From a6383ddcf48aac166b64e6008cbceb4476975279 Mon Sep 17 00:00:00 2001 From: "Anthony G. Basile" Date: Sat, 22 Apr 2017 12:08:04 -0400 Subject: grsecurity-3.1-4.9.24-201704220732 --- 4.9.23/0000_README | 56 - 4.9.23/1022_linux-4.9.23.patch | 1236 - .../4420_grsecurity-3.1-4.9.23-201704181901.patch | 225944 ----------------- 4.9.23/4425_grsec_remove_EI_PAX.patch | 19 - 4.9.23/4426_default_XATTR_PAX_FLAGS.patch | 36 - 4.9.23/4427_force_XATTR_PAX_tmpfs.patch | 48 - 4.9.23/4430_grsec-remove-localversion-grsec.patch | 9 - 4.9.23/4435_grsec-mute-warnings.patch | 43 - 4.9.23/4440_grsec-remove-protected-paths.patch | 20 - 4.9.23/4450_grsec-kconfig-default-gids.patch | 111 - 4.9.23/4465_selinux-avc_audit-log-curr_ip.patch | 73 - 4.9.23/4470_disable-compat_vdso.patch | 58 - 4.9.23/4475_emutramp_default_on.patch | 34 - 4.9.24/0000_README | 56 + 4.9.24/1023_linux-4.9.24.patch | 3261 + .../4420_grsecurity-3.1-4.9.24-201704220732.patch | 225996 ++++++++++++++++++ 4.9.24/4425_grsec_remove_EI_PAX.patch | 19 + 4.9.24/4426_default_XATTR_PAX_FLAGS.patch | 36 + 4.9.24/4427_force_XATTR_PAX_tmpfs.patch | 48 + 4.9.24/4430_grsec-remove-localversion-grsec.patch | 9 + 4.9.24/4435_grsec-mute-warnings.patch | 43 + 4.9.24/4440_grsec-remove-protected-paths.patch | 20 + 4.9.24/4450_grsec-kconfig-default-gids.patch | 111 + 4.9.24/4465_selinux-avc_audit-log-curr_ip.patch | 73 + 4.9.24/4470_disable-compat_vdso.patch | 58 + 4.9.24/4475_emutramp_default_on.patch | 34 + 26 files changed, 229764 insertions(+), 227687 deletions(-) delete mode 100644 4.9.23/0000_README delete mode 100644 4.9.23/1022_linux-4.9.23.patch delete mode 100644 4.9.23/4420_grsecurity-3.1-4.9.23-201704181901.patch delete mode 100644 4.9.23/4425_grsec_remove_EI_PAX.patch delete mode 100644 4.9.23/4426_default_XATTR_PAX_FLAGS.patch delete mode 100644 4.9.23/4427_force_XATTR_PAX_tmpfs.patch delete mode 100644 4.9.23/4430_grsec-remove-localversion-grsec.patch delete mode 100644 4.9.23/4435_grsec-mute-warnings.patch delete mode 100644 4.9.23/4440_grsec-remove-protected-paths.patch delete mode 100644 4.9.23/4450_grsec-kconfig-default-gids.patch delete mode 100644 4.9.23/4465_selinux-avc_audit-log-curr_ip.patch delete mode 100644 4.9.23/4470_disable-compat_vdso.patch delete mode 100644 4.9.23/4475_emutramp_default_on.patch create mode 100644 4.9.24/0000_README create mode 100644 4.9.24/1023_linux-4.9.24.patch create mode 100644 4.9.24/4420_grsecurity-3.1-4.9.24-201704220732.patch create mode 100644 4.9.24/4425_grsec_remove_EI_PAX.patch create mode 100644 4.9.24/4426_default_XATTR_PAX_FLAGS.patch create mode 100644 4.9.24/4427_force_XATTR_PAX_tmpfs.patch create mode 100644 4.9.24/4430_grsec-remove-localversion-grsec.patch create mode 100644 4.9.24/4435_grsec-mute-warnings.patch create mode 100644 4.9.24/4440_grsec-remove-protected-paths.patch create mode 100644 4.9.24/4450_grsec-kconfig-default-gids.patch create mode 100644 4.9.24/4465_selinux-avc_audit-log-curr_ip.patch create mode 100644 4.9.24/4470_disable-compat_vdso.patch create mode 100644 4.9.24/4475_emutramp_default_on.patch diff --git a/4.9.23/0000_README b/4.9.23/0000_README deleted file mode 100644 index 7325e48..0000000 --- a/4.9.23/0000_README +++ /dev/null @@ -1,56 +0,0 @@ -README ------------------------------------------------------------------------------ -Individual Patch Descriptions: ------------------------------------------------------------------------------ -Patch: 1022_linux-4.9.23.patch -From: http://www.kernel.org -Desc: Linux 4.9.23 - -Patch: 4420_grsecurity-3.1-4.9.23-201704181901.patch -From: http://www.grsecurity.net -Desc: hardened-sources base patch from upstream grsecurity - -Patch: 4425_grsec_remove_EI_PAX.patch -From: Anthony G. Basile -Desc: Remove EI_PAX option and force off - -Patch: 4426_default_XATTR_PAX_FLAGS.patch -From: Anthony G. Basile -Desc: Defalut PT_PAX_FLAGS off and XATTR_PAX_FLAGS on - -Patch: 4427_force_XATTR_PAX_tmpfs.patch -From: Anthony G. Basile -Desc: Force XATTR_PAX on tmpfs - -Patch: 4430_grsec-remove-localversion-grsec.patch -From: Kerin Millar -Desc: Removes grsecurity's localversion-grsec file - -Patch: 4435_grsec-mute-warnings.patch -From: Alexander Gabert - Gordon Malm -Desc: Removes verbose compile warning settings from grsecurity, restores - mainline Linux kernel behavior - -Patch: 4440_grsec-remove-protected-paths.patch -From: Anthony G. Basile -Desc: Removes chmod statements from grsecurity/Makefile - -Patch: 4450_grsec-kconfig-default-gids.patch -From: Kerin Millar -Desc: Sets sane(r) default GIDs on various grsecurity group-dependent - features - -Patch: 4465_selinux-avc_audit-log-curr_ip.patch -From: Gordon Malm - Anthony G. Basile -Desc: Configurable option to add src IP address to SELinux log messages - -Patch: 4470_disable-compat_vdso.patch -From: Gordon Malm - Kerin Millar -Desc: Disables VDSO_COMPAT operation completely - -Patch: 4475_emutramp_default_on.patch -From: Anthony G. Basile -Desc: Set PAX_EMUTRAMP default on for libffi, bugs #329499 and #457194 diff --git a/4.9.23/1022_linux-4.9.23.patch b/4.9.23/1022_linux-4.9.23.patch deleted file mode 100644 index c547029..0000000 --- a/4.9.23/1022_linux-4.9.23.patch +++ /dev/null @@ -1,1236 +0,0 @@ -diff --git a/Makefile b/Makefile -index 4bf4648..0de7597 100644 ---- a/Makefile -+++ b/Makefile -@@ -1,6 +1,6 @@ - VERSION = 4 - PATCHLEVEL = 9 --SUBLEVEL = 22 -+SUBLEVEL = 23 - EXTRAVERSION = - NAME = Roaring Lionus - -diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig -index 9a6e11b6..5a4f2eb 100644 ---- a/arch/mips/Kconfig -+++ b/arch/mips/Kconfig -@@ -9,6 +9,7 @@ config MIPS - select HAVE_CONTEXT_TRACKING - select HAVE_GENERIC_DMA_COHERENT - select HAVE_IDE -+ select HAVE_IRQ_EXIT_ON_IRQ_STACK - select HAVE_OPROFILE - select HAVE_PERF_EVENTS - select PERF_USE_VMALLOC -diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h -index 6bf10e7..956db6e 100644 ---- a/arch/mips/include/asm/irq.h -+++ b/arch/mips/include/asm/irq.h -@@ -17,6 +17,18 @@ - - #include - -+#define IRQ_STACK_SIZE THREAD_SIZE -+ -+extern void *irq_stack[NR_CPUS]; -+ -+static inline bool on_irq_stack(int cpu, unsigned long sp) -+{ -+ unsigned long low = (unsigned long)irq_stack[cpu]; -+ unsigned long high = low + IRQ_STACK_SIZE; -+ -+ return (low <= sp && sp <= high); -+} -+ - #ifdef CONFIG_I8259 - static inline int irq_canonicalize(int irq) - { -diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h -index eebf395..2f182bd 100644 ---- a/arch/mips/include/asm/stackframe.h -+++ b/arch/mips/include/asm/stackframe.h -@@ -216,12 +216,19 @@ - LONG_S $25, PT_R25(sp) - LONG_S $28, PT_R28(sp) - LONG_S $31, PT_R31(sp) -+ -+ /* Set thread_info if we're coming from user mode */ -+ mfc0 k0, CP0_STATUS -+ sll k0, 3 /* extract cu0 bit */ -+ bltz k0, 9f -+ - ori $28, sp, _THREAD_MASK - xori $28, _THREAD_MASK - #ifdef CONFIG_CPU_CAVIUM_OCTEON - .set mips64 - pref 0, 0($28) /* Prefetch the current pointer */ - #endif -+9: - .set pop - .endm - -diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c -index fae2f94..4be2763 100644 ---- a/arch/mips/kernel/asm-offsets.c -+++ b/arch/mips/kernel/asm-offsets.c -@@ -102,6 +102,7 @@ void output_thread_info_defines(void) - OFFSET(TI_REGS, thread_info, regs); - DEFINE(_THREAD_SIZE, THREAD_SIZE); - DEFINE(_THREAD_MASK, THREAD_MASK); -+ DEFINE(_IRQ_STACK_SIZE, IRQ_STACK_SIZE); - BLANK(); - } - -diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S -index 52a4fdf..2ac6c26 100644 ---- a/arch/mips/kernel/genex.S -+++ b/arch/mips/kernel/genex.S -@@ -187,9 +187,44 @@ NESTED(handle_int, PT_SIZE, sp) - - LONG_L s0, TI_REGS($28) - LONG_S sp, TI_REGS($28) -- PTR_LA ra, ret_from_irq -- PTR_LA v0, plat_irq_dispatch -- jr v0 -+ -+ /* -+ * SAVE_ALL ensures we are using a valid kernel stack for the thread. -+ * Check if we are already using the IRQ stack. -+ */ -+ move s1, sp # Preserve the sp -+ -+ /* Get IRQ stack for this CPU */ -+ ASM_CPUID_MFC0 k0, ASM_SMP_CPUID_REG -+#if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32) -+ lui k1, %hi(irq_stack) -+#else -+ lui k1, %highest(irq_stack) -+ daddiu k1, %higher(irq_stack) -+ dsll k1, 16 -+ daddiu k1, %hi(irq_stack) -+ dsll k1, 16 -+#endif -+ LONG_SRL k0, SMP_CPUID_PTRSHIFT -+ LONG_ADDU k1, k0 -+ LONG_L t0, %lo(irq_stack)(k1) -+ -+ # Check if already on IRQ stack -+ PTR_LI t1, ~(_THREAD_SIZE-1) -+ and t1, t1, sp -+ beq t0, t1, 2f -+ -+ /* Switch to IRQ stack */ -+ li t1, _IRQ_STACK_SIZE -+ PTR_ADD sp, t0, t1 -+ -+2: -+ jal plat_irq_dispatch -+ -+ /* Restore sp */ -+ move sp, s1 -+ -+ j ret_from_irq - #ifdef CONFIG_CPU_MICROMIPS - nop - #endif -@@ -262,8 +297,44 @@ NESTED(except_vec_vi_handler, 0, sp) - - LONG_L s0, TI_REGS($28) - LONG_S sp, TI_REGS($28) -- PTR_LA ra, ret_from_irq -- jr v0 -+ -+ /* -+ * SAVE_ALL ensures we are using a valid kernel stack for the thread. -+ * Check if we are already using the IRQ stack. -+ */ -+ move s1, sp # Preserve the sp -+ -+ /* Get IRQ stack for this CPU */ -+ ASM_CPUID_MFC0 k0, ASM_SMP_CPUID_REG -+#if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32) -+ lui k1, %hi(irq_stack) -+#else -+ lui k1, %highest(irq_stack) -+ daddiu k1, %higher(irq_stack) -+ dsll k1, 16 -+ daddiu k1, %hi(irq_stack) -+ dsll k1, 16 -+#endif -+ LONG_SRL k0, SMP_CPUID_PTRSHIFT -+ LONG_ADDU k1, k0 -+ LONG_L t0, %lo(irq_stack)(k1) -+ -+ # Check if already on IRQ stack -+ PTR_LI t1, ~(_THREAD_SIZE-1) -+ and t1, t1, sp -+ beq t0, t1, 2f -+ -+ /* Switch to IRQ stack */ -+ li t1, _IRQ_STACK_SIZE -+ PTR_ADD sp, t0, t1 -+ -+2: -+ jalr v0 -+ -+ /* Restore sp */ -+ move sp, s1 -+ -+ j ret_from_irq - END(except_vec_vi_handler) - - /* -diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c -index f25f7ea..2b0a371 100644 ---- a/arch/mips/kernel/irq.c -+++ b/arch/mips/kernel/irq.c -@@ -25,6 +25,8 @@ - #include - #include - -+void *irq_stack[NR_CPUS]; -+ - /* - * 'what should we do if we get a hw irq event on an illegal vector'. - * each architecture has to answer this themselves. -@@ -58,6 +60,15 @@ void __init init_IRQ(void) - clear_c0_status(ST0_IM); - - arch_init_irq(); -+ -+ for_each_possible_cpu(i) { -+ int irq_pages = IRQ_STACK_SIZE / PAGE_SIZE; -+ void *s = (void *)__get_free_pages(GFP_KERNEL, irq_pages); -+ -+ irq_stack[i] = s; -+ pr_debug("CPU%d IRQ stack at 0x%p - 0x%p\n", i, -+ irq_stack[i], irq_stack[i] + IRQ_STACK_SIZE); -+ } - } - - #ifdef CONFIG_DEBUG_STACKOVERFLOW -diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c -index 1652f36..fbbf5fc 100644 ---- a/arch/mips/kernel/process.c -+++ b/arch/mips/kernel/process.c -@@ -33,6 +33,7 @@ - #include - #include - #include -+#include - #include - #include - #include -@@ -556,7 +557,19 @@ EXPORT_SYMBOL(unwind_stack_by_address); - unsigned long unwind_stack(struct task_struct *task, unsigned long *sp, - unsigned long pc, unsigned long *ra) - { -- unsigned long stack_page = (unsigned long)task_stack_page(task); -+ unsigned long stack_page = 0; -+ int cpu; -+ -+ for_each_possible_cpu(cpu) { -+ if (on_irq_stack(cpu, *sp)) { -+ stack_page = (unsigned long)irq_stack[cpu]; -+ break; -+ } -+ } -+ -+ if (!stack_page) -+ stack_page = (unsigned long)task_stack_page(task); -+ - return unwind_stack_by_address(stack_page, sp, pc, ra); - } - #endif -diff --git a/block/blk-mq.c b/block/blk-mq.c -index ee54ad0..7b597ec 100644 ---- a/block/blk-mq.c -+++ b/block/blk-mq.c -@@ -1474,7 +1474,7 @@ static struct blk_mq_tags *blk_mq_init_rq_map(struct blk_mq_tag_set *set, - INIT_LIST_HEAD(&tags->page_list); - - tags->rqs = kzalloc_node(set->queue_depth * sizeof(struct request *), -- GFP_KERNEL | __GFP_NOWARN | __GFP_NORETRY, -+ GFP_NOIO | __GFP_NOWARN | __GFP_NORETRY, - set->numa_node); - if (!tags->rqs) { - blk_mq_free_tags(tags); -@@ -1500,7 +1500,7 @@ static struct blk_mq_tags *blk_mq_init_rq_map(struct blk_mq_tag_set *set, - - do { - page = alloc_pages_node(set->numa_node, -- GFP_KERNEL | __GFP_NOWARN | __GFP_NORETRY | __GFP_ZERO, -+ GFP_NOIO | __GFP_NOWARN | __GFP_NORETRY | __GFP_ZERO, - this_order); - if (page) - break; -@@ -1521,7 +1521,7 @@ static struct blk_mq_tags *blk_mq_init_rq_map(struct blk_mq_tag_set *set, - * Allow kmemleak to scan these pages as they contain pointers - * to additional allocations like via ops->init_request(). - */ -- kmemleak_alloc(p, order_to_size(this_order), 1, GFP_KERNEL); -+ kmemleak_alloc(p, order_to_size(this_order), 1, GFP_NOIO); - entries_per_page = order_to_size(this_order) / rq_size; - to_do = min(entries_per_page, set->queue_depth - i); - left -= to_do * rq_size; -diff --git a/drivers/crypto/caam/caampkc.c b/drivers/crypto/caam/caampkc.c -index 851015e..354a16a 100644 ---- a/drivers/crypto/caam/caampkc.c -+++ b/drivers/crypto/caam/caampkc.c -@@ -506,7 +506,7 @@ static int caam_rsa_init_tfm(struct crypto_akcipher *tfm) - ctx->dev = caam_jr_alloc(); - - if (IS_ERR(ctx->dev)) { -- dev_err(ctx->dev, "Job Ring Device allocation for transform failed\n"); -+ pr_err("Job Ring Device allocation for transform failed\n"); - return PTR_ERR(ctx->dev); - } - -diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c -index e483b78..98468b9 100644 ---- a/drivers/crypto/caam/ctrl.c -+++ b/drivers/crypto/caam/ctrl.c -@@ -282,7 +282,8 @@ static int deinstantiate_rng(struct device *ctrldev, int state_handle_mask) - /* Try to run it through DECO0 */ - ret = run_descriptor_deco0(ctrldev, desc, &status); - -- if (ret || status) { -+ if (ret || -+ (status && status != JRSTA_SSRC_JUMP_HALT_CC)) { - dev_err(ctrldev, - "Failed to deinstantiate RNG4 SH%d\n", - sh_idx); -diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c -index cf04d24..6b54e02 100644 ---- a/drivers/dma-buf/dma-buf.c -+++ b/drivers/dma-buf/dma-buf.c -@@ -303,6 +303,9 @@ static const struct file_operations dma_buf_fops = { - .llseek = dma_buf_llseek, - .poll = dma_buf_poll, - .unlocked_ioctl = dma_buf_ioctl, -+#ifdef CONFIG_COMPAT -+ .compat_ioctl = dma_buf_ioctl, -+#endif - }; - - /* -diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c -index 670beeb..923150d 100644 ---- a/drivers/gpu/drm/i915/i915_drv.c -+++ b/drivers/gpu/drm/i915/i915_drv.c -@@ -240,6 +240,7 @@ static int i915_getparam(struct drm_device *dev, void *data, - case I915_PARAM_IRQ_ACTIVE: - case I915_PARAM_ALLOW_BATCHBUFFER: - case I915_PARAM_LAST_DISPATCH: -+ case I915_PARAM_HAS_EXEC_CONSTANTS: - /* Reject all old ums/dri params. */ - return -ENODEV; - case I915_PARAM_CHIPSET_ID: -@@ -266,9 +267,6 @@ static int i915_getparam(struct drm_device *dev, void *data, - case I915_PARAM_HAS_BSD2: - value = intel_engine_initialized(&dev_priv->engine[VCS2]); - break; -- case I915_PARAM_HAS_EXEC_CONSTANTS: -- value = INTEL_GEN(dev_priv) >= 4; -- break; - case I915_PARAM_HAS_LLC: - value = HAS_LLC(dev_priv); - break; -diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h -index da832d3..e0d7245 100644 ---- a/drivers/gpu/drm/i915/i915_drv.h -+++ b/drivers/gpu/drm/i915/i915_drv.h -@@ -1225,7 +1225,7 @@ struct intel_gen6_power_mgmt { - unsigned boosts; - - /* manual wa residency calculations */ -- struct intel_rps_ei up_ei, down_ei; -+ struct intel_rps_ei ei; - - /* - * Protects RPS/RC6 register access and PCU communication. -@@ -1751,8 +1751,6 @@ struct drm_i915_private { - - const struct intel_device_info info; - -- int relative_constants_mode; -- - void __iomem *regs; - - struct intel_uncore uncore; -diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c -index 00eb481..7b203092 100644 ---- a/drivers/gpu/drm/i915/i915_gem.c -+++ b/drivers/gpu/drm/i915/i915_gem.c -@@ -4587,8 +4587,6 @@ i915_gem_load_init(struct drm_device *dev) - init_waitqueue_head(&dev_priv->gpu_error.wait_queue); - init_waitqueue_head(&dev_priv->gpu_error.reset_queue); - -- dev_priv->relative_constants_mode = I915_EXEC_CONSTANTS_REL_GENERAL; -- - init_waitqueue_head(&dev_priv->pending_flip_queue); - - dev_priv->mm.interruptible = true; -diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c -index 0c400f8..2117f17 100644 ---- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c -+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c -@@ -1454,10 +1454,7 @@ execbuf_submit(struct i915_execbuffer_params *params, - struct drm_i915_gem_execbuffer2 *args, - struct list_head *vmas) - { -- struct drm_i915_private *dev_priv = params->request->i915; - u64 exec_start, exec_len; -- int instp_mode; -- u32 instp_mask; - int ret; - - ret = i915_gem_execbuffer_move_to_gpu(params->request, vmas); -@@ -1468,56 +1465,11 @@ execbuf_submit(struct i915_execbuffer_params *params, - if (ret) - return ret; - -- instp_mode = args->flags & I915_EXEC_CONSTANTS_MASK; -- instp_mask = I915_EXEC_CONSTANTS_MASK; -- switch (instp_mode) { -- case I915_EXEC_CONSTANTS_REL_GENERAL: -- case I915_EXEC_CONSTANTS_ABSOLUTE: -- case I915_EXEC_CONSTANTS_REL_SURFACE: -- if (instp_mode != 0 && params->engine->id != RCS) { -- DRM_DEBUG("non-0 rel constants mode on non-RCS\n"); -- return -EINVAL; -- } -- -- if (instp_mode != dev_priv->relative_constants_mode) { -- if (INTEL_INFO(dev_priv)->gen < 4) { -- DRM_DEBUG("no rel constants on pre-gen4\n"); -- return -EINVAL; -- } -- -- if (INTEL_INFO(dev_priv)->gen > 5 && -- instp_mode == I915_EXEC_CONSTANTS_REL_SURFACE) { -- DRM_DEBUG("rel surface constants mode invalid on gen5+\n"); -- return -EINVAL; -- } -- -- /* The HW changed the meaning on this bit on gen6 */ -- if (INTEL_INFO(dev_priv)->gen >= 6) -- instp_mask &= ~I915_EXEC_CONSTANTS_REL_SURFACE; -- } -- break; -- default: -- DRM_DEBUG("execbuf with unknown constants: %d\n", instp_mode); -+ if (args->flags & I915_EXEC_CONSTANTS_MASK) { -+ DRM_DEBUG("I915_EXEC_CONSTANTS_* unsupported\n"); - return -EINVAL; - } - -- if (params->engine->id == RCS && -- instp_mode != dev_priv->relative_constants_mode) { -- struct intel_ring *ring = params->request->ring; -- -- ret = intel_ring_begin(params->request, 4); -- if (ret) -- return ret; -- -- intel_ring_emit(ring, MI_NOOP); -- intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1)); -- intel_ring_emit_reg(ring, INSTPM); -- intel_ring_emit(ring, instp_mask << 16 | instp_mode); -- intel_ring_advance(ring); -- -- dev_priv->relative_constants_mode = instp_mode; -- } -- - if (args->flags & I915_EXEC_GEN7_SOL_RESET) { - ret = i915_reset_gen7_sol_offsets(params->request); - if (ret) -diff --git a/drivers/gpu/drm/i915/i915_gem_shrinker.c b/drivers/gpu/drm/i915/i915_gem_shrinker.c -index 1c237d0..755d788 100644 ---- a/drivers/gpu/drm/i915/i915_gem_shrinker.c -+++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c -@@ -233,7 +233,7 @@ unsigned long i915_gem_shrink_all(struct drm_i915_private *dev_priv) - I915_SHRINK_BOUND | - I915_SHRINK_UNBOUND | - I915_SHRINK_ACTIVE); -- rcu_barrier(); /* wait until our RCU delayed slab frees are completed */ -+ synchronize_rcu(); /* wait for our earlier RCU delayed slab frees */ - - return freed; - } -diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c -index 3fc286c..02908e3 100644 ---- a/drivers/gpu/drm/i915/i915_irq.c -+++ b/drivers/gpu/drm/i915/i915_irq.c -@@ -990,68 +990,51 @@ static void vlv_c0_read(struct drm_i915_private *dev_priv, - ei->media_c0 = I915_READ(VLV_MEDIA_C0_COUNT); - } - --static bool vlv_c0_above(struct drm_i915_private *dev_priv, -- const struct intel_rps_ei *old, -- const struct intel_rps_ei *now, -- int threshold) --{ -- u64 time, c0; -- unsigned int mul = 100; -- -- if (old->cz_clock == 0) -- return false; -- -- if (I915_READ(VLV_COUNTER_CONTROL) & VLV_COUNT_RANGE_HIGH) -- mul <<= 8; -- -- time = now->cz_clock - old->cz_clock; -- time *= threshold * dev_priv->czclk_freq; -- -- /* Workload can be split between render + media, e.g. SwapBuffers -- * being blitted in X after being rendered in mesa. To account for -- * this we need to combine both engines into our activity counter. -- */ -- c0 = now->render_c0 - old->render_c0; -- c0 += now->media_c0 - old->media_c0; -- c0 *= mul * VLV_CZ_CLOCK_TO_MILLI_SEC; -- -- return c0 >= time; --} -- - void gen6_rps_reset_ei(struct drm_i915_private *dev_priv) - { -- vlv_c0_read(dev_priv, &dev_priv->rps.down_ei); -- dev_priv->rps.up_ei = dev_priv->rps.down_ei; -+ memset(&dev_priv->rps.ei, 0, sizeof(dev_priv->rps.ei)); - } - - static u32 vlv_wa_c0_ei(struct drm_i915_private *dev_priv, u32 pm_iir) - { -+ const struct intel_rps_ei *prev = &dev_priv->rps.ei; - struct intel_rps_ei now; - u32 events = 0; - -- if ((pm_iir & (GEN6_PM_RP_DOWN_EI_EXPIRED | GEN6_PM_RP_UP_EI_EXPIRED)) == 0) -+ if ((pm_iir & GEN6_PM_RP_UP_EI_EXPIRED) == 0) - return 0; - - vlv_c0_read(dev_priv, &now); - if (now.cz_clock == 0) - return 0; - -- if (pm_iir & GEN6_PM_RP_DOWN_EI_EXPIRED) { -- if (!vlv_c0_above(dev_priv, -- &dev_priv->rps.down_ei, &now, -- dev_priv->rps.down_threshold)) -- events |= GEN6_PM_RP_DOWN_THRESHOLD; -- dev_priv->rps.down_ei = now; -- } -+ if (prev->cz_clock) { -+ u64 time, c0; -+ unsigned int mul; -+ -+ mul = VLV_CZ_CLOCK_TO_MILLI_SEC * 100; /* scale to threshold% */ -+ if (I915_READ(VLV_COUNTER_CONTROL) & VLV_COUNT_RANGE_HIGH) -+ mul <<= 8; - -- if (pm_iir & GEN6_PM_RP_UP_EI_EXPIRED) { -- if (vlv_c0_above(dev_priv, -- &dev_priv->rps.up_ei, &now, -- dev_priv->rps.up_threshold)) -- events |= GEN6_PM_RP_UP_THRESHOLD; -- dev_priv->rps.up_ei = now; -+ time = now.cz_clock - prev->cz_clock; -+ time *= dev_priv->czclk_freq; -+ -+ /* Workload can be split between render + media, -+ * e.g. SwapBuffers being blitted in X after being rendered in -+ * mesa. To account for this we need to combine both engines -+ * into our activity counter. -+ */ -+ c0 = now.render_c0 - prev->render_c0; -+ c0 += now.media_c0 - prev->media_c0; -+ c0 *= mul; -+ -+ if (c0 > time * dev_priv->rps.up_threshold) -+ events = GEN6_PM_RP_UP_THRESHOLD; -+ else if (c0 < time * dev_priv->rps.down_threshold) -+ events = GEN6_PM_RP_DOWN_THRESHOLD; - } - -+ dev_priv->rps.ei = now; - return events; - } - -@@ -4490,7 +4473,7 @@ void intel_irq_init(struct drm_i915_private *dev_priv) - /* Let's track the enabled rps events */ - if (IS_VALLEYVIEW(dev_priv)) - /* WaGsvRC0ResidencyMethod:vlv */ -- dev_priv->pm_rps_events = GEN6_PM_RP_DOWN_EI_EXPIRED | GEN6_PM_RP_UP_EI_EXPIRED; -+ dev_priv->pm_rps_events = GEN6_PM_RP_UP_EI_EXPIRED; - else - dev_priv->pm_rps_events = GEN6_PM_RPS_EVENTS; - -@@ -4531,6 +4514,16 @@ void intel_irq_init(struct drm_i915_private *dev_priv) - if (!IS_GEN2(dev_priv)) - dev->vblank_disable_immediate = true; - -+ /* Most platforms treat the display irq block as an always-on -+ * power domain. vlv/chv can disable it at runtime and need -+ * special care to avoid writing any of the display block registers -+ * outside of the power domain. We defer setting up the display irqs -+ * in this case to the runtime pm. -+ */ -+ dev_priv->display_irqs_enabled = true; -+ if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) -+ dev_priv->display_irqs_enabled = false; -+ - dev->driver->get_vblank_timestamp = i915_get_vblank_timestamp; - dev->driver->get_scanout_position = i915_get_crtc_scanoutpos; - -diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c -index b9be8a6..5dc6082 100644 ---- a/drivers/gpu/drm/i915/intel_display.c -+++ b/drivers/gpu/drm/i915/intel_display.c -@@ -3696,10 +3696,6 @@ static void intel_update_pipe_config(struct intel_crtc *crtc, - /* drm_atomic_helper_update_legacy_modeset_state might not be called. */ - crtc->base.mode = crtc->base.state->mode; - -- DRM_DEBUG_KMS("Updating pipe size %ix%i -> %ix%i\n", -- old_crtc_state->pipe_src_w, old_crtc_state->pipe_src_h, -- pipe_config->pipe_src_w, pipe_config->pipe_src_h); -- - /* - * Update pipe size and adjust fitter if needed: the reason for this is - * that in compute_mode_changes we check the native mode (not the pfit -@@ -4832,23 +4828,17 @@ static void skylake_pfit_enable(struct intel_crtc *crtc) - struct intel_crtc_scaler_state *scaler_state = - &crtc->config->scaler_state; - -- DRM_DEBUG_KMS("for crtc_state = %p\n", crtc->config); -- - if (crtc->config->pch_pfit.enabled) { - int id; - -- if (WARN_ON(crtc->config->scaler_state.scaler_id < 0)) { -- DRM_ERROR("Requesting pfit without getting a scaler first\n"); -+ if (WARN_ON(crtc->config->scaler_state.scaler_id < 0)) - return; -- } - - id = scaler_state->scaler_id; - I915_WRITE(SKL_PS_CTRL(pipe, id), PS_SCALER_EN | - PS_FILTER_MEDIUM | scaler_state->scalers[id].mode); - I915_WRITE(SKL_PS_WIN_POS(pipe, id), crtc->config->pch_pfit.pos); - I915_WRITE(SKL_PS_WIN_SZ(pipe, id), crtc->config->pch_pfit.size); -- -- DRM_DEBUG_KMS("for crtc_state = %p scaler_id = %d\n", crtc->config, id); - } - } - -diff --git a/drivers/gpu/drm/i915/intel_hotplug.c b/drivers/gpu/drm/i915/intel_hotplug.c -index 334d47b..db3afdf 100644 ---- a/drivers/gpu/drm/i915/intel_hotplug.c -+++ b/drivers/gpu/drm/i915/intel_hotplug.c -@@ -219,7 +219,7 @@ static void intel_hpd_irq_storm_reenable_work(struct work_struct *work) - } - } - } -- if (dev_priv->display.hpd_irq_setup) -+ if (dev_priv->display_irqs_enabled && dev_priv->display.hpd_irq_setup) - dev_priv->display.hpd_irq_setup(dev_priv); - spin_unlock_irq(&dev_priv->irq_lock); - -@@ -425,7 +425,7 @@ void intel_hpd_irq_handler(struct drm_i915_private *dev_priv, - } - } - -- if (storm_detected) -+ if (storm_detected && dev_priv->display_irqs_enabled) - dev_priv->display.hpd_irq_setup(dev_priv); - spin_unlock(&dev_priv->irq_lock); - -@@ -471,10 +471,12 @@ void intel_hpd_init(struct drm_i915_private *dev_priv) - * Interrupt setup is already guaranteed to be single-threaded, this is - * just to make the assert_spin_locked checks happy. - */ -- spin_lock_irq(&dev_priv->irq_lock); -- if (dev_priv->display.hpd_irq_setup) -- dev_priv->display.hpd_irq_setup(dev_priv); -- spin_unlock_irq(&dev_priv->irq_lock); -+ if (dev_priv->display_irqs_enabled && dev_priv->display.hpd_irq_setup) { -+ spin_lock_irq(&dev_priv->irq_lock); -+ if (dev_priv->display_irqs_enabled) -+ dev_priv->display.hpd_irq_setup(dev_priv); -+ spin_unlock_irq(&dev_priv->irq_lock); -+ } - } - - static void i915_hpd_poll_init_work(struct work_struct *work) -diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c -index 4147e51..67db157 100644 ---- a/drivers/gpu/drm/i915/intel_lrc.c -+++ b/drivers/gpu/drm/i915/intel_lrc.c -@@ -2152,42 +2152,30 @@ static int execlists_context_deferred_alloc(struct i915_gem_context *ctx, - - void intel_lr_context_resume(struct drm_i915_private *dev_priv) - { -+ struct i915_gem_context *ctx = dev_priv->kernel_context; - struct intel_engine_cs *engine; -- struct i915_gem_context *ctx; -- -- /* Because we emit WA_TAIL_DWORDS there may be a disparity -- * between our bookkeeping in ce->ring->head and ce->ring->tail and -- * that stored in context. As we only write new commands from -- * ce->ring->tail onwards, everything before that is junk. If the GPU -- * starts reading from its RING_HEAD from the context, it may try to -- * execute that junk and die. -- * -- * So to avoid that we reset the context images upon resume. For -- * simplicity, we just zero everything out. -- */ -- list_for_each_entry(ctx, &dev_priv->context_list, link) { -- for_each_engine(engine, dev_priv) { -- struct intel_context *ce = &ctx->engine[engine->id]; -- u32 *reg; - -- if (!ce->state) -- continue; -+ for_each_engine(engine, dev_priv) { -+ struct intel_context *ce = &ctx->engine[engine->id]; -+ void *vaddr; -+ uint32_t *reg_state; - -- reg = i915_gem_object_pin_map(ce->state->obj, -- I915_MAP_WB); -- if (WARN_ON(IS_ERR(reg))) -- continue; -+ if (!ce->state) -+ continue; - -- reg += LRC_STATE_PN * PAGE_SIZE / sizeof(*reg); -- reg[CTX_RING_HEAD+1] = 0; -- reg[CTX_RING_TAIL+1] = 0; -+ vaddr = i915_gem_object_pin_map(ce->state->obj, I915_MAP_WB); -+ if (WARN_ON(IS_ERR(vaddr))) -+ continue; - -- ce->state->obj->dirty = true; -- i915_gem_object_unpin_map(ce->state->obj); -+ reg_state = vaddr + LRC_STATE_PN * PAGE_SIZE; - -- ce->ring->head = ce->ring->tail = 0; -- ce->ring->last_retired_head = -1; -- intel_ring_update_space(ce->ring); -- } -+ reg_state[CTX_RING_HEAD+1] = 0; -+ reg_state[CTX_RING_TAIL+1] = 0; -+ -+ ce->state->obj->dirty = true; -+ i915_gem_object_unpin_map(ce->state->obj); -+ -+ ce->ring->head = 0; -+ ce->ring->tail = 0; - } - } -diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c -index e559a45..2c6d59d 100644 ---- a/drivers/gpu/drm/i915/intel_pm.c -+++ b/drivers/gpu/drm/i915/intel_pm.c -@@ -4903,6 +4903,12 @@ static void gen6_set_rps_thresholds(struct drm_i915_private *dev_priv, u8 val) - break; - } - -+ /* When byt can survive without system hang with dynamic -+ * sw freq adjustments, this restriction can be lifted. -+ */ -+ if (IS_VALLEYVIEW(dev_priv)) -+ goto skip_hw_write; -+ - I915_WRITE(GEN6_RP_UP_EI, - GT_INTERVAL_FROM_US(dev_priv, ei_up)); - I915_WRITE(GEN6_RP_UP_THRESHOLD, -@@ -4923,6 +4929,7 @@ static void gen6_set_rps_thresholds(struct drm_i915_private *dev_priv, u8 val) - GEN6_RP_UP_BUSY_AVG | - GEN6_RP_DOWN_IDLE_AVG); - -+skip_hw_write: - dev_priv->rps.power = new_power; - dev_priv->rps.up_threshold = threshold_up; - dev_priv->rps.down_threshold = threshold_down; -@@ -4933,8 +4940,9 @@ static u32 gen6_rps_pm_mask(struct drm_i915_private *dev_priv, u8 val) - { - u32 mask = 0; - -+ /* We use UP_EI_EXPIRED interupts for both up/down in manual mode */ - if (val > dev_priv->rps.min_freq_softlimit) -- mask |= GEN6_PM_RP_DOWN_EI_EXPIRED | GEN6_PM_RP_DOWN_THRESHOLD | GEN6_PM_RP_DOWN_TIMEOUT; -+ mask |= GEN6_PM_RP_UP_EI_EXPIRED | GEN6_PM_RP_DOWN_THRESHOLD | GEN6_PM_RP_DOWN_TIMEOUT; - if (val < dev_priv->rps.max_freq_softlimit) - mask |= GEN6_PM_RP_UP_EI_EXPIRED | GEN6_PM_RP_UP_THRESHOLD; - -@@ -5034,7 +5042,7 @@ void gen6_rps_busy(struct drm_i915_private *dev_priv) - { - mutex_lock(&dev_priv->rps.hw_lock); - if (dev_priv->rps.enabled) { -- if (dev_priv->pm_rps_events & (GEN6_PM_RP_DOWN_EI_EXPIRED | GEN6_PM_RP_UP_EI_EXPIRED)) -+ if (dev_priv->pm_rps_events & GEN6_PM_RP_UP_EI_EXPIRED) - gen6_rps_reset_ei(dev_priv); - I915_WRITE(GEN6_PMINTRMSK, - gen6_rps_pm_mask(dev_priv, dev_priv->rps.cur_freq)); -@@ -7960,10 +7968,10 @@ static bool skl_pcode_try_request(struct drm_i915_private *dev_priv, u32 mbox, - * @timeout_base_ms: timeout for polling with preemption enabled - * - * Keep resending the @request to @mbox until PCODE acknowledges it, PCODE -- * reports an error or an overall timeout of @timeout_base_ms+10 ms expires. -+ * reports an error or an overall timeout of @timeout_base_ms+50 ms expires. - * The request is acknowledged once the PCODE reply dword equals @reply after - * applying @reply_mask. Polling is first attempted with preemption enabled -- * for @timeout_base_ms and if this times out for another 10 ms with -+ * for @timeout_base_ms and if this times out for another 50 ms with - * preemption disabled. - * - * Returns 0 on success, %-ETIMEDOUT in case of a timeout, <0 in case of some -@@ -7999,14 +8007,15 @@ int skl_pcode_request(struct drm_i915_private *dev_priv, u32 mbox, u32 request, - * worst case) _and_ PCODE was busy for some reason even after a - * (queued) request and @timeout_base_ms delay. As a workaround retry - * the poll with preemption disabled to maximize the number of -- * requests. Increase the timeout from @timeout_base_ms to 10ms to -+ * requests. Increase the timeout from @timeout_base_ms to 50ms to - * account for interrupts that could reduce the number of these -- * requests. -+ * requests, and for any quirks of the PCODE firmware that delays -+ * the request completion. - */ - DRM_DEBUG_KMS("PCODE timeout, retrying with preemption disabled\n"); - WARN_ON_ONCE(timeout_base_ms > 3); - preempt_disable(); -- ret = wait_for_atomic(COND, 10); -+ ret = wait_for_atomic(COND, 50); - preempt_enable(); - - out: -diff --git a/drivers/i2c/busses/i2c-bcm2835.c b/drivers/i2c/busses/i2c-bcm2835.c -index d4f3239..f283b71 100644 ---- a/drivers/i2c/busses/i2c-bcm2835.c -+++ b/drivers/i2c/busses/i2c-bcm2835.c -@@ -64,6 +64,7 @@ struct bcm2835_i2c_dev { - int irq; - struct i2c_adapter adapter; - struct completion completion; -+ struct i2c_msg *curr_msg; - u32 msg_err; - u8 *msg_buf; - size_t msg_buf_remaining; -@@ -126,14 +127,13 @@ static irqreturn_t bcm2835_i2c_isr(int this_irq, void *data) - return IRQ_HANDLED; - } - -- if (val & BCM2835_I2C_S_RXD) { -- bcm2835_drain_rxfifo(i2c_dev); -- if (!(val & BCM2835_I2C_S_DONE)) -- return IRQ_HANDLED; -- } -- - if (val & BCM2835_I2C_S_DONE) { -- if (i2c_dev->msg_buf_remaining) -+ if (i2c_dev->curr_msg->flags & I2C_M_RD) { -+ bcm2835_drain_rxfifo(i2c_dev); -+ val = bcm2835_i2c_readl(i2c_dev, BCM2835_I2C_S); -+ } -+ -+ if ((val & BCM2835_I2C_S_RXD) || i2c_dev->msg_buf_remaining) - i2c_dev->msg_err = BCM2835_I2C_S_LEN; - else - i2c_dev->msg_err = 0; -@@ -141,11 +141,16 @@ static irqreturn_t bcm2835_i2c_isr(int this_irq, void *data) - return IRQ_HANDLED; - } - -- if (val & BCM2835_I2C_S_TXD) { -+ if (val & BCM2835_I2C_S_TXW) { - bcm2835_fill_txfifo(i2c_dev); - return IRQ_HANDLED; - } - -+ if (val & BCM2835_I2C_S_RXR) { -+ bcm2835_drain_rxfifo(i2c_dev); -+ return IRQ_HANDLED; -+ } -+ - return IRQ_NONE; - } - -@@ -155,6 +160,7 @@ static int bcm2835_i2c_xfer_msg(struct bcm2835_i2c_dev *i2c_dev, - u32 c; - unsigned long time_left; - -+ i2c_dev->curr_msg = msg; - i2c_dev->msg_buf = msg->buf; - i2c_dev->msg_buf_remaining = msg->len; - reinit_completion(&i2c_dev->completion); -diff --git a/drivers/mtd/bcm47xxpart.c b/drivers/mtd/bcm47xxpart.c -index 3779475..283ff7e 100644 ---- a/drivers/mtd/bcm47xxpart.c -+++ b/drivers/mtd/bcm47xxpart.c -@@ -229,12 +229,10 @@ static int bcm47xxpart_parse(struct mtd_info *master, - - last_trx_part = curr_part - 1; - -- /* -- * We have whole TRX scanned, skip to the next part. Use -- * roundown (not roundup), as the loop will increase -- * offset in next step. -- */ -- offset = rounddown(offset + trx->length, blocksize); -+ /* Jump to the end of TRX */ -+ offset = roundup(offset + trx->length, blocksize); -+ /* Next loop iteration will increase the offset */ -+ offset -= blocksize; - continue; - } - -diff --git a/drivers/net/ethernet/mellanox/mlx4/cq.c b/drivers/net/ethernet/mellanox/mlx4/cq.c -index a849da9..6b86353 100644 ---- a/drivers/net/ethernet/mellanox/mlx4/cq.c -+++ b/drivers/net/ethernet/mellanox/mlx4/cq.c -@@ -101,13 +101,19 @@ void mlx4_cq_completion(struct mlx4_dev *dev, u32 cqn) - { - struct mlx4_cq *cq; - -+ rcu_read_lock(); - cq = radix_tree_lookup(&mlx4_priv(dev)->cq_table.tree, - cqn & (dev->caps.num_cqs - 1)); -+ rcu_read_unlock(); -+ - if (!cq) { - mlx4_dbg(dev, "Completion event for bogus CQ %08x\n", cqn); - return; - } - -+ /* Acessing the CQ outside of rcu_read_lock is safe, because -+ * the CQ is freed only after interrupt handling is completed. -+ */ - ++cq->arm_sn; - - cq->comp(cq); -@@ -118,23 +124,19 @@ void mlx4_cq_event(struct mlx4_dev *dev, u32 cqn, int event_type) - struct mlx4_cq_table *cq_table = &mlx4_priv(dev)->cq_table; - struct mlx4_cq *cq; - -- spin_lock(&cq_table->lock); -- -+ rcu_read_lock(); - cq = radix_tree_lookup(&cq_table->tree, cqn & (dev->caps.num_cqs - 1)); -- if (cq) -- atomic_inc(&cq->refcount); -- -- spin_unlock(&cq_table->lock); -+ rcu_read_unlock(); - - if (!cq) { -- mlx4_warn(dev, "Async event for bogus CQ %08x\n", cqn); -+ mlx4_dbg(dev, "Async event for bogus CQ %08x\n", cqn); - return; - } - -+ /* Acessing the CQ outside of rcu_read_lock is safe, because -+ * the CQ is freed only after interrupt handling is completed. -+ */ - cq->event(cq, event_type); -- -- if (atomic_dec_and_test(&cq->refcount)) -- complete(&cq->free); - } - - static int mlx4_SW2HW_CQ(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox, -@@ -301,9 +303,9 @@ int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, - if (err) - return err; - -- spin_lock_irq(&cq_table->lock); -+ spin_lock(&cq_table->lock); - err = radix_tree_insert(&cq_table->tree, cq->cqn, cq); -- spin_unlock_irq(&cq_table->lock); -+ spin_unlock(&cq_table->lock); - if (err) - goto err_icm; - -@@ -349,9 +351,9 @@ int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, - return 0; - - err_radix: -- spin_lock_irq(&cq_table->lock); -+ spin_lock(&cq_table->lock); - radix_tree_delete(&cq_table->tree, cq->cqn); -- spin_unlock_irq(&cq_table->lock); -+ spin_unlock(&cq_table->lock); - - err_icm: - mlx4_cq_free_icm(dev, cq->cqn); -@@ -370,15 +372,15 @@ void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq) - if (err) - mlx4_warn(dev, "HW2SW_CQ failed (%d) for CQN %06x\n", err, cq->cqn); - -+ spin_lock(&cq_table->lock); -+ radix_tree_delete(&cq_table->tree, cq->cqn); -+ spin_unlock(&cq_table->lock); -+ - synchronize_irq(priv->eq_table.eq[MLX4_CQ_TO_EQ_VECTOR(cq->vector)].irq); - if (priv->eq_table.eq[MLX4_CQ_TO_EQ_VECTOR(cq->vector)].irq != - priv->eq_table.eq[MLX4_EQ_ASYNC].irq) - synchronize_irq(priv->eq_table.eq[MLX4_EQ_ASYNC].irq); - -- spin_lock_irq(&cq_table->lock); -- radix_tree_delete(&cq_table->tree, cq->cqn); -- spin_unlock_irq(&cq_table->lock); -- - if (atomic_dec_and_test(&cq->refcount)) - complete(&cq->free); - wait_for_completion(&cq->free); -diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c -index 4d3ddc2..5d48458 100644 ---- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c -+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c -@@ -444,8 +444,14 @@ int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv) - ring->cqn = priv->rx_cq[ring_ind]->mcq.cqn; - - ring->stride = stride; -- if (ring->stride <= TXBB_SIZE) -+ if (ring->stride <= TXBB_SIZE) { -+ /* Stamp first unused send wqe */ -+ __be32 *ptr = (__be32 *)ring->buf; -+ __be32 stamp = cpu_to_be32(1 << STAMP_SHIFT); -+ *ptr = stamp; -+ /* Move pointer to start of rx section */ - ring->buf += TXBB_SIZE; -+ } - - ring->log_stride = ffs(ring->stride) - 1; - ring->buf_size = ring->size * ring->stride; -diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c -index c548bea..32f76bf 100644 ---- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c -+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c -@@ -2980,6 +2980,9 @@ int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave, - put_res(dev, slave, srqn, RES_SRQ); - qp->srq = srq; - } -+ -+ /* Save param3 for dynamic changes from VST back to VGT */ -+ qp->param3 = qpc->param3; - put_res(dev, slave, rcqn, RES_CQ); - put_res(dev, slave, mtt_base, RES_MTT); - res_end_move(dev, slave, RES_QP, qpn); -@@ -3772,7 +3775,6 @@ int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave, - int qpn = vhcr->in_modifier & 0x7fffff; - struct res_qp *qp; - u8 orig_sched_queue; -- __be32 orig_param3 = qpc->param3; - u8 orig_vlan_control = qpc->pri_path.vlan_control; - u8 orig_fvl_rx = qpc->pri_path.fvl_rx; - u8 orig_pri_path_fl = qpc->pri_path.fl; -@@ -3814,7 +3816,6 @@ int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave, - */ - if (!err) { - qp->sched_queue = orig_sched_queue; -- qp->param3 = orig_param3; - qp->vlan_control = orig_vlan_control; - qp->fvl_rx = orig_fvl_rx; - qp->pri_path_fl = orig_pri_path_fl; -diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c -index 4e0c565..b7273be 100644 ---- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c -+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c -@@ -1422,7 +1422,7 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev) - cancel_work_sync(&rt2x00dev->intf_work); - cancel_delayed_work_sync(&rt2x00dev->autowakeup_work); - cancel_work_sync(&rt2x00dev->sleep_work); --#ifdef CONFIG_RT2X00_LIB_USB -+#if IS_ENABLED(CONFIG_RT2X00_LIB_USB) - if (rt2x00_is_usb(rt2x00dev)) { - usb_kill_anchored_urbs(rt2x00dev->anchor); - hrtimer_cancel(&rt2x00dev->txstatus_timer); -diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c b/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c -index 6005e14..662705e 100644 ---- a/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c -+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c -@@ -319,10 +319,8 @@ static bool rt2x00usb_kick_tx_entry(struct queue_entry *entry, void *data) - entry->skb->data, length, - rt2x00usb_interrupt_txdone, entry); - -- usb_anchor_urb(entry_priv->urb, rt2x00dev->anchor); - status = usb_submit_urb(entry_priv->urb, GFP_ATOMIC); - if (status) { -- usb_unanchor_urb(entry_priv->urb); - if (status == -ENODEV) - clear_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags); - set_bit(ENTRY_DATA_IO_FAILED, &entry->flags); -@@ -410,10 +408,8 @@ static bool rt2x00usb_kick_rx_entry(struct queue_entry *entry, void *data) - entry->skb->data, entry->skb->len, - rt2x00usb_interrupt_rxdone, entry); - -- usb_anchor_urb(entry_priv->urb, rt2x00dev->anchor); - status = usb_submit_urb(entry_priv->urb, GFP_ATOMIC); - if (status) { -- usb_unanchor_urb(entry_priv->urb); - if (status == -ENODEV) - clear_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags); - set_bit(ENTRY_DATA_IO_FAILED, &entry->flags); -@@ -824,10 +820,6 @@ int rt2x00usb_probe(struct usb_interface *usb_intf, - if (retval) - goto exit_free_device; - -- retval = rt2x00lib_probe_dev(rt2x00dev); -- if (retval) -- goto exit_free_reg; -- - rt2x00dev->anchor = devm_kmalloc(&usb_dev->dev, - sizeof(struct usb_anchor), - GFP_KERNEL); -@@ -835,10 +827,17 @@ int rt2x00usb_probe(struct usb_interface *usb_intf, - retval = -ENOMEM; - goto exit_free_reg; - } -- - init_usb_anchor(rt2x00dev->anchor); -+ -+ retval = rt2x00lib_probe_dev(rt2x00dev); -+ if (retval) -+ goto exit_free_anchor; -+ - return 0; - -+exit_free_anchor: -+ usb_kill_anchored_urbs(rt2x00dev->anchor); -+ - exit_free_reg: - rt2x00usb_free_reg(rt2x00dev); - -diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c -index c28ccf1..35fb2bef 100644 ---- a/drivers/usb/core/hub.c -+++ b/drivers/usb/core/hub.c -@@ -2650,8 +2650,15 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1, - if (ret < 0) - return ret; - -- /* The port state is unknown until the reset completes. */ -- if (!(portstatus & USB_PORT_STAT_RESET)) -+ /* -+ * The port state is unknown until the reset completes. -+ * -+ * On top of that, some chips may require additional time -+ * to re-establish a connection after the reset is complete, -+ * so also wait for the connection to be re-established. -+ */ -+ if (!(portstatus & USB_PORT_STAT_RESET) && -+ (portstatus & USB_PORT_STAT_CONNECTION)) - break; - - /* switch to the long delay after two short delay failures */ -diff --git a/fs/orangefs/devorangefs-req.c b/fs/orangefs/devorangefs-req.c -index 516ffb4..f419dd9 100644 ---- a/fs/orangefs/devorangefs-req.c -+++ b/fs/orangefs/devorangefs-req.c -@@ -402,8 +402,9 @@ static ssize_t orangefs_devreq_write_iter(struct kiocb *iocb, - /* remove the op from the in progress hash table */ - op = orangefs_devreq_remove_op(head.tag); - if (!op) { -- gossip_err("WARNING: No one's waiting for tag %llu\n", -- llu(head.tag)); -+ gossip_debug(GOSSIP_DEV_DEBUG, -+ "%s: No one's waiting for tag %llu\n", -+ __func__, llu(head.tag)); - return ret; - } - -diff --git a/fs/orangefs/orangefs-debugfs.c b/fs/orangefs/orangefs-debugfs.c -index 38887cc..0748a26 100644 ---- a/fs/orangefs/orangefs-debugfs.c -+++ b/fs/orangefs/orangefs-debugfs.c -@@ -671,8 +671,10 @@ int orangefs_prepare_debugfs_help_string(int at_boot) - */ - cdm_element_count = - orangefs_prepare_cdm_array(client_debug_array_string); -- if (cdm_element_count <= 0) -+ if (cdm_element_count <= 0) { -+ kfree(new); - goto out; -+ } - - for (i = 0; i < cdm_element_count; i++) { - strlcat(new, "\t", string_size); -@@ -963,13 +965,13 @@ int orangefs_debugfs_new_client_string(void __user *arg) - int ret; - - ret = copy_from_user(&client_debug_array_string, -- (void __user *)arg, -- ORANGEFS_MAX_DEBUG_STRING_LEN); -+ (void __user *)arg, -+ ORANGEFS_MAX_DEBUG_STRING_LEN); - - if (ret != 0) { - pr_info("%s: CLIENT_STRING: copy_from_user failed\n", - __func__); -- return -EIO; -+ return -EFAULT; - } - - /* -@@ -984,17 +986,18 @@ int orangefs_debugfs_new_client_string(void __user *arg) - */ - client_debug_array_string[ORANGEFS_MAX_DEBUG_STRING_LEN - 1] = - '\0'; -- -+ - pr_info("%s: client debug array string has been received.\n", - __func__); - - if (!help_string_initialized) { - - /* Build a proper debug help string. */ -- if (orangefs_prepare_debugfs_help_string(0)) { -+ ret = orangefs_prepare_debugfs_help_string(0); -+ if (ret) { - gossip_err("%s: no debug help string \n", - __func__); -- return -EIO; -+ return ret; - } - - } -@@ -1007,7 +1010,7 @@ int orangefs_debugfs_new_client_string(void __user *arg) - - help_string_initialized++; - -- return ret; -+ return 0; - } - - int orangefs_debugfs_new_debug(void __user *arg) -diff --git a/fs/orangefs/orangefs-dev-proto.h b/fs/orangefs/orangefs-dev-proto.h -index a3d84ff..f380f9ed 100644 ---- a/fs/orangefs/orangefs-dev-proto.h -+++ b/fs/orangefs/orangefs-dev-proto.h -@@ -50,8 +50,7 @@ - * Misc constants. Please retain them as multiples of 8! - * Otherwise 32-64 bit interactions will be messed up :) - */ --#define ORANGEFS_MAX_DEBUG_STRING_LEN 0x00000400 --#define ORANGEFS_MAX_DEBUG_ARRAY_LEN 0x00000800 -+#define ORANGEFS_MAX_DEBUG_STRING_LEN 0x00000800 - - /* - * The maximum number of directory entries in a single request is 96. -diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c -index f2b04a7..8ab0974 100644 ---- a/net/packet/af_packet.c -+++ b/net/packet/af_packet.c -@@ -4235,8 +4235,8 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u, - if (unlikely(!PAGE_ALIGNED(req->tp_block_size))) - goto out; - if (po->tp_version >= TPACKET_V3 && -- (int)(req->tp_block_size - -- BLK_PLUS_PRIV(req_u->req3.tp_sizeof_priv)) <= 0) -+ req->tp_block_size <= -+ BLK_PLUS_PRIV((u64)req_u->req3.tp_sizeof_priv)) - goto out; - if (unlikely(req->tp_frame_size < po->tp_hdrlen + - po->tp_reserve)) diff --git a/4.9.23/4420_grsecurity-3.1-4.9.23-201704181901.patch b/4.9.23/4420_grsecurity-3.1-4.9.23-201704181901.patch deleted file mode 100644 index 5c38b38..0000000 --- a/4.9.23/4420_grsecurity-3.1-4.9.23-201704181901.patch +++ /dev/null @@ -1,225944 +0,0 @@ -diff --git a/Documentation/dontdiff b/Documentation/dontdiff -index 5385cba..607c6a0 100644 ---- a/Documentation/dontdiff -+++ b/Documentation/dontdiff -@@ -7,6 +7,7 @@ - *.cis - *.cpio - *.csp -+*.dbg - *.dsp - *.dvi - *.elf -@@ -16,6 +17,7 @@ - *.gcov - *.gen.S - *.gif -+*.gmo - *.grep - *.grp - *.gz -@@ -52,14 +54,17 @@ - *.tab.h - *.tex - *.ver -+*.vim - *.xml - *.xz - *_MODULES -+*_reg_safe.h - *_vga16.c - *~ - \#*# - *.9 --.* -+.[^g]* -+.gen* - .*.d - .mm - 53c700_d.h -@@ -73,9 +78,11 @@ Image - Module.markers - Module.symvers - PENDING -+PERF* - SCCS - System.map* - TAGS -+TRACEEVENT-CFLAGS - aconf - af_names.h - aic7*reg.h* -@@ -84,6 +91,7 @@ aic7*seq.h* - aicasm - aicdb.h* - altivec*.c -+ashldi3.S - asm-offsets.h - asm_offsets.h - autoconf.h* -@@ -96,11 +104,14 @@ bounds.h - bsetup - btfixupprep - build -+builtin-policy.h - bvmlinux - bzImage* - capability_names.h - capflags.c - classlist.h* -+clut_vga16.c -+common-cmds.h - comp*.log - compile.h* - conf -@@ -109,19 +120,23 @@ config-* - config_data.h* - config.mak - config.mak.autogen -+config.tmp - conmakehash - consolemap_deftbl.c* - cpustr.h - crc32table.h* - cscope.* - defkeymap.c -+devicetable-offsets.h - devlist.h* - dnotify_test - docproc - dslm -+dtc-lexer.lex.c - elf2ecoff - elfconfig.h* - evergreen_reg_safe.h -+exception_policy.conf - fixdep - flask.h - fore200e_mkfirm -@@ -129,12 +144,15 @@ fore200e_pca_fw.c* - gconf - gconf.glade.h - gen-devlist -+gen-kdb_cmds.c - gen_crc32table - gen_init_cpio - generated - genheaders - genksyms - *_gray256.c -+hash -+hid-example - hpet_example - hugepage-mmap - hugepage-shm -@@ -149,14 +167,14 @@ int32.c - int4.c - int8.c - kallsyms --kconfig -+kern_constants.h - keywords.c - ksym.c* - ksym.h* - kxgettext - lex.c - lex.*.c --linux -+lib1funcs.S - logo_*.c - logo_*_clut224.c - logo_*_mono.c -@@ -167,12 +185,14 @@ machtypes.h - map - map_hugetlb - mconf -+mdp - miboot* - mk_elfconfig - mkboot - mkbugboot - mkcpustr - mkdep -+mkpiggy - mkprep - mkregtable - mktables -@@ -188,6 +208,8 @@ oui.c* - page-types - parse.c - parse.h -+parse-events* -+pasyms.h - patches* - pca200e.bin - pca200e_ecd.bin2 -@@ -197,6 +219,7 @@ perf-archive - piggyback - piggy.gzip - piggy.S -+pmu-* - pnmtologo - ppc_defs.h* - pss_boot.h -@@ -206,7 +229,12 @@ r200_reg_safe.h - r300_reg_safe.h - r420_reg_safe.h - r600_reg_safe.h -+randomize_layout_hash.h -+randomize_layout_seed.h -+realmode.lds -+realmode.relocs - recordmcount -+regdb.c - relocs - rlim_names.h - rn50_reg_safe.h -@@ -216,8 +244,17 @@ series - setup - setup.bin - setup.elf -+signing_key* -+aux.h -+disable.h -+e_fields.h -+e_fns.h -+e_fptrs.h -+e_vars.h - sImage -+slabinfo - sm_tbl* -+sortextable - split-include - syscalltab.h - tables.c -@@ -227,6 +264,7 @@ tftpboot.img - timeconst.h - times.h* - trix_boot.h -+user_constants.h - utsrelease.h* - vdso-syms.lds - vdso.lds -@@ -238,13 +276,17 @@ vdso32.lds - vdso32.so.dbg - vdso64.lds - vdso64.so.dbg -+vdsox32.lds -+vdsox32-syms.lds - version.h* - vmImage - vmlinux - vmlinux-* - vmlinux.aout - vmlinux.bin.all -+vmlinux.bin.bz2 - vmlinux.lds -+vmlinux.relocs - vmlinuz - voffset.h - vsyscall.lds -@@ -252,9 +294,12 @@ vsyscall_32.lds - wanxlfw.inc - uImage - unifdef -+utsrelease.h - wakeup.bin - wakeup.elf - wakeup.lds -+x509* - zImage* - zconf.hash.c -+zconf.lex.c - zoffset.h -diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt -index 9b9c479..5a635ff 100644 ---- a/Documentation/kbuild/makefiles.txt -+++ b/Documentation/kbuild/makefiles.txt -@@ -23,10 +23,11 @@ This document describes the Linux kernel Makefiles. - === 4 Host Program support - --- 4.1 Simple Host Program - --- 4.2 Composite Host Programs -- --- 4.3 Using C++ for host programs -- --- 4.4 Controlling compiler options for host programs -- --- 4.5 When host programs are actually built -- --- 4.6 Using hostprogs-$(CONFIG_FOO) -+ --- 4.3 Defining shared libraries -+ --- 4.4 Using C++ for host programs -+ --- 4.5 Controlling compiler options for host programs -+ --- 4.6 When host programs are actually built -+ --- 4.7 Using hostprogs-$(CONFIG_FOO) - - === 5 Kbuild clean infrastructure - -@@ -645,7 +646,29 @@ Both possibilities are described in the following. - Finally, the two .o files are linked to the executable, lxdialog. - Note: The syntax -y is not permitted for host-programs. - ----- 4.3 Using C++ for host programs -+--- 4.3 Defining shared libraries -+ -+ Objects with extension .so are considered shared libraries, and -+ will be compiled as position independent objects. -+ Kbuild provides support for shared libraries, but the usage -+ shall be restricted. -+ In the following example the libkconfig.so shared library is used -+ to link the executable conf. -+ -+ Example: -+ #scripts/kconfig/Makefile -+ hostprogs-y := conf -+ conf-objs := conf.o libkconfig.so -+ libkconfig-objs := expr.o type.o -+ -+ Shared libraries always require a corresponding -objs line, and -+ in the example above the shared library libkconfig is composed by -+ the two objects expr.o and type.o. -+ expr.o and type.o will be built as position independent code and -+ linked as a shared library libkconfig.so. C++ is not supported for -+ shared libraries. -+ -+--- 4.4 Using C++ for host programs - - kbuild offers support for host programs written in C++. This was - introduced solely to support kconfig, and is not recommended -@@ -668,7 +691,7 @@ Both possibilities are described in the following. - qconf-cxxobjs := qconf.o - qconf-objs := check.o - ----- 4.4 Controlling compiler options for host programs -+--- 4.5 Controlling compiler options for host programs - - When compiling host programs, it is possible to set specific flags. - The programs will always be compiled utilising $(HOSTCC) passed -@@ -696,7 +719,7 @@ Both possibilities are described in the following. - When linking qconf, it will be passed the extra option - "-L$(QTDIR)/lib". - ----- 4.5 When host programs are actually built -+--- 4.6 When host programs are actually built - - Kbuild will only build host-programs when they are referenced - as a prerequisite. -@@ -727,7 +750,7 @@ Both possibilities are described in the following. - This will tell kbuild to build lxdialog even if not referenced in - any rule. - ----- 4.6 Using hostprogs-$(CONFIG_FOO) -+--- 4.7 Using hostprogs-$(CONFIG_FOO) - - A typical pattern in a Kbuild file looks like this: - -diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt -index a6fadef..fdf6042 100644 ---- a/Documentation/kernel-parameters.txt -+++ b/Documentation/kernel-parameters.txt -@@ -1436,6 +1436,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted. - [KNL] Should the hard-lockup detector generate - backtraces on all cpus. - Format: -+ grsec_proc_gid= [GRKERNSEC_PROC_USERGROUP] Chooses GID to -+ ignore grsecurity's /proc restrictions -+ -+ grsec_sysfs_restrict= Format: 0 | 1 -+ Default: 1 -+ Disables GRKERNSEC_SYSFS_RESTRICT if enabled in config - - hashdist= [KNL,NUMA] Large hashes allocated during boot - are distributed across NUMA nodes. Defaults on -@@ -2665,6 +2671,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted. - noexec=on: enable non-executable mappings (default) - noexec=off: disable non-executable mappings - -+ nopcid [X86-64] -+ Disable PCID (Process-Context IDentifier) even if it -+ is supported by the processor. -+ - nosmap [X86] - Disable SMAP (Supervisor Mode Access Prevention) - even if it is supported by processor. -@@ -2973,6 +2983,35 @@ bytes respectively. Such letter suffixes can also be entirely omitted. - the specified number of seconds. This is to be used if - your oopses keep scrolling off the screen. - -+ pax_nouderef [X86] disables UDEREF. Most likely needed under certain -+ virtualization environments that don't cope well with the -+ expand down segment used by UDEREF on X86-32 or the frequent -+ page table updates on X86-64. -+ -+ pax_sanitize_slab= -+ Format: { 0 | 1 | off | fast | full } -+ Options '0' and '1' are only provided for backward -+ compatibility, 'off' or 'fast' should be used instead. -+ 0|off : disable slab object sanitization -+ 1|fast: enable slab object sanitization excluding -+ whitelisted slabs (default) -+ full : sanitize all slabs, even the whitelisted ones -+ -+ pax_softmode= 0/1 to disable/enable PaX softmode on boot already. -+ -+ pax_extra_latent_entropy -+ Enable a very simple form of latent entropy extraction -+ from the first 4GB of memory as the bootmem allocator -+ passes the memory pages to the buddy allocator. -+ -+ pax_size_overflow_report_only -+ Enables rate-limited logging of size_overflow plugin -+ violations while disabling killing of the violating -+ task. -+ -+ pax_weakuderef [X86-64] enables the weaker but faster form of UDEREF -+ when the processor supports PCID. -+ - pcbit= [HW,ISDN] - - pcd. [PARIDE] -diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt -index ffab8b5..b8fcd61 100644 ---- a/Documentation/sysctl/kernel.txt -+++ b/Documentation/sysctl/kernel.txt -@@ -42,6 +42,7 @@ show up in /proc/sys/kernel: - - kptr_restrict - - kstack_depth_to_print [ X86 only ] - - l2cr [ PPC only ] -+- modify_ldt [ X86 only ] - - modprobe ==> Documentation/debugging-modules.txt - - modules_disabled - - msg_next_id [ sysv ipc ] -@@ -409,6 +410,20 @@ This flag controls the L2 cache of G3 processor boards. If - - ============================================================== - -+modify_ldt: (X86 only) -+ -+Enables (1) or disables (0) the modify_ldt syscall. Modifying the LDT -+(Local Descriptor Table) may be needed to run a 16-bit or segmented code -+such as Dosemu or Wine. This is done via a system call which is not needed -+to run portable applications, and which can sometimes be abused to exploit -+some weaknesses of the architecture, opening new vulnerabilities. -+ -+This sysctl allows one to increase the system's security by disabling the -+system call, or to restore compatibility with specific applications when it -+was already disabled. -+ -+============================================================== -+ - modules_disabled: - - A toggle value indicating if modules are allowed to be loaded -diff --git a/Kbuild b/Kbuild -index 3d0ae15..84e5412 100644 ---- a/Kbuild -+++ b/Kbuild -@@ -91,6 +91,7 @@ $(obj)/$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE - always += missing-syscalls - targets += missing-syscalls - -+GCC_PLUGINS_missing-syscalls := n - quiet_cmd_syscalls = CALL $< - cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags) - -diff --git a/Makefile b/Makefile -index 0de7597..ada2dd2 100644 ---- a/Makefile -+++ b/Makefile -@@ -302,7 +302,9 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ - HOSTCC = gcc - HOSTCXX = g++ - HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu89 --HOSTCXXFLAGS = -O2 -+HOSTCFLAGS = -W -Wno-unused-parameter -Wno-missing-field-initializers -fno-delete-null-pointer-checks -+HOSTCFLAGS += $(call cc-option, -Wno-empty-body) -+HOSTCXXFLAGS = -O2 -Wall -W -Wno-array-bounds - - ifeq ($(shell $(HOSTCC) -v 2>&1 | grep -c "clang version"), 1) - HOSTCFLAGS += -Wno-unused-value -Wno-unused-parameter \ -@@ -731,7 +733,7 @@ KBUILD_CFLAGS += $(call cc-option, -gsplit-dwarf, -g) - else - KBUILD_CFLAGS += -g - endif --KBUILD_AFLAGS += -Wa,-gdwarf-2 -+KBUILD_AFLAGS += -Wa,--gdwarf-2 - endif - ifdef CONFIG_DEBUG_INFO_DWARF4 - KBUILD_CFLAGS += $(call cc-option, -gdwarf-4,) -@@ -910,7 +912,7 @@ export mod_sign_cmd - - - ifeq ($(KBUILD_EXTMOD),) --core-y += kernel/ certs/ mm/ fs/ ipc/ security/ crypto/ block/ -+core-y += kernel/ certs/ mm/ fs/ ipc/ security/ crypto/ block/ grsecurity/ - - vmlinux-dirs := $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \ - $(core-y) $(core-m) $(drivers-y) $(drivers-m) \ -@@ -1274,7 +1276,10 @@ MRPROPER_FILES += .config .config.old .version .old_version \ - Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ - signing_key.pem signing_key.priv signing_key.x509 \ - x509.genkey extra_certificates signing_key.x509.keyid \ -- signing_key.x509.signer vmlinux-gdb.py -+ signing_key.x509.signer vmlinux-gdb.py \ -+ scripts/gcc-plugins/size_overflow_plugin/e_*.h \ -+ scripts/gcc-plugins/size_overflow_plugin/disable.h \ -+ scripts/gcc-plugins/randomize_layout_seed.h - - # clean - Delete most, but leave enough to build external modules - # -@@ -1314,7 +1319,7 @@ distclean: mrproper - @find $(srctree) $(RCS_FIND_IGNORE) \ - \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ - -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ -- -o -name '.*.rej' -o -name '*%' -o -name 'core' \) \ -+ -o -name '.*.rej' -o -name '*.so' -o -name '*%' -o -name 'core' \) \ - -type f -print | xargs rm -f - - -diff --git a/arch/Kconfig b/arch/Kconfig -index 659bdd0..4179181 100644 ---- a/arch/Kconfig -+++ b/arch/Kconfig -@@ -164,6 +164,7 @@ config ARCH_USE_BUILTIN_BSWAP - config KRETPROBES - def_bool y - depends on KPROBES && HAVE_KRETPROBES -+ depends on !PAX_RAP - - config USER_RETURN_NOTIFIER - bool -@@ -355,7 +356,7 @@ config HAVE_GCC_PLUGINS - menuconfig GCC_PLUGINS - bool "GCC plugins" - depends on HAVE_GCC_PLUGINS -- depends on !COMPILE_TEST -+ default y - help - GCC plugins are loadable modules that provide extra features to the - compiler. They are useful for runtime instrumentation and static analysis. -@@ -759,6 +760,7 @@ config VMAP_STACK - default y - bool "Use a virtually-mapped stack" - depends on HAVE_ARCH_VMAP_STACK && !KASAN -+ depends on !GRKERNSEC_KSTACKOVERFLOW - ---help--- - Enable this if you want the use virtually-mapped kernel stacks - with guard pages. This causes kernel stack overflows to be -diff --git a/arch/alpha/include/asm/atomic.h b/arch/alpha/include/asm/atomic.h -index 498933a..78d2b22 100644 ---- a/arch/alpha/include/asm/atomic.h -+++ b/arch/alpha/include/asm/atomic.h -@@ -308,4 +308,14 @@ static inline long atomic64_dec_if_positive(atomic64_t *v) - #define atomic_dec(v) atomic_sub(1,(v)) - #define atomic64_dec(v) atomic64_sub(1,(v)) - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - #endif /* _ALPHA_ATOMIC_H */ -diff --git a/arch/alpha/include/asm/cache.h b/arch/alpha/include/asm/cache.h -index ad368a9..fbe0f25 100644 ---- a/arch/alpha/include/asm/cache.h -+++ b/arch/alpha/include/asm/cache.h -@@ -4,19 +4,19 @@ - #ifndef __ARCH_ALPHA_CACHE_H - #define __ARCH_ALPHA_CACHE_H - -+#include - - /* Bytes per L1 (data) cache line. */ - #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EV6) --# define L1_CACHE_BYTES 64 - # define L1_CACHE_SHIFT 6 - #else - /* Both EV4 and EV5 are write-through, read-allocate, - direct-mapped, physical. - */ --# define L1_CACHE_BYTES 32 - # define L1_CACHE_SHIFT 5 - #endif - -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - #define SMP_CACHE_BYTES L1_CACHE_BYTES - - #endif -diff --git a/arch/alpha/include/asm/elf.h b/arch/alpha/include/asm/elf.h -index 968d999..d36b2df 100644 ---- a/arch/alpha/include/asm/elf.h -+++ b/arch/alpha/include/asm/elf.h -@@ -91,6 +91,13 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; - - #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x1000000) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (current->personality & ADDR_LIMIT_32BIT ? 0x10000 : 0x120000000UL) -+ -+#define PAX_DELTA_MMAP_LEN (current->personality & ADDR_LIMIT_32BIT ? 14 : 28) -+#define PAX_DELTA_STACK_LEN (current->personality & ADDR_LIMIT_32BIT ? 14 : 19) -+#endif -+ - /* $0 is set by ld.so to a pointer to a function which might be - registered using atexit. This provides a mean for the dynamic - linker to call DT_FINI functions for shared libraries that have -diff --git a/arch/alpha/include/asm/pgalloc.h b/arch/alpha/include/asm/pgalloc.h -index c2ebb6f..93a0613 100644 ---- a/arch/alpha/include/asm/pgalloc.h -+++ b/arch/alpha/include/asm/pgalloc.h -@@ -29,6 +29,12 @@ pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd) - pgd_set(pgd, pmd); - } - -+static inline void -+pgd_populate_kernel(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd) -+{ -+ pgd_populate(mm, pgd, pmd); -+} -+ - extern pgd_t *pgd_alloc(struct mm_struct *mm); - - static inline void -diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h -index a9a1195..e9b8417 100644 ---- a/arch/alpha/include/asm/pgtable.h -+++ b/arch/alpha/include/asm/pgtable.h -@@ -101,6 +101,17 @@ struct vm_area_struct; - #define PAGE_SHARED __pgprot(_PAGE_VALID | __ACCESS_BITS) - #define PAGE_COPY __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW) - #define PAGE_READONLY __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW) -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+# define PAGE_SHARED_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOE) -+# define PAGE_COPY_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW | _PAGE_FOE) -+# define PAGE_READONLY_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW | _PAGE_FOE) -+#else -+# define PAGE_SHARED_NOEXEC PAGE_SHARED -+# define PAGE_COPY_NOEXEC PAGE_COPY -+# define PAGE_READONLY_NOEXEC PAGE_READONLY -+#endif -+ - #define PAGE_KERNEL __pgprot(_PAGE_VALID | _PAGE_ASM | _PAGE_KRE | _PAGE_KWE) - - #define _PAGE_NORMAL(x) __pgprot(_PAGE_VALID | __ACCESS_BITS | (x)) -diff --git a/arch/alpha/kernel/module.c b/arch/alpha/kernel/module.c -index 936bc8f..bb1859f 100644 ---- a/arch/alpha/kernel/module.c -+++ b/arch/alpha/kernel/module.c -@@ -160,7 +160,7 @@ apply_relocate_add(Elf64_Shdr *sechdrs, const char *strtab, - - /* The small sections were sorted to the end of the segment. - The following should definitely cover them. */ -- gp = (u64)me->core_layout.base + me->core_layout.size - 0x8000; -+ gp = (u64)me->core_layout.base_rw + me->core_layout.size_rw - 0x8000; - got = sechdrs[me->arch.gotsecindex].sh_addr; - - for (i = 0; i < n; i++) { -diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c -index ffb93f49..ced8233 100644 ---- a/arch/alpha/kernel/osf_sys.c -+++ b/arch/alpha/kernel/osf_sys.c -@@ -1300,10 +1300,11 @@ SYSCALL_DEFINE1(old_adjtimex, struct timex32 __user *, txc_p) - generic version except that we know how to honor ADDR_LIMIT_32BIT. */ - - static unsigned long --arch_get_unmapped_area_1(unsigned long addr, unsigned long len, -- unsigned long limit) -+arch_get_unmapped_area_1(struct file *filp, unsigned long addr, unsigned long len, -+ unsigned long limit, unsigned long flags) - { - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(current->mm, filp, flags); - - info.flags = 0; - info.length = len; -@@ -1311,6 +1312,7 @@ arch_get_unmapped_area_1(unsigned long addr, unsigned long len, - info.high_limit = limit; - info.align_mask = 0; - info.align_offset = 0; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - -@@ -1343,20 +1345,24 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - merely specific addresses, but regions of memory -- perhaps - this feature should be incorporated into all ports? */ - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(current->mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { -- addr = arch_get_unmapped_area_1 (PAGE_ALIGN(addr), len, limit); -+ addr = arch_get_unmapped_area_1 (filp, PAGE_ALIGN(addr), len, limit, flags); - if (addr != (unsigned long) -ENOMEM) - return addr; - } - - /* Next, try allocating at TASK_UNMAPPED_BASE. */ -- addr = arch_get_unmapped_area_1 (PAGE_ALIGN(TASK_UNMAPPED_BASE), -- len, limit); -+ addr = arch_get_unmapped_area_1 (filp, PAGE_ALIGN(current->mm->mmap_base), len, limit, flags); -+ - if (addr != (unsigned long) -ENOMEM) - return addr; - - /* Finally, try allocating in low memory. */ -- addr = arch_get_unmapped_area_1 (PAGE_SIZE, len, limit); -+ addr = arch_get_unmapped_area_1 (filp, PAGE_SIZE, len, limit, flags); - - return addr; - } -diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c -index 83e9eee..db02682 100644 ---- a/arch/alpha/mm/fault.c -+++ b/arch/alpha/mm/fault.c -@@ -52,6 +52,124 @@ __load_new_mm_context(struct mm_struct *next_mm) - __reload_thread(pcb); - } - -+#ifdef CONFIG_PAX_PAGEEXEC -+/* -+ * PaX: decide what to do with offenders (regs->pc = fault address) -+ * -+ * returns 1 when task should be killed -+ * 2 when patched PLT trampoline was detected -+ * 3 when unpatched PLT trampoline was detected -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ -+#ifdef CONFIG_PAX_EMUPLT -+ int err; -+ -+ do { /* PaX: patched PLT emulation #1 */ -+ unsigned int ldah, ldq, jmp; -+ -+ err = get_user(ldah, (unsigned int *)regs->pc); -+ err |= get_user(ldq, (unsigned int *)(regs->pc+4)); -+ err |= get_user(jmp, (unsigned int *)(regs->pc+8)); -+ -+ if (err) -+ break; -+ -+ if ((ldah & 0xFFFF0000U) == 0x277B0000U && -+ (ldq & 0xFFFF0000U) == 0xA77B0000U && -+ jmp == 0x6BFB0000U) -+ { -+ unsigned long r27, addr; -+ unsigned long addrh = (ldah | 0xFFFFFFFFFFFF0000UL) << 16; -+ unsigned long addrl = ldq | 0xFFFFFFFFFFFF0000UL; -+ -+ addr = regs->r27 + ((addrh ^ 0x80000000UL) + 0x80000000UL) + ((addrl ^ 0x8000UL) + 0x8000UL); -+ err = get_user(r27, (unsigned long *)addr); -+ if (err) -+ break; -+ -+ regs->r27 = r27; -+ regs->pc = r27; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #2 */ -+ unsigned int ldah, lda, br; -+ -+ err = get_user(ldah, (unsigned int *)regs->pc); -+ err |= get_user(lda, (unsigned int *)(regs->pc+4)); -+ err |= get_user(br, (unsigned int *)(regs->pc+8)); -+ -+ if (err) -+ break; -+ -+ if ((ldah & 0xFFFF0000U) == 0x277B0000U && -+ (lda & 0xFFFF0000U) == 0xA77B0000U && -+ (br & 0xFFE00000U) == 0xC3E00000U) -+ { -+ unsigned long addr = br | 0xFFFFFFFFFFE00000UL; -+ unsigned long addrh = (ldah | 0xFFFFFFFFFFFF0000UL) << 16; -+ unsigned long addrl = lda | 0xFFFFFFFFFFFF0000UL; -+ -+ regs->r27 += ((addrh ^ 0x80000000UL) + 0x80000000UL) + ((addrl ^ 0x8000UL) + 0x8000UL); -+ regs->pc += 12 + (((addr ^ 0x00100000UL) + 0x00100000UL) << 2); -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: unpatched PLT emulation */ -+ unsigned int br; -+ -+ err = get_user(br, (unsigned int *)regs->pc); -+ -+ if (!err && (br & 0xFFE00000U) == 0xC3800000U) { -+ unsigned int br2, ldq, nop, jmp; -+ unsigned long addr = br | 0xFFFFFFFFFFE00000UL, resolver; -+ -+ addr = regs->pc + 4 + (((addr ^ 0x00100000UL) + 0x00100000UL) << 2); -+ err = get_user(br2, (unsigned int *)addr); -+ err |= get_user(ldq, (unsigned int *)(addr+4)); -+ err |= get_user(nop, (unsigned int *)(addr+8)); -+ err |= get_user(jmp, (unsigned int *)(addr+12)); -+ err |= get_user(resolver, (unsigned long *)(addr+16)); -+ -+ if (err) -+ break; -+ -+ if (br2 == 0xC3600000U && -+ ldq == 0xA77B000CU && -+ nop == 0x47FF041FU && -+ jmp == 0x6B7B0000U) -+ { -+ regs->r28 = regs->pc+4; -+ regs->r27 = addr+16; -+ regs->pc = resolver; -+ return 3; -+ } -+ } -+ } while (0); -+#endif -+ -+ return 1; -+} -+ -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 5; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif - - /* - * This routine handles page faults. It determines the address, -@@ -132,8 +250,29 @@ do_page_fault(unsigned long address, unsigned long mmcsr, - good_area: - si_code = SEGV_ACCERR; - if (cause < 0) { -- if (!(vma->vm_flags & VM_EXEC)) -+ if (!(vma->vm_flags & VM_EXEC)) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(mm->pax_flags & MF_PAX_PAGEEXEC) || address != regs->pc) -+ goto bad_area; -+ -+ up_read(&mm->mmap_sem); -+ switch (pax_handle_fetch_fault(regs)) { -+ -+#ifdef CONFIG_PAX_EMUPLT -+ case 2: -+ case 3: -+ return; -+#endif -+ -+ } -+ pax_report_fault(regs, (void *)regs->pc, (void *)rdusp()); -+ do_group_exit(SIGKILL); -+#else - goto bad_area; -+#endif -+ -+ } - } else if (!cause) { - /* Allow reads even for write-only mappings */ - if (!(vma->vm_flags & (VM_READ | VM_WRITE))) -diff --git a/arch/arc/kernel/kprobes.c b/arch/arc/kernel/kprobes.c -index 42b0504..6013221 100644 ---- a/arch/arc/kernel/kprobes.c -+++ b/arch/arc/kernel/kprobes.c -@@ -424,6 +424,7 @@ static void __used kretprobe_trampoline_holder(void) - "kretprobe_trampoline:\n" "nop\n"); - } - -+#ifdef CONFIG_KRETPROBES - void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, - struct pt_regs *regs) - { -@@ -433,6 +434,7 @@ void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, - /* Replace the return addr with trampoline addr */ - regs->blink = (unsigned long)&kretprobe_trampoline; - } -+#endif - - static int __kprobes trampoline_probe_handler(struct kprobe *p, - struct pt_regs *regs) -@@ -509,6 +511,7 @@ int __init arch_init_kprobes(void) - return register_kprobe(&trampoline_p); - } - -+#ifdef CONFIG_KRETPROBES - int __kprobes arch_trampoline_kprobe(struct kprobe *p) - { - if (p->addr == (kprobe_opcode_t *) &kretprobe_trampoline) -@@ -516,6 +519,7 @@ int __kprobes arch_trampoline_kprobe(struct kprobe *p) - - return 0; - } -+#endif - - void trap_is_kprobe(unsigned long address, struct pt_regs *regs) - { -diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig -index b5d529f..0bb4d4f 100644 ---- a/arch/arm/Kconfig -+++ b/arch/arm/Kconfig -@@ -1622,6 +1622,7 @@ config AEABI - config OABI_COMPAT - bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)" - depends on AEABI && !THUMB2_KERNEL -+ depends on !GRKERNSEC - help - This option preserves the old syscall interface along with the - new (ARM EABI) one. It also provides a compatibility layer to -@@ -1690,6 +1691,7 @@ config HIGHPTE - config CPU_SW_DOMAIN_PAN - bool "Enable use of CPU domains to implement privileged no-access" - depends on MMU && !ARM_LPAE -+ depends on !PAX_KERNEXEC && !PAX_MEMORY_UDEREF - default y - help - Increase kernel security by ensuring that normal kernel accesses -@@ -1766,7 +1768,7 @@ config ALIGNMENT_TRAP - - config UACCESS_WITH_MEMCPY - bool "Use kernel mem{cpy,set}() for {copy_to,clear}_user()" -- depends on MMU -+ depends on MMU && !PAX_MEMORY_UDEREF - default y if CPU_FEROCEON - help - Implement faster copy_to_user and clear_user methods for CPU -@@ -2021,6 +2023,7 @@ config KEXEC - depends on (!SMP || PM_SLEEP_SMP) - depends on !CPU_V7M - select KEXEC_CORE -+ depends on !GRKERNSEC_KMEM - help - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot -@@ -2065,7 +2068,7 @@ config EFI_STUB - - config EFI - bool "UEFI runtime support" -- depends on OF && !CPU_BIG_ENDIAN && MMU && AUTO_ZRELADDR && !XIP_KERNEL -+ depends on OF && !CPU_BIG_ENDIAN && MMU && AUTO_ZRELADDR && !XIP_KERNEL && !PAX_KERNEXEC - select UCS2_STRING - select EFI_PARAMS_FROM_FDT - select EFI_STUB -diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug -index d83f7c3..a6aba4c 100644 ---- a/arch/arm/Kconfig.debug -+++ b/arch/arm/Kconfig.debug -@@ -7,6 +7,7 @@ config ARM_PTDUMP - depends on DEBUG_KERNEL - depends on MMU - select DEBUG_FS -+ depends on !GRKERNSEC_KMEM - ---help--- - Say Y here if you want to show the kernel pagetable layout in a - debugfs file. This information is only useful for kernel developers -diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile -index d50430c..39509a6 100644 ---- a/arch/arm/boot/compressed/Makefile -+++ b/arch/arm/boot/compressed/Makefile -@@ -24,6 +24,8 @@ endif - - GCOV_PROFILE := n - -+GCC_PLUGINS := n -+ - # - # Architecture dependencies - # -diff --git a/arch/arm/crypto/sha1_glue.c b/arch/arm/crypto/sha1_glue.c -index 6fc73bf..d0af3c7b 100644 ---- a/arch/arm/crypto/sha1_glue.c -+++ b/arch/arm/crypto/sha1_glue.c -@@ -27,8 +27,8 @@ - - #include "sha1.h" - --asmlinkage void sha1_block_data_order(u32 *digest, -- const unsigned char *data, unsigned int rounds); -+asmlinkage void sha1_block_data_order(struct sha1_state *digest, -+ const u8 *data, int rounds); - - int sha1_update_arm(struct shash_desc *desc, const u8 *data, - unsigned int len) -@@ -36,22 +36,20 @@ int sha1_update_arm(struct shash_desc *desc, const u8 *data, - /* make sure casting to sha1_block_fn() is safe */ - BUILD_BUG_ON(offsetof(struct sha1_state, state) != 0); - -- return sha1_base_do_update(desc, data, len, -- (sha1_block_fn *)sha1_block_data_order); -+ return sha1_base_do_update(desc, data, len, sha1_block_data_order); - } - EXPORT_SYMBOL_GPL(sha1_update_arm); - - static int sha1_final(struct shash_desc *desc, u8 *out) - { -- sha1_base_do_finalize(desc, (sha1_block_fn *)sha1_block_data_order); -+ sha1_base_do_finalize(desc, sha1_block_data_order); - return sha1_base_finish(desc, out); - } - - int sha1_finup_arm(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *out) - { -- sha1_base_do_update(desc, data, len, -- (sha1_block_fn *)sha1_block_data_order); -+ sha1_base_do_update(desc, data, len, sha1_block_data_order); - return sha1_final(desc, out); - } - EXPORT_SYMBOL_GPL(sha1_finup_arm); -diff --git a/arch/arm/crypto/sha1_neon_glue.c b/arch/arm/crypto/sha1_neon_glue.c -index 4e22f12..49902aa 100644 ---- a/arch/arm/crypto/sha1_neon_glue.c -+++ b/arch/arm/crypto/sha1_neon_glue.c -@@ -31,8 +31,8 @@ - - #include "sha1.h" - --asmlinkage void sha1_transform_neon(void *state_h, const char *data, -- unsigned int rounds); -+asmlinkage void sha1_transform_neon(struct sha1_state *state_h, const u8 *data, -+ int rounds); - - static int sha1_neon_update(struct shash_desc *desc, const u8 *data, - unsigned int len) -@@ -45,7 +45,7 @@ static int sha1_neon_update(struct shash_desc *desc, const u8 *data, - - kernel_neon_begin(); - sha1_base_do_update(desc, data, len, -- (sha1_block_fn *)sha1_transform_neon); -+ sha1_transform_neon); - kernel_neon_end(); - - return 0; -@@ -60,8 +60,8 @@ static int sha1_neon_finup(struct shash_desc *desc, const u8 *data, - kernel_neon_begin(); - if (len) - sha1_base_do_update(desc, data, len, -- (sha1_block_fn *)sha1_transform_neon); -- sha1_base_do_finalize(desc, (sha1_block_fn *)sha1_transform_neon); -+ sha1_transform_neon); -+ sha1_base_do_finalize(desc, sha1_transform_neon); - kernel_neon_end(); - - return sha1_base_finish(desc, out); -diff --git a/arch/arm/crypto/sha256_glue.c b/arch/arm/crypto/sha256_glue.c -index a84e869..53a0c61 100644 ---- a/arch/arm/crypto/sha256_glue.c -+++ b/arch/arm/crypto/sha256_glue.c -@@ -30,8 +30,8 @@ - - #include "sha256_glue.h" - --asmlinkage void sha256_block_data_order(u32 *digest, const void *data, -- unsigned int num_blks); -+asmlinkage void sha256_block_data_order(struct sha256_state *digest, const u8 *data, -+ int num_blks); - - int crypto_sha256_arm_update(struct shash_desc *desc, const u8 *data, - unsigned int len) -@@ -39,23 +39,20 @@ int crypto_sha256_arm_update(struct shash_desc *desc, const u8 *data, - /* make sure casting to sha256_block_fn() is safe */ - BUILD_BUG_ON(offsetof(struct sha256_state, state) != 0); - -- return sha256_base_do_update(desc, data, len, -- (sha256_block_fn *)sha256_block_data_order); -+ return sha256_base_do_update(desc, data, len, sha256_block_data_order); - } - EXPORT_SYMBOL(crypto_sha256_arm_update); - - static int sha256_final(struct shash_desc *desc, u8 *out) - { -- sha256_base_do_finalize(desc, -- (sha256_block_fn *)sha256_block_data_order); -+ sha256_base_do_finalize(desc, sha256_block_data_order); - return sha256_base_finish(desc, out); - } - - int crypto_sha256_arm_finup(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *out) - { -- sha256_base_do_update(desc, data, len, -- (sha256_block_fn *)sha256_block_data_order); -+ sha256_base_do_update(desc, data, len, sha256_block_data_order); - return sha256_final(desc, out); - } - EXPORT_SYMBOL(crypto_sha256_arm_finup); -diff --git a/arch/arm/crypto/sha256_neon_glue.c b/arch/arm/crypto/sha256_neon_glue.c -index 39ccd65..f9511cb 100644 ---- a/arch/arm/crypto/sha256_neon_glue.c -+++ b/arch/arm/crypto/sha256_neon_glue.c -@@ -26,8 +26,8 @@ - - #include "sha256_glue.h" - --asmlinkage void sha256_block_data_order_neon(u32 *digest, const void *data, -- unsigned int num_blks); -+asmlinkage void sha256_block_data_order_neon(struct sha256_state *digest, const u8 *data, -+ int num_blks); - - static int sha256_update(struct shash_desc *desc, const u8 *data, - unsigned int len) -@@ -39,8 +39,7 @@ static int sha256_update(struct shash_desc *desc, const u8 *data, - return crypto_sha256_arm_update(desc, data, len); - - kernel_neon_begin(); -- sha256_base_do_update(desc, data, len, -- (sha256_block_fn *)sha256_block_data_order_neon); -+ sha256_base_do_update(desc, data, len, sha256_block_data_order_neon); - kernel_neon_end(); - - return 0; -@@ -54,10 +53,8 @@ static int sha256_finup(struct shash_desc *desc, const u8 *data, - - kernel_neon_begin(); - if (len) -- sha256_base_do_update(desc, data, len, -- (sha256_block_fn *)sha256_block_data_order_neon); -- sha256_base_do_finalize(desc, -- (sha256_block_fn *)sha256_block_data_order_neon); -+ sha256_base_do_update(desc, data, len, sha256_block_data_order_neon); -+ sha256_base_do_finalize(desc, sha256_block_data_order_neon); - kernel_neon_end(); - - return sha256_base_finish(desc, out); -diff --git a/arch/arm/crypto/sha512-glue.c b/arch/arm/crypto/sha512-glue.c -index 269a394..c7a91f1 100644 ---- a/arch/arm/crypto/sha512-glue.c -+++ b/arch/arm/crypto/sha512-glue.c -@@ -28,27 +28,24 @@ MODULE_ALIAS_CRYPTO("sha512"); - MODULE_ALIAS_CRYPTO("sha384-arm"); - MODULE_ALIAS_CRYPTO("sha512-arm"); - --asmlinkage void sha512_block_data_order(u64 *state, u8 const *src, int blocks); -+asmlinkage void sha512_block_data_order(struct sha512_state *state, u8 const *src, int blocks); - - int sha512_arm_update(struct shash_desc *desc, const u8 *data, - unsigned int len) - { -- return sha512_base_do_update(desc, data, len, -- (sha512_block_fn *)sha512_block_data_order); -+ return sha512_base_do_update(desc, data, len, sha512_block_data_order); - } - - int sha512_arm_final(struct shash_desc *desc, u8 *out) - { -- sha512_base_do_finalize(desc, -- (sha512_block_fn *)sha512_block_data_order); -+ sha512_base_do_finalize(desc, sha512_block_data_order); - return sha512_base_finish(desc, out); - } - - int sha512_arm_finup(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *out) - { -- sha512_base_do_update(desc, data, len, -- (sha512_block_fn *)sha512_block_data_order); -+ sha512_base_do_update(desc, data, len, sha512_block_data_order); - return sha512_arm_final(desc, out); - } - -diff --git a/arch/arm/crypto/sha512-neon-glue.c b/arch/arm/crypto/sha512-neon-glue.c -index 3269368..9fcbc00 100644 ---- a/arch/arm/crypto/sha512-neon-glue.c -+++ b/arch/arm/crypto/sha512-neon-glue.c -@@ -22,7 +22,7 @@ - MODULE_ALIAS_CRYPTO("sha384-neon"); - MODULE_ALIAS_CRYPTO("sha512-neon"); - --asmlinkage void sha512_block_data_order_neon(u64 *state, u8 const *src, -+asmlinkage void sha512_block_data_order_neon(struct sha512_state *state, u8 const *src, - int blocks); - - static int sha512_neon_update(struct shash_desc *desc, const u8 *data, -@@ -35,8 +35,7 @@ static int sha512_neon_update(struct shash_desc *desc, const u8 *data, - return sha512_arm_update(desc, data, len); - - kernel_neon_begin(); -- sha512_base_do_update(desc, data, len, -- (sha512_block_fn *)sha512_block_data_order_neon); -+ sha512_base_do_update(desc, data, len, sha512_block_data_order_neon); - kernel_neon_end(); - - return 0; -@@ -50,10 +49,8 @@ static int sha512_neon_finup(struct shash_desc *desc, const u8 *data, - - kernel_neon_begin(); - if (len) -- sha512_base_do_update(desc, data, len, -- (sha512_block_fn *)sha512_block_data_order_neon); -- sha512_base_do_finalize(desc, -- (sha512_block_fn *)sha512_block_data_order_neon); -+ sha512_base_do_update(desc, data, len, sha512_block_data_order_neon); -+ sha512_base_do_finalize(desc, sha512_block_data_order_neon); - kernel_neon_end(); - - return sha512_base_finish(desc, out); -diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h -index 66d0e21..8fa3237 100644 ---- a/arch/arm/include/asm/atomic.h -+++ b/arch/arm/include/asm/atomic.h -@@ -18,17 +18,41 @@ - #include - #include - -+#ifdef CONFIG_GENERIC_ATOMIC64 -+#include -+#endif -+ - #define ATOMIC_INIT(i) { (i) } - - #ifdef __KERNEL__ - -+#ifdef CONFIG_THUMB2_KERNEL -+#define REFCOUNT_TRAP_INSN "bkpt 0xf1" -+#else -+#define REFCOUNT_TRAP_INSN "bkpt 0xf103" -+#endif -+ -+#define _ASM_EXTABLE(from, to) \ -+" .pushsection __ex_table,\"a\"\n"\ -+" .align 3\n" \ -+" .long " #from ", " #to"\n" \ -+" .popsection" -+ - /* - * On ARM, ordinary assignment (str instruction) doesn't clear the local - * strex/ldrex monitor on some implementations. The reason we can use it for - * atomic_set() is the clrex or dummy strex done on every exception return. - */ - #define atomic_read(v) READ_ONCE((v)->counter) -+static inline int atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ return READ_ONCE(v->counter); -+} - #define atomic_set(v,i) WRITE_ONCE(((v)->counter), (i)) -+static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i) -+{ -+ WRITE_ONCE(v->counter, i); -+} - - #if __LINUX_ARM_ARCH__ >= 6 - -@@ -38,45 +62,74 @@ - * to ensure that the update happens. - */ - --#define ATOMIC_OP(op, c_op, asm_op) \ --static inline void atomic_##op(int i, atomic_t *v) \ -+#ifdef CONFIG_PAX_REFCOUNT -+#define __OVERFLOW_POST \ -+ " bvc 3f\n" \ -+ "2: " REFCOUNT_TRAP_INSN "\n"\ -+ "3:\n" -+#define __OVERFLOW_POST_RETURN \ -+ " bvc 3f\n" \ -+ " mov %1, %0\n" \ -+ "2: " REFCOUNT_TRAP_INSN "\n"\ -+ "3:\n" -+#define __OVERFLOW_EXTABLE \ -+ "4:\n" \ -+ _ASM_EXTABLE(2b, 4b) -+#else -+#define __OVERFLOW_POST -+#define __OVERFLOW_POST_RETURN -+#define __OVERFLOW_EXTABLE -+#endif -+ -+#define __ATOMIC_OP(op, suffix, c_op, asm_op) \ -+static inline void atomic_##op##suffix(int i, atomic##suffix##_t *v) \ - { \ - unsigned long tmp; \ - int result; \ - \ - prefetchw(&v->counter); \ -- __asm__ __volatile__("@ atomic_" #op "\n" \ -+ __asm__ __volatile__("@ atomic_" #op #suffix "\n" \ - "1: ldrex %0, [%3]\n" \ - " " #asm_op " %0, %0, %4\n" \ -+ __OVERFLOW_POST \ - " strex %1, %0, [%3]\n" \ - " teq %1, #0\n" \ --" bne 1b" \ -+" bne 1b\n" \ -+ __OVERFLOW_EXTABLE \ - : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) \ - : "r" (&v->counter), "Ir" (i) \ - : "cc"); \ - } \ - --#define ATOMIC_OP_RETURN(op, c_op, asm_op) \ --static inline int atomic_##op##_return_relaxed(int i, atomic_t *v) \ -+#define ATOMIC_OP(op, c_op, asm_op) __ATOMIC_OP(op, _unchecked, c_op, asm_op)\ -+ __ATOMIC_OP(op, , c_op, asm_op##s) -+ -+#define __ATOMIC_OP_RETURN(op, suffix, c_op, asm_op) \ -+static inline int atomic_##op##_return##suffix##_relaxed(int i, atomic##suffix##_t *v)\ - { \ -- unsigned long tmp; \ -+ int tmp; \ - int result; \ - \ - prefetchw(&v->counter); \ - \ -- __asm__ __volatile__("@ atomic_" #op "_return\n" \ -+ __asm__ __volatile__("@ atomic_" #op "_return" #suffix "\n" \ - "1: ldrex %0, [%3]\n" \ --" " #asm_op " %0, %0, %4\n" \ --" strex %1, %0, [%3]\n" \ --" teq %1, #0\n" \ --" bne 1b" \ -- : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) \ -+" " #asm_op " %1, %0, %4\n" \ -+ __OVERFLOW_POST_RETURN \ -+" strex %0, %1, [%3]\n" \ -+" teq %0, #0\n" \ -+" bne 1b\n" \ -+ __OVERFLOW_EXTABLE \ -+ : "=&r" (tmp), "=&r" (result), "+Qo" (v->counter) \ - : "r" (&v->counter), "Ir" (i) \ - : "cc"); \ - \ - return result; \ - } - -+#define ATOMIC_OP_RETURN(op, c_op, asm_op) __ATOMIC_OP_RETURN(op, _unchecked, c_op, asm_op)\ -+ __ATOMIC_OP_RETURN(op, , c_op, asm_op##s) -+ - #define ATOMIC_FETCH_OP(op, c_op, asm_op) \ - static inline int atomic_fetch_##op##_relaxed(int i, atomic_t *v) \ - { \ -@@ -99,6 +152,7 @@ static inline int atomic_fetch_##op##_relaxed(int i, atomic_t *v) \ - } - - #define atomic_add_return_relaxed atomic_add_return_relaxed -+#define atomic_add_return_unchecked_relaxed atomic_add_return_unchecked_relaxed - #define atomic_sub_return_relaxed atomic_sub_return_relaxed - #define atomic_fetch_add_relaxed atomic_fetch_add_relaxed - #define atomic_fetch_sub_relaxed atomic_fetch_sub_relaxed -@@ -141,12 +195,17 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u) - __asm__ __volatile__ ("@ atomic_add_unless\n" - "1: ldrex %0, [%4]\n" - " teq %0, %5\n" --" beq 2f\n" --" add %1, %0, %6\n" -+" beq 4f\n" -+" adds %1, %0, %6\n" -+ -+ __OVERFLOW_POST -+ - " strex %2, %1, [%4]\n" - " teq %2, #0\n" - " bne 1b\n" --"2:" -+ -+ __OVERFLOW_EXTABLE -+ - : "=&r" (oldval), "=&r" (newval), "=&r" (tmp), "+Qo" (v->counter) - : "r" (&v->counter), "r" (u), "r" (a) - : "cc"); -@@ -157,14 +216,36 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u) - return oldval; - } - -+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *ptr, int old, int new) -+{ -+ unsigned long oldval, res; -+ -+ smp_mb(); -+ -+ do { -+ __asm__ __volatile__("@ atomic_cmpxchg_unchecked\n" -+ "ldrex %1, [%3]\n" -+ "mov %0, #0\n" -+ "teq %1, %4\n" -+ "strexeq %0, %5, [%3]\n" -+ : "=&r" (res), "=&r" (oldval), "+Qo" (ptr->counter) -+ : "r" (&ptr->counter), "Ir" (old), "r" (new) -+ : "cc"); -+ } while (res); -+ -+ smp_mb(); -+ -+ return oldval; -+} -+ - #else /* ARM_ARCH_6 */ - - #ifdef CONFIG_SMP - #error SMP not supported on pre-ARMv6 CPUs - #endif - --#define ATOMIC_OP(op, c_op, asm_op) \ --static inline void atomic_##op(int i, atomic_t *v) \ -+#define __ATOMIC_OP(op, suffix, c_op, asm_op) \ -+static inline void atomic_##op##suffix(int i, atomic##suffix##_t *v) \ - { \ - unsigned long flags; \ - \ -@@ -173,8 +254,11 @@ static inline void atomic_##op(int i, atomic_t *v) \ - raw_local_irq_restore(flags); \ - } \ - --#define ATOMIC_OP_RETURN(op, c_op, asm_op) \ --static inline int atomic_##op##_return(int i, atomic_t *v) \ -+#define ATOMIC_OP(op, c_op, asm_op) __ATOMIC_OP(op, , c_op, asm_op) \ -+ __ATOMIC_OP(op, _unchecked, c_op, asm_op) -+ -+#define __ATOMIC_OP_RETURN(op, suffix, c_op, asm_op) \ -+static inline int atomic_##op##_return##suffix(int i, atomic##suffix##_t *v)\ - { \ - unsigned long flags; \ - int val; \ -@@ -201,6 +285,9 @@ static inline int atomic_fetch_##op(int i, atomic_t *v) \ - return val; \ - } - -+#define ATOMIC_OP_RETURN(op, c_op, asm_op) __ATOMIC_OP_RETURN(op, , c_op, asm_op)\ -+ __ATOMIC_OP_RETURN(op, _unchecked, c_op, asm_op) -+ - static inline int atomic_cmpxchg(atomic_t *v, int old, int new) - { - int ret; -@@ -215,6 +302,11 @@ static inline int atomic_cmpxchg(atomic_t *v, int old, int new) - return ret; - } - -+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new) -+{ -+ return atomic_cmpxchg((atomic_t *)v, old, new); -+} -+ - static inline int __atomic_add_unless(atomic_t *v, int a, int u) - { - int c, old; -@@ -250,16 +342,29 @@ ATOMIC_OPS(xor, ^=, eor) - #undef ATOMIC_OPS - #undef ATOMIC_FETCH_OP - #undef ATOMIC_OP_RETURN -+#undef __ATOMIC_OP_RETURN - #undef ATOMIC_OP -+#undef __ATOMIC_OP - - #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) -+#define atomic_xchg_unchecked(v, new) (xchg_unchecked(&((v)->counter), new)) - - #define atomic_inc(v) atomic_add(1, v) -+static inline void atomic_inc_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_add_unchecked(1, v); -+} - #define atomic_dec(v) atomic_sub(1, v) -+static inline void atomic_dec_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_sub_unchecked(1, v); -+} - - #define atomic_inc_and_test(v) (atomic_add_return(1, v) == 0) -+#define atomic_inc_and_test_unchecked(v) (atomic_add_return_unchecked(1, v) == 0) - #define atomic_dec_and_test(v) (atomic_sub_return(1, v) == 0) - #define atomic_inc_return_relaxed(v) (atomic_add_return_relaxed(1, v)) -+#define atomic_inc_return_unchecked_relaxed(v) (atomic_add_return_unchecked_relaxed(1, v)) - #define atomic_dec_return_relaxed(v) (atomic_sub_return_relaxed(1, v)) - #define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0) - -@@ -270,6 +375,14 @@ typedef struct { - long long counter; - } atomic64_t; - -+#ifdef CONFIG_PAX_REFCOUNT -+typedef struct { -+ long long counter; -+} atomic64_unchecked_t; -+#else -+typedef atomic64_t atomic64_unchecked_t; -+#endif -+ - #define ATOMIC64_INIT(i) { (i) } - - #ifdef CONFIG_ARM_LPAE -@@ -286,6 +399,19 @@ static inline long long atomic64_read(const atomic64_t *v) - return result; - } - -+static inline long long atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ long long result; -+ -+ __asm__ __volatile__("@ atomic64_read_unchecked\n" -+" ldrd %0, %H0, [%1]" -+ : "=&r" (result) -+ : "r" (&v->counter), "Qo" (v->counter) -+ ); -+ -+ return result; -+} -+ - static inline void atomic64_set(atomic64_t *v, long long i) - { - __asm__ __volatile__("@ atomic64_set\n" -@@ -294,6 +420,15 @@ static inline void atomic64_set(atomic64_t *v, long long i) - : "r" (&v->counter), "r" (i) - ); - } -+ -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long long i) -+{ -+ __asm__ __volatile__("@ atomic64_set_unchecked\n" -+" strd %2, %H2, [%1]" -+ : "=Qo" (v->counter) -+ : "r" (&v->counter), "r" (i) -+ ); -+} - #else - static inline long long atomic64_read(const atomic64_t *v) - { -@@ -308,6 +443,19 @@ static inline long long atomic64_read(const atomic64_t *v) - return result; - } - -+static inline long long atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ long long result; -+ -+ __asm__ __volatile__("@ atomic64_read_unchecked\n" -+" ldrexd %0, %H0, [%1]" -+ : "=&r" (result) -+ : "r" (&v->counter), "Qo" (v->counter) -+ ); -+ -+ return result; -+} -+ - static inline void atomic64_set(atomic64_t *v, long long i) - { - long long tmp; -@@ -322,50 +470,82 @@ static inline void atomic64_set(atomic64_t *v, long long i) - : "r" (&v->counter), "r" (i) - : "cc"); - } -+ -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long long i) -+{ -+ long long tmp; -+ -+ prefetchw(&v->counter); -+ __asm__ __volatile__("@ atomic64_set_unchecked\n" -+"1: ldrexd %0, %H0, [%2]\n" -+" strexd %0, %3, %H3, [%2]\n" -+" teq %0, #0\n" -+" bne 1b" -+ : "=&r" (tmp), "=Qo" (v->counter) -+ : "r" (&v->counter), "r" (i) -+ : "cc"); -+} - #endif - --#define ATOMIC64_OP(op, op1, op2) \ --static inline void atomic64_##op(long long i, atomic64_t *v) \ -+#define __OVERFLOW_POST_RETURN64 \ -+ " bvc 3f\n" \ -+" mov %Q1, %Q0\n" \ -+" mov %R1, %R0\n" \ -+ "2: " REFCOUNT_TRAP_INSN "\n"\ -+ "3:\n" -+ -+#define __ATOMIC64_OP(op, suffix, op1, op2) \ -+static inline void atomic64_##op##suffix(long long i, atomic64##suffix##_t *v)\ - { \ - long long result; \ - unsigned long tmp; \ - \ - prefetchw(&v->counter); \ -- __asm__ __volatile__("@ atomic64_" #op "\n" \ -+ __asm__ __volatile__("@ atomic64_" #op #suffix "\n" \ - "1: ldrexd %0, %H0, [%3]\n" \ - " " #op1 " %Q0, %Q0, %Q4\n" \ - " " #op2 " %R0, %R0, %R4\n" \ -+ __OVERFLOW_POST \ - " strexd %1, %0, %H0, [%3]\n" \ - " teq %1, #0\n" \ --" bne 1b" \ -+" bne 1b\n" \ -+ __OVERFLOW_EXTABLE \ - : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) \ - : "r" (&v->counter), "r" (i) \ - : "cc"); \ - } \ - --#define ATOMIC64_OP_RETURN(op, op1, op2) \ -+#define ATOMIC64_OP(op, op1, op2) __ATOMIC64_OP(op, _unchecked, op1, op2) \ -+ __ATOMIC64_OP(op, , op1, op2##s) -+ -+#define __ATOMIC64_OP_RETURN(op, suffix, op1, op2) \ - static inline long long \ --atomic64_##op##_return_relaxed(long long i, atomic64_t *v) \ -+atomic64_##op##_return##suffix##_relaxed(long long i, atomic64##suffix##_t *v) \ - { \ - long long result; \ -- unsigned long tmp; \ -+ long long tmp; \ - \ - prefetchw(&v->counter); \ - \ -- __asm__ __volatile__("@ atomic64_" #op "_return\n" \ -+ __asm__ __volatile__("@ atomic64_" #op "_return" #suffix "\n" \ - "1: ldrexd %0, %H0, [%3]\n" \ --" " #op1 " %Q0, %Q0, %Q4\n" \ --" " #op2 " %R0, %R0, %R4\n" \ --" strexd %1, %0, %H0, [%3]\n" \ --" teq %1, #0\n" \ --" bne 1b" \ -- : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) \ -+" " #op1 " %Q1, %Q0, %Q4\n" \ -+" " #op2 " %R1, %R0, %R4\n" \ -+ __OVERFLOW_POST_RETURN64 \ -+" strexd %0, %1, %H1, [%3]\n" \ -+" teq %0, #0\n" \ -+" bne 1b\n" \ -+ __OVERFLOW_EXTABLE \ -+ : "=&r" (tmp), "=&r" (result), "+Qo" (v->counter) \ - : "r" (&v->counter), "r" (i) \ - : "cc"); \ - \ - return result; \ - } - -+#define ATOMIC64_OP_RETURN(op, op1, op2) __ATOMIC64_OP_RETURN(op, _unchecked, op1, op2) \ -+ __ATOMIC64_OP_RETURN(op, , op1, op2##s) -+ - #define ATOMIC64_FETCH_OP(op, op1, op2) \ - static inline long long \ - atomic64_fetch_##op##_relaxed(long long i, atomic64_t *v) \ -@@ -398,6 +578,7 @@ ATOMIC64_OPS(add, adds, adc) - ATOMIC64_OPS(sub, subs, sbc) - - #define atomic64_add_return_relaxed atomic64_add_return_relaxed -+#define atomic64_add_return_unchecked_relaxed atomic64_add_return_unchecked_relaxed - #define atomic64_sub_return_relaxed atomic64_sub_return_relaxed - #define atomic64_fetch_add_relaxed atomic64_fetch_add_relaxed - #define atomic64_fetch_sub_relaxed atomic64_fetch_sub_relaxed -@@ -422,7 +603,10 @@ ATOMIC64_OPS(xor, eor, eor) - #undef ATOMIC64_OPS - #undef ATOMIC64_FETCH_OP - #undef ATOMIC64_OP_RETURN -+#undef __ATOMIC64_OP_RETURN - #undef ATOMIC64_OP -+#undef __ATOMIC64_OP -+#undef __OVERFLOW_POST_RETURN - - static inline long long - atomic64_cmpxchg_relaxed(atomic64_t *ptr, long long old, long long new) -@@ -448,6 +632,13 @@ atomic64_cmpxchg_relaxed(atomic64_t *ptr, long long old, long long new) - } - #define atomic64_cmpxchg_relaxed atomic64_cmpxchg_relaxed - -+static inline long long -+atomic64_cmpxchg_unchecked_relaxed(atomic64_unchecked_t *ptr, long long old, long long new) -+{ -+ return atomic64_cmpxchg_relaxed((atomic64_t *)ptr, old, new); -+} -+#define atomic64_cmpxchg_unchecked_relaxed atomic64_cmpxchg_unchecked_relaxed -+ - static inline long long atomic64_xchg_relaxed(atomic64_t *ptr, long long new) - { - long long result; -@@ -468,25 +659,36 @@ static inline long long atomic64_xchg_relaxed(atomic64_t *ptr, long long new) - } - #define atomic64_xchg_relaxed atomic64_xchg_relaxed - -+static inline long long atomic64_xchg_unchecked_relaxed(atomic64_unchecked_t *ptr, long long new) -+{ -+ return atomic64_xchg_relaxed((atomic64_t *)ptr, new); -+} -+#define atomic64_xchg_unchecked_relaxed atomic64_xchg_unchecked_relaxed -+ - static inline long long atomic64_dec_if_positive(atomic64_t *v) - { - long long result; -- unsigned long tmp; -+ u64 tmp; - - smp_mb(); - prefetchw(&v->counter); - - __asm__ __volatile__("@ atomic64_dec_if_positive\n" - "1: ldrexd %0, %H0, [%3]\n" --" subs %Q0, %Q0, #1\n" --" sbc %R0, %R0, #0\n" --" teq %R0, #0\n" --" bmi 2f\n" --" strexd %1, %0, %H0, [%3]\n" --" teq %1, #0\n" -+" subs %Q1, %Q0, #1\n" -+" sbcs %R1, %R0, #0\n" -+ -+ __OVERFLOW_POST_RETURN64 -+ -+" teq %R1, #0\n" -+" bmi 4f\n" -+" strexd %0, %1, %H1, [%3]\n" -+" teq %0, #0\n" - " bne 1b\n" --"2:" -- : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) -+ -+ __OVERFLOW_EXTABLE -+ -+ : "=&r" (tmp), "=&r" (result), "+Qo" (v->counter) - : "r" (&v->counter) - : "cc"); - -@@ -509,13 +711,18 @@ static inline int atomic64_add_unless(atomic64_t *v, long long a, long long u) - " teq %0, %5\n" - " teqeq %H0, %H5\n" - " moveq %1, #0\n" --" beq 2f\n" -+" beq 4f\n" - " adds %Q0, %Q0, %Q6\n" --" adc %R0, %R0, %R6\n" -+" adcs %R0, %R0, %R6\n" -+ -+ __OVERFLOW_POST -+ - " strexd %2, %0, %H0, [%4]\n" - " teq %2, #0\n" - " bne 1b\n" --"2:" -+ -+ __OVERFLOW_EXTABLE -+ - : "=&r" (val), "+r" (ret), "=&r" (tmp), "+Qo" (v->counter) - : "r" (&v->counter), "r" (u), "r" (a) - : "cc"); -@@ -526,12 +733,19 @@ static inline int atomic64_add_unless(atomic64_t *v, long long a, long long u) - return ret; - } - -+#undef __OVERFLOW_EXTABLE -+#undef __OVERFLOW_POST_RETURN64 -+#undef __OVERFLOW_POST -+ - #define atomic64_add_negative(a, v) (atomic64_add_return((a), (v)) < 0) - #define atomic64_inc(v) atomic64_add(1LL, (v)) -+#define atomic64_inc_unchecked(v) atomic64_add_unchecked(1LL, (v)) - #define atomic64_inc_return_relaxed(v) atomic64_add_return_relaxed(1LL, (v)) -+#define atomic64_inc_return_unchecked_relaxed(v) atomic64_add_return_unchecked_relaxed(1LL, (v)) - #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0) - #define atomic64_sub_and_test(a, v) (atomic64_sub_return((a), (v)) == 0) - #define atomic64_dec(v) atomic64_sub(1LL, (v)) -+#define atomic64_dec_unchecked(v) atomic64_sub_unchecked(1LL, (v)) - #define atomic64_dec_return_relaxed(v) atomic64_sub_return_relaxed(1LL, (v)) - #define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0) - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1LL, 0LL) -diff --git a/arch/arm/include/asm/cache.h b/arch/arm/include/asm/cache.h -index 75fe66b..2255c86 100644 ---- a/arch/arm/include/asm/cache.h -+++ b/arch/arm/include/asm/cache.h -@@ -4,8 +4,10 @@ - #ifndef __ASMARM_CACHE_H - #define __ASMARM_CACHE_H - -+#include -+ - #define L1_CACHE_SHIFT CONFIG_ARM_L1_CACHE_SHIFT --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - /* - * Memory returned by kmalloc() may be used for DMA, so we must make -diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h -index bdd283b..e66fb83 100644 ---- a/arch/arm/include/asm/cacheflush.h -+++ b/arch/arm/include/asm/cacheflush.h -@@ -116,7 +116,7 @@ struct cpu_cache_fns { - void (*dma_unmap_area)(const void *, size_t, int); - - void (*dma_flush_range)(const void *, const void *); --}; -+} __no_const __no_randomize_layout; - - /* - * Select the calling method -diff --git a/arch/arm/include/asm/checksum.h b/arch/arm/include/asm/checksum.h -index 524692f..a8871ec 100644 ---- a/arch/arm/include/asm/checksum.h -+++ b/arch/arm/include/asm/checksum.h -@@ -37,7 +37,19 @@ __wsum - csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum); - - __wsum --csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err_ptr); -+__csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err_ptr); -+ -+static inline __wsum -+csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err_ptr) -+{ -+ __wsum ret; -+ pax_open_userland(); -+ ret = __csum_partial_copy_from_user(src, dst, len, sum, err_ptr); -+ pax_close_userland(); -+ return ret; -+} -+ -+ - - /* - * Fold a partial checksum without adding pseudo headers -diff --git a/arch/arm/include/asm/cmpxchg.h b/arch/arm/include/asm/cmpxchg.h -index 97882f9..ff9d6ac 100644 ---- a/arch/arm/include/asm/cmpxchg.h -+++ b/arch/arm/include/asm/cmpxchg.h -@@ -117,6 +117,10 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size - (__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), \ - sizeof(*(ptr))); \ - }) -+#define xchg_unchecked_relaxed(ptr, x) ({ \ -+ (__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), \ -+ sizeof(*(ptr))); \ -+}) - - #include - -@@ -128,6 +132,7 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size - #endif - - #define xchg xchg_relaxed -+#define xchg_unchecked xchg_unchecked_relaxed - - /* - * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make -diff --git a/arch/arm/include/asm/cpuidle.h b/arch/arm/include/asm/cpuidle.h -index baefe1d..29cb35a 100644 ---- a/arch/arm/include/asm/cpuidle.h -+++ b/arch/arm/include/asm/cpuidle.h -@@ -32,7 +32,7 @@ struct device_node; - struct cpuidle_ops { - int (*suspend)(unsigned long arg); - int (*init)(struct device_node *, int cpu); --}; -+} __no_const; - - struct of_cpuidle_method { - const char *method; -diff --git a/arch/arm/include/asm/domain.h b/arch/arm/include/asm/domain.h -index 99d9f63..ec44cb5 100644 ---- a/arch/arm/include/asm/domain.h -+++ b/arch/arm/include/asm/domain.h -@@ -42,7 +42,6 @@ - #define DOMAIN_USER 1 - #define DOMAIN_IO 0 - #endif --#define DOMAIN_VECTORS 3 - - /* - * Domain types -@@ -51,9 +50,28 @@ - #define DOMAIN_CLIENT 1 - #ifdef CONFIG_CPU_USE_DOMAINS - #define DOMAIN_MANAGER 3 -+#define DOMAIN_VECTORS 3 -+#define DOMAIN_USERCLIENT DOMAIN_CLIENT - #else -+ -+#ifdef CONFIG_PAX_KERNEXEC - #define DOMAIN_MANAGER 1 -+#define DOMAIN_KERNEXEC 3 -+#else -+#define DOMAIN_MANAGER 1 -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+#define DOMAIN_USERCLIENT 0 -+#define DOMAIN_UDEREF 1 -+#define DOMAIN_VECTORS DOMAIN_KERNEL -+#else -+#define DOMAIN_USERCLIENT 1 -+#define DOMAIN_VECTORS DOMAIN_USER -+#endif -+ - #endif -+#define DOMAIN_KERNELCLIENT 1 - - #define domain_mask(dom) ((3) << (2 * (dom))) - #define domain_val(dom,type) ((type) << (2 * (dom))) -@@ -62,13 +80,19 @@ - #define DACR_INIT \ - (domain_val(DOMAIN_USER, DOMAIN_NOACCESS) | \ - domain_val(DOMAIN_KERNEL, DOMAIN_MANAGER) | \ -- domain_val(DOMAIN_IO, DOMAIN_CLIENT) | \ -+ domain_val(DOMAIN_IO, DOMAIN_KERNELCLIENT) | \ - domain_val(DOMAIN_VECTORS, DOMAIN_CLIENT)) -+#elif defined(CONFIG_PAX_MEMORY_UDEREF) -+ /* DOMAIN_VECTORS is defined to DOMAIN_KERNEL */ -+#define DACR_INIT \ -+ (domain_val(DOMAIN_USER, DOMAIN_USERCLIENT) | \ -+ domain_val(DOMAIN_KERNEL, DOMAIN_MANAGER) | \ -+ domain_val(DOMAIN_IO, DOMAIN_KERNELCLIENT)) - #else - #define DACR_INIT \ -- (domain_val(DOMAIN_USER, DOMAIN_CLIENT) | \ -+ (domain_val(DOMAIN_USER, DOMAIN_USERCLIENT) | \ - domain_val(DOMAIN_KERNEL, DOMAIN_MANAGER) | \ -- domain_val(DOMAIN_IO, DOMAIN_CLIENT) | \ -+ domain_val(DOMAIN_IO, DOMAIN_KERNELCLIENT) | \ - domain_val(DOMAIN_VECTORS, DOMAIN_CLIENT)) - #endif - -@@ -124,6 +148,17 @@ static inline void set_domain(unsigned val) - set_domain(domain); \ - } while (0) - -+#elif defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+#define modify_domain(dom,type) \ -+ do { \ -+ struct thread_info *thread = current_thread_info(); \ -+ unsigned int domain = get_domain(); \ -+ domain &= ~domain_mask(dom); \ -+ domain = domain | domain_val(dom, type); \ -+ thread->cpu_domain = domain; \ -+ set_domain(domain); \ -+ } while (0) -+ - #else - static inline void modify_domain(unsigned dom, unsigned type) { } - #endif -diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h -index d2315ff..f60b47b 100644 ---- a/arch/arm/include/asm/elf.h -+++ b/arch/arm/include/asm/elf.h -@@ -117,7 +117,14 @@ int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs); - the loader. We need to make sure that it is out of the way of the program - that it will "exec", and that there is sufficient room for the brk. */ - --#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) -+#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) -+ -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE 0x00008000UL -+ -+#define PAX_DELTA_MMAP_LEN ((current->personality == PER_LINUX_32BIT) ? 16 : 10) -+#define PAX_DELTA_STACK_LEN ((current->personality == PER_LINUX_32BIT) ? 16 : 10) -+#endif - - /* When the program starts, a1 contains a pointer to a function to be - registered with atexit, as per the SVR4 ABI. A value of 0 means we -diff --git a/arch/arm/include/asm/fncpy.h b/arch/arm/include/asm/fncpy.h -index de53547..52b9a28 100644 ---- a/arch/arm/include/asm/fncpy.h -+++ b/arch/arm/include/asm/fncpy.h -@@ -81,7 +81,9 @@ - BUG_ON((uintptr_t)(dest_buf) & (FNCPY_ALIGN - 1) || \ - (__funcp_address & ~(uintptr_t)1 & (FNCPY_ALIGN - 1))); \ - \ -+ pax_open_kernel(); \ - memcpy(dest_buf, (void const *)(__funcp_address & ~1), size); \ -+ pax_close_kernel(); \ - flush_icache_range((unsigned long)(dest_buf), \ - (unsigned long)(dest_buf) + (size)); \ - \ -diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h -index 6795368..6c4d749 100644 ---- a/arch/arm/include/asm/futex.h -+++ b/arch/arm/include/asm/futex.h -@@ -107,6 +107,7 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, - return -EFAULT; - - preempt_disable(); -+ - __ua_flags = uaccess_save_and_enable(); - __asm__ __volatile__("@futex_atomic_cmpxchg_inatomic\n" - "1: " TUSER(ldr) " %1, [%4]\n" -diff --git a/arch/arm/include/asm/kmap_types.h b/arch/arm/include/asm/kmap_types.h -index 83eb2f7..ed77159 100644 ---- a/arch/arm/include/asm/kmap_types.h -+++ b/arch/arm/include/asm/kmap_types.h -@@ -4,6 +4,6 @@ - /* - * This is the "bare minimum". AIO seems to require this. - */ --#define KM_TYPE_NR 16 -+#define KM_TYPE_NR 17 - - #endif -diff --git a/arch/arm/include/asm/mach/dma.h b/arch/arm/include/asm/mach/dma.h -index 9e614a1..3302cca 100644 ---- a/arch/arm/include/asm/mach/dma.h -+++ b/arch/arm/include/asm/mach/dma.h -@@ -22,7 +22,7 @@ struct dma_ops { - int (*residue)(unsigned int, dma_t *); /* optional */ - int (*setspeed)(unsigned int, dma_t *, int); /* optional */ - const char *type; --}; -+} __do_const; - - struct dma_struct { - void *addr; /* single DMA address */ -diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h -index 9b7c328..2dfe68b 100644 ---- a/arch/arm/include/asm/mach/map.h -+++ b/arch/arm/include/asm/mach/map.h -@@ -23,17 +23,19 @@ struct map_desc { - - /* types 0-3 are defined in asm/io.h */ - enum { -- MT_UNCACHED = 4, -- MT_CACHECLEAN, -- MT_MINICLEAN, -+ MT_UNCACHED_RW = 4, -+ MT_CACHECLEAN_RO, -+ MT_MINICLEAN_RO, - MT_LOW_VECTORS, - MT_HIGH_VECTORS, -- MT_MEMORY_RWX, -+ __MT_MEMORY_RWX, - MT_MEMORY_RW, -- MT_ROM, -- MT_MEMORY_RWX_NONCACHED, -+ MT_MEMORY_RX, -+ MT_ROM_RX, -+ MT_MEMORY_RW_NONCACHED, -+ MT_MEMORY_RX_NONCACHED, - MT_MEMORY_RW_DTCM, -- MT_MEMORY_RWX_ITCM, -+ MT_MEMORY_RX_ITCM, - MT_MEMORY_RW_SO, - MT_MEMORY_DMA_READY, - }; -diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h -index c2bf24f..69e437c 100644 ---- a/arch/arm/include/asm/outercache.h -+++ b/arch/arm/include/asm/outercache.h -@@ -39,7 +39,7 @@ struct outer_cache_fns { - /* This is an ARM L2C thing */ - void (*write_sec)(unsigned long, unsigned); - void (*configure)(const struct l2x0_regs *); --}; -+} __no_const; - - extern struct outer_cache_fns outer_cache; - -diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h -index 4355f0e..cd9168e 100644 ---- a/arch/arm/include/asm/page.h -+++ b/arch/arm/include/asm/page.h -@@ -23,6 +23,7 @@ - - #else - -+#include - #include - - /* -@@ -114,7 +115,7 @@ struct cpu_user_fns { - void (*cpu_clear_user_highpage)(struct page *page, unsigned long vaddr); - void (*cpu_copy_user_highpage)(struct page *to, struct page *from, - unsigned long vaddr, struct vm_area_struct *vma); --}; -+} __no_const; - - #ifdef MULTI_USER - extern struct cpu_user_fns cpu_user; -diff --git a/arch/arm/include/asm/pgalloc.h b/arch/arm/include/asm/pgalloc.h -index b2902a5..da11e4d 100644 ---- a/arch/arm/include/asm/pgalloc.h -+++ b/arch/arm/include/asm/pgalloc.h -@@ -17,6 +17,7 @@ - #include - #include - #include -+#include - - #define check_pgt_cache() do { } while (0) - -@@ -43,6 +44,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) - set_pud(pud, __pud(__pa(pmd) | PMD_TYPE_TABLE)); - } - -+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) -+{ -+ pud_populate(mm, pud, pmd); -+} -+ - #else /* !CONFIG_ARM_LPAE */ - - /* -@@ -51,6 +57,7 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) - #define pmd_alloc_one(mm,addr) ({ BUG(); ((pmd_t *)2); }) - #define pmd_free(mm, pmd) do { } while (0) - #define pud_populate(mm,pmd,pte) BUG() -+#define pud_populate_kernel(mm,pmd,pte) BUG() - - #endif /* CONFIG_ARM_LPAE */ - -@@ -128,6 +135,19 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte) - __free_page(pte); - } - -+static inline void __section_update(pmd_t *pmdp, unsigned long addr, pmdval_t prot) -+{ -+#ifdef CONFIG_ARM_LPAE -+ pmdp[0] = __pmd(pmd_val(pmdp[0]) | prot); -+#else -+ if (addr & SECTION_SIZE) -+ pmdp[1] = __pmd(pmd_val(pmdp[1]) | prot); -+ else -+ pmdp[0] = __pmd(pmd_val(pmdp[0]) | prot); -+#endif -+ flush_pmd_entry(pmdp); -+} -+ - static inline void __pmd_populate(pmd_t *pmdp, phys_addr_t pte, - pmdval_t prot) - { -diff --git a/arch/arm/include/asm/pgtable-2level-hwdef.h b/arch/arm/include/asm/pgtable-2level-hwdef.h -index 3f82e9d..2a85e8b 100644 ---- a/arch/arm/include/asm/pgtable-2level-hwdef.h -+++ b/arch/arm/include/asm/pgtable-2level-hwdef.h -@@ -28,7 +28,7 @@ - /* - * - section - */ --#define PMD_SECT_PXN (_AT(pmdval_t, 1) << 0) /* v7 */ -+#define PMD_SECT_PXN (_AT(pmdval_t, 1) << 0) /* v7 */ - #define PMD_SECT_BUFFERABLE (_AT(pmdval_t, 1) << 2) - #define PMD_SECT_CACHEABLE (_AT(pmdval_t, 1) << 3) - #define PMD_SECT_XN (_AT(pmdval_t, 1) << 4) /* v6 */ -@@ -40,6 +40,7 @@ - #define PMD_SECT_nG (_AT(pmdval_t, 1) << 17) /* v6 */ - #define PMD_SECT_SUPER (_AT(pmdval_t, 1) << 18) /* v6 */ - #define PMD_SECT_AF (_AT(pmdval_t, 0)) -+#define PMD_SECT_RDONLY (_AT(pmdval_t, 0)) - - #define PMD_SECT_UNCACHED (_AT(pmdval_t, 0)) - #define PMD_SECT_BUFFERED (PMD_SECT_BUFFERABLE) -@@ -70,6 +71,7 @@ - * - extended small page/tiny page - */ - #define PTE_EXT_XN (_AT(pteval_t, 1) << 0) /* v6 */ -+#define PTE_EXT_PXN (_AT(pteval_t, 1) << 2) /* v7 */ - #define PTE_EXT_AP_MASK (_AT(pteval_t, 3) << 4) - #define PTE_EXT_AP0 (_AT(pteval_t, 1) << 4) - #define PTE_EXT_AP1 (_AT(pteval_t, 2) << 4) -diff --git a/arch/arm/include/asm/pgtable-2level.h b/arch/arm/include/asm/pgtable-2level.h -index 92fd2c8..061dae1 100644 ---- a/arch/arm/include/asm/pgtable-2level.h -+++ b/arch/arm/include/asm/pgtable-2level.h -@@ -127,6 +127,9 @@ - #define L_PTE_SHARED (_AT(pteval_t, 1) << 10) /* shared(v6), coherent(xsc3) */ - #define L_PTE_NONE (_AT(pteval_t, 1) << 11) - -+/* Two-level page tables only have PXN in the PGD, not in the PTE. */ -+#define L_PTE_PXN (_AT(pteval_t, 0)) -+ - /* - * These are the memory types, defined to be compatible with - * pre-ARMv6 CPUs cacheable and bufferable bits: n/a,n/a,C,B -diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h -index 2a029bc..a0524c7 100644 ---- a/arch/arm/include/asm/pgtable-3level.h -+++ b/arch/arm/include/asm/pgtable-3level.h -@@ -80,6 +80,7 @@ - #define L_PTE_USER (_AT(pteval_t, 1) << 6) /* AP[1] */ - #define L_PTE_SHARED (_AT(pteval_t, 3) << 8) /* SH[1:0], inner shareable */ - #define L_PTE_YOUNG (_AT(pteval_t, 1) << 10) /* AF */ -+#define L_PTE_PXN (_AT(pteval_t, 1) << 53) /* PXN */ - #define L_PTE_XN (_AT(pteval_t, 1) << 54) /* XN */ - #define L_PTE_DIRTY (_AT(pteval_t, 1) << 55) - #define L_PTE_SPECIAL (_AT(pteval_t, 1) << 56) -@@ -90,10 +91,12 @@ - #define L_PMD_SECT_DIRTY (_AT(pmdval_t, 1) << 55) - #define L_PMD_SECT_NONE (_AT(pmdval_t, 1) << 57) - #define L_PMD_SECT_RDONLY (_AT(pteval_t, 1) << 58) -+#define PMD_SECT_RDONLY PMD_SECT_AP2 - - /* - * To be used in assembly code with the upper page attributes. - */ -+#define L_PTE_PXN_HIGH (1 << (53 - 32)) - #define L_PTE_XN_HIGH (1 << (54 - 32)) - #define L_PTE_DIRTY_HIGH (1 << (55 - 32)) - -diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h -index a8d656d..2febb8a 100644 ---- a/arch/arm/include/asm/pgtable.h -+++ b/arch/arm/include/asm/pgtable.h -@@ -33,6 +33,9 @@ - #include - #endif - -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - /* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the -@@ -48,6 +51,9 @@ - #define LIBRARY_TEXT_START 0x0c000000 - - #ifndef __ASSEMBLY__ -+extern pteval_t __supported_pte_mask; -+extern pmdval_t __supported_pmd_mask; -+ - extern void __pte_error(const char *file, int line, pte_t); - extern void __pmd_error(const char *file, int line, pmd_t); - extern void __pgd_error(const char *file, int line, pgd_t); -@@ -56,6 +62,48 @@ extern void __pgd_error(const char *file, int line, pgd_t); - #define pmd_ERROR(pmd) __pmd_error(__FILE__, __LINE__, pmd) - #define pgd_ERROR(pgd) __pgd_error(__FILE__, __LINE__, pgd) - -+#define __HAVE_ARCH_PAX_OPEN_KERNEL -+#define __HAVE_ARCH_PAX_CLOSE_KERNEL -+ -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+#include -+#include -+#include -+ -+static inline int test_domain(int domain, int domaintype) -+{ -+ return ((current_thread_info()->cpu_domain) & domain_val(domain, 3)) == domain_val(domain, domaintype); -+} -+#endif -+ -+#ifdef CONFIG_PAX_KERNEXEC -+static inline unsigned long pax_open_kernel(void) { -+#ifdef CONFIG_ARM_LPAE -+ /* TODO */ -+#else -+ preempt_disable(); -+ BUG_ON(test_domain(DOMAIN_KERNEL, DOMAIN_KERNEXEC)); -+ modify_domain(DOMAIN_KERNEL, DOMAIN_KERNEXEC); -+#endif -+ return 0; -+} -+ -+static inline unsigned long pax_close_kernel(void) { -+#ifdef CONFIG_ARM_LPAE -+ /* TODO */ -+#else -+ BUG_ON(test_domain(DOMAIN_KERNEL, DOMAIN_MANAGER)); -+ /* DOMAIN_MANAGER = "client" under KERNEXEC */ -+ modify_domain(DOMAIN_KERNEL, DOMAIN_MANAGER); -+ preempt_enable_no_resched(); -+#endif -+ return 0; -+} -+#else -+static inline unsigned long pax_open_kernel(void) { return 0; } -+static inline unsigned long pax_close_kernel(void) { return 0; } -+#endif -+ - /* - * This is the lowest virtual address we can permit any user space - * mapping to be mapped at. This is particularly important for -@@ -75,8 +123,8 @@ extern void __pgd_error(const char *file, int line, pgd_t); - /* - * The pgprot_* and protection_map entries will be fixed up in runtime - * to include the cachable and bufferable bits based on memory policy, -- * as well as any architecture dependent bits like global/ASID and SMP -- * shared mapping bits. -+ * as well as any architecture dependent bits like global/ASID, PXN, -+ * and SMP shared mapping bits. - */ - #define _L_PTE_DEFAULT L_PTE_PRESENT | L_PTE_YOUNG - -@@ -308,7 +356,7 @@ static inline pte_t pte_mknexec(pte_t pte) - static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) - { - const pteval_t mask = L_PTE_XN | L_PTE_RDONLY | L_PTE_USER | -- L_PTE_NONE | L_PTE_VALID; -+ L_PTE_NONE | L_PTE_VALID | __supported_pte_mask; - pte_val(pte) = (pte_val(pte) & ~mask) | (pgprot_val(newprot) & mask); - return pte; - } -diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h -index 3d6dc8b..1262ad3 100644 ---- a/arch/arm/include/asm/smp.h -+++ b/arch/arm/include/asm/smp.h -@@ -108,7 +108,7 @@ struct smp_operations { - int (*cpu_disable)(unsigned int cpu); - #endif - #endif --}; -+} __no_const; - - struct of_cpu_method { - const char *method; -diff --git a/arch/arm/include/asm/string.h b/arch/arm/include/asm/string.h -index cf4f3aa..8f2f2d9 100644 ---- a/arch/arm/include/asm/string.h -+++ b/arch/arm/include/asm/string.h -@@ -7,19 +7,19 @@ - */ - - #define __HAVE_ARCH_STRRCHR --extern char * strrchr(const char * s, int c); -+extern char * strrchr(const char * s, int c) __nocapture(-1); - - #define __HAVE_ARCH_STRCHR --extern char * strchr(const char * s, int c); -+extern char * strchr(const char * s, int c) __nocapture(-1); - - #define __HAVE_ARCH_MEMCPY --extern void * memcpy(void *, const void *, __kernel_size_t); -+extern void * memcpy(void *, const void *, __kernel_size_t) __nocapture(2); - - #define __HAVE_ARCH_MEMMOVE --extern void * memmove(void *, const void *, __kernel_size_t); -+extern void * memmove(void *, const void *, __kernel_size_t) __nocapture(2); - - #define __HAVE_ARCH_MEMCHR --extern void * memchr(const void *, int, __kernel_size_t); -+extern void * memchr(const void *, int, __kernel_size_t) __nocapture(-1); - - #define __HAVE_ARCH_MEMSET - extern void * memset(void *, int, __kernel_size_t); -diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h -index 776757d..a552c1d 100644 ---- a/arch/arm/include/asm/thread_info.h -+++ b/arch/arm/include/asm/thread_info.h -@@ -73,6 +73,9 @@ struct thread_info { - .flags = 0, \ - .preempt_count = INIT_PREEMPT_COUNT, \ - .addr_limit = KERNEL_DS, \ -+ .cpu_domain = domain_val(DOMAIN_USER, DOMAIN_USERCLIENT) | \ -+ domain_val(DOMAIN_KERNEL, DOMAIN_KERNELCLIENT) | \ -+ domain_val(DOMAIN_IO, DOMAIN_KERNELCLIENT), \ - } - - #define init_thread_info (init_thread_union.thread_info) -@@ -143,6 +146,10 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *, - #define TIF_SYSCALL_AUDIT 5 /* syscall auditing active */ - #define TIF_SYSCALL_TRACEPOINT 6 /* syscall tracepoint instrumentation */ - #define TIF_SECCOMP 7 /* seccomp syscall filtering active */ -+/* within 8 bits of TIF_SYSCALL_TRACE -+ * to meet flexible second operand requirements -+ */ -+#define TIF_GRSEC_SETXID 8 - - #define TIF_NOHZ 12 /* in adaptive nohz mode */ - #define TIF_USING_IWMMXT 17 -@@ -158,10 +165,11 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *, - #define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT) - #define _TIF_SECCOMP (1 << TIF_SECCOMP) - #define _TIF_USING_IWMMXT (1 << TIF_USING_IWMMXT) -+#define _TIF_GRSEC_SETXID (1 << TIF_GRSEC_SETXID) - - /* Checks for any syscall work in entry-common.S */ - #define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \ -- _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP) -+ _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP | _TIF_GRSEC_SETXID) - - /* - * Change these and you break ASM code in entry-common.S -diff --git a/arch/arm/include/asm/timex.h b/arch/arm/include/asm/timex.h -index f6fcc67..5895d62 100644 ---- a/arch/arm/include/asm/timex.h -+++ b/arch/arm/include/asm/timex.h -@@ -13,6 +13,7 @@ - #define _ASMARM_TIMEX_H - - typedef unsigned long cycles_t; -+extern int read_current_timer(unsigned long *timer_val); - #define get_cycles() ({ cycles_t c; read_current_timer(&c) ? 0 : c; }) - - #endif -diff --git a/arch/arm/include/asm/tls.h b/arch/arm/include/asm/tls.h -index 5f833f7..76e6644 100644 ---- a/arch/arm/include/asm/tls.h -+++ b/arch/arm/include/asm/tls.h -@@ -3,6 +3,7 @@ - - #include - #include -+#include - - #ifdef __ASSEMBLY__ - #include -@@ -89,7 +90,9 @@ static inline void set_tls(unsigned long val) - * at 0xffff0fe0 must be used instead. (see - * entry-armv.S for details) - */ -+ pax_open_kernel(); - *((unsigned int *)0xffff0ff0) = val; -+ pax_close_kernel(); - #endif - } - -diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h -index 1f59ea05..81245f0 100644 ---- a/arch/arm/include/asm/uaccess.h -+++ b/arch/arm/include/asm/uaccess.h -@@ -18,6 +18,7 @@ - #include - #include - #include -+#include - - #ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS - #include -@@ -50,6 +51,59 @@ struct exception_table_entry - extern int fixup_exception(struct pt_regs *regs); - - /* -+ * These two are intentionally not defined anywhere - if the kernel -+ * code generates any references to them, that's a bug. -+ */ -+extern int __get_user_bad(void); -+extern int __put_user_bad(void); -+ -+/* -+ * Note that this is actually 0x1,0000,0000 -+ */ -+#define KERNEL_DS 0x00000000 -+#define get_ds() (KERNEL_DS) -+ -+#ifdef CONFIG_MMU -+ -+#define USER_DS TASK_SIZE -+#define get_fs() (current_thread_info()->addr_limit) -+ -+static inline void set_fs(mm_segment_t fs) -+{ -+ current_thread_info()->addr_limit = fs; -+ modify_domain(DOMAIN_KERNEL, fs ? DOMAIN_KERNELCLIENT : DOMAIN_MANAGER); -+} -+ -+#define segment_eq(a, b) ((a) == (b)) -+ -+#define __HAVE_ARCH_PAX_OPEN_USERLAND -+#define __HAVE_ARCH_PAX_CLOSE_USERLAND -+ -+static inline void pax_open_userland(void) -+{ -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (segment_eq(get_fs(), USER_DS)) { -+ BUG_ON(test_domain(DOMAIN_USER, DOMAIN_UDEREF)); -+ modify_domain(DOMAIN_USER, DOMAIN_UDEREF); -+ } -+#endif -+ -+} -+ -+static inline void pax_close_userland(void) -+{ -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (segment_eq(get_fs(), USER_DS)) { -+ BUG_ON(test_domain(DOMAIN_USER, DOMAIN_NOACCESS)); -+ modify_domain(DOMAIN_USER, DOMAIN_NOACCESS); -+ } -+#endif -+ -+} -+ -+/* - * These two functions allow hooking accesses to userspace to increase - * system integrity by ensuring that the kernel can not inadvertantly - * perform such accesses (eg, via list poison values) which could then -@@ -66,6 +120,7 @@ static inline unsigned int uaccess_save_and_enable(void) - - return old_domain; - #else -+ pax_open_userland(); - return 0; - #endif - } -@@ -75,35 +130,11 @@ static inline void uaccess_restore(unsigned int flags) - #ifdef CONFIG_CPU_SW_DOMAIN_PAN - /* Restore the user access mask */ - set_domain(flags); -+#else -+ pax_close_userland(); - #endif - } - --/* -- * These two are intentionally not defined anywhere - if the kernel -- * code generates any references to them, that's a bug. -- */ --extern int __get_user_bad(void); --extern int __put_user_bad(void); -- --/* -- * Note that this is actually 0x1,0000,0000 -- */ --#define KERNEL_DS 0x00000000 --#define get_ds() (KERNEL_DS) -- --#ifdef CONFIG_MMU -- --#define USER_DS TASK_SIZE --#define get_fs() (current_thread_info()->addr_limit) -- --static inline void set_fs(mm_segment_t fs) --{ -- current_thread_info()->addr_limit = fs; -- modify_domain(DOMAIN_KERNEL, fs ? DOMAIN_CLIENT : DOMAIN_MANAGER); --} -- --#define segment_eq(a, b) ((a) == (b)) -- - /* We use 33-bit arithmetic here... */ - #define __range_ok(addr, size) ({ \ - unsigned long flag, roksum; \ -@@ -268,6 +299,7 @@ static inline void set_fs(mm_segment_t fs) - - #endif /* CONFIG_MMU */ - -+#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size)) - #define access_ok(type, addr, size) (__range_ok(addr, size) == 0) - - #define user_addr_max() \ -@@ -474,10 +506,10 @@ do { \ - - - #ifdef CONFIG_MMU --extern unsigned long __must_check -+extern unsigned long __must_check __size_overflow(3) - arm_copy_from_user(void *to, const void __user *from, unsigned long n); - --static inline unsigned long __must_check -+static inline unsigned long __must_check __size_overflow(3) - __copy_from_user(void *to, const void __user *from, unsigned long n) - { - unsigned int __ua_flags; -@@ -489,9 +521,9 @@ __copy_from_user(void *to, const void __user *from, unsigned long n) - return n; - } - --extern unsigned long __must_check -+extern unsigned long __must_check __size_overflow(3) - arm_copy_to_user(void __user *to, const void *from, unsigned long n); --extern unsigned long __must_check -+extern unsigned long __must_check __size_overflow(3) - __copy_to_user_std(void __user *to, const void *from, unsigned long n); - - static inline unsigned long __must_check -@@ -511,9 +543,9 @@ __copy_to_user(void __user *to, const void *from, unsigned long n) - #endif - } - --extern unsigned long __must_check -+extern unsigned long __must_check __size_overflow(2) - arm_clear_user(void __user *addr, unsigned long n); --extern unsigned long __must_check -+extern unsigned long __must_check __size_overflow(2) - __clear_user_std(void __user *addr, unsigned long n); - - static inline unsigned long __must_check -@@ -534,6 +566,10 @@ __clear_user(void __user *addr, unsigned long n) - static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n) - { - unsigned long res = n; -+ -+ if ((long)n < 0) -+ return n; -+ - if (likely(access_ok(VERIFY_READ, from, n))) - res = __copy_from_user(to, from, n); - if (unlikely(res)) -@@ -543,6 +579,9 @@ static inline unsigned long __must_check copy_from_user(void *to, const void __u - - static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - if (access_ok(VERIFY_WRITE, to, n)) - n = __copy_to_user(to, from, n); - return n; -diff --git a/arch/arm/include/uapi/asm/ptrace.h b/arch/arm/include/uapi/asm/ptrace.h -index 5af0ed1..cea83883 100644 ---- a/arch/arm/include/uapi/asm/ptrace.h -+++ b/arch/arm/include/uapi/asm/ptrace.h -@@ -92,7 +92,7 @@ - * ARMv7 groups of PSR bits - */ - #define APSR_MASK 0xf80f0000 /* N, Z, C, V, Q and GE flags */ --#define PSR_ISET_MASK 0x01000010 /* ISA state (J, T) mask */ -+#define PSR_ISET_MASK 0x01000020 /* ISA state (J, T) mask */ - #define PSR_IT_MASK 0x0600fc00 /* If-Then execution state mask */ - #define PSR_ENDIAN_MASK 0x00000200 /* Endianness state mask */ - -diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c -index 8e8d20c..fd4b52d 100644 ---- a/arch/arm/kernel/armksyms.c -+++ b/arch/arm/kernel/armksyms.c -@@ -59,7 +59,7 @@ EXPORT_SYMBOL(arm_delay_ops); - - /* networking */ - EXPORT_SYMBOL(csum_partial); --EXPORT_SYMBOL(csum_partial_copy_from_user); -+EXPORT_SYMBOL(__csum_partial_copy_from_user); - EXPORT_SYMBOL(csum_partial_copy_nocheck); - EXPORT_SYMBOL(__csum_ipv6_magic); - -diff --git a/arch/arm/kernel/efi.c b/arch/arm/kernel/efi.c -index 9f43ba0..1cee475 100644 ---- a/arch/arm/kernel/efi.c -+++ b/arch/arm/kernel/efi.c -@@ -60,9 +60,9 @@ int __init efi_create_mapping(struct mm_struct *mm, efi_memory_desc_t *md) - * preference. - */ - if (md->attribute & EFI_MEMORY_WB) -- desc.type = MT_MEMORY_RWX; -+ desc.type = __MT_MEMORY_RWX; - else if (md->attribute & EFI_MEMORY_WT) -- desc.type = MT_MEMORY_RWX_NONCACHED; -+ desc.type = MT_MEMORY_RW_NONCACHED; - else if (md->attribute & EFI_MEMORY_WC) - desc.type = MT_DEVICE_WC; - else -diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S -index 9f157e7..8e3f857 100644 ---- a/arch/arm/kernel/entry-armv.S -+++ b/arch/arm/kernel/entry-armv.S -@@ -50,6 +50,87 @@ - 9997: - .endm - -+ .macro pax_enter_kernel -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ @ make aligned space for saved DACR -+ sub sp, sp, #8 -+ @ save regs -+ stmdb sp!, {r1, r2} -+ @ read DACR from cpu_domain into r1 -+ mov r2, sp -+ @ assume 8K pages, since we have to split the immediate in two -+ bic r2, r2, #(0x1fc0) -+ bic r2, r2, #(0x3f) -+ ldr r1, [r2, #TI_CPU_DOMAIN] -+ @ store old DACR on stack -+ str r1, [sp, #8] -+#ifdef CONFIG_PAX_KERNEXEC -+ @ set type of DOMAIN_KERNEL to DOMAIN_KERNELCLIENT -+ bic r1, r1, #(domain_val(DOMAIN_KERNEL, 3)) -+ orr r1, r1, #(domain_val(DOMAIN_KERNEL, DOMAIN_KERNELCLIENT)) -+#endif -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ @ set current DOMAIN_USER to DOMAIN_NOACCESS -+ bic r1, r1, #(domain_val(DOMAIN_USER, 3)) -+#endif -+ @ write r1 to current_thread_info()->cpu_domain -+ str r1, [r2, #TI_CPU_DOMAIN] -+ @ write r1 to DACR -+ mcr p15, 0, r1, c3, c0, 0 -+ @ instruction sync -+ instr_sync -+ @ restore regs -+ ldmia sp!, {r1, r2} -+#endif -+ .endm -+ -+ .macro pax_open_userland -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ @ save regs -+ stmdb sp!, {r0, r1} -+ @ read DACR from cpu_domain into r1 -+ mov r0, sp -+ @ assume 8K pages, since we have to split the immediate in two -+ bic r0, r0, #(0x1fc0) -+ bic r0, r0, #(0x3f) -+ ldr r1, [r0, #TI_CPU_DOMAIN] -+ @ set current DOMAIN_USER to DOMAIN_CLIENT -+ bic r1, r1, #(domain_val(DOMAIN_USER, 3)) -+ orr r1, r1, #(domain_val(DOMAIN_USER, DOMAIN_UDEREF)) -+ @ write r1 to current_thread_info()->cpu_domain -+ str r1, [r0, #TI_CPU_DOMAIN] -+ @ write r1 to DACR -+ mcr p15, 0, r1, c3, c0, 0 -+ @ instruction sync -+ instr_sync -+ @ restore regs -+ ldmia sp!, {r0, r1} -+#endif -+ .endm -+ -+ .macro pax_close_userland -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ @ save regs -+ stmdb sp!, {r0, r1} -+ @ read DACR from cpu_domain into r1 -+ mov r0, sp -+ @ assume 8K pages, since we have to split the immediate in two -+ bic r0, r0, #(0x1fc0) -+ bic r0, r0, #(0x3f) -+ ldr r1, [r0, #TI_CPU_DOMAIN] -+ @ set current DOMAIN_USER to DOMAIN_NOACCESS -+ bic r1, r1, #(domain_val(DOMAIN_USER, 3)) -+ @ write r1 to current_thread_info()->cpu_domain -+ str r1, [r0, #TI_CPU_DOMAIN] -+ @ write r1 to DACR -+ mcr p15, 0, r1, c3, c0, 0 -+ @ instruction sync -+ instr_sync -+ @ restore regs -+ ldmia sp!, {r0, r1} -+#endif -+ .endm -+ - .macro pabt_helper - @ PABORT handler takes pt_regs in r2, fault address in r4 and psr in r5 - #ifdef MULTI_PABORT -@@ -92,11 +173,15 @@ - * Invalid mode handlers - */ - .macro inv_entry, reason -+ -+ pax_enter_kernel -+ - sub sp, sp, #PT_REGS_SIZE - ARM( stmib sp, {r1 - lr} ) - THUMB( stmia sp, {r0 - r12} ) - THUMB( str sp, [sp, #S_SP] ) - THUMB( str lr, [sp, #S_LR] ) -+ - mov r1, #\reason - .endm - -@@ -152,6 +237,9 @@ ENDPROC(__und_invalid) - .macro svc_entry, stack_hole=0, trace=1, uaccess=1 - UNWIND(.fnstart ) - UNWIND(.save {r0 - pc} ) -+ -+ pax_enter_kernel -+ - sub sp, sp, #(SVC_REGS_SIZE + \stack_hole - 4) - #ifdef CONFIG_THUMB2_KERNEL - SPFIX( str r0, [sp] ) @ temporarily saved -@@ -167,7 +255,12 @@ ENDPROC(__und_invalid) - ldmia r0, {r3 - r5} - add r7, sp, #S_SP - 4 @ here for interlock avoidance - mov r6, #-1 @ "" "" "" "" -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ @ offset sp by 8 as done in pax_enter_kernel -+ add r2, sp, #(SVC_REGS_SIZE + \stack_hole + 4) -+#else - add r2, sp, #(SVC_REGS_SIZE + \stack_hole - 4) -+#endif - SPFIX( addeq r2, r2, #4 ) - str r3, [sp, #-4]! @ save the "real" r0 copied - @ from the exception stack -@@ -382,6 +475,9 @@ ENDPROC(__fiq_abt) - .macro usr_entry, trace=1, uaccess=1 - UNWIND(.fnstart ) - UNWIND(.cantunwind ) @ don't unwind the user space -+ -+ pax_enter_kernel_user -+ - sub sp, sp, #PT_REGS_SIZE - ARM( stmib sp, {r1 - r12} ) - THUMB( stmia sp, {r0 - r12} ) -@@ -495,7 +591,9 @@ __und_usr: - tst r3, #PSR_T_BIT @ Thumb mode? - bne __und_usr_thumb - sub r4, r2, #4 @ ARM instr at LR - 4 -+ pax_open_userland - 1: ldrt r0, [r4] -+ pax_close_userland - ARM_BE8(rev r0, r0) @ little endian instruction - - uaccess_disable ip -@@ -531,11 +629,15 @@ __und_usr_thumb: - */ - .arch armv6t2 - #endif -+ pax_open_userland - 2: ldrht r5, [r4] -+ pax_close_userland - ARM_BE8(rev16 r5, r5) @ little endian instruction - cmp r5, #0xe800 @ 32bit instruction if xx != 0 - blo __und_usr_fault_16_pan @ 16bit undefined instruction -+ pax_open_userland - 3: ldrht r0, [r2] -+ pax_close_userland - ARM_BE8(rev16 r0, r0) @ little endian instruction - uaccess_disable ip - add r2, r2, #2 @ r2 is PC + 2, make it PC + 4 -@@ -566,7 +668,8 @@ ENDPROC(__und_usr) - */ - .pushsection .text.fixup, "ax" - .align 2 --4: str r4, [sp, #S_PC] @ retry current instruction -+4: pax_close_userland -+ str r4, [sp, #S_PC] @ retry current instruction - ret r9 - .popsection - .pushsection __ex_table,"a" -@@ -788,7 +891,7 @@ ENTRY(__switch_to) - THUMB( str lr, [ip], #4 ) - ldr r4, [r2, #TI_TP_VALUE] - ldr r5, [r2, #TI_TP_VALUE + 4] --#ifdef CONFIG_CPU_USE_DOMAINS -+#if defined(CONFIG_CPU_USE_DOMAINS) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) - mrc p15, 0, r6, c3, c0, 0 @ Get domain register - str r6, [r1, #TI_CPU_DOMAIN] @ Save old domain register - ldr r6, [r2, #TI_CPU_DOMAIN] -@@ -799,7 +902,7 @@ ENTRY(__switch_to) - ldr r8, =__stack_chk_guard - ldr r7, [r7, #TSK_STACK_CANARY] - #endif --#ifdef CONFIG_CPU_USE_DOMAINS -+#if defined(CONFIG_CPU_USE_DOMAINS) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) - mcr p15, 0, r6, c3, c0, 0 @ Set domain register - #endif - mov r5, r0 -diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S -index 10c3283..c47cdf5 100644 ---- a/arch/arm/kernel/entry-common.S -+++ b/arch/arm/kernel/entry-common.S -@@ -11,18 +11,46 @@ - #include - #include - #include -+#include - #include - -+#include "entry-header.S" -+ - #ifdef CONFIG_NEED_RET_TO_USER - #include - #else - .macro arch_ret_to_user, tmp1, tmp2 -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ @ save regs -+ stmdb sp!, {r1, r2} -+ @ read DACR from cpu_domain into r1 -+ mov r2, sp -+ @ assume 8K pages, since we have to split the immediate in two -+ bic r2, r2, #(0x1fc0) -+ bic r2, r2, #(0x3f) -+ ldr r1, [r2, #TI_CPU_DOMAIN] -+#ifdef CONFIG_PAX_KERNEXEC -+ @ set type of DOMAIN_KERNEL to DOMAIN_KERNELCLIENT -+ bic r1, r1, #(domain_val(DOMAIN_KERNEL, 3)) -+ orr r1, r1, #(domain_val(DOMAIN_KERNEL, DOMAIN_KERNELCLIENT)) -+#endif -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ @ set current DOMAIN_USER to DOMAIN_UDEREF -+ bic r1, r1, #(domain_val(DOMAIN_USER, 3)) -+ orr r1, r1, #(domain_val(DOMAIN_USER, DOMAIN_UDEREF)) -+#endif -+ @ write r1 to current_thread_info()->cpu_domain -+ str r1, [r2, #TI_CPU_DOMAIN] -+ @ write r1 to DACR -+ mcr p15, 0, r1, c3, c0, 0 -+ @ instruction sync -+ instr_sync -+ @ restore regs -+ ldmia sp!, {r1, r2} -+#endif - .endm - #endif - --#include "entry-header.S" -- -- - .align 5 - #if !(IS_ENABLED(CONFIG_TRACE_IRQFLAGS) || IS_ENABLED(CONFIG_CONTEXT_TRACKING)) - /* -@@ -36,7 +64,9 @@ ret_fast_syscall: - UNWIND(.cantunwind ) - disable_irq_notrace @ disable interrupts - ldr r1, [tsk, #TI_FLAGS] @ re-check for syscall tracing -- tst r1, #_TIF_SYSCALL_WORK | _TIF_WORK_MASK -+ tst r1, #_TIF_SYSCALL_WORK -+ bne fast_work_pending -+ tst r1, #_TIF_WORK_MASK - bne fast_work_pending - - /* perform architecture specific actions before user return */ -@@ -62,7 +92,9 @@ ret_fast_syscall: - str r0, [sp, #S_R0 + S_OFF]! @ save returned r0 - disable_irq_notrace @ disable interrupts - ldr r1, [tsk, #TI_FLAGS] @ re-check for syscall tracing -- tst r1, #_TIF_SYSCALL_WORK | _TIF_WORK_MASK -+ tst r1, #_TIF_SYSCALL_WORK -+ bne __sys_trace_return_nosave -+ tst r1, #_TIF_WORK_MASK - beq no_work_pending - UNWIND(.fnend ) - ENDPROC(ret_fast_syscall) -@@ -199,6 +231,12 @@ ENTRY(vector_swi) - - uaccess_disable tbl - -+ /* -+ * do this here to avoid a performance hit of wrapping the code above -+ * that directly dereferences userland to parse the SWI instruction -+ */ -+ pax_enter_kernel_user -+ - adr tbl, sys_call_table @ load syscall table pointer - - #if defined(CONFIG_OABI_COMPAT) -diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S -index 6391728..6bf90b8 100644 ---- a/arch/arm/kernel/entry-header.S -+++ b/arch/arm/kernel/entry-header.S -@@ -196,6 +196,59 @@ - msr cpsr_c, \rtemp @ switch back to the SVC mode - .endm - -+ .macro pax_enter_kernel_user -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ @ save regs -+ stmdb sp!, {r0, r1} -+ @ read DACR from cpu_domain into r1 -+ mov r0, sp -+ @ assume 8K pages, since we have to split the immediate in two -+ bic r0, r0, #(0x1fc0) -+ bic r0, r0, #(0x3f) -+ ldr r1, [r0, #TI_CPU_DOMAIN] -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ @ set current DOMAIN_USER to DOMAIN_NOACCESS -+ bic r1, r1, #(domain_val(DOMAIN_USER, 3)) -+#endif -+#ifdef CONFIG_PAX_KERNEXEC -+ @ set current DOMAIN_KERNEL to DOMAIN_KERNELCLIENT -+ bic r1, r1, #(domain_val(DOMAIN_KERNEL, 3)) -+ orr r1, r1, #(domain_val(DOMAIN_KERNEL, DOMAIN_KERNELCLIENT)) -+#endif -+ @ write r1 to current_thread_info()->cpu_domain -+ str r1, [r0, #TI_CPU_DOMAIN] -+ @ write r1 to DACR -+ mcr p15, 0, r1, c3, c0, 0 -+ @ instruction sync -+ instr_sync -+ @ restore regs -+ ldmia sp!, {r0, r1} -+#endif -+ .endm -+ -+ .macro pax_exit_kernel -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ @ save regs -+ stmdb sp!, {r0, r1} -+ @ read old DACR from stack into r1 -+ ldr r1, [sp, #(8 + S_SP)] -+ sub r1, r1, #8 -+ ldr r1, [r1] -+ -+ @ write r1 to current_thread_info()->cpu_domain -+ mov r0, sp -+ @ assume 8K pages, since we have to split the immediate in two -+ bic r0, r0, #(0x1fc0) -+ bic r0, r0, #(0x3f) -+ str r1, [r0, #TI_CPU_DOMAIN] -+ @ write r1 to DACR -+ mcr p15, 0, r1, c3, c0, 0 -+ @ instruction sync -+ instr_sync -+ @ restore regs -+ ldmia sp!, {r0, r1} -+#endif -+ .endm - - .macro svc_exit, rpsr, irq = 0 - .if \irq != 0 -@@ -219,6 +272,8 @@ - uaccess_restore - str r1, [tsk, #TI_ADDR_LIMIT] - -+ pax_exit_kernel -+ - #ifndef CONFIG_THUMB2_KERNEL - @ ARM mode SVC restore - msr spsr_cxsf, \rpsr -diff --git a/arch/arm/kernel/fiq.c b/arch/arm/kernel/fiq.c -index 059c3da..8e45cfc 100644 ---- a/arch/arm/kernel/fiq.c -+++ b/arch/arm/kernel/fiq.c -@@ -95,7 +95,10 @@ void set_fiq_handler(void *start, unsigned int length) - void *base = vectors_page; - unsigned offset = FIQ_OFFSET; - -+ pax_open_kernel(); - memcpy(base + offset, start, length); -+ pax_close_kernel(); -+ - if (!cache_is_vipt_nonaliasing()) - flush_icache_range((unsigned long)base + offset, offset + - length); -diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c -index 4f14b5c..91ff261 100644 ---- a/arch/arm/kernel/module.c -+++ b/arch/arm/kernel/module.c -@@ -38,17 +38,47 @@ - #endif - - #ifdef CONFIG_MMU --void *module_alloc(unsigned long size) -+static inline void *__module_alloc(unsigned long size, pgprot_t prot) - { -- void *p = __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END, -- GFP_KERNEL, PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE, -+ void *p; -+ -+ if (!size || (!IS_ENABLED(CONFIG_ARM_MODULE_PLTS) && PAGE_ALIGN(size) > MODULES_END - MODULES_VADDR)) -+ return NULL; -+ -+ p = __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END, -+ GFP_KERNEL, prot, 0, NUMA_NO_NODE, - __builtin_return_address(0)); - if (!IS_ENABLED(CONFIG_ARM_MODULE_PLTS) || p) - return p; - return __vmalloc_node_range(size, 1, VMALLOC_START, VMALLOC_END, -- GFP_KERNEL, PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE, -+ GFP_KERNEL, prot, 0, NUMA_NO_NODE, - __builtin_return_address(0)); - } -+ -+void *module_alloc(unsigned long size) -+{ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ return __module_alloc(size, PAGE_KERNEL); -+#else -+ return __module_alloc(size, PAGE_KERNEL_EXEC); -+#endif -+ -+} -+ -+#ifdef CONFIG_PAX_KERNEXEC -+void module_memfree_exec(void *module_region) -+{ -+ module_memfree(module_region); -+} -+EXPORT_SYMBOL(module_memfree_exec); -+ -+void *module_alloc_exec(unsigned long size) -+{ -+ return __module_alloc(size, PAGE_KERNEL_EXEC); -+} -+EXPORT_SYMBOL(module_alloc_exec); -+#endif - #endif - - int -diff --git a/arch/arm/kernel/patch.c b/arch/arm/kernel/patch.c -index 69bda1a..755113a 100644 ---- a/arch/arm/kernel/patch.c -+++ b/arch/arm/kernel/patch.c -@@ -66,6 +66,7 @@ void __kprobes __patch_text_real(void *addr, unsigned int insn, bool remap) - else - __acquire(&patch_lock); - -+ pax_open_kernel(); - if (thumb2 && __opcode_is_thumb16(insn)) { - *(u16 *)waddr = __opcode_to_mem_thumb16(insn); - size = sizeof(u16); -@@ -97,6 +98,7 @@ void __kprobes __patch_text_real(void *addr, unsigned int insn, bool remap) - *(u32 *)waddr = insn; - size = sizeof(u32); - } -+ pax_close_kernel(); - - if (waddr != addr) { - flush_kernel_vmap_range(waddr, twopage ? size / 2 : size); -diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c -index 91d2d5b..042c26e 100644 ---- a/arch/arm/kernel/process.c -+++ b/arch/arm/kernel/process.c -@@ -118,8 +118,8 @@ void __show_regs(struct pt_regs *regs) - - show_regs_print_info(KERN_DEFAULT); - -- print_symbol("PC is at %s\n", instruction_pointer(regs)); -- print_symbol("LR is at %s\n", regs->ARM_lr); -+ printk("PC is at %pA\n", (void *)instruction_pointer(regs)); -+ printk("LR is at %pA\n", (void *)regs->ARM_lr); - printk("pc : [<%08lx>] lr : [<%08lx>] psr: %08lx\n" - "sp : %08lx ip : %08lx fp : %08lx\n", - regs->ARM_pc, regs->ARM_lr, regs->ARM_cpsr, -@@ -233,7 +233,7 @@ copy_thread(unsigned long clone_flags, unsigned long stack_start, - - memset(&thread->cpu_context, 0, sizeof(struct cpu_context_save)); - --#ifdef CONFIG_CPU_USE_DOMAINS -+#if defined(CONFIG_CPU_USE_DOMAINS) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) - /* - * Copy the initial value of the domain access control register - * from the current thread: thread->addr_limit will have been -@@ -336,7 +336,7 @@ static struct vm_area_struct gate_vma = { - - static int __init gate_vma_init(void) - { -- gate_vma.vm_page_prot = PAGE_READONLY_EXEC; -+ gate_vma.vm_page_prot = vm_get_page_prot(gate_vma.vm_flags); - return 0; - } - arch_initcall(gate_vma_init); -@@ -365,92 +365,14 @@ const char *arch_vma_name(struct vm_area_struct *vma) - return is_gate_vma(vma) ? "[vectors]" : NULL; - } - --/* If possible, provide a placement hint at a random offset from the -- * stack for the sigpage and vdso pages. -- */ --static unsigned long sigpage_addr(const struct mm_struct *mm, -- unsigned int npages) --{ -- unsigned long offset; -- unsigned long first; -- unsigned long last; -- unsigned long addr; -- unsigned int slots; -- -- first = PAGE_ALIGN(mm->start_stack); -- -- last = TASK_SIZE - (npages << PAGE_SHIFT); -- -- /* No room after stack? */ -- if (first > last) -- return 0; -- -- /* Just enough room? */ -- if (first == last) -- return first; -- -- slots = ((last - first) >> PAGE_SHIFT) + 1; -- -- offset = get_random_int() % slots; -- -- addr = first + (offset << PAGE_SHIFT); -- -- return addr; --} -- --static struct page *signal_page; --extern struct page *get_signal_page(void); -- --static const struct vm_special_mapping sigpage_mapping = { -- .name = "[sigpage]", -- .pages = &signal_page, --}; -- - int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) - { - struct mm_struct *mm = current->mm; -- struct vm_area_struct *vma; -- unsigned long npages; -- unsigned long addr; -- unsigned long hint; -- int ret = 0; -- -- if (!signal_page) -- signal_page = get_signal_page(); -- if (!signal_page) -- return -ENOMEM; -- -- npages = 1; /* for sigpage */ -- npages += vdso_total_pages; - - if (down_write_killable(&mm->mmap_sem)) - return -EINTR; -- hint = sigpage_addr(mm, npages); -- addr = get_unmapped_area(NULL, hint, npages << PAGE_SHIFT, 0, 0); -- if (IS_ERR_VALUE(addr)) { -- ret = addr; -- goto up_fail; -- } -- -- vma = _install_special_mapping(mm, addr, PAGE_SIZE, -- VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC, -- &sigpage_mapping); -- -- if (IS_ERR(vma)) { -- ret = PTR_ERR(vma); -- goto up_fail; -- } -- -- mm->context.sigpage = addr; -- -- /* Unlike the sigpage, failure to install the vdso is unlikely -- * to be fatal to the process, so no error check needed -- * here. -- */ -- arm_install_vdso(mm, addr + PAGE_SIZE); -- -- up_fail: -+ mm->context.sigpage = (PAGE_OFFSET + (get_random_int() % 0x3FFEFFE0)) & 0xFFFFFFFC; - up_write(&mm->mmap_sem); -- return ret; -+ return 0; - } - #endif -diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c -index ae738a6..ee4d46f 100644 ---- a/arch/arm/kernel/ptrace.c -+++ b/arch/arm/kernel/ptrace.c -@@ -928,10 +928,19 @@ static void tracehook_report_syscall(struct pt_regs *regs, - regs->ARM_ip = ip; - } - -+#ifdef CONFIG_GRKERNSEC_SETXID -+extern void gr_delayed_cred_worker(void); -+#endif -+ - asmlinkage int syscall_trace_enter(struct pt_regs *regs, int scno) - { - current_thread_info()->syscall = scno; - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - if (test_thread_flag(TIF_SYSCALL_TRACE)) - tracehook_report_syscall(regs, PTRACE_SYSCALL_ENTER); - -diff --git a/arch/arm/kernel/reboot.c b/arch/arm/kernel/reboot.c -index 3fa867a..d610607 100644 ---- a/arch/arm/kernel/reboot.c -+++ b/arch/arm/kernel/reboot.c -@@ -120,6 +120,7 @@ void machine_power_off(void) - - if (pm_power_off) - pm_power_off(); -+ while (1); - } - - /* -diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c -index 34e3f3c..3d2dada 100644 ---- a/arch/arm/kernel/setup.c -+++ b/arch/arm/kernel/setup.c -@@ -112,6 +112,8 @@ EXPORT_SYMBOL(elf_hwcap); - unsigned int elf_hwcap2 __read_mostly; - EXPORT_SYMBOL(elf_hwcap2); - -+pteval_t __supported_pte_mask __read_only; -+pmdval_t __supported_pmd_mask __read_only; - - #ifdef MULTI_CPU - struct processor processor __ro_after_init; -@@ -257,9 +259,13 @@ static int __get_cpu_architecture(void) - * Register 0 and check for VMSAv7 or PMSAv7 */ - unsigned int mmfr0 = read_cpuid_ext(CPUID_EXT_MMFR0); - if ((mmfr0 & 0x0000000f) >= 0x00000003 || -- (mmfr0 & 0x000000f0) >= 0x00000030) -+ (mmfr0 & 0x000000f0) >= 0x00000030) { - cpu_arch = CPU_ARCH_ARMv7; -- else if ((mmfr0 & 0x0000000f) == 0x00000002 || -+ if ((mmfr0 & 0x0000000f) == 0x00000005 || (mmfr0 & 0x0000000f) == 0x00000004) { -+ __supported_pte_mask |= L_PTE_PXN; -+ __supported_pmd_mask |= PMD_PXNTABLE; -+ } -+ } else if ((mmfr0 & 0x0000000f) == 0x00000002 || - (mmfr0 & 0x000000f0) == 0x00000020) - cpu_arch = CPU_ARCH_ARMv6; - else -diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c -index 7b8f214..ece8e28 100644 ---- a/arch/arm/kernel/signal.c -+++ b/arch/arm/kernel/signal.c -@@ -24,8 +24,6 @@ - - extern const unsigned long sigreturn_codes[7]; - --static unsigned long signal_return_offset; -- - #ifdef CONFIG_CRUNCH - static int preserve_crunch_context(struct crunch_sigframe __user *frame) - { -@@ -388,8 +386,7 @@ setup_return(struct pt_regs *regs, struct ksignal *ksig, - * except when the MPU has protected the vectors - * page from PL0 - */ -- retcode = mm->context.sigpage + signal_return_offset + -- (idx << 2) + thumb; -+ retcode = mm->context.sigpage + (idx << 2) + thumb; - } else - #endif - { -@@ -601,33 +598,3 @@ do_work_pending(struct pt_regs *regs, unsigned int thread_flags, int syscall) - } while (thread_flags & _TIF_WORK_MASK); - return 0; - } -- --struct page *get_signal_page(void) --{ -- unsigned long ptr; -- unsigned offset; -- struct page *page; -- void *addr; -- -- page = alloc_pages(GFP_KERNEL, 0); -- -- if (!page) -- return NULL; -- -- addr = page_address(page); -- -- /* Give the signal return code some randomness */ -- offset = 0x200 + (get_random_int() & 0x7fc); -- signal_return_offset = offset; -- -- /* -- * Copy signal return handlers into the vector page, and -- * set sigreturn to be a pointer to these. -- */ -- memcpy(addr + offset, sigreturn_codes, sizeof(sigreturn_codes)); -- -- ptr = (unsigned long)addr + offset; -- flush_icache_range(ptr, ptr + sizeof(sigreturn_codes)); -- -- return page; --} -diff --git a/arch/arm/kernel/tcm.c b/arch/arm/kernel/tcm.c -index b10e136..cb5edf9 100644 ---- a/arch/arm/kernel/tcm.c -+++ b/arch/arm/kernel/tcm.c -@@ -64,7 +64,7 @@ static struct map_desc itcm_iomap[] __initdata = { - .virtual = ITCM_OFFSET, - .pfn = __phys_to_pfn(ITCM_OFFSET), - .length = 0, -- .type = MT_MEMORY_RWX_ITCM, -+ .type = MT_MEMORY_RX_ITCM, - } - }; - -@@ -362,7 +362,9 @@ void __init tcm_init(void) - start = &__sitcm_text; - end = &__eitcm_text; - ram = &__itcm_start; -+ pax_open_kernel(); - memcpy(start, ram, itcm_code_sz); -+ pax_close_kernel(); - pr_debug("CPU ITCM: copied code from %p - %p\n", - start, end); - itcm_present = true; -diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c -index 9688ec0..dd072c0 100644 ---- a/arch/arm/kernel/traps.c -+++ b/arch/arm/kernel/traps.c -@@ -65,7 +65,7 @@ static void dump_mem(const char *, const char *, unsigned long, unsigned long); - void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame) - { - #ifdef CONFIG_KALLSYMS -- printk("[<%08lx>] (%ps) from [<%08lx>] (%pS)\n", where, (void *)where, from, (void *)from); -+ printk("[<%08lx>] (%pA) from [<%08lx>] (%pA)\n", where, (void *)where, from, (void *)from); - #else - printk("Function entered at [<%08lx>] from [<%08lx>]\n", where, from); - #endif -@@ -287,6 +287,8 @@ static arch_spinlock_t die_lock = __ARCH_SPIN_LOCK_UNLOCKED; - static int die_owner = -1; - static unsigned int die_nest_count; - -+extern void gr_handle_kernel_exploit(void); -+ - static unsigned long oops_begin(void) - { - int cpu; -@@ -329,6 +331,9 @@ static void oops_end(unsigned long flags, struct pt_regs *regs, int signr) - panic("Fatal exception in interrupt"); - if (panic_on_oops) - panic("Fatal exception"); -+ -+ gr_handle_kernel_exploit(); -+ - if (signr) - do_exit(signr); - } -diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S -index f7f55df..49c9f9e 100644 ---- a/arch/arm/kernel/vmlinux.lds.S -+++ b/arch/arm/kernel/vmlinux.lds.S -@@ -44,7 +44,8 @@ - #endif - - #if (defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK)) || \ -- defined(CONFIG_GENERIC_BUG) || defined(CONFIG_JUMP_LABEL) -+ defined(CONFIG_GENERIC_BUG) || defined(CONFIG_JUMP_LABEL) || \ -+ defined(CONFIG_PAX_REFCOUNT) - #define ARM_EXIT_KEEP(x) x - #define ARM_EXIT_DISCARD(x) - #else -diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c -index 19b5f5c..9aa8e58 100644 ---- a/arch/arm/kvm/arm.c -+++ b/arch/arm/kvm/arm.c -@@ -59,7 +59,7 @@ static unsigned long hyp_default_vectors; - static DEFINE_PER_CPU(struct kvm_vcpu *, kvm_arm_running_vcpu); - - /* The VMID used in the VTTBR */ --static atomic64_t kvm_vmid_gen = ATOMIC64_INIT(1); -+static atomic64_unchecked_t kvm_vmid_gen = ATOMIC64_INIT(1); - static u32 kvm_next_vmid; - static unsigned int kvm_vmid_bits __read_mostly; - static DEFINE_SPINLOCK(kvm_vmid_lock); -@@ -423,7 +423,7 @@ void force_vm_exit(const cpumask_t *mask) - */ - static bool need_new_vmid_gen(struct kvm *kvm) - { -- return unlikely(kvm->arch.vmid_gen != atomic64_read(&kvm_vmid_gen)); -+ return unlikely(kvm->arch.vmid_gen != atomic64_read_unchecked(&kvm_vmid_gen)); - } - - /** -@@ -456,7 +456,7 @@ static void update_vttbr(struct kvm *kvm) - - /* First user of a new VMID generation? */ - if (unlikely(kvm_next_vmid == 0)) { -- atomic64_inc(&kvm_vmid_gen); -+ atomic64_inc_unchecked(&kvm_vmid_gen); - kvm_next_vmid = 1; - - /* -@@ -473,7 +473,7 @@ static void update_vttbr(struct kvm *kvm) - kvm_call_hyp(__kvm_flush_vm_context); - } - -- kvm->arch.vmid_gen = atomic64_read(&kvm_vmid_gen); -+ kvm->arch.vmid_gen = atomic64_read_unchecked(&kvm_vmid_gen); - kvm->arch.vmid = kvm_next_vmid; - kvm_next_vmid++; - kvm_next_vmid &= (1 << kvm_vmid_bits) - 1; -diff --git a/arch/arm/lib/copy_page.S b/arch/arm/lib/copy_page.S -index 6ee2f67..d1cce76 100644 ---- a/arch/arm/lib/copy_page.S -+++ b/arch/arm/lib/copy_page.S -@@ -10,6 +10,7 @@ - * ASM optimised string functions - */ - #include -+#include - #include - #include - #include -diff --git a/arch/arm/lib/csumpartialcopyuser.S b/arch/arm/lib/csumpartialcopyuser.S -index 1712f13..a3165dc 100644 ---- a/arch/arm/lib/csumpartialcopyuser.S -+++ b/arch/arm/lib/csumpartialcopyuser.S -@@ -71,8 +71,8 @@ - * Returns : r0 = checksum, [[sp, #0], #0] = 0 or -EFAULT - */ - --#define FN_ENTRY ENTRY(csum_partial_copy_from_user) --#define FN_EXIT ENDPROC(csum_partial_copy_from_user) -+#define FN_ENTRY ENTRY(__csum_partial_copy_from_user) -+#define FN_EXIT ENDPROC(__csum_partial_copy_from_user) - - #include "csumpartialcopygeneric.S" - -diff --git a/arch/arm/lib/uaccess_with_memcpy.c b/arch/arm/lib/uaccess_with_memcpy.c -index 6bd1089..e999400 100644 ---- a/arch/arm/lib/uaccess_with_memcpy.c -+++ b/arch/arm/lib/uaccess_with_memcpy.c -@@ -84,7 +84,7 @@ pin_page_for_write(const void __user *_addr, pte_t **ptep, spinlock_t **ptlp) - return 1; - } - --static unsigned long noinline -+static unsigned long noinline __size_overflow(3) - __copy_to_user_memcpy(void __user *to, const void *from, unsigned long n) - { - unsigned long ua_flags; -@@ -157,7 +157,7 @@ arm_copy_to_user(void __user *to, const void *from, unsigned long n) - return n; - } - --static unsigned long noinline -+static unsigned long noinline __size_overflow(2) - __clear_user_memset(void __user *addr, unsigned long n) - { - unsigned long ua_flags; -diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c -index 06332f6..1fa0c71 100644 ---- a/arch/arm/mach-exynos/suspend.c -+++ b/arch/arm/mach-exynos/suspend.c -@@ -724,8 +724,10 @@ void __init exynos_pm_init(void) - tmp |= pm_data->wake_disable_mask; - pmu_raw_writel(tmp, S5P_WAKEUP_MASK); - -- exynos_pm_syscore_ops.suspend = pm_data->pm_suspend; -- exynos_pm_syscore_ops.resume = pm_data->pm_resume; -+ pax_open_kernel(); -+ const_cast(exynos_pm_syscore_ops.suspend) = pm_data->pm_suspend; -+ const_cast(exynos_pm_syscore_ops.resume) = pm_data->pm_resume; -+ pax_close_kernel(); - - register_syscore_ops(&exynos_pm_syscore_ops); - suspend_set_ops(&exynos_suspend_ops); -diff --git a/arch/arm/mach-mmp/mmp2.c b/arch/arm/mach-mmp/mmp2.c -index afba546..9e5403d 100644 ---- a/arch/arm/mach-mmp/mmp2.c -+++ b/arch/arm/mach-mmp/mmp2.c -@@ -98,7 +98,9 @@ void __init mmp2_init_irq(void) - { - mmp2_init_icu(); - #ifdef CONFIG_PM -- icu_irq_chip.irq_set_wake = mmp2_set_wake; -+ pax_open_kernel(); -+ const_cast(icu_irq_chip.irq_set_wake) = mmp2_set_wake; -+ pax_close_kernel(); - #endif - } - -diff --git a/arch/arm/mach-mmp/pxa910.c b/arch/arm/mach-mmp/pxa910.c -index 1ccbba9..7a95c29 100644 ---- a/arch/arm/mach-mmp/pxa910.c -+++ b/arch/arm/mach-mmp/pxa910.c -@@ -84,7 +84,9 @@ void __init pxa910_init_irq(void) - { - icu_init_irq(); - #ifdef CONFIG_PM -- icu_irq_chip.irq_set_wake = pxa910_set_wake; -+ pax_open_kernel(); -+ const_cast(icu_irq_chip.irq_set_wake) = pxa910_set_wake; -+ pax_close_kernel(); - #endif - } - -diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c -index ae2a018..297ad08 100644 ---- a/arch/arm/mach-mvebu/coherency.c -+++ b/arch/arm/mach-mvebu/coherency.c -@@ -156,7 +156,7 @@ static void __init armada_370_coherency_init(struct device_node *np) - - /* - * This ioremap hook is used on Armada 375/38x to ensure that all MMIO -- * areas are mapped as MT_UNCACHED instead of MT_DEVICE. This is -+ * areas are mapped as MT_UNCACHED_RW instead of MT_DEVICE. This is - * needed for the HW I/O coherency mechanism to work properly without - * deadlock. - */ -@@ -164,7 +164,7 @@ static void __iomem * - armada_wa_ioremap_caller(phys_addr_t phys_addr, size_t size, - unsigned int mtype, void *caller) - { -- mtype = MT_UNCACHED; -+ mtype = MT_UNCACHED_RW; - return __arm_ioremap_caller(phys_addr, size, mtype, caller); - } - -@@ -174,7 +174,7 @@ static void __init armada_375_380_coherency_init(struct device_node *np) - - coherency_cpu_base = of_iomap(np, 0); - arch_ioremap_caller = armada_wa_ioremap_caller; -- pci_ioremap_set_mem_type(MT_UNCACHED); -+ pci_ioremap_set_mem_type(MT_UNCACHED_RW); - - /* - * We should switch the PL310 to I/O coherency mode only if -diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c -index f39bd51..866c780 100644 ---- a/arch/arm/mach-mvebu/pmsu.c -+++ b/arch/arm/mach-mvebu/pmsu.c -@@ -93,7 +93,7 @@ - #define ARMADA_370_CRYPT0_ENG_ATTR 0x1 - - extern void ll_disable_coherency(void); --extern void ll_enable_coherency(void); -+extern int ll_enable_coherency(void); - - extern void armada_370_xp_cpu_resume(void); - extern void armada_38x_cpu_resume(void); -diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c -index 6b6fda6..232df1e 100644 ---- a/arch/arm/mach-omap2/board-n8x0.c -+++ b/arch/arm/mach-omap2/board-n8x0.c -@@ -568,7 +568,7 @@ static int n8x0_menelaus_late_init(struct device *dev) - } - #endif - --struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = { -+struct menelaus_platform_data n8x0_menelaus_platform_data __initconst = { - .late_init = n8x0_menelaus_late_init, - }; - -diff --git a/arch/arm/mach-omap2/omap-mpuss-lowpower.c b/arch/arm/mach-omap2/omap-mpuss-lowpower.c -index 7d62ad4..97774b1 100644 ---- a/arch/arm/mach-omap2/omap-mpuss-lowpower.c -+++ b/arch/arm/mach-omap2/omap-mpuss-lowpower.c -@@ -89,7 +89,7 @@ struct cpu_pm_ops { - void (*resume)(void); - void (*scu_prepare)(unsigned int cpu_id, unsigned int cpu_state); - void (*hotplug_restart)(void); --}; -+} __no_const; - - static DEFINE_PER_CPU(struct omap4_cpu_pm_info, omap4_pm_info); - static struct powerdomain *mpuss_pd; -@@ -107,7 +107,7 @@ static void dummy_cpu_resume(void) - static void dummy_scu_prepare(unsigned int cpu_id, unsigned int cpu_state) - {} - --static struct cpu_pm_ops omap_pm_ops = { -+static struct cpu_pm_ops omap_pm_ops __read_only = { - .finish_suspend = default_finish_suspend, - .resume = dummy_cpu_resume, - .scu_prepare = dummy_scu_prepare, -diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c -index b4de3da..e027393 100644 ---- a/arch/arm/mach-omap2/omap-smp.c -+++ b/arch/arm/mach-omap2/omap-smp.c -@@ -19,6 +19,7 @@ - #include - #include - #include -+#include - #include - - #include -diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c -index e920dd8..ef999171 100644 ---- a/arch/arm/mach-omap2/omap_device.c -+++ b/arch/arm/mach-omap2/omap_device.c -@@ -530,7 +530,7 @@ void omap_device_delete(struct omap_device *od) - struct platform_device __init *omap_device_build(const char *pdev_name, - int pdev_id, - struct omap_hwmod *oh, -- void *pdata, int pdata_len) -+ const void *pdata, int pdata_len) - { - struct omap_hwmod *ohs[] = { oh }; - -@@ -558,7 +558,7 @@ struct platform_device __init *omap_device_build(const char *pdev_name, - struct platform_device __init *omap_device_build_ss(const char *pdev_name, - int pdev_id, - struct omap_hwmod **ohs, -- int oh_cnt, void *pdata, -+ int oh_cnt, const void *pdata, - int pdata_len) - { - int ret = -ENOMEM; -diff --git a/arch/arm/mach-omap2/omap_device.h b/arch/arm/mach-omap2/omap_device.h -index 78c02b3..c94109a 100644 ---- a/arch/arm/mach-omap2/omap_device.h -+++ b/arch/arm/mach-omap2/omap_device.h -@@ -72,12 +72,12 @@ int omap_device_idle(struct platform_device *pdev); - /* Core code interface */ - - struct platform_device *omap_device_build(const char *pdev_name, int pdev_id, -- struct omap_hwmod *oh, void *pdata, -+ struct omap_hwmod *oh, const void *pdata, - int pdata_len); - - struct platform_device *omap_device_build_ss(const char *pdev_name, int pdev_id, - struct omap_hwmod **oh, int oh_cnt, -- void *pdata, int pdata_len); -+ const void *pdata, int pdata_len); - - struct omap_device *omap_device_alloc(struct platform_device *pdev, - struct omap_hwmod **ohs, int oh_cnt); -diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c -index 1052b29..54669b0 100644 ---- a/arch/arm/mach-omap2/omap_hwmod.c -+++ b/arch/arm/mach-omap2/omap_hwmod.c -@@ -206,10 +206,10 @@ struct omap_hwmod_soc_ops { - void (*update_context_lost)(struct omap_hwmod *oh); - int (*get_context_lost)(struct omap_hwmod *oh); - int (*disable_direct_prcm)(struct omap_hwmod *oh); --}; -+} __no_const; - - /* soc_ops: adapts the omap_hwmod code to the currently-booted SoC */ --static struct omap_hwmod_soc_ops soc_ops; -+static struct omap_hwmod_soc_ops soc_ops __read_only; - - /* omap_hwmod_list contains all registered struct omap_hwmods */ - static LIST_HEAD(omap_hwmod_list); -diff --git a/arch/arm/mach-omap2/powerdomains43xx_data.c b/arch/arm/mach-omap2/powerdomains43xx_data.c -index 95fee54..b5dd79d 100644 ---- a/arch/arm/mach-omap2/powerdomains43xx_data.c -+++ b/arch/arm/mach-omap2/powerdomains43xx_data.c -@@ -10,6 +10,7 @@ - - #include - #include -+#include - - #include "powerdomain.h" - -@@ -129,7 +130,9 @@ static int am43xx_check_vcvp(void) - - void __init am43xx_powerdomains_init(void) - { -- omap4_pwrdm_operations.pwrdm_has_voltdm = am43xx_check_vcvp; -+ pax_open_kernel(); -+ const_cast(omap4_pwrdm_operations.pwrdm_has_voltdm) = am43xx_check_vcvp; -+ pax_close_kernel(); - pwrdm_register_platform_funcs(&omap4_pwrdm_operations); - pwrdm_register_pwrdms(powerdomains_am43xx); - pwrdm_complete_init(); -diff --git a/arch/arm/mach-omap2/wd_timer.c b/arch/arm/mach-omap2/wd_timer.c -index ff0a68c..b312aa0 100644 ---- a/arch/arm/mach-omap2/wd_timer.c -+++ b/arch/arm/mach-omap2/wd_timer.c -@@ -110,7 +110,9 @@ static int __init omap_init_wdt(void) - struct omap_hwmod *oh; - char *oh_name = "wd_timer2"; - char *dev_name = "omap_wdt"; -- struct omap_wd_timer_platform_data pdata; -+ static struct omap_wd_timer_platform_data pdata = { -+ .read_reset_sources = prm_read_reset_sources -+ }; - - if (!cpu_class_is_omap2() || of_have_populated_dt()) - return 0; -@@ -121,8 +123,6 @@ static int __init omap_init_wdt(void) - return -EINVAL; - } - -- pdata.read_reset_sources = prm_read_reset_sources; -- - pdev = omap_device_build(dev_name, id, oh, &pdata, - sizeof(struct omap_wd_timer_platform_data)); - WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s.\n", -diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c -index 92ec8c3..3b09472 100644 ---- a/arch/arm/mach-s3c64xx/mach-smdk6410.c -+++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c -@@ -240,7 +240,7 @@ static struct platform_device smdk6410_b_pwr_5v = { - }; - #endif - --static struct s3c_ide_platdata smdk6410_ide_pdata __initdata = { -+static const struct s3c_ide_platdata smdk6410_ide_pdata __initconst = { - .setup_gpio = s3c64xx_ide_setup_gpio, - }; - -diff --git a/arch/arm/mach-shmobile/platsmp-apmu.c b/arch/arm/mach-shmobile/platsmp-apmu.c -index 0c6bb45..0f18d70 100644 ---- a/arch/arm/mach-shmobile/platsmp-apmu.c -+++ b/arch/arm/mach-shmobile/platsmp-apmu.c -@@ -22,6 +22,7 @@ - #include - #include - #include -+#include - #include "common.h" - #include "platsmp-apmu.h" - #include "rcar-gen2.h" -@@ -316,6 +317,8 @@ static int shmobile_smp_apmu_enter_suspend(suspend_state_t state) - - void __init shmobile_smp_apmu_suspend_init(void) - { -- shmobile_suspend_ops.enter = shmobile_smp_apmu_enter_suspend; -+ pax_open_kernel(); -+ const_cast(shmobile_suspend_ops.enter) = shmobile_smp_apmu_enter_suspend; -+ pax_close_kernel(); - } - #endif -diff --git a/arch/arm/mach-tegra/cpuidle-tegra20.c b/arch/arm/mach-tegra/cpuidle-tegra20.c -index afcee04..63e52ac 100644 ---- a/arch/arm/mach-tegra/cpuidle-tegra20.c -+++ b/arch/arm/mach-tegra/cpuidle-tegra20.c -@@ -178,7 +178,7 @@ static int tegra20_idle_lp2_coupled(struct cpuidle_device *dev, - bool entered_lp2 = false; - - if (tegra_pending_sgi()) -- ACCESS_ONCE(abort_flag) = true; -+ ACCESS_ONCE_RW(abort_flag) = true; - - cpuidle_coupled_parallel_barrier(dev, &abort_barrier); - -diff --git a/arch/arm/mach-tegra/irq.c b/arch/arm/mach-tegra/irq.c -index a69b22d..8523a03 100644 ---- a/arch/arm/mach-tegra/irq.c -+++ b/arch/arm/mach-tegra/irq.c -@@ -20,6 +20,7 @@ - #include - #include - #include -+#include - #include - #include - #include -diff --git a/arch/arm/mach-ux500/pm.c b/arch/arm/mach-ux500/pm.c -index a970e7f..6f2bf9a 100644 ---- a/arch/arm/mach-ux500/pm.c -+++ b/arch/arm/mach-ux500/pm.c -@@ -10,6 +10,7 @@ - */ - - #include -+#include - #include - #include - #include -diff --git a/arch/arm/mach-zynq/platsmp.c b/arch/arm/mach-zynq/platsmp.c -index 7cd9865..a00b6ab 100644 ---- a/arch/arm/mach-zynq/platsmp.c -+++ b/arch/arm/mach-zynq/platsmp.c -@@ -24,6 +24,7 @@ - #include - #include - #include -+#include - #include - #include "common.h" - -diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig -index c1799dd..9111dcc 100644 ---- a/arch/arm/mm/Kconfig -+++ b/arch/arm/mm/Kconfig -@@ -446,6 +446,7 @@ config CPU_32v5 - - config CPU_32v6 - bool -+ select CPU_USE_DOMAINS if CPU_V6 && MMU && !PAX_KERNEXEC && !PAX_MEMORY_UDEREF - select TLS_REG_EMUL if !CPU_32v6K && !MMU - - config CPU_32v6K -@@ -603,6 +604,7 @@ config CPU_CP15_MPU - - config CPU_USE_DOMAINS - bool -+ depends on !ARM_LPAE && !PAX_KERNEXEC && !PAX_MEMORY_UDEREF - help - This option enables or disables the use of domain switching - via the set_fs() function. -@@ -813,7 +815,7 @@ config NEED_KUSER_HELPERS - - config KUSER_HELPERS - bool "Enable kuser helpers in vector page" if !NEED_KUSER_HELPERS -- depends on MMU -+ depends on MMU && (!(CPU_V6 || CPU_V6K || CPU_V7) || GRKERNSEC_OLD_ARM_USERLAND) - default y - help - Warning: disabling this option may break user programs. -@@ -827,7 +829,7 @@ config KUSER_HELPERS - See Documentation/arm/kernel_user_helpers.txt for details. - - However, the fixed address nature of these helpers can be used -- by ROP (return orientated programming) authors when creating -+ by ROP (Return Oriented Programming) authors when creating - exploits. - - If all of the binaries and libraries which run on your platform -@@ -842,7 +844,7 @@ config KUSER_HELPERS - - config VDSO - bool "Enable VDSO for acceleration of some system calls" -- depends on AEABI && MMU && CPU_V7 -+ depends on AEABI && MMU && CPU_V7 && !PAX_KERNEXEC && !PAX_MEMORY_UDEREF - default y if ARM_ARCH_TIMER - select GENERIC_TIME_VSYSCALL - help -diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c -index 7d5f4c7..c6a0816 100644 ---- a/arch/arm/mm/alignment.c -+++ b/arch/arm/mm/alignment.c -@@ -778,6 +778,7 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs) - u16 tinstr = 0; - int isize = 4; - int thumb2_32b = 0; -+ bool is_user_mode = user_mode(regs); - - if (interrupts_enabled(regs)) - local_irq_enable(); -@@ -786,14 +787,24 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs) - - if (thumb_mode(regs)) { - u16 *ptr = (u16 *)(instrptr & ~1); -- fault = probe_kernel_address(ptr, tinstr); -+ if (is_user_mode) { -+ pax_open_userland(); -+ fault = probe_kernel_address(ptr, tinstr); -+ pax_close_userland(); -+ } else -+ fault = probe_kernel_address(ptr, tinstr); - tinstr = __mem_to_opcode_thumb16(tinstr); - if (!fault) { - if (cpu_architecture() >= CPU_ARCH_ARMv7 && - IS_T32(tinstr)) { - /* Thumb-2 32-bit */ - u16 tinst2 = 0; -- fault = probe_kernel_address(ptr + 1, tinst2); -+ if (is_user_mode) { -+ pax_open_userland(); -+ fault = probe_kernel_address(ptr + 1, tinst2); -+ pax_close_userland(); -+ } else -+ fault = probe_kernel_address(ptr + 1, tinst2); - tinst2 = __mem_to_opcode_thumb16(tinst2); - instr = __opcode_thumb32_compose(tinstr, tinst2); - thumb2_32b = 1; -@@ -803,7 +814,12 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs) - } - } - } else { -- fault = probe_kernel_address((void *)instrptr, instr); -+ if (is_user_mode) { -+ pax_open_userland(); -+ fault = probe_kernel_address((void *)instrptr, instr); -+ pax_close_userland(); -+ } else -+ fault = probe_kernel_address((void *)instrptr, instr); - instr = __mem_to_opcode_arm(instr); - } - -@@ -812,7 +828,7 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs) - goto bad_or_fault; - } - -- if (user_mode(regs)) -+ if (is_user_mode) - goto user; - - ai_sys += 1; -diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c -index d1870c7..36d500f 100644 ---- a/arch/arm/mm/cache-l2x0.c -+++ b/arch/arm/mm/cache-l2x0.c -@@ -44,7 +44,7 @@ struct l2c_init_data { - void (*configure)(void __iomem *); - void (*unlock)(void __iomem *, unsigned); - struct outer_cache_fns outer_cache; --}; -+} __do_const; - - #define CACHE_LINE_SIZE 32 - -diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c -index c8c8b9e..c55cc79 100644 ---- a/arch/arm/mm/context.c -+++ b/arch/arm/mm/context.c -@@ -43,7 +43,7 @@ - #define NUM_USER_ASIDS ASID_FIRST_VERSION - - static DEFINE_RAW_SPINLOCK(cpu_asid_lock); --static atomic64_t asid_generation = ATOMIC64_INIT(ASID_FIRST_VERSION); -+static atomic64_unchecked_t asid_generation = ATOMIC64_INIT(ASID_FIRST_VERSION); - static DECLARE_BITMAP(asid_map, NUM_USER_ASIDS); - - static DEFINE_PER_CPU(atomic64_t, active_asids); -@@ -193,7 +193,7 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu) - { - static u32 cur_idx = 1; - u64 asid = atomic64_read(&mm->context.id); -- u64 generation = atomic64_read(&asid_generation); -+ u64 generation = atomic64_read_unchecked(&asid_generation); - - if (asid != 0) { - u64 newasid = generation | (asid & ~ASID_MASK); -@@ -225,7 +225,7 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu) - */ - asid = find_next_zero_bit(asid_map, NUM_USER_ASIDS, cur_idx); - if (asid == NUM_USER_ASIDS) { -- generation = atomic64_add_return(ASID_FIRST_VERSION, -+ generation = atomic64_add_return_unchecked(ASID_FIRST_VERSION, - &asid_generation); - flush_context(cpu); - asid = find_next_zero_bit(asid_map, NUM_USER_ASIDS, 1); -@@ -254,14 +254,14 @@ void check_and_switch_context(struct mm_struct *mm, struct task_struct *tsk) - cpu_set_reserved_ttbr0(); - - asid = atomic64_read(&mm->context.id); -- if (!((asid ^ atomic64_read(&asid_generation)) >> ASID_BITS) -+ if (!((asid ^ atomic64_read_unchecked(&asid_generation)) >> ASID_BITS) - && atomic64_xchg(&per_cpu(active_asids, cpu), asid)) - goto switch_mm_fastpath; - - raw_spin_lock_irqsave(&cpu_asid_lock, flags); - /* Check that our ASID belongs to the current generation. */ - asid = atomic64_read(&mm->context.id); -- if ((asid ^ atomic64_read(&asid_generation)) >> ASID_BITS) { -+ if ((asid ^ atomic64_read_unchecked(&asid_generation)) >> ASID_BITS) { - asid = new_context(mm, cpu); - atomic64_set(&mm->context.id, asid); - } -diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c -index 0122ad1..1aae1cb 100644 ---- a/arch/arm/mm/fault.c -+++ b/arch/arm/mm/fault.c -@@ -25,6 +25,7 @@ - #include - #include - #include -+#include - - #include "fault.h" - -@@ -138,6 +139,31 @@ __do_kernel_fault(struct mm_struct *mm, unsigned long addr, unsigned int fsr, - if (fixup_exception(regs)) - return; - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (addr < TASK_SIZE) { -+ if (current->signal->curr_ip) -+ printk(KERN_EMERG "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to access userland memory at %08lx\n", ¤t->signal->curr_ip, current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), addr); -+ else -+ printk(KERN_EMERG "PAX: %s:%d, uid/euid: %u/%u, attempted to access userland memory at %08lx\n", current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), addr); -+ } -+#endif -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ if ((fsr & FSR_WRITE) && -+ (((unsigned long)_stext <= addr && addr < init_mm.end_code) || -+ (MODULES_VADDR <= addr && addr < MODULES_END))) -+ { -+ if (current->signal->curr_ip) -+ printk(KERN_EMERG "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n", ¤t->signal->curr_ip, current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid())); -+ else -+ printk(KERN_EMERG "PAX: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n", current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid())); -+ } -+#endif -+ - /* - * No handler, we'll have to terminate things with extreme prejudice. - */ -@@ -173,6 +199,13 @@ __do_user_fault(struct task_struct *tsk, unsigned long addr, - } - #endif - -+#ifdef CONFIG_PAX_PAGEEXEC -+ if ((tsk->mm->pax_flags & MF_PAX_PAGEEXEC) && (fsr & FSR_LNX_PF)) { -+ pax_report_fault(regs, (void *)regs->ARM_pc, (void *)regs->ARM_sp); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - tsk->thread.address = addr; - tsk->thread.error_code = fsr; - tsk->thread.trap_no = 14; -@@ -400,6 +433,33 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) - } - #endif /* CONFIG_MMU */ - -+#ifdef CONFIG_PAX_PAGEEXEC -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 20; i++) { -+ unsigned char c; -+ if (get_user(c, (__force unsigned char __user *)pc+i)) -+ printk(KERN_CONT "?? "); -+ else -+ printk(KERN_CONT "%02x ", c); -+ } -+ printk("\n"); -+ -+ printk(KERN_ERR "PAX: bytes at SP-4: "); -+ for (i = -1; i < 20; i++) { -+ unsigned long c; -+ if (get_user(c, (__force unsigned long __user *)sp+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08lx ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - /* - * First Level Translation Fault Handler - * -@@ -547,9 +607,22 @@ do_DataAbort(unsigned long addr, unsigned int fsr, struct pt_regs *regs) - const struct fsr_info *inf = fsr_info + fsr_fs(fsr); - struct siginfo info; - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (addr < TASK_SIZE && is_domain_fault(fsr)) { -+ if (current->signal->curr_ip) -+ printk(KERN_EMERG "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to access userland memory at %08lx\n", ¤t->signal->curr_ip, current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), addr); -+ else -+ printk(KERN_EMERG "PAX: %s:%d, uid/euid: %u/%u, attempted to access userland memory at %08lx\n", current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), addr); -+ goto die; -+ } -+#endif -+ - if (!inf->fn(addr, fsr & ~FSR_LNX_PF, regs)) - return; - -+die: - pr_alert("Unhandled fault: %s (0x%03x) at 0x%08lx\n", - inf->name, fsr, addr); - show_pte(current->mm, addr); -@@ -574,15 +647,118 @@ hook_ifault_code(int nr, int (*fn)(unsigned long, unsigned int, struct pt_regs * - ifsr_info[nr].name = name; - } - -+asmlinkage int sys_sigreturn(struct pt_regs *regs); -+asmlinkage int sys_rt_sigreturn(struct pt_regs *regs); -+ - asmlinkage void __exception - do_PrefetchAbort(unsigned long addr, unsigned int ifsr, struct pt_regs *regs) - { - const struct fsr_info *inf = ifsr_info + fsr_fs(ifsr); - struct siginfo info; -+ unsigned long pc = instruction_pointer(regs); -+ -+ if (user_mode(regs)) { -+ unsigned long sigpage = current->mm->context.sigpage; -+ -+ if (sigpage <= pc && pc < sigpage + 7*4) { -+ if (pc < sigpage + 3*4) -+ sys_sigreturn(regs); -+ else -+ sys_rt_sigreturn(regs); -+ return; -+ } -+ if (pc == 0xffff0f60UL) { -+ /* -+ * PaX: __kuser_cmpxchg64 emulation -+ */ -+ // TODO -+ //regs->ARM_pc = regs->ARM_lr; -+ //return; -+ } -+ if (pc == 0xffff0fa0UL) { -+ /* -+ * PaX: __kuser_memory_barrier emulation -+ */ -+ // dmb(); implied by the exception -+ regs->ARM_pc = regs->ARM_lr; -+#ifdef CONFIG_ARM_THUMB -+ if (regs->ARM_lr & 1) { -+ regs->ARM_cpsr |= PSR_T_BIT; -+ regs->ARM_pc &= ~0x1U; -+ } else -+ regs->ARM_cpsr &= ~PSR_T_BIT; -+#endif -+ return; -+ } -+ if (pc == 0xffff0fc0UL) { -+ /* -+ * PaX: __kuser_cmpxchg emulation -+ */ -+ // TODO -+ //long new; -+ //int op; -+ -+ //op = FUTEX_OP_SET << 28; -+ //new = futex_atomic_op_inuser(op, regs->ARM_r2); -+ //regs->ARM_r0 = old != new; -+ //regs->ARM_pc = regs->ARM_lr; -+ //return; -+ } -+ if (pc == 0xffff0fe0UL) { -+ /* -+ * PaX: __kuser_get_tls emulation -+ */ -+ regs->ARM_r0 = current_thread_info()->tp_value[0]; -+ regs->ARM_pc = regs->ARM_lr; -+#ifdef CONFIG_ARM_THUMB -+ if (regs->ARM_lr & 1) { -+ regs->ARM_cpsr |= PSR_T_BIT; -+ regs->ARM_pc &= ~0x1U; -+ } else -+ regs->ARM_cpsr &= ~PSR_T_BIT; -+#endif -+ return; -+ } -+ } -+ -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ else if (is_domain_fault(ifsr) || is_xn_fault(ifsr)) { -+ if (current->signal->curr_ip) -+ printk(KERN_EMERG "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to execute %s memory at %08lx\n", ¤t->signal->curr_ip, current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), -+ pc >= TASK_SIZE ? "non-executable kernel" : "userland", pc); -+ else -+ printk(KERN_EMERG "PAX: %s:%d, uid/euid: %u/%u, attempted to execute %s memory at %08lx\n", current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), -+ pc >= TASK_SIZE ? "non-executable kernel" : "userland", pc); -+ goto die; -+ } -+#endif -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ if (fsr_fs(ifsr) == FAULT_CODE_DEBUG) { -+#ifdef CONFIG_THUMB2_KERNEL -+ unsigned short bkpt; -+ -+ if (!probe_kernel_address((const unsigned short *)pc, bkpt) && cpu_to_le16(bkpt) == 0xbef1) { -+#else -+ unsigned int bkpt; -+ -+ if (!probe_kernel_address((const unsigned int *)pc, bkpt) && cpu_to_le32(bkpt) == 0xe12f1073) { -+#endif -+ current->thread.error_code = ifsr; -+ current->thread.trap_no = 0; -+ pax_report_refcount_error(regs, NULL); -+ fixup_exception(regs); -+ return; -+ } -+ } -+#endif - - if (!inf->fn(addr, ifsr | FSR_LNX_PF, regs)) - return; - -+die: - pr_alert("Unhandled prefetch abort: %s (0x%03x) at 0x%08lx\n", - inf->name, ifsr, addr); - -diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h -index afc1f84..b1daab5 100644 ---- a/arch/arm/mm/fault.h -+++ b/arch/arm/mm/fault.h -@@ -3,6 +3,7 @@ - - /* - * Fault status register encodings. We steal bit 31 for our own purposes. -+ * Set when the FSR value is from an instruction fault. - */ - #define FSR_LNX_PF (1 << 31) - #define FSR_WRITE (1 << 11) -@@ -26,6 +27,17 @@ static inline int fsr_fs(unsigned int fsr) - } - #endif - -+/* valid for LPAE and !LPAE */ -+static inline int is_xn_fault(unsigned int fsr) -+{ -+ return ((fsr_fs(fsr) & 0x3c) == 0xc); -+} -+ -+static inline int is_domain_fault(unsigned int fsr) -+{ -+ return ((fsr_fs(fsr) & 0xD) == 0x9); -+} -+ - void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs); - void early_abt_enable(void); - -diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c -index 370581a..b985cc1 100644 ---- a/arch/arm/mm/init.c -+++ b/arch/arm/mm/init.c -@@ -747,7 +747,46 @@ void free_tcmmem(void) - { - #ifdef CONFIG_HAVE_TCM - extern char __tcm_start, __tcm_end; -+#endif - -+#ifdef CONFIG_PAX_KERNEXEC -+ unsigned long addr; -+ pgd_t *pgd; -+ pud_t *pud; -+ pmd_t *pmd; -+ int cpu_arch = cpu_architecture(); -+ unsigned int cr = get_cr(); -+ -+ if (cpu_arch >= CPU_ARCH_ARMv6 && (cr & CR_XP)) { -+ /* make pages tables, etc before .text NX */ -+ for (addr = PAGE_OFFSET; addr < (unsigned long)_stext; addr += SECTION_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+ __section_update(pmd, addr, PMD_SECT_XN); -+ } -+ /* make init NX */ -+ for (addr = (unsigned long)__init_begin; addr < (unsigned long)_sdata; addr += SECTION_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+ __section_update(pmd, addr, PMD_SECT_XN); -+ } -+ /* make kernel code/rodata RX */ -+ for (addr = (unsigned long)_stext; addr < (unsigned long)__init_begin; addr += SECTION_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+#ifdef CONFIG_ARM_LPAE -+ __section_update(pmd, addr, PMD_SECT_RDONLY); -+#else -+ __section_update(pmd, addr, PMD_SECT_APX|PMD_SECT_AP_WRITE); -+#endif -+ } -+ } -+#endif -+ -+#ifdef CONFIG_HAVE_TCM - poison_init_mem(&__tcm_start, &__tcm_end - &__tcm_start); - free_reserved_area(&__tcm_start, &__tcm_end, -1, "TCM link"); - #endif -diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c -index ff0eed2..f17f1c9 100644 ---- a/arch/arm/mm/ioremap.c -+++ b/arch/arm/mm/ioremap.c -@@ -411,9 +411,9 @@ __arm_ioremap_exec(phys_addr_t phys_addr, size_t size, bool cached) - unsigned int mtype; - - if (cached) -- mtype = MT_MEMORY_RWX; -+ mtype = MT_MEMORY_RX; - else -- mtype = MT_MEMORY_RWX_NONCACHED; -+ mtype = MT_MEMORY_RX_NONCACHED; - - return __arm_ioremap_caller(phys_addr, size, mtype, - __builtin_return_address(0)); -diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c -index 66353ca..8aad9f8 100644 ---- a/arch/arm/mm/mmap.c -+++ b/arch/arm/mm/mmap.c -@@ -59,6 +59,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - struct vm_area_struct *vma; - int do_align = 0; - int aliasing = cache_is_vipt_aliasing(); -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - /* -@@ -81,6 +82,10 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - if (len > TASK_SIZE) - return -ENOMEM; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_align) - addr = COLOUR_ALIGN(addr, pgoff); -@@ -88,8 +93,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -99,19 +103,21 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - info.high_limit = TASK_SIZE; - info.align_mask = do_align ? (PAGE_MASK & (SHMLBA - 1)) : 0; - info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - - unsigned long --arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, -- const unsigned long len, const unsigned long pgoff, -- const unsigned long flags) -+arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr0, -+ unsigned long len, unsigned long pgoff, -+ unsigned long flags) - { - struct vm_area_struct *vma; - struct mm_struct *mm = current->mm; - unsigned long addr = addr0; - int do_align = 0; - int aliasing = cache_is_vipt_aliasing(); -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - /* -@@ -132,6 +138,10 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - return addr; - } - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - /* requesting a specific address */ - if (addr) { - if (do_align) -@@ -139,8 +149,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - else - addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -150,6 +159,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - info.high_limit = mm->mmap_base; - info.align_mask = do_align ? (PAGE_MASK & (SHMLBA - 1)) : 0; - info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - /* -@@ -182,14 +192,30 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - { - unsigned long random_factor = 0UL; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (current->flags & PF_RANDOMIZE) - random_factor = arch_mmap_rnd(); - - if (mmap_is_legacy()) { - mm->mmap_base = TASK_UNMAPPED_BASE + random_factor; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area; - } else { - mm->mmap_base = mmap_base(random_factor); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - } - } -diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c -index 4001dd1..c6dce7b 100644 ---- a/arch/arm/mm/mmu.c -+++ b/arch/arm/mm/mmu.c -@@ -243,6 +243,14 @@ __setup("noalign", noalign_setup); - #define PROT_PTE_S2_DEVICE PROT_PTE_DEVICE - #define PROT_SECT_DEVICE PMD_TYPE_SECT|PMD_SECT_AP_WRITE - -+#ifdef CONFIG_PAX_KERNEXEC -+#define L_PTE_KERNEXEC L_PTE_RDONLY -+#define PMD_SECT_KERNEXEC PMD_SECT_RDONLY -+#else -+#define L_PTE_KERNEXEC L_PTE_DIRTY -+#define PMD_SECT_KERNEXEC PMD_SECT_AP_WRITE -+#endif -+ - static struct mem_type mem_types[] __ro_after_init = { - [MT_DEVICE] = { /* Strongly ordered / ARMv6 shared device */ - .prot_pte = PROT_PTE_DEVICE | L_PTE_MT_DEV_SHARED | -@@ -272,19 +280,19 @@ static struct mem_type mem_types[] __ro_after_init = { - .prot_sect = PROT_SECT_DEVICE, - .domain = DOMAIN_IO, - }, -- [MT_UNCACHED] = { -+ [MT_UNCACHED_RW] = { - .prot_pte = PROT_PTE_DEVICE, - .prot_l1 = PMD_TYPE_TABLE, - .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN, - .domain = DOMAIN_IO, - }, -- [MT_CACHECLEAN] = { -- .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN, -+ [MT_CACHECLEAN_RO] = { -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN | PMD_SECT_RDONLY, - .domain = DOMAIN_KERNEL, - }, - #ifndef CONFIG_ARM_LPAE -- [MT_MINICLEAN] = { -- .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN | PMD_SECT_MINICACHE, -+ [MT_MINICLEAN_RO] = { -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_MINICACHE | PMD_SECT_XN | PMD_SECT_RDONLY, - .domain = DOMAIN_KERNEL, - }, - #endif -@@ -300,7 +308,7 @@ static struct mem_type mem_types[] __ro_after_init = { - .prot_l1 = PMD_TYPE_TABLE, - .domain = DOMAIN_VECTORS, - }, -- [MT_MEMORY_RWX] = { -+ [__MT_MEMORY_RWX] = { - .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY, - .prot_l1 = PMD_TYPE_TABLE, - .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE, -@@ -313,17 +321,30 @@ static struct mem_type mem_types[] __ro_after_init = { - .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE, - .domain = DOMAIN_KERNEL, - }, -- [MT_ROM] = { -- .prot_sect = PMD_TYPE_SECT, -+ [MT_MEMORY_RX] = { -+ .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_KERNEXEC, -+ .prot_l1 = PMD_TYPE_TABLE, -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_KERNEXEC, -+ .domain = DOMAIN_KERNEL, -+ }, -+ [MT_ROM_RX] = { -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_RDONLY, - .domain = DOMAIN_KERNEL, - }, -- [MT_MEMORY_RWX_NONCACHED] = { -+ [MT_MEMORY_RW_NONCACHED] = { - .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | - L_PTE_MT_BUFFERABLE, - .prot_l1 = PMD_TYPE_TABLE, - .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE, - .domain = DOMAIN_KERNEL, - }, -+ [MT_MEMORY_RX_NONCACHED] = { -+ .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_KERNEXEC | -+ L_PTE_MT_BUFFERABLE, -+ .prot_l1 = PMD_TYPE_TABLE, -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_KERNEXEC, -+ .domain = DOMAIN_KERNEL, -+ }, - [MT_MEMORY_RW_DTCM] = { - .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | - L_PTE_XN, -@@ -331,9 +352,10 @@ static struct mem_type mem_types[] __ro_after_init = { - .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN, - .domain = DOMAIN_KERNEL, - }, -- [MT_MEMORY_RWX_ITCM] = { -- .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY, -+ [MT_MEMORY_RX_ITCM] = { -+ .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_KERNEXEC, - .prot_l1 = PMD_TYPE_TABLE, -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_KERNEXEC, - .domain = DOMAIN_KERNEL, - }, - [MT_MEMORY_RW_SO] = { -@@ -586,9 +608,14 @@ static void __init build_mem_type_table(void) - * Mark cache clean areas and XIP ROM read only - * from SVC mode and no access from userspace. - */ -- mem_types[MT_ROM].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -- mem_types[MT_MINICLEAN].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -- mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -+ mem_types[MT_ROM_RX].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -+#ifdef CONFIG_PAX_KERNEXEC -+ mem_types[MT_MEMORY_RX].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -+ mem_types[MT_MEMORY_RX_ITCM].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -+#endif -+ mem_types[MT_MINICLEAN_RO].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -+ mem_types[MT_CACHECLEAN_RO].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; - #endif - - /* -@@ -605,13 +632,17 @@ static void __init build_mem_type_table(void) - mem_types[MT_DEVICE_WC].prot_pte |= L_PTE_SHARED; - mem_types[MT_DEVICE_CACHED].prot_sect |= PMD_SECT_S; - mem_types[MT_DEVICE_CACHED].prot_pte |= L_PTE_SHARED; -- mem_types[MT_MEMORY_RWX].prot_sect |= PMD_SECT_S; -- mem_types[MT_MEMORY_RWX].prot_pte |= L_PTE_SHARED; -+ mem_types[__MT_MEMORY_RWX].prot_sect |= PMD_SECT_S; -+ mem_types[__MT_MEMORY_RWX].prot_pte |= L_PTE_SHARED; - mem_types[MT_MEMORY_RW].prot_sect |= PMD_SECT_S; - mem_types[MT_MEMORY_RW].prot_pte |= L_PTE_SHARED; -+ mem_types[MT_MEMORY_RX].prot_sect |= PMD_SECT_S; -+ mem_types[MT_MEMORY_RX].prot_pte |= L_PTE_SHARED; - mem_types[MT_MEMORY_DMA_READY].prot_pte |= L_PTE_SHARED; -- mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |= PMD_SECT_S; -- mem_types[MT_MEMORY_RWX_NONCACHED].prot_pte |= L_PTE_SHARED; -+ mem_types[MT_MEMORY_RW_NONCACHED].prot_sect |= PMD_SECT_S; -+ mem_types[MT_MEMORY_RW_NONCACHED].prot_pte |= L_PTE_SHARED; -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= PMD_SECT_S; -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_pte |= L_PTE_SHARED; - } - } - -@@ -622,15 +653,20 @@ static void __init build_mem_type_table(void) - if (cpu_arch >= CPU_ARCH_ARMv6) { - if (cpu_arch >= CPU_ARCH_ARMv7 && (cr & CR_TRE)) { - /* Non-cacheable Normal is XCB = 001 */ -- mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |= -+ mem_types[MT_MEMORY_RW_NONCACHED].prot_sect |= -+ PMD_SECT_BUFFERED; -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= - PMD_SECT_BUFFERED; - } else { - /* For both ARMv6 and non-TEX-remapping ARMv7 */ -- mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |= -+ mem_types[MT_MEMORY_RW_NONCACHED].prot_sect |= -+ PMD_SECT_TEX(1); -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= - PMD_SECT_TEX(1); - } - } else { -- mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |= PMD_SECT_BUFFERABLE; -+ mem_types[MT_MEMORY_RW_NONCACHED].prot_sect |= PMD_SECT_BUFFERABLE; -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= PMD_SECT_BUFFERABLE; - } - - #ifdef CONFIG_ARM_LPAE -@@ -651,6 +687,8 @@ static void __init build_mem_type_table(void) - user_pgprot |= PTE_EXT_PXN; - #endif - -+ user_pgprot |= __supported_pte_mask; -+ - for (i = 0; i < 16; i++) { - pteval_t v = pgprot_val(protection_map[i]); - protection_map[i] = __pgprot(v | user_pgprot); -@@ -668,21 +706,24 @@ static void __init build_mem_type_table(void) - - mem_types[MT_LOW_VECTORS].prot_l1 |= ecc_mask; - mem_types[MT_HIGH_VECTORS].prot_l1 |= ecc_mask; -- mem_types[MT_MEMORY_RWX].prot_sect |= ecc_mask | cp->pmd; -- mem_types[MT_MEMORY_RWX].prot_pte |= kern_pgprot; -+ mem_types[__MT_MEMORY_RWX].prot_sect |= ecc_mask | cp->pmd; -+ mem_types[__MT_MEMORY_RWX].prot_pte |= kern_pgprot; - mem_types[MT_MEMORY_RW].prot_sect |= ecc_mask | cp->pmd; - mem_types[MT_MEMORY_RW].prot_pte |= kern_pgprot; -+ mem_types[MT_MEMORY_RX].prot_sect |= ecc_mask | cp->pmd; -+ mem_types[MT_MEMORY_RX].prot_pte |= kern_pgprot; - mem_types[MT_MEMORY_DMA_READY].prot_pte |= kern_pgprot; -- mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |= ecc_mask; -- mem_types[MT_ROM].prot_sect |= cp->pmd; -+ mem_types[MT_MEMORY_RW_NONCACHED].prot_sect |= ecc_mask; -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= ecc_mask; -+ mem_types[MT_ROM_RX].prot_sect |= cp->pmd; - - switch (cp->pmd) { - case PMD_SECT_WT: -- mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_WT; -+ mem_types[MT_CACHECLEAN_RO].prot_sect |= PMD_SECT_WT; - break; - case PMD_SECT_WB: - case PMD_SECT_WBWA: -- mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_WB; -+ mem_types[MT_CACHECLEAN_RO].prot_sect |= PMD_SECT_WB; - break; - } - pr_info("Memory policy: %sData cache %s\n", -@@ -959,7 +1000,7 @@ static void __init create_mapping(struct map_desc *md) - return; - } - -- if ((md->type == MT_DEVICE || md->type == MT_ROM) && -+ if ((md->type == MT_DEVICE || md->type == MT_ROM_RX) && - md->virtual >= PAGE_OFFSET && md->virtual < FIXADDR_START && - (md->virtual < VMALLOC_START || md->virtual >= VMALLOC_END)) { - pr_warn("BUG: mapping for 0x%08llx at 0x%08lx out of vmalloc space\n", -@@ -1320,18 +1361,15 @@ void __init arm_mm_memblock_reserve(void) - * Any other function or debugging method which may touch any device _will_ - * crash the kernel. - */ -+ -+static char vectors[PAGE_SIZE * 2] __read_only __aligned(PAGE_SIZE); -+ - static void __init devicemaps_init(const struct machine_desc *mdesc) - { - struct map_desc map; - unsigned long addr; -- void *vectors; - -- /* -- * Allocate the vector page early. -- */ -- vectors = early_alloc(PAGE_SIZE * 2); -- -- early_trap_init(vectors); -+ early_trap_init(&vectors); - - /* - * Clear page table except top pmd used by early fixmaps -@@ -1347,7 +1385,7 @@ static void __init devicemaps_init(const struct machine_desc *mdesc) - map.pfn = __phys_to_pfn(CONFIG_XIP_PHYS_ADDR & SECTION_MASK); - map.virtual = MODULES_VADDR; - map.length = ((unsigned long)_exiprom - map.virtual + ~SECTION_MASK) & SECTION_MASK; -- map.type = MT_ROM; -+ map.type = MT_ROM_RX; - create_mapping(&map); - #endif - -@@ -1358,14 +1396,14 @@ static void __init devicemaps_init(const struct machine_desc *mdesc) - map.pfn = __phys_to_pfn(FLUSH_BASE_PHYS); - map.virtual = FLUSH_BASE; - map.length = SZ_1M; -- map.type = MT_CACHECLEAN; -+ map.type = MT_CACHECLEAN_RO; - create_mapping(&map); - #endif - #ifdef FLUSH_BASE_MINICACHE - map.pfn = __phys_to_pfn(FLUSH_BASE_PHYS + SZ_1M); - map.virtual = FLUSH_BASE_MINICACHE; - map.length = SZ_1M; -- map.type = MT_MINICLEAN; -+ map.type = MT_MINICLEAN_RO; - create_mapping(&map); - #endif - -@@ -1374,7 +1412,7 @@ static void __init devicemaps_init(const struct machine_desc *mdesc) - * location (0xffff0000). If we aren't using high-vectors, also - * create a mapping at the low-vectors virtual address. - */ -- map.pfn = __phys_to_pfn(virt_to_phys(vectors)); -+ map.pfn = __phys_to_pfn(virt_to_phys(&vectors)); - map.virtual = 0xffff0000; - map.length = PAGE_SIZE; - #ifdef CONFIG_KUSER_HELPERS -@@ -1437,12 +1475,14 @@ static void __init kmap_init(void) - static void __init map_lowmem(void) - { - struct memblock_region *reg; -+#ifndef CONFIG_PAX_KERNEXEC - #ifdef CONFIG_XIP_KERNEL - phys_addr_t kernel_x_start = round_down(__pa(_sdata), SECTION_SIZE); - #else - phys_addr_t kernel_x_start = round_down(__pa(_stext), SECTION_SIZE); - #endif - phys_addr_t kernel_x_end = round_up(__pa(__init_end), SECTION_SIZE); -+#endif - - /* Map all the lowmem memory banks. */ - for_each_memblock(memory, reg) { -@@ -1458,11 +1498,48 @@ static void __init map_lowmem(void) - if (start >= end) - break; - -+#ifdef CONFIG_PAX_KERNEXEC -+ map.pfn = __phys_to_pfn(start); -+ map.virtual = __phys_to_virt(start); -+ map.length = end - start; -+ -+ if (map.virtual <= (unsigned long)_stext && ((unsigned long)_end < (map.virtual + map.length))) { -+ struct map_desc kernel; -+ struct map_desc initmap; -+ -+ /* when freeing initmem we will make this RW */ -+ initmap.pfn = __phys_to_pfn(__pa(__init_begin)); -+ initmap.virtual = (unsigned long)__init_begin; -+ initmap.length = _sdata - __init_begin; -+ initmap.type = __MT_MEMORY_RWX; -+ create_mapping(&initmap); -+ -+ /* when freeing initmem we will make this RX */ -+ kernel.pfn = __phys_to_pfn(__pa(_stext)); -+ kernel.virtual = (unsigned long)_stext; -+ kernel.length = __init_begin - _stext; -+ kernel.type = __MT_MEMORY_RWX; -+ create_mapping(&kernel); -+ -+ if (map.virtual < (unsigned long)_stext) { -+ map.length = (unsigned long)_stext - map.virtual; -+ map.type = __MT_MEMORY_RWX; -+ create_mapping(&map); -+ } -+ -+ map.pfn = __phys_to_pfn(__pa(_sdata)); -+ map.virtual = (unsigned long)_sdata; -+ map.length = end - __pa(_sdata); -+ } -+ -+ map.type = MT_MEMORY_RW; -+ create_mapping(&map); -+#else - if (end < kernel_x_start) { - map.pfn = __phys_to_pfn(start); - map.virtual = __phys_to_virt(start); - map.length = end - start; -- map.type = MT_MEMORY_RWX; -+ map.type = __MT_MEMORY_RWX; - - create_mapping(&map); - } else if (start >= kernel_x_end) { -@@ -1486,7 +1563,7 @@ static void __init map_lowmem(void) - map.pfn = __phys_to_pfn(kernel_x_start); - map.virtual = __phys_to_virt(kernel_x_start); - map.length = kernel_x_end - kernel_x_start; -- map.type = MT_MEMORY_RWX; -+ map.type = __MT_MEMORY_RWX; - - create_mapping(&map); - -@@ -1499,6 +1576,7 @@ static void __init map_lowmem(void) - create_mapping(&map); - } - } -+#endif - } - } - -diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c -index 93d0b6d..2db6d99 100644 ---- a/arch/arm/net/bpf_jit_32.c -+++ b/arch/arm/net/bpf_jit_32.c -@@ -20,6 +20,7 @@ - #include - #include - #include -+#include - - #include "bpf_jit_32.h" - -@@ -72,54 +73,38 @@ struct jit_ctx { - #endif - }; - -+#ifdef CONFIG_GRKERNSEC_BPF_HARDEN -+int bpf_jit_enable __read_only; -+#else - int bpf_jit_enable __read_mostly; -+#endif - --static inline int call_neg_helper(struct sk_buff *skb, int offset, void *ret, -- unsigned int size) --{ -- void *ptr = bpf_internal_load_pointer_neg_helper(skb, offset, size); -- -- if (!ptr) -- return -EFAULT; -- memcpy(ret, ptr, size); -- return 0; --} -- --static u64 jit_get_skb_b(struct sk_buff *skb, int offset) -+static u64 jit_get_skb_b(struct sk_buff *skb, unsigned offset) - { - u8 ret; - int err; - -- if (offset < 0) -- err = call_neg_helper(skb, offset, &ret, 1); -- else -- err = skb_copy_bits(skb, offset, &ret, 1); -+ err = skb_copy_bits(skb, offset, &ret, 1); - - return (u64)err << 32 | ret; - } - --static u64 jit_get_skb_h(struct sk_buff *skb, int offset) -+static u64 jit_get_skb_h(struct sk_buff *skb, unsigned offset) - { - u16 ret; - int err; - -- if (offset < 0) -- err = call_neg_helper(skb, offset, &ret, 2); -- else -- err = skb_copy_bits(skb, offset, &ret, 2); -+ err = skb_copy_bits(skb, offset, &ret, 2); - - return (u64)err << 32 | ntohs(ret); - } - --static u64 jit_get_skb_w(struct sk_buff *skb, int offset) -+static u64 jit_get_skb_w(struct sk_buff *skb, unsigned offset) - { - u32 ret; - int err; - -- if (offset < 0) -- err = call_neg_helper(skb, offset, &ret, 4); -- else -- err = skb_copy_bits(skb, offset, &ret, 4); -+ err = skb_copy_bits(skb, offset, &ret, 4); - - return (u64)err << 32 | ntohl(ret); - } -@@ -191,8 +176,10 @@ static void jit_fill_hole(void *area, unsigned int size) - { - u32 *ptr; - /* We are guaranteed to have aligned memory. */ -+ pax_open_kernel(); - for (ptr = area; size >= sizeof(u32); size -= sizeof(u32)) - *ptr++ = __opcode_to_mem_arm(ARM_INST_UDF); -+ pax_close_kernel(); - } - - static void build_prologue(struct jit_ctx *ctx) -@@ -554,6 +541,9 @@ static int build_body(struct jit_ctx *ctx) - case BPF_LD | BPF_B | BPF_ABS: - load_order = 0; - load: -+ /* the interpreter will deal with the negative K */ -+ if ((int)k < 0) -+ return -ENOTSUPP; - emit_mov_i(r_off, k, ctx); - load_common: - ctx->seen |= SEEN_DATA | SEEN_CALL; -@@ -568,18 +558,6 @@ static int build_body(struct jit_ctx *ctx) - condt = ARM_COND_HI; - } - -- /* -- * test for negative offset, only if we are -- * currently scheduled to take the fast -- * path. this will update the flags so that -- * the slowpath instruction are ignored if the -- * offset is negative. -- * -- * for loard_order == 0 the HI condition will -- * make loads at offset 0 take the slow path too. -- */ -- _emit(condt, ARM_CMP_I(r_off, 0), ctx); -- - _emit(condt, ARM_ADD_R(r_scratch, r_off, r_skb_data), - ctx); - -diff --git a/arch/arm/plat-iop/setup.c b/arch/arm/plat-iop/setup.c -index 8151bde..9be301f 100644 ---- a/arch/arm/plat-iop/setup.c -+++ b/arch/arm/plat-iop/setup.c -@@ -24,7 +24,7 @@ static struct map_desc iop3xx_std_desc[] __initdata = { - .virtual = IOP3XX_PERIPHERAL_VIRT_BASE, - .pfn = __phys_to_pfn(IOP3XX_PERIPHERAL_PHYS_BASE), - .length = IOP3XX_PERIPHERAL_SIZE, -- .type = MT_UNCACHED, -+ .type = MT_UNCACHED_RW, - }, - }; - -diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c -index a5bc92d..0bb4730 100644 ---- a/arch/arm/plat-omap/sram.c -+++ b/arch/arm/plat-omap/sram.c -@@ -93,6 +93,8 @@ void __init omap_map_sram(unsigned long start, unsigned long size, - * Looks like we need to preserve some bootloader code at the - * beginning of SRAM for jumping to flash for reboot to work... - */ -+ pax_open_kernel(); - memset_io(omap_sram_base + omap_sram_skip, 0, - omap_sram_size - omap_sram_skip); -+ pax_close_kernel(); - } -diff --git a/arch/arm/probes/kprobes/core.c b/arch/arm/probes/kprobes/core.c -index a4ec240..96faf9b 100644 ---- a/arch/arm/probes/kprobes/core.c -+++ b/arch/arm/probes/kprobes/core.c -@@ -485,6 +485,7 @@ static __used __kprobes void *trampoline_handler(struct pt_regs *regs) - return (void *)orig_ret_address; - } - -+#ifdef CONFIG_KRETPROBES - void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, - struct pt_regs *regs) - { -@@ -493,6 +494,7 @@ void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, - /* Replace the return addr with trampoline addr. */ - regs->ARM_lr = (unsigned long)&kretprobe_trampoline; - } -+#endif - - int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs) - { -@@ -605,10 +607,12 @@ int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs) - return 0; - } - -+#ifdef CONFIG_KRETPROBES - int __kprobes arch_trampoline_kprobe(struct kprobe *p) - { - return 0; - } -+#endif - - #ifdef CONFIG_THUMB2_KERNEL - -diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig -index cf57a77..ab33bd2 100644 ---- a/arch/arm64/Kconfig -+++ b/arch/arm64/Kconfig -@@ -906,6 +906,7 @@ config RELOCATABLE - - config RANDOMIZE_BASE - bool "Randomize the address of the kernel image" -+ depends on BROKEN_SECURITY - select ARM64_MODULE_PLTS if MODULES - select RELOCATABLE - help -diff --git a/arch/arm64/Kconfig.debug b/arch/arm64/Kconfig.debug -index b661fe7..6d124fc 100644 ---- a/arch/arm64/Kconfig.debug -+++ b/arch/arm64/Kconfig.debug -@@ -6,6 +6,7 @@ config ARM64_PTDUMP - bool "Export kernel pagetable layout to userspace via debugfs" - depends on DEBUG_KERNEL - select DEBUG_FS -+ depends on !GRKERNSEC_KMEM - help - Say Y here if you want to show the kernel pagetable layout in a - debugfs file. This information is only useful for kernel developers -diff --git a/arch/arm64/crypto/sha1-ce-glue.c b/arch/arm64/crypto/sha1-ce-glue.c -index aefda98..2937874 100644 ---- a/arch/arm64/crypto/sha1-ce-glue.c -+++ b/arch/arm64/crypto/sha1-ce-glue.c -@@ -29,7 +29,7 @@ struct sha1_ce_state { - u32 finalize; - }; - --asmlinkage void sha1_ce_transform(struct sha1_ce_state *sst, u8 const *src, -+asmlinkage void sha1_ce_transform(struct sha1_state *sst, u8 const *src, - int blocks); - - static int sha1_ce_update(struct shash_desc *desc, const u8 *data, -@@ -39,8 +39,7 @@ static int sha1_ce_update(struct shash_desc *desc, const u8 *data, - - sctx->finalize = 0; - kernel_neon_begin_partial(16); -- sha1_base_do_update(desc, data, len, -- (sha1_block_fn *)sha1_ce_transform); -+ sha1_base_do_update(desc, data, len, sha1_ce_transform); - kernel_neon_end(); - - return 0; -@@ -64,10 +63,9 @@ static int sha1_ce_finup(struct shash_desc *desc, const u8 *data, - sctx->finalize = finalize; - - kernel_neon_begin_partial(16); -- sha1_base_do_update(desc, data, len, -- (sha1_block_fn *)sha1_ce_transform); -+ sha1_base_do_update(desc, data, len, sha1_ce_transform); - if (!finalize) -- sha1_base_do_finalize(desc, (sha1_block_fn *)sha1_ce_transform); -+ sha1_base_do_finalize(desc, sha1_ce_transform); - kernel_neon_end(); - return sha1_base_finish(desc, out); - } -@@ -78,7 +76,7 @@ static int sha1_ce_final(struct shash_desc *desc, u8 *out) - - sctx->finalize = 0; - kernel_neon_begin_partial(16); -- sha1_base_do_finalize(desc, (sha1_block_fn *)sha1_ce_transform); -+ sha1_base_do_finalize(desc, sha1_ce_transform); - kernel_neon_end(); - return sha1_base_finish(desc, out); - } -diff --git a/arch/arm64/include/asm/atomic.h b/arch/arm64/include/asm/atomic.h -index c0235e0..86eb684 100644 ---- a/arch/arm64/include/asm/atomic.h -+++ b/arch/arm64/include/asm/atomic.h -@@ -57,11 +57,13 @@ - #define atomic_set(v, i) WRITE_ONCE(((v)->counter), (i)) - - #define atomic_add_return_relaxed atomic_add_return_relaxed -+#define atomic_add_return_unchecked_relaxed atomic_add_return_relaxed - #define atomic_add_return_acquire atomic_add_return_acquire - #define atomic_add_return_release atomic_add_return_release - #define atomic_add_return atomic_add_return - - #define atomic_inc_return_relaxed(v) atomic_add_return_relaxed(1, (v)) -+#define atomic_inc_return_unchecked_relaxed(v) atomic_add_return_relaxed(1, (v)) - #define atomic_inc_return_acquire(v) atomic_add_return_acquire(1, (v)) - #define atomic_inc_return_release(v) atomic_add_return_release(1, (v)) - #define atomic_inc_return(v) atomic_add_return(1, (v)) -@@ -128,6 +130,8 @@ - #define __atomic_add_unless(v, a, u) ___atomic_add_unless(v, a, u,) - #define atomic_andnot atomic_andnot - -+#define atomic_inc_return_unchecked_relaxed(v) atomic_add_return_relaxed(1, (v)) -+ - /* - * 64-bit atomic operations. - */ -@@ -206,5 +210,16 @@ - - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+#define atomic64_xchg_unchecked(v, n) atomic64_xchg((v), (n)) -+ - #endif - #endif -diff --git a/arch/arm64/include/asm/cache.h b/arch/arm64/include/asm/cache.h -index 5082b30..9ef38c2 100644 ---- a/arch/arm64/include/asm/cache.h -+++ b/arch/arm64/include/asm/cache.h -@@ -16,10 +16,14 @@ - #ifndef __ASM_CACHE_H - #define __ASM_CACHE_H - -+#include -+ - #include - -+#include -+ - #define L1_CACHE_SHIFT 7 --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - /* - * Memory returned by kmalloc() may be used for DMA, so we must make -diff --git a/arch/arm64/include/asm/percpu.h b/arch/arm64/include/asm/percpu.h -index 5394c84..05e5a95 100644 ---- a/arch/arm64/include/asm/percpu.h -+++ b/arch/arm64/include/asm/percpu.h -@@ -123,16 +123,16 @@ static inline void __percpu_write(void *ptr, unsigned long val, int size) - { - switch (size) { - case 1: -- ACCESS_ONCE(*(u8 *)ptr) = (u8)val; -+ ACCESS_ONCE_RW(*(u8 *)ptr) = (u8)val; - break; - case 2: -- ACCESS_ONCE(*(u16 *)ptr) = (u16)val; -+ ACCESS_ONCE_RW(*(u16 *)ptr) = (u16)val; - break; - case 4: -- ACCESS_ONCE(*(u32 *)ptr) = (u32)val; -+ ACCESS_ONCE_RW(*(u32 *)ptr) = (u32)val; - break; - case 8: -- ACCESS_ONCE(*(u64 *)ptr) = (u64)val; -+ ACCESS_ONCE_RW(*(u64 *)ptr) = (u64)val; - break; - default: - BUILD_BUG(); -diff --git a/arch/arm64/include/asm/pgalloc.h b/arch/arm64/include/asm/pgalloc.h -index d25f4f1..61d52da 100644 ---- a/arch/arm64/include/asm/pgalloc.h -+++ b/arch/arm64/include/asm/pgalloc.h -@@ -51,6 +51,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) - { - __pud_populate(pud, __pa(pmd), PMD_TYPE_TABLE); - } -+ -+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) -+{ -+ pud_populate(mm, pud, pmd); -+} - #else - static inline void __pud_populate(pud_t *pud, phys_addr_t pmd, pudval_t prot) - { -@@ -80,6 +85,11 @@ static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pud_t *pud) - { - __pgd_populate(pgd, __pa(pud), PUD_TYPE_TABLE); - } -+ -+static inline void pgd_populate_kernel(struct mm_struct *mm, pgd_t *pgd, pud_t *pud) -+{ -+ pgd_populate(mm, pgd, pud); -+} - #else - static inline void __pgd_populate(pgd_t *pgdp, phys_addr_t pud, pgdval_t prot) - { -diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h -index ffbb9a5..d8b49ff 100644 ---- a/arch/arm64/include/asm/pgtable.h -+++ b/arch/arm64/include/asm/pgtable.h -@@ -23,6 +23,9 @@ - #include - #include - -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - /* - * VMALLOC range. - * -@@ -728,6 +731,9 @@ static inline void update_mmu_cache(struct vm_area_struct *vma, - #define kc_vaddr_to_offset(v) ((v) & ~VA_START) - #define kc_offset_to_vaddr(o) ((o) | VA_START) - -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - #endif /* !__ASSEMBLY__ */ - - #endif /* __ASM_PGTABLE_H */ -diff --git a/arch/arm64/include/asm/string.h b/arch/arm64/include/asm/string.h -index 2eb714c..3a10471 100644 ---- a/arch/arm64/include/asm/string.h -+++ b/arch/arm64/include/asm/string.h -@@ -17,40 +17,40 @@ - #define __ASM_STRING_H - - #define __HAVE_ARCH_STRRCHR --extern char *strrchr(const char *, int c); -+extern char *strrchr(const char *, int c) __nocapture(-1); - - #define __HAVE_ARCH_STRCHR --extern char *strchr(const char *, int c); -+extern char *strchr(const char *, int c) __nocapture(-1); - - #define __HAVE_ARCH_STRCMP --extern int strcmp(const char *, const char *); -+extern int strcmp(const char *, const char *) __nocapture(); - - #define __HAVE_ARCH_STRNCMP --extern int strncmp(const char *, const char *, __kernel_size_t); -+extern int strncmp(const char *, const char *, __kernel_size_t) __nocapture(1, 2); - - #define __HAVE_ARCH_STRLEN --extern __kernel_size_t strlen(const char *); -+extern __kernel_size_t strlen(const char *) __nocapture(1); - - #define __HAVE_ARCH_STRNLEN --extern __kernel_size_t strnlen(const char *, __kernel_size_t); -+extern __kernel_size_t strnlen(const char *, __kernel_size_t) __nocapture(1); - - #define __HAVE_ARCH_MEMCPY --extern void *memcpy(void *, const void *, __kernel_size_t); --extern void *__memcpy(void *, const void *, __kernel_size_t); -+extern void *memcpy(void *, const void *, __kernel_size_t) __nocapture(2); -+extern void *__memcpy(void *, const void *, __kernel_size_t) __nocapture(2); - - #define __HAVE_ARCH_MEMMOVE --extern void *memmove(void *, const void *, __kernel_size_t); --extern void *__memmove(void *, const void *, __kernel_size_t); -+extern void *memmove(void *, const void *, __kernel_size_t) __nocapture(2); -+extern void *__memmove(void *, const void *, __kernel_size_t) __nocapture(2); - - #define __HAVE_ARCH_MEMCHR --extern void *memchr(const void *, int, __kernel_size_t); -+extern void *memchr(const void *, int, __kernel_size_t) __nocapture(-1); - - #define __HAVE_ARCH_MEMSET - extern void *memset(void *, int, __kernel_size_t); - extern void *__memset(void *, int, __kernel_size_t); - - #define __HAVE_ARCH_MEMCMP --extern int memcmp(const void *, const void *, size_t); -+extern int memcmp(const void *, const void *, size_t) __nocapture(1, 2); - - - #if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__) -diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h -index 55d0adb..b986918 100644 ---- a/arch/arm64/include/asm/uaccess.h -+++ b/arch/arm64/include/asm/uaccess.h -@@ -110,6 +110,7 @@ static inline void set_fs(mm_segment_t fs) - */ - #define untagged_addr(addr) sign_extend64(addr, 55) - -+#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size)) - #define access_ok(type, addr, size) __range_ok(addr, size) - #define user_addr_max get_fs - -@@ -279,6 +280,9 @@ static inline unsigned long __must_check __copy_from_user(void *to, const void _ - - static inline unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - kasan_check_read(from, n); - check_object_size(from, n, true); - return __arch_copy_to_user(to, from, n); -@@ -287,6 +291,10 @@ static inline unsigned long __must_check __copy_to_user(void __user *to, const v - static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n) - { - unsigned long res = n; -+ -+ if ((long)n < 0) -+ return n; -+ - kasan_check_write(to, n); - - if (access_ok(VERIFY_READ, from, n)) { -@@ -300,6 +308,9 @@ static inline unsigned long __must_check copy_from_user(void *to, const void __u - - static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - kasan_check_read(from, n); - - if (access_ok(VERIFY_WRITE, to, n)) { -diff --git a/arch/arm64/kernel/hibernate.c b/arch/arm64/kernel/hibernate.c -index d55a7b0..d8dbd8a 100644 ---- a/arch/arm64/kernel/hibernate.c -+++ b/arch/arm64/kernel/hibernate.c -@@ -198,7 +198,7 @@ EXPORT_SYMBOL(arch_hibernation_header_restore); - static int create_safe_exec_page(void *src_start, size_t length, - unsigned long dst_addr, - phys_addr_t *phys_dst_addr, -- void *(*allocator)(gfp_t mask), -+ unsigned long (*allocator)(gfp_t mask), - gfp_t mask) - { - int rc = 0; -@@ -206,7 +206,7 @@ static int create_safe_exec_page(void *src_start, size_t length, - pud_t *pud; - pmd_t *pmd; - pte_t *pte; -- unsigned long dst = (unsigned long)allocator(mask); -+ unsigned long dst = allocator(mask); - - if (!dst) { - rc = -ENOMEM; -@@ -216,9 +216,9 @@ static int create_safe_exec_page(void *src_start, size_t length, - memcpy((void *)dst, src_start, length); - flush_icache_range(dst, dst + length); - -- pgd = pgd_offset_raw(allocator(mask), dst_addr); -+ pgd = pgd_offset_raw((pgd_t *)allocator(mask), dst_addr); - if (pgd_none(*pgd)) { -- pud = allocator(mask); -+ pud = (pud_t *)allocator(mask); - if (!pud) { - rc = -ENOMEM; - goto out; -@@ -228,7 +228,7 @@ static int create_safe_exec_page(void *src_start, size_t length, - - pud = pud_offset(pgd, dst_addr); - if (pud_none(*pud)) { -- pmd = allocator(mask); -+ pmd = (pmd_t *)allocator(mask); - if (!pmd) { - rc = -ENOMEM; - goto out; -@@ -238,7 +238,7 @@ static int create_safe_exec_page(void *src_start, size_t length, - - pmd = pmd_offset(pud, dst_addr); - if (pmd_none(*pmd)) { -- pte = allocator(mask); -+ pte = (pte_t *)allocator(mask); - if (!pte) { - rc = -ENOMEM; - goto out; -@@ -510,7 +510,7 @@ int swsusp_arch_resume(void) - rc = create_safe_exec_page(__hibernate_exit_text_start, exit_size, - (unsigned long)hibernate_exit, - &phys_hibernate_exit, -- (void *)get_safe_page, GFP_ATOMIC); -+ get_safe_page, GFP_ATOMIC); - if (rc) { - pr_err("Failed to create safe executable page for hibernate_exit code."); - goto out; -diff --git a/arch/arm64/kernel/probes/kprobes.c b/arch/arm64/kernel/probes/kprobes.c -index f5077ea..46b4664 100644 ---- a/arch/arm64/kernel/probes/kprobes.c -+++ b/arch/arm64/kernel/probes/kprobes.c -@@ -639,6 +639,7 @@ void __kprobes __used *trampoline_probe_handler(struct pt_regs *regs) - return (void *)orig_ret_address; - } - -+#ifdef CONFIG_KRETPROBES - void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, - struct pt_regs *regs) - { -@@ -652,6 +653,7 @@ int __kprobes arch_trampoline_kprobe(struct kprobe *p) - { - return 0; - } -+#endif - - int __init arch_init_kprobes(void) - { -diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c -index 01753cd..b65d17a 100644 ---- a/arch/arm64/kernel/process.c -+++ b/arch/arm64/kernel/process.c -@@ -64,7 +64,7 @@ EXPORT_SYMBOL(__stack_chk_guard); - /* - * Function pointers to optional machine specific functions - */ --void (*pm_power_off)(void); -+void (* pm_power_off)(void); - EXPORT_SYMBOL_GPL(pm_power_off); - - void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd); -@@ -110,7 +110,7 @@ void machine_shutdown(void) - * activity (executing tasks, handling interrupts). smp_send_stop() - * achieves this. - */ --void machine_halt(void) -+void __noreturn machine_halt(void) - { - local_irq_disable(); - smp_send_stop(); -@@ -123,12 +123,13 @@ void machine_halt(void) - * achieves this. When the system power is turned off, it will take all CPUs - * with it. - */ --void machine_power_off(void) -+void __noreturn machine_power_off(void) - { - local_irq_disable(); - smp_send_stop(); - if (pm_power_off) - pm_power_off(); -+ while(1); - } - - /* -@@ -140,7 +141,7 @@ void machine_power_off(void) - * executing pre-reset code, and using RAM that the primary CPU's code wishes - * to use. Implementing such co-ordination would be essentially impossible. - */ --void machine_restart(char *cmd) -+void __noreturn machine_restart(char *cmd) - { - /* Disable interrupts first */ - local_irq_disable(); -diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c -index c2efddf..c58e0a2 100644 ---- a/arch/arm64/kernel/stacktrace.c -+++ b/arch/arm64/kernel/stacktrace.c -@@ -95,8 +95,8 @@ int notrace unwind_frame(struct task_struct *tsk, struct stackframe *frame) - struct pt_regs *irq_args; - unsigned long orig_sp = IRQ_STACK_TO_TASK_STACK(irq_stack_ptr); - -- if (object_is_on_stack((void *)orig_sp) && -- object_is_on_stack((void *)frame->fp)) { -+ if (object_starts_on_stack((void *)orig_sp) && -+ object_starts_on_stack((void *)frame->fp)) { - frame->sp = orig_sp; - - /* orig_sp is the saved pt_regs, find the elr */ -diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c -index 11e5eae..d8cdfa7 100644 ---- a/arch/arm64/kernel/traps.c -+++ b/arch/arm64/kernel/traps.c -@@ -547,7 +547,7 @@ asmlinkage long do_ni_syscall(struct pt_regs *regs) - __show_regs(regs); - } - -- return sys_ni_syscall(); -+ return -ENOSYS; - } - - static const char *esr_class_str[] = { -diff --git a/arch/avr32/include/asm/cache.h b/arch/avr32/include/asm/cache.h -index c3a58a1..78fbf54 100644 ---- a/arch/avr32/include/asm/cache.h -+++ b/arch/avr32/include/asm/cache.h -@@ -1,8 +1,10 @@ - #ifndef __ASM_AVR32_CACHE_H - #define __ASM_AVR32_CACHE_H - -+#include -+ - #define L1_CACHE_SHIFT 5 --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - /* - * Memory returned by kmalloc() may be used for DMA, so we must make -diff --git a/arch/avr32/include/asm/elf.h b/arch/avr32/include/asm/elf.h -index 0388ece..87c8df1 100644 ---- a/arch/avr32/include/asm/elf.h -+++ b/arch/avr32/include/asm/elf.h -@@ -84,8 +84,14 @@ typedef struct user_fpu_struct elf_fpregset_t; - the loader. We need to make sure that it is out of the way of the program - that it will "exec", and that there is sufficient room for the brk. */ - --#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) -+#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE 0x00001000UL -+ -+#define PAX_DELTA_MMAP_LEN 15 -+#define PAX_DELTA_STACK_LEN 15 -+#endif - - /* This yields a mask that user programs can use to figure out what - instruction set this CPU supports. This could be done in user space, -diff --git a/arch/avr32/include/asm/kmap_types.h b/arch/avr32/include/asm/kmap_types.h -index 479330b..53717a8 100644 ---- a/arch/avr32/include/asm/kmap_types.h -+++ b/arch/avr32/include/asm/kmap_types.h -@@ -2,9 +2,9 @@ - #define __ASM_AVR32_KMAP_TYPES_H - - #ifdef CONFIG_DEBUG_HIGHMEM --# define KM_TYPE_NR 29 -+# define KM_TYPE_NR 30 - #else --# define KM_TYPE_NR 14 -+# define KM_TYPE_NR 15 - #endif - - #endif /* __ASM_AVR32_KMAP_TYPES_H */ -diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c -index b3977e9..4230c51a 100644 ---- a/arch/avr32/mm/fault.c -+++ b/arch/avr32/mm/fault.c -@@ -41,6 +41,23 @@ static inline int notify_page_fault(struct pt_regs *regs, int trap) - - int exception_trace = 1; - -+#ifdef CONFIG_PAX_PAGEEXEC -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 20; i++) { -+ unsigned char c; -+ if (get_user(c, (unsigned char *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%02x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - /* - * This routine handles page faults. It determines the address and the - * problem, and then passes it off to one of the appropriate routines. -@@ -178,6 +195,16 @@ asmlinkage void do_page_fault(unsigned long ecr, struct pt_regs *regs) - up_read(&mm->mmap_sem); - - if (user_mode(regs)) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (mm->pax_flags & MF_PAX_PAGEEXEC) { -+ if (ecr == ECR_PROTECTION_X || ecr == ECR_TLB_MISS_X) { -+ pax_report_fault(regs, (void *)regs->pc, (void *)regs->sp); -+ do_group_exit(SIGKILL); -+ } -+ } -+#endif -+ - if (exception_trace && printk_ratelimit()) - printk("%s%s[%d]: segfault at %08lx pc %08lx " - "sp %08lx ecr %lu\n", -diff --git a/arch/blackfin/Kconfig.debug b/arch/blackfin/Kconfig.debug -index f3337ee..15b6f8d 100644 ---- a/arch/blackfin/Kconfig.debug -+++ b/arch/blackfin/Kconfig.debug -@@ -18,6 +18,7 @@ config DEBUG_VERBOSE - config DEBUG_MMRS - tristate "Generate Blackfin MMR tree" - select DEBUG_FS -+ depends on !GRKERNSEC_KMEM - help - Create a tree of Blackfin MMRs via the debugfs tree. If - you enable this, you will find all MMRs laid out in the -diff --git a/arch/blackfin/include/asm/cache.h b/arch/blackfin/include/asm/cache.h -index 568885a..f8008df 100644 ---- a/arch/blackfin/include/asm/cache.h -+++ b/arch/blackfin/include/asm/cache.h -@@ -7,6 +7,7 @@ - #ifndef __ARCH_BLACKFIN_CACHE_H - #define __ARCH_BLACKFIN_CACHE_H - -+#include - #include /* for asmlinkage */ - - /* -@@ -14,7 +15,7 @@ - * Blackfin loads 32 bytes for cache - */ - #define L1_CACHE_SHIFT 5 --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - #define SMP_CACHE_BYTES L1_CACHE_BYTES - - #define ARCH_DMA_MINALIGN L1_CACHE_BYTES -diff --git a/arch/cris/include/arch-v10/arch/cache.h b/arch/cris/include/arch-v10/arch/cache.h -index aea2718..3639a60 100644 ---- a/arch/cris/include/arch-v10/arch/cache.h -+++ b/arch/cris/include/arch-v10/arch/cache.h -@@ -1,8 +1,9 @@ - #ifndef _ASM_ARCH_CACHE_H - #define _ASM_ARCH_CACHE_H - -+#include - /* Etrax 100LX have 32-byte cache-lines. */ --#define L1_CACHE_BYTES 32 - #define L1_CACHE_SHIFT 5 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #endif /* _ASM_ARCH_CACHE_H */ -diff --git a/arch/cris/include/arch-v32/arch/cache.h b/arch/cris/include/arch-v32/arch/cache.h -index 7caf25d..ee65ac5 100644 ---- a/arch/cris/include/arch-v32/arch/cache.h -+++ b/arch/cris/include/arch-v32/arch/cache.h -@@ -1,11 +1,12 @@ - #ifndef _ASM_CRIS_ARCH_CACHE_H - #define _ASM_CRIS_ARCH_CACHE_H - -+#include - #include - - /* A cache-line is 32 bytes. */ --#define L1_CACHE_BYTES 32 - #define L1_CACHE_SHIFT 5 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define __read_mostly __attribute__((__section__(".data..read_mostly"))) - -diff --git a/arch/frv/include/asm/atomic.h b/arch/frv/include/asm/atomic.h -index 1c2a5e2..2579e5f 100644 ---- a/arch/frv/include/asm/atomic.h -+++ b/arch/frv/include/asm/atomic.h -@@ -146,6 +146,16 @@ static inline void atomic64_dec(atomic64_t *v) - #define atomic64_cmpxchg(v, old, new) (__cmpxchg_64(old, new, &(v)->counter)) - #define atomic64_xchg(v, new) (__xchg_64(new, &(v)->counter)) - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - { - int c, old; -diff --git a/arch/frv/include/asm/cache.h b/arch/frv/include/asm/cache.h -index 2797163..c2a401df9 100644 ---- a/arch/frv/include/asm/cache.h -+++ b/arch/frv/include/asm/cache.h -@@ -12,10 +12,11 @@ - #ifndef __ASM_CACHE_H - #define __ASM_CACHE_H - -+#include - - /* bytes per L1 cache line */ - #define L1_CACHE_SHIFT (CONFIG_FRV_L1_CACHE_SHIFT) --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define __cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES))) - #define ____cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES))) -diff --git a/arch/frv/include/asm/kmap_types.h b/arch/frv/include/asm/kmap_types.h -index 43901f2..0d8b865 100644 ---- a/arch/frv/include/asm/kmap_types.h -+++ b/arch/frv/include/asm/kmap_types.h -@@ -2,6 +2,6 @@ - #ifndef _ASM_KMAP_TYPES_H - #define _ASM_KMAP_TYPES_H - --#define KM_TYPE_NR 17 -+#define KM_TYPE_NR 18 - - #endif -diff --git a/arch/frv/mm/elf-fdpic.c b/arch/frv/mm/elf-fdpic.c -index 836f1470..4cf23f5 100644 ---- a/arch/frv/mm/elf-fdpic.c -+++ b/arch/frv/mm/elf-fdpic.c -@@ -61,6 +61,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - { - struct vm_area_struct *vma; - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(current->mm, filp, flags); - - if (len > TASK_SIZE) - return -ENOMEM; -@@ -73,8 +74,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - if (addr) { - addr = PAGE_ALIGN(addr); - vma = find_vma(current->mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - goto success; - } - -@@ -85,6 +85,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - info.high_limit = (current->mm->start_stack - 0x00200000); - info.align_mask = 0; - info.align_offset = 0; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - if (!(addr & ~PAGE_MASK)) - goto success; -diff --git a/arch/hexagon/include/asm/cache.h b/arch/hexagon/include/asm/cache.h -index 69952c18..4fa2908 100644 ---- a/arch/hexagon/include/asm/cache.h -+++ b/arch/hexagon/include/asm/cache.h -@@ -21,9 +21,11 @@ - #ifndef __ASM_CACHE_H - #define __ASM_CACHE_H - -+#include -+ - /* Bytes per L1 cache line */ --#define L1_CACHE_SHIFT (5) --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_SHIFT 5 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define ARCH_DMA_MINALIGN L1_CACHE_BYTES - -diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig -index 18ca6a9..77b0e0d 100644 ---- a/arch/ia64/Kconfig -+++ b/arch/ia64/Kconfig -@@ -519,6 +519,7 @@ config KEXEC - bool "kexec system call" - depends on !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) - select KEXEC_CORE -+ depends on !GRKERNSEC_KMEM - help - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot -diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile -index c100d78..c44d46d 100644 ---- a/arch/ia64/Makefile -+++ b/arch/ia64/Makefile -@@ -98,5 +98,6 @@ endef - archprepare: make_nr_irqs_h - PHONY += make_nr_irqs_h - -+GCC_PLUGINS_make_nr_irqs_h := n - make_nr_irqs_h: - $(Q)$(MAKE) $(build)=arch/ia64/kernel include/generated/nr-irqs.h -diff --git a/arch/ia64/include/asm/atomic.h b/arch/ia64/include/asm/atomic.h -index 65d4bb2..8b2e661 100644 ---- a/arch/ia64/include/asm/atomic.h -+++ b/arch/ia64/include/asm/atomic.h -@@ -323,4 +323,14 @@ atomic64_add_negative (__s64 i, atomic64_t *v) - #define atomic64_inc(v) atomic64_add(1, (v)) - #define atomic64_dec(v) atomic64_sub(1, (v)) - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - #endif /* _ASM_IA64_ATOMIC_H */ -diff --git a/arch/ia64/include/asm/cache.h b/arch/ia64/include/asm/cache.h -index 988254a..e1ee885 100644 ---- a/arch/ia64/include/asm/cache.h -+++ b/arch/ia64/include/asm/cache.h -@@ -1,6 +1,7 @@ - #ifndef _ASM_IA64_CACHE_H - #define _ASM_IA64_CACHE_H - -+#include - - /* - * Copyright (C) 1998-2000 Hewlett-Packard Co -@@ -9,7 +10,7 @@ - - /* Bytes per L1 (data) cache line. */ - #define L1_CACHE_SHIFT CONFIG_IA64_L1_CACHE_SHIFT --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #ifdef CONFIG_SMP - # define SMP_CACHE_SHIFT L1_CACHE_SHIFT -diff --git a/arch/ia64/include/asm/elf.h b/arch/ia64/include/asm/elf.h -index 5a83c5c..4d7f553 100644 ---- a/arch/ia64/include/asm/elf.h -+++ b/arch/ia64/include/asm/elf.h -@@ -42,6 +42,13 @@ - */ - #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x800000000UL) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (current->personality == PER_LINUX32 ? 0x08048000UL : 0x4000000000000000UL) -+ -+#define PAX_DELTA_MMAP_LEN (current->personality == PER_LINUX32 ? 16 : 3*PAGE_SHIFT - 13) -+#define PAX_DELTA_STACK_LEN (current->personality == PER_LINUX32 ? 16 : 3*PAGE_SHIFT - 13) -+#endif -+ - #define PT_IA_64_UNWIND 0x70000001 - - /* IA-64 relocations: */ -diff --git a/arch/ia64/include/asm/pgalloc.h b/arch/ia64/include/asm/pgalloc.h -index f5e70e9..624fad5 100644 ---- a/arch/ia64/include/asm/pgalloc.h -+++ b/arch/ia64/include/asm/pgalloc.h -@@ -39,6 +39,12 @@ pgd_populate(struct mm_struct *mm, pgd_t * pgd_entry, pud_t * pud) - pgd_val(*pgd_entry) = __pa(pud); - } - -+static inline void -+pgd_populate_kernel(struct mm_struct *mm, pgd_t * pgd_entry, pud_t * pud) -+{ -+ pgd_populate(mm, pgd_entry, pud); -+} -+ - static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) - { - return quicklist_alloc(0, GFP_KERNEL, NULL); -@@ -57,6 +63,12 @@ pud_populate(struct mm_struct *mm, pud_t * pud_entry, pmd_t * pmd) - pud_val(*pud_entry) = __pa(pmd); - } - -+static inline void -+pud_populate_kernel(struct mm_struct *mm, pud_t * pud_entry, pmd_t * pmd) -+{ -+ pud_populate(mm, pud_entry, pmd); -+} -+ - static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) - { - return quicklist_alloc(0, GFP_KERNEL, NULL); -diff --git a/arch/ia64/include/asm/pgtable.h b/arch/ia64/include/asm/pgtable.h -index 9f3ed9e..c99b418 100644 ---- a/arch/ia64/include/asm/pgtable.h -+++ b/arch/ia64/include/asm/pgtable.h -@@ -12,7 +12,7 @@ - * David Mosberger-Tang - */ - -- -+#include - #include - #include - #include -@@ -139,6 +139,17 @@ - #define PAGE_READONLY __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R) - #define PAGE_COPY __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R) - #define PAGE_COPY_EXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_RX) -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+# define PAGE_SHARED_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_RW) -+# define PAGE_READONLY_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R) -+# define PAGE_COPY_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R) -+#else -+# define PAGE_SHARED_NOEXEC PAGE_SHARED -+# define PAGE_READONLY_NOEXEC PAGE_READONLY -+# define PAGE_COPY_NOEXEC PAGE_COPY -+#endif -+ - #define PAGE_GATE __pgprot(__ACCESS_BITS | _PAGE_PL_0 | _PAGE_AR_X_RX) - #define PAGE_KERNEL __pgprot(__DIRTY_BITS | _PAGE_PL_0 | _PAGE_AR_RWX) - #define PAGE_KERNELRX __pgprot(__ACCESS_BITS | _PAGE_PL_0 | _PAGE_AR_RX) -diff --git a/arch/ia64/include/asm/spinlock.h b/arch/ia64/include/asm/spinlock.h -index ca9e761..40dffaf 100644 ---- a/arch/ia64/include/asm/spinlock.h -+++ b/arch/ia64/include/asm/spinlock.h -@@ -73,7 +73,7 @@ static __always_inline void __ticket_spin_unlock(arch_spinlock_t *lock) - unsigned short *p = (unsigned short *)&lock->lock + 1, tmp; - - asm volatile ("ld2.bias %0=[%1]" : "=r"(tmp) : "r"(p)); -- ACCESS_ONCE(*p) = (tmp + 2) & ~1; -+ ACCESS_ONCE_RW(*p) = (tmp + 2) & ~1; - } - - static __always_inline void __ticket_spin_unlock_wait(arch_spinlock_t *lock) -diff --git a/arch/ia64/include/asm/uaccess.h b/arch/ia64/include/asm/uaccess.h -index bfe1319..da0014b 100644 ---- a/arch/ia64/include/asm/uaccess.h -+++ b/arch/ia64/include/asm/uaccess.h -@@ -70,6 +70,7 @@ - && ((segment).seg == KERNEL_DS.seg \ - || likely(REGION_OFFSET((unsigned long) (addr)) < RGN_MAP_LIMIT))); \ - }) -+#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size)) - #define access_ok(type, addr, size) __access_ok((addr), (size), get_fs()) - - /* -@@ -241,17 +242,23 @@ extern unsigned long __must_check __copy_user (void __user *to, const void __use - static inline unsigned long - __copy_to_user (void __user *to, const void *from, unsigned long count) - { -+ if (count > INT_MAX) -+ return count; -+ - check_object_size(from, count, true); - -- return __copy_user(to, (__force void __user *) from, count); -+ return __copy_user(to, (void __force_user *) from, count); - } - - static inline unsigned long - __copy_from_user (void *to, const void __user *from, unsigned long count) - { -+ if (count > INT_MAX) -+ return count; -+ - check_object_size(to, count, false); - -- return __copy_user((__force void __user *) to, from, count); -+ return __copy_user((void __force_user *) to, from, count); - } - - #define __copy_to_user_inatomic __copy_to_user -@@ -260,11 +267,11 @@ __copy_from_user (void *to, const void __user *from, unsigned long count) - ({ \ - void __user *__cu_to = (to); \ - const void *__cu_from = (from); \ -- long __cu_len = (n); \ -+ unsigned long __cu_len = (n); \ - \ -- if (__access_ok(__cu_to, __cu_len, get_fs())) { \ -- check_object_size(__cu_from, __cu_len, true); \ -- __cu_len = __copy_user(__cu_to, (__force void __user *) __cu_from, __cu_len); \ -+ if (__cu_len <= INT_MAX && __access_ok(__cu_to, __cu_len, get_fs())) { \ -+ check_object_size(__cu_from, __cu_len, true); \ -+ __cu_len = __copy_user(__cu_to, (void __force_user *) __cu_from, __cu_len); \ - } \ - __cu_len; \ - }) -@@ -272,10 +279,10 @@ __copy_from_user (void *to, const void __user *from, unsigned long count) - static inline unsigned long - copy_from_user(void *to, const void __user *from, unsigned long n) - { -- check_object_size(to, n, false); -- if (likely(__access_ok(from, n, get_fs()))) -- n = __copy_user((__force void __user *) to, from, n); -- else -+ if (likely(__access_ok(from, n, get_fs()))) { -+ check_object_size(to, n, false); -+ n = __copy_user((void __force_user *) to, from, n); -+ } else if ((long)n > 0) - memset(to, 0, n); - return n; - } -diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c -index c7c5144..7e31461 100644 ---- a/arch/ia64/kernel/kprobes.c -+++ b/arch/ia64/kernel/kprobes.c -@@ -499,6 +499,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) - return 1; - } - -+#ifdef CONFIG_KRETPROBES - void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, - struct pt_regs *regs) - { -@@ -507,6 +508,7 @@ void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, - /* Replace the return addr with trampoline addr */ - regs->b0 = ((struct fnptr *)kretprobe_trampoline)->ip; - } -+#endif - - /* Check the instruction in the slot is break */ - static int __kprobes __is_ia64_break_inst(bundle_t *bundle, uint slot) -@@ -1119,6 +1121,7 @@ int __init arch_init_kprobes(void) - return register_kprobe(&trampoline_p); - } - -+#ifdef CONFIG_KRETPROBES - int __kprobes arch_trampoline_kprobe(struct kprobe *p) - { - if (p->addr == -@@ -1127,3 +1130,4 @@ int __kprobes arch_trampoline_kprobe(struct kprobe *p) - - return 0; - } -+#endif -diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c -index 6ab0ae7..88f1b60 100644 ---- a/arch/ia64/kernel/module.c -+++ b/arch/ia64/kernel/module.c -@@ -486,13 +486,13 @@ module_frob_arch_sections (Elf_Ehdr *ehdr, Elf_Shdr *sechdrs, char *secstrings, - static inline int - in_init (const struct module *mod, uint64_t addr) - { -- return addr - (uint64_t) mod->init_layout.base < mod->init_layout.size; -+ return within_module_init(addr, mod); - } - - static inline int - in_core (const struct module *mod, uint64_t addr) - { -- return addr - (uint64_t) mod->core_layout.base < mod->core_layout.size; -+ return within_module_core(addr, mod); - } - - static inline int -@@ -676,6 +676,14 @@ do_reloc (struct module *mod, uint8_t r_type, Elf64_Sym *sym, uint64_t addend, - - case RV_BDREL: - val -= (uint64_t) (in_init(mod, val) ? mod->init_layout.base : mod->core_layout.base); -+ if (within_module_rx(val, &mod->init_layout)) -+ val -= mod->init_layout.base_rx; -+ else if (within_module_rw(val, &mod->init_layout)) -+ val -= mod->init_layout.base_rw; -+ else if (within_module_rx(val, &mod->core_layout)) -+ val -= mod->core_layout.base_rx; -+ else if (within_module_rw(val, &mod->core_layout)) -+ val -= mod->core_layout.base_rw; - break; - - case RV_LTV: -@@ -810,15 +818,15 @@ apply_relocate_add (Elf64_Shdr *sechdrs, const char *strtab, unsigned int symind - * addresses have been selected... - */ - uint64_t gp; -- if (mod->core_layout.size > MAX_LTOFF) -+ if (mod->core_layout.size_rx + mod->core_layout.size_rw > MAX_LTOFF) - /* - * This takes advantage of fact that SHF_ARCH_SMALL gets allocated - * at the end of the module. - */ -- gp = mod->core_layout.size - MAX_LTOFF / 2; -+ gp = mod->core_layout.size_rx + mod->core_layout.size_rw - MAX_LTOFF / 2; - else -- gp = mod->core_layout.size / 2; -- gp = (uint64_t) mod->core_layout.base + ((gp + 7) & -8); -+ gp = (mod->core_layout.size_rx + mod->core_layout.size_rw) / 2; -+ gp = (uint64_t) mod->core_layout.base_rx + ((gp + 7) & -8); - mod->arch.gp = gp; - DEBUGP("%s: placing gp at 0x%lx\n", __func__, gp); - } -diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c -index c39c3cd..3c77738 100644 ---- a/arch/ia64/kernel/palinfo.c -+++ b/arch/ia64/kernel/palinfo.c -@@ -980,7 +980,7 @@ static int palinfo_cpu_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block __refdata palinfo_cpu_notifier = -+static struct notifier_block palinfo_cpu_notifier = - { - .notifier_call = palinfo_cpu_callback, - .priority = 0, -diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c -index 41e33f8..65180b2a 100644 ---- a/arch/ia64/kernel/sys_ia64.c -+++ b/arch/ia64/kernel/sys_ia64.c -@@ -28,6 +28,7 @@ arch_get_unmapped_area (struct file *filp, unsigned long addr, unsigned long len - unsigned long align_mask = 0; - struct mm_struct *mm = current->mm; - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - - if (len > RGN_MAP_LIMIT) - return -ENOMEM; -@@ -43,6 +44,13 @@ arch_get_unmapped_area (struct file *filp, unsigned long addr, unsigned long len - if (REGION_NUMBER(addr) == RGN_HPAGE) - addr = 0; - #endif -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ addr = mm->free_area_cache; -+ else -+#endif -+ - if (!addr) - addr = TASK_UNMAPPED_BASE; - -@@ -61,6 +69,7 @@ arch_get_unmapped_area (struct file *filp, unsigned long addr, unsigned long len - info.high_limit = TASK_SIZE; - info.align_mask = align_mask; - info.align_offset = 0; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - -diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S -index f89d20c..410a1b1 100644 ---- a/arch/ia64/kernel/vmlinux.lds.S -+++ b/arch/ia64/kernel/vmlinux.lds.S -@@ -172,7 +172,7 @@ SECTIONS { - /* Per-cpu data: */ - . = ALIGN(PERCPU_PAGE_SIZE); - PERCPU_VADDR(SMP_CACHE_BYTES, PERCPU_ADDR, :percpu) -- __phys_per_cpu_start = __per_cpu_load; -+ __phys_per_cpu_start = per_cpu_load; - /* - * ensure percpu data fits - * into percpu page size -diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c -index fa6ad95..b46bd89 100644 ---- a/arch/ia64/mm/fault.c -+++ b/arch/ia64/mm/fault.c -@@ -72,6 +72,23 @@ mapped_kernel_page_is_present (unsigned long address) - return pte_present(pte); - } - -+#ifdef CONFIG_PAX_PAGEEXEC -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 8; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - # define VM_READ_BIT 0 - # define VM_WRITE_BIT 1 - # define VM_EXEC_BIT 2 -@@ -151,8 +168,21 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re - if (((isr >> IA64_ISR_R_BIT) & 1UL) && (!(vma->vm_flags & (VM_READ | VM_WRITE)))) - goto bad_area; - -- if ((vma->vm_flags & mask) != mask) -+ if ((vma->vm_flags & mask) != mask) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(vma->vm_flags & VM_EXEC) && (mask & VM_EXEC)) { -+ if (!(mm->pax_flags & MF_PAX_PAGEEXEC) || address != regs->cr_iip) -+ goto bad_area; -+ -+ up_read(&mm->mmap_sem); -+ pax_report_fault(regs, (void *)regs->cr_iip, (void *)regs->r12); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - goto bad_area; -+ } - - /* - * If for any reason at all we couldn't handle the fault, make -diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c -index 85de86d..db7f6b8 100644 ---- a/arch/ia64/mm/hugetlbpage.c -+++ b/arch/ia64/mm/hugetlbpage.c -@@ -138,6 +138,7 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, u - unsigned long pgoff, unsigned long flags) - { - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(current->mm, file, flags); - - if (len > RGN_MAP_LIMIT) - return -ENOMEM; -@@ -161,6 +162,7 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, u - info.high_limit = HPAGE_REGION_BASE + RGN_MAP_LIMIT; - info.align_mask = PAGE_MASK & (HPAGE_SIZE - 1); - info.align_offset = 0; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - -diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c -index 1841ef6..74d8330 100644 ---- a/arch/ia64/mm/init.c -+++ b/arch/ia64/mm/init.c -@@ -119,6 +119,19 @@ ia64_init_addr_space (void) - vma->vm_start = current->thread.rbs_bot & PAGE_MASK; - vma->vm_end = vma->vm_start + PAGE_SIZE; - vma->vm_flags = VM_DATA_DEFAULT_FLAGS|VM_GROWSUP|VM_ACCOUNT; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (current->mm->pax_flags & MF_PAX_PAGEEXEC) { -+ vma->vm_flags &= ~VM_EXEC; -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (current->mm->pax_flags & MF_PAX_MPROTECT) -+ vma->vm_flags &= ~VM_MAYEXEC; -+#endif -+ -+ } -+#endif -+ - vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); - down_write(¤t->mm->mmap_sem); - if (insert_vm_struct(current->mm, vma)) { -@@ -279,7 +292,7 @@ static int __init gate_vma_init(void) - gate_vma.vm_start = FIXADDR_USER_START; - gate_vma.vm_end = FIXADDR_USER_END; - gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC; -- gate_vma.vm_page_prot = __P101; -+ gate_vma.vm_page_prot = vm_get_page_prot(gate_vma.vm_flags); - - return 0; - } -diff --git a/arch/m32r/include/asm/cache.h b/arch/m32r/include/asm/cache.h -index 40b3ee98..8c2c112 100644 ---- a/arch/m32r/include/asm/cache.h -+++ b/arch/m32r/include/asm/cache.h -@@ -1,8 +1,10 @@ - #ifndef _ASM_M32R_CACHE_H - #define _ASM_M32R_CACHE_H - -+#include -+ - /* L1 cache line size */ - #define L1_CACHE_SHIFT 4 --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #endif /* _ASM_M32R_CACHE_H */ -diff --git a/arch/m32r/lib/usercopy.c b/arch/m32r/lib/usercopy.c -index 82abd15..d95ae5d 100644 ---- a/arch/m32r/lib/usercopy.c -+++ b/arch/m32r/lib/usercopy.c -@@ -14,6 +14,9 @@ - unsigned long - __generic_copy_to_user(void __user *to, const void *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - prefetch(from); - if (access_ok(VERIFY_WRITE, to, n)) - __copy_user(to,from,n); -@@ -23,6 +26,9 @@ __generic_copy_to_user(void __user *to, const void *from, unsigned long n) - unsigned long - __generic_copy_from_user(void *to, const void __user *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - prefetchw(to); - if (access_ok(VERIFY_READ, from, n)) - __copy_user_zeroing(to,from,n); -diff --git a/arch/m68k/include/asm/cache.h b/arch/m68k/include/asm/cache.h -index 0395c51..5f26031 100644 ---- a/arch/m68k/include/asm/cache.h -+++ b/arch/m68k/include/asm/cache.h -@@ -4,9 +4,11 @@ - #ifndef __ARCH_M68K_CACHE_H - #define __ARCH_M68K_CACHE_H - -+#include -+ - /* bytes per L1 cache line */ - #define L1_CACHE_SHIFT 4 --#define L1_CACHE_BYTES (1<< L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define ARCH_DMA_MINALIGN L1_CACHE_BYTES - -diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c -index 4e5aa2f..172c469 100644 ---- a/arch/m68k/kernel/time.c -+++ b/arch/m68k/kernel/time.c -@@ -107,6 +107,7 @@ static int rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) - - switch (cmd) { - case RTC_PLL_GET: -+ memset(&pll, 0, sizeof(pll)); - if (!mach_get_rtc_pll || mach_get_rtc_pll(&pll)) - return -EINVAL; - return copy_to_user(argp, &pll, sizeof pll) ? -EFAULT : 0; -diff --git a/arch/metag/mm/hugetlbpage.c b/arch/metag/mm/hugetlbpage.c -index db1b7da..8e13684 100644 ---- a/arch/metag/mm/hugetlbpage.c -+++ b/arch/metag/mm/hugetlbpage.c -@@ -189,6 +189,7 @@ hugetlb_get_unmapped_area_new_pmd(unsigned long len) - info.high_limit = TASK_SIZE; - info.align_mask = PAGE_MASK & HUGEPT_MASK; - info.align_offset = 0; -+ info.threadstack_offset = 0; - return vm_unmapped_area(&info); - } - -diff --git a/arch/microblaze/include/asm/cache.h b/arch/microblaze/include/asm/cache.h -index 4efe96a..60e8699 100644 ---- a/arch/microblaze/include/asm/cache.h -+++ b/arch/microblaze/include/asm/cache.h -@@ -13,11 +13,12 @@ - #ifndef _ASM_MICROBLAZE_CACHE_H - #define _ASM_MICROBLAZE_CACHE_H - -+#include - #include - - #define L1_CACHE_SHIFT 5 - /* word-granular cache in microblaze */ --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define SMP_CACHE_BYTES L1_CACHE_BYTES - -diff --git a/arch/mips/Kbuild b/arch/mips/Kbuild -index 5c3f688..f8cc1b3 100644 ---- a/arch/mips/Kbuild -+++ b/arch/mips/Kbuild -@@ -1,7 +1,7 @@ - # Fail on warnings - also for files referenced in subdirs - # -Werror can be disabled for specific files using: - # CFLAGS_ := -Wno-error --subdir-ccflags-y := -Werror -+# subdir-ccflags-y := -Werror - - # platform specific definitions - include arch/mips/Kbuild.platforms -diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig -index 5a4f2eb..93c4de6 100644 ---- a/arch/mips/Kconfig -+++ b/arch/mips/Kconfig -@@ -50,6 +50,7 @@ config MIPS - select HAVE_MOD_ARCH_SPECIFIC - select HAVE_NMI - select VIRT_TO_BUS -+ select HAVE_GCC_PLUGINS - select MODULES_USE_ELF_REL if MODULES - select MODULES_USE_ELF_RELA if MODULES && 64BIT - select CLONE_BACKWARDS -@@ -2596,7 +2597,7 @@ config RELOCATION_TABLE_SIZE - - config RANDOMIZE_BASE - bool "Randomize the address of the kernel image" -- depends on RELOCATABLE -+ depends on RELOCATABLE && BROKEN_SECURITY - ---help--- - Randomizes the physical and virtual address at which the - kernel image is loaded, as a security feature that -@@ -2812,6 +2813,7 @@ source "kernel/Kconfig.preempt" - config KEXEC - bool "Kexec system call" - select KEXEC_CORE -+ depends on !GRKERNSEC_KMEM - help - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot -diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h -index 0ab176b..c4469a4 100644 ---- a/arch/mips/include/asm/atomic.h -+++ b/arch/mips/include/asm/atomic.h -@@ -22,15 +22,39 @@ - #include - #include - -+#ifdef CONFIG_GENERIC_ATOMIC64 -+#include -+#endif -+ - #define ATOMIC_INIT(i) { (i) } - -+#ifdef CONFIG_64BIT -+#define _ASM_EXTABLE(from, to) \ -+" .section __ex_table,\"a\"\n" \ -+" .dword " #from ", " #to"\n" \ -+" .previous\n" -+#else -+#define _ASM_EXTABLE(from, to) \ -+" .section __ex_table,\"a\"\n" \ -+" .word " #from ", " #to"\n" \ -+" .previous\n" -+#endif -+ - /* - * atomic_read - read atomic variable - * @v: pointer of type atomic_t - * - * Atomically reads the value of @v. - */ --#define atomic_read(v) READ_ONCE((v)->counter) -+static inline int atomic_read(const atomic_t *v) -+{ -+ return READ_ONCE(v->counter); -+} -+ -+static inline int atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ return READ_ONCE(v->counter); -+} - - /* - * atomic_set - set atomic variable -@@ -39,47 +63,77 @@ - * - * Atomically sets the value of @v to @i. - */ --#define atomic_set(v, i) WRITE_ONCE((v)->counter, (i)) -+static inline void atomic_set(atomic_t *v, int i) -+{ -+ WRITE_ONCE(v->counter, i); -+} - --#define ATOMIC_OP(op, c_op, asm_op) \ --static __inline__ void atomic_##op(int i, atomic_t * v) \ -+static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i) -+{ -+ WRITE_ONCE(v->counter, i); -+} -+ -+#ifdef CONFIG_PAX_REFCOUNT -+#define __OVERFLOW_POST \ -+ " b 4f \n" \ -+ " .set noreorder \n" \ -+ "3: b 5f \n" \ -+ " move %0, %1 \n" \ -+ " .set reorder \n" -+#define __OVERFLOW_EXTABLE \ -+ "3:\n" \ -+ _ASM_EXTABLE(2b, 3b) -+#else -+#define __OVERFLOW_POST -+#define __OVERFLOW_EXTABLE -+#endif -+ -+#define __ATOMIC_OP(op, suffix, asm_op, extable) \ -+static inline void atomic_##op##suffix(int i, atomic##suffix##_t * v) \ - { \ - if (kernel_uses_llsc && R10000_LLSC_WAR) { \ - int temp; \ - \ - __asm__ __volatile__( \ -- " .set arch=r4000 \n" \ -- "1: ll %0, %1 # atomic_" #op " \n" \ -- " " #asm_op " %0, %2 \n" \ -+ " .set mips3 \n" \ -+ "1: ll %0, %1 # atomic_" #op #suffix "\n" \ -+ "2: " #asm_op " %0, %2 \n" \ - " sc %0, %1 \n" \ - " beqzl %0, 1b \n" \ -+ extable \ - " .set mips0 \n" \ - : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) \ - : "Ir" (i)); \ - } else if (kernel_uses_llsc) { \ - int temp; \ - \ -- do { \ -- __asm__ __volatile__( \ -- " .set "MIPS_ISA_LEVEL" \n" \ -- " ll %0, %1 # atomic_" #op "\n" \ -- " " #asm_op " %0, %2 \n" \ -- " sc %0, %1 \n" \ -- " .set mips0 \n" \ -- : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) \ -- : "Ir" (i)); \ -- } while (unlikely(!temp)); \ -+ __asm__ __volatile__( \ -+ " .set "MIPS_ISA_LEVEL" \n" \ -+ "1: ll %0, %1 # atomic_" #op #suffix "\n" \ -+ "2: " #asm_op " %0, %2 \n" \ -+ " sc %0, %1 \n" \ -+ " beqz %0, 1b \n" \ -+ extable \ -+ " .set mips0 \n" \ -+ : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "Ir" (i)); \ - } else { \ - unsigned long flags; \ - \ - raw_local_irq_save(flags); \ -- v->counter c_op i; \ -+ __asm__ __volatile__( \ -+ "2: " #asm_op " %0, %1 \n" \ -+ extable \ -+ : "+r" (v->counter) : "Ir" (i)); \ - raw_local_irq_restore(flags); \ - } \ - } - --#define ATOMIC_OP_RETURN(op, c_op, asm_op) \ --static __inline__ int atomic_##op##_return_relaxed(int i, atomic_t * v) \ -+#define ATOMIC_OP(op, asm_op) __ATOMIC_OP(op, _unchecked, asm_op##u, ) \ -+ __ATOMIC_OP(op, , asm_op, __OVERFLOW_EXTABLE) -+ -+#define __ATOMIC_OP_RETURN(op, suffix, asm_op, post_op, extable) \ -+static inline int atomic_##op##_return##suffix##_relaxed(int i, atomic##suffix##_t * v) \ - { \ - int result; \ - \ -@@ -87,12 +141,15 @@ static __inline__ int atomic_##op##_return_relaxed(int i, atomic_t * v) \ - int temp; \ - \ - __asm__ __volatile__( \ -- " .set arch=r4000 \n" \ -- "1: ll %1, %2 # atomic_" #op "_return \n" \ -- " " #asm_op " %0, %1, %3 \n" \ -+ " .set mips3 \n" \ -+ "1: ll %1, %2 # atomic_" #op "_return" #suffix"\n" \ -+ "2: " #asm_op " %0, %1, %3 \n" \ - " sc %0, %2 \n" \ - " beqzl %0, 1b \n" \ -- " " #asm_op " %0, %1, %3 \n" \ -+ post_op \ -+ extable \ -+ "4: " #asm_op " %0, %1, %3 \n" \ -+ "5: \n" \ - " .set mips0 \n" \ - : "=&r" (result), "=&r" (temp), \ - "+" GCC_OFF_SMALL_ASM() (v->counter) \ -@@ -100,32 +157,40 @@ static __inline__ int atomic_##op##_return_relaxed(int i, atomic_t * v) \ - } else if (kernel_uses_llsc) { \ - int temp; \ - \ -- do { \ -- __asm__ __volatile__( \ -- " .set "MIPS_ISA_LEVEL" \n" \ -- " ll %1, %2 # atomic_" #op "_return \n" \ -- " " #asm_op " %0, %1, %3 \n" \ -- " sc %0, %2 \n" \ -- " .set mips0 \n" \ -- : "=&r" (result), "=&r" (temp), \ -- "+" GCC_OFF_SMALL_ASM() (v->counter) \ -- : "Ir" (i)); \ -- } while (unlikely(!result)); \ -- \ -- result = temp; result c_op i; \ -+ __asm__ __volatile__( \ -+ " .set "MIPS_ISA_LEVEL" \n" \ -+ "1: ll %1, %2 # atomic_" #op "_return" #suffix "\n" \ -+ "2: " #asm_op " %0, %1, %3 \n" \ -+ " sc %0, %2 \n" \ -+ post_op \ -+ extable \ -+ "4: " #asm_op " %0, %1, %3 \n" \ -+ "5: \n" \ -+ " .set mips0 \n" \ -+ : "=&r" (result), "=&r" (temp), \ -+ "+" GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "Ir" (i)); \ - } else { \ - unsigned long flags; \ - \ - raw_local_irq_save(flags); \ -- result = v->counter; \ -- result c_op i; \ -- v->counter = result; \ -+ __asm__ __volatile__( \ -+ " lw %0, %1 \n" \ -+ "2: " #asm_op " %0, %1, %2 \n" \ -+ " sw %0, %1 \n" \ -+ "3: \n" \ -+ extable \ -+ : "=&r" (result), "+" GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "Ir" (i)); \ - raw_local_irq_restore(flags); \ - } \ - \ - return result; \ - } - -+#define ATOMIC_OP_RETURN(op, asm_op) __ATOMIC_OP_RETURN(op, _unchecked, asm_op##u, , ) \ -+ __ATOMIC_OP_RETURN(op, , asm_op, __OVERFLOW_POST, __OVERFLOW_EXTABLE) -+ - #define ATOMIC_FETCH_OP(op, c_op, asm_op) \ - static __inline__ int atomic_fetch_##op##_relaxed(int i, atomic_t * v) \ - { \ -@@ -173,13 +238,13 @@ static __inline__ int atomic_fetch_##op##_relaxed(int i, atomic_t * v) \ - return result; \ - } - --#define ATOMIC_OPS(op, c_op, asm_op) \ -- ATOMIC_OP(op, c_op, asm_op) \ -- ATOMIC_OP_RETURN(op, c_op, asm_op) \ -- ATOMIC_FETCH_OP(op, c_op, asm_op) -+#define ATOMIC_OPS(op, asm_op) \ -+ ATOMIC_OP(op, asm_op) \ -+ ATOMIC_OP_RETURN(op, asm_op) \ -+ ATOMIC_FETCH_OP(op, asm_op) - --ATOMIC_OPS(add, +=, addu) --ATOMIC_OPS(sub, -=, subu) -+ATOMIC_OPS(add, addu) -+ATOMIC_OPS(sub, subu) - - #define atomic_add_return_relaxed atomic_add_return_relaxed - #define atomic_sub_return_relaxed atomic_sub_return_relaxed -@@ -187,13 +252,13 @@ ATOMIC_OPS(sub, -=, subu) - #define atomic_fetch_sub_relaxed atomic_fetch_sub_relaxed - - #undef ATOMIC_OPS --#define ATOMIC_OPS(op, c_op, asm_op) \ -- ATOMIC_OP(op, c_op, asm_op) \ -- ATOMIC_FETCH_OP(op, c_op, asm_op) -+#define ATOMIC_OPS(op, asm_op) \ -+ ATOMIC_OP(op, asm_op) \ -+ ATOMIC_FETCH_OP(op, asm_op) - --ATOMIC_OPS(and, &=, and) --ATOMIC_OPS(or, |=, or) --ATOMIC_OPS(xor, ^=, xor) -+ATOMIC_OPS(and, and) -+ATOMIC_OPS(or, or) -+ATOMIC_OPS(xor, xor) - - #define atomic_fetch_and_relaxed atomic_fetch_and_relaxed - #define atomic_fetch_or_relaxed atomic_fetch_or_relaxed -@@ -202,7 +267,9 @@ ATOMIC_OPS(xor, ^=, xor) - #undef ATOMIC_OPS - #undef ATOMIC_FETCH_OP - #undef ATOMIC_OP_RETURN -+#undef __ATOMIC_OP_RETURN - #undef ATOMIC_OP -+#undef __ATOMIC_OP - - /* - * atomic_sub_if_positive - conditionally subtract integer from atomic variable -@@ -212,7 +279,7 @@ ATOMIC_OPS(xor, ^=, xor) - * Atomically test @v and subtract @i if @v is greater or equal than @i. - * The function returns the old value of @v minus @i. - */ --static __inline__ int atomic_sub_if_positive(int i, atomic_t * v) -+static __inline__ int atomic_sub_if_positive(int i, atomic_t *v) - { - int result; - -@@ -222,7 +289,7 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v) - int temp; - - __asm__ __volatile__( -- " .set arch=r4000 \n" -+ " .set "MIPS_ISA_LEVEL" \n" - "1: ll %1, %2 # atomic_sub_if_positive\n" - " subu %0, %1, %3 \n" - " bltz %0, 1f \n" -@@ -271,8 +338,26 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v) - return result; - } - --#define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) --#define atomic_xchg(v, new) (xchg(&((v)->counter), (new))) -+static inline int atomic_cmpxchg(atomic_t *v, int old, int new) -+{ -+ return cmpxchg(&v->counter, old, new); -+} -+ -+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, -+ int new) -+{ -+ return cmpxchg(&(v->counter), old, new); -+} -+ -+static inline int atomic_xchg(atomic_t *v, int new) -+{ -+ return xchg(&v->counter, new); -+} -+ -+static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new) -+{ -+ return xchg(&(v->counter), new); -+} - - /** - * __atomic_add_unless - add unless the number is a given value -@@ -300,6 +385,10 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - - #define atomic_dec_return(v) atomic_sub_return(1, (v)) - #define atomic_inc_return(v) atomic_add_return(1, (v)) -+static __inline__ int atomic_inc_return_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_add_return_unchecked(1, v); -+} - - /* - * atomic_sub_and_test - subtract value from variable and test result -@@ -321,6 +410,10 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - * other cases. - */ - #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) -+static __inline__ int atomic_inc_and_test_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_add_return_unchecked(1, v) == 0; -+} - - /* - * atomic_dec_and_test - decrement by 1 and test -@@ -345,6 +438,10 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - * Atomically increments @v by 1. - */ - #define atomic_inc(v) atomic_add(1, (v)) -+static __inline__ void atomic_inc_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_add_unchecked(1, v); -+} - - /* - * atomic_dec - decrement and test -@@ -353,6 +450,10 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - * Atomically decrements @v by 1. - */ - #define atomic_dec(v) atomic_sub(1, (v)) -+static __inline__ void atomic_dec_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_sub_unchecked(1, v); -+} - - /* - * atomic_add_negative - add and test if negative -@@ -374,54 +475,77 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - * @v: pointer of type atomic64_t - * - */ --#define atomic64_read(v) READ_ONCE((v)->counter) -+static inline long atomic64_read(const atomic64_t *v) -+{ -+ return READ_ONCE(v->counter); -+} -+ -+static inline long atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ return READ_ONCE(v->counter); -+} - - /* - * atomic64_set - set atomic variable - * @v: pointer of type atomic64_t - * @i: required value - */ --#define atomic64_set(v, i) WRITE_ONCE((v)->counter, (i)) -+static inline void atomic64_set(atomic64_t *v, long i) -+{ -+ WRITE_ONCE(v->counter, i); -+} - --#define ATOMIC64_OP(op, c_op, asm_op) \ --static __inline__ void atomic64_##op(long i, atomic64_t * v) \ -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long i) -+{ -+ WRITE_ONCE(v->counter, i); -+} -+ -+#define __ATOMIC64_OP(op, suffix, asm_op, extable) \ -+static inline void atomic64_##op##suffix(long i, atomic64##suffix##_t * v) \ - { \ - if (kernel_uses_llsc && R10000_LLSC_WAR) { \ - long temp; \ - \ - __asm__ __volatile__( \ -- " .set arch=r4000 \n" \ -- "1: lld %0, %1 # atomic64_" #op " \n" \ -- " " #asm_op " %0, %2 \n" \ -+ " .set "MIPS_ISA_LEVEL" \n" \ -+ "1: lld %0, %1 # atomic64_" #op #suffix "\n" \ -+ "2: " #asm_op " %0, %2 \n" \ - " scd %0, %1 \n" \ - " beqzl %0, 1b \n" \ -+ extable \ - " .set mips0 \n" \ - : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) \ - : "Ir" (i)); \ - } else if (kernel_uses_llsc) { \ - long temp; \ - \ -- do { \ -- __asm__ __volatile__( \ -- " .set "MIPS_ISA_LEVEL" \n" \ -- " lld %0, %1 # atomic64_" #op "\n" \ -- " " #asm_op " %0, %2 \n" \ -- " scd %0, %1 \n" \ -- " .set mips0 \n" \ -- : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) \ -- : "Ir" (i)); \ -- } while (unlikely(!temp)); \ -+ __asm__ __volatile__( \ -+ " .set "MIPS_ISA_LEVEL" \n" \ -+ "1: lld %0, %1 # atomic64_" #op #suffix "\n" \ -+ "2: " #asm_op " %0, %2 \n" \ -+ " scd %0, %1 \n" \ -+ " beqz %0, 1b \n" \ -+ extable \ -+ " .set mips0 \n" \ -+ : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "Ir" (i)); \ - } else { \ - unsigned long flags; \ - \ - raw_local_irq_save(flags); \ -- v->counter c_op i; \ -+ __asm__ __volatile__( \ -+ "2: " #asm_op " %0, %1 \n" \ -+ extable \ -+ : "+" GCC_OFF_SMALL_ASM() (v->counter) : "Ir" (i)); \ - raw_local_irq_restore(flags); \ - } \ - } - --#define ATOMIC64_OP_RETURN(op, c_op, asm_op) \ --static __inline__ long atomic64_##op##_return_relaxed(long i, atomic64_t * v) \ -+#define ATOMIC64_OP(op, asm_op) __ATOMIC64_OP(op, _unchecked, asm_op##u, ) \ -+ __ATOMIC64_OP(op, , asm_op, __OVERFLOW_EXTABLE) -+ -+#define __ATOMIC64_OP_RETURN(op, suffix, asm_op, post_op, extable) \ -+static inline long atomic64_##op##_return##suffix##_relaxed(long i, atomic64##suffix##_t * v)\ - { \ - long result; \ - \ -@@ -429,12 +553,15 @@ static __inline__ long atomic64_##op##_return_relaxed(long i, atomic64_t * v) \ - long temp; \ - \ - __asm__ __volatile__( \ -- " .set arch=r4000 \n" \ -+ " .set mips3 \n" \ - "1: lld %1, %2 # atomic64_" #op "_return\n" \ -- " " #asm_op " %0, %1, %3 \n" \ -+ "2: " #asm_op " %0, %1, %3 \n" \ - " scd %0, %2 \n" \ - " beqzl %0, 1b \n" \ -- " " #asm_op " %0, %1, %3 \n" \ -+ post_op \ -+ extable \ -+ "4: " #asm_op " %0, %1, %3 \n" \ -+ "5: \n" \ - " .set mips0 \n" \ - : "=&r" (result), "=&r" (temp), \ - "+" GCC_OFF_SMALL_ASM() (v->counter) \ -@@ -442,33 +569,42 @@ static __inline__ long atomic64_##op##_return_relaxed(long i, atomic64_t * v) \ - } else if (kernel_uses_llsc) { \ - long temp; \ - \ -- do { \ -- __asm__ __volatile__( \ -- " .set "MIPS_ISA_LEVEL" \n" \ -- " lld %1, %2 # atomic64_" #op "_return\n" \ -- " " #asm_op " %0, %1, %3 \n" \ -- " scd %0, %2 \n" \ -- " .set mips0 \n" \ -- : "=&r" (result), "=&r" (temp), \ -- "=" GCC_OFF_SMALL_ASM() (v->counter) \ -- : "Ir" (i), GCC_OFF_SMALL_ASM() (v->counter) \ -- : "memory"); \ -- } while (unlikely(!result)); \ -- \ -- result = temp; result c_op i; \ -+ __asm__ __volatile__( \ -+ " .set "MIPS_ISA_LEVEL" \n" \ -+ "1: lld %1, %2 # atomic64_" #op "_return" #suffix "\n"\ -+ "2: " #asm_op " %0, %1, %3 \n" \ -+ " scd %0, %2 \n" \ -+ " beqz %0, 1b \n" \ -+ post_op \ -+ extable \ -+ "4: " #asm_op " %0, %1, %3 \n" \ -+ "5: \n" \ -+ " .set mips0 \n" \ -+ : "=&r" (result), "=&r" (temp), \ -+ "=" GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "Ir" (i), GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "memory"); \ - } else { \ - unsigned long flags; \ - \ - raw_local_irq_save(flags); \ -- result = v->counter; \ -- result c_op i; \ -- v->counter = result; \ -+ __asm__ __volatile__( \ -+ " ld %0, %1 \n" \ -+ "2: " #asm_op " %0, %1, %2 \n" \ -+ " sd %0, %1 \n" \ -+ "3: \n" \ -+ extable \ -+ : "=&r" (result), "+" GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "Ir" (i)); \ - raw_local_irq_restore(flags); \ - } \ - \ - return result; \ - } - -+#define ATOMIC64_OP_RETURN(op, asm_op) __ATOMIC64_OP_RETURN(op, _unchecked, asm_op##u, , ) \ -+ __ATOMIC64_OP_RETURN(op, , asm_op, __OVERFLOW_POST, __OVERFLOW_EXTABLE) -+ - #define ATOMIC64_FETCH_OP(op, c_op, asm_op) \ - static __inline__ long atomic64_fetch_##op##_relaxed(long i, atomic64_t * v) \ - { \ -@@ -517,13 +653,13 @@ static __inline__ long atomic64_fetch_##op##_relaxed(long i, atomic64_t * v) \ - return result; \ - } - --#define ATOMIC64_OPS(op, c_op, asm_op) \ -- ATOMIC64_OP(op, c_op, asm_op) \ -- ATOMIC64_OP_RETURN(op, c_op, asm_op) \ -- ATOMIC64_FETCH_OP(op, c_op, asm_op) -+#define ATOMIC64_OPS(op, asm_op) \ -+ ATOMIC64_OP(op, asm_op) \ -+ ATOMIC64_OP_RETURN(op, asm_op) \ -+ ATOMIC64_FETCH_OP(op, asm_op) - --ATOMIC64_OPS(add, +=, daddu) --ATOMIC64_OPS(sub, -=, dsubu) -+ATOMIC64_OPS(add, daddu) -+ATOMIC64_OPS(sub, dsubu) - - #define atomic64_add_return_relaxed atomic64_add_return_relaxed - #define atomic64_sub_return_relaxed atomic64_sub_return_relaxed -@@ -531,13 +667,13 @@ ATOMIC64_OPS(sub, -=, dsubu) - #define atomic64_fetch_sub_relaxed atomic64_fetch_sub_relaxed - - #undef ATOMIC64_OPS --#define ATOMIC64_OPS(op, c_op, asm_op) \ -- ATOMIC64_OP(op, c_op, asm_op) \ -- ATOMIC64_FETCH_OP(op, c_op, asm_op) -+#define ATOMIC64_OPS(op, asm_op) \ -+ ATOMIC64_OP(op, asm_op) \ -+ ATOMIC64_FETCH_OP(op, asm_op) - --ATOMIC64_OPS(and, &=, and) --ATOMIC64_OPS(or, |=, or) --ATOMIC64_OPS(xor, ^=, xor) -+ATOMIC64_OPS(and, and) -+ATOMIC64_OPS(or, or) -+ATOMIC64_OPS(xor, xor) - - #define atomic64_fetch_and_relaxed atomic64_fetch_and_relaxed - #define atomic64_fetch_or_relaxed atomic64_fetch_or_relaxed -@@ -546,7 +682,11 @@ ATOMIC64_OPS(xor, ^=, xor) - #undef ATOMIC64_OPS - #undef ATOMIC64_FETCH_OP - #undef ATOMIC64_OP_RETURN -+#undef __ATOMIC64_OP_RETURN - #undef ATOMIC64_OP -+#undef __ATOMIC64_OP -+#undef __OVERFLOW_EXTABLE -+#undef __OVERFLOW_POST - - /* - * atomic64_sub_if_positive - conditionally subtract integer from atomic -@@ -557,7 +697,7 @@ ATOMIC64_OPS(xor, ^=, xor) - * Atomically test @v and subtract @i if @v is greater or equal than @i. - * The function returns the old value of @v minus @i. - */ --static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v) -+static __inline__ long atomic64_sub_if_positive(long i, atomic64_t *v) - { - long result; - -@@ -567,7 +707,7 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v) - long temp; - - __asm__ __volatile__( -- " .set arch=r4000 \n" -+ " .set "MIPS_ISA_LEVEL" \n" - "1: lld %1, %2 # atomic64_sub_if_positive\n" - " dsubu %0, %1, %3 \n" - " bltz %0, 1f \n" -@@ -616,9 +756,26 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v) - return result; - } - --#define atomic64_cmpxchg(v, o, n) \ -- ((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n))) --#define atomic64_xchg(v, new) (xchg(&((v)->counter), (new))) -+static inline long atomic64_cmpxchg(atomic64_t *v, long old, long new) -+{ -+ return cmpxchg(&v->counter, old, new); -+} -+ -+static inline long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long old, -+ long new) -+{ -+ return cmpxchg(&(v->counter), old, new); -+} -+ -+static inline long atomic64_xchg(atomic64_t *v, long new) -+{ -+ return xchg(&v->counter, new); -+} -+ -+static inline long atomic64_xchg_unchecked(atomic64_unchecked_t *v, long new) -+{ -+ return xchg(&(v->counter), new); -+} - - /** - * atomic64_add_unless - add unless the number is a given value -@@ -648,6 +805,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) - - #define atomic64_dec_return(v) atomic64_sub_return(1, (v)) - #define atomic64_inc_return(v) atomic64_add_return(1, (v)) -+#define atomic64_inc_return_unchecked(v) atomic64_add_return_unchecked(1, (v)) - - /* - * atomic64_sub_and_test - subtract value from variable and test result -@@ -669,6 +827,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) - * other cases. - */ - #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0) -+#define atomic64_inc_and_test_unchecked(v) atomic64_add_return_unchecked(1, (v)) == 0) - - /* - * atomic64_dec_and_test - decrement by 1 and test -@@ -693,6 +852,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) - * Atomically increments @v by 1. - */ - #define atomic64_inc(v) atomic64_add(1, (v)) -+#define atomic64_inc_unchecked(v) atomic64_add_unchecked(1, (v)) - - /* - * atomic64_dec - decrement and test -@@ -701,6 +861,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) - * Atomically decrements @v by 1. - */ - #define atomic64_dec(v) atomic64_sub(1, (v)) -+#define atomic64_dec_unchecked(v) atomic64_sub_unchecked(1, (v)) - - /* - * atomic64_add_negative - add and test if negative -diff --git a/arch/mips/include/asm/cache.h b/arch/mips/include/asm/cache.h -index b4db69f..8f3b093 100644 ---- a/arch/mips/include/asm/cache.h -+++ b/arch/mips/include/asm/cache.h -@@ -9,10 +9,11 @@ - #ifndef _ASM_CACHE_H - #define _ASM_CACHE_H - -+#include - #include - - #define L1_CACHE_SHIFT CONFIG_MIPS_L1_CACHE_SHIFT --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define SMP_CACHE_SHIFT L1_CACHE_SHIFT - #define SMP_CACHE_BYTES L1_CACHE_BYTES -diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h -index 2b3dc29..1f7bdc4 100644 ---- a/arch/mips/include/asm/elf.h -+++ b/arch/mips/include/asm/elf.h -@@ -458,6 +458,13 @@ extern const char *__elf_platform; - #define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) - #endif - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (TASK_IS_32BIT_ADDR ? 0x00400000UL : 0x00400000UL) -+ -+#define PAX_DELTA_MMAP_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#define PAX_DELTA_STACK_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#endif -+ - /* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */ - #define ARCH_DLINFO \ - do { \ -diff --git a/arch/mips/include/asm/exec.h b/arch/mips/include/asm/exec.h -index c1f6afa..38cc6e9 100644 ---- a/arch/mips/include/asm/exec.h -+++ b/arch/mips/include/asm/exec.h -@@ -12,6 +12,6 @@ - #ifndef _ASM_EXEC_H - #define _ASM_EXEC_H - --extern unsigned long arch_align_stack(unsigned long sp); -+#define arch_align_stack(x) ((x) & ~0xfUL) - - #endif /* _ASM_EXEC_H */ -diff --git a/arch/mips/include/asm/hw_irq.h b/arch/mips/include/asm/hw_irq.h -index 9e8ef59..1139d6b 100644 ---- a/arch/mips/include/asm/hw_irq.h -+++ b/arch/mips/include/asm/hw_irq.h -@@ -10,7 +10,7 @@ - - #include - --extern atomic_t irq_err_count; -+extern atomic_unchecked_t irq_err_count; - - /* - * interrupt-retrigger: NOP for now. This may not be appropriate for all -diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h -index 956db6e..05a58b1 100644 ---- a/arch/mips/include/asm/irq.h -+++ b/arch/mips/include/asm/irq.h -@@ -11,7 +11,6 @@ - - #include - #include --#include - - #include - -diff --git a/arch/mips/include/asm/local.h b/arch/mips/include/asm/local.h -index 8feaed6..1bd8a64 100644 ---- a/arch/mips/include/asm/local.h -+++ b/arch/mips/include/asm/local.h -@@ -13,15 +13,25 @@ typedef struct - atomic_long_t a; - } local_t; - -+typedef struct { -+ atomic_long_unchecked_t a; -+} local_unchecked_t; -+ - #define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) } - - #define local_read(l) atomic_long_read(&(l)->a) -+#define local_read_unchecked(l) atomic_long_read_unchecked(&(l)->a) - #define local_set(l, i) atomic_long_set(&(l)->a, (i)) -+#define local_set_unchecked(l, i) atomic_long_set_unchecked(&(l)->a, (i)) - - #define local_add(i, l) atomic_long_add((i), (&(l)->a)) -+#define local_add_unchecked(i, l) atomic_long_add_unchecked((i), (&(l)->a)) - #define local_sub(i, l) atomic_long_sub((i), (&(l)->a)) -+#define local_sub_unchecked(i, l) atomic_long_sub_unchecked((i), (&(l)->a)) - #define local_inc(l) atomic_long_inc(&(l)->a) -+#define local_inc_unchecked(l) atomic_long_inc_unchecked(&(l)->a) - #define local_dec(l) atomic_long_dec(&(l)->a) -+#define local_dec_unchecked(l) atomic_long_dec_unchecked(&(l)->a) - - /* - * Same as above, but return the result value -@@ -71,6 +81,51 @@ static __inline__ long local_add_return(long i, local_t * l) - return result; - } - -+static __inline__ long local_add_return_unchecked(long i, local_unchecked_t * l) -+{ -+ unsigned long result; -+ -+ if (kernel_uses_llsc && R10000_LLSC_WAR) { -+ unsigned long temp; -+ -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1:" __LL "%1, %2 # local_add_return \n" -+ " addu %0, %1, %3 \n" -+ __SC "%0, %2 \n" -+ " beqzl %0, 1b \n" -+ " addu %0, %1, %3 \n" -+ " .set mips0 \n" -+ : "=&r" (result), "=&r" (temp), "=m" (l->a.counter) -+ : "Ir" (i), "m" (l->a.counter) -+ : "memory"); -+ } else if (kernel_uses_llsc) { -+ unsigned long temp; -+ -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1:" __LL "%1, %2 # local_add_return \n" -+ " addu %0, %1, %3 \n" -+ __SC "%0, %2 \n" -+ " beqz %0, 1b \n" -+ " addu %0, %1, %3 \n" -+ " .set mips0 \n" -+ : "=&r" (result), "=&r" (temp), "=m" (l->a.counter) -+ : "Ir" (i), "m" (l->a.counter) -+ : "memory"); -+ } else { -+ unsigned long flags; -+ -+ local_irq_save(flags); -+ result = l->a.counter; -+ result += i; -+ l->a.counter = result; -+ local_irq_restore(flags); -+ } -+ -+ return result; -+} -+ - static __inline__ long local_sub_return(long i, local_t * l) - { - unsigned long result; -@@ -118,6 +173,8 @@ static __inline__ long local_sub_return(long i, local_t * l) - - #define local_cmpxchg(l, o, n) \ - ((long)cmpxchg_local(&((l)->a.counter), (o), (n))) -+#define local_cmpxchg_unchecked(l, o, n) \ -+ ((long)cmpxchg_local(&((l)->a.counter), (o), (n))) - #define local_xchg(l, n) (atomic_long_xchg((&(l)->a), (n))) - - /** -diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h -index 5f98759..a3a7cb2 100644 ---- a/arch/mips/include/asm/page.h -+++ b/arch/mips/include/asm/page.h -@@ -118,7 +118,7 @@ extern void copy_user_highpage(struct page *to, struct page *from, - #ifdef CONFIG_CPU_MIPS32 - typedef struct { unsigned long pte_low, pte_high; } pte_t; - #define pte_val(x) ((x).pte_low | ((unsigned long long)(x).pte_high << 32)) -- #define __pte(x) ({ pte_t __pte = {(x), ((unsigned long long)(x)) >> 32}; __pte; }) -+ #define __pte(x) ({ pte_t __pte = {(x), (x) >> 32}; __pte; }) - #else - typedef struct { unsigned long long pte; } pte_t; - #define pte_val(x) ((x).pte) -diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h -index a03e869..e1928f5 100644 ---- a/arch/mips/include/asm/pgalloc.h -+++ b/arch/mips/include/asm/pgalloc.h -@@ -37,6 +37,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) - { - set_pud(pud, __pud((unsigned long)pmd)); - } -+ -+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) -+{ -+ pud_populate(mm, pud, pmd); -+} - #endif - - /* -diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h -index 9e9e94415..43354f5 100644 ---- a/arch/mips/include/asm/pgtable.h -+++ b/arch/mips/include/asm/pgtable.h -@@ -20,6 +20,9 @@ - #include - #include - -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - struct mm_struct; - struct vm_area_struct; - -diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h -index e309d8f..20eefec 100644 ---- a/arch/mips/include/asm/thread_info.h -+++ b/arch/mips/include/asm/thread_info.h -@@ -101,6 +101,9 @@ static inline struct thread_info *current_thread_info(void) - #define TIF_NOTIFY_RESUME 5 /* callback before returning to user */ - #define TIF_UPROBE 6 /* breakpointed or singlestepping */ - #define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */ -+/* li takes a 32bit immediate */ -+#define TIF_GRSEC_SETXID 10 /* update credentials on syscall entry/exit */ -+ - #define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */ - #define TIF_MEMDIE 18 /* is terminating due to OOM killer */ - #define TIF_NOHZ 19 /* in adaptive nohz mode */ -@@ -137,14 +140,16 @@ static inline struct thread_info *current_thread_info(void) - #define _TIF_USEDMSA (1< - #include - #include -diff --git a/arch/mips/kernel/binfmt_elfo32.c b/arch/mips/kernel/binfmt_elfo32.c -index 1ab3432..0e66879 100644 ---- a/arch/mips/kernel/binfmt_elfo32.c -+++ b/arch/mips/kernel/binfmt_elfo32.c -@@ -41,6 +41,13 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; - #undef ELF_ET_DYN_BASE - #define ELF_ET_DYN_BASE (TASK32_SIZE / 3 * 2) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (TASK_IS_32BIT_ADDR ? 0x00400000UL : 0x00400000UL) -+ -+#define PAX_DELTA_MMAP_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#define PAX_DELTA_STACK_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#endif -+ - #include - - #include -diff --git a/arch/mips/kernel/irq-gt641xx.c b/arch/mips/kernel/irq-gt641xx.c -index 44a1f79..2bd6aa3 100644 ---- a/arch/mips/kernel/irq-gt641xx.c -+++ b/arch/mips/kernel/irq-gt641xx.c -@@ -110,7 +110,7 @@ void gt641xx_irq_dispatch(void) - } - } - -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - } - - void __init gt641xx_irq_init(void) -diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c -index 2b0a371..1e272b7 100644 ---- a/arch/mips/kernel/irq.c -+++ b/arch/mips/kernel/irq.c -@@ -36,17 +36,17 @@ void ack_bad_irq(unsigned int irq) - printk("unexpected IRQ # %d\n", irq); - } - --atomic_t irq_err_count; -+atomic_unchecked_t irq_err_count; - - int arch_show_interrupts(struct seq_file *p, int prec) - { -- seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count)); -+ seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read_unchecked(&irq_err_count)); - return 0; - } - - asmlinkage void spurious_interrupt(void) - { -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - } - - void __init init_IRQ(void) -@@ -72,6 +72,8 @@ void __init init_IRQ(void) - } - - #ifdef CONFIG_DEBUG_STACKOVERFLOW -+ -+extern void gr_handle_kernel_exploit(void); - static inline void check_stack_overflow(void) - { - unsigned long sp; -@@ -87,6 +89,7 @@ static inline void check_stack_overflow(void) - printk("do_IRQ: stack overflow: %ld\n", - sp - sizeof(struct thread_info)); - dump_stack(); -+ gr_handle_kernel_exploit(); - } - } - #else -diff --git a/arch/mips/kernel/kprobes.c b/arch/mips/kernel/kprobes.c -index f5c8bce..b06a560 100644 ---- a/arch/mips/kernel/kprobes.c -+++ b/arch/mips/kernel/kprobes.c -@@ -535,6 +535,7 @@ static void __used kretprobe_trampoline_holder(void) - - void kretprobe_trampoline(void); - -+#ifdef CONFIG_KRETPROBES - void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, - struct pt_regs *regs) - { -@@ -543,6 +544,7 @@ void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, - /* Replace the return addr with trampoline addr */ - regs->regs[31] = (unsigned long)kretprobe_trampoline; - } -+#endif - - /* - * Called when the probe at kretprobe trampoline is hit -@@ -611,6 +613,7 @@ static int __kprobes trampoline_probe_handler(struct kprobe *p, - return 1; - } - -+#ifdef CONFIG_KRETPROBES - int __kprobes arch_trampoline_kprobe(struct kprobe *p) - { - if (p->addr == (kprobe_opcode_t *)kretprobe_trampoline) -@@ -618,6 +621,7 @@ int __kprobes arch_trampoline_kprobe(struct kprobe *p) - - return 0; - } -+#endif - - static struct kprobe trampoline_p = { - .addr = (kprobe_opcode_t *)kretprobe_trampoline, -diff --git a/arch/mips/kernel/pm-cps.c b/arch/mips/kernel/pm-cps.c -index 7cf653e..7df52f6 100644 ---- a/arch/mips/kernel/pm-cps.c -+++ b/arch/mips/kernel/pm-cps.c -@@ -168,7 +168,7 @@ int cps_pm_enter_state(enum cps_pm_state state) - nc_core_ready_count = nc_addr; - - /* Ensure ready_count is zero-initialised before the assembly runs */ -- ACCESS_ONCE(*nc_core_ready_count) = 0; -+ ACCESS_ONCE_RW(*nc_core_ready_count) = 0; - coupled_barrier(&per_cpu(pm_barrier, core), online); - - /* Run the generated entry code */ -diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c -index fbbf5fc..eec61dd 100644 ---- a/arch/mips/kernel/process.c -+++ b/arch/mips/kernel/process.c -@@ -603,18 +603,6 @@ unsigned long get_wchan(struct task_struct *task) - return pc; - } - --/* -- * Don't forget that the stack pointer must be aligned on a 8 bytes -- * boundary for 32-bits ABI and 16 bytes for 64-bits ABI. -- */ --unsigned long arch_align_stack(unsigned long sp) --{ -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() & ~PAGE_MASK; -- -- return sp & ALMASK; --} -- - static void arch_dump_stack(void *info) - { - struct pt_regs *regs; -diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c -index bf83dc1..775bed8 100644 ---- a/arch/mips/kernel/ptrace.c -+++ b/arch/mips/kernel/ptrace.c -@@ -883,6 +883,10 @@ long arch_ptrace(struct task_struct *child, long request, - return ret; - } - -+#ifdef CONFIG_GRKERNSEC_SETXID -+extern void gr_delayed_cred_worker(void); -+#endif -+ - /* - * Notification of system call entry/exit - * - triggered by current->work.syscall_trace -@@ -900,6 +904,11 @@ asmlinkage long syscall_trace_enter(struct pt_regs *regs, long syscall) - if (secure_computing(NULL) == -1) - return -1; - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) - trace_sys_enter(regs, regs->regs[2]); - -diff --git a/arch/mips/kernel/sync-r4k.c b/arch/mips/kernel/sync-r4k.c -index 4472a7f..c5905e6 100644 ---- a/arch/mips/kernel/sync-r4k.c -+++ b/arch/mips/kernel/sync-r4k.c -@@ -18,8 +18,8 @@ - #include - - static unsigned int initcount = 0; --static atomic_t count_count_start = ATOMIC_INIT(0); --static atomic_t count_count_stop = ATOMIC_INIT(0); -+static atomic_unchecked_t count_count_start = ATOMIC_INIT(0); -+static atomic_unchecked_t count_count_stop = ATOMIC_INIT(0); - - #define COUNTON 100 - #define NR_LOOPS 3 -@@ -46,13 +46,13 @@ void synchronise_count_master(int cpu) - - for (i = 0; i < NR_LOOPS; i++) { - /* slaves loop on '!= 2' */ -- while (atomic_read(&count_count_start) != 1) -+ while (atomic_read_unchecked(&count_count_start) != 1) - mb(); -- atomic_set(&count_count_stop, 0); -+ atomic_set_unchecked(&count_count_stop, 0); - smp_wmb(); - - /* Let the slave writes its count register */ -- atomic_inc(&count_count_start); -+ atomic_inc_unchecked(&count_count_start); - - /* Count will be initialised to current timer */ - if (i == 1) -@@ -67,11 +67,11 @@ void synchronise_count_master(int cpu) - /* - * Wait for slave to leave the synchronization point: - */ -- while (atomic_read(&count_count_stop) != 1) -+ while (atomic_read_unchecked(&count_count_stop) != 1) - mb(); -- atomic_set(&count_count_start, 0); -+ atomic_set_unchecked(&count_count_start, 0); - smp_wmb(); -- atomic_inc(&count_count_stop); -+ atomic_inc_unchecked(&count_count_stop); - } - /* Arrange for an interrupt in a short while */ - write_c0_compare(read_c0_count() + COUNTON); -@@ -96,8 +96,8 @@ void synchronise_count_slave(int cpu) - */ - - for (i = 0; i < NR_LOOPS; i++) { -- atomic_inc(&count_count_start); -- while (atomic_read(&count_count_start) != 2) -+ atomic_inc_unchecked(&count_count_start); -+ while (atomic_read_unchecked(&count_count_start) != 2) - mb(); - - /* -@@ -106,8 +106,8 @@ void synchronise_count_slave(int cpu) - if (i == NR_LOOPS-1) - write_c0_count(initcount); - -- atomic_inc(&count_count_stop); -- while (atomic_read(&count_count_stop) != 2) -+ atomic_inc_unchecked(&count_count_stop); -+ while (atomic_read_unchecked(&count_count_stop) != 2) - mb(); - } - /* Arrange for an interrupt in a short while */ -diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c -index ec87ef9..dac8bcd 100644 ---- a/arch/mips/kernel/traps.c -+++ b/arch/mips/kernel/traps.c -@@ -702,7 +702,18 @@ asmlinkage void do_ov(struct pt_regs *regs) - }; - - prev_state = exception_enter(); -- die_if_kernel("Integer overflow", regs); -+ if (unlikely(!user_mode(regs))) { -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ if (fixup_exception(regs)) { -+ pax_report_refcount_error(regs, NULL); -+ exception_exit(prev_state); -+ return; -+ } -+#endif -+ -+ die("Integer overflow", regs); -+ } - - force_sig_info(SIGFPE, &info, current); - exception_exit(prev_state); -diff --git a/arch/mips/lib/ashldi3.c b/arch/mips/lib/ashldi3.c -index c3e2205..b4302f8 100644 ---- a/arch/mips/lib/ashldi3.c -+++ b/arch/mips/lib/ashldi3.c -@@ -2,7 +2,11 @@ - - #include "libgcc.h" - --long long notrace __ashldi3(long long u, word_type b) -+#ifdef CONFIG_64BIT -+DWtype notrace __ashlti3(DWtype u, word_type b) -+#else -+DWtype notrace __ashldi3(DWtype u, word_type b) -+#endif - { - DWunion uu, w; - word_type bm; -@@ -11,19 +15,22 @@ long long notrace __ashldi3(long long u, word_type b) - return u; - - uu.ll = u; -- bm = 32 - b; -+ bm = BITS_PER_LONG - b; - - if (bm <= 0) { - w.s.low = 0; -- w.s.high = (unsigned int) uu.s.low << -bm; -+ w.s.high = (unsigned long) uu.s.low << -bm; - } else { -- const unsigned int carries = (unsigned int) uu.s.low >> bm; -+ const unsigned long carries = (unsigned long) uu.s.low >> bm; - -- w.s.low = (unsigned int) uu.s.low << b; -- w.s.high = ((unsigned int) uu.s.high << b) | carries; -+ w.s.low = (unsigned long) uu.s.low << b; -+ w.s.high = ((unsigned long) uu.s.high << b) | carries; - } - - return w.ll; - } -- -+#ifdef CONFIG_64BIT -+EXPORT_SYMBOL(__ashlti3); -+#else - EXPORT_SYMBOL(__ashldi3); -+#endif -diff --git a/arch/mips/lib/ashrdi3.c b/arch/mips/lib/ashrdi3.c -index 1745602..d20aabf 100644 ---- a/arch/mips/lib/ashrdi3.c -+++ b/arch/mips/lib/ashrdi3.c -@@ -2,7 +2,11 @@ - - #include "libgcc.h" - --long long notrace __ashrdi3(long long u, word_type b) -+#ifdef CONFIG_64BIT -+DWtype notrace __ashrti3(DWtype u, word_type b) -+#else -+DWtype notrace __ashrdi3(DWtype u, word_type b) -+#endif - { - DWunion uu, w; - word_type bm; -@@ -11,21 +15,24 @@ long long notrace __ashrdi3(long long u, word_type b) - return u; - - uu.ll = u; -- bm = 32 - b; -+ bm = BITS_PER_LONG - b; - - if (bm <= 0) { - /* w.s.high = 1..1 or 0..0 */ - w.s.high = -- uu.s.high >> 31; -+ uu.s.high >> (BITS_PER_LONG - 1); - w.s.low = uu.s.high >> -bm; - } else { -- const unsigned int carries = (unsigned int) uu.s.high << bm; -+ const unsigned long carries = (unsigned long) uu.s.high << bm; - - w.s.high = uu.s.high >> b; -- w.s.low = ((unsigned int) uu.s.low >> b) | carries; -+ w.s.low = ((unsigned long) uu.s.low >> b) | carries; - } - - return w.ll; - } -- -+#ifdef CONFIG_64BIT -+EXPORT_SYMBOL(__ashrti3); -+#else - EXPORT_SYMBOL(__ashrdi3); -+#endif -diff --git a/arch/mips/lib/libgcc.h b/arch/mips/lib/libgcc.h -index 05909d58..b03284b 100644 ---- a/arch/mips/lib/libgcc.h -+++ b/arch/mips/lib/libgcc.h -@@ -5,13 +5,19 @@ - - typedef int word_type __attribute__ ((mode (__word__))); - -+#ifdef CONFIG_64BIT -+typedef int DWtype __attribute__((mode(TI))); -+#else -+typedef long long DWtype; -+#endif -+ - #ifdef __BIG_ENDIAN - struct DWstruct { -- int high, low; -+ long high, low; - }; - #elif defined(__LITTLE_ENDIAN) - struct DWstruct { -- int low, high; -+ long low, high; - }; - #else - #error I feel sick. -@@ -19,7 +25,7 @@ struct DWstruct { - - typedef union { - struct DWstruct s; -- long long ll; -+ DWtype ll; - } DWunion; - - #endif /* __ASM_LIBGCC_H */ -diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c -index 3bef306..fcec133 100644 ---- a/arch/mips/mm/fault.c -+++ b/arch/mips/mm/fault.c -@@ -30,6 +30,23 @@ - - int show_unhandled_signals = 1; - -+#ifdef CONFIG_PAX_PAGEEXEC -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 5; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - /* - * This routine handles page faults. It determines the address, - * and the problem, and then passes it off to one of the appropriate -@@ -204,6 +221,14 @@ static void __kprobes __do_page_fault(struct pt_regs *regs, unsigned long write, - bad_area_nosemaphore: - /* User mode accesses just cause a SIGSEGV */ - if (user_mode(regs)) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (cpu_has_rixi && (mm->pax_flags & MF_PAX_PAGEEXEC) && !write && address == instruction_pointer(regs)) { -+ pax_report_fault(regs, (void *)address, (void *)user_stack_pointer(regs)); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - tsk->thread.cp0_badvaddr = address; - tsk->thread.error_code = write; - if (show_unhandled_signals && -diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c -index e86ebcf..7a78a07 100644 ---- a/arch/mips/mm/init.c -+++ b/arch/mips/mm/init.c -@@ -474,10 +474,10 @@ void __init mem_init(void) - - #ifdef CONFIG_64BIT - if ((unsigned long) &_text > (unsigned long) CKSEG0) -- /* The -4 is a hack so that user tools don't have to handle -+ /* The -0x2000-4 is a hack so that user tools don't have to handle - the overflow. */ - kclist_add(&kcore_kseg0, (void *) CKSEG0, -- 0x80000000 - 4, KCORE_TEXT); -+ 0x80000000 - 0x2000 - 4, KCORE_TEXT); - #endif - } - #endif /* !CONFIG_NEED_MULTIPLE_NODES */ -diff --git a/arch/mips/mm/mmap.c b/arch/mips/mm/mmap.c -index d08ea3f..66bb13d 100644 ---- a/arch/mips/mm/mmap.c -+++ b/arch/mips/mm/mmap.c -@@ -59,6 +59,7 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp, - struct vm_area_struct *vma; - unsigned long addr = addr0; - int do_color_align; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - if (unlikely(len > TASK_SIZE)) -@@ -84,6 +85,11 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp, - do_color_align = 1; - - /* requesting a specific address */ -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(current->mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_color_align) - addr = COLOUR_ALIGN(addr, pgoff); -@@ -91,14 +97,14 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp, - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - - info.length = len; - info.align_mask = do_color_align ? (PAGE_MASK & shm_align_mask) : 0; - info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; - - if (dir == DOWN) { - info.flags = VM_UNMAPPED_AREA_TOPDOWN; -@@ -160,14 +166,30 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - { - unsigned long random_factor = 0UL; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (current->flags & PF_RANDOMIZE) - random_factor = arch_mmap_rnd(); - - if (mmap_is_legacy()) { - mm->mmap_base = TASK_UNMAPPED_BASE + random_factor; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area; - } else { - mm->mmap_base = mmap_base(random_factor); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - } - } -diff --git a/arch/mips/sgi-ip27/ip27-nmi.c b/arch/mips/sgi-ip27/ip27-nmi.c -index cfceaea..65deeb4 100644 ---- a/arch/mips/sgi-ip27/ip27-nmi.c -+++ b/arch/mips/sgi-ip27/ip27-nmi.c -@@ -187,9 +187,9 @@ void - cont_nmi_dump(void) - { - #ifndef REAL_NMI_SIGNAL -- static atomic_t nmied_cpus = ATOMIC_INIT(0); -+ static atomic_unchecked_t nmied_cpus = ATOMIC_INIT(0); - -- atomic_inc(&nmied_cpus); -+ atomic_inc_unchecked(&nmied_cpus); - #endif - /* - * Only allow 1 cpu to proceed -@@ -233,7 +233,7 @@ cont_nmi_dump(void) - udelay(10000); - } - #else -- while (atomic_read(&nmied_cpus) != num_online_cpus()); -+ while (atomic_read_unchecked(&nmied_cpus) != num_online_cpus()); - #endif - - /* -diff --git a/arch/mips/sni/rm200.c b/arch/mips/sni/rm200.c -index 160b880..3b53fdc 100644 ---- a/arch/mips/sni/rm200.c -+++ b/arch/mips/sni/rm200.c -@@ -270,7 +270,7 @@ void sni_rm200_mask_and_ack_8259A(struct irq_data *d) - "spurious RM200 8259A interrupt: IRQ%d.\n", irq); - spurious_irq_mask |= irqmask; - } -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - /* - * Theoretically we do not have to handle this IRQ, - * but in Linux this does not cause problems and is -diff --git a/arch/mips/vr41xx/common/icu.c b/arch/mips/vr41xx/common/icu.c -index 41e873b..34d33a7 100644 ---- a/arch/mips/vr41xx/common/icu.c -+++ b/arch/mips/vr41xx/common/icu.c -@@ -653,7 +653,7 @@ static int icu_get_irq(unsigned int irq) - - printk(KERN_ERR "spurious ICU interrupt: %04x,%04x\n", pend1, pend2); - -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - - return -1; - } -diff --git a/arch/mips/vr41xx/common/irq.c b/arch/mips/vr41xx/common/irq.c -index ae0e4ee..e8f0692 100644 ---- a/arch/mips/vr41xx/common/irq.c -+++ b/arch/mips/vr41xx/common/irq.c -@@ -64,7 +64,7 @@ static void irq_dispatch(unsigned int irq) - irq_cascade_t *cascade; - - if (irq >= NR_IRQS) { -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - return; - } - -@@ -84,7 +84,7 @@ static void irq_dispatch(unsigned int irq) - ret = cascade->get_irq(irq); - irq = ret; - if (ret < 0) -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - else - irq_dispatch(irq); - if (!irqd_irq_disabled(idata) && chip->irq_unmask) -diff --git a/arch/mn10300/proc-mn103e010/include/proc/cache.h b/arch/mn10300/proc-mn103e010/include/proc/cache.h -index 967d144..db12197 100644 ---- a/arch/mn10300/proc-mn103e010/include/proc/cache.h -+++ b/arch/mn10300/proc-mn103e010/include/proc/cache.h -@@ -11,12 +11,14 @@ - #ifndef _ASM_PROC_CACHE_H - #define _ASM_PROC_CACHE_H - -+#include -+ - /* L1 cache */ - - #define L1_CACHE_NWAYS 4 /* number of ways in caches */ - #define L1_CACHE_NENTRIES 256 /* number of entries in each way */ --#define L1_CACHE_BYTES 16 /* bytes per entry */ - #define L1_CACHE_SHIFT 4 /* shift for bytes per entry */ -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) /* bytes per entry */ - #define L1_CACHE_WAYDISP 0x1000 /* displacement of one way from the next */ - - #define L1_CACHE_TAG_VALID 0x00000001 /* cache tag valid bit */ -diff --git a/arch/mn10300/proc-mn2ws0050/include/proc/cache.h b/arch/mn10300/proc-mn2ws0050/include/proc/cache.h -index bcb5df2..84fabd2 100644 ---- a/arch/mn10300/proc-mn2ws0050/include/proc/cache.h -+++ b/arch/mn10300/proc-mn2ws0050/include/proc/cache.h -@@ -16,13 +16,15 @@ - #ifndef _ASM_PROC_CACHE_H - #define _ASM_PROC_CACHE_H - -+#include -+ - /* - * L1 cache - */ - #define L1_CACHE_NWAYS 4 /* number of ways in caches */ - #define L1_CACHE_NENTRIES 128 /* number of entries in each way */ --#define L1_CACHE_BYTES 32 /* bytes per entry */ - #define L1_CACHE_SHIFT 5 /* shift for bytes per entry */ -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) /* bytes per entry */ - #define L1_CACHE_WAYDISP 0x1000 /* distance from one way to the next */ - - #define L1_CACHE_TAG_VALID 0x00000001 /* cache tag valid bit */ -diff --git a/arch/openrisc/include/asm/cache.h b/arch/openrisc/include/asm/cache.h -index 5f55da9..7ce9437 100644 ---- a/arch/openrisc/include/asm/cache.h -+++ b/arch/openrisc/include/asm/cache.h -@@ -19,13 +19,15 @@ - #ifndef __ASM_OPENRISC_CACHE_H - #define __ASM_OPENRISC_CACHE_H - -+#include -+ - /* FIXME: How can we replace these with values from the CPU... - * they shouldn't be hard-coded! - */ - - #define __ro_after_init __read_mostly - --#define L1_CACHE_BYTES 16 - #define L1_CACHE_SHIFT 4 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #endif /* __ASM_OPENRISC_CACHE_H */ -diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h -index 5394b9c..e77a306 100644 ---- a/arch/parisc/include/asm/atomic.h -+++ b/arch/parisc/include/asm/atomic.h -@@ -327,6 +327,16 @@ static inline long atomic64_dec_if_positive(atomic64_t *v) - return dec; - } - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - #endif /* !CONFIG_64BIT */ - - -diff --git a/arch/parisc/include/asm/cache.h b/arch/parisc/include/asm/cache.h -index df0f52b..810699b 100644 ---- a/arch/parisc/include/asm/cache.h -+++ b/arch/parisc/include/asm/cache.h -@@ -5,6 +5,7 @@ - #ifndef __ARCH_PARISC_CACHE_H - #define __ARCH_PARISC_CACHE_H - -+#include - - /* - * PA 2.0 processors have 64 and 128-byte L2 cachelines; PA 1.1 processors -@@ -14,6 +15,8 @@ - #define L1_CACHE_BYTES 16 - #define L1_CACHE_SHIFT 4 - -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) -+ - #ifndef __ASSEMBLY__ - - #define SMP_CACHE_BYTES L1_CACHE_BYTES -diff --git a/arch/parisc/include/asm/elf.h b/arch/parisc/include/asm/elf.h -index 78c9fd3..42fa66a 100644 ---- a/arch/parisc/include/asm/elf.h -+++ b/arch/parisc/include/asm/elf.h -@@ -342,6 +342,13 @@ struct pt_regs; /* forward declaration... */ - - #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x01000000) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE 0x10000UL -+ -+#define PAX_DELTA_MMAP_LEN 16 -+#define PAX_DELTA_STACK_LEN 16 -+#endif -+ - /* This yields a mask that user programs can use to figure out what - instruction set this CPU supports. This could be done in user space, - but it's not easy, and we've already done it here. */ -diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h -index f08dda3..ea6aa1b 100644 ---- a/arch/parisc/include/asm/pgalloc.h -+++ b/arch/parisc/include/asm/pgalloc.h -@@ -61,6 +61,11 @@ static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd) - (__u32)(__pa((unsigned long)pmd) >> PxD_VALUE_SHIFT)); - } - -+static inline void pgd_populate_kernel(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd) -+{ -+ pgd_populate(mm, pgd, pmd); -+} -+ - static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) - { - pmd_t *pmd = (pmd_t *)__get_free_pages(GFP_KERNEL, PMD_ORDER); -@@ -96,6 +101,7 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) - #define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); }) - #define pmd_free(mm, x) do { } while (0) - #define pgd_populate(mm, pmd, pte) BUG() -+#define pgd_populate_kernel(mm, pmd, pte) BUG() - - #endif - -diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h -index 3a4ed9f..29b7218 100644 ---- a/arch/parisc/include/asm/pgtable.h -+++ b/arch/parisc/include/asm/pgtable.h -@@ -236,6 +236,17 @@ static inline void purge_tlb_entries(struct mm_struct *mm, unsigned long addr) - #define PAGE_EXECREAD __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_EXEC |_PAGE_ACCESSED) - #define PAGE_COPY PAGE_EXECREAD - #define PAGE_RWX __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_WRITE | _PAGE_EXEC |_PAGE_ACCESSED) -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+# define PAGE_SHARED_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_WRITE | _PAGE_ACCESSED) -+# define PAGE_COPY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_ACCESSED) -+# define PAGE_READONLY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_ACCESSED) -+#else -+# define PAGE_SHARED_NOEXEC PAGE_SHARED -+# define PAGE_COPY_NOEXEC PAGE_COPY -+# define PAGE_READONLY_NOEXEC PAGE_READONLY -+#endif -+ - #define PAGE_KERNEL __pgprot(_PAGE_KERNEL) - #define PAGE_KERNEL_EXEC __pgprot(_PAGE_KERNEL_EXEC) - #define PAGE_KERNEL_RWX __pgprot(_PAGE_KERNEL_RWX) -diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h -index 7fcf512..37391e8 100644 ---- a/arch/parisc/include/asm/uaccess.h -+++ b/arch/parisc/include/asm/uaccess.h -@@ -232,10 +232,10 @@ static inline void copy_user_overflow(int size, unsigned long count) - static __always_inline unsigned long __must_check - copy_from_user(void *to, const void __user *from, unsigned long n) - { -- int sz = __compiletime_object_size(to); -+ size_t sz = __compiletime_object_size(to); - unsigned long ret = n; - -- if (likely(sz < 0 || sz >= n)) { -+ if (likely(sz == (size_t)-1 || sz >= n)) { - check_object_size(to, n, false); - ret = __copy_from_user(to, from, n); - } else if (!__builtin_constant_p(n)) -@@ -243,7 +243,7 @@ copy_from_user(void *to, const void __user *from, unsigned long n) - else - __bad_copy_user(); - -- if (unlikely(ret)) -+ if (unlikely(ret && (long)ret > 0)) - memset(to + (n - ret), 0, ret); - - return ret; -@@ -252,9 +252,9 @@ copy_from_user(void *to, const void __user *from, unsigned long n) - static __always_inline unsigned long __must_check - copy_to_user(void __user *to, const void *from, unsigned long n) - { -- int sz = __compiletime_object_size(from); -+ size_t sz = __compiletime_object_size(to); - -- if (likely(sz < 0 || sz >= n)) { -+ if (likely(sz == (size_t)-1 || sz >= n)) { - check_object_size(from, n, true); - n = __copy_to_user(to, from, n); - } else if (!__builtin_constant_p(n)) -diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c -index a0ecdb4a..71d2069 100644 ---- a/arch/parisc/kernel/module.c -+++ b/arch/parisc/kernel/module.c -@@ -100,14 +100,12 @@ - * or init pieces the location is */ - static inline int in_init(struct module *me, void *loc) - { -- return (loc >= me->init_layout.base && -- loc <= (me->init_layout.base + me->init_layout.size)); -+ within_module_init((unsigned long)loc, me); - } - - static inline int in_core(struct module *me, void *loc) - { -- return (loc >= me->core_layout.base && -- loc <= (me->core_layout.base + me->core_layout.size)); -+ within_module_core((unsigned long)loc, me); - } - - static inline int in_local(struct module *me, void *loc) -@@ -367,13 +365,13 @@ int module_frob_arch_sections(CONST Elf_Ehdr *hdr, - } - - /* align things a bit */ -- me->core_layout.size = ALIGN(me->core_layout.size, 16); -- me->arch.got_offset = me->core_layout.size; -- me->core_layout.size += gots * sizeof(struct got_entry); -+ me->core_layout.size_rw = ALIGN(me->core_layout.size_rw, 16); -+ me->arch.got_offset = me->core_layout.size_rw; -+ me->core_layout.size_rw += gots * sizeof(struct got_entry); - -- me->core_layout.size = ALIGN(me->core_layout.size, 16); -- me->arch.fdesc_offset = me->core_layout.size; -- me->core_layout.size += fdescs * sizeof(Elf_Fdesc); -+ me->core_layout.size_rw = ALIGN(me->core_layout.size_rw, 16); -+ me->arch.fdesc_offset = me->core_layout.size_rw; -+ me->core_layout.size_rw += fdescs * sizeof(Elf_Fdesc); - - me->arch.got_max = gots; - me->arch.fdesc_max = fdescs; -@@ -391,7 +389,7 @@ static Elf64_Word get_got(struct module *me, unsigned long value, long addend) - - BUG_ON(value == 0); - -- got = me->core_layout.base + me->arch.got_offset; -+ got = me->core_layout.base_rw + me->arch.got_offset; - for (i = 0; got[i].addr; i++) - if (got[i].addr == value) - goto out; -@@ -409,7 +407,7 @@ static Elf64_Word get_got(struct module *me, unsigned long value, long addend) - #ifdef CONFIG_64BIT - static Elf_Addr get_fdesc(struct module *me, unsigned long value) - { -- Elf_Fdesc *fdesc = me->core_layout.base + me->arch.fdesc_offset; -+ Elf_Fdesc *fdesc = me->core_layout.base_rw + me->arch.fdesc_offset; - - if (!value) { - printk(KERN_ERR "%s: zero OPD requested!\n", me->name); -@@ -427,7 +425,7 @@ static Elf_Addr get_fdesc(struct module *me, unsigned long value) - - /* Create new one */ - fdesc->addr = value; -- fdesc->gp = (Elf_Addr)me->core_layout.base + me->arch.got_offset; -+ fdesc->gp = (Elf_Addr)me->core_layout.base_rw + me->arch.got_offset; - return (Elf_Addr)fdesc; - } - #endif /* CONFIG_64BIT */ -@@ -847,7 +845,7 @@ register_unwind_table(struct module *me, - - table = (unsigned char *)sechdrs[me->arch.unwind_section].sh_addr; - end = table + sechdrs[me->arch.unwind_section].sh_size; -- gp = (Elf_Addr)me->core_layout.base + me->arch.got_offset; -+ gp = (Elf_Addr)me->core_layout.base_rw + me->arch.got_offset; - - DEBUGP("register_unwind_table(), sect = %d at 0x%p - 0x%p (gp=0x%lx)\n", - me->arch.unwind_section, table, end, gp); -diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c -index 0a393a0..5b3199e0 100644 ---- a/arch/parisc/kernel/sys_parisc.c -+++ b/arch/parisc/kernel/sys_parisc.c -@@ -92,6 +92,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - unsigned long task_size = TASK_SIZE; - int do_color_align, last_mmap; - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(current->mm, filp, flags); - - if (len > task_size) - return -ENOMEM; -@@ -109,6 +110,10 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - goto found_addr; - } - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_color_align && last_mmap) - addr = COLOR_ALIGN(addr, last_mmap, pgoff); -@@ -127,6 +132,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - info.high_limit = mmap_upper_limit(); - info.align_mask = last_mmap ? (PAGE_MASK & (SHM_COLOUR - 1)) : 0; - info.align_offset = shared_align_offset(last_mmap, pgoff); -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - found_addr: -@@ -146,6 +152,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - unsigned long addr = addr0; - int do_color_align, last_mmap; - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(current->mm, filp, flags); - - #ifdef CONFIG_64BIT - /* This should only ever run for 32-bit processes. */ -@@ -170,6 +177,10 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - } - - /* requesting a specific address */ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_color_align && last_mmap) - addr = COLOR_ALIGN(addr, last_mmap, pgoff); -@@ -187,6 +198,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - info.high_limit = mm->mmap_base; - info.align_mask = last_mmap ? (PAGE_MASK & (SHM_COLOUR - 1)) : 0; - info.align_offset = shared_align_offset(last_mmap, pgoff); -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - if (!(addr & ~PAGE_MASK)) - goto found_addr; -@@ -252,6 +264,13 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - mm->mmap_legacy_base = mmap_legacy_base(); - mm->mmap_base = mmap_upper_limit(); - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) { -+ mm->mmap_legacy_base += mm->delta_mmap; -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+ } -+#endif -+ - if (mmap_is_legacy()) { - mm->mmap_base = mm->mmap_legacy_base; - mm->get_unmapped_area = arch_get_unmapped_area; -diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c -index 378df92..9b2ab51 100644 ---- a/arch/parisc/kernel/traps.c -+++ b/arch/parisc/kernel/traps.c -@@ -719,9 +719,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs) - - down_read(¤t->mm->mmap_sem); - vma = find_vma(current->mm,regs->iaoq[0]); -- if (vma && (regs->iaoq[0] >= vma->vm_start) -- && (vma->vm_flags & VM_EXEC)) { -- -+ if (vma && (regs->iaoq[0] >= vma->vm_start)) { - fault_address = regs->iaoq[0]; - fault_space = regs->iasq[0]; - -diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c -index 040c48f..d133dce 100644 ---- a/arch/parisc/mm/fault.c -+++ b/arch/parisc/mm/fault.c -@@ -16,6 +16,7 @@ - #include - #include - #include -+#include - - #include - -@@ -50,7 +51,7 @@ int show_unhandled_signals = 1; - static unsigned long - parisc_acctyp(unsigned long code, unsigned int inst) - { -- if (code == 6 || code == 16) -+ if (code == 6 || code == 7 || code == 16) - return VM_EXEC; - - switch (inst & 0xf0000000) { -@@ -136,6 +137,116 @@ parisc_acctyp(unsigned long code, unsigned int inst) - } - #endif - -+#ifdef CONFIG_PAX_PAGEEXEC -+/* -+ * PaX: decide what to do with offenders (instruction_pointer(regs) = fault address) -+ * -+ * returns 1 when task should be killed -+ * 2 when rt_sigreturn trampoline was detected -+ * 3 when unpatched PLT trampoline was detected -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ -+#ifdef CONFIG_PAX_EMUPLT -+ int err; -+ -+ do { /* PaX: unpatched PLT emulation */ -+ unsigned int bl, depwi; -+ -+ err = get_user(bl, (unsigned int *)instruction_pointer(regs)); -+ err |= get_user(depwi, (unsigned int *)(instruction_pointer(regs)+4)); -+ -+ if (err) -+ break; -+ -+ if (bl == 0xEA9F1FDDU && depwi == 0xD6801C1EU) { -+ unsigned int ldw, bv, ldw2, addr = instruction_pointer(regs)-12; -+ -+ err = get_user(ldw, (unsigned int *)addr); -+ err |= get_user(bv, (unsigned int *)(addr+4)); -+ err |= get_user(ldw2, (unsigned int *)(addr+8)); -+ -+ if (err) -+ break; -+ -+ if (ldw == 0x0E801096U && -+ bv == 0xEAC0C000U && -+ ldw2 == 0x0E881095U) -+ { -+ unsigned int resolver, map; -+ -+ err = get_user(resolver, (unsigned int *)(instruction_pointer(regs)+8)); -+ err |= get_user(map, (unsigned int *)(instruction_pointer(regs)+12)); -+ if (err) -+ break; -+ -+ regs->gr[20] = instruction_pointer(regs)+8; -+ regs->gr[21] = map; -+ regs->gr[22] = resolver; -+ regs->iaoq[0] = resolver | 3UL; -+ regs->iaoq[1] = regs->iaoq[0] + 4; -+ return 3; -+ } -+ } -+ } while (0); -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ -+#ifndef CONFIG_PAX_EMUSIGRT -+ if (!(current->mm->pax_flags & MF_PAX_EMUTRAMP)) -+ return 1; -+#endif -+ -+ do { /* PaX: rt_sigreturn emulation */ -+ unsigned int ldi1, ldi2, bel, nop; -+ -+ err = get_user(ldi1, (unsigned int *)instruction_pointer(regs)); -+ err |= get_user(ldi2, (unsigned int *)(instruction_pointer(regs)+4)); -+ err |= get_user(bel, (unsigned int *)(instruction_pointer(regs)+8)); -+ err |= get_user(nop, (unsigned int *)(instruction_pointer(regs)+12)); -+ -+ if (err) -+ break; -+ -+ if ((ldi1 == 0x34190000U || ldi1 == 0x34190002U) && -+ ldi2 == 0x3414015AU && -+ bel == 0xE4008200U && -+ nop == 0x08000240U) -+ { -+ regs->gr[25] = (ldi1 & 2) >> 1; -+ regs->gr[20] = __NR_rt_sigreturn; -+ regs->gr[31] = regs->iaoq[1] + 16; -+ regs->sr[0] = regs->iasq[1]; -+ regs->iaoq[0] = 0x100UL; -+ regs->iaoq[1] = regs->iaoq[0] + 4; -+ regs->iasq[0] = regs->sr[2]; -+ regs->iasq[1] = regs->sr[2]; -+ return 2; -+ } -+ } while (0); -+#endif -+ -+ return 1; -+} -+ -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 5; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - int fixup_exception(struct pt_regs *regs) - { - const struct exception_table_entry *fix; -@@ -298,8 +409,33 @@ void do_page_fault(struct pt_regs *regs, unsigned long code, - - good_area: - -- if ((vma->vm_flags & acc_type) != acc_type) -+ if ((vma->vm_flags & acc_type) != acc_type) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && (acc_type & VM_EXEC) && -+ (address & ~3UL) == instruction_pointer(regs)) -+ { -+ up_read(&mm->mmap_sem); -+ switch (pax_handle_fetch_fault(regs)) { -+ -+#ifdef CONFIG_PAX_EMUPLT -+ case 3: -+ return; -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ case 2: -+ return; -+#endif -+ -+ } -+ pax_report_fault(regs, (void *)instruction_pointer(regs), (void *)regs->gr[30]); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - goto bad_area; -+ } - - /* - * If for any reason at all we couldn't handle the fault, make -diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig -index 65fba4c..3cfec12 100644 ---- a/arch/powerpc/Kconfig -+++ b/arch/powerpc/Kconfig -@@ -140,6 +140,7 @@ config PPC - select ARCH_USE_BUILTIN_BSWAP - select OLD_SIGSUSPEND - select OLD_SIGACTION if PPC32 -+ select HAVE_GCC_PLUGINS - select HAVE_DEBUG_STACKOVERFLOW - select HAVE_IRQ_EXIT_ON_IRQ_STACK - select ARCH_USE_CMPXCHG_LOCKREF if PPC64 -@@ -441,6 +442,7 @@ config KEXEC - bool "kexec system call" - depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP)) || PPC_BOOK3E - select KEXEC_CORE -+ depends on !GRKERNSEC_KMEM - help - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot -diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h -index 2b90335..5e1a3d6 100644 ---- a/arch/powerpc/include/asm/atomic.h -+++ b/arch/powerpc/include/asm/atomic.h -@@ -12,6 +12,11 @@ - - #define ATOMIC_INIT(i) { (i) } - -+#define _ASM_EXTABLE(from, to) \ -+" .section __ex_table,\"a\"\n" \ -+ PPC_LONG" " #from ", " #to"\n" \ -+" .previous\n" -+ - /* - * Since *_return_relaxed and {cmp}xchg_relaxed are implemented with - * a "bne-" instruction at the end, so an isync is enough as a acquire barrier -@@ -39,38 +44,79 @@ static __inline__ int atomic_read(const atomic_t *v) - return t; - } - -+static __inline__ int atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ int t; -+ -+ __asm__ __volatile__("lwz%U1%X1 %0,%1" : "=r"(t) : "m"(v->counter)); -+ -+ return t; -+} -+ - static __inline__ void atomic_set(atomic_t *v, int i) - { - __asm__ __volatile__("stw%U0%X0 %1,%0" : "=m"(v->counter) : "r"(i)); - } - --#define ATOMIC_OP(op, asm_op) \ --static __inline__ void atomic_##op(int a, atomic_t *v) \ -+static __inline__ void atomic_set_unchecked(atomic_unchecked_t *v, int i) -+{ -+ __asm__ __volatile__("stw%U0%X0 %1,%0" : "=m"(v->counter) : "r"(i)); -+} -+ -+#ifdef CONFIG_PAX_REFCOUNT -+#define __REFCOUNT_OP(op) op##o. -+#define __OVERFLOW_PRE \ -+ " mcrxr cr0\n" -+#define __OVERFLOW_POST \ -+ " bf 4*cr0+so, 3f\n" \ -+ "2: .long 0x00c00b00\n" \ -+ "3:\n" -+#define __OVERFLOW_EXTABLE \ -+ "\n4:\n" \ -+ _ASM_EXTABLE(2b, 4b) -+#else -+#define __REFCOUNT_OP(op) op -+#define __OVERFLOW_PRE -+#define __OVERFLOW_POST -+#define __OVERFLOW_EXTABLE -+#endif -+ -+#define __ATOMIC_OP(op, suffix, pre_op, asm_op, post_op, extable) \ -+static inline void atomic_##op##suffix(int a, atomic##suffix##_t *v) \ - { \ - int t; \ - \ - __asm__ __volatile__( \ --"1: lwarx %0,0,%3 # atomic_" #op "\n" \ -+"1: lwarx %0,0,%3 # atomic_" #op #suffix "\n" \ -+ pre_op \ - #asm_op " %0,%2,%0\n" \ -+ post_op \ - PPC405_ERR77(0,%3) \ - " stwcx. %0,0,%3 \n" \ - " bne- 1b\n" \ -+ extable \ - : "=&r" (t), "+m" (v->counter) \ - : "r" (a), "r" (&v->counter) \ - : "cc"); \ - } \ - --#define ATOMIC_OP_RETURN_RELAXED(op, asm_op) \ --static inline int atomic_##op##_return_relaxed(int a, atomic_t *v) \ -+#define ATOMIC_OP(op, asm_op) __ATOMIC_OP(op, , , asm_op, , ) \ -+ __ATOMIC_OP(op, _unchecked, __OVERFLOW_PRE, __REFCOUNT_OP(asm_op), __OVERFLOW_POST, __OVERFLOW_EXTABLE) -+ -+#define __ATOMIC_OP_RETURN(op, suffix, pre_op, asm_op, post_op, extable)\ -+static inline int atomic_##op##_return##suffix##_relaxed(int a, atomic##suffix##_t *v)\ - { \ - int t; \ - \ - __asm__ __volatile__( \ --"1: lwarx %0,0,%3 # atomic_" #op "_return_relaxed\n" \ -+"1: lwarx %0,0,%2 # atomic_" #op "_return" #suffix "_relaxed\n"\ -+ pre_op \ - #asm_op " %0,%2,%0\n" \ -+ post_op \ - PPC405_ERR77(0, %3) \ - " stwcx. %0,0,%3\n" \ - " bne- 1b\n" \ -+ extable \ - : "=&r" (t), "+m" (v->counter) \ - : "r" (a), "r" (&v->counter) \ - : "cc"); \ -@@ -78,6 +124,9 @@ static inline int atomic_##op##_return_relaxed(int a, atomic_t *v) \ - return t; \ - } - -+#define ATOMIC_OP_RETURN_RELAXED(op, asm_op) __ATOMIC_OP_RETURN(op, , , asm_op, , )\ -+ __ATOMIC_OP_RETURN(op, _unchecked, __OVERFLOW_PRE, __REFCOUNT_OP(asm_op), __OVERFLOW_POST, __OVERFLOW_EXTABLE) -+ - #define ATOMIC_FETCH_OP_RELAXED(op, asm_op) \ - static inline int atomic_fetch_##op##_relaxed(int a, atomic_t *v) \ - { \ -@@ -105,6 +154,7 @@ ATOMIC_OPS(add, add) - ATOMIC_OPS(sub, subf) - - #define atomic_add_return_relaxed atomic_add_return_relaxed -+#define atomic_add_return_unchecked_relaxed atomic_add_return_unchecked_relaxed - #define atomic_sub_return_relaxed atomic_sub_return_relaxed - - #define atomic_fetch_add_relaxed atomic_fetch_add_relaxed -@@ -126,41 +176,22 @@ ATOMIC_OPS(xor, xor) - #undef ATOMIC_OPS - #undef ATOMIC_FETCH_OP_RELAXED - #undef ATOMIC_OP_RETURN_RELAXED -+#undef __ATOMIC_OP_RETURN - #undef ATOMIC_OP -+#undef __ATOMIC_OP - - #define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0) - --static __inline__ void atomic_inc(atomic_t *v) --{ -- int t; -- -- __asm__ __volatile__( --"1: lwarx %0,0,%2 # atomic_inc\n\ -- addic %0,%0,1\n" -- PPC405_ERR77(0,%2) --" stwcx. %0,0,%2 \n\ -- bne- 1b" -- : "=&r" (t), "+m" (v->counter) -- : "r" (&v->counter) -- : "cc", "xer"); --} -- --static __inline__ int atomic_inc_return_relaxed(atomic_t *v) --{ -- int t; -- -- __asm__ __volatile__( --"1: lwarx %0,0,%2 # atomic_inc_return_relaxed\n" --" addic %0,%0,1\n" -- PPC405_ERR77(0, %2) --" stwcx. %0,0,%2\n" --" bne- 1b" -- : "=&r" (t), "+m" (v->counter) -- : "r" (&v->counter) -- : "cc", "xer"); -- -- return t; --} -+/* -+ * atomic_inc - increment atomic variable -+ * @v: pointer of type atomic_t -+ * -+ * Automatically increments @v by 1 -+ */ -+#define atomic_inc(v) atomic_add(1, (v)) -+#define atomic_inc_unchecked(v) atomic_add_unchecked(1, (v)) -+#define atomic_inc_return_relaxed(v) atomic_add_return_relaxed(1, (v)) -+#define atomic_inc_return_unchecked_relaxed(v) atomic_add_return_unchecked_relaxed(1, (v)) - - /* - * atomic_inc_and_test - increment and test -@@ -171,37 +202,20 @@ static __inline__ int atomic_inc_return_relaxed(atomic_t *v) - * other cases. - */ - #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) -- --static __inline__ void atomic_dec(atomic_t *v) --{ -- int t; -- -- __asm__ __volatile__( --"1: lwarx %0,0,%2 # atomic_dec\n\ -- addic %0,%0,-1\n" -- PPC405_ERR77(0,%2)\ --" stwcx. %0,0,%2\n\ -- bne- 1b" -- : "=&r" (t), "+m" (v->counter) -- : "r" (&v->counter) -- : "cc", "xer"); --} -- --static __inline__ int atomic_dec_return_relaxed(atomic_t *v) -+#define atomic_inc_and_test_unchecked(v) (atomic_inc_return_unchecked(v) == 0) -+ -+/* -+ * atomic_dec - decrement atomic variable -+ * @v: pointer of type atomic_t -+ * -+ * Atomically decrements @v by 1 -+ */ -+#define atomic_dec(v) atomic_sub(1, (v)) -+#define atomic_dec_return_relaxed(v) atomic_sub_return_relaxed(1, (v)) -+ -+static __inline__ void atomic_dec_unchecked(atomic_unchecked_t *v) - { -- int t; -- -- __asm__ __volatile__( --"1: lwarx %0,0,%2 # atomic_dec_return_relaxed\n" --" addic %0,%0,-1\n" -- PPC405_ERR77(0, %2) --" stwcx. %0,0,%2\n" --" bne- 1b" -- : "=&r" (t), "+m" (v->counter) -- : "r" (&v->counter) -- : "cc", "xer"); -- -- return t; -+ atomic_sub_unchecked(1, v); - } - - #define atomic_inc_return_relaxed atomic_inc_return_relaxed -@@ -216,6 +230,16 @@ static __inline__ int atomic_dec_return_relaxed(atomic_t *v) - #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) - #define atomic_xchg_relaxed(v, new) xchg_relaxed(&((v)->counter), (new)) - -+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new) -+{ -+ return cmpxchg(&(v->counter), old, new); -+} -+ -+static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new) -+{ -+ return xchg(&(v->counter), new); -+} -+ - /** - * __atomic_add_unless - add unless the number is a given value - * @v: pointer of type atomic_t -@@ -233,14 +257,21 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - PPC_ATOMIC_ENTRY_BARRIER - "1: lwarx %0,0,%1 # __atomic_add_unless\n\ - cmpw 0,%0,%3 \n\ -- beq 2f \n\ -- add %0,%2,%0 \n" -+ beq 5f \n" -+ -+ __OVERFLOW_PRE -+ __REFCOUNT_OP(add) " %0,%2,%0 \n" -+ __OVERFLOW_POST -+ - PPC405_ERR77(0,%2) - " stwcx. %0,0,%1 \n\ - bne- 1b \n" -+ -+ __OVERFLOW_EXTABLE -+ - PPC_ATOMIC_EXIT_BARRIER - " subf %0,%2,%0 \n\ --2:" -+5:" - : "=&r" (t) - : "r" (&v->counter), "r" (a), "r" (u) - : "cc", "memory"); -@@ -323,37 +354,59 @@ static __inline__ long atomic64_read(const atomic64_t *v) - return t; - } - -+static __inline__ long atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ long t; -+ -+ __asm__ __volatile__("ld%U1%X1 %0,%1" : "=r"(t) : "m"(v->counter)); -+ -+ return t; -+} -+ - static __inline__ void atomic64_set(atomic64_t *v, long i) - { - __asm__ __volatile__("std%U0%X0 %1,%0" : "=m"(v->counter) : "r"(i)); - } - --#define ATOMIC64_OP(op, asm_op) \ --static __inline__ void atomic64_##op(long a, atomic64_t *v) \ -+static __inline__ void atomic64_set_unchecked(atomic64_unchecked_t *v, long i) -+{ -+ __asm__ __volatile__("std%U0%X0 %1,%0" : "=m"(v->counter) : "r"(i)); -+} -+ -+#define __ATOMIC64_OP(op, suffix, pre_op, asm_op, post_op, extable) \ -+static inline void atomic64_##op##suffix(long a, atomic64##suffix##_t *v)\ - { \ - long t; \ - \ - __asm__ __volatile__( \ - "1: ldarx %0,0,%3 # atomic64_" #op "\n" \ -+ pre_op \ - #asm_op " %0,%2,%0\n" \ -+ post_op \ - " stdcx. %0,0,%3 \n" \ - " bne- 1b\n" \ -+ extable \ - : "=&r" (t), "+m" (v->counter) \ - : "r" (a), "r" (&v->counter) \ - : "cc"); \ - } - --#define ATOMIC64_OP_RETURN_RELAXED(op, asm_op) \ --static inline long \ --atomic64_##op##_return_relaxed(long a, atomic64_t *v) \ -+#define ATOMIC64_OP(op, asm_op) __ATOMIC64_OP(op, , , asm_op, , ) \ -+ __ATOMIC64_OP(op, _unchecked, __OVERFLOW_PRE, __REFCOUNT_OP(asm_op), __OVERFLOW_POST, __OVERFLOW_EXTABLE) -+ -+#define __ATOMIC64_OP_RETURN(op, suffix, pre_op, asm_op, post_op, extable)\ -+static inline long atomic64_##op##_return##suffix##_relaxed(long a, atomic64##suffix##_t *v)\ - { \ - long t; \ - \ - __asm__ __volatile__( \ - "1: ldarx %0,0,%3 # atomic64_" #op "_return_relaxed\n" \ -+ pre_op \ - #asm_op " %0,%2,%0\n" \ -+ post_op \ - " stdcx. %0,0,%3\n" \ - " bne- 1b\n" \ -+ extable \ - : "=&r" (t), "+m" (v->counter) \ - : "r" (a), "r" (&v->counter) \ - : "cc"); \ -@@ -361,6 +414,9 @@ atomic64_##op##_return_relaxed(long a, atomic64_t *v) \ - return t; \ - } - -+#define ATOMIC64_OP_RETURN_RELAXED(op, asm_op) __ATOMIC64_OP_RETURN(op, , , asm_op, , )\ -+ __ATOMIC64_OP_RETURN(op, _unchecked, __OVERFLOW_PRE, __REFCOUNT_OP(asm_op), __OVERFLOW_POST, __OVERFLOW_EXTABLE) -+ - #define ATOMIC64_FETCH_OP_RELAXED(op, asm_op) \ - static inline long \ - atomic64_fetch_##op##_relaxed(long a, atomic64_t *v) \ -@@ -409,38 +465,33 @@ ATOMIC64_OPS(xor, xor) - #undef ATOPIC64_OPS - #undef ATOMIC64_FETCH_OP_RELAXED - #undef ATOMIC64_OP_RETURN_RELAXED -+#undef __ATOMIC64_OP_RETURN - #undef ATOMIC64_OP -+#undef __ATOMIC64_OP -+#undef __OVERFLOW_EXTABLE -+#undef __OVERFLOW_POST -+#undef __OVERFLOW_PRE -+#undef __REFCOUNT_OP - - #define atomic64_add_negative(a, v) (atomic64_add_return((a), (v)) < 0) - --static __inline__ void atomic64_inc(atomic64_t *v) --{ -- long t; -+/* -+ * atomic64_inc - increment atomic variable -+ * @v: pointer of type atomic64_t -+ * -+ * Automatically increments @v by 1 -+ */ -+#define atomic64_inc(v) atomic64_add(1, (v)) -+#define atomic64_inc_return_relaxed(v) atomic64_add_return_relaxed(1, (v)) - -- __asm__ __volatile__( --"1: ldarx %0,0,%2 # atomic64_inc\n\ -- addic %0,%0,1\n\ -- stdcx. %0,0,%2 \n\ -- bne- 1b" -- : "=&r" (t), "+m" (v->counter) -- : "r" (&v->counter) -- : "cc", "xer"); -+static inline void atomic64_inc_unchecked(atomic64_unchecked_t *v) -+{ -+ atomic64_add_unchecked(1, v); - } - --static __inline__ long atomic64_inc_return_relaxed(atomic64_t *v) -+static inline long atomic64_inc_return_unchecked_relaxed(atomic64_unchecked_t *v) - { -- long t; -- -- __asm__ __volatile__( --"1: ldarx %0,0,%2 # atomic64_inc_return_relaxed\n" --" addic %0,%0,1\n" --" stdcx. %0,0,%2\n" --" bne- 1b" -- : "=&r" (t), "+m" (v->counter) -- : "r" (&v->counter) -- : "cc", "xer"); -- -- return t; -+ return atomic64_add_return_unchecked_relaxed(1, v); - } - - /* -@@ -453,34 +504,18 @@ static __inline__ long atomic64_inc_return_relaxed(atomic64_t *v) - */ - #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0) - --static __inline__ void atomic64_dec(atomic64_t *v) -+/* -+ * atomic64_dec - decrement atomic variable -+ * @v: pointer of type atomic64_t -+ * -+ * Atomically decrements @v by 1 -+ */ -+#define atomic64_dec(v) atomic64_sub(1, (v)) -+#define atomic64_dec_return_relaxed(v) atomic64_sub_return_relaxed(1, (v)) -+ -+static __inline__ void atomic64_dec_unchecked(atomic64_unchecked_t *v) - { -- long t; -- -- __asm__ __volatile__( --"1: ldarx %0,0,%2 # atomic64_dec\n\ -- addic %0,%0,-1\n\ -- stdcx. %0,0,%2\n\ -- bne- 1b" -- : "=&r" (t), "+m" (v->counter) -- : "r" (&v->counter) -- : "cc", "xer"); --} -- --static __inline__ long atomic64_dec_return_relaxed(atomic64_t *v) --{ -- long t; -- -- __asm__ __volatile__( --"1: ldarx %0,0,%2 # atomic64_dec_return_relaxed\n" --" addic %0,%0,-1\n" --" stdcx. %0,0,%2\n" --" bne- 1b" -- : "=&r" (t), "+m" (v->counter) -- : "r" (&v->counter) -- : "cc", "xer"); -- -- return t; -+ atomic64_sub_unchecked(1, v); - } - - #define atomic64_inc_return_relaxed atomic64_inc_return_relaxed -@@ -522,6 +557,16 @@ static __inline__ long atomic64_dec_if_positive(atomic64_t *v) - #define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) - #define atomic64_xchg_relaxed(v, new) xchg_relaxed(&((v)->counter), (new)) - -+static inline long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long old, long new) -+{ -+ return cmpxchg(&(v->counter), old, new); -+} -+ -+static inline long atomic64_xchg_unchecked(atomic64_unchecked_t *v, long new) -+{ -+ return xchg(&(v->counter), new); -+} -+ - /** - * atomic64_add_unless - add unless the number is a given value - * @v: pointer of type atomic64_t -@@ -537,15 +582,22 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) - - __asm__ __volatile__ ( - PPC_ATOMIC_ENTRY_BARRIER --"1: ldarx %0,0,%1 # __atomic_add_unless\n\ -+"1: ldarx %0,0,%1 # atomic64_add_unless\n\ - cmpd 0,%0,%3 \n\ -- beq 2f \n\ -- add %0,%2,%0 \n" -+ beq 5f \n" -+ -+ __OVERFLOW_PRE -+ __REFCOUNT_OP(add) " %0,%2,%0 \n" -+ __OVERFLOW_POST -+ - " stdcx. %0,0,%1 \n\ - bne- 1b \n" - PPC_ATOMIC_EXIT_BARRIER -+ -+ __OVERFLOW_EXTABLE -+ - " subf %0,%2,%0 \n\ --2:" -+5:" - : "=&r" (t) - : "r" (&v->counter), "r" (a), "r" (u) - : "cc", "memory"); -diff --git a/arch/powerpc/include/asm/book3s/32/hash.h b/arch/powerpc/include/asm/book3s/32/hash.h -index 880db13..bb4ed4a 100644 ---- a/arch/powerpc/include/asm/book3s/32/hash.h -+++ b/arch/powerpc/include/asm/book3s/32/hash.h -@@ -20,6 +20,7 @@ - #define _PAGE_HASHPTE 0x002 /* hash_page has made an HPTE for this pte */ - #define _PAGE_USER 0x004 /* usermode access allowed */ - #define _PAGE_GUARDED 0x008 /* G: prohibit speculative access */ -+#define _PAGE_NX _PAGE_GUARDED - #define _PAGE_COHERENT 0x010 /* M: enforce memory coherence (SMP systems) */ - #define _PAGE_NO_CACHE 0x020 /* I: cache inhibit */ - #define _PAGE_WRITETHRU 0x040 /* W: cache write-through */ -diff --git a/arch/powerpc/include/asm/book3s/32/pgtable.h b/arch/powerpc/include/asm/book3s/32/pgtable.h -index 6b8b2d5..cf17a29 100644 ---- a/arch/powerpc/include/asm/book3s/32/pgtable.h -+++ b/arch/powerpc/include/asm/book3s/32/pgtable.h -@@ -227,7 +227,7 @@ static inline void __ptep_set_access_flags(struct mm_struct *mm, - pte_t *ptep, pte_t entry) - { - unsigned long set = pte_val(entry) & -- (_PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_RW | _PAGE_EXEC); -+ (_PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_RW | _PAGE_EXEC | _PAGE_NX); - unsigned long clr = ~pte_val(entry) & _PAGE_RO; - - pte_update(ptep, clr, set); -diff --git a/arch/powerpc/include/asm/book3s/64/pgalloc.h b/arch/powerpc/include/asm/book3s/64/pgalloc.h -index cd5e7aa..7709061 100644 ---- a/arch/powerpc/include/asm/book3s/64/pgalloc.h -+++ b/arch/powerpc/include/asm/book3s/64/pgalloc.h -@@ -91,6 +91,11 @@ static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pud_t *pud) - pgd_set(pgd, __pgtable_ptr_val(pud) | PGD_VAL_BITS); - } - -+static inline void pgd_populate_kernel(struct mm_struct *mm, pgd_t *pgd, pud_t *pud) -+{ -+ pgd_populate(mm, pgd, pud); -+} -+ - static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) - { - return kmem_cache_alloc(PGT_CACHE(PUD_INDEX_SIZE), GFP_KERNEL); -@@ -106,6 +111,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) - pud_set(pud, __pgtable_ptr_val(pmd) | PUD_VAL_BITS); - } - -+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) -+{ -+ pud_populate_kernel(mm, pud, pmd); -+} -+ - static inline void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud, - unsigned long address) - { -diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h -index ffbafbf..71d037fb 100644 ---- a/arch/powerpc/include/asm/cache.h -+++ b/arch/powerpc/include/asm/cache.h -@@ -3,6 +3,8 @@ - - #ifdef __KERNEL__ - -+#include -+#include - - /* bytes per L1 cache line */ - #if defined(CONFIG_8xx) || defined(CONFIG_403GCX) -@@ -22,7 +24,7 @@ - #define L1_CACHE_SHIFT 7 - #endif - --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define SMP_CACHE_BYTES L1_CACHE_BYTES - -diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h -index ee46ffe..b36c98c 100644 ---- a/arch/powerpc/include/asm/elf.h -+++ b/arch/powerpc/include/asm/elf.h -@@ -30,6 +30,18 @@ - - #define ELF_ET_DYN_BASE 0x20000000 - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (0x10000000UL) -+ -+#ifdef __powerpc64__ -+#define PAX_DELTA_MMAP_LEN (is_32bit_task() ? 16 : 28) -+#define PAX_DELTA_STACK_LEN (is_32bit_task() ? 16 : 28) -+#else -+#define PAX_DELTA_MMAP_LEN 15 -+#define PAX_DELTA_STACK_LEN 15 -+#endif -+#endif -+ - #define ELF_CORE_EFLAGS (is_elf2_task() ? 2 : 0) - - /* -diff --git a/arch/powerpc/include/asm/exec.h b/arch/powerpc/include/asm/exec.h -index 8196e9c..d83a9f3 100644 ---- a/arch/powerpc/include/asm/exec.h -+++ b/arch/powerpc/include/asm/exec.h -@@ -4,6 +4,6 @@ - #ifndef _ASM_POWERPC_EXEC_H - #define _ASM_POWERPC_EXEC_H - --extern unsigned long arch_align_stack(unsigned long sp); -+#define arch_align_stack(x) ((x) & ~0xfUL) - - #endif /* _ASM_POWERPC_EXEC_H */ -diff --git a/arch/powerpc/include/asm/kmap_types.h b/arch/powerpc/include/asm/kmap_types.h -index 5acabbd..7ea14fa 100644 ---- a/arch/powerpc/include/asm/kmap_types.h -+++ b/arch/powerpc/include/asm/kmap_types.h -@@ -10,7 +10,7 @@ - * 2 of the License, or (at your option) any later version. - */ - --#define KM_TYPE_NR 16 -+#define KM_TYPE_NR 17 - - #endif /* __KERNEL__ */ - #endif /* _ASM_POWERPC_KMAP_TYPES_H */ -diff --git a/arch/powerpc/include/asm/local.h b/arch/powerpc/include/asm/local.h -index b8da913..c02b593 100644 ---- a/arch/powerpc/include/asm/local.h -+++ b/arch/powerpc/include/asm/local.h -@@ -9,21 +9,65 @@ typedef struct - atomic_long_t a; - } local_t; - -+typedef struct -+{ -+ atomic_long_unchecked_t a; -+} local_unchecked_t; -+ - #define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) } - - #define local_read(l) atomic_long_read(&(l)->a) -+#define local_read_unchecked(l) atomic_long_read_unchecked(&(l)->a) - #define local_set(l,i) atomic_long_set(&(l)->a, (i)) -+#define local_set_unchecked(l,i) atomic_long_set_unchecked(&(l)->a, (i)) - - #define local_add(i,l) atomic_long_add((i),(&(l)->a)) -+#define local_add_unchecked(i,l) atomic_long_add_unchecked((i),(&(l)->a)) - #define local_sub(i,l) atomic_long_sub((i),(&(l)->a)) -+#define local_sub_unchecked(i,l) atomic_long_sub_unchecked((i),(&(l)->a)) - #define local_inc(l) atomic_long_inc(&(l)->a) -+#define local_inc_unchecked(l) atomic_long_inc_unchecked(&(l)->a) - #define local_dec(l) atomic_long_dec(&(l)->a) -+#define local_dec_unchecked(l) atomic_long_dec_unchecked(&(l)->a) - - static __inline__ long local_add_return(long a, local_t *l) - { - long t; - - __asm__ __volatile__( -+"1:" PPC_LLARX(%0,0,%2,0) " # local_add_return\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" mcrxr cr0\n" -+" addo. %0,%1,%0\n" -+" bf 4*cr0+so, 3f\n" -+"2:.long " "0x00c00b00""\n" -+#else -+" add %0,%1,%0\n" -+#endif -+ -+"3:\n" -+ PPC405_ERR77(0,%2) -+ PPC_STLCX "%0,0,%2 \n\ -+ bne- 1b" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+"\n4:\n" -+ _ASM_EXTABLE(2b, 4b) -+#endif -+ -+ : "=&r" (t) -+ : "r" (a), "r" (&(l->a.counter)) -+ : "cc", "memory"); -+ -+ return t; -+} -+ -+static __inline__ long local_add_return_unchecked(long a, local_unchecked_t *l) -+{ -+ long t; -+ -+ __asm__ __volatile__( - "1:" PPC_LLARX(%0,0,%2,0) " # local_add_return\n\ - add %0,%1,%0\n" - PPC405_ERR77(0,%2) -@@ -101,6 +145,8 @@ static __inline__ long local_dec_return(local_t *l) - - #define local_cmpxchg(l, o, n) \ - (cmpxchg_local(&((l)->a.counter), (o), (n))) -+#define local_cmpxchg_unchecked(l, o, n) \ -+ (cmpxchg_local(&((l)->a.counter), (o), (n))) - #define local_xchg(l, n) (xchg_local(&((l)->a.counter), (n))) - - /** -diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h -index 30922f6..0bb237c 100644 ---- a/arch/powerpc/include/asm/mman.h -+++ b/arch/powerpc/include/asm/mman.h -@@ -26,7 +26,7 @@ static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot, - } - #define arch_calc_vm_prot_bits(prot, pkey) arch_calc_vm_prot_bits(prot, pkey) - --static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags) -+static inline pgprot_t arch_vm_get_page_prot(vm_flags_t vm_flags) - { - return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0); - } -diff --git a/arch/powerpc/include/asm/nohash/64/pgalloc.h b/arch/powerpc/include/asm/nohash/64/pgalloc.h -index 897d2e1..399f34f 100644 ---- a/arch/powerpc/include/asm/nohash/64/pgalloc.h -+++ b/arch/powerpc/include/asm/nohash/64/pgalloc.h -@@ -54,6 +54,7 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) - #ifndef CONFIG_PPC_64K_PAGES - - #define pgd_populate(MM, PGD, PUD) pgd_set(PGD, (unsigned long)PUD) -+#define pgd_populate_kernel(MM, PGD, PUD) pgd_populate((MM), (PGD), (PUD)) - - static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) - { -@@ -70,6 +71,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) - pud_set(pud, (unsigned long)pmd); - } - -+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) -+{ -+ pud_populate(mm, pud, pmd); -+} -+ - static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, - pte_t *pte) - { -@@ -139,6 +145,7 @@ extern void __tlb_remove_table(void *_table); - #endif - - #define pud_populate(mm, pud, pmd) pud_set(pud, (unsigned long)pmd) -+#define pud_populate_kernel(mm, pud, pmd) pud_populate((mm), (pud), (pmd)) - - static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, - pte_t *pte) -diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h -index 56398e7..287a772 100644 ---- a/arch/powerpc/include/asm/page.h -+++ b/arch/powerpc/include/asm/page.h -@@ -230,8 +230,9 @@ extern long long virt_phys_offset; - * and needs to be executable. This means the whole heap ends - * up being executable. - */ --#define VM_DATA_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \ -- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -+#define VM_DATA_DEFAULT_FLAGS32 \ -+ (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \ -+ VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - - #define VM_DATA_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -@@ -259,6 +260,9 @@ extern long long virt_phys_offset; - #define is_kernel_addr(x) ((x) >= PAGE_OFFSET) - #endif - -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - #ifndef CONFIG_PPC_BOOK3S_64 - /* - * Use the top bit of the higher-level page table entries to indicate whether -diff --git a/arch/powerpc/include/asm/page_64.h b/arch/powerpc/include/asm/page_64.h -index dd5f071..0470718 100644 ---- a/arch/powerpc/include/asm/page_64.h -+++ b/arch/powerpc/include/asm/page_64.h -@@ -169,15 +169,18 @@ do { \ - * stack by default, so in the absence of a PT_GNU_STACK program header - * we turn execute permission off. - */ --#define VM_STACK_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \ -- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -+#define VM_STACK_DEFAULT_FLAGS32 \ -+ (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \ -+ VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - - #define VM_STACK_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - -+#ifndef CONFIG_PAX_PAGEEXEC - #define VM_STACK_DEFAULT_FLAGS \ - (is_32bit_task() ? \ - VM_STACK_DEFAULT_FLAGS32 : VM_STACK_DEFAULT_FLAGS64) -+#endif - - #include - -diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h -index 9bd87f2..f600e6d 100644 ---- a/arch/powerpc/include/asm/pgtable.h -+++ b/arch/powerpc/include/asm/pgtable.h -@@ -1,6 +1,7 @@ - #ifndef _ASM_POWERPC_PGTABLE_H - #define _ASM_POWERPC_PGTABLE_H - -+#include - #ifndef __ASSEMBLY__ - #include - #include -diff --git a/arch/powerpc/include/asm/pte-common.h b/arch/powerpc/include/asm/pte-common.h -index 4ba26dd..2d1137d 100644 ---- a/arch/powerpc/include/asm/pte-common.h -+++ b/arch/powerpc/include/asm/pte-common.h -@@ -16,6 +16,9 @@ - #ifndef _PAGE_EXEC - #define _PAGE_EXEC 0 - #endif -+#ifndef _PAGE_NX -+#define _PAGE_NX 0 -+#endif - #ifndef _PAGE_ENDIAN - #define _PAGE_ENDIAN 0 - #endif -@@ -53,13 +56,13 @@ - #define PMD_PAGE_SIZE(pmd) bad_call_to_PMD_PAGE_SIZE() - #endif - #ifndef _PAGE_KERNEL_RO --#define _PAGE_KERNEL_RO (_PAGE_RO) -+#define _PAGE_KERNEL_RO (_PAGE_RO | _PAGE_NX) - #endif - #ifndef _PAGE_KERNEL_ROX - #define _PAGE_KERNEL_ROX (_PAGE_EXEC | _PAGE_RO) - #endif - #ifndef _PAGE_KERNEL_RW --#define _PAGE_KERNEL_RW (_PAGE_DIRTY | _PAGE_RW | _PAGE_HWWRITE) -+#define _PAGE_KERNEL_RW (_PAGE_DIRTY | _PAGE_RW | _PAGE_HWWRITE | _PAGE_NX) - #endif - #ifndef _PAGE_KERNEL_RWX - #define _PAGE_KERNEL_RWX (_PAGE_DIRTY | _PAGE_RW | _PAGE_HWWRITE | _PAGE_EXEC) -@@ -142,15 +145,12 @@ static inline bool pte_user(pte_t pte) - * Note due to the way vm flags are laid out, the bits are XWR - */ - #define PAGE_NONE __pgprot(_PAGE_BASE) --#define PAGE_SHARED __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RW) --#define PAGE_SHARED_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RW | \ -- _PAGE_EXEC) --#define PAGE_COPY __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RO) --#define PAGE_COPY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RO | \ -- _PAGE_EXEC) --#define PAGE_READONLY __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RO) --#define PAGE_READONLY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RO | \ -- _PAGE_EXEC) -+#define PAGE_SHARED __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RW | _PAGE_NX) -+#define PAGE_SHARED_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RW | _PAGE_EXEC) -+#define PAGE_COPY __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RO | _PAGE_NX) -+#define PAGE_COPY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RO | _PAGE_EXEC) -+#define PAGE_READONLY __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RO | _PAGE_NX) -+#define PAGE_READONLY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RO | _PAGE_EXEC) - - #define __P000 PAGE_NONE - #define __P001 PAGE_READONLY -@@ -171,11 +171,9 @@ static inline bool pte_user(pte_t pte) - #define __S111 PAGE_SHARED_X - - /* Permission masks used for kernel mappings */ --#define PAGE_KERNEL __pgprot(_PAGE_BASE | _PAGE_KERNEL_RW) --#define PAGE_KERNEL_NC __pgprot(_PAGE_BASE_NC | _PAGE_KERNEL_RW | \ -- _PAGE_NO_CACHE) --#define PAGE_KERNEL_NCG __pgprot(_PAGE_BASE_NC | _PAGE_KERNEL_RW | \ -- _PAGE_NO_CACHE | _PAGE_GUARDED) -+#define PAGE_KERNEL __pgprot(_PAGE_BASE | _PAGE_KERNEL_RW | _PAGE_NX) -+#define PAGE_KERNEL_NC __pgprot(_PAGE_BASE_NC | _PAGE_KERNEL_RW | _PAGE_NO_CACHE) -+#define PAGE_KERNEL_NCG __pgprot(_PAGE_BASE_NC | _PAGE_KERNEL_RW | _PAGE_NO_CACHE | _PAGE_GUARDED) - #define PAGE_KERNEL_X __pgprot(_PAGE_BASE | _PAGE_KERNEL_RWX) - #define PAGE_KERNEL_RO __pgprot(_PAGE_BASE | _PAGE_KERNEL_RO) - #define PAGE_KERNEL_ROX __pgprot(_PAGE_BASE | _PAGE_KERNEL_ROX) -diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h -index 13f5fad..6ec27c3 100644 ---- a/arch/powerpc/include/asm/reg.h -+++ b/arch/powerpc/include/asm/reg.h -@@ -270,6 +270,7 @@ - #define SPRN_DBCR 0x136 /* e300 Data Breakpoint Control Reg */ - #define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */ - #define DSISR_NOHPTE 0x40000000 /* no translation found */ -+#define DSISR_GUARDED 0x10000000 /* fetch from guarded storage */ - #define DSISR_PROTFAULT 0x08000000 /* protection fault */ - #define DSISR_ISSTORE 0x02000000 /* access was a store */ - #define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */ -diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h -index 0d02c11..33a8f08 100644 ---- a/arch/powerpc/include/asm/smp.h -+++ b/arch/powerpc/include/asm/smp.h -@@ -51,7 +51,7 @@ struct smp_ops_t { - int (*cpu_disable)(void); - void (*cpu_die)(unsigned int nr); - int (*cpu_bootable)(unsigned int nr); --}; -+} __no_const; - - extern void smp_send_debugger_break(void); - extern void start_secondary_resume(void); -diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h -index fa37fe9..867d3cf 100644 ---- a/arch/powerpc/include/asm/spinlock.h -+++ b/arch/powerpc/include/asm/spinlock.h -@@ -27,6 +27,7 @@ - #include - #include - #include -+#include - - #ifdef CONFIG_PPC64 - /* use 0x800000yy when locked, where yy == CPU number */ -@@ -228,13 +229,29 @@ static inline long __arch_read_trylock(arch_rwlock_t *rw) - __asm__ __volatile__( - "1: " PPC_LWARX(%0,0,%1,1) "\n" - __DO_SIGN_EXTEND --" addic. %0,%0,1\n\ -- ble- 2f\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" mcrxr cr0\n" -+" addico. %0,%0,1\n" -+" bf 4*cr0+so, 3f\n" -+"2:.long " "0x00c00b00""\n" -+#else -+" addic. %0,%0,1\n" -+#endif -+ -+"3:\n" -+ "ble- 4f\n" - PPC405_ERR77(0,%1) - " stwcx. %0,0,%1\n\ - bne- 1b\n" - PPC_ACQUIRE_BARRIER --"2:" : "=&r" (tmp) -+"4:" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ _ASM_EXTABLE(2b,4b) -+#endif -+ -+ : "=&r" (tmp) - : "r" (&rw->lock) - : "cr0", "xer", "memory"); - -@@ -310,11 +327,27 @@ static inline void arch_read_unlock(arch_rwlock_t *rw) - __asm__ __volatile__( - "# read_unlock\n\t" - PPC_RELEASE_BARRIER --"1: lwarx %0,0,%1\n\ -- addic %0,%0,-1\n" -+"1: lwarx %0,0,%1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" mcrxr cr0\n" -+" addico. %0,%0,-1\n" -+" bf 4*cr0+so, 3f\n" -+"2:.long " "0x00c00b00""\n" -+#else -+" addic. %0,%0,-1\n" -+#endif -+ -+"3:\n" - PPC405_ERR77(0,%1) - " stwcx. %0,0,%1\n\ - bne- 1b" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+"\n4:\n" -+ _ASM_EXTABLE(2b, 4b) -+#endif -+ - : "=&r"(tmp) - : "r"(&rw->lock) - : "cr0", "xer", "memory"); -diff --git a/arch/powerpc/include/asm/string.h b/arch/powerpc/include/asm/string.h -index da3cdff..c774844 100644 ---- a/arch/powerpc/include/asm/string.h -+++ b/arch/powerpc/include/asm/string.h -@@ -11,17 +11,17 @@ - #define __HAVE_ARCH_MEMCMP - #define __HAVE_ARCH_MEMCHR - --extern char * strcpy(char *,const char *); --extern char * strncpy(char *,const char *, __kernel_size_t); --extern __kernel_size_t strlen(const char *); --extern int strcmp(const char *,const char *); --extern int strncmp(const char *, const char *, __kernel_size_t); --extern char * strcat(char *, const char *); -+extern char * strcpy(char *,const char *) __nocapture(2); -+extern char * strncpy(char *,const char *, __kernel_size_t) __nocapture(2); -+extern __kernel_size_t strlen(const char *) __nocapture(1); -+extern int strcmp(const char *,const char *) __nocapture(); -+extern int strncmp(const char *, const char *, __kernel_size_t) __nocapture(1, 2); -+extern char * strcat(char *, const char *) __nocapture(2); - extern void * memset(void *,int,__kernel_size_t); --extern void * memcpy(void *,const void *,__kernel_size_t); --extern void * memmove(void *,const void *,__kernel_size_t); --extern int memcmp(const void *,const void *,__kernel_size_t); --extern void * memchr(const void *,int,__kernel_size_t); -+extern void * memcpy(void *,const void *,__kernel_size_t) __nocapture(2); -+extern void * memmove(void *,const void *,__kernel_size_t) __nocapture(2); -+extern int memcmp(const void *,const void *,__kernel_size_t) __nocapture(1, 2); -+extern void * memchr(const void *,int,__kernel_size_t) __nocapture(1); - - #endif /* __KERNEL__ */ - -diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h -index 87e4b2d..c362390 100644 ---- a/arch/powerpc/include/asm/thread_info.h -+++ b/arch/powerpc/include/asm/thread_info.h -@@ -107,6 +107,8 @@ static inline struct thread_info *current_thread_info(void) - #if defined(CONFIG_PPC64) - #define TIF_ELF2ABI 18 /* function descriptors must die! */ - #endif -+/* mask must be expressable within 16 bits to satisfy 'andi' instruction reqs */ -+#define TIF_GRSEC_SETXID 6 /* update credentials on syscall entry/exit */ - - /* as above, but as bit values */ - #define _TIF_SYSCALL_TRACE (1< INT_MAX) -+ return n; -+ -+ if (likely(access_ok(VERIFY_READ, from, n))) { -+ check_object_size(to, n, false); -+ n = __copy_from_user(to, from, n); -+ } else -+ memset(to, 0, n); -+ return n; -+} -+ -+static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n) -+{ -+ if ((long)n < 0 || n > INT_MAX) -+ return n; -+ -+ if (likely(access_ok(VERIFY_WRITE, to, n))) { -+ check_object_size(from, n, true); -+ n = __copy_to_user(to, from, n); -+ } -+ return n; -+} -+ -+extern unsigned long copy_in_user(void __user *to, const void __user *from, -+ unsigned long n); -+ -+#endif /* __powerpc64__ */ -+ - extern unsigned long __clear_user(void __user *addr, unsigned long size); - - static inline unsigned long clear_user(void __user *addr, unsigned long size) -diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile -index 1925341..a1841ac 100644 ---- a/arch/powerpc/kernel/Makefile -+++ b/arch/powerpc/kernel/Makefile -@@ -15,7 +15,7 @@ CFLAGS_btext.o += -fPIC - endif - - CFLAGS_cputable.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) --CFLAGS_init.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) -+CFLAGS_prom_init.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) - CFLAGS_btext.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) - CFLAGS_prom.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) - -@@ -31,6 +31,8 @@ CFLAGS_REMOVE_ftrace.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) - CFLAGS_REMOVE_time.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) - endif - -+CFLAGS_REMOVE_prom_init.o += $(LATENT_ENTROPY_PLUGIN_CFLAGS) -+ - obj-y := cputable.o ptrace.o syscalls.o \ - irq.o align.o signal_32.o pmc.o vdso.o \ - process.o systbl.o idle.o \ -diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S -index 38a1f96..ed94e42 100644 ---- a/arch/powerpc/kernel/exceptions-64e.S -+++ b/arch/powerpc/kernel/exceptions-64e.S -@@ -1010,6 +1010,7 @@ storage_fault_common: - std r14,_DAR(r1) - std r15,_DSISR(r1) - addi r3,r1,STACK_FRAME_OVERHEAD -+ bl save_nvgprs - mr r4,r14 - mr r5,r15 - ld r14,PACA_EXGEN+EX_R14(r13) -@@ -1018,8 +1019,7 @@ storage_fault_common: - cmpdi r3,0 - bne- 1f - b ret_from_except_lite --1: bl save_nvgprs -- mr r5,r3 -+1: mr r5,r3 - addi r3,r1,STACK_FRAME_OVERHEAD - ld r4,_DAR(r1) - bl bad_page_fault -diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S -index 1ba82ea..f78bd700 100644 ---- a/arch/powerpc/kernel/exceptions-64s.S -+++ b/arch/powerpc/kernel/exceptions-64s.S -@@ -1445,10 +1445,10 @@ handle_page_fault: - 11: ld r4,_DAR(r1) - ld r5,_DSISR(r1) - addi r3,r1,STACK_FRAME_OVERHEAD -+ bl save_nvgprs - bl do_page_fault - cmpdi r3,0 - beq+ 12f -- bl save_nvgprs - mr r5,r3 - addi r3,r1,STACK_FRAME_OVERHEAD - lwz r4,_DAR(r1) -diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c -index 3c05c31..a8e6888 100644 ---- a/arch/powerpc/kernel/irq.c -+++ b/arch/powerpc/kernel/irq.c -@@ -482,6 +482,8 @@ void migrate_irqs(void) - } - #endif - -+extern void gr_handle_kernel_exploit(void); -+ - static inline void check_stack_overflow(void) - { - #ifdef CONFIG_DEBUG_STACKOVERFLOW -@@ -494,6 +496,7 @@ static inline void check_stack_overflow(void) - pr_err("do_IRQ: stack overflow: %ld\n", - sp - sizeof(struct thread_info)); - dump_stack(); -+ gr_handle_kernel_exploit(); - } - #endif - } -diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c -index e785cc9..514488c 100644 ---- a/arch/powerpc/kernel/kprobes.c -+++ b/arch/powerpc/kernel/kprobes.c -@@ -131,6 +131,7 @@ static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs, - kcb->kprobe_saved_msr = regs->msr; - } - -+#ifdef CONFIG_KRETPROBES - void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, - struct pt_regs *regs) - { -@@ -139,6 +140,7 @@ void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, - /* Replace the return addr with trampoline addr */ - regs->link = (unsigned long)kretprobe_trampoline; - } -+#endif - - static int __kprobes kprobe_handler(struct pt_regs *regs) - { -@@ -547,6 +549,7 @@ int __init arch_init_kprobes(void) - return register_kprobe(&trampoline_p); - } - -+#ifdef CONFIG_KRETPROBES - int __kprobes arch_trampoline_kprobe(struct kprobe *p) - { - if (p->addr == (kprobe_opcode_t *)&kretprobe_trampoline) -@@ -554,3 +557,4 @@ int __kprobes arch_trampoline_kprobe(struct kprobe *p) - - return 0; - } -+#endif -diff --git a/arch/powerpc/kernel/module_32.c b/arch/powerpc/kernel/module_32.c -index 5a7a78f..c0e4207 100644 ---- a/arch/powerpc/kernel/module_32.c -+++ b/arch/powerpc/kernel/module_32.c -@@ -158,7 +158,7 @@ int module_frob_arch_sections(Elf32_Ehdr *hdr, - me->arch.core_plt_section = i; - } - if (!me->arch.core_plt_section || !me->arch.init_plt_section) { -- pr_err("Module doesn't contain .plt or .init.plt sections.\n"); -+ pr_err("Module $s doesn't contain .plt or .init.plt sections.\n", me->name); - return -ENOEXEC; - } - -@@ -188,11 +188,16 @@ static uint32_t do_plt_call(void *location, - - pr_debug("Doing plt for call to 0x%x at 0x%x\n", val, (unsigned int)location); - /* Init, or core PLT? */ -- if (location >= mod->core_layout.base -- && location < mod->core_layout.base + mod->core_layout.size) -+ if ((location >= mod->core_layout.base_rx && location < mod->core_layout.base_rx + mod->core_layout.size_rx) || -+ (location >= mod->core_layout.base_rw && location < mod->core_layout.base_rw + mod->core_layout.size_rw)) - entry = (void *)sechdrs[mod->arch.core_plt_section].sh_addr; -- else -+ else if ((location >= mod->init_layout.base_rx && location < mod->init_layout.base_rx + mod->init_layout.size_rx) || -+ (location >= mod->init_layout.base_rw && location < mod->init_layout.base_rw + mod->init_layout.size_rw)) - entry = (void *)sechdrs[mod->arch.init_plt_section].sh_addr; -+ else { -+ printk(KERN_ERR "%s: invalid R_PPC_REL24 entry found\n", mod->name); -+ return ~0UL; -+ } - - /* Find this entry, or if that fails, the next avail. entry */ - while (entry->jump[0]) { -@@ -301,7 +306,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, - #ifdef CONFIG_DYNAMIC_FTRACE - int module_finalize_ftrace(struct module *module, const Elf_Shdr *sechdrs) - { -- module->arch.tramp = do_plt_call(module->core_layout.base, -+ module->arch.tramp = do_plt_call(module->core_layout.base_rx, - (unsigned long)ftrace_caller, - sechdrs, module); - if (!module->arch.tramp) -diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c -index 49a680d..2514bbcb 100644 ---- a/arch/powerpc/kernel/process.c -+++ b/arch/powerpc/kernel/process.c -@@ -1375,8 +1375,8 @@ void show_regs(struct pt_regs * regs) - * Lookup NIP late so we have the best change of getting the - * above info out without failing - */ -- printk("NIP ["REG"] %pS\n", regs->nip, (void *)regs->nip); -- printk("LR ["REG"] %pS\n", regs->link, (void *)regs->link); -+ printk("NIP ["REG"] %pA\n", regs->nip, (void *)regs->nip); -+ printk("LR ["REG"] %pA\n", regs->link, (void *)regs->link); - #endif - show_stack(current, (unsigned long *) regs->gpr[1]); - if (!user_mode(regs)) -@@ -1897,10 +1897,10 @@ void show_stack(struct task_struct *tsk, unsigned long *stack) - newsp = stack[0]; - ip = stack[STACK_FRAME_LR_SAVE]; - if (!firstframe || ip != lr) { -- printk("["REG"] ["REG"] %pS", sp, ip, (void *)ip); -+ printk("["REG"] ["REG"] %pA", sp, ip, (void *)ip); - #ifdef CONFIG_FUNCTION_GRAPH_TRACER - if ((ip == rth) && curr_frame >= 0) { -- pr_cont(" (%pS)", -+ pr_cont(" (%pA)", - (void *)current->ret_stack[curr_frame].ret); - curr_frame--; - } -@@ -1920,7 +1920,7 @@ void show_stack(struct task_struct *tsk, unsigned long *stack) - struct pt_regs *regs = (struct pt_regs *) - (sp + STACK_FRAME_OVERHEAD); - lr = regs->link; -- printk("--- interrupt: %lx at %pS\n LR = %pS\n", -+ printk("--- interrupt: %lx at %pA\n LR = %pA\n", - regs->trap, (void *)regs->nip, (void *)lr); - firstframe = 1; - } -@@ -1957,13 +1957,6 @@ void notrace __ppc64_runlatch_off(void) - } - #endif /* CONFIG_PPC64 */ - --unsigned long arch_align_stack(unsigned long sp) --{ -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() & ~PAGE_MASK; -- return sp & ~0xf; --} -- - static inline unsigned long brk_rnd(void) - { - unsigned long rnd = 0; -diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c -index 5c8f12f..98047fb 100644 ---- a/arch/powerpc/kernel/ptrace.c -+++ b/arch/powerpc/kernel/ptrace.c -@@ -3151,7 +3151,7 @@ static int do_seccomp(struct pt_regs *regs) - * have already loaded -ENOSYS into r3, or seccomp has put - * something else in r3 (via SECCOMP_RET_ERRNO/TRACE). - */ -- if (__secure_computing(NULL)) -+ if (secure_computing(NULL)) - return -1; - - /* -@@ -3169,6 +3169,10 @@ static int do_seccomp(struct pt_regs *regs) - static inline int do_seccomp(struct pt_regs *regs) { return 0; } - #endif /* CONFIG_SECCOMP */ - -+#ifdef CONFIG_GRKERNSEC_SETXID -+extern void gr_delayed_cred_worker(void); -+#endif -+ - /** - * do_syscall_trace_enter() - Do syscall tracing on kernel entry. - * @regs: the pt_regs of the task to trace (current) -@@ -3192,6 +3196,11 @@ long do_syscall_trace_enter(struct pt_regs *regs) - { - user_exit(); - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - /* - * The tracer may decide to abort the syscall, if so tracehook - * will return !0. Note that the tracer may also just change -@@ -3210,6 +3219,7 @@ long do_syscall_trace_enter(struct pt_regs *regs) - if (regs->gpr[0] >= NR_syscalls) - goto skip; - -+ - if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) - trace_sys_enter(regs, regs->gpr[0]); - -@@ -3241,6 +3251,11 @@ void do_syscall_trace_leave(struct pt_regs *regs) - { - int step; - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - audit_syscall_exit(regs); - - if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) -diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c -index 27aa913..dc0d9f5 100644 ---- a/arch/powerpc/kernel/signal_32.c -+++ b/arch/powerpc/kernel/signal_32.c -@@ -1006,7 +1006,7 @@ int handle_rt_signal32(struct ksignal *ksig, sigset_t *oldset, - /* Save user registers on the stack */ - frame = &rt_sf->uc.uc_mcontext; - addr = frame; -- if (vdso32_rt_sigtramp && tsk->mm->context.vdso_base) { -+ if (vdso32_rt_sigtramp && tsk->mm->context.vdso_base != ~0UL) { - sigret = 0; - tramp = tsk->mm->context.vdso_base + vdso32_rt_sigtramp; - } else { -diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c -index 96698fd..fe57485 100644 ---- a/arch/powerpc/kernel/signal_64.c -+++ b/arch/powerpc/kernel/signal_64.c -@@ -791,7 +791,7 @@ int handle_rt_signal64(struct ksignal *ksig, sigset_t *set, - tsk->thread.fp_state.fpscr = 0; - - /* Set up to return from userspace. */ -- if (vdso64_rt_sigtramp && tsk->mm->context.vdso_base) { -+ if (vdso64_rt_sigtramp && tsk->mm->context.vdso_base != ~0UL) { - regs->link = tsk->mm->context.vdso_base + vdso64_rt_sigtramp; - } else { - err |= setup_trampoline(__NR_rt_sigreturn, &frame->tramp[0]); -diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c -index 023a462..9d940854 100644 ---- a/arch/powerpc/kernel/traps.c -+++ b/arch/powerpc/kernel/traps.c -@@ -37,6 +37,7 @@ - #include - #include - #include -+#include - - #include - #include -@@ -146,6 +147,8 @@ static unsigned long oops_begin(struct pt_regs *regs) - } - NOKPROBE_SYMBOL(oops_begin); - -+extern void gr_handle_kernel_exploit(void); -+ - static void oops_end(unsigned long flags, struct pt_regs *regs, - int signr) - { -@@ -195,6 +198,9 @@ static void oops_end(unsigned long flags, struct pt_regs *regs, - panic("Fatal exception in interrupt"); - if (panic_on_oops) - panic("Fatal exception"); -+ -+ gr_handle_kernel_exploit(); -+ - do_exit(signr); - } - NOKPROBE_SYMBOL(oops_end); -@@ -1162,6 +1168,26 @@ void program_check_exception(struct pt_regs *regs) - enum ctx_state prev_state = exception_enter(); - unsigned int reason = get_reason(regs); - -+#ifdef CONFIG_PAX_REFCOUNT -+ unsigned int bkpt; -+ const struct exception_table_entry *entry; -+ -+ if (reason & REASON_ILLEGAL) { -+ /* Check if PaX bad instruction */ -+ if (!probe_kernel_address((const void *)regs->nip, bkpt) && bkpt == 0xc00b00) { -+ current->thread.trap_nr = 0; -+ pax_report_refcount_error(regs, NULL); -+ /* fixup_exception() for PowerPC does not exist, simulate its job */ -+ if ((entry = search_exception_tables(regs->nip)) != NULL) { -+ regs->nip = entry->fixup; -+ return; -+ } -+ /* fixup_exception() could not handle */ -+ goto bail; -+ } -+ } -+#endif -+ - /* We can now get here via a FP Unavailable exception if the core - * has no FPU, in that case the reason flags will be 0 */ - -diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c -index 4111d30..fa5e7be 100644 ---- a/arch/powerpc/kernel/vdso.c -+++ b/arch/powerpc/kernel/vdso.c -@@ -35,6 +35,7 @@ - #include - #include - #include -+#include - - #undef DEBUG - -@@ -180,7 +181,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) - vdso_base = VDSO32_MBASE; - #endif - -- current->mm->context.vdso_base = 0; -+ current->mm->context.vdso_base = ~0UL; - - /* vDSO has a problem and was disabled, just don't "enable" it for the - * process -@@ -201,7 +202,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) - vdso_base = get_unmapped_area(NULL, vdso_base, - (vdso_pages << PAGE_SHIFT) + - ((VDSO_ALIGNMENT - 1) & PAGE_MASK), -- 0, 0); -+ 0, MAP_PRIVATE | MAP_EXECUTABLE); - if (IS_ERR_VALUE(vdso_base)) { - rc = vdso_base; - goto fail_mmapsem; -diff --git a/arch/powerpc/lib/usercopy_64.c b/arch/powerpc/lib/usercopy_64.c -index 5eea6f3..5d10396 100644 ---- a/arch/powerpc/lib/usercopy_64.c -+++ b/arch/powerpc/lib/usercopy_64.c -@@ -9,22 +9,6 @@ - #include - #include - --unsigned long copy_from_user(void *to, const void __user *from, unsigned long n) --{ -- if (likely(access_ok(VERIFY_READ, from, n))) -- n = __copy_from_user(to, from, n); -- else -- memset(to, 0, n); -- return n; --} -- --unsigned long copy_to_user(void __user *to, const void *from, unsigned long n) --{ -- if (likely(access_ok(VERIFY_WRITE, to, n))) -- n = __copy_to_user(to, from, n); -- return n; --} -- - unsigned long copy_in_user(void __user *to, const void __user *from, - unsigned long n) - { -@@ -35,7 +19,5 @@ unsigned long copy_in_user(void __user *to, const void __user *from, - return n; - } - --EXPORT_SYMBOL(copy_from_user); --EXPORT_SYMBOL(copy_to_user); - EXPORT_SYMBOL(copy_in_user); - -diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c -index d0b137d..af92bde 100644 ---- a/arch/powerpc/mm/fault.c -+++ b/arch/powerpc/mm/fault.c -@@ -34,6 +34,10 @@ - #include - #include - #include -+#include -+#include -+#include -+#include - - #include - #include -@@ -68,6 +72,33 @@ static inline int notify_page_fault(struct pt_regs *regs) - } - #endif - -+#ifdef CONFIG_PAX_PAGEEXEC -+/* -+ * PaX: decide what to do with offenders (regs->nip = fault address) -+ * -+ * returns 1 when task should be killed -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ return 1; -+} -+ -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 5; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int __user *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - /* - * Check whether the instruction at regs->nip is a store using - * an update addressing form which will update r1. -@@ -227,7 +258,7 @@ int do_page_fault(struct pt_regs *regs, unsigned long address, - * indicate errors in DSISR but can validly be set in SRR1. - */ - if (trap == 0x400) -- error_code &= 0x48200000; -+ error_code &= 0x58200000; - else - is_write = error_code & DSISR_ISSTORE; - #else -@@ -384,12 +415,16 @@ int do_page_fault(struct pt_regs *regs, unsigned long address, - * "undefined". Of those that can be set, this is the only - * one which seems bad. - */ -- if (error_code & 0x10000000) -+ if (error_code & DSISR_GUARDED) - /* Guarded storage error. */ - goto bad_area; - #endif /* CONFIG_8xx */ - - if (is_exec) { -+#ifdef CONFIG_PPC_STD_MMU -+ if (error_code & DSISR_GUARDED) -+ goto bad_area; -+#endif - /* - * Allow execution from readable areas if the MMU does not - * provide separate controls over reading and executing. -@@ -484,6 +519,23 @@ int do_page_fault(struct pt_regs *regs, unsigned long address, - bad_area_nosemaphore: - /* User mode accesses cause a SIGSEGV */ - if (user_mode(regs)) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (mm->pax_flags & MF_PAX_PAGEEXEC) { -+#ifdef CONFIG_PPC_STD_MMU -+ if (is_exec && (error_code & (DSISR_PROTFAULT | DSISR_GUARDED))) { -+#else -+ if (is_exec && regs->nip == address) { -+#endif -+ switch (pax_handle_fetch_fault(regs)) { -+ } -+ -+ pax_report_fault(regs, (void *)regs->nip, (void *)regs->gpr[PT_R1]); -+ do_group_exit(SIGKILL); -+ } -+ } -+#endif -+ - _exception(SIGSEGV, regs, code, address); - goto bail; - } -diff --git a/arch/powerpc/mm/mmap.c b/arch/powerpc/mm/mmap.c -index 2f1e443..de888bf 100644 ---- a/arch/powerpc/mm/mmap.c -+++ b/arch/powerpc/mm/mmap.c -@@ -194,6 +194,10 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - { - unsigned long random_factor = 0UL; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (current->flags & PF_RANDOMIZE) - random_factor = arch_mmap_rnd(); - -@@ -205,9 +209,21 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - */ - if (mmap_is_legacy()) { - mm->mmap_base = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area; - } else { - mm->mmap_base = mmap_base(random_factor); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - } - } -diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c -index 2b27458..7c7c59b 100644 ---- a/arch/powerpc/mm/slice.c -+++ b/arch/powerpc/mm/slice.c -@@ -105,7 +105,7 @@ static int slice_area_is_free(struct mm_struct *mm, unsigned long addr, - if ((mm->task_size - len) < addr) - return 0; - vma = find_vma(mm, addr); -- return (!vma || (addr + len) <= vma->vm_start); -+ return check_heap_stack_gap(vma, addr, len, 0); - } - - static int slice_low_has_vma(struct mm_struct *mm, unsigned long slice) -@@ -276,6 +276,12 @@ static unsigned long slice_find_area_bottomup(struct mm_struct *mm, - info.align_offset = 0; - - addr = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ addr += mm->delta_mmap; -+#endif -+ - while (addr < TASK_SIZE) { - info.low_limit = addr; - if (!slice_scan_available(addr, available, 1, &addr)) -@@ -410,6 +416,11 @@ unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len, - if (fixed && addr > (mm->task_size - len)) - return -ENOMEM; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!fixed && (mm->pax_flags & MF_PAX_RANDMMAP)) -+ addr = 0; -+#endif -+ - /* If hint, make sure it matches our alignment restrictions */ - if (!fixed && addr) { - addr = _ALIGN_UP(addr, 1ul << pshift); -@@ -555,10 +566,10 @@ unsigned long arch_get_unmapped_area(struct file *filp, - } - - unsigned long arch_get_unmapped_area_topdown(struct file *filp, -- const unsigned long addr0, -- const unsigned long len, -- const unsigned long pgoff, -- const unsigned long flags) -+ unsigned long addr0, -+ unsigned long len, -+ unsigned long pgoff, -+ unsigned long flags) - { - return slice_get_unmapped_area(addr0, len, flags, - current->mm->context.user_psize, 1); -diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c -index 0625446..139a0aa 100644 ---- a/arch/powerpc/platforms/cell/spufs/file.c -+++ b/arch/powerpc/platforms/cell/spufs/file.c -@@ -263,9 +263,9 @@ spufs_mem_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) - return VM_FAULT_NOPAGE; - } - --static int spufs_mem_mmap_access(struct vm_area_struct *vma, -+static ssize_t spufs_mem_mmap_access(struct vm_area_struct *vma, - unsigned long address, -- void *buf, int len, int write) -+ void *buf, size_t len, int write) - { - struct spu_context *ctx = vma->vm_file->private_data; - unsigned long offset = address - vma->vm_start; -diff --git a/arch/s390/Kconfig.debug b/arch/s390/Kconfig.debug -index 26c5d5be..a308c28 100644 ---- a/arch/s390/Kconfig.debug -+++ b/arch/s390/Kconfig.debug -@@ -9,6 +9,7 @@ config S390_PTDUMP - bool "Export kernel pagetable layout to userspace via debugfs" - depends on DEBUG_KERNEL - select DEBUG_FS -+ depends on !GRKERNSEC_KMEM - ---help--- - Say Y here if you want to show the kernel pagetable layout in a - debugfs file. This information is only useful for kernel developers -diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h -index d28cc2f..a937312 100644 ---- a/arch/s390/include/asm/atomic.h -+++ b/arch/s390/include/asm/atomic.h -@@ -342,4 +342,14 @@ static inline long long atomic64_dec_if_positive(atomic64_t *v) - #define atomic64_dec_and_test(_v) (atomic64_sub_return(1, _v) == 0) - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - #endif /* __ARCH_S390_ATOMIC__ */ -diff --git a/arch/s390/include/asm/cache.h b/arch/s390/include/asm/cache.h -index 05219a5..032f5f0 100644 ---- a/arch/s390/include/asm/cache.h -+++ b/arch/s390/include/asm/cache.h -@@ -9,8 +9,10 @@ - #ifndef __ARCH_S390_CACHE_H - #define __ARCH_S390_CACHE_H - --#define L1_CACHE_BYTES 256 -+#include -+ - #define L1_CACHE_SHIFT 8 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - #define NET_SKB_PAD 32 - - #define __read_mostly __section(.data..read_mostly) -diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h -index 1736c7d..261351c 100644 ---- a/arch/s390/include/asm/elf.h -+++ b/arch/s390/include/asm/elf.h -@@ -167,6 +167,13 @@ extern unsigned int vdso_enabled; - (STACK_TOP / 3 * 2) : \ - (STACK_TOP / 3 * 2) & ~((1UL << 32) - 1)) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (test_thread_flag(TIF_31BIT) ? 0x10000UL : 0x80000000UL) -+ -+#define PAX_DELTA_MMAP_LEN (test_thread_flag(TIF_31BIT) ? 15 : 26) -+#define PAX_DELTA_STACK_LEN (test_thread_flag(TIF_31BIT) ? 15 : 26) -+#endif -+ - /* This yields a mask that user programs can use to figure out what - instruction set this CPU supports. */ - -diff --git a/arch/s390/include/asm/exec.h b/arch/s390/include/asm/exec.h -index c4a93d6..4d2a9b4 100644 ---- a/arch/s390/include/asm/exec.h -+++ b/arch/s390/include/asm/exec.h -@@ -7,6 +7,6 @@ - #ifndef __ASM_EXEC_H - #define __ASM_EXEC_H - --extern unsigned long arch_align_stack(unsigned long sp); -+#define arch_align_stack(x) ((x) & ~0xfUL) - - #endif /* __ASM_EXEC_H */ -diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h -index a7ef702..8c25ce4 100644 ---- a/arch/s390/include/asm/uaccess.h -+++ b/arch/s390/include/asm/uaccess.h -@@ -59,6 +59,7 @@ static inline int __range_ok(unsigned long addr, unsigned long size) - __range_ok((unsigned long)(addr), (size)); \ - }) - -+#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size)) - #define access_ok(type, addr, size) __access_ok(addr, size) - - /* -@@ -337,6 +338,10 @@ static inline unsigned long __must_check - copy_to_user(void __user *to, const void *from, unsigned long n) - { - might_fault(); -+ -+ if ((long)n < 0) -+ return n; -+ - return __copy_to_user(to, from, n); - } - -@@ -360,10 +365,14 @@ copy_to_user(void __user *to, const void *from, unsigned long n) - static inline unsigned long __must_check - copy_from_user(void *to, const void __user *from, unsigned long n) - { -- unsigned int sz = __compiletime_object_size(to); -+ size_t sz = __compiletime_object_size(to); - - might_fault(); -- if (unlikely(sz != -1 && sz < n)) { -+ -+ if ((long)n < 0) -+ return n; -+ -+ if (unlikely(sz != (size_t)-1 && sz < n)) { - if (!__builtin_constant_p(n)) - copy_user_overflow(sz, n); - else -diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c -index fdb4042..b72ae72 100644 ---- a/arch/s390/kernel/kprobes.c -+++ b/arch/s390/kernel/kprobes.c -@@ -269,6 +269,7 @@ static void pop_kprobe(struct kprobe_ctlblk *kcb) - } - NOKPROBE_SYMBOL(pop_kprobe); - -+#ifdef CONFIG_KRETPROBES - void arch_prepare_kretprobe(struct kretprobe_instance *ri, struct pt_regs *regs) - { - ri->ret_addr = (kprobe_opcode_t *) regs->gprs[14]; -@@ -277,6 +278,7 @@ void arch_prepare_kretprobe(struct kretprobe_instance *ri, struct pt_regs *regs) - regs->gprs[14] = (unsigned long) &kretprobe_trampoline; - } - NOKPROBE_SYMBOL(arch_prepare_kretprobe); -+#endif - - static void kprobe_reenter_check(struct kprobe_ctlblk *kcb, struct kprobe *p) - { -@@ -740,8 +742,10 @@ int __init arch_init_kprobes(void) - return register_kprobe(&trampoline); - } - -+#ifdef CONFIG_KRETPROBES - int arch_trampoline_kprobe(struct kprobe *p) - { - return p->addr == (kprobe_opcode_t *) &kretprobe_trampoline; - } - NOKPROBE_SYMBOL(arch_trampoline_kprobe); -+#endif -diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c -index fbc0789..e7962a1 100644 ---- a/arch/s390/kernel/module.c -+++ b/arch/s390/kernel/module.c -@@ -163,11 +163,11 @@ int module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs, - - /* Increase core size by size of got & plt and set start - offsets for got and plt. */ -- me->core_layout.size = ALIGN(me->core_layout.size, 4); -- me->arch.got_offset = me->core_layout.size; -- me->core_layout.size += me->arch.got_size; -- me->arch.plt_offset = me->core_layout.size; -- me->core_layout.size += me->arch.plt_size; -+ me->core_layout.size_rw = ALIGN(me->core_layout.size_rw, 4); -+ me->arch.got_offset = me->core_layout.size_rw; -+ me->core_layout.size_rw += me->arch.got_size; -+ me->arch.plt_offset = me->core_layout.size_rx; -+ me->core_layout.size_rx += me->arch.plt_size; - return 0; - } - -@@ -283,7 +283,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, - if (info->got_initialized == 0) { - Elf_Addr *gotent; - -- gotent = me->core_layout.base + me->arch.got_offset + -+ gotent = me->core_layout.base_rw + me->arch.got_offset + - info->got_offset; - *gotent = val; - info->got_initialized = 1; -@@ -306,7 +306,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, - rc = apply_rela_bits(loc, val, 0, 64, 0); - else if (r_type == R_390_GOTENT || - r_type == R_390_GOTPLTENT) { -- val += (Elf_Addr) me->core_layout.base - loc; -+ val += (Elf_Addr) me->core_layout.base_rw - loc; - rc = apply_rela_bits(loc, val, 1, 32, 1); - } - break; -@@ -319,7 +319,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, - case R_390_PLTOFF64: /* 16 bit offset from GOT to PLT. */ - if (info->plt_initialized == 0) { - unsigned int *ip; -- ip = me->core_layout.base + me->arch.plt_offset + -+ ip = me->core_layout.base_rx + me->arch.plt_offset + - info->plt_offset; - ip[0] = 0x0d10e310; /* basr 1,0; lg 1,10(1); br 1 */ - ip[1] = 0x100a0004; -@@ -338,7 +338,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, - val - loc + 0xffffUL < 0x1ffffeUL) || - (r_type == R_390_PLT32DBL && - val - loc + 0xffffffffULL < 0x1fffffffeULL))) -- val = (Elf_Addr) me->core_layout.base + -+ val = (Elf_Addr) me->core_layout.base_rx + - me->arch.plt_offset + - info->plt_offset; - val += rela->r_addend - loc; -@@ -360,7 +360,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, - case R_390_GOTOFF32: /* 32 bit offset to GOT. */ - case R_390_GOTOFF64: /* 64 bit offset to GOT. */ - val = val + rela->r_addend - -- ((Elf_Addr) me->core_layout.base + me->arch.got_offset); -+ ((Elf_Addr) me->core_layout.base_rw + me->arch.got_offset); - if (r_type == R_390_GOTOFF16) - rc = apply_rela_bits(loc, val, 0, 16, 0); - else if (r_type == R_390_GOTOFF32) -@@ -370,7 +370,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, - break; - case R_390_GOTPC: /* 32 bit PC relative offset to GOT. */ - case R_390_GOTPCDBL: /* 32 bit PC rel. off. to GOT shifted by 1. */ -- val = (Elf_Addr) me->core_layout.base + me->arch.got_offset + -+ val = (Elf_Addr) me->core_layout.base_rw + me->arch.got_offset + - rela->r_addend - loc; - if (r_type == R_390_GOTPC) - rc = apply_rela_bits(loc, val, 1, 32, 0); -diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c -index bba4fa7..9c32b3c 100644 ---- a/arch/s390/kernel/process.c -+++ b/arch/s390/kernel/process.c -@@ -217,13 +217,6 @@ unsigned long get_wchan(struct task_struct *p) - return 0; - } - --unsigned long arch_align_stack(unsigned long sp) --{ -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() & ~PAGE_MASK; -- return sp & ~0xf; --} -- - static inline unsigned long brk_rnd(void) - { - return (get_random_int() & BRK_RND_MASK) << PAGE_SHIFT; -diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c -index eb9df28..7b686ba 100644 ---- a/arch/s390/mm/mmap.c -+++ b/arch/s390/mm/mmap.c -@@ -201,9 +201,9 @@ s390_get_unmapped_area(struct file *filp, unsigned long addr, - } - - static unsigned long --s390_get_unmapped_area_topdown(struct file *filp, const unsigned long addr, -- const unsigned long len, const unsigned long pgoff, -- const unsigned long flags) -+s390_get_unmapped_area_topdown(struct file *filp, unsigned long addr, -+ unsigned long len, unsigned long pgoff, -+ unsigned long flags) - { - struct mm_struct *mm = current->mm; - unsigned long area; -@@ -230,6 +230,10 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - { - unsigned long random_factor = 0UL; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (current->flags & PF_RANDOMIZE) - random_factor = arch_mmap_rnd(); - -@@ -239,9 +243,21 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - */ - if (mmap_is_legacy()) { - mm->mmap_base = mmap_base_legacy(random_factor); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = s390_get_unmapped_area; - } else { - mm->mmap_base = mmap_base(random_factor); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+#endif -+ - mm->get_unmapped_area = s390_get_unmapped_area_topdown; - } - } -diff --git a/arch/score/include/asm/cache.h b/arch/score/include/asm/cache.h -index ae3d59f..f65f075 100644 ---- a/arch/score/include/asm/cache.h -+++ b/arch/score/include/asm/cache.h -@@ -1,7 +1,9 @@ - #ifndef _ASM_SCORE_CACHE_H - #define _ASM_SCORE_CACHE_H - -+#include -+ - #define L1_CACHE_SHIFT 4 --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #endif /* _ASM_SCORE_CACHE_H */ -diff --git a/arch/score/include/asm/exec.h b/arch/score/include/asm/exec.h -index f9f3cd5..58ff438 100644 ---- a/arch/score/include/asm/exec.h -+++ b/arch/score/include/asm/exec.h -@@ -1,6 +1,6 @@ - #ifndef _ASM_SCORE_EXEC_H - #define _ASM_SCORE_EXEC_H - --extern unsigned long arch_align_stack(unsigned long sp); -+#define arch_align_stack(x) (x) - - #endif /* _ASM_SCORE_EXEC_H */ -diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c -index aae9480..93e40a4 100644 ---- a/arch/score/kernel/process.c -+++ b/arch/score/kernel/process.c -@@ -114,8 +114,3 @@ unsigned long get_wchan(struct task_struct *task) - - return task_pt_regs(task)->cp0_epc; - } -- --unsigned long arch_align_stack(unsigned long sp) --{ -- return sp; --} -diff --git a/arch/sh/include/asm/cache.h b/arch/sh/include/asm/cache.h -index ef9e555..331bd29 100644 ---- a/arch/sh/include/asm/cache.h -+++ b/arch/sh/include/asm/cache.h -@@ -9,10 +9,11 @@ - #define __ASM_SH_CACHE_H - #ifdef __KERNEL__ - -+#include - #include - #include - --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define __read_mostly __attribute__((__section__(".data..read_mostly"))) - -diff --git a/arch/sh/kernel/kprobes.c b/arch/sh/kernel/kprobes.c -index 83acbf3..fa67491 100644 ---- a/arch/sh/kernel/kprobes.c -+++ b/arch/sh/kernel/kprobes.c -@@ -72,6 +72,7 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p) - (unsigned long)p->addr + sizeof(kprobe_opcode_t)); - } - -+#ifdef CONFIG_KRETPROBES - int __kprobes arch_trampoline_kprobe(struct kprobe *p) - { - if (*p->addr == BREAKPOINT_INSTRUCTION) -@@ -79,6 +80,7 @@ int __kprobes arch_trampoline_kprobe(struct kprobe *p) - - return 0; - } -+#endif - - /** - * If an illegal slot instruction exception occurs for an address -@@ -203,6 +205,7 @@ static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs) - } - - /* Called with kretprobe_lock held */ -+#ifdef CONFIG_KRETPROBES - void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, - struct pt_regs *regs) - { -@@ -211,6 +214,7 @@ void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, - /* Replace the return addr with trampoline addr */ - regs->pr = (unsigned long)kretprobe_trampoline; - } -+#endif - - static int __kprobes kprobe_handler(struct pt_regs *regs) - { -diff --git a/arch/sh/mm/mmap.c b/arch/sh/mm/mmap.c -index 6777177..d44b592 100644 ---- a/arch/sh/mm/mmap.c -+++ b/arch/sh/mm/mmap.c -@@ -36,6 +36,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; - int do_colour_align; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - if (flags & MAP_FIXED) { -@@ -55,6 +56,10 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - if (filp || (flags & MAP_SHARED)) - do_colour_align = 1; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_colour_align) - addr = COLOUR_ALIGN(addr, pgoff); -@@ -62,14 +67,13 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - - info.flags = 0; - info.length = len; -- info.low_limit = TASK_UNMAPPED_BASE; -+ info.low_limit = mm->mmap_base; - info.high_limit = TASK_SIZE; - info.align_mask = do_colour_align ? (PAGE_MASK & shm_align_mask) : 0; - info.align_offset = pgoff << PAGE_SHIFT; -@@ -77,14 +81,15 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - } - - unsigned long --arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, -- const unsigned long len, const unsigned long pgoff, -- const unsigned long flags) -+arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr0, -+ unsigned long len, unsigned long pgoff, -+ unsigned long flags) - { - struct vm_area_struct *vma; - struct mm_struct *mm = current->mm; - unsigned long addr = addr0; - int do_colour_align; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - if (flags & MAP_FIXED) { -@@ -104,6 +109,10 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - if (filp || (flags & MAP_SHARED)) - do_colour_align = 1; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - /* requesting a specific address */ - if (addr) { - if (do_colour_align) -@@ -112,8 +121,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -135,6 +143,12 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - VM_BUG_ON(addr != -ENOMEM); - info.flags = 0; - info.low_limit = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap; -+#endif -+ - info.high_limit = TASK_SIZE; - addr = vm_unmapped_area(&info); - } -diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig -index 165ecdd..2bac5bf 100644 ---- a/arch/sparc/Kconfig -+++ b/arch/sparc/Kconfig -@@ -38,6 +38,7 @@ config SPARC - select GENERIC_STRNCPY_FROM_USER - select GENERIC_STRNLEN_USER - select MODULES_USE_ELF_RELA -+ select HAVE_GCC_PLUGINS - select ODD_RT_SIGACTION - select OLD_SIGSUSPEND - select ARCH_HAS_SG_CHAIN -diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h -index 24827a3..5dd45ac4 100644 ---- a/arch/sparc/include/asm/atomic_64.h -+++ b/arch/sparc/include/asm/atomic_64.h -@@ -15,18 +15,38 @@ - #define ATOMIC64_INIT(i) { (i) } - - #define atomic_read(v) READ_ONCE((v)->counter) -+static inline int atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ return READ_ONCE(v->counter); -+} - #define atomic64_read(v) READ_ONCE((v)->counter) -+static inline long atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ return READ_ONCE(v->counter); -+} - - #define atomic_set(v, i) WRITE_ONCE(((v)->counter), (i)) -+static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i) -+{ -+ WRITE_ONCE(v->counter, i); -+} - #define atomic64_set(v, i) WRITE_ONCE(((v)->counter), (i)) -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long i) -+{ -+ WRITE_ONCE(v->counter, i); -+} - --#define ATOMIC_OP(op) \ --void atomic_##op(int, atomic_t *); \ --void atomic64_##op(long, atomic64_t *); -+#define __ATOMIC_OP(op, suffix) \ -+void atomic_##op##suffix(int, atomic##suffix##_t *); \ -+void atomic64_##op##suffix(long, atomic64##suffix##_t *); - --#define ATOMIC_OP_RETURN(op) \ --int atomic_##op##_return(int, atomic_t *); \ --long atomic64_##op##_return(long, atomic64_t *); -+#define ATOMIC_OP(op) __ATOMIC_OP(op, ) __ATOMIC_OP(op, _unchecked) -+ -+#define __ATOMIC_OP_RETURN(op, suffix) \ -+int atomic_##op##_return##suffix(int, atomic##suffix##_t *); \ -+long atomic64_##op##_return##suffix(long, atomic64##suffix##_t *); -+ -+#define ATOMIC_OP_RETURN(op) __ATOMIC_OP_RETURN(op, ) __ATOMIC_OP_RETURN(op, _unchecked) - - #define ATOMIC_FETCH_OP(op) \ - int atomic_fetch_##op(int, atomic_t *); \ -@@ -47,13 +67,23 @@ ATOMIC_OPS(xor) - #undef ATOMIC_OPS - #undef ATOMIC_FETCH_OP - #undef ATOMIC_OP_RETURN -+#undef __ATOMIC_OP_RETURN - #undef ATOMIC_OP -+#undef __ATOMIC_OP - - #define atomic_dec_return(v) atomic_sub_return(1, v) - #define atomic64_dec_return(v) atomic64_sub_return(1, v) - - #define atomic_inc_return(v) atomic_add_return(1, v) -+static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_add_return_unchecked(1, v); -+} - #define atomic64_inc_return(v) atomic64_add_return(1, v) -+static inline long atomic64_inc_return_unchecked(atomic64_unchecked_t *v) -+{ -+ return atomic64_add_return_unchecked(1, v); -+} - - /* - * atomic_inc_and_test - increment and test -@@ -64,6 +94,10 @@ ATOMIC_OPS(xor) - * other cases. - */ - #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) -+static inline int atomic_inc_and_test_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_inc_return_unchecked(v) == 0; -+} - #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0) - - #define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0) -@@ -73,25 +107,60 @@ ATOMIC_OPS(xor) - #define atomic64_dec_and_test(v) (atomic64_sub_return(1, v) == 0) - - #define atomic_inc(v) atomic_add(1, v) -+static inline void atomic_inc_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_add_unchecked(1, v); -+} - #define atomic64_inc(v) atomic64_add(1, v) -+static inline void atomic64_inc_unchecked(atomic64_unchecked_t *v) -+{ -+ atomic64_add_unchecked(1, v); -+} - - #define atomic_dec(v) atomic_sub(1, v) -+static inline void atomic_dec_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_sub_unchecked(1, v); -+} - #define atomic64_dec(v) atomic64_sub(1, v) -+static inline void atomic64_dec_unchecked(atomic64_unchecked_t *v) -+{ -+ atomic64_sub_unchecked(1, v); -+} - - #define atomic_add_negative(i, v) (atomic_add_return(i, v) < 0) - #define atomic64_add_negative(i, v) (atomic64_add_return(i, v) < 0) - - #define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) -+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new) -+{ -+ return cmpxchg(&v->counter, old, new); -+} - #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) -+static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new) -+{ -+ return xchg(&v->counter, new); -+} - - static inline int __atomic_add_unless(atomic_t *v, int a, int u) - { -- int c, old; -+ int c, old, new; - c = atomic_read(v); - for (;;) { -- if (unlikely(c == (u))) -+ if (unlikely(c == u)) - break; -- old = atomic_cmpxchg((v), c, c + (a)); -+ -+ asm volatile("addcc %2, %0, %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "tvs %%icc, 6\n" -+#endif -+ -+ : "=r" (new) -+ : "0" (c), "ir" (a) -+ : "cc"); -+ -+ old = atomic_cmpxchg(v, c, new); - if (likely(old == c)) - break; - c = old; -@@ -101,21 +170,42 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u) - - #define atomic64_cmpxchg(v, o, n) \ - ((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n))) -+static inline long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long old, -+ long new) -+{ -+ return cmpxchg(&(v->counter), old, new); -+} -+ - #define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) -+static inline long atomic64_xchg_unchecked(atomic64_unchecked_t *v, long new) -+{ -+ return xchg(&v->counter, new); -+} - - static inline long atomic64_add_unless(atomic64_t *v, long a, long u) - { -- long c, old; -+ long c, old, new; - c = atomic64_read(v); - for (;;) { -- if (unlikely(c == (u))) -+ if (unlikely(c == u)) - break; -- old = atomic64_cmpxchg((v), c, c + (a)); -+ -+ asm volatile("addcc %2, %0, %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "tvs %%xcc, 6\n" -+#endif -+ -+ : "=r" (new) -+ : "0" (c), "ir" (a) -+ : "cc"); -+ -+ old = atomic64_cmpxchg(v, c, new); - if (likely(old == c)) - break; - c = old; - } -- return c != (u); -+ return c != u; - } - - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) -diff --git a/arch/sparc/include/asm/cache.h b/arch/sparc/include/asm/cache.h -index 5bb6991..5c2132e 100644 ---- a/arch/sparc/include/asm/cache.h -+++ b/arch/sparc/include/asm/cache.h -@@ -7,10 +7,12 @@ - #ifndef _SPARC_CACHE_H - #define _SPARC_CACHE_H - -+#include -+ - #define ARCH_SLAB_MINALIGN __alignof__(unsigned long long) - - #define L1_CACHE_SHIFT 5 --#define L1_CACHE_BYTES 32 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #ifdef CONFIG_SPARC32 - #define SMP_CACHE_BYTES_SHIFT 5 -diff --git a/arch/sparc/include/asm/elf_32.h b/arch/sparc/include/asm/elf_32.h -index a24e41f..47677ff 100644 ---- a/arch/sparc/include/asm/elf_32.h -+++ b/arch/sparc/include/asm/elf_32.h -@@ -114,6 +114,13 @@ typedef struct { - - #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE 0x10000UL -+ -+#define PAX_DELTA_MMAP_LEN 16 -+#define PAX_DELTA_STACK_LEN 16 -+#endif -+ - /* This yields a mask that user programs can use to figure out what - instruction set this cpu supports. This can NOT be done in userspace - on Sparc. */ -diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h -index 3f2d403..4385ed9 100644 ---- a/arch/sparc/include/asm/elf_64.h -+++ b/arch/sparc/include/asm/elf_64.h -@@ -190,6 +190,13 @@ typedef struct { - #define ELF_ET_DYN_BASE 0x0000010000000000UL - #define COMPAT_ELF_ET_DYN_BASE 0x0000000070000000UL - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (test_thread_flag(TIF_32BIT) ? 0x10000UL : 0x100000UL) -+ -+#define PAX_DELTA_MMAP_LEN (test_thread_flag(TIF_32BIT) ? 14 : 28) -+#define PAX_DELTA_STACK_LEN (test_thread_flag(TIF_32BIT) ? 15 : 29) -+#endif -+ - extern unsigned long sparc64_elf_hwcap; - #define ELF_HWCAP sparc64_elf_hwcap - -diff --git a/arch/sparc/include/asm/pgalloc_32.h b/arch/sparc/include/asm/pgalloc_32.h -index 0346c7e..c5c25b9 100644 ---- a/arch/sparc/include/asm/pgalloc_32.h -+++ b/arch/sparc/include/asm/pgalloc_32.h -@@ -35,6 +35,7 @@ static inline void pgd_set(pgd_t * pgdp, pmd_t * pmdp) - } - - #define pgd_populate(MM, PGD, PMD) pgd_set(PGD, PMD) -+#define pgd_populate_kernel(MM, PGD, PMD) pgd_populate((MM), (PGD), (PMD)) - - static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, - unsigned long address) -diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h -index 3529f13..d98a28c 100644 ---- a/arch/sparc/include/asm/pgalloc_64.h -+++ b/arch/sparc/include/asm/pgalloc_64.h -@@ -21,6 +21,7 @@ static inline void __pgd_populate(pgd_t *pgd, pud_t *pud) - } - - #define pgd_populate(MM, PGD, PUD) __pgd_populate(PGD, PUD) -+#define pgd_populate_kernel(MM, PGD, PMD) pgd_populate((MM), (PGD), (PMD)) - - static inline pgd_t *pgd_alloc(struct mm_struct *mm) - { -@@ -38,6 +39,7 @@ static inline void __pud_populate(pud_t *pud, pmd_t *pmd) - } - - #define pud_populate(MM, PUD, PMD) __pud_populate(PUD, PMD) -+#define pud_populate_kernel(MM, PUD, PMD) pud_populate((MM), (PUD), (PMD)) - - static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) - { -diff --git a/arch/sparc/include/asm/pgtable.h b/arch/sparc/include/asm/pgtable.h -index 59ba6f6..4518128 100644 ---- a/arch/sparc/include/asm/pgtable.h -+++ b/arch/sparc/include/asm/pgtable.h -@@ -5,4 +5,8 @@ - #else - #include - #endif -+ -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - #endif -diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h -index ce6f569..593b043 100644 ---- a/arch/sparc/include/asm/pgtable_32.h -+++ b/arch/sparc/include/asm/pgtable_32.h -@@ -51,6 +51,9 @@ unsigned long __init bootmem_init(unsigned long *pages_avail); - #define PAGE_SHARED SRMMU_PAGE_SHARED - #define PAGE_COPY SRMMU_PAGE_COPY - #define PAGE_READONLY SRMMU_PAGE_RDONLY -+#define PAGE_SHARED_NOEXEC SRMMU_PAGE_SHARED_NOEXEC -+#define PAGE_COPY_NOEXEC SRMMU_PAGE_COPY_NOEXEC -+#define PAGE_READONLY_NOEXEC SRMMU_PAGE_RDONLY_NOEXEC - #define PAGE_KERNEL SRMMU_PAGE_KERNEL - - /* Top-level page directory - dummy used by init-mm. -@@ -63,18 +66,18 @@ extern unsigned long ptr_in_current_pgd; - - /* xwr */ - #define __P000 PAGE_NONE --#define __P001 PAGE_READONLY --#define __P010 PAGE_COPY --#define __P011 PAGE_COPY -+#define __P001 PAGE_READONLY_NOEXEC -+#define __P010 PAGE_COPY_NOEXEC -+#define __P011 PAGE_COPY_NOEXEC - #define __P100 PAGE_READONLY - #define __P101 PAGE_READONLY - #define __P110 PAGE_COPY - #define __P111 PAGE_COPY - - #define __S000 PAGE_NONE --#define __S001 PAGE_READONLY --#define __S010 PAGE_SHARED --#define __S011 PAGE_SHARED -+#define __S001 PAGE_READONLY_NOEXEC -+#define __S010 PAGE_SHARED_NOEXEC -+#define __S011 PAGE_SHARED_NOEXEC - #define __S100 PAGE_READONLY - #define __S101 PAGE_READONLY - #define __S110 PAGE_SHARED -diff --git a/arch/sparc/include/asm/pgtsrmmu.h b/arch/sparc/include/asm/pgtsrmmu.h -index ae51a11..eadfd03 100644 ---- a/arch/sparc/include/asm/pgtsrmmu.h -+++ b/arch/sparc/include/asm/pgtsrmmu.h -@@ -111,6 +111,11 @@ - SRMMU_EXEC | SRMMU_REF) - #define SRMMU_PAGE_RDONLY __pgprot(SRMMU_VALID | SRMMU_CACHE | \ - SRMMU_EXEC | SRMMU_REF) -+ -+#define SRMMU_PAGE_SHARED_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_WRITE | SRMMU_REF) -+#define SRMMU_PAGE_COPY_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_REF) -+#define SRMMU_PAGE_RDONLY_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_REF) -+ - #define SRMMU_PAGE_KERNEL __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_PRIV | \ - SRMMU_DIRTY | SRMMU_REF) - -diff --git a/arch/sparc/include/asm/setup.h b/arch/sparc/include/asm/setup.h -index 29d64b1..4272fe8 100644 ---- a/arch/sparc/include/asm/setup.h -+++ b/arch/sparc/include/asm/setup.h -@@ -55,8 +55,8 @@ int handle_ldf_stq(u32 insn, struct pt_regs *regs); - void handle_ld_nf(u32 insn, struct pt_regs *regs); - - /* init_64.c */ --extern atomic_t dcpage_flushes; --extern atomic_t dcpage_flushes_xcall; -+extern atomic_unchecked_t dcpage_flushes; -+extern atomic_unchecked_t dcpage_flushes_xcall; - - extern int sysctl_tsb_ratio; - #endif -diff --git a/arch/sparc/include/asm/spinlock_64.h b/arch/sparc/include/asm/spinlock_64.h -index 07c9f2e..352fff0 100644 ---- a/arch/sparc/include/asm/spinlock_64.h -+++ b/arch/sparc/include/asm/spinlock_64.h -@@ -103,7 +103,12 @@ static inline void arch_read_lock(arch_rwlock_t *lock) - __asm__ __volatile__ ( - "1: ldsw [%2], %0\n" - " brlz,pn %0, 2f\n" --"4: add %0, 1, %1\n" -+"4: addcc %0, 1, %1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" tvs %%icc, 6\n" -+#endif -+ - " cas [%2], %0, %1\n" - " cmp %0, %1\n" - " bne,pn %%icc, 1b\n" -@@ -116,7 +121,7 @@ static inline void arch_read_lock(arch_rwlock_t *lock) - " .previous" - : "=&r" (tmp1), "=&r" (tmp2) - : "r" (lock) -- : "memory"); -+ : "memory", "cc"); - } - - static inline int arch_read_trylock(arch_rwlock_t *lock) -@@ -127,7 +132,12 @@ static inline int arch_read_trylock(arch_rwlock_t *lock) - "1: ldsw [%2], %0\n" - " brlz,a,pn %0, 2f\n" - " mov 0, %0\n" --" add %0, 1, %1\n" -+" addcc %0, 1, %1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" tvs %%icc, 6\n" -+#endif -+ - " cas [%2], %0, %1\n" - " cmp %0, %1\n" - " bne,pn %%icc, 1b\n" -@@ -146,7 +156,12 @@ static inline void arch_read_unlock(arch_rwlock_t *lock) - - __asm__ __volatile__( - "1: lduw [%2], %0\n" --" sub %0, 1, %1\n" -+" subcc %0, 1, %1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" tvs %%icc, 6\n" -+#endif -+ - " cas [%2], %0, %1\n" - " cmp %0, %1\n" - " bne,pn %%xcc, 1b\n" -diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h -index 229475f..2fca9163 100644 ---- a/arch/sparc/include/asm/thread_info_32.h -+++ b/arch/sparc/include/asm/thread_info_32.h -@@ -48,6 +48,7 @@ struct thread_info { - struct reg_window32 reg_window[NSWINS]; /* align for ldd! */ - unsigned long rwbuf_stkptrs[NSWINS]; - unsigned long w_saved; -+ unsigned long lowest_stack; - }; - - /* -diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h -index 3d7b925..493ce82 100644 ---- a/arch/sparc/include/asm/thread_info_64.h -+++ b/arch/sparc/include/asm/thread_info_64.h -@@ -59,6 +59,8 @@ struct thread_info { - struct pt_regs *kern_una_regs; - unsigned int kern_una_insn; - -+ unsigned long lowest_stack; -+ - unsigned long fpregs[(7 * 256) / sizeof(unsigned long)] - __attribute__ ((aligned(64))); - }; -@@ -180,12 +182,13 @@ register struct thread_info *current_thread_info_reg asm("g6"); - #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ - /* flag bit 4 is available */ - #define TIF_UNALIGNED 5 /* allowed to do unaligned accesses */ --/* flag bit 6 is available */ -+#define TIF_GRSEC_SETXID 6 /* update credentials on syscall entry/exit */ - #define TIF_32BIT 7 /* 32-bit binary */ - #define TIF_NOHZ 8 /* in adaptive nohz mode */ - #define TIF_SECCOMP 9 /* secure computing */ - #define TIF_SYSCALL_AUDIT 10 /* syscall auditing active */ - #define TIF_SYSCALL_TRACEPOINT 11 /* syscall tracepoint instrumentation */ -+ - /* NOTE: Thread flags >= 12 should be ones we have no interest - * in using in assembly, else we can't use the mask as - * an immediate value in instructions such as andcc. -@@ -205,12 +208,17 @@ register struct thread_info *current_thread_info_reg asm("g6"); - #define _TIF_SYSCALL_AUDIT (1< - #else -diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h -index ea55f86..dbf15cf 100644 ---- a/arch/sparc/include/asm/uaccess_32.h -+++ b/arch/sparc/include/asm/uaccess_32.h -@@ -47,6 +47,7 @@ - #define __user_ok(addr, size) ({ (void)(size); (addr) < STACK_TOP; }) - #define __kernel_ok (segment_eq(get_fs(), KERNEL_DS)) - #define __access_ok(addr, size) (__user_ok((addr) & get_fs().seg, (size))) -+#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size)) - #define access_ok(type, addr, size) \ - ({ (void)(type); __access_ok((unsigned long)(addr), size); }) - -@@ -248,6 +249,9 @@ unsigned long __copy_user(void __user *to, const void __user *from, unsigned lon - - static inline unsigned long copy_to_user(void __user *to, const void *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - if (n && __access_ok((unsigned long) to, n)) { - check_object_size(from, n, true); - return __copy_user(to, (__force void __user *) from, n); -@@ -257,12 +261,18 @@ static inline unsigned long copy_to_user(void __user *to, const void *from, unsi - - static inline unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - check_object_size(from, n, true); - return __copy_user(to, (__force void __user *) from, n); - } - - static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - if (n && __access_ok((unsigned long) from, n)) { - check_object_size(to, n, false); - return __copy_user((__force void __user *) to, from, n); -@@ -274,6 +284,9 @@ static inline unsigned long copy_from_user(void *to, const void __user *from, un - - static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - return __copy_user((__force void __user *) to, from, n); - } - -diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h -index 5373136..c528f7e 100644 ---- a/arch/sparc/include/asm/uaccess_64.h -+++ b/arch/sparc/include/asm/uaccess_64.h -@@ -10,6 +10,7 @@ - #include - #include - #include -+#include - #include - #include - #include -@@ -77,6 +78,11 @@ static inline int __access_ok(const void __user * addr, unsigned long size) - return 1; - } - -+static inline int access_ok_noprefault(int type, const void __user * addr, unsigned long size) -+{ -+ return 1; -+} -+ - static inline int access_ok(int type, const void __user * addr, unsigned long size) - { - return 1; -@@ -191,6 +197,9 @@ unsigned long __must_check ___copy_from_user(void *to, - static inline unsigned long __must_check - copy_from_user(void *to, const void __user *from, unsigned long size) - { -+ if ((long)size < 0 || size > INT_MAX) -+ return size; -+ - check_object_size(to, size, false); - - return ___copy_from_user(to, from, size); -@@ -203,6 +212,9 @@ unsigned long __must_check ___copy_to_user(void __user *to, - static inline unsigned long __must_check - copy_to_user(void __user *to, const void *from, unsigned long size) - { -+ if ((long)size < 0 || size > INT_MAX) -+ return size; -+ - check_object_size(from, size, true); - - return ___copy_to_user(to, from, size); -diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile -index fa3c02d..c9a6309 100644 ---- a/arch/sparc/kernel/Makefile -+++ b/arch/sparc/kernel/Makefile -@@ -4,7 +4,7 @@ - # - - asflags-y := -ansi --ccflags-y := -Werror -+#ccflags-y := -Werror - - extra-y := head_$(BITS).o - -diff --git a/arch/sparc/kernel/kprobes.c b/arch/sparc/kernel/kprobes.c -index b0377db..1da3b53 100644 ---- a/arch/sparc/kernel/kprobes.c -+++ b/arch/sparc/kernel/kprobes.c -@@ -499,6 +499,7 @@ int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs) - * value kept in ri->ret_addr so we don't need to keep adjusting it - * back and forth. - */ -+#ifdef CONFIG_KRETPROBES - void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, - struct pt_regs *regs) - { -@@ -508,6 +509,7 @@ void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, - regs->u_regs[UREG_RETPC] = - ((unsigned long)kretprobe_trampoline) - 8; - } -+#endif - - /* - * Called when the probe at kretprobe trampoline is hit -diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c -index b7780a5..28315f0 100644 ---- a/arch/sparc/kernel/process_32.c -+++ b/arch/sparc/kernel/process_32.c -@@ -123,14 +123,14 @@ void show_regs(struct pt_regs *r) - - printk("PSR: %08lx PC: %08lx NPC: %08lx Y: %08lx %s\n", - r->psr, r->pc, r->npc, r->y, print_tainted()); -- printk("PC: <%pS>\n", (void *) r->pc); -+ printk("PC: <%pA>\n", (void *) r->pc); - printk("%%G: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n", - r->u_regs[0], r->u_regs[1], r->u_regs[2], r->u_regs[3], - r->u_regs[4], r->u_regs[5], r->u_regs[6], r->u_regs[7]); - printk("%%O: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n", - r->u_regs[8], r->u_regs[9], r->u_regs[10], r->u_regs[11], - r->u_regs[12], r->u_regs[13], r->u_regs[14], r->u_regs[15]); -- printk("RPC: <%pS>\n", (void *) r->u_regs[15]); -+ printk("RPC: <%pA>\n", (void *) r->u_regs[15]); - - printk("%%L: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n", - rw->locals[0], rw->locals[1], rw->locals[2], rw->locals[3], -@@ -167,7 +167,7 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp) - rw = (struct reg_window32 *) fp; - pc = rw->ins[7]; - printk("[%08lx : ", pc); -- printk("%pS ] ", (void *) pc); -+ printk("%pA ] ", (void *) pc); - fp = rw->ins[6]; - } while (++count < 16); - printk("\n"); -diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c -index 47ff558..2333c8a 100644 ---- a/arch/sparc/kernel/process_64.c -+++ b/arch/sparc/kernel/process_64.c -@@ -161,7 +161,7 @@ static void show_regwindow(struct pt_regs *regs) - printk("i4: %016lx i5: %016lx i6: %016lx i7: %016lx\n", - rwk->ins[4], rwk->ins[5], rwk->ins[6], rwk->ins[7]); - if (regs->tstate & TSTATE_PRIV) -- printk("I7: <%pS>\n", (void *) rwk->ins[7]); -+ printk("I7: <%pA>\n", (void *) rwk->ins[7]); - } - - void show_regs(struct pt_regs *regs) -@@ -170,7 +170,7 @@ void show_regs(struct pt_regs *regs) - - printk("TSTATE: %016lx TPC: %016lx TNPC: %016lx Y: %08x %s\n", regs->tstate, - regs->tpc, regs->tnpc, regs->y, print_tainted()); -- printk("TPC: <%pS>\n", (void *) regs->tpc); -+ printk("TPC: <%pA>\n", (void *) regs->tpc); - printk("g0: %016lx g1: %016lx g2: %016lx g3: %016lx\n", - regs->u_regs[0], regs->u_regs[1], regs->u_regs[2], - regs->u_regs[3]); -@@ -183,7 +183,7 @@ void show_regs(struct pt_regs *regs) - printk("o4: %016lx o5: %016lx sp: %016lx ret_pc: %016lx\n", - regs->u_regs[12], regs->u_regs[13], regs->u_regs[14], - regs->u_regs[15]); -- printk("RPC: <%pS>\n", (void *) regs->u_regs[15]); -+ printk("RPC: <%pA>\n", (void *) regs->u_regs[15]); - show_regwindow(regs); - show_stack(current, (unsigned long *) regs->u_regs[UREG_FP]); - } -@@ -278,7 +278,7 @@ void arch_trigger_cpumask_backtrace(const cpumask_t *mask, bool exclude_self) - ((tp && tp->task) ? tp->task->pid : -1)); - - if (gp->tstate & TSTATE_PRIV) { -- printk(" TPC[%pS] O7[%pS] I7[%pS] RPC[%pS]\n", -+ printk(" TPC[%pA] O7[%pA] I7[%pA] RPC[%pA]\n", - (void *) gp->tpc, - (void *) gp->o7, - (void *) gp->i7, -diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c -index 79cc0d1..46d6233 100644 ---- a/arch/sparc/kernel/prom_common.c -+++ b/arch/sparc/kernel/prom_common.c -@@ -144,7 +144,7 @@ static int __init prom_common_nextprop(phandle node, char *prev, char *buf) - - unsigned int prom_early_allocated __initdata; - --static struct of_pdt_ops prom_sparc_ops __initdata = { -+static const struct of_pdt_ops prom_sparc_ops __initconst = { - .nextprop = prom_common_nextprop, - .getproplen = prom_getproplen, - .getproperty = prom_getproperty, -diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c -index 7037ca3..070b51b 100644 ---- a/arch/sparc/kernel/ptrace_64.c -+++ b/arch/sparc/kernel/ptrace_64.c -@@ -1068,6 +1068,10 @@ long arch_ptrace(struct task_struct *child, long request, - return ret; - } - -+#ifdef CONFIG_GRKERNSEC_SETXID -+extern void gr_delayed_cred_worker(void); -+#endif -+ - asmlinkage int syscall_trace_enter(struct pt_regs *regs) - { - int ret = 0; -@@ -1078,6 +1082,11 @@ asmlinkage int syscall_trace_enter(struct pt_regs *regs) - if (test_thread_flag(TIF_NOHZ)) - user_exit(); - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - if (test_thread_flag(TIF_SYSCALL_TRACE)) - ret = tracehook_report_syscall_entry(regs); - -@@ -1096,6 +1105,11 @@ asmlinkage void syscall_trace_leave(struct pt_regs *regs) - if (test_thread_flag(TIF_NOHZ)) - user_exit(); - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - audit_syscall_exit(regs); - - if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) -diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c -index 8182f7c..a5ab37f 100644 ---- a/arch/sparc/kernel/smp_64.c -+++ b/arch/sparc/kernel/smp_64.c -@@ -895,7 +895,7 @@ void smp_flush_dcache_page_impl(struct page *page, int cpu) - return; - - #ifdef CONFIG_DEBUG_DCFLUSH -- atomic_inc(&dcpage_flushes); -+ atomic_inc_unchecked(&dcpage_flushes); - #endif - - this_cpu = get_cpu(); -@@ -919,7 +919,7 @@ void smp_flush_dcache_page_impl(struct page *page, int cpu) - xcall_deliver(data0, __pa(pg_addr), - (u64) pg_addr, cpumask_of(cpu)); - #ifdef CONFIG_DEBUG_DCFLUSH -- atomic_inc(&dcpage_flushes_xcall); -+ atomic_inc_unchecked(&dcpage_flushes_xcall); - #endif - } - } -@@ -938,7 +938,7 @@ void flush_dcache_page_all(struct mm_struct *mm, struct page *page) - preempt_disable(); - - #ifdef CONFIG_DEBUG_DCFLUSH -- atomic_inc(&dcpage_flushes); -+ atomic_inc_unchecked(&dcpage_flushes); - #endif - data0 = 0; - pg_addr = page_address(page); -@@ -955,7 +955,7 @@ void flush_dcache_page_all(struct mm_struct *mm, struct page *page) - xcall_deliver(data0, __pa(pg_addr), - (u64) pg_addr, cpu_online_mask); - #ifdef CONFIG_DEBUG_DCFLUSH -- atomic_inc(&dcpage_flushes_xcall); -+ atomic_inc_unchecked(&dcpage_flushes_xcall); - #endif - } - __local_flush_dcache_page(page); -diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c -index 646988d..b88905f 100644 ---- a/arch/sparc/kernel/sys_sparc_32.c -+++ b/arch/sparc/kernel/sys_sparc_32.c -@@ -54,7 +54,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - if (len > TASK_SIZE - PAGE_SIZE) - return -ENOMEM; - if (!addr) -- addr = TASK_UNMAPPED_BASE; -+ addr = current->mm->mmap_base; - - info.flags = 0; - info.length = len; -diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c -index fe8b8ee..3f17a96 100644 ---- a/arch/sparc/kernel/sys_sparc_64.c -+++ b/arch/sparc/kernel/sys_sparc_64.c -@@ -89,13 +89,14 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - struct vm_area_struct * vma; - unsigned long task_size = TASK_SIZE; - int do_color_align; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - if (flags & MAP_FIXED) { - /* We do not accept a shared mapping if it would violate - * cache aliasing constraints. - */ -- if ((flags & MAP_SHARED) && -+ if ((filp || (flags & MAP_SHARED)) && - ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1))) - return -EINVAL; - return addr; -@@ -110,6 +111,10 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - if (filp || (flags & MAP_SHARED)) - do_color_align = 1; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_color_align) - addr = COLOR_ALIGN(addr, pgoff); -@@ -117,22 +122,28 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (task_size - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - - info.flags = 0; - info.length = len; -- info.low_limit = TASK_UNMAPPED_BASE; -+ info.low_limit = mm->mmap_base; - info.high_limit = min(task_size, VA_EXCLUDE_START); - info.align_mask = do_color_align ? (PAGE_MASK & (SHMLBA - 1)) : 0; - info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - if ((addr & ~PAGE_MASK) && task_size > VA_EXCLUDE_END) { - VM_BUG_ON(addr != -ENOMEM); - info.low_limit = VA_EXCLUDE_END; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap; -+#endif -+ - info.high_limit = task_size; - addr = vm_unmapped_area(&info); - } -@@ -141,15 +152,16 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - } - - unsigned long --arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, -- const unsigned long len, const unsigned long pgoff, -- const unsigned long flags) -+arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr0, -+ unsigned long len, unsigned long pgoff, -+ unsigned long flags) - { - struct vm_area_struct *vma; - struct mm_struct *mm = current->mm; - unsigned long task_size = STACK_TOP32; - unsigned long addr = addr0; - int do_color_align; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - /* This should only ever run for 32-bit processes. */ -@@ -159,7 +171,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - /* We do not accept a shared mapping if it would violate - * cache aliasing constraints. - */ -- if ((flags & MAP_SHARED) && -+ if ((filp || (flags & MAP_SHARED)) && - ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1))) - return -EINVAL; - return addr; -@@ -172,6 +184,10 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - if (filp || (flags & MAP_SHARED)) - do_color_align = 1; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - /* requesting a specific address */ - if (addr) { - if (do_color_align) -@@ -180,8 +196,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (task_size - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -191,6 +206,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - info.high_limit = mm->mmap_base; - info.align_mask = do_color_align ? (PAGE_MASK & (SHMLBA - 1)) : 0; - info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - /* -@@ -203,6 +219,12 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - VM_BUG_ON(addr != -ENOMEM); - info.flags = 0; - info.low_limit = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap; -+#endif -+ - info.high_limit = STACK_TOP32; - addr = vm_unmapped_area(&info); - } -@@ -259,10 +281,14 @@ unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr, u - EXPORT_SYMBOL(get_fb_unmapped_area); - - /* Essentially the same as PowerPC. */ --static unsigned long mmap_rnd(void) -+static unsigned long mmap_rnd(struct mm_struct *mm) - { - unsigned long rnd = 0UL; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (current->flags & PF_RANDOMIZE) { - unsigned long val = get_random_long(); - if (test_thread_flag(TIF_32BIT)) -@@ -275,7 +301,7 @@ static unsigned long mmap_rnd(void) - - void arch_pick_mmap_layout(struct mm_struct *mm) - { -- unsigned long random_factor = mmap_rnd(); -+ unsigned long random_factor = mmap_rnd(mm); - unsigned long gap; - - /* -@@ -288,6 +314,12 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - gap == RLIM_INFINITY || - sysctl_legacy_va_layout) { - mm->mmap_base = TASK_UNMAPPED_BASE + random_factor; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area; - } else { - /* We know it's 32-bit */ -@@ -299,6 +331,12 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - gap = (task_size / 6 * 5); - - mm->mmap_base = PAGE_ALIGN(task_size - gap - random_factor); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - } - } -diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S -index c4a1b5c..c5e0ef3 100644 ---- a/arch/sparc/kernel/syscalls.S -+++ b/arch/sparc/kernel/syscalls.S -@@ -62,7 +62,7 @@ sys32_rt_sigreturn: - #endif - .align 32 - 1: ldx [%g6 + TI_FLAGS], %l5 -- andcc %l5, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT|_TIF_NOHZ), %g0 -+ andcc %l5, _TIF_WORK_SYSCALL, %g0 - be,pt %icc, rtrap - nop - call syscall_trace_leave -@@ -230,7 +230,7 @@ linux_sparc_syscall32: - - srl %i3, 0, %o3 ! IEU0 - srl %i2, 0, %o2 ! IEU0 Group -- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT|_TIF_NOHZ), %g0 -+ andcc %l0, _TIF_WORK_SYSCALL, %g0 - bne,pn %icc, linux_syscall_trace32 ! CTI - mov %i0, %l5 ! IEU1 - 5: call %l7 ! CTI Group brk forced -@@ -254,7 +254,7 @@ linux_sparc_syscall: - - mov %i3, %o3 ! IEU1 - mov %i4, %o4 ! IEU0 Group -- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT|_TIF_NOHZ), %g0 -+ andcc %l0, _TIF_WORK_SYSCALL, %g0 - bne,pn %icc, linux_syscall_trace ! CTI Group - mov %i0, %l5 ! IEU0 - 2: call %l7 ! CTI Group brk forced -@@ -269,7 +269,7 @@ ret_sys_call: - - cmp %o0, -ERESTART_RESTARTBLOCK - bgeu,pn %xcc, 1f -- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT|_TIF_NOHZ), %g0 -+ andcc %l0, _TIF_WORK_SYSCALL, %g0 - ldx [%sp + PTREGS_OFF + PT_V9_TNPC], %l1 ! pc = npc - - 2: -diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c -index 4f21df7..0a374da 100644 ---- a/arch/sparc/kernel/traps_32.c -+++ b/arch/sparc/kernel/traps_32.c -@@ -44,6 +44,8 @@ static void instruction_dump(unsigned long *pc) - #define __SAVE __asm__ __volatile__("save %sp, -0x40, %sp\n\t") - #define __RESTORE __asm__ __volatile__("restore %g0, %g0, %g0\n\t") - -+extern void gr_handle_kernel_exploit(void); -+ - void __noreturn die_if_kernel(char *str, struct pt_regs *regs) - { - static int die_counter; -@@ -76,15 +78,17 @@ void __noreturn die_if_kernel(char *str, struct pt_regs *regs) - count++ < 30 && - (((unsigned long) rw) >= PAGE_OFFSET) && - !(((unsigned long) rw) & 0x7)) { -- printk("Caller[%08lx]: %pS\n", rw->ins[7], -+ printk("Caller[%08lx]: %pA\n", rw->ins[7], - (void *) rw->ins[7]); - rw = (struct reg_window32 *)rw->ins[6]; - } - } - printk("Instruction DUMP:"); - instruction_dump ((unsigned long *) regs->pc); -- if(regs->psr & PSR_PS) -+ if(regs->psr & PSR_PS) { -+ gr_handle_kernel_exploit(); - do_exit(SIGKILL); -+ } - do_exit(SIGSEGV); - } - -diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c -index 4094a51..4a360da 100644 ---- a/arch/sparc/kernel/traps_64.c -+++ b/arch/sparc/kernel/traps_64.c -@@ -79,7 +79,7 @@ static void dump_tl1_traplog(struct tl1_traplog *p) - i + 1, - p->trapstack[i].tstate, p->trapstack[i].tpc, - p->trapstack[i].tnpc, p->trapstack[i].tt); -- printk("TRAPLOG: TPC<%pS>\n", (void *) p->trapstack[i].tpc); -+ printk("TRAPLOG: TPC<%pA>\n", (void *) p->trapstack[i].tpc); - } - } - -@@ -99,6 +99,12 @@ void bad_trap(struct pt_regs *regs, long lvl) - - lvl -= 0x100; - if (regs->tstate & TSTATE_PRIV) { -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ if (lvl == 6) -+ pax_report_refcount_error(regs, NULL); -+#endif -+ - sprintf(buffer, "Kernel bad sw trap %lx", lvl); - die_if_kernel(buffer, regs); - } -@@ -117,11 +123,16 @@ void bad_trap(struct pt_regs *regs, long lvl) - void bad_trap_tl1(struct pt_regs *regs, long lvl) - { - char buffer[32]; -- -+ - if (notify_die(DIE_TRAP_TL1, "bad trap tl1", regs, - 0, lvl, SIGTRAP) == NOTIFY_STOP) - return; - -+#ifdef CONFIG_PAX_REFCOUNT -+ if (lvl == 6) -+ pax_report_refcount_error(regs, NULL); -+#endif -+ - dump_tl1_traplog((struct tl1_traplog *)(regs + 1)); - - sprintf (buffer, "Bad trap %lx at tl>0", lvl); -@@ -1151,7 +1162,7 @@ static void cheetah_log_errors(struct pt_regs *regs, struct cheetah_err_info *in - regs->tpc, regs->tnpc, regs->u_regs[UREG_I7], regs->tstate); - printk("%s" "ERROR(%d): ", - (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id()); -- printk("TPC<%pS>\n", (void *) regs->tpc); -+ printk("TPC<%pA>\n", (void *) regs->tpc); - printk("%s" "ERROR(%d): M_SYND(%lx), E_SYND(%lx)%s%s\n", - (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(), - (afsr & CHAFSR_M_SYNDROME) >> CHAFSR_M_SYNDROME_SHIFT, -@@ -1758,7 +1769,7 @@ void cheetah_plus_parity_error(int type, struct pt_regs *regs) - smp_processor_id(), - (type & 0x1) ? 'I' : 'D', - regs->tpc); -- printk(KERN_EMERG "TPC<%pS>\n", (void *) regs->tpc); -+ printk(KERN_EMERG "TPC<%pA>\n", (void *) regs->tpc); - panic("Irrecoverable Cheetah+ parity error."); - } - -@@ -1766,7 +1777,7 @@ void cheetah_plus_parity_error(int type, struct pt_regs *regs) - smp_processor_id(), - (type & 0x1) ? 'I' : 'D', - regs->tpc); -- printk(KERN_WARNING "TPC<%pS>\n", (void *) regs->tpc); -+ printk(KERN_WARNING "TPC<%pA>\n", (void *) regs->tpc); - } - - struct sun4v_error_entry { -@@ -1839,8 +1850,8 @@ struct sun4v_error_entry { - /*0x38*/u64 reserved_5; - }; - --static atomic_t sun4v_resum_oflow_cnt = ATOMIC_INIT(0); --static atomic_t sun4v_nonresum_oflow_cnt = ATOMIC_INIT(0); -+static atomic_unchecked_t sun4v_resum_oflow_cnt = ATOMIC_INIT(0); -+static atomic_unchecked_t sun4v_nonresum_oflow_cnt = ATOMIC_INIT(0); - - static const char *sun4v_err_type_to_str(u8 type) - { -@@ -1932,7 +1943,7 @@ static void sun4v_report_real_raddr(const char *pfx, struct pt_regs *regs) - } - - static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent, -- int cpu, const char *pfx, atomic_t *ocnt) -+ int cpu, const char *pfx, atomic_unchecked_t *ocnt) - { - u64 *raw_ptr = (u64 *) ent; - u32 attrs; -@@ -1990,8 +2001,8 @@ static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent, - - show_regs(regs); - -- if ((cnt = atomic_read(ocnt)) != 0) { -- atomic_set(ocnt, 0); -+ if ((cnt = atomic_read_unchecked(ocnt)) != 0) { -+ atomic_set_unchecked(ocnt, 0); - wmb(); - printk("%s: Queue overflowed %d times.\n", - pfx, cnt); -@@ -2048,7 +2059,7 @@ void sun4v_resum_error(struct pt_regs *regs, unsigned long offset) - */ - void sun4v_resum_overflow(struct pt_regs *regs) - { -- atomic_inc(&sun4v_resum_oflow_cnt); -+ atomic_inc_unchecked(&sun4v_resum_oflow_cnt); - } - - /* We run with %pil set to PIL_NORMAL_MAX and PSTATE_IE enabled in %pstate. -@@ -2101,7 +2112,7 @@ void sun4v_nonresum_overflow(struct pt_regs *regs) - /* XXX Actually even this can make not that much sense. Perhaps - * XXX we should just pull the plug and panic directly from here? - */ -- atomic_inc(&sun4v_nonresum_oflow_cnt); -+ atomic_inc_unchecked(&sun4v_nonresum_oflow_cnt); - } - - static void sun4v_tlb_error(struct pt_regs *regs) -@@ -2120,9 +2131,9 @@ void sun4v_itlb_error_report(struct pt_regs *regs, int tl) - - printk(KERN_EMERG "SUN4V-ITLB: Error at TPC[%lx], tl %d\n", - regs->tpc, tl); -- printk(KERN_EMERG "SUN4V-ITLB: TPC<%pS>\n", (void *) regs->tpc); -+ printk(KERN_EMERG "SUN4V-ITLB: TPC<%pA>\n", (void *) regs->tpc); - printk(KERN_EMERG "SUN4V-ITLB: O7[%lx]\n", regs->u_regs[UREG_I7]); -- printk(KERN_EMERG "SUN4V-ITLB: O7<%pS>\n", -+ printk(KERN_EMERG "SUN4V-ITLB: O7<%pA>\n", - (void *) regs->u_regs[UREG_I7]); - printk(KERN_EMERG "SUN4V-ITLB: vaddr[%lx] ctx[%lx] " - "pte[%lx] error[%lx]\n", -@@ -2143,9 +2154,9 @@ void sun4v_dtlb_error_report(struct pt_regs *regs, int tl) - - printk(KERN_EMERG "SUN4V-DTLB: Error at TPC[%lx], tl %d\n", - regs->tpc, tl); -- printk(KERN_EMERG "SUN4V-DTLB: TPC<%pS>\n", (void *) regs->tpc); -+ printk(KERN_EMERG "SUN4V-DTLB: TPC<%pA>\n", (void *) regs->tpc); - printk(KERN_EMERG "SUN4V-DTLB: O7[%lx]\n", regs->u_regs[UREG_I7]); -- printk(KERN_EMERG "SUN4V-DTLB: O7<%pS>\n", -+ printk(KERN_EMERG "SUN4V-DTLB: O7<%pA>\n", - (void *) regs->u_regs[UREG_I7]); - printk(KERN_EMERG "SUN4V-DTLB: vaddr[%lx] ctx[%lx] " - "pte[%lx] error[%lx]\n", -@@ -2362,13 +2373,13 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp) - fp = (unsigned long)sf->fp + STACK_BIAS; - } - -- printk(" [%016lx] %pS\n", pc, (void *) pc); -+ printk(" [%016lx] %pA\n", pc, (void *) pc); - #ifdef CONFIG_FUNCTION_GRAPH_TRACER - if ((pc + 8UL) == (unsigned long) &return_to_handler) { - int index = tsk->curr_ret_stack; - if (tsk->ret_stack && index >= graph) { - pc = tsk->ret_stack[index - graph].ret; -- printk(" [%016lx] %pS\n", pc, (void *) pc); -+ printk(" [%016lx] %pA\n", pc, (void *) pc); - graph++; - } - } -@@ -2386,6 +2397,8 @@ static inline struct reg_window *kernel_stack_up(struct reg_window *rw) - return (struct reg_window *) (fp + STACK_BIAS); - } - -+extern void gr_handle_kernel_exploit(void); -+ - void __noreturn die_if_kernel(char *str, struct pt_regs *regs) - { - static int die_counter; -@@ -2414,7 +2427,7 @@ void __noreturn die_if_kernel(char *str, struct pt_regs *regs) - while (rw && - count++ < 30 && - kstack_valid(tp, (unsigned long) rw)) { -- printk("Caller[%016lx]: %pS\n", rw->ins[7], -+ printk("Caller[%016lx]: %pA\n", rw->ins[7], - (void *) rw->ins[7]); - - rw = kernel_stack_up(rw); -@@ -2429,8 +2442,10 @@ void __noreturn die_if_kernel(char *str, struct pt_regs *regs) - } - if (panic_on_oops) - panic("Fatal exception"); -- if (regs->tstate & TSTATE_PRIV) -+ if (regs->tstate & TSTATE_PRIV) { -+ gr_handle_kernel_exploit(); - do_exit(SIGKILL); -+ } - do_exit(SIGSEGV); - } - EXPORT_SYMBOL(die_if_kernel); -diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c -index 52c00d9..6f8aa4e 100644 ---- a/arch/sparc/kernel/unaligned_64.c -+++ b/arch/sparc/kernel/unaligned_64.c -@@ -297,7 +297,7 @@ static void log_unaligned(struct pt_regs *regs) - static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5); - - if (__ratelimit(&ratelimit)) { -- printk("Kernel unaligned access at TPC[%lx] %pS\n", -+ printk("Kernel unaligned access at TPC[%lx] %pA\n", - regs->tpc, (void *) regs->tpc); - } - } -diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile -index 69912d2..6c0c227 100644 ---- a/arch/sparc/lib/Makefile -+++ b/arch/sparc/lib/Makefile -@@ -2,7 +2,7 @@ - # - - asflags-y := -ansi -DST_DIV0=0x02 --ccflags-y := -Werror -+#ccflags-y := -Werror - - lib-$(CONFIG_SPARC32) += ashrdi3.o - lib-$(CONFIG_SPARC32) += memcpy.o memset.o -diff --git a/arch/sparc/lib/atomic_64.S b/arch/sparc/lib/atomic_64.S -index 1c6a1bd..93e9698 100644 ---- a/arch/sparc/lib/atomic_64.S -+++ b/arch/sparc/lib/atomic_64.S -@@ -17,11 +17,22 @@ - * barriers. - */ - --#define ATOMIC_OP(op) \ --ENTRY(atomic_##op) /* %o0 = increment, %o1 = atomic_ptr */ \ -+#ifdef CONFIG_PAX_REFCOUNT -+#define __REFCOUNT_OP(op) op##cc -+#define __OVERFLOW_IOP tvs %icc, 6; -+#define __OVERFLOW_XOP tvs %xcc, 6; -+#else -+#define __REFCOUNT_OP(op) op -+#define __OVERFLOW_IOP -+#define __OVERFLOW_XOP -+#endif -+ -+#define __ATOMIC_OP(op, suffix, asm_op, post_op) \ -+ENTRY(atomic_##op##suffix) /* %o0 = increment, %o1 = atomic_ptr */ \ - BACKOFF_SETUP(%o2); \ - 1: lduw [%o1], %g1; \ -- op %g1, %o0, %g7; \ -+ asm_op %g1, %o0, %g7; \ -+ post_op \ - cas [%o1], %g1, %g7; \ - cmp %g1, %g7; \ - bne,pn %icc, BACKOFF_LABEL(2f, 1b); \ -@@ -29,14 +40,18 @@ ENTRY(atomic_##op) /* %o0 = increment, %o1 = atomic_ptr */ \ - retl; \ - nop; \ - 2: BACKOFF_SPIN(%o2, %o3, 1b); \ --ENDPROC(atomic_##op); \ --EXPORT_SYMBOL(atomic_##op); -+ENDPROC(atomic_##op##suffix); \ -+EXPORT_SYMBOL(atomic_##op##suffix); - --#define ATOMIC_OP_RETURN(op) \ --ENTRY(atomic_##op##_return) /* %o0 = increment, %o1 = atomic_ptr */ \ -+#define ATOMIC_OP(op) __ATOMIC_OP(op, , op, ) \ -+ __ATOMIC_OP(op, _unchecked, __REFCOUNT_OP(op), __OVERFLOW_IOP) -+ -+#define __ATOMIC_OP_RETURN(op, suffix, asm_op, post_op) \ -+ENTRY(atomic_##op##_return##suffix) /* %o0 = increment, %o1 = atomic_ptr */\ - BACKOFF_SETUP(%o2); \ - 1: lduw [%o1], %g1; \ -- op %g1, %o0, %g7; \ -+ asm_op %g1, %o0, %g7; \ -+ post_op \ - cas [%o1], %g1, %g7; \ - cmp %g1, %g7; \ - bne,pn %icc, BACKOFF_LABEL(2f, 1b); \ -@@ -44,8 +59,11 @@ ENTRY(atomic_##op##_return) /* %o0 = increment, %o1 = atomic_ptr */ \ - retl; \ - sra %g1, 0, %o0; \ - 2: BACKOFF_SPIN(%o2, %o3, 1b); \ --ENDPROC(atomic_##op##_return); \ --EXPORT_SYMBOL(atomic_##op##_return); -+ENDPROC(atomic_##op##_return##suffix); \ -+EXPORT_SYMBOL(atomic_##op##_return##suffix) -+ -+#define ATOMIC_OP_RETURN(op) __ATOMIC_OP_RETURN(op, , op, ) \ -+ __ATOMIC_OP_RETURN(op, _unchecked, __REFCOUNT_OP(op), __OVERFLOW_IOP) - - #define ATOMIC_FETCH_OP(op) \ - ENTRY(atomic_fetch_##op) /* %o0 = increment, %o1 = atomic_ptr */ \ -@@ -77,13 +95,16 @@ ATOMIC_OPS(xor) - #undef ATOMIC_OPS - #undef ATOMIC_FETCH_OP - #undef ATOMIC_OP_RETURN -+#undef __ATOMIC_OP_RETURN - #undef ATOMIC_OP -+#undef __ATOMIC_OP - --#define ATOMIC64_OP(op) \ --ENTRY(atomic64_##op) /* %o0 = increment, %o1 = atomic_ptr */ \ -+#define __ATOMIC64_OP(op, suffix, asm_op, post_op) \ -+ENTRY(atomic64_##op##suffix) /* %o0 = increment, %o1 = atomic_ptr */ \ - BACKOFF_SETUP(%o2); \ - 1: ldx [%o1], %g1; \ -- op %g1, %o0, %g7; \ -+ asm_op %g1, %o0, %g7; \ -+ post_op \ - casx [%o1], %g1, %g7; \ - cmp %g1, %g7; \ - bne,pn %xcc, BACKOFF_LABEL(2f, 1b); \ -@@ -91,14 +112,18 @@ ENTRY(atomic64_##op) /* %o0 = increment, %o1 = atomic_ptr */ \ - retl; \ - nop; \ - 2: BACKOFF_SPIN(%o2, %o3, 1b); \ --ENDPROC(atomic64_##op); \ --EXPORT_SYMBOL(atomic64_##op); -+ENDPROC(atomic64_##op##suffix); \ -+EXPORT_SYMBOL(atomic64_##op##suffix); - --#define ATOMIC64_OP_RETURN(op) \ --ENTRY(atomic64_##op##_return) /* %o0 = increment, %o1 = atomic_ptr */ \ -+#define ATOMIC64_OP(op) __ATOMIC64_OP(op, , op, ) \ -+ __ATOMIC64_OP(op, _unchecked, __REFCOUNT_OP(op), __OVERFLOW_XOP) -+ -+#define __ATOMIC64_OP_RETURN(op, suffix, asm_op, post_op) \ -+ENTRY(atomic64_##op##_return##suffix) /* %o0 = increment, %o1 = atomic_ptr */\ - BACKOFF_SETUP(%o2); \ - 1: ldx [%o1], %g1; \ -- op %g1, %o0, %g7; \ -+ asm_op %g1, %o0, %g7; \ -+ post_op \ - casx [%o1], %g1, %g7; \ - cmp %g1, %g7; \ - bne,pn %xcc, BACKOFF_LABEL(2f, 1b); \ -@@ -106,8 +131,11 @@ ENTRY(atomic64_##op##_return) /* %o0 = increment, %o1 = atomic_ptr */ \ - retl; \ - op %g1, %o0, %o0; \ - 2: BACKOFF_SPIN(%o2, %o3, 1b); \ --ENDPROC(atomic64_##op##_return); \ --EXPORT_SYMBOL(atomic64_##op##_return); -+ENDPROC(atomic64_##op##_return##suffix); \ -+EXPORT_SYMBOL(atomic64_##op##_return##suffix); -+ -+#define ATOMIC64_OP_RETURN(op) __ATOMIC64_OP_RETURN(op, , op, ) \ -+ __ATOMIC64_OP_RETURN(op, _unchecked, __REFCOUNT_OP(op), __OVERFLOW_XOP) - - #define ATOMIC64_FETCH_OP(op) \ - ENTRY(atomic64_fetch_##op) /* %o0 = increment, %o1 = atomic_ptr */ \ -@@ -139,7 +167,12 @@ ATOMIC64_OPS(xor) - #undef ATOMIC64_OPS - #undef ATOMIC64_FETCH_OP - #undef ATOMIC64_OP_RETURN -+#undef __ATOMIC64_OP_RETURN - #undef ATOMIC64_OP -+#undef __ATOMIC64_OP -+#undef __OVERFLOW_XOP -+#undef __OVERFLOW_IOP -+#undef __REFCOUNT_OP - - ENTRY(atomic64_dec_if_positive) /* %o0 = atomic_ptr */ - BACKOFF_SETUP(%o2) -diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile -index 30c3ecc..736f015 100644 ---- a/arch/sparc/mm/Makefile -+++ b/arch/sparc/mm/Makefile -@@ -2,7 +2,7 @@ - # - - asflags-y := -ansi --ccflags-y := -Werror -+#ccflags-y := -Werror - - obj-$(CONFIG_SPARC64) += ultra.o tlb.o tsb.o gup.o - obj-y += fault_$(BITS).o -diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c -index 4714061..bad7f9a 100644 ---- a/arch/sparc/mm/fault_32.c -+++ b/arch/sparc/mm/fault_32.c -@@ -22,6 +22,9 @@ - #include - #include - #include -+#include -+#include -+#include - - #include - #include -@@ -156,6 +159,277 @@ static unsigned long compute_si_addr(struct pt_regs *regs, int text_fault) - return safe_compute_effective_address(regs, insn); - } - -+#ifdef CONFIG_PAX_PAGEEXEC -+#ifdef CONFIG_PAX_DLRESOLVE -+static void pax_emuplt_close(struct vm_area_struct *vma) -+{ -+ vma->vm_mm->call_dl_resolve = 0UL; -+} -+ -+static int pax_emuplt_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -+{ -+ unsigned int *kaddr; -+ -+ vmf->page = alloc_page(GFP_HIGHUSER); -+ if (!vmf->page) -+ return VM_FAULT_OOM; -+ -+ kaddr = kmap(vmf->page); -+ memset(kaddr, 0, PAGE_SIZE); -+ kaddr[0] = 0x9DE3BFA8U; /* save */ -+ flush_dcache_page(vmf->page); -+ kunmap(vmf->page); -+ return VM_FAULT_MAJOR; -+} -+ -+static const struct vm_operations_struct pax_vm_ops = { -+ .close = pax_emuplt_close, -+ .fault = pax_emuplt_fault -+}; -+ -+static int pax_insert_vma(struct vm_area_struct *vma, unsigned long addr) -+{ -+ int ret; -+ -+ INIT_LIST_HEAD(&vma->anon_vma_chain); -+ vma->vm_mm = current->mm; -+ vma->vm_start = addr; -+ vma->vm_end = addr + PAGE_SIZE; -+ vma->vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC; -+ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); -+ vma->vm_ops = &pax_vm_ops; -+ -+ ret = insert_vm_struct(current->mm, vma); -+ if (ret) -+ return ret; -+ -+ ++current->mm->total_vm; -+ return 0; -+} -+#endif -+ -+/* -+ * PaX: decide what to do with offenders (regs->pc = fault address) -+ * -+ * returns 1 when task should be killed -+ * 2 when patched PLT trampoline was detected -+ * 3 when unpatched PLT trampoline was detected -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ -+#ifdef CONFIG_PAX_EMUPLT -+ int err; -+ -+ do { /* PaX: patched PLT emulation #1 */ -+ unsigned int sethi1, sethi2, jmpl; -+ -+ err = get_user(sethi1, (unsigned int *)regs->pc); -+ err |= get_user(sethi2, (unsigned int *)(regs->pc+4)); -+ err |= get_user(jmpl, (unsigned int *)(regs->pc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi1 & 0xFFC00000U) == 0x03000000U && -+ (sethi2 & 0xFFC00000U) == 0x03000000U && -+ (jmpl & 0xFFFFE000U) == 0x81C06000U) -+ { -+ unsigned int addr; -+ -+ regs->u_regs[UREG_G1] = (sethi2 & 0x003FFFFFU) << 10; -+ addr = regs->u_regs[UREG_G1]; -+ addr += (((jmpl | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U); -+ regs->pc = addr; -+ regs->npc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #2 */ -+ unsigned int ba; -+ -+ err = get_user(ba, (unsigned int *)regs->pc); -+ -+ if (err) -+ break; -+ -+ if ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30480000U) { -+ unsigned int addr; -+ -+ if ((ba & 0xFFC00000U) == 0x30800000U) -+ addr = regs->pc + ((((ba | 0xFFC00000U) ^ 0x00200000U) + 0x00200000U) << 2); -+ else -+ addr = regs->pc + ((((ba | 0xFFF80000U) ^ 0x00040000U) + 0x00040000U) << 2); -+ regs->pc = addr; -+ regs->npc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #3 */ -+ unsigned int sethi, bajmpl, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->pc); -+ err |= get_user(bajmpl, (unsigned int *)(regs->pc+4)); -+ err |= get_user(nop, (unsigned int *)(regs->pc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ ((bajmpl & 0xFFFFE000U) == 0x81C06000U || (bajmpl & 0xFFF80000U) == 0x30480000U) && -+ nop == 0x01000000U) -+ { -+ unsigned int addr; -+ -+ addr = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G1] = addr; -+ if ((bajmpl & 0xFFFFE000U) == 0x81C06000U) -+ addr += (((bajmpl | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U); -+ else -+ addr = regs->pc + ((((bajmpl | 0xFFF80000U) ^ 0x00040000U) + 0x00040000U) << 2); -+ regs->pc = addr; -+ regs->npc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: unpatched PLT emulation step 1 */ -+ unsigned int sethi, ba, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->pc); -+ err |= get_user(ba, (unsigned int *)(regs->pc+4)); -+ err |= get_user(nop, (unsigned int *)(regs->pc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30680000U) && -+ nop == 0x01000000U) -+ { -+ unsigned int addr, save, call; -+ -+ if ((ba & 0xFFC00000U) == 0x30800000U) -+ addr = regs->pc + 4 + ((((ba | 0xFFC00000U) ^ 0x00200000U) + 0x00200000U) << 2); -+ else -+ addr = regs->pc + 4 + ((((ba | 0xFFF80000U) ^ 0x00040000U) + 0x00040000U) << 2); -+ -+ err = get_user(save, (unsigned int *)addr); -+ err |= get_user(call, (unsigned int *)(addr+4)); -+ err |= get_user(nop, (unsigned int *)(addr+8)); -+ if (err) -+ break; -+ -+#ifdef CONFIG_PAX_DLRESOLVE -+ if (save == 0x9DE3BFA8U && -+ (call & 0xC0000000U) == 0x40000000U && -+ nop == 0x01000000U) -+ { -+ struct vm_area_struct *vma; -+ unsigned long call_dl_resolve; -+ -+ down_read(¤t->mm->mmap_sem); -+ call_dl_resolve = current->mm->call_dl_resolve; -+ up_read(¤t->mm->mmap_sem); -+ if (likely(call_dl_resolve)) -+ goto emulate; -+ -+ vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); -+ -+ down_write(¤t->mm->mmap_sem); -+ if (current->mm->call_dl_resolve) { -+ call_dl_resolve = current->mm->call_dl_resolve; -+ up_write(¤t->mm->mmap_sem); -+ if (vma) -+ kmem_cache_free(vm_area_cachep, vma); -+ goto emulate; -+ } -+ -+ call_dl_resolve = get_unmapped_area(NULL, 0UL, PAGE_SIZE, 0UL, MAP_PRIVATE); -+ if (!vma || (call_dl_resolve & ~PAGE_MASK)) { -+ up_write(¤t->mm->mmap_sem); -+ if (vma) -+ kmem_cache_free(vm_area_cachep, vma); -+ return 1; -+ } -+ -+ if (pax_insert_vma(vma, call_dl_resolve)) { -+ up_write(¤t->mm->mmap_sem); -+ kmem_cache_free(vm_area_cachep, vma); -+ return 1; -+ } -+ -+ current->mm->call_dl_resolve = call_dl_resolve; -+ up_write(¤t->mm->mmap_sem); -+ -+emulate: -+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10; -+ regs->pc = call_dl_resolve; -+ regs->npc = addr+4; -+ return 3; -+ } -+#endif -+ -+ /* PaX: glibc 2.4+ generates sethi/jmpl instead of save/call */ -+ if ((save & 0xFFC00000U) == 0x05000000U && -+ (call & 0xFFFFE000U) == 0x85C0A000U && -+ nop == 0x01000000U) -+ { -+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G2] = addr + 4; -+ addr = (save & 0x003FFFFFU) << 10; -+ addr += (((call | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U); -+ regs->pc = addr; -+ regs->npc = addr+4; -+ return 3; -+ } -+ } -+ } while (0); -+ -+ do { /* PaX: unpatched PLT emulation step 2 */ -+ unsigned int save, call, nop; -+ -+ err = get_user(save, (unsigned int *)(regs->pc-4)); -+ err |= get_user(call, (unsigned int *)regs->pc); -+ err |= get_user(nop, (unsigned int *)(regs->pc+4)); -+ if (err) -+ break; -+ -+ if (save == 0x9DE3BFA8U && -+ (call & 0xC0000000U) == 0x40000000U && -+ nop == 0x01000000U) -+ { -+ unsigned int dl_resolve = regs->pc + ((((call | 0xC0000000U) ^ 0x20000000U) + 0x20000000U) << 2); -+ -+ regs->u_regs[UREG_RETPC] = regs->pc; -+ regs->pc = dl_resolve; -+ regs->npc = dl_resolve+4; -+ return 3; -+ } -+ } while (0); -+#endif -+ -+ return 1; -+} -+ -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 8; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - static noinline void do_fault_siginfo(int code, int sig, struct pt_regs *regs, - int text_fault) - { -@@ -226,6 +500,24 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write, - if (!(vma->vm_flags & VM_WRITE)) - goto bad_area; - } else { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && text_fault && !(vma->vm_flags & VM_EXEC)) { -+ up_read(&mm->mmap_sem); -+ switch (pax_handle_fetch_fault(regs)) { -+ -+#ifdef CONFIG_PAX_EMUPLT -+ case 2: -+ case 3: -+ return; -+#endif -+ -+ } -+ pax_report_fault(regs, (void *)regs->pc, (void *)regs->u_regs[UREG_FP]); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - /* Allow reads even for write-only mappings */ - if (!(vma->vm_flags & (VM_READ | VM_EXEC))) - goto bad_area; -diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c -index 643c149..845c113 100644 ---- a/arch/sparc/mm/fault_64.c -+++ b/arch/sparc/mm/fault_64.c -@@ -23,6 +23,9 @@ - #include - #include - #include -+#include -+#include -+#include - - #include - #include -@@ -76,7 +79,7 @@ static void __kprobes bad_kernel_pc(struct pt_regs *regs, unsigned long vaddr) - printk(KERN_CRIT "OOPS: Bogus kernel PC [%016lx] in fault handler\n", - regs->tpc); - printk(KERN_CRIT "OOPS: RPC [%016lx]\n", regs->u_regs[15]); -- printk("OOPS: RPC <%pS>\n", (void *) regs->u_regs[15]); -+ printk("OOPS: RPC <%pA>\n", (void *) regs->u_regs[15]); - printk(KERN_CRIT "OOPS: Fault was to vaddr[%lx]\n", vaddr); - dump_stack(); - unhandled_fault(regs->tpc, current, regs); -@@ -276,6 +279,466 @@ static void noinline __kprobes bogus_32bit_fault_tpc(struct pt_regs *regs) - show_regs(regs); - } - -+#ifdef CONFIG_PAX_PAGEEXEC -+#ifdef CONFIG_PAX_DLRESOLVE -+static void pax_emuplt_close(struct vm_area_struct *vma) -+{ -+ vma->vm_mm->call_dl_resolve = 0UL; -+} -+ -+static int pax_emuplt_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -+{ -+ unsigned int *kaddr; -+ -+ vmf->page = alloc_page(GFP_HIGHUSER); -+ if (!vmf->page) -+ return VM_FAULT_OOM; -+ -+ kaddr = kmap(vmf->page); -+ memset(kaddr, 0, PAGE_SIZE); -+ kaddr[0] = 0x9DE3BFA8U; /* save */ -+ flush_dcache_page(vmf->page); -+ kunmap(vmf->page); -+ return VM_FAULT_MAJOR; -+} -+ -+static const struct vm_operations_struct pax_vm_ops = { -+ .close = pax_emuplt_close, -+ .fault = pax_emuplt_fault -+}; -+ -+static int pax_insert_vma(struct vm_area_struct *vma, unsigned long addr) -+{ -+ int ret; -+ -+ INIT_LIST_HEAD(&vma->anon_vma_chain); -+ vma->vm_mm = current->mm; -+ vma->vm_start = addr; -+ vma->vm_end = addr + PAGE_SIZE; -+ vma->vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC; -+ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); -+ vma->vm_ops = &pax_vm_ops; -+ -+ ret = insert_vm_struct(current->mm, vma); -+ if (ret) -+ return ret; -+ -+ ++current->mm->total_vm; -+ return 0; -+} -+#endif -+ -+/* -+ * PaX: decide what to do with offenders (regs->tpc = fault address) -+ * -+ * returns 1 when task should be killed -+ * 2 when patched PLT trampoline was detected -+ * 3 when unpatched PLT trampoline was detected -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ -+#ifdef CONFIG_PAX_EMUPLT -+ int err; -+ -+ do { /* PaX: patched PLT emulation #1 */ -+ unsigned int sethi1, sethi2, jmpl; -+ -+ err = get_user(sethi1, (unsigned int *)regs->tpc); -+ err |= get_user(sethi2, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(jmpl, (unsigned int *)(regs->tpc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi1 & 0xFFC00000U) == 0x03000000U && -+ (sethi2 & 0xFFC00000U) == 0x03000000U && -+ (jmpl & 0xFFFFE000U) == 0x81C06000U) -+ { -+ unsigned long addr; -+ -+ regs->u_regs[UREG_G1] = (sethi2 & 0x003FFFFFU) << 10; -+ addr = regs->u_regs[UREG_G1]; -+ addr += (((jmpl | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #2 */ -+ unsigned int ba; -+ -+ err = get_user(ba, (unsigned int *)regs->tpc); -+ -+ if (err) -+ break; -+ -+ if ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30480000U) { -+ unsigned long addr; -+ -+ if ((ba & 0xFFC00000U) == 0x30800000U) -+ addr = regs->tpc + ((((ba | 0xFFFFFFFFFFC00000UL) ^ 0x00200000UL) + 0x00200000UL) << 2); -+ else -+ addr = regs->tpc + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #3 */ -+ unsigned int sethi, bajmpl, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(bajmpl, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ ((bajmpl & 0xFFFFE000U) == 0x81C06000U || (bajmpl & 0xFFF80000U) == 0x30480000U) && -+ nop == 0x01000000U) -+ { -+ unsigned long addr; -+ -+ addr = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G1] = addr; -+ if ((bajmpl & 0xFFFFE000U) == 0x81C06000U) -+ addr += (((bajmpl | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL); -+ else -+ addr = regs->tpc + ((((bajmpl | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #4 */ -+ unsigned int sethi, mov1, call, mov2; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(mov1, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(call, (unsigned int *)(regs->tpc+8)); -+ err |= get_user(mov2, (unsigned int *)(regs->tpc+12)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ mov1 == 0x8210000FU && -+ (call & 0xC0000000U) == 0x40000000U && -+ mov2 == 0x9E100001U) -+ { -+ unsigned long addr; -+ -+ regs->u_regs[UREG_G1] = regs->u_regs[UREG_RETPC]; -+ addr = regs->tpc + 4 + ((((call | 0xFFFFFFFFC0000000UL) ^ 0x20000000UL) + 0x20000000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #5 */ -+ unsigned int sethi, sethi1, sethi2, or1, or2, sllx, jmpl, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(sethi1, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(sethi2, (unsigned int *)(regs->tpc+8)); -+ err |= get_user(or1, (unsigned int *)(regs->tpc+12)); -+ err |= get_user(or2, (unsigned int *)(regs->tpc+16)); -+ err |= get_user(sllx, (unsigned int *)(regs->tpc+20)); -+ err |= get_user(jmpl, (unsigned int *)(regs->tpc+24)); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+28)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ (sethi1 & 0xFFC00000U) == 0x03000000U && -+ (sethi2 & 0xFFC00000U) == 0x0B000000U && -+ (or1 & 0xFFFFE000U) == 0x82106000U && -+ (or2 & 0xFFFFE000U) == 0x8A116000U && -+ sllx == 0x83287020U && -+ jmpl == 0x81C04005U && -+ nop == 0x01000000U) -+ { -+ unsigned long addr; -+ -+ regs->u_regs[UREG_G1] = ((sethi1 & 0x003FFFFFU) << 10) | (or1 & 0x000003FFU); -+ regs->u_regs[UREG_G1] <<= 32; -+ regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or2 & 0x000003FFU); -+ addr = regs->u_regs[UREG_G1] + regs->u_regs[UREG_G5]; -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #6 */ -+ unsigned int sethi, sethi1, sethi2, sllx, or, jmpl, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(sethi1, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(sethi2, (unsigned int *)(regs->tpc+8)); -+ err |= get_user(sllx, (unsigned int *)(regs->tpc+12)); -+ err |= get_user(or, (unsigned int *)(regs->tpc+16)); -+ err |= get_user(jmpl, (unsigned int *)(regs->tpc+20)); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+24)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ (sethi1 & 0xFFC00000U) == 0x03000000U && -+ (sethi2 & 0xFFC00000U) == 0x0B000000U && -+ sllx == 0x83287020U && -+ (or & 0xFFFFE000U) == 0x8A116000U && -+ jmpl == 0x81C04005U && -+ nop == 0x01000000U) -+ { -+ unsigned long addr; -+ -+ regs->u_regs[UREG_G1] = (sethi1 & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G1] <<= 32; -+ regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or & 0x3FFU); -+ addr = regs->u_regs[UREG_G1] + regs->u_regs[UREG_G5]; -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: unpatched PLT emulation step 1 */ -+ unsigned int sethi, ba, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(ba, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30680000U) && -+ nop == 0x01000000U) -+ { -+ unsigned long addr; -+ unsigned int save, call; -+ unsigned int sethi1, sethi2, or1, or2, sllx, add, jmpl; -+ -+ if ((ba & 0xFFC00000U) == 0x30800000U) -+ addr = regs->tpc + 4 + ((((ba | 0xFFFFFFFFFFC00000UL) ^ 0x00200000UL) + 0x00200000UL) << 2); -+ else -+ addr = regs->tpc + 4 + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ err = get_user(save, (unsigned int *)addr); -+ err |= get_user(call, (unsigned int *)(addr+4)); -+ err |= get_user(nop, (unsigned int *)(addr+8)); -+ if (err) -+ break; -+ -+#ifdef CONFIG_PAX_DLRESOLVE -+ if (save == 0x9DE3BFA8U && -+ (call & 0xC0000000U) == 0x40000000U && -+ nop == 0x01000000U) -+ { -+ struct vm_area_struct *vma; -+ unsigned long call_dl_resolve; -+ -+ down_read(¤t->mm->mmap_sem); -+ call_dl_resolve = current->mm->call_dl_resolve; -+ up_read(¤t->mm->mmap_sem); -+ if (likely(call_dl_resolve)) -+ goto emulate; -+ -+ vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); -+ -+ down_write(¤t->mm->mmap_sem); -+ if (current->mm->call_dl_resolve) { -+ call_dl_resolve = current->mm->call_dl_resolve; -+ up_write(¤t->mm->mmap_sem); -+ if (vma) -+ kmem_cache_free(vm_area_cachep, vma); -+ goto emulate; -+ } -+ -+ call_dl_resolve = get_unmapped_area(NULL, 0UL, PAGE_SIZE, 0UL, MAP_PRIVATE); -+ if (!vma || (call_dl_resolve & ~PAGE_MASK)) { -+ up_write(¤t->mm->mmap_sem); -+ if (vma) -+ kmem_cache_free(vm_area_cachep, vma); -+ return 1; -+ } -+ -+ if (pax_insert_vma(vma, call_dl_resolve)) { -+ up_write(¤t->mm->mmap_sem); -+ kmem_cache_free(vm_area_cachep, vma); -+ return 1; -+ } -+ -+ current->mm->call_dl_resolve = call_dl_resolve; -+ up_write(¤t->mm->mmap_sem); -+ -+emulate: -+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10; -+ regs->tpc = call_dl_resolve; -+ regs->tnpc = addr+4; -+ return 3; -+ } -+#endif -+ -+ /* PaX: glibc 2.4+ generates sethi/jmpl instead of save/call */ -+ if ((save & 0xFFC00000U) == 0x05000000U && -+ (call & 0xFFFFE000U) == 0x85C0A000U && -+ nop == 0x01000000U) -+ { -+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G2] = addr + 4; -+ addr = (save & 0x003FFFFFU) << 10; -+ addr += (((call | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 3; -+ } -+ -+ /* PaX: 64-bit PLT stub */ -+ err = get_user(sethi1, (unsigned int *)addr); -+ err |= get_user(sethi2, (unsigned int *)(addr+4)); -+ err |= get_user(or1, (unsigned int *)(addr+8)); -+ err |= get_user(or2, (unsigned int *)(addr+12)); -+ err |= get_user(sllx, (unsigned int *)(addr+16)); -+ err |= get_user(add, (unsigned int *)(addr+20)); -+ err |= get_user(jmpl, (unsigned int *)(addr+24)); -+ err |= get_user(nop, (unsigned int *)(addr+28)); -+ if (err) -+ break; -+ -+ if ((sethi1 & 0xFFC00000U) == 0x09000000U && -+ (sethi2 & 0xFFC00000U) == 0x0B000000U && -+ (or1 & 0xFFFFE000U) == 0x88112000U && -+ (or2 & 0xFFFFE000U) == 0x8A116000U && -+ sllx == 0x89293020U && -+ add == 0x8A010005U && -+ jmpl == 0x89C14000U && -+ nop == 0x01000000U) -+ { -+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G4] = ((sethi1 & 0x003FFFFFU) << 10) | (or1 & 0x000003FFU); -+ regs->u_regs[UREG_G4] <<= 32; -+ regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or2 & 0x000003FFU); -+ regs->u_regs[UREG_G5] += regs->u_regs[UREG_G4]; -+ regs->u_regs[UREG_G4] = addr + 24; -+ addr = regs->u_regs[UREG_G5]; -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 3; -+ } -+ } -+ } while (0); -+ -+#ifdef CONFIG_PAX_DLRESOLVE -+ do { /* PaX: unpatched PLT emulation step 2 */ -+ unsigned int save, call, nop; -+ -+ err = get_user(save, (unsigned int *)(regs->tpc-4)); -+ err |= get_user(call, (unsigned int *)regs->tpc); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+4)); -+ if (err) -+ break; -+ -+ if (save == 0x9DE3BFA8U && -+ (call & 0xC0000000U) == 0x40000000U && -+ nop == 0x01000000U) -+ { -+ unsigned long dl_resolve = regs->tpc + ((((call | 0xFFFFFFFFC0000000UL) ^ 0x20000000UL) + 0x20000000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ dl_resolve &= 0xFFFFFFFFUL; -+ -+ regs->u_regs[UREG_RETPC] = regs->tpc; -+ regs->tpc = dl_resolve; -+ regs->tnpc = dl_resolve+4; -+ return 3; -+ } -+ } while (0); -+#endif -+ -+ do { /* PaX: patched PLT emulation #7, must be AFTER the unpatched PLT emulation */ -+ unsigned int sethi, ba, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(ba, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ (ba & 0xFFF00000U) == 0x30600000U && -+ nop == 0x01000000U) -+ { -+ unsigned long addr; -+ -+ addr = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G1] = addr; -+ addr = regs->tpc + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+#endif -+ -+ return 1; -+} -+ -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 8; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs) - { - enum ctx_state prev_state = exception_enter(); -@@ -350,6 +813,29 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs) - if (!vma) - goto bad_area; - -+#ifdef CONFIG_PAX_PAGEEXEC -+ /* PaX: detect ITLB misses on non-exec pages */ -+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && vma->vm_start <= address && -+ !(vma->vm_flags & VM_EXEC) && (fault_code & FAULT_CODE_ITLB)) -+ { -+ if (address != regs->tpc) -+ goto good_area; -+ -+ up_read(&mm->mmap_sem); -+ switch (pax_handle_fetch_fault(regs)) { -+ -+#ifdef CONFIG_PAX_EMUPLT -+ case 2: -+ case 3: -+ return; -+#endif -+ -+ } -+ pax_report_fault(regs, (void *)regs->tpc, (void *)(regs->u_regs[UREG_FP] + STACK_BIAS)); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - /* Pure DTLB misses do not tell us whether the fault causing - * load/store/atomic was a write or not, it only says that there - * was no match. So in such a case we (carefully) read the -diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c -index 988acc8b..f26345c 100644 ---- a/arch/sparc/mm/hugetlbpage.c -+++ b/arch/sparc/mm/hugetlbpage.c -@@ -26,8 +26,10 @@ static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *filp, - unsigned long addr, - unsigned long len, - unsigned long pgoff, -- unsigned long flags) -+ unsigned long flags, -+ unsigned long offset) - { -+ struct mm_struct *mm = current->mm; - unsigned long task_size = TASK_SIZE; - struct vm_unmapped_area_info info; - -@@ -36,15 +38,22 @@ static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *filp, - - info.flags = 0; - info.length = len; -- info.low_limit = TASK_UNMAPPED_BASE; -+ info.low_limit = mm->mmap_base; - info.high_limit = min(task_size, VA_EXCLUDE_START); - info.align_mask = PAGE_MASK & ~HPAGE_MASK; - info.align_offset = 0; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - if ((addr & ~PAGE_MASK) && task_size > VA_EXCLUDE_END) { - VM_BUG_ON(addr != -ENOMEM); - info.low_limit = VA_EXCLUDE_END; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap; -+#endif -+ - info.high_limit = task_size; - addr = vm_unmapped_area(&info); - } -@@ -53,10 +62,11 @@ static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *filp, - } - - static unsigned long --hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, -- const unsigned long len, -- const unsigned long pgoff, -- const unsigned long flags) -+hugetlb_get_unmapped_area_topdown(struct file *filp, unsigned long addr0, -+ unsigned long len, -+ unsigned long pgoff, -+ unsigned long flags, -+ unsigned long offset) - { - struct mm_struct *mm = current->mm; - unsigned long addr = addr0; -@@ -71,6 +81,7 @@ hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - info.high_limit = mm->mmap_base; - info.align_mask = PAGE_MASK & ~HPAGE_MASK; - info.align_offset = 0; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - /* -@@ -83,6 +94,12 @@ hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - VM_BUG_ON(addr != -ENOMEM); - info.flags = 0; - info.low_limit = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap; -+#endif -+ - info.high_limit = STACK_TOP32; - addr = vm_unmapped_area(&info); - } -@@ -97,6 +114,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, - struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; - unsigned long task_size = TASK_SIZE; -+ unsigned long offset = gr_rand_threadstack_offset(mm, file, flags); - - if (test_thread_flag(TIF_32BIT)) - task_size = STACK_TOP32; -@@ -112,19 +130,22 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, - return addr; - } - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - addr = ALIGN(addr, HPAGE_SIZE); - vma = find_vma(mm, addr); -- if (task_size - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - if (mm->get_unmapped_area == arch_get_unmapped_area) - return hugetlb_get_unmapped_area_bottomup(file, addr, len, -- pgoff, flags); -+ pgoff, flags, offset); - else - return hugetlb_get_unmapped_area_topdown(file, addr, len, -- pgoff, flags); -+ pgoff, flags, offset); - } - - pte_t *huge_pte_alloc(struct mm_struct *mm, -diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c -index 37aa537..06b756c 100644 ---- a/arch/sparc/mm/init_64.c -+++ b/arch/sparc/mm/init_64.c -@@ -189,9 +189,9 @@ unsigned long sparc64_kern_sec_context __read_mostly; - int num_kernel_image_mappings; - - #ifdef CONFIG_DEBUG_DCFLUSH --atomic_t dcpage_flushes = ATOMIC_INIT(0); -+atomic_unchecked_t dcpage_flushes = ATOMIC_INIT(0); - #ifdef CONFIG_SMP --atomic_t dcpage_flushes_xcall = ATOMIC_INIT(0); -+atomic_unchecked_t dcpage_flushes_xcall = ATOMIC_INIT(0); - #endif - #endif - -@@ -199,7 +199,7 @@ inline void flush_dcache_page_impl(struct page *page) - { - BUG_ON(tlb_type == hypervisor); - #ifdef CONFIG_DEBUG_DCFLUSH -- atomic_inc(&dcpage_flushes); -+ atomic_inc_unchecked(&dcpage_flushes); - #endif - - #ifdef DCACHE_ALIASING_POSSIBLE -@@ -462,10 +462,10 @@ void mmu_info(struct seq_file *m) - - #ifdef CONFIG_DEBUG_DCFLUSH - seq_printf(m, "DCPageFlushes\t: %d\n", -- atomic_read(&dcpage_flushes)); -+ atomic_read_unchecked(&dcpage_flushes)); - #ifdef CONFIG_SMP - seq_printf(m, "DCPageFlushesXC\t: %d\n", -- atomic_read(&dcpage_flushes_xcall)); -+ atomic_read_unchecked(&dcpage_flushes_xcall)); - #endif /* CONFIG_SMP */ - #endif /* CONFIG_DEBUG_DCFLUSH */ - } -diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig -index 4583c03..5e074bb 100644 ---- a/arch/tile/Kconfig -+++ b/arch/tile/Kconfig -@@ -192,6 +192,7 @@ source "kernel/Kconfig.hz" - config KEXEC - bool "kexec system call" - select KEXEC_CORE -+ depends on !GRKERNSEC_KMEM - ---help--- - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot -diff --git a/arch/tile/include/asm/atomic_64.h b/arch/tile/include/asm/atomic_64.h -index 4cefa0c..98d8b83 100644 ---- a/arch/tile/include/asm/atomic_64.h -+++ b/arch/tile/include/asm/atomic_64.h -@@ -195,6 +195,16 @@ static inline long atomic64_add_unless(atomic64_t *v, long a, long u) - - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - #endif /* !__ASSEMBLY__ */ - - #endif /* _ASM_TILE_ATOMIC_64_H */ -diff --git a/arch/tile/include/asm/cache.h b/arch/tile/include/asm/cache.h -index 4810e48..08b733b 100644 ---- a/arch/tile/include/asm/cache.h -+++ b/arch/tile/include/asm/cache.h -@@ -15,11 +15,12 @@ - #ifndef _ASM_TILE_CACHE_H - #define _ASM_TILE_CACHE_H - -+#include - #include - - /* bytes per L1 data cache line */ - #define L1_CACHE_SHIFT CHIP_L1D_LOG_LINE_SIZE() --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - /* bytes per L2 cache line */ - #define L2_CACHE_SHIFT CHIP_L2_LOG_LINE_SIZE() -diff --git a/arch/tile/include/asm/uaccess.h b/arch/tile/include/asm/uaccess.h -index a77369e..7ba6ecd 100644 ---- a/arch/tile/include/asm/uaccess.h -+++ b/arch/tile/include/asm/uaccess.h -@@ -428,9 +428,9 @@ static inline unsigned long __must_check copy_from_user(void *to, - const void __user *from, - unsigned long n) - { -- int sz = __compiletime_object_size(to); -+ size_t sz = __compiletime_object_size(to); - -- if (likely(sz == -1 || sz >= n)) -+ if (likely(sz == (size_t)-1 || sz >= n)) - n = _copy_from_user(to, from, n); - else if (!__builtin_constant_p(n)) - copy_user_overflow(sz, n); -diff --git a/arch/tile/kernel/kprobes.c b/arch/tile/kernel/kprobes.c -index c68694b..12bf0cb 100644 ---- a/arch/tile/kernel/kprobes.c -+++ b/arch/tile/kernel/kprobes.c -@@ -430,6 +430,7 @@ static void __used kretprobe_trampoline_holder(void) - - void kretprobe_trampoline(void); - -+#ifdef CONFIG_KRETPROBES - void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, - struct pt_regs *regs) - { -@@ -438,6 +439,7 @@ void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, - /* Replace the return addr with trampoline addr */ - regs->lr = (unsigned long)kretprobe_trampoline; - } -+#endif - - /* - * Called when the probe at kretprobe trampoline is hit. -@@ -507,6 +509,7 @@ static int __kprobes trampoline_probe_handler(struct kprobe *p, - return 1; - } - -+#ifdef CONFIG_KRETPROBES - int __kprobes arch_trampoline_kprobe(struct kprobe *p) - { - if (p->addr == (kprobe_opcode_t *)kretprobe_trampoline) -@@ -514,6 +517,7 @@ int __kprobes arch_trampoline_kprobe(struct kprobe *p) - - return 0; - } -+#endif - - static struct kprobe trampoline_p = { - .addr = (kprobe_opcode_t *)kretprobe_trampoline, -diff --git a/arch/tile/mm/hugetlbpage.c b/arch/tile/mm/hugetlbpage.c -index 77ceaa3..3630dea 100644 ---- a/arch/tile/mm/hugetlbpage.c -+++ b/arch/tile/mm/hugetlbpage.c -@@ -174,6 +174,7 @@ static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *file, - info.high_limit = TASK_SIZE; - info.align_mask = PAGE_MASK & ~huge_page_mask(h); - info.align_offset = 0; -+ info.threadstack_offset = 0; - return vm_unmapped_area(&info); - } - -@@ -191,6 +192,7 @@ static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file, - info.high_limit = current->mm->mmap_base; - info.align_mask = PAGE_MASK & ~huge_page_mask(h); - info.align_offset = 0; -+ info.threadstack_offset = 0; - addr = vm_unmapped_area(&info); - - /* -diff --git a/arch/um/Makefile b/arch/um/Makefile -index 0ca46ede..8d7fd38 100644 ---- a/arch/um/Makefile -+++ b/arch/um/Makefile -@@ -73,6 +73,8 @@ USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -I%,,$(KBUILD_CFLAGS))) \ - -D_FILE_OFFSET_BITS=64 -idirafter $(srctree)/include \ - -idirafter $(obj)/include -D__KERNEL__ -D__UM_HOST__ - -+USER_CFLAGS := $(filter-out $(GCC_PLUGINS_CFLAGS),$(USER_CFLAGS)) -+ - #This will adjust *FLAGS accordingly to the platform. - include $(ARCH_DIR)/Makefile-os-$(OS) - -diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c -index 6208702..00292c8 100644 ---- a/arch/um/drivers/line.c -+++ b/arch/um/drivers/line.c -@@ -377,7 +377,7 @@ int setup_one_line(struct line *lines, int n, char *init, - struct tty_driver *driver = line->driver->driver; - int err = -EINVAL; - -- if (line->port.count) { -+ if (atomic_read(&line->port.count)) { - *error_out = "Device is already open"; - goto out; - } -diff --git a/arch/um/include/asm/cache.h b/arch/um/include/asm/cache.h -index 19e1bdd..3665b77 100644 ---- a/arch/um/include/asm/cache.h -+++ b/arch/um/include/asm/cache.h -@@ -1,6 +1,7 @@ - #ifndef __UM_CACHE_H - #define __UM_CACHE_H - -+#include - - #if defined(CONFIG_UML_X86) && !defined(CONFIG_64BIT) - # define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT) -@@ -12,6 +13,6 @@ - # define L1_CACHE_SHIFT 5 - #endif - --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #endif -diff --git a/arch/um/include/asm/kmap_types.h b/arch/um/include/asm/kmap_types.h -index 2e0a6b1..a64d0f5 100644 ---- a/arch/um/include/asm/kmap_types.h -+++ b/arch/um/include/asm/kmap_types.h -@@ -8,6 +8,6 @@ - - /* No more #include "asm/arch/kmap_types.h" ! */ - --#define KM_TYPE_NR 14 -+#define KM_TYPE_NR 15 - - #endif -diff --git a/arch/um/include/asm/page.h b/arch/um/include/asm/page.h -index f878bec..ca09300 100644 ---- a/arch/um/include/asm/page.h -+++ b/arch/um/include/asm/page.h -@@ -14,6 +14,9 @@ - #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) - #define PAGE_MASK (~(PAGE_SIZE-1)) - -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - #ifndef __ASSEMBLY__ - - struct page; -diff --git a/arch/um/include/asm/pgtable-3level.h b/arch/um/include/asm/pgtable-3level.h -index bae8523..ba9484b 100644 ---- a/arch/um/include/asm/pgtable-3level.h -+++ b/arch/um/include/asm/pgtable-3level.h -@@ -58,6 +58,7 @@ - #define pud_present(x) (pud_val(x) & _PAGE_PRESENT) - #define pud_populate(mm, pud, pmd) \ - set_pud(pud, __pud(_PAGE_TABLE + __pa(pmd))) -+#define pud_populate_kernel(mm, pud, pmd) pud_populate((mm), (pud), (pmd)) - - #ifdef CONFIG_64BIT - #define set_pud(pudptr, pudval) set_64bit((u64 *) (pudptr), pud_val(pudval)) -diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c -index 034b42c7..5c186ce 100644 ---- a/arch/um/kernel/process.c -+++ b/arch/um/kernel/process.c -@@ -343,22 +343,6 @@ int singlestepping(void * t) - return 2; - } - --/* -- * Only x86 and x86_64 have an arch_align_stack(). -- * All other arches have "#define arch_align_stack(x) (x)" -- * in their asm/exec.h -- * As this is included in UML from asm-um/system-generic.h, -- * we can use it to behave as the subarch does. -- */ --#ifndef arch_align_stack --unsigned long arch_align_stack(unsigned long sp) --{ -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() % 8192; -- return sp & ~0xf; --} --#endif -- - unsigned long get_wchan(struct task_struct *p) - { - unsigned long stack_page, sp, ip; -diff --git a/arch/unicore32/include/asm/cache.h b/arch/unicore32/include/asm/cache.h -index ad8f795..2c7eec6 100644 ---- a/arch/unicore32/include/asm/cache.h -+++ b/arch/unicore32/include/asm/cache.h -@@ -12,8 +12,10 @@ - #ifndef __UNICORE_CACHE_H__ - #define __UNICORE_CACHE_H__ - --#define L1_CACHE_SHIFT (5) --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#include -+ -+#define L1_CACHE_SHIFT 5 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - /* - * Memory returned by kmalloc() may be used for DMA, so we must make -diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig -index bada636..1775eac 100644 ---- a/arch/x86/Kconfig -+++ b/arch/x86/Kconfig -@@ -39,14 +39,13 @@ config X86 - select ARCH_MIGHT_HAVE_PC_SERIO - select ARCH_SUPPORTS_ATOMIC_RMW - select ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT -- select ARCH_SUPPORTS_INT128 if X86_64 -+ select ARCH_SUPPORTS_INT128 if X86_64 && !PAX_SIZE_OVERFLOW_EXTRA && !PAX_SIZE_OVERFLOW - select ARCH_SUPPORTS_NUMA_BALANCING if X86_64 - select ARCH_USE_BUILTIN_BSWAP - select ARCH_USE_CMPXCHG_LOCKREF if X86_64 - select ARCH_USE_QUEUED_RWLOCKS - select ARCH_USE_QUEUED_SPINLOCKS - select ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH if SMP -- select ARCH_WANTS_DYNAMIC_TASK_STRUCT - select ARCH_WANT_FRAME_POINTERS - select ARCH_WANT_IPC_PARSE_VERSION if X86_32 - select BUILDTIME_EXTABLE_SORT -@@ -94,7 +93,7 @@ config X86 - select HAVE_ARCH_WITHIN_STACK_FRAMES - select HAVE_EBPF_JIT if X86_64 - select HAVE_ARCH_VMAP_STACK if X86_64 -- select HAVE_CC_STACKPROTECTOR -+ select HAVE_CC_STACKPROTECTOR if X86_64 || !PAX_MEMORY_UDEREF - select HAVE_CMPXCHG_DOUBLE - select HAVE_CMPXCHG_LOCAL - select HAVE_CONTEXT_TRACKING if X86_64 -@@ -136,6 +135,7 @@ config X86 - select HAVE_NMI - select HAVE_OPROFILE - select HAVE_OPTPROBES -+ select HAVE_PAX_INITIFY_INIT_EXIT if GCC_PLUGINS - select HAVE_PCSPKR_PLATFORM - select HAVE_PERF_EVENTS - select HAVE_PERF_EVENTS_NMI -@@ -190,11 +190,13 @@ config MMU - def_bool y - - config ARCH_MMAP_RND_BITS_MIN -- default 28 if 64BIT -+ default 28 if 64BIT && !PAX_PER_CPU_PGD -+ default 27 if 64BIT && PAX_PER_CPU_PGD - default 8 - - config ARCH_MMAP_RND_BITS_MAX -- default 32 if 64BIT -+ default 32 if 64BIT && !PAX_PER_CPU_PGD -+ default 27 if 64BIT && PAX_PER_CPU_PGD - default 16 - - config ARCH_MMAP_RND_COMPAT_BITS_MIN -@@ -296,7 +298,7 @@ config X86_64_SMP - - config X86_32_LAZY_GS - def_bool y -- depends on X86_32 && !CC_STACKPROTECTOR -+ depends on X86_32 && !CC_STACKPROTECTOR && !PAX_MEMORY_UDEREF - - config ARCH_SUPPORTS_UPROBES - def_bool y -@@ -690,6 +692,7 @@ config SCHED_OMIT_FRAME_POINTER - - menuconfig HYPERVISOR_GUEST - bool "Linux guest support" -+ depends on !GRKERNSEC_CONFIG_AUTO || GRKERNSEC_CONFIG_VIRT_GUEST || (GRKERNSEC_CONFIG_VIRT_HOST && GRKERNSEC_CONFIG_VIRT_XEN) - ---help--- - Say Y here to enable options for running Linux under various hyper- - visors. This option enables basic hypervisor detection and platform -@@ -1090,6 +1093,7 @@ config VM86 - - config X86_16BIT - bool "Enable support for 16-bit segments" if EXPERT -+ depends on !GRKERNSEC - default y - depends on MODIFY_LDT_SYSCALL - ---help--- -@@ -1244,6 +1248,7 @@ choice - - config NOHIGHMEM - bool "off" -+ depends on !(PAX_PAGEEXEC && PAX_ENABLE_PAE) - ---help--- - Linux can use up to 64 Gigabytes of physical memory on x86 systems. - However, the address space of 32-bit x86 processors is only 4 -@@ -1280,6 +1285,7 @@ config NOHIGHMEM - - config HIGHMEM4G - bool "4GB" -+ depends on !(PAX_PAGEEXEC && PAX_ENABLE_PAE) - ---help--- - Select this if you have a 32-bit processor and between 1 and 4 - gigabytes of physical RAM. -@@ -1332,7 +1338,7 @@ config PAGE_OFFSET - hex - default 0xB0000000 if VMSPLIT_3G_OPT - default 0x80000000 if VMSPLIT_2G -- default 0x78000000 if VMSPLIT_2G_OPT -+ default 0x70000000 if VMSPLIT_2G_OPT - default 0x40000000 if VMSPLIT_1G - default 0xC0000000 - depends on X86_32 -@@ -1353,7 +1359,6 @@ config X86_PAE - - config ARCH_PHYS_ADDR_T_64BIT - def_bool y -- depends on X86_64 || X86_PAE - - config ARCH_DMA_ADDR_T_64BIT - def_bool y -@@ -1484,7 +1489,7 @@ config ARCH_PROC_KCORE_TEXT - - config ILLEGAL_POINTER_VALUE - hex -- default 0 if X86_32 -+ default 0xfffff000 if X86_32 - default 0xdead000000000000 if X86_64 - - source "mm/Kconfig" -@@ -1807,6 +1812,7 @@ source kernel/Kconfig.hz - config KEXEC - bool "kexec system call" - select KEXEC_CORE -+ depends on !GRKERNSEC_KMEM - ---help--- - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot -@@ -1934,7 +1940,7 @@ config RELOCATABLE - - config RANDOMIZE_BASE - bool "Randomize the address of the kernel image (KASLR)" -- depends on RELOCATABLE -+ depends on RELOCATABLE && BROKEN_SECURITY - default n - ---help--- - In support of Kernel Address Space Layout Randomization (KASLR), -@@ -1978,7 +1984,9 @@ config X86_NEED_RELOCS - - config PHYSICAL_ALIGN - hex "Alignment value to which kernel should be aligned" -- default "0x200000" -+ default "0x1000000" -+ range 0x200000 0x1000000 if PAX_KERNEXEC && X86_PAE -+ range 0x400000 0x1000000 if PAX_KERNEXEC && !X86_PAE - range 0x2000 0x1000000 if X86_32 - range 0x200000 0x1000000 if X86_64 - ---help--- -@@ -2093,6 +2101,7 @@ config COMPAT_VDSO - def_bool n - prompt "Disable the 32-bit vDSO (needed for glibc 2.3.3)" - depends on X86_32 || IA32_EMULATION -+ depends on !PAX_PAGEEXEC && !PAX_SEGMEXEC && !PAX_KERNEXEC && !PAX_MEMORY_UDEREF - ---help--- - Certain buggy versions of glibc will crash if they are - presented with a 32-bit vDSO that is not mapped at the address -@@ -2133,15 +2142,6 @@ choice - - If unsure, select "Emulate". - -- config LEGACY_VSYSCALL_NATIVE -- bool "Native" -- help -- Actual executable code is located in the fixed vsyscall -- address mapping, implementing time() efficiently. Since -- this makes the mapping executable, it can be used during -- security vulnerability exploitation (traditionally as -- ROP gadgets). This configuration is not recommended. -- - config LEGACY_VSYSCALL_EMULATE - bool "Emulate" - help -@@ -2222,6 +2222,22 @@ config MODIFY_LDT_SYSCALL - - Saying 'N' here may make sense for embedded or server kernels. - -+config DEFAULT_MODIFY_LDT_SYSCALL -+ bool "Allow userspace to modify the LDT by default" -+ default y -+ -+ ---help--- -+ Modifying the LDT (Local Descriptor Table) may be needed to run a -+ 16-bit or segmented code such as Dosemu or Wine. This is done via -+ a system call which is not needed to run portable applications, -+ and which can sometimes be abused to exploit some weaknesses of -+ the architecture, opening new vulnerabilities. -+ -+ For this reason this option allows one to enable or disable the -+ feature at runtime. It is recommended to say 'N' here to leave -+ the system protected, and to enable it at runtime only if needed -+ by setting the sys.kernel.modify_ldt sysctl. -+ - source "kernel/livepatch/Kconfig" - - endmenu -diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu -index 3ba5ff2..44bdacc 100644 ---- a/arch/x86/Kconfig.cpu -+++ b/arch/x86/Kconfig.cpu -@@ -329,7 +329,7 @@ config X86_PPRO_FENCE - - config X86_F00F_BUG - def_bool y -- depends on M586MMX || M586TSC || M586 || M486 -+ depends on (M586MMX || M586TSC || M586 || M486) && !PAX_KERNEXEC - - config X86_INVD_BUG - def_bool y -@@ -337,7 +337,7 @@ config X86_INVD_BUG - - config X86_ALIGNMENT_16 - def_bool y -- depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || MELAN || MK6 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2 || MGEODEGX1 -+ depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || X86_ELAN || MK8 || MK7 || MK6 || MCORE2 || MPENTIUM4 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2 || MGEODEGX1 - - config X86_INTEL_USERCOPY - def_bool y -@@ -379,7 +379,7 @@ config X86_CMPXCHG64 - # generates cmov. - config X86_CMOV - def_bool y -- depends on (MK8 || MK7 || MCORE2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MCRUSOE || MEFFICEON || X86_64 || MATOM || MGEODE_LX) -+ depends on (MK8 || MK7 || MCORE2 || MPSC || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MCRUSOE || MEFFICEON || X86_64 || MATOM || MGEODE_LX) - - config X86_MINIMUM_CPU_FAMILY - int -diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug -index 67eec55..1a5c1ab 100644 ---- a/arch/x86/Kconfig.debug -+++ b/arch/x86/Kconfig.debug -@@ -55,6 +55,7 @@ config X86_PTDUMP - tristate "Export kernel pagetable layout to userspace via debugfs" - depends on DEBUG_KERNEL - select DEBUG_FS -+ depends on !GRKERNSEC_KMEM - select X86_PTDUMP_CORE - ---help--- - Say Y here if you want to show the kernel pagetable layout in a -@@ -84,6 +85,7 @@ config DEBUG_RODATA_TEST - - config DEBUG_WX - bool "Warn on W+X mappings at boot" -+ depends on BROKEN - select X86_PTDUMP_CORE - ---help--- - Generate a warning if any W+X mappings are found at boot. -@@ -111,7 +113,7 @@ config DEBUG_WX - - config DEBUG_SET_MODULE_RONX - bool "Set loadable kernel module data as NX and text as RO" -- depends on MODULES -+ depends on MODULES && BROKEN - ---help--- - This option helps catch unintended modifications to loadable - kernel module's text and read-only data. It also prevents execution -@@ -353,6 +355,7 @@ config X86_DEBUG_FPU - config PUNIT_ATOM_DEBUG - tristate "ATOM Punit debug driver" - select DEBUG_FS -+ depends on !GRKERNSEC_KMEM - select IOSF_MBI - ---help--- - This is a debug driver, which gets the power states -diff --git a/arch/x86/Makefile b/arch/x86/Makefile -index 2d44933..86ecceb 100644 ---- a/arch/x86/Makefile -+++ b/arch/x86/Makefile -@@ -75,9 +75,6 @@ ifeq ($(CONFIG_X86_32),y) - # CPU-specific tuning. Anything which can be shared with UML should go here. - include arch/x86/Makefile_32.cpu - KBUILD_CFLAGS += $(cflags-y) -- -- # temporary until string.h is fixed -- KBUILD_CFLAGS += -ffreestanding - else - BITS := 64 - UTS_MACHINE := x86_64 -@@ -126,6 +123,9 @@ else - KBUILD_CFLAGS += $(call cc-option,-maccumulate-outgoing-args) - endif - -+# temporary until string.h is fixed -+KBUILD_CFLAGS += -ffreestanding -+ - ifdef CONFIG_X86_X32 - x32_ld_ok := $(call try-run,\ - /bin/echo -e '1: .quad 1b' | \ -@@ -192,6 +192,7 @@ archheaders: - $(Q)$(MAKE) $(build)=arch/x86/entry/syscalls all - - archprepare: -+ $(if $(LDFLAGS_BUILD_ID),,$(error $(OLD_LD))) - ifeq ($(CONFIG_KEXEC_FILE),y) - $(Q)$(MAKE) $(build)=arch/x86/purgatory arch/x86/purgatory/kexec-purgatory.c - endif -@@ -278,3 +279,9 @@ define archhelp - echo ' FDARGS="..." arguments for the booted kernel' - echo ' FDINITRD=file initrd for the booted kernel' - endef -+ -+define OLD_LD -+ -+*** ${VERSION}.${PATCHLEVEL} PaX kernels no longer build correctly with old versions of binutils. -+*** Please upgrade your binutils to 2.18 or newer -+endef -diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile -index 12ea8f8..46969be 100644 ---- a/arch/x86/boot/Makefile -+++ b/arch/x86/boot/Makefile -@@ -11,6 +11,7 @@ - - KASAN_SANITIZE := n - OBJECT_FILES_NON_STANDARD := y -+GCC_PLUGINS := n - - # Kernel does not boot with kcov instrumentation here. - # One of the problems observed was insertion of __sanitizer_cov_trace_pc() -diff --git a/arch/x86/boot/bitops.h b/arch/x86/boot/bitops.h -index 0d41d68..2d6120c 100644 ---- a/arch/x86/boot/bitops.h -+++ b/arch/x86/boot/bitops.h -@@ -28,7 +28,7 @@ static inline bool variable_test_bit(int nr, const void *addr) - bool v; - const u32 *p = (const u32 *)addr; - -- asm("btl %2,%1; setc %0" : "=qm" (v) : "m" (*p), "Ir" (nr)); -+ asm volatile("btl %2,%1; setc %0" : "=qm" (v) : "m" (*p), "Ir" (nr)); - return v; - } - -@@ -39,7 +39,7 @@ static inline bool variable_test_bit(int nr, const void *addr) - - static inline void set_bit(int nr, void *addr) - { -- asm("btsl %1,%0" : "+m" (*(u32 *)addr) : "Ir" (nr)); -+ asm volatile("btsl %1,%0" : "+m" (*(u32 *)addr) : "Ir" (nr)); - } - - #endif /* BOOT_BITOPS_H */ -diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h -index e5612f3..e755d05 100644 ---- a/arch/x86/boot/boot.h -+++ b/arch/x86/boot/boot.h -@@ -84,7 +84,7 @@ static inline void io_delay(void) - static inline u16 ds(void) - { - u16 seg; -- asm("movw %%ds,%0" : "=rm" (seg)); -+ asm volatile("movw %%ds,%0" : "=rm" (seg)); - return seg; - } - -diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile -index 34d9e15..c26e047 100644 ---- a/arch/x86/boot/compressed/Makefile -+++ b/arch/x86/boot/compressed/Makefile -@@ -18,6 +18,7 @@ - - KASAN_SANITIZE := n - OBJECT_FILES_NON_STANDARD := y -+GCC_PLUGINS := n - - # Prevents link failures: __sanitizer_cov_trace_pc() is not linked in. - KCOV_INSTRUMENT := n -@@ -35,6 +36,23 @@ KBUILD_CFLAGS += -mno-mmx -mno-sse - KBUILD_CFLAGS += $(call cc-option,-ffreestanding) - KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) - -+ifdef CONFIG_DEBUG_INFO -+ifdef CONFIG_DEBUG_INFO_SPLIT -+KBUILD_CFLAGS += $(call cc-option, -gsplit-dwarf, -g) -+else -+KBUILD_CFLAGS += -g -+endif -+KBUILD_AFLAGS += -Wa,--gdwarf-2 -+endif -+ifdef CONFIG_DEBUG_INFO_DWARF4 -+KBUILD_CFLAGS += $(call cc-option, -gdwarf-4,) -+endif -+ -+ifdef CONFIG_DEBUG_INFO_REDUCED -+KBUILD_CFLAGS += $(call cc-option, -femit-struct-debug-baseonly) \ -+ $(call cc-option,-fno-var-tracking) -+endif -+ - KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ - GCOV_PROFILE := n - UBSAN_SANITIZE :=n -diff --git a/arch/x86/boot/compressed/efi_stub_32.S b/arch/x86/boot/compressed/efi_stub_32.S -index a53440e..c3dbf1e 100644 ---- a/arch/x86/boot/compressed/efi_stub_32.S -+++ b/arch/x86/boot/compressed/efi_stub_32.S -@@ -46,16 +46,13 @@ ENTRY(efi_call_phys) - * parameter 2, ..., param n. To make things easy, we save the return - * address of efi_call_phys in a global variable. - */ -- popl %ecx -- movl %ecx, saved_return_addr(%edx) -- /* get the function pointer into ECX*/ -- popl %ecx -- movl %ecx, efi_rt_function_ptr(%edx) -+ popl saved_return_addr(%edx) -+ popl efi_rt_function_ptr(%edx) - - /* - * 3. Call the physical function. - */ -- call *%ecx -+ call *efi_rt_function_ptr(%edx) - - /* - * 4. Balance the stack. And because EAX contain the return value, -@@ -67,15 +64,12 @@ ENTRY(efi_call_phys) - 1: popl %edx - subl $1b, %edx - -- movl efi_rt_function_ptr(%edx), %ecx -- pushl %ecx -+ pushl efi_rt_function_ptr(%edx) - - /* - * 10. Push the saved return address onto the stack and return. - */ -- movl saved_return_addr(%edx), %ecx -- pushl %ecx -- ret -+ jmpl *saved_return_addr(%edx) - ENDPROC(efi_call_phys) - .previous - -diff --git a/arch/x86/boot/compressed/efi_stub_64.S b/arch/x86/boot/compressed/efi_stub_64.S -index 99494dff..7fa59bf 100644 ---- a/arch/x86/boot/compressed/efi_stub_64.S -+++ b/arch/x86/boot/compressed/efi_stub_64.S -@@ -2,4 +2,5 @@ - #include - #include - -+#define efi_call efi_call_early - #include "../../platform/efi/efi_stub_64.S" -diff --git a/arch/x86/boot/compressed/efi_thunk_64.S b/arch/x86/boot/compressed/efi_thunk_64.S -index 630384a..278e788 100644 ---- a/arch/x86/boot/compressed/efi_thunk_64.S -+++ b/arch/x86/boot/compressed/efi_thunk_64.S -@@ -189,8 +189,8 @@ efi_gdt64: - .long 0 /* Filled out by user */ - .word 0 - .quad 0x0000000000000000 /* NULL descriptor */ -- .quad 0x00af9a000000ffff /* __KERNEL_CS */ -- .quad 0x00cf92000000ffff /* __KERNEL_DS */ -+ .quad 0x00af9b000000ffff /* __KERNEL_CS */ -+ .quad 0x00cf93000000ffff /* __KERNEL_DS */ - .quad 0x0080890000000000 /* TS descriptor */ - .quad 0x0000000000000000 /* TS continued */ - efi_gdt64_end: -diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S -index fd0b6a2..7206864 100644 ---- a/arch/x86/boot/compressed/head_32.S -+++ b/arch/x86/boot/compressed/head_32.S -@@ -169,10 +169,10 @@ preferred_addr: - addl %eax, %ebx - notl %eax - andl %eax, %ebx -- cmpl $LOAD_PHYSICAL_ADDR, %ebx -+ cmpl $____LOAD_PHYSICAL_ADDR, %ebx - jge 1f - #endif -- movl $LOAD_PHYSICAL_ADDR, %ebx -+ movl $____LOAD_PHYSICAL_ADDR, %ebx - 1: - - /* Target address to relocate to for decompression */ -diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S -index efdfba2..af6d962 100644 ---- a/arch/x86/boot/compressed/head_64.S -+++ b/arch/x86/boot/compressed/head_64.S -@@ -103,10 +103,10 @@ ENTRY(startup_32) - addl %eax, %ebx - notl %eax - andl %eax, %ebx -- cmpl $LOAD_PHYSICAL_ADDR, %ebx -+ cmpl $____LOAD_PHYSICAL_ADDR, %ebx - jge 1f - #endif -- movl $LOAD_PHYSICAL_ADDR, %ebx -+ movl $____LOAD_PHYSICAL_ADDR, %ebx - 1: - - /* Target address to relocate to for decompression */ -@@ -333,10 +333,10 @@ preferred_addr: - addq %rax, %rbp - notq %rax - andq %rax, %rbp -- cmpq $LOAD_PHYSICAL_ADDR, %rbp -+ cmpq $____LOAD_PHYSICAL_ADDR, %rbp - jge 1f - #endif -- movq $LOAD_PHYSICAL_ADDR, %rbp -+ movq $____LOAD_PHYSICAL_ADDR, %rbp - 1: - - /* Target address to relocate to for decompression */ -@@ -444,8 +444,8 @@ gdt: - .long gdt - .word 0 - .quad 0x0000000000000000 /* NULL descriptor */ -- .quad 0x00af9a000000ffff /* __KERNEL_CS */ -- .quad 0x00cf92000000ffff /* __KERNEL_DS */ -+ .quad 0x00af9b000000ffff /* __KERNEL_CS */ -+ .quad 0x00cf93000000ffff /* __KERNEL_DS */ - .quad 0x0080890000000000 /* TS descriptor */ - .quad 0x0000000000000000 /* TS continued */ - gdt_end: -@@ -465,7 +465,7 @@ efi32_config: - .global efi64_config - efi64_config: - .fill 4,8,0 -- .quad efi_call -+ .quad efi_call_early - .byte 1 - #endif /* CONFIG_EFI_STUB */ - -diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c -index b3c5a5f0..596115e 100644 ---- a/arch/x86/boot/compressed/misc.c -+++ b/arch/x86/boot/compressed/misc.c -@@ -176,13 +176,17 @@ static void handle_relocations(void *output, unsigned long output_len, - int *reloc; - unsigned long delta, map, ptr; - unsigned long min_addr = (unsigned long)output; -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ unsigned long max_addr = min_addr + (VO___bss_start - VO__text - __PAGE_OFFSET - ____LOAD_PHYSICAL_ADDR); -+#else - unsigned long max_addr = min_addr + (VO___bss_start - VO__text); -+#endif - - /* - * Calculate the delta between where vmlinux was linked to load - * and where it was actually loaded. - */ -- delta = min_addr - LOAD_PHYSICAL_ADDR; -+ delta = min_addr - ____LOAD_PHYSICAL_ADDR; - - /* - * The kernel contains a table of relocation addresses. Those -@@ -199,7 +203,7 @@ static void handle_relocations(void *output, unsigned long output_len, - * from __START_KERNEL_map. - */ - if (IS_ENABLED(CONFIG_X86_64)) -- delta = virt_addr - LOAD_PHYSICAL_ADDR; -+ delta = virt_addr - ____LOAD_PHYSICAL_ADDR; - - if (!delta) { - debug_putstr("No relocation needed... "); -@@ -274,7 +278,7 @@ static void parse_elf(void *output) - Elf32_Ehdr ehdr; - Elf32_Phdr *phdrs, *phdr; - #endif -- void *dest; -+ void *dest, *prev; - int i; - - memcpy(&ehdr, output, sizeof(ehdr)); -@@ -301,11 +305,14 @@ static void parse_elf(void *output) - case PT_LOAD: - #ifdef CONFIG_RELOCATABLE - dest = output; -- dest += (phdr->p_paddr - LOAD_PHYSICAL_ADDR); -+ dest += (phdr->p_paddr - ____LOAD_PHYSICAL_ADDR); - #else - dest = (void *)(phdr->p_paddr); - #endif - memmove(dest, output + phdr->p_offset, phdr->p_filesz); -+ if (i) -+ memset(prev, 0xff, dest - prev); -+ prev = dest + phdr->p_filesz; - break; - default: /* Ignore other PT_* */ break; - } -@@ -337,7 +344,11 @@ asmlinkage __visible void *extract_kernel(void *rmode, memptr heap, - unsigned char *output, - unsigned long output_len) - { -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ const unsigned long kernel_total_size = VO__end - VO__text - __PAGE_OFFSET - ____LOAD_PHYSICAL_ADDR; -+#else - const unsigned long kernel_total_size = VO__end - VO__text; -+#endif - unsigned long virt_addr = (unsigned long)output; - - /* Retain x86 boot parameters pointer passed from startup_32/64. */ -@@ -395,7 +406,7 @@ asmlinkage __visible void *extract_kernel(void *rmode, memptr heap, - error("Destination address too large"); - #endif - #ifndef CONFIG_RELOCATABLE -- if ((unsigned long)output != LOAD_PHYSICAL_ADDR) -+ if ((unsigned long)output != ____LOAD_PHYSICAL_ADDR) - error("Destination address does not match LOAD_PHYSICAL_ADDR"); - if ((unsigned long)output != virt_addr) - error("Destination virtual address changed when not relocatable"); -diff --git a/arch/x86/boot/compressed/pagetable.c b/arch/x86/boot/compressed/pagetable.c -index 56589d0..f2085be 100644 ---- a/arch/x86/boot/compressed/pagetable.c -+++ b/arch/x86/boot/compressed/pagetable.c -@@ -14,6 +14,7 @@ - */ - #define __pa(x) ((unsigned long)(x)) - #define __va(x) ((void *)((unsigned long)(x))) -+#undef CONFIG_PAX_KERNEXEC - - #include "misc.h" - -diff --git a/arch/x86/boot/cpucheck.c b/arch/x86/boot/cpucheck.c -index 4ad7d70..c703963 100644 ---- a/arch/x86/boot/cpucheck.c -+++ b/arch/x86/boot/cpucheck.c -@@ -126,9 +126,9 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr) - u32 ecx = MSR_K7_HWCR; - u32 eax, edx; - -- asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); -+ asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); - eax &= ~(1 << 15); -- asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); -+ asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); - - get_cpuflags(); /* Make sure it really did something */ - err = check_cpuflags(); -@@ -141,9 +141,9 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr) - u32 ecx = MSR_VIA_FCR; - u32 eax, edx; - -- asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); -+ asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); - eax |= (1<<1)|(1<<7); -- asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); -+ asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); - - set_bit(X86_FEATURE_CX8, cpu.flags); - err = check_cpuflags(); -@@ -154,12 +154,12 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr) - u32 eax, edx; - u32 level = 1; - -- asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); -- asm("wrmsr" : : "a" (~0), "d" (edx), "c" (ecx)); -- asm("cpuid" -+ asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); -+ asm volatile("wrmsr" : : "a" (~0), "d" (edx), "c" (ecx)); -+ asm volatile("cpuid" - : "+a" (level), "=d" (cpu.flags[0]) - : : "ecx", "ebx"); -- asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); -+ asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); - - err = check_cpuflags(); - } else if (err == 0x01 && -diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S -index 3dd5be3..16720a2 100644 ---- a/arch/x86/boot/header.S -+++ b/arch/x86/boot/header.S -@@ -438,7 +438,7 @@ setup_data: .quad 0 # 64-bit physical pointer to - # single linked list of - # struct setup_data - --pref_address: .quad LOAD_PHYSICAL_ADDR # preferred load addr -+pref_address: .quad ____LOAD_PHYSICAL_ADDR # preferred load addr - - # - # Getting to provably safe in-place decompression is hard. Worst case -@@ -543,7 +543,12 @@ pref_address: .quad LOAD_PHYSICAL_ADDR # preferred load addr - - #define ZO_INIT_SIZE (ZO__end - ZO_startup_32 + ZO_z_min_extract_offset) - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+#define VO_INIT_SIZE (VO__end - VO__text - __PAGE_OFFSET - ____LOAD_PHYSICAL_ADDR) -+#else - #define VO_INIT_SIZE (VO__end - VO__text) -+#endif -+ - #if ZO_INIT_SIZE > VO_INIT_SIZE - # define INIT_SIZE ZO_INIT_SIZE - #else -diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c -index db75d07..8e6d0af 100644 ---- a/arch/x86/boot/memory.c -+++ b/arch/x86/boot/memory.c -@@ -19,7 +19,7 @@ - - static int detect_memory_e820(void) - { -- int count = 0; -+ unsigned int count = 0; - struct biosregs ireg, oreg; - struct e820entry *desc = boot_params.e820_map; - static struct e820entry buf; /* static so it is zeroed */ -diff --git a/arch/x86/boot/video-vesa.c b/arch/x86/boot/video-vesa.c -index ba3e100..6501b8f 100644 ---- a/arch/x86/boot/video-vesa.c -+++ b/arch/x86/boot/video-vesa.c -@@ -201,6 +201,7 @@ static void vesa_store_pm_info(void) - - boot_params.screen_info.vesapm_seg = oreg.es; - boot_params.screen_info.vesapm_off = oreg.di; -+ boot_params.screen_info.vesapm_size = oreg.cx; - } - - /* -diff --git a/arch/x86/boot/video.c b/arch/x86/boot/video.c -index 77780e3..86be0cb 100644 ---- a/arch/x86/boot/video.c -+++ b/arch/x86/boot/video.c -@@ -100,7 +100,7 @@ static void store_mode_params(void) - static unsigned int get_entry(void) - { - char entry_buf[4]; -- int i, len = 0; -+ unsigned int i, len = 0; - int key; - unsigned int v; - -diff --git a/arch/x86/crypto/aes-i586-asm_32.S b/arch/x86/crypto/aes-i586-asm_32.S -index 2849dbc..d7ff39c 100644 ---- a/arch/x86/crypto/aes-i586-asm_32.S -+++ b/arch/x86/crypto/aes-i586-asm_32.S -@@ -38,6 +38,7 @@ - - #include - #include -+#include - - #define tlen 1024 // length of each of 4 'xor' arrays (256 32-bit words) - -@@ -286,7 +287,7 @@ ENTRY(aes_enc_blk) - pop %ebx - mov %r0,(%ebp) - pop %ebp -- ret -+ pax_ret aes_enc_blk - ENDPROC(aes_enc_blk) - - // AES (Rijndael) Decryption Subroutine -@@ -358,5 +359,5 @@ ENTRY(aes_dec_blk) - pop %ebx - mov %r0,(%ebp) - pop %ebp -- ret -+ pax_ret aes_dec_blk - ENDPROC(aes_dec_blk) -diff --git a/arch/x86/crypto/aes-x86_64-asm_64.S b/arch/x86/crypto/aes-x86_64-asm_64.S -index 9105655..cf81747 100644 ---- a/arch/x86/crypto/aes-x86_64-asm_64.S -+++ b/arch/x86/crypto/aes-x86_64-asm_64.S -@@ -8,6 +8,8 @@ - * including this sentence is retained in full. - */ - -+#include -+ - .extern crypto_ft_tab - .extern crypto_it_tab - .extern crypto_fl_tab -@@ -77,7 +79,7 @@ - movl r6 ## E,4(r9); \ - movl r7 ## E,8(r9); \ - movl r8 ## E,12(r9); \ -- ret; \ -+ pax_ret FUNC; \ - ENDPROC(FUNC); - - #define round(TAB,OFFSET,r1,r2,r3,r4,r5,r6,r7,r8,ra,rb,rc,rd) \ -diff --git a/arch/x86/crypto/aes_ctrby8_avx-x86_64.S b/arch/x86/crypto/aes_ctrby8_avx-x86_64.S -index a916c4a..7e7b7cf 100644 ---- a/arch/x86/crypto/aes_ctrby8_avx-x86_64.S -+++ b/arch/x86/crypto/aes_ctrby8_avx-x86_64.S -@@ -64,6 +64,7 @@ - - #include - #include -+#include - - #define CONCAT(a,b) a##b - #define VMOVDQ vmovdqu -@@ -436,7 +437,7 @@ ddq_add_8: - - /* main body of aes ctr load */ - --.macro do_aes_ctrmain key_len -+.macro do_aes_ctrmain func key_len - cmp $16, num_bytes - jb .Ldo_return2\key_len - -@@ -537,7 +538,7 @@ ddq_add_8: - /* return updated IV */ - vpshufb xbyteswap, xcounter, xcounter - vmovdqu xcounter, (p_iv) -- ret -+ pax_ret \func - .endm - - /* -@@ -549,7 +550,7 @@ ddq_add_8: - */ - ENTRY(aes_ctr_enc_128_avx_by8) - /* call the aes main loop */ -- do_aes_ctrmain KEY_128 -+ do_aes_ctrmain aes_ctr_enc_128_avx_by8 KEY_128 - - ENDPROC(aes_ctr_enc_128_avx_by8) - -@@ -562,7 +563,7 @@ ENDPROC(aes_ctr_enc_128_avx_by8) - */ - ENTRY(aes_ctr_enc_192_avx_by8) - /* call the aes main loop */ -- do_aes_ctrmain KEY_192 -+ do_aes_ctrmain aes_ctr_enc_192_avx_by8 KEY_192 - - ENDPROC(aes_ctr_enc_192_avx_by8) - -@@ -575,6 +576,6 @@ ENDPROC(aes_ctr_enc_192_avx_by8) - */ - ENTRY(aes_ctr_enc_256_avx_by8) - /* call the aes main loop */ -- do_aes_ctrmain KEY_256 -+ do_aes_ctrmain aes_ctr_enc_256_avx_by8 KEY_256 - - ENDPROC(aes_ctr_enc_256_avx_by8) -diff --git a/arch/x86/crypto/aesni-intel_asm.S b/arch/x86/crypto/aesni-intel_asm.S -index 383a6f8..dc7f45d 100644 ---- a/arch/x86/crypto/aesni-intel_asm.S -+++ b/arch/x86/crypto/aesni-intel_asm.S -@@ -32,6 +32,7 @@ - #include - #include - #include -+#include - - /* - * The following macros are used to move an (un)aligned 16 byte value to/from -@@ -218,7 +219,7 @@ enc: .octa 0x2 - * num_initial_blocks = b mod 4 - * encrypt the initial num_initial_blocks blocks and apply ghash on - * the ciphertext --* %r10, %r11, %r12, %rax, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9 registers -+* %r10, %r11, %r15, %rax, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9 registers - * are clobbered - * arg1, %arg2, %arg3, %r14 are used as a pointer only, not modified - */ -@@ -228,8 +229,8 @@ enc: .octa 0x2 - XMM2 XMM3 XMM4 XMMDst TMP6 TMP7 i i_seq operation - MOVADQ SHUF_MASK(%rip), %xmm14 - mov arg7, %r10 # %r10 = AAD -- mov arg8, %r12 # %r12 = aadLen -- mov %r12, %r11 -+ mov arg8, %r15 # %r15 = aadLen -+ mov %r15, %r11 - pxor %xmm\i, %xmm\i - - _get_AAD_loop\num_initial_blocks\operation: -@@ -238,17 +239,17 @@ _get_AAD_loop\num_initial_blocks\operation: - psrldq $4, %xmm\i - pxor \TMP1, %xmm\i - add $4, %r10 -- sub $4, %r12 -+ sub $4, %r15 - jne _get_AAD_loop\num_initial_blocks\operation - - cmp $16, %r11 - je _get_AAD_loop2_done\num_initial_blocks\operation - -- mov $16, %r12 -+ mov $16, %r15 - _get_AAD_loop2\num_initial_blocks\operation: - psrldq $4, %xmm\i -- sub $4, %r12 -- cmp %r11, %r12 -+ sub $4, %r15 -+ cmp %r11, %r15 - jne _get_AAD_loop2\num_initial_blocks\operation - - _get_AAD_loop2_done\num_initial_blocks\operation: -@@ -443,7 +444,7 @@ _initial_blocks_done\num_initial_blocks\operation: - * num_initial_blocks = b mod 4 - * encrypt the initial num_initial_blocks blocks and apply ghash on - * the ciphertext --* %r10, %r11, %r12, %rax, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9 registers -+* %r10, %r11, %r15, %rax, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9 registers - * are clobbered - * arg1, %arg2, %arg3, %r14 are used as a pointer only, not modified - */ -@@ -453,8 +454,8 @@ _initial_blocks_done\num_initial_blocks\operation: - XMM2 XMM3 XMM4 XMMDst TMP6 TMP7 i i_seq operation - MOVADQ SHUF_MASK(%rip), %xmm14 - mov arg7, %r10 # %r10 = AAD -- mov arg8, %r12 # %r12 = aadLen -- mov %r12, %r11 -+ mov arg8, %r15 # %r15 = aadLen -+ mov %r15, %r11 - pxor %xmm\i, %xmm\i - _get_AAD_loop\num_initial_blocks\operation: - movd (%r10), \TMP1 -@@ -462,15 +463,15 @@ _get_AAD_loop\num_initial_blocks\operation: - psrldq $4, %xmm\i - pxor \TMP1, %xmm\i - add $4, %r10 -- sub $4, %r12 -+ sub $4, %r15 - jne _get_AAD_loop\num_initial_blocks\operation - cmp $16, %r11 - je _get_AAD_loop2_done\num_initial_blocks\operation -- mov $16, %r12 -+ mov $16, %r15 - _get_AAD_loop2\num_initial_blocks\operation: - psrldq $4, %xmm\i -- sub $4, %r12 -- cmp %r11, %r12 -+ sub $4, %r15 -+ cmp %r11, %r15 - jne _get_AAD_loop2\num_initial_blocks\operation - _get_AAD_loop2_done\num_initial_blocks\operation: - PSHUFB_XMM %xmm14, %xmm\i # byte-reflect the AAD data -@@ -1280,8 +1281,8 @@ _esb_loop_\@: - * poly = x^128 + x^127 + x^126 + x^121 + 1 - * - *****************************************************************************/ --ENTRY(aesni_gcm_dec) -- push %r12 -+RAP_ENTRY(aesni_gcm_dec) -+ push %r15 - push %r13 - push %r14 - mov %rsp, %r14 -@@ -1291,8 +1292,8 @@ ENTRY(aesni_gcm_dec) - */ - sub $VARIABLE_OFFSET, %rsp - and $~63, %rsp # align rsp to 64 bytes -- mov %arg6, %r12 -- movdqu (%r12), %xmm13 # %xmm13 = HashKey -+ mov %arg6, %r15 -+ movdqu (%r15), %xmm13 # %xmm13 = HashKey - movdqa SHUF_MASK(%rip), %xmm2 - PSHUFB_XMM %xmm2, %xmm13 - -@@ -1320,10 +1321,10 @@ ENTRY(aesni_gcm_dec) - movdqa %xmm13, HashKey(%rsp) # store HashKey<<1 (mod poly) - mov %arg4, %r13 # save the number of bytes of plaintext/ciphertext - and $-16, %r13 # %r13 = %r13 - (%r13 mod 16) -- mov %r13, %r12 -- and $(3<<4), %r12 -+ mov %r13, %r15 -+ and $(3<<4), %r15 - jz _initial_num_blocks_is_0_decrypt -- cmp $(2<<4), %r12 -+ cmp $(2<<4), %r15 - jb _initial_num_blocks_is_1_decrypt - je _initial_num_blocks_is_2_decrypt - _initial_num_blocks_is_3_decrypt: -@@ -1373,16 +1374,16 @@ _zero_cipher_left_decrypt: - sub $16, %r11 - add %r13, %r11 - movdqu (%arg3,%r11,1), %xmm1 # receive the last <16 byte block -- lea SHIFT_MASK+16(%rip), %r12 -- sub %r13, %r12 -+ lea SHIFT_MASK+16(%rip), %r15 -+ sub %r13, %r15 - # adjust the shuffle mask pointer to be able to shift 16-%r13 bytes - # (%r13 is the number of bytes in plaintext mod 16) -- movdqu (%r12), %xmm2 # get the appropriate shuffle mask -+ movdqu (%r15), %xmm2 # get the appropriate shuffle mask - PSHUFB_XMM %xmm2, %xmm1 # right shift 16-%r13 butes - - movdqa %xmm1, %xmm2 - pxor %xmm1, %xmm0 # Ciphertext XOR E(K, Yn) -- movdqu ALL_F-SHIFT_MASK(%r12), %xmm1 -+ movdqu ALL_F-SHIFT_MASK(%r15), %xmm1 - # get the appropriate mask to mask out top 16-%r13 bytes of %xmm0 - pand %xmm1, %xmm0 # mask out top 16-%r13 bytes of %xmm0 - pand %xmm1, %xmm2 -@@ -1411,9 +1412,9 @@ _less_than_8_bytes_left_decrypt: - sub $1, %r13 - jne _less_than_8_bytes_left_decrypt - _multiple_of_16_bytes_decrypt: -- mov arg8, %r12 # %r13 = aadLen (number of bytes) -- shl $3, %r12 # convert into number of bits -- movd %r12d, %xmm15 # len(A) in %xmm15 -+ mov arg8, %r15 # %r13 = aadLen (number of bytes) -+ shl $3, %r15 # convert into number of bits -+ movd %r15d, %xmm15 # len(A) in %xmm15 - shl $3, %arg4 # len(C) in bits (*128) - MOVQ_R64_XMM %arg4, %xmm1 - pslldq $8, %xmm15 # %xmm15 = len(A)||0x0000000000000000 -@@ -1452,8 +1453,8 @@ _return_T_done_decrypt: - mov %r14, %rsp - pop %r14 - pop %r13 -- pop %r12 -- ret -+ pop %r15 -+ pax_ret aesni_gcm_dec - ENDPROC(aesni_gcm_dec) - - -@@ -1540,8 +1541,8 @@ ENDPROC(aesni_gcm_dec) - * - * poly = x^128 + x^127 + x^126 + x^121 + 1 - ***************************************************************************/ --ENTRY(aesni_gcm_enc) -- push %r12 -+RAP_ENTRY(aesni_gcm_enc) -+ push %r15 - push %r13 - push %r14 - mov %rsp, %r14 -@@ -1551,8 +1552,8 @@ ENTRY(aesni_gcm_enc) - # - sub $VARIABLE_OFFSET, %rsp - and $~63, %rsp -- mov %arg6, %r12 -- movdqu (%r12), %xmm13 -+ mov %arg6, %r15 -+ movdqu (%r15), %xmm13 - movdqa SHUF_MASK(%rip), %xmm2 - PSHUFB_XMM %xmm2, %xmm13 - -@@ -1576,13 +1577,13 @@ ENTRY(aesni_gcm_enc) - movdqa %xmm13, HashKey(%rsp) - mov %arg4, %r13 # %xmm13 holds HashKey<<1 (mod poly) - and $-16, %r13 -- mov %r13, %r12 -+ mov %r13, %r15 - - # Encrypt first few blocks - -- and $(3<<4), %r12 -+ and $(3<<4), %r15 - jz _initial_num_blocks_is_0_encrypt -- cmp $(2<<4), %r12 -+ cmp $(2<<4), %r15 - jb _initial_num_blocks_is_1_encrypt - je _initial_num_blocks_is_2_encrypt - _initial_num_blocks_is_3_encrypt: -@@ -1635,14 +1636,14 @@ _zero_cipher_left_encrypt: - sub $16, %r11 - add %r13, %r11 - movdqu (%arg3,%r11,1), %xmm1 # receive the last <16 byte blocks -- lea SHIFT_MASK+16(%rip), %r12 -- sub %r13, %r12 -+ lea SHIFT_MASK+16(%rip), %r15 -+ sub %r13, %r15 - # adjust the shuffle mask pointer to be able to shift 16-r13 bytes - # (%r13 is the number of bytes in plaintext mod 16) -- movdqu (%r12), %xmm2 # get the appropriate shuffle mask -+ movdqu (%r15), %xmm2 # get the appropriate shuffle mask - PSHUFB_XMM %xmm2, %xmm1 # shift right 16-r13 byte - pxor %xmm1, %xmm0 # Plaintext XOR Encrypt(K, Yn) -- movdqu ALL_F-SHIFT_MASK(%r12), %xmm1 -+ movdqu ALL_F-SHIFT_MASK(%r15), %xmm1 - # get the appropriate mask to mask out top 16-r13 bytes of xmm0 - pand %xmm1, %xmm0 # mask out top 16-r13 bytes of xmm0 - movdqa SHUF_MASK(%rip), %xmm10 -@@ -1675,9 +1676,9 @@ _less_than_8_bytes_left_encrypt: - sub $1, %r13 - jne _less_than_8_bytes_left_encrypt - _multiple_of_16_bytes_encrypt: -- mov arg8, %r12 # %r12 = addLen (number of bytes) -- shl $3, %r12 -- movd %r12d, %xmm15 # len(A) in %xmm15 -+ mov arg8, %r15 # %r15 = addLen (number of bytes) -+ shl $3, %r15 -+ movd %r15d, %xmm15 # len(A) in %xmm15 - shl $3, %arg4 # len(C) in bits (*128) - MOVQ_R64_XMM %arg4, %xmm1 - pslldq $8, %xmm15 # %xmm15 = len(A)||0x0000000000000000 -@@ -1716,8 +1717,8 @@ _return_T_done_encrypt: - mov %r14, %rsp - pop %r14 - pop %r13 -- pop %r12 -- ret -+ pop %r15 -+ pax_ret aesni_gcm_enc - ENDPROC(aesni_gcm_enc) - - #endif -@@ -1734,7 +1735,7 @@ _key_expansion_256a: - pxor %xmm1, %xmm0 - movaps %xmm0, (TKEYP) - add $0x10, TKEYP -- ret -+ pax_ret _key_expansion_128 - ENDPROC(_key_expansion_128) - ENDPROC(_key_expansion_256a) - -@@ -1760,7 +1761,7 @@ _key_expansion_192a: - shufps $0b01001110, %xmm2, %xmm1 - movaps %xmm1, 0x10(TKEYP) - add $0x20, TKEYP -- ret -+ pax_ret _key_expansion_192a - ENDPROC(_key_expansion_192a) - - .align 4 -@@ -1780,7 +1781,7 @@ _key_expansion_192b: - - movaps %xmm0, (TKEYP) - add $0x10, TKEYP -- ret -+ pax_ret _key_expansion_192b - ENDPROC(_key_expansion_192b) - - .align 4 -@@ -1793,7 +1794,7 @@ _key_expansion_256b: - pxor %xmm1, %xmm2 - movaps %xmm2, (TKEYP) - add $0x10, TKEYP -- ret -+ pax_ret _key_expansion_256b - ENDPROC(_key_expansion_256b) - - /* -@@ -1820,72 +1821,72 @@ ENTRY(aesni_set_key) - movaps %xmm2, (TKEYP) - add $0x10, TKEYP - AESKEYGENASSIST 0x1 %xmm2 %xmm1 # round 1 -- call _key_expansion_256a -+ pax_direct_call _key_expansion_256a - AESKEYGENASSIST 0x1 %xmm0 %xmm1 -- call _key_expansion_256b -+ pax_direct_call _key_expansion_256b - AESKEYGENASSIST 0x2 %xmm2 %xmm1 # round 2 -- call _key_expansion_256a -+ pax_direct_call _key_expansion_256a - AESKEYGENASSIST 0x2 %xmm0 %xmm1 -- call _key_expansion_256b -+ pax_direct_call _key_expansion_256b - AESKEYGENASSIST 0x4 %xmm2 %xmm1 # round 3 -- call _key_expansion_256a -+ pax_direct_call _key_expansion_256a - AESKEYGENASSIST 0x4 %xmm0 %xmm1 -- call _key_expansion_256b -+ pax_direct_call _key_expansion_256b - AESKEYGENASSIST 0x8 %xmm2 %xmm1 # round 4 -- call _key_expansion_256a -+ pax_direct_call _key_expansion_256a - AESKEYGENASSIST 0x8 %xmm0 %xmm1 -- call _key_expansion_256b -+ pax_direct_call _key_expansion_256b - AESKEYGENASSIST 0x10 %xmm2 %xmm1 # round 5 -- call _key_expansion_256a -+ pax_direct_call _key_expansion_256a - AESKEYGENASSIST 0x10 %xmm0 %xmm1 -- call _key_expansion_256b -+ pax_direct_call _key_expansion_256b - AESKEYGENASSIST 0x20 %xmm2 %xmm1 # round 6 -- call _key_expansion_256a -+ pax_direct_call _key_expansion_256a - AESKEYGENASSIST 0x20 %xmm0 %xmm1 -- call _key_expansion_256b -+ pax_direct_call _key_expansion_256b - AESKEYGENASSIST 0x40 %xmm2 %xmm1 # round 7 -- call _key_expansion_256a -+ pax_direct_call _key_expansion_256a - jmp .Ldec_key - .Lenc_key192: - movq 0x10(UKEYP), %xmm2 # other user key - AESKEYGENASSIST 0x1 %xmm2 %xmm1 # round 1 -- call _key_expansion_192a -+ pax_direct_call _key_expansion_192a - AESKEYGENASSIST 0x2 %xmm2 %xmm1 # round 2 -- call _key_expansion_192b -+ pax_direct_call _key_expansion_192b - AESKEYGENASSIST 0x4 %xmm2 %xmm1 # round 3 -- call _key_expansion_192a -+ pax_direct_call _key_expansion_192a - AESKEYGENASSIST 0x8 %xmm2 %xmm1 # round 4 -- call _key_expansion_192b -+ pax_direct_call _key_expansion_192b - AESKEYGENASSIST 0x10 %xmm2 %xmm1 # round 5 -- call _key_expansion_192a -+ pax_direct_call _key_expansion_192a - AESKEYGENASSIST 0x20 %xmm2 %xmm1 # round 6 -- call _key_expansion_192b -+ pax_direct_call _key_expansion_192b - AESKEYGENASSIST 0x40 %xmm2 %xmm1 # round 7 -- call _key_expansion_192a -+ pax_direct_call _key_expansion_192a - AESKEYGENASSIST 0x80 %xmm2 %xmm1 # round 8 -- call _key_expansion_192b -+ pax_direct_call _key_expansion_192b - jmp .Ldec_key - .Lenc_key128: - AESKEYGENASSIST 0x1 %xmm0 %xmm1 # round 1 -- call _key_expansion_128 -+ pax_direct_call _key_expansion_128 - AESKEYGENASSIST 0x2 %xmm0 %xmm1 # round 2 -- call _key_expansion_128 -+ pax_direct_call _key_expansion_128 - AESKEYGENASSIST 0x4 %xmm0 %xmm1 # round 3 -- call _key_expansion_128 -+ pax_direct_call _key_expansion_128 - AESKEYGENASSIST 0x8 %xmm0 %xmm1 # round 4 -- call _key_expansion_128 -+ pax_direct_call _key_expansion_128 - AESKEYGENASSIST 0x10 %xmm0 %xmm1 # round 5 -- call _key_expansion_128 -+ pax_direct_call _key_expansion_128 - AESKEYGENASSIST 0x20 %xmm0 %xmm1 # round 6 -- call _key_expansion_128 -+ pax_direct_call _key_expansion_128 - AESKEYGENASSIST 0x40 %xmm0 %xmm1 # round 7 -- call _key_expansion_128 -+ pax_direct_call _key_expansion_128 - AESKEYGENASSIST 0x80 %xmm0 %xmm1 # round 8 -- call _key_expansion_128 -+ pax_direct_call _key_expansion_128 - AESKEYGENASSIST 0x1b %xmm0 %xmm1 # round 9 -- call _key_expansion_128 -+ pax_direct_call _key_expansion_128 - AESKEYGENASSIST 0x36 %xmm0 %xmm1 # round 10 -- call _key_expansion_128 -+ pax_direct_call _key_expansion_128 - .Ldec_key: - sub $0x10, TKEYP - movaps (KEYP), %xmm0 -@@ -1908,13 +1909,13 @@ ENTRY(aesni_set_key) - popl KEYP - #endif - FRAME_END -- ret -+ pax_ret aesni_set_key - ENDPROC(aesni_set_key) - - /* - * void aesni_enc(struct crypto_aes_ctx *ctx, u8 *dst, const u8 *src) - */ --ENTRY(aesni_enc) -+RAP_ENTRY(aesni_enc) - FRAME_BEGIN - #ifndef __x86_64__ - pushl KEYP -@@ -1925,14 +1926,14 @@ ENTRY(aesni_enc) - #endif - movl 480(KEYP), KLEN # key length - movups (INP), STATE # input -- call _aesni_enc1 -+ pax_direct_call _aesni_enc1 - movups STATE, (OUTP) # output - #ifndef __x86_64__ - popl KLEN - popl KEYP - #endif - FRAME_END -- ret -+ pax_ret aesni_enc - ENDPROC(aesni_enc) - - /* -@@ -1990,7 +1991,7 @@ _aesni_enc1: - AESENC KEY STATE - movaps 0x70(TKEYP), KEY - AESENCLAST KEY STATE -- ret -+ pax_ret _aesni_enc1 - ENDPROC(_aesni_enc1) - - /* -@@ -2099,13 +2100,13 @@ _aesni_enc4: - AESENCLAST KEY STATE2 - AESENCLAST KEY STATE3 - AESENCLAST KEY STATE4 -- ret -+ pax_ret _aesni_enc4 - ENDPROC(_aesni_enc4) - - /* - * void aesni_dec (struct crypto_aes_ctx *ctx, u8 *dst, const u8 *src) - */ --ENTRY(aesni_dec) -+RAP_ENTRY(aesni_dec) - FRAME_BEGIN - #ifndef __x86_64__ - pushl KEYP -@@ -2117,14 +2118,14 @@ ENTRY(aesni_dec) - mov 480(KEYP), KLEN # key length - add $240, KEYP - movups (INP), STATE # input -- call _aesni_dec1 -+ pax_direct_call _aesni_dec1 - movups STATE, (OUTP) #output - #ifndef __x86_64__ - popl KLEN - popl KEYP - #endif - FRAME_END -- ret -+ pax_ret aesni_dec - ENDPROC(aesni_dec) - - /* -@@ -2182,7 +2183,7 @@ _aesni_dec1: - AESDEC KEY STATE - movaps 0x70(TKEYP), KEY - AESDECLAST KEY STATE -- ret -+ pax_ret _aesni_dec1 - ENDPROC(_aesni_dec1) - - /* -@@ -2291,7 +2292,7 @@ _aesni_dec4: - AESDECLAST KEY STATE2 - AESDECLAST KEY STATE3 - AESDECLAST KEY STATE4 -- ret -+ pax_ret _aesni_dec4 - ENDPROC(_aesni_dec4) - - /* -@@ -2322,7 +2323,7 @@ ENTRY(aesni_ecb_enc) - movups 0x10(INP), STATE2 - movups 0x20(INP), STATE3 - movups 0x30(INP), STATE4 -- call _aesni_enc4 -+ pax_direct_call _aesni_enc4 - movups STATE1, (OUTP) - movups STATE2, 0x10(OUTP) - movups STATE3, 0x20(OUTP) -@@ -2337,7 +2338,7 @@ ENTRY(aesni_ecb_enc) - .align 4 - .Lecb_enc_loop1: - movups (INP), STATE1 -- call _aesni_enc1 -+ pax_direct_call _aesni_enc1 - movups STATE1, (OUTP) - sub $16, LEN - add $16, INP -@@ -2351,7 +2352,7 @@ ENTRY(aesni_ecb_enc) - popl LEN - #endif - FRAME_END -- ret -+ pax_ret aesni_ecb_enc - ENDPROC(aesni_ecb_enc) - - /* -@@ -2383,7 +2384,7 @@ ENTRY(aesni_ecb_dec) - movups 0x10(INP), STATE2 - movups 0x20(INP), STATE3 - movups 0x30(INP), STATE4 -- call _aesni_dec4 -+ pax_direct_call _aesni_dec4 - movups STATE1, (OUTP) - movups STATE2, 0x10(OUTP) - movups STATE3, 0x20(OUTP) -@@ -2398,7 +2399,7 @@ ENTRY(aesni_ecb_dec) - .align 4 - .Lecb_dec_loop1: - movups (INP), STATE1 -- call _aesni_dec1 -+ pax_direct_call _aesni_dec1 - movups STATE1, (OUTP) - sub $16, LEN - add $16, INP -@@ -2412,7 +2413,7 @@ ENTRY(aesni_ecb_dec) - popl LEN - #endif - FRAME_END -- ret -+ pax_ret aesni_ecb_dec - ENDPROC(aesni_ecb_dec) - - /* -@@ -2440,7 +2441,7 @@ ENTRY(aesni_cbc_enc) - .Lcbc_enc_loop: - movups (INP), IN # load input - pxor IN, STATE -- call _aesni_enc1 -+ pax_direct_call _aesni_enc1 - movups STATE, (OUTP) # store output - sub $16, LEN - add $16, INP -@@ -2456,7 +2457,7 @@ ENTRY(aesni_cbc_enc) - popl IVP - #endif - FRAME_END -- ret -+ pax_ret aesni_cbc_enc - ENDPROC(aesni_cbc_enc) - - /* -@@ -2500,7 +2501,7 @@ ENTRY(aesni_cbc_dec) - movups 0x30(INP), IN2 - movaps IN2, STATE4 - #endif -- call _aesni_dec4 -+ pax_direct_call _aesni_dec4 - pxor IV, STATE1 - #ifdef __x86_64__ - pxor IN1, STATE2 -@@ -2530,7 +2531,7 @@ ENTRY(aesni_cbc_dec) - .Lcbc_dec_loop1: - movups (INP), IN - movaps IN, STATE -- call _aesni_dec1 -+ pax_direct_call _aesni_dec1 - pxor IV, STATE - movups STATE, (OUTP) - movaps IN, IV -@@ -2549,7 +2550,7 @@ ENTRY(aesni_cbc_dec) - popl IVP - #endif - FRAME_END -- ret -+ pax_ret aesni_cbc_dec - ENDPROC(aesni_cbc_dec) - - #ifdef __x86_64__ -@@ -2578,7 +2579,7 @@ _aesni_inc_init: - mov $1, TCTR_LOW - MOVQ_R64_XMM TCTR_LOW INC - MOVQ_R64_XMM CTR TCTR_LOW -- ret -+ pax_ret _aesni_inc_init - ENDPROC(_aesni_inc_init) - - /* -@@ -2607,37 +2608,37 @@ _aesni_inc: - .Linc_low: - movaps CTR, IV - PSHUFB_XMM BSWAP_MASK IV -- ret -+ pax_ret _aesni_inc - ENDPROC(_aesni_inc) - - /* - * void aesni_ctr_enc(struct crypto_aes_ctx *ctx, const u8 *dst, u8 *src, - * size_t len, u8 *iv) - */ --ENTRY(aesni_ctr_enc) -+RAP_ENTRY(aesni_ctr_enc) - FRAME_BEGIN - cmp $16, LEN - jb .Lctr_enc_just_ret - mov 480(KEYP), KLEN - movups (IVP), IV -- call _aesni_inc_init -+ pax_direct_call _aesni_inc_init - cmp $64, LEN - jb .Lctr_enc_loop1 - .align 4 - .Lctr_enc_loop4: - movaps IV, STATE1 -- call _aesni_inc -+ pax_direct_call _aesni_inc - movups (INP), IN1 - movaps IV, STATE2 -- call _aesni_inc -+ pax_direct_call _aesni_inc - movups 0x10(INP), IN2 - movaps IV, STATE3 -- call _aesni_inc -+ pax_direct_call _aesni_inc - movups 0x20(INP), IN3 - movaps IV, STATE4 -- call _aesni_inc -+ pax_direct_call _aesni_inc - movups 0x30(INP), IN4 -- call _aesni_enc4 -+ pax_direct_call _aesni_enc4 - pxor IN1, STATE1 - movups STATE1, (OUTP) - pxor IN2, STATE2 -@@ -2656,9 +2657,9 @@ ENTRY(aesni_ctr_enc) - .align 4 - .Lctr_enc_loop1: - movaps IV, STATE -- call _aesni_inc -+ pax_direct_call _aesni_inc - movups (INP), IN -- call _aesni_enc1 -+ pax_direct_call _aesni_enc1 - pxor IN, STATE - movups STATE, (OUTP) - sub $16, LEN -@@ -2670,7 +2671,7 @@ ENTRY(aesni_ctr_enc) - movups IV, (IVP) - .Lctr_enc_just_ret: - FRAME_END -- ret -+ pax_ret aesni_ctr_enc - ENDPROC(aesni_ctr_enc) - - /* -@@ -2734,7 +2735,7 @@ ENTRY(aesni_xts_crypt8) - pxor INC, STATE4 - movdqu IV, 0x30(OUTP) - -- call *%r11 -+ pax_indirect_call "%r11", _aesni_enc4 - - movdqu 0x00(OUTP), INC - pxor INC, STATE1 -@@ -2779,7 +2780,7 @@ ENTRY(aesni_xts_crypt8) - _aesni_gf128mul_x_ble() - movups IV, (IVP) - -- call *%r11 -+ pax_indirect_call "%r11", _aesni_enc4 - - movdqu 0x40(OUTP), INC - pxor INC, STATE1 -@@ -2798,7 +2799,7 @@ ENTRY(aesni_xts_crypt8) - movdqu STATE4, 0x70(OUTP) - - FRAME_END -- ret -+ pax_ret aesni_xts_crypt8 - ENDPROC(aesni_xts_crypt8) - - #endif -diff --git a/arch/x86/crypto/aesni-intel_avx-x86_64.S b/arch/x86/crypto/aesni-intel_avx-x86_64.S -index 522ab68..782ae42 100644 ---- a/arch/x86/crypto/aesni-intel_avx-x86_64.S -+++ b/arch/x86/crypto/aesni-intel_avx-x86_64.S -@@ -121,6 +121,7 @@ - - #include - #include -+#include - - .data - .align 16 -@@ -1486,7 +1487,7 @@ ENTRY(aesni_gcm_precomp_avx_gen2) - pop %r14 - pop %r13 - pop %r12 -- ret -+ pax_ret aesni_gcm_precomp_avx_gen2 - ENDPROC(aesni_gcm_precomp_avx_gen2) - - ############################################################################### -@@ -1507,7 +1508,7 @@ ENDPROC(aesni_gcm_precomp_avx_gen2) - ############################################################################### - ENTRY(aesni_gcm_enc_avx_gen2) - GCM_ENC_DEC_AVX ENC -- ret -+ pax_ret aesni_gcm_enc_avx_gen2 - ENDPROC(aesni_gcm_enc_avx_gen2) - - ############################################################################### -@@ -1528,7 +1529,7 @@ ENDPROC(aesni_gcm_enc_avx_gen2) - ############################################################################### - ENTRY(aesni_gcm_dec_avx_gen2) - GCM_ENC_DEC_AVX DEC -- ret -+ pax_ret aesni_gcm_dec_avx_gen2 - ENDPROC(aesni_gcm_dec_avx_gen2) - #endif /* CONFIG_AS_AVX */ - -@@ -2762,7 +2763,7 @@ ENTRY(aesni_gcm_precomp_avx_gen4) - pop %r14 - pop %r13 - pop %r12 -- ret -+ pax_ret aesni_gcm_precomp_avx_gen4 - ENDPROC(aesni_gcm_precomp_avx_gen4) - - -@@ -2784,7 +2785,7 @@ ENDPROC(aesni_gcm_precomp_avx_gen4) - ############################################################################### - ENTRY(aesni_gcm_enc_avx_gen4) - GCM_ENC_DEC_AVX2 ENC -- ret -+ pax_ret aesni_gcm_enc_avx_gen4 - ENDPROC(aesni_gcm_enc_avx_gen4) - - ############################################################################### -@@ -2805,7 +2806,7 @@ ENDPROC(aesni_gcm_enc_avx_gen4) - ############################################################################### - ENTRY(aesni_gcm_dec_avx_gen4) - GCM_ENC_DEC_AVX2 DEC -- ret -+ pax_ret aesni_gcm_dec_avx_gen4 - ENDPROC(aesni_gcm_dec_avx_gen4) - - #endif /* CONFIG_AS_AVX2 */ -diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c -index aa8b067..f9da224 100644 ---- a/arch/x86/crypto/aesni-intel_glue.c -+++ b/arch/x86/crypto/aesni-intel_glue.c -@@ -71,9 +71,9 @@ struct aesni_xts_ctx { - - asmlinkage int aesni_set_key(struct crypto_aes_ctx *ctx, const u8 *in_key, - unsigned int key_len); --asmlinkage void aesni_enc(struct crypto_aes_ctx *ctx, u8 *out, -+asmlinkage void aesni_enc(void *ctx, u8 *out, - const u8 *in); --asmlinkage void aesni_dec(struct crypto_aes_ctx *ctx, u8 *out, -+asmlinkage void aesni_dec(void *ctx, u8 *out, - const u8 *in); - asmlinkage void aesni_ecb_enc(struct crypto_aes_ctx *ctx, u8 *out, - const u8 *in, unsigned int len); -@@ -83,6 +83,15 @@ asmlinkage void aesni_cbc_enc(struct crypto_aes_ctx *ctx, u8 *out, - const u8 *in, unsigned int len, u8 *iv); - asmlinkage void aesni_cbc_dec(struct crypto_aes_ctx *ctx, u8 *out, - const u8 *in, unsigned int len, u8 *iv); -+int _key_expansion_128(struct crypto_aes_ctx *ctx, const u8 *in_key, unsigned int key_len) __rap_hash; -+int _key_expansion_192a(struct crypto_aes_ctx *ctx, const u8 *in_key, unsigned int key_len) __rap_hash; -+int _key_expansion_192b(struct crypto_aes_ctx *ctx, const u8 *in_key, unsigned int key_len) __rap_hash; -+int _key_expansion_256a(struct crypto_aes_ctx *ctx, const u8 *in_key, unsigned int key_len) __rap_hash; -+int _key_expansion_256b(struct crypto_aes_ctx *ctx, const u8 *in_key, unsigned int key_len) __rap_hash; -+void _aesni_enc1(void *ctx, u8 *out, const u8 *in) __rap_hash; -+void _aesni_enc4(void *ctx, u8 *out, const u8 *in) __rap_hash; -+void _aesni_dec1(void *ctx, u8 *out, const u8 *in) __rap_hash; -+void _aesni_dec4(void *ctx, u8 *out, const u8 *in) __rap_hash; - - int crypto_fpu_init(void); - void crypto_fpu_exit(void); -@@ -96,6 +105,8 @@ static void (*aesni_ctr_enc_tfm)(struct crypto_aes_ctx *ctx, u8 *out, - const u8 *in, unsigned int len, u8 *iv); - asmlinkage void aesni_ctr_enc(struct crypto_aes_ctx *ctx, u8 *out, - const u8 *in, unsigned int len, u8 *iv); -+void _aesni_inc(struct crypto_aes_ctx *ctx, u8 *out, const u8 *in, unsigned int len, u8 *iv) __rap_hash; -+void _aesni_inc_init(struct crypto_aes_ctx *ctx, u8 *out, const u8 *in, unsigned int len, u8 *iv) __rap_hash; - - asmlinkage void aesni_xts_crypt8(struct crypto_aes_ctx *ctx, u8 *out, - const u8 *in, bool enc, u8 *iv); -diff --git a/arch/x86/crypto/blowfish-x86_64-asm_64.S b/arch/x86/crypto/blowfish-x86_64-asm_64.S -index 246c670..d4e1aa5 100644 ---- a/arch/x86/crypto/blowfish-x86_64-asm_64.S -+++ b/arch/x86/crypto/blowfish-x86_64-asm_64.S -@@ -21,6 +21,7 @@ - */ - - #include -+#include - - .file "blowfish-x86_64-asm.S" - .text -@@ -149,13 +150,13 @@ ENTRY(__blowfish_enc_blk) - jnz .L__enc_xor; - - write_block(); -- ret; -+ pax_ret __blowfish_enc_blk; - .L__enc_xor: - xor_block(); -- ret; -+ pax_ret __blowfish_enc_blk; - ENDPROC(__blowfish_enc_blk) - --ENTRY(blowfish_dec_blk) -+RAP_ENTRY(blowfish_dec_blk) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -183,7 +184,7 @@ ENTRY(blowfish_dec_blk) - - movq %r11, %rbp; - -- ret; -+ pax_ret blowfish_dec_blk; - ENDPROC(blowfish_dec_blk) - - /********************************************************************** -@@ -334,17 +335,17 @@ ENTRY(__blowfish_enc_blk_4way) - - popq %rbx; - popq %rbp; -- ret; -+ pax_ret __blowfish_enc_blk_4way; - - .L__enc_xor4: - xor_block4(); - - popq %rbx; - popq %rbp; -- ret; -+ pax_ret __blowfish_enc_blk_4way; - ENDPROC(__blowfish_enc_blk_4way) - --ENTRY(blowfish_dec_blk_4way) -+RAP_ENTRY(blowfish_dec_blk_4way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -375,5 +376,5 @@ ENTRY(blowfish_dec_blk_4way) - popq %rbx; - popq %rbp; - -- ret; -+ pax_ret blowfish_dec_blk_4way; - ENDPROC(blowfish_dec_blk_4way) -diff --git a/arch/x86/crypto/camellia-aesni-avx-asm_64.S b/arch/x86/crypto/camellia-aesni-avx-asm_64.S -index aa9e8bd..7e68f75 100644 ---- a/arch/x86/crypto/camellia-aesni-avx-asm_64.S -+++ b/arch/x86/crypto/camellia-aesni-avx-asm_64.S -@@ -17,6 +17,7 @@ - - #include - #include -+#include - - #define CAMELLIA_TABLE_BYTE_LEN 272 - -@@ -192,7 +193,7 @@ roundsm16_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd: - roundsm16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, - %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, - %rcx, (%r9)); -- ret; -+ pax_ret roundsm16_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd; - ENDPROC(roundsm16_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd) - - .align 8 -@@ -200,7 +201,7 @@ roundsm16_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab: - roundsm16(%xmm4, %xmm5, %xmm6, %xmm7, %xmm0, %xmm1, %xmm2, %xmm3, - %xmm12, %xmm13, %xmm14, %xmm15, %xmm8, %xmm9, %xmm10, %xmm11, - %rax, (%r9)); -- ret; -+ pax_ret roundsm16_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab; - ENDPROC(roundsm16_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab) - - /* -@@ -212,7 +213,7 @@ ENDPROC(roundsm16_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab) - #define two_roundsm16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ - y6, y7, mem_ab, mem_cd, i, dir, store_ab) \ - leaq (key_table + (i) * 8)(CTX), %r9; \ -- call roundsm16_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd; \ -+ pax_direct_call roundsm16_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd; \ - \ - vmovdqu x4, 0 * 16(mem_cd); \ - vmovdqu x5, 1 * 16(mem_cd); \ -@@ -224,7 +225,7 @@ ENDPROC(roundsm16_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab) - vmovdqu x3, 7 * 16(mem_cd); \ - \ - leaq (key_table + ((i) + (dir)) * 8)(CTX), %r9; \ -- call roundsm16_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab; \ -+ pax_direct_call roundsm16_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab; \ - \ - store_ab(x0, x1, x2, x3, x4, x5, x6, x7, mem_ab); - -@@ -783,7 +784,7 @@ __camellia_enc_blk16: - %xmm15, (key_table)(CTX, %r8, 8), (%rax), 1 * 16(%rax)); - - FRAME_END -- ret; -+ pax_ret camellia_xts_enc_16way; - - .align 8 - .Lenc_max32: -@@ -870,7 +871,7 @@ __camellia_dec_blk16: - %xmm15, (key_table)(CTX), (%rax), 1 * 16(%rax)); - - FRAME_END -- ret; -+ pax_ret camellia_xts_dec_16way; - - .align 8 - .Ldec_max32: -@@ -889,7 +890,7 @@ __camellia_dec_blk16: - jmp .Ldec_max24; - ENDPROC(__camellia_dec_blk16) - --ENTRY(camellia_ecb_enc_16way) -+RAP_ENTRY(camellia_ecb_enc_16way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst (16 blocks) -@@ -904,17 +905,17 @@ ENTRY(camellia_ecb_enc_16way) - /* now dst can be used as temporary buffer (even in src == dst case) */ - movq %rsi, %rax; - -- call __camellia_enc_blk16; -+ pax_direct_call __camellia_enc_blk16; - - write_output(%xmm7, %xmm6, %xmm5, %xmm4, %xmm3, %xmm2, %xmm1, %xmm0, - %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, - %xmm8, %rsi); - - FRAME_END -- ret; -+ pax_ret camellia_ecb_enc_16way; - ENDPROC(camellia_ecb_enc_16way) - --ENTRY(camellia_ecb_dec_16way) -+RAP_ENTRY(camellia_ecb_dec_16way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst (16 blocks) -@@ -934,17 +935,17 @@ ENTRY(camellia_ecb_dec_16way) - /* now dst can be used as temporary buffer (even in src == dst case) */ - movq %rsi, %rax; - -- call __camellia_dec_blk16; -+ pax_direct_call __camellia_dec_blk16; - - write_output(%xmm7, %xmm6, %xmm5, %xmm4, %xmm3, %xmm2, %xmm1, %xmm0, - %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, - %xmm8, %rsi); - - FRAME_END -- ret; -+ pax_ret camellia_ecb_dec_16way; - ENDPROC(camellia_ecb_dec_16way) - --ENTRY(camellia_cbc_dec_16way) -+RAP_ENTRY(camellia_cbc_dec_16way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst (16 blocks) -@@ -968,7 +969,7 @@ ENTRY(camellia_cbc_dec_16way) - subq $(16 * 16), %rsp; - movq %rsp, %rax; - -- call __camellia_dec_blk16; -+ pax_direct_call __camellia_dec_blk16; - - addq $(16 * 16), %rsp; - -@@ -992,7 +993,7 @@ ENTRY(camellia_cbc_dec_16way) - %xmm8, %rsi); - - FRAME_END -- ret; -+ pax_ret camellia_cbc_dec_16way; - ENDPROC(camellia_cbc_dec_16way) - - #define inc_le128(x, minus_one, tmp) \ -@@ -1001,7 +1002,7 @@ ENDPROC(camellia_cbc_dec_16way) - vpslldq $8, tmp, tmp; \ - vpsubq tmp, x, x; - --ENTRY(camellia_ctr_16way) -+RAP_ENTRY(camellia_ctr_16way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst (16 blocks) -@@ -1080,7 +1081,7 @@ ENTRY(camellia_ctr_16way) - vpxor 14 * 16(%rax), %xmm15, %xmm14; - vpxor 15 * 16(%rax), %xmm15, %xmm15; - -- call __camellia_enc_blk16; -+ pax_direct_call __camellia_enc_blk16; - - addq $(16 * 16), %rsp; - -@@ -1105,7 +1106,7 @@ ENTRY(camellia_ctr_16way) - %xmm8, %rsi); - - FRAME_END -- ret; -+ pax_ret camellia_ctr_16way; - ENDPROC(camellia_ctr_16way) - - #define gf128mul_x_ble(iv, mask, tmp) \ -@@ -1224,7 +1225,7 @@ camellia_xts_crypt_16way: - vpxor 14 * 16(%rax), %xmm15, %xmm14; - vpxor 15 * 16(%rax), %xmm15, %xmm15; - -- call *%r9; -+ pax_indirect_call "%r9", camellia_xts_enc_16way; - - addq $(16 * 16), %rsp; - -@@ -1249,10 +1250,10 @@ camellia_xts_crypt_16way: - %xmm8, %rsi); - - FRAME_END -- ret; -+ pax_ret camellia_xts_crypt_16way; - ENDPROC(camellia_xts_crypt_16way) - --ENTRY(camellia_xts_enc_16way) -+RAP_ENTRY(camellia_xts_enc_16way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst (16 blocks) -@@ -1266,7 +1267,7 @@ ENTRY(camellia_xts_enc_16way) - jmp camellia_xts_crypt_16way; - ENDPROC(camellia_xts_enc_16way) - --ENTRY(camellia_xts_dec_16way) -+RAP_ENTRY(camellia_xts_dec_16way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst (16 blocks) -diff --git a/arch/x86/crypto/camellia-aesni-avx2-asm_64.S b/arch/x86/crypto/camellia-aesni-avx2-asm_64.S -index 16186c1..a751452 100644 ---- a/arch/x86/crypto/camellia-aesni-avx2-asm_64.S -+++ b/arch/x86/crypto/camellia-aesni-avx2-asm_64.S -@@ -12,6 +12,7 @@ - - #include - #include -+#include - - #define CAMELLIA_TABLE_BYTE_LEN 272 - -@@ -231,7 +232,7 @@ roundsm32_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd: - roundsm32(%ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7, - %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14, %ymm15, - %rcx, (%r9)); -- ret; -+ pax_ret roundsm32_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd; - ENDPROC(roundsm32_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd) - - .align 8 -@@ -239,7 +240,7 @@ roundsm32_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab: - roundsm32(%ymm4, %ymm5, %ymm6, %ymm7, %ymm0, %ymm1, %ymm2, %ymm3, - %ymm12, %ymm13, %ymm14, %ymm15, %ymm8, %ymm9, %ymm10, %ymm11, - %rax, (%r9)); -- ret; -+ pax_ret roundsm32_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab; - ENDPROC(roundsm32_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab) - - /* -@@ -251,7 +252,7 @@ ENDPROC(roundsm32_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab) - #define two_roundsm32(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ - y6, y7, mem_ab, mem_cd, i, dir, store_ab) \ - leaq (key_table + (i) * 8)(CTX), %r9; \ -- call roundsm32_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd; \ -+ pax_direct_call roundsm32_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd; \ - \ - vmovdqu x0, 4 * 32(mem_cd); \ - vmovdqu x1, 5 * 32(mem_cd); \ -@@ -263,7 +264,7 @@ ENDPROC(roundsm32_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab) - vmovdqu x7, 3 * 32(mem_cd); \ - \ - leaq (key_table + ((i) + (dir)) * 8)(CTX), %r9; \ -- call roundsm32_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab; \ -+ pax_direct_call roundsm32_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab; \ - \ - store_ab(x0, x1, x2, x3, x4, x5, x6, x7, mem_ab); - -@@ -823,7 +824,7 @@ __camellia_enc_blk32: - %ymm15, (key_table)(CTX, %r8, 8), (%rax), 1 * 32(%rax)); - - FRAME_END -- ret; -+ pax_ret __camellia_enc_blk32; - - .align 8 - .Lenc_max32: -@@ -910,7 +911,7 @@ __camellia_dec_blk32: - %ymm15, (key_table)(CTX), (%rax), 1 * 32(%rax)); - - FRAME_END -- ret; -+ pax_ret __camellia_dec_blk32; - - .align 8 - .Ldec_max32: -@@ -929,7 +930,7 @@ __camellia_dec_blk32: - jmp .Ldec_max24; - ENDPROC(__camellia_dec_blk32) - --ENTRY(camellia_ecb_enc_32way) -+RAP_ENTRY(camellia_ecb_enc_32way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst (32 blocks) -@@ -946,7 +947,7 @@ ENTRY(camellia_ecb_enc_32way) - /* now dst can be used as temporary buffer (even in src == dst case) */ - movq %rsi, %rax; - -- call __camellia_enc_blk32; -+ pax_direct_call __camellia_enc_blk32; - - write_output(%ymm7, %ymm6, %ymm5, %ymm4, %ymm3, %ymm2, %ymm1, %ymm0, - %ymm15, %ymm14, %ymm13, %ymm12, %ymm11, %ymm10, %ymm9, -@@ -955,10 +956,10 @@ ENTRY(camellia_ecb_enc_32way) - vzeroupper; - - FRAME_END -- ret; -+ pax_ret camellia_ecb_enc_32way; - ENDPROC(camellia_ecb_enc_32way) - --ENTRY(camellia_ecb_dec_32way) -+RAP_ENTRY(camellia_ecb_dec_32way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst (32 blocks) -@@ -980,7 +981,7 @@ ENTRY(camellia_ecb_dec_32way) - /* now dst can be used as temporary buffer (even in src == dst case) */ - movq %rsi, %rax; - -- call __camellia_dec_blk32; -+ pax_direct_call __camellia_dec_blk32; - - write_output(%ymm7, %ymm6, %ymm5, %ymm4, %ymm3, %ymm2, %ymm1, %ymm0, - %ymm15, %ymm14, %ymm13, %ymm12, %ymm11, %ymm10, %ymm9, -@@ -989,10 +990,10 @@ ENTRY(camellia_ecb_dec_32way) - vzeroupper; - - FRAME_END -- ret; -+ pax_ret camellia_ecb_dec_32way; - ENDPROC(camellia_ecb_dec_32way) - --ENTRY(camellia_cbc_dec_32way) -+RAP_ENTRY(camellia_cbc_dec_32way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst (32 blocks) -@@ -1028,7 +1029,7 @@ ENTRY(camellia_cbc_dec_32way) - movq %rsp, %rax; - - .Lcbc_dec_continue: -- call __camellia_dec_blk32; -+ pax_direct_call __camellia_dec_blk32; - - vmovdqu %ymm7, (%rax); - vpxor %ymm7, %ymm7, %ymm7; -@@ -1057,7 +1058,7 @@ ENTRY(camellia_cbc_dec_32way) - vzeroupper; - - FRAME_END -- ret; -+ pax_ret camellia_cbc_dec_32way; - ENDPROC(camellia_cbc_dec_32way) - - #define inc_le128(x, minus_one, tmp) \ -@@ -1074,7 +1075,7 @@ ENDPROC(camellia_cbc_dec_32way) - vpslldq $8, tmp1, tmp1; \ - vpsubq tmp1, x, x; - --ENTRY(camellia_ctr_32way) -+RAP_ENTRY(camellia_ctr_32way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst (32 blocks) -@@ -1170,7 +1171,7 @@ ENTRY(camellia_ctr_32way) - vpxor 14 * 32(%rax), %ymm15, %ymm14; - vpxor 15 * 32(%rax), %ymm15, %ymm15; - -- call __camellia_enc_blk32; -+ pax_direct_call __camellia_enc_blk32; - - movq %r10, %rsp; - -@@ -1197,7 +1198,7 @@ ENTRY(camellia_ctr_32way) - vzeroupper; - - FRAME_END -- ret; -+ pax_ret camellia_ctr_32way; - ENDPROC(camellia_ctr_32way) - - #define gf128mul_x_ble(iv, mask, tmp) \ -@@ -1337,7 +1338,7 @@ camellia_xts_crypt_32way: - vpxor 14 * 32(%rax), %ymm15, %ymm14; - vpxor 15 * 32(%rax), %ymm15, %ymm15; - -- call *%r9; -+ pax_indirect_call "%r9", __camellia_enc_blk32; - - addq $(16 * 32), %rsp; - -@@ -1364,10 +1365,10 @@ camellia_xts_crypt_32way: - vzeroupper; - - FRAME_END -- ret; -+ pax_ret camellia_xts_crypt_32way; - ENDPROC(camellia_xts_crypt_32way) - --ENTRY(camellia_xts_enc_32way) -+RAP_ENTRY(camellia_xts_enc_32way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst (32 blocks) -@@ -1382,7 +1383,7 @@ ENTRY(camellia_xts_enc_32way) - jmp camellia_xts_crypt_32way; - ENDPROC(camellia_xts_enc_32way) - --ENTRY(camellia_xts_dec_32way) -+RAP_ENTRY(camellia_xts_dec_32way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst (32 blocks) -diff --git a/arch/x86/crypto/camellia-x86_64-asm_64.S b/arch/x86/crypto/camellia-x86_64-asm_64.S -index 310319c..4fa639a 100644 ---- a/arch/x86/crypto/camellia-x86_64-asm_64.S -+++ b/arch/x86/crypto/camellia-x86_64-asm_64.S -@@ -21,6 +21,7 @@ - */ - - #include -+#include - - .file "camellia-x86_64-asm_64.S" - .text -@@ -228,16 +229,16 @@ ENTRY(__camellia_enc_blk) - enc_outunpack(mov, RT1); - - movq RRBP, %rbp; -- ret; -+ pax_ret __camellia_enc_blk; - - .L__enc_xor: - enc_outunpack(xor, RT1); - - movq RRBP, %rbp; -- ret; -+ pax_ret __camellia_enc_blk; - ENDPROC(__camellia_enc_blk) - --ENTRY(camellia_dec_blk) -+RAP_ENTRY(camellia_dec_blk) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -272,7 +273,7 @@ ENTRY(camellia_dec_blk) - dec_outunpack(); - - movq RRBP, %rbp; -- ret; -+ pax_ret camellia_dec_blk; - ENDPROC(camellia_dec_blk) - - /********************************************************************** -@@ -463,17 +464,17 @@ ENTRY(__camellia_enc_blk_2way) - - movq RRBP, %rbp; - popq %rbx; -- ret; -+ pax_ret __camellia_enc_blk_2way; - - .L__enc2_xor: - enc_outunpack2(xor, RT2); - - movq RRBP, %rbp; - popq %rbx; -- ret; -+ pax_ret __camellia_enc_blk_2way; - ENDPROC(__camellia_enc_blk_2way) - --ENTRY(camellia_dec_blk_2way) -+RAP_ENTRY(camellia_dec_blk_2way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -510,5 +511,5 @@ ENTRY(camellia_dec_blk_2way) - - movq RRBP, %rbp; - movq RXOR, %rbx; -- ret; -+ pax_ret camellia_dec_blk_2way; - ENDPROC(camellia_dec_blk_2way) -diff --git a/arch/x86/crypto/camellia_aesni_avx2_glue.c b/arch/x86/crypto/camellia_aesni_avx2_glue.c -index 60907c1..3fc99c4 100644 ---- a/arch/x86/crypto/camellia_aesni_avx2_glue.c -+++ b/arch/x86/crypto/camellia_aesni_avx2_glue.c -@@ -27,20 +27,22 @@ - #define CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS 32 - - /* 32-way AVX2/AES-NI parallel cipher functions */ --asmlinkage void camellia_ecb_enc_32way(struct camellia_ctx *ctx, u8 *dst, -+asmlinkage void camellia_ecb_enc_32way(void *ctx, u8 *dst, - const u8 *src); --asmlinkage void camellia_ecb_dec_32way(struct camellia_ctx *ctx, u8 *dst, -+asmlinkage void camellia_ecb_dec_32way(void *ctx, u8 *dst, - const u8 *src); -+void __camellia_enc_blk32(void *ctx, u8 *dst, const u8 *src) __rap_hash; -+void __camellia_dec_blk32(void *ctx, u8 *dst, const u8 *src) __rap_hash; - --asmlinkage void camellia_cbc_dec_32way(struct camellia_ctx *ctx, u8 *dst, -+asmlinkage void camellia_cbc_dec_32way(void *ctx, u8 *dst, - const u8 *src); --asmlinkage void camellia_ctr_32way(struct camellia_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); -+asmlinkage void camellia_ctr_32way(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); - --asmlinkage void camellia_xts_enc_32way(struct camellia_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); --asmlinkage void camellia_xts_dec_32way(struct camellia_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); -+asmlinkage void camellia_xts_enc_32way(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); -+asmlinkage void camellia_xts_dec_32way(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); - - static const struct common_glue_ctx camellia_enc = { - .num_funcs = 4, -diff --git a/arch/x86/crypto/camellia_aesni_avx_glue.c b/arch/x86/crypto/camellia_aesni_avx_glue.c -index d96429d..18ab2e6 100644 ---- a/arch/x86/crypto/camellia_aesni_avx_glue.c -+++ b/arch/x86/crypto/camellia_aesni_avx_glue.c -@@ -26,28 +26,28 @@ - #define CAMELLIA_AESNI_PARALLEL_BLOCKS 16 - - /* 16-way parallel cipher functions (avx/aes-ni) */ --asmlinkage void camellia_ecb_enc_16way(struct camellia_ctx *ctx, u8 *dst, -+asmlinkage void camellia_ecb_enc_16way(void *ctx, u8 *dst, - const u8 *src); - EXPORT_SYMBOL_GPL(camellia_ecb_enc_16way); - --asmlinkage void camellia_ecb_dec_16way(struct camellia_ctx *ctx, u8 *dst, -+asmlinkage void camellia_ecb_dec_16way(void *ctx, u8 *dst, - const u8 *src); - EXPORT_SYMBOL_GPL(camellia_ecb_dec_16way); - --asmlinkage void camellia_cbc_dec_16way(struct camellia_ctx *ctx, u8 *dst, -+asmlinkage void camellia_cbc_dec_16way(void *ctx, u8 *dst, - const u8 *src); - EXPORT_SYMBOL_GPL(camellia_cbc_dec_16way); - --asmlinkage void camellia_ctr_16way(struct camellia_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); -+asmlinkage void camellia_ctr_16way(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); - EXPORT_SYMBOL_GPL(camellia_ctr_16way); - --asmlinkage void camellia_xts_enc_16way(struct camellia_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); -+asmlinkage void camellia_xts_enc_16way(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); - EXPORT_SYMBOL_GPL(camellia_xts_enc_16way); - --asmlinkage void camellia_xts_dec_16way(struct camellia_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); -+asmlinkage void camellia_xts_dec_16way(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); - EXPORT_SYMBOL_GPL(camellia_xts_dec_16way); - - void camellia_xts_enc(void *ctx, u128 *dst, const u128 *src, le128 *iv) -diff --git a/arch/x86/crypto/camellia_glue.c b/arch/x86/crypto/camellia_glue.c -index aa76cad..ffd8808 100644 ---- a/arch/x86/crypto/camellia_glue.c -+++ b/arch/x86/crypto/camellia_glue.c -@@ -39,7 +39,7 @@ - asmlinkage void __camellia_enc_blk(struct camellia_ctx *ctx, u8 *dst, - const u8 *src, bool xor); - EXPORT_SYMBOL_GPL(__camellia_enc_blk); --asmlinkage void camellia_dec_blk(struct camellia_ctx *ctx, u8 *dst, -+asmlinkage void camellia_dec_blk(void *ctx, u8 *dst, - const u8 *src); - EXPORT_SYMBOL_GPL(camellia_dec_blk); - -@@ -47,7 +47,7 @@ EXPORT_SYMBOL_GPL(camellia_dec_blk); - asmlinkage void __camellia_enc_blk_2way(struct camellia_ctx *ctx, u8 *dst, - const u8 *src, bool xor); - EXPORT_SYMBOL_GPL(__camellia_enc_blk_2way); --asmlinkage void camellia_dec_blk_2way(struct camellia_ctx *ctx, u8 *dst, -+asmlinkage void camellia_dec_blk_2way(void *ctx, u8 *dst, - const u8 *src); - EXPORT_SYMBOL_GPL(camellia_dec_blk_2way); - -@@ -1279,8 +1279,10 @@ static int camellia_setkey(struct crypto_tfm *tfm, const u8 *in_key, - &tfm->crt_flags); - } - --void camellia_decrypt_cbc_2way(void *ctx, u128 *dst, const u128 *src) -+void camellia_decrypt_cbc_2way(void *ctx, u8 *_dst, const u8 *_src) - { -+ u128 *dst = (u128 *)_dst; -+ u128 *src = (u128 *)_src; - u128 iv = *src; - - camellia_dec_blk_2way(ctx, (u8 *)dst, (u8 *)src); -diff --git a/arch/x86/crypto/cast5-avx-x86_64-asm_64.S b/arch/x86/crypto/cast5-avx-x86_64-asm_64.S -index 14fa196..80d99b6 100644 ---- a/arch/x86/crypto/cast5-avx-x86_64-asm_64.S -+++ b/arch/x86/crypto/cast5-avx-x86_64-asm_64.S -@@ -25,6 +25,7 @@ - - #include - #include -+#include - - .file "cast5-avx-x86_64-asm_64.S" - -@@ -282,7 +283,7 @@ __cast5_enc_blk16: - outunpack_blocks(RR3, RL3, RTMP, RX, RKM); - outunpack_blocks(RR4, RL4, RTMP, RX, RKM); - -- ret; -+ pax_ret __cast5_enc_blk16; - ENDPROC(__cast5_enc_blk16) - - .align 16 -@@ -353,14 +354,14 @@ __cast5_dec_blk16: - outunpack_blocks(RR3, RL3, RTMP, RX, RKM); - outunpack_blocks(RR4, RL4, RTMP, RX, RKM); - -- ret; -+ pax_ret __cast5_dec_blk16; - - .L__skip_dec: - vpsrldq $4, RKR, RKR; - jmp .L__dec_tail; - ENDPROC(__cast5_dec_blk16) - --ENTRY(cast5_ecb_enc_16way) -+RAP_ENTRY(cast5_ecb_enc_16way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -379,7 +380,7 @@ ENTRY(cast5_ecb_enc_16way) - vmovdqu (6*4*4)(%rdx), RL4; - vmovdqu (7*4*4)(%rdx), RR4; - -- call __cast5_enc_blk16; -+ pax_direct_call __cast5_enc_blk16; - - vmovdqu RR1, (0*4*4)(%r11); - vmovdqu RL1, (1*4*4)(%r11); -@@ -391,10 +392,10 @@ ENTRY(cast5_ecb_enc_16way) - vmovdqu RL4, (7*4*4)(%r11); - - FRAME_END -- ret; -+ pax_ret cast5_ecb_enc_16way; - ENDPROC(cast5_ecb_enc_16way) - --ENTRY(cast5_ecb_dec_16way) -+RAP_ENTRY(cast5_ecb_dec_16way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -413,7 +414,7 @@ ENTRY(cast5_ecb_dec_16way) - vmovdqu (6*4*4)(%rdx), RL4; - vmovdqu (7*4*4)(%rdx), RR4; - -- call __cast5_dec_blk16; -+ pax_direct_call __cast5_dec_blk16; - - vmovdqu RR1, (0*4*4)(%r11); - vmovdqu RL1, (1*4*4)(%r11); -@@ -425,7 +426,7 @@ ENTRY(cast5_ecb_dec_16way) - vmovdqu RL4, (7*4*4)(%r11); - - FRAME_END -- ret; -+ pax_ret cast5_ecb_dec_16way; - ENDPROC(cast5_ecb_dec_16way) - - ENTRY(cast5_cbc_dec_16way) -@@ -436,10 +437,10 @@ ENTRY(cast5_cbc_dec_16way) - */ - FRAME_BEGIN - -- pushq %r12; -+ pushq %r14; - - movq %rsi, %r11; -- movq %rdx, %r12; -+ movq %rdx, %r14; - - vmovdqu (0*16)(%rdx), RL1; - vmovdqu (1*16)(%rdx), RR1; -@@ -450,19 +451,19 @@ ENTRY(cast5_cbc_dec_16way) - vmovdqu (6*16)(%rdx), RL4; - vmovdqu (7*16)(%rdx), RR4; - -- call __cast5_dec_blk16; -+ pax_direct_call __cast5_dec_blk16; - - /* xor with src */ -- vmovq (%r12), RX; -+ vmovq (%r14), RX; - vpshufd $0x4f, RX, RX; - vpxor RX, RR1, RR1; -- vpxor 0*16+8(%r12), RL1, RL1; -- vpxor 1*16+8(%r12), RR2, RR2; -- vpxor 2*16+8(%r12), RL2, RL2; -- vpxor 3*16+8(%r12), RR3, RR3; -- vpxor 4*16+8(%r12), RL3, RL3; -- vpxor 5*16+8(%r12), RR4, RR4; -- vpxor 6*16+8(%r12), RL4, RL4; -+ vpxor 0*16+8(%r14), RL1, RL1; -+ vpxor 1*16+8(%r14), RR2, RR2; -+ vpxor 2*16+8(%r14), RL2, RL2; -+ vpxor 3*16+8(%r14), RR3, RR3; -+ vpxor 4*16+8(%r14), RL3, RL3; -+ vpxor 5*16+8(%r14), RR4, RR4; -+ vpxor 6*16+8(%r14), RL4, RL4; - - vmovdqu RR1, (0*16)(%r11); - vmovdqu RL1, (1*16)(%r11); -@@ -473,10 +474,10 @@ ENTRY(cast5_cbc_dec_16way) - vmovdqu RR4, (6*16)(%r11); - vmovdqu RL4, (7*16)(%r11); - -- popq %r12; -+ popq %r14; - - FRAME_END -- ret; -+ pax_ret cast5_cbc_dec_16way; - ENDPROC(cast5_cbc_dec_16way) - - ENTRY(cast5_ctr_16way) -@@ -488,10 +489,10 @@ ENTRY(cast5_ctr_16way) - */ - FRAME_BEGIN - -- pushq %r12; -+ pushq %r14; - - movq %rsi, %r11; -- movq %rdx, %r12; -+ movq %rdx, %r14; - - vpcmpeqd RTMP, RTMP, RTMP; - vpsrldq $8, RTMP, RTMP; /* low: -1, high: 0 */ -@@ -528,17 +529,17 @@ ENTRY(cast5_ctr_16way) - vpshufb R1ST, RX, RX; /* be: IV16, IV16 */ - vmovq RX, (%rcx); - -- call __cast5_enc_blk16; -+ pax_direct_call __cast5_enc_blk16; - - /* dst = src ^ iv */ -- vpxor (0*16)(%r12), RR1, RR1; -- vpxor (1*16)(%r12), RL1, RL1; -- vpxor (2*16)(%r12), RR2, RR2; -- vpxor (3*16)(%r12), RL2, RL2; -- vpxor (4*16)(%r12), RR3, RR3; -- vpxor (5*16)(%r12), RL3, RL3; -- vpxor (6*16)(%r12), RR4, RR4; -- vpxor (7*16)(%r12), RL4, RL4; -+ vpxor (0*16)(%r14), RR1, RR1; -+ vpxor (1*16)(%r14), RL1, RL1; -+ vpxor (2*16)(%r14), RR2, RR2; -+ vpxor (3*16)(%r14), RL2, RL2; -+ vpxor (4*16)(%r14), RR3, RR3; -+ vpxor (5*16)(%r14), RL3, RL3; -+ vpxor (6*16)(%r14), RR4, RR4; -+ vpxor (7*16)(%r14), RL4, RL4; - vmovdqu RR1, (0*16)(%r11); - vmovdqu RL1, (1*16)(%r11); - vmovdqu RR2, (2*16)(%r11); -@@ -548,8 +549,8 @@ ENTRY(cast5_ctr_16way) - vmovdqu RR4, (6*16)(%r11); - vmovdqu RL4, (7*16)(%r11); - -- popq %r12; -+ popq %r14; - - FRAME_END -- ret; -+ pax_ret cast5_ctr_16way; - ENDPROC(cast5_ctr_16way) -diff --git a/arch/x86/crypto/cast5_avx_glue.c b/arch/x86/crypto/cast5_avx_glue.c -index 8648158..b56922a 100644 ---- a/arch/x86/crypto/cast5_avx_glue.c -+++ b/arch/x86/crypto/cast5_avx_glue.c -@@ -44,6 +44,8 @@ asmlinkage void cast5_cbc_dec_16way(struct cast5_ctx *ctx, u8 *dst, - const u8 *src); - asmlinkage void cast5_ctr_16way(struct cast5_ctx *ctx, u8 *dst, const u8 *src, - __be64 *iv); -+void __cast5_enc_blk16(struct cast5_ctx *ctx, u8 *dst, const u8 *src) __rap_hash; -+void __cast5_dec_blk16(struct cast5_ctx *ctx, u8 *dst, const u8 *src) __rap_hash; - - static inline bool cast5_fpu_begin(bool fpu_enabled, unsigned int nbytes) - { -diff --git a/arch/x86/crypto/cast6-avx-x86_64-asm_64.S b/arch/x86/crypto/cast6-avx-x86_64-asm_64.S -index c419389..7e2ed7c 100644 ---- a/arch/x86/crypto/cast6-avx-x86_64-asm_64.S -+++ b/arch/x86/crypto/cast6-avx-x86_64-asm_64.S -@@ -25,6 +25,7 @@ - - #include - #include -+#include - #include "glue_helper-asm-avx.S" - - .file "cast6-avx-x86_64-asm_64.S" -@@ -296,7 +297,7 @@ __cast6_enc_blk8: - outunpack_blocks(RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM); - outunpack_blocks(RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM); - -- ret; -+ pax_ret __cast6_enc_blk8; - ENDPROC(__cast6_enc_blk8) - - .align 8 -@@ -341,10 +342,10 @@ __cast6_dec_blk8: - outunpack_blocks(RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM); - outunpack_blocks(RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM); - -- ret; -+ pax_ret __cast6_dec_blk8; - ENDPROC(__cast6_dec_blk8) - --ENTRY(cast6_ecb_enc_8way) -+RAP_ENTRY(cast6_ecb_enc_8way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -356,15 +357,15 @@ ENTRY(cast6_ecb_enc_8way) - - load_8way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -- call __cast6_enc_blk8; -+ pax_direct_call __cast6_enc_blk8; - - store_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - - FRAME_END -- ret; -+ pax_ret cast6_ecb_enc_8way; - ENDPROC(cast6_ecb_enc_8way) - --ENTRY(cast6_ecb_dec_8way) -+RAP_ENTRY(cast6_ecb_dec_8way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -376,15 +377,15 @@ ENTRY(cast6_ecb_dec_8way) - - load_8way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -- call __cast6_dec_blk8; -+ pax_direct_call __cast6_dec_blk8; - - store_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - - FRAME_END -- ret; -+ pax_ret cast6_ecb_dec_8way; - ENDPROC(cast6_ecb_dec_8way) - --ENTRY(cast6_cbc_dec_8way) -+RAP_ENTRY(cast6_cbc_dec_8way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -392,24 +393,24 @@ ENTRY(cast6_cbc_dec_8way) - */ - FRAME_BEGIN - -- pushq %r12; -+ pushq %r14; - - movq %rsi, %r11; -- movq %rdx, %r12; -+ movq %rdx, %r14; - - load_8way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -- call __cast6_dec_blk8; -+ pax_direct_call __cast6_dec_blk8; - -- store_cbc_8way(%r12, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); -+ store_cbc_8way(%r14, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -- popq %r12; -+ popq %r14; - - FRAME_END -- ret; -+ pax_ret cast6_cbc_dec_8way; - ENDPROC(cast6_cbc_dec_8way) - --ENTRY(cast6_ctr_8way) -+RAP_ENTRY(cast6_ctr_8way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -418,25 +419,25 @@ ENTRY(cast6_ctr_8way) - */ - FRAME_BEGIN - -- pushq %r12; -+ pushq %r14; - - movq %rsi, %r11; -- movq %rdx, %r12; -+ movq %rdx, %r14; - - load_ctr_8way(%rcx, .Lbswap128_mask, RA1, RB1, RC1, RD1, RA2, RB2, RC2, - RD2, RX, RKR, RKM); - -- call __cast6_enc_blk8; -+ pax_direct_call __cast6_enc_blk8; - -- store_ctr_8way(%r12, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); -+ store_ctr_8way(%r14, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -- popq %r12; -+ popq %r14; - - FRAME_END -- ret; -+ pax_ret cast6_ctr_8way; - ENDPROC(cast6_ctr_8way) - --ENTRY(cast6_xts_enc_8way) -+RAP_ENTRY(cast6_xts_enc_8way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -451,16 +452,16 @@ ENTRY(cast6_xts_enc_8way) - load_xts_8way(%rcx, %rdx, %rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2, - RX, RKR, RKM, .Lxts_gf128mul_and_shl1_mask); - -- call __cast6_enc_blk8; -+ pax_direct_call __cast6_enc_blk8; - - /* dst <= regs xor IVs(in dst) */ - store_xts_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - - FRAME_END -- ret; -+ pax_ret cast6_xts_enc_8way; - ENDPROC(cast6_xts_enc_8way) - --ENTRY(cast6_xts_dec_8way) -+RAP_ENTRY(cast6_xts_dec_8way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -475,11 +476,11 @@ ENTRY(cast6_xts_dec_8way) - load_xts_8way(%rcx, %rdx, %rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2, - RX, RKR, RKM, .Lxts_gf128mul_and_shl1_mask); - -- call __cast6_dec_blk8; -+ pax_direct_call __cast6_dec_blk8; - - /* dst <= regs xor IVs(in dst) */ - store_xts_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - - FRAME_END -- ret; -+ pax_ret cast6_xts_dec_8way; - ENDPROC(cast6_xts_dec_8way) -diff --git a/arch/x86/crypto/cast6_avx_glue.c b/arch/x86/crypto/cast6_avx_glue.c -index 50e6847..593d632 100644 ---- a/arch/x86/crypto/cast6_avx_glue.c -+++ b/arch/x86/crypto/cast6_avx_glue.c -@@ -41,20 +41,23 @@ - - #define CAST6_PARALLEL_BLOCKS 8 - --asmlinkage void cast6_ecb_enc_8way(struct cast6_ctx *ctx, u8 *dst, -+asmlinkage void cast6_ecb_enc_8way(void *ctx, u8 *dst, - const u8 *src); --asmlinkage void cast6_ecb_dec_8way(struct cast6_ctx *ctx, u8 *dst, -+asmlinkage void cast6_ecb_dec_8way(void *ctx, u8 *dst, - const u8 *src); - --asmlinkage void cast6_cbc_dec_8way(struct cast6_ctx *ctx, u8 *dst, -+asmlinkage void cast6_cbc_dec_8way(void *ctx, u8 *dst, - const u8 *src); --asmlinkage void cast6_ctr_8way(struct cast6_ctx *ctx, u8 *dst, const u8 *src, -+asmlinkage void cast6_ctr_8way(void *ctx, u128 *dst, const u128 *src, - le128 *iv); - --asmlinkage void cast6_xts_enc_8way(struct cast6_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); --asmlinkage void cast6_xts_dec_8way(struct cast6_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); -+asmlinkage void cast6_xts_enc_8way(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); -+asmlinkage void cast6_xts_dec_8way(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); -+ -+void __cast6_enc_blk8(void *ctx, u8 *dst, const u8 *src) __rap_hash; -+void __cast6_dec_blk8(void *ctx, u8 *dst, const u8 *src) __rap_hash; - - static void cast6_xts_enc(void *ctx, u128 *dst, const u128 *src, le128 *iv) - { -diff --git a/arch/x86/crypto/chacha20-avx2-x86_64.S b/arch/x86/crypto/chacha20-avx2-x86_64.S -index 16694e6..4675b5e 100644 ---- a/arch/x86/crypto/chacha20-avx2-x86_64.S -+++ b/arch/x86/crypto/chacha20-avx2-x86_64.S -@@ -10,6 +10,7 @@ - */ - - #include -+#include - - .data - .align 32 -@@ -439,5 +440,5 @@ ENTRY(chacha20_8block_xor_avx2) - - vzeroupper - mov %r8,%rsp -- ret -+ pax_ret chacha20_8block_xor_avx2 - ENDPROC(chacha20_8block_xor_avx2) -diff --git a/arch/x86/crypto/chacha20-ssse3-x86_64.S b/arch/x86/crypto/chacha20-ssse3-x86_64.S -index 3a33124..ba21c6f 100644 ---- a/arch/x86/crypto/chacha20-ssse3-x86_64.S -+++ b/arch/x86/crypto/chacha20-ssse3-x86_64.S -@@ -10,6 +10,7 @@ - */ - - #include -+#include - - .data - .align 16 -@@ -139,7 +140,7 @@ ENTRY(chacha20_block_xor_ssse3) - pxor %xmm7,%xmm3 - movdqu %xmm3,0x30(%rsi) - -- ret -+ pax_ret chacha20_block_xor_ssse3 - ENDPROC(chacha20_block_xor_ssse3) - - ENTRY(chacha20_4block_xor_ssse3) -@@ -623,5 +624,5 @@ ENTRY(chacha20_4block_xor_ssse3) - movdqu %xmm15,0xf0(%rsi) - - mov %r11,%rsp -- ret -+ pax_ret chacha20_4block_xor_ssse3 - ENDPROC(chacha20_4block_xor_ssse3) -diff --git a/arch/x86/crypto/crc32-pclmul_asm.S b/arch/x86/crypto/crc32-pclmul_asm.S -index f247304..d253bd1 100644 ---- a/arch/x86/crypto/crc32-pclmul_asm.S -+++ b/arch/x86/crypto/crc32-pclmul_asm.S -@@ -39,6 +39,7 @@ - - #include - #include -+#include - - - .align 16 -@@ -102,6 +103,12 @@ - * size_t len, uint crc32) - */ - -+#ifndef __x86_64__ -+__i686_get_pc_thunk_cx: -+ mov (%esp),%ecx -+ ret -+#endif -+ - ENTRY(crc32_pclmul_le_16) /* buffer and buffer size are 16 bytes aligned */ - movdqa (BUF), %xmm1 - movdqa 0x10(BUF), %xmm2 -@@ -113,9 +120,8 @@ ENTRY(crc32_pclmul_le_16) /* buffer and buffer size are 16 bytes aligned */ - add $0x40, BUF - #ifndef __x86_64__ - /* This is for position independent code(-fPIC) support for 32bit */ -- call delta -+ call __i686_get_pc_thunk_cx - delta: -- pop %ecx - #endif - cmp $0x40, LEN - jb less_64 -@@ -123,7 +129,7 @@ delta: - #ifdef __x86_64__ - movdqa .Lconstant_R2R1(%rip), CONSTANT - #else -- movdqa .Lconstant_R2R1 - delta(%ecx), CONSTANT -+ movdqa %cs:.Lconstant_R2R1 - delta (%ecx), CONSTANT - #endif - - loop_64:/* 64 bytes Full cache line folding */ -@@ -172,7 +178,7 @@ less_64:/* Folding cache line into 128bit */ - #ifdef __x86_64__ - movdqa .Lconstant_R4R3(%rip), CONSTANT - #else -- movdqa .Lconstant_R4R3 - delta(%ecx), CONSTANT -+ movdqa %cs:.Lconstant_R4R3 - delta(%ecx), CONSTANT - #endif - prefetchnta (BUF) - -@@ -220,8 +226,8 @@ fold_64: - movdqa .Lconstant_R5(%rip), CONSTANT - movdqa .Lconstant_mask32(%rip), %xmm3 - #else -- movdqa .Lconstant_R5 - delta(%ecx), CONSTANT -- movdqa .Lconstant_mask32 - delta(%ecx), %xmm3 -+ movdqa %cs:.Lconstant_R5 - delta(%ecx), CONSTANT -+ movdqa %cs:.Lconstant_mask32 - delta(%ecx), %xmm3 - #endif - psrldq $0x04, %xmm2 - pand %xmm3, %xmm1 -@@ -232,7 +238,7 @@ fold_64: - #ifdef __x86_64__ - movdqa .Lconstant_RUpoly(%rip), CONSTANT - #else -- movdqa .Lconstant_RUpoly - delta(%ecx), CONSTANT -+ movdqa %cs:.Lconstant_RUpoly - delta(%ecx), CONSTANT - #endif - movdqa %xmm1, %xmm2 - pand %xmm3, %xmm1 -@@ -242,5 +248,5 @@ fold_64: - pxor %xmm2, %xmm1 - PEXTRD 0x01, %xmm1, %eax - -- ret -+ pax_ret crc32_pclmul_le_16 - ENDPROC(crc32_pclmul_le_16) -diff --git a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S -index dc05f010..83302a8 100644 ---- a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S -+++ b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S -@@ -45,6 +45,7 @@ - - #include - #include -+#include - - ## ISCSI CRC 32 Implementation with crc32 and pclmulqdq Instruction - -@@ -309,7 +310,7 @@ do_return: - popq %rsi - popq %rdi - popq %rbx -- ret -+ pax_ret crc_pcl - ENDPROC(crc_pcl) - - .section .rodata, "a", %progbits -diff --git a/arch/x86/crypto/crct10dif-pcl-asm_64.S b/arch/x86/crypto/crct10dif-pcl-asm_64.S -index 35e9756..5048353 100644 ---- a/arch/x86/crypto/crct10dif-pcl-asm_64.S -+++ b/arch/x86/crypto/crct10dif-pcl-asm_64.S -@@ -59,6 +59,7 @@ - # - - #include -+#include - - .text - -@@ -367,7 +368,7 @@ _cleanup: - # scale the result back to 16 bits - shr $16, %eax - mov %rcx, %rsp -- ret -+ pax_ret crc_t10dif_pcl - - ######################################################################## - -diff --git a/arch/x86/crypto/des3_ede-asm_64.S b/arch/x86/crypto/des3_ede-asm_64.S -index 038f6ae..ec7142bf 100644 ---- a/arch/x86/crypto/des3_ede-asm_64.S -+++ b/arch/x86/crypto/des3_ede-asm_64.S -@@ -15,6 +15,7 @@ - */ - - #include -+#include - - .file "des3_ede-asm_64.S" - .text -@@ -250,7 +251,7 @@ ENTRY(des3_ede_x86_64_crypt_blk) - popq %rbx; - popq %rbp; - -- ret; -+ pax_ret des3_ede_x86_64_crypt_blk; - ENDPROC(des3_ede_x86_64_crypt_blk) - - /*********************************************************************** -@@ -534,7 +535,7 @@ ENTRY(des3_ede_x86_64_crypt_blk_3way) - popq %rbx; - popq %rbp; - -- ret; -+ pax_ret des3_ede_x86_64_crypt_blk_3way; - ENDPROC(des3_ede_x86_64_crypt_blk_3way) - - .data -diff --git a/arch/x86/crypto/ghash-clmulni-intel_asm.S b/arch/x86/crypto/ghash-clmulni-intel_asm.S -index eed55c8..18f64dc 100644 ---- a/arch/x86/crypto/ghash-clmulni-intel_asm.S -+++ b/arch/x86/crypto/ghash-clmulni-intel_asm.S -@@ -19,6 +19,7 @@ - #include - #include - #include -+#include - - .data - -@@ -90,7 +91,7 @@ __clmul_gf128mul_ble: - psrlq $1, T2 - pxor T2, T1 - pxor T1, DATA -- ret -+ pax_ret __clmul_gf128mul_ble - ENDPROC(__clmul_gf128mul_ble) - - /* void clmul_ghash_mul(char *dst, const u128 *shash) */ -@@ -100,11 +101,11 @@ ENTRY(clmul_ghash_mul) - movups (%rsi), SHASH - movaps .Lbswap_mask, BSWAP - PSHUFB_XMM BSWAP DATA -- call __clmul_gf128mul_ble -+ pax_direct_call __clmul_gf128mul_ble - PSHUFB_XMM BSWAP DATA - movups DATA, (%rdi) - FRAME_END -- ret -+ pax_ret clmul_ghash_mul - ENDPROC(clmul_ghash_mul) - - /* -@@ -124,7 +125,7 @@ ENTRY(clmul_ghash_update) - movups (%rsi), IN1 - PSHUFB_XMM BSWAP IN1 - pxor IN1, DATA -- call __clmul_gf128mul_ble -+ pax_direct_call __clmul_gf128mul_ble - sub $16, %rdx - add $16, %rsi - cmp $16, %rdx -@@ -133,5 +134,5 @@ ENTRY(clmul_ghash_update) - movups DATA, (%rdi) - .Lupdate_just_ret: - FRAME_END -- ret -+ pax_ret clmul_ghash_update - ENDPROC(clmul_ghash_update) -diff --git a/arch/x86/crypto/ghash-clmulni-intel_glue.c b/arch/x86/crypto/ghash-clmulni-intel_glue.c -index 0420bab..590ca78 100644 ---- a/arch/x86/crypto/ghash-clmulni-intel_glue.c -+++ b/arch/x86/crypto/ghash-clmulni-intel_glue.c -@@ -26,6 +26,7 @@ - #define GHASH_DIGEST_SIZE 16 - - void clmul_ghash_mul(char *dst, const u128 *shash); -+void __clmul_gf128mul_ble(char *dst, const u128 *shash) __rap_hash; - - void clmul_ghash_update(char *dst, const char *src, unsigned int srclen, - const u128 *shash); -diff --git a/arch/x86/crypto/glue_helper.c b/arch/x86/crypto/glue_helper.c -index 6a85598..fed2ada 100644 ---- a/arch/x86/crypto/glue_helper.c -+++ b/arch/x86/crypto/glue_helper.c -@@ -165,7 +165,7 @@ __glue_cbc_decrypt_128bit(const struct common_glue_ctx *gctx, - src -= num_blocks - 1; - dst -= num_blocks - 1; - -- gctx->funcs[i].fn_u.cbc(ctx, dst, src); -+ gctx->funcs[i].fn_u.cbc(ctx, (u8 *)dst, (u8 *)src); - - nbytes -= bsize; - if (nbytes < bsize) -diff --git a/arch/x86/crypto/poly1305-avx2-x86_64.S b/arch/x86/crypto/poly1305-avx2-x86_64.S -index eff2f41..932718e 100644 ---- a/arch/x86/crypto/poly1305-avx2-x86_64.S -+++ b/arch/x86/crypto/poly1305-avx2-x86_64.S -@@ -10,6 +10,7 @@ - */ - - #include -+#include - - .data - .align 32 -@@ -382,5 +383,5 @@ ENTRY(poly1305_4block_avx2) - pop %r13 - pop %r12 - pop %rbx -- ret -+ pax_ret poly1305_4block_avx2 - ENDPROC(poly1305_4block_avx2) -diff --git a/arch/x86/crypto/poly1305-sse2-x86_64.S b/arch/x86/crypto/poly1305-sse2-x86_64.S -index 338c748..497359c 100644 ---- a/arch/x86/crypto/poly1305-sse2-x86_64.S -+++ b/arch/x86/crypto/poly1305-sse2-x86_64.S -@@ -10,6 +10,7 @@ - */ - - #include -+#include - - .data - .align 16 -@@ -273,7 +274,7 @@ ENTRY(poly1305_block_sse2) - add $0x10,%rsp - pop %r12 - pop %rbx -- ret -+ pax_ret poly1305_block_sse2 - ENDPROC(poly1305_block_sse2) - - -@@ -578,5 +579,5 @@ ENTRY(poly1305_2block_sse2) - pop %r13 - pop %r12 - pop %rbx -- ret -+ pax_ret poly1305_2block_sse2 - ENDPROC(poly1305_2block_sse2) -diff --git a/arch/x86/crypto/salsa20-i586-asm_32.S b/arch/x86/crypto/salsa20-i586-asm_32.S -index 329452b8..f136500 100644 ---- a/arch/x86/crypto/salsa20-i586-asm_32.S -+++ b/arch/x86/crypto/salsa20-i586-asm_32.S -@@ -3,6 +3,7 @@ - # Public domain. - - #include -+#include - - .text - -@@ -924,7 +925,7 @@ ENTRY(salsa20_encrypt_bytes) - movl 96(%esp),%ebp - # leave - add %eax,%esp -- ret -+ pax_ret salsa20_encrypt_bytes - ._bytesatleast65: - # bytes -= 64 - sub $64,%ebx -@@ -1059,7 +1060,7 @@ ENTRY(salsa20_keysetup) - movl 80(%esp),%ebp - # leave - add %eax,%esp -- ret -+ pax_ret salsa20_keysetup - ENDPROC(salsa20_keysetup) - - # enter salsa20_ivsetup -@@ -1110,5 +1111,5 @@ ENTRY(salsa20_ivsetup) - movl 80(%esp),%ebp - # leave - add %eax,%esp -- ret -+ pax_ret salsa20_ivsetup - ENDPROC(salsa20_ivsetup) -diff --git a/arch/x86/crypto/salsa20-x86_64-asm_64.S b/arch/x86/crypto/salsa20-x86_64-asm_64.S -index 9279e0b..6745d48 100644 ---- a/arch/x86/crypto/salsa20-x86_64-asm_64.S -+++ b/arch/x86/crypto/salsa20-x86_64-asm_64.S -@@ -1,4 +1,5 @@ - #include -+#include - - # enter salsa20_encrypt_bytes - ENTRY(salsa20_encrypt_bytes) -@@ -789,7 +790,7 @@ ENTRY(salsa20_encrypt_bytes) - add %r11,%rsp - mov %rdi,%rax - mov %rsi,%rdx -- ret -+ pax_ret salsa20_encrypt_bytes - # bytesatleast65: - ._bytesatleast65: - # bytes -= 64 -@@ -889,7 +890,7 @@ ENTRY(salsa20_keysetup) - add %r11,%rsp - mov %rdi,%rax - mov %rsi,%rdx -- ret -+ pax_ret salsa20_keysetup - ENDPROC(salsa20_keysetup) - - # enter salsa20_ivsetup -@@ -914,5 +915,5 @@ ENTRY(salsa20_ivsetup) - add %r11,%rsp - mov %rdi,%rax - mov %rsi,%rdx -- ret -+ pax_ret salsa20_ivsetup - ENDPROC(salsa20_ivsetup) -diff --git a/arch/x86/crypto/serpent-avx-x86_64-asm_64.S b/arch/x86/crypto/serpent-avx-x86_64-asm_64.S -index 8be5718..c5a9956 100644 ---- a/arch/x86/crypto/serpent-avx-x86_64-asm_64.S -+++ b/arch/x86/crypto/serpent-avx-x86_64-asm_64.S -@@ -25,6 +25,7 @@ - - #include - #include -+#include - #include "glue_helper-asm-avx.S" - - .file "serpent-avx-x86_64-asm_64.S" -@@ -619,7 +620,7 @@ __serpent_enc_blk8_avx: - write_blocks(RA1, RB1, RC1, RD1, RK0, RK1, RK2); - write_blocks(RA2, RB2, RC2, RD2, RK0, RK1, RK2); - -- ret; -+ pax_ret __serpent_enc_blk8_avx; - ENDPROC(__serpent_enc_blk8_avx) - - .align 8 -@@ -673,10 +674,10 @@ __serpent_dec_blk8_avx: - write_blocks(RC1, RD1, RB1, RE1, RK0, RK1, RK2); - write_blocks(RC2, RD2, RB2, RE2, RK0, RK1, RK2); - -- ret; -+ pax_ret __serpent_dec_blk8_avx; - ENDPROC(__serpent_dec_blk8_avx) - --ENTRY(serpent_ecb_enc_8way_avx) -+RAP_ENTRY(serpent_ecb_enc_8way_avx) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -686,15 +687,15 @@ ENTRY(serpent_ecb_enc_8way_avx) - - load_8way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -- call __serpent_enc_blk8_avx; -+ pax_direct_call __serpent_enc_blk8_avx; - - store_8way(%rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - - FRAME_END -- ret; -+ pax_ret serpent_ecb_enc_8way_avx; - ENDPROC(serpent_ecb_enc_8way_avx) - --ENTRY(serpent_ecb_dec_8way_avx) -+RAP_ENTRY(serpent_ecb_dec_8way_avx) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -704,15 +705,15 @@ ENTRY(serpent_ecb_dec_8way_avx) - - load_8way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -- call __serpent_dec_blk8_avx; -+ pax_direct_call __serpent_dec_blk8_avx; - - store_8way(%rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2); - - FRAME_END -- ret; -+ pax_ret serpent_ecb_dec_8way_avx; - ENDPROC(serpent_ecb_dec_8way_avx) - --ENTRY(serpent_cbc_dec_8way_avx) -+RAP_ENTRY(serpent_cbc_dec_8way_avx) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -722,15 +723,15 @@ ENTRY(serpent_cbc_dec_8way_avx) - - load_8way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -- call __serpent_dec_blk8_avx; -+ pax_direct_call __serpent_dec_blk8_avx; - - store_cbc_8way(%rdx, %rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2); - - FRAME_END -- ret; -+ pax_ret serpent_cbc_dec_8way_avx; - ENDPROC(serpent_cbc_dec_8way_avx) - --ENTRY(serpent_ctr_8way_avx) -+RAP_ENTRY(serpent_ctr_8way_avx) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -742,15 +743,15 @@ ENTRY(serpent_ctr_8way_avx) - load_ctr_8way(%rcx, .Lbswap128_mask, RA1, RB1, RC1, RD1, RA2, RB2, RC2, - RD2, RK0, RK1, RK2); - -- call __serpent_enc_blk8_avx; -+ pax_direct_call __serpent_enc_blk8_avx; - - store_ctr_8way(%rdx, %rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - - FRAME_END -- ret; -+ pax_ret serpent_ctr_8way_avx; - ENDPROC(serpent_ctr_8way_avx) - --ENTRY(serpent_xts_enc_8way_avx) -+RAP_ENTRY(serpent_xts_enc_8way_avx) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -763,16 +764,16 @@ ENTRY(serpent_xts_enc_8way_avx) - load_xts_8way(%rcx, %rdx, %rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2, - RK0, RK1, RK2, .Lxts_gf128mul_and_shl1_mask); - -- call __serpent_enc_blk8_avx; -+ pax_direct_call __serpent_enc_blk8_avx; - - /* dst <= regs xor IVs(in dst) */ - store_xts_8way(%rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - - FRAME_END -- ret; -+ pax_ret serpent_xts_enc_8way_avx; - ENDPROC(serpent_xts_enc_8way_avx) - --ENTRY(serpent_xts_dec_8way_avx) -+RAP_ENTRY(serpent_xts_dec_8way_avx) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -785,11 +786,11 @@ ENTRY(serpent_xts_dec_8way_avx) - load_xts_8way(%rcx, %rdx, %rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2, - RK0, RK1, RK2, .Lxts_gf128mul_and_shl1_mask); - -- call __serpent_dec_blk8_avx; -+ pax_direct_call __serpent_dec_blk8_avx; - - /* dst <= regs xor IVs(in dst) */ - store_xts_8way(%rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2); - - FRAME_END -- ret; -+ pax_ret serpent_xts_dec_8way_avx; - ENDPROC(serpent_xts_dec_8way_avx) -diff --git a/arch/x86/crypto/serpent-avx2-asm_64.S b/arch/x86/crypto/serpent-avx2-asm_64.S -index 97c48ad..541b03c 100644 ---- a/arch/x86/crypto/serpent-avx2-asm_64.S -+++ b/arch/x86/crypto/serpent-avx2-asm_64.S -@@ -16,6 +16,7 @@ - - #include - #include -+#include - #include "glue_helper-asm-avx2.S" - - .file "serpent-avx2-asm_64.S" -@@ -611,7 +612,7 @@ __serpent_enc_blk16: - write_blocks(RA1, RB1, RC1, RD1, RK0, RK1, RK2); - write_blocks(RA2, RB2, RC2, RD2, RK0, RK1, RK2); - -- ret; -+ pax_ret __serpent_enc_blk16; - ENDPROC(__serpent_enc_blk16) - - .align 8 -@@ -665,10 +666,10 @@ __serpent_dec_blk16: - write_blocks(RC1, RD1, RB1, RE1, RK0, RK1, RK2); - write_blocks(RC2, RD2, RB2, RE2, RK0, RK1, RK2); - -- ret; -+ pax_ret __serpent_dec_blk16; - ENDPROC(__serpent_dec_blk16) - --ENTRY(serpent_ecb_enc_16way) -+RAP_ENTRY(serpent_ecb_enc_16way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -680,17 +681,17 @@ ENTRY(serpent_ecb_enc_16way) - - load_16way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -- call __serpent_enc_blk16; -+ pax_direct_call __serpent_enc_blk16; - - store_16way(%rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - - vzeroupper; - - FRAME_END -- ret; -+ pax_ret serpent_ecb_enc_16way; - ENDPROC(serpent_ecb_enc_16way) - --ENTRY(serpent_ecb_dec_16way) -+RAP_ENTRY(serpent_ecb_dec_16way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -702,17 +703,17 @@ ENTRY(serpent_ecb_dec_16way) - - load_16way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -- call __serpent_dec_blk16; -+ pax_direct_call __serpent_dec_blk16; - - store_16way(%rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2); - - vzeroupper; - - FRAME_END -- ret; -+ pax_ret serpent_ecb_dec_16way; - ENDPROC(serpent_ecb_dec_16way) - --ENTRY(serpent_cbc_dec_16way) -+RAP_ENTRY(serpent_cbc_dec_16way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -724,7 +725,7 @@ ENTRY(serpent_cbc_dec_16way) - - load_16way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -- call __serpent_dec_blk16; -+ pax_direct_call __serpent_dec_blk16; - - store_cbc_16way(%rdx, %rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2, - RK0); -@@ -732,10 +733,10 @@ ENTRY(serpent_cbc_dec_16way) - vzeroupper; - - FRAME_END -- ret; -+ pax_ret serpent_cbc_dec_16way; - ENDPROC(serpent_cbc_dec_16way) - --ENTRY(serpent_ctr_16way) -+RAP_ENTRY(serpent_ctr_16way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst (16 blocks) -@@ -750,17 +751,17 @@ ENTRY(serpent_ctr_16way) - RD2, RK0, RK0x, RK1, RK1x, RK2, RK2x, RK3, RK3x, RNOT, - tp); - -- call __serpent_enc_blk16; -+ pax_direct_call __serpent_enc_blk16; - - store_ctr_16way(%rdx, %rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - - vzeroupper; - - FRAME_END -- ret; -+ pax_ret serpent_ctr_16way; - ENDPROC(serpent_ctr_16way) - --ENTRY(serpent_xts_enc_16way) -+RAP_ENTRY(serpent_xts_enc_16way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst (16 blocks) -@@ -776,17 +777,17 @@ ENTRY(serpent_xts_enc_16way) - .Lxts_gf128mul_and_shl1_mask_0, - .Lxts_gf128mul_and_shl1_mask_1); - -- call __serpent_enc_blk16; -+ pax_direct_call __serpent_enc_blk16; - - store_xts_16way(%rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - - vzeroupper; - - FRAME_END -- ret; -+ pax_ret serpent_xts_enc_16way; - ENDPROC(serpent_xts_enc_16way) - --ENTRY(serpent_xts_dec_16way) -+RAP_ENTRY(serpent_xts_dec_16way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst (16 blocks) -@@ -802,12 +803,12 @@ ENTRY(serpent_xts_dec_16way) - .Lxts_gf128mul_and_shl1_mask_0, - .Lxts_gf128mul_and_shl1_mask_1); - -- call __serpent_dec_blk16; -+ pax_direct_call __serpent_dec_blk16; - - store_xts_16way(%rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2); - - vzeroupper; - - FRAME_END -- ret; -+ pax_ret serpent_xts_dec_16way; - ENDPROC(serpent_xts_dec_16way) -diff --git a/arch/x86/crypto/serpent-sse2-i586-asm_32.S b/arch/x86/crypto/serpent-sse2-i586-asm_32.S -index d348f15..48aa0c3 100644 ---- a/arch/x86/crypto/serpent-sse2-i586-asm_32.S -+++ b/arch/x86/crypto/serpent-sse2-i586-asm_32.S -@@ -25,6 +25,7 @@ - */ - - #include -+#include - - .file "serpent-sse2-i586-asm_32.S" - .text -@@ -568,12 +569,12 @@ ENTRY(__serpent_enc_blk_4way) - - write_blocks(%eax, RA, RB, RC, RD, RT0, RT1, RE); - -- ret; -+ pax_ret __serpent_enc_blk_4way; - - .L__enc_xor4: - xor_blocks(%eax, RA, RB, RC, RD, RT0, RT1, RE); - -- ret; -+ pax_ret __serpent_enc_blk_4way; - ENDPROC(__serpent_enc_blk_4way) - - ENTRY(serpent_dec_blk_4way) -@@ -627,5 +628,5 @@ ENTRY(serpent_dec_blk_4way) - movl arg_dst(%esp), %eax; - write_blocks(%eax, RC, RD, RB, RE, RT0, RT1, RA); - -- ret; -+ pax_ret serpent_dec_blk_4way; - ENDPROC(serpent_dec_blk_4way) -diff --git a/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S b/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S -index acc066c..d96c7c2 100644 ---- a/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S -+++ b/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S -@@ -25,6 +25,7 @@ - */ - - #include -+#include - - .file "serpent-sse2-x86_64-asm_64.S" - .text -@@ -690,13 +691,13 @@ ENTRY(__serpent_enc_blk_8way) - write_blocks(%rsi, RA1, RB1, RC1, RD1, RK0, RK1, RK2); - write_blocks(%rax, RA2, RB2, RC2, RD2, RK0, RK1, RK2); - -- ret; -+ pax_ret __serpent_enc_blk_8way; - - .L__enc_xor8: - xor_blocks(%rsi, RA1, RB1, RC1, RD1, RK0, RK1, RK2); - xor_blocks(%rax, RA2, RB2, RC2, RD2, RK0, RK1, RK2); - -- ret; -+ pax_ret __serpent_enc_blk_8way; - ENDPROC(__serpent_enc_blk_8way) - - ENTRY(serpent_dec_blk_8way) -@@ -750,5 +751,5 @@ ENTRY(serpent_dec_blk_8way) - write_blocks(%rsi, RC1, RD1, RB1, RE1, RK0, RK1, RK2); - write_blocks(%rax, RC2, RD2, RB2, RE2, RK0, RK1, RK2); - -- ret; -+ pax_ret serpent_dec_blk_8way; - ENDPROC(serpent_dec_blk_8way) -diff --git a/arch/x86/crypto/serpent_avx2_glue.c b/arch/x86/crypto/serpent_avx2_glue.c -index 870f6d8..aaf38de 100644 ---- a/arch/x86/crypto/serpent_avx2_glue.c -+++ b/arch/x86/crypto/serpent_avx2_glue.c -@@ -27,18 +27,20 @@ - #define SERPENT_AVX2_PARALLEL_BLOCKS 16 - - /* 16-way AVX2 parallel cipher functions */ --asmlinkage void serpent_ecb_enc_16way(struct serpent_ctx *ctx, u8 *dst, -+asmlinkage void serpent_ecb_enc_16way(void *ctx, u8 *dst, - const u8 *src); --asmlinkage void serpent_ecb_dec_16way(struct serpent_ctx *ctx, u8 *dst, -+asmlinkage void serpent_ecb_dec_16way(void *ctx, u8 *dst, - const u8 *src); --asmlinkage void serpent_cbc_dec_16way(void *ctx, u128 *dst, const u128 *src); -+asmlinkage void serpent_cbc_dec_16way(void *ctx, u8 *dst, const u8 *src); -+void __serpent_enc_blk16(void *ctx, u8 *dst, const u8 *src) __rap_hash; -+void __serpent_dec_blk16(void *ctx, u8 *dst, const u8 *src) __rap_hash; - - asmlinkage void serpent_ctr_16way(void *ctx, u128 *dst, const u128 *src, - le128 *iv); --asmlinkage void serpent_xts_enc_16way(struct serpent_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); --asmlinkage void serpent_xts_dec_16way(struct serpent_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); -+asmlinkage void serpent_xts_enc_16way(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); -+asmlinkage void serpent_xts_dec_16way(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); - - static const struct common_glue_ctx serpent_enc = { - .num_funcs = 3, -diff --git a/arch/x86/crypto/serpent_avx_glue.c b/arch/x86/crypto/serpent_avx_glue.c -index 6f778d3..3cf277e 100644 ---- a/arch/x86/crypto/serpent_avx_glue.c -+++ b/arch/x86/crypto/serpent_avx_glue.c -@@ -41,28 +41,28 @@ - #include - - /* 8-way parallel cipher functions */ --asmlinkage void serpent_ecb_enc_8way_avx(struct serpent_ctx *ctx, u8 *dst, -+asmlinkage void serpent_ecb_enc_8way_avx(void *ctx, u8 *dst, - const u8 *src); - EXPORT_SYMBOL_GPL(serpent_ecb_enc_8way_avx); - --asmlinkage void serpent_ecb_dec_8way_avx(struct serpent_ctx *ctx, u8 *dst, -+asmlinkage void serpent_ecb_dec_8way_avx(void *ctx, u8 *dst, - const u8 *src); - EXPORT_SYMBOL_GPL(serpent_ecb_dec_8way_avx); - --asmlinkage void serpent_cbc_dec_8way_avx(struct serpent_ctx *ctx, u8 *dst, -+asmlinkage void serpent_cbc_dec_8way_avx(void *ctx, u8 *dst, - const u8 *src); - EXPORT_SYMBOL_GPL(serpent_cbc_dec_8way_avx); - --asmlinkage void serpent_ctr_8way_avx(struct serpent_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); -+asmlinkage void serpent_ctr_8way_avx(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); - EXPORT_SYMBOL_GPL(serpent_ctr_8way_avx); - --asmlinkage void serpent_xts_enc_8way_avx(struct serpent_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); -+asmlinkage void serpent_xts_enc_8way_avx(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); - EXPORT_SYMBOL_GPL(serpent_xts_enc_8way_avx); - --asmlinkage void serpent_xts_dec_8way_avx(struct serpent_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); -+asmlinkage void serpent_xts_dec_8way_avx(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); - EXPORT_SYMBOL_GPL(serpent_xts_dec_8way_avx); - - void __serpent_crypt_ctr(void *ctx, u128 *dst, const u128 *src, le128 *iv) -diff --git a/arch/x86/crypto/serpent_sse2_glue.c b/arch/x86/crypto/serpent_sse2_glue.c -index 644f97a..4d069a1 100644 ---- a/arch/x86/crypto/serpent_sse2_glue.c -+++ b/arch/x86/crypto/serpent_sse2_glue.c -@@ -45,8 +45,10 @@ - #include - #include - --static void serpent_decrypt_cbc_xway(void *ctx, u128 *dst, const u128 *src) -+static void serpent_decrypt_cbc_xway(void *ctx, u8 *_dst, const u8 *_src) - { -+ u128 *dst = (u128 *)_dst; -+ const u128 *src = (const u128 *)_src; - u128 ivs[SERPENT_PARALLEL_BLOCKS - 1]; - unsigned int j; - -diff --git a/arch/x86/crypto/sha1-mb/sha1_mb_mgr.h b/arch/x86/crypto/sha1-mb/sha1_mb_mgr.h -index 08ad1a9..293bc9e 100644 ---- a/arch/x86/crypto/sha1-mb/sha1_mb_mgr.h -+++ b/arch/x86/crypto/sha1-mb/sha1_mb_mgr.h -@@ -106,5 +106,6 @@ struct job_sha1 *sha1_mb_mgr_submit_avx2(struct sha1_mb_mgr *state, - struct job_sha1 *job); - struct job_sha1 *sha1_mb_mgr_flush_avx2(struct sha1_mb_mgr *state); - struct job_sha1 *sha1_mb_mgr_get_comp_job_avx2(struct sha1_mb_mgr *state); -+struct job_sha1 *sha1_x8_avx2(struct sha1_mb_mgr *state) __rap_hash; - - #endif -diff --git a/arch/x86/crypto/sha1-mb/sha1_mb_mgr_flush_avx2.S b/arch/x86/crypto/sha1-mb/sha1_mb_mgr_flush_avx2.S -index 96df6a3..f5f561f 100644 ---- a/arch/x86/crypto/sha1-mb/sha1_mb_mgr_flush_avx2.S -+++ b/arch/x86/crypto/sha1-mb/sha1_mb_mgr_flush_avx2.S -@@ -53,6 +53,7 @@ - */ - #include - #include -+#include - #include "sha1_mb_mgr_datastruct.S" - - -@@ -103,7 +104,7 @@ offset = \_offset - - # JOB* sha1_mb_mgr_flush_avx2(MB_MGR *state) - # arg 1 : rcx : state --ENTRY(sha1_mb_mgr_flush_avx2) -+RAP_ENTRY(sha1_mb_mgr_flush_avx2) - FRAME_BEGIN - push %rbx - -@@ -183,7 +184,7 @@ LABEL skip_ %I - - # "state" and "args" are the same address, arg1 - # len is arg2 -- call sha1_x8_avx2 -+ pax_direct_call sha1_x8_avx2 - # state and idx are intact - - -@@ -215,7 +216,7 @@ len_is_0: - return: - pop %rbx - FRAME_END -- ret -+ pax_ret sha1_mb_mgr_flush_avx2 - - return_null: - xor job_rax, job_rax -@@ -226,7 +227,7 @@ ENDPROC(sha1_mb_mgr_flush_avx2) - ################################################################# - - .align 16 --ENTRY(sha1_mb_mgr_get_comp_job_avx2) -+RAP_ENTRY(sha1_mb_mgr_get_comp_job_avx2) - push %rbx - - ## if bit 32+3 is set, then all lanes are empty -@@ -273,12 +274,12 @@ ENTRY(sha1_mb_mgr_get_comp_job_avx2) - - pop %rbx - -- ret -+ pax_ret sha1_mb_mgr_get_comp_job_avx2 - - .return_null: - xor job_rax, job_rax - pop %rbx -- ret -+ pax_ret sha1_mb_mgr_get_comp_job_avx2 - ENDPROC(sha1_mb_mgr_get_comp_job_avx2) - - .data -diff --git a/arch/x86/crypto/sha1-mb/sha1_mb_mgr_submit_avx2.S b/arch/x86/crypto/sha1-mb/sha1_mb_mgr_submit_avx2.S -index 63a0d9c..53b60ac 100644 ---- a/arch/x86/crypto/sha1-mb/sha1_mb_mgr_submit_avx2.S -+++ b/arch/x86/crypto/sha1-mb/sha1_mb_mgr_submit_avx2.S -@@ -54,6 +54,7 @@ - - #include - #include -+#include - #include "sha1_mb_mgr_datastruct.S" - - -@@ -98,7 +99,7 @@ lane_data = %r10 - # JOB* submit_mb_mgr_submit_avx2(MB_MGR *state, job_sha1 *job) - # arg 1 : rcx : state - # arg 2 : rdx : job --ENTRY(sha1_mb_mgr_submit_avx2) -+RAP_ENTRY(sha1_mb_mgr_submit_avx2) - FRAME_BEGIN - push %rbx - push %r12 -@@ -163,7 +164,7 @@ start_loop: - - # "state" and "args" are the same address, arg1 - # len is arg2 -- call sha1_x8_avx2 -+ pax_direct_call sha1_x8_avx2 - - # state and idx are intact - -@@ -195,7 +196,7 @@ return: - pop %r12 - pop %rbx - FRAME_END -- ret -+ pax_ret sha1_mb_mgr_submit_avx2 - - return_null: - xor job_rax, job_rax -diff --git a/arch/x86/crypto/sha1-mb/sha1_x8_avx2.S b/arch/x86/crypto/sha1-mb/sha1_x8_avx2.S -index c9dae1c..6055141 100644 ---- a/arch/x86/crypto/sha1-mb/sha1_x8_avx2.S -+++ b/arch/x86/crypto/sha1-mb/sha1_x8_avx2.S -@@ -53,6 +53,7 @@ - */ - - #include -+#include - #include "sha1_mb_mgr_datastruct.S" - - ## code to compute oct SHA1 using SSE-256 -@@ -457,7 +458,7 @@ lloop: - pop %r13 - pop %r12 - -- ret -+ pax_ret sha1_x8_avx2 - ENDPROC(sha1_x8_avx2) - - -diff --git a/arch/x86/crypto/sha1_avx2_x86_64_asm.S b/arch/x86/crypto/sha1_avx2_x86_64_asm.S -index 1cd792d..2236003 100644 ---- a/arch/x86/crypto/sha1_avx2_x86_64_asm.S -+++ b/arch/x86/crypto/sha1_avx2_x86_64_asm.S -@@ -70,6 +70,7 @@ - */ - - #include -+#include - - #define CTX %rdi /* arg1 */ - #define BUF %rsi /* arg2 */ -@@ -671,7 +672,7 @@ _loop3: - pop %rbp - pop %rbx - -- ret -+ pax_ret \name - - ENDPROC(\name) - .endm -diff --git a/arch/x86/crypto/sha1_ni_asm.S b/arch/x86/crypto/sha1_ni_asm.S -index 874a651..aa3d201 100644 ---- a/arch/x86/crypto/sha1_ni_asm.S -+++ b/arch/x86/crypto/sha1_ni_asm.S -@@ -54,6 +54,7 @@ - */ - - #include -+#include - - #define DIGEST_PTR %rdi /* 1st arg */ - #define DATA_PTR %rsi /* 2nd arg */ -@@ -290,7 +291,7 @@ ENTRY(sha1_ni_transform) - .Ldone_hash: - mov RSPSAVE, %rsp - -- ret -+ pax_ret sha1_ni_transform - ENDPROC(sha1_ni_transform) - - .data -diff --git a/arch/x86/crypto/sha1_ssse3_asm.S b/arch/x86/crypto/sha1_ssse3_asm.S -index a410950..f0fefc3 100644 ---- a/arch/x86/crypto/sha1_ssse3_asm.S -+++ b/arch/x86/crypto/sha1_ssse3_asm.S -@@ -29,6 +29,7 @@ - */ - - #include -+#include - - #define CTX %rdi // arg1 - #define BUF %rsi // arg2 -@@ -71,13 +72,14 @@ - * param: function's name - */ - .macro SHA1_VECTOR_ASM name -- ENTRY(\name) -+ALIGN -+ RAP_ENTRY(\name) - - push %rbx - push %rbp -- push %r12 -+ push %r14 - -- mov %rsp, %r12 -+ mov %rsp, %r14 - sub $64, %rsp # allocate workspace - and $~15, %rsp # align stack - -@@ -99,12 +101,12 @@ - xor %rax, %rax - rep stosq - -- mov %r12, %rsp # deallocate workspace -+ mov %r14, %rsp # deallocate workspace - -- pop %r12 -+ pop %r14 - pop %rbp - pop %rbx -- ret -+ pax_ret \name - - ENDPROC(\name) - .endm -diff --git a/arch/x86/crypto/sha1_ssse3_glue.c b/arch/x86/crypto/sha1_ssse3_glue.c -index fc61739..03f7efe 100644 ---- a/arch/x86/crypto/sha1_ssse3_glue.c -+++ b/arch/x86/crypto/sha1_ssse3_glue.c -@@ -31,8 +31,8 @@ - #include - #include - --typedef void (sha1_transform_fn)(u32 *digest, const char *data, -- unsigned int rounds); -+typedef void (sha1_transform_fn)(struct sha1_state *digest, const u8 *data, -+ int rounds); - - static int sha1_update(struct shash_desc *desc, const u8 *data, - unsigned int len, sha1_transform_fn *sha1_xform) -@@ -47,8 +47,7 @@ static int sha1_update(struct shash_desc *desc, const u8 *data, - BUILD_BUG_ON(offsetof(struct sha1_state, state) != 0); - - kernel_fpu_begin(); -- sha1_base_do_update(desc, data, len, -- (sha1_block_fn *)sha1_xform); -+ sha1_base_do_update(desc, data, len, sha1_xform); - kernel_fpu_end(); - - return 0; -@@ -62,29 +61,26 @@ static int sha1_finup(struct shash_desc *desc, const u8 *data, - - kernel_fpu_begin(); - if (len) -- sha1_base_do_update(desc, data, len, -- (sha1_block_fn *)sha1_xform); -- sha1_base_do_finalize(desc, (sha1_block_fn *)sha1_xform); -+ sha1_base_do_update(desc, data, len, sha1_xform); -+ sha1_base_do_finalize(desc, sha1_xform); - kernel_fpu_end(); - - return sha1_base_finish(desc, out); - } - --asmlinkage void sha1_transform_ssse3(u32 *digest, const char *data, -- unsigned int rounds); -+asmlinkage void sha1_transform_ssse3(struct sha1_state *digest, const u8 *data, -+ int rounds); - - static int sha1_ssse3_update(struct shash_desc *desc, const u8 *data, - unsigned int len) - { -- return sha1_update(desc, data, len, -- (sha1_transform_fn *) sha1_transform_ssse3); -+ return sha1_update(desc, data, len, sha1_transform_ssse3); - } - - static int sha1_ssse3_finup(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *out) - { -- return sha1_finup(desc, data, len, out, -- (sha1_transform_fn *) sha1_transform_ssse3); -+ return sha1_finup(desc, data, len, out, sha1_transform_ssse3); - } - - /* Add padding and return the message digest. */ -@@ -124,21 +120,19 @@ static void unregister_sha1_ssse3(void) - } - - #ifdef CONFIG_AS_AVX --asmlinkage void sha1_transform_avx(u32 *digest, const char *data, -- unsigned int rounds); -+asmlinkage void sha1_transform_avx(struct sha1_state *digest, const u8 *data, -+ int rounds); - - static int sha1_avx_update(struct shash_desc *desc, const u8 *data, - unsigned int len) - { -- return sha1_update(desc, data, len, -- (sha1_transform_fn *) sha1_transform_avx); -+ return sha1_update(desc, data, len, sha1_transform_avx); - } - - static int sha1_avx_finup(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *out) - { -- return sha1_finup(desc, data, len, out, -- (sha1_transform_fn *) sha1_transform_avx); -+ return sha1_finup(desc, data, len, out, sha1_transform_avx); - } - - static int sha1_avx_final(struct shash_desc *desc, u8 *out) -@@ -196,8 +190,8 @@ static inline void unregister_sha1_avx(void) { } - #if defined(CONFIG_AS_AVX2) && (CONFIG_AS_AVX) - #define SHA1_AVX2_BLOCK_OPTSIZE 4 /* optimal 4*64 bytes of SHA1 blocks */ - --asmlinkage void sha1_transform_avx2(u32 *digest, const char *data, -- unsigned int rounds); -+asmlinkage void sha1_transform_avx2(struct sha1_state *digest, const u8 *data, -+ int rounds); - - static bool avx2_usable(void) - { -@@ -209,8 +203,8 @@ static bool avx2_usable(void) - return false; - } - --static void sha1_apply_transform_avx2(u32 *digest, const char *data, -- unsigned int rounds) -+static void sha1_apply_transform_avx2(struct sha1_state *digest, const u8 *data, -+ int rounds) - { - /* Select the optimal transform based on data block size */ - if (rounds >= SHA1_AVX2_BLOCK_OPTSIZE) -@@ -222,15 +216,13 @@ static void sha1_apply_transform_avx2(u32 *digest, const char *data, - static int sha1_avx2_update(struct shash_desc *desc, const u8 *data, - unsigned int len) - { -- return sha1_update(desc, data, len, -- (sha1_transform_fn *) sha1_apply_transform_avx2); -+ return sha1_update(desc, data, len, sha1_apply_transform_avx2); - } - - static int sha1_avx2_finup(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *out) - { -- return sha1_finup(desc, data, len, out, -- (sha1_transform_fn *) sha1_apply_transform_avx2); -+ return sha1_finup(desc, data, len, out, sha1_apply_transform_avx2); - } - - static int sha1_avx2_final(struct shash_desc *desc, u8 *out) -@@ -274,21 +266,19 @@ static inline void unregister_sha1_avx2(void) { } - #endif - - #ifdef CONFIG_AS_SHA1_NI --asmlinkage void sha1_ni_transform(u32 *digest, const char *data, -- unsigned int rounds); -+asmlinkage void sha1_ni_transform(struct sha1_state *digest, const u8 *data, -+ int rounds); - - static int sha1_ni_update(struct shash_desc *desc, const u8 *data, - unsigned int len) - { -- return sha1_update(desc, data, len, -- (sha1_transform_fn *) sha1_ni_transform); -+ return sha1_update(desc, data, len, sha1_ni_transform); - } - - static int sha1_ni_finup(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *out) - { -- return sha1_finup(desc, data, len, out, -- (sha1_transform_fn *) sha1_ni_transform); -+ return sha1_finup(desc, data, len, out, sha1_ni_transform); - } - - static int sha1_ni_final(struct shash_desc *desc, u8 *out) -diff --git a/arch/x86/crypto/sha256-avx-asm.S b/arch/x86/crypto/sha256-avx-asm.S -index 92b3b5d..47aadd7 100644 ---- a/arch/x86/crypto/sha256-avx-asm.S -+++ b/arch/x86/crypto/sha256-avx-asm.S -@@ -49,6 +49,7 @@ - - #ifdef CONFIG_AS_AVX - #include -+#include - - ## assume buffers not aligned - #define VMOVDQ vmovdqu -@@ -347,8 +348,7 @@ a = TMP_ - ## arg 3 : Num blocks - ######################################################################## - .text --ENTRY(sha256_transform_avx) --.align 32 -+RAP_ENTRY(sha256_transform_avx) - pushq %rbx - pushq %rbp - pushq %r13 -@@ -460,7 +460,7 @@ done_hash: - popq %r13 - popq %rbp - popq %rbx -- ret -+ pax_ret sha256_transform_avx - ENDPROC(sha256_transform_avx) - - .data -diff --git a/arch/x86/crypto/sha256-avx2-asm.S b/arch/x86/crypto/sha256-avx2-asm.S -index 570ec5e..6c7f33c 100644 ---- a/arch/x86/crypto/sha256-avx2-asm.S -+++ b/arch/x86/crypto/sha256-avx2-asm.S -@@ -50,6 +50,7 @@ - - #ifdef CONFIG_AS_AVX2 - #include -+#include - - ## assume buffers not aligned - #define VMOVDQ vmovdqu -@@ -528,8 +529,7 @@ STACK_SIZE = _RSP + _RSP_SIZE - ## arg 3 : Num blocks - ######################################################################## - .text --ENTRY(sha256_transform_rorx) --.align 32 -+RAP_ENTRY(sha256_transform_rorx) - pushq %rbx - pushq %rbp - pushq %r12 -@@ -720,7 +720,7 @@ done_hash: - popq %r12 - popq %rbp - popq %rbx -- ret -+ pax_ret sha256_transform_rorx - ENDPROC(sha256_transform_rorx) - - .data -diff --git a/arch/x86/crypto/sha256-mb/sha256_mb_mgr.h b/arch/x86/crypto/sha256-mb/sha256_mb_mgr.h -index b01ae40..880e1d4 100644 ---- a/arch/x86/crypto/sha256-mb/sha256_mb_mgr.h -+++ b/arch/x86/crypto/sha256-mb/sha256_mb_mgr.h -@@ -104,5 +104,6 @@ struct job_sha256 *sha256_mb_mgr_submit_avx2(struct sha256_mb_mgr *state, - struct job_sha256 *job); - struct job_sha256 *sha256_mb_mgr_flush_avx2(struct sha256_mb_mgr *state); - struct job_sha256 *sha256_mb_mgr_get_comp_job_avx2(struct sha256_mb_mgr *state); -+struct job_sha256 *sha256_x8_avx2(struct sha256_mb_mgr *state) __rap_hash; - - #endif -diff --git a/arch/x86/crypto/sha256-mb/sha256_mb_mgr_flush_avx2.S b/arch/x86/crypto/sha256-mb/sha256_mb_mgr_flush_avx2.S -index a78a069..3919641 100644 ---- a/arch/x86/crypto/sha256-mb/sha256_mb_mgr_flush_avx2.S -+++ b/arch/x86/crypto/sha256-mb/sha256_mb_mgr_flush_avx2.S -@@ -52,6 +52,7 @@ - */ - #include - #include -+#include - #include "sha256_mb_mgr_datastruct.S" - - .extern sha256_x8_avx2 -@@ -101,7 +102,7 @@ offset = \_offset - - # JOB_SHA256* sha256_mb_mgr_flush_avx2(MB_MGR *state) - # arg 1 : rcx : state --ENTRY(sha256_mb_mgr_flush_avx2) -+RAP_ENTRY(sha256_mb_mgr_flush_avx2) - FRAME_BEGIN - push %rbx - -@@ -181,7 +182,7 @@ LABEL skip_ %I - - # "state" and "args" are the same address, arg1 - # len is arg2 -- call sha256_x8_avx2 -+ pax_direct_call sha256_x8_avx2 - # state and idx are intact - - len_is_0: -@@ -215,7 +216,7 @@ len_is_0: - return: - pop %rbx - FRAME_END -- ret -+ pax_ret sha256_mb_mgr_flush_avx2 - - return_null: - xor job_rax, job_rax -@@ -225,7 +226,7 @@ ENDPROC(sha256_mb_mgr_flush_avx2) - ############################################################################## - - .align 16 --ENTRY(sha256_mb_mgr_get_comp_job_avx2) -+RAP_ENTRY(sha256_mb_mgr_get_comp_job_avx2) - push %rbx - - ## if bit 32+3 is set, then all lanes are empty -@@ -276,12 +277,12 @@ ENTRY(sha256_mb_mgr_get_comp_job_avx2) - - pop %rbx - -- ret -+ pax_ret sha256_mb_mgr_get_comp_job_avx2 - - .return_null: - xor job_rax, job_rax - pop %rbx -- ret -+ pax_ret sha256_mb_mgr_get_comp_job_avx2 - ENDPROC(sha256_mb_mgr_get_comp_job_avx2) - - .data -diff --git a/arch/x86/crypto/sha256-mb/sha256_mb_mgr_submit_avx2.S b/arch/x86/crypto/sha256-mb/sha256_mb_mgr_submit_avx2.S -index 7ea670e..835723c 100644 ---- a/arch/x86/crypto/sha256-mb/sha256_mb_mgr_submit_avx2.S -+++ b/arch/x86/crypto/sha256-mb/sha256_mb_mgr_submit_avx2.S -@@ -53,6 +53,7 @@ - - #include - #include -+#include - #include "sha256_mb_mgr_datastruct.S" - - .extern sha256_x8_avx2 -@@ -96,7 +97,7 @@ lane_data = %r10 - # JOB* sha256_mb_mgr_submit_avx2(MB_MGR *state, JOB_SHA256 *job) - # arg 1 : rcx : state - # arg 2 : rdx : job --ENTRY(sha256_mb_mgr_submit_avx2) -+RAP_ENTRY(sha256_mb_mgr_submit_avx2) - FRAME_BEGIN - push %rbx - push %r12 -@@ -164,7 +165,7 @@ start_loop: - - # "state" and "args" are the same address, arg1 - # len is arg2 -- call sha256_x8_avx2 -+ pax_direct_call sha256_x8_avx2 - - # state and idx are intact - -@@ -200,7 +201,7 @@ return: - pop %r12 - pop %rbx - FRAME_END -- ret -+ pax_ret sha256_mb_mgr_submit_avx2 - - return_null: - xor job_rax, job_rax -diff --git a/arch/x86/crypto/sha256-mb/sha256_x8_avx2.S b/arch/x86/crypto/sha256-mb/sha256_x8_avx2.S -index aa21aea..cb35a6e 100644 ---- a/arch/x86/crypto/sha256-mb/sha256_x8_avx2.S -+++ b/arch/x86/crypto/sha256-mb/sha256_x8_avx2.S -@@ -52,6 +52,7 @@ - */ - - #include -+#include - #include "sha256_mb_mgr_datastruct.S" - - ## code to compute oct SHA256 using SSE-256 -@@ -435,7 +436,7 @@ Lrounds_16_xx: - pop %r13 - pop %r12 - -- ret -+ pax_ret sha256_x8_avx2 - ENDPROC(sha256_x8_avx2) - .data - .align 64 -diff --git a/arch/x86/crypto/sha256-ssse3-asm.S b/arch/x86/crypto/sha256-ssse3-asm.S -index 2cedc44..35ed999 100644 ---- a/arch/x86/crypto/sha256-ssse3-asm.S -+++ b/arch/x86/crypto/sha256-ssse3-asm.S -@@ -47,6 +47,7 @@ - ######################################################################## - - #include -+#include - - ## assume buffers not aligned - #define MOVDQ movdqu -@@ -352,9 +353,7 @@ a = TMP_ - ## arg 2 : pointer to input data - ## arg 3 : Num blocks - ######################################################################## --.text --ENTRY(sha256_transform_ssse3) --.align 32 -+RAP_ENTRY(sha256_transform_ssse3) - pushq %rbx - pushq %rbp - pushq %r13 -@@ -471,7 +470,7 @@ done_hash: - popq %rbp - popq %rbx - -- ret -+ pax_ret sha256_transform_ssse3 - ENDPROC(sha256_transform_ssse3) - - .data -diff --git a/arch/x86/crypto/sha256_ni_asm.S b/arch/x86/crypto/sha256_ni_asm.S -index 748cdf2..cd2180d 100644 ---- a/arch/x86/crypto/sha256_ni_asm.S -+++ b/arch/x86/crypto/sha256_ni_asm.S -@@ -54,6 +54,7 @@ - */ - - #include -+#include - - #define DIGEST_PTR %rdi /* 1st arg */ - #define DATA_PTR %rsi /* 2nd arg */ -@@ -97,7 +98,7 @@ - - .text - .align 32 --ENTRY(sha256_ni_transform) -+RAP_ENTRY(sha256_ni_transform) - - shl $6, NUM_BLKS /* convert to bytes */ - jz .Ldone_hash -@@ -326,7 +327,7 @@ ENTRY(sha256_ni_transform) - - .Ldone_hash: - -- ret -+ pax_ret sha256_ni_transform - ENDPROC(sha256_ni_transform) - - .data -diff --git a/arch/x86/crypto/sha256_ssse3_glue.c b/arch/x86/crypto/sha256_ssse3_glue.c -index 9e79baf..c5186c74 100644 ---- a/arch/x86/crypto/sha256_ssse3_glue.c -+++ b/arch/x86/crypto/sha256_ssse3_glue.c -@@ -40,9 +40,9 @@ - #include - #include - --asmlinkage void sha256_transform_ssse3(u32 *digest, const char *data, -- u64 rounds); --typedef void (sha256_transform_fn)(u32 *digest, const char *data, u64 rounds); -+asmlinkage void sha256_transform_ssse3(struct sha256_state *digest, const u8 *data, -+ int rounds); -+typedef void (sha256_transform_fn)(struct sha256_state *digest, const u8 *data, int rounds); - - static int sha256_update(struct shash_desc *desc, const u8 *data, - unsigned int len, sha256_transform_fn *sha256_xform) -@@ -57,8 +57,7 @@ static int sha256_update(struct shash_desc *desc, const u8 *data, - BUILD_BUG_ON(offsetof(struct sha256_state, state) != 0); - - kernel_fpu_begin(); -- sha256_base_do_update(desc, data, len, -- (sha256_block_fn *)sha256_xform); -+ sha256_base_do_update(desc, data, len, sha256_xform); - kernel_fpu_end(); - - return 0; -@@ -72,9 +71,8 @@ static int sha256_finup(struct shash_desc *desc, const u8 *data, - - kernel_fpu_begin(); - if (len) -- sha256_base_do_update(desc, data, len, -- (sha256_block_fn *)sha256_xform); -- sha256_base_do_finalize(desc, (sha256_block_fn *)sha256_xform); -+ sha256_base_do_update(desc, data, len, sha256_xform); -+ sha256_base_do_finalize(desc, sha256_xform); - kernel_fpu_end(); - - return sha256_base_finish(desc, out); -@@ -146,8 +144,8 @@ static void unregister_sha256_ssse3(void) - } - - #ifdef CONFIG_AS_AVX --asmlinkage void sha256_transform_avx(u32 *digest, const char *data, -- u64 rounds); -+asmlinkage void sha256_transform_avx(struct sha256_state *digest, const u8 *data, -+ int rounds); - - static int sha256_avx_update(struct shash_desc *desc, const u8 *data, - unsigned int len) -@@ -230,8 +228,8 @@ static inline void unregister_sha256_avx(void) { } - #endif - - #if defined(CONFIG_AS_AVX2) && defined(CONFIG_AS_AVX) --asmlinkage void sha256_transform_rorx(u32 *digest, const char *data, -- u64 rounds); -+asmlinkage void sha256_transform_rorx(struct sha256_state *digest, const u8 *data, -+ int rounds); - - static int sha256_avx2_update(struct shash_desc *desc, const u8 *data, - unsigned int len) -@@ -312,8 +310,8 @@ static inline void unregister_sha256_avx2(void) { } - #endif - - #ifdef CONFIG_AS_SHA256_NI --asmlinkage void sha256_ni_transform(u32 *digest, const char *data, -- u64 rounds); /*unsigned int rounds);*/ -+asmlinkage void sha256_ni_transform(struct sha256_state *digest, const u8 *data, -+ int rounds); /*unsigned int rounds);*/ - - static int sha256_ni_update(struct shash_desc *desc, const u8 *data, - unsigned int len) -diff --git a/arch/x86/crypto/sha512-avx-asm.S b/arch/x86/crypto/sha512-avx-asm.S -index 565274d..106c3dc 100644 ---- a/arch/x86/crypto/sha512-avx-asm.S -+++ b/arch/x86/crypto/sha512-avx-asm.S -@@ -49,6 +49,7 @@ - - #ifdef CONFIG_AS_AVX - #include -+#include - - .text - -@@ -277,7 +278,8 @@ frame_size = frame_GPRSAVE + GPRSAVE_SIZE - # message blocks. - # L is the message length in SHA512 blocks - ######################################################################## --ENTRY(sha512_transform_avx) -+ALIGN -+RAP_ENTRY(sha512_transform_avx) - cmp $0, msglen - je nowork - -@@ -364,7 +366,7 @@ updateblock: - mov frame_RSPSAVE(%rsp), %rsp - - nowork: -- ret -+ pax_ret sha512_transform_avx - ENDPROC(sha512_transform_avx) - - ######################################################################## -diff --git a/arch/x86/crypto/sha512-avx2-asm.S b/arch/x86/crypto/sha512-avx2-asm.S -index 1f20b35..f12df89 100644 ---- a/arch/x86/crypto/sha512-avx2-asm.S -+++ b/arch/x86/crypto/sha512-avx2-asm.S -@@ -51,6 +51,7 @@ - - #ifdef CONFIG_AS_AVX2 - #include -+#include - - .text - -@@ -568,7 +569,8 @@ frame_size = frame_GPRSAVE + GPRSAVE_SIZE - # message blocks. - # L is the message length in SHA512 blocks - ######################################################################## --ENTRY(sha512_transform_rorx) -+ALIGN -+RAP_ENTRY(sha512_transform_rorx) - # Allocate Stack Space - mov %rsp, %rax - sub $frame_size, %rsp -@@ -678,7 +680,7 @@ done_hash: - - # Restore Stack Pointer - mov frame_RSPSAVE(%rsp), %rsp -- ret -+ pax_ret sha512_transform_rorx - ENDPROC(sha512_transform_rorx) - - ######################################################################## -diff --git a/arch/x86/crypto/sha512-mb/sha512_mb_mgr.h b/arch/x86/crypto/sha512-mb/sha512_mb_mgr.h -index 178f17e..88a59c6 100644 ---- a/arch/x86/crypto/sha512-mb/sha512_mb_mgr.h -+++ b/arch/x86/crypto/sha512-mb/sha512_mb_mgr.h -@@ -100,5 +100,6 @@ struct job_sha512 *sha512_mb_mgr_submit_avx2(struct sha512_mb_mgr *state, - struct job_sha512 *job); - struct job_sha512 *sha512_mb_mgr_flush_avx2(struct sha512_mb_mgr *state); - struct job_sha512 *sha512_mb_mgr_get_comp_job_avx2(struct sha512_mb_mgr *state); -+struct job_sha512 *sha512_x4_avx2(struct sha512_mb_mgr *state) __rap_hash; - - #endif -diff --git a/arch/x86/crypto/sha512-mb/sha512_mb_mgr_flush_avx2.S b/arch/x86/crypto/sha512-mb/sha512_mb_mgr_flush_avx2.S -index 3ddba19..392d6a1 100644 ---- a/arch/x86/crypto/sha512-mb/sha512_mb_mgr_flush_avx2.S -+++ b/arch/x86/crypto/sha512-mb/sha512_mb_mgr_flush_avx2.S -@@ -53,6 +53,7 @@ - - #include - #include -+#include - #include "sha512_mb_mgr_datastruct.S" - - .extern sha512_x4_avx2 -@@ -107,7 +108,7 @@ offset = \_offset - - # JOB* sha512_mb_mgr_flush_avx2(MB_MGR *state) - # arg 1 : rcx : state --ENTRY(sha512_mb_mgr_flush_avx2) -+RAP_ENTRY(sha512_mb_mgr_flush_avx2) - FRAME_BEGIN - push %rbx - -@@ -177,7 +178,7 @@ LABEL skip_ %I - - # "state" and "args" are the same address, arg1 - # len is arg2 -- call sha512_x4_avx2 -+ pax_direct_call sha512_x4_avx2 - # state and idx are intact - - len_is_0: -@@ -212,7 +213,7 @@ len_is_0: - return: - pop %rbx - FRAME_END -- ret -+ pax_ret sha512_mb_mgr_flush_avx2 - - return_null: - xor job_rax, job_rax -@@ -220,7 +221,7 @@ return_null: - ENDPROC(sha512_mb_mgr_flush_avx2) - .align 16 - --ENTRY(sha512_mb_mgr_get_comp_job_avx2) -+RAP_ENTRY(sha512_mb_mgr_get_comp_job_avx2) - push %rbx - - mov _unused_lanes(state), unused_lanes -@@ -273,12 +274,12 @@ ENTRY(sha512_mb_mgr_get_comp_job_avx2) - - pop %rbx - -- ret -+ pax_ret sha512_mb_mgr_get_comp_job_avx2 - - .return_null: - xor job_rax, job_rax - pop %rbx -- ret -+ pax_ret sha512_mb_mgr_get_comp_job_avx2 - ENDPROC(sha512_mb_mgr_get_comp_job_avx2) - .data - -diff --git a/arch/x86/crypto/sha512-mb/sha512_mb_mgr_submit_avx2.S b/arch/x86/crypto/sha512-mb/sha512_mb_mgr_submit_avx2.S -index 815f07b..a1f961a 100644 ---- a/arch/x86/crypto/sha512-mb/sha512_mb_mgr_submit_avx2.S -+++ b/arch/x86/crypto/sha512-mb/sha512_mb_mgr_submit_avx2.S -@@ -53,6 +53,7 @@ - - #include - #include -+#include - #include "sha512_mb_mgr_datastruct.S" - - .extern sha512_x4_avx2 -@@ -98,7 +99,7 @@ - # JOB* sha512_mb_mgr_submit_avx2(MB_MGR *state, JOB *job) - # arg 1 : rcx : state - # arg 2 : rdx : job --ENTRY(sha512_mb_mgr_submit_avx2) -+RAP_ENTRY(sha512_mb_mgr_submit_avx2) - FRAME_BEGIN - push %rbx - push %r12 -@@ -167,7 +168,7 @@ start_loop: - - # "state" and "args" are the same address, arg1 - # len is arg2 -- call sha512_x4_avx2 -+ pax_direct_call sha512_x4_avx2 - # state and idx are intact - - len_is_0: -@@ -203,7 +204,7 @@ return: - pop %r12 - pop %rbx - FRAME_END -- ret -+ pax_ret sha512_mb_mgr_submit_avx2 - - return_null: - xor job_rax, job_rax -diff --git a/arch/x86/crypto/sha512-mb/sha512_x4_avx2.S b/arch/x86/crypto/sha512-mb/sha512_x4_avx2.S -index 31ab1ef..da5a002 100644 ---- a/arch/x86/crypto/sha512-mb/sha512_x4_avx2.S -+++ b/arch/x86/crypto/sha512-mb/sha512_x4_avx2.S -@@ -63,6 +63,7 @@ - # clobbers ymm0-15 - - #include -+#include - #include "sha512_mb_mgr_datastruct.S" - - arg1 = %rdi -@@ -358,7 +359,7 @@ Lrounds_16_xx: - pop %r12 - - # outer calling routine restores XMM and other GP registers -- ret -+ pax_ret sha512_x4_avx2 - ENDPROC(sha512_x4_avx2) - - .data -diff --git a/arch/x86/crypto/sha512-ssse3-asm.S b/arch/x86/crypto/sha512-ssse3-asm.S -index e610e29..6b3848e 100644 ---- a/arch/x86/crypto/sha512-ssse3-asm.S -+++ b/arch/x86/crypto/sha512-ssse3-asm.S -@@ -48,6 +48,7 @@ - ######################################################################## - - #include -+#include - - .text - -@@ -275,7 +276,8 @@ frame_size = frame_GPRSAVE + GPRSAVE_SIZE - # message blocks. - # L is the message length in SHA512 blocks. - ######################################################################## --ENTRY(sha512_transform_ssse3) -+ALIGN -+RAP_ENTRY(sha512_transform_ssse3) - - cmp $0, msglen - je nowork -@@ -363,7 +365,7 @@ updateblock: - mov frame_RSPSAVE(%rsp), %rsp - - nowork: -- ret -+ pax_ret sha512_transform_ssse3 - ENDPROC(sha512_transform_ssse3) - - ######################################################################## -diff --git a/arch/x86/crypto/sha512_ssse3_glue.c b/arch/x86/crypto/sha512_ssse3_glue.c -index 2b0e2a6..59a1f94 100644 ---- a/arch/x86/crypto/sha512_ssse3_glue.c -+++ b/arch/x86/crypto/sha512_ssse3_glue.c -@@ -39,10 +39,10 @@ - - #include - --asmlinkage void sha512_transform_ssse3(u64 *digest, const char *data, -- u64 rounds); -+asmlinkage void sha512_transform_ssse3(struct sha512_state *digest, const u8 *data, -+ int rounds); - --typedef void (sha512_transform_fn)(u64 *digest, const char *data, u64 rounds); -+typedef void (sha512_transform_fn)(struct sha512_state *digest, const u8 *data, int rounds); - - static int sha512_update(struct shash_desc *desc, const u8 *data, - unsigned int len, sha512_transform_fn *sha512_xform) -@@ -57,8 +57,7 @@ static int sha512_update(struct shash_desc *desc, const u8 *data, - BUILD_BUG_ON(offsetof(struct sha512_state, state) != 0); - - kernel_fpu_begin(); -- sha512_base_do_update(desc, data, len, -- (sha512_block_fn *)sha512_xform); -+ sha512_base_do_update(desc, data, len, sha512_xform); - kernel_fpu_end(); - - return 0; -@@ -72,9 +71,8 @@ static int sha512_finup(struct shash_desc *desc, const u8 *data, - - kernel_fpu_begin(); - if (len) -- sha512_base_do_update(desc, data, len, -- (sha512_block_fn *)sha512_xform); -- sha512_base_do_finalize(desc, (sha512_block_fn *)sha512_xform); -+ sha512_base_do_update(desc, data, len, sha512_xform); -+ sha512_base_do_finalize(desc, sha512_xform); - kernel_fpu_end(); - - return sha512_base_finish(desc, out); -@@ -146,8 +144,8 @@ static void unregister_sha512_ssse3(void) - } - - #ifdef CONFIG_AS_AVX --asmlinkage void sha512_transform_avx(u64 *digest, const char *data, -- u64 rounds); -+asmlinkage void sha512_transform_avx(struct sha512_state *digest, const u8 *data, -+ int rounds); - static bool avx_usable(void) - { - if (!cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM, NULL)) { -@@ -229,8 +227,8 @@ static inline void unregister_sha512_avx(void) { } - #endif - - #if defined(CONFIG_AS_AVX2) && defined(CONFIG_AS_AVX) --asmlinkage void sha512_transform_rorx(u64 *digest, const char *data, -- u64 rounds); -+asmlinkage void sha512_transform_rorx(struct sha512_state *digest, const u8 *data, -+ int rounds); - - static int sha512_avx2_update(struct shash_desc *desc, const u8 *data, - unsigned int len) -diff --git a/arch/x86/crypto/twofish-avx-x86_64-asm_64.S b/arch/x86/crypto/twofish-avx-x86_64-asm_64.S -index dc66273..91dc734b 100644 ---- a/arch/x86/crypto/twofish-avx-x86_64-asm_64.S -+++ b/arch/x86/crypto/twofish-avx-x86_64-asm_64.S -@@ -25,6 +25,7 @@ - - #include - #include -+#include - #include "glue_helper-asm-avx.S" - - .file "twofish-avx-x86_64-asm_64.S" -@@ -285,7 +286,7 @@ __twofish_enc_blk8: - outunpack_blocks(RC1, RD1, RA1, RB1, RK1, RX0, RY0, RK2); - outunpack_blocks(RC2, RD2, RA2, RB2, RK1, RX0, RY0, RK2); - -- ret; -+ pax_ret __twofish_enc_blk8; - ENDPROC(__twofish_enc_blk8) - - .align 8 -@@ -325,10 +326,10 @@ __twofish_dec_blk8: - outunpack_blocks(RA1, RB1, RC1, RD1, RK1, RX0, RY0, RK2); - outunpack_blocks(RA2, RB2, RC2, RD2, RK1, RX0, RY0, RK2); - -- ret; -+ pax_ret __twofish_dec_blk8; - ENDPROC(__twofish_dec_blk8) - --ENTRY(twofish_ecb_enc_8way) -+RAP_ENTRY(twofish_ecb_enc_8way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -340,15 +341,15 @@ ENTRY(twofish_ecb_enc_8way) - - load_8way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -- call __twofish_enc_blk8; -+ pax_direct_call __twofish_enc_blk8; - - store_8way(%r11, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2); - - FRAME_END -- ret; -+ pax_ret twofish_ecb_enc_8way; - ENDPROC(twofish_ecb_enc_8way) - --ENTRY(twofish_ecb_dec_8way) -+RAP_ENTRY(twofish_ecb_dec_8way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -360,15 +361,15 @@ ENTRY(twofish_ecb_dec_8way) - - load_8way(%rdx, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2); - -- call __twofish_dec_blk8; -+ pax_direct_call __twofish_dec_blk8; - - store_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - - FRAME_END -- ret; -+ pax_ret twofish_ecb_dec_8way; - ENDPROC(twofish_ecb_dec_8way) - --ENTRY(twofish_cbc_dec_8way) -+RAP_ENTRY(twofish_cbc_dec_8way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -376,24 +377,24 @@ ENTRY(twofish_cbc_dec_8way) - */ - FRAME_BEGIN - -- pushq %r12; -+ pushq %r14; - - movq %rsi, %r11; -- movq %rdx, %r12; -+ movq %rdx, %r14; - - load_8way(%rdx, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2); - -- call __twofish_dec_blk8; -+ pax_direct_call __twofish_dec_blk8; - -- store_cbc_8way(%r12, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); -+ store_cbc_8way(%r14, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -- popq %r12; -+ popq %r14; - - FRAME_END -- ret; -+ pax_ret twofish_cbc_dec_8way; - ENDPROC(twofish_cbc_dec_8way) - --ENTRY(twofish_ctr_8way) -+RAP_ENTRY(twofish_ctr_8way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -402,25 +403,25 @@ ENTRY(twofish_ctr_8way) - */ - FRAME_BEGIN - -- pushq %r12; -+ pushq %r14; - - movq %rsi, %r11; -- movq %rdx, %r12; -+ movq %rdx, %r14; - - load_ctr_8way(%rcx, .Lbswap128_mask, RA1, RB1, RC1, RD1, RA2, RB2, RC2, - RD2, RX0, RX1, RY0); - -- call __twofish_enc_blk8; -+ pax_direct_call __twofish_enc_blk8; - -- store_ctr_8way(%r12, %r11, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2); -+ store_ctr_8way(%r14, %r11, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2); - -- popq %r12; -+ popq %r14; - - FRAME_END -- ret; -+ pax_ret twofish_ctr_8way; - ENDPROC(twofish_ctr_8way) - --ENTRY(twofish_xts_enc_8way) -+RAP_ENTRY(twofish_xts_enc_8way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -435,16 +436,16 @@ ENTRY(twofish_xts_enc_8way) - load_xts_8way(%rcx, %rdx, %rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2, - RX0, RX1, RY0, .Lxts_gf128mul_and_shl1_mask); - -- call __twofish_enc_blk8; -+ pax_direct_call __twofish_enc_blk8; - - /* dst <= regs xor IVs(in dst) */ - store_xts_8way(%r11, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2); - - FRAME_END -- ret; -+ pax_ret twofish_xts_enc_8way; - ENDPROC(twofish_xts_enc_8way) - --ENTRY(twofish_xts_dec_8way) -+RAP_ENTRY(twofish_xts_dec_8way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -459,11 +460,11 @@ ENTRY(twofish_xts_dec_8way) - load_xts_8way(%rcx, %rdx, %rsi, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2, - RX0, RX1, RY0, .Lxts_gf128mul_and_shl1_mask); - -- call __twofish_dec_blk8; -+ pax_direct_call __twofish_dec_blk8; - - /* dst <= regs xor IVs(in dst) */ - store_xts_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - - FRAME_END -- ret; -+ pax_ret twofish_xts_dec_8way; - ENDPROC(twofish_xts_dec_8way) -diff --git a/arch/x86/crypto/twofish-i586-asm_32.S b/arch/x86/crypto/twofish-i586-asm_32.S -index 694ea45..91b9a8d 100644 ---- a/arch/x86/crypto/twofish-i586-asm_32.S -+++ b/arch/x86/crypto/twofish-i586-asm_32.S -@@ -22,6 +22,7 @@ - - #include - #include -+#include - - /* return address at 0 */ - -@@ -220,7 +221,7 @@ - xor %esi, d ## D;\ - ror $1, d ## D; - --ENTRY(twofish_enc_blk) -+RAP_ENTRY(twofish_enc_blk) - push %ebp /* save registers according to calling convention*/ - push %ebx - push %esi -@@ -273,10 +274,10 @@ ENTRY(twofish_enc_blk) - pop %ebx - pop %ebp - mov $1, %eax -- ret -+ pax_ret twofish_enc_blk - ENDPROC(twofish_enc_blk) - --ENTRY(twofish_dec_blk) -+RAP_ENTRY(twofish_dec_blk) - push %ebp /* save registers according to calling convention*/ - push %ebx - push %esi -@@ -330,5 +331,5 @@ ENTRY(twofish_dec_blk) - pop %ebx - pop %ebp - mov $1, %eax -- ret -+ pax_ret twofish_dec_blk - ENDPROC(twofish_dec_blk) -diff --git a/arch/x86/crypto/twofish-x86_64-asm_64-3way.S b/arch/x86/crypto/twofish-x86_64-asm_64-3way.S -index 1c3b7ce..9a65a0b 100644 ---- a/arch/x86/crypto/twofish-x86_64-asm_64-3way.S -+++ b/arch/x86/crypto/twofish-x86_64-asm_64-3way.S -@@ -21,6 +21,7 @@ - */ - - #include -+#include - - .file "twofish-x86_64-asm-3way.S" - .text -@@ -258,7 +259,7 @@ ENTRY(__twofish_enc_blk_3way) - popq %r13; - popq %r14; - popq %r15; -- ret; -+ pax_ret __twofish_enc_blk_3way; - - .L__enc_xor3: - outunpack_enc3(xor); -@@ -269,10 +270,10 @@ ENTRY(__twofish_enc_blk_3way) - popq %r13; - popq %r14; - popq %r15; -- ret; -+ pax_ret __twofish_enc_blk_3way; - ENDPROC(__twofish_enc_blk_3way) - --ENTRY(twofish_dec_blk_3way) -+RAP_ENTRY(twofish_dec_blk_3way) - /* input: - * %rdi: ctx, CTX - * %rsi: dst -@@ -308,5 +309,5 @@ ENTRY(twofish_dec_blk_3way) - popq %r13; - popq %r14; - popq %r15; -- ret; -+ pax_ret twofish_dec_blk_3way; - ENDPROC(twofish_dec_blk_3way) -diff --git a/arch/x86/crypto/twofish-x86_64-asm_64.S b/arch/x86/crypto/twofish-x86_64-asm_64.S -index a350c99..b59af9f 100644 ---- a/arch/x86/crypto/twofish-x86_64-asm_64.S -+++ b/arch/x86/crypto/twofish-x86_64-asm_64.S -@@ -22,6 +22,7 @@ - - #include - #include -+#include - - #define a_offset 0 - #define b_offset 4 -@@ -215,7 +216,7 @@ - xor %r8d, d ## D;\ - ror $1, d ## D; - --ENTRY(twofish_enc_blk) -+RAP_ENTRY(twofish_enc_blk) - pushq R1 - - /* %rdi contains the ctx address */ -@@ -265,10 +266,10 @@ ENTRY(twofish_enc_blk) - - popq R1 - movl $1,%eax -- ret -+ pax_ret twofish_enc_blk - ENDPROC(twofish_enc_blk) - --ENTRY(twofish_dec_blk) -+RAP_ENTRY(twofish_dec_blk) - pushq R1 - - /* %rdi contains the ctx address */ -@@ -317,5 +318,5 @@ ENTRY(twofish_dec_blk) - - popq R1 - movl $1,%eax -- ret -+ pax_ret twofish_dec_blk - ENDPROC(twofish_dec_blk) -diff --git a/arch/x86/crypto/twofish_avx_glue.c b/arch/x86/crypto/twofish_avx_glue.c -index b7a3904b..0d8bc60 100644 ---- a/arch/x86/crypto/twofish_avx_glue.c -+++ b/arch/x86/crypto/twofish_avx_glue.c -@@ -46,24 +46,27 @@ - #define TWOFISH_PARALLEL_BLOCKS 8 - - /* 8-way parallel cipher functions */ --asmlinkage void twofish_ecb_enc_8way(struct twofish_ctx *ctx, u8 *dst, -+asmlinkage void twofish_ecb_enc_8way(void *ctx, u8 *dst, - const u8 *src); --asmlinkage void twofish_ecb_dec_8way(struct twofish_ctx *ctx, u8 *dst, -+asmlinkage void twofish_ecb_dec_8way(void *ctx, u8 *dst, - const u8 *src); -+void __twofish_enc_blk8(void *ctx, u8 *dst, const u8 *src) __rap_hash; -+void __twofish_dec_blk8(void *ctx, u8 *dst, const u8 *src) __rap_hash; - --asmlinkage void twofish_cbc_dec_8way(struct twofish_ctx *ctx, u8 *dst, -+asmlinkage void twofish_cbc_dec_8way(void *ctx, u8 *dst, - const u8 *src); --asmlinkage void twofish_ctr_8way(struct twofish_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); -+asmlinkage void twofish_ctr_8way(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); - --asmlinkage void twofish_xts_enc_8way(struct twofish_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); --asmlinkage void twofish_xts_dec_8way(struct twofish_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); -+asmlinkage void twofish_xts_enc_8way(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); -+asmlinkage void twofish_xts_dec_8way(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); - --static inline void twofish_enc_blk_3way(struct twofish_ctx *ctx, u8 *dst, -+static inline void twofish_enc_blk_3way(void *_ctx, u8 *dst, - const u8 *src) - { -+ struct twofish_ctx *ctx = _ctx; - __twofish_enc_blk_3way(ctx, dst, src, false); - } - -diff --git a/arch/x86/crypto/twofish_glue.c b/arch/x86/crypto/twofish_glue.c -index 77e06c2..a45c27b 100644 ---- a/arch/x86/crypto/twofish_glue.c -+++ b/arch/x86/crypto/twofish_glue.c -@@ -44,10 +44,10 @@ - #include - #include - --asmlinkage void twofish_enc_blk(struct twofish_ctx *ctx, u8 *dst, -+asmlinkage void twofish_enc_blk(void *ctx, u8 *dst, - const u8 *src); - EXPORT_SYMBOL_GPL(twofish_enc_blk); --asmlinkage void twofish_dec_blk(struct twofish_ctx *ctx, u8 *dst, -+asmlinkage void twofish_dec_blk(void *ctx, u8 *dst, - const u8 *src); - EXPORT_SYMBOL_GPL(twofish_dec_blk); - -diff --git a/arch/x86/crypto/twofish_glue_3way.c b/arch/x86/crypto/twofish_glue_3way.c -index 2ebb5e9..a0b0aa9 100644 ---- a/arch/x86/crypto/twofish_glue_3way.c -+++ b/arch/x86/crypto/twofish_glue_3way.c -@@ -36,21 +36,21 @@ - EXPORT_SYMBOL_GPL(__twofish_enc_blk_3way); - EXPORT_SYMBOL_GPL(twofish_dec_blk_3way); - --static inline void twofish_enc_blk_3way(struct twofish_ctx *ctx, u8 *dst, -+static inline void twofish_enc_blk_3way(void *ctx, u8 *dst, - const u8 *src) - { - __twofish_enc_blk_3way(ctx, dst, src, false); - } - --static inline void twofish_enc_blk_xor_3way(struct twofish_ctx *ctx, u8 *dst, -+static inline void twofish_enc_blk_xor_3way(void *ctx, u8 *dst, - const u8 *src) - { - __twofish_enc_blk_3way(ctx, dst, src, true); - } - --void twofish_dec_blk_cbc_3way(void *ctx, u128 *dst, const u128 *src) -+void twofish_dec_blk_cbc_3way(void *ctx, u8 *_dst, const u8 *_src) - { -- u128 ivs[2]; -+ u128 ivs[2], *dst = (u128 *)_dst, *src = (u128 *)_src; - - ivs[0] = src[0]; - ivs[1] = src[1]; -@@ -118,10 +118,10 @@ static const struct common_glue_ctx twofish_ctr = { - - .funcs = { { - .num_blocks = 3, -- .fn_u = { .ecb = GLUE_FUNC_CAST(twofish_enc_blk_ctr_3way) } -+ .fn_u = { .ctr = GLUE_CTR_FUNC_CAST(twofish_enc_blk_ctr_3way) } - }, { - .num_blocks = 1, -- .fn_u = { .ecb = GLUE_FUNC_CAST(twofish_enc_blk_ctr) } -+ .fn_u = { .ctr = GLUE_CTR_FUNC_CAST(twofish_enc_blk_ctr) } - } } - }; - -diff --git a/arch/x86/entry/Makefile b/arch/x86/entry/Makefile -index 9976fce..4c336fd0 100644 ---- a/arch/x86/entry/Makefile -+++ b/arch/x86/entry/Makefile -@@ -14,4 +14,3 @@ obj-y += vdso/ - obj-y += vsyscall/ - - obj-$(CONFIG_IA32_EMULATION) += entry_64_compat.o syscall_32.o -- -diff --git a/arch/x86/entry/calling.h b/arch/x86/entry/calling.h -index 9a9e588..4f8115a 100644 ---- a/arch/x86/entry/calling.h -+++ b/arch/x86/entry/calling.h -@@ -95,23 +95,26 @@ For 32-bit we have the following conventions - kernel is built with - .endm - - .macro SAVE_C_REGS_HELPER offset=0 rax=1 rcx=1 r8910=1 r11=1 -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ movq %r12, R12+\offset(%rsp) -+#endif - .if \r11 -- movq %r11, 6*8+\offset(%rsp) -+ movq %r11, R11+\offset(%rsp) - .endif - .if \r8910 -- movq %r10, 7*8+\offset(%rsp) -- movq %r9, 8*8+\offset(%rsp) -- movq %r8, 9*8+\offset(%rsp) -+ movq %r10, R10+\offset(%rsp) -+ movq %r9, R9+\offset(%rsp) -+ movq %r8, R8+\offset(%rsp) - .endif - .if \rax -- movq %rax, 10*8+\offset(%rsp) -+ movq %rax, RAX+\offset(%rsp) - .endif - .if \rcx -- movq %rcx, 11*8+\offset(%rsp) -+ movq %rcx, RCX+\offset(%rsp) - .endif -- movq %rdx, 12*8+\offset(%rsp) -- movq %rsi, 13*8+\offset(%rsp) -- movq %rdi, 14*8+\offset(%rsp) -+ movq %rdx, RDX+\offset(%rsp) -+ movq %rsi, RSI+\offset(%rsp) -+ movq %rdi, RDI+\offset(%rsp) - .endm - .macro SAVE_C_REGS offset=0 - SAVE_C_REGS_HELPER \offset, 1, 1, 1, 1 -@@ -130,67 +133,78 @@ For 32-bit we have the following conventions - kernel is built with - .endm - - .macro SAVE_EXTRA_REGS offset=0 -- movq %r15, 0*8+\offset(%rsp) -- movq %r14, 1*8+\offset(%rsp) -- movq %r13, 2*8+\offset(%rsp) -- movq %r12, 3*8+\offset(%rsp) -- movq %rbp, 4*8+\offset(%rsp) -- movq %rbx, 5*8+\offset(%rsp) -+ movq %r15, R15+\offset(%rsp) -+ movq %r14, R14+\offset(%rsp) -+ movq %r13, R13+\offset(%rsp) -+#ifndef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ movq %r12, R12+\offset(%rsp) -+#endif -+ movq %rbp, RBP+\offset(%rsp) -+ movq %rbx, RBX+\offset(%rsp) - .endm - - .macro RESTORE_EXTRA_REGS offset=0 -- movq 0*8+\offset(%rsp), %r15 -- movq 1*8+\offset(%rsp), %r14 -- movq 2*8+\offset(%rsp), %r13 -- movq 3*8+\offset(%rsp), %r12 -- movq 4*8+\offset(%rsp), %rbp -- movq 5*8+\offset(%rsp), %rbx -+ movq R15+\offset(%rsp), %r15 -+ movq R14+\offset(%rsp), %r14 -+ movq R13+\offset(%rsp), %r13 -+#ifndef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ movq R12+\offset(%rsp), %r12 -+#endif -+ movq RBP+\offset(%rsp), %rbp -+ movq RBX+\offset(%rsp), %rbx - .endm - - .macro ZERO_EXTRA_REGS - xorl %r15d, %r15d - xorl %r14d, %r14d - xorl %r13d, %r13d -+#ifndef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR - xorl %r12d, %r12d -+#endif - xorl %ebp, %ebp - xorl %ebx, %ebx - .endm - -- .macro RESTORE_C_REGS_HELPER rstor_rax=1, rstor_rcx=1, rstor_r11=1, rstor_r8910=1, rstor_rdx=1 -+ .macro RESTORE_C_REGS_HELPER rstor_rax=1, rstor_rcx=1, rstor_r11=1, rstor_r8910=1, rstor_rdx=1, rstor_r12=1 -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ .if \rstor_r12 -+ movq R12(%rsp), %r12 -+ .endif -+#endif - .if \rstor_r11 -- movq 6*8(%rsp), %r11 -+ movq R11(%rsp), %r11 - .endif - .if \rstor_r8910 -- movq 7*8(%rsp), %r10 -- movq 8*8(%rsp), %r9 -- movq 9*8(%rsp), %r8 -+ movq R10(%rsp), %r10 -+ movq R9(%rsp), %r9 -+ movq R8(%rsp), %r8 - .endif - .if \rstor_rax -- movq 10*8(%rsp), %rax -+ movq RAX(%rsp), %rax - .endif - .if \rstor_rcx -- movq 11*8(%rsp), %rcx -+ movq RCX(%rsp), %rcx - .endif - .if \rstor_rdx -- movq 12*8(%rsp), %rdx -+ movq RDX(%rsp), %rdx - .endif -- movq 13*8(%rsp), %rsi -- movq 14*8(%rsp), %rdi -+ movq RSI(%rsp), %rsi -+ movq RDI(%rsp), %rdi - .endm - .macro RESTORE_C_REGS -- RESTORE_C_REGS_HELPER 1,1,1,1,1 -+ RESTORE_C_REGS_HELPER 1,1,1,1,1,1 - .endm - .macro RESTORE_C_REGS_EXCEPT_RAX -- RESTORE_C_REGS_HELPER 0,1,1,1,1 -+ RESTORE_C_REGS_HELPER 0,1,1,1,1,0 - .endm - .macro RESTORE_C_REGS_EXCEPT_RCX -- RESTORE_C_REGS_HELPER 1,0,1,1,1 -+ RESTORE_C_REGS_HELPER 1,0,1,1,1,0 - .endm - .macro RESTORE_C_REGS_EXCEPT_R11 -- RESTORE_C_REGS_HELPER 1,1,0,1,1 -+ RESTORE_C_REGS_HELPER 1,1,0,1,1,1 - .endm - .macro RESTORE_C_REGS_EXCEPT_RCX_R11 -- RESTORE_C_REGS_HELPER 1,0,0,1,1 -+ RESTORE_C_REGS_HELPER 1,0,0,1,1,1 - .endm - - .macro REMOVE_PT_GPREGS_FROM_STACK addskip=0 -@@ -212,7 +226,7 @@ For 32-bit we have the following conventions - kernel is built with - #ifdef HAVE_JUMP_LABEL - STATIC_JUMP_IF_FALSE .Lafter_call_\@, context_tracking_enabled, def=0 - #endif -- call enter_from_user_mode -+ pax_direct_call enter_from_user_mode - .Lafter_call_\@: - #endif - .endm -diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c -index bdd9cc5..486d4bf 100644 ---- a/arch/x86/entry/common.c -+++ b/arch/x86/entry/common.c -@@ -42,6 +42,21 @@ __visible inline void enter_from_user_mode(void) - static inline void enter_from_user_mode(void) {} - #endif - -+void pax_enter_kernel(void) __rap_hash; -+void pax_enter_kernel_user(void) __rap_hash; -+void pax_exit_kernel(void) __rap_hash; -+void pax_exit_kernel_user(void) __rap_hash; -+ -+void paranoid_entry(void) __rap_hash; -+void paranoid_entry_nmi(void) __rap_hash; -+void error_entry(void) __rap_hash; -+ -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+asmlinkage void pax_erase_kstack(void) __rap_hash; -+#else -+static void pax_erase_kstack(void) {} -+#endif -+ - static void do_audit_syscall_entry(struct pt_regs *regs, u32 arch) - { - #ifdef CONFIG_X86_64 -@@ -56,6 +71,10 @@ static void do_audit_syscall_entry(struct pt_regs *regs, u32 arch) - } - } - -+#ifdef CONFIG_GRKERNSEC_SETXID -+extern void gr_delayed_cred_worker(void); -+#endif -+ - /* - * Returns the syscall nr to run (which should match regs->orig_ax) or -1 - * to skip the syscall. -@@ -74,12 +93,19 @@ static long syscall_trace_enter(struct pt_regs *regs) - - work = ACCESS_ONCE(ti->flags) & _TIF_WORK_SYSCALL_ENTRY; - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - if (unlikely(work & _TIF_SYSCALL_EMU)) - emulated = true; - - if ((emulated || (work & _TIF_SYSCALL_TRACE)) && -- tracehook_report_syscall_entry(regs)) -+ tracehook_report_syscall_entry(regs)) { -+ pax_erase_kstack(); - return -1L; -+ } - - if (emulated) - return -1L; -@@ -113,9 +139,11 @@ static long syscall_trace_enter(struct pt_regs *regs) - sd.args[5] = regs->bp; - } - -- ret = __secure_computing(&sd); -- if (ret == -1) -+ ret = secure_computing(&sd); -+ if (ret == -1) { -+ pax_erase_kstack(); - return ret; -+ } - } - #endif - -@@ -124,6 +152,7 @@ static long syscall_trace_enter(struct pt_regs *regs) - - do_audit_syscall_entry(regs, arch); - -+ pax_erase_kstack(); - return ret ?: regs->orig_ax; - } - -@@ -229,7 +258,7 @@ static void syscall_slow_exit_work(struct pt_regs *regs, u32 cached_flags) - step = unlikely( - (cached_flags & (_TIF_SINGLESTEP | _TIF_SYSCALL_EMU)) - == _TIF_SINGLESTEP); -- if (step || cached_flags & _TIF_SYSCALL_TRACE) -+ if (step || (cached_flags & _TIF_SYSCALL_TRACE)) - tracehook_report_syscall_exit(regs, step); - } - -@@ -248,6 +277,11 @@ __visible inline void syscall_return_slowpath(struct pt_regs *regs) - WARN(irqs_disabled(), "syscall %ld left IRQs disabled", regs->orig_ax)) - local_irq_enable(); - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - /* - * First do one-time work. If these work items are enabled, we - * want to run them exactly once per syscall exit with IRQs on. -@@ -346,6 +380,7 @@ __visible long do_fast_syscall_32(struct pt_regs *regs) - - unsigned long landing_pad = (unsigned long)current->mm->context.vdso + - vdso_image_32.sym_int80_landing_pad; -+ u32 __user *saved_bp = (u32 __force_user *)(unsigned long)(u32)regs->sp; - - /* - * SYSENTER loses EIP, and even SYSCALL32 needs us to skip forward -@@ -365,11 +400,9 @@ __visible long do_fast_syscall_32(struct pt_regs *regs) - * Micro-optimization: the pointer we're following is explicitly - * 32 bits, so it can't be out of range. - */ -- __get_user(*(u32 *)®s->bp, -- (u32 __user __force *)(unsigned long)(u32)regs->sp) -+ __get_user_nocheck(*(u32 *)®s->bp, saved_bp, sizeof(u32)) - #else -- get_user(*(u32 *)®s->bp, -- (u32 __user __force *)(unsigned long)(u32)regs->sp) -+ get_user(regs->bp, saved_bp) - #endif - ) { - -diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S -index edba860..d684e0f 100644 ---- a/arch/x86/entry/entry_32.S -+++ b/arch/x86/entry/entry_32.S -@@ -45,6 +45,7 @@ - #include - #include - #include -+#include - - .section .entry.text, "ax" - -@@ -148,13 +149,157 @@ - movl \reg, PT_GS(%esp) - .endm - .macro SET_KERNEL_GS reg -+ -+#ifdef CONFIG_CC_STACKPROTECTOR - movl $(__KERNEL_STACK_CANARY), \reg -+#elif defined(CONFIG_PAX_MEMORY_UDEREF) -+ movl $(__USER_DS), \reg -+#else -+ xorl \reg, \reg -+#endif -+ - movl \reg, %gs - .endm - - #endif /* CONFIG_X86_32_LAZY_GS */ - --.macro SAVE_ALL pt_regs_ax=%eax -+.macro pax_enter_kernel -+#ifdef CONFIG_PAX_KERNEXEC -+ pax_direct_call pax_enter_kernel -+#endif -+.endm -+ -+.macro pax_exit_kernel -+#ifdef CONFIG_PAX_KERNEXEC -+ pax_direct_call pax_exit_kernel -+#endif -+.endm -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ENTRY(pax_enter_kernel) -+#ifdef CONFIG_PARAVIRT -+ pushl %eax -+ pushl %ecx -+ pax_indirect_call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0), read_cr0 -+ mov %eax, %esi -+#else -+ mov %cr0, %esi -+#endif -+ bts $X86_CR0_WP_BIT, %esi -+ jnc 1f -+ mov %cs, %esi -+ cmp $__KERNEL_CS, %esi -+ jz 3f -+ ljmp $__KERNEL_CS, $3f -+1: ljmp $__KERNEXEC_KERNEL_CS, $2f -+2: -+#ifdef CONFIG_PARAVIRT -+ mov %esi, %eax -+ pax_indirect_call PARA_INDIRECT(pv_cpu_ops+PV_CPU_write_cr0), write_cr0 -+#else -+ mov %esi, %cr0 -+#endif -+3: -+#ifdef CONFIG_PARAVIRT -+ popl %ecx -+ popl %eax -+#endif -+ pax_ret pax_enter_kernel -+ENDPROC(pax_enter_kernel) -+ -+ENTRY(pax_exit_kernel) -+#ifdef CONFIG_PARAVIRT -+ pushl %eax -+ pushl %ecx -+#endif -+ mov %cs, %esi -+ cmp $__KERNEXEC_KERNEL_CS, %esi -+ jnz 2f -+#ifdef CONFIG_PARAVIRT -+ pax_indirect_call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0), read_cr0 -+ mov %eax, %esi -+#else -+ mov %cr0, %esi -+#endif -+ btr $X86_CR0_WP_BIT, %esi -+ ljmp $__KERNEL_CS, $1f -+1: -+#ifdef CONFIG_PARAVIRT -+ mov %esi, %eax -+ pax_indirect_call PARA_INDIRECT(pv_cpu_ops+PV_CPU_write_cr0), write_cr0 -+#else -+ mov %esi, %cr0 -+#endif -+2: -+#ifdef CONFIG_PARAVIRT -+ popl %ecx -+ popl %eax -+#endif -+ pax_ret pax_exit_kernel -+ENDPROC(pax_exit_kernel) -+#endif -+ -+ .macro pax_erase_kstack -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+ pax_direct_call pax_erase_kstack -+#endif -+ .endm -+ -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+/* -+ * ebp: thread_info -+ */ -+ENTRY(pax_erase_kstack) -+ pushl %edi -+ pushl %ecx -+ pushl %eax -+ pushl %ebp -+ -+ GET_CURRENT(%ebp) -+ mov TASK_lowest_stack(%ebp), %edi -+ mov $-0xBEEF, %eax -+ std -+ -+1: mov %edi, %ecx -+ and $THREAD_SIZE_asm - 1, %ecx -+ shr $2, %ecx -+ repne scasl -+ jecxz 2f -+ -+ cmp $2*16, %ecx -+ jc 2f -+ -+ mov $2*16, %ecx -+ repe scasl -+ jecxz 2f -+ jne 1b -+ -+2: cld -+ or $2*4, %edi -+ mov %esp, %ecx -+ sub %edi, %ecx -+ -+ cmp $THREAD_SIZE_asm, %ecx -+ jb 3f -+ ud2 -+3: -+ -+ shr $2, %ecx -+ rep stosl -+ -+ mov TASK_thread_sp0(%ebp), %edi -+ sub $128, %edi -+ mov %edi, TASK_lowest_stack(%ebp) -+ -+ popl %ebp -+ popl %eax -+ popl %ecx -+ popl %edi -+ pax_ret pax_erase_kstack -+ENDPROC(pax_erase_kstack) -+#endif -+ -+.macro __SAVE_ALL pt_regs_ax, _DS - cld - PUSH_GS - pushl %fs -@@ -167,7 +312,7 @@ - pushl %edx - pushl %ecx - pushl %ebx -- movl $(__USER_DS), %edx -+ movl $\_DS, %edx - movl %edx, %ds - movl %edx, %es - movl $(__KERNEL_PERCPU), %edx -@@ -175,6 +320,15 @@ - SET_KERNEL_GS %edx - .endm - -+.macro SAVE_ALL pt_regs_ax=%eax -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ __SAVE_ALL \pt_regs_ax, __KERNEL_DS -+ pax_enter_kernel -+#else -+ __SAVE_ALL \pt_regs_ax, __USER_DS -+#endif -+.endm -+ - .macro RESTORE_INT_REGS - popl %ebx - popl %ecx -@@ -235,7 +389,7 @@ ENTRY(__switch_to_asm) - popl %ebp - - jmp __switch_to --END(__switch_to_asm) -+ENDPROC(__switch_to_asm) - - /* - * A newly forked process directly context switches into this address. -@@ -246,7 +400,7 @@ END(__switch_to_asm) - */ - ENTRY(ret_from_fork) - pushl %eax -- call schedule_tail -+ pax_direct_call schedule_tail - popl %eax - - testl %ebx, %ebx -@@ -255,12 +409,12 @@ ENTRY(ret_from_fork) - 2: - /* When we fork, we trace the syscall return in the child, too. */ - movl %esp, %eax -- call syscall_return_slowpath -+ pax_direct_call syscall_return_slowpath - jmp restore_all - - /* kernel thread */ - 1: movl %edi, %eax -- call *%ebx -+ pax_indirect_call "%ebx", kthreadd - /* - * A kernel thread is allowed to return here after successfully - * calling do_execve(). Exit to userspace to complete the execve() -@@ -268,7 +422,7 @@ ENTRY(ret_from_fork) - */ - movl $0, PT_EAX(%esp) - jmp 2b --END(ret_from_fork) -+ENDPROC(ret_from_fork) - - /* - * Return to user mode is not as complex as all this looks, -@@ -294,15 +448,23 @@ ret_from_intr: - andl $SEGMENT_RPL_MASK, %eax - #endif - cmpl $USER_RPL, %eax -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ jae resume_userspace -+ -+ pax_exit_kernel -+ jmp resume_kernel -+#else - jb resume_kernel # not returning to v8086 or userspace -+#endif - - ENTRY(resume_userspace) - DISABLE_INTERRUPTS(CLBR_ANY) - TRACE_IRQS_OFF - movl %esp, %eax -- call prepare_exit_to_usermode -- jmp restore_all --END(ret_from_exception) -+ pax_direct_call prepare_exit_to_usermode -+ jmp .Lsyscall_32_done -+ENDPROC(ret_from_exception) - - #ifdef CONFIG_PREEMPT - ENTRY(resume_kernel) -@@ -312,9 +474,9 @@ need_resched: - jnz restore_all - testl $X86_EFLAGS_IF, PT_EFLAGS(%esp) # interrupts off (exception path) ? - jz restore_all -- call preempt_schedule_irq -+ pax_direct_call preempt_schedule_irq - jmp need_resched --END(resume_kernel) -+ENDPROC(resume_kernel) - #endif - - GLOBAL(__begin_SYSENTER_singlestep_region) -@@ -381,6 +543,10 @@ sysenter_past_esp: - pushl %eax /* pt_regs->orig_ax */ - SAVE_ALL pt_regs_ax=$-ENOSYS /* save rest */ - -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ - /* - * SYSENTER doesn't filter flags, so we need to clear NT, AC - * and TF ourselves. To save a few cycles, we can check whether -@@ -411,16 +577,25 @@ sysenter_past_esp: - TRACE_IRQS_OFF - - movl %esp, %eax -- call do_fast_syscall_32 -+ pax_direct_call do_fast_syscall_32 - /* XEN PV guests always use IRET path */ - ALTERNATIVE "testl %eax, %eax; jz .Lsyscall_32_done", \ - "jmp .Lsyscall_32_done", X86_FEATURE_XENPV - -+#ifdef CONFIG_PAX_RANDKSTACK -+ movl %esp, %eax -+ pax_direct_call pax_randomize_kstack -+#endif -+ -+ pax_erase_kstack -+ - /* Opportunistic SYSEXIT */ - TRACE_IRQS_ON /* User mode traces as IRQs on. */ - movl PT_EIP(%esp), %edx /* pt_regs->ip */ - movl PT_OLDESP(%esp), %ecx /* pt_regs->sp */ - 1: mov PT_FS(%esp), %fs -+2: mov PT_DS(%esp), %ds -+3: mov PT_ES(%esp), %es - PTGS_TO_GS - popl %ebx /* pt_regs->bx */ - addl $2*4, %esp /* skip pt_regs->cx and pt_regs->dx */ -@@ -446,10 +621,16 @@ sysenter_past_esp: - sysexit - - .pushsection .fixup, "ax" --2: movl $0, PT_FS(%esp) -+4: movl $0, PT_FS(%esp) -+ jmp 1b -+5: movl $0, PT_DS(%esp) -+ jmp 1b -+6: movl $0, PT_ES(%esp) - jmp 1b - .popsection -- _ASM_EXTABLE(1b, 2b) -+ _ASM_EXTABLE(1b, 4b) -+ _ASM_EXTABLE(2b, 5b) -+ _ASM_EXTABLE(3b, 6b) - PTGS_TO_GS_EX - - .Lsysenter_fix_flags: -@@ -492,6 +673,10 @@ ENTRY(entry_INT80_32) - pushl %eax /* pt_regs->orig_ax */ - SAVE_ALL pt_regs_ax=$-ENOSYS /* save rest */ - -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ - /* - * User mode is traced as though IRQs are on, and the interrupt gate - * turned them off. -@@ -499,9 +684,16 @@ ENTRY(entry_INT80_32) - TRACE_IRQS_OFF - - movl %esp, %eax -- call do_int80_syscall_32 -+ pax_direct_call do_int80_syscall_32 - .Lsyscall_32_done: - -+#ifdef CONFIG_PAX_RANDKSTACK -+ movl %esp, %eax -+ pax_direct_call pax_randomize_kstack -+#endif -+ -+ pax_erase_kstack -+ - restore_all: - TRACE_IRQS_IRET - restore_all_notrace: -@@ -545,14 +737,34 @@ ldt_ss: - * compensating for the offset by changing to the ESPFIX segment with - * a base address that matches for the difference. - */ --#define GDT_ESPFIX_SS PER_CPU_VAR(gdt_page) + (GDT_ENTRY_ESPFIX_SS * 8) -+#define GDT_ESPFIX_SS (GDT_ENTRY_ESPFIX_SS * 8)(%ebx) - mov %esp, %edx /* load kernel esp */ - mov PT_OLDESP(%esp), %eax /* load userspace esp */ - mov %dx, %ax /* eax: new kernel esp */ - sub %eax, %edx /* offset (low word is 0) */ -+#ifdef CONFIG_SMP -+ movl PER_CPU_VAR(cpu_number), %ebx -+ shll $PAGE_SHIFT_asm, %ebx -+ addl $cpu_gdt_table, %ebx -+#else -+ movl $cpu_gdt_table, %ebx -+#endif - shr $16, %edx -- mov %dl, GDT_ESPFIX_SS + 4 /* bits 16..23 */ -- mov %dh, GDT_ESPFIX_SS + 7 /* bits 24..31 */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ mov %cr0, %esi -+ btr $X86_CR0_WP_BIT, %esi -+ mov %esi, %cr0 -+#endif -+ -+ mov %dl, 4 + GDT_ESPFIX_SS /* bits 16..23 */ -+ mov %dh, 7 + GDT_ESPFIX_SS /* bits 24..31 */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ bts $X86_CR0_WP_BIT, %esi -+ mov %esi, %cr0 -+#endif -+ - pushl $__ESPFIX_SS - pushl %eax /* new kernel esp */ - /* -@@ -576,8 +788,15 @@ ENDPROC(entry_INT80_32) - */ - #ifdef CONFIG_X86_ESPFIX32 - /* fixup the stack */ -- mov GDT_ESPFIX_SS + 4, %al /* bits 16..23 */ -- mov GDT_ESPFIX_SS + 7, %ah /* bits 24..31 */ -+#ifdef CONFIG_SMP -+ movl PER_CPU_VAR(cpu_number), %ebx -+ shll $PAGE_SHIFT_asm, %ebx -+ addl $cpu_gdt_table, %ebx -+#else -+ movl $cpu_gdt_table, %ebx -+#endif -+ mov 4 + GDT_ESPFIX_SS, %al /* bits 16..23 */ -+ mov 7 + GDT_ESPFIX_SS, %ah /* bits 24..31 */ - shl $16, %eax - addl %esp, %eax /* the adjusted stack pointer */ - pushl $__KERNEL_DS -@@ -613,7 +832,7 @@ ENTRY(irq_entries_start) - jmp common_interrupt - .align 8 - .endr --END(irq_entries_start) -+ENDPROC(irq_entries_start) - - /* - * the CPU automatically disables interrupts when executing an IRQ vector, -@@ -626,7 +845,7 @@ common_interrupt: - SAVE_ALL - TRACE_IRQS_OFF - movl %esp, %eax -- call do_IRQ -+ pax_direct_call do_IRQ - jmp ret_from_intr - ENDPROC(common_interrupt) - -@@ -637,7 +856,7 @@ ENTRY(name) \ - SAVE_ALL; \ - TRACE_IRQS_OFF \ - movl %esp, %eax; \ -- call fn; \ -+ pax_direct_call fn; \ - jmp ret_from_intr; \ - ENDPROC(name) - -@@ -660,7 +879,7 @@ ENTRY(coprocessor_error) - pushl $0 - pushl $do_coprocessor_error - jmp error_code --END(coprocessor_error) -+ENDPROC(coprocessor_error) - - ENTRY(simd_coprocessor_error) - ASM_CLAC -@@ -674,20 +893,20 @@ ENTRY(simd_coprocessor_error) - pushl $do_simd_coprocessor_error - #endif - jmp error_code --END(simd_coprocessor_error) -+ENDPROC(simd_coprocessor_error) - - ENTRY(device_not_available) - ASM_CLAC - pushl $-1 # mark this as an int - pushl $do_device_not_available - jmp error_code --END(device_not_available) -+ENDPROC(device_not_available) - - #ifdef CONFIG_PARAVIRT - ENTRY(native_iret) - iret - _ASM_EXTABLE(native_iret, iret_exc) --END(native_iret) -+ENDPROC(native_iret) - #endif - - ENTRY(overflow) -@@ -695,59 +914,59 @@ ENTRY(overflow) - pushl $0 - pushl $do_overflow - jmp error_code --END(overflow) -+ENDPROC(overflow) - - ENTRY(bounds) - ASM_CLAC - pushl $0 - pushl $do_bounds - jmp error_code --END(bounds) -+ENDPROC(bounds) - - ENTRY(invalid_op) - ASM_CLAC - pushl $0 - pushl $do_invalid_op - jmp error_code --END(invalid_op) -+ENDPROC(invalid_op) - - ENTRY(coprocessor_segment_overrun) - ASM_CLAC - pushl $0 - pushl $do_coprocessor_segment_overrun - jmp error_code --END(coprocessor_segment_overrun) -+ENDPROC(coprocessor_segment_overrun) - - ENTRY(invalid_TSS) - ASM_CLAC - pushl $do_invalid_TSS - jmp error_code --END(invalid_TSS) -+ENDPROC(invalid_TSS) - - ENTRY(segment_not_present) - ASM_CLAC - pushl $do_segment_not_present - jmp error_code --END(segment_not_present) -+ENDPROC(segment_not_present) - - ENTRY(stack_segment) - ASM_CLAC - pushl $do_stack_segment - jmp error_code --END(stack_segment) -+ENDPROC(stack_segment) - - ENTRY(alignment_check) - ASM_CLAC - pushl $do_alignment_check - jmp error_code --END(alignment_check) -+ENDPROC(alignment_check) - - ENTRY(divide_error) - ASM_CLAC - pushl $0 # no error code - pushl $do_divide_error - jmp error_code --END(divide_error) -+ENDPROC(divide_error) - - #ifdef CONFIG_X86_MCE - ENTRY(machine_check) -@@ -755,7 +974,7 @@ ENTRY(machine_check) - pushl $0 - pushl machine_check_vector - jmp error_code --END(machine_check) -+ENDPROC(machine_check) - #endif - - ENTRY(spurious_interrupt_bug) -@@ -763,7 +982,32 @@ ENTRY(spurious_interrupt_bug) - pushl $0 - pushl $do_spurious_interrupt_bug - jmp error_code --END(spurious_interrupt_bug) -+ENDPROC(spurious_interrupt_bug) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ENTRY(refcount_error) -+ ASM_CLAC -+ pushl $0 -+ pushl $do_refcount_error -+ jmp error_code -+ENDPROC(refcount_error) -+#endif -+ -+#ifdef CONFIG_PAX_RAP -+ENTRY(rap_call_error) -+ ASM_CLAC -+ pushl $0 -+ pushl $do_rap_call_error -+ jmp error_code -+ENDPROC(rap_call_error) -+ -+ENTRY(rap_ret_error) -+ ASM_CLAC -+ pushl $0 -+ pushl $do_rap_ret_error -+ jmp error_code -+ENDPROC(rap_ret_error) -+#endif - - #ifdef CONFIG_XEN - ENTRY(xen_hypervisor_callback) -@@ -788,9 +1032,9 @@ ENTRY(xen_hypervisor_callback) - - ENTRY(xen_do_upcall) - 1: mov %esp, %eax -- call xen_evtchn_do_upcall -+ pax_direct_call xen_evtchn_do_upcall - #ifndef CONFIG_PREEMPT -- call xen_maybe_preempt_hcall -+ pax_direct_call xen_maybe_preempt_hcall - #endif - jmp ret_from_intr - ENDPROC(xen_hypervisor_callback) -@@ -861,8 +1105,8 @@ BUILD_INTERRUPT3(hyperv_callback_vector, HYPERVISOR_CALLBACK_VECTOR, - #ifdef CONFIG_DYNAMIC_FTRACE - - ENTRY(mcount) -- ret --END(mcount) -+ pax_ret mcount -+ENDPROC(mcount) - - ENTRY(ftrace_caller) - pushl %eax -@@ -876,7 +1120,7 @@ ENTRY(ftrace_caller) - - .globl ftrace_call - ftrace_call: -- call ftrace_stub -+ pax_direct_call ftrace_stub - - addl $4, %esp /* skip NULL pointer */ - popl %edx -@@ -891,8 +1135,8 @@ ftrace_graph_call: - - /* This is weak to keep gas from relaxing the jumps */ - WEAK(ftrace_stub) -- ret --END(ftrace_caller) -+ pax_ret ftrace_caller -+ENDPROC(ftrace_caller) - - ENTRY(ftrace_regs_caller) - pushf /* push flags before compare (in cs location) */ -@@ -931,7 +1175,7 @@ ENTRY(ftrace_regs_caller) - pushl %esp /* Save pt_regs as 4th parameter */ - - GLOBAL(ftrace_regs_call) -- call ftrace_stub -+ pax_direct_call ftrace_stub - - addl $4, %esp /* Skip pt_regs */ - movl 14*4(%esp), %eax /* Move flags back into cs */ -@@ -973,7 +1217,7 @@ ENTRY(mcount) - #endif - .globl ftrace_stub - ftrace_stub: -- ret -+ pax_ret ftrace_stub - - /* taken from glibc */ - trace: -@@ -984,13 +1228,13 @@ trace: - movl 0x4(%ebp), %edx - subl $MCOUNT_INSN_SIZE, %eax - -- call *ftrace_trace_function -+ pax_indirect_call "ftrace_trace_function", ftrace_stub - - popl %edx - popl %ecx - popl %eax - jmp ftrace_stub --END(mcount) -+ENDPROC(mcount) - #endif /* CONFIG_DYNAMIC_FTRACE */ - EXPORT_SYMBOL(mcount) - #endif /* CONFIG_FUNCTION_TRACER */ -@@ -1004,19 +1248,19 @@ ENTRY(ftrace_graph_caller) - lea 0x4(%ebp), %edx - movl (%ebp), %ecx - subl $MCOUNT_INSN_SIZE, %eax -- call prepare_ftrace_return -+ pax_direct_call prepare_ftrace_return - popl %edx - popl %ecx - popl %eax -- ret --END(ftrace_graph_caller) -+ pax_ret ftrace_graph_caller -+ENDPROC(ftrace_graph_caller) - - .globl return_to_handler - return_to_handler: - pushl %eax - pushl %edx - movl %ebp, %eax -- call ftrace_return_to_handler -+ pax_direct_call ftrace_return_to_handler - movl %eax, %ecx - popl %edx - popl %eax -@@ -1028,7 +1272,7 @@ ENTRY(trace_page_fault) - ASM_CLAC - pushl $trace_do_page_fault - jmp error_code --END(trace_page_fault) -+ENDPROC(trace_page_fault) - #endif - - ENTRY(page_fault) -@@ -1057,16 +1301,19 @@ error_code: - movl $-1, PT_ORIG_EAX(%esp) # no syscall to restart - REG_TO_PTGS %ecx - SET_KERNEL_GS %ecx -- movl $(__USER_DS), %ecx -+ movl $(__KERNEL_DS), %ecx - movl %ecx, %ds - movl %ecx, %es -+ -+ pax_enter_kernel -+ - TRACE_IRQS_OFF - movl %esp, %eax # pt_regs pointer -- call *%edi -+ pax_indirect_call "%edi", do_page_fault - jmp ret_from_exception --END(page_fault) -+ENDPROC(page_fault) - --ENTRY(debug) -+ENTRY(int1) - /* - * #DB can happen at the first instruction of - * entry_SYSENTER_32 or in Xen's SYSENTER prologue. If this -@@ -1083,13 +1330,19 @@ ENTRY(debug) - movl %esp, %eax # pt_regs pointer - - /* Are we currently on the SYSENTER stack? */ -- PER_CPU(cpu_tss + CPU_TSS_SYSENTER_stack + SIZEOF_SYSENTER_stack, %ecx) -+#ifdef CONFIG_SMP -+ imul $TSS_size, PER_CPU_VAR(cpu_number), %ecx -+ lea cpu_tss(%ecx), %ecx -+#else -+ movl $cpu_tss, %ecx -+#endif -+ movl CPU_TSS_SYSENTER_stack + SIZEOF_SYSENTER_stack(%ecx), %ecx - subl %eax, %ecx /* ecx = (end of SYSENTER_stack) - esp */ - cmpl $SIZEOF_SYSENTER_stack, %ecx - jb .Ldebug_from_sysenter_stack - - TRACE_IRQS_OFF -- call do_debug -+ pax_direct_call do_debug - jmp ret_from_exception - - .Ldebug_from_sysenter_stack: -@@ -1097,10 +1350,10 @@ ENTRY(debug) - movl %esp, %ebp - movl PER_CPU_VAR(cpu_current_top_of_stack), %esp - TRACE_IRQS_OFF -- call do_debug -+ pax_direct_call do_debug - movl %ebp, %esp - jmp ret_from_exception --END(debug) -+ENDPROC(int1) - - /* - * NMI is doubly nasty. It can happen on the first instruction of -@@ -1125,13 +1378,22 @@ ENTRY(nmi) - movl %esp, %eax # pt_regs pointer - - /* Are we currently on the SYSENTER stack? */ -- PER_CPU(cpu_tss + CPU_TSS_SYSENTER_stack + SIZEOF_SYSENTER_stack, %ecx) -+#ifdef CONFIG_SMP -+ imul $TSS_size, PER_CPU_VAR(cpu_number), %ecx -+ lea cpu_tss(%ecx), %ecx -+#else -+ movl $cpu_tss, %ecx -+#endif -+ movl CPU_TSS_SYSENTER_stack + SIZEOF_SYSENTER_stack(%ecx), %ecx - subl %eax, %ecx /* ecx = (end of SYSENTER_stack) - esp */ - cmpl $SIZEOF_SYSENTER_stack, %ecx - jb .Lnmi_from_sysenter_stack - - /* Not on SYSENTER stack. */ -- call do_nmi -+ pax_direct_call do_nmi -+ -+ pax_exit_kernel -+ - jmp restore_all_notrace - - .Lnmi_from_sysenter_stack: -@@ -1141,8 +1403,11 @@ ENTRY(nmi) - */ - movl %esp, %ebp - movl PER_CPU_VAR(cpu_current_top_of_stack), %esp -- call do_nmi -+ pax_direct_call do_nmi - movl %ebp, %esp -+ -+ pax_exit_kernel -+ - jmp restore_all_notrace - - #ifdef CONFIG_X86_ESPFIX32 -@@ -1161,12 +1426,15 @@ nmi_espfix_stack: - SAVE_ALL - FIXUP_ESPFIX_STACK # %eax == %esp - xorl %edx, %edx # zero error code -- call do_nmi -+ pax_direct_call do_nmi -+ -+ pax_exit_kernel -+ - RESTORE_REGS - lss 12+4(%esp), %esp # back to espfix stack - jmp irq_return - #endif --END(nmi) -+ENDPROC(nmi) - - ENTRY(int3) - ASM_CLAC -@@ -1175,21 +1443,21 @@ ENTRY(int3) - TRACE_IRQS_OFF - xorl %edx, %edx # zero error code - movl %esp, %eax # pt_regs pointer -- call do_int3 -+ pax_direct_call do_int3 - jmp ret_from_exception --END(int3) -+ENDPROC(int3) - - ENTRY(general_protection) - pushl $do_general_protection - jmp error_code --END(general_protection) -+ENDPROC(general_protection) - - #ifdef CONFIG_KVM_GUEST - ENTRY(async_page_fault) - ASM_CLAC - pushl $do_async_page_fault - jmp error_code --END(async_page_fault) -+ENDPROC(async_page_fault) - #endif - - ENTRY(rewind_stack_do_exit) -@@ -1199,6 +1467,6 @@ ENTRY(rewind_stack_do_exit) - movl PER_CPU_VAR(cpu_current_top_of_stack), %esi - leal -TOP_OF_KERNEL_STACK_PADDING-PTREGS_SIZE(%esi), %esp - -- call do_exit -+ pax_direct_call do_group_exit - 1: jmp 1b --END(rewind_stack_do_exit) -+ENDPROC(rewind_stack_do_exit) -diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S -index ef766a3..d3f0e59 100644 ---- a/arch/x86/entry/entry_64.S -+++ b/arch/x86/entry/entry_64.S -@@ -37,6 +37,9 @@ - #include - #include - #include -+#include -+#include -+#include - - /* Avoid __ASSEMBLER__'ifying just for this. */ - #include -@@ -54,6 +57,392 @@ ENTRY(native_usergs_sysret64) - ENDPROC(native_usergs_sysret64) - #endif /* CONFIG_PARAVIRT */ - -+ .macro ljmpq sel, off -+#if defined(CONFIG_MPSC) || defined(CONFIG_MCORE2) || defined (CONFIG_MATOM) -+ .byte 0x48; ljmp *1234f(%rip) -+ .pushsection .rodata -+ .align 16 -+ 1234: .quad \off; .word \sel -+ .popsection -+#else -+ pushq $\sel -+ pushq $\off -+ lretq -+#endif -+ .endm -+ -+ .macro pax_enter_kernel -+ pax_set_fptr_mask -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ pax_direct_call pax_enter_kernel -+#endif -+ .endm -+ -+ .macro pax_exit_kernel -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ pax_direct_call pax_exit_kernel -+#endif -+ .endm -+ -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ENTRY(pax_enter_kernel) -+ pushq %rdi -+ -+#ifdef CONFIG_PARAVIRT -+ PV_SAVE_REGS(CLBR_RDI) -+#endif -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ GET_CR0_INTO_RDI -+ bts $X86_CR0_WP_BIT,%rdi -+ jnc 3f -+ mov %cs,%edi -+ cmp $__KERNEL_CS,%edi -+ jnz 2f -+1: -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ALTERNATIVE "jmp 111f", "", X86_FEATURE_PCID -+ GET_CR3_INTO_RDI -+ cmp $0,%dil -+ jnz 112f -+ mov $__KERNEL_DS,%edi -+ mov %edi,%ss -+ jmp 111f -+112: cmp $1,%dil -+ jz 113f -+ ud2 -+113: sub $4097,%rdi -+ bts $63,%rdi -+ SET_RDI_INTO_CR3 -+ mov $__UDEREF_KERNEL_DS,%edi -+ mov %edi,%ss -+111: -+#endif -+ -+#ifdef CONFIG_PARAVIRT -+ PV_RESTORE_REGS(CLBR_RDI) -+#endif -+ -+ popq %rdi -+ pax_ret pax_enter_kernel -+ -+#ifdef CONFIG_PAX_KERNEXEC -+2: ljmpq __KERNEL_CS,1b -+3: ljmpq __KERNEXEC_KERNEL_CS,4f -+4: SET_RDI_INTO_CR0 -+ jmp 1b -+#endif -+ENDPROC(pax_enter_kernel) -+ -+ENTRY(pax_exit_kernel) -+ pushq %rdi -+ -+#ifdef CONFIG_PARAVIRT -+ PV_SAVE_REGS(CLBR_RDI) -+#endif -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ mov %cs,%rdi -+ cmp $__KERNEXEC_KERNEL_CS,%edi -+ jz 2f -+ GET_CR0_INTO_RDI -+ bts $X86_CR0_WP_BIT,%rdi -+ jnc 4f -+1: -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ALTERNATIVE "jmp 111f", "", X86_FEATURE_PCID -+ mov %ss,%edi -+ cmp $__UDEREF_KERNEL_DS,%edi -+ jnz 111f -+ GET_CR3_INTO_RDI -+ cmp $0,%dil -+ jz 112f -+ ud2 -+112: add $4097,%rdi -+ bts $63,%rdi -+ SET_RDI_INTO_CR3 -+ mov $__KERNEL_DS,%edi -+ mov %edi,%ss -+111: -+#endif -+ -+#ifdef CONFIG_PARAVIRT -+ PV_RESTORE_REGS(CLBR_RDI); -+#endif -+ -+ popq %rdi -+ pax_ret pax_exit_kernel -+ -+#ifdef CONFIG_PAX_KERNEXEC -+2: GET_CR0_INTO_RDI -+ btr $X86_CR0_WP_BIT,%rdi -+ jnc 4f -+ ljmpq __KERNEL_CS,3f -+3: SET_RDI_INTO_CR0 -+ jmp 1b -+4: ud2 -+ jmp 4b -+#endif -+ENDPROC(pax_exit_kernel) -+#endif -+ -+ .macro pax_enter_kernel_user -+ pax_set_fptr_mask -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pax_direct_call pax_enter_kernel_user -+#endif -+ .endm -+ -+ .macro pax_exit_kernel_user -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pax_direct_call pax_exit_kernel_user -+#endif -+#ifdef CONFIG_PAX_RANDKSTACK -+ pushq %rax -+ pushq %r11 -+ pax_direct_call pax_randomize_kstack -+ popq %r11 -+ popq %rax -+#endif -+ .endm -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ENTRY(pax_enter_kernel_user) -+GLOBAL(patch_pax_enter_kernel_user) -+ pushq %rdi -+ pushq %rbx -+ -+#ifdef CONFIG_PARAVIRT -+ PV_SAVE_REGS(CLBR_RDI) -+#endif -+ -+ ALTERNATIVE "jmp 111f", "", X86_FEATURE_PCID -+ GET_CR3_INTO_RDI -+ cmp $1,%dil -+ jnz 4f -+ sub $4097,%rdi -+ bts $63,%rdi -+ SET_RDI_INTO_CR3 -+ jmp 3f -+111: -+ -+ GET_CR3_INTO_RDI -+ mov %rdi,%rbx -+ add $__START_KERNEL_map,%rbx -+ sub phys_base(%rip),%rbx -+ -+#ifdef CONFIG_PARAVIRT -+ pushq %rdi -+ i = 0 -+ .rept USER_PGD_PTRS -+ mov i*8(%rbx),%rsi -+ mov $0,%sil -+ lea i*8(%rbx),%rdi -+ pax_indirect_call PARA_INDIRECT(pv_mmu_ops+PV_MMU_set_pgd_batched), pv_mmu_ops.set_pgd_batched -+ i = i + 1 -+ .endr -+ popq %rdi -+#else -+ i = 0 -+ .rept USER_PGD_PTRS -+ movb $0,i*8(%rbx) -+ i = i + 1 -+ .endr -+#endif -+ -+ SET_RDI_INTO_CR3 -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ GET_CR0_INTO_RDI -+ bts $X86_CR0_WP_BIT,%rdi -+ SET_RDI_INTO_CR0 -+#endif -+ -+3: -+ -+#ifdef CONFIG_PARAVIRT -+ PV_RESTORE_REGS(CLBR_RDI) -+#endif -+ -+ popq %rbx -+ popq %rdi -+ pax_ret pax_enter_kernel_user -+4: ud2 -+ENDPROC(pax_enter_kernel_user) -+ -+ENTRY(pax_exit_kernel_user) -+GLOBAL(patch_pax_exit_kernel_user) -+ pushq %rdi -+ pushq %rbx -+ -+#ifdef CONFIG_PARAVIRT -+ PV_SAVE_REGS(CLBR_RDI) -+#endif -+ -+ GET_CR3_INTO_RDI -+ ALTERNATIVE "jmp 1f", "", X86_FEATURE_PCID -+ cmp $0,%dil -+ jnz 3f -+ add $4097,%rdi -+ bts $63,%rdi -+ SET_RDI_INTO_CR3 -+ jmp 2f -+1: -+ -+ mov %rdi,%rbx -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ GET_CR0_INTO_RDI -+ btr $X86_CR0_WP_BIT,%rdi -+ jnc 3f -+ SET_RDI_INTO_CR0 -+#endif -+ -+ add $__START_KERNEL_map,%rbx -+ sub phys_base(%rip),%rbx -+ -+#ifdef CONFIG_PARAVIRT -+ i = 0 -+ .rept USER_PGD_PTRS -+ mov i*8(%rbx),%rsi -+ mov $0x67,%sil -+ lea i*8(%rbx),%rdi -+ pax_indirect_call PARA_INDIRECT(pv_mmu_ops+PV_MMU_set_pgd_batched), pv_mmu_ops.set_pgd_batched -+ i = i + 1 -+ .endr -+#else -+ i = 0 -+ .rept USER_PGD_PTRS -+ movb $0x67,i*8(%rbx) -+ i = i + 1 -+ .endr -+#endif -+ -+2: -+ -+#ifdef CONFIG_PARAVIRT -+ PV_RESTORE_REGS(CLBR_RDI) -+#endif -+ -+ popq %rbx -+ popq %rdi -+ pax_ret pax_exit_kernel_user -+3: ud2 -+ENDPROC(pax_exit_kernel_user) -+#endif -+ -+ .macro pax_enter_kernel_nmi -+ pax_set_fptr_mask -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ GET_CR0_INTO_RDI -+ bts $X86_CR0_WP_BIT,%rdi -+ jc 110f -+ SET_RDI_INTO_CR0 -+ or $2,%ebx -+110: -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ALTERNATIVE "jmp 111f", "", X86_FEATURE_PCID -+ GET_CR3_INTO_RDI -+ cmp $0,%dil -+ jz 111f -+ sub $4097,%rdi -+ or $4,%ebx -+ bts $63,%rdi -+ SET_RDI_INTO_CR3 -+ mov $__UDEREF_KERNEL_DS,%edi -+ mov %edi,%ss -+111: -+#endif -+ .endm -+ -+ .macro pax_exit_kernel_nmi -+#ifdef CONFIG_PAX_KERNEXEC -+ btr $1,%ebx -+ jnc 110f -+ GET_CR0_INTO_RDI -+ btr $X86_CR0_WP_BIT,%rdi -+ SET_RDI_INTO_CR0 -+110: -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ALTERNATIVE "jmp 111f", "", X86_FEATURE_PCID -+ btr $2,%ebx -+ jnc 111f -+ GET_CR3_INTO_RDI -+ add $4097,%rdi -+ bts $63,%rdi -+ SET_RDI_INTO_CR3 -+ mov $__KERNEL_DS,%edi -+ mov %edi,%ss -+111: -+#endif -+ .endm -+ -+ .macro pax_erase_kstack -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+ pax_direct_call pax_erase_kstack -+#endif -+ .endm -+ -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+ENTRY(pax_erase_kstack) -+ pushq %rdi -+ pushq %rcx -+ pushq %rax -+ pushq %r11 -+ -+ GET_CURRENT(%r11) -+ mov TASK_lowest_stack(%r11), %rdi -+ mov $-0xBEEF, %rax -+ std -+ -+1: mov %edi, %ecx -+ and $THREAD_SIZE_asm - 1, %ecx -+ shr $3, %ecx -+ repne scasq -+ jecxz 2f -+ -+ cmp $2*8, %ecx -+ jc 2f -+ -+ mov $2*8, %ecx -+ repe scasq -+ jecxz 2f -+ jne 1b -+ -+2: cld -+ or $2*8, %rdi -+ mov %esp, %ecx -+ sub %edi, %ecx -+ -+ cmp $THREAD_SIZE_asm, %rcx -+ jb 3f -+ ud2 -+3: -+ -+ shr $3, %ecx -+ rep stosq -+ -+ mov TASK_thread_sp0(%r11), %rdi -+ sub $256, %rdi -+ mov %rdi, TASK_lowest_stack(%r11) -+ -+ popq %r11 -+ popq %rax -+ popq %rcx -+ popq %rdi -+ pax_ret pax_erase_kstack -+ENDPROC(pax_erase_kstack) -+#endif -+ - .macro TRACE_IRQS_IRETQ - #ifdef CONFIG_TRACE_IRQFLAGS - bt $9, EFLAGS(%rsp) /* interrupts off? */ -@@ -77,19 +466,19 @@ ENDPROC(native_usergs_sysret64) - #if defined(CONFIG_DYNAMIC_FTRACE) && defined(CONFIG_TRACE_IRQFLAGS) - - .macro TRACE_IRQS_OFF_DEBUG -- call debug_stack_set_zero -+ pax_direct_call debug_stack_set_zero - TRACE_IRQS_OFF -- call debug_stack_reset -+ pax_direct_call debug_stack_reset - .endm - - .macro TRACE_IRQS_ON_DEBUG -- call debug_stack_set_zero -+ pax_direct_call debug_stack_set_zero - TRACE_IRQS_ON -- call debug_stack_reset -+ pax_direct_call debug_stack_reset - .endm - - .macro TRACE_IRQS_IRETQ_DEBUG -- bt $9, EFLAGS(%rsp) /* interrupts off? */ -+ bt $X86_EFLAGS_IF_BIT, EFLAGS(%rsp) /* interrupts off? */ - jnc 1f - TRACE_IRQS_ON_DEBUG - 1: -@@ -176,6 +565,16 @@ GLOBAL(entry_SYSCALL_64_after_swapgs) - pushq %r11 /* pt_regs->r11 */ - sub $(6*8), %rsp /* pt_regs->bp, bx, r12-15 not saved */ - -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ movq %r12, R12(%rsp) -+#endif -+ -+ pax_enter_kernel_user -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ - /* - * If we need to do entry work or if we guess we'll need to do - * exit work, go straight to the slow path. -@@ -206,7 +605,7 @@ entry_SYSCALL_64_fastpath: - * It might end up jumping to the slow path. If it jumps, RAX - * and all argument registers are clobbered. - */ -- call *sys_call_table(, %rax, 8) -+ pax_indirect_call "sys_call_table(, %rax, 8)", sys_ni_syscall - .Lentry_SYSCALL_64_after_fastpath_call: - - movq %rax, RAX(%rsp) -@@ -223,6 +622,9 @@ entry_SYSCALL_64_fastpath: - testl $_TIF_ALLWORK_MASK, TASK_TI_flags(%r11) - jnz 1f - -+ pax_exit_kernel_user -+ pax_erase_kstack -+ - LOCKDEP_SYS_EXIT - TRACE_IRQS_ON /* user mode is traced as IRQs on */ - movq RIP(%rsp), %rcx -@@ -241,16 +643,19 @@ entry_SYSCALL_64_fastpath: - ENABLE_INTERRUPTS(CLBR_NONE) - SAVE_EXTRA_REGS - movq %rsp, %rdi -- call syscall_return_slowpath /* returns with IRQs disabled */ -+ pax_direct_call syscall_return_slowpath /* returns with IRQs disabled */ - jmp return_from_SYSCALL_64 - - entry_SYSCALL64_slow_path: - /* IRQs are off. */ - SAVE_EXTRA_REGS - movq %rsp, %rdi -- call do_syscall_64 /* returns with IRQs disabled */ -+ pax_direct_call do_syscall_64 /* returns with IRQs disabled */ - - return_from_SYSCALL_64: -+ pax_exit_kernel_user -+ pax_erase_kstack -+ - RESTORE_EXTRA_REGS - TRACE_IRQS_IRETQ /* we're about to change IF */ - -@@ -275,13 +680,12 @@ return_from_SYSCALL_64: - .error "virtual address width changed -- SYSRET checks need update" - .endif - -- /* Change top 16 bits to be the sign-extension of 47th bit */ -- shl $(64 - (__VIRTUAL_MASK_SHIFT+1)), %rcx -- sar $(64 - (__VIRTUAL_MASK_SHIFT+1)), %rcx -- -- /* If this changed %rcx, it was not canonical */ -- cmpq %rcx, %r11 -- jne opportunistic_sysret_failed -+ /* -+ * If the top 17 bits are not 0 then RIP isn't a userland address, -+ * it may not even be canonical, fall back to iret -+ */ -+ shr $(__VIRTUAL_MASK_SHIFT), %r11 -+ jnz opportunistic_sysret_failed - - cmpq $__USER_CS, CS(%rsp) /* CS must match SYSRET */ - jne opportunistic_sysret_failed -@@ -329,7 +733,7 @@ syscall_return_via_sysret: - opportunistic_sysret_failed: - SWAPGS - jmp restore_c_regs_and_iret --END(entry_SYSCALL_64) -+ENDPROC(entry_SYSCALL_64) - - ENTRY(stub_ptregs_64) - /* -@@ -355,13 +759,17 @@ ENTRY(stub_ptregs_64) - - 1: - jmp *%rax /* Called from C */ --END(stub_ptregs_64) -+ENDPROC(stub_ptregs_64) - - .macro ptregs_stub func --ENTRY(ptregs_\func) -+RAP_ENTRY(ptregs_\func) -+#ifdef CONFIG_PAX_RAP -+ leaq rap_\func(%rip), %rax -+#else - leaq \func(%rip), %rax -+#endif - jmp stub_ptregs_64 --END(ptregs_\func) -+ENDPROC(ptregs_\func) - .endm - - /* Instantiate ptregs_stub for each ptregs-using syscall */ -@@ -381,7 +789,9 @@ ENTRY(__switch_to_asm) - */ - pushq %rbp - pushq %rbx -+#ifndef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR - pushq %r12 -+#endif - pushq %r13 - pushq %r14 - pushq %r15 -@@ -399,38 +809,49 @@ ENTRY(__switch_to_asm) - popq %r15 - popq %r14 - popq %r13 -+#ifndef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR - popq %r12 -+#endif - popq %rbx - popq %rbp - - jmp __switch_to --END(__switch_to_asm) -+ENDPROC(__switch_to_asm) - - /* - * A newly forked process directly context switches into this address. - * - * rax: prev task we switched from - * rbx: kernel thread func (NULL for user thread) -- * r12: kernel thread arg -+ * r13: kernel thread arg - */ -+#ifdef CONFIG_PAX_RAP -+ __ALIGN -+ pax_retloc __switch_to -+ .globl ret_from_fork -+ret_from_fork: -+#else - ENTRY(ret_from_fork) -+#endif - movq %rax, %rdi -- call schedule_tail /* rdi: 'prev' task parameter */ -+ pax_direct_call schedule_tail /* rdi: 'prev' task parameter */ - - testq %rbx, %rbx /* from kernel_thread? */ - jnz 1f /* kernel threads are uncommon */ - - 2: - movq %rsp, %rdi -- call syscall_return_slowpath /* returns with IRQs disabled */ -+ pax_direct_call syscall_return_slowpath /* returns with IRQs disabled */ -+ pax_exit_kernel_user -+ pax_erase_kstack - TRACE_IRQS_ON /* user mode is traced as IRQS on */ - SWAPGS - jmp restore_regs_and_iret - - 1: - /* kernel thread */ -- movq %r12, %rdi -- call *%rbx -+ movq %r13, %rdi -+ pax_indirect_call %rbx, kthreadd - /* - * A kernel thread is allowed to return here after successfully - * calling do_execve(). Exit to userspace to complete the execve() -@@ -438,7 +859,7 @@ ENTRY(ret_from_fork) - */ - movq $0, RAX(%rsp) - jmp 2b --END(ret_from_fork) -+ENDPROC(ret_from_fork) - - /* - * Build the entry stubs with some assembler magic. -@@ -453,7 +874,7 @@ ENTRY(irq_entries_start) - jmp common_interrupt - .align 8 - .endr --END(irq_entries_start) -+ENDPROC(irq_entries_start) - - /* - * Interrupt entry/exit. -@@ -479,6 +900,12 @@ END(irq_entries_start) - */ - SWAPGS - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pax_enter_kernel_user -+#else -+ pax_enter_kernel -+#endif -+ - /* - * We need to tell lockdep that IRQs are off. We can't do this until - * we fix gsbase, and we should do it before enter_from_user_mode -@@ -491,7 +918,9 @@ END(irq_entries_start) - - CALL_enter_from_user_mode - --1: -+ jmp 2f -+1: pax_enter_kernel -+2: - /* - * Save previous stack pointer, optionally switch to interrupt stack. - * irq_count is used to check if a CPU is already on an interrupt stack -@@ -503,10 +932,11 @@ END(irq_entries_start) - incl PER_CPU_VAR(irq_count) - cmovzq PER_CPU_VAR(irq_stack_ptr), %rsp - pushq %rdi -+ - /* We entered an interrupt context - irqs are off: */ - TRACE_IRQS_OFF - -- call \func /* rdi points to pt_regs */ -+ pax_direct_call \func /* rdi points to pt_regs */ - .endm - - /* -@@ -533,7 +963,9 @@ ret_from_intr: - /* Interrupt came from user space */ - GLOBAL(retint_user) - mov %rsp,%rdi -- call prepare_exit_to_usermode -+ pax_direct_call prepare_exit_to_usermode -+ pax_exit_kernel_user -+# pax_erase_kstack - TRACE_IRQS_IRETQ - SWAPGS - jmp restore_regs_and_iret -@@ -547,10 +979,25 @@ retint_kernel: - jnc 1f - 0: cmpl $0, PER_CPU_VAR(__preempt_count) - jnz 1f -- call preempt_schedule_irq -+ pax_direct_call preempt_schedule_irq - jmp 0b - 1: - #endif -+ -+ pax_exit_kernel -+ -+#if defined(CONFIG_EFI) && defined(CONFIG_PAX_KERNEXEC_PLUGIN) -+ /* This is a quirk to allow IRQs/NMIs/MCEs during early EFI setup, -+ * namely calling EFI runtime services with a phys mapping. We're -+ * starting off with NOPs and patch in the real instrumentation -+ * (BTS/OR) before starting any userland process; even before starting -+ * up the APs. -+ */ -+ ALTERNATIVE "", "pax_force_retaddr 16*8", X86_FEATURE_ALWAYS -+#else -+ pax_force_retaddr RIP -+#endif -+ - /* - * The iretq could re-enable interrupts: - */ -@@ -614,15 +1061,15 @@ native_irq_return_ldt: - SWAPGS - movq PER_CPU_VAR(espfix_waddr), %rdi - movq %rax, (0*8)(%rdi) /* user RAX */ -- movq (1*8)(%rsp), %rax /* user RIP */ -+ movq (8 + RIP-RIP)(%rsp), %rax /* user RIP */ - movq %rax, (1*8)(%rdi) -- movq (2*8)(%rsp), %rax /* user CS */ -+ movq (8 + CS-RIP)(%rsp), %rax /* user CS */ - movq %rax, (2*8)(%rdi) -- movq (3*8)(%rsp), %rax /* user RFLAGS */ -+ movq (8 + EFLAGS-RIP)(%rsp), %rax /* user RFLAGS */ - movq %rax, (3*8)(%rdi) -- movq (5*8)(%rsp), %rax /* user SS */ -+ movq (8 + SS-RIP)(%rsp), %rax /* user SS */ - movq %rax, (5*8)(%rdi) -- movq (4*8)(%rsp), %rax /* user RSP */ -+ movq (8 + RSP-RIP)(%rsp), %rax /* user RSP */ - movq %rax, (4*8)(%rdi) - /* Now RAX == RSP. */ - -@@ -654,7 +1101,7 @@ native_irq_return_ldt: - */ - jmp native_irq_return_iret - #endif --END(common_interrupt) -+ENDPROC(common_interrupt) - - /* - * APIC interrupts. -@@ -666,7 +1113,7 @@ ENTRY(\sym) - .Lcommon_\sym: - interrupt \do_sym - jmp ret_from_intr --END(\sym) -+ENDPROC(\sym) - .endm - - #ifdef CONFIG_TRACING -@@ -742,15 +1189,19 @@ apicinterrupt IRQ_WORK_VECTOR irq_work_interrupt smp_irq_work_interrupt - /* - * Exception entry points. - */ --#define CPU_TSS_IST(x) PER_CPU_VAR(cpu_tss) + (TSS_ist + ((x) - 1) * 8) -+#define CPU_TSS_IST(x) (TSS_ist + ((x) - 1) * 8)(%r13) - --.macro idtentry sym do_sym has_error_code:req paranoid=0 shift_ist=-1 -+.macro idtentry sym do_sym has_error_code:req paranoid=0 shift_ist=-1 rap_hash=0 - ENTRY(\sym) - /* Sanity check */ - .if \shift_ist != -1 && \paranoid == 0 - .error "using shift_ist requires paranoid=1" - .endif - -+ .if \paranoid != 0 && \rap_hash==tailcall -+ .error "tail called idt entry cannot be paranoid" -+ .endif -+ - ASM_CLAC - PARAVIRT_ADJUST_EXCEPTION_FRAME - -@@ -765,9 +1216,9 @@ ENTRY(\sym) - testb $3, CS(%rsp) /* If coming from userspace, switch stacks */ - jnz 1f - .endif -- call paranoid_entry -+ pax_direct_call paranoid_entry - .else -- call error_entry -+ pax_direct_call error_entry - .endif - /* returned flag: ebx=0: need swapgs on exit, ebx=1: don't need it */ - -@@ -789,10 +1240,23 @@ ENTRY(\sym) - .endif - - .if \shift_ist != -1 -+#ifdef CONFIG_SMP -+ imul $TSS_size, PER_CPU_VAR(cpu_number), %r13d -+ leaq cpu_tss(%r13), %r13 -+#else -+ leaq cpu_tss(%rip), %r13 -+#endif - subq $EXCEPTION_STKSZ, CPU_TSS_IST(\shift_ist) - .endif - -- call \do_sym -+ .ifc \rap_hash,tailcall -+ jmp \do_sym -+ .exitm -+ .elseif \rap_hash == 0 -+ pax_direct_call \do_sym -+ .else -+ pax_indirect_call \do_sym, \rap_hash -+ .endif - - .if \shift_ist != -1 - addq $EXCEPTION_STKSZ, CPU_TSS_IST(\shift_ist) -@@ -812,11 +1276,11 @@ ENTRY(\sym) - * run in real process context if user_mode(regs). - */ - 1: -- call error_entry -+ pax_direct_call error_entry - - - movq %rsp, %rdi /* pt_regs pointer */ -- call sync_regs -+ pax_direct_call sync_regs - movq %rax, %rsp /* switch stack */ - - movq %rsp, %rdi /* pt_regs pointer */ -@@ -828,11 +1292,15 @@ ENTRY(\sym) - xorl %esi, %esi /* no error code */ - .endif - -- call \do_sym -+ .if \rap_hash == 0 -+ pax_direct_call \do_sym -+ .else -+ pax_indirect_call \do_sym, \rap_hash -+ .endif - - jmp error_exit /* %ebx: no swapgs flag */ - .endif --END(\sym) -+ENDPROC(\sym) - .endm - - #ifdef CONFIG_TRACING -@@ -860,6 +1328,14 @@ idtentry coprocessor_error do_coprocessor_error has_error_code=0 - idtentry alignment_check do_alignment_check has_error_code=1 - idtentry simd_coprocessor_error do_simd_coprocessor_error has_error_code=0 - -+#ifdef CONFIG_PAX_REFCOUNT -+idtentry refcount_error do_refcount_error has_error_code=0 -+#endif -+ -+#ifdef CONFIG_PAX_RAP -+idtentry rap_call_error do_rap_call_error has_error_code=0 -+idtentry rap_ret_error do_rap_ret_error has_error_code=0 -+#endif - - /* - * Reload gs selector with exception handling -@@ -874,8 +1350,8 @@ ENTRY(native_load_gs_index) - 2: ALTERNATIVE "", "mfence", X86_BUG_SWAPGS_FENCE - SWAPGS - popfq -- ret --END(native_load_gs_index) -+ pax_ret native_load_gs_index -+ENDPROC(native_load_gs_index) - EXPORT_SYMBOL(native_load_gs_index) - - _ASM_EXTABLE(.Lgs_change, bad_gs) -@@ -901,14 +1377,14 @@ ENTRY(do_softirq_own_stack) - incl PER_CPU_VAR(irq_count) - cmove PER_CPU_VAR(irq_stack_ptr), %rsp - push %rbp /* frame pointer backlink */ -- call __do_softirq -+ pax_direct_call __do_softirq - leaveq - decl PER_CPU_VAR(irq_count) -- ret --END(do_softirq_own_stack) -+ pax_ret do_softirq_own_stack -+ENDPROC(do_softirq_own_stack) - - #ifdef CONFIG_XEN --idtentry xen_hypervisor_callback xen_do_hypervisor_callback has_error_code=0 -+idtentry xen_hypervisor_callback xen_do_hypervisor_callback has_error_code=0 rap_hash=tailcall - - /* - * A note on the "critical region" in our callback handler. -@@ -929,19 +1405,18 @@ ENTRY(xen_do_hypervisor_callback) /* do_hypervisor_callback(struct *pt_regs) */ - * Since we don't modify %rdi, evtchn_do_upall(struct *pt_regs) will - * see the correct pointer to the pt_regs - */ -- movq %rdi, %rsp /* we don't return, adjust the stack frame */ - 11: incl PER_CPU_VAR(irq_count) - movq %rsp, %rbp - cmovzq PER_CPU_VAR(irq_stack_ptr), %rsp - pushq %rbp /* frame pointer backlink */ -- call xen_evtchn_do_upcall -+ pax_direct_call xen_evtchn_do_upcall - popq %rsp - decl PER_CPU_VAR(irq_count) - #ifndef CONFIG_PREEMPT -- call xen_maybe_preempt_hcall -+ pax_direct_call xen_maybe_preempt_hcall - #endif - jmp error_exit --END(xen_do_hypervisor_callback) -+ENDPROC(xen_do_hypervisor_callback) - - /* - * Hypervisor uses this for application faults while it executes. -@@ -986,7 +1461,7 @@ ENTRY(xen_failsafe_callback) - SAVE_C_REGS - SAVE_EXTRA_REGS - jmp error_exit --END(xen_failsafe_callback) -+ENDPROC(xen_failsafe_callback) - - apicinterrupt3 HYPERVISOR_CALLBACK_VECTOR \ - xen_hvm_callback_vector xen_evtchn_do_upcall -@@ -998,7 +1473,7 @@ apicinterrupt3 HYPERVISOR_CALLBACK_VECTOR \ - hyperv_callback_vector hyperv_vector_handler - #endif /* CONFIG_HYPERV */ - --idtentry debug do_debug has_error_code=0 paranoid=1 shift_ist=DEBUG_STACK -+idtentry int1 do_debug has_error_code=0 paranoid=1 shift_ist=DEBUG_STACK - idtentry int3 do_int3 has_error_code=0 paranoid=1 shift_ist=DEBUG_STACK - idtentry stack_segment do_stack_segment has_error_code=1 - -@@ -1016,7 +1491,7 @@ idtentry async_page_fault do_async_page_fault has_error_code=1 - #endif - - #ifdef CONFIG_X86_MCE --idtentry machine_check has_error_code=0 paranoid=1 do_sym=*machine_check_vector(%rip) -+idtentry machine_check has_error_code=0 paranoid=1 do_sym="machine_check_vector(%rip)" rap_hash=do_machine_check - #endif - - /* -@@ -1035,8 +1510,32 @@ ENTRY(paranoid_entry) - js 1f /* negative -> in kernel */ - SWAPGS - xorl %ebx, %ebx --1: ret --END(paranoid_entry) -+1: -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ testb $3, CS+8(%rsp) -+ jz 1f -+ pax_enter_kernel_user -+ jmp 2f -+#endif -+1: pax_enter_kernel -+2: -+ pax_ret paranoid_entry -+ENDPROC(paranoid_entry) -+ -+ENTRY(paranoid_entry_nmi) -+ cld -+ SAVE_C_REGS 8 -+ SAVE_EXTRA_REGS 8 -+ movl $1, %ebx -+ movl $MSR_GS_BASE, %ecx -+ rdmsr -+ testl %edx, %edx -+ js 1f /* negative -> in kernel */ -+ SWAPGS -+ xorl %ebx, %ebx -+1: pax_enter_kernel_nmi -+ pax_ret paranoid_entry_nmi -+ENDPROC(paranoid_entry_nmi) - - /* - * "Paranoid" exit path from exception stack. This is invoked -@@ -1053,19 +1552,26 @@ END(paranoid_entry) - ENTRY(paranoid_exit) - DISABLE_INTERRUPTS(CLBR_NONE) - TRACE_IRQS_OFF_DEBUG -- testl %ebx, %ebx /* swapgs needed? */ -+ testl $1, %ebx /* swapgs needed? */ - jnz paranoid_exit_no_swapgs -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pax_exit_kernel_user -+#else -+ pax_exit_kernel -+#endif - TRACE_IRQS_IRETQ - SWAPGS_UNSAFE_STACK - jmp paranoid_exit_restore - paranoid_exit_no_swapgs: -+ pax_exit_kernel - TRACE_IRQS_IRETQ_DEBUG - paranoid_exit_restore: - RESTORE_EXTRA_REGS - RESTORE_C_REGS - REMOVE_PT_GPREGS_FROM_STACK 8 -+ pax_force_retaddr_bts - INTERRUPT_RETURN --END(paranoid_exit) -+ENDPROC(paranoid_exit) - - /* - * Save all registers in pt_regs, and switch gs if needed. -@@ -1085,6 +1591,12 @@ ENTRY(error_entry) - */ - SWAPGS - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pax_enter_kernel_user -+#else -+ pax_enter_kernel -+#endif -+ - .Lerror_entry_from_usermode_after_swapgs: - /* - * We need to tell lockdep that IRQs are off. We can't do this until -@@ -1093,11 +1605,11 @@ ENTRY(error_entry) - */ - TRACE_IRQS_OFF - CALL_enter_from_user_mode -- ret -+ pax_ret error_entry - - .Lerror_entry_done: - TRACE_IRQS_OFF -- ret -+ pax_ret error_entry - - /* - * There are two places in the kernel that can potentially fault with -@@ -1114,7 +1626,7 @@ ENTRY(error_entry) - cmpq %rax, RIP+8(%rsp) - je .Lbstep_iret - cmpq $.Lgs_change, RIP+8(%rsp) -- jne .Lerror_entry_done -+ jne 1f - - /* - * hack: .Lgs_change can fail with user gsbase. If this happens, fix up -@@ -1122,7 +1634,8 @@ ENTRY(error_entry) - * .Lgs_change's error handler with kernel gsbase. - */ - SWAPGS -- jmp .Lerror_entry_done -+1: pax_enter_kernel -+ jmp .Lerror_entry_done - - .Lbstep_iret: - /* Fix truncated RIP */ -@@ -1136,17 +1649,23 @@ ENTRY(error_entry) - */ - SWAPGS - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pax_enter_kernel_user -+#else -+ pax_enter_kernel -+#endif -+ - /* - * Pretend that the exception came from user mode: set up pt_regs - * as if we faulted immediately after IRET and clear EBX so that - * error_exit knows that we will be returning to user mode. - */ - mov %rsp, %rdi -- call fixup_bad_iret -+ pax_direct_call fixup_bad_iret - mov %rax, %rsp - decl %ebx - jmp .Lerror_entry_from_usermode_after_swapgs --END(error_entry) -+ENDPROC(error_entry) - - - /* -@@ -1158,10 +1677,10 @@ ENTRY(error_exit) - movl %ebx, %eax - DISABLE_INTERRUPTS(CLBR_NONE) - TRACE_IRQS_OFF -- testl %eax, %eax -+ testl $1, %eax - jnz retint_kernel - jmp retint_user --END(error_exit) -+ENDPROC(error_exit) - - /* Runs on exception stack */ - ENTRY(nmi) -@@ -1215,6 +1734,8 @@ ENTRY(nmi) - * other IST entries. - */ - -+ ASM_CLAC -+ - /* Use %rdx as our temp variable throughout */ - pushq %rdx - -@@ -1258,6 +1779,12 @@ ENTRY(nmi) - pushq %r14 /* pt_regs->r14 */ - pushq %r15 /* pt_regs->r15 */ - -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ xorl %ebx, %ebx -+#endif -+ -+ pax_enter_kernel_nmi -+ - /* - * At this point we no longer need to worry about stack damage - * due to nesting -- we're on the normal thread stack and we're -@@ -1266,7 +1793,9 @@ ENTRY(nmi) - - movq %rsp, %rdi - movq $-1, %rsi -- call do_nmi -+ pax_direct_call do_nmi -+ -+ pax_exit_kernel_nmi - - /* - * Return back to user mode. We must *not* do the normal exit -@@ -1274,6 +1803,11 @@ ENTRY(nmi) - * do_nmi doesn't modify pt_regs. - */ - SWAPGS -+ -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ movq RBX(%rsp), %rbx -+#endif -+ - jmp restore_c_regs_and_iret - - .Lnmi_from_kernel: -@@ -1395,6 +1929,7 @@ nested_nmi_out: - popq %rdx - - /* We are returning to kernel mode, so this cannot result in a fault. */ -+# pax_force_retaddr_bts - INTERRUPT_RETURN - - first_nmi: -@@ -1423,7 +1958,7 @@ first_nmi: - pushq %rsp /* RSP (minus 8 because of the previous push) */ - addq $8, (%rsp) /* Fix up RSP */ - pushfq /* RFLAGS */ -- pushq $__KERNEL_CS /* CS */ -+ pushq 4*8(%rsp) /* CS */ - pushq $1f /* RIP */ - INTERRUPT_RETURN /* continues at repeat_nmi below */ - 1: -@@ -1468,20 +2003,22 @@ end_repeat_nmi: - ALLOC_PT_GPREGS_ON_STACK - - /* -- * Use paranoid_entry to handle SWAPGS, but no need to use paranoid_exit -+ * Use paranoid_entry_nmi to handle SWAPGS, but no need to use paranoid_exit - * as we should not be calling schedule in NMI context. - * Even with normal interrupts enabled. An NMI should not be - * setting NEED_RESCHED or anything that normal interrupts and - * exceptions might do. - */ -- call paranoid_entry -+ pax_direct_call paranoid_entry_nmi - - /* paranoidentry do_nmi, 0; without TRACE_IRQS_OFF */ - movq %rsp, %rdi - movq $-1, %rsi -- call do_nmi -+ pax_direct_call do_nmi - -- testl %ebx, %ebx /* swapgs needed? */ -+ pax_exit_kernel_nmi -+ -+ testl $1, %ebx /* swapgs needed? */ - jnz nmi_restore - nmi_swapgs: - SWAPGS_UNSAFE_STACK -@@ -1492,6 +2029,8 @@ nmi_restore: - /* Point RSP at the "iret" frame. */ - REMOVE_PT_GPREGS_FROM_STACK 6*8 - -+ pax_force_retaddr_bts -+ - /* - * Clear "NMI executing". Set DF first so that we can easily - * distinguish the remaining code between here and IRET from -@@ -1509,12 +2048,12 @@ nmi_restore: - * mode, so this cannot result in a fault. - */ - INTERRUPT_RETURN --END(nmi) -+ENDPROC(nmi) - - ENTRY(ignore_sysret) - mov $-ENOSYS, %eax - sysret --END(ignore_sysret) -+ENDPROC(ignore_sysret) - - ENTRY(rewind_stack_do_exit) - /* Prevent any naive code from trying to unwind to our caller. */ -@@ -1523,6 +2062,6 @@ ENTRY(rewind_stack_do_exit) - movq PER_CPU_VAR(cpu_current_top_of_stack), %rax - leaq -TOP_OF_KERNEL_STACK_PADDING-PTREGS_SIZE(%rax), %rsp - -- call do_exit -+ pax_direct_call do_group_exit - 1: jmp 1b --END(rewind_stack_do_exit) -+ENDPROC(rewind_stack_do_exit) -diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S -index e1721da..28b685f 100644 ---- a/arch/x86/entry/entry_64_compat.S -+++ b/arch/x86/entry/entry_64_compat.S -@@ -13,11 +13,39 @@ - #include - #include - #include -+#include - #include - #include -+#include - - .section .entry.text, "ax" - -+ .macro pax_enter_kernel_user -+ pax_set_fptr_mask -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pax_direct_call pax_enter_kernel_user -+#endif -+ .endm -+ -+ .macro pax_exit_kernel_user -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pax_direct_call pax_exit_kernel_user -+#endif -+#ifdef CONFIG_PAX_RANDKSTACK -+ pushq %rax -+ pushq %r11 -+ pax_direct_call pax_randomize_kstack -+ popq %r11 -+ popq %rax -+#endif -+ .endm -+ -+ .macro pax_erase_kstack -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+ pax_direct_call pax_erase_kstack -+#endif -+ .endm -+ - /* - * 32-bit SYSENTER entry. - * -@@ -74,23 +102,34 @@ ENTRY(entry_SYSENTER_compat) - pushq $__USER32_CS /* pt_regs->cs */ - pushq $0 /* pt_regs->ip = 0 (placeholder) */ - pushq %rax /* pt_regs->orig_ax */ -+ xorl %eax,%eax - pushq %rdi /* pt_regs->di */ - pushq %rsi /* pt_regs->si */ - pushq %rdx /* pt_regs->dx */ - pushq %rcx /* pt_regs->cx */ - pushq $-ENOSYS /* pt_regs->ax */ -- pushq $0 /* pt_regs->r8 = 0 */ -- pushq $0 /* pt_regs->r9 = 0 */ -- pushq $0 /* pt_regs->r10 = 0 */ -- pushq $0 /* pt_regs->r11 = 0 */ -+ pushq %rax /* pt_regs->r8 = 0 */ -+ pushq %rax /* pt_regs->r9 = 0 */ -+ pushq %rax /* pt_regs->r10 = 0 */ -+ pushq %rax /* pt_regs->r11 = 0 */ - pushq %rbx /* pt_regs->rbx */ - pushq %rbp /* pt_regs->rbp (will be overwritten) */ -- pushq $0 /* pt_regs->r12 = 0 */ -- pushq $0 /* pt_regs->r13 = 0 */ -- pushq $0 /* pt_regs->r14 = 0 */ -- pushq $0 /* pt_regs->r15 = 0 */ -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ pushq %r12 /* pt_regs->r12 */ -+#else -+ pushq %rax /* pt_regs->r12 = 0 */ -+#endif -+ pushq %rax /* pt_regs->r13 = 0 */ -+ pushq %rax /* pt_regs->r14 = 0 */ -+ pushq %rax /* pt_regs->r15 = 0 */ - cld - -+ pax_enter_kernel_user -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ - /* - * SYSENTER doesn't filter flags, so we need to clear NT and AC - * ourselves. To save a few cycles, we can check whether -@@ -121,7 +160,7 @@ ENTRY(entry_SYSENTER_compat) - TRACE_IRQS_OFF - - movq %rsp, %rdi -- call do_fast_syscall_32 -+ pax_direct_call do_fast_syscall_32 - /* XEN PV guests always use IRET path */ - ALTERNATIVE "testl %eax, %eax; jz .Lsyscall_32_done", \ - "jmp .Lsyscall_32_done", X86_FEATURE_XENPV -@@ -204,16 +243,27 @@ ENTRY(entry_SYSCALL_compat) - pushq %rdx /* pt_regs->dx */ - pushq %rbp /* pt_regs->cx (stashed in bp) */ - pushq $-ENOSYS /* pt_regs->ax */ -- pushq $0 /* pt_regs->r8 = 0 */ -- pushq $0 /* pt_regs->r9 = 0 */ -- pushq $0 /* pt_regs->r10 = 0 */ -- pushq $0 /* pt_regs->r11 = 0 */ -+ xorl %eax,%eax -+ pushq %rax /* pt_regs->r8 = 0 */ -+ pushq %rax /* pt_regs->r9 = 0 */ -+ pushq %rax /* pt_regs->r10 = 0 */ -+ pushq %rax /* pt_regs->r11 = 0 */ - pushq %rbx /* pt_regs->rbx */ - pushq %rbp /* pt_regs->rbp (will be overwritten) */ -- pushq $0 /* pt_regs->r12 = 0 */ -- pushq $0 /* pt_regs->r13 = 0 */ -- pushq $0 /* pt_regs->r14 = 0 */ -- pushq $0 /* pt_regs->r15 = 0 */ -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ pushq %r12 /* pt_regs->r12 */ -+#else -+ pushq %rax /* pt_regs->r12 = 0 */ -+#endif -+ pushq %rax /* pt_regs->r13 = 0 */ -+ pushq %rax /* pt_regs->r14 = 0 */ -+ pushq %rax /* pt_regs->r15 = 0 */ -+ -+ pax_enter_kernel_user -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif - - /* - * User mode is traced as though IRQs are on, and SYSENTER -@@ -222,18 +272,25 @@ ENTRY(entry_SYSCALL_compat) - TRACE_IRQS_OFF - - movq %rsp, %rdi -- call do_fast_syscall_32 -+ pax_direct_call do_fast_syscall_32 - /* XEN PV guests always use IRET path */ - ALTERNATIVE "testl %eax, %eax; jz .Lsyscall_32_done", \ - "jmp .Lsyscall_32_done", X86_FEATURE_XENPV - - /* Opportunistic SYSRET */ - sysret32_from_system_call: -+ pax_exit_kernel_user -+ pax_erase_kstack - TRACE_IRQS_ON /* User mode traces as IRQs on. */ - movq RBX(%rsp), %rbx /* pt_regs->rbx */ - movq RBP(%rsp), %rbp /* pt_regs->rbp */ - movq EFLAGS(%rsp), %r11 /* pt_regs->flags (in r11) */ - movq RIP(%rsp), %rcx /* pt_regs->ip (in rcx) */ -+ -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ movq R12(%rsp), %r12 -+#endif -+ - addq $RAX, %rsp /* Skip r8-r15 */ - popq %rax /* pt_regs->rax */ - popq %rdx /* Skip pt_regs->cx */ -@@ -262,7 +319,7 @@ sysret32_from_system_call: - movq RSP-ORIG_RAX(%rsp), %rsp - swapgs - sysretl --END(entry_SYSCALL_compat) -+ENDPROC(entry_SYSCALL_compat) - - /* - * 32-bit legacy system call entry. -@@ -314,10 +371,11 @@ ENTRY(entry_INT80_compat) - pushq %rdx /* pt_regs->dx */ - pushq %rcx /* pt_regs->cx */ - pushq $-ENOSYS /* pt_regs->ax */ -- pushq $0 /* pt_regs->r8 = 0 */ -- pushq $0 /* pt_regs->r9 = 0 */ -- pushq $0 /* pt_regs->r10 = 0 */ -- pushq $0 /* pt_regs->r11 = 0 */ -+ xorl %eax,%eax -+ pushq %rax /* pt_regs->r8 = 0 */ -+ pushq %rax /* pt_regs->r9 = 0 */ -+ pushq %rax /* pt_regs->r10 = 0 */ -+ pushq %rax /* pt_regs->r11 = 0 */ - pushq %rbx /* pt_regs->rbx */ - pushq %rbp /* pt_regs->rbp */ - pushq %r12 /* pt_regs->r12 */ -@@ -326,6 +384,12 @@ ENTRY(entry_INT80_compat) - pushq %r15 /* pt_regs->r15 */ - cld - -+ pax_enter_kernel_user -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ - /* - * User mode is traced as though IRQs are on, and the interrupt - * gate turned them off. -@@ -333,17 +397,23 @@ ENTRY(entry_INT80_compat) - TRACE_IRQS_OFF - - movq %rsp, %rdi -- call do_int80_syscall_32 -+ pax_direct_call do_int80_syscall_32 - .Lsyscall_32_done: - - /* Go back to user mode. */ -+ pax_exit_kernel_user -+ pax_erase_kstack - TRACE_IRQS_ON - SWAPGS - jmp restore_regs_and_iret --END(entry_INT80_compat) -+ENDPROC(entry_INT80_compat) - - ALIGN -+#ifdef CONFIG_PAX_RAP -+RAP_ENTRY(rap_stub32_clone) -+#else - GLOBAL(stub32_clone) -+#endif - /* - * The 32-bit clone ABI is: clone(..., int tls_val, int *child_tidptr). - * The 64-bit clone ABI is: clone(..., int *child_tidptr, int tls_val). -@@ -352,4 +422,8 @@ GLOBAL(stub32_clone) - * so we need to swap arguments here before calling it: - */ - xchg %r8, %rcx -+#ifdef CONFIG_PAX_RAP -+ jmp rap_sys_clone -+#else - jmp sys_clone -+#endif -diff --git a/arch/x86/entry/syscall_32.c b/arch/x86/entry/syscall_32.c -index 8f895ee..5cc22ed 100644 ---- a/arch/x86/entry/syscall_32.c -+++ b/arch/x86/entry/syscall_32.c -@@ -6,11 +6,19 @@ - #include - #include - -+#ifdef CONFIG_PAX_RAP -+#define __SYSCALL_I386(nr, sym, qual) extern asmlinkage long rap_##sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long) ; -+#else - #define __SYSCALL_I386(nr, sym, qual) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long) ; -+#endif - #include - #undef __SYSCALL_I386 - -+#ifdef CONFIG_PAX_RAP -+#define __SYSCALL_I386(nr, sym, qual) [nr] = rap_##sym, -+#else - #define __SYSCALL_I386(nr, sym, qual) [nr] = sym, -+#endif - - extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long); - -diff --git a/arch/x86/entry/syscall_64.c b/arch/x86/entry/syscall_64.c -index 9dbc5ab..b2d64fb 100644 ---- a/arch/x86/entry/syscall_64.c -+++ b/arch/x86/entry/syscall_64.c -@@ -6,7 +6,11 @@ - #include - #include - -+#ifdef CONFIG_PAX_RAP -+#define __SYSCALL_64_QUAL_(sym) rap_##sym -+#else - #define __SYSCALL_64_QUAL_(sym) sym -+#endif - #define __SYSCALL_64_QUAL_ptregs(sym) ptregs_##sym - - #define __SYSCALL_64(nr, sym, qual) extern asmlinkage long __SYSCALL_64_QUAL_##qual(sym)(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long); -diff --git a/arch/x86/entry/thunk_32.S b/arch/x86/entry/thunk_32.S -index fee6bc7..02a69fb 100644 ---- a/arch/x86/entry/thunk_32.S -+++ b/arch/x86/entry/thunk_32.S -@@ -5,7 +5,7 @@ - * Subject to the GNU public license, v.2. No warranty of any kind. - */ - #include -- #include -+ #include - #include - - /* put return address in eax (arg1) */ -@@ -21,11 +21,11 @@ - movl 3*4(%esp), %eax - .endif - -- call \func -+ pax_direct_call \func - popl %edx - popl %ecx - popl %eax -- ret -+ pax_ret \name - _ASM_NOKPROBE(\name) - .endm - -diff --git a/arch/x86/entry/thunk_64.S b/arch/x86/entry/thunk_64.S -index be36bf4..a22f673 100644 ---- a/arch/x86/entry/thunk_64.S -+++ b/arch/x86/entry/thunk_64.S -@@ -9,6 +9,7 @@ - #include "calling.h" - #include - #include -+#include - - /* rdi: arg1 ... normal C conventions. rax is saved/restored. */ - .macro THUNK name, func, put_ret_addr_in_rdi=0 -@@ -33,8 +34,19 @@ - movq 8(%rbp), %rdi - .endif - -- call \func -- jmp .L_restore -+ pax_direct_call \func -+ -+ popq %r11 -+ popq %r10 -+ popq %r9 -+ popq %r8 -+ popq %rax -+ popq %rcx -+ popq %rdx -+ popq %rsi -+ popq %rdi -+ popq %rbp -+ pax_ret \name - _ASM_NOKPROBE(\name) - .endm - -@@ -53,21 +65,3 @@ - EXPORT_SYMBOL(___preempt_schedule) - EXPORT_SYMBOL(___preempt_schedule_notrace) - #endif -- --#if defined(CONFIG_TRACE_IRQFLAGS) \ -- || defined(CONFIG_DEBUG_LOCK_ALLOC) \ -- || defined(CONFIG_PREEMPT) --.L_restore: -- popq %r11 -- popq %r10 -- popq %r9 -- popq %r8 -- popq %rax -- popq %rcx -- popq %rdx -- popq %rsi -- popq %rdi -- popq %rbp -- ret -- _ASM_NOKPROBE(.L_restore) --#endif -diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile -index d540966..3ea2a6a 100644 ---- a/arch/x86/entry/vdso/Makefile -+++ b/arch/x86/entry/vdso/Makefile -@@ -17,6 +17,9 @@ VDSO32-$(CONFIG_IA32_EMULATION) := y - - # files to link into the vdso - vobjs-y := vdso-note.o vclock_gettime.o vgetcpu.o -+GCC_PLUGINS_vdso-note.o := n -+GCC_PLUGINS_vclock_gettime.o := n -+GCC_PLUGINS_vgetcpu.o := n - - # files to link into kernel - obj-y += vma.o -@@ -75,7 +78,7 @@ CFL := $(PROFILING) -mcmodel=small -fPIC -O2 -fasynchronous-unwind-tables -m64 \ - -fno-omit-frame-pointer -foptimize-sibling-calls \ - -DDISABLE_BRANCH_PROFILING -DBUILD_VDSO - --$(vobjs): KBUILD_CFLAGS := $(filter-out $(GCC_PLUGINS_CFLAGS),$(KBUILD_CFLAGS)) $(CFL) -+$(vobjs): KBUILD_CFLAGS := $(KBUILD_CFLAGS) $(CFL) - - # - # vDSO code runs in userspace and -pg doesn't help with profiling anyway. -@@ -145,7 +148,6 @@ KBUILD_CFLAGS_32 := $(filter-out -m64,$(KBUILD_CFLAGS)) - KBUILD_CFLAGS_32 := $(filter-out -mcmodel=kernel,$(KBUILD_CFLAGS_32)) - KBUILD_CFLAGS_32 := $(filter-out -fno-pic,$(KBUILD_CFLAGS_32)) - KBUILD_CFLAGS_32 := $(filter-out -mfentry,$(KBUILD_CFLAGS_32)) --KBUILD_CFLAGS_32 := $(filter-out $(GCC_PLUGINS_CFLAGS),$(KBUILD_CFLAGS_32)) - KBUILD_CFLAGS_32 += -m32 -msoft-float -mregparm=0 -fpic - KBUILD_CFLAGS_32 += $(call cc-option, -fno-stack-protector) - KBUILD_CFLAGS_32 += $(call cc-option, -foptimize-sibling-calls) -@@ -170,7 +172,7 @@ quiet_cmd_vdso = VDSO $@ - -Wl,-T,$(filter %.lds,$^) $(filter %.o,$^) && \ - sh $(srctree)/$(src)/checkundef.sh '$(NM)' '$@' - --VDSO_LDFLAGS = -fPIC -shared $(call cc-ldoption, -Wl$(comma)--hash-style=both) \ -+VDSO_LDFLAGS = -fPIC -shared -Wl,--no-undefined $(call cc-ldoption, -Wl$(comma)--hash-style=both) \ - $(call cc-ldoption, -Wl$(comma)--build-id) -Wl,-Bsymbolic $(LTO_CFLAGS) - GCOV_PROFILE := n - -diff --git a/arch/x86/entry/vdso/vclock_gettime.c b/arch/x86/entry/vdso/vclock_gettime.c -index 02223cb..84f10fc 100644 ---- a/arch/x86/entry/vdso/vclock_gettime.c -+++ b/arch/x86/entry/vdso/vclock_gettime.c -@@ -300,5 +300,5 @@ notrace time_t __vdso_time(time_t *t) - *t = result; - return result; - } --int time(time_t *t) -+time_t time(time_t *t) - __attribute__((weak, alias("__vdso_time"))); -diff --git a/arch/x86/entry/vdso/vdso2c.h b/arch/x86/entry/vdso/vdso2c.h -index 3dab75f..2c439d0 100644 ---- a/arch/x86/entry/vdso/vdso2c.h -+++ b/arch/x86/entry/vdso/vdso2c.h -@@ -12,7 +12,7 @@ static void BITSFUNC(go)(void *raw_addr, size_t raw_len, - unsigned long load_size = -1; /* Work around bogus warning */ - unsigned long mapping_size; - ELF(Ehdr) *hdr = (ELF(Ehdr) *)raw_addr; -- int i; -+ unsigned int i; - unsigned long j; - ELF(Shdr) *symtab_hdr = NULL, *strtab_hdr, *secstrings_hdr, - *alt_sec = NULL; -@@ -89,7 +89,7 @@ static void BITSFUNC(go)(void *raw_addr, size_t raw_len, - for (i = 0; - i < GET_LE(&symtab_hdr->sh_size) / GET_LE(&symtab_hdr->sh_entsize); - i++) { -- int k; -+ unsigned int k; - ELF(Sym) *sym = raw_addr + GET_LE(&symtab_hdr->sh_offset) + - GET_LE(&symtab_hdr->sh_entsize) * i; - const char *name = raw_addr + GET_LE(&strtab_hdr->sh_offset) + -diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c -index 23c881c..e4808fc 100644 ---- a/arch/x86/entry/vdso/vma.c -+++ b/arch/x86/entry/vdso/vma.c -@@ -21,10 +21,7 @@ - #include - #include - #include -- --#if defined(CONFIG_X86_64) --unsigned int __read_mostly vdso64_enabled = 1; --#endif -+#include - - void __init init_vdso_image(const struct vdso_image *image) - { -@@ -42,7 +39,7 @@ static int vdso_fault(const struct vm_special_mapping *sm, - { - const struct vdso_image *image = vma->vm_mm->context.vdso_image; - -- if (!image || (vmf->pgoff << PAGE_SHIFT) >= image->size) -+ if (!image || vmf->pgoff >= (image->size >> PAGE_SHIFT)) - return VM_FAULT_SIGBUS; - - vmf->page = virt_to_page(image->data + (vmf->pgoff << PAGE_SHIFT)); -@@ -80,7 +77,7 @@ static int vdso_mremap(const struct vm_special_mapping *sm, - return -EFAULT; - - vdso_fix_landing(image, new_vma); -- current->mm->context.vdso = (void __user *)new_vma->vm_start; -+ current->mm->context.vdso = new_vma->vm_start; - - return 0; - } -@@ -154,15 +151,15 @@ static int map_vdso(const struct vdso_image *image, unsigned long addr) - return -EINTR; - - addr = get_unmapped_area(NULL, addr, -- image->size - image->sym_vvar_start, 0, 0); -+ image->size - image->sym_vvar_start, 0, MAP_EXECUTABLE); - if (IS_ERR_VALUE(addr)) { - ret = addr; - goto up_fail; - } - - text_start = addr - image->sym_vvar_start; -- current->mm->context.vdso = (void __user *)text_start; -- current->mm->context.vdso_image = image; -+ mm->context.vdso = text_start; -+ mm->context.vdso_image = image; - - /* - * MAYWRITE to allow gdb to COW and set breakpoints -@@ -193,8 +190,8 @@ static int map_vdso(const struct vdso_image *image, unsigned long addr) - - up_fail: - if (ret) { -- current->mm->context.vdso = NULL; -- current->mm->context.vdso_image = NULL; -+ mm->context.vdso = 0; -+ mm->context.vdso_image = NULL; - } - - up_write(&mm->mmap_sem); -@@ -248,7 +245,14 @@ static unsigned long vdso_addr(unsigned long start, unsigned len) - - static int map_vdso_randomized(const struct vdso_image *image) - { -- unsigned long addr = vdso_addr(current->mm->start_stack, image->size-image->sym_vvar_start); -+ unsigned long addr; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (current->mm->pax_flags & MF_PAX_RANDMMAP) -+ addr = 0; -+ else -+#endif -+ addr = vdso_addr(current->mm->start_stack, image->size-image->sym_vvar_start); - - return map_vdso(image, addr); - } -@@ -292,8 +296,6 @@ static int load_vdso32(void) - #ifdef CONFIG_X86_64 - int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) - { -- if (!vdso64_enabled) -- return 0; - - return map_vdso_randomized(&vdso_image_64); - } -@@ -303,11 +305,8 @@ int compat_arch_setup_additional_pages(struct linux_binprm *bprm, - int uses_interp) - { - #ifdef CONFIG_X86_X32_ABI -- if (test_thread_flag(TIF_X32)) { -- if (!vdso64_enabled) -- return 0; -+ if (test_thread_flag(TIF_X32)) - return map_vdso_randomized(&vdso_image_x32); -- } - #endif - #ifdef CONFIG_IA32_EMULATION - return load_vdso32(); -@@ -324,15 +323,6 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) - #endif - - #ifdef CONFIG_X86_64 --static __init int vdso_setup(char *s) --{ -- vdso64_enabled = simple_strtoul(s, NULL, 0); -- return 0; --} --__setup("vdso=", vdso_setup); --#endif -- --#ifdef CONFIG_X86_64 - static void vgetcpu_cpu_init(void *arg) - { - int cpu = smp_processor_id(); -diff --git a/arch/x86/entry/vsyscall/vsyscall_64.c b/arch/x86/entry/vsyscall/vsyscall_64.c -index 636c4b3..666991b 100644 ---- a/arch/x86/entry/vsyscall/vsyscall_64.c -+++ b/arch/x86/entry/vsyscall/vsyscall_64.c -@@ -38,10 +38,8 @@ - #define CREATE_TRACE_POINTS - #include "vsyscall_trace.h" - --static enum { EMULATE, NATIVE, NONE } vsyscall_mode = --#if defined(CONFIG_LEGACY_VSYSCALL_NATIVE) -- NATIVE; --#elif defined(CONFIG_LEGACY_VSYSCALL_NONE) -+static enum { EMULATE, NONE } vsyscall_mode = -+#if defined(CONFIG_LEGACY_VSYSCALL_NONE) - NONE; - #else - EMULATE; -@@ -52,8 +50,6 @@ static int __init vsyscall_setup(char *str) - if (str) { - if (!strcmp("emulate", str)) - vsyscall_mode = EMULATE; -- else if (!strcmp("native", str)) -- vsyscall_mode = NATIVE; - else if (!strcmp("none", str)) - vsyscall_mode = NONE; - else -@@ -271,8 +267,7 @@ bool emulate_vsyscall(struct pt_regs *regs, unsigned long address) - return true; - - sigsegv: -- force_sig(SIGSEGV, current); -- return true; -+ do_group_exit(SIGKILL); - } - - /* -@@ -290,8 +285,8 @@ static const struct vm_operations_struct gate_vma_ops = { - static struct vm_area_struct gate_vma = { - .vm_start = VSYSCALL_ADDR, - .vm_end = VSYSCALL_ADDR + PAGE_SIZE, -- .vm_page_prot = PAGE_READONLY_EXEC, -- .vm_flags = VM_READ | VM_EXEC, -+ .vm_page_prot = PAGE_READONLY, -+ .vm_flags = VM_READ, - .vm_ops = &gate_vma_ops, - }; - -@@ -332,10 +327,7 @@ void __init map_vsyscall(void) - unsigned long physaddr_vsyscall = __pa_symbol(&__vsyscall_page); - - if (vsyscall_mode != NONE) -- __set_fixmap(VSYSCALL_PAGE, physaddr_vsyscall, -- vsyscall_mode == NATIVE -- ? PAGE_KERNEL_VSYSCALL -- : PAGE_KERNEL_VVAR); -+ __set_fixmap(VSYSCALL_PAGE, physaddr_vsyscall, PAGE_KERNEL_VVAR); - - BUILD_BUG_ON((unsigned long)__fix_to_virt(VSYSCALL_PAGE) != - (unsigned long)VSYSCALL_ADDR); -diff --git a/arch/x86/entry/vsyscall/vsyscall_emu_64.S b/arch/x86/entry/vsyscall/vsyscall_emu_64.S -index c9596a9..e1f6d5d 100644 ---- a/arch/x86/entry/vsyscall/vsyscall_emu_64.S -+++ b/arch/x86/entry/vsyscall/vsyscall_emu_64.S -@@ -7,12 +7,13 @@ - */ - - #include -+#include - - #include - #include - #include - --__PAGE_ALIGNED_DATA -+ __READ_ONLY - .globl __vsyscall_page - .balign PAGE_SIZE, 0xcc - .type __vsyscall_page, @object -diff --git a/arch/x86/events/amd/iommu.c b/arch/x86/events/amd/iommu.c -index b28200d..e93e14d 100644 ---- a/arch/x86/events/amd/iommu.c -+++ b/arch/x86/events/amd/iommu.c -@@ -80,12 +80,12 @@ static struct attribute_group amd_iommu_format_group = { - * sysfs events attributes - *---------------------------------------------*/ - struct amd_iommu_event_desc { -- struct kobj_attribute attr; -+ struct device_attribute attr; - const char *event; - }; - --static ssize_t _iommu_event_show(struct kobject *kobj, -- struct kobj_attribute *attr, char *buf) -+static ssize_t _iommu_event_show(struct device *dev, -+ struct device_attribute *attr, char *buf) - { - struct amd_iommu_event_desc *event = - container_of(attr, struct amd_iommu_event_desc, attr); -@@ -407,7 +407,7 @@ static void perf_iommu_del(struct perf_event *event, int flags) - static __init int _init_events_attrs(struct perf_amd_iommu *perf_iommu) - { - struct attribute **attrs; -- struct attribute_group *attr_group; -+ attribute_group_no_const *attr_group; - int i = 0, j; - - while (amd_iommu_v2_event_descs[i].attr.attr.name) -diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c -index 38623e2..7eae820 100644 ---- a/arch/x86/events/core.c -+++ b/arch/x86/events/core.c -@@ -1570,7 +1570,7 @@ static void __init pmu_check_apic(void) - - } - --static struct attribute_group x86_pmu_format_group = { -+static attribute_group_no_const x86_pmu_format_group = { - .name = "format", - .attrs = NULL, - }; -@@ -1701,7 +1701,7 @@ static struct attribute *events_attr[] = { - NULL, - }; - --static struct attribute_group x86_pmu_events_group = { -+static attribute_group_no_const x86_pmu_events_group = { - .name = "events", - .attrs = events_attr, - }; -@@ -2325,7 +2325,7 @@ static unsigned long get_segment_base(unsigned int segment) - if (idx > GDT_ENTRIES) - return 0; - -- desc = raw_cpu_ptr(gdt_page.gdt) + idx; -+ desc = get_cpu_gdt_table(smp_processor_id()) + idx; - } - - return get_desc_base(desc); -@@ -2425,7 +2425,7 @@ perf_callchain_user(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs - break; - - perf_callchain_store(entry, frame.return_address); -- fp = (void __user *)frame.next_frame; -+ fp = (void __force_user *)frame.next_frame; - } - pagefault_enable(); - } -diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c -index cb85222..bebbc92 100644 ---- a/arch/x86/events/intel/core.c -+++ b/arch/x86/events/intel/core.c -@@ -2411,6 +2411,8 @@ __intel_get_event_constraints(struct cpu_hw_events *cpuc, int idx, - } - - static void -+intel_start_scheduling(struct cpu_hw_events *cpuc) __acquires(&cpuc->excl_cntrs->lock); -+static void - intel_start_scheduling(struct cpu_hw_events *cpuc) - { - struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs; -@@ -2420,14 +2422,18 @@ intel_start_scheduling(struct cpu_hw_events *cpuc) - /* - * nothing needed if in group validation mode - */ -- if (cpuc->is_fake || !is_ht_workaround_enabled()) -+ if (cpuc->is_fake || !is_ht_workaround_enabled()) { -+ __acquire(&excl_cntrs->lock); - return; -+ } - - /* - * no exclusion needed - */ -- if (WARN_ON_ONCE(!excl_cntrs)) -+ if (WARN_ON_ONCE(!excl_cntrs)) { -+ __acquire(&excl_cntrs->lock); - return; -+ } - - xl = &excl_cntrs->states[tid]; - -@@ -2467,6 +2473,8 @@ static void intel_commit_scheduling(struct cpu_hw_events *cpuc, int idx, int cnt - } - - static void -+intel_stop_scheduling(struct cpu_hw_events *cpuc) __releases(&cpuc->excl_cntrs->lock); -+static void - intel_stop_scheduling(struct cpu_hw_events *cpuc) - { - struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs; -@@ -2476,13 +2484,18 @@ intel_stop_scheduling(struct cpu_hw_events *cpuc) - /* - * nothing needed if in group validation mode - */ -- if (cpuc->is_fake || !is_ht_workaround_enabled()) -+ if (cpuc->is_fake || !is_ht_workaround_enabled()) { -+ __release(&excl_cntrs->lock); - return; -+ } -+ - /* - * no exclusion needed - */ -- if (WARN_ON_ONCE(!excl_cntrs)) -+ if (WARN_ON_ONCE(!excl_cntrs)) { -+ __release(&excl_cntrs->lock); - return; -+ } - - xl = &excl_cntrs->states[tid]; - -@@ -2665,19 +2678,22 @@ static void intel_put_excl_constraints(struct cpu_hw_events *cpuc, - * unused now. - */ - if (hwc->idx >= 0) { -+ bool sched_started; -+ - xl = &excl_cntrs->states[tid]; -+ sched_started = xl->sched_started; - - /* - * put_constraint may be called from x86_schedule_events() - * which already has the lock held so here make locking - * conditional. - */ -- if (!xl->sched_started) -+ if (!sched_started) - raw_spin_lock(&excl_cntrs->lock); - - xl->state[hwc->idx] = INTEL_EXCL_UNUSED; - -- if (!xl->sched_started) -+ if (!sched_started) - raw_spin_unlock(&excl_cntrs->lock); - } - } -@@ -3617,10 +3633,10 @@ __init int intel_pmu_init(void) - } - - if (boot_cpu_has(X86_FEATURE_PDCM)) { -- u64 capabilities; -+ u64 capabilities = x86_pmu.intel_cap.capabilities; - -- rdmsrl(MSR_IA32_PERF_CAPABILITIES, capabilities); -- x86_pmu.intel_cap.capabilities = capabilities; -+ if (rdmsrl_safe(MSR_IA32_PERF_CAPABILITIES, &x86_pmu.intel_cap.capabilities)) -+ x86_pmu.intel_cap.capabilities = capabilities; - } - - intel_ds_init(); -diff --git a/arch/x86/events/intel/cqm.c b/arch/x86/events/intel/cqm.c -index 8f82b02..b10c4b0 100644 ---- a/arch/x86/events/intel/cqm.c -+++ b/arch/x86/events/intel/cqm.c -@@ -1488,7 +1488,7 @@ static struct attribute *intel_cmt_mbm_events_attr[] = { - NULL, - }; - --static struct attribute_group intel_cqm_events_group = { -+static attribute_group_no_const intel_cqm_events_group __read_only = { - .name = "events", - .attrs = NULL, - }; -@@ -1732,7 +1732,9 @@ static int __init intel_cqm_init(void) - goto out; - } - -- event_attr_intel_cqm_llc_scale.event_str = str; -+ pax_open_kernel(); -+ const_cast(event_attr_intel_cqm_llc_scale.event_str) = str; -+ pax_close_kernel(); - - ret = intel_cqm_setup_rmid_cache(); - if (ret) -@@ -1743,12 +1745,14 @@ static int __init intel_cqm_init(void) - if (ret && !cqm_enabled) - goto out; - -+ pax_open_kernel(); - if (cqm_enabled && mbm_enabled) -- intel_cqm_events_group.attrs = intel_cmt_mbm_events_attr; -+ const_cast(intel_cqm_events_group.attrs) = intel_cmt_mbm_events_attr; - else if (!cqm_enabled && mbm_enabled) -- intel_cqm_events_group.attrs = intel_mbm_events_attr; -+ const_cast(intel_cqm_events_group.attrs) = intel_mbm_events_attr; - else if (cqm_enabled && !mbm_enabled) -- intel_cqm_events_group.attrs = intel_cqm_events_attr; -+ const_cast(intel_cqm_events_group.attrs) = intel_cqm_events_attr; -+ pax_close_kernel(); - - ret = perf_pmu_register(&intel_cqm_pmu, "intel_cqm", -1); - if (ret) { -diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c -index fec8a46..0cc43ca 100644 ---- a/arch/x86/events/intel/cstate.c -+++ b/arch/x86/events/intel/cstate.c -@@ -97,14 +97,14 @@ - MODULE_LICENSE("GPL"); - - #define DEFINE_CSTATE_FORMAT_ATTR(_var, _name, _format) \ --static ssize_t __cstate_##_var##_show(struct kobject *kobj, \ -- struct kobj_attribute *attr, \ -+static ssize_t __cstate_##_var##_show(struct device *dev, \ -+ struct device_attribute *attr, \ - char *page) \ - { \ - BUILD_BUG_ON(sizeof(_format) >= PAGE_SIZE); \ - return sprintf(page, _format "\n"); \ - } \ --static struct kobj_attribute format_attr_##_var = \ -+static struct device_attribute format_attr_##_var = \ - __ATTR(_name, 0444, __cstate_##_var##_show, NULL) - - static ssize_t cstate_get_attr_cpumask(struct device *dev, -diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c -index be20239..99d75dd 100644 ---- a/arch/x86/events/intel/ds.c -+++ b/arch/x86/events/intel/ds.c -@@ -601,7 +601,7 @@ int intel_pmu_drain_bts_buffer(void) - - static inline void intel_pmu_drain_pebs_buffer(void) - { -- struct pt_regs regs; -+ struct pt_regs regs = {}; - - x86_pmu.drain_pebs(®s); - } -@@ -947,7 +947,7 @@ static int intel_pmu_pebs_fixup_ip(struct pt_regs *regs) - struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); - unsigned long from = cpuc->lbr_entries[0].from; - unsigned long old_to, to = cpuc->lbr_entries[0].to; -- unsigned long ip = regs->ip; -+ unsigned long ip = ktva_ktla(regs->ip); - int is_64bit = 0; - void *kaddr; - int size; -@@ -999,6 +999,7 @@ static int intel_pmu_pebs_fixup_ip(struct pt_regs *regs) - } else { - kaddr = (void *)to; - } -+ kaddr = (void *)ktva_ktla((unsigned long)kaddr); - - do { - struct insn insn; -@@ -1158,7 +1159,7 @@ static void setup_pebs_sample_data(struct perf_event *event, - } - - if (event->attr.precise_ip > 1 && x86_pmu.intel_cap.pebs_format >= 2) { -- regs->ip = pebs->real_ip; -+ set_linear_ip(regs, pebs->real_ip); - regs->flags |= PERF_EFLAGS_EXACT; - } else if (event->attr.precise_ip > 1 && intel_pmu_pebs_fixup_ip(regs)) - regs->flags |= PERF_EFLAGS_EXACT; -diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c -index 81b321a..ef54593 100644 ---- a/arch/x86/events/intel/lbr.c -+++ b/arch/x86/events/intel/lbr.c -@@ -805,7 +805,7 @@ static int branch_type(unsigned long from, unsigned long to, int abort) - * Ensure we don't blindy read any address by validating it is - * a known text address. - */ -- if (kernel_text_address(from)) { -+ if (kernel_text_address(ktva_ktla(from))) { - addr = (void *)from; - /* - * Assume we can get the maximum possible size -@@ -827,7 +827,7 @@ static int branch_type(unsigned long from, unsigned long to, int abort) - #ifdef CONFIG_X86_64 - is64 = kernel_ip((unsigned long)addr) || !test_thread_flag(TIF_IA32); - #endif -- insn_init(&insn, addr, bytes_read, is64); -+ insn_init(&insn, (void *)ktva_ktla((unsigned long)addr), bytes_read, is64); - insn_get_opcode(&insn); - if (!insn.opcode.got) - return X86_BR_ABORT; -diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c -index c5047b8..7297def 100644 ---- a/arch/x86/events/intel/pt.c -+++ b/arch/x86/events/intel/pt.c -@@ -174,11 +174,9 @@ static const struct attribute_group *pt_attr_groups[] = { - - static int __init pt_pmu_hw_init(void) - { -- struct dev_ext_attribute *de_attrs; -- struct attribute **attrs; -- size_t size; -+ static struct dev_ext_attribute de_attrs[ARRAY_SIZE(pt_caps)]; -+ static struct attribute *attrs[ARRAY_SIZE(pt_caps)]; - u64 reg; -- int ret; - long i; - - rdmsrl(MSR_PLATFORM_INFO, reg); -@@ -209,8 +207,6 @@ static int __init pt_pmu_hw_init(void) - pt_pmu.vmx = true; - } - -- attrs = NULL; -- - for (i = 0; i < PT_CPUID_LEAVES; i++) { - cpuid_count(20, i, - &pt_pmu.caps[CR_EAX + i*PT_CPUID_REGS_NUM], -@@ -219,39 +215,25 @@ static int __init pt_pmu_hw_init(void) - &pt_pmu.caps[CR_EDX + i*PT_CPUID_REGS_NUM]); - } - -- ret = -ENOMEM; -- size = sizeof(struct attribute *) * (ARRAY_SIZE(pt_caps)+1); -- attrs = kzalloc(size, GFP_KERNEL); -- if (!attrs) -- goto fail; -- -- size = sizeof(struct dev_ext_attribute) * (ARRAY_SIZE(pt_caps)+1); -- de_attrs = kzalloc(size, GFP_KERNEL); -- if (!de_attrs) -- goto fail; -- -+ pax_open_kernel(); - for (i = 0; i < ARRAY_SIZE(pt_caps); i++) { -- struct dev_ext_attribute *de_attr = de_attrs + i; -+ struct dev_ext_attribute *de_attr = &de_attrs[i]; - -- de_attr->attr.attr.name = pt_caps[i].name; -+ const_cast(de_attr->attr.attr.name) = pt_caps[i].name; - - sysfs_attr_init(&de_attr->attr.attr); - -- de_attr->attr.attr.mode = S_IRUGO; -- de_attr->attr.show = pt_cap_show; -- de_attr->var = (void *)i; -+ const_cast(de_attr->attr.attr.mode) = S_IRUGO; -+ const_cast(de_attr->attr.show) = pt_cap_show; -+ const_cast(de_attr->var) = (void *)i; - - attrs[i] = &de_attr->attr.attr; - } - -- pt_cap_group.attrs = attrs; -+ const_cast(pt_cap_group.attrs) = attrs; -+ pax_close_kernel(); - - return 0; -- --fail: -- kfree(attrs); -- -- return ret; - } - - #define RTIT_CTL_CYC_PSB (RTIT_CTL_CYCLEACC | \ -diff --git a/arch/x86/events/intel/rapl.c b/arch/x86/events/intel/rapl.c -index 0a535ce..b8d9b16 100644 ---- a/arch/x86/events/intel/rapl.c -+++ b/arch/x86/events/intel/rapl.c -@@ -117,14 +117,14 @@ static const char *const rapl_domain_names[NR_RAPL_DOMAINS] __initconst = { - #define RAPL_EVENT_MASK 0xFFULL - - #define DEFINE_RAPL_FORMAT_ATTR(_var, _name, _format) \ --static ssize_t __rapl_##_var##_show(struct kobject *kobj, \ -- struct kobj_attribute *attr, \ -+static ssize_t __rapl_##_var##_show(struct device *dev, \ -+ struct device_attribute *attr, \ - char *page) \ - { \ - BUILD_BUG_ON(sizeof(_format) >= PAGE_SIZE); \ - return sprintf(page, _format "\n"); \ - } \ --static struct kobj_attribute format_attr_##_var = \ -+static struct device_attribute format_attr_##_var = \ - __ATTR(_name, 0444, __rapl_##_var##_show, NULL) - - #define RAPL_CNTR_WIDTH 32 -@@ -535,7 +535,7 @@ static struct attribute *rapl_events_knl_attr[] = { - NULL, - }; - --static struct attribute_group rapl_pmu_events_group = { -+static attribute_group_no_const rapl_pmu_events_group __read_only = { - .name = "events", - .attrs = NULL, /* patched at runtime */ - }; -diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c -index 19d646a..e20a9b2 100644 ---- a/arch/x86/events/intel/uncore.c -+++ b/arch/x86/events/intel/uncore.c -@@ -90,8 +90,8 @@ struct pci2phy_map *__find_pci2phy_map(int segment) - return map; - } - --ssize_t uncore_event_show(struct kobject *kobj, -- struct kobj_attribute *attr, char *buf) -+ssize_t uncore_event_show(struct device *dev, -+ struct device_attribute *attr, char *buf) - { - struct uncore_event_desc *event = - container_of(attr, struct uncore_event_desc, attr); -@@ -798,7 +798,7 @@ static void uncore_types_exit(struct intel_uncore_type **types) - static int __init uncore_type_init(struct intel_uncore_type *type, bool setid) - { - struct intel_uncore_pmu *pmus; -- struct attribute_group *attr_group; -+ attribute_group_no_const *attr_group; - struct attribute **attrs; - size_t size; - int i, j; -diff --git a/arch/x86/events/intel/uncore.h b/arch/x86/events/intel/uncore.h -index ad986c1..9bb7016 100644 ---- a/arch/x86/events/intel/uncore.h -+++ b/arch/x86/events/intel/uncore.h -@@ -124,9 +124,9 @@ struct intel_uncore_box { - #define UNCORE_BOX_FLAG_CTL_OFFS8 1 /* event config registers are 8-byte apart */ - - struct uncore_event_desc { -- struct kobj_attribute attr; -+ struct device_attribute attr; - const char *config; --}; -+} __do_const; - - struct pci2phy_map { - struct list_head list; -@@ -136,8 +136,8 @@ struct pci2phy_map { - - struct pci2phy_map *__find_pci2phy_map(int segment); - --ssize_t uncore_event_show(struct kobject *kobj, -- struct kobj_attribute *attr, char *buf); -+ssize_t uncore_event_show(struct device *dev, -+ struct device_attribute *attr, char *buf); - - #define INTEL_UNCORE_EVENT_DESC(_name, _config) \ - { \ -@@ -146,14 +146,14 @@ ssize_t uncore_event_show(struct kobject *kobj, - } - - #define DEFINE_UNCORE_FORMAT_ATTR(_var, _name, _format) \ --static ssize_t __uncore_##_var##_show(struct kobject *kobj, \ -- struct kobj_attribute *attr, \ -+static ssize_t __uncore_##_var##_show(struct device *dev, \ -+ struct device_attribute *attr, \ - char *page) \ - { \ - BUILD_BUG_ON(sizeof(_format) >= PAGE_SIZE); \ - return sprintf(page, _format "\n"); \ - } \ --static struct kobj_attribute format_attr_##_var = \ -+static struct device_attribute format_attr_##_var = \ - __ATTR(_name, 0444, __uncore_##_var##_show, NULL) - - static inline unsigned uncore_pci_box_ctl(struct intel_uncore_box *box) -diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h -index bcbb1d2..d2511bf 100644 ---- a/arch/x86/events/perf_event.h -+++ b/arch/x86/events/perf_event.h -@@ -804,7 +804,7 @@ static inline void set_linear_ip(struct pt_regs *regs, unsigned long ip) - regs->cs = kernel_ip(ip) ? __KERNEL_CS : __USER_CS; - if (regs->flags & X86_VM_MASK) - regs->flags ^= (PERF_EFLAGS_VM | X86_VM_MASK); -- regs->ip = ip; -+ regs->ip = kernel_ip(ip) ? ktva_ktla(ip) : ip; - } - - ssize_t x86_event_sysfs_show(char *page, u64 config, u64 event); -diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c -index cb26f18..4f43f23 100644 ---- a/arch/x86/ia32/ia32_aout.c -+++ b/arch/x86/ia32/ia32_aout.c -@@ -153,6 +153,8 @@ static int aout_core_dump(struct coredump_params *cprm) - unsigned long dump_start, dump_size; - struct user32 dump; - -+ memset(&dump, 0, sizeof(dump)); -+ - fs = get_fs(); - set_fs(KERNEL_DS); - has_dumped = 1; -diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c -index cb13c05..d63fa1e 100644 ---- a/arch/x86/ia32/ia32_signal.c -+++ b/arch/x86/ia32/ia32_signal.c -@@ -112,7 +112,7 @@ static int ia32_restore_sigcontext(struct pt_regs *regs, - return err; - } - --asmlinkage long sys32_sigreturn(void) -+SYS32_SYSCALL_DEFINE0(sigreturn) - { - struct pt_regs *regs = current_pt_regs(); - struct sigframe_ia32 __user *frame = (struct sigframe_ia32 __user *)(regs->sp-8); -@@ -123,7 +123,7 @@ asmlinkage long sys32_sigreturn(void) - if (__get_user(set.sig[0], &frame->sc.oldmask) - || (_COMPAT_NSIG_WORDS > 1 - && __copy_from_user((((char *) &set.sig) + 4), -- &frame->extramask, -+ frame->extramask, - sizeof(frame->extramask)))) - goto badframe; - -@@ -138,7 +138,7 @@ asmlinkage long sys32_sigreturn(void) - return 0; - } - --asmlinkage long sys32_rt_sigreturn(void) -+SYS32_SYSCALL_DEFINE0(rt_sigreturn) - { - struct pt_regs *regs = current_pt_regs(); - struct rt_sigframe_ia32 __user *frame; -@@ -243,7 +243,7 @@ static void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs, - sp -= frame_size; - /* Align the stack pointer according to the i386 ABI, - * i.e. so that on function entry ((sp + 4) & 15) == 0. */ -- sp = ((sp + 4) & -16ul) - 4; -+ sp = ((sp - 12) & -16ul) - 4; - return (void __user *) sp; - } - -@@ -288,10 +288,10 @@ int ia32_setup_frame(int sig, struct ksignal *ksig, - } else { - /* Return stub is in 32bit vsyscall page */ - if (current->mm->context.vdso) -- restorer = current->mm->context.vdso + -- vdso_image_32.sym___kernel_sigreturn; -+ restorer = (void __force_user *)(current->mm->context.vdso + -+ vdso_image_32.sym___kernel_sigreturn); - else -- restorer = &frame->retcode; -+ restorer = frame->retcode; - } - - put_user_try { -@@ -301,7 +301,7 @@ int ia32_setup_frame(int sig, struct ksignal *ksig, - * These are actually not used anymore, but left because some - * gdb versions depend on them as a marker. - */ -- put_user_ex(*((u64 *)&code), (u64 __user *)frame->retcode); -+ put_user_ex(*((const u64 *)&code), (u64 __user *)frame->retcode); - } put_user_catch(err); - - if (err) -@@ -343,7 +343,7 @@ int ia32_setup_rt_frame(int sig, struct ksignal *ksig, - 0xb8, - __NR_ia32_rt_sigreturn, - 0x80cd, -- 0, -+ 0 - }; - - frame = get_sigframe(ksig, regs, sizeof(*frame), &fpstate); -@@ -366,16 +366,19 @@ int ia32_setup_rt_frame(int sig, struct ksignal *ksig, - - if (ksig->ka.sa.sa_flags & SA_RESTORER) - restorer = ksig->ka.sa.sa_restorer; -+ else if (current->mm->context.vdso) -+ /* Return stub is in 32bit vsyscall page */ -+ restorer = (void __force_user *)(current->mm->context.vdso + -+ vdso_image_32.sym___kernel_rt_sigreturn); - else -- restorer = current->mm->context.vdso + -- vdso_image_32.sym___kernel_rt_sigreturn; -+ restorer = frame->retcode; - put_user_ex(ptr_to_compat(restorer), &frame->pretcode); - - /* - * Not actually used anymore, but left because some gdb - * versions need it. - */ -- put_user_ex(*((u64 *)&code), (u64 __user *)frame->retcode); -+ put_user_ex(*((const u64 *)&code), (u64 __user *)frame->retcode); - } put_user_catch(err); - - err |= __copy_siginfo_to_user32(&frame->info, &ksig->info, false); -diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c -index 719cd70..113980a 100644 ---- a/arch/x86/ia32/sys_ia32.c -+++ b/arch/x86/ia32/sys_ia32.c -@@ -49,18 +49,27 @@ - - #define AA(__x) ((unsigned long)(__x)) - -+static inline loff_t compose_loff(unsigned int high, unsigned int low) -+{ -+ loff_t retval = low; -+ -+ BUILD_BUG_ON(sizeof retval != sizeof low + sizeof high); -+ __builtin_memcpy((unsigned char *)&retval + sizeof low, &high, sizeof high); -+ return retval; -+} -+ - --asmlinkage long sys32_truncate64(const char __user *filename, -- unsigned long offset_low, -- unsigned long offset_high) -+SYS32_SYSCALL_DEFINE3(truncate64, const char __user *, filename, -+ unsigned int, offset_low, -+ unsigned int, offset_high) - { -- return sys_truncate(filename, ((loff_t) offset_high << 32) | offset_low); -+ return sys_truncate(filename, compose_loff(offset_high, offset_low)); - } - --asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long offset_low, -- unsigned long offset_high) -+SYS32_SYSCALL_DEFINE3(ftruncate64, unsigned int, fd, unsigned int, offset_low, -+ unsigned int, offset_high) - { -- return sys_ftruncate(fd, ((loff_t) offset_high << 32) | offset_low); -+ return sys_ftruncate(fd, ((unsigned long) offset_high << 32) | offset_low); - } - - /* -@@ -69,8 +78,8 @@ asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long offset_low, - */ - static int cp_stat64(struct stat64 __user *ubuf, struct kstat *stat) - { -- typeof(ubuf->st_uid) uid = 0; -- typeof(ubuf->st_gid) gid = 0; -+ typeof(((struct stat64 *)0)->st_uid) uid = 0; -+ typeof(((struct stat64 *)0)->st_gid) gid = 0; - SET_UID(uid, from_kuid_munged(current_user_ns(), stat->uid)); - SET_GID(gid, from_kgid_munged(current_user_ns(), stat->gid)); - if (!access_ok(VERIFY_WRITE, ubuf, sizeof(struct stat64)) || -@@ -95,8 +104,8 @@ static int cp_stat64(struct stat64 __user *ubuf, struct kstat *stat) - return 0; - } - --asmlinkage long sys32_stat64(const char __user *filename, -- struct stat64 __user *statbuf) -+SYS32_SYSCALL_DEFINE2(stat64, const char __user *, filename, -+ struct stat64 __user *, statbuf) - { - struct kstat stat; - int ret = vfs_stat(filename, &stat); -@@ -106,8 +115,8 @@ asmlinkage long sys32_stat64(const char __user *filename, - return ret; - } - --asmlinkage long sys32_lstat64(const char __user *filename, -- struct stat64 __user *statbuf) -+SYS32_SYSCALL_DEFINE2(lstat64, const char __user *, filename, -+ struct stat64 __user *, statbuf) - { - struct kstat stat; - int ret = vfs_lstat(filename, &stat); -@@ -116,7 +125,7 @@ asmlinkage long sys32_lstat64(const char __user *filename, - return ret; - } - --asmlinkage long sys32_fstat64(unsigned int fd, struct stat64 __user *statbuf) -+SYS32_SYSCALL_DEFINE2(fstat64, unsigned int, fd, struct stat64 __user *, statbuf) - { - struct kstat stat; - int ret = vfs_fstat(fd, &stat); -@@ -125,8 +134,8 @@ asmlinkage long sys32_fstat64(unsigned int fd, struct stat64 __user *statbuf) - return ret; - } - --asmlinkage long sys32_fstatat(unsigned int dfd, const char __user *filename, -- struct stat64 __user *statbuf, int flag) -+SYS32_SYSCALL_DEFINE4(fstatat, unsigned int, dfd, const char __user *, filename, -+ struct stat64 __user *, statbuf, int, flag) - { - struct kstat stat; - int error; -@@ -152,7 +161,7 @@ struct mmap_arg_struct32 { - unsigned int offset; - }; - --asmlinkage long sys32_mmap(struct mmap_arg_struct32 __user *arg) -+SYS32_SYSCALL_DEFINE1(mmap, struct mmap_arg_struct32 __user *, arg) - { - struct mmap_arg_struct32 a; - -@@ -166,22 +175,22 @@ asmlinkage long sys32_mmap(struct mmap_arg_struct32 __user *arg) - a.offset>>PAGE_SHIFT); - } - --asmlinkage long sys32_waitpid(compat_pid_t pid, unsigned int __user *stat_addr, -- int options) -+SYS32_SYSCALL_DEFINE3(waitpid, compat_pid_t, pid, unsigned int __user *, stat_addr, -+ int, options) - { - return compat_sys_wait4(pid, stat_addr, options, NULL); - } - - /* warning: next two assume little endian */ --asmlinkage long sys32_pread(unsigned int fd, char __user *ubuf, u32 count, -- u32 poslo, u32 poshi) -+SYS32_SYSCALL_DEFINE5(pread, unsigned int, fd, char __user *, ubuf, u32, count, -+ u32, poslo, u32, poshi) - { - return sys_pread64(fd, ubuf, count, - ((loff_t)AA(poshi) << 32) | AA(poslo)); - } - --asmlinkage long sys32_pwrite(unsigned int fd, const char __user *ubuf, -- u32 count, u32 poslo, u32 poshi) -+SYS32_SYSCALL_DEFINE5(pwrite, unsigned int, fd, const char __user *, ubuf, -+ u32, count, u32, poslo, u32, poshi) - { - return sys_pwrite64(fd, ubuf, count, - ((loff_t)AA(poshi) << 32) | AA(poslo)); -@@ -192,40 +201,40 @@ asmlinkage long sys32_pwrite(unsigned int fd, const char __user *ubuf, - * Some system calls that need sign extended arguments. This could be - * done by a generic wrapper. - */ --long sys32_fadvise64_64(int fd, __u32 offset_low, __u32 offset_high, -- __u32 len_low, __u32 len_high, int advice) -+SYS32_SYSCALL_DEFINE6(fadvise64_64, int, fd, __u32, offset_low, __u32, offset_high, -+ __u32, len_low, __u32, len_high, int, advice) - { - return sys_fadvise64_64(fd, -- (((u64)offset_high)<<32) | offset_low, -- (((u64)len_high)<<32) | len_low, -+ compose_loff(offset_high, offset_low), -+ compose_loff(len_high, len_low), - advice); - } - --asmlinkage ssize_t sys32_readahead(int fd, unsigned off_lo, unsigned off_hi, -- size_t count) -+SYS32_SYSCALL_DEFINE4(readahead, int, fd, unsigned, off_lo, unsigned, off_hi, -+ size_t, count) - { -- return sys_readahead(fd, ((u64)off_hi << 32) | off_lo, count); -+ return sys_readahead(fd, compose_loff(off_hi, off_lo), count); - } - --asmlinkage long sys32_sync_file_range(int fd, unsigned off_low, unsigned off_hi, -- unsigned n_low, unsigned n_hi, int flags) -+SYS32_SYSCALL_DEFINE6(sync_file_range, int, fd, unsigned, off_low, unsigned, off_hi, -+ unsigned, n_low, unsigned, n_hi, int, flags) - { - return sys_sync_file_range(fd, -- ((u64)off_hi << 32) | off_low, -- ((u64)n_hi << 32) | n_low, flags); -+ compose_loff(off_hi, off_low), -+ compose_loff(n_hi, n_low), flags); - } - --asmlinkage long sys32_fadvise64(int fd, unsigned offset_lo, unsigned offset_hi, -- size_t len, int advice) -+SYS32_SYSCALL_DEFINE5(fadvise64, int, fd, unsigned, offset_lo, unsigned, offset_hi, -+ int, len, int, advice) - { -- return sys_fadvise64_64(fd, ((u64)offset_hi << 32) | offset_lo, -+ return sys_fadvise64_64(fd, compose_loff(offset_hi, offset_lo), - len, advice); - } - --asmlinkage long sys32_fallocate(int fd, int mode, unsigned offset_lo, -- unsigned offset_hi, unsigned len_lo, -- unsigned len_hi) -+SYS32_SYSCALL_DEFINE6(fallocate, int, fd, int, mode, unsigned, offset_lo, -+ unsigned, offset_hi, unsigned, len_lo, -+ unsigned, len_hi) - { -- return sys_fallocate(fd, mode, ((u64)offset_hi << 32) | offset_lo, -- ((u64)len_hi << 32) | len_lo); -+ return sys_fallocate(fd, mode, compose_loff(offset_hi, offset_lo), -+ compose_loff(len_hi, len_lo)); - } -diff --git a/arch/x86/include/asm/alternative-asm.h b/arch/x86/include/asm/alternative-asm.h -index e7636ba..f5c86c4 100644 ---- a/arch/x86/include/asm/alternative-asm.h -+++ b/arch/x86/include/asm/alternative-asm.h -@@ -3,7 +3,9 @@ - - #ifdef __ASSEMBLY__ - -+#include - #include -+#include - - #ifdef CONFIG_SMP - .macro LOCK_PREFIX -@@ -18,6 +20,114 @@ - .endm - #endif - -+.macro pax_force_retaddr_bts rip=0 -+#ifdef KERNEXEC_PLUGIN -+ btsq $63,\rip(%rsp) -+#endif -+.endm -+ -+#if defined(CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_BTS) && defined(CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR) -+#error PAX: the KERNEXEC BTS and OR methods must not be enabled at once -+#endif -+ -+.macro pax_force_retaddr rip=0 -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_BTS -+ btsq $63,\rip(%rsp) -+#endif -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ orq %r12,\rip(%rsp) -+#endif -+.endm -+ -+.macro pax_force_fptr ptr -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_BTS -+ btsq $63,\ptr -+#endif -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ orq %r12,\ptr -+#endif -+.endm -+ -+.macro pax_set_fptr_mask -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ movabs $0x8000000000000000,%r12 -+#endif -+.endm -+ -+#ifdef CONFIG_PAX_RAP -+.macro rap_call target hash="" sym="" -+ -+ jmp 2001f -+ .ifb \hash -+ __ASM_RAP_RET_HASH(__rap_hash_ret_\target) -+ .else -+ __ASM_RAP_RET_HASH(__rap_hash_ret_\hash) -+ .endif -+ .skip 8-(2002f-2001f),0xcc -+ -+ .ifnb \sym -+ .globl \sym -+\sym : -+ .endif -+ -+2001: call \target -+2002: -+.endm -+ -+.macro rap_retloc caller -+ __ASM_RAP_RET_HASH(__rap_hash_ret_\caller) -+ .skip 8-(2002f-2001f),0xcc -+2001: call \caller -+2002: -+.endm -+ -+.macro rap_ret func -+ ret -+.endm -+#endif -+ -+.macro pax_direct_call_global target sym -+#ifdef CONFIG_PAX_RAP -+ rap_call \target, , \sym -+#else -+ .globl \sym -+\sym : -+ call \target -+#endif -+.endm -+ -+.macro pax_indirect_call target extra -+#ifdef CONFIG_PAX_RAP -+ rap_call "*\target" hash=\extra -+#else -+ call *\target -+#endif -+.endm -+ -+.macro pax_direct_call target -+#ifdef CONFIG_PAX_RAP -+ rap_call \target -+#else -+ call \target -+#endif -+.endm -+ -+.macro pax_retloc caller -+#ifdef CONFIG_PAX_RAP -+ rap_retloc \caller -+#else -+#endif -+.endm -+ -+.macro pax_ret func -+ pax_force_retaddr -+#ifdef CONFIG_PAX_RAP -+ rap_ret \func -+#else -+ ret -+#endif -+.endm -+ - /* - * Issue one struct alt_instr descriptor entry (need to put it into - * the section .altinstructions, see below). This entry contains -@@ -50,7 +160,7 @@ - altinstruction_entry 140b,143f,\feature,142b-140b,144f-143f,142b-141b - .popsection - -- .pushsection .altinstr_replacement,"ax" -+ .pushsection .altinstr_replacement,"a" - 143: - \newinstr - 144: -@@ -86,7 +196,7 @@ - altinstruction_entry 140b,144f,\feature2,142b-140b,145f-144f,142b-141b - .popsection - -- .pushsection .altinstr_replacement,"ax" -+ .pushsection .altinstr_replacement,"a" - 143: - \newinstr1 - 144: -@@ -95,6 +205,26 @@ - .popsection - .endm - -+.macro __PAX_REFCOUNT section, counter -+#ifdef CONFIG_PAX_REFCOUNT -+ jo 111f -+ .pushsection .text.\section -+111: lea \counter,%_ASM_CX -+ int $X86_REFCOUNT_VECTOR -+222: -+ .popsection -+333: -+ _ASM_EXTABLE(222b, 333b) -+#endif -+.endm -+ -+.macro PAX_REFCOUNT64_OVERFLOW counter -+ __PAX_REFCOUNT refcount64_overflow, \counter -+.endm -+ -+.macro PAX_REFCOUNT64_UNDERFLOW counter -+ __PAX_REFCOUNT refcount64_underflow, \counter -+.endm - #endif /* __ASSEMBLY__ */ - - #endif /* _ASM_X86_ALTERNATIVE_ASM_H */ -diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h -index 1b02038..d42eaf6 100644 ---- a/arch/x86/include/asm/alternative.h -+++ b/arch/x86/include/asm/alternative.h -@@ -7,6 +7,7 @@ - #include - #include - #include -+#include - - /* - * Alternative inline assembly for SMP. -@@ -84,6 +85,18 @@ static inline int alternatives_text_reserved(void *start, void *end) - } - #endif /* CONFIG_SMP */ - -+#ifdef CONFIG_PAX_RAP -+#define PAX_DIRECT_CALL(target) "rap_direct_call " target -+#define PAX_DIRECT_CALL_HASH(target, hash) "rap_direct_call " target " " hash -+#define PAX_INDIRECT_CALL(target, extra) "rap_indirect_call " target " " extra -+#define PAX_RET(extra) "rap_ret " extra -+#else -+#define PAX_DIRECT_CALL(target) "call " target -+#define PAX_DIRECT_CALL_HASH(target, hash) "call " target -+#define PAX_INDIRECT_CALL(target, extra) "call " target -+#define PAX_RET(extra) "ret" -+#endif -+ - #define b_replacement(num) "664"#num - #define e_replacement(num) "665"#num - -@@ -137,7 +150,7 @@ static inline int alternatives_text_reserved(void *start, void *end) - ".pushsection .altinstructions,\"a\"\n" \ - ALTINSTR_ENTRY(feature, 1) \ - ".popsection\n" \ -- ".pushsection .altinstr_replacement, \"ax\"\n" \ -+ ".pushsection .altinstr_replacement, \"a\"\n" \ - ALTINSTR_REPLACEMENT(newinstr, feature, 1) \ - ".popsection" - -@@ -147,7 +160,7 @@ static inline int alternatives_text_reserved(void *start, void *end) - ALTINSTR_ENTRY(feature1, 1) \ - ALTINSTR_ENTRY(feature2, 2) \ - ".popsection\n" \ -- ".pushsection .altinstr_replacement, \"ax\"\n" \ -+ ".pushsection .altinstr_replacement, \"a\"\n" \ - ALTINSTR_REPLACEMENT(newinstr1, feature1, 1) \ - ALTINSTR_REPLACEMENT(newinstr2, feature2, 2) \ - ".popsection" -@@ -206,7 +219,7 @@ static inline int alternatives_text_reserved(void *start, void *end) - - /* Like alternative_io, but for replacing a direct call with another one. */ - #define alternative_call(oldfunc, newfunc, feature, output, input...) \ -- asm volatile (ALTERNATIVE("call %P[old]", "call %P[new]", feature) \ -+ asm volatile (ALTERNATIVE(PAX_DIRECT_CALL("%P[old]"), PAX_DIRECT_CALL("%P[new]"), feature) \ - : output : [old] "i" (oldfunc), [new] "i" (newfunc), ## input) - - /* -@@ -219,8 +232,8 @@ static inline int alternatives_text_reserved(void *start, void *end) - output, input...) \ - { \ - register void *__sp asm(_ASM_SP); \ -- asm volatile (ALTERNATIVE_2("call %P[old]", "call %P[new1]", feature1,\ -- "call %P[new2]", feature2) \ -+ asm volatile (ALTERNATIVE_2(PAX_DIRECT_CALL("%P[old]"), PAX_DIRECT_CALL("%P[new1]"), feature1,\ -+ PAX_DIRECT_CALL("%P[new2]"), feature2) \ - : output, "+r" (__sp) \ - : [old] "i" (oldfunc), [new1] "i" (newfunc1), \ - [new2] "i" (newfunc2), ## input); \ -@@ -238,6 +251,35 @@ static inline int alternatives_text_reserved(void *start, void *end) - */ - #define ASM_NO_INPUT_CLOBBER(clbr...) "i" (0) : clbr - -+#ifdef CONFIG_PAX_REFCOUNT -+#define __PAX_REFCOUNT(size) \ -+ "jo 111f\n" \ -+ ".if "__stringify(size)" == 4\n\t" \ -+ ".pushsection .text.refcount_overflow\n" \ -+ ".elseif "__stringify(size)" == -4\n\t" \ -+ ".pushsection .text.refcount_underflow\n" \ -+ ".elseif "__stringify(size)" == 8\n\t" \ -+ ".pushsection .text.refcount64_overflow\n" \ -+ ".elseif "__stringify(size)" == -8\n\t" \ -+ ".pushsection .text.refcount64_underflow\n" \ -+ ".else\n" \ -+ ".error \"invalid size\"\n" \ -+ ".endif\n" \ -+ "111:\tlea %[counter],%%"_ASM_CX"\n\t" \ -+ "int $"__stringify(X86_REFCOUNT_VECTOR)"\n" \ -+ "222:\n\t" \ -+ ".popsection\n" \ -+ "333:\n" \ -+ _ASM_EXTABLE(222b, 333b) -+ -+#define PAX_REFCOUNT_OVERFLOW(size) __PAX_REFCOUNT(size) -+#define PAX_REFCOUNT_UNDERFLOW(size) __PAX_REFCOUNT(-(size)) -+#else -+#define __PAX_REFCOUNT(size) -+#define PAX_REFCOUNT_OVERFLOW(size) -+#define PAX_REFCOUNT_UNDERFLOW(size) -+#endif -+ - #endif /* __ASSEMBLY__ */ - - #endif /* _ASM_X86_ALTERNATIVE_H */ -diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h -index f5aaf6c..6f23982 100644 ---- a/arch/x86/include/asm/apic.h -+++ b/arch/x86/include/asm/apic.h -@@ -49,7 +49,7 @@ static inline void generic_apic_probe(void) - - #ifdef CONFIG_X86_LOCAL_APIC - --extern unsigned int apic_verbosity; -+extern int apic_verbosity; - extern int local_apic_timer_c2_ok; - - extern int disable_apic; -diff --git a/arch/x86/include/asm/apm.h b/arch/x86/include/asm/apm.h -index 93eebc63..6a64395 100644 ---- a/arch/x86/include/asm/apm.h -+++ b/arch/x86/include/asm/apm.h -@@ -34,7 +34,7 @@ static inline void apm_bios_call_asm(u32 func, u32 ebx_in, u32 ecx_in, - __asm__ __volatile__(APM_DO_ZERO_SEGS - "pushl %%edi\n\t" - "pushl %%ebp\n\t" -- "lcall *%%cs:apm_bios_entry\n\t" -+ "lcall *%%ss:apm_bios_entry\n\t" - "setc %%al\n\t" - "popl %%ebp\n\t" - "popl %%edi\n\t" -@@ -58,7 +58,7 @@ static inline bool apm_bios_call_simple_asm(u32 func, u32 ebx_in, - __asm__ __volatile__(APM_DO_ZERO_SEGS - "pushl %%edi\n\t" - "pushl %%ebp\n\t" -- "lcall *%%cs:apm_bios_entry\n\t" -+ "lcall *%%ss:apm_bios_entry\n\t" - "setc %%bl\n\t" - "popl %%ebp\n\t" - "popl %%edi\n\t" -diff --git a/arch/x86/include/asm/asm-prototypes.h b/arch/x86/include/asm/asm-prototypes.h -index 44b8762..59e9d90 100644 ---- a/arch/x86/include/asm/asm-prototypes.h -+++ b/arch/x86/include/asm/asm-prototypes.h -@@ -11,6 +11,8 @@ - #include - #include - -+#include -+ - #ifndef CONFIG_X86_CMPXCHG64 - extern void cmpxchg8b_emu(void); - #endif -diff --git a/arch/x86/include/asm/asm.h b/arch/x86/include/asm/asm.h -index 7acb51c..46ba0b3 100644 ---- a/arch/x86/include/asm/asm.h -+++ b/arch/x86/include/asm/asm.h -@@ -79,30 +79,6 @@ - _ASM_PTR (entry); \ - .popsection - --.macro ALIGN_DESTINATION -- /* check for bad alignment of destination */ -- movl %edi,%ecx -- andl $7,%ecx -- jz 102f /* already aligned */ -- subl $8,%ecx -- negl %ecx -- subl %ecx,%edx --100: movb (%rsi),%al --101: movb %al,(%rdi) -- incq %rsi -- incq %rdi -- decl %ecx -- jnz 100b --102: -- .section .fixup,"ax" --103: addl %ecx,%edx /* ecx is zerorest also */ -- jmp copy_user_handle_tail -- .previous -- -- _ASM_EXTABLE(100b,103b) -- _ASM_EXTABLE(101b,103b) -- .endm -- - #else - # define _EXPAND_EXTABLE_HANDLE(x) #x - # define _ASM_EXTABLE_HANDLE(from, to, handler) \ -diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h -index 14635c5..199ea31 100644 ---- a/arch/x86/include/asm/atomic.h -+++ b/arch/x86/include/asm/atomic.h -@@ -27,6 +27,17 @@ static __always_inline int atomic_read(const atomic_t *v) - } - - /** -+ * atomic_read_unchecked - read atomic variable -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically reads the value of @v. -+ */ -+static __always_inline int __intentional_overflow(-1) atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ return ACCESS_ONCE((v)->counter); -+} -+ -+/** - * atomic_set - set atomic variable - * @v: pointer of type atomic_t - * @i: required value -@@ -39,6 +50,18 @@ static __always_inline void atomic_set(atomic_t *v, int i) - } - - /** -+ * atomic_set_unchecked - set atomic variable -+ * @v: pointer of type atomic_unchecked_t -+ * @i: required value -+ * -+ * Atomically sets the value of @v to @i. -+ */ -+static __always_inline void atomic_set_unchecked(atomic_unchecked_t *v, int i) -+{ -+ v->counter = i; -+} -+ -+/** - * atomic_add - add integer to atomic variable - * @i: integer value to add - * @v: pointer of type atomic_t -@@ -47,8 +70,24 @@ static __always_inline void atomic_set(atomic_t *v, int i) - */ - static __always_inline void atomic_add(int i, atomic_t *v) - { -- asm volatile(LOCK_PREFIX "addl %1,%0" -- : "+m" (v->counter) -+ asm volatile(LOCK_PREFIX "addl %1,%0\n\t" -+ PAX_REFCOUNT_OVERFLOW(4) -+ : [counter] "+m" (v->counter) -+ : "ir" (i) -+ : "cc", "cx"); -+} -+ -+/** -+ * atomic_add_unchecked - add integer to atomic variable -+ * @i: integer value to add -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically adds @i to @v. -+ */ -+static __always_inline void atomic_add_unchecked(int i, atomic_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "addl %1,%0\n" -+ : [counter] "+m" (v->counter) - : "ir" (i)); - } - -@@ -61,7 +100,23 @@ static __always_inline void atomic_add(int i, atomic_t *v) - */ - static __always_inline void atomic_sub(int i, atomic_t *v) - { -- asm volatile(LOCK_PREFIX "subl %1,%0" -+ asm volatile(LOCK_PREFIX "subl %1,%0\n\t" -+ PAX_REFCOUNT_UNDERFLOW(4) -+ : [counter] "+m" (v->counter) -+ : "ir" (i) -+ : "cc", "cx"); -+} -+ -+/** -+ * atomic_sub_unchecked - subtract integer from atomic variable -+ * @i: integer value to subtract -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically subtracts @i from @v. -+ */ -+static __always_inline void atomic_sub_unchecked(int i, atomic_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "subl %1,%0\n" - : "+m" (v->counter) - : "ir" (i)); - } -@@ -77,7 +132,7 @@ static __always_inline void atomic_sub(int i, atomic_t *v) - */ - static __always_inline bool atomic_sub_and_test(int i, atomic_t *v) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "subl", v->counter, "er", i, "%0", e); -+ GEN_BINARY_RMWcc(LOCK_PREFIX "subl", v->counter, -4, "er", i, "%0", e); - } - - /** -@@ -88,7 +143,21 @@ static __always_inline bool atomic_sub_and_test(int i, atomic_t *v) - */ - static __always_inline void atomic_inc(atomic_t *v) - { -- asm volatile(LOCK_PREFIX "incl %0" -+ asm volatile(LOCK_PREFIX "incl %0\n\t" -+ PAX_REFCOUNT_OVERFLOW(4) -+ : [counter] "+m" (v->counter) -+ : : "cc", "cx"); -+} -+ -+/** -+ * atomic_inc_unchecked - increment atomic variable -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically increments @v by 1. -+ */ -+static __always_inline void atomic_inc_unchecked(atomic_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "incl %0\n" - : "+m" (v->counter)); - } - -@@ -100,7 +169,21 @@ static __always_inline void atomic_inc(atomic_t *v) - */ - static __always_inline void atomic_dec(atomic_t *v) - { -- asm volatile(LOCK_PREFIX "decl %0" -+ asm volatile(LOCK_PREFIX "decl %0\n\t" -+ PAX_REFCOUNT_UNDERFLOW(4) -+ : [counter] "+m" (v->counter) -+ : : "cc", "cx"); -+} -+ -+/** -+ * atomic_dec_unchecked - decrement atomic variable -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically decrements @v by 1. -+ */ -+static __always_inline void atomic_dec_unchecked(atomic_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "decl %0\n" - : "+m" (v->counter)); - } - -@@ -114,7 +197,7 @@ static __always_inline void atomic_dec(atomic_t *v) - */ - static __always_inline bool atomic_dec_and_test(atomic_t *v) - { -- GEN_UNARY_RMWcc(LOCK_PREFIX "decl", v->counter, "%0", e); -+ GEN_UNARY_RMWcc(LOCK_PREFIX "decl", v->counter, -4, "%0", e); - } - - /** -@@ -127,7 +210,20 @@ static __always_inline bool atomic_dec_and_test(atomic_t *v) - */ - static __always_inline bool atomic_inc_and_test(atomic_t *v) - { -- GEN_UNARY_RMWcc(LOCK_PREFIX "incl", v->counter, "%0", e); -+ GEN_UNARY_RMWcc(LOCK_PREFIX "incl", v->counter, 4, "%0", e); -+} -+ -+/** -+ * atomic_inc_and_test_unchecked - increment and test -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically increments @v by 1 -+ * and returns true if the result is zero, or false for all -+ * other cases. -+ */ -+static __always_inline int atomic_inc_and_test_unchecked(atomic_unchecked_t *v) -+{ -+ GEN_UNARY_RMWcc_unchecked(LOCK_PREFIX "incl", v->counter, "%0", e); - } - - /** -@@ -141,7 +237,7 @@ static __always_inline bool atomic_inc_and_test(atomic_t *v) - */ - static __always_inline bool atomic_add_negative(int i, atomic_t *v) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "addl", v->counter, "er", i, "%0", s); -+ GEN_BINARY_RMWcc(LOCK_PREFIX "addl", v->counter, 4, "er", i, "%0", s); - } - - /** -@@ -151,7 +247,19 @@ static __always_inline bool atomic_add_negative(int i, atomic_t *v) - * - * Atomically adds @i to @v and returns @i + @v - */ --static __always_inline int atomic_add_return(int i, atomic_t *v) -+static __always_inline int __intentional_overflow(-1) atomic_add_return(int i, atomic_t *v) -+{ -+ return i + xadd_check_overflow(&v->counter, i); -+} -+ -+/** -+ * atomic_add_return_unchecked - add integer and return -+ * @i: integer value to add -+ * @v: pointer of type atomi_uncheckedc_t -+ * -+ * Atomically adds @i to @v and returns @i + @v -+ */ -+static __always_inline int atomic_add_return_unchecked(int i, atomic_unchecked_t *v) - { - return i + xadd(&v->counter, i); - } -@@ -163,25 +271,34 @@ static __always_inline int atomic_add_return(int i, atomic_t *v) - * - * Atomically subtracts @i from @v and returns @v - @i - */ --static __always_inline int atomic_sub_return(int i, atomic_t *v) -+static __always_inline int __intentional_overflow(-1) atomic_sub_return(int i, atomic_t *v) - { - return atomic_add_return(-i, v); - } - - #define atomic_inc_return(v) (atomic_add_return(1, v)) -+static __always_inline int atomic_inc_return_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_add_return_unchecked(1, v); -+} - #define atomic_dec_return(v) (atomic_sub_return(1, v)) - - static __always_inline int atomic_fetch_add(int i, atomic_t *v) - { -- return xadd(&v->counter, i); -+ return xadd_check_overflow(&v->counter, i); - } - - static __always_inline int atomic_fetch_sub(int i, atomic_t *v) - { -- return xadd(&v->counter, -i); -+ return xadd_check_overflow(&v->counter, -i); - } - --static __always_inline int atomic_cmpxchg(atomic_t *v, int old, int new) -+static __always_inline int __intentional_overflow(-1) atomic_cmpxchg(atomic_t *v, int old, int new) -+{ -+ return cmpxchg(&v->counter, old, new); -+} -+ -+static __always_inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new) - { - return cmpxchg(&v->counter, old, new); - } -@@ -191,6 +308,11 @@ static inline int atomic_xchg(atomic_t *v, int new) - return xchg(&v->counter, new); - } - -+static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new) -+{ -+ return xchg(&v->counter, new); -+} -+ - #define ATOMIC_OP(op) \ - static inline void atomic_##op(int i, atomic_t *v) \ - { \ -@@ -236,12 +358,20 @@ ATOMIC_OPS(xor, ^) - */ - static __always_inline int __atomic_add_unless(atomic_t *v, int a, int u) - { -- int c, old; -+ int c, old, new; - c = atomic_read(v); - for (;;) { -- if (unlikely(c == (u))) -+ if (unlikely(c == u)) - break; -- old = atomic_cmpxchg((v), c, c + (a)); -+ -+ asm volatile("addl %2,%0\n\t" -+ PAX_REFCOUNT_OVERFLOW(4) -+ : "=r" (new) -+ : "0" (c), "ir" (a), -+ [counter] "m" (v->counter) -+ : "cc", "cx"); -+ -+ old = atomic_cmpxchg(v, c, new); - if (likely(old == c)) - break; - c = old; -@@ -250,6 +380,114 @@ static __always_inline int __atomic_add_unless(atomic_t *v, int a, int u) - } - - /** -+ * atomic_inc_not_zero_hint - increment if not null -+ * @v: pointer of type atomic_t -+ * @hint: probable value of the atomic before the increment -+ * -+ * This version of atomic_inc_not_zero() gives a hint of probable -+ * value of the atomic. This helps processor to not read the memory -+ * before doing the atomic read/modify/write cycle, lowering -+ * number of bus transactions on some arches. -+ * -+ * Returns: 0 if increment was not done, 1 otherwise. -+ */ -+#define atomic_inc_not_zero_hint atomic_inc_not_zero_hint -+static inline int atomic_inc_not_zero_hint(atomic_t *v, int hint) -+{ -+ int val, c = hint, new; -+ -+ /* sanity test, should be removed by compiler if hint is a constant */ -+ if (!hint) -+ return __atomic_add_unless(v, 1, 0); -+ -+ do { -+ asm volatile("incl %0\n\t" -+ PAX_REFCOUNT_OVERFLOW(4) -+ : "=r" (new) -+ : "0" (c), -+ [counter] "m" (v->counter) -+ : "cc", "cx"); -+ -+ val = atomic_cmpxchg(v, c, new); -+ if (val == c) -+ return 1; -+ c = val; -+ } while (c); -+ -+ return 0; -+} -+ -+#define atomic_inc_unless_negative atomic_inc_unless_negative -+static inline int atomic_inc_unless_negative(atomic_t *p) -+{ -+ int v, v1, new; -+ -+ for (v = 0; v >= 0; v = v1) { -+ asm volatile("incl %0\n\t" -+ PAX_REFCOUNT_OVERFLOW(4) -+ : "=r" (new) -+ : "0" (v), -+ [counter] "m" (p->counter) -+ : "cc", "cx"); -+ -+ v1 = atomic_cmpxchg(p, v, new); -+ if (likely(v1 == v)) -+ return 1; -+ } -+ return 0; -+} -+ -+#define atomic_dec_unless_positive atomic_dec_unless_positive -+static inline int atomic_dec_unless_positive(atomic_t *p) -+{ -+ int v, v1, new; -+ -+ for (v = 0; v <= 0; v = v1) { -+ asm volatile("decl %0\n\t" -+ PAX_REFCOUNT_UNDERFLOW(4) -+ : "=r" (new) -+ : "0" (v), -+ [counter] "m" (p->counter) -+ : "cc", "cx"); -+ -+ v1 = atomic_cmpxchg(p, v, new); -+ if (likely(v1 == v)) -+ return 1; -+ } -+ return 0; -+} -+ -+/* -+ * atomic_dec_if_positive - decrement by 1 if old value positive -+ * @v: pointer of type atomic_t -+ * -+ * The function returns the old value of *v minus 1, even if -+ * the atomic variable, v, was not decremented. -+ */ -+#define atomic_dec_if_positive atomic_dec_if_positive -+static inline int atomic_dec_if_positive(atomic_t *v) -+{ -+ int c, old, dec; -+ c = atomic_read(v); -+ for (;;) { -+ asm volatile("decl %0\n\t" -+ PAX_REFCOUNT_UNDERFLOW(4) -+ : "=r" (dec) -+ : "0" (c), -+ [counter] "m" (v->counter) -+ : "cc", "cx"); -+ -+ if (unlikely(dec < 0)) -+ break; -+ old = atomic_cmpxchg(v, c, dec); -+ if (likely(old == c)) -+ break; -+ c = old; -+ } -+ return dec; -+} -+ -+/** - * atomic_inc_short - increment of a short integer - * @v: pointer to type int - * -diff --git a/arch/x86/include/asm/atomic64_32.h b/arch/x86/include/asm/atomic64_32.h -index 71d7705..02bb244 100644 ---- a/arch/x86/include/asm/atomic64_32.h -+++ b/arch/x86/include/asm/atomic64_32.h -@@ -8,9 +8,17 @@ - /* An 64bit atomic type */ - - typedef struct { -- u64 __aligned(8) counter; -+ s64 __aligned(8) counter; - } atomic64_t; - -+#ifdef CONFIG_PAX_REFCOUNT -+typedef struct { -+ s64 __aligned(8) counter; -+} atomic64_unchecked_t; -+#else -+typedef atomic64_t atomic64_unchecked_t; -+#endif -+ - #define ATOMIC64_INIT(val) { (val) } - - #define __ATOMIC64_DECL(sym) void atomic64_##sym(atomic64_t *, ...) -@@ -23,7 +31,7 @@ typedef struct { - - #ifdef CONFIG_X86_CMPXCHG64 - #define __alternative_atomic64(f, g, out, in...) \ -- asm volatile("call %P[func]" \ -+ asm volatile(PAX_DIRECT_CALL("%P[func]") \ - : out : [func] "i" (atomic64_##g##_cx8), ## in) - - #define ATOMIC64_DECL(sym) ATOMIC64_DECL_ONE(sym##_cx8) -@@ -36,21 +44,31 @@ typedef struct { - ATOMIC64_DECL_ONE(sym##_386) - - ATOMIC64_DECL_ONE(add_386); -+ATOMIC64_DECL_ONE(add_unchecked_386); - ATOMIC64_DECL_ONE(sub_386); -+ATOMIC64_DECL_ONE(sub_unchecked_386); - ATOMIC64_DECL_ONE(inc_386); -+ATOMIC64_DECL_ONE(inc_unchecked_386); - ATOMIC64_DECL_ONE(dec_386); -+ATOMIC64_DECL_ONE(dec_unchecked_386); - #endif - - #define alternative_atomic64(f, out, in...) \ - __alternative_atomic64(f, f, ASM_OUTPUT2(out), ## in) - - ATOMIC64_DECL(read); -+ATOMIC64_DECL(read_unchecked); - ATOMIC64_DECL(set); -+ATOMIC64_DECL(set_unchecked); - ATOMIC64_DECL(xchg); - ATOMIC64_DECL(add_return); -+ATOMIC64_DECL(add_return_unchecked); - ATOMIC64_DECL(sub_return); -+ATOMIC64_DECL(sub_return_unchecked); - ATOMIC64_DECL(inc_return); -+ATOMIC64_DECL(inc_return_unchecked); - ATOMIC64_DECL(dec_return); -+ATOMIC64_DECL(dec_return_unchecked); - ATOMIC64_DECL(dec_if_positive); - ATOMIC64_DECL(inc_not_zero); - ATOMIC64_DECL(add_unless); -@@ -76,6 +94,21 @@ static inline long long atomic64_cmpxchg(atomic64_t *v, long long o, long long n - } - - /** -+ * atomic64_cmpxchg_unchecked - cmpxchg atomic64 variable -+ * @p: pointer to type atomic64_unchecked_t -+ * @o: expected value -+ * @n: new value -+ * -+ * Atomically sets @v to @n if it was equal to @o and returns -+ * the old value. -+ */ -+ -+static inline long long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long long o, long long n) -+{ -+ return cmpxchg64(&v->counter, o, n); -+} -+ -+/** - * atomic64_xchg - xchg atomic64 variable - * @v: pointer to type atomic64_t - * @n: value to assign -@@ -95,6 +128,25 @@ static inline long long atomic64_xchg(atomic64_t *v, long long n) - } - - /** -+ * atomic64_xchg_unchecked - xchg atomic64 variable -+ * @v: pointer to type atomic64_unchecked_t -+ * @n: value to assign -+ * -+ * Atomically xchgs the value of @v to @n and returns -+ * the old value. -+ */ -+static inline long long atomic64_xchg_unchecked(atomic64_unchecked_t *v, long long n) -+{ -+ long long o; -+ unsigned high = (unsigned)(n >> 32); -+ unsigned low = (unsigned)n; -+ alternative_atomic64(xchg, "=&A" (o), -+ "S" (v), "b" (low), "c" (high) -+ : "memory"); -+ return o; -+} -+ -+/** - * atomic64_set - set atomic64 variable - * @v: pointer to type atomic64_t - * @i: value to assign -@@ -111,6 +163,22 @@ static inline void atomic64_set(atomic64_t *v, long long i) - } - - /** -+ * atomic64_set_unchecked - set atomic64 variable -+ * @v: pointer to type atomic64_unchecked_t -+ * @n: value to assign -+ * -+ * Atomically sets the value of @v to @n. -+ */ -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long long i) -+{ -+ unsigned high = (unsigned)(i >> 32); -+ unsigned low = (unsigned)i; -+ alternative_atomic64(set, /* no output */, -+ "S" (v), "b" (low), "c" (high) -+ : "eax", "edx", "memory"); -+} -+ -+/** - * atomic64_read - read atomic64 variable - * @v: pointer to type atomic64_t - * -@@ -124,6 +192,19 @@ static inline long long atomic64_read(const atomic64_t *v) - } - - /** -+ * atomic64_read_unchecked - read atomic64 variable -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically reads the value of @v and returns it. -+ */ -+static inline long long __intentional_overflow(-1) atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ long long r; -+ alternative_atomic64(read, "=&A" (r), "c" (v) : "memory"); -+ return r; -+ } -+ -+/** - * atomic64_add_return - add and return - * @i: integer value to add - * @v: pointer to type atomic64_t -@@ -138,6 +219,21 @@ static inline long long atomic64_add_return(long long i, atomic64_t *v) - return i; - } - -+/** -+ * atomic64_add_return_unchecked - add and return -+ * @i: integer value to add -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically adds @i to @v and returns @i + *@v -+ */ -+static inline long long atomic64_add_return_unchecked(long long i, atomic64_unchecked_t *v) -+{ -+ alternative_atomic64(add_return_unchecked, -+ ASM_OUTPUT2("+A" (i), "+c" (v)), -+ ASM_NO_INPUT_CLOBBER("memory")); -+ return i; -+} -+ - /* - * Other variants with different arithmetic operators: - */ -@@ -157,6 +253,14 @@ static inline long long atomic64_inc_return(atomic64_t *v) - return a; - } - -+static inline long long atomic64_inc_return_unchecked(atomic64_unchecked_t *v) -+{ -+ long long a; -+ alternative_atomic64(inc_return_unchecked, "=&A" (a), -+ "S" (v) : "memory", "ecx"); -+ return a; -+} -+ - static inline long long atomic64_dec_return(atomic64_t *v) - { - long long a; -@@ -181,6 +285,21 @@ static inline long long atomic64_add(long long i, atomic64_t *v) - } - - /** -+ * atomic64_add_unchecked - add integer to atomic64 variable -+ * @i: integer value to add -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically adds @i to @v. -+ */ -+static inline long long atomic64_add_unchecked(long long i, atomic64_unchecked_t *v) -+{ -+ __alternative_atomic64(add_unchecked, add_return_unchecked, -+ ASM_OUTPUT2("+A" (i), "+c" (v)), -+ ASM_NO_INPUT_CLOBBER("memory")); -+ return i; -+} -+ -+/** - * atomic64_sub - subtract the atomic64 variable - * @i: integer value to subtract - * @v: pointer to type atomic64_t -@@ -222,6 +341,18 @@ static inline void atomic64_inc(atomic64_t *v) - } - - /** -+ * atomic64_inc_unchecked - increment atomic64 variable -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically increments @v by 1. -+ */ -+static inline void atomic64_inc_unchecked(atomic64_unchecked_t *v) -+{ -+ __alternative_atomic64(inc_unchecked, inc_return_unchecked, /* no output */, -+ "S" (v) : "memory", "eax", "ecx", "edx"); -+} -+ -+/** - * atomic64_dec - decrement atomic64 variable - * @v: pointer to type atomic64_t - * -diff --git a/arch/x86/include/asm/atomic64_64.h b/arch/x86/include/asm/atomic64_64.h -index 89ed2f6..25490ad 100644 ---- a/arch/x86/include/asm/atomic64_64.h -+++ b/arch/x86/include/asm/atomic64_64.h -@@ -22,6 +22,18 @@ static inline long atomic64_read(const atomic64_t *v) - } - - /** -+ * atomic64_read_unchecked - read atomic64 variable -+ * @v: pointer of type atomic64_unchecked_t -+ * -+ * Atomically reads the value of @v. -+ * Doesn't imply a read memory barrier. -+ */ -+static inline long __intentional_overflow(-1) atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ return ACCESS_ONCE((v)->counter); -+} -+ -+/** - * atomic64_set - set atomic64 variable - * @v: pointer to type atomic64_t - * @i: required value -@@ -34,6 +46,18 @@ static inline void atomic64_set(atomic64_t *v, long i) - } - - /** -+ * atomic64_set_unchecked - set atomic64 variable -+ * @v: pointer to type atomic64_unchecked_t -+ * @i: required value -+ * -+ * Atomically sets the value of @v to @i. -+ */ -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long i) -+{ -+ v->counter = i; -+} -+ -+/** - * atomic64_add - add integer to atomic64 variable - * @i: integer value to add - * @v: pointer to type atomic64_t -@@ -42,6 +66,22 @@ static inline void atomic64_set(atomic64_t *v, long i) - */ - static __always_inline void atomic64_add(long i, atomic64_t *v) - { -+ asm volatile(LOCK_PREFIX "addq %1,%0\n\t" -+ PAX_REFCOUNT_OVERFLOW(8) -+ : [counter] "=m" (v->counter) -+ : "er" (i), "m" (v->counter) -+ : "cc", "cx"); -+} -+ -+/** -+ * atomic64_add_unchecked - add integer to atomic64 variable -+ * @i: integer value to add -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically adds @i to @v. -+ */ -+static __always_inline void atomic64_add_unchecked(long i, atomic64_unchecked_t *v) -+{ - asm volatile(LOCK_PREFIX "addq %1,%0" - : "=m" (v->counter) - : "er" (i), "m" (v->counter)); -@@ -56,7 +96,23 @@ static __always_inline void atomic64_add(long i, atomic64_t *v) - */ - static inline void atomic64_sub(long i, atomic64_t *v) - { -- asm volatile(LOCK_PREFIX "subq %1,%0" -+ asm volatile(LOCK_PREFIX "subq %1,%0\n\t" -+ PAX_REFCOUNT_UNDERFLOW(8) -+ : [counter] "=m" (v->counter) -+ : "er" (i), "m" (v->counter) -+ : "cc", "cx"); -+} -+ -+/** -+ * atomic64_sub_unchecked - subtract the atomic64 variable -+ * @i: integer value to subtract -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically subtracts @i from @v. -+ */ -+static inline void atomic64_sub_unchecked(long i, atomic64_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "subq %1,%0\n" - : "=m" (v->counter) - : "er" (i), "m" (v->counter)); - } -@@ -72,7 +128,7 @@ static inline void atomic64_sub(long i, atomic64_t *v) - */ - static inline bool atomic64_sub_and_test(long i, atomic64_t *v) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "subq", v->counter, "er", i, "%0", e); -+ GEN_BINARY_RMWcc(LOCK_PREFIX "subq", v->counter, -8, "er", i, "%0", e); - } - - /** -@@ -83,6 +139,21 @@ static inline bool atomic64_sub_and_test(long i, atomic64_t *v) - */ - static __always_inline void atomic64_inc(atomic64_t *v) - { -+ asm volatile(LOCK_PREFIX "incq %0\n\t" -+ PAX_REFCOUNT_OVERFLOW(8) -+ : [counter] "=m" (v->counter) -+ : "m" (v->counter) -+ : "cc", "cx"); -+} -+ -+/** -+ * atomic64_inc_unchecked - increment atomic64 variable -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically increments @v by 1. -+ */ -+static __always_inline void atomic64_inc_unchecked(atomic64_unchecked_t *v) -+{ - asm volatile(LOCK_PREFIX "incq %0" - : "=m" (v->counter) - : "m" (v->counter)); -@@ -96,7 +167,22 @@ static __always_inline void atomic64_inc(atomic64_t *v) - */ - static __always_inline void atomic64_dec(atomic64_t *v) - { -- asm volatile(LOCK_PREFIX "decq %0" -+ asm volatile(LOCK_PREFIX "decq %0\n\t" -+ PAX_REFCOUNT_UNDERFLOW(8) -+ : [counter] "=m" (v->counter) -+ : "m" (v->counter) -+ : "cc", "cx"); -+} -+ -+/** -+ * atomic64_dec_unchecked - decrement atomic64 variable -+ * @v: pointer to type atomic64_t -+ * -+ * Atomically decrements @v by 1. -+ */ -+static __always_inline void atomic64_dec_unchecked(atomic64_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "decq %0\n" - : "=m" (v->counter) - : "m" (v->counter)); - } -@@ -111,7 +197,7 @@ static __always_inline void atomic64_dec(atomic64_t *v) - */ - static inline bool atomic64_dec_and_test(atomic64_t *v) - { -- GEN_UNARY_RMWcc(LOCK_PREFIX "decq", v->counter, "%0", e); -+ GEN_UNARY_RMWcc(LOCK_PREFIX "decq", v->counter, -8, "%0", e); - } - - /** -@@ -124,7 +210,7 @@ static inline bool atomic64_dec_and_test(atomic64_t *v) - */ - static inline bool atomic64_inc_and_test(atomic64_t *v) - { -- GEN_UNARY_RMWcc(LOCK_PREFIX "incq", v->counter, "%0", e); -+ GEN_UNARY_RMWcc(LOCK_PREFIX "incq", v->counter, 8, "%0", e); - } - - /** -@@ -138,7 +224,7 @@ static inline bool atomic64_inc_and_test(atomic64_t *v) - */ - static inline bool atomic64_add_negative(long i, atomic64_t *v) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "addq", v->counter, "er", i, "%0", s); -+ GEN_BINARY_RMWcc(LOCK_PREFIX "addq", v->counter, 8, "er", i, "%0", s); - } - - /** -@@ -150,6 +236,18 @@ static inline bool atomic64_add_negative(long i, atomic64_t *v) - */ - static __always_inline long atomic64_add_return(long i, atomic64_t *v) - { -+ return i + xadd_check_overflow(&v->counter, i); -+} -+ -+/** -+ * atomic64_add_return_unchecked - add and return -+ * @i: integer value to add -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically adds @i to @v and returns @i + @v -+ */ -+static __always_inline long atomic64_add_return_unchecked(long i, atomic64_unchecked_t *v) -+{ - return i + xadd(&v->counter, i); - } - -@@ -160,15 +258,19 @@ static inline long atomic64_sub_return(long i, atomic64_t *v) - - static inline long atomic64_fetch_add(long i, atomic64_t *v) - { -- return xadd(&v->counter, i); -+ return xadd_check_overflow(&v->counter, i); - } - - static inline long atomic64_fetch_sub(long i, atomic64_t *v) - { -- return xadd(&v->counter, -i); -+ return xadd_check_overflow(&v->counter, -i); - } - - #define atomic64_inc_return(v) (atomic64_add_return(1, (v))) -+static inline long atomic64_inc_return_unchecked(atomic64_unchecked_t *v) -+{ -+ return atomic64_add_return_unchecked(1, v); -+} - #define atomic64_dec_return(v) (atomic64_sub_return(1, (v))) - - static inline long atomic64_cmpxchg(atomic64_t *v, long old, long new) -@@ -176,11 +278,21 @@ static inline long atomic64_cmpxchg(atomic64_t *v, long old, long new) - return cmpxchg(&v->counter, old, new); - } - -+static inline long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long old, long new) -+{ -+ return cmpxchg(&v->counter, old, new); -+} -+ - static inline long atomic64_xchg(atomic64_t *v, long new) - { - return xchg(&v->counter, new); - } - -+static inline long atomic64_xchg_unchecked(atomic64_unchecked_t *v, long new) -+{ -+ return xchg(&v->counter, new); -+} -+ - /** - * atomic64_add_unless - add unless the number is a given value - * @v: pointer of type atomic64_t -@@ -192,17 +304,25 @@ static inline long atomic64_xchg(atomic64_t *v, long new) - */ - static inline bool atomic64_add_unless(atomic64_t *v, long a, long u) - { -- long c, old; -+ long c, old, new; - c = atomic64_read(v); - for (;;) { -- if (unlikely(c == (u))) -+ if (unlikely(c == u)) - break; -- old = atomic64_cmpxchg((v), c, c + (a)); -+ -+ asm volatile("addq %2,%0\n\t" -+ PAX_REFCOUNT_OVERFLOW(8) -+ : "=r" (new) -+ : "0" (c), "ir" (a), -+ [counter] "m" (v->counter) -+ : "cc", "cx"); -+ -+ old = atomic64_cmpxchg(v, c, new); - if (likely(old == c)) - break; - c = old; - } -- return c != (u); -+ return c != u; - } - - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) -diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h -index 68557f52..d9828ec 100644 ---- a/arch/x86/include/asm/bitops.h -+++ b/arch/x86/include/asm/bitops.h -@@ -50,7 +50,7 @@ - * a mask operation on a byte. - */ - #define IS_IMMEDIATE(nr) (__builtin_constant_p(nr)) --#define CONST_MASK_ADDR(nr, addr) BITOP_ADDR((void *)(addr) + ((nr)>>3)) -+#define CONST_MASK_ADDR(nr, addr) BITOP_ADDR((volatile void *)(addr) + ((nr)>>3)) - #define CONST_MASK(nr) (1 << ((nr) & 7)) - - /** -@@ -203,7 +203,7 @@ static __always_inline void change_bit(long nr, volatile unsigned long *addr) - */ - static __always_inline bool test_and_set_bit(long nr, volatile unsigned long *addr) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "bts", *addr, "Ir", nr, "%0", c); -+ GEN_BINARY_RMWcc_unchecked(LOCK_PREFIX "bts", *addr, "Ir", nr, "%0", c); - } - - /** -@@ -249,7 +249,7 @@ static __always_inline bool __test_and_set_bit(long nr, volatile unsigned long * - */ - static __always_inline bool test_and_clear_bit(long nr, volatile unsigned long *addr) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "btr", *addr, "Ir", nr, "%0", c); -+ GEN_BINARY_RMWcc_unchecked(LOCK_PREFIX "btr", *addr, "Ir", nr, "%0", c); - } - - /** -@@ -302,7 +302,7 @@ static __always_inline bool __test_and_change_bit(long nr, volatile unsigned lon - */ - static __always_inline bool test_and_change_bit(long nr, volatile unsigned long *addr) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "btc", *addr, "Ir", nr, "%0", c); -+ GEN_BINARY_RMWcc_unchecked(LOCK_PREFIX "btc", *addr, "Ir", nr, "%0", c); - } - - static __always_inline bool constant_test_bit(long nr, const volatile unsigned long *addr) -@@ -343,7 +343,7 @@ static bool test_bit(int nr, const volatile unsigned long *addr); - * - * Undefined if no bit exists, so code should check against 0 first. - */ --static __always_inline unsigned long __ffs(unsigned long word) -+static __always_inline unsigned long __intentional_overflow(-1) __ffs(unsigned long word) - { - asm("rep; bsf %1,%0" - : "=r" (word) -@@ -357,7 +357,7 @@ static __always_inline unsigned long __ffs(unsigned long word) - * - * Undefined if no zero exists, so code should check against ~0UL first. - */ --static __always_inline unsigned long ffz(unsigned long word) -+static __always_inline unsigned long __intentional_overflow(-1) ffz(unsigned long word) - { - asm("rep; bsf %1,%0" - : "=r" (word) -@@ -371,7 +371,7 @@ static __always_inline unsigned long ffz(unsigned long word) - * - * Undefined if no set bit exists, so code should check against 0 first. - */ --static __always_inline unsigned long __fls(unsigned long word) -+static __always_inline unsigned long __intentional_overflow(-1) __fls(unsigned long word) - { - asm("bsr %1,%0" - : "=r" (word) -@@ -434,7 +434,7 @@ static __always_inline int ffs(int x) - * set bit if value is nonzero. The last (most significant) bit is - * at position 32. - */ --static __always_inline int fls(int x) -+static __always_inline int __intentional_overflow(-1) fls(int x) - { - int r; - -@@ -476,7 +476,7 @@ static __always_inline int fls(int x) - * at position 64. - */ - #ifdef CONFIG_X86_64 --static __always_inline int fls64(__u64 x) -+static __always_inline __intentional_overflow(-1) int fls64(__u64 x) - { - int bitpos = -1; - /* -diff --git a/arch/x86/include/asm/boot.h b/arch/x86/include/asm/boot.h -index abd06b1..17fc65f 100644 ---- a/arch/x86/include/asm/boot.h -+++ b/arch/x86/include/asm/boot.h -@@ -6,7 +6,7 @@ - #include - - /* Physical address where kernel should be loaded. */ --#define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \ -+#define ____LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \ - + (CONFIG_PHYSICAL_ALIGN - 1)) \ - & ~(CONFIG_PHYSICAL_ALIGN - 1)) - -diff --git a/arch/x86/include/asm/cache.h b/arch/x86/include/asm/cache.h -index 48f99f1..26ab08a 100644 ---- a/arch/x86/include/asm/cache.h -+++ b/arch/x86/include/asm/cache.h -@@ -5,12 +5,12 @@ - - /* L1 cache line size */ - #define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT) --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define __read_mostly __attribute__((__section__(".data..read_mostly"))) - - #define INTERNODE_CACHE_SHIFT CONFIG_X86_INTERNODE_CACHE_SHIFT --#define INTERNODE_CACHE_BYTES (1 << INTERNODE_CACHE_SHIFT) -+#define INTERNODE_CACHE_BYTES (_AC(1,UL) << INTERNODE_CACHE_SHIFT) - - #ifdef CONFIG_X86_VSMP - #ifdef CONFIG_SMP -diff --git a/arch/x86/include/asm/checksum_32.h b/arch/x86/include/asm/checksum_32.h -index 7b53743..5745aa1 100644 ---- a/arch/x86/include/asm/checksum_32.h -+++ b/arch/x86/include/asm/checksum_32.h -@@ -16,7 +16,7 @@ - * - * it's best to have buff aligned on a 32-bit boundary - */ --asmlinkage __wsum csum_partial(const void *buff, int len, __wsum sum); -+asmlinkage __wsum csum_partial(const void *buff, int len, __wsum sum) __rap_hash; - - /* - * the same as csum_partial, but copies from src while it -@@ -30,6 +30,14 @@ asmlinkage __wsum csum_partial_copy_generic(const void *src, void *dst, - int len, __wsum sum, - int *src_err_ptr, int *dst_err_ptr); - -+asmlinkage __wsum csum_partial_copy_generic_to_user(const void *src, void *dst, -+ int len, __wsum sum, -+ int *src_err_ptr, int *dst_err_ptr) __rap_hash; -+ -+asmlinkage __wsum csum_partial_copy_generic_from_user(const void *src, void *dst, -+ int len, __wsum sum, -+ int *src_err_ptr, int *dst_err_ptr); -+ - /* - * Note: when you get a NULL pointer exception here this means someone - * passed in an incorrect kernel address to one of these functions. -@@ -52,7 +60,7 @@ static inline __wsum csum_partial_copy_from_user(const void __user *src, - - might_sleep(); - stac(); -- ret = csum_partial_copy_generic((__force void *)src, dst, -+ ret = csum_partial_copy_generic_from_user((__force void *)src, dst, - len, sum, err_ptr, NULL); - clac(); - -@@ -183,7 +191,7 @@ static inline __wsum csum_and_copy_to_user(const void *src, - might_sleep(); - if (access_ok(VERIFY_WRITE, dst, len)) { - stac(); -- ret = csum_partial_copy_generic(src, (__force void *)dst, -+ ret = csum_partial_copy_generic_to_user(src, (__force void *)dst, - len, sum, NULL, err_ptr); - clac(); - return ret; -diff --git a/arch/x86/include/asm/cmpxchg.h b/arch/x86/include/asm/cmpxchg.h -index 97848cd..9ccfae9 100644 ---- a/arch/x86/include/asm/cmpxchg.h -+++ b/arch/x86/include/asm/cmpxchg.h -@@ -15,8 +15,12 @@ extern void __cmpxchg_wrong_size(void) - __compiletime_error("Bad argument size for cmpxchg"); - extern void __xadd_wrong_size(void) - __compiletime_error("Bad argument size for xadd"); -+extern void __xadd_check_overflow_wrong_size(void) -+ __compiletime_error("Bad argument size for xadd_check_overflow"); - extern void __add_wrong_size(void) - __compiletime_error("Bad argument size for add"); -+extern void __add_check_overflow_wrong_size(void) -+ __compiletime_error("Bad argument size for add_check_overflow"); - - /* - * Constants for operation sizes. On 32-bit, the 64-bit size it set to -@@ -68,6 +72,32 @@ extern void __add_wrong_size(void) - __ret; \ - }) - -+#ifdef CONFIG_PAX_REFCOUNT -+#define __xchg_op_check_overflow(ptr, arg, op, lock) \ -+ ({ \ -+ __typeof__ (*(ptr)) __ret = (arg); \ -+ switch (sizeof(*(ptr))) { \ -+ case __X86_CASE_L: \ -+ asm volatile (lock #op "l %0, %1\n" \ -+ PAX_REFCOUNT_OVERFLOW(4) \ -+ : "+r" (__ret), [counter] "+m" (*(ptr))\ -+ : : "memory", "cc", "cx"); \ -+ break; \ -+ case __X86_CASE_Q: \ -+ asm volatile (lock #op "q %q0, %1\n" \ -+ PAX_REFCOUNT_OVERFLOW(8) \ -+ : "+r" (__ret), [counter] "+m" (*(ptr))\ -+ : : "memory", "cc", "cx"); \ -+ break; \ -+ default: \ -+ __ ## op ## _check_overflow_wrong_size(); \ -+ } \ -+ __ret; \ -+ }) -+#else -+#define __xchg_op_check_overflow(ptr, arg, op, lock) __xchg_op(ptr, arg, op, lock) -+#endif -+ - /* - * Note: no "lock" prefix even on SMP: xchg always implies lock anyway. - * Since this is generally used to protect other memory information, we -@@ -162,6 +192,9 @@ extern void __add_wrong_size(void) - #define __xadd(ptr, inc, lock) __xchg_op((ptr), (inc), xadd, lock) - #define xadd(ptr, inc) __xadd((ptr), (inc), LOCK_PREFIX) - -+#define __xadd_check_overflow(ptr, inc, lock) __xchg_op_check_overflow((ptr), (inc), xadd, lock) -+#define xadd_check_overflow(ptr, inc) __xadd_check_overflow((ptr), (inc), LOCK_PREFIX) -+ - #define __cmpxchg_double(pfx, p1, p2, o1, o2, n1, n2) \ - ({ \ - bool __ret; \ -diff --git a/arch/x86/include/asm/cmpxchg_32.h b/arch/x86/include/asm/cmpxchg_32.h -index e4959d0..c62dbc2 100644 ---- a/arch/x86/include/asm/cmpxchg_32.h -+++ b/arch/x86/include/asm/cmpxchg_32.h -@@ -81,7 +81,7 @@ static inline u64 __cmpxchg64_local(volatile u64 *ptr, u64 old, u64 new) - __typeof__(*(ptr)) __old = (o); \ - __typeof__(*(ptr)) __new = (n); \ - alternative_io(LOCK_PREFIX_HERE \ -- "call cmpxchg8b_emu", \ -+ PAX_DIRECT_CALL("cmpxchg8b_emu"), \ - "lock; cmpxchg8b (%%esi)" , \ - X86_FEATURE_CX8, \ - "=A" (__ret), \ -@@ -97,7 +97,7 @@ static inline u64 __cmpxchg64_local(volatile u64 *ptr, u64 old, u64 new) - __typeof__(*(ptr)) __ret; \ - __typeof__(*(ptr)) __old = (o); \ - __typeof__(*(ptr)) __new = (n); \ -- alternative_io("call cmpxchg8b_emu", \ -+ alternative_io(PAX_DIRECT_CALL("cmpxchg8b_emu"), \ - "cmpxchg8b (%%esi)" , \ - X86_FEATURE_CX8, \ - "=A" (__ret), \ -diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h -index 24118c0..55d73de 100644 ---- a/arch/x86/include/asm/compat.h -+++ b/arch/x86/include/asm/compat.h -@@ -42,7 +42,11 @@ typedef u32 compat_uint_t; - typedef u32 compat_ulong_t; - typedef u32 compat_u32; - typedef u64 __attribute__((aligned(4))) compat_u64; -+#ifdef CHECKER_PLUGIN_USER - typedef u32 compat_uptr_t; -+#else -+typedef u32 __user compat_uptr_t; -+#endif - - struct compat_timespec { - compat_time_t tv_sec; -diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h -index 1d2b69f..8ca35d6 100644 ---- a/arch/x86/include/asm/cpufeature.h -+++ b/arch/x86/include/asm/cpufeature.h -@@ -156,7 +156,7 @@ static __always_inline __pure bool _static_cpu_has(u16 bit) - " .byte 5f - 4f\n" /* repl len */ - " .byte 3b - 2b\n" /* pad len */ - ".previous\n" -- ".section .altinstr_replacement,\"ax\"\n" -+ ".section .altinstr_replacement,\"a\"\n" - "4: jmp %l[t_no]\n" - "5:\n" - ".previous\n" -diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h -index ed10b5b..95be661 100644 ---- a/arch/x86/include/asm/cpufeatures.h -+++ b/arch/x86/include/asm/cpufeatures.h -@@ -206,7 +206,8 @@ - - #define X86_FEATURE_VMMCALL ( 8*32+15) /* Prefer vmmcall to vmcall */ - #define X86_FEATURE_XENPV ( 8*32+16) /* "" Xen paravirtual guest */ -- -+#define X86_FEATURE_PCIDUDEREF ( 8*32+30) /* PaX PCID based UDEREF */ -+#define X86_FEATURE_STRONGUDEREF (8*32+31) /* PaX PCID based strong UDEREF */ - - /* Intel-defined CPU features, CPUID level 0x00000007:0 (ebx), word 9 */ - #define X86_FEATURE_FSGSBASE ( 9*32+ 0) /* {RD/WR}{FS/GS}BASE instructions*/ -@@ -214,7 +215,7 @@ - #define X86_FEATURE_BMI1 ( 9*32+ 3) /* 1st group bit manipulation extensions */ - #define X86_FEATURE_HLE ( 9*32+ 4) /* Hardware Lock Elision */ - #define X86_FEATURE_AVX2 ( 9*32+ 5) /* AVX2 instructions */ --#define X86_FEATURE_SMEP ( 9*32+ 7) /* Supervisor Mode Execution Protection */ -+#define X86_FEATURE_SMEP ( 9*32+ 7) /* Supervisor Mode Execution Prevention */ - #define X86_FEATURE_BMI2 ( 9*32+ 8) /* 2nd group bit manipulation extensions */ - #define X86_FEATURE_ERMS ( 9*32+ 9) /* Enhanced REP MOVSB/STOSB */ - #define X86_FEATURE_INVPCID ( 9*32+10) /* Invalidate Processor Context ID */ -diff --git a/arch/x86/include/asm/crypto/camellia.h b/arch/x86/include/asm/crypto/camellia.h -index bb93333..ee113c0 100644 ---- a/arch/x86/include/asm/crypto/camellia.h -+++ b/arch/x86/include/asm/crypto/camellia.h -@@ -39,34 +39,41 @@ extern int xts_camellia_setkey(struct crypto_tfm *tfm, const u8 *key, - /* regular block cipher functions */ - asmlinkage void __camellia_enc_blk(struct camellia_ctx *ctx, u8 *dst, - const u8 *src, bool xor); --asmlinkage void camellia_dec_blk(struct camellia_ctx *ctx, u8 *dst, -+asmlinkage void camellia_dec_blk(void *ctx, u8 *dst, - const u8 *src); - - /* 2-way parallel cipher functions */ - asmlinkage void __camellia_enc_blk_2way(struct camellia_ctx *ctx, u8 *dst, - const u8 *src, bool xor); --asmlinkage void camellia_dec_blk_2way(struct camellia_ctx *ctx, u8 *dst, -+asmlinkage void camellia_dec_blk_2way(void *ctx, u8 *dst, - const u8 *src); - - /* 16-way parallel cipher functions (avx/aes-ni) */ --asmlinkage void camellia_ecb_enc_16way(struct camellia_ctx *ctx, u8 *dst, -+asmlinkage void camellia_ecb_enc_16way(void *ctx, u8 *dst, - const u8 *src); --asmlinkage void camellia_ecb_dec_16way(struct camellia_ctx *ctx, u8 *dst, -+asmlinkage void camellia_ecb_dec_16way(void *ctx, u8 *dst, - const u8 *src); -+void roundsm16_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd(void *ctx, u8 *dst, const u8 *src) __rap_hash; -+void roundsm16_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab(void *ctx, u8 *dst, const u8 *src) __rap_hash; -+void roundsm32_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd(void *ctx, u8 *dst, const u8 *src) __rap_hash; -+void roundsm32_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab(void *ctx, u8 *dst, const u8 *src) __rap_hash; -+void __camellia_enc_blk16(void *ctx, u8 *dst, const u8 *src) __rap_hash; -+void __camellia_dec_blk16(void *ctx, u8 *dst, const u8 *src) __rap_hash; - --asmlinkage void camellia_cbc_dec_16way(struct camellia_ctx *ctx, u8 *dst, -+asmlinkage void camellia_cbc_dec_16way(void *ctx, u8 *dst, - const u8 *src); --asmlinkage void camellia_ctr_16way(struct camellia_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); -+asmlinkage void camellia_ctr_16way(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); - --asmlinkage void camellia_xts_enc_16way(struct camellia_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); --asmlinkage void camellia_xts_dec_16way(struct camellia_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); -+asmlinkage void camellia_xts_enc_16way(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); -+asmlinkage void camellia_xts_dec_16way(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); - --static inline void camellia_enc_blk(struct camellia_ctx *ctx, u8 *dst, -+static inline void camellia_enc_blk(void *_ctx, u8 *dst, - const u8 *src) - { -+ struct camellia_ctx *ctx = _ctx; - __camellia_enc_blk(ctx, dst, src, false); - } - -@@ -76,9 +83,10 @@ static inline void camellia_enc_blk_xor(struct camellia_ctx *ctx, u8 *dst, - __camellia_enc_blk(ctx, dst, src, true); - } - --static inline void camellia_enc_blk_2way(struct camellia_ctx *ctx, u8 *dst, -+static inline void camellia_enc_blk_2way(void *_ctx, u8 *dst, - const u8 *src) - { -+ struct camellia_ctx *ctx = _ctx; - __camellia_enc_blk_2way(ctx, dst, src, false); - } - -@@ -89,7 +97,7 @@ static inline void camellia_enc_blk_xor_2way(struct camellia_ctx *ctx, u8 *dst, - } - - /* glue helpers */ --extern void camellia_decrypt_cbc_2way(void *ctx, u128 *dst, const u128 *src); -+extern void camellia_decrypt_cbc_2way(void *ctx, u8 *dst, const u8 *src); - extern void camellia_crypt_ctr(void *ctx, u128 *dst, const u128 *src, - le128 *iv); - extern void camellia_crypt_ctr_2way(void *ctx, u128 *dst, const u128 *src, -diff --git a/arch/x86/include/asm/crypto/glue_helper.h b/arch/x86/include/asm/crypto/glue_helper.h -index 03bb106..9e7a45c 100644 ---- a/arch/x86/include/asm/crypto/glue_helper.h -+++ b/arch/x86/include/asm/crypto/glue_helper.h -@@ -11,16 +11,16 @@ - #include - - typedef void (*common_glue_func_t)(void *ctx, u8 *dst, const u8 *src); --typedef void (*common_glue_cbc_func_t)(void *ctx, u128 *dst, const u128 *src); -+typedef void (*common_glue_cbc_func_t)(void *ctx, u8 *dst, const u8 *src); - typedef void (*common_glue_ctr_func_t)(void *ctx, u128 *dst, const u128 *src, - le128 *iv); - typedef void (*common_glue_xts_func_t)(void *ctx, u128 *dst, const u128 *src, - le128 *iv); - --#define GLUE_FUNC_CAST(fn) ((common_glue_func_t)(fn)) --#define GLUE_CBC_FUNC_CAST(fn) ((common_glue_cbc_func_t)(fn)) --#define GLUE_CTR_FUNC_CAST(fn) ((common_glue_ctr_func_t)(fn)) --#define GLUE_XTS_FUNC_CAST(fn) ((common_glue_xts_func_t)(fn)) -+#define GLUE_FUNC_CAST(fn) (fn) -+#define GLUE_CBC_FUNC_CAST(fn) (fn) -+#define GLUE_CTR_FUNC_CAST(fn) (fn) -+#define GLUE_XTS_FUNC_CAST(fn) (fn) - - struct common_glue_func_entry { - unsigned int num_blocks; /* number of blocks that @fn will process */ -diff --git a/arch/x86/include/asm/crypto/serpent-avx.h b/arch/x86/include/asm/crypto/serpent-avx.h -index 33c2b8a..21976b7 100644 ---- a/arch/x86/include/asm/crypto/serpent-avx.h -+++ b/arch/x86/include/asm/crypto/serpent-avx.h -@@ -16,20 +16,22 @@ struct serpent_xts_ctx { - struct serpent_ctx crypt_ctx; - }; - --asmlinkage void serpent_ecb_enc_8way_avx(struct serpent_ctx *ctx, u8 *dst, -+asmlinkage void serpent_ecb_enc_8way_avx(void *ctx, u8 *dst, - const u8 *src); --asmlinkage void serpent_ecb_dec_8way_avx(struct serpent_ctx *ctx, u8 *dst, -+asmlinkage void serpent_ecb_dec_8way_avx(void *ctx, u8 *dst, - const u8 *src); -+void __serpent_enc_blk8_avx(void *ctx, u8 *dst, const u8 *src) __rap_hash; -+void __serpent_dec_blk8_avx(void *ctx, u8 *dst, const u8 *src) __rap_hash; - --asmlinkage void serpent_cbc_dec_8way_avx(struct serpent_ctx *ctx, u8 *dst, -+asmlinkage void serpent_cbc_dec_8way_avx(void *ctx, u8 *dst, - const u8 *src); --asmlinkage void serpent_ctr_8way_avx(struct serpent_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); -+asmlinkage void serpent_ctr_8way_avx(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); - --asmlinkage void serpent_xts_enc_8way_avx(struct serpent_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); --asmlinkage void serpent_xts_dec_8way_avx(struct serpent_ctx *ctx, u8 *dst, -- const u8 *src, le128 *iv); -+asmlinkage void serpent_xts_enc_8way_avx(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); -+asmlinkage void serpent_xts_dec_8way_avx(void *ctx, u128 *dst, -+ const u128 *src, le128 *iv); - - extern void __serpent_crypt_ctr(void *ctx, u128 *dst, const u128 *src, - le128 *iv); -diff --git a/arch/x86/include/asm/crypto/serpent-sse2.h b/arch/x86/include/asm/crypto/serpent-sse2.h -index e6e77df..fe42081 100644 ---- a/arch/x86/include/asm/crypto/serpent-sse2.h -+++ b/arch/x86/include/asm/crypto/serpent-sse2.h -@@ -13,7 +13,7 @@ asmlinkage void __serpent_enc_blk_4way(struct serpent_ctx *ctx, u8 *dst, - asmlinkage void serpent_dec_blk_4way(struct serpent_ctx *ctx, u8 *dst, - const u8 *src); - --static inline void serpent_enc_blk_xway(struct serpent_ctx *ctx, u8 *dst, -+static inline void serpent_enc_blk_xway(void *ctx, u8 *dst, - const u8 *src) - { - __serpent_enc_blk_4way(ctx, dst, src, false); -@@ -25,7 +25,7 @@ static inline void serpent_enc_blk_xway_xor(struct serpent_ctx *ctx, u8 *dst, - __serpent_enc_blk_4way(ctx, dst, src, true); - } - --static inline void serpent_dec_blk_xway(struct serpent_ctx *ctx, u8 *dst, -+static inline void serpent_dec_blk_xway(void *ctx, u8 *dst, - const u8 *src) - { - serpent_dec_blk_4way(ctx, dst, src); -@@ -40,7 +40,7 @@ asmlinkage void __serpent_enc_blk_8way(struct serpent_ctx *ctx, u8 *dst, - asmlinkage void serpent_dec_blk_8way(struct serpent_ctx *ctx, u8 *dst, - const u8 *src); - --static inline void serpent_enc_blk_xway(struct serpent_ctx *ctx, u8 *dst, -+static inline void serpent_enc_blk_xway(void *ctx, u8 *dst, - const u8 *src) - { - __serpent_enc_blk_8way(ctx, dst, src, false); -@@ -52,7 +52,7 @@ static inline void serpent_enc_blk_xway_xor(struct serpent_ctx *ctx, u8 *dst, - __serpent_enc_blk_8way(ctx, dst, src, true); - } - --static inline void serpent_dec_blk_xway(struct serpent_ctx *ctx, u8 *dst, -+static inline void serpent_dec_blk_xway(void *ctx, u8 *dst, - const u8 *src) - { - serpent_dec_blk_8way(ctx, dst, src); -diff --git a/arch/x86/include/asm/crypto/twofish.h b/arch/x86/include/asm/crypto/twofish.h -index 878c51c..86fc65f 100644 ---- a/arch/x86/include/asm/crypto/twofish.h -+++ b/arch/x86/include/asm/crypto/twofish.h -@@ -17,19 +17,19 @@ struct twofish_xts_ctx { - }; - - /* regular block cipher functions from twofish_x86_64 module */ --asmlinkage void twofish_enc_blk(struct twofish_ctx *ctx, u8 *dst, -+asmlinkage void twofish_enc_blk(void *ctx, u8 *dst, - const u8 *src); --asmlinkage void twofish_dec_blk(struct twofish_ctx *ctx, u8 *dst, -+asmlinkage void twofish_dec_blk(void *ctx, u8 *dst, - const u8 *src); - - /* 3-way parallel cipher functions */ --asmlinkage void __twofish_enc_blk_3way(struct twofish_ctx *ctx, u8 *dst, -+asmlinkage void __twofish_enc_blk_3way(void *ctx, u8 *dst, - const u8 *src, bool xor); --asmlinkage void twofish_dec_blk_3way(struct twofish_ctx *ctx, u8 *dst, -+asmlinkage void twofish_dec_blk_3way(void *ctx, u8 *dst, - const u8 *src); - - /* helpers from twofish_x86_64-3way module */ --extern void twofish_dec_blk_cbc_3way(void *ctx, u128 *dst, const u128 *src); -+extern void twofish_dec_blk_cbc_3way(void *ctx, u8 *dst, const u8 *src); - extern void twofish_enc_blk_ctr(void *ctx, u128 *dst, const u128 *src, - le128 *iv); - extern void twofish_enc_blk_ctr_3way(void *ctx, u128 *dst, const u128 *src, -diff --git a/arch/x86/include/asm/current.h b/arch/x86/include/asm/current.h -index 9476c04..8d1cda4 100644 ---- a/arch/x86/include/asm/current.h -+++ b/arch/x86/include/asm/current.h -@@ -16,6 +16,11 @@ static __always_inline struct task_struct *get_current(void) - - #define current get_current() - -+#else -+ -+#define GET_CURRENT(reg) \ -+ _ASM_MOV PER_CPU_VAR(current_task),reg ; -+ - #endif /* __ASSEMBLY__ */ - - #endif /* _ASM_X86_CURRENT_H */ -diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h -index 12080d8..7319a47 100644 ---- a/arch/x86/include/asm/desc.h -+++ b/arch/x86/include/asm/desc.h -@@ -4,6 +4,7 @@ - #include - #include - #include -+#include - - #include - #include -@@ -17,6 +18,7 @@ static inline void fill_ldt(struct desc_struct *desc, const struct user_desc *in - - desc->type = (info->read_exec_only ^ 1) << 1; - desc->type |= info->contents << 2; -+ desc->type |= info->seg_not_present ^ 1; - - desc->s = 1; - desc->dpl = 0x3; -@@ -35,19 +37,14 @@ static inline void fill_ldt(struct desc_struct *desc, const struct user_desc *in - } - - extern struct desc_ptr idt_descr; --extern gate_desc idt_table[]; -+extern gate_desc idt_table[IDT_ENTRIES]; - extern const struct desc_ptr debug_idt_descr; --extern gate_desc debug_idt_table[]; -- --struct gdt_page { -- struct desc_struct gdt[GDT_ENTRIES]; --} __attribute__((aligned(PAGE_SIZE))); -- --DECLARE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page); -+extern gate_desc debug_idt_table[IDT_ENTRIES]; - -+extern struct desc_struct cpu_gdt_table[NR_CPUS][PAGE_SIZE / sizeof(struct desc_struct)]; - static inline struct desc_struct *get_cpu_gdt_table(unsigned int cpu) - { -- return per_cpu(gdt_page, cpu).gdt; -+ return cpu_gdt_table[cpu]; - } - - #ifdef CONFIG_X86_64 -@@ -72,8 +69,14 @@ static inline void pack_gate(gate_desc *gate, unsigned char type, - unsigned long base, unsigned dpl, unsigned flags, - unsigned short seg) - { -- gate->a = (seg << 16) | (base & 0xffff); -- gate->b = (base & 0xffff0000) | (((0x80 | type | (dpl << 5)) & 0xff) << 8); -+ gate->gate.offset_low = base; -+ gate->gate.seg = seg; -+ gate->gate.reserved = 0; -+ gate->gate.type = type; -+ gate->gate.s = 0; -+ gate->gate.dpl = dpl; -+ gate->gate.p = 1; -+ gate->gate.offset_high = base >> 16; - } - - #endif -@@ -118,12 +121,16 @@ static inline void paravirt_free_ldt(struct desc_struct *ldt, unsigned entries) - - static inline void native_write_idt_entry(gate_desc *idt, int entry, const gate_desc *gate) - { -+ pax_open_kernel(); - memcpy(&idt[entry], gate, sizeof(*gate)); -+ pax_close_kernel(); - } - - static inline void native_write_ldt_entry(struct desc_struct *ldt, int entry, const void *desc) - { -+ pax_open_kernel(); - memcpy(&ldt[entry], desc, 8); -+ pax_close_kernel(); - } - - static inline void -@@ -137,7 +144,9 @@ native_write_gdt_entry(struct desc_struct *gdt, int entry, const void *desc, int - default: size = sizeof(*gdt); break; - } - -+ pax_open_kernel(); - memcpy(&gdt[entry], desc, size); -+ pax_close_kernel(); - } - - static inline void pack_descriptor(struct desc_struct *desc, unsigned long base, -@@ -210,7 +219,9 @@ static inline void native_set_ldt(const void *addr, unsigned int entries) - - static inline void native_load_tr_desc(void) - { -+ pax_open_kernel(); - asm volatile("ltr %w0"::"q" (GDT_ENTRY_TSS*8)); -+ pax_close_kernel(); - } - - static inline void native_load_gdt(const struct desc_ptr *dtr) -@@ -247,8 +258,10 @@ static inline void native_load_tls(struct thread_struct *t, unsigned int cpu) - struct desc_struct *gdt = get_cpu_gdt_table(cpu); - unsigned int i; - -+ pax_open_kernel(); - for (i = 0; i < GDT_ENTRY_TLS_ENTRIES; i++) - gdt[GDT_ENTRY_TLS_MIN + i] = t->tls_array[i]; -+ pax_close_kernel(); - } - - /* This intentionally ignores lm, since 32-bit apps don't have that field. */ -@@ -280,7 +293,7 @@ static inline void clear_LDT(void) - set_ldt(NULL, 0); - } - --static inline unsigned long get_desc_base(const struct desc_struct *desc) -+static inline unsigned long __intentional_overflow(-1) get_desc_base(const struct desc_struct *desc) - { - return (unsigned)(desc->base0 | ((desc->base1) << 16) | ((desc->base2) << 24)); - } -@@ -304,7 +317,7 @@ static inline void set_desc_limit(struct desc_struct *desc, unsigned long limit) - } - - #ifdef CONFIG_X86_64 --static inline void set_nmi_gate(int gate, void *addr) -+static inline void set_nmi_gate(int gate, const void *addr) - { - gate_desc s; - -@@ -314,14 +327,14 @@ static inline void set_nmi_gate(int gate, void *addr) - #endif - - #ifdef CONFIG_TRACING --extern struct desc_ptr trace_idt_descr; --extern gate_desc trace_idt_table[]; -+extern const struct desc_ptr trace_idt_descr; -+extern gate_desc trace_idt_table[IDT_ENTRIES]; - static inline void write_trace_idt_entry(int entry, const gate_desc *gate) - { - write_idt_entry(trace_idt_table, entry, gate); - } - --static inline void _trace_set_gate(int gate, unsigned type, void *addr, -+static inline void _trace_set_gate(int gate, unsigned type, const void *addr, - unsigned dpl, unsigned ist, unsigned seg) - { - gate_desc s; -@@ -341,7 +354,7 @@ static inline void write_trace_idt_entry(int entry, const gate_desc *gate) - #define _trace_set_gate(gate, type, addr, dpl, ist, seg) - #endif - --static inline void _set_gate(int gate, unsigned type, void *addr, -+static inline void _set_gate(int gate, unsigned type, const void *addr, - unsigned dpl, unsigned ist, unsigned seg) - { - gate_desc s; -@@ -364,14 +377,14 @@ static inline void _set_gate(int gate, unsigned type, void *addr, - #define set_intr_gate_notrace(n, addr) \ - do { \ - BUG_ON((unsigned)n > 0xFF); \ -- _set_gate(n, GATE_INTERRUPT, (void *)addr, 0, 0, \ -+ _set_gate(n, GATE_INTERRUPT, (const void *)addr, 0, 0, \ - __KERNEL_CS); \ - } while (0) - - #define set_intr_gate(n, addr) \ - do { \ - set_intr_gate_notrace(n, addr); \ -- _trace_set_gate(n, GATE_INTERRUPT, (void *)trace_##addr,\ -+ _trace_set_gate(n, GATE_INTERRUPT, (const void *)trace_##addr,\ - 0, 0, __KERNEL_CS); \ - } while (0) - -@@ -399,19 +412,19 @@ static inline void alloc_system_vector(int vector) - /* - * This routine sets up an interrupt gate at directory privilege level 3. - */ --static inline void set_system_intr_gate(unsigned int n, void *addr) -+static inline void set_system_intr_gate(unsigned int n, const void *addr) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_INTERRUPT, addr, 0x3, 0, __KERNEL_CS); - } - --static inline void set_system_trap_gate(unsigned int n, void *addr) -+static inline void set_system_trap_gate(unsigned int n, const void *addr) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_TRAP, addr, 0x3, 0, __KERNEL_CS); - } - --static inline void set_trap_gate(unsigned int n, void *addr) -+static inline void set_trap_gate(unsigned int n, const void *addr) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_TRAP, addr, 0, 0, __KERNEL_CS); -@@ -420,16 +433,16 @@ static inline void set_trap_gate(unsigned int n, void *addr) - static inline void set_task_gate(unsigned int n, unsigned int gdt_entry) - { - BUG_ON((unsigned)n > 0xFF); -- _set_gate(n, GATE_TASK, (void *)0, 0, 0, (gdt_entry<<3)); -+ _set_gate(n, GATE_TASK, (const void *)0, 0, 0, (gdt_entry<<3)); - } - --static inline void set_intr_gate_ist(int n, void *addr, unsigned ist) -+static inline void set_intr_gate_ist(int n, const void *addr, unsigned ist) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_INTERRUPT, addr, 0, ist, __KERNEL_CS); - } - --static inline void set_system_intr_gate_ist(int n, void *addr, unsigned ist) -+static inline void set_system_intr_gate_ist(int n, const void *addr, unsigned ist) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_INTERRUPT, addr, 0x3, ist, __KERNEL_CS); -@@ -501,4 +514,17 @@ static inline void load_current_idt(void) - else - load_idt((const struct desc_ptr *)&idt_descr); - } -+ -+#ifdef CONFIG_X86_32 -+static inline void set_user_cs(unsigned long base, unsigned long limit, int cpu) -+{ -+ struct desc_struct d; -+ -+ if (likely(limit)) -+ limit = (limit - 1UL) >> PAGE_SHIFT; -+ pack_descriptor(&d, base, limit, 0xFB, 0xC); -+ write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_DEFAULT_USER_CS, &d, DESCTYPE_S); -+} -+#endif -+ - #endif /* _ASM_X86_DESC_H */ -diff --git a/arch/x86/include/asm/desc_defs.h b/arch/x86/include/asm/desc_defs.h -index eb5deb4..ec19436 100644 ---- a/arch/x86/include/asm/desc_defs.h -+++ b/arch/x86/include/asm/desc_defs.h -@@ -31,6 +31,12 @@ struct desc_struct { - unsigned base1: 8, type: 4, s: 1, dpl: 2, p: 1; - unsigned limit: 4, avl: 1, l: 1, d: 1, g: 1, base2: 8; - }; -+ struct { -+ u16 offset_low; -+ u16 seg; -+ unsigned reserved: 8, type: 4, s: 1, dpl: 2, p: 1; -+ unsigned offset_high: 16; -+ } gate; - }; - } __attribute__((packed)); - -diff --git a/arch/x86/include/asm/div64.h b/arch/x86/include/asm/div64.h -index ced283a..ffe04cc 100644 ---- a/arch/x86/include/asm/div64.h -+++ b/arch/x86/include/asm/div64.h -@@ -39,7 +39,7 @@ - __mod; \ - }) - --static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) -+static inline u64 __intentional_overflow(-1) div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) - { - union { - u64 v64; -diff --git a/arch/x86/include/asm/dma.h b/arch/x86/include/asm/dma.h -index fe884e1..46149ae 100644 ---- a/arch/x86/include/asm/dma.h -+++ b/arch/x86/include/asm/dma.h -@@ -149,6 +149,7 @@ - #ifdef CONFIG_ISA_DMA_API - extern spinlock_t dma_spin_lock; - -+static inline unsigned long claim_dma_lock(void) __acquires(&dma_spin_lock); - static inline unsigned long claim_dma_lock(void) - { - unsigned long flags; -@@ -156,6 +157,7 @@ static inline unsigned long claim_dma_lock(void) - return flags; - } - -+static inline void release_dma_lock(unsigned long flags) __releases(&dma_spin_lock); - static inline void release_dma_lock(unsigned long flags) - { - spin_unlock_irqrestore(&dma_spin_lock, flags); -diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h -index 389d700..fa51266 100644 ---- a/arch/x86/include/asm/efi.h -+++ b/arch/x86/include/asm/efi.h -@@ -150,6 +150,11 @@ static inline bool efi_is_native(void) - - static inline bool efi_runtime_supported(void) - { -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ return false; -+#endif -+ - if (efi_is_native()) - return true; - -diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h -index e7f155c..8611814 100644 ---- a/arch/x86/include/asm/elf.h -+++ b/arch/x86/include/asm/elf.h -@@ -75,9 +75,6 @@ typedef struct user_fxsr_struct elf_fpxregset_t; - - #include - --#ifdef CONFIG_X86_64 --extern unsigned int vdso64_enabled; --#endif - #if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION) - extern unsigned int vdso32_enabled; - #endif -@@ -250,7 +247,25 @@ extern int force_personality32; - the loader. We need to make sure that it is out of the way of the program - that it will "exec", and that there is sufficient room for the brk. */ - -+#ifdef CONFIG_PAX_SEGMEXEC -+#define ELF_ET_DYN_BASE ((current->mm->pax_flags & MF_PAX_SEGMEXEC) ? SEGMEXEC_TASK_SIZE/3*2 : TASK_SIZE/3*2) -+#else - #define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) -+#endif -+ -+#ifdef CONFIG_PAX_ASLR -+#ifdef CONFIG_X86_32 -+#define PAX_ELF_ET_DYN_BASE 0x10000000UL -+ -+#define PAX_DELTA_MMAP_LEN (current->mm->pax_flags & MF_PAX_SEGMEXEC ? 15 : 16) -+#define PAX_DELTA_STACK_LEN (current->mm->pax_flags & MF_PAX_SEGMEXEC ? 15 : 16) -+#else -+#define PAX_ELF_ET_DYN_BASE 0x400000UL -+ -+#define PAX_DELTA_MMAP_LEN ((test_thread_flag(TIF_ADDR32)) ? 16 : TASK_SIZE_MAX_SHIFT - PAGE_SHIFT - 3) -+#define PAX_DELTA_STACK_LEN ((test_thread_flag(TIF_ADDR32)) ? 16 : TASK_SIZE_MAX_SHIFT - PAGE_SHIFT - 3) -+#endif -+#endif - - /* This yields a mask that user programs can use to figure out what - instruction set this CPU supports. This could be done in user space, -@@ -299,17 +314,13 @@ do { \ - - #define ARCH_DLINFO \ - do { \ -- if (vdso64_enabled) \ -- NEW_AUX_ENT(AT_SYSINFO_EHDR, \ -- (unsigned long __force)current->mm->context.vdso); \ -+ NEW_AUX_ENT(AT_SYSINFO_EHDR, current->mm->context.vdso); \ - } while (0) - - /* As a historical oddity, the x32 and x86_64 vDSOs are controlled together. */ - #define ARCH_DLINFO_X32 \ - do { \ -- if (vdso64_enabled) \ -- NEW_AUX_ENT(AT_SYSINFO_EHDR, \ -- (unsigned long __force)current->mm->context.vdso); \ -+ NEW_AUX_ENT(AT_SYSINFO_EHDR, current->mm->context.vdso); \ - } while (0) - - #define AT_SYSINFO 32 -@@ -324,10 +335,10 @@ else \ - - #endif /* !CONFIG_X86_32 */ - --#define VDSO_CURRENT_BASE ((unsigned long)current->mm->context.vdso) -+#define VDSO_CURRENT_BASE (current->mm->context.vdso) - - #define VDSO_ENTRY \ -- ((unsigned long)current->mm->context.vdso + \ -+ (current->mm->context.vdso + \ - vdso_image_32.sym___kernel_vsyscall) - - struct linux_binprm; -diff --git a/arch/x86/include/asm/emergency-restart.h b/arch/x86/include/asm/emergency-restart.h -index 77a99ac..39ff7f5 100644 ---- a/arch/x86/include/asm/emergency-restart.h -+++ b/arch/x86/include/asm/emergency-restart.h -@@ -1,6 +1,6 @@ - #ifndef _ASM_X86_EMERGENCY_RESTART_H - #define _ASM_X86_EMERGENCY_RESTART_H - --extern void machine_emergency_restart(void); -+extern void machine_emergency_restart(void) __noreturn; - - #endif /* _ASM_X86_EMERGENCY_RESTART_H */ -diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h -index 8554f96..6c58add9 100644 ---- a/arch/x86/include/asm/fixmap.h -+++ b/arch/x86/include/asm/fixmap.h -@@ -142,7 +142,7 @@ extern pte_t *kmap_pte; - extern pte_t *pkmap_page_table; - - void __native_set_fixmap(enum fixed_addresses idx, pte_t pte); --void native_set_fixmap(enum fixed_addresses idx, -+void native_set_fixmap(unsigned int idx, - phys_addr_t phys, pgprot_t flags); - - #ifndef CONFIG_PARAVIRT -diff --git a/arch/x86/include/asm/floppy.h b/arch/x86/include/asm/floppy.h -index 1c7eefe..d0e4702 100644 ---- a/arch/x86/include/asm/floppy.h -+++ b/arch/x86/include/asm/floppy.h -@@ -229,18 +229,18 @@ static struct fd_routine_l { - int (*_dma_setup)(char *addr, unsigned long size, int mode, int io); - } fd_routine[] = { - { -- request_dma, -- free_dma, -- get_dma_residue, -- dma_mem_alloc, -- hard_dma_setup -+ ._request_dma = request_dma, -+ ._free_dma = free_dma, -+ ._get_dma_residue = get_dma_residue, -+ ._dma_mem_alloc = dma_mem_alloc, -+ ._dma_setup = hard_dma_setup - }, - { -- vdma_request_dma, -- vdma_nop, -- vdma_get_dma_residue, -- vdma_mem_alloc, -- vdma_dma_setup -+ ._request_dma = vdma_request_dma, -+ ._free_dma = vdma_nop, -+ ._get_dma_residue = vdma_get_dma_residue, -+ ._dma_mem_alloc = vdma_mem_alloc, -+ ._dma_setup = vdma_dma_setup - } - }; - -diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h -index 2737366..e152d4b 100644 ---- a/arch/x86/include/asm/fpu/internal.h -+++ b/arch/x86/include/asm/fpu/internal.h -@@ -102,9 +102,11 @@ extern void fpstate_sanitize_xstate(struct fpu *fpu); - #define user_insn(insn, output, input...) \ - ({ \ - int err; \ -- asm volatile(ASM_STAC "\n" \ -- "1:" #insn "\n\t" \ -- "2: " ASM_CLAC "\n" \ -+ user_access_begin(); \ -+ asm volatile("1:" \ -+ __copyuser_seg \ -+ #insn "\n\t" \ -+ "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "3: movl $-1,%[err]\n" \ - " jmp 2b\n" \ -@@ -112,6 +114,7 @@ extern void fpstate_sanitize_xstate(struct fpu *fpu); - _ASM_EXTABLE(1b, 3b) \ - : [err] "=r" (err), output \ - : "0"(0), input); \ -+ user_access_end(); \ - err; \ - }) - -@@ -191,9 +194,9 @@ static inline int copy_user_to_fregs(struct fregs_state __user *fx) - static inline void copy_fxregs_to_kernel(struct fpu *fpu) - { - if (IS_ENABLED(CONFIG_X86_32)) -- asm volatile( "fxsave %[fx]" : [fx] "=m" (fpu->state.fxsave)); -+ asm volatile( "fxsave %[fx]" : [fx] "=m" (fpu->state->fxsave)); - else if (IS_ENABLED(CONFIG_AS_FXSAVEQ)) -- asm volatile("fxsaveq %[fx]" : [fx] "=m" (fpu->state.fxsave)); -+ asm volatile("fxsaveq %[fx]" : [fx] "=m" (fpu->state->fxsave)); - else { - /* Using "rex64; fxsave %0" is broken because, if the memory - * operand uses any extended registers for addressing, a second -@@ -210,15 +213,15 @@ static inline void copy_fxregs_to_kernel(struct fpu *fpu) - * an extended register is needed for addressing (fix submitted - * to mainline 2005-11-21). - * -- * asm volatile("rex64/fxsave %0" : "=m" (fpu->state.fxsave)); -+ * asm volatile("rex64/fxsave %0" : "=m" (fpu->state->fxsave)); - * - * This, however, we can work around by forcing the compiler to - * select an addressing mode that doesn't require extended - * registers. - */ - asm volatile( "rex64/fxsave (%[fx])" -- : "=m" (fpu->state.fxsave) -- : [fx] "R" (&fpu->state.fxsave)); -+ : "=m" (fpu->state->fxsave) -+ : [fx] "R" (&fpu->state->fxsave)); - } - } - -@@ -390,9 +393,9 @@ static inline int copy_xregs_to_user(struct xregs_state __user *buf) - if (unlikely(err)) - return -EFAULT; - -- stac(); -- XSTATE_OP(XSAVE, buf, -1, -1, err); -- clac(); -+ user_access_begin(); -+ XSTATE_OP(__copyuser_seg XSAVE, buf, -1, -1, err); -+ user_access_end(); - - return err; - } -@@ -402,14 +405,14 @@ static inline int copy_xregs_to_user(struct xregs_state __user *buf) - */ - static inline int copy_user_to_xregs(struct xregs_state __user *buf, u64 mask) - { -- struct xregs_state *xstate = ((__force struct xregs_state *)buf); -+ struct xregs_state *xstate = ((__force_kernel struct xregs_state *)buf); - u32 lmask = mask; - u32 hmask = mask >> 32; - int err; - -- stac(); -- XSTATE_OP(XRSTOR, xstate, lmask, hmask, err); -- clac(); -+ user_access_begin(); -+ XSTATE_OP(__copyuser_seg XRSTOR, xstate, lmask, hmask, err); -+ user_access_end(); - - return err; - } -@@ -427,7 +430,7 @@ static inline int copy_user_to_xregs(struct xregs_state __user *buf, u64 mask) - static inline int copy_fpregs_to_fpstate(struct fpu *fpu) - { - if (likely(use_xsave())) { -- copy_xregs_to_kernel(&fpu->state.xsave); -+ copy_xregs_to_kernel(&fpu->state->xsave); - return 1; - } - -@@ -440,7 +443,7 @@ static inline int copy_fpregs_to_fpstate(struct fpu *fpu) - * Legacy FPU register saving, FNSAVE always clears FPU registers, - * so we have to mark them inactive: - */ -- asm volatile("fnsave %[fp]; fwait" : [fp] "=m" (fpu->state.fsave)); -+ asm volatile("fnsave %[fp]; fwait" : [fp] "=m" (fpu->state->fsave)); - - return 0; - } -@@ -469,7 +472,7 @@ static inline void copy_kernel_to_fpregs(union fpregs_state *fpstate) - "fnclex\n\t" - "emms\n\t" - "fildl %P[addr]" /* set F?P to defined value */ -- : : [addr] "m" (fpstate)); -+ : : [addr] "m" (cpu_tss[raw_smp_processor_id()].x86_tss.sp0)); - } - - __copy_kernel_to_fpregs(fpstate); -@@ -614,7 +617,7 @@ switch_fpu_prepare(struct fpu *old_fpu, struct fpu *new_fpu, int cpu) - new_fpu->counter++; - __fpregs_activate(new_fpu); - trace_x86_fpu_regs_activated(new_fpu); -- prefetch(&new_fpu->state); -+ prefetch(new_fpu->state); - } else { - __fpregs_deactivate_hw(); - } -@@ -626,7 +629,7 @@ switch_fpu_prepare(struct fpu *old_fpu, struct fpu *new_fpu, int cpu) - if (fpu_want_lazy_restore(new_fpu, cpu)) - fpu.preload = 0; - else -- prefetch(&new_fpu->state); -+ prefetch(new_fpu->state); - fpregs_activate(new_fpu); - } - } -@@ -646,7 +649,7 @@ switch_fpu_prepare(struct fpu *old_fpu, struct fpu *new_fpu, int cpu) - static inline void switch_fpu_finish(struct fpu *new_fpu, fpu_switch_t fpu_switch) - { - if (fpu_switch.preload) -- copy_kernel_to_fpregs(&new_fpu->state); -+ copy_kernel_to_fpregs(new_fpu->state); - } - - /* -diff --git a/arch/x86/include/asm/fpu/types.h b/arch/x86/include/asm/fpu/types.h -index 48df486..e32babd 100644 ---- a/arch/x86/include/asm/fpu/types.h -+++ b/arch/x86/include/asm/fpu/types.h -@@ -276,6 +276,39 @@ union fpregs_state { - */ - struct fpu { - /* -+ * @state: -+ * -+ * In-memory copy of all FPU registers that we save/restore -+ * over context switches. If the task is using the FPU then -+ * the registers in the FPU are more recent than this state -+ * copy. If the task context-switches away then they get -+ * saved here and represent the FPU state. -+ * -+ * After context switches there may be a (short) time period -+ * during which the in-FPU hardware registers are unchanged -+ * and still perfectly match this state, if the tasks -+ * scheduled afterwards are not using the FPU. -+ * -+ * This is the 'lazy restore' window of optimization, which -+ * we track though 'fpu_fpregs_owner_ctx' and 'fpu->last_cpu'. -+ * -+ * We detect whether a subsequent task uses the FPU via setting -+ * CR0::TS to 1, which causes any FPU use to raise a #NM fault. -+ * -+ * During this window, if the task gets scheduled again, we -+ * might be able to skip having to do a restore from this -+ * memory buffer to the hardware registers - at the cost of -+ * incurring the overhead of #NM fault traps. -+ * -+ * Note that on modern CPUs that support the XSAVEOPT (or other -+ * optimized XSAVE instructions), we don't use #NM traps anymore, -+ * as the hardware can track whether FPU registers need saving -+ * or not. On such CPUs we activate the non-lazy ('eagerfpu') -+ * logic, which unconditionally saves/restores all FPU state -+ * across context switches. (if FPU state exists.) -+ */ -+ union fpregs_state *state; -+ /* - * @last_cpu: - * - * Records the last CPU on which this context was loaded into -@@ -332,43 +365,6 @@ struct fpu { - * deal with bursty apps that only use the FPU for a short time: - */ - unsigned char counter; -- /* -- * @state: -- * -- * In-memory copy of all FPU registers that we save/restore -- * over context switches. If the task is using the FPU then -- * the registers in the FPU are more recent than this state -- * copy. If the task context-switches away then they get -- * saved here and represent the FPU state. -- * -- * After context switches there may be a (short) time period -- * during which the in-FPU hardware registers are unchanged -- * and still perfectly match this state, if the tasks -- * scheduled afterwards are not using the FPU. -- * -- * This is the 'lazy restore' window of optimization, which -- * we track though 'fpu_fpregs_owner_ctx' and 'fpu->last_cpu'. -- * -- * We detect whether a subsequent task uses the FPU via setting -- * CR0::TS to 1, which causes any FPU use to raise a #NM fault. -- * -- * During this window, if the task gets scheduled again, we -- * might be able to skip having to do a restore from this -- * memory buffer to the hardware registers - at the cost of -- * incurring the overhead of #NM fault traps. -- * -- * Note that on modern CPUs that support the XSAVEOPT (or other -- * optimized XSAVE instructions), we don't use #NM traps anymore, -- * as the hardware can track whether FPU registers need saving -- * or not. On such CPUs we activate the non-lazy ('eagerfpu') -- * logic, which unconditionally saves/restores all FPU state -- * across context switches. (if FPU state exists.) -- */ -- union fpregs_state state; -- /* -- * WARNING: 'state' is dynamically-sized. Do not put -- * anything after it here. -- */ - }; - - #endif /* _ASM_X86_FPU_H */ -diff --git a/arch/x86/include/asm/fpu/xstate.h b/arch/x86/include/asm/fpu/xstate.h -index 430bacf..d0fbcf0 100644 ---- a/arch/x86/include/asm/fpu/xstate.h -+++ b/arch/x86/include/asm/fpu/xstate.h -@@ -43,6 +43,7 @@ - #define REX_PREFIX - #endif - -+extern unsigned int xstate_size; - extern u64 xfeatures_mask; - extern u64 xstate_fx_sw_bytes[USER_XSTATE_FX_SW_WORDS]; - -diff --git a/arch/x86/include/asm/futex.h b/arch/x86/include/asm/futex.h -index b4c1f54..726053d 100644 ---- a/arch/x86/include/asm/futex.h -+++ b/arch/x86/include/asm/futex.h -@@ -12,25 +12,25 @@ - #include - - #define __futex_atomic_op1(insn, ret, oldval, uaddr, oparg) \ -- asm volatile("\t" ASM_STAC "\n" \ -- "1:\t" insn "\n" \ -- "2:\t" ASM_CLAC "\n" \ -+ typecheck(u32 __user *, uaddr); \ -+ asm volatile("1:\t" insn "\n" \ -+ "2:\t\n" \ - "\t.section .fixup,\"ax\"\n" \ - "3:\tmov\t%3, %1\n" \ - "\tjmp\t2b\n" \ - "\t.previous\n" \ - _ASM_EXTABLE(1b, 3b) \ -- : "=r" (oldval), "=r" (ret), "+m" (*uaddr) \ -+ : "=r" (oldval), "=r" (ret), "+m" (*(u32 __user *)____m(uaddr)) \ - : "i" (-EFAULT), "0" (oparg), "1" (0)) - - #define __futex_atomic_op2(insn, ret, oldval, uaddr, oparg) \ -- asm volatile("\t" ASM_STAC "\n" \ -- "1:\tmovl %2, %0\n" \ -+ typecheck(u32 __user *, uaddr); \ -+ asm volatile("1:\tmovl %2, %0\n" \ - "\tmovl\t%0, %3\n" \ - "\t" insn "\n" \ -- "2:\t" LOCK_PREFIX "cmpxchgl %3, %2\n" \ -+ "2:\t" LOCK_PREFIX __copyuser_seg"cmpxchgl %3, %2\n" \ - "\tjnz\t1b\n" \ -- "3:\t" ASM_CLAC "\n" \ -+ "3:\t\n" \ - "\t.section .fixup,\"ax\"\n" \ - "4:\tmov\t%5, %1\n" \ - "\tjmp\t3b\n" \ -@@ -38,7 +38,7 @@ - _ASM_EXTABLE(1b, 4b) \ - _ASM_EXTABLE(2b, 4b) \ - : "=&a" (oldval), "=&r" (ret), \ -- "+m" (*uaddr), "=&r" (tem) \ -+ "+m" (*(u32 __user *)____m(uaddr)), "=&r" (tem) \ - : "r" (oparg), "i" (-EFAULT), "1" (0)) - - static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) -@@ -57,12 +57,13 @@ static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) - - pagefault_disable(); - -+ user_access_begin(); - switch (op) { - case FUTEX_OP_SET: -- __futex_atomic_op1("xchgl %0, %2", ret, oldval, uaddr, oparg); -+ __futex_atomic_op1(__copyuser_seg"xchgl %0, %2", ret, oldval, uaddr, oparg); - break; - case FUTEX_OP_ADD: -- __futex_atomic_op1(LOCK_PREFIX "xaddl %0, %2", ret, oldval, -+ __futex_atomic_op1(LOCK_PREFIX __copyuser_seg"xaddl %0, %2", ret, oldval, - uaddr, oparg); - break; - case FUTEX_OP_OR: -@@ -77,6 +78,7 @@ static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) - default: - ret = -ENOSYS; - } -+ user_access_end(); - - pagefault_enable(); - -diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h -index b90e105..30a5950 100644 ---- a/arch/x86/include/asm/hw_irq.h -+++ b/arch/x86/include/asm/hw_irq.h -@@ -164,8 +164,8 @@ static inline void unlock_vector_lock(void) {} - #endif /* CONFIG_X86_LOCAL_APIC */ - - /* Statistics */ --extern atomic_t irq_err_count; --extern atomic_t irq_mis_count; -+extern atomic_unchecked_t irq_err_count; -+extern atomic_unchecked_t irq_mis_count; - - extern void elcr_set_level_irq(unsigned int irq); - -diff --git a/arch/x86/include/asm/hypervisor.h b/arch/x86/include/asm/hypervisor.h -index 67942b6..176a8b4 100644 ---- a/arch/x86/include/asm/hypervisor.h -+++ b/arch/x86/include/asm/hypervisor.h -@@ -46,7 +46,7 @@ struct hypervisor_x86 { - - /* pin current vcpu to specified physical cpu (run rarely) */ - void (*pin_vcpu)(int); --}; -+} __do_const; - - extern const struct hypervisor_x86 *x86_hyper; - -diff --git a/arch/x86/include/asm/i8259.h b/arch/x86/include/asm/i8259.h -index 39bcefc..272d904 100644 ---- a/arch/x86/include/asm/i8259.h -+++ b/arch/x86/include/asm/i8259.h -@@ -63,7 +63,7 @@ struct legacy_pic { - int (*probe)(void); - int (*irq_pending)(unsigned int irq); - void (*make_irq)(unsigned int irq); --}; -+} __do_const; - - extern struct legacy_pic *legacy_pic; - extern struct legacy_pic null_legacy_pic; -diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h -index d34bd37..08f3231 100644 ---- a/arch/x86/include/asm/io.h -+++ b/arch/x86/include/asm/io.h -@@ -42,6 +42,7 @@ - #include - #include - #include -+#include - - #define build_mmio_read(name, size, type, reg, barrier) \ - static inline type name(const volatile void __iomem *addr) \ -@@ -54,12 +55,12 @@ static inline void name(type val, volatile void __iomem *addr) \ - "m" (*(volatile type __force *)addr) barrier); } - - build_mmio_read(readb, "b", unsigned char, "=q", :"memory") --build_mmio_read(readw, "w", unsigned short, "=r", :"memory") --build_mmio_read(readl, "l", unsigned int, "=r", :"memory") -+build_mmio_read(__intentional_overflow(-1) readw, "w", unsigned short, "=r", :"memory") -+build_mmio_read(__intentional_overflow(-1) readl, "l", unsigned int, "=r", :"memory") - - build_mmio_read(__readb, "b", unsigned char, "=q", ) --build_mmio_read(__readw, "w", unsigned short, "=r", ) --build_mmio_read(__readl, "l", unsigned int, "=r", ) -+build_mmio_read(__intentional_overflow(-1) __readw, "w", unsigned short, "=r", ) -+build_mmio_read(__intentional_overflow(-1) __readl, "l", unsigned int, "=r", ) - - build_mmio_write(writeb, "b", unsigned char, "q", :"memory") - build_mmio_write(writew, "w", unsigned short, "r", :"memory") -@@ -115,7 +116,7 @@ build_mmio_write(writeq, "q", unsigned long, "r", :"memory") - * this function - */ - --static inline phys_addr_t virt_to_phys(volatile void *address) -+static inline phys_addr_t __intentional_overflow(-1) virt_to_phys(volatile void *address) - { - return __pa(address); - } -@@ -194,7 +195,7 @@ static inline void __iomem *ioremap(resource_size_t offset, unsigned long size) - return ioremap_nocache(offset, size); - } - --extern void iounmap(volatile void __iomem *addr); -+extern void iounmap(const volatile void __iomem *addr); - - extern void set_iounmap_nonlazy(void); - -@@ -202,6 +203,17 @@ extern void set_iounmap_nonlazy(void); - - #include - -+#define ARCH_HAS_VALID_PHYS_ADDR_RANGE -+static inline int valid_phys_addr_range(unsigned long addr, size_t count) -+{ -+ return ((addr + count + PAGE_SIZE - 1) >> PAGE_SHIFT) < (1ULL << (boot_cpu_data.x86_phys_bits - PAGE_SHIFT)) ? 1 : 0; -+} -+ -+static inline int valid_mmap_phys_addr_range(unsigned long pfn, size_t count) -+{ -+ return (pfn + (count >> PAGE_SHIFT)) < (1ULL << (boot_cpu_data.x86_phys_bits - PAGE_SHIFT)) ? 1 : 0; -+} -+ - /* - * Convert a virtual cached pointer to an uncached pointer - */ -diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h -index 6ca9fd6..4dbd5e2 100644 ---- a/arch/x86/include/asm/irq_vectors.h -+++ b/arch/x86/include/asm/irq_vectors.h -@@ -48,6 +48,10 @@ - - #define IA32_SYSCALL_VECTOR 0x80 - -+#define X86_REFCOUNT_VECTOR 0x81 /* Refcount Overflow or Underflow Exception */ -+//#define X86_RAP_CALL_VECTOR 0x82 /* RAP Indirect Call Violation Exception */ -+//#define X86_RAP_RET_VECTOR 0x83 /* RAP Function Return Violation Exception */ -+ - /* - * Vectors 0x30-0x3f are used for ISA interrupts. - * round up to the next 16-vector boundary -diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h -index ac7692d..90e119c 100644 ---- a/arch/x86/include/asm/irqflags.h -+++ b/arch/x86/include/asm/irqflags.h -@@ -12,7 +12,7 @@ - * Interrupt control: - */ - --static inline unsigned long native_save_fl(void) -+static inline asmlinkage unsigned long native_save_fl(void) - { - unsigned long flags; - -@@ -27,23 +27,29 @@ static inline unsigned long native_save_fl(void) - : /* no input */ - : "memory"); - -+#if !defined(CONFIG_GRKERNSEC_CONFIG_VIRT_HOST) || !defined(CONFIG_GRKERNSEC_CONFIG_VIRT_VIRTUALBOX) -+ BUG_ON(flags & X86_EFLAGS_AC); -+#endif - return flags; - } - - static inline void native_restore_fl(unsigned long flags) - { -+#if !defined(CONFIG_GRKERNSEC_CONFIG_VIRT_HOST) || !defined(CONFIG_GRKERNSEC_CONFIG_VIRT_VIRTUALBOX) -+ BUG_ON(flags & X86_EFLAGS_AC); -+#endif - asm volatile("push %0 ; popf" - : /* no output */ - :"g" (flags) - :"memory", "cc"); - } - --static inline void native_irq_disable(void) -+static inline asmlinkage void native_irq_disable(void) - { - asm volatile("cli": : :"memory"); - } - --static inline void native_irq_enable(void) -+static inline asmlinkage void native_irq_enable(void) - { - asm volatile("sti": : :"memory"); - } -@@ -141,6 +147,11 @@ static inline notrace unsigned long arch_local_irq_save(void) - swapgs; \ - sysretl - -+#define GET_CR0_INTO_RDI mov %cr0, %rdi -+#define SET_RDI_INTO_CR0 mov %rdi, %cr0 -+#define GET_CR3_INTO_RDI mov %cr3, %rdi -+#define SET_RDI_INTO_CR3 mov %rdi, %cr3 -+ - #else - #define INTERRUPT_RETURN iret - #define ENABLE_INTERRUPTS_SYSEXIT sti; sysexit -@@ -197,6 +208,14 @@ static inline int arch_irqs_disabled(void) - # define LOCKDEP_SYS_EXIT - # define LOCKDEP_SYS_EXIT_IRQ - #endif -+#else -+#ifdef CONFIG_TRACE_IRQFLAGS -+void trace_hardirqs_on_thunk(void); -+void trace_hardirqs_off_thunk(void); -+#endif -+#ifdef CONFIG_DEBUG_LOCK_ALLOC -+void lockdep_sys_exit_thunk(void); -+#endif - #endif /* __ASSEMBLY__ */ - - #endif -diff --git a/arch/x86/include/asm/kprobes.h b/arch/x86/include/asm/kprobes.h -index d1d1e50..5bacb6d 100644 ---- a/arch/x86/include/asm/kprobes.h -+++ b/arch/x86/include/asm/kprobes.h -@@ -37,7 +37,7 @@ typedef u8 kprobe_opcode_t; - #define RELATIVEJUMP_SIZE 5 - #define RELATIVECALL_OPCODE 0xe8 - #define RELATIVE_ADDR_SIZE 4 --#define MAX_STACK_SIZE 64 -+#define MAX_STACK_SIZE 64UL - #define CUR_STACK_SIZE(ADDR) \ - (current_top_of_stack() - (unsigned long)(ADDR)) - #define MIN_STACK_SIZE(ADDR) \ -diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h -index e9cd7be..0f3574f 100644 ---- a/arch/x86/include/asm/kvm_emulate.h -+++ b/arch/x86/include/asm/kvm_emulate.h -@@ -279,6 +279,8 @@ enum x86emul_mode { - #define X86EMUL_SMM_MASK (1 << 6) - #define X86EMUL_SMM_INSIDE_NMI_MASK (1 << 7) - -+struct fastop; -+ - struct x86_emulate_ctxt { - const struct x86_emulate_ops *ops; - -@@ -311,7 +313,10 @@ struct x86_emulate_ctxt { - struct operand src; - struct operand src2; - struct operand dst; -- int (*execute)(struct x86_emulate_ctxt *ctxt); -+ union { -+ int (*execute)(struct x86_emulate_ctxt *ctxt); -+ void (*fastop)(struct fastop *fake); -+ } u; - int (*check_perm)(struct x86_emulate_ctxt *ctxt); - /* - * The following six fields are cleared together, -diff --git a/arch/x86/include/asm/local.h b/arch/x86/include/asm/local.h -index 7511978..cf52573 100644 ---- a/arch/x86/include/asm/local.h -+++ b/arch/x86/include/asm/local.h -@@ -10,33 +10,73 @@ typedef struct { - atomic_long_t a; - } local_t; - -+typedef struct { -+ atomic_long_unchecked_t a; -+} local_unchecked_t; -+ - #define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) } - - #define local_read(l) atomic_long_read(&(l)->a) -+#define local_read_unchecked(l) atomic_long_read_unchecked(&(l)->a) - #define local_set(l, i) atomic_long_set(&(l)->a, (i)) -+#define local_set_unchecked(l, i) atomic_long_set_unchecked(&(l)->a, (i)) - - static inline void local_inc(local_t *l) - { -- asm volatile(_ASM_INC "%0" -+ asm volatile(_ASM_INC "%0\n\t" -+ PAX_REFCOUNT_OVERFLOW(BITS_PER_LONG/8) -+ : [counter] "+m" (l->a.counter) -+ : : "cc", "cx"); -+} -+ -+static inline void local_inc_unchecked(local_unchecked_t *l) -+{ -+ asm volatile(_ASM_INC "%0\n" - : "+m" (l->a.counter)); - } - - static inline void local_dec(local_t *l) - { -- asm volatile(_ASM_DEC "%0" -+ asm volatile(_ASM_DEC "%0\n\t" -+ PAX_REFCOUNT_UNDERFLOW(BITS_PER_LONG/8) -+ : [counter] "+m" (l->a.counter) -+ : : "cc", "cx"); -+} -+ -+static inline void local_dec_unchecked(local_unchecked_t *l) -+{ -+ asm volatile(_ASM_DEC "%0\n" - : "+m" (l->a.counter)); - } - - static inline void local_add(long i, local_t *l) - { -- asm volatile(_ASM_ADD "%1,%0" -+ asm volatile(_ASM_ADD "%1,%0\n\t" -+ PAX_REFCOUNT_OVERFLOW(BITS_PER_LONG/8) -+ : [counter] "+m" (l->a.counter) -+ : "ir" (i) -+ : "cc", "cx"); -+} -+ -+static inline void local_add_unchecked(long i, local_unchecked_t *l) -+{ -+ asm volatile(_ASM_ADD "%1,%0\n" - : "+m" (l->a.counter) - : "ir" (i)); - } - - static inline void local_sub(long i, local_t *l) - { -- asm volatile(_ASM_SUB "%1,%0" -+ asm volatile(_ASM_SUB "%1,%0\n\t" -+ PAX_REFCOUNT_UNDERFLOW(BITS_PER_LONG/8) -+ : [counter] "+m" (l->a.counter) -+ : "ir" (i) -+ : "cc", "cx"); -+} -+ -+static inline void local_sub_unchecked(long i, local_unchecked_t *l) -+{ -+ asm volatile(_ASM_SUB "%1,%0\n" - : "+m" (l->a.counter) - : "ir" (i)); - } -@@ -52,7 +92,7 @@ static inline void local_sub(long i, local_t *l) - */ - static inline bool local_sub_and_test(long i, local_t *l) - { -- GEN_BINARY_RMWcc(_ASM_SUB, l->a.counter, "er", i, "%0", e); -+ GEN_BINARY_RMWcc(_ASM_SUB, l->a.counter, -BITS_PER_LONG/8, "er", i, "%0", e); - } - - /** -@@ -65,7 +105,7 @@ static inline bool local_sub_and_test(long i, local_t *l) - */ - static inline bool local_dec_and_test(local_t *l) - { -- GEN_UNARY_RMWcc(_ASM_DEC, l->a.counter, "%0", e); -+ GEN_UNARY_RMWcc(_ASM_DEC, l->a.counter, -BITS_PER_LONG/8, "%0", e); - } - - /** -@@ -78,7 +118,7 @@ static inline bool local_dec_and_test(local_t *l) - */ - static inline bool local_inc_and_test(local_t *l) - { -- GEN_UNARY_RMWcc(_ASM_INC, l->a.counter, "%0", e); -+ GEN_UNARY_RMWcc(_ASM_INC, l->a.counter, BITS_PER_LONG/8, "%0", e); - } - - /** -@@ -92,7 +132,7 @@ static inline bool local_inc_and_test(local_t *l) - */ - static inline bool local_add_negative(long i, local_t *l) - { -- GEN_BINARY_RMWcc(_ASM_ADD, l->a.counter, "er", i, "%0", s); -+ GEN_BINARY_RMWcc(_ASM_ADD, l->a.counter, BITS_PER_LONG/8, "er", i, "%0", s); - } - - /** -@@ -105,6 +145,23 @@ static inline bool local_add_negative(long i, local_t *l) - static inline long local_add_return(long i, local_t *l) - { - long __i = i; -+ asm volatile(_ASM_XADD "%0, %1\n\t" -+ PAX_REFCOUNT_OVERFLOW(BITS_PER_LONG/8) -+ : "+r" (i), [counter] "+m" (l->a.counter) -+ : : "memory", "cc", "cx"); -+ return i + __i; -+} -+ -+/** -+ * local_add_return_unchecked - add and return -+ * @i: integer value to add -+ * @l: pointer to type local_unchecked_t -+ * -+ * Atomically adds @i to @l and returns @i + @l -+ */ -+static inline long local_add_return_unchecked(long i, local_unchecked_t *l) -+{ -+ long __i = i; - asm volatile(_ASM_XADD "%0, %1;" - : "+r" (i), "+m" (l->a.counter) - : : "memory"); -@@ -121,6 +178,8 @@ static inline long local_sub_return(long i, local_t *l) - - #define local_cmpxchg(l, o, n) \ - (cmpxchg_local(&((l)->a.counter), (o), (n))) -+#define local_cmpxchg_unchecked(l, o, n) \ -+ (cmpxchg_local(&((l)->a.counter), (o), (n))) - /* Always has a lock prefix */ - #define local_xchg(l, n) (xchg(&((l)->a.counter), (n))) - -diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h -index 9bd7ff5..d9c8715 100644 ---- a/arch/x86/include/asm/mce.h -+++ b/arch/x86/include/asm/mce.h -@@ -187,7 +187,7 @@ struct mca_msr_regs { - u32 (*status) (int bank); - u32 (*addr) (int bank); - u32 (*misc) (int bank); --}; -+} __no_const; - - extern struct mce_vendor_flags mce_flags; - -diff --git a/arch/x86/include/asm/mman.h b/arch/x86/include/asm/mman.h -new file mode 100644 -index 0000000..2bfd3ba ---- /dev/null -+++ b/arch/x86/include/asm/mman.h -@@ -0,0 +1,15 @@ -+#ifndef _X86_MMAN_H -+#define _X86_MMAN_H -+ -+#include -+ -+#ifdef __KERNEL__ -+#ifndef __ASSEMBLY__ -+#ifdef CONFIG_X86_32 -+#define arch_mmap_check i386_mmap_check -+int i386_mmap_check(unsigned long addr, unsigned long len, unsigned long flags); -+#endif -+#endif -+#endif -+ -+#endif /* X86_MMAN_H */ -diff --git a/arch/x86/include/asm/mmu.h b/arch/x86/include/asm/mmu.h -index 72198c6..2049a36 100644 ---- a/arch/x86/include/asm/mmu.h -+++ b/arch/x86/include/asm/mmu.h -@@ -19,7 +19,19 @@ typedef struct { - #endif - - struct mutex lock; -- void __user *vdso; /* vdso base address */ -+ unsigned long vdso; /* vdso base address */ -+ -+#ifdef CONFIG_X86_32 -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ unsigned long user_cs_base; -+ unsigned long user_cs_limit; -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP) -+ cpumask_t cpu_user_cs_mask; -+#endif -+ -+#endif -+#endif - const struct vdso_image *vdso_image; /* vdso image in use */ - - atomic_t perf_rdpmc_allowed; /* nonzero if rdpmc is allowed */ -diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h -index 8e0a9fe..2473467 100644 ---- a/arch/x86/include/asm/mmu_context.h -+++ b/arch/x86/include/asm/mmu_context.h -@@ -47,7 +47,7 @@ struct ldt_struct { - * allocations, but it's not worth trying to optimize. - */ - struct desc_struct *entries; -- int size; -+ unsigned int size; - }; - - /* -@@ -59,6 +59,23 @@ void destroy_context_ldt(struct mm_struct *mm); - static inline int init_new_context_ldt(struct task_struct *tsk, - struct mm_struct *mm) - { -+ if (tsk == current) { -+ mm->context.vdso = 0; -+ -+#ifdef CONFIG_X86_32 -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ mm->context.user_cs_base = 0UL; -+ mm->context.user_cs_limit = ~0UL; -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP) -+ cpumask_clear(&mm->context.cpu_user_cs_mask); -+#endif -+ -+#endif -+#endif -+ -+ } -+ - return 0; - } - static inline void destroy_context_ldt(struct mm_struct *mm) {} -@@ -99,6 +116,20 @@ static inline void load_mm_ldt(struct mm_struct *mm) - - static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) - { -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (!(static_cpu_has(X86_FEATURE_PCIDUDEREF))) { -+ unsigned int i; -+ pgd_t *pgd; -+ -+ pax_open_kernel(); -+ pgd = get_cpu_pgd(smp_processor_id(), kernel); -+ for (i = USER_PGD_PTRS; i < 2 * USER_PGD_PTRS; ++i) -+ set_pgd_batched(pgd+i, native_make_pgd(0)); -+ pax_close_kernel(); -+ } -+#endif -+ - #ifdef CONFIG_SMP - if (this_cpu_read(cpu_tlbstate.state) == TLBSTATE_OK) - this_cpu_write(cpu_tlbstate.state, TLBSTATE_LAZY); -diff --git a/arch/x86/include/asm/module.h b/arch/x86/include/asm/module.h -index e3b7819..ba128ec 100644 ---- a/arch/x86/include/asm/module.h -+++ b/arch/x86/include/asm/module.h -@@ -5,6 +5,7 @@ - - #ifdef CONFIG_X86_64 - /* X86_64 does not define MODULE_PROC_FAMILY */ -+#define MODULE_PROC_FAMILY "" - #elif defined CONFIG_M486 - #define MODULE_PROC_FAMILY "486 " - #elif defined CONFIG_M586 -@@ -57,8 +58,26 @@ - #error unknown processor family - #endif - --#ifdef CONFIG_X86_32 --# define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_BTS -+#define MODULE_PAX_KERNEXEC "KERNEXEC_BTS " -+#elif defined(CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR) -+#define MODULE_PAX_KERNEXEC "KERNEXEC_OR " -+#else -+#define MODULE_PAX_KERNEXEC "" - #endif - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+#define MODULE_PAX_UDEREF "UDEREF " -+#else -+#define MODULE_PAX_UDEREF "" -+#endif -+ -+#ifdef CONFIG_PAX_RAP -+#define MODULE_PAX_RAP "RAP " -+#else -+#define MODULE_PAX_RAP "" -+#endif -+ -+#define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY MODULE_PAX_KERNEXEC MODULE_PAX_UDEREF MODULE_PAX_RAP -+ - #endif /* _ASM_X86_MODULE_H */ -diff --git a/arch/x86/include/asm/mutex_32.h b/arch/x86/include/asm/mutex_32.h -index e9355a8..f031759 100644 ---- a/arch/x86/include/asm/mutex_32.h -+++ b/arch/x86/include/asm/mutex_32.h -@@ -30,7 +30,7 @@ do { \ - \ - asm volatile(LOCK_PREFIX " decl (%%eax)\n" \ - " jns 1f \n" \ -- " call " #fail_fn "\n" \ -+ PAX_DIRECT_CALL(#fail_fn)"\n" \ - "1:\n" \ - : "=a" (dummy) \ - : "a" (count) \ -@@ -76,7 +76,7 @@ do { \ - \ - asm volatile(LOCK_PREFIX " incl (%%eax)\n" \ - " jg 1f\n" \ -- " call " #fail_fn "\n" \ -+ PAX_DIRECT_CALL(#fail_fn)"\n" \ - "1:\n" \ - : "=a" (dummy) \ - : "a" (count) \ -diff --git a/arch/x86/include/asm/mutex_64.h b/arch/x86/include/asm/mutex_64.h -index d985075..d2fc470 100644 ---- a/arch/x86/include/asm/mutex_64.h -+++ b/arch/x86/include/asm/mutex_64.h -@@ -39,7 +39,7 @@ do { \ - \ - asm volatile(LOCK_PREFIX " decl (%%rdi)\n" \ - " jns 1f \n" \ -- " call " #fail_fn "\n" \ -+ PAX_DIRECT_CALL(#fail_fn)"\n" \ - "1:" \ - : "=D" (dummy) \ - : "D" (v) \ -@@ -94,7 +94,7 @@ do { \ - \ - asm volatile(LOCK_PREFIX " incl (%%rdi)\n" \ - " jg 1f\n" \ -- " call " #fail_fn "\n" \ -+ PAX_DIRECT_CALL(#fail_fn)"\n" \ - "1:" \ - : "=D" (dummy) \ - : "D" (v) \ -diff --git a/arch/x86/include/asm/nmi.h b/arch/x86/include/asm/nmi.h -index 5f2fc44..106caa6 100644 ---- a/arch/x86/include/asm/nmi.h -+++ b/arch/x86/include/asm/nmi.h -@@ -36,26 +36,35 @@ enum { - - typedef int (*nmi_handler_t)(unsigned int, struct pt_regs *); - -+struct nmiaction; -+ -+struct nmiwork { -+ const struct nmiaction *action; -+ u64 max_duration; -+ struct irq_work irq_work; -+}; -+ - struct nmiaction { - struct list_head list; - nmi_handler_t handler; -- u64 max_duration; -- struct irq_work irq_work; - unsigned long flags; - const char *name; --}; -+ struct nmiwork *work; -+} __do_const; - - #define register_nmi_handler(t, fn, fg, n, init...) \ - ({ \ -- static struct nmiaction init fn##_na = { \ -+ static struct nmiwork fn##_nw; \ -+ static const struct nmiaction init fn##_na = { \ - .handler = (fn), \ - .name = (n), \ - .flags = (fg), \ -+ .work = &fn##_nw, \ - }; \ - __register_nmi_handler((t), &fn##_na); \ - }) - --int __register_nmi_handler(unsigned int, struct nmiaction *); -+int __register_nmi_handler(unsigned int, const struct nmiaction *); - - void unregister_nmi_handler(unsigned int, const char *); - -diff --git a/arch/x86/include/asm/page.h b/arch/x86/include/asm/page.h -index cf8f619..bbcf5e6 100644 ---- a/arch/x86/include/asm/page.h -+++ b/arch/x86/include/asm/page.h -@@ -58,6 +58,8 @@ static inline void copy_user_page(void *to, void *from, unsigned long vaddr, - #define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET)) - #endif - -+#define __early_va(x) ((void *)((unsigned long)(x)+__START_KERNEL_map - phys_base)) -+ - #define __boot_va(x) __va(x) - #define __boot_pa(x) __pa(x) - -@@ -65,11 +67,21 @@ static inline void copy_user_page(void *to, void *from, unsigned long vaddr, - * virt_to_page(kaddr) returns a valid pointer if and only if - * virt_addr_valid(kaddr) returns true. - */ --#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) - #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) - extern bool __virt_addr_valid(unsigned long kaddr); - #define virt_addr_valid(kaddr) __virt_addr_valid((unsigned long) (kaddr)) - -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+#define virt_to_page(kaddr) \ -+ ({ \ -+ const void *__kaddr = (const void *)(kaddr); \ -+ BUG_ON(!virt_addr_valid(__kaddr)); \ -+ pfn_to_page(__pa(__kaddr) >> PAGE_SHIFT); \ -+ }) -+#else -+#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) -+#endif -+ - #endif /* __ASSEMBLY__ */ - - #include -diff --git a/arch/x86/include/asm/page_32.h b/arch/x86/include/asm/page_32.h -index 904f528..b4d0d24 100644 ---- a/arch/x86/include/asm/page_32.h -+++ b/arch/x86/include/asm/page_32.h -@@ -7,11 +7,17 @@ - - #define __phys_addr_nodebug(x) ((x) - PAGE_OFFSET) - #ifdef CONFIG_DEBUG_VIRTUAL --extern unsigned long __phys_addr(unsigned long); -+extern unsigned long __intentional_overflow(-1) __phys_addr(unsigned long); - #else --#define __phys_addr(x) __phys_addr_nodebug(x) -+static inline unsigned long __intentional_overflow(-1) __phys_addr(unsigned long x) -+{ -+ return __phys_addr_nodebug(x); -+} - #endif --#define __phys_addr_symbol(x) __phys_addr(x) -+static inline unsigned long __intentional_overflow(-1) __phys_addr_symbol(unsigned long x) -+{ -+ return __phys_addr(x); -+} - #define __phys_reloc_hide(x) RELOC_HIDE((x), 0) - - #ifdef CONFIG_FLATMEM -diff --git a/arch/x86/include/asm/page_64.h b/arch/x86/include/asm/page_64.h -index b3bebf9..2c3570f 100644 ---- a/arch/x86/include/asm/page_64.h -+++ b/arch/x86/include/asm/page_64.h -@@ -7,9 +7,9 @@ - - /* duplicated to the one in bootmem.h */ - extern unsigned long max_pfn; --extern unsigned long phys_base; -+extern const unsigned long phys_base; - --static inline unsigned long __phys_addr_nodebug(unsigned long x) -+static __always_inline unsigned long __intentional_overflow(-1) __phys_addr_nodebug(unsigned long x) - { - unsigned long y = x - __START_KERNEL_map; - -@@ -20,12 +20,14 @@ static inline unsigned long __phys_addr_nodebug(unsigned long x) - } - - #ifdef CONFIG_DEBUG_VIRTUAL --extern unsigned long __phys_addr(unsigned long); --extern unsigned long __phys_addr_symbol(unsigned long); -+extern unsigned long __intentional_overflow(-1) __phys_addr(unsigned long); -+extern unsigned long __intentional_overflow(-1) __phys_addr_symbol(unsigned long); - #else - #define __phys_addr(x) __phys_addr_nodebug(x) --#define __phys_addr_symbol(x) \ -- ((unsigned long)(x) - __START_KERNEL_map + phys_base) -+static inline unsigned long __intentional_overflow(-1) __phys_addr_symbol(unsigned long x) -+{ -+ return x - __START_KERNEL_map + phys_base; -+} - #endif - - #define __phys_reloc_hide(x) (x) -diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h -index ce93281..17b0fda 100644 ---- a/arch/x86/include/asm/paravirt.h -+++ b/arch/x86/include/asm/paravirt.h -@@ -374,11 +374,11 @@ static inline pte_t __pte(pteval_t val) - - if (sizeof(pteval_t) > sizeof(long)) - ret = PVOP_CALLEE2(pteval_t, -- pv_mmu_ops.make_pte, -+ pv_mmu_ops, make_pte, - val, (u64)val >> 32); - else - ret = PVOP_CALLEE1(pteval_t, -- pv_mmu_ops.make_pte, -+ pv_mmu_ops, make_pte, - val); - - return (pte_t) { .pte = ret }; -@@ -389,10 +389,10 @@ static inline pteval_t pte_val(pte_t pte) - pteval_t ret; - - if (sizeof(pteval_t) > sizeof(long)) -- ret = PVOP_CALLEE2(pteval_t, pv_mmu_ops.pte_val, -+ ret = PVOP_CALLEE2(pteval_t, pv_mmu_ops, pte_val, - pte.pte, (u64)pte.pte >> 32); - else -- ret = PVOP_CALLEE1(pteval_t, pv_mmu_ops.pte_val, -+ ret = PVOP_CALLEE1(pteval_t, pv_mmu_ops, pte_val, - pte.pte); - - return ret; -@@ -403,10 +403,10 @@ static inline pgd_t __pgd(pgdval_t val) - pgdval_t ret; - - if (sizeof(pgdval_t) > sizeof(long)) -- ret = PVOP_CALLEE2(pgdval_t, pv_mmu_ops.make_pgd, -+ ret = PVOP_CALLEE2(pgdval_t, pv_mmu_ops, make_pgd, - val, (u64)val >> 32); - else -- ret = PVOP_CALLEE1(pgdval_t, pv_mmu_ops.make_pgd, -+ ret = PVOP_CALLEE1(pgdval_t, pv_mmu_ops, make_pgd, - val); - - return (pgd_t) { ret }; -@@ -417,10 +417,10 @@ static inline pgdval_t pgd_val(pgd_t pgd) - pgdval_t ret; - - if (sizeof(pgdval_t) > sizeof(long)) -- ret = PVOP_CALLEE2(pgdval_t, pv_mmu_ops.pgd_val, -+ ret = PVOP_CALLEE2(pgdval_t, pv_mmu_ops, pgd_val, - pgd.pgd, (u64)pgd.pgd >> 32); - else -- ret = PVOP_CALLEE1(pgdval_t, pv_mmu_ops.pgd_val, -+ ret = PVOP_CALLEE1(pgdval_t, pv_mmu_ops, pgd_val, - pgd.pgd); - - return ret; -@@ -496,24 +496,24 @@ static inline pmd_t __pmd(pmdval_t val) - pmdval_t ret; - - if (sizeof(pmdval_t) > sizeof(long)) -- ret = PVOP_CALLEE2(pmdval_t, pv_mmu_ops.make_pmd, -+ ret = PVOP_CALLEE2(pmdval_t, pv_mmu_ops, make_pmd, - val, (u64)val >> 32); - else -- ret = PVOP_CALLEE1(pmdval_t, pv_mmu_ops.make_pmd, -+ ret = PVOP_CALLEE1(pmdval_t, pv_mmu_ops, make_pmd, - val); - - return (pmd_t) { ret }; - } - --static inline pmdval_t pmd_val(pmd_t pmd) -+static inline __intentional_overflow(-1) pmdval_t pmd_val(pmd_t pmd) - { - pmdval_t ret; - - if (sizeof(pmdval_t) > sizeof(long)) -- ret = PVOP_CALLEE2(pmdval_t, pv_mmu_ops.pmd_val, -+ ret = PVOP_CALLEE2(pmdval_t, pv_mmu_ops, pmd_val, - pmd.pmd, (u64)pmd.pmd >> 32); - else -- ret = PVOP_CALLEE1(pmdval_t, pv_mmu_ops.pmd_val, -+ ret = PVOP_CALLEE1(pmdval_t, pv_mmu_ops, pmd_val, - pmd.pmd); - - return ret; -@@ -536,10 +536,10 @@ static inline pud_t __pud(pudval_t val) - pudval_t ret; - - if (sizeof(pudval_t) > sizeof(long)) -- ret = PVOP_CALLEE2(pudval_t, pv_mmu_ops.make_pud, -+ ret = PVOP_CALLEE2(pudval_t, pv_mmu_ops, make_pud, - val, (u64)val >> 32); - else -- ret = PVOP_CALLEE1(pudval_t, pv_mmu_ops.make_pud, -+ ret = PVOP_CALLEE1(pudval_t, pv_mmu_ops, make_pud, - val); - - return (pud_t) { ret }; -@@ -550,10 +550,10 @@ static inline pudval_t pud_val(pud_t pud) - pudval_t ret; - - if (sizeof(pudval_t) > sizeof(long)) -- ret = PVOP_CALLEE2(pudval_t, pv_mmu_ops.pud_val, -+ ret = PVOP_CALLEE2(pudval_t, pv_mmu_ops, pud_val, - pud.pud, (u64)pud.pud >> 32); - else -- ret = PVOP_CALLEE1(pudval_t, pv_mmu_ops.pud_val, -+ ret = PVOP_CALLEE1(pudval_t, pv_mmu_ops, pud_val, - pud.pud); - - return ret; -@@ -571,6 +571,18 @@ static inline void set_pgd(pgd_t *pgdp, pgd_t pgd) - val); - } - -+static inline void set_pgd_batched(pgd_t *pgdp, pgd_t pgd) -+{ -+ pgdval_t val = native_pgd_val(pgd); -+ -+ if (sizeof(pgdval_t) > sizeof(long)) -+ PVOP_VCALL3(pv_mmu_ops.set_pgd_batched, pgdp, -+ val, (u64)val >> 32); -+ else -+ PVOP_VCALL2(pv_mmu_ops.set_pgd_batched, pgdp, -+ val); -+} -+ - static inline void pgd_clear(pgd_t *pgdp) - { - set_pgd(pgdp, __pgd(0)); -@@ -655,6 +667,21 @@ static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx, - pv_mmu_ops.set_fixmap(idx, phys, flags); - } - -+#ifdef CONFIG_PAX_KERNEXEC -+static inline unsigned long pax_open_kernel(void) -+{ -+ return PVOP_CALL0(unsigned long, pv_mmu_ops.pax_open_kernel); -+} -+ -+static inline unsigned long pax_close_kernel(void) -+{ -+ return PVOP_CALL0(unsigned long, pv_mmu_ops.pax_close_kernel); -+} -+#else -+static inline unsigned long pax_open_kernel(void) { return 0; } -+static inline unsigned long pax_close_kernel(void) { return 0; } -+#endif -+ - #if defined(CONFIG_SMP) && defined(CONFIG_PARAVIRT_SPINLOCKS) - - static __always_inline void pv_queued_spin_lock_slowpath(struct qspinlock *lock, -@@ -665,7 +692,7 @@ static __always_inline void pv_queued_spin_lock_slowpath(struct qspinlock *lock, - - static __always_inline void pv_queued_spin_unlock(struct qspinlock *lock) - { -- PVOP_VCALLEE1(pv_lock_ops.queued_spin_unlock, lock); -+ PVOP_VCALLEE1(pv_lock_ops, queued_spin_unlock, lock); - } - - static __always_inline void pv_wait(u8 *ptr, u8 val) -@@ -735,7 +762,7 @@ static __always_inline void pv_kick(int cpu) - */ - #define PV_THUNK_NAME(func) "__raw_callee_save_" #func - #define PV_CALLEE_SAVE_REGS_THUNK(func) \ -- extern typeof(func) __raw_callee_save_##func; \ -+ extern typeof(func) __raw_callee_save_##func __rap_hash; \ - \ - asm(".pushsection .text;" \ - ".globl " PV_THUNK_NAME(func) ";" \ -@@ -743,38 +770,42 @@ static __always_inline void pv_kick(int cpu) - PV_THUNK_NAME(func) ":" \ - FRAME_BEGIN \ - PV_SAVE_ALL_CALLER_REGS \ -- "call " #func ";" \ -+ PAX_DIRECT_CALL_HASH(#func, PV_THUNK_NAME(func)) ";" \ - PV_RESTORE_ALL_CALLER_REGS \ - FRAME_END \ -- "ret;" \ -+ PAX_RET(PV_THUNK_NAME(func))";" \ - ".popsection") - - /* Get a reference to a callee-save function */ --#define PV_CALLEE_SAVE(func) \ -- ((struct paravirt_callee_save) { __raw_callee_save_##func }) -+#define PV_CALLEE_SAVE(field, func) \ -+ ((union paravirt_callee_save) { .field = __raw_callee_save_##func }) - -+#ifdef CONFIG_PAX_RAP -+#define __PV_IS_CALLEE_SAVE(field, func) PV_CALLEE_SAVE(field, func) -+#else - /* Promise that "func" already uses the right calling convention */ --#define __PV_IS_CALLEE_SAVE(func) \ -- ((struct paravirt_callee_save) { func }) -+#define __PV_IS_CALLEE_SAVE(field, func) \ -+ ((union paravirt_callee_save) { .field = func }) -+#endif - - static inline notrace unsigned long arch_local_save_flags(void) - { -- return PVOP_CALLEE0(unsigned long, pv_irq_ops.save_fl); -+ return PVOP_CALLEE0(unsigned long, pv_irq_ops, save_fl); - } - - static inline notrace void arch_local_irq_restore(unsigned long f) - { -- PVOP_VCALLEE1(pv_irq_ops.restore_fl, f); -+ PVOP_VCALLEE1(pv_irq_ops, restore_fl, f); - } - - static inline notrace void arch_local_irq_disable(void) - { -- PVOP_VCALLEE0(pv_irq_ops.irq_disable); -+ PVOP_VCALLEE0(pv_irq_ops, irq_disable); - } - - static inline notrace void arch_local_irq_enable(void) - { -- PVOP_VCALLEE0(pv_irq_ops.irq_enable); -+ PVOP_VCALLEE0(pv_irq_ops, irq_enable); - } - - static inline notrace unsigned long arch_local_irq_save(void) -@@ -806,9 +837,9 @@ extern void default_banner(void); - - #else /* __ASSEMBLY__ */ - --#define _PVSITE(ptype, clobbers, ops, word, algn) \ -+#define _PVSITE(ptype, clobbers, word, algn, ...)\ - 771:; \ -- ops; \ -+ __VA_ARGS__; \ - 772:; \ - .pushsection .parainstructions,"a"; \ - .align algn; \ -@@ -848,8 +879,10 @@ extern void default_banner(void); - COND_POP(set, CLBR_RAX, rax) - - #define PARA_PATCH(struct, off) ((PARAVIRT_PATCH_##struct + (off)) / 8) --#define PARA_SITE(ptype, clobbers, ops) _PVSITE(ptype, clobbers, ops, .quad, 8) --#define PARA_INDIRECT(addr) *addr(%rip) -+#define PARA_SITE(ptype, clobbers, ...) _PVSITE(ptype, clobbers, .quad, 8, __VA_ARGS__) -+#define PARA_INDIRECT(addr) addr(%rip) -+#define PV_INDIRECT_CALL(ops, OPS, addr) pax_indirect_call PARA_INDIRECT(pv_##ops##_ops+PV_##OPS##_##addr), pv_##ops##_ops.##addr -+#define PV_INDIRECT_CALL_CALLEE_SAVE(ops, OPS, addr) pax_indirect_call PARA_INDIRECT(pv_##ops##_ops+PV_##OPS##_##addr), pv_##ops##_ops.##addr##.##addr - #else - #define PV_SAVE_REGS(set) \ - COND_PUSH(set, CLBR_EAX, eax); \ -@@ -863,30 +896,32 @@ extern void default_banner(void); - COND_POP(set, CLBR_EAX, eax) - - #define PARA_PATCH(struct, off) ((PARAVIRT_PATCH_##struct + (off)) / 4) --#define PARA_SITE(ptype, clobbers, ops) _PVSITE(ptype, clobbers, ops, .long, 4) --#define PARA_INDIRECT(addr) *%cs:addr -+#define PARA_SITE(ptype, clobbers, ...) _PVSITE(ptype, clobbers, .long, 4, __VA_ARGS__) -+#define PARA_INDIRECT(addr) %ss:addr -+#define PV_INDIRECT_CALL(ops, OPS, addr) pax_indirect_call PARA_INDIRECT(pv_##ops##_ops+PV_##OPS##_##addr), pv_##ops##_ops.##addr -+#define PV_INDIRECT_CALL_CALLEE_SAVE(ops, OPS, addr) pax_indirect_call PARA_INDIRECT(pv_##ops##_ops+PV_##OPS##_##addr), pv_##ops##_ops.##addr##.##addr - #endif - - #define INTERRUPT_RETURN \ - PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_iret), CLBR_NONE, \ -- jmp PARA_INDIRECT(pv_cpu_ops+PV_CPU_iret)) -+ jmp *PARA_INDIRECT(pv_cpu_ops+PV_CPU_iret)) - - #define DISABLE_INTERRUPTS(clobbers) \ - PARA_SITE(PARA_PATCH(pv_irq_ops, PV_IRQ_irq_disable), clobbers, \ - PV_SAVE_REGS(clobbers | CLBR_CALLEE_SAVE); \ -- call PARA_INDIRECT(pv_irq_ops+PV_IRQ_irq_disable); \ -+ PV_INDIRECT_CALL_CALLEE_SAVE(irq,IRQ,irq_disable); \ - PV_RESTORE_REGS(clobbers | CLBR_CALLEE_SAVE);) - - #define ENABLE_INTERRUPTS(clobbers) \ - PARA_SITE(PARA_PATCH(pv_irq_ops, PV_IRQ_irq_enable), clobbers, \ - PV_SAVE_REGS(clobbers | CLBR_CALLEE_SAVE); \ -- call PARA_INDIRECT(pv_irq_ops+PV_IRQ_irq_enable); \ -+ PV_INDIRECT_CALL_CALLEE_SAVE(irq,IRQ,irq_enable); \ - PV_RESTORE_REGS(clobbers | CLBR_CALLEE_SAVE);) - - #ifdef CONFIG_X86_32 - #define GET_CR0_INTO_EAX \ - push %ecx; push %edx; \ -- call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0); \ -+ PV_INDIRECT_CALL(cpu,CPU,read_cr0); \ - pop %edx; pop %ecx - #else /* !CONFIG_X86_32 */ - -@@ -907,21 +942,36 @@ extern void default_banner(void); - */ - #define SWAPGS \ - PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_swapgs), CLBR_NONE, \ -- call PARA_INDIRECT(pv_cpu_ops+PV_CPU_swapgs) \ -+ PV_INDIRECT_CALL(cpu,CPU,swapgs) \ - ) - - #define GET_CR2_INTO_RAX \ -- call PARA_INDIRECT(pv_mmu_ops+PV_MMU_read_cr2) -+ PV_INDIRECT_CALL(mmu,MMU,read_cr2) - - #define PARAVIRT_ADJUST_EXCEPTION_FRAME \ - PARA_SITE(PARA_PATCH(pv_irq_ops, PV_IRQ_adjust_exception_frame), \ - CLBR_NONE, \ -- call PARA_INDIRECT(pv_irq_ops+PV_IRQ_adjust_exception_frame)) -+ PV_INDIRECT_CALL(irq,IRQ,adjust_exception_frame)) - - #define USERGS_SYSRET64 \ - PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_usergs_sysret64), \ - CLBR_NONE, \ -- jmp PARA_INDIRECT(pv_cpu_ops+PV_CPU_usergs_sysret64)) -+ jmp *PARA_INDIRECT(pv_cpu_ops+PV_CPU_usergs_sysret64)) -+ -+#define GET_CR0_INTO_RDI \ -+ PV_INDIRECT_CALL(cpu,CPU,read_cr0); \ -+ mov %rax,%rdi -+ -+#define SET_RDI_INTO_CR0 \ -+ PV_INDIRECT_CALL(cpu,CPU,write_cr0) -+ -+#define GET_CR3_INTO_RDI \ -+ PV_INDIRECT_CALL(mmu,MMU,read_cr3); \ -+ mov %rax,%rdi -+ -+#define SET_RDI_INTO_CR3 \ -+ PV_INDIRECT_CALL(mmu,MMU,write_cr3) -+ - #endif /* CONFIG_X86_32 */ - - #endif /* __ASSEMBLY__ */ -diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h -index 0f400c0..3e5329e 100644 ---- a/arch/x86/include/asm/paravirt_types.h -+++ b/arch/x86/include/asm/paravirt_types.h -@@ -39,6 +39,7 @@ - - #ifndef __ASSEMBLY__ - -+#include - #include - #include - #include -@@ -51,14 +52,29 @@ struct mm_struct; - struct desc_struct; - struct task_struct; - struct cpumask; -+struct qspinlock; - - /* - * Wrapper type for pointers to code which uses the non-standard -- * calling convention. See PV_CALL_SAVE_REGS_THUNK below. -+ * calling convention. See PV_CALLEE_SAVE_REGS_THUNK below. - */ --struct paravirt_callee_save { -- void *func; --}; -+union paravirt_callee_save { -+ void (*queued_spin_unlock)(struct qspinlock *); -+ -+ asmlinkage unsigned long (*save_fl)(void); -+ void (*restore_fl)(unsigned long); -+ asmlinkage void (*irq_disable)(void); -+ asmlinkage void (*irq_enable)(void); -+ -+ pteval_t (*pte_val)(pte_t); -+ pte_t (*make_pte)(pteval_t); -+ pmdval_t (*pmd_val)(pmd_t); -+ pmd_t (*make_pmd)(pmdval_t); -+ pudval_t (*pud_val)(pud_t); -+ pud_t (*make_pud)(pmdval_t); -+ pgdval_t (*pgd_val)(pgd_t); -+ pgd_t (*make_pgd)(pgdval_t); -+} __no_const; - - /* general info */ - struct pv_info { -@@ -83,7 +99,7 @@ struct pv_init_ops { - */ - unsigned (*patch)(u8 type, u16 clobber, void *insnbuf, - unsigned long addr, unsigned len); --}; -+} __no_const __no_randomize_layout; - - - struct pv_lazy_ops { -@@ -91,12 +107,12 @@ struct pv_lazy_ops { - void (*enter)(void); - void (*leave)(void); - void (*flush)(void); --}; -+} __no_const __no_randomize_layout; - - struct pv_time_ops { - unsigned long long (*sched_clock)(void); - unsigned long long (*steal_clock)(int cpu); --}; -+} __rap_hash __no_const __no_randomize_layout; - - struct pv_cpu_ops { - /* hooks for various privileged instructions */ -@@ -177,7 +193,7 @@ struct pv_cpu_ops { - - void (*start_context_switch)(struct task_struct *prev); - void (*end_context_switch)(struct task_struct *next); --}; -+} __rap_hash __no_const __no_randomize_layout; - - struct pv_irq_ops { - /* -@@ -189,10 +205,10 @@ struct pv_irq_ops { - * NOTE: These functions callers expect the callee to preserve - * more registers than the standard C calling convention. - */ -- struct paravirt_callee_save save_fl; -- struct paravirt_callee_save restore_fl; -- struct paravirt_callee_save irq_disable; -- struct paravirt_callee_save irq_enable; -+ union paravirt_callee_save save_fl; -+ union paravirt_callee_save restore_fl; -+ union paravirt_callee_save irq_disable; -+ union paravirt_callee_save irq_enable; - - void (*safe_halt)(void); - void (*halt)(void); -@@ -200,7 +216,7 @@ struct pv_irq_ops { - #ifdef CONFIG_X86_64 - void (*adjust_exception_frame)(void); - #endif --}; -+} __rap_hash __no_randomize_layout; - - struct pv_mmu_ops { - unsigned long (*read_cr2)(void); -@@ -259,11 +275,11 @@ struct pv_mmu_ops { - void (*ptep_modify_prot_commit)(struct mm_struct *mm, unsigned long addr, - pte_t *ptep, pte_t pte); - -- struct paravirt_callee_save pte_val; -- struct paravirt_callee_save make_pte; -+ union paravirt_callee_save pte_val; -+ union paravirt_callee_save make_pte; - -- struct paravirt_callee_save pgd_val; -- struct paravirt_callee_save make_pgd; -+ union paravirt_callee_save pgd_val; -+ union paravirt_callee_save make_pgd; - - #if CONFIG_PGTABLE_LEVELS >= 3 - #ifdef CONFIG_X86_PAE -@@ -276,14 +292,15 @@ struct pv_mmu_ops { - - void (*set_pud)(pud_t *pudp, pud_t pudval); - -- struct paravirt_callee_save pmd_val; -- struct paravirt_callee_save make_pmd; -+ union paravirt_callee_save pmd_val; -+ union paravirt_callee_save make_pmd; - - #if CONFIG_PGTABLE_LEVELS == 4 -- struct paravirt_callee_save pud_val; -- struct paravirt_callee_save make_pud; -+ union paravirt_callee_save pud_val; -+ union paravirt_callee_save make_pud; - - void (*set_pgd)(pgd_t *pudp, pgd_t pgdval); -+ void (*set_pgd_batched)(pgd_t *pudp, pgd_t pgdval); - #endif /* CONFIG_PGTABLE_LEVELS == 4 */ - #endif /* CONFIG_PGTABLE_LEVELS >= 3 */ - -@@ -295,7 +312,13 @@ struct pv_mmu_ops { - an mfn. We can tell which is which from the index. */ - void (*set_fixmap)(unsigned /* enum fixed_addresses */ idx, - phys_addr_t phys, pgprot_t flags); --}; -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ unsigned long (*pax_open_kernel)(void); -+ unsigned long (*pax_close_kernel)(void); -+#endif -+ -+} __rap_hash __no_randomize_layout; - - struct arch_spinlock; - #ifdef CONFIG_SMP -@@ -306,15 +329,18 @@ struct qspinlock; - - struct pv_lock_ops { - void (*queued_spin_lock_slowpath)(struct qspinlock *lock, u32 val); -- struct paravirt_callee_save queued_spin_unlock; -+ union paravirt_callee_save queued_spin_unlock; - - void (*wait)(u8 *ptr, u8 val); - void (*kick)(int cpu); --}; -+} __rap_hash __no_randomize_layout; - - /* This contains all the paravirt structures: we get a convenient - * number for each function using the offset which we use to indicate -- * what to patch. */ -+ * what to patch. -+ * shouldn't be randomized due to the "NEAT TRICK" in paravirt.c -+ */ -+ - struct paravirt_patch_template { - struct pv_init_ops pv_init_ops; - struct pv_time_ops pv_time_ops; -@@ -322,7 +348,7 @@ struct paravirt_patch_template { - struct pv_irq_ops pv_irq_ops; - struct pv_mmu_ops pv_mmu_ops; - struct pv_lock_ops pv_lock_ops; --}; -+} __no_randomize_layout; - - extern struct pv_info pv_info; - extern struct pv_init_ops pv_init_ops; -@@ -391,7 +417,7 @@ int paravirt_disable_iospace(void); - * offset into the paravirt_patch_template structure, and can therefore be - * freely converted back into a structure offset. - */ --#define PARAVIRT_CALL "call *%c[paravirt_opptr];" -+#define PARAVIRT_CALL(op) PAX_INDIRECT_CALL("*%c[paravirt_opptr]", #op) ";" - - /* - * These macros are intended to wrap calls through one of the paravirt -@@ -518,7 +544,7 @@ int paravirt_disable_iospace(void); - /* since this condition will never hold */ \ - if (sizeof(rettype) > sizeof(unsigned long)) { \ - asm volatile(pre \ -- paravirt_alt(PARAVIRT_CALL) \ -+ paravirt_alt(PARAVIRT_CALL(op)) \ - post \ - : call_clbr, "+r" (__sp) \ - : paravirt_type(op), \ -@@ -528,7 +554,7 @@ int paravirt_disable_iospace(void); - __ret = (rettype)((((u64)__edx) << 32) | __eax); \ - } else { \ - asm volatile(pre \ -- paravirt_alt(PARAVIRT_CALL) \ -+ paravirt_alt(PARAVIRT_CALL(op)) \ - post \ - : call_clbr, "+r" (__sp) \ - : paravirt_type(op), \ -@@ -544,8 +570,8 @@ int paravirt_disable_iospace(void); - ____PVOP_CALL(rettype, op, CLBR_ANY, PVOP_CALL_CLOBBERS, \ - EXTRA_CLOBBERS, pre, post, ##__VA_ARGS__) - --#define __PVOP_CALLEESAVE(rettype, op, pre, post, ...) \ -- ____PVOP_CALL(rettype, op.func, CLBR_RET_REG, \ -+#define __PVOP_CALLEESAVE(rettype, op, func, pre, post, ...) \ -+ ____PVOP_CALL(rettype, op.func.func, CLBR_RET_REG, \ - PVOP_CALLEE_CLOBBERS, , \ - pre, post, ##__VA_ARGS__) - -@@ -555,7 +581,7 @@ int paravirt_disable_iospace(void); - PVOP_VCALL_ARGS; \ - PVOP_TEST_NULL(op); \ - asm volatile(pre \ -- paravirt_alt(PARAVIRT_CALL) \ -+ paravirt_alt(PARAVIRT_CALL(op)) \ - post \ - : call_clbr, "+r" (__sp) \ - : paravirt_type(op), \ -@@ -569,8 +595,8 @@ int paravirt_disable_iospace(void); - VEXTRA_CLOBBERS, \ - pre, post, ##__VA_ARGS__) - --#define __PVOP_VCALLEESAVE(op, pre, post, ...) \ -- ____PVOP_VCALL(op.func, CLBR_RET_REG, \ -+#define __PVOP_VCALLEESAVE(op, func, pre, post, ...) \ -+ ____PVOP_VCALL(op.func.func, CLBR_RET_REG, \ - PVOP_VCALLEE_CLOBBERS, , \ - pre, post, ##__VA_ARGS__) - -@@ -581,10 +607,10 @@ int paravirt_disable_iospace(void); - #define PVOP_VCALL0(op) \ - __PVOP_VCALL(op, "", "") - --#define PVOP_CALLEE0(rettype, op) \ -- __PVOP_CALLEESAVE(rettype, op, "", "") --#define PVOP_VCALLEE0(op) \ -- __PVOP_VCALLEESAVE(op, "", "") -+#define PVOP_CALLEE0(rettype, op, func) \ -+ __PVOP_CALLEESAVE(rettype, op, func, "", "") -+#define PVOP_VCALLEE0(op, func) \ -+ __PVOP_VCALLEESAVE(op, func, "", "") - - - #define PVOP_CALL1(rettype, op, arg1) \ -@@ -592,10 +618,10 @@ int paravirt_disable_iospace(void); - #define PVOP_VCALL1(op, arg1) \ - __PVOP_VCALL(op, "", "", PVOP_CALL_ARG1(arg1)) - --#define PVOP_CALLEE1(rettype, op, arg1) \ -- __PVOP_CALLEESAVE(rettype, op, "", "", PVOP_CALL_ARG1(arg1)) --#define PVOP_VCALLEE1(op, arg1) \ -- __PVOP_VCALLEESAVE(op, "", "", PVOP_CALL_ARG1(arg1)) -+#define PVOP_CALLEE1(rettype, op, func, arg1) \ -+ __PVOP_CALLEESAVE(rettype, op, func, "", "", PVOP_CALL_ARG1(arg1)) -+#define PVOP_VCALLEE1(op, func, arg1) \ -+ __PVOP_VCALLEESAVE(op, func, "", "", PVOP_CALL_ARG1(arg1)) - - - #define PVOP_CALL2(rettype, op, arg1, arg2) \ -@@ -605,11 +631,11 @@ int paravirt_disable_iospace(void); - __PVOP_VCALL(op, "", "", PVOP_CALL_ARG1(arg1), \ - PVOP_CALL_ARG2(arg2)) - --#define PVOP_CALLEE2(rettype, op, arg1, arg2) \ -- __PVOP_CALLEESAVE(rettype, op, "", "", PVOP_CALL_ARG1(arg1), \ -+#define PVOP_CALLEE2(rettype, op, func, arg1, arg2) \ -+ __PVOP_CALLEESAVE(rettype, op, func, "", "", PVOP_CALL_ARG1(arg1),\ - PVOP_CALL_ARG2(arg2)) --#define PVOP_VCALLEE2(op, arg1, arg2) \ -- __PVOP_VCALLEESAVE(op, "", "", PVOP_CALL_ARG1(arg1), \ -+#define PVOP_VCALLEE2(op, func, arg1, arg2) \ -+ __PVOP_VCALLEESAVE(op, func, "", "", PVOP_CALL_ARG1(arg1), \ - PVOP_CALL_ARG2(arg2)) - - -diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h -index 84f58de..610576f 100644 ---- a/arch/x86/include/asm/percpu.h -+++ b/arch/x86/include/asm/percpu.h -@@ -493,7 +493,7 @@ do { \ - bool __ret; \ - typeof(pcp1) __o1 = (o1), __n1 = (n1); \ - typeof(pcp2) __o2 = (o2), __n2 = (n2); \ -- alternative_io("leaq %P1,%%rsi\n\tcall this_cpu_cmpxchg16b_emu\n\t", \ -+ alternative_io("leaq %P1,%%rsi\n\t" PAX_DIRECT_CALL("this_cpu_cmpxchg16b_emu")"\n\t", \ - "cmpxchg16b " __percpu_arg(1) "\n\tsetz %0\n\t", \ - X86_FEATURE_CX16, \ - ASM_OUTPUT2("=a" (__ret), "+m" (pcp1), \ -@@ -501,6 +501,7 @@ do { \ - "b" (__n1), "c" (__n2), "a" (__o1) : "rsi"); \ - __ret; \ - }) -+bool this_cpu_cmpxchg16b_emu(void *, void*, long, long, long, long) __rap_hash; - - #define raw_cpu_cmpxchg_double_8 percpu_cmpxchg16b_double - #define this_cpu_cmpxchg_double_8 percpu_cmpxchg16b_double -diff --git a/arch/x86/include/asm/pgalloc.h b/arch/x86/include/asm/pgalloc.h -index b6d4259..da6324e 100644 ---- a/arch/x86/include/asm/pgalloc.h -+++ b/arch/x86/include/asm/pgalloc.h -@@ -63,6 +63,13 @@ static inline void pmd_populate_kernel(struct mm_struct *mm, - pmd_t *pmd, pte_t *pte) - { - paravirt_alloc_pte(mm, __pa(pte) >> PAGE_SHIFT); -+ set_pmd(pmd, __pmd(__pa(pte) | _KERNPG_TABLE)); -+} -+ -+static inline void pmd_populate_user(struct mm_struct *mm, -+ pmd_t *pmd, pte_t *pte) -+{ -+ paravirt_alloc_pte(mm, __pa(pte) >> PAGE_SHIFT); - set_pmd(pmd, __pmd(__pa(pte) | _PAGE_TABLE)); - } - -@@ -112,12 +119,22 @@ static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd, - - #ifdef CONFIG_X86_PAE - extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd); -+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd) -+{ -+ pud_populate(mm, pudp, pmd); -+} - #else /* !CONFIG_X86_PAE */ - static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) - { - paravirt_alloc_pmd(mm, __pa(pmd) >> PAGE_SHIFT); - set_pud(pud, __pud(_PAGE_TABLE | __pa(pmd))); - } -+ -+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) -+{ -+ paravirt_alloc_pmd(mm, __pa(pmd) >> PAGE_SHIFT); -+ set_pud(pud, __pud(_KERNPG_TABLE | __pa(pmd))); -+} - #endif /* CONFIG_X86_PAE */ - - #if CONFIG_PGTABLE_LEVELS > 3 -@@ -127,6 +144,12 @@ static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pud_t *pud) - set_pgd(pgd, __pgd(_PAGE_TABLE | __pa(pud))); - } - -+static inline void pgd_populate_kernel(struct mm_struct *mm, pgd_t *pgd, pud_t *pud) -+{ -+ paravirt_alloc_pud(mm, __pa(pud) >> PAGE_SHIFT); -+ set_pgd(pgd, __pgd(_KERNPG_TABLE | __pa(pud))); -+} -+ - static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) - { - gfp_t gfp = GFP_KERNEL_ACCOUNT; -diff --git a/arch/x86/include/asm/pgtable-2level.h b/arch/x86/include/asm/pgtable-2level.h -index fd74a11..35fd5af 100644 ---- a/arch/x86/include/asm/pgtable-2level.h -+++ b/arch/x86/include/asm/pgtable-2level.h -@@ -18,7 +18,9 @@ static inline void native_set_pte(pte_t *ptep , pte_t pte) - - static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd) - { -+ pax_open_kernel(); - *pmdp = pmd; -+ pax_close_kernel(); - } - - static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte) -diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h -index cdaa58c..ae30f0d 100644 ---- a/arch/x86/include/asm/pgtable-3level.h -+++ b/arch/x86/include/asm/pgtable-3level.h -@@ -92,12 +92,16 @@ static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte) - - static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd) - { -+ pax_open_kernel(); - set_64bit((unsigned long long *)(pmdp), native_pmd_val(pmd)); -+ pax_close_kernel(); - } - - static inline void native_set_pud(pud_t *pudp, pud_t pud) - { -+ pax_open_kernel(); - set_64bit((unsigned long long *)(pudp), native_pud_val(pud)); -+ pax_close_kernel(); - } - - /* -@@ -116,9 +120,12 @@ static inline void native_pte_clear(struct mm_struct *mm, unsigned long addr, - static inline void native_pmd_clear(pmd_t *pmd) - { - u32 *tmp = (u32 *)pmd; -+ -+ pax_open_kernel(); - *tmp = 0; - smp_wmb(); - *(tmp + 1) = 0; -+ pax_close_kernel(); - } - - static inline void pud_clear(pud_t *pudp) -diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h -index 437feb4..a4b2570 100644 ---- a/arch/x86/include/asm/pgtable.h -+++ b/arch/x86/include/asm/pgtable.h -@@ -54,6 +54,7 @@ extern struct mm_struct *pgd_page_get_mm(struct page *page); - - #ifndef __PAGETABLE_PUD_FOLDED - #define set_pgd(pgdp, pgd) native_set_pgd(pgdp, pgd) -+#define set_pgd_batched(pgdp, pgd) native_set_pgd_batched(pgdp, pgd) - #define pgd_clear(pgd) native_pgd_clear(pgd) - #endif - -@@ -88,12 +89,53 @@ extern struct mm_struct *pgd_page_get_mm(struct page *page); - - #define arch_end_context_switch(prev) do {} while(0) - -+#define pax_open_kernel() native_pax_open_kernel() -+#define pax_close_kernel() native_pax_close_kernel() - #endif /* CONFIG_PARAVIRT */ - -+#define __HAVE_ARCH_PAX_OPEN_KERNEL -+#define __HAVE_ARCH_PAX_CLOSE_KERNEL -+ -+#ifdef CONFIG_PAX_KERNEXEC -+static inline unsigned long native_pax_open_kernel(void) -+{ -+ unsigned long cr0; -+ -+ preempt_disable(); -+ barrier(); -+ cr0 = read_cr0() ^ X86_CR0_WP; -+ BUG_ON(cr0 & X86_CR0_WP); -+ write_cr0(cr0); -+ barrier(); -+ return cr0 ^ X86_CR0_WP; -+} -+ -+static inline unsigned long native_pax_close_kernel(void) -+{ -+ unsigned long cr0; -+ -+ barrier(); -+ cr0 = read_cr0() ^ X86_CR0_WP; -+ BUG_ON(!(cr0 & X86_CR0_WP)); -+ write_cr0(cr0); -+ barrier(); -+ preempt_enable_no_resched(); -+ return cr0 ^ X86_CR0_WP; -+} -+#else -+static inline unsigned long native_pax_open_kernel(void) { return 0; } -+static inline unsigned long native_pax_close_kernel(void) { return 0; } -+#endif -+ - /* - * The following only work if pte_present() is true. - * Undefined behaviour if not.. - */ -+static inline int pte_user(pte_t pte) -+{ -+ return pte_val(pte) & _PAGE_USER; -+} -+ - static inline int pte_dirty(pte_t pte) - { - return pte_flags(pte) & _PAGE_DIRTY; -@@ -168,6 +210,11 @@ static inline unsigned long pud_pfn(pud_t pud) - return (pud_val(pud) & pud_pfn_mask(pud)) >> PAGE_SHIFT; - } - -+static inline unsigned long pgd_pfn(pgd_t pgd) -+{ -+ return (pgd_val(pgd) & PTE_PFN_MASK) >> PAGE_SHIFT; -+} -+ - #define pte_page(pte) pfn_to_page(pte_pfn(pte)) - - static inline int pmd_large(pmd_t pte) -@@ -224,9 +271,29 @@ static inline pte_t pte_wrprotect(pte_t pte) - return pte_clear_flags(pte, _PAGE_RW); - } - -+static inline pte_t pte_mkread(pte_t pte) -+{ -+ return __pte(pte_val(pte) | _PAGE_USER); -+} -+ - static inline pte_t pte_mkexec(pte_t pte) - { -- return pte_clear_flags(pte, _PAGE_NX); -+#ifdef CONFIG_X86_PAE -+ if (__supported_pte_mask & _PAGE_NX) -+ return pte_clear_flags(pte, _PAGE_NX); -+ else -+#endif -+ return pte_set_flags(pte, _PAGE_USER); -+} -+ -+static inline pte_t pte_exprotect(pte_t pte) -+{ -+#ifdef CONFIG_X86_PAE -+ if (__supported_pte_mask & _PAGE_NX) -+ return pte_set_flags(pte, _PAGE_NX); -+ else -+#endif -+ return pte_clear_flags(pte, _PAGE_USER); - } - - static inline pte_t pte_mkdirty(pte_t pte) -@@ -431,7 +498,7 @@ static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot) - - #define canon_pgprot(p) __pgprot(massage_pgprot(p)) - --static inline int is_new_memtype_allowed(u64 paddr, unsigned long size, -+static inline int is_new_memtype_allowed(u64 paddr, u64 size, - enum page_cache_mode pcm, - enum page_cache_mode new_pcm) - { -@@ -474,6 +541,16 @@ pte_t *populate_extra_pte(unsigned long vaddr); - #endif - - #ifndef __ASSEMBLY__ -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+extern pgd_t cpu_pgd[NR_CPUS][2][PTRS_PER_PGD]; -+enum cpu_pgd_type {kernel = 0, user = 1}; -+static inline pgd_t *get_cpu_pgd(unsigned int cpu, enum cpu_pgd_type type) -+{ -+ return cpu_pgd[cpu][type]; -+} -+#endif -+ - #include - #include - #include -@@ -675,7 +752,7 @@ static inline unsigned long pgd_page_vaddr(pgd_t pgd) - * Currently stuck as a macro due to indirect forward reference to - * linux/mmzone.h's __section_mem_map_addr() definition: - */ --#define pgd_page(pgd) pfn_to_page(pgd_val(pgd) >> PAGE_SHIFT) -+#define pgd_page(pgd) pfn_to_page((pgd_val(pgd) & PTE_PFN_MASK) >> PAGE_SHIFT) - - /* to find an entry in a page-table-directory. */ - static inline unsigned long pud_index(unsigned long address) -@@ -690,7 +767,7 @@ static inline pud_t *pud_offset(pgd_t *pgd, unsigned long address) - - static inline int pgd_bad(pgd_t pgd) - { -- return (pgd_flags(pgd) & ~_PAGE_USER) != _KERNPG_TABLE; -+ return (pgd_flags(pgd) & ~(_PAGE_USER | _PAGE_NX)) != _KERNPG_TABLE; - } - - static inline int pgd_none(pgd_t pgd) -@@ -719,7 +796,12 @@ static inline int pgd_none(pgd_t pgd) - * pgd_offset() returns a (pgd_t *) - * pgd_index() is used get the offset into the pgd page's array of pgd_t's; - */ --#define pgd_offset(mm, address) ((mm)->pgd + pgd_index((address))) -+#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+#define pgd_offset_cpu(cpu, type, address) (get_cpu_pgd(cpu, type) + pgd_index(address)) -+#endif -+ - /* - * a shortcut which implies the use of the kernel's pgd, instead - * of a process's -@@ -730,6 +812,25 @@ static inline int pgd_none(pgd_t pgd) - #define KERNEL_PGD_BOUNDARY pgd_index(PAGE_OFFSET) - #define KERNEL_PGD_PTRS (PTRS_PER_PGD - KERNEL_PGD_BOUNDARY) - -+#ifdef CONFIG_X86_32 -+#define USER_PGD_PTRS KERNEL_PGD_BOUNDARY -+#else -+#define TASK_SIZE_MAX_SHIFT CONFIG_TASK_SIZE_MAX_SHIFT -+#define USER_PGD_PTRS (_AC(1,UL) << (TASK_SIZE_MAX_SHIFT - PGDIR_SHIFT)) -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+#ifdef __ASSEMBLY__ -+#define pax_user_shadow_base pax_user_shadow_base(%rip) -+#else -+extern unsigned long pax_user_shadow_base; -+extern pgdval_t clone_pgd_mask; -+#endif -+#else -+#define pax_user_shadow_base (0UL) -+#endif -+ -+#endif -+ - #ifndef __ASSEMBLY__ - - extern int direct_gbpages; -@@ -901,11 +1002,24 @@ static inline void pmdp_set_wrprotect(struct mm_struct *mm, - * dst and src can be on the same page, but the range must not overlap, - * and must not cross a page boundary. - */ --static inline void clone_pgd_range(pgd_t *dst, pgd_t *src, int count) -+static inline void clone_pgd_range(pgd_t *dst, const pgd_t *src, int count) - { -- memcpy(dst, src, count * sizeof(pgd_t)); -+ pax_open_kernel(); -+ while (count--) -+ *dst++ = *src++; -+ pax_close_kernel(); - } - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+extern void __clone_user_pgds(pgd_t *dst, const pgd_t *src); -+#endif -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+extern void __shadow_user_pgds(pgd_t *dst, const pgd_t *src); -+#else -+static inline void __shadow_user_pgds(pgd_t *dst, const pgd_t *src) {} -+#endif -+ - #define PTE_SHIFT ilog2(PTRS_PER_PTE) - static inline int page_level_shift(enum pg_level level) - { -diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h -index b6c0b40..3535d47 100644 ---- a/arch/x86/include/asm/pgtable_32.h -+++ b/arch/x86/include/asm/pgtable_32.h -@@ -25,9 +25,6 @@ - struct mm_struct; - struct vm_area_struct; - --extern pgd_t swapper_pg_dir[1024]; --extern pgd_t initial_page_table[1024]; -- - static inline void pgtable_cache_init(void) { } - static inline void check_pgt_cache(void) { } - void paging_init(void); -@@ -45,6 +42,12 @@ void paging_init(void); - # include - #endif - -+extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; -+extern pgd_t initial_page_table[PTRS_PER_PGD]; -+#ifdef CONFIG_X86_PAE -+extern pmd_t swapper_pm_dir[PTRS_PER_PGD][PTRS_PER_PMD]; -+#endif -+ - #if defined(CONFIG_HIGHPTE) - #define pte_offset_map(dir, address) \ - ((pte_t *)kmap_atomic(pmd_page(*(dir))) + \ -@@ -59,12 +62,17 @@ void paging_init(void); - /* Clear a kernel PTE and flush it from the TLB */ - #define kpte_clear_flush(ptep, vaddr) \ - do { \ -+ pax_open_kernel(); \ - pte_clear(&init_mm, (vaddr), (ptep)); \ -+ pax_close_kernel(); \ - __flush_tlb_one((vaddr)); \ - } while (0) - - #endif /* !__ASSEMBLY__ */ - -+#define HAVE_ARCH_UNMAPPED_AREA -+#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN -+ - /* - * kern_addr_valid() is (1) for FLATMEM and (0) for - * SPARSEMEM and DISCONTIGMEM -diff --git a/arch/x86/include/asm/pgtable_32_types.h b/arch/x86/include/asm/pgtable_32_types.h -index 9fb2f2b..8e18c70 100644 ---- a/arch/x86/include/asm/pgtable_32_types.h -+++ b/arch/x86/include/asm/pgtable_32_types.h -@@ -8,7 +8,7 @@ - */ - #ifdef CONFIG_X86_PAE - # include --# define PMD_SIZE (1UL << PMD_SHIFT) -+# define PMD_SIZE (_AC(1, UL) << PMD_SHIFT) - # define PMD_MASK (~(PMD_SIZE - 1)) - #else - # include -@@ -46,6 +46,28 @@ extern bool __vmalloc_start_set; /* set once high_memory is set */ - # define VMALLOC_END (FIXADDR_START - 2 * PAGE_SIZE) - #endif - -+#ifdef CONFIG_PAX_KERNEXEC -+#ifndef __ASSEMBLY__ -+extern unsigned char MODULES_EXEC_VADDR[]; -+extern unsigned char MODULES_EXEC_END[]; -+ -+extern unsigned char __LOAD_PHYSICAL_ADDR[]; -+#define LOAD_PHYSICAL_ADDR ((unsigned long)__LOAD_PHYSICAL_ADDR) -+static inline unsigned long __intentional_overflow(-1) ktla_ktva(unsigned long addr) -+{ -+ return addr + LOAD_PHYSICAL_ADDR + PAGE_OFFSET; -+ -+} -+static inline unsigned long __intentional_overflow(-1) ktva_ktla(unsigned long addr) -+{ -+ return addr - LOAD_PHYSICAL_ADDR - PAGE_OFFSET; -+} -+#endif -+#else -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+#endif -+ - #define MODULES_VADDR VMALLOC_START - #define MODULES_END VMALLOC_END - #define MODULES_LEN (MODULES_VADDR - MODULES_END) -diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h -index 1cc82ec..ba29fd8 100644 ---- a/arch/x86/include/asm/pgtable_64.h -+++ b/arch/x86/include/asm/pgtable_64.h -@@ -16,11 +16,17 @@ - - extern pud_t level3_kernel_pgt[512]; - extern pud_t level3_ident_pgt[512]; -+extern pud_t level3_vmalloc_start_pgt[4][512]; -+extern pud_t level3_vmalloc_end_pgt[512]; -+extern pud_t level3_vmemmap_pgt[512]; -+extern pud_t level2_vmemmap_pgt[512]; - extern pmd_t level2_kernel_pgt[512]; - extern pmd_t level2_fixmap_pgt[512]; --extern pmd_t level2_ident_pgt[512]; --extern pte_t level1_fixmap_pgt[512]; --extern pgd_t init_level4_pgt[]; -+extern pmd_t level2_ident_pgt[2][512]; -+extern pte_t level1_modules_pgt[4][512]; -+extern pte_t level1_fixmap_pgt[3][512]; -+extern pte_t level1_vsyscall_pgt[512]; -+extern pgd_t init_level4_pgt[512]; - - #define swapper_pg_dir init_level4_pgt - -@@ -62,7 +68,9 @@ static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte) - - static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd) - { -+ pax_open_kernel(); - *pmdp = pmd; -+ pax_close_kernel(); - } - - static inline void native_pmd_clear(pmd_t *pmd) -@@ -98,7 +106,9 @@ static inline pmd_t native_pmdp_get_and_clear(pmd_t *xp) - - static inline void native_set_pud(pud_t *pudp, pud_t pud) - { -+ pax_open_kernel(); - *pudp = pud; -+ pax_close_kernel(); - } - - static inline void native_pud_clear(pud_t *pud) -@@ -108,6 +118,13 @@ static inline void native_pud_clear(pud_t *pud) - - static inline void native_set_pgd(pgd_t *pgdp, pgd_t pgd) - { -+ pax_open_kernel(); -+ *pgdp = pgd; -+ pax_close_kernel(); -+} -+ -+static inline void native_set_pgd_batched(pgd_t *pgdp, pgd_t pgd) -+{ - *pgdp = pgd; - } - -diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h -index 3a26420..ad31bde 100644 ---- a/arch/x86/include/asm/pgtable_64_types.h -+++ b/arch/x86/include/asm/pgtable_64_types.h -@@ -69,11 +69,16 @@ typedef struct { pteval_t pte; } pte_t; - #define MODULES_VADDR (__START_KERNEL_map + KERNEL_IMAGE_SIZE) - #define MODULES_END _AC(0xffffffffff000000, UL) - #define MODULES_LEN (MODULES_END - MODULES_VADDR) -+#define MODULES_EXEC_VADDR MODULES_VADDR -+#define MODULES_EXEC_END MODULES_END - #define ESPFIX_PGD_ENTRY _AC(-2, UL) - #define ESPFIX_BASE_ADDR (ESPFIX_PGD_ENTRY << PGDIR_SHIFT) - #define EFI_VA_START ( -4 * (_AC(1, UL) << 30)) - #define EFI_VA_END (-68 * (_AC(1, UL) << 30)) - -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - #define EARLY_DYNAMIC_PAGE_TABLES 64 - - #endif /* _ASM_X86_PGTABLE_64_DEFS_H */ -diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h -index 8b4de22..eaf50b8 100644 ---- a/arch/x86/include/asm/pgtable_types.h -+++ b/arch/x86/include/asm/pgtable_types.h -@@ -112,10 +112,14 @@ - - #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) - #define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_NX) -+#ifdef CONFIG_PAX_SEGMEXEC -+#define _PAGE_DEVMAP (_AT(pteval_t, 0)) -+#else - #define _PAGE_DEVMAP (_AT(u64, 1) << _PAGE_BIT_DEVMAP) - #define __HAVE_ARCH_PTE_DEVMAP -+#endif - #else --#define _PAGE_NX (_AT(pteval_t, 0)) -+#define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_SOFTW2) - #define _PAGE_DEVMAP (_AT(pteval_t, 0)) - #endif - -@@ -176,6 +180,9 @@ enum page_cache_mode { - #define PAGE_READONLY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ - _PAGE_ACCESSED) - -+#define PAGE_READONLY_NOEXEC PAGE_READONLY -+#define PAGE_SHARED_NOEXEC PAGE_SHARED -+ - #define __PAGE_KERNEL_EXEC \ - (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_GLOBAL) - #define __PAGE_KERNEL (__PAGE_KERNEL_EXEC | _PAGE_NX) -@@ -183,7 +190,7 @@ enum page_cache_mode { - #define __PAGE_KERNEL_RO (__PAGE_KERNEL & ~_PAGE_RW) - #define __PAGE_KERNEL_RX (__PAGE_KERNEL_EXEC & ~_PAGE_RW) - #define __PAGE_KERNEL_NOCACHE (__PAGE_KERNEL | _PAGE_NOCACHE) --#define __PAGE_KERNEL_VSYSCALL (__PAGE_KERNEL_RX | _PAGE_USER) -+#define __PAGE_KERNEL_VSYSCALL (__PAGE_KERNEL_RO | _PAGE_USER) - #define __PAGE_KERNEL_VVAR (__PAGE_KERNEL_RO | _PAGE_USER) - #define __PAGE_KERNEL_LARGE (__PAGE_KERNEL | _PAGE_PSE) - #define __PAGE_KERNEL_LARGE_EXEC (__PAGE_KERNEL_EXEC | _PAGE_PSE) -@@ -229,7 +236,7 @@ enum page_cache_mode { - #ifdef CONFIG_X86_64 - #define __PAGE_KERNEL_IDENT_LARGE_EXEC __PAGE_KERNEL_LARGE_EXEC - #else --#define PTE_IDENT_ATTR 0x003 /* PRESENT+RW */ -+#define PTE_IDENT_ATTR 0x063 /* PRESENT+RW+DIRTY+ACCESSED */ - #define PDE_IDENT_ATTR 0x063 /* PRESENT+RW+DIRTY+ACCESSED */ - #define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */ - #endif -@@ -271,7 +278,17 @@ static inline pgdval_t pgd_flags(pgd_t pgd) - { - return native_pgd_val(pgd) & PTE_FLAGS_MASK; - } -+#endif - -+#if CONFIG_PGTABLE_LEVELS == 3 -+#include -+#endif -+ -+#if CONFIG_PGTABLE_LEVELS == 2 -+#include -+#endif -+ -+#ifndef __ASSEMBLY__ - #if CONFIG_PGTABLE_LEVELS > 3 - typedef struct { pudval_t pud; } pud_t; - -@@ -285,8 +302,6 @@ static inline pudval_t native_pud_val(pud_t pud) - return pud.pud; - } - #else --#include -- - static inline pudval_t native_pud_val(pud_t pud) - { - return native_pgd_val(pud.pgd); -@@ -306,8 +321,6 @@ static inline pmdval_t native_pmd_val(pmd_t pmd) - return pmd.pmd; - } - #else --#include -- - static inline pmdval_t native_pmd_val(pmd_t pmd) - { - return native_pgd_val(pmd.pud.pgd); -@@ -424,7 +437,6 @@ typedef struct page *pgtable_t; - - extern pteval_t __supported_pte_mask; - extern void set_nx(void); --extern int nx_enabled; - - #define pgprot_writecombine pgprot_writecombine - extern pgprot_t pgprot_writecombine(pgprot_t prot); -diff --git a/arch/x86/include/asm/pmem.h b/arch/x86/include/asm/pmem.h -index 2c1ebeb..69c4605 100644 ---- a/arch/x86/include/asm/pmem.h -+++ b/arch/x86/include/asm/pmem.h -@@ -38,7 +38,7 @@ static inline void arch_memcpy_to_pmem(void *dst, const void *src, size_t n) - * fault) we would have already reported a general protection fault - * before the WARN+BUG. - */ -- rem = __copy_from_user_inatomic_nocache(dst, (void __user *) src, n); -+ rem = __copy_from_user_inatomic_nocache(dst, (void __force_user *) src, n); - if (WARN(rem, "%s: fault copying %p <- %p unwritten: %d\n", - __func__, dst, src, rem)) - BUG(); -diff --git a/arch/x86/include/asm/preempt.h b/arch/x86/include/asm/preempt.h -index 17f2186..f394307 100644 ---- a/arch/x86/include/asm/preempt.h -+++ b/arch/x86/include/asm/preempt.h -@@ -81,7 +81,7 @@ static __always_inline void __preempt_count_sub(int val) - */ - static __always_inline bool __preempt_count_dec_and_test(void) - { -- GEN_UNARY_RMWcc("decl", __preempt_count, __percpu_arg(0), e); -+ GEN_UNARY_RMWcc("decl", __preempt_count, -4, __percpu_arg(0), e); - } - - /* -diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h -index 83db0ea..0ad5d22 100644 ---- a/arch/x86/include/asm/processor.h -+++ b/arch/x86/include/asm/processor.h -@@ -136,7 +136,7 @@ struct cpuinfo_x86 { - /* Index into per_cpu list: */ - u16 cpu_index; - u32 microcode; --}; -+} __randomize_layout; - - #define X86_VENDOR_INTEL 0 - #define X86_VENDOR_CYRIX 1 -@@ -160,7 +160,7 @@ extern __u32 cpu_caps_cleared[NCAPINTS]; - extern __u32 cpu_caps_set[NCAPINTS]; - - #ifdef CONFIG_SMP --DECLARE_PER_CPU_READ_MOSTLY(struct cpuinfo_x86, cpu_info); -+DECLARE_PER_CPU_READ_ONLY(struct cpuinfo_x86, cpu_info); - #define cpu_data(cpu) per_cpu(cpu_info, cpu) - #else - #define cpu_info boot_cpu_data -@@ -206,9 +206,13 @@ static inline void native_cpuid(unsigned int *eax, unsigned int *ebx, - : "memory"); - } - -+#define PCID_KERNEL 0UL -+#define PCID_USER 1UL -+#define PCID_NOFLUSH (1UL << 63) -+ - static inline void load_cr3(pgd_t *pgdir) - { -- write_cr3(__pa(pgdir)); -+ write_cr3(__pa(pgdir) | PCID_KERNEL); - } - - #ifdef CONFIG_X86_32 -@@ -308,11 +312,9 @@ struct tss_struct { - - } ____cacheline_aligned; - --DECLARE_PER_CPU_SHARED_ALIGNED(struct tss_struct, cpu_tss); -+extern struct tss_struct cpu_tss[NR_CPUS]; - --#ifdef CONFIG_X86_32 - DECLARE_PER_CPU(unsigned long, cpu_current_top_of_stack); --#endif - - /* - * Save the original ist values for checking stack pointers during debugging -@@ -341,6 +343,7 @@ DECLARE_PER_CPU_FIRST(union irq_stack_union, irq_stack_union) __visible; - DECLARE_INIT_PER_CPU(irq_stack_union); - - DECLARE_PER_CPU(char *, irq_stack_ptr); -+DECLARE_PER_CPU(char *, irq_stack_ptr_lowmem); - DECLARE_PER_CPU(unsigned int, irq_count); - extern asmlinkage void ignore_sysret(void); - #else /* X86_64 */ -@@ -389,6 +392,7 @@ struct thread_struct { - unsigned short ds; - unsigned short fsindex; - unsigned short gsindex; -+ unsigned short ss; - #endif - - u32 status; /* thread synchronous flags */ -@@ -405,6 +409,9 @@ struct thread_struct { - unsigned long gs; - #endif - -+ /* Floating point and extended processor state */ -+ struct fpu fpu; -+ - /* Save middle states of ptrace breakpoints */ - struct perf_event *ptrace_bps[HBP_NUM]; - /* Debug status used for traps, single steps, etc... */ -@@ -426,17 +433,11 @@ struct thread_struct { - unsigned io_bitmap_max; - - mm_segment_t addr_limit; -+ unsigned long lowest_stack; - - unsigned int sig_on_uaccess_err:1; - unsigned int uaccess_err:1; /* uaccess failed */ -- -- /* Floating point and extended processor state */ -- struct fpu fpu; -- /* -- * WARNING: 'fpu' is dynamically-sized. It *MUST* be at -- * the end. -- */ --}; -+} __randomize_layout; - - /* - * Thread-synchronous status. -@@ -488,12 +489,8 @@ static inline void native_swapgs(void) - - static inline unsigned long current_top_of_stack(void) - { --#ifdef CONFIG_X86_64 -- return this_cpu_read_stable(cpu_tss.x86_tss.sp0); --#else - /* sp0 on x86_32 is special in and around vm86 mode. */ - return this_cpu_read_stable(cpu_current_top_of_stack); --#endif - } - - #ifdef CONFIG_PARAVIRT -@@ -718,20 +715,30 @@ static inline void spin_lock_prefetch(const void *x) - #define TOP_OF_INIT_STACK ((unsigned long)&init_stack + sizeof(init_stack) - \ - TOP_OF_KERNEL_STACK_PADDING) - -+extern union fpregs_state init_fpregs_state; -+ - #ifdef CONFIG_X86_32 - /* - * User space process size: 3GB (default). - */ - #define TASK_SIZE PAGE_OFFSET - #define TASK_SIZE_MAX TASK_SIZE -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+#define SEGMEXEC_TASK_SIZE (TASK_SIZE / 2) -+#define STACK_TOP ((current->mm->pax_flags & MF_PAX_SEGMEXEC)?SEGMEXEC_TASK_SIZE:TASK_SIZE) -+#else - #define STACK_TOP TASK_SIZE --#define STACK_TOP_MAX STACK_TOP -+#endif -+ -+#define STACK_TOP_MAX TASK_SIZE - - #define INIT_THREAD { \ - .sp0 = TOP_OF_INIT_STACK, \ - .sysenter_cs = __KERNEL_CS, \ - .io_bitmap_ptr = NULL, \ - .addr_limit = KERNEL_DS, \ -+ .fpu.state = &init_fpregs_state, \ - } - - /* -@@ -744,12 +751,7 @@ static inline void spin_lock_prefetch(const void *x) - * "struct pt_regs" is possible, but they may contain the - * completely wrong values. - */ --#define task_pt_regs(task) \ --({ \ -- unsigned long __ptr = (unsigned long)task_stack_page(task); \ -- __ptr += THREAD_SIZE - TOP_OF_KERNEL_STACK_PADDING; \ -- ((struct pt_regs *)__ptr) - 1; \ --}) -+#define task_pt_regs(tsk) ((struct pt_regs *)(tsk)->thread.sp0 - 1) - - #define KSTK_ESP(task) (task_pt_regs(task)->sp) - -@@ -763,13 +765,13 @@ static inline void spin_lock_prefetch(const void *x) - * particular problem by preventing anything from being mapped - * at the maximum canonical address. - */ --#define TASK_SIZE_MAX ((1UL << 47) - PAGE_SIZE) -+#define TASK_SIZE_MAX ((1UL << TASK_SIZE_MAX_SHIFT) - PAGE_SIZE) - - /* This decides where the kernel will search for a free chunk of vm - * space during mmap's. - */ - #define IA32_PAGE_OFFSET ((current->personality & ADDR_LIMIT_3GB) ? \ -- 0xc0000000 : 0xFFFFe000) -+ 0xc0000000 : 0xFFFFf000) - - #define TASK_SIZE (test_thread_flag(TIF_ADDR32) ? \ - IA32_PAGE_OFFSET : TASK_SIZE_MAX) -@@ -782,6 +784,7 @@ static inline void spin_lock_prefetch(const void *x) - #define INIT_THREAD { \ - .sp0 = TOP_OF_INIT_STACK, \ - .addr_limit = KERNEL_DS, \ -+ .fpu.state = &init_fpregs_state, \ - } - - #define task_pt_regs(tsk) ((struct pt_regs *)(tsk)->thread.sp0 - 1) -@@ -800,6 +803,10 @@ extern void start_thread(struct pt_regs *regs, unsigned long new_ip, - */ - #define TASK_UNMAPPED_BASE (PAGE_ALIGN(TASK_SIZE / 3)) - -+#ifdef CONFIG_PAX_SEGMEXEC -+#define SEGMEXEC_TASK_UNMAPPED_BASE (PAGE_ALIGN(SEGMEXEC_TASK_SIZE / 3)) -+#endif -+ - #define KSTK_EIP(task) (task_pt_regs(task)->ip) - - /* Get/set a process' ability to use the timestamp counter instruction */ -@@ -845,7 +852,7 @@ static inline uint32_t hypervisor_cpuid_base(const char *sig, uint32_t leaves) - return 0; - } - --extern unsigned long arch_align_stack(unsigned long sp); -+#define arch_align_stack(x) ((x) & ~0xfUL) - extern void free_init_pages(char *what, unsigned long begin, unsigned long end); - - void default_idle(void); -@@ -855,6 +862,6 @@ bool xen_set_default_idle(void); - #define xen_set_default_idle 0 - #endif - --void stop_this_cpu(void *dummy); -+void stop_this_cpu(void *dummy) __noreturn; - void df_debug(struct pt_regs *regs, long error_code); - #endif /* _ASM_X86_PROCESSOR_H */ -diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h -index 2b5d686..8693ed0 100644 ---- a/arch/x86/include/asm/ptrace.h -+++ b/arch/x86/include/asm/ptrace.h -@@ -118,15 +118,16 @@ static inline int v8086_mode(struct pt_regs *regs) - #ifdef CONFIG_X86_64 - static inline bool user_64bit_mode(struct pt_regs *regs) - { -+ unsigned long cs = regs->cs & 0xffff; - #ifndef CONFIG_PARAVIRT - /* - * On non-paravirt systems, this is the only long mode CPL 3 - * selector. We do not allow long mode selectors in the LDT. - */ -- return regs->cs == __USER_CS; -+ return cs == __USER_CS; - #else - /* Headers are too twisted for this to go in paravirt.h. */ -- return regs->cs == __USER_CS || regs->cs == pv_info.extra_user_64bit_cs; -+ return cs == __USER_CS || cs == pv_info.extra_user_64bit_cs; - #endif - } - -@@ -173,9 +174,11 @@ static inline unsigned long regs_get_register(struct pt_regs *regs, - * Traps from the kernel do not save sp and ss. - * Use the helper function to retrieve sp. - */ -- if (offset == offsetof(struct pt_regs, sp) && -- regs->cs == __KERNEL_CS) -- return kernel_stack_pointer(regs); -+ if (offset == offsetof(struct pt_regs, sp)) { -+ unsigned long cs = regs->cs & 0xffff; -+ if (cs == __KERNEL_CS || cs == __KERNEXEC_KERNEL_CS) -+ return kernel_stack_pointer(regs); -+ } - #endif - return *(unsigned long *)((unsigned long)regs + offset); - } -diff --git a/arch/x86/include/asm/qspinlock_paravirt.h b/arch/x86/include/asm/qspinlock_paravirt.h -index 9d55f9b..84e9a58 100644 ---- a/arch/x86/include/asm/qspinlock_paravirt.h -+++ b/arch/x86/include/asm/qspinlock_paravirt.h -@@ -48,15 +48,15 @@ asm (".pushsection .text;" - "jne .slowpath;" - "pop %rdx;" - FRAME_END -- "ret;" -+ PAX_RET(PV_UNLOCK)";" - ".slowpath: " - "push %rsi;" - "movzbl %al,%esi;" -- "call " PV_UNLOCK_SLOWPATH ";" -+ PAX_DIRECT_CALL(PV_UNLOCK_SLOWPATH)";" - "pop %rsi;" - "pop %rdx;" - FRAME_END -- "ret;" -+ PAX_RET(PV_UNLOCK)";" - ".size " PV_UNLOCK ", .-" PV_UNLOCK ";" - ".popsection"); - -diff --git a/arch/x86/include/asm/realmode.h b/arch/x86/include/asm/realmode.h -index 230e190..400b14c 100644 ---- a/arch/x86/include/asm/realmode.h -+++ b/arch/x86/include/asm/realmode.h -@@ -22,16 +22,14 @@ struct real_mode_header { - #endif - /* APM/BIOS reboot */ - u32 machine_real_restart_asm; --#ifdef CONFIG_X86_64 - u32 machine_real_restart_seg; --#endif - }; - - /* This must match data at trampoline_32/64.S */ - struct trampoline_header { - #ifdef CONFIG_X86_32 - u32 start; -- u16 gdt_pad; -+ u16 boot_cs; - u16 gdt_limit; - u32 gdt_base; - #else -diff --git a/arch/x86/include/asm/reboot.h b/arch/x86/include/asm/reboot.h -index 2cb1cc2..787d524 100644 ---- a/arch/x86/include/asm/reboot.h -+++ b/arch/x86/include/asm/reboot.h -@@ -6,13 +6,13 @@ - struct pt_regs; - - struct machine_ops { -- void (*restart)(char *cmd); -- void (*halt)(void); -- void (*power_off)(void); -+ void (* __noreturn restart)(char *cmd); -+ void (* __noreturn halt)(void); -+ void (* __noreturn power_off)(void); - void (*shutdown)(void); - void (*crash_shutdown)(struct pt_regs *); -- void (*emergency_restart)(void); --}; -+ void (* __noreturn emergency_restart)(void); -+} __no_const; - - extern struct machine_ops machine_ops; - -diff --git a/arch/x86/include/asm/rmwcc.h b/arch/x86/include/asm/rmwcc.h -index 661dd30..e804f84 100644 ---- a/arch/x86/include/asm/rmwcc.h -+++ b/arch/x86/include/asm/rmwcc.h -@@ -5,7 +5,19 @@ - - /* Use asm goto */ - --#define __GEN_RMWcc(fullop, var, cc, ...) \ -+#define __GEN_RMWcc(fullop, var, size, cc, ...) \ -+do { \ -+ asm_volatile_goto (fullop \ -+ "\n\t"__PAX_REFCOUNT(size) \ -+ ";j" #cc " %l[cc_label]" \ -+ : : [counter] "m" (var), ## __VA_ARGS__ \ -+ : "memory", "cc", "cx" : cc_label); \ -+ return 0; \ -+cc_label: \ -+ return 1; \ -+} while (0) -+ -+#define __GEN_RMWcc_unchecked(fullop, var, cc, ...) \ - do { \ - asm_volatile_goto (fullop "; j" #cc " %l[cc_label]" \ - : : "m" (var), ## __VA_ARGS__ \ -@@ -15,17 +27,34 @@ cc_label: \ - return 1; \ - } while (0) - --#define GEN_UNARY_RMWcc(op, var, arg0, cc) \ -- __GEN_RMWcc(op " " arg0, var, cc) -+#define GEN_UNARY_RMWcc(op, var, size, arg0, cc) \ -+ __GEN_RMWcc(op " " arg0, var, size, cc) - --#define GEN_BINARY_RMWcc(op, var, vcon, val, arg0, cc) \ -- __GEN_RMWcc(op " %1, " arg0, var, cc, vcon (val)) -+#define GEN_UNARY_RMWcc_unchecked(op, var, arg0, cc) \ -+ __GEN_RMWcc_unchecked(op " " arg0, var, cc) -+ -+#define GEN_BINARY_RMWcc(op, var, size, vcon, val, arg0, cc) \ -+ __GEN_RMWcc(op " %1, " arg0, var, size, cc, vcon (val)) -+ -+#define GEN_BINARY_RMWcc_unchecked(op, var, vcon, val, arg0, cc) \ -+ __GEN_RMWcc_unchecked(op " %1, " arg0, var, cc, vcon (val)) - - #else /* defined(__GCC_ASM_FLAG_OUTPUTS__) || !defined(CC_HAVE_ASM_GOTO) */ - - /* Use flags output or a set instruction */ - --#define __GEN_RMWcc(fullop, var, cc, ...) \ -+#define __GEN_RMWcc(fullop, var, size, cc, ...) \ -+do { \ -+ bool c; \ -+ asm volatile (fullop \ -+ "\n\t"__PAX_REFCOUNT(size) \ -+ ";" CC_SET(cc) \ -+ : [counter] "+m" (var), CC_OUT(cc) (c) \ -+ : __VA_ARGS__ : "memory", "cc", "cx"); \ -+ return c != 0; \ -+} while (0) -+ -+#define __GEN_RMWcc_unchecked(fullop, var, cc, ...) \ - do { \ - bool c; \ - asm volatile (fullop ";" CC_SET(cc) \ -@@ -34,11 +63,17 @@ do { \ - return c; \ - } while (0) - --#define GEN_UNARY_RMWcc(op, var, arg0, cc) \ -- __GEN_RMWcc(op " " arg0, var, cc) -+#define GEN_UNARY_RMWcc(op, var, size, arg0, cc) \ -+ __GEN_RMWcc(op " " arg0, var, size, cc) - --#define GEN_BINARY_RMWcc(op, var, vcon, val, arg0, cc) \ -- __GEN_RMWcc(op " %2, " arg0, var, cc, vcon (val)) -+#define GEN_UNARY_RMWcc_unchecked(op, var, arg0, cc) \ -+ __GEN_RMWcc_unchecked(op " " arg0, var, cc) -+ -+#define GEN_BINARY_RMWcc(op, var, size, vcon, val, arg0, cc) \ -+ __GEN_RMWcc(op " %2, " arg0, var, size, cc, vcon (val)) -+ -+#define GEN_BINARY_RMWcc_unchecked(op, var, vcon, val, arg0, cc) \ -+ __GEN_RMWcc_unchecked(op " %2, " arg0, var, cc, vcon (val)) - - #endif /* defined(__GCC_ASM_FLAG_OUTPUTS__) || !defined(CC_HAVE_ASM_GOTO) */ - -diff --git a/arch/x86/include/asm/rwsem.h b/arch/x86/include/asm/rwsem.h -index a34e0d4..5708ff7 100644 ---- a/arch/x86/include/asm/rwsem.h -+++ b/arch/x86/include/asm/rwsem.h -@@ -64,14 +64,15 @@ static inline void __down_read(struct rw_semaphore *sem) - { - asm volatile("# beginning down_read\n\t" - LOCK_PREFIX _ASM_INC "(%1)\n\t" -+ PAX_REFCOUNT_OVERFLOW(BITS_PER_LONG/8) - /* adds 0x00000001 */ - " jns 1f\n" - " call call_rwsem_down_read_failed\n" - "1:\n\t" - "# ending down_read\n\t" -- : "+m" (sem->count) -+ : [counter] "+m" (sem->count) - : "a" (sem) -- : "memory", "cc"); -+ : "memory", "cc", "cx"); - } - - /* -@@ -85,14 +86,15 @@ static inline bool __down_read_trylock(struct rw_semaphore *sem) - "1:\n\t" - " mov %1,%2\n\t" - " add %3,%2\n\t" -+ PAX_REFCOUNT_OVERFLOW(BITS_PER_LONG/8) - " jle 2f\n\t" - LOCK_PREFIX " cmpxchg %2,%0\n\t" - " jnz 1b\n\t" - "2:\n\t" - "# ending __down_read_trylock\n\t" -- : "+m" (sem->count), "=&a" (result), "=&r" (tmp) -+ : [counter] "+m" (sem->count), "=&a" (result), "=&r" (tmp) - : "i" (RWSEM_ACTIVE_READ_BIAS) -- : "memory", "cc"); -+ : "memory", "cc", "cx"); - return result >= 0; - } - -@@ -107,16 +109,17 @@ static inline bool __down_read_trylock(struct rw_semaphore *sem) - \ - asm volatile("# beginning down_write\n\t" \ - LOCK_PREFIX " xadd %1,(%4)\n\t" \ -+ PAX_REFCOUNT_OVERFLOW(BITS_PER_LONG/8)\ - /* adds 0xffff0001, returns the old value */ \ - " test " __ASM_SEL(%w1,%k1) "," __ASM_SEL(%w1,%k1) "\n\t" \ - /* was the active mask 0 before? */\ - " jz 1f\n" \ -- " call " slow_path "\n" \ -+ PAX_DIRECT_CALL(slow_path)"\n" \ - "1:\n" \ - "# ending down_write" \ -- : "+m" (sem->count), "=d" (tmp), "=a" (ret), "+r" (__sp) \ -+ : [counter] "+m" (sem->count), "=d" (tmp), "=a" (ret), "+r" (__sp) \ - : "a" (sem), "1" (RWSEM_ACTIVE_WRITE_BIAS) \ -- : "memory", "cc"); \ -+ : "memory", "cc", "cx"); \ - ret; \ - }) - -@@ -148,15 +151,16 @@ static inline bool __down_write_trylock(struct rw_semaphore *sem) - " jnz 2f\n\t" - " mov %1,%2\n\t" - " add %4,%2\n\t" -+ PAX_REFCOUNT_OVERFLOW(BITS_PER_LONG/8) - LOCK_PREFIX " cmpxchg %2,%0\n\t" - " jnz 1b\n\t" - "2:\n\t" - CC_SET(e) - "# ending __down_write_trylock\n\t" -- : "+m" (sem->count), "=&a" (tmp0), "=&r" (tmp1), -+ : [counter] "+m" (sem->count), "=&a" (tmp0), "=&r" (tmp1), - CC_OUT(e) (result) - : "er" (RWSEM_ACTIVE_WRITE_BIAS) -- : "memory"); -+ : "memory", "cx"); - return result; - } - -@@ -168,14 +172,15 @@ static inline void __up_read(struct rw_semaphore *sem) - long tmp; - asm volatile("# beginning __up_read\n\t" - LOCK_PREFIX " xadd %1,(%2)\n\t" -+ PAX_REFCOUNT_UNDERFLOW(BITS_PER_LONG/8) - /* subtracts 1, returns the old value */ - " jns 1f\n\t" - " call call_rwsem_wake\n" /* expects old value in %edx */ - "1:\n" - "# ending __up_read\n" -- : "+m" (sem->count), "=d" (tmp) -+ : [counter] "+m" (sem->count), "=d" (tmp) - : "a" (sem), "1" (-RWSEM_ACTIVE_READ_BIAS) -- : "memory", "cc"); -+ : "memory", "cc", "cx"); - } - - /* -@@ -186,14 +191,15 @@ static inline void __up_write(struct rw_semaphore *sem) - long tmp; - asm volatile("# beginning __up_write\n\t" - LOCK_PREFIX " xadd %1,(%2)\n\t" -+ PAX_REFCOUNT_UNDERFLOW(BITS_PER_LONG/8) - /* subtracts 0xffff0001, returns the old value */ - " jns 1f\n\t" - " call call_rwsem_wake\n" /* expects old value in %edx */ - "1:\n\t" - "# ending __up_write\n" -- : "+m" (sem->count), "=d" (tmp) -+ : [counter] "+m" (sem->count), "=d" (tmp) - : "a" (sem), "1" (-RWSEM_ACTIVE_WRITE_BIAS) -- : "memory", "cc"); -+ : "memory", "cc", "cx"); - } - - /* -@@ -203,6 +209,7 @@ static inline void __downgrade_write(struct rw_semaphore *sem) - { - asm volatile("# beginning __downgrade_write\n\t" - LOCK_PREFIX _ASM_ADD "%2,(%1)\n\t" -+ PAX_REFCOUNT_OVERFLOW(BITS_PER_LONG/8) - /* - * transitions 0xZZZZ0001 -> 0xYYYY0001 (i386) - * 0xZZZZZZZZ00000001 -> 0xYYYYYYYY00000001 (x86_64) -@@ -211,9 +218,9 @@ static inline void __downgrade_write(struct rw_semaphore *sem) - " call call_rwsem_downgrade_wake\n" - "1:\n\t" - "# ending __downgrade_write\n" -- : "+m" (sem->count) -+ : [counter] "+m" (sem->count) - : "a" (sem), "er" (-RWSEM_WAITING_BIAS) -- : "memory", "cc"); -+ : "memory", "cc", "cx"); - } - - #endif /* __KERNEL__ */ -diff --git a/arch/x86/include/asm/segment.h b/arch/x86/include/asm/segment.h -index 1549caa0..aa9ebe1 100644 ---- a/arch/x86/include/asm/segment.h -+++ b/arch/x86/include/asm/segment.h -@@ -83,14 +83,20 @@ - * 26 - ESPFIX small SS - * 27 - per-cpu [ offset to per-cpu data area ] - * 28 - stack_canary-20 [ for stack protector ] <=== cacheline #8 -- * 29 - unused -- * 30 - unused -+ * 29 - PCI BIOS CS -+ * 30 - PCI BIOS DS - * 31 - TSS for double fault handler - */ -+#define GDT_ENTRY_KERNEXEC_EFI_CS (1) -+#define GDT_ENTRY_KERNEXEC_EFI_DS (2) -+#define __KERNEXEC_EFI_CS (GDT_ENTRY_KERNEXEC_EFI_CS*8) -+#define __KERNEXEC_EFI_DS (GDT_ENTRY_KERNEXEC_EFI_DS*8) -+ - #define GDT_ENTRY_TLS_MIN 6 - #define GDT_ENTRY_TLS_MAX (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1) - - #define GDT_ENTRY_KERNEL_CS 12 -+#define GDT_ENTRY_KERNEXEC_KERNEL_CS 4 - #define GDT_ENTRY_KERNEL_DS 13 - #define GDT_ENTRY_DEFAULT_USER_CS 14 - #define GDT_ENTRY_DEFAULT_USER_DS 15 -@@ -107,6 +113,12 @@ - #define GDT_ENTRY_PERCPU 27 - #define GDT_ENTRY_STACK_CANARY 28 - -+#define GDT_ENTRY_PCIBIOS_CS 29 -+#define __PCIBIOS_DS (GDT_ENTRY_PCIBIOS_DS * 8) -+ -+#define GDT_ENTRY_PCIBIOS_DS 30 -+#define __PCIBIOS_CS (GDT_ENTRY_PCIBIOS_CS * 8) -+ - #define GDT_ENTRY_DOUBLEFAULT_TSS 31 - - /* -@@ -119,6 +131,7 @@ - */ - - #define __KERNEL_CS (GDT_ENTRY_KERNEL_CS*8) -+#define __KERNEXEC_KERNEL_CS (GDT_ENTRY_KERNEXEC_KERNEL_CS*8) - #define __KERNEL_DS (GDT_ENTRY_KERNEL_DS*8) - #define __USER_DS (GDT_ENTRY_DEFAULT_USER_DS*8 + 3) - #define __USER_CS (GDT_ENTRY_DEFAULT_USER_CS*8 + 3) -@@ -130,7 +143,7 @@ - #define PNP_CS16 (GDT_ENTRY_PNPBIOS_CS16*8) - - /* "Is this PNP code selector (PNP_CS32 or PNP_CS16)?" */ --#define SEGMENT_IS_PNP_CODE(x) (((x) & 0xf4) == PNP_CS32) -+#define SEGMENT_IS_PNP_CODE(x) (((x) & 0xFFFCU) == PNP_CS32 || ((x) & 0xFFFCU) == PNP_CS16) - - /* data segment for BIOS: */ - #define PNP_DS (GDT_ENTRY_PNPBIOS_DS*8) -@@ -177,6 +190,8 @@ - #define GDT_ENTRY_DEFAULT_USER_DS 5 - #define GDT_ENTRY_DEFAULT_USER_CS 6 - -+#define GDT_ENTRY_KERNEXEC_KERNEL_CS 7 -+ - /* Needs two entries */ - #define GDT_ENTRY_TSS 8 - /* Needs two entries */ -@@ -188,10 +203,12 @@ - /* Abused to load per CPU data from limit */ - #define GDT_ENTRY_PER_CPU 15 - -+#define GDT_ENTRY_UDEREF_KERNEL_DS 16 -+ - /* - * Number of entries in the GDT table: - */ --#define GDT_ENTRIES 16 -+#define GDT_ENTRIES 17 - - /* - * Segment selector values corresponding to the above entries: -@@ -201,7 +218,9 @@ - */ - #define __KERNEL32_CS (GDT_ENTRY_KERNEL32_CS*8) - #define __KERNEL_CS (GDT_ENTRY_KERNEL_CS*8) -+#define __KERNEXEC_KERNEL_CS (GDT_ENTRY_KERNEXEC_KERNEL_CS*8) - #define __KERNEL_DS (GDT_ENTRY_KERNEL_DS*8) -+#define __UDEREF_KERNEL_DS (GDT_ENTRY_UDEREF_KERNEL_DS*8) - #define __USER32_CS (GDT_ENTRY_DEFAULT_USER32_CS*8 + 3) - #define __USER_DS (GDT_ENTRY_DEFAULT_USER_DS*8 + 3) - #define __USER32_DS __USER_DS -diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h -index ac1d5da..6c4be50 100644 ---- a/arch/x86/include/asm/setup.h -+++ b/arch/x86/include/asm/setup.h -@@ -61,6 +61,7 @@ static inline void x86_ce4100_early_setup(void) { } - #ifndef _SETUP - - #include -+#include - #include - - /* -@@ -76,7 +77,7 @@ static inline bool kaslr_enabled(void) - - static inline unsigned long kaslr_offset(void) - { -- return (unsigned long)&_text - __START_KERNEL; -+ return ktla_ktva((unsigned long)&_text) - __START_KERNEL; - } - - /* -diff --git a/arch/x86/include/asm/smap.h b/arch/x86/include/asm/smap.h -index db33330..9356a63 100644 ---- a/arch/x86/include/asm/smap.h -+++ b/arch/x86/include/asm/smap.h -@@ -25,6 +25,18 @@ - - #include - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define ASM_PAX_OPEN_USERLAND \ -+ ALTERNATIVE "", "pax_direct_call __pax_open_userland", X86_FEATURE_STRONGUDEREF -+ -+#define ASM_PAX_CLOSE_USERLAND \ -+ ALTERNATIVE "", "pax_direct_call __pax_close_userland", X86_FEATURE_STRONGUDEREF -+ -+#else -+#define ASM_PAX_OPEN_USERLAND -+#define ASM_PAX_CLOSE_USERLAND -+#endif -+ - #ifdef CONFIG_X86_SMAP - - #define ASM_CLAC \ -@@ -40,10 +52,44 @@ - - #endif /* CONFIG_X86_SMAP */ - -+#define ASM_USER_ACCESS_BEGIN ASM_PAX_OPEN_USERLAND; ASM_STAC -+#define ASM_USER_ACCESS_END ASM_CLAC; ASM_PAX_CLOSE_USERLAND -+ - #else /* __ASSEMBLY__ */ - - #include - -+#define __HAVE_ARCH_PAX_OPEN_USERLAND -+#define __HAVE_ARCH_PAX_CLOSE_USERLAND -+ -+extern void __pax_open_userland(void); -+static __always_inline unsigned long pax_open_userland(void) -+{ -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ asm volatile(ALTERNATIVE("", PAX_DIRECT_CALL("%P[open]"), X86_FEATURE_STRONGUDEREF) -+ : -+ : [open] "i" (__pax_open_userland) -+ : "memory", "rax"); -+#endif -+ -+ return 0; -+} -+ -+extern void __pax_close_userland(void); -+static __always_inline unsigned long pax_close_userland(void) -+{ -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ asm volatile(ALTERNATIVE("", PAX_DIRECT_CALL("%P[close]"), X86_FEATURE_STRONGUDEREF) -+ : -+ : [close] "i" (__pax_close_userland) -+ : "memory", "rax"); -+#endif -+ -+ return 0; -+} -+ - #ifdef CONFIG_X86_SMAP - - static __always_inline void clac(void) -diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h -index 026ea82..31a5b19 100644 ---- a/arch/x86/include/asm/smp.h -+++ b/arch/x86/include/asm/smp.h -@@ -25,7 +25,7 @@ DECLARE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_core_map); - /* cpus sharing the last level cache: */ - DECLARE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_llc_shared_map); - DECLARE_PER_CPU_READ_MOSTLY(u16, cpu_llc_id); --DECLARE_PER_CPU_READ_MOSTLY(int, cpu_number); -+DECLARE_PER_CPU_READ_MOSTLY(unsigned int, cpu_number); - - static inline struct cpumask *cpu_llc_shared_mask(int cpu) - { -@@ -57,7 +57,7 @@ struct smp_ops { - - void (*send_call_func_ipi)(const struct cpumask *mask); - void (*send_call_func_single_ipi)(int cpu); --}; -+} __no_const; - - /* Globals due to paravirt */ - extern void set_cpu_sibling_map(int cpu); -diff --git a/arch/x86/include/asm/stackprotector.h b/arch/x86/include/asm/stackprotector.h -index 58505f0..bff3b5b 100644 ---- a/arch/x86/include/asm/stackprotector.h -+++ b/arch/x86/include/asm/stackprotector.h -@@ -49,7 +49,7 @@ - * head_32 for boot CPU and setup_per_cpu_areas() for others. - */ - #define GDT_STACK_CANARY_INIT \ -- [GDT_ENTRY_STACK_CANARY] = GDT_ENTRY_INIT(0x4090, 0, 0x18), -+ [GDT_ENTRY_STACK_CANARY] = GDT_ENTRY_INIT(0x4090, 0, 0x17), - - /* - * Initialize the stackprotector canary value. -@@ -114,7 +114,7 @@ static inline void setup_stack_canary_segment(int cpu) - - static inline void load_stack_canary_segment(void) - { --#ifdef CONFIG_X86_32 -+#if defined(CONFIG_X86_32) && !defined(CONFIG_PAX_MEMORY_UDEREF) - asm volatile ("mov %0, %%gs" : : "r" (0)); - #endif - } -diff --git a/arch/x86/include/asm/string_32.h b/arch/x86/include/asm/string_32.h -index 3d3e835..50b64b1 100644 ---- a/arch/x86/include/asm/string_32.h -+++ b/arch/x86/include/asm/string_32.h -@@ -6,28 +6,28 @@ - /* Let gcc decide whether to inline or use the out of line functions */ - - #define __HAVE_ARCH_STRCPY --extern char *strcpy(char *dest, const char *src); -+extern char *strcpy(char *dest, const char *src) __nocapture(2); - - #define __HAVE_ARCH_STRNCPY --extern char *strncpy(char *dest, const char *src, size_t count); -+extern char *strncpy(char *dest, const char *src, size_t count) __nocapture(2); - - #define __HAVE_ARCH_STRCAT --extern char *strcat(char *dest, const char *src); -+extern char *strcat(char *dest, const char *src) __nocapture(2); - - #define __HAVE_ARCH_STRNCAT --extern char *strncat(char *dest, const char *src, size_t count); -+extern char *strncat(char *dest, const char *src, size_t count) __nocapture(2); - - #define __HAVE_ARCH_STRCMP --extern int strcmp(const char *cs, const char *ct); -+extern int strcmp(const char *cs, const char *ct) __nocapture(); - - #define __HAVE_ARCH_STRNCMP --extern int strncmp(const char *cs, const char *ct, size_t count); -+extern int strncmp(const char *cs, const char *ct, size_t count) __nocapture(1, 2); - - #define __HAVE_ARCH_STRCHR --extern char *strchr(const char *s, int c); -+extern char *strchr(const char *s, int c) __nocapture(-1); - - #define __HAVE_ARCH_STRLEN --extern size_t strlen(const char *s); -+extern size_t strlen(const char *s) __nocapture(1); - - static __always_inline void *__memcpy(void *to, const void *from, size_t n) - { -@@ -197,12 +197,12 @@ static inline void *__memcpy3d(void *to, const void *from, size_t len) - #endif - - #define __HAVE_ARCH_MEMMOVE --void *memmove(void *dest, const void *src, size_t n); -+void *memmove(void *dest, const void *src, size_t n) __nocapture(2); - - #define memcmp __builtin_memcmp - - #define __HAVE_ARCH_MEMCHR --extern void *memchr(const void *cs, int c, size_t count); -+extern void *memchr(const void *cs, int c, size_t count) __nocapture(-1); - - static inline void *__memset_generic(void *s, char c, size_t count) - { -@@ -243,11 +243,11 @@ void *__constant_c_memset(void *s, unsigned long c, size_t count) - - /* Added by Gertjan van Wingerde to make minix and sysv module work */ - #define __HAVE_ARCH_STRNLEN --extern size_t strnlen(const char *s, size_t count); -+extern size_t strnlen(const char *s, size_t count) __nocapture(1); - /* end of additional stuff */ - - #define __HAVE_ARCH_STRSTR --extern char *strstr(const char *cs, const char *ct); -+extern char *strstr(const char *cs, const char *ct) __nocapture(-1, 2); - - /* - * This looks horribly ugly, but the compiler can optimize it totally, -diff --git a/arch/x86/include/asm/string_64.h b/arch/x86/include/asm/string_64.h -index a164862..a902568 100644 ---- a/arch/x86/include/asm/string_64.h -+++ b/arch/x86/include/asm/string_64.h -@@ -28,8 +28,8 @@ static __always_inline void *__inline_memcpy(void *to, const void *from, size_t - function. */ - - #define __HAVE_ARCH_MEMCPY 1 --extern void *memcpy(void *to, const void *from, size_t len); --extern void *__memcpy(void *to, const void *from, size_t len); -+extern void *memcpy(void *to, const void *from, size_t len) __nocapture(2); -+extern void *__memcpy(void *to, const void *from, size_t len) __nocapture(2); - - #ifndef CONFIG_KMEMCHECK - #if (__GNUC__ == 4 && __GNUC_MINOR__ < 3) || __GNUC__ < 4 -@@ -57,14 +57,14 @@ void *memset(void *s, int c, size_t n); - void *__memset(void *s, int c, size_t n); - - #define __HAVE_ARCH_MEMMOVE --void *memmove(void *dest, const void *src, size_t count); --void *__memmove(void *dest, const void *src, size_t count); -+void *memmove(void *dest, const void *src, size_t count) __nocapture(2); -+void *__memmove(void *dest, const void *src, size_t count) __nocapture(2); - --int memcmp(const void *cs, const void *ct, size_t count); --size_t strlen(const char *s); --char *strcpy(char *dest, const char *src); --char *strcat(char *dest, const char *src); --int strcmp(const char *cs, const char *ct); -+int memcmp(const void *cs, const void *ct, size_t count) __nocapture(1, 2); -+size_t strlen(const char *s) __nocapture(1); -+char *strcpy(char *dest, const char *src) __nocapture(2); -+char *strcat(char *dest, const char *src) __nocapture(2); -+int strcmp(const char *cs, const char *ct) __nocapture(1, 2); - - #if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__) - -@@ -96,7 +96,7 @@ DECLARE_STATIC_KEY_FALSE(mcsafe_key); - * - * Return 0 for success, -EFAULT for fail - */ --static __always_inline __must_check int -+static __always_inline __must_check __nocapture(2) int - memcpy_mcsafe(void *dst, const void *src, size_t cnt) - { - #ifdef CONFIG_X86_MCE -diff --git a/arch/x86/include/asm/suspend_64.h b/arch/x86/include/asm/suspend_64.h -index 6136a18..585dcbd 100644 ---- a/arch/x86/include/asm/suspend_64.h -+++ b/arch/x86/include/asm/suspend_64.h -@@ -44,6 +44,6 @@ struct saved_context { - /* routines for saving/restoring kernel state */ - extern int acpi_save_state_mem(void); - extern char core_restore_code; --extern char restore_registers; -+extern int restore_registers(void); - - #endif /* _ASM_X86_SUSPEND_64_H */ -diff --git a/arch/x86/include/asm/switch_to.h b/arch/x86/include/asm/switch_to.h -index 5cb436a..aba17e1 100644 ---- a/arch/x86/include/asm/switch_to.h -+++ b/arch/x86/include/asm/switch_to.h -@@ -42,7 +42,9 @@ struct inactive_task_frame { - unsigned long r15; - unsigned long r14; - unsigned long r13; -+#ifndef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR - unsigned long r12; -+#endif - #else - unsigned long si; - unsigned long di; -diff --git a/arch/x86/include/asm/sys_ia32.h b/arch/x86/include/asm/sys_ia32.h -index 82c34ee..940fa40 100644 ---- a/arch/x86/include/asm/sys_ia32.h -+++ b/arch/x86/include/asm/sys_ia32.h -@@ -20,8 +20,8 @@ - #include - - /* ia32/sys_ia32.c */ --asmlinkage long sys32_truncate64(const char __user *, unsigned long, unsigned long); --asmlinkage long sys32_ftruncate64(unsigned int, unsigned long, unsigned long); -+asmlinkage long sys32_truncate64(const char __user *, unsigned int, unsigned int); -+asmlinkage long sys32_ftruncate64(unsigned int, unsigned int, unsigned int); - - asmlinkage long sys32_stat64(const char __user *, struct stat64 __user *); - asmlinkage long sys32_lstat64(const char __user *, struct stat64 __user *); -@@ -42,7 +42,7 @@ long sys32_vm86_warning(void); - asmlinkage ssize_t sys32_readahead(int, unsigned, unsigned, size_t); - asmlinkage long sys32_sync_file_range(int, unsigned, unsigned, - unsigned, unsigned, int); --asmlinkage long sys32_fadvise64(int, unsigned, unsigned, size_t, int); -+asmlinkage long sys32_fadvise64(int, unsigned, unsigned, int, int); - asmlinkage long sys32_fallocate(int, int, unsigned, - unsigned, unsigned, unsigned); - -diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h -index 91dfcaf..8fda9d0 100644 ---- a/arch/x86/include/asm/syscalls.h -+++ b/arch/x86/include/asm/syscalls.h -@@ -21,7 +21,7 @@ asmlinkage long sys_ioperm(unsigned long, unsigned long, int); - asmlinkage long sys_iopl(unsigned int); - - /* kernel/ldt.c */ --asmlinkage int sys_modify_ldt(int, void __user *, unsigned long); -+asmlinkage long sys_modify_ldt(int, void __user *, unsigned long); - - /* kernel/signal.c */ - asmlinkage long sys_rt_sigreturn(void); -@@ -34,7 +34,7 @@ asmlinkage long sys_get_thread_area(struct user_desc __user *); - #ifdef CONFIG_X86_32 - - /* kernel/signal.c */ --asmlinkage unsigned long sys_sigreturn(void); -+asmlinkage long sys_sigreturn(void); - - /* kernel/vm86_32.c */ - struct vm86_struct; -diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h -index ad6f5eb0..1b4909d 100644 ---- a/arch/x86/include/asm/thread_info.h -+++ b/arch/x86/include/asm/thread_info.h -@@ -39,7 +39,7 @@ - # define TOP_OF_KERNEL_STACK_PADDING 8 - # endif - #else --# define TOP_OF_KERNEL_STACK_PADDING 0 -+# define TOP_OF_KERNEL_STACK_PADDING 16 - #endif - - /* -@@ -99,6 +99,7 @@ struct thread_info { - #define TIF_SYSCALL_TRACEPOINT 28 /* syscall tracepoint instrumentation */ - #define TIF_ADDR32 29 /* 32-bit address space on 64 bits */ - #define TIF_X32 30 /* 32-bit native x86-64 binary */ -+#define TIF_GRSEC_SETXID 31 /* update credentials on syscall entry/exit */ - - #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) - #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) -@@ -121,6 +122,7 @@ struct thread_info { - #define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT) - #define _TIF_ADDR32 (1 << TIF_ADDR32) - #define _TIF_X32 (1 << TIF_X32) -+#define _TIF_GRSEC_SETXID (1 << TIF_GRSEC_SETXID) - - /* - * work to do in syscall_trace_enter(). Also includes TIF_NOHZ for -@@ -129,12 +131,12 @@ struct thread_info { - #define _TIF_WORK_SYSCALL_ENTRY \ - (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_EMU | _TIF_SYSCALL_AUDIT | \ - _TIF_SECCOMP | _TIF_SYSCALL_TRACEPOINT | \ -- _TIF_NOHZ) -+ _TIF_NOHZ | _TIF_GRSEC_SETXID) - - /* work to do on any return to user space */ - #define _TIF_ALLWORK_MASK \ - ((0x0000FFFF & ~_TIF_SECCOMP) | _TIF_SYSCALL_TRACEPOINT | \ -- _TIF_NOHZ) -+ _TIF_NOHZ | _TIF_GRSEC_SETXID) - - /* flags to check in __switch_to() */ - #define _TIF_WORK_CTXSW \ -@@ -168,21 +170,21 @@ static inline unsigned long current_stack_pointer(void) - * entirely contained by a single stack frame. - * - * Returns: -- * 1 if within a frame -- * -1 if placed across a frame boundary (or outside stack) -- * 0 unable to determine (no frame pointers, etc) -+ * GOOD_FRAME if within a frame -+ * BAD_STACK if placed across a frame boundary (or outside stack) -+ * GOOD_STACK unable to determine (no frame pointers, etc) - */ --static inline int arch_within_stack_frames(const void * const stack, -- const void * const stackend, -- const void *obj, unsigned long len) -+static __always_inline int arch_within_stack_frames(unsigned long stack, -+ unsigned long stackend, -+ unsigned long obj, unsigned long len) - { - #if defined(CONFIG_FRAME_POINTER) -- const void *frame = NULL; -- const void *oldframe; -+ unsigned long frame = 0; -+ unsigned long oldframe; - -- oldframe = __builtin_frame_address(1); -+ oldframe = (unsigned long)__builtin_frame_address(1); - if (oldframe) -- frame = __builtin_frame_address(2); -+ frame = (unsigned long)__builtin_frame_address(2); - /* - * low ----------------------------------------------> high - * [saved bp][saved ip][args][local vars][saved bp][saved ip] -@@ -197,22 +199,16 @@ static inline int arch_within_stack_frames(const void * const stack, - * the copy as invalid. - */ - if (obj + len <= frame) -- return obj >= oldframe + 2 * sizeof(void *) ? 1 : -1; -+ return obj >= oldframe + 2 * sizeof(unsigned long) ? GOOD_FRAME : BAD_STACK; - oldframe = frame; -- frame = *(const void * const *)frame; -+ frame = *(unsigned long *)frame; - } -- return -1; -+ return BAD_STACK; - #else -- return 0; -+ return GOOD_STACK; - #endif - } - --#else /* !__ASSEMBLY__ */ -- --#ifdef CONFIG_X86_64 --# define cpu_current_top_of_stack (cpu_tss + TSS_sp0) --#endif -- - #endif - - #ifdef CONFIG_COMPAT -diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h -index fc5abff..58c5feb 100644 ---- a/arch/x86/include/asm/tlbflush.h -+++ b/arch/x86/include/asm/tlbflush.h -@@ -89,7 +89,9 @@ static inline void cr4_set_bits(unsigned long mask) - { - unsigned long cr4; - -+// BUG_ON(!arch_irqs_disabled()); - cr4 = this_cpu_read(cpu_tlbstate.cr4); -+ BUG_ON(cr4 != __read_cr4()); - if ((cr4 | mask) != cr4) { - cr4 |= mask; - this_cpu_write(cpu_tlbstate.cr4, cr4); -@@ -102,7 +104,9 @@ static inline void cr4_clear_bits(unsigned long mask) - { - unsigned long cr4; - -+// BUG_ON(!arch_irqs_disabled()); - cr4 = this_cpu_read(cpu_tlbstate.cr4); -+ BUG_ON(cr4 != __read_cr4()); - if ((cr4 & ~mask) != cr4) { - cr4 &= ~mask; - this_cpu_write(cpu_tlbstate.cr4, cr4); -@@ -113,6 +117,7 @@ static inline void cr4_clear_bits(unsigned long mask) - /* Read the CR4 shadow. */ - static inline unsigned long cr4_read_shadow(void) - { -+// BUG_ON(!arch_irqs_disabled()); - return this_cpu_read(cpu_tlbstate.cr4); - } - -@@ -135,6 +140,22 @@ static inline void cr4_set_bits_and_update_boot(unsigned long mask) - - static inline void __native_flush_tlb(void) - { -+ if (static_cpu_has(X86_FEATURE_INVPCID)) { -+ invpcid_flush_all_nonglobals(); -+ return; -+ } -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (static_cpu_has(X86_FEATURE_PCIDUDEREF)) { -+ unsigned int cpu = raw_get_cpu(); -+ -+ native_write_cr3(__pa(get_cpu_pgd(cpu, user)) | PCID_USER); -+ native_write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL); -+ raw_put_cpu_no_resched(); -+ return; -+ } -+#endif -+ - /* - * If current->mm == NULL then we borrow a mm which may change during a - * task switch and therefore we must not be preempted while we write CR3 -@@ -150,6 +171,7 @@ static inline void __native_flush_tlb_global_irq_disabled(void) - unsigned long cr4; - - cr4 = this_cpu_read(cpu_tlbstate.cr4); -+ BUG_ON(cr4 != __read_cr4()); - /* clear PGE */ - native_write_cr4(cr4 & ~X86_CR4_PGE); - /* write old PGE again and flush TLBs */ -@@ -183,6 +205,40 @@ static inline void __native_flush_tlb_global(void) - - static inline void __native_flush_tlb_single(unsigned long addr) - { -+ if (static_cpu_has(X86_FEATURE_INVPCID)) { -+ unsigned long pcid = PCID_KERNEL; -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (static_cpu_has(X86_FEATURE_PCIDUDEREF)) { -+ if (!static_cpu_has(X86_FEATURE_STRONGUDEREF) || addr >= TASK_SIZE_MAX) { -+ if (addr < TASK_SIZE_MAX) -+ invpcid_flush_one(pcid, addr + pax_user_shadow_base); -+ else -+ invpcid_flush_one(pcid, addr); -+ } -+ -+ pcid = PCID_USER; -+ } -+#endif -+ -+ invpcid_flush_one(pcid, addr); -+ return; -+ } -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (static_cpu_has(X86_FEATURE_PCIDUDEREF)) { -+ unsigned int cpu = raw_get_cpu(); -+ -+ native_write_cr3(__pa(get_cpu_pgd(cpu, user)) | PCID_USER | PCID_NOFLUSH); -+ asm volatile("invlpg (%0)" ::"r" (addr) : "memory"); -+ native_write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL | PCID_NOFLUSH); -+ raw_put_cpu_no_resched(); -+ -+ if (!static_cpu_has(X86_FEATURE_STRONGUDEREF) && addr < TASK_SIZE_MAX) -+ addr += pax_user_shadow_base; -+ } -+#endif -+ - asm volatile("invlpg (%0)" ::"r" (addr) : "memory"); - } - -diff --git a/arch/x86/include/asm/trace/fpu.h b/arch/x86/include/asm/trace/fpu.h -index 9217ab1..90c91bf 100644 ---- a/arch/x86/include/asm/trace/fpu.h -+++ b/arch/x86/include/asm/trace/fpu.h -@@ -25,8 +25,8 @@ DECLARE_EVENT_CLASS(x86_fpu, - __entry->fpstate_active = fpu->fpstate_active; - __entry->counter = fpu->counter; - if (boot_cpu_has(X86_FEATURE_OSXSAVE)) { -- __entry->xfeatures = fpu->state.xsave.header.xfeatures; -- __entry->xcomp_bv = fpu->state.xsave.header.xcomp_bv; -+ __entry->xfeatures = fpu->state->xsave.header.xfeatures; -+ __entry->xcomp_bv = fpu->state->xsave.header.xcomp_bv; - } - ), - TP_printk("x86/fpu: %p fpregs_active: %d fpstate_active: %d counter: %d xfeatures: %llx xcomp_bv: %llx", -diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h -index 01fd0a7..0ad067b 100644 ---- a/arch/x86/include/asm/traps.h -+++ b/arch/x86/include/asm/traps.h -@@ -10,7 +10,7 @@ - #define dotraplinkage __visible - - asmlinkage void divide_error(void); --asmlinkage void debug(void); -+asmlinkage void int1(void); - asmlinkage void nmi(void); - asmlinkage void int3(void); - asmlinkage void xen_debug(void); -@@ -38,6 +38,15 @@ asmlinkage void machine_check(void); - #endif /* CONFIG_X86_MCE */ - asmlinkage void simd_coprocessor_error(void); - -+#ifdef CONFIG_PAX_REFCOUNT -+asmlinkage void refcount_error(void); -+#endif -+ -+#ifdef CONFIG_PAX_RAP -+asmlinkage void rap_call_error(void); -+asmlinkage void rap_ret_error(void); -+#endif -+ - #ifdef CONFIG_TRACING - asmlinkage void trace_page_fault(void); - #define trace_stack_segment stack_segment -@@ -54,6 +63,9 @@ asmlinkage void trace_page_fault(void); - #define trace_alignment_check alignment_check - #define trace_simd_coprocessor_error simd_coprocessor_error - #define trace_async_page_fault async_page_fault -+#define trace_refcount_error refcount_error -+#define trace_rap_call_error rap_call_error -+#define trace_rap_ret_error rap_ret_error - #endif - - dotraplinkage void do_divide_error(struct pt_regs *, long); -@@ -107,7 +119,7 @@ extern int panic_on_unrecovered_nmi; - - void math_emulate(struct math_emu_info *); - #ifndef CONFIG_X86_32 --asmlinkage void smp_thermal_interrupt(void); -+asmlinkage void smp_thermal_interrupt(struct pt_regs *regs); - asmlinkage void smp_threshold_interrupt(void); - asmlinkage void smp_deferred_error_interrupt(void); - #endif -@@ -117,7 +129,7 @@ extern void ist_exit(struct pt_regs *regs); - extern void ist_begin_non_atomic(struct pt_regs *regs); - extern void ist_end_non_atomic(void); - --#ifdef CONFIG_VMAP_STACK -+#if defined(CONFIG_VMAP_STACK) || defined(CONFIG_GRKERNSEC_KSTACKOVERFLOW) - void __noreturn handle_stack_overflow(const char *message, - struct pt_regs *regs, - unsigned long fault_address); -@@ -145,6 +157,9 @@ enum { - X86_TRAP_AC, /* 17, Alignment Check */ - X86_TRAP_MC, /* 18, Machine Check */ - X86_TRAP_XF, /* 19, SIMD Floating-Point Exception */ -+ X86_TRAP_VE, /* 20, Virtualization Exception */ -+ X86_TRAP_CP, /* 21, Control Protection Exception */ -+ X86_TRAP_SX = 30, /* 30, Security Exception */ - X86_TRAP_IRET = 32, /* 32, IRET Exception */ - }; - -diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h -index faf3687..7624c7a 100644 ---- a/arch/x86/include/asm/uaccess.h -+++ b/arch/x86/include/asm/uaccess.h -@@ -8,6 +8,8 @@ - #include - #include - #include -+#include -+#include - #include - #include - #include -@@ -31,7 +33,12 @@ - - #define get_ds() (KERNEL_DS) - #define get_fs() (current->thread.addr_limit) -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+void __set_fs(mm_segment_t x); -+void set_fs(mm_segment_t x); -+#else - #define set_fs(x) (current->thread.addr_limit = (x)) -+#endif - - #define segment_eq(a, b) ((a).seg == (b).seg) - -@@ -88,8 +95,10 @@ static inline bool __chk_range_not_ok(unsigned long addr, unsigned long size, un - * checks that the pointer is in the user space range - after calling - * this function, memory access functions may still return -EFAULT. - */ -+#define access_ok_noprefault(type, addr, size) \ -+ likely(!__range_not_ok((addr), (size), user_addr_max())) - #define access_ok(type, addr, size) \ -- likely(!__range_not_ok(addr, size, user_addr_max())) -+ __access_ok(type, (unsigned long)(addr), (size_t)(size)) - - /* - * These are the main single-value transfer routines. They automatically -@@ -112,15 +121,27 @@ extern int __get_user_4(void); - extern int __get_user_8(void); - extern int __get_user_bad(void); - --#define __uaccess_begin() stac() --#define __uaccess_end() clac() -+#define __uaccess_begin() pax_open_userland(); stac() -+#define __uaccess_end() clac(); pax_close_userland() -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define __copyuser_seg "gs;" -+#define __COPYUSER_SET_ES "pushl %%gs; popl %%es\n" -+#define __COPYUSER_RESTORE_ES "pushl %%ss; popl %%es\n" -+#else -+#define __copyuser_seg -+#define __COPYUSER_SET_ES -+#define __COPYUSER_RESTORE_ES -+#endif - - /* -- * This is a type: either unsigned long, if the argument fits into -- * that type, or otherwise unsigned long long. -+ * This is a type: either (un)signed int, if the argument fits into -+ * that type, or otherwise (un)signed long long. - */ - #define __inttype(x) \ --__typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0UL), 0ULL, 0UL)) -+__typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0U), \ -+ __builtin_choose_expr(__type_is_unsigned(__typeof__(x)), 0ULL, 0LL),\ -+ __builtin_choose_expr(__type_is_unsigned(__typeof__(x)), 0U, 0))) - - /** - * get_user: - Get a simple variable from user space. -@@ -171,14 +192,12 @@ __typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0UL), 0ULL, 0UL)) - asm volatile("call __put_user_" #size : "=a" (__ret_pu) \ - : "0" ((typeof(*(ptr)))(x)), "c" (ptr) : "ebx") - -- -- - #ifdef CONFIG_X86_32 - #define __put_user_asm_u64(x, addr, err, errret) \ - asm volatile("\n" \ -- "1: movl %%eax,0(%2)\n" \ -- "2: movl %%edx,4(%2)\n" \ -- "3:" \ -+ "1: "__copyuser_seg"movl %%eax,0(%2)\n" \ -+ "2: "__copyuser_seg"movl %%edx,4(%2)\n" \ -+ "3:\n" \ - ".section .fixup,\"ax\"\n" \ - "4: movl %3,%0\n" \ - " jmp 3b\n" \ -@@ -190,9 +209,9 @@ __typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0UL), 0ULL, 0UL)) - - #define __put_user_asm_ex_u64(x, addr) \ - asm volatile("\n" \ -- "1: movl %%eax,0(%1)\n" \ -- "2: movl %%edx,4(%1)\n" \ -- "3:" \ -+ "1: "__copyuser_seg"movl %%eax,0(%1)\n" \ -+ "2: "__copyuser_seg"movl %%edx,4(%1)\n" \ -+ "3:\n" \ - _ASM_EXTABLE_EX(1b, 2b) \ - _ASM_EXTABLE_EX(2b, 3b) \ - : : "A" (x), "r" (addr)) -@@ -239,10 +258,10 @@ extern void __put_user_8(void); - #define put_user(x, ptr) \ - ({ \ - int __ret_pu; \ -- __typeof__(*(ptr)) __pu_val; \ -+ __inttype(*(ptr)) __pu_val; \ - __chk_user_ptr(ptr); \ - might_fault(); \ -- __pu_val = x; \ -+ __pu_val = (__inttype(*(ptr)))(x); \ - switch (sizeof(*(ptr))) { \ - case 1: \ - __put_user_x(1, __pu_val, ptr, __ret_pu); \ -@@ -315,10 +334,9 @@ do { \ - #define __get_user_asm_u64(x, ptr, retval, errret) \ - ({ \ - __typeof__(ptr) __ptr = (ptr); \ -- asm volatile(ASM_STAC "\n" \ -- "1: movl %2,%%eax\n" \ -+ asm volatile("1: movl %2,%%eax\n" \ - "2: movl %3,%%edx\n" \ -- "3: " ASM_CLAC "\n" \ -+ "3:\n" \ - ".section .fixup,\"ax\"\n" \ - "4: mov %4,%0\n" \ - " xorl %%eax,%%eax\n" \ -@@ -346,10 +364,10 @@ do { \ - __chk_user_ptr(ptr); \ - switch (size) { \ - case 1: \ -- __get_user_asm(x, ptr, retval, "b", "b", "=q", errret); \ -+ __get_user_asm(x, ptr, retval, "zbl", "k", "=r", errret);\ - break; \ - case 2: \ -- __get_user_asm(x, ptr, retval, "w", "w", "=r", errret); \ -+ __get_user_asm(x, ptr, retval, "zwl", "k", "=r", errret);\ - break; \ - case 4: \ - __get_user_asm(x, ptr, retval, "l", "k", "=r", errret); \ -@@ -363,17 +381,19 @@ do { \ - } while (0) - - #define __get_user_asm(x, addr, err, itype, rtype, ltype, errret) \ -+do { \ - asm volatile("\n" \ -- "1: mov"itype" %2,%"rtype"1\n" \ -+ "1: "__copyuser_seg"mov"itype" %2,%"rtype"1\n"\ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "3: mov %3,%0\n" \ -- " xor"itype" %"rtype"1,%"rtype"1\n" \ -+ " xorl %k1,%k1\n" \ - " jmp 2b\n" \ - ".previous\n" \ - _ASM_EXTABLE(1b, 3b) \ -- : "=r" (err), ltype(x) \ -- : "m" (__m(addr)), "i" (errret), "0" (err)) -+ : "=r" (err), ltype (x) \ -+ : "m" (__m(addr)), "i" (errret), "0" (err)); \ -+} while (0) - - /* - * This doesn't do __uaccess_begin/end - the exception handling -@@ -384,10 +404,10 @@ do { \ - __chk_user_ptr(ptr); \ - switch (size) { \ - case 1: \ -- __get_user_asm_ex(x, ptr, "b", "b", "=q"); \ -+ __get_user_asm_ex(x, ptr, "zbl", "k", "=r"); \ - break; \ - case 2: \ -- __get_user_asm_ex(x, ptr, "w", "w", "=r"); \ -+ __get_user_asm_ex(x, ptr, "zwl", "k", "=r"); \ - break; \ - case 4: \ - __get_user_asm_ex(x, ptr, "l", "k", "=r"); \ -@@ -401,10 +421,10 @@ do { \ - } while (0) - - #define __get_user_asm_ex(x, addr, itype, rtype, ltype) \ -- asm volatile("1: mov"itype" %1,%"rtype"0\n" \ -+ asm volatile("1: "__copyuser_seg"mov"itype" %1,%"rtype"0\n"\ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ -- "3:xor"itype" %"rtype"0,%"rtype"0\n" \ -+ "3:xorl %k0,%k0\n" \ - " jmp 2b\n" \ - ".previous\n" \ - _ASM_EXTABLE_EX(1b, 3b) \ -@@ -426,13 +446,24 @@ do { \ - __uaccess_begin(); \ - __get_user_size(__gu_val, (ptr), (size), __gu_err, -EFAULT); \ - __uaccess_end(); \ -- (x) = (__force __typeof__(*(ptr)))__gu_val; \ -+ (x) = (__typeof__(*(ptr)))__gu_val; \ - __builtin_expect(__gu_err, 0); \ - }) - - /* FIXME: this hack is definitely wrong -AK */ - struct __large_struct { unsigned long buf[100]; }; --#define __m(x) (*(struct __large_struct __user *)(x)) -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define ____m(x) \ -+({ \ -+ unsigned long ____x = (unsigned long)(x); \ -+ if (____x < pax_user_shadow_base) \ -+ ____x += pax_user_shadow_base; \ -+ (typeof(x))____x; \ -+}) -+#else -+#define ____m(x) (x) -+#endif -+#define __m(x) (*(struct __large_struct __user *)____m(x)) - - /* - * Tell gcc we read from memory instead of writing: this is because -@@ -440,8 +471,9 @@ struct __large_struct { unsigned long buf[100]; }; - * aliasing issues. - */ - #define __put_user_asm(x, addr, err, itype, rtype, ltype, errret) \ -+do { \ - asm volatile("\n" \ -- "1: mov"itype" %"rtype"1,%2\n" \ -+ "1: "__copyuser_seg"mov"itype" %"rtype"1,%2\n"\ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "3: mov %3,%0\n" \ -@@ -449,10 +481,11 @@ struct __large_struct { unsigned long buf[100]; }; - ".previous\n" \ - _ASM_EXTABLE(1b, 3b) \ - : "=r"(err) \ -- : ltype(x), "m" (__m(addr)), "i" (errret), "0" (err)) -+ : ltype (x), "m" (__m(addr)), "i" (errret), "0" (err));\ -+} while (0) - - #define __put_user_asm_ex(x, addr, itype, rtype, ltype) \ -- asm volatile("1: mov"itype" %"rtype"0,%1\n" \ -+ asm volatile("1: "__copyuser_seg"mov"itype" %"rtype"0,%1\n"\ - "2:\n" \ - _ASM_EXTABLE_EX(1b, 2b) \ - : : ltype(x), "m" (__m(addr))) -@@ -492,8 +525,12 @@ struct __large_struct { unsigned long buf[100]; }; - * On error, the variable @x is set to zero. - */ - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define __get_user(x, ptr) get_user((x), (ptr)) -+#else - #define __get_user(x, ptr) \ - __get_user_nocheck((x), (ptr), sizeof(*(ptr))) -+#endif - - /** - * __put_user: - Write a simple value into user space, with less checking. -@@ -516,8 +553,12 @@ struct __large_struct { unsigned long buf[100]; }; - * Returns zero on success, or -EFAULT on error. - */ - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define __put_user(x, ptr) put_user((x), (ptr)) -+#else - #define __put_user(x, ptr) \ - __put_user_nocheck((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr))) -+#endif - - #define __get_user_unaligned __get_user - #define __put_user_unaligned __put_user -@@ -535,7 +576,7 @@ struct __large_struct { unsigned long buf[100]; }; - #define get_user_ex(x, ptr) do { \ - unsigned long __gue_val; \ - __get_user_size_ex((__gue_val), (ptr), (sizeof(*(ptr)))); \ -- (x) = (__force __typeof__(*(ptr)))__gue_val; \ -+ (x) = (__typeof__(*(ptr)))__gue_val; \ - } while (0) - - #define put_user_try uaccess_try -@@ -553,7 +594,7 @@ extern __must_check long strlen_user(const char __user *str); - extern __must_check long strnlen_user(const char __user *str, long n); - - unsigned long __must_check clear_user(void __user *mem, unsigned long len); --unsigned long __must_check __clear_user(void __user *mem, unsigned long len); -+unsigned long __must_check __clear_user(void __user *mem, unsigned long len) __size_overflow(2); - - extern void __cmpxchg_wrong_size(void) - __compiletime_error("Bad argument size for cmpxchg"); -@@ -561,22 +602,22 @@ extern void __cmpxchg_wrong_size(void) - #define __user_atomic_cmpxchg_inatomic(uval, ptr, old, new, size) \ - ({ \ - int __ret = 0; \ -- __typeof__(ptr) __uval = (uval); \ -- __typeof__(*(ptr)) __old = (old); \ -- __typeof__(*(ptr)) __new = (new); \ -+ __typeof__(uval) __uval = (uval); \ -+ __typeof__(*(uval)) __old = (old); \ -+ __typeof__(*(uval)) __new = (new); \ - __uaccess_begin(); \ - switch (size) { \ - case 1: \ - { \ - asm volatile("\n" \ -- "1:\t" LOCK_PREFIX "cmpxchgb %4, %2\n" \ -+ "1:\t" LOCK_PREFIX __copyuser_seg"cmpxchgb %4, %2\n"\ - "2:\n" \ - "\t.section .fixup, \"ax\"\n" \ - "3:\tmov %3, %0\n" \ - "\tjmp 2b\n" \ - "\t.previous\n" \ - _ASM_EXTABLE(1b, 3b) \ -- : "+r" (__ret), "=a" (__old), "+m" (*(ptr)) \ -+ : "+r" (__ret), "=a" (__old), "+m" (*____m(ptr))\ - : "i" (-EFAULT), "q" (__new), "1" (__old) \ - : "memory" \ - ); \ -@@ -585,14 +626,14 @@ extern void __cmpxchg_wrong_size(void) - case 2: \ - { \ - asm volatile("\n" \ -- "1:\t" LOCK_PREFIX "cmpxchgw %4, %2\n" \ -+ "1:\t" LOCK_PREFIX __copyuser_seg"cmpxchgw %4, %2\n"\ - "2:\n" \ - "\t.section .fixup, \"ax\"\n" \ - "3:\tmov %3, %0\n" \ - "\tjmp 2b\n" \ - "\t.previous\n" \ - _ASM_EXTABLE(1b, 3b) \ -- : "+r" (__ret), "=a" (__old), "+m" (*(ptr)) \ -+ : "+r" (__ret), "=a" (__old), "+m" (*____m(ptr))\ - : "i" (-EFAULT), "r" (__new), "1" (__old) \ - : "memory" \ - ); \ -@@ -601,14 +642,14 @@ extern void __cmpxchg_wrong_size(void) - case 4: \ - { \ - asm volatile("\n" \ -- "1:\t" LOCK_PREFIX "cmpxchgl %4, %2\n" \ -+ "1:\t" LOCK_PREFIX __copyuser_seg"cmpxchgl %4, %2\n"\ - "2:\n" \ - "\t.section .fixup, \"ax\"\n" \ - "3:\tmov %3, %0\n" \ - "\tjmp 2b\n" \ - "\t.previous\n" \ - _ASM_EXTABLE(1b, 3b) \ -- : "+r" (__ret), "=a" (__old), "+m" (*(ptr)) \ -+ : "+r" (__ret), "=a" (__old), "+m" (*____m(ptr))\ - : "i" (-EFAULT), "r" (__new), "1" (__old) \ - : "memory" \ - ); \ -@@ -620,14 +661,14 @@ extern void __cmpxchg_wrong_size(void) - __cmpxchg_wrong_size(); \ - \ - asm volatile("\n" \ -- "1:\t" LOCK_PREFIX "cmpxchgq %4, %2\n" \ -+ "1:\t" LOCK_PREFIX __copyuser_seg"cmpxchgq %4, %2\n"\ - "2:\n" \ - "\t.section .fixup, \"ax\"\n" \ - "3:\tmov %3, %0\n" \ - "\tjmp 2b\n" \ - "\t.previous\n" \ - _ASM_EXTABLE(1b, 3b) \ -- : "+r" (__ret), "=a" (__old), "+m" (*(ptr)) \ -+ : "+r" (__ret), "=a" (__old), "+m" (*____m(ptr))\ - : "i" (-EFAULT), "r" (__new), "1" (__old) \ - : "memory" \ - ); \ -@@ -660,17 +701,6 @@ extern struct movsl_mask { - - #define ARCH_HAS_NOCACHE_UACCESS 1 - --#ifdef CONFIG_X86_32 --# include --#else --# include --#endif -- --unsigned long __must_check _copy_from_user(void *to, const void __user *from, -- unsigned n); --unsigned long __must_check _copy_to_user(void __user *to, const void *from, -- unsigned n); -- - extern void __compiletime_error("usercopy buffer size is too small") - __bad_copy_user(void); - -@@ -679,22 +709,30 @@ static inline void copy_user_overflow(int size, unsigned long count) - WARN(1, "Buffer overflow detected (%d < %lu)!\n", size, count); - } - -+#ifdef CONFIG_X86_32 -+# include -+#else -+# include -+#endif -+ - static __always_inline unsigned long __must_check - copy_from_user(void *to, const void __user *from, unsigned long n) - { -- int sz = __compiletime_object_size(to); -+ size_t sz = __compiletime_object_size(to); - - might_fault(); - - kasan_check_write(to, n); - -- if (likely(sz < 0 || sz >= n)) { -- check_object_size(to, n, false); -- n = _copy_from_user(to, from, n); -- } else if (!__builtin_constant_p(n)) -- copy_user_overflow(sz, n); -- else -- __bad_copy_user(); -+ if (unlikely(sz != (size_t)-1 && sz < n)) { -+ if (!__builtin_constant_p(n)) -+ copy_user_overflow(sz, n); -+ else -+ __bad_copy_user(); -+ } else if (access_ok(VERIFY_READ, from, n)) -+ n = __copy_from_user(to, from, n); -+ else if ((long)n > 0) -+ memset(to, 0, n); - - return n; - } -@@ -702,19 +740,19 @@ copy_from_user(void *to, const void __user *from, unsigned long n) - static __always_inline unsigned long __must_check - copy_to_user(void __user *to, const void *from, unsigned long n) - { -- int sz = __compiletime_object_size(from); -+ size_t sz = __compiletime_object_size(from); - - kasan_check_read(from, n); - - might_fault(); - -- if (likely(sz < 0 || sz >= n)) { -- check_object_size(from, n, true); -- n = _copy_to_user(to, from, n); -- } else if (!__builtin_constant_p(n)) -- copy_user_overflow(sz, n); -- else -- __bad_copy_user(); -+ if (unlikely(sz != (size_t)-1 && sz < n)) { -+ if (!__builtin_constant_p(n)) -+ copy_user_overflow(sz, n); -+ else -+ __bad_copy_user(); -+ } else if (access_ok(VERIFY_WRITE, to, n)) -+ n = __copy_to_user(to, from, n); - - return n; - } -diff --git a/arch/x86/include/asm/uaccess_32.h b/arch/x86/include/asm/uaccess_32.h -index 7d3bdd1..67d81f6 100644 ---- a/arch/x86/include/asm/uaccess_32.h -+++ b/arch/x86/include/asm/uaccess_32.h -@@ -34,9 +34,12 @@ unsigned long __must_check __copy_from_user_ll_nocache_nozero - * The caller should also make sure he pins the user space address - * so that we don't result in page fault and sleep. - */ --static __always_inline unsigned long __must_check -+static __always_inline __size_overflow(3) unsigned long __must_check - __copy_to_user_inatomic(void __user *to, const void *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - check_object_size(from, n, true); - return __copy_to_user_ll(to, from, n); - } -@@ -60,12 +63,17 @@ static __always_inline unsigned long __must_check - __copy_to_user(void __user *to, const void *from, unsigned long n) - { - might_fault(); -+ - return __copy_to_user_inatomic(to, from, n); - } - --static __always_inline unsigned long -+static __always_inline __size_overflow(3) unsigned long - __copy_from_user_inatomic(void *to, const void __user *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ -+ check_object_size(to, n, false); - return __copy_from_user_ll_nozero(to, from, n); - } - -@@ -96,6 +104,10 @@ static __always_inline unsigned long - __copy_from_user(void *to, const void __user *from, unsigned long n) - { - might_fault(); -+ -+ if ((long)n < 0) -+ return n; -+ - check_object_size(to, n, false); - if (__builtin_constant_p(n)) { - unsigned long ret; -@@ -125,6 +137,11 @@ static __always_inline unsigned long __copy_from_user_nocache(void *to, - const void __user *from, unsigned long n) - { - might_fault(); -+ -+ if ((long)n < 0) -+ return n; -+ -+ check_object_size(to, n, false); - if (__builtin_constant_p(n)) { - unsigned long ret; - -@@ -153,7 +170,11 @@ static __always_inline unsigned long - __copy_from_user_inatomic_nocache(void *to, const void __user *from, - unsigned long n) - { -- return __copy_from_user_ll_nocache_nozero(to, from, n); -+ if ((long)n < 0) -+ return n; -+ -+ check_object_size(to, n, false); -+ return __copy_from_user_ll_nocache_nozero(to, from, n); - } - - #endif /* _ASM_X86_UACCESS_32_H */ -diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h -index 673059a..0ec8310 100644 ---- a/arch/x86/include/asm/uaccess_64.h -+++ b/arch/x86/include/asm/uaccess_64.h -@@ -11,6 +11,7 @@ - #include - #include - #include -+#include - - /* - * Copy To/From Userspace -@@ -18,14 +19,14 @@ - - /* Handles exceptions in both to and from, but doesn't do access_ok */ - __must_check unsigned long --copy_user_enhanced_fast_string(void *to, const void *from, unsigned len); -+copy_user_enhanced_fast_string(void *to, const void *from, unsigned long len); - __must_check unsigned long --copy_user_generic_string(void *to, const void *from, unsigned len); -+copy_user_generic_string(void *to, const void *from, unsigned long len); - __must_check unsigned long --copy_user_generic_unrolled(void *to, const void *from, unsigned len); -+copy_user_generic_unrolled(void *to, const void *from, unsigned long len); - --static __always_inline __must_check unsigned long --copy_user_generic(void *to, const void *from, unsigned len) -+static __always_inline __must_check __size_overflow(3) unsigned long -+copy_user_generic(void *to, const void *from, unsigned long len) - { - unsigned ret; - -@@ -47,68 +48,86 @@ copy_user_generic(void *to, const void *from, unsigned len) - } - - __must_check unsigned long --copy_in_user(void __user *to, const void __user *from, unsigned len); -+copy_in_user(void __user *to, const void __user *from, unsigned long len); - - static __always_inline __must_check --int __copy_from_user_nocheck(void *dst, const void __user *src, unsigned size) -+unsigned long __copy_from_user_nocheck(void *dst, const void __user *src, unsigned long size) - { -- int ret = 0; -+ size_t sz = __compiletime_object_size(dst); -+ unsigned ret = 0; -+ -+ if (size > INT_MAX) -+ return size; - - check_object_size(dst, size, false); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!access_ok_noprefault(VERIFY_READ, src, size)) -+ return size; -+#endif -+ -+ if (unlikely(sz != (size_t)-1 && sz < size)) { -+ if(__builtin_constant_p(size)) -+ __bad_copy_user(); -+ else -+ copy_user_overflow(sz, size); -+ return size; -+ } -+ - if (!__builtin_constant_p(size)) -- return copy_user_generic(dst, (__force void *)src, size); -+ return copy_user_generic(dst, (__force_kernel const void *)____m(src), size); - switch (size) { - case 1: - __uaccess_begin(); -- __get_user_asm(*(u8 *)dst, (u8 __user *)src, -+ __get_user_asm(*(u8 *)dst, (const u8 __user *)src, - ret, "b", "b", "=q", 1); - __uaccess_end(); - return ret; - case 2: - __uaccess_begin(); -- __get_user_asm(*(u16 *)dst, (u16 __user *)src, -+ __get_user_asm(*(u16 *)dst, (const u16 __user *)src, - ret, "w", "w", "=r", 2); - __uaccess_end(); - return ret; - case 4: - __uaccess_begin(); -- __get_user_asm(*(u32 *)dst, (u32 __user *)src, -+ __get_user_asm(*(u32 *)dst, (const u32 __user *)src, - ret, "l", "k", "=r", 4); - __uaccess_end(); - return ret; - case 8: - __uaccess_begin(); -- __get_user_asm(*(u64 *)dst, (u64 __user *)src, -+ __get_user_asm(*(u64 *)dst, (const u64 __user *)src, - ret, "q", "", "=r", 8); - __uaccess_end(); - return ret; - case 10: - __uaccess_begin(); -- __get_user_asm(*(u64 *)dst, (u64 __user *)src, -+ __get_user_asm(*(u64 *)dst, (const u64 __user *)src, - ret, "q", "", "=r", 10); - if (likely(!ret)) - __get_user_asm(*(u16 *)(8 + (char *)dst), -- (u16 __user *)(8 + (char __user *)src), -+ (const u16 __user *)(8 + (const char __user *)src), - ret, "w", "w", "=r", 2); - __uaccess_end(); - return ret; - case 16: - __uaccess_begin(); -- __get_user_asm(*(u64 *)dst, (u64 __user *)src, -+ __get_user_asm(*(u64 *)dst, (const u64 __user *)src, - ret, "q", "", "=r", 16); - if (likely(!ret)) - __get_user_asm(*(u64 *)(8 + (char *)dst), -- (u64 __user *)(8 + (char __user *)src), -+ (const u64 __user *)(8 + (const char __user *)src), - ret, "q", "", "=r", 8); - __uaccess_end(); - return ret; - default: -- return copy_user_generic(dst, (__force void *)src, size); -+ return copy_user_generic(dst, (__force_kernel const void *)____m(src), size); - } - } - - static __always_inline __must_check --int __copy_from_user(void *dst, const void __user *src, unsigned size) -+unsigned long __copy_from_user(void *dst, const void __user *src, unsigned long size) - { - might_fault(); - kasan_check_write(dst, size); -@@ -116,67 +135,85 @@ int __copy_from_user(void *dst, const void __user *src, unsigned size) - } - - static __always_inline __must_check --int __copy_to_user_nocheck(void __user *dst, const void *src, unsigned size) -+unsigned long __copy_to_user_nocheck(void __user *dst, const void *src, unsigned long size) - { -- int ret = 0; -+ size_t sz = __compiletime_object_size(src); -+ unsigned ret = 0; -+ -+ if (size > INT_MAX) -+ return size; - - check_object_size(src, size, true); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!access_ok_noprefault(VERIFY_WRITE, dst, size)) -+ return size; -+#endif -+ -+ if (unlikely(sz != (size_t)-1 && sz < size)) { -+ if(__builtin_constant_p(size)) -+ __bad_copy_user(); -+ else -+ copy_user_overflow(sz, size); -+ return size; -+ } -+ - if (!__builtin_constant_p(size)) -- return copy_user_generic((__force void *)dst, src, size); -+ return copy_user_generic((__force_kernel void *)____m(dst), src, size); - switch (size) { - case 1: - __uaccess_begin(); -- __put_user_asm(*(u8 *)src, (u8 __user *)dst, -+ __put_user_asm(*(const u8 *)src, (u8 __user *)dst, - ret, "b", "b", "iq", 1); - __uaccess_end(); - return ret; - case 2: - __uaccess_begin(); -- __put_user_asm(*(u16 *)src, (u16 __user *)dst, -+ __put_user_asm(*(const u16 *)src, (u16 __user *)dst, - ret, "w", "w", "ir", 2); - __uaccess_end(); - return ret; - case 4: - __uaccess_begin(); -- __put_user_asm(*(u32 *)src, (u32 __user *)dst, -+ __put_user_asm(*(const u32 *)src, (u32 __user *)dst, - ret, "l", "k", "ir", 4); - __uaccess_end(); - return ret; - case 8: - __uaccess_begin(); -- __put_user_asm(*(u64 *)src, (u64 __user *)dst, -+ __put_user_asm(*(const u64 *)src, (u64 __user *)dst, - ret, "q", "", "er", 8); - __uaccess_end(); - return ret; - case 10: - __uaccess_begin(); -- __put_user_asm(*(u64 *)src, (u64 __user *)dst, -+ __put_user_asm(*(const u64 *)src, (u64 __user *)dst, - ret, "q", "", "er", 10); - if (likely(!ret)) { - asm("":::"memory"); -- __put_user_asm(4[(u16 *)src], 4 + (u16 __user *)dst, -+ __put_user_asm(4[(const u16 *)src], 4 + (u16 __user *)dst, - ret, "w", "w", "ir", 2); - } - __uaccess_end(); - return ret; - case 16: - __uaccess_begin(); -- __put_user_asm(*(u64 *)src, (u64 __user *)dst, -+ __put_user_asm(*(const u64 *)src, (u64 __user *)dst, - ret, "q", "", "er", 16); - if (likely(!ret)) { - asm("":::"memory"); -- __put_user_asm(1[(u64 *)src], 1 + (u64 __user *)dst, -+ __put_user_asm(1[(const u64 *)src], 1 + (u64 __user *)dst, - ret, "q", "", "er", 8); - } - __uaccess_end(); - return ret; - default: -- return copy_user_generic((__force void *)dst, src, size); -+ return copy_user_generic((__force_kernel void *)____m(dst), src, size); - } - } - - static __always_inline __must_check --int __copy_to_user(void __user *dst, const void *src, unsigned size) -+unsigned long __copy_to_user(void __user *dst, const void *src, unsigned long size) - { - might_fault(); - kasan_check_read(src, size); -@@ -184,19 +221,30 @@ int __copy_to_user(void __user *dst, const void *src, unsigned size) - } - - static __always_inline __must_check --int __copy_in_user(void __user *dst, const void __user *src, unsigned size) -+unsigned long __copy_in_user(void __user *dst, const void __user *src, unsigned size) - { -- int ret = 0; -+ unsigned ret = 0; - - might_fault(); -+ -+ if (size > INT_MAX) -+ return size; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!access_ok_noprefault(VERIFY_READ, src, size)) -+ return size; -+ if (!access_ok_noprefault(VERIFY_WRITE, dst, size)) -+ return size; -+#endif -+ - if (!__builtin_constant_p(size)) -- return copy_user_generic((__force void *)dst, -- (__force void *)src, size); -+ return copy_user_generic((__force_kernel void *)____m(dst), -+ (__force_kernel const void *)____m(src), size); - switch (size) { - case 1: { - u8 tmp; - __uaccess_begin(); -- __get_user_asm(tmp, (u8 __user *)src, -+ __get_user_asm(tmp, (const u8 __user *)src, - ret, "b", "b", "=q", 1); - if (likely(!ret)) - __put_user_asm(tmp, (u8 __user *)dst, -@@ -207,7 +255,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size) - case 2: { - u16 tmp; - __uaccess_begin(); -- __get_user_asm(tmp, (u16 __user *)src, -+ __get_user_asm(tmp, (const u16 __user *)src, - ret, "w", "w", "=r", 2); - if (likely(!ret)) - __put_user_asm(tmp, (u16 __user *)dst, -@@ -219,7 +267,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size) - case 4: { - u32 tmp; - __uaccess_begin(); -- __get_user_asm(tmp, (u32 __user *)src, -+ __get_user_asm(tmp, (const u32 __user *)src, - ret, "l", "k", "=r", 4); - if (likely(!ret)) - __put_user_asm(tmp, (u32 __user *)dst, -@@ -230,7 +278,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size) - case 8: { - u64 tmp; - __uaccess_begin(); -- __get_user_asm(tmp, (u64 __user *)src, -+ __get_user_asm(tmp, (const u64 __user *)src, - ret, "q", "", "=r", 8); - if (likely(!ret)) - __put_user_asm(tmp, (u64 __user *)dst, -@@ -239,45 +287,67 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size) - return ret; - } - default: -- return copy_user_generic((__force void *)dst, -- (__force void *)src, size); -+ return copy_user_generic((__force_kernel void *)____m(dst), -+ (__force_kernel const void *)____m(src), size); - } - } - --static __must_check __always_inline int --__copy_from_user_inatomic(void *dst, const void __user *src, unsigned size) -+static __must_check __always_inline unsigned long -+__copy_from_user_inatomic(void *dst, const void __user *src, unsigned long size) - { - kasan_check_write(dst, size); - return __copy_from_user_nocheck(dst, src, size); - } - --static __must_check __always_inline int --__copy_to_user_inatomic(void __user *dst, const void *src, unsigned size) -+static __must_check __always_inline unsigned long -+__copy_to_user_inatomic(void __user *dst, const void *src, unsigned long size) - { - kasan_check_read(src, size); - return __copy_to_user_nocheck(dst, src, size); - } - --extern long __copy_user_nocache(void *dst, const void __user *src, -- unsigned size, int zerorest); -+extern unsigned long __copy_user_nocache(void *dst, const void __user *src, -+ unsigned long size, int zerorest) __size_overflow(3); - --static inline int --__copy_from_user_nocache(void *dst, const void __user *src, unsigned size) -+static inline unsigned long -+__copy_from_user_nocache(void *dst, const void __user *src, unsigned long size) - { - might_fault(); - kasan_check_write(dst, size); -+ -+ if (size > INT_MAX) -+ return size; -+ -+ check_object_size(dst, size, false); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!access_ok_noprefault(VERIFY_READ, src, size)) -+ return size; -+#endif -+ - return __copy_user_nocache(dst, src, size, 1); - } - --static inline int -+static inline unsigned long - __copy_from_user_inatomic_nocache(void *dst, const void __user *src, -- unsigned size) -+ unsigned long size) - { - kasan_check_write(dst, size); -+ -+ if (size > INT_MAX) -+ return size; -+ -+ check_object_size(dst, size, false); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!access_ok_noprefault(VERIFY_READ, src, size)) -+ return size; -+#endif -+ - return __copy_user_nocache(dst, src, size, 0); - } - - unsigned long --copy_user_handle_tail(char *to, char *from, unsigned len); -+copy_user_handle_tail(void __user *to, const void __user *from, unsigned long len) __size_overflow(3); - - #endif /* _ASM_X86_UACCESS_64_H */ -diff --git a/arch/x86/include/asm/word-at-a-time.h b/arch/x86/include/asm/word-at-a-time.h -index 5b238981..77fdd78 100644 ---- a/arch/x86/include/asm/word-at-a-time.h -+++ b/arch/x86/include/asm/word-at-a-time.h -@@ -11,7 +11,7 @@ - * and shift, for example. - */ - struct word_at_a_time { -- const unsigned long one_bits, high_bits; -+ unsigned long one_bits, high_bits; - }; - - #define WORD_AT_A_TIME_CONSTANTS { REPEAT_BYTE(0x01), REPEAT_BYTE(0x80) } -diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h -index 6ba7931..dc843cd 100644 ---- a/arch/x86/include/asm/x86_init.h -+++ b/arch/x86/include/asm/x86_init.h -@@ -126,7 +126,7 @@ struct x86_init_ops { - struct x86_init_timers timers; - struct x86_init_iommu iommu; - struct x86_init_pci pci; --}; -+} __no_const; - - /** - * struct x86_cpuinit_ops - platform specific cpu hotplug setups -@@ -137,7 +137,7 @@ struct x86_cpuinit_ops { - void (*setup_percpu_clockev)(void); - void (*early_percpu_clock_init)(void); - void (*fixup_cpu_id)(struct cpuinfo_x86 *c, int node); --}; -+} __no_const; - - struct timespec; - -@@ -225,12 +225,12 @@ struct x86_msi_ops { - void (*teardown_msi_irq)(unsigned int irq); - void (*teardown_msi_irqs)(struct pci_dev *dev); - void (*restore_msi_irqs)(struct pci_dev *dev); --}; -+} __no_const; - - struct x86_io_apic_ops { - unsigned int (*read) (unsigned int apic, unsigned int reg); - void (*disable)(void); --}; -+} __no_const; - - extern struct x86_init_ops x86_init; - extern struct x86_cpuinit_ops x86_cpuinit; -diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h -index f5fb840..e45184e 100644 ---- a/arch/x86/include/asm/xen/page.h -+++ b/arch/x86/include/asm/xen/page.h -@@ -82,7 +82,7 @@ static inline int xen_safe_read_ulong(unsigned long *addr, unsigned long *val) - * - get_phys_to_machine() is to be called by __pfn_to_mfn() only in special - * cases needing an extended handling. - */ --static inline unsigned long __pfn_to_mfn(unsigned long pfn) -+static inline unsigned long __intentional_overflow(-1) __pfn_to_mfn(unsigned long pfn) - { - unsigned long mfn; - -diff --git a/arch/x86/include/uapi/asm/e820.h b/arch/x86/include/uapi/asm/e820.h -index 9dafe59..0293c1d 100644 ---- a/arch/x86/include/uapi/asm/e820.h -+++ b/arch/x86/include/uapi/asm/e820.h -@@ -69,7 +69,7 @@ struct e820map { - #define ISA_START_ADDRESS 0xa0000 - #define ISA_END_ADDRESS 0x100000 - --#define BIOS_BEGIN 0x000a0000 -+#define BIOS_BEGIN 0x000c0000 - #define BIOS_END 0x00100000 - - #define BIOS_ROM_BASE 0xffe00000 -diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile -index 79076d7..76acc70 100644 ---- a/arch/x86/kernel/Makefile -+++ b/arch/x86/kernel/Makefile -@@ -46,6 +46,7 @@ obj-$(CONFIG_MODIFY_LDT_SYSCALL) += ldt.o - obj-y += setup.o x86_init.o i8259.o irqinit.o jump_label.o - obj-$(CONFIG_IRQ_WORK) += irq_work.o - obj-y += probe_roms.o -+obj-$(CONFIG_X86_32) += sys_i386_32.o - obj-$(CONFIG_X86_64) += sys_x86_64.o mcount_64.o - obj-$(CONFIG_X86_ESPFIX64) += espfix_64.o - obj-$(CONFIG_SYSFS) += ksysfs.o -diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c -index 931ced8..6268c62 100644 ---- a/arch/x86/kernel/acpi/boot.c -+++ b/arch/x86/kernel/acpi/boot.c -@@ -1345,7 +1345,7 @@ static void __init acpi_reduced_hw_init(void) - * If your system is blacklisted here, but you find that acpi=force - * works for you, please contact linux-acpi@vger.kernel.org - */ --static struct dmi_system_id __initdata acpi_dmi_table[] = { -+static const struct dmi_system_id __initconst acpi_dmi_table[] = { - /* - * Boxes that need ACPI disabled - */ -@@ -1420,7 +1420,7 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = { - }; - - /* second table for DMI checks that should run after early-quirks */ --static struct dmi_system_id __initdata acpi_dmi_table_late[] = { -+static const struct dmi_system_id __initconst acpi_dmi_table_late[] = { - /* - * HP laptops which use a DSDT reporting as HP/SB400/10000, - * which includes some code which overrides all temperature -diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c -index 4858733..3353d988 100644 ---- a/arch/x86/kernel/acpi/sleep.c -+++ b/arch/x86/kernel/acpi/sleep.c -@@ -100,8 +100,12 @@ int x86_acpi_suspend_lowlevel(void) - #else /* CONFIG_64BIT */ - #ifdef CONFIG_SMP - initial_stack = (unsigned long)temp_stack + sizeof(temp_stack); -+ -+ pax_open_kernel(); - early_gdt_descr.address = - (unsigned long)get_cpu_gdt_table(smp_processor_id()); -+ pax_close_kernel(); -+ - initial_gs = per_cpu_offset(smp_processor_id()); - #endif - initial_code = (unsigned long)wakeup_long64; -diff --git a/arch/x86/kernel/acpi/wakeup_32.S b/arch/x86/kernel/acpi/wakeup_32.S -index 0c26b1b..dfa105a 100644 ---- a/arch/x86/kernel/acpi/wakeup_32.S -+++ b/arch/x86/kernel/acpi/wakeup_32.S -@@ -2,6 +2,7 @@ - #include - #include - #include -+#include - - # Copyright 2003, 2008 Pavel Machek , distribute under GPLv2 - -@@ -14,8 +15,6 @@ wakeup_pmode_return: - movw %ax, %ss - movw %ax, %fs - movw %ax, %gs -- -- movw $__USER_DS, %ax - movw %ax, %ds - movw %ax, %es - -@@ -31,13 +30,11 @@ wakeup_pmode_return: - # and restore the stack ... but you need gdt for this to work - movl saved_context_esp, %esp - -- movl %cs:saved_magic, %eax -- cmpl $0x12345678, %eax -+ cmpl $0x12345678, saved_magic - jne bogus_magic - - # jump to place where we left off -- movl saved_eip, %eax -- jmp *%eax -+ jmp *(saved_eip) - - bogus_magic: - jmp bogus_magic -@@ -59,7 +56,7 @@ save_registers: - popl saved_context_eflags - - movl $ret_point, saved_eip -- ret -+ pax_ret save_registers - - - restore_registers: -@@ -69,13 +66,14 @@ restore_registers: - movl saved_context_edi, %edi - pushl saved_context_eflags - popfl -- ret -+ ASM_CLAC -+ pax_ret restore_registers - - ENTRY(do_suspend_lowlevel) -- call save_processor_state -- call save_registers -+ pax_direct_call save_processor_state -+ pax_direct_call save_registers - pushl $3 -- call x86_acpi_enter_sleep_state -+ pax_direct_call x86_acpi_enter_sleep_state - addl $4, %esp - - # In case of S3 failure, we'll emerge here. Jump -@@ -83,9 +81,9 @@ ENTRY(do_suspend_lowlevel) - jmp ret_point - .p2align 4,,7 - ret_point: -- call restore_registers -- call restore_processor_state -- ret -+ pax_direct_call restore_registers -+ pax_direct_call restore_processor_state -+ pax_ret do_suspend_lowlevel - - .data - ALIGN -diff --git a/arch/x86/kernel/acpi/wakeup_64.S b/arch/x86/kernel/acpi/wakeup_64.S -index 169963f..55a72f5 100644 ---- a/arch/x86/kernel/acpi/wakeup_64.S -+++ b/arch/x86/kernel/acpi/wakeup_64.S -@@ -6,6 +6,7 @@ - #include - #include - #include -+#include - - # Copyright 2003 Pavel Machek , distribute under GPLv2 - -@@ -43,7 +44,7 @@ ENTRY(do_suspend_lowlevel) - FRAME_BEGIN - subq $8, %rsp - xorl %eax, %eax -- call save_processor_state -+ pax_direct_call save_processor_state - - movq $saved_context, %rax - movq %rsp, pt_regs_sp(%rax) -@@ -75,7 +76,7 @@ ENTRY(do_suspend_lowlevel) - addq $8, %rsp - movl $3, %edi - xorl %eax, %eax -- call x86_acpi_enter_sleep_state -+ pax_direct_call x86_acpi_enter_sleep_state - /* in case something went wrong, restore the machine status and go on */ - jmp .Lresume_point - -@@ -93,6 +94,7 @@ ENTRY(do_suspend_lowlevel) - movq %rbx, %cr0 - pushq pt_regs_flags(%rax) - popfq -+ ASM_CLAC - movq pt_regs_sp(%rax), %rsp - movq pt_regs_bp(%rax), %rbp - movq pt_regs_si(%rax), %rsi -diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c -index 5cb272a..5b3aa20 100644 ---- a/arch/x86/kernel/alternative.c -+++ b/arch/x86/kernel/alternative.c -@@ -21,6 +21,7 @@ - #include - #include - #include -+#include - - int __read_mostly alternatives_patched; - -@@ -262,7 +263,9 @@ static void __init_or_module add_nops(void *insns, unsigned int len) - unsigned int noplen = len; - if (noplen > ASM_NOP_MAX) - noplen = ASM_NOP_MAX; -+ pax_open_kernel(); - memcpy(insns, ideal_nops[noplen], noplen); -+ pax_close_kernel(); - insns += noplen; - len -= noplen; - } -@@ -290,6 +293,13 @@ recompute_jump(struct alt_instr *a, u8 *orig_insn, u8 *repl_insn, u8 *insnbuf) - if (a->replacementlen != 5) - return; - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (orig_insn < (u8 *)_text || (u8 *)_einittext <= orig_insn) -+ orig_insn = (u8 *)ktva_ktla((unsigned long)orig_insn); -+ else -+ orig_insn -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+#endif -+ - o_dspl = *(s32 *)(insnbuf + 1); - - /* next_rip of the replacement JMP */ -@@ -365,6 +375,7 @@ void __init_or_module apply_alternatives(struct alt_instr *start, - { - struct alt_instr *a; - u8 *instr, *replacement; -+ u8 *vinstr, *vreplacement; - u8 insnbuf[MAX_PATCH_LEN]; - - DPRINTK("alt table %p -> %p", start, end); -@@ -380,46 +391,81 @@ void __init_or_module apply_alternatives(struct alt_instr *start, - for (a = start; a < end; a++) { - int insnbuf_sz = 0; - -- instr = (u8 *)&a->instr_offset + a->instr_offset; -- replacement = (u8 *)&a->repl_offset + a->repl_offset; -+ vinstr = instr = (u8 *)&a->instr_offset + a->instr_offset; -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if ((u8 *)_text - (____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR) <= instr && -+ instr < (u8 *)_einittext - (____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR)) { -+ instr += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+ vinstr = (u8 *)ktla_ktva((unsigned long)instr); -+ } else if ((u8 *)_text <= instr && instr < (u8 *)_einittext) { -+ vinstr = (u8 *)ktla_ktva((unsigned long)instr); -+ } else { -+ instr = (u8 *)ktva_ktla((unsigned long)instr); -+ } -+#endif -+ -+ vreplacement = replacement = (u8 *)&a->repl_offset + a->repl_offset; -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if ((u8 *)_text - (____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR) <= replacement && -+ replacement < (u8 *)_einittext - (____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR)) { -+ replacement += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+ vreplacement = (u8 *)ktla_ktva((unsigned long)replacement); -+ } else if ((u8 *)_text <= replacement && replacement < (u8 *)_einittext) { -+ vreplacement = (u8 *)ktla_ktva((unsigned long)replacement); -+ } else -+ replacement = (u8 *)ktva_ktla((unsigned long)replacement); -+#endif -+ - BUG_ON(a->instrlen > sizeof(insnbuf)); - BUG_ON(a->cpuid >= (NCAPINTS + NBUGINTS) * 32); - if (!boot_cpu_has(a->cpuid)) { - if (a->padlen > 1) -- optimize_nops(a, instr); -+ optimize_nops(a, vinstr); - - continue; - } - -- DPRINTK("feat: %d*32+%d, old: (%p, len: %d), repl: (%p, len: %d), pad: %d", -+ DPRINTK("feat: %d*32+%d, old: (%p/%p, len: %d), repl: (%p, len: %d), pad: %d", - a->cpuid >> 5, - a->cpuid & 0x1f, -- instr, a->instrlen, -- replacement, a->replacementlen, a->padlen); -+ instr, vinstr, a->instrlen, -+ vreplacement, a->replacementlen, a->padlen); - -- DUMP_BYTES(instr, a->instrlen, "%p: old_insn: ", instr); -- DUMP_BYTES(replacement, a->replacementlen, "%p: rpl_insn: ", replacement); -+ DUMP_BYTES(vinstr, a->instrlen, "%p: old_insn: ", vinstr); -+ DUMP_BYTES(vreplacement, a->replacementlen, "%p: rpl_insn: ", vreplacement); - -- memcpy(insnbuf, replacement, a->replacementlen); -+ memcpy(insnbuf, vreplacement, a->replacementlen); - insnbuf_sz = a->replacementlen; - -- /* 0xe8 is a relative jump; fix the offset. */ -+ /* 0xe8 is a call; fix the relative offset. */ - if (*insnbuf == 0xe8 && a->replacementlen == 5) { -- *(s32 *)(insnbuf + 1) += replacement - instr; -+ *(s32 *)(insnbuf + 1) += vreplacement - instr; - DPRINTK("Fix CALL offset: 0x%x, CALL 0x%lx", - *(s32 *)(insnbuf + 1), -- (unsigned long)instr + *(s32 *)(insnbuf + 1) + 5); -+ (unsigned long)vinstr + *(s32 *)(insnbuf + 1) + 5); - } - -- if (a->replacementlen && is_jmp(replacement[0])) -- recompute_jump(a, instr, replacement, insnbuf); -+#ifdef CONFIG_PAX_RAP -+ /* 0xeb ... 0xe8 is a rap_call; fix the relative offset. */ -+ if (*insnbuf == 0xeb && a->replacementlen == 5 + 3 + 8 + 2 && insnbuf[a->replacementlen - 5] == 0xe8) { -+ *(s32 *)(insnbuf + a->replacementlen - 4) += vreplacement - instr; -+ DPRINTK("Fix CALL offset: 0x%x, CALL 0x%lx", -+ *(s32 *)(insnbuf + a->replacementlen - 4), -+ (unsigned long)vinstr + *(s32 *)(insnbuf + a->replacementlen - 4) + 5); -+ } -+#endif -+ -+ if (a->replacementlen && is_jmp(vreplacement[0])) -+ recompute_jump(a, instr, vreplacement, insnbuf); - - if (a->instrlen > a->replacementlen) { - add_nops(insnbuf + a->replacementlen, - a->instrlen - a->replacementlen); - insnbuf_sz += a->instrlen - a->replacementlen; - } -- DUMP_BYTES(insnbuf, insnbuf_sz, "%p: final_insn: ", instr); -+ DUMP_BYTES(insnbuf, insnbuf_sz, "%p: final_insn: ", vinstr); - - text_poke_early(instr, insnbuf, insnbuf_sz); - } -@@ -435,10 +481,16 @@ static void alternatives_smp_lock(const s32 *start, const s32 *end, - for (poff = start; poff < end; poff++) { - u8 *ptr = (u8 *)poff + *poff; - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ ptr += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+ if (ptr < (u8 *)_text || (u8 *)_einittext <= ptr) -+ ptr -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+#endif -+ - if (!*poff || ptr < text || ptr >= text_end) - continue; - /* turn DS segment override prefix into lock prefix */ -- if (*ptr == 0x3e) -+ if (*(u8 *)ktla_ktva((unsigned long)ptr) == 0x3e) - text_poke(ptr, ((unsigned char []){0xf0}), 1); - } - mutex_unlock(&text_mutex); -@@ -453,10 +505,16 @@ static void alternatives_smp_unlock(const s32 *start, const s32 *end, - for (poff = start; poff < end; poff++) { - u8 *ptr = (u8 *)poff + *poff; - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ ptr += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+ if (ptr < (u8 *)_text || (u8 *)_einittext <= ptr) -+ ptr -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+#endif -+ - if (!*poff || ptr < text || ptr >= text_end) - continue; - /* turn lock prefix into DS segment override prefix */ -- if (*ptr == 0xf0) -+ if (*(u8 *)ktla_ktva((unsigned long)ptr) == 0xf0) - text_poke(ptr, ((unsigned char []){0x3E}), 1); - } - mutex_unlock(&text_mutex); -@@ -545,7 +603,9 @@ void alternatives_enable_smp(void) - if (uniproc_patched) { - pr_info("switching to SMP code\n"); - BUG_ON(num_online_cpus() != 1); -+ pax_open_kernel(); - clear_cpu_cap(&boot_cpu_data, X86_FEATURE_UP); -+ pax_close_kernel(); - clear_cpu_cap(&cpu_data(0), X86_FEATURE_UP); - list_for_each_entry(mod, &smp_alt_modules, next) - alternatives_smp_lock(mod->locks, mod->locks_end, -@@ -593,7 +653,7 @@ void __init_or_module apply_paravirt(struct paravirt_patch_site *start, - - BUG_ON(p->len > MAX_PATCH_LEN); - /* prep the buffer with the original instructions */ -- memcpy(insnbuf, p->instr, p->len); -+ memcpy(insnbuf, (const void *)ktla_ktva((unsigned long)p->instr), p->len); - used = pv_init_ops.patch(p->instrtype, p->clobbers, insnbuf, - (unsigned long)p->instr, p->len); - -@@ -640,7 +700,7 @@ void __init alternative_instructions(void) - if (!uniproc_patched || num_possible_cpus() == 1) - free_init_pages("SMP alternatives", - (unsigned long)__smp_locks, -- (unsigned long)__smp_locks_end); -+ PAGE_ALIGN((unsigned long)__smp_locks_end)); - #endif - - apply_paravirt(__parainstructions, __parainstructions_end); -@@ -661,13 +721,17 @@ void __init alternative_instructions(void) - * instructions. And on the local CPU you need to be protected again NMI or MCE - * handlers seeing an inconsistent instruction while you patch. - */ --void *__init_or_module text_poke_early(void *addr, const void *opcode, -+void *__kprobes text_poke_early(void *addr, const void *opcode, - size_t len) - { - unsigned long flags; - local_irq_save(flags); -- memcpy(addr, opcode, len); -+ -+ pax_open_kernel(); -+ memcpy((void *)ktla_ktva((unsigned long)addr), opcode, len); - sync_core(); -+ pax_close_kernel(); -+ - local_irq_restore(flags); - /* Could also do a CLFLUSH here to speed up CPU recovery; but - that causes hangs on some VIA CPUs. */ -@@ -689,20 +753,29 @@ void *__init_or_module text_poke_early(void *addr, const void *opcode, - */ - void *text_poke(void *addr, const void *opcode, size_t len) - { -- unsigned long flags; -- char *vaddr; -+ unsigned char *vaddr = (void *)ktla_ktva((unsigned long)addr); - struct page *pages[2]; -- int i; -+ size_t i; -+ -+#ifndef CONFIG_PAX_KERNEXEC -+ unsigned long flags; -+#endif - - if (!core_kernel_text((unsigned long)addr)) { -- pages[0] = vmalloc_to_page(addr); -- pages[1] = vmalloc_to_page(addr + PAGE_SIZE); -+ pages[0] = vmalloc_to_page(vaddr); -+ pages[1] = vmalloc_to_page(vaddr + PAGE_SIZE); - } else { -- pages[0] = virt_to_page(addr); -+ pages[0] = virt_to_page(vaddr); - WARN_ON(!PageReserved(pages[0])); -- pages[1] = virt_to_page(addr + PAGE_SIZE); -+ pages[1] = virt_to_page(vaddr + PAGE_SIZE); - } - BUG_ON(!pages[0]); -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ text_poke_early(addr, opcode, len); -+ for (i = 0; i < len; i++) -+ BUG_ON((vaddr)[i] != ((const unsigned char *)opcode)[i]); -+#else - local_irq_save(flags); - set_fixmap(FIX_TEXT_POKE0, page_to_phys(pages[0])); - if (pages[1]) -@@ -719,6 +792,7 @@ void *text_poke(void *addr, const void *opcode, size_t len) - for (i = 0; i < len; i++) - BUG_ON(((char *)addr)[i] != ((char *)opcode)[i]); - local_irq_restore(flags); -+#endif - return addr; - } - -@@ -772,7 +846,7 @@ int poke_int3_handler(struct pt_regs *regs) - */ - void *text_poke_bp(void *addr, const void *opcode, size_t len, void *handler) - { -- unsigned char int3 = 0xcc; -+ const unsigned char int3 = 0xcc; - - bp_int3_handler = handler; - bp_int3_addr = (u8 *)addr + sizeof(int3); -diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c -index f223491..9083344 100644 ---- a/arch/x86/kernel/apic/apic.c -+++ b/arch/x86/kernel/apic/apic.c -@@ -181,7 +181,7 @@ int first_system_vector = FIRST_SYSTEM_VECTOR; - /* - * Debug level, exported for io_apic.c - */ --unsigned int apic_verbosity; -+int apic_verbosity; - - int pic_mode; - -@@ -1904,7 +1904,7 @@ static void __smp_error_interrupt(struct pt_regs *regs) - apic_write(APIC_ESR, 0); - v = apic_read(APIC_ESR); - ack_APIC_irq(); -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - - apic_printk(APIC_DEBUG, KERN_DEBUG "APIC error on CPU%d: %02x", - smp_processor_id(), v); -diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c -index d1e2556..2f6454d 100644 ---- a/arch/x86/kernel/apic/io_apic.c -+++ b/arch/x86/kernel/apic/io_apic.c -@@ -1683,7 +1683,7 @@ static unsigned int startup_ioapic_irq(struct irq_data *data) - return was_pending; - } - --atomic_t irq_mis_count; -+atomic_unchecked_t irq_mis_count; - - #ifdef CONFIG_GENERIC_PENDING_IRQ - static bool io_apic_level_ack_pending(struct mp_chip_data *data) -@@ -1822,7 +1822,7 @@ static void ioapic_ack_level(struct irq_data *irq_data) - * at the cpu. - */ - if (!(v & (1 << (i & 0x1f)))) { -- atomic_inc(&irq_mis_count); -+ atomic_inc_unchecked(&irq_mis_count); - eoi_ioapic_pin(cfg->vector, irq_data->chip_data); - } - -@@ -1868,7 +1868,7 @@ static int ioapic_set_affinity(struct irq_data *irq_data, - return ret; - } - --static struct irq_chip ioapic_chip __read_mostly = { -+static struct irq_chip ioapic_chip = { - .name = "IO-APIC", - .irq_startup = startup_ioapic_irq, - .irq_mask = mask_ioapic_irq, -@@ -1879,7 +1879,7 @@ static struct irq_chip ioapic_chip __read_mostly = { - .flags = IRQCHIP_SKIP_SET_WAKE, - }; - --static struct irq_chip ioapic_ir_chip __read_mostly = { -+static struct irq_chip ioapic_ir_chip = { - .name = "IR-IO-APIC", - .irq_startup = startup_ioapic_irq, - .irq_mask = mask_ioapic_irq, -@@ -1937,7 +1937,7 @@ static void ack_lapic_irq(struct irq_data *data) - ack_APIC_irq(); - } - --static struct irq_chip lapic_chip __read_mostly = { -+static struct irq_chip lapic_chip = { - .name = "local-APIC", - .irq_mask = mask_lapic_irq, - .irq_unmask = unmask_lapic_irq, -diff --git a/arch/x86/kernel/apic/msi.c b/arch/x86/kernel/apic/msi.c -index 015bbf3..77db804 100644 ---- a/arch/x86/kernel/apic/msi.c -+++ b/arch/x86/kernel/apic/msi.c -@@ -269,7 +269,7 @@ static void hpet_msi_write_msg(struct irq_data *data, struct msi_msg *msg) - hpet_msi_write(irq_data_get_irq_handler_data(data), msg); - } - --static struct irq_chip hpet_msi_controller __ro_after_init = { -+static irq_chip_no_const hpet_msi_controller __ro_after_init = { - .name = "HPET-MSI", - .irq_unmask = hpet_msi_unmask, - .irq_mask = hpet_msi_mask, -@@ -315,7 +315,7 @@ static struct msi_domain_info hpet_msi_domain_info = { - .chip = &hpet_msi_controller, - }; - --struct irq_domain *hpet_create_irq_domain(int hpet_id) -+__init struct irq_domain *hpet_create_irq_domain(int hpet_id) - { - struct irq_domain *parent; - struct irq_alloc_info info; -diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c -index 5d30c5e..3c83cc4 100644 ---- a/arch/x86/kernel/apic/vector.c -+++ b/arch/x86/kernel/apic/vector.c -@@ -37,6 +37,7 @@ static struct irq_chip lapic_controller; - static struct apic_chip_data *legacy_irq_data[NR_IRQS_LEGACY]; - #endif - -+void lock_vector_lock(void) __acquires(&vector_lock); - void lock_vector_lock(void) - { - /* Used to the online set of cpus does not change -@@ -45,6 +46,7 @@ void lock_vector_lock(void) - raw_spin_lock(&vector_lock); - } - -+void unlock_vector_lock(void) __releases(&vector_lock); - void unlock_vector_lock(void) - { - raw_spin_unlock(&vector_lock); -diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c -index 51287cd..24489b3 100644 ---- a/arch/x86/kernel/apm_32.c -+++ b/arch/x86/kernel/apm_32.c -@@ -432,7 +432,7 @@ static DEFINE_MUTEX(apm_mutex); - * This is for buggy BIOS's that refer to (real mode) segment 0x40 - * even though they are called in protected mode. - */ --static struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4092, -+static const struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4093, - (unsigned long)__va(0x400UL), PAGE_SIZE - 0x400 - 1); - - static const char driver_version[] = "1.16ac"; /* no spaces */ -@@ -610,7 +610,10 @@ static long __apm_bios_call(void *_call) - BUG_ON(cpu != 0); - gdt = get_cpu_gdt_table(cpu); - save_desc_40 = gdt[0x40 / 8]; -+ -+ pax_open_kernel(); - gdt[0x40 / 8] = bad_bios_desc; -+ pax_close_kernel(); - - apm_irq_save(flags); - APM_DO_SAVE_SEGS; -@@ -619,7 +622,11 @@ static long __apm_bios_call(void *_call) - &call->esi); - APM_DO_RESTORE_SEGS; - apm_irq_restore(flags); -+ -+ pax_open_kernel(); - gdt[0x40 / 8] = save_desc_40; -+ pax_close_kernel(); -+ - put_cpu(); - - return call->eax & 0xff; -@@ -686,7 +693,10 @@ static long __apm_bios_call_simple(void *_call) - BUG_ON(cpu != 0); - gdt = get_cpu_gdt_table(cpu); - save_desc_40 = gdt[0x40 / 8]; -+ -+ pax_open_kernel(); - gdt[0x40 / 8] = bad_bios_desc; -+ pax_close_kernel(); - - apm_irq_save(flags); - APM_DO_SAVE_SEGS; -@@ -694,7 +704,11 @@ static long __apm_bios_call_simple(void *_call) - &call->eax); - APM_DO_RESTORE_SEGS; - apm_irq_restore(flags); -+ -+ pax_open_kernel(); - gdt[0x40 / 8] = save_desc_40; -+ pax_close_kernel(); -+ - put_cpu(); - return error; - } -@@ -2042,7 +2056,7 @@ static int __init swab_apm_power_in_minutes(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id __initdata apm_dmi_table[] = { -+static const struct dmi_system_id __initconst apm_dmi_table[] = { - { - print_if_true, - KERN_WARNING "IBM T23 - BIOS 1.03b+ and controller firmware 1.02+ may be needed for Linux APM.", -@@ -2352,12 +2366,15 @@ static int __init apm_init(void) - * code to that CPU. - */ - gdt = get_cpu_gdt_table(0); -+ -+ pax_open_kernel(); - set_desc_base(&gdt[APM_CS >> 3], - (unsigned long)__va((unsigned long)apm_info.bios.cseg << 4)); - set_desc_base(&gdt[APM_CS_16 >> 3], - (unsigned long)__va((unsigned long)apm_info.bios.cseg_16 << 4)); - set_desc_base(&gdt[APM_DS >> 3], - (unsigned long)__va((unsigned long)apm_info.bios.dseg << 4)); -+ pax_close_kernel(); - - proc_create("apm", 0, NULL, &apm_file_ops); - -diff --git a/arch/x86/kernel/asm-offsets.c b/arch/x86/kernel/asm-offsets.c -index c62e015..2abc97c 100644 ---- a/arch/x86/kernel/asm-offsets.c -+++ b/arch/x86/kernel/asm-offsets.c -@@ -30,6 +30,9 @@ - void common(void) { - BLANK(); - OFFSET(TASK_threadsp, task_struct, thread.sp); -+#ifdef CONFIG_PAX_RAP -+ OFFSET(TASK_stack, task_struct, stack); -+#endif - #ifdef CONFIG_CC_STACKPROTECTOR - OFFSET(TASK_stack_canary, task_struct, stack_canary); - #endif -@@ -37,6 +40,8 @@ void common(void) { - BLANK(); - OFFSET(TASK_TI_flags, task_struct, thread_info.flags); - OFFSET(TASK_addr_limit, task_struct, thread.addr_limit); -+ OFFSET(TASK_lowest_stack, task_struct, thread.lowest_stack); -+ OFFSET(TASK_thread_sp0, task_struct, thread.sp0); - - BLANK(); - OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx); -@@ -71,8 +76,26 @@ void common(void) { - OFFSET(PV_CPU_iret, pv_cpu_ops, iret); - OFFSET(PV_CPU_read_cr0, pv_cpu_ops, read_cr0); - OFFSET(PV_MMU_read_cr2, pv_mmu_ops, read_cr2); -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ OFFSET(PV_CPU_write_cr0, pv_cpu_ops, write_cr0); - #endif - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ OFFSET(PV_MMU_read_cr3, pv_mmu_ops, read_cr3); -+ OFFSET(PV_MMU_write_cr3, pv_mmu_ops, write_cr3); -+#ifdef CONFIG_X86_64 -+ OFFSET(PV_MMU_set_pgd_batched, pv_mmu_ops, set_pgd_batched); -+#endif -+#endif -+ -+#endif -+ -+ BLANK(); -+ DEFINE(PAGE_SIZE_asm, PAGE_SIZE); -+ DEFINE(PAGE_SHIFT_asm, PAGE_SHIFT); -+ DEFINE(THREAD_SIZE_asm, THREAD_SIZE); -+ - #ifdef CONFIG_XEN - BLANK(); - OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask); -@@ -91,4 +114,5 @@ void common(void) { - - BLANK(); - DEFINE(PTREGS_SIZE, sizeof(struct pt_regs)); -+ DEFINE(TSS_size, sizeof(struct tss_struct)); - } -diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile -index 4a8697f..8a13428 100644 ---- a/arch/x86/kernel/cpu/Makefile -+++ b/arch/x86/kernel/cpu/Makefile -@@ -12,10 +12,6 @@ endif - KCOV_INSTRUMENT_common.o := n - KCOV_INSTRUMENT_perf_event.o := n - --# Make sure load_percpu_segment has no stackprotector --nostackp := $(call cc-option, -fno-stack-protector) --CFLAGS_common.o := $(nostackp) -- - obj-y := intel_cacheinfo.o scattered.o topology.o - obj-y += common.o - obj-y += rdrand.o -diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c -index 2b4cf04..c73b25e 100644 ---- a/arch/x86/kernel/cpu/amd.c -+++ b/arch/x86/kernel/cpu/amd.c -@@ -808,7 +808,7 @@ static void init_amd(struct cpuinfo_x86 *c) - static unsigned int amd_size_cache(struct cpuinfo_x86 *c, unsigned int size) - { - /* AMD errata T13 (order #21922) */ -- if ((c->x86 == 6)) { -+ if (c->x86 == 6) { - /* Duron Rev A0 */ - if (c->x86_model == 3 && c->x86_mask == 0) - size = 64; -diff --git a/arch/x86/kernel/cpu/bugs_64.c b/arch/x86/kernel/cpu/bugs_64.c -index a972ac4..938c163 100644 ---- a/arch/x86/kernel/cpu/bugs_64.c -+++ b/arch/x86/kernel/cpu/bugs_64.c -@@ -10,6 +10,7 @@ - #include - #include - #include -+#include - - void __init check_bugs(void) - { -@@ -18,6 +19,7 @@ void __init check_bugs(void) - pr_info("CPU: "); - print_cpu_info(&boot_cpu_data); - #endif -+ set_memory_nx((unsigned long)_sinitdata, (__START_KERNEL_map + KERNEL_IMAGE_SIZE - (unsigned long)_sinitdata) >> PAGE_SHIFT); - alternative_instructions(); - - /* -diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c -index 4eece91..9eeb03b 100644 ---- a/arch/x86/kernel/cpu/common.c -+++ b/arch/x86/kernel/cpu/common.c -@@ -93,60 +93,6 @@ static const struct cpu_dev default_cpu = { - - static const struct cpu_dev *this_cpu = &default_cpu; - --DEFINE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page) = { .gdt = { --#ifdef CONFIG_X86_64 -- /* -- * We need valid kernel segments for data and code in long mode too -- * IRET will check the segment types kkeil 2000/10/28 -- * Also sysret mandates a special GDT layout -- * -- * TLS descriptors are currently at a different place compared to i386. -- * Hopefully nobody expects them at a fixed place (Wine?) -- */ -- [GDT_ENTRY_KERNEL32_CS] = GDT_ENTRY_INIT(0xc09b, 0, 0xfffff), -- [GDT_ENTRY_KERNEL_CS] = GDT_ENTRY_INIT(0xa09b, 0, 0xfffff), -- [GDT_ENTRY_KERNEL_DS] = GDT_ENTRY_INIT(0xc093, 0, 0xfffff), -- [GDT_ENTRY_DEFAULT_USER32_CS] = GDT_ENTRY_INIT(0xc0fb, 0, 0xfffff), -- [GDT_ENTRY_DEFAULT_USER_DS] = GDT_ENTRY_INIT(0xc0f3, 0, 0xfffff), -- [GDT_ENTRY_DEFAULT_USER_CS] = GDT_ENTRY_INIT(0xa0fb, 0, 0xfffff), --#else -- [GDT_ENTRY_KERNEL_CS] = GDT_ENTRY_INIT(0xc09a, 0, 0xfffff), -- [GDT_ENTRY_KERNEL_DS] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff), -- [GDT_ENTRY_DEFAULT_USER_CS] = GDT_ENTRY_INIT(0xc0fa, 0, 0xfffff), -- [GDT_ENTRY_DEFAULT_USER_DS] = GDT_ENTRY_INIT(0xc0f2, 0, 0xfffff), -- /* -- * Segments used for calling PnP BIOS have byte granularity. -- * They code segments and data segments have fixed 64k limits, -- * the transfer segment sizes are set at run time. -- */ -- /* 32-bit code */ -- [GDT_ENTRY_PNPBIOS_CS32] = GDT_ENTRY_INIT(0x409a, 0, 0xffff), -- /* 16-bit code */ -- [GDT_ENTRY_PNPBIOS_CS16] = GDT_ENTRY_INIT(0x009a, 0, 0xffff), -- /* 16-bit data */ -- [GDT_ENTRY_PNPBIOS_DS] = GDT_ENTRY_INIT(0x0092, 0, 0xffff), -- /* 16-bit data */ -- [GDT_ENTRY_PNPBIOS_TS1] = GDT_ENTRY_INIT(0x0092, 0, 0), -- /* 16-bit data */ -- [GDT_ENTRY_PNPBIOS_TS2] = GDT_ENTRY_INIT(0x0092, 0, 0), -- /* -- * The APM segments have byte granularity and their bases -- * are set at run time. All have 64k limits. -- */ -- /* 32-bit code */ -- [GDT_ENTRY_APMBIOS_BASE] = GDT_ENTRY_INIT(0x409a, 0, 0xffff), -- /* 16-bit code */ -- [GDT_ENTRY_APMBIOS_BASE+1] = GDT_ENTRY_INIT(0x009a, 0, 0xffff), -- /* data */ -- [GDT_ENTRY_APMBIOS_BASE+2] = GDT_ENTRY_INIT(0x4092, 0, 0xffff), -- -- [GDT_ENTRY_ESPFIX_SS] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff), -- [GDT_ENTRY_PERCPU] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff), -- GDT_STACK_CANARY_INIT --#endif --} }; --EXPORT_PER_CPU_SYMBOL_GPL(gdt_page); -- - static int __init x86_mpx_setup(char *s) - { - /* require an exact match without trailing characters */ -@@ -281,6 +227,10 @@ static __always_inline void setup_smep(struct cpuinfo_x86 *c) - { - if (cpu_has(c, X86_FEATURE_SMEP)) - cr4_set_bits(X86_CR4_SMEP); -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_NONE -+ else -+ panic("PAX: this KERNEXEC configuration requires SMEP support\n"); -+#endif - } - - static __init int setup_disable_smap(char *arg) -@@ -306,6 +256,109 @@ static __always_inline void setup_smap(struct cpuinfo_x86 *c) - } - } - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+#ifdef CONFIG_X86_64 -+static bool uderef_enabled __read_only = true; -+unsigned long pax_user_shadow_base __read_only; -+EXPORT_SYMBOL(pax_user_shadow_base); -+extern char patch_pax_enter_kernel_user[]; -+extern char patch_pax_exit_kernel_user[]; -+ -+static int __init setup_pax_weakuderef(char *str) -+{ -+ if (uderef_enabled) -+ pax_user_shadow_base = 1UL << TASK_SIZE_MAX_SHIFT; -+ return 1; -+} -+__setup("pax_weakuderef", setup_pax_weakuderef); -+#endif -+ -+static int __init setup_pax_nouderef(char *str) -+{ -+#ifdef CONFIG_X86_32 -+ unsigned int cpu; -+ struct desc_struct *gdt; -+ -+ for (cpu = 0; cpu < nr_cpu_ids; cpu++) { -+ gdt = get_cpu_gdt_table(cpu); -+ gdt[GDT_ENTRY_KERNEL_DS].type = 3; -+ gdt[GDT_ENTRY_KERNEL_DS].limit = 0xf; -+ gdt[GDT_ENTRY_DEFAULT_USER_CS].limit = 0xf; -+ gdt[GDT_ENTRY_DEFAULT_USER_DS].limit = 0xf; -+ } -+ loadsegment(ds, __KERNEL_DS); -+ loadsegment(es, __KERNEL_DS); -+ loadsegment(ss, __KERNEL_DS); -+#else -+ memcpy(patch_pax_enter_kernel_user, (unsigned char []){0xc3}, 1); -+ memcpy(patch_pax_exit_kernel_user, (unsigned char []){0xc3}, 1); -+ clone_pgd_mask = ~(pgdval_t)0UL; -+ pax_user_shadow_base = 0UL; -+ setup_clear_cpu_cap(X86_FEATURE_PCIDUDEREF); -+ uderef_enabled = false; -+#endif -+ -+ return 0; -+} -+early_param("pax_nouderef", setup_pax_nouderef); -+#endif -+ -+#ifdef CONFIG_X86_64 -+static __init int setup_disable_pcid(char *arg) -+{ -+ setup_clear_cpu_cap(X86_FEATURE_PCID); -+ setup_clear_cpu_cap(X86_FEATURE_INVPCID); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (uderef_enabled) -+ pax_user_shadow_base = 1UL << TASK_SIZE_MAX_SHIFT; -+#endif -+ -+ return 1; -+} -+__setup("nopcid", setup_disable_pcid); -+ -+static void setup_pcid(struct cpuinfo_x86 *c) -+{ -+ if (cpu_has(c, X86_FEATURE_PCID)) { -+ printk("PAX: PCID detected\n"); -+ cr4_set_bits(X86_CR4_PCIDE); -+ } else -+ clear_cpu_cap(c, X86_FEATURE_INVPCID); -+ -+ if (cpu_has(c, X86_FEATURE_INVPCID)) -+ printk("PAX: INVPCID detected\n"); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!uderef_enabled) { -+ printk("PAX: UDEREF disabled\n"); -+ return; -+ } -+ -+ if (!cpu_has(c, X86_FEATURE_PCID)) { -+ pax_open_kernel(); -+ pax_user_shadow_base = 1UL << TASK_SIZE_MAX_SHIFT; -+ pax_close_kernel(); -+ printk("PAX: slow and weak UDEREF enabled\n"); -+ return; -+ } -+ -+ set_cpu_cap(c, X86_FEATURE_PCIDUDEREF); -+ -+ pax_open_kernel(); -+ clone_pgd_mask = ~(pgdval_t)0UL; -+ pax_close_kernel(); -+ if (pax_user_shadow_base) -+ printk("PAX: weak UDEREF enabled\n"); -+ else { -+ set_cpu_cap(c, X86_FEATURE_STRONGUDEREF); -+ printk("PAX: strong UDEREF enabled\n"); -+ } -+#endif -+ -+} -+#endif -+ - /* - * Protection Keys are not available in 32-bit mode. - */ -@@ -451,7 +504,7 @@ void switch_to_new_gdt(int cpu) - { - struct desc_ptr gdt_descr; - -- gdt_descr.address = (long)get_cpu_gdt_table(cpu); -+ gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu); - gdt_descr.size = GDT_SIZE - 1; - load_gdt(&gdt_descr); - /* Reload the per-cpu base */ -@@ -973,9 +1026,11 @@ static void x86_init_cache_qos(struct cpuinfo_x86 *c) - * in case CQM bits really aren't there in this CPU. - */ - if (c != &boot_cpu_data) { -+ pax_open_kernel(); - boot_cpu_data.x86_cache_max_rmid = - min(boot_cpu_data.x86_cache_max_rmid, - c->x86_cache_max_rmid); -+ pax_close_kernel(); - } - } - -@@ -1064,6 +1119,20 @@ static void identify_cpu(struct cpuinfo_x86 *c) - setup_smep(c); - setup_smap(c); - -+#ifdef CONFIG_X86_32 -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(__supported_pte_mask & _PAGE_NX)) -+ clear_cpu_cap(c, X86_FEATURE_PSE); -+#endif -+#if defined(CONFIG_PAX_SEGMEXEC) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ clear_cpu_cap(c, X86_FEATURE_SEP); -+#endif -+#endif -+ -+#ifdef CONFIG_X86_64 -+ setup_pcid(c); -+#endif -+ - /* - * The vendor-specific functions might have changed features. - * Now we do "generic changes." -@@ -1109,10 +1178,14 @@ static void identify_cpu(struct cpuinfo_x86 *c) - * executed, c == &boot_cpu_data. - */ - if (c != &boot_cpu_data) { -+ pax_open_kernel(); -+ - /* AND the already accumulated flags with these */ - for (i = 0; i < NCAPINTS; i++) - boot_cpu_data.x86_capability[i] &= c->x86_capability[i]; - -+ pax_close_kernel(); -+ - /* OR, i.e. replicate the bug flags */ - for (i = NCAPINTS; i < NCAPINTS + NBUGINTS; i++) - c->x86_capability[i] |= boot_cpu_data.x86_capability[i]; -@@ -1142,7 +1215,7 @@ void enable_sep_cpu(void) - return; - - cpu = get_cpu(); -- tss = &per_cpu(cpu_tss, cpu); -+ tss = cpu_tss + cpu; - - /* - * We cache MSR_IA32_SYSENTER_CS's value in the TSS's ss1 field -- -@@ -1308,6 +1381,8 @@ EXPORT_PER_CPU_SYMBOL(current_task); - - DEFINE_PER_CPU(char *, irq_stack_ptr) = - init_per_cpu_var(irq_stack_union.irq_stack) + IRQ_STACK_SIZE; -+DEFINE_PER_CPU(char *, irq_stack_ptr_lowmem) = -+ init_per_cpu_var(irq_stack_union.irq_stack) + IRQ_STACK_SIZE; - - DEFINE_PER_CPU(unsigned int, irq_count) __visible = -1; - -@@ -1400,21 +1475,21 @@ EXPORT_PER_CPU_SYMBOL(current_task); - DEFINE_PER_CPU(int, __preempt_count) = INIT_PREEMPT_COUNT; - EXPORT_PER_CPU_SYMBOL(__preempt_count); - -+#ifdef CONFIG_CC_STACKPROTECTOR -+DEFINE_PER_CPU_ALIGNED(struct stack_canary, stack_canary); -+#endif -+ -+#endif /* CONFIG_X86_64 */ -+ - /* - * On x86_32, vm86 modifies tss.sp0, so sp0 isn't a reliable way to find - * the top of the kernel stack. Use an extra percpu variable to track the - * top of the kernel stack directly. - */ - DEFINE_PER_CPU(unsigned long, cpu_current_top_of_stack) = -- (unsigned long)&init_thread_union + THREAD_SIZE; -+ (unsigned long)&init_thread_union - 16 + THREAD_SIZE; - EXPORT_PER_CPU_SYMBOL(cpu_current_top_of_stack); - --#ifdef CONFIG_CC_STACKPROTECTOR --DEFINE_PER_CPU_ALIGNED(struct stack_canary, stack_canary); --#endif -- --#endif /* CONFIG_X86_64 */ -- - /* - * Clear all 6 debug registers: - */ -@@ -1490,7 +1565,7 @@ void cpu_init(void) - */ - load_ucode_ap(); - -- t = &per_cpu(cpu_tss, cpu); -+ t = cpu_tss + cpu; - oist = &per_cpu(orig_ist, cpu); - - #ifdef CONFIG_NUMA -@@ -1522,7 +1597,6 @@ void cpu_init(void) - wrmsrl(MSR_KERNEL_GS_BASE, 0); - barrier(); - -- x86_configure_nx(); - x2apic_setup(); - - /* -@@ -1574,7 +1648,7 @@ void cpu_init(void) - { - int cpu = smp_processor_id(); - struct task_struct *curr = current; -- struct tss_struct *t = &per_cpu(cpu_tss, cpu); -+ struct tss_struct *t = cpu_tss + cpu; - struct thread_struct *thread = &curr->thread; - - wait_for_master_cpu(cpu); -diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c -index fcd484d..8a466c1 100644 ---- a/arch/x86/kernel/cpu/intel.c -+++ b/arch/x86/kernel/cpu/intel.c -@@ -56,7 +56,9 @@ void check_mpx_erratum(struct cpuinfo_x86 *c) - * is no such hardware known at the moment. - */ - if (cpu_has(c, X86_FEATURE_MPX) && !cpu_has(c, X86_FEATURE_SMEP)) { -+ pax_open_kernel(); - setup_clear_cpu_cap(X86_FEATURE_MPX); -+ pax_close_kernel(); - pr_warn("x86/mpx: Disabling MPX since SMEP not present\n"); - } - } -@@ -177,8 +179,10 @@ static void early_init_intel(struct cpuinfo_x86 *c) - rdmsrl(MSR_IA32_MISC_ENABLE, misc_enable); - if (!(misc_enable & MSR_IA32_MISC_ENABLE_FAST_STRING)) { - pr_info("Disabled fast string operations\n"); -+ pax_open_kernel(); - setup_clear_cpu_cap(X86_FEATURE_REP_GOOD); - setup_clear_cpu_cap(X86_FEATURE_ERMS); -+ pax_close_kernel(); - } - } - -@@ -194,7 +198,9 @@ static void early_init_intel(struct cpuinfo_x86 *c) - */ - if (c->x86 == 5 && c->x86_model == 9) { - pr_info("Disabling PGE capability bit\n"); -+ pax_open_kernel(); - setup_clear_cpu_cap(X86_FEATURE_PGE); -+ pax_close_kernel(); - } - - if (c->cpuid_level >= 0x00000001) { -diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c -index de6626c..c84e8c1 100644 ---- a/arch/x86/kernel/cpu/intel_cacheinfo.c -+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c -@@ -519,25 +519,23 @@ cache_private_attrs_is_visible(struct kobject *kobj, - return 0; - } - -+static struct attribute *amd_l3_attrs[4]; -+ - static struct attribute_group cache_private_group = { - .is_visible = cache_private_attrs_is_visible, -+ .attrs = amd_l3_attrs, - }; - - static void init_amd_l3_attrs(void) - { - int n = 1; -- static struct attribute **amd_l3_attrs; -- -- if (amd_l3_attrs) /* already initialized */ -- return; - - if (amd_nb_has_feature(AMD_NB_L3_INDEX_DISABLE)) - n += 2; - if (amd_nb_has_feature(AMD_NB_L3_PARTITIONING)) - n += 1; - -- amd_l3_attrs = kcalloc(n, sizeof(*amd_l3_attrs), GFP_KERNEL); -- if (!amd_l3_attrs) -+ if (n > 1 && amd_l3_attrs[0]) /* already initialized */ - return; - - n = 0; -@@ -547,8 +545,6 @@ static void init_amd_l3_attrs(void) - } - if (amd_nb_has_feature(AMD_NB_L3_PARTITIONING)) - amd_l3_attrs[n++] = &dev_attr_subcaches.attr; -- -- cache_private_group.attrs = amd_l3_attrs; - } - - const struct attribute_group * -@@ -559,7 +555,7 @@ cache_get_priv_group(struct cacheinfo *this_leaf) - if (this_leaf->level < 3 || !nb) - return NULL; - -- if (nb && nb->l3_cache.indices) -+ if (nb->l3_cache.indices) - init_amd_l3_attrs(); - - return &cache_private_group; -diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c -index a7fdf45..87c1a31 100644 ---- a/arch/x86/kernel/cpu/mcheck/mce.c -+++ b/arch/x86/kernel/cpu/mcheck/mce.c -@@ -48,6 +48,7 @@ - #include - #include - #include -+#include - - #include "mce-internal.h" - -@@ -210,8 +211,7 @@ static struct notifier_block mce_srao_nb; - void mce_register_decode_chain(struct notifier_block *nb) - { - /* Ensure SRAO notifier has the highest priority in the decode chain. */ -- if (nb != &mce_srao_nb && nb->priority == INT_MAX) -- nb->priority -= 1; -+ BUG_ON(nb != &mce_srao_nb && nb->priority == INT_MAX); - - atomic_notifier_chain_register(&x86_mce_decoder_chain, nb); - } -@@ -263,7 +263,7 @@ static inline u32 smca_misc_reg(int bank) - return MSR_AMD64_SMCA_MCx_MISC(bank); - } - --struct mca_msr_regs msr_ops = { -+struct mca_msr_regs msr_ops __read_only = { - .ctl = ctl_reg, - .status = status_reg, - .addr = addr_reg, -@@ -282,7 +282,7 @@ static void print_mce(struct mce *m) - !(m->mcgstatus & MCG_STATUS_EIPV) ? " !INEXACT!" : "", - m->cs, m->ip); - -- if (m->cs == __KERNEL_CS) -+ if (m->cs == __KERNEL_CS || m->cs == __KERNEXEC_KERNEL_CS) - print_symbol("{%s}", m->ip); - pr_cont("\n"); - } -@@ -322,10 +322,10 @@ static void print_mce(struct mce *m) - - #define PANIC_TIMEOUT 5 /* 5 seconds */ - --static atomic_t mce_panicked; -+static atomic_unchecked_t mce_panicked; - - static int fake_panic; --static atomic_t mce_fake_panicked; -+static atomic_unchecked_t mce_fake_panicked; - - /* Panic in progress. Enable interrupts and wait for final IPI */ - static void wait_for_panic(void) -@@ -351,7 +351,7 @@ static void mce_panic(const char *msg, struct mce *final, char *exp) - /* - * Make sure only one CPU runs in machine check panic - */ -- if (atomic_inc_return(&mce_panicked) > 1) -+ if (atomic_inc_return_unchecked(&mce_panicked) > 1) - wait_for_panic(); - barrier(); - -@@ -359,7 +359,7 @@ static void mce_panic(const char *msg, struct mce *final, char *exp) - console_verbose(); - } else { - /* Don't log too much for fake panic */ -- if (atomic_inc_return(&mce_fake_panicked) > 1) -+ if (atomic_inc_return_unchecked(&mce_fake_panicked) > 1) - return; - } - pending = mce_gen_pool_prepare_records(); -@@ -395,7 +395,7 @@ static void mce_panic(const char *msg, struct mce *final, char *exp) - if (!fake_panic) { - if (panic_timeout == 0) - panic_timeout = mca_cfg.panic_timeout; -- panic(msg); -+ panic("%s", msg); - } else - pr_emerg(HW_ERR "Fake kernel panic: %s\n", msg); - } -@@ -787,7 +787,7 @@ static int mce_timed_out(u64 *t, const char *msg) - * might have been modified by someone else. - */ - rmb(); -- if (atomic_read(&mce_panicked)) -+ if (atomic_read_unchecked(&mce_panicked)) - wait_for_panic(); - if (!mca_cfg.monarch_timeout) - goto out; -@@ -1706,10 +1706,12 @@ static void __mcheck_cpu_init_vendor(struct cpuinfo_x86 *c) - * Install proper ops for Scalable MCA enabled processors - */ - if (mce_flags.smca) { -+ pax_open_kernel(); - msr_ops.ctl = smca_ctl_reg; - msr_ops.status = smca_status_reg; - msr_ops.addr = smca_addr_reg; - msr_ops.misc = smca_misc_reg; -+ pax_close_kernel(); - } - mce_amd_feature_init(c); - -@@ -1762,7 +1764,7 @@ static void unexpected_machine_check(struct pt_regs *regs, long error_code) - } - - /* Call the installed machine check handler for this CPU setup. */ --void (*machine_check_vector)(struct pt_regs *, long error_code) = -+void (*machine_check_vector)(struct pt_regs *, long error_code) __read_only = - unexpected_machine_check; - - /* -@@ -1791,7 +1793,9 @@ void mcheck_cpu_init(struct cpuinfo_x86 *c) - return; - } - -+ pax_open_kernel(); - machine_check_vector = do_machine_check; -+ pax_close_kernel(); - - __mcheck_cpu_init_generic(); - __mcheck_cpu_init_vendor(c); -@@ -1823,7 +1827,7 @@ void mcheck_cpu_clear(struct cpuinfo_x86 *c) - */ - - static DEFINE_SPINLOCK(mce_chrdev_state_lock); --static int mce_chrdev_open_count; /* #times opened */ -+static local_t mce_chrdev_open_count; /* #times opened */ - static int mce_chrdev_open_exclu; /* already open exclusive? */ - - static int mce_chrdev_open(struct inode *inode, struct file *file) -@@ -1831,7 +1835,7 @@ static int mce_chrdev_open(struct inode *inode, struct file *file) - spin_lock(&mce_chrdev_state_lock); - - if (mce_chrdev_open_exclu || -- (mce_chrdev_open_count && (file->f_flags & O_EXCL))) { -+ (local_read(&mce_chrdev_open_count) && (file->f_flags & O_EXCL))) { - spin_unlock(&mce_chrdev_state_lock); - - return -EBUSY; -@@ -1839,7 +1843,7 @@ static int mce_chrdev_open(struct inode *inode, struct file *file) - - if (file->f_flags & O_EXCL) - mce_chrdev_open_exclu = 1; -- mce_chrdev_open_count++; -+ local_inc(&mce_chrdev_open_count); - - spin_unlock(&mce_chrdev_state_lock); - -@@ -1850,7 +1854,7 @@ static int mce_chrdev_release(struct inode *inode, struct file *file) - { - spin_lock(&mce_chrdev_state_lock); - -- mce_chrdev_open_count--; -+ local_dec(&mce_chrdev_open_count); - mce_chrdev_open_exclu = 0; - - spin_unlock(&mce_chrdev_state_lock); -@@ -2545,7 +2549,7 @@ static __init void mce_init_banks(void) - - for (i = 0; i < mca_cfg.banks; i++) { - struct mce_bank *b = &mce_banks[i]; -- struct device_attribute *a = &b->attr; -+ device_attribute_no_const *a = &b->attr; - - sysfs_attr_init(&a->attr); - a->attr.name = b->attrname; -@@ -2652,7 +2656,7 @@ struct dentry *mce_get_debugfs_dir(void) - static void mce_reset(void) - { - cpu_missing = 0; -- atomic_set(&mce_fake_panicked, 0); -+ atomic_set_unchecked(&mce_fake_panicked, 0); - atomic_set(&mce_executing, 0); - atomic_set(&mce_callin, 0); - atomic_set(&global_nwo, 0); -diff --git a/arch/x86/kernel/cpu/mcheck/p5.c b/arch/x86/kernel/cpu/mcheck/p5.c -index 2a0717b..7fbc641 100644 ---- a/arch/x86/kernel/cpu/mcheck/p5.c -+++ b/arch/x86/kernel/cpu/mcheck/p5.c -@@ -12,6 +12,7 @@ - #include - #include - #include -+#include - - /* By default disabled */ - int mce_p5_enabled __read_mostly; -@@ -52,7 +53,9 @@ void intel_p5_mcheck_init(struct cpuinfo_x86 *c) - if (!cpu_has(c, X86_FEATURE_MCE)) - return; - -+ pax_open_kernel(); - machine_check_vector = pentium_machine_check; -+ pax_close_kernel(); - /* Make sure the vector pointer is visible before we enable MCEs: */ - wmb(); - -diff --git a/arch/x86/kernel/cpu/mcheck/winchip.c b/arch/x86/kernel/cpu/mcheck/winchip.c -index c6a722e..4016140 100644 ---- a/arch/x86/kernel/cpu/mcheck/winchip.c -+++ b/arch/x86/kernel/cpu/mcheck/winchip.c -@@ -11,6 +11,7 @@ - #include - #include - #include -+#include - - /* Machine check handler for WinChip C6: */ - static void winchip_machine_check(struct pt_regs *regs, long error_code) -@@ -28,7 +29,9 @@ void winchip_mcheck_init(struct cpuinfo_x86 *c) - { - u32 lo, hi; - -+ pax_open_kernel(); - machine_check_vector = winchip_machine_check; -+ pax_close_kernel(); - /* Make sure the vector pointer is visible before we enable MCEs: */ - wmb(); - -diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c -index cdc0dea..ada8a20 100644 ---- a/arch/x86/kernel/cpu/microcode/intel.c -+++ b/arch/x86/kernel/cpu/microcode/intel.c -@@ -1072,13 +1072,13 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device, - - static int get_ucode_user(void *to, const void *from, size_t n) - { -- return copy_from_user(to, from, n); -+ return copy_from_user(to, (const void __force_user *)from, n); - } - - static enum ucode_state - request_microcode_user(int cpu, const void __user *buf, size_t size) - { -- return generic_load_microcode(cpu, (void *)buf, size, &get_ucode_user); -+ return generic_load_microcode(cpu, (__force_kernel void *)buf, size, &get_ucode_user); - } - - static void microcode_fini_cpu(int cpu) -diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c -index f228f74..8f3df2a 100644 ---- a/arch/x86/kernel/cpu/mshyperv.c -+++ b/arch/x86/kernel/cpu/mshyperv.c -@@ -230,7 +230,7 @@ static void __init ms_hyperv_init_platform(void) - x86_platform.get_nmi_reason = hv_get_nmi_reason; - } - --const __refconst struct hypervisor_x86 x86_hyper_ms_hyperv = { -+const struct hypervisor_x86 x86_hyper_ms_hyperv = { - .name = "Microsoft HyperV", - .detect = ms_hyperv_platform, - .init_platform = ms_hyperv_init_platform, -diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c -index fdc5521..d31149c 100644 ---- a/arch/x86/kernel/cpu/mtrr/generic.c -+++ b/arch/x86/kernel/cpu/mtrr/generic.c -@@ -726,7 +726,8 @@ static DEFINE_RAW_SPINLOCK(set_atomicity_lock); - * The caller must ensure that local interrupts are disabled and - * are reenabled after post_set() has been called. - */ --static void prepare_set(void) __acquires(set_atomicity_lock) -+static void prepare_set(void) __acquires(&set_atomicity_lock); -+static void prepare_set(void) - { - unsigned long cr0; - -@@ -762,7 +763,8 @@ static void prepare_set(void) __acquires(set_atomicity_lock) - wbinvd(); - } - --static void post_set(void) __releases(set_atomicity_lock) -+static void post_set(void) __releases(&set_atomicity_lock); -+static void post_set(void) - { - /* Flush TLBs (no need to flush caches - they are disabled) */ - count_vm_tlb_event(NR_TLB_LOCAL_FLUSH_ALL); -diff --git a/arch/x86/kernel/cpu/mtrr/mtrr.h b/arch/x86/kernel/cpu/mtrr/mtrr.h -index ad8bd76..e51b46f 100644 ---- a/arch/x86/kernel/cpu/mtrr/mtrr.h -+++ b/arch/x86/kernel/cpu/mtrr/mtrr.h -@@ -25,7 +25,7 @@ struct mtrr_ops { - int (*validate_add_page)(unsigned long base, unsigned long size, - unsigned int type); - int (*have_wrcomb)(void); --}; -+} __do_const; - - extern int generic_get_free_region(unsigned long base, unsigned long size, - int replace_reg); -diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c -index 5130985..6067a9f 100644 ---- a/arch/x86/kernel/cpu/vmware.c -+++ b/arch/x86/kernel/cpu/vmware.c -@@ -150,7 +150,7 @@ static bool __init vmware_legacy_x2apic_available(void) - (eax & (1 << VMWARE_PORT_CMD_LEGACY_X2APIC)) != 0; - } - --const __refconst struct hypervisor_x86 x86_hyper_vmware = { -+const struct hypervisor_x86 x86_hyper_vmware = { - .name = "VMware", - .detect = vmware_platform, - .set_cpu_features = vmware_set_cpu_features, -diff --git a/arch/x86/kernel/crash_dump_64.c b/arch/x86/kernel/crash_dump_64.c -index afa64ad..dce67dd 100644 ---- a/arch/x86/kernel/crash_dump_64.c -+++ b/arch/x86/kernel/crash_dump_64.c -@@ -36,7 +36,7 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf, - return -ENOMEM; - - if (userbuf) { -- if (copy_to_user(buf, vaddr + offset, csize)) { -+ if (copy_to_user((char __force_user *)buf, vaddr + offset, csize)) { - iounmap(vaddr); - return -EFAULT; - } -diff --git a/arch/x86/kernel/doublefault.c b/arch/x86/kernel/doublefault.c -index f6dfd93..892ade4 100644 ---- a/arch/x86/kernel/doublefault.c -+++ b/arch/x86/kernel/doublefault.c -@@ -12,7 +12,7 @@ - - #define DOUBLEFAULT_STACKSIZE (1024) - static unsigned long doublefault_stack[DOUBLEFAULT_STACKSIZE]; --#define STACK_START (unsigned long)(doublefault_stack+DOUBLEFAULT_STACKSIZE) -+#define STACK_START (unsigned long)(doublefault_stack+DOUBLEFAULT_STACKSIZE-2) - - #define ptr_ok(x) ((x) > PAGE_OFFSET && (x) < PAGE_OFFSET + MAXMEM) - -@@ -22,7 +22,7 @@ static void doublefault_fn(void) - unsigned long gdt, tss; - - native_store_gdt(&gdt_desc); -- gdt = gdt_desc.address; -+ gdt = (unsigned long)gdt_desc.address; - - printk(KERN_EMERG "PANIC: double fault, gdt at %08lx [%d bytes]\n", gdt, gdt_desc.size); - -@@ -59,10 +59,10 @@ struct tss_struct doublefault_tss __cacheline_aligned = { - /* 0x2 bit is always set */ - .flags = X86_EFLAGS_SF | 0x2, - .sp = STACK_START, -- .es = __USER_DS, -+ .es = __KERNEL_DS, - .cs = __KERNEL_CS, - .ss = __KERNEL_DS, -- .ds = __USER_DS, -+ .ds = __KERNEL_DS, - .fs = __KERNEL_PERCPU, - - .__cr3 = __pa_nodebug(swapper_pg_dir), -diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c -index 85f854b..78ddb7e 100644 ---- a/arch/x86/kernel/dumpstack.c -+++ b/arch/x86/kernel/dumpstack.c -@@ -2,6 +2,9 @@ - * Copyright (C) 1991, 1992 Linus Torvalds - * Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs - */ -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+#define __INCLUDED_BY_HIDESYM 1 -+#endif - #include - #include - #include -@@ -53,7 +56,7 @@ static void printk_stack_address(unsigned long address, int reliable, - - void printk_address(unsigned long address) - { -- pr_cont(" [<%p>] %pS\n", (void *)address, (void *)address); -+ pr_cont(" [<%p>] %pA\n", (void *)address, (void *)address); - } - - void show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs, -@@ -202,6 +205,7 @@ EXPORT_SYMBOL_GPL(oops_begin); - NOKPROBE_SYMBOL(oops_begin); - - void __noreturn rewind_stack_do_exit(int signr); -+extern void gr_handle_kernel_exploit(void); - - void oops_end(unsigned long flags, struct pt_regs *regs, int signr) - { -@@ -225,6 +229,8 @@ void oops_end(unsigned long flags, struct pt_regs *regs, int signr) - if (panic_on_oops) - panic("Fatal exception"); - -+ gr_handle_kernel_exploit(); -+ - /* - * We're not going to return, but we might be on an IST stack or - * have very little stack space left. Rewind the stack and kill -diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c -index 06eb322..ca545b8 100644 ---- a/arch/x86/kernel/dumpstack_32.c -+++ b/arch/x86/kernel/dumpstack_32.c -@@ -15,6 +15,7 @@ - #include - - #include -+#include - - void stack_type_str(enum stack_type type, const char **begin, const char **end) - { -@@ -167,16 +168,17 @@ void show_regs(struct pt_regs *regs) - unsigned int code_len = code_bytes; - unsigned char c; - u8 *ip; -+ unsigned long cs_base = get_desc_base(&get_cpu_gdt_table(0)[(0xffff & regs->cs) >> 3]); - - pr_emerg("Stack:\n"); - show_stack_log_lvl(current, regs, NULL, KERN_EMERG); - - pr_emerg("Code:"); - -- ip = (u8 *)regs->ip - code_prologue; -+ ip = (u8 *)regs->ip - code_prologue + cs_base; - if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) { - /* try starting at IP */ -- ip = (u8 *)regs->ip; -+ ip = (u8 *)regs->ip + cs_base; - code_len = code_len - code_prologue + 1; - } - for (i = 0; i < code_len; i++, ip++) { -@@ -185,7 +187,7 @@ void show_regs(struct pt_regs *regs) - pr_cont(" Bad EIP value."); - break; - } -- if (ip == (u8 *)regs->ip) -+ if (ip == (u8 *)regs->ip + cs_base) - pr_cont(" <%02x>", c); - else - pr_cont(" %02x", c); -@@ -198,6 +200,7 @@ int is_valid_bugaddr(unsigned long ip) - { - unsigned short ud2; - -+ ip = ktla_ktva(ip); - if (ip < PAGE_OFFSET) - return 0; - if (probe_kernel_address((unsigned short *)ip, ud2)) -@@ -205,3 +208,15 @@ int is_valid_bugaddr(unsigned long ip) - - return ud2 == 0x0b0f; - } -+ -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+void __used pax_check_alloca(unsigned long size) -+{ -+ unsigned long sp = (unsigned long)&sp, stack_left; -+ -+ /* all kernel stacks are of the same size */ -+ stack_left = sp & (THREAD_SIZE - 1); -+ BUG_ON(stack_left < 256 || size >= stack_left - 256); -+} -+EXPORT_SYMBOL(pax_check_alloca); -+#endif -diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c -index 36cf1a4..f3362b0 100644 ---- a/arch/x86/kernel/dumpstack_64.c -+++ b/arch/x86/kernel/dumpstack_64.c -@@ -237,8 +237,41 @@ int is_valid_bugaddr(unsigned long ip) - { - unsigned short ud2; - -- if (__copy_from_user(&ud2, (const void __user *) ip, sizeof(ud2))) -+ if (probe_kernel_address((unsigned short *)ip, ud2)) - return 0; - - return ud2 == 0x0b0f; - } -+ -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+void __used pax_check_alloca(unsigned long size) -+{ -+ struct stack_info stack_info = {0}; -+ unsigned long visit_mask = 0; -+ unsigned long sp = (unsigned long)&sp; -+ unsigned long stack_left; -+ -+ BUG_ON(get_stack_info(&sp, current, &stack_info, &visit_mask)); -+ -+ switch (stack_info.type) { -+ case STACK_TYPE_TASK: -+ stack_left = sp & (THREAD_SIZE - 1); -+ break; -+ -+ case STACK_TYPE_IRQ: -+ stack_left = sp & (IRQ_STACK_SIZE - 1); -+ break; -+ -+ case STACK_TYPE_EXCEPTION ... STACK_TYPE_EXCEPTION_LAST: -+ stack_left = sp & (EXCEPTION_STKSZ - 1); -+ break; -+ -+ case STACK_TYPE_SOFTIRQ: -+ default: -+ BUG(); -+ } -+ -+ BUG_ON(stack_left < 256 || size >= stack_left - 256); -+} -+EXPORT_SYMBOL(pax_check_alloca); -+#endif -diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c -index 90e8dde..50b64a0 100644 ---- a/arch/x86/kernel/e820.c -+++ b/arch/x86/kernel/e820.c -@@ -829,8 +829,8 @@ unsigned long __init e820_end_of_low_ram_pfn(void) - - static void __init early_panic(char *msg) - { -- early_printk(msg); -- panic(msg); -+ early_printk("%s", msg); -+ panic("%s", msg); - } - - static int userdef __initdata; -diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c -index 8a12199..e63bebf 100644 ---- a/arch/x86/kernel/early_printk.c -+++ b/arch/x86/kernel/early_printk.c -@@ -7,6 +7,7 @@ - #include - #include - #include -+#include - #include - #include - #include -diff --git a/arch/x86/kernel/espfix_64.c b/arch/x86/kernel/espfix_64.c -index 04f89ca..43ad7de 100644 ---- a/arch/x86/kernel/espfix_64.c -+++ b/arch/x86/kernel/espfix_64.c -@@ -41,6 +41,7 @@ - #include - #include - #include -+#include - - /* - * Note: we only need 6*8 = 48 bytes for the espfix stack, but round -@@ -70,8 +71,10 @@ static DEFINE_MUTEX(espfix_init_mutex); - #define ESPFIX_MAX_PAGES DIV_ROUND_UP(CONFIG_NR_CPUS, ESPFIX_STACKS_PER_PAGE) - static void *espfix_pages[ESPFIX_MAX_PAGES]; - --static __page_aligned_bss pud_t espfix_pud_page[PTRS_PER_PUD] -- __aligned(PAGE_SIZE); -+static __page_aligned_rodata pud_t espfix_pud_page[PTRS_PER_PUD]; -+static __page_aligned_rodata pmd_t espfix_pmd_page[PTRS_PER_PMD]; -+static __page_aligned_rodata pte_t espfix_pte_page[PTRS_PER_PTE]; -+static __page_aligned_rodata char espfix_stack_page[ESPFIX_MAX_PAGES][PAGE_SIZE]; - - static unsigned int page_random, slot_random; - -@@ -122,10 +125,19 @@ static void init_espfix_random(void) - void __init init_espfix_bsp(void) - { - pgd_t *pgd_p; -+ pud_t *pud_p; -+ unsigned long index = pgd_index(ESPFIX_BASE_ADDR); - - /* Install the espfix pud into the kernel page directory */ -- pgd_p = &init_level4_pgt[pgd_index(ESPFIX_BASE_ADDR)]; -- pgd_populate(&init_mm, pgd_p, (pud_t *)espfix_pud_page); -+ pgd_p = &init_level4_pgt[index]; -+ pud_p = espfix_pud_page; -+ paravirt_alloc_pud(&init_mm, __pa(pud_p) >> PAGE_SHIFT); -+ set_pgd(pgd_p, __pgd(PGTABLE_PROT | __pa(pud_p))); -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ clone_pgd_range(get_cpu_pgd(0, kernel) + index, swapper_pg_dir + index, 1); -+ clone_pgd_range(get_cpu_pgd(0, user) + index, swapper_pg_dir + index, 1); -+#endif - - /* Randomize the locations */ - init_espfix_random(); -@@ -170,35 +182,39 @@ void init_espfix_ap(int cpu) - pud_p = &espfix_pud_page[pud_index(addr)]; - pud = *pud_p; - if (!pud_present(pud)) { -- struct page *page = alloc_pages_node(node, PGALLOC_GFP, 0); -- -- pmd_p = (pmd_t *)page_address(page); -+ if (cpu) -+ pmd_p = page_address(alloc_pages_node(node, PGALLOC_GFP, 0)); -+ else -+ pmd_p = espfix_pmd_page; - pud = __pud(__pa(pmd_p) | (PGTABLE_PROT & ptemask)); - paravirt_alloc_pmd(&init_mm, __pa(pmd_p) >> PAGE_SHIFT); - for (n = 0; n < ESPFIX_PUD_CLONES; n++) - set_pud(&pud_p[n], pud); -- } -+ } else -+ BUG_ON(!cpu); - - pmd_p = pmd_offset(&pud, addr); - pmd = *pmd_p; - if (!pmd_present(pmd)) { -- struct page *page = alloc_pages_node(node, PGALLOC_GFP, 0); -- -- pte_p = (pte_t *)page_address(page); -+ if (cpu) -+ pte_p = page_address(alloc_pages_node(node, PGALLOC_GFP, 0)); -+ else -+ pte_p = espfix_pte_page; - pmd = __pmd(__pa(pte_p) | (PGTABLE_PROT & ptemask)); - paravirt_alloc_pte(&init_mm, __pa(pte_p) >> PAGE_SHIFT); - for (n = 0; n < ESPFIX_PMD_CLONES; n++) - set_pmd(&pmd_p[n], pmd); -- } -+ } else -+ BUG_ON(!cpu); - - pte_p = pte_offset_kernel(&pmd, addr); -- stack_page = page_address(alloc_pages_node(node, GFP_KERNEL, 0)); -+ stack_page = espfix_stack_page[page]; - pte = __pte(__pa(stack_page) | (__PAGE_KERNEL_RO & ptemask)); - for (n = 0; n < ESPFIX_PTE_CLONES; n++) - set_pte(&pte_p[n*PTE_STRIDE], pte); - - /* Job is done for this CPU and any CPU which shares this page */ -- ACCESS_ONCE(espfix_pages[page]) = stack_page; -+ ACCESS_ONCE_RW(espfix_pages[page]) = stack_page; - - unlock_done: - mutex_unlock(&espfix_init_mutex); -diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c -index 96d80df..1932b44 100644 ---- a/arch/x86/kernel/fpu/core.c -+++ b/arch/x86/kernel/fpu/core.c -@@ -136,7 +136,7 @@ void __kernel_fpu_end(void) - struct fpu *fpu = ¤t->thread.fpu; - - if (fpu->fpregs_active) -- copy_kernel_to_fpregs(&fpu->state); -+ copy_kernel_to_fpregs(fpu->state); - else - __fpregs_deactivate_hw(); - -@@ -201,7 +201,7 @@ void fpu__save(struct fpu *fpu) - if (fpu->fpregs_active) { - if (!copy_fpregs_to_fpstate(fpu)) { - if (use_eager_fpu()) -- copy_kernel_to_fpregs(&fpu->state); -+ copy_kernel_to_fpregs(fpu->state); - else - fpregs_deactivate(fpu); - } -@@ -262,7 +262,7 @@ int fpu__copy(struct fpu *dst_fpu, struct fpu *src_fpu) - * leak into the child task: - */ - if (use_eager_fpu()) -- memset(&dst_fpu->state.xsave, 0, fpu_kernel_xstate_size); -+ memset(&dst_fpu->state->xsave, 0, fpu_kernel_xstate_size); - - /* - * Save current FPU registers directly into the child -@@ -281,11 +281,10 @@ int fpu__copy(struct fpu *dst_fpu, struct fpu *src_fpu) - */ - preempt_disable(); - if (!copy_fpregs_to_fpstate(dst_fpu)) { -- memcpy(&src_fpu->state, &dst_fpu->state, -- fpu_kernel_xstate_size); -+ memcpy(src_fpu->state, dst_fpu->state, fpu_kernel_xstate_size); - - if (use_eager_fpu()) -- copy_kernel_to_fpregs(&src_fpu->state); -+ copy_kernel_to_fpregs(src_fpu->state); - else - fpregs_deactivate(src_fpu); - } -@@ -306,7 +305,7 @@ void fpu__activate_curr(struct fpu *fpu) - WARN_ON_FPU(fpu != ¤t->thread.fpu); - - if (!fpu->fpstate_active) { -- fpstate_init(&fpu->state); -+ fpstate_init(fpu->state); - trace_x86_fpu_init_state(fpu); - - trace_x86_fpu_activate_state(fpu); -@@ -334,7 +333,7 @@ void fpu__activate_fpstate_read(struct fpu *fpu) - fpu__save(fpu); - } else { - if (!fpu->fpstate_active) { -- fpstate_init(&fpu->state); -+ fpstate_init(fpu->state); - trace_x86_fpu_init_state(fpu); - - trace_x86_fpu_activate_state(fpu); -@@ -369,7 +368,7 @@ void fpu__activate_fpstate_write(struct fpu *fpu) - /* Invalidate any lazy state: */ - fpu->last_cpu = -1; - } else { -- fpstate_init(&fpu->state); -+ fpstate_init(fpu->state); - trace_x86_fpu_init_state(fpu); - - trace_x86_fpu_activate_state(fpu); -@@ -432,7 +431,7 @@ void fpu__current_fpstate_write_end(void) - * an XRSTOR if they are active. - */ - if (fpregs_active()) -- copy_kernel_to_fpregs(&fpu->state); -+ copy_kernel_to_fpregs(fpu->state); - - /* - * Our update is done and the fpregs/fpstate are in sync -@@ -459,7 +458,7 @@ void fpu__restore(struct fpu *fpu) - kernel_fpu_disable(); - trace_x86_fpu_before_restore(fpu); - fpregs_activate(fpu); -- copy_kernel_to_fpregs(&fpu->state); -+ copy_kernel_to_fpregs(fpu->state); - fpu->counter++; - trace_x86_fpu_after_restore(fpu); - kernel_fpu_enable(); -@@ -555,11 +554,11 @@ int fpu__exception_code(struct fpu *fpu, int trap_nr) - * fully reproduce the context of the exception. - */ - if (boot_cpu_has(X86_FEATURE_FXSR)) { -- cwd = fpu->state.fxsave.cwd; -- swd = fpu->state.fxsave.swd; -+ cwd = fpu->state->fxsave.cwd; -+ swd = fpu->state->fxsave.swd; - } else { -- cwd = (unsigned short)fpu->state.fsave.cwd; -- swd = (unsigned short)fpu->state.fsave.swd; -+ cwd = (unsigned short)fpu->state->fsave.cwd; -+ swd = (unsigned short)fpu->state->fsave.swd; - } - - err = swd & ~cwd; -@@ -573,7 +572,7 @@ int fpu__exception_code(struct fpu *fpu, int trap_nr) - unsigned short mxcsr = MXCSR_DEFAULT; - - if (boot_cpu_has(X86_FEATURE_XMM)) -- mxcsr = fpu->state.fxsave.mxcsr; -+ mxcsr = fpu->state->fxsave.mxcsr; - - err = ~(mxcsr >> 7) & mxcsr; - } -diff --git a/arch/x86/kernel/fpu/init.c b/arch/x86/kernel/fpu/init.c -index 2f2b8c7..9aad665 100644 ---- a/arch/x86/kernel/fpu/init.c -+++ b/arch/x86/kernel/fpu/init.c -@@ -45,7 +45,7 @@ static void fpu__init_cpu_generic(void) - /* Flush out any pending x87 state: */ - #ifdef CONFIG_MATH_EMULATION - if (!boot_cpu_has(X86_FEATURE_FPU)) -- fpstate_init_soft(¤t->thread.fpu.state.soft); -+ fpstate_init_soft(¤t->thread.fpu.state->soft); - else - #endif - asm volatile ("fninit"); -@@ -148,51 +148,7 @@ static void __init fpu__init_system_generic(void) - unsigned int fpu_kernel_xstate_size; - EXPORT_SYMBOL_GPL(fpu_kernel_xstate_size); - --/* Get alignment of the TYPE. */ --#define TYPE_ALIGN(TYPE) offsetof(struct { char x; TYPE test; }, test) -- --/* -- * Enforce that 'MEMBER' is the last field of 'TYPE'. -- * -- * Align the computed size with alignment of the TYPE, -- * because that's how C aligns structs. -- */ --#define CHECK_MEMBER_AT_END_OF(TYPE, MEMBER) \ -- BUILD_BUG_ON(sizeof(TYPE) != ALIGN(offsetofend(TYPE, MEMBER), \ -- TYPE_ALIGN(TYPE))) -- --/* -- * We append the 'struct fpu' to the task_struct: -- */ --static void __init fpu__init_task_struct_size(void) --{ -- int task_size = sizeof(struct task_struct); -- -- /* -- * Subtract off the static size of the register state. -- * It potentially has a bunch of padding. -- */ -- task_size -= sizeof(((struct task_struct *)0)->thread.fpu.state); -- -- /* -- * Add back the dynamically-calculated register state -- * size. -- */ -- task_size += fpu_kernel_xstate_size; -- -- /* -- * We dynamically size 'struct fpu', so we require that -- * it be at the end of 'thread_struct' and that -- * 'thread_struct' be at the end of 'task_struct'. If -- * you hit a compile error here, check the structure to -- * see if something got added to the end. -- */ -- CHECK_MEMBER_AT_END_OF(struct fpu, state); -- CHECK_MEMBER_AT_END_OF(struct thread_struct, fpu); -- CHECK_MEMBER_AT_END_OF(struct task_struct, thread); -- -- arch_task_struct_size = task_size; --} -+union fpregs_state init_fpregs_state; - - /* - * Set up the user and kernel xstate sizes based on the legacy FPU context size. -@@ -386,7 +342,6 @@ void __init fpu__init_system(struct cpuinfo_x86 *c) - fpu__init_system_generic(); - fpu__init_system_xstate_size_legacy(); - fpu__init_system_xstate(); -- fpu__init_task_struct_size(); - - fpu__init_system_ctx_switch(); - } -diff --git a/arch/x86/kernel/fpu/regset.c b/arch/x86/kernel/fpu/regset.c -index c114b13..0b0d959 100644 ---- a/arch/x86/kernel/fpu/regset.c -+++ b/arch/x86/kernel/fpu/regset.c -@@ -41,7 +41,7 @@ int xfpregs_get(struct task_struct *target, const struct user_regset *regset, - fpstate_sanitize_xstate(fpu); - - return user_regset_copyout(&pos, &count, &kbuf, &ubuf, -- &fpu->state.fxsave, 0, -1); -+ &fpu->state->fxsave, 0, -1); - } - - int xfpregs_set(struct task_struct *target, const struct user_regset *regset, -@@ -58,19 +58,19 @@ int xfpregs_set(struct task_struct *target, const struct user_regset *regset, - fpstate_sanitize_xstate(fpu); - - ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, -- &fpu->state.fxsave, 0, -1); -+ &fpu->state->fxsave, 0, -1); - - /* - * mxcsr reserved bits must be masked to zero for security reasons. - */ -- fpu->state.fxsave.mxcsr &= mxcsr_feature_mask; -+ fpu->state->fxsave.mxcsr &= mxcsr_feature_mask; - - /* - * update the header bits in the xsave header, indicating the - * presence of FP and SSE state. - */ - if (boot_cpu_has(X86_FEATURE_XSAVE)) -- fpu->state.xsave.header.xfeatures |= XFEATURE_MASK_FPSSE; -+ fpu->state->xsave.header.xfeatures |= XFEATURE_MASK_FPSSE; - - return ret; - } -@@ -86,7 +86,7 @@ int xstateregs_get(struct task_struct *target, const struct user_regset *regset, - if (!boot_cpu_has(X86_FEATURE_XSAVE)) - return -ENODEV; - -- xsave = &fpu->state.xsave; -+ xsave = &fpu->state->xsave; - - fpu__activate_fpstate_read(fpu); - -@@ -126,7 +126,7 @@ int xstateregs_set(struct task_struct *target, const struct user_regset *regset, - if ((pos != 0) || (count < fpu_user_xstate_size)) - return -EFAULT; - -- xsave = &fpu->state.xsave; -+ xsave = &fpu->state->xsave; - - fpu__activate_fpstate_write(fpu); - -@@ -139,7 +139,7 @@ int xstateregs_set(struct task_struct *target, const struct user_regset *regset, - * In case of failure, mark all states as init: - */ - if (ret) -- fpstate_init(&fpu->state); -+ fpstate_init(fpu->state); - - /* - * mxcsr reserved bits must be masked to zero for security reasons. -@@ -229,7 +229,7 @@ static inline u32 twd_fxsr_to_i387(struct fxregs_state *fxsave) - void - convert_from_fxsr(struct user_i387_ia32_struct *env, struct task_struct *tsk) - { -- struct fxregs_state *fxsave = &tsk->thread.fpu.state.fxsave; -+ struct fxregs_state *fxsave = &tsk->thread.fpu.state->fxsave; - struct _fpreg *to = (struct _fpreg *) &env->st_space[0]; - struct _fpxreg *from = (struct _fpxreg *) &fxsave->st_space[0]; - int i; -@@ -267,7 +267,7 @@ void convert_to_fxsr(struct task_struct *tsk, - const struct user_i387_ia32_struct *env) - - { -- struct fxregs_state *fxsave = &tsk->thread.fpu.state.fxsave; -+ struct fxregs_state *fxsave = &tsk->thread.fpu.state->fxsave; - struct _fpreg *from = (struct _fpreg *) &env->st_space[0]; - struct _fpxreg *to = (struct _fpxreg *) &fxsave->st_space[0]; - int i; -@@ -305,7 +305,7 @@ int fpregs_get(struct task_struct *target, const struct user_regset *regset, - - if (!boot_cpu_has(X86_FEATURE_FXSR)) - return user_regset_copyout(&pos, &count, &kbuf, &ubuf, -- &fpu->state.fsave, 0, -+ &fpu->state->fsave, 0, - -1); - - fpstate_sanitize_xstate(fpu); -@@ -336,7 +336,7 @@ int fpregs_set(struct task_struct *target, const struct user_regset *regset, - - if (!boot_cpu_has(X86_FEATURE_FXSR)) - return user_regset_copyin(&pos, &count, &kbuf, &ubuf, -- &fpu->state.fsave, 0, -+ &fpu->state->fsave, 0, - -1); - - if (pos > 0 || count < sizeof(env)) -@@ -351,7 +351,7 @@ int fpregs_set(struct task_struct *target, const struct user_regset *regset, - * presence of FP. - */ - if (boot_cpu_has(X86_FEATURE_XSAVE)) -- fpu->state.xsave.header.xfeatures |= XFEATURE_MASK_FP; -+ fpu->state->xsave.header.xfeatures |= XFEATURE_MASK_FP; - return ret; - } - -diff --git a/arch/x86/kernel/fpu/signal.c b/arch/x86/kernel/fpu/signal.c -index a184c21..a1731b7 100644 ---- a/arch/x86/kernel/fpu/signal.c -+++ b/arch/x86/kernel/fpu/signal.c -@@ -56,7 +56,7 @@ static inline int check_for_xstate(struct fxregs_state __user *buf, - static inline int save_fsave_header(struct task_struct *tsk, void __user *buf) - { - if (use_fxsr()) { -- struct xregs_state *xsave = &tsk->thread.fpu.state.xsave; -+ struct xregs_state *xsave = &tsk->thread.fpu.state->xsave; - struct user_i387_ia32_struct env; - struct _fpstate_32 __user *fp = buf; - -@@ -85,19 +85,19 @@ static inline int save_xstate_epilog(void __user *buf, int ia32_frame) - - /* Setup the bytes not touched by the [f]xsave and reserved for SW. */ - sw_bytes = ia32_frame ? &fx_sw_reserved_ia32 : &fx_sw_reserved; -- err = __copy_to_user(&x->i387.sw_reserved, sw_bytes, sizeof(*sw_bytes)); -+ err = __copy_to_user(x->i387.sw_reserved, sw_bytes, sizeof(*sw_bytes)); - - if (!use_xsave()) - return err; - - err |= __put_user(FP_XSTATE_MAGIC2, -- (__u32 *)(buf + fpu_user_xstate_size)); -+ (__u32 __user *)(buf + fpu_user_xstate_size)); - - /* - * Read the xfeatures which we copied (directly from the cpu or - * from the state in task struct) to the user buffers. - */ -- err |= __get_user(xfeatures, (__u32 *)&x->header.xfeatures); -+ err |= __get_user(xfeatures, (__u32 __user *)&x->header.xfeatures); - - /* - * For legacy compatible, we always set FP/SSE bits in the bit -@@ -112,7 +112,7 @@ static inline int save_xstate_epilog(void __user *buf, int ia32_frame) - */ - xfeatures |= XFEATURE_MASK_FPSSE; - -- err |= __put_user(xfeatures, (__u32 *)&x->header.xfeatures); -+ err |= __put_user(xfeatures, (__u32 __user *)&x->header.xfeatures); - - return err; - } -@@ -121,6 +121,7 @@ static inline int copy_fpregs_to_sigframe(struct xregs_state __user *buf) - { - int err; - -+ buf = (struct xregs_state __user *)____m(buf); - if (use_xsave()) - err = copy_xregs_to_user(buf); - else if (use_fxsr()) -@@ -155,7 +156,7 @@ static inline int copy_fpregs_to_sigframe(struct xregs_state __user *buf) - */ - int copy_fpstate_to_sigframe(void __user *buf, void __user *buf_fx, int size) - { -- struct xregs_state *xsave = ¤t->thread.fpu.state.xsave; -+ struct xregs_state *xsave = ¤t->thread.fpu.state->xsave; - struct task_struct *tsk = current; - int ia32_fxstate = (buf != buf_fx); - -@@ -209,7 +210,7 @@ sanitize_restored_xstate(struct task_struct *tsk, - struct user_i387_ia32_struct *ia32_env, - u64 xfeatures, int fx_only) - { -- struct xregs_state *xsave = &tsk->thread.fpu.state.xsave; -+ struct xregs_state *xsave = &tsk->thread.fpu.state->xsave; - struct xstate_header *header = &xsave->header; - - if (use_xsave()) { -@@ -242,6 +243,7 @@ sanitize_restored_xstate(struct task_struct *tsk, - */ - static inline int copy_user_to_fpregs_zeroing(void __user *buf, u64 xbv, int fx_only) - { -+ buf = (void __user *)____m(buf); - if (use_xsave()) { - if ((unsigned long)buf % 64 || fx_only) { - u64 init_bv = xfeatures_mask & ~XFEATURE_MASK_FPSSE; -@@ -325,14 +327,14 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size) - - if (using_compacted_format()) { - err = copyin_to_xsaves(NULL, buf_fx, -- &fpu->state.xsave); -+ &fpu->state->xsave); - } else { -- err = __copy_from_user(&fpu->state.xsave, -+ err = __copy_from_user(&fpu->state->xsave, - buf_fx, state_size); - } - - if (err || __copy_from_user(&env, buf, sizeof(env))) { -- fpstate_init(&fpu->state); -+ fpstate_init(fpu->state); - trace_x86_fpu_init_state(fpu); - err = -1; - } else { -diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c -index 095ef7d..f6c3ca64 100644 ---- a/arch/x86/kernel/fpu/xstate.c -+++ b/arch/x86/kernel/fpu/xstate.c -@@ -154,14 +154,14 @@ static int xfeature_is_user(int xfeature_nr) - */ - void fpstate_sanitize_xstate(struct fpu *fpu) - { -- struct fxregs_state *fx = &fpu->state.fxsave; -+ struct fxregs_state *fx = &fpu->state->fxsave; - int feature_bit; - u64 xfeatures; - - if (!use_xsaveopt()) - return; - -- xfeatures = fpu->state.xsave.header.xfeatures; -+ xfeatures = fpu->state->xsave.header.xfeatures; - - /* - * None of the feature bits are in init state. So nothing else -@@ -866,7 +866,7 @@ const void *get_xsave_field_ptr(int xsave_state) - */ - fpu__save(fpu); - -- return get_xsave_addr(&fpu->state.xsave, xsave_state); -+ return get_xsave_addr(&fpu->state->xsave, xsave_state); - } - - #ifdef CONFIG_ARCH_HAS_PKEYS -diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c -index 8639bb2..aaa97ae 100644 ---- a/arch/x86/kernel/ftrace.c -+++ b/arch/x86/kernel/ftrace.c -@@ -89,7 +89,7 @@ static unsigned long text_ip_addr(unsigned long ip) - * kernel identity mapping to modify code. - */ - if (within(ip, (unsigned long)_text, (unsigned long)_etext)) -- ip = (unsigned long)__va(__pa_symbol(ip)); -+ ip = (unsigned long)__va(__pa_symbol(ktla_ktva(ip))); - - return ip; - } -@@ -105,6 +105,8 @@ ftrace_modify_code_direct(unsigned long ip, unsigned const char *old_code, - { - unsigned char replaced[MCOUNT_INSN_SIZE]; - -+ ip = ktla_ktva(ip); -+ - ftrace_expected = old_code; - - /* -@@ -233,7 +235,7 @@ static int update_ftrace_func(unsigned long ip, void *new) - unsigned char old[MCOUNT_INSN_SIZE]; - int ret; - -- memcpy(old, (void *)ip, MCOUNT_INSN_SIZE); -+ memcpy(old, (void *)ktla_ktva(ip), MCOUNT_INSN_SIZE); - - ftrace_update_func = ip; - /* Make sure the breakpoints see the ftrace_update_func update */ -@@ -314,7 +316,7 @@ static int add_break(unsigned long ip, const char *old) - unsigned char replaced[MCOUNT_INSN_SIZE]; - unsigned char brk = BREAKPOINT_INSTRUCTION; - -- if (probe_kernel_read(replaced, (void *)ip, MCOUNT_INSN_SIZE)) -+ if (probe_kernel_read(replaced, (void *)ktla_ktva(ip), MCOUNT_INSN_SIZE)) - return -EFAULT; - - ftrace_expected = old; -@@ -681,11 +683,11 @@ static unsigned char *ftrace_jmp_replace(unsigned long ip, unsigned long addr) - /* Module allocation simplifies allocating memory for code */ - static inline void *alloc_tramp(unsigned long size) - { -- return module_alloc(size); -+ return module_alloc_exec(size); - } - static inline void tramp_free(void *tramp) - { -- module_memfree(tramp); -+ module_memfree_exec(tramp); - } - #else - /* Trampolines can only be created if modules are supported */ -@@ -763,7 +765,9 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size) - *tramp_size = size + MCOUNT_INSN_SIZE + sizeof(void *); - - /* Copy ftrace_caller onto the trampoline memory */ -+ pax_open_kernel(); - ret = probe_kernel_read(trampoline, (void *)start_offset, size); -+ pax_close_kernel(); - if (WARN_ON(ret < 0)) { - tramp_free(trampoline); - return 0; -@@ -773,6 +777,7 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size) - - /* The trampoline ends with a jmp to ftrace_epilogue */ - jmp = ftrace_jmp_replace(ip, (unsigned long)ftrace_epilogue); -+ pax_open_kernel(); - memcpy(trampoline + size, jmp, MCOUNT_INSN_SIZE); - - /* -@@ -785,6 +790,7 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size) - - ptr = (unsigned long *)(trampoline + size + MCOUNT_INSN_SIZE); - *ptr = (unsigned long)ops; -+ pax_close_kernel(); - - op_offset -= start_offset; - memcpy(&op_ptr, trampoline + op_offset, OP_REF_SIZE); -@@ -802,7 +808,9 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size) - op_ptr.offset = offset; - - /* put in the new offset to the ftrace_ops */ -+ pax_open_kernel(); - memcpy(trampoline + op_offset, &op_ptr, OP_REF_SIZE); -+ pax_close_kernel(); - - /* ALLOC_TRAMP flags lets us know we created it */ - ops->flags |= FTRACE_OPS_FL_ALLOC_TRAMP; -diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c -index b5785c1..c60cbcf 100644 ---- a/arch/x86/kernel/head64.c -+++ b/arch/x86/kernel/head64.c -@@ -63,12 +63,12 @@ int __init early_make_pgtable(unsigned long address) - pgd = *pgd_p; - - /* -- * The use of __START_KERNEL_map rather than __PAGE_OFFSET here is -- * critical -- __PAGE_OFFSET would point us back into the dynamic -+ * The use of __early_va rather than __va here is critical: -+ * __va would point us back into the dynamic - * range and we might end up looping forever... - */ - if (pgd) -- pud_p = (pudval_t *)((pgd & PTE_PFN_MASK) + __START_KERNEL_map - phys_base); -+ pud_p = (pudval_t *)(__early_va(pgd & PTE_PFN_MASK)); - else { - if (next_early_pgt >= EARLY_DYNAMIC_PAGE_TABLES) { - reset_early_page_tables(); -@@ -77,13 +77,13 @@ int __init early_make_pgtable(unsigned long address) - - pud_p = (pudval_t *)early_dynamic_pgts[next_early_pgt++]; - memset(pud_p, 0, sizeof(*pud_p) * PTRS_PER_PUD); -- *pgd_p = (pgdval_t)pud_p - __START_KERNEL_map + phys_base + _KERNPG_TABLE; -+ *pgd_p = (pgdval_t)__pa(pud_p) + _KERNPG_TABLE; - } - pud_p += pud_index(address); - pud = *pud_p; - - if (pud) -- pmd_p = (pmdval_t *)((pud & PTE_PFN_MASK) + __START_KERNEL_map - phys_base); -+ pmd_p = (pmdval_t *)(__early_va(pud & PTE_PFN_MASK)); - else { - if (next_early_pgt >= EARLY_DYNAMIC_PAGE_TABLES) { - reset_early_page_tables(); -@@ -92,7 +92,7 @@ int __init early_make_pgtable(unsigned long address) - - pmd_p = (pmdval_t *)early_dynamic_pgts[next_early_pgt++]; - memset(pmd_p, 0, sizeof(*pmd_p) * PTRS_PER_PMD); -- *pud_p = (pudval_t)pmd_p - __START_KERNEL_map + phys_base + _KERNPG_TABLE; -+ *pud_p = (pudval_t)__pa(pmd_p) + _KERNPG_TABLE; - } - pmd = (physaddr & PMD_MASK) + early_pmd_flags; - pmd_p[pmd_index(address)] = pmd; -@@ -156,8 +156,6 @@ asmlinkage __visible void __init x86_64_start_kernel(char * real_mode_data) - - clear_bss(); - -- clear_page(init_level4_pgt); -- - kasan_early_init(); - - for (i = 0; i < NUM_EXCEPTION_VECTORS; i++) -diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S -index 2dabea4..e97ebe8 100644 ---- a/arch/x86/kernel/head_32.S -+++ b/arch/x86/kernel/head_32.S -@@ -24,10 +24,17 @@ - #include - #include - #include -+#include - - /* Physical address */ - #define pa(X) ((X) - __PAGE_OFFSET) - -+#ifdef CONFIG_PAX_KERNEXEC -+#define ta(X) (X) -+#else -+#define ta(X) ((X) - __PAGE_OFFSET) -+#endif -+ - /* - * References to members of the new_cpu_data structure. - */ -@@ -57,11 +64,7 @@ - * and small than max_low_pfn, otherwise will waste some page table entries - */ - --#if PTRS_PER_PMD > 1 --#define PAGE_TABLE_SIZE(pages) (((pages) / PTRS_PER_PMD) + PTRS_PER_PGD) --#else --#define PAGE_TABLE_SIZE(pages) ((pages) / PTRS_PER_PGD) --#endif -+#define PAGE_TABLE_SIZE(pages) ((pages) / PTRS_PER_PTE) - - /* - * Number of possible pages in the lowmem region. -@@ -87,6 +90,12 @@ INIT_MAP_SIZE = PAGE_TABLE_SIZE(KERNEL_PAGES) * PAGE_SIZE - RESERVE_BRK(pagetables, INIT_MAP_SIZE) - - /* -+ * Real beginning of normal "text" segment -+ */ -+ENTRY(stext) -+ENTRY(_stext) -+ -+/* - * 32-bit kernel entrypoint; only used by the boot CPU. On entry, - * %esi points to the real-mode code as a 32-bit pointer. - * CS and DS must be 4 GB flat segments, but we don't depend on -@@ -94,6 +103,13 @@ RESERVE_BRK(pagetables, INIT_MAP_SIZE) - * can. - */ - __HEAD -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ jmp startup_32 -+/* PaX: fill first page in .text with int3 to catch NULL derefs in kernel mode */ -+.fill PAGE_SIZE-5,1,0xcc -+#endif -+ - ENTRY(startup_32) - movl pa(initial_stack),%ecx - -@@ -115,6 +131,66 @@ ENTRY(startup_32) - 2: - leal -__PAGE_OFFSET(%ecx),%esp - -+#ifdef CONFIG_SMP -+ movl $pa(cpu_gdt_table),%edi -+ movl $__per_cpu_load,%eax -+ movw %ax,GDT_ENTRY_PERCPU * 8 + 2(%edi) -+ rorl $16,%eax -+ movb %al,GDT_ENTRY_PERCPU * 8 + 4(%edi) -+ movb %ah,GDT_ENTRY_PERCPU * 8 + 7(%edi) -+ movl $__per_cpu_end - 1,%eax -+ subl $__per_cpu_start,%eax -+ cmpl $0x100000,%eax -+ jb 1f -+ shrl $PAGE_SHIFT,%eax -+ orb $0x80,GDT_ENTRY_PERCPU * 8 + 6(%edi) -+1: -+ movw %ax,GDT_ENTRY_PERCPU * 8 + 0(%edi) -+ shrl $16,%eax -+ orb %al,GDT_ENTRY_PERCPU * 8 + 6(%edi) -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ movl $NR_CPUS,%ecx -+ movl $pa(cpu_gdt_table),%edi -+1: -+ movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c09700),GDT_ENTRY_KERNEL_DS * 8 + 4(%edi) -+ movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c0fb00),GDT_ENTRY_DEFAULT_USER_CS * 8 + 4(%edi) -+ movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c0f300),GDT_ENTRY_DEFAULT_USER_DS * 8 + 4(%edi) -+ addl $PAGE_SIZE_asm,%edi -+ loop 1b -+#endif -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ movl $pa(boot_gdt),%edi -+ movl $__LOAD_PHYSICAL_ADDR,%eax -+ movw %ax,GDT_ENTRY_BOOT_CS * 8 + 2(%edi) -+ rorl $16,%eax -+ movb %al,GDT_ENTRY_BOOT_CS * 8 + 4(%edi) -+ movb %ah,GDT_ENTRY_BOOT_CS * 8 + 7(%edi) -+ rorl $16,%eax -+ -+ ljmp $(__BOOT_CS),$1f -+1: -+ -+ movl $NR_CPUS,%ecx -+ movl $pa(cpu_gdt_table),%edi -+ addl $__PAGE_OFFSET,%eax -+1: -+ movb $0xc0,GDT_ENTRY_KERNEL_CS * 8 + 6(%edi) -+ movb $0xc0,GDT_ENTRY_KERNEXEC_KERNEL_CS * 8 + 6(%edi) -+ movw %ax,GDT_ENTRY_KERNEL_CS * 8 + 2(%edi) -+ movw %ax,GDT_ENTRY_KERNEXEC_KERNEL_CS * 8 + 2(%edi) -+ rorl $16,%eax -+ movb %al,GDT_ENTRY_KERNEL_CS * 8 + 4(%edi) -+ movb %al,GDT_ENTRY_KERNEXEC_KERNEL_CS * 8 + 4(%edi) -+ movb %ah,GDT_ENTRY_KERNEL_CS * 8 + 7(%edi) -+ movb %ah,GDT_ENTRY_KERNEXEC_KERNEL_CS * 8 + 7(%edi) -+ rorl $16,%eax -+ addl $PAGE_SIZE_asm,%edi -+ loop 1b -+#endif -+ - /* - * Clear BSS first so that there are no surprises... - */ -@@ -155,7 +231,7 @@ ENTRY(startup_32) - - #ifdef CONFIG_MICROCODE - /* Early load ucode on BSP. */ -- call load_ucode_bsp -+ pax_direct_call load_ucode_bsp - #endif - - /* -@@ -210,8 +286,11 @@ ENTRY(startup_32) - movl %eax, pa(max_pfn_mapped) - - /* Do early initialization of the fixmap area */ -- movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,%eax -- movl %eax,pa(initial_pg_pmd+0x1000*KPMDS-8) -+#ifdef CONFIG_COMPAT_VDSO -+ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR+_PAGE_USER,pa(initial_pg_pmd+0x1000*KPMDS-8) -+#else -+ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,pa(initial_pg_pmd+0x1000*KPMDS-8) -+#endif - #else /* Not PAE */ - - page_pde_offset = (__PAGE_OFFSET >> 20); -@@ -241,8 +320,11 @@ page_pde_offset = (__PAGE_OFFSET >> 20); - movl %eax, pa(max_pfn_mapped) - - /* Do early initialization of the fixmap area */ -- movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,%eax -- movl %eax,pa(initial_page_table+0xffc) -+#ifdef CONFIG_COMPAT_VDSO -+ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR+_PAGE_USER,pa(initial_page_table+0xffc) -+#else -+ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,pa(initial_page_table+0xffc) -+#endif - #endif - - #ifdef CONFIG_PARAVIRT -@@ -256,9 +338,7 @@ page_pde_offset = (__PAGE_OFFSET >> 20); - cmpl $num_subarch_entries, %eax - jae bad_subarch - -- movl pa(subarch_entries)(,%eax,4), %eax -- subl $__PAGE_OFFSET, %eax -- jmp *%eax -+ jmp *pa(subarch_entries)(,%eax,4) - - bad_subarch: - WEAK(lguest_entry) -@@ -270,10 +350,10 @@ WEAK(xen_entry) - __INITDATA - - subarch_entries: -- .long default_entry /* normal x86/PC */ -- .long lguest_entry /* lguest hypervisor */ -- .long xen_entry /* Xen hypervisor */ -- .long default_entry /* Moorestown MID */ -+ .long ta(default_entry) /* normal x86/PC */ -+ .long ta(lguest_entry) /* lguest hypervisor */ -+ .long ta(xen_entry) /* Xen hypervisor */ -+ .long ta(default_entry) /* Moorestown MID */ - num_subarch_entries = (. - subarch_entries) / 4 - .previous - #else -@@ -314,7 +394,7 @@ ENTRY(startup_32_smp) - - #ifdef CONFIG_MICROCODE - /* Early load ucode on AP. */ -- call load_ucode_ap -+ pax_direct_call load_ucode_ap - #endif - - default_entry: -@@ -362,6 +442,7 @@ default_entry: - movl pa(mmu_cr4_features),%eax - movl %eax,%cr4 - -+#ifdef CONFIG_X86_PAE - testb $X86_CR4_PAE, %al # check if PAE is enabled - jz enable_paging - -@@ -390,6 +471,9 @@ default_entry: - /* Make changes effective */ - wrmsr - -+ btsl $_PAGE_BIT_NX-32,pa(__supported_pte_mask+4) -+#endif -+ - enable_paging: - - /* -@@ -457,14 +541,20 @@ is486: - 1: movl $(__KERNEL_DS),%eax # reload all the segment registers - movl %eax,%ss # after changing gdt. - -- movl $(__USER_DS),%eax # DS/ES contains default USER segment -+# movl $(__KERNEL_DS),%eax # DS/ES contains default KERNEL segment - movl %eax,%ds - movl %eax,%es - - movl $(__KERNEL_PERCPU), %eax - movl %eax,%fs # set this cpu's percpu - -+#ifdef CONFIG_CC_STACKPROTECTOR - movl $(__KERNEL_STACK_CANARY),%eax -+#elif defined(CONFIG_PAX_MEMORY_UDEREF) -+ movl $(__USER_DS),%eax -+#else -+ xorl %eax,%eax -+#endif - movl %eax,%gs - - xorl %eax,%eax # Clear LDT -@@ -521,8 +611,11 @@ setup_once: - * relocation. Manually set base address in stack canary - * segment descriptor. - */ -- movl $gdt_page,%eax -+ movl $cpu_gdt_table,%eax - movl $stack_canary,%ecx -+#ifdef CONFIG_SMP -+ addl $__per_cpu_load,%ecx -+#endif - movw %cx, 8 * GDT_ENTRY_STACK_CANARY + 2(%eax) - shrl $16, %ecx - movb %cl, 8 * GDT_ENTRY_STACK_CANARY + 4(%eax) -@@ -588,7 +681,7 @@ early_idt_handler_common: - movw $0, PT_GS+2(%esp) - - movl %esp, %eax /* args are pt_regs (EAX), trapnr (EDX) */ -- call early_fixup_exception -+ pax_direct_call early_fixup_exception - - popl %ebx /* pt_regs->bx */ - popl %ecx /* pt_regs->cx */ -@@ -609,8 +702,11 @@ ENDPROC(early_idt_handler_common) - /* This is the default interrupt "handler" :-) */ - ALIGN - ignore_int: -- cld - #ifdef CONFIG_PRINTK -+ cmpl $2,%ss:early_recursion_flag -+ je hlt_loop -+ incl %ss:early_recursion_flag -+ cld - pushl %eax - pushl %ecx - pushl %edx -@@ -619,17 +715,14 @@ ignore_int: - movl $(__KERNEL_DS),%eax - movl %eax,%ds - movl %eax,%es -- cmpl $2,early_recursion_flag -- je hlt_loop -- incl early_recursion_flag - pushl 16(%esp) - pushl 24(%esp) - pushl 32(%esp) - pushl 40(%esp) - pushl $int_msg -- call printk -+ pax_direct_call printk - -- call dump_stack -+ pax_direct_call dump_stack - - addl $(5*4),%esp - popl %ds -@@ -656,11 +749,8 @@ ENTRY(initial_code) - ENTRY(setup_once_ref) - .long setup_once - --/* -- * BSS section -- */ --__PAGE_ALIGNED_BSS -- .align PAGE_SIZE -+__READ_ONLY -+ .balign PAGE_SIZE - #ifdef CONFIG_X86_PAE - initial_pg_pmd: - .fill 1024*KPMDS,4,0 -@@ -676,16 +766,19 @@ empty_zero_page: - .fill 4096,1,0 - .globl swapper_pg_dir - swapper_pg_dir: -- .fill 1024,4,0 -+#ifdef CONFIG_X86_PAE -+ .fill PTRS_PER_PGD,8,0 -+#else -+ .fill PTRS_PER_PGD,4,0 -+#endif - EXPORT_SYMBOL(empty_zero_page) - - /* - * This starts the data section. - */ - #ifdef CONFIG_X86_PAE --__PAGE_ALIGNED_DATA -- /* Page-aligned for the benefit of paravirt? */ -- .align PAGE_SIZE -+__READ_ONLY -+ .balign PAGE_SIZE - ENTRY(initial_page_table) - .long pa(initial_pg_pmd+PGD_IDENT_ATTR),0 /* low identity map */ - # if KPMDS == 3 -@@ -703,13 +796,22 @@ ENTRY(initial_page_table) - # else - # error "Kernel PMDs should be 1, 2 or 3" - # endif -- .align PAGE_SIZE /* needs to be page-sized too */ -+ .balign PAGE_SIZE /* needs to be page-sized too */ -+ -+# ifdef CONFIG_PAX_PER_CPU_PGD -+ENTRY(cpu_pgd) -+ .rept 2*NR_CPUS -+ .fill PTRS_PER_PGD,8,0 -+ .endr -+EXPORT_SYMBOL(cpu_pgd) -+# endif -+ - #endif - - .data - .balign 4 - ENTRY(initial_stack) -- .long init_thread_union+THREAD_SIZE -+ .long init_thread_union+THREAD_SIZE-8 - - __INITRODATA - int_msg: -@@ -724,7 +826,7 @@ int_msg: - * segment size, and 32-bit linear address value: - */ - -- .data -+__READ_ONLY - .globl boot_gdt_descr - .globl idt_descr - -@@ -733,7 +835,7 @@ int_msg: - .word 0 # 32 bit align gdt_desc.address - boot_gdt_descr: - .word __BOOT_DS+7 -- .long boot_gdt - __PAGE_OFFSET -+ .long pa(boot_gdt) - - .word 0 # 32-bit align idt_desc.address - idt_descr: -@@ -744,7 +846,7 @@ idt_descr: - .word 0 # 32 bit align gdt_desc.address - ENTRY(early_gdt_descr) - .word GDT_ENTRIES*8-1 -- .long gdt_page /* Overwritten for secondary CPUs */ -+ .long cpu_gdt_table /* Overwritten for secondary CPUs */ - - /* - * The boot_gdt must mirror the equivalent in setup.S and is -@@ -753,5 +855,67 @@ ENTRY(early_gdt_descr) - .align L1_CACHE_BYTES - ENTRY(boot_gdt) - .fill GDT_ENTRY_BOOT_CS,8,0 -- .quad 0x00cf9a000000ffff /* kernel 4GB code at 0x00000000 */ -- .quad 0x00cf92000000ffff /* kernel 4GB data at 0x00000000 */ -+ .quad 0x00cf9b000000ffff /* kernel 4GB code at 0x00000000 */ -+ .quad 0x00cf93000000ffff /* kernel 4GB data at 0x00000000 */ -+ -+ .align PAGE_SIZE_asm -+ENTRY(cpu_gdt_table) -+ .rept NR_CPUS -+ .quad 0x0000000000000000 /* NULL descriptor */ -+ .quad 0x0000000000000000 /* 0x0b reserved */ -+ .quad 0x0000000000000000 /* 0x13 reserved */ -+ .quad 0x0000000000000000 /* 0x1b reserved */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ .quad 0x00cf9b000000ffff /* 0x20 alternate kernel 4GB code at 0x00000000 */ -+#else -+ .quad 0x0000000000000000 /* 0x20 unused */ -+#endif -+ -+ .quad 0x0000000000000000 /* 0x28 unused */ -+ .quad 0x0000000000000000 /* 0x33 TLS entry 1 */ -+ .quad 0x0000000000000000 /* 0x3b TLS entry 2 */ -+ .quad 0x0000000000000000 /* 0x43 TLS entry 3 */ -+ .quad 0x0000000000000000 /* 0x4b reserved */ -+ .quad 0x0000000000000000 /* 0x53 reserved */ -+ .quad 0x0000000000000000 /* 0x5b reserved */ -+ -+ .quad 0x00cf9b000000ffff /* 0x60 kernel 4GB code at 0x00000000 */ -+ .quad 0x00cf93000000ffff /* 0x68 kernel 4GB data at 0x00000000 */ -+ .quad 0x00cffb000000ffff /* 0x73 user 4GB code at 0x00000000 */ -+ .quad 0x00cff3000000ffff /* 0x7b user 4GB data at 0x00000000 */ -+ -+ .quad 0x0000000000000000 /* 0x80 TSS descriptor */ -+ .quad 0x0000000000000000 /* 0x88 LDT descriptor */ -+ -+ /* -+ * Segments used for calling PnP BIOS have byte granularity. -+ * The code segments and data segments have fixed 64k limits, -+ * the transfer segment sizes are set at run time. -+ */ -+ .quad 0x00409b000000ffff /* 0x90 32-bit code */ -+ .quad 0x00009b000000ffff /* 0x98 16-bit code */ -+ .quad 0x000093000000ffff /* 0xa0 16-bit data */ -+ .quad 0x0000930000000000 /* 0xa8 16-bit data */ -+ .quad 0x0000930000000000 /* 0xb0 16-bit data */ -+ -+ /* -+ * The APM segments have byte granularity and their bases -+ * are set at run time. All have 64k limits. -+ */ -+ .quad 0x00409b000000ffff /* 0xb8 APM CS code */ -+ .quad 0x00009b000000ffff /* 0xc0 APM CS 16 code (16 bit) */ -+ .quad 0x004093000000ffff /* 0xc8 APM DS data */ -+ -+ .quad 0x00c093000000ffff /* 0xd0 - ESPFIX SS */ -+ .quad 0x0040930000000000 /* 0xd8 - PERCPU */ -+ .quad 0x0040910000000017 /* 0xe0 - STACK_CANARY */ -+ .quad 0x0000000000000000 /* 0xe8 - PCIBIOS_CS */ -+ .quad 0x0000000000000000 /* 0xf0 - PCIBIOS_DS */ -+ .quad 0x0000000000000000 /* 0xf8 - GDT entry 31: double-fault TSS */ -+ -+ /* Be sure this is zeroed to avoid false validations in Xen */ -+ .fill PAGE_SIZE_asm - GDT_SIZE,1,0 -+ .endr -+ -+EXPORT_SYMBOL_GPL(cpu_gdt_table) -diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S -index b4421cc..8326c69 100644 ---- a/arch/x86/kernel/head_64.S -+++ b/arch/x86/kernel/head_64.S -@@ -20,6 +20,8 @@ - #include - #include - #include -+#include -+#include - #include "../entry/calling.h" - #include - -@@ -42,6 +44,12 @@ - L4_PAGE_OFFSET = pgd_index(__PAGE_OFFSET_BASE) - L4_START_KERNEL = pgd_index(__START_KERNEL_map) - L3_START_KERNEL = pud_index(__START_KERNEL_map) -+L4_VMALLOC_START = pgd_index(VMALLOC_START) -+L3_VMALLOC_START = pud_index(VMALLOC_START) -+L4_VMALLOC_END = pgd_index(VMALLOC_END) -+L3_VMALLOC_END = pud_index(VMALLOC_END) -+L4_VMEMMAP_START = pgd_index(VMEMMAP_START) -+L3_VMEMMAP_START = pud_index(VMEMMAP_START) - - .text - __HEAD -@@ -99,11 +107,36 @@ startup_64: - * Fixup the physical addresses in the page table - */ - addq %rbp, early_level4_pgt + (L4_START_KERNEL*8)(%rip) -+ addq %rbp, init_level4_pgt + (L4_PAGE_OFFSET*8)(%rip) -+ addq %rbp, init_level4_pgt + (L4_VMALLOC_START*8)(%rip) -+ addq %rbp, init_level4_pgt + (L4_VMALLOC_START*8) + 8(%rip) -+ addq %rbp, init_level4_pgt + (L4_VMALLOC_START*8) + 16(%rip) -+ addq %rbp, init_level4_pgt + (L4_VMALLOC_START*8) + 24(%rip) -+ addq %rbp, init_level4_pgt + (L4_VMALLOC_END*8)(%rip) -+ addq %rbp, init_level4_pgt + (L4_VMEMMAP_START*8)(%rip) -+ addq %rbp, init_level4_pgt + (L4_START_KERNEL*8)(%rip) - -- addq %rbp, level3_kernel_pgt + (510*8)(%rip) -- addq %rbp, level3_kernel_pgt + (511*8)(%rip) -+ addq %rbp, level3_ident_pgt + (0*8)(%rip) -+#ifndef CONFIG_XEN -+ addq %rbp, level3_ident_pgt + (1*8)(%rip) -+#endif - -+ addq %rbp, level3_vmemmap_pgt + (L3_VMEMMAP_START*8)(%rip) -+ -+ addq %rbp, level3_kernel_pgt + (L3_START_KERNEL*8)(%rip) -+ addq %rbp, level3_kernel_pgt + ((L3_START_KERNEL+1)*8)(%rip) -+ -+ addq %rbp, level2_ident_pgt + (0*8)(%rip) -+ -+ addq %rbp, level2_fixmap_pgt + (0*8)(%rip) -+ addq %rbp, level2_fixmap_pgt + (1*8)(%rip) -+ addq %rbp, level2_fixmap_pgt + (2*8)(%rip) -+ addq %rbp, level2_fixmap_pgt + (3*8)(%rip) -+ -+ addq %rbp, level2_fixmap_pgt + (504*8)(%rip) -+ addq %rbp, level2_fixmap_pgt + (505*8)(%rip) - addq %rbp, level2_fixmap_pgt + (506*8)(%rip) -+ addq %rbp, level2_fixmap_pgt + (507*8)(%rip) - - /* - * Set up the identity mapping for the switchover. These -@@ -187,11 +220,12 @@ ENTRY(secondary_startup_64) - /* Sanitize CPU configuration */ - call verify_cpu - -+ orq $-1, %rbp - movq $(init_level4_pgt - __START_KERNEL_map), %rax - 1: - -- /* Enable PAE mode and PGE */ -- movl $(X86_CR4_PAE | X86_CR4_PGE), %ecx -+ /* Enable PAE mode and PSE/PGE */ -+ movl $(X86_CR4_PSE | X86_CR4_PAE | X86_CR4_PGE), %ecx - movq %rcx, %cr4 - - /* Setup early boot stage 4 level pagetables. */ -@@ -212,10 +246,24 @@ ENTRY(secondary_startup_64) - movl $MSR_EFER, %ecx - rdmsr - btsl $_EFER_SCE, %eax /* Enable System Call */ -- btl $20,%edi /* No Execute supported? */ -+ btl $(X86_FEATURE_NX & 31),%edi /* No Execute supported? */ - jnc 1f - btsl $_EFER_NX, %eax -+ cmpq $-1, %rbp -+ je 1f - btsq $_PAGE_BIT_NX,early_pmd_flags(%rip) -+ btsq $_PAGE_BIT_NX, init_level4_pgt + 8*L4_PAGE_OFFSET(%rip) -+ btsq $_PAGE_BIT_NX, init_level4_pgt + (8*L4_VMALLOC_START)(%rip) -+ btsq $_PAGE_BIT_NX, init_level4_pgt + (8*L4_VMALLOC_START) + 8(%rip) -+ btsq $_PAGE_BIT_NX, init_level4_pgt + (8*L4_VMALLOC_START) + 16(%rip) -+ btsq $_PAGE_BIT_NX, init_level4_pgt + (8*L4_VMALLOC_START) + 24(%rip) -+ btsq $_PAGE_BIT_NX, init_level4_pgt + 8*L4_VMALLOC_END(%rip) -+ btsq $_PAGE_BIT_NX, init_level4_pgt + 8*L4_VMEMMAP_START(%rip) -+ btsq $_PAGE_BIT_NX, level2_fixmap_pgt + 8*504(%rip) -+ btsq $_PAGE_BIT_NX, level2_fixmap_pgt + 8*505(%rip) -+ btsq $_PAGE_BIT_NX, level2_fixmap_pgt + 8*506(%rip) -+ btsq $_PAGE_BIT_NX, level2_fixmap_pgt + 8*507(%rip) -+ btsq $_PAGE_BIT_NX, __supported_pte_mask(%rip) - 1: wrmsr /* Make changes effective */ - - /* Setup cr0 */ -@@ -295,10 +343,10 @@ ENTRY(secondary_startup_64) - * REX.W + FF /5 JMP m16:64 Jump far, absolute indirect, - * address given in m16:64. - */ -- movq initial_code(%rip),%rax -+ pax_set_fptr_mask - pushq $0 # fake return address to stop unwinder - pushq $__KERNEL_CS # set correct cs -- pushq %rax # target address in negative space -+ pushq initial_code(%rip) # target address in negative space - lretq - ENDPROC(secondary_startup_64) - -@@ -312,10 +360,9 @@ ENDPROC(secondary_startup_64) - */ - ENTRY(start_cpu0) - movq initial_stack(%rip),%rsp -- movq initial_code(%rip),%rax - pushq $0 # fake return address to stop unwinder - pushq $__KERNEL_CS # set correct cs -- pushq %rax # target address in negative space -+ pushq initial_code(%rip) # target address in negative space - lretq - ENDPROC(start_cpu0) - #endif -@@ -328,7 +375,7 @@ ENDPROC(start_cpu0) - GLOBAL(initial_gs) - .quad INIT_PER_CPU_VAR(irq_stack_union) - GLOBAL(initial_stack) -- .quad init_thread_union+THREAD_SIZE-8 -+ .quad init_thread_union+THREAD_SIZE-16 - __FINITDATA - - bad_address: -@@ -382,13 +429,13 @@ early_idt_handler_common: - cmpq $14,%rsi /* Page fault? */ - jnz 10f - GET_CR2_INTO(%rdi) /* Can clobber any volatile register if pv */ -- call early_make_pgtable -+ pax_direct_call early_make_pgtable - andl %eax,%eax - jz 20f /* All good */ - - 10: - movq %rsp,%rdi /* RDI = pt_regs; RSI is already trapnr */ -- call early_fixup_exception -+ pax_direct_call early_fixup_exception - - 20: - decl early_recursion_flag(%rip) -@@ -416,40 +463,71 @@ GLOBAL(name) - __INITDATA - NEXT_PAGE(early_level4_pgt) - .fill 511,8,0 -- .quad level3_kernel_pgt - __START_KERNEL_map + _PAGE_TABLE -+ .quad level3_kernel_pgt - __START_KERNEL_map + _KERNPG_TABLE - - NEXT_PAGE(early_dynamic_pgts) - .fill 512*EARLY_DYNAMIC_PAGE_TABLES,8,0 - -- .data -+ __READ_ONLY - --#ifndef CONFIG_XEN - NEXT_PAGE(init_level4_pgt) -- .fill 512,8,0 --#else --NEXT_PAGE(init_level4_pgt) -- .quad level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE - .org init_level4_pgt + L4_PAGE_OFFSET*8, 0 - .quad level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE -+ .org init_level4_pgt + L4_VMALLOC_START*8, 0 -+ .quad level3_vmalloc_start_pgt - __START_KERNEL_map + PAGE_SIZE*0 + _KERNPG_TABLE -+ .quad level3_vmalloc_start_pgt - __START_KERNEL_map + PAGE_SIZE*1 + _KERNPG_TABLE -+ .quad level3_vmalloc_start_pgt - __START_KERNEL_map + PAGE_SIZE*2 + _KERNPG_TABLE -+ .quad level3_vmalloc_start_pgt - __START_KERNEL_map + PAGE_SIZE*3 + _KERNPG_TABLE -+ .org init_level4_pgt + L4_VMALLOC_END*8, 0 -+ .quad level3_vmalloc_end_pgt - __START_KERNEL_map + _KERNPG_TABLE -+ .org init_level4_pgt + L4_VMEMMAP_START*8, 0 -+ .quad level3_vmemmap_pgt - __START_KERNEL_map + _KERNPG_TABLE - .org init_level4_pgt + L4_START_KERNEL*8, 0 - /* (2^48-(2*1024*1024*1024))/(2^39) = 511 */ -- .quad level3_kernel_pgt - __START_KERNEL_map + _PAGE_TABLE -+ .quad level3_kernel_pgt - __START_KERNEL_map + _KERNPG_TABLE -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+NEXT_PAGE(cpu_pgd) -+ .rept 2*NR_CPUS -+ .fill 512,8,0 -+ .endr -+EXPORT_SYMBOL(cpu_pgd) -+#endif - - NEXT_PAGE(level3_ident_pgt) - .quad level2_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE -+#ifdef CONFIG_XEN - .fill 511, 8, 0 -+#else -+ .quad level2_ident_pgt + PAGE_SIZE - __START_KERNEL_map + _KERNPG_TABLE -+ .fill 510,8,0 -+#endif -+ -+NEXT_PAGE(level3_vmalloc_start_pgt) -+ .fill 4*512,8,0 -+ -+NEXT_PAGE(level3_vmalloc_end_pgt) -+ .fill 512,8,0 -+ -+NEXT_PAGE(level3_vmemmap_pgt) -+ .fill L3_VMEMMAP_START,8,0 -+ .quad level2_vmemmap_pgt - __START_KERNEL_map + _KERNPG_TABLE -+ - NEXT_PAGE(level2_ident_pgt) -- /* Since I easily can, map the first 1G. -+ .quad level1_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE -+ /* Since I easily can, map the first 2G. - * Don't set NX because code runs from these pages. - */ -- PMDS(0, __PAGE_KERNEL_IDENT_LARGE_EXEC, PTRS_PER_PMD) --#endif -+ PMDS(PMD_SIZE, __PAGE_KERNEL_IDENT_LARGE_EXEC, 2*PTRS_PER_PMD - 1) - - NEXT_PAGE(level3_kernel_pgt) - .fill L3_START_KERNEL,8,0 - /* (2^48-(2*1024*1024*1024)-((2^39)*511))/(2^30) = 510 */ - .quad level2_kernel_pgt - __START_KERNEL_map + _KERNPG_TABLE -- .quad level2_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE -+ .quad level2_fixmap_pgt - __START_KERNEL_map + _KERNPG_TABLE -+ -+NEXT_PAGE(level2_vmemmap_pgt) -+ .fill 512,8,0 - - NEXT_PAGE(level2_kernel_pgt) - /* -@@ -466,23 +544,73 @@ NEXT_PAGE(level2_kernel_pgt) - KERNEL_IMAGE_SIZE/PMD_SIZE) - - NEXT_PAGE(level2_fixmap_pgt) -- .fill 506,8,0 -- .quad level1_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE -- /* 8MB reserved for vsyscalls + a 2MB hole = 4 + 1 entries */ -- .fill 5,8,0 -+ .quad level1_modules_pgt - __START_KERNEL_map + 0 * PAGE_SIZE + _KERNPG_TABLE -+ .quad level1_modules_pgt - __START_KERNEL_map + 1 * PAGE_SIZE + _KERNPG_TABLE -+ .quad level1_modules_pgt - __START_KERNEL_map + 2 * PAGE_SIZE + _KERNPG_TABLE -+ .quad level1_modules_pgt - __START_KERNEL_map + 3 * PAGE_SIZE + _KERNPG_TABLE -+ .fill 500,8,0 -+ .quad level1_fixmap_pgt - __START_KERNEL_map + 0 * PAGE_SIZE + _KERNPG_TABLE -+ .quad level1_fixmap_pgt - __START_KERNEL_map + 1 * PAGE_SIZE + _KERNPG_TABLE -+ .quad level1_fixmap_pgt - __START_KERNEL_map + 2 * PAGE_SIZE + _KERNPG_TABLE -+ .quad level1_vsyscall_pgt - __START_KERNEL_map + _KERNPG_TABLE -+ /* 6MB reserved for vsyscalls + a 2MB hole = 3 + 1 entries */ -+ .fill 4,8,0 -+ -+NEXT_PAGE(level1_ident_pgt) -+ .fill 512,8,0 -+ -+NEXT_PAGE(level1_modules_pgt) -+ .fill 4*512,8,0 - - NEXT_PAGE(level1_fixmap_pgt) -+ .fill 3*512,8,0 -+ -+NEXT_PAGE(level1_vsyscall_pgt) - .fill 512,8,0 - - #undef PMDS - -- .data -+ .align PAGE_SIZE -+ENTRY(cpu_gdt_table) -+ .rept NR_CPUS -+ .quad 0x0000000000000000 /* NULL descriptor */ -+ .quad 0x00cf9b000000ffff /* __KERNEL32_CS */ -+ .quad 0x00af9b000000ffff /* __KERNEL_CS */ -+ .quad 0x00cf93000000ffff /* __KERNEL_DS */ -+ .quad 0x00cffb000000ffff /* __USER32_CS */ -+ .quad 0x00cff3000000ffff /* __USER_DS, __USER32_DS */ -+ .quad 0x00affb000000ffff /* __USER_CS */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ .quad 0x00af9b000000ffff /* __KERNEXEC_KERNEL_CS */ -+#else -+ .quad 0x0 /* unused */ -+#endif -+ -+ .quad 0,0 /* TSS */ -+ .quad 0,0 /* LDT */ -+ .quad 0,0,0 /* three TLS descriptors */ -+ .quad 0x0000f40000000000 /* node/CPU stored in limit */ -+ /* asm/segment.h:GDT_ENTRIES must match this */ -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ .quad 0x00cf93000000ffff /* __UDEREF_KERNEL_DS */ -+#else -+ .quad 0x0 /* unused */ -+#endif -+ -+ /* zero the remaining page */ -+ .fill PAGE_SIZE / 8 - GDT_ENTRIES,8,0 -+ .endr -+ -+EXPORT_SYMBOL_GPL(cpu_gdt_table) -+ - .align 16 - .globl early_gdt_descr - early_gdt_descr: - .word GDT_ENTRIES*8-1 - early_gdt_descr_base: -- .quad INIT_PER_CPU_VAR(gdt_page) -+ .quad cpu_gdt_table - - ENTRY(phys_base) - /* This must match the first entry in level2_kernel_pgt */ -@@ -490,8 +618,8 @@ ENTRY(phys_base) - EXPORT_SYMBOL(phys_base) - - #include "../../x86/xen/xen-head.S" -- -- __PAGE_ALIGNED_BSS -+ -+ .section .rodata,"a",@progbits - NEXT_PAGE(empty_zero_page) - .skip PAGE_SIZE - EXPORT_SYMBOL(empty_zero_page) -diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c -index 932348fb..57fc0d4 100644 ---- a/arch/x86/kernel/hpet.c -+++ b/arch/x86/kernel/hpet.c -@@ -136,7 +136,7 @@ int is_hpet_enabled(void) - } - EXPORT_SYMBOL_GPL(is_hpet_enabled); - --static void _hpet_print_config(const char *function, int line) -+static void __nocapture(1) _hpet_print_config(const char *function, int line) - { - u32 i, timers, l, h; - printk(KERN_INFO "hpet: %s(%d):\n", function, line); -@@ -593,7 +593,7 @@ static void init_one_hpet_msi_clockevent(struct hpet_dev *hdev, int cpu) - #define RESERVE_TIMERS 0 - #endif - --static void hpet_msi_capability_lookup(unsigned int start_timer) -+static __init void hpet_msi_capability_lookup(unsigned int start_timer) - { - unsigned int id; - unsigned int num_timers; -diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c -index be22f5a..a04fa14 100644 ---- a/arch/x86/kernel/i8259.c -+++ b/arch/x86/kernel/i8259.c -@@ -110,7 +110,7 @@ static int i8259A_irq_pending(unsigned int irq) - static void make_8259A_irq(unsigned int irq) - { - disable_irq_nosync(irq); -- io_apic_irqs &= ~(1< - #include - #include -+#include - #include - #include - #include -@@ -20,7 +21,7 @@ - /* - * this changes the io permissions bitmap in the current task. - */ --asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on) -+SYSCALL_DEFINE3(ioperm, unsigned long, from, unsigned long, num, int, turn_on) - { - struct thread_struct *t = ¤t->thread; - struct tss_struct *tss; -@@ -30,6 +31,12 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on) - return -EINVAL; - if (turn_on && !capable(CAP_SYS_RAWIO)) - return -EPERM; -+#ifdef CONFIG_GRKERNSEC_IO -+ if (turn_on && grsec_disable_privio) { -+ gr_handle_ioperm(); -+ return -ENODEV; -+ } -+#endif - - /* - * If it's the first ioperm() call in this thread's lifetime, set the -@@ -54,7 +61,7 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on) - * because the ->io_bitmap_max value must match the bitmap - * contents: - */ -- tss = &per_cpu(cpu_tss, get_cpu()); -+ tss = cpu_tss + get_cpu(); - - if (turn_on) - bitmap_clear(t->io_bitmap_ptr, from, num); -@@ -110,6 +117,12 @@ SYSCALL_DEFINE1(iopl, unsigned int, level) - if (level > old) { - if (!capable(CAP_SYS_RAWIO)) - return -EPERM; -+#ifdef CONFIG_GRKERNSEC_IO -+ if (grsec_disable_privio) { -+ gr_handle_iopl(); -+ return -ENODEV; -+ } -+#endif - } - regs->flags = (regs->flags & ~X86_EFLAGS_IOPL) | - (level << X86_EFLAGS_IOPL_BIT); -diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c -index 9f669fd..00354af 100644 ---- a/arch/x86/kernel/irq.c -+++ b/arch/x86/kernel/irq.c -@@ -28,7 +28,7 @@ EXPORT_PER_CPU_SYMBOL(irq_stat); - DEFINE_PER_CPU(struct pt_regs *, irq_regs); - EXPORT_PER_CPU_SYMBOL(irq_regs); - --atomic_t irq_err_count; -+atomic_unchecked_t irq_err_count; - - /* Function pointer for generic interrupt vector handling */ - void (*x86_platform_ipi_callback)(void) = NULL; -@@ -146,9 +146,9 @@ int arch_show_interrupts(struct seq_file *p, int prec) - seq_puts(p, " Hypervisor callback interrupts\n"); - } - #endif -- seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count)); -+ seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read_unchecked(&irq_err_count)); - #if defined(CONFIG_X86_IO_APIC) -- seq_printf(p, "%*s: %10u\n", prec, "MIS", atomic_read(&irq_mis_count)); -+ seq_printf(p, "%*s: %10u\n", prec, "MIS", atomic_read_unchecked(&irq_mis_count)); - #endif - #ifdef CONFIG_HAVE_KVM - seq_printf(p, "%*s: ", prec, "PIN"); -@@ -200,7 +200,7 @@ u64 arch_irq_stat_cpu(unsigned int cpu) - - u64 arch_irq_stat(void) - { -- u64 sum = atomic_read(&irq_err_count); -+ u64 sum = atomic_read_unchecked(&irq_err_count); - return sum; - } - -diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c -index 1f38d9a..65b5e98 100644 ---- a/arch/x86/kernel/irq_32.c -+++ b/arch/x86/kernel/irq_32.c -@@ -22,6 +22,8 @@ - - #ifdef CONFIG_DEBUG_STACKOVERFLOW - -+extern void gr_handle_kernel_exploit(void); -+ - int sysctl_panic_on_stackoverflow __read_mostly; - - /* Debugging check for stack overflow: is there less than 1KB free? */ -@@ -32,29 +34,30 @@ static int check_stack_overflow(void) - __asm__ __volatile__("andl %%esp,%0" : - "=r" (sp) : "0" (THREAD_SIZE - 1)); - -- return sp < (sizeof(struct thread_info) + STACK_WARN); -+ return sp < STACK_WARN; - } - --static void print_stack_overflow(void) -+static asmlinkage void print_stack_overflow(void) - { - printk(KERN_WARNING "low stack detected by irq handler\n"); - dump_stack(); -+ gr_handle_kernel_exploit(); - if (sysctl_panic_on_stackoverflow) - panic("low stack detected by irq handler - check messages\n"); - } - - #else - static inline int check_stack_overflow(void) { return 0; } --static inline void print_stack_overflow(void) { } -+static asmlinkage void print_stack_overflow(void) { } - #endif - - DEFINE_PER_CPU(struct irq_stack *, hardirq_stack); - DEFINE_PER_CPU(struct irq_stack *, softirq_stack); - --static void call_on_stack(void *func, void *stack) -+static void call_on_stack(void (asmlinkage *func)(void), void *stack) - { - asm volatile("xchgl %%ebx,%%esp \n" -- "call *%%edi \n" -+ PAX_INDIRECT_CALL("*%%edi", "__do_softirq") "\n" - "movl %%ebx,%%esp \n" - : "=b" (stack) - : "0" (stack), -@@ -69,10 +72,9 @@ static inline void *current_stack(void) - - static inline int execute_on_irq_stack(int overflow, struct irq_desc *desc) - { -- struct irq_stack *curstk, *irqstk; -+ struct irq_stack *irqstk; - u32 *isp, *prev_esp, arg1; - -- curstk = (struct irq_stack *) current_stack(); - irqstk = __this_cpu_read(hardirq_stack); - - /* -@@ -81,25 +83,34 @@ static inline int execute_on_irq_stack(int overflow, struct irq_desc *desc) - * handler) we can't do that and just have to keep using the - * current stack (which is the irq stack already after all) - */ -- if (unlikely(curstk == irqstk)) -+ if (unlikely((void *)current_stack_pointer - (void *)irqstk < THREAD_SIZE)) - return 0; - -- isp = (u32 *) ((char *)irqstk + sizeof(*irqstk)); -+ isp = (u32 *) ((char *)irqstk + sizeof(*irqstk) - 8); - - /* Save the next esp at the bottom of the stack */ - prev_esp = (u32 *)irqstk; - *prev_esp = current_stack_pointer(); - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(MAKE_MM_SEG(0)); -+#endif -+ - if (unlikely(overflow)) - call_on_stack(print_stack_overflow, isp); - - asm volatile("xchgl %%ebx,%%esp \n" -- "call *%%edi \n" -+ PAX_INDIRECT_CALL("*%%edi", "handle_bad_irq") "\n" - "movl %%ebx,%%esp \n" - : "=a" (arg1), "=b" (isp) - : "0" (desc), "1" (isp), - "D" (desc->handle_irq) - : "memory", "cc", "ecx"); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(current->thread.addr_limit); -+#endif -+ - return 1; - } - -@@ -108,23 +119,11 @@ static inline int execute_on_irq_stack(int overflow, struct irq_desc *desc) - */ - void irq_ctx_init(int cpu) - { -- struct irq_stack *irqstk; -- - if (per_cpu(hardirq_stack, cpu)) - return; - -- irqstk = page_address(alloc_pages_node(cpu_to_node(cpu), -- THREADINFO_GFP, -- THREAD_SIZE_ORDER)); -- per_cpu(hardirq_stack, cpu) = irqstk; -- -- irqstk = page_address(alloc_pages_node(cpu_to_node(cpu), -- THREADINFO_GFP, -- THREAD_SIZE_ORDER)); -- per_cpu(softirq_stack, cpu) = irqstk; -- -- printk(KERN_DEBUG "CPU %u irqstacks, hard=%p soft=%p\n", -- cpu, per_cpu(hardirq_stack, cpu), per_cpu(softirq_stack, cpu)); -+ per_cpu(hardirq_stack, cpu) = page_address(alloc_pages_node(cpu_to_node(cpu), THREADINFO_GFP, THREAD_SIZE_ORDER)); -+ per_cpu(softirq_stack, cpu) = page_address(alloc_pages_node(cpu_to_node(cpu), THREADINFO_GFP, THREAD_SIZE_ORDER)); - } - - void do_softirq_own_stack(void) -@@ -141,7 +140,16 @@ void do_softirq_own_stack(void) - prev_esp = (u32 *)irqstk; - *prev_esp = current_stack_pointer(); - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(MAKE_MM_SEG(0)); -+#endif -+ - call_on_stack(__do_softirq, isp); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(current->thread.addr_limit); -+#endif -+ - } - - bool handle_irq(struct irq_desc *desc, struct pt_regs *regs) -diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c -index 9ebd0b0..685de4a 100644 ---- a/arch/x86/kernel/irq_64.c -+++ b/arch/x86/kernel/irq_64.c -@@ -19,6 +19,8 @@ - #include - #include - -+extern void gr_handle_kernel_exploit(void); -+ - int sysctl_panic_on_stackoverflow; - - /* -@@ -44,9 +46,8 @@ static inline void stack_overflow_check(struct pt_regs *regs) - regs->sp <= curbase + THREAD_SIZE) - return; - -- irq_stack_top = (u64)this_cpu_ptr(irq_stack_union.irq_stack) + -- STACK_TOP_MARGIN; - irq_stack_bottom = (u64)__this_cpu_read(irq_stack_ptr); -+ irq_stack_top = irq_stack_bottom - IRQ_STACK_SIZE + STACK_TOP_MARGIN; - if (regs->sp >= irq_stack_top && regs->sp <= irq_stack_bottom) - return; - -@@ -61,6 +62,8 @@ static inline void stack_overflow_check(struct pt_regs *regs) - irq_stack_top, irq_stack_bottom, - estack_top, estack_bottom); - -+ gr_handle_kernel_exploit(); -+ - if (sysctl_panic_on_stackoverflow) - panic("low stack detected by irq handler - check messages\n"); - #endif -diff --git a/arch/x86/kernel/jump_label.c b/arch/x86/kernel/jump_label.c -index fc25f69..d31d60c 100644 ---- a/arch/x86/kernel/jump_label.c -+++ b/arch/x86/kernel/jump_label.c -@@ -32,6 +32,8 @@ static void bug_at(unsigned char *ip, int line) - * Something went wrong. Crash the box, as something could be - * corrupting the kernel. - */ -+ ip = (unsigned char *)ktla_ktva((unsigned long)ip); -+ pr_warning("Unexpected op at %pS [%p] %s:%d\n", ip, ip, __FILE__, line); - pr_warning("Unexpected op at %pS [%p] (%02x %02x %02x %02x %02x) %s:%d\n", - ip, ip, ip[0], ip[1], ip[2], ip[3], ip[4], __FILE__, line); - BUG(); -@@ -52,7 +54,7 @@ static void __jump_label_transform(struct jump_entry *entry, - * Jump label is enabled for the first time. - * So we expect a default_nop... - */ -- if (unlikely(memcmp((void *)entry->code, default_nop, 5) -+ if (unlikely(memcmp((void *)ktla_ktva(entry->code), default_nop, 5) - != 0)) - bug_at((void *)entry->code, __LINE__); - } else { -@@ -60,7 +62,7 @@ static void __jump_label_transform(struct jump_entry *entry, - * ...otherwise expect an ideal_nop. Otherwise - * something went horribly wrong. - */ -- if (unlikely(memcmp((void *)entry->code, ideal_nop, 5) -+ if (unlikely(memcmp((void *)ktla_ktva(entry->code), ideal_nop, 5) - != 0)) - bug_at((void *)entry->code, __LINE__); - } -@@ -76,13 +78,13 @@ static void __jump_label_transform(struct jump_entry *entry, - * are converting the default nop to the ideal nop. - */ - if (init) { -- if (unlikely(memcmp((void *)entry->code, default_nop, 5) != 0)) -+ if (unlikely(memcmp((void *)ktla_ktva(entry->code), default_nop, 5) != 0)) - bug_at((void *)entry->code, __LINE__); - } else { - code.jump = 0xe9; - code.offset = entry->target - - (entry->code + JUMP_LABEL_NOP_SIZE); -- if (unlikely(memcmp((void *)entry->code, &code, 5) != 0)) -+ if (unlikely(memcmp((void *)ktla_ktva(entry->code), &code, 5) != 0)) - bug_at((void *)entry->code, __LINE__); - } - memcpy(&code, ideal_nops[NOP_ATOMIC5], JUMP_LABEL_NOP_SIZE); -diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c -index 8e36f24..dd9064b 100644 ---- a/arch/x86/kernel/kgdb.c -+++ b/arch/x86/kernel/kgdb.c -@@ -229,7 +229,10 @@ static void kgdb_correct_hw_break(void) - bp->attr.bp_addr = breakinfo[breakno].addr; - bp->attr.bp_len = breakinfo[breakno].len; - bp->attr.bp_type = breakinfo[breakno].type; -- info->address = breakinfo[breakno].addr; -+ if (breakinfo[breakno].type == X86_BREAKPOINT_EXECUTE) -+ info->address = ktla_ktva(breakinfo[breakno].addr); -+ else -+ info->address = breakinfo[breakno].addr; - info->len = breakinfo[breakno].len; - info->type = breakinfo[breakno].type; - val = arch_install_hw_breakpoint(bp); -@@ -476,12 +479,12 @@ int kgdb_arch_handle_exception(int e_vector, int signo, int err_code, - case 'k': - /* clear the trace bit */ - linux_regs->flags &= ~X86_EFLAGS_TF; -- atomic_set(&kgdb_cpu_doing_single_step, -1); -+ atomic_set_unchecked(&kgdb_cpu_doing_single_step, -1); - - /* set the trace bit if we're stepping */ - if (remcomInBuffer[0] == 's') { - linux_regs->flags |= X86_EFLAGS_TF; -- atomic_set(&kgdb_cpu_doing_single_step, -+ atomic_set_unchecked(&kgdb_cpu_doing_single_step, - raw_smp_processor_id()); - } - -@@ -551,7 +554,7 @@ static int __kgdb_notify(struct die_args *args, unsigned long cmd) - - switch (cmd) { - case DIE_DEBUG: -- if (atomic_read(&kgdb_cpu_doing_single_step) != -1) { -+ if (atomic_read_unchecked(&kgdb_cpu_doing_single_step) != -1) { - if (user_mode(regs)) - return single_step_cont(regs, args); - break; -@@ -754,11 +757,11 @@ int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt) - char opc[BREAK_INSTR_SIZE]; - - bpt->type = BP_BREAKPOINT; -- err = probe_kernel_read(bpt->saved_instr, (char *)bpt->bpt_addr, -+ err = probe_kernel_read(bpt->saved_instr, (const void *)ktla_ktva(bpt->bpt_addr), - BREAK_INSTR_SIZE); - if (err) - return err; -- err = probe_kernel_write((char *)bpt->bpt_addr, -+ err = probe_kernel_write((void *)ktla_ktva(bpt->bpt_addr), - arch_kgdb_ops.gdb_bpt_instr, BREAK_INSTR_SIZE); - if (!err) - return err; -@@ -770,7 +773,7 @@ int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt) - return -EBUSY; - text_poke((void *)bpt->bpt_addr, arch_kgdb_ops.gdb_bpt_instr, - BREAK_INSTR_SIZE); -- err = probe_kernel_read(opc, (char *)bpt->bpt_addr, BREAK_INSTR_SIZE); -+ err = probe_kernel_read(opc, (const void *)ktla_ktva(bpt->bpt_addr), BREAK_INSTR_SIZE); - if (err) - return err; - if (memcmp(opc, arch_kgdb_ops.gdb_bpt_instr, BREAK_INSTR_SIZE)) -@@ -794,13 +797,13 @@ int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt) - if (mutex_is_locked(&text_mutex)) - goto knl_write; - text_poke((void *)bpt->bpt_addr, bpt->saved_instr, BREAK_INSTR_SIZE); -- err = probe_kernel_read(opc, (char *)bpt->bpt_addr, BREAK_INSTR_SIZE); -+ err = probe_kernel_read(opc, (const void *)ktla_ktva(bpt->bpt_addr), BREAK_INSTR_SIZE); - if (err || memcmp(opc, bpt->saved_instr, BREAK_INSTR_SIZE)) - goto knl_write; - return err; - - knl_write: -- return probe_kernel_write((char *)bpt->bpt_addr, -+ return probe_kernel_write((void *)ktla_ktva(bpt->bpt_addr), - (char *)bpt->saved_instr, BREAK_INSTR_SIZE); - } - -diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c -index d9d8d16..139e5a0 100644 ---- a/arch/x86/kernel/kprobes/core.c -+++ b/arch/x86/kernel/kprobes/core.c -@@ -123,9 +123,12 @@ __synthesize_relative_insn(void *from, void *to, u8 op) - s32 raddr; - } __packed *insn; - -- insn = (struct __arch_relative_insn *)from; -+ insn = (struct __arch_relative_insn *)ktla_ktva((unsigned long)from); -+ -+ pax_open_kernel(); - insn->raddr = (s32)((long)(to) - ((long)(from) + 5)); - insn->op = op; -+ pax_close_kernel(); - } - - /* Insert a jump instruction at address 'from', which jumps to address 'to'.*/ -@@ -171,7 +174,7 @@ int can_boost(kprobe_opcode_t *opcodes) - kprobe_opcode_t opcode; - kprobe_opcode_t *orig_opcodes = opcodes; - -- if (search_exception_tables((unsigned long)opcodes)) -+ if (search_exception_tables(ktva_ktla((unsigned long)opcodes))) - return 0; /* Page fault may occur on this address. */ - - retry: -@@ -263,12 +266,12 @@ __recover_probed_insn(kprobe_opcode_t *buf, unsigned long addr) - * Fortunately, we know that the original code is the ideal 5-byte - * long NOP. - */ -- memcpy(buf, (void *)addr, MAX_INSN_SIZE * sizeof(kprobe_opcode_t)); -+ memcpy(buf, (void *)ktla_ktva(addr), MAX_INSN_SIZE * sizeof(kprobe_opcode_t)); - if (faddr) - memcpy(buf, ideal_nops[NOP_ATOMIC5], 5); - else - buf[0] = kp->opcode; -- return (unsigned long)buf; -+ return ktva_ktla((unsigned long)buf); - } - - /* -@@ -370,7 +373,9 @@ int __copy_instruction(u8 *dest, u8 *src) - /* Another subsystem puts a breakpoint, failed to recover */ - if (insn.opcode.bytes[0] == BREAKPOINT_INSTRUCTION) - return 0; -+ pax_open_kernel(); - memcpy(dest, insn.kaddr, length); -+ pax_close_kernel(); - - #ifdef CONFIG_X86_64 - if (insn_rip_relative(&insn)) { -@@ -397,7 +402,9 @@ int __copy_instruction(u8 *dest, u8 *src) - return 0; - } - disp = (u8 *) dest + insn_offset_displacement(&insn); -+ pax_open_kernel(); - *(s32 *) disp = (s32) newdisp; -+ pax_close_kernel(); - } - #endif - return length; -@@ -512,6 +519,7 @@ static nokprobe_inline void restore_btf(void) - } - } - -+#ifdef CONFIG_KRETPROBES - void arch_prepare_kretprobe(struct kretprobe_instance *ri, struct pt_regs *regs) - { - unsigned long *sara = stack_addr(regs); -@@ -522,6 +530,7 @@ void arch_prepare_kretprobe(struct kretprobe_instance *ri, struct pt_regs *regs) - *sara = (unsigned long) &kretprobe_trampoline; - } - NOKPROBE_SYMBOL(arch_prepare_kretprobe); -+#endif - - static void setup_singlestep(struct kprobe *p, struct pt_regs *regs, - struct kprobe_ctlblk *kcb, int reenter) -@@ -539,7 +548,7 @@ static void setup_singlestep(struct kprobe *p, struct pt_regs *regs, - * nor set current_kprobe, because it doesn't use single - * stepping. - */ -- regs->ip = (unsigned long)p->ainsn.insn; -+ regs->ip = ktva_ktla((unsigned long)p->ainsn.insn); - preempt_enable_no_resched(); - return; - } -@@ -556,9 +565,9 @@ static void setup_singlestep(struct kprobe *p, struct pt_regs *regs, - regs->flags &= ~X86_EFLAGS_IF; - /* single step inline if the instruction is an int3 */ - if (p->opcode == BREAKPOINT_INSTRUCTION) -- regs->ip = (unsigned long)p->addr; -+ regs->ip = ktla_ktva((unsigned long)p->addr); - else -- regs->ip = (unsigned long)p->ainsn.insn; -+ regs->ip = ktva_ktla((unsigned long)p->ainsn.insn); - } - NOKPROBE_SYMBOL(setup_singlestep); - -@@ -643,7 +652,7 @@ int kprobe_int3_handler(struct pt_regs *regs) - setup_singlestep(p, regs, kcb, 0); - return 1; - } -- } else if (*addr != BREAKPOINT_INSTRUCTION) { -+ } else if (*(kprobe_opcode_t *)ktla_ktva((unsigned long)addr) != BREAKPOINT_INSTRUCTION) { - /* - * The breakpoint instruction was removed right - * after we hit it. Another cpu has removed -@@ -677,6 +686,9 @@ NOKPROBE_SYMBOL(kprobe_int3_handler); - asm( - ".global kretprobe_trampoline\n" - ".type kretprobe_trampoline, @function\n" -+#ifdef CONFIG_PAX_RAP -+ ".quad __rap_hash_ret_kretprobe_trampoline\n" -+#endif - "kretprobe_trampoline:\n" - #ifdef CONFIG_X86_64 - /* We don't bother saving the ss register */ -@@ -684,16 +696,19 @@ asm( - " pushfq\n" - SAVE_REGS_STRING - " movq %rsp, %rdi\n" -- " call trampoline_handler\n" -+ " "PAX_DIRECT_CALL("trampoline_handler") "\n" - /* Replace saved sp with true return address. */ - " movq %rax, 152(%rsp)\n" - RESTORE_REGS_STRING - " popfq\n" -+#ifdef KERNEXEC_PLUGIN -+ " btsq $63,(%rsp)\n" -+#endif - #else - " pushf\n" - SAVE_REGS_STRING - " movl %esp, %eax\n" -- " call trampoline_handler\n" -+ " "PAX_DIRECT_CALL("trampoline_handler") "\n" - /* Move flags to cs */ - " movl 56(%esp), %edx\n" - " movl %edx, 52(%esp)\n" -@@ -830,7 +845,7 @@ static void resume_execution(struct kprobe *p, struct pt_regs *regs, - struct kprobe_ctlblk *kcb) - { - unsigned long *tos = stack_addr(regs); -- unsigned long copy_ip = (unsigned long)p->ainsn.insn; -+ unsigned long copy_ip = ktva_ktla((unsigned long)p->ainsn.insn); - unsigned long orig_ip = (unsigned long)p->addr; - kprobe_opcode_t *insn = p->ainsn.insn; - -@@ -1144,7 +1159,9 @@ int __init arch_init_kprobes(void) - return 0; - } - -+#ifdef CONFIG_KRETPROBES - int arch_trampoline_kprobe(struct kprobe *p) - { - return 0; - } -+#endif -diff --git a/arch/x86/kernel/kprobes/opt.c b/arch/x86/kernel/kprobes/opt.c -index 3bb4c5f..657db4e 100644 ---- a/arch/x86/kernel/kprobes/opt.c -+++ b/arch/x86/kernel/kprobes/opt.c -@@ -80,6 +80,7 @@ unsigned long __recover_optprobed_insn(kprobe_opcode_t *buf, unsigned long addr) - /* Insert a move instruction which sets a pointer to eax/rdi (1st arg). */ - static void synthesize_set_arg1(kprobe_opcode_t *addr, unsigned long val) - { -+ pax_open_kernel(); - #ifdef CONFIG_X86_64 - *addr++ = 0x48; - *addr++ = 0xbf; -@@ -87,6 +88,7 @@ static void synthesize_set_arg1(kprobe_opcode_t *addr, unsigned long val) - *addr++ = 0xb8; - #endif - *(unsigned long *)addr = val; -+ pax_close_kernel(); - } - - asm ( -@@ -343,7 +345,7 @@ int arch_prepare_optimized_kprobe(struct optimized_kprobe *op, - * Verify if the address gap is in 2GB range, because this uses - * a relative jump. - */ -- rel = (long)op->optinsn.insn - (long)op->kp.addr + RELATIVEJUMP_SIZE; -+ rel = (long)op->optinsn.insn - ktla_ktva((long)op->kp.addr) + RELATIVEJUMP_SIZE; - if (abs(rel) > 0x7fffffff) { - __arch_remove_optimized_kprobe(op, 0); - return -ERANGE; -@@ -360,16 +362,18 @@ int arch_prepare_optimized_kprobe(struct optimized_kprobe *op, - op->optinsn.size = ret; - - /* Copy arch-dep-instance from template */ -- memcpy(buf, &optprobe_template_entry, TMPL_END_IDX); -+ pax_open_kernel(); -+ memcpy(buf, (u8 *)ktla_ktva((unsigned long)&optprobe_template_entry), TMPL_END_IDX); -+ pax_close_kernel(); - - /* Set probe information */ - synthesize_set_arg1(buf + TMPL_MOVE_IDX, (unsigned long)op); - - /* Set probe function call */ -- synthesize_relcall(buf + TMPL_CALL_IDX, optimized_callback); -+ synthesize_relcall((u8 *)ktva_ktla((unsigned long)buf) + TMPL_CALL_IDX, optimized_callback); - - /* Set returning jmp instruction at the tail of out-of-line buffer */ -- synthesize_reljump(buf + TMPL_END_IDX + op->optinsn.size, -+ synthesize_reljump((u8 *)ktva_ktla((unsigned long)buf) + TMPL_END_IDX + op->optinsn.size, - (u8 *)op->kp.addr + op->optinsn.size); - - flush_icache_range((unsigned long) buf, -@@ -394,7 +398,7 @@ void arch_optimize_kprobes(struct list_head *oplist) - WARN_ON(kprobe_disabled(&op->kp)); - - /* Backup instructions which will be replaced by jump address */ -- memcpy(op->optinsn.copied_insn, op->kp.addr + INT3_SIZE, -+ memcpy(op->optinsn.copied_insn, (u8 *)ktla_ktva((unsigned long)op->kp.addr) + INT3_SIZE, - RELATIVE_ADDR_SIZE); - - insn_buf[0] = RELATIVEJUMP_OPCODE; -@@ -442,7 +446,7 @@ int setup_detour_execution(struct kprobe *p, struct pt_regs *regs, int reenter) - /* This kprobe is really able to run optimized path. */ - op = container_of(p, struct optimized_kprobe, kp); - /* Detour through copied instructions */ -- regs->ip = (unsigned long)op->optinsn.insn + TMPL_END_IDX; -+ regs->ip = ktva_ktla((unsigned long)op->optinsn.insn) + TMPL_END_IDX; - if (!reenter) - reset_current_kprobe(); - preempt_enable_no_resched(); -diff --git a/arch/x86/kernel/ksysfs.c b/arch/x86/kernel/ksysfs.c -index 4afc67f..f00d132 100644 ---- a/arch/x86/kernel/ksysfs.c -+++ b/arch/x86/kernel/ksysfs.c -@@ -184,7 +184,7 @@ static ssize_t setup_data_data_read(struct file *fp, - - static struct kobj_attribute type_attr = __ATTR_RO(type); - --static struct bin_attribute data_attr __ro_after_init = { -+static bin_attribute_no_const data_attr __ro_after_init = { - .attr = { - .name = "data", - .mode = S_IRUGO, -diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c -index edbbfc8..d4d75ef 100644 ---- a/arch/x86/kernel/kvm.c -+++ b/arch/x86/kernel/kvm.c -@@ -533,7 +533,7 @@ static uint32_t __init kvm_detect(void) - return kvm_cpuid_base(); - } - --const struct hypervisor_x86 x86_hyper_kvm __refconst = { -+const struct hypervisor_x86 x86_hyper_kvm = { - .name = "KVM", - .detect = kvm_detect, - .x2apic_available = kvm_para_available, -@@ -604,10 +604,12 @@ void __init kvm_spinlock_init(void) - return; - - __pv_init_lock_hash(); -+ pax_open_kernel(); - pv_lock_ops.queued_spin_lock_slowpath = __pv_queued_spin_lock_slowpath; -- pv_lock_ops.queued_spin_unlock = PV_CALLEE_SAVE(__pv_queued_spin_unlock); -+ pv_lock_ops.queued_spin_unlock = PV_CALLEE_SAVE(queued_spin_unlock, __pv_queued_spin_unlock); - pv_lock_ops.wait = kvm_wait; - pv_lock_ops.kick = kvm_kick_cpu; -+ pax_close_kernel(); - } - - static __init int kvm_spinlock_init_jump(void) -diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c -index 60b9949..5b52343 100644 ---- a/arch/x86/kernel/kvmclock.c -+++ b/arch/x86/kernel/kvmclock.c -@@ -42,7 +42,7 @@ static int parse_no_kvmclock(char *arg) - early_param("no-kvmclock", parse_no_kvmclock); - - /* The hypervisor will put information about time periodically here */ --static struct pvclock_vsyscall_time_info *hv_clock; -+static struct pvclock_vsyscall_time_info hv_clock[NR_CPUS] __page_aligned_bss; - static struct pvclock_wall_clock wall_clock; - - struct pvclock_vsyscall_time_info *pvclock_pvti_cpu0_va(void) -@@ -161,7 +161,7 @@ bool kvm_check_and_clear_guest_paused(void) - struct pvclock_vcpu_time_info *src; - int cpu = smp_processor_id(); - -- if (!hv_clock) -+ if (!kvmclock) - return ret; - - src = &hv_clock[cpu].pvti; -@@ -188,7 +188,7 @@ int kvm_register_clock(char *txt) - int low, high, ret; - struct pvclock_vcpu_time_info *src; - -- if (!hv_clock) -+ if (!kvmclock) - return 0; - - src = &hv_clock[cpu].pvti; -@@ -248,7 +248,6 @@ static void kvm_shutdown(void) - void __init kvmclock_init(void) - { - struct pvclock_vcpu_time_info *vcpu_time; -- unsigned long mem; - int size, cpu; - u8 flags; - -@@ -266,15 +265,8 @@ void __init kvmclock_init(void) - printk(KERN_INFO "kvm-clock: Using msrs %x and %x", - msr_kvm_system_time, msr_kvm_wall_clock); - -- mem = memblock_alloc(size, PAGE_SIZE); -- if (!mem) -- return; -- hv_clock = __va(mem); -- memset(hv_clock, 0, size); -- - if (kvm_register_clock("primary cpu clock")) { -- hv_clock = NULL; -- memblock_free(mem, size); -+ kvmclock = 0; - return; - } - -@@ -315,7 +307,7 @@ int __init kvm_setup_vsyscall_timeinfo(void) - struct pvclock_vcpu_time_info *vcpu_time; - unsigned int size; - -- if (!hv_clock) -+ if (!kvmclock) - return 0; - - size = PAGE_ALIGN(sizeof(struct pvclock_vsyscall_time_info)*NR_CPUS); -diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c -index 6707039..cf64791 100644 ---- a/arch/x86/kernel/ldt.c -+++ b/arch/x86/kernel/ldt.c -@@ -11,16 +11,26 @@ - #include - #include - #include -+#include - #include - #include - #include - #include -+#include - - #include - #include - #include - #include - -+#ifdef CONFIG_GRKERNSEC -+int sysctl_modify_ldt __read_only = 0; -+#elif defined(CONFIG_DEFAULT_MODIFY_LDT_SYSCALL) -+int sysctl_modify_ldt __read_only = 1; -+#else -+int sysctl_modify_ldt __read_only = 0; -+#endif -+ - /* context.lock is held for us, so we don't need any locking. */ - static void flush_ldt(void *current_mm) - { -@@ -109,6 +119,23 @@ int init_new_context_ldt(struct task_struct *tsk, struct mm_struct *mm) - struct mm_struct *old_mm; - int retval = 0; - -+ if (tsk == current) { -+ mm->context.vdso = 0; -+ -+#ifdef CONFIG_X86_32 -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ mm->context.user_cs_base = 0UL; -+ mm->context.user_cs_limit = ~0UL; -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP) -+ cpumask_clear(&mm->context.cpu_user_cs_mask); -+#endif -+ -+#endif -+#endif -+ -+ } -+ - mutex_init(&mm->context.lock); - old_mm = current->mm; - if (!old_mm) { -@@ -235,6 +262,14 @@ static int write_ldt(void __user *ptr, unsigned long bytecount, int oldmode) - /* The user wants to clear the entry. */ - memset(&ldt, 0, sizeof(ldt)); - } else { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (ldt_info.contents & MODIFY_LDT_CONTENTS_CODE)) { -+ error = -EINVAL; -+ goto out; -+ } -+#endif -+ - if (!IS_ENABLED(CONFIG_X86_16BIT) && !ldt_info.seg_32bit) { - error = -EINVAL; - goto out; -@@ -271,11 +306,19 @@ static int write_ldt(void __user *ptr, unsigned long bytecount, int oldmode) - return error; - } - --asmlinkage int sys_modify_ldt(int func, void __user *ptr, -- unsigned long bytecount) -+SYSCALL_DEFINE3(modify_ldt, int, func, void __user *, ptr, unsigned long, bytecount) - { - int ret = -ENOSYS; - -+ if (!sysctl_modify_ldt) { -+ printk_ratelimited(KERN_INFO -+ "Denied a call to modify_ldt() from %s[%d] (uid: %d)." -+ " Adjust sysctl if this was not an exploit attempt.\n", -+ current->comm, task_pid_nr(current), -+ from_kuid_munged(current_user_ns(), current_uid())); -+ return ret; -+ } -+ - switch (func) { - case 0: - ret = read_ldt(ptr, bytecount); -diff --git a/arch/x86/kernel/machine_kexec_32.c b/arch/x86/kernel/machine_kexec_32.c -index 469b23d..5449cfe 100644 ---- a/arch/x86/kernel/machine_kexec_32.c -+++ b/arch/x86/kernel/machine_kexec_32.c -@@ -26,7 +26,7 @@ - #include - #include - --static void set_idt(void *newidt, __u16 limit) -+static void set_idt(struct desc_struct *newidt, __u16 limit) - { - struct desc_ptr curidt; - -@@ -38,7 +38,7 @@ static void set_idt(void *newidt, __u16 limit) - } - - --static void set_gdt(void *newgdt, __u16 limit) -+static void set_gdt(struct desc_struct *newgdt, __u16 limit) - { - struct desc_ptr curgdt; - -@@ -216,7 +216,7 @@ void machine_kexec(struct kimage *image) - } - - control_page = page_address(image->control_code_page); -- memcpy(control_page, relocate_kernel, KEXEC_CONTROL_CODE_MAX_SIZE); -+ memcpy(control_page, (void *)ktla_ktva((unsigned long)relocate_kernel), KEXEC_CONTROL_CODE_MAX_SIZE); - - relocate_kernel_ptr = control_page; - page_list[PA_CONTROL_PAGE] = __pa(control_page); -diff --git a/arch/x86/kernel/mcount_64.S b/arch/x86/kernel/mcount_64.S -index 7b0d3da..e4ff6df 100644 ---- a/arch/x86/kernel/mcount_64.S -+++ b/arch/x86/kernel/mcount_64.S -@@ -8,7 +8,7 @@ - #include - #include - #include -- -+#include - - .code64 - .section .entry.text, "ax" -@@ -151,8 +151,8 @@ EXPORT_SYMBOL(mcount) - #ifdef CONFIG_DYNAMIC_FTRACE - - ENTRY(function_hook) -- retq --END(function_hook) -+ pax_ret mcount -+ENDPROC(function_hook) - - ENTRY(ftrace_caller) - /* save_mcount_regs fills in first two parameters */ -@@ -165,8 +165,7 @@ GLOBAL(ftrace_caller_op_ptr) - /* regs go into 4th parameter (but make it NULL) */ - movq $0, %rcx - --GLOBAL(ftrace_call) -- call ftrace_stub -+ pax_direct_call_global ftrace_stub ftrace_call - - restore_mcount_regs - -@@ -182,13 +181,13 @@ GLOBAL(ftrace_epilogue) - - #ifdef CONFIG_FUNCTION_GRAPH_TRACER - GLOBAL(ftrace_graph_call) -+#endif - jmp ftrace_stub --#endif - - /* This is weak to keep gas from relaxing the jumps */ --WEAK(ftrace_stub) -- retq --END(ftrace_caller) -+RAP_WEAK(ftrace_stub) -+ pax_ret ftrace_stub -+ENDPROC(ftrace_caller) - - ENTRY(ftrace_regs_caller) - /* Save the current flags before any operations that can change them */ -@@ -225,8 +224,7 @@ GLOBAL(ftrace_regs_caller_op_ptr) - /* regs go into 4th parameter */ - leaq (%rsp), %rcx - --GLOBAL(ftrace_regs_call) -- call ftrace_stub -+ pax_direct_call_global ftrace_stub ftrace_regs_call - - /* Copy flags back to SS, to restore them */ - movq EFLAGS(%rsp), %rax -@@ -259,7 +257,7 @@ GLOBAL(ftrace_regs_caller_end) - - jmp ftrace_epilogue - --END(ftrace_regs_caller) -+ENDPROC(ftrace_regs_caller) - - - #else /* ! CONFIG_DYNAMIC_FTRACE */ -@@ -278,7 +276,7 @@ fgraph_trace: - #endif - - GLOBAL(ftrace_stub) -- retq -+ pax_ret ftrace_stub - - trace: - /* save_mcount_regs fills in first two parameters */ -@@ -290,12 +288,13 @@ trace: - * ip and parent ip are used and the list function is called when - * function tracing is enabled. - */ -- call *ftrace_trace_function -+ pax_force_fptr ftrace_trace_function -+ pax_indirect_call "ftrace_trace_function", ftrace_stub - - restore_mcount_regs - - jmp fgraph_trace --END(function_hook) -+ENDPROC(function_hook) - #endif /* CONFIG_DYNAMIC_FTRACE */ - #endif /* CONFIG_FUNCTION_TRACER */ - -@@ -313,13 +312,14 @@ ENTRY(ftrace_graph_caller) - /* ftrace does sanity checks against frame pointers */ - movq (%rdx), %rdx - #endif -- call prepare_ftrace_return -+ pax_direct_call prepare_ftrace_return - - restore_mcount_regs - -- retq --END(ftrace_graph_caller) -+ pax_ret ftrace_graph_caller -+ENDPROC(ftrace_graph_caller) - -+ pax_retloc return_to_handler - GLOBAL(return_to_handler) - subq $24, %rsp - -@@ -328,11 +328,13 @@ GLOBAL(return_to_handler) - movq %rdx, 8(%rsp) - movq %rbp, %rdi - -- call ftrace_return_to_handler -+ pax_direct_call ftrace_return_to_handler - - movq %rax, %rdi - movq 8(%rsp), %rdx - movq (%rsp), %rax - addq $24, %rsp -+ pax_force_fptr %rdi - jmp *%rdi -+ENDPROC(return_to_handler) - #endif -diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c -index 477ae80..a280c67 100644 ---- a/arch/x86/kernel/module.c -+++ b/arch/x86/kernel/module.c -@@ -76,17 +76,17 @@ static unsigned long int get_module_load_offset(void) - } - #endif - --void *module_alloc(unsigned long size) -+static inline void *__module_alloc(unsigned long size, pgprot_t prot) - { - void *p; - -- if (PAGE_ALIGN(size) > MODULES_LEN) -+ if (!size || PAGE_ALIGN(size) > MODULES_LEN) - return NULL; - - p = __vmalloc_node_range(size, MODULE_ALIGN, - MODULES_VADDR + get_module_load_offset(), -- MODULES_END, GFP_KERNEL | __GFP_HIGHMEM, -- PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE, -+ MODULES_END, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, -+ prot, 0, NUMA_NO_NODE, - __builtin_return_address(0)); - if (p && (kasan_module_alloc(p, size) < 0)) { - vfree(p); -@@ -96,6 +96,51 @@ void *module_alloc(unsigned long size) - return p; - } - -+void *module_alloc(unsigned long size) -+{ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ return __module_alloc(size, PAGE_KERNEL); -+#else -+ return __module_alloc(size, PAGE_KERNEL_EXEC); -+#endif -+ -+} -+ -+#ifdef CONFIG_PAX_KERNEXEC -+#ifdef CONFIG_X86_32 -+void *module_alloc_exec(unsigned long size) -+{ -+ struct vm_struct *area; -+ -+ if (size == 0) -+ return NULL; -+ -+ area = __get_vm_area(size, VM_ALLOC, (unsigned long)&MODULES_EXEC_VADDR, (unsigned long)&MODULES_EXEC_END); -+ return area ? area->addr : NULL; -+} -+EXPORT_SYMBOL(module_alloc_exec); -+ -+void module_memfree_exec(void *module_region) -+{ -+ vunmap(module_region); -+} -+EXPORT_SYMBOL(module_memfree_exec); -+#else -+void module_memfree_exec(void *module_region) -+{ -+ module_memfree(module_region); -+} -+EXPORT_SYMBOL(module_memfree_exec); -+ -+void *module_alloc_exec(unsigned long size) -+{ -+ return __module_alloc(size, PAGE_KERNEL_RX); -+} -+EXPORT_SYMBOL(module_alloc_exec); -+#endif -+#endif -+ - #ifdef CONFIG_X86_32 - int apply_relocate(Elf32_Shdr *sechdrs, - const char *strtab, -@@ -106,14 +151,16 @@ int apply_relocate(Elf32_Shdr *sechdrs, - unsigned int i; - Elf32_Rel *rel = (void *)sechdrs[relsec].sh_addr; - Elf32_Sym *sym; -- uint32_t *location; -+ uint32_t *plocation, location; - - DEBUGP("Applying relocate section %u to %u\n", - relsec, sechdrs[relsec].sh_info); - for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) { - /* This is where to make the change */ -- location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr -- + rel[i].r_offset; -+ plocation = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr + rel[i].r_offset; -+ location = (uint32_t)plocation; -+ if (sechdrs[sechdrs[relsec].sh_info].sh_flags & SHF_EXECINSTR) -+ plocation = (uint32_t *)ktla_ktva((unsigned long)plocation); - /* This is the symbol it is referring to. Note that all - undefined symbols have been resolved. */ - sym = (Elf32_Sym *)sechdrs[symindex].sh_addr -@@ -122,11 +169,15 @@ int apply_relocate(Elf32_Shdr *sechdrs, - switch (ELF32_R_TYPE(rel[i].r_info)) { - case R_386_32: - /* We add the value into the location given */ -- *location += sym->st_value; -+ pax_open_kernel(); -+ *plocation += sym->st_value; -+ pax_close_kernel(); - break; - case R_386_PC32: - /* Add the value, subtract its position */ -- *location += sym->st_value - (uint32_t)location; -+ pax_open_kernel(); -+ *plocation += sym->st_value - location; -+ pax_close_kernel(); - break; - default: - pr_err("%s: Unknown relocation: %u\n", -@@ -171,21 +222,30 @@ int apply_relocate_add(Elf64_Shdr *sechdrs, - case R_X86_64_NONE: - break; - case R_X86_64_64: -+ pax_open_kernel(); - *(u64 *)loc = val; -+ pax_close_kernel(); - break; - case R_X86_64_32: -+ pax_open_kernel(); - *(u32 *)loc = val; -+ pax_close_kernel(); - if (val != *(u32 *)loc) - goto overflow; - break; - case R_X86_64_32S: -+ pax_open_kernel(); - *(s32 *)loc = val; -+ pax_close_kernel(); - if ((s64)val != *(s32 *)loc) - goto overflow; - break; - case R_X86_64_PC32: - val -= (u64)loc; -+ pax_open_kernel(); - *(u32 *)loc = val; -+ pax_close_kernel(); -+ - #if 0 - if ((s64)val != *(s32 *)loc) - goto overflow; -diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c -index 7f3550a..e535783 100644 ---- a/arch/x86/kernel/msr.c -+++ b/arch/x86/kernel/msr.c -@@ -39,6 +39,7 @@ - #include - #include - #include -+#include - - #include - #include -@@ -83,6 +84,13 @@ static ssize_t msr_write(struct file *file, const char __user *buf, - int err = 0; - ssize_t bytes = 0; - -+#ifdef CONFIG_GRKERNSEC_KMEM -+ if (reg != MSR_IA32_ENERGY_PERF_BIAS) { -+ gr_handle_msr_write(); -+ return -EPERM; -+ } -+#endif -+ - if (count % 8) - return -EINVAL; /* Invalid chunk size */ - -@@ -130,6 +138,10 @@ static long msr_ioctl(struct file *file, unsigned int ioc, unsigned long arg) - err = -EBADF; - break; - } -+#ifdef CONFIG_GRKERNSEC_KMEM -+ gr_handle_msr_write(); -+ return -EPERM; -+#endif - if (copy_from_user(®s, uregs, sizeof regs)) { - err = -EFAULT; - break; -@@ -213,7 +225,7 @@ static int msr_class_cpu_callback(struct notifier_block *nfb, - return notifier_from_errno(err); - } - --static struct notifier_block __refdata msr_class_cpu_notifier = { -+static struct notifier_block msr_class_cpu_notifier = { - .notifier_call = msr_class_cpu_callback, - }; - -diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c -index bfe4d6c..1c3f03c 100644 ---- a/arch/x86/kernel/nmi.c -+++ b/arch/x86/kernel/nmi.c -@@ -101,16 +101,16 @@ fs_initcall(nmi_warning_debugfs); - - static void nmi_max_handler(struct irq_work *w) - { -- struct nmiaction *a = container_of(w, struct nmiaction, irq_work); -+ struct nmiwork *n = container_of(w, struct nmiwork, irq_work); - int remainder_ns, decimal_msecs; -- u64 whole_msecs = ACCESS_ONCE(a->max_duration); -+ u64 whole_msecs = ACCESS_ONCE(n->max_duration); - - remainder_ns = do_div(whole_msecs, (1000 * 1000)); - decimal_msecs = remainder_ns / 1000; - - printk_ratelimited(KERN_INFO - "INFO: NMI handler (%ps) took too long to run: %lld.%03d msecs\n", -- a->handler, whole_msecs, decimal_msecs); -+ n->action->handler, whole_msecs, decimal_msecs); - } - - static int nmi_handle(unsigned int type, struct pt_regs *regs) -@@ -137,11 +137,11 @@ static int nmi_handle(unsigned int type, struct pt_regs *regs) - delta = sched_clock() - delta; - trace_nmi_handler(a->handler, (int)delta, thishandled); - -- if (delta < nmi_longest_ns || delta < a->max_duration) -+ if (delta < nmi_longest_ns || delta < a->work->max_duration) - continue; - -- a->max_duration = delta; -- irq_work_queue(&a->irq_work); -+ a->work->max_duration = delta; -+ irq_work_queue(&a->work->irq_work); - } - - rcu_read_unlock(); -@@ -151,7 +151,7 @@ static int nmi_handle(unsigned int type, struct pt_regs *regs) - } - NOKPROBE_SYMBOL(nmi_handle); - --int __register_nmi_handler(unsigned int type, struct nmiaction *action) -+int __register_nmi_handler(unsigned int type, const struct nmiaction *action) - { - struct nmi_desc *desc = nmi_to_desc(type); - unsigned long flags; -@@ -159,7 +159,8 @@ int __register_nmi_handler(unsigned int type, struct nmiaction *action) - if (!action->handler) - return -EINVAL; - -- init_irq_work(&action->irq_work, nmi_max_handler); -+ action->work->action = action; -+ init_irq_work(&action->work->irq_work, nmi_max_handler); - - spin_lock_irqsave(&desc->lock, flags); - -@@ -177,9 +178,9 @@ int __register_nmi_handler(unsigned int type, struct nmiaction *action) - * event confuses some handlers (kdump uses this flag) - */ - if (action->flags & NMI_FLAG_FIRST) -- list_add_rcu(&action->list, &desc->head); -+ pax_list_add_rcu((struct list_head *)&action->list, &desc->head); - else -- list_add_tail_rcu(&action->list, &desc->head); -+ pax_list_add_tail_rcu((struct list_head *)&action->list, &desc->head); - - spin_unlock_irqrestore(&desc->lock, flags); - return 0; -@@ -202,7 +203,7 @@ void unregister_nmi_handler(unsigned int type, const char *name) - if (!strcmp(n->name, name)) { - WARN(in_nmi(), - "Trying to free NMI (%s) from NMI context!\n", n->name); -- list_del_rcu(&n->list); -+ pax_list_del_rcu((struct list_head *)&n->list); - break; - } - } -@@ -503,6 +504,17 @@ static DEFINE_PER_CPU(int, update_debug_stack); - dotraplinkage notrace void - do_nmi(struct pt_regs *regs, long error_code) - { -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (!user_mode(regs)) { -+ unsigned long cs = regs->cs & 0xFFFF; -+ unsigned long ip = ktva_ktla(regs->ip); -+ -+ if ((cs == __KERNEL_CS || cs == __KERNEXEC_KERNEL_CS) && ip <= (unsigned long)_etext) -+ regs->ip = ip; -+ } -+#endif -+ - if (this_cpu_read(nmi_state) != NMI_NOT_RUNNING) { - this_cpu_write(nmi_state, NMI_LATCHED); - return; -diff --git a/arch/x86/kernel/nmi_selftest.c b/arch/x86/kernel/nmi_selftest.c -index 6d9582e..f746287 100644 ---- a/arch/x86/kernel/nmi_selftest.c -+++ b/arch/x86/kernel/nmi_selftest.c -@@ -43,7 +43,7 @@ static void __init init_nmi_testsuite(void) - { - /* trap all the unknown NMIs we may generate */ - register_nmi_handler(NMI_UNKNOWN, nmi_unk_cb, 0, "nmi_selftest_unk", -- __initdata); -+ __initconst); - } - - static void __init cleanup_nmi_testsuite(void) -@@ -66,7 +66,7 @@ static void __init test_nmi_ipi(struct cpumask *mask) - unsigned long timeout; - - if (register_nmi_handler(NMI_LOCAL, test_nmi_ipi_callback, -- NMI_FLAG_FIRST, "nmi_selftest", __initdata)) { -+ NMI_FLAG_FIRST, "nmi_selftest", __initconst)) { - nmi_fail = FAILURE; - return; - } -diff --git a/arch/x86/kernel/paravirt-spinlocks.c b/arch/x86/kernel/paravirt-spinlocks.c -index 2c55a00..1528b25 100644 ---- a/arch/x86/kernel/paravirt-spinlocks.c -+++ b/arch/x86/kernel/paravirt-spinlocks.c -@@ -17,16 +17,26 @@ PV_CALLEE_SAVE_REGS_THUNK(__native_queued_spin_unlock); - - bool pv_is_native_spin_unlock(void) - { -- return pv_lock_ops.queued_spin_unlock.func == -+ return pv_lock_ops.queued_spin_unlock.queued_spin_unlock == - __raw_callee_save___native_queued_spin_unlock; - } - --struct pv_lock_ops pv_lock_ops = { -+#ifdef CONFIG_SMP -+static void native_wait(u8 *ptr, u8 val) -+{ -+} -+ -+static void native_kick(int cpu) -+{ -+} -+#endif /* SMP */ -+ -+struct pv_lock_ops pv_lock_ops __read_only = { - #ifdef CONFIG_SMP - .queued_spin_lock_slowpath = native_queued_spin_lock_slowpath, -- .queued_spin_unlock = PV_CALLEE_SAVE(__native_queued_spin_unlock), -- .wait = paravirt_nop, -- .kick = paravirt_nop, -+ .queued_spin_unlock = PV_CALLEE_SAVE(queued_spin_unlock, __native_queued_spin_unlock), -+ .wait = native_wait, -+ .kick = native_kick, - #endif /* SMP */ - }; - EXPORT_SYMBOL(pv_lock_ops); -diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c -index bbf3d59..904b637 100644 ---- a/arch/x86/kernel/paravirt.c -+++ b/arch/x86/kernel/paravirt.c -@@ -65,6 +65,9 @@ u64 notrace _paravirt_ident_64(u64 x) - { - return x; - } -+#if defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE) -+PV_CALLEE_SAVE_REGS_THUNK(_paravirt_ident_64); -+#endif - - void __init default_banner(void) - { -@@ -75,17 +78,25 @@ void __init default_banner(void) - /* Undefined instruction for dealing with missing ops pointers. */ - static const unsigned char ud2a[] = { 0x0f, 0x0b }; - --struct branch { -+struct longbranch { - unsigned char opcode; - u32 delta; - } __attribute__((packed)); - -+struct shortbranch { -+ unsigned char opcode; -+ signed char delta; -+}; -+ - unsigned paravirt_patch_call(void *insnbuf, - const void *target, u16 tgt_clobbers, - unsigned long addr, u16 site_clobbers, - unsigned len) - { -- struct branch *b = insnbuf; -+ struct longbranch *b = insnbuf; -+#ifdef CONFIG_PAX_RAP -+ struct shortbranch *hashb = insnbuf; -+#endif - unsigned long delta = (unsigned long)target - (addr+5); - - if (tgt_clobbers & ~site_clobbers) -@@ -93,17 +104,29 @@ unsigned paravirt_patch_call(void *insnbuf, - if (len < 5) - return len; /* call too long for patch site */ - -+#ifdef CONFIG_PAX_RAP -+ if (hashb->opcode != 0xeb) -+ return len; -+ hashb->delta = len - sizeof(*b) - sizeof(*hashb); -+ b = insnbuf + len - sizeof(*b); -+ delta = (unsigned long)target - (addr + len); -+#endif -+ - b->opcode = 0xe8; /* call */ - b->delta = delta; - BUILD_BUG_ON(sizeof(*b) != 5); - -+#ifdef CONFIG_PAX_RAP -+ return len; -+#else - return 5; -+#endif - } - - unsigned paravirt_patch_jmp(void *insnbuf, const void *target, - unsigned long addr, unsigned len) - { -- struct branch *b = insnbuf; -+ struct longbranch *b = insnbuf; - unsigned long delta = (unsigned long)target - (addr+5); - - if (len < 5) -@@ -132,6 +155,38 @@ static void *get_call_destination(u8 type) - return *((void **)&tmpl + type); - } - -+#if (defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE)) || defined(CONFIG_PAX_RAP) -+#if CONFIG_PGTABLE_LEVELS >= 3 -+PV_CALLEE_SAVE_REGS_THUNK(native_pmd_val); -+PV_CALLEE_SAVE_REGS_THUNK(native_make_pmd); -+#if CONFIG_PGTABLE_LEVELS == 4 -+PV_CALLEE_SAVE_REGS_THUNK(native_pud_val); -+PV_CALLEE_SAVE_REGS_THUNK(native_make_pud); -+#endif -+#endif -+PV_CALLEE_SAVE_REGS_THUNK(native_pte_val); -+PV_CALLEE_SAVE_REGS_THUNK(native_pgd_val); -+PV_CALLEE_SAVE_REGS_THUNK(native_make_pte); -+PV_CALLEE_SAVE_REGS_THUNK(native_make_pgd); -+ -+const struct pv_mmu_ops rap_pv_mmu_ops __initconst = { -+#if CONFIG_PGTABLE_LEVELS >= 3 -+ .pmd_val = (union paravirt_callee_save) { .pmd_val = native_pmd_val }, -+ .make_pmd = (union paravirt_callee_save) { .make_pmd = native_make_pmd }, -+ -+#if CONFIG_PGTABLE_LEVELS == 4 -+ .pud_val = (union paravirt_callee_save) { .pud_val = native_pud_val }, -+ .make_pud = (union paravirt_callee_save) { .make_pud = native_make_pud }, -+#endif -+#endif /* CONFIG_PGTABLE_LEVELS >= 3 */ -+ .pte_val = (union paravirt_callee_save) { .pte_val = native_pte_val }, -+ .pgd_val = (union paravirt_callee_save) { .pgd_val = native_pgd_val }, -+ -+ .make_pte = (union paravirt_callee_save) { .make_pte = native_make_pte }, -+ .make_pgd = (union paravirt_callee_save) { .make_pgd = native_make_pgd }, -+}; -+#endif -+ - unsigned paravirt_patch_default(u8 type, u16 clobbers, void *insnbuf, - unsigned long addr, unsigned len) - { -@@ -140,15 +195,49 @@ unsigned paravirt_patch_default(u8 type, u16 clobbers, void *insnbuf, - - if (opfunc == NULL) - /* If there's no function, patch it with a ud2a (BUG) */ -- ret = paravirt_patch_insns(insnbuf, len, ud2a, ud2a+sizeof(ud2a)); -- else if (opfunc == _paravirt_nop) -+ ret = paravirt_patch_insns(insnbuf, len, (const char *)ktva_ktla((unsigned long)ud2a), ud2a+sizeof(ud2a)); -+ else if (opfunc == (void *)_paravirt_nop) - ret = 0; - - /* identity functions just return their single argument */ -- else if (opfunc == _paravirt_ident_32) -+#ifdef CONFIG_PAX_RAP -+ else if ( -+#if CONFIG_PGTABLE_LEVELS >= 3 -+ opfunc == (void *)__raw_callee_save_native_pmd_val || -+ opfunc == (void *)__raw_callee_save_native_make_pmd || -+#if CONFIG_PGTABLE_LEVELS == 4 -+ opfunc == (void *)__raw_callee_save_native_pud_val || -+ opfunc == (void *)__raw_callee_save_native_make_pud || -+#endif -+#endif -+ opfunc == (void *)__raw_callee_save_native_pte_val || -+ opfunc == (void *)__raw_callee_save_native_pgd_val || -+ opfunc == (void *)__raw_callee_save_native_make_pte || -+ opfunc == (void *)__raw_callee_save_native_make_pgd) -+#else -+ else if ( -+#if CONFIG_PGTABLE_LEVELS >= 3 -+ opfunc == (void *)native_pmd_val || -+ opfunc == (void *)native_make_pmd || -+#if CONFIG_PGTABLE_LEVELS == 4 -+ opfunc == (void *)native_pud_val || -+ opfunc == (void *)native_make_pud || -+#endif -+#endif -+ opfunc == (void *)native_pte_val || -+ opfunc == (void *)native_pgd_val || -+ opfunc == (void *)native_make_pte || -+ opfunc == (void *)native_make_pgd) -+#endif -+#ifdef CONFIG_X86_32 -+#ifdef CONFIG_X86_PAE -+ ret = paravirt_patch_ident_64(insnbuf, len); -+#else - ret = paravirt_patch_ident_32(insnbuf, len); -- else if (opfunc == _paravirt_ident_64) -+#endif -+#else - ret = paravirt_patch_ident_64(insnbuf, len); -+#endif - - else if (type == PARAVIRT_PATCH(pv_cpu_ops.iret) || - type == PARAVIRT_PATCH(pv_cpu_ops.usergs_sysret64)) -@@ -171,7 +260,7 @@ unsigned paravirt_patch_insns(void *insnbuf, unsigned len, - if (insn_len > len || start == NULL) - insn_len = len; - else -- memcpy(insnbuf, start, insn_len); -+ memcpy(insnbuf, (const char *)ktla_ktva((unsigned long)start), insn_len); - - return insn_len; - } -@@ -293,7 +382,7 @@ enum paravirt_lazy_mode paravirt_get_lazy_mode(void) - return this_cpu_read(paravirt_lazy_mode); - } - --struct pv_info pv_info = { -+struct pv_info pv_info __read_only = { - .name = "bare hardware", - .kernel_rpl = 0, - .shared_kernel_pmd = 1, /* Only used when CONFIG_X86_PAE is set */ -@@ -303,20 +392,35 @@ struct pv_info pv_info = { - #endif - }; - --struct pv_init_ops pv_init_ops = { -+struct pv_init_ops pv_init_ops __read_only = { - .patch = native_patch, - }; - --struct pv_time_ops pv_time_ops = { -+struct pv_time_ops pv_time_ops __read_only = { - .sched_clock = native_sched_clock, - .steal_clock = native_steal_clock, - }; - --__visible struct pv_irq_ops pv_irq_ops = { -- .save_fl = __PV_IS_CALLEE_SAVE(native_save_fl), -- .restore_fl = __PV_IS_CALLEE_SAVE(native_restore_fl), -- .irq_disable = __PV_IS_CALLEE_SAVE(native_irq_disable), -- .irq_enable = __PV_IS_CALLEE_SAVE(native_irq_enable), -+ -+#ifdef CONFIG_PAX_RAP -+PV_CALLEE_SAVE_REGS_THUNK(native_save_fl); -+PV_CALLEE_SAVE_REGS_THUNK(native_restore_fl); -+PV_CALLEE_SAVE_REGS_THUNK(native_irq_disable); -+PV_CALLEE_SAVE_REGS_THUNK(native_irq_enable); -+ -+const struct pv_irq_ops rap_pv_irq_ops __initconst = { -+ .save_fl = (union paravirt_callee_save) { .save_fl = native_save_fl }, -+ .restore_fl = (union paravirt_callee_save) { .restore_fl = native_restore_fl }, -+ .irq_disable = (union paravirt_callee_save) { .irq_disable = native_irq_disable }, -+ .irq_enable = (union paravirt_callee_save) { .irq_enable = native_irq_enable }, -+}; -+#endif -+ -+__visible struct pv_irq_ops pv_irq_ops __read_only = { -+ .save_fl = __PV_IS_CALLEE_SAVE(save_fl, native_save_fl), -+ .restore_fl = __PV_IS_CALLEE_SAVE(restore_fl, native_restore_fl), -+ .irq_disable = __PV_IS_CALLEE_SAVE(irq_disable, native_irq_disable), -+ .irq_enable = __PV_IS_CALLEE_SAVE(irq_enable, native_irq_enable), - .safe_halt = native_safe_halt, - .halt = native_halt, - #ifdef CONFIG_X86_64 -@@ -324,7 +428,23 @@ __visible struct pv_irq_ops pv_irq_ops = { - #endif - }; - --__visible struct pv_cpu_ops pv_cpu_ops = { -+static void native_alloc_ldt(struct desc_struct *ldt, unsigned entries) -+{ -+} -+ -+static void native_free_ldt(struct desc_struct *ldt, unsigned entries) -+{ -+} -+ -+static void native_start_context_switch(struct task_struct *prev) -+{ -+} -+ -+static void native_end_context_switch(struct task_struct *next) -+{ -+} -+ -+__visible struct pv_cpu_ops pv_cpu_ops __read_only = { - .cpuid = native_cpuid, - .get_debugreg = native_get_debugreg, - .set_debugreg = native_set_debugreg, -@@ -357,8 +477,8 @@ __visible struct pv_cpu_ops pv_cpu_ops = { - .write_gdt_entry = native_write_gdt_entry, - .write_idt_entry = native_write_idt_entry, - -- .alloc_ldt = paravirt_nop, -- .free_ldt = paravirt_nop, -+ .alloc_ldt = native_alloc_ldt, -+ .free_ldt = native_free_ldt, - - .load_sp0 = native_load_sp0, - -@@ -371,8 +491,8 @@ __visible struct pv_cpu_ops pv_cpu_ops = { - .set_iopl_mask = native_set_iopl_mask, - .io_delay = native_io_delay, - -- .start_context_switch = paravirt_nop, -- .end_context_switch = paravirt_nop, -+ .start_context_switch = native_start_context_switch, -+ .end_context_switch = native_end_context_switch, - }; - - /* At this point, native_get/set_debugreg has real function entries */ -@@ -380,14 +500,63 @@ NOKPROBE_SYMBOL(native_get_debugreg); - NOKPROBE_SYMBOL(native_set_debugreg); - NOKPROBE_SYMBOL(native_load_idt); - --#if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE) -+#ifdef CONFIG_X86_32 -+#ifdef CONFIG_X86_PAE -+/* 64-bit pagetable entries */ -+#define PTE_IDENT(field, op) PV_CALLEE_SAVE(field, op) -+#else - /* 32-bit pagetable entries */ --#define PTE_IDENT __PV_IS_CALLEE_SAVE(_paravirt_ident_32) -+#define PTE_IDENT(field, op) __PV_IS_CALLEE_SAVE(field, op) -+#endif - #else - /* 64-bit pagetable entries */ --#define PTE_IDENT __PV_IS_CALLEE_SAVE(_paravirt_ident_64) -+#define PTE_IDENT(field, op) __PV_IS_CALLEE_SAVE(field, op) - #endif - -+static void native_pgd_free(struct mm_struct *mm, pgd_t *pgd) -+{ -+} -+ -+static void native_alloc_pte(struct mm_struct *mm, unsigned long pfn) -+{ -+} -+ -+static void native_alloc_pmd(struct mm_struct *mm, unsigned long pfn) -+{ -+} -+ -+static void native_alloc_pud(struct mm_struct *mm, unsigned long pfn) -+{ -+} -+ -+static void native_release_pte(unsigned long pfn) -+{ -+} -+ -+static void native_release_pmd(unsigned long pfn) -+{ -+} -+ -+static void native_release_pud(unsigned long pfn) -+{ -+} -+ -+static void native_pte_update(struct mm_struct *mm, unsigned long addr, pte_t *ptep) -+{ -+} -+ -+static void native_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm) -+{ -+} -+ -+static void native_exit_mmap(struct mm_struct *mm) -+{ -+} -+ -+static void native_activate_mm(struct mm_struct *prev, struct mm_struct *next) -+{ -+} -+ - struct pv_mmu_ops pv_mmu_ops __ro_after_init = { - - .read_cr2 = native_read_cr2, -@@ -401,20 +570,20 @@ struct pv_mmu_ops pv_mmu_ops __ro_after_init = { - .flush_tlb_others = native_flush_tlb_others, - - .pgd_alloc = __paravirt_pgd_alloc, -- .pgd_free = paravirt_nop, -+ .pgd_free = native_pgd_free, - -- .alloc_pte = paravirt_nop, -- .alloc_pmd = paravirt_nop, -- .alloc_pud = paravirt_nop, -- .release_pte = paravirt_nop, -- .release_pmd = paravirt_nop, -- .release_pud = paravirt_nop, -+ .alloc_pte = native_alloc_pte, -+ .alloc_pmd = native_alloc_pmd, -+ .alloc_pud = native_alloc_pud, -+ .release_pte = native_release_pte, -+ .release_pmd = native_release_pmd, -+ .release_pud = native_release_pud, - - .set_pte = native_set_pte, - .set_pte_at = native_set_pte_at, - .set_pmd = native_set_pmd, - .set_pmd_at = native_set_pmd_at, -- .pte_update = paravirt_nop, -+ .pte_update = native_pte_update, - - .ptep_modify_prot_start = __ptep_modify_prot_start, - .ptep_modify_prot_commit = __ptep_modify_prot_commit, -@@ -427,26 +596,27 @@ struct pv_mmu_ops pv_mmu_ops __ro_after_init = { - #endif - .set_pud = native_set_pud, - -- .pmd_val = PTE_IDENT, -- .make_pmd = PTE_IDENT, -+ .pmd_val = PTE_IDENT(pmd_val, native_pmd_val), -+ .make_pmd = PTE_IDENT(make_pmd, native_make_pmd), - - #if CONFIG_PGTABLE_LEVELS == 4 -- .pud_val = PTE_IDENT, -- .make_pud = PTE_IDENT, -+ .pud_val = PTE_IDENT(pud_val, native_pud_val), -+ .make_pud = PTE_IDENT(make_pud, native_make_pud), - - .set_pgd = native_set_pgd, -+ .set_pgd_batched = native_set_pgd_batched, - #endif - #endif /* CONFIG_PGTABLE_LEVELS >= 3 */ - -- .pte_val = PTE_IDENT, -- .pgd_val = PTE_IDENT, -+ .pte_val = PTE_IDENT(pte_val, native_pte_val), -+ .pgd_val = PTE_IDENT(pgd_val, native_pgd_val), - -- .make_pte = PTE_IDENT, -- .make_pgd = PTE_IDENT, -+ .make_pte = PTE_IDENT(make_pte, native_make_pte), -+ .make_pgd = PTE_IDENT(make_pgd, native_make_pgd), - -- .dup_mmap = paravirt_nop, -- .exit_mmap = paravirt_nop, -- .activate_mm = paravirt_nop, -+ .dup_mmap = native_dup_mmap, -+ .exit_mmap = native_exit_mmap, -+ .activate_mm = native_activate_mm, - - .lazy_mode = { - .enter = paravirt_nop, -@@ -455,6 +625,12 @@ struct pv_mmu_ops pv_mmu_ops __ro_after_init = { - }, - - .set_fixmap = native_set_fixmap, -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ .pax_open_kernel = native_pax_open_kernel, -+ .pax_close_kernel = native_pax_close_kernel, -+#endif -+ - }; - - EXPORT_SYMBOL_GPL(pv_time_ops); -diff --git a/arch/x86/kernel/paravirt_patch_64.c b/arch/x86/kernel/paravirt_patch_64.c -index bb3840c..2fe40f3 100644 ---- a/arch/x86/kernel/paravirt_patch_64.c -+++ b/arch/x86/kernel/paravirt_patch_64.c -@@ -9,7 +9,11 @@ DEF_NATIVE(pv_irq_ops, save_fl, "pushfq; popq %rax"); - DEF_NATIVE(pv_mmu_ops, read_cr2, "movq %cr2, %rax"); - DEF_NATIVE(pv_mmu_ops, read_cr3, "movq %cr3, %rax"); - DEF_NATIVE(pv_mmu_ops, write_cr3, "movq %rdi, %cr3"); -+ -+#ifndef CONFIG_PAX_MEMORY_UDEREF - DEF_NATIVE(pv_mmu_ops, flush_tlb_single, "invlpg (%rdi)"); -+#endif -+ - DEF_NATIVE(pv_cpu_ops, clts, "clts"); - DEF_NATIVE(pv_cpu_ops, wbinvd, "wbinvd"); - -@@ -59,7 +63,11 @@ unsigned native_patch(u8 type, u16 clobbers, void *ibuf, - PATCH_SITE(pv_mmu_ops, read_cr3); - PATCH_SITE(pv_mmu_ops, write_cr3); - PATCH_SITE(pv_cpu_ops, clts); -+ -+#ifndef CONFIG_PAX_MEMORY_UDEREF - PATCH_SITE(pv_mmu_ops, flush_tlb_single); -+#endif -+ - PATCH_SITE(pv_cpu_ops, wbinvd); - #if defined(CONFIG_PARAVIRT_SPINLOCKS) - case PARAVIRT_PATCH(pv_lock_ops.queued_spin_unlock): -diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c -index 5d400ba..eaad6f6 100644 ---- a/arch/x86/kernel/pci-calgary_64.c -+++ b/arch/x86/kernel/pci-calgary_64.c -@@ -1347,7 +1347,7 @@ static void __init get_tce_space_from_tar(void) - tce_space = be64_to_cpu(readq(target)); - tce_space = tce_space & TAR_SW_BITS; - -- tce_space = tce_space & (~specified_table_size); -+ tce_space = tce_space & (~(unsigned long)specified_table_size); - info->tce_space = (u64 *)__va(tce_space); - } - } -diff --git a/arch/x86/kernel/pci-iommu_table.c b/arch/x86/kernel/pci-iommu_table.c -index f712dfd..0172a75 100644 ---- a/arch/x86/kernel/pci-iommu_table.c -+++ b/arch/x86/kernel/pci-iommu_table.c -@@ -2,7 +2,7 @@ - #include - #include - #include -- -+#include - - #define DEBUG 1 - -diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c -index 8e10e72..fdd36da 100644 ---- a/arch/x86/kernel/process.c -+++ b/arch/x86/kernel/process.c -@@ -16,6 +16,7 @@ - #include - #include - #include -+#include - #include - #include - #include -@@ -41,7 +42,8 @@ - * section. Since TSS's are completely CPU-local, we want them - * on exact cacheline boundaries, to eliminate cacheline ping-pong. - */ --__visible DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, cpu_tss) = { -+struct tss_struct cpu_tss[NR_CPUS] __visible ____cacheline_internodealigned_in_smp = { -+ [0 ... NR_CPUS-1] = { - .x86_tss = { - .sp0 = TOP_OF_INIT_STACK, - #ifdef CONFIG_X86_32 -@@ -62,8 +64,9 @@ __visible DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, cpu_tss) = { - #ifdef CONFIG_X86_32 - .SYSENTER_stack_canary = STACK_END_MAGIC, - #endif -+} - }; --EXPORT_PER_CPU_SYMBOL(cpu_tss); -+EXPORT_SYMBOL(cpu_tss); - - #ifdef CONFIG_X86_64 - static DEFINE_PER_CPU(unsigned char, is_idle); -@@ -82,13 +85,26 @@ void idle_notifier_unregister(struct notifier_block *n) - EXPORT_SYMBOL_GPL(idle_notifier_unregister); - #endif - -+struct kmem_cache *fpregs_state_cachep; -+EXPORT_SYMBOL(fpregs_state_cachep); -+ -+void __init arch_task_cache_init(void) -+{ -+ /* create a slab on which task_structs can be allocated */ -+ fpregs_state_cachep = -+ kmem_cache_create_usercopy("fpregs_state", fpu_kernel_xstate_size, -+ ARCH_MIN_TASKALIGN, SLAB_PANIC | SLAB_NOTRACK, 0, fpu_kernel_xstate_size, NULL); -+} -+ - /* - * this gets called so that we can store lazy state into memory and copy the - * current task into the new thread. - */ - int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) - { -- memcpy(dst, src, arch_task_struct_size); -+ *dst = *src; -+ dst->thread.fpu.state = kmem_cache_alloc_node(fpregs_state_cachep, GFP_KERNEL, tsk_fork_get_node(src)); -+ memcpy(dst->thread.fpu.state, src->thread.fpu.state, fpu_kernel_xstate_size); - #ifdef CONFIG_VM86 - dst->thread.vm86 = NULL; - #endif -@@ -96,6 +112,12 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) - return fpu__copy(&dst->thread.fpu, &src->thread.fpu); - } - -+void arch_release_task_struct(struct task_struct *tsk) -+{ -+ kmem_cache_free(fpregs_state_cachep, tsk->thread.fpu.state); -+ tsk->thread.fpu.state = NULL; -+} -+ - /* - * Free current thread data structures etc.. - */ -@@ -106,7 +128,7 @@ void exit_thread(struct task_struct *tsk) - struct fpu *fpu = &t->fpu; - - if (bp) { -- struct tss_struct *tss = &per_cpu(cpu_tss, get_cpu()); -+ struct tss_struct *tss = cpu_tss + get_cpu(); - - t->io_bitmap_ptr = NULL; - clear_thread_flag(TIF_IO_BITMAP); -@@ -128,6 +150,9 @@ void flush_thread(void) - { - struct task_struct *tsk = current; - -+#if defined(CONFIG_X86_32) && !defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_PAX_MEMORY_UDEREF) -+ loadsegment(gs, 0); -+#endif - flush_ptrace_hw_breakpoint(tsk); - memset(tsk->thread.tls_array, 0, sizeof(tsk->thread.tls_array)); - -@@ -269,7 +294,7 @@ static void __exit_idle(void) - void exit_idle(void) - { - /* idle loop has pid 0 */ -- if (current->pid) -+ if (task_pid_nr(current)) - return; - __exit_idle(); - } -@@ -322,7 +347,7 @@ bool xen_set_default_idle(void) - return ret; - } - #endif --void stop_this_cpu(void *dummy) -+__noreturn void stop_this_cpu(void *dummy) - { - local_irq_disable(); - /* -@@ -499,13 +524,6 @@ static int __init idle_setup(char *str) - } - early_param("idle", idle_setup); - --unsigned long arch_align_stack(unsigned long sp) --{ -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() % 8192; -- return sp & ~0xf; --} -- - unsigned long arch_randomize_brk(struct mm_struct *mm) - { - return randomize_page(mm->brk, 0x02000000); -@@ -583,3 +601,35 @@ unsigned long get_wchan(struct task_struct *p) - put_task_stack(p); - return ret; - } -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+void pax_randomize_kstack(struct pt_regs *regs) -+{ -+ struct thread_struct *thread = ¤t->thread; -+ unsigned long time; -+ -+ if (!randomize_va_space) -+ return; -+ -+ if (v8086_mode(regs)) -+ return; -+ -+ time = rdtsc(); -+ -+ /* P4 seems to return a 0 LSB, ignore it */ -+#ifdef CONFIG_MPENTIUM4 -+ time &= 0x3EUL; -+ time <<= 2; -+#elif defined(CONFIG_X86_64) -+ time &= 0xFUL; -+ time <<= 4; -+#else -+ time &= 0x1FUL; -+ time <<= 3; -+#endif -+ -+ thread->sp0 ^= time; -+ load_sp0(cpu_tss + smp_processor_id(), thread); -+ this_cpu_write(cpu_current_top_of_stack, thread->sp0); -+} -+#endif -diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c -index bd7be8e..631798b 100644 ---- a/arch/x86/kernel/process_32.c -+++ b/arch/x86/kernel/process_32.c -@@ -65,16 +65,15 @@ void __show_regs(struct pt_regs *regs, int all) - if (user_mode(regs)) { - sp = regs->sp; - ss = regs->ss & 0xffff; -- gs = get_user_gs(regs); - } else { - sp = kernel_stack_pointer(regs); - savesegment(ss, ss); -- savesegment(gs, gs); - } -+ gs = get_user_gs(regs); - - printk(KERN_DEFAULT "EIP: %04x:[<%08lx>] EFLAGS: %08lx CPU: %d\n", - (u16)regs->cs, regs->ip, regs->flags, -- smp_processor_id()); -+ raw_smp_processor_id()); - print_symbol("EIP is at %s\n", regs->ip); - - printk(KERN_DEFAULT "EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n", -@@ -121,7 +120,7 @@ void release_thread(struct task_struct *dead_task) - int copy_thread_tls(unsigned long clone_flags, unsigned long sp, - unsigned long arg, struct task_struct *p, unsigned long tls) - { -- struct pt_regs *childregs = task_pt_regs(p); -+ struct pt_regs *childregs = task_stack_page(p) + THREAD_SIZE - sizeof(struct pt_regs) - 8; - struct fork_frame *fork_frame = container_of(childregs, struct fork_frame, regs); - struct inactive_task_frame *frame = &fork_frame->frame; - struct task_struct *tsk; -@@ -131,6 +130,7 @@ int copy_thread_tls(unsigned long clone_flags, unsigned long sp, - frame->ret_addr = (unsigned long) ret_from_fork; - p->thread.sp = (unsigned long) fork_frame; - p->thread.sp0 = (unsigned long) (childregs+1); -+ p->thread.lowest_stack = (unsigned long)task_stack_page(p) + 2 * sizeof(unsigned long); - memset(p->thread.ptrace_bps, 0, sizeof(p->thread.ptrace_bps)); - - if (unlikely(p->flags & PF_KTHREAD)) { -@@ -231,7 +231,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - struct fpu *prev_fpu = &prev->fpu; - struct fpu *next_fpu = &next->fpu; - int cpu = smp_processor_id(); -- struct tss_struct *tss = &per_cpu(cpu_tss, cpu); -+ struct tss_struct *tss = cpu_tss + cpu; - fpu_switch_t fpu_switch; - - /* never put a printk in __switch_to... printk() calls wake_up*() indirectly */ -@@ -250,6 +250,10 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - */ - lazy_save_gs(prev->gs); - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(next_p->thread.addr_limit); -+#endif -+ - /* - * Load the per-thread Thread-Local Storage descriptor. - */ -@@ -285,9 +289,8 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - * current_thread_info(). - */ - load_sp0(tss, next); -- this_cpu_write(cpu_current_top_of_stack, -- (unsigned long)task_stack_page(next_p) + -- THREAD_SIZE); -+ this_cpu_write(current_task, next_p); -+ this_cpu_write(cpu_current_top_of_stack, next->sp0); - - /* - * Restore %gs if needed (which is common) -@@ -297,7 +300,5 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - - switch_fpu_finish(next_fpu, fpu_switch); - -- this_cpu_write(current_task, next_p); -- - return prev_p; - } -diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c -index b3760b3..cb95ed8 100644 ---- a/arch/x86/kernel/process_64.c -+++ b/arch/x86/kernel/process_64.c -@@ -35,6 +35,7 @@ - #include - #include - #include -+#include - - #include - #include -@@ -145,13 +146,14 @@ int copy_thread_tls(unsigned long clone_flags, unsigned long sp, - struct inactive_task_frame *frame; - struct task_struct *me = current; - -- p->thread.sp0 = (unsigned long)task_stack_page(p) + THREAD_SIZE; -+ p->thread.sp0 = (unsigned long)task_stack_page(p) + THREAD_SIZE - 16; - childregs = task_pt_regs(p); - fork_frame = container_of(childregs, struct fork_frame, regs); - frame = &fork_frame->frame; - frame->bp = 0; - frame->ret_addr = (unsigned long) ret_from_fork; - p->thread.sp = (unsigned long) fork_frame; -+ p->thread.lowest_stack = (unsigned long)task_stack_page(p) + 2 * sizeof(unsigned long); - p->thread.io_bitmap_ptr = NULL; - - savesegment(gs, p->thread.gsindex); -@@ -160,13 +162,15 @@ int copy_thread_tls(unsigned long clone_flags, unsigned long sp, - p->thread.fsbase = p->thread.fsindex ? 0 : me->thread.fsbase; - savesegment(es, p->thread.es); - savesegment(ds, p->thread.ds); -+ savesegment(ss, p->thread.ss); -+ BUG_ON(p->thread.ss == __UDEREF_KERNEL_DS); - memset(p->thread.ptrace_bps, 0, sizeof(p->thread.ptrace_bps)); - - if (unlikely(p->flags & PF_KTHREAD)) { - /* kernel thread */ - memset(childregs, 0, sizeof(struct pt_regs)); - frame->bx = sp; /* function */ -- frame->r12 = arg; -+ frame->r13 = arg; - return 0; - } - frame->bx = 0; -@@ -263,7 +267,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - struct fpu *prev_fpu = &prev->fpu; - struct fpu *next_fpu = &next->fpu; - int cpu = smp_processor_id(); -- struct tss_struct *tss = &per_cpu(cpu_tss, cpu); -+ struct tss_struct *tss = cpu_tss + cpu; - unsigned prev_fsindex, prev_gsindex; - fpu_switch_t fpu_switch; - -@@ -314,6 +318,10 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - if (unlikely(next->ds | prev->ds)) - loadsegment(ds, next->ds); - -+ savesegment(ss, prev->ss); -+ if (unlikely(next->ss != prev->ss)) -+ loadsegment(ss, next->ss); -+ - /* - * Switch FS and GS. - * -@@ -427,6 +435,8 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - /* Reload esp0 and ss1. This changes current_thread_info(). */ - load_sp0(tss, next); - -+ this_cpu_write(cpu_current_top_of_stack, next->sp0); -+ - /* - * Now maybe reload the debug registers and handle I/O bitmaps - */ -@@ -612,7 +622,7 @@ long do_arch_prctl(struct task_struct *task, int code, unsigned long addr) - return ret; - } - --long sys_arch_prctl(int code, unsigned long addr) -+SYSCALL_DEFINE2(arch_prctl, int, code, unsigned long, addr) - { - return do_arch_prctl(current, code, addr); - } -diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c -index 0e63c02..9ee59fb 100644 ---- a/arch/x86/kernel/ptrace.c -+++ b/arch/x86/kernel/ptrace.c -@@ -169,7 +169,7 @@ unsigned long kernel_stack_pointer(struct pt_regs *regs) - unsigned long sp = (unsigned long)®s->sp; - u32 *prev_esp; - -- if (context == (sp & ~(THREAD_SIZE - 1))) -+ if (context == ((sp + 8) & ~(THREAD_SIZE - 1))) - return sp; - - prev_esp = (u32 *)(context); -@@ -411,6 +411,20 @@ static int putreg(struct task_struct *child, - if (child->thread.gsbase != value) - return do_arch_prctl(child, ARCH_SET_GS, value); - return 0; -+ -+ case offsetof(struct user_regs_struct,ip): -+ /* -+ * Protect against any attempt to set ip to an -+ * impossible address. There are dragons lurking if the -+ * address is noncanonical. (This explicitly allows -+ * setting ip to TASK_SIZE_MAX, because user code can do -+ * that all by itself by running off the end of its -+ * address space. -+ */ -+ if (value > TASK_SIZE_MAX) -+ return -EIO; -+ break; -+ - #endif - } - -@@ -533,7 +547,7 @@ static void ptrace_triggered(struct perf_event *bp, - static unsigned long ptrace_get_dr7(struct perf_event *bp[]) - { - int i; -- int dr7 = 0; -+ unsigned long dr7 = 0; - struct arch_hw_breakpoint *info; - - for (i = 0; i < HBP_NUM; i++) { -@@ -767,7 +781,7 @@ long arch_ptrace(struct task_struct *child, long request, - unsigned long addr, unsigned long data) - { - int ret; -- unsigned long __user *datap = (unsigned long __user *)data; -+ unsigned long __user *datap = (__force unsigned long __user *)data; - - switch (request) { - /* read the word at location addr in the USER area. */ -@@ -852,14 +866,14 @@ long arch_ptrace(struct task_struct *child, long request, - if ((int) addr < 0) - return -EIO; - ret = do_get_thread_area(child, addr, -- (struct user_desc __user *)data); -+ (__force struct user_desc __user *) data); - break; - - case PTRACE_SET_THREAD_AREA: - if ((int) addr < 0) - return -EIO; - ret = do_set_thread_area(child, addr, -- (struct user_desc __user *)data, 0); -+ (__force struct user_desc __user *) data, 0); - break; - #endif - -@@ -1250,7 +1264,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, - - #ifdef CONFIG_X86_64 - --static struct user_regset x86_64_regsets[] __ro_after_init = { -+static user_regset_no_const x86_64_regsets[] __ro_after_init = { - [REGSET_GENERAL] = { - .core_note_type = NT_PRSTATUS, - .n = sizeof(struct user_regs_struct) / sizeof(long), -@@ -1291,7 +1305,7 @@ static const struct user_regset_view user_x86_64_view = { - #endif /* CONFIG_X86_64 */ - - #if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION --static struct user_regset x86_32_regsets[] __ro_after_init = { -+static user_regset_no_const x86_32_regsets[] __ro_after_init = { - [REGSET_GENERAL] = { - .core_note_type = NT_PRSTATUS, - .n = sizeof(struct user_regs_struct32) / sizeof(u32), -@@ -1379,7 +1393,7 @@ static void fill_sigtrap_info(struct task_struct *tsk, - memset(info, 0, sizeof(*info)); - info->si_signo = SIGTRAP; - info->si_code = si_code; -- info->si_addr = user_mode(regs) ? (void __user *)regs->ip : NULL; -+ info->si_addr = user_mode(regs) ? (__force void __user *)regs->ip : NULL; - } - - void user_single_step_siginfo(struct task_struct *tsk, -diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c -index 5b2cc88..bdbf72f 100644 ---- a/arch/x86/kernel/pvclock.c -+++ b/arch/x86/kernel/pvclock.c -@@ -51,11 +51,11 @@ void pvclock_touch_watchdogs(void) - reset_hung_task_detector(); - } - --static atomic64_t last_value = ATOMIC64_INIT(0); -+static atomic64_unchecked_t last_value = ATOMIC64_INIT(0); - - void pvclock_resume(void) - { -- atomic64_set(&last_value, 0); -+ atomic64_set_unchecked(&last_value, 0); - } - - u8 pvclock_read_flags(struct pvclock_vcpu_time_info *src) -@@ -107,11 +107,11 @@ cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src) - * updating at the same time, and one of them could be slightly behind, - * making the assumption that last_value always go forward fail to hold. - */ -- last = atomic64_read(&last_value); -+ last = atomic64_read_unchecked(&last_value); - do { - if (ret < last) - return last; -- last = atomic64_cmpxchg(&last_value, last, ret); -+ last = atomic64_cmpxchg_unchecked(&last_value, last, ret); - } while (unlikely(last != ret)); - - return ret; -diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c -index 067f981..5486a61 100644 ---- a/arch/x86/kernel/reboot.c -+++ b/arch/x86/kernel/reboot.c -@@ -83,6 +83,11 @@ static int __init set_bios_reboot(const struct dmi_system_id *d) - - void __noreturn machine_real_restart(unsigned int type) - { -+ -+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)) -+ struct desc_struct *gdt; -+#endif -+ - local_irq_disable(); - - /* -@@ -110,7 +115,29 @@ void __noreturn machine_real_restart(unsigned int type) - - /* Jump to the identity-mapped low memory code */ - #ifdef CONFIG_X86_32 -- asm volatile("jmpl *%0" : : -+ -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ gdt = get_cpu_gdt_table(smp_processor_id()); -+ pax_open_kernel(); -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ gdt[GDT_ENTRY_KERNEL_DS].type = 3; -+ gdt[GDT_ENTRY_KERNEL_DS].limit = 0xf; -+ loadsegment(ds, __KERNEL_DS); -+ loadsegment(es, __KERNEL_DS); -+ loadsegment(ss, __KERNEL_DS); -+#endif -+#ifdef CONFIG_PAX_KERNEXEC -+ gdt[GDT_ENTRY_KERNEL_CS].base0 = 0; -+ gdt[GDT_ENTRY_KERNEL_CS].base1 = 0; -+ gdt[GDT_ENTRY_KERNEL_CS].base2 = 0; -+ gdt[GDT_ENTRY_KERNEL_CS].limit0 = 0xffff; -+ gdt[GDT_ENTRY_KERNEL_CS].limit = 0xf; -+ gdt[GDT_ENTRY_KERNEL_CS].g = 1; -+#endif -+ pax_close_kernel(); -+#endif -+ -+ asm volatile("ljmpl *%0" : : - "rm" (real_mode_header->machine_real_restart_asm), - "a" (type)); - #else -@@ -150,7 +177,7 @@ static int __init set_kbd_reboot(const struct dmi_system_id *d) - /* - * This is a single dmi_table handling all reboot quirks. - */ --static struct dmi_system_id __initdata reboot_dmi_table[] = { -+static const struct dmi_system_id __initconst reboot_dmi_table[] = { - - /* Acer */ - { /* Handle reboot issue on Acer Aspire one */ -@@ -556,7 +583,7 @@ void __attribute__((weak)) mach_reboot_fixups(void) - * This means that this function can never return, it can misbehave - * by not rebooting properly and hanging. - */ --static void native_machine_emergency_restart(void) -+static void __noreturn native_machine_emergency_restart(void) - { - int i; - int attempt = 0; -@@ -685,13 +712,13 @@ void native_machine_shutdown(void) - #endif - } - --static void __machine_emergency_restart(int emergency) -+static void __noreturn __machine_emergency_restart(int emergency) - { - reboot_emergency = emergency; - machine_ops.emergency_restart(); - } - --static void native_machine_restart(char *__unused) -+static void __noreturn native_machine_restart(char *__unused) - { - pr_notice("machine restart\n"); - -@@ -700,7 +727,7 @@ static void native_machine_restart(char *__unused) - __machine_emergency_restart(0); - } - --static void native_machine_halt(void) -+static void __noreturn native_machine_halt(void) - { - /* Stop other cpus and apics */ - machine_shutdown(); -@@ -710,7 +737,7 @@ static void native_machine_halt(void) - stop_this_cpu(NULL); - } - --static void native_machine_power_off(void) -+static void __noreturn native_machine_power_off(void) - { - if (pm_power_off) { - if (!reboot_force) -@@ -719,6 +746,7 @@ static void native_machine_power_off(void) - } - /* A fallback in case there is no PM info available */ - tboot_shutdown(TB_SHUTDOWN_HALT); -+ unreachable(); - } - - struct machine_ops machine_ops __ro_after_init = { -diff --git a/arch/x86/kernel/reboot_fixups_32.c b/arch/x86/kernel/reboot_fixups_32.c -index c8e41e9..64049ef 100644 ---- a/arch/x86/kernel/reboot_fixups_32.c -+++ b/arch/x86/kernel/reboot_fixups_32.c -@@ -57,7 +57,7 @@ struct device_fixup { - unsigned int vendor; - unsigned int device; - void (*reboot_fixup)(struct pci_dev *); --}; -+} __do_const; - - /* - * PCI ids solely used for fixups_table go here -diff --git a/arch/x86/kernel/relocate_kernel_64.S b/arch/x86/kernel/relocate_kernel_64.S -index 98111b3..73ca125 100644 ---- a/arch/x86/kernel/relocate_kernel_64.S -+++ b/arch/x86/kernel/relocate_kernel_64.S -@@ -96,8 +96,7 @@ relocate_kernel: - - /* jump to identity mapped page */ - addq $(identity_mapped - relocate_kernel), %r8 -- pushq %r8 -- ret -+ jmp *%r8 - - identity_mapped: - /* set return address to 0 if not preserving context */ -diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c -index 9c337b0..16b315a 100644 ---- a/arch/x86/kernel/setup.c -+++ b/arch/x86/kernel/setup.c -@@ -114,6 +114,7 @@ - #include - #include - #include -+#include - - /* - * max_low_pfn_mapped: highest direct mapped pfn under 4GB -@@ -178,7 +179,7 @@ struct cpuinfo_x86 new_cpu_data = { - .wp_works_ok = -1, - }; - /* common cpu data for all cpus */ --struct cpuinfo_x86 boot_cpu_data __read_mostly = { -+struct cpuinfo_x86 boot_cpu_data __read_only = { - .wp_works_ok = -1, - }; - EXPORT_SYMBOL(boot_cpu_data); -@@ -202,17 +203,19 @@ struct ist_info ist_info; - #endif - - #else --struct cpuinfo_x86 boot_cpu_data __read_mostly = { -+struct cpuinfo_x86 boot_cpu_data __read_only = { - .x86_phys_bits = MAX_PHYSMEM_BITS, - }; - EXPORT_SYMBOL(boot_cpu_data); - #endif - - --#if !defined(CONFIG_X86_PAE) || defined(CONFIG_X86_64) --__visible unsigned long mmu_cr4_features __ro_after_init; --#else -+#ifdef CONFIG_X86_64 -+__visible unsigned long mmu_cr4_features __ro_after_init = X86_CR4_PSE | X86_CR4_PAE | X86_CR4_PGE; -+#elif defined(CONFIG_X86_PAE) - __visible unsigned long mmu_cr4_features __ro_after_init = X86_CR4_PAE; -+#else -+__visible unsigned long mmu_cr4_features __ro_after_init; - #endif - - /* Boot loader ID and version as integers, for the benefit of proc_dointvec */ -@@ -761,7 +764,7 @@ static void __init trim_bios_range(void) - * area (640->1Mb) as ram even though it is not. - * take them out. - */ -- e820_remove_range(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_RAM, 1); -+ e820_remove_range(ISA_START_ADDRESS, ISA_END_ADDRESS - ISA_START_ADDRESS, E820_RAM, 1); - - sanitize_e820_map(e820->map, ARRAY_SIZE(e820->map), &e820->nr_map); - } -@@ -769,7 +772,7 @@ static void __init trim_bios_range(void) - /* called before trim_bios_range() to spare extra sanitize */ - static void __init e820_add_kernel_range(void) - { -- u64 start = __pa_symbol(_text); -+ u64 start = __pa_symbol(ktla_ktva((unsigned long)_text)); - u64 size = __pa_symbol(_end) - start; - - /* -@@ -850,8 +853,8 @@ dump_kernel_offset(struct notifier_block *self, unsigned long v, void *p) - - void __init setup_arch(char **cmdline_p) - { -- memblock_reserve(__pa_symbol(_text), -- (unsigned long)__bss_stop - (unsigned long)_text); -+ memblock_reserve(__pa_symbol(ktla_ktva((unsigned long)_text)), -+ (unsigned long)__bss_stop - ktla_ktva((unsigned long)_text)); - - early_reserve_initrd(); - -@@ -944,16 +947,16 @@ void __init setup_arch(char **cmdline_p) - - if (!boot_params.hdr.root_flags) - root_mountflags &= ~MS_RDONLY; -- init_mm.start_code = (unsigned long) _text; -- init_mm.end_code = (unsigned long) _etext; -- init_mm.end_data = (unsigned long) _edata; -+ init_mm.start_code = ktla_ktva((unsigned long)_text); -+ init_mm.end_code = ktla_ktva((unsigned long)_etext); -+ init_mm.end_data = (unsigned long)_edata; - init_mm.brk = _brk_end; - - mpx_mm_init(&init_mm); - -- code_resource.start = __pa_symbol(_text); -- code_resource.end = __pa_symbol(_etext)-1; -- data_resource.start = __pa_symbol(_etext); -+ code_resource.start = __pa_symbol(ktla_ktva((unsigned long)_text)); -+ code_resource.end = __pa_symbol(ktla_ktva((unsigned long)_etext))-1; -+ data_resource.start = __pa_symbol(_sdata); - data_resource.end = __pa_symbol(_edata)-1; - bss_resource.start = __pa_symbol(__bss_start); - bss_resource.end = __pa_symbol(__bss_stop)-1; -diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c -index 2bbd27f..99987a3 100644 ---- a/arch/x86/kernel/setup_percpu.c -+++ b/arch/x86/kernel/setup_percpu.c -@@ -21,14 +21,12 @@ - #include - #include - --DEFINE_PER_CPU_READ_MOSTLY(int, cpu_number); -+#ifdef CONFIG_SMP -+DEFINE_PER_CPU_READ_MOSTLY(unsigned int, cpu_number); - EXPORT_PER_CPU_SYMBOL(cpu_number); -+#endif - --#ifdef CONFIG_X86_64 - #define BOOT_PERCPU_OFFSET ((unsigned long)__per_cpu_load) --#else --#define BOOT_PERCPU_OFFSET 0 --#endif - - DEFINE_PER_CPU_READ_MOSTLY(unsigned long, this_cpu_off) = BOOT_PERCPU_OFFSET; - EXPORT_PER_CPU_SYMBOL(this_cpu_off); -@@ -66,7 +64,7 @@ static bool __init pcpu_need_numa(void) - { - #ifdef CONFIG_NEED_MULTIPLE_NODES - pg_data_t *last = NULL; -- unsigned int cpu; -+ int cpu; - - for_each_possible_cpu(cpu) { - int node = early_cpu_to_node(cpu); -@@ -155,10 +153,10 @@ static inline void setup_percpu_segment(int cpu) - { - #ifdef CONFIG_X86_32 - struct desc_struct gdt; -+ unsigned long base = per_cpu_offset(cpu); - -- pack_descriptor(&gdt, per_cpu_offset(cpu), 0xFFFFF, -- 0x2 | DESCTYPE_S, 0x8); -- gdt.s = 1; -+ pack_descriptor(&gdt, base, (VMALLOC_END - base - 1) >> PAGE_SHIFT, -+ 0x83 | DESCTYPE_S, 0xC); - write_gdt_entry(get_cpu_gdt_table(cpu), - GDT_ENTRY_PERCPU, &gdt, DESCTYPE_S); - #endif -@@ -219,6 +217,11 @@ void __init setup_per_cpu_areas(void) - /* alrighty, percpu areas up and running */ - delta = (unsigned long)pcpu_base_addr - (unsigned long)__per_cpu_start; - for_each_possible_cpu(cpu) { -+#ifdef CONFIG_CC_STACKPROTECTOR -+#ifdef CONFIG_X86_32 -+ unsigned long canary = per_cpu(stack_canary.canary, cpu); -+#endif -+#endif - per_cpu_offset(cpu) = delta + pcpu_unit_offsets[cpu]; - per_cpu(this_cpu_off, cpu) = per_cpu_offset(cpu); - per_cpu(cpu_number, cpu) = cpu; -@@ -244,7 +247,7 @@ void __init setup_per_cpu_areas(void) - early_per_cpu_map(x86_cpu_to_logical_apicid, cpu); - #endif - #ifdef CONFIG_X86_64 -- per_cpu(irq_stack_ptr, cpu) = -+ per_cpu(irq_stack_ptr, cpu) = per_cpu(irq_stack_ptr_lowmem, cpu) = - per_cpu(irq_stack_union.irq_stack, cpu) + - IRQ_STACK_SIZE; - #endif -@@ -261,6 +264,12 @@ void __init setup_per_cpu_areas(void) - */ - set_cpu_numa_node(cpu, early_cpu_to_node(cpu)); - #endif -+#ifdef CONFIG_CC_STACKPROTECTOR -+#ifdef CONFIG_X86_32 -+ if (!cpu) -+ per_cpu(stack_canary.canary, cpu) = canary; -+#endif -+#endif - /* - * Up to this point, the boot CPU has been using .init.data - * area. Reload any changed state for the boot CPU. -diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c -index 763af1d..178b2d6 100644 ---- a/arch/x86/kernel/signal.c -+++ b/arch/x86/kernel/signal.c -@@ -23,6 +23,7 @@ - #include - #include - #include -+#include - - #include - #include -@@ -227,7 +228,7 @@ static unsigned long align_sigframe(unsigned long sp) - * Align the stack pointer according to the i386 ABI, - * i.e. so that on function entry ((sp + 4) & 15) == 0. - */ -- sp = ((sp + 4) & -16ul) - 4; -+ sp = ((sp - 12) & -16ul) - 4; - #else /* !CONFIG_X86_32 */ - sp = round_down(sp, 16) - 8; - #endif -@@ -335,10 +336,9 @@ __setup_frame(int sig, struct ksignal *ksig, sigset_t *set, - } - - if (current->mm->context.vdso) -- restorer = current->mm->context.vdso + -- vdso_image_32.sym___kernel_sigreturn; -+ restorer = (void __force_user *)(current->mm->context.vdso + vdso_image_32.sym___kernel_sigreturn); - else -- restorer = &frame->retcode; -+ restorer = frame->retcode; - if (ksig->ka.sa.sa_flags & SA_RESTORER) - restorer = ksig->ka.sa.sa_restorer; - -@@ -352,7 +352,7 @@ __setup_frame(int sig, struct ksignal *ksig, sigset_t *set, - * reasons and because gdb uses it as a signature to notice - * signal handler stack frames. - */ -- err |= __put_user(*((u64 *)&retcode), (u64 *)frame->retcode); -+ err |= __put_user(*((u64 *)&retcode), (u64 __user *)frame->retcode); - - if (err) - return -EFAULT; -@@ -399,8 +399,10 @@ static int __setup_rt_frame(int sig, struct ksignal *ksig, - save_altstack_ex(&frame->uc.uc_stack, regs->sp); - - /* Set up to return from userspace. */ -- restorer = current->mm->context.vdso + -- vdso_image_32.sym___kernel_rt_sigreturn; -+ if (current->mm->context.vdso) -+ restorer = (void __force_user *)(current->mm->context.vdso + vdso_image_32.sym___kernel_rt_sigreturn); -+ else -+ restorer = (void __user *)&frame->retcode; - if (ksig->ka.sa.sa_flags & SA_RESTORER) - restorer = ksig->ka.sa.sa_restorer; - put_user_ex(restorer, &frame->pretcode); -@@ -412,7 +414,7 @@ static int __setup_rt_frame(int sig, struct ksignal *ksig, - * reasons and because gdb uses it as a signature to notice - * signal handler stack frames. - */ -- put_user_ex(*((u64 *)&rt_retcode), (u64 *)frame->retcode); -+ put_user_ex(*((u64 *)&rt_retcode), (u64 __user *)frame->retcode); - } put_user_catch(err); - - err |= copy_siginfo_to_user(&frame->info, &ksig->info); -@@ -599,7 +601,7 @@ static int x32_setup_rt_frame(struct ksignal *ksig, - * Do a signal return; undo the signal stack. - */ - #ifdef CONFIG_X86_32 --asmlinkage unsigned long sys_sigreturn(void) -+SYSCALL_DEFINE0(sigreturn) - { - struct pt_regs *regs = current_pt_regs(); - struct sigframe __user *frame; -@@ -631,7 +633,7 @@ asmlinkage unsigned long sys_sigreturn(void) - } - #endif /* CONFIG_X86_32 */ - --asmlinkage long sys_rt_sigreturn(void) -+SYSCALL_DEFINE0(rt_sigreturn) - { - struct pt_regs *regs = current_pt_regs(); - struct rt_sigframe __user *frame; -@@ -853,7 +855,7 @@ void signal_fault(struct pt_regs *regs, void __user *frame, char *where) - } - - #ifdef CONFIG_X86_X32_ABI --asmlinkage long sys32_x32_rt_sigreturn(void) -+SYS32_SYSCALL_DEFINE0(x32_rt_sigreturn) - { - struct pt_regs *regs = current_pt_regs(); - struct rt_sigframe_x32 __user *frame; -diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c -index c00cb64..73f6b30 100644 ---- a/arch/x86/kernel/smp.c -+++ b/arch/x86/kernel/smp.c -@@ -340,7 +340,7 @@ static int __init nonmi_ipi_setup(char *str) - - __setup("nonmi_ipi", nonmi_ipi_setup); - --struct smp_ops smp_ops = { -+struct smp_ops smp_ops __read_only = { - .smp_prepare_boot_cpu = native_smp_prepare_boot_cpu, - .smp_prepare_cpus = native_smp_prepare_cpus, - .smp_cpus_done = native_smp_cpus_done, -diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c -index 36171bc..e32a454 100644 ---- a/arch/x86/kernel/smpboot.c -+++ b/arch/x86/kernel/smpboot.c -@@ -94,7 +94,7 @@ EXPORT_PER_CPU_SYMBOL(cpu_core_map); - DEFINE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_llc_shared_map); - - /* Per CPU bogomips and other parameters */ --DEFINE_PER_CPU_READ_MOSTLY(struct cpuinfo_x86, cpu_info); -+DEFINE_PER_CPU_READ_ONLY(struct cpuinfo_x86, cpu_info); - EXPORT_PER_CPU_SYMBOL(cpu_info); - - /* Logical package management. We might want to allocate that dynamically */ -@@ -224,14 +224,17 @@ static void notrace start_secondary(void *unused) - - enable_start_cpu0 = 0; - --#ifdef CONFIG_X86_32 -+ /* otherwise gcc will move up smp_processor_id before the cpu_init */ -+ barrier(); -+ - /* switch away from the initial page table */ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ load_cr3(get_cpu_pgd(smp_processor_id(), kernel)); -+#else - load_cr3(swapper_pg_dir); -+#endif - __flush_tlb_all(); --#endif - -- /* otherwise gcc will move up smp_processor_id before the cpu_init */ -- barrier(); - /* - * Check TSC synchronization with the BP: - */ -@@ -931,13 +934,11 @@ void common_cpu_up(unsigned int cpu, struct task_struct *idle) - per_cpu(current_task, cpu) = idle; - - #ifdef CONFIG_X86_32 -- /* Stack for startup_32 can be just as for start_secondary onwards */ - irq_ctx_init(cpu); -- per_cpu(cpu_current_top_of_stack, cpu) = -- (unsigned long)task_stack_page(idle) + THREAD_SIZE; - #else - initial_gs = per_cpu_offset(cpu); - #endif -+ per_cpu(cpu_current_top_of_stack, cpu) = (unsigned long)task_stack_page(idle) - 16 + THREAD_SIZE; - } - - /* -@@ -958,9 +959,11 @@ static int do_boot_cpu(int apicid, int cpu, struct task_struct *idle) - unsigned long timeout; - - idle->thread.sp = (unsigned long) (((struct pt_regs *) -- (THREAD_SIZE + task_stack_page(idle))) - 1); -+ (THREAD_SIZE - 16 + task_stack_page(idle))) - 1); - -+ pax_open_kernel(); - early_gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu); -+ pax_close_kernel(); - initial_code = (unsigned long)start_secondary; - initial_stack = idle->thread.sp; - -@@ -1108,6 +1111,15 @@ int native_cpu_up(unsigned int cpu, struct task_struct *tidle) - - common_cpu_up(cpu, tidle); - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ clone_pgd_range(get_cpu_pgd(cpu, kernel) + KERNEL_PGD_BOUNDARY, -+ swapper_pg_dir + KERNEL_PGD_BOUNDARY, -+ KERNEL_PGD_PTRS); -+ clone_pgd_range(get_cpu_pgd(cpu, user) + KERNEL_PGD_BOUNDARY, -+ swapper_pg_dir + KERNEL_PGD_BOUNDARY, -+ KERNEL_PGD_PTRS); -+#endif -+ - err = do_boot_cpu(apicid, cpu, tidle); - if (err) { - pr_err("do_boot_cpu failed(%d) to wakeup CPU#%u\n", err, cpu); -diff --git a/arch/x86/kernel/step.c b/arch/x86/kernel/step.c -index a23ce84..88541d52 100644 ---- a/arch/x86/kernel/step.c -+++ b/arch/x86/kernel/step.c -@@ -45,7 +45,8 @@ unsigned long convert_ip_to_linear(struct task_struct *child, struct pt_regs *re - addr += base; - } - mutex_unlock(&child->mm->context.lock); -- } -+ } else if (seg == __KERNEL_CS || seg == __KERNEXEC_KERNEL_CS) -+ addr = ktla_ktva(addr); - #endif - - return addr; -@@ -57,6 +58,9 @@ static int is_setting_trap_flag(struct task_struct *child, struct pt_regs *regs) - unsigned char opcode[15]; - unsigned long addr = convert_ip_to_linear(child, regs); - -+ if (addr == -1L) -+ return 0; -+ - copied = access_process_vm(child, addr, opcode, sizeof(opcode), - FOLL_FORCE); - for (i = 0; i < copied; i++) { -diff --git a/arch/x86/kernel/sys_i386_32.c b/arch/x86/kernel/sys_i386_32.c -new file mode 100644 -index 0000000..920e413 ---- /dev/null -+++ b/arch/x86/kernel/sys_i386_32.c -@@ -0,0 +1,189 @@ -+/* -+ * This file contains various random system calls that -+ * have a non-standard calling sequence on the Linux/i386 -+ * platform. -+ */ -+ -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+#include -+#include -+ -+#include -+ -+int i386_mmap_check(unsigned long addr, unsigned long len, unsigned long flags) -+{ -+ unsigned long pax_task_size = TASK_SIZE; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ if (flags & MAP_FIXED) -+ if (len > pax_task_size || addr > pax_task_size - len) -+ return -EINVAL; -+ -+ return 0; -+} -+ -+/* -+ * Align a virtual address to avoid aliasing in the I$ on AMD F15h. -+ */ -+static unsigned long get_align_mask(void) -+{ -+ if (va_align.flags < 0 || !(va_align.flags & ALIGN_VA_32)) -+ return 0; -+ -+ if (!(current->flags & PF_RANDOMIZE)) -+ return 0; -+ -+ return va_align.mask; -+} -+ -+unsigned long -+arch_get_unmapped_area(struct file *filp, unsigned long addr, -+ unsigned long len, unsigned long pgoff, unsigned long flags) -+{ -+ struct mm_struct *mm = current->mm; -+ struct vm_area_struct *vma; -+ unsigned long pax_task_size = TASK_SIZE; -+ struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ pax_task_size -= PAGE_SIZE; -+ -+ if (len > pax_task_size) -+ return -ENOMEM; -+ -+ if (flags & MAP_FIXED) -+ return addr; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ -+ if (addr) { -+ addr = PAGE_ALIGN(addr); -+ if (pax_task_size - len >= addr) { -+ vma = find_vma(mm, addr); -+ if (check_heap_stack_gap(vma, addr, len, offset)) -+ return addr; -+ } -+ } -+ -+ info.flags = 0; -+ info.length = len; -+ info.align_mask = filp ? get_align_mask() : 0; -+ info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(__supported_pte_mask & _PAGE_NX) && (mm->pax_flags & MF_PAX_PAGEEXEC) && (flags & MAP_EXECUTABLE)) { -+ info.low_limit = 0x00110000UL; -+ info.high_limit = mm->start_code; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap & 0x03FFF000UL; -+#endif -+ -+ if (info.low_limit < info.high_limit) { -+ addr = vm_unmapped_area(&info); -+ if (!IS_ERR_VALUE(addr)) -+ return addr; -+ } -+ } else -+#endif -+ -+ info.low_limit = mm->mmap_base; -+ info.high_limit = pax_task_size; -+ -+ return vm_unmapped_area(&info); -+} -+ -+unsigned long -+arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr0, -+ unsigned long len, unsigned long pgoff, -+ unsigned long flags) -+{ -+ struct vm_area_struct *vma; -+ struct mm_struct *mm = current->mm; -+ unsigned long addr = addr0, pax_task_size = TASK_SIZE; -+ struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ pax_task_size -= PAGE_SIZE; -+ -+ /* requested length too big for entire address space */ -+ if (len > pax_task_size) -+ return -ENOMEM; -+ -+ if (flags & MAP_FIXED) -+ return addr; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(__supported_pte_mask & _PAGE_NX) && (mm->pax_flags & MF_PAX_PAGEEXEC) && (flags & MAP_EXECUTABLE)) -+ goto bottomup; -+#endif -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ -+ /* requesting a specific address */ -+ if (addr) { -+ addr = PAGE_ALIGN(addr); -+ if (pax_task_size - len >= addr) { -+ vma = find_vma(mm, addr); -+ if (check_heap_stack_gap(vma, addr, len, offset)) -+ return addr; -+ } -+ } -+ -+ info.flags = VM_UNMAPPED_AREA_TOPDOWN; -+ info.length = len; -+ info.low_limit = PAGE_SIZE; -+ info.high_limit = mm->mmap_base; -+ info.align_mask = filp ? get_align_mask() : 0; -+ info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; -+ -+ addr = vm_unmapped_area(&info); -+ if (!(addr & ~PAGE_MASK)) -+ return addr; -+ VM_BUG_ON(addr != -ENOMEM); -+ -+bottomup: -+ /* -+ * A failed mmap() very likely causes application failure, -+ * so fall back to the bottom-up function here. This scenario -+ * can happen with large stack limits and large mmap() -+ * allocations. -+ */ -+ return arch_get_unmapped_area(filp, addr0, len, pgoff, flags); -+} -diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c -index a55ed63..665be0a 100644 ---- a/arch/x86/kernel/sys_x86_64.c -+++ b/arch/x86/kernel/sys_x86_64.c -@@ -97,8 +97,8 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len, - return error; - } - --static void find_start_end(unsigned long flags, unsigned long *begin, -- unsigned long *end) -+static void find_start_end(struct mm_struct *mm, unsigned long flags, -+ unsigned long *begin, unsigned long *end) - { - if (!test_thread_flag(TIF_ADDR32) && (flags & MAP_32BIT)) { - /* This is usually used needed to map code in small -@@ -114,7 +114,7 @@ static void find_start_end(unsigned long flags, unsigned long *begin, - *begin = randomize_page(*begin, 0x02000000); - } - } else { -- *begin = current->mm->mmap_legacy_base; -+ *begin = mm->mmap_legacy_base; - *end = TASK_SIZE; - } - } -@@ -127,20 +127,24 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - struct vm_area_struct *vma; - struct vm_unmapped_area_info info; - unsigned long begin, end; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - - if (flags & MAP_FIXED) - return addr; - -- find_start_end(flags, &begin, &end); -+ find_start_end(mm, flags, &begin, &end); - - if (len > end) - return -ENOMEM; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); -- if (end - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (end - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -154,18 +158,20 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - info.align_mask = get_align_mask(); - info.align_offset += get_align_bits(); - } -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - - unsigned long --arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, -- const unsigned long len, const unsigned long pgoff, -- const unsigned long flags) -+arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr0, -+ unsigned long len, unsigned long pgoff, -+ unsigned long flags) - { - struct vm_area_struct *vma; - struct mm_struct *mm = current->mm; - unsigned long addr = addr0; - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - - /* requested length too big for entire address space */ - if (len > TASK_SIZE) -@@ -178,12 +184,15 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - if (!test_thread_flag(TIF_ADDR32) && (flags & MAP_32BIT)) - goto bottomup; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - /* requesting a specific address */ - if (addr) { - addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -197,6 +206,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - info.align_mask = get_align_mask(); - info.align_offset += get_align_bits(); - } -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - if (!(addr & ~PAGE_MASK)) - return addr; -diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c -index 8402907..b0e4a72 100644 ---- a/arch/x86/kernel/tboot.c -+++ b/arch/x86/kernel/tboot.c -@@ -44,6 +44,7 @@ - #include - #include - #include -+#include - - #include "../realmode/rm/wakeup.h" - -@@ -145,6 +146,10 @@ static int map_tboot_pages(unsigned long vaddr, unsigned long start_pfn, - if (!tboot_pg_dir) - return -1; - -+ clone_pgd_range(tboot_pg_dir + KERNEL_PGD_BOUNDARY, -+ swapper_pg_dir + KERNEL_PGD_BOUNDARY, -+ KERNEL_PGD_PTRS); -+ - for (; nr > 0; nr--, vaddr += PAGE_SIZE, start_pfn++) { - if (map_tboot_page(vaddr, start_pfn, PAGE_KERNEL_EXEC)) - return -1; -@@ -215,8 +220,6 @@ static int tboot_setup_sleep(void) - - void tboot_shutdown(u32 shutdown_type) - { -- void (*shutdown)(void); -- - if (!tboot_enabled()) - return; - -@@ -236,9 +239,12 @@ void tboot_shutdown(u32 shutdown_type) - tboot->shutdown_type = shutdown_type; - - switch_to_tboot_pt(); -+ __write_cr4(__read_cr4() & ~X86_CR4_PCIDE); - -- shutdown = (void(*)(void))(unsigned long)tboot->shutdown_entry; -- shutdown(); -+ /* -+ * PaX: can't be a C indirect function call due to KERNEXEC -+ */ -+ asm volatile("jmp *%0" : : "r"((unsigned long)tboot->shutdown_entry)); - - /* should not reach here */ - while (1) -@@ -304,7 +310,7 @@ static int tboot_extended_sleep(u8 sleep_state, u32 val_a, u32 val_b) - return -ENODEV; - } - --static atomic_t ap_wfs_count; -+static atomic_unchecked_t ap_wfs_count; - - static int tboot_wait_for_aps(int num_aps) - { -@@ -325,9 +331,9 @@ static int tboot_wait_for_aps(int num_aps) - - static int tboot_dying_cpu(unsigned int cpu) - { -- atomic_inc(&ap_wfs_count); -+ atomic_inc_unchecked(&ap_wfs_count); - if (num_online_cpus() == 1) { -- if (tboot_wait_for_aps(atomic_read(&ap_wfs_count))) -+ if (tboot_wait_for_aps(atomic_read_unchecked(&ap_wfs_count))) - return -EBUSY; - } - return 0; -@@ -407,7 +413,7 @@ static __init int tboot_late_init(void) - - tboot_create_trampoline(); - -- atomic_set(&ap_wfs_count, 0); -+ atomic_set_unchecked(&ap_wfs_count, 0); - cpuhp_setup_state(CPUHP_AP_X86_TBOOT_DYING, "AP_X86_TBOOT_DYING", NULL, - tboot_dying_cpu); - #ifdef CONFIG_DEBUG_FS -diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c -index d39c091..1df4349 100644 ---- a/arch/x86/kernel/time.c -+++ b/arch/x86/kernel/time.c -@@ -32,7 +32,7 @@ unsigned long profile_pc(struct pt_regs *regs) - - if (!user_mode(regs) && in_lock_functions(pc)) { - #ifdef CONFIG_FRAME_POINTER -- return *(unsigned long *)(regs->bp + sizeof(long)); -+ return ktla_ktva(*(unsigned long *)(regs->bp + sizeof(long))); - #else - unsigned long *sp = - (unsigned long *)kernel_stack_pointer(regs); -@@ -41,11 +41,17 @@ unsigned long profile_pc(struct pt_regs *regs) - * or above a saved flags. Eflags has bits 22-31 zero, - * kernel addresses don't. - */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ return ktla_ktva(sp[0]); -+#else - if (sp[0] >> 22) - return sp[0]; - if (sp[1] >> 22) - return sp[1]; - #endif -+ -+#endif - } - return pc; - } -diff --git a/arch/x86/kernel/tls.c b/arch/x86/kernel/tls.c -index 9692a5e..aea9fa5 100644 ---- a/arch/x86/kernel/tls.c -+++ b/arch/x86/kernel/tls.c -@@ -140,6 +140,11 @@ int do_set_thread_area(struct task_struct *p, int idx, - if (idx < GDT_ENTRY_TLS_MIN || idx > GDT_ENTRY_TLS_MAX) - return -EINVAL; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((p->mm->pax_flags & MF_PAX_SEGMEXEC) && (info.contents & MODIFY_LDT_CONTENTS_CODE)) -+ return -EINVAL; -+#endif -+ - set_tls_desc(p, idx, &info, 1); - - /* -@@ -298,7 +303,7 @@ int regset_tls_set(struct task_struct *target, const struct user_regset *regset, - - if (kbuf) - info = kbuf; -- else if (__copy_from_user(infobuf, ubuf, count)) -+ else if (count > sizeof infobuf || __copy_from_user(infobuf, ubuf, count)) - return -EFAULT; - else - info = infobuf; -diff --git a/arch/x86/kernel/tracepoint.c b/arch/x86/kernel/tracepoint.c -index 1c113db..287b42e 100644 ---- a/arch/x86/kernel/tracepoint.c -+++ b/arch/x86/kernel/tracepoint.c -@@ -9,11 +9,11 @@ - #include - - atomic_t trace_idt_ctr = ATOMIC_INIT(0); --struct desc_ptr trace_idt_descr = { NR_VECTORS * 16 - 1, -+const struct desc_ptr trace_idt_descr = { NR_VECTORS * 16 - 1, - (unsigned long) trace_idt_table }; - - /* No need to be aligned, but done to keep all IDTs defined the same way. */ --gate_desc trace_idt_table[NR_VECTORS] __page_aligned_bss; -+gate_desc trace_idt_table[NR_VECTORS] __page_aligned_rodata; - - static int trace_irq_vector_refcount; - static DEFINE_MUTEX(irq_vector_mutex); -diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c -index bd4e3d4..3e938e3 100644 ---- a/arch/x86/kernel/traps.c -+++ b/arch/x86/kernel/traps.c -@@ -71,7 +71,7 @@ - #include - - /* No need to be aligned, but done to keep all IDTs defined the same way. */ --gate_desc debug_idt_table[NR_VECTORS] __page_aligned_bss; -+gate_desc debug_idt_table[NR_VECTORS] __page_aligned_rodata; - #else - #include - #include -@@ -79,7 +79,7 @@ gate_desc debug_idt_table[NR_VECTORS] __page_aligned_bss; - #endif - - /* Must be page-aligned because the real IDT is used in a fixmap. */ --gate_desc idt_table[NR_VECTORS] __page_aligned_bss; -+gate_desc idt_table[NR_VECTORS] __page_aligned_rodata; - - DECLARE_BITMAP(used_vectors, NR_VECTORS); - EXPORT_SYMBOL_GPL(used_vectors); -@@ -169,7 +169,7 @@ void ist_end_non_atomic(void) - } - - static nokprobe_inline int --do_trap_no_signal(struct task_struct *tsk, int trapnr, char *str, -+do_trap_no_signal(struct task_struct *tsk, int trapnr, const char *str, - struct pt_regs *regs, long error_code) - { - if (v8086_mode(regs)) { -@@ -189,8 +189,32 @@ do_trap_no_signal(struct task_struct *tsk, int trapnr, char *str, - if (!fixup_exception(regs, trapnr)) { - tsk->thread.error_code = error_code; - tsk->thread.trap_nr = trapnr; -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (trapnr == X86_TRAP_SS && ((regs->cs & 0xFFFF) == __KERNEL_CS || (regs->cs & 0xFFFF) == __KERNEXEC_KERNEL_CS)) -+ str = "PAX: suspicious stack segment fault"; -+#endif -+ -+#ifdef CONFIG_PAX_RAP -+ if (trapnr == X86_RAP_CALL_VECTOR) { -+ str = "PAX: overwritten function pointer detected"; -+ regs->ip -= 2; // sizeof int $xx -+ } else if (trapnr == X86_RAP_RET_VECTOR) { -+ str = "PAX: overwritten return address detected"; -+ regs->ip -= 2; // sizeof int $xx -+ } -+#endif -+ - die(str, regs, error_code); - } -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ if (trapnr == X86_REFCOUNT_VECTOR) { -+ regs->ip -= 2; // sizeof int $xx -+ pax_report_refcount_error(regs, str); -+ } -+#endif -+ - return 0; - } - -@@ -229,7 +253,7 @@ static siginfo_t *fill_trap_info(struct pt_regs *regs, int signr, int trapnr, - } - - static void --do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, -+do_trap(int trapnr, int signr, const char *str, struct pt_regs *regs, - long error_code, siginfo_t *info) - { - struct task_struct *tsk = current; -@@ -252,7 +276,7 @@ do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, - if (show_unhandled_signals && unhandled_signal(tsk, signr) && - printk_ratelimit()) { - pr_info("%s[%d] trap %s ip:%lx sp:%lx error:%lx", -- tsk->comm, tsk->pid, str, -+ tsk->comm, task_pid_nr(tsk), str, - regs->ip, regs->sp, error_code); - print_vma_addr(" in ", regs->ip); - pr_cont("\n"); -@@ -262,7 +286,7 @@ do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, - } - NOKPROBE_SYMBOL(do_trap); - --static void do_error_trap(struct pt_regs *regs, long error_code, char *str, -+static void do_error_trap(struct pt_regs *regs, long error_code, const char *str, - unsigned long trapnr, int signr) - { - siginfo_t info; -@@ -292,7 +316,7 @@ DO_ERROR(X86_TRAP_NP, SIGBUS, "segment not present", segment_not_present) - DO_ERROR(X86_TRAP_SS, SIGBUS, "stack segment", stack_segment) - DO_ERROR(X86_TRAP_AC, SIGBUS, "alignment check", alignment_check) - --#ifdef CONFIG_VMAP_STACK -+#if defined(CONFIG_VMAP_STACK) || defined(CONFIG_GRKERNSEC_KSTACKOVERFLOW) - __visible void __noreturn handle_stack_overflow(const char *message, - struct pt_regs *regs, - unsigned long fault_address) -@@ -307,13 +331,49 @@ __visible void __noreturn handle_stack_overflow(const char *message, - } - #endif - -+#ifdef CONFIG_PAX_REFCOUNT -+extern char __refcount_overflow_start[], __refcount_overflow_end[]; -+extern char __refcount64_overflow_start[], __refcount64_overflow_end[]; -+extern char __refcount_underflow_start[], __refcount_underflow_end[]; -+extern char __refcount64_underflow_start[], __refcount64_underflow_end[]; -+ -+dotraplinkage void do_refcount_error(struct pt_regs *regs, long error_code) -+{ -+ const char *str = NULL; -+ -+ BUG_ON(!(regs->flags & X86_EFLAGS_OF)); -+ -+#define range_check(size, direction, type, value) \ -+ if ((unsigned long)__##size##_##direction##_start <= regs->ip && \ -+ regs->ip < (unsigned long)__##size##_##direction##_end) { \ -+ *(type *)regs->cx = value; \ -+ str = #size " " #direction; \ -+ } -+ -+ range_check(refcount, overflow, int, INT_MAX) -+ range_check(refcount64, overflow, long long, LLONG_MAX) -+ range_check(refcount, underflow, int, INT_MIN) -+ range_check(refcount64, underflow, long long, LLONG_MIN) -+ -+#undef range_check -+ -+ BUG_ON(!str); -+ do_error_trap(regs, error_code, str, X86_REFCOUNT_VECTOR, SIGILL); -+} -+#endif -+ -+#ifdef CONFIG_PAX_RAP -+DO_ERROR(X86_RAP_CALL_VECTOR, SIGILL, "RAP call violation", rap_call_error) -+DO_ERROR(X86_RAP_RET_VECTOR, SIGILL, "RAP return violation", rap_ret_error) -+#endif -+ - #ifdef CONFIG_X86_64 - /* Runs on IST stack */ - dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code) - { - static const char str[] = "double fault"; - struct task_struct *tsk = current; --#ifdef CONFIG_VMAP_STACK -+#if defined(CONFIG_VMAP_STACK) || defined(CONFIG_GRKERNSEC_KSTACKOVERFLOW) - unsigned long cr2; - #endif - -@@ -350,7 +410,7 @@ dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code) - tsk->thread.error_code = error_code; - tsk->thread.trap_nr = X86_TRAP_DF; - --#ifdef CONFIG_VMAP_STACK -+#if defined(CONFIG_VMAP_STACK) || defined(CONFIG_GRKERNSEC_KSTACKOVERFLOW) - /* - * If we overflow the stack into a guard page, the CPU will fail - * to deliver #PF and will send #DF instead. Similarly, if we -@@ -390,8 +450,12 @@ dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code) - */ - cr2 = read_cr2(); - if ((unsigned long)task_stack_page(tsk) - 1 - cr2 < PAGE_SIZE) -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ handle_stack_overflow("grsec: kernel stack overflow detected", regs, cr2); -+#else - handle_stack_overflow("kernel stack overflow (double-fault)", regs, cr2); - #endif -+#endif - - #ifdef CONFIG_DOUBLEFAULT - df_debug(regs, error_code); -@@ -505,11 +569,35 @@ do_general_protection(struct pt_regs *regs, long error_code) - tsk->thread.error_code = error_code; - tsk->thread.trap_nr = X86_TRAP_GP; - if (notify_die(DIE_GPF, "general protection fault", regs, error_code, -- X86_TRAP_GP, SIGSEGV) != NOTIFY_STOP) -+ X86_TRAP_GP, SIGSEGV) != NOTIFY_STOP) { -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if ((regs->cs & 0xFFFF) == __KERNEL_CS || (regs->cs & 0xFFFF) == __KERNEXEC_KERNEL_CS) -+ die("PAX: suspicious general protection fault", regs, error_code); -+ else -+#endif -+ - die("general protection fault", regs, error_code); -+ } - return; - } - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) -+ if (!(__supported_pte_mask & _PAGE_NX) && tsk->mm && (tsk->mm->pax_flags & MF_PAX_PAGEEXEC)) { -+ struct mm_struct *mm = tsk->mm; -+ unsigned long limit; -+ -+ down_write(&mm->mmap_sem); -+ limit = mm->context.user_cs_limit; -+ if (limit < TASK_SIZE) { -+ track_exec_limit(mm, limit, TASK_SIZE, VM_EXEC); -+ up_write(&mm->mmap_sem); -+ return; -+ } -+ up_write(&mm->mmap_sem); -+ } -+#endif -+ - tsk->thread.error_code = error_code; - tsk->thread.trap_nr = X86_TRAP_GP; - -@@ -607,6 +695,9 @@ struct bad_iret_stack *fixup_bad_iret(struct bad_iret_stack *s) - container_of(task_pt_regs(current), - struct bad_iret_stack, regs); - -+ if ((current->thread.sp0 ^ (unsigned long)s) < THREAD_SIZE) -+ new_stack = s; -+ - /* Copy the IRET target to the new stack. */ - memmove(&new_stack->regs.ip, (void *)s->regs.sp, 5*8); - -@@ -778,7 +869,7 @@ dotraplinkage void do_debug(struct pt_regs *regs, long error_code) - * This is the most likely code path that involves non-trivial use - * of the SYSENTER stack. Check that we haven't overrun it. - */ -- WARN(this_cpu_read(cpu_tss.SYSENTER_stack_canary) != STACK_END_MAGIC, -+ WARN(cpu_tss[raw_smp_processor_id()].SYSENTER_stack_canary != STACK_END_MAGIC, - "Overran or corrupted SYSENTER stack\n"); - #endif - ist_exit(regs); -@@ -908,7 +999,7 @@ void __init early_trap_init(void) - * since we don't have trace_debug and it will be reset to - * 'debug' in trap_init() by set_intr_gate_ist(). - */ -- set_intr_gate_notrace(X86_TRAP_DB, debug); -+ set_intr_gate_notrace(X86_TRAP_DB, int1); - /* int3 can be called from all */ - set_system_intr_gate(X86_TRAP_BP, &int3); - #ifdef CONFIG_X86_32 -@@ -975,6 +1066,19 @@ void __init trap_init(void) - set_bit(IA32_SYSCALL_VECTOR, used_vectors); - #endif - -+#ifdef CONFIG_PAX_REFCOUNT -+ set_intr_gate(X86_REFCOUNT_VECTOR, refcount_error); -+ set_bit(X86_REFCOUNT_VECTOR, used_vectors); -+#endif -+ -+#ifdef CONFIG_PAX_RAP -+ set_intr_gate(X86_RAP_CALL_VECTOR, rap_call_error); -+ set_bit(X86_RAP_CALL_VECTOR, used_vectors); -+ -+ set_intr_gate(X86_RAP_RET_VECTOR, rap_ret_error); -+ set_bit(X86_RAP_RET_VECTOR, used_vectors); -+#endif -+ - /* - * Set the IDT descriptor to a fixed read-only location, so that the - * "sidt" instruction will not leak the location of the kernel, and -@@ -993,7 +1097,7 @@ void __init trap_init(void) - * in early_trap_init(). However, ITS works only after - * cpu_init() loads TSS. See comments in early_trap_init(). - */ -- set_intr_gate_ist(X86_TRAP_DB, &debug, DEBUG_STACK); -+ set_intr_gate_ist(X86_TRAP_DB, &int1, DEBUG_STACK); - /* int3 can be called from all */ - set_system_intr_gate_ist(X86_TRAP_BP, &int3, DEBUG_STACK); - -@@ -1001,7 +1105,7 @@ void __init trap_init(void) - - #ifdef CONFIG_X86_64 - memcpy(&debug_idt_table, &idt_table, IDT_ENTRIES * 16); -- set_nmi_gate(X86_TRAP_DB, &debug); -+ set_nmi_gate(X86_TRAP_DB, &int1); - set_nmi_gate(X86_TRAP_BP, &int3); - #endif - } -diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c -index eea88fe..443da46 100644 ---- a/arch/x86/kernel/tsc.c -+++ b/arch/x86/kernel/tsc.c -@@ -24,6 +24,7 @@ - #include - #include - #include -+#include - - unsigned int __read_mostly cpu_khz; /* TSC clocks / usec, not used here */ - EXPORT_SYMBOL(cpu_khz); -@@ -158,7 +159,7 @@ static void cyc2ns_write_end(int cpu, struct cyc2ns_data *data) - */ - smp_wmb(); - -- ACCESS_ONCE(c2n->head) = data; -+ ACCESS_ONCE_RW(c2n->head) = data; - } - - /* -@@ -289,7 +290,7 @@ static void set_cyc2ns_scale(unsigned long khz, int cpu) - /* - * Scheduler clock - returns current time in nanosec units. - */ --u64 native_sched_clock(void) -+unsigned long long native_sched_clock(void) - { - if (static_branch_likely(&__use_tsc)) { - u64 tsc_now = rdtsc(); -@@ -998,7 +999,9 @@ static int time_cpufreq_notifier(struct notifier_block *nb, unsigned long val, - } - if ((val == CPUFREQ_PRECHANGE && freq->old < freq->new) || - (val == CPUFREQ_POSTCHANGE && freq->old > freq->new)) { -+ pax_open_kernel(); - *lpj = cpufreq_scale(loops_per_jiffy_ref, ref_freq, freq->new); -+ pax_close_kernel(); - - tsc_khz = cpufreq_scale(tsc_khz_ref, ref_freq, freq->new); - if (!(freq->flags & CPUFREQ_CONST_LOOPS)) -diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c -index 495c776..c0427ef 100644 ---- a/arch/x86/kernel/uprobes.c -+++ b/arch/x86/kernel/uprobes.c -@@ -287,7 +287,7 @@ static int uprobe_init_insn(struct arch_uprobe *auprobe, struct insn *insn, bool - { - u32 volatile *good_insns; - -- insn_init(insn, auprobe->insn, sizeof(auprobe->insn), x86_64); -+ insn_init(insn, (void *)ktva_ktla((unsigned long)auprobe->insn), sizeof(auprobe->insn), x86_64); - /* has the side-effect of processing the entire instruction */ - insn_get_length(insn); - if (WARN_ON_ONCE(!insn_complete(insn))) -@@ -978,7 +978,7 @@ arch_uretprobe_hijack_return_addr(unsigned long trampoline_vaddr, struct pt_regs - - if (nleft != rasize) { - pr_err("uprobe: return address clobbered: pid=%d, %%sp=%#lx, " -- "%%ip=%#lx\n", current->pid, regs->sp, regs->ip); -+ "%%ip=%#lx\n", task_pid_nr(current), regs->sp, regs->ip); - - force_sig_info(SIGSEGV, SEND_SIG_FORCED, current); - } -diff --git a/arch/x86/kernel/verify_cpu.S b/arch/x86/kernel/verify_cpu.S -index 014ea59..03cfe40 100644 ---- a/arch/x86/kernel/verify_cpu.S -+++ b/arch/x86/kernel/verify_cpu.S -@@ -20,6 +20,7 @@ - * arch/x86/boot/compressed/head_64.S: Boot cpu verification - * arch/x86/kernel/trampoline_64.S: secondary processor verification - * arch/x86/kernel/head_32.S: processor startup -+ * arch/x86/kernel/acpi/realmode/wakeup.S: 32bit processor resume - * - * verify_cpu, returns the status of longmode and SSE in register %eax. - * 0: Success 1: Failure -diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c -index 01f30e5..a304a4c 100644 ---- a/arch/x86/kernel/vm86_32.c -+++ b/arch/x86/kernel/vm86_32.c -@@ -144,7 +144,7 @@ void save_v86_state(struct kernel_vm86_regs *regs, int retval) - do_exit(SIGSEGV); - } - -- tss = &per_cpu(cpu_tss, get_cpu()); -+ tss = cpu_tss + get_cpu(); - tsk->thread.sp0 = vm86->saved_sp0; - tsk->thread.sysenter_cs = __KERNEL_CS; - load_sp0(tss, &tsk->thread); -@@ -176,10 +176,8 @@ static void mark_screen_rdonly(struct mm_struct *mm) - goto out; - pmd = pmd_offset(pud, 0xA0000); - -- if (pmd_trans_huge(*pmd)) { -- struct vm_area_struct *vma = find_vma(mm, 0xA0000); -- split_huge_pmd(vma, pmd, 0xA0000); -- } -+ if (pmd_trans_huge(*pmd)) -+ split_huge_pmd(find_vma(mm, 0xA0000), pmd, 0xA0000); - if (pmd_none_or_clear_bad(pmd)) - goto out; - pte = pte_offset_map_lock(mm, pmd, 0xA0000, &ptl); -@@ -263,6 +261,13 @@ static long do_sys_vm86(struct vm86plus_struct __user *user_vm86, bool plus) - return -EPERM; - } - -+#ifdef CONFIG_GRKERNSEC_VM86 -+ if (!capable(CAP_SYS_RAWIO)) { -+ gr_handle_vm86(); -+ return -EPERM; -+ } -+#endif -+ - if (!vm86) { - if (!(vm86 = kzalloc(sizeof(*vm86), GFP_KERNEL))) - return -ENOMEM; -@@ -358,7 +363,7 @@ static long do_sys_vm86(struct vm86plus_struct __user *user_vm86, bool plus) - vm86->saved_sp0 = tsk->thread.sp0; - lazy_save_gs(vm86->regs32.gs); - -- tss = &per_cpu(cpu_tss, get_cpu()); -+ tss = cpu_tss + get_cpu(); - /* make room for real-mode segments */ - tsk->thread.sp0 += 16; - -@@ -538,7 +543,7 @@ static void do_int(struct kernel_vm86_regs *regs, int i, - goto cannot_handle; - if (i == 0x21 && is_revectored(AH(regs), &vm86->int21_revectored)) - goto cannot_handle; -- intr_ptr = (unsigned long __user *) (i << 2); -+ intr_ptr = (unsigned long __force_user *) (i << 2); - if (get_user(segoffs, intr_ptr)) - goto cannot_handle; - if ((segoffs >> 16) == BIOSSEG) -@@ -831,6 +836,14 @@ static inline int get_and_reset_irq(int irqnumber) - static int do_vm86_irq_handling(int subfunction, int irqnumber) - { - int ret; -+ -+#ifdef CONFIG_GRKERNSEC_VM86 -+ if (!capable(CAP_SYS_RAWIO)) { -+ gr_handle_vm86(); -+ return -EPERM; -+ } -+#endif -+ - switch (subfunction) { - case VM86_GET_AND_RESET_IRQ: { - return get_and_reset_irq(irqnumber); -diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S -index dbf67f6..2836431 100644 ---- a/arch/x86/kernel/vmlinux.lds.S -+++ b/arch/x86/kernel/vmlinux.lds.S -@@ -26,6 +26,13 @@ - #include - #include - #include -+#include -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+#define __KERNEL_TEXT_OFFSET (LOAD_OFFSET + ____LOAD_PHYSICAL_ADDR) -+#else -+#define __KERNEL_TEXT_OFFSET 0 -+#endif - - #undef i386 /* in case the preprocessor is a 32bit one */ - -@@ -68,30 +75,44 @@ jiffies_64 = jiffies; - - PHDRS { - text PT_LOAD FLAGS(5); /* R_E */ -+#ifdef CONFIG_X86_32 -+ module PT_LOAD FLAGS(5); /* R_E */ -+#endif -+#ifdef CONFIG_XEN -+ rodata PT_LOAD FLAGS(5); /* R_E */ -+#else -+ rodata PT_LOAD FLAGS(4); /* R__ */ -+#endif - data PT_LOAD FLAGS(6); /* RW_ */ --#ifdef CONFIG_X86_64 -+ init.begin PT_LOAD FLAGS(6); /* RW_ */ - #ifdef CONFIG_SMP - percpu PT_LOAD FLAGS(6); /* RW_ */ - #endif -- init PT_LOAD FLAGS(7); /* RWE */ --#endif -+ text.init PT_LOAD FLAGS(5); /* R_E */ -+ text.exit PT_LOAD FLAGS(5); /* R_E */ -+ init PT_LOAD FLAGS(6); /* RW_ */ - note PT_NOTE FLAGS(0); /* ___ */ - } - - SECTIONS - { - #ifdef CONFIG_X86_32 -- . = LOAD_OFFSET + LOAD_PHYSICAL_ADDR; -- phys_startup_32 = ABSOLUTE(startup_32 - LOAD_OFFSET); -+ . = LOAD_OFFSET + ____LOAD_PHYSICAL_ADDR; - #else - . = __START_KERNEL; -- phys_startup_64 = ABSOLUTE(startup_64 - LOAD_OFFSET); - #endif - - /* Text and read-only data */ -- .text : AT(ADDR(.text) - LOAD_OFFSET) { -- _text = .; -+ .text (. - __KERNEL_TEXT_OFFSET): AT(ADDR(.text) - LOAD_OFFSET + __KERNEL_TEXT_OFFSET) { - /* bootstrapping code */ -+#ifdef CONFIG_X86_32 -+ phys_startup_32 = ABSOLUTE(startup_32 - LOAD_OFFSET + __KERNEL_TEXT_OFFSET); -+ __LOAD_PHYSICAL_ADDR = . - LOAD_OFFSET + __KERNEL_TEXT_OFFSET; -+#else -+ phys_startup_64 = ABSOLUTE(startup_64 - LOAD_OFFSET + __KERNEL_TEXT_OFFSET); -+ __LOAD_PHYSICAL_ADDR = ABSOLUTE(. - LOAD_OFFSET + __KERNEL_TEXT_OFFSET); -+#endif -+ _text = .; - HEAD_TEXT - . = ALIGN(8); - _stext = .; -@@ -105,13 +126,35 @@ SECTIONS - SOFTIRQENTRY_TEXT - *(.fixup) - *(.gnu.warning) -- /* End of text section */ -- _etext = .; - } :text = 0x9090 - -- NOTES :text :note -+ . += __KERNEL_TEXT_OFFSET; - -- EXCEPTION_TABLE(16) :text = 0x9090 -+#ifdef CONFIG_X86_32 -+ . = ALIGN(PAGE_SIZE); -+ .module.text : AT(ADDR(.module.text) - LOAD_OFFSET) { -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ MODULES_EXEC_VADDR = .; -+ BYTE(0) -+ . += (CONFIG_PAX_KERNEXEC_MODULE_TEXT * 1024 * 1024); -+ . = ALIGN(HPAGE_SIZE) - 1; -+ MODULES_EXEC_END = .; -+#endif -+ -+ } :module -+#endif -+ -+ .text.end : AT(ADDR(.text.end) - LOAD_OFFSET) { -+ /* End of text section */ -+ BYTE(0) -+ _etext = . - __KERNEL_TEXT_OFFSET; -+ } -+ -+ . = ALIGN(PAGE_SIZE); -+ NOTES :rodata :note -+ -+ EXCEPTION_TABLE(16) :rodata - - /* .text should occupy whole number of pages */ - . = ALIGN(PAGE_SIZE); -@@ -121,16 +164,20 @@ SECTIONS - - /* Data */ - .data : AT(ADDR(.data) - LOAD_OFFSET) { -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ . = ALIGN(HPAGE_SIZE); -+#else -+ . = ALIGN(PAGE_SIZE); -+#endif -+ - /* Start of data section */ - _sdata = .; - - /* init_task */ - INIT_TASK_DATA(THREAD_SIZE) - --#ifdef CONFIG_X86_32 -- /* 32 bit has nosave before _edata */ - NOSAVE_DATA --#endif - - PAGE_ALIGNED_DATA(PAGE_SIZE) - -@@ -173,12 +220,19 @@ SECTIONS - . = ALIGN(__vvar_page + PAGE_SIZE, PAGE_SIZE); - - /* Init code and data - will be freed after init */ -- . = ALIGN(PAGE_SIZE); - .init.begin : AT(ADDR(.init.begin) - LOAD_OFFSET) { -+ BYTE(0) -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ . = ALIGN(HPAGE_SIZE); -+#else -+ . = ALIGN(PAGE_SIZE); -+#endif -+ - __init_begin = .; /* paired with __init_end */ -- } -+ } :init.begin - --#if defined(CONFIG_X86_64) && defined(CONFIG_SMP) -+#ifdef CONFIG_SMP - /* - * percpu offsets are zero-based on SMP. PERCPU_VADDR() changes the - * output PHDR, so the next output section - .init.text - should -@@ -189,10 +243,13 @@ SECTIONS - "per-CPU data too large - increase CONFIG_PHYSICAL_START") - #endif - -- INIT_TEXT_SECTION(PAGE_SIZE) --#ifdef CONFIG_X86_64 -- :init --#endif -+ . = ALIGN(PAGE_SIZE); -+ init_begin = .; -+ .init.text (. - __KERNEL_TEXT_OFFSET): AT(init_begin - LOAD_OFFSET) { -+ VMLINUX_SYMBOL(_sinittext) = .; -+ INIT_TEXT -+ . = ALIGN(PAGE_SIZE); -+ } :text.init - - /* - * Section for code used exclusively before alternatives are run. All -@@ -201,11 +258,29 @@ SECTIONS - * - * See static_cpu_has() for an example. - */ -- .altinstr_aux : AT(ADDR(.altinstr_aux) - LOAD_OFFSET) { -+ .altinstr_aux : AT(ADDR(.altinstr_aux) - LOAD_OFFSET + __KERNEL_TEXT_OFFSET) { - *(.altinstr_aux) - } - -- INIT_DATA_SECTION(16) -+ /* -+ * .exit.text is discard at runtime, not link time, to deal with -+ * references from .altinstructions and .eh_frame -+ */ -+ .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET + __KERNEL_TEXT_OFFSET) { -+ EXIT_TEXT -+ VMLINUX_SYMBOL(_einittext) = .; -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ . = ALIGN(HPAGE_SIZE); -+#else -+ . = ALIGN(16); -+#endif -+ -+ } :text.exit -+ . = init_begin + SIZEOF(.init.text) + SIZEOF(.altinstr_aux) + SIZEOF(.exit.text); -+ -+ . = ALIGN(PAGE_SIZE); -+ INIT_DATA_SECTION(16) :init - - .x86_cpu_dev.init : AT(ADDR(.x86_cpu_dev.init) - LOAD_OFFSET) { - __x86_cpu_dev_start = .; -@@ -276,19 +351,12 @@ SECTIONS - } - - . = ALIGN(8); -- /* -- * .exit.text is discard at runtime, not link time, to deal with -- * references from .altinstructions and .eh_frame -- */ -- .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { -- EXIT_TEXT -- } - - .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { - EXIT_DATA - } - --#if !defined(CONFIG_X86_64) || !defined(CONFIG_SMP) -+#ifndef CONFIG_SMP - PERCPU_SECTION(INTERNODE_CACHE_BYTES) - #endif - -@@ -307,16 +375,10 @@ SECTIONS - .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) { - __smp_locks = .; - *(.smp_locks) -- . = ALIGN(PAGE_SIZE); - __smp_locks_end = .; -+ . = ALIGN(PAGE_SIZE); - } - --#ifdef CONFIG_X86_64 -- .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { -- NOSAVE_DATA -- } --#endif -- - /* BSS */ - . = ALIGN(PAGE_SIZE); - .bss : AT(ADDR(.bss) - LOAD_OFFSET) { -@@ -332,6 +394,7 @@ SECTIONS - __brk_base = .; - . += 64 * 1024; /* 64k alignment slop space */ - *(.brk_reservation) /* areas brk users have reserved */ -+ . = ALIGN(HPAGE_SIZE); - __brk_limit = .; - } - -@@ -362,13 +425,12 @@ SECTIONS - * for the boot processor. - */ - #define INIT_PER_CPU(x) init_per_cpu__##x = x + __per_cpu_load --INIT_PER_CPU(gdt_page); - INIT_PER_CPU(irq_stack_union); - - /* - * Build-time check on the image size: - */ --. = ASSERT((_end - _text <= KERNEL_IMAGE_SIZE), -+. = ASSERT((_end - _text - __KERNEL_TEXT_OFFSET <= KERNEL_IMAGE_SIZE), - "kernel image bigger than KERNEL_IMAGE_SIZE"); - - #ifdef CONFIG_SMP -diff --git a/arch/x86/kernel/vsmp_64.c b/arch/x86/kernel/vsmp_64.c -index b034b1b..61b3eef 100644 ---- a/arch/x86/kernel/vsmp_64.c -+++ b/arch/x86/kernel/vsmp_64.c -@@ -117,11 +117,13 @@ static void __init set_vsmp_pv_ops(void) - - if (cap & ctl & (1 << 4)) { - /* Setup irq ops and turn on vSMP IRQ fastpath handling */ -- pv_irq_ops.irq_disable = PV_CALLEE_SAVE(vsmp_irq_disable); -- pv_irq_ops.irq_enable = PV_CALLEE_SAVE(vsmp_irq_enable); -- pv_irq_ops.save_fl = PV_CALLEE_SAVE(vsmp_save_fl); -- pv_irq_ops.restore_fl = PV_CALLEE_SAVE(vsmp_restore_fl); -+ pax_open_kernel(); -+ pv_irq_ops.irq_disable = PV_CALLEE_SAVE(irq_disable, vsmp_irq_disable); -+ pv_irq_ops.irq_enable = PV_CALLEE_SAVE(irq_enable, vsmp_irq_enable); -+ pv_irq_ops.save_fl = PV_CALLEE_SAVE(save_fl, vsmp_save_fl); -+ pv_irq_ops.restore_fl = PV_CALLEE_SAVE(restore_fl, vsmp_restore_fl); - pv_init_ops.patch = vsmp_patch; -+ pax_close_kernel(); - ctl &= ~(1 << 4); - } - writel(ctl, address + 4); -diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c -index 9f676ad..7024de4 100644 ---- a/arch/x86/kvm/emulate.c -+++ b/arch/x86/kvm/emulate.c -@@ -25,6 +25,7 @@ - #include - #include - #include -+#include - - #include "x86.h" - #include "tss.h" -@@ -220,7 +221,7 @@ struct opcode { - void (*fastop)(struct fastop *fake); - } u; - int (*check_perm)(struct x86_emulate_ctxt *ctxt); --}; -+} __rap_hash; - - struct group_dual { - struct opcode mod012[8]; -@@ -425,25 +426,6 @@ static int fastop(struct x86_emulate_ctxt *ctxt, void (*fop)(struct fastop *)); - asm(".global kvm_fastop_exception \n" - "kvm_fastop_exception: xor %esi, %esi; ret"); - --FOP_START(setcc) --FOP_SETCC(seto) --FOP_SETCC(setno) --FOP_SETCC(setc) --FOP_SETCC(setnc) --FOP_SETCC(setz) --FOP_SETCC(setnz) --FOP_SETCC(setbe) --FOP_SETCC(setnbe) --FOP_SETCC(sets) --FOP_SETCC(setns) --FOP_SETCC(setp) --FOP_SETCC(setnp) --FOP_SETCC(setl) --FOP_SETCC(setnl) --FOP_SETCC(setle) --FOP_SETCC(setnle) --FOP_END; -- - FOP_START(salc) "pushf; sbb %al, %al; popf \n\t" FOP_RET - FOP_END; - -@@ -1006,14 +988,82 @@ static int em_bsr_c(struct x86_emulate_ctxt *ctxt) - return fastop(ctxt, em_bsr); - } - --static __always_inline u8 test_cc(unsigned int condition, unsigned long flags) -+static unsigned int test_cc(unsigned int condition, unsigned int flags) - { -- u8 rc; -- void (*fop)(void) = (void *)em_setcc + 4 * (condition & 0xf); -+ unsigned int rc; -+ -+ switch (condition & 0xf) { -+ case 0: -+ rc = flags & X86_EFLAGS_OF; -+ break; -+ -+ case 1: -+ rc = ~flags & X86_EFLAGS_OF; -+ break; -+ -+ case 2: -+ rc = flags & X86_EFLAGS_CF; -+ break; -+ -+ case 3: -+ rc = ~flags & X86_EFLAGS_CF; -+ break; -+ -+ case 4: -+ rc = flags & X86_EFLAGS_ZF; -+ break; -+ -+ case 5: -+ rc = ~flags & X86_EFLAGS_ZF; -+ break; -+ -+ case 6: -+ rc = flags & (X86_EFLAGS_CF | X86_EFLAGS_ZF); -+ break; -+ -+ case 7: -+ rc = (flags & (X86_EFLAGS_CF | X86_EFLAGS_ZF)) ? 0 : 1; -+ break; -+ -+ case 8: -+ rc = flags & X86_EFLAGS_SF; -+ break; -+ -+ case 9: -+ rc = ~flags & X86_EFLAGS_SF; -+ break; -+ -+ case 10: -+ rc = flags & X86_EFLAGS_PF; -+ break; -+ -+ case 11: -+ rc = ~flags & X86_EFLAGS_PF; -+ break; -+ -+ case 12: -+ rc = flags & X86_EFLAGS_SF; -+ rc ^= (flags & X86_EFLAGS_OF) >> (X86_EFLAGS_OF_BIT - X86_EFLAGS_SF_BIT); -+ break; -+ -+ case 13: -+ rc = ~flags & X86_EFLAGS_SF; -+ rc ^= (flags & X86_EFLAGS_OF) >> (X86_EFLAGS_OF_BIT - X86_EFLAGS_SF_BIT); -+ break; -+ -+ case 14: -+ rc = flags & X86_EFLAGS_SF; -+ rc ^= (flags & X86_EFLAGS_OF) >> (X86_EFLAGS_OF_BIT - X86_EFLAGS_SF_BIT); -+ rc |= flags & X86_EFLAGS_ZF; -+ break; -+ -+ case 15: -+ rc = ~flags & X86_EFLAGS_SF; -+ rc ^= (flags & X86_EFLAGS_OF) >> (X86_EFLAGS_OF_BIT - X86_EFLAGS_SF_BIT); -+ rc &= (~flags & X86_EFLAGS_ZF) << (X86_EFLAGS_SF_BIT - X86_EFLAGS_ZF_BIT); -+ break; -+ } - -- flags = (flags & EFLAGS_MASK) | X86_EFLAGS_IF; -- asm("push %[flags]; popf; call *%[fastop]" -- : "=a"(rc) : [fastop]"r"(fop), [flags]"r"(flags)); - return rc; - } - -@@ -1959,7 +2009,7 @@ static int em_push_sreg(struct x86_emulate_ctxt *ctxt) - static int em_pop_sreg(struct x86_emulate_ctxt *ctxt) - { - int seg = ctxt->src2.val; -- unsigned long selector; -+ u16 selector; - int rc; - - rc = emulate_pop(ctxt, &selector, 2); -@@ -1971,7 +2021,7 @@ static int em_pop_sreg(struct x86_emulate_ctxt *ctxt) - if (ctxt->op_bytes > 2) - rsp_increment(ctxt, ctxt->op_bytes - 2); - -- rc = load_segment_descriptor(ctxt, (u16)selector, seg); -+ rc = load_segment_descriptor(ctxt, selector, seg); - return rc; - } - -@@ -4059,7 +4109,7 @@ static int check_cr_write(struct x86_emulate_ctxt *ctxt) - int cr = ctxt->modrm_reg; - u64 efer = 0; - -- static u64 cr_reserved_bits[] = { -+ static const u64 cr_reserved_bits[] = { - 0xffffffff00000000ULL, - 0, 0, 0, /* CR3 checked later */ - CR4_RESERVED_BITS, -@@ -5147,7 +5197,10 @@ int x86_decode_insn(struct x86_emulate_ctxt *ctxt, void *insn, int insn_len) - if (ctxt->d == 0) - return EMULATION_FAILED; - -- ctxt->execute = opcode.u.execute; -+ if (ctxt->d & Fastop) -+ ctxt->u.fastop = opcode.u.fastop; -+ else -+ ctxt->u.execute = opcode.u.execute; - - if (unlikely(ctxt->ud) && likely(!(ctxt->d & EmulateOnUD))) - return EMULATION_FAILED; -@@ -5286,7 +5339,7 @@ static int fastop(struct x86_emulate_ctxt *ctxt, void (*fop)(struct fastop *)) - if (!(ctxt->d & ByteOp)) - fop += __ffs(ctxt->dst.bytes) * FASTOP_SIZE; - -- asm("push %[flags]; popf; call *%[fastop]; pushf; pop %[flags]\n" -+ asm("push %[flags]; popf;" PAX_INDIRECT_CALL("*%[fastop]", "opcode.u.fastop") "; pushf; pop %[flags]\n" - : "+a"(ctxt->dst.val), "+d"(ctxt->src.val), [flags]"+D"(flags), - [fastop]"+S"(fop), "+r"(__sp) - : "c"(ctxt->src2.val)); -@@ -5454,15 +5507,14 @@ int x86_emulate_insn(struct x86_emulate_ctxt *ctxt) - else - ctxt->eflags &= ~X86_EFLAGS_RF; - -- if (ctxt->execute) { -+ if (ctxt->u.execute) { - if (ctxt->d & Fastop) { -- void (*fop)(struct fastop *) = (void *)ctxt->execute; -- rc = fastop(ctxt, fop); -+ rc = fastop(ctxt, ctxt->u.fastop); - if (rc != X86EMUL_CONTINUE) - goto done; - goto writeback; - } -- rc = ctxt->execute(ctxt); -+ rc = ctxt->u.execute(ctxt); - if (rc != X86EMUL_CONTINUE) - goto done; - goto writeback; -diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c -index 7cc2360..6ae1236 100644 ---- a/arch/x86/kvm/i8259.c -+++ b/arch/x86/kvm/i8259.c -@@ -39,14 +39,14 @@ - - static void pic_irq_request(struct kvm *kvm, int level); - -+static void pic_lock(struct kvm_pic *s) __acquires(&s->lock); - static void pic_lock(struct kvm_pic *s) -- __acquires(&s->lock) - { - spin_lock(&s->lock); - } - -+static void pic_unlock(struct kvm_pic *s) __releases(&s->lock); - static void pic_unlock(struct kvm_pic *s) -- __releases(&s->lock) - { - bool wakeup = s->wakeup_needed; - struct kvm_vcpu *vcpu, *found = NULL; -@@ -72,6 +72,7 @@ static void pic_unlock(struct kvm_pic *s) - } - } - -+static void pic_clear_isr(struct kvm_kpic_state *s, int irq) __must_hold(s->pics_state); - static void pic_clear_isr(struct kvm_kpic_state *s, int irq) - { - s->isr &= ~(1 << irq); -@@ -219,6 +220,7 @@ void kvm_pic_clear_all(struct kvm_pic *s, int irq_source_id) - /* - * acknowledge interrupt 'irq' - */ -+static inline void pic_intack(struct kvm_kpic_state *s, int irq) __must_hold(s); - static inline void pic_intack(struct kvm_kpic_state *s, int irq) - { - s->isr |= 1 << irq; -@@ -273,6 +275,7 @@ int kvm_pic_read_irq(struct kvm *kvm) - return intno; - } - -+void kvm_pic_reset(struct kvm_kpic_state *s) __must_hold(s); - void kvm_pic_reset(struct kvm_kpic_state *s) - { - int irq, i; -@@ -307,6 +310,7 @@ void kvm_pic_reset(struct kvm_kpic_state *s) - pic_clear_isr(s, irq); - } - -+static void pic_ioport_write(void *opaque, u32 addr, u32 val) __must_hold(opaque); - static void pic_ioport_write(void *opaque, u32 addr, u32 val) - { - struct kvm_kpic_state *s = opaque; -@@ -400,6 +404,7 @@ static void pic_ioport_write(void *opaque, u32 addr, u32 val) - } - } - -+static u32 pic_poll_read(struct kvm_kpic_state *s, u32 addr1) __must_hold(s); - static u32 pic_poll_read(struct kvm_kpic_state *s, u32 addr1) - { - int ret; -@@ -422,6 +427,7 @@ static u32 pic_poll_read(struct kvm_kpic_state *s, u32 addr1) - return ret; - } - -+static u32 pic_ioport_read(void *opaque, u32 addr1) __must_hold(opaque); - static u32 pic_ioport_read(void *opaque, u32 addr1) - { - struct kvm_kpic_state *s = opaque; -diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c -index 6e219e5..ccaf115 100644 ---- a/arch/x86/kvm/ioapic.c -+++ b/arch/x86/kvm/ioapic.c -@@ -415,6 +415,8 @@ static void kvm_ioapic_eoi_inject_work(struct work_struct *work) - #define IOAPIC_SUCCESSIVE_IRQ_MAX_COUNT 10000 - - static void __kvm_ioapic_update_eoi(struct kvm_vcpu *vcpu, -+ struct kvm_ioapic *ioapic, int vector, int trigger_mode) __must_hold(&ioapic->lock); -+static void __kvm_ioapic_update_eoi(struct kvm_vcpu *vcpu, - struct kvm_ioapic *ioapic, int vector, int trigger_mode) - { - struct dest_map *dest_map = &ioapic->rtc_status.dest_map; -diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c -index 3f05c04..b79e6ea 100644 ---- a/arch/x86/kvm/lapic.c -+++ b/arch/x86/kvm/lapic.c -@@ -57,7 +57,7 @@ - #define APIC_BUS_CYCLE_NS 1 - - /* #define apic_debug(fmt,arg...) printk(KERN_WARNING fmt,##arg) */ --#define apic_debug(fmt, arg...) -+#define apic_debug(fmt, arg...) do {} while (0) - - /* 14 is the version for Xeon and Pentium 8.4.8*/ - #define APIC_VERSION (0x14UL | ((KVM_APIC_LVT_NUM - 1) << 16)) -diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h -index a011054..da14b47 100644 ---- a/arch/x86/kvm/paging_tmpl.h -+++ b/arch/x86/kvm/paging_tmpl.h -@@ -355,7 +355,7 @@ static int FNAME(walk_addr_generic)(struct guest_walker *walker, - if (unlikely(kvm_is_error_hva(host_addr))) - goto error; - -- ptep_user = (pt_element_t __user *)((void *)host_addr + offset); -+ ptep_user = (pt_element_t __force_user *)((void *)host_addr + offset); - if (unlikely(__copy_from_user(&pte, ptep_user, sizeof(pte)))) - goto error; - walker->ptep_user[walker->level - 1] = ptep_user; -diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c -index 8ca1eca..fff3699b 100644 ---- a/arch/x86/kvm/svm.c -+++ b/arch/x86/kvm/svm.c -@@ -4253,7 +4253,11 @@ static void reload_tss(struct kvm_vcpu *vcpu) - int cpu = raw_smp_processor_id(); - - struct svm_cpu_data *sd = per_cpu(svm_data, cpu); -+ -+ pax_open_kernel(); - sd->tss_desc->type = 9; /* available 32/64-bit TSS */ -+ pax_close_kernel(); -+ - load_TR_desc(); - } - -@@ -4895,6 +4899,10 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) - #endif - #endif - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ __set_fs(current->thread.addr_limit); -+#endif -+ - reload_tss(vcpu); - - local_irq_disable(); -diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c -index 69b8f8a..0cf39f5 100644 ---- a/arch/x86/kvm/vmx.c -+++ b/arch/x86/kvm/vmx.c -@@ -1675,14 +1675,14 @@ static __always_inline void vmcs_writel(unsigned long field, unsigned long value - __vmcs_writel(field, value); - } - --static __always_inline void vmcs_clear_bits(unsigned long field, u32 mask) -+static __always_inline void vmcs_clear_bits(unsigned long field, unsigned long mask) - { - BUILD_BUG_ON_MSG(__builtin_constant_p(field) && ((field) & 0x6000) == 0x2000, - "vmcs_clear_bits does not support 64-bit fields"); - __vmcs_writel(field, __vmcs_readl(field) & ~mask); - } - --static __always_inline void vmcs_set_bits(unsigned long field, u32 mask) -+static __always_inline void vmcs_set_bits(unsigned long field, unsigned long mask) - { - BUILD_BUG_ON_MSG(__builtin_constant_p(field) && ((field) & 0x6000) == 0x2000, - "vmcs_set_bits does not support 64-bit fields"); -@@ -1961,7 +1961,11 @@ static void reload_tss(void) - struct desc_struct *descs; - - descs = (void *)gdt->address; -+ -+ pax_open_kernel(); - descs[GDT_ENTRY_TSS].type = 9; /* available TSS */ -+ pax_close_kernel(); -+ - load_TR_desc(); - } - -@@ -2265,6 +2269,10 @@ static void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu) - vmcs_writel(HOST_TR_BASE, kvm_read_tr_base()); /* 22.2.4 */ - vmcs_writel(HOST_GDTR_BASE, gdt->address); /* 22.2.4 */ - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ vmcs_writel(HOST_CR3, read_cr3()); /* 22.2.3 FIXME: shadow tables */ -+#endif -+ - rdmsrl(MSR_IA32_SYSENTER_ESP, sysenter_esp); - vmcs_writel(HOST_IA32_SYSENTER_ESP, sysenter_esp); /* 22.2.3 */ - -@@ -2596,7 +2604,7 @@ static void setup_msrs(struct vcpu_vmx *vmx) - * guest_tsc = (host_tsc * tsc multiplier) >> 48 + tsc_offset - * -- Intel TSC Scaling for Virtualization White Paper, sec 1.3 - */ --static u64 guest_read_tsc(struct kvm_vcpu *vcpu) -+static u64 __intentional_overflow(-1) guest_read_tsc(struct kvm_vcpu *vcpu) - { - u64 host_tsc, tsc_offset; - -@@ -4848,7 +4856,10 @@ static void vmx_set_constant_host_state(struct vcpu_vmx *vmx) - unsigned long cr4; - - vmcs_writel(HOST_CR0, read_cr0() & ~X86_CR0_TS); /* 22.2.3 */ -+ -+#ifndef CONFIG_PAX_PER_CPU_PGD - vmcs_writel(HOST_CR3, read_cr3()); /* 22.2.3 FIXME: shadow tables */ -+#endif - - /* Save the most likely value for this task's CR4 in the VMCS. */ - cr4 = cr4_read_shadow(); -@@ -4875,7 +4886,7 @@ static void vmx_set_constant_host_state(struct vcpu_vmx *vmx) - vmcs_writel(HOST_IDTR_BASE, dt.address); /* 22.2.4 */ - vmx->host_idt_base = dt.address; - -- vmcs_writel(HOST_RIP, vmx_return); /* 22.2.5 */ -+ vmcs_writel(HOST_RIP, ktla_ktva(vmx_return)); /* 22.2.5 */ - - rdmsr(MSR_IA32_SYSENTER_CS, low32, high32); - vmcs_write32(HOST_IA32_SYSENTER_CS, low32); -@@ -6447,11 +6458,17 @@ static __init int hardware_setup(void) - * page upon invalidation. No need to do anything if not - * using the APIC_ACCESS_ADDR VMCS field. - */ -- if (!flexpriority_enabled) -+ if (!flexpriority_enabled) { -+ pax_open_kernel(); - kvm_x86_ops->set_apic_access_page_addr = NULL; -+ pax_close_kernel(); -+ } - -- if (!cpu_has_vmx_tpr_shadow()) -+ if (!cpu_has_vmx_tpr_shadow()) { -+ pax_open_kernel(); - kvm_x86_ops->update_cr8_intercept = NULL; -+ pax_close_kernel(); -+ } - - if (enable_ept && !cpu_has_vmx_ept_2m_page()) - kvm_disable_largepages(); -@@ -6532,10 +6549,12 @@ static __init int hardware_setup(void) - enable_pml = 0; - - if (!enable_pml) { -+ pax_open_kernel(); - kvm_x86_ops->slot_enable_log_dirty = NULL; - kvm_x86_ops->slot_disable_log_dirty = NULL; - kvm_x86_ops->flush_log_dirty = NULL; - kvm_x86_ops->enable_log_dirty_pt_masked = NULL; -+ pax_close_kernel(); - } - - if (cpu_has_vmx_preemption_timer() && enable_preemption_timer) { -@@ -8928,6 +8947,12 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu) - "jmp 2f \n\t" - "1: " __ex(ASM_VMX_VMRESUME) "\n\t" - "2: " -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ "ljmp %[cs],$3f\n\t" -+ "3: " -+#endif -+ - /* Save guest registers, load host registers, keep flags */ - "mov %0, %c[wordsize](%%" _ASM_SP ") \n\t" - "pop %0 \n\t" -@@ -8980,6 +9005,11 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu) - #endif - [cr2]"i"(offsetof(struct vcpu_vmx, vcpu.arch.cr2)), - [wordsize]"i"(sizeof(ulong)) -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ ,[cs]"i"(__KERNEL_CS) -+#endif -+ - : "cc", "memory" - #ifdef CONFIG_X86_64 - , "rax", "rbx", "rdi", "rsi" -@@ -8993,7 +9023,7 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu) - if (debugctlmsr) - update_debugctlmsr(debugctlmsr); - --#ifndef CONFIG_X86_64 -+#ifdef CONFIG_X86_32 - /* - * The sysexit path does not restore ds/es, so we must set them to - * a reasonable value ourselves. -@@ -9002,8 +9032,18 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu) - * may be executed in interrupt context, which saves and restore segments - * around it, nullifying its effect. - */ -- loadsegment(ds, __USER_DS); -- loadsegment(es, __USER_DS); -+ loadsegment(ds, __KERNEL_DS); -+ loadsegment(es, __KERNEL_DS); -+ loadsegment(ss, __KERNEL_DS); -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ loadsegment(fs, __KERNEL_PERCPU); -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(current->thread.addr_limit); -+#endif -+ - #endif - - vcpu->arch.regs_avail = ~((1 << VCPU_REGS_RIP) | (1 << VCPU_REGS_RSP) -diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c -index e5bc139..5a1766b 100644 ---- a/arch/x86/kvm/x86.c -+++ b/arch/x86/kvm/x86.c -@@ -2005,8 +2005,8 @@ static int xen_hvm_config(struct kvm_vcpu *vcpu, u64 data) - { - struct kvm *kvm = vcpu->kvm; - int lm = is_long_mode(vcpu); -- u8 *blob_addr = lm ? (u8 *)(long)kvm->arch.xen_hvm_config.blob_addr_64 -- : (u8 *)(long)kvm->arch.xen_hvm_config.blob_addr_32; -+ u8 __user *blob_addr = lm ? (u8 __user *)(long)kvm->arch.xen_hvm_config.blob_addr_64 -+ : (u8 __user *)(long)kvm->arch.xen_hvm_config.blob_addr_32; - u8 blob_size = lm ? kvm->arch.xen_hvm_config.blob_size_64 - : kvm->arch.xen_hvm_config.blob_size_32; - u32 page_num = data & ~PAGE_MASK; -@@ -2716,6 +2716,8 @@ long kvm_arch_dev_ioctl(struct file *filp, - if (n < msr_list.nmsrs) - goto out; - r = -EFAULT; -+ if (num_msrs_to_save > ARRAY_SIZE(msrs_to_save)) -+ goto out; - if (copy_to_user(user_msr_list->indices, &msrs_to_save, - num_msrs_to_save * sizeof(u32))) - goto out; -@@ -3137,7 +3139,7 @@ static int kvm_vcpu_ioctl_x86_set_debugregs(struct kvm_vcpu *vcpu, - - static void fill_xsave(u8 *dest, struct kvm_vcpu *vcpu) - { -- struct xregs_state *xsave = &vcpu->arch.guest_fpu.state.xsave; -+ struct xregs_state *xsave = &vcpu->arch.guest_fpu.state->xsave; - u64 xstate_bv = xsave->header.xfeatures; - u64 valid; - -@@ -3174,7 +3176,7 @@ static void fill_xsave(u8 *dest, struct kvm_vcpu *vcpu) - - static void load_xsave(struct kvm_vcpu *vcpu, u8 *src) - { -- struct xregs_state *xsave = &vcpu->arch.guest_fpu.state.xsave; -+ struct xregs_state *xsave = &vcpu->arch.guest_fpu.state->xsave; - u64 xstate_bv = *(u64 *)(src + XSAVE_HDR_OFFSET); - u64 valid; - -@@ -3218,7 +3220,7 @@ static void kvm_vcpu_ioctl_x86_get_xsave(struct kvm_vcpu *vcpu, - fill_xsave((u8 *) guest_xsave->region, vcpu); - } else { - memcpy(guest_xsave->region, -- &vcpu->arch.guest_fpu.state.fxsave, -+ &vcpu->arch.guest_fpu.state->fxsave, - sizeof(struct fxregs_state)); - *(u64 *)&guest_xsave->region[XSAVE_HDR_OFFSET / sizeof(u32)] = - XFEATURE_MASK_FPSSE; -@@ -3243,7 +3245,7 @@ static int kvm_vcpu_ioctl_x86_set_xsave(struct kvm_vcpu *vcpu, - } else { - if (xstate_bv & ~XFEATURE_MASK_FPSSE) - return -EINVAL; -- memcpy(&vcpu->arch.guest_fpu.state.fxsave, -+ memcpy(&vcpu->arch.guest_fpu.state->fxsave, - guest_xsave->region, sizeof(struct fxregs_state)); - } - return 0; -@@ -5807,7 +5809,7 @@ static unsigned long kvm_get_guest_ip(void) - unsigned long ip = 0; - - if (__this_cpu_read(current_vcpu)) -- ip = kvm_rip_read(__this_cpu_read(current_vcpu)); -+ ip = kvm_get_linear_rip(__this_cpu_read(current_vcpu)); - - return ip; - } -@@ -6531,6 +6533,7 @@ void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm, - * exiting to the userspace. Otherwise, the value will be returned to the - * userspace. - */ -+static int vcpu_enter_guest(struct kvm_vcpu *vcpu) __must_hold(&vcpu->kvm->srcu); - static int vcpu_enter_guest(struct kvm_vcpu *vcpu) - { - int r; -@@ -6805,6 +6808,7 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu) - return r; - } - -+static inline int vcpu_block(struct kvm *kvm, struct kvm_vcpu *vcpu) __must_hold(&kvm->srcu); - static inline int vcpu_block(struct kvm *kvm, struct kvm_vcpu *vcpu) - { - if (!kvm_arch_vcpu_runnable(vcpu) && -@@ -7352,7 +7356,7 @@ int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, - int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) - { - struct fxregs_state *fxsave = -- &vcpu->arch.guest_fpu.state.fxsave; -+ &vcpu->arch.guest_fpu.state->fxsave; - - memcpy(fpu->fpr, fxsave->st_space, 128); - fpu->fcw = fxsave->cwd; -@@ -7369,7 +7373,7 @@ int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) - int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) - { - struct fxregs_state *fxsave = -- &vcpu->arch.guest_fpu.state.fxsave; -+ &vcpu->arch.guest_fpu.state->fxsave; - - memcpy(fxsave->st_space, fpu->fpr, 128); - fxsave->cwd = fpu->fcw; -@@ -7385,9 +7389,9 @@ int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) - - static void fx_init(struct kvm_vcpu *vcpu) - { -- fpstate_init(&vcpu->arch.guest_fpu.state); -+ fpstate_init(vcpu->arch.guest_fpu.state); - if (boot_cpu_has(X86_FEATURE_XSAVES)) -- vcpu->arch.guest_fpu.state.xsave.header.xcomp_bv = -+ vcpu->arch.guest_fpu.state->xsave.header.xcomp_bv = - host_xcr0 | XSTATE_COMPACTION_ENABLED; - - /* -@@ -7410,7 +7414,7 @@ void kvm_load_guest_fpu(struct kvm_vcpu *vcpu) - */ - vcpu->guest_fpu_loaded = 1; - __kernel_fpu_begin(); -- __copy_kernel_to_fpregs(&vcpu->arch.guest_fpu.state); -+ __copy_kernel_to_fpregs(vcpu->arch.guest_fpu.state); - trace_kvm_fpu(1); - } - -@@ -7710,6 +7714,8 @@ bool kvm_vcpu_is_bsp(struct kvm_vcpu *vcpu) - struct static_key kvm_no_apic_vcpu __read_mostly; - EXPORT_SYMBOL_GPL(kvm_no_apic_vcpu); - -+extern struct kmem_cache *fpregs_state_cachep; -+ - int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu) - { - struct page *page; -@@ -7727,11 +7733,14 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu) - else - vcpu->arch.mp_state = KVM_MP_STATE_UNINITIALIZED; - -- page = alloc_page(GFP_KERNEL | __GFP_ZERO); -- if (!page) { -- r = -ENOMEM; -+ r = -ENOMEM; -+ vcpu->arch.guest_fpu.state = kmem_cache_alloc(fpregs_state_cachep, GFP_KERNEL); -+ if (!vcpu->arch.guest_fpu.state) - goto fail; -- } -+ -+ page = alloc_page(GFP_KERNEL | __GFP_ZERO); -+ if (!page) -+ goto fail_free_fpregs; - vcpu->arch.pio_data = page_address(page); - - kvm_set_tsc_khz(vcpu, max_tsc_khz); -@@ -7789,6 +7798,9 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu) - kvm_mmu_destroy(vcpu); - fail_free_pio_data: - free_page((unsigned long)vcpu->arch.pio_data); -+fail_free_fpregs: -+ kmem_cache_free(fpregs_state_cachep, vcpu->arch.guest_fpu.state); -+ vcpu->arch.guest_fpu.state = NULL; - fail: - return r; - } -@@ -7807,6 +7819,8 @@ void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) - free_page((unsigned long)vcpu->arch.pio_data); - if (!lapic_in_kernel(vcpu)) - static_key_slow_dec(&kvm_no_apic_vcpu); -+ kmem_cache_free(fpregs_state_cachep, vcpu->arch.guest_fpu.state); -+ vcpu->arch.guest_fpu.state = NULL; - } - - void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) -diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c -index 25da5bc8..235cb88 100644 ---- a/arch/x86/lguest/boot.c -+++ b/arch/x86/lguest/boot.c -@@ -262,7 +262,7 @@ PV_CALLEE_SAVE_REGS_THUNK(lguest_irq_disable); - /*:*/ - - /* These are in head_32.S */ --extern void lg_irq_enable(void); -+extern asmlinkage void lg_irq_enable(void); - extern void lg_restore_fl(unsigned long flags); - - /*M:003 -@@ -1329,9 +1329,10 @@ static __init int early_put_chars(u32 vtermno, const char *buf, int count) - * Rebooting also tells the Host we're finished, but the RESTART flag tells the - * Launcher to reboot us. - */ --static void lguest_restart(char *reason) -+static __noreturn void lguest_restart(char *reason) - { - hcall(LHCALL_SHUTDOWN, __pa(reason), LGUEST_SHUTDOWN_RESTART, 0, 0); -+ BUG(); - } - - /*G:050 -@@ -1392,6 +1393,11 @@ static unsigned lguest_patch(u8 type, u16 clobber, void *ibuf, - return insn_len; - } - -+#ifdef CONFIG_PAX_RAP -+PV_CALLEE_SAVE_REGS_THUNK(lg_restore_fl); -+PV_CALLEE_SAVE_REGS_THUNK(lg_irq_enable); -+#endif -+ - /*G:029 - * Once we get to lguest_init(), we know we're a Guest. The various - * pv_ops structures in the kernel provide points for (almost) every routine we -@@ -1412,10 +1418,10 @@ __init void lguest_init(void) - */ - - /* Interrupt-related operations */ -- pv_irq_ops.save_fl = PV_CALLEE_SAVE(lguest_save_fl); -- pv_irq_ops.restore_fl = __PV_IS_CALLEE_SAVE(lg_restore_fl); -- pv_irq_ops.irq_disable = PV_CALLEE_SAVE(lguest_irq_disable); -- pv_irq_ops.irq_enable = __PV_IS_CALLEE_SAVE(lg_irq_enable); -+ pv_irq_ops.save_fl = PV_CALLEE_SAVE(save_fl, lguest_save_fl); -+ pv_irq_ops.restore_fl = __PV_IS_CALLEE_SAVE(restore_fl, lg_restore_fl); -+ pv_irq_ops.irq_disable = PV_CALLEE_SAVE(irq_disable, lguest_irq_disable); -+ pv_irq_ops.irq_enable = __PV_IS_CALLEE_SAVE(irq_enable, lg_irq_enable); - pv_irq_ops.safe_halt = lguest_safe_halt; - - /* Setup operations */ -diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile -index 34a7413..375b9b1 100644 ---- a/arch/x86/lib/Makefile -+++ b/arch/x86/lib/Makefile -@@ -29,6 +29,10 @@ lib-$(CONFIG_RANDOMIZE_BASE) += kaslr.o - obj-y += msr.o msr-reg.o msr-reg-export.o hweight.o - - ifeq ($(CONFIG_X86_32),y) -+ GCC_PLUGINS_CFLAGS_strstr_32.o += $(INITIFY_DISABLE_VERIFY_NOCAPTURE_FUNCTIONS) -+ GCC_PLUGINS_CFLAGS_string_32.o += $(INITIFY_DISABLE_VERIFY_NOCAPTURE_FUNCTIONS) -+ GCC_PLUGINS_CFLAGS_memcpy_32.o += $(INITIFY_DISABLE_VERIFY_NOCAPTURE_FUNCTIONS) -+ - obj-y += atomic64_32.o - lib-y += atomic64_cx8_32.o - lib-y += checksum_32.o -diff --git a/arch/x86/lib/atomic64_386_32.S b/arch/x86/lib/atomic64_386_32.S -index 9b0ca8f..390af89 100644 ---- a/arch/x86/lib/atomic64_386_32.S -+++ b/arch/x86/lib/atomic64_386_32.S -@@ -10,6 +10,7 @@ - */ - - #include -+#include - #include - - /* if you want SMP support, implement these with real spinlocks */ -@@ -32,26 +33,34 @@ ENTRY(atomic64_##op##_386); \ - - #define ENDP endp - --#define RET \ -+#define RET(op) \ - UNLOCK v; \ -- ret -+ pax_ret atomic64_##op##_386 - --#define RET_ENDP \ -- RET; \ -+#define RET_ENDP(op) \ -+ RET(op); \ - ENDP - - #define v %ecx - BEGIN(read) - movl (v), %eax - movl 4(v), %edx --RET_ENDP -+RET_ENDP(read) -+BEGIN(read_unchecked) -+ movl (v), %eax -+ movl 4(v), %edx -+RET_ENDP(read_unchecked) - #undef v - - #define v %esi - BEGIN(set) - movl %ebx, (v) - movl %ecx, 4(v) --RET_ENDP -+RET_ENDP(set) -+BEGIN(set_unchecked) -+ movl %ebx, (v) -+ movl %ecx, 4(v) -+RET_ENDP(set_unchecked) - #undef v - - #define v %esi -@@ -60,30 +69,51 @@ BEGIN(xchg) - movl 4(v), %edx - movl %ebx, (v) - movl %ecx, 4(v) --RET_ENDP -+RET_ENDP(xchg) - #undef v - - #define v %ecx - BEGIN(add) - addl %eax, (v) - adcl %edx, 4(v) --RET_ENDP -+ -+ PAX_REFCOUNT64_OVERFLOW (v) -+RET_ENDP(add) -+BEGIN(add_unchecked) -+ addl %eax, (v) -+ adcl %edx, 4(v) -+RET_ENDP(add_unchecked) - #undef v - - #define v %ecx - BEGIN(add_return) - addl (v), %eax - adcl 4(v), %edx -+ - movl %eax, (v) - movl %edx, 4(v) --RET_ENDP -+ -+ PAX_REFCOUNT64_OVERFLOW (v) -+RET_ENDP(add_return) -+BEGIN(add_return_unchecked) -+ addl (v), %eax -+ adcl 4(v), %edx -+ movl %eax, (v) -+ movl %edx, 4(v) -+RET_ENDP(add_return_unchecked) - #undef v - - #define v %ecx - BEGIN(sub) - subl %eax, (v) - sbbl %edx, 4(v) --RET_ENDP -+ -+ PAX_REFCOUNT64_UNDERFLOW (v) -+RET_ENDP(sub) -+BEGIN(sub_unchecked) -+ subl %eax, (v) -+ sbbl %edx, 4(v) -+RET_ENDP(sub_unchecked) - #undef v - - #define v %ecx -@@ -93,16 +123,34 @@ BEGIN(sub_return) - sbbl $0, %edx - addl (v), %eax - adcl 4(v), %edx -+ - movl %eax, (v) - movl %edx, 4(v) --RET_ENDP -+ -+ PAX_REFCOUNT64_UNDERFLOW (v) -+RET_ENDP(sub_return) -+BEGIN(sub_return_unchecked) -+ negl %edx -+ negl %eax -+ sbbl $0, %edx -+ addl (v), %eax -+ adcl 4(v), %edx -+ movl %eax, (v) -+ movl %edx, 4(v) -+RET_ENDP(sub_return_unchecked) - #undef v - - #define v %esi - BEGIN(inc) - addl $1, (v) - adcl $0, 4(v) --RET_ENDP -+ -+ PAX_REFCOUNT64_OVERFLOW (v) -+RET_ENDP(inc) -+BEGIN(inc_unchecked) -+ addl $1, (v) -+ adcl $0, 4(v) -+RET_ENDP(inc_unchecked) - #undef v - - #define v %esi -@@ -111,16 +159,33 @@ BEGIN(inc_return) - movl 4(v), %edx - addl $1, %eax - adcl $0, %edx -+ - movl %eax, (v) - movl %edx, 4(v) --RET_ENDP -+ -+ PAX_REFCOUNT64_OVERFLOW (v) -+RET_ENDP(inc_return) -+BEGIN(inc_return_unchecked) -+ movl (v), %eax -+ movl 4(v), %edx -+ addl $1, %eax -+ adcl $0, %edx -+ movl %eax, (v) -+ movl %edx, 4(v) -+RET_ENDP(inc_return_unchecked) - #undef v - - #define v %esi - BEGIN(dec) - subl $1, (v) - sbbl $0, 4(v) --RET_ENDP -+ -+ PAX_REFCOUNT64_UNDERFLOW (v) -+RET_ENDP(dec) -+BEGIN(dec_unchecked) -+ subl $1, (v) -+ sbbl $0, 4(v) -+RET_ENDP(dec_unchecked) - #undef v - - #define v %esi -@@ -129,9 +194,20 @@ BEGIN(dec_return) - movl 4(v), %edx - subl $1, %eax - sbbl $0, %edx -+ - movl %eax, (v) - movl %edx, 4(v) --RET_ENDP -+ -+ PAX_REFCOUNT64_UNDERFLOW (v) -+RET_ENDP(dec_return) -+BEGIN(dec_return_unchecked) -+ movl (v), %eax -+ movl 4(v), %edx -+ subl $1, %eax -+ sbbl $0, %edx -+ movl %eax, (v) -+ movl %edx, 4(v) -+RET_ENDP(dec_return_unchecked) - #undef v - - #define v %esi -@@ -140,6 +216,9 @@ BEGIN(add_unless) - adcl %edx, %edi - addl (v), %eax - adcl 4(v), %edx -+ -+ PAX_REFCOUNT64_OVERFLOW (v) -+ - cmpl %eax, %ecx - je 3f - 1: -@@ -147,7 +226,7 @@ BEGIN(add_unless) - movl %edx, 4(v) - movl $1, %eax - 2: -- RET -+ RET(add_unless) - 3: - cmpl %edx, %edi - jne 1b -@@ -165,11 +244,14 @@ BEGIN(inc_not_zero) - 1: - addl $1, %eax - adcl $0, %edx -+ -+ PAX_REFCOUNT64_OVERFLOW (v) -+ - movl %eax, (v) - movl %edx, 4(v) - movl $1, %eax - 2: -- RET -+ RET(inc_not_zero) - 3: - testl %edx, %edx - jne 1b -@@ -183,9 +265,12 @@ BEGIN(dec_if_positive) - movl 4(v), %edx - subl $1, %eax - sbbl $0, %edx -+ -+ PAX_REFCOUNT64_UNDERFLOW (v) -+ - js 1f - movl %eax, (v) - movl %edx, 4(v) - 1: --RET_ENDP -+RET_ENDP(dec_if_positive) - #undef v -diff --git a/arch/x86/lib/atomic64_cx8_32.S b/arch/x86/lib/atomic64_cx8_32.S -index db3ae854..5e266ef 100644 ---- a/arch/x86/lib/atomic64_cx8_32.S -+++ b/arch/x86/lib/atomic64_cx8_32.S -@@ -10,6 +10,7 @@ - */ - - #include -+#include - #include - - .macro read64 reg -@@ -22,9 +23,14 @@ - - ENTRY(atomic64_read_cx8) - read64 %ecx -- ret -+ pax_ret atomic64_read - ENDPROC(atomic64_read_cx8) - -+ENTRY(atomic64_read_unchecked_cx8) -+ read64 %ecx -+ pax_ret atomic64_read_unchecked -+ENDPROC(atomic64_read_unchecked_cx8) -+ - ENTRY(atomic64_set_cx8) - 1: - /* we don't need LOCK_PREFIX since aligned 64-bit writes -@@ -32,20 +38,30 @@ ENTRY(atomic64_set_cx8) - cmpxchg8b (%esi) - jne 1b - -- ret -+ pax_ret atomic64_set - ENDPROC(atomic64_set_cx8) - -+ENTRY(atomic64_set_unchecked_cx8) -+1: -+/* we don't need LOCK_PREFIX since aligned 64-bit writes -+ * are atomic on 586 and newer */ -+ cmpxchg8b (%esi) -+ jne 1b -+ -+ pax_ret atomic64_set_unchecked -+ENDPROC(atomic64_set_unchecked_cx8) -+ - ENTRY(atomic64_xchg_cx8) - 1: - LOCK_PREFIX - cmpxchg8b (%esi) - jne 1b - -- ret -+ pax_ret atomic64_xchg - ENDPROC(atomic64_xchg_cx8) - --.macro addsub_return func ins insc --ENTRY(atomic64_\func\()_return_cx8) -+.macro addsub_return func ins insc unchecked="" -+ENTRY(atomic64_\func\()_return\unchecked\()_cx8) - pushl %ebp - pushl %ebx - pushl %esi -@@ -61,26 +77,36 @@ ENTRY(atomic64_\func\()_return_cx8) - movl %edx, %ecx - \ins\()l %esi, %ebx - \insc\()l %edi, %ecx -+ -+.ifb \unchecked -+.if \func == add -+ PAX_REFCOUNT64_OVERFLOW (%ebp) -+.else -+ PAX_REFCOUNT64_UNDERFLOW (%ebp) -+.endif -+.endif -+ - LOCK_PREFIX - cmpxchg8b (%ebp) - jne 1b -- --10: - movl %ebx, %eax - movl %ecx, %edx -+ - popl %edi - popl %esi - popl %ebx - popl %ebp -- ret --ENDPROC(atomic64_\func\()_return_cx8) -+ pax_ret atomic64_\func\()_return\unchecked -+ENDPROC(atomic64_\func\()_return\unchecked\()_cx8) - .endm - - addsub_return add add adc - addsub_return sub sub sbb -+addsub_return add add adc _unchecked -+addsub_return sub sub sbb _unchecked - --.macro incdec_return func ins insc --ENTRY(atomic64_\func\()_return_cx8) -+.macro incdec_return func ins insc unchecked="" -+ENTRY(atomic64_\func\()_return\unchecked\()_cx8) - pushl %ebx - - read64 %esi -@@ -89,20 +115,30 @@ ENTRY(atomic64_\func\()_return_cx8) - movl %edx, %ecx - \ins\()l $1, %ebx - \insc\()l $0, %ecx -+ -+.ifb \unchecked -+.if \func == inc -+ PAX_REFCOUNT64_OVERFLOW (%esi) -+.else -+ PAX_REFCOUNT64_UNDERFLOW (%esi) -+.endif -+.endif -+ - LOCK_PREFIX - cmpxchg8b (%esi) - jne 1b -- --10: - movl %ebx, %eax - movl %ecx, %edx -+ - popl %ebx -- ret --ENDPROC(atomic64_\func\()_return_cx8) -+ pax_ret atomic64_\func\()_return\unchecked -+ENDPROC(atomic64_\func\()_return\unchecked\()_cx8) - .endm - - incdec_return inc add adc - incdec_return dec sub sbb -+incdec_return inc add adc _unchecked -+incdec_return dec sub sbb _unchecked - - ENTRY(atomic64_dec_if_positive_cx8) - pushl %ebx -@@ -113,6 +149,9 @@ ENTRY(atomic64_dec_if_positive_cx8) - movl %edx, %ecx - subl $1, %ebx - sbb $0, %ecx -+ -+ PAX_REFCOUNT64_UNDERFLOW (%esi) -+ - js 2f - LOCK_PREFIX - cmpxchg8b (%esi) -@@ -122,7 +161,7 @@ ENTRY(atomic64_dec_if_positive_cx8) - movl %ebx, %eax - movl %ecx, %edx - popl %ebx -- ret -+ pax_ret atomic64_dec_if_positive - ENDPROC(atomic64_dec_if_positive_cx8) - - ENTRY(atomic64_add_unless_cx8) -@@ -144,6 +183,9 @@ ENTRY(atomic64_add_unless_cx8) - movl %edx, %ecx - addl %ebp, %ebx - adcl %edi, %ecx -+ -+ PAX_REFCOUNT64_OVERFLOW (%esi) -+ - LOCK_PREFIX - cmpxchg8b (%esi) - jne 1b -@@ -153,7 +195,7 @@ ENTRY(atomic64_add_unless_cx8) - addl $8, %esp - popl %ebx - popl %ebp -- ret -+ pax_ret atomic64_add_unless - 4: - cmpl %edx, 4(%esp) - jne 2b -@@ -173,6 +215,9 @@ ENTRY(atomic64_inc_not_zero_cx8) - xorl %ecx, %ecx - addl $1, %ebx - adcl %edx, %ecx -+ -+ PAX_REFCOUNT64_OVERFLOW (%esi) -+ - LOCK_PREFIX - cmpxchg8b (%esi) - jne 1b -@@ -180,5 +225,5 @@ ENTRY(atomic64_inc_not_zero_cx8) - movl $1, %eax - 3: - popl %ebx -- ret -+ pax_ret atomic64_inc_not_zero - ENDPROC(atomic64_inc_not_zero_cx8) -diff --git a/arch/x86/lib/checksum_32.S b/arch/x86/lib/checksum_32.S -index 4d34bb5..bccd7fc 100644 ---- a/arch/x86/lib/checksum_32.S -+++ b/arch/x86/lib/checksum_32.S -@@ -29,7 +29,9 @@ - #include - #include - #include -- -+#include -+#include -+ - /* - * computes a partial checksum, e.g. for TCP/UDP fragments - */ -@@ -130,7 +132,7 @@ ENTRY(csum_partial) - 8: - popl %ebx - popl %esi -- ret -+ pax_ret csum_partial - ENDPROC(csum_partial) - - #else -@@ -248,7 +250,7 @@ ENTRY(csum_partial) - 90: - popl %ebx - popl %esi -- ret -+ pax_ret csum_partial - ENDPROC(csum_partial) - - #endif -@@ -282,7 +284,22 @@ unsigned int csum_partial_copy_generic (const char *src, char *dst, - - #define ARGBASE 16 - #define FP 12 -- -+ -+ENTRY(csum_partial_copy_generic_to_user) -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl %gs -+ popl %es -+ jmp csum_partial_copy_generic -+#endif -+ -+ENTRY(csum_partial_copy_generic_from_user) -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl %gs -+ popl %ds -+#endif -+ - ENTRY(csum_partial_copy_generic) - subl $4,%esp - pushl %edi -@@ -301,7 +318,7 @@ ENTRY(csum_partial_copy_generic) - jmp 4f - SRC(1: movw (%esi), %bx ) - addl $2, %esi --DST( movw %bx, (%edi) ) -+DST( movw %bx, %es:(%edi) ) - addl $2, %edi - addw %bx, %ax - adcl $0, %eax -@@ -313,30 +330,30 @@ DST( movw %bx, (%edi) ) - SRC(1: movl (%esi), %ebx ) - SRC( movl 4(%esi), %edx ) - adcl %ebx, %eax --DST( movl %ebx, (%edi) ) -+DST( movl %ebx, %es:(%edi) ) - adcl %edx, %eax --DST( movl %edx, 4(%edi) ) -+DST( movl %edx, %es:4(%edi) ) - - SRC( movl 8(%esi), %ebx ) - SRC( movl 12(%esi), %edx ) - adcl %ebx, %eax --DST( movl %ebx, 8(%edi) ) -+DST( movl %ebx, %es:8(%edi) ) - adcl %edx, %eax --DST( movl %edx, 12(%edi) ) -+DST( movl %edx, %es:12(%edi) ) - - SRC( movl 16(%esi), %ebx ) - SRC( movl 20(%esi), %edx ) - adcl %ebx, %eax --DST( movl %ebx, 16(%edi) ) -+DST( movl %ebx, %es:16(%edi) ) - adcl %edx, %eax --DST( movl %edx, 20(%edi) ) -+DST( movl %edx, %es:20(%edi) ) - - SRC( movl 24(%esi), %ebx ) - SRC( movl 28(%esi), %edx ) - adcl %ebx, %eax --DST( movl %ebx, 24(%edi) ) -+DST( movl %ebx, %es:24(%edi) ) - adcl %edx, %eax --DST( movl %edx, 28(%edi) ) -+DST( movl %edx, %es:28(%edi) ) - - lea 32(%esi), %esi - lea 32(%edi), %edi -@@ -350,7 +367,7 @@ DST( movl %edx, 28(%edi) ) - shrl $2, %edx # This clears CF - SRC(3: movl (%esi), %ebx ) - adcl %ebx, %eax --DST( movl %ebx, (%edi) ) -+DST( movl %ebx, %es:(%edi) ) - lea 4(%esi), %esi - lea 4(%edi), %edi - dec %edx -@@ -362,12 +379,12 @@ DST( movl %ebx, (%edi) ) - jb 5f - SRC( movw (%esi), %cx ) - leal 2(%esi), %esi --DST( movw %cx, (%edi) ) -+DST( movw %cx, %es:(%edi) ) - leal 2(%edi), %edi - je 6f - shll $16,%ecx - SRC(5: movb (%esi), %cl ) --DST( movb %cl, (%edi) ) -+DST( movb %cl, %es:(%edi) ) - 6: addl %ecx, %eax - adcl $0, %eax - 7: -@@ -378,7 +395,7 @@ DST( movb %cl, (%edi) ) - - 6001: - movl ARGBASE+20(%esp), %ebx # src_err_ptr -- movl $-EFAULT, (%ebx) -+ movl $-EFAULT, %ss:(%ebx) - - # zero the complete destination - computing the rest - # is too much work -@@ -391,34 +408,58 @@ DST( movb %cl, (%edi) ) - - 6002: - movl ARGBASE+24(%esp), %ebx # dst_err_ptr -- movl $-EFAULT,(%ebx) -+ movl $-EFAULT,%ss:(%ebx) - jmp 5000b - - .previous - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl %ss -+ popl %ds -+ pushl %ss -+ popl %es -+#endif -+ - popl %ebx - popl %esi - popl %edi - popl %ecx # equivalent to addl $4,%esp -- ret --ENDPROC(csum_partial_copy_generic) -+ pax_ret csum_partial_copy_generic_to_user -+ENDPROC(csum_partial_copy_generic_to_user) - - #else - - /* Version for PentiumII/PPro */ - - #define ROUND1(x) \ -+ nop; nop; nop; \ - SRC(movl x(%esi), %ebx ) ; \ - addl %ebx, %eax ; \ -- DST(movl %ebx, x(%edi) ) ; -+ DST(movl %ebx, %es:x(%edi)) ; - - #define ROUND(x) \ -+ nop; nop; nop; \ - SRC(movl x(%esi), %ebx ) ; \ - adcl %ebx, %eax ; \ -- DST(movl %ebx, x(%edi) ) ; -+ DST(movl %ebx, %es:x(%edi)) ; - - #define ARGBASE 12 -- -+ -+ENTRY(csum_partial_copy_generic_to_user) -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl %gs -+ popl %es -+ jmp csum_partial_copy_generic -+#endif -+ -+ENTRY(csum_partial_copy_generic_from_user) -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl %gs -+ popl %ds -+#endif -+ - ENTRY(csum_partial_copy_generic) - pushl %ebx - pushl %edi -@@ -437,7 +478,7 @@ ENTRY(csum_partial_copy_generic) - subl %ebx, %edi - lea -1(%esi),%edx - andl $-32,%edx -- lea 3f(%ebx,%ebx), %ebx -+ lea 3f(%ebx,%ebx,2), %ebx - testl %esi, %esi - jmp *%ebx - 1: addl $64,%esi -@@ -458,19 +499,19 @@ ENTRY(csum_partial_copy_generic) - jb 5f - SRC( movw (%esi), %dx ) - leal 2(%esi), %esi --DST( movw %dx, (%edi) ) -+DST( movw %dx, %es:(%edi) ) - leal 2(%edi), %edi - je 6f - shll $16,%edx - 5: - SRC( movb (%esi), %dl ) --DST( movb %dl, (%edi) ) -+DST( movb %dl, %es:(%edi) ) - 6: addl %edx, %eax - adcl $0, %eax - 7: - .section .fixup, "ax" - 6001: movl ARGBASE+20(%esp), %ebx # src_err_ptr -- movl $-EFAULT, (%ebx) -+ movl $-EFAULT, %ss:(%ebx) - # zero the complete destination (computing the rest is too much work) - movl ARGBASE+8(%esp),%edi # dst - movl ARGBASE+12(%esp),%ecx # len -@@ -478,18 +519,27 @@ DST( movb %dl, (%edi) ) - rep; stosb - jmp 7b - 6002: movl ARGBASE+24(%esp), %ebx # dst_err_ptr -- movl $-EFAULT, (%ebx) -+ movl $-EFAULT, %ss:(%ebx) - jmp 7b - .previous - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl %ss -+ popl %ds -+ pushl %ss -+ popl %es -+#endif -+ - popl %esi - popl %edi - popl %ebx -- ret --ENDPROC(csum_partial_copy_generic) -+ pax_ret csum_partial_copy_generic_to_user -+ENDPROC(csum_partial_copy_generic_to_user) - - #undef ROUND - #undef ROUND1 - - #endif - EXPORT_SYMBOL(csum_partial_copy_generic) -+EXPORT_SYMBOL(csum_partial_copy_generic_to_user) -+EXPORT_SYMBOL(csum_partial_copy_generic_from_user) -diff --git a/arch/x86/lib/clear_page_64.S b/arch/x86/lib/clear_page_64.S -index 5e2af3a..5fb2fdb 100644 ---- a/arch/x86/lib/clear_page_64.S -+++ b/arch/x86/lib/clear_page_64.S -@@ -22,7 +22,7 @@ ENTRY(clear_page) - movl $4096/8,%ecx - xorl %eax,%eax - rep stosq -- ret -+ pax_ret clear_page - ENDPROC(clear_page) - EXPORT_SYMBOL(clear_page) - -@@ -45,12 +45,12 @@ ENTRY(clear_page_orig) - leaq 64(%rdi),%rdi - jnz .Lloop - nop -- ret -+ pax_ret clear_page - ENDPROC(clear_page_orig) - - ENTRY(clear_page_c_e) - movl $4096,%ecx - xorl %eax,%eax - rep stosb -- ret -+ pax_ret clear_page - ENDPROC(clear_page_c_e) -diff --git a/arch/x86/lib/cmpxchg16b_emu.S b/arch/x86/lib/cmpxchg16b_emu.S -index 9b33024..cdbc725 100644 ---- a/arch/x86/lib/cmpxchg16b_emu.S -+++ b/arch/x86/lib/cmpxchg16b_emu.S -@@ -7,6 +7,7 @@ - */ - #include - #include -+#include - - .text - -@@ -43,11 +44,11 @@ ENTRY(this_cpu_cmpxchg16b_emu) - - popfq - mov $1, %al -- ret -+ pax_ret this_cpu_cmpxchg16b_emu - - .Lnot_same: - popfq - xor %al,%al -- ret -+ pax_ret this_cpu_cmpxchg16b_emu - - ENDPROC(this_cpu_cmpxchg16b_emu) -diff --git a/arch/x86/lib/cmpxchg8b_emu.S b/arch/x86/lib/cmpxchg8b_emu.S -index 03a186f..6793bf2 100644 ---- a/arch/x86/lib/cmpxchg8b_emu.S -+++ b/arch/x86/lib/cmpxchg8b_emu.S -@@ -8,6 +8,7 @@ - - #include - #include -+#include - - .text - -@@ -38,7 +39,7 @@ ENTRY(cmpxchg8b_emu) - movl %ecx, 4(%esi) - - popfl -- ret -+ pax_ret cmpxchg8b_emu - - .Lnot_same: - movl (%esi), %eax -@@ -46,7 +47,7 @@ ENTRY(cmpxchg8b_emu) - movl 4(%esi), %edx - - popfl -- ret -+ pax_ret cmpxchg8b_emu - - ENDPROC(cmpxchg8b_emu) - EXPORT_SYMBOL(cmpxchg8b_emu) -diff --git a/arch/x86/lib/copy_page_64.S b/arch/x86/lib/copy_page_64.S -index e850815..65619e55 100644 ---- a/arch/x86/lib/copy_page_64.S -+++ b/arch/x86/lib/copy_page_64.S -@@ -16,14 +16,14 @@ ENTRY(copy_page) - ALTERNATIVE "jmp copy_page_regs", "", X86_FEATURE_REP_GOOD - movl $4096/8, %ecx - rep movsq -- ret -+ pax_ret copy_page - ENDPROC(copy_page) - EXPORT_SYMBOL(copy_page) - - ENTRY(copy_page_regs) - subq $2*8, %rsp - movq %rbx, (%rsp) -- movq %r12, 1*8(%rsp) -+ movq %r13, 1*8(%rsp) - - movl $(4096/64)-5, %ecx - .p2align 4 -@@ -36,7 +36,7 @@ ENTRY(copy_page_regs) - movq 0x8*4(%rsi), %r9 - movq 0x8*5(%rsi), %r10 - movq 0x8*6(%rsi), %r11 -- movq 0x8*7(%rsi), %r12 -+ movq 0x8*7(%rsi), %r13 - - prefetcht0 5*64(%rsi) - -@@ -47,7 +47,7 @@ ENTRY(copy_page_regs) - movq %r9, 0x8*4(%rdi) - movq %r10, 0x8*5(%rdi) - movq %r11, 0x8*6(%rdi) -- movq %r12, 0x8*7(%rdi) -+ movq %r13, 0x8*7(%rdi) - - leaq 64 (%rsi), %rsi - leaq 64 (%rdi), %rdi -@@ -66,7 +66,7 @@ ENTRY(copy_page_regs) - movq 0x8*4(%rsi), %r9 - movq 0x8*5(%rsi), %r10 - movq 0x8*6(%rsi), %r11 -- movq 0x8*7(%rsi), %r12 -+ movq 0x8*7(%rsi), %r13 - - movq %rax, 0x8*0(%rdi) - movq %rbx, 0x8*1(%rdi) -@@ -75,14 +75,14 @@ ENTRY(copy_page_regs) - movq %r9, 0x8*4(%rdi) - movq %r10, 0x8*5(%rdi) - movq %r11, 0x8*6(%rdi) -- movq %r12, 0x8*7(%rdi) -+ movq %r13, 0x8*7(%rdi) - - leaq 64(%rdi), %rdi - leaq 64(%rsi), %rsi - jnz .Loop2 - - movq (%rsp), %rbx -- movq 1*8(%rsp), %r12 -+ movq 1*8(%rsp), %r13 - addq $2*8, %rsp -- ret -+ pax_ret copy_page - ENDPROC(copy_page_regs) -diff --git a/arch/x86/lib/copy_user_64.S b/arch/x86/lib/copy_user_64.S -index d376e4b..8e52373 100644 ---- a/arch/x86/lib/copy_user_64.S -+++ b/arch/x86/lib/copy_user_64.S -@@ -15,54 +15,35 @@ - #include - #include - #include -+#include -+#include - --/* Standard copy_to_user with segment limit checking */ --ENTRY(_copy_to_user) -- mov PER_CPU_VAR(current_task), %rax -- movq %rdi,%rcx -- addq %rdx,%rcx -- jc bad_to_user -- cmpq TASK_addr_limit(%rax),%rcx -- ja bad_to_user -- ALTERNATIVE_2 "jmp copy_user_generic_unrolled", \ -- "jmp copy_user_generic_string", \ -- X86_FEATURE_REP_GOOD, \ -- "jmp copy_user_enhanced_fast_string", \ -- X86_FEATURE_ERMS --ENDPROC(_copy_to_user) --EXPORT_SYMBOL(_copy_to_user) -- --/* Standard copy_from_user with segment limit checking */ --ENTRY(_copy_from_user) -- mov PER_CPU_VAR(current_task), %rax -- movq %rsi,%rcx -- addq %rdx,%rcx -- jc bad_from_user -- cmpq TASK_addr_limit(%rax),%rcx -- ja bad_from_user -- ALTERNATIVE_2 "jmp copy_user_generic_unrolled", \ -- "jmp copy_user_generic_string", \ -- X86_FEATURE_REP_GOOD, \ -- "jmp copy_user_enhanced_fast_string", \ -- X86_FEATURE_ERMS --ENDPROC(_copy_from_user) --EXPORT_SYMBOL(_copy_from_user) -- -+.macro ALIGN_DESTINATION -+ /* check for bad alignment of destination */ -+ movl %edi,%ecx -+ andl $7,%ecx -+ jz 102f /* already aligned */ -+ subl $8,%ecx -+ negl %ecx -+ subl %ecx,%edx -+100: movb (%rsi),%al -+101: movb %al,(%rdi) -+ incq %rsi -+ incq %rdi -+ decl %ecx -+ jnz 100b -+102: - - .section .fixup,"ax" -- /* must zero dest */ --ENTRY(bad_from_user) --bad_from_user: -- movl %edx,%ecx -- xorl %eax,%eax -- rep -- stosb --bad_to_user: -- movl %edx,%eax -- ret --ENDPROC(bad_from_user) -+103: addl %ecx,%edx /* ecx is zerorest also */ -+ FRAME_END -+ jmp copy_user_handle_tail - .previous - -+ _ASM_EXTABLE(100b,103b) -+ _ASM_EXTABLE(101b,103b) -+.endm -+ - /* - * copy_user_generic_unrolled - memory copy with exception handling. - * This version is for CPUs like P4 that don't have efficient micro -@@ -77,7 +58,8 @@ ENDPROC(bad_from_user) - * eax uncopied bytes or 0 if successful. - */ - ENTRY(copy_user_generic_unrolled) -- ASM_STAC -+ FRAME_BEGIN -+ ASM_USER_ACCESS_BEGIN - cmpl $8,%edx - jb 20f /* less then 8 bytes, go to byte copy loop */ - ALIGN_DESTINATION -@@ -125,8 +107,9 @@ ENTRY(copy_user_generic_unrolled) - decl %ecx - jnz 21b - 23: xor %eax,%eax -- ASM_CLAC -- ret -+ ASM_USER_ACCESS_END -+ FRAME_END -+ pax_ret copy_user_generic_unrolled - - .section .fixup,"ax" - 30: shll $6,%ecx -@@ -135,7 +118,8 @@ ENTRY(copy_user_generic_unrolled) - 40: leal (%rdx,%rcx,8),%edx - jmp 60f - 50: movl %ecx,%edx --60: jmp copy_user_handle_tail /* ecx is zerorest also */ -+60: FRAME_END -+ jmp copy_user_handle_tail /* ecx is zerorest also */ - .previous - - _ASM_EXTABLE(1b,30b) -@@ -180,7 +164,8 @@ EXPORT_SYMBOL(copy_user_generic_unrolled) - * eax uncopied bytes or 0 if successful. - */ - ENTRY(copy_user_generic_string) -- ASM_STAC -+ FRAME_BEGIN -+ ASM_USER_ACCESS_BEGIN - cmpl $8,%edx - jb 2f /* less than 8 bytes, go to byte copy loop */ - ALIGN_DESTINATION -@@ -193,12 +178,14 @@ ENTRY(copy_user_generic_string) - 3: rep - movsb - xorl %eax,%eax -- ASM_CLAC -- ret -+ ASM_USER_ACCESS_END -+ FRAME_END -+ pax_ret copy_user_generic_string - - .section .fixup,"ax" - 11: leal (%rdx,%rcx,8),%ecx - 12: movl %ecx,%edx /* ecx is zerorest also */ -+ FRAME_END - jmp copy_user_handle_tail - .previous - -@@ -220,16 +207,19 @@ EXPORT_SYMBOL(copy_user_generic_string) - * eax uncopied bytes or 0 if successful. - */ - ENTRY(copy_user_enhanced_fast_string) -- ASM_STAC -+ FRAME_BEGIN -+ ASM_USER_ACCESS_BEGIN - movl %edx,%ecx - 1: rep - movsb - xorl %eax,%eax -- ASM_CLAC -- ret -+ ASM_USER_ACCESS_END -+ FRAME_END -+ pax_ret copy_user_enhanced_fast_string - - .section .fixup,"ax" - 12: movl %ecx,%edx /* ecx is zerorest also */ -+ FRAME_END - jmp copy_user_handle_tail - .previous - -@@ -247,7 +237,17 @@ EXPORT_SYMBOL(copy_user_enhanced_fast_string) - * - Require 4-byte alignment when size is 4 bytes. - */ - ENTRY(__copy_user_nocache) -- ASM_STAC -+ FRAME_BEGIN -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ mov pax_user_shadow_base,%rcx -+ cmp %rcx,%rsi -+ jae 1f -+ add %rcx,%rsi -+1: -+#endif -+ -+ ASM_USER_ACCESS_BEGIN - - /* If size is less than 8 bytes, go to 4-byte copy */ - cmpl $8,%edx -@@ -341,9 +341,10 @@ ENTRY(__copy_user_nocache) - /* Finished copying; fence the prior stores */ - .L_finish_copy: - xorl %eax,%eax -- ASM_CLAC -+ ASM_USER_ACCESS_END - sfence -- ret -+ FRAME_END -+ pax_ret __copy_user_nocache - - .section .fixup,"ax" - .L_fixup_4x8b_copy: -@@ -360,6 +361,7 @@ ENTRY(__copy_user_nocache) - movl %ecx,%edx - .L_fixup_handle_tail: - sfence -+ FRAME_END - jmp copy_user_handle_tail - .previous - -diff --git a/arch/x86/lib/csum-copy_64.S b/arch/x86/lib/csum-copy_64.S -index 7e48807..627b003 100644 ---- a/arch/x86/lib/csum-copy_64.S -+++ b/arch/x86/lib/csum-copy_64.S -@@ -8,6 +8,7 @@ - #include - #include - #include -+#include - - /* - * Checksum copy with exception handling. -@@ -52,7 +53,7 @@ ENTRY(csum_partial_copy_generic) - .Lignore: - subq $7*8, %rsp - movq %rbx, 2*8(%rsp) -- movq %r12, 3*8(%rsp) -+ movq %r15, 3*8(%rsp) - movq %r14, 4*8(%rsp) - movq %r13, 5*8(%rsp) - movq %rbp, 6*8(%rsp) -@@ -64,16 +65,16 @@ ENTRY(csum_partial_copy_generic) - movl %edx, %ecx - - xorl %r9d, %r9d -- movq %rcx, %r12 -+ movq %rcx, %r15 - -- shrq $6, %r12 -+ shrq $6, %r15 - jz .Lhandle_tail /* < 64 */ - - clc - - /* main loop. clear in 64 byte blocks */ - /* r9: zero, r8: temp2, rbx: temp1, rax: sum, rcx: saved length */ -- /* r11: temp3, rdx: temp4, r12 loopcnt */ -+ /* r11: temp3, rdx: temp4, r15 loopcnt */ - /* r10: temp5, rbp: temp6, r14 temp7, r13 temp8 */ - .p2align 4 - .Lloop: -@@ -107,7 +108,7 @@ ENTRY(csum_partial_copy_generic) - adcq %r14, %rax - adcq %r13, %rax - -- decl %r12d -+ decl %r15d - - dest - movq %rbx, (%rsi) -@@ -200,12 +201,12 @@ ENTRY(csum_partial_copy_generic) - - .Lende: - movq 2*8(%rsp), %rbx -- movq 3*8(%rsp), %r12 -+ movq 3*8(%rsp), %r15 - movq 4*8(%rsp), %r14 - movq 5*8(%rsp), %r13 - movq 6*8(%rsp), %rbp - addq $7*8, %rsp -- ret -+ pax_ret csum_partial_copy_generic - - /* Exception handlers. Very simple, zeroing is done in the wrappers */ - .Lbad_source: -diff --git a/arch/x86/lib/csum-wrappers_64.c b/arch/x86/lib/csum-wrappers_64.c -index 8bd5358..a6c9102 100644 ---- a/arch/x86/lib/csum-wrappers_64.c -+++ b/arch/x86/lib/csum-wrappers_64.c -@@ -53,10 +53,10 @@ csum_partial_copy_from_user(const void __user *src, void *dst, - len -= 2; - } - } -- stac(); -- isum = csum_partial_copy_generic((__force const void *)src, -+ user_access_begin(); -+ isum = csum_partial_copy_generic((const void __force_kernel *)____m(src), - dst, len, isum, errp, NULL); -- clac(); -+ user_access_end(); - if (unlikely(*errp)) - goto out_err; - -@@ -110,10 +110,10 @@ csum_partial_copy_to_user(const void *src, void __user *dst, - } - - *errp = 0; -- stac(); -- ret = csum_partial_copy_generic(src, (void __force *)dst, -+ user_access_begin(); -+ ret = csum_partial_copy_generic(src, (void __force_kernel *)____m(dst), - len, isum, NULL, errp); -- clac(); -+ user_access_end(); - return ret; - } - EXPORT_SYMBOL(csum_partial_copy_to_user); -diff --git a/arch/x86/lib/getuser.S b/arch/x86/lib/getuser.S -index 37b62d4..07a73dc 100644 ---- a/arch/x86/lib/getuser.S -+++ b/arch/x86/lib/getuser.S -@@ -33,72 +33,140 @@ - #include - #include - #include -+#include -+#include -+#include -+#include -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define __copyuser_seg gs; -+#else -+#define __copyuser_seg -+#endif - - .text - ENTRY(__get_user_1) -+ FRAME_BEGIN -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) - mov PER_CPU_VAR(current_task), %_ASM_DX - cmp TASK_addr_limit(%_ASM_DX),%_ASM_AX - jae bad_get_user -- ASM_STAC --1: movzbl (%_ASM_AX),%edx -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_DX -+ cmp %_ASM_DX,%_ASM_AX -+ jae 1234f -+ add %_ASM_DX,%_ASM_AX -+1234: -+#endif -+ -+#endif -+ -+ ASM_USER_ACCESS_BEGIN -+1: __copyuser_seg movzbl (%_ASM_AX),%edx - xor %eax,%eax -- ASM_CLAC -- ret -+ ASM_USER_ACCESS_END -+ FRAME_END -+ pax_ret __get_user_1 - ENDPROC(__get_user_1) - EXPORT_SYMBOL(__get_user_1) - - ENTRY(__get_user_2) -+ FRAME_BEGIN - add $1,%_ASM_AX -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) - jc bad_get_user - mov PER_CPU_VAR(current_task), %_ASM_DX - cmp TASK_addr_limit(%_ASM_DX),%_ASM_AX - jae bad_get_user -- ASM_STAC --2: movzwl -1(%_ASM_AX),%edx -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_DX -+ cmp %_ASM_DX,%_ASM_AX -+ jae 1234f -+ add %_ASM_DX,%_ASM_AX -+1234: -+#endif -+ -+#endif -+ -+ ASM_USER_ACCESS_BEGIN -+2: __copyuser_seg movzwl -1(%_ASM_AX),%edx - xor %eax,%eax -- ASM_CLAC -- ret -+ ASM_USER_ACCESS_END -+ FRAME_END -+ pax_ret __get_user_2 - ENDPROC(__get_user_2) - EXPORT_SYMBOL(__get_user_2) - - ENTRY(__get_user_4) -+ FRAME_BEGIN - add $3,%_ASM_AX -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) - jc bad_get_user - mov PER_CPU_VAR(current_task), %_ASM_DX - cmp TASK_addr_limit(%_ASM_DX),%_ASM_AX - jae bad_get_user -- ASM_STAC --3: movl -3(%_ASM_AX),%edx -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_DX -+ cmp %_ASM_DX,%_ASM_AX -+ jae 1234f -+ add %_ASM_DX,%_ASM_AX -+1234: -+#endif -+ -+#endif -+ -+ ASM_USER_ACCESS_BEGIN -+3: __copyuser_seg movl -3(%_ASM_AX),%edx - xor %eax,%eax -- ASM_CLAC -- ret -+ ASM_USER_ACCESS_END -+ FRAME_END -+ pax_ret __get_user_4 - ENDPROC(__get_user_4) - EXPORT_SYMBOL(__get_user_4) - - ENTRY(__get_user_8) -+ FRAME_BEGIN -+ - #ifdef CONFIG_X86_64 - add $7,%_ASM_AX - jc bad_get_user - mov PER_CPU_VAR(current_task), %_ASM_DX - cmp TASK_addr_limit(%_ASM_DX),%_ASM_AX - jae bad_get_user -- ASM_STAC -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ mov pax_user_shadow_base,%_ASM_DX -+ cmp %_ASM_DX,%_ASM_AX -+ jae 1234f -+ add %_ASM_DX,%_ASM_AX -+1234: -+#endif -+ -+ ASM_USER_ACCESS_BEGIN - 4: movq -7(%_ASM_AX),%rdx - xor %eax,%eax -- ASM_CLAC -- ret -+ ASM_USER_ACCESS_END -+ FRAME_END -+ pax_ret __get_user_8 - #else - add $7,%_ASM_AX - jc bad_get_user_8 - mov PER_CPU_VAR(current_task), %_ASM_DX - cmp TASK_addr_limit(%_ASM_DX),%_ASM_AX - jae bad_get_user_8 -- ASM_STAC --4: movl -7(%_ASM_AX),%edx --5: movl -3(%_ASM_AX),%ecx -+ ASM_USER_ACCESS_BEGIN -+4: __copyuser_seg movl -7(%_ASM_AX),%edx -+5: __copyuser_seg movl -3(%_ASM_AX),%ecx - xor %eax,%eax -- ASM_CLAC -- ret -+ ASM_USER_ACCESS_END -+ FRAME_END -+ pax_ret __get_user_8 - #endif - ENDPROC(__get_user_8) - EXPORT_SYMBOL(__get_user_8) -@@ -107,8 +175,9 @@ EXPORT_SYMBOL(__get_user_8) - bad_get_user: - xor %edx,%edx - mov $(-EFAULT),%_ASM_AX -- ASM_CLAC -- ret -+ ASM_USER_ACCESS_END -+ FRAME_END -+ pax_ret __get_user_bad - END(bad_get_user) - - #ifdef CONFIG_X86_32 -@@ -116,8 +185,9 @@ bad_get_user_8: - xor %edx,%edx - xor %ecx,%ecx - mov $(-EFAULT),%_ASM_AX -- ASM_CLAC -- ret -+ ASM_USER_ACCESS_END -+ FRAME_END -+ pax_ret __get_user_bad - END(bad_get_user_8) - #endif - -diff --git a/arch/x86/lib/hweight.S b/arch/x86/lib/hweight.S -index 23d893c..688a0aa 100644 ---- a/arch/x86/lib/hweight.S -+++ b/arch/x86/lib/hweight.S -@@ -1,7 +1,7 @@ - #include - #include - --#include -+#include - - /* - * unsigned int __sw_hweight32(unsigned int w) -@@ -31,7 +31,7 @@ ENTRY(__sw_hweight32) - imull $0x01010101, %eax, %eax # w_tmp *= 0x01010101 - shrl $24, %eax # w = w_tmp >> 24 - __ASM_SIZE(pop,) %__ASM_REG(dx) -- ret -+ pax_ret __sw_hweight32 - ENDPROC(__sw_hweight32) - EXPORT_SYMBOL(__sw_hweight32) - -@@ -64,19 +64,19 @@ ENTRY(__sw_hweight64) - - popq %rdx - popq %rdi -- ret -+ pax_ret __sw_hweight64 - #else /* CONFIG_X86_32 */ - /* We're getting an u64 arg in (%eax,%edx): unsigned long hweight64(__u64 w) */ - pushl %ecx - -- call __sw_hweight32 -+ pax_direct_call __sw_hweight32 - movl %eax, %ecx # stash away result - movl %edx, %eax # second part of input -- call __sw_hweight32 -+ pax_direct_call __sw_hweight32 - addl %ecx, %eax # result - - popl %ecx -- ret -+ pax_ret __sw_hweight64 - #endif - ENDPROC(__sw_hweight64) - EXPORT_SYMBOL(__sw_hweight64) -diff --git a/arch/x86/lib/insn.c b/arch/x86/lib/insn.c -index 1088eb8..fac8468 100644 ---- a/arch/x86/lib/insn.c -+++ b/arch/x86/lib/insn.c -@@ -20,8 +20,10 @@ - - #ifdef __KERNEL__ - #include -+#include - #else - #include -+#define ktla_ktva(addr) addr - #endif - #include - #include -@@ -60,9 +62,9 @@ void insn_init(struct insn *insn, const void *kaddr, int buf_len, int x86_64) - buf_len = MAX_INSN_SIZE; - - memset(insn, 0, sizeof(*insn)); -- insn->kaddr = kaddr; -- insn->end_kaddr = kaddr + buf_len; -- insn->next_byte = kaddr; -+ insn->kaddr = (void *)ktla_ktva((unsigned long)kaddr); -+ insn->end_kaddr = insn->kaddr + buf_len; -+ insn->next_byte = insn->kaddr; - insn->x86_64 = x86_64 ? 1 : 0; - insn->opnd_bytes = 4; - if (x86_64) -diff --git a/arch/x86/lib/iomap_copy_64.S b/arch/x86/lib/iomap_copy_64.S -index 33147fe..fb022d0 100644 ---- a/arch/x86/lib/iomap_copy_64.S -+++ b/arch/x86/lib/iomap_copy_64.S -@@ -16,6 +16,7 @@ - */ - - #include -+#include - - /* - * override generic version in lib/iomap_copy.c -@@ -23,5 +24,5 @@ - ENTRY(__iowrite32_copy) - movl %edx,%ecx - rep movsd -- ret -+ pax_ret __iowrite32_copy - ENDPROC(__iowrite32_copy) -diff --git a/arch/x86/lib/memcpy_64.S b/arch/x86/lib/memcpy_64.S -index 9a53a06..275443c 100644 ---- a/arch/x86/lib/memcpy_64.S -+++ b/arch/x86/lib/memcpy_64.S -@@ -38,7 +38,7 @@ ENTRY(memcpy) - rep movsq - movl %edx, %ecx - rep movsb -- ret -+ pax_ret memcpy - ENDPROC(memcpy) - ENDPROC(__memcpy) - EXPORT_SYMBOL(memcpy) -@@ -52,7 +52,7 @@ ENTRY(memcpy_erms) - movq %rdi, %rax - movq %rdx, %rcx - rep movsb -- ret -+ pax_ret memcpy - ENDPROC(memcpy_erms) - - ENTRY(memcpy_orig) -@@ -136,7 +136,7 @@ ENTRY(memcpy_orig) - movq %r9, 1*8(%rdi) - movq %r10, -2*8(%rdi, %rdx) - movq %r11, -1*8(%rdi, %rdx) -- retq -+ pax_ret memcpy - .p2align 4 - .Lless_16bytes: - cmpl $8, %edx -@@ -148,7 +148,7 @@ ENTRY(memcpy_orig) - movq -1*8(%rsi, %rdx), %r9 - movq %r8, 0*8(%rdi) - movq %r9, -1*8(%rdi, %rdx) -- retq -+ pax_ret memcpy - .p2align 4 - .Lless_8bytes: - cmpl $4, %edx -@@ -161,7 +161,7 @@ ENTRY(memcpy_orig) - movl -4(%rsi, %rdx), %r8d - movl %ecx, (%rdi) - movl %r8d, -4(%rdi, %rdx) -- retq -+ pax_ret memcpy - .p2align 4 - .Lless_3bytes: - subl $1, %edx -@@ -179,7 +179,7 @@ ENTRY(memcpy_orig) - movb %cl, (%rdi) - - .Lend: -- retq -+ pax_ret memcpy - ENDPROC(memcpy_orig) - - #ifndef CONFIG_UML -@@ -275,7 +275,7 @@ ENTRY(memcpy_mcsafe_unrolled) - /* Copy successful. Return zero */ - .L_done_memcpy_trap: - xorq %rax, %rax -- ret -+ pax_ret memcpy - ENDPROC(memcpy_mcsafe_unrolled) - EXPORT_SYMBOL_GPL(memcpy_mcsafe_unrolled) - -@@ -283,7 +283,7 @@ EXPORT_SYMBOL_GPL(memcpy_mcsafe_unrolled) - /* Return -EFAULT for any failure */ - .L_memcpy_mcsafe_fail: - mov $-EFAULT, %rax -- ret -+ pax_ret memcpy - - .previous - -diff --git a/arch/x86/lib/memmove_64.S b/arch/x86/lib/memmove_64.S -index 15de86c..cf88176 100644 ---- a/arch/x86/lib/memmove_64.S -+++ b/arch/x86/lib/memmove_64.S -@@ -42,7 +42,7 @@ ENTRY(__memmove) - jg 2f - - .Lmemmove_begin_forward: -- ALTERNATIVE "", "movq %rdx, %rcx; rep movsb; retq", X86_FEATURE_ERMS -+ ALTERNATIVE "", "movq %rdx, %rcx; rep movsb; pax_ret memmove", X86_FEATURE_ERMS - - /* - * movsq instruction have many startup latency -@@ -205,7 +205,7 @@ ENTRY(__memmove) - movb (%rsi), %r11b - movb %r11b, (%rdi) - 13: -- retq -+ pax_ret memmove - ENDPROC(__memmove) - ENDPROC(memmove) - EXPORT_SYMBOL(__memmove) -diff --git a/arch/x86/lib/memset_64.S b/arch/x86/lib/memset_64.S -index 55b95db..7b10626 100644 ---- a/arch/x86/lib/memset_64.S -+++ b/arch/x86/lib/memset_64.S -@@ -41,7 +41,7 @@ ENTRY(__memset) - movl %edx,%ecx - rep stosb - movq %r9,%rax -- ret -+ pax_ret memset - ENDPROC(memset) - ENDPROC(__memset) - EXPORT_SYMBOL(memset) -@@ -64,7 +64,7 @@ ENTRY(memset_erms) - movq %rdx,%rcx - rep stosb - movq %r9,%rax -- ret -+ pax_ret memset - ENDPROC(memset_erms) - - ENTRY(memset_orig) -@@ -126,7 +126,7 @@ ENTRY(memset_orig) - - .Lende: - movq %r10,%rax -- ret -+ pax_ret memset - - .Lbad_alignment: - cmpq $7,%rdx -diff --git a/arch/x86/lib/mmx_32.c b/arch/x86/lib/mmx_32.c -index c2311a6..3b01ad9 100644 ---- a/arch/x86/lib/mmx_32.c -+++ b/arch/x86/lib/mmx_32.c -@@ -29,6 +29,7 @@ void *_mmx_memcpy(void *to, const void *from, size_t len) - { - void *p; - int i; -+ unsigned long cr0; - - if (unlikely(in_interrupt())) - return __memcpy(to, from, len); -@@ -39,44 +40,72 @@ void *_mmx_memcpy(void *to, const void *from, size_t len) - kernel_fpu_begin(); - - __asm__ __volatile__ ( -- "1: prefetch (%0)\n" /* This set is 28 bytes */ -- " prefetch 64(%0)\n" -- " prefetch 128(%0)\n" -- " prefetch 192(%0)\n" -- " prefetch 256(%0)\n" -+ "1: prefetch (%1)\n" /* This set is 28 bytes */ -+ " prefetch 64(%1)\n" -+ " prefetch 128(%1)\n" -+ " prefetch 192(%1)\n" -+ " prefetch 256(%1)\n" - "2: \n" - ".section .fixup, \"ax\"\n" -- "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ "3: \n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" - _ASM_EXTABLE(1b, 3b) -- : : "r" (from)); -+ : "=&r" (cr0) : "r" (from) : "ax"); - - for ( ; i > 5; i--) { - __asm__ __volatile__ ( -- "1: prefetch 320(%0)\n" -- "2: movq (%0), %%mm0\n" -- " movq 8(%0), %%mm1\n" -- " movq 16(%0), %%mm2\n" -- " movq 24(%0), %%mm3\n" -- " movq %%mm0, (%1)\n" -- " movq %%mm1, 8(%1)\n" -- " movq %%mm2, 16(%1)\n" -- " movq %%mm3, 24(%1)\n" -- " movq 32(%0), %%mm0\n" -- " movq 40(%0), %%mm1\n" -- " movq 48(%0), %%mm2\n" -- " movq 56(%0), %%mm3\n" -- " movq %%mm0, 32(%1)\n" -- " movq %%mm1, 40(%1)\n" -- " movq %%mm2, 48(%1)\n" -- " movq %%mm3, 56(%1)\n" -+ "1: prefetch 320(%1)\n" -+ "2: movq (%1), %%mm0\n" -+ " movq 8(%1), %%mm1\n" -+ " movq 16(%1), %%mm2\n" -+ " movq 24(%1), %%mm3\n" -+ " movq %%mm0, (%2)\n" -+ " movq %%mm1, 8(%2)\n" -+ " movq %%mm2, 16(%2)\n" -+ " movq %%mm3, 24(%2)\n" -+ " movq 32(%1), %%mm0\n" -+ " movq 40(%1), %%mm1\n" -+ " movq 48(%1), %%mm2\n" -+ " movq 56(%1), %%mm3\n" -+ " movq %%mm0, 32(%2)\n" -+ " movq %%mm1, 40(%2)\n" -+ " movq %%mm2, 48(%2)\n" -+ " movq %%mm3, 56(%2)\n" - ".section .fixup, \"ax\"\n" -- "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ "3:\n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" - _ASM_EXTABLE(1b, 3b) -- : : "r" (from), "r" (to) : "memory"); -+ : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax"); - - from += 64; - to += 64; -@@ -158,6 +187,7 @@ static void fast_clear_page(void *page) - static void fast_copy_page(void *to, void *from) - { - int i; -+ unsigned long cr0; - - kernel_fpu_begin(); - -@@ -166,42 +196,70 @@ static void fast_copy_page(void *to, void *from) - * but that is for later. -AV - */ - __asm__ __volatile__( -- "1: prefetch (%0)\n" -- " prefetch 64(%0)\n" -- " prefetch 128(%0)\n" -- " prefetch 192(%0)\n" -- " prefetch 256(%0)\n" -+ "1: prefetch (%1)\n" -+ " prefetch 64(%1)\n" -+ " prefetch 128(%1)\n" -+ " prefetch 192(%1)\n" -+ " prefetch 256(%1)\n" - "2: \n" - ".section .fixup, \"ax\"\n" -- "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ "3: \n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" -- _ASM_EXTABLE(1b, 3b) : : "r" (from)); -+ _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from) : "ax"); - - for (i = 0; i < (4096-320)/64; i++) { - __asm__ __volatile__ ( -- "1: prefetch 320(%0)\n" -- "2: movq (%0), %%mm0\n" -- " movntq %%mm0, (%1)\n" -- " movq 8(%0), %%mm1\n" -- " movntq %%mm1, 8(%1)\n" -- " movq 16(%0), %%mm2\n" -- " movntq %%mm2, 16(%1)\n" -- " movq 24(%0), %%mm3\n" -- " movntq %%mm3, 24(%1)\n" -- " movq 32(%0), %%mm4\n" -- " movntq %%mm4, 32(%1)\n" -- " movq 40(%0), %%mm5\n" -- " movntq %%mm5, 40(%1)\n" -- " movq 48(%0), %%mm6\n" -- " movntq %%mm6, 48(%1)\n" -- " movq 56(%0), %%mm7\n" -- " movntq %%mm7, 56(%1)\n" -+ "1: prefetch 320(%1)\n" -+ "2: movq (%1), %%mm0\n" -+ " movntq %%mm0, (%2)\n" -+ " movq 8(%1), %%mm1\n" -+ " movntq %%mm1, 8(%2)\n" -+ " movq 16(%1), %%mm2\n" -+ " movntq %%mm2, 16(%2)\n" -+ " movq 24(%1), %%mm3\n" -+ " movntq %%mm3, 24(%2)\n" -+ " movq 32(%1), %%mm4\n" -+ " movntq %%mm4, 32(%2)\n" -+ " movq 40(%1), %%mm5\n" -+ " movntq %%mm5, 40(%2)\n" -+ " movq 48(%1), %%mm6\n" -+ " movntq %%mm6, 48(%2)\n" -+ " movq 56(%1), %%mm7\n" -+ " movntq %%mm7, 56(%2)\n" - ".section .fixup, \"ax\"\n" -- "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ "3:\n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" -- _ASM_EXTABLE(1b, 3b) : : "r" (from), "r" (to) : "memory"); -+ _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax"); - - from += 64; - to += 64; -@@ -280,47 +338,76 @@ static void fast_clear_page(void *page) - static void fast_copy_page(void *to, void *from) - { - int i; -+ unsigned long cr0; - - kernel_fpu_begin(); - - __asm__ __volatile__ ( -- "1: prefetch (%0)\n" -- " prefetch 64(%0)\n" -- " prefetch 128(%0)\n" -- " prefetch 192(%0)\n" -- " prefetch 256(%0)\n" -+ "1: prefetch (%1)\n" -+ " prefetch 64(%1)\n" -+ " prefetch 128(%1)\n" -+ " prefetch 192(%1)\n" -+ " prefetch 256(%1)\n" - "2: \n" - ".section .fixup, \"ax\"\n" -- "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ "3: \n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" -- _ASM_EXTABLE(1b, 3b) : : "r" (from)); -+ _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from) : "ax"); - - for (i = 0; i < 4096/64; i++) { - __asm__ __volatile__ ( -- "1: prefetch 320(%0)\n" -- "2: movq (%0), %%mm0\n" -- " movq 8(%0), %%mm1\n" -- " movq 16(%0), %%mm2\n" -- " movq 24(%0), %%mm3\n" -- " movq %%mm0, (%1)\n" -- " movq %%mm1, 8(%1)\n" -- " movq %%mm2, 16(%1)\n" -- " movq %%mm3, 24(%1)\n" -- " movq 32(%0), %%mm0\n" -- " movq 40(%0), %%mm1\n" -- " movq 48(%0), %%mm2\n" -- " movq 56(%0), %%mm3\n" -- " movq %%mm0, 32(%1)\n" -- " movq %%mm1, 40(%1)\n" -- " movq %%mm2, 48(%1)\n" -- " movq %%mm3, 56(%1)\n" -+ "1: prefetch 320(%1)\n" -+ "2: movq (%1), %%mm0\n" -+ " movq 8(%1), %%mm1\n" -+ " movq 16(%1), %%mm2\n" -+ " movq 24(%1), %%mm3\n" -+ " movq %%mm0, (%2)\n" -+ " movq %%mm1, 8(%2)\n" -+ " movq %%mm2, 16(%2)\n" -+ " movq %%mm3, 24(%2)\n" -+ " movq 32(%1), %%mm0\n" -+ " movq 40(%1), %%mm1\n" -+ " movq 48(%1), %%mm2\n" -+ " movq 56(%1), %%mm3\n" -+ " movq %%mm0, 32(%2)\n" -+ " movq %%mm1, 40(%2)\n" -+ " movq %%mm2, 48(%2)\n" -+ " movq %%mm3, 56(%2)\n" - ".section .fixup, \"ax\"\n" -- "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ "3:\n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" - _ASM_EXTABLE(1b, 3b) -- : : "r" (from), "r" (to) : "memory"); -+ : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax"); - - from += 64; - to += 64; -diff --git a/arch/x86/lib/msr-reg.S b/arch/x86/lib/msr-reg.S -index c815564..345ff91 100644 ---- a/arch/x86/lib/msr-reg.S -+++ b/arch/x86/lib/msr-reg.S -@@ -2,6 +2,7 @@ - #include - #include - #include -+#include - - #ifdef CONFIG_X86_64 - /* -@@ -34,7 +35,7 @@ ENTRY(\op\()_safe_regs) - movl %edi, 28(%r10) - popq %rbp - popq %rbx -- ret -+ pax_ret \op\()_safe_regs - 3: - movl $-EIO, %r11d - jmp 2b -@@ -76,7 +77,7 @@ ENTRY(\op\()_safe_regs) - popl %esi - popl %ebp - popl %ebx -- ret -+ pax_ret \op\()_safe_regs - 3: - movl $-EIO, 4(%esp) - jmp 2b -diff --git a/arch/x86/lib/putuser.S b/arch/x86/lib/putuser.S -index cd5d716..146f981 100644 ---- a/arch/x86/lib/putuser.S -+++ b/arch/x86/lib/putuser.S -@@ -16,7 +16,10 @@ - #include - #include - #include -- -+#include -+#include -+#include -+#include - - /* - * __put_user_X -@@ -30,17 +33,44 @@ - * as they get called from within inline assembly. - */ - --#define ENTER mov PER_CPU_VAR(current_task), %_ASM_BX --#define EXIT ASM_CLAC ; \ -- ret -+#define ENTER FRAME_BEGIN -+#define EXIT ASM_USER_ACCESS_END ; \ -+ FRAME_END ; \ -+ pax_ret __put_user_1 -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define _DEST %_ASM_CX,%_ASM_BX -+#else -+#define _DEST %_ASM_CX -+#endif -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define __copyuser_seg gs; -+#else -+#define __copyuser_seg -+#endif - - .text - ENTRY(__put_user_1) - ENTER -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov PER_CPU_VAR(current_task), %_ASM_BX - cmp TASK_addr_limit(%_ASM_BX),%_ASM_CX - jae bad_put_user -- ASM_STAC --1: movb %al,(%_ASM_CX) -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_BX -+ cmp %_ASM_BX,%_ASM_CX -+ jb 1234f -+ xor %ebx,%ebx -+1234: -+#endif -+ -+#endif -+ -+ ASM_USER_ACCESS_BEGIN -+1: __copyuser_seg movb %al,(_DEST) - xor %eax,%eax - EXIT - ENDPROC(__put_user_1) -@@ -48,12 +78,26 @@ EXPORT_SYMBOL(__put_user_1) - - ENTRY(__put_user_2) - ENTER -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov PER_CPU_VAR(current_task), %_ASM_BX - mov TASK_addr_limit(%_ASM_BX),%_ASM_BX - sub $1,%_ASM_BX - cmp %_ASM_BX,%_ASM_CX - jae bad_put_user -- ASM_STAC --2: movw %ax,(%_ASM_CX) -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_BX -+ cmp %_ASM_BX,%_ASM_CX -+ jb 1234f -+ xor %ebx,%ebx -+1234: -+#endif -+ -+#endif -+ -+ ASM_USER_ACCESS_BEGIN -+2: __copyuser_seg movw %ax,(_DEST) - xor %eax,%eax - EXIT - ENDPROC(__put_user_2) -@@ -61,12 +105,26 @@ EXPORT_SYMBOL(__put_user_2) - - ENTRY(__put_user_4) - ENTER -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov PER_CPU_VAR(current_task), %_ASM_BX - mov TASK_addr_limit(%_ASM_BX),%_ASM_BX - sub $3,%_ASM_BX - cmp %_ASM_BX,%_ASM_CX - jae bad_put_user -- ASM_STAC --3: movl %eax,(%_ASM_CX) -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_BX -+ cmp %_ASM_BX,%_ASM_CX -+ jb 1234f -+ xor %ebx,%ebx -+1234: -+#endif -+ -+#endif -+ -+ ASM_USER_ACCESS_BEGIN -+3: __copyuser_seg movl %eax,(_DEST) - xor %eax,%eax - EXIT - ENDPROC(__put_user_4) -@@ -74,14 +132,28 @@ EXPORT_SYMBOL(__put_user_4) - - ENTRY(__put_user_8) - ENTER -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov PER_CPU_VAR(current_task), %_ASM_BX - mov TASK_addr_limit(%_ASM_BX),%_ASM_BX - sub $7,%_ASM_BX - cmp %_ASM_BX,%_ASM_CX - jae bad_put_user -- ASM_STAC --4: mov %_ASM_AX,(%_ASM_CX) -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_BX -+ cmp %_ASM_BX,%_ASM_CX -+ jb 1234f -+ xor %ebx,%ebx -+1234: -+#endif -+ -+#endif -+ -+ ASM_USER_ACCESS_BEGIN -+4: __copyuser_seg mov %_ASM_AX,(_DEST) - #ifdef CONFIG_X86_32 --5: movl %edx,4(%_ASM_CX) -+5: __copyuser_seg movl %edx,4(_DEST) - #endif - xor %eax,%eax - EXIT -diff --git a/arch/x86/lib/rwsem.S b/arch/x86/lib/rwsem.S -index bf2c607..3ca297d 100644 ---- a/arch/x86/lib/rwsem.S -+++ b/arch/x86/lib/rwsem.S -@@ -91,31 +91,31 @@ ENTRY(call_rwsem_down_read_failed) - save_common_regs - __ASM_SIZE(push,) %__ASM_REG(dx) - movq %rax,%rdi -- call rwsem_down_read_failed -+ pax_direct_call rwsem_down_read_failed - __ASM_SIZE(pop,) %__ASM_REG(dx) - restore_common_regs - FRAME_END -- ret -+ pax_ret rwsem_down_read_failed - ENDPROC(call_rwsem_down_read_failed) - - ENTRY(call_rwsem_down_write_failed) - FRAME_BEGIN - save_common_regs - movq %rax,%rdi -- call rwsem_down_write_failed -+ pax_direct_call rwsem_down_write_failed - restore_common_regs - FRAME_END -- ret -+ pax_ret rwsem_down_write_failed - ENDPROC(call_rwsem_down_write_failed) - - ENTRY(call_rwsem_down_write_failed_killable) - FRAME_BEGIN - save_common_regs - movq %rax,%rdi -- call rwsem_down_write_failed_killable -+ pax_direct_call rwsem_down_write_failed_killable - restore_common_regs - FRAME_END -- ret -+ pax_ret rwsem_down_write_failed_killable - ENDPROC(call_rwsem_down_write_failed_killable) - - ENTRY(call_rwsem_wake) -@@ -125,10 +125,10 @@ ENTRY(call_rwsem_wake) - jnz 1f - save_common_regs - movq %rax,%rdi -- call rwsem_wake -+ pax_direct_call rwsem_wake - restore_common_regs - 1: FRAME_END -- ret -+ pax_ret rwsem_wake - ENDPROC(call_rwsem_wake) - - ENTRY(call_rwsem_downgrade_wake) -@@ -136,9 +136,9 @@ ENTRY(call_rwsem_downgrade_wake) - save_common_regs - __ASM_SIZE(push,) %__ASM_REG(dx) - movq %rax,%rdi -- call rwsem_downgrade_wake -+ pax_direct_call rwsem_downgrade_wake - __ASM_SIZE(pop,) %__ASM_REG(dx) - restore_common_regs - FRAME_END -- ret -+ pax_ret rwsem_downgrade_wake - ENDPROC(call_rwsem_downgrade_wake) -diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c -index 3bc7baf..aa7d985 100644 ---- a/arch/x86/lib/usercopy_32.c -+++ b/arch/x86/lib/usercopy_32.c -@@ -42,11 +42,13 @@ do { \ - int __d0; \ - might_fault(); \ - __asm__ __volatile__( \ -+ __COPYUSER_SET_ES \ - ASM_STAC "\n" \ - "0: rep; stosl\n" \ - " movl %2,%0\n" \ - "1: rep; stosb\n" \ - "2: " ASM_CLAC "\n" \ -+ __COPYUSER_RESTORE_ES \ - ".section .fixup,\"ax\"\n" \ - "3: lea 0(%2,%0,4),%0\n" \ - " jmp 2b\n" \ -@@ -98,7 +100,7 @@ EXPORT_SYMBOL(__clear_user); - - #ifdef CONFIG_X86_INTEL_USERCOPY - static unsigned long --__copy_user_intel(void __user *to, const void *from, unsigned long size) -+__generic_copy_to_user_intel(void __user *to, const void *from, unsigned long size) - { - int d0, d1; - __asm__ __volatile__( -@@ -110,36 +112,36 @@ __copy_user_intel(void __user *to, const void *from, unsigned long size) - " .align 2,0x90\n" - "3: movl 0(%4), %%eax\n" - "4: movl 4(%4), %%edx\n" -- "5: movl %%eax, 0(%3)\n" -- "6: movl %%edx, 4(%3)\n" -+ "5: "__copyuser_seg" movl %%eax, 0(%3)\n" -+ "6: "__copyuser_seg" movl %%edx, 4(%3)\n" - "7: movl 8(%4), %%eax\n" - "8: movl 12(%4),%%edx\n" -- "9: movl %%eax, 8(%3)\n" -- "10: movl %%edx, 12(%3)\n" -+ "9: "__copyuser_seg" movl %%eax, 8(%3)\n" -+ "10: "__copyuser_seg" movl %%edx, 12(%3)\n" - "11: movl 16(%4), %%eax\n" - "12: movl 20(%4), %%edx\n" -- "13: movl %%eax, 16(%3)\n" -- "14: movl %%edx, 20(%3)\n" -+ "13: "__copyuser_seg" movl %%eax, 16(%3)\n" -+ "14: "__copyuser_seg" movl %%edx, 20(%3)\n" - "15: movl 24(%4), %%eax\n" - "16: movl 28(%4), %%edx\n" -- "17: movl %%eax, 24(%3)\n" -- "18: movl %%edx, 28(%3)\n" -+ "17: "__copyuser_seg" movl %%eax, 24(%3)\n" -+ "18: "__copyuser_seg" movl %%edx, 28(%3)\n" - "19: movl 32(%4), %%eax\n" - "20: movl 36(%4), %%edx\n" -- "21: movl %%eax, 32(%3)\n" -- "22: movl %%edx, 36(%3)\n" -+ "21: "__copyuser_seg" movl %%eax, 32(%3)\n" -+ "22: "__copyuser_seg" movl %%edx, 36(%3)\n" - "23: movl 40(%4), %%eax\n" - "24: movl 44(%4), %%edx\n" -- "25: movl %%eax, 40(%3)\n" -- "26: movl %%edx, 44(%3)\n" -+ "25: "__copyuser_seg" movl %%eax, 40(%3)\n" -+ "26: "__copyuser_seg" movl %%edx, 44(%3)\n" - "27: movl 48(%4), %%eax\n" - "28: movl 52(%4), %%edx\n" -- "29: movl %%eax, 48(%3)\n" -- "30: movl %%edx, 52(%3)\n" -+ "29: "__copyuser_seg" movl %%eax, 48(%3)\n" -+ "30: "__copyuser_seg" movl %%edx, 52(%3)\n" - "31: movl 56(%4), %%eax\n" - "32: movl 60(%4), %%edx\n" -- "33: movl %%eax, 56(%3)\n" -- "34: movl %%edx, 60(%3)\n" -+ "33: "__copyuser_seg" movl %%eax, 56(%3)\n" -+ "34: "__copyuser_seg" movl %%edx, 60(%3)\n" - " addl $-64, %0\n" - " addl $64, %4\n" - " addl $64, %3\n" -@@ -149,10 +151,116 @@ __copy_user_intel(void __user *to, const void *from, unsigned long size) - " shrl $2, %0\n" - " andl $3, %%eax\n" - " cld\n" -+ __COPYUSER_SET_ES - "99: rep; movsl\n" - "36: movl %%eax, %0\n" - "37: rep; movsb\n" - "100:\n" -+ __COPYUSER_RESTORE_ES -+ ".section .fixup,\"ax\"\n" -+ "101: lea 0(%%eax,%0,4),%0\n" -+ " jmp 100b\n" -+ ".previous\n" -+ _ASM_EXTABLE(1b,100b) -+ _ASM_EXTABLE(2b,100b) -+ _ASM_EXTABLE(3b,100b) -+ _ASM_EXTABLE(4b,100b) -+ _ASM_EXTABLE(5b,100b) -+ _ASM_EXTABLE(6b,100b) -+ _ASM_EXTABLE(7b,100b) -+ _ASM_EXTABLE(8b,100b) -+ _ASM_EXTABLE(9b,100b) -+ _ASM_EXTABLE(10b,100b) -+ _ASM_EXTABLE(11b,100b) -+ _ASM_EXTABLE(12b,100b) -+ _ASM_EXTABLE(13b,100b) -+ _ASM_EXTABLE(14b,100b) -+ _ASM_EXTABLE(15b,100b) -+ _ASM_EXTABLE(16b,100b) -+ _ASM_EXTABLE(17b,100b) -+ _ASM_EXTABLE(18b,100b) -+ _ASM_EXTABLE(19b,100b) -+ _ASM_EXTABLE(20b,100b) -+ _ASM_EXTABLE(21b,100b) -+ _ASM_EXTABLE(22b,100b) -+ _ASM_EXTABLE(23b,100b) -+ _ASM_EXTABLE(24b,100b) -+ _ASM_EXTABLE(25b,100b) -+ _ASM_EXTABLE(26b,100b) -+ _ASM_EXTABLE(27b,100b) -+ _ASM_EXTABLE(28b,100b) -+ _ASM_EXTABLE(29b,100b) -+ _ASM_EXTABLE(30b,100b) -+ _ASM_EXTABLE(31b,100b) -+ _ASM_EXTABLE(32b,100b) -+ _ASM_EXTABLE(33b,100b) -+ _ASM_EXTABLE(34b,100b) -+ _ASM_EXTABLE(35b,100b) -+ _ASM_EXTABLE(36b,100b) -+ _ASM_EXTABLE(37b,100b) -+ _ASM_EXTABLE(99b,101b) -+ : "=&c"(size), "=&D" (d0), "=&S" (d1) -+ : "1"(to), "2"(from), "0"(size) -+ : "eax", "edx", "memory"); -+ return size; -+} -+ -+static unsigned long -+__generic_copy_from_user_intel(void *to, const void __user *from, unsigned long size) -+{ -+ int d0, d1; -+ __asm__ __volatile__( -+ " .align 2,0x90\n" -+ "1: "__copyuser_seg" movl 32(%4), %%eax\n" -+ " cmpl $67, %0\n" -+ " jbe 3f\n" -+ "2: "__copyuser_seg" movl 64(%4), %%eax\n" -+ " .align 2,0x90\n" -+ "3: "__copyuser_seg" movl 0(%4), %%eax\n" -+ "4: "__copyuser_seg" movl 4(%4), %%edx\n" -+ "5: movl %%eax, 0(%3)\n" -+ "6: movl %%edx, 4(%3)\n" -+ "7: "__copyuser_seg" movl 8(%4), %%eax\n" -+ "8: "__copyuser_seg" movl 12(%4),%%edx\n" -+ "9: movl %%eax, 8(%3)\n" -+ "10: movl %%edx, 12(%3)\n" -+ "11: "__copyuser_seg" movl 16(%4), %%eax\n" -+ "12: "__copyuser_seg" movl 20(%4), %%edx\n" -+ "13: movl %%eax, 16(%3)\n" -+ "14: movl %%edx, 20(%3)\n" -+ "15: "__copyuser_seg" movl 24(%4), %%eax\n" -+ "16: "__copyuser_seg" movl 28(%4), %%edx\n" -+ "17: movl %%eax, 24(%3)\n" -+ "18: movl %%edx, 28(%3)\n" -+ "19: "__copyuser_seg" movl 32(%4), %%eax\n" -+ "20: "__copyuser_seg" movl 36(%4), %%edx\n" -+ "21: movl %%eax, 32(%3)\n" -+ "22: movl %%edx, 36(%3)\n" -+ "23: "__copyuser_seg" movl 40(%4), %%eax\n" -+ "24: "__copyuser_seg" movl 44(%4), %%edx\n" -+ "25: movl %%eax, 40(%3)\n" -+ "26: movl %%edx, 44(%3)\n" -+ "27: "__copyuser_seg" movl 48(%4), %%eax\n" -+ "28: "__copyuser_seg" movl 52(%4), %%edx\n" -+ "29: movl %%eax, 48(%3)\n" -+ "30: movl %%edx, 52(%3)\n" -+ "31: "__copyuser_seg" movl 56(%4), %%eax\n" -+ "32: "__copyuser_seg" movl 60(%4), %%edx\n" -+ "33: movl %%eax, 56(%3)\n" -+ "34: movl %%edx, 60(%3)\n" -+ " addl $-64, %0\n" -+ " addl $64, %4\n" -+ " addl $64, %3\n" -+ " cmpl $63, %0\n" -+ " ja 1b\n" -+ "35: movl %0, %%eax\n" -+ " shrl $2, %0\n" -+ " andl $3, %%eax\n" -+ " cld\n" -+ "99: rep; "__copyuser_seg" movsl\n" -+ "36: movl %%eax, %0\n" -+ "37: rep; "__copyuser_seg" movsb\n" -+ "100:\n" - ".section .fixup,\"ax\"\n" - "101: lea 0(%%eax,%0,4),%0\n" - " jmp 100b\n" -@@ -207,41 +315,41 @@ __copy_user_zeroing_intel(void *to, const void __user *from, unsigned long size) - int d0, d1; - __asm__ __volatile__( - " .align 2,0x90\n" -- "0: movl 32(%4), %%eax\n" -+ "0: "__copyuser_seg" movl 32(%4), %%eax\n" - " cmpl $67, %0\n" - " jbe 2f\n" -- "1: movl 64(%4), %%eax\n" -+ "1: "__copyuser_seg" movl 64(%4), %%eax\n" - " .align 2,0x90\n" -- "2: movl 0(%4), %%eax\n" -- "21: movl 4(%4), %%edx\n" -+ "2: "__copyuser_seg" movl 0(%4), %%eax\n" -+ "21: "__copyuser_seg" movl 4(%4), %%edx\n" - " movl %%eax, 0(%3)\n" - " movl %%edx, 4(%3)\n" -- "3: movl 8(%4), %%eax\n" -- "31: movl 12(%4),%%edx\n" -+ "3: "__copyuser_seg" movl 8(%4), %%eax\n" -+ "31: "__copyuser_seg" movl 12(%4),%%edx\n" - " movl %%eax, 8(%3)\n" - " movl %%edx, 12(%3)\n" -- "4: movl 16(%4), %%eax\n" -- "41: movl 20(%4), %%edx\n" -+ "4: "__copyuser_seg" movl 16(%4), %%eax\n" -+ "41: "__copyuser_seg" movl 20(%4), %%edx\n" - " movl %%eax, 16(%3)\n" - " movl %%edx, 20(%3)\n" -- "10: movl 24(%4), %%eax\n" -- "51: movl 28(%4), %%edx\n" -+ "10: "__copyuser_seg" movl 24(%4), %%eax\n" -+ "51: "__copyuser_seg" movl 28(%4), %%edx\n" - " movl %%eax, 24(%3)\n" - " movl %%edx, 28(%3)\n" -- "11: movl 32(%4), %%eax\n" -- "61: movl 36(%4), %%edx\n" -+ "11: "__copyuser_seg" movl 32(%4), %%eax\n" -+ "61: "__copyuser_seg" movl 36(%4), %%edx\n" - " movl %%eax, 32(%3)\n" - " movl %%edx, 36(%3)\n" -- "12: movl 40(%4), %%eax\n" -- "71: movl 44(%4), %%edx\n" -+ "12: "__copyuser_seg" movl 40(%4), %%eax\n" -+ "71: "__copyuser_seg" movl 44(%4), %%edx\n" - " movl %%eax, 40(%3)\n" - " movl %%edx, 44(%3)\n" -- "13: movl 48(%4), %%eax\n" -- "81: movl 52(%4), %%edx\n" -+ "13: "__copyuser_seg" movl 48(%4), %%eax\n" -+ "81: "__copyuser_seg" movl 52(%4), %%edx\n" - " movl %%eax, 48(%3)\n" - " movl %%edx, 52(%3)\n" -- "14: movl 56(%4), %%eax\n" -- "91: movl 60(%4), %%edx\n" -+ "14: "__copyuser_seg" movl 56(%4), %%eax\n" -+ "91: "__copyuser_seg" movl 60(%4), %%edx\n" - " movl %%eax, 56(%3)\n" - " movl %%edx, 60(%3)\n" - " addl $-64, %0\n" -@@ -253,9 +361,9 @@ __copy_user_zeroing_intel(void *to, const void __user *from, unsigned long size) - " shrl $2, %0\n" - " andl $3, %%eax\n" - " cld\n" -- "6: rep; movsl\n" -+ "6: rep; "__copyuser_seg" movsl\n" - " movl %%eax,%0\n" -- "7: rep; movsb\n" -+ "7: rep; "__copyuser_seg" movsb\n" - "8:\n" - ".section .fixup,\"ax\"\n" - "9: lea 0(%%eax,%0,4),%0\n" -@@ -305,41 +413,41 @@ static unsigned long __copy_user_zeroing_intel_nocache(void *to, - - __asm__ __volatile__( - " .align 2,0x90\n" -- "0: movl 32(%4), %%eax\n" -+ "0: "__copyuser_seg" movl 32(%4), %%eax\n" - " cmpl $67, %0\n" - " jbe 2f\n" -- "1: movl 64(%4), %%eax\n" -+ "1: "__copyuser_seg" movl 64(%4), %%eax\n" - " .align 2,0x90\n" -- "2: movl 0(%4), %%eax\n" -- "21: movl 4(%4), %%edx\n" -+ "2: "__copyuser_seg" movl 0(%4), %%eax\n" -+ "21: "__copyuser_seg" movl 4(%4), %%edx\n" - " movnti %%eax, 0(%3)\n" - " movnti %%edx, 4(%3)\n" -- "3: movl 8(%4), %%eax\n" -- "31: movl 12(%4),%%edx\n" -+ "3: "__copyuser_seg" movl 8(%4), %%eax\n" -+ "31: "__copyuser_seg" movl 12(%4),%%edx\n" - " movnti %%eax, 8(%3)\n" - " movnti %%edx, 12(%3)\n" -- "4: movl 16(%4), %%eax\n" -- "41: movl 20(%4), %%edx\n" -+ "4: "__copyuser_seg" movl 16(%4), %%eax\n" -+ "41: "__copyuser_seg" movl 20(%4), %%edx\n" - " movnti %%eax, 16(%3)\n" - " movnti %%edx, 20(%3)\n" -- "10: movl 24(%4), %%eax\n" -- "51: movl 28(%4), %%edx\n" -+ "10: "__copyuser_seg" movl 24(%4), %%eax\n" -+ "51: "__copyuser_seg" movl 28(%4), %%edx\n" - " movnti %%eax, 24(%3)\n" - " movnti %%edx, 28(%3)\n" -- "11: movl 32(%4), %%eax\n" -- "61: movl 36(%4), %%edx\n" -+ "11: "__copyuser_seg" movl 32(%4), %%eax\n" -+ "61: "__copyuser_seg" movl 36(%4), %%edx\n" - " movnti %%eax, 32(%3)\n" - " movnti %%edx, 36(%3)\n" -- "12: movl 40(%4), %%eax\n" -- "71: movl 44(%4), %%edx\n" -+ "12: "__copyuser_seg" movl 40(%4), %%eax\n" -+ "71: "__copyuser_seg" movl 44(%4), %%edx\n" - " movnti %%eax, 40(%3)\n" - " movnti %%edx, 44(%3)\n" -- "13: movl 48(%4), %%eax\n" -- "81: movl 52(%4), %%edx\n" -+ "13: "__copyuser_seg" movl 48(%4), %%eax\n" -+ "81: "__copyuser_seg" movl 52(%4), %%edx\n" - " movnti %%eax, 48(%3)\n" - " movnti %%edx, 52(%3)\n" -- "14: movl 56(%4), %%eax\n" -- "91: movl 60(%4), %%edx\n" -+ "14: "__copyuser_seg" movl 56(%4), %%eax\n" -+ "91: "__copyuser_seg" movl 60(%4), %%edx\n" - " movnti %%eax, 56(%3)\n" - " movnti %%edx, 60(%3)\n" - " addl $-64, %0\n" -@@ -352,9 +460,9 @@ static unsigned long __copy_user_zeroing_intel_nocache(void *to, - " shrl $2, %0\n" - " andl $3, %%eax\n" - " cld\n" -- "6: rep; movsl\n" -+ "6: rep; "__copyuser_seg" movsl\n" - " movl %%eax,%0\n" -- "7: rep; movsb\n" -+ "7: rep; "__copyuser_seg" movsb\n" - "8:\n" - ".section .fixup,\"ax\"\n" - "9: lea 0(%%eax,%0,4),%0\n" -@@ -399,41 +507,41 @@ static unsigned long __copy_user_intel_nocache(void *to, - - __asm__ __volatile__( - " .align 2,0x90\n" -- "0: movl 32(%4), %%eax\n" -+ "0: "__copyuser_seg" movl 32(%4), %%eax\n" - " cmpl $67, %0\n" - " jbe 2f\n" -- "1: movl 64(%4), %%eax\n" -+ "1: "__copyuser_seg" movl 64(%4), %%eax\n" - " .align 2,0x90\n" -- "2: movl 0(%4), %%eax\n" -- "21: movl 4(%4), %%edx\n" -+ "2: "__copyuser_seg" movl 0(%4), %%eax\n" -+ "21: "__copyuser_seg" movl 4(%4), %%edx\n" - " movnti %%eax, 0(%3)\n" - " movnti %%edx, 4(%3)\n" -- "3: movl 8(%4), %%eax\n" -- "31: movl 12(%4),%%edx\n" -+ "3: "__copyuser_seg" movl 8(%4), %%eax\n" -+ "31: "__copyuser_seg" movl 12(%4),%%edx\n" - " movnti %%eax, 8(%3)\n" - " movnti %%edx, 12(%3)\n" -- "4: movl 16(%4), %%eax\n" -- "41: movl 20(%4), %%edx\n" -+ "4: "__copyuser_seg" movl 16(%4), %%eax\n" -+ "41: "__copyuser_seg" movl 20(%4), %%edx\n" - " movnti %%eax, 16(%3)\n" - " movnti %%edx, 20(%3)\n" -- "10: movl 24(%4), %%eax\n" -- "51: movl 28(%4), %%edx\n" -+ "10: "__copyuser_seg" movl 24(%4), %%eax\n" -+ "51: "__copyuser_seg" movl 28(%4), %%edx\n" - " movnti %%eax, 24(%3)\n" - " movnti %%edx, 28(%3)\n" -- "11: movl 32(%4), %%eax\n" -- "61: movl 36(%4), %%edx\n" -+ "11: "__copyuser_seg" movl 32(%4), %%eax\n" -+ "61: "__copyuser_seg" movl 36(%4), %%edx\n" - " movnti %%eax, 32(%3)\n" - " movnti %%edx, 36(%3)\n" -- "12: movl 40(%4), %%eax\n" -- "71: movl 44(%4), %%edx\n" -+ "12: "__copyuser_seg" movl 40(%4), %%eax\n" -+ "71: "__copyuser_seg" movl 44(%4), %%edx\n" - " movnti %%eax, 40(%3)\n" - " movnti %%edx, 44(%3)\n" -- "13: movl 48(%4), %%eax\n" -- "81: movl 52(%4), %%edx\n" -+ "13: "__copyuser_seg" movl 48(%4), %%eax\n" -+ "81: "__copyuser_seg" movl 52(%4), %%edx\n" - " movnti %%eax, 48(%3)\n" - " movnti %%edx, 52(%3)\n" -- "14: movl 56(%4), %%eax\n" -- "91: movl 60(%4), %%edx\n" -+ "14: "__copyuser_seg" movl 56(%4), %%eax\n" -+ "91: "__copyuser_seg" movl 60(%4), %%edx\n" - " movnti %%eax, 56(%3)\n" - " movnti %%edx, 60(%3)\n" - " addl $-64, %0\n" -@@ -446,9 +554,9 @@ static unsigned long __copy_user_intel_nocache(void *to, - " shrl $2, %0\n" - " andl $3, %%eax\n" - " cld\n" -- "6: rep; movsl\n" -+ "6: rep; "__copyuser_seg" movsl\n" - " movl %%eax,%0\n" -- "7: rep; movsb\n" -+ "7: rep; "__copyuser_seg" movsb\n" - "8:\n" - ".section .fixup,\"ax\"\n" - "9: lea 0(%%eax,%0,4),%0\n" -@@ -488,32 +596,36 @@ static unsigned long __copy_user_intel_nocache(void *to, - */ - unsigned long __copy_user_zeroing_intel(void *to, const void __user *from, - unsigned long size); --unsigned long __copy_user_intel(void __user *to, const void *from, -+unsigned long __generic_copy_to_user_intel(void __user *to, const void *from, -+ unsigned long size); -+unsigned long __generic_copy_from_user_intel(void *to, const void __user *from, - unsigned long size); - unsigned long __copy_user_zeroing_intel_nocache(void *to, - const void __user *from, unsigned long size); - #endif /* CONFIG_X86_INTEL_USERCOPY */ - - /* Generic arbitrary sized copy. */ --#define __copy_user(to, from, size) \ -+#define __copy_user(to, from, size, prefix, set, restore) \ - do { \ - int __d0, __d1, __d2; \ - __asm__ __volatile__( \ -+ set \ - " cmp $7,%0\n" \ - " jbe 1f\n" \ - " movl %1,%0\n" \ - " negl %0\n" \ - " andl $7,%0\n" \ - " subl %0,%3\n" \ -- "4: rep; movsb\n" \ -+ "4: rep; "prefix"movsb\n" \ - " movl %3,%0\n" \ - " shrl $2,%0\n" \ - " andl $3,%3\n" \ - " .align 2,0x90\n" \ -- "0: rep; movsl\n" \ -+ "0: rep; "prefix"movsl\n" \ - " movl %3,%0\n" \ -- "1: rep; movsb\n" \ -+ "1: rep; "prefix"movsb\n" \ - "2:\n" \ -+ restore \ - ".section .fixup,\"ax\"\n" \ - "5: addl %3,%0\n" \ - " jmp 2b\n" \ -@@ -538,14 +650,14 @@ do { \ - " negl %0\n" \ - " andl $7,%0\n" \ - " subl %0,%3\n" \ -- "4: rep; movsb\n" \ -+ "4: rep; "__copyuser_seg"movsb\n" \ - " movl %3,%0\n" \ - " shrl $2,%0\n" \ - " andl $3,%3\n" \ - " .align 2,0x90\n" \ -- "0: rep; movsl\n" \ -+ "0: rep; "__copyuser_seg"movsl\n" \ - " movl %3,%0\n" \ -- "1: rep; movsb\n" \ -+ "1: rep; "__copyuser_seg"movsb\n" \ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "5: addl %3,%0\n" \ -@@ -572,9 +684,9 @@ unsigned long __copy_to_user_ll(void __user *to, const void *from, - { - stac(); - if (movsl_is_ok(to, from, n)) -- __copy_user(to, from, n); -+ __copy_user(to, from, n, "", __COPYUSER_SET_ES, __COPYUSER_RESTORE_ES); - else -- n = __copy_user_intel(to, from, n); -+ n = __generic_copy_to_user_intel(to, from, n); - clac(); - return n; - } -@@ -598,10 +710,9 @@ unsigned long __copy_from_user_ll_nozero(void *to, const void __user *from, - { - stac(); - if (movsl_is_ok(to, from, n)) -- __copy_user(to, from, n); -+ __copy_user(to, from, n, __copyuser_seg, "", ""); - else -- n = __copy_user_intel((void __user *)to, -- (const void *)from, n); -+ n = __generic_copy_from_user_intel(to, from, n); - clac(); - return n; - } -@@ -632,60 +743,38 @@ unsigned long __copy_from_user_ll_nocache_nozero(void *to, const void __user *fr - if (n > 64 && static_cpu_has(X86_FEATURE_XMM2)) - n = __copy_user_intel_nocache(to, from, n); - else -- __copy_user(to, from, n); -+ __copy_user(to, from, n, __copyuser_seg, "", ""); - #else -- __copy_user(to, from, n); -+ __copy_user(to, from, n, __copyuser_seg, "", ""); - #endif - clac(); - return n; - } - EXPORT_SYMBOL(__copy_from_user_ll_nocache_nozero); - --/** -- * copy_to_user: - Copy a block of data into user space. -- * @to: Destination address, in user space. -- * @from: Source address, in kernel space. -- * @n: Number of bytes to copy. -- * -- * Context: User context only. This function may sleep if pagefaults are -- * enabled. -- * -- * Copy data from kernel space to user space. -- * -- * Returns number of bytes that could not be copied. -- * On success, this will be zero. -- */ --unsigned long _copy_to_user(void __user *to, const void *from, unsigned n) -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+void __set_fs(mm_segment_t x) - { -- if (access_ok(VERIFY_WRITE, to, n)) -- n = __copy_to_user(to, from, n); -- return n; -+ switch (x.seg) { -+ case 0: -+ loadsegment(gs, 0); -+ break; -+ case TASK_SIZE_MAX: -+ loadsegment(gs, __USER_DS); -+ break; -+ case -1UL: -+ loadsegment(gs, __KERNEL_DS); -+ break; -+ default: -+ BUG(); -+ } - } --EXPORT_SYMBOL(_copy_to_user); -+EXPORT_SYMBOL(__set_fs); - --/** -- * copy_from_user: - Copy a block of data from user space. -- * @to: Destination address, in kernel space. -- * @from: Source address, in user space. -- * @n: Number of bytes to copy. -- * -- * Context: User context only. This function may sleep if pagefaults are -- * enabled. -- * -- * Copy data from user space to kernel space. -- * -- * Returns number of bytes that could not be copied. -- * On success, this will be zero. -- * -- * If some data could not be copied, this function will pad the copied -- * data to the requested size using zero bytes. -- */ --unsigned long _copy_from_user(void *to, const void __user *from, unsigned n) -+void set_fs(mm_segment_t x) - { -- if (access_ok(VERIFY_READ, from, n)) -- n = __copy_from_user(to, from, n); -- else -- memset(to, 0, n); -- return n; -+ current->thread.addr_limit = x; -+ __set_fs(x); - } --EXPORT_SYMBOL(_copy_from_user); -+EXPORT_SYMBOL(set_fs); -+#endif -diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c -index 6987358..14d4769 100644 ---- a/arch/x86/lib/usercopy_64.c -+++ b/arch/x86/lib/usercopy_64.c -@@ -18,7 +18,7 @@ unsigned long __clear_user(void __user *addr, unsigned long size) - might_fault(); - /* no memory constraint because it doesn't change any memory gcc knows - about */ -- stac(); -+ user_access_begin(); - asm volatile( - " testq %[size8],%[size8]\n" - " jz 4f\n" -@@ -39,9 +39,9 @@ unsigned long __clear_user(void __user *addr, unsigned long size) - _ASM_EXTABLE(0b,3b) - _ASM_EXTABLE(1b,2b) - : [size8] "=&c"(size), [dst] "=&D" (__d0) -- : [size1] "r"(size & 7), "[size8]" (size / 8), "[dst]"(addr), -+ : [size1] "r"(size & 7), "[size8]" (size / 8), "[dst]"(____m(addr)), - [zero] "r" (0UL), [eight] "r" (8UL)); -- clac(); -+ user_access_end(); - return size; - } - EXPORT_SYMBOL(__clear_user); -@@ -54,12 +54,11 @@ unsigned long clear_user(void __user *to, unsigned long n) - } - EXPORT_SYMBOL(clear_user); - --unsigned long copy_in_user(void __user *to, const void __user *from, unsigned len) -+unsigned long copy_in_user(void __user *to, const void __user *from, unsigned long len) - { -- if (access_ok(VERIFY_WRITE, to, len) && access_ok(VERIFY_READ, from, len)) { -- return copy_user_generic((__force void *)to, (__force void *)from, len); -- } -- return len; -+ if (access_ok(VERIFY_WRITE, to, len) && access_ok(VERIFY_READ, from, len)) -+ return copy_user_generic((void __force_kernel *)____m(to), (void __force_kernel *)____m(from), len); -+ return len; - } - EXPORT_SYMBOL(copy_in_user); - -@@ -69,20 +68,20 @@ EXPORT_SYMBOL(copy_in_user); - * it is not necessary to optimize tail handling. - */ - __visible unsigned long --copy_user_handle_tail(char *to, char *from, unsigned len) -+copy_user_handle_tail(void __user *to, const void __user *from, unsigned long len) - { -+ user_access_end(); - for (; len; --len, to++) { - char c; - -- if (__get_user_nocheck(c, from++, sizeof(char))) -+ if (__get_user_nocheck(c, (const char *)from++, sizeof(char))) - break; -- if (__put_user_nocheck(c, to, sizeof(char))) -+ if (__put_user_nocheck(c, (char *)to, sizeof(char))) - break; - } -- clac(); - - /* If the destination is a kernel buffer, we always clear the end */ -- if (!__addr_ok(to)) -- memset(to, 0, len); -+ if (!__addr_ok(to) && (unsigned long)to >= TASK_SIZE_MAX + pax_user_shadow_base) -+ memset((void __force_kernel *)to, 0, len); - return len; - } -diff --git a/arch/x86/math-emu/div_Xsig.S b/arch/x86/math-emu/div_Xsig.S -index f77ba30..8ba0e95 100644 ---- a/arch/x86/math-emu/div_Xsig.S -+++ b/arch/x86/math-emu/div_Xsig.S -@@ -340,26 +340,26 @@ L_exit: - popl %esi - - leave -- ret -+ pax_ret div_Xsig - - - #ifdef PARANOID - /* The logic is wrong if we got here */ - L_bugged: - pushl EX_INTERNAL|0x240 -- call EXCEPTION -+ pax_direct_call EXCEPTION - pop %ebx - jmp L_exit - - L_bugged_1: - pushl EX_INTERNAL|0x241 -- call EXCEPTION -+ pax_direct_call EXCEPTION - pop %ebx - jmp L_exit - - L_bugged_2: - pushl EX_INTERNAL|0x242 -- call EXCEPTION -+ pax_direct_call EXCEPTION - pop %ebx - jmp L_exit - #endif /* PARANOID */ -diff --git a/arch/x86/math-emu/div_small.S b/arch/x86/math-emu/div_small.S -index 4709962..f9f329a 100644 ---- a/arch/x86/math-emu/div_small.S -+++ b/arch/x86/math-emu/div_small.S -@@ -43,5 +43,5 @@ ENTRY(FPU_div_small) - popl %esi - - leave -- ret -+ pax_ret FPU_div_small - -diff --git a/arch/x86/math-emu/fpu_asm.h b/arch/x86/math-emu/fpu_asm.h -index 955b932..32dc223 100644 ---- a/arch/x86/math-emu/fpu_asm.h -+++ b/arch/x86/math-emu/fpu_asm.h -@@ -11,6 +11,7 @@ - #define _FPU_ASM_H_ - - #include -+#include - - #define EXCEPTION FPU_exception - -diff --git a/arch/x86/math-emu/fpu_aux.c b/arch/x86/math-emu/fpu_aux.c -index 024f6e9..308f1b0 100644 ---- a/arch/x86/math-emu/fpu_aux.c -+++ b/arch/x86/math-emu/fpu_aux.c -@@ -52,7 +52,7 @@ void fpstate_init_soft(struct swregs_state *soft) - - void finit(void) - { -- fpstate_init_soft(¤t->thread.fpu.state.soft); -+ fpstate_init_soft(¤t->thread.fpu.state->soft); - } - - /* -diff --git a/arch/x86/math-emu/fpu_entry.c b/arch/x86/math-emu/fpu_entry.c -index e945fed..bffe686 100644 ---- a/arch/x86/math-emu/fpu_entry.c -+++ b/arch/x86/math-emu/fpu_entry.c -@@ -643,7 +643,7 @@ int fpregs_soft_set(struct task_struct *target, - unsigned int pos, unsigned int count, - const void *kbuf, const void __user *ubuf) - { -- struct swregs_state *s387 = &target->thread.fpu.state.soft; -+ struct swregs_state *s387 = &target->thread.fpu.state->soft; - void *space = s387->st_space; - int ret; - int offset, other, i, tags, regnr, tag, newtop; -@@ -695,7 +695,7 @@ int fpregs_soft_get(struct task_struct *target, - unsigned int pos, unsigned int count, - void *kbuf, void __user *ubuf) - { -- struct swregs_state *s387 = &target->thread.fpu.state.soft; -+ struct swregs_state *s387 = &target->thread.fpu.state->soft; - const void *space = s387->st_space; - int ret; - int offset = (S387->ftop & 7) * 10, other = 80 - offset; -diff --git a/arch/x86/math-emu/fpu_etc.c b/arch/x86/math-emu/fpu_etc.c -index 233e5af5..dd82ff0 100644 ---- a/arch/x86/math-emu/fpu_etc.c -+++ b/arch/x86/math-emu/fpu_etc.c -@@ -119,9 +119,14 @@ static void fxam(FPU_REG *st0_ptr, u_char st0tag) - setcc(c); - } - -+static void FPU_ST0_illegal(FPU_REG *st0_ptr, u_char st0_tag) -+{ -+ FPU_illegal(); -+} -+ - static FUNC_ST0 const fp_etc_table[] = { -- fchs, fabs, (FUNC_ST0) FPU_illegal, (FUNC_ST0) FPU_illegal, -- ftst_, fxam, (FUNC_ST0) FPU_illegal, (FUNC_ST0) FPU_illegal -+ fchs, fabs, FPU_ST0_illegal, FPU_ST0_illegal, -+ ftst_, fxam, FPU_ST0_illegal, FPU_ST0_illegal - }; - - void FPU_etc(void) -diff --git a/arch/x86/math-emu/fpu_system.h b/arch/x86/math-emu/fpu_system.h -index 5e044d5..d342fce 100644 ---- a/arch/x86/math-emu/fpu_system.h -+++ b/arch/x86/math-emu/fpu_system.h -@@ -46,7 +46,7 @@ static inline struct desc_struct FPU_get_ldt_descriptor(unsigned seg) - #define SEG_EXPAND_DOWN(s) (((s).b & ((1 << 11) | (1 << 10))) \ - == (1 << 10)) - --#define I387 (¤t->thread.fpu.state) -+#define I387 (current->thread.fpu.state) - #define FPU_info (I387->soft.info) - - #define FPU_CS (*(unsigned short *) &(FPU_info->regs->cs)) -diff --git a/arch/x86/math-emu/fpu_trig.c b/arch/x86/math-emu/fpu_trig.c -index ecd0668..4b4c664 100644 ---- a/arch/x86/math-emu/fpu_trig.c -+++ b/arch/x86/math-emu/fpu_trig.c -@@ -432,13 +432,13 @@ static void fxtract(FPU_REG *st0_ptr, u_char st0_tag) - #endif /* PARANOID */ - } - --static void fdecstp(void) -+static void fdecstp(FPU_REG *st0_ptr, u_char st0_tag) - { - clear_C1(); - top--; - } - --static void fincstp(void) -+static void fincstp(FPU_REG *st0_ptr, u_char st0_tag) - { - clear_C1(); - top++; -@@ -607,6 +607,11 @@ static int fsin(FPU_REG *st0_ptr, u_char tag) - } - } - -+static void _fsin(FPU_REG *st0_ptr, u_char tag) -+{ -+ fsin(st0_ptr, tag); -+} -+ - static int f_cos(FPU_REG *st0_ptr, u_char tag) - { - u_char st0_sign; -@@ -1625,7 +1630,7 @@ static void fscale(FPU_REG *st0_ptr, u_char st0_tag) - - static FUNC_ST0 const trig_table_a[] = { - f2xm1, fyl2x, fptan, fpatan, -- fxtract, fprem1, (FUNC_ST0) fdecstp, (FUNC_ST0) fincstp -+ fxtract, fprem1, fdecstp, fincstp - }; - - void FPU_triga(void) -@@ -1634,7 +1639,7 @@ void FPU_triga(void) - } - - static FUNC_ST0 const trig_table_b[] = { -- fprem, fyl2xp1, fsqrt_, fsincos, frndint_, fscale, (FUNC_ST0) fsin, fcos -+ fprem, fyl2xp1, fsqrt_, fsincos, frndint_, fscale, _fsin, fcos - }; - - void FPU_trigb(void) -diff --git a/arch/x86/math-emu/mul_Xsig.S b/arch/x86/math-emu/mul_Xsig.S -index 717785a..36e0065 100644 ---- a/arch/x86/math-emu/mul_Xsig.S -+++ b/arch/x86/math-emu/mul_Xsig.S -@@ -61,7 +61,7 @@ ENTRY(mul32_Xsig) - - popl %esi - leave -- ret -+ pax_ret mul32_Xsig - - - ENTRY(mul64_Xsig) -@@ -113,7 +113,7 @@ ENTRY(mul64_Xsig) - - popl %esi - leave -- ret -+ pax_ret mul64_Xsig - - - -@@ -172,5 +172,5 @@ ENTRY(mul_Xsig_Xsig) - - popl %esi - leave -- ret -+ pax_ret mul_Xsig_Xsig - -diff --git a/arch/x86/math-emu/polynom_Xsig.S b/arch/x86/math-emu/polynom_Xsig.S -index 17315c8..b132abb 100644 ---- a/arch/x86/math-emu/polynom_Xsig.S -+++ b/arch/x86/math-emu/polynom_Xsig.S -@@ -132,4 +132,4 @@ L_accum_done: - popl %edi - popl %esi - leave -- ret -+ pax_ret polynomial_Xsig -diff --git a/arch/x86/math-emu/reg_constant.c b/arch/x86/math-emu/reg_constant.c -index 0054835..a3bd671 100644 ---- a/arch/x86/math-emu/reg_constant.c -+++ b/arch/x86/math-emu/reg_constant.c -@@ -107,8 +107,13 @@ static void fldz(int rc) - - typedef void (*FUNC_RC) (int); - -+static void FPU_RC_illegal(int rc) -+{ -+ FPU_illegal(); -+} -+ - static FUNC_RC constants_table[] = { -- fld1, fldl2t, fldl2e, fldpi, fldlg2, fldln2, fldz, (FUNC_RC) FPU_illegal -+ fld1, fldl2t, fldl2e, fldpi, fldlg2, fldln2, fldz, FPU_RC_illegal - }; - - void fconst(void) -diff --git a/arch/x86/math-emu/reg_norm.S b/arch/x86/math-emu/reg_norm.S -index 8b6352e..484e774 100644 ---- a/arch/x86/math-emu/reg_norm.S -+++ b/arch/x86/math-emu/reg_norm.S -@@ -71,7 +71,7 @@ L_exit_valid: - L_exit: - popl %ebx - leave -- ret -+ pax_ret FPU_normalize - - - L_zero: -@@ -83,7 +83,7 @@ L_underflow: - /* Convert the exponent to 80x87 form. */ - addw EXTENDED_Ebias,EXP(%ebx) - push %ebx -- call arith_underflow -+ pax_direct_call arith_underflow - pop %ebx - jmp L_exit - -@@ -91,7 +91,7 @@ L_overflow: - /* Convert the exponent to 80x87 form. */ - addw EXTENDED_Ebias,EXP(%ebx) - push %ebx -- call arith_overflow -+ pax_direct_call arith_overflow - pop %ebx - jmp L_exit - -@@ -136,7 +136,7 @@ L_exit_nuo_valid: - - popl %ebx - leave -- ret -+ pax_ret FPU_normalize_nuo - - L_exit_nuo_zero: - movl TAG_Zero,%eax -@@ -144,4 +144,4 @@ L_exit_nuo_zero: - - popl %ebx - leave -- ret -+ pax_ret FPU_normalize_nuo -diff --git a/arch/x86/math-emu/reg_round.S b/arch/x86/math-emu/reg_round.S -index d1d4e48..003208e 100644 ---- a/arch/x86/math-emu/reg_round.S -+++ b/arch/x86/math-emu/reg_round.S -@@ -436,7 +436,7 @@ fpu_Arith_exit: - popl %edi - popl %esi - leave -- ret -+ pax_ret FPU_round - - - /* -@@ -446,7 +446,7 @@ fpu_Arith_exit: - L_precision_lost_up: - push %edx - push %eax -- call set_precision_flag_up -+ pax_direct_call set_precision_flag_up - popl %eax - popl %edx - jmp L_no_precision_loss -@@ -458,7 +458,7 @@ L_precision_lost_up: - L_precision_lost_down: - push %edx - push %eax -- call set_precision_flag_down -+ pax_direct_call set_precision_flag_down - popl %eax - popl %edx - jmp L_no_precision_loss -@@ -603,7 +603,7 @@ LPseudoDenormal: - /* There must be a masked underflow */ - push %eax - pushl EX_Underflow -- call EXCEPTION -+ pax_direct_call EXCEPTION - popl %eax - popl %eax - movl TAG_Special,%edx -@@ -616,12 +616,12 @@ LPseudoDenormal: - */ - L_underflow_to_zero: - push %eax -- call set_precision_flag_down -+ pax_direct_call set_precision_flag_down - popl %eax - - push %eax - pushl EX_Underflow -- call EXCEPTION -+ pax_direct_call EXCEPTION - popl %eax - popl %eax - -@@ -635,7 +635,7 @@ L_underflow_to_zero: - L_overflow: - addw EXTENDED_Ebias,EXP(%edi) /* Set for unmasked response. */ - push %edi -- call arith_overflow -+ pax_direct_call arith_overflow - pop %edi - jmp fpu_reg_round_signed_special_exit - -@@ -653,7 +653,7 @@ Do_unmasked_underflow: - addw $(3*(1<<13)),EXP(%edi) - push %eax - pushl EX_Underflow -- call EXCEPTION -+ pax_direct_call EXCEPTION - popl %eax - popl %eax - jmp L_Normalised -@@ -663,44 +663,44 @@ Do_unmasked_underflow: - #ifdef PECULIAR_486 - L_bugged_denorm_486: - pushl EX_INTERNAL|0x236 -- call EXCEPTION -+ pax_direct_call EXCEPTION - popl %ebx - jmp L_exception_exit - #else - L_bugged_denorm: - pushl EX_INTERNAL|0x230 -- call EXCEPTION -+ pax_direct_call EXCEPTION - popl %ebx - jmp L_exception_exit - #endif /* PECULIAR_486 */ - - L_bugged_round24: - pushl EX_INTERNAL|0x231 -- call EXCEPTION -+ pax_direct_call EXCEPTION - popl %ebx - jmp L_exception_exit - - L_bugged_round53: - pushl EX_INTERNAL|0x232 -- call EXCEPTION -+ pax_direct_call EXCEPTION - popl %ebx - jmp L_exception_exit - - L_bugged_round64: - pushl EX_INTERNAL|0x233 -- call EXCEPTION -+ pax_direct_call EXCEPTION - popl %ebx - jmp L_exception_exit - - L_norm_bugged: - pushl EX_INTERNAL|0x234 -- call EXCEPTION -+ pax_direct_call EXCEPTION - popl %ebx - jmp L_exception_exit - - L_entry_bugged: - pushl EX_INTERNAL|0x235 -- call EXCEPTION -+ pax_direct_call EXCEPTION - popl %ebx - L_exception_exit: - mov $-1,%eax -diff --git a/arch/x86/math-emu/reg_u_add.S b/arch/x86/math-emu/reg_u_add.S -index 47c4c24..2349fce 100644 ---- a/arch/x86/math-emu/reg_u_add.S -+++ b/arch/x86/math-emu/reg_u_add.S -@@ -153,7 +153,7 @@ L_round_the_result: - /* If we ever get here then we have problems! */ - L_bugged: - pushl EX_INTERNAL|0x201 -- call EXCEPTION -+ pax_direct_call EXCEPTION - pop %ebx - movl $-1,%eax - jmp L_exit -@@ -163,5 +163,5 @@ L_exit: - popl %edi - popl %esi - leave -- ret -+ pax_ret FPU_u_add - #endif /* PARANOID */ -diff --git a/arch/x86/math-emu/reg_u_div.S b/arch/x86/math-emu/reg_u_div.S -index cc00654..f628ba9 100644 ---- a/arch/x86/math-emu/reg_u_div.S -+++ b/arch/x86/math-emu/reg_u_div.S -@@ -444,19 +444,19 @@ LRound_precision: - /* The logic is wrong if we got here */ - L_bugged: - pushl EX_INTERNAL|0x202 -- call EXCEPTION -+ pax_direct_call EXCEPTION - pop %ebx - jmp L_exit - - L_bugged_1: - pushl EX_INTERNAL|0x203 -- call EXCEPTION -+ pax_direct_call EXCEPTION - pop %ebx - jmp L_exit - - L_bugged_2: - pushl EX_INTERNAL|0x204 -- call EXCEPTION -+ pax_direct_call EXCEPTION - pop %ebx - jmp L_exit - -@@ -467,5 +467,5 @@ L_exit: - popl %esi - - leave -- ret -+ pax_ret FPU_u_div - #endif /* PARANOID */ -diff --git a/arch/x86/math-emu/reg_u_mul.S b/arch/x86/math-emu/reg_u_mul.S -index 973f12a..34675c5 100644 ---- a/arch/x86/math-emu/reg_u_mul.S -+++ b/arch/x86/math-emu/reg_u_mul.S -@@ -134,7 +134,7 @@ L_extent_zero: - #ifdef PARANOID - L_bugged: - pushl EX_INTERNAL|0x205 -- call EXCEPTION -+ pax_direct_call EXCEPTION - pop %ebx - jmp L_exit - -@@ -143,6 +143,6 @@ L_exit: - popl %edi - popl %esi - leave -- ret -+ pax_ret FPU_u_mul - #endif /* PARANOID */ - -diff --git a/arch/x86/math-emu/reg_u_sub.S b/arch/x86/math-emu/reg_u_sub.S -index 1b6c248..5359e93 100644 ---- a/arch/x86/math-emu/reg_u_sub.S -+++ b/arch/x86/math-emu/reg_u_sub.S -@@ -231,31 +231,31 @@ L_round: - #ifdef PARANOID - L_bugged_1: - pushl EX_INTERNAL|0x206 -- call EXCEPTION -+ pax_direct_call EXCEPTION - pop %ebx - jmp L_error_exit - - L_bugged_2: - pushl EX_INTERNAL|0x209 -- call EXCEPTION -+ pax_direct_call EXCEPTION - pop %ebx - jmp L_error_exit - - L_bugged_3: - pushl EX_INTERNAL|0x210 -- call EXCEPTION -+ pax_direct_call EXCEPTION - pop %ebx - jmp L_error_exit - - L_bugged_4: - pushl EX_INTERNAL|0x211 -- call EXCEPTION -+ pax_direct_call EXCEPTION - pop %ebx - jmp L_error_exit - - L_bugged: - pushl EX_INTERNAL|0x212 -- call EXCEPTION -+ pax_direct_call EXCEPTION - pop %ebx - jmp L_error_exit - -@@ -269,4 +269,4 @@ L_exit: - popl %edi - popl %esi - leave -- ret -+ pax_ret FPU_u_sub -diff --git a/arch/x86/math-emu/round_Xsig.S b/arch/x86/math-emu/round_Xsig.S -index bbe0e877..e832817 100644 ---- a/arch/x86/math-emu/round_Xsig.S -+++ b/arch/x86/math-emu/round_Xsig.S -@@ -77,7 +77,7 @@ L_exit: - popl %esi - popl %ebx - leave -- ret -+ pax_ret round_Xsig - - - -@@ -137,5 +137,5 @@ L_n_exit: - popl %esi - popl %ebx - leave -- ret -+ pax_ret norm_Xsig - -diff --git a/arch/x86/math-emu/shr_Xsig.S b/arch/x86/math-emu/shr_Xsig.S -index 31cdd11..61a03eca 100644 ---- a/arch/x86/math-emu/shr_Xsig.S -+++ b/arch/x86/math-emu/shr_Xsig.S -@@ -44,7 +44,7 @@ ENTRY(shr_Xsig) - popl %ebx - popl %esi - leave -- ret -+ pax_ret shr_Xsig - - L_more_than_31: - cmpl $64,%ecx -@@ -60,7 +60,7 @@ L_more_than_31: - movl $0,8(%esi) - popl %esi - leave -- ret -+ pax_ret shr_Xsig - - L_more_than_63: - cmpl $96,%ecx -@@ -75,7 +75,7 @@ L_more_than_63: - movl %edx,8(%esi) - popl %esi - leave -- ret -+ pax_ret shr_Xsig - - L_more_than_95: - xorl %eax,%eax -@@ -84,4 +84,4 @@ L_more_than_95: - movl %eax,8(%esi) - popl %esi - leave -- ret -+ pax_ret shr_Xsig -diff --git a/arch/x86/math-emu/wm_shrx.S b/arch/x86/math-emu/wm_shrx.S -index 5184283..6267001 100644 ---- a/arch/x86/math-emu/wm_shrx.S -+++ b/arch/x86/math-emu/wm_shrx.S -@@ -54,7 +54,7 @@ ENTRY(FPU_shrx) - popl %ebx - popl %esi - leave -- ret -+ pax_ret FPU_shrx - - L_more_than_31: - cmpl $64,%ecx -@@ -69,7 +69,7 @@ L_more_than_31: - movl $0,4(%esi) - popl %esi - leave -- ret -+ pax_ret FPU_shrx - - L_more_than_63: - cmpl $96,%ecx -@@ -83,7 +83,7 @@ L_more_than_63: - movl %edx,4(%esi) - popl %esi - leave -- ret -+ pax_ret FPU_shrx - - L_more_than_95: - xorl %eax,%eax -@@ -91,7 +91,7 @@ L_more_than_95: - movl %eax,4(%esi) - popl %esi - leave -- ret -+ pax_ret FPU_shrx - - - /*---------------------------------------------------------------------------+ -@@ -144,7 +144,7 @@ ENTRY(FPU_shrxs) - popl %ebx - popl %esi - leave -- ret -+ pax_ret FPU_shrxs - - /* Shift by [0..31] bits */ - Ls_less_than_32: -@@ -161,7 +161,7 @@ Ls_less_than_32: - popl %ebx - popl %esi - leave -- ret -+ pax_ret FPU_shrxs - - /* Shift by [64..95] bits */ - Ls_more_than_63: -@@ -187,7 +187,7 @@ Ls_more_than_63: - popl %ebx - popl %esi - leave -- ret -+ pax_ret FPU_shrxs - - Ls_more_than_95: - /* Shift by [96..inf) bits */ -@@ -201,4 +201,4 @@ Ls_more_than_95: - popl %ebx - popl %esi - leave -- ret -+ pax_ret FPU_shrxs -diff --git a/arch/x86/math-emu/wm_sqrt.S b/arch/x86/math-emu/wm_sqrt.S -index d258f59..c5255d6 100644 ---- a/arch/x86/math-emu/wm_sqrt.S -+++ b/arch/x86/math-emu/wm_sqrt.S -@@ -223,7 +223,7 @@ sqrt_stage_2_finish: - #ifdef PARANOID - sqrt_stage_2_error: - pushl EX_INTERNAL|0x213 -- call EXCEPTION -+ pax_direct_call EXCEPTION - #endif /* PARANOID */ - - sqrt_stage_2_done: -@@ -276,7 +276,7 @@ sqrt_stage_2_done: - - sqrt_stage_3_error: - pushl EX_INTERNAL|0x207 -- call EXCEPTION -+ pax_direct_call EXCEPTION - - sqrt_stage_3_no_error: - #endif /* PARANOID */ -@@ -382,7 +382,7 @@ sqrt_near_exact: - ja sqrt_near_exact_ok - - pushl EX_INTERNAL|0x214 -- call EXCEPTION -+ pax_direct_call EXCEPTION - - sqrt_near_exact_ok: - #endif /* PARANOID */ -@@ -442,7 +442,7 @@ sqrt_get_more_precision: - ja sqrt_more_prec_ok - - pushl EX_INTERNAL|0x215 -- call EXCEPTION -+ pax_direct_call EXCEPTION - - sqrt_more_prec_ok: - #endif /* PARANOID */ -diff --git a/arch/x86/mm/Makefile b/arch/x86/mm/Makefile -index 96d2b84..b3db380 100644 ---- a/arch/x86/mm/Makefile -+++ b/arch/x86/mm/Makefile -@@ -39,3 +39,7 @@ obj-$(CONFIG_X86_INTEL_MPX) += mpx.o - obj-$(CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS) += pkeys.o - obj-$(CONFIG_RANDOMIZE_MEMORY) += kaslr.o - -+quote:=" -+obj-$(CONFIG_X86_64) += uderef_64.o -+CFLAGS_uderef_64.o := -fcall-saved-rax -fcall-saved-rdi -fcall-saved-rsi -fcall-saved-rdx -fcall-saved-rcx -fcall-saved-r8 -fcall-saved-r9 -fcall-saved-r10 -fcall-saved-r11 -+ -diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c -index 8aa6bea..1181e44 100644 ---- a/arch/x86/mm/dump_pagetables.c -+++ b/arch/x86/mm/dump_pagetables.c -@@ -28,6 +28,7 @@ - struct pg_state { - int level; - pgprot_t current_prot; -+ pgprot_t current_prots[5]; - unsigned long start_address; - unsigned long current_address; - const struct addr_marker *marker; -@@ -185,6 +186,23 @@ static unsigned long normalize_addr(unsigned long u) - #endif - } - -+static pgprot_t merge_prot(pgprot_t old_prot, pgprot_t new_prot) -+{ -+ if (!(pgprot_val(new_prot) & _PAGE_PRESENT)) -+ return new_prot; -+ -+ if (!(pgprot_val(old_prot) & _PAGE_PRESENT)) -+ return new_prot; -+ -+ if (pgprot_val(old_prot) & _PAGE_NX) -+ pgprot_val(new_prot) |= _PAGE_NX; -+ -+ if (!(pgprot_val(old_prot) & _PAGE_RW)) -+ pgprot_val(new_prot) &= ~_PAGE_RW; -+ -+ return new_prot; -+} -+ - /* - * This function gets called on a break in a continuous series - * of PTE entries; the next one is different so we need to -@@ -201,11 +219,13 @@ static void note_page(struct seq_file *m, struct pg_state *st, - * we have now. "break" is either changing perms, levels or - * address space marker. - */ -+ new_prot = merge_prot(st->current_prots[level - 1], new_prot); - prot = pgprot_val(new_prot); - cur = pgprot_val(st->current_prot); - - if (!st->level) { - /* First entry */ -+ st->current_prots[0] = __pgprot(_PAGE_RW); - st->current_prot = new_prot; - st->level = level; - st->marker = address_markers; -@@ -217,9 +237,8 @@ static void note_page(struct seq_file *m, struct pg_state *st, - const char *unit = units; - unsigned long delta; - int width = sizeof(unsigned long) * 2; -- pgprotval_t pr = pgprot_val(st->current_prot); - -- if (st->check_wx && (pr & _PAGE_RW) && !(pr & _PAGE_NX)) { -+ if (st->check_wx && (cur & _PAGE_RW) && !(cur & _PAGE_NX)) { - WARN_ONCE(1, - "x86/mm: Found insecure W+X mapping at address %p/%pS\n", - (void *)st->start_address, -@@ -305,9 +324,10 @@ static void walk_pmd_level(struct seq_file *m, struct pg_state *st, pud_t addr, - start = (pmd_t *) pud_page_vaddr(addr); - for (i = 0; i < PTRS_PER_PMD; i++) { - st->current_address = normalize_addr(P + i * PMD_LEVEL_MULT); -+ prot = pmd_flags(*start); -+ st->current_prots[3] = merge_prot(st->current_prots[2], __pgprot(prot)); - if (!pmd_none(*start)) { - if (pmd_large(*start) || !pmd_present(*start)) { -- prot = pmd_flags(*start); - note_page(m, st, __pgprot(prot), 3); - } else { - walk_pte_level(m, st, *start, -@@ -338,9 +358,10 @@ static void walk_pud_level(struct seq_file *m, struct pg_state *st, pgd_t addr, - - for (i = 0; i < PTRS_PER_PUD; i++) { - st->current_address = normalize_addr(P + i * PUD_LEVEL_MULT); -+ prot = pud_flags(*start); -+ st->current_prots[2] = merge_prot(st->current_prots[1], __pgprot(start->pud)); - if (!pud_none(*start)) { - if (pud_large(*start) || !pud_present(*start)) { -- prot = pud_flags(*start); - note_page(m, st, __pgprot(prot), 2); - } else { - walk_pmd_level(m, st, *start, -@@ -396,9 +417,10 @@ static void ptdump_walk_pgd_level_core(struct seq_file *m, pgd_t *pgd, - - for (i = 0; i < PTRS_PER_PGD; i++) { - st.current_address = normalize_addr(i * PGD_LEVEL_MULT); -+ prot = pgd_flags(*start); -+ st.current_prots[1] = __pgprot(prot); - if (!pgd_none(*start) && !is_hypervisor_range(i)) { - if (pgd_large(*start) || !pgd_present(*start)) { -- prot = pgd_flags(*start); - note_page(m, &st, __pgprot(prot), 1); - } else { - walk_pud_level(m, &st, *start, -diff --git a/arch/x86/mm/extable.c b/arch/x86/mm/extable.c -index fcd06f7..b5d8f5b 100644 ---- a/arch/x86/mm/extable.c -+++ b/arch/x86/mm/extable.c -@@ -102,7 +102,7 @@ int fixup_exception(struct pt_regs *regs, int trapnr) - ex_handler_t handler; - - #ifdef CONFIG_PNPBIOS -- if (unlikely(SEGMENT_IS_PNP_CODE(regs->cs))) { -+ if (unlikely(!v8086_mode(regs) && SEGMENT_IS_PNP_CODE(regs->cs))) { - extern u32 pnp_bios_fault_eip, pnp_bios_fault_esp; - extern u32 pnp_bios_is_utter_crap; - pnp_bios_is_utter_crap = 1; -diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c -index 9f72ca3..a076e4a 100644 ---- a/arch/x86/mm/fault.c -+++ b/arch/x86/mm/fault.c -@@ -14,6 +14,8 @@ - #include /* prefetchw */ - #include /* exception_enter(), ... */ - #include /* faulthandler_disabled() */ -+#include -+#include - - #include /* boot_cpu_has, ... */ - #include /* dotraplinkage, ... */ -@@ -23,6 +25,11 @@ - #include /* emulate_vsyscall */ - #include /* struct vm86 */ - #include /* vma_pkey() */ -+#include -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#include -+#endif - - #define CREATE_TRACE_POINTS - #include -@@ -126,7 +133,10 @@ check_prefetch_opcode(struct pt_regs *regs, unsigned char *instr, - return !instr_lo || (instr_lo>>1) == 1; - case 0x00: - /* Prefetch instruction is 0x0F0D or 0x0F18 */ -- if (probe_kernel_address(instr, opcode)) -+ if (user_mode(regs)) { -+ if (__copy_from_user_inatomic(&opcode, (unsigned char __force_user *)(instr), 1)) -+ return 0; -+ } else if (probe_kernel_address(instr, opcode)) - return 0; - - *prefetch = (instr_lo == 0xF) && -@@ -151,7 +161,10 @@ is_prefetch(struct pt_regs *regs, unsigned long error_code, unsigned long addr) - if (error_code & PF_INSTR) - return 0; - -- instr = (void *)convert_ip_to_linear(current, regs); -+ addr = convert_ip_to_linear(current, regs); -+ if (addr == -1L) -+ return 0; -+ instr = (void *)addr; - max_instr = instr + 15; - - if (user_mode(regs) && instr >= (unsigned char *)TASK_SIZE_MAX) -@@ -160,7 +173,10 @@ is_prefetch(struct pt_regs *regs, unsigned long error_code, unsigned long addr) - while (instr < max_instr) { - unsigned char opcode; - -- if (probe_kernel_address(instr, opcode)) -+ if (user_mode(regs)) { -+ if (__copy_from_user_inatomic(&opcode, (unsigned char __force_user *)(instr), 1)) -+ break; -+ } else if (probe_kernel_address(instr, opcode)) - break; - - instr++; -@@ -244,6 +260,34 @@ force_sig_info_fault(int si_signo, int si_code, unsigned long address, - force_sig_info(si_signo, &info, tsk); - } - -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+static bool pax_is_fetch_fault(struct pt_regs *regs, unsigned long error_code, unsigned long address); -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+static int pax_handle_fetch_fault(struct pt_regs *regs); -+#endif -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+static inline pmd_t * pax_get_pmd(struct mm_struct *mm, unsigned long address) -+{ -+ pgd_t *pgd; -+ pud_t *pud; -+ pmd_t *pmd; -+ -+ pgd = pgd_offset(mm, address); -+ if (!pgd_present(*pgd)) -+ return NULL; -+ pud = pud_offset(pgd, address); -+ if (!pud_present(*pud)) -+ return NULL; -+ pmd = pmd_offset(pud, address); -+ if (!pmd_present(*pmd)) -+ return NULL; -+ return pmd; -+} -+#endif -+ - DEFINE_SPINLOCK(pgd_lock); - LIST_HEAD(pgd_list); - -@@ -294,10 +338,27 @@ void vmalloc_sync_all(void) - for (address = VMALLOC_START & PMD_MASK; - address >= TASK_SIZE_MAX && address < FIXADDR_TOP; - address += PMD_SIZE) { -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ unsigned long cpu; -+#else - struct page *page; -+#endif - - spin_lock(&pgd_lock); -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ for (cpu = 0; cpu < nr_cpu_ids; ++cpu) { -+ pgd_t *pgd = get_cpu_pgd(cpu, user); -+ pmd_t *ret; -+ -+ ret = vmalloc_sync_one(pgd, address); -+ if (!ret) -+ break; -+ pgd = get_cpu_pgd(cpu, kernel); -+#else - list_for_each_entry(page, &pgd_list, lru) { -+ pgd_t *pgd; - spinlock_t *pgt_lock; - pmd_t *ret; - -@@ -305,8 +366,14 @@ void vmalloc_sync_all(void) - pgt_lock = &pgd_page_get_mm(page)->page_table_lock; - - spin_lock(pgt_lock); -- ret = vmalloc_sync_one(page_address(page), address); -+ pgd = page_address(page); -+#endif -+ -+ ret = vmalloc_sync_one(pgd, address); -+ -+#ifndef CONFIG_PAX_PER_CPU_PGD - spin_unlock(pgt_lock); -+#endif - - if (!ret) - break; -@@ -340,6 +407,12 @@ static noinline int vmalloc_fault(unsigned long address) - * an interrupt in the middle of a task switch.. - */ - pgd_paddr = read_cr3(); -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ BUG_ON(__pa(get_cpu_pgd(smp_processor_id(), kernel)) != (pgd_paddr & __PHYSICAL_MASK)); -+ vmalloc_sync_one(__va(pgd_paddr + PTRS_PER_PGD * sizeof(pgd_t)), address); -+#endif -+ - pmd_k = vmalloc_sync_one(__va(pgd_paddr), address); - if (!pmd_k) - return -1; -@@ -439,11 +512,24 @@ static noinline int vmalloc_fault(unsigned long address) - * happen within a race in page table update. In the later - * case just flush: - */ -- pgd = (pgd_t *)__va(read_cr3()) + pgd_index(address); - pgd_ref = pgd_offset_k(address); - if (pgd_none(*pgd_ref)) - return -1; - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ BUG_ON(__pa(get_cpu_pgd(smp_processor_id(), kernel)) != (read_cr3() & __PHYSICAL_MASK)); -+ pgd = pgd_offset_cpu(smp_processor_id(), user, address); -+ if (pgd_none(*pgd)) { -+ set_pgd(pgd, *pgd_ref); -+ arch_flush_lazy_mmu_mode(); -+ } else { -+ BUG_ON(pgd_page_vaddr(*pgd) != pgd_page_vaddr(*pgd_ref)); -+ } -+ pgd = pgd_offset_cpu(smp_processor_id(), kernel, address); -+#else -+ pgd = (pgd_t *)__va(read_cr3()) + pgd_index(address); -+#endif -+ - if (pgd_none(*pgd)) { - set_pgd(pgd, *pgd_ref); - arch_flush_lazy_mmu_mode(); -@@ -616,7 +702,7 @@ static int is_errata93(struct pt_regs *regs, unsigned long address) - static int is_errata100(struct pt_regs *regs, unsigned long address) - { - #ifdef CONFIG_X86_64 -- if ((regs->cs == __USER32_CS || (regs->cs & (1<<2))) && (address >> 32)) -+ if ((regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT)) && (address >> 32)) - return 1; - #endif - return 0; -@@ -643,9 +729,9 @@ static int is_f00f_bug(struct pt_regs *regs, unsigned long address) - } - - static const char nx_warning[] = KERN_CRIT --"kernel tried to execute NX-protected page - exploit attempt? (uid: %d)\n"; -+"kernel tried to execute NX-protected page - exploit attempt? (uid: %d, task: %s, pid: %d)\n"; - static const char smep_warning[] = KERN_CRIT --"unable to execute userspace code (SMEP?) (uid: %d)\n"; -+"unable to execute userspace code (SMEP?) (uid: %d, task: %s, pid: %d)\n"; - - static void - show_fault_oops(struct pt_regs *regs, unsigned long error_code, -@@ -654,7 +740,7 @@ show_fault_oops(struct pt_regs *regs, unsigned long error_code, - if (!oops_may_print()) - return; - -- if (error_code & PF_INSTR) { -+ if ((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR)) { - unsigned int level; - pgd_t *pgd; - pte_t *pte; -@@ -665,13 +751,25 @@ show_fault_oops(struct pt_regs *regs, unsigned long error_code, - pte = lookup_address_in_pgd(pgd, address, &level); - - if (pte && pte_present(*pte) && !pte_exec(*pte)) -- printk(nx_warning, from_kuid(&init_user_ns, current_uid())); -+ printk(nx_warning, from_kuid_munged(&init_user_ns, current_uid()), current->comm, task_pid_nr(current)); - if (pte && pte_present(*pte) && pte_exec(*pte) && - (pgd_flags(*pgd) & _PAGE_USER) && - (__read_cr4() & X86_CR4_SMEP)) -- printk(smep_warning, from_kuid(&init_user_ns, current_uid())); -+ printk(smep_warning, from_kuid(&init_user_ns, current_uid()), current->comm, task_pid_nr(current)); - } - -+#ifdef CONFIG_PAX_KERNEXEC -+ if (init_mm.start_code <= address && address < init_mm.end_code) { -+ if (current->signal->curr_ip) -+ printk(KERN_EMERG "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n", -+ ¤t->signal->curr_ip, current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid())); -+ else -+ printk(KERN_EMERG "PAX: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n", current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid())); -+ } -+#endif -+ - printk(KERN_ALERT "BUG: unable to handle kernel "); - if (address < PAGE_SIZE) - printk(KERN_CONT "NULL pointer dereference"); -@@ -775,12 +873,9 @@ no_context(struct pt_regs *regs, unsigned long error_code, - * break the console driver and lose most of the stack dump. - */ - asm volatile ("movq %[stack], %%rsp\n\t" -- "call handle_stack_overflow\n\t" -- "1: jmp 1b" - : "+r" (__sp) -- : "D" ("kernel stack overflow (page fault)"), -- "S" (regs), "d" (address), -- [stack] "rm" (stack)); -+ : [stack] "rm" (stack)); -+ handle_stack_overflow("kernel stack overflow (page fault)", regs, address); - unreachable(); - } - #endif -@@ -887,6 +982,21 @@ __bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code, - } - #endif - -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ if (pax_is_fetch_fault(regs, error_code, address)) { -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ switch (pax_handle_fetch_fault(regs)) { -+ case 2: -+ return; -+ } -+#endif -+ -+ pax_report_fault(regs, (void *)regs->ip, (void *)regs->sp); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - /* - * To avoid leaking information about the kernel page table - * layout, pretend that user-mode accesses to kernel addresses -@@ -998,7 +1108,7 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address, - if (fault & (VM_FAULT_HWPOISON|VM_FAULT_HWPOISON_LARGE)) { - printk(KERN_ERR - "MCE: Killing %s:%d due to hardware memory corruption fault at %lx\n", -- tsk->comm, tsk->pid, address); -+ tsk->comm, task_pid_nr(tsk), address); - code = BUS_MCEERR_AR; - } - #endif -@@ -1057,6 +1167,109 @@ static int spurious_fault_check(unsigned long error_code, pte_t *pte) - return 1; - } - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) -+static inline unsigned long get_limit(unsigned long segment) -+{ -+ unsigned long __limit; -+ -+ asm("lsll %1,%0" : "=r" (__limit) : "r" (segment)); -+ return __limit + 1; -+} -+ -+static int pax_handle_pageexec_fault(struct pt_regs *regs, struct mm_struct *mm, unsigned long address, unsigned long error_code) -+{ -+ pte_t *pte; -+ pmd_t *pmd; -+ spinlock_t *ptl; -+ unsigned char pte_mask; -+ -+ if ((__supported_pte_mask & _PAGE_NX) || (error_code & (PF_PROT|PF_USER)) != (PF_PROT|PF_USER) || v8086_mode(regs) || -+ !(mm->pax_flags & MF_PAX_PAGEEXEC)) -+ return 0; -+ -+ /* PaX: it's our fault, let's handle it if we can */ -+ -+ /* PaX: take a look at read faults before acquiring any locks */ -+ if (unlikely(!(error_code & PF_WRITE) && (regs->ip == address))) { -+ /* instruction fetch attempt from a protected page in user mode */ -+ up_read(&mm->mmap_sem); -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ switch (pax_handle_fetch_fault(regs)) { -+ case 2: -+ return 1; -+ } -+#endif -+ -+ pax_report_fault(regs, (void *)regs->ip, (void *)regs->sp); -+ do_group_exit(SIGKILL); -+ } -+ -+ pmd = pax_get_pmd(mm, address); -+ if (unlikely(!pmd)) -+ return 0; -+ -+ pte = pte_offset_map_lock(mm, pmd, address, &ptl); -+ if (unlikely(!(pte_val(*pte) & _PAGE_PRESENT) || pte_user(*pte))) { -+ pte_unmap_unlock(pte, ptl); -+ return 0; -+ } -+ -+ if (unlikely((error_code & PF_WRITE) && !pte_write(*pte))) { -+ /* write attempt to a protected page in user mode */ -+ pte_unmap_unlock(pte, ptl); -+ return 0; -+ } -+ -+#ifdef CONFIG_SMP -+ if (likely(address > get_limit(regs->cs) && cpumask_test_cpu(smp_processor_id(), &mm->context.cpu_user_cs_mask))) -+#else -+ if (likely(address > get_limit(regs->cs))) -+#endif -+ { -+ set_pte(pte, pte_mkread(*pte)); -+ __flush_tlb_one(address); -+ pte_unmap_unlock(pte, ptl); -+ up_read(&mm->mmap_sem); -+ return 1; -+ } -+ -+ pte_mask = _PAGE_ACCESSED | _PAGE_USER | ((error_code & PF_WRITE) << (_PAGE_BIT_DIRTY-1)); -+ -+ /* -+ * PaX: fill DTLB with user rights and retry -+ */ -+ __asm__ __volatile__ ( -+ "orb %2,(%1)\n" -+#if defined(CONFIG_M586) || defined(CONFIG_M586TSC) -+/* -+ * PaX: let this uncommented 'invlpg' remind us on the behaviour of Intel's -+ * (and AMD's) TLBs. namely, they do not cache PTEs that would raise *any* -+ * page fault when examined during a TLB load attempt. this is true not only -+ * for PTEs holding a non-present entry but also present entries that will -+ * raise a page fault (such as those set up by PaX, or the copy-on-write -+ * mechanism). in effect it means that we do *not* need to flush the TLBs -+ * for our target pages since their PTEs are simply not in the TLBs at all. -+ -+ * the best thing in omitting it is that we gain around 15-20% speed in the -+ * fast path of the page fault handler and can get rid of tracing since we -+ * can no longer flush unintended entries. -+ */ -+ "invlpg (%0)\n" -+#endif -+ ASM_STAC "\n" -+ __copyuser_seg"testb $0,(%0)\n" -+ ASM_CLAC "\n" -+ "xorb %3,(%1)\n" -+ : -+ : "r" (address), "r" (pte), "q" (pte_mask), "i" (_PAGE_USER) -+ : "memory", "cc"); -+ pte_unmap_unlock(pte, ptl); -+ up_read(&mm->mmap_sem); -+ return 1; -+} -+#endif -+ - /* - * Handle a spurious fault caused by a stale TLB entry. - * -@@ -1145,6 +1358,9 @@ access_error(unsigned long error_code, struct vm_area_struct *vma) - /* This is only called for the current mm, so: */ - bool foreign = false; - -+ if ((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR) && !(vma->vm_flags & VM_EXEC)) -+ return 1; -+ - /* - * Read or write was blocked by protection keys. This is - * always an unconditional error and can never result in -@@ -1224,6 +1440,22 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code, - tsk = current; - mm = tsk->mm; - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (!user_mode(regs) && address < 2 * pax_user_shadow_base) { -+ if (!search_exception_tables(regs->ip)) { -+ printk(KERN_EMERG "PAX: please report this to pageexec@freemail.hu\n"); -+ bad_area_nosemaphore(regs, error_code, address, NULL); -+ return; -+ } -+ if (address < pax_user_shadow_base) { -+ printk(KERN_EMERG "PAX: please report this to pageexec@freemail.hu\n"); -+ printk(KERN_EMERG "PAX: faulting IP: %pS\n", (void *)regs->ip); -+ show_trace_log_lvl(current, regs, (void *)regs->sp, KERN_EMERG); -+ } else -+ address -= pax_user_shadow_base; -+ } -+#endif -+ - /* - * Detect and handle instructions that would cause a page fault for - * both a tracked kernel page and a userspace page. -@@ -1350,6 +1582,11 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code, - might_sleep(); - } - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) -+ if (pax_handle_pageexec_fault(regs, mm, address, error_code)) -+ return; -+#endif -+ - vma = find_vma(mm, address); - if (unlikely(!vma)) { - bad_area(regs, error_code, address); -@@ -1361,18 +1598,24 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code, - bad_area(regs, error_code, address); - return; - } -- if (error_code & PF_USER) { -- /* -- * Accessing the stack below %sp is always a bug. -- * The large cushion allows instructions like enter -- * and pusha to work. ("enter $65535, $31" pushes -- * 32 pointers and then decrements %sp by 65535.) -- */ -- if (unlikely(address + 65536 + 32 * sizeof(unsigned long) < regs->sp)) { -- bad_area(regs, error_code, address); -- return; -- } -+ /* -+ * Accessing the stack below %sp is always a bug. -+ * The large cushion allows instructions like enter -+ * and pusha to work. ("enter $65535, $31" pushes -+ * 32 pointers and then decrements %sp by 65535.) -+ */ -+ if (unlikely(address + 65536 + 32 * sizeof(unsigned long) < task_pt_regs(tsk)->sp)) { -+ bad_area(regs, error_code, address); -+ return; - } -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (unlikely((mm->pax_flags & MF_PAX_SEGMEXEC) && vma->vm_end - SEGMEXEC_TASK_SIZE - 1 < address - SEGMEXEC_TASK_SIZE - 1)) { -+ bad_area(regs, error_code, address); -+ return; -+ } -+#endif -+ - if (unlikely(expand_stack(vma, address))) { - bad_area(regs, error_code, address); - return; -@@ -1492,3 +1735,292 @@ trace_do_page_fault(struct pt_regs *regs, unsigned long error_code) - } - NOKPROBE_SYMBOL(trace_do_page_fault); - #endif /* CONFIG_TRACING */ -+ -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+static bool pax_is_fetch_fault(struct pt_regs *regs, unsigned long error_code, unsigned long address) -+{ -+ struct mm_struct *mm = current->mm; -+ unsigned long ip = regs->ip; -+ -+ if (v8086_mode(regs)) -+ ip = ((regs->cs & 0xffff) << 4) + (ip & 0xffff); -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (mm->pax_flags & MF_PAX_PAGEEXEC) { -+ if ((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR)) -+ return true; -+ if (!(error_code & (PF_PROT | PF_WRITE)) && ip == address) -+ return true; -+ return false; -+ } -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) { -+ if (!(error_code & (PF_PROT | PF_WRITE)) && (ip + SEGMEXEC_TASK_SIZE == address)) -+ return true; -+ return false; -+ } -+#endif -+ -+ return false; -+} -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+static int pax_handle_fetch_fault_32(struct pt_regs *regs) -+{ -+ int err; -+ -+ do { /* PaX: libffi trampoline emulation */ -+ unsigned char mov, jmp; -+ unsigned int addr1, addr2; -+ -+#ifdef CONFIG_X86_64 -+ if ((regs->ip + 9) >> 32) -+ break; -+#endif -+ -+ err = get_user(mov, (unsigned char __user *)regs->ip); -+ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 1)); -+ err |= get_user(jmp, (unsigned char __user *)(regs->ip + 5)); -+ err |= get_user(addr2, (unsigned int __user *)(regs->ip + 6)); -+ -+ if (err) -+ break; -+ -+ if (mov == 0xB8 && jmp == 0xE9) { -+ regs->ax = addr1; -+ regs->ip = (unsigned int)(regs->ip + addr2 + 10); -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: gcc trampoline emulation #1 */ -+ unsigned char mov1, mov2; -+ unsigned short jmp; -+ unsigned int addr1, addr2; -+ -+#ifdef CONFIG_X86_64 -+ if ((regs->ip + 11) >> 32) -+ break; -+#endif -+ -+ err = get_user(mov1, (unsigned char __user *)regs->ip); -+ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 1)); -+ err |= get_user(mov2, (unsigned char __user *)(regs->ip + 5)); -+ err |= get_user(addr2, (unsigned int __user *)(regs->ip + 6)); -+ err |= get_user(jmp, (unsigned short __user *)(regs->ip + 10)); -+ -+ if (err) -+ break; -+ -+ if (mov1 == 0xB9 && mov2 == 0xB8 && jmp == 0xE0FF) { -+ regs->cx = addr1; -+ regs->ax = addr2; -+ regs->ip = addr2; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: gcc trampoline emulation #2 */ -+ unsigned char mov, jmp; -+ unsigned int addr1, addr2; -+ -+#ifdef CONFIG_X86_64 -+ if ((regs->ip + 9) >> 32) -+ break; -+#endif -+ -+ err = get_user(mov, (unsigned char __user *)regs->ip); -+ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 1)); -+ err |= get_user(jmp, (unsigned char __user *)(regs->ip + 5)); -+ err |= get_user(addr2, (unsigned int __user *)(regs->ip + 6)); -+ -+ if (err) -+ break; -+ -+ if (mov == 0xB9 && jmp == 0xE9) { -+ regs->cx = addr1; -+ regs->ip = (unsigned int)(regs->ip + addr2 + 10); -+ return 2; -+ } -+ } while (0); -+ -+ return 1; /* PaX in action */ -+} -+ -+#ifdef CONFIG_X86_64 -+static int pax_handle_fetch_fault_64(struct pt_regs *regs) -+{ -+ int err; -+ -+ do { /* PaX: libffi trampoline emulation */ -+ unsigned short mov1, mov2, jmp1; -+ unsigned char stcclc, jmp2; -+ unsigned long addr1, addr2; -+ -+ err = get_user(mov1, (unsigned short __user *)regs->ip); -+ err |= get_user(addr1, (unsigned long __user *)(regs->ip + 2)); -+ err |= get_user(mov2, (unsigned short __user *)(regs->ip + 10)); -+ err |= get_user(addr2, (unsigned long __user *)(regs->ip + 12)); -+ err |= get_user(stcclc, (unsigned char __user *)(regs->ip + 20)); -+ err |= get_user(jmp1, (unsigned short __user *)(regs->ip + 21)); -+ err |= get_user(jmp2, (unsigned char __user *)(regs->ip + 23)); -+ -+ if (err) -+ break; -+ -+ if (mov1 == 0xBB49 && mov2 == 0xBA49 && (stcclc == 0xF8 || stcclc == 0xF9) && jmp1 == 0xFF49 && jmp2 == 0xE3) { -+ regs->r11 = addr1; -+ regs->r10 = addr2; -+ if (stcclc == 0xF8) -+ regs->flags &= ~X86_EFLAGS_CF; -+ else -+ regs->flags |= X86_EFLAGS_CF; -+ regs->ip = addr1; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: gcc trampoline emulation #1 */ -+ unsigned short mov1, mov2, jmp1; -+ unsigned char jmp2; -+ unsigned int addr1; -+ unsigned long addr2; -+ -+ err = get_user(mov1, (unsigned short __user *)regs->ip); -+ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 2)); -+ err |= get_user(mov2, (unsigned short __user *)(regs->ip + 6)); -+ err |= get_user(addr2, (unsigned long __user *)(regs->ip + 8)); -+ err |= get_user(jmp1, (unsigned short __user *)(regs->ip + 16)); -+ err |= get_user(jmp2, (unsigned char __user *)(regs->ip + 18)); -+ -+ if (err) -+ break; -+ -+ if (mov1 == 0xBB41 && mov2 == 0xBA49 && jmp1 == 0xFF49 && jmp2 == 0xE3) { -+ regs->r11 = addr1; -+ regs->r10 = addr2; -+ regs->ip = addr1; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: gcc trampoline emulation #2 */ -+ unsigned short mov1, mov2, jmp1; -+ unsigned char jmp2; -+ unsigned long addr1, addr2; -+ -+ err = get_user(mov1, (unsigned short __user *)regs->ip); -+ err |= get_user(addr1, (unsigned long __user *)(regs->ip + 2)); -+ err |= get_user(mov2, (unsigned short __user *)(regs->ip + 10)); -+ err |= get_user(addr2, (unsigned long __user *)(regs->ip + 12)); -+ err |= get_user(jmp1, (unsigned short __user *)(regs->ip + 20)); -+ err |= get_user(jmp2, (unsigned char __user *)(regs->ip + 22)); -+ -+ if (err) -+ break; -+ -+ if (mov1 == 0xBB49 && mov2 == 0xBA49 && jmp1 == 0xFF49 && jmp2 == 0xE3) { -+ regs->r11 = addr1; -+ regs->r10 = addr2; -+ regs->ip = addr1; -+ return 2; -+ } -+ } while (0); -+ -+ return 1; /* PaX in action */ -+} -+#endif -+ -+/* -+ * PaX: decide what to do with offenders (regs->ip = fault address) -+ * -+ * returns 1 when task should be killed -+ * 2 when gcc trampoline was detected -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ if (v8086_mode(regs)) -+ return 1; -+ -+ if (!(current->mm->pax_flags & MF_PAX_EMUTRAMP)) -+ return 1; -+ -+#ifdef CONFIG_X86_32 -+ return pax_handle_fetch_fault_32(regs); -+#else -+ if (regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT)) -+ return pax_handle_fetch_fault_32(regs); -+ else -+ return pax_handle_fetch_fault_64(regs); -+#endif -+} -+#endif -+ -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 20; i++) { -+ unsigned char c; -+ if (get_user(c, (unsigned char __force_user *)pc+i)) -+ printk(KERN_CONT "?? "); -+ else -+ printk(KERN_CONT "%02x ", c); -+ } -+ printk("\n"); -+ -+ printk(KERN_ERR "PAX: bytes at SP-%lu: ", (unsigned long)sizeof(long)); -+ for (i = -1; i < 80 / (long)sizeof(long); i++) { -+ unsigned long c; -+ if (get_user(c, (unsigned long __force_user *)sp+i)) { -+#ifdef CONFIG_X86_32 -+ printk(KERN_CONT "???????? "); -+#else -+ if ((regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT))) -+ printk(KERN_CONT "???????? ???????? "); -+ else -+ printk(KERN_CONT "???????????????? "); -+#endif -+ } else { -+#ifdef CONFIG_X86_64 -+ if ((regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT))) { -+ printk(KERN_CONT "%08x ", (unsigned int)c); -+ printk(KERN_CONT "%08x ", (unsigned int)(c >> 32)); -+ } else -+#endif -+ printk(KERN_CONT "%0*lx ", 2 * (int)sizeof(long), c); -+ } -+ } -+ printk("\n"); -+} -+#endif -+ -+/** -+ * probe_kernel_write(): safely attempt to write to a location -+ * @dst: address to write to -+ * @src: pointer to the data that shall be written -+ * @size: size of the data chunk -+ * -+ * Safely write to address @dst from the buffer at @src. If a kernel fault -+ * happens, handle that and return -EFAULT. -+ */ -+long notrace probe_kernel_write(void *dst, const void *src, size_t size) -+{ -+ long ret; -+ mm_segment_t old_fs = get_fs(); -+ -+ set_fs(KERNEL_DS); -+ pagefault_disable(); -+ pax_open_kernel(); -+ ret = __copy_to_user_inatomic((void __force_user *)dst, src, size); -+ pax_close_kernel(); -+ pagefault_enable(); -+ set_fs(old_fs); -+ -+ return ret ? -EFAULT : 0; -+} -diff --git a/arch/x86/mm/gup.c b/arch/x86/mm/gup.c -index 1680768..7b7d958 100644 ---- a/arch/x86/mm/gup.c -+++ b/arch/x86/mm/gup.c -@@ -317,7 +317,7 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write, - addr = start; - len = (unsigned long) nr_pages << PAGE_SHIFT; - end = start + len; -- if (unlikely(!access_ok(write ? VERIFY_WRITE : VERIFY_READ, -+ if (unlikely(!access_ok_noprefault(write ? VERIFY_WRITE : VERIFY_READ, - (void __user *)start, len))) - return 0; - -@@ -393,6 +393,10 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, - goto slow_irqon; - #endif - -+ if (unlikely(!access_ok_noprefault(write ? VERIFY_WRITE : VERIFY_READ, -+ (void __user *)start, len))) -+ return 0; -+ - /* - * XXX: batch / limit 'nr', to avoid large irq off latency - * needs some instrumenting to determine the common sizes used by -diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c -index 6d18b70..9dc249e 100644 ---- a/arch/x86/mm/highmem_32.c -+++ b/arch/x86/mm/highmem_32.c -@@ -35,6 +35,8 @@ void *kmap_atomic_prot(struct page *page, pgprot_t prot) - unsigned long vaddr; - int idx, type; - -+ BUG_ON(pgprot_val(prot) & _PAGE_USER); -+ - preempt_disable(); - pagefault_disable(); - -@@ -45,7 +47,11 @@ void *kmap_atomic_prot(struct page *page, pgprot_t prot) - idx = type + KM_TYPE_NR*smp_processor_id(); - vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); - BUG_ON(!pte_none(*(kmap_pte-idx))); -+ -+ pax_open_kernel(); - set_pte(kmap_pte-idx, mk_pte(page, prot)); -+ pax_close_kernel(); -+ - arch_flush_lazy_mmu_mode(); - - return (void *)vaddr; -diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c -index 2ae8584..e8f8f29 100644 ---- a/arch/x86/mm/hugetlbpage.c -+++ b/arch/x86/mm/hugetlbpage.c -@@ -74,23 +74,24 @@ int pud_huge(pud_t pud) - #ifdef CONFIG_HUGETLB_PAGE - static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *file, - unsigned long addr, unsigned long len, -- unsigned long pgoff, unsigned long flags) -+ unsigned long pgoff, unsigned long flags, unsigned long offset) - { - struct hstate *h = hstate_file(file); - struct vm_unmapped_area_info info; -- -+ - info.flags = 0; - info.length = len; - info.low_limit = current->mm->mmap_legacy_base; - info.high_limit = TASK_SIZE; - info.align_mask = PAGE_MASK & ~huge_page_mask(h); - info.align_offset = 0; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - - static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file, - unsigned long addr0, unsigned long len, -- unsigned long pgoff, unsigned long flags) -+ unsigned long pgoff, unsigned long flags, unsigned long offset) - { - struct hstate *h = hstate_file(file); - struct vm_unmapped_area_info info; -@@ -102,6 +103,7 @@ static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file, - info.high_limit = current->mm->mmap_base; - info.align_mask = PAGE_MASK & ~huge_page_mask(h); - info.align_offset = 0; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - /* -@@ -114,6 +116,12 @@ static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file, - VM_BUG_ON(addr != -ENOMEM); - info.flags = 0; - info.low_limit = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (current->mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += current->mm->delta_mmap; -+#endif -+ - info.high_limit = TASK_SIZE; - addr = vm_unmapped_area(&info); - } -@@ -128,10 +136,20 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, - struct hstate *h = hstate_file(file); - struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; -+ unsigned long pax_task_size = TASK_SIZE; -+ unsigned long offset = gr_rand_threadstack_offset(mm, file, flags); - - if (len & ~huge_page_mask(h)) - return -EINVAL; -- if (len > TASK_SIZE) -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ pax_task_size -= PAGE_SIZE; -+ -+ if (len > pax_task_size) - return -ENOMEM; - - if (flags & MAP_FIXED) { -@@ -140,19 +158,22 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, - return addr; - } - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - addr = ALIGN(addr, huge_page_size(h)); - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (pax_task_size - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - if (mm->get_unmapped_area == arch_get_unmapped_area) - return hugetlb_get_unmapped_area_bottomup(file, addr, len, -- pgoff, flags); -+ pgoff, flags, offset); - else - return hugetlb_get_unmapped_area_topdown(file, addr, len, -- pgoff, flags); -+ pgoff, flags, offset); - } - #endif /* CONFIG_HUGETLB_PAGE */ - -diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c -index 22af912..ac95bc1 100644 ---- a/arch/x86/mm/init.c -+++ b/arch/x86/mm/init.c -@@ -4,6 +4,7 @@ - #include - #include - #include /* for max_low_pfn */ -+#include - - #include - #include -@@ -18,6 +19,7 @@ - #include /* for MAX_DMA_PFN */ - #include - #include -+#include - - /* - * We need to define the tracepoints somewhere, and tlb.c -@@ -633,7 +635,18 @@ void __init init_mem_mapping(void) - early_ioremap_page_table_range_init(); - #endif - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ clone_pgd_range(get_cpu_pgd(0, kernel) + KERNEL_PGD_BOUNDARY, -+ swapper_pg_dir + KERNEL_PGD_BOUNDARY, -+ KERNEL_PGD_PTRS); -+ clone_pgd_range(get_cpu_pgd(0, user) + KERNEL_PGD_BOUNDARY, -+ swapper_pg_dir + KERNEL_PGD_BOUNDARY, -+ KERNEL_PGD_PTRS); -+ load_cr3(get_cpu_pgd(0, kernel)); -+#else - load_cr3(swapper_pg_dir); -+#endif -+ - __flush_tlb_all(); - - early_memtest(0, max_pfn_mapped << PAGE_SHIFT); -@@ -649,10 +662,34 @@ void __init init_mem_mapping(void) - * Access has to be given to non-kernel-ram areas as well, these contain the PCI - * mmio resources as well as potential bios/acpi data regions. - */ -+ -+#ifdef CONFIG_GRKERNSEC_KMEM -+static unsigned int ebda_start __read_only; -+static unsigned int ebda_end __read_only; -+#endif -+ - int devmem_is_allowed(unsigned long pagenr) - { -+#ifdef CONFIG_GRKERNSEC_KMEM -+ /* allow BDA */ -+ if (!pagenr) -+ return 1; -+ /* allow EBDA */ -+ if (pagenr >= ebda_start && pagenr < ebda_end) -+ return 1; -+ /* if tboot is in use, allow access to its hardcoded serial log range */ -+ if (tboot_enabled() && ((0x60000 >> PAGE_SHIFT) <= pagenr) && (pagenr < (0x68000 >> PAGE_SHIFT))) -+ return 1; -+ if ((ISA_START_ADDRESS >> PAGE_SHIFT) <= pagenr && pagenr < (ISA_END_ADDRESS >> PAGE_SHIFT)) -+ return 1; -+ /* throw out everything else below 1MB */ -+ if (pagenr <= 256) -+ return 0; -+#else - if (pagenr < 256) - return 1; -+#endif -+ - if (iomem_is_exclusive(pagenr << PAGE_SHIFT)) - return 0; - if (!page_is_ram(pagenr)) -@@ -699,8 +736,33 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end) - } - } - -+#ifdef CONFIG_GRKERNSEC_KMEM -+static inline void gr_init_ebda(void) -+{ -+ unsigned int ebda_addr; -+ unsigned int ebda_size = 0; -+ -+ ebda_addr = get_bios_ebda(); -+ if (ebda_addr) { -+ ebda_size = *(unsigned char *)phys_to_virt(ebda_addr); -+ ebda_size <<= 10; -+ } -+ if (ebda_addr && ebda_size) { -+ ebda_start = ebda_addr >> PAGE_SHIFT; -+ ebda_end = min((unsigned int)PAGE_ALIGN(ebda_addr + ebda_size), (unsigned int)0xa0000) >> PAGE_SHIFT; -+ } else { -+ ebda_start = 0x9f000 >> PAGE_SHIFT; -+ ebda_end = 0xa0000 >> PAGE_SHIFT; -+ } -+} -+#else -+static inline void gr_init_ebda(void) { } -+#endif -+ - void __ref free_initmem(void) - { -+ gr_init_ebda(); -+ - e820_reallocate_tables(); - - free_init_pages("unused kernel", -diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c -index cf80590..de69971 100644 ---- a/arch/x86/mm/init_32.c -+++ b/arch/x86/mm/init_32.c -@@ -51,6 +51,7 @@ - #include - #include - #include -+#include - - #include "mm_internal.h" - -@@ -61,33 +62,6 @@ static noinline int do_test_wp_bit(void); - bool __read_mostly __vmalloc_start_set = false; - - /* -- * Creates a middle page table and puts a pointer to it in the -- * given global directory entry. This only returns the gd entry -- * in non-PAE compilation mode, since the middle layer is folded. -- */ --static pmd_t * __init one_md_table_init(pgd_t *pgd) --{ -- pud_t *pud; -- pmd_t *pmd_table; -- --#ifdef CONFIG_X86_PAE -- if (!(pgd_val(*pgd) & _PAGE_PRESENT)) { -- pmd_table = (pmd_t *)alloc_low_page(); -- paravirt_alloc_pmd(&init_mm, __pa(pmd_table) >> PAGE_SHIFT); -- set_pgd(pgd, __pgd(__pa(pmd_table) | _PAGE_PRESENT)); -- pud = pud_offset(pgd, 0); -- BUG_ON(pmd_table != pmd_offset(pud, 0)); -- -- return pmd_table; -- } --#endif -- pud = pud_offset(pgd, 0); -- pmd_table = pmd_offset(pud, 0); -- -- return pmd_table; --} -- --/* - * Create a page table and place a pointer to it in a middle page - * directory entry: - */ -@@ -97,13 +71,28 @@ static pte_t * __init one_page_table_init(pmd_t *pmd) - pte_t *page_table = (pte_t *)alloc_low_page(); - - paravirt_alloc_pte(&init_mm, __pa(page_table) >> PAGE_SHIFT); -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ set_pmd(pmd, __pmd(__pa(page_table) | _KERNPG_TABLE)); -+#else - set_pmd(pmd, __pmd(__pa(page_table) | _PAGE_TABLE)); -+#endif - BUG_ON(page_table != pte_offset_kernel(pmd, 0)); - } - - return pte_offset_kernel(pmd, 0); - } - -+static pmd_t * __init one_md_table_init(pgd_t *pgd) -+{ -+ pud_t *pud; -+ pmd_t *pmd_table; -+ -+ pud = pud_offset(pgd, 0); -+ pmd_table = pmd_offset(pud, 0); -+ -+ return pmd_table; -+} -+ - pmd_t * __init populate_extra_pmd(unsigned long vaddr) - { - int pgd_idx = pgd_index(vaddr); -@@ -208,6 +197,7 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base) - int pgd_idx, pmd_idx; - unsigned long vaddr; - pgd_t *pgd; -+ pud_t *pud; - pmd_t *pmd; - pte_t *pte = NULL; - unsigned long count = page_table_range_init_count(start, end); -@@ -222,8 +212,13 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base) - pgd = pgd_base + pgd_idx; - - for ( ; (pgd_idx < PTRS_PER_PGD) && (vaddr != end); pgd++, pgd_idx++) { -- pmd = one_md_table_init(pgd); -- pmd = pmd + pmd_index(vaddr); -+ pud = pud_offset(pgd, vaddr); -+ pmd = pmd_offset(pud, vaddr); -+ -+#ifdef CONFIG_X86_PAE -+ paravirt_alloc_pmd(&init_mm, __pa(pmd) >> PAGE_SHIFT); -+#endif -+ - for (; (pmd_idx < PTRS_PER_PMD) && (vaddr != end); - pmd++, pmd_idx++) { - pte = page_table_kmap_check(one_page_table_init(pmd), -@@ -235,11 +230,20 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base) - } - } - --static inline int is_kernel_text(unsigned long addr) -+static inline int is_kernel_text(unsigned long start, unsigned long end) - { -- if (addr >= (unsigned long)_text && addr <= (unsigned long)__init_end) -- return 1; -- return 0; -+ if ((start >= ktla_ktva((unsigned long)_etext) || -+ end <= ktla_ktva((unsigned long)_stext)) && -+ (start >= ktla_ktva((unsigned long)_einittext) || -+ end <= ktla_ktva((unsigned long)_sinittext)) && -+ -+#ifdef CONFIG_ACPI_SLEEP -+ (start >= (unsigned long)__va(acpi_wakeup_address) + 0x4000 || end <= (unsigned long)__va(acpi_wakeup_address)) && -+#endif -+ -+ (start > (unsigned long)__va(0xfffff) || end <= (unsigned long)__va(0xc0000))) -+ return 0; -+ return 1; - } - - /* -@@ -256,9 +260,10 @@ kernel_physical_mapping_init(unsigned long start, - unsigned long last_map_addr = end; - unsigned long start_pfn, end_pfn; - pgd_t *pgd_base = swapper_pg_dir; -- int pgd_idx, pmd_idx, pte_ofs; -+ unsigned int pgd_idx, pmd_idx, pte_ofs; - unsigned long pfn; - pgd_t *pgd; -+ pud_t *pud; - pmd_t *pmd; - pte_t *pte; - unsigned pages_2m, pages_4k; -@@ -291,8 +296,13 @@ kernel_physical_mapping_init(unsigned long start, - pfn = start_pfn; - pgd_idx = pgd_index((pfn<> PAGE_SHIFT); -+#endif - - if (pfn >= end_pfn) - continue; -@@ -304,14 +314,13 @@ kernel_physical_mapping_init(unsigned long start, - #endif - for (; pmd_idx < PTRS_PER_PMD && pfn < end_pfn; - pmd++, pmd_idx++) { -- unsigned int addr = pfn * PAGE_SIZE + PAGE_OFFSET; -+ unsigned long address = pfn * PAGE_SIZE + PAGE_OFFSET; - - /* - * Map with big pages if possible, otherwise - * create normal page tables: - */ - if (use_pse) { -- unsigned int addr2; - pgprot_t prot = PAGE_KERNEL_LARGE; - /* - * first pass will use the same initial -@@ -322,11 +331,7 @@ kernel_physical_mapping_init(unsigned long start, - _PAGE_PSE); - - pfn &= PMD_MASK >> PAGE_SHIFT; -- addr2 = (pfn + PTRS_PER_PTE-1) * PAGE_SIZE + -- PAGE_OFFSET + PAGE_SIZE-1; -- -- if (is_kernel_text(addr) || -- is_kernel_text(addr2)) -+ if (is_kernel_text(address, address + PMD_SIZE)) - prot = PAGE_KERNEL_LARGE_EXEC; - - pages_2m++; -@@ -343,7 +348,7 @@ kernel_physical_mapping_init(unsigned long start, - pte_ofs = pte_index((pfn<> 10, - -- (unsigned long)&_etext, (unsigned long)&_edata, -- ((unsigned long)&_edata - (unsigned long)&_etext) >> 10, -+ (unsigned long)&_sdata, (unsigned long)&_edata, -+ ((unsigned long)&_edata - (unsigned long)&_sdata) >> 10, - -- (unsigned long)&_text, (unsigned long)&_etext, -+ ktla_ktva((unsigned long)&_text), ktla_ktva((unsigned long)&_etext), - ((unsigned long)&_etext - (unsigned long)&_text) >> 10); - - /* -@@ -867,7 +870,7 @@ static noinline int do_test_wp_bit(void) - const int rodata_test_data = 0xC3; - EXPORT_SYMBOL_GPL(rodata_test_data); - --int kernel_set_to_readonly __read_mostly; -+int kernel_set_to_readonly __read_only; - - void set_kernel_text_rw(void) - { -@@ -877,6 +880,7 @@ void set_kernel_text_rw(void) - if (!kernel_set_to_readonly) - return; - -+ start = ktla_ktva(start); - pr_debug("Set kernel text: %lx - %lx for read write\n", - start, start+size); - -@@ -891,6 +895,7 @@ void set_kernel_text_ro(void) - if (!kernel_set_to_readonly) - return; - -+ start = ktla_ktva(start); - pr_debug("Set kernel text: %lx - %lx for read only\n", - start, start+size); - -@@ -903,7 +908,7 @@ static void mark_nxdata_nx(void) - * When this called, init has already been executed and released, - * so everything past _etext should be NX. - */ -- unsigned long start = PFN_ALIGN(_etext); -+ unsigned long start = ktla_ktva(PFN_ALIGN(_etext)); - /* - * This comes from is_kernel_text upper limit. Also HPAGE where used: - */ -@@ -919,26 +924,52 @@ void mark_rodata_ro(void) - unsigned long start = PFN_ALIGN(_text); - unsigned long size = PFN_ALIGN(_etext) - start; - -- set_pages_ro(virt_to_page(start), size >> PAGE_SHIFT); -- printk(KERN_INFO "Write protecting the kernel text: %luk\n", -- size >> 10); -+#ifdef CONFIG_PAX_KERNEXEC -+ /* PaX: limit KERNEL_CS to actual size */ -+ unsigned long limit; -+ struct desc_struct d; -+ int cpu; - -+ limit = get_kernel_rpl() ? ktva_ktla(0xffffffff) : (unsigned long)&_etext; -+ limit = (limit - 1UL) >> PAGE_SHIFT; -+ -+ memset(__LOAD_PHYSICAL_ADDR + PAGE_OFFSET, POISON_FREE_INITMEM, PAGE_SIZE); -+ for (cpu = 0; cpu < nr_cpu_ids; cpu++) { -+ pack_descriptor(&d, get_desc_base(&get_cpu_gdt_table(cpu)[GDT_ENTRY_KERNEL_CS]), limit, 0x9B, 0xC); -+ write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_KERNEL_CS, &d, DESCTYPE_S); -+ write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_KERNEXEC_KERNEL_CS, &d, DESCTYPE_S); -+ } -+ -+#ifdef CONFIG_MODULES -+ set_memory_4k((unsigned long)MODULES_EXEC_VADDR, (MODULES_EXEC_END - MODULES_EXEC_VADDR) >> PAGE_SHIFT); -+#endif -+#endif -+ -+ start = ktla_ktva(start); -+#ifdef CONFIG_PAX_KERNEXEC -+ /* PaX: make KERNEL_CS read-only */ -+ if (!get_kernel_rpl()) { -+#endif - kernel_set_to_readonly = 1; - -+ set_pages_ro(virt_to_page(start), size >> PAGE_SHIFT); -+ printk(KERN_INFO "Write protecting the kernel text: %luk\n", size >> 10); -+ - #ifdef CONFIG_CPA_DEBUG -- printk(KERN_INFO "Testing CPA: Reverting %lx-%lx\n", -- start, start+size); -+ printk(KERN_INFO "Testing CPA: Reverting %lx-%lx\n", start, start+size); - set_pages_rw(virt_to_page(start), size>>PAGE_SHIFT); - - printk(KERN_INFO "Testing CPA: write protecting again\n"); - set_pages_ro(virt_to_page(start), size>>PAGE_SHIFT); - #endif -+#ifdef CONFIG_PAX_KERNEXEC -+ } -+#endif - - start += size; -- size = (unsigned long)__end_rodata - start; -+ size = PFN_ALIGN(_sdata) - start; - set_pages_ro(virt_to_page(start), size >> PAGE_SHIFT); -- printk(KERN_INFO "Write protecting the kernel read-only data: %luk\n", -- size >> 10); -+ printk(KERN_INFO "Write protecting the kernel read-only data: %luk\n", size >> 10); - rodata_test(); - - #ifdef CONFIG_CPA_DEBUG -@@ -952,3 +983,7 @@ void mark_rodata_ro(void) - if (__supported_pte_mask & _PAGE_NX) - debug_checkwx(); - } -+ -+#ifdef CONFIG_PAX_KERNEXEC -+EXPORT_SYMBOL(__LOAD_PHYSICAL_ADDR); -+#endif -diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c -index 14b9dd7..774d517 100644 ---- a/arch/x86/mm/init_64.c -+++ b/arch/x86/mm/init_64.c -@@ -65,7 +65,7 @@ - * around without checking the pgd every time. - */ - --pteval_t __supported_pte_mask __read_mostly = ~0; -+pteval_t __supported_pte_mask __read_only = ~_PAGE_NX; - EXPORT_SYMBOL_GPL(__supported_pte_mask); - - int force_personality32; -@@ -98,7 +98,12 @@ void sync_global_pgds(unsigned long start, unsigned long end, int removed) - - for (address = start; address <= end; address += PGDIR_SIZE) { - const pgd_t *pgd_ref = pgd_offset_k(address); -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ unsigned long cpu; -+#else - struct page *page; -+#endif - - /* - * When it is called after memory hot remove, pgd_none() -@@ -109,6 +114,25 @@ void sync_global_pgds(unsigned long start, unsigned long end, int removed) - continue; - - spin_lock(&pgd_lock); -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ for (cpu = 0; cpu < nr_cpu_ids; ++cpu) { -+ pgd_t *pgd = pgd_offset_cpu(cpu, user, address); -+ -+ if (!pgd_none(*pgd_ref) && !pgd_none(*pgd)) -+ BUG_ON(pgd_page_vaddr(*pgd) -+ != pgd_page_vaddr(*pgd_ref)); -+ -+ if (removed) { -+ if (pgd_none(*pgd_ref) && !pgd_none(*pgd)) -+ pgd_clear(pgd); -+ } else { -+ if (pgd_none(*pgd)) -+ set_pgd(pgd, *pgd_ref); -+ } -+ -+ pgd = pgd_offset_cpu(cpu, kernel, address); -+#else - list_for_each_entry(page, &pgd_list, lru) { - pgd_t *pgd; - spinlock_t *pgt_lock; -@@ -117,6 +141,7 @@ void sync_global_pgds(unsigned long start, unsigned long end, int removed) - /* the pgt_lock only for Xen */ - pgt_lock = &pgd_page_get_mm(page)->page_table_lock; - spin_lock(pgt_lock); -+#endif - - if (!pgd_none(*pgd_ref) && !pgd_none(*pgd)) - BUG_ON(pgd_page_vaddr(*pgd) -@@ -130,7 +155,10 @@ void sync_global_pgds(unsigned long start, unsigned long end, int removed) - set_pgd(pgd, *pgd_ref); - } - -+#ifndef CONFIG_PAX_PER_CPU_PGD - spin_unlock(pgt_lock); -+#endif -+ - } - spin_unlock(&pgd_lock); - } -@@ -163,7 +191,7 @@ static pud_t *fill_pud(pgd_t *pgd, unsigned long vaddr) - { - if (pgd_none(*pgd)) { - pud_t *pud = (pud_t *)spp_getpage(); -- pgd_populate(&init_mm, pgd, pud); -+ pgd_populate_kernel(&init_mm, pgd, pud); - if (pud != pud_offset(pgd, 0)) - printk(KERN_ERR "PAGETABLE BUG #00! %p <-> %p\n", - pud, pud_offset(pgd, 0)); -@@ -175,7 +203,7 @@ static pmd_t *fill_pmd(pud_t *pud, unsigned long vaddr) - { - if (pud_none(*pud)) { - pmd_t *pmd = (pmd_t *) spp_getpage(); -- pud_populate(&init_mm, pud, pmd); -+ pud_populate_kernel(&init_mm, pud, pmd); - if (pmd != pmd_offset(pud, 0)) - printk(KERN_ERR "PAGETABLE BUG #01! %p <-> %p\n", - pmd, pmd_offset(pud, 0)); -@@ -204,7 +232,9 @@ void set_pte_vaddr_pud(pud_t *pud_page, unsigned long vaddr, pte_t new_pte) - pmd = fill_pmd(pud, vaddr); - pte = fill_pte(pmd, vaddr); - -+ pax_open_kernel(); - set_pte(pte, new_pte); -+ pax_close_kernel(); - - /* - * It's enough to flush this one mapping. -@@ -266,14 +296,12 @@ static void __init __init_extra_mapping(unsigned long phys, unsigned long size, - pgd = pgd_offset_k((unsigned long)__va(phys)); - if (pgd_none(*pgd)) { - pud = (pud_t *) spp_getpage(); -- set_pgd(pgd, __pgd(__pa(pud) | _KERNPG_TABLE | -- _PAGE_USER)); -+ set_pgd(pgd, __pgd(__pa(pud) | _PAGE_TABLE)); - } - pud = pud_offset(pgd, (unsigned long)__va(phys)); - if (pud_none(*pud)) { - pmd = (pmd_t *) spp_getpage(); -- set_pud(pud, __pud(__pa(pmd) | _KERNPG_TABLE | -- _PAGE_USER)); -+ set_pud(pud, __pud(__pa(pmd) | _PAGE_TABLE)); - } - pmd = pmd_offset(pud, phys); - BUG_ON(!pmd_none(*pmd)); -@@ -543,7 +571,7 @@ phys_pud_init(pud_t *pud_page, unsigned long paddr, unsigned long paddr_end, - page_size_mask, prot); - - spin_lock(&init_mm.page_table_lock); -- pud_populate(&init_mm, pud, pmd); -+ pud_populate_kernel(&init_mm, pud, pmd); - spin_unlock(&init_mm.page_table_lock); - } - __flush_tlb_all(); -@@ -590,7 +618,7 @@ kernel_physical_mapping_init(unsigned long paddr_start, - page_size_mask); - - spin_lock(&init_mm.page_table_lock); -- pgd_populate(&init_mm, pgd, pud); -+ pgd_populate_kernel(&init_mm, pgd, pud); - spin_unlock(&init_mm.page_table_lock); - pgd_changed = true; - } -@@ -1013,7 +1041,7 @@ void __init mem_init(void) - const int rodata_test_data = 0xC3; - EXPORT_SYMBOL_GPL(rodata_test_data); - --int kernel_set_to_readonly; -+int kernel_set_to_readonly __read_only; - - void set_kernel_text_rw(void) - { -@@ -1042,8 +1070,7 @@ void set_kernel_text_ro(void) - if (!kernel_set_to_readonly) - return; - -- pr_debug("Set kernel text: %lx - %lx for read only\n", -- start, end); -+ pr_debug("Set kernel text: %lx - %lx for read only\n", start, end); - - /* - * Set the kernel identity mapping for text RO. -@@ -1054,18 +1081,23 @@ void set_kernel_text_ro(void) - void mark_rodata_ro(void) - { - unsigned long start = PFN_ALIGN(_text); -+#ifdef CONFIG_PAX_KERNEXEC -+ unsigned long addr; -+ unsigned long end = PFN_ALIGN(_sdata); -+ unsigned long text_end = end; -+#else - unsigned long rodata_start = PFN_ALIGN(__start_rodata); - unsigned long end = (unsigned long) &__end_rodata_hpage_align; - unsigned long text_end = PFN_ALIGN(&__stop___ex_table); - unsigned long rodata_end = PFN_ALIGN(&__end_rodata); -+#endif - unsigned long all_end; - -- printk(KERN_INFO "Write protecting the kernel read-only data: %luk\n", -- (end - start) >> 10); -- set_memory_ro(start, (end - start) >> PAGE_SHIFT); -- - kernel_set_to_readonly = 1; - -+ printk(KERN_INFO "Write protecting the kernel read-only data: %luk\n", (end - start) >> 10); -+ set_memory_ro(start, (end - start) >> PAGE_SHIFT); -+ - /* - * The rodata/data/bss/brk section (but not the kernel text!) - * should also be not-executable. -@@ -1091,12 +1123,54 @@ void mark_rodata_ro(void) - set_memory_ro(start, (end-start) >> PAGE_SHIFT); - #endif - -+#ifdef CONFIG_PAX_KERNEXEC -+ /* PaX: ensure that kernel code/rodata is read-only, the rest is non-executable */ -+ for (addr = __START_KERNEL_map; addr < __START_KERNEL_map + KERNEL_IMAGE_SIZE; addr += PMD_SIZE) { -+ pgd_t *pgd; -+ pud_t *pud; -+ pmd_t *pmd; -+ -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+ if (!pmd_present(*pmd)) -+ continue; -+ if (addr >= (unsigned long)_text) -+ BUG_ON(!pmd_large(*pmd)); -+ if ((unsigned long)_text <= addr && addr < (unsigned long)_sdata) -+ BUG_ON(pmd_write(*pmd)); -+// set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_RW)); -+ else -+ BUG_ON(!(pmd_flags(*pmd) & _PAGE_NX)); -+// set_pmd(pmd, __pmd(pmd_val(*pmd) | (_PAGE_NX & __supported_pte_mask))); -+ } -+ -+ addr = (unsigned long)__va(__pa(__START_KERNEL_map)); -+ end = addr + KERNEL_IMAGE_SIZE; -+ for (; addr < end; addr += PMD_SIZE) { -+ pgd_t *pgd; -+ pud_t *pud; -+ pmd_t *pmd; -+ -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+ if (!pmd_present(*pmd)) -+ continue; -+ if (addr >= (unsigned long)_text) -+ BUG_ON(!pmd_large(*pmd)); -+ if ((unsigned long)__va(__pa(_text)) <= addr && addr < (unsigned long)__va(__pa(_sdata))) -+ BUG_ON(pmd_write(*pmd)); -+// set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_RW)); -+ } -+#else - free_init_pages("unused kernel", - (unsigned long) __va(__pa_symbol(text_end)), - (unsigned long) __va(__pa_symbol(rodata_start))); - free_init_pages("unused kernel", - (unsigned long) __va(__pa_symbol(rodata_end)), - (unsigned long) __va(__pa_symbol(_sdata))); -+#endif - - debug_checkwx(); - } -diff --git a/arch/x86/mm/iomap_32.c b/arch/x86/mm/iomap_32.c -index ada98b3..c812b62 100644 ---- a/arch/x86/mm/iomap_32.c -+++ b/arch/x86/mm/iomap_32.c -@@ -65,7 +65,11 @@ void *kmap_atomic_prot_pfn(unsigned long pfn, pgprot_t prot) - type = kmap_atomic_idx_push(); - idx = type + KM_TYPE_NR * smp_processor_id(); - vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); -+ -+ pax_open_kernel(); - set_pte(kmap_pte - idx, pfn_pte(pfn, prot)); -+ pax_close_kernel(); -+ - arch_flush_lazy_mmu_mode(); - - return (void *)vaddr; -diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c -index 7aaa263..e77438f 100644 ---- a/arch/x86/mm/ioremap.c -+++ b/arch/x86/mm/ioremap.c -@@ -58,8 +58,8 @@ static int __ioremap_check_ram(unsigned long start_pfn, unsigned long nr_pages, - unsigned long i; - - for (i = 0; i < nr_pages; ++i) -- if (pfn_valid(start_pfn + i) && -- !PageReserved(pfn_to_page(start_pfn + i))) -+ if (pfn_valid(start_pfn + i) && (start_pfn + i >= 0x100 || -+ !PageReserved(pfn_to_page(start_pfn + i)))) - return 1; - - return 0; -@@ -80,7 +80,7 @@ static int __ioremap_check_ram(unsigned long start_pfn, unsigned long nr_pages, - * caller shouldn't need to know that small detail. - */ - static void __iomem *__ioremap_caller(resource_size_t phys_addr, -- unsigned long size, enum page_cache_mode pcm, void *caller) -+ resource_size_t size, enum page_cache_mode pcm, void *caller) - { - unsigned long offset, vaddr; - resource_size_t pfn, last_pfn, last_addr; -@@ -331,7 +331,7 @@ EXPORT_SYMBOL(ioremap_prot); - * - * Caller must ensure there is only one unmapping for the same pointer. - */ --void iounmap(volatile void __iomem *addr) -+void iounmap(const volatile void __iomem *addr) - { - struct vm_struct *p, *o; - -@@ -394,31 +394,37 @@ int __init arch_ioremap_pmd_supported(void) - */ - void *xlate_dev_mem_ptr(phys_addr_t phys) - { -- unsigned long start = phys & PAGE_MASK; -- unsigned long offset = phys & ~PAGE_MASK; -- void *vaddr; -+ phys_addr_t pfn = phys >> PAGE_SHIFT; - -- /* If page is RAM, we can use __va. Otherwise ioremap and unmap. */ -- if (page_is_ram(start >> PAGE_SHIFT)) -- return __va(phys); -+ if (page_is_ram(pfn)) { -+#ifdef CONFIG_HIGHMEM -+ if (pfn >= max_low_pfn) -+ return kmap_high(pfn_to_page(pfn)); -+ else -+#endif -+ return __va(phys); -+ } - -- vaddr = ioremap_cache(start, PAGE_SIZE); -- /* Only add the offset on success and return NULL if the ioremap() failed: */ -- if (vaddr) -- vaddr += offset; -- -- return vaddr; -+ return (void __force *)ioremap_cache(phys, 1); - } - - void unxlate_dev_mem_ptr(phys_addr_t phys, void *addr) - { -- if (page_is_ram(phys >> PAGE_SHIFT)) -+ phys_addr_t pfn = phys >> PAGE_SHIFT; -+ -+ if (page_is_ram(pfn)) { -+#ifdef CONFIG_HIGHMEM -+ if (pfn >= max_low_pfn) -+ kunmap_high(pfn_to_page(pfn)); -+#endif - return; -+ } - -- iounmap((void __iomem *)((unsigned long)addr & PAGE_MASK)); -+ iounmap((void __iomem __force *)addr); - } - --static pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)] __page_aligned_bss; -+static pte_t __bm_pte[PAGE_SIZE/sizeof(pte_t)] __page_aligned_rodata; -+static pte_t *bm_pte __read_only = __bm_pte; - - static inline pmd_t * __init early_ioremap_pmd(unsigned long addr) - { -@@ -454,8 +460,14 @@ void __init early_ioremap_init(void) - early_ioremap_setup(); - - pmd = early_ioremap_pmd(fix_to_virt(FIX_BTMAP_BEGIN)); -- memset(bm_pte, 0, sizeof(bm_pte)); -- pmd_populate_kernel(&init_mm, pmd, bm_pte); -+ if (pmd_none(*pmd)) -+#ifdef CONFIG_COMPAT_VDSO -+ pmd_populate_user(&init_mm, pmd, __bm_pte); -+#else -+ pmd_populate_kernel(&init_mm, pmd, __bm_pte); -+#endif -+ else -+ bm_pte = (pte_t *)pmd_page_vaddr(*pmd); - - /* - * The boot-ioremap range spans multiple pmds, for which -diff --git a/arch/x86/mm/kmemcheck/kmemcheck.c b/arch/x86/mm/kmemcheck/kmemcheck.c -index 4515bae..e162764 100644 ---- a/arch/x86/mm/kmemcheck/kmemcheck.c -+++ b/arch/x86/mm/kmemcheck/kmemcheck.c -@@ -627,9 +627,9 @@ bool kmemcheck_fault(struct pt_regs *regs, unsigned long address, - * memory (e.g. tracked pages)? For now, we need this to avoid - * invoking kmemcheck for PnP BIOS calls. - */ -- if (regs->flags & X86_VM_MASK) -+ if (v8086_mode(regs)) - return false; -- if (regs->cs != __KERNEL_CS) -+ if (regs->cs != __KERNEL_CS && regs->cs != __KERNEXEC_KERNEL_CS) - return false; - - pte = kmemcheck_pte_lookup(address); -diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c -index d2dc043..41dfc2b 100644 ---- a/arch/x86/mm/mmap.c -+++ b/arch/x86/mm/mmap.c -@@ -52,7 +52,7 @@ static unsigned long stack_maxrandom_size(void) - * Leave an at least ~128 MB hole with possible stack randomization. - */ - #define MIN_GAP (128*1024*1024UL + stack_maxrandom_size()) --#define MAX_GAP (TASK_SIZE/6*5) -+#define MAX_GAP (pax_task_size/6*5) - - static int mmap_is_legacy(void) - { -@@ -81,16 +81,31 @@ unsigned long arch_mmap_rnd(void) - return rnd << PAGE_SHIFT; - } - --static unsigned long mmap_base(unsigned long rnd) -+static unsigned long mmap_base(struct mm_struct *mm, unsigned long rnd) - { - unsigned long gap = rlimit(RLIMIT_STACK); -+ unsigned long pax_task_size = TASK_SIZE; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif - - if (gap < MIN_GAP) - gap = MIN_GAP; - else if (gap > MAX_GAP) - gap = MAX_GAP; - -- return PAGE_ALIGN(TASK_SIZE - gap - rnd); -+ return PAGE_ALIGN(pax_task_size - gap - rnd); -+} -+ -+static unsigned long mmap_legacy_base(struct mm_struct *mm, unsigned long rnd) -+{ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mmap_is_ia32() && (mm->pax_flags & MF_PAX_SEGMEXEC)) -+ return SEGMEXEC_TASK_UNMAPPED_BASE + rnd; -+#endif -+ return TASK_UNMAPPED_BASE + rnd; - } - - /* -@@ -101,18 +116,29 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - { - unsigned long random_factor = 0UL; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif - if (current->flags & PF_RANDOMIZE) - random_factor = arch_mmap_rnd(); - -- mm->mmap_legacy_base = TASK_UNMAPPED_BASE + random_factor; -+ mm->mmap_legacy_base = mmap_legacy_base(mm, random_factor); - - if (mmap_is_legacy()) { - mm->mmap_base = mm->mmap_legacy_base; - mm->get_unmapped_area = arch_get_unmapped_area; - } else { -- mm->mmap_base = mmap_base(random_factor); -+ mm->mmap_base = mmap_base(mm, random_factor); - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - } -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) { -+ mm->mmap_legacy_base += mm->delta_mmap; -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+ } -+#endif -+ - } - - const char *arch_vma_name(struct vm_area_struct *vma) -diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c -index bef3662..c5b2523 100644 ---- a/arch/x86/mm/mmio-mod.c -+++ b/arch/x86/mm/mmio-mod.c -@@ -194,7 +194,7 @@ static void pre(struct kmmio_probe *p, struct pt_regs *regs, - break; - default: - { -- unsigned char *ip = (unsigned char *)instptr; -+ unsigned char *ip = (unsigned char *)ktla_ktva(instptr); - my_trace->opcode = MMIO_UNKNOWN_OP; - my_trace->width = 0; - my_trace->value = (*ip) << 16 | *(ip + 1) << 8 | -@@ -234,7 +234,7 @@ static void post(struct kmmio_probe *p, unsigned long condition, - static void ioremap_trace_core(resource_size_t offset, unsigned long size, - void __iomem *addr) - { -- static atomic_t next_id; -+ static atomic_unchecked_t next_id; - struct remap_trace *trace = kmalloc(sizeof(*trace), GFP_KERNEL); - /* These are page-unaligned. */ - struct mmiotrace_map map = { -@@ -258,7 +258,7 @@ static void ioremap_trace_core(resource_size_t offset, unsigned long size, - .private = trace - }, - .phys = offset, -- .id = atomic_inc_return(&next_id) -+ .id = atomic_inc_return_unchecked(&next_id) - }; - map.map_id = trace->id; - -@@ -290,7 +290,7 @@ void mmiotrace_ioremap(resource_size_t offset, unsigned long size, - ioremap_trace_core(offset, size, addr); - } - --static void iounmap_trace_core(volatile void __iomem *addr) -+static void iounmap_trace_core(const volatile void __iomem *addr) - { - struct mmiotrace_map map = { - .phys = 0, -@@ -328,7 +328,7 @@ static void iounmap_trace_core(volatile void __iomem *addr) - } - } - --void mmiotrace_iounmap(volatile void __iomem *addr) -+void mmiotrace_iounmap(const volatile void __iomem *addr) - { - might_sleep(); - if (is_enabled()) /* recheck and proper locking in *_core() */ -diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c -index e4f8009..ab2ba5d 100644 ---- a/arch/x86/mm/mpx.c -+++ b/arch/x86/mm/mpx.c -@@ -193,7 +193,7 @@ static int mpx_insn_decode(struct insn *insn, - */ - if (!nr_copied) - return -EFAULT; -- insn_init(insn, buf, nr_copied, x86_64); -+ insn_init(insn, (void *)ktva_ktla((unsigned long)buf), nr_copied, x86_64); - insn_get_length(insn); - /* - * copy_from_user() tries to get as many bytes as we could see in -@@ -293,11 +293,11 @@ siginfo_t *mpx_generate_siginfo(struct pt_regs *regs) - * We were not able to extract an address from the instruction, - * probably because there was something invalid in it. - */ -- if (info->si_addr == (void *)-1) { -+ if (info->si_addr == (void __user *)-1) { - err = -EINVAL; - goto err_out; - } -- trace_mpx_bounds_register_exception(info->si_addr, bndreg); -+ trace_mpx_bounds_register_exception((void __force_kernel *)info->si_addr, bndreg); - return info; - err_out: - /* info might be NULL, but kfree() handles that */ -diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c -index 3f35b48..a825b33 100644 ---- a/arch/x86/mm/numa.c -+++ b/arch/x86/mm/numa.c -@@ -528,7 +528,7 @@ static void __init numa_clear_kernel_node_hotplug(void) - } - } - --static int __init numa_register_memblks(struct numa_meminfo *mi) -+static int __init __intentional_overflow(-1) numa_register_memblks(struct numa_meminfo *mi) - { - unsigned long uninitialized_var(pfn_align); - int i, nid; -diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c -index e3353c9..2a8fbe5 100644 ---- a/arch/x86/mm/pageattr.c -+++ b/arch/x86/mm/pageattr.c -@@ -265,7 +265,7 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address, - */ - #ifdef CONFIG_PCI_BIOS - if (pcibios_enabled && within(pfn, BIOS_BEGIN >> PAGE_SHIFT, BIOS_END >> PAGE_SHIFT)) -- pgprot_val(forbidden) |= _PAGE_NX; -+ pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask; - #endif - - /* -@@ -273,14 +273,14 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address, - * Does not cover __inittext since that is gone later on. On - * 64bit we do not enforce !NX on the low mapping - */ -- if (within(address, (unsigned long)_text, (unsigned long)_etext)) -- pgprot_val(forbidden) |= _PAGE_NX; -+ if (within(address, ktla_ktva((unsigned long)_text), ktla_ktva((unsigned long)_etext))) -+ pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask; - - /* - * The .rodata section needs to be read-only. Using the pfn - * catches all aliases. - */ -- if (within(pfn, __pa_symbol(__start_rodata) >> PAGE_SHIFT, -+ if (kernel_set_to_readonly && within(pfn, __pa_symbol(__start_rodata) >> PAGE_SHIFT, - __pa_symbol(__end_rodata) >> PAGE_SHIFT)) - pgprot_val(forbidden) |= _PAGE_RW; - -@@ -321,6 +321,13 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address, - } - #endif - -+#ifdef CONFIG_PAX_KERNEXEC -+ if (within(pfn, __pa(ktla_ktva((unsigned long)&_text)) >> PAGE_SHIFT, __pa((unsigned long)&_sdata) >> PAGE_SHIFT)) { -+ pgprot_val(forbidden) |= _PAGE_RW; -+ pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask; -+ } -+#endif -+ - prot = __pgprot(pgprot_val(prot) & ~pgprot_val(forbidden)); - - return prot; -@@ -457,23 +464,37 @@ EXPORT_SYMBOL_GPL(slow_virt_to_phys); - static void __set_pmd_pte(pte_t *kpte, unsigned long address, pte_t pte) - { - /* change init_mm */ -+ pax_open_kernel(); - set_pte_atomic(kpte, pte); -+ - #ifdef CONFIG_X86_32 - if (!SHARED_KERNEL_PMD) { -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ unsigned long cpu; -+#else - struct page *page; -+#endif - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ for (cpu = 0; cpu < nr_cpu_ids; ++cpu) { -+ pgd_t *pgd = get_cpu_pgd(cpu, kernel); -+#else - list_for_each_entry(page, &pgd_list, lru) { -- pgd_t *pgd; -+ pgd_t *pgd = (pgd_t *)page_address(page); -+#endif -+ - pud_t *pud; - pmd_t *pmd; - -- pgd = (pgd_t *)page_address(page) + pgd_index(address); -+ pgd += pgd_index(address); - pud = pud_offset(pgd, address); - pmd = pmd_offset(pud, address); - set_pte_atomic((pte_t *)pmd, pte); - } - } - #endif -+ pax_close_kernel(); - } - - static int -@@ -711,6 +732,8 @@ __split_large_page(struct cpa_data *cpa, pte_t *kpte, unsigned long address, - } - - static int split_large_page(struct cpa_data *cpa, pte_t *kpte, -+ unsigned long address) __must_hold(&cpa_lock); -+static int split_large_page(struct cpa_data *cpa, pte_t *kpte, - unsigned long address) - { - struct page *base; -@@ -1153,6 +1176,7 @@ static int __cpa_process_fault(struct cpa_data *cpa, unsigned long vaddr, - } - } - -+static int __change_page_attr(struct cpa_data *cpa, int primary) __must_hold(&cpa_lock); - static int __change_page_attr(struct cpa_data *cpa, int primary) - { - unsigned long address; -@@ -1211,7 +1235,9 @@ static int __change_page_attr(struct cpa_data *cpa, int primary) - * Do we really change anything ? - */ - if (pte_val(old_pte) != pte_val(new_pte)) { -+ pax_open_kernel(); - set_pte_atomic(kpte, new_pte); -+ pax_close_kernel(); - cpa->flags |= CPA_FLUSHTLB; - } - cpa->numpages = 1; -diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c -index 83e701f..a70d92e 100644 ---- a/arch/x86/mm/pat.c -+++ b/arch/x86/mm/pat.c -@@ -632,7 +632,7 @@ int free_memtype(u64 start, u64 end) - - if (IS_ERR(entry)) { - pr_info("x86/PAT: %s:%d freeing invalid memtype [mem %#010Lx-%#010Lx]\n", -- current->comm, current->pid, start, end - 1); -+ current->comm, task_pid_nr(current), start, end - 1); - return -EINVAL; - } - -@@ -818,7 +818,7 @@ int kernel_map_sync_memtype(u64 base, unsigned long size, - - if (ioremap_change_attr((unsigned long)__va(base), id_sz, pcm) < 0) { - pr_info("x86/PAT: %s:%d ioremap_change_attr failed %s for [mem %#010Lx-%#010Lx]\n", -- current->comm, current->pid, -+ current->comm, task_pid_nr(current), - cattr_name(pcm), - base, (unsigned long long)(base + size-1)); - return -EINVAL; -@@ -853,7 +853,7 @@ static int reserve_pfn_range(u64 paddr, unsigned long size, pgprot_t *vma_prot, - pcm = lookup_memtype(paddr); - if (want_pcm != pcm) { - pr_warn("x86/PAT: %s:%d map pfn RAM range req %s for [mem %#010Lx-%#010Lx], got %s\n", -- current->comm, current->pid, -+ current->comm, task_pid_nr(current), - cattr_name(want_pcm), - (unsigned long long)paddr, - (unsigned long long)(paddr + size - 1), -@@ -874,7 +874,7 @@ static int reserve_pfn_range(u64 paddr, unsigned long size, pgprot_t *vma_prot, - !is_new_memtype_allowed(paddr, size, want_pcm, pcm)) { - free_memtype(paddr, paddr + size); - pr_err("x86/PAT: %s:%d map pfn expected mapping type %s for [mem %#010Lx-%#010Lx], got %s\n", -- current->comm, current->pid, -+ current->comm, task_pid_nr(current), - cattr_name(want_pcm), - (unsigned long long)paddr, - (unsigned long long)(paddr + size - 1), -diff --git a/arch/x86/mm/pat_rbtree.c b/arch/x86/mm/pat_rbtree.c -index 159b52c..2b68583 100644 ---- a/arch/x86/mm/pat_rbtree.c -+++ b/arch/x86/mm/pat_rbtree.c -@@ -170,7 +170,7 @@ static int memtype_rb_check_conflict(struct rb_root *root, - - failure: - pr_info("x86/PAT: %s:%d conflicting memory types %Lx-%Lx %s<->%s\n", -- current->comm, current->pid, start, end, -+ current->comm, task_pid_nr(current), start, end, - cattr_name(found_type), cattr_name(match->type)); - return -EBUSY; - } -diff --git a/arch/x86/mm/pf_in.c b/arch/x86/mm/pf_in.c -index a235869..3aa7bdd 100644 ---- a/arch/x86/mm/pf_in.c -+++ b/arch/x86/mm/pf_in.c -@@ -147,7 +147,7 @@ enum reason_type get_ins_type(unsigned long ins_addr) - int i; - enum reason_type rv = OTHERS; - -- p = (unsigned char *)ins_addr; -+ p = (unsigned char *)ktla_ktva(ins_addr); - p += skip_prefix(p, &prf); - p += get_opcode(p, &opcode); - -@@ -167,7 +167,7 @@ static unsigned int get_ins_reg_width(unsigned long ins_addr) - struct prefix_bits prf; - int i; - -- p = (unsigned char *)ins_addr; -+ p = (unsigned char *)ktla_ktva(ins_addr); - p += skip_prefix(p, &prf); - p += get_opcode(p, &opcode); - -@@ -190,7 +190,7 @@ unsigned int get_ins_mem_width(unsigned long ins_addr) - struct prefix_bits prf; - int i; - -- p = (unsigned char *)ins_addr; -+ p = (unsigned char *)ktla_ktva(ins_addr); - p += skip_prefix(p, &prf); - p += get_opcode(p, &opcode); - -@@ -414,7 +414,7 @@ unsigned long get_ins_reg_val(unsigned long ins_addr, struct pt_regs *regs) - struct prefix_bits prf; - int i; - -- p = (unsigned char *)ins_addr; -+ p = (unsigned char *)ktla_ktva(ins_addr); - p += skip_prefix(p, &prf); - p += get_opcode(p, &opcode); - for (i = 0; i < ARRAY_SIZE(reg_rop); i++) -@@ -469,7 +469,7 @@ unsigned long get_ins_imm_val(unsigned long ins_addr) - struct prefix_bits prf; - int i; - -- p = (unsigned char *)ins_addr; -+ p = (unsigned char *)ktla_ktva(ins_addr); - p += skip_prefix(p, &prf); - p += get_opcode(p, &opcode); - for (i = 0; i < ARRAY_SIZE(imm_wop); i++) -diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c -index 3feec5a..0f77f72 100644 ---- a/arch/x86/mm/pgtable.c -+++ b/arch/x86/mm/pgtable.c -@@ -98,10 +98,75 @@ static inline void pgd_list_del(pgd_t *pgd) - list_del(&page->lru); - } - --#define UNSHARED_PTRS_PER_PGD \ -- (SHARED_KERNEL_PMD ? KERNEL_PGD_BOUNDARY : PTRS_PER_PGD) -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+pgdval_t clone_pgd_mask __read_only = ~_PAGE_PRESENT; - -+void __shadow_user_pgds(pgd_t *dst, const pgd_t *src) -+{ -+ unsigned int count = USER_PGD_PTRS; - -+ if (!pax_user_shadow_base) -+ return; -+ -+ while (count--) -+ *dst++ = __pgd((pgd_val(*src++) | (_PAGE_NX & __supported_pte_mask)) & ~_PAGE_USER); -+} -+#endif -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+void __clone_user_pgds(pgd_t *dst, const pgd_t *src) -+{ -+ unsigned int count = USER_PGD_PTRS; -+ -+ while (count--) { -+ pgd_t pgd; -+ -+#ifdef CONFIG_X86_64 -+ pgd = __pgd(pgd_val(*src++) | _PAGE_USER); -+#else -+ pgd = *src++; -+#endif -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ pgd = __pgd(pgd_val(pgd) & clone_pgd_mask); -+#endif -+ -+ *dst++ = pgd; -+ } -+ -+} -+#endif -+ -+#ifdef CONFIG_X86_64 -+#define pxd_t pud_t -+#define pyd_t pgd_t -+#define paravirt_release_pxd(pfn) paravirt_release_pud(pfn) -+#define pgtable_pxd_page_ctor(page) true -+#define pgtable_pxd_page_dtor(page) do {} while (0) -+#define pxd_free(mm, pud) pud_free((mm), (pud)) -+#define pyd_populate(mm, pgd, pud) pgd_populate((mm), (pgd), (pud)) -+#define pyd_offset(mm, address) pgd_offset((mm), (address)) -+#define PYD_SIZE PGDIR_SIZE -+#define mm_inc_nr_pxds(mm) do {} while (0) -+#define mm_dec_nr_pxds(mm) do {} while (0) -+#else -+#define pxd_t pmd_t -+#define pyd_t pud_t -+#define paravirt_release_pxd(pfn) paravirt_release_pmd(pfn) -+#define pgtable_pxd_page_ctor(page) pgtable_pmd_page_ctor(page) -+#define pgtable_pxd_page_dtor(page) pgtable_pmd_page_dtor(page) -+#define pxd_free(mm, pud) pmd_free((mm), (pud)) -+#define pyd_populate(mm, pgd, pud) pud_populate((mm), (pgd), (pud)) -+#define pyd_offset(mm, address) pud_offset((mm), (address)) -+#define PYD_SIZE PUD_SIZE -+#define mm_inc_nr_pxds(mm) mm_inc_nr_pmds(mm) -+#define mm_dec_nr_pxds(mm) mm_dec_nr_pmds(mm) -+#endif -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+static inline void pgd_ctor(struct mm_struct *mm, pgd_t *pgd) {} -+static inline void pgd_dtor(pgd_t *pgd) {} -+#else - static void pgd_set_mm(pgd_t *pgd, struct mm_struct *mm) - { - BUILD_BUG_ON(sizeof(virt_to_page(pgd)->index) < sizeof(mm)); -@@ -142,6 +207,7 @@ static void pgd_dtor(pgd_t *pgd) - pgd_list_del(pgd); - spin_unlock(&pgd_lock); - } -+#endif - - /* - * List of all pgd's needed for non-PAE so it can invalidate entries -@@ -154,7 +220,7 @@ static void pgd_dtor(pgd_t *pgd) - * -- nyc - */ - --#ifdef CONFIG_X86_PAE -+#if defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE) - /* - * In PAE mode, we need to do a cr3 reload (=tlb flush) when - * updating the top-level pagetable entries to guarantee the -@@ -166,7 +232,7 @@ static void pgd_dtor(pgd_t *pgd) - * not shared between pagetables (!SHARED_KERNEL_PMDS), we allocate - * and initialize the kernel pmds here. - */ --#define PREALLOCATED_PMDS UNSHARED_PTRS_PER_PGD -+#define PREALLOCATED_PXDS (SHARED_KERNEL_PMD ? KERNEL_PGD_BOUNDARY : PTRS_PER_PGD) - - void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd) - { -@@ -184,26 +250,28 @@ void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd) - */ - flush_tlb_mm(mm); - } -+#elif defined(CONFIG_X86_64) && defined(CONFIG_PAX_PER_CPU_PGD) -+#define PREALLOCATED_PXDS USER_PGD_PTRS - #else /* !CONFIG_X86_PAE */ - - /* No need to prepopulate any pagetable entries in non-PAE modes. */ --#define PREALLOCATED_PMDS 0 -+#define PREALLOCATED_PXDS 0 - - #endif /* CONFIG_X86_PAE */ - --static void free_pmds(struct mm_struct *mm, pmd_t *pmds[]) -+static void free_pxds(struct mm_struct *mm, pxd_t *pxds[]) - { - int i; - -- for(i = 0; i < PREALLOCATED_PMDS; i++) -- if (pmds[i]) { -- pgtable_pmd_page_dtor(virt_to_page(pmds[i])); -- free_page((unsigned long)pmds[i]); -- mm_dec_nr_pmds(mm); -+ for(i = 0; i < PREALLOCATED_PXDS; i++) -+ if (pxds[i]) { -+ pgtable_pxd_page_dtor(virt_to_page(pxds[i])); -+ free_page((unsigned long)pxds[i]); -+ mm_dec_nr_pxds(mm); - } - } - --static int preallocate_pmds(struct mm_struct *mm, pmd_t *pmds[]) -+static int preallocate_pxds(struct mm_struct *mm, pxd_t *pxds[]) - { - int i; - bool failed = false; -@@ -212,22 +280,22 @@ static int preallocate_pmds(struct mm_struct *mm, pmd_t *pmds[]) - if (mm == &init_mm) - gfp &= ~__GFP_ACCOUNT; - -- for(i = 0; i < PREALLOCATED_PMDS; i++) { -- pmd_t *pmd = (pmd_t *)__get_free_page(gfp); -- if (!pmd) -+ for(i = 0; i < PREALLOCATED_PXDS; i++) { -+ pxd_t *pxd = (pxd_t *)__get_free_page(gfp); -+ if (!pxd) - failed = true; -- if (pmd && !pgtable_pmd_page_ctor(virt_to_page(pmd))) { -- free_page((unsigned long)pmd); -- pmd = NULL; -+ if (pxd && !pgtable_pxd_page_ctor(virt_to_page(pxd))) { -+ free_page((unsigned long)pxd); -+ pxd = NULL; - failed = true; - } -- if (pmd) -- mm_inc_nr_pmds(mm); -- pmds[i] = pmd; -+ if (pxd) -+ mm_inc_nr_pxds(mm); -+ pxds[i] = pxd; - } - - if (failed) { -- free_pmds(mm, pmds); -+ free_pxds(mm, pxds); - return -ENOMEM; - } - -@@ -240,43 +308,47 @@ static int preallocate_pmds(struct mm_struct *mm, pmd_t *pmds[]) - * preallocate which never got a corresponding vma will need to be - * freed manually. - */ --static void pgd_mop_up_pmds(struct mm_struct *mm, pgd_t *pgdp) -+static void pgd_mop_up_pxds(struct mm_struct *mm, pgd_t *pgdp) - { - int i; - -- for(i = 0; i < PREALLOCATED_PMDS; i++) { -+ for(i = 0; i < PREALLOCATED_PXDS; i++) { - pgd_t pgd = pgdp[i]; - - if (pgd_val(pgd) != 0) { -- pmd_t *pmd = (pmd_t *)pgd_page_vaddr(pgd); -+ pxd_t *pxd = (pxd_t *)pgd_page_vaddr(pgd); - -- pgdp[i] = native_make_pgd(0); -+ set_pgd(pgdp + i, native_make_pgd(0)); - -- paravirt_release_pmd(pgd_val(pgd) >> PAGE_SHIFT); -- pmd_free(mm, pmd); -- mm_dec_nr_pmds(mm); -+ paravirt_release_pxd(pgd_val(pgd) >> PAGE_SHIFT); -+ pxd_free(mm, pxd); -+ mm_dec_nr_pxds(mm); - } - } - } - --static void pgd_prepopulate_pmd(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmds[]) -+static void pgd_prepopulate_pxd(struct mm_struct *mm, pgd_t *pgd, pxd_t *pxds[]) - { -- pud_t *pud; -+ pyd_t *pyd; - int i; - -- if (PREALLOCATED_PMDS == 0) /* Work around gcc-3.4.x bug */ -+ if (PREALLOCATED_PXDS == 0) /* Work around gcc-3.4.x bug */ - return; - -- pud = pud_offset(pgd, 0); -+#ifdef CONFIG_X86_64 -+ pyd = pyd_offset(mm, 0L); -+#else -+ pyd = pyd_offset(pgd, 0L); -+#endif - -- for (i = 0; i < PREALLOCATED_PMDS; i++, pud++) { -- pmd_t *pmd = pmds[i]; -+ for (i = 0; i < PREALLOCATED_PXDS; i++, pyd++) { -+ pxd_t *pxd = pxds[i]; - - if (i >= KERNEL_PGD_BOUNDARY) -- memcpy(pmd, (pmd_t *)pgd_page_vaddr(swapper_pg_dir[i]), -- sizeof(pmd_t) * PTRS_PER_PMD); -+ memcpy(pxd, (pxd_t *)pgd_page_vaddr(swapper_pg_dir[i]), -+ sizeof(pxd_t) * PTRS_PER_PMD); - -- pud_populate(mm, pud, pmd); -+ pyd_populate(mm, pyd, pxd); - } - } - -@@ -358,7 +430,7 @@ static inline void _pgd_free(pgd_t *pgd) - pgd_t *pgd_alloc(struct mm_struct *mm) - { - pgd_t *pgd; -- pmd_t *pmds[PREALLOCATED_PMDS]; -+ pxd_t *pxds[PREALLOCATED_PXDS]; - - pgd = _pgd_alloc(); - -@@ -367,11 +439,11 @@ pgd_t *pgd_alloc(struct mm_struct *mm) - - mm->pgd = pgd; - -- if (preallocate_pmds(mm, pmds) != 0) -+ if (preallocate_pxds(mm, pxds) != 0) - goto out_free_pgd; - - if (paravirt_pgd_alloc(mm) != 0) -- goto out_free_pmds; -+ goto out_free_pxds; - - /* - * Make sure that pre-populating the pmds is atomic with -@@ -381,14 +453,14 @@ pgd_t *pgd_alloc(struct mm_struct *mm) - spin_lock(&pgd_lock); - - pgd_ctor(mm, pgd); -- pgd_prepopulate_pmd(mm, pgd, pmds); -+ pgd_prepopulate_pxd(mm, pgd, pxds); - - spin_unlock(&pgd_lock); - - return pgd; - --out_free_pmds: -- free_pmds(mm, pmds); -+out_free_pxds: -+ free_pxds(mm, pxds); - out_free_pgd: - _pgd_free(pgd); - out: -@@ -397,7 +469,7 @@ pgd_t *pgd_alloc(struct mm_struct *mm) - - void pgd_free(struct mm_struct *mm, pgd_t *pgd) - { -- pgd_mop_up_pmds(mm, pgd); -+ pgd_mop_up_pxds(mm, pgd); - pgd_dtor(pgd); - paravirt_pgd_free(mm, pgd); - _pgd_free(pgd); -@@ -530,6 +602,50 @@ void __init reserve_top_address(unsigned long reserve) - - int fixmaps_set; - -+static void fix_user_fixmap(enum fixed_addresses idx, unsigned long address) -+{ -+#ifdef CONFIG_X86_64 -+ pgd_t *pgd; -+ pud_t *pud; -+ pmd_t *pmd; -+ -+ switch (idx) { -+ default: -+ return; -+ -+#ifdef CONFIG_X86_VSYSCALL_EMULATION -+ case VSYSCALL_PAGE: -+ break; -+#endif -+ } -+ -+ pgd = pgd_offset_k(address); -+ if (!(pgd_val(*pgd) & _PAGE_USER)) { -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ unsigned int cpu; -+ pgd_t *pgd_cpu; -+ -+ for_each_possible_cpu(cpu) { -+ pgd_cpu = pgd_offset_cpu(cpu, kernel, address); -+ set_pgd(pgd_cpu, __pgd(pgd_val(*pgd_cpu) | _PAGE_USER)); -+ -+ pgd_cpu = pgd_offset_cpu(cpu, user, address); -+ set_pgd(pgd_cpu, __pgd(pgd_val(*pgd_cpu) | _PAGE_USER)); -+ } -+#endif -+ set_pgd(pgd, __pgd(pgd_val(*pgd) | _PAGE_USER)); -+ } -+ -+ pud = pud_offset(pgd, address); -+ if (!(pud_val(*pud) & _PAGE_USER)) -+ set_pud(pud, __pud(pud_val(*pud) | _PAGE_USER)); -+ -+ pmd = pmd_offset(pud, address); -+ if (!(pmd_val(*pmd) & _PAGE_USER)) -+ set_pmd(pmd, __pmd(pmd_val(*pmd) | _PAGE_USER)); -+#endif -+} -+ - void __native_set_fixmap(enum fixed_addresses idx, pte_t pte) - { - unsigned long address = __fix_to_virt(idx); -@@ -540,9 +656,10 @@ void __native_set_fixmap(enum fixed_addresses idx, pte_t pte) - } - set_pte_vaddr(address, pte); - fixmaps_set++; -+ fix_user_fixmap(idx, address); - } - --void native_set_fixmap(enum fixed_addresses idx, phys_addr_t phys, -+void native_set_fixmap(unsigned int idx, phys_addr_t phys, - pgprot_t flags) - { - __native_set_fixmap(idx, pfn_pte(phys >> PAGE_SHIFT, flags)); -@@ -606,9 +723,11 @@ int pmd_set_huge(pmd_t *pmd, phys_addr_t addr, pgprot_t prot) - - prot = pgprot_4k_2_large(prot); - -+ pax_open_kernel(); - set_pte((pte_t *)pmd, pfn_pte( - (u64)addr >> PAGE_SHIFT, - __pgprot(pgprot_val(prot) | _PAGE_PSE))); -+ pax_close_kernel(); - - return 1; - } -diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c -index 9adce77..b698e8be 100644 ---- a/arch/x86/mm/pgtable_32.c -+++ b/arch/x86/mm/pgtable_32.c -@@ -46,10 +46,13 @@ void set_pte_vaddr(unsigned long vaddr, pte_t pteval) - return; - } - pte = pte_offset_kernel(pmd, vaddr); -+ -+ pax_open_kernel(); - if (!pte_none(pteval)) - set_pte_at(&init_mm, vaddr, pte, pteval); - else - pte_clear(&init_mm, vaddr, pte); -+ pax_close_kernel(); - - /* - * It's enough to flush this one mapping. -diff --git a/arch/x86/mm/setup_nx.c b/arch/x86/mm/setup_nx.c -index f65a33f..f408a99 100644 ---- a/arch/x86/mm/setup_nx.c -+++ b/arch/x86/mm/setup_nx.c -@@ -6,8 +6,10 @@ - #include - #include - -+#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) - static int disable_nx; - -+#ifndef CONFIG_PAX_PAGEEXEC - /* - * noexec = on|off - * -@@ -29,12 +31,17 @@ static int __init noexec_setup(char *str) - return 0; - } - early_param("noexec", noexec_setup); -+#endif -+ -+#endif - - void x86_configure_nx(void) - { -+#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) - if (boot_cpu_has(X86_FEATURE_NX) && !disable_nx) - __supported_pte_mask |= _PAGE_NX; - else -+#endif - __supported_pte_mask &= ~_PAGE_NX; - } - -diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c -index a7655f6..0cab8dd 100644 ---- a/arch/x86/mm/tlb.c -+++ b/arch/x86/mm/tlb.c -@@ -47,7 +47,11 @@ void leave_mm(int cpu) - BUG(); - if (cpumask_test_cpu(cpu, mm_cpumask(active_mm))) { - cpumask_clear_cpu(cpu, mm_cpumask(active_mm)); -+ -+#ifndef CONFIG_PAX_PER_CPU_PGD - load_cr3(swapper_pg_dir); -+#endif -+ - /* - * This gets called in the idle path where RCU - * functions differently. Tracing normally -@@ -61,6 +65,47 @@ EXPORT_SYMBOL_GPL(leave_mm); - - #endif /* CONFIG_SMP */ - -+static void pax_switch_mm(struct mm_struct *next, unsigned int cpu) -+{ -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ pax_open_kernel(); -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (static_cpu_has(X86_FEATURE_PCIDUDEREF)) -+ __clone_user_pgds(get_cpu_pgd(cpu, user), next->pgd); -+ else -+#endif -+ -+ __clone_user_pgds(get_cpu_pgd(cpu, kernel), next->pgd); -+ -+ __shadow_user_pgds(get_cpu_pgd(cpu, kernel) + USER_PGD_PTRS, next->pgd); -+ -+ pax_close_kernel(); -+ -+ BUG_ON((__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL) != (read_cr3() & __PHYSICAL_MASK) && (__pa(get_cpu_pgd(cpu, user)) | PCID_USER) != (read_cr3() & __PHYSICAL_MASK)); -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (static_cpu_has(X86_FEATURE_PCIDUDEREF)) { -+ if (static_cpu_has(X86_FEATURE_INVPCID)) { -+ invpcid_flush_single_context(PCID_USER); -+ if (!static_cpu_has(X86_FEATURE_STRONGUDEREF)) -+ invpcid_flush_single_context(PCID_KERNEL); -+ } else { -+ write_cr3(__pa(get_cpu_pgd(cpu, user)) | PCID_USER); -+ if (static_cpu_has(X86_FEATURE_STRONGUDEREF)) -+ write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL | PCID_NOFLUSH); -+ else -+ write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL); -+ } -+ } else -+#endif -+ -+ load_cr3(get_cpu_pgd(cpu, kernel)); -+#endif -+ -+} -+ - void switch_mm(struct mm_struct *prev, struct mm_struct *next, - struct task_struct *tsk) - { -@@ -75,6 +120,9 @@ void switch_mm_irqs_off(struct mm_struct *prev, struct mm_struct *next, - struct task_struct *tsk) - { - unsigned cpu = smp_processor_id(); -+#if defined(CONFIG_X86_32) && defined(CONFIG_SMP) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)) -+ int tlbstate = TLBSTATE_OK; -+#endif - - if (likely(prev != next)) { - if (IS_ENABLED(CONFIG_VMAP_STACK)) { -@@ -89,9 +137,14 @@ void switch_mm_irqs_off(struct mm_struct *prev, struct mm_struct *next, - - if (unlikely(pgd_none(*pgd))) - set_pgd(pgd, init_mm.pgd[stack_pgd_index]); -+ else -+ BUG_ON(pgd->pgd != init_mm.pgd[stack_pgd_index].pgd); - } - - #ifdef CONFIG_SMP -+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)) -+ tlbstate = this_cpu_read(cpu_tlbstate.state); -+#endif - this_cpu_write(cpu_tlbstate.state, TLBSTATE_OK); - this_cpu_write(cpu_tlbstate.active_mm, next); - #endif -@@ -111,7 +164,7 @@ void switch_mm_irqs_off(struct mm_struct *prev, struct mm_struct *next, - * We need to prevent an outcome in which CPU 1 observes - * the new PTE value and CPU 0 observes bit 1 clear in - * mm_cpumask. (If that occurs, then the IPI will never -- * be sent, and CPU 0's TLB will contain a stale entry.) -+ * be sent, and CPU 1's TLB will contain a stale entry.) - * - * The bad outcome can occur if either CPU's load is - * reordered before that CPU's store, so both CPUs must -@@ -126,7 +179,11 @@ void switch_mm_irqs_off(struct mm_struct *prev, struct mm_struct *next, - * ordering guarantee we need. - * - */ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ pax_switch_mm(next, cpu); -+#else - load_cr3(next->pgd); -+#endif - - trace_tlb_flush(TLB_FLUSH_ON_TASK_SWITCH, TLB_FLUSH_ALL); - -@@ -152,9 +209,31 @@ void switch_mm_irqs_off(struct mm_struct *prev, struct mm_struct *next, - if (unlikely(prev->context.ldt != next->context.ldt)) - load_mm_ldt(next); - #endif -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP) -+ if (!(__supported_pte_mask & _PAGE_NX)) { -+ smp_mb__before_atomic(); -+ cpumask_clear_cpu(cpu, &prev->context.cpu_user_cs_mask); -+ smp_mb__after_atomic(); -+ cpumask_set_cpu(cpu, &next->context.cpu_user_cs_mask); -+ } -+#endif -+ -+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)) -+ if (unlikely(prev->context.user_cs_base != next->context.user_cs_base || -+ prev->context.user_cs_limit != next->context.user_cs_limit)) -+ set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu); -+#ifdef CONFIG_SMP -+ else if (unlikely(tlbstate != TLBSTATE_OK)) -+ set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu); -+#endif -+#endif -+ - } -+ else { -+ pax_switch_mm(next, cpu); -+ - #ifdef CONFIG_SMP -- else { - this_cpu_write(cpu_tlbstate.state, TLBSTATE_OK); - BUG_ON(this_cpu_read(cpu_tlbstate.active_mm) != next); - -@@ -175,13 +254,30 @@ void switch_mm_irqs_off(struct mm_struct *prev, struct mm_struct *next, - * As above, load_cr3() is serializing and orders TLB - * fills with respect to the mm_cpumask write. - */ -+ -+#ifndef CONFIG_PAX_PER_CPU_PGD - load_cr3(next->pgd); - trace_tlb_flush(TLB_FLUSH_ON_TASK_SWITCH, TLB_FLUSH_ALL); -+#endif -+ - load_mm_cr4(next); - load_mm_ldt(next); -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) -+ if (!(__supported_pte_mask & _PAGE_NX)) -+ cpumask_set_cpu(cpu, &next->context.cpu_user_cs_mask); -+#endif -+ -+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)) -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!((next->pax_flags & MF_PAX_PAGEEXEC) && (__supported_pte_mask & _PAGE_NX))) -+#endif -+ set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu); -+#endif -+ - } -+#endif - } --#endif - } - - #ifdef CONFIG_SMP -diff --git a/arch/x86/mm/uderef_64.c b/arch/x86/mm/uderef_64.c -new file mode 100644 -index 0000000..cc849dd ---- /dev/null -+++ b/arch/x86/mm/uderef_64.c -@@ -0,0 +1,38 @@ -+#include -+#include -+#include -+#include -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+/* PaX: due to the special call convention these functions must -+ * - remain leaf functions under all configurations, -+ * - never be called directly, only dereferenced from the wrappers. -+ */ -+void __used __pax_open_userland(void) -+{ -+ unsigned int cpu; -+ -+ if (unlikely(!segment_eq(get_fs(), USER_DS))) -+ return; -+ -+ cpu = raw_get_cpu(); -+ BUG_ON((read_cr3() & ~PAGE_MASK) != PCID_KERNEL); -+ write_cr3(__pa_nodebug(get_cpu_pgd(cpu, user)) | PCID_USER | PCID_NOFLUSH); -+ raw_put_cpu_no_resched(); -+} -+EXPORT_SYMBOL(__pax_open_userland); -+ -+void __used __pax_close_userland(void) -+{ -+ unsigned int cpu; -+ -+ if (unlikely(!segment_eq(get_fs(), USER_DS))) -+ return; -+ -+ cpu = raw_get_cpu(); -+ BUG_ON((read_cr3() & ~PAGE_MASK) != PCID_USER); -+ write_cr3(__pa_nodebug(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL | PCID_NOFLUSH); -+ raw_put_cpu_no_resched(); -+} -+EXPORT_SYMBOL(__pax_close_userland); -+#endif -diff --git a/arch/x86/net/bpf_jit.S b/arch/x86/net/bpf_jit.S -index f2a7faf..4cedb98 100644 ---- a/arch/x86/net/bpf_jit.S -+++ b/arch/x86/net/bpf_jit.S -@@ -9,6 +9,7 @@ - */ - #include - #include -+#include - - /* - * Calling convention : -@@ -39,7 +40,7 @@ FUNC(sk_load_word_positive_offset) - jle bpf_slow_path_word - mov (SKBDATA,%rsi),%eax - bswap %eax /* ntohl() */ -- ret -+ pax_ret __bpf_call_base - - FUNC(sk_load_half) - test %esi,%esi -@@ -52,7 +53,7 @@ FUNC(sk_load_half_positive_offset) - jle bpf_slow_path_half - movzwl (SKBDATA,%rsi),%eax - rol $8,%ax # ntohs() -- ret -+ pax_ret __bpf_call_base - - FUNC(sk_load_byte) - test %esi,%esi -@@ -62,7 +63,7 @@ FUNC(sk_load_byte_positive_offset) - cmp %esi,%r9d /* if (offset >= hlen) goto bpf_slow_path_byte */ - jle bpf_slow_path_byte - movzbl (SKBDATA,%rsi),%eax -- ret -+ pax_ret __bpf_call_base - - /* rsi contains offset and can be scratched */ - #define bpf_slow_path_common(LEN) \ -@@ -73,7 +74,7 @@ FUNC(sk_load_byte_positive_offset) - push SKBDATA; \ - /* rsi already has offset */ \ - mov $LEN,%ecx; /* len */ \ -- call skb_copy_bits; \ -+ pax_direct_call skb_copy_bits; \ - test %eax,%eax; \ - pop SKBDATA; \ - pop %r9; \ -@@ -85,7 +86,7 @@ bpf_slow_path_word: - js bpf_error - mov - MAX_BPF_STACK + 32(%rbp),%eax - bswap %eax -- ret -+ pax_ret __bpf_call_base - - bpf_slow_path_half: - bpf_slow_path_common(2) -@@ -93,13 +94,13 @@ bpf_slow_path_half: - mov - MAX_BPF_STACK + 32(%rbp),%ax - rol $8,%ax - movzwl %ax,%eax -- ret -+ pax_ret __bpf_call_base - - bpf_slow_path_byte: - bpf_slow_path_common(1) - js bpf_error - movzbl - MAX_BPF_STACK + 32(%rbp),%eax -- ret -+ pax_ret __bpf_call_base - - #define sk_negative_common(SIZE) \ - FRAME_BEGIN; \ -@@ -108,7 +109,7 @@ bpf_slow_path_byte: - push SKBDATA; \ - /* rsi already has offset */ \ - mov $SIZE,%edx; /* size */ \ -- call bpf_internal_load_pointer_neg_helper; \ -+ pax_direct_call bpf_internal_load_pointer_neg_helper; \ - test %rax,%rax; \ - pop SKBDATA; \ - pop %r9; \ -@@ -123,7 +124,7 @@ FUNC(sk_load_word_negative_offset) - sk_negative_common(4) - mov (%rax), %eax - bswap %eax -- ret -+ pax_ret __bpf_call_base - - bpf_slow_path_half_neg: - cmp SKF_MAX_NEG_OFF, %esi -@@ -134,7 +135,7 @@ FUNC(sk_load_half_negative_offset) - mov (%rax),%ax - rol $8,%ax - movzwl %ax,%eax -- ret -+ pax_ret __bpf_call_base - - bpf_slow_path_byte_neg: - cmp SKF_MAX_NEG_OFF, %esi -@@ -143,7 +144,7 @@ bpf_slow_path_byte_neg: - FUNC(sk_load_byte_negative_offset) - sk_negative_common(1) - movzbl (%rax), %eax -- ret -+ pax_ret __bpf_call_base - - bpf_error: - # force a return 0 from jit handler -@@ -153,4 +154,4 @@ bpf_error: - mov - MAX_BPF_STACK + 16(%rbp),%r14 - mov - MAX_BPF_STACK + 24(%rbp),%r15 - leaveq -- ret -+ pax_ret __bpf_call_base -diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c -index 15f7436..f13aeac 100644 ---- a/arch/x86/net/bpf_jit_comp.c -+++ b/arch/x86/net/bpf_jit_comp.c -@@ -14,7 +14,11 @@ - #include - #include - -+#ifdef CONFIG_GRKERNSEC_BPF_HARDEN -+int bpf_jit_enable __read_only; -+#else - int bpf_jit_enable __read_mostly; -+#endif - - /* - * assembly code in arch/x86/net/bpf_jit.S -@@ -183,7 +187,9 @@ static u8 add_2reg(u8 byte, u32 dst_reg, u32 src_reg) - static void jit_fill_hole(void *area, unsigned int size) - { - /* fill whole space with int3 instructions */ -+ pax_open_kernel(); - memset(area, 0xcc, size); -+ pax_close_kernel(); - } - - struct jit_context { -@@ -1076,7 +1082,9 @@ xadd: if (is_imm8(insn->off)) - pr_err("bpf_jit_compile fatal error\n"); - return -EFAULT; - } -+ pax_open_kernel(); - memcpy(image + proglen, temp, ilen); -+ pax_close_kernel(); - } - proglen += ilen; - addrs[i] = proglen; -@@ -1169,7 +1177,6 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog) - - if (image) { - bpf_flush_icache(header, image + proglen); -- set_memory_ro((unsigned long)header, header->pages); - prog->bpf_func = (void *)image; - prog->jited = 1; - } else { -@@ -1190,12 +1197,8 @@ void bpf_jit_free(struct bpf_prog *fp) - unsigned long addr = (unsigned long)fp->bpf_func & PAGE_MASK; - struct bpf_binary_header *header = (void *)addr; - -- if (!fp->jited) -- goto free_filter; -+ if (fp->jited) -+ bpf_jit_binary_free(header); - -- set_memory_rw(addr, header->pages); -- bpf_jit_binary_free(header); -- --free_filter: - bpf_prog_unlock_free(fp); - } -diff --git a/arch/x86/oprofile/backtrace.c b/arch/x86/oprofile/backtrace.c -index a2488b6e..4c2dd84 100644 ---- a/arch/x86/oprofile/backtrace.c -+++ b/arch/x86/oprofile/backtrace.c -@@ -27,11 +27,11 @@ dump_user_backtrace_32(struct stack_frame_ia32 *head) - struct stack_frame_ia32 *fp; - unsigned long bytes; - -- bytes = copy_from_user_nmi(bufhead, head, sizeof(bufhead)); -+ bytes = copy_from_user_nmi(bufhead, (const char __force_user *)head, sizeof(bufhead)); - if (bytes != 0) - return NULL; - -- fp = (struct stack_frame_ia32 *) compat_ptr(bufhead[0].next_frame); -+ fp = (struct stack_frame_ia32 __force_kernel *) compat_ptr(bufhead[0].next_frame); - - oprofile_add_trace(bufhead[0].return_address); - -@@ -73,7 +73,7 @@ static struct stack_frame *dump_user_backtrace(struct stack_frame *head) - struct stack_frame bufhead[2]; - unsigned long bytes; - -- bytes = copy_from_user_nmi(bufhead, head, sizeof(bufhead)); -+ bytes = copy_from_user_nmi(bufhead, (const char __force_user *)head, sizeof(bufhead)); - if (bytes != 0) - return NULL; - -diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c -index 28c0412..568d0a4 100644 ---- a/arch/x86/oprofile/nmi_int.c -+++ b/arch/x86/oprofile/nmi_int.c -@@ -23,6 +23,7 @@ - #include - #include - #include -+#include - - #include "op_counter.h" - #include "op_x86_model.h" -@@ -615,7 +616,7 @@ enum __force_cpu_type { - - static int force_cpu_type; - --static int set_cpu_type(const char *str, struct kernel_param *kp) -+static int set_cpu_type(const char *str, const struct kernel_param *kp) - { - if (!strcmp(str, "timer")) { - force_cpu_type = timer; -@@ -786,8 +787,11 @@ int __init op_nmi_init(struct oprofile_operations *ops) - if (ret) - return ret; - -- if (!model->num_virt_counters) -- model->num_virt_counters = model->num_counters; -+ if (!model->num_virt_counters) { -+ pax_open_kernel(); -+ const_cast(model->num_virt_counters) = model->num_counters; -+ pax_close_kernel(); -+ } - - mux_init(ops); - -diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c -index 660a83c..6ff762b 100644 ---- a/arch/x86/oprofile/op_model_amd.c -+++ b/arch/x86/oprofile/op_model_amd.c -@@ -518,9 +518,11 @@ static int op_amd_init(struct oprofile_operations *ops) - num_counters = AMD64_NUM_COUNTERS; - } - -- op_amd_spec.num_counters = num_counters; -- op_amd_spec.num_controls = num_counters; -- op_amd_spec.num_virt_counters = max(num_counters, NUM_VIRT_COUNTERS); -+ pax_open_kernel(); -+ const_cast(op_amd_spec.num_counters) = num_counters; -+ const_cast(op_amd_spec.num_controls) = num_counters; -+ const_cast(op_amd_spec.num_virt_counters) = max(num_counters, NUM_VIRT_COUNTERS); -+ pax_close_kernel(); - - return 0; - } -diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c -index 350f709..77882e0 100644 ---- a/arch/x86/oprofile/op_model_ppro.c -+++ b/arch/x86/oprofile/op_model_ppro.c -@@ -19,6 +19,7 @@ - #include - #include - #include -+#include - - #include "op_x86_model.h" - #include "op_counter.h" -@@ -221,8 +222,10 @@ static void arch_perfmon_setup_counters(void) - - num_counters = min((int)eax.split.num_counters, OP_MAX_COUNTER); - -- op_arch_perfmon_spec.num_counters = num_counters; -- op_arch_perfmon_spec.num_controls = num_counters; -+ pax_open_kernel(); -+ const_cast(op_arch_perfmon_spec.num_counters) = num_counters; -+ const_cast(op_arch_perfmon_spec.num_controls) = num_counters; -+ pax_close_kernel(); - } - - static int arch_perfmon_init(struct oprofile_operations *ignore) -diff --git a/arch/x86/oprofile/op_x86_model.h b/arch/x86/oprofile/op_x86_model.h -index 71e8a67..6a313bb 100644 ---- a/arch/x86/oprofile/op_x86_model.h -+++ b/arch/x86/oprofile/op_x86_model.h -@@ -52,7 +52,7 @@ struct op_x86_model_spec { - void (*switch_ctrl)(struct op_x86_model_spec const *model, - struct op_msrs const * const msrs); - #endif --}; -+} __do_const; - - struct op_counter_config; - -diff --git a/arch/x86/pci/intel_mid_pci.c b/arch/x86/pci/intel_mid_pci.c -index 5a18aed..22eac20 100644 ---- a/arch/x86/pci/intel_mid_pci.c -+++ b/arch/x86/pci/intel_mid_pci.c -@@ -288,7 +288,7 @@ int __init intel_mid_pci_init(void) - pci_mmcfg_late_init(); - pcibios_enable_irq = intel_mid_pci_irq_enable; - pcibios_disable_irq = intel_mid_pci_irq_disable; -- pci_root_ops = intel_mid_pci_ops; -+ memcpy((void *)&pci_root_ops, &intel_mid_pci_ops, sizeof pci_root_ops); - pci_soc_mode = 1; - /* Continue with standard init */ - return 1; -diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c -index 9bd1154..e9d4656 100644 ---- a/arch/x86/pci/irq.c -+++ b/arch/x86/pci/irq.c -@@ -51,7 +51,7 @@ struct irq_router { - struct irq_router_handler { - u16 vendor; - int (*probe)(struct irq_router *r, struct pci_dev *router, u16 device); --}; -+} __do_const; - - int (*pcibios_enable_irq)(struct pci_dev *dev) = pirq_enable_irq; - void (*pcibios_disable_irq)(struct pci_dev *dev) = pirq_disable_irq; -@@ -792,7 +792,7 @@ static __init int pico_router_probe(struct irq_router *r, struct pci_dev *router - return 0; - } - --static __initdata struct irq_router_handler pirq_routers[] = { -+static __initconst const struct irq_router_handler pirq_routers[] = { - { PCI_VENDOR_ID_INTEL, intel_router_probe }, - { PCI_VENDOR_ID_AL, ali_router_probe }, - { PCI_VENDOR_ID_ITE, ite_router_probe }, -@@ -819,7 +819,7 @@ static struct pci_dev *pirq_router_dev; - static void __init pirq_find_router(struct irq_router *r) - { - struct irq_routing_table *rt = pirq_table; -- struct irq_router_handler *h; -+ const struct irq_router_handler *h; - - #ifdef CONFIG_PCI_BIOS - if (!rt->signature) { -@@ -1092,7 +1092,7 @@ static int __init fix_acer_tm360_irqrouting(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id __initdata pciirq_dmi_table[] = { -+static const struct dmi_system_id __initconst pciirq_dmi_table[] = { - { - .callback = fix_broken_hp_bios_irq9, - .ident = "HP Pavilion N5400 Series Laptop", -diff --git a/arch/x86/pci/pcbios.c b/arch/x86/pci/pcbios.c -index 1d97cea..f34bbf2 100644 ---- a/arch/x86/pci/pcbios.c -+++ b/arch/x86/pci/pcbios.c -@@ -79,7 +79,7 @@ union bios32 { - static struct { - unsigned long address; - unsigned short segment; --} bios32_indirect __initdata = { 0, __KERNEL_CS }; -+} bios32_indirect __initdata = { 0, __PCIBIOS_CS }; - - /* - * Returns the entry point for the given service, NULL on error -@@ -92,28 +92,71 @@ static unsigned long __init bios32_service(unsigned long service) - unsigned long length; /* %ecx */ - unsigned long entry; /* %edx */ - unsigned long flags; -+ struct desc_struct d, *gdt; - - local_irq_save(flags); -- __asm__("lcall *(%%edi); cld" -+ -+ gdt = get_cpu_gdt_table(smp_processor_id()); -+ -+ pack_descriptor(&d, 0UL, 0xFFFFFUL, 0x9B, 0xC); -+ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_CS, &d, DESCTYPE_S); -+ pack_descriptor(&d, 0UL, 0xFFFFFUL, 0x93, 0xC); -+ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_DS, &d, DESCTYPE_S); -+ -+ __asm__("movw %w7, %%ds; lcall *(%%edi); push %%ss; pop %%ds; cld" - : "=a" (return_code), - "=b" (address), - "=c" (length), - "=d" (entry) - : "0" (service), - "1" (0), -- "D" (&bios32_indirect)); -+ "D" (&bios32_indirect), -+ "r"(__PCIBIOS_DS) -+ : "memory"); -+ -+ pax_open_kernel(); -+ gdt[GDT_ENTRY_PCIBIOS_CS].a = 0; -+ gdt[GDT_ENTRY_PCIBIOS_CS].b = 0; -+ gdt[GDT_ENTRY_PCIBIOS_DS].a = 0; -+ gdt[GDT_ENTRY_PCIBIOS_DS].b = 0; -+ pax_close_kernel(); -+ - local_irq_restore(flags); - - switch (return_code) { -- case 0: -- return address + entry; -- case 0x80: /* Not present */ -- printk(KERN_WARNING "bios32_service(0x%lx): not present\n", service); -- return 0; -- default: /* Shouldn't happen */ -- printk(KERN_WARNING "bios32_service(0x%lx): returned 0x%x -- BIOS bug!\n", -- service, return_code); -+ case 0: { -+ int cpu; -+ unsigned char flags; -+ -+ printk(KERN_INFO "bios32_service: base:%08lx length:%08lx entry:%08lx\n", address, length, entry); -+ if (address >= 0xFFFF0 || length > 0x100000 - address || length <= entry) { -+ printk(KERN_WARNING "bios32_service: not valid\n"); - return 0; -+ } -+ address = address + PAGE_OFFSET; -+ length += 16UL; /* some BIOSs underreport this... */ -+ flags = 4; -+ if (length >= 64*1024*1024) { -+ length >>= PAGE_SHIFT; -+ flags |= 8; -+ } -+ -+ for (cpu = 0; cpu < nr_cpu_ids; cpu++) { -+ gdt = get_cpu_gdt_table(cpu); -+ pack_descriptor(&d, address, length, 0x9b, flags); -+ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_CS, &d, DESCTYPE_S); -+ pack_descriptor(&d, address, length, 0x93, flags); -+ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_DS, &d, DESCTYPE_S); -+ } -+ return entry; -+ } -+ case 0x80: /* Not present */ -+ printk(KERN_WARNING "bios32_service(0x%lx): not present\n", service); -+ return 0; -+ default: /* Shouldn't happen */ -+ printk(KERN_WARNING "bios32_service(0x%lx): returned 0x%x -- BIOS bug!\n", -+ service, return_code); -+ return 0; - } - } - -@@ -122,7 +165,7 @@ static struct { - unsigned short segment; - } pci_indirect __ro_after_init = { - .address = 0, -- .segment = __KERNEL_CS, -+ .segment = __PCIBIOS_CS, - }; - - static int pci_bios_present __ro_after_init; -@@ -134,11 +177,13 @@ static int __init check_pcibios(void) - unsigned long flags, pcibios_entry; - - if ((pcibios_entry = bios32_service(PCI_SERVICE))) { -- pci_indirect.address = pcibios_entry + PAGE_OFFSET; -+ pci_indirect.address = pcibios_entry; - - local_irq_save(flags); -- __asm__( -- "lcall *(%%edi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%edi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -147,7 +192,8 @@ static int __init check_pcibios(void) - "=b" (ebx), - "=c" (ecx) - : "1" (PCIBIOS_PCI_BIOS_PRESENT), -- "D" (&pci_indirect) -+ "D" (&pci_indirect), -+ "r" (__PCIBIOS_DS) - : "memory"); - local_irq_restore(flags); - -@@ -205,7 +251,10 @@ static int pci_bios_read(unsigned int seg, unsigned int bus, - break; - } - -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -214,7 +263,8 @@ static int pci_bios_read(unsigned int seg, unsigned int bus, - : "1" (number), - "b" (bx), - "D" ((long)reg), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - /* - * Zero-extend the result beyond 8 or 16 bits, do not trust the - * BIOS having done it: -@@ -253,7 +303,10 @@ static int pci_bios_write(unsigned int seg, unsigned int bus, - break; - } - -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -262,7 +315,8 @@ static int pci_bios_write(unsigned int seg, unsigned int bus, - "c" (value), - "b" (bx), - "D" ((long)reg), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - - raw_spin_unlock_irqrestore(&pci_config_lock, flags); - -@@ -365,10 +419,13 @@ struct irq_routing_table * pcibios_get_irq_routing_table(void) - - DBG("PCI: Fetching IRQ routing table... "); - __asm__("push %%es\n\t" -+ "movw %w8, %%ds\n\t" - "push %%ds\n\t" - "pop %%es\n\t" -- "lcall *(%%esi); cld\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" - "pop %%es\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -379,7 +436,8 @@ struct irq_routing_table * pcibios_get_irq_routing_table(void) - "1" (0), - "D" ((long) &opt), - "S" (&pci_indirect), -- "m" (opt) -+ "m" (opt), -+ "r" (__PCIBIOS_DS) - : "memory"); - DBG("OK ret=%d, size=%d, map=%x\n", ret, opt.size, map); - if (ret & 0xff00) -@@ -403,7 +461,10 @@ int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq) - { - int ret; - -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w5, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -411,7 +472,8 @@ int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq) - : "0" (PCIBIOS_SET_PCI_HW_INT), - "b" ((dev->bus->number << 8) | dev->devfn), - "c" ((irq << 8) | (pin + 10)), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - return !(ret & 0xff00); - } - EXPORT_SYMBOL(pcibios_set_irq_routing); -diff --git a/arch/x86/platform/efi/efi_32.c b/arch/x86/platform/efi/efi_32.c -index cef39b0..0e5aebe 100644 ---- a/arch/x86/platform/efi/efi_32.c -+++ b/arch/x86/platform/efi/efi_32.c -@@ -63,11 +63,27 @@ pgd_t * __init efi_call_phys_prolog(void) - struct desc_ptr gdt_descr; - pgd_t *save_pgd; - -+#ifdef CONFIG_PAX_KERNEXEC -+ struct desc_struct d; -+#endif -+ - /* Current pgd is swapper_pg_dir, we'll restore it later: */ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ save_pgd = get_cpu_pgd(smp_processor_id(), kernel); -+#else - save_pgd = swapper_pg_dir; -+#endif -+ - load_cr3(initial_page_table); - __flush_tlb_all(); - -+#ifdef CONFIG_PAX_KERNEXEC -+ pack_descriptor(&d, 0, 0xFFFFF, 0x9B, 0xC); -+ write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_CS, &d, DESCTYPE_S); -+ pack_descriptor(&d, 0, 0xFFFFF, 0x93, 0xC); -+ write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_DS, &d, DESCTYPE_S); -+#endif -+ - gdt_descr.address = __pa(get_cpu_gdt_table(0)); - gdt_descr.size = GDT_SIZE - 1; - load_gdt(&gdt_descr); -@@ -79,6 +95,14 @@ void __init efi_call_phys_epilog(pgd_t *save_pgd) - { - struct desc_ptr gdt_descr; - -+#ifdef CONFIG_PAX_KERNEXEC -+ struct desc_struct d; -+ -+ memset(&d, 0, sizeof d); -+ write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_CS, &d, DESCTYPE_S); -+ write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_DS, &d, DESCTYPE_S); -+#endif -+ - gdt_descr.address = (unsigned long)get_cpu_gdt_table(0); - gdt_descr.size = GDT_SIZE - 1; - load_gdt(&gdt_descr); -diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c -index 2f25a36..3caf893 100644 ---- a/arch/x86/platform/efi/efi_64.c -+++ b/arch/x86/platform/efi/efi_64.c -@@ -93,6 +93,11 @@ pgd_t * __init efi_call_phys_prolog(void) - vaddress = (unsigned long)__va(pgd * PGDIR_SIZE); - set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), *pgd_offset_k(vaddress)); - } -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ load_cr3(swapper_pg_dir); -+#endif -+ - out: - __flush_tlb_all(); - -@@ -120,6 +125,10 @@ void __init efi_call_phys_epilog(pgd_t *save_pgd) - - kfree(save_pgd); - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ load_cr3(get_cpu_pgd(smp_processor_id(), kernel)); -+#endif -+ - __flush_tlb_all(); - early_code_mapping_set_exec(0); - } -@@ -248,8 +257,23 @@ int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages) - unsigned npages; - pgd_t *pgd; - -- if (efi_enabled(EFI_OLD_MEMMAP)) -+ if (efi_enabled(EFI_OLD_MEMMAP)) { -+ /* PaX: We need to disable the NX bit in the PGD, otherwise we won't be -+ * able to execute the EFI services. -+ */ -+ if (__supported_pte_mask & _PAGE_NX) { -+ unsigned long addr = (unsigned long) __va(0); -+ pgd_t pe = __pgd(pgd_val(*pgd_offset_k(addr)) & ~_PAGE_NX); -+ -+ pr_alert("PAX: Disabling NX protection for low memory map. Try booting without \"efi=old_map\"\n"); -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ set_pgd(pgd_offset_cpu(0, kernel, addr), pe); -+#endif -+ set_pgd(pgd_offset_k(addr), pe); -+ } -+ - return 0; -+ } - - efi_scratch.efi_pgt = (pgd_t *)__pa(efi_pgd); - pgd = efi_pgd; -diff --git a/arch/x86/platform/efi/efi_stub_32.S b/arch/x86/platform/efi/efi_stub_32.S -index 040192b..7d3300f 100644 ---- a/arch/x86/platform/efi/efi_stub_32.S -+++ b/arch/x86/platform/efi/efi_stub_32.S -@@ -6,7 +6,9 @@ - */ - - #include -+#include - #include -+#include - - /* - * efi_call_phys(void *, ...) is a function with variable parameters. -@@ -20,7 +22,7 @@ - * service functions will comply with gcc calling convention, too. - */ - --.text -+__INIT - ENTRY(efi_call_phys) - /* - * 0. The function can only be called in Linux kernel. So CS has been -@@ -36,10 +38,24 @@ ENTRY(efi_call_phys) - * The mapping of lower virtual memory has been created in prolog and - * epilog. - */ -- movl $1f, %edx -- subl $__PAGE_OFFSET, %edx -- jmp *%edx -+#ifdef CONFIG_PAX_KERNEXEC -+ movl $(__KERNEXEC_EFI_DS), %edx -+ mov %edx, %ds -+ mov %edx, %es -+ mov %edx, %ss -+ addl $2f,(1f) -+ ljmp *(1f) -+ -+__INITDATA -+1: .long __LOAD_PHYSICAL_ADDR, __KERNEXEC_EFI_CS -+.previous -+ -+2: -+ subl $2b,(1b) -+#else -+ jmp 1f-__PAGE_OFFSET - 1: -+#endif - - /* - * 2. Now on the top of stack is the return -@@ -47,14 +63,8 @@ ENTRY(efi_call_phys) - * parameter 2, ..., param n. To make things easy, we save the return - * address of efi_call_phys in a global variable. - */ -- popl %edx -- movl %edx, saved_return_addr -- /* get the function pointer into ECX*/ -- popl %ecx -- movl %ecx, efi_rt_function_ptr -- movl $2f, %edx -- subl $__PAGE_OFFSET, %edx -- pushl %edx -+ popl (saved_return_addr) -+ popl (efi_rt_function_ptr) - - /* - * 3. Clear PG bit in %CR0. -@@ -73,9 +83,8 @@ ENTRY(efi_call_phys) - /* - * 5. Call the physical function. - */ -- jmp *%ecx -+ call *(efi_rt_function_ptr-__PAGE_OFFSET) - --2: - /* - * 6. After EFI runtime service returns, control will return to - * following instruction. We'd better readjust stack pointer first. -@@ -88,35 +97,36 @@ ENTRY(efi_call_phys) - movl %cr0, %edx - orl $0x80000000, %edx - movl %edx, %cr0 -- jmp 1f --1: -+ - /* - * 8. Now restore the virtual mode from flat mode by - * adding EIP with PAGE_OFFSET. - */ -- movl $1f, %edx -- jmp *%edx -+#ifdef CONFIG_PAX_KERNEXEC -+ movl $(__KERNEL_DS), %edx -+ mov %edx, %ds -+ mov %edx, %es -+ mov %edx, %ss -+ ljmp $(__KERNEL_CS),$1f -+#else -+ jmp 1f+__PAGE_OFFSET -+#endif - 1: - - /* - * 9. Balance the stack. And because EAX contain the return value, - * we'd better not clobber it. - */ -- leal efi_rt_function_ptr, %edx -- movl (%edx), %ecx -- pushl %ecx -+ pushl (efi_rt_function_ptr) - - /* -- * 10. Push the saved return address onto the stack and return. -+ * 10. Return to the saved return address. - */ -- leal saved_return_addr, %edx -- movl (%edx), %ecx -- pushl %ecx -- ret -+ jmpl *(saved_return_addr) - ENDPROC(efi_call_phys) - .previous - --.data -+__INITDATA - saved_return_addr: - .long 0 - efi_rt_function_ptr: -diff --git a/arch/x86/platform/efi/efi_stub_64.S b/arch/x86/platform/efi/efi_stub_64.S -index cd95075..7771479 100644 ---- a/arch/x86/platform/efi/efi_stub_64.S -+++ b/arch/x86/platform/efi/efi_stub_64.S -@@ -11,6 +11,7 @@ - #include - #include - #include -+#include - - #define SAVE_XMM \ - mov %rsp, %rax; \ -@@ -53,5 +54,9 @@ ENTRY(efi_call) - addq $48, %rsp - RESTORE_XMM - popq %rbp -+#ifdef efi_call - ret -+#else -+ pax_ret efi_call -+#endif - ENDPROC(efi_call) -diff --git a/arch/x86/platform/intel-mid/intel-mid.c b/arch/x86/platform/intel-mid/intel-mid.c -index 7850128..bcf03ab 100644 ---- a/arch/x86/platform/intel-mid/intel-mid.c -+++ b/arch/x86/platform/intel-mid/intel-mid.c -@@ -62,9 +62,9 @@ - enum intel_mid_timer_options intel_mid_timer_options; - - /* intel_mid_ops to store sub arch ops */ --static struct intel_mid_ops *intel_mid_ops; -+static const struct intel_mid_ops *intel_mid_ops; - /* getter function for sub arch ops*/ --static void *(*get_intel_mid_ops[])(void) = INTEL_MID_OPS_INIT; -+static const void *(*get_intel_mid_ops[])(void) = INTEL_MID_OPS_INIT; - enum intel_mid_cpu_type __intel_mid_cpu_chip; - EXPORT_SYMBOL_GPL(__intel_mid_cpu_chip); - -@@ -77,9 +77,10 @@ static void intel_mid_power_off(void) - intel_scu_ipc_simple_command(IPCMSG_COLD_OFF, 1); - }; - --static void intel_mid_reboot(void) -+static void __noreturn intel_mid_reboot(void) - { - intel_scu_ipc_simple_command(IPCMSG_COLD_BOOT, 0); -+ BUG(); - } - - static unsigned long __init intel_mid_calibrate_tsc(void) -diff --git a/arch/x86/platform/intel-mid/intel_mid_weak_decls.h b/arch/x86/platform/intel-mid/intel_mid_weak_decls.h -index 3c1c386..59a68ed 100644 ---- a/arch/x86/platform/intel-mid/intel_mid_weak_decls.h -+++ b/arch/x86/platform/intel-mid/intel_mid_weak_decls.h -@@ -13,6 +13,6 @@ - /* For every CPU addition a new get__ops interface needs - * to be added. - */ --extern void *get_penwell_ops(void); --extern void *get_cloverview_ops(void); --extern void *get_tangier_ops(void); -+extern const void *get_penwell_ops(void); -+extern const void *get_cloverview_ops(void); -+extern const void *get_tangier_ops(void); -diff --git a/arch/x86/platform/intel-mid/mfld.c b/arch/x86/platform/intel-mid/mfld.c -index 1eb47b6..dadfb57 100644 ---- a/arch/x86/platform/intel-mid/mfld.c -+++ b/arch/x86/platform/intel-mid/mfld.c -@@ -61,12 +61,12 @@ static void __init penwell_arch_setup(void) - pm_power_off = mfld_power_off; - } - --void *get_penwell_ops(void) -+const void *get_penwell_ops(void) - { - return &penwell_ops; - } - --void *get_cloverview_ops(void) -+const void *get_cloverview_ops(void) - { - return &penwell_ops; - } -diff --git a/arch/x86/platform/intel-mid/mrfld.c b/arch/x86/platform/intel-mid/mrfld.c -index 59253db..81bb534 100644 ---- a/arch/x86/platform/intel-mid/mrfld.c -+++ b/arch/x86/platform/intel-mid/mrfld.c -@@ -94,7 +94,7 @@ static struct intel_mid_ops tangier_ops = { - .arch_setup = tangier_arch_setup, - }; - --void *get_tangier_ops(void) -+const void *get_tangier_ops(void) - { - return &tangier_ops; - } -diff --git a/arch/x86/platform/intel-quark/imr_selftest.c b/arch/x86/platform/intel-quark/imr_selftest.c -index f5bad40..da1428a 100644 ---- a/arch/x86/platform/intel-quark/imr_selftest.c -+++ b/arch/x86/platform/intel-quark/imr_selftest.c -@@ -54,7 +54,7 @@ static void __init imr_self_test_result(int res, const char *fmt, ...) - */ - static void __init imr_self_test(void) - { -- phys_addr_t base = virt_to_phys(&_text); -+ phys_addr_t base = virt_to_phys((void *)ktla_ktva((unsigned long)_text)); - size_t size = virt_to_phys(&__end_rodata) - base; - const char *fmt_over = "overlapped IMR @ (0x%08lx - 0x%08lx)\n"; - int ret; -diff --git a/arch/x86/platform/mellanox/mlx-platform.c b/arch/x86/platform/mellanox/mlx-platform.c -index c0355d7..dea97c8 100644 ---- a/arch/x86/platform/mellanox/mlx-platform.c -+++ b/arch/x86/platform/mellanox/mlx-platform.c -@@ -149,7 +149,7 @@ static int __init mlxplat_dmi_msn21xx_matched(const struct dmi_system_id *dmi) - return 1; - }; - --static struct dmi_system_id mlxplat_dmi_table[] __initdata = { -+static const struct dmi_system_id mlxplat_dmi_table[] __initconst = { - { - .callback = mlxplat_dmi_default_matched, - .matches = { -diff --git a/arch/x86/platform/olpc/olpc_dt.c b/arch/x86/platform/olpc/olpc_dt.c -index d6ee929..0454327 100644 ---- a/arch/x86/platform/olpc/olpc_dt.c -+++ b/arch/x86/platform/olpc/olpc_dt.c -@@ -156,7 +156,7 @@ void * __init prom_early_alloc(unsigned long size) - return res; - } - --static struct of_pdt_ops prom_olpc_ops __initdata = { -+static const struct of_pdt_ops prom_olpc_ops __initconst = { - .nextprop = olpc_dt_nextprop, - .getproplen = olpc_dt_getproplen, - .getproperty = olpc_dt_getproperty, -diff --git a/arch/x86/platform/olpc/xo1-wakeup.S b/arch/x86/platform/olpc/xo1-wakeup.S -index 948deb2..16a434a 100644 ---- a/arch/x86/platform/olpc/xo1-wakeup.S -+++ b/arch/x86/platform/olpc/xo1-wakeup.S -@@ -1,8 +1,10 @@ - .text - #include -+#include - #include - #include - #include -+#include - - .macro writepost,value - movb $0x34, %al -@@ -76,7 +78,7 @@ save_registers: - pushfl - popl saved_context_eflags - -- ret -+ pax_ret save_registers - - restore_registers: - movl saved_context_ebp, %ebp -@@ -87,17 +89,17 @@ restore_registers: - pushl saved_context_eflags - popfl - -- ret -+ pax_ret restore_registers - - ENTRY(do_olpc_suspend_lowlevel) -- call save_processor_state -- call save_registers -+ pax_direct_call save_processor_state -+ pax_direct_call save_registers - - # This is the stack context we want to remember - movl %esp, saved_context_esp - - pushl $3 -- call xo1_do_sleep -+ pax_direct_call xo1_do_sleep - - jmp wakeup_start - .p2align 4,,7 -@@ -106,9 +108,9 @@ ret_point: - - writepost 0x32 - -- call restore_registers -- call restore_processor_state -- ret -+ pax_direct_call restore_registers -+ pax_direct_call restore_processor_state -+ pax_ret do_olpc_suspend_lowlevel - - .data - saved_gdt: .long 0,0 -diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c -index 9e42842..fad7e1d 100644 ---- a/arch/x86/platform/uv/tlb_uv.c -+++ b/arch/x86/platform/uv/tlb_uv.c -@@ -24,7 +24,7 @@ - #include - #include - --static struct bau_operations ops; -+static struct bau_operations *ops __read_only; - - static struct bau_operations uv123_bau_ops = { - .bau_gpa_to_offset = uv_gpa_to_offset, -@@ -239,7 +239,7 @@ static void reply_to_message(struct msg_desc *mdp, struct bau_control *bcp, - msg = mdp->msg; - if (!msg->canceled && do_acknowledge) { - dw = (msg->swack_vec << UV_SW_ACK_NPENDING) | msg->swack_vec; -- ops.write_l_sw_ack(dw); -+ ops->write_l_sw_ack(dw); - } - msg->replied_to = 1; - msg->swack_vec = 0; -@@ -275,7 +275,7 @@ static void bau_process_retry_msg(struct msg_desc *mdp, - msg->swack_vec) == 0) && - (msg2->sending_cpu == msg->sending_cpu) && - (msg2->msg_type != MSG_NOOP)) { -- mmr = ops.read_l_sw_ack(); -+ mmr = ops->read_l_sw_ack(); - msg_res = msg2->swack_vec; - /* - * This is a message retry; clear the resources held -@@ -293,7 +293,7 @@ static void bau_process_retry_msg(struct msg_desc *mdp, - stat->d_canceled++; - cancel_count++; - mr = (msg_res << UV_SW_ACK_NPENDING) | msg_res; -- ops.write_l_sw_ack(mr); -+ ops->write_l_sw_ack(mr); - } - } - } -@@ -426,12 +426,12 @@ static void do_reset(void *ptr) - /* - * only reset the resource if it is still pending - */ -- mmr = ops.read_l_sw_ack(); -+ mmr = ops->read_l_sw_ack(); - msg_res = msg->swack_vec; - mr = (msg_res << UV_SW_ACK_NPENDING) | msg_res; - if (mmr & msg_res) { - stat->d_rcanceled++; -- ops.write_l_sw_ack(mr); -+ ops->write_l_sw_ack(mr); - } - } - } -@@ -1221,7 +1221,7 @@ void process_uv2_message(struct msg_desc *mdp, struct bau_control *bcp) - struct bau_pq_entry *msg = mdp->msg; - struct bau_pq_entry *other_msg; - -- mmr_image = ops.read_l_sw_ack(); -+ mmr_image = ops->read_l_sw_ack(); - swack_vec = msg->swack_vec; - - if ((swack_vec & mmr_image) == 0) { -@@ -1450,7 +1450,7 @@ static int ptc_seq_show(struct seq_file *file, void *data) - /* destination side statistics */ - seq_printf(file, - "%lx %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld\n", -- ops.read_g_sw_ack(uv_cpu_to_pnode(cpu)), -+ ops->read_g_sw_ack(uv_cpu_to_pnode(cpu)), - stat->d_requestee, cycles_2_us(stat->d_time), - stat->d_alltlb, stat->d_onetlb, stat->d_multmsg, - stat->d_nomsg, stat->d_retries, stat->d_canceled, -@@ -1744,7 +1744,7 @@ static void activation_descriptor_init(int node, int pnode, int base_pnode) - - gpa = uv_gpa(bau_desc); - n = uv_gpa_to_gnode(gpa); -- m = ops.bau_gpa_to_offset(gpa); -+ m = ops->bau_gpa_to_offset(gpa); - if (is_uv1_hub()) - uv1 = 1; - -@@ -1831,8 +1831,8 @@ static void pq_init(int node, int pnode) - bcp->queue_last = pqp + (DEST_Q_SIZE - 1); - } - -- first = ops.bau_gpa_to_offset(uv_gpa(pqp)); -- last = ops.bau_gpa_to_offset(uv_gpa(pqp + (DEST_Q_SIZE - 1))); -+ first = ops->bau_gpa_to_offset(uv_gpa(pqp)); -+ last = ops->bau_gpa_to_offset(uv_gpa(pqp + (DEST_Q_SIZE - 1))); - - /* - * Pre UV4, the gnode is required to locate the payload queue -@@ -1846,9 +1846,9 @@ static void pq_init(int node, int pnode) - write_mmr_payload_tail(pnode, tail); - } - -- ops.write_payload_first(pnode, first); -- ops.write_payload_last(pnode, last); -- ops.write_g_sw_ack(pnode, 0xffffUL); -+ ops->write_payload_first(pnode, first); -+ ops->write_payload_last(pnode, last); -+ ops->write_g_sw_ack(pnode, 0xffffUL); - - /* in effect, all msg_type's are set to MSG_NOOP */ - memset(pqp, 0, sizeof(struct bau_pq_entry) * DEST_Q_SIZE); -@@ -2166,13 +2166,13 @@ static int __init uv_bau_init(void) - return 0; - - if (is_uv4_hub()) -- ops = uv4_bau_ops; -+ ops = &uv4_bau_ops; - else if (is_uv3_hub()) -- ops = uv123_bau_ops; -+ ops = &uv123_bau_ops; - else if (is_uv2_hub()) -- ops = uv123_bau_ops; -+ ops = &uv123_bau_ops; - else if (is_uv1_hub()) -- ops = uv123_bau_ops; -+ ops = &uv123_bau_ops; - - for_each_possible_cpu(cur_cpu) { - mask = &per_cpu(uv_flush_tlb_mask, cur_cpu); -diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c -index 53cace2..ef55cca 100644 ---- a/arch/x86/power/cpu.c -+++ b/arch/x86/power/cpu.c -@@ -160,11 +160,8 @@ static void do_fpu_end(void) - static void fix_processor_context(void) - { - int cpu = smp_processor_id(); -- struct tss_struct *t = &per_cpu(cpu_tss, cpu); --#ifdef CONFIG_X86_64 -- struct desc_struct *desc = get_cpu_gdt_table(cpu); -- tss_desc tss; --#endif -+ struct tss_struct *t = cpu_tss + cpu; -+ - set_tss_desc(cpu, t); /* - * This just modifies memory; should not be - * necessary. But... This is necessary, because -@@ -173,10 +170,6 @@ static void fix_processor_context(void) - */ - - #ifdef CONFIG_X86_64 -- memcpy(&tss, &desc[GDT_ENTRY_TSS], sizeof(tss_desc)); -- tss.type = 0x9; /* The available 64-bit TSS (see AMD vol 2, pg 91 */ -- write_gdt_entry(desc, GDT_ENTRY_TSS, &tss, DESC_TSS); -- - syscall_init(); /* This sets MSR_*STAR and related */ - #endif - load_TR_desc(); /* This does ltr */ -@@ -289,9 +282,13 @@ int hibernate_resume_nonboot_cpu_disable(void) - * any more at that point (the page tables used by it previously may - * have been overwritten by hibernate image data). - */ -+ pax_open_kernel(); - smp_ops.play_dead = resume_play_dead; -+ pax_close_kernel(); - ret = disable_nonboot_cpus(); -+ pax_open_kernel(); - smp_ops.play_dead = play_dead; -+ pax_close_kernel(); - return ret; - } - #endif -diff --git a/arch/x86/power/hibernate_64.c b/arch/x86/power/hibernate_64.c -index 9634557..c280eda 100644 ---- a/arch/x86/power/hibernate_64.c -+++ b/arch/x86/power/hibernate_64.c -@@ -130,15 +130,14 @@ static int relocate_restore_code(void) - - /* Make the page containing the relocated code executable */ - pgd = (pgd_t *)__va(read_cr3()) + pgd_index(relocated_restore_code); -+ set_pgd(pgd, __pgd(pgd_val(*pgd) & ~_PAGE_NX)); - pud = pud_offset(pgd, relocated_restore_code); -- if (pud_large(*pud)) { -- set_pud(pud, __pud(pud_val(*pud) & ~_PAGE_NX)); -- } else { -+ set_pud(pud, __pud(pud_val(*pud) & ~_PAGE_NX)); -+ if (!pud_large(*pud)) { - pmd_t *pmd = pmd_offset(pud, relocated_restore_code); - -- if (pmd_large(*pmd)) { -- set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_NX)); -- } else { -+ set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_NX)); -+ if (!pmd_large(*pmd)) { - pte_t *pte = pte_offset_kernel(pmd, relocated_restore_code); - - set_pte(pte, __pte(pte_val(*pte) & ~_PAGE_NX)); -@@ -198,7 +197,7 @@ int arch_hibernation_header_save(void *addr, unsigned int max_size) - if (max_size < sizeof(struct restore_data_record)) - return -EOVERFLOW; - rdr->jump_address = (unsigned long)&restore_registers; -- rdr->jump_address_phys = __pa_symbol(&restore_registers); -+ rdr->jump_address_phys = __pa_symbol(rdr->jump_address); - rdr->cr3 = restore_cr3; - rdr->magic = RESTORE_MAGIC; - return 0; -diff --git a/arch/x86/power/hibernate_asm_32.S b/arch/x86/power/hibernate_asm_32.S -index 1d0fa0e..f18e498 100644 ---- a/arch/x86/power/hibernate_asm_32.S -+++ b/arch/x86/power/hibernate_asm_32.S -@@ -11,6 +11,7 @@ - #include - #include - #include -+#include - - .text - -@@ -23,8 +24,8 @@ ENTRY(swsusp_arch_suspend) - pushfl - popl saved_context_eflags - -- call swsusp_save -- ret -+ pax_direct_call swsusp_save -+ pax_ret swsusp_arch_suspend - - ENTRY(restore_image) - movl mmu_cr4_features, %ecx -@@ -74,6 +75,7 @@ done: - - pushl saved_context_eflags - popfl -+ ASM_CLAC - - /* Saved in save_processor_state. */ - movl $saved_context, %eax -@@ -81,4 +83,4 @@ done: - - xorl %eax, %eax - -- ret -+ pax_ret restore_image -diff --git a/arch/x86/power/hibernate_asm_64.S b/arch/x86/power/hibernate_asm_64.S -index ce8da3a..2f20c83 100644 ---- a/arch/x86/power/hibernate_asm_64.S -+++ b/arch/x86/power/hibernate_asm_64.S -@@ -22,6 +22,7 @@ - #include - #include - #include -+#include - - ENTRY(swsusp_arch_suspend) - movq $saved_context, %rax -@@ -48,9 +49,9 @@ ENTRY(swsusp_arch_suspend) - movq %rax, restore_cr3(%rip) - - FRAME_BEGIN -- call swsusp_save -+ pax_direct_call swsusp_save - FRAME_END -- ret -+ pax_ret swsusp_arch_suspend - ENDPROC(swsusp_arch_suspend) - - ENTRY(restore_image) -@@ -133,6 +134,7 @@ ENTRY(restore_registers) - movq pt_regs_r15(%rax), %r15 - pushq pt_regs_flags(%rax) - popfq -+ ASM_CLAC - - /* Saved in save_processor_state. */ - lgdt saved_context_gdt_desc(%rax) -@@ -142,5 +144,5 @@ ENTRY(restore_registers) - /* tell the hibernation core that we've just restored the memory */ - movq %rax, in_suspend(%rip) - -- ret -+ pax_ret restore_registers - ENDPROC(restore_registers) -diff --git a/arch/x86/purgatory/Makefile b/arch/x86/purgatory/Makefile -index 555b9fa..3ae31c3 100644 ---- a/arch/x86/purgatory/Makefile -+++ b/arch/x86/purgatory/Makefile -@@ -10,6 +10,8 @@ targets += purgatory.ro - - KCOV_INSTRUMENT := n - -+GCC_PLUGINS := n -+ - # Default KBUILD_CFLAGS can have -pg option set when FTRACE is enabled. That - # in turn leaves some undefined symbols like __fentry__ in purgatory and not - # sure how to relocate those. Like kexec-tools, use custom flags. -diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c -index 5db706f1..267f907 100644 ---- a/arch/x86/realmode/init.c -+++ b/arch/x86/realmode/init.c -@@ -85,7 +85,13 @@ static void __init setup_real_mode(void) - __va(real_mode_header->trampoline_header); - - #ifdef CONFIG_X86_32 -- trampoline_header->start = __pa_symbol(startup_32_smp); -+ trampoline_header->start = __pa_symbol(ktla_ktva((unsigned long)startup_32_smp)); -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ trampoline_header->start -= LOAD_PHYSICAL_ADDR; -+#endif -+ -+ trampoline_header->boot_cs = __BOOT_CS; - trampoline_header->gdt_limit = __BOOT_DS + 7; - trampoline_header->gdt_base = __pa_symbol(boot_gdt); - #else -@@ -101,7 +107,7 @@ static void __init setup_real_mode(void) - *trampoline_cr4_features = mmu_cr4_features; - - trampoline_pgd = (u64 *) __va(real_mode_header->trampoline_pgd); -- trampoline_pgd[0] = trampoline_pgd_entry.pgd; -+ trampoline_pgd[0] = trampoline_pgd_entry.pgd & ~_PAGE_NX; - trampoline_pgd[511] = init_level4_pgt[511].pgd; - #endif - } -diff --git a/arch/x86/realmode/rm/Makefile b/arch/x86/realmode/rm/Makefile -index 25012ab..424eb9a 100644 ---- a/arch/x86/realmode/rm/Makefile -+++ b/arch/x86/realmode/rm/Makefile -@@ -8,6 +8,7 @@ - # - KASAN_SANITIZE := n - OBJECT_FILES_NON_STANDARD := y -+GCC_PLUGINS := n - - # Prevents link failures: __sanitizer_cov_trace_pc() is not linked in. - KCOV_INSTRUMENT := n -diff --git a/arch/x86/realmode/rm/header.S b/arch/x86/realmode/rm/header.S -index a28221d..93c40f1 100644 ---- a/arch/x86/realmode/rm/header.S -+++ b/arch/x86/realmode/rm/header.S -@@ -30,7 +30,9 @@ GLOBAL(real_mode_header) - #endif - /* APM/BIOS reboot */ - .long pa_machine_real_restart_asm --#ifdef CONFIG_X86_64 -+#ifdef CONFIG_X86_32 -+ .long __KERNEL_CS -+#else - .long __KERNEL32_CS - #endif - END(real_mode_header) -diff --git a/arch/x86/realmode/rm/reboot.S b/arch/x86/realmode/rm/reboot.S -index d66c607..3def845 100644 ---- a/arch/x86/realmode/rm/reboot.S -+++ b/arch/x86/realmode/rm/reboot.S -@@ -27,6 +27,10 @@ ENTRY(machine_real_restart_asm) - lgdtl pa_tr_gdt - - /* Disable paging to drop us out of long mode */ -+ movl %cr4, %eax -+ andl $~X86_CR4_PCIDE, %eax -+ movl %eax, %cr4 -+ - movl %cr0, %eax - andl $~X86_CR0_PG, %eax - movl %eax, %cr0 -diff --git a/arch/x86/realmode/rm/trampoline_32.S b/arch/x86/realmode/rm/trampoline_32.S -index 48ddd76..c26749f 100644 ---- a/arch/x86/realmode/rm/trampoline_32.S -+++ b/arch/x86/realmode/rm/trampoline_32.S -@@ -24,6 +24,12 @@ - #include - #include "realmode.h" - -+#ifdef CONFIG_PAX_KERNEXEC -+#define ta(X) (X) -+#else -+#define ta(X) (pa_ ## X) -+#endif -+ - .text - .code16 - -@@ -38,8 +44,6 @@ ENTRY(trampoline_start) - - cli # We should be safe anyway - -- movl tr_start, %eax # where we need to go -- - movl $0xA5A5A5A5, trampoline_status - # write marker for master knows we're running - -@@ -55,7 +59,7 @@ ENTRY(trampoline_start) - movw $1, %dx # protected mode (PE) bit - lmsw %dx # into protected mode - -- ljmpl $__BOOT_CS, $pa_startup_32 -+ ljmpl *(trampoline_header) - - .section ".text32","ax" - .code32 -@@ -66,7 +70,7 @@ ENTRY(startup_32) # note: also used from wakeup_asm.S - .balign 8 - GLOBAL(trampoline_header) - tr_start: .space 4 -- tr_gdt_pad: .space 2 -+ tr_boot_cs: .space 2 - tr_gdt: .space 6 - END(trampoline_header) - -diff --git a/arch/x86/realmode/rm/trampoline_64.S b/arch/x86/realmode/rm/trampoline_64.S -index dac7b20..72dbaca 100644 ---- a/arch/x86/realmode/rm/trampoline_64.S -+++ b/arch/x86/realmode/rm/trampoline_64.S -@@ -93,6 +93,7 @@ ENTRY(startup_32) - movl %edx, %gs - - movl pa_tr_cr4, %eax -+ andl $~X86_CR4_PCIDE, %eax - movl %eax, %cr4 # Enable PAE mode - - # Setup trampoline 4 level pagetables -@@ -106,7 +107,7 @@ ENTRY(startup_32) - wrmsr - - # Enable paging and in turn activate Long Mode -- movl $(X86_CR0_PG | X86_CR0_WP | X86_CR0_PE), %eax -+ movl $(X86_CR0_PG | X86_CR0_PE), %eax - movl %eax, %cr0 - - /* -diff --git a/arch/x86/realmode/rm/wakeup_asm.S b/arch/x86/realmode/rm/wakeup_asm.S -index 9e7e147..25a4158 100644 ---- a/arch/x86/realmode/rm/wakeup_asm.S -+++ b/arch/x86/realmode/rm/wakeup_asm.S -@@ -126,11 +126,10 @@ ENTRY(wakeup_start) - lgdtl pmode_gdt - - /* This really couldn't... */ -- movl pmode_entry, %eax - movl pmode_cr0, %ecx - movl %ecx, %cr0 -- ljmpl $__KERNEL_CS, $pa_startup_32 -- /* -> jmp *%eax in trampoline_32.S */ -+ -+ ljmpl *pmode_entry - #else - jmp trampoline_start - #endif -diff --git a/arch/x86/tools/Makefile b/arch/x86/tools/Makefile -index 604a37e..e49702a 100644 ---- a/arch/x86/tools/Makefile -+++ b/arch/x86/tools/Makefile -@@ -37,7 +37,7 @@ $(obj)/test_get_len.o: $(srctree)/arch/x86/lib/insn.c $(srctree)/arch/x86/lib/in - - $(obj)/insn_sanity.o: $(srctree)/arch/x86/lib/insn.c $(srctree)/arch/x86/lib/inat.c $(srctree)/arch/x86/include/asm/inat_types.h $(srctree)/arch/x86/include/asm/inat.h $(srctree)/arch/x86/include/asm/insn.h $(objtree)/arch/x86/lib/inat-tables.c - --HOST_EXTRACFLAGS += -I$(srctree)/tools/include -+HOST_EXTRACFLAGS += -I$(srctree)/tools/include -ggdb - hostprogs-y += relocs - relocs-objs := relocs_32.o relocs_64.o relocs_common.o - PHONY += relocs -diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c -index 0c2fae8..1d2a079 100644 ---- a/arch/x86/tools/relocs.c -+++ b/arch/x86/tools/relocs.c -@@ -1,5 +1,7 @@ - /* This is included from relocs_32/64.c */ - -+#include "../../../include/generated/autoconf.h" -+ - #define ElfW(type) _ElfW(ELF_BITS, type) - #define _ElfW(bits, type) __ElfW(bits, type) - #define __ElfW(bits, type) Elf##bits##_##type -@@ -11,6 +13,7 @@ - #define Elf_Sym ElfW(Sym) - - static Elf_Ehdr ehdr; -+static Elf_Phdr *phdr; - - struct relocs { - uint32_t *offset; -@@ -45,6 +48,7 @@ static const char * const sym_regex_kernel[S_NSYMTYPES] = { - "^(xen_irq_disable_direct_reloc$|" - "xen_save_fl_direct_reloc$|" - "VDSO|" -+ "__rap_hash_|" - "__crc_)", - - /* -@@ -386,9 +390,39 @@ static void read_ehdr(FILE *fp) - } - } - -+static void read_phdrs(FILE *fp) -+{ -+ unsigned int i; -+ -+ phdr = calloc(ehdr.e_phnum, sizeof(Elf_Phdr)); -+ if (!phdr) { -+ die("Unable to allocate %d program headers\n", -+ ehdr.e_phnum); -+ } -+ if (fseek(fp, ehdr.e_phoff, SEEK_SET) < 0) { -+ die("Seek to %d failed: %s\n", -+ ehdr.e_phoff, strerror(errno)); -+ } -+ if (fread(phdr, sizeof(*phdr), ehdr.e_phnum, fp) != ehdr.e_phnum) { -+ die("Cannot read ELF program headers: %s\n", -+ strerror(errno)); -+ } -+ for(i = 0; i < ehdr.e_phnum; i++) { -+ phdr[i].p_type = elf_word_to_cpu(phdr[i].p_type); -+ phdr[i].p_offset = elf_off_to_cpu(phdr[i].p_offset); -+ phdr[i].p_vaddr = elf_addr_to_cpu(phdr[i].p_vaddr); -+ phdr[i].p_paddr = elf_addr_to_cpu(phdr[i].p_paddr); -+ phdr[i].p_filesz = elf_word_to_cpu(phdr[i].p_filesz); -+ phdr[i].p_memsz = elf_word_to_cpu(phdr[i].p_memsz); -+ phdr[i].p_flags = elf_word_to_cpu(phdr[i].p_flags); -+ phdr[i].p_align = elf_word_to_cpu(phdr[i].p_align); -+ } -+ -+} -+ - static void read_shdrs(FILE *fp) - { -- int i; -+ unsigned int i; - Elf_Shdr shdr; - - secs = calloc(ehdr.e_shnum, sizeof(struct section)); -@@ -423,7 +457,7 @@ static void read_shdrs(FILE *fp) - - static void read_strtabs(FILE *fp) - { -- int i; -+ unsigned int i; - for (i = 0; i < ehdr.e_shnum; i++) { - struct section *sec = &secs[i]; - if (sec->shdr.sh_type != SHT_STRTAB) { -@@ -448,7 +482,7 @@ static void read_strtabs(FILE *fp) - - static void read_symtabs(FILE *fp) - { -- int i,j; -+ unsigned int i,j; - for (i = 0; i < ehdr.e_shnum; i++) { - struct section *sec = &secs[i]; - if (sec->shdr.sh_type != SHT_SYMTAB) { -@@ -479,9 +513,11 @@ static void read_symtabs(FILE *fp) - } - - --static void read_relocs(FILE *fp) -+static void read_relocs(FILE *fp, int use_real_mode) - { -- int i,j; -+ unsigned int i,j; -+ uint32_t base; -+ - for (i = 0; i < ehdr.e_shnum; i++) { - struct section *sec = &secs[i]; - if (sec->shdr.sh_type != SHT_REL_TYPE) { -@@ -501,9 +537,22 @@ static void read_relocs(FILE *fp) - die("Cannot read symbol table: %s\n", - strerror(errno)); - } -+ base = 0; -+ -+#ifdef CONFIG_X86_32 -+ for (j = 0; !use_real_mode && j < ehdr.e_phnum; j++) { -+ if (phdr[j].p_type != PT_LOAD ) -+ continue; -+ if (secs[sec->shdr.sh_info].shdr.sh_offset < phdr[j].p_offset || secs[sec->shdr.sh_info].shdr.sh_offset >= phdr[j].p_offset + phdr[j].p_filesz) -+ continue; -+ base = CONFIG_PAGE_OFFSET + phdr[j].p_paddr - phdr[j].p_vaddr; -+ break; -+ } -+#endif -+ - for (j = 0; j < sec->shdr.sh_size/sizeof(Elf_Rel); j++) { - Elf_Rel *rel = &sec->reltab[j]; -- rel->r_offset = elf_addr_to_cpu(rel->r_offset); -+ rel->r_offset = elf_addr_to_cpu(rel->r_offset) + base; - rel->r_info = elf_xword_to_cpu(rel->r_info); - #if (SHT_REL_TYPE == SHT_RELA) - rel->r_addend = elf_xword_to_cpu(rel->r_addend); -@@ -515,7 +564,7 @@ static void read_relocs(FILE *fp) - - static void print_absolute_symbols(void) - { -- int i; -+ unsigned int i; - const char *format; - - if (ELF_BITS == 64) -@@ -528,7 +577,7 @@ static void print_absolute_symbols(void) - for (i = 0; i < ehdr.e_shnum; i++) { - struct section *sec = &secs[i]; - char *sym_strtab; -- int j; -+ unsigned int j; - - if (sec->shdr.sh_type != SHT_SYMTAB) { - continue; -@@ -555,7 +604,7 @@ static void print_absolute_symbols(void) - - static void print_absolute_relocs(void) - { -- int i, printed = 0; -+ unsigned int i, printed = 0; - const char *format; - - if (ELF_BITS == 64) -@@ -568,7 +617,7 @@ static void print_absolute_relocs(void) - struct section *sec_applies, *sec_symtab; - char *sym_strtab; - Elf_Sym *sh_symtab; -- int j; -+ unsigned int j; - if (sec->shdr.sh_type != SHT_REL_TYPE) { - continue; - } -@@ -645,13 +694,13 @@ static void add_reloc(struct relocs *r, uint32_t offset) - static void walk_relocs(int (*process)(struct section *sec, Elf_Rel *rel, - Elf_Sym *sym, const char *symname)) - { -- int i; -+ unsigned int i; - /* Walk through the relocations */ - for (i = 0; i < ehdr.e_shnum; i++) { - char *sym_strtab; - Elf_Sym *sh_symtab; - struct section *sec_applies, *sec_symtab; -- int j; -+ unsigned int j; - struct section *sec = &secs[i]; - - if (sec->shdr.sh_type != SHT_REL_TYPE) { -@@ -697,7 +746,7 @@ static void walk_relocs(int (*process)(struct section *sec, Elf_Rel *rel, - * kernel data and does not require special treatment. - * - */ --static int per_cpu_shndx = -1; -+static unsigned int per_cpu_shndx = ~0; - static Elf_Addr per_cpu_load_addr; - - static void percpu_init(void) -@@ -830,6 +879,23 @@ static int do_reloc32(struct section *sec, Elf_Rel *rel, Elf_Sym *sym, - { - unsigned r_type = ELF32_R_TYPE(rel->r_info); - int shn_abs = (sym->st_shndx == SHN_ABS) && !is_reloc(S_REL, symname); -+ char *sym_strtab = sec->link->link->strtab; -+ -+ /* Don't relocate actual per-cpu variables, they are absolute indices, not addresses */ -+ if (!strcmp(sec_name(sym->st_shndx), ".data..percpu") && strcmp(sym_name(sym_strtab, sym), "__per_cpu_load")) -+ return 0; -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ /* Don't relocate actual code, they are relocated implicitly by the base address of KERNEL_CS */ -+ if (!strcmp(sec_name(sym->st_shndx), ".text.end") && !strcmp(sym_name(sym_strtab, sym), "_etext")) -+ return 0; -+ if (!strcmp(sec_name(sym->st_shndx), ".init.text")) -+ return 0; -+ if (!strcmp(sec_name(sym->st_shndx), ".exit.text")) -+ return 0; -+ if (!strcmp(sec_name(sym->st_shndx), ".text") && strcmp(sym_name(sym_strtab, sym), "__LOAD_PHYSICAL_ADDR")) -+ return 0; -+#endif - - switch (r_type) { - case R_386_NONE: -@@ -968,7 +1034,7 @@ static int write32_as_text(uint32_t v, FILE *f) - - static void emit_relocs(int as_text, int use_real_mode) - { -- int i; -+ unsigned int i; - int (*write_reloc)(uint32_t, FILE *) = write32; - int (*do_reloc)(struct section *sec, Elf_Rel *rel, Elf_Sym *sym, - const char *symname); -@@ -1078,10 +1144,11 @@ void process(FILE *fp, int use_real_mode, int as_text, - { - regex_init(use_real_mode); - read_ehdr(fp); -+ read_phdrs(fp); - read_shdrs(fp); - read_strtabs(fp); - read_symtabs(fp); -- read_relocs(fp); -+ read_relocs(fp, use_real_mode); - if (ELF_BITS == 64) - percpu_init(); - if (show_absolute_syms) { -diff --git a/arch/x86/um/mem_32.c b/arch/x86/um/mem_32.c -index 744afdc..a0b8a0d 100644 ---- a/arch/x86/um/mem_32.c -+++ b/arch/x86/um/mem_32.c -@@ -20,7 +20,7 @@ static int __init gate_vma_init(void) - gate_vma.vm_start = FIXADDR_USER_START; - gate_vma.vm_end = FIXADDR_USER_END; - gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC; -- gate_vma.vm_page_prot = __P101; -+ gate_vma.vm_page_prot = vm_get_page_prot(gate_vma.vm_flags); - - return 0; - } -diff --git a/arch/x86/um/tls_32.c b/arch/x86/um/tls_32.c -index 48e3858..ab4458c 100644 ---- a/arch/x86/um/tls_32.c -+++ b/arch/x86/um/tls_32.c -@@ -261,7 +261,7 @@ static int get_tls_entry(struct task_struct *task, struct user_desc *info, - if (unlikely(task == current && - !t->arch.tls_array[idx - GDT_ENTRY_TLS_MIN].flushed)) { - printk(KERN_ERR "get_tls_entry: task with pid %d got here " -- "without flushed TLS.", current->pid); -+ "without flushed TLS.", task_pid_nr(current)); - } - - return 0; -diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig -index c7b15f3..cc09a65 100644 ---- a/arch/x86/xen/Kconfig -+++ b/arch/x86/xen/Kconfig -@@ -10,6 +10,7 @@ config XEN - select XEN_HAVE_VPMU - depends on X86_64 || (X86_32 && X86_PAE) - depends on X86_LOCAL_APIC && X86_TSC -+ depends on !GRKERNSEC_CONFIG_AUTO || GRKERNSEC_CONFIG_VIRT_XEN - help - This is the Linux Xen port. Enabling this will allow the - kernel to boot in a paravirtualized environment under the -diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c -index bdd8556..4c0b9c7 100644 ---- a/arch/x86/xen/enlighten.c -+++ b/arch/x86/xen/enlighten.c -@@ -134,8 +134,6 @@ EXPORT_SYMBOL_GPL(xen_start_info); - - struct shared_info xen_dummy_shared_info; - --void *xen_initial_gdt; -- - RESERVE_BRK(shared_info_page_brk, PAGE_SIZE); - - static int xen_cpu_up_prepare(unsigned int cpu); -@@ -596,8 +594,7 @@ static void xen_load_gdt(const struct desc_ptr *dtr) - { - unsigned long va = dtr->address; - unsigned int size = dtr->size + 1; -- unsigned pages = DIV_ROUND_UP(size, PAGE_SIZE); -- unsigned long frames[pages]; -+ unsigned long frames[65536 / PAGE_SIZE]; - int f; - - /* -@@ -645,8 +642,7 @@ static void __init xen_load_gdt_boot(const struct desc_ptr *dtr) - { - unsigned long va = dtr->address; - unsigned int size = dtr->size + 1; -- unsigned pages = DIV_ROUND_UP(size, PAGE_SIZE); -- unsigned long frames[pages]; -+ unsigned long frames[(GDT_SIZE + PAGE_SIZE - 1) / PAGE_SIZE]; - int f; - - /* -@@ -654,7 +650,7 @@ static void __init xen_load_gdt_boot(const struct desc_ptr *dtr) - * 8-byte entries, or 16 4k pages.. - */ - -- BUG_ON(size > 65536); -+ BUG_ON(size > GDT_SIZE); - BUG_ON(va & ~PAGE_MASK); - - for (f = 0; va < dtr->address + size; va += PAGE_SIZE, f++) { -@@ -783,7 +779,7 @@ static int cvt_gate_to_trap(int vector, const gate_desc *val, - * so we should never see them. Warn if - * there's an unexpected IST-using fault handler. - */ -- if (addr == (unsigned long)debug) -+ if (addr == (unsigned long)int1) - addr = (unsigned long)xen_debug; - else if (addr == (unsigned long)int3) - addr = (unsigned long)xen_int3; -@@ -1138,6 +1134,13 @@ void xen_setup_shared_info(void) - xen_setup_mfn_list_list(); - } - -+#ifdef CONFIG_PAX_RAP -+PV_CALLEE_SAVE_REGS_THUNK(xen_save_fl_direct); -+PV_CALLEE_SAVE_REGS_THUNK(xen_restore_fl_direct); -+PV_CALLEE_SAVE_REGS_THUNK(xen_irq_disable_direct); -+PV_CALLEE_SAVE_REGS_THUNK(xen_irq_enable_direct); -+#endif -+ - /* This is called once we have the cpu_possible_mask */ - void xen_setup_vcpu_info_placement(void) - { -@@ -1153,10 +1156,10 @@ void xen_setup_vcpu_info_placement(void) - * percpu area for all cpus, so make use of it. Note that for - * PVH we want to use native IRQ mechanism. */ - if (have_vcpu_info_placement && !xen_pvh_domain()) { -- pv_irq_ops.save_fl = __PV_IS_CALLEE_SAVE(xen_save_fl_direct); -- pv_irq_ops.restore_fl = __PV_IS_CALLEE_SAVE(xen_restore_fl_direct); -- pv_irq_ops.irq_disable = __PV_IS_CALLEE_SAVE(xen_irq_disable_direct); -- pv_irq_ops.irq_enable = __PV_IS_CALLEE_SAVE(xen_irq_enable_direct); -+ pv_irq_ops.save_fl = __PV_IS_CALLEE_SAVE(save_fl, xen_save_fl_direct); -+ pv_irq_ops.restore_fl = __PV_IS_CALLEE_SAVE(restore_fl, xen_restore_fl_direct); -+ pv_irq_ops.irq_disable = __PV_IS_CALLEE_SAVE(irq_disable, xen_irq_disable_direct); -+ pv_irq_ops.irq_enable = __PV_IS_CALLEE_SAVE(irq_enable, xen_irq_enable_direct); - pv_mmu_ops.read_cr2 = xen_read_cr2_direct; - } - } -@@ -1291,7 +1294,7 @@ static const struct pv_cpu_ops xen_cpu_ops __initconst = { - .end_context_switch = xen_end_context_switch, - }; - --static void xen_reboot(int reason) -+static __noreturn void xen_reboot(int reason) - { - struct sched_shutdown r = { .reason = reason }; - int cpu; -@@ -1299,26 +1302,26 @@ static void xen_reboot(int reason) - for_each_online_cpu(cpu) - xen_pmu_finish(cpu); - -- if (HYPERVISOR_sched_op(SCHEDOP_shutdown, &r)) -- BUG(); -+ HYPERVISOR_sched_op(SCHEDOP_shutdown, &r); -+ BUG(); - } - --static void xen_restart(char *msg) -+static __noreturn void xen_restart(char *msg) - { - xen_reboot(SHUTDOWN_reboot); - } - --static void xen_emergency_restart(void) -+static __noreturn void xen_emergency_restart(void) - { - xen_reboot(SHUTDOWN_reboot); - } - --static void xen_machine_halt(void) -+static __noreturn void xen_machine_halt(void) - { - xen_reboot(SHUTDOWN_poweroff); - } - --static void xen_machine_power_off(void) -+static __noreturn void xen_machine_power_off(void) - { - if (pm_power_off) - pm_power_off(); -@@ -1472,8 +1475,11 @@ static void __ref xen_setup_gdt(int cpu) - pv_cpu_ops.write_gdt_entry = xen_write_gdt_entry_boot; - pv_cpu_ops.load_gdt = xen_load_gdt_boot; - -- setup_stack_canary_segment(0); -- switch_to_new_gdt(0); -+ setup_stack_canary_segment(cpu); -+#ifdef CONFIG_X86_64 -+ load_percpu_segment(cpu); -+#endif -+ switch_to_new_gdt(cpu); - - pv_cpu_ops.write_gdt_entry = xen_write_gdt_entry; - pv_cpu_ops.load_gdt = xen_load_gdt; -@@ -1606,9 +1612,6 @@ asmlinkage __visible void __init xen_start_kernel(void) - */ - __userpte_alloc_gfp &= ~__GFP_HIGHMEM; - -- /* Work out if we support NX */ -- x86_configure_nx(); -- - /* Get mfn list */ - xen_build_dynamic_phys_to_machine(); - -@@ -1618,6 +1621,19 @@ asmlinkage __visible void __init xen_start_kernel(void) - */ - xen_setup_gdt(0); - -+ /* Work out if we support NX */ -+#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) -+ if ((cpuid_eax(0x80000000) & 0xffff0000) == 0x80000000 && -+ (cpuid_edx(0x80000001) & (1U << (X86_FEATURE_NX & 31)))) { -+ unsigned l, h; -+ -+ __supported_pte_mask |= _PAGE_NX; -+ rdmsr(MSR_EFER, l, h); -+ l |= EFER_NX; -+ wrmsr(MSR_EFER, l, h); -+ } -+#endif -+ - xen_init_irq_ops(); - xen_init_cpuid_mask(); - -@@ -1635,13 +1651,6 @@ asmlinkage __visible void __init xen_start_kernel(void) - - machine_ops = xen_machine_ops; - -- /* -- * The only reliable way to retain the initial address of the -- * percpu gdt_page is to remember it here, so we can go and -- * mark it RW later, when the initial percpu area is freed. -- */ -- xen_initial_gdt = &per_cpu(gdt_page, 0); -- - xen_smp_init(); - - #ifdef CONFIG_ACPI_NUMA -diff --git a/arch/x86/xen/irq.c b/arch/x86/xen/irq.c -index 33e9295..7af61ba 100644 ---- a/arch/x86/xen/irq.c -+++ b/arch/x86/xen/irq.c -@@ -116,10 +116,10 @@ static void xen_halt(void) - } - - static const struct pv_irq_ops xen_irq_ops __initconst = { -- .save_fl = PV_CALLEE_SAVE(xen_save_fl), -- .restore_fl = PV_CALLEE_SAVE(xen_restore_fl), -- .irq_disable = PV_CALLEE_SAVE(xen_irq_disable), -- .irq_enable = PV_CALLEE_SAVE(xen_irq_enable), -+ .save_fl = PV_CALLEE_SAVE(save_fl, xen_save_fl), -+ .restore_fl = PV_CALLEE_SAVE(restore_fl, xen_restore_fl), -+ .irq_disable = PV_CALLEE_SAVE(irq_disable, xen_irq_disable), -+ .irq_enable = PV_CALLEE_SAVE(irq_enable, xen_irq_enable), - - .safe_halt = xen_safe_halt, - .halt = xen_halt, -diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c -index 7d5afdb..71fb27c 100644 ---- a/arch/x86/xen/mmu.c -+++ b/arch/x86/xen/mmu.c -@@ -64,6 +64,7 @@ - #include - #include - #include -+#include - - #include - #include -@@ -1940,7 +1941,14 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) - * L3_k[511] -> level2_fixmap_pgt */ - convert_pfn_mfn(level3_kernel_pgt); - -+ convert_pfn_mfn(level3_vmalloc_start_pgt[0]); -+ convert_pfn_mfn(level3_vmalloc_start_pgt[1]); -+ convert_pfn_mfn(level3_vmalloc_start_pgt[2]); -+ convert_pfn_mfn(level3_vmalloc_start_pgt[3]); -+ convert_pfn_mfn(level3_vmalloc_end_pgt); -+ convert_pfn_mfn(level3_vmemmap_pgt); - /* L3_k[511][506] -> level1_fixmap_pgt */ -+ /* L3_k[511][507] -> level1_vsyscall_pgt */ - convert_pfn_mfn(level2_fixmap_pgt); - } - /* We get [511][511] and have Xen's version of level2_kernel_pgt */ -@@ -1970,11 +1978,25 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) - set_page_prot(init_level4_pgt, PAGE_KERNEL_RO); - set_page_prot(level3_ident_pgt, PAGE_KERNEL_RO); - set_page_prot(level3_kernel_pgt, PAGE_KERNEL_RO); -+ set_page_prot(level3_vmalloc_start_pgt[0], PAGE_KERNEL_RO); -+ set_page_prot(level3_vmalloc_start_pgt[1], PAGE_KERNEL_RO); -+ set_page_prot(level3_vmalloc_start_pgt[2], PAGE_KERNEL_RO); -+ set_page_prot(level3_vmalloc_start_pgt[3], PAGE_KERNEL_RO); -+ set_page_prot(level3_vmalloc_end_pgt, PAGE_KERNEL_RO); -+ set_page_prot(level3_vmemmap_pgt, PAGE_KERNEL_RO); - set_page_prot(level3_user_vsyscall, PAGE_KERNEL_RO); - set_page_prot(level2_ident_pgt, PAGE_KERNEL_RO); -+ set_page_prot(level2_vmemmap_pgt, PAGE_KERNEL_RO); - set_page_prot(level2_kernel_pgt, PAGE_KERNEL_RO); - set_page_prot(level2_fixmap_pgt, PAGE_KERNEL_RO); -- set_page_prot(level1_fixmap_pgt, PAGE_KERNEL_RO); -+ set_page_prot(level1_modules_pgt[0], PAGE_KERNEL_RO); -+ set_page_prot(level1_modules_pgt[1], PAGE_KERNEL_RO); -+ set_page_prot(level1_modules_pgt[2], PAGE_KERNEL_RO); -+ set_page_prot(level1_modules_pgt[3], PAGE_KERNEL_RO); -+ set_page_prot(level1_fixmap_pgt[0], PAGE_KERNEL_RO); -+ set_page_prot(level1_fixmap_pgt[1], PAGE_KERNEL_RO); -+ set_page_prot(level1_fixmap_pgt[2], PAGE_KERNEL_RO); -+ set_page_prot(level1_vsyscall_pgt, PAGE_KERNEL_RO); - - /* Pin down new L4 */ - pin_pagetable_pfn(MMUEXT_PIN_L4_TABLE, -@@ -2385,6 +2407,7 @@ static void __init xen_post_allocator_init(void) - pv_mmu_ops.set_pud = xen_set_pud; - #if CONFIG_PGTABLE_LEVELS == 4 - pv_mmu_ops.set_pgd = xen_set_pgd; -+ pv_mmu_ops.set_pgd_batched = xen_set_pgd; - #endif - - /* This will work as long as patching hasn't happened yet -@@ -2397,7 +2420,7 @@ static void __init xen_post_allocator_init(void) - pv_mmu_ops.alloc_pud = xen_alloc_pud; - pv_mmu_ops.release_pud = xen_release_pud; - #endif -- pv_mmu_ops.make_pte = PV_CALLEE_SAVE(xen_make_pte); -+ pv_mmu_ops.make_pte = PV_CALLEE_SAVE(make_pte, xen_make_pte); - - #ifdef CONFIG_X86_64 - pv_mmu_ops.write_cr3 = &xen_write_cr3; -@@ -2414,6 +2437,10 @@ static void xen_leave_lazy_mmu(void) - preempt_enable(); - } - -+static void xen_pte_update(struct mm_struct *mm, unsigned long addr, pte_t *ptep) -+{ -+} -+ - static const struct pv_mmu_ops xen_mmu_ops __initconst = { - .read_cr2 = xen_read_cr2, - .write_cr2 = xen_write_cr2, -@@ -2426,7 +2453,7 @@ static const struct pv_mmu_ops xen_mmu_ops __initconst = { - .flush_tlb_single = xen_flush_tlb_single, - .flush_tlb_others = xen_flush_tlb_others, - -- .pte_update = paravirt_nop, -+ .pte_update = xen_pte_update, - - .pgd_alloc = xen_pgd_alloc, - .pgd_free = xen_pgd_free, -@@ -2443,11 +2470,11 @@ static const struct pv_mmu_ops xen_mmu_ops __initconst = { - .ptep_modify_prot_start = __ptep_modify_prot_start, - .ptep_modify_prot_commit = __ptep_modify_prot_commit, - -- .pte_val = PV_CALLEE_SAVE(xen_pte_val), -- .pgd_val = PV_CALLEE_SAVE(xen_pgd_val), -+ .pte_val = PV_CALLEE_SAVE(pte_val, xen_pte_val), -+ .pgd_val = PV_CALLEE_SAVE(pgd_val, xen_pgd_val), - -- .make_pte = PV_CALLEE_SAVE(xen_make_pte_init), -- .make_pgd = PV_CALLEE_SAVE(xen_make_pgd), -+ .make_pte = PV_CALLEE_SAVE(make_pte, xen_make_pte_init), -+ .make_pgd = PV_CALLEE_SAVE(make_pgd, xen_make_pgd), - - #ifdef CONFIG_X86_PAE - .set_pte_atomic = xen_set_pte_atomic, -@@ -2456,13 +2483,14 @@ static const struct pv_mmu_ops xen_mmu_ops __initconst = { - #endif /* CONFIG_X86_PAE */ - .set_pud = xen_set_pud_hyper, - -- .make_pmd = PV_CALLEE_SAVE(xen_make_pmd), -- .pmd_val = PV_CALLEE_SAVE(xen_pmd_val), -+ .make_pmd = PV_CALLEE_SAVE(make_pmd, xen_make_pmd), -+ .pmd_val = PV_CALLEE_SAVE(pmd_val, xen_pmd_val), - - #if CONFIG_PGTABLE_LEVELS == 4 -- .pud_val = PV_CALLEE_SAVE(xen_pud_val), -- .make_pud = PV_CALLEE_SAVE(xen_make_pud), -+ .pud_val = PV_CALLEE_SAVE(pud_val, xen_pud_val), -+ .make_pud = PV_CALLEE_SAVE(make_pud, xen_make_pud), - .set_pgd = xen_set_pgd_hyper, -+ .set_pgd_batched = xen_set_pgd_hyper, - - .alloc_pud = xen_alloc_pmd_init, - .release_pud = xen_release_pmd_init, -diff --git a/arch/x86/xen/pmu.c b/arch/x86/xen/pmu.c -index b9fc525..1368a4d 100644 ---- a/arch/x86/xen/pmu.c -+++ b/arch/x86/xen/pmu.c -@@ -444,6 +444,7 @@ static unsigned long xen_get_guest_ip(void) - return 0; - } - -+ // TODO: adjust with the segment base - return xenpmu_data->pmu.r.regs.ip; - } - -diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c -index 311acad..89be7c8 100644 ---- a/arch/x86/xen/smp.c -+++ b/arch/x86/xen/smp.c -@@ -306,17 +306,13 @@ static void __init xen_smp_prepare_boot_cpu(void) - - if (xen_pv_domain()) { - if (!xen_feature(XENFEAT_writable_page_tables)) -- /* We've switched to the "real" per-cpu gdt, so make -- * sure the old memory can be recycled. */ -- make_lowmem_page_readwrite(xen_initial_gdt); -- - #ifdef CONFIG_X86_32 - /* - * Xen starts us with XEN_FLAT_RING1_DS, but linux code - * expects __USER_DS - */ -- loadsegment(ds, __USER_DS); -- loadsegment(es, __USER_DS); -+ loadsegment(ds, __KERNEL_DS); -+ loadsegment(es, __KERNEL_DS); - #endif - - xen_filter_cpu_maps(); -@@ -406,7 +402,7 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle) - #ifdef CONFIG_X86_32 - /* Note: PVH is not yet supported on x86_32. */ - ctxt->user_regs.fs = __KERNEL_PERCPU; -- ctxt->user_regs.gs = __KERNEL_STACK_CANARY; -+ savesegment(gs, ctxt->user_regs.gs); - #endif - memset(&ctxt->fpu_ctxt, 0, sizeof(ctxt->fpu_ctxt)); - -@@ -414,8 +410,8 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle) - ctxt->user_regs.eip = (unsigned long)cpu_bringup_and_idle; - ctxt->flags = VGCF_IN_KERNEL; - ctxt->user_regs.eflags = 0x1000; /* IOPL_RING1 */ -- ctxt->user_regs.ds = __USER_DS; -- ctxt->user_regs.es = __USER_DS; -+ ctxt->user_regs.ds = __KERNEL_DS; -+ ctxt->user_regs.es = __KERNEL_DS; - ctxt->user_regs.ss = __KERNEL_DS; - - xen_copy_trap_info(ctxt->trap_ctxt); -@@ -751,7 +747,7 @@ static const struct smp_ops xen_smp_ops __initconst = { - - void __init xen_smp_init(void) - { -- smp_ops = xen_smp_ops; -+ memcpy((void *)&smp_ops, &xen_smp_ops, sizeof smp_ops); - xen_fill_possible_map(); - } - -diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c -index 3d6e006..021e1bd 100644 ---- a/arch/x86/xen/spinlock.c -+++ b/arch/x86/xen/spinlock.c -@@ -134,7 +134,7 @@ void __init xen_init_spinlocks(void) - - __pv_init_lock_hash(); - pv_lock_ops.queued_spin_lock_slowpath = __pv_queued_spin_lock_slowpath; -- pv_lock_ops.queued_spin_unlock = PV_CALLEE_SAVE(__pv_queued_spin_unlock); -+ pv_lock_ops.queued_spin_unlock = PV_CALLEE_SAVE(queued_spin_unlock, __pv_queued_spin_unlock); - pv_lock_ops.wait = xen_qlock_wait; - pv_lock_ops.kick = xen_qlock_kick; - } -diff --git a/arch/x86/xen/xen-asm.S b/arch/x86/xen/xen-asm.S -index eff224d..ab792d2 100644 ---- a/arch/x86/xen/xen-asm.S -+++ b/arch/x86/xen/xen-asm.S -@@ -15,6 +15,7 @@ - #include - #include - #include -+#include - - #include "xen-asm.h" - -@@ -23,7 +24,7 @@ - * event status with one and operation. If there are pending events, - * then enter the hypervisor to get them handled. - */ --ENTRY(xen_irq_enable_direct) -+RAP_ENTRY(xen_irq_enable_direct) - FRAME_BEGIN - /* Unmask events */ - movb $0, PER_CPU_VAR(xen_vcpu_info) + XEN_vcpu_info_mask -@@ -42,7 +43,7 @@ ENTRY(xen_irq_enable_direct) - 1: - ENDPATCH(xen_irq_enable_direct) - FRAME_END -- ret -+ pax_ret xen_irq_enable_direct - ENDPROC(xen_irq_enable_direct) - RELOC(xen_irq_enable_direct, 2b+1) - -@@ -51,10 +52,10 @@ ENDPATCH(xen_irq_enable_direct) - * Disabling events is simply a matter of making the event mask - * non-zero. - */ --ENTRY(xen_irq_disable_direct) -+RAP_ENTRY(xen_irq_disable_direct) - movb $1, PER_CPU_VAR(xen_vcpu_info) + XEN_vcpu_info_mask - ENDPATCH(xen_irq_disable_direct) -- ret -+ pax_ret xen_irq_disable_direct - ENDPROC(xen_irq_disable_direct) - RELOC(xen_irq_disable_direct, 0) - -@@ -67,12 +68,12 @@ ENDPATCH(xen_irq_disable_direct) - * undefined. We need to toggle the state of the bit, because Xen and - * x86 use opposite senses (mask vs enable). - */ --ENTRY(xen_save_fl_direct) -+RAP_ENTRY(xen_save_fl_direct) - testb $0xff, PER_CPU_VAR(xen_vcpu_info) + XEN_vcpu_info_mask - setz %ah - addb %ah, %ah - ENDPATCH(xen_save_fl_direct) -- ret -+ pax_ret xen_save_fl_direct - ENDPROC(xen_save_fl_direct) - RELOC(xen_save_fl_direct, 0) - -@@ -84,7 +85,7 @@ ENDPATCH(xen_save_fl_direct) - * interrupt mask state, it checks for unmasked pending events and - * enters the hypervisor to get them delivered if so. - */ --ENTRY(xen_restore_fl_direct) -+RAP_ENTRY(xen_restore_fl_direct) - FRAME_BEGIN - #ifdef CONFIG_X86_64 - testw $X86_EFLAGS_IF, %di -@@ -105,7 +106,7 @@ ENTRY(xen_restore_fl_direct) - 1: - ENDPATCH(xen_restore_fl_direct) - FRAME_END -- ret -+ pax_ret xen_restore_fl_direct - ENDPROC(xen_restore_fl_direct) - RELOC(xen_restore_fl_direct, 2b+1) - -@@ -120,7 +121,7 @@ ENTRY(check_events) - push %eax - push %ecx - push %edx -- call xen_force_evtchn_callback -+ pax_direct_call xen_force_evtchn_callback - pop %edx - pop %ecx - pop %eax -@@ -134,7 +135,7 @@ ENTRY(check_events) - push %r9 - push %r10 - push %r11 -- call xen_force_evtchn_callback -+ pax_direct_call xen_force_evtchn_callback - pop %r11 - pop %r10 - pop %r9 -@@ -146,5 +147,5 @@ ENTRY(check_events) - pop %rax - #endif - FRAME_END -- ret -+ pax_ret check_events - ENDPROC(check_events) -diff --git a/arch/x86/xen/xen-asm_32.S b/arch/x86/xen/xen-asm_32.S -index feb6d40..4292c19 100644 ---- a/arch/x86/xen/xen-asm_32.S -+++ b/arch/x86/xen/xen-asm_32.S -@@ -15,6 +15,7 @@ - #include - #include - #include -+#include - - #include - -@@ -28,7 +29,7 @@ check_events: - push %eax - push %ecx - push %edx -- call xen_force_evtchn_callback -+ pax_direct_call xen_force_evtchn_callback - pop %edx - pop %ecx - pop %eax -@@ -85,7 +86,7 @@ ENTRY(xen_iret) - pushw %fs - movl $(__KERNEL_PERCPU), %eax - movl %eax, %fs -- movl %fs:xen_vcpu, %eax -+ mov PER_CPU_VAR(xen_vcpu), %eax - POP_FS - #else - movl %ss:xen_vcpu, %eax -diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S -index 7f8d8ab..3032b77 100644 ---- a/arch/x86/xen/xen-head.S -+++ b/arch/x86/xen/xen-head.S -@@ -8,6 +8,7 @@ - - #include - #include -+#include - #include - - #include -@@ -50,6 +51,18 @@ ENTRY(startup_xen) - mov %_ASM_SI, xen_start_info - mov $init_thread_union+THREAD_SIZE, %_ASM_SP - -+#if defined(CONFIG_X86_32) && defined(CONFIG_SMP) -+ movl $cpu_gdt_table,%edi -+ movl $__per_cpu_load,%eax -+ movw %ax,__KERNEL_PERCPU + 2(%edi) -+ rorl $16,%eax -+ movb %al,__KERNEL_PERCPU + 4(%edi) -+ movb %ah,__KERNEL_PERCPU + 7(%edi) -+ movl $__per_cpu_end - 1,%eax -+ subl $__per_cpu_start,%eax -+ movw %ax,__KERNEL_PERCPU + 0(%edi) -+#endif -+ - jmp xen_start_kernel - - __FINIT -@@ -85,7 +98,7 @@ ENTRY(xen_pvh_early_cpu_init) - cmp $0, %r11b - jne cpu_bringup_and_idle - #endif -- ret -+ pax_ret xen_pvh_early_cpu_init - - #endif /* CONFIG_XEN_PVH */ - -diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h -index 3cbce3b..c58120b 100644 ---- a/arch/x86/xen/xen-ops.h -+++ b/arch/x86/xen/xen-ops.h -@@ -16,8 +16,6 @@ void xen_syscall_target(void); - void xen_syscall32_target(void); - #endif - --extern void *xen_initial_gdt; -- - struct trap_info; - void xen_copy_trap_info(struct trap_info *traps); - -@@ -133,9 +131,9 @@ static inline void __init xen_efi_init(void) - extern char name##_end[] __visible; \ - extern char name##_reloc[] __visible - --DECL_ASM(void, xen_irq_enable_direct, void); --DECL_ASM(void, xen_irq_disable_direct, void); --DECL_ASM(unsigned long, xen_save_fl_direct, void); -+DECL_ASM(asmlinkage void, xen_irq_enable_direct, void); -+DECL_ASM(asmlinkage void, xen_irq_disable_direct, void); -+DECL_ASM(asmlinkage unsigned long, xen_save_fl_direct, void); - DECL_ASM(void, xen_restore_fl_direct, unsigned long); - - /* These are not functions, and cannot be called normally */ -diff --git a/arch/xtensa/variants/dc232b/include/variant/core.h b/arch/xtensa/variants/dc232b/include/variant/core.h -index 525bd3d..ef888b1 100644 ---- a/arch/xtensa/variants/dc232b/include/variant/core.h -+++ b/arch/xtensa/variants/dc232b/include/variant/core.h -@@ -119,9 +119,9 @@ - ----------------------------------------------------------------------*/ - - #define XCHAL_ICACHE_LINESIZE 32 /* I-cache line size in bytes */ --#define XCHAL_DCACHE_LINESIZE 32 /* D-cache line size in bytes */ - #define XCHAL_ICACHE_LINEWIDTH 5 /* log2(I line size in bytes) */ - #define XCHAL_DCACHE_LINEWIDTH 5 /* log2(D line size in bytes) */ -+#define XCHAL_DCACHE_LINESIZE (_AC(1,UL) << XCHAL_DCACHE_LINEWIDTH) /* D-cache line size in bytes */ - - #define XCHAL_ICACHE_SIZE 16384 /* I-cache size in bytes or 0 */ - #define XCHAL_DCACHE_SIZE 16384 /* D-cache size in bytes or 0 */ -diff --git a/arch/xtensa/variants/fsf/include/variant/core.h b/arch/xtensa/variants/fsf/include/variant/core.h -index 2f33760..835e50a 100644 ---- a/arch/xtensa/variants/fsf/include/variant/core.h -+++ b/arch/xtensa/variants/fsf/include/variant/core.h -@@ -11,6 +11,7 @@ - #ifndef _XTENSA_CORE_H - #define _XTENSA_CORE_H - -+#include - - /**************************************************************************** - Parameters Useful for Any Code, USER or PRIVILEGED -@@ -112,9 +113,9 @@ - ----------------------------------------------------------------------*/ - - #define XCHAL_ICACHE_LINESIZE 16 /* I-cache line size in bytes */ --#define XCHAL_DCACHE_LINESIZE 16 /* D-cache line size in bytes */ - #define XCHAL_ICACHE_LINEWIDTH 4 /* log2(I line size in bytes) */ - #define XCHAL_DCACHE_LINEWIDTH 4 /* log2(D line size in bytes) */ -+#define XCHAL_DCACHE_LINESIZE (_AC(1,UL) << XCHAL_DCACHE_LINEWIDTH) /* D-cache line size in bytes */ - - #define XCHAL_ICACHE_SIZE 8192 /* I-cache size in bytes or 0 */ - #define XCHAL_DCACHE_SIZE 8192 /* D-cache size in bytes or 0 */ -diff --git a/block/bio.c b/block/bio.c -index 655c901..09ce39c 100644 ---- a/block/bio.c -+++ b/block/bio.c -@@ -1151,7 +1151,7 @@ struct bio *bio_copy_user_iov(struct request_queue *q, - /* - * Overflow, abort - */ -- if (end < start) -+ if (end < start || end - start > INT_MAX - nr_pages) - return ERR_PTR(-EINVAL); - - nr_pages += end - start; -@@ -1276,7 +1276,7 @@ struct bio *bio_map_user_iov(struct request_queue *q, - /* - * Overflow, abort - */ -- if (end < start) -+ if (end < start || end - start > INT_MAX - nr_pages) - return ERR_PTR(-EINVAL); - - nr_pages += end - start; -@@ -1784,7 +1784,7 @@ EXPORT_SYMBOL(bio_endio); - * to @bio's bi_io_vec; it is the caller's responsibility to ensure that - * @bio is not freed before the split. - */ --struct bio *bio_split(struct bio *bio, int sectors, -+struct bio *bio_split(struct bio *bio, unsigned int sectors, - gfp_t gfp, struct bio_set *bs) - { - struct bio *split = NULL; -diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c -index b08ccbb..87fe492 100644 ---- a/block/blk-cgroup.c -+++ b/block/blk-cgroup.c -@@ -561,10 +561,10 @@ u64 __blkg_prfill_rwstat(struct seq_file *sf, struct blkg_policy_data *pd, - - for (i = 0; i < BLKG_RWSTAT_NR; i++) - seq_printf(sf, "%s %s %llu\n", dname, rwstr[i], -- (unsigned long long)atomic64_read(&rwstat->aux_cnt[i])); -+ (unsigned long long)atomic64_read_unchecked(&rwstat->aux_cnt[i])); - -- v = atomic64_read(&rwstat->aux_cnt[BLKG_RWSTAT_READ]) + -- atomic64_read(&rwstat->aux_cnt[BLKG_RWSTAT_WRITE]); -+ v = atomic64_read_unchecked(&rwstat->aux_cnt[BLKG_RWSTAT_READ]) + -+ atomic64_read_unchecked(&rwstat->aux_cnt[BLKG_RWSTAT_WRITE]); - seq_printf(sf, "%s Total %llu\n", dname, (unsigned long long)v); - return v; - } -@@ -716,7 +716,7 @@ u64 blkg_stat_recursive_sum(struct blkcg_gq *blkg, - else - stat = (void *)blkg + off; - -- sum += blkg_stat_read(stat) + atomic64_read(&stat->aux_cnt); -+ sum += blkg_stat_read(stat) + atomic64_read_unchecked(&stat->aux_cnt); - } - rcu_read_unlock(); - -@@ -760,7 +760,7 @@ struct blkg_rwstat blkg_rwstat_recursive_sum(struct blkcg_gq *blkg, - rwstat = (void *)pos_blkg + off; - - for (i = 0; i < BLKG_RWSTAT_NR; i++) -- atomic64_add(atomic64_read(&rwstat->aux_cnt[i]) + -+ atomic64_add_unchecked(atomic64_read_unchecked(&rwstat->aux_cnt[i]) + - percpu_counter_sum_positive(&rwstat->cpu_cnt[i]), - &sum.aux_cnt[i]); - } -@@ -886,13 +886,13 @@ static int blkcg_print_stat(struct seq_file *sf, void *v) - - rwstat = blkg_rwstat_recursive_sum(blkg, NULL, - offsetof(struct blkcg_gq, stat_bytes)); -- rbytes = atomic64_read(&rwstat.aux_cnt[BLKG_RWSTAT_READ]); -- wbytes = atomic64_read(&rwstat.aux_cnt[BLKG_RWSTAT_WRITE]); -+ rbytes = atomic64_read_unchecked(&rwstat.aux_cnt[BLKG_RWSTAT_READ]); -+ wbytes = atomic64_read_unchecked(&rwstat.aux_cnt[BLKG_RWSTAT_WRITE]); - - rwstat = blkg_rwstat_recursive_sum(blkg, NULL, - offsetof(struct blkcg_gq, stat_ios)); -- rios = atomic64_read(&rwstat.aux_cnt[BLKG_RWSTAT_READ]); -- wios = atomic64_read(&rwstat.aux_cnt[BLKG_RWSTAT_WRITE]); -+ rios = atomic64_read_unchecked(&rwstat.aux_cnt[BLKG_RWSTAT_READ]); -+ wios = atomic64_read_unchecked(&rwstat.aux_cnt[BLKG_RWSTAT_WRITE]); - - spin_unlock_irq(blkg->q->queue_lock); - -diff --git a/block/blk-core.c b/block/blk-core.c -index d1f2801..41bbb9a 100644 ---- a/block/blk-core.c -+++ b/block/blk-core.c -@@ -3562,8 +3562,11 @@ int __init blk_dev_init(void) - if (!kblockd_workqueue) - panic("Failed to create kblockd\n"); - -- request_cachep = kmem_cache_create("blkdev_requests", -- sizeof(struct request), 0, SLAB_PANIC, NULL); -+ request_cachep = kmem_cache_create_usercopy("blkdev_requests", -+ sizeof(struct request), 0, SLAB_PANIC, -+ offsetof(struct request, __cmd), -+ sizeof(((struct request *)0)->__cmd), -+ NULL); - - blk_requestq_cachep = kmem_cache_create("request_queue", - sizeof(struct request_queue), 0, SLAB_PANIC, NULL); -diff --git a/block/blk-map.c b/block/blk-map.c -index 27fd8d92..c03179e 100644 ---- a/block/blk-map.c -+++ b/block/blk-map.c -@@ -223,7 +223,7 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf, - if (!len || !kbuf) - return -EINVAL; - -- do_copy = !blk_rq_aligned(q, addr, len) || object_is_on_stack(kbuf); -+ do_copy = !blk_rq_aligned(q, addr, len) || object_starts_on_stack(kbuf); - if (do_copy) - bio = bio_copy_kern(q, kbuf, len, gfp_mask, reading); - else -diff --git a/block/blk-softirq.c b/block/blk-softirq.c -index 06cf980..3eb814a 100644 ---- a/block/blk-softirq.c -+++ b/block/blk-softirq.c -@@ -18,7 +18,7 @@ static DEFINE_PER_CPU(struct list_head, blk_cpu_done); - * Softirq action handler - move entries to local list and loop over them - * while passing them to the queue registered handler. - */ --static __latent_entropy void blk_done_softirq(struct softirq_action *h) -+static __latent_entropy void blk_done_softirq(void) - { - struct list_head *cpu_list, local_list; - -diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c -index 3ab6807..e3e68f0 100644 ---- a/block/cfq-iosched.c -+++ b/block/cfq-iosched.c -@@ -1965,8 +1965,8 @@ static u64 cfqg_prfill_sectors_recursive(struct seq_file *sf, - { - struct blkg_rwstat tmp = blkg_rwstat_recursive_sum(pd->blkg, NULL, - offsetof(struct blkcg_gq, stat_bytes)); -- u64 sum = atomic64_read(&tmp.aux_cnt[BLKG_RWSTAT_READ]) + -- atomic64_read(&tmp.aux_cnt[BLKG_RWSTAT_WRITE]); -+ u64 sum = atomic64_read_unchecked(&tmp.aux_cnt[BLKG_RWSTAT_READ]) + -+ atomic64_read_unchecked(&tmp.aux_cnt[BLKG_RWSTAT_WRITE]); - - return __blkg_prfill_u64(sf, pd, sum >> 9); - } -diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c -index 556826a..4e7c5fd 100644 ---- a/block/compat_ioctl.c -+++ b/block/compat_ioctl.c -@@ -156,7 +156,7 @@ static int compat_cdrom_generic_command(struct block_device *bdev, fmode_t mode, - cgc = compat_alloc_user_space(sizeof(*cgc)); - cgc32 = compat_ptr(arg); - -- if (copy_in_user(&cgc->cmd, &cgc32->cmd, sizeof(cgc->cmd)) || -+ if (copy_in_user(cgc->cmd, cgc32->cmd, sizeof(cgc->cmd)) || - get_user(data, &cgc32->buffer) || - put_user(compat_ptr(data), &cgc->buffer) || - copy_in_user(&cgc->buflen, &cgc32->buflen, -@@ -341,7 +341,7 @@ static int compat_fd_ioctl(struct block_device *bdev, fmode_t mode, - err |= __get_user(f->spec1, &uf->spec1); - err |= __get_user(f->fmt_gap, &uf->fmt_gap); - err |= __get_user(name, &uf->name); -- f->name = compat_ptr(name); -+ f->name = (void __force_kernel *)compat_ptr(name); - if (err) { - err = -EFAULT; - goto out; -diff --git a/block/genhd.c b/block/genhd.c -index fcd6d4f..96e433b 100644 ---- a/block/genhd.c -+++ b/block/genhd.c -@@ -471,21 +471,24 @@ static char *bdevt_str(dev_t devt, char *buf) - - /* - * Register device numbers dev..(dev+range-1) -- * range must be nonzero -+ * Noop if @range is zero. - * The hash chain is sorted on range, so that subranges can override. - */ - void blk_register_region(dev_t devt, unsigned long range, struct module *module, - struct kobject *(*probe)(dev_t, int *, void *), - int (*lock)(dev_t, void *), void *data) - { -- kobj_map(bdev_map, devt, range, module, probe, lock, data); -+ if (range) -+ kobj_map(bdev_map, devt, range, module, probe, lock, data); - } - - EXPORT_SYMBOL(blk_register_region); - -+/* undo blk_register_region(), noop if @range is zero */ - void blk_unregister_region(dev_t devt, unsigned long range) - { -- kobj_unmap(bdev_map, devt, range); -+ if (range) -+ kobj_unmap(bdev_map, devt, range); - } - - EXPORT_SYMBOL(blk_unregister_region); -diff --git a/block/partitions/efi.c b/block/partitions/efi.c -index bcd86e5..fe457ef 100644 ---- a/block/partitions/efi.c -+++ b/block/partitions/efi.c -@@ -293,14 +293,14 @@ static gpt_entry *alloc_read_gpt_entries(struct parsed_partitions *state, - if (!gpt) - return NULL; - -+ if (!le32_to_cpu(gpt->num_partition_entries)) -+ return NULL; -+ pte = kcalloc(le32_to_cpu(gpt->num_partition_entries), le32_to_cpu(gpt->sizeof_partition_entry), GFP_KERNEL); -+ if (!pte) -+ return NULL; -+ - count = le32_to_cpu(gpt->num_partition_entries) * - le32_to_cpu(gpt->sizeof_partition_entry); -- if (!count) -- return NULL; -- pte = kmalloc(count, GFP_KERNEL); -- if (!pte) -- return NULL; -- - if (read_lba(state, le64_to_cpu(gpt->partition_entry_lba), - (u8 *) pte, count) < count) { - kfree(pte); -diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c -index c6fee74..49c7f8f 100644 ---- a/block/scsi_ioctl.c -+++ b/block/scsi_ioctl.c -@@ -67,7 +67,7 @@ static int scsi_get_bus(struct request_queue *q, int __user *p) - return put_user(0, p); - } - --static int sg_get_timeout(struct request_queue *q) -+static int __intentional_overflow(-1) sg_get_timeout(struct request_queue *q) - { - return jiffies_to_clock_t(q->sg_timeout); - } -diff --git a/crypto/cast6_generic.c b/crypto/cast6_generic.c -index 058c8d7..55229dd 100644 ---- a/crypto/cast6_generic.c -+++ b/crypto/cast6_generic.c -@@ -181,8 +181,9 @@ static inline void QBAR(u32 *block, u8 *Kr, u32 *Km) - block[2] ^= F1(block[3], Kr[0], Km[0]); - } - --void __cast6_encrypt(struct cast6_ctx *c, u8 *outbuf, const u8 *inbuf) -+void __cast6_encrypt(void *_c, u8 *outbuf, const u8 *inbuf) - { -+ struct cast6_ctx *c = _c; - const __be32 *src = (const __be32 *)inbuf; - __be32 *dst = (__be32 *)outbuf; - u32 block[4]; -@@ -219,8 +220,9 @@ static void cast6_encrypt(struct crypto_tfm *tfm, u8 *outbuf, const u8 *inbuf) - __cast6_encrypt(crypto_tfm_ctx(tfm), outbuf, inbuf); - } - --void __cast6_decrypt(struct cast6_ctx *c, u8 *outbuf, const u8 *inbuf) -+void __cast6_decrypt(void *_c, u8 *outbuf, const u8 *inbuf) - { -+ struct cast6_ctx *c = _c; - const __be32 *src = (const __be32 *)inbuf; - __be32 *dst = (__be32 *)outbuf; - u32 block[4]; -diff --git a/crypto/cryptd.c b/crypto/cryptd.c -index 0c654e5..cf01e3e 100644 ---- a/crypto/cryptd.c -+++ b/crypto/cryptd.c -@@ -65,7 +65,7 @@ struct cryptd_blkcipher_ctx { - - struct cryptd_blkcipher_request_ctx { - crypto_completion_t complete; --}; -+} __no_const; - - struct cryptd_hash_ctx { - atomic_t refcnt; -@@ -84,7 +84,7 @@ struct cryptd_aead_ctx { - - struct cryptd_aead_request_ctx { - crypto_completion_t complete; --}; -+} __no_const; - - static void cryptd_queue_worker(struct work_struct *work); - -diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c -index 1c57054..e029935 100644 ---- a/crypto/crypto_user.c -+++ b/crypto/crypto_user.c -@@ -490,7 +490,7 @@ static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) - dump_alloc += CRYPTO_REPORT_MAXSIZE; - - { -- struct netlink_dump_control c = { -+ netlink_dump_control_no_const c = { - .dump = link->dump, - .done = link->done, - .min_dump_alloc = dump_alloc, -diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c -index ee9cfb9..30b36ed 100644 ---- a/crypto/pcrypt.c -+++ b/crypto/pcrypt.c -@@ -392,7 +392,7 @@ static int pcrypt_sysfs_add(struct padata_instance *pinst, const char *name) - int ret; - - pinst->kobj.kset = pcrypt_kset; -- ret = kobject_add(&pinst->kobj, NULL, name); -+ ret = kobject_add(&pinst->kobj, NULL, "%s", name); - if (!ret) - kobject_uevent(&pinst->kobj, KOBJ_ADD); - -diff --git a/crypto/salsa20_generic.c b/crypto/salsa20_generic.c -index f550b5d..8488beb 100644 ---- a/crypto/salsa20_generic.c -+++ b/crypto/salsa20_generic.c -@@ -104,7 +104,7 @@ static void salsa20_wordtobyte(u8 output[64], const u32 input[16]) - static const char sigma[16] = "expand 32-byte k"; - static const char tau[16] = "expand 16-byte k"; - --static void salsa20_keysetup(struct salsa20_ctx *ctx, const u8 *k, u32 kbytes) -+static void __salsa20_keysetup(struct salsa20_ctx *ctx, const u8 *k, u32 kbytes) - { - const char *constants; - -@@ -128,7 +128,7 @@ static void salsa20_keysetup(struct salsa20_ctx *ctx, const u8 *k, u32 kbytes) - ctx->input[15] = U8TO32_LITTLE(constants + 12); - } - --static void salsa20_ivsetup(struct salsa20_ctx *ctx, const u8 *iv) -+static void __salsa20_ivsetup(struct salsa20_ctx *ctx, const u8 *iv) - { - ctx->input[6] = U8TO32_LITTLE(iv + 0); - ctx->input[7] = U8TO32_LITTLE(iv + 4); -@@ -136,7 +136,7 @@ static void salsa20_ivsetup(struct salsa20_ctx *ctx, const u8 *iv) - ctx->input[9] = 0; - } - --static void salsa20_encrypt_bytes(struct salsa20_ctx *ctx, u8 *dst, -+static void __salsa20_encrypt_bytes(struct salsa20_ctx *ctx, u8 *dst, - const u8 *src, unsigned int bytes) - { - u8 buf[64]; -@@ -170,7 +170,7 @@ static int setkey(struct crypto_tfm *tfm, const u8 *key, - unsigned int keysize) - { - struct salsa20_ctx *ctx = crypto_tfm_ctx(tfm); -- salsa20_keysetup(ctx, key, keysize); -+ __salsa20_keysetup(ctx, key, keysize); - return 0; - } - -@@ -186,24 +186,24 @@ static int encrypt(struct blkcipher_desc *desc, - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt_block(desc, &walk, 64); - -- salsa20_ivsetup(ctx, walk.iv); -+ __salsa20_ivsetup(ctx, walk.iv); - - if (likely(walk.nbytes == nbytes)) - { -- salsa20_encrypt_bytes(ctx, walk.dst.virt.addr, -+ __salsa20_encrypt_bytes(ctx, walk.dst.virt.addr, - walk.src.virt.addr, nbytes); - return blkcipher_walk_done(desc, &walk, 0); - } - - while (walk.nbytes >= 64) { -- salsa20_encrypt_bytes(ctx, walk.dst.virt.addr, -+ __salsa20_encrypt_bytes(ctx, walk.dst.virt.addr, - walk.src.virt.addr, - walk.nbytes - (walk.nbytes % 64)); - err = blkcipher_walk_done(desc, &walk, walk.nbytes % 64); - } - - if (walk.nbytes) { -- salsa20_encrypt_bytes(ctx, walk.dst.virt.addr, -+ __salsa20_encrypt_bytes(ctx, walk.dst.virt.addr, - walk.src.virt.addr, walk.nbytes); - err = blkcipher_walk_done(desc, &walk, 0); - } -diff --git a/crypto/scatterwalk.c b/crypto/scatterwalk.c -index c16c94f8..8ab5bf8 100644 ---- a/crypto/scatterwalk.c -+++ b/crypto/scatterwalk.c -@@ -62,14 +62,20 @@ void scatterwalk_map_and_copy(void *buf, struct scatterlist *sg, - { - struct scatter_walk walk; - struct scatterlist tmp[2]; -+ void *realbuf = buf; - - if (!nbytes) - return; - - sg = scatterwalk_ffwd(tmp, sg, start); - -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ if (object_starts_on_stack(buf)) -+ realbuf = buf - current->stack + current->lowmem_stack; -+#endif -+ - scatterwalk_start(&walk, sg); -- scatterwalk_copychunks(buf, &walk, nbytes, out); -+ scatterwalk_copychunks(realbuf, &walk, nbytes, out); - scatterwalk_done(&walk, out, 0); - } - EXPORT_SYMBOL_GPL(scatterwalk_map_and_copy); -diff --git a/crypto/serpent_generic.c b/crypto/serpent_generic.c -index 94970a7..f0c8d26 100644 ---- a/crypto/serpent_generic.c -+++ b/crypto/serpent_generic.c -@@ -442,8 +442,9 @@ int serpent_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) - } - EXPORT_SYMBOL_GPL(serpent_setkey); - --void __serpent_encrypt(struct serpent_ctx *ctx, u8 *dst, const u8 *src) -+void __serpent_encrypt(void *_ctx, u8 *dst, const u8 *src) - { -+ struct serpent_ctx *ctx = _ctx; - const u32 *k = ctx->expkey; - const __le32 *s = (const __le32 *)src; - __le32 *d = (__le32 *)dst; -@@ -507,8 +508,9 @@ static void serpent_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) - __serpent_encrypt(ctx, dst, src); - } - --void __serpent_decrypt(struct serpent_ctx *ctx, u8 *dst, const u8 *src) -+void __serpent_decrypt(void *_ctx, u8 *dst, const u8 *src) - { -+ struct serpent_ctx *ctx = _ctx; - const u32 *k = ctx->expkey; - const __le32 *s = (const __le32 *)src; - __le32 *d = (__le32 *)dst; -diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c -index f71b756..b96847c 100644 ---- a/drivers/acpi/ac.c -+++ b/drivers/acpi/ac.c -@@ -70,7 +70,7 @@ static SIMPLE_DEV_PM_OPS(acpi_ac_pm, NULL, acpi_ac_resume); - - #ifdef CONFIG_ACPI_PROCFS_POWER - extern struct proc_dir_entry *acpi_lock_ac_dir(void); --extern void *acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir); -+extern void acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir); - static int acpi_ac_open_fs(struct inode *inode, struct file *file); - #endif - -diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c -index c5557d0..8ece624 100644 ---- a/drivers/acpi/acpi_video.c -+++ b/drivers/acpi/acpi_video.c -@@ -406,7 +406,7 @@ static int video_set_report_key_events(const struct dmi_system_id *id) - return 0; - } - --static struct dmi_system_id video_dmi_table[] = { -+static const struct dmi_system_id video_dmi_table[] = { - /* - * Broken _BQC workaround http://bugzilla.kernel.org/show_bug.cgi?id=13121 - */ -diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h -index 0a1b53c..2349b23 100644 ---- a/drivers/acpi/acpica/acutils.h -+++ b/drivers/acpi/acpica/acutils.h -@@ -289,7 +289,7 @@ void acpi_ut_init_stack_ptr_trace(void); - - void acpi_ut_track_stack_ptr(void); - --void -+__nocapture(2) void - acpi_ut_trace(u32 line_number, - const char *function_name, - const char *module_name, u32 component_id); -diff --git a/drivers/acpi/acpica/dbhistry.c b/drivers/acpi/acpica/dbhistry.c -index 46bd65d..ec9da48 100644 ---- a/drivers/acpi/acpica/dbhistry.c -+++ b/drivers/acpi/acpica/dbhistry.c -@@ -155,7 +155,7 @@ void acpi_db_display_history(void) - - for (i = 0; i < acpi_gbl_num_history; i++) { - if (acpi_gbl_history_buffer[history_index].command) { -- acpi_os_printf("%3ld %s\n", -+ acpi_os_printf("%3u %s\n", - acpi_gbl_history_buffer[history_index]. - cmd_num, - acpi_gbl_history_buffer[history_index]. -diff --git a/drivers/acpi/acpica/dbinput.c b/drivers/acpi/acpica/dbinput.c -index 068214f..43be06b 100644 ---- a/drivers/acpi/acpica/dbinput.c -+++ b/drivers/acpi/acpica/dbinput.c -@@ -608,7 +608,7 @@ static u32 acpi_db_get_line(char *input_buffer) - (acpi_gbl_db_parsed_buf, sizeof(acpi_gbl_db_parsed_buf), - input_buffer)) { - acpi_os_printf -- ("Buffer overflow while parsing input line (max %u characters)\n", -+ ("Buffer overflow while parsing input line (max %lu characters)\n", - sizeof(acpi_gbl_db_parsed_buf)); - return (0); - } -@@ -864,24 +864,24 @@ acpi_db_command_dispatch(char *input_buffer, - - if (param_count == 0) { - acpi_os_printf -- ("Current debug level for file output is: %8.8lX\n", -+ ("Current debug level for file output is: %8.8X\n", - acpi_gbl_db_debug_level); - acpi_os_printf -- ("Current debug level for console output is: %8.8lX\n", -+ ("Current debug level for console output is: %8.8X\n", - acpi_gbl_db_console_debug_level); - } else if (param_count == 2) { - temp = acpi_gbl_db_console_debug_level; - acpi_gbl_db_console_debug_level = - strtoul(acpi_gbl_db_args[1], NULL, 16); - acpi_os_printf -- ("Debug Level for console output was %8.8lX, now %8.8lX\n", -+ ("Debug Level for console output was %8.8X, now %8.8X\n", - temp, acpi_gbl_db_console_debug_level); - } else { - temp = acpi_gbl_db_debug_level; - acpi_gbl_db_debug_level = - strtoul(acpi_gbl_db_args[1], NULL, 16); - acpi_os_printf -- ("Debug Level for file output was %8.8lX, now %8.8lX\n", -+ ("Debug Level for file output was %8.8X, now %8.8X\n", - temp, acpi_gbl_db_debug_level); - } - break; -diff --git a/drivers/acpi/acpica/dbstats.c b/drivers/acpi/acpica/dbstats.c -index a414e1f..de70230 100644 ---- a/drivers/acpi/acpica/dbstats.c -+++ b/drivers/acpi/acpica/dbstats.c -@@ -377,17 +377,17 @@ acpi_status acpi_db_display_statistics(char *type_arg) - "ACPI_TYPE", "NODES", "OBJECTS"); - - for (i = 0; i < ACPI_TYPE_NS_NODE_MAX; i++) { -- acpi_os_printf("%16.16s % 10ld% 10ld\n", -+ acpi_os_printf("%16.16s % 10d% 10d\n", - acpi_ut_get_type_name(i), - acpi_gbl_node_type_count[i], - acpi_gbl_obj_type_count[i]); - } - -- acpi_os_printf("%16.16s % 10ld% 10ld\n", "Misc/Unknown", -+ acpi_os_printf("%16.16s % 10d% 10d\n", "Misc/Unknown", - acpi_gbl_node_type_count_misc, - acpi_gbl_obj_type_count_misc); - -- acpi_os_printf("%16.16s % 10ld% 10ld\n", "TOTALS:", -+ acpi_os_printf("%16.16s % 10d% 10d\n", "TOTALS:", - acpi_gbl_num_nodes, acpi_gbl_num_objects); - break; - -@@ -415,16 +415,16 @@ acpi_status acpi_db_display_statistics(char *type_arg) - case CMD_STAT_MISC: - - acpi_os_printf("\nMiscellaneous Statistics:\n\n"); -- acpi_os_printf("Calls to AcpiPsFind:.. ........% 7ld\n", -+ acpi_os_printf("Calls to AcpiPsFind:.. ........% 7u\n", - acpi_gbl_ps_find_count); -- acpi_os_printf("Calls to AcpiNsLookup:..........% 7ld\n", -+ acpi_os_printf("Calls to AcpiNsLookup:..........% 7u\n", - acpi_gbl_ns_lookup_count); - - acpi_os_printf("\n"); - - acpi_os_printf("Mutex usage:\n\n"); - for (i = 0; i < ACPI_NUM_MUTEX; i++) { -- acpi_os_printf("%-28s: % 7ld\n", -+ acpi_os_printf("%-28s: % 7u\n", - acpi_ut_get_mutex_name(i), - acpi_gbl_mutex_info[i].use_count); - } -@@ -434,87 +434,87 @@ acpi_status acpi_db_display_statistics(char *type_arg) - - acpi_os_printf("\nInternal object sizes:\n\n"); - -- acpi_os_printf("Common %3d\n", -+ acpi_os_printf("Common %3lu\n", - sizeof(struct acpi_object_common)); -- acpi_os_printf("Number %3d\n", -+ acpi_os_printf("Number %3lu\n", - sizeof(struct acpi_object_integer)); -- acpi_os_printf("String %3d\n", -+ acpi_os_printf("String %3lu\n", - sizeof(struct acpi_object_string)); -- acpi_os_printf("Buffer %3d\n", -+ acpi_os_printf("Buffer %3lu\n", - sizeof(struct acpi_object_buffer)); -- acpi_os_printf("Package %3d\n", -+ acpi_os_printf("Package %3lu\n", - sizeof(struct acpi_object_package)); -- acpi_os_printf("BufferField %3d\n", -+ acpi_os_printf("BufferField %3lu\n", - sizeof(struct acpi_object_buffer_field)); -- acpi_os_printf("Device %3d\n", -+ acpi_os_printf("Device %3lu\n", - sizeof(struct acpi_object_device)); -- acpi_os_printf("Event %3d\n", -+ acpi_os_printf("Event %3lu\n", - sizeof(struct acpi_object_event)); -- acpi_os_printf("Method %3d\n", -+ acpi_os_printf("Method %3lu\n", - sizeof(struct acpi_object_method)); -- acpi_os_printf("Mutex %3d\n", -+ acpi_os_printf("Mutex %3lu\n", - sizeof(struct acpi_object_mutex)); -- acpi_os_printf("Region %3d\n", -+ acpi_os_printf("Region %3lu\n", - sizeof(struct acpi_object_region)); -- acpi_os_printf("PowerResource %3d\n", -+ acpi_os_printf("PowerResource %3lu\n", - sizeof(struct acpi_object_power_resource)); -- acpi_os_printf("Processor %3d\n", -+ acpi_os_printf("Processor %3lu\n", - sizeof(struct acpi_object_processor)); -- acpi_os_printf("ThermalZone %3d\n", -+ acpi_os_printf("ThermalZone %3lu\n", - sizeof(struct acpi_object_thermal_zone)); -- acpi_os_printf("RegionField %3d\n", -+ acpi_os_printf("RegionField %3lu\n", - sizeof(struct acpi_object_region_field)); -- acpi_os_printf("BankField %3d\n", -+ acpi_os_printf("BankField %3lu\n", - sizeof(struct acpi_object_bank_field)); -- acpi_os_printf("IndexField %3d\n", -+ acpi_os_printf("IndexField %3lu\n", - sizeof(struct acpi_object_index_field)); -- acpi_os_printf("Reference %3d\n", -+ acpi_os_printf("Reference %3lu\n", - sizeof(struct acpi_object_reference)); -- acpi_os_printf("Notify %3d\n", -+ acpi_os_printf("Notify %3lu\n", - sizeof(struct acpi_object_notify_handler)); -- acpi_os_printf("AddressSpace %3d\n", -+ acpi_os_printf("AddressSpace %3lu\n", - sizeof(struct acpi_object_addr_handler)); -- acpi_os_printf("Extra %3d\n", -+ acpi_os_printf("Extra %3lu\n", - sizeof(struct acpi_object_extra)); -- acpi_os_printf("Data %3d\n", -+ acpi_os_printf("Data %3lu\n", - sizeof(struct acpi_object_data)); - - acpi_os_printf("\n"); - -- acpi_os_printf("ParseObject %3d\n", -+ acpi_os_printf("ParseObject %3lu\n", - sizeof(struct acpi_parse_obj_common)); -- acpi_os_printf("ParseObjectNamed %3d\n", -+ acpi_os_printf("ParseObjectNamed %3lu\n", - sizeof(struct acpi_parse_obj_named)); -- acpi_os_printf("ParseObjectAsl %3d\n", -+ acpi_os_printf("ParseObjectAsl %3lu\n", - sizeof(struct acpi_parse_obj_asl)); -- acpi_os_printf("OperandObject %3d\n", -+ acpi_os_printf("OperandObject %3lu\n", - sizeof(union acpi_operand_object)); -- acpi_os_printf("NamespaceNode %3d\n", -+ acpi_os_printf("NamespaceNode %3lu\n", - sizeof(struct acpi_namespace_node)); -- acpi_os_printf("AcpiObject %3d\n", -+ acpi_os_printf("AcpiObject %3lu\n", - sizeof(union acpi_object)); - - acpi_os_printf("\n"); - -- acpi_os_printf("Generic State %3d\n", -+ acpi_os_printf("Generic State %3lu\n", - sizeof(union acpi_generic_state)); -- acpi_os_printf("Common State %3d\n", -+ acpi_os_printf("Common State %3lu\n", - sizeof(struct acpi_common_state)); -- acpi_os_printf("Control State %3d\n", -+ acpi_os_printf("Control State %3lu\n", - sizeof(struct acpi_control_state)); -- acpi_os_printf("Update State %3d\n", -+ acpi_os_printf("Update State %3lu\n", - sizeof(struct acpi_update_state)); -- acpi_os_printf("Scope State %3d\n", -+ acpi_os_printf("Scope State %3lu\n", - sizeof(struct acpi_scope_state)); -- acpi_os_printf("Parse Scope %3d\n", -+ acpi_os_printf("Parse Scope %3lu\n", - sizeof(struct acpi_pscope_state)); -- acpi_os_printf("Package State %3d\n", -+ acpi_os_printf("Package State %3lu\n", - sizeof(struct acpi_pkg_state)); -- acpi_os_printf("Thread State %3d\n", -+ acpi_os_printf("Thread State %3lu\n", - sizeof(struct acpi_thread_state)); -- acpi_os_printf("Result Values %3d\n", -+ acpi_os_printf("Result Values %3lu\n", - sizeof(struct acpi_result_values)); -- acpi_os_printf("Notify Info %3d\n", -+ acpi_os_printf("Notify Info %3lu\n", - sizeof(struct acpi_notify_info)); - break; - -diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c -index f76e0ea..4b83315 100644 ---- a/drivers/acpi/acpica/hwxfsleep.c -+++ b/drivers/acpi/acpica/hwxfsleep.c -@@ -70,11 +70,12 @@ static acpi_status acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id); - /* Legacy functions are optional, based upon ACPI_REDUCED_HARDWARE */ - - static struct acpi_sleep_functions acpi_sleep_dispatch[] = { -- {ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_sleep), -- acpi_hw_extended_sleep}, -- {ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake_prep), -- acpi_hw_extended_wake_prep}, -- {ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake), acpi_hw_extended_wake} -+ {.legacy_function = ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_sleep), -+ .extended_function = acpi_hw_extended_sleep}, -+ {.legacy_function = ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake_prep), -+ .extended_function = acpi_hw_extended_wake_prep}, -+ {.legacy_function = ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake), -+ .extended_function = acpi_hw_extended_wake} - }; - - /* -diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c -index 044df9b..b4cdb9c 100644 ---- a/drivers/acpi/acpica/utdebug.c -+++ b/drivers/acpi/acpica/utdebug.c -@@ -189,7 +189,7 @@ acpi_debug_print(u32 requested_debug_level, - * Display the module name, current line number, thread ID (if requested), - * current procedure nesting level, and the current procedure name - */ -- acpi_os_printf("%9s-%04ld ", module_name, line_number); -+ acpi_os_printf("%9s-%04u ", module_name, line_number); - - #ifdef ACPI_APPLICATION - /* -diff --git a/drivers/acpi/apei/apei-internal.h b/drivers/acpi/apei/apei-internal.h -index 6e9f14c..7f9a99d 100644 ---- a/drivers/acpi/apei/apei-internal.h -+++ b/drivers/acpi/apei/apei-internal.h -@@ -19,7 +19,7 @@ typedef int (*apei_exec_ins_func_t)(struct apei_exec_context *ctx, - struct apei_exec_ins_type { - u32 flags; - apei_exec_ins_func_t run; --}; -+} __do_const; - - struct apei_exec_context { - u32 ip; -diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c -index e53bef6..46534c4 100644 ---- a/drivers/acpi/apei/ghes.c -+++ b/drivers/acpi/apei/ghes.c -@@ -483,7 +483,7 @@ static void __ghes_print_estatus(const char *pfx, - const struct acpi_hest_generic *generic, - const struct acpi_hest_generic_status *estatus) - { -- static atomic_t seqno; -+ static atomic_unchecked_t seqno; - unsigned int curr_seqno; - char pfx_seq[64]; - -@@ -494,7 +494,7 @@ static void __ghes_print_estatus(const char *pfx, - else - pfx = KERN_ERR; - } -- curr_seqno = atomic_inc_return(&seqno); -+ curr_seqno = atomic_inc_return_unchecked(&seqno); - snprintf(pfx_seq, sizeof(pfx_seq), "%s{%u}" HW_ERR, pfx, curr_seqno); - printk("%s""Hardware error from APEI Generic Hardware Error Source: %d\n", - pfx_seq, generic->header.source_id); -@@ -544,7 +544,7 @@ static int ghes_estatus_cached(struct acpi_hest_generic_status *estatus) - cache_estatus = GHES_ESTATUS_FROM_CACHE(cache); - if (memcmp(estatus, cache_estatus, len)) - continue; -- atomic_inc(&cache->count); -+ atomic_inc_unchecked(&cache->count); - now = sched_clock(); - if (now - cache->time_in < GHES_ESTATUS_IN_CACHE_MAX_NSEC) - cached = 1; -@@ -578,7 +578,7 @@ static struct ghes_estatus_cache *ghes_estatus_cache_alloc( - cache_estatus = GHES_ESTATUS_FROM_CACHE(cache); - memcpy(cache_estatus, estatus, len); - cache->estatus_len = len; -- atomic_set(&cache->count, 0); -+ atomic_set_unchecked(&cache->count, 0); - cache->generic = generic; - cache->time_in = sched_clock(); - return cache; -@@ -628,7 +628,7 @@ static void ghes_estatus_cache_add( - slot_cache = cache; - break; - } -- count = atomic_read(&cache->count); -+ count = atomic_read_unchecked(&cache->count); - period = duration; - do_div(period, (count + 1)); - if (period > max_period) { -diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c -index 93ecae5..a845fce 100644 ---- a/drivers/acpi/battery.c -+++ b/drivers/acpi/battery.c -@@ -75,7 +75,7 @@ MODULE_PARM_DESC(cache_time, "cache time in milliseconds"); - - #ifdef CONFIG_ACPI_PROCFS_POWER - extern struct proc_dir_entry *acpi_lock_battery_dir(void); --extern void *acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir); -+extern void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir); - - enum acpi_battery_files { - info_tag = 0, -diff --git a/drivers/acpi/bgrt.c b/drivers/acpi/bgrt.c -index 75f128e..0fbae68 100644 ---- a/drivers/acpi/bgrt.c -+++ b/drivers/acpi/bgrt.c -@@ -17,40 +17,40 @@ - - static struct kobject *bgrt_kobj; - --static ssize_t show_version(struct device *dev, -- struct device_attribute *attr, char *buf) -+static ssize_t show_version(struct kobject *kobj, -+ struct kobj_attribute *attr, char *buf) - { - return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab->version); - } --static DEVICE_ATTR(version, S_IRUGO, show_version, NULL); -+static KOBJECT_ATTR(version, S_IRUGO, show_version, NULL); - --static ssize_t show_status(struct device *dev, -- struct device_attribute *attr, char *buf) -+static ssize_t show_status(struct kobject *kobj, -+ struct kobj_attribute *attr, char *buf) - { - return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab->status); - } --static DEVICE_ATTR(status, S_IRUGO, show_status, NULL); -+static KOBJECT_ATTR(status, S_IRUGO, show_status, NULL); - --static ssize_t show_type(struct device *dev, -- struct device_attribute *attr, char *buf) -+static ssize_t show_type(struct kobject *kobj, -+ struct kobj_attribute *attr, char *buf) - { - return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab->image_type); - } --static DEVICE_ATTR(type, S_IRUGO, show_type, NULL); -+static KOBJECT_ATTR(type, S_IRUGO, show_type, NULL); - --static ssize_t show_xoffset(struct device *dev, -- struct device_attribute *attr, char *buf) -+static ssize_t show_xoffset(struct kobject *kobj, -+ struct kobj_attribute *attr, char *buf) - { - return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab->image_offset_x); - } --static DEVICE_ATTR(xoffset, S_IRUGO, show_xoffset, NULL); -+static KOBJECT_ATTR(xoffset, S_IRUGO, show_xoffset, NULL); - --static ssize_t show_yoffset(struct device *dev, -- struct device_attribute *attr, char *buf) -+static ssize_t show_yoffset(struct kobject *kobj, -+ struct kobj_attribute *attr, char *buf) - { - return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab->image_offset_y); - } --static DEVICE_ATTR(yoffset, S_IRUGO, show_yoffset, NULL); -+static KOBJECT_ATTR(yoffset, S_IRUGO, show_yoffset, NULL); - - static ssize_t image_read(struct file *file, struct kobject *kobj, - struct bin_attribute *attr, char *buf, loff_t off, size_t count) -@@ -87,8 +87,10 @@ static int __init bgrt_init(void) - if (!bgrt_image) - return -ENODEV; - -- bin_attr_image.private = bgrt_image; -- bin_attr_image.size = bgrt_image_size; -+ pax_open_kernel(); -+ const_cast(bin_attr_image.private) = bgrt_image; -+ const_cast(bin_attr_image.size) = bgrt_image_size; -+ pax_close_kernel(); - - bgrt_kobj = kobject_create_and_add("bgrt", acpi_kobj); - if (!bgrt_kobj) -diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c -index 4421f7c..aa32b81 100644 ---- a/drivers/acpi/blacklist.c -+++ b/drivers/acpi/blacklist.c -@@ -47,13 +47,13 @@ struct acpi_blacklist_item { - u32 is_critical_error; - }; - --static struct dmi_system_id acpi_rev_dmi_table[] __initdata; -+static const struct dmi_system_id acpi_rev_dmi_table[] __initconst; - - /* - * POLICY: If *anything* doesn't work, put it on the blacklist. - * If they are critical errors, mark it critical, and abort driver load. - */ --static struct acpi_blacklist_item acpi_blacklist[] __initdata = { -+static const struct acpi_blacklist_item acpi_blacklist[] __initconst = { - /* Compaq Presario 1700 */ - {"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal, - "Multiple problems", 1}, -@@ -144,7 +144,7 @@ static int __init dmi_enable_rev_override(const struct dmi_system_id *d) - } - #endif - --static struct dmi_system_id acpi_rev_dmi_table[] __initdata = { -+static const struct dmi_system_id acpi_rev_dmi_table[] __initconst = { - #ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE - /* - * DELL XPS 13 (2015) switches sound between HDA and I2S -diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c -index 56190d0..406f04c 100644 ---- a/drivers/acpi/bus.c -+++ b/drivers/acpi/bus.c -@@ -67,7 +67,7 @@ static int set_copy_dsdt(const struct dmi_system_id *id) - } - #endif - --static struct dmi_system_id dsdt_dmi_table[] __initdata = { -+static const struct dmi_system_id dsdt_dmi_table[] __initconst = { - /* - * Invoke DSDT corruption work-around on all Toshiba Satellite. - * https://bugzilla.kernel.org/show_bug.cgi?id=14679 -@@ -83,7 +83,7 @@ static struct dmi_system_id dsdt_dmi_table[] __initdata = { - {} - }; - #else --static struct dmi_system_id dsdt_dmi_table[] __initdata = { -+static const struct dmi_system_id dsdt_dmi_table[] __initconst = { - {} - }; - #endif -diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c -index 6d5a8c1..c763e4a 100644 ---- a/drivers/acpi/button.c -+++ b/drivers/acpi/button.c -@@ -556,7 +556,7 @@ static int acpi_button_remove(struct acpi_device *device) - return 0; - } - --static int param_set_lid_init_state(const char *val, struct kernel_param *kp) -+static int param_set_lid_init_state(const char *val, const struct kernel_param *kp) - { - int result = 0; - -@@ -574,7 +574,7 @@ static int param_set_lid_init_state(const char *val, struct kernel_param *kp) - return result; - } - --static int param_get_lid_init_state(char *buffer, struct kernel_param *kp) -+static int param_get_lid_init_state(char *buffer, const struct kernel_param *kp) - { - switch (lid_init_state) { - case ACPI_BUTTON_LID_INIT_OPEN: -diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c -index c68e724..e863008 100644 ---- a/drivers/acpi/custom_method.c -+++ b/drivers/acpi/custom_method.c -@@ -29,6 +29,10 @@ static ssize_t cm_write(struct file *file, const char __user * user_buf, - struct acpi_table_header table; - acpi_status status; - -+#ifdef CONFIG_GRKERNSEC_KMEM -+ return -EPERM; -+#endif -+ - if (!(*ppos)) { - /* parse the table header to get the table length */ - if (count <= sizeof(struct acpi_table_header)) -diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c -index 993fd31..cc15d14 100644 ---- a/drivers/acpi/device_pm.c -+++ b/drivers/acpi/device_pm.c -@@ -1026,6 +1026,8 @@ EXPORT_SYMBOL_GPL(acpi_subsys_freeze); - - #endif /* CONFIG_PM_SLEEP */ - -+static void acpi_dev_pm_detach(struct device *dev, bool power_off); -+ - static struct dev_pm_domain acpi_general_pm_domain = { - .ops = { - .runtime_suspend = acpi_subsys_runtime_suspend, -@@ -1042,6 +1044,7 @@ static struct dev_pm_domain acpi_general_pm_domain = { - .restore_early = acpi_subsys_resume_early, - #endif - }, -+ .detach = acpi_dev_pm_detach - }; - - /** -@@ -1119,7 +1122,6 @@ int acpi_dev_pm_attach(struct device *dev, bool power_on) - acpi_device_wakeup(adev, ACPI_STATE_S0, false); - } - -- dev->pm_domain->detach = acpi_dev_pm_detach; - return 0; - } - EXPORT_SYMBOL_GPL(acpi_dev_pm_attach); -diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c -index 48e19d0..b08e802 100644 ---- a/drivers/acpi/ec.c -+++ b/drivers/acpi/ec.c -@@ -1777,7 +1777,7 @@ static int ec_correct_ecdt(const struct dmi_system_id *id) - return 0; - } - --static struct dmi_system_id ec_dmi_table[] __initdata = { -+static const struct dmi_system_id ec_dmi_table[] __initconst = { - { - ec_correct_ecdt, "MSI MS-171F", { - DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star"), -@@ -1910,7 +1910,7 @@ static const struct dev_pm_ops acpi_ec_pm = { - SET_SYSTEM_SLEEP_PM_OPS(acpi_ec_suspend, acpi_ec_resume) - }; - --static int param_set_event_clearing(const char *val, struct kernel_param *kp) -+static int param_set_event_clearing(const char *val, const struct kernel_param *kp) - { - int result = 0; - -@@ -1928,7 +1928,7 @@ static int param_set_event_clearing(const char *val, struct kernel_param *kp) - return result; - } - --static int param_get_event_clearing(char *buffer, struct kernel_param *kp) -+static int param_get_event_clearing(char *buffer, const struct kernel_param *kp) - { - switch (ec_event_clearing) { - case ACPI_EC_EVT_TIMING_STATUS: -diff --git a/drivers/acpi/osi.c b/drivers/acpi/osi.c -index 849f9d2..c97dd81 100644 ---- a/drivers/acpi/osi.c -+++ b/drivers/acpi/osi.c -@@ -318,7 +318,7 @@ static int __init dmi_disable_osi_win8(const struct dmi_system_id *d) - * Note that _OSI("Linux")/_OSI("Darwin") determined here can be overridden - * by acpi_osi=!Linux/acpi_osi=!Darwin command line options. - */ --static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { -+static const struct dmi_system_id acpi_osi_dmi_table[] __initconst = { - { - .callback = dmi_disable_osi_vista, - .ident = "Fujitsu Siemens", -diff --git a/drivers/acpi/pci_slot.c b/drivers/acpi/pci_slot.c -index f62c68e..e90b61f 100644 ---- a/drivers/acpi/pci_slot.c -+++ b/drivers/acpi/pci_slot.c -@@ -174,7 +174,7 @@ static int do_sta_before_sun(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id acpi_pci_slot_dmi_table[] __initdata = { -+static const struct dmi_system_id acpi_pci_slot_dmi_table[] __initconst = { - /* - * Fujitsu Primequest machines will return 1023 to indicate an - * error if the _SUN method is evaluated on SxFy objects that -diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c -index 2237d3f..af0be90 100644 ---- a/drivers/acpi/processor_idle.c -+++ b/drivers/acpi/processor_idle.c -@@ -842,7 +842,7 @@ static int acpi_processor_setup_cstates(struct acpi_processor *pr) - { - int i, count = CPUIDLE_DRIVER_STATE_START; - struct acpi_processor_cx *cx; -- struct cpuidle_state *state; -+ cpuidle_state_no_const *state; - struct cpuidle_driver *drv = &acpi_idle_driver; - - if (max_cstate == 0) -@@ -1251,7 +1251,7 @@ static int acpi_processor_setup_lpi_states(struct acpi_processor *pr) - { - int i; - struct acpi_lpi_state *lpi; -- struct cpuidle_state *state; -+ cpuidle_state_no_const *state; - struct cpuidle_driver *drv = &acpi_idle_driver; - - if (!pr->flags.has_lpi) -diff --git a/drivers/acpi/processor_pdc.c b/drivers/acpi/processor_pdc.c -index 7cfbda4..74f738c 100644 ---- a/drivers/acpi/processor_pdc.c -+++ b/drivers/acpi/processor_pdc.c -@@ -173,7 +173,7 @@ static int __init set_no_mwait(const struct dmi_system_id *id) - return 0; - } - --static struct dmi_system_id processor_idle_dmi_table[] __initdata = { -+static const struct dmi_system_id processor_idle_dmi_table[] __initconst = { - { - set_no_mwait, "Extensa 5220", { - DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"), -diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c -index a4327af..d0ebae1 100644 ---- a/drivers/acpi/sleep.c -+++ b/drivers/acpi/sleep.c -@@ -160,7 +160,7 @@ static int __init init_nvs_nosave(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id acpisleep_dmi_table[] __initdata = { -+static const struct dmi_system_id acpisleep_dmi_table[] __initconst = { - { - .callback = init_old_suspend_ordering, - .ident = "Abit KN9 (nForce4 variant)", -diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c -index cf05ae9..8a581b4 100644 ---- a/drivers/acpi/sysfs.c -+++ b/drivers/acpi/sysfs.c -@@ -227,7 +227,7 @@ module_param_cb(trace_method_name, ¶m_ops_trace_method, &trace_method_name, - module_param_cb(trace_debug_layer, ¶m_ops_trace_attrib, &acpi_gbl_trace_dbg_layer, 0644); - module_param_cb(trace_debug_level, ¶m_ops_trace_attrib, &acpi_gbl_trace_dbg_level, 0644); - --static int param_set_trace_state(const char *val, struct kernel_param *kp) -+static int param_set_trace_state(const char *val, const struct kernel_param *kp) - { - acpi_status status; - const char *method = trace_method_name; -@@ -263,7 +263,7 @@ static int param_set_trace_state(const char *val, struct kernel_param *kp) - return 0; - } - --static int param_get_trace_state(char *buffer, struct kernel_param *kp) -+static int param_get_trace_state(char *buffer, const struct kernel_param *kp) - { - if (!(acpi_gbl_trace_flags & ACPI_TRACE_ENABLED)) - return sprintf(buffer, "disable"); -@@ -292,7 +292,7 @@ MODULE_PARM_DESC(aml_debug_output, - "To enable/disable the ACPI Debug Object output."); - - /* /sys/module/acpi/parameters/acpica_version */ --static int param_get_acpica_version(char *buffer, struct kernel_param *kp) -+static int param_get_acpica_version(char *buffer, const struct kernel_param *kp) - { - int result; - -@@ -490,11 +490,11 @@ static u32 num_counters; - static struct attribute **all_attrs; - static u32 acpi_gpe_count; - --static struct attribute_group interrupt_stats_attr_group = { -+static attribute_group_no_const interrupt_stats_attr_group = { - .name = "interrupts", - }; - --static struct kobj_attribute *counter_attrs; -+static kobj_attribute_no_const *counter_attrs; - - static void delete_gpe_attr_array(void) - { -@@ -853,13 +853,13 @@ static void __exit interrupt_stats_exit(void) - } - - static ssize_t --acpi_show_profile(struct device *dev, struct device_attribute *attr, -+acpi_show_profile(struct kobject *kobj, struct kobj_attribute *attr, - char *buf) - { - return sprintf(buf, "%d\n", acpi_gbl_FADT.preferred_profile); - } - --static const struct device_attribute pm_profile_attr = -+static const struct kobj_attribute pm_profile_attr = - __ATTR(pm_profile, S_IRUGO, acpi_show_profile, NULL); - - static ssize_t hotplug_enabled_show(struct kobject *kobj, -diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c -index 35e8fbc..5f0c412 100644 ---- a/drivers/acpi/thermal.c -+++ b/drivers/acpi/thermal.c -@@ -1209,7 +1209,7 @@ static int thermal_psv(const struct dmi_system_id *d) { - return 0; - } - --static struct dmi_system_id thermal_dmi_table[] __initdata = { -+static const struct dmi_system_id thermal_dmi_table[] __initconst = { - /* - * Award BIOS on this AOpen makes thermal control almost worthless. - * http://bugzilla.kernel.org/show_bug.cgi?id=8842 -diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c -index 02ded25..ff23e2d 100644 ---- a/drivers/acpi/video_detect.c -+++ b/drivers/acpi/video_detect.c -@@ -41,7 +41,6 @@ ACPI_MODULE_NAME("video"); - void acpi_video_unregister_backlight(void); - - static bool backlight_notifier_registered; --static struct notifier_block backlight_nb; - static struct work_struct backlight_notify_work; - - static enum acpi_backlight_type acpi_backlight_cmdline = acpi_backlight_undef; -@@ -339,6 +338,10 @@ static int acpi_video_backlight_notify(struct notifier_block *nb, - return NOTIFY_OK; - } - -+static struct notifier_block backlight_nb = { -+ .notifier_call = acpi_video_backlight_notify, -+}; -+ - /* - * Determine which type of backlight interface to use on this system, - * First check cmdline, then dmi quirks, then do autodetect. -@@ -369,8 +372,6 @@ enum acpi_backlight_type acpi_video_get_backlight_type(void) - &video_caps, NULL); - INIT_WORK(&backlight_notify_work, - acpi_video_backlight_notify_work); -- backlight_nb.notifier_call = acpi_video_backlight_notify; -- backlight_nb.priority = 0; - if (backlight_register_notifier(&backlight_nb) == 0) - backlight_notifier_registered = true; - init_done = true; -diff --git a/drivers/android/binder.c b/drivers/android/binder.c -index 3c71b98..03bc39b9 100644 ---- a/drivers/android/binder.c -+++ b/drivers/android/binder.c -@@ -119,7 +119,7 @@ static DECLARE_WAIT_QUEUE_HEAD(binder_user_error_wait); - static int binder_stop_on_user_error; - - static int binder_set_stop_on_user_error(const char *val, -- struct kernel_param *kp) -+ const struct kernel_param *kp) - { - int ret; - -diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c -index 33e363d..1694417 100644 ---- a/drivers/ata/libata-core.c -+++ b/drivers/ata/libata-core.c -@@ -105,7 +105,7 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev); - static void ata_dev_xfermask(struct ata_device *dev); - static unsigned long ata_dev_blacklisted(const struct ata_device *dev); - --atomic_t ata_print_id = ATOMIC_INIT(0); -+atomic_unchecked_t ata_print_id = ATOMIC_INIT(0); - - struct ata_force_param { - const char *name; -@@ -4990,7 +4990,7 @@ void ata_qc_free(struct ata_queued_cmd *qc) - struct ata_port *ap; - unsigned int tag; - -- WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ -+ BUG_ON(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ - ap = qc->ap; - - qc->flags = 0; -@@ -5007,7 +5007,7 @@ void __ata_qc_complete(struct ata_queued_cmd *qc) - struct ata_port *ap; - struct ata_link *link; - -- WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ -+ BUG_ON(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ - WARN_ON_ONCE(!(qc->flags & ATA_QCFLAG_ACTIVE)); - ap = qc->ap; - link = qc->dev->link; -@@ -6119,6 +6119,7 @@ static void ata_finalize_port_ops(struct ata_port_operations *ops) - return; - - spin_lock(&lock); -+ pax_open_kernel(); - - for (cur = ops->inherits; cur; cur = cur->inherits) { - void **inherit = (void **)cur; -@@ -6132,8 +6133,9 @@ static void ata_finalize_port_ops(struct ata_port_operations *ops) - if (IS_ERR(*pp)) - *pp = NULL; - -- ops->inherits = NULL; -+ const_cast(ops->inherits) = NULL; - -+ pax_close_kernel(); - spin_unlock(&lock); - } - -@@ -6329,7 +6331,7 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht) - - /* give ports names and add SCSI hosts */ - for (i = 0; i < host->n_ports; i++) { -- host->ports[i]->print_id = atomic_inc_return(&ata_print_id); -+ host->ports[i]->print_id = atomic_inc_return_unchecked(&ata_print_id); - host->ports[i]->local_port_no = i + 1; - } - -diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c -index 8e575fb..104fcff 100644 ---- a/drivers/ata/libata-scsi.c -+++ b/drivers/ata/libata-scsi.c -@@ -4908,7 +4908,7 @@ int ata_sas_port_init(struct ata_port *ap) - - if (rc) - return rc; -- ap->print_id = atomic_inc_return(&ata_print_id); -+ ap->print_id = atomic_inc_return_unchecked(&ata_print_id); - return 0; - } - EXPORT_SYMBOL_GPL(ata_sas_port_init); -diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h -index 3b301a4..ff15676 100644 ---- a/drivers/ata/libata.h -+++ b/drivers/ata/libata.h -@@ -53,7 +53,7 @@ enum { - ATA_DNXFER_QUIET = (1 << 31), - }; - --extern atomic_t ata_print_id; -+extern atomic_unchecked_t ata_print_id; - extern int atapi_passthru16; - extern int libata_fua; - extern int libata_noacpi; -diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c -index b4d5477..9ec8e0b 100644 ---- a/drivers/ata/pata_arasan_cf.c -+++ b/drivers/ata/pata_arasan_cf.c -@@ -864,7 +864,9 @@ static int arasan_cf_probe(struct platform_device *pdev) - /* Handle platform specific quirks */ - if (quirk) { - if (quirk & CF_BROKEN_PIO) { -- ap->ops->set_piomode = NULL; -+ pax_open_kernel(); -+ const_cast(ap->ops->set_piomode) = NULL; -+ pax_close_kernel(); - ap->pio_mask = 0; - } - if (quirk & CF_BROKEN_MWDMA) -diff --git a/drivers/atm/adummy.c b/drivers/atm/adummy.c -index f9b983a..887b9d8 100644 ---- a/drivers/atm/adummy.c -+++ b/drivers/atm/adummy.c -@@ -114,7 +114,7 @@ adummy_send(struct atm_vcc *vcc, struct sk_buff *skb) - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - - return 0; - } -diff --git a/drivers/atm/ambassador.c b/drivers/atm/ambassador.c -index f1a9198..f466a4a 100644 ---- a/drivers/atm/ambassador.c -+++ b/drivers/atm/ambassador.c -@@ -454,7 +454,7 @@ static void tx_complete (amb_dev * dev, tx_out * tx) { - PRINTD (DBG_FLOW|DBG_TX, "tx_complete %p %p", dev, tx); - - // VC layer stats -- atomic_inc(&ATM_SKB(skb)->vcc->stats->tx); -+ atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx); - - // free the descriptor - kfree (tx_descr); -@@ -495,7 +495,7 @@ static void rx_complete (amb_dev * dev, rx_out * rx) { - dump_skb ("<<<", vc, skb); - - // VC layer stats -- atomic_inc(&atm_vcc->stats->rx); -+ atomic_inc_unchecked(&atm_vcc->stats->rx); - __net_timestamp(skb); - // end of our responsibility - atm_vcc->push (atm_vcc, skb); -@@ -510,7 +510,7 @@ static void rx_complete (amb_dev * dev, rx_out * rx) { - } else { - PRINTK (KERN_INFO, "dropped over-size frame"); - // should we count this? -- atomic_inc(&atm_vcc->stats->rx_drop); -+ atomic_inc_unchecked(&atm_vcc->stats->rx_drop); - } - - } else { -@@ -1338,7 +1338,7 @@ static int amb_send (struct atm_vcc * atm_vcc, struct sk_buff * skb) { - } - - if (check_area (skb->data, skb->len)) { -- atomic_inc(&atm_vcc->stats->tx_err); -+ atomic_inc_unchecked(&atm_vcc->stats->tx_err); - return -ENOMEM; // ? - } - -diff --git a/drivers/atm/atmtcp.c b/drivers/atm/atmtcp.c -index 480fa6f..947067c 100644 ---- a/drivers/atm/atmtcp.c -+++ b/drivers/atm/atmtcp.c -@@ -206,7 +206,7 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb) - if (vcc->pop) vcc->pop(vcc,skb); - else dev_kfree_skb(skb); - if (dev_data) return 0; -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - return -ENOLINK; - } - size = skb->len+sizeof(struct atmtcp_hdr); -@@ -214,7 +214,7 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb) - if (!new_skb) { - if (vcc->pop) vcc->pop(vcc,skb); - else dev_kfree_skb(skb); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - return -ENOBUFS; - } - hdr = (void *) skb_put(new_skb,sizeof(struct atmtcp_hdr)); -@@ -225,8 +225,8 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb) - if (vcc->pop) vcc->pop(vcc,skb); - else dev_kfree_skb(skb); - out_vcc->push(out_vcc,new_skb); -- atomic_inc(&vcc->stats->tx); -- atomic_inc(&out_vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->tx); -+ atomic_inc_unchecked(&out_vcc->stats->rx); - return 0; - } - -@@ -300,7 +300,7 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb) - read_unlock(&vcc_sklist_lock); - if (!out_vcc) { - result = -EUNATCH; -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - goto done; - } - skb_pull(skb,sizeof(struct atmtcp_hdr)); -@@ -312,8 +312,8 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb) - __net_timestamp(new_skb); - skb_copy_from_linear_data(skb, skb_put(new_skb, skb->len), skb->len); - out_vcc->push(out_vcc,new_skb); -- atomic_inc(&vcc->stats->tx); -- atomic_inc(&out_vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->tx); -+ atomic_inc_unchecked(&out_vcc->stats->rx); - done: - if (vcc->pop) vcc->pop(vcc,skb); - else dev_kfree_skb(skb); -diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c -index 40c2d56..58e2b4e 100644 ---- a/drivers/atm/eni.c -+++ b/drivers/atm/eni.c -@@ -525,7 +525,7 @@ static int rx_aal0(struct atm_vcc *vcc) - DPRINTK(DEV_LABEL "(itf %d): trashing empty cell\n", - vcc->dev->number); - length = 0; -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - } - else { - length = ATM_CELL_SIZE-1; /* no HEC */ -@@ -580,7 +580,7 @@ static int rx_aal5(struct atm_vcc *vcc) - size); - } - eff = length = 0; -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - } - else { - size = (descr & MID_RED_COUNT)*(ATM_CELL_PAYLOAD >> 2); -@@ -597,7 +597,7 @@ static int rx_aal5(struct atm_vcc *vcc) - "(VCI=%d,length=%ld,size=%ld (descr 0x%lx))\n", - vcc->dev->number,vcc->vci,length,size << 2,descr); - length = eff = 0; -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - } - } - skb = eff ? atm_alloc_charge(vcc,eff << 2,GFP_ATOMIC) : NULL; -@@ -770,7 +770,7 @@ rx_dequeued++; - vcc->push(vcc,skb); - pushed++; - } -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - wake_up(&eni_dev->rx_wait); - } -@@ -1230,7 +1230,7 @@ static void dequeue_tx(struct atm_dev *dev) - DMA_TO_DEVICE); - if (vcc->pop) vcc->pop(vcc,skb); - else dev_kfree_skb_irq(skb); -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - wake_up(&eni_dev->tx_wait); - dma_complete++; - } -diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c -index 85aaf22..8730d15 100644 ---- a/drivers/atm/firestream.c -+++ b/drivers/atm/firestream.c -@@ -753,7 +753,7 @@ static void process_txdone_queue (struct fs_dev *dev, struct queue *q) - } - } - -- atomic_inc(&ATM_SKB(skb)->vcc->stats->tx); -+ atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx); - - fs_dprintk (FS_DEBUG_TXMEM, "i"); - fs_dprintk (FS_DEBUG_ALLOC, "Free t-skb: %p\n", skb); -@@ -820,7 +820,7 @@ static void process_incoming (struct fs_dev *dev, struct queue *q) - #endif - skb_put (skb, qe->p1 & 0xffff); - ATM_SKB(skb)->vcc = atm_vcc; -- atomic_inc(&atm_vcc->stats->rx); -+ atomic_inc_unchecked(&atm_vcc->stats->rx); - __net_timestamp(skb); - fs_dprintk (FS_DEBUG_ALLOC, "Free rec-skb: %p (pushed)\n", skb); - atm_vcc->push (atm_vcc, skb); -@@ -841,12 +841,12 @@ static void process_incoming (struct fs_dev *dev, struct queue *q) - kfree (pe); - } - if (atm_vcc) -- atomic_inc(&atm_vcc->stats->rx_drop); -+ atomic_inc_unchecked(&atm_vcc->stats->rx_drop); - break; - case 0x1f: /* Reassembly abort: no buffers. */ - /* Silently increment error counter. */ - if (atm_vcc) -- atomic_inc(&atm_vcc->stats->rx_drop); -+ atomic_inc_unchecked(&atm_vcc->stats->rx_drop); - break; - default: /* Hmm. Haven't written the code to handle the others yet... -- REW */ - printk (KERN_WARNING "Don't know what to do with RX status %x: %s.\n", -diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c -index 81aaa50..84b214b 100644 ---- a/drivers/atm/fore200e.c -+++ b/drivers/atm/fore200e.c -@@ -932,9 +932,9 @@ fore200e_tx_irq(struct fore200e* fore200e) - #endif - /* check error condition */ - if (*entry->status & STATUS_ERROR) -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - else -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - } - } - -@@ -1083,7 +1083,7 @@ fore200e_push_rpd(struct fore200e* fore200e, struct atm_vcc* vcc, struct rpd* rp - if (skb == NULL) { - DPRINTK(2, "unable to alloc new skb, rx PDU length = %d\n", pdu_len); - -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - return -ENOMEM; - } - -@@ -1126,14 +1126,14 @@ fore200e_push_rpd(struct fore200e* fore200e, struct atm_vcc* vcc, struct rpd* rp - - dev_kfree_skb_any(skb); - -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - return -ENOMEM; - } - - ASSERT(atomic_read(&sk_atm(vcc)->sk_wmem_alloc) >= 0); - - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - ASSERT(atomic_read(&sk_atm(vcc)->sk_wmem_alloc) >= 0); - -@@ -1211,7 +1211,7 @@ fore200e_rx_irq(struct fore200e* fore200e) - DPRINTK(2, "damaged PDU on %d.%d.%d\n", - fore200e->atm_dev->number, - entry->rpd->atm_header.vpi, entry->rpd->atm_header.vci); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - } - } - -@@ -1656,7 +1656,7 @@ fore200e_send(struct atm_vcc *vcc, struct sk_buff *skb) - goto retry_here; - } - -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - - fore200e->tx_sat++; - DPRINTK(2, "tx queue of device %s is saturated, PDU dropped - heartbeat is %08x\n", -diff --git a/drivers/atm/he.c b/drivers/atm/he.c -index 31b513a..940ef04 100644 ---- a/drivers/atm/he.c -+++ b/drivers/atm/he.c -@@ -1691,7 +1691,7 @@ he_service_rbrq(struct he_dev *he_dev, int group) - - if (RBRQ_HBUF_ERR(he_dev->rbrq_head)) { - hprintk("HBUF_ERR! (cid 0x%x)\n", cid); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - goto return_host_buffers; - } - -@@ -1718,7 +1718,7 @@ he_service_rbrq(struct he_dev *he_dev, int group) - RBRQ_LEN_ERR(he_dev->rbrq_head) - ? "LEN_ERR" : "", - vcc->vpi, vcc->vci); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto return_host_buffers; - } - -@@ -1770,7 +1770,7 @@ he_service_rbrq(struct he_dev *he_dev, int group) - vcc->push(vcc, skb); - spin_lock(&he_dev->global_lock); - -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - return_host_buffers: - ++pdus_assembled; -@@ -2096,7 +2096,7 @@ __enqueue_tpd(struct he_dev *he_dev, struct he_tpd *tpd, unsigned cid) - tpd->vcc->pop(tpd->vcc, tpd->skb); - else - dev_kfree_skb_any(tpd->skb); -- atomic_inc(&tpd->vcc->stats->tx_err); -+ atomic_inc_unchecked(&tpd->vcc->stats->tx_err); - } - dma_pool_free(he_dev->tpd_pool, tpd, TPD_ADDR(tpd->status)); - return; -@@ -2508,7 +2508,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb) - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - return -EINVAL; - } - -@@ -2519,7 +2519,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb) - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - return -EINVAL; - } - #endif -@@ -2531,7 +2531,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb) - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - spin_unlock_irqrestore(&he_dev->global_lock, flags); - return -ENOMEM; - } -@@ -2573,7 +2573,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb) - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - spin_unlock_irqrestore(&he_dev->global_lock, flags); - return -ENOMEM; - } -@@ -2604,7 +2604,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb) - __enqueue_tpd(he_dev, tpd, cid); - spin_unlock_irqrestore(&he_dev->global_lock, flags); - -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - - return 0; - } -diff --git a/drivers/atm/horizon.c b/drivers/atm/horizon.c -index 5fc81e2..42907ae 100644 ---- a/drivers/atm/horizon.c -+++ b/drivers/atm/horizon.c -@@ -1018,7 +1018,7 @@ static void rx_schedule (hrz_dev * dev, int irq) { - { - struct atm_vcc * vcc = ATM_SKB(skb)->vcc; - // VC layer stats -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - __net_timestamp(skb); - // end of our responsibility - vcc->push (vcc, skb); -@@ -1170,7 +1170,7 @@ static void tx_schedule (hrz_dev * const dev, int irq) { - dev->tx_iovec = NULL; - - // VC layer stats -- atomic_inc(&ATM_SKB(skb)->vcc->stats->tx); -+ atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx); - - // free the skb - hrz_kfree_skb (skb); -diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c -index 074616b..d6b3d5f 100644 ---- a/drivers/atm/idt77252.c -+++ b/drivers/atm/idt77252.c -@@ -811,7 +811,7 @@ drain_scq(struct idt77252_dev *card, struct vc_map *vc) - else - dev_kfree_skb(skb); - -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - } - - atomic_dec(&scq->used); -@@ -1073,13 +1073,13 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) - if ((sb = dev_alloc_skb(64)) == NULL) { - printk("%s: Can't allocate buffers for aal0.\n", - card->name); -- atomic_add(i, &vcc->stats->rx_drop); -+ atomic_add_unchecked(i, &vcc->stats->rx_drop); - break; - } - if (!atm_charge(vcc, sb->truesize)) { - RXPRINTK("%s: atm_charge() dropped aal0 packets.\n", - card->name); -- atomic_add(i - 1, &vcc->stats->rx_drop); -+ atomic_add_unchecked(i - 1, &vcc->stats->rx_drop); - dev_kfree_skb(sb); - break; - } -@@ -1096,7 +1096,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) - ATM_SKB(sb)->vcc = vcc; - __net_timestamp(sb); - vcc->push(vcc, sb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - cell += ATM_CELL_PAYLOAD; - } -@@ -1133,13 +1133,13 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) - "(CDC: %08x)\n", - card->name, len, rpp->len, readl(SAR_REG_CDC)); - recycle_rx_pool_skb(card, rpp); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - return; - } - if (stat & SAR_RSQE_CRC) { - RXPRINTK("%s: AAL5 CRC error.\n", card->name); - recycle_rx_pool_skb(card, rpp); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - return; - } - if (skb_queue_len(&rpp->queue) > 1) { -@@ -1150,7 +1150,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) - RXPRINTK("%s: Can't alloc RX skb.\n", - card->name); - recycle_rx_pool_skb(card, rpp); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - return; - } - if (!atm_charge(vcc, skb->truesize)) { -@@ -1169,7 +1169,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) - __net_timestamp(skb); - - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - return; - } -@@ -1191,7 +1191,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) - __net_timestamp(skb); - - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - if (skb->truesize > SAR_FB_SIZE_3) - add_rx_skb(card, 3, SAR_FB_SIZE_3, 1); -@@ -1302,14 +1302,14 @@ idt77252_rx_raw(struct idt77252_dev *card) - if (vcc->qos.aal != ATM_AAL0) { - RPRINTK("%s: raw cell for non AAL0 vc %u.%u\n", - card->name, vpi, vci); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - goto drop; - } - - if ((sb = dev_alloc_skb(64)) == NULL) { - printk("%s: Can't allocate buffers for AAL0.\n", - card->name); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto drop; - } - -@@ -1328,7 +1328,7 @@ idt77252_rx_raw(struct idt77252_dev *card) - ATM_SKB(sb)->vcc = vcc; - __net_timestamp(sb); - vcc->push(vcc, sb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - drop: - skb_pull(queue, 64); -@@ -1953,13 +1953,13 @@ idt77252_send_skb(struct atm_vcc *vcc, struct sk_buff *skb, int oam) - - if (vc == NULL) { - printk("%s: NULL connection in send().\n", card->name); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb(skb); - return -EINVAL; - } - if (!test_bit(VCF_TX, &vc->flags)) { - printk("%s: Trying to transmit on a non-tx VC.\n", card->name); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb(skb); - return -EINVAL; - } -@@ -1971,14 +1971,14 @@ idt77252_send_skb(struct atm_vcc *vcc, struct sk_buff *skb, int oam) - break; - default: - printk("%s: Unsupported AAL: %d\n", card->name, vcc->qos.aal); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb(skb); - return -EINVAL; - } - - if (skb_shinfo(skb)->nr_frags != 0) { - printk("%s: No scatter-gather yet.\n", card->name); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb(skb); - return -EINVAL; - } -@@ -1986,7 +1986,7 @@ idt77252_send_skb(struct atm_vcc *vcc, struct sk_buff *skb, int oam) - - err = queue_skb(card, vc, skb, oam); - if (err) { -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb(skb); - return err; - } -@@ -2009,7 +2009,7 @@ idt77252_send_oam(struct atm_vcc *vcc, void *cell, int flags) - skb = dev_alloc_skb(64); - if (!skb) { - printk("%s: Out of memory in send_oam().\n", card->name); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - return -ENOMEM; - } - atomic_add(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc); -diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c -index b275676..948649d 100644 ---- a/drivers/atm/iphase.c -+++ b/drivers/atm/iphase.c -@@ -1146,7 +1146,7 @@ static int rx_pkt(struct atm_dev *dev) - status = (u_short) (buf_desc_ptr->desc_mode); - if (status & (RX_CER | RX_PTE | RX_OFL)) - { -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - IF_ERR(printk("IA: bad packet, dropping it");) - if (status & RX_CER) { - IF_ERR(printk(" cause: packet CRC error\n");) -@@ -1169,7 +1169,7 @@ static int rx_pkt(struct atm_dev *dev) - len = dma_addr - buf_addr; - if (len > iadev->rx_buf_sz) { - printk("Over %d bytes sdu received, dropped!!!\n", iadev->rx_buf_sz); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto out_free_desc; - } - -@@ -1319,7 +1319,7 @@ static void rx_dle_intr(struct atm_dev *dev) - ia_vcc = INPH_IA_VCC(vcc); - if (ia_vcc == NULL) - { -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - atm_return(vcc, skb->truesize); - dev_kfree_skb_any(skb); - goto INCR_DLE; -@@ -1331,7 +1331,7 @@ static void rx_dle_intr(struct atm_dev *dev) - if ((length > iadev->rx_buf_sz) || (length > - (skb->len - sizeof(struct cpcs_trailer)))) - { -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - IF_ERR(printk("rx_dle_intr: Bad AAL5 trailer %d (skb len %d)", - length, skb->len);) - atm_return(vcc, skb->truesize); -@@ -1347,7 +1347,7 @@ static void rx_dle_intr(struct atm_dev *dev) - - IF_RX(printk("rx_dle_intr: skb push");) - vcc->push(vcc,skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - iadev->rx_pkt_cnt++; - } - INCR_DLE: -@@ -2834,15 +2834,15 @@ static int ia_ioctl(struct atm_dev *dev, unsigned int cmd, void __user *arg) - { - struct k_sonet_stats *stats; - stats = &PRIV(_ia_dev[board])->sonet_stats; -- printk("section_bip: %d\n", atomic_read(&stats->section_bip)); -- printk("line_bip : %d\n", atomic_read(&stats->line_bip)); -- printk("path_bip : %d\n", atomic_read(&stats->path_bip)); -- printk("line_febe : %d\n", atomic_read(&stats->line_febe)); -- printk("path_febe : %d\n", atomic_read(&stats->path_febe)); -- printk("corr_hcs : %d\n", atomic_read(&stats->corr_hcs)); -- printk("uncorr_hcs : %d\n", atomic_read(&stats->uncorr_hcs)); -- printk("tx_cells : %d\n", atomic_read(&stats->tx_cells)); -- printk("rx_cells : %d\n", atomic_read(&stats->rx_cells)); -+ printk("section_bip: %d\n", atomic_read_unchecked(&stats->section_bip)); -+ printk("line_bip : %d\n", atomic_read_unchecked(&stats->line_bip)); -+ printk("path_bip : %d\n", atomic_read_unchecked(&stats->path_bip)); -+ printk("line_febe : %d\n", atomic_read_unchecked(&stats->line_febe)); -+ printk("path_febe : %d\n", atomic_read_unchecked(&stats->path_febe)); -+ printk("corr_hcs : %d\n", atomic_read_unchecked(&stats->corr_hcs)); -+ printk("uncorr_hcs : %d\n", atomic_read_unchecked(&stats->uncorr_hcs)); -+ printk("tx_cells : %d\n", atomic_read_unchecked(&stats->tx_cells)); -+ printk("rx_cells : %d\n", atomic_read_unchecked(&stats->rx_cells)); - } - ia_cmds.status = 0; - break; -@@ -2947,7 +2947,7 @@ static int ia_pkt_tx (struct atm_vcc *vcc, struct sk_buff *skb) { - if ((desc == 0) || (desc > iadev->num_tx_desc)) - { - IF_ERR(printk(DEV_LABEL "invalid desc for send: %d\n", desc);) -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - if (vcc->pop) - vcc->pop(vcc, skb); - else -@@ -3052,14 +3052,14 @@ static int ia_pkt_tx (struct atm_vcc *vcc, struct sk_buff *skb) { - ATM_DESC(skb) = vcc->vci; - skb_queue_tail(&iadev->tx_dma_q, skb); - -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - iadev->tx_pkt_cnt++; - /* Increment transaction counter */ - writel(2, iadev->dma+IPHASE5575_TX_COUNTER); - - #if 0 - /* add flow control logic */ -- if (atomic_read(&vcc->stats->tx) % 20 == 0) { -+ if (atomic_read_unchecked(&vcc->stats->tx) % 20 == 0) { - if (iavcc->vc_desc_cnt > 10) { - vcc->tx_quota = vcc->tx_quota * 3 / 4; - printk("Tx1: vcc->tx_quota = %d \n", (u32)vcc->tx_quota ); -diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c -index 445505d..10a1bd7 100644 ---- a/drivers/atm/lanai.c -+++ b/drivers/atm/lanai.c -@@ -1295,7 +1295,7 @@ static void lanai_send_one_aal5(struct lanai_dev *lanai, - vcc_tx_add_aal5_trailer(lvcc, skb->len, 0, 0); - lanai_endtx(lanai, lvcc); - lanai_free_skb(lvcc->tx.atmvcc, skb); -- atomic_inc(&lvcc->tx.atmvcc->stats->tx); -+ atomic_inc_unchecked(&lvcc->tx.atmvcc->stats->tx); - } - - /* Try to fill the buffer - don't call unless there is backlog */ -@@ -1418,7 +1418,7 @@ static void vcc_rx_aal5(struct lanai_vcc *lvcc, int endptr) - ATM_SKB(skb)->vcc = lvcc->rx.atmvcc; - __net_timestamp(skb); - lvcc->rx.atmvcc->push(lvcc->rx.atmvcc, skb); -- atomic_inc(&lvcc->rx.atmvcc->stats->rx); -+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx); - out: - lvcc->rx.buf.ptr = end; - cardvcc_write(lvcc, endptr, vcc_rxreadptr); -@@ -1659,7 +1659,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s) - DPRINTK("(itf %d) got RX service entry 0x%X for non-AAL5 " - "vcc %d\n", lanai->number, (unsigned int) s, vci); - lanai->stats.service_rxnotaal5++; -- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err); -+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err); - return 0; - } - if (likely(!(s & (SERVICE_TRASH | SERVICE_STREAM | SERVICE_CRCERR)))) { -@@ -1671,7 +1671,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s) - int bytes; - read_unlock(&vcc_sklist_lock); - DPRINTK("got trashed rx pdu on vci %d\n", vci); -- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err); -+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err); - lvcc->stats.x.aal5.service_trash++; - bytes = (SERVICE_GET_END(s) * 16) - - (((unsigned long) lvcc->rx.buf.ptr) - -@@ -1683,7 +1683,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s) - } - if (s & SERVICE_STREAM) { - read_unlock(&vcc_sklist_lock); -- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err); -+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err); - lvcc->stats.x.aal5.service_stream++; - printk(KERN_ERR DEV_LABEL "(itf %d): Got AAL5 stream " - "PDU on VCI %d!\n", lanai->number, vci); -@@ -1691,7 +1691,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s) - return 0; - } - DPRINTK("got rx crc error on vci %d\n", vci); -- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err); -+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err); - lvcc->stats.x.aal5.service_rxcrc++; - lvcc->rx.buf.ptr = &lvcc->rx.buf.start[SERVICE_GET_END(s) * 4]; - cardvcc_write(lvcc, SERVICE_GET_END(s), vcc_rxreadptr); -diff --git a/drivers/atm/nicstar.c b/drivers/atm/nicstar.c -index c7296b5..7db29bf 100644 ---- a/drivers/atm/nicstar.c -+++ b/drivers/atm/nicstar.c -@@ -1635,7 +1635,7 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb) - if ((vc = (vc_map *) vcc->dev_data) == NULL) { - printk("nicstar%d: vcc->dev_data == NULL on ns_send().\n", - card->index); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return -EINVAL; - } -@@ -1643,7 +1643,7 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb) - if (!vc->tx) { - printk("nicstar%d: Trying to transmit on a non-tx VC.\n", - card->index); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return -EINVAL; - } -@@ -1651,14 +1651,14 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb) - if (vcc->qos.aal != ATM_AAL5 && vcc->qos.aal != ATM_AAL0) { - printk("nicstar%d: Only AAL0 and AAL5 are supported.\n", - card->index); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return -EINVAL; - } - - if (skb_shinfo(skb)->nr_frags != 0) { - printk("nicstar%d: No scatter-gather yet.\n", card->index); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return -EINVAL; - } -@@ -1706,11 +1706,11 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb) - } - - if (push_scqe(card, vc, scq, &scqe, skb) != 0) { -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return -EIO; - } -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - - return 0; - } -@@ -2028,14 +2028,14 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - printk - ("nicstar%d: Can't allocate buffers for aal0.\n", - card->index); -- atomic_add(i, &vcc->stats->rx_drop); -+ atomic_add_unchecked(i, &vcc->stats->rx_drop); - break; - } - if (!atm_charge(vcc, sb->truesize)) { - RXPRINTK - ("nicstar%d: atm_charge() dropped aal0 packets.\n", - card->index); -- atomic_add(i - 1, &vcc->stats->rx_drop); /* already increased by 1 */ -+ atomic_add_unchecked(i - 1, &vcc->stats->rx_drop); /* already increased by 1 */ - dev_kfree_skb_any(sb); - break; - } -@@ -2050,7 +2050,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - ATM_SKB(sb)->vcc = vcc; - __net_timestamp(sb); - vcc->push(vcc, sb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - cell += ATM_CELL_PAYLOAD; - } - -@@ -2067,7 +2067,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - if (iovb == NULL) { - printk("nicstar%d: Out of iovec buffers.\n", - card->index); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - recycle_rx_buf(card, skb); - return; - } -@@ -2091,7 +2091,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - small or large buffer itself. */ - } else if (NS_PRV_IOVCNT(iovb) >= NS_MAX_IOVECS) { - printk("nicstar%d: received too big AAL5 SDU.\n", card->index); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data, - NS_MAX_IOVECS); - NS_PRV_IOVCNT(iovb) = 0; -@@ -2111,7 +2111,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - ("nicstar%d: Expected a small buffer, and this is not one.\n", - card->index); - which_list(card, skb); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - recycle_rx_buf(card, skb); - vc->rx_iov = NULL; - recycle_iov_buf(card, iovb); -@@ -2124,7 +2124,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - ("nicstar%d: Expected a large buffer, and this is not one.\n", - card->index); - which_list(card, skb); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data, - NS_PRV_IOVCNT(iovb)); - vc->rx_iov = NULL; -@@ -2147,7 +2147,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - printk(" - PDU size mismatch.\n"); - else - printk(".\n"); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data, - NS_PRV_IOVCNT(iovb)); - vc->rx_iov = NULL; -@@ -2161,14 +2161,14 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - /* skb points to a small buffer */ - if (!atm_charge(vcc, skb->truesize)) { - push_rxbufs(card, skb); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - } else { - skb_put(skb, len); - dequeue_sm_buf(card, skb); - ATM_SKB(skb)->vcc = vcc; - __net_timestamp(skb); - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - } else if (NS_PRV_IOVCNT(iovb) == 2) { /* One small plus one large buffer */ - struct sk_buff *sb; -@@ -2179,14 +2179,14 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - if (len <= NS_SMBUFSIZE) { - if (!atm_charge(vcc, sb->truesize)) { - push_rxbufs(card, sb); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - } else { - skb_put(sb, len); - dequeue_sm_buf(card, sb); - ATM_SKB(sb)->vcc = vcc; - __net_timestamp(sb); - vcc->push(vcc, sb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - - push_rxbufs(card, skb); -@@ -2195,7 +2195,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - - if (!atm_charge(vcc, skb->truesize)) { - push_rxbufs(card, skb); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - } else { - dequeue_lg_buf(card, skb); - skb_push(skb, NS_SMBUFSIZE); -@@ -2205,7 +2205,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - ATM_SKB(skb)->vcc = vcc; - __net_timestamp(skb); - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - - push_rxbufs(card, sb); -@@ -2226,7 +2226,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - printk - ("nicstar%d: Out of huge buffers.\n", - card->index); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - recycle_iovec_rx_bufs(card, - (struct iovec *) - iovb->data, -@@ -2277,7 +2277,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - card->hbpool.count++; - } else - dev_kfree_skb_any(hb); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - } else { - /* Copy the small buffer to the huge buffer */ - sb = (struct sk_buff *)iov->iov_base; -@@ -2311,7 +2311,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - ATM_SKB(hb)->vcc = vcc; - __net_timestamp(hb); - vcc->push(vcc, hb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - } - -diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c -index 6ac2b2b..6373ebdc 100644 ---- a/drivers/atm/solos-pci.c -+++ b/drivers/atm/solos-pci.c -@@ -849,7 +849,7 @@ static void solos_bh(unsigned long card_arg) - } - atm_charge(vcc, skb->truesize); - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - break; - - case PKT_STATUS: -@@ -1130,7 +1130,7 @@ static uint32_t fpga_tx(struct solos_card *card) - vcc = SKB_CB(oldskb)->vcc; - - if (vcc) { -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - solos_pop(vcc, oldskb); - } else { - dev_kfree_skb_irq(oldskb); -diff --git a/drivers/atm/suni.c b/drivers/atm/suni.c -index 0215934..ce9f5b1 100644 ---- a/drivers/atm/suni.c -+++ b/drivers/atm/suni.c -@@ -49,8 +49,8 @@ static DEFINE_SPINLOCK(sunis_lock); - - - #define ADD_LIMITED(s,v) \ -- atomic_add((v),&stats->s); \ -- if (atomic_read(&stats->s) < 0) atomic_set(&stats->s,INT_MAX); -+ atomic_add_unchecked((v),&stats->s); \ -+ if (atomic_read_unchecked(&stats->s) < 0) atomic_set_unchecked(&stats->s,INT_MAX); - - - static void suni_hz(unsigned long from_timer) -diff --git a/drivers/atm/uPD98402.c b/drivers/atm/uPD98402.c -index 5120a96..e2572bd 100644 ---- a/drivers/atm/uPD98402.c -+++ b/drivers/atm/uPD98402.c -@@ -42,7 +42,7 @@ static int fetch_stats(struct atm_dev *dev,struct sonet_stats __user *arg,int ze - struct sonet_stats tmp; - int error = 0; - -- atomic_add(GET(HECCT),&PRIV(dev)->sonet_stats.uncorr_hcs); -+ atomic_add_unchecked(GET(HECCT),&PRIV(dev)->sonet_stats.uncorr_hcs); - sonet_copy_stats(&PRIV(dev)->sonet_stats,&tmp); - if (arg) error = copy_to_user(arg,&tmp,sizeof(tmp)); - if (zero && !error) { -@@ -161,9 +161,9 @@ static int uPD98402_ioctl(struct atm_dev *dev,unsigned int cmd,void __user *arg) - - - #define ADD_LIMITED(s,v) \ -- { atomic_add(GET(v),&PRIV(dev)->sonet_stats.s); \ -- if (atomic_read(&PRIV(dev)->sonet_stats.s) < 0) \ -- atomic_set(&PRIV(dev)->sonet_stats.s,INT_MAX); } -+ { atomic_add_unchecked(GET(v),&PRIV(dev)->sonet_stats.s); \ -+ if (atomic_read_unchecked(&PRIV(dev)->sonet_stats.s) < 0) \ -+ atomic_set_unchecked(&PRIV(dev)->sonet_stats.s,INT_MAX); } - - - static void stat_event(struct atm_dev *dev) -@@ -194,7 +194,7 @@ static void uPD98402_int(struct atm_dev *dev) - if (reason & uPD98402_INT_PFM) stat_event(dev); - if (reason & uPD98402_INT_PCO) { - (void) GET(PCOCR); /* clear interrupt cause */ -- atomic_add(GET(HECCT), -+ atomic_add_unchecked(GET(HECCT), - &PRIV(dev)->sonet_stats.uncorr_hcs); - } - if ((reason & uPD98402_INT_RFO) && -@@ -222,9 +222,9 @@ static int uPD98402_start(struct atm_dev *dev) - PUT(~(uPD98402_INT_PFM | uPD98402_INT_ALM | uPD98402_INT_RFO | - uPD98402_INT_LOS),PIMR); /* enable them */ - (void) fetch_stats(dev,NULL,1); /* clear kernel counters */ -- atomic_set(&PRIV(dev)->sonet_stats.corr_hcs,-1); -- atomic_set(&PRIV(dev)->sonet_stats.tx_cells,-1); -- atomic_set(&PRIV(dev)->sonet_stats.rx_cells,-1); -+ atomic_set_unchecked(&PRIV(dev)->sonet_stats.corr_hcs,-1); -+ atomic_set_unchecked(&PRIV(dev)->sonet_stats.tx_cells,-1); -+ atomic_set_unchecked(&PRIV(dev)->sonet_stats.rx_cells,-1); - return 0; - } - -diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c -index d3dc954..d71820a 100644 ---- a/drivers/atm/zatm.c -+++ b/drivers/atm/zatm.c -@@ -459,7 +459,7 @@ printk("dummy: 0x%08lx, 0x%08lx\n",dummy[0],dummy[1]); - } - if (!size) { - dev_kfree_skb_irq(skb); -- if (vcc) atomic_inc(&vcc->stats->rx_err); -+ if (vcc) atomic_inc_unchecked(&vcc->stats->rx_err); - continue; - } - if (!atm_charge(vcc,skb->truesize)) { -@@ -469,7 +469,7 @@ printk("dummy: 0x%08lx, 0x%08lx\n",dummy[0],dummy[1]); - skb->len = size; - ATM_SKB(skb)->vcc = vcc; - vcc->push(vcc,skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - zout(pos & 0xffff,MTA(mbx)); - #if 0 /* probably a stupid idea */ -@@ -734,7 +734,7 @@ if (*ZATM_PRV_DSC(skb) != (uPD98401_TXPD_V | uPD98401_TXPD_DP | - skb_queue_head(&zatm_vcc->backlog,skb); - break; - } -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - wake_up(&zatm_vcc->tx_wait); - } - -diff --git a/drivers/base/bus.c b/drivers/base/bus.c -index 6470eb8..3a7d92b 100644 ---- a/drivers/base/bus.c -+++ b/drivers/base/bus.c -@@ -1136,7 +1136,7 @@ int subsys_interface_register(struct subsys_interface *sif) - return -EINVAL; - - mutex_lock(&subsys->p->mutex); -- list_add_tail(&sif->node, &subsys->p->interfaces); -+ pax_list_add_tail((struct list_head *)&sif->node, &subsys->p->interfaces); - if (sif->add_dev) { - subsys_dev_iter_init(&iter, subsys, NULL, NULL); - while ((dev = subsys_dev_iter_next(&iter))) -@@ -1161,7 +1161,7 @@ void subsys_interface_unregister(struct subsys_interface *sif) - subsys = sif->subsys; - - mutex_lock(&subsys->p->mutex); -- list_del_init(&sif->node); -+ pax_list_del_init((struct list_head *)&sif->node); - if (sif->remove_dev) { - subsys_dev_iter_init(&iter, subsys, NULL, NULL); - while ((dev = subsys_dev_iter_next(&iter))) -diff --git a/drivers/base/devres.c b/drivers/base/devres.c -index 8fc654f..36e28e9 100644 ---- a/drivers/base/devres.c -+++ b/drivers/base/devres.c -@@ -476,7 +476,9 @@ static int remove_nodes(struct device *dev, - - static int release_nodes(struct device *dev, struct list_head *first, - struct list_head *end, unsigned long flags) -- __releases(&dev->devres_lock) -+ __releases(&dev->devres_lock); -+static int release_nodes(struct device *dev, struct list_head *first, -+ struct list_head *end, unsigned long flags) - { - LIST_HEAD(todo); - int cnt; -diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c -index 44a74cf..a5dd826 100644 ---- a/drivers/base/devtmpfs.c -+++ b/drivers/base/devtmpfs.c -@@ -354,7 +354,7 @@ int devtmpfs_mount(const char *mntdir) - if (!thread) - return 0; - -- err = sys_mount("devtmpfs", (char *)mntdir, "devtmpfs", MS_SILENT, NULL); -+ err = sys_mount((char __force_user *)"devtmpfs", (char __force_user *)mntdir, (char __force_user *)"devtmpfs", MS_SILENT, NULL); - if (err) - printk(KERN_INFO "devtmpfs: error mounting %i\n", err); - else -@@ -380,11 +380,11 @@ static int devtmpfsd(void *p) - *err = sys_unshare(CLONE_NEWNS); - if (*err) - goto out; -- *err = sys_mount("devtmpfs", "/", "devtmpfs", MS_SILENT, options); -+ *err = sys_mount((char __force_user *)"devtmpfs", (char __force_user *)"/", (char __force_user *)"devtmpfs", MS_SILENT, (char __force_user *)options); - if (*err) - goto out; -- sys_chdir("/.."); /* will traverse into overmounted root */ -- sys_chroot("."); -+ sys_chdir((char __force_user *)"/.."); /* will traverse into overmounted root */ -+ sys_chroot((char __force_user *)"."); - complete(&setup_done); - while (1) { - spin_lock(&req_lock); -diff --git a/drivers/base/node.c b/drivers/base/node.c -index 5548f96..3cbdfc1 100644 ---- a/drivers/base/node.c -+++ b/drivers/base/node.c -@@ -638,7 +638,7 @@ static ssize_t print_nodes_state(enum node_states state, char *buf) - struct node_attr { - struct device_attribute attr; - enum node_states state; --}; -+} __do_const; - - static ssize_t show_node_state(struct device *dev, - struct device_attribute *attr, char *buf) -diff --git a/drivers/base/platform-msi.c b/drivers/base/platform-msi.c -index be6a599..d9985c26 100644 ---- a/drivers/base/platform-msi.c -+++ b/drivers/base/platform-msi.c -@@ -24,6 +24,8 @@ - #include - #include - -+#include -+ - #define DEV_ID_SHIFT 21 - #define MAX_DEV_MSIS (1 << (32 - DEV_ID_SHIFT)) - -@@ -81,10 +83,12 @@ static void platform_msi_update_dom_ops(struct msi_domain_info *info) - - BUG_ON(!ops); - -+ pax_open_kernel(); - if (ops->msi_init == NULL) -- ops->msi_init = platform_msi_init; -+ const_cast(ops->msi_init) = platform_msi_init; - if (ops->set_desc == NULL) -- ops->set_desc = platform_msi_set_desc; -+ const_cast(ops->set_desc) = platform_msi_set_desc; -+ pax_close_kernel(); - } - - static void platform_msi_write_msg(struct irq_data *data, struct msi_msg *msg) -@@ -102,16 +106,18 @@ static void platform_msi_update_chip_ops(struct msi_domain_info *info) - struct irq_chip *chip = info->chip; - - BUG_ON(!chip); -+ pax_open_kernel(); - if (!chip->irq_mask) -- chip->irq_mask = irq_chip_mask_parent; -+ const_cast(chip->irq_mask) = irq_chip_mask_parent; - if (!chip->irq_unmask) -- chip->irq_unmask = irq_chip_unmask_parent; -+ const_cast(chip->irq_unmask) = irq_chip_unmask_parent; - if (!chip->irq_eoi) -- chip->irq_eoi = irq_chip_eoi_parent; -+ const_cast(chip->irq_eoi) = irq_chip_eoi_parent; - if (!chip->irq_set_affinity) -- chip->irq_set_affinity = msi_domain_set_affinity; -+ const_cast(chip->irq_set_affinity) = msi_domain_set_affinity; - if (!chip->irq_write_msi_msg) -- chip->irq_write_msi_msg = platform_msi_write_msg; -+ const_cast(chip->irq_write_msi_msg) = platform_msi_write_msg; -+ pax_close_kernel(); - } - - static void platform_msi_free_descs(struct device *dev, int base, int nvec) -diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c -index e023066..a28458a 100644 ---- a/drivers/base/power/domain.c -+++ b/drivers/base/power/domain.c -@@ -1895,8 +1895,10 @@ int genpd_dev_pm_attach(struct device *dev) - goto out; - } - -- dev->pm_domain->detach = genpd_dev_pm_detach; -- dev->pm_domain->sync = genpd_dev_pm_sync; -+ pax_open_kernel(); -+ const_cast(dev->pm_domain->detach) = genpd_dev_pm_detach; -+ const_cast(dev->pm_domain->sync) = genpd_dev_pm_sync; -+ pax_close_kernel(); - - mutex_lock(&pd->lock); - ret = genpd_poweron(pd, 0); -diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c -index 23f3b95..875d17f 100644 ---- a/drivers/base/power/runtime.c -+++ b/drivers/base/power/runtime.c -@@ -16,35 +16,32 @@ - - typedef int (*pm_callback_t)(struct device *); - --static pm_callback_t __rpm_get_callback(struct device *dev, size_t cb_offset) --{ -- pm_callback_t cb; -- const struct dev_pm_ops *ops; -- -- if (dev->pm_domain) -- ops = &dev->pm_domain->ops; -- else if (dev->type && dev->type->pm) -- ops = dev->type->pm; -- else if (dev->class && dev->class->pm) -- ops = dev->class->pm; -- else if (dev->bus && dev->bus->pm) -- ops = dev->bus->pm; -- else -- ops = NULL; -- -- if (ops) -- cb = *(pm_callback_t *)((void *)ops + cb_offset); -- else -- cb = NULL; -- -- if (!cb && dev->driver && dev->driver->pm) -- cb = *(pm_callback_t *)((void *)dev->driver->pm + cb_offset); -- -- return cb; --} -- --#define RPM_GET_CALLBACK(dev, callback) \ -- __rpm_get_callback(dev, offsetof(struct dev_pm_ops, callback)) -+#define RPM_GET_CALLBACK(dev, callback) \ -+({ \ -+ pm_callback_t cb; \ -+ const struct dev_pm_ops *ops; \ -+ \ -+ if (dev->pm_domain) \ -+ ops = &dev->pm_domain->ops; \ -+ else if (dev->type && dev->type->pm) \ -+ ops = dev->type->pm; \ -+ else if (dev->class && dev->class->pm) \ -+ ops = dev->class->pm; \ -+ else if (dev->bus && dev->bus->pm) \ -+ ops = dev->bus->pm; \ -+ else \ -+ ops = NULL; \ -+ \ -+ if (ops) \ -+ cb = ops->callback; \ -+ else \ -+ cb = NULL; \ -+ \ -+ if (!cb && dev->driver && dev->driver->pm) \ -+ cb = dev->driver->pm->callback; \ -+ \ -+ cb; \ -+}) - - static int rpm_resume(struct device *dev, int rpmflags); - static int rpm_suspend(struct device *dev, int rpmflags); -@@ -263,8 +260,8 @@ static int rpm_check_suspend_allowed(struct device *dev) - * @cb: Runtime PM callback to run. - * @dev: Device to run the callback for. - */ -+static int __rpm_callback(int (*cb)(struct device *), struct device *dev) __must_hold(&dev->power.lock); - static int __rpm_callback(int (*cb)(struct device *), struct device *dev) -- __releases(&dev->power.lock) __acquires(&dev->power.lock) - { - int retval; - -@@ -412,8 +409,8 @@ static int rpm_callback(int (*cb)(struct device *), struct device *dev) - * - * This function must be called under dev->power.lock with interrupts disabled. - */ -+static int rpm_suspend(struct device *dev, int rpmflags) __must_hold(&dev->power.lock); - static int rpm_suspend(struct device *dev, int rpmflags) -- __releases(&dev->power.lock) __acquires(&dev->power.lock) - { - int (*callback)(struct device *); - struct device *parent = NULL; -@@ -594,8 +591,8 @@ static int rpm_suspend(struct device *dev, int rpmflags) - * - * This function must be called under dev->power.lock with interrupts disabled. - */ -+static int rpm_resume(struct device *dev, int rpmflags) __must_hold(&dev->power.lock); - static int rpm_resume(struct device *dev, int rpmflags) -- __releases(&dev->power.lock) __acquires(&dev->power.lock) - { - int (*callback)(struct device *); - struct device *parent = NULL; -diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c -index a7b4679..d302490 100644 ---- a/drivers/base/power/sysfs.c -+++ b/drivers/base/power/sysfs.c -@@ -181,7 +181,7 @@ static ssize_t rtpm_status_show(struct device *dev, - return -EIO; - } - } -- return sprintf(buf, p); -+ return sprintf(buf, "%s", p); - } - - static DEVICE_ATTR(runtime_status, 0444, rtpm_status_show, NULL); -diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c -index 62e4de2..38961cd 100644 ---- a/drivers/base/power/wakeup.c -+++ b/drivers/base/power/wakeup.c -@@ -36,14 +36,14 @@ static bool pm_abort_suspend __read_mostly; - * They need to be modified together atomically, so it's better to use one - * atomic variable to hold them both. - */ --static atomic_t combined_event_count = ATOMIC_INIT(0); -+static atomic_unchecked_t combined_event_count = ATOMIC_INIT(0); - - #define IN_PROGRESS_BITS (sizeof(int) * 4) - #define MAX_IN_PROGRESS ((1 << IN_PROGRESS_BITS) - 1) - - static void split_counters(unsigned int *cnt, unsigned int *inpr) - { -- unsigned int comb = atomic_read(&combined_event_count); -+ unsigned int comb = atomic_read_unchecked(&combined_event_count); - - *cnt = (comb >> IN_PROGRESS_BITS); - *inpr = comb & MAX_IN_PROGRESS; -@@ -538,7 +538,7 @@ static void wakeup_source_activate(struct wakeup_source *ws) - ws->start_prevent_time = ws->last_time; - - /* Increment the counter of events in progress. */ -- cec = atomic_inc_return(&combined_event_count); -+ cec = atomic_inc_return_unchecked(&combined_event_count); - - trace_wakeup_source_activate(ws->name, cec); - } -@@ -664,7 +664,7 @@ static void wakeup_source_deactivate(struct wakeup_source *ws) - * Increment the counter of registered wakeup events and decrement the - * couter of wakeup events in progress simultaneously. - */ -- cec = atomic_add_return(MAX_IN_PROGRESS, &combined_event_count); -+ cec = atomic_add_return_unchecked(MAX_IN_PROGRESS, &combined_event_count); - trace_wakeup_source_deactivate(ws->name, cec); - - split_counters(&cnt, &inpr); -diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c -index 36ce351..bfb18b9 100644 ---- a/drivers/base/regmap/regmap-debugfs.c -+++ b/drivers/base/regmap/regmap-debugfs.c -@@ -410,7 +410,7 @@ static const struct file_operations regmap_reg_ranges_fops = { - static int regmap_access_show(struct seq_file *s, void *ignored) - { - struct regmap *map = s->private; -- int i, reg_len; -+ unsigned int i, reg_len; - - reg_len = regmap_calc_reg_len(map->max_register); - -diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c -index ae63bb0..6481579 100644 ---- a/drivers/base/regmap/regmap.c -+++ b/drivers/base/regmap/regmap.c -@@ -425,8 +425,8 @@ static void regmap_unlock_mutex(void *__map) - mutex_unlock(&map->mutex); - } - -+static void regmap_lock_spinlock(void *__map) __acquires(&map->spinlock); - static void regmap_lock_spinlock(void *__map) --__acquires(&map->spinlock) - { - struct regmap *map = __map; - unsigned long flags; -@@ -435,8 +435,8 @@ __acquires(&map->spinlock) - map->spinlock_flags = flags; - } - -+static void regmap_unlock_spinlock(void *__map) __releases(&map->spinlock); - static void regmap_unlock_spinlock(void *__map) --__releases(&map->spinlock) - { - struct regmap *map = __map; - spin_unlock_irqrestore(&map->spinlock, map->spinlock_flags); -diff --git a/drivers/base/syscore.c b/drivers/base/syscore.c -index 8d98a32..61d3165 100644 ---- a/drivers/base/syscore.c -+++ b/drivers/base/syscore.c -@@ -22,7 +22,7 @@ static DEFINE_MUTEX(syscore_ops_lock); - void register_syscore_ops(struct syscore_ops *ops) - { - mutex_lock(&syscore_ops_lock); -- list_add_tail(&ops->node, &syscore_ops_list); -+ pax_list_add_tail((struct list_head *)&ops->node, &syscore_ops_list); - mutex_unlock(&syscore_ops_lock); - } - EXPORT_SYMBOL_GPL(register_syscore_ops); -@@ -34,7 +34,7 @@ EXPORT_SYMBOL_GPL(register_syscore_ops); - void unregister_syscore_ops(struct syscore_ops *ops) - { - mutex_lock(&syscore_ops_lock); -- list_del(&ops->node); -+ pax_list_del((struct list_head *)&ops->node); - mutex_unlock(&syscore_ops_lock); - } - EXPORT_SYMBOL_GPL(unregister_syscore_ops); -diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c -index db9d6bb..9c5dc78 100644 ---- a/drivers/block/cciss.c -+++ b/drivers/block/cciss.c -@@ -3017,7 +3017,7 @@ static void start_io(ctlr_info_t *h) - while (!list_empty(&h->reqQ)) { - c = list_entry(h->reqQ.next, CommandList_struct, list); - /* can't do anything if fifo is full */ -- if ((h->access.fifo_full(h))) { -+ if ((h->access->fifo_full(h))) { - dev_warn(&h->pdev->dev, "fifo full\n"); - break; - } -@@ -3027,7 +3027,7 @@ static void start_io(ctlr_info_t *h) - h->Qdepth--; - - /* Tell the controller execute command */ -- h->access.submit_command(h, c); -+ h->access->submit_command(h, c); - - /* Put job onto the completed Q */ - addQ(&h->cmpQ, c); -@@ -3453,17 +3453,17 @@ static void do_cciss_request(struct request_queue *q) - - static inline unsigned long get_next_completion(ctlr_info_t *h) - { -- return h->access.command_completed(h); -+ return h->access->command_completed(h); - } - - static inline int interrupt_pending(ctlr_info_t *h) - { -- return h->access.intr_pending(h); -+ return h->access->intr_pending(h); - } - - static inline long interrupt_not_for_us(ctlr_info_t *h) - { -- return ((h->access.intr_pending(h) == 0) || -+ return ((h->access->intr_pending(h) == 0) || - (h->interrupts_enabled == 0)); - } - -@@ -3496,7 +3496,7 @@ static inline u32 next_command(ctlr_info_t *h) - u32 a; - - if (unlikely(!(h->transMethod & CFGTBL_Trans_Performant))) -- return h->access.command_completed(h); -+ return h->access->command_completed(h); - - if ((*(h->reply_pool_head) & 1) == (h->reply_pool_wraparound)) { - a = *(h->reply_pool_head); /* Next cmd in ring buffer */ -@@ -4053,7 +4053,7 @@ static void cciss_put_controller_into_performant_mode(ctlr_info_t *h) - trans_support & CFGTBL_Trans_use_short_tags); - - /* Change the access methods to the performant access methods */ -- h->access = SA5_performant_access; -+ h->access = &SA5_performant_access; - h->transMethod = CFGTBL_Trans_Performant; - - return; -@@ -4327,7 +4327,7 @@ static int cciss_pci_init(ctlr_info_t *h) - if (prod_index < 0) - return -ENODEV; - h->product_name = products[prod_index].product_name; -- h->access = *(products[prod_index].access); -+ h->access = products[prod_index].access; - - if (cciss_board_disabled(h)) { - dev_warn(&h->pdev->dev, "controller appears to be disabled\n"); -@@ -5058,7 +5058,7 @@ static int cciss_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) - } - - /* make sure the board interrupts are off */ -- h->access.set_intr_mask(h, CCISS_INTR_OFF); -+ h->access->set_intr_mask(h, CCISS_INTR_OFF); - rc = cciss_request_irq(h, do_cciss_msix_intr, do_cciss_intx); - if (rc) - goto clean2; -@@ -5108,7 +5108,7 @@ static int cciss_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) - * fake ones to scoop up any residual completions. - */ - spin_lock_irqsave(&h->lock, flags); -- h->access.set_intr_mask(h, CCISS_INTR_OFF); -+ h->access->set_intr_mask(h, CCISS_INTR_OFF); - spin_unlock_irqrestore(&h->lock, flags); - free_irq(h->intr[h->intr_mode], h); - rc = cciss_request_irq(h, cciss_msix_discard_completions, -@@ -5128,9 +5128,9 @@ static int cciss_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) - dev_info(&h->pdev->dev, "Board READY.\n"); - dev_info(&h->pdev->dev, - "Waiting for stale completions to drain.\n"); -- h->access.set_intr_mask(h, CCISS_INTR_ON); -+ h->access->set_intr_mask(h, CCISS_INTR_ON); - msleep(10000); -- h->access.set_intr_mask(h, CCISS_INTR_OFF); -+ h->access->set_intr_mask(h, CCISS_INTR_OFF); - - rc = controller_reset_failed(h->cfgtable); - if (rc) -@@ -5153,7 +5153,7 @@ static int cciss_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) - cciss_scsi_setup(h); - - /* Turn the interrupts on so we can service requests */ -- h->access.set_intr_mask(h, CCISS_INTR_ON); -+ h->access->set_intr_mask(h, CCISS_INTR_ON); - - /* Get the firmware version */ - inq_buff = kzalloc(sizeof(InquiryData_struct), GFP_KERNEL); -@@ -5225,7 +5225,7 @@ static void cciss_shutdown(struct pci_dev *pdev) - kfree(flush_buf); - if (return_code != IO_OK) - dev_warn(&h->pdev->dev, "Error flushing cache\n"); -- h->access.set_intr_mask(h, CCISS_INTR_OFF); -+ h->access->set_intr_mask(h, CCISS_INTR_OFF); - free_irq(h->intr[h->intr_mode], h); - } - -diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h -index 7fda30e..2f27946 100644 ---- a/drivers/block/cciss.h -+++ b/drivers/block/cciss.h -@@ -101,7 +101,7 @@ struct ctlr_info - /* information about each logical volume */ - drive_info_struct *drv[CISS_MAX_LUN]; - -- struct access_method access; -+ struct access_method *access; - - /* queue and queue Info */ - struct list_head reqQ; -@@ -402,27 +402,27 @@ static bool SA5_performant_intr_pending(ctlr_info_t *h) - } - - static struct access_method SA5_access = { -- SA5_submit_command, -- SA5_intr_mask, -- SA5_fifo_full, -- SA5_intr_pending, -- SA5_completed, -+ .submit_command = SA5_submit_command, -+ .set_intr_mask = SA5_intr_mask, -+ .fifo_full = SA5_fifo_full, -+ .intr_pending = SA5_intr_pending, -+ .command_completed = SA5_completed, - }; - - static struct access_method SA5B_access = { -- SA5_submit_command, -- SA5B_intr_mask, -- SA5_fifo_full, -- SA5B_intr_pending, -- SA5_completed, -+ .submit_command = SA5_submit_command, -+ .set_intr_mask = SA5B_intr_mask, -+ .fifo_full = SA5_fifo_full, -+ .intr_pending = SA5B_intr_pending, -+ .command_completed = SA5_completed, - }; - - static struct access_method SA5_performant_access = { -- SA5_submit_command, -- SA5_performant_intr_mask, -- SA5_fifo_full, -- SA5_performant_intr_pending, -- SA5_performant_completed, -+ .submit_command = SA5_submit_command, -+ .set_intr_mask = SA5_performant_intr_mask, -+ .fifo_full = SA5_fifo_full, -+ .intr_pending = SA5_performant_intr_pending, -+ .command_completed = SA5_performant_completed, - }; - - struct board_type { -diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c -index ab62b81..8f38450 100644 ---- a/drivers/block/drbd/drbd_bitmap.c -+++ b/drivers/block/drbd/drbd_bitmap.c -@@ -1034,7 +1034,7 @@ static void bm_page_io_async(struct drbd_bm_aio_ctx *ctx, int page_nr) __must_ho - submit_bio(bio); - /* this should not count as user activity and cause the - * resync to throttle -- see drbd_rs_should_slow_down(). */ -- atomic_add(len >> 9, &device->rs_sect_ev); -+ atomic_add_unchecked(len >> 9, &device->rs_sect_ev); - } - } - -diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h -index 4cb8f21..d056229 100644 ---- a/drivers/block/drbd/drbd_int.h -+++ b/drivers/block/drbd/drbd_int.h -@@ -383,7 +383,7 @@ struct drbd_epoch { - struct drbd_connection *connection; - struct list_head list; - unsigned int barrier_nr; -- atomic_t epoch_size; /* increased on every request added. */ -+ atomic_unchecked_t epoch_size; /* increased on every request added. */ - atomic_t active; /* increased on every req. added, and dec on every finished. */ - unsigned long flags; - }; -@@ -595,8 +595,8 @@ struct drbd_md { - u32 flags; - u32 md_size_sect; - -- s32 al_offset; /* signed relative sector offset to activity log */ -- s32 bm_offset; /* signed relative sector offset to bitmap */ -+ s32 al_offset __intentional_overflow(0); /* signed relative sector offset to activity log */ -+ s32 bm_offset __intentional_overflow(0); /* signed relative sector offset to bitmap */ - - /* cached value of bdev->disk_conf->meta_dev_idx (see below) */ - s32 meta_dev_idx; -@@ -960,7 +960,7 @@ struct drbd_device { - unsigned int al_tr_number; - int al_tr_cycle; - wait_queue_head_t seq_wait; -- atomic_t packet_seq; -+ atomic_unchecked_t packet_seq; - unsigned int peer_seq; - spinlock_t peer_seq_lock; - unsigned long comm_bm_set; /* communicated number of set bits. */ -@@ -969,8 +969,8 @@ struct drbd_device { - struct mutex own_state_mutex; - struct mutex *state_mutex; /* either own_state_mutex or first_peer_device(device)->connection->cstate_mutex */ - char congestion_reason; /* Why we where congested... */ -- atomic_t rs_sect_in; /* for incoming resync data rate, SyncTarget */ -- atomic_t rs_sect_ev; /* for submitted resync data rate, both */ -+ atomic_unchecked_t rs_sect_in; /* for incoming resync data rate, SyncTarget */ -+ atomic_unchecked_t rs_sect_ev; /* for submitted resync data rate, both */ - int rs_last_sect_ev; /* counter to compare with */ - int rs_last_events; /* counter of read or write "events" (unit sectors) - * on the lower level device when we last looked. */ -@@ -1129,7 +1129,7 @@ extern int drbd_send_drequest_csum(struct drbd_peer_device *, sector_t sector, - enum drbd_packet cmd); - extern int drbd_send_ov_request(struct drbd_peer_device *, sector_t sector, int size); - --extern int drbd_send_bitmap(struct drbd_device *device); -+extern int drbd_send_bitmap(struct drbd_device *device) __intentional_overflow(-1); - extern void drbd_send_sr_reply(struct drbd_peer_device *, enum drbd_state_rv retcode); - extern void conn_send_sr_reply(struct drbd_connection *connection, enum drbd_state_rv retcode); - extern int drbd_send_rs_deallocated(struct drbd_peer_device *, struct drbd_peer_request *); -diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c -index 8348272..f2ddf22 100644 ---- a/drivers/block/drbd/drbd_main.c -+++ b/drivers/block/drbd/drbd_main.c -@@ -1363,7 +1363,7 @@ static int _drbd_send_ack(struct drbd_peer_device *peer_device, enum drbd_packet - p->sector = sector; - p->block_id = block_id; - p->blksize = blksize; -- p->seq_num = cpu_to_be32(atomic_inc_return(&peer_device->device->packet_seq)); -+ p->seq_num = cpu_to_be32(atomic_inc_return_unchecked(&peer_device->device->packet_seq)); - return drbd_send_command(peer_device, sock, cmd, sizeof(*p), NULL, 0); - } - -@@ -1695,7 +1695,7 @@ int drbd_send_dblock(struct drbd_peer_device *peer_device, struct drbd_request * - return -EIO; - p->sector = cpu_to_be64(req->i.sector); - p->block_id = (unsigned long)req; -- p->seq_num = cpu_to_be32(atomic_inc_return(&device->packet_seq)); -+ p->seq_num = cpu_to_be32(atomic_inc_return_unchecked(&device->packet_seq)); - dp_flags = bio_flags_to_wire(peer_device->connection, req->master_bio); - if (device->state.conn >= C_SYNC_SOURCE && - device->state.conn <= C_PAUSED_SYNC_T) -@@ -1984,8 +1984,8 @@ void drbd_init_set_defaults(struct drbd_device *device) - atomic_set(&device->unacked_cnt, 0); - atomic_set(&device->local_cnt, 0); - atomic_set(&device->pp_in_use_by_net, 0); -- atomic_set(&device->rs_sect_in, 0); -- atomic_set(&device->rs_sect_ev, 0); -+ atomic_set_unchecked(&device->rs_sect_in, 0); -+ atomic_set_unchecked(&device->rs_sect_ev, 0); - atomic_set(&device->ap_in_flight, 0); - atomic_set(&device->md_io.in_use, 0); - -@@ -2752,8 +2752,8 @@ void drbd_destroy_connection(struct kref *kref) - struct drbd_connection *connection = container_of(kref, struct drbd_connection, kref); - struct drbd_resource *resource = connection->resource; - -- if (atomic_read(&connection->current_epoch->epoch_size) != 0) -- drbd_err(connection, "epoch_size:%d\n", atomic_read(&connection->current_epoch->epoch_size)); -+ if (atomic_read_unchecked(&connection->current_epoch->epoch_size) != 0) -+ drbd_err(connection, "epoch_size:%d\n", atomic_read_unchecked(&connection->current_epoch->epoch_size)); - kfree(connection->current_epoch); - - idr_destroy(&connection->peer_devices); -diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c -index f35db29..ac6c472 100644 ---- a/drivers/block/drbd/drbd_nl.c -+++ b/drivers/block/drbd/drbd_nl.c -@@ -89,8 +89,8 @@ int drbd_adm_get_initial_state(struct sk_buff *skb, struct netlink_callback *cb) - #include "drbd_nla.h" - #include - --static atomic_t drbd_genl_seq = ATOMIC_INIT(2); /* two. */ --static atomic_t notify_genl_seq = ATOMIC_INIT(2); /* two. */ -+static atomic_unchecked_t drbd_genl_seq = ATOMIC_INIT(2); /* two. */ -+static atomic_unchecked_t notify_genl_seq = ATOMIC_INIT(2); /* two. */ - - DEFINE_MUTEX(notification_mutex); - -@@ -4549,7 +4549,7 @@ void drbd_bcast_event(struct drbd_device *device, const struct sib_info *sib) - unsigned seq; - int err = -ENOMEM; - -- seq = atomic_inc_return(&drbd_genl_seq); -+ seq = atomic_inc_return_unchecked(&drbd_genl_seq); - msg = genlmsg_new(NLMSG_GOODSIZE, GFP_NOIO); - if (!msg) - goto failed; -@@ -4601,7 +4601,7 @@ void notify_resource_state(struct sk_buff *skb, - int err; - - if (!skb) { -- seq = atomic_inc_return(¬ify_genl_seq); -+ seq = atomic_inc_return_unchecked(¬ify_genl_seq); - skb = genlmsg_new(NLMSG_GOODSIZE, GFP_NOIO); - err = -ENOMEM; - if (!skb) -@@ -4652,7 +4652,7 @@ void notify_device_state(struct sk_buff *skb, - int err; - - if (!skb) { -- seq = atomic_inc_return(¬ify_genl_seq); -+ seq = atomic_inc_return_unchecked(¬ify_genl_seq); - skb = genlmsg_new(NLMSG_GOODSIZE, GFP_NOIO); - err = -ENOMEM; - if (!skb) -@@ -4701,7 +4701,7 @@ void notify_connection_state(struct sk_buff *skb, - int err; - - if (!skb) { -- seq = atomic_inc_return(¬ify_genl_seq); -+ seq = atomic_inc_return_unchecked(¬ify_genl_seq); - skb = genlmsg_new(NLMSG_GOODSIZE, GFP_NOIO); - err = -ENOMEM; - if (!skb) -@@ -4751,7 +4751,7 @@ void notify_peer_device_state(struct sk_buff *skb, - int err; - - if (!skb) { -- seq = atomic_inc_return(¬ify_genl_seq); -+ seq = atomic_inc_return_unchecked(¬ify_genl_seq); - skb = genlmsg_new(NLMSG_GOODSIZE, GFP_NOIO); - err = -ENOMEM; - if (!skb) -@@ -4794,7 +4794,7 @@ void notify_helper(enum drbd_notification_type type, - { - struct drbd_resource *resource = device ? device->resource : connection->resource; - struct drbd_helper_info helper_info; -- unsigned int seq = atomic_inc_return(¬ify_genl_seq); -+ unsigned int seq = atomic_inc_return_unchecked(¬ify_genl_seq); - struct sk_buff *skb = NULL; - struct drbd_genlmsghdr *dh; - int err; -diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c -index 942384f..2a20af4 100644 ---- a/drivers/block/drbd/drbd_receiver.c -+++ b/drivers/block/drbd/drbd_receiver.c -@@ -898,7 +898,7 @@ int drbd_connected(struct drbd_peer_device *peer_device) - struct drbd_device *device = peer_device->device; - int err; - -- atomic_set(&device->packet_seq, 0); -+ atomic_set_unchecked(&device->packet_seq, 0); - device->peer_seq = 0; - - device->state_mutex = peer_device->connection->agreed_pro_version < 100 ? -@@ -1333,7 +1333,7 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_connection *connectio - do { - next_epoch = NULL; - -- epoch_size = atomic_read(&epoch->epoch_size); -+ epoch_size = atomic_read_unchecked(&epoch->epoch_size); - - switch (ev & ~EV_CLEANUP) { - case EV_PUT: -@@ -1373,7 +1373,7 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_connection *connectio - rv = FE_DESTROYED; - } else { - epoch->flags = 0; -- atomic_set(&epoch->epoch_size, 0); -+ atomic_set_unchecked(&epoch->epoch_size, 0); - /* atomic_set(&epoch->active, 0); is already zero */ - if (rv == FE_STILL_LIVE) - rv = FE_RECYCLED; -@@ -1759,7 +1759,7 @@ static int receive_Barrier(struct drbd_connection *connection, struct packet_inf - conn_wait_active_ee_empty(connection); - drbd_flush(connection); - -- if (atomic_read(&connection->current_epoch->epoch_size)) { -+ if (atomic_read_unchecked(&connection->current_epoch->epoch_size)) { - epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO); - if (epoch) - break; -@@ -1773,11 +1773,11 @@ static int receive_Barrier(struct drbd_connection *connection, struct packet_inf - } - - epoch->flags = 0; -- atomic_set(&epoch->epoch_size, 0); -+ atomic_set_unchecked(&epoch->epoch_size, 0); - atomic_set(&epoch->active, 0); - - spin_lock(&connection->epoch_lock); -- if (atomic_read(&connection->current_epoch->epoch_size)) { -+ if (atomic_read_unchecked(&connection->current_epoch->epoch_size)) { - list_add(&epoch->list, &connection->current_epoch->list); - connection->current_epoch = epoch; - connection->epochs++; -@@ -2030,7 +2030,9 @@ static int e_end_resync_block(struct drbd_work *w, int unused) - } - - static int recv_resync_read(struct drbd_peer_device *peer_device, sector_t sector, -- struct packet_info *pi) __releases(local) -+ struct packet_info *pi) __releases(local); -+static int recv_resync_read(struct drbd_peer_device *peer_device, sector_t sector, -+ struct packet_info *pi) - { - struct drbd_device *device = peer_device->device; - struct drbd_peer_request *peer_req; -@@ -2052,7 +2054,7 @@ static int recv_resync_read(struct drbd_peer_device *peer_device, sector_t secto - list_add_tail(&peer_req->w.list, &device->sync_ee); - spin_unlock_irq(&device->resource->req_lock); - -- atomic_add(pi->size >> 9, &device->rs_sect_ev); -+ atomic_add_unchecked(pi->size >> 9, &device->rs_sect_ev); - if (drbd_submit_peer_request(device, peer_req, REQ_OP_WRITE, 0, - DRBD_FAULT_RS_WR) == 0) - return 0; -@@ -2151,7 +2153,7 @@ static int receive_RSDataReply(struct drbd_connection *connection, struct packet - drbd_send_ack_dp(peer_device, P_NEG_ACK, p, pi->size); - } - -- atomic_add(pi->size >> 9, &device->rs_sect_in); -+ atomic_add_unchecked(pi->size >> 9, &device->rs_sect_in); - - return err; - } -@@ -2548,7 +2550,7 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info * - - err = wait_for_and_update_peer_seq(peer_device, peer_seq); - drbd_send_ack_dp(peer_device, P_NEG_ACK, p, pi->size); -- atomic_inc(&connection->current_epoch->epoch_size); -+ atomic_inc_unchecked(&connection->current_epoch->epoch_size); - err2 = drbd_drain_block(peer_device, pi->size); - if (!err) - err = err2; -@@ -2589,7 +2591,7 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info * - - spin_lock(&connection->epoch_lock); - peer_req->epoch = connection->current_epoch; -- atomic_inc(&peer_req->epoch->epoch_size); -+ atomic_inc_unchecked(&peer_req->epoch->epoch_size); - atomic_inc(&peer_req->epoch->active); - spin_unlock(&connection->epoch_lock); - -@@ -2735,7 +2737,7 @@ bool drbd_rs_c_min_rate_throttle(struct drbd_device *device) - - curr_events = (int)part_stat_read(&disk->part0, sectors[0]) + - (int)part_stat_read(&disk->part0, sectors[1]) - -- atomic_read(&device->rs_sect_ev); -+ atomic_read_unchecked(&device->rs_sect_ev); - - if (atomic_read(&device->ap_actlog_cnt) - || curr_events - device->rs_last_events > 64) { -@@ -2881,7 +2883,7 @@ static int receive_DataRequest(struct drbd_connection *connection, struct packet - device->use_csums = true; - } else if (pi->cmd == P_OV_REPLY) { - /* track progress, we may need to throttle */ -- atomic_add(size >> 9, &device->rs_sect_in); -+ atomic_add_unchecked(size >> 9, &device->rs_sect_in); - peer_req->w.cb = w_e_end_ov_reply; - dec_rs_pending(device); - /* drbd_rs_begin_io done when we sent this request, -@@ -2954,7 +2956,7 @@ static int receive_DataRequest(struct drbd_connection *connection, struct packet - goto out_free_e; - - submit_for_resync: -- atomic_add(size >> 9, &device->rs_sect_ev); -+ atomic_add_unchecked(size >> 9, &device->rs_sect_ev); - - submit: - update_receiver_timing_details(connection, drbd_submit_peer_request); -@@ -4907,7 +4909,7 @@ static int receive_rs_deallocated(struct drbd_connection *connection, struct pac - list_add_tail(&peer_req->w.list, &device->sync_ee); - spin_unlock_irq(&device->resource->req_lock); - -- atomic_add(pi->size >> 9, &device->rs_sect_ev); -+ atomic_add_unchecked(pi->size >> 9, &device->rs_sect_ev); - err = drbd_submit_peer_request(device, peer_req, op, 0, DRBD_FAULT_RS_WR); - - if (err) { -@@ -4931,7 +4933,7 @@ static int receive_rs_deallocated(struct drbd_connection *connection, struct pac - drbd_send_ack_ex(peer_device, P_NEG_ACK, sector, size, ID_SYNCER); - } - -- atomic_add(size >> 9, &device->rs_sect_in); -+ atomic_add_unchecked(size >> 9, &device->rs_sect_in); - - return err; - } -@@ -4940,7 +4942,7 @@ struct data_cmd { - int expect_payload; - unsigned int pkt_size; - int (*fn)(struct drbd_connection *, struct packet_info *); --}; -+} __do_const; - - static struct data_cmd drbd_cmd_handler[] = { - [P_DATA] = { 1, sizeof(struct p_data), receive_Data }, -@@ -5068,7 +5070,7 @@ static void conn_disconnect(struct drbd_connection *connection) - if (!list_empty(&connection->current_epoch->list)) - drbd_err(connection, "ASSERTION FAILED: connection->current_epoch->list not empty\n"); - /* ok, no more ee's on the fly, it is safe to reset the epoch_size */ -- atomic_set(&connection->current_epoch->epoch_size, 0); -+ atomic_set_unchecked(&connection->current_epoch->epoch_size, 0); - connection->send.seen_any_write_yet = false; - - drbd_info(connection, "Connection closed\n"); -@@ -5574,7 +5576,7 @@ static int got_IsInSync(struct drbd_connection *connection, struct packet_info * - put_ldev(device); - } - dec_rs_pending(device); -- atomic_add(blksize >> 9, &device->rs_sect_in); -+ atomic_add_unchecked(blksize >> 9, &device->rs_sect_in); - - return 0; - } -@@ -5825,7 +5827,7 @@ static int got_skip(struct drbd_connection *connection, struct packet_info *pi) - struct meta_sock_cmd { - size_t pkt_size; - int (*fn)(struct drbd_connection *connection, struct packet_info *); --}; -+} __do_const; - - static void set_rcvtimeo(struct drbd_connection *connection, bool ping_timeout) - { -diff --git a/drivers/block/drbd/drbd_state.c b/drivers/block/drbd/drbd_state.c -index eea0c4a..4eba9a8 100644 ---- a/drivers/block/drbd/drbd_state.c -+++ b/drivers/block/drbd/drbd_state.c -@@ -1507,9 +1507,10 @@ int drbd_bitmap_io_from_worker(struct drbd_device *device, - - void notify_resource_state_change(struct sk_buff *skb, - unsigned int seq, -- struct drbd_resource_state_change *resource_state_change, -+ void *_resource_state_change, - enum drbd_notification_type type) - { -+ struct drbd_resource_state_change *resource_state_change = _resource_state_change; - struct drbd_resource *resource = resource_state_change->resource; - struct resource_info resource_info = { - .res_role = resource_state_change->role[NEW], -@@ -1523,9 +1524,10 @@ void notify_resource_state_change(struct sk_buff *skb, - - void notify_connection_state_change(struct sk_buff *skb, - unsigned int seq, -- struct drbd_connection_state_change *connection_state_change, -+ void *_connection_state_change, - enum drbd_notification_type type) - { -+ struct drbd_connection_state_change *connection_state_change = _connection_state_change; - struct drbd_connection *connection = connection_state_change->connection; - struct connection_info connection_info = { - .conn_connection_state = connection_state_change->cstate[NEW], -@@ -1537,9 +1539,10 @@ void notify_connection_state_change(struct sk_buff *skb, - - void notify_device_state_change(struct sk_buff *skb, - unsigned int seq, -- struct drbd_device_state_change *device_state_change, -+ void *_device_state_change, - enum drbd_notification_type type) - { -+ struct drbd_device_state_change *device_state_change = _device_state_change; - struct drbd_device *device = device_state_change->device; - struct device_info device_info = { - .dev_disk_state = device_state_change->disk_state[NEW], -@@ -1550,9 +1553,10 @@ void notify_device_state_change(struct sk_buff *skb, - - void notify_peer_device_state_change(struct sk_buff *skb, - unsigned int seq, -- struct drbd_peer_device_state_change *p, -+ void *_p, - enum drbd_notification_type type) - { -+ struct drbd_peer_device_state_change *p = _p; - struct drbd_peer_device *peer_device = p->peer_device; - struct peer_device_info peer_device_info = { - .peer_repl_state = p->repl_state[NEW], -diff --git a/drivers/block/drbd/drbd_state.h b/drivers/block/drbd/drbd_state.h -index 6c9d5d4..110f64d 100644 ---- a/drivers/block/drbd/drbd_state.h -+++ b/drivers/block/drbd/drbd_state.h -@@ -126,7 +126,7 @@ extern enum drbd_state_rv _drbd_set_state(struct drbd_device *, union drbd_state - enum chg_state_flags, - struct completion *done); - extern void print_st_err(struct drbd_device *, union drbd_state, -- union drbd_state, int); -+ union drbd_state, enum drbd_state_rv); - - enum drbd_state_rv - _conn_request_state(struct drbd_connection *connection, union drbd_state mask, union drbd_state val, -diff --git a/drivers/block/drbd/drbd_state_change.h b/drivers/block/drbd/drbd_state_change.h -index 9e503a1..ac60262 100644 ---- a/drivers/block/drbd/drbd_state_change.h -+++ b/drivers/block/drbd/drbd_state_change.h -@@ -45,19 +45,19 @@ extern void forget_state_change(struct drbd_state_change *); - - extern void notify_resource_state_change(struct sk_buff *, - unsigned int, -- struct drbd_resource_state_change *, -+ void *, - enum drbd_notification_type type); - extern void notify_connection_state_change(struct sk_buff *, - unsigned int, -- struct drbd_connection_state_change *, -+ void *, - enum drbd_notification_type type); - extern void notify_device_state_change(struct sk_buff *, - unsigned int, -- struct drbd_device_state_change *, -+ void *, - enum drbd_notification_type type); - extern void notify_peer_device_state_change(struct sk_buff *, - unsigned int, -- struct drbd_peer_device_state_change *, -+ void *, - enum drbd_notification_type type); - - #endif /* DRBD_STATE_CHANGE_H */ -diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c -index c6755c9..2586293 100644 ---- a/drivers/block/drbd/drbd_worker.c -+++ b/drivers/block/drbd/drbd_worker.c -@@ -87,7 +87,8 @@ void drbd_md_endio(struct bio *bio) - /* reads on behalf of the partner, - * "submitted" by the receiver - */ --static void drbd_endio_read_sec_final(struct drbd_peer_request *peer_req) __releases(local) -+static void drbd_endio_read_sec_final(struct drbd_peer_request *peer_req) __releases(local); -+static void drbd_endio_read_sec_final(struct drbd_peer_request *peer_req) - { - unsigned long flags = 0; - struct drbd_peer_device *peer_device = peer_req->peer_device; -@@ -108,7 +109,8 @@ static void drbd_endio_read_sec_final(struct drbd_peer_request *peer_req) __rele - - /* writes on behalf of the partner, or resync writes, - * "submitted" by the receiver, final stage. */ --void drbd_endio_write_sec_final(struct drbd_peer_request *peer_req) __releases(local) -+void drbd_endio_write_sec_final(struct drbd_peer_request *peer_req) __releases(local); -+void drbd_endio_write_sec_final(struct drbd_peer_request *peer_req) - { - unsigned long flags = 0; - struct drbd_peer_device *peer_device = peer_req->peer_device; -@@ -408,7 +410,7 @@ static int read_for_csum(struct drbd_peer_device *peer_device, sector_t sector, - list_add_tail(&peer_req->w.list, &device->read_ee); - spin_unlock_irq(&device->resource->req_lock); - -- atomic_add(size >> 9, &device->rs_sect_ev); -+ atomic_add_unchecked(size >> 9, &device->rs_sect_ev); - if (drbd_submit_peer_request(device, peer_req, REQ_OP_READ, 0, - DRBD_FAULT_RS_RD) == 0) - return 0; -@@ -554,7 +556,7 @@ static int drbd_rs_number_requests(struct drbd_device *device) - unsigned int sect_in; /* Number of sectors that came in since the last turn */ - int number, mxb; - -- sect_in = atomic_xchg(&device->rs_sect_in, 0); -+ sect_in = atomic_xchg_unchecked(&device->rs_sect_in, 0); - device->rs_in_flight -= sect_in; - - rcu_read_lock(); -@@ -1662,8 +1664,8 @@ void drbd_rs_controller_reset(struct drbd_device *device) - struct gendisk *disk = device->ldev->backing_bdev->bd_contains->bd_disk; - struct fifo_buffer *plan; - -- atomic_set(&device->rs_sect_in, 0); -- atomic_set(&device->rs_sect_ev, 0); -+ atomic_set_unchecked(&device->rs_sect_in, 0); -+ atomic_set_unchecked(&device->rs_sect_ev, 0); - device->rs_in_flight = 0; - device->rs_last_events = - (int)part_stat_read(&disk->part0, sectors[0]) + -diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c -index e3d8e4c..4198ed8 100644 ---- a/drivers/block/floppy.c -+++ b/drivers/block/floppy.c -@@ -961,6 +961,10 @@ static void empty(void) - { - } - -+static void empty2(int i) -+{ -+} -+ - static void (*floppy_work_fn)(void); - - static void floppy_work_workfn(struct work_struct *work) -@@ -1953,14 +1957,14 @@ static const struct cont_t wakeup_cont = { - .interrupt = empty, - .redo = do_wakeup, - .error = empty, -- .done = (done_f)empty -+ .done = empty2 - }; - - static const struct cont_t intr_cont = { - .interrupt = empty, - .redo = process_fd_request, - .error = empty, -- .done = (done_f)empty -+ .done = empty2 - }; - - static int wait_til_done(void (*handler)(void), bool interruptible) -diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c -index 90fa4ac..8328db6 100644 ---- a/drivers/block/pktcdvd.c -+++ b/drivers/block/pktcdvd.c -@@ -109,7 +109,7 @@ static int pkt_seq_show(struct seq_file *m, void *p); - - static sector_t get_zone(sector_t sector, struct pktcdvd_device *pd) - { -- return (sector + pd->offset) & ~(sector_t)(pd->settings.size - 1); -+ return (sector + pd->offset) & ~(sector_t)(pd->settings.size - 1UL); - } - - /* -@@ -1890,7 +1890,7 @@ static noinline_for_stack int pkt_probe_settings(struct pktcdvd_device *pd) - return -EROFS; - } - pd->settings.fp = ti.fp; -- pd->offset = (be32_to_cpu(ti.track_start) << 2) & (pd->settings.size - 1); -+ pd->offset = (be32_to_cpu(ti.track_start) << 2) & (pd->settings.size - 1UL); - - if (ti.nwa_v) { - pd->nwa = be32_to_cpu(ti.next_writable); -diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c -index 7b274ff..b7e6d24 100644 ---- a/drivers/block/rbd.c -+++ b/drivers/block/rbd.c -@@ -65,7 +65,7 @@ - * If the counter is already at its maximum value returns - * -EINVAL without updating it. - */ --static int atomic_inc_return_safe(atomic_t *v) -+static int __intentional_overflow(-1) atomic_inc_return_safe(atomic_t *v) - { - unsigned int counter; - -diff --git a/drivers/block/smart1,2.h b/drivers/block/smart1,2.h -index e5565fb..71be10b4 100644 ---- a/drivers/block/smart1,2.h -+++ b/drivers/block/smart1,2.h -@@ -108,11 +108,11 @@ static unsigned long smart4_intr_pending(ctlr_info_t *h) - } - - static struct access_method smart4_access = { -- smart4_submit_command, -- smart4_intr_mask, -- smart4_fifo_full, -- smart4_intr_pending, -- smart4_completed, -+ .submit_command = smart4_submit_command, -+ .set_intr_mask = smart4_intr_mask, -+ .fifo_full = smart4_fifo_full, -+ .intr_pending = smart4_intr_pending, -+ .command_completed = smart4_completed, - }; - - /* -@@ -144,11 +144,11 @@ static unsigned long smart2_intr_pending(ctlr_info_t *h) - } - - static struct access_method smart2_access = { -- smart2_submit_command, -- smart2_intr_mask, -- smart2_fifo_full, -- smart2_intr_pending, -- smart2_completed, -+ .submit_command = smart2_submit_command, -+ .set_intr_mask = smart2_intr_mask, -+ .fifo_full = smart2_fifo_full, -+ .intr_pending = smart2_intr_pending, -+ .command_completed = smart2_completed, - }; - - /* -@@ -180,11 +180,11 @@ static unsigned long smart2e_intr_pending(ctlr_info_t *h) - } - - static struct access_method smart2e_access = { -- smart2e_submit_command, -- smart2e_intr_mask, -- smart2e_fifo_full, -- smart2e_intr_pending, -- smart2e_completed, -+ .submit_command = smart2e_submit_command, -+ .set_intr_mask = smart2e_intr_mask, -+ .fifo_full = smart2e_fifo_full, -+ .intr_pending = smart2e_intr_pending, -+ .command_completed = smart2e_completed, - }; - - /* -@@ -270,9 +270,9 @@ static unsigned long smart1_intr_pending(ctlr_info_t *h) - } - - static struct access_method smart1_access = { -- smart1_submit_command, -- smart1_intr_mask, -- smart1_fifo_full, -- smart1_intr_pending, -- smart1_completed, -+ .submit_command = smart1_submit_command, -+ .set_intr_mask = smart1_intr_mask, -+ .fifo_full = smart1_fifo_full, -+ .intr_pending = smart1_intr_pending, -+ .command_completed = smart1_completed, - }; -diff --git a/drivers/bluetooth/btwilink.c b/drivers/bluetooth/btwilink.c -index b6bb58c..7d47151 100644 ---- a/drivers/bluetooth/btwilink.c -+++ b/drivers/bluetooth/btwilink.c -@@ -277,7 +277,7 @@ static int ti_st_send_frame(struct hci_dev *hdev, struct sk_buff *skb) - - static int bt_ti_probe(struct platform_device *pdev) - { -- static struct ti_st *hst; -+ struct ti_st *hst; - struct hci_dev *hdev; - int err; - -diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c -index 8900823..f694867 100644 ---- a/drivers/bus/arm-cci.c -+++ b/drivers/bus/arm-cci.c -@@ -1472,8 +1472,10 @@ static int cci_pmu_init(struct cci_pmu *cci_pmu, struct platform_device *pdev) - char *name = model->name; - u32 num_cntrs; - -- pmu_event_attr_group.attrs = model->event_attrs; -- pmu_format_attr_group.attrs = model->format_attrs; -+ pax_open_kernel(); -+ const_cast(pmu_event_attr_group.attrs) = model->event_attrs; -+ const_cast(pmu_format_attr_group.attrs) = model->format_attrs; -+ pax_close_kernel(); - - cci_pmu->pmu = (struct pmu) { - .name = cci_pmu->model->name, -diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c -index 5d475b3..e9076c0 100644 ---- a/drivers/cdrom/cdrom.c -+++ b/drivers/cdrom/cdrom.c -@@ -610,7 +610,6 @@ int register_cdrom(struct cdrom_device_info *cdi) - ENSURE(reset, CDC_RESET); - ENSURE(generic_packet, CDC_GENERIC_PACKET); - cdi->mc_flags = 0; -- cdo->n_minors = 0; - cdi->options = CDO_USE_FFLAGS; - - if (autoclose == 1 && CDROM_CAN(CDC_CLOSE_TRAY)) -@@ -630,8 +629,11 @@ int register_cdrom(struct cdrom_device_info *cdi) - else - cdi->cdda_method = CDDA_OLD; - -- if (!cdo->generic_packet) -- cdo->generic_packet = cdrom_dummy_generic_packet; -+ if (!cdo->generic_packet) { -+ pax_open_kernel(); -+ const_cast(cdo->generic_packet) = cdrom_dummy_generic_packet; -+ pax_close_kernel(); -+ } - - cd_dbg(CD_REG_UNREG, "drive \"/dev/%s\" registered\n", cdi->name); - mutex_lock(&cdrom_mutex); -@@ -652,7 +654,6 @@ void unregister_cdrom(struct cdrom_device_info *cdi) - if (cdi->exit) - cdi->exit(cdi); - -- cdi->ops->n_minors--; - cd_dbg(CD_REG_UNREG, "drive \"/dev/%s\" unregistered\n", cdi->name); - } - -@@ -2137,7 +2138,7 @@ static int cdrom_read_cdda_old(struct cdrom_device_info *cdi, __u8 __user *ubuf, - */ - nr = nframes; - do { -- cgc.buffer = kmalloc(CD_FRAMESIZE_RAW * nr, GFP_KERNEL); -+ cgc.buffer = kcalloc(nr, CD_FRAMESIZE_RAW, GFP_KERNEL); - if (cgc.buffer) - break; - -@@ -3441,7 +3442,7 @@ static int cdrom_print_info(const char *header, int val, char *info, - struct cdrom_device_info *cdi; - int ret; - -- ret = scnprintf(info + *pos, max_size - *pos, header); -+ ret = scnprintf(info + *pos, max_size - *pos, "%s", header); - if (!ret) - return 1; - -diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c -index 584bc31..e64a12c 100644 ---- a/drivers/cdrom/gdrom.c -+++ b/drivers/cdrom/gdrom.c -@@ -491,7 +491,6 @@ static struct cdrom_device_ops gdrom_ops = { - .audio_ioctl = gdrom_audio_ioctl, - .capability = CDC_MULTI_SESSION | CDC_MEDIA_CHANGED | - CDC_RESET | CDC_DRIVE_STATUS | CDC_CD_R, -- .n_minors = 1, - }; - - static int gdrom_bdops_open(struct block_device *bdev, fmode_t mode) -diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig -index dcc0973..8d34c88 100644 ---- a/drivers/char/Kconfig -+++ b/drivers/char/Kconfig -@@ -17,7 +17,8 @@ config DEVMEM - - config DEVKMEM - bool "/dev/kmem virtual device support" -- default y -+ default n -+ depends on !GRKERNSEC_KMEM - help - Say Y here if you want to support the /dev/kmem device. The - /dev/kmem device is rarely used, but can be used for certain -@@ -573,6 +574,7 @@ config TELCLOCK - config DEVPORT - bool - depends on ISA || PCI -+ depends on !GRKERNSEC_KMEM - default y - - source "drivers/s390/char/Kconfig" -diff --git a/drivers/char/agp/compat_ioctl.c b/drivers/char/agp/compat_ioctl.c -index a48e05b..6bac831 100644 ---- a/drivers/char/agp/compat_ioctl.c -+++ b/drivers/char/agp/compat_ioctl.c -@@ -108,7 +108,7 @@ static int compat_agpioc_reserve_wrap(struct agp_file_private *priv, void __user - return -ENOMEM; - } - -- if (copy_from_user(usegment, (void __user *) ureserve.seg_list, -+ if (copy_from_user(usegment, (void __force_user *) ureserve.seg_list, - sizeof(*usegment) * ureserve.seg_count)) { - kfree(usegment); - kfree(ksegment); -diff --git a/drivers/char/agp/frontend.c b/drivers/char/agp/frontend.c -index 0f64d14..4cf4d6b 100644 ---- a/drivers/char/agp/frontend.c -+++ b/drivers/char/agp/frontend.c -@@ -806,7 +806,7 @@ static int agpioc_reserve_wrap(struct agp_file_private *priv, void __user *arg) - if (copy_from_user(&reserve, arg, sizeof(struct agp_region))) - return -EFAULT; - -- if ((unsigned) reserve.seg_count >= ~0U/sizeof(struct agp_segment)) -+ if ((unsigned) reserve.seg_count >= ~0U/sizeof(struct agp_segment_priv)) - return -EFAULT; - - client = agp_find_client_by_pid(reserve.pid); -@@ -836,7 +836,7 @@ static int agpioc_reserve_wrap(struct agp_file_private *priv, void __user *arg) - if (segment == NULL) - return -ENOMEM; - -- if (copy_from_user(segment, (void __user *) reserve.seg_list, -+ if (copy_from_user(segment, (void __force_user *) reserve.seg_list, - sizeof(struct agp_segment) * reserve.seg_count)) { - kfree(segment); - return -EFAULT; -diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c -index 0f7d28a..d8576c6 100644 ---- a/drivers/char/agp/intel-gtt.c -+++ b/drivers/char/agp/intel-gtt.c -@@ -1420,8 +1420,8 @@ int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev, - } - EXPORT_SYMBOL(intel_gmch_probe); - --void intel_gtt_get(u64 *gtt_total, size_t *stolen_size, -- phys_addr_t *mappable_base, u64 *mappable_end) -+void intel_gtt_get(u64 *gtt_total, u64 *stolen_size, -+ u64 *mappable_base, u64 *mappable_end) - { - *gtt_total = intel_private.gtt_total_entries << PAGE_SHIFT; - *stolen_size = intel_private.stolen_size; -diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c -index be54e53..50272fe 100644 ---- a/drivers/char/hpet.c -+++ b/drivers/char/hpet.c -@@ -574,7 +574,7 @@ static inline unsigned long hpet_time_div(struct hpets *hpets, - } - - static int --hpet_ioctl_common(struct hpet_dev *devp, int cmd, unsigned long arg, -+hpet_ioctl_common(struct hpet_dev *devp, unsigned int cmd, unsigned long arg, - struct hpet_info *info) - { - struct hpet_timer __iomem *timer; -diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c -index fcdd886..c7f0762 100644 ---- a/drivers/char/ipmi/ipmi_msghandler.c -+++ b/drivers/char/ipmi/ipmi_msghandler.c -@@ -436,7 +436,7 @@ struct ipmi_smi { - struct proc_dir_entry *proc_dir; - char proc_dir_name[10]; - -- atomic_t stats[IPMI_NUM_STATS]; -+ atomic_unchecked_t stats[IPMI_NUM_STATS]; - - /* - * run_to_completion duplicate of smb_info, smi_info -@@ -468,9 +468,9 @@ static LIST_HEAD(smi_watchers); - static DEFINE_MUTEX(smi_watchers_mutex); - - #define ipmi_inc_stat(intf, stat) \ -- atomic_inc(&(intf)->stats[IPMI_STAT_ ## stat]) -+ atomic_inc_unchecked(&(intf)->stats[IPMI_STAT_ ## stat]) - #define ipmi_get_stat(intf, stat) \ -- ((unsigned int) atomic_read(&(intf)->stats[IPMI_STAT_ ## stat])) -+ ((unsigned int) atomic_read_unchecked(&(intf)->stats[IPMI_STAT_ ## stat])) - - static const char * const addr_src_to_str[] = { - "invalid", "hotmod", "hardcoded", "SPMI", "ACPI", "SMBIOS", "PCI", -@@ -2835,7 +2835,7 @@ int ipmi_register_smi(const struct ipmi_smi_handlers *handlers, - INIT_LIST_HEAD(&intf->cmd_rcvrs); - init_waitqueue_head(&intf->waitq); - for (i = 0; i < IPMI_NUM_STATS; i++) -- atomic_set(&intf->stats[i], 0); -+ atomic_set_unchecked(&intf->stats[i], 0); - - intf->proc_dir = NULL; - -diff --git a/drivers/char/ipmi/ipmi_poweroff.c b/drivers/char/ipmi/ipmi_poweroff.c -index 9f2e3be..676c910 100644 ---- a/drivers/char/ipmi/ipmi_poweroff.c -+++ b/drivers/char/ipmi/ipmi_poweroff.c -@@ -66,7 +66,7 @@ static void (*specific_poweroff_func)(ipmi_user_t user); - /* Holds the old poweroff function so we can restore it on removal. */ - static void (*old_poweroff_func)(void); - --static int set_param_ifnum(const char *val, struct kernel_param *kp) -+static int set_param_ifnum(const char *val, const struct kernel_param *kp) - { - int rv = param_set_int(val, kp); - if (rv) -diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c -index a112c01..5bd9d25 100644 ---- a/drivers/char/ipmi/ipmi_si_intf.c -+++ b/drivers/char/ipmi/ipmi_si_intf.c -@@ -302,7 +302,7 @@ struct smi_info { - unsigned char slave_addr; - - /* Counters and things for the proc filesystem. */ -- atomic_t stats[SI_NUM_STATS]; -+ atomic_unchecked_t stats[SI_NUM_STATS]; - - struct task_struct *thread; - -@@ -311,9 +311,9 @@ struct smi_info { - }; - - #define smi_inc_stat(smi, stat) \ -- atomic_inc(&(smi)->stats[SI_STAT_ ## stat]) -+ atomic_inc_unchecked(&(smi)->stats[SI_STAT_ ## stat]) - #define smi_get_stat(smi, stat) \ -- ((unsigned int) atomic_read(&(smi)->stats[SI_STAT_ ## stat])) -+ ((unsigned int) atomic_read_unchecked(&(smi)->stats[SI_STAT_ ## stat])) - - #define SI_MAX_PARMS 4 - -@@ -1344,7 +1344,7 @@ static unsigned int num_slave_addrs; - #define IPMI_MEM_ADDR_SPACE 1 - static const char * const addr_space_to_str[] = { "i/o", "mem" }; - --static int hotmod_handler(const char *val, struct kernel_param *kp); -+static int hotmod_handler(const char *val, const struct kernel_param *kp); - - module_param_call(hotmod, hotmod_handler, NULL, NULL, 0200); - MODULE_PARM_DESC(hotmod, "Add and remove interfaces. See" -@@ -1814,7 +1814,7 @@ static struct smi_info *smi_info_alloc(void) - return info; - } - --static int hotmod_handler(const char *val, struct kernel_param *kp) -+static int hotmod_handler(const char *val, const struct kernel_param *kp) - { - char *str = kstrdup(val, GFP_KERNEL); - int rv; -@@ -3578,7 +3578,7 @@ static int try_smi_init(struct smi_info *new_smi) - atomic_set(&new_smi->req_events, 0); - new_smi->run_to_completion = false; - for (i = 0; i < SI_NUM_STATS; i++) -- atomic_set(&new_smi->stats[i], 0); -+ atomic_set_unchecked(&new_smi->stats[i], 0); - - new_smi->interrupt_disabled = true; - atomic_set(&new_smi->need_watch, 0); -diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c -index 5673fff..3ab2908 100644 ---- a/drivers/char/ipmi/ipmi_ssif.c -+++ b/drivers/char/ipmi/ipmi_ssif.c -@@ -284,17 +284,17 @@ struct ssif_info { - unsigned int multi_len; - unsigned int multi_pos; - -- atomic_t stats[SSIF_NUM_STATS]; -+ atomic_unchecked_t stats[SSIF_NUM_STATS]; - }; - - #define ssif_inc_stat(ssif, stat) \ -- atomic_inc(&(ssif)->stats[SSIF_STAT_ ## stat]) -+ atomic_inc_unchecked(&(ssif)->stats[SSIF_STAT_ ## stat]) - #define ssif_get_stat(ssif, stat) \ -- ((unsigned int) atomic_read(&(ssif)->stats[SSIF_STAT_ ## stat])) -+ ((unsigned int) atomic_read_unchecked(&(ssif)->stats[SSIF_STAT_ ## stat])) - - static bool initialized; - --static atomic_t next_intf = ATOMIC_INIT(0); -+static atomic_unchecked_t next_intf = ATOMIC_INIT(0); - - static void return_hosed_msg(struct ssif_info *ssif_info, - struct ipmi_smi_msg *msg); -@@ -1608,7 +1608,7 @@ static int ssif_probe(struct i2c_client *client, const struct i2c_device_id *id) - } - - found: -- ssif_info->intf_num = atomic_inc_return(&next_intf); -+ ssif_info->intf_num = atomic_inc_return_unchecked(&next_intf); - - if (ssif_dbg_probe) { - pr_info("ssif_probe: i2c_probe found device at i2c address %x\n", -@@ -1622,7 +1622,7 @@ static int ssif_probe(struct i2c_client *client, const struct i2c_device_id *id) - ssif_info->retry_timer.function = retry_timeout; - - for (i = 0; i < SSIF_NUM_STATS; i++) -- atomic_set(&ssif_info->stats[i], 0); -+ atomic_set_unchecked(&ssif_info->stats[i], 0); - - if (ssif_info->supports_pec) - ssif_info->client->flags |= I2C_CLIENT_PEC; -diff --git a/drivers/char/mem.c b/drivers/char/mem.c -index 6d9cc2d..8bf97d6 100644 ---- a/drivers/char/mem.c -+++ b/drivers/char/mem.c -@@ -18,6 +18,7 @@ - #include - #include - #include -+#include - #include - #include - #include -@@ -37,6 +38,10 @@ - - #define DEVPORT_MINOR 4 - -+#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC) -+extern const struct file_operations grsec_fops; -+#endif -+ - static inline unsigned long size_inside_page(unsigned long start, - unsigned long size) - { -@@ -67,13 +72,22 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size) - u64 cursor = from; - - while (cursor < to) { -- if (!devmem_is_allowed(pfn)) -+ if (!devmem_is_allowed(pfn)) { -+#ifdef CONFIG_GRKERNSEC_KMEM -+ gr_handle_mem_readwrite(from, to); -+#endif - return 0; -+ } - cursor += PAGE_SIZE; - pfn++; - } - return 1; - } -+#elif defined(CONFIG_GRKERNSEC_KMEM) -+static inline int range_is_allowed(unsigned long pfn, unsigned long size) -+{ -+ return 0; -+} - #else - static inline int range_is_allowed(unsigned long pfn, unsigned long size) - { -@@ -98,6 +112,7 @@ static ssize_t read_mem(struct file *file, char __user *buf, - phys_addr_t p = *ppos; - ssize_t read, sz; - void *ptr; -+ char *temp; - - if (p != *ppos) - return 0; -@@ -120,13 +135,19 @@ static ssize_t read_mem(struct file *file, char __user *buf, - } - #endif - -+ temp = kmalloc(PAGE_SIZE, GFP_KERNEL|GFP_USERCOPY); -+ if (!temp) -+ return -ENOMEM; -+ - while (count > 0) { - unsigned long remaining; - - sz = size_inside_page(p, count); - -- if (!range_is_allowed(p >> PAGE_SHIFT, count)) -+ if (!range_is_allowed(p >> PAGE_SHIFT, count)) { -+ kfree(temp); - return -EPERM; -+ } - - /* - * On ia64 if a page has been mapped somewhere as uncached, then -@@ -134,13 +155,17 @@ static ssize_t read_mem(struct file *file, char __user *buf, - * corruption may occur. - */ - ptr = xlate_dev_mem_ptr(p); -- if (!ptr) -+ if (!ptr || probe_kernel_read(temp, ptr, sz)) { -+ kfree(temp); - return -EFAULT; -+ } - -- remaining = copy_to_user(buf, ptr, sz); -+ remaining = copy_to_user(buf, temp, sz); - unxlate_dev_mem_ptr(p, ptr); -- if (remaining) -+ if (remaining) { -+ kfree(temp); - return -EFAULT; -+ } - - buf += sz; - p += sz; -@@ -148,6 +173,8 @@ static ssize_t read_mem(struct file *file, char __user *buf, - read += sz; - } - -+ kfree(temp); -+ - *ppos += read; - return read; - } -@@ -383,6 +410,8 @@ static ssize_t read_kmem(struct file *file, char __user *buf, - - read = 0; - if (p < (unsigned long) high_memory) { -+ char *temp; -+ - low_count = count; - if (count > (unsigned long)high_memory - p) - low_count = (unsigned long)high_memory - p; -@@ -400,6 +429,11 @@ static ssize_t read_kmem(struct file *file, char __user *buf, - count -= sz; - } - #endif -+ -+ temp = kmalloc(PAGE_SIZE, GFP_KERNEL|GFP_USERCOPY); -+ if (!temp) -+ return -ENOMEM; -+ - while (low_count > 0) { - sz = size_inside_page(p, low_count); - -@@ -412,14 +446,18 @@ static ssize_t read_kmem(struct file *file, char __user *buf, - if (!virt_addr_valid(kbuf)) - return -ENXIO; - -- if (copy_to_user(buf, kbuf, sz)) -+ if (probe_kernel_read(temp, kbuf, sz) || copy_to_user(buf, temp, sz)) { -+ kfree(temp); - return -EFAULT; -+ } - buf += sz; - p += sz; - read += sz; - low_count -= sz; - count -= sz; - } -+ -+ kfree(temp); - } - - if (count > 0) { -@@ -826,6 +864,9 @@ static const struct memdev { - #ifdef CONFIG_PRINTK - [11] = { "kmsg", 0644, &kmsg_fops, 0 }, - #endif -+#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC) -+ [13] = { "grsec",S_IRUSR | S_IWUGO, &grsec_fops, 0 }, -+#endif - }; - - static int memory_open(struct inode *inode, struct file *filp) -@@ -887,7 +928,7 @@ static int __init chr_dev_init(void) - continue; - - device_create(mem_class, NULL, MKDEV(MEM_MAJOR, minor), -- NULL, devlist[minor].name); -+ NULL, "%s", devlist[minor].name); - } - - return tty_init(); -diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c -index 678fa97..5598cef 100644 ---- a/drivers/char/nvram.c -+++ b/drivers/char/nvram.c -@@ -235,7 +235,7 @@ static ssize_t nvram_read(struct file *file, char __user *buf, - - spin_unlock_irq(&rtc_lock); - -- if (copy_to_user(buf, contents, tmp - contents)) -+ if (tmp - contents > sizeof(contents) || copy_to_user(buf, contents, tmp - contents)) - return -EFAULT; - - *ppos = i; -diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c -index d28922d..3c343d6 100644 ---- a/drivers/char/pcmcia/synclink_cs.c -+++ b/drivers/char/pcmcia/synclink_cs.c -@@ -2333,7 +2333,7 @@ static void mgslpc_close(struct tty_struct *tty, struct file * filp) - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):mgslpc_close(%s) entry, count=%d\n", -- __FILE__, __LINE__, info->device_name, port->count); -+ __FILE__, __LINE__, info->device_name, atomic_read(&port->count)); - - if (tty_port_close_start(port, tty, filp) == 0) - goto cleanup; -@@ -2351,7 +2351,7 @@ static void mgslpc_close(struct tty_struct *tty, struct file * filp) - cleanup: - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):mgslpc_close(%s) exit, count=%d\n", __FILE__, __LINE__, -- tty->driver->name, port->count); -+ tty->driver->name, atomic_read(&port->count)); - } - - /* Wait until the transmitter is empty. -@@ -2493,7 +2493,7 @@ static int mgslpc_open(struct tty_struct *tty, struct file * filp) - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):mgslpc_open(%s), old ref count = %d\n", -- __FILE__, __LINE__, tty->driver->name, port->count); -+ __FILE__, __LINE__, tty->driver->name, atomic_read(&port->count)); - - port->low_latency = (port->flags & ASYNC_LOW_LATENCY) ? 1 : 0; - -@@ -2504,11 +2504,11 @@ static int mgslpc_open(struct tty_struct *tty, struct file * filp) - goto cleanup; - } - spin_lock(&port->lock); -- port->count++; -+ atomic_inc(&port->count); - spin_unlock(&port->lock); - spin_unlock_irqrestore(&info->netlock, flags); - -- if (port->count == 1) { -+ if (atomic_read(&port->count) == 1) { - /* 1st open on this device, init hardware */ - retval = startup(info, tty); - if (retval < 0) -@@ -3897,7 +3897,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding, - unsigned short new_crctype; - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - switch (encoding) -@@ -4001,7 +4001,7 @@ static int hdlcdev_open(struct net_device *dev) - - /* arbitrate between network and tty opens */ - spin_lock_irqsave(&info->netlock, flags); -- if (info->port.count != 0 || info->netcount != 0) { -+ if (atomic_read(&info->port.count) != 0 || info->netcount != 0) { - printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name); - spin_unlock_irqrestore(&info->netlock, flags); - return -EBUSY; -@@ -4091,7 +4091,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) - printk("%s:hdlcdev_ioctl(%s)\n", __FILE__, dev->name); - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - if (cmd != SIOCWANDEV) -diff --git a/drivers/char/random.c b/drivers/char/random.c -index 08d1dd5..0b23b06 100644 ---- a/drivers/char/random.c -+++ b/drivers/char/random.c -@@ -292,9 +292,6 @@ - /* - * To allow fractional bits to be tracked, the entropy_count field is - * denominated in units of 1/8th bits. -- * -- * 2*(ENTROPY_SHIFT + log2(poolbits)) must <= 31, or the multiply in -- * credit_entropy_bits() needs to be 64 bits wide. - */ - #define ENTROPY_SHIFT 3 - #define ENTROPY_BITS(r) ((r)->entropy_count >> ENTROPY_SHIFT) -@@ -680,7 +677,7 @@ static void credit_entropy_bits(struct entropy_store *r, int nbits) - /* The +2 corresponds to the /4 in the denominator */ - - do { -- unsigned int anfrac = min(pnfrac, pool_size/2); -+ u64 anfrac = min(pnfrac, pool_size/2); - unsigned int add = - ((pool_size - entropy_count)*anfrac*3) >> s; - -@@ -1476,7 +1473,7 @@ static ssize_t extract_entropy_user(struct entropy_store *r, void __user *buf, - - extract_buf(r, tmp); - i = min_t(int, nbytes, EXTRACT_SIZE); -- if (copy_to_user(buf, tmp, i)) { -+ if (i > sizeof(tmp) || copy_to_user(buf, tmp, i)) { - ret = -EFAULT; - break; - } -@@ -1926,7 +1923,7 @@ static char sysctl_bootid[16]; - static int proc_do_uuid(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table fake_table; -+ ctl_table_no_const fake_table; - unsigned char buf[64], tmp_uuid[16], *uuid; - - uuid = table->data; -@@ -1956,7 +1953,7 @@ static int proc_do_uuid(struct ctl_table *table, int write, - static int proc_do_entropy(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table fake_table; -+ ctl_table_no_const fake_table; - int entropy_count; - - entropy_count = *(int *)table->data >> ENTROPY_SHIFT; -diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c -index 719c5b4..06ef852 100644 ---- a/drivers/char/sonypi.c -+++ b/drivers/char/sonypi.c -@@ -54,6 +54,7 @@ - - #include - #include -+#include - - #include - -@@ -490,7 +491,7 @@ static struct sonypi_device { - spinlock_t fifo_lock; - wait_queue_head_t fifo_proc_list; - struct fasync_struct *fifo_async; -- int open_count; -+ local_t open_count; - int model; - struct input_dev *input_jog_dev; - struct input_dev *input_key_dev; -@@ -892,7 +893,7 @@ static int sonypi_misc_fasync(int fd, struct file *filp, int on) - static int sonypi_misc_release(struct inode *inode, struct file *file) - { - mutex_lock(&sonypi_device.lock); -- sonypi_device.open_count--; -+ local_dec(&sonypi_device.open_count); - mutex_unlock(&sonypi_device.lock); - return 0; - } -@@ -901,9 +902,9 @@ static int sonypi_misc_open(struct inode *inode, struct file *file) - { - mutex_lock(&sonypi_device.lock); - /* Flush input queue on first open */ -- if (!sonypi_device.open_count) -+ if (!local_read(&sonypi_device.open_count)) - kfifo_reset(&sonypi_device.fifo); -- sonypi_device.open_count++; -+ local_inc(&sonypi_device.open_count); - mutex_unlock(&sonypi_device.lock); - - return 0; -@@ -1491,7 +1492,7 @@ static struct platform_driver sonypi_driver = { - - static struct platform_device *sonypi_platform_device; - --static struct dmi_system_id __initdata sonypi_dmi_table[] = { -+static const struct dmi_system_id __initconst sonypi_dmi_table[] = { - { - .ident = "Sony Vaio", - .matches = { -diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c -index e595013..9653af2 100644 ---- a/drivers/char/tpm/tpm-chip.c -+++ b/drivers/char/tpm/tpm-chip.c -@@ -196,6 +196,11 @@ struct tpm_chip *tpm_chip_alloc(struct device *dev, - } - EXPORT_SYMBOL_GPL(tpm_chip_alloc); - -+static void tpm_put_device(void *dev) -+{ -+ put_device(dev); -+} -+ - /** - * tpmm_chip_alloc() - allocate a new struct tpm_chip instance - * @pdev: parent device to which the chip is associated -@@ -213,9 +218,7 @@ struct tpm_chip *tpmm_chip_alloc(struct device *pdev, - if (IS_ERR(chip)) - return chip; - -- rc = devm_add_action_or_reset(pdev, -- (void (*)(void *)) put_device, -- &chip->dev); -+ rc = devm_add_action_or_reset(pdev, tpm_put_device, &chip->dev); - if (rc) - return ERR_PTR(rc); - -diff --git a/drivers/char/tpm/tpm_acpi.c b/drivers/char/tpm/tpm_acpi.c -index 565a947..dcdc06e 100644 ---- a/drivers/char/tpm/tpm_acpi.c -+++ b/drivers/char/tpm/tpm_acpi.c -@@ -98,11 +98,12 @@ int read_log(struct tpm_bios_log *log) - virt = acpi_os_map_iomem(start, len); - if (!virt) { - kfree(log->bios_event_log); -+ log->bios_event_log = NULL; - printk("%s: ERROR - Unable to map memory\n", __func__); - return -EIO; - } - -- memcpy_fromio(log->bios_event_log, virt, len); -+ memcpy_fromio(log->bios_event_log, (const char __force_kernel *)virt, len); - - acpi_os_unmap_iomem(virt, len); - return 0; -diff --git a/drivers/char/tpm/tpm_eventlog.c b/drivers/char/tpm/tpm_eventlog.c -index e722886..78a48b9 100644 ---- a/drivers/char/tpm/tpm_eventlog.c -+++ b/drivers/char/tpm/tpm_eventlog.c -@@ -108,8 +108,7 @@ static void *tpm_bios_measurements_start(struct seq_file *m, loff_t *pos) - converted_event_type = do_endian_conversion(event->event_type); - - if (((converted_event_type == 0) && (converted_event_size == 0)) -- || ((addr + sizeof(struct tcpa_event) + converted_event_size) -- >= limit)) -+ || (converted_event_size >= limit - addr - sizeof(struct tcpa_event))) - return NULL; - - return addr; -@@ -138,7 +137,7 @@ static void *tpm_bios_measurements_next(struct seq_file *m, void *v, - converted_event_type = do_endian_conversion(event->event_type); - - if (((converted_event_type == 0) && (converted_event_size == 0)) || -- ((v + sizeof(struct tcpa_event) + converted_event_size) >= limit)) -+ (converted_event_size >= limit - v - sizeof(struct tcpa_event))) - return NULL; - - (*pos)++; -diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c -index 5649234..34b55b7 100644 ---- a/drivers/char/virtio_console.c -+++ b/drivers/char/virtio_console.c -@@ -691,11 +691,11 @@ static ssize_t fill_readbuf(struct port *port, char __user *out_buf, - if (to_user) { - ssize_t ret; - -- ret = copy_to_user(out_buf, buf->buf + buf->offset, out_count); -+ ret = copy_to_user((char __force_user *)out_buf, buf->buf + buf->offset, out_count); - if (ret) - return -EFAULT; - } else { -- memcpy((__force char *)out_buf, buf->buf + buf->offset, -+ memcpy((__force_kernel char *)out_buf, buf->buf + buf->offset, - out_count); - } - -@@ -1170,7 +1170,7 @@ static int get_chars(u32 vtermno, char *buf, int count) - /* If we don't have an input queue yet, we can't get input. */ - BUG_ON(!port->in_vq); - -- return fill_readbuf(port, (__force char __user *)buf, count, false); -+ return fill_readbuf(port, (char __force_user *)buf, count, false); - } - - static void resize_console(struct port *port) -diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c -index 2acaa77..1d0128e 100644 ---- a/drivers/clk/bcm/clk-bcm2835.c -+++ b/drivers/clk/bcm/clk-bcm2835.c -@@ -1147,8 +1147,9 @@ static const struct clk_ops bcm2835_vpu_clock_clk_ops = { - }; - - static struct clk_hw *bcm2835_register_pll(struct bcm2835_cprman *cprman, -- const struct bcm2835_pll_data *data) -+ const void *_data) - { -+ const struct bcm2835_pll_data *data = _data; - struct bcm2835_pll *pll; - struct clk_init_data init; - int ret; -@@ -1178,8 +1179,9 @@ static struct clk_hw *bcm2835_register_pll(struct bcm2835_cprman *cprman, - - static struct clk_hw * - bcm2835_register_pll_divider(struct bcm2835_cprman *cprman, -- const struct bcm2835_pll_divider_data *data) -+ const void *_data) - { -+ const struct bcm2835_pll_divider_data *data = _data; - struct bcm2835_pll_divider *divider; - struct clk_init_data init; - const char *divider_name; -@@ -1237,8 +1239,9 @@ bcm2835_register_pll_divider(struct bcm2835_cprman *cprman, - } - - static struct clk_hw *bcm2835_register_clock(struct bcm2835_cprman *cprman, -- const struct bcm2835_clock_data *data) -+ const void *_data) - { -+ const struct bcm2835_clock_data *data = _data; - struct bcm2835_clock *clock; - struct clk_init_data init; - const char *parents[1 << CM_SRC_BITS]; -@@ -1289,13 +1292,17 @@ static struct clk_hw *bcm2835_register_clock(struct bcm2835_cprman *cprman, - return &clock->hw; - } - --static struct clk *bcm2835_register_gate(struct bcm2835_cprman *cprman, -- const struct bcm2835_gate_data *data) -+static struct clk_hw *bcm2835_register_gate(struct bcm2835_cprman *cprman, -+ const void *_data) - { -- return clk_register_gate(cprman->dev, data->name, data->parent, -+ const struct bcm2835_gate_data *data = _data; -+ struct clk *clk; -+ -+ clk = clk_register_gate(cprman->dev, data->name, data->parent, - CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE, - cprman->regs + data->ctl_reg, - CM_GATE_BIT, 0, &cprman->regs_lock); -+ return __clk_get_hw(clk); - } - - typedef struct clk_hw *(*bcm2835_clk_register)(struct bcm2835_cprman *cprman, -@@ -1306,8 +1313,7 @@ struct bcm2835_clk_desc { - }; - - /* assignment helper macros for different clock types */ --#define _REGISTER(f, ...) { .clk_register = (bcm2835_clk_register)f, \ -- .data = __VA_ARGS__ } -+#define _REGISTER(f, ...) { .clk_register = f, .data = __VA_ARGS__ } - #define REGISTER_PLL(...) _REGISTER(&bcm2835_register_pll, \ - &(struct bcm2835_pll_data) \ - {__VA_ARGS__}) -diff --git a/drivers/clk/clk-composite.c b/drivers/clk/clk-composite.c -index 00269de..3e17e60 100644 ---- a/drivers/clk/clk-composite.c -+++ b/drivers/clk/clk-composite.c -@@ -221,7 +221,7 @@ struct clk_hw *clk_hw_register_composite(struct device *dev, const char *name, - struct clk_hw *hw; - struct clk_init_data init; - struct clk_composite *composite; -- struct clk_ops *clk_composite_ops; -+ clk_ops_no_const *clk_composite_ops; - int ret; - - composite = kzalloc(sizeof(*composite), GFP_KERNEL); -diff --git a/drivers/clk/socfpga/clk-gate-a10.c b/drivers/clk/socfpga/clk-gate-a10.c -index c2d5727..1a305db 100644 ---- a/drivers/clk/socfpga/clk-gate-a10.c -+++ b/drivers/clk/socfpga/clk-gate-a10.c -@@ -19,6 +19,7 @@ - #include - #include - #include -+#include - - #include "clk.h" - -@@ -97,7 +98,7 @@ static int socfpga_clk_prepare(struct clk_hw *hwclk) - return 0; - } - --static struct clk_ops gateclk_ops = { -+static clk_ops_no_const gateclk_ops __read_only = { - .prepare = socfpga_clk_prepare, - .recalc_rate = socfpga_gate_clk_recalc_rate, - }; -@@ -128,8 +129,10 @@ static void __init __socfpga_gate_init(struct device_node *node, - socfpga_clk->hw.reg = clk_mgr_a10_base_addr + clk_gate[0]; - socfpga_clk->hw.bit_idx = clk_gate[1]; - -- gateclk_ops.enable = clk_gate_ops.enable; -- gateclk_ops.disable = clk_gate_ops.disable; -+ pax_open_kernel(); -+ const_cast(gateclk_ops.enable) = clk_gate_ops.enable; -+ const_cast(gateclk_ops.disable) = clk_gate_ops.disable; -+ pax_close_kernel(); - } - - rc = of_property_read_u32(node, "fixed-divider", &fixed_div); -diff --git a/drivers/clk/socfpga/clk-gate.c b/drivers/clk/socfpga/clk-gate.c -index aa7a6e6..1e9b426 100644 ---- a/drivers/clk/socfpga/clk-gate.c -+++ b/drivers/clk/socfpga/clk-gate.c -@@ -21,6 +21,7 @@ - #include - #include - #include -+#include - - #include "clk.h" - -@@ -169,7 +170,7 @@ static int socfpga_clk_prepare(struct clk_hw *hwclk) - return 0; - } - --static struct clk_ops gateclk_ops = { -+static clk_ops_no_const gateclk_ops __read_only = { - .prepare = socfpga_clk_prepare, - .recalc_rate = socfpga_clk_recalc_rate, - .get_parent = socfpga_clk_get_parent, -@@ -202,8 +203,10 @@ static void __init __socfpga_gate_init(struct device_node *node, - socfpga_clk->hw.reg = clk_mgr_base_addr + clk_gate[0]; - socfpga_clk->hw.bit_idx = clk_gate[1]; - -- gateclk_ops.enable = clk_gate_ops.enable; -- gateclk_ops.disable = clk_gate_ops.disable; -+ pax_open_kernel(); -+ const_cast(gateclk_ops.enable) = clk_gate_ops.enable; -+ const_cast(gateclk_ops.disable) = clk_gate_ops.disable; -+ pax_close_kernel(); - } - - rc = of_property_read_u32(node, "fixed-divider", &fixed_div); -diff --git a/drivers/clk/socfpga/clk-pll-a10.c b/drivers/clk/socfpga/clk-pll-a10.c -index 35fabe1..d847c53 100644 ---- a/drivers/clk/socfpga/clk-pll-a10.c -+++ b/drivers/clk/socfpga/clk-pll-a10.c -@@ -18,6 +18,7 @@ - #include - #include - #include -+#include - - #include "clk.h" - -@@ -69,7 +70,7 @@ static u8 clk_pll_get_parent(struct clk_hw *hwclk) - CLK_MGR_PLL_CLK_SRC_MASK; - } - --static struct clk_ops clk_pll_ops = { -+static clk_ops_no_const clk_pll_ops __read_only = { - .recalc_rate = clk_pll_recalc_rate, - .get_parent = clk_pll_get_parent, - }; -@@ -112,8 +113,10 @@ static struct clk * __init __socfpga_pll_init(struct device_node *node, - pll_clk->hw.hw.init = &init; - - pll_clk->hw.bit_idx = SOCFPGA_PLL_EXT_ENA; -- clk_pll_ops.enable = clk_gate_ops.enable; -- clk_pll_ops.disable = clk_gate_ops.disable; -+ pax_open_kernel(); -+ const_cast(clk_pll_ops.enable) = clk_gate_ops.enable; -+ const_cast(clk_pll_ops.disable) = clk_gate_ops.disable; -+ pax_close_kernel(); - - clk = clk_register(NULL, &pll_clk->hw.hw); - if (WARN_ON(IS_ERR(clk))) { -diff --git a/drivers/clk/socfpga/clk-pll.c b/drivers/clk/socfpga/clk-pll.c -index c7f4631..8d1b7d0 100644 ---- a/drivers/clk/socfpga/clk-pll.c -+++ b/drivers/clk/socfpga/clk-pll.c -@@ -20,6 +20,7 @@ - #include - #include - #include -+#include - - #include "clk.h" - -@@ -75,7 +76,7 @@ static u8 clk_pll_get_parent(struct clk_hw *hwclk) - CLK_MGR_PLL_CLK_SRC_MASK; - } - --static struct clk_ops clk_pll_ops = { -+static clk_ops_no_const clk_pll_ops __read_only = { - .recalc_rate = clk_pll_recalc_rate, - .get_parent = clk_pll_get_parent, - }; -@@ -114,8 +115,10 @@ static __init struct clk *__socfpga_pll_init(struct device_node *node, - pll_clk->hw.hw.init = &init; - - pll_clk->hw.bit_idx = SOCFPGA_PLL_EXT_ENA; -- clk_pll_ops.enable = clk_gate_ops.enable; -- clk_pll_ops.disable = clk_gate_ops.disable; -+ pax_open_kernel(); -+ const_cast(clk_pll_ops.enable) = clk_gate_ops.enable; -+ const_cast(clk_pll_ops.disable) = clk_gate_ops.disable; -+ pax_close_kernel(); - - clk = clk_register(NULL, &pll_clk->hw.hw); - if (WARN_ON(IS_ERR(clk))) { -diff --git a/drivers/clk/ti/adpll.c b/drivers/clk/ti/adpll.c -index 255cafb..7b41c3b 100644 ---- a/drivers/clk/ti/adpll.c -+++ b/drivers/clk/ti/adpll.c -@@ -589,7 +589,7 @@ static int ti_adpll_init_clkout(struct ti_adpll_data *d, - { - struct ti_adpll_clkout_data *co; - struct clk_init_data init; -- struct clk_ops *ops; -+ clk_ops_no_const *ops; - const char *parent_names[2]; - const char *child_name; - struct clk *clock; -diff --git a/drivers/clk/ti/clk.c b/drivers/clk/ti/clk.c -index 5fcf247..446780a 100644 ---- a/drivers/clk/ti/clk.c -+++ b/drivers/clk/ti/clk.c -@@ -25,6 +25,8 @@ - #include - #include - -+#include -+ - #include "clock.h" - - #undef pr_fmt -@@ -84,8 +86,10 @@ int ti_clk_setup_ll_ops(struct ti_clk_ll_ops *ops) - } - - ti_clk_ll_ops = ops; -- ops->clk_readl = clk_memmap_readl; -- ops->clk_writel = clk_memmap_writel; -+ pax_open_kernel(); -+ const_cast(ops->clk_readl) = clk_memmap_readl; -+ const_cast(ops->clk_writel) = clk_memmap_writel; -+ pax_close_kernel(); - - return 0; - } -diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c -index 297e912..d5661fb 100644 ---- a/drivers/cpufreq/acpi-cpufreq.c -+++ b/drivers/cpufreq/acpi-cpufreq.c -@@ -694,8 +694,11 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) - data->acpi_perf_cpu = cpu; - policy->driver_data = data; - -- if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) -- acpi_cpufreq_driver.flags |= CPUFREQ_CONST_LOOPS; -+ if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) { -+ pax_open_kernel(); -+ const_cast(acpi_cpufreq_driver.flags) |= CPUFREQ_CONST_LOOPS; -+ pax_close_kernel(); -+ } - - result = acpi_processor_register_performance(perf, cpu); - if (result) -@@ -833,7 +836,9 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) - policy->cur = acpi_cpufreq_guess_freq(data, policy->cpu); - break; - case ACPI_ADR_SPACE_FIXED_HARDWARE: -- acpi_cpufreq_driver.get = get_cur_freq_on_cpu; -+ pax_open_kernel(); -+ const_cast(acpi_cpufreq_driver.get) = get_cur_freq_on_cpu; -+ pax_close_kernel(); - break; - default: - break; -@@ -930,8 +935,10 @@ static void __init acpi_cpufreq_boost_init(void) - if (!msrs) - return; - -- acpi_cpufreq_driver.set_boost = set_boost; -- acpi_cpufreq_driver.boost_enabled = boost_state(0); -+ pax_open_kernel(); -+ const_cast(acpi_cpufreq_driver.set_boost) = set_boost; -+ const_cast(acpi_cpufreq_driver.boost_enabled) = boost_state(0); -+ pax_close_kernel(); - - cpu_notifier_register_begin(); - -diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c -index 4d3ec92..cf501fc 100644 ---- a/drivers/cpufreq/cpufreq-dt.c -+++ b/drivers/cpufreq/cpufreq-dt.c -@@ -373,8 +373,11 @@ static int dt_cpufreq_probe(struct platform_device *pdev) - if (ret) - return ret; - -- if (data && data->have_governor_per_policy) -- dt_cpufreq_driver.flags |= CPUFREQ_HAVE_GOVERNOR_PER_POLICY; -+ if (data && data->have_governor_per_policy) { -+ pax_open_kernel(); -+ const_cast(dt_cpufreq_driver.flags) |= CPUFREQ_HAVE_GOVERNOR_PER_POLICY; -+ pax_close_kernel(); -+ } - - ret = cpufreq_register_driver(&dt_cpufreq_driver); - if (ret) -diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c -index cac4a92..93c0aed 100644 ---- a/drivers/cpufreq/cpufreq.c -+++ b/drivers/cpufreq/cpufreq.c -@@ -528,12 +528,12 @@ EXPORT_SYMBOL_GPL(cpufreq_driver_resolve_freq); - * SYSFS INTERFACE * - *********************************************************************/ - static ssize_t show_boost(struct kobject *kobj, -- struct attribute *attr, char *buf) -+ struct kobj_attribute *attr, char *buf) - { - return sprintf(buf, "%d\n", cpufreq_driver->boost_enabled); - } - --static ssize_t store_boost(struct kobject *kobj, struct attribute *attr, -+static ssize_t store_boost(struct kobject *kobj, struct kobj_attribute *attr, - const char *buf, size_t count) - { - int ret, enable; -@@ -2119,7 +2119,7 @@ void cpufreq_unregister_governor(struct cpufreq_governor *governor) - read_unlock_irqrestore(&cpufreq_driver_lock, flags); - - mutex_lock(&cpufreq_governor_mutex); -- list_del(&governor->governor_list); -+ pax_list_del(&governor->governor_list); - mutex_unlock(&cpufreq_governor_mutex); - return; - } -@@ -2339,13 +2339,17 @@ int cpufreq_boost_trigger_state(int state) - return 0; - - write_lock_irqsave(&cpufreq_driver_lock, flags); -- cpufreq_driver->boost_enabled = state; -+ pax_open_kernel(); -+ const_cast(cpufreq_driver->boost_enabled) = state; -+ pax_close_kernel(); - write_unlock_irqrestore(&cpufreq_driver_lock, flags); - - ret = cpufreq_driver->set_boost(state); - if (ret) { - write_lock_irqsave(&cpufreq_driver_lock, flags); -- cpufreq_driver->boost_enabled = !state; -+ pax_open_kernel(); -+ const_cast(cpufreq_driver->boost_enabled) = !state; -+ pax_close_kernel(); - write_unlock_irqrestore(&cpufreq_driver_lock, flags); - - pr_err("%s: Cannot %s BOOST\n", -@@ -2386,7 +2390,9 @@ int cpufreq_enable_boost_support(void) - if (cpufreq_boost_supported()) - return 0; - -- cpufreq_driver->set_boost = cpufreq_boost_set_sw; -+ pax_open_kernel(); -+ const_cast(cpufreq_driver->set_boost) = cpufreq_boost_set_sw; -+ pax_close_kernel(); - - /* This will get removed on driver unregister */ - return create_boost_sysfs_file(); -@@ -2444,8 +2450,11 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) - cpufreq_driver = driver_data; - write_unlock_irqrestore(&cpufreq_driver_lock, flags); - -- if (driver_data->setpolicy) -- driver_data->flags |= CPUFREQ_CONST_LOOPS; -+ if (driver_data->setpolicy) { -+ pax_open_kernel(); -+ const_cast(driver_data->flags) |= CPUFREQ_CONST_LOOPS; -+ pax_close_kernel(); -+ } - - if (cpufreq_boost_supported()) { - ret = create_boost_sysfs_file(); -diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h -index ef1037e..c832d36 100644 ---- a/drivers/cpufreq/cpufreq_governor.h -+++ b/drivers/cpufreq/cpufreq_governor.h -@@ -171,7 +171,7 @@ void cpufreq_dbs_governor_limits(struct cpufreq_policy *policy); - struct od_ops { - unsigned int (*powersave_bias_target)(struct cpufreq_policy *policy, - unsigned int freq_next, unsigned int relation); --}; -+} __no_const; - - unsigned int dbs_update(struct cpufreq_policy *policy); - void od_register_powersave_bias_handler(unsigned int (*f) -diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c -index 3a1f49f..42a478e 100644 ---- a/drivers/cpufreq/cpufreq_ondemand.c -+++ b/drivers/cpufreq/cpufreq_ondemand.c -@@ -408,7 +408,7 @@ static void od_start(struct cpufreq_policy *policy) - ondemand_powersave_bias_init(policy); - } - --static struct od_ops od_ops = { -+static struct od_ops od_ops __read_only = { - .powersave_bias_target = generic_powersave_bias_target, - }; - -@@ -464,14 +464,18 @@ void od_register_powersave_bias_handler(unsigned int (*f) - (struct cpufreq_policy *, unsigned int, unsigned int), - unsigned int powersave_bias) - { -- od_ops.powersave_bias_target = f; -+ pax_open_kernel(); -+ const_cast(od_ops.powersave_bias_target) = f; -+ pax_close_kernel(); - od_set_powersave_bias(powersave_bias); - } - EXPORT_SYMBOL_GPL(od_register_powersave_bias_handler); - - void od_unregister_powersave_bias_handler(void) - { -- od_ops.powersave_bias_target = generic_powersave_bias_target; -+ pax_open_kernel(); -+ const_cast(od_ops.powersave_bias_target) = generic_powersave_bias_target; -+ pax_close_kernel(); - od_set_powersave_bias(0); - } - EXPORT_SYMBOL_GPL(od_unregister_powersave_bias_handler); -diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c -index 80fa656..fe05593 100644 ---- a/drivers/cpufreq/intel_pstate.c -+++ b/drivers/cpufreq/intel_pstate.c -@@ -283,13 +283,13 @@ struct pstate_funcs { - struct cpu_defaults { - struct pstate_adjust_policy pid_policy; - struct pstate_funcs funcs; --}; -+} __do_const; - - static inline int32_t get_target_pstate_use_performance(struct cpudata *cpu); - static inline int32_t get_target_pstate_use_cpu_load(struct cpudata *cpu); - - static struct pstate_adjust_policy pid_params __read_mostly; --static struct pstate_funcs pstate_funcs __read_mostly; -+static struct pstate_funcs *pstate_funcs __read_mostly; - static int hwp_active __read_mostly; - - #ifdef CONFIG_ACPI -@@ -658,13 +658,13 @@ static void __init intel_pstate_debug_expose_params(void) - /************************** sysfs begin ************************/ - #define show_one(file_name, object) \ - static ssize_t show_##file_name \ -- (struct kobject *kobj, struct attribute *attr, char *buf) \ -+ (struct kobject *kobj, struct kobj_attribute *attr, char *buf) \ - { \ - return sprintf(buf, "%u\n", limits->object); \ - } - - static ssize_t show_turbo_pct(struct kobject *kobj, -- struct attribute *attr, char *buf) -+ struct kobj_attribute *attr, char *buf) - { - struct cpudata *cpu; - int total, no_turbo, turbo_pct; -@@ -680,7 +680,7 @@ static ssize_t show_turbo_pct(struct kobject *kobj, - } - - static ssize_t show_num_pstates(struct kobject *kobj, -- struct attribute *attr, char *buf) -+ struct kobj_attribute *attr, char *buf) - { - struct cpudata *cpu; - int total; -@@ -691,7 +691,7 @@ static ssize_t show_num_pstates(struct kobject *kobj, - } - - static ssize_t show_no_turbo(struct kobject *kobj, -- struct attribute *attr, char *buf) -+ struct kobj_attribute *attr, char *buf) - { - ssize_t ret; - -@@ -704,7 +704,7 @@ static ssize_t show_no_turbo(struct kobject *kobj, - return ret; - } - --static ssize_t store_no_turbo(struct kobject *a, struct attribute *b, -+static ssize_t store_no_turbo(struct kobject *a, struct kobj_attribute *b, - const char *buf, size_t count) - { - unsigned int input; -@@ -728,7 +728,7 @@ static ssize_t store_no_turbo(struct kobject *a, struct attribute *b, - return count; - } - --static ssize_t store_max_perf_pct(struct kobject *a, struct attribute *b, -+static ssize_t store_max_perf_pct(struct kobject *a, struct kobj_attribute *b, - const char *buf, size_t count) - { - unsigned int input; -@@ -752,7 +752,7 @@ static ssize_t store_max_perf_pct(struct kobject *a, struct attribute *b, - return count; - } - --static ssize_t store_min_perf_pct(struct kobject *a, struct attribute *b, -+static ssize_t store_min_perf_pct(struct kobject *a, struct kobj_attribute *b, - const char *buf, size_t count) - { - unsigned int input; -@@ -1173,7 +1173,7 @@ static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate) - * right CPU. - */ - wrmsrl_on_cpu(cpu->cpu, MSR_IA32_PERF_CTL, -- pstate_funcs.get_val(cpu, pstate)); -+ pstate_funcs->get_val(cpu, pstate)); - } - - static void intel_pstate_set_min_pstate(struct cpudata *cpu) -@@ -1192,14 +1192,14 @@ static void intel_pstate_max_within_limits(struct cpudata *cpu) - - static void intel_pstate_get_cpu_pstates(struct cpudata *cpu) - { -- cpu->pstate.min_pstate = pstate_funcs.get_min(); -- cpu->pstate.max_pstate = pstate_funcs.get_max(); -- cpu->pstate.max_pstate_physical = pstate_funcs.get_max_physical(); -- cpu->pstate.turbo_pstate = pstate_funcs.get_turbo(); -- cpu->pstate.scaling = pstate_funcs.get_scaling(); -+ cpu->pstate.min_pstate = pstate_funcs->get_min(); -+ cpu->pstate.max_pstate = pstate_funcs->get_max(); -+ cpu->pstate.max_pstate_physical = pstate_funcs->get_max_physical(); -+ cpu->pstate.turbo_pstate = pstate_funcs->get_turbo(); -+ cpu->pstate.scaling = pstate_funcs->get_scaling(); - -- if (pstate_funcs.get_vid) -- pstate_funcs.get_vid(cpu); -+ if (pstate_funcs->get_vid) -+ pstate_funcs->get_vid(cpu); - - intel_pstate_set_min_pstate(cpu); - } -@@ -1348,7 +1348,7 @@ static inline void intel_pstate_update_pstate(struct cpudata *cpu, int pstate) - return; - - cpu->pstate.current_pstate = pstate; -- wrmsrl(MSR_IA32_PERF_CTL, pstate_funcs.get_val(cpu, pstate)); -+ wrmsrl(MSR_IA32_PERF_CTL, pstate_funcs->get_val(cpu, pstate)); - } - - static inline void intel_pstate_adjust_busy_pstate(struct cpudata *cpu) -@@ -1359,7 +1359,7 @@ static inline void intel_pstate_adjust_busy_pstate(struct cpudata *cpu) - from = cpu->pstate.current_pstate; - - target_pstate = cpu->policy == CPUFREQ_POLICY_PERFORMANCE ? -- cpu->pstate.turbo_pstate : pstate_funcs.get_target_pstate(cpu); -+ cpu->pstate.turbo_pstate : pstate_funcs->get_target_pstate(cpu); - - intel_pstate_update_pstate(cpu, target_pstate); - -@@ -1683,15 +1683,15 @@ static unsigned int force_load __initdata; - - static int __init intel_pstate_msrs_not_valid(void) - { -- if (!pstate_funcs.get_max() || -- !pstate_funcs.get_min() || -- !pstate_funcs.get_turbo()) -+ if (!pstate_funcs->get_max() || -+ !pstate_funcs->get_min() || -+ !pstate_funcs->get_turbo()) - return -ENODEV; - - return 0; - } - --static void __init copy_pid_params(struct pstate_adjust_policy *policy) -+static void __init copy_pid_params(const struct pstate_adjust_policy *policy) - { - pid_params.sample_rate_ms = policy->sample_rate_ms; - pid_params.sample_rate_ns = pid_params.sample_rate_ms * NSEC_PER_MSEC; -@@ -1704,15 +1704,7 @@ static void __init copy_pid_params(struct pstate_adjust_policy *policy) - - static void __init copy_cpu_funcs(struct pstate_funcs *funcs) - { -- pstate_funcs.get_max = funcs->get_max; -- pstate_funcs.get_max_physical = funcs->get_max_physical; -- pstate_funcs.get_min = funcs->get_min; -- pstate_funcs.get_turbo = funcs->get_turbo; -- pstate_funcs.get_scaling = funcs->get_scaling; -- pstate_funcs.get_val = funcs->get_val; -- pstate_funcs.get_vid = funcs->get_vid; -- pstate_funcs.get_target_pstate = funcs->get_target_pstate; -- -+ pstate_funcs = funcs; - } - - #ifdef CONFIG_ACPI -diff --git a/drivers/cpufreq/p4-clockmod.c b/drivers/cpufreq/p4-clockmod.c -index fd77812..97e3efe 100644 ---- a/drivers/cpufreq/p4-clockmod.c -+++ b/drivers/cpufreq/p4-clockmod.c -@@ -130,10 +130,14 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c) - case 0x0F: /* Core Duo */ - case 0x16: /* Celeron Core */ - case 0x1C: /* Atom */ -- p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS; -+ pax_open_kernel(); -+ const_cast(p4clockmod_driver.flags) |= CPUFREQ_CONST_LOOPS; -+ pax_close_kernel(); - return speedstep_get_frequency(SPEEDSTEP_CPU_PCORE); - case 0x0D: /* Pentium M (Dothan) */ -- p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS; -+ pax_open_kernel(); -+ const_cast(p4clockmod_driver.flags) |= CPUFREQ_CONST_LOOPS; -+ pax_close_kernel(); - /* fall through */ - case 0x09: /* Pentium M (Banias) */ - return speedstep_get_frequency(SPEEDSTEP_CPU_PM); -@@ -145,7 +149,9 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c) - - /* on P-4s, the TSC runs with constant frequency independent whether - * throttling is active or not. */ -- p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS; -+ pax_open_kernel(); -+ const_cast(p4clockmod_driver.flags) |= CPUFREQ_CONST_LOOPS; -+ pax_close_kernel(); - - if (speedstep_detect_processor() == SPEEDSTEP_CPU_P4M) { - pr_warn("Warning: Pentium 4-M detected. The speedstep-ich or acpi cpufreq modules offer voltage scaling in addition of frequency scaling. You should use either one instead of p4-clockmod, if possible.\n"); -diff --git a/drivers/cpufreq/sparc-us3-cpufreq.c b/drivers/cpufreq/sparc-us3-cpufreq.c -index 9bb42ba..b01b4a2 100644 ---- a/drivers/cpufreq/sparc-us3-cpufreq.c -+++ b/drivers/cpufreq/sparc-us3-cpufreq.c -@@ -18,14 +18,12 @@ - #include - #include - --static struct cpufreq_driver *cpufreq_us3_driver; -- - struct us3_freq_percpu_info { - struct cpufreq_frequency_table table[4]; - }; - - /* Indexed by cpu number. */ --static struct us3_freq_percpu_info *us3_freq_table; -+static struct us3_freq_percpu_info us3_freq_table[NR_CPUS]; - - /* UltraSPARC-III has three dividers: 1, 2, and 32. These are controlled - * in the Safari config register. -@@ -156,16 +154,27 @@ static int __init us3_freq_cpu_init(struct cpufreq_policy *policy) - - static int us3_freq_cpu_exit(struct cpufreq_policy *policy) - { -- if (cpufreq_us3_driver) -- us3_freq_target(policy, 0); -+ us3_freq_target(policy, 0); - - return 0; - } - -+static int __init us3_freq_init(void); -+static void __exit us3_freq_exit(void); -+ -+static struct cpufreq_driver cpufreq_us3_driver = { -+ .init = us3_freq_cpu_init, -+ .verify = cpufreq_generic_frequency_table_verify, -+ .target_index = us3_freq_target, -+ .get = us3_freq_get, -+ .exit = us3_freq_cpu_exit, -+ .name = "UltraSPARC-III", -+ -+}; -+ - static int __init us3_freq_init(void) - { - unsigned long manuf, impl, ver; -- int ret; - - if (tlb_type != cheetah && tlb_type != cheetah_plus) - return -ENODEV; -@@ -178,55 +187,15 @@ static int __init us3_freq_init(void) - (impl == CHEETAH_IMPL || - impl == CHEETAH_PLUS_IMPL || - impl == JAGUAR_IMPL || -- impl == PANTHER_IMPL)) { -- struct cpufreq_driver *driver; -- -- ret = -ENOMEM; -- driver = kzalloc(sizeof(*driver), GFP_KERNEL); -- if (!driver) -- goto err_out; -- -- us3_freq_table = kzalloc((NR_CPUS * sizeof(*us3_freq_table)), -- GFP_KERNEL); -- if (!us3_freq_table) -- goto err_out; -- -- driver->init = us3_freq_cpu_init; -- driver->verify = cpufreq_generic_frequency_table_verify; -- driver->target_index = us3_freq_target; -- driver->get = us3_freq_get; -- driver->exit = us3_freq_cpu_exit; -- strcpy(driver->name, "UltraSPARC-III"); -- -- cpufreq_us3_driver = driver; -- ret = cpufreq_register_driver(driver); -- if (ret) -- goto err_out; -- -- return 0; -- --err_out: -- if (driver) { -- kfree(driver); -- cpufreq_us3_driver = NULL; -- } -- kfree(us3_freq_table); -- us3_freq_table = NULL; -- return ret; -- } -+ impl == PANTHER_IMPL)) -+ return cpufreq_register_driver(&cpufreq_us3_driver); - - return -ENODEV; - } - - static void __exit us3_freq_exit(void) - { -- if (cpufreq_us3_driver) { -- cpufreq_unregister_driver(cpufreq_us3_driver); -- kfree(cpufreq_us3_driver); -- cpufreq_us3_driver = NULL; -- kfree(us3_freq_table); -- us3_freq_table = NULL; -- } -+ cpufreq_unregister_driver(&cpufreq_us3_driver); - } - - MODULE_AUTHOR("David S. Miller "); -diff --git a/drivers/cpufreq/speedstep-centrino.c b/drivers/cpufreq/speedstep-centrino.c -index 41bc539..e46a74d 100644 ---- a/drivers/cpufreq/speedstep-centrino.c -+++ b/drivers/cpufreq/speedstep-centrino.c -@@ -352,8 +352,11 @@ static int centrino_cpu_init(struct cpufreq_policy *policy) - !cpu_has(cpu, X86_FEATURE_EST)) - return -ENODEV; - -- if (cpu_has(cpu, X86_FEATURE_CONSTANT_TSC)) -- centrino_driver.flags |= CPUFREQ_CONST_LOOPS; -+ if (cpu_has(cpu, X86_FEATURE_CONSTANT_TSC)) { -+ pax_open_kernel(); -+ const_cast(centrino_driver.flags) |= CPUFREQ_CONST_LOOPS; -+ pax_close_kernel(); -+ } - - if (policy->cpu != 0) - return -ENODEV; -diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c -index ab264d3..6a13e87 100644 ---- a/drivers/cpuidle/driver.c -+++ b/drivers/cpuidle/driver.c -@@ -194,7 +194,7 @@ static int __cpuidle poll_idle(struct cpuidle_device *dev, - - static void poll_idle_init(struct cpuidle_driver *drv) - { -- struct cpuidle_state *state = &drv->states[0]; -+ cpuidle_state_no_const *state = &drv->states[0]; - - snprintf(state->name, CPUIDLE_NAME_LEN, "POLL"); - snprintf(state->desc, CPUIDLE_DESC_LEN, "CPUIDLE CORE POLL IDLE"); -diff --git a/drivers/cpuidle/dt_idle_states.c b/drivers/cpuidle/dt_idle_states.c -index a5c111b..1113002 100644 ---- a/drivers/cpuidle/dt_idle_states.c -+++ b/drivers/cpuidle/dt_idle_states.c -@@ -21,7 +21,7 @@ - - #include "dt_idle_states.h" - --static int init_state_node(struct cpuidle_state *idle_state, -+static int init_state_node(cpuidle_state_no_const *idle_state, - const struct of_device_id *matches, - struct device_node *state_node) - { -diff --git a/drivers/cpuidle/governor.c b/drivers/cpuidle/governor.c -index fb9f511..213e6cc 100644 ---- a/drivers/cpuidle/governor.c -+++ b/drivers/cpuidle/governor.c -@@ -87,7 +87,7 @@ int cpuidle_register_governor(struct cpuidle_governor *gov) - mutex_lock(&cpuidle_lock); - if (__cpuidle_find_governor(gov->name) == NULL) { - ret = 0; -- list_add_tail(&gov->governor_list, &cpuidle_governors); -+ pax_list_add_tail((struct list_head *)&gov->governor_list, &cpuidle_governors); - if (!cpuidle_curr_governor || - cpuidle_curr_governor->rating < gov->rating) - cpuidle_switch_governor(gov); -diff --git a/drivers/cpuidle/governors/ladder.c b/drivers/cpuidle/governors/ladder.c -index 63bd5a4..eea2dff 100644 ---- a/drivers/cpuidle/governors/ladder.c -+++ b/drivers/cpuidle/governors/ladder.c -@@ -173,6 +173,15 @@ static void ladder_reflect(struct cpuidle_device *dev, int index) - - static struct cpuidle_governor ladder_governor = { - .name = "ladder", -+ .rating = 25, -+ .enable = ladder_enable_device, -+ .select = ladder_select_state, -+ .reflect = ladder_reflect, -+ .owner = THIS_MODULE, -+}; -+ -+static struct cpuidle_governor ladder_governor_nohz = { -+ .name = "ladder", - .rating = 10, - .enable = ladder_enable_device, - .select = ladder_select_state, -@@ -190,10 +199,8 @@ static int __init init_ladder(void) - * governor is better so give it a higher rating than the menu - * governor. - */ -- if (!tick_nohz_enabled) -- ladder_governor.rating = 25; - -- return cpuidle_register_governor(&ladder_governor); -+ return cpuidle_register_governor(tick_nohz_enabled ? &ladder_governor_nohz : &ladder_governor); - } - - postcore_initcall(init_ladder); -diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c -index 832a2c3..1794080 100644 ---- a/drivers/cpuidle/sysfs.c -+++ b/drivers/cpuidle/sysfs.c -@@ -135,7 +135,7 @@ static struct attribute *cpuidle_switch_attrs[] = { - NULL - }; - --static struct attribute_group cpuidle_attr_group = { -+static attribute_group_no_const cpuidle_attr_group = { - .attrs = cpuidle_default_attrs, - .name = "cpuidle", - }; -diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c -index e09d405..f86cbac 100644 ---- a/drivers/crypto/hifn_795x.c -+++ b/drivers/crypto/hifn_795x.c -@@ -37,7 +37,7 @@ module_param_string(hifn_pll_ref, hifn_pll_ref, sizeof(hifn_pll_ref), 0444); - MODULE_PARM_DESC(hifn_pll_ref, - "PLL reference clock (pci[freq] or ext[freq], default ext)"); - --static atomic_t hifn_dev_number; -+static atomic_unchecked_t hifn_dev_number; - - #define ACRYPTO_OP_DECRYPT 0 - #define ACRYPTO_OP_ENCRYPT 1 -@@ -2475,7 +2475,7 @@ static int hifn_probe(struct pci_dev *pdev, const struct pci_device_id *id) - goto err_out_disable_pci_device; - - snprintf(name, sizeof(name), "hifn%d", -- atomic_inc_return(&hifn_dev_number) - 1); -+ atomic_inc_return_unchecked(&hifn_dev_number) - 1); - - err = pci_request_regions(pdev, name); - if (err) -diff --git a/drivers/crypto/qat/qat_common/adf_aer.c b/drivers/crypto/qat/qat_common/adf_aer.c -index 2839fcc..b40595a 100644 ---- a/drivers/crypto/qat/qat_common/adf_aer.c -+++ b/drivers/crypto/qat/qat_common/adf_aer.c -@@ -56,7 +56,7 @@ - static struct workqueue_struct *device_reset_wq; - - static pci_ers_result_t adf_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev); - -diff --git a/drivers/crypto/qat/qat_common/adf_sriov.c b/drivers/crypto/qat/qat_common/adf_sriov.c -index 9320ae1..4bf8e7e 100644 ---- a/drivers/crypto/qat/qat_common/adf_sriov.c -+++ b/drivers/crypto/qat/qat_common/adf_sriov.c -@@ -93,7 +93,7 @@ static void adf_iov_send_resp(struct work_struct *work) - kfree(pf2vf_resp); - } - --static void adf_vf2pf_bh_handler(void *data) -+static void adf_vf2pf_bh_handler(unsigned long data) - { - struct adf_accel_vf_info *vf_info = (struct adf_accel_vf_info *)data; - struct adf_pf2vf_resp *pf2vf_resp; -@@ -126,7 +126,7 @@ static int adf_enable_sriov(struct adf_accel_dev *accel_dev) - vf_info->vf_nr = i; - - tasklet_init(&vf_info->vf2pf_bh_tasklet, -- (void *)adf_vf2pf_bh_handler, -+ adf_vf2pf_bh_handler, - (unsigned long)vf_info); - mutex_init(&vf_info->pf2vf_lock); - ratelimit_state_init(&vf_info->vf2pf_ratelimit, -diff --git a/drivers/crypto/qat/qat_common/adf_vf_isr.c b/drivers/crypto/qat/qat_common/adf_vf_isr.c -index bf99e11..a44361c 100644 ---- a/drivers/crypto/qat/qat_common/adf_vf_isr.c -+++ b/drivers/crypto/qat/qat_common/adf_vf_isr.c -@@ -112,9 +112,9 @@ static void adf_dev_stop_async(struct work_struct *work) - kfree(stop_data); - } - --static void adf_pf2vf_bh_handler(void *data) -+static void adf_pf2vf_bh_handler(unsigned long data) - { -- struct adf_accel_dev *accel_dev = data; -+ struct adf_accel_dev *accel_dev = (struct adf_accel_dev *)data; - struct adf_hw_device_data *hw_data = accel_dev->hw_device; - struct adf_bar *pmisc = - &GET_BARS(accel_dev)[hw_data->get_misc_bar_id(hw_data)]; -@@ -183,7 +183,7 @@ static void adf_pf2vf_bh_handler(void *data) - static int adf_setup_pf2vf_bh(struct adf_accel_dev *accel_dev) - { - tasklet_init(&accel_dev->vf.pf2vf_bh_tasklet, -- (void *)adf_pf2vf_bh_handler, (unsigned long)accel_dev); -+ adf_pf2vf_bh_handler, (unsigned long)accel_dev); - - mutex_init(&accel_dev->vf.vf2pf_lock); - return 0; -diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c -index 7309c08..857ee48 100644 ---- a/drivers/devfreq/devfreq.c -+++ b/drivers/devfreq/devfreq.c -@@ -814,7 +814,7 @@ int devfreq_add_governor(struct devfreq_governor *governor) - goto err_out; - } - -- list_add(&governor->node, &devfreq_governor_list); -+ pax_list_add((struct list_head *)&governor->node, &devfreq_governor_list); - - list_for_each_entry(devfreq, &devfreq_list, node) { - int ret = 0; -@@ -902,7 +902,7 @@ int devfreq_remove_governor(struct devfreq_governor *governor) - } - } - -- list_del(&governor->node); -+ pax_list_del((struct list_head *)&governor->node); - err_out: - mutex_unlock(&devfreq_list_lock); - -diff --git a/drivers/devfreq/governor_passive.c b/drivers/devfreq/governor_passive.c -index 5be96b2..c5f2db5 100644 ---- a/drivers/devfreq/governor_passive.c -+++ b/drivers/devfreq/governor_passive.c -@@ -156,7 +156,7 @@ static int devfreq_passive_event_handler(struct devfreq *devfreq, - struct devfreq_passive_data *p_data - = (struct devfreq_passive_data *)devfreq->data; - struct devfreq *parent = (struct devfreq *)p_data->parent; -- struct notifier_block *nb = &p_data->nb; -+ notifier_block_no_const *nb = &p_data->nb; - int ret = 0; - - if (!parent) -diff --git a/drivers/dma/qcom/hidma.c b/drivers/dma/qcom/hidma.c -index e244e10..b7799ec 100644 ---- a/drivers/dma/qcom/hidma.c -+++ b/drivers/dma/qcom/hidma.c -@@ -570,7 +570,7 @@ static ssize_t hidma_show_values(struct device *dev, - static int hidma_create_sysfs_entry(struct hidma_dev *dev, char *name, - int mode) - { -- struct device_attribute *attrs; -+ device_attribute_no_const *attrs; - char *name_copy; - - attrs = devm_kmalloc(dev->ddev.dev, sizeof(struct device_attribute), -diff --git a/drivers/dma/qcom/hidma_mgmt_sys.c b/drivers/dma/qcom/hidma_mgmt_sys.c -index d61f106..a23baa3 100644 ---- a/drivers/dma/qcom/hidma_mgmt_sys.c -+++ b/drivers/dma/qcom/hidma_mgmt_sys.c -@@ -194,7 +194,7 @@ static ssize_t set_values_channel(struct kobject *kobj, - - static int create_sysfs_entry(struct hidma_mgmt_dev *dev, char *name, int mode) - { -- struct device_attribute *attrs; -+ device_attribute_no_const *attrs; - char *name_copy; - - attrs = devm_kmalloc(&dev->pdev->dev, -diff --git a/drivers/dma/sh/shdma-base.c b/drivers/dma/sh/shdma-base.c -index 12fa48e..19d6a7c 100644 ---- a/drivers/dma/sh/shdma-base.c -+++ b/drivers/dma/sh/shdma-base.c -@@ -227,8 +227,8 @@ static int shdma_alloc_chan_resources(struct dma_chan *chan) - schan->slave_id = -EINVAL; - } - -- schan->desc = kcalloc(NR_DESCS_PER_CHANNEL, -- sdev->desc_size, GFP_KERNEL); -+ schan->desc = kcalloc(sdev->desc_size, -+ NR_DESCS_PER_CHANNEL, GFP_KERNEL); - if (!schan->desc) { - ret = -ENOMEM; - goto edescalloc; -diff --git a/drivers/dma/sh/shdmac.c b/drivers/dma/sh/shdmac.c -index c94ffab..82c11f0 100644 ---- a/drivers/dma/sh/shdmac.c -+++ b/drivers/dma/sh/shdmac.c -@@ -513,7 +513,7 @@ static int sh_dmae_nmi_handler(struct notifier_block *self, - return ret; - } - --static struct notifier_block sh_dmae_nmi_notifier __read_mostly = { -+static struct notifier_block sh_dmae_nmi_notifier = { - .notifier_call = sh_dmae_nmi_handler, - - /* Run before NMI debug handler and KGDB */ -diff --git a/drivers/edac/edac_device.c b/drivers/edac/edac_device.c -index a979003..773b7f0 100644 ---- a/drivers/edac/edac_device.c -+++ b/drivers/edac/edac_device.c -@@ -468,9 +468,9 @@ void edac_device_reset_delay_period(struct edac_device_ctl_info *edac_dev, - */ - int edac_device_alloc_index(void) - { -- static atomic_t device_indexes = ATOMIC_INIT(0); -+ static atomic_unchecked_t device_indexes = ATOMIC_INIT(0); - -- return atomic_inc_return(&device_indexes) - 1; -+ return atomic_inc_return_unchecked(&device_indexes) - 1; - } - EXPORT_SYMBOL_GPL(edac_device_alloc_index); - -diff --git a/drivers/edac/edac_device_sysfs.c b/drivers/edac/edac_device_sysfs.c -index 93da1a4..5e2c149 100644 ---- a/drivers/edac/edac_device_sysfs.c -+++ b/drivers/edac/edac_device_sysfs.c -@@ -749,7 +749,7 @@ static int edac_device_add_main_sysfs_attributes( - */ - while (sysfs_attrib->attr.name != NULL) { - err = sysfs_create_file(&edac_dev->kobj, -- (struct attribute*) sysfs_attrib); -+ &sysfs_attrib->attr); - if (err) - goto err_out; - -diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c -index 4e0f8e7..0eb9499 100644 ---- a/drivers/edac/edac_mc_sysfs.c -+++ b/drivers/edac/edac_mc_sysfs.c -@@ -50,7 +50,7 @@ int edac_mc_get_poll_msec(void) - return edac_mc_poll_msec; - } - --static int edac_set_poll_msec(const char *val, struct kernel_param *kp) -+static int edac_set_poll_msec(const char *val, const struct kernel_param *kp) - { - unsigned long l; - int ret; -@@ -154,7 +154,7 @@ static const char * const edac_caps[] = { - struct dev_ch_attribute { - struct device_attribute attr; - int channel; --}; -+} __do_const; - - #define DEVICE_CHANNEL(_name, _mode, _show, _store, _var) \ - static struct dev_ch_attribute dev_attr_legacy_##_name = \ -diff --git a/drivers/edac/edac_module.c b/drivers/edac/edac_module.c -index 5f8543b..46aa017 100644 ---- a/drivers/edac/edac_module.c -+++ b/drivers/edac/edac_module.c -@@ -19,7 +19,7 @@ - - #ifdef CONFIG_EDAC_DEBUG - --static int edac_set_debug_level(const char *buf, struct kernel_param *kp) -+static int edac_set_debug_level(const char *buf, const struct kernel_param *kp) - { - unsigned long val; - int ret; -diff --git a/drivers/edac/edac_pci.c b/drivers/edac/edac_pci.c -index 8f2f289..cbb0d7c 100644 ---- a/drivers/edac/edac_pci.c -+++ b/drivers/edac/edac_pci.c -@@ -29,7 +29,7 @@ - - static DEFINE_MUTEX(edac_pci_ctls_mutex); - static LIST_HEAD(edac_pci_list); --static atomic_t pci_indexes = ATOMIC_INIT(0); -+static atomic_unchecked_t pci_indexes = ATOMIC_INIT(0); - - /* - * edac_pci_alloc_ctl_info -@@ -224,7 +224,7 @@ static void edac_pci_workq_function(struct work_struct *work_req) - */ - int edac_pci_alloc_index(void) - { -- return atomic_inc_return(&pci_indexes) - 1; -+ return atomic_inc_return_unchecked(&pci_indexes) - 1; - } - EXPORT_SYMBOL_GPL(edac_pci_alloc_index); - -diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c -index 6e3428b..9bdb207 100644 ---- a/drivers/edac/edac_pci_sysfs.c -+++ b/drivers/edac/edac_pci_sysfs.c -@@ -23,8 +23,8 @@ static int edac_pci_log_pe = 1; /* log PCI parity errors */ - static int edac_pci_log_npe = 1; /* log PCI non-parity error errors */ - static int edac_pci_poll_msec = 1000; /* one second workq period */ - --static atomic_t pci_parity_count = ATOMIC_INIT(0); --static atomic_t pci_nonparity_count = ATOMIC_INIT(0); -+static atomic_unchecked_t pci_parity_count = ATOMIC_INIT(0); -+static atomic_unchecked_t pci_nonparity_count = ATOMIC_INIT(0); - - static struct kobject *edac_pci_top_main_kobj; - static atomic_t edac_pci_sysfs_refcount = ATOMIC_INIT(0); -@@ -232,7 +232,7 @@ struct edac_pci_dev_attribute { - void *value; - ssize_t(*show) (void *, char *); - ssize_t(*store) (void *, const char *, size_t); --}; -+} __do_const; - - /* Set of show/store abstract level functions for PCI Parity object */ - static ssize_t edac_pci_dev_show(struct kobject *kobj, struct attribute *attr, -@@ -564,7 +564,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev) - edac_printk(KERN_CRIT, EDAC_PCI, - "Signaled System Error on %s\n", - pci_name(dev)); -- atomic_inc(&pci_nonparity_count); -+ atomic_inc_unchecked(&pci_nonparity_count); - } - - if (status & (PCI_STATUS_PARITY)) { -@@ -572,7 +572,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev) - "Master Data Parity Error on %s\n", - pci_name(dev)); - -- atomic_inc(&pci_parity_count); -+ atomic_inc_unchecked(&pci_parity_count); - } - - if (status & (PCI_STATUS_DETECTED_PARITY)) { -@@ -580,7 +580,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev) - "Detected Parity Error on %s\n", - pci_name(dev)); - -- atomic_inc(&pci_parity_count); -+ atomic_inc_unchecked(&pci_parity_count); - } - } - -@@ -603,7 +603,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev) - edac_printk(KERN_CRIT, EDAC_PCI, "Bridge " - "Signaled System Error on %s\n", - pci_name(dev)); -- atomic_inc(&pci_nonparity_count); -+ atomic_inc_unchecked(&pci_nonparity_count); - } - - if (status & (PCI_STATUS_PARITY)) { -@@ -611,7 +611,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev) - "Master Data Parity Error on " - "%s\n", pci_name(dev)); - -- atomic_inc(&pci_parity_count); -+ atomic_inc_unchecked(&pci_parity_count); - } - - if (status & (PCI_STATUS_DETECTED_PARITY)) { -@@ -619,7 +619,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev) - "Detected Parity Error on %s\n", - pci_name(dev)); - -- atomic_inc(&pci_parity_count); -+ atomic_inc_unchecked(&pci_parity_count); - } - } - } -@@ -657,7 +657,7 @@ void edac_pci_do_parity_check(void) - if (!check_pci_errors) - return; - -- before_count = atomic_read(&pci_parity_count); -+ before_count = atomic_read_unchecked(&pci_parity_count); - - /* scan all PCI devices looking for a Parity Error on devices and - * bridges. -@@ -669,7 +669,7 @@ void edac_pci_do_parity_check(void) - /* Only if operator has selected panic on PCI Error */ - if (edac_pci_get_panic_on_pe()) { - /* If the count is different 'after' from 'before' */ -- if (before_count != atomic_read(&pci_parity_count)) -+ if (before_count != atomic_read_unchecked(&pci_parity_count)) - panic("EDAC: PCI Parity Error"); - } - } -diff --git a/drivers/edac/mce_amd.h b/drivers/edac/mce_amd.h -index c2359a1..8bd119d 100644 ---- a/drivers/edac/mce_amd.h -+++ b/drivers/edac/mce_amd.h -@@ -74,7 +74,7 @@ struct amd_decoder_ops { - bool (*mc0_mce)(u16, u8); - bool (*mc1_mce)(u16, u8); - bool (*mc2_mce)(u16, u8); --}; -+} __no_const; - - void amd_report_gart_errors(bool); - void amd_register_ecc_decoder(void (*f)(int, struct mce *)); -diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c -index 57ea7f4..af06b76 100644 ---- a/drivers/firewire/core-card.c -+++ b/drivers/firewire/core-card.c -@@ -528,9 +528,9 @@ void fw_card_initialize(struct fw_card *card, - const struct fw_card_driver *driver, - struct device *device) - { -- static atomic_t index = ATOMIC_INIT(-1); -+ static atomic_unchecked_t index = ATOMIC_INIT(-1); - -- card->index = atomic_inc_return(&index); -+ card->index = atomic_inc_return_unchecked(&index); - card->driver = driver; - card->device = device; - card->current_tlabel = 0; -@@ -680,7 +680,7 @@ EXPORT_SYMBOL_GPL(fw_card_release); - - void fw_core_remove_card(struct fw_card *card) - { -- struct fw_card_driver dummy_driver = dummy_driver_template; -+ fw_card_driver_no_const dummy_driver = dummy_driver_template; - - card->driver->update_phy_reg(card, 4, - PHY_LINK_ACTIVE | PHY_CONTENDER, 0); -diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c -index aee149b..2a18960 100644 ---- a/drivers/firewire/core-cdev.c -+++ b/drivers/firewire/core-cdev.c -@@ -970,7 +970,7 @@ static int ioctl_create_iso_context(struct client *client, union ioctl_arg *arg) - { - struct fw_cdev_create_iso_context *a = &arg->create_iso_context; - struct fw_iso_context *context; -- fw_iso_callback_t cb; -+ void *cb; - int ret; - - BUILD_BUG_ON(FW_CDEV_ISO_CONTEXT_TRANSMIT != FW_ISO_CONTEXT_TRANSMIT || -@@ -995,7 +995,7 @@ static int ioctl_create_iso_context(struct client *client, union ioctl_arg *arg) - break; - - case FW_ISO_CONTEXT_RECEIVE_MULTICHANNEL: -- cb = (fw_iso_callback_t)iso_mc_callback; -+ cb = iso_mc_callback; - break; - - default: -diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c -index f9e3aee..269dbdb 100644 ---- a/drivers/firewire/core-device.c -+++ b/drivers/firewire/core-device.c -@@ -256,7 +256,7 @@ EXPORT_SYMBOL(fw_device_enable_phys_dma); - struct config_rom_attribute { - struct device_attribute attr; - u32 key; --}; -+} __do_const; - - static ssize_t show_immediate(struct device *dev, - struct device_attribute *dattr, char *buf) -diff --git a/drivers/firewire/core-iso.c b/drivers/firewire/core-iso.c -index 38c0aa6..95466e4 100644 ---- a/drivers/firewire/core-iso.c -+++ b/drivers/firewire/core-iso.c -@@ -162,7 +162,7 @@ size_t fw_iso_buffer_lookup(struct fw_iso_buffer *buffer, dma_addr_t completed) - - struct fw_iso_context *fw_iso_context_create(struct fw_card *card, - int type, int channel, int speed, size_t header_size, -- fw_iso_callback_t callback, void *callback_data) -+ void *callback, void *callback_data) - { - struct fw_iso_context *ctx; - -diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c -index d6a09b9..18e90dd 100644 ---- a/drivers/firewire/core-transaction.c -+++ b/drivers/firewire/core-transaction.c -@@ -38,6 +38,7 @@ - #include - #include - #include -+#include - - #include - -diff --git a/drivers/firewire/core.h b/drivers/firewire/core.h -index e1480ff6..1a429bd 100644 ---- a/drivers/firewire/core.h -+++ b/drivers/firewire/core.h -@@ -111,6 +111,7 @@ struct fw_card_driver { - - int (*stop_iso)(struct fw_iso_context *ctx); - }; -+typedef struct fw_card_driver __no_const fw_card_driver_no_const; - - void fw_card_initialize(struct fw_card *card, - const struct fw_card_driver *driver, struct device *device); -diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c -index 8bf8926..55a4930 100644 ---- a/drivers/firewire/ohci.c -+++ b/drivers/firewire/ohci.c -@@ -2049,10 +2049,12 @@ static void bus_reset_work(struct work_struct *work) - be32_to_cpu(ohci->next_header)); - } - -+#ifndef CONFIG_GRKERNSEC - if (param_remote_dma) { - reg_write(ohci, OHCI1394_PhyReqFilterHiSet, ~0); - reg_write(ohci, OHCI1394_PhyReqFilterLoSet, ~0); - } -+#endif - - spin_unlock_irq(&ohci->lock); - -@@ -2585,8 +2587,10 @@ static int ohci_enable_phys_dma(struct fw_card *card, - unsigned long flags; - int n, ret = 0; - -+#ifndef CONFIG_GRKERNSEC - if (param_remote_dma) - return 0; -+#endif - - /* - * FIXME: Make sure this bitmask is cleared when we clear the busReset -diff --git a/drivers/firmware/dmi-id.c b/drivers/firmware/dmi-id.c -index 44c0139..5252697 100644 ---- a/drivers/firmware/dmi-id.c -+++ b/drivers/firmware/dmi-id.c -@@ -16,7 +16,7 @@ - struct dmi_device_attribute{ - struct device_attribute dev_attr; - int field; --}; -+} __do_const; - #define to_dmi_dev_attr(_dev_attr) \ - container_of(_dev_attr, struct dmi_device_attribute, dev_attr) - -@@ -159,9 +159,14 @@ static int dmi_dev_uevent(struct device *dev, struct kobj_uevent_env *env) - return 0; - } - -+static void dmi_dev_release(struct device *dev) -+{ -+ kfree(dev); -+} -+ - static struct class dmi_class = { - .name = "dmi", -- .dev_release = (void(*)(struct device *)) kfree, -+ .dev_release = dmi_dev_release, - .dev_uevent = dmi_dev_uevent, - }; - -diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c -index 88bebe1..e599fad 100644 ---- a/drivers/firmware/dmi_scan.c -+++ b/drivers/firmware/dmi_scan.c -@@ -712,14 +712,18 @@ static int __init dmi_init(void) - if (!dmi_table) - goto err_tables; - -- bin_attr_smbios_entry_point.size = smbios_entry_point_size; -- bin_attr_smbios_entry_point.private = smbios_entry_point; -+ pax_open_kernel(); -+ const_cast(bin_attr_smbios_entry_point.size) = smbios_entry_point_size; -+ const_cast(bin_attr_smbios_entry_point.private) = smbios_entry_point; -+ pax_close_kernel(); - ret = sysfs_create_bin_file(tables_kobj, &bin_attr_smbios_entry_point); - if (ret) - goto err_unmap; - -- bin_attr_DMI.size = dmi_len; -- bin_attr_DMI.private = dmi_table; -+ pax_open_kernel(); -+ const_cast(bin_attr_DMI.size) = dmi_len; -+ const_cast(bin_attr_DMI.private) = dmi_table; -+ pax_close_kernel(); - ret = sysfs_create_bin_file(tables_kobj, &bin_attr_DMI); - if (!ret) - return 0; -diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c -index d425374..1da1716 100644 ---- a/drivers/firmware/efi/cper.c -+++ b/drivers/firmware/efi/cper.c -@@ -44,12 +44,12 @@ static char rcd_decode_str[CPER_REC_LEN]; - */ - u64 cper_next_record_id(void) - { -- static atomic64_t seq; -+ static atomic64_unchecked_t seq; - -- if (!atomic64_read(&seq)) -- atomic64_set(&seq, ((u64)get_seconds()) << 32); -+ if (!atomic64_read_unchecked(&seq)) -+ atomic64_set_unchecked(&seq, ((u64)get_seconds()) << 32); - -- return atomic64_inc_return(&seq); -+ return atomic64_inc_return_unchecked(&seq); - } - EXPORT_SYMBOL_GPL(cper_next_record_id); - -diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c -index a4944e2..a5e9cad 100644 ---- a/drivers/firmware/efi/efi.c -+++ b/drivers/firmware/efi/efi.c -@@ -181,15 +181,17 @@ static struct attribute_group efi_subsys_attr_group = { - }; - - static struct efivars generic_efivars; --static struct efivar_operations generic_ops; -+static efivar_operations_no_const generic_ops __read_only; - - static int generic_ops_register(void) - { -- generic_ops.get_variable = efi.get_variable; -- generic_ops.set_variable = efi.set_variable; -- generic_ops.set_variable_nonblocking = efi.set_variable_nonblocking; -- generic_ops.get_next_variable = efi.get_next_variable; -- generic_ops.query_variable_store = efi_query_variable_store; -+ pax_open_kernel(); -+ const_cast(generic_ops.get_variable) = efi.get_variable; -+ const_cast(generic_ops.set_variable) = efi.set_variable; -+ const_cast(generic_ops.set_variable_nonblocking) = efi.set_variable_nonblocking; -+ const_cast(generic_ops.get_next_variable) = efi.get_next_variable; -+ const_cast(generic_ops.query_variable_store) = efi_query_variable_store; -+ pax_close_kernel(); - - return efivars_register(&generic_efivars, &generic_ops, efi_kobj); - } -diff --git a/drivers/firmware/efi/efivars.c b/drivers/firmware/efi/efivars.c -index 3e626fd..1ccae43 100644 ---- a/drivers/firmware/efi/efivars.c -+++ b/drivers/firmware/efi/efivars.c -@@ -587,7 +587,7 @@ efivar_create_sysfs_entry(struct efivar_entry *new_var) - static int - create_efivars_bin_attributes(void) - { -- struct bin_attribute *attr; -+ bin_attribute_no_const *attr; - int error; - - /* new_var */ -diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile -index 5e23e2d..419407a 100644 ---- a/drivers/firmware/efi/libstub/Makefile -+++ b/drivers/firmware/efi/libstub/Makefile -@@ -28,6 +28,8 @@ OBJECT_FILES_NON_STANDARD := y - # Prevents link failures: __sanitizer_cov_trace_pc() is not linked in. - KCOV_INSTRUMENT := n - -+GCC_PLUGINS := n -+ - lib-y := efi-stub-helper.o gop.o - - # include the stub's generic dependencies from lib/ when building for ARM/arm64 -diff --git a/drivers/firmware/efi/runtime-map.c b/drivers/firmware/efi/runtime-map.c -index 8e64b77..bc1695a 100644 ---- a/drivers/firmware/efi/runtime-map.c -+++ b/drivers/firmware/efi/runtime-map.c -@@ -93,7 +93,7 @@ static void map_release(struct kobject *kobj) - kfree(entry); - } - --static struct kobj_type __refdata map_ktype = { -+static const struct kobj_type __refconst map_ktype = { - .sysfs_ops = &map_attr_ops, - .default_attrs = def_attrs, - .release = map_release, -diff --git a/drivers/firmware/google/gsmi.c b/drivers/firmware/google/gsmi.c -index c463871..c8f169b 100644 ---- a/drivers/firmware/google/gsmi.c -+++ b/drivers/firmware/google/gsmi.c -@@ -709,7 +709,7 @@ static u32 __init hash_oem_table_id(char s[8]) - return local_hash_64(input, 32); - } - --static struct dmi_system_id gsmi_dmi_table[] __initdata = { -+static const struct dmi_system_id gsmi_dmi_table[] __initconst = { - { - .ident = "Google Board", - .matches = { -diff --git a/drivers/firmware/google/memconsole.c b/drivers/firmware/google/memconsole.c -index 2f569aa..3af5497 100644 ---- a/drivers/firmware/google/memconsole.c -+++ b/drivers/firmware/google/memconsole.c -@@ -136,7 +136,7 @@ static bool __init found_memconsole(void) - return false; - } - --static struct dmi_system_id memconsole_dmi_table[] __initdata = { -+static const struct dmi_system_id memconsole_dmi_table[] __initconst = { - { - .ident = "Google Board", - .matches = { -@@ -155,7 +155,10 @@ static int __init memconsole_init(void) - if (!found_memconsole()) - return -ENODEV; - -- memconsole_bin_attr.size = memconsole_length; -+ pax_open_kernel(); -+ const_cast(memconsole_bin_attr.size) = memconsole_length; -+ pax_close_kernel(); -+ - return sysfs_create_bin_file(firmware_kobj, &memconsole_bin_attr); - } - -diff --git a/drivers/firmware/memmap.c b/drivers/firmware/memmap.c -index 5de3ed2..d839c56 100644 ---- a/drivers/firmware/memmap.c -+++ b/drivers/firmware/memmap.c -@@ -124,7 +124,7 @@ static void __meminit release_firmware_map_entry(struct kobject *kobj) - kfree(entry); - } - --static struct kobj_type __refdata memmap_ktype = { -+static const struct kobj_type __refconst memmap_ktype = { - .release = release_firmware_map_entry, - .sysfs_ops = &memmap_attr_ops, - .default_attrs = def_attrs, -diff --git a/drivers/firmware/psci.c b/drivers/firmware/psci.c -index 8263429..d0ef61f 100644 ---- a/drivers/firmware/psci.c -+++ b/drivers/firmware/psci.c -@@ -59,7 +59,7 @@ bool psci_tos_resident_on(int cpu) - return cpu == resident_cpu; - } - --struct psci_operations psci_ops; -+struct psci_operations psci_ops __read_only; - - typedef unsigned long (psci_fn)(unsigned long, unsigned long, - unsigned long, unsigned long); -diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c -index dd262f0..2834a84 100644 ---- a/drivers/gpio/gpio-davinci.c -+++ b/drivers/gpio/gpio-davinci.c -@@ -440,9 +440,9 @@ static struct irq_chip *davinci_gpio_get_irq_chip(unsigned int irq) - return &gpio_unbanked.chip; - }; - --static struct irq_chip *keystone_gpio_get_irq_chip(unsigned int irq) -+static irq_chip_no_const *keystone_gpio_get_irq_chip(unsigned int irq) - { -- static struct irq_chip gpio_unbanked; -+ static irq_chip_no_const gpio_unbanked; - - gpio_unbanked = *irq_get_chip(irq); - return &gpio_unbanked; -@@ -472,7 +472,7 @@ static int davinci_gpio_irq_setup(struct platform_device *pdev) - struct davinci_gpio_regs __iomem *g; - struct irq_domain *irq_domain = NULL; - const struct of_device_id *match; -- struct irq_chip *irq_chip; -+ irq_chip_no_const *irq_chip; - gpio_get_irq_chip_cb_t gpio_get_irq_chip; - - /* -diff --git a/drivers/gpio/gpio-em.c b/drivers/gpio/gpio-em.c -index 8d32ccc..2d2ca61 100644 ---- a/drivers/gpio/gpio-em.c -+++ b/drivers/gpio/gpio-em.c -@@ -274,7 +274,7 @@ static int em_gio_probe(struct platform_device *pdev) - struct em_gio_priv *p; - struct resource *io[2], *irq[2]; - struct gpio_chip *gpio_chip; -- struct irq_chip *irq_chip; -+ irq_chip_no_const *irq_chip; - const char *name = dev_name(&pdev->dev); - unsigned int ngpios; - int ret; -diff --git a/drivers/gpio/gpio-ich.c b/drivers/gpio/gpio-ich.c -index 4f6d643..eb4655c 100644 ---- a/drivers/gpio/gpio-ich.c -+++ b/drivers/gpio/gpio-ich.c -@@ -95,7 +95,7 @@ struct ichx_desc { - * this option allows driver caching written output values - */ - bool use_outlvl_cache; --}; -+} __do_const; - - static struct { - spinlock_t lock; -diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c -index 793518a..59c5a05 100644 ---- a/drivers/gpio/gpio-mpc8xxx.c -+++ b/drivers/gpio/gpio-mpc8xxx.c -@@ -21,6 +21,7 @@ - #include - #include - #include -+#include - - #define MPC8XXX_GPIO_PINS 32 - -@@ -226,7 +227,7 @@ static int mpc512x_irq_set_type(struct irq_data *d, unsigned int flow_type) - return 0; - } - --static struct irq_chip mpc8xxx_irq_chip = { -+static irq_chip_no_const mpc8xxx_irq_chip __read_only = { - .name = "mpc8xxx-gpio", - .irq_unmask = mpc8xxx_irq_unmask, - .irq_mask = mpc8xxx_irq_mask, -@@ -337,7 +338,9 @@ static int mpc8xxx_probe(struct platform_device *pdev) - * It's assumed that only a single type of gpio controller is available - * on the current machine, so overwriting global data is fine. - */ -- mpc8xxx_irq_chip.irq_set_type = devtype->irq_set_type; -+ pax_open_kernel(); -+ const_cast(mpc8xxx_irq_chip.irq_set_type) = devtype->irq_set_type; -+ pax_close_kernel(); - - if (devtype->gpio_dir_out) - gc->direction_output = devtype->gpio_dir_out; -diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c -index b98ede7..c83e860 100644 ---- a/drivers/gpio/gpio-omap.c -+++ b/drivers/gpio/gpio-omap.c -@@ -1029,7 +1029,7 @@ static void omap_gpio_mod_init(struct gpio_bank *bank) - writel_relaxed(0, base + bank->regs->ctrl); - } - --static int omap_gpio_chip_init(struct gpio_bank *bank, struct irq_chip *irqc) -+static int omap_gpio_chip_init(struct gpio_bank *bank, irq_chip_no_const *irqc) - { - static int gpio; - int irq_base = 0; -@@ -1119,7 +1119,7 @@ static int omap_gpio_probe(struct platform_device *pdev) - const struct omap_gpio_platform_data *pdata; - struct resource *res; - struct gpio_bank *bank; -- struct irq_chip *irqc; -+ irq_chip_no_const *irqc; - int ret; - - match = of_match_device(of_match_ptr(omap_gpio_match), dev); -diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c -index 2be48f5..594e8fb 100644 ---- a/drivers/gpio/gpio-rcar.c -+++ b/drivers/gpio/gpio-rcar.c -@@ -395,7 +395,7 @@ static int gpio_rcar_probe(struct platform_device *pdev) - struct gpio_rcar_priv *p; - struct resource *io, *irq; - struct gpio_chip *gpio_chip; -- struct irq_chip *irq_chip; -+ irq_chip_no_const *irq_chip; - struct device *dev = &pdev->dev; - const char *name = dev_name(dev); - unsigned int npins; -diff --git a/drivers/gpio/gpio-vr41xx.c b/drivers/gpio/gpio-vr41xx.c -index ac8deb0..f3caa10 100644 ---- a/drivers/gpio/gpio-vr41xx.c -+++ b/drivers/gpio/gpio-vr41xx.c -@@ -224,7 +224,7 @@ static int giu_get_irq(unsigned int irq) - printk(KERN_ERR "spurious GIU interrupt: %04x(%04x),%04x(%04x)\n", - maskl, pendl, maskh, pendh); - -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - - return -EINVAL; - } -diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c -index 9215931..8e92a9e 100644 ---- a/drivers/gpio/gpiolib.c -+++ b/drivers/gpio/gpiolib.c -@@ -1675,8 +1675,10 @@ static void gpiochip_irqchip_remove(struct gpio_chip *gpiochip) - } - - if (gpiochip->irqchip) { -- gpiochip->irqchip->irq_request_resources = NULL; -- gpiochip->irqchip->irq_release_resources = NULL; -+ pax_open_kernel(); -+ const_cast(gpiochip->irqchip->irq_request_resources) = NULL; -+ const_cast(gpiochip->irqchip->irq_release_resources) = NULL; -+ pax_close_kernel(); - gpiochip->irqchip = NULL; - } - -@@ -1770,8 +1772,10 @@ int _gpiochip_irqchip_add(struct gpio_chip *gpiochip, - */ - if (!irqchip->irq_request_resources && - !irqchip->irq_release_resources) { -- irqchip->irq_request_resources = gpiochip_irq_reqres; -- irqchip->irq_release_resources = gpiochip_irq_relres; -+ pax_open_kernel(); -+ const_cast(irqchip->irq_request_resources) = gpiochip_irq_reqres; -+ const_cast(irqchip->irq_release_resources) = gpiochip_irq_relres; -+ pax_close_kernel(); - } - - /* -diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h -index 05c2850..1e71fbc 100644 ---- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h -+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h -@@ -1790,7 +1790,7 @@ int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev); - * amdgpu smumgr functions - */ - struct amdgpu_smumgr_funcs { -- int (*check_fw_load_finish)(struct amdgpu_device *adev, uint32_t fwtype); -+ int (*check_fw_load_finish)(struct amdgpu_device *adev, enum AMDGPU_UCODE_ID fwtype); - int (*request_smu_load_fw)(struct amdgpu_device *adev); - int (*request_smu_specific_fw)(struct amdgpu_device *adev, uint32_t fwtype); - }; -diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c -index 6c343a9..540aba5 100644 ---- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c -+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c -@@ -533,7 +533,7 @@ static int amdgpu_atpx_init(void) - * look up whether we are the integrated or discrete GPU (all asics). - * Returns the client id. - */ --static int amdgpu_atpx_get_client_id(struct pci_dev *pdev) -+static enum vga_switcheroo_client_id amdgpu_atpx_get_client_id(struct pci_dev *pdev) - { - if (amdgpu_atpx_priv.dhandle == ACPI_HANDLE(&pdev->dev)) - return VGA_SWITCHEROO_IGD; -diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c -index 6629762..f14b4fd 100644 ---- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c -+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c -@@ -1175,50 +1175,50 @@ static int amdgpu_cgs_call_acpi_method(struct cgs_device *cgs_device, - } - - static const struct cgs_ops amdgpu_cgs_ops = { -- amdgpu_cgs_gpu_mem_info, -- amdgpu_cgs_gmap_kmem, -- amdgpu_cgs_gunmap_kmem, -- amdgpu_cgs_alloc_gpu_mem, -- amdgpu_cgs_free_gpu_mem, -- amdgpu_cgs_gmap_gpu_mem, -- amdgpu_cgs_gunmap_gpu_mem, -- amdgpu_cgs_kmap_gpu_mem, -- amdgpu_cgs_kunmap_gpu_mem, -- amdgpu_cgs_read_register, -- amdgpu_cgs_write_register, -- amdgpu_cgs_read_ind_register, -- amdgpu_cgs_write_ind_register, -- amdgpu_cgs_read_pci_config_byte, -- amdgpu_cgs_read_pci_config_word, -- amdgpu_cgs_read_pci_config_dword, -- amdgpu_cgs_write_pci_config_byte, -- amdgpu_cgs_write_pci_config_word, -- amdgpu_cgs_write_pci_config_dword, -- amdgpu_cgs_get_pci_resource, -- amdgpu_cgs_atom_get_data_table, -- amdgpu_cgs_atom_get_cmd_table_revs, -- amdgpu_cgs_atom_exec_cmd_table, -- amdgpu_cgs_create_pm_request, -- amdgpu_cgs_destroy_pm_request, -- amdgpu_cgs_set_pm_request, -- amdgpu_cgs_pm_request_clock, -- amdgpu_cgs_pm_request_engine, -- amdgpu_cgs_pm_query_clock_limits, -- amdgpu_cgs_set_camera_voltages, -- amdgpu_cgs_get_firmware_info, -- amdgpu_cgs_rel_firmware, -- amdgpu_cgs_set_powergating_state, -- amdgpu_cgs_set_clockgating_state, -- amdgpu_cgs_get_active_displays_info, -- amdgpu_cgs_notify_dpm_enabled, -- amdgpu_cgs_call_acpi_method, -- amdgpu_cgs_query_system_info, -+ .gpu_mem_info = amdgpu_cgs_gpu_mem_info, -+ .gmap_kmem = amdgpu_cgs_gmap_kmem, -+ .gunmap_kmem = amdgpu_cgs_gunmap_kmem, -+ .alloc_gpu_mem = amdgpu_cgs_alloc_gpu_mem, -+ .free_gpu_mem = amdgpu_cgs_free_gpu_mem, -+ .gmap_gpu_mem = amdgpu_cgs_gmap_gpu_mem, -+ .gunmap_gpu_mem = amdgpu_cgs_gunmap_gpu_mem, -+ .kmap_gpu_mem = amdgpu_cgs_kmap_gpu_mem, -+ .kunmap_gpu_mem = amdgpu_cgs_kunmap_gpu_mem, -+ .read_register = amdgpu_cgs_read_register, -+ .write_register = amdgpu_cgs_write_register, -+ .read_ind_register = amdgpu_cgs_read_ind_register, -+ .write_ind_register = amdgpu_cgs_write_ind_register, -+ .read_pci_config_byte = amdgpu_cgs_read_pci_config_byte, -+ .read_pci_config_word = amdgpu_cgs_read_pci_config_word, -+ .read_pci_config_dword = amdgpu_cgs_read_pci_config_dword, -+ .write_pci_config_byte = amdgpu_cgs_write_pci_config_byte, -+ .write_pci_config_word = amdgpu_cgs_write_pci_config_word, -+ .write_pci_config_dword = amdgpu_cgs_write_pci_config_dword, -+ .get_pci_resource = amdgpu_cgs_get_pci_resource, -+ .atom_get_data_table = amdgpu_cgs_atom_get_data_table, -+ .atom_get_cmd_table_revs = amdgpu_cgs_atom_get_cmd_table_revs, -+ .atom_exec_cmd_table = amdgpu_cgs_atom_exec_cmd_table, -+ .create_pm_request = amdgpu_cgs_create_pm_request, -+ .destroy_pm_request = amdgpu_cgs_destroy_pm_request, -+ .set_pm_request = amdgpu_cgs_set_pm_request, -+ .pm_request_clock = amdgpu_cgs_pm_request_clock, -+ .pm_request_engine = amdgpu_cgs_pm_request_engine, -+ .pm_query_clock_limits = amdgpu_cgs_pm_query_clock_limits, -+ .set_camera_voltages = amdgpu_cgs_set_camera_voltages, -+ .get_firmware_info = amdgpu_cgs_get_firmware_info, -+ .rel_firmware = amdgpu_cgs_rel_firmware, -+ .set_powergating_state = amdgpu_cgs_set_powergating_state, -+ .set_clockgating_state = amdgpu_cgs_set_clockgating_state, -+ .get_active_displays_info = amdgpu_cgs_get_active_displays_info, -+ .notify_dpm_enabled = amdgpu_cgs_notify_dpm_enabled, -+ .call_acpi_method = amdgpu_cgs_call_acpi_method, -+ .query_system_info = amdgpu_cgs_query_system_info - }; - - static const struct cgs_os_ops amdgpu_cgs_os_ops = { -- amdgpu_cgs_add_irq_source, -- amdgpu_cgs_irq_get, -- amdgpu_cgs_irq_put -+ .add_irq_source = amdgpu_cgs_add_irq_source, -+ .irq_get = amdgpu_cgs_irq_get, -+ .irq_put = amdgpu_cgs_irq_put - }; - - struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev) -diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c -index 086aa5c..b347e02 100644 ---- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c -+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c -@@ -701,7 +701,7 @@ static int amdgpu_connector_lvds_get_modes(struct drm_connector *connector) - return ret; - } - --static int amdgpu_connector_lvds_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status amdgpu_connector_lvds_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct drm_encoder *encoder = amdgpu_connector_best_single_encoder(connector); -@@ -847,7 +847,7 @@ static int amdgpu_connector_vga_get_modes(struct drm_connector *connector) - return ret; - } - --static int amdgpu_connector_vga_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status amdgpu_connector_vga_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct drm_device *dev = connector->dev; -@@ -1168,7 +1168,7 @@ static void amdgpu_connector_dvi_force(struct drm_connector *connector) - amdgpu_connector->use_digital = true; - } - --static int amdgpu_connector_dvi_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status amdgpu_connector_dvi_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct drm_device *dev = connector->dev; -@@ -1438,7 +1438,7 @@ amdgpu_connector_dp_detect(struct drm_connector *connector, bool force) - return ret; - } - --static int amdgpu_connector_dp_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status amdgpu_connector_dp_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); -@@ -1552,7 +1552,7 @@ static int amdgpu_connector_virtual_get_modes(struct drm_connector *connector) - return 0; - } - --static int amdgpu_connector_virtual_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status amdgpu_connector_virtual_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - return MODE_OK; -diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c -index e41d4ba..68c48ce 100644 ---- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c -+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c -@@ -1096,7 +1096,7 @@ static bool amdgpu_switcheroo_can_switch(struct pci_dev *pdev) - * locking inversion with the driver load path. And the access here is - * completely racy anyway. So don't bother with locking for now. - */ -- return dev->open_count == 0; -+ return local_read(&dev->open_count) == 0; - } - - static const struct vga_switcheroo_client_ops amdgpu_switcheroo_ops = { -diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c -index e0890de..bfa2932 100644 ---- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c -+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c -@@ -722,9 +722,6 @@ static struct drm_driver kms_driver = { - .patchlevel = KMS_DRIVER_PATCHLEVEL, - }; - --static struct drm_driver *driver; --static struct pci_driver *pdriver; -- - static struct pci_driver amdgpu_kms_pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, -@@ -757,12 +754,14 @@ static int __init amdgpu_init(void) - return -EINVAL; - } - DRM_INFO("amdgpu kernel modesetting enabled.\n"); -- driver = &kms_driver; -- pdriver = &amdgpu_kms_pci_driver; -- driver->num_ioctls = amdgpu_max_kms_ioctl; -+ -+ pax_open_kernel(); -+ const_cast(kms_driver.num_ioctls) = amdgpu_max_kms_ioctl; -+ pax_close_kernel(); -+ - amdgpu_register_atpx_handler(); - /* let modprobe override vga console setting */ -- return drm_pci_init(driver, pdriver); -+ return drm_pci_init(&kms_driver, &amdgpu_kms_pci_driver); - - error_sched: - amdgpu_fence_slab_fini(); -@@ -777,7 +776,7 @@ static int __init amdgpu_init(void) - static void __exit amdgpu_exit(void) - { - amdgpu_amdkfd_fini(); -- drm_pci_exit(driver, pdriver); -+ drm_pci_exit(&kms_driver, &amdgpu_kms_pci_driver); - amdgpu_unregister_atpx_handler(); - amdgpu_sync_fini(); - amd_sched_fence_slab_fini(); -diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h -index 51321e1..3c80c0b 100644 ---- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h -+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h -@@ -27,6 +27,6 @@ - int amdgpu_gfx_scratch_get(struct amdgpu_device *adev, uint32_t *reg); - void amdgpu_gfx_scratch_free(struct amdgpu_device *adev, uint32_t reg); - --unsigned amdgpu_gfx_parse_disable_cu(unsigned *mask, unsigned max_se, unsigned max_sh); -+void amdgpu_gfx_parse_disable_cu(unsigned *mask, unsigned max_se, unsigned max_sh); - - #endif -diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c -index f86c844..7fe4fde9 100644 ---- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c -+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c -@@ -231,9 +231,9 @@ static void amdgpu_gtt_mgr_debug(struct ttm_mem_type_manager *man, - } - - const struct ttm_mem_type_manager_func amdgpu_gtt_mgr_func = { -- amdgpu_gtt_mgr_init, -- amdgpu_gtt_mgr_fini, -- amdgpu_gtt_mgr_new, -- amdgpu_gtt_mgr_del, -- amdgpu_gtt_mgr_debug -+ .init = amdgpu_gtt_mgr_init, -+ .takedown = amdgpu_gtt_mgr_fini, -+ .get_node = amdgpu_gtt_mgr_new, -+ .put_node = amdgpu_gtt_mgr_del, -+ .debug = amdgpu_gtt_mgr_debug - }; -diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h -index 8255034..43965e8 100644 ---- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h -+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h -@@ -31,7 +31,7 @@ - #include - #include "amdgpu.h" - --#define AMDGPU_BO_INVALID_OFFSET LONG_MAX -+#define AMDGPU_BO_INVALID_OFFSET (LONG_MAX >> PAGE_SHIFT) - - /** - * amdgpu_mem_type_to_domain - return domain corresponding to mem_type -diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c -index 968c426..aceb28c 100644 ---- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c -+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c -@@ -205,7 +205,7 @@ int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring, - unsigned i; - int r = 0; - -- fences = kmalloc_array(sizeof(void *), adev->vm_manager.num_ids, -+ fences = kmalloc_array(adev->vm_manager.num_ids, sizeof(void *), - GFP_KERNEL); - if (!fences) - return -ENOMEM; -diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c -index ee3e04e..65f7436 100644 ---- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c -+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c -@@ -418,7 +418,7 @@ static int kfd_ioctl_set_memory_policy(struct file *filep, - (args->alternate_policy == KFD_IOC_CACHE_POLICY_COHERENT) - ? cache_policy_coherent : cache_policy_noncoherent; - -- if (!dev->dqm->ops.set_cache_memory_policy(dev->dqm, -+ if (!dev->dqm->ops->set_cache_memory_policy(dev->dqm, - &pdd->qpd, - default_policy, - alternate_policy, -diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c -index 3f95f7c..0a62dad 100644 ---- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c -+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c -@@ -298,7 +298,7 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd, - goto device_queue_manager_error; - } - -- if (kfd->dqm->ops.start(kfd->dqm) != 0) { -+ if (kfd->dqm->ops->start(kfd->dqm) != 0) { - dev_err(kfd_device, - "Error starting queuen manager for device (%x:%x)\n", - kfd->pdev->vendor, kfd->pdev->device); -@@ -354,7 +354,7 @@ void kgd2kfd_suspend(struct kfd_dev *kfd) - BUG_ON(kfd == NULL); - - if (kfd->init_complete) { -- kfd->dqm->ops.stop(kfd->dqm); -+ kfd->dqm->ops->stop(kfd->dqm); - amd_iommu_set_invalidate_ctx_cb(kfd->pdev, NULL); - amd_iommu_set_invalid_ppr_cb(kfd->pdev, NULL); - amd_iommu_free_device(kfd->pdev); -@@ -377,7 +377,7 @@ int kgd2kfd_resume(struct kfd_dev *kfd) - amd_iommu_set_invalidate_ctx_cb(kfd->pdev, - iommu_pasid_shutdown_callback); - amd_iommu_set_invalid_ppr_cb(kfd->pdev, iommu_invalid_ppr_cb); -- kfd->dqm->ops.start(kfd->dqm); -+ kfd->dqm->ops->start(kfd->dqm); - } - - return 0; -diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c -index f49c551..ad74c7e 100644 ---- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c -+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c -@@ -242,7 +242,7 @@ static int create_compute_queue_nocpsch(struct device_queue_manager *dqm, - - BUG_ON(!dqm || !q || !qpd); - -- mqd = dqm->ops.get_mqd_manager(dqm, KFD_MQD_TYPE_COMPUTE); -+ mqd = dqm->ops->get_mqd_manager(dqm, KFD_MQD_TYPE_COMPUTE); - if (mqd == NULL) - return -ENOMEM; - -@@ -288,14 +288,14 @@ static int destroy_queue_nocpsch(struct device_queue_manager *dqm, - mutex_lock(&dqm->lock); - - if (q->properties.type == KFD_QUEUE_TYPE_COMPUTE) { -- mqd = dqm->ops.get_mqd_manager(dqm, KFD_MQD_TYPE_COMPUTE); -+ mqd = dqm->ops->get_mqd_manager(dqm, KFD_MQD_TYPE_COMPUTE); - if (mqd == NULL) { - retval = -ENOMEM; - goto out; - } - deallocate_hqd(dqm, q); - } else if (q->properties.type == KFD_QUEUE_TYPE_SDMA) { -- mqd = dqm->ops.get_mqd_manager(dqm, KFD_MQD_TYPE_SDMA); -+ mqd = dqm->ops->get_mqd_manager(dqm, KFD_MQD_TYPE_SDMA); - if (mqd == NULL) { - retval = -ENOMEM; - goto out; -@@ -347,7 +347,7 @@ static int update_queue(struct device_queue_manager *dqm, struct queue *q) - BUG_ON(!dqm || !q || !q->mqd); - - mutex_lock(&dqm->lock); -- mqd = dqm->ops.get_mqd_manager(dqm, -+ mqd = dqm->ops->get_mqd_manager(dqm, - get_mqd_type_from_queue_type(q->properties.type)); - if (mqd == NULL) { - mutex_unlock(&dqm->lock); -@@ -414,7 +414,7 @@ static int register_process_nocpsch(struct device_queue_manager *dqm, - mutex_lock(&dqm->lock); - list_add(&n->list, &dqm->queues); - -- retval = dqm->ops_asic_specific.register_process(dqm, qpd); -+ retval = dqm->ops_asic_specific->register_process(dqm, qpd); - - dqm->processes_count++; - -@@ -502,7 +502,7 @@ int init_pipelines(struct device_queue_manager *dqm, - - memset(hpdptr, 0, CIK_HPD_EOP_BYTES * pipes_num); - -- mqd = dqm->ops.get_mqd_manager(dqm, KFD_MQD_TYPE_COMPUTE); -+ mqd = dqm->ops->get_mqd_manager(dqm, KFD_MQD_TYPE_COMPUTE); - if (mqd == NULL) { - kfd_gtt_sa_free(dqm->dev, dqm->pipeline_mem); - return -ENOMEM; -@@ -635,7 +635,7 @@ static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm, - struct mqd_manager *mqd; - int retval; - -- mqd = dqm->ops.get_mqd_manager(dqm, KFD_MQD_TYPE_SDMA); -+ mqd = dqm->ops->get_mqd_manager(dqm, KFD_MQD_TYPE_SDMA); - if (!mqd) - return -ENOMEM; - -@@ -650,7 +650,7 @@ static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm, - pr_debug(" sdma queue id: %d\n", q->properties.sdma_queue_id); - pr_debug(" sdma engine id: %d\n", q->properties.sdma_engine_id); - -- dqm->ops_asic_specific.init_sdma_vm(dqm, q, qpd); -+ dqm->ops_asic_specific->init_sdma_vm(dqm, q, qpd); - retval = mqd->init_mqd(mqd, &q->mqd, &q->mqd_mem_obj, - &q->gart_mqd_addr, &q->properties); - if (retval != 0) { -@@ -712,7 +712,7 @@ static int initialize_cpsch(struct device_queue_manager *dqm) - dqm->queue_count = dqm->processes_count = 0; - dqm->sdma_queue_count = 0; - dqm->active_runlist = false; -- retval = dqm->ops_asic_specific.initialize(dqm); -+ retval = dqm->ops_asic_specific->initialize(dqm); - if (retval != 0) - goto fail_init_pipelines; - -@@ -879,7 +879,7 @@ static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q, - if (q->properties.type == KFD_QUEUE_TYPE_SDMA) - select_sdma_engine_id(q); - -- mqd = dqm->ops.get_mqd_manager(dqm, -+ mqd = dqm->ops->get_mqd_manager(dqm, - get_mqd_type_from_queue_type(q->properties.type)); - - if (mqd == NULL) { -@@ -887,7 +887,7 @@ static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q, - return -ENOMEM; - } - -- dqm->ops_asic_specific.init_sdma_vm(dqm, q, qpd); -+ dqm->ops_asic_specific->init_sdma_vm(dqm, q, qpd); - retval = mqd->init_mqd(mqd, &q->mqd, &q->mqd_mem_obj, - &q->gart_mqd_addr, &q->properties); - if (retval != 0) -@@ -1060,7 +1060,7 @@ static int destroy_queue_cpsch(struct device_queue_manager *dqm, - - } - -- mqd = dqm->ops.get_mqd_manager(dqm, -+ mqd = dqm->ops->get_mqd_manager(dqm, - get_mqd_type_from_queue_type(q->properties.type)); - if (!mqd) { - retval = -ENOMEM; -@@ -1149,7 +1149,7 @@ static bool set_cache_memory_policy(struct device_queue_manager *dqm, - qpd->sh_mem_ape1_limit = limit >> 16; - } - -- retval = dqm->ops_asic_specific.set_cache_memory_policy( -+ retval = dqm->ops_asic_specific->set_cache_memory_policy( - dqm, - qpd, - default_policy, -@@ -1172,6 +1172,36 @@ static bool set_cache_memory_policy(struct device_queue_manager *dqm, - return false; - } - -+static const struct device_queue_manager_ops cp_dqm_ops = { -+ .create_queue = create_queue_cpsch, -+ .initialize = initialize_cpsch, -+ .start = start_cpsch, -+ .stop = stop_cpsch, -+ .destroy_queue = destroy_queue_cpsch, -+ .update_queue = update_queue, -+ .get_mqd_manager = get_mqd_manager_nocpsch, -+ .register_process = register_process_nocpsch, -+ .unregister_process = unregister_process_nocpsch, -+ .uninitialize = uninitialize_nocpsch, -+ .create_kernel_queue = create_kernel_queue_cpsch, -+ .destroy_kernel_queue = destroy_kernel_queue_cpsch, -+ .set_cache_memory_policy = set_cache_memory_policy, -+}; -+ -+static const struct device_queue_manager_ops no_cp_dqm_ops = { -+ .start = start_nocpsch, -+ .stop = stop_nocpsch, -+ .create_queue = create_queue_nocpsch, -+ .destroy_queue = destroy_queue_nocpsch, -+ .update_queue = update_queue, -+ .get_mqd_manager = get_mqd_manager_nocpsch, -+ .register_process = register_process_nocpsch, -+ .unregister_process = unregister_process_nocpsch, -+ .initialize = initialize_nocpsch, -+ .uninitialize = uninitialize_nocpsch, -+ .set_cache_memory_policy = set_cache_memory_policy, -+}; -+ - struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev) - { - struct device_queue_manager *dqm; -@@ -1189,33 +1219,11 @@ struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev) - case KFD_SCHED_POLICY_HWS: - case KFD_SCHED_POLICY_HWS_NO_OVERSUBSCRIPTION: - /* initialize dqm for cp scheduling */ -- dqm->ops.create_queue = create_queue_cpsch; -- dqm->ops.initialize = initialize_cpsch; -- dqm->ops.start = start_cpsch; -- dqm->ops.stop = stop_cpsch; -- dqm->ops.destroy_queue = destroy_queue_cpsch; -- dqm->ops.update_queue = update_queue; -- dqm->ops.get_mqd_manager = get_mqd_manager_nocpsch; -- dqm->ops.register_process = register_process_nocpsch; -- dqm->ops.unregister_process = unregister_process_nocpsch; -- dqm->ops.uninitialize = uninitialize_nocpsch; -- dqm->ops.create_kernel_queue = create_kernel_queue_cpsch; -- dqm->ops.destroy_kernel_queue = destroy_kernel_queue_cpsch; -- dqm->ops.set_cache_memory_policy = set_cache_memory_policy; -+ dqm->ops = &cp_dqm_ops; - break; - case KFD_SCHED_POLICY_NO_HWS: - /* initialize dqm for no cp scheduling */ -- dqm->ops.start = start_nocpsch; -- dqm->ops.stop = stop_nocpsch; -- dqm->ops.create_queue = create_queue_nocpsch; -- dqm->ops.destroy_queue = destroy_queue_nocpsch; -- dqm->ops.update_queue = update_queue; -- dqm->ops.get_mqd_manager = get_mqd_manager_nocpsch; -- dqm->ops.register_process = register_process_nocpsch; -- dqm->ops.unregister_process = unregister_process_nocpsch; -- dqm->ops.initialize = initialize_nocpsch; -- dqm->ops.uninitialize = uninitialize_nocpsch; -- dqm->ops.set_cache_memory_policy = set_cache_memory_policy; -+ dqm->ops = &no_cp_dqm_ops; - break; - default: - BUG(); -@@ -1224,15 +1232,15 @@ struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev) - - switch (dev->device_info->asic_family) { - case CHIP_CARRIZO: -- device_queue_manager_init_vi(&dqm->ops_asic_specific); -+ device_queue_manager_init_vi(dqm); - break; - - case CHIP_KAVERI: -- device_queue_manager_init_cik(&dqm->ops_asic_specific); -+ device_queue_manager_init_cik(dqm); - break; - } - -- if (dqm->ops.initialize(dqm) != 0) { -+ if (dqm->ops->initialize(dqm) != 0) { - kfree(dqm); - return NULL; - } -@@ -1244,6 +1252,6 @@ void device_queue_manager_uninit(struct device_queue_manager *dqm) - { - BUG_ON(!dqm); - -- dqm->ops.uninitialize(dqm); -+ dqm->ops->uninitialize(dqm); - kfree(dqm); - } -diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h -index a625b91..411e7d1 100644 ---- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h -+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h -@@ -154,8 +154,8 @@ struct device_queue_manager_asic_ops { - */ - - struct device_queue_manager { -- struct device_queue_manager_ops ops; -- struct device_queue_manager_asic_ops ops_asic_specific; -+ const struct device_queue_manager_ops *ops; -+ const struct device_queue_manager_asic_ops *ops_asic_specific; - - struct mqd_manager *mqds[KFD_MQD_TYPE_MAX]; - struct packet_manager packets; -@@ -178,8 +178,8 @@ struct device_queue_manager { - bool active_runlist; - }; - --void device_queue_manager_init_cik(struct device_queue_manager_asic_ops *ops); --void device_queue_manager_init_vi(struct device_queue_manager_asic_ops *ops); -+void device_queue_manager_init_cik(struct device_queue_manager *dqm); -+void device_queue_manager_init_vi(struct device_queue_manager *dqm); - void program_sh_mem_settings(struct device_queue_manager *dqm, - struct qcm_process_device *qpd); - int init_pipelines(struct device_queue_manager *dqm, -diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_cik.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_cik.c -index c6f435a..34fb247 100644 ---- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_cik.c -+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_cik.c -@@ -37,12 +37,16 @@ static int initialize_cpsch_cik(struct device_queue_manager *dqm); - static void init_sdma_vm(struct device_queue_manager *dqm, struct queue *q, - struct qcm_process_device *qpd); - --void device_queue_manager_init_cik(struct device_queue_manager_asic_ops *ops) -+static const struct device_queue_manager_asic_ops cik_dqm_asic_ops = { -+ .set_cache_memory_policy = set_cache_memory_policy_cik, -+ .register_process = register_process_cik, -+ .initialize = initialize_cpsch_cik, -+ .init_sdma_vm = init_sdma_vm, -+}; -+ -+void device_queue_manager_init_cik(struct device_queue_manager *dqm) - { -- ops->set_cache_memory_policy = set_cache_memory_policy_cik; -- ops->register_process = register_process_cik; -- ops->initialize = initialize_cpsch_cik; -- ops->init_sdma_vm = init_sdma_vm; -+ dqm->ops_asic_specific = &cik_dqm_asic_ops; - } - - static uint32_t compute_sh_mem_bases_64bit(unsigned int top_address_nybble) -diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_vi.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_vi.c -index 7e9cae9..fbe7ba5 100644 ---- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_vi.c -+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_vi.c -@@ -39,12 +39,16 @@ static int initialize_cpsch_vi(struct device_queue_manager *dqm); - static void init_sdma_vm(struct device_queue_manager *dqm, struct queue *q, - struct qcm_process_device *qpd); - --void device_queue_manager_init_vi(struct device_queue_manager_asic_ops *ops) -+static const struct device_queue_manager_asic_ops vi_dqm_asic_ops = { -+ .set_cache_memory_policy = set_cache_memory_policy_vi, -+ .register_process = register_process_vi, -+ .initialize = initialize_cpsch_vi, -+ .init_sdma_vm = init_sdma_vm, -+}; -+ -+void device_queue_manager_init_vi(struct device_queue_manager *dqm) - { -- ops->set_cache_memory_policy = set_cache_memory_policy_vi; -- ops->register_process = register_process_vi; -- ops->initialize = initialize_cpsch_vi; -- ops->init_sdma_vm = init_sdma_vm; -+ dqm->ops_asic_specific = &vi_dqm_asic_ops; - } - - static uint32_t compute_sh_mem_bases_64bit(unsigned int top_address_nybble) -diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c b/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c -index 7f134aa..cd34d4a 100644 ---- a/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c -+++ b/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c -@@ -50,8 +50,8 @@ static void interrupt_wq(struct work_struct *); - - int kfd_interrupt_init(struct kfd_dev *kfd) - { -- void *interrupt_ring = kmalloc_array(KFD_INTERRUPT_RING_SIZE, -- kfd->device_info->ih_ring_entry_size, -+ void *interrupt_ring = kmalloc_array(kfd->device_info->ih_ring_entry_size, -+ KFD_INTERRUPT_RING_SIZE, - GFP_KERNEL); - if (!interrupt_ring) - return -ENOMEM; -diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c -index d135cd0..1a75f84 100644 ---- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c -+++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c -@@ -59,7 +59,7 @@ static bool initialize(struct kernel_queue *kq, struct kfd_dev *dev, - switch (type) { - case KFD_QUEUE_TYPE_DIQ: - case KFD_QUEUE_TYPE_HIQ: -- kq->mqd = dev->dqm->ops.get_mqd_manager(dev->dqm, -+ kq->mqd = dev->dqm->ops->get_mqd_manager(dev->dqm, - KFD_MQD_TYPE_HIQ); - break; - default: -diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h -index 5940531..a75b0e5 100644 ---- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h -+++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h -@@ -62,7 +62,7 @@ struct kernel_queue_ops { - - void (*submit_packet)(struct kernel_queue *kq); - void (*rollback_packet)(struct kernel_queue *kq); --}; -+} __no_const; - - struct kernel_queue { - struct kernel_queue_ops ops; -diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c -index e1fb40b..44ce883 100644 ---- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c -+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c -@@ -194,7 +194,7 @@ int pqm_create_queue(struct process_queue_manager *pqm, - - if (list_empty(&pqm->queues)) { - pdd->qpd.pqm = pqm; -- dev->dqm->ops.register_process(dev->dqm, &pdd->qpd); -+ dev->dqm->ops->register_process(dev->dqm, &pdd->qpd); - } - - pqn = kzalloc(sizeof(struct process_queue_node), GFP_KERNEL); -@@ -220,7 +220,7 @@ int pqm_create_queue(struct process_queue_manager *pqm, - goto err_create_queue; - pqn->q = q; - pqn->kq = NULL; -- retval = dev->dqm->ops.create_queue(dev->dqm, q, &pdd->qpd, -+ retval = dev->dqm->ops->create_queue(dev->dqm, q, &pdd->qpd, - &q->properties.vmid); - pr_debug("DQM returned %d for create_queue\n", retval); - print_queue(q); -@@ -234,7 +234,7 @@ int pqm_create_queue(struct process_queue_manager *pqm, - kq->queue->properties.queue_id = *qid; - pqn->kq = kq; - pqn->q = NULL; -- retval = dev->dqm->ops.create_kernel_queue(dev->dqm, -+ retval = dev->dqm->ops->create_kernel_queue(dev->dqm, - kq, &pdd->qpd); - break; - default: -@@ -265,7 +265,7 @@ int pqm_create_queue(struct process_queue_manager *pqm, - /* check if queues list is empty unregister process from device */ - clear_bit(*qid, pqm->queue_slot_bitmap); - if (list_empty(&pqm->queues)) -- dev->dqm->ops.unregister_process(dev->dqm, &pdd->qpd); -+ dev->dqm->ops->unregister_process(dev->dqm, &pdd->qpd); - return retval; - } - -@@ -306,13 +306,13 @@ int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid) - if (pqn->kq) { - /* destroy kernel queue (DIQ) */ - dqm = pqn->kq->dev->dqm; -- dqm->ops.destroy_kernel_queue(dqm, pqn->kq, &pdd->qpd); -+ dqm->ops->destroy_kernel_queue(dqm, pqn->kq, &pdd->qpd); - kernel_queue_uninit(pqn->kq); - } - - if (pqn->q) { - dqm = pqn->q->device->dqm; -- retval = dqm->ops.destroy_queue(dqm, &pdd->qpd, pqn->q); -+ retval = dqm->ops->destroy_queue(dqm, &pdd->qpd, pqn->q); - if (retval != 0) - return retval; - -@@ -324,7 +324,7 @@ int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid) - clear_bit(qid, pqm->queue_slot_bitmap); - - if (list_empty(&pqm->queues)) -- dqm->ops.unregister_process(dqm, &pdd->qpd); -+ dqm->ops->unregister_process(dqm, &pdd->qpd); - - return retval; - } -@@ -349,7 +349,7 @@ int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, - pqn->q->properties.queue_percent = p->queue_percent; - pqn->q->properties.priority = p->priority; - -- retval = pqn->q->device->dqm->ops.update_queue(pqn->q->device->dqm, -+ retval = pqn->q->device->dqm->ops->update_queue(pqn->q->device->dqm, - pqn->q); - if (retval != 0) - return retval; -diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c -index 2028980..484984b 100644 ---- a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c -+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c -@@ -240,10 +240,16 @@ int cz_dpm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate) - - static const struct phm_master_table_item cz_enable_clock_power_gatings_list[] = { - /*we don't need an exit table here, because there is only D3 cold on Kv*/ -- { phm_cf_want_uvd_power_gating, cz_tf_uvd_power_gating_initialize }, -- { phm_cf_want_vce_power_gating, cz_tf_vce_power_gating_initialize }, -+ { -+ .isFunctionNeededInRuntimeTable = phm_cf_want_uvd_power_gating, -+ .tableFunction = cz_tf_uvd_power_gating_initialize -+ }, -+ { -+ .isFunctionNeededInRuntimeTable = phm_cf_want_vce_power_gating, -+ .tableFunction = cz_tf_vce_power_gating_initialize -+ }, - /* to do { NULL, cz_tf_xdma_power_gating_enable }, */ -- { NULL, NULL } -+ { } - }; - - const struct phm_master_table_header cz_phm_enable_clock_power_gatings_master = { -diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c -index 9604249..751e84f 100644 ---- a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c -+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c -@@ -888,13 +888,13 @@ static int cz_tf_update_low_mem_pstate(struct pp_hwmgr *hwmgr, - } - - static const struct phm_master_table_item cz_set_power_state_list[] = { -- {NULL, cz_tf_update_sclk_limit}, -- {NULL, cz_tf_set_deep_sleep_sclk_threshold}, -- {NULL, cz_tf_set_watermark_threshold}, -- {NULL, cz_tf_set_enabled_levels}, -- {NULL, cz_tf_enable_nb_dpm}, -- {NULL, cz_tf_update_low_mem_pstate}, -- {NULL, NULL} -+ { .tableFunction = cz_tf_update_sclk_limit }, -+ { .tableFunction = cz_tf_set_deep_sleep_sclk_threshold }, -+ { .tableFunction = cz_tf_set_watermark_threshold }, -+ { .tableFunction = cz_tf_set_enabled_levels }, -+ { .tableFunction = cz_tf_enable_nb_dpm }, -+ { .tableFunction = cz_tf_update_low_mem_pstate }, -+ { } - }; - - static const struct phm_master_table_header cz_set_power_state_master = { -@@ -904,15 +904,15 @@ static const struct phm_master_table_header cz_set_power_state_master = { - }; - - static const struct phm_master_table_item cz_setup_asic_list[] = { -- {NULL, cz_tf_reset_active_process_mask}, -- {NULL, cz_tf_upload_pptable_to_smu}, -- {NULL, cz_tf_init_sclk_limit}, -- {NULL, cz_tf_init_uvd_limit}, -- {NULL, cz_tf_init_vce_limit}, -- {NULL, cz_tf_init_acp_limit}, -- {NULL, cz_tf_init_power_gate_state}, -- {NULL, cz_tf_init_sclk_threshold}, -- {NULL, NULL} -+ { .tableFunction = cz_tf_reset_active_process_mask }, -+ { .tableFunction = cz_tf_upload_pptable_to_smu }, -+ { .tableFunction = cz_tf_init_sclk_limit }, -+ { .tableFunction = cz_tf_init_uvd_limit }, -+ { .tableFunction = cz_tf_init_vce_limit }, -+ { .tableFunction = cz_tf_init_acp_limit }, -+ { .tableFunction = cz_tf_init_power_gate_state }, -+ { .tableFunction = cz_tf_init_sclk_threshold }, -+ { } - }; - - static const struct phm_master_table_header cz_setup_asic_master = { -@@ -957,10 +957,10 @@ static int cz_tf_reset_cc6_data(struct pp_hwmgr *hwmgr, - } - - static const struct phm_master_table_item cz_power_down_asic_list[] = { -- {NULL, cz_tf_power_up_display_clock_sys_pll}, -- {NULL, cz_tf_clear_nb_dpm_flag}, -- {NULL, cz_tf_reset_cc6_data}, -- {NULL, NULL} -+ { .tableFunction = cz_tf_power_up_display_clock_sys_pll }, -+ { .tableFunction = cz_tf_clear_nb_dpm_flag }, -+ { .tableFunction = cz_tf_reset_cc6_data }, -+ { } - }; - - static const struct phm_master_table_header cz_power_down_asic_master = { -@@ -1068,8 +1068,8 @@ static int cz_tf_check_for_dpm_enabled(struct pp_hwmgr *hwmgr, - } - - static const struct phm_master_table_item cz_disable_dpm_list[] = { -- { NULL, cz_tf_check_for_dpm_enabled}, -- {NULL, NULL}, -+ { .tableFunction = cz_tf_check_for_dpm_enabled }, -+ { }, - }; - - -@@ -1080,13 +1080,13 @@ static const struct phm_master_table_header cz_disable_dpm_master = { - }; - - static const struct phm_master_table_item cz_enable_dpm_list[] = { -- { NULL, cz_tf_check_for_dpm_disabled }, -- { NULL, cz_tf_program_voting_clients }, -- { NULL, cz_tf_start_dpm}, -- { NULL, cz_tf_program_bootup_state}, -- { NULL, cz_tf_enable_didt }, -- { NULL, cz_tf_reset_acp_boot_level }, -- {NULL, NULL}, -+ { .tableFunction = cz_tf_check_for_dpm_disabled }, -+ { .tableFunction = cz_tf_program_voting_clients }, -+ { .tableFunction = cz_tf_start_dpm }, -+ { .tableFunction = cz_tf_program_bootup_state }, -+ { .tableFunction = cz_tf_enable_didt }, -+ { .tableFunction = cz_tf_reset_acp_boot_level }, -+ { }, - }; - - static const struct phm_master_table_header cz_enable_dpm_master = { -diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c -index 29d0319..ac1e41d 100644 ---- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c -+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c -@@ -506,18 +506,18 @@ static int tf_smu7_thermal_disable_alert(struct pp_hwmgr *hwmgr, - - static const struct phm_master_table_item - phm_thermal_start_thermal_controller_master_list[] = { -- {NULL, tf_smu7_thermal_initialize}, -- {NULL, tf_smu7_thermal_set_temperature_range}, -- {NULL, tf_smu7_thermal_enable_alert}, -- {NULL, smum_thermal_avfs_enable}, -+ { .tableFunction = tf_smu7_thermal_initialize}, -+ { .tableFunction = tf_smu7_thermal_set_temperature_range}, -+ { .tableFunction = tf_smu7_thermal_enable_alert}, -+ { .tableFunction = smum_thermal_avfs_enable}, - /* We should restrict performance levels to low before we halt the SMC. - * On the other hand we are still in boot state when we do this - * so it would be pointless. - * If this assumption changes we have to revisit this table. - */ -- {NULL, smum_thermal_setup_fan_table}, -- {NULL, tf_smu7_thermal_start_smc_fan_control}, -- {NULL, NULL} -+ { .tableFunction = smum_thermal_setup_fan_table}, -+ { .tableFunction = tf_smu7_thermal_start_smc_fan_control}, -+ { } - }; - - static const struct phm_master_table_header -@@ -529,10 +529,10 @@ phm_thermal_start_thermal_controller_master = { - - static const struct phm_master_table_item - phm_thermal_set_temperature_range_master_list[] = { -- {NULL, tf_smu7_thermal_disable_alert}, -- {NULL, tf_smu7_thermal_set_temperature_range}, -- {NULL, tf_smu7_thermal_enable_alert}, -- {NULL, NULL} -+ { .tableFunction = tf_smu7_thermal_disable_alert}, -+ { .tableFunction = tf_smu7_thermal_set_temperature_range}, -+ { .tableFunction = tf_smu7_thermal_enable_alert}, -+ { } - }; - - static const struct phm_master_table_header -diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c -index ffe1f85..7017bfc 100644 ---- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c -+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c -@@ -137,7 +137,7 @@ int amd_sched_entity_init(struct amd_gpu_scheduler *sched, - if (r) - return r; - -- atomic_set(&entity->fence_seq, 0); -+ atomic_set_unchecked(&entity->fence_seq, 0); - entity->fence_context = fence_context_alloc(2); - - return 0; -diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h -index 51068e6..35b4c71 100644 ---- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h -+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h -@@ -44,7 +44,7 @@ struct amd_sched_entity { - spinlock_t queue_lock; - struct kfifo job_queue; - -- atomic_t fence_seq; -+ atomic_unchecked_t fence_seq; - uint64_t fence_context; - - struct fence *dependency; -diff --git a/drivers/gpu/drm/amd/scheduler/sched_fence.c b/drivers/gpu/drm/amd/scheduler/sched_fence.c -index 88fc2d6..22aa584 100644 ---- a/drivers/gpu/drm/amd/scheduler/sched_fence.c -+++ b/drivers/gpu/drm/amd/scheduler/sched_fence.c -@@ -60,7 +60,7 @@ struct amd_sched_fence *amd_sched_fence_create(struct amd_sched_entity *entity, - fence->sched = entity->sched; - spin_lock_init(&fence->lock); - -- seq = atomic_inc_return(&entity->fence_seq); -+ seq = atomic_inc_return_unchecked(&entity->fence_seq); - fence_init(&fence->scheduled, &amd_sched_fence_ops_scheduled, - &fence->lock, entity->fence_context, seq); - fence_init(&fence->finished, &amd_sched_fence_ops_finished, -diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c -index 1e0e68f..04bb82a 100644 ---- a/drivers/gpu/drm/armada/armada_drv.c -+++ b/drivers/gpu/drm/armada/armada_drv.c -@@ -213,6 +213,7 @@ static struct drm_driver armada_drm_driver = { - .driver_features = DRIVER_GEM | DRIVER_MODESET | - DRIVER_PRIME, - .ioctls = armada_ioctls, -+ .num_ioctls = ARRAY_SIZE(armada_ioctls), - .fops = &armada_drm_fops, - }; - -@@ -333,8 +334,6 @@ static int __init armada_drm_init(void) - { - int ret; - -- armada_drm_driver.num_ioctls = ARRAY_SIZE(armada_ioctls); -- - ret = platform_driver_register(&armada_lcd_platform_driver); - if (ret) - return ret; -diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c -index 5957c3e..970039e 100644 ---- a/drivers/gpu/drm/ast/ast_mode.c -+++ b/drivers/gpu/drm/ast/ast_mode.c -@@ -775,7 +775,7 @@ static int ast_get_modes(struct drm_connector *connector) - return 0; - } - --static int ast_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status ast_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct ast_private *ast = connector->dev->dev_private; -diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c -index 0b4e5d1..7594423 100644 ---- a/drivers/gpu/drm/bochs/bochs_kms.c -+++ b/drivers/gpu/drm/bochs/bochs_kms.c -@@ -187,7 +187,7 @@ static int bochs_connector_get_modes(struct drm_connector *connector) - return count; - } - --static int bochs_connector_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status bochs_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct bochs_device *bochs = -diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c -index 44d476e..3dd649f 100644 ---- a/drivers/gpu/drm/bridge/tc358767.c -+++ b/drivers/gpu/drm/bridge/tc358767.c -@@ -1102,7 +1102,7 @@ static bool tc_bridge_mode_fixup(struct drm_bridge *bridge, - return true; - } - --static int tc_connector_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status tc_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - /* Accept any mode */ -diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c -index 6efdba4..ce6514a 100644 ---- a/drivers/gpu/drm/drm_drv.c -+++ b/drivers/gpu/drm/drm_drv.c -@@ -385,7 +385,7 @@ void drm_unplug_dev(struct drm_device *dev) - - drm_device_set_unplugged(dev); - -- if (dev->open_count == 0) { -+ if (local_read(&dev->open_count) == 0) { - drm_put_dev(dev); - } - mutex_unlock(&drm_global_mutex); -diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c -index 1fd6eac..e4206c9 100644 ---- a/drivers/gpu/drm/drm_fb_cma_helper.c -+++ b/drivers/gpu/drm/drm_fb_cma_helper.c -@@ -335,7 +335,7 @@ static int drm_fbdev_cma_defio_init(struct fb_info *fbi, - struct drm_gem_cma_object *cma_obj) - { - struct fb_deferred_io *fbdefio; -- struct fb_ops *fbops; -+ fb_ops_no_const *fbops; - - /* - * Per device structures are needed because: -@@ -362,7 +362,7 @@ static int drm_fbdev_cma_defio_init(struct fb_info *fbi, - fbdefio->deferred_io = drm_fb_helper_deferred_io; - fbi->fbdefio = fbdefio; - fb_deferred_io_init(fbi); -- fbi->fbops->fb_mmap = drm_fbdev_cma_deferred_io_mmap; -+ fbops->fb_mmap = drm_fbdev_cma_deferred_io_mmap; - - return 0; - } -diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c -index f5815e1..106f6e1 100644 ---- a/drivers/gpu/drm/drm_fops.c -+++ b/drivers/gpu/drm/drm_fops.c -@@ -132,7 +132,7 @@ int drm_open(struct inode *inode, struct file *filp) - return PTR_ERR(minor); - - dev = minor->dev; -- if (!dev->open_count++) -+ if (local_inc_return(&dev->open_count) == 1) - need_setup = 1; - - /* share address_space across all char-devs of a single device */ -@@ -149,7 +149,7 @@ int drm_open(struct inode *inode, struct file *filp) - return 0; - - err_undo: -- dev->open_count--; -+ local_dec(&dev->open_count); - drm_minor_release(minor); - return retcode; - } -@@ -370,7 +370,7 @@ int drm_release(struct inode *inode, struct file *filp) - - mutex_lock(&drm_global_mutex); - -- DRM_DEBUG("open_count = %d\n", dev->open_count); -+ DRM_DEBUG("open_count = %ld\n", local_read(&dev->open_count)); - - mutex_lock(&dev->filelist_mutex); - list_del(&file_priv->lhead); -@@ -383,10 +383,10 @@ int drm_release(struct inode *inode, struct file *filp) - * Begin inline drm_release - */ - -- DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n", -+ DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %ld\n", - task_pid_nr(current), - (long)old_encode_dev(file_priv->minor->kdev->devt), -- dev->open_count); -+ local_read(&dev->open_count)); - - if (drm_core_check_feature(dev, DRIVER_LEGACY)) - drm_legacy_lock_release(dev, filp); -@@ -424,7 +424,7 @@ int drm_release(struct inode *inode, struct file *filp) - * End inline drm_release - */ - -- if (!--dev->open_count) { -+ if (local_dec_and_test(&dev->open_count)) { - drm_lastclose(dev); - if (drm_device_is_unplugged(dev)) - drm_put_dev(dev); -@@ -563,6 +563,11 @@ unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait) - } - EXPORT_SYMBOL(drm_poll); - -+static void drm_pending_event_destroy(struct drm_pending_event *event) -+{ -+ kfree(event); -+} -+ - /** - * drm_event_reserve_init_locked - init a DRM event and reserve space for it - * @dev: DRM device -diff --git a/drivers/gpu/drm/drm_global.c b/drivers/gpu/drm/drm_global.c -index b404287..9acd63c 100644 ---- a/drivers/gpu/drm/drm_global.c -+++ b/drivers/gpu/drm/drm_global.c -@@ -36,7 +36,7 @@ - struct drm_global_item { - struct mutex mutex; - void *object; -- int refcount; -+ atomic_t refcount; - }; - - static struct drm_global_item glob[DRM_GLOBAL_NUM]; -@@ -49,7 +49,7 @@ void drm_global_init(void) - struct drm_global_item *item = &glob[i]; - mutex_init(&item->mutex); - item->object = NULL; -- item->refcount = 0; -+ atomic_set(&item->refcount, 0); - } - } - -@@ -59,7 +59,7 @@ void drm_global_release(void) - for (i = 0; i < DRM_GLOBAL_NUM; ++i) { - struct drm_global_item *item = &glob[i]; - BUG_ON(item->object != NULL); -- BUG_ON(item->refcount != 0); -+ BUG_ON(atomic_read(&item->refcount) != 0); - } - } - -@@ -69,7 +69,7 @@ int drm_global_item_ref(struct drm_global_reference *ref) - struct drm_global_item *item = &glob[ref->global_type]; - - mutex_lock(&item->mutex); -- if (item->refcount == 0) { -+ if (atomic_read(&item->refcount) == 0) { - ref->object = kzalloc(ref->size, GFP_KERNEL); - if (unlikely(ref->object == NULL)) { - ret = -ENOMEM; -@@ -84,7 +84,7 @@ int drm_global_item_ref(struct drm_global_reference *ref) - ref->object = item->object; - } - -- ++item->refcount; -+ atomic_inc(&item->refcount); - mutex_unlock(&item->mutex); - return 0; - -@@ -102,9 +102,9 @@ void drm_global_item_unref(struct drm_global_reference *ref) - struct drm_global_item *item = &glob[ref->global_type]; - - mutex_lock(&item->mutex); -- BUG_ON(item->refcount == 0); -+ BUG_ON(atomic_read(&item->refcount) == 0); - BUG_ON(ref->object != item->object); -- if (--item->refcount == 0) { -+ if (atomic_dec_and_test(&item->refcount)) { - ref->release(ref); - item->object = NULL; - } -diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c -index 867ab8c..54cf5c2 100644 ---- a/drivers/gpu/drm/drm_ioc32.c -+++ b/drivers/gpu/drm/drm_ioc32.c -@@ -458,7 +458,7 @@ static int compat_drm_infobufs(struct file *file, unsigned int cmd, - request = compat_alloc_user_space(nbytes); - if (!request) - return -EFAULT; -- list = (struct drm_buf_desc *) (request + 1); -+ list = (struct drm_buf_desc __user *) (request + 1); - - if (__put_user(count, &request->count) - || __put_user(list, &request->list)) -@@ -519,7 +519,7 @@ static int compat_drm_mapbufs(struct file *file, unsigned int cmd, - request = compat_alloc_user_space(nbytes); - if (!request) - return -EFAULT; -- list = (struct drm_buf_pub *) (request + 1); -+ list = (struct drm_buf_pub __user *) (request + 1); - - if (__put_user(count, &request->count) - || __put_user(list, &request->list)) -@@ -1074,7 +1074,7 @@ static int compat_drm_mode_addfb2(struct file *file, unsigned int cmd, - } - #endif - --static drm_ioctl_compat_t *drm_compat_ioctls[] = { -+static drm_ioctl_compat_t drm_compat_ioctls[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION32)] = compat_drm_version, - [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE32)] = compat_drm_getunique, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP32)] = compat_drm_getmap, -@@ -1123,7 +1123,6 @@ static drm_ioctl_compat_t *drm_compat_ioctls[] = { - long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) - { - unsigned int nr = DRM_IOCTL_NR(cmd); -- drm_ioctl_compat_t *fn; - int ret; - - /* Assume that ioctls without an explicit compat routine will just -@@ -1133,10 +1132,8 @@ long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) - if (nr >= ARRAY_SIZE(drm_compat_ioctls)) - return drm_ioctl(filp, cmd, arg); - -- fn = drm_compat_ioctls[nr]; -- -- if (fn != NULL) -- ret = (*fn) (filp, cmd, arg); -+ if (drm_compat_ioctls[nr] != NULL) -+ ret = (*drm_compat_ioctls[nr]) (filp, cmd, arg); - else - ret = drm_ioctl(filp, cmd, arg); - -diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c -index 71c3473..12e69dd 100644 ---- a/drivers/gpu/drm/drm_ioctl.c -+++ b/drivers/gpu/drm/drm_ioctl.c -@@ -651,7 +651,7 @@ long drm_ioctl(struct file *filp, - struct drm_file *file_priv = filp->private_data; - struct drm_device *dev; - const struct drm_ioctl_desc *ioctl = NULL; -- drm_ioctl_t *func; -+ drm_ioctl_no_const_t func; - unsigned int nr = DRM_IOCTL_NR(cmd); - int retcode = -EINVAL; - char stack_kdata[128]; -diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c -index 3ceea9c..9fe18a5 100644 ---- a/drivers/gpu/drm/drm_pci.c -+++ b/drivers/gpu/drm/drm_pci.c -@@ -264,7 +264,7 @@ int drm_get_pci_dev(struct pci_dev *pdev, const struct pci_device_id *ent, - /* No locking needed since shadow-attach is single-threaded since it may - * only be called from the per-driver module init hook. */ - if (drm_core_check_feature(dev, DRIVER_LEGACY)) -- list_add_tail(&dev->legacy_dev_list, &driver->legacy_dev_list); -+ pax_list_add_tail(&dev->legacy_dev_list, (struct list_head *)&driver->legacy_dev_list); - - return 0; - -@@ -303,7 +303,10 @@ int drm_pci_init(struct drm_driver *driver, struct pci_driver *pdriver) - return pci_register_driver(pdriver); - - /* If not using KMS, fall back to stealth mode manual scanning. */ -- INIT_LIST_HEAD(&driver->legacy_dev_list); -+ pax_open_kernel(); -+ INIT_LIST_HEAD((struct list_head *)&driver->legacy_dev_list); -+ pax_close_kernel(); -+ - for (i = 0; pdriver->id_table[i].vendor != 0; i++) { - pid = &pdriver->id_table[i]; - -@@ -426,7 +429,7 @@ void drm_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver) - } else { - list_for_each_entry_safe(dev, tmp, &driver->legacy_dev_list, - legacy_dev_list) { -- list_del(&dev->legacy_dev_list); -+ pax_list_del(&dev->legacy_dev_list); - drm_put_dev(dev); - } - } -diff --git a/drivers/gpu/drm/drm_property.c b/drivers/gpu/drm/drm_property.c -index a4d81cf..3384497 100644 ---- a/drivers/gpu/drm/drm_property.c -+++ b/drivers/gpu/drm/drm_property.c -@@ -493,7 +493,7 @@ int drm_mode_getproperty_ioctl(struct drm_device *dev, - goto done; - } - -- if (copy_to_user(&enum_ptr[copied].name, -+ if (copy_to_user(enum_ptr[copied].name, - &prop_enum->name, DRM_PROP_NAME_LEN)) { - ret = -EFAULT; - goto done; -diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c -index f86e7c8..97444a3 100644 ---- a/drivers/gpu/drm/exynos/exynos_drm_drv.c -+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c -@@ -526,6 +526,11 @@ static int compare_dev(struct device *dev, void *data) - return dev == (struct device *)data; - } - -+static int platform_bus_type_match(struct device *dev, void *data) -+{ -+ return platform_bus_type.match(dev, data); -+} -+ - static struct component_match *exynos_drm_match_add(struct device *dev) - { - struct component_match *match = NULL; -@@ -540,7 +545,7 @@ static struct component_match *exynos_drm_match_add(struct device *dev) - - while ((d = bus_find_device(&platform_bus_type, p, - &info->driver->driver, -- (void *)platform_bus_type.match))) { -+ platform_bus_type_match))) { - put_device(p); - component_match_add(dev, &match, compare_dev, d); - p = d; -@@ -571,7 +576,6 @@ static int exynos_drm_platform_probe(struct platform_device *pdev) - struct component_match *match; - - pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); -- exynos_drm_driver.num_ioctls = ARRAY_SIZE(exynos_ioctls); - - match = exynos_drm_match_add(&pdev->dev); - if (IS_ERR(match)) -@@ -609,7 +613,7 @@ static struct device *exynos_drm_get_dma_device(void) - - while ((dev = bus_find_device(&platform_bus_type, NULL, - &info->driver->driver, -- (void *)platform_bus_type.match))) { -+ platform_bus_type_match))) { - put_device(dev); - return dev; - } -@@ -630,7 +634,7 @@ static void exynos_drm_unregister_devices(void) - - while ((dev = bus_find_device(&platform_bus_type, NULL, - &info->driver->driver, -- (void *)platform_bus_type.match))) { -+ platform_bus_type_match))) { - put_device(dev); - platform_device_unregister(to_platform_device(dev)); - } -diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c -index fbd13fa..03834dc 100644 ---- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c -+++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c -@@ -1163,6 +1163,11 @@ int exynos_g2d_get_ver_ioctl(struct drm_device *drm_dev, void *data, - return 0; - } - -+static void exynos_g2d_dmabuf_destroy(struct drm_pending_event *event) -+{ -+ kfree(event); -+} -+ - int exynos_g2d_set_cmdlist_ioctl(struct drm_device *drm_dev, void *data, - struct drm_file *file) - { -diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c -index 38eaa63..3e42c7c 100644 ---- a/drivers/gpu/drm/exynos/exynos_hdmi.c -+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c -@@ -919,7 +919,7 @@ static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock) - return -EINVAL; - } - --static int hdmi_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status hdmi_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct hdmi_context *hdata = connector_to_hdmi(connector); -diff --git a/drivers/gpu/drm/gma500/cdv_intel_crt.c b/drivers/gpu/drm/gma500/cdv_intel_crt.c -index b837e7a..cb5a14b 100644 ---- a/drivers/gpu/drm/gma500/cdv_intel_crt.c -+++ b/drivers/gpu/drm/gma500/cdv_intel_crt.c -@@ -64,7 +64,7 @@ static void cdv_intel_crt_dpms(struct drm_encoder *encoder, int mode) - REG_WRITE(reg, temp); - } - --static int cdv_intel_crt_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status cdv_intel_crt_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - if (mode->flags & DRM_MODE_FLAG_DBLSCAN) -diff --git a/drivers/gpu/drm/gma500/cdv_intel_dp.c b/drivers/gpu/drm/gma500/cdv_intel_dp.c -index c52f9ad..486d203 100644 ---- a/drivers/gpu/drm/gma500/cdv_intel_dp.c -+++ b/drivers/gpu/drm/gma500/cdv_intel_dp.c -@@ -505,7 +505,7 @@ static void cdv_intel_edp_backlight_off (struct gma_encoder *intel_encoder) - msleep(intel_dp->backlight_off_delay); - } - --static int -+static enum drm_mode_status - cdv_intel_dp_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { -diff --git a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c -index 563f193..f087899 100644 ---- a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c -+++ b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c -@@ -223,7 +223,7 @@ static int cdv_hdmi_get_modes(struct drm_connector *connector) - return ret; - } - --static int cdv_hdmi_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status cdv_hdmi_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - if (mode->clock > 165000) -diff --git a/drivers/gpu/drm/gma500/cdv_intel_lvds.c b/drivers/gpu/drm/gma500/cdv_intel_lvds.c -index ea733ab..57f6045 100644 ---- a/drivers/gpu/drm/gma500/cdv_intel_lvds.c -+++ b/drivers/gpu/drm/gma500/cdv_intel_lvds.c -@@ -244,7 +244,7 @@ static void cdv_intel_lvds_restore(struct drm_connector *connector) - { - } - --static int cdv_intel_lvds_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status cdv_intel_lvds_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct drm_device *dev = connector->dev; -diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c b/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c -index a05c0206..01bfdad 100644 ---- a/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c -+++ b/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c -@@ -120,9 +120,14 @@ static void dsi_set_pipe_plane_enable_state(struct drm_device *dev, - u32 pipeconf_reg = PIPEACONF; - u32 dspcntr_reg = DSPACNTR; - -- u32 dspcntr = dev_priv->dspcntr[pipe]; -+ u32 dspcntr; - u32 mipi = MIPI_PORT_EN | PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX; - -+ if (pipe == -1) -+ return; -+ -+ dspcntr = dev_priv->dspcntr[pipe]; -+ - if (pipe) { - pipeconf_reg = PIPECCONF; - dspcntr_reg = DSPCCNTR; -@@ -645,6 +650,9 @@ static void mdfld_dsi_dpi_set_power(struct drm_encoder *encoder, bool on) - if (!gma_power_begin(dev, true)) - return; - -+ if (pipe == -1) -+ return; -+ - if (on) { - if (mdfld_get_panel_type(dev, pipe) == TMD_VID) - mdfld_dsi_dpi_turn_on(dpi_output, pipe); -diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_output.c b/drivers/gpu/drm/gma500/mdfld_dsi_output.c -index acb3848..fe02092 100644 ---- a/drivers/gpu/drm/gma500/mdfld_dsi_output.c -+++ b/drivers/gpu/drm/gma500/mdfld_dsi_output.c -@@ -346,7 +346,7 @@ static int mdfld_dsi_connector_get_modes(struct drm_connector *connector) - return 0; - } - --static int mdfld_dsi_connector_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status mdfld_dsi_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct mdfld_dsi_connector *dsi_connector = -diff --git a/drivers/gpu/drm/gma500/oaktrail_hdmi.c b/drivers/gpu/drm/gma500/oaktrail_hdmi.c -index 8b2eb32..78566a8 100644 ---- a/drivers/gpu/drm/gma500/oaktrail_hdmi.c -+++ b/drivers/gpu/drm/gma500/oaktrail_hdmi.c -@@ -509,7 +509,7 @@ static void oaktrail_hdmi_dpms(struct drm_encoder *encoder, int mode) - HDMI_WRITE(HDMI_VIDEO_REG, temp); - } - --static int oaktrail_hdmi_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status oaktrail_hdmi_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - if (mode->clock > 165000) -diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c -index 8f3ca52..b341aa8 100644 ---- a/drivers/gpu/drm/gma500/psb_drv.c -+++ b/drivers/gpu/drm/gma500/psb_drv.c -@@ -373,7 +373,6 @@ static int psb_driver_load(struct drm_device *dev, unsigned long flags) - drm_irq_install(dev, dev->pdev->irq); - - dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */ -- dev->driver->get_vblank_counter = psb_get_vblank_counter; - - psb_modeset_init(dev); - psb_fbdev_init(dev); -diff --git a/drivers/gpu/drm/gma500/psb_intel_drv.h b/drivers/gpu/drm/gma500/psb_intel_drv.h -index 2a3b7c6..fbd3fa3 100644 ---- a/drivers/gpu/drm/gma500/psb_intel_drv.h -+++ b/drivers/gpu/drm/gma500/psb_intel_drv.h -@@ -255,7 +255,7 @@ extern int intelfb_remove(struct drm_device *dev, - extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode); --extern int psb_intel_lvds_mode_valid(struct drm_connector *connector, -+extern enum drm_mode_status psb_intel_lvds_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode); - extern int psb_intel_lvds_set_property(struct drm_connector *connector, - struct drm_property *property, -diff --git a/drivers/gpu/drm/gma500/psb_intel_lvds.c b/drivers/gpu/drm/gma500/psb_intel_lvds.c -index fd7c912..8170806 100644 ---- a/drivers/gpu/drm/gma500/psb_intel_lvds.c -+++ b/drivers/gpu/drm/gma500/psb_intel_lvds.c -@@ -343,7 +343,7 @@ static void psb_intel_lvds_restore(struct drm_connector *connector) - } - } - --int psb_intel_lvds_mode_valid(struct drm_connector *connector, -+enum drm_mode_status psb_intel_lvds_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct drm_psb_private *dev_priv = connector->dev->dev_private; -diff --git a/drivers/gpu/drm/gma500/psb_intel_sdvo.c b/drivers/gpu/drm/gma500/psb_intel_sdvo.c -index e787d37..91622fd 100644 ---- a/drivers/gpu/drm/gma500/psb_intel_sdvo.c -+++ b/drivers/gpu/drm/gma500/psb_intel_sdvo.c -@@ -1158,7 +1158,7 @@ static void psb_intel_sdvo_dpms(struct drm_encoder *encoder, int mode) - return; - } - --static int psb_intel_sdvo_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status psb_intel_sdvo_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector); -diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c -index 9798d40..2d49135 100644 ---- a/drivers/gpu/drm/i2c/tda998x_drv.c -+++ b/drivers/gpu/drm/i2c/tda998x_drv.c -@@ -873,7 +873,7 @@ static void tda998x_encoder_dpms(struct drm_encoder *encoder, int mode) - priv->dpms = mode; - } - --static int tda998x_connector_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status tda998x_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - /* TDA19988 dotclock can go up to 165MHz */ -diff --git a/drivers/gpu/drm/i810/i810_dma.c b/drivers/gpu/drm/i810/i810_dma.c -index d918567..6cfd904 100644 ---- a/drivers/gpu/drm/i810/i810_dma.c -+++ b/drivers/gpu/drm/i810/i810_dma.c -@@ -1250,7 +1250,7 @@ const struct drm_ioctl_desc i810_ioctls[] = { - DRM_IOCTL_DEF_DRV(I810_FLIP, i810_flip_bufs, DRM_AUTH|DRM_UNLOCKED), - }; - --int i810_max_ioctl = ARRAY_SIZE(i810_ioctls); -+const int i810_max_ioctl = ARRAY_SIZE(i810_ioctls); - - /** - * Determine if the device really is AGP or not. -diff --git a/drivers/gpu/drm/i810/i810_drv.c b/drivers/gpu/drm/i810/i810_drv.c -index 0be55dc..3f3482c 100644 ---- a/drivers/gpu/drm/i810/i810_drv.c -+++ b/drivers/gpu/drm/i810/i810_drv.c -@@ -85,7 +85,11 @@ static int __init i810_init(void) - pr_err("drm/i810 does not support SMP\n"); - return -EINVAL; - } -- driver.num_ioctls = i810_max_ioctl; -+ -+ pax_open_kernel(); -+ const_cast(driver.num_ioctls) = i810_max_ioctl; -+ pax_close_kernel(); -+ - return drm_pci_init(&driver, &i810_pci_driver); - } - -diff --git a/drivers/gpu/drm/i810/i810_drv.h b/drivers/gpu/drm/i810/i810_drv.h -index 93ec5dc..204ec92 100644 ---- a/drivers/gpu/drm/i810/i810_drv.h -+++ b/drivers/gpu/drm/i810/i810_drv.h -@@ -110,8 +110,8 @@ typedef struct drm_i810_private { - int page_flipping; - - wait_queue_head_t irq_queue; -- atomic_t irq_received; -- atomic_t irq_emitted; -+ atomic_unchecked_t irq_received; -+ atomic_unchecked_t irq_emitted; - - int front_offset; - } drm_i810_private_t; -@@ -128,7 +128,7 @@ extern int i810_driver_device_is_agp(struct drm_device *dev); - - extern long i810_ioctl(struct file *file, unsigned int cmd, unsigned long arg); - extern const struct drm_ioctl_desc i810_ioctls[]; --extern int i810_max_ioctl; -+extern const int i810_max_ioctl; - - #define I810_BASE(reg) ((unsigned long) \ - dev_priv->mmio_map->handle) -diff --git a/drivers/gpu/drm/i915/dvo.h b/drivers/gpu/drm/i915/dvo.h -index 5e6a301..b6e143e 100644 ---- a/drivers/gpu/drm/i915/dvo.h -+++ b/drivers/gpu/drm/i915/dvo.h -@@ -74,7 +74,7 @@ struct intel_dvo_dev_ops { - * - * \return MODE_OK if the mode is valid, or another MODE_* otherwise. - */ -- int (*mode_valid)(struct intel_dvo_device *dvo, -+ enum drm_mode_status (*mode_valid)(struct intel_dvo_device *dvo, - struct drm_display_mode *mode); - - /* -diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c -index 923150d..4470b43 100644 ---- a/drivers/gpu/drm/i915/i915_drv.c -+++ b/drivers/gpu/drm/i915/i915_drv.c -@@ -50,7 +50,7 @@ - #include "i915_vgpu.h" - #include "intel_drv.h" - --static struct drm_driver driver; -+static drm_driver_no_const driver; - - static unsigned int i915_load_fail_count; - -@@ -519,7 +519,7 @@ static bool i915_switcheroo_can_switch(struct pci_dev *pdev) - * locking inversion with the driver load path. And the access here is - * completely racy anyway. So don't bother with locking for now. - */ -- return dev->open_count == 0; -+ return local_read(&dev->open_count) == 0; - } - - static const struct vga_switcheroo_client_ops i915_switcheroo_ops = { -@@ -1179,8 +1179,11 @@ int i915_driver_load(struct pci_dev *pdev, const struct pci_device_id *ent) - struct drm_i915_private *dev_priv; - int ret; - -- if (i915.nuclear_pageflip) -+ if (i915.nuclear_pageflip) { -+ pax_open_kernel(); - driver.driver_features |= DRIVER_ATOMIC; -+ pax_close_kernel(); -+ } - - ret = -ENOMEM; - dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL); -@@ -2561,7 +2564,7 @@ static const struct drm_ioctl_desc i915_ioctls[] = { - DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_SETPARAM, i915_gem_context_setparam_ioctl, DRM_RENDER_ALLOW), - }; - --static struct drm_driver driver = { -+static drm_driver_no_const driver __read_only = { - /* Don't use MTRRs here; the Xserver or userspace app should - * deal with them for Intel hardware. - */ -diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c -index 2117f17..3fbd6d0 100644 ---- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c -+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c -@@ -1187,12 +1187,12 @@ i915_gem_check_execbuffer(struct drm_i915_gem_execbuffer2 *exec) - static int - validate_exec_list(struct drm_device *dev, - struct drm_i915_gem_exec_object2 *exec, -- int count) -+ unsigned int count) - { - unsigned relocs_total = 0; - unsigned relocs_max = UINT_MAX / sizeof(struct drm_i915_gem_relocation_entry); - unsigned invalid_flags; -- int i; -+ unsigned int i; - - /* INTERNAL flags must not overlap with external ones */ - BUILD_BUG_ON(__EXEC_OBJECT_INTERNAL_FLAGS & ~__EXEC_OBJECT_UNKNOWN_FLAGS); -diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c -index 0bb4232..d1dfde0 100644 ---- a/drivers/gpu/drm/i915/i915_gem_gtt.c -+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c -@@ -3166,8 +3166,8 @@ int i915_ggtt_probe_hw(struct drm_i915_private *dev_priv) - /* GMADR is the PCI mmio aperture into the global GTT. */ - DRM_INFO("Memory usable by graphics device = %lluM\n", - ggtt->base.total >> 20); -- DRM_DEBUG_DRIVER("GMADR size = %lldM\n", ggtt->mappable_end >> 20); -- DRM_DEBUG_DRIVER("GTT stolen size = %zdM\n", ggtt->stolen_size >> 20); -+ DRM_DEBUG_DRIVER("GMADR size = %lluM\n", ggtt->mappable_end >> 20); -+ DRM_DEBUG_DRIVER("GTT stolen size = %lluM\n", ggtt->stolen_size >> 20); - #ifdef CONFIG_INTEL_IOMMU - if (intel_iommu_gfx_mapped) - DRM_INFO("VT-d active for gfx access\n"); -diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h -index ec78be2..fc20a5628 100644 ---- a/drivers/gpu/drm/i915/i915_gem_gtt.h -+++ b/drivers/gpu/drm/i915/i915_gem_gtt.h -@@ -437,12 +437,12 @@ struct i915_ggtt { - struct i915_address_space base; - struct io_mapping mappable; /* Mapping to our CPU mappable region */ - -- size_t stolen_size; /* Total size of stolen memory */ -+ u64 stolen_size; /* Total size of stolen memory */ - size_t stolen_usable_size; /* Total size minus BIOS reserved */ - size_t stolen_reserved_base; - size_t stolen_reserved_size; - u64 mappable_end; /* End offset that we can CPU map */ -- phys_addr_t mappable_base; /* PA of our GMADR */ -+ u64 mappable_base; /* PA of our GMADR */ - - /** "Graphics Stolen Memory" holds the global PTEs */ - void __iomem *gsm; -diff --git a/drivers/gpu/drm/i915/i915_ioc32.c b/drivers/gpu/drm/i915/i915_ioc32.c -index 97f3a56..32c712e 100644 ---- a/drivers/gpu/drm/i915/i915_ioc32.c -+++ b/drivers/gpu/drm/i915/i915_ioc32.c -@@ -65,7 +65,7 @@ static int compat_i915_getparam(struct file *file, unsigned int cmd, - (unsigned long)request); - } - --static drm_ioctl_compat_t *i915_compat_ioctls[] = { -+static drm_ioctl_compat_t i915_compat_ioctls[] = { - [DRM_I915_GETPARAM] = compat_i915_getparam, - }; - -@@ -81,17 +81,13 @@ static drm_ioctl_compat_t *i915_compat_ioctls[] = { - long i915_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) - { - unsigned int nr = DRM_IOCTL_NR(cmd); -- drm_ioctl_compat_t *fn = NULL; - int ret; - - if (nr < DRM_COMMAND_BASE || nr >= DRM_COMMAND_END) - return drm_compat_ioctl(filp, cmd, arg); - -- if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(i915_compat_ioctls)) -- fn = i915_compat_ioctls[nr - DRM_COMMAND_BASE]; -- -- if (fn != NULL) -- ret = (*fn) (filp, cmd, arg); -+ if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(i915_compat_ioctls) && i915_compat_ioctls[nr - DRM_COMMAND_BASE]) -+ ret = (*i915_compat_ioctls[nr - DRM_COMMAND_BASE])(filp, cmd, arg); - else - ret = drm_ioctl(filp, cmd, arg); - -diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c -index 02908e3..8c9262d 100644 ---- a/drivers/gpu/drm/i915/i915_irq.c -+++ b/drivers/gpu/drm/i915/i915_irq.c -@@ -4494,15 +4494,16 @@ void intel_irq_init(struct drm_i915_private *dev_priv) - INIT_DELAYED_WORK(&dev_priv->gpu_error.hangcheck_work, - i915_hangcheck_elapsed); - -+ pax_open_kernel(); - if (IS_GEN2(dev_priv)) { - /* Gen2 doesn't have a hardware frame counter */ - dev->max_vblank_count = 0; -- dev->driver->get_vblank_counter = drm_vblank_no_hw_counter; -+ const_cast(dev->driver->get_vblank_counter) = drm_vblank_no_hw_counter; - } else if (IS_G4X(dev_priv) || INTEL_INFO(dev_priv)->gen >= 5) { - dev->max_vblank_count = 0xffffffff; /* full 32 bit counter */ -- dev->driver->get_vblank_counter = g4x_get_vblank_counter; -+ const_cast(dev->driver->get_vblank_counter) = g4x_get_vblank_counter; - } else { -- dev->driver->get_vblank_counter = i915_get_vblank_counter; -+ const_cast(dev->driver->get_vblank_counter) = i915_get_vblank_counter; - dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */ - } - -@@ -4524,32 +4525,32 @@ void intel_irq_init(struct drm_i915_private *dev_priv) - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - dev_priv->display_irqs_enabled = false; - -- dev->driver->get_vblank_timestamp = i915_get_vblank_timestamp; -- dev->driver->get_scanout_position = i915_get_crtc_scanoutpos; -+ const_cast(dev->driver->get_vblank_timestamp) = i915_get_vblank_timestamp; -+ const_cast(dev->driver->get_scanout_position) = i915_get_crtc_scanoutpos; - - if (IS_CHERRYVIEW(dev_priv)) { -- dev->driver->irq_handler = cherryview_irq_handler; -- dev->driver->irq_preinstall = cherryview_irq_preinstall; -- dev->driver->irq_postinstall = cherryview_irq_postinstall; -- dev->driver->irq_uninstall = cherryview_irq_uninstall; -- dev->driver->enable_vblank = valleyview_enable_vblank; -- dev->driver->disable_vblank = valleyview_disable_vblank; -+ const_cast(dev->driver->irq_handler) = cherryview_irq_handler; -+ const_cast(dev->driver->irq_preinstall) = cherryview_irq_preinstall; -+ const_cast(dev->driver->irq_postinstall) = cherryview_irq_postinstall; -+ const_cast(dev->driver->irq_uninstall) = cherryview_irq_uninstall; -+ const_cast(dev->driver->enable_vblank) = valleyview_enable_vblank; -+ const_cast(dev->driver->disable_vblank) = valleyview_disable_vblank; - dev_priv->display.hpd_irq_setup = i915_hpd_irq_setup; - } else if (IS_VALLEYVIEW(dev_priv)) { -- dev->driver->irq_handler = valleyview_irq_handler; -- dev->driver->irq_preinstall = valleyview_irq_preinstall; -- dev->driver->irq_postinstall = valleyview_irq_postinstall; -- dev->driver->irq_uninstall = valleyview_irq_uninstall; -- dev->driver->enable_vblank = valleyview_enable_vblank; -- dev->driver->disable_vblank = valleyview_disable_vblank; -+ const_cast(dev->driver->irq_handler) = valleyview_irq_handler; -+ const_cast(dev->driver->irq_preinstall) = valleyview_irq_preinstall; -+ const_cast(dev->driver->irq_postinstall) = valleyview_irq_postinstall; -+ const_cast(dev->driver->irq_uninstall) = valleyview_irq_uninstall; -+ const_cast(dev->driver->enable_vblank) = valleyview_enable_vblank; -+ const_cast(dev->driver->disable_vblank) = valleyview_disable_vblank; - dev_priv->display.hpd_irq_setup = i915_hpd_irq_setup; - } else if (INTEL_INFO(dev_priv)->gen >= 8) { -- dev->driver->irq_handler = gen8_irq_handler; -- dev->driver->irq_preinstall = gen8_irq_reset; -- dev->driver->irq_postinstall = gen8_irq_postinstall; -- dev->driver->irq_uninstall = gen8_irq_uninstall; -- dev->driver->enable_vblank = gen8_enable_vblank; -- dev->driver->disable_vblank = gen8_disable_vblank; -+ const_cast(dev->driver->irq_handler) = gen8_irq_handler; -+ const_cast(dev->driver->irq_preinstall) = gen8_irq_reset; -+ const_cast(dev->driver->irq_postinstall) = gen8_irq_postinstall; -+ const_cast(dev->driver->irq_uninstall) = gen8_irq_uninstall; -+ const_cast(dev->driver->enable_vblank) = gen8_enable_vblank; -+ const_cast(dev->driver->disable_vblank) = gen8_disable_vblank; - if (IS_BROXTON(dev)) - dev_priv->display.hpd_irq_setup = bxt_hpd_irq_setup; - else if (HAS_PCH_SPT(dev) || HAS_PCH_KBP(dev)) -@@ -4557,35 +4558,36 @@ void intel_irq_init(struct drm_i915_private *dev_priv) - else - dev_priv->display.hpd_irq_setup = ilk_hpd_irq_setup; - } else if (HAS_PCH_SPLIT(dev)) { -- dev->driver->irq_handler = ironlake_irq_handler; -- dev->driver->irq_preinstall = ironlake_irq_reset; -- dev->driver->irq_postinstall = ironlake_irq_postinstall; -- dev->driver->irq_uninstall = ironlake_irq_uninstall; -- dev->driver->enable_vblank = ironlake_enable_vblank; -- dev->driver->disable_vblank = ironlake_disable_vblank; -+ const_cast(dev->driver->irq_handler) = ironlake_irq_handler; -+ const_cast(dev->driver->irq_preinstall) = ironlake_irq_reset; -+ const_cast(dev->driver->irq_postinstall) = ironlake_irq_postinstall; -+ const_cast(dev->driver->irq_uninstall) = ironlake_irq_uninstall; -+ const_cast(dev->driver->enable_vblank) = ironlake_enable_vblank; -+ const_cast(dev->driver->disable_vblank) = ironlake_disable_vblank; - dev_priv->display.hpd_irq_setup = ilk_hpd_irq_setup; - } else { - if (IS_GEN2(dev_priv)) { -- dev->driver->irq_preinstall = i8xx_irq_preinstall; -- dev->driver->irq_postinstall = i8xx_irq_postinstall; -- dev->driver->irq_handler = i8xx_irq_handler; -- dev->driver->irq_uninstall = i8xx_irq_uninstall; -+ const_cast(dev->driver->irq_preinstall) = i8xx_irq_preinstall; -+ const_cast(dev->driver->irq_postinstall) = i8xx_irq_postinstall; -+ const_cast(dev->driver->irq_handler) = i8xx_irq_handler; -+ const_cast(dev->driver->irq_uninstall) = i8xx_irq_uninstall; - } else if (IS_GEN3(dev_priv)) { -- dev->driver->irq_preinstall = i915_irq_preinstall; -- dev->driver->irq_postinstall = i915_irq_postinstall; -- dev->driver->irq_uninstall = i915_irq_uninstall; -- dev->driver->irq_handler = i915_irq_handler; -+ const_cast(dev->driver->irq_preinstall) = i915_irq_preinstall; -+ const_cast(dev->driver->irq_postinstall) = i915_irq_postinstall; -+ const_cast(dev->driver->irq_uninstall) = i915_irq_uninstall; -+ const_cast(dev->driver->irq_handler) = i915_irq_handler; - } else { -- dev->driver->irq_preinstall = i965_irq_preinstall; -- dev->driver->irq_postinstall = i965_irq_postinstall; -- dev->driver->irq_uninstall = i965_irq_uninstall; -- dev->driver->irq_handler = i965_irq_handler; -+ const_cast(dev->driver->irq_preinstall) = i965_irq_preinstall; -+ const_cast(dev->driver->irq_postinstall) = i965_irq_postinstall; -+ const_cast(dev->driver->irq_uninstall) = i965_irq_uninstall; -+ const_cast(dev->driver->irq_handler) = i965_irq_handler; - } - if (I915_HAS_HOTPLUG(dev_priv)) - dev_priv->display.hpd_irq_setup = i915_hpd_irq_setup; -- dev->driver->enable_vblank = i915_enable_vblank; -- dev->driver->disable_vblank = i915_disable_vblank; -+ const_cast(dev->driver->enable_vblank) = i915_enable_vblank; -+ const_cast(dev->driver->disable_vblank) = i915_disable_vblank; - } -+ pax_close_kernel(); - } - - /** -diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c -index 5dc6082..eb5ba42 100644 ---- a/drivers/gpu/drm/i915/intel_display.c -+++ b/drivers/gpu/drm/i915/intel_display.c -@@ -16123,13 +16123,13 @@ struct intel_quirk { - int subsystem_vendor; - int subsystem_device; - void (*hook)(struct drm_device *dev); --}; -+} __do_const; - - /* For systems that don't have a meaningful PCI subdevice/subvendor ID */ - struct intel_dmi_quirk { - void (*hook)(struct drm_device *dev); -- const struct dmi_system_id (*dmi_id_list)[]; --}; -+ const struct dmi_system_id *dmi_id_list; -+} __do_const; - - static int intel_dmi_reverse_brightness(const struct dmi_system_id *id) - { -@@ -16137,18 +16137,20 @@ static int intel_dmi_reverse_brightness(const struct dmi_system_id *id) - return 1; - } - --static const struct intel_dmi_quirk intel_dmi_quirks[] = { -+static const struct dmi_system_id intel_dmi_quirks_table[] = { - { -- .dmi_id_list = &(const struct dmi_system_id[]) { -- { -- .callback = intel_dmi_reverse_brightness, -- .ident = "NCR Corporation", -- .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"), -- DMI_MATCH(DMI_PRODUCT_NAME, ""), -- }, -- }, -- { } /* terminating entry */ -+ .callback = intel_dmi_reverse_brightness, -+ .ident = "NCR Corporation", -+ .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"), -+ DMI_MATCH(DMI_PRODUCT_NAME, ""), - }, -+ }, -+ { } /* terminating entry */ -+}; -+ -+static const struct intel_dmi_quirk intel_dmi_quirks[] = { -+ { -+ .dmi_id_list = intel_dmi_quirks_table, - .hook = quirk_invert_brightness, - }, - }; -@@ -16231,7 +16233,7 @@ static void intel_init_quirks(struct drm_device *dev) - q->hook(dev); - } - for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) { -- if (dmi_check_system(*intel_dmi_quirks[i].dmi_id_list) != 0) -+ if (dmi_check_system(intel_dmi_quirks[i].dmi_id_list) != 0) - intel_dmi_quirks[i].hook(dev); - } - } -diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c -index 9672b57..d25a507c 100644 ---- a/drivers/gpu/drm/imx/imx-drm-core.c -+++ b/drivers/gpu/drm/imx/imx-drm-core.c -@@ -226,7 +226,7 @@ int imx_drm_add_crtc(struct drm_device *drm, struct drm_crtc *crtc, - if (imxdrm->pipes >= MAX_CRTC) - return -EINVAL; - -- if (imxdrm->drm->open_count) -+ if (local_read(&imxdrm->drm->open_count)) - return -EBUSY; - - imx_drm_crtc = kzalloc(sizeof(*imx_drm_crtc), GFP_KERNEL); -diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c -index 89cf009..1d14e38 100644 ---- a/drivers/gpu/drm/imx/imx-tve.c -+++ b/drivers/gpu/drm/imx/imx-tve.c -@@ -254,7 +254,7 @@ static int imx_tve_connector_get_modes(struct drm_connector *connector) - return ret; - } - --static int imx_tve_connector_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status imx_tve_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct imx_tve *tve = con_to_tve(connector); -diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c -index 0e8c4d9..f9d98b7 100644 ---- a/drivers/gpu/drm/mediatek/mtk_hdmi.c -+++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c -@@ -1226,7 +1226,7 @@ static int mtk_hdmi_conn_get_modes(struct drm_connector *conn) - return ret; - } - --static int mtk_hdmi_conn_mode_valid(struct drm_connector *conn, -+static enum drm_mode_status mtk_hdmi_conn_mode_valid(struct drm_connector *conn, - struct drm_display_mode *mode) - { - struct mtk_hdmi *hdmi = hdmi_ctx_from_conn(conn); -diff --git a/drivers/gpu/drm/mga/mga_drv.c b/drivers/gpu/drm/mga/mga_drv.c -index 63ba0699..35e349f 100644 ---- a/drivers/gpu/drm/mga/mga_drv.c -+++ b/drivers/gpu/drm/mga/mga_drv.c -@@ -89,7 +89,10 @@ static struct pci_driver mga_pci_driver = { - - static int __init mga_init(void) - { -- driver.num_ioctls = mga_max_ioctl; -+ pax_open_kernel(); -+ const_cast(driver.num_ioctls) = mga_max_ioctl; -+ pax_close_kernel(); -+ - return drm_pci_init(&driver, &mga_pci_driver); - } - -diff --git a/drivers/gpu/drm/mga/mga_drv.h b/drivers/gpu/drm/mga/mga_drv.h -index bb31233..75b39f0 100644 ---- a/drivers/gpu/drm/mga/mga_drv.h -+++ b/drivers/gpu/drm/mga/mga_drv.h -@@ -122,9 +122,9 @@ typedef struct drm_mga_private { - u32 clear_cmd; - u32 maccess; - -- atomic_t vbl_received; /**< Number of vblanks received. */ -+ atomic_unchecked_t vbl_received; /**< Number of vblanks received. */ - wait_queue_head_t fence_queue; -- atomic_t last_fence_retired; -+ atomic_unchecked_t last_fence_retired; - u32 next_fence_to_post; - - unsigned int fb_cpp; -@@ -152,7 +152,7 @@ typedef struct drm_mga_private { - } drm_mga_private_t; - - extern const struct drm_ioctl_desc mga_ioctls[]; --extern int mga_max_ioctl; -+extern const int mga_max_ioctl; - - /* mga_dma.c */ - extern int mga_dma_bootstrap(struct drm_device *dev, void *data, -diff --git a/drivers/gpu/drm/mga/mga_ioc32.c b/drivers/gpu/drm/mga/mga_ioc32.c -index 729bfd5..14bae78 100644 ---- a/drivers/gpu/drm/mga/mga_ioc32.c -+++ b/drivers/gpu/drm/mga/mga_ioc32.c -@@ -190,7 +190,7 @@ static int compat_mga_dma_bootstrap(struct file *file, unsigned int cmd, - return 0; - } - --drm_ioctl_compat_t *mga_compat_ioctls[] = { -+drm_ioctl_compat_t mga_compat_ioctls[] = { - [DRM_MGA_INIT] = compat_mga_init, - [DRM_MGA_GETPARAM] = compat_mga_getparam, - [DRM_MGA_DMA_BOOTSTRAP] = compat_mga_dma_bootstrap, -@@ -208,17 +208,13 @@ drm_ioctl_compat_t *mga_compat_ioctls[] = { - long mga_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) - { - unsigned int nr = DRM_IOCTL_NR(cmd); -- drm_ioctl_compat_t *fn = NULL; - int ret; - - if (nr < DRM_COMMAND_BASE) - return drm_compat_ioctl(filp, cmd, arg); - -- if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(mga_compat_ioctls)) -- fn = mga_compat_ioctls[nr - DRM_COMMAND_BASE]; -- -- if (fn != NULL) -- ret = (*fn) (filp, cmd, arg); -+ if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(mga_compat_ioctls) && mga_compat_ioctls[nr - DRM_COMMAND_BASE]) -+ ret = (*mga_compat_ioctls[nr - DRM_COMMAND_BASE]) (filp, cmd, arg); - else - ret = drm_ioctl(filp, cmd, arg); - -diff --git a/drivers/gpu/drm/mga/mga_irq.c b/drivers/gpu/drm/mga/mga_irq.c -index 693ba70..465bcfc 100644 ---- a/drivers/gpu/drm/mga/mga_irq.c -+++ b/drivers/gpu/drm/mga/mga_irq.c -@@ -43,7 +43,7 @@ u32 mga_get_vblank_counter(struct drm_device *dev, unsigned int pipe) - if (pipe != 0) - return 0; - -- return atomic_read(&dev_priv->vbl_received); -+ return atomic_read_unchecked(&dev_priv->vbl_received); - } - - -@@ -59,7 +59,7 @@ irqreturn_t mga_driver_irq_handler(int irq, void *arg) - /* VBLANK interrupt */ - if (status & MGA_VLINEPEN) { - MGA_WRITE(MGA_ICLEAR, MGA_VLINEICLR); -- atomic_inc(&dev_priv->vbl_received); -+ atomic_inc_unchecked(&dev_priv->vbl_received); - drm_handle_vblank(dev, 0); - handled = 1; - } -@@ -78,7 +78,7 @@ irqreturn_t mga_driver_irq_handler(int irq, void *arg) - if ((prim_start & ~0x03) != (prim_end & ~0x03)) - MGA_WRITE(MGA_PRIMEND, prim_end); - -- atomic_inc(&dev_priv->last_fence_retired); -+ atomic_inc_unchecked(&dev_priv->last_fence_retired); - wake_up(&dev_priv->fence_queue); - handled = 1; - } -@@ -129,7 +129,7 @@ int mga_driver_fence_wait(struct drm_device *dev, unsigned int *sequence) - * using fences. - */ - DRM_WAIT_ON(ret, dev_priv->fence_queue, 3 * HZ, -- (((cur_fence = atomic_read(&dev_priv->last_fence_retired)) -+ (((cur_fence = atomic_read_unchecked(&dev_priv->last_fence_retired)) - - *sequence) <= (1 << 23))); - - *sequence = cur_fence; -diff --git a/drivers/gpu/drm/mga/mga_state.c b/drivers/gpu/drm/mga/mga_state.c -index 792f924..aeb1334 100644 ---- a/drivers/gpu/drm/mga/mga_state.c -+++ b/drivers/gpu/drm/mga/mga_state.c -@@ -1099,4 +1099,4 @@ const struct drm_ioctl_desc mga_ioctls[] = { - DRM_IOCTL_DEF_DRV(MGA_DMA_BOOTSTRAP, mga_dma_bootstrap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), - }; - --int mga_max_ioctl = ARRAY_SIZE(mga_ioctls); -+const int mga_max_ioctl = ARRAY_SIZE(mga_ioctls); -diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c -index 6b21cb2..90c2876 100644 ---- a/drivers/gpu/drm/mgag200/mgag200_mode.c -+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c -@@ -1574,7 +1574,7 @@ static uint32_t mga_vga_calculate_mode_bandwidth(struct drm_display_mode *mode, - - #define MODE_BANDWIDTH MODE_BAD - --static int mga_vga_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status mga_vga_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct drm_device *dev = connector->dev; -diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c -index c8d1f19..10d49d4 100644 ---- a/drivers/gpu/drm/msm/dsi/dsi_manager.c -+++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c -@@ -306,7 +306,7 @@ static int dsi_mgr_connector_get_modes(struct drm_connector *connector) - return num; - } - --static int dsi_mgr_connector_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status dsi_mgr_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - int id = dsi_mgr_connector_get_id(connector); -diff --git a/drivers/gpu/drm/msm/edp/edp_connector.c b/drivers/gpu/drm/msm/edp/edp_connector.c -index 5960628..fe2e4de 100644 ---- a/drivers/gpu/drm/msm/edp/edp_connector.c -+++ b/drivers/gpu/drm/msm/edp/edp_connector.c -@@ -63,7 +63,7 @@ static int edp_connector_get_modes(struct drm_connector *connector) - return ret; - } - --static int edp_connector_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status edp_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct edp_connector *edp_connector = to_edp_connector(connector); -diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c -index a2515b4..cec0906 100644 ---- a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c -+++ b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c -@@ -377,7 +377,7 @@ static int msm_hdmi_connector_get_modes(struct drm_connector *connector) - return ret; - } - --static int msm_hdmi_connector_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status msm_hdmi_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct hdmi_connector *hdmi_connector = to_hdmi_connector(connector); -diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c -index ed7143d..527b26a 100644 ---- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c -+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c -@@ -647,9 +647,12 @@ struct msm_kms *mdp5_kms_init(struct drm_device *dev) - dev->mode_config.max_width = config->hw->lm.max_width; - dev->mode_config.max_height = config->hw->lm.max_height; - -- dev->driver->get_vblank_timestamp = mdp5_get_vblank_timestamp; -- dev->driver->get_scanout_position = mdp5_get_scanoutpos; -- dev->driver->get_vblank_counter = mdp5_get_vblank_counter; -+ pax_open_kernel(); -+ const_cast(dev->driver->get_vblank_timestamp) = mdp5_get_vblank_timestamp; -+ const_cast(dev->driver->get_scanout_position) = mdp5_get_scanoutpos; -+ const_cast(dev->driver->get_vblank_counter) = mdp5_get_vblank_counter; -+ pax_close_kernel(); -+ - dev->max_vblank_count = 0xffffffff; - dev->vblank_disable_immediate = true; - -diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c -index 193573d..3f62e53 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_acpi.c -+++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c -@@ -194,7 +194,7 @@ static int nouveau_dsm_power_state(enum vga_switcheroo_client_id id, - return nouveau_dsm_set_discrete_state(nouveau_dsm_priv.dhandle, state); - } - --static int nouveau_dsm_get_client_id(struct pci_dev *pdev) -+static enum vga_switcheroo_client_id nouveau_dsm_get_client_id(struct pci_dev *pdev) - { - /* easy option one - intel vendor ID means Integrated */ - if (pdev->vendor == PCI_VENDOR_ID_INTEL) -diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c -index 23ffe85..f87a82d 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_bios.c -+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c -@@ -967,7 +967,7 @@ static int parse_bit_tmds_tbl_entry(struct drm_device *dev, struct nvbios *bios, - struct bit_table { - const char id; - int (* const parse_fn)(struct drm_device *, struct nvbios *, struct bit_entry *); --}; -+} __no_const; - - #define BIT_TABLE(id, funcid) ((struct bit_table){ id, parse_bit_##funcid##_tbl_entry }) - -diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c -index c108408..575750a 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_connector.c -+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c -@@ -862,7 +862,7 @@ get_tmds_link_bandwidth(struct drm_connector *connector, bool hdmi) - return 112000; - } - --static int -+static enum drm_mode_status - nouveau_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { -diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c -index 3100fd88..6d573f7 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_drm.c -+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c -@@ -80,9 +80,8 @@ MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1 - int nouveau_runtime_pm = -1; - module_param_named(runpm, nouveau_runtime_pm, int, 0400); - --static struct drm_driver driver_stub; - static struct drm_driver driver_pci; --static struct drm_driver driver_platform; -+static drm_driver_no_const driver_platform __read_only; - - static u64 - nouveau_pci_name(struct pci_dev *pdev) -@@ -942,7 +941,7 @@ nouveau_driver_fops = { - }; - - static struct drm_driver --driver_stub = { -+driver_pci = { - .driver_features = - DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER | - DRIVER_KMS_LEGACY_CONTEXT, -@@ -954,6 +953,8 @@ driver_stub = { - .postclose = nouveau_drm_postclose, - .lastclose = nouveau_vga_lastclose, - -+ .set_busid = drm_pci_set_busid, -+ - #if defined(CONFIG_DEBUG_FS) - .debugfs_init = nouveau_drm_debugfs_init, - .debugfs_cleanup = nouveau_drm_debugfs_cleanup, -@@ -1086,9 +1087,10 @@ nouveau_platform_device_create(const struct nvkm_device_tegra_func *func, - static int __init - nouveau_drm_init(void) - { -- driver_pci = driver_stub; -- driver_pci.set_busid = drm_pci_set_busid; -- driver_platform = driver_stub; -+ pax_open_kernel(); -+ driver_platform = driver_pci; -+ driver_platform.set_busid = NULL; -+ pax_close_kernel(); - - nouveau_display_options(); - -diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h -index 822a021..a131e66 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_drv.h -+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h -@@ -124,7 +124,6 @@ struct nouveau_drm { - struct drm_global_reference mem_global_ref; - struct ttm_bo_global_ref bo_global_ref; - struct ttm_bo_device bdev; -- atomic_t validate_sequence; - int (*move)(struct nouveau_channel *, - struct ttm_buffer_object *, - struct ttm_mem_reg *, struct ttm_mem_reg *); -diff --git a/drivers/gpu/drm/nouveau/nouveau_ioc32.c b/drivers/gpu/drm/nouveau/nouveau_ioc32.c -index 462679a..88e32a7 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_ioc32.c -+++ b/drivers/gpu/drm/nouveau/nouveau_ioc32.c -@@ -50,7 +50,7 @@ long nouveau_compat_ioctl(struct file *filp, unsigned int cmd, - unsigned long arg) - { - unsigned int nr = DRM_IOCTL_NR(cmd); -- drm_ioctl_compat_t *fn = NULL; -+ drm_ioctl_compat_t fn = NULL; - int ret; - - if (nr < DRM_COMMAND_BASE) -diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c -index a6dbe82..ec4668a 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_ttm.c -+++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c -@@ -107,10 +107,10 @@ nouveau_vram_manager_new(struct ttm_mem_type_manager *man, - } - - const struct ttm_mem_type_manager_func nouveau_vram_manager = { -- nouveau_vram_manager_init, -- nouveau_vram_manager_fini, -- nouveau_vram_manager_new, -- nouveau_vram_manager_del, -+ .init = nouveau_vram_manager_init, -+ .takedown = nouveau_vram_manager_fini, -+ .get_node = nouveau_vram_manager_new, -+ .put_node = nouveau_vram_manager_del, - }; - - static int -@@ -184,11 +184,11 @@ nouveau_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) - } - - const struct ttm_mem_type_manager_func nouveau_gart_manager = { -- nouveau_gart_manager_init, -- nouveau_gart_manager_fini, -- nouveau_gart_manager_new, -- nouveau_gart_manager_del, -- nouveau_gart_manager_debug -+ .init = nouveau_gart_manager_init, -+ .takedown = nouveau_gart_manager_fini, -+ .get_node = nouveau_gart_manager_new, -+ .put_node = nouveau_gart_manager_del, -+ .debug = nouveau_gart_manager_debug - }; - - /*XXX*/ -@@ -257,11 +257,11 @@ nv04_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) - } - - const struct ttm_mem_type_manager_func nv04_gart_manager = { -- nv04_gart_manager_init, -- nv04_gart_manager_fini, -- nv04_gart_manager_new, -- nv04_gart_manager_del, -- nv04_gart_manager_debug -+ .init = nv04_gart_manager_init, -+ .takedown = nv04_gart_manager_fini, -+ .get_node = nv04_gart_manager_new, -+ .put_node = nv04_gart_manager_del, -+ .debug = nv04_gart_manager_debug - }; - - int -diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.c b/drivers/gpu/drm/nouveau/nouveau_vga.c -index c6a180a..c5c7855 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_vga.c -+++ b/drivers/gpu/drm/nouveau/nouveau_vga.c -@@ -73,7 +73,7 @@ nouveau_switcheroo_can_switch(struct pci_dev *pdev) - * locking inversion with the driver load path. And the access here is - * completely racy anyway. So don't bother with locking for now. - */ -- return dev->open_count == 0; -+ return local_read(&dev->open_count) == 0; - } - - static const struct vga_switcheroo_client_ops -diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c -index 7deb81b..bb22bc2 100644 ---- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c -+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c -@@ -154,11 +154,16 @@ shadow_fw_init(struct nvkm_bios *bios, const char *name) - return (void *)fw; - } - -+static void shadow_fw_fini(void *fw) -+{ -+ release_firmware(fw); -+} -+ - static const struct nvbios_source - shadow_fw = { - .name = "firmware", - .init = shadow_fw_init, -- .fini = (void(*)(void *))release_firmware, -+ .fini = shadow_fw_fini, - .read = shadow_fw_read, - .rw = false, - }; -diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowpci.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowpci.c -index 9b91da0..b3fa90d 100644 ---- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowpci.c -+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowpci.c -@@ -111,11 +111,16 @@ platform_init(struct nvkm_bios *bios, const char *name) - return ERR_PTR(ret); - } - -+static void platform_fini(void *data) -+{ -+ kfree(data); -+} -+ - const struct nvbios_source - nvbios_platform = { - .name = "PLATFORM", - .init = platform_init, -- .fini = (void(*)(void *))kfree, -+ .fini = platform_fini, - .read = pcirom_read, - .rw = true, - }; -diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/priv.h -index a9a8a0e..2ad6d62 100644 ---- a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/priv.h -+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/priv.h -@@ -226,8 +226,8 @@ struct gm200_secboot_func { - - int gm200_secboot_init(struct nvkm_secboot *); - void *gm200_secboot_dtor(struct nvkm_secboot *); --int gm200_secboot_reset(struct nvkm_secboot *, u32); --int gm200_secboot_start(struct nvkm_secboot *, u32); -+int gm200_secboot_reset(struct nvkm_secboot *, enum nvkm_secboot_falcon); -+int gm200_secboot_start(struct nvkm_secboot *, enum nvkm_secboot_falcon); - - int gm20x_secboot_prepare_blobs(struct gm200_secboot *); - -diff --git a/drivers/gpu/drm/omapdrm/dss/display.c b/drivers/gpu/drm/omapdrm/dss/display.c -index 8dcdd7c..0e37527 100644 ---- a/drivers/gpu/drm/omapdrm/dss/display.c -+++ b/drivers/gpu/drm/omapdrm/dss/display.c -@@ -112,12 +112,14 @@ int omapdss_register_display(struct omap_dss_device *dssdev) - if (dssdev->name == NULL) - dssdev->name = dssdev->alias; - -+ pax_open_kernel(); - if (drv && drv->get_resolution == NULL) -- drv->get_resolution = omapdss_default_get_resolution; -+ const_cast(drv->get_resolution) = omapdss_default_get_resolution; - if (drv && drv->get_recommended_bpp == NULL) -- drv->get_recommended_bpp = omapdss_default_get_recommended_bpp; -+ const_cast(drv->get_recommended_bpp) = omapdss_default_get_recommended_bpp; - if (drv && drv->get_timings == NULL) -- drv->get_timings = omapdss_default_get_timings; -+ const_cast(drv->get_timings) = omapdss_default_get_timings; -+ pax_close_kernel(); - - mutex_lock(&panel_list_mutex); - list_add_tail(&dssdev->panel_list, &panel_list); -diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c -index 137fe69..bbfc18c 100644 ---- a/drivers/gpu/drm/omapdrm/omap_connector.c -+++ b/drivers/gpu/drm/omapdrm/omap_connector.c -@@ -201,7 +201,7 @@ static int omap_connector_get_modes(struct drm_connector *connector) - return n; - } - --static int omap_connector_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status omap_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct omap_connector *omap_connector = to_omap_connector(connector); -diff --git a/drivers/gpu/drm/qxl/qxl_cmd.c b/drivers/gpu/drm/qxl/qxl_cmd.c -index 04270f5..7688e90 100644 ---- a/drivers/gpu/drm/qxl/qxl_cmd.c -+++ b/drivers/gpu/drm/qxl/qxl_cmd.c -@@ -285,27 +285,27 @@ static int wait_for_io_cmd_user(struct qxl_device *qdev, uint8_t val, long port, - int ret; - - mutex_lock(&qdev->async_io_mutex); -- irq_num = atomic_read(&qdev->irq_received_io_cmd); -+ irq_num = atomic_read_unchecked(&qdev->irq_received_io_cmd); - if (qdev->last_sent_io_cmd > irq_num) { - if (intr) - ret = wait_event_interruptible_timeout(qdev->io_cmd_event, -- atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); -+ atomic_read_unchecked(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); - else - ret = wait_event_timeout(qdev->io_cmd_event, -- atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); -+ atomic_read_unchecked(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); - /* 0 is timeout, just bail the "hw" has gone away */ - if (ret <= 0) - goto out; -- irq_num = atomic_read(&qdev->irq_received_io_cmd); -+ irq_num = atomic_read_unchecked(&qdev->irq_received_io_cmd); - } - outb(val, addr); - qdev->last_sent_io_cmd = irq_num + 1; - if (intr) - ret = wait_event_interruptible_timeout(qdev->io_cmd_event, -- atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); -+ atomic_read_unchecked(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); - else - ret = wait_event_timeout(qdev->io_cmd_event, -- atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); -+ atomic_read_unchecked(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); - out: - if (ret > 0) - ret = 0; -diff --git a/drivers/gpu/drm/qxl/qxl_debugfs.c b/drivers/gpu/drm/qxl/qxl_debugfs.c -index 6911b8c..89d6867 100644 ---- a/drivers/gpu/drm/qxl/qxl_debugfs.c -+++ b/drivers/gpu/drm/qxl/qxl_debugfs.c -@@ -42,10 +42,10 @@ qxl_debugfs_irq_received(struct seq_file *m, void *data) - struct drm_info_node *node = (struct drm_info_node *) m->private; - struct qxl_device *qdev = node->minor->dev->dev_private; - -- seq_printf(m, "%d\n", atomic_read(&qdev->irq_received)); -- seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_display)); -- seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_cursor)); -- seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_io_cmd)); -+ seq_printf(m, "%d\n", atomic_read_unchecked(&qdev->irq_received)); -+ seq_printf(m, "%d\n", atomic_read_unchecked(&qdev->irq_received_display)); -+ seq_printf(m, "%d\n", atomic_read_unchecked(&qdev->irq_received_cursor)); -+ seq_printf(m, "%d\n", atomic_read_unchecked(&qdev->irq_received_io_cmd)); - seq_printf(m, "%d\n", qdev->irq_received_error); - return 0; - } -diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c -index a61c0d4..fab7be1 100644 ---- a/drivers/gpu/drm/qxl/qxl_display.c -+++ b/drivers/gpu/drm/qxl/qxl_display.c -@@ -880,7 +880,7 @@ static int qxl_conn_get_modes(struct drm_connector *connector) - return ret; - } - --static int qxl_conn_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status qxl_conn_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct drm_device *ddev = connector->dev; -diff --git a/drivers/gpu/drm/qxl/qxl_drv.c b/drivers/gpu/drm/qxl/qxl_drv.c -index 460bbce..abeb896 100644 ---- a/drivers/gpu/drm/qxl/qxl_drv.c -+++ b/drivers/gpu/drm/qxl/qxl_drv.c -@@ -37,7 +37,7 @@ - #include "qxl_drv.h" - #include "qxl_object.h" - --extern int qxl_max_ioctls; -+extern const int qxl_max_ioctls; - static const struct pci_device_id pciidlist[] = { - { 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, - 0xffff00, 0 }, -@@ -277,7 +277,11 @@ static int __init qxl_init(void) - - if (qxl_modeset == 0) - return -EINVAL; -- qxl_driver.num_ioctls = qxl_max_ioctls; -+ -+ pax_open_kernel(); -+ const_cast(qxl_driver.num_ioctls) = qxl_max_ioctls; -+ pax_close_kernel(); -+ - return drm_pci_init(&qxl_driver, &qxl_pci_driver); - } - -diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h -index 5f3e5ad..a9e5887 100644 ---- a/drivers/gpu/drm/qxl/qxl_drv.h -+++ b/drivers/gpu/drm/qxl/qxl_drv.h -@@ -293,10 +293,10 @@ struct qxl_device { - unsigned int last_sent_io_cmd; - - /* interrupt handling */ -- atomic_t irq_received; -- atomic_t irq_received_display; -- atomic_t irq_received_cursor; -- atomic_t irq_received_io_cmd; -+ atomic_unchecked_t irq_received; -+ atomic_unchecked_t irq_received_display; -+ atomic_unchecked_t irq_received_cursor; -+ atomic_unchecked_t irq_received_io_cmd; - unsigned irq_received_error; - wait_queue_head_t display_event; - wait_queue_head_t cursor_event; -diff --git a/drivers/gpu/drm/qxl/qxl_ioctl.c b/drivers/gpu/drm/qxl/qxl_ioctl.c -index 5a4c8c4..faf4c73 100644 ---- a/drivers/gpu/drm/qxl/qxl_ioctl.c -+++ b/drivers/gpu/drm/qxl/qxl_ioctl.c -@@ -183,7 +183,7 @@ static int qxl_process_single_command(struct qxl_device *qdev, - - /* TODO copy slow path code from i915 */ - fb_cmd = qxl_bo_kmap_atomic_page(qdev, cmd_bo, (release->release_offset & PAGE_SIZE)); -- unwritten = __copy_from_user_inatomic_nocache(fb_cmd + sizeof(union qxl_release_info) + (release->release_offset & ~PAGE_SIZE), (void *)(unsigned long)cmd->command, cmd->command_size); -+ unwritten = __copy_from_user_inatomic_nocache(fb_cmd + sizeof(union qxl_release_info) + (release->release_offset & ~PAGE_SIZE), (void __force_user *)(unsigned long)cmd->command, cmd->command_size); - - { - struct qxl_drawable *draw = fb_cmd; -@@ -203,7 +203,7 @@ static int qxl_process_single_command(struct qxl_device *qdev, - struct drm_qxl_reloc reloc; - - if (copy_from_user(&reloc, -- &((struct drm_qxl_reloc *)(uintptr_t)cmd->relocs)[i], -+ &((struct drm_qxl_reloc __force_user *)(uintptr_t)cmd->relocs)[i], - sizeof(reloc))) { - ret = -EFAULT; - goto out_free_bos; -@@ -282,10 +282,10 @@ static int qxl_execbuffer_ioctl(struct drm_device *dev, void *data, - - for (cmd_num = 0; cmd_num < execbuffer->commands_num; ++cmd_num) { - -- struct drm_qxl_command *commands = -- (struct drm_qxl_command *)(uintptr_t)execbuffer->commands; -+ struct drm_qxl_command __user *commands = -+ (struct drm_qxl_command __user *)(uintptr_t)execbuffer->commands; - -- if (copy_from_user(&user_cmd, &commands[cmd_num], -+ if (copy_from_user(&user_cmd, (struct drm_qxl_command __force_user *)&commands[cmd_num], - sizeof(user_cmd))) - return -EFAULT; - -@@ -439,4 +439,4 @@ const struct drm_ioctl_desc qxl_ioctls[] = { - DRM_AUTH), - }; - --int qxl_max_ioctls = ARRAY_SIZE(qxl_ioctls); -+const int qxl_max_ioctls = ARRAY_SIZE(qxl_ioctls); -diff --git a/drivers/gpu/drm/qxl/qxl_irq.c b/drivers/gpu/drm/qxl/qxl_irq.c -index 0bf1e20..42a7310 100644 ---- a/drivers/gpu/drm/qxl/qxl_irq.c -+++ b/drivers/gpu/drm/qxl/qxl_irq.c -@@ -36,19 +36,19 @@ irqreturn_t qxl_irq_handler(int irq, void *arg) - if (!pending) - return IRQ_NONE; - -- atomic_inc(&qdev->irq_received); -+ atomic_inc_unchecked(&qdev->irq_received); - - if (pending & QXL_INTERRUPT_DISPLAY) { -- atomic_inc(&qdev->irq_received_display); -+ atomic_inc_unchecked(&qdev->irq_received_display); - wake_up_all(&qdev->display_event); - qxl_queue_garbage_collect(qdev, false); - } - if (pending & QXL_INTERRUPT_CURSOR) { -- atomic_inc(&qdev->irq_received_cursor); -+ atomic_inc_unchecked(&qdev->irq_received_cursor); - wake_up_all(&qdev->cursor_event); - } - if (pending & QXL_INTERRUPT_IO_CMD) { -- atomic_inc(&qdev->irq_received_io_cmd); -+ atomic_inc_unchecked(&qdev->irq_received_io_cmd); - wake_up_all(&qdev->io_cmd_event); - } - if (pending & QXL_INTERRUPT_ERROR) { -@@ -85,10 +85,10 @@ int qxl_irq_init(struct qxl_device *qdev) - init_waitqueue_head(&qdev->io_cmd_event); - INIT_WORK(&qdev->client_monitors_config_work, - qxl_client_monitors_config_work_func); -- atomic_set(&qdev->irq_received, 0); -- atomic_set(&qdev->irq_received_display, 0); -- atomic_set(&qdev->irq_received_cursor, 0); -- atomic_set(&qdev->irq_received_io_cmd, 0); -+ atomic_set_unchecked(&qdev->irq_received, 0); -+ atomic_set_unchecked(&qdev->irq_received_display, 0); -+ atomic_set_unchecked(&qdev->irq_received_cursor, 0); -+ atomic_set_unchecked(&qdev->irq_received_io_cmd, 0); - qdev->irq_received_error = 0; - ret = drm_irq_install(qdev->ddev, qdev->ddev->pdev->irq); - qdev->ram_header->int_mask = QXL_INTERRUPT_MASK; -diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c -index e26c82d..7151ace 100644 ---- a/drivers/gpu/drm/qxl/qxl_ttm.c -+++ b/drivers/gpu/drm/qxl/qxl_ttm.c -@@ -103,7 +103,7 @@ static void qxl_ttm_global_fini(struct qxl_device *qdev) - } - } - --static struct vm_operations_struct qxl_ttm_vm_ops; -+static vm_operations_struct_no_const qxl_ttm_vm_ops __read_only; - static const struct vm_operations_struct *ttm_vm_ops; - - static int qxl_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -@@ -145,8 +145,10 @@ int qxl_mmap(struct file *filp, struct vm_area_struct *vma) - return r; - if (unlikely(ttm_vm_ops == NULL)) { - ttm_vm_ops = vma->vm_ops; -+ pax_open_kernel(); - qxl_ttm_vm_ops = *ttm_vm_ops; - qxl_ttm_vm_ops.fault = &qxl_ttm_fault; -+ pax_close_kernel(); - } - vma->vm_ops = &qxl_ttm_vm_ops; - return 0; -@@ -475,25 +477,23 @@ static int qxl_mm_dump_table(struct seq_file *m, void *data) - static int qxl_ttm_debugfs_init(struct qxl_device *qdev) - { - #if defined(CONFIG_DEBUG_FS) -- static struct drm_info_list qxl_mem_types_list[QXL_DEBUGFS_MEM_TYPES]; -- static char qxl_mem_types_names[QXL_DEBUGFS_MEM_TYPES][32]; -- unsigned i; -+ static struct drm_info_list qxl_mem_types_list[QXL_DEBUGFS_MEM_TYPES] = { -+ { -+ .name = "qxl_mem_mm", -+ .show = &qxl_mm_dump_table, -+ }, -+ { -+ .name = "qxl_surf_mm", -+ .show = &qxl_mm_dump_table, -+ } -+ }; - -- for (i = 0; i < QXL_DEBUGFS_MEM_TYPES; i++) { -- if (i == 0) -- sprintf(qxl_mem_types_names[i], "qxl_mem_mm"); -- else -- sprintf(qxl_mem_types_names[i], "qxl_surf_mm"); -- qxl_mem_types_list[i].name = qxl_mem_types_names[i]; -- qxl_mem_types_list[i].show = &qxl_mm_dump_table; -- qxl_mem_types_list[i].driver_features = 0; -- if (i == 0) -- qxl_mem_types_list[i].data = qdev->mman.bdev.man[TTM_PL_VRAM].priv; -- else -- qxl_mem_types_list[i].data = qdev->mman.bdev.man[TTM_PL_PRIV].priv; -+ pax_open_kernel(); -+ const_cast(qxl_mem_types_list[0].data) = qdev->mman.bdev.man[TTM_PL_VRAM].priv; -+ const_cast(qxl_mem_types_list[1].data) = qdev->mman.bdev.man[TTM_PL_PRIV].priv; -+ pax_close_kernel(); - -- } -- return qxl_debugfs_add_files(qdev, qxl_mem_types_list, i); -+ return qxl_debugfs_add_files(qdev, qxl_mem_types_list, QXL_DEBUGFS_MEM_TYPES); - #else - return 0; - #endif -diff --git a/drivers/gpu/drm/r128/r128_cce.c b/drivers/gpu/drm/r128/r128_cce.c -index 14fd83b5f..b2acbd19 100644 ---- a/drivers/gpu/drm/r128/r128_cce.c -+++ b/drivers/gpu/drm/r128/r128_cce.c -@@ -377,7 +377,7 @@ static int r128_do_init_cce(struct drm_device *dev, drm_r128_init_t *init) - - /* GH: Simple idle check. - */ -- atomic_set(&dev_priv->idle_count, 0); -+ atomic_set_unchecked(&dev_priv->idle_count, 0); - - /* We don't support anything other than bus-mastering ring mode, - * but the ring can be in either AGP or PCI space for the ring -diff --git a/drivers/gpu/drm/r128/r128_drv.c b/drivers/gpu/drm/r128/r128_drv.c -index a982be5..a6f2cf8 100644 ---- a/drivers/gpu/drm/r128/r128_drv.c -+++ b/drivers/gpu/drm/r128/r128_drv.c -@@ -94,7 +94,9 @@ static struct pci_driver r128_pci_driver = { - - static int __init r128_init(void) - { -- driver.num_ioctls = r128_max_ioctl; -+ pax_open_kernel(); -+ const_cast(driver.num_ioctls) = r128_max_ioctl; -+ pax_close_kernel(); - - return drm_pci_init(&driver, &r128_pci_driver); - } -diff --git a/drivers/gpu/drm/r128/r128_drv.h b/drivers/gpu/drm/r128/r128_drv.h -index 09143b8..86c8394 100644 ---- a/drivers/gpu/drm/r128/r128_drv.h -+++ b/drivers/gpu/drm/r128/r128_drv.h -@@ -93,14 +93,14 @@ typedef struct drm_r128_private { - int is_pci; - unsigned long cce_buffers_offset; - -- atomic_t idle_count; -+ atomic_unchecked_t idle_count; - - int page_flipping; - int current_page; - u32 crtc_offset; - u32 crtc_offset_cntl; - -- atomic_t vbl_received; -+ atomic_unchecked_t vbl_received; - - u32 color_fmt; - unsigned int front_offset; -@@ -135,7 +135,7 @@ typedef struct drm_r128_buf_priv { - } drm_r128_buf_priv_t; - - extern const struct drm_ioctl_desc r128_ioctls[]; --extern int r128_max_ioctl; -+extern const int r128_max_ioctl; - - /* r128_cce.c */ - extern int r128_cce_init(struct drm_device *dev, void *data, struct drm_file *file_priv); -diff --git a/drivers/gpu/drm/r128/r128_ioc32.c b/drivers/gpu/drm/r128/r128_ioc32.c -index 663f38c..ec159a1 100644 ---- a/drivers/gpu/drm/r128/r128_ioc32.c -+++ b/drivers/gpu/drm/r128/r128_ioc32.c -@@ -178,7 +178,7 @@ static int compat_r128_getparam(struct file *file, unsigned int cmd, - return drm_ioctl(file, DRM_IOCTL_R128_GETPARAM, (unsigned long)getparam); - } - --drm_ioctl_compat_t *r128_compat_ioctls[] = { -+drm_ioctl_compat_t r128_compat_ioctls[] = { - [DRM_R128_INIT] = compat_r128_init, - [DRM_R128_DEPTH] = compat_r128_depth, - [DRM_R128_STIPPLE] = compat_r128_stipple, -@@ -197,17 +197,13 @@ drm_ioctl_compat_t *r128_compat_ioctls[] = { - long r128_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) - { - unsigned int nr = DRM_IOCTL_NR(cmd); -- drm_ioctl_compat_t *fn = NULL; - int ret; - - if (nr < DRM_COMMAND_BASE) - return drm_compat_ioctl(filp, cmd, arg); - -- if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(r128_compat_ioctls)) -- fn = r128_compat_ioctls[nr - DRM_COMMAND_BASE]; -- -- if (fn != NULL) -- ret = (*fn) (filp, cmd, arg); -+ if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(r128_compat_ioctls) && r128_compat_ioctls[nr - DRM_COMMAND_BASE]) -+ ret = (*r128_compat_ioctls[nr - DRM_COMMAND_BASE]) (filp, cmd, arg); - else - ret = drm_ioctl(filp, cmd, arg); - -diff --git a/drivers/gpu/drm/r128/r128_irq.c b/drivers/gpu/drm/r128/r128_irq.c -index 9730f49..920e9bf 100644 ---- a/drivers/gpu/drm/r128/r128_irq.c -+++ b/drivers/gpu/drm/r128/r128_irq.c -@@ -41,7 +41,7 @@ u32 r128_get_vblank_counter(struct drm_device *dev, unsigned int pipe) - if (pipe != 0) - return 0; - -- return atomic_read(&dev_priv->vbl_received); -+ return atomic_read_unchecked(&dev_priv->vbl_received); - } - - irqreturn_t r128_driver_irq_handler(int irq, void *arg) -@@ -55,7 +55,7 @@ irqreturn_t r128_driver_irq_handler(int irq, void *arg) - /* VBLANK interrupt */ - if (status & R128_CRTC_VBLANK_INT) { - R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK); -- atomic_inc(&dev_priv->vbl_received); -+ atomic_inc_unchecked(&dev_priv->vbl_received); - drm_handle_vblank(dev, 0); - return IRQ_HANDLED; - } -diff --git a/drivers/gpu/drm/r128/r128_state.c b/drivers/gpu/drm/r128/r128_state.c -index 8fd2d9f..4e99166 100644 ---- a/drivers/gpu/drm/r128/r128_state.c -+++ b/drivers/gpu/drm/r128/r128_state.c -@@ -320,10 +320,10 @@ static void r128_clear_box(drm_r128_private_t *dev_priv, - - static void r128_cce_performance_boxes(drm_r128_private_t *dev_priv) - { -- if (atomic_read(&dev_priv->idle_count) == 0) -+ if (atomic_read_unchecked(&dev_priv->idle_count) == 0) - r128_clear_box(dev_priv, 64, 4, 8, 8, 0, 255, 0); - else -- atomic_set(&dev_priv->idle_count, 0); -+ atomic_set_unchecked(&dev_priv->idle_count, 0); - } - - #endif -@@ -1641,4 +1641,4 @@ const struct drm_ioctl_desc r128_ioctls[] = { - DRM_IOCTL_DEF_DRV(R128_GETPARAM, r128_getparam, DRM_AUTH), - }; - --int r128_max_ioctl = ARRAY_SIZE(r128_ioctls); -+const int r128_max_ioctl = ARRAY_SIZE(r128_ioctls); -diff --git a/drivers/gpu/drm/radeon/mkregtable.c b/drivers/gpu/drm/radeon/mkregtable.c -index b928c17..e5d9400 100644 ---- a/drivers/gpu/drm/radeon/mkregtable.c -+++ b/drivers/gpu/drm/radeon/mkregtable.c -@@ -624,14 +624,14 @@ static int parser_auth(struct table *t, const char *filename) - regex_t mask_rex; - regmatch_t match[4]; - char buf[1024]; -- size_t end; -+ long end; - int len; - int done = 0; - int r; - unsigned o; - struct offset *offset; - char last_reg_s[10]; -- int last_reg; -+ unsigned long last_reg; - - if (regcomp - (&mask_rex, "(0x[0-9a-fA-F]*) *([_a-zA-Z0-9]*)", REG_EXTENDED)) { -diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c -index 0ae13cd2..7b4245a 100644 ---- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c -+++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c -@@ -526,7 +526,7 @@ static int radeon_atpx_init(void) - * look up whether we are the integrated or discrete GPU (all asics). - * Returns the client id. - */ --static int radeon_atpx_get_client_id(struct pci_dev *pdev) -+static enum vga_switcheroo_client_id radeon_atpx_get_client_id(struct pci_dev *pdev) - { - if (radeon_atpx_priv.dhandle == ACPI_HANDLE(&pdev->dev)) - return VGA_SWITCHEROO_IGD; -diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c -index 27affbd..3f59f83 100644 ---- a/drivers/gpu/drm/radeon/radeon_connectors.c -+++ b/drivers/gpu/drm/radeon/radeon_connectors.c -@@ -857,7 +857,7 @@ static int radeon_lvds_get_modes(struct drm_connector *connector) - return ret; - } - --static int radeon_lvds_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status radeon_lvds_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct drm_encoder *encoder = radeon_best_single_encoder(connector); -@@ -1011,7 +1011,7 @@ static int radeon_vga_get_modes(struct drm_connector *connector) - return ret; - } - --static int radeon_vga_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status radeon_vga_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct drm_device *dev = connector->dev; -@@ -1151,7 +1151,7 @@ static int radeon_tv_get_modes(struct drm_connector *connector) - return 1; - } - --static int radeon_tv_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status radeon_tv_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - if ((mode->hdisplay > 1024) || (mode->vdisplay > 768)) -@@ -1483,7 +1483,7 @@ static void radeon_dvi_force(struct drm_connector *connector) - radeon_connector->use_digital = true; - } - --static int radeon_dvi_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status radeon_dvi_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct drm_device *dev = connector->dev; -@@ -1781,7 +1781,7 @@ radeon_dp_detect(struct drm_connector *connector, bool force) - return ret; - } - --static int radeon_dp_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status radeon_dp_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct drm_device *dev = connector->dev; -diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c -index 621af06..1508b3fc 100644 ---- a/drivers/gpu/drm/radeon/radeon_device.c -+++ b/drivers/gpu/drm/radeon/radeon_device.c -@@ -1289,7 +1289,7 @@ static bool radeon_switcheroo_can_switch(struct pci_dev *pdev) - * locking inversion with the driver load path. And the access here is - * completely racy anyway. So don't bother with locking for now. - */ -- return dev->open_count == 0; -+ return local_read(&dev->open_count) == 0; - } - - static const struct vga_switcheroo_client_ops radeon_switcheroo_ops = { -diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c -index e0c143b..3a7bc79 100644 ---- a/drivers/gpu/drm/radeon/radeon_drv.c -+++ b/drivers/gpu/drm/radeon/radeon_drv.c -@@ -137,7 +137,7 @@ extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, unsigned int crtc, - const struct drm_display_mode *mode); - extern bool radeon_is_px(struct drm_device *dev); - extern const struct drm_ioctl_desc radeon_ioctls_kms[]; --extern int radeon_max_kms_ioctl; -+extern const int radeon_max_kms_ioctl; - int radeon_mmap(struct file *filp, struct vm_area_struct *vma); - int radeon_mode_dumb_mmap(struct drm_file *filp, - struct drm_device *dev, -@@ -534,7 +534,7 @@ static struct drm_driver kms_driver = { - .driver_features = - DRIVER_USE_AGP | - DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM | -- DRIVER_PRIME | DRIVER_RENDER, -+ DRIVER_PRIME | DRIVER_RENDER | DRIVER_MODESET, - .load = radeon_driver_load_kms, - .open = radeon_driver_open_kms, - .preclose = radeon_driver_preclose_kms, -@@ -606,8 +606,11 @@ static int __init radeon_init(void) - DRM_INFO("radeon kernel modesetting enabled.\n"); - driver = &kms_driver; - pdriver = &radeon_kms_pci_driver; -- driver->driver_features |= DRIVER_MODESET; -- driver->num_ioctls = radeon_max_kms_ioctl; -+ -+ pax_open_kernel(); -+ const_cast(driver->num_ioctls) = radeon_max_kms_ioctl; -+ pax_close_kernel(); -+ - radeon_register_atpx_handler(); - - } else { -diff --git a/drivers/gpu/drm/radeon/radeon_ioc32.c b/drivers/gpu/drm/radeon/radeon_ioc32.c -index 0b98ea1..a3c770f 100644 ---- a/drivers/gpu/drm/radeon/radeon_ioc32.c -+++ b/drivers/gpu/drm/radeon/radeon_ioc32.c -@@ -358,7 +358,7 @@ static int compat_radeon_cp_setparam(struct file *file, unsigned int cmd, - request = compat_alloc_user_space(sizeof(*request)); - if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) - || __put_user(req32.param, &request->param) -- || __put_user((void __user *)(unsigned long)req32.value, -+ || __put_user((unsigned long)req32.value, - &request->value)) - return -EFAULT; - -@@ -368,7 +368,7 @@ static int compat_radeon_cp_setparam(struct file *file, unsigned int cmd, - #define compat_radeon_cp_setparam NULL - #endif /* X86_64 || IA64 */ - --static drm_ioctl_compat_t *radeon_compat_ioctls[] = { -+static drm_ioctl_compat_t radeon_compat_ioctls[] = { - [DRM_RADEON_CP_INIT] = compat_radeon_cp_init, - [DRM_RADEON_CLEAR] = compat_radeon_cp_clear, - [DRM_RADEON_STIPPLE] = compat_radeon_cp_stipple, -@@ -393,17 +393,13 @@ static drm_ioctl_compat_t *radeon_compat_ioctls[] = { - long radeon_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) - { - unsigned int nr = DRM_IOCTL_NR(cmd); -- drm_ioctl_compat_t *fn = NULL; - int ret; - - if (nr < DRM_COMMAND_BASE) - return drm_compat_ioctl(filp, cmd, arg); - -- if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(radeon_compat_ioctls)) -- fn = radeon_compat_ioctls[nr - DRM_COMMAND_BASE]; -- -- if (fn != NULL) -- ret = (*fn) (filp, cmd, arg); -+ if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(radeon_compat_ioctls) && radeon_compat_ioctls[nr - DRM_COMMAND_BASE]) -+ ret = (*radeon_compat_ioctls[nr - DRM_COMMAND_BASE]) (filp, cmd, arg); - else - ret = drm_ioctl(filp, cmd, arg); - -diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c -index 4388dde..07a718c 100644 ---- a/drivers/gpu/drm/radeon/radeon_kms.c -+++ b/drivers/gpu/drm/radeon/radeon_kms.c -@@ -830,7 +830,7 @@ u32 radeon_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe) - * Enable the interrupt on the requested crtc (all asics). - * Returns 0 on success, -EINVAL on failure. - */ --int radeon_enable_vblank_kms(struct drm_device *dev, int crtc) -+int radeon_enable_vblank_kms(struct drm_device *dev, unsigned int crtc) - { - struct radeon_device *rdev = dev->dev_private; - unsigned long irqflags; -@@ -856,7 +856,7 @@ int radeon_enable_vblank_kms(struct drm_device *dev, int crtc) - * - * Disable the interrupt on the requested crtc (all asics). - */ --void radeon_disable_vblank_kms(struct drm_device *dev, int crtc) -+void radeon_disable_vblank_kms(struct drm_device *dev, unsigned int crtc) - { - struct radeon_device *rdev = dev->dev_private; - unsigned long irqflags; -@@ -885,7 +885,7 @@ void radeon_disable_vblank_kms(struct drm_device *dev, int crtc) - * scanout position. (all asics). - * Returns postive status flags on success, negative error on failure. - */ --int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc, -+int radeon_get_vblank_timestamp_kms(struct drm_device *dev, unsigned int crtc, - int *max_error, - struct timeval *vblank_time, - unsigned flags) -@@ -954,4 +954,4 @@ const struct drm_ioctl_desc radeon_ioctls_kms[] = { - DRM_IOCTL_DEF_DRV(RADEON_GEM_OP, radeon_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), - DRM_IOCTL_DEF_DRV(RADEON_GEM_USERPTR, radeon_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), - }; --int radeon_max_kms_ioctl = ARRAY_SIZE(radeon_ioctls_kms); -+const int radeon_max_kms_ioctl = ARRAY_SIZE(radeon_ioctls_kms); -diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c -index 4ce04e0..db71634 100644 ---- a/drivers/gpu/drm/radeon/radeon_ttm.c -+++ b/drivers/gpu/drm/radeon/radeon_ttm.c -@@ -975,7 +975,7 @@ void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size) - man->size = size >> PAGE_SHIFT; - } - --static struct vm_operations_struct radeon_ttm_vm_ops; -+static vm_operations_struct_no_const radeon_ttm_vm_ops __read_only; - static const struct vm_operations_struct *ttm_vm_ops = NULL; - - static int radeon_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -@@ -1016,8 +1016,10 @@ int radeon_mmap(struct file *filp, struct vm_area_struct *vma) - } - if (unlikely(ttm_vm_ops == NULL)) { - ttm_vm_ops = vma->vm_ops; -+ pax_open_kernel(); - radeon_ttm_vm_ops = *ttm_vm_ops; - radeon_ttm_vm_ops.fault = &radeon_ttm_fault; -+ pax_close_kernel(); - } - vma->vm_ops = &radeon_ttm_vm_ops; - return 0; -diff --git a/drivers/gpu/drm/savage/savage_bci.c b/drivers/gpu/drm/savage/savage_bci.c -index d47dff9..0752202 100644 ---- a/drivers/gpu/drm/savage/savage_bci.c -+++ b/drivers/gpu/drm/savage/savage_bci.c -@@ -1080,4 +1080,4 @@ const struct drm_ioctl_desc savage_ioctls[] = { - DRM_IOCTL_DEF_DRV(SAVAGE_BCI_EVENT_WAIT, savage_bci_event_wait, DRM_AUTH), - }; - --int savage_max_ioctl = ARRAY_SIZE(savage_ioctls); -+const int savage_max_ioctl = ARRAY_SIZE(savage_ioctls); -diff --git a/drivers/gpu/drm/savage/savage_drv.c b/drivers/gpu/drm/savage/savage_drv.c -index 3b80713..472b2cd 100644 ---- a/drivers/gpu/drm/savage/savage_drv.c -+++ b/drivers/gpu/drm/savage/savage_drv.c -@@ -76,7 +76,10 @@ static struct pci_driver savage_pci_driver = { - - static int __init savage_init(void) - { -- driver.num_ioctls = savage_max_ioctl; -+ pax_open_kernel(); -+ const_cast(driver.num_ioctls) = savage_max_ioctl; -+ pax_close_kernel(); -+ - return drm_pci_init(&driver, &savage_pci_driver); - } - -diff --git a/drivers/gpu/drm/savage/savage_drv.h b/drivers/gpu/drm/savage/savage_drv.h -index 37b6995..9b31aaf 100644 ---- a/drivers/gpu/drm/savage/savage_drv.h -+++ b/drivers/gpu/drm/savage/savage_drv.h -@@ -107,7 +107,7 @@ enum savage_family { - }; - - extern const struct drm_ioctl_desc savage_ioctls[]; --extern int savage_max_ioctl; -+extern const int savage_max_ioctl; - - #define S3_SAVAGE3D_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE_MX)) - -diff --git a/drivers/gpu/drm/sis/sis_drv.c b/drivers/gpu/drm/sis/sis_drv.c -index ae98398..78e57e8 100644 ---- a/drivers/gpu/drm/sis/sis_drv.c -+++ b/drivers/gpu/drm/sis/sis_drv.c -@@ -128,7 +128,10 @@ static struct pci_driver sis_pci_driver = { - - static int __init sis_init(void) - { -- driver.num_ioctls = sis_max_ioctl; -+ pax_open_kernel(); -+ const_cast(driver.num_ioctls) = sis_max_ioctl; -+ pax_close_kernel(); -+ - return drm_pci_init(&driver, &sis_pci_driver); - } - -diff --git a/drivers/gpu/drm/sis/sis_drv.h b/drivers/gpu/drm/sis/sis_drv.h -index 328f8a7..0cfcf55 100644 ---- a/drivers/gpu/drm/sis/sis_drv.h -+++ b/drivers/gpu/drm/sis/sis_drv.h -@@ -77,6 +77,6 @@ extern void sis_reclaim_buffers_locked(struct drm_device *dev, - extern void sis_lastclose(struct drm_device *dev); - - extern const struct drm_ioctl_desc sis_ioctls[]; --extern int sis_max_ioctl; -+extern const int sis_max_ioctl; - - #endif -diff --git a/drivers/gpu/drm/sis/sis_mm.c b/drivers/gpu/drm/sis/sis_mm.c -index 03defda..6f56b68 100644 ---- a/drivers/gpu/drm/sis/sis_mm.c -+++ b/drivers/gpu/drm/sis/sis_mm.c -@@ -359,4 +359,4 @@ const struct drm_ioctl_desc sis_ioctls[] = { - DRM_IOCTL_DEF_DRV(SIS_FB_INIT, sis_fb_init, DRM_AUTH | DRM_MASTER | DRM_ROOT_ONLY), - }; - --int sis_max_ioctl = ARRAY_SIZE(sis_ioctls); -+const int sis_max_ioctl = ARRAY_SIZE(sis_ioctls); -diff --git a/drivers/gpu/drm/sti/sti_cursor.c b/drivers/gpu/drm/sti/sti_cursor.c -index cca75bd..a1a64de 100644 ---- a/drivers/gpu/drm/sti/sti_cursor.c -+++ b/drivers/gpu/drm/sti/sti_cursor.c -@@ -126,7 +126,7 @@ static int cursor_dbg_show(struct seq_file *s, void *data) - return 0; - } - --static struct drm_info_list cursor_debugfs_files[] = { -+static drm_info_list_no_const cursor_debugfs_files[] __read_only = { - { "cursor", cursor_dbg_show, 0, NULL }, - }; - -@@ -135,8 +135,10 @@ static int cursor_debugfs_init(struct sti_cursor *cursor, - { - unsigned int i; - -+ pax_open_kernel(); - for (i = 0; i < ARRAY_SIZE(cursor_debugfs_files); i++) - cursor_debugfs_files[i].data = cursor; -+ pax_close_kernel(); - - return drm_debugfs_create_files(cursor_debugfs_files, - ARRAY_SIZE(cursor_debugfs_files), -diff --git a/drivers/gpu/drm/sti/sti_dvo.c b/drivers/gpu/drm/sti/sti_dvo.c -index e8c1ed0..b034392 100644 ---- a/drivers/gpu/drm/sti/sti_dvo.c -+++ b/drivers/gpu/drm/sti/sti_dvo.c -@@ -191,7 +191,7 @@ static int dvo_dbg_show(struct seq_file *s, void *data) - return 0; - } - --static struct drm_info_list dvo_debugfs_files[] = { -+static drm_info_list_no_const dvo_debugfs_files[] __read_only = { - { "dvo", dvo_dbg_show, 0, NULL }, - }; - -@@ -206,8 +206,10 @@ static int dvo_debugfs_init(struct sti_dvo *dvo, struct drm_minor *minor) - { - unsigned int i; - -+ pax_open_kernel(); - for (i = 0; i < ARRAY_SIZE(dvo_debugfs_files); i++) - dvo_debugfs_files[i].data = dvo; -+ pax_close_kernel(); - - return drm_debugfs_create_files(dvo_debugfs_files, - ARRAY_SIZE(dvo_debugfs_files), -diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c -index 81df309..ab864fd 100644 ---- a/drivers/gpu/drm/sti/sti_gdp.c -+++ b/drivers/gpu/drm/sti/sti_gdp.c -@@ -284,22 +284,22 @@ static int gdp_node_dbg_show(struct seq_file *s, void *arg) - return 0; - } - --static struct drm_info_list gdp0_debugfs_files[] = { -+static drm_info_list_no_const gdp0_debugfs_files[] __read_only = { - { "gdp0", gdp_dbg_show, 0, NULL }, - { "gdp0_node", gdp_node_dbg_show, 0, NULL }, - }; - --static struct drm_info_list gdp1_debugfs_files[] = { -+static drm_info_list_no_const gdp1_debugfs_files[] __read_only = { - { "gdp1", gdp_dbg_show, 0, NULL }, - { "gdp1_node", gdp_node_dbg_show, 0, NULL }, - }; - --static struct drm_info_list gdp2_debugfs_files[] = { -+static drm_info_list_no_const gdp2_debugfs_files[] __read_only = { - { "gdp2", gdp_dbg_show, 0, NULL }, - { "gdp2_node", gdp_node_dbg_show, 0, NULL }, - }; - --static struct drm_info_list gdp3_debugfs_files[] = { -+static drm_info_list_no_const gdp3_debugfs_files[] __read_only = { - { "gdp3", gdp_dbg_show, 0, NULL }, - { "gdp3_node", gdp_node_dbg_show, 0, NULL }, - }; -@@ -307,7 +307,7 @@ static struct drm_info_list gdp3_debugfs_files[] = { - static int gdp_debugfs_init(struct sti_gdp *gdp, struct drm_minor *minor) - { - unsigned int i; -- struct drm_info_list *gdp_debugfs_files; -+ drm_info_list_no_const *gdp_debugfs_files; - int nb_files; - - switch (gdp->plane.desc) { -@@ -331,8 +331,10 @@ static int gdp_debugfs_init(struct sti_gdp *gdp, struct drm_minor *minor) - return -EINVAL; - } - -+ pax_open_kernel(); - for (i = 0; i < nb_files; i++) - gdp_debugfs_files[i].data = gdp; -+ pax_close_kernel(); - - return drm_debugfs_create_files(gdp_debugfs_files, - nb_files, -diff --git a/drivers/gpu/drm/sti/sti_hda.c b/drivers/gpu/drm/sti/sti_hda.c -index e7c243f..7cc96133 100644 ---- a/drivers/gpu/drm/sti/sti_hda.c -+++ b/drivers/gpu/drm/sti/sti_hda.c -@@ -361,7 +361,7 @@ static int hda_dbg_show(struct seq_file *s, void *data) - return 0; - } - --static struct drm_info_list hda_debugfs_files[] = { -+static drm_info_list_no_const hda_debugfs_files[] __read_only = { - { "hda", hda_dbg_show, 0, NULL }, - }; - -@@ -376,8 +376,10 @@ static int hda_debugfs_init(struct sti_hda *hda, struct drm_minor *minor) - { - unsigned int i; - -+ pax_open_kernel(); - for (i = 0; i < ARRAY_SIZE(hda_debugfs_files); i++) - hda_debugfs_files[i].data = hda; -+ pax_close_kernel(); - - return drm_debugfs_create_files(hda_debugfs_files, - ARRAY_SIZE(hda_debugfs_files), -diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c -index 376b076..9a2cca5 100644 ---- a/drivers/gpu/drm/sti/sti_hdmi.c -+++ b/drivers/gpu/drm/sti/sti_hdmi.c -@@ -727,7 +727,7 @@ static int hdmi_dbg_show(struct seq_file *s, void *data) - return 0; - } - --static struct drm_info_list hdmi_debugfs_files[] = { -+static drm_info_list_no_const hdmi_debugfs_files[] __read_only = { - { "hdmi", hdmi_dbg_show, 0, NULL }, - }; - -@@ -742,8 +742,10 @@ static int hdmi_debugfs_init(struct sti_hdmi *hdmi, struct drm_minor *minor) - { - unsigned int i; - -+ pax_open_kernel(); - for (i = 0; i < ARRAY_SIZE(hdmi_debugfs_files); i++) - hdmi_debugfs_files[i].data = hdmi; -+ pax_close_kernel(); - - return drm_debugfs_create_files(hdmi_debugfs_files, - ARRAY_SIZE(hdmi_debugfs_files), -diff --git a/drivers/gpu/drm/sti/sti_hqvdp.c b/drivers/gpu/drm/sti/sti_hqvdp.c -index f88130f..a2be8a4 100644 ---- a/drivers/gpu/drm/sti/sti_hqvdp.c -+++ b/drivers/gpu/drm/sti/sti_hqvdp.c -@@ -628,7 +628,7 @@ static int hqvdp_dbg_show(struct seq_file *s, void *data) - return 0; - } - --static struct drm_info_list hqvdp_debugfs_files[] = { -+static drm_info_list_no_const hqvdp_debugfs_files[] __read_only = { - { "hqvdp", hqvdp_dbg_show, 0, NULL }, - }; - -@@ -636,8 +636,10 @@ static int hqvdp_debugfs_init(struct sti_hqvdp *hqvdp, struct drm_minor *minor) - { - unsigned int i; - -+ pax_open_kernel(); - for (i = 0; i < ARRAY_SIZE(hqvdp_debugfs_files); i++) - hqvdp_debugfs_files[i].data = hqvdp; -+ pax_close_kernel(); - - return drm_debugfs_create_files(hqvdp_debugfs_files, - ARRAY_SIZE(hqvdp_debugfs_files), -diff --git a/drivers/gpu/drm/sti/sti_mixer.c b/drivers/gpu/drm/sti/sti_mixer.c -index 4ddc58f..5c93f1a 100644 ---- a/drivers/gpu/drm/sti/sti_mixer.c -+++ b/drivers/gpu/drm/sti/sti_mixer.c -@@ -167,18 +167,18 @@ static int mixer_dbg_show(struct seq_file *s, void *arg) - return 0; - } - --static struct drm_info_list mixer0_debugfs_files[] = { -+static drm_info_list_no_const mixer0_debugfs_files[] __read_only = { - { "mixer_main", mixer_dbg_show, 0, NULL }, - }; - --static struct drm_info_list mixer1_debugfs_files[] = { -+static drm_info_list_no_const mixer1_debugfs_files[] __read_only = { - { "mixer_aux", mixer_dbg_show, 0, NULL }, - }; - - int sti_mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor) - { - unsigned int i; -- struct drm_info_list *mixer_debugfs_files; -+ drm_info_list_no_const *mixer_debugfs_files; - int nb_files; - - switch (mixer->id) { -@@ -194,8 +194,10 @@ int sti_mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor) - return -EINVAL; - } - -+ pax_open_kernel(); - for (i = 0; i < nb_files; i++) - mixer_debugfs_files[i].data = mixer; -+ pax_close_kernel(); - - return drm_debugfs_create_files(mixer_debugfs_files, - nb_files, -diff --git a/drivers/gpu/drm/sti/sti_tvout.c b/drivers/gpu/drm/sti/sti_tvout.c -index ad46d35..488be64 100644 ---- a/drivers/gpu/drm/sti/sti_tvout.c -+++ b/drivers/gpu/drm/sti/sti_tvout.c -@@ -563,7 +563,7 @@ static int tvout_dbg_show(struct seq_file *s, void *data) - return 0; - } - --static struct drm_info_list tvout_debugfs_files[] = { -+static drm_info_list_no_const tvout_debugfs_files[] __read_only = { - { "tvout", tvout_dbg_show, 0, NULL }, - }; - -@@ -578,8 +578,10 @@ static int tvout_debugfs_init(struct sti_tvout *tvout, struct drm_minor *minor) - { - unsigned int i; - -+ pax_open_kernel(); - for (i = 0; i < ARRAY_SIZE(tvout_debugfs_files); i++) - tvout_debugfs_files[i].data = tvout; -+ pax_close_kernel(); - - return drm_debugfs_create_files(tvout_debugfs_files, - ARRAY_SIZE(tvout_debugfs_files), -diff --git a/drivers/gpu/drm/sti/sti_vid.c b/drivers/gpu/drm/sti/sti_vid.c -index 2ad5989..d0707b3 100644 ---- a/drivers/gpu/drm/sti/sti_vid.c -+++ b/drivers/gpu/drm/sti/sti_vid.c -@@ -119,7 +119,7 @@ static int vid_dbg_show(struct seq_file *s, void *arg) - return 0; - } - --static struct drm_info_list vid_debugfs_files[] = { -+static drm_info_list_no_const vid_debugfs_files[] __read_only = { - { "vid", vid_dbg_show, 0, NULL }, - }; - -@@ -127,8 +127,10 @@ int vid_debugfs_init(struct sti_vid *vid, struct drm_minor *minor) - { - unsigned int i; - -+ pax_open_kernel(); - for (i = 0; i < ARRAY_SIZE(vid_debugfs_files); i++) - vid_debugfs_files[i].data = vid; -+ pax_close_kernel(); - - return drm_debugfs_create_files(vid_debugfs_files, - ARRAY_SIZE(vid_debugfs_files), -diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c -index 4010d69..d1f7e6e 100644 ---- a/drivers/gpu/drm/tegra/dc.c -+++ b/drivers/gpu/drm/tegra/dc.c -@@ -1675,7 +1675,7 @@ static int tegra_dc_debugfs_init(struct tegra_dc *dc, struct drm_minor *minor) - } - - for (i = 0; i < ARRAY_SIZE(debugfs_files); i++) -- dc->debugfs_files[i].data = dc; -+ const_cast(dc->debugfs_files[i].data) = dc; - - err = drm_debugfs_create_files(dc->debugfs_files, - ARRAY_SIZE(debugfs_files), -diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c -index 3dea121..c2b888e 100644 ---- a/drivers/gpu/drm/tegra/dsi.c -+++ b/drivers/gpu/drm/tegra/dsi.c -@@ -63,7 +63,7 @@ struct tegra_dsi { - struct clk *clk_lp; - struct clk *clk; - -- struct drm_info_list *debugfs_files; -+ drm_info_list_no_const *debugfs_files; - struct drm_minor *minor; - struct dentry *debugfs; - -diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c -index cda0491..869916e 100644 ---- a/drivers/gpu/drm/tegra/hdmi.c -+++ b/drivers/gpu/drm/tegra/hdmi.c -@@ -74,7 +74,7 @@ struct tegra_hdmi { - bool stereo; - bool dvi; - -- struct drm_info_list *debugfs_files; -+ drm_info_list_no_const *debugfs_files; - struct drm_minor *minor; - struct dentry *debugfs; - }; -diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c -index 74d0540..f5277db 100644 ---- a/drivers/gpu/drm/tegra/sor.c -+++ b/drivers/gpu/drm/tegra/sor.c -@@ -1263,8 +1263,11 @@ static int tegra_sor_debugfs_init(struct tegra_sor *sor, - goto remove; - } - -- for (i = 0; i < ARRAY_SIZE(debugfs_files); i++) -- sor->debugfs_files[i].data = sor; -+ for (i = 0; i < ARRAY_SIZE(debugfs_files); i++) { -+ pax_open_kernel(); -+ const_cast(sor->debugfs_files[i].data) = sor; -+ pax_close_kernel(); -+ } - - err = drm_debugfs_create_files(sor->debugfs_files, - ARRAY_SIZE(debugfs_files), -diff --git a/drivers/gpu/drm/tilcdc/Makefile b/drivers/gpu/drm/tilcdc/Makefile -index 6f67517..3f09073 100644 ---- a/drivers/gpu/drm/tilcdc/Makefile -+++ b/drivers/gpu/drm/tilcdc/Makefile -@@ -1,7 +1,7 @@ - ccflags-y := -Iinclude/drm --ifeq (, $(findstring -W,$(EXTRA_CFLAGS))) -- ccflags-y += -Werror --endif -+#ifeq (, $(findstring -W,$(EXTRA_CFLAGS))) -+# ccflags-y += -Werror -+#endif - - obj-$(CONFIG_DRM_TILCDC_SLAVE_COMPAT) += tilcdc_slave_compat.o \ - tilcdc_slave_compat.dtb.o -diff --git a/drivers/gpu/drm/tilcdc/tilcdc_external.c b/drivers/gpu/drm/tilcdc/tilcdc_external.c -index 68e8950..7149c5a 100644 ---- a/drivers/gpu/drm/tilcdc/tilcdc_external.c -+++ b/drivers/gpu/drm/tilcdc/tilcdc_external.c -@@ -27,7 +27,7 @@ static const struct tilcdc_panel_info panel_info_tda998x = { - .raster_order = 0, - }; - --static int tilcdc_external_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status tilcdc_external_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct tilcdc_drm_private *priv = connector->dev->dev_private; -@@ -56,7 +56,7 @@ static int tilcdc_add_external_encoder(struct drm_device *dev, - struct drm_connector *connector) - { - struct tilcdc_drm_private *priv = dev->dev_private; -- struct drm_connector_helper_funcs *connector_funcs; -+ drm_connector_helper_funcs_no_const *connector_funcs; - - priv->connectors[priv->num_connectors] = connector; - priv->encoders[priv->num_encoders++] = connector->encoder; -diff --git a/drivers/gpu/drm/tilcdc/tilcdc_panel.c b/drivers/gpu/drm/tilcdc/tilcdc_panel.c -index 2134bb20..2cd7c97 100644 ---- a/drivers/gpu/drm/tilcdc/tilcdc_panel.c -+++ b/drivers/gpu/drm/tilcdc/tilcdc_panel.c -@@ -179,7 +179,7 @@ static int panel_connector_get_modes(struct drm_connector *connector) - return i; - } - --static int panel_connector_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status panel_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct tilcdc_drm_private *priv = connector->dev->dev_private; -diff --git a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c -index 458043a..e3bace6 100644 ---- a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c -+++ b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c -@@ -185,7 +185,7 @@ static int tfp410_connector_get_modes(struct drm_connector *connector) - return ret; - } - --static int tfp410_connector_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status tfp410_connector_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct tilcdc_drm_private *priv = connector->dev->dev_private; -diff --git a/drivers/gpu/drm/ttm/ttm_bo_manager.c b/drivers/gpu/drm/ttm/ttm_bo_manager.c -index aa0bd054..aea6a01 100644 ---- a/drivers/gpu/drm/ttm/ttm_bo_manager.c -+++ b/drivers/gpu/drm/ttm/ttm_bo_manager.c -@@ -148,10 +148,10 @@ static void ttm_bo_man_debug(struct ttm_mem_type_manager *man, - } - - const struct ttm_mem_type_manager_func ttm_bo_manager_func = { -- ttm_bo_man_init, -- ttm_bo_man_takedown, -- ttm_bo_man_get_node, -- ttm_bo_man_put_node, -- ttm_bo_man_debug -+ .init = ttm_bo_man_init, -+ .takedown = ttm_bo_man_takedown, -+ .get_node = ttm_bo_man_get_node, -+ .put_node = ttm_bo_man_put_node, -+ .debug = ttm_bo_man_debug - }; - EXPORT_SYMBOL(ttm_bo_manager_func); -diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c -index 29855be..b039e24 100644 ---- a/drivers/gpu/drm/ttm/ttm_memory.c -+++ b/drivers/gpu/drm/ttm/ttm_memory.c -@@ -264,7 +264,7 @@ static int ttm_mem_init_kernel_zone(struct ttm_mem_global *glob, - zone->glob = glob; - glob->zone_kernel = zone; - ret = kobject_init_and_add( -- &zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, zone->name); -+ &zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, "%s", zone->name); - if (unlikely(ret != 0)) { - kobject_put(&zone->kobj); - return ret; -@@ -348,7 +348,7 @@ static int ttm_mem_init_dma32_zone(struct ttm_mem_global *glob, - zone->glob = glob; - glob->zone_dma32 = zone; - ret = kobject_init_and_add( -- &zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, zone->name); -+ &zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, "%s", zone->name); - if (unlikely(ret != 0)) { - kobject_put(&zone->kobj); - return ret; -diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c -index a37de5d..4a0db00 100644 ---- a/drivers/gpu/drm/ttm/ttm_page_alloc.c -+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c -@@ -54,7 +54,7 @@ - - #define NUM_PAGES_TO_ALLOC (PAGE_SIZE/sizeof(struct page *)) - #define SMALL_ALLOCATION 16 --#define FREE_ALL_PAGES (~0U) -+#define FREE_ALL_PAGES (~0UL) - /* times are in msecs */ - #define PAGE_FREE_INTERVAL 1000 - -@@ -299,15 +299,14 @@ static void ttm_pool_update_free_locked(struct ttm_page_pool *pool, - * @free_all: If set to true will free all pages in pool - * @use_static: Safe to use static buffer - **/ --static int ttm_page_pool_free(struct ttm_page_pool *pool, unsigned nr_free, -+static unsigned long ttm_page_pool_free(struct ttm_page_pool *pool, unsigned long nr_free, - bool use_static) - { - static struct page *static_buf[NUM_PAGES_TO_ALLOC]; - unsigned long irq_flags; - struct page *p; - struct page **pages_to_free; -- unsigned freed_pages = 0, -- npages_to_free = nr_free; -+ unsigned long freed_pages = 0, npages_to_free = nr_free; - - if (NUM_PAGES_TO_ALLOC < nr_free) - npages_to_free = NUM_PAGES_TO_ALLOC; -@@ -371,7 +370,8 @@ static int ttm_page_pool_free(struct ttm_page_pool *pool, unsigned nr_free, - __list_del(&p->lru, &pool->list); - - ttm_pool_update_free_locked(pool, freed_pages); -- nr_free -= freed_pages; -+ if (likely(nr_free != FREE_ALL_PAGES)) -+ nr_free -= freed_pages; - } - - spin_unlock_irqrestore(&pool->lock, irq_flags); -@@ -399,7 +399,7 @@ ttm_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) - unsigned i; - unsigned pool_offset; - struct ttm_page_pool *pool; -- int shrink_pages = sc->nr_to_scan; -+ unsigned long shrink_pages = sc->nr_to_scan; - unsigned long freed = 0; - - if (!mutex_trylock(&lock)) -@@ -407,7 +407,7 @@ ttm_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) - pool_offset = ++start_pool % NUM_POOLS; - /* select start pool in round robin fashion */ - for (i = 0; i < NUM_POOLS; ++i) { -- unsigned nr_free = shrink_pages; -+ unsigned long nr_free = shrink_pages; - if (shrink_pages == 0) - break; - pool = &_manager->pools[(i + pool_offset)%NUM_POOLS]; -@@ -673,7 +673,7 @@ static unsigned ttm_page_pool_get_pages(struct ttm_page_pool *pool, - } - - /* Put all pages in pages list to correct pool to wait for reuse */ --static void ttm_put_pages(struct page **pages, unsigned npages, int flags, -+static void ttm_put_pages(struct page **pages, unsigned long npages, int flags, - enum ttm_caching_state cstate) - { - unsigned long irq_flags; -@@ -728,7 +728,7 @@ static int ttm_get_pages(struct page **pages, unsigned npages, int flags, - struct list_head plist; - struct page *p = NULL; - gfp_t gfp_flags = GFP_USER; -- unsigned count; -+ unsigned long count; - int r; - - /* set zero flag for page allocation if required */ -diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c -index cec4b4b..71726dd 100644 ---- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c -+++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c -@@ -56,7 +56,7 @@ - - #define NUM_PAGES_TO_ALLOC (PAGE_SIZE/sizeof(struct page *)) - #define SMALL_ALLOCATION 4 --#define FREE_ALL_PAGES (~0U) -+#define FREE_ALL_PAGES (~0UL) - /* times are in msecs */ - #define IS_UNDEFINED (0) - #define IS_WC (1<<1) -@@ -416,7 +416,7 @@ static void ttm_dma_page_put(struct dma_pool *pool, struct dma_page *d_page) - * @nr_free: If set to true will free all pages in pool - * @use_static: Safe to use static buffer - **/ --static unsigned ttm_dma_page_pool_free(struct dma_pool *pool, unsigned nr_free, -+static unsigned long ttm_dma_page_pool_free(struct dma_pool *pool, unsigned long nr_free, - bool use_static) - { - static struct page *static_buf[NUM_PAGES_TO_ALLOC]; -@@ -424,8 +424,7 @@ static unsigned ttm_dma_page_pool_free(struct dma_pool *pool, unsigned nr_free, - struct dma_page *dma_p, *tmp; - struct page **pages_to_free; - struct list_head d_pages; -- unsigned freed_pages = 0, -- npages_to_free = nr_free; -+ unsigned long freed_pages = 0, npages_to_free = nr_free; - - if (NUM_PAGES_TO_ALLOC < nr_free) - npages_to_free = NUM_PAGES_TO_ALLOC; -@@ -502,7 +501,8 @@ static unsigned ttm_dma_page_pool_free(struct dma_pool *pool, unsigned nr_free, - /* remove range of pages from the pool */ - if (freed_pages) { - ttm_pool_update_free_locked(pool, freed_pages); -- nr_free -= freed_pages; -+ if (likely(nr_free != FREE_ALL_PAGES)) -+ nr_free -= freed_pages; - } - - spin_unlock_irqrestore(&pool->lock, irq_flags); -@@ -938,7 +938,7 @@ void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev) - struct dma_page *d_page, *next; - enum pool_type type; - bool is_cached = false; -- unsigned count = 0, i, npages = 0; -+ unsigned long count = 0, i, npages = 0; - unsigned long irq_flags; - - type = ttm_to_type(ttm->page_flags, ttm->caching_state); -@@ -1012,7 +1012,7 @@ ttm_dma_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) - static unsigned start_pool; - unsigned idx = 0; - unsigned pool_offset; -- unsigned shrink_pages = sc->nr_to_scan; -+ unsigned long shrink_pages = sc->nr_to_scan; - struct device_pools *p; - unsigned long freed = 0; - -@@ -1025,7 +1025,7 @@ ttm_dma_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) - goto out; - pool_offset = ++start_pool % _manager->npools; - list_for_each_entry(p, &_manager->pools, pools) { -- unsigned nr_free; -+ unsigned long nr_free; - - if (!p->dev) - continue; -@@ -1039,7 +1039,7 @@ ttm_dma_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) - shrink_pages = ttm_dma_page_pool_free(p->pool, nr_free, true); - freed += nr_free - shrink_pages; - -- pr_debug("%s: (%s:%d) Asked to shrink %d, have %d more to go\n", -+ pr_debug("%s: (%s:%d) Asked to shrink %lu, have %lu more to go\n", - p->pool->dev_name, p->pool->name, current->pid, - nr_free, shrink_pages); - } -diff --git a/drivers/gpu/drm/udl/udl_connector.c b/drivers/gpu/drm/udl/udl_connector.c -index d2f57c5..06d2af7 100644 ---- a/drivers/gpu/drm/udl/udl_connector.c -+++ b/drivers/gpu/drm/udl/udl_connector.c -@@ -80,7 +80,7 @@ static int udl_get_modes(struct drm_connector *connector) - return ret; - } - --static int udl_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status udl_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct udl_device *udl = connector->dev->dev_private; -diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c -index 611b6b9..e0faec1 100644 ---- a/drivers/gpu/drm/udl/udl_fb.c -+++ b/drivers/gpu/drm/udl/udl_fb.c -@@ -242,7 +242,6 @@ static int udl_fb_release(struct fb_info *info, int user) - fb_deferred_io_cleanup(info); - kfree(info->fbdefio); - info->fbdefio = NULL; -- info->fbops->fb_mmap = udl_fb_mmap; - } - #endif - -diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c -index 246d1ae..aa305a2 100644 ---- a/drivers/gpu/drm/vc4/vc4_drv.c -+++ b/drivers/gpu/drm/vc4/vc4_drv.c -@@ -183,6 +183,11 @@ static int compare_dev(struct device *dev, void *data) - return dev == data; - } - -+static int vc4_match(struct device *dev, void *drv) -+{ -+ return platform_bus_type.match(dev, drv); -+} -+ - static void vc4_match_add_drivers(struct device *dev, - struct component_match **match, - struct platform_driver *const *drivers, -@@ -194,8 +199,7 @@ static void vc4_match_add_drivers(struct device *dev, - struct device_driver *drv = &drivers[i]->driver; - struct device *p = NULL, *d; - -- while ((d = bus_find_device(&platform_bus_type, p, drv, -- (void *)platform_bus_type.match))) { -+ while ((d = bus_find_device(&platform_bus_type, p, drv, vc4_match))) { - put_device(p); - component_match_add(dev, match, compare_dev, d); - p = d; -diff --git a/drivers/gpu/drm/via/via_dma.c b/drivers/gpu/drm/via/via_dma.c -index d17d8f2..67e8e48b 100644 ---- a/drivers/gpu/drm/via/via_dma.c -+++ b/drivers/gpu/drm/via/via_dma.c -@@ -737,4 +737,4 @@ const struct drm_ioctl_desc via_ioctls[] = { - DRM_IOCTL_DEF_DRV(VIA_BLIT_SYNC, via_dma_blit_sync, DRM_AUTH) - }; - --int via_max_ioctl = ARRAY_SIZE(via_ioctls); -+const int via_max_ioctl = ARRAY_SIZE(via_ioctls); -diff --git a/drivers/gpu/drm/via/via_drv.c b/drivers/gpu/drm/via/via_drv.c -index e5582ba..67c921b 100644 ---- a/drivers/gpu/drm/via/via_drv.c -+++ b/drivers/gpu/drm/via/via_drv.c -@@ -107,7 +107,10 @@ static struct pci_driver via_pci_driver = { - - static int __init via_init(void) - { -- driver.num_ioctls = via_max_ioctl; -+ pax_open_kernel(); -+ const_cast(driver.num_ioctls) = via_max_ioctl; -+ pax_close_kernel(); -+ - via_init_command_verifier(); - return drm_pci_init(&driver, &via_pci_driver); - } -diff --git a/drivers/gpu/drm/via/via_drv.h b/drivers/gpu/drm/via/via_drv.h -index 286a785..c0182616 100644 ---- a/drivers/gpu/drm/via/via_drv.h -+++ b/drivers/gpu/drm/via/via_drv.h -@@ -53,7 +53,7 @@ typedef struct drm_via_ring_buffer { - typedef uint32_t maskarray_t[5]; - - typedef struct drm_via_irq { -- atomic_t irq_received; -+ atomic_unchecked_t irq_received; - uint32_t pending_mask; - uint32_t enable_mask; - wait_queue_head_t irq_queue; -@@ -77,7 +77,7 @@ typedef struct drm_via_private { - struct timeval last_vblank; - int last_vblank_valid; - unsigned usec_per_vblank; -- atomic_t vbl_received; -+ atomic_unchecked_t vbl_received; - drm_via_state_t hc_state; - char pci_buf[VIA_PCI_BUF_SIZE]; - const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE]; -@@ -121,7 +121,7 @@ enum via_family { - #define VIA_WRITE8(reg, val) DRM_WRITE8(VIA_BASE, reg, val) - - extern const struct drm_ioctl_desc via_ioctls[]; --extern int via_max_ioctl; -+extern const int via_max_ioctl; - - extern int via_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv); - extern int via_mem_alloc(struct drm_device *dev, void *data, struct drm_file *file_priv); -diff --git a/drivers/gpu/drm/via/via_irq.c b/drivers/gpu/drm/via/via_irq.c -index ea8172c..6ceff63 100644 ---- a/drivers/gpu/drm/via/via_irq.c -+++ b/drivers/gpu/drm/via/via_irq.c -@@ -102,7 +102,7 @@ u32 via_get_vblank_counter(struct drm_device *dev, unsigned int pipe) - if (pipe != 0) - return 0; - -- return atomic_read(&dev_priv->vbl_received); -+ return atomic_read_unchecked(&dev_priv->vbl_received); - } - - irqreturn_t via_driver_irq_handler(int irq, void *arg) -@@ -117,8 +117,8 @@ irqreturn_t via_driver_irq_handler(int irq, void *arg) - - status = VIA_READ(VIA_REG_INTERRUPT); - if (status & VIA_IRQ_VBLANK_PENDING) { -- atomic_inc(&dev_priv->vbl_received); -- if (!(atomic_read(&dev_priv->vbl_received) & 0x0F)) { -+ atomic_inc_unchecked(&dev_priv->vbl_received); -+ if (!(atomic_read_unchecked(&dev_priv->vbl_received) & 0x0F)) { - do_gettimeofday(&cur_vblank); - if (dev_priv->last_vblank_valid) { - dev_priv->usec_per_vblank = -@@ -128,7 +128,7 @@ irqreturn_t via_driver_irq_handler(int irq, void *arg) - dev_priv->last_vblank = cur_vblank; - dev_priv->last_vblank_valid = 1; - } -- if (!(atomic_read(&dev_priv->vbl_received) & 0xFF)) { -+ if (!(atomic_read_unchecked(&dev_priv->vbl_received) & 0xFF)) { - DRM_DEBUG("US per vblank is: %u\n", - dev_priv->usec_per_vblank); - } -@@ -138,7 +138,7 @@ irqreturn_t via_driver_irq_handler(int irq, void *arg) - - for (i = 0; i < dev_priv->num_irqs; ++i) { - if (status & cur_irq->pending_mask) { -- atomic_inc(&cur_irq->irq_received); -+ atomic_inc_unchecked(&cur_irq->irq_received); - wake_up(&cur_irq->irq_queue); - handled = 1; - if (dev_priv->irq_map[drm_via_irq_dma0_td] == i) -@@ -243,11 +243,11 @@ via_driver_irq_wait(struct drm_device *dev, unsigned int irq, int force_sequence - DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * HZ, - ((VIA_READ(masks[irq][2]) & masks[irq][3]) == - masks[irq][4])); -- cur_irq_sequence = atomic_read(&cur_irq->irq_received); -+ cur_irq_sequence = atomic_read_unchecked(&cur_irq->irq_received); - } else { - DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * HZ, - (((cur_irq_sequence = -- atomic_read(&cur_irq->irq_received)) - -+ atomic_read_unchecked(&cur_irq->irq_received)) - - *sequence) <= (1 << 23))); - } - *sequence = cur_irq_sequence; -@@ -285,7 +285,7 @@ void via_driver_irq_preinstall(struct drm_device *dev) - } - - for (i = 0; i < dev_priv->num_irqs; ++i) { -- atomic_set(&cur_irq->irq_received, 0); -+ atomic_set_unchecked(&cur_irq->irq_received, 0); - cur_irq->enable_mask = dev_priv->irq_masks[i][0]; - cur_irq->pending_mask = dev_priv->irq_masks[i][1]; - init_waitqueue_head(&cur_irq->irq_queue); -@@ -367,7 +367,7 @@ int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv) - switch (irqwait->request.type & ~VIA_IRQ_FLAGS_MASK) { - case VIA_IRQ_RELATIVE: - irqwait->request.sequence += -- atomic_read(&cur_irq->irq_received); -+ atomic_read_unchecked(&cur_irq->irq_received); - irqwait->request.type &= ~_DRM_VBLANK_RELATIVE; - case VIA_IRQ_ABSOLUTE: - break; -diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c -index 5804870..67f126b 100644 ---- a/drivers/gpu/drm/virtio/virtgpu_display.c -+++ b/drivers/gpu/drm/virtio/virtgpu_display.c -@@ -192,7 +192,7 @@ static int virtio_gpu_conn_get_modes(struct drm_connector *connector) - return count; - } - --static int virtio_gpu_conn_mode_valid(struct drm_connector *connector, -+static enum drm_mode_status virtio_gpu_conn_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) - { - struct virtio_gpu_output *output = -diff --git a/drivers/gpu/drm/virtio/virtgpu_ttm.c b/drivers/gpu/drm/virtio/virtgpu_ttm.c -index 80482ac..bf693e5 100644 ---- a/drivers/gpu/drm/virtio/virtgpu_ttm.c -+++ b/drivers/gpu/drm/virtio/virtgpu_ttm.c -@@ -198,11 +198,11 @@ static void ttm_bo_man_debug(struct ttm_mem_type_manager *man, - } - - static const struct ttm_mem_type_manager_func virtio_gpu_bo_manager_func = { -- ttm_bo_man_init, -- ttm_bo_man_takedown, -- ttm_bo_man_get_node, -- ttm_bo_man_put_node, -- ttm_bo_man_debug -+ .init = &ttm_bo_man_init, -+ .takedown = &ttm_bo_man_takedown, -+ .get_node = &ttm_bo_man_get_node, -+ .put_node = &ttm_bo_man_put_node, -+ .debug = &ttm_bo_man_debug - }; - - static int virtio_gpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, -diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h -index 59ff419..34b8477 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h -@@ -439,7 +439,7 @@ struct vmw_private { - * Fencing and IRQs. - */ - -- atomic_t marker_seq; -+ atomic_unchecked_t marker_seq; - wait_queue_head_t fence_queue; - wait_queue_head_t fifo_queue; - spinlock_t waiter_lock; -diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c -index b6a0806..9fb5479 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c -@@ -156,7 +156,7 @@ int vmw_fifo_init(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo) - (unsigned int) min, - (unsigned int) fifo->capabilities); - -- atomic_set(&dev_priv->marker_seq, dev_priv->last_read_seqno); -+ atomic_set_unchecked(&dev_priv->marker_seq, dev_priv->last_read_seqno); - vmw_mmio_write(dev_priv->last_read_seqno, fifo_mem + SVGA_FIFO_FENCE); - vmw_marker_queue_init(&fifo->marker_queue); - -@@ -355,7 +355,7 @@ static void *vmw_local_fifo_reserve(struct vmw_private *dev_priv, - if (reserveable) - vmw_mmio_write(bytes, fifo_mem + - SVGA_FIFO_RESERVED); -- return (void __force *) (fifo_mem + -+ return (void __force_kernel *) (fifo_mem + - (next_cmd >> 2)); - } else { - need_bounce = true; -@@ -544,7 +544,7 @@ int vmw_fifo_send_fence(struct vmw_private *dev_priv, uint32_t *seqno) - - fm = vmw_fifo_reserve(dev_priv, bytes); - if (unlikely(fm == NULL)) { -- *seqno = atomic_read(&dev_priv->marker_seq); -+ *seqno = atomic_read_unchecked(&dev_priv->marker_seq); - ret = -ENOMEM; - (void)vmw_fallback_wait(dev_priv, false, true, *seqno, - false, 3*HZ); -@@ -552,7 +552,7 @@ int vmw_fifo_send_fence(struct vmw_private *dev_priv, uint32_t *seqno) - } - - do { -- *seqno = atomic_add_return(1, &dev_priv->marker_seq); -+ *seqno = atomic_add_return_unchecked(1, &dev_priv->marker_seq); - } while (*seqno == 0); - - if (!(fifo_state->capabilities & SVGA_FIFO_CAP_FENCE)) { -diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c -index 170b61b..fec7348 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c -@@ -164,9 +164,9 @@ static void vmw_gmrid_man_debug(struct ttm_mem_type_manager *man, - } - - const struct ttm_mem_type_manager_func vmw_gmrid_manager_func = { -- vmw_gmrid_man_init, -- vmw_gmrid_man_takedown, -- vmw_gmrid_man_get_node, -- vmw_gmrid_man_put_node, -- vmw_gmrid_man_debug -+ .init = vmw_gmrid_man_init, -+ .takedown = vmw_gmrid_man_takedown, -+ .get_node = vmw_gmrid_man_get_node, -+ .put_node = vmw_gmrid_man_put_node, -+ .debug = vmw_gmrid_man_debug - }; -diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c -index 0c7e172..ead94fc 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c -@@ -103,7 +103,7 @@ bool vmw_seqno_passed(struct vmw_private *dev_priv, - * emitted. Then the fence is stale and signaled. - */ - -- ret = ((atomic_read(&dev_priv->marker_seq) - seqno) -+ ret = ((atomic_read_unchecked(&dev_priv->marker_seq) - seqno) - > VMW_FENCE_WRAP); - - return ret; -@@ -142,7 +142,7 @@ int vmw_fallback_wait(struct vmw_private *dev_priv, - } - } - -- signal_seq = atomic_read(&dev_priv->marker_seq); -+ signal_seq = atomic_read_unchecked(&dev_priv->marker_seq); - ret = 0; - - for (;;) { -diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c b/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c -index efd1ffd..0ae13ca 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c -@@ -135,7 +135,7 @@ int vmw_wait_lag(struct vmw_private *dev_priv, - while (!vmw_lag_lt(queue, us)) { - spin_lock(&queue->lock); - if (list_empty(&queue->head)) -- seqno = atomic_read(&dev_priv->marker_seq); -+ seqno = atomic_read_unchecked(&dev_priv->marker_seq); - else { - marker = list_first_entry(&queue->head, - struct vmw_marker, head); -diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c -index 5f962bf..b095fc5 100644 ---- a/drivers/gpu/vga/vga_switcheroo.c -+++ b/drivers/gpu/vga/vga_switcheroo.c -@@ -1054,7 +1054,7 @@ static int vga_switcheroo_runtime_resume(struct device *dev) - * where the power switch is separate to the device being powered down. - */ - int vga_switcheroo_init_domain_pm_ops(struct device *dev, -- struct dev_pm_domain *domain) -+ dev_pm_domain_no_const *domain) - { - /* copy over all the bus versions */ - if (dev->bus && dev->bus->pm) { -@@ -1125,7 +1125,7 @@ static int vga_switcheroo_runtime_resume_hdmi_audio(struct device *dev) - */ - int - vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, -- struct dev_pm_domain *domain) -+ dev_pm_domain_no_const *domain) - { - /* copy over all the bus versions */ - if (dev->bus && dev->bus->pm) { -diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c -index a5dd7e6..de73abd 100644 ---- a/drivers/hid/hid-core.c -+++ b/drivers/hid/hid-core.c -@@ -2643,7 +2643,7 @@ EXPORT_SYMBOL_GPL(hid_ignore); - - int hid_add_device(struct hid_device *hdev) - { -- static atomic_t id = ATOMIC_INIT(0); -+ static atomic_unchecked_t id = ATOMIC_INIT(0); - int ret; - - if (WARN_ON(hdev->status & HID_STAT_ADDED)) -@@ -2687,7 +2687,7 @@ int hid_add_device(struct hid_device *hdev) - /* XXX hack, any other cleaner solution after the driver core - * is converted to allow more than 20 bytes as the device name? */ - dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus, -- hdev->vendor, hdev->product, atomic_inc_return(&id)); -+ hdev->vendor, hdev->product, atomic_inc_return_unchecked(&id)); - - hid_debug_register(hdev, dev_name(&hdev->dev)); - ret = device_add(&hdev->dev); -diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c -index 20b40ad..7eb5632 100644 ---- a/drivers/hid/hid-magicmouse.c -+++ b/drivers/hid/hid-magicmouse.c -@@ -34,7 +34,7 @@ module_param(emulate_scroll_wheel, bool, 0644); - MODULE_PARM_DESC(emulate_scroll_wheel, "Emulate a scroll wheel"); - - static unsigned int scroll_speed = 32; --static int param_set_scroll_speed(const char *val, struct kernel_param *kp) { -+static int param_set_scroll_speed(const char *val, const struct kernel_param *kp) { - unsigned long speed; - if (!val || kstrtoul(val, 0, &speed) || speed > 63) - return -EINVAL; -diff --git a/drivers/hid/hid-sensor-custom.c b/drivers/hid/hid-sensor-custom.c -index 3a84aaf..915780c 100644 ---- a/drivers/hid/hid-sensor-custom.c -+++ b/drivers/hid/hid-sensor-custom.c -@@ -590,7 +590,7 @@ static int hid_sensor_custom_add_attributes(struct hid_sensor_custom - j = 0; - while (j < HID_CUSTOM_TOTAL_ATTRS && - hid_custom_attrs[j].name) { -- struct device_attribute *device_attr; -+ device_attribute_no_const *device_attr; - - device_attr = &sensor_inst->fields[i].sd_attrs[j]; - -diff --git a/drivers/hid/hid-wiimote-debug.c b/drivers/hid/hid-wiimote-debug.c -index c13fb5b..55a3802 100644 ---- a/drivers/hid/hid-wiimote-debug.c -+++ b/drivers/hid/hid-wiimote-debug.c -@@ -66,7 +66,7 @@ static ssize_t wiidebug_eeprom_read(struct file *f, char __user *u, size_t s, - else if (size == 0) - return -EIO; - -- if (copy_to_user(u, buf, size)) -+ if (size > sizeof(buf) || copy_to_user(u, buf, size)) - return -EFAULT; - - *off += size; -diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c -index 1606e7f..b207d4b 100644 ---- a/drivers/hv/channel.c -+++ b/drivers/hv/channel.c -@@ -404,7 +404,7 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer, - int ret = 0; - - next_gpadl_handle = -- (atomic_inc_return(&vmbus_connection.next_gpadl_handle) - 1); -+ (atomic_inc_return_unchecked(&vmbus_connection.next_gpadl_handle) - 1); - - ret = create_gpadl_header(kbuffer, size, &msginfo); - if (ret) -@@ -737,9 +737,7 @@ int vmbus_sendpacket_pagebuffer_ctl(struct vmbus_channel *channel, - * Adjust the size down since vmbus_channel_packet_page_buffer is the - * largest size we support - */ -- descsize = sizeof(struct vmbus_channel_packet_page_buffer) - -- ((MAX_PAGE_BUFFER_COUNT - pagecount) * -- sizeof(struct hv_page_buffer)); -+ descsize = offsetof(struct vmbus_channel_packet_page_buffer, range[pagecount]); - packetlen = descsize + bufferlen; - packetlen_aligned = ALIGN(packetlen, sizeof(u64)); - -diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c -index e0a8216..e4b9aa2 100644 ---- a/drivers/hv/hv.c -+++ b/drivers/hv/hv.c -@@ -183,6 +183,7 @@ static struct clocksource hyperv_cs_tsc = { - }; - #endif - -+static char hv_hypercall_page[PAGE_SIZE] __aligned(PAGE_SIZE) __used __section(".text"); - - /* - * hv_init - Main initialization routine. -@@ -193,7 +194,6 @@ int hv_init(void) - { - int max_leaf; - union hv_x64_msr_hypercall_contents hypercall_msr; -- void *virtaddr = NULL; - - memset(hv_context.synic_event_page, 0, sizeof(void *) * NR_CPUS); - memset(hv_context.synic_message_page, 0, -@@ -220,14 +220,9 @@ int hv_init(void) - /* See if the hypercall page is already set */ - rdmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64); - -- virtaddr = __vmalloc(PAGE_SIZE, GFP_KERNEL, PAGE_KERNEL_RX); -- -- if (!virtaddr) -- goto cleanup; -- - hypercall_msr.enable = 1; - -- hypercall_msr.guest_physical_address = vmalloc_to_pfn(virtaddr); -+ hypercall_msr.guest_physical_address = __phys_to_pfn(slow_virt_to_phys((void *)(ktla_ktva((unsigned long)hv_hypercall_page)))); - wrmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64); - - /* Confirm that hypercall page did get setup. */ -@@ -237,7 +232,7 @@ int hv_init(void) - if (!hypercall_msr.enable) - goto cleanup; - -- hv_context.hypercall_page = virtaddr; -+ hv_context.hypercall_page = hv_hypercall_page; - - #ifdef CONFIG_X86_64 - if (ms_hyperv.features & HV_X64_MSR_REFERENCE_TSC_AVAILABLE) { -@@ -261,13 +256,9 @@ int hv_init(void) - return 0; - - cleanup: -- if (virtaddr) { -- if (hypercall_msr.enable) { -- hypercall_msr.as_uint64 = 0; -- wrmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64); -- } -- -- vfree(virtaddr); -+ if (hypercall_msr.enable) { -+ hypercall_msr.as_uint64 = 0; -+ wrmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64); - } - - return -ENOTSUPP; -@@ -288,8 +279,6 @@ void hv_cleanup(bool crash) - if (hv_context.hypercall_page) { - hypercall_msr.as_uint64 = 0; - wrmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64); -- if (!crash) -- vfree(hv_context.hypercall_page); - hv_context.hypercall_page = NULL; - } - -diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c -index fdf8da9..d3fefc5 100644 ---- a/drivers/hv/hv_balloon.c -+++ b/drivers/hv/hv_balloon.c -@@ -482,7 +482,7 @@ MODULE_PARM_DESC(hot_add, "If set attempt memory hot_add"); - - module_param(pressure_report_delay, uint, (S_IRUGO | S_IWUSR)); - MODULE_PARM_DESC(pressure_report_delay, "Delay in secs in reporting pressure"); --static atomic_t trans_id = ATOMIC_INIT(0); -+static atomic_unchecked_t trans_id = ATOMIC_INIT(0); - - static int dm_ring_size = (5 * PAGE_SIZE); - -@@ -1010,7 +1010,7 @@ static void hot_add_req(struct work_struct *dummy) - pr_info("Memory hot add failed\n"); - - dm->state = DM_INITIALIZED; -- resp.hdr.trans_id = atomic_inc_return(&trans_id); -+ resp.hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - vmbus_sendpacket(dm->dev->channel, &resp, - sizeof(struct dm_hot_add_response), - (unsigned long)NULL, -@@ -1089,7 +1089,7 @@ static void post_status(struct hv_dynmem_device *dm) - memset(&status, 0, sizeof(struct dm_status)); - status.hdr.type = DM_STATUS_REPORT; - status.hdr.size = sizeof(struct dm_status); -- status.hdr.trans_id = atomic_inc_return(&trans_id); -+ status.hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - - /* - * The host expects the guest to report free and committed memory. -@@ -1113,7 +1113,7 @@ static void post_status(struct hv_dynmem_device *dm) - * send the status. This can happen if we were interrupted - * after we picked our transaction ID. - */ -- if (status.hdr.trans_id != atomic_read(&trans_id)) -+ if (status.hdr.trans_id != atomic_read_unchecked(&trans_id)) - return; - - /* -@@ -1257,7 +1257,7 @@ static void balloon_up(struct work_struct *dummy) - */ - - do { -- bl_resp->hdr.trans_id = atomic_inc_return(&trans_id); -+ bl_resp->hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - ret = vmbus_sendpacket(dm_device.dev->channel, - bl_resp, - bl_resp->hdr.size, -@@ -1303,7 +1303,7 @@ static void balloon_down(struct hv_dynmem_device *dm, - - memset(&resp, 0, sizeof(struct dm_unballoon_response)); - resp.hdr.type = DM_UNBALLOON_RESPONSE; -- resp.hdr.trans_id = atomic_inc_return(&trans_id); -+ resp.hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - resp.hdr.size = sizeof(struct dm_unballoon_response); - - vmbus_sendpacket(dm_device.dev->channel, &resp, -@@ -1363,7 +1363,7 @@ static void version_resp(struct hv_dynmem_device *dm, - memset(&version_req, 0, sizeof(struct dm_version_request)); - version_req.hdr.type = DM_VERSION_REQUEST; - version_req.hdr.size = sizeof(struct dm_version_request); -- version_req.hdr.trans_id = atomic_inc_return(&trans_id); -+ version_req.hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - version_req.version.version = dm->next_version; - - /* -@@ -1550,7 +1550,7 @@ static int balloon_probe(struct hv_device *dev, - memset(&version_req, 0, sizeof(struct dm_version_request)); - version_req.hdr.type = DM_VERSION_REQUEST; - version_req.hdr.size = sizeof(struct dm_version_request); -- version_req.hdr.trans_id = atomic_inc_return(&trans_id); -+ version_req.hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - version_req.version.version = DYNMEM_PROTOCOL_VERSION_WIN10; - version_req.is_last_attempt = 0; - -@@ -1581,7 +1581,7 @@ static int balloon_probe(struct hv_device *dev, - memset(&cap_msg, 0, sizeof(struct dm_capabilities)); - cap_msg.hdr.type = DM_CAPABILITIES_REPORT; - cap_msg.hdr.size = sizeof(struct dm_capabilities); -- cap_msg.hdr.trans_id = atomic_inc_return(&trans_id); -+ cap_msg.hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - - cap_msg.caps.cap_bits.balloon = 1; - cap_msg.caps.cap_bits.hot_add = 1; -diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h -index 8d7f865..86be1c8 100644 ---- a/drivers/hv/hyperv_vmbus.h -+++ b/drivers/hv/hyperv_vmbus.h -@@ -567,7 +567,7 @@ enum vmbus_connect_state { - struct vmbus_connection { - enum vmbus_connect_state conn_state; - -- atomic_t next_gpadl_handle; -+ atomic_unchecked_t next_gpadl_handle; - - struct completion unload_event; - /* -diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c -index 579bdf9..0dac21d5 100644 ---- a/drivers/hwmon/acpi_power_meter.c -+++ b/drivers/hwmon/acpi_power_meter.c -@@ -116,7 +116,7 @@ struct sensor_template { - struct device_attribute *devattr, - const char *buf, size_t count); - int index; --}; -+} __do_const; - - /* Averaging interval */ - static int update_avg_interval(struct acpi_power_meter_resource *resource) -@@ -631,7 +631,7 @@ static int register_attrs(struct acpi_power_meter_resource *resource, - struct sensor_template *attrs) - { - struct device *dev = &resource->acpi_dev->dev; -- struct sensor_device_attribute *sensors = -+ sensor_device_attribute_no_const *sensors = - &resource->sensors[resource->num_sensors]; - int res = 0; - -@@ -973,7 +973,7 @@ static int __init enable_cap_knobs(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id __initdata pm_dmi_table[] = { -+static const struct dmi_system_id __initconst pm_dmi_table[] = { - { - enable_cap_knobs, "IBM Active Energy Manager", - { -diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c -index 0af7fd3..1fc50d4 100644 ---- a/drivers/hwmon/applesmc.c -+++ b/drivers/hwmon/applesmc.c -@@ -1105,7 +1105,7 @@ static int applesmc_create_nodes(struct applesmc_node_group *groups, int num) - { - struct applesmc_node_group *grp; - struct applesmc_dev_attr *node; -- struct attribute *attr; -+ attribute_no_const *attr; - int ret, i; - - for (grp = groups; grp->format; grp++) { -@@ -1242,7 +1242,7 @@ static int applesmc_dmi_match(const struct dmi_system_id *id) - * Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1". - * So we need to put "Apple MacBook Pro" before "Apple MacBook". - */ --static __initdata struct dmi_system_id applesmc_whitelist[] = { -+static const __initconst struct dmi_system_id applesmc_whitelist[] = { - { applesmc_dmi_match, "Apple MacBook Air", { - DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), - DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir") }, -diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c -index cccef87..06ce8ec 100644 ---- a/drivers/hwmon/asus_atk0110.c -+++ b/drivers/hwmon/asus_atk0110.c -@@ -147,10 +147,10 @@ MODULE_DEVICE_TABLE(acpi, atk_ids); - struct atk_sensor_data { - struct list_head list; - struct atk_data *data; -- struct device_attribute label_attr; -- struct device_attribute input_attr; -- struct device_attribute limit1_attr; -- struct device_attribute limit2_attr; -+ device_attribute_no_const label_attr; -+ device_attribute_no_const input_attr; -+ device_attribute_no_const limit1_attr; -+ device_attribute_no_const limit2_attr; - char label_attr_name[ATTR_NAME_SIZE]; - char input_attr_name[ATTR_NAME_SIZE]; - char limit1_attr_name[ATTR_NAME_SIZE]; -@@ -270,7 +270,7 @@ static ssize_t atk_name_show(struct device *dev, - static struct device_attribute atk_name_attr = - __ATTR(name, 0444, atk_name_show, NULL); - --static void atk_init_attribute(struct device_attribute *attr, char *name, -+static void atk_init_attribute(device_attribute_no_const *attr, char *name, - sysfs_show_func show) - { - sysfs_attr_init(&attr->attr); -diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c -index 6a27eb2..349ed23 100644 ---- a/drivers/hwmon/coretemp.c -+++ b/drivers/hwmon/coretemp.c -@@ -783,7 +783,7 @@ static int coretemp_cpu_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block coretemp_cpu_notifier __refdata = { -+static struct notifier_block coretemp_cpu_notifier = { - .notifier_call = coretemp_cpu_callback, - }; - -diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c -index 34704b0..eddfc67 100644 ---- a/drivers/hwmon/dell-smm-hwmon.c -+++ b/drivers/hwmon/dell-smm-hwmon.c -@@ -890,7 +890,7 @@ static const struct i8k_config_data i8k_config_data[] = { - }, - }; - --static struct dmi_system_id i8k_dmi_table[] __initdata = { -+static const struct dmi_system_id i8k_dmi_table[] __initconst = { - { - .ident = "Dell Inspiron", - .matches = { -@@ -1006,7 +1006,7 @@ MODULE_DEVICE_TABLE(dmi, i8k_dmi_table); - * of affected Dell machines for which we disallow I8K_SMM_GET_FAN_TYPE call. - * See bug: https://bugzilla.kernel.org/show_bug.cgi?id=100121 - */ --static struct dmi_system_id i8k_blacklist_fan_type_dmi_table[] __initdata = { -+static const struct dmi_system_id i8k_blacklist_fan_type_dmi_table[] __initconst = { - { - .ident = "Dell Studio XPS 8000", - .matches = { -diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c -index a74c075..a6eb87f 100644 ---- a/drivers/hwmon/hwmon.c -+++ b/drivers/hwmon/hwmon.c -@@ -214,8 +214,8 @@ static struct attribute *hwmon_genattr(struct device *dev, - const struct hwmon_ops *ops) - { - struct hwmon_device_attribute *hattr; -- struct device_attribute *dattr; -- struct attribute *a; -+ device_attribute_no_const *dattr; -+ attribute_no_const *a; - umode_t mode; - char *name; - -diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c -index 1f64378..2b6e615 100644 ---- a/drivers/hwmon/ibmaem.c -+++ b/drivers/hwmon/ibmaem.c -@@ -924,7 +924,7 @@ static int aem_register_sensors(struct aem_data *data, - const struct aem_rw_sensor_template *rw) - { - struct device *dev = &data->pdev->dev; -- struct sensor_device_attribute *sensors = data->sensors; -+ sensor_device_attribute_no_const *sensors = data->sensors; - int err; - - /* Set up read-only sensors */ -diff --git a/drivers/hwmon/iio_hwmon.c b/drivers/hwmon/iio_hwmon.c -index f6a7667..281a9de 100644 ---- a/drivers/hwmon/iio_hwmon.c -+++ b/drivers/hwmon/iio_hwmon.c -@@ -61,7 +61,7 @@ static int iio_hwmon_probe(struct platform_device *pdev) - { - struct device *dev = &pdev->dev; - struct iio_hwmon_state *st; -- struct sensor_device_attribute *a; -+ sensor_device_attribute_no_const *a; - int ret, i; - int in_i = 1, temp_i = 1, curr_i = 1, humidity_i = 1; - enum iio_chan_type type; -diff --git a/drivers/hwmon/nct6683.c b/drivers/hwmon/nct6683.c -index 559c596..3de1a96 100644 ---- a/drivers/hwmon/nct6683.c -+++ b/drivers/hwmon/nct6683.c -@@ -404,11 +404,11 @@ nct6683_create_attr_group(struct device *dev, - const struct sensor_template_group *tg, - int repeat) - { -- struct sensor_device_attribute_2 *a2; -- struct sensor_device_attribute *a; -+ sensor_device_attribute_2_no_const *a2; -+ sensor_device_attribute_no_const *a; - struct sensor_device_template **t; - struct sensor_device_attr_u *su; -- struct attribute_group *group; -+ attribute_group_no_const *group; - struct attribute **attrs; - int i, j, count; - -diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c -index ce75dd4..0e68b2a 100644 ---- a/drivers/hwmon/nct6775.c -+++ b/drivers/hwmon/nct6775.c -@@ -1051,10 +1051,10 @@ nct6775_create_attr_group(struct device *dev, - const struct sensor_template_group *tg, - int repeat) - { -- struct attribute_group *group; -+ attribute_group_no_const *group; - struct sensor_device_attr_u *su; -- struct sensor_device_attribute *a; -- struct sensor_device_attribute_2 *a2; -+ sensor_device_attribute_no_const *a; -+ sensor_device_attribute_2_no_const *a2; - struct attribute **attrs; - struct sensor_device_template **t; - int i, count; -diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c -index ba59eae..dbf694c 100644 ---- a/drivers/hwmon/pmbus/pmbus_core.c -+++ b/drivers/hwmon/pmbus/pmbus_core.c -@@ -824,7 +824,7 @@ static int pmbus_add_attribute(struct pmbus_data *data, struct attribute *attr) - return 0; - } - --static void pmbus_dev_attr_init(struct device_attribute *dev_attr, -+static void pmbus_dev_attr_init(device_attribute_no_const *dev_attr, - const char *name, - umode_t mode, - ssize_t (*show)(struct device *dev, -@@ -841,7 +841,7 @@ static void pmbus_dev_attr_init(struct device_attribute *dev_attr, - dev_attr->store = store; - } - --static void pmbus_attr_init(struct sensor_device_attribute *a, -+static void pmbus_attr_init(sensor_device_attribute_no_const *a, - const char *name, - umode_t mode, - ssize_t (*show)(struct device *dev, -@@ -863,7 +863,7 @@ static int pmbus_add_boolean(struct pmbus_data *data, - u16 reg, u8 mask) - { - struct pmbus_boolean *boolean; -- struct sensor_device_attribute *a; -+ sensor_device_attribute_no_const *a; - - boolean = devm_kzalloc(data->dev, sizeof(*boolean), GFP_KERNEL); - if (!boolean) -@@ -888,7 +888,7 @@ static struct pmbus_sensor *pmbus_add_sensor(struct pmbus_data *data, - bool update, bool readonly) - { - struct pmbus_sensor *sensor; -- struct device_attribute *a; -+ device_attribute_no_const *a; - - sensor = devm_kzalloc(data->dev, sizeof(*sensor), GFP_KERNEL); - if (!sensor) -@@ -919,7 +919,7 @@ static int pmbus_add_label(struct pmbus_data *data, - const char *lstring, int index) - { - struct pmbus_label *label; -- struct device_attribute *a; -+ device_attribute_no_const *a; - - label = devm_kzalloc(data->dev, sizeof(*label), GFP_KERNEL); - if (!label) -diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c -index a2fdbb7..e749a3c 100644 ---- a/drivers/hwmon/sht15.c -+++ b/drivers/hwmon/sht15.c -@@ -170,7 +170,7 @@ struct sht15_data { - int supply_uv; - bool supply_uv_valid; - struct work_struct update_supply_work; -- atomic_t interrupt_handled; -+ atomic_unchecked_t interrupt_handled; - }; - - /** -@@ -530,13 +530,13 @@ static int sht15_measurement(struct sht15_data *data, - ret = gpio_direction_input(data->pdata->gpio_data); - if (ret) - return ret; -- atomic_set(&data->interrupt_handled, 0); -+ atomic_set_unchecked(&data->interrupt_handled, 0); - - enable_irq(gpio_to_irq(data->pdata->gpio_data)); - if (gpio_get_value(data->pdata->gpio_data) == 0) { - disable_irq_nosync(gpio_to_irq(data->pdata->gpio_data)); - /* Only relevant if the interrupt hasn't occurred. */ -- if (!atomic_read(&data->interrupt_handled)) -+ if (!atomic_read_unchecked(&data->interrupt_handled)) - schedule_work(&data->read_work); - } - ret = wait_event_timeout(data->wait_queue, -@@ -808,7 +808,7 @@ static irqreturn_t sht15_interrupt_fired(int irq, void *d) - - /* First disable the interrupt */ - disable_irq_nosync(irq); -- atomic_inc(&data->interrupt_handled); -+ atomic_inc_unchecked(&data->interrupt_handled); - /* Then schedule a reading work struct */ - if (data->state != SHT15_READING_NOTHING) - schedule_work(&data->read_work); -@@ -830,11 +830,11 @@ static void sht15_bh_read_data(struct work_struct *work_s) - * If not, then start the interrupt again - care here as could - * have gone low in meantime so verify it hasn't! - */ -- atomic_set(&data->interrupt_handled, 0); -+ atomic_set_unchecked(&data->interrupt_handled, 0); - enable_irq(gpio_to_irq(data->pdata->gpio_data)); - /* If still not occurred or another handler was scheduled */ - if (gpio_get_value(data->pdata->gpio_data) -- || atomic_read(&data->interrupt_handled)) -+ || atomic_read_unchecked(&data->interrupt_handled)) - return; - } - -diff --git a/drivers/hwmon/via-cputemp.c b/drivers/hwmon/via-cputemp.c -index ac91c07..8e69663 100644 ---- a/drivers/hwmon/via-cputemp.c -+++ b/drivers/hwmon/via-cputemp.c -@@ -295,7 +295,7 @@ static int via_cputemp_cpu_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block via_cputemp_cpu_notifier __refdata = { -+static struct notifier_block via_cputemp_cpu_notifier = { - .notifier_call = via_cputemp_cpu_callback, - }; - -diff --git a/drivers/i2c/busses/i2c-amd756-s4882.c b/drivers/i2c/busses/i2c-amd756-s4882.c -index 65e3240..e6c511d 100644 ---- a/drivers/i2c/busses/i2c-amd756-s4882.c -+++ b/drivers/i2c/busses/i2c-amd756-s4882.c -@@ -39,7 +39,7 @@ - extern struct i2c_adapter amd756_smbus; - - static struct i2c_adapter *s4882_adapter; --static struct i2c_algorithm *s4882_algo; -+static i2c_algorithm_no_const *s4882_algo; - - /* Wrapper access functions for multiplexed SMBus */ - static DEFINE_MUTEX(amd756_lock); -diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c -index 96f8230..73d7616 100644 ---- a/drivers/i2c/busses/i2c-designware-pcidrv.c -+++ b/drivers/i2c/busses/i2c-designware-pcidrv.c -@@ -57,7 +57,7 @@ struct dw_scl_sda_cfg { - }; - - struct dw_pci_controller { -- u32 bus_num; -+ int bus_num; - u32 bus_cfg; - u32 tx_fifo_depth; - u32 rx_fifo_depth; -diff --git a/drivers/i2c/busses/i2c-nforce2-s4985.c b/drivers/i2c/busses/i2c-nforce2-s4985.c -index 88eda09..cf40434 100644 ---- a/drivers/i2c/busses/i2c-nforce2-s4985.c -+++ b/drivers/i2c/busses/i2c-nforce2-s4985.c -@@ -37,7 +37,7 @@ - extern struct i2c_adapter *nforce2_smbus; - - static struct i2c_adapter *s4985_adapter; --static struct i2c_algorithm *s4985_algo; -+static i2c_algorithm_no_const *s4985_algo; - - /* Wrapper access functions for multiplexed SMBus */ - static DEFINE_MUTEX(nforce2_lock); -diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c -index 6f638bb..c56f349 100644 ---- a/drivers/i2c/i2c-dev.c -+++ b/drivers/i2c/i2c-dev.c -@@ -274,7 +274,7 @@ static noinline int i2cdev_ioctl_rdwr(struct i2c_client *client, - break; - } - -- data_ptrs[i] = (u8 __user *)rdwr_pa[i].buf; -+ data_ptrs[i] = (u8 __force_user *)rdwr_pa[i].buf; - rdwr_pa[i].buf = memdup_user(data_ptrs[i], rdwr_pa[i].len); - if (IS_ERR(rdwr_pa[i].buf)) { - res = PTR_ERR(rdwr_pa[i].buf); -diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c -index bf9a2ad..a54b1c4 100644 ---- a/drivers/ide/ide-cd.c -+++ b/drivers/ide/ide-cd.c -@@ -768,7 +768,7 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) - alignment = queue_dma_alignment(q) | q->dma_pad_mask; - if ((unsigned long)buf & alignment - || blk_rq_bytes(rq) & q->dma_pad_mask -- || object_is_on_stack(buf)) -+ || object_starts_on_stack(buf)) - drive->dma = 0; - } - } -diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c -index 83679da..6e67e4f 100644 ---- a/drivers/ide/ide-disk.c -+++ b/drivers/ide/ide-disk.c -@@ -178,7 +178,7 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq, - * 1073741822 == 549756 MB or 48bit addressing fake drive - */ - --static ide_startstop_t ide_do_rw_disk(ide_drive_t *drive, struct request *rq, -+static ide_startstop_t __intentional_overflow(-1) ide_do_rw_disk(ide_drive_t *drive, struct request *rq, - sector_t block) - { - ide_hwif_t *hwif = drive->hwif; -diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c -index d127ace..6ee866f 100644 ---- a/drivers/ide/ide.c -+++ b/drivers/ide/ide.c -@@ -244,7 +244,7 @@ struct chs_geom { - static unsigned int ide_disks; - static struct chs_geom ide_disks_chs[MAX_HWIFS * MAX_DRIVES]; - --static int ide_set_disk_chs(const char *str, struct kernel_param *kp) -+static int ide_set_disk_chs(const char *str, const struct kernel_param *kp) - { - unsigned int a, b, c = 0, h = 0, s = 0, i, j = 1; - -@@ -328,7 +328,7 @@ static void ide_dev_apply_params(ide_drive_t *drive, u8 unit) - - static unsigned int ide_ignore_cable; - --static int ide_set_ignore_cable(const char *s, struct kernel_param *kp) -+static int ide_set_ignore_cable(const char *s, const struct kernel_param *kp) - { - int i, j = 1; - -diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c -index 5ded9b2..8410378 100644 ---- a/drivers/idle/intel_idle.c -+++ b/drivers/idle/intel_idle.c -@@ -1257,36 +1257,46 @@ static void bxt_idle_state_table_update(void) - rdmsrl(MSR_PKGC6_IRTL, msr); - usec = irtl_2_usec(msr); - if (usec) { -- bxt_cstates[2].exit_latency = usec; -- bxt_cstates[2].target_residency = usec; -+ pax_open_kernel(); -+ const_cast(bxt_cstates[2].exit_latency) = usec; -+ const_cast(bxt_cstates[2].target_residency) = usec; -+ pax_close_kernel(); - } - - rdmsrl(MSR_PKGC7_IRTL, msr); - usec = irtl_2_usec(msr); - if (usec) { -- bxt_cstates[3].exit_latency = usec; -- bxt_cstates[3].target_residency = usec; -+ pax_open_kernel(); -+ const_cast(bxt_cstates[3].exit_latency) = usec; -+ const_cast(bxt_cstates[3].target_residency) = usec; -+ pax_close_kernel(); - } - - rdmsrl(MSR_PKGC8_IRTL, msr); - usec = irtl_2_usec(msr); - if (usec) { -- bxt_cstates[4].exit_latency = usec; -- bxt_cstates[4].target_residency = usec; -+ pax_open_kernel(); -+ const_cast(bxt_cstates[4].exit_latency) = usec; -+ const_cast(bxt_cstates[4].target_residency) = usec; -+ pax_close_kernel(); - } - - rdmsrl(MSR_PKGC9_IRTL, msr); - usec = irtl_2_usec(msr); - if (usec) { -- bxt_cstates[5].exit_latency = usec; -- bxt_cstates[5].target_residency = usec; -+ pax_open_kernel(); -+ const_cast(bxt_cstates[5].exit_latency) = usec; -+ const_cast(bxt_cstates[5].target_residency) = usec; -+ pax_close_kernel(); - } - - rdmsrl(MSR_PKGC10_IRTL, msr); - usec = irtl_2_usec(msr); - if (usec) { -- bxt_cstates[6].exit_latency = usec; -- bxt_cstates[6].target_residency = usec; -+ pax_open_kernel(); -+ const_cast(bxt_cstates[6].exit_latency) = usec; -+ const_cast(bxt_cstates[6].target_residency) = usec; -+ pax_close_kernel(); - } - - } -@@ -1329,8 +1339,10 @@ static void sklh_idle_state_table_update(void) - return; - } - -- skl_cstates[5].disabled = 1; /* C8-SKL */ -- skl_cstates[6].disabled = 1; /* C9-SKL */ -+ pax_open_kernel(); -+ const_cast(skl_cstates[5].disabled) = 1; /* C8-SKL */ -+ const_cast(skl_cstates[6].disabled) = 1; /* C9-SKL */ -+ pax_close_kernel(); - } - /* - * intel_idle_state_table_update() -diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c -index fc340ed..840e5ee 100644 ---- a/drivers/iio/industrialio-core.c -+++ b/drivers/iio/industrialio-core.c -@@ -769,7 +769,7 @@ static ssize_t iio_write_channel_info(struct device *dev, - } - - static --int __iio_device_attr_init(struct device_attribute *dev_attr, -+int __iio_device_attr_init(device_attribute_no_const *dev_attr, - const char *postfix, - struct iio_chan_spec const *chan, - ssize_t (*readfunc)(struct device *dev, -diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c -index 71c7c4c..f91d896 100644 ---- a/drivers/infiniband/core/cm.c -+++ b/drivers/infiniband/core/cm.c -@@ -117,7 +117,7 @@ static char const counter_group_names[CM_COUNTER_GROUPS] - - struct cm_counter_group { - struct kobject obj; -- atomic_long_t counter[CM_ATTR_COUNT]; -+ atomic_long_unchecked_t counter[CM_ATTR_COUNT]; - }; - - struct cm_counter_attribute { -@@ -1495,7 +1495,7 @@ static void cm_format_mra(struct cm_mra_msg *mra_msg, - static void cm_format_rej(struct cm_rej_msg *rej_msg, - struct cm_id_private *cm_id_priv, - enum ib_cm_rej_reason reason, -- void *ari, -+ const void *ari, - u8 ari_length, - const void *private_data, - u8 private_data_len) -@@ -1539,7 +1539,7 @@ static void cm_dup_req_handler(struct cm_work *work, - struct ib_mad_send_buf *msg = NULL; - int ret; - -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_REQ_COUNTER]); - - /* Quick state check to discard duplicate REQs. */ -@@ -1949,7 +1949,7 @@ static void cm_dup_rep_handler(struct cm_work *work) - if (!cm_id_priv) - return; - -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_REP_COUNTER]); - ret = cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg); - if (ret) -@@ -2116,7 +2116,7 @@ static int cm_rtu_handler(struct cm_work *work) - if (cm_id_priv->id.state != IB_CM_REP_SENT && - cm_id_priv->id.state != IB_CM_MRA_REP_RCVD) { - spin_unlock_irq(&cm_id_priv->lock); -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_RTU_COUNTER]); - goto out; - } -@@ -2299,7 +2299,7 @@ static int cm_dreq_handler(struct cm_work *work) - cm_id_priv = cm_acquire_id(dreq_msg->remote_comm_id, - dreq_msg->local_comm_id); - if (!cm_id_priv) { -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_DREQ_COUNTER]); - cm_issue_drep(work->port, work->mad_recv_wc); - return -EINVAL; -@@ -2324,7 +2324,7 @@ static int cm_dreq_handler(struct cm_work *work) - case IB_CM_MRA_REP_RCVD: - break; - case IB_CM_TIMEWAIT: -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_DREQ_COUNTER]); - if (cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg)) - goto unlock; -@@ -2338,7 +2338,7 @@ static int cm_dreq_handler(struct cm_work *work) - cm_free_msg(msg); - goto deref; - case IB_CM_DREQ_RCVD: -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_DREQ_COUNTER]); - goto unlock; - default: -@@ -2401,12 +2401,13 @@ static int cm_drep_handler(struct cm_work *work) - } - - int ib_send_cm_rej(struct ib_cm_id *cm_id, -- enum ib_cm_rej_reason reason, -- void *ari, -+ int _reason, -+ const void *ari, - u8 ari_length, - const void *private_data, - u8 private_data_len) - { -+ enum ib_cm_rej_reason reason = _reason; - struct cm_id_private *cm_id_priv; - struct ib_mad_send_buf *msg; - unsigned long flags; -@@ -2705,7 +2706,7 @@ static int cm_mra_handler(struct cm_work *work) - ib_modify_mad(cm_id_priv->av.port->mad_agent, - cm_id_priv->msg, timeout)) { - if (cm_id_priv->id.lap_state == IB_CM_MRA_LAP_RCVD) -- atomic_long_inc(&work->port-> -+ atomic_long_inc_unchecked(&work->port-> - counter_group[CM_RECV_DUPLICATES]. - counter[CM_MRA_COUNTER]); - goto out; -@@ -2714,7 +2715,7 @@ static int cm_mra_handler(struct cm_work *work) - break; - case IB_CM_MRA_REQ_RCVD: - case IB_CM_MRA_REP_RCVD: -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_MRA_COUNTER]); - /* fall through */ - default: -@@ -2877,7 +2878,7 @@ static int cm_lap_handler(struct cm_work *work) - case IB_CM_LAP_IDLE: - break; - case IB_CM_MRA_LAP_SENT: -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_LAP_COUNTER]); - if (cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg)) - goto unlock; -@@ -2893,7 +2894,7 @@ static int cm_lap_handler(struct cm_work *work) - cm_free_msg(msg); - goto deref; - case IB_CM_LAP_RCVD: -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_LAP_COUNTER]); - goto unlock; - default: -@@ -2926,7 +2927,7 @@ deref: cm_deref_id(cm_id_priv); - static void cm_format_apr(struct cm_apr_msg *apr_msg, - struct cm_id_private *cm_id_priv, - enum ib_cm_apr_status status, -- void *info, -+ const void *info, - u8 info_length, - const void *private_data, - u8 private_data_len) -@@ -2946,12 +2947,13 @@ static void cm_format_apr(struct cm_apr_msg *apr_msg, - } - - int ib_send_cm_apr(struct ib_cm_id *cm_id, -- enum ib_cm_apr_status status, -- void *info, -+ int _status, -+ const void *info, - u8 info_length, - const void *private_data, - u8 private_data_len) - { -+ enum ib_cm_apr_status status = _status; - struct cm_id_private *cm_id_priv; - struct ib_mad_send_buf *msg; - unsigned long flags; -@@ -3180,7 +3182,7 @@ static int cm_sidr_req_handler(struct cm_work *work) - cur_cm_id_priv = cm_insert_remote_sidr(cm_id_priv); - if (cur_cm_id_priv) { - spin_unlock_irq(&cm.lock); -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_SIDR_REQ_COUNTER]); - goto out; /* Duplicate message. */ - } -@@ -3394,10 +3396,10 @@ static void cm_send_handler(struct ib_mad_agent *mad_agent, - if (!msg->context[0] && (attr_index != CM_REJ_COUNTER)) - msg->retries = 1; - -- atomic_long_add(1 + msg->retries, -+ atomic_long_add_unchecked(1 + msg->retries, - &port->counter_group[CM_XMIT].counter[attr_index]); - if (msg->retries) -- atomic_long_add(msg->retries, -+ atomic_long_add_unchecked(msg->retries, - &port->counter_group[CM_XMIT_RETRIES]. - counter[attr_index]); - -@@ -3633,7 +3635,7 @@ static void cm_recv_handler(struct ib_mad_agent *mad_agent, - } - - attr_id = be16_to_cpu(mad_recv_wc->recv_buf.mad->mad_hdr.attr_id); -- atomic_long_inc(&port->counter_group[CM_RECV]. -+ atomic_long_inc_unchecked(&port->counter_group[CM_RECV]. - counter[attr_id - CM_ATTR_ID_OFFSET]); - - work = kmalloc(sizeof *work + sizeof(struct ib_sa_path_rec) * paths, -@@ -3840,7 +3842,7 @@ static ssize_t cm_show_counter(struct kobject *obj, struct attribute *attr, - cm_attr = container_of(attr, struct cm_counter_attribute, attr); - - return sprintf(buf, "%ld\n", -- atomic_long_read(&group->counter[cm_attr->index])); -+ atomic_long_read_unchecked(&group->counter[cm_attr->index])); - } - - static const struct sysfs_ops cm_counter_ops = { -diff --git a/drivers/infiniband/core/fmr_pool.c b/drivers/infiniband/core/fmr_pool.c -index cdbb1f1..7ed4277 100644 ---- a/drivers/infiniband/core/fmr_pool.c -+++ b/drivers/infiniband/core/fmr_pool.c -@@ -98,8 +98,8 @@ struct ib_fmr_pool { - - struct task_struct *thread; - -- atomic_t req_ser; -- atomic_t flush_ser; -+ atomic_unchecked_t req_ser; -+ atomic_unchecked_t flush_ser; - - wait_queue_head_t force_wait; - }; -@@ -179,10 +179,10 @@ static int ib_fmr_cleanup_thread(void *pool_ptr) - struct ib_fmr_pool *pool = pool_ptr; - - do { -- if (atomic_read(&pool->flush_ser) - atomic_read(&pool->req_ser) < 0) { -+ if (atomic_read_unchecked(&pool->flush_ser) - atomic_read_unchecked(&pool->req_ser) < 0) { - ib_fmr_batch_release(pool); - -- atomic_inc(&pool->flush_ser); -+ atomic_inc_unchecked(&pool->flush_ser); - wake_up_interruptible(&pool->force_wait); - - if (pool->flush_function) -@@ -190,7 +190,7 @@ static int ib_fmr_cleanup_thread(void *pool_ptr) - } - - set_current_state(TASK_INTERRUPTIBLE); -- if (atomic_read(&pool->flush_ser) - atomic_read(&pool->req_ser) >= 0 && -+ if (atomic_read_unchecked(&pool->flush_ser) - atomic_read_unchecked(&pool->req_ser) >= 0 && - !kthread_should_stop()) - schedule(); - __set_current_state(TASK_RUNNING); -@@ -262,8 +262,8 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd, - pool->dirty_watermark = params->dirty_watermark; - pool->dirty_len = 0; - spin_lock_init(&pool->pool_lock); -- atomic_set(&pool->req_ser, 0); -- atomic_set(&pool->flush_ser, 0); -+ atomic_set_unchecked(&pool->req_ser, 0); -+ atomic_set_unchecked(&pool->flush_ser, 0); - init_waitqueue_head(&pool->force_wait); - - pool->thread = kthread_run(ib_fmr_cleanup_thread, -@@ -388,11 +388,11 @@ int ib_flush_fmr_pool(struct ib_fmr_pool *pool) - } - spin_unlock_irq(&pool->pool_lock); - -- serial = atomic_inc_return(&pool->req_ser); -+ serial = atomic_inc_return_unchecked(&pool->req_ser); - wake_up_process(pool->thread); - - if (wait_event_interruptible(pool->force_wait, -- atomic_read(&pool->flush_ser) - serial >= 0)) -+ atomic_read_unchecked(&pool->flush_ser) - serial >= 0)) - return -EINTR; - - return 0; -@@ -502,7 +502,7 @@ int ib_fmr_pool_unmap(struct ib_pool_fmr *fmr) - } else { - list_add_tail(&fmr->list, &pool->dirty_list); - if (++pool->dirty_len >= pool->dirty_watermark) { -- atomic_inc(&pool->req_ser); -+ atomic_inc_unchecked(&pool->req_ser); - wake_up_process(pool->thread); - } - } -diff --git a/drivers/infiniband/core/netlink.c b/drivers/infiniband/core/netlink.c -index 10469b0..e8b45f3 100644 ---- a/drivers/infiniband/core/netlink.c -+++ b/drivers/infiniband/core/netlink.c -@@ -176,11 +176,10 @@ static int ibnl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) - } - - { -- struct netlink_dump_control c = { -+ netlink_dump_control_no_const c = { - .dump = client->cb_table[op].dump, -- .module = client->cb_table[op].module, - }; -- return netlink_dump_start(nls, skb, nlh, &c); -+ return __netlink_dump_start(nls, skb, nlh, &c, NULL, client->cb_table[op].module); - } - } - } -diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c -index c1fb545..47f692d 100644 ---- a/drivers/infiniband/core/sysfs.c -+++ b/drivers/infiniband/core/sysfs.c -@@ -894,7 +894,7 @@ static struct attribute *alloc_hsa_lifespan(char *name, u8 port_num) - static void setup_hw_stats(struct ib_device *device, struct ib_port *port, - u8 port_num) - { -- struct attribute_group *hsag; -+ attribute_group_no_const *hsag; - struct rdma_hw_stats *stats; - int i, ret; - -diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c -index 7713ef0..0bb2981 100644 ---- a/drivers/infiniband/core/ucm.c -+++ b/drivers/infiniband/core/ucm.c -@@ -920,14 +920,14 @@ static ssize_t ib_ucm_send_rej(struct ib_ucm_file *file, - const char __user *inbuf, - int in_len, int out_len) - { -- return ib_ucm_send_info(file, inbuf, in_len, (void *)ib_send_cm_rej); -+ return ib_ucm_send_info(file, inbuf, in_len, ib_send_cm_rej); - } - - static ssize_t ib_ucm_send_apr(struct ib_ucm_file *file, - const char __user *inbuf, - int in_len, int out_len) - { -- return ib_ucm_send_info(file, inbuf, in_len, (void *)ib_send_cm_apr); -+ return ib_ucm_send_info(file, inbuf, in_len, ib_send_cm_apr); - } - - static ssize_t ib_ucm_send_mra(struct ib_ucm_file *file, -diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c -index cb3f515a..cd08b78 100644 ---- a/drivers/infiniband/core/uverbs_cmd.c -+++ b/drivers/infiniband/core/uverbs_cmd.c -@@ -974,6 +974,9 @@ ssize_t ib_uverbs_reg_mr(struct ib_uverbs_file *file, - if (copy_from_user(&cmd, buf, sizeof cmd)) - return -EFAULT; - -+ if (!access_ok_noprefault(VERIFY_READ, cmd.start, cmd.length)) -+ return -EFAULT; -+ - INIT_UDATA(&udata, buf + sizeof cmd, - (unsigned long) cmd.response + sizeof resp, - in_len - sizeof cmd, out_len - sizeof resp); -diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c -index b85a1a9..a0dcc59 100644 ---- a/drivers/infiniband/hw/cxgb4/device.c -+++ b/drivers/infiniband/hw/cxgb4/device.c -@@ -111,7 +111,7 @@ void c4iw_log_wr_stats(struct t4_wq *wq, struct t4_cqe *cqe) - if (!wq->rdev->wr_log) - return; - -- idx = (atomic_inc_return(&wq->rdev->wr_log_idx) - 1) & -+ idx = (atomic_inc_return_unchecked(&wq->rdev->wr_log_idx) - 1) & - (wq->rdev->wr_log_size - 1); - le.poll_sge_ts = cxgb4_read_sge_timestamp(wq->rdev->lldi.ports[0]); - getnstimeofday(&le.poll_host_ts); -@@ -143,7 +143,7 @@ static int wr_log_show(struct seq_file *seq, void *v) - - #define ts2ns(ts) div64_u64((ts) * dev->rdev.lldi.cclk_ps, 1000) - -- idx = atomic_read(&dev->rdev.wr_log_idx) & -+ idx = atomic_read_unchecked(&dev->rdev.wr_log_idx) & - (dev->rdev.wr_log_size - 1); - end = idx - 1; - if (end < 0) -@@ -842,7 +842,7 @@ static int c4iw_rdev_open(struct c4iw_rdev *rdev) - sizeof(*rdev->wr_log), GFP_KERNEL); - if (rdev->wr_log) { - rdev->wr_log_size = 1 << c4iw_wr_log_size_order; -- atomic_set(&rdev->wr_log_idx, 0); -+ atomic_set_unchecked(&rdev->wr_log_idx, 0); - } else { - pr_err(MOD "error allocating wr_log. Logging disabled\n"); - } -diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h -index 7d54066..4b8a84c 100644 ---- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h -+++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h -@@ -182,7 +182,7 @@ struct c4iw_rdev { - struct c4iw_stats stats; - struct c4iw_hw_queue hw_queue; - struct t4_dev_status_page *status_page; -- atomic_t wr_log_idx; -+ atomic_unchecked_t wr_log_idx; - struct wr_log_entry *wr_log; - int wr_log_size; - struct workqueue_struct *free_workq; -diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c -index 410408f..9702659 100644 ---- a/drivers/infiniband/hw/cxgb4/mem.c -+++ b/drivers/infiniband/hw/cxgb4/mem.c -@@ -266,7 +266,7 @@ static int write_tpt_entry(struct c4iw_rdev *rdev, u32 reset_tpt_entry, - int err; - struct fw_ri_tpte tpt; - u32 stag_idx; -- static atomic_t key; -+ static atomic_unchecked_t key; - - if (c4iw_fatal_error(rdev)) - return -EIO; -@@ -287,7 +287,7 @@ static int write_tpt_entry(struct c4iw_rdev *rdev, u32 reset_tpt_entry, - if (rdev->stats.stag.cur > rdev->stats.stag.max) - rdev->stats.stag.max = rdev->stats.stag.cur; - mutex_unlock(&rdev->stats.lock); -- *stag = (stag_idx << 8) | (atomic_inc_return(&key) & 0xff); -+ *stag = (stag_idx << 8) | (atomic_inc_return_unchecked(&key) & 0xff); - } - PDBG("%s stag_state 0x%0x type 0x%0x pdid 0x%0x, stag_idx 0x%x\n", - __func__, stag_state, type, pdid, stag_idx); -diff --git a/drivers/infiniband/hw/hfi1/pcie.c b/drivers/infiniband/hw/hfi1/pcie.c -index 4ac8f33..63991d8 100644 ---- a/drivers/infiniband/hw/hfi1/pcie.c -+++ b/drivers/infiniband/hw/hfi1/pcie.c -@@ -536,7 +536,7 @@ static void tune_pcie_caps(struct hfi1_devdata *dd) - * PCI error infrastructure, registered via pci - */ - static pci_ers_result_t --pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) -+pci_error_detected(struct pci_dev *pdev, enum pci_channel_state state) - { - struct hfi1_devdata *dd = pci_get_drvdata(pdev); - pci_ers_result_t ret = PCI_ERS_RESULT_RECOVERED; -diff --git a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c -index 2c4b4d0..b45e806 100644 ---- a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c -+++ b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c -@@ -4604,46 +4604,46 @@ static void i40iw_hw_stat_refresh_all(struct i40iw_dev_pestat *devstat) - } - - static struct i40iw_cqp_ops iw_cqp_ops = { -- i40iw_sc_cqp_init, -- i40iw_sc_cqp_create, -- i40iw_sc_cqp_post_sq, -- i40iw_sc_cqp_get_next_send_wqe, -- i40iw_sc_cqp_destroy, -- i40iw_sc_poll_for_cqp_op_done -+ .cqp_init = i40iw_sc_cqp_init, -+ .cqp_create = i40iw_sc_cqp_create, -+ .cqp_post_sq = i40iw_sc_cqp_post_sq, -+ .cqp_get_next_send_wqe = i40iw_sc_cqp_get_next_send_wqe, -+ .cqp_destroy = i40iw_sc_cqp_destroy, -+ .poll_for_cqp_op_done = i40iw_sc_poll_for_cqp_op_done - }; - - static struct i40iw_ccq_ops iw_ccq_ops = { -- i40iw_sc_ccq_init, -- i40iw_sc_ccq_create, -- i40iw_sc_ccq_destroy, -- i40iw_sc_ccq_create_done, -- i40iw_sc_ccq_get_cqe_info, -- i40iw_sc_ccq_arm -+ .ccq_init = i40iw_sc_ccq_init, -+ .ccq_create = i40iw_sc_ccq_create, -+ .ccq_destroy = i40iw_sc_ccq_destroy, -+ .ccq_create_done = i40iw_sc_ccq_create_done, -+ .ccq_get_cqe_info = i40iw_sc_ccq_get_cqe_info, -+ .ccq_arm = i40iw_sc_ccq_arm - }; - - static struct i40iw_ceq_ops iw_ceq_ops = { -- i40iw_sc_ceq_init, -- i40iw_sc_ceq_create, -- i40iw_sc_cceq_create_done, -- i40iw_sc_cceq_destroy_done, -- i40iw_sc_cceq_create, -- i40iw_sc_ceq_destroy, -- i40iw_sc_process_ceq -+ .ceq_init = i40iw_sc_ceq_init, -+ .ceq_create = i40iw_sc_ceq_create, -+ .cceq_create_done = i40iw_sc_cceq_create_done, -+ .cceq_destroy_done = i40iw_sc_cceq_destroy_done, -+ .cceq_create = i40iw_sc_cceq_create, -+ .ceq_destroy = i40iw_sc_ceq_destroy, -+ .process_ceq = i40iw_sc_process_ceq - }; - - static struct i40iw_aeq_ops iw_aeq_ops = { -- i40iw_sc_aeq_init, -- i40iw_sc_aeq_create, -- i40iw_sc_aeq_destroy, -- i40iw_sc_get_next_aeqe, -- i40iw_sc_repost_aeq_entries, -- i40iw_sc_aeq_create_done, -- i40iw_sc_aeq_destroy_done -+ .aeq_init = i40iw_sc_aeq_init, -+ .aeq_create = i40iw_sc_aeq_create, -+ .aeq_destroy = i40iw_sc_aeq_destroy, -+ .get_next_aeqe = i40iw_sc_get_next_aeqe, -+ .repost_aeq_entries = i40iw_sc_repost_aeq_entries, -+ .aeq_create_done = i40iw_sc_aeq_create_done, -+ .aeq_destroy_done = i40iw_sc_aeq_destroy_done - }; - - /* iwarp pd ops */ - static struct i40iw_pd_ops iw_pd_ops = { -- i40iw_sc_pd_init, -+ .pd_init = i40iw_sc_pd_init, - }; - - static struct i40iw_priv_qp_ops iw_priv_qp_ops = { -@@ -4662,61 +4662,59 @@ static struct i40iw_priv_qp_ops iw_priv_qp_ops = { - }; - - static struct i40iw_priv_cq_ops iw_priv_cq_ops = { -- i40iw_sc_cq_init, -- i40iw_sc_cq_create, -- i40iw_sc_cq_destroy, -- i40iw_sc_cq_modify, -+ .cq_init = i40iw_sc_cq_init, -+ .cq_create = i40iw_sc_cq_create, -+ .cq_destroy = i40iw_sc_cq_destroy, -+ .cq_modify = i40iw_sc_cq_modify, - }; - - static struct i40iw_mr_ops iw_mr_ops = { -- i40iw_sc_alloc_stag, -- i40iw_sc_mr_reg_non_shared, -- i40iw_sc_mr_reg_shared, -- i40iw_sc_dealloc_stag, -- i40iw_sc_query_stag, -- i40iw_sc_mw_alloc -+ .alloc_stag = i40iw_sc_alloc_stag, -+ .mr_reg_non_shared = i40iw_sc_mr_reg_non_shared, -+ .mr_reg_shared = i40iw_sc_mr_reg_shared, -+ .dealloc_stag = i40iw_sc_dealloc_stag, -+ .query_stag = i40iw_sc_query_stag, -+ .mw_alloc = i40iw_sc_mw_alloc - }; - - static struct i40iw_cqp_misc_ops iw_cqp_misc_ops = { -- i40iw_sc_manage_push_page, -- i40iw_sc_manage_hmc_pm_func_table, -- i40iw_sc_set_hmc_resource_profile, -- i40iw_sc_commit_fpm_values, -- i40iw_sc_query_fpm_values, -- i40iw_sc_static_hmc_pages_allocated, -- i40iw_sc_add_arp_cache_entry, -- i40iw_sc_del_arp_cache_entry, -- i40iw_sc_query_arp_cache_entry, -- i40iw_sc_manage_apbvt_entry, -- i40iw_sc_manage_qhash_table_entry, -- i40iw_sc_alloc_local_mac_ipaddr_entry, -- i40iw_sc_add_local_mac_ipaddr_entry, -- i40iw_sc_del_local_mac_ipaddr_entry, -- i40iw_sc_cqp_nop, -- i40iw_sc_commit_fpm_values_done, -- i40iw_sc_query_fpm_values_done, -- i40iw_sc_manage_hmc_pm_func_table_done, -- i40iw_sc_suspend_qp, -- i40iw_sc_resume_qp -+ .manage_push_page = i40iw_sc_manage_push_page, -+ .manage_hmc_pm_func_table = i40iw_sc_manage_hmc_pm_func_table, -+ .set_hmc_resource_profile = i40iw_sc_set_hmc_resource_profile, -+ .commit_fpm_values = i40iw_sc_commit_fpm_values, -+ .query_fpm_values = i40iw_sc_query_fpm_values, -+ .static_hmc_pages_allocated = i40iw_sc_static_hmc_pages_allocated, -+ .add_arp_cache_entry = i40iw_sc_add_arp_cache_entry, -+ .del_arp_cache_entry = i40iw_sc_del_arp_cache_entry, -+ .query_arp_cache_entry = i40iw_sc_query_arp_cache_entry, -+ .manage_apbvt_entry = i40iw_sc_manage_apbvt_entry, -+ .manage_qhash_table_entry = i40iw_sc_manage_qhash_table_entry, -+ .alloc_local_mac_ipaddr_table_entry = i40iw_sc_alloc_local_mac_ipaddr_entry, -+ .add_local_mac_ipaddr_entry = i40iw_sc_add_local_mac_ipaddr_entry, -+ .del_local_mac_ipaddr_entry = i40iw_sc_del_local_mac_ipaddr_entry, -+ .cqp_nop = i40iw_sc_cqp_nop, -+ .commit_fpm_values_done = i40iw_sc_commit_fpm_values_done, -+ .query_fpm_values_done = i40iw_sc_query_fpm_values_done, -+ .manage_hmc_pm_func_table_done = i40iw_sc_manage_hmc_pm_func_table_done, -+ .update_suspend_qp = i40iw_sc_suspend_qp, -+ .update_resume_qp = i40iw_sc_resume_qp - }; - - static struct i40iw_hmc_ops iw_hmc_ops = { -- i40iw_sc_init_iw_hmc, -- i40iw_sc_parse_fpm_query_buf, -- i40iw_sc_configure_iw_fpm, -- i40iw_sc_parse_fpm_commit_buf, -- i40iw_sc_create_hmc_obj, -- i40iw_sc_del_hmc_obj, -- NULL, -- NULL -+ .init_iw_hmc = i40iw_sc_init_iw_hmc, -+ .parse_fpm_query_buf = i40iw_sc_parse_fpm_query_buf, -+ .configure_iw_fpm = i40iw_sc_configure_iw_fpm, -+ .parse_fpm_commit_buf = i40iw_sc_parse_fpm_commit_buf, -+ .create_hmc_object = i40iw_sc_create_hmc_obj, -+ .del_hmc_object = i40iw_sc_del_hmc_obj - }; - - static const struct i40iw_device_pestat_ops iw_device_pestat_ops = { -- i40iw_hw_stat_init, -- i40iw_hw_stat_read_32, -- i40iw_hw_stat_read_64, -- i40iw_hw_stat_read_all, -- i40iw_hw_stat_refresh_all -+ .iw_hw_stat_init = i40iw_hw_stat_init, -+ .iw_hw_stat_read_32 = i40iw_hw_stat_read_32, -+ .iw_hw_stat_read_64 = i40iw_hw_stat_read_64, -+ .iw_hw_stat_read_all = i40iw_hw_stat_read_all, -+ .iw_hw_stat_refresh_all = i40iw_hw_stat_refresh_all - }; - - /** -diff --git a/drivers/infiniband/hw/i40iw/i40iw_uk.c b/drivers/infiniband/hw/i40iw/i40iw_uk.c -index 4d28c3c..ec6b0b7 100644 ---- a/drivers/infiniband/hw/i40iw/i40iw_uk.c -+++ b/drivers/infiniband/hw/i40iw/i40iw_uk.c -@@ -919,29 +919,29 @@ enum i40iw_status_code i40iw_get_wqe_shift(u32 wqdepth, u32 sge, u32 inline_data - } - - static struct i40iw_qp_uk_ops iw_qp_uk_ops = { -- i40iw_qp_post_wr, -- i40iw_qp_ring_push_db, -- i40iw_rdma_write, -- i40iw_rdma_read, -- i40iw_send, -- i40iw_inline_rdma_write, -- i40iw_inline_send, -- i40iw_stag_local_invalidate, -- i40iw_mw_bind, -- i40iw_post_receive, -- i40iw_nop -+ .iw_qp_post_wr = i40iw_qp_post_wr, -+ .iw_qp_ring_push_db = i40iw_qp_ring_push_db, -+ .iw_rdma_write = i40iw_rdma_write, -+ .iw_rdma_read = i40iw_rdma_read, -+ .iw_send = i40iw_send, -+ .iw_inline_rdma_write = i40iw_inline_rdma_write, -+ .iw_inline_send = i40iw_inline_send, -+ .iw_stag_local_invalidate = i40iw_stag_local_invalidate, -+ .iw_mw_bind = i40iw_mw_bind, -+ .iw_post_receive = i40iw_post_receive, -+ .iw_post_nop = i40iw_nop - }; - - static struct i40iw_cq_ops iw_cq_ops = { -- i40iw_cq_request_notification, -- i40iw_cq_poll_completion, -- i40iw_cq_post_entries, -- i40iw_clean_cq -+ .iw_cq_request_notification = i40iw_cq_request_notification, -+ .iw_cq_poll_completion = i40iw_cq_poll_completion, -+ .iw_cq_post_entries = i40iw_cq_post_entries, -+ .iw_cq_clean = i40iw_clean_cq - }; - - static struct i40iw_device_uk_ops iw_device_uk_ops = { -- i40iw_cq_uk_init, -- i40iw_qp_uk_init, -+ .iwarp_cq_uk_init = i40iw_cq_uk_init, -+ .iwarp_qp_uk_init = i40iw_qp_uk_init, - }; - - /** -diff --git a/drivers/infiniband/hw/i40iw/i40iw_user.h b/drivers/infiniband/hw/i40iw/i40iw_user.h -index 276bcef..b2e3684 100644 ---- a/drivers/infiniband/hw/i40iw/i40iw_user.h -+++ b/drivers/infiniband/hw/i40iw/i40iw_user.h -@@ -343,7 +343,7 @@ struct i40iw_device_uk_ops { - - struct i40iw_dev_uk { - struct i40iw_device_uk_ops ops_uk; --}; -+} __no_const; - - struct i40iw_sq_uk_wr_trk_info { - u64 wrid; -diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c -index 18d309e..41ef80d 100644 ---- a/drivers/infiniband/hw/mlx4/mad.c -+++ b/drivers/infiniband/hw/mlx4/mad.c -@@ -99,7 +99,7 @@ __be64 mlx4_ib_gen_node_guid(void) - - __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx) - { -- return cpu_to_be64(atomic_inc_return(&ctx->tid)) | -+ return cpu_to_be64(atomic_inc_return_unchecked(&ctx->tid)) | - cpu_to_be64(0xff00000000000000LL); - } - -diff --git a/drivers/infiniband/hw/mlx4/mcg.c b/drivers/infiniband/hw/mlx4/mcg.c -index a21d37f..4f92793 100644 ---- a/drivers/infiniband/hw/mlx4/mcg.c -+++ b/drivers/infiniband/hw/mlx4/mcg.c -@@ -1043,7 +1043,7 @@ int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx) - { - char name[20]; - -- atomic_set(&ctx->tid, 0); -+ atomic_set_unchecked(&ctx->tid, 0); - sprintf(name, "mlx4_ib_mcg%d", ctx->port); - ctx->mcg_wq = alloc_ordered_workqueue(name, WQ_MEM_RECLAIM); - if (!ctx->mcg_wq) -diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h -index 35141f4..652e92e 100644 ---- a/drivers/infiniband/hw/mlx4/mlx4_ib.h -+++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h -@@ -457,7 +457,7 @@ struct mlx4_ib_demux_ctx { - struct list_head mcg_mgid0_list; - struct workqueue_struct *mcg_wq; - struct mlx4_ib_demux_pv_ctx **tun; -- atomic_t tid; -+ atomic_unchecked_t tid; - int flushing; /* flushing the work queue */ - }; - -diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c -index c7f49bb..6a021bb 100644 ---- a/drivers/infiniband/hw/mthca/mthca_cmd.c -+++ b/drivers/infiniband/hw/mthca/mthca_cmd.c -@@ -772,7 +772,7 @@ static void mthca_setup_cmd_doorbells(struct mthca_dev *dev, u64 base) - mthca_dbg(dev, "Mapped doorbell page for posting FW commands\n"); - } - --int mthca_QUERY_FW(struct mthca_dev *dev) -+int __intentional_overflow(-1) mthca_QUERY_FW(struct mthca_dev *dev) - { - struct mthca_mailbox *mailbox; - u32 *outbox; -@@ -1612,7 +1612,7 @@ int mthca_HW2SW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, - CMD_TIME_CLASS_B); - } - --int mthca_WRITE_MTT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -+int __intentional_overflow(-1) mthca_WRITE_MTT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, - int num_mtt) - { - return mthca_cmd(dev, mailbox->dma, num_mtt, 0, CMD_WRITE_MTT, -@@ -1634,7 +1634,7 @@ int mthca_MAP_EQ(struct mthca_dev *dev, u64 event_mask, int unmap, - 0, CMD_MAP_EQ, CMD_TIME_CLASS_B); - } - --int mthca_SW2HW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -+int __intentional_overflow(-1) mthca_SW2HW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, - int eq_num) - { - return mthca_cmd(dev, mailbox->dma, eq_num, 0, CMD_SW2HW_EQ, -@@ -1857,7 +1857,7 @@ int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn) - CMD_TIME_CLASS_B); - } - --int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey, -+int __intentional_overflow(-1) mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey, - int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh, - const void *in_mad, void *response_mad) - { -diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c -index ded76c1..0cf0a08 100644 ---- a/drivers/infiniband/hw/mthca/mthca_main.c -+++ b/drivers/infiniband/hw/mthca/mthca_main.c -@@ -692,7 +692,7 @@ static int mthca_init_hca(struct mthca_dev *mdev) - return err; - } - --static int mthca_setup_hca(struct mthca_dev *dev) -+static int __intentional_overflow(-1) mthca_setup_hca(struct mthca_dev *dev) - { - int err; - -diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c -index ed9a989..6aa5dc2 100644 ---- a/drivers/infiniband/hw/mthca/mthca_mr.c -+++ b/drivers/infiniband/hw/mthca/mthca_mr.c -@@ -81,7 +81,7 @@ struct mthca_mpt_entry { - * through the bitmaps) - */ - --static u32 mthca_buddy_alloc(struct mthca_buddy *buddy, int order) -+static u32 __intentional_overflow(-1) mthca_buddy_alloc(struct mthca_buddy *buddy, int order) - { - int o; - int m; -@@ -426,7 +426,7 @@ static inline u32 adjust_key(struct mthca_dev *dev, u32 key) - return key; - } - --int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift, -+int __intentional_overflow(-1) mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift, - u64 iova, u64 total_size, u32 access, struct mthca_mr *mr) - { - struct mthca_mailbox *mailbox; -@@ -516,7 +516,7 @@ int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd, - return mthca_mr_alloc(dev, pd, 12, 0, ~0ULL, access, mr); - } - --int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd, -+int __intentional_overflow(-1) mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd, - u64 *buffer_list, int buffer_size_shift, - int list_len, u64 iova, u64 total_size, - u32 access, struct mthca_mr *mr) -diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c -index 358930a4..abd0b77 100644 ---- a/drivers/infiniband/hw/mthca/mthca_provider.c -+++ b/drivers/infiniband/hw/mthca/mthca_provider.c -@@ -773,7 +773,7 @@ static int mthca_alloc_resize_buf(struct mthca_dev *dev, struct mthca_cq *cq, - return 0; - } - --static int mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata) -+static int __intentional_overflow(-1) mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata) - { - struct mthca_dev *dev = to_mdev(ibcq->device); - struct mthca_cq *cq = to_mcq(ibcq); -diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c -index 35cbb17..d336a68 100644 ---- a/drivers/infiniband/hw/nes/nes.c -+++ b/drivers/infiniband/hw/nes/nes.c -@@ -97,7 +97,7 @@ MODULE_PARM_DESC(limit_maxrdreqsz, "Limit max read request size to 256 Bytes"); - LIST_HEAD(nes_adapter_list); - static LIST_HEAD(nes_dev_list); - --atomic_t qps_destroyed; -+atomic_unchecked_t qps_destroyed; - - static unsigned int ee_flsh_adapter; - static unsigned int sysfs_nonidx_addr; -@@ -268,7 +268,7 @@ static void nes_cqp_rem_ref_callback(struct nes_device *nesdev, struct nes_cqp_r - struct nes_qp *nesqp = cqp_request->cqp_callback_pointer; - struct nes_adapter *nesadapter = nesdev->nesadapter; - -- atomic_inc(&qps_destroyed); -+ atomic_inc_unchecked(&qps_destroyed); - - /* Free the control structures */ - -diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h -index e7430c9..e8250c3 100644 ---- a/drivers/infiniband/hw/nes/nes.h -+++ b/drivers/infiniband/hw/nes/nes.h -@@ -180,17 +180,17 @@ extern unsigned int nes_debug_level; - extern unsigned int wqm_quanta; - extern struct list_head nes_adapter_list; - --extern atomic_t cm_connects; --extern atomic_t cm_accepts; --extern atomic_t cm_disconnects; --extern atomic_t cm_closes; --extern atomic_t cm_connecteds; --extern atomic_t cm_connect_reqs; --extern atomic_t cm_rejects; --extern atomic_t mod_qp_timouts; --extern atomic_t qps_created; --extern atomic_t qps_destroyed; --extern atomic_t sw_qps_destroyed; -+extern atomic_unchecked_t cm_connects; -+extern atomic_unchecked_t cm_accepts; -+extern atomic_unchecked_t cm_disconnects; -+extern atomic_unchecked_t cm_closes; -+extern atomic_unchecked_t cm_connecteds; -+extern atomic_unchecked_t cm_connect_reqs; -+extern atomic_unchecked_t cm_rejects; -+extern atomic_unchecked_t mod_qp_timouts; -+extern atomic_unchecked_t qps_created; -+extern atomic_unchecked_t qps_destroyed; -+extern atomic_unchecked_t sw_qps_destroyed; - extern u32 mh_detected; - extern u32 mh_pauses_sent; - extern u32 cm_packets_sent; -@@ -199,16 +199,16 @@ extern u32 cm_packets_created; - extern u32 cm_packets_received; - extern u32 cm_packets_dropped; - extern u32 cm_packets_retrans; --extern atomic_t cm_listens_created; --extern atomic_t cm_listens_destroyed; -+extern atomic_unchecked_t cm_listens_created; -+extern atomic_unchecked_t cm_listens_destroyed; - extern u32 cm_backlog_drops; --extern atomic_t cm_loopbacks; --extern atomic_t cm_nodes_created; --extern atomic_t cm_nodes_destroyed; --extern atomic_t cm_accel_dropped_pkts; --extern atomic_t cm_resets_recvd; --extern atomic_t pau_qps_created; --extern atomic_t pau_qps_destroyed; -+extern atomic_unchecked_t cm_loopbacks; -+extern atomic_unchecked_t cm_nodes_created; -+extern atomic_unchecked_t cm_nodes_destroyed; -+extern atomic_unchecked_t cm_accel_dropped_pkts; -+extern atomic_unchecked_t cm_resets_recvd; -+extern atomic_unchecked_t pau_qps_created; -+extern atomic_unchecked_t pau_qps_destroyed; - - extern u32 int_mod_timer_init; - extern u32 int_mod_cq_depth_256; -diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c -index 57db9b3..adfe4b1 100644 ---- a/drivers/infiniband/hw/nes/nes_cm.c -+++ b/drivers/infiniband/hw/nes/nes_cm.c -@@ -69,14 +69,14 @@ u32 cm_packets_dropped; - u32 cm_packets_retrans; - u32 cm_packets_created; - u32 cm_packets_received; --atomic_t cm_listens_created; --atomic_t cm_listens_destroyed; -+atomic_unchecked_t cm_listens_created; -+atomic_unchecked_t cm_listens_destroyed; - u32 cm_backlog_drops; --atomic_t cm_loopbacks; --atomic_t cm_nodes_created; --atomic_t cm_nodes_destroyed; --atomic_t cm_accel_dropped_pkts; --atomic_t cm_resets_recvd; -+atomic_unchecked_t cm_loopbacks; -+atomic_unchecked_t cm_nodes_created; -+atomic_unchecked_t cm_nodes_destroyed; -+atomic_unchecked_t cm_accel_dropped_pkts; -+atomic_unchecked_t cm_resets_recvd; - - static inline int mini_cm_accelerated(struct nes_cm_core *, struct nes_cm_node *); - static struct nes_cm_listener *mini_cm_listen(struct nes_cm_core *, struct nes_vnic *, struct nes_cm_info *); -@@ -135,28 +135,28 @@ static void record_ird_ord(struct nes_cm_node *, u16, u16); - /* instance of function pointers for client API */ - /* set address of this instance to cm_core->cm_ops at cm_core alloc */ - static const struct nes_cm_ops nes_cm_api = { -- mini_cm_accelerated, -- mini_cm_listen, -- mini_cm_del_listen, -- mini_cm_connect, -- mini_cm_close, -- mini_cm_accept, -- mini_cm_reject, -- mini_cm_recv_pkt, -- mini_cm_dealloc_core, -- mini_cm_get, -- mini_cm_set -+ .accelerated = mini_cm_accelerated, -+ .listen = mini_cm_listen, -+ .stop_listener = mini_cm_del_listen, -+ .connect = mini_cm_connect, -+ .close = mini_cm_close, -+ .accept = mini_cm_accept, -+ .reject = mini_cm_reject, -+ .recv_pkt = mini_cm_recv_pkt, -+ .destroy_cm_core = mini_cm_dealloc_core, -+ .get = mini_cm_get, -+ .set = mini_cm_set - }; - - static struct nes_cm_core *g_cm_core; - --atomic_t cm_connects; --atomic_t cm_accepts; --atomic_t cm_disconnects; --atomic_t cm_closes; --atomic_t cm_connecteds; --atomic_t cm_connect_reqs; --atomic_t cm_rejects; -+atomic_unchecked_t cm_connects; -+atomic_unchecked_t cm_accepts; -+atomic_unchecked_t cm_disconnects; -+atomic_unchecked_t cm_closes; -+atomic_unchecked_t cm_connecteds; -+atomic_unchecked_t cm_connect_reqs; -+atomic_unchecked_t cm_rejects; - - int nes_add_ref_cm_node(struct nes_cm_node *cm_node) - { -@@ -1333,7 +1333,7 @@ static int mini_cm_dec_refcnt_listen(struct nes_cm_core *cm_core, - kfree(listener); - listener = NULL; - ret = 0; -- atomic_inc(&cm_listens_destroyed); -+ atomic_inc_unchecked(&cm_listens_destroyed); - } else { - spin_unlock_irqrestore(&cm_core->listen_list_lock, flags); - } -@@ -1537,7 +1537,7 @@ static struct nes_cm_node *make_cm_node(struct nes_cm_core *cm_core, - cm_node->rem_mac); - - add_hte_node(cm_core, cm_node); -- atomic_inc(&cm_nodes_created); -+ atomic_inc_unchecked(&cm_nodes_created); - - return cm_node; - } -@@ -1596,7 +1596,7 @@ static int rem_ref_cm_node(struct nes_cm_core *cm_core, - } - - atomic_dec(&cm_core->node_cnt); -- atomic_inc(&cm_nodes_destroyed); -+ atomic_inc_unchecked(&cm_nodes_destroyed); - nesqp = cm_node->nesqp; - if (nesqp) { - nesqp->cm_node = NULL; -@@ -1660,7 +1660,7 @@ static int process_options(struct nes_cm_node *cm_node, u8 *optionsloc, - - static void drop_packet(struct sk_buff *skb) - { -- atomic_inc(&cm_accel_dropped_pkts); -+ atomic_inc_unchecked(&cm_accel_dropped_pkts); - dev_kfree_skb_any(skb); - } - -@@ -1723,7 +1723,7 @@ static void handle_rst_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, - { - - int reset = 0; /* whether to send reset in case of err.. */ -- atomic_inc(&cm_resets_recvd); -+ atomic_inc_unchecked(&cm_resets_recvd); - nes_debug(NES_DBG_CM, "Received Reset, cm_node = %p, state = %u." - " refcnt=%d\n", cm_node, cm_node->state, - atomic_read(&cm_node->ref_count)); -@@ -2369,7 +2369,7 @@ static struct nes_cm_node *mini_cm_connect(struct nes_cm_core *cm_core, - rem_ref_cm_node(cm_node->cm_core, cm_node); - return NULL; - } -- atomic_inc(&cm_loopbacks); -+ atomic_inc_unchecked(&cm_loopbacks); - loopbackremotenode->loopbackpartner = cm_node; - loopbackremotenode->tcp_cntxt.rcv_wscale = - NES_CM_DEFAULT_RCV_WND_SCALE; -@@ -2644,7 +2644,7 @@ static int mini_cm_recv_pkt(struct nes_cm_core *cm_core, - nes_queue_mgt_skbs(skb, nesvnic, cm_node->nesqp); - else { - rem_ref_cm_node(cm_core, cm_node); -- atomic_inc(&cm_accel_dropped_pkts); -+ atomic_inc_unchecked(&cm_accel_dropped_pkts); - dev_kfree_skb_any(skb); - } - break; -@@ -2965,7 +2965,7 @@ static int nes_cm_disconn_true(struct nes_qp *nesqp) - - if ((cm_id) && (cm_id->event_handler)) { - if (issue_disconn) { -- atomic_inc(&cm_disconnects); -+ atomic_inc_unchecked(&cm_disconnects); - cm_event.event = IW_CM_EVENT_DISCONNECT; - cm_event.status = disconn_status; - cm_event.local_addr = cm_id->m_local_addr; -@@ -2987,7 +2987,7 @@ static int nes_cm_disconn_true(struct nes_qp *nesqp) - } - - if (issue_close) { -- atomic_inc(&cm_closes); -+ atomic_inc_unchecked(&cm_closes); - nes_disconnect(nesqp, 1); - - cm_id->provider_data = nesqp; -@@ -3124,7 +3124,7 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) - - nes_debug(NES_DBG_CM, "QP%u, cm_node=%p, jiffies = %lu listener = %p\n", - nesqp->hwqp.qp_id, cm_node, jiffies, cm_node->listener); -- atomic_inc(&cm_accepts); -+ atomic_inc_unchecked(&cm_accepts); - - nes_debug(NES_DBG_CM, "netdev refcnt = %u.\n", - netdev_refcnt_read(nesvnic->netdev)); -@@ -3320,7 +3320,7 @@ int nes_reject(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len) - struct nes_cm_core *cm_core; - u8 *start_buff; - -- atomic_inc(&cm_rejects); -+ atomic_inc_unchecked(&cm_rejects); - cm_node = (struct nes_cm_node *)cm_id->provider_data; - loopback = cm_node->loopbackpartner; - cm_core = cm_node->cm_core; -@@ -3382,7 +3382,7 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) - ntohs(raddr->sin_port), ntohl(laddr->sin_addr.s_addr), - ntohs(laddr->sin_port)); - -- atomic_inc(&cm_connects); -+ atomic_inc_unchecked(&cm_connects); - nesqp->active_conn = 1; - - /* cache the cm_id in the qp */ -@@ -3496,7 +3496,7 @@ int nes_create_listen(struct iw_cm_id *cm_id, int backlog) - g_cm_core->api->stop_listener(g_cm_core, (void *)cm_node); - return err; - } -- atomic_inc(&cm_listens_created); -+ atomic_inc_unchecked(&cm_listens_created); - } - - cm_id->add_ref(cm_id); -@@ -3603,7 +3603,7 @@ static void cm_event_connected(struct nes_cm_event *event) - - if (nesqp->destroyed) - return; -- atomic_inc(&cm_connecteds); -+ atomic_inc_unchecked(&cm_connecteds); - nes_debug(NES_DBG_CM, "QP%u attempting to connect to 0x%08X:0x%04X on" - " local port 0x%04X. jiffies = %lu.\n", - nesqp->hwqp.qp_id, ntohl(raddr->sin_addr.s_addr), -@@ -3788,7 +3788,7 @@ static void cm_event_reset(struct nes_cm_event *event) - - cm_id->add_ref(cm_id); - ret = cm_id->event_handler(cm_id, &cm_event); -- atomic_inc(&cm_closes); -+ atomic_inc_unchecked(&cm_closes); - cm_event.event = IW_CM_EVENT_CLOSE; - cm_event.status = 0; - cm_event.provider_data = cm_id->provider_data; -@@ -3828,7 +3828,7 @@ static void cm_event_mpa_req(struct nes_cm_event *event) - return; - cm_id = cm_node->cm_id; - -- atomic_inc(&cm_connect_reqs); -+ atomic_inc_unchecked(&cm_connect_reqs); - nes_debug(NES_DBG_CM, "cm_node = %p - cm_id = %p, jiffies = %lu\n", - cm_node, cm_id, jiffies); - -@@ -3877,7 +3877,7 @@ static void cm_event_mpa_reject(struct nes_cm_event *event) - return; - cm_id = cm_node->cm_id; - -- atomic_inc(&cm_connect_reqs); -+ atomic_inc_unchecked(&cm_connect_reqs); - nes_debug(NES_DBG_CM, "cm_node = %p - cm_id = %p, jiffies = %lu\n", - cm_node, cm_id, jiffies); - -diff --git a/drivers/infiniband/hw/nes/nes_mgt.c b/drivers/infiniband/hw/nes/nes_mgt.c -index 4166452..fc952c3 100644 ---- a/drivers/infiniband/hw/nes/nes_mgt.c -+++ b/drivers/infiniband/hw/nes/nes_mgt.c -@@ -40,8 +40,8 @@ - #include "nes.h" - #include "nes_mgt.h" - --atomic_t pau_qps_created; --atomic_t pau_qps_destroyed; -+atomic_unchecked_t pau_qps_created; -+atomic_unchecked_t pau_qps_destroyed; - - static void nes_replenish_mgt_rq(struct nes_vnic_mgt *mgtvnic) - { -@@ -621,7 +621,7 @@ void nes_destroy_pau_qp(struct nes_device *nesdev, struct nes_qp *nesqp) - { - struct sk_buff *skb; - unsigned long flags; -- atomic_inc(&pau_qps_destroyed); -+ atomic_inc_unchecked(&pau_qps_destroyed); - - /* Free packets that have not yet been forwarded */ - /* Lock is acquired by skb_dequeue when removing the skb */ -@@ -810,7 +810,7 @@ static void nes_mgt_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq * - cq->cq_vbase[head].cqe_words[NES_NIC_CQE_HASH_RCVNXT]); - skb_queue_head_init(&nesqp->pau_list); - spin_lock_init(&nesqp->pau_lock); -- atomic_inc(&pau_qps_created); -+ atomic_inc_unchecked(&pau_qps_created); - nes_change_quad_hash(nesdev, mgtvnic->nesvnic, nesqp); - } - -diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c -index 2b27d13..8f9d46c 100644 ---- a/drivers/infiniband/hw/nes/nes_nic.c -+++ b/drivers/infiniband/hw/nes/nes_nic.c -@@ -461,7 +461,7 @@ static bool nes_nic_send(struct sk_buff *skb, struct net_device *netdev) - /** - * nes_netdev_start_xmit - */ --static int nes_netdev_start_xmit(struct sk_buff *skb, struct net_device *netdev) -+static netdev_tx_t nes_netdev_start_xmit(struct sk_buff *skb, struct net_device *netdev) - { - struct nes_vnic *nesvnic = netdev_priv(netdev); - struct nes_device *nesdev = nesvnic->nesdev; -@@ -1264,36 +1264,36 @@ static void nes_netdev_get_ethtool_stats(struct net_device *netdev, - target_stat_values[++index] = mh_detected; - target_stat_values[++index] = mh_pauses_sent; - target_stat_values[++index] = nesvnic->endnode_ipv4_tcp_retransmits; -- target_stat_values[++index] = atomic_read(&cm_connects); -- target_stat_values[++index] = atomic_read(&cm_accepts); -- target_stat_values[++index] = atomic_read(&cm_disconnects); -- target_stat_values[++index] = atomic_read(&cm_connecteds); -- target_stat_values[++index] = atomic_read(&cm_connect_reqs); -- target_stat_values[++index] = atomic_read(&cm_rejects); -- target_stat_values[++index] = atomic_read(&mod_qp_timouts); -- target_stat_values[++index] = atomic_read(&qps_created); -- target_stat_values[++index] = atomic_read(&sw_qps_destroyed); -- target_stat_values[++index] = atomic_read(&qps_destroyed); -- target_stat_values[++index] = atomic_read(&cm_closes); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_connects); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_accepts); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_disconnects); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_connecteds); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_connect_reqs); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_rejects); -+ target_stat_values[++index] = atomic_read_unchecked(&mod_qp_timouts); -+ target_stat_values[++index] = atomic_read_unchecked(&qps_created); -+ target_stat_values[++index] = atomic_read_unchecked(&sw_qps_destroyed); -+ target_stat_values[++index] = atomic_read_unchecked(&qps_destroyed); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_closes); - target_stat_values[++index] = cm_packets_sent; - target_stat_values[++index] = cm_packets_bounced; - target_stat_values[++index] = cm_packets_created; - target_stat_values[++index] = cm_packets_received; - target_stat_values[++index] = cm_packets_dropped; - target_stat_values[++index] = cm_packets_retrans; -- target_stat_values[++index] = atomic_read(&cm_listens_created); -- target_stat_values[++index] = atomic_read(&cm_listens_destroyed); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_listens_created); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_listens_destroyed); - target_stat_values[++index] = cm_backlog_drops; -- target_stat_values[++index] = atomic_read(&cm_loopbacks); -- target_stat_values[++index] = atomic_read(&cm_nodes_created); -- target_stat_values[++index] = atomic_read(&cm_nodes_destroyed); -- target_stat_values[++index] = atomic_read(&cm_accel_dropped_pkts); -- target_stat_values[++index] = atomic_read(&cm_resets_recvd); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_loopbacks); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_nodes_created); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_nodes_destroyed); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_accel_dropped_pkts); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_resets_recvd); - target_stat_values[++index] = nesadapter->free_4kpbl; - target_stat_values[++index] = nesadapter->free_256pbl; - target_stat_values[++index] = int_mod_timer_init; -- target_stat_values[++index] = atomic_read(&pau_qps_created); -- target_stat_values[++index] = atomic_read(&pau_qps_destroyed); -+ target_stat_values[++index] = atomic_read_unchecked(&pau_qps_created); -+ target_stat_values[++index] = atomic_read_unchecked(&pau_qps_destroyed); - } - - /** -diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c -index bd69125..10e85d5 100644 ---- a/drivers/infiniband/hw/nes/nes_verbs.c -+++ b/drivers/infiniband/hw/nes/nes_verbs.c -@@ -46,9 +46,9 @@ - - #include - --atomic_t mod_qp_timouts; --atomic_t qps_created; --atomic_t sw_qps_destroyed; -+atomic_unchecked_t mod_qp_timouts; -+atomic_unchecked_t qps_created; -+atomic_unchecked_t sw_qps_destroyed; - - static void nes_unregister_ofa_device(struct nes_ib_device *nesibdev); - static int nes_dereg_mr(struct ib_mr *ib_mr); -@@ -1040,7 +1040,7 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd, - if (init_attr->create_flags) - return ERR_PTR(-EINVAL); - -- atomic_inc(&qps_created); -+ atomic_inc_unchecked(&qps_created); - switch (init_attr->qp_type) { - case IB_QPT_RC: - if (nes_drv_opt & NES_DRV_OPT_NO_INLINE_DATA) { -@@ -1376,7 +1376,7 @@ static int nes_destroy_qp(struct ib_qp *ibqp) - struct iw_cm_event cm_event; - int ret = 0; - -- atomic_inc(&sw_qps_destroyed); -+ atomic_inc_unchecked(&sw_qps_destroyed); - nesqp->destroyed = 1; - - /* Blow away the connection if it exists. */ -diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c -index ded2717..a99c0fe 100644 ---- a/drivers/infiniband/hw/qib/qib_iba7322.c -+++ b/drivers/infiniband/hw/qib/qib_iba7322.c -@@ -150,7 +150,7 @@ static struct kparam_string kp_txselect = { - .string = txselect_list, - .maxlen = MAX_ATTEN_LEN - }; --static int setup_txselect(const char *, struct kernel_param *); -+static int setup_txselect(const char *, const struct kernel_param *); - module_param_call(txselect, setup_txselect, param_get_string, - &kp_txselect, S_IWUSR | S_IRUGO); - MODULE_PARM_DESC(txselect, -@@ -6177,7 +6177,7 @@ static void set_no_qsfp_atten(struct qib_devdata *dd, int change) - } - - /* handle the txselect parameter changing */ --static int setup_txselect(const char *str, struct kernel_param *kp) -+static int setup_txselect(const char *str, const struct kernel_param *kp) - { - struct qib_devdata *dd; - unsigned long val; -diff --git a/drivers/infiniband/hw/qib/qib_pcie.c b/drivers/infiniband/hw/qib/qib_pcie.c -index 6abe1c6..f866a31 100644 ---- a/drivers/infiniband/hw/qib/qib_pcie.c -+++ b/drivers/infiniband/hw/qib/qib_pcie.c -@@ -622,7 +622,7 @@ static void qib_tune_pcie_caps(struct qib_devdata *dd) - * PCI error infrastructure, registered via pci - */ - static pci_ers_result_t --qib_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) -+qib_pci_error_detected(struct pci_dev *pdev, enum pci_channel_state state) - { - struct qib_devdata *dd = pci_get_drvdata(pdev); - pci_ers_result_t ret = PCI_ERS_RESULT_RECOVERED; -diff --git a/drivers/infiniband/sw/rxe/rxe_qp.c b/drivers/infiniband/sw/rxe/rxe_qp.c -index 44b2108..88be22a 100644 ---- a/drivers/infiniband/sw/rxe/rxe_qp.c -+++ b/drivers/infiniband/sw/rxe/rxe_qp.c -@@ -219,7 +219,7 @@ static void rxe_qp_init_misc(struct rxe_dev *rxe, struct rxe_qp *qp, - spin_lock_init(&qp->grp_lock); - spin_lock_init(&qp->state_lock); - -- atomic_set(&qp->ssn, 0); -+ atomic_set_unchecked(&qp->ssn, 0); - atomic_set(&qp->skb_out, 0); - } - -@@ -526,7 +526,7 @@ static void rxe_qp_reset(struct rxe_qp *qp) - } - - /* cleanup attributes */ -- atomic_set(&qp->ssn, 0); -+ atomic_set_unchecked(&qp->ssn, 0); - qp->req.opcode = -1; - qp->req.need_retry = 0; - qp->req.noack_pkts = 0; -diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c -index 19841c8..f843af7 100644 ---- a/drivers/infiniband/sw/rxe/rxe_verbs.c -+++ b/drivers/infiniband/sw/rxe/rxe_verbs.c -@@ -757,7 +757,7 @@ static int init_send_wqe(struct rxe_qp *qp, struct ib_send_wr *ibwr, - wqe->dma.cur_sge = 0; - wqe->dma.sge_offset = 0; - wqe->state = wqe_state_posted; -- wqe->ssn = atomic_add_return(1, &qp->ssn); -+ wqe->ssn = atomic_add_return_unchecked(1, &qp->ssn); - - return 0; - } -diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h -index cac1d52..29bb903 100644 ---- a/drivers/infiniband/sw/rxe/rxe_verbs.h -+++ b/drivers/infiniband/sw/rxe/rxe_verbs.h -@@ -262,7 +262,7 @@ struct rxe_qp { - struct rxe_comp_info comp; - struct rxe_resp_info resp; - -- atomic_t ssn; -+ atomic_unchecked_t ssn; - atomic_t skb_out; - int need_req_skb; - -diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c -index 3ef7b8f..52f1d96 100644 ---- a/drivers/infiniband/ulp/ipoib/ipoib_main.c -+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c -@@ -1034,7 +1034,7 @@ static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev, - spin_unlock_irqrestore(&priv->lock, flags); - } - --static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct ipoib_dev_priv *priv = netdev_priv(dev); - struct ipoib_neigh *neigh; -diff --git a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c -index cdc7df4..a2fdfdb 100644 ---- a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c -+++ b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c -@@ -156,7 +156,7 @@ static size_t ipoib_get_size(const struct net_device *dev) - nla_total_size(2); /* IFLA_IPOIB_UMCAST */ - } - --static struct rtnl_link_ops ipoib_link_ops __read_mostly = { -+static struct rtnl_link_ops ipoib_link_ops = { - .kind = "ipoib", - .maxtype = IFLA_IPOIB_MAX, - .policy = ipoib_policy, -diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c -index 0b1f69e..0814f50 100644 ---- a/drivers/infiniband/ulp/srpt/ib_srpt.c -+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c -@@ -80,7 +80,7 @@ module_param(srpt_srq_size, int, 0444); - MODULE_PARM_DESC(srpt_srq_size, - "Shared receive queue (SRQ) size."); - --static int srpt_get_u64_x(char *buffer, struct kernel_param *kp) -+static int srpt_get_u64_x(char *buffer, const struct kernel_param *kp) - { - return sprintf(buffer, "0x%016llx", *(u64 *)kp->arg); - } -@@ -196,8 +196,9 @@ static const char *get_ch_state_name(enum rdma_ch_state s) - /** - * srpt_qp_event() - QP event callback function. - */ --static void srpt_qp_event(struct ib_event *event, struct srpt_rdma_ch *ch) -+static void srpt_qp_event(struct ib_event *event, void *_ch) - { -+ struct srpt_rdma_ch *ch = _ch; - pr_debug("QP event %d on cm_id=%p sess_name=%s state=%d\n", - event->event, ch->cm_id, ch->sess_name, ch->state); - -@@ -1628,8 +1629,7 @@ static int srpt_create_ch_ib(struct srpt_rdma_ch *ch) - } - - qp_init->qp_context = (void *)ch; -- qp_init->event_handler -- = (void(*)(struct ib_event *, void*))srpt_qp_event; -+ qp_init->event_handler = srpt_qp_event; - qp_init->send_cq = ch->cq; - qp_init->recv_cq = ch->cq; - qp_init->srq = sdev->srq; -diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c -index e9ae3d5..96e4940 100644 ---- a/drivers/input/evdev.c -+++ b/drivers/input/evdev.c -@@ -997,7 +997,7 @@ static int evdev_set_mask(struct evdev_client *client, - if (!cnt) - return 0; - -- mask = kcalloc(sizeof(unsigned long), BITS_TO_LONGS(cnt), GFP_KERNEL); -+ mask = kcalloc(BITS_TO_LONGS(cnt), sizeof(unsigned long), GFP_KERNEL); - if (!mask) - return -ENOMEM; - -diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c -index 4a2a9e3..b9261a7 100644 ---- a/drivers/input/gameport/gameport.c -+++ b/drivers/input/gameport/gameport.c -@@ -527,14 +527,14 @@ EXPORT_SYMBOL(gameport_set_phys); - */ - static void gameport_init_port(struct gameport *gameport) - { -- static atomic_t gameport_no = ATOMIC_INIT(-1); -+ static atomic_unchecked_t gameport_no = ATOMIC_INIT(-1); - - __module_get(THIS_MODULE); - - mutex_init(&gameport->drv_mutex); - device_initialize(&gameport->dev); - dev_set_name(&gameport->dev, "gameport%lu", -- (unsigned long)atomic_inc_return(&gameport_no)); -+ (unsigned long)atomic_inc_return_unchecked(&gameport_no)); - gameport->dev.bus = &gameport_bus; - gameport->dev.release = gameport_release_port; - if (gameport->parent) -diff --git a/drivers/input/input.c b/drivers/input/input.c -index d95c34e..2a6da5f 100644 ---- a/drivers/input/input.c -+++ b/drivers/input/input.c -@@ -1780,7 +1780,7 @@ EXPORT_SYMBOL_GPL(input_class); - */ - struct input_dev *input_allocate_device(void) - { -- static atomic_t input_no = ATOMIC_INIT(-1); -+ static atomic_unchecked_t input_no = ATOMIC_INIT(-1); - struct input_dev *dev; - - dev = kzalloc(sizeof(struct input_dev), GFP_KERNEL); -@@ -1795,7 +1795,7 @@ struct input_dev *input_allocate_device(void) - INIT_LIST_HEAD(&dev->node); - - dev_set_name(&dev->dev, "input%lu", -- (unsigned long)atomic_inc_return(&input_no)); -+ (unsigned long)atomic_inc_return_unchecked(&input_no)); - - __module_get(THIS_MODULE); - } -diff --git a/drivers/input/joystick/sidewinder.c b/drivers/input/joystick/sidewinder.c -index 4a95b22..874c182 100644 ---- a/drivers/input/joystick/sidewinder.c -+++ b/drivers/input/joystick/sidewinder.c -@@ -30,6 +30,7 @@ - #include - #include - #include -+#include - #include - #include - #include -diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c -index f4e8fbe..0efd9d6 100644 ---- a/drivers/input/misc/ims-pcu.c -+++ b/drivers/input/misc/ims-pcu.c -@@ -1859,7 +1859,7 @@ static int ims_pcu_identify_type(struct ims_pcu *pcu, u8 *device_id) - - static int ims_pcu_init_application_mode(struct ims_pcu *pcu) - { -- static atomic_t device_no = ATOMIC_INIT(-1); -+ static atomic_unchecked_t device_no = ATOMIC_INIT(-1); - - const struct ims_pcu_device_info *info; - int error; -@@ -1890,7 +1890,7 @@ static int ims_pcu_init_application_mode(struct ims_pcu *pcu) - } - - /* Device appears to be operable, complete initialization */ -- pcu->device_no = atomic_inc_return(&device_no); -+ pcu->device_no = atomic_inc_return_unchecked(&device_no); - - /* - * PCU-B devices, both GEN_1 and GEN_2 do not have OFN sensor -diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h -index e0ca6cd..b5a2681 100644 ---- a/drivers/input/mouse/psmouse.h -+++ b/drivers/input/mouse/psmouse.h -@@ -126,7 +126,7 @@ struct psmouse_attribute { - ssize_t (*set)(struct psmouse *psmouse, void *data, - const char *buf, size_t count); - bool protect; --}; -+} __do_const; - #define to_psmouse_attr(a) container_of((a), struct psmouse_attribute, dattr) - - ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr, -diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c -index b604564..3f14ae4 100644 ---- a/drivers/input/mousedev.c -+++ b/drivers/input/mousedev.c -@@ -744,7 +744,7 @@ static ssize_t mousedev_read(struct file *file, char __user *buffer, - - spin_unlock_irq(&client->packet_lock); - -- if (copy_to_user(buffer, data, count)) -+ if (count > sizeof(data) || copy_to_user(buffer, data, count)) - return -EFAULT; - - return count; -diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c -index 1ca7f55..2562607 100644 ---- a/drivers/input/serio/serio.c -+++ b/drivers/input/serio/serio.c -@@ -512,7 +512,7 @@ static void serio_release_port(struct device *dev) - */ - static void serio_init_port(struct serio *serio) - { -- static atomic_t serio_no = ATOMIC_INIT(-1); -+ static atomic_unchecked_t serio_no = ATOMIC_INIT(-1); - - __module_get(THIS_MODULE); - -@@ -523,7 +523,7 @@ static void serio_init_port(struct serio *serio) - mutex_init(&serio->drv_mutex); - device_initialize(&serio->dev); - dev_set_name(&serio->dev, "serio%lu", -- (unsigned long)atomic_inc_return(&serio_no)); -+ (unsigned long)atomic_inc_return_unchecked(&serio_no)); - serio->dev.bus = &serio_bus; - serio->dev.release = serio_release_port; - serio->dev.groups = serio_device_attr_groups; -diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c -index 71ef5d6..93380a9 100644 ---- a/drivers/input/serio/serio_raw.c -+++ b/drivers/input/serio/serio_raw.c -@@ -292,7 +292,7 @@ static irqreturn_t serio_raw_interrupt(struct serio *serio, unsigned char data, - - static int serio_raw_connect(struct serio *serio, struct serio_driver *drv) - { -- static atomic_t serio_raw_no = ATOMIC_INIT(-1); -+ static atomic_unchecked_t serio_raw_no = ATOMIC_INIT(-1); - struct serio_raw *serio_raw; - int err; - -@@ -303,7 +303,7 @@ static int serio_raw_connect(struct serio *serio, struct serio_driver *drv) - } - - snprintf(serio_raw->name, sizeof(serio_raw->name), -- "serio_raw%ld", (long)atomic_inc_return(&serio_raw_no)); -+ "serio_raw%ld", (long)atomic_inc_return_unchecked(&serio_raw_no)); - kref_init(&serio_raw->kref); - INIT_LIST_HEAD(&serio_raw->client_list); - init_waitqueue_head(&serio_raw->wait); -diff --git a/drivers/input/touchscreen/htcpen.c b/drivers/input/touchscreen/htcpen.c -index 92e2243..8fd9092 100644 ---- a/drivers/input/touchscreen/htcpen.c -+++ b/drivers/input/touchscreen/htcpen.c -@@ -219,7 +219,7 @@ static struct isa_driver htcpen_isa_driver = { - } - }; - --static struct dmi_system_id htcshift_dmi_table[] __initdata = { -+static const struct dmi_system_id htcshift_dmi_table[] __initconst = { - { - .ident = "Shift", - .matches = { -diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c -index 11a13b5..f1e5481 100644 ---- a/drivers/iommu/amd_iommu.c -+++ b/drivers/iommu/amd_iommu.c -@@ -859,11 +859,21 @@ static void copy_cmd_to_buffer(struct amd_iommu *iommu, - - static void build_completion_wait(struct iommu_cmd *cmd, u64 address) - { -+ phys_addr_t physaddr; - WARN_ON(address & 0x7ULL); - - memset(cmd, 0, sizeof(*cmd)); -- cmd->data[0] = lower_32_bits(__pa(address)) | CMD_COMPL_WAIT_STORE_MASK; -- cmd->data[1] = upper_32_bits(__pa(address)); -+ -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ if (object_starts_on_stack((void *)address)) { -+ void *adjbuf = (void *)address - current->stack + current->lowmem_stack; -+ physaddr = __pa((u64)adjbuf); -+ } else -+#endif -+ physaddr = __pa(address); -+ -+ cmd->data[0] = lower_32_bits(physaddr) | CMD_COMPL_WAIT_STORE_MASK; -+ cmd->data[1] = upper_32_bits(physaddr); - cmd->data[2] = 1; - CMD_SET_TYPE(cmd, CMD_COMPL_WAIT); - } -diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c -index e6f9b2d..89c5054 100644 ---- a/drivers/iommu/arm-smmu-v3.c -+++ b/drivers/iommu/arm-smmu-v3.c -@@ -633,7 +633,7 @@ struct arm_smmu_domain { - struct arm_smmu_device *smmu; - struct mutex init_mutex; /* Protects smmu pointer */ - -- struct io_pgtable_ops *pgtbl_ops; -+ struct io_pgtable *pgtbl; - spinlock_t pgtbl_lock; - - enum arm_smmu_domain_stage stage; -@@ -1430,7 +1430,7 @@ static void arm_smmu_domain_free(struct iommu_domain *domain) - struct arm_smmu_device *smmu = smmu_domain->smmu; - - iommu_put_dma_cookie(domain); -- free_io_pgtable_ops(smmu_domain->pgtbl_ops); -+ free_io_pgtable(smmu_domain->pgtbl); - - /* Free the CD and ASID, if we allocated them */ - if (smmu_domain->stage == ARM_SMMU_DOMAIN_S1) { -@@ -1508,7 +1508,7 @@ static int arm_smmu_domain_finalise(struct iommu_domain *domain) - unsigned long ias, oas; - enum io_pgtable_fmt fmt; - struct io_pgtable_cfg pgtbl_cfg; -- struct io_pgtable_ops *pgtbl_ops; -+ struct io_pgtable *iop; - int (*finalise_stage_fn)(struct arm_smmu_domain *, - struct io_pgtable_cfg *); - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); -@@ -1546,18 +1546,18 @@ static int arm_smmu_domain_finalise(struct iommu_domain *domain) - .iommu_dev = smmu->dev, - }; - -- pgtbl_ops = alloc_io_pgtable_ops(fmt, &pgtbl_cfg, smmu_domain); -- if (!pgtbl_ops) -+ iop = alloc_io_pgtable(fmt, &pgtbl_cfg, smmu_domain); -+ if (!iop) - return -ENOMEM; - - domain->pgsize_bitmap = pgtbl_cfg.pgsize_bitmap; - domain->geometry.aperture_end = (1UL << ias) - 1; - domain->geometry.force_aperture = true; -- smmu_domain->pgtbl_ops = pgtbl_ops; -+ smmu_domain->pgtbl = iop; - - ret = finalise_stage_fn(smmu_domain, &pgtbl_cfg); - if (ret < 0) -- free_io_pgtable_ops(pgtbl_ops); -+ free_io_pgtable(iop); - - return ret; - } -@@ -1673,13 +1673,13 @@ static int arm_smmu_map(struct iommu_domain *domain, unsigned long iova, - int ret; - unsigned long flags; - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); -- struct io_pgtable_ops *ops = smmu_domain->pgtbl_ops; -+ struct io_pgtable *iop = smmu_domain->pgtbl; - -- if (!ops) -+ if (!iop) - return -ENODEV; - - spin_lock_irqsave(&smmu_domain->pgtbl_lock, flags); -- ret = ops->map(ops, iova, paddr, size, prot); -+ ret = iop->ops->map(iop, iova, paddr, size, prot); - spin_unlock_irqrestore(&smmu_domain->pgtbl_lock, flags); - return ret; - } -@@ -1690,13 +1690,13 @@ arm_smmu_unmap(struct iommu_domain *domain, unsigned long iova, size_t size) - size_t ret; - unsigned long flags; - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); -- struct io_pgtable_ops *ops = smmu_domain->pgtbl_ops; -+ struct io_pgtable *iop = smmu_domain->pgtbl; - -- if (!ops) -+ if (!iop) - return 0; - - spin_lock_irqsave(&smmu_domain->pgtbl_lock, flags); -- ret = ops->unmap(ops, iova, size); -+ ret = iop->ops->unmap(iop, iova, size); - spin_unlock_irqrestore(&smmu_domain->pgtbl_lock, flags); - return ret; - } -@@ -1707,13 +1707,13 @@ arm_smmu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova) - phys_addr_t ret; - unsigned long flags; - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); -- struct io_pgtable_ops *ops = smmu_domain->pgtbl_ops; -+ struct io_pgtable *iop = smmu_domain->pgtbl; - -- if (!ops) -+ if (!iop) - return 0; - - spin_lock_irqsave(&smmu_domain->pgtbl_lock, flags); -- ret = ops->iova_to_phys(ops, iova); -+ ret = iop->ops->iova_to_phys(iop, iova); - spin_unlock_irqrestore(&smmu_domain->pgtbl_lock, flags); - - return ret; -diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c -index 8f72814..02ff894 100644 ---- a/drivers/iommu/arm-smmu.c -+++ b/drivers/iommu/arm-smmu.c -@@ -405,7 +405,7 @@ enum arm_smmu_domain_stage { - - struct arm_smmu_domain { - struct arm_smmu_device *smmu; -- struct io_pgtable_ops *pgtbl_ops; -+ struct io_pgtable *pgtbl; - spinlock_t pgtbl_lock; - struct arm_smmu_cfg cfg; - enum arm_smmu_domain_stage stage; -@@ -811,7 +811,7 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, - { - int irq, start, ret = 0; - unsigned long ias, oas; -- struct io_pgtable_ops *pgtbl_ops; -+ struct io_pgtable *pgtbl; - struct io_pgtable_cfg pgtbl_cfg; - enum io_pgtable_fmt fmt; - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); -@@ -933,8 +933,8 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, - }; - - smmu_domain->smmu = smmu; -- pgtbl_ops = alloc_io_pgtable_ops(fmt, &pgtbl_cfg, smmu_domain); -- if (!pgtbl_ops) { -+ pgtbl = alloc_io_pgtable(fmt, &pgtbl_cfg, smmu_domain); -+ if (!pgtbl) { - ret = -ENOMEM; - goto out_clear_smmu; - } -@@ -963,7 +963,7 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, - mutex_unlock(&smmu_domain->init_mutex); - - /* Publish page table ops for map/unmap */ -- smmu_domain->pgtbl_ops = pgtbl_ops; -+ smmu_domain->pgtbl = pgtbl; - return 0; - - out_clear_smmu: -@@ -996,7 +996,7 @@ static void arm_smmu_destroy_domain_context(struct iommu_domain *domain) - devm_free_irq(smmu->dev, irq, domain); - } - -- free_io_pgtable_ops(smmu_domain->pgtbl_ops); -+ free_io_pgtable(smmu_domain->pgtbl); - __arm_smmu_free_bitmap(smmu->context_map, cfg->cbndx); - } - -@@ -1267,13 +1267,13 @@ static int arm_smmu_map(struct iommu_domain *domain, unsigned long iova, - int ret; - unsigned long flags; - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); -- struct io_pgtable_ops *ops= smmu_domain->pgtbl_ops; -+ struct io_pgtable *iop = smmu_domain->pgtbl; - -- if (!ops) -+ if (!iop) - return -ENODEV; - - spin_lock_irqsave(&smmu_domain->pgtbl_lock, flags); -- ret = ops->map(ops, iova, paddr, size, prot); -+ ret = iop->ops->map(iop, iova, paddr, size, prot); - spin_unlock_irqrestore(&smmu_domain->pgtbl_lock, flags); - return ret; - } -@@ -1284,13 +1284,13 @@ static size_t arm_smmu_unmap(struct iommu_domain *domain, unsigned long iova, - size_t ret; - unsigned long flags; - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); -- struct io_pgtable_ops *ops= smmu_domain->pgtbl_ops; -+ struct io_pgtable *iop = smmu_domain->pgtbl; - -- if (!ops) -+ if (!iop) - return 0; - - spin_lock_irqsave(&smmu_domain->pgtbl_lock, flags); -- ret = ops->unmap(ops, iova, size); -+ ret = iop->ops->unmap(iop, iova, size); - spin_unlock_irqrestore(&smmu_domain->pgtbl_lock, flags); - return ret; - } -@@ -1301,7 +1301,7 @@ static phys_addr_t arm_smmu_iova_to_phys_hard(struct iommu_domain *domain, - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); - struct arm_smmu_device *smmu = smmu_domain->smmu; - struct arm_smmu_cfg *cfg = &smmu_domain->cfg; -- struct io_pgtable_ops *ops= smmu_domain->pgtbl_ops; -+ struct io_pgtable *iop = smmu_domain->pgtbl; - struct device *dev = smmu->dev; - void __iomem *cb_base; - u32 tmp; -@@ -1322,7 +1322,7 @@ static phys_addr_t arm_smmu_iova_to_phys_hard(struct iommu_domain *domain, - dev_err(dev, - "iova to phys timed out on %pad. Falling back to software table walk.\n", - &iova); -- return ops->iova_to_phys(ops, iova); -+ return iop->ops->iova_to_phys(iop, iova); - } - - phys = readq_relaxed(cb_base + ARM_SMMU_CB_PAR); -@@ -1341,9 +1341,9 @@ static phys_addr_t arm_smmu_iova_to_phys(struct iommu_domain *domain, - phys_addr_t ret; - unsigned long flags; - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); -- struct io_pgtable_ops *ops= smmu_domain->pgtbl_ops; -+ struct io_pgtable *iop = smmu_domain->pgtbl; - -- if (!ops) -+ if (!iop) - return 0; - - spin_lock_irqsave(&smmu_domain->pgtbl_lock, flags); -@@ -1351,7 +1351,7 @@ static phys_addr_t arm_smmu_iova_to_phys(struct iommu_domain *domain, - smmu_domain->stage == ARM_SMMU_DOMAIN_S1) { - ret = arm_smmu_iova_to_phys_hard(domain, iova); - } else { -- ret = ops->iova_to_phys(ops, iova); -+ ret = iop->ops->iova_to_phys(iop, iova); - } - - spin_unlock_irqrestore(&smmu_domain->pgtbl_lock, flags); -@@ -1862,10 +1862,12 @@ static int arm_smmu_device_cfg_probe(struct arm_smmu_device *smmu) - if (smmu->features & ARM_SMMU_FEAT_FMT_AARCH64_64K) - smmu->pgsize_bitmap |= SZ_64K | SZ_512M; - -+ pax_open_kernel(); - if (arm_smmu_ops.pgsize_bitmap == -1UL) -- arm_smmu_ops.pgsize_bitmap = smmu->pgsize_bitmap; -+ const_cast(arm_smmu_ops.pgsize_bitmap) = smmu->pgsize_bitmap; - else -- arm_smmu_ops.pgsize_bitmap |= smmu->pgsize_bitmap; -+ const_cast(arm_smmu_ops.pgsize_bitmap) |= smmu->pgsize_bitmap; -+ pax_close_kernel(); - dev_notice(smmu->dev, "\tSupported page sizes: 0x%08lx\n", - smmu->pgsize_bitmap); - -diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c -index f50e51c..02c0247 100644 ---- a/drivers/iommu/io-pgtable-arm-v7s.c -+++ b/drivers/iommu/io-pgtable-arm-v7s.c -@@ -49,9 +49,6 @@ - #define io_pgtable_to_data(x) \ - container_of((x), struct arm_v7s_io_pgtable, iop) - --#define io_pgtable_ops_to_data(x) \ -- io_pgtable_to_data(io_pgtable_ops_to_pgtable(x)) -- - /* - * We have 32 bits total; 12 bits resolved at level 1, 8 bits at level 2, - * and 12 bits in a page. With some carefully-chosen coefficients we can -@@ -426,11 +423,10 @@ static int __arm_v7s_map(struct arm_v7s_io_pgtable *data, unsigned long iova, - return __arm_v7s_map(data, iova, paddr, size, prot, lvl + 1, cptep); - } - --static int arm_v7s_map(struct io_pgtable_ops *ops, unsigned long iova, -+static int arm_v7s_map(struct io_pgtable *iop, unsigned long iova, - phys_addr_t paddr, size_t size, int prot) - { -- struct arm_v7s_io_pgtable *data = io_pgtable_ops_to_data(ops); -- struct io_pgtable *iop = &data->iop; -+ struct arm_v7s_io_pgtable *data = io_pgtable_to_data(iop); - int ret; - - /* If no access, then nothing to do */ -@@ -593,10 +589,10 @@ static int __arm_v7s_unmap(struct arm_v7s_io_pgtable *data, - return __arm_v7s_unmap(data, iova, size, lvl + 1, ptep); - } - --static int arm_v7s_unmap(struct io_pgtable_ops *ops, unsigned long iova, -+static int arm_v7s_unmap(struct io_pgtable *iop, unsigned long iova, - size_t size) - { -- struct arm_v7s_io_pgtable *data = io_pgtable_ops_to_data(ops); -+ struct arm_v7s_io_pgtable *data = io_pgtable_to_data(iop); - size_t unmapped; - - unmapped = __arm_v7s_unmap(data, iova, size, 1, data->pgd); -@@ -606,10 +602,10 @@ static int arm_v7s_unmap(struct io_pgtable_ops *ops, unsigned long iova, - return unmapped; - } - --static phys_addr_t arm_v7s_iova_to_phys(struct io_pgtable_ops *ops, -+static phys_addr_t arm_v7s_iova_to_phys(struct io_pgtable *iop, - unsigned long iova) - { -- struct arm_v7s_io_pgtable *data = io_pgtable_ops_to_data(ops); -+ struct arm_v7s_io_pgtable *data = io_pgtable_to_data(iop); - arm_v7s_iopte *ptep = data->pgd, pte; - int lvl = 0; - u32 mask; -@@ -628,6 +624,12 @@ static phys_addr_t arm_v7s_iova_to_phys(struct io_pgtable_ops *ops, - return (pte & mask) | (iova & ~mask); - } - -+static struct io_pgtable_ops arm_v7s_io_pgtable_ops = { -+ .map = arm_v7s_map, -+ .unmap = arm_v7s_unmap, -+ .iova_to_phys = arm_v7s_iova_to_phys, -+}; -+ - static struct io_pgtable *arm_v7s_alloc_pgtable(struct io_pgtable_cfg *cfg, - void *cookie) - { -@@ -662,11 +664,7 @@ static struct io_pgtable *arm_v7s_alloc_pgtable(struct io_pgtable_cfg *cfg, - if (!data->l2_tables) - goto out_free_data; - -- data->iop.ops = (struct io_pgtable_ops) { -- .map = arm_v7s_map, -- .unmap = arm_v7s_unmap, -- .iova_to_phys = arm_v7s_iova_to_phys, -- }; -+ data->iop.ops = &arm_v7s_io_pgtable_ops; - - /* We have to do this early for __arm_v7s_alloc_table to work... */ - data->iop.cfg = *cfg; -@@ -755,7 +753,7 @@ static struct iommu_gather_ops dummy_tlb_ops = { - - static int __init arm_v7s_do_selftests(void) - { -- struct io_pgtable_ops *ops; -+ struct io_pgtable *pgtbl; - struct io_pgtable_cfg cfg = { - .tlb = &dummy_tlb_ops, - .oas = 32, -@@ -770,8 +768,8 @@ static int __init arm_v7s_do_selftests(void) - - cfg_cookie = &cfg; - -- ops = alloc_io_pgtable_ops(ARM_V7S, &cfg, &cfg); -- if (!ops) { -+ pgtbl = alloc_io_pgtable(ARM_V7S, &cfg, &cfg); -+ if (!pgtbl) { - pr_err("selftest: failed to allocate io pgtable ops\n"); - return -EINVAL; - } -@@ -780,13 +778,13 @@ static int __init arm_v7s_do_selftests(void) - * Initial sanity checks. - * Empty page tables shouldn't provide any translations. - */ -- if (ops->iova_to_phys(ops, 42)) -+ if (pgtbl->ops->iova_to_phys(pgtbl, 42)) - return __FAIL(ops); - -- if (ops->iova_to_phys(ops, SZ_1G + 42)) -+ if (pgtbl->ops->iova_to_phys(pgtbl, SZ_1G + 42)) - return __FAIL(ops); - -- if (ops->iova_to_phys(ops, SZ_2G + 42)) -+ if (pgtbl->ops->iova_to_phys(pgtbl, SZ_2G + 42)) - return __FAIL(ops); - - /* -@@ -796,18 +794,18 @@ static int __init arm_v7s_do_selftests(void) - i = find_first_bit(&cfg.pgsize_bitmap, BITS_PER_LONG); - while (i != BITS_PER_LONG) { - size = 1UL << i; -- if (ops->map(ops, iova, iova, size, IOMMU_READ | -+ if (pgtbl->ops->map(pgtbl, iova, iova, size, IOMMU_READ | - IOMMU_WRITE | - IOMMU_NOEXEC | - IOMMU_CACHE)) - return __FAIL(ops); - - /* Overlapping mappings */ -- if (!ops->map(ops, iova, iova + size, size, -+ if (!pgtbl->ops->map(pgtbl, iova, iova + size, size, - IOMMU_READ | IOMMU_NOEXEC)) - return __FAIL(ops); - -- if (ops->iova_to_phys(ops, iova + 42) != (iova + 42)) -+ if (pgtbl->ops->iova_to_phys(pgtbl, iova + 42) != (iova + 42)) - return __FAIL(ops); - - iova += SZ_16M; -@@ -821,14 +819,14 @@ static int __init arm_v7s_do_selftests(void) - size = 1UL << __ffs(cfg.pgsize_bitmap); - while (i < loopnr) { - iova_start = i * SZ_16M; -- if (ops->unmap(ops, iova_start + size, size) != size) -+ if (pgtbl->ops->unmap(pgtbl, iova_start + size, size) != size) - return __FAIL(ops); - - /* Remap of partial unmap */ -- if (ops->map(ops, iova_start + size, size, size, IOMMU_READ)) -+ if (pgtbl->ops->map(pgtbl, iova_start + size, size, size, IOMMU_READ)) - return __FAIL(ops); - -- if (ops->iova_to_phys(ops, iova_start + size + 42) -+ if (pgtbl->ops->iova_to_phys(pgtbl, iova_start + size + 42) - != (size + 42)) - return __FAIL(ops); - i++; -@@ -840,17 +838,17 @@ static int __init arm_v7s_do_selftests(void) - while (i != BITS_PER_LONG) { - size = 1UL << i; - -- if (ops->unmap(ops, iova, size) != size) -+ if (pgtbl->ops->unmap(pgtbl, iova, size) != size) - return __FAIL(ops); - -- if (ops->iova_to_phys(ops, iova + 42)) -+ if (pgtbl->ops->iova_to_phys(pgtbl, iova + 42)) - return __FAIL(ops); - - /* Remap full block */ -- if (ops->map(ops, iova, iova, size, IOMMU_WRITE)) -+ if (pgtbl->ops->map(pgtbl, iova, iova, size, IOMMU_WRITE)) - return __FAIL(ops); - -- if (ops->iova_to_phys(ops, iova + 42) != (iova + 42)) -+ if (pgtbl->ops->iova_to_phys(pgtbl, iova + 42) != (iova + 42)) - return __FAIL(ops); - - iova += SZ_16M; -@@ -858,7 +856,7 @@ static int __init arm_v7s_do_selftests(void) - i = find_next_bit(&cfg.pgsize_bitmap, BITS_PER_LONG, i); - } - -- free_io_pgtable_ops(ops); -+ free_io_pgtable(pgtbl); - - selftest_running = false; - -diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c -index f5c90e1..90a737c 100644 ---- a/drivers/iommu/io-pgtable-arm.c -+++ b/drivers/iommu/io-pgtable-arm.c -@@ -39,9 +39,6 @@ - #define io_pgtable_to_data(x) \ - container_of((x), struct arm_lpae_io_pgtable, iop) - --#define io_pgtable_ops_to_data(x) \ -- io_pgtable_to_data(io_pgtable_ops_to_pgtable(x)) -- - /* - * For consistency with the architecture, we always consider - * ARM_LPAE_MAX_LEVELS levels, with the walk starting at level n >=0 -@@ -381,10 +378,10 @@ static arm_lpae_iopte arm_lpae_prot_to_pte(struct arm_lpae_io_pgtable *data, - return pte; - } - --static int arm_lpae_map(struct io_pgtable_ops *ops, unsigned long iova, -+static int arm_lpae_map(struct io_pgtable *iop, unsigned long iova, - phys_addr_t paddr, size_t size, int iommu_prot) - { -- struct arm_lpae_io_pgtable *data = io_pgtable_ops_to_data(ops); -+ struct arm_lpae_io_pgtable *data = io_pgtable_to_data(iop); - arm_lpae_iopte *ptep = data->pgd; - int ret, lvl = ARM_LPAE_START_LVL(data); - arm_lpae_iopte prot; -@@ -530,11 +527,11 @@ static int __arm_lpae_unmap(struct arm_lpae_io_pgtable *data, - return __arm_lpae_unmap(data, iova, size, lvl + 1, ptep); - } - --static int arm_lpae_unmap(struct io_pgtable_ops *ops, unsigned long iova, -+static int arm_lpae_unmap(struct io_pgtable *iop, unsigned long iova, - size_t size) - { - size_t unmapped; -- struct arm_lpae_io_pgtable *data = io_pgtable_ops_to_data(ops); -+ struct arm_lpae_io_pgtable *data = io_pgtable_to_data(iop); - arm_lpae_iopte *ptep = data->pgd; - int lvl = ARM_LPAE_START_LVL(data); - -@@ -545,10 +542,10 @@ static int arm_lpae_unmap(struct io_pgtable_ops *ops, unsigned long iova, - return unmapped; - } - --static phys_addr_t arm_lpae_iova_to_phys(struct io_pgtable_ops *ops, -+static phys_addr_t arm_lpae_iova_to_phys(struct io_pgtable *iop, - unsigned long iova) - { -- struct arm_lpae_io_pgtable *data = io_pgtable_ops_to_data(ops); -+ struct arm_lpae_io_pgtable *data = io_pgtable_to_data(iop); - arm_lpae_iopte pte, *ptep = data->pgd; - int lvl = ARM_LPAE_START_LVL(data); - -@@ -615,6 +612,12 @@ static void arm_lpae_restrict_pgsizes(struct io_pgtable_cfg *cfg) - } - } - -+static struct io_pgtable_ops arm_lpae_io_pgtable_ops = { -+ .map = arm_lpae_map, -+ .unmap = arm_lpae_unmap, -+ .iova_to_phys = arm_lpae_iova_to_phys, -+}; -+ - static struct arm_lpae_io_pgtable * - arm_lpae_alloc_pgtable(struct io_pgtable_cfg *cfg) - { -@@ -651,11 +654,7 @@ arm_lpae_alloc_pgtable(struct io_pgtable_cfg *cfg) - pgd_bits = va_bits - (data->bits_per_level * (data->levels - 1)); - data->pgd_size = 1UL << (pgd_bits + ilog2(sizeof(arm_lpae_iopte))); - -- data->iop.ops = (struct io_pgtable_ops) { -- .map = arm_lpae_map, -- .unmap = arm_lpae_unmap, -- .iova_to_phys = arm_lpae_iova_to_phys, -- }; -+ data->iop.ops = &arm_lpae_io_pgtable_ops; - - return data; - } -@@ -916,15 +915,15 @@ static void dummy_tlb_sync(void *cookie) - WARN_ON(cookie != cfg_cookie); - } - --static struct iommu_gather_ops dummy_tlb_ops __initdata = { -+static const struct iommu_gather_ops dummy_tlb_ops __initconst = { - .tlb_flush_all = dummy_tlb_flush_all, - .tlb_add_flush = dummy_tlb_add_flush, - .tlb_sync = dummy_tlb_sync, - }; - --static void __init arm_lpae_dump_ops(struct io_pgtable_ops *ops) -+static void __init arm_lpae_dump_ops(struct io_pgtable *iop) - { -- struct arm_lpae_io_pgtable *data = io_pgtable_ops_to_data(ops); -+ struct arm_lpae_io_pgtable *data = io_pgtable_to_data(iop); - struct io_pgtable_cfg *cfg = &data->iop.cfg; - - pr_err("cfg: pgsize_bitmap 0x%lx, ias %u-bit\n", -@@ -934,9 +933,9 @@ static void __init arm_lpae_dump_ops(struct io_pgtable_ops *ops) - data->bits_per_level, data->pgd); - } - --#define __FAIL(ops, i) ({ \ -+#define __FAIL(iop, i) ({ \ - WARN(1, "selftest: test failed for fmt idx %d\n", (i)); \ -- arm_lpae_dump_ops(ops); \ -+ arm_lpae_dump_ops(iop); \ - selftest_running = false; \ - -EFAULT; \ - }) -@@ -951,30 +950,32 @@ static int __init arm_lpae_run_tests(struct io_pgtable_cfg *cfg) - int i, j; - unsigned long iova; - size_t size; -- struct io_pgtable_ops *ops; -+ struct io_pgtable *iop; -+ const struct io_pgtable_ops *ops; - - selftest_running = true; - - for (i = 0; i < ARRAY_SIZE(fmts); ++i) { - cfg_cookie = cfg; -- ops = alloc_io_pgtable_ops(fmts[i], cfg, cfg); -- if (!ops) { -+ iop = alloc_io_pgtable(fmts[i], cfg, cfg); -+ if (!iop) { - pr_err("selftest: failed to allocate io pgtable ops\n"); - return -ENOMEM; - } -+ ops = iop->ops; - - /* - * Initial sanity checks. - * Empty page tables shouldn't provide any translations. - */ -- if (ops->iova_to_phys(ops, 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, 42)) -+ return __FAIL(iop, i); - -- if (ops->iova_to_phys(ops, SZ_1G + 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, SZ_1G + 42)) -+ return __FAIL(iop, i); - -- if (ops->iova_to_phys(ops, SZ_2G + 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, SZ_2G + 42)) -+ return __FAIL(iop, i); - - /* - * Distinct mappings of different granule sizes. -@@ -984,19 +985,19 @@ static int __init arm_lpae_run_tests(struct io_pgtable_cfg *cfg) - while (j != BITS_PER_LONG) { - size = 1UL << j; - -- if (ops->map(ops, iova, iova, size, IOMMU_READ | -+ if (ops->map(iop, iova, iova, size, IOMMU_READ | - IOMMU_WRITE | - IOMMU_NOEXEC | - IOMMU_CACHE)) -- return __FAIL(ops, i); -+ return __FAIL(iop, i); - - /* Overlapping mappings */ -- if (!ops->map(ops, iova, iova + size, size, -+ if (!ops->map(iop, iova, iova + size, size, - IOMMU_READ | IOMMU_NOEXEC)) -- return __FAIL(ops, i); -+ return __FAIL(iop, i); - -- if (ops->iova_to_phys(ops, iova + 42) != (iova + 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, iova + 42) != (iova + 42)) -+ return __FAIL(iop, i); - - iova += SZ_1G; - j++; -@@ -1005,15 +1006,15 @@ static int __init arm_lpae_run_tests(struct io_pgtable_cfg *cfg) - - /* Partial unmap */ - size = 1UL << __ffs(cfg->pgsize_bitmap); -- if (ops->unmap(ops, SZ_1G + size, size) != size) -- return __FAIL(ops, i); -+ if (ops->unmap(iop, SZ_1G + size, size) != size) -+ return __FAIL(iop, i); - - /* Remap of partial unmap */ -- if (ops->map(ops, SZ_1G + size, size, size, IOMMU_READ)) -- return __FAIL(ops, i); -+ if (ops->map(iop, SZ_1G + size, size, size, IOMMU_READ)) -+ return __FAIL(iop, i); - -- if (ops->iova_to_phys(ops, SZ_1G + size + 42) != (size + 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, SZ_1G + size + 42) != (size + 42)) -+ return __FAIL(iop, i); - - /* Full unmap */ - iova = 0; -@@ -1021,25 +1022,25 @@ static int __init arm_lpae_run_tests(struct io_pgtable_cfg *cfg) - while (j != BITS_PER_LONG) { - size = 1UL << j; - -- if (ops->unmap(ops, iova, size) != size) -- return __FAIL(ops, i); -+ if (ops->unmap(iop, iova, size) != size) -+ return __FAIL(iop, i); - -- if (ops->iova_to_phys(ops, iova + 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, iova + 42)) -+ return __FAIL(iop, i); - - /* Remap full block */ -- if (ops->map(ops, iova, iova, size, IOMMU_WRITE)) -- return __FAIL(ops, i); -+ if (ops->map(iop, iova, iova, size, IOMMU_WRITE)) -+ return __FAIL(iop, i); - -- if (ops->iova_to_phys(ops, iova + 42) != (iova + 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, iova + 42) != (iova + 42)) -+ return __FAIL(iop, i); - - iova += SZ_1G; - j++; - j = find_next_bit(&cfg->pgsize_bitmap, BITS_PER_LONG, j); - } - -- free_io_pgtable_ops(ops); -+ free_io_pgtable(iop); - } - - selftest_running = false; -diff --git a/drivers/iommu/io-pgtable.c b/drivers/iommu/io-pgtable.c -index 127558d..bc60b81 100644 ---- a/drivers/iommu/io-pgtable.c -+++ b/drivers/iommu/io-pgtable.c -@@ -37,7 +37,7 @@ io_pgtable_init_table[IO_PGTABLE_NUM_FMTS] = { - #endif - }; - --struct io_pgtable_ops *alloc_io_pgtable_ops(enum io_pgtable_fmt fmt, -+struct io_pgtable *alloc_io_pgtable(enum io_pgtable_fmt fmt, - struct io_pgtable_cfg *cfg, - void *cookie) - { -@@ -59,21 +59,18 @@ struct io_pgtable_ops *alloc_io_pgtable_ops(enum io_pgtable_fmt fmt, - iop->cookie = cookie; - iop->cfg = *cfg; - -- return &iop->ops; -+ return iop; - } - - /* - * It is the IOMMU driver's responsibility to ensure that the page table - * is no longer accessible to the walker by this point. - */ --void free_io_pgtable_ops(struct io_pgtable_ops *ops) -+void free_io_pgtable(struct io_pgtable *iop) - { -- struct io_pgtable *iop; -- -- if (!ops) -+ if (!iop) - return; - -- iop = container_of(ops, struct io_pgtable, ops); - io_pgtable_tlb_flush_all(iop); - io_pgtable_init_table[iop->fmt]->free(iop); - } -diff --git a/drivers/iommu/io-pgtable.h b/drivers/iommu/io-pgtable.h -index 969d82c..1ba9b6e 100644 ---- a/drivers/iommu/io-pgtable.h -+++ b/drivers/iommu/io-pgtable.h -@@ -109,17 +109,18 @@ struct io_pgtable_cfg { - * These functions map directly onto the iommu_ops member functions with - * the same names. - */ -+struct io_pgtable; - struct io_pgtable_ops { -- int (*map)(struct io_pgtable_ops *ops, unsigned long iova, -+ int (*map)(struct io_pgtable *iop, unsigned long iova, - phys_addr_t paddr, size_t size, int prot); -- int (*unmap)(struct io_pgtable_ops *ops, unsigned long iova, -+ int (*unmap)(struct io_pgtable *iop, unsigned long iova, - size_t size); -- phys_addr_t (*iova_to_phys)(struct io_pgtable_ops *ops, -+ phys_addr_t (*iova_to_phys)(struct io_pgtable *iop, - unsigned long iova); - }; - - /** -- * alloc_io_pgtable_ops() - Allocate a page table allocator for use by an IOMMU. -+ * alloc_io_pgtable() - Allocate a page table allocator for use by an IOMMU. - * - * @fmt: The page table format. - * @cfg: The page table configuration. This will be modified to represent -@@ -128,9 +129,9 @@ struct io_pgtable_ops { - * @cookie: An opaque token provided by the IOMMU driver and passed back to - * the callback routines in cfg->tlb. - */ --struct io_pgtable_ops *alloc_io_pgtable_ops(enum io_pgtable_fmt fmt, -- struct io_pgtable_cfg *cfg, -- void *cookie); -+struct io_pgtable *alloc_io_pgtable(enum io_pgtable_fmt fmt, -+ struct io_pgtable_cfg *cfg, -+ void *cookie); - - /** - * free_io_pgtable_ops() - Free an io_pgtable_ops structure. The caller -@@ -139,7 +140,7 @@ struct io_pgtable_ops *alloc_io_pgtable_ops(enum io_pgtable_fmt fmt, - * - * @ops: The ops returned from alloc_io_pgtable_ops. - */ --void free_io_pgtable_ops(struct io_pgtable_ops *ops); -+void free_io_pgtable(struct io_pgtable *iop); - - - /* -@@ -161,11 +162,9 @@ struct io_pgtable { - void *cookie; - bool tlb_sync_pending; - struct io_pgtable_cfg cfg; -- struct io_pgtable_ops ops; -+ const struct io_pgtable_ops *ops; - }; - --#define io_pgtable_ops_to_pgtable(x) container_of((x), struct io_pgtable, ops) -- - static inline void io_pgtable_tlb_flush_all(struct io_pgtable *iop) - { - iop->cfg.tlb->tlb_flush_all(iop->cookie); -diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c -index 9a2f196..870a3e2 100644 ---- a/drivers/iommu/iommu.c -+++ b/drivers/iommu/iommu.c -@@ -945,7 +945,7 @@ static int iommu_bus_notifier(struct notifier_block *nb, - static int iommu_bus_init(struct bus_type *bus, const struct iommu_ops *ops) - { - int err; -- struct notifier_block *nb; -+ notifier_block_no_const *nb; - struct iommu_callback_data cb = { - .ops = ops, - }; -diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c -index ace331d..c326530 100644 ---- a/drivers/iommu/ipmmu-vmsa.c -+++ b/drivers/iommu/ipmmu-vmsa.c -@@ -41,7 +41,7 @@ struct ipmmu_vmsa_domain { - struct iommu_domain io_domain; - - struct io_pgtable_cfg cfg; -- struct io_pgtable_ops *iop; -+ struct io_pgtable *iop; - - unsigned int context_id; - spinlock_t lock; /* Protects mappings */ -@@ -319,8 +319,7 @@ static int ipmmu_domain_init_context(struct ipmmu_vmsa_domain *domain) - */ - domain->cfg.iommu_dev = domain->mmu->dev; - -- domain->iop = alloc_io_pgtable_ops(ARM_32_LPAE_S1, &domain->cfg, -- domain); -+ domain->iop = alloc_io_pgtable(ARM_32_LPAE_S1, &domain->cfg, domain); - if (!domain->iop) - return -EINVAL; - -@@ -478,7 +477,7 @@ static void ipmmu_domain_free(struct iommu_domain *io_domain) - * been detached. - */ - ipmmu_domain_destroy_context(domain); -- free_io_pgtable_ops(domain->iop); -+ free_io_pgtable(domain->iop); - kfree(domain); - } - -@@ -547,7 +546,7 @@ static int ipmmu_map(struct iommu_domain *io_domain, unsigned long iova, - if (!domain) - return -ENODEV; - -- return domain->iop->map(domain->iop, iova, paddr, size, prot); -+ return domain->iop->ops->map(domain->iop, iova, paddr, size, prot); - } - - static size_t ipmmu_unmap(struct iommu_domain *io_domain, unsigned long iova, -@@ -555,7 +554,7 @@ static size_t ipmmu_unmap(struct iommu_domain *io_domain, unsigned long iova, - { - struct ipmmu_vmsa_domain *domain = to_vmsa_domain(io_domain); - -- return domain->iop->unmap(domain->iop, iova, size); -+ return domain->iop->ops->unmap(domain->iop, iova, size); - } - - static phys_addr_t ipmmu_iova_to_phys(struct iommu_domain *io_domain, -@@ -565,7 +564,7 @@ static phys_addr_t ipmmu_iova_to_phys(struct iommu_domain *io_domain, - - /* TODO: Is locking needed ? */ - -- return domain->iop->iova_to_phys(domain->iop, iova); -+ return domain->iop->ops->iova_to_phys(domain->iop, iova); - } - - static int ipmmu_find_utlbs(struct ipmmu_vmsa_device *mmu, struct device *dev, -diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c -index 49721b4..62874d3 100644 ---- a/drivers/iommu/irq_remapping.c -+++ b/drivers/iommu/irq_remapping.c -@@ -153,7 +153,7 @@ int __init irq_remap_enable_fault_handling(void) - void panic_if_irq_remap(const char *msg) - { - if (irq_remapping_enabled) -- panic(msg); -+ panic("%s", msg); - } - - void ir_ack_apic_edge(struct irq_data *data) -diff --git a/drivers/iommu/msm_iommu.c b/drivers/iommu/msm_iommu.c -index b09692b..aa64d59 100644 ---- a/drivers/iommu/msm_iommu.c -+++ b/drivers/iommu/msm_iommu.c -@@ -53,7 +53,7 @@ struct msm_priv { - struct list_head list_attached; - struct iommu_domain domain; - struct io_pgtable_cfg cfg; -- struct io_pgtable_ops *iop; -+ struct io_pgtable *iop; - struct device *dev; - spinlock_t pgtlock; /* pagetable lock */ - }; -@@ -360,13 +360,15 @@ static int msm_iommu_domain_config(struct msm_priv *priv) - .iommu_dev = priv->dev, - }; - -- priv->iop = alloc_io_pgtable_ops(ARM_V7S, &priv->cfg, priv); -+ priv->iop = alloc_io_pgtable(ARM_V7S, &priv->cfg, priv); - if (!priv->iop) { - dev_err(priv->dev, "Failed to allocate pgtable\n"); - return -EINVAL; - } - -- msm_iommu_ops.pgsize_bitmap = priv->cfg.pgsize_bitmap; -+ pax_open_kernel(); -+ const_cast(msm_iommu_ops.pgsize_bitmap) = priv->cfg.pgsize_bitmap; -+ pax_close_kernel(); - - return 0; - } -@@ -429,7 +431,7 @@ static void msm_iommu_detach_dev(struct iommu_domain *domain, - struct msm_iommu_ctx_dev *master; - int ret; - -- free_io_pgtable_ops(priv->iop); -+ free_io_pgtable(priv->iop); - - spin_lock_irqsave(&msm_iommu_lock, flags); - list_for_each_entry(iommu, &priv->list_attached, dom_node) { -@@ -455,7 +457,7 @@ static int msm_iommu_map(struct iommu_domain *domain, unsigned long iova, - int ret; - - spin_lock_irqsave(&priv->pgtlock, flags); -- ret = priv->iop->map(priv->iop, iova, pa, len, prot); -+ ret = priv->iop->ops->map(priv->iop, iova, pa, len, prot); - spin_unlock_irqrestore(&priv->pgtlock, flags); - - return ret; -@@ -468,7 +470,7 @@ static size_t msm_iommu_unmap(struct iommu_domain *domain, unsigned long iova, - unsigned long flags; - - spin_lock_irqsave(&priv->pgtlock, flags); -- len = priv->iop->unmap(priv->iop, iova, len); -+ len = priv->iop->ops->unmap(priv->iop, iova, len); - spin_unlock_irqrestore(&priv->pgtlock, flags); - - return len; -diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c -index b12c12d..27bf745 100644 ---- a/drivers/iommu/mtk_iommu.c -+++ b/drivers/iommu/mtk_iommu.c -@@ -97,7 +97,7 @@ struct mtk_iommu_domain { - spinlock_t pgtlock; /* lock for page table */ - - struct io_pgtable_cfg cfg; -- struct io_pgtable_ops *iop; -+ struct io_pgtable *iop; - - struct iommu_domain domain; - }; -@@ -235,7 +235,7 @@ static int mtk_iommu_domain_finalise(struct mtk_iommu_data *data) - if (data->enable_4GB) - dom->cfg.quirks |= IO_PGTABLE_QUIRK_ARM_MTK_4GB; - -- dom->iop = alloc_io_pgtable_ops(ARM_V7S, &dom->cfg, data); -+ dom->iop = alloc_io_pgtable(ARM_V7S, &dom->cfg, data); - if (!dom->iop) { - dev_err(data->dev, "Failed to alloc io pgtable\n"); - return -EINVAL; -@@ -328,7 +328,7 @@ static int mtk_iommu_map(struct iommu_domain *domain, unsigned long iova, - int ret; - - spin_lock_irqsave(&dom->pgtlock, flags); -- ret = dom->iop->map(dom->iop, iova, paddr, size, prot); -+ ret = dom->iop->ops->map(dom->iop, iova, paddr, size, prot); - spin_unlock_irqrestore(&dom->pgtlock, flags); - - return ret; -@@ -342,7 +342,7 @@ static size_t mtk_iommu_unmap(struct iommu_domain *domain, - size_t unmapsz; - - spin_lock_irqsave(&dom->pgtlock, flags); -- unmapsz = dom->iop->unmap(dom->iop, iova, size); -+ unmapsz = dom->iop->ops->unmap(dom->iop, iova, size); - spin_unlock_irqrestore(&dom->pgtlock, flags); - - return unmapsz; -@@ -356,7 +356,7 @@ static phys_addr_t mtk_iommu_iova_to_phys(struct iommu_domain *domain, - phys_addr_t pa; - - spin_lock_irqsave(&dom->pgtlock, flags); -- pa = dom->iop->iova_to_phys(dom->iop, iova); -+ pa = dom->iop->ops->iova_to_phys(dom->iop, iova); - spin_unlock_irqrestore(&dom->pgtlock, flags); - - return pa; -@@ -615,7 +615,7 @@ static int mtk_iommu_remove(struct platform_device *pdev) - if (iommu_present(&platform_bus_type)) - bus_set_iommu(&platform_bus_type, NULL); - -- free_io_pgtable_ops(data->m4u_dom->iop); -+ free_io_pgtable(data->m4u_dom->iop); - clk_disable_unprepare(data->bclk); - devm_free_irq(&pdev->dev, data->irq, data); - component_master_del(&pdev->dev, &mtk_iommu_com_ops); -diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c -index d6c404b..ea4d330 100644 ---- a/drivers/irqchip/irq-gic.c -+++ b/drivers/irqchip/irq-gic.c -@@ -410,7 +410,7 @@ static void gic_handle_cascade_irq(struct irq_desc *desc) - chained_irq_exit(chip, desc); - } - --static struct irq_chip gic_chip = { -+static irq_chip_no_const gic_chip __read_only = { - .irq_mask = gic_mask_irq, - .irq_unmask = gic_unmask_irq, - .irq_eoi = gic_eoi_irq, -diff --git a/drivers/irqchip/irq-i8259.c b/drivers/irqchip/irq-i8259.c -index 1aec12c..7c71863 100644 ---- a/drivers/irqchip/irq-i8259.c -+++ b/drivers/irqchip/irq-i8259.c -@@ -192,7 +192,7 @@ static void mask_and_ack_8259A(struct irq_data *d) - printk(KERN_DEBUG "spurious 8259A interrupt: IRQ%d.\n", irq); - spurious_irq_mask |= irqmask; - } -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - /* - * Theoretically we do not have to handle this IRQ, - * but in Linux this does not cause problems and is -diff --git a/drivers/irqchip/irq-jcore-aic.c b/drivers/irqchip/irq-jcore-aic.c -index 033bccb..7c93666 100644 ---- a/drivers/irqchip/irq-jcore-aic.c -+++ b/drivers/irqchip/irq-jcore-aic.c -@@ -23,7 +23,23 @@ - - #define JCORE_AIC1_INTPRI_REG 8 - --static struct irq_chip jcore_aic; -+static void noop(struct irq_data *data) -+{ -+} -+ -+static struct irq_chip jcore_aic = { -+ /* -+ * The irq chip framework requires either mask/unmask or enable/disable -+ * function pointers to be provided, but the hardware does not have any -+ * such mechanism; the only interrupt masking is at the cpu level and -+ * it affects all interrupts. We provide dummy mask/unmask. The hardware -+ * handles all interrupt control and clears pending status when the cpu -+ * accepts the interrupt. -+ */ -+ .irq_mask = noop, -+ .irq_unmask = noop, -+ .name = "AIC", -+}; - - /* - * The J-Core AIC1 and AIC2 are cpu-local interrupt controllers and do -@@ -58,10 +74,6 @@ static const struct irq_domain_ops jcore_aic_irqdomain_ops = { - .xlate = irq_domain_xlate_onecell, - }; - --static void noop(struct irq_data *data) --{ --} -- - static int __init aic_irq_of_init(struct device_node *node, - struct device_node *parent) - { -@@ -88,18 +100,6 @@ static int __init aic_irq_of_init(struct device_node *node, - min_irq = JCORE_AIC1_MIN_HWIRQ; - } - -- /* -- * The irq chip framework requires either mask/unmask or enable/disable -- * function pointers to be provided, but the hardware does not have any -- * such mechanism; the only interrupt masking is at the cpu level and -- * it affects all interrupts. We provide dummy mask/unmask. The hardware -- * handles all interrupt control and clears pending status when the cpu -- * accepts the interrupt. -- */ -- jcore_aic.irq_mask = noop; -- jcore_aic.irq_unmask = noop; -- jcore_aic.name = "AIC"; -- - domain = irq_domain_add_linear(node, dom_sz, &jcore_aic_irqdomain_ops, - &jcore_aic); - if (!domain) -diff --git a/drivers/irqchip/irq-mmp.c b/drivers/irqchip/irq-mmp.c -index 013fc96..36a9a97 100644 ---- a/drivers/irqchip/irq-mmp.c -+++ b/drivers/irqchip/irq-mmp.c -@@ -122,7 +122,7 @@ static void icu_unmask_irq(struct irq_data *d) - } - } - --struct irq_chip icu_irq_chip = { -+irq_chip_no_const icu_irq_chip __read_only = { - .name = "icu_irq", - .irq_mask = icu_mask_irq, - .irq_mask_ack = icu_mask_ack_irq, -diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c -index 713177d..3849ddd 100644 ---- a/drivers/irqchip/irq-renesas-intc-irqpin.c -+++ b/drivers/irqchip/irq-renesas-intc-irqpin.c -@@ -396,7 +396,7 @@ static int intc_irqpin_probe(struct platform_device *pdev) - struct intc_irqpin_iomem *i; - struct resource *io[INTC_IRQPIN_REG_NR]; - struct resource *irq; -- struct irq_chip *irq_chip; -+ irq_chip_no_const *irq_chip; - void (*enable_fn)(struct irq_data *d); - void (*disable_fn)(struct irq_data *d); - const char *name = dev_name(dev); -diff --git a/drivers/irqchip/irq-ts4800.c b/drivers/irqchip/irq-ts4800.c -index 2325fb3..fca7529 100644 ---- a/drivers/irqchip/irq-ts4800.c -+++ b/drivers/irqchip/irq-ts4800.c -@@ -93,7 +93,7 @@ static int ts4800_ic_probe(struct platform_device *pdev) - { - struct device_node *node = pdev->dev.of_node; - struct ts4800_irq_data *data; -- struct irq_chip *irq_chip; -+ irq_chip_no_const *irq_chip; - struct resource *res; - int parent_irq; - -diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c -index 6a2df32..dc962f1 100644 ---- a/drivers/isdn/capi/capi.c -+++ b/drivers/isdn/capi/capi.c -@@ -81,8 +81,8 @@ struct capiminor { - - struct capi20_appl *ap; - u32 ncci; -- atomic_t datahandle; -- atomic_t msgid; -+ atomic_unchecked_t datahandle; -+ atomic_unchecked_t msgid; - - struct tty_port port; - int ttyinstop; -@@ -391,7 +391,7 @@ gen_data_b3_resp_for(struct capiminor *mp, struct sk_buff *skb) - capimsg_setu16(s, 2, mp->ap->applid); - capimsg_setu8 (s, 4, CAPI_DATA_B3); - capimsg_setu8 (s, 5, CAPI_RESP); -- capimsg_setu16(s, 6, atomic_inc_return(&mp->msgid)); -+ capimsg_setu16(s, 6, atomic_inc_return_unchecked(&mp->msgid)); - capimsg_setu32(s, 8, mp->ncci); - capimsg_setu16(s, 12, datahandle); - } -@@ -512,14 +512,14 @@ static void handle_minor_send(struct capiminor *mp) - mp->outbytes -= len; - spin_unlock_bh(&mp->outlock); - -- datahandle = atomic_inc_return(&mp->datahandle); -+ datahandle = atomic_inc_return_unchecked(&mp->datahandle); - skb_push(skb, CAPI_DATA_B3_REQ_LEN); - memset(skb->data, 0, CAPI_DATA_B3_REQ_LEN); - capimsg_setu16(skb->data, 0, CAPI_DATA_B3_REQ_LEN); - capimsg_setu16(skb->data, 2, mp->ap->applid); - capimsg_setu8 (skb->data, 4, CAPI_DATA_B3); - capimsg_setu8 (skb->data, 5, CAPI_REQ); -- capimsg_setu16(skb->data, 6, atomic_inc_return(&mp->msgid)); -+ capimsg_setu16(skb->data, 6, atomic_inc_return_unchecked(&mp->msgid)); - capimsg_setu32(skb->data, 8, mp->ncci); /* NCCI */ - capimsg_setu32(skb->data, 12, (u32)(long)skb->data);/* Data32 */ - capimsg_setu16(skb->data, 16, len); /* Data length */ -diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c -index 7f1c625..2da3ff6 100644 ---- a/drivers/isdn/gigaset/bas-gigaset.c -+++ b/drivers/isdn/gigaset/bas-gigaset.c -@@ -2568,22 +2568,22 @@ static int gigaset_post_reset(struct usb_interface *intf) - - - static const struct gigaset_ops gigops = { -- gigaset_write_cmd, -- gigaset_write_room, -- gigaset_chars_in_buffer, -- gigaset_brkchars, -- gigaset_init_bchannel, -- gigaset_close_bchannel, -- gigaset_initbcshw, -- gigaset_freebcshw, -- gigaset_reinitbcshw, -- gigaset_initcshw, -- gigaset_freecshw, -- gigaset_set_modem_ctrl, -- gigaset_baud_rate, -- gigaset_set_line_ctrl, -- gigaset_isoc_send_skb, -- gigaset_isoc_input, -+ .write_cmd = gigaset_write_cmd, -+ .write_room = gigaset_write_room, -+ .chars_in_buffer = gigaset_chars_in_buffer, -+ .brkchars = gigaset_brkchars, -+ .init_bchannel = gigaset_init_bchannel, -+ .close_bchannel = gigaset_close_bchannel, -+ .initbcshw = gigaset_initbcshw, -+ .freebcshw = gigaset_freebcshw, -+ .reinitbcshw = gigaset_reinitbcshw, -+ .initcshw = gigaset_initcshw, -+ .freecshw = gigaset_freecshw, -+ .set_modem_ctrl = gigaset_set_modem_ctrl, -+ .baud_rate = gigaset_baud_rate, -+ .set_line_ctrl = gigaset_set_line_ctrl, -+ .send_skb = gigaset_isoc_send_skb, -+ .handle_input = gigaset_isoc_input, - }; - - /* bas_gigaset_init -diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c -index 600c79b..3752bab 100644 ---- a/drivers/isdn/gigaset/interface.c -+++ b/drivers/isdn/gigaset/interface.c -@@ -130,9 +130,9 @@ static int if_open(struct tty_struct *tty, struct file *filp) - } - tty->driver_data = cs; - -- ++cs->port.count; -+ atomic_inc(&cs->port.count); - -- if (cs->port.count == 1) { -+ if (atomic_read(&cs->port.count) == 1) { - tty_port_tty_set(&cs->port, tty); - cs->port.low_latency = 1; - } -@@ -156,9 +156,9 @@ static void if_close(struct tty_struct *tty, struct file *filp) - - if (!cs->connected) - gig_dbg(DEBUG_IF, "not connected"); /* nothing to do */ -- else if (!cs->port.count) -+ else if (!atomic_read(&cs->port.count)) - dev_warn(cs->dev, "%s: device not opened\n", __func__); -- else if (!--cs->port.count) -+ else if (!atomic_dec_return(&cs->port.count)) - tty_port_tty_set(&cs->port, NULL); - - mutex_unlock(&cs->mutex); -diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c -index b90776e..ab0b63a 100644 ---- a/drivers/isdn/gigaset/ser-gigaset.c -+++ b/drivers/isdn/gigaset/ser-gigaset.c -@@ -445,22 +445,22 @@ static int gigaset_set_line_ctrl(struct cardstate *cs, unsigned cflag) - } - - static const struct gigaset_ops ops = { -- gigaset_write_cmd, -- gigaset_write_room, -- gigaset_chars_in_buffer, -- gigaset_brkchars, -- gigaset_init_bchannel, -- gigaset_close_bchannel, -- gigaset_initbcshw, -- gigaset_freebcshw, -- gigaset_reinitbcshw, -- gigaset_initcshw, -- gigaset_freecshw, -- gigaset_set_modem_ctrl, -- gigaset_baud_rate, -- gigaset_set_line_ctrl, -- gigaset_m10x_send_skb, /* asyncdata.c */ -- gigaset_m10x_input, /* asyncdata.c */ -+ .write_cmd = gigaset_write_cmd, -+ .write_room = gigaset_write_room, -+ .chars_in_buffer = gigaset_chars_in_buffer, -+ .brkchars = gigaset_brkchars, -+ .init_bchannel = gigaset_init_bchannel, -+ .close_bchannel = gigaset_close_bchannel, -+ .initbcshw = gigaset_initbcshw, -+ .freebcshw = gigaset_freebcshw, -+ .reinitbcshw = gigaset_reinitbcshw, -+ .initcshw = gigaset_initcshw, -+ .freecshw = gigaset_freecshw, -+ .set_modem_ctrl = gigaset_set_modem_ctrl, -+ .baud_rate = gigaset_baud_rate, -+ .set_line_ctrl = gigaset_set_line_ctrl, -+ .send_skb = gigaset_m10x_send_skb, /* asyncdata.c */ -+ .handle_input = gigaset_m10x_input, /* asyncdata.c */ - }; - - -diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c -index 5f306e2..ff14829 100644 ---- a/drivers/isdn/gigaset/usb-gigaset.c -+++ b/drivers/isdn/gigaset/usb-gigaset.c -@@ -543,7 +543,7 @@ static int gigaset_brkchars(struct cardstate *cs, const unsigned char buf[6]) - gigaset_dbg_buffer(DEBUG_USBREQ, "brkchars", 6, buf); - memcpy(cs->hw.usb->bchars, buf, 6); - return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x19, 0x41, -- 0, 0, &buf, 6, 2000); -+ 0, 0, cs->hw.usb->bchars, 6, 2000); - } - - static void gigaset_freebcshw(struct bc_state *bcs) -@@ -862,22 +862,22 @@ static int gigaset_pre_reset(struct usb_interface *intf) - } - - static const struct gigaset_ops ops = { -- gigaset_write_cmd, -- gigaset_write_room, -- gigaset_chars_in_buffer, -- gigaset_brkchars, -- gigaset_init_bchannel, -- gigaset_close_bchannel, -- gigaset_initbcshw, -- gigaset_freebcshw, -- gigaset_reinitbcshw, -- gigaset_initcshw, -- gigaset_freecshw, -- gigaset_set_modem_ctrl, -- gigaset_baud_rate, -- gigaset_set_line_ctrl, -- gigaset_m10x_send_skb, -- gigaset_m10x_input, -+ .write_cmd = gigaset_write_cmd, -+ .write_room = gigaset_write_room, -+ .chars_in_buffer = gigaset_chars_in_buffer, -+ .brkchars = gigaset_brkchars, -+ .init_bchannel = gigaset_init_bchannel, -+ .close_bchannel = gigaset_close_bchannel, -+ .initbcshw = gigaset_initbcshw, -+ .freebcshw = gigaset_freebcshw, -+ .reinitbcshw = gigaset_reinitbcshw, -+ .initcshw = gigaset_initcshw, -+ .freecshw = gigaset_freecshw, -+ .set_modem_ctrl = gigaset_set_modem_ctrl, -+ .baud_rate = gigaset_baud_rate, -+ .set_line_ctrl = gigaset_set_line_ctrl, -+ .send_skb = gigaset_m10x_send_skb, -+ .handle_input = gigaset_m10x_input, - }; - - /* -diff --git a/drivers/isdn/hardware/avm/b1.c b/drivers/isdn/hardware/avm/b1.c -index 4d9b195..455075c 100644 ---- a/drivers/isdn/hardware/avm/b1.c -+++ b/drivers/isdn/hardware/avm/b1.c -@@ -176,7 +176,7 @@ int b1_load_t4file(avmcard *card, capiloaddatapart *t4file) - } - if (left) { - if (t4file->user) { -- if (copy_from_user(buf, dp, left)) -+ if (left > sizeof buf || copy_from_user(buf, dp, left)) - return -EFAULT; - } else { - memcpy(buf, dp, left); -@@ -224,7 +224,7 @@ int b1_load_config(avmcard *card, capiloaddatapart *config) - } - if (left) { - if (config->user) { -- if (copy_from_user(buf, dp, left)) -+ if (left > sizeof buf || copy_from_user(buf, dp, left)) - return -EFAULT; - } else { - memcpy(buf, dp, left); -diff --git a/drivers/isdn/hardware/eicon/capifunc.c b/drivers/isdn/hardware/eicon/capifunc.c -index 7a0bdbd..0a7b7db 100644 ---- a/drivers/isdn/hardware/eicon/capifunc.c -+++ b/drivers/isdn/hardware/eicon/capifunc.c -@@ -57,7 +57,7 @@ static u16 diva_send_message(struct capi_ctr *, - diva_os_message_buffer_s *); - extern void diva_os_set_controller_struct(struct capi_ctr *); - --extern void DIVA_DIDD_Read(DESCRIPTOR *, int); -+extern void DIVA_DIDD_Read(void *, int); - - /* - * debug -@@ -1032,7 +1032,6 @@ static void didd_callback(void *context, DESCRIPTOR *adapter, int removal) - stop_dbg(); - } else { - memcpy(&MAdapter, adapter, sizeof(MAdapter)); -- dprintf = (DIVA_DI_PRINTF) MAdapter.request; - DbgRegister("CAPI20", DRIVERRELEASE_CAPI, DBG_DEFAULT); - } - } else if ((adapter->type > 0) && (adapter->type < 16)) { /* IDI Adapter */ -@@ -1060,7 +1059,6 @@ static int divacapi_connect_didd(void) - for (x = 0; x < MAX_DESCRIPTORS; x++) { - if (DIDD_Table[x].type == IDI_DIMAINT) { /* MAINT found */ - memcpy(&MAdapter, &DIDD_Table[x], sizeof(DAdapter)); -- dprintf = (DIVA_DI_PRINTF) MAdapter.request; - DbgRegister("CAPI20", DRIVERRELEASE_CAPI, DBG_DEFAULT); - break; - } -@@ -1072,7 +1070,7 @@ static int divacapi_connect_didd(void) - req.didd_notify.e.Req = 0; - req.didd_notify.e.Rc = - IDI_SYNC_REQ_DIDD_REGISTER_ADAPTER_NOTIFY; -- req.didd_notify.info.callback = (void *)didd_callback; -+ req.didd_notify.info.callback = didd_callback; - req.didd_notify.info.context = NULL; - DAdapter.request((ENTITY *)&req); - if (req.didd_notify.e.Rc != 0xff) { -diff --git a/drivers/isdn/hardware/eicon/dadapter.c b/drivers/isdn/hardware/eicon/dadapter.c -index 5142099..642b7de 100644 ---- a/drivers/isdn/hardware/eicon/dadapter.c -+++ b/drivers/isdn/hardware/eicon/dadapter.c -@@ -63,10 +63,14 @@ static void no_printf(unsigned char *format, ...) - ------------------------------------------------------------------------- */ - #include "debuglib.c" - -+static void IDI_CALL_LINK_T no_request(ENTITY IDI_CALL_ENTITY_T *i) -+{ -+} -+ - static DESCRIPTOR MAdapter = {IDI_DIMAINT, /* Adapter Type */ - 0x00, /* Channels */ - 0x0000, /* Features */ -- (IDI_CALL)no_printf}; -+ no_request}; - /* -------------------------------------------------------------------------- - DAdapter. Only IDI clients with buffer, that is huge enough to - get all descriptors will receive information about DAdapter -@@ -100,6 +104,11 @@ void diva_didd_load_time_init(void) { - void diva_didd_load_time_finit(void) { - diva_os_destroy_spin_lock(&didd_spin, "didd"); - } -+ -+static void diva_didd_no_request(ENTITY *e) -+{ -+} -+ - /* -------------------------------------------------------------------------- - Called in order to register new adapter in adapter array - return adapter handle (> 0) on success -@@ -111,13 +120,12 @@ static int diva_didd_add_descriptor(DESCRIPTOR *d) { - if (d->type == IDI_DIMAINT) { - if (d->request) { - MAdapter.request = d->request; -- dprintf = (DIVA_DI_PRINTF)d->request; - diva_notify_adapter_change(&MAdapter, 0); /* Inserted */ - DBG_TRC(("DIMAINT registered, dprintf=%08x", d->request)) - } else { - DBG_TRC(("DIMAINT removed")) - diva_notify_adapter_change(&MAdapter, 1); /* About to remove */ -- MAdapter.request = (IDI_CALL)no_printf; -+ MAdapter.request = diva_didd_no_request; - dprintf = no_printf; - } - return (NEW_MAX_DESCRIPTORS); -@@ -149,7 +157,7 @@ static int diva_didd_remove_descriptor(IDI_CALL request) { - DBG_TRC(("DIMAINT removed")) - dprintf = no_printf; - diva_notify_adapter_change(&MAdapter, 1); /* About to remove */ -- MAdapter.request = (IDI_CALL)no_printf; -+ MAdapter.request = diva_didd_no_request; - return (0); - } - for (i = 0; (Adapters && (i < NEW_MAX_DESCRIPTORS)); i++) { -@@ -222,7 +230,7 @@ static void IDI_CALL_LINK_T diva_dadapter_request( \ - case IDI_SYNC_REQ_DIDD_REGISTER_ADAPTER_NOTIFY: { - diva_didd_adapter_notify_t *pinfo = &syncReq->didd_notify.info; - pinfo->handle = diva_register_adapter_callback( \ -- (didd_adapter_change_callback_t)pinfo->callback, -+ pinfo->callback, - (void IDI_CALL_ENTITY_T *)pinfo->context); - e->Rc = 0xff; - } break; -diff --git a/drivers/isdn/hardware/eicon/diddfunc.c b/drivers/isdn/hardware/eicon/diddfunc.c -index b0b23ed..e3d4e18 100644 ---- a/drivers/isdn/hardware/eicon/diddfunc.c -+++ b/drivers/isdn/hardware/eicon/diddfunc.c -@@ -28,12 +28,12 @@ static DESCRIPTOR _DAdapter; - /* - * didd callback function - */ --static void *didd_callback(void *context, DESCRIPTOR *adapter, -+static void didd_callback(void *context, DESCRIPTOR *adapter, - int removal) - { - if (adapter->type == IDI_DADAPTER) { - DBG_ERR(("Notification about IDI_DADAPTER change ! Oops.")) -- return (NULL); -+ return; - } else if (adapter->type == IDI_DIMAINT) { - if (removal) { - DbgDeregister(); -@@ -41,7 +41,6 @@ static void *didd_callback(void *context, DESCRIPTOR *adapter, - DbgRegister("DIDD", DRIVERRELEASE_DIDD, DBG_DEFAULT); - } - } -- return (NULL); - } - - /* -@@ -63,7 +62,7 @@ static int __init connect_didd(void) - req.didd_notify.e.Req = 0; - req.didd_notify.e.Rc = - IDI_SYNC_REQ_DIDD_REGISTER_ADAPTER_NOTIFY; -- req.didd_notify.info.callback = (void *)didd_callback; -+ req.didd_notify.info.callback = didd_callback; - req.didd_notify.info.context = NULL; - _DAdapter.request((ENTITY *)&req); - if (req.didd_notify.e.Rc != 0xff) -diff --git a/drivers/isdn/hardware/eicon/divasfunc.c b/drivers/isdn/hardware/eicon/divasfunc.c -index 4be5f88..1dbd479 100644 ---- a/drivers/isdn/hardware/eicon/divasfunc.c -+++ b/drivers/isdn/hardware/eicon/divasfunc.c -@@ -130,12 +130,12 @@ static void stop_dbg(void) - /* - * didd callback function - */ --static void *didd_callback(void *context, DESCRIPTOR *adapter, -+static void didd_callback(void *context, DESCRIPTOR *adapter, - int removal) - { - if (adapter->type == IDI_DADAPTER) { - DBG_ERR(("Notification about IDI_DADAPTER change ! Oops.")); -- return (NULL); -+ return; - } - - if (adapter->type == IDI_DIMAINT) { -@@ -143,11 +143,9 @@ static void *didd_callback(void *context, DESCRIPTOR *adapter, - stop_dbg(); - } else { - memcpy(&MAdapter, adapter, sizeof(MAdapter)); -- dprintf = (DIVA_DI_PRINTF) MAdapter.request; - start_dbg(); - } - } -- return (NULL); - } - - /* -@@ -169,7 +167,7 @@ static int __init connect_didd(void) - req.didd_notify.e.Req = 0; - req.didd_notify.e.Rc = - IDI_SYNC_REQ_DIDD_REGISTER_ADAPTER_NOTIFY; -- req.didd_notify.info.callback = (void *)didd_callback; -+ req.didd_notify.info.callback = didd_callback; - req.didd_notify.info.context = NULL; - DAdapter.request((ENTITY *)&req); - if (req.didd_notify.e.Rc != 0xff) { -@@ -179,7 +177,6 @@ static int __init connect_didd(void) - notify_handle = req.didd_notify.info.handle; - } else if (DIDD_Table[x].type == IDI_DIMAINT) { /* MAINT found */ - memcpy(&MAdapter, &DIDD_Table[x], sizeof(DAdapter)); -- dprintf = (DIVA_DI_PRINTF) MAdapter.request; - start_dbg(); - } - } -diff --git a/drivers/isdn/hardware/eicon/divasync.h b/drivers/isdn/hardware/eicon/divasync.h -index dd6b53a..42661f6 100644 ---- a/drivers/isdn/hardware/eicon/divasync.h -+++ b/drivers/isdn/hardware/eicon/divasync.h -@@ -138,7 +138,7 @@ typedef struct _diva_xdi_dma_descriptor_operation { - #define IDI_SYNC_REQ_DIDD_GET_CFG_LIB_IFC 0x10 - typedef struct _diva_didd_adapter_notify { - dword handle; /* Notification handle */ -- void *callback; -+ didd_adapter_change_callback_t callback; - void *context; - } diva_didd_adapter_notify_t; - typedef struct _diva_didd_add_adapter { -diff --git a/drivers/isdn/hardware/eicon/idifunc.c b/drivers/isdn/hardware/eicon/idifunc.c -index fef6586..22353ff 100644 ---- a/drivers/isdn/hardware/eicon/idifunc.c -+++ b/drivers/isdn/hardware/eicon/idifunc.c -@@ -154,18 +154,17 @@ static void __exit remove_all_idi_proc(void) - /* - * DIDD notify callback - */ --static void *didd_callback(void *context, DESCRIPTOR *adapter, -+static void didd_callback(void *context, DESCRIPTOR *adapter, - int removal) - { - if (adapter->type == IDI_DADAPTER) { - DBG_ERR(("Notification about IDI_DADAPTER change ! Oops.")); -- return (NULL); -+ return; - } else if (adapter->type == IDI_DIMAINT) { - if (removal) { - stop_dbg(); - } else { - memcpy(&MAdapter, adapter, sizeof(MAdapter)); -- dprintf = (DIVA_DI_PRINTF) MAdapter.request; - DbgRegister("User IDI", DRIVERRELEASE_IDI, DBG_DEFAULT); - } - } else if ((adapter->type > 0) && (adapter->type < 16)) { /* IDI Adapter */ -@@ -175,7 +174,6 @@ static void *didd_callback(void *context, DESCRIPTOR *adapter, - um_new_card(adapter); - } - } -- return (NULL); - } - - /* -@@ -197,7 +195,7 @@ static int __init connect_didd(void) - req.didd_notify.e.Req = 0; - req.didd_notify.e.Rc = - IDI_SYNC_REQ_DIDD_REGISTER_ADAPTER_NOTIFY; -- req.didd_notify.info.callback = (void *)didd_callback; -+ req.didd_notify.info.callback = didd_callback; - req.didd_notify.info.context = NULL; - DAdapter.request((ENTITY *)&req); - if (req.didd_notify.e.Rc != 0xff) { -@@ -207,7 +205,6 @@ static int __init connect_didd(void) - notify_handle = req.didd_notify.info.handle; - } else if (DIDD_Table[x].type == IDI_DIMAINT) { /* MAINT found */ - memcpy(&MAdapter, &DIDD_Table[x], sizeof(DAdapter)); -- dprintf = (DIVA_DI_PRINTF) MAdapter.request; - DbgRegister("User IDI", DRIVERRELEASE_IDI, DBG_DEFAULT); - } else if ((DIDD_Table[x].type > 0) - && (DIDD_Table[x].type < 16)) { /* IDI Adapter found */ -diff --git a/drivers/isdn/hardware/eicon/mntfunc.c b/drivers/isdn/hardware/eicon/mntfunc.c -index 1cd9aff..3775d52 100644 ---- a/drivers/isdn/hardware/eicon/mntfunc.c -+++ b/drivers/isdn/hardware/eicon/mntfunc.c -@@ -26,8 +26,13 @@ extern void DIVA_DIDD_Read(void *, int); - static dword notify_handle; - static DESCRIPTOR DAdapter; - static DESCRIPTOR MAdapter; -+ -+static void didd_nothing(ENTITY IDI_CALL_ENTITY_T *e) -+{ -+ diva_maint_prtComp((char *)e); -+} - static DESCRIPTOR MaintDescriptor = --{ IDI_DIMAINT, 0, 0, (IDI_CALL) diva_maint_prtComp }; -+{ IDI_DIMAINT, 0, 0, didd_nothing }; - - extern int diva_os_copy_to_user(void *os_handle, void __user *dst, - const void *src, int length); -@@ -44,7 +49,7 @@ static void no_printf(unsigned char *x, ...) - /* - * DIDD callback function - */ --static void *didd_callback(void *context, DESCRIPTOR *adapter, -+static void didd_callback(void *context, DESCRIPTOR *adapter, - int removal) - { - if (adapter->type == IDI_DADAPTER) { -@@ -56,7 +61,6 @@ static void *didd_callback(void *context, DESCRIPTOR *adapter, - dprintf = no_printf; - } else { - memcpy(&MAdapter, adapter, sizeof(MAdapter)); -- dprintf = (DIVA_DI_PRINTF) MAdapter.request; - DbgRegister("MAINT", DRIVERRELEASE_MNT, DBG_DEFAULT); - } - } else if ((adapter->type > 0) && (adapter->type < 16)) { -@@ -66,7 +70,6 @@ static void *didd_callback(void *context, DESCRIPTOR *adapter, - diva_mnt_add_xdi_adapter(adapter); - } - } -- return (NULL); - } - - /* -@@ -88,7 +91,7 @@ static int __init connect_didd(void) - req.didd_notify.e.Req = 0; - req.didd_notify.e.Rc = - IDI_SYNC_REQ_DIDD_REGISTER_ADAPTER_NOTIFY; -- req.didd_notify.info.callback = (void *)didd_callback; -+ req.didd_notify.info.callback = didd_callback; - req.didd_notify.info.context = NULL; - DAdapter.request((ENTITY *)&req); - if (req.didd_notify.e.Rc != 0xff) -diff --git a/drivers/isdn/hardware/mISDN/avmfritz.c b/drivers/isdn/hardware/mISDN/avmfritz.c -index e3fa1cd6..a57b04f 100644 ---- a/drivers/isdn/hardware/mISDN/avmfritz.c -+++ b/drivers/isdn/hardware/mISDN/avmfritz.c -@@ -156,7 +156,7 @@ _set_debug(struct fritzcard *card) - } - - static int --set_debug(const char *val, struct kernel_param *kp) -+set_debug(const char *val, const struct kernel_param *kp) - { - int ret; - struct fritzcard *card; -diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c -index 480c2d7..89f2219 100644 ---- a/drivers/isdn/hardware/mISDN/hfcmulti.c -+++ b/drivers/isdn/hardware/mISDN/hfcmulti.c -@@ -2856,8 +2856,9 @@ hfcmulti_interrupt(int intno, void *dev_id) - */ - - static void --hfcmulti_dbusy_timer(struct hfc_multi *hc) -+hfcmulti_dbusy_timer(unsigned long _hc) - { -+ //struct hfc_multi *hc = (struct hfc_multi *)_hc; - } - - -@@ -3878,7 +3879,7 @@ hfcmulti_initmode(struct dchannel *dch) - if (hc->dnum[pt]) { - mode_hfcmulti(hc, dch->slot, dch->dev.D.protocol, - -1, 0, -1, 0); -- dch->timer.function = (void *) hfcmulti_dbusy_timer; -+ dch->timer.function = hfcmulti_dbusy_timer; - dch->timer.data = (long) dch; - init_timer(&dch->timer); - } -@@ -3986,7 +3987,7 @@ hfcmulti_initmode(struct dchannel *dch) - hc->chan[i].slot_rx = -1; - hc->chan[i].conf = -1; - mode_hfcmulti(hc, i, dch->dev.D.protocol, -1, 0, -1, 0); -- dch->timer.function = (void *) hfcmulti_dbusy_timer; -+ dch->timer.function = hfcmulti_dbusy_timer; - dch->timer.data = (long) dch; - init_timer(&dch->timer); - hc->chan[i - 2].slot_tx = -1; -diff --git a/drivers/isdn/hardware/mISDN/hfcpci.c b/drivers/isdn/hardware/mISDN/hfcpci.c -index ff48da6..497fb7b 100644 ---- a/drivers/isdn/hardware/mISDN/hfcpci.c -+++ b/drivers/isdn/hardware/mISDN/hfcpci.c -@@ -301,8 +301,9 @@ reset_hfcpci(struct hfc_pci *hc) - * Timer function called when kernel timer expires - */ - static void --hfcpci_Timer(struct hfc_pci *hc) -+hfcpci_Timer(unsigned long _hc) - { -+ struct hfc_pci *hc = (struct hfc_pci *)_hc; - hc->hw.timer.expires = jiffies + 75; - /* WD RESET */ - /* -@@ -1241,8 +1242,9 @@ hfcpci_int(int intno, void *dev_id) - * timer callback for D-chan busy resolution. Currently no function - */ - static void --hfcpci_dbusy_timer(struct hfc_pci *hc) -+hfcpci_dbusy_timer(unsigned long _hc) - { -+// struct hfc_pci *hc = (struct hfc_pci *)_hc; - } - - /* -@@ -1717,7 +1719,7 @@ static void - inithfcpci(struct hfc_pci *hc) - { - printk(KERN_DEBUG "inithfcpci: entered\n"); -- hc->dch.timer.function = (void *) hfcpci_dbusy_timer; -+ hc->dch.timer.function = hfcpci_dbusy_timer; - hc->dch.timer.data = (long) &hc->dch; - init_timer(&hc->dch.timer); - hc->chanlimit = 2; -@@ -2044,7 +2046,7 @@ setup_hw(struct hfc_pci *hc) - Write_hfc(hc, HFCPCI_INT_M1, hc->hw.int_m1); - /* At this point the needed PCI config is done */ - /* fifos are still not enabled */ -- hc->hw.timer.function = (void *) hfcpci_Timer; -+ hc->hw.timer.function = hfcpci_Timer; - hc->hw.timer.data = (long) hc; - init_timer(&hc->hw.timer); - /* default PCM master */ -@@ -2293,9 +2295,9 @@ _hfcpci_softirq(struct device *dev, void *arg) - } - - static void --hfcpci_softirq(void *arg) -+hfcpci_softirq(unsigned long arg) - { -- WARN_ON_ONCE(driver_for_each_device(&hfc_driver.driver, NULL, arg, -+ WARN_ON_ONCE(driver_for_each_device(&hfc_driver.driver, NULL, (void *)arg, - _hfcpci_softirq) != 0); - - /* if next event would be in the past ... */ -@@ -2330,7 +2332,7 @@ HFC_init(void) - if (poll != HFCPCI_BTRANS_THRESHOLD) { - printk(KERN_INFO "%s: Using alternative poll value of %d\n", - __func__, poll); -- hfc_tl.function = (void *)hfcpci_softirq; -+ hfc_tl.function = hfcpci_softirq; - hfc_tl.data = 0; - init_timer(&hfc_tl); - hfc_tl.expires = jiffies + tics; -diff --git a/drivers/isdn/hardware/mISDN/mISDNinfineon.c b/drivers/isdn/hardware/mISDN/mISDNinfineon.c -index d5bdbaf..a7cdc61 100644 ---- a/drivers/isdn/hardware/mISDN/mISDNinfineon.c -+++ b/drivers/isdn/hardware/mISDN/mISDNinfineon.c -@@ -244,7 +244,7 @@ _set_debug(struct inf_hw *card) - } - - static int --set_debug(const char *val, struct kernel_param *kp) -+set_debug(const char *val, const struct kernel_param *kp) - { - int ret; - struct inf_hw *card; -@@ -586,9 +586,10 @@ reset_inf(struct inf_hw *hw) - } - - static int --inf_ctrl(struct inf_hw *hw, u32 cmd, u_long arg) -+inf_ctrl(struct ipac_hw *_hw, u32 cmd, u_long arg) - { - int ret = 0; -+ struct inf_hw *hw = container_of(_hw, struct inf_hw, ipac); - - switch (cmd) { - case HW_RESET_REQ: -@@ -915,7 +916,7 @@ setup_instance(struct inf_hw *card) - spin_lock_init(&card->lock); - card->ipac.isac.hwlock = &card->lock; - card->ipac.hwlock = &card->lock; -- card->ipac.ctrl = (void *)&inf_ctrl; -+ card->ipac.ctrl = &inf_ctrl; - - err = setup_io(card); - if (err) -diff --git a/drivers/isdn/hardware/mISDN/mISDNipac.c b/drivers/isdn/hardware/mISDN/mISDNipac.c -index 8d338ba..f0cb4af 100644 ---- a/drivers/isdn/hardware/mISDN/mISDNipac.c -+++ b/drivers/isdn/hardware/mISDN/mISDNipac.c -@@ -727,8 +727,9 @@ isac_release(struct isac_hw *isac) - } - - static void --dbusy_timer_handler(struct isac_hw *isac) -+dbusy_timer_handler(unsigned long _isac) - { -+ struct isac_hw *isac = (struct isac_hw *)_isac; - int rbch, star; - u_long flags; - -@@ -796,7 +797,7 @@ isac_init(struct isac_hw *isac) - } - isac->mon_tx = NULL; - isac->mon_rx = NULL; -- isac->dch.timer.function = (void *) dbusy_timer_handler; -+ isac->dch.timer.function = dbusy_timer_handler; - isac->dch.timer.data = (long)isac; - init_timer(&isac->dch.timer); - isac->mocr = 0xaa; -diff --git a/drivers/isdn/hardware/mISDN/netjet.c b/drivers/isdn/hardware/mISDN/netjet.c -index afde4ed..e9fcae4 100644 ---- a/drivers/isdn/hardware/mISDN/netjet.c -+++ b/drivers/isdn/hardware/mISDN/netjet.c -@@ -111,7 +111,7 @@ _set_debug(struct tiger_hw *card) - } - - static int --set_debug(const char *val, struct kernel_param *kp) -+set_debug(const char *val, const struct kernel_param *kp) - { - int ret; - struct tiger_hw *card; -diff --git a/drivers/isdn/hardware/mISDN/speedfax.c b/drivers/isdn/hardware/mISDN/speedfax.c -index 9815bb4..3d6181e 100644 ---- a/drivers/isdn/hardware/mISDN/speedfax.c -+++ b/drivers/isdn/hardware/mISDN/speedfax.c -@@ -94,7 +94,7 @@ _set_debug(struct sfax_hw *card) - } - - static int --set_debug(const char *val, struct kernel_param *kp) -+set_debug(const char *val, const struct kernel_param *kp) - { - int ret; - struct sfax_hw *card; -@@ -186,9 +186,10 @@ reset_speedfax(struct sfax_hw *sf) - } - - static int --sfax_ctrl(struct sfax_hw *sf, u32 cmd, u_long arg) -+sfax_ctrl(void *_sf, u32 cmd, u_long arg) - { - int ret = 0; -+ struct sfax_hw *sf = (struct sfax_hw *)_sf; - - switch (cmd) { - case HW_RESET_REQ: -@@ -386,7 +387,7 @@ setup_instance(struct sfax_hw *card) - spin_lock_init(&card->lock); - card->isac.hwlock = &card->lock; - card->isar.hwlock = &card->lock; -- card->isar.ctrl = (void *)&sfax_ctrl; -+ card->isar.ctrl = &sfax_ctrl; - card->isac.name = card->name; - card->isar.name = card->name; - card->isar.owner = THIS_MODULE; -diff --git a/drivers/isdn/hardware/mISDN/w6692.c b/drivers/isdn/hardware/mISDN/w6692.c -index 3b067ea..5806dd3 100644 ---- a/drivers/isdn/hardware/mISDN/w6692.c -+++ b/drivers/isdn/hardware/mISDN/w6692.c -@@ -101,7 +101,7 @@ _set_debug(struct w6692_hw *card) - } - - static int --set_debug(const char *val, struct kernel_param *kp) -+set_debug(const char *val, const struct kernel_param *kp) - { - int ret; - struct w6692_hw *card; -@@ -819,8 +819,9 @@ w6692_irq(int intno, void *dev_id) - } - - static void --dbusy_timer_handler(struct dchannel *dch) -+dbusy_timer_handler(unsigned long _dch) - { -+ struct dchannel *dch = (struct dchannel *)_dch; - struct w6692_hw *card = dch->hw; - int rbch, star; - u_long flags; -@@ -852,7 +853,7 @@ static void initW6692(struct w6692_hw *card) - { - u8 val; - -- card->dch.timer.function = (void *)dbusy_timer_handler; -+ card->dch.timer.function = dbusy_timer_handler; - card->dch.timer.data = (u_long)&card->dch; - init_timer(&card->dch.timer); - w6692_mode(&card->bc[0], ISDN_P_NONE); -diff --git a/drivers/isdn/hisax/amd7930_fn.c b/drivers/isdn/hisax/amd7930_fn.c -index 36817e0..b02bb98 100644 ---- a/drivers/isdn/hisax/amd7930_fn.c -+++ b/drivers/isdn/hisax/amd7930_fn.c -@@ -685,8 +685,9 @@ DC_Close_Amd7930(struct IsdnCardState *cs) { - - - static void --dbusy_timer_handler(struct IsdnCardState *cs) -+dbusy_timer_handler(unsigned long _cs) - { -+ struct IsdnCardState *cs = (struct IsdnCardState *)_cs; - u_long flags; - struct PStack *stptr; - WORD dtcr, der; -@@ -789,7 +790,7 @@ void Amd7930_init(struct IsdnCardState *cs) - void setup_Amd7930(struct IsdnCardState *cs) - { - INIT_WORK(&cs->tqueue, Amd7930_bh); -- cs->dbusytimer.function = (void *) dbusy_timer_handler; -+ cs->dbusytimer.function = dbusy_timer_handler; - cs->dbusytimer.data = (long) cs; - init_timer(&cs->dbusytimer); - } -diff --git a/drivers/isdn/hisax/arcofi.c b/drivers/isdn/hisax/arcofi.c -index 29ec2df..9c7123c 100644 ---- a/drivers/isdn/hisax/arcofi.c -+++ b/drivers/isdn/hisax/arcofi.c -@@ -112,7 +112,8 @@ arcofi_fsm(struct IsdnCardState *cs, int event, void *data) { - } - - static void --arcofi_timer(struct IsdnCardState *cs) { -+arcofi_timer(unsigned long _cs) { -+ struct IsdnCardState *cs = (struct IsdnCardState *)_cs; - arcofi_fsm(cs, ARCOFI_TIMEOUT, NULL); - } - -@@ -125,7 +126,7 @@ clear_arcofi(struct IsdnCardState *cs) { - - void - init_arcofi(struct IsdnCardState *cs) { -- cs->dc.isac.arcofitimer.function = (void *) arcofi_timer; -+ cs->dc.isac.arcofitimer.function = arcofi_timer; - cs->dc.isac.arcofitimer.data = (long) cs; - init_timer(&cs->dc.isac.arcofitimer); - init_waitqueue_head(&cs->dc.isac.arcofi_wait); -diff --git a/drivers/isdn/hisax/config.c b/drivers/isdn/hisax/config.c -index bf04d2a..a7d53c9 100644 ---- a/drivers/isdn/hisax/config.c -+++ b/drivers/isdn/hisax/config.c -@@ -659,7 +659,7 @@ int jiftime(char *s, long mark) - - static u_char tmpbuf[HISAX_STATUS_BUFSIZE]; - --void VHiSax_putstatus(struct IsdnCardState *cs, char *head, char *fmt, -+void VHiSax_putstatus(struct IsdnCardState *cs, char *head, const char *fmt, - va_list args) - { - /* if head == NULL the fmt contains the full info */ -@@ -729,7 +729,7 @@ void VHiSax_putstatus(struct IsdnCardState *cs, char *head, char *fmt, - } - } - --void HiSax_putstatus(struct IsdnCardState *cs, char *head, char *fmt, ...) -+void HiSax_putstatus(struct IsdnCardState *cs, char *head, const char *fmt, ...) - { - va_list args; - -diff --git a/drivers/isdn/hisax/diva.c b/drivers/isdn/hisax/diva.c -index 4fc90de..fda68cd 100644 ---- a/drivers/isdn/hisax/diva.c -+++ b/drivers/isdn/hisax/diva.c -@@ -796,8 +796,9 @@ reset_diva(struct IsdnCardState *cs) - #define DIVA_ASSIGN 1 - - static void --diva_led_handler(struct IsdnCardState *cs) -+diva_led_handler(unsigned long _cs) - { -+ struct IsdnCardState *cs = (struct IsdnCardState *)_cs; - int blink = 0; - - if ((cs->subtyp == DIVA_IPAC_ISA) || -@@ -898,7 +899,7 @@ Diva_card_msg(struct IsdnCardState *cs, int mt, void *arg) - (cs->subtyp != DIVA_IPAC_PCI) && - (cs->subtyp != DIVA_IPACX_PCI)) { - spin_lock_irqsave(&cs->lock, flags); -- diva_led_handler(cs); -+ diva_led_handler((unsigned long)cs); - spin_unlock_irqrestore(&cs->lock, flags); - } - return (0); -@@ -976,7 +977,7 @@ static int setup_diva_common(struct IsdnCardState *cs) - printk(KERN_INFO "Diva: IPACX Design Id: %x\n", - MemReadISAC_IPACX(cs, IPACX_ID) & 0x3F); - } else { /* DIVA 2.0 */ -- cs->hw.diva.tl.function = (void *) diva_led_handler; -+ cs->hw.diva.tl.function = diva_led_handler; - cs->hw.diva.tl.data = (long) cs; - init_timer(&cs->hw.diva.tl); - cs->readisac = &ReadISAC; -diff --git a/drivers/isdn/hisax/elsa.c b/drivers/isdn/hisax/elsa.c -index d8ef64d..9c50267 100644 ---- a/drivers/isdn/hisax/elsa.c -+++ b/drivers/isdn/hisax/elsa.c -@@ -606,8 +606,9 @@ check_arcofi(struct IsdnCardState *cs) - #endif /* ARCOFI_USE */ - - static void --elsa_led_handler(struct IsdnCardState *cs) -+elsa_led_handler(unsigned long _cs) - { -+ struct IsdnCardState *cs = (struct IsdnCardState *)_cs; - int blink = 0; - - if (cs->subtyp == ELSA_PCMCIA || cs->subtyp == ELSA_PCMCIA_IPAC) -@@ -715,7 +716,7 @@ Elsa_card_msg(struct IsdnCardState *cs, int mt, void *arg) - init_modem(cs); - } - #endif -- elsa_led_handler(cs); -+ elsa_led_handler((unsigned long)cs); - return (ret); - case (MDL_REMOVE | REQUEST): - cs->hw.elsa.status &= 0; -@@ -767,7 +768,7 @@ Elsa_card_msg(struct IsdnCardState *cs, int mt, void *arg) - else - cs->hw.elsa.status &= ~ELSA_BAD_PWR; - } -- elsa_led_handler(cs); -+ elsa_led_handler((unsigned long)cs); - return (ret); - } - -@@ -1147,7 +1148,7 @@ static int setup_elsa_common(struct IsdnCard *card) - init_arcofi(cs); - #endif - setup_isac(cs); -- cs->hw.elsa.tl.function = (void *) elsa_led_handler; -+ cs->hw.elsa.tl.function = elsa_led_handler; - cs->hw.elsa.tl.data = (long) cs; - init_timer(&cs->hw.elsa.tl); - /* Teste Timer */ -diff --git a/drivers/isdn/hisax/fsm.c b/drivers/isdn/hisax/fsm.c -index c7a9471..5409bd3 100644 ---- a/drivers/isdn/hisax/fsm.c -+++ b/drivers/isdn/hisax/fsm.c -@@ -85,8 +85,9 @@ FsmChangeState(struct FsmInst *fi, int newstate) - } - - static void --FsmExpireTimer(struct FsmTimer *ft) -+FsmExpireTimer(unsigned long _ft) - { -+ struct FsmTimer *ft = (struct FsmTimer *)_ft; - #if FSM_TIMER_DEBUG - if (ft->fi->debug) - ft->fi->printdebug(ft->fi, "FsmExpireTimer %lx", (long) ft); -@@ -98,7 +99,7 @@ void - FsmInitTimer(struct FsmInst *fi, struct FsmTimer *ft) - { - ft->fi = fi; -- ft->tl.function = (void *) FsmExpireTimer; -+ ft->tl.function = FsmExpireTimer; - ft->tl.data = (long) ft; - #if FSM_TIMER_DEBUG - if (ft->fi->debug) -diff --git a/drivers/isdn/hisax/hfc4s8s_l1.c b/drivers/isdn/hisax/hfc4s8s_l1.c -index e034ed8..52056d1 100644 ---- a/drivers/isdn/hisax/hfc4s8s_l1.c -+++ b/drivers/isdn/hisax/hfc4s8s_l1.c -@@ -299,8 +299,9 @@ Read_hfc16_stable(hfc4s8s_hw *hw, int reg) - /* D-channel call from HiSax */ - /*****************************/ - static void --dch_l2l1(struct hisax_d_if *iface, int pr, void *arg) -+dch_l2l1(struct hisax_if *_iface, int pr, void *arg) - { -+ struct hisax_d_if *iface = container_of(_iface, struct hisax_d_if, ifc); - struct hfc4s8s_l1 *l1 = iface->ifc.priv; - struct sk_buff *skb = (struct sk_buff *) arg; - u_long flags; -@@ -591,8 +592,9 @@ bch_l2l1(struct hisax_if *ifc, int pr, void *arg) - /* layer 1 timer function */ - /**************************/ - static void --hfc_l1_timer(struct hfc4s8s_l1 *l1) -+hfc_l1_timer(unsigned long _l1) - { -+ struct hfc4s8s_l1 *l1 = (struct hfc4s8s_l1 *)_l1; - u_long flags; - - if (!l1->enabled) -@@ -1396,16 +1398,16 @@ setup_instance(hfc4s8s_hw *hw) - l1p = hw->l1 + i; - spin_lock_init(&l1p->lock); - l1p->hw = hw; -- l1p->l1_timer.function = (void *) hfc_l1_timer; -+ l1p->l1_timer.function = hfc_l1_timer; - l1p->l1_timer.data = (long) (l1p); - init_timer(&l1p->l1_timer); - l1p->st_num = i; - skb_queue_head_init(&l1p->d_tx_queue); - l1p->d_if.ifc.priv = hw->l1 + i; -- l1p->d_if.ifc.l2l1 = (void *) dch_l2l1; -+ l1p->d_if.ifc.l2l1 = dch_l2l1; - - spin_lock_init(&l1p->b_ch[0].lock); -- l1p->b_ch[0].b_if.ifc.l2l1 = (void *) bch_l2l1; -+ l1p->b_ch[0].b_if.ifc.l2l1 = bch_l2l1; - l1p->b_ch[0].b_if.ifc.priv = (void *) &l1p->b_ch[0]; - l1p->b_ch[0].l1p = hw->l1 + i; - l1p->b_ch[0].bchan = 1; -@@ -1413,7 +1415,7 @@ setup_instance(hfc4s8s_hw *hw) - skb_queue_head_init(&l1p->b_ch[0].tx_queue); - - spin_lock_init(&l1p->b_ch[1].lock); -- l1p->b_ch[1].b_if.ifc.l2l1 = (void *) bch_l2l1; -+ l1p->b_ch[1].b_if.ifc.l2l1 = bch_l2l1; - l1p->b_ch[1].b_if.ifc.priv = (void *) &l1p->b_ch[1]; - l1p->b_ch[1].l1p = hw->l1 + i; - l1p->b_ch[1].bchan = 2; -diff --git a/drivers/isdn/hisax/hfc_2bds0.c b/drivers/isdn/hisax/hfc_2bds0.c -index a756e5c..e4789ba 100644 ---- a/drivers/isdn/hisax/hfc_2bds0.c -+++ b/drivers/isdn/hisax/hfc_2bds0.c -@@ -1014,7 +1014,7 @@ setstack_hfcd(struct PStack *st, struct IsdnCardState *cs) - } - - static void --hfc_dbusy_timer(struct IsdnCardState *cs) -+hfc_dbusy_timer(unsigned long _cs) - { - } - -@@ -1073,7 +1073,7 @@ set_cs_func(struct IsdnCardState *cs) - cs->writeisacfifo = &dummyf; - cs->BC_Read_Reg = &ReadReg; - cs->BC_Write_Reg = &WriteReg; -- cs->dbusytimer.function = (void *) hfc_dbusy_timer; -+ cs->dbusytimer.function = hfc_dbusy_timer; - cs->dbusytimer.data = (long) cs; - init_timer(&cs->dbusytimer); - INIT_WORK(&cs->tqueue, hfcd_bh); -diff --git a/drivers/isdn/hisax/hfc_pci.c b/drivers/isdn/hisax/hfc_pci.c -index 90449e1..9a5394c 100644 ---- a/drivers/isdn/hisax/hfc_pci.c -+++ b/drivers/isdn/hisax/hfc_pci.c -@@ -165,8 +165,9 @@ reset_hfcpci(struct IsdnCardState *cs) - /* Timer function called when kernel timer expires */ - /***************************************************/ - static void --hfcpci_Timer(struct IsdnCardState *cs) -+hfcpci_Timer(unsigned long _cs) - { -+ struct IsdnCardState *cs = (struct IsdnCardState *)_cs; - cs->hw.hfcpci.timer.expires = jiffies + 75; - /* WD RESET */ - /* WriteReg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcpci.ctmt | 0x80); -@@ -1095,8 +1096,9 @@ hfcpci_interrupt(int intno, void *dev_id) - /* timer callback for D-chan busy resolution. Currently no function */ - /********************************************************************/ - static void --hfcpci_dbusy_timer(struct IsdnCardState *cs) -+hfcpci_dbusy_timer(unsigned long _cs) - { -+ //struct IsdnCardState *cs = (struct IsdnCardState *)_cs; - } - - /*************************************/ -@@ -1582,7 +1584,7 @@ inithfcpci(struct IsdnCardState *cs) - cs->bcs[1].BC_SetStack = setstack_2b; - cs->bcs[0].BC_Close = close_hfcpci; - cs->bcs[1].BC_Close = close_hfcpci; -- cs->dbusytimer.function = (void *) hfcpci_dbusy_timer; -+ cs->dbusytimer.function = hfcpci_dbusy_timer; - cs->dbusytimer.data = (long) cs; - init_timer(&cs->dbusytimer); - mode_hfcpci(cs->bcs, 0, 0); -@@ -1746,7 +1748,7 @@ setup_hfcpci(struct IsdnCard *card) - cs->BC_Write_Reg = NULL; - cs->irq_func = &hfcpci_interrupt; - cs->irq_flags |= IRQF_SHARED; -- cs->hw.hfcpci.timer.function = (void *) hfcpci_Timer; -+ cs->hw.hfcpci.timer.function = hfcpci_Timer; - cs->hw.hfcpci.timer.data = (long) cs; - init_timer(&cs->hw.hfcpci.timer); - cs->cardmsg = &hfcpci_card_msg; -diff --git a/drivers/isdn/hisax/hfc_sx.c b/drivers/isdn/hisax/hfc_sx.c -index 13b2151..d3e0732 100644 ---- a/drivers/isdn/hisax/hfc_sx.c -+++ b/drivers/isdn/hisax/hfc_sx.c -@@ -418,8 +418,9 @@ reset_hfcsx(struct IsdnCardState *cs) - /* Timer function called when kernel timer expires */ - /***************************************************/ - static void --hfcsx_Timer(struct IsdnCardState *cs) -+hfcsx_Timer(unsigned long _cs) - { -+ struct IsdnCardState *cs = (struct IsdnCardState *)_cs; - cs->hw.hfcsx.timer.expires = jiffies + 75; - /* WD RESET */ - /* WriteReg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcsx.ctmt | 0x80); -@@ -860,8 +861,9 @@ hfcsx_interrupt(int intno, void *dev_id) - /* timer callback for D-chan busy resolution. Currently no function */ - /********************************************************************/ - static void --hfcsx_dbusy_timer(struct IsdnCardState *cs) -+hfcsx_dbusy_timer(unsigned long _cs) - { -+ //struct IsdnCardState *cs = (struct IsdnCardState *)_cs; - } - - /*************************************/ -@@ -1495,7 +1497,7 @@ int setup_hfcsx(struct IsdnCard *card) - } else - return (0); /* no valid card type */ - -- cs->dbusytimer.function = (void *) hfcsx_dbusy_timer; -+ cs->dbusytimer.function = hfcsx_dbusy_timer; - cs->dbusytimer.data = (long) cs; - init_timer(&cs->dbusytimer); - INIT_WORK(&cs->tqueue, hfcsx_bh); -@@ -1507,7 +1509,7 @@ int setup_hfcsx(struct IsdnCard *card) - cs->BC_Write_Reg = NULL; - cs->irq_func = &hfcsx_interrupt; - -- cs->hw.hfcsx.timer.function = (void *) hfcsx_Timer; -+ cs->hw.hfcsx.timer.function = hfcsx_Timer; - cs->hw.hfcsx.timer.data = (long) cs; - cs->hw.hfcsx.b_fifo_size = 0; /* fifo size still unknown */ - cs->hw.hfcsx.cirm = ccd_sp_irqtab[cs->irq & 0xF]; /* RAM not evaluated */ -diff --git a/drivers/isdn/hisax/hfc_usb.c b/drivers/isdn/hisax/hfc_usb.c -index 678bd52..1c4f12a 100644 ---- a/drivers/isdn/hisax/hfc_usb.c -+++ b/drivers/isdn/hisax/hfc_usb.c -@@ -343,8 +343,10 @@ handle_led(hfcusb_data *hfc, int event) - - /* ISDN l1 timer T3 expires */ - static void --l1_timer_expire_t3(hfcusb_data *hfc) -+l1_timer_expire_t3(unsigned long _hfc) - { -+ hfcusb_data *hfc = (hfcusb_data *)_hfc; -+ - hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, PH_DEACTIVATE | INDICATION, - NULL); - -@@ -360,8 +362,10 @@ l1_timer_expire_t3(hfcusb_data *hfc) - - /* ISDN l1 timer T4 expires */ - static void --l1_timer_expire_t4(hfcusb_data *hfc) -+l1_timer_expire_t4(unsigned long _hfc) - { -+ hfcusb_data *hfc = (hfcusb_data *)_hfc; -+ - hfc->d_if.ifc.l1l2(&hfc->d_if.ifc, PH_DEACTIVATE | INDICATION, - NULL); - -@@ -1167,12 +1171,12 @@ hfc_usb_init(hfcusb_data *hfc) - /* init the t3 timer */ - init_timer(&hfc->t3_timer); - hfc->t3_timer.data = (long) hfc; -- hfc->t3_timer.function = (void *) l1_timer_expire_t3; -+ hfc->t3_timer.function = l1_timer_expire_t3; - - /* init the t4 timer */ - init_timer(&hfc->t4_timer); - hfc->t4_timer.data = (long) hfc; -- hfc->t4_timer.function = (void *) l1_timer_expire_t4; -+ hfc->t4_timer.function = l1_timer_expire_t4; - - /* init the background machinery for control requests */ - hfc->ctrl_read.bRequestType = 0xc0; -diff --git a/drivers/isdn/hisax/hfcscard.c b/drivers/isdn/hisax/hfcscard.c -index 394da64..85f5f63 100644 ---- a/drivers/isdn/hisax/hfcscard.c -+++ b/drivers/isdn/hisax/hfcscard.c -@@ -41,8 +41,10 @@ hfcs_interrupt(int intno, void *dev_id) - } - - static void --hfcs_Timer(struct IsdnCardState *cs) -+hfcs_Timer(unsigned long _cs) - { -+ struct IsdnCardState *cs = (struct IsdnCardState *)_cs; -+ - cs->hw.hfcD.timer.expires = jiffies + 75; - /* WD RESET */ - /* WriteReg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt | 0x80); -@@ -253,7 +255,7 @@ int setup_hfcs(struct IsdnCard *card) - outb(0x57, cs->hw.hfcD.addr | 1); - } - set_cs_func(cs); -- cs->hw.hfcD.timer.function = (void *) hfcs_Timer; -+ cs->hw.hfcD.timer.function = hfcs_Timer; - cs->hw.hfcD.timer.data = (long) cs; - init_timer(&cs->hw.hfcD.timer); - cs->cardmsg = &hfcs_card_msg; -diff --git a/drivers/isdn/hisax/hisax.h b/drivers/isdn/hisax/hisax.h -index 6ead6314..338d040 100644 ---- a/drivers/isdn/hisax/hisax.h -+++ b/drivers/isdn/hisax/hisax.h -@@ -1288,9 +1288,9 @@ int jiftime(char *s, long mark); - int HiSax_command(isdn_ctrl *ic); - int HiSax_writebuf_skb(int id, int chan, int ack, struct sk_buff *skb); - __printf(3, 4) --void HiSax_putstatus(struct IsdnCardState *cs, char *head, char *fmt, ...); -+void HiSax_putstatus(struct IsdnCardState *cs, char *head, const char *fmt, ...); - __printf(3, 0) --void VHiSax_putstatus(struct IsdnCardState *cs, char *head, char *fmt, va_list args); -+void VHiSax_putstatus(struct IsdnCardState *cs, char *head, const char *fmt, va_list args); - void HiSax_reportcard(int cardnr, int sel); - int QuickHex(char *txt, u_char *p, int cnt); - void LogFrame(struct IsdnCardState *cs, u_char *p, int size); -diff --git a/drivers/isdn/hisax/icc.c b/drivers/isdn/hisax/icc.c -index 96d1df0..77a05ee 100644 ---- a/drivers/isdn/hisax/icc.c -+++ b/drivers/isdn/hisax/icc.c -@@ -580,8 +580,9 @@ DC_Close_icc(struct IsdnCardState *cs) { - } - - static void --dbusy_timer_handler(struct IsdnCardState *cs) -+dbusy_timer_handler(unsigned long _cs) - { -+ struct IsdnCardState *cs = (struct IsdnCardState *)_cs; - struct PStack *stptr; - int rbch, star; - -@@ -676,7 +677,7 @@ clear_pending_icc_ints(struct IsdnCardState *cs) - void setup_icc(struct IsdnCardState *cs) - { - INIT_WORK(&cs->tqueue, icc_bh); -- cs->dbusytimer.function = (void *) dbusy_timer_handler; -+ cs->dbusytimer.function = dbusy_timer_handler; - cs->dbusytimer.data = (long) cs; - init_timer(&cs->dbusytimer); - } -diff --git a/drivers/isdn/hisax/ipacx.c b/drivers/isdn/hisax/ipacx.c -index 9cc26b4..d7fa044 100644 ---- a/drivers/isdn/hisax/ipacx.c -+++ b/drivers/isdn/hisax/ipacx.c -@@ -35,7 +35,7 @@ - static void ph_command(struct IsdnCardState *cs, unsigned int command); - static inline void cic_int(struct IsdnCardState *cs); - static void dch_l2l1(struct PStack *st, int pr, void *arg); --static void dbusy_timer_handler(struct IsdnCardState *cs); -+static void dbusy_timer_handler(unsigned long _cs); - static void dch_empty_fifo(struct IsdnCardState *cs, int count); - static void dch_fill_fifo(struct IsdnCardState *cs); - static inline void dch_int(struct IsdnCardState *cs); -@@ -198,8 +198,9 @@ dch_l2l1(struct PStack *st, int pr, void *arg) - //---------------------------------------------------------- - //---------------------------------------------------------- - static void --dbusy_timer_handler(struct IsdnCardState *cs) -+dbusy_timer_handler(unsigned long _cs) - { -+ struct IsdnCardState *cs = (struct IsdnCardState *)_cs; - struct PStack *st; - int rbchd, stard; - -@@ -424,7 +425,7 @@ dch_init(struct IsdnCardState *cs) - - cs->setstack_d = dch_setstack; - -- cs->dbusytimer.function = (void *) dbusy_timer_handler; -+ cs->dbusytimer.function = dbusy_timer_handler; - cs->dbusytimer.data = (long) cs; - init_timer(&cs->dbusytimer); - -diff --git a/drivers/isdn/hisax/isac.c b/drivers/isdn/hisax/isac.c -index df7e05c..0f7dca1 100644 ---- a/drivers/isdn/hisax/isac.c -+++ b/drivers/isdn/hisax/isac.c -@@ -584,8 +584,9 @@ DC_Close_isac(struct IsdnCardState *cs) - } - - static void --dbusy_timer_handler(struct IsdnCardState *cs) -+dbusy_timer_handler(unsigned long _cs) - { -+ struct IsdnCardState *cs = (struct IsdnCardState *)_cs; - struct PStack *stptr; - int rbch, star; - -@@ -677,7 +678,7 @@ void clear_pending_isac_ints(struct IsdnCardState *cs) - void setup_isac(struct IsdnCardState *cs) - { - INIT_WORK(&cs->tqueue, isac_bh); -- cs->dbusytimer.function = (void *) dbusy_timer_handler; -+ cs->dbusytimer.function = dbusy_timer_handler; - cs->dbusytimer.data = (long) cs; - init_timer(&cs->dbusytimer); - } -diff --git a/drivers/isdn/hisax/isar.c b/drivers/isdn/hisax/isar.c -index f4956c7..122d249 100644 ---- a/drivers/isdn/hisax/isar.c -+++ b/drivers/isdn/hisax/isar.c -@@ -1267,7 +1267,8 @@ isar_int_main(struct IsdnCardState *cs) - } - - static void --ftimer_handler(struct BCState *bcs) { -+ftimer_handler(unsigned long _bcs) { -+ struct BCState *bcs = (struct BCState *)_bcs; - if (bcs->cs->debug) - debugl1(bcs->cs, "ftimer flags %04lx", - bcs->Flag); -@@ -1902,7 +1903,7 @@ void initisar(struct IsdnCardState *cs) - cs->bcs[1].BC_SetStack = setstack_isar; - cs->bcs[0].BC_Close = close_isarstate; - cs->bcs[1].BC_Close = close_isarstate; -- cs->bcs[0].hw.isar.ftimer.function = (void *) ftimer_handler; -+ cs->bcs[0].hw.isar.ftimer.function = ftimer_handler; - cs->bcs[0].hw.isar.ftimer.data = (long) &cs->bcs[0]; - init_timer(&cs->bcs[0].hw.isar.ftimer); - cs->bcs[1].hw.isar.ftimer.function = (void *) ftimer_handler; -diff --git a/drivers/isdn/hisax/isdnl3.c b/drivers/isdn/hisax/isdnl3.c -index c754706..8b1ffd5 100644 ---- a/drivers/isdn/hisax/isdnl3.c -+++ b/drivers/isdn/hisax/isdnl3.c -@@ -160,8 +160,9 @@ newl3state(struct l3_process *pc, int state) - } - - static void --L3ExpireTimer(struct L3Timer *t) -+L3ExpireTimer(unsigned long _t) - { -+ struct L3Timer *t = (struct L3Timer *)_t; - t->pc->st->lli.l4l3(t->pc->st, t->event, t->pc); - } - -@@ -169,7 +170,7 @@ void - L3InitTimer(struct l3_process *pc, struct L3Timer *t) - { - t->pc = pc; -- t->tl.function = (void *) L3ExpireTimer; -+ t->tl.function = L3ExpireTimer; - t->tl.data = (long) t; - init_timer(&t->tl); - } -diff --git a/drivers/isdn/hisax/saphir.c b/drivers/isdn/hisax/saphir.c -index 6b2d0ec..4bf5a9e 100644 ---- a/drivers/isdn/hisax/saphir.c -+++ b/drivers/isdn/hisax/saphir.c -@@ -159,8 +159,9 @@ saphir_interrupt(int intno, void *dev_id) - } - - static void --SaphirWatchDog(struct IsdnCardState *cs) -+SaphirWatchDog(unsigned long _cs) - { -+ struct IsdnCardState *cs = (struct IsdnCardState *)_cs; - u_long flags; - - spin_lock_irqsave(&cs->lock, flags); -@@ -268,7 +269,7 @@ int setup_saphir(struct IsdnCard *card) - cs->irq, cs->hw.saphir.cfg_reg); - - setup_isac(cs); -- cs->hw.saphir.timer.function = (void *) SaphirWatchDog; -+ cs->hw.saphir.timer.function = SaphirWatchDog; - cs->hw.saphir.timer.data = (long) cs; - init_timer(&cs->hw.saphir.timer); - cs->hw.saphir.timer.expires = jiffies + 4 * HZ; -diff --git a/drivers/isdn/hisax/teleint.c b/drivers/isdn/hisax/teleint.c -index bf64754..e2a3709 100644 ---- a/drivers/isdn/hisax/teleint.c -+++ b/drivers/isdn/hisax/teleint.c -@@ -179,8 +179,9 @@ TeleInt_interrupt(int intno, void *dev_id) - } - - static void --TeleInt_Timer(struct IsdnCardState *cs) -+TeleInt_Timer(unsigned long _cs) - { -+ struct IsdnCardState *cs = (struct IsdnCardState *)_cs; - int stat = 0; - u_long flags; - -@@ -278,7 +279,7 @@ int setup_TeleInt(struct IsdnCard *card) - cs->bcs[0].hw.hfc.send = NULL; - cs->bcs[1].hw.hfc.send = NULL; - cs->hw.hfc.fifosize = 7 * 1024 + 512; -- cs->hw.hfc.timer.function = (void *) TeleInt_Timer; -+ cs->hw.hfc.timer.function = TeleInt_Timer; - cs->hw.hfc.timer.data = (long) cs; - init_timer(&cs->hw.hfc.timer); - if (!request_region(cs->hw.hfc.addr, 2, "TeleInt isdn")) { -diff --git a/drivers/isdn/hisax/w6692.c b/drivers/isdn/hisax/w6692.c -index a858955..908285b 100644 ---- a/drivers/isdn/hisax/w6692.c -+++ b/drivers/isdn/hisax/w6692.c -@@ -681,8 +681,9 @@ DC_Close_W6692(struct IsdnCardState *cs) - } - - static void --dbusy_timer_handler(struct IsdnCardState *cs) -+dbusy_timer_handler(unsigned long _cs) - { -+ struct IsdnCardState *cs = (struct IsdnCardState *)_cs; - struct PStack *stptr; - int rbch, star; - u_long flags; -@@ -901,7 +902,7 @@ static void initW6692(struct IsdnCardState *cs, int part) - if (part & 1) { - cs->setstack_d = setstack_W6692; - cs->DC_Close = DC_Close_W6692; -- cs->dbusytimer.function = (void *) dbusy_timer_handler; -+ cs->dbusytimer.function = dbusy_timer_handler; - cs->dbusytimer.data = (long) cs; - init_timer(&cs->dbusytimer); - resetW6692(cs); -diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c -index 9b856e1..fa03c92 100644 ---- a/drivers/isdn/i4l/isdn_common.c -+++ b/drivers/isdn/i4l/isdn_common.c -@@ -1654,6 +1654,8 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg) - } else - return -EINVAL; - case IIOCDBGVAR: -+ if (!capable(CAP_SYS_RAWIO)) -+ return -EPERM; - if (arg) { - if (copy_to_user(argp, &dev, sizeof(ulong))) - return -EFAULT; -diff --git a/drivers/isdn/i4l/isdn_concap.c b/drivers/isdn/i4l/isdn_concap.c -index 91d5730..336523e 100644 ---- a/drivers/isdn/i4l/isdn_concap.c -+++ b/drivers/isdn/i4l/isdn_concap.c -@@ -80,9 +80,9 @@ static int isdn_concap_dl_disconn_req(struct concap_proto *concap) - } - - struct concap_device_ops isdn_concap_reliable_dl_dops = { -- &isdn_concap_dl_data_req, -- &isdn_concap_dl_connect_req, -- &isdn_concap_dl_disconn_req -+ .data_req = &isdn_concap_dl_data_req, -+ .connect_req = &isdn_concap_dl_connect_req, -+ .disconn_req = &isdn_concap_dl_disconn_req - }; - - /* The following should better go into a dedicated source file such that -diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c -index 63eaa0a..00a663c 100644 ---- a/drivers/isdn/i4l/isdn_tty.c -+++ b/drivers/isdn/i4l/isdn_tty.c -@@ -1499,9 +1499,9 @@ isdn_tty_open(struct tty_struct *tty, struct file *filp) - - #ifdef ISDN_DEBUG_MODEM_OPEN - printk(KERN_DEBUG "isdn_tty_open %s, count = %d\n", tty->name, -- port->count); -+ atomic_read(&port->count)); - #endif -- port->count++; -+ atomic_inc(&port->count); - port->tty = tty; - /* - * Start up serial port -@@ -1545,7 +1545,7 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp) - #endif - return; - } -- if ((tty->count == 1) && (port->count != 1)) { -+ if ((tty->count == 1) && (atomic_read(&port->count) != 1)) { - /* - * Uh, oh. tty->count is 1, which means that the tty - * structure will be freed. Info->count should always -@@ -1554,15 +1554,15 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp) - * serial port won't be shutdown. - */ - printk(KERN_ERR "isdn_tty_close: bad port count; tty->count is 1, " -- "info->count is %d\n", port->count); -- port->count = 1; -+ "info->count is %d\n", atomic_read(&port->count)); -+ atomic_set(&port->count, 1); - } -- if (--port->count < 0) { -+ if (atomic_dec_return(&port->count) < 0) { - printk(KERN_ERR "isdn_tty_close: bad port count for ttyi%d: %d\n", -- info->line, port->count); -- port->count = 0; -+ info->line, atomic_read(&port->count)); -+ atomic_set(&port->count, 0); - } -- if (port->count) { -+ if (atomic_read(&port->count)) { - #ifdef ISDN_DEBUG_MODEM_OPEN - printk(KERN_DEBUG "isdn_tty_close after info->count != 0\n"); - #endif -@@ -1617,7 +1617,7 @@ isdn_tty_hangup(struct tty_struct *tty) - if (isdn_tty_paranoia_check(info, tty->name, "isdn_tty_hangup")) - return; - isdn_tty_shutdown(info); -- port->count = 0; -+ atomic_set(&port->count, 0); - tty_port_set_active(port, 0); - port->tty = NULL; - wake_up_interruptible(&port->open_wait); -@@ -1962,7 +1962,7 @@ isdn_tty_find_icall(int di, int ch, setup_parm *setup) - for (i = 0; i < ISDN_MAX_CHANNELS; i++) { - modem_info *info = &dev->mdm.info[i]; - -- if (info->port.count == 0) -+ if (atomic_read(&info->port.count) == 0) - continue; - if ((info->emu.mdmreg[REG_SI1] & si2bit[si1]) && /* SI1 is matching */ - (info->emu.mdmreg[REG_SI2] == si2)) { /* SI2 is matching */ -diff --git a/drivers/isdn/i4l/isdn_x25iface.c b/drivers/isdn/i4l/isdn_x25iface.c -index 0c5d8de..ba60076 100644 ---- a/drivers/isdn/i4l/isdn_x25iface.c -+++ b/drivers/isdn/i4l/isdn_x25iface.c -@@ -53,14 +53,14 @@ static int isdn_x25iface_disconn_ind(struct concap_proto *); - - - static struct concap_proto_ops ix25_pops = { -- &isdn_x25iface_proto_new, -- &isdn_x25iface_proto_del, -- &isdn_x25iface_proto_restart, -- &isdn_x25iface_proto_close, -- &isdn_x25iface_xmit, -- &isdn_x25iface_receive, -- &isdn_x25iface_connect_ind, -- &isdn_x25iface_disconn_ind -+ .proto_new = &isdn_x25iface_proto_new, -+ .proto_del = &isdn_x25iface_proto_del, -+ .restart = &isdn_x25iface_proto_restart, -+ .close = &isdn_x25iface_proto_close, -+ .encap_and_xmit = &isdn_x25iface_xmit, -+ .data_ind = &isdn_x25iface_receive, -+ .connect_ind = &isdn_x25iface_connect_ind, -+ .disconn_ind = &isdn_x25iface_disconn_ind - }; - - /* error message helper function */ -diff --git a/drivers/isdn/mISDN/dsp.h b/drivers/isdn/mISDN/dsp.h -index fc1733a..27bf261 100644 ---- a/drivers/isdn/mISDN/dsp.h -+++ b/drivers/isdn/mISDN/dsp.h -@@ -247,7 +247,7 @@ extern void dsp_cmx_hardware(struct dsp_conf *conf, struct dsp *dsp); - extern int dsp_cmx_conf(struct dsp *dsp, u32 conf_id); - extern void dsp_cmx_receive(struct dsp *dsp, struct sk_buff *skb); - extern void dsp_cmx_hdlc(struct dsp *dsp, struct sk_buff *skb); --extern void dsp_cmx_send(void *arg); -+extern void dsp_cmx_send(unsigned long arg); - extern void dsp_cmx_transmit(struct dsp *dsp, struct sk_buff *skb); - extern int dsp_cmx_del_conf_member(struct dsp *dsp); - extern int dsp_cmx_del_conf(struct dsp_conf *conf); -@@ -259,7 +259,7 @@ extern u8 *dsp_dtmf_goertzel_decode(struct dsp *dsp, u8 *data, int len, - - extern int dsp_tone(struct dsp *dsp, int tone); - extern void dsp_tone_copy(struct dsp *dsp, u8 *data, int len); --extern void dsp_tone_timeout(void *arg); -+extern void dsp_tone_timeout(unsigned long arg); - - extern void dsp_bf_encrypt(struct dsp *dsp, u8 *data, int len); - extern void dsp_bf_decrypt(struct dsp *dsp, u8 *data, int len); -diff --git a/drivers/isdn/mISDN/dsp_cmx.c b/drivers/isdn/mISDN/dsp_cmx.c -index 8e3aa00..723faf8 100644 ---- a/drivers/isdn/mISDN/dsp_cmx.c -+++ b/drivers/isdn/mISDN/dsp_cmx.c -@@ -1625,8 +1625,8 @@ unsigned long dsp_spl_jiffies; /* calculate the next time to fire */ - static u16 dsp_count; /* last sample count */ - static int dsp_count_valid; /* if we have last sample count */ - --void --dsp_cmx_send(void *arg) -+void __intentional_overflow(-1) -+dsp_cmx_send(unsigned long arg) - { - struct dsp_conf *conf; - struct dsp_conf_member *member; -diff --git a/drivers/isdn/mISDN/dsp_core.c b/drivers/isdn/mISDN/dsp_core.c -index 0222b1a..67fb76a 100644 ---- a/drivers/isdn/mISDN/dsp_core.c -+++ b/drivers/isdn/mISDN/dsp_core.c -@@ -1092,7 +1092,7 @@ dspcreate(struct channel_req *crq) - ndsp->pcm_bank_tx = -1; - ndsp->hfc_conf = -1; /* current conference number */ - /* set tone timer */ -- ndsp->tone.tl.function = (void *)dsp_tone_timeout; -+ ndsp->tone.tl.function = dsp_tone_timeout; - ndsp->tone.tl.data = (long) ndsp; - init_timer(&ndsp->tone.tl); - -@@ -1204,7 +1204,7 @@ static int __init dsp_init(void) - } - - /* set sample timer */ -- dsp_spl_tl.function = (void *)dsp_cmx_send; -+ dsp_spl_tl.function = dsp_cmx_send; - dsp_spl_tl.data = 0; - init_timer(&dsp_spl_tl); - dsp_spl_tl.expires = jiffies + dsp_tics; -diff --git a/drivers/isdn/mISDN/dsp_tones.c b/drivers/isdn/mISDN/dsp_tones.c -index 057e0d6..ed229b5 100644 ---- a/drivers/isdn/mISDN/dsp_tones.c -+++ b/drivers/isdn/mISDN/dsp_tones.c -@@ -457,9 +457,9 @@ dsp_tone_hw_message(struct dsp *dsp, u8 *sample, int len) - * timer expires * - *****************/ - void --dsp_tone_timeout(void *arg) -+dsp_tone_timeout(unsigned long arg) - { -- struct dsp *dsp = arg; -+ struct dsp *dsp = (struct dsp *)arg; - struct dsp_tone *tone = &dsp->tone; - struct pattern *pat = (struct pattern *)tone->pattern; - int index = tone->index; -diff --git a/drivers/isdn/mISDN/fsm.c b/drivers/isdn/mISDN/fsm.c -index 26477d4..4fa3876 100644 ---- a/drivers/isdn/mISDN/fsm.c -+++ b/drivers/isdn/mISDN/fsm.c -@@ -97,8 +97,9 @@ mISDN_FsmChangeState(struct FsmInst *fi, int newstate) - EXPORT_SYMBOL(mISDN_FsmChangeState); - - static void --FsmExpireTimer(struct FsmTimer *ft) -+FsmExpireTimer(unsigned long _ft) - { -+ struct FsmTimer *ft = (struct FsmTimer *)_ft; - #if FSM_TIMER_DEBUG - if (ft->fi->debug) - ft->fi->printdebug(ft->fi, "FsmExpireTimer %lx", (long) ft); -@@ -110,7 +111,7 @@ void - mISDN_FsmInitTimer(struct FsmInst *fi, struct FsmTimer *ft) - { - ft->fi = fi; -- ft->tl.function = (void *) FsmExpireTimer; -+ ft->tl.function = FsmExpireTimer; - ft->tl.data = (long) ft; - #if FSM_TIMER_DEBUG - if (ft->fi->debug) -diff --git a/drivers/isdn/mISDN/l1oip_core.c b/drivers/isdn/mISDN/l1oip_core.c -index 67c2187..fc71e33 100644 ---- a/drivers/isdn/mISDN/l1oip_core.c -+++ b/drivers/isdn/mISDN/l1oip_core.c -@@ -840,7 +840,7 @@ l1oip_send_bh(struct work_struct *work) - * timer stuff - */ - static void --l1oip_keepalive(void *data) -+l1oip_keepalive(unsigned long data) - { - struct l1oip *hc = (struct l1oip *)data; - -@@ -848,7 +848,7 @@ l1oip_keepalive(void *data) - } - - static void --l1oip_timeout(void *data) -+l1oip_timeout(unsigned long data) - { - struct l1oip *hc = (struct l1oip *)data; - struct dchannel *dch = hc->chan[hc->d_idx].dch; -@@ -1435,13 +1435,13 @@ init_card(struct l1oip *hc, int pri, int bundle) - if (ret) - return ret; - -- hc->keep_tl.function = (void *)l1oip_keepalive; -+ hc->keep_tl.function = l1oip_keepalive; - hc->keep_tl.data = (ulong)hc; - init_timer(&hc->keep_tl); - hc->keep_tl.expires = jiffies + 2 * HZ; /* two seconds first time */ - add_timer(&hc->keep_tl); - -- hc->timeout_tl.function = (void *)l1oip_timeout; -+ hc->timeout_tl.function = l1oip_timeout; - hc->timeout_tl.data = (ulong)hc; - init_timer(&hc->timeout_tl); - hc->timeout_on = 0; /* state that we have timer off */ -diff --git a/drivers/leds/leds-clevo-mail.c b/drivers/leds/leds-clevo-mail.c -index 0f9ed1e..492789f 100644 ---- a/drivers/leds/leds-clevo-mail.c -+++ b/drivers/leds/leds-clevo-mail.c -@@ -40,7 +40,7 @@ static int __init clevo_mail_led_dmi_callback(const struct dmi_system_id *id) - * detected as working, but in reality it is not) as low as - * possible. - */ --static struct dmi_system_id clevo_mail_led_dmi_table[] __initdata = { -+static const struct dmi_system_id clevo_mail_led_dmi_table[] __initconst = { - { - .callback = clevo_mail_led_dmi_callback, - .ident = "Clevo D410J", -diff --git a/drivers/leds/leds-ss4200.c b/drivers/leds/leds-ss4200.c -index 732eb86..a9db867 100644 ---- a/drivers/leds/leds-ss4200.c -+++ b/drivers/leds/leds-ss4200.c -@@ -91,7 +91,7 @@ MODULE_PARM_DESC(nodetect, "Skip DMI-based hardware detection"); - * detected as working, but in reality it is not) as low as - * possible. - */ --static struct dmi_system_id nas_led_whitelist[] __initdata = { -+static const struct dmi_system_id nas_led_whitelist[] __initconst = { - { - .callback = ss4200_led_dmi_callback, - .ident = "Intel SS4200-E", -diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c -index 9e385b3..7077882 100644 ---- a/drivers/lguest/core.c -+++ b/drivers/lguest/core.c -@@ -87,7 +87,7 @@ static __init int map_switcher(void) - * Copy in the compiled-in Switcher code (from x86/switcher_32.S). - * It goes in the first page, which we map in momentarily. - */ -- memcpy(kmap(lg_switcher_pages[0]), start_switcher_text, -+ memcpy(kmap(lg_switcher_pages[0]), (void *)ktla_ktva((unsigned long)start_switcher_text), - end_switcher_text - start_switcher_text); - kunmap(lg_switcher_pages[0]); - -@@ -106,9 +106,16 @@ static __init int map_switcher(void) - * We want the switcher text to be read-only and executable, and - * the stacks to be read-write and non-executable. - */ -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ switcher_text_vma = __get_vm_area(PAGE_SIZE, VM_ALLOC|VM_NO_GUARD|VM_KERNEXEC, -+ switcher_addr, -+ switcher_addr + PAGE_SIZE); -+#else - switcher_text_vma = __get_vm_area(PAGE_SIZE, VM_ALLOC|VM_NO_GUARD, - switcher_addr, - switcher_addr + PAGE_SIZE); -+#endif - - if (!switcher_text_vma) { - err = -ENOMEM; -diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c -index e3abebc9..6a35328 100644 ---- a/drivers/lguest/page_tables.c -+++ b/drivers/lguest/page_tables.c -@@ -585,7 +585,7 @@ void pin_page(struct lg_cpu *cpu, unsigned long vaddr) - /*:*/ - - #ifdef CONFIG_X86_PAE --static void release_pmd(pmd_t *spmd) -+static void __intentional_overflow(-1) release_pmd(pmd_t *spmd) - { - /* If the entry's not present, there's nothing to release. */ - if (pmd_flags(*spmd) & _PAGE_PRESENT) { -diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c -index 6e9042e..befd030 100644 ---- a/drivers/lguest/x86/core.c -+++ b/drivers/lguest/x86/core.c -@@ -60,7 +60,7 @@ static struct { - /* Offset from where switcher.S was compiled to where we've copied it */ - static unsigned long switcher_offset(void) - { -- return switcher_addr - (unsigned long)start_switcher_text; -+ return switcher_addr - ktla_ktva((unsigned long)start_switcher_text); - } - - /* This cpu's struct lguest_pages (after the Switcher text page) */ -@@ -100,7 +100,13 @@ static void copy_in_guest_info(struct lg_cpu *cpu, struct lguest_pages *pages) - * These copies are pretty cheap, so we do them unconditionally: */ - /* Save the current Host top-level page directory. - */ -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ pages->state.host_cr3 = read_cr3(); -+#else - pages->state.host_cr3 = __pa(current->mm->pgd); -+#endif -+ - /* - * Set up the Guest's page tables to see this CPU's pages (and no - * other CPU's pages). -@@ -498,7 +504,7 @@ void __init lguest_arch_host_init(void) - * compiled-in switcher code and the high-mapped copy we just made. - */ - for (i = 0; i < IDT_ENTRIES; i++) -- default_idt_entries[i] += switcher_offset(); -+ default_idt_entries[i] = ktla_ktva(default_idt_entries[i]) + switcher_offset(); - - /* - * Set up the Switcher's per-cpu areas. -@@ -581,7 +587,7 @@ void __init lguest_arch_host_init(void) - * it will be undisturbed when we switch. To change %cs and jump we - * need this structure to feed to Intel's "lcall" instruction. - */ -- lguest_entry.offset = (long)switch_to_guest + switcher_offset(); -+ lguest_entry.offset = ktla_ktva((unsigned long)switch_to_guest) + switcher_offset(); - lguest_entry.segment = LGUEST_CS; - - /* -diff --git a/drivers/lguest/x86/switcher_32.S b/drivers/lguest/x86/switcher_32.S -index 40634b0..4f5855e 100644 ---- a/drivers/lguest/x86/switcher_32.S -+++ b/drivers/lguest/x86/switcher_32.S -@@ -87,6 +87,7 @@ - #include - #include - #include -+#include - - // We mark the start of the code to copy - // It's placed in .text tho it's never run here -@@ -149,6 +150,13 @@ ENTRY(switch_to_guest) - // Changes type when we load it: damn Intel! - // For after we switch over our page tables - // That entry will be read-only: we'd crash. -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ mov %cr0, %edx -+ xor $X86_CR0_WP, %edx -+ mov %edx, %cr0 -+#endif -+ - movl $(GDT_ENTRY_TSS*8), %edx - ltr %dx - -@@ -157,9 +165,15 @@ ENTRY(switch_to_guest) - // Let's clear it again for our return. - // The GDT descriptor of the Host - // Points to the table after two "size" bytes -- movl (LGUEST_PAGES_host_gdt_desc+2)(%eax), %edx -+ movl (LGUEST_PAGES_host_gdt_desc+2)(%eax), %eax - // Clear "used" from type field (byte 5, bit 2) -- andb $0xFD, (GDT_ENTRY_TSS*8 + 5)(%edx) -+ andb $0xFD, (GDT_ENTRY_TSS*8 + 5)(%eax) -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ mov %cr0, %eax -+ xor $X86_CR0_WP, %eax -+ mov %eax, %cr0 -+#endif - - // Once our page table's switched, the Guest is live! - // The Host fades as we run this final step. -@@ -295,13 +309,12 @@ deliver_to_host: - // I consulted gcc, and it gave - // These instructions, which I gladly credit: - leal (%edx,%ebx,8), %eax -- movzwl (%eax),%edx -- movl 4(%eax), %eax -- xorw %ax, %ax -- orl %eax, %edx -+ movl 4(%eax), %edx -+ movw (%eax), %dx - // Now the address of the handler's in %edx - // We call it now: its "iret" drops us home. -- jmp *%edx -+ ljmp $__KERNEL_CS, $1f -+1: jmp *%edx - - // Every interrupt can come to us here - // But we must truly tell each apart. -diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c -index 37fcaad..e2be8ad 100644 ---- a/drivers/lightnvm/rrpc.c -+++ b/drivers/lightnvm/rrpc.c -@@ -231,7 +231,7 @@ static void rrpc_put_blks(struct rrpc *rrpc) - - static struct rrpc_lun *get_next_lun(struct rrpc *rrpc) - { -- int next = atomic_inc_return(&rrpc->next_lun); -+ int next = atomic_inc_return_unchecked(&rrpc->next_lun); - - return &rrpc->luns[next % rrpc->nr_luns]; - } -@@ -1389,7 +1389,7 @@ static void *rrpc_init(struct nvm_dev *dev, struct gendisk *tdisk, - rrpc->nr_sects = (unsigned long long)dev->sec_per_lun * rrpc->nr_luns; - - /* simple round-robin strategy */ -- atomic_set(&rrpc->next_lun, -1); -+ atomic_set_unchecked(&rrpc->next_lun, -1); - - ret = rrpc_area_init(rrpc, &soffset); - if (ret < 0) { -diff --git a/drivers/lightnvm/rrpc.h b/drivers/lightnvm/rrpc.h -index 5e87d52..2666040 100644 ---- a/drivers/lightnvm/rrpc.h -+++ b/drivers/lightnvm/rrpc.h -@@ -104,7 +104,7 @@ struct rrpc { - /* Write strategy variables. Move these into each for structure for each - * strategy - */ -- atomic_t next_lun; /* Whenever a page is written, this is updated -+ atomic_unchecked_t next_lun; /* Whenever a page is written, this is updated - * to point to the next write lun - */ - -diff --git a/drivers/md/bcache/Kconfig b/drivers/md/bcache/Kconfig -index 4d20088..de60cb2 100644 ---- a/drivers/md/bcache/Kconfig -+++ b/drivers/md/bcache/Kconfig -@@ -20,6 +20,7 @@ config BCACHE_CLOSURES_DEBUG - bool "Debug closures" - depends on BCACHE - select DEBUG_FS -+ depends on !GRKERNSEC_KMEM - ---help--- - Keeps all active closures in a linked list and provides a debugfs - interface to list them, which makes it possible to see asynchronous -diff --git a/drivers/md/bcache/alloc.c b/drivers/md/bcache/alloc.c -index ca4abe1..0b029ef 100644 ---- a/drivers/md/bcache/alloc.c -+++ b/drivers/md/bcache/alloc.c -@@ -631,7 +631,7 @@ bool bch_alloc_sectors(struct cache_set *c, struct bkey *k, unsigned sectors, - for (i = 0; i < KEY_PTRS(&b->key); i++) { - SET_PTR_OFFSET(&b->key, i, PTR_OFFSET(&b->key, i) + sectors); - -- atomic_long_add(sectors, -+ atomic_long_add_unchecked(sectors, - &PTR_CACHE(c, &b->key, i)->sectors_written); - } - -diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h -index c3ea03c..7412315 100644 ---- a/drivers/md/bcache/bcache.h -+++ b/drivers/md/bcache/bcache.h -@@ -433,12 +433,12 @@ struct cache { - - /* The rest of this all shows up in sysfs */ - #define IO_ERROR_SHIFT 20 -- atomic_t io_errors; -- atomic_t io_count; -+ atomic_unchecked_t io_errors; -+ atomic_unchecked_t io_count; - -- atomic_long_t meta_sectors_written; -- atomic_long_t btree_sectors_written; -- atomic_long_t sectors_written; -+ atomic_long_unchecked_t meta_sectors_written; -+ atomic_long_unchecked_t btree_sectors_written; -+ atomic_long_unchecked_t sectors_written; - }; - - struct gc_stat { -diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c -index 2efdce0..e30d873 100644 ---- a/drivers/md/bcache/btree.c -+++ b/drivers/md/bcache/btree.c -@@ -336,15 +336,17 @@ static void btree_complete_write(struct btree *b, struct btree_write *w) - w->journal = NULL; - } - --static void btree_node_write_unlock(struct closure *cl) -+static void btree_node_write_unlock(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct btree *b = container_of(cl, struct btree, io); - - up(&b->io_mutex); - } - --static void __btree_node_write_done(struct closure *cl) -+static void __btree_node_write_done(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct btree *b = container_of(cl, struct btree, io); - struct btree_write *w = btree_prev_write(b); - -@@ -358,12 +360,13 @@ static void __btree_node_write_done(struct closure *cl) - closure_return_with_destructor(cl, btree_node_write_unlock); - } - --static void btree_node_write_done(struct closure *cl) -+static void btree_node_write_done(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct btree *b = container_of(cl, struct btree, io); - - bio_free_pages(b->bio); -- __btree_node_write_done(cl); -+ __btree_node_write_done(&cl->work); - } - - static void btree_node_write_endio(struct bio *bio) -@@ -463,7 +466,7 @@ void __bch_btree_node_write(struct btree *b, struct closure *parent) - - do_btree_node_write(b); - -- atomic_long_add(set_blocks(i, block_bytes(b->c)) * b->c->sb.block_size, -+ atomic_long_add_unchecked(set_blocks(i, block_bytes(b->c)) * b->c->sb.block_size, - &PTR_CACHE(b->c, &b->key, 0)->btree_sectors_written); - - b->written += set_blocks(i, block_bytes(b->c)); -diff --git a/drivers/md/bcache/closure.c b/drivers/md/bcache/closure.c -index 864e673..9c022d1 100644 ---- a/drivers/md/bcache/closure.c -+++ b/drivers/md/bcache/closure.c -@@ -29,12 +29,12 @@ static inline void closure_put_after_sub(struct closure *cl, int flags) - closure_queue(cl); - } else { - struct closure *parent = cl->parent; -- closure_fn *destructor = cl->fn; -+ work_func_t destructor = cl->fn; - - closure_debug_destroy(cl); - - if (destructor) -- destructor(cl); -+ destructor(&cl->work); - - if (parent) - closure_put(parent); -diff --git a/drivers/md/bcache/closure.h b/drivers/md/bcache/closure.h -index 9b2fe2d..be17fd2 100644 ---- a/drivers/md/bcache/closure.h -+++ b/drivers/md/bcache/closure.h -@@ -152,7 +152,7 @@ struct closure { - struct workqueue_struct *wq; - struct task_struct *task; - struct llist_node list; -- closure_fn *fn; -+ work_func_t fn; - }; - struct work_struct work; - }; -@@ -236,10 +236,10 @@ static inline void closure_set_stopped(struct closure *cl) - atomic_sub(CLOSURE_RUNNING, &cl->remaining); - } - --static inline void set_closure_fn(struct closure *cl, closure_fn *fn, -+static inline void set_closure_fn(struct closure *cl, work_func_t fn, - struct workqueue_struct *wq) - { -- BUG_ON(object_is_on_stack(cl)); -+ BUG_ON(object_starts_on_stack(cl)); - closure_set_ip(cl); - cl->fn = fn; - cl->wq = wq; -@@ -254,7 +254,7 @@ static inline void closure_queue(struct closure *cl) - INIT_WORK(&cl->work, cl->work.func); - BUG_ON(!queue_work(wq, &cl->work)); - } else -- cl->fn(cl); -+ cl->fn(&cl->work); - } - - /** -@@ -373,7 +373,7 @@ do { \ - * asynchronously out of a new closure - @parent will then wait for @cl to - * finish. - */ --static inline void closure_call(struct closure *cl, closure_fn fn, -+static inline void closure_call(struct closure *cl, work_func_t fn, - struct workqueue_struct *wq, - struct closure *parent) - { -diff --git a/drivers/md/bcache/io.c b/drivers/md/bcache/io.c -index e97b0ac..5aff0fa 100644 ---- a/drivers/md/bcache/io.c -+++ b/drivers/md/bcache/io.c -@@ -60,7 +60,7 @@ void bch_count_io_errors(struct cache *ca, int error, const char *m) - */ - - if (ca->set->error_decay) { -- unsigned count = atomic_inc_return(&ca->io_count); -+ unsigned count = atomic_inc_return_unchecked(&ca->io_count); - - while (count > ca->set->error_decay) { - unsigned errors; -@@ -72,16 +72,16 @@ void bch_count_io_errors(struct cache *ca, int error, const char *m) - * succesfully do so, we rescale the errors once: - */ - -- count = atomic_cmpxchg(&ca->io_count, old, new); -+ count = atomic_cmpxchg_unchecked(&ca->io_count, old, new); - - if (count == old) { - count = new; - -- errors = atomic_read(&ca->io_errors); -+ errors = atomic_read_unchecked(&ca->io_errors); - do { - old = errors; - new = ((uint64_t) errors * 127) / 128; -- errors = atomic_cmpxchg(&ca->io_errors, -+ errors = atomic_cmpxchg_unchecked(&ca->io_errors, - old, new); - } while (old != errors); - } -@@ -90,7 +90,7 @@ void bch_count_io_errors(struct cache *ca, int error, const char *m) - - if (error) { - char buf[BDEVNAME_SIZE]; -- unsigned errors = atomic_add_return(1 << IO_ERROR_SHIFT, -+ unsigned errors = atomic_add_return_unchecked(1 << IO_ERROR_SHIFT, - &ca->io_errors); - errors >>= IO_ERROR_SHIFT; - -diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c -index 6925023..bff91f0 100644 ---- a/drivers/md/bcache/journal.c -+++ b/drivers/md/bcache/journal.c -@@ -555,10 +555,11 @@ static void journal_write_endio(struct bio *bio) - closure_put(&w->c->journal.io); - } - --static void journal_write(struct closure *); -+static void journal_write(struct work_struct *); - --static void journal_write_done(struct closure *cl) -+static void journal_write_done(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct journal *j = container_of(cl, struct journal, io); - struct journal_write *w = (j->cur == j->w) - ? &j->w[1] -@@ -568,17 +569,19 @@ static void journal_write_done(struct closure *cl) - continue_at_nobarrier(cl, journal_write, system_wq); - } - --static void journal_write_unlock(struct closure *cl) -+static void journal_write_unlock(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct cache_set *c = container_of(cl, struct cache_set, journal.io); - - c->journal.io_in_flight = 0; - spin_unlock(&c->journal.lock); - } - --static void journal_write_unlocked(struct closure *cl) -+static void journal_write_unlocked(struct work_struct *work) - __releases(c->journal.lock) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct cache_set *c = container_of(cl, struct cache_set, journal.io); - struct cache *ca; - struct journal_write *w = c->journal.cur; -@@ -621,7 +624,7 @@ static void journal_write_unlocked(struct closure *cl) - ca = PTR_CACHE(c, k, i); - bio = &ca->journal.bio; - -- atomic_long_add(sectors, &ca->meta_sectors_written); -+ atomic_long_add_unchecked(sectors, &ca->meta_sectors_written); - - bio_reset(bio); - bio->bi_iter.bi_sector = PTR_OFFSET(k, i); -@@ -654,12 +657,13 @@ static void journal_write_unlocked(struct closure *cl) - continue_at(cl, journal_write_done, NULL); - } - --static void journal_write(struct closure *cl) -+static void journal_write(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct cache_set *c = container_of(cl, struct cache_set, journal.io); - - spin_lock(&c->journal.lock); -- journal_write_unlocked(cl); -+ journal_write_unlocked(&cl->work); - } - - static void journal_try_write(struct cache_set *c) -diff --git a/drivers/md/bcache/movinggc.c b/drivers/md/bcache/movinggc.c -index 5c4bdde..99659fe 100644 ---- a/drivers/md/bcache/movinggc.c -+++ b/drivers/md/bcache/movinggc.c -@@ -34,14 +34,16 @@ static bool moving_pred(struct keybuf *buf, struct bkey *k) - - /* Moving GC - IO loop */ - --static void moving_io_destructor(struct closure *cl) -+static void moving_io_destructor(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct moving_io *io = container_of(cl, struct moving_io, cl); - kfree(io); - } - --static void write_moving_finish(struct closure *cl) -+static void write_moving_finish(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct moving_io *io = container_of(cl, struct moving_io, cl); - struct bio *bio = &io->bio.bio; - -@@ -89,8 +91,9 @@ static void moving_init(struct moving_io *io) - bch_bio_map(bio, NULL); - } - --static void write_moving(struct closure *cl) -+static void write_moving(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct moving_io *io = container_of(cl, struct moving_io, cl); - struct data_insert_op *op = &io->op; - -@@ -113,8 +116,9 @@ static void write_moving(struct closure *cl) - continue_at(cl, write_moving_finish, op->wq); - } - --static void read_moving_submit(struct closure *cl) -+static void read_moving_submit(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct moving_io *io = container_of(cl, struct moving_io, cl); - struct bio *bio = &io->bio.bio; - -diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c -index a37c177..a4dfbfc 100644 ---- a/drivers/md/bcache/request.c -+++ b/drivers/md/bcache/request.c -@@ -24,7 +24,7 @@ - - struct kmem_cache *bch_search_cache; - --static void bch_data_insert_start(struct closure *); -+static void bch_data_insert_start(struct work_struct *); - - static unsigned cache_mode(struct cached_dev *dc, struct bio *bio) - { -@@ -53,8 +53,9 @@ static void bio_csum(struct bio *bio, struct bkey *k) - - /* Insert data into cache */ - --static void bch_data_insert_keys(struct closure *cl) -+static void bch_data_insert_keys(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct data_insert_op *op = container_of(cl, struct data_insert_op, cl); - atomic_t *journal_ref = NULL; - struct bkey *replace_key = op->replace ? &op->replace_key : NULL; -@@ -143,8 +144,9 @@ static void bch_data_invalidate(struct closure *cl) - continue_at(cl, bch_data_insert_keys, op->wq); - } - --static void bch_data_insert_error(struct closure *cl) -+static void bch_data_insert_error(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct data_insert_op *op = container_of(cl, struct data_insert_op, cl); - - /* -@@ -170,7 +172,7 @@ static void bch_data_insert_error(struct closure *cl) - - op->insert_keys.top = dst; - -- bch_data_insert_keys(cl); -+ bch_data_insert_keys(&cl->work); - } - - static void bch_data_insert_endio(struct bio *bio) -@@ -191,8 +193,9 @@ static void bch_data_insert_endio(struct bio *bio) - bch_bbio_endio(op->c, bio, bio->bi_error, "writing data to cache"); - } - --static void bch_data_insert_start(struct closure *cl) -+static void bch_data_insert_start(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct data_insert_op *op = container_of(cl, struct data_insert_op, cl); - struct bio *bio = op->bio, *n; - -@@ -311,8 +314,9 @@ static void bch_data_insert_start(struct closure *cl) - * If s->bypass is true, instead of inserting the data it invalidates the - * region of the cache represented by s->cache_bio and op->inode. - */ --void bch_data_insert(struct closure *cl) -+void bch_data_insert(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct data_insert_op *op = container_of(cl, struct data_insert_op, cl); - - trace_bcache_write(op->c, op->inode, op->bio, -@@ -320,7 +324,7 @@ void bch_data_insert(struct closure *cl) - - bch_keylist_init(&op->insert_keys); - bio_get(op->bio); -- bch_data_insert_start(cl); -+ bch_data_insert_start(&cl->work); - } - - /* Congested? */ -@@ -568,8 +572,9 @@ static int cache_lookup_fn(struct btree_op *op, struct btree *b, struct bkey *k) - return n == bio ? MAP_DONE : MAP_CONTINUE; - } - --static void cache_lookup(struct closure *cl) -+static void cache_lookup(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct search *s = container_of(cl, struct search, iop.cl); - struct bio *bio = &s->bio.bio; - int ret; -@@ -629,8 +634,9 @@ static void do_bio_hook(struct search *s, struct bio *orig_bio) - bio_cnt_set(bio, 3); - } - --static void search_free(struct closure *cl) -+static void search_free(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct search *s = container_of(cl, struct search, cl); - bio_complete(s); - -@@ -674,19 +680,21 @@ static inline struct search *search_alloc(struct bio *bio, - - /* Cached devices */ - --static void cached_dev_bio_complete(struct closure *cl) -+static void cached_dev_bio_complete(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct search *s = container_of(cl, struct search, cl); - struct cached_dev *dc = container_of(s->d, struct cached_dev, disk); - -- search_free(cl); -+ search_free(&cl->work); - cached_dev_put(dc); - } - - /* Process reads */ - --static void cached_dev_cache_miss_done(struct closure *cl) -+static void cached_dev_cache_miss_done(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct search *s = container_of(cl, struct search, cl); - - if (s->iop.replace_collision) -@@ -695,11 +703,12 @@ static void cached_dev_cache_miss_done(struct closure *cl) - if (s->iop.bio) - bio_free_pages(s->iop.bio); - -- cached_dev_bio_complete(cl); -+ cached_dev_bio_complete(&cl->work); - } - --static void cached_dev_read_error(struct closure *cl) -+static void cached_dev_read_error(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct search *s = container_of(cl, struct search, cl); - struct bio *bio = &s->bio.bio; - -@@ -718,8 +727,9 @@ static void cached_dev_read_error(struct closure *cl) - continue_at(cl, cached_dev_cache_miss_done, NULL); - } - --static void cached_dev_read_done(struct closure *cl) -+static void cached_dev_read_done(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct search *s = container_of(cl, struct search, cl); - struct cached_dev *dc = container_of(s->d, struct cached_dev, disk); - -@@ -758,8 +768,9 @@ static void cached_dev_read_done(struct closure *cl) - continue_at(cl, cached_dev_cache_miss_done, NULL); - } - --static void cached_dev_read_done_bh(struct closure *cl) -+static void cached_dev_read_done_bh(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct search *s = container_of(cl, struct search, cl); - struct cached_dev *dc = container_of(s->d, struct cached_dev, disk); - -@@ -857,13 +868,14 @@ static void cached_dev_read(struct cached_dev *dc, struct search *s) - - /* Process writes */ - --static void cached_dev_write_complete(struct closure *cl) -+static void cached_dev_write_complete(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct search *s = container_of(cl, struct search, cl); - struct cached_dev *dc = container_of(s->d, struct cached_dev, disk); - - up_read_non_owner(&dc->writeback_lock); -- cached_dev_bio_complete(cl); -+ cached_dev_bio_complete(&cl->work); - } - - static void cached_dev_write(struct cached_dev *dc, struct search *s) -@@ -935,8 +947,9 @@ static void cached_dev_write(struct cached_dev *dc, struct search *s) - continue_at(cl, cached_dev_write_complete, NULL); - } - --static void cached_dev_nodata(struct closure *cl) -+static void cached_dev_nodata(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct search *s = container_of(cl, struct search, cl); - struct bio *bio = &s->bio.bio; - -@@ -1056,8 +1069,9 @@ static int flash_dev_cache_miss(struct btree *b, struct search *s, - return MAP_CONTINUE; - } - --static void flash_dev_nodata(struct closure *cl) -+static void flash_dev_nodata(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct search *s = container_of(cl, struct search, cl); - - if (s->iop.flush_journal) -diff --git a/drivers/md/bcache/request.h b/drivers/md/bcache/request.h -index 1ff3687..b8f4a05 100644 ---- a/drivers/md/bcache/request.h -+++ b/drivers/md/bcache/request.h -@@ -33,7 +33,7 @@ struct data_insert_op { - }; - - unsigned bch_get_congested(struct cache_set *); --void bch_data_insert(struct closure *cl); -+void bch_data_insert(struct work_struct *work); - - void bch_cached_dev_request_init(struct cached_dev *dc); - void bch_flash_dev_request_init(struct bcache_device *d); -diff --git a/drivers/md/bcache/stats.c b/drivers/md/bcache/stats.c -index 0ca072c..5e6e5c3 100644 ---- a/drivers/md/bcache/stats.c -+++ b/drivers/md/bcache/stats.c -@@ -120,7 +120,7 @@ void bch_cache_accounting_destroy(struct cache_accounting *acc) - kobject_put(&acc->hour.kobj); - kobject_put(&acc->day.kobj); - -- atomic_set(&acc->closing, 1); -+ atomic_set_unchecked(&acc->closing, 1); - if (del_timer_sync(&acc->timer)) - closure_return(&acc->cl); - } -@@ -151,7 +151,7 @@ static void scale_accounting(unsigned long data) - struct cache_accounting *acc = (struct cache_accounting *) data; - - #define move_stat(name) do { \ -- unsigned t = atomic_xchg(&acc->collector.name, 0); \ -+ unsigned t = atomic_xchg_unchecked(&acc->collector.name, 0); \ - t <<= 16; \ - acc->five_minute.name += t; \ - acc->hour.name += t; \ -@@ -174,7 +174,7 @@ static void scale_accounting(unsigned long data) - - acc->timer.expires += accounting_delay; - -- if (!atomic_read(&acc->closing)) -+ if (!atomic_read_unchecked(&acc->closing)) - add_timer(&acc->timer); - else - closure_return(&acc->cl); -@@ -185,14 +185,14 @@ static void mark_cache_stats(struct cache_stat_collector *stats, - { - if (!bypass) - if (hit) -- atomic_inc(&stats->cache_hits); -+ atomic_inc_unchecked(&stats->cache_hits); - else -- atomic_inc(&stats->cache_misses); -+ atomic_inc_unchecked(&stats->cache_misses); - else - if (hit) -- atomic_inc(&stats->cache_bypass_hits); -+ atomic_inc_unchecked(&stats->cache_bypass_hits); - else -- atomic_inc(&stats->cache_bypass_misses); -+ atomic_inc_unchecked(&stats->cache_bypass_misses); - } - - void bch_mark_cache_accounting(struct cache_set *c, struct bcache_device *d, -@@ -206,22 +206,22 @@ void bch_mark_cache_accounting(struct cache_set *c, struct bcache_device *d, - void bch_mark_cache_readahead(struct cache_set *c, struct bcache_device *d) - { - struct cached_dev *dc = container_of(d, struct cached_dev, disk); -- atomic_inc(&dc->accounting.collector.cache_readaheads); -- atomic_inc(&c->accounting.collector.cache_readaheads); -+ atomic_inc_unchecked(&dc->accounting.collector.cache_readaheads); -+ atomic_inc_unchecked(&c->accounting.collector.cache_readaheads); - } - - void bch_mark_cache_miss_collision(struct cache_set *c, struct bcache_device *d) - { - struct cached_dev *dc = container_of(d, struct cached_dev, disk); -- atomic_inc(&dc->accounting.collector.cache_miss_collisions); -- atomic_inc(&c->accounting.collector.cache_miss_collisions); -+ atomic_inc_unchecked(&dc->accounting.collector.cache_miss_collisions); -+ atomic_inc_unchecked(&c->accounting.collector.cache_miss_collisions); - } - - void bch_mark_sectors_bypassed(struct cache_set *c, struct cached_dev *dc, - int sectors) - { -- atomic_add(sectors, &dc->accounting.collector.sectors_bypassed); -- atomic_add(sectors, &c->accounting.collector.sectors_bypassed); -+ atomic_add_unchecked(sectors, &dc->accounting.collector.sectors_bypassed); -+ atomic_add_unchecked(sectors, &c->accounting.collector.sectors_bypassed); - } - - void bch_cache_accounting_init(struct cache_accounting *acc, -diff --git a/drivers/md/bcache/stats.h b/drivers/md/bcache/stats.h -index adbff14..018c2d2 100644 ---- a/drivers/md/bcache/stats.h -+++ b/drivers/md/bcache/stats.h -@@ -2,13 +2,13 @@ - #define _BCACHE_STATS_H_ - - struct cache_stat_collector { -- atomic_t cache_hits; -- atomic_t cache_misses; -- atomic_t cache_bypass_hits; -- atomic_t cache_bypass_misses; -- atomic_t cache_readaheads; -- atomic_t cache_miss_collisions; -- atomic_t sectors_bypassed; -+ atomic_unchecked_t cache_hits; -+ atomic_unchecked_t cache_misses; -+ atomic_unchecked_t cache_bypass_hits; -+ atomic_unchecked_t cache_bypass_misses; -+ atomic_unchecked_t cache_readaheads; -+ atomic_unchecked_t cache_miss_collisions; -+ atomic_unchecked_t sectors_bypassed; - }; - - struct cache_stats { -@@ -28,7 +28,7 @@ struct cache_stats { - struct cache_accounting { - struct closure cl; - struct timer_list timer; -- atomic_t closing; -+ atomic_unchecked_t closing; - - struct cache_stat_collector collector; - -diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c -index 66669c8..3296d7e 100644 ---- a/drivers/md/bcache/super.c -+++ b/drivers/md/bcache/super.c -@@ -240,8 +240,9 @@ static void __write_super(struct cache_sb *sb, struct bio *bio) - submit_bio(bio); - } - --static void bch_write_bdev_super_unlock(struct closure *cl) -+static void bch_write_bdev_super_unlock(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct cached_dev *dc = container_of(cl, struct cached_dev, sb_write); - - up(&dc->sb_write_mutex); -@@ -274,8 +275,9 @@ static void write_super_endio(struct bio *bio) - closure_put(&ca->set->sb_write); - } - --static void bcache_write_super_unlock(struct closure *cl) -+static void bcache_write_super_unlock(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct cache_set *c = container_of(cl, struct cache_set, sb_write); - - up(&c->sb_write_mutex); -@@ -325,8 +327,9 @@ static void uuid_endio(struct bio *bio) - closure_put(cl); - } - --static void uuid_io_unlock(struct closure *cl) -+static void uuid_io_unlock(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct cache_set *c = container_of(cl, struct cache_set, uuid_write); - - up(&c->uuid_write_mutex); -@@ -531,7 +534,7 @@ void bch_prio_write(struct cache *ca) - - ca->disk_buckets->seq++; - -- atomic_long_add(ca->sb.bucket_size * prio_buckets(ca), -+ atomic_long_add_unchecked(ca->sb.bucket_size * prio_buckets(ca), - &ca->meta_sectors_written); - - //pr_debug("free %zu, free_inc %zu, unused %zu", fifo_used(&ca->free), -@@ -1051,8 +1054,9 @@ void bch_cached_dev_release(struct kobject *kobj) - module_put(THIS_MODULE); - } - --static void cached_dev_free(struct closure *cl) -+static void cached_dev_free(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct cached_dev *dc = container_of(cl, struct cached_dev, disk.cl); - - cancel_delayed_work_sync(&dc->writeback_rate_update); -@@ -1076,8 +1080,9 @@ static void cached_dev_free(struct closure *cl) - kobject_put(&dc->disk.kobj); - } - --static void cached_dev_flush(struct closure *cl) -+static void cached_dev_flush(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct cached_dev *dc = container_of(cl, struct cached_dev, disk.cl); - struct bcache_device *d = &dc->disk; - -@@ -1193,8 +1198,9 @@ void bch_flash_dev_release(struct kobject *kobj) - kfree(d); - } - --static void flash_dev_free(struct closure *cl) -+static void flash_dev_free(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct bcache_device *d = container_of(cl, struct bcache_device, cl); - mutex_lock(&bch_register_lock); - bcache_device_free(d); -@@ -1202,8 +1208,9 @@ static void flash_dev_free(struct closure *cl) - kobject_put(&d->kobj); - } - --static void flash_dev_flush(struct closure *cl) -+static void flash_dev_flush(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct bcache_device *d = container_of(cl, struct bcache_device, cl); - - mutex_lock(&bch_register_lock); -@@ -1322,8 +1329,9 @@ void bch_cache_set_release(struct kobject *kobj) - module_put(THIS_MODULE); - } - --static void cache_set_free(struct closure *cl) -+static void cache_set_free(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct cache_set *c = container_of(cl, struct cache_set, cl); - struct cache *ca; - unsigned i; -@@ -1368,8 +1376,9 @@ static void cache_set_free(struct closure *cl) - kobject_put(&c->kobj); - } - --static void cache_set_flush(struct closure *cl) -+static void cache_set_flush(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct cache_set *c = container_of(cl, struct cache_set, caching); - struct cache *ca; - struct btree *b; -@@ -1410,8 +1419,9 @@ static void cache_set_flush(struct closure *cl) - closure_return(cl); - } - --static void __cache_set_unregister(struct closure *cl) -+static void __cache_set_unregister(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct cache_set *c = container_of(cl, struct cache_set, caching); - struct cached_dev *dc; - size_t i; -diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c -index b3ff57d..b2e30fb 100644 ---- a/drivers/md/bcache/sysfs.c -+++ b/drivers/md/bcache/sysfs.c -@@ -739,15 +739,15 @@ SHOW(__bch_cache) - sysfs_hprint(block_size, block_bytes(ca)); - sysfs_print(nbuckets, ca->sb.nbuckets); - sysfs_print(discard, ca->discard); -- sysfs_hprint(written, atomic_long_read(&ca->sectors_written) << 9); -+ sysfs_hprint(written, atomic_long_read_unchecked(&ca->sectors_written) << 9); - sysfs_hprint(btree_written, -- atomic_long_read(&ca->btree_sectors_written) << 9); -+ atomic_long_read_unchecked(&ca->btree_sectors_written) << 9); - sysfs_hprint(metadata_written, -- (atomic_long_read(&ca->meta_sectors_written) + -- atomic_long_read(&ca->btree_sectors_written)) << 9); -+ (atomic_long_read_unchecked(&ca->meta_sectors_written) + -+ atomic_long_read_unchecked(&ca->btree_sectors_written)) << 9); - - sysfs_print(io_errors, -- atomic_read(&ca->io_errors) >> IO_ERROR_SHIFT); -+ atomic_read_unchecked(&ca->io_errors) >> IO_ERROR_SHIFT); - - if (attr == &sysfs_cache_replacement_policy) - return bch_snprint_string_list(buf, PAGE_SIZE, -@@ -870,11 +870,11 @@ STORE(__bch_cache) - } - - if (attr == &sysfs_clear_stats) { -- atomic_long_set(&ca->sectors_written, 0); -- atomic_long_set(&ca->btree_sectors_written, 0); -- atomic_long_set(&ca->meta_sectors_written, 0); -- atomic_set(&ca->io_count, 0); -- atomic_set(&ca->io_errors, 0); -+ atomic_long_set_unchecked(&ca->sectors_written, 0); -+ atomic_long_set_unchecked(&ca->btree_sectors_written, 0); -+ atomic_long_set_unchecked(&ca->meta_sectors_written, 0); -+ atomic_set_unchecked(&ca->io_count, 0); -+ atomic_set_unchecked(&ca->io_errors, 0); - } - - return size; -diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c -index e51644e..5cc3c15 100644 ---- a/drivers/md/bcache/writeback.c -+++ b/drivers/md/bcache/writeback.c -@@ -117,14 +117,16 @@ static void dirty_init(struct keybuf_key *w) - bch_bio_map(bio, NULL); - } - --static void dirty_io_destructor(struct closure *cl) -+static void dirty_io_destructor(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct dirty_io *io = container_of(cl, struct dirty_io, cl); - kfree(io); - } - --static void write_dirty_finish(struct closure *cl) -+static void write_dirty_finish(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct dirty_io *io = container_of(cl, struct dirty_io, cl); - struct keybuf_key *w = io->bio.bi_private; - struct cached_dev *dc = io->dc; -@@ -173,8 +175,9 @@ static void dirty_endio(struct bio *bio) - closure_put(&io->cl); - } - --static void write_dirty(struct closure *cl) -+static void write_dirty(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct dirty_io *io = container_of(cl, struct dirty_io, cl); - struct keybuf_key *w = io->bio.bi_private; - -@@ -200,8 +203,9 @@ static void read_dirty_endio(struct bio *bio) - dirty_endio(bio); - } - --static void read_dirty_submit(struct closure *cl) -+static void read_dirty_submit(struct work_struct *work) - { -+ struct closure *cl = container_of(work, struct closure, work); - struct dirty_io *io = container_of(cl, struct dirty_io, cl); - - closure_bio_submit(&io->bio, cl); -diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c -index 2d82692..3507386 100644 ---- a/drivers/md/bitmap.c -+++ b/drivers/md/bitmap.c -@@ -1963,7 +1963,7 @@ void bitmap_status(struct seq_file *seq, struct bitmap *bitmap) - chunk_kb ? "KB" : "B"); - if (bitmap->storage.file) { - seq_printf(seq, ", file: "); -- seq_file_path(seq, bitmap->storage.file, " \t\n"); -+ seq_file_path(seq, bitmap->storage.file, " \t\n\\"); - } - - seq_printf(seq, "\n"); -diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c -index c817627..ec8c021 100644 ---- a/drivers/md/dm-cache-target.c -+++ b/drivers/md/dm-cache-target.c -@@ -118,7 +118,7 @@ static void iot_io_end(struct io_tracker *iot, sector_t len) - */ - struct dm_hook_info { - bio_end_io_t *bi_end_io; --}; -+} __no_const; - - static void dm_hook_bio(struct dm_hook_info *h, struct bio *bio, - bio_end_io_t *bi_end_io, void *bi_private) -@@ -182,16 +182,16 @@ struct cache_features { - }; - - struct cache_stats { -- atomic_t read_hit; -- atomic_t read_miss; -- atomic_t write_hit; -- atomic_t write_miss; -- atomic_t demotion; -- atomic_t promotion; -- atomic_t copies_avoided; -- atomic_t cache_cell_clash; -- atomic_t commit_count; -- atomic_t discard_count; -+ atomic_unchecked_t read_hit; -+ atomic_unchecked_t read_miss; -+ atomic_unchecked_t write_hit; -+ atomic_unchecked_t write_miss; -+ atomic_unchecked_t demotion; -+ atomic_unchecked_t promotion; -+ atomic_unchecked_t copies_avoided; -+ atomic_unchecked_t cache_cell_clash; -+ atomic_unchecked_t commit_count; -+ atomic_unchecked_t discard_count; - }; - - /* -@@ -270,8 +270,8 @@ struct cache { - atomic_t nr_io_migrations; - - wait_queue_head_t quiescing_wait; -- atomic_t quiescing; -- atomic_t quiescing_ack; -+ atomic_unchecked_t quiescing; -+ atomic_unchecked_t quiescing_ack; - - /* - * cache_size entries, dirty if set -@@ -395,8 +395,10 @@ static struct dm_bio_prison_cell *alloc_prison_cell(struct cache *cache) - return dm_bio_prison_alloc_cell(cache->prison, GFP_NOWAIT); - } - --static void free_prison_cell(struct cache *cache, struct dm_bio_prison_cell *cell) -+static void free_prison_cell(void *_cache, struct dm_bio_prison_cell *cell) - { -+ struct cache *cache = _cache; -+ - dm_bio_prison_free_cell(cache->prison, cell); - } - -@@ -493,8 +495,10 @@ static struct dm_bio_prison_cell *prealloc_get_cell(struct prealloc *p) - * You can't have more than two cells in a prealloc struct. BUG() will be - * called if you try and overfill. - */ --static void prealloc_put_cell(struct prealloc *p, struct dm_bio_prison_cell *cell) -+static void prealloc_put_cell(void *_p, struct dm_bio_prison_cell *cell) - { -+ struct prealloc *p = _p; -+ - if (!p->cell2) - p->cell2 = cell; - -@@ -637,7 +641,7 @@ static void set_discard(struct cache *cache, dm_dblock_t b) - unsigned long flags; - - BUG_ON(from_dblock(b) >= from_dblock(cache->discard_nr_blocks)); -- atomic_inc(&cache->stats.discard_count); -+ atomic_inc_unchecked(&cache->stats.discard_count); - - spin_lock_irqsave(&cache->lock, flags); - set_bit(from_dblock(b), cache->discard_bitset); -@@ -685,10 +689,10 @@ static void load_stats(struct cache *cache) - struct dm_cache_statistics stats; - - dm_cache_metadata_get_stats(cache->cmd, &stats); -- atomic_set(&cache->stats.read_hit, stats.read_hits); -- atomic_set(&cache->stats.read_miss, stats.read_misses); -- atomic_set(&cache->stats.write_hit, stats.write_hits); -- atomic_set(&cache->stats.write_miss, stats.write_misses); -+ atomic_set_unchecked(&cache->stats.read_hit, stats.read_hits); -+ atomic_set_unchecked(&cache->stats.read_miss, stats.read_misses); -+ atomic_set_unchecked(&cache->stats.write_hit, stats.write_hits); -+ atomic_set_unchecked(&cache->stats.write_miss, stats.write_misses); - } - - static void save_stats(struct cache *cache) -@@ -698,10 +702,10 @@ static void save_stats(struct cache *cache) - if (get_cache_mode(cache) >= CM_READ_ONLY) - return; - -- stats.read_hits = atomic_read(&cache->stats.read_hit); -- stats.read_misses = atomic_read(&cache->stats.read_miss); -- stats.write_hits = atomic_read(&cache->stats.write_hit); -- stats.write_misses = atomic_read(&cache->stats.write_miss); -+ stats.read_hits = atomic_read_unchecked(&cache->stats.read_hit); -+ stats.read_misses = atomic_read_unchecked(&cache->stats.read_miss); -+ stats.write_hits = atomic_read_unchecked(&cache->stats.write_hit); -+ stats.write_misses = atomic_read_unchecked(&cache->stats.write_miss); - - dm_cache_metadata_set_stats(cache->cmd, &stats); - } -@@ -1326,7 +1330,7 @@ static bool bio_writes_complete_block(struct cache *cache, struct bio *bio) - - static void avoid_copy(struct dm_cache_migration *mg) - { -- atomic_inc(&mg->cache->stats.copies_avoided); -+ atomic_inc_unchecked(&mg->cache->stats.copies_avoided); - migration_success_pre_commit(mg); - } - -@@ -1636,7 +1640,7 @@ static void process_discard_bio(struct cache *cache, struct prealloc *structs, - - cell_prealloc = prealloc_get_cell(structs); - r = bio_detain_range(cache, dblock_to_oblock(cache, b), dblock_to_oblock(cache, e), bio, cell_prealloc, -- (cell_free_fn) prealloc_put_cell, -+ prealloc_put_cell, - structs, &new_ocell); - if (r > 0) - return; -@@ -1653,13 +1657,13 @@ static bool spare_migration_bandwidth(struct cache *cache) - - static void inc_hit_counter(struct cache *cache, struct bio *bio) - { -- atomic_inc(bio_data_dir(bio) == READ ? -+ atomic_inc_unchecked(bio_data_dir(bio) == READ ? - &cache->stats.read_hit : &cache->stats.write_hit); - } - - static void inc_miss_counter(struct cache *cache, struct bio *bio) - { -- atomic_inc(bio_data_dir(bio) == READ ? -+ atomic_inc_unchecked(bio_data_dir(bio) == READ ? - &cache->stats.read_miss : &cache->stats.write_miss); - } - -@@ -1790,7 +1794,7 @@ static int cell_locker(struct policy_locker *locker, dm_oblock_t b) - struct dm_bio_prison_cell *cell_prealloc = prealloc_get_cell(l->structs); - - return bio_detain(l->cache, b, NULL, cell_prealloc, -- (cell_free_fn) prealloc_put_cell, -+ prealloc_put_cell, - l->structs, &l->cell); - } - -@@ -1832,7 +1836,7 @@ static void process_cell(struct cache *cache, struct prealloc *structs, - */ - - if (bio_data_dir(bio) == WRITE) { -- atomic_inc(&cache->stats.demotion); -+ atomic_inc_unchecked(&cache->stats.demotion); - invalidate(cache, structs, block, lookup_result.cblock, new_ocell); - release_cell = false; - -@@ -1865,14 +1869,14 @@ static void process_cell(struct cache *cache, struct prealloc *structs, - break; - - case POLICY_NEW: -- atomic_inc(&cache->stats.promotion); -+ atomic_inc_unchecked(&cache->stats.promotion); - promote(cache, structs, block, lookup_result.cblock, new_ocell); - release_cell = false; - break; - - case POLICY_REPLACE: -- atomic_inc(&cache->stats.demotion); -- atomic_inc(&cache->stats.promotion); -+ atomic_inc_unchecked(&cache->stats.demotion); -+ atomic_inc_unchecked(&cache->stats.promotion); - demote_then_promote(cache, structs, lookup_result.old_oblock, - block, lookup_result.cblock, - ool.cell, new_ocell); -@@ -1902,7 +1906,7 @@ static void process_bio(struct cache *cache, struct prealloc *structs, - */ - cell_prealloc = prealloc_get_cell(structs); - r = bio_detain(cache, block, bio, cell_prealloc, -- (cell_free_fn) prealloc_put_cell, -+ prealloc_put_cell, - structs, &new_ocell); - if (r > 0) - return; -@@ -1926,7 +1930,7 @@ static int commit(struct cache *cache, bool clean_shutdown) - if (get_cache_mode(cache) >= CM_READ_ONLY) - return -EINVAL; - -- atomic_inc(&cache->stats.commit_count); -+ atomic_inc_unchecked(&cache->stats.commit_count); - r = dm_cache_commit(cache->cmd, clean_shutdown); - if (r) - metadata_operation_failed(cache, "dm_cache_commit", r); -@@ -2157,32 +2161,32 @@ static void process_invalidation_requests(struct cache *cache) - *--------------------------------------------------------------*/ - static bool is_quiescing(struct cache *cache) - { -- return atomic_read(&cache->quiescing); -+ return atomic_read_unchecked(&cache->quiescing); - } - - static void ack_quiescing(struct cache *cache) - { - if (is_quiescing(cache)) { -- atomic_inc(&cache->quiescing_ack); -+ atomic_inc_unchecked(&cache->quiescing_ack); - wake_up(&cache->quiescing_wait); - } - } - - static void wait_for_quiescing_ack(struct cache *cache) - { -- wait_event(cache->quiescing_wait, atomic_read(&cache->quiescing_ack)); -+ wait_event(cache->quiescing_wait, atomic_read_unchecked(&cache->quiescing_ack)); - } - - static void start_quiescing(struct cache *cache) - { -- atomic_inc(&cache->quiescing); -+ atomic_inc_unchecked(&cache->quiescing); - wait_for_quiescing_ack(cache); - } - - static void stop_quiescing(struct cache *cache) - { -- atomic_set(&cache->quiescing, 0); -- atomic_set(&cache->quiescing_ack, 0); -+ atomic_set_unchecked(&cache->quiescing, 0); -+ atomic_set_unchecked(&cache->quiescing_ack, 0); - } - - static void wait_for_migrations(struct cache *cache) -@@ -2869,8 +2873,8 @@ static int cache_create(struct cache_args *ca, struct cache **result) - init_waitqueue_head(&cache->migration_wait); - - init_waitqueue_head(&cache->quiescing_wait); -- atomic_set(&cache->quiescing, 0); -- atomic_set(&cache->quiescing_ack, 0); -+ atomic_set_unchecked(&cache->quiescing, 0); -+ atomic_set_unchecked(&cache->quiescing_ack, 0); - - r = -ENOMEM; - atomic_set(&cache->nr_dirty, 0); -@@ -2937,12 +2941,12 @@ static int cache_create(struct cache_args *ca, struct cache **result) - - load_stats(cache); - -- atomic_set(&cache->stats.demotion, 0); -- atomic_set(&cache->stats.promotion, 0); -- atomic_set(&cache->stats.copies_avoided, 0); -- atomic_set(&cache->stats.cache_cell_clash, 0); -- atomic_set(&cache->stats.commit_count, 0); -- atomic_set(&cache->stats.discard_count, 0); -+ atomic_set_unchecked(&cache->stats.demotion, 0); -+ atomic_set_unchecked(&cache->stats.promotion, 0); -+ atomic_set_unchecked(&cache->stats.copies_avoided, 0); -+ atomic_set_unchecked(&cache->stats.cache_cell_clash, 0); -+ atomic_set_unchecked(&cache->stats.commit_count, 0); -+ atomic_set_unchecked(&cache->stats.discard_count, 0); - - spin_lock_init(&cache->invalidation_lock); - INIT_LIST_HEAD(&cache->invalidation_requests); -@@ -3059,7 +3063,7 @@ static int cache_map(struct dm_target *ti, struct bio *bio) - } - - r = bio_detain(cache, block, bio, cell, -- (cell_free_fn) free_prison_cell, -+ free_prison_cell, - cache, &cell); - if (r) { - if (r < 0) -@@ -3553,12 +3557,12 @@ static void cache_status(struct dm_target *ti, status_type_t type, - (unsigned long long)cache->sectors_per_block, - (unsigned long long) from_cblock(residency), - (unsigned long long) from_cblock(cache->cache_size), -- (unsigned) atomic_read(&cache->stats.read_hit), -- (unsigned) atomic_read(&cache->stats.read_miss), -- (unsigned) atomic_read(&cache->stats.write_hit), -- (unsigned) atomic_read(&cache->stats.write_miss), -- (unsigned) atomic_read(&cache->stats.demotion), -- (unsigned) atomic_read(&cache->stats.promotion), -+ (unsigned) atomic_read_unchecked(&cache->stats.read_hit), -+ (unsigned) atomic_read_unchecked(&cache->stats.read_miss), -+ (unsigned) atomic_read_unchecked(&cache->stats.write_hit), -+ (unsigned) atomic_read_unchecked(&cache->stats.write_miss), -+ (unsigned) atomic_read_unchecked(&cache->stats.demotion), -+ (unsigned) atomic_read_unchecked(&cache->stats.promotion), - (unsigned long) atomic_read(&cache->nr_dirty)); - - if (writethrough_mode(&cache->features)) -diff --git a/drivers/md/dm-core.h b/drivers/md/dm-core.h -index 40ceba1..4141e1e 100644 ---- a/drivers/md/dm-core.h -+++ b/drivers/md/dm-core.h -@@ -75,8 +75,8 @@ struct mapped_device { - * Event handling. - */ - wait_queue_head_t eventq; -- atomic_t event_nr; -- atomic_t uevent_seq; -+ atomic_unchecked_t event_nr; -+ atomic_unchecked_t uevent_seq; - struct list_head uevent_list; - spinlock_t uevent_lock; /* Protect access to uevent_list */ - -diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c -index 966eb4b..aca05a3 100644 ---- a/drivers/md/dm-ioctl.c -+++ b/drivers/md/dm-ioctl.c -@@ -1777,7 +1777,7 @@ static int validate_params(uint cmd, struct dm_ioctl *param) - cmd == DM_LIST_VERSIONS_CMD) - return 0; - -- if ((cmd == DM_DEV_CREATE_CMD)) { -+ if (cmd == DM_DEV_CREATE_CMD) { - if (!*param->name) { - DMWARN("name not supplied when creating device"); - return -EINVAL; -diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c -index e477af8..a5b1fce 100644 ---- a/drivers/md/dm-mpath.c -+++ b/drivers/md/dm-mpath.c -@@ -88,7 +88,7 @@ struct multipath { - - atomic_t nr_valid_paths; /* Total number of usable paths */ - atomic_t pg_init_in_progress; /* Only one pg_init allowed at once */ -- atomic_t pg_init_count; /* Number of times pg_init called */ -+ atomic_unchecked_t pg_init_count;/* Number of times pg_init called */ - - unsigned queue_mode; - -@@ -203,7 +203,7 @@ static struct multipath *alloc_multipath(struct dm_target *ti) - set_bit(MPATHF_QUEUE_IO, &m->flags); - atomic_set(&m->nr_valid_paths, 0); - atomic_set(&m->pg_init_in_progress, 0); -- atomic_set(&m->pg_init_count, 0); -+ atomic_set_unchecked(&m->pg_init_count, 0); - m->pg_init_delay_msecs = DM_PG_INIT_DELAY_DEFAULT; - INIT_WORK(&m->trigger_event, trigger_event); - init_waitqueue_head(&m->pg_init_wait); -@@ -351,7 +351,7 @@ static int __pg_init_all_paths(struct multipath *m) - if (atomic_read(&m->pg_init_in_progress) || test_bit(MPATHF_PG_INIT_DISABLED, &m->flags)) - return 0; - -- atomic_inc(&m->pg_init_count); -+ atomic_inc_unchecked(&m->pg_init_count); - clear_bit(MPATHF_PG_INIT_REQUIRED, &m->flags); - - /* Check here to reset pg_init_required */ -@@ -397,7 +397,7 @@ static void __switch_pg(struct multipath *m, struct priority_group *pg) - clear_bit(MPATHF_QUEUE_IO, &m->flags); - } - -- atomic_set(&m->pg_init_count, 0); -+ atomic_set_unchecked(&m->pg_init_count, 0); - } - - static struct pgpath *choose_path_in_pg(struct multipath *m, -@@ -1418,7 +1418,7 @@ static bool pg_init_limit_reached(struct multipath *m, struct pgpath *pgpath) - - spin_lock_irqsave(&m->lock, flags); - -- if (atomic_read(&m->pg_init_count) <= m->pg_init_retries && -+ if (atomic_read_unchecked(&m->pg_init_count) <= m->pg_init_retries && - !test_bit(MPATHF_PG_INIT_DISABLED, &m->flags)) - set_bit(MPATHF_PG_INIT_REQUIRED, &m->flags); - else -@@ -1736,7 +1736,7 @@ static void multipath_status(struct dm_target *ti, status_type_t type, - /* Features */ - if (type == STATUSTYPE_INFO) - DMEMIT("2 %u %u ", test_bit(MPATHF_QUEUE_IO, &m->flags), -- atomic_read(&m->pg_init_count)); -+ atomic_read_unchecked(&m->pg_init_count)); - else { - DMEMIT("%u ", test_bit(MPATHF_QUEUE_IF_NO_PATH, &m->flags) + - (m->pg_init_retries > 0) * 2 + -diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c -index ee75e35..7e87ea2 100644 ---- a/drivers/md/dm-raid.c -+++ b/drivers/md/dm-raid.c -@@ -3196,7 +3196,7 @@ static void raid_status(struct dm_target *ti, status_type_t type, - mddev->resync_max_sectors : mddev->dev_sectors; - progress = rs_get_progress(rs, resync_max_sectors, &array_in_sync); - resync_mismatches = (mddev->last_sync_action && !strcasecmp(mddev->last_sync_action, "check")) ? -- atomic64_read(&mddev->resync_mismatches) : 0; -+ atomic64_read_unchecked(&mddev->resync_mismatches) : 0; - sync_action = decipher_sync_action(&rs->md); - - /* HM FIXME: do we want another state char for raid0? It shows 'D' or 'A' now */ -diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c -index 9a8b710..ae1bf13 100644 ---- a/drivers/md/dm-raid1.c -+++ b/drivers/md/dm-raid1.c -@@ -42,7 +42,7 @@ enum dm_raid1_error { - - struct mirror { - struct mirror_set *ms; -- atomic_t error_count; -+ atomic_unchecked_t error_count; - unsigned long error_type; - struct dm_dev *dev; - sector_t offset; -@@ -187,7 +187,7 @@ static struct mirror *get_valid_mirror(struct mirror_set *ms) - struct mirror *m; - - for (m = ms->mirror; m < ms->mirror + ms->nr_mirrors; m++) -- if (!atomic_read(&m->error_count)) -+ if (!atomic_read_unchecked(&m->error_count)) - return m; - - return NULL; -@@ -219,7 +219,7 @@ static void fail_mirror(struct mirror *m, enum dm_raid1_error error_type) - * simple way to tell if a device has encountered - * errors. - */ -- atomic_inc(&m->error_count); -+ atomic_inc_unchecked(&m->error_count); - - if (test_and_set_bit(error_type, &m->error_type)) - return; -@@ -378,7 +378,7 @@ static void reset_ms_flags(struct mirror_set *ms) - - ms->leg_failure = 0; - for (m = 0; m < ms->nr_mirrors; m++) { -- atomic_set(&(ms->mirror[m].error_count), 0); -+ atomic_set_unchecked(&(ms->mirror[m].error_count), 0); - ms->mirror[m].error_type = 0; - } - } -@@ -423,7 +423,7 @@ static struct mirror *choose_mirror(struct mirror_set *ms, sector_t sector) - struct mirror *m = get_default_mirror(ms); - - do { -- if (likely(!atomic_read(&m->error_count))) -+ if (likely(!atomic_read_unchecked(&m->error_count))) - return m; - - if (m-- == ms->mirror) -@@ -437,7 +437,7 @@ static int default_ok(struct mirror *m) - { - struct mirror *default_mirror = get_default_mirror(m->ms); - -- return !atomic_read(&default_mirror->error_count); -+ return !atomic_read_unchecked(&default_mirror->error_count); - } - - static int mirror_available(struct mirror_set *ms, struct bio *bio) -@@ -577,7 +577,7 @@ static void do_reads(struct mirror_set *ms, struct bio_list *reads) - */ - if (likely(region_in_sync(ms, region, 1))) - m = choose_mirror(ms, bio->bi_iter.bi_sector); -- else if (m && atomic_read(&m->error_count)) -+ else if (m && atomic_read_unchecked(&m->error_count)) - m = NULL; - - if (likely(m)) -@@ -962,7 +962,7 @@ static int get_mirror(struct mirror_set *ms, struct dm_target *ti, - } - - ms->mirror[mirror].ms = ms; -- atomic_set(&(ms->mirror[mirror].error_count), 0); -+ atomic_set_unchecked(&(ms->mirror[mirror].error_count), 0); - ms->mirror[mirror].error_type = 0; - ms->mirror[mirror].offset = offset; - -@@ -1372,7 +1372,7 @@ static void mirror_resume(struct dm_target *ti) - */ - static char device_status_char(struct mirror *m) - { -- if (!atomic_read(&(m->error_count))) -+ if (!atomic_read_unchecked(&(m->error_count))) - return 'A'; - - return (test_bit(DM_RAID1_FLUSH_ERROR, &(m->error_type))) ? 'F' : -diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c -index 0250e7e..ac07762 100644 ---- a/drivers/md/dm-stats.c -+++ b/drivers/md/dm-stats.c -@@ -436,7 +436,7 @@ static int dm_stats_delete(struct dm_stats *stats, int id) - synchronize_rcu_expedited(); - dm_stat_free(&s->rcu_head); - } else { -- ACCESS_ONCE(dm_stat_need_rcu_barrier) = 1; -+ ACCESS_ONCE_RW(dm_stat_need_rcu_barrier) = 1; - call_rcu(&s->rcu_head, dm_stat_free); - } - return 0; -@@ -648,8 +648,8 @@ void dm_stats_account_io(struct dm_stats *stats, unsigned long bi_rw, - ((bi_rw == WRITE) == - (ACCESS_ONCE(last->last_rw) == WRITE)) - )); -- ACCESS_ONCE(last->last_sector) = end_sector; -- ACCESS_ONCE(last->last_rw) = bi_rw; -+ ACCESS_ONCE_RW(last->last_sector) = end_sector; -+ ACCESS_ONCE_RW(last->last_rw) = bi_rw; - } - - rcu_read_lock(); -diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c -index 28193a5..0543cc9 100644 ---- a/drivers/md/dm-stripe.c -+++ b/drivers/md/dm-stripe.c -@@ -21,7 +21,7 @@ struct stripe { - struct dm_dev *dev; - sector_t physical_start; - -- atomic_t error_count; -+ atomic_unchecked_t error_count; - }; - - struct stripe_c { -@@ -190,7 +190,7 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv) - kfree(sc); - return r; - } -- atomic_set(&(sc->stripe[i].error_count), 0); -+ atomic_set_unchecked(&(sc->stripe[i].error_count), 0); - } - - ti->private = sc; -@@ -357,7 +357,7 @@ static void stripe_status(struct dm_target *ti, status_type_t type, - DMEMIT("%d ", sc->stripes); - for (i = 0; i < sc->stripes; i++) { - DMEMIT("%s ", sc->stripe[i].dev->name); -- buffer[i] = atomic_read(&(sc->stripe[i].error_count)) ? -+ buffer[i] = atomic_read_unchecked(&(sc->stripe[i].error_count)) ? - 'D' : 'A'; - } - buffer[i] = '\0'; -@@ -402,8 +402,8 @@ static int stripe_end_io(struct dm_target *ti, struct bio *bio, int error) - */ - for (i = 0; i < sc->stripes; i++) - if (!strcmp(sc->stripe[i].dev->name, major_minor)) { -- atomic_inc(&(sc->stripe[i].error_count)); -- if (atomic_read(&(sc->stripe[i].error_count)) < -+ atomic_inc_unchecked(&(sc->stripe[i].error_count)); -+ if (atomic_read_unchecked(&(sc->stripe[i].error_count)) < - DM_IO_ERROR_THRESHOLD) - schedule_work(&sc->trigger_event); - } -diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c -index 5ac239d..d91268c 100644 ---- a/drivers/md/dm-table.c -+++ b/drivers/md/dm-table.c -@@ -308,7 +308,7 @@ static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev, - if (!dev_size) - return 0; - -- if ((start >= dev_size) || (start + len > dev_size)) { -+ if ((start >= dev_size) || (len > dev_size - start)) { - DMWARN("%s: %s too small for target: " - "start=%llu, len=%llu, dev_size=%llu", - dm_device_name(ti->table->md), bdevname(bdev, b), -diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c -index a15091a..2d20208 100644 ---- a/drivers/md/dm-thin-metadata.c -+++ b/drivers/md/dm-thin-metadata.c -@@ -405,7 +405,7 @@ static void __setup_btree_details(struct dm_pool_metadata *pmd) - { - pmd->info.tm = pmd->tm; - pmd->info.levels = 2; -- pmd->info.value_type.context = pmd->data_sm; -+ pmd->info.value_type.context = (dm_space_map_no_const *)pmd->data_sm; - pmd->info.value_type.size = sizeof(__le64); - pmd->info.value_type.inc = data_block_inc; - pmd->info.value_type.dec = data_block_dec; -@@ -424,7 +424,7 @@ static void __setup_btree_details(struct dm_pool_metadata *pmd) - - pmd->bl_info.tm = pmd->tm; - pmd->bl_info.levels = 1; -- pmd->bl_info.value_type.context = pmd->data_sm; -+ pmd->bl_info.value_type.context = (dm_space_map_no_const *)pmd->data_sm; - pmd->bl_info.value_type.size = sizeof(__le64); - pmd->bl_info.value_type.inc = data_block_inc; - pmd->bl_info.value_type.dec = data_block_dec; -diff --git a/drivers/md/dm.c b/drivers/md/dm.c -index e66f404..b4ad377 100644 ---- a/drivers/md/dm.c -+++ b/drivers/md/dm.c -@@ -569,14 +569,16 @@ static void queue_io(struct mapped_device *md, struct bio *bio) - * function to access the md->map field, and make sure they call - * dm_put_live_table() when finished. - */ --struct dm_table *dm_get_live_table(struct mapped_device *md, int *srcu_idx) __acquires(md->io_barrier) -+struct dm_table *dm_get_live_table(struct mapped_device *md, int *srcu_idx) __acquires(&md->io_barrier); -+struct dm_table *dm_get_live_table(struct mapped_device *md, int *srcu_idx) - { - *srcu_idx = srcu_read_lock(&md->io_barrier); - - return srcu_dereference(md->map, &md->io_barrier); - } - --void dm_put_live_table(struct mapped_device *md, int srcu_idx) __releases(md->io_barrier) -+void dm_put_live_table(struct mapped_device *md, int srcu_idx) __releases(&md->io_barrier); -+void dm_put_live_table(struct mapped_device *md, int srcu_idx) - { - srcu_read_unlock(&md->io_barrier, srcu_idx); - } -@@ -591,13 +593,15 @@ void dm_sync_table(struct mapped_device *md) - * A fast alternative to dm_get_live_table/dm_put_live_table. - * The caller must not block between these two functions. - */ --static struct dm_table *dm_get_live_table_fast(struct mapped_device *md) __acquires(RCU) -+static struct dm_table *dm_get_live_table_fast(struct mapped_device *md) __acquires(RCU); -+static struct dm_table *dm_get_live_table_fast(struct mapped_device *md) - { - rcu_read_lock(); - return rcu_dereference(md->map); - } - --static void dm_put_live_table_fast(struct mapped_device *md) __releases(RCU) -+static void dm_put_live_table_fast(struct mapped_device *md) __releases(RCU); -+static void dm_put_live_table_fast(struct mapped_device *md) - { - rcu_read_unlock(); - } -@@ -1542,8 +1546,8 @@ static struct mapped_device *alloc_dev(int minor) - spin_lock_init(&md->deferred_lock); - atomic_set(&md->holders, 1); - atomic_set(&md->open_count, 0); -- atomic_set(&md->event_nr, 0); -- atomic_set(&md->uevent_seq, 0); -+ atomic_set_unchecked(&md->event_nr, 0); -+ atomic_set_unchecked(&md->uevent_seq, 0); - INIT_LIST_HEAD(&md->uevent_list); - INIT_LIST_HEAD(&md->table_devices); - spin_lock_init(&md->uevent_lock); -@@ -1682,7 +1686,7 @@ static void event_callback(void *context) - - dm_send_uevents(&uevents, &disk_to_dev(md->disk)->kobj); - -- atomic_inc(&md->event_nr); -+ atomic_inc_unchecked(&md->event_nr); - wake_up(&md->eventq); - } - -@@ -2470,18 +2474,18 @@ int dm_kobject_uevent(struct mapped_device *md, enum kobject_action action, - - uint32_t dm_next_uevent_seq(struct mapped_device *md) - { -- return atomic_add_return(1, &md->uevent_seq); -+ return atomic_add_return_unchecked(1, &md->uevent_seq); - } - - uint32_t dm_get_event_nr(struct mapped_device *md) - { -- return atomic_read(&md->event_nr); -+ return atomic_read_unchecked(&md->event_nr); - } - - int dm_wait_event(struct mapped_device *md, int event_nr) - { - return wait_event_interruptible(md->eventq, -- (event_nr != atomic_read(&md->event_nr))); -+ (event_nr != atomic_read_unchecked(&md->event_nr))); - } - - void dm_uevent_add(struct mapped_device *md, struct list_head *elist) -diff --git a/drivers/md/md.c b/drivers/md/md.c -index 24925f2..1ae5ca4 100644 ---- a/drivers/md/md.c -+++ b/drivers/md/md.c -@@ -198,10 +198,10 @@ EXPORT_SYMBOL_GPL(bio_clone_mddev); - * start build, activate spare - */ - static DECLARE_WAIT_QUEUE_HEAD(md_event_waiters); --static atomic_t md_event_count; -+static atomic_unchecked_t md_event_count; - void md_new_event(struct mddev *mddev) - { -- atomic_inc(&md_event_count); -+ atomic_inc_unchecked(&md_event_count); - wake_up(&md_event_waiters); - } - EXPORT_SYMBOL_GPL(md_new_event); -@@ -1434,7 +1434,7 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_ - if ((le32_to_cpu(sb->feature_map) & MD_FEATURE_RESHAPE_ACTIVE) && - (le32_to_cpu(sb->feature_map) & MD_FEATURE_NEW_OFFSET)) - rdev->new_data_offset += (s32)le32_to_cpu(sb->new_offset); -- atomic_set(&rdev->corrected_errors, le32_to_cpu(sb->cnt_corrected_read)); -+ atomic_set_unchecked(&rdev->corrected_errors, le32_to_cpu(sb->cnt_corrected_read)); - - rdev->sb_size = le32_to_cpu(sb->max_dev) * 2 + 256; - bmask = queue_logical_block_size(rdev->bdev->bd_disk->queue)-1; -@@ -1700,7 +1700,7 @@ static void super_1_sync(struct mddev *mddev, struct md_rdev *rdev) - else - sb->resync_offset = cpu_to_le64(0); - -- sb->cnt_corrected_read = cpu_to_le32(atomic_read(&rdev->corrected_errors)); -+ sb->cnt_corrected_read = cpu_to_le32(atomic_read_unchecked(&rdev->corrected_errors)); - - sb->raid_disks = cpu_to_le32(mddev->raid_disks); - sb->size = cpu_to_le64(mddev->dev_sectors); -@@ -2719,7 +2719,7 @@ __ATTR_PREALLOC(state, S_IRUGO|S_IWUSR, state_show, state_store); - static ssize_t - errors_show(struct md_rdev *rdev, char *page) - { -- return sprintf(page, "%d\n", atomic_read(&rdev->corrected_errors)); -+ return sprintf(page, "%d\n", atomic_read_unchecked(&rdev->corrected_errors)); - } - - static ssize_t -@@ -2731,7 +2731,7 @@ errors_store(struct md_rdev *rdev, const char *buf, size_t len) - rv = kstrtouint(buf, 10, &n); - if (rv < 0) - return rv; -- atomic_set(&rdev->corrected_errors, n); -+ atomic_set_unchecked(&rdev->corrected_errors, n); - return len; - } - static struct rdev_sysfs_entry rdev_errors = -@@ -3180,8 +3180,8 @@ int md_rdev_init(struct md_rdev *rdev) - rdev->sb_loaded = 0; - rdev->bb_page = NULL; - atomic_set(&rdev->nr_pending, 0); -- atomic_set(&rdev->read_errors, 0); -- atomic_set(&rdev->corrected_errors, 0); -+ atomic_set_unchecked(&rdev->read_errors, 0); -+ atomic_set_unchecked(&rdev->corrected_errors, 0); - - INIT_LIST_HEAD(&rdev->same_set); - init_waitqueue_head(&rdev->blocked_wait); -@@ -4403,7 +4403,7 @@ mismatch_cnt_show(struct mddev *mddev, char *page) - { - return sprintf(page, "%llu\n", - (unsigned long long) -- atomic64_read(&mddev->resync_mismatches)); -+ atomic64_read_unchecked(&mddev->resync_mismatches)); - } - - static struct md_sysfs_entry md_mismatches = __ATTR_RO(mismatch_cnt); -@@ -5095,7 +5095,7 @@ static struct kobject *md_probe(dev_t dev, int *part, void *data) - return NULL; - } - --static int add_named_array(const char *val, struct kernel_param *kp) -+static int add_named_array(const char *val, const struct kernel_param *kp) - { - /* val must be "md_*" where * is not all digits. - * We allocate an array with a large free minor number, and -@@ -5460,7 +5460,7 @@ static void md_clean(struct mddev *mddev) - mddev->new_layout = 0; - mddev->new_chunk_sectors = 0; - mddev->curr_resync = 0; -- atomic64_set(&mddev->resync_mismatches, 0); -+ atomic64_set_unchecked(&mddev->resync_mismatches, 0); - mddev->suspend_lo = mddev->suspend_hi = 0; - mddev->sync_speed_min = mddev->sync_speed_max = 0; - mddev->recovery = 0; -@@ -5877,9 +5877,10 @@ static int get_array_info(struct mddev *mddev, void __user *arg) - info.patch_version = MD_PATCHLEVEL_VERSION; - info.ctime = clamp_t(time64_t, mddev->ctime, 0, U32_MAX); - info.level = mddev->level; -- info.size = mddev->dev_sectors / 2; -- if (info.size != mddev->dev_sectors / 2) /* overflow */ -+ if (2 * (sector_t)INT_MAX < mddev->dev_sectors) /* overflow */ - info.size = -1; -+ else -+ info.size = mddev->dev_sectors / 2; - info.nr_disks = nr; - info.raid_disks = mddev->raid_disks; - info.md_minor = mddev->md_minor; -@@ -7458,7 +7459,7 @@ static int md_seq_show(struct seq_file *seq, void *v) - - spin_unlock(&pers_lock); - seq_printf(seq, "\n"); -- seq->poll_event = atomic_read(&md_event_count); -+ seq->poll_event = atomic_read_unchecked(&md_event_count); - return 0; - } - if (v == (void*)2) { -@@ -7558,7 +7559,7 @@ static int md_seq_open(struct inode *inode, struct file *file) - return error; - - seq = file->private_data; -- seq->poll_event = atomic_read(&md_event_count); -+ seq->poll_event = atomic_read_unchecked(&md_event_count); - return error; - } - -@@ -7575,7 +7576,7 @@ static unsigned int mdstat_poll(struct file *filp, poll_table *wait) - /* always allow read */ - mask = POLLIN | POLLRDNORM; - -- if (seq->poll_event != atomic_read(&md_event_count)) -+ if (seq->poll_event != atomic_read_unchecked(&md_event_count)) - mask |= POLLERR | POLLPRI; - return mask; - } -@@ -7671,7 +7672,7 @@ static int is_mddev_idle(struct mddev *mddev, int init) - struct gendisk *disk = rdev->bdev->bd_contains->bd_disk; - curr_events = (int)part_stat_read(&disk->part0, sectors[0]) + - (int)part_stat_read(&disk->part0, sectors[1]) - -- atomic_read(&disk->sync_io); -+ atomic_read_unchecked(&disk->sync_io); - /* sync IO will cause sync_io to increase before the disk_stats - * as sync_io is counted when a request starts, and - * disk_stats is counted when it completes. -@@ -7941,7 +7942,7 @@ void md_do_sync(struct md_thread *thread) - * which defaults to physical size, but can be virtual size - */ - max_sectors = mddev->resync_max_sectors; -- atomic64_set(&mddev->resync_mismatches, 0); -+ atomic64_set_unchecked(&mddev->resync_mismatches, 0); - /* we don't use the checkpoint if there's a bitmap */ - if (test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery)) - j = mddev->resync_min; -@@ -8960,11 +8961,11 @@ static __exit void md_exit(void) - subsys_initcall(md_init); - module_exit(md_exit) - --static int get_ro(char *buffer, struct kernel_param *kp) -+static int get_ro(char *buffer, const struct kernel_param *kp) - { - return sprintf(buffer, "%d", start_readonly); - } --static int set_ro(const char *val, struct kernel_param *kp) -+static int set_ro(const char *val, const struct kernel_param *kp) - { - return kstrtouint(val, 10, (unsigned int *)&start_readonly); - } -diff --git a/drivers/md/md.h b/drivers/md/md.h -index 2b20417..5369974 100644 ---- a/drivers/md/md.h -+++ b/drivers/md/md.h -@@ -96,13 +96,13 @@ struct md_rdev { - * only maintained for arrays that - * support hot removal - */ -- atomic_t read_errors; /* number of consecutive read errors that -+ atomic_unchecked_t read_errors; /* number of consecutive read errors that - * we have tried to ignore. - */ - time64_t last_read_error; /* monotonic time since our - * last read error - */ -- atomic_t corrected_errors; /* number of corrected read errors, -+ atomic_unchecked_t corrected_errors; /* number of corrected read errors, - * for reporting to userspace and storing - * in superblock. - */ -@@ -289,7 +289,7 @@ struct mddev { - - sector_t resync_max_sectors; /* may be set by personality */ - -- atomic64_t resync_mismatches; /* count of sectors where -+ atomic64_unchecked_t resync_mismatches; /* count of sectors where - * parity/replica mismatch found - */ - -@@ -468,7 +468,7 @@ extern void mddev_unlock(struct mddev *mddev); - - static inline void md_sync_acct(struct block_device *bdev, unsigned long nr_sectors) - { -- atomic_add(nr_sectors, &bdev->bd_contains->bd_disk->sync_io); -+ atomic_add_unchecked(nr_sectors, &bdev->bd_contains->bd_disk->sync_io); - } - - struct md_personality -diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c -index 20557e2..c5fa1ef 100644 ---- a/drivers/md/persistent-data/dm-space-map-metadata.c -+++ b/drivers/md/persistent-data/dm-space-map-metadata.c -@@ -700,7 +700,7 @@ static int sm_metadata_extend(struct dm_space_map *sm, dm_block_t extra_blocks) - * Flick into a mode where all blocks get allocated in the new area. - */ - smm->begin = old_len; -- memcpy(sm, &bootstrap_ops, sizeof(*sm)); -+ memcpy((void *)sm, &bootstrap_ops, sizeof(*sm)); - - /* - * Extend. -@@ -738,7 +738,7 @@ static int sm_metadata_extend(struct dm_space_map *sm, dm_block_t extra_blocks) - /* - * Switch back to normal behaviour. - */ -- memcpy(sm, &ops, sizeof(*sm)); -+ memcpy((void *)sm, &ops, sizeof(*sm)); - return r; - } - -diff --git a/drivers/md/persistent-data/dm-space-map.h b/drivers/md/persistent-data/dm-space-map.h -index 3e6d115..ffecdeb 100644 ---- a/drivers/md/persistent-data/dm-space-map.h -+++ b/drivers/md/persistent-data/dm-space-map.h -@@ -71,6 +71,7 @@ struct dm_space_map { - dm_sm_threshold_fn fn, - void *context); - }; -+typedef struct dm_space_map __no_const dm_space_map_no_const; - - /*----------------------------------------------------------------*/ - -diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c -index 29e2df5..c367325 100644 ---- a/drivers/md/raid1.c -+++ b/drivers/md/raid1.c -@@ -1049,7 +1049,7 @@ static void raid1_make_request(struct mddev *mddev, struct bio * bio) - struct blk_plug_cb *cb; - struct raid1_plug_cb *plug = NULL; - int first_clone; -- int sectors_handled; -+ sector_t sectors_handled; - int max_sectors; - sector_t start_next_window; - -@@ -1879,7 +1879,7 @@ static int fix_sync_read_error(struct r1bio *r1_bio) - if (r1_sync_page_io(rdev, sect, s, - bio->bi_io_vec[idx].bv_page, - READ) != 0) -- atomic_add(s, &rdev->corrected_errors); -+ atomic_add_unchecked(s, &rdev->corrected_errors); - } - sectors -= s; - sect += s; -@@ -1970,7 +1970,7 @@ static void process_checks(struct r1bio *r1_bio) - } else - j = 0; - if (j >= 0) -- atomic64_add(r1_bio->sectors, &mddev->resync_mismatches); -+ atomic64_add_unchecked(r1_bio->sectors, &mddev->resync_mismatches); - if (j < 0 || (test_bit(MD_RECOVERY_CHECK, &mddev->recovery) - && !error)) { - /* No need to write to this device. */ -@@ -2121,7 +2121,7 @@ static void fix_read_error(struct r1conf *conf, int read_disk, - rcu_read_unlock(); - if (r1_sync_page_io(rdev, sect, s, - conf->tmppage, READ)) { -- atomic_add(s, &rdev->corrected_errors); -+ atomic_add_unchecked(s, &rdev->corrected_errors); - printk(KERN_INFO - "md/raid1:%s: read error corrected " - "(%d sectors at %llu on %s)\n", -diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c -index 4c4aab0..a552681 100644 ---- a/drivers/md/raid10.c -+++ b/drivers/md/raid10.c -@@ -1064,7 +1064,7 @@ static void __make_request(struct mddev *mddev, struct bio *bio) - struct md_rdev *blocked_rdev; - struct blk_plug_cb *cb; - struct raid10_plug_cb *plug = NULL; -- int sectors_handled; -+ sector_t sectors_handled; - int max_sectors; - int sectors; - -@@ -1442,7 +1442,7 @@ static void raid10_make_request(struct mddev *mddev, struct bio *bio) - { - struct r10conf *conf = mddev->private; - sector_t chunk_mask = (conf->geo.chunk_mask & conf->prev.chunk_mask); -- int chunk_sects = chunk_mask + 1; -+ sector_t chunk_sects = chunk_mask + 1; - - struct bio *split; - -@@ -1848,7 +1848,7 @@ static void end_sync_read(struct bio *bio) - /* The write handler will notice the lack of - * R10BIO_Uptodate and record any errors etc - */ -- atomic_add(r10_bio->sectors, -+ atomic_add_unchecked(r10_bio->sectors, - &conf->mirrors[d].rdev->corrected_errors); - - /* for reconstruct, we always reschedule after a read. -@@ -1997,7 +1997,7 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio) - } - if (j == vcnt) - continue; -- atomic64_add(r10_bio->sectors, &mddev->resync_mismatches); -+ atomic64_add_unchecked(r10_bio->sectors, &mddev->resync_mismatches); - if (test_bit(MD_RECOVERY_CHECK, &mddev->recovery)) - /* Don't fix anything. */ - continue; -@@ -2196,7 +2196,7 @@ static void check_decay_read_errors(struct mddev *mddev, struct md_rdev *rdev) - { - long cur_time_mon; - unsigned long hours_since_last; -- unsigned int read_errors = atomic_read(&rdev->read_errors); -+ unsigned int read_errors = atomic_read_unchecked(&rdev->read_errors); - - cur_time_mon = ktime_get_seconds(); - -@@ -2217,9 +2217,9 @@ static void check_decay_read_errors(struct mddev *mddev, struct md_rdev *rdev) - * overflowing the shift of read_errors by hours_since_last. - */ - if (hours_since_last >= 8 * sizeof(read_errors)) -- atomic_set(&rdev->read_errors, 0); -+ atomic_set_unchecked(&rdev->read_errors, 0); - else -- atomic_set(&rdev->read_errors, read_errors >> hours_since_last); -+ atomic_set_unchecked(&rdev->read_errors, read_errors >> hours_since_last); - } - - static int r10_sync_page_io(struct md_rdev *rdev, sector_t sector, -@@ -2273,8 +2273,8 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10 - return; - - check_decay_read_errors(mddev, rdev); -- atomic_inc(&rdev->read_errors); -- if (atomic_read(&rdev->read_errors) > max_read_errors) { -+ atomic_inc_unchecked(&rdev->read_errors); -+ if (atomic_read_unchecked(&rdev->read_errors) > max_read_errors) { - char b[BDEVNAME_SIZE]; - bdevname(rdev->bdev, b); - -@@ -2282,7 +2282,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10 - "md/raid10:%s: %s: Raid device exceeded " - "read_error threshold [cur %d:max %d]\n", - mdname(mddev), b, -- atomic_read(&rdev->read_errors), max_read_errors); -+ atomic_read_unchecked(&rdev->read_errors), max_read_errors); - printk(KERN_NOTICE - "md/raid10:%s: %s: Failing raid device\n", - mdname(mddev), b); -@@ -2439,7 +2439,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10 - sect + - choose_data_offset(r10_bio, rdev)), - bdevname(rdev->bdev, b)); -- atomic_add(s, &rdev->corrected_errors); -+ atomic_add_unchecked(s, &rdev->corrected_errors); - } - - rdev_dec_pending(rdev, mddev); -@@ -3210,6 +3210,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, - } else { - /* resync. Schedule a read for every block at this virt offset */ - int count = 0; -+ sector_t sectors; - - bitmap_cond_end_sync(mddev->bitmap, sector_nr, 0); - -@@ -3235,7 +3236,8 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, - r10_bio->sector = sector_nr; - set_bit(R10BIO_IsSync, &r10_bio->state); - raid10_find_phys(conf, r10_bio); -- r10_bio->sectors = (sector_nr | chunk_mask) - sector_nr + 1; -+ sectors = (sector_nr | chunk_mask) - sector_nr + 1; -+ r10_bio->sectors = sectors; - - for (i = 0; i < conf->copies; i++) { - int d = r10_bio->devs[i].devnum; -diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c -index cce6057..2c080d8 100644 ---- a/drivers/md/raid5.c -+++ b/drivers/md/raid5.c -@@ -1120,23 +1120,23 @@ async_copy_data(int frombio, struct bio *bio, struct page **page, - struct bio_vec bvl; - struct bvec_iter iter; - struct page *bio_page; -- int page_offset; -+ s64 page_offset; - struct async_submit_ctl submit; - enum async_tx_flags flags = 0; - - if (bio->bi_iter.bi_sector >= sector) -- page_offset = (signed)(bio->bi_iter.bi_sector - sector) * 512; -+ page_offset = (s64)(bio->bi_iter.bi_sector - sector) * 512; - else -- page_offset = (signed)(sector - bio->bi_iter.bi_sector) * -512; -+ page_offset = (s64)(sector - bio->bi_iter.bi_sector) * -512; - - if (frombio) - flags |= ASYNC_TX_FENCE; - init_async_submit(&submit, flags, tx, NULL, NULL, NULL); - - bio_for_each_segment(bvl, bio, iter) { -- int len = bvl.bv_len; -- int clen; -- int b_offset = 0; -+ s64 len = bvl.bv_len; -+ s64 clen; -+ s64 b_offset = 0; - - if (page_offset < 0) { - b_offset = -page_offset; -@@ -2040,6 +2040,10 @@ static int grow_one_stripe(struct r5conf *conf, gfp_t gfp) - return 1; - } - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+static atomic_unchecked_t raid5_cache_id = ATOMIC_INIT(0); -+#endif -+ - static int grow_stripes(struct r5conf *conf, int num) - { - struct kmem_cache *sc; -@@ -2050,7 +2054,11 @@ static int grow_stripes(struct r5conf *conf, int num) - "raid%d-%s", conf->level, mdname(conf->mddev)); - else - sprintf(conf->cache_name[0], -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ "raid%d-%08lx", conf->level, atomic_inc_return_unchecked(&raid5_cache_id)); -+#else - "raid%d-%p", conf->level, conf->mddev); -+#endif - sprintf(conf->cache_name[1], "%s-alt", conf->cache_name[0]); - - conf->active_name = 0; -@@ -2354,21 +2362,21 @@ static void raid5_end_read_request(struct bio * bi) - mdname(conf->mddev), STRIPE_SECTORS, - (unsigned long long)s, - bdevname(rdev->bdev, b)); -- atomic_add(STRIPE_SECTORS, &rdev->corrected_errors); -+ atomic_add_unchecked(STRIPE_SECTORS, &rdev->corrected_errors); - clear_bit(R5_ReadError, &sh->dev[i].flags); - clear_bit(R5_ReWrite, &sh->dev[i].flags); - } else if (test_bit(R5_ReadNoMerge, &sh->dev[i].flags)) - clear_bit(R5_ReadNoMerge, &sh->dev[i].flags); - -- if (atomic_read(&rdev->read_errors)) -- atomic_set(&rdev->read_errors, 0); -+ if (atomic_read_unchecked(&rdev->read_errors)) -+ atomic_set_unchecked(&rdev->read_errors, 0); - } else { - const char *bdn = bdevname(rdev->bdev, b); - int retry = 0; - int set_bad = 0; - - clear_bit(R5_UPTODATE, &sh->dev[i].flags); -- atomic_inc(&rdev->read_errors); -+ atomic_inc_unchecked(&rdev->read_errors); - if (test_bit(R5_ReadRepl, &sh->dev[i].flags)) - printk_ratelimited( - KERN_WARNING -@@ -2396,7 +2404,7 @@ static void raid5_end_read_request(struct bio * bi) - mdname(conf->mddev), - (unsigned long long)s, - bdn); -- } else if (atomic_read(&rdev->read_errors) -+ } else if (atomic_read_unchecked(&rdev->read_errors) - > conf->max_nr_stripes) - printk(KERN_WARNING - "md/raid:%s: Too many read errors, failing device %s.\n", -@@ -3763,7 +3771,7 @@ static void handle_parity_checks5(struct r5conf *conf, struct stripe_head *sh, - */ - set_bit(STRIPE_INSYNC, &sh->state); - else { -- atomic64_add(STRIPE_SECTORS, &conf->mddev->resync_mismatches); -+ atomic64_add_unchecked(STRIPE_SECTORS, &conf->mddev->resync_mismatches); - if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery)) - /* don't try to repair!! */ - set_bit(STRIPE_INSYNC, &sh->state); -@@ -3915,7 +3923,7 @@ static void handle_parity_checks6(struct r5conf *conf, struct stripe_head *sh, - */ - } - } else { -- atomic64_add(STRIPE_SECTORS, &conf->mddev->resync_mismatches); -+ atomic64_add_unchecked(STRIPE_SECTORS, &conf->mddev->resync_mismatches); - if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery)) - /* don't try to repair!! */ - set_bit(STRIPE_INSYNC, &sh->state); -diff --git a/drivers/media/dvb-core/dvb_net.c b/drivers/media/dvb-core/dvb_net.c -index 9914f69..177e48b 100644 ---- a/drivers/media/dvb-core/dvb_net.c -+++ b/drivers/media/dvb-core/dvb_net.c -@@ -882,7 +882,7 @@ static int dvb_net_sec_callback(const u8 *buffer1, size_t buffer1_len, - return 0; - } - --static int dvb_net_tx(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t dvb_net_tx(struct sk_buff *skb, struct net_device *dev) - { - dev_kfree_skb(skb); - return NETDEV_TX_OK; -diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c -index 75a3f4b..06b70a3 100644 ---- a/drivers/media/dvb-core/dvbdev.c -+++ b/drivers/media/dvb-core/dvbdev.c -@@ -428,7 +428,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, - int demux_sink_pads) - { - struct dvb_device *dvbdev; -- struct file_operations *dvbdevfops; -+ file_operations_no_const *dvbdevfops; - struct device *clsdev; - int minor; - int id, ret; -diff --git a/drivers/media/dvb-frontends/af9033.h b/drivers/media/dvb-frontends/af9033.h -index 5b83e4f..e93b223 100644 ---- a/drivers/media/dvb-frontends/af9033.h -+++ b/drivers/media/dvb-frontends/af9033.h -@@ -94,6 +94,6 @@ struct af9033_ops { - int (*pid_filter_ctrl)(struct dvb_frontend *fe, int onoff); - int (*pid_filter)(struct dvb_frontend *fe, int index, u16 pid, - int onoff); --}; -+} __no_const; - - #endif /* AF9033_H */ -diff --git a/drivers/media/dvb-frontends/cx24116.c b/drivers/media/dvb-frontends/cx24116.c -index 8814f36..2adf845 100644 ---- a/drivers/media/dvb-frontends/cx24116.c -+++ b/drivers/media/dvb-frontends/cx24116.c -@@ -1462,7 +1462,7 @@ static int cx24116_tune(struct dvb_frontend *fe, bool re_tune, - return cx24116_read_status(fe, status); - } - --static int cx24116_get_algo(struct dvb_frontend *fe) -+static enum dvbfe_algo cx24116_get_algo(struct dvb_frontend *fe) - { - return DVBFE_ALGO_HW; - } -diff --git a/drivers/media/dvb-frontends/cx24117.c b/drivers/media/dvb-frontends/cx24117.c -index a3f7eb4..6103a23 100644 ---- a/drivers/media/dvb-frontends/cx24117.c -+++ b/drivers/media/dvb-frontends/cx24117.c -@@ -1555,7 +1555,7 @@ static int cx24117_tune(struct dvb_frontend *fe, bool re_tune, - return cx24117_read_status(fe, status); - } - --static int cx24117_get_algo(struct dvb_frontend *fe) -+static enum dvbfe_algo cx24117_get_algo(struct dvb_frontend *fe) - { - return DVBFE_ALGO_HW; - } -diff --git a/drivers/media/dvb-frontends/cx24120.c b/drivers/media/dvb-frontends/cx24120.c -index 066ee38..193d707 100644 ---- a/drivers/media/dvb-frontends/cx24120.c -+++ b/drivers/media/dvb-frontends/cx24120.c -@@ -1492,7 +1492,7 @@ static int cx24120_tune(struct dvb_frontend *fe, bool re_tune, - return cx24120_read_status(fe, status); - } - --static int cx24120_get_algo(struct dvb_frontend *fe) -+static enum dvbfe_algo cx24120_get_algo(struct dvb_frontend *fe) - { - return DVBFE_ALGO_HW; - } -diff --git a/drivers/media/dvb-frontends/cx24123.c b/drivers/media/dvb-frontends/cx24123.c -index 113b094..c9424e6 100644 ---- a/drivers/media/dvb-frontends/cx24123.c -+++ b/drivers/media/dvb-frontends/cx24123.c -@@ -1009,7 +1009,7 @@ static int cx24123_tune(struct dvb_frontend *fe, - return retval; - } - --static int cx24123_get_algo(struct dvb_frontend *fe) -+static enum dvbfe_algo cx24123_get_algo(struct dvb_frontend *fe) - { - return DVBFE_ALGO_HW; - } -diff --git a/drivers/media/dvb-frontends/cxd2820r_core.c b/drivers/media/dvb-frontends/cxd2820r_core.c -index f6ebbb4..3e0d8cb 100644 ---- a/drivers/media/dvb-frontends/cxd2820r_core.c -+++ b/drivers/media/dvb-frontends/cxd2820r_core.c -@@ -403,7 +403,7 @@ static enum dvbfe_search cxd2820r_search(struct dvb_frontend *fe) - return DVBFE_ALGO_SEARCH_ERROR; - } - --static int cxd2820r_get_frontend_algo(struct dvb_frontend *fe) -+static enum dvbfe_algo cxd2820r_get_frontend_algo(struct dvb_frontend *fe) - { - return DVBFE_ALGO_CUSTOM; - } -diff --git a/drivers/media/dvb-frontends/dib3000.h b/drivers/media/dvb-frontends/dib3000.h -index d5dfafb..b7ed9d9 100644 ---- a/drivers/media/dvb-frontends/dib3000.h -+++ b/drivers/media/dvb-frontends/dib3000.h -@@ -39,7 +39,7 @@ struct dib_fe_xfer_ops - int (*fifo_ctrl)(struct dvb_frontend *fe, int onoff); - int (*pid_ctrl)(struct dvb_frontend *fe, int index, int pid, int onoff); - int (*tuner_pass_ctrl)(struct dvb_frontend *fe, int onoff, u8 pll_ctrl); --}; -+} __no_const; - - #if IS_REACHABLE(CONFIG_DVB_DIB3000MB) - extern struct dvb_frontend* dib3000mb_attach(const struct dib3000_config* config, -diff --git a/drivers/media/dvb-frontends/dib7000p.h b/drivers/media/dvb-frontends/dib7000p.h -index 205fbbf..73562a9 100644 ---- a/drivers/media/dvb-frontends/dib7000p.h -+++ b/drivers/media/dvb-frontends/dib7000p.h -@@ -62,7 +62,7 @@ struct dib7000p_ops { - int (*get_adc_power)(struct dvb_frontend *fe); - int (*slave_reset)(struct dvb_frontend *fe); - struct dvb_frontend *(*init)(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib7000p_config *cfg); --}; -+} __no_const; - - #if IS_REACHABLE(CONFIG_DVB_DIB7000P) - void *dib7000p_attach(struct dib7000p_ops *ops); -diff --git a/drivers/media/dvb-frontends/dib8000.h b/drivers/media/dvb-frontends/dib8000.h -index 2b8b4b1..8cef451 100644 ---- a/drivers/media/dvb-frontends/dib8000.h -+++ b/drivers/media/dvb-frontends/dib8000.h -@@ -61,7 +61,7 @@ struct dib8000_ops { - int (*pid_filter_ctrl)(struct dvb_frontend *fe, u8 onoff); - int (*pid_filter)(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff); - struct dvb_frontend *(*init)(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib8000_config *cfg); --}; -+} __no_const; - - #if IS_REACHABLE(CONFIG_DVB_DIB8000) - void *dib8000_attach(struct dib8000_ops *ops); -diff --git a/drivers/media/dvb-frontends/hd29l2.c b/drivers/media/dvb-frontends/hd29l2.c -index 1c7eb47..c1cd6b8 100644 ---- a/drivers/media/dvb-frontends/hd29l2.c -+++ b/drivers/media/dvb-frontends/hd29l2.c -@@ -555,7 +555,7 @@ static enum dvbfe_search hd29l2_search(struct dvb_frontend *fe) - return DVBFE_ALGO_SEARCH_ERROR; - } - --static int hd29l2_get_frontend_algo(struct dvb_frontend *fe) -+static enum dvbfe_algo hd29l2_get_frontend_algo(struct dvb_frontend *fe) - { - return DVBFE_ALGO_CUSTOM; - } -diff --git a/drivers/media/dvb-frontends/lgdt3306a.c b/drivers/media/dvb-frontends/lgdt3306a.c -index 0ca4e81..fa72611 100644 ---- a/drivers/media/dvb-frontends/lgdt3306a.c -+++ b/drivers/media/dvb-frontends/lgdt3306a.c -@@ -1734,7 +1734,7 @@ static int lgdt3306a_get_tune_settings(struct dvb_frontend *fe, - return 0; - } - --static int lgdt3306a_search(struct dvb_frontend *fe) -+static enum dvbfe_search lgdt3306a_search(struct dvb_frontend *fe) - { - enum fe_status status = 0; - int ret; -diff --git a/drivers/media/dvb-frontends/mb86a20s.c b/drivers/media/dvb-frontends/mb86a20s.c -index fe79358..6b9c499 100644 ---- a/drivers/media/dvb-frontends/mb86a20s.c -+++ b/drivers/media/dvb-frontends/mb86a20s.c -@@ -2054,7 +2054,7 @@ static void mb86a20s_release(struct dvb_frontend *fe) - kfree(state); - } - --static int mb86a20s_get_frontend_algo(struct dvb_frontend *fe) -+static enum dvbfe_algo mb86a20s_get_frontend_algo(struct dvb_frontend *fe) - { - return DVBFE_ALGO_HW; - } -diff --git a/drivers/media/dvb-frontends/mt312.c b/drivers/media/dvb-frontends/mt312.c -index fc08429..c816697 100644 ---- a/drivers/media/dvb-frontends/mt312.c -+++ b/drivers/media/dvb-frontends/mt312.c -@@ -381,7 +381,7 @@ static int mt312_send_master_cmd(struct dvb_frontend *fe, - } - - static int mt312_send_burst(struct dvb_frontend *fe, -- const enum fe_sec_mini_cmd c) -+ enum fe_sec_mini_cmd c) - { - struct mt312_state *state = fe->demodulator_priv; - const u8 mini_tab[2] = { 0x02, 0x03 }; -@@ -405,7 +405,7 @@ static int mt312_send_burst(struct dvb_frontend *fe, - } - - static int mt312_set_tone(struct dvb_frontend *fe, -- const enum fe_sec_tone_mode t) -+ enum fe_sec_tone_mode t) - { - struct mt312_state *state = fe->demodulator_priv; - const u8 tone_tab[2] = { 0x01, 0x00 }; -@@ -429,7 +429,7 @@ static int mt312_set_tone(struct dvb_frontend *fe, - } - - static int mt312_set_voltage(struct dvb_frontend *fe, -- const enum fe_sec_voltage v) -+ enum fe_sec_voltage v) - { - struct mt312_state *state = fe->demodulator_priv; - const u8 volt_tab[3] = { 0x00, 0x40, 0x00 }; -diff --git a/drivers/media/dvb-frontends/s921.c b/drivers/media/dvb-frontends/s921.c -index b5e3d90..bd00dc6 100644 ---- a/drivers/media/dvb-frontends/s921.c -+++ b/drivers/media/dvb-frontends/s921.c -@@ -464,7 +464,7 @@ static int s921_tune(struct dvb_frontend *fe, - return rc; - } - --static int s921_get_algo(struct dvb_frontend *fe) -+static enum dvbfe_algo s921_get_algo(struct dvb_frontend *fe) - { - return DVBFE_ALGO_HW; - } -diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c -index 4462d8c..11b1da8 100644 ---- a/drivers/media/media-device.c -+++ b/drivers/media/media-device.c -@@ -58,9 +58,10 @@ static int media_device_close(struct file *filp) - return 0; - } - --static int media_device_get_info(struct media_device *dev, -- struct media_device_info *info) -+static long media_device_get_info(struct media_device *dev, -+ void *_info) - { -+ struct media_device_info *info = _info; - memset(info, 0, sizeof(*info)); - - if (dev->driver_name[0]) -@@ -98,8 +99,9 @@ static struct media_entity *find_entity(struct media_device *mdev, u32 id) - } - - static long media_device_enum_entities(struct media_device *mdev, -- struct media_entity_desc *entd) -+ void *_entd) - { -+ struct media_entity_desc *entd = _entd; - struct media_entity *ent; - - ent = find_entity(mdev, entd->id); -@@ -151,8 +153,9 @@ static void media_device_kpad_to_upad(const struct media_pad *kpad, - } - - static long media_device_enum_links(struct media_device *mdev, -- struct media_links_enum *links) -+ void *_links) - { -+ struct media_links_enum *links = _links; - struct media_entity *entity; - - entity = find_entity(mdev, links->entity); -@@ -199,8 +202,9 @@ static long media_device_enum_links(struct media_device *mdev, - } - - static long media_device_setup_link(struct media_device *mdev, -- struct media_link_desc *linkd) -+ void *_linkd) - { -+ struct media_link_desc *linkd = _linkd; - struct media_link *link = NULL; - struct media_entity *source; - struct media_entity *sink; -@@ -227,8 +231,9 @@ static long media_device_setup_link(struct media_device *mdev, - } - - static long media_device_get_topology(struct media_device *mdev, -- struct media_v2_topology *topo) -+ void *_topo) - { -+ struct media_v2_topology *topo = _topo; - struct media_entity *entity; - struct media_interface *intf; - struct media_pad *pad; -@@ -387,7 +392,7 @@ static long copy_arg_to_user(void __user *uarg, void *karg, unsigned int cmd) - #define MEDIA_IOC_ARG(__cmd, func, fl, from_user, to_user) \ - [_IOC_NR(MEDIA_IOC_##__cmd)] = { \ - .cmd = MEDIA_IOC_##__cmd, \ -- .fn = (long (*)(struct media_device *, void *))func, \ -+ .fn = func, \ - .flags = fl, \ - .arg_from_user = from_user, \ - .arg_to_user = to_user, \ -diff --git a/drivers/media/pci/bt8xx/dst.c b/drivers/media/pci/bt8xx/dst.c -index 35bc9b2..d5072b1 100644 ---- a/drivers/media/pci/bt8xx/dst.c -+++ b/drivers/media/pci/bt8xx/dst.c -@@ -1683,7 +1683,7 @@ static int dst_tune_frontend(struct dvb_frontend* fe, - return 0; - } - --static int dst_get_tuning_algo(struct dvb_frontend *fe) -+static enum dvbfe_algo dst_get_tuning_algo(struct dvb_frontend *fe) - { - return dst_algo ? DVBFE_ALGO_HW : DVBFE_ALGO_SW; - } -diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c -index d83eb3b..68382bf 100644 ---- a/drivers/media/pci/cx88/cx88-video.c -+++ b/drivers/media/pci/cx88/cx88-video.c -@@ -50,9 +50,9 @@ MODULE_VERSION(CX88_VERSION); - - /* ------------------------------------------------------------------ */ - --static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; --static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; --static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; -+static int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; -+static int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; -+static int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; - - module_param_array(video_nr, int, NULL, 0444); - module_param_array(vbi_nr, int, NULL, 0444); -diff --git a/drivers/media/pci/ivtv/ivtv-driver.c b/drivers/media/pci/ivtv/ivtv-driver.c -index ee48c3e..58a6269 100644 ---- a/drivers/media/pci/ivtv/ivtv-driver.c -+++ b/drivers/media/pci/ivtv/ivtv-driver.c -@@ -83,7 +83,7 @@ static struct pci_device_id ivtv_pci_tbl[] = { - MODULE_DEVICE_TABLE(pci,ivtv_pci_tbl); - - /* ivtv instance counter */ --static atomic_t ivtv_instance = ATOMIC_INIT(0); -+static atomic_unchecked_t ivtv_instance = ATOMIC_INIT(0); - - /* Parameter declarations */ - static int cardtype[IVTV_MAX_CARDS]; -diff --git a/drivers/media/pci/pt1/va1j5jf8007s.c b/drivers/media/pci/pt1/va1j5jf8007s.c -index d0e70dc0..e4fee68 100644 ---- a/drivers/media/pci/pt1/va1j5jf8007s.c -+++ b/drivers/media/pci/pt1/va1j5jf8007s.c -@@ -102,7 +102,7 @@ static int va1j5jf8007s_read_snr(struct dvb_frontend *fe, u16 *snr) - return 0; - } - --static int va1j5jf8007s_get_frontend_algo(struct dvb_frontend *fe) -+static enum dvbfe_algo va1j5jf8007s_get_frontend_algo(struct dvb_frontend *fe) - { - return DVBFE_ALGO_HW; - } -diff --git a/drivers/media/pci/pt1/va1j5jf8007t.c b/drivers/media/pci/pt1/va1j5jf8007t.c -index 0268f20..de9dff7 100644 ---- a/drivers/media/pci/pt1/va1j5jf8007t.c -+++ b/drivers/media/pci/pt1/va1j5jf8007t.c -@@ -92,7 +92,7 @@ static int va1j5jf8007t_read_snr(struct dvb_frontend *fe, u16 *snr) - return 0; - } - --static int va1j5jf8007t_get_frontend_algo(struct dvb_frontend *fe) -+static enum dvbfe_algo va1j5jf8007t_get_frontend_algo(struct dvb_frontend *fe) - { - return DVBFE_ALGO_HW; - } -diff --git a/drivers/media/pci/solo6x10/solo6x10-core.c b/drivers/media/pci/solo6x10/solo6x10-core.c -index f50d072..0214f25 100644 ---- a/drivers/media/pci/solo6x10/solo6x10-core.c -+++ b/drivers/media/pci/solo6x10/solo6x10-core.c -@@ -411,7 +411,7 @@ static void solo_device_release(struct device *dev) - - static int solo_sysfs_init(struct solo_dev *solo_dev) - { -- struct bin_attribute *sdram_attr = &solo_dev->sdram_attr; -+ bin_attribute_no_const *sdram_attr = &solo_dev->sdram_attr; - struct device *dev = &solo_dev->dev; - const char *driver; - int i; -diff --git a/drivers/media/pci/solo6x10/solo6x10-g723.c b/drivers/media/pci/solo6x10/solo6x10-g723.c -index 6a35107..36e9354 100644 ---- a/drivers/media/pci/solo6x10/solo6x10-g723.c -+++ b/drivers/media/pci/solo6x10/solo6x10-g723.c -@@ -350,7 +350,7 @@ static int solo_snd_pcm_init(struct solo_dev *solo_dev) - - int solo_g723_init(struct solo_dev *solo_dev) - { -- static struct snd_device_ops ops = { NULL }; -+ static struct snd_device_ops ops = { }; - struct snd_card *card; - struct snd_kcontrol_new kctl; - char name[32]; -diff --git a/drivers/media/pci/solo6x10/solo6x10-p2m.c b/drivers/media/pci/solo6x10/solo6x10-p2m.c -index 8c84846..27b4f83 100644 ---- a/drivers/media/pci/solo6x10/solo6x10-p2m.c -+++ b/drivers/media/pci/solo6x10/solo6x10-p2m.c -@@ -73,7 +73,7 @@ int solo_p2m_dma_desc(struct solo_dev *solo_dev, - - /* Get next ID. According to Softlogic, 6110 has problems on !=0 P2M */ - if (solo_dev->type != SOLO_DEV_6110 && multi_p2m) { -- p2m_id = atomic_inc_return(&solo_dev->p2m_count) % SOLO_NR_P2M; -+ p2m_id = atomic_inc_return_unchecked(&solo_dev->p2m_count) % SOLO_NR_P2M; - if (p2m_id < 0) - p2m_id = -p2m_id; - } -diff --git a/drivers/media/pci/solo6x10/solo6x10.h b/drivers/media/pci/solo6x10/solo6x10.h -index 3f8da5e..b1de8be 100644 ---- a/drivers/media/pci/solo6x10/solo6x10.h -+++ b/drivers/media/pci/solo6x10/solo6x10.h -@@ -216,7 +216,7 @@ struct solo_dev { - - /* P2M DMA Engine */ - struct solo_p2m_dev p2m_dev[SOLO_NR_P2M]; -- atomic_t p2m_count; -+ atomic_unchecked_t p2m_count; - int p2m_jiffies; - unsigned int p2m_timeouts; - -diff --git a/drivers/media/pci/sta2x11/sta2x11_vip.c b/drivers/media/pci/sta2x11/sta2x11_vip.c -index aeb2b4e..53420d1 100644 ---- a/drivers/media/pci/sta2x11/sta2x11_vip.c -+++ b/drivers/media/pci/sta2x11/sta2x11_vip.c -@@ -775,8 +775,9 @@ static struct video_device video_dev_template = { - * - * IRQ_HANDLED, interrupt done. - */ --static irqreturn_t vip_irq(int irq, struct sta2x11_vip *vip) -+static irqreturn_t vip_irq(int irq, void *_vip) - { -+ struct sta2x11_vip *vip = _vip; - unsigned int status; - - status = reg_read(vip, DVP_ITS); -@@ -1058,7 +1059,7 @@ static int sta2x11_vip_init_one(struct pci_dev *pdev, - spin_lock_init(&vip->slock); - - ret = request_irq(pdev->irq, -- (irq_handler_t) vip_irq, -+ vip_irq, - IRQF_SHARED, KBUILD_MODNAME, vip); - if (ret) { - dev_err(&pdev->dev, "request_irq failed\n"); -diff --git a/drivers/media/pci/tw68/tw68-core.c b/drivers/media/pci/tw68/tw68-core.c -index 8474528..6c4e442 100644 ---- a/drivers/media/pci/tw68/tw68-core.c -+++ b/drivers/media/pci/tw68/tw68-core.c -@@ -61,7 +61,7 @@ static unsigned int card[] = {[0 ... (TW68_MAXBOARDS - 1)] = UNSET }; - module_param_array(card, int, NULL, 0444); - MODULE_PARM_DESC(card, "card type"); - --static atomic_t tw68_instance = ATOMIC_INIT(0); -+static atomic_unchecked_t tw68_instance = ATOMIC_INIT(0); - - /* ------------------------------------------------------------------ */ - -diff --git a/drivers/media/pci/tw686x/tw686x-core.c b/drivers/media/pci/tw686x/tw686x-core.c -index 71a0453..279d447 100644 ---- a/drivers/media/pci/tw686x/tw686x-core.c -+++ b/drivers/media/pci/tw686x/tw686x-core.c -@@ -72,12 +72,12 @@ static const char *dma_mode_name(unsigned int mode) - } - } - --static int tw686x_dma_mode_get(char *buffer, struct kernel_param *kp) -+static int tw686x_dma_mode_get(char *buffer, const struct kernel_param *kp) - { - return sprintf(buffer, dma_mode_name(dma_mode)); - } - --static int tw686x_dma_mode_set(const char *val, struct kernel_param *kp) -+static int tw686x_dma_mode_set(const char *val, const struct kernel_param *kp) - { - if (!strcasecmp(val, dma_mode_name(TW686X_DMA_MODE_MEMCPY))) - dma_mode = TW686X_DMA_MODE_MEMCPY; -diff --git a/drivers/media/pci/zoran/zoran.h b/drivers/media/pci/zoran/zoran.h -index 4e7db89..bd7ef95 100644 ---- a/drivers/media/pci/zoran/zoran.h -+++ b/drivers/media/pci/zoran/zoran.h -@@ -178,7 +178,6 @@ struct zoran_fh; - - struct zoran_mapping { - struct zoran_fh *fh; -- atomic_t count; - }; - - struct zoran_buffer { -diff --git a/drivers/media/pci/zoran/zoran_card.c b/drivers/media/pci/zoran/zoran_card.c -index 9d2697f..65fb18f 100644 ---- a/drivers/media/pci/zoran/zoran_card.c -+++ b/drivers/media/pci/zoran/zoran_card.c -@@ -1356,7 +1356,7 @@ static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent) - if (zr->card.video_codec) { - codec_name = codecid_to_modulename(zr->card.video_codec); - if (codec_name) { -- result = request_module(codec_name); -+ result = request_module("%s", codec_name); - if (result) { - dprintk(1, - KERN_ERR -@@ -1368,7 +1368,7 @@ static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent) - if (zr->card.video_vfe) { - vfe_name = codecid_to_modulename(zr->card.video_vfe); - if (vfe_name) { -- result = request_module(vfe_name); -+ result = request_module("%s", vfe_name); - if (result < 0) { - dprintk(1, - KERN_ERR -diff --git a/drivers/media/pci/zoran/zoran_driver.c b/drivers/media/pci/zoran/zoran_driver.c -index d6b631a..5479eca 100644 ---- a/drivers/media/pci/zoran/zoran_driver.c -+++ b/drivers/media/pci/zoran/zoran_driver.c -@@ -2593,8 +2593,6 @@ zoran_poll (struct file *file, - static void - zoran_vm_open (struct vm_area_struct *vma) - { -- struct zoran_mapping *map = vma->vm_private_data; -- atomic_inc(&map->count); - } - - static void -@@ -2722,7 +2720,6 @@ zoran_mmap (struct file *file, - return res; - } - map->fh = fh; -- atomic_set(&map->count, 1); - - vma->vm_ops = &zoran_vm_ops; - vma->vm_flags |= VM_DONTEXPAND; -diff --git a/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c b/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c -index b76c80b..4eb3be3 100644 ---- a/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c -+++ b/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c -@@ -665,10 +665,10 @@ static int h264_enc_deinit(unsigned long handle) - } - - static const struct venc_common_if venc_h264_if = { -- h264_enc_init, -- h264_enc_encode, -- h264_enc_set_param, -- h264_enc_deinit, -+ .init = h264_enc_init, -+ .encode = h264_enc_encode, -+ .set_param = h264_enc_set_param, -+ .deinit = h264_enc_deinit, - }; - - const struct venc_common_if *get_h264_enc_comm_if(void); -diff --git a/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c b/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c -index 544f571..a6fa145 100644 ---- a/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c -+++ b/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c -@@ -470,10 +470,10 @@ static int vp8_enc_deinit(unsigned long handle) - } - - static const struct venc_common_if venc_vp8_if = { -- vp8_enc_init, -- vp8_enc_encode, -- vp8_enc_set_param, -- vp8_enc_deinit, -+ .init = vp8_enc_init, -+ .encode = vp8_enc_encode, -+ .set_param = vp8_enc_set_param, -+ .deinit = vp8_enc_deinit, - }; - - const struct venc_common_if *get_vp8_enc_comm_if(void); -diff --git a/drivers/media/platform/omap/omap_vout.c b/drivers/media/platform/omap/omap_vout.c -index a31b95c..485cc47 100644 ---- a/drivers/media/platform/omap/omap_vout.c -+++ b/drivers/media/platform/omap/omap_vout.c -@@ -63,7 +63,6 @@ enum omap_vout_channels { - OMAP_VIDEO2, - }; - --static struct videobuf_queue_ops video_vbq_ops; - /* Variables configurable through module params*/ - static u32 video1_numbuffers = 3; - static u32 video2_numbuffers = 3; -@@ -1001,6 +1000,12 @@ static int omap_vout_open(struct file *file) - { - struct videobuf_queue *q; - struct omap_vout_device *vout = NULL; -+ static struct videobuf_queue_ops video_vbq_ops = { -+ .buf_setup = omap_vout_buffer_setup, -+ .buf_prepare = omap_vout_buffer_prepare, -+ .buf_release = omap_vout_buffer_release, -+ .buf_queue = omap_vout_buffer_queue, -+ }; - - vout = video_drvdata(file); - v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev, "Entering %s\n", __func__); -@@ -1018,10 +1023,6 @@ static int omap_vout_open(struct file *file) - vout->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; - - q = &vout->vbq; -- video_vbq_ops.buf_setup = omap_vout_buffer_setup; -- video_vbq_ops.buf_prepare = omap_vout_buffer_prepare; -- video_vbq_ops.buf_release = omap_vout_buffer_release; -- video_vbq_ops.buf_queue = omap_vout_buffer_queue; - spin_lock_init(&vout->vbq_lock); - - videobuf_queue_dma_contig_init(q, &video_vbq_ops, q->dev, -diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c -index edd1c1d..fbec29e 100644 ---- a/drivers/media/platform/soc_camera/soc_camera.c -+++ b/drivers/media/platform/soc_camera/soc_camera.c -@@ -1723,7 +1723,7 @@ static int soc_camera_probe(struct soc_camera_host *ici, - goto eadd; - - if (shd->module_name) -- ret = request_module(shd->module_name); -+ ret = request_module("%s", shd->module_name); - - ret = shd->add_device(icd); - if (ret < 0) -diff --git a/drivers/media/platform/sti/c8sectpfe/Kconfig b/drivers/media/platform/sti/c8sectpfe/Kconfig -index 7420a50..e6f31a0 100644 ---- a/drivers/media/platform/sti/c8sectpfe/Kconfig -+++ b/drivers/media/platform/sti/c8sectpfe/Kconfig -@@ -4,6 +4,7 @@ config DVB_C8SECTPFE - depends on ARCH_STI || ARCH_MULTIPLATFORM || COMPILE_TEST - select FW_LOADER - select DEBUG_FS -+ depends on !GRKERNSEC_KMEM - select DVB_LNBP21 if MEDIA_SUBDRV_AUTOSELECT - select DVB_STV090x if MEDIA_SUBDRV_AUTOSELECT - select DVB_STB6100 if MEDIA_SUBDRV_AUTOSELECT -diff --git a/drivers/media/radio/radio-cadet.c b/drivers/media/radio/radio-cadet.c -index 82affae..42833ec 100644 ---- a/drivers/media/radio/radio-cadet.c -+++ b/drivers/media/radio/radio-cadet.c -@@ -333,6 +333,8 @@ static ssize_t cadet_read(struct file *file, char __user *data, size_t count, lo - unsigned char readbuf[RDS_BUFFER]; - int i = 0; - -+ if (count > RDS_BUFFER) -+ return -EFAULT; - mutex_lock(&dev->lock); - if (dev->rdsstat == 0) - cadet_start_rds(dev); -@@ -349,8 +351,9 @@ static ssize_t cadet_read(struct file *file, char __user *data, size_t count, lo - readbuf[i++] = dev->rdsbuf[dev->rdsout++]; - mutex_unlock(&dev->lock); - -- if (i && copy_to_user(data, readbuf, i)) -- return -EFAULT; -+ if (i > sizeof(readbuf) || (i && copy_to_user(data, readbuf, i))) -+ i = -EFAULT; -+ - return i; - } - -diff --git a/drivers/media/radio/radio-maxiradio.c b/drivers/media/radio/radio-maxiradio.c -index 8253f79..ca5f579 100644 ---- a/drivers/media/radio/radio-maxiradio.c -+++ b/drivers/media/radio/radio-maxiradio.c -@@ -61,7 +61,7 @@ MODULE_PARM_DESC(radio_nr, "Radio device number"); - /* TEA5757 pin mappings */ - static const int clk = 1, data = 2, wren = 4, mo_st = 8, power = 16; - --static atomic_t maxiradio_instance = ATOMIC_INIT(0); -+static atomic_unchecked_t maxiradio_instance = ATOMIC_INIT(0); - - #define PCI_VENDOR_ID_GUILLEMOT 0x5046 - #define PCI_DEVICE_ID_GUILLEMOT_MAXIRADIO 0x1001 -diff --git a/drivers/media/radio/radio-shark.c b/drivers/media/radio/radio-shark.c -index 85667a9..ec4dc0a 100644 ---- a/drivers/media/radio/radio-shark.c -+++ b/drivers/media/radio/radio-shark.c -@@ -79,7 +79,7 @@ struct shark_device { - u32 last_val; - }; - --static atomic_t shark_instance = ATOMIC_INIT(0); -+static atomic_unchecked_t shark_instance = ATOMIC_INIT(0); - - static void shark_write_val(struct snd_tea575x *tea, u32 val) - { -diff --git a/drivers/media/radio/radio-shark2.c b/drivers/media/radio/radio-shark2.c -index 0e65a85..3fa6f5c 100644 ---- a/drivers/media/radio/radio-shark2.c -+++ b/drivers/media/radio/radio-shark2.c -@@ -74,7 +74,7 @@ struct shark_device { - u8 *transfer_buffer; - }; - --static atomic_t shark_instance = ATOMIC_INIT(0); -+static atomic_unchecked_t shark_instance = ATOMIC_INIT(0); - - static int shark_write_reg(struct radio_tea5777 *tea, u64 reg) - { -diff --git a/drivers/media/radio/radio-si476x.c b/drivers/media/radio/radio-si476x.c -index 271f725..35e8c8f 100644 ---- a/drivers/media/radio/radio-si476x.c -+++ b/drivers/media/radio/radio-si476x.c -@@ -1445,7 +1445,7 @@ static int si476x_radio_probe(struct platform_device *pdev) - struct si476x_radio *radio; - struct v4l2_ctrl *ctrl; - -- static atomic_t instance = ATOMIC_INIT(0); -+ static atomic_unchecked_t instance = ATOMIC_INIT(0); - - radio = devm_kzalloc(&pdev->dev, sizeof(*radio), GFP_KERNEL); - if (!radio) -diff --git a/drivers/media/radio/wl128x/fmdrv_common.c b/drivers/media/radio/wl128x/fmdrv_common.c -index 642b89c..5e92dc3 100644 ---- a/drivers/media/radio/wl128x/fmdrv_common.c -+++ b/drivers/media/radio/wl128x/fmdrv_common.c -@@ -71,7 +71,7 @@ module_param(default_rds_buf, uint, 0444); - MODULE_PARM_DESC(default_rds_buf, "RDS buffer entries"); - - /* Radio Nr */ --static u32 radio_nr = -1; -+static int radio_nr = -1; - module_param(radio_nr, int, 0444); - MODULE_PARM_DESC(radio_nr, "Radio Nr"); - -diff --git a/drivers/media/usb/dvb-usb/dvb-usb-firmware.c b/drivers/media/usb/dvb-usb/dvb-usb-firmware.c -index dd048a7..717a7b2 100644 ---- a/drivers/media/usb/dvb-usb/dvb-usb-firmware.c -+++ b/drivers/media/usb/dvb-usb/dvb-usb-firmware.c -@@ -35,42 +35,57 @@ static int usb_cypress_writemem(struct usb_device *udev,u16 addr,u8 *data, u8 le - - int usb_cypress_load_firmware(struct usb_device *udev, const struct firmware *fw, int type) - { -- struct hexline hx; -- u8 reset; -+ struct hexline *hx; -+ u8 *reset; - int ret,pos=0; - -+ reset = kmalloc(1, GFP_KERNEL); -+ if (reset == NULL) -+ return -ENOMEM; -+ -+ hx = kmalloc(sizeof(struct hexline), GFP_KERNEL); -+ if (hx == NULL) { -+ kfree(reset); -+ return -ENOMEM; -+ } -+ - /* stop the CPU */ -- reset = 1; -- if ((ret = usb_cypress_writemem(udev,cypress[type].cpu_cs_register,&reset,1)) != 1) -+ reset[0] = 1; -+ if ((ret = usb_cypress_writemem(udev,cypress[type].cpu_cs_register,reset,1)) != 1) - err("could not stop the USB controller CPU."); - -- while ((ret = dvb_usb_get_hexline(fw,&hx,&pos)) > 0) { -- deb_fw("writing to address 0x%04x (buffer: 0x%02x %02x)\n",hx.addr,hx.len,hx.chk); -- ret = usb_cypress_writemem(udev,hx.addr,hx.data,hx.len); -+ while ((ret = dvb_usb_get_hexline(fw,hx,&pos)) > 0) { -+ deb_fw("writing to address 0x%04x (buffer: 0x%02x %02x)\n",hx->addr,hx->len,hx->chk); -+ ret = usb_cypress_writemem(udev,hx->addr,hx->data,hx->len); - -- if (ret != hx.len) { -+ if (ret != hx->len) { - err("error while transferring firmware " - "(transferred size: %d, block size: %d)", -- ret,hx.len); -+ ret,hx->len); - ret = -EINVAL; - break; - } - } - if (ret < 0) { - err("firmware download failed at %d with %d",pos,ret); -+ kfree(reset); -+ kfree(hx); - return ret; - } - - if (ret == 0) { - /* restart the CPU */ -- reset = 0; -- if (ret || usb_cypress_writemem(udev,cypress[type].cpu_cs_register,&reset,1) != 1) { -+ reset[0] = 0; -+ if (ret || usb_cypress_writemem(udev,cypress[type].cpu_cs_register,reset,1) != 1) { - err("could not restart the USB controller CPU."); - ret = -EINVAL; - } - } else - ret = -EIO; - -+ kfree(reset); -+ kfree(hx); -+ - return ret; - } - EXPORT_SYMBOL(usb_cypress_load_firmware); -diff --git a/drivers/media/usb/dvb-usb/technisat-usb2.c b/drivers/media/usb/dvb-usb/technisat-usb2.c -index 4706628..14d602fb 100644 ---- a/drivers/media/usb/dvb-usb/technisat-usb2.c -+++ b/drivers/media/usb/dvb-usb/technisat-usb2.c -@@ -143,8 +143,10 @@ static int technisat_usb2_i2c_access(struct usb_device *udev, - /* handle tuner-i2c-nak */ - if (!(b[0] == I2C_STATUS_NAK && - device_addr == 0x60 -- /* && device_is_technisat_usb2 */)) -+ /* && device_is_technisat_usb2 */)) { -+ ret = -ENODEV; - goto err; -+ } - } - - deb_i2c("status: %d, ", b[0]); -diff --git a/drivers/media/usb/pvrusb2/pvrusb2-context.c b/drivers/media/usb/pvrusb2/pvrusb2-context.c -index c45f307..7d79261 100644 ---- a/drivers/media/usb/pvrusb2/pvrusb2-context.c -+++ b/drivers/media/usb/pvrusb2/pvrusb2-context.c -@@ -103,8 +103,10 @@ static void pvr2_context_destroy(struct pvr2_context *mp) - } - - --static void pvr2_context_notify(struct pvr2_context *mp) -+static void pvr2_context_notify(void *_mp) - { -+ struct pvr2_context *mp = _mp; -+ - pvr2_context_set_notify(mp,!0); - } - -@@ -119,9 +121,7 @@ static void pvr2_context_check(struct pvr2_context *mp) - pvr2_trace(PVR2_TRACE_CTXT, - "pvr2_context %p (initialize)", mp); - /* Finish hardware initialization */ -- if (pvr2_hdw_initialize(mp->hdw, -- (void (*)(void *))pvr2_context_notify, -- mp)) { -+ if (pvr2_hdw_initialize(mp->hdw, pvr2_context_notify, mp)) { - mp->video_stream.stream = - pvr2_hdw_get_video_stream(mp->hdw); - /* Trigger interface initialization. By doing this -diff --git a/drivers/media/usb/pvrusb2/pvrusb2-dvb.c b/drivers/media/usb/pvrusb2/pvrusb2-dvb.c -index 8c95793..2309b9e 100644 ---- a/drivers/media/usb/pvrusb2/pvrusb2-dvb.c -+++ b/drivers/media/usb/pvrusb2/pvrusb2-dvb.c -@@ -101,8 +101,10 @@ static int pvr2_dvb_feed_thread(void *data) - return stat; - } - --static void pvr2_dvb_notify(struct pvr2_dvb_adapter *adap) -+static void pvr2_dvb_notify(void *_adap) - { -+ struct pvr2_dvb_adapter *adap = _adap; -+ - wake_up(&adap->buffer_wait_data); - } - -@@ -161,8 +163,7 @@ static int pvr2_dvb_stream_do_start(struct pvr2_dvb_adapter *adap) - if (!(adap->buffer_storage[idx])) return -ENOMEM; - } - -- pvr2_stream_set_callback(pvr->video_stream.stream, -- (pvr2_stream_callback) pvr2_dvb_notify, adap); -+ pvr2_stream_set_callback(pvr->video_stream.stream, pvr2_dvb_notify, adap); - - ret = pvr2_stream_set_buffer_count(stream, PVR2_DVB_BUFFER_COUNT); - if (ret < 0) return ret; -diff --git a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c -index 1eb4f7b..db5fef7 100644 ---- a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c -+++ b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c -@@ -2097,7 +2097,7 @@ static void pvr2_hdw_load_modules(struct pvr2_hdw *hdw) - - cm = &hdw->hdw_desc->client_modules; - for (idx = 0; idx < cm->cnt; idx++) { -- request_module(cm->lst[idx]); -+ request_module("%s", cm->lst[idx]); - } - - ct = &hdw->hdw_desc->client_table; -diff --git a/drivers/media/usb/pvrusb2/pvrusb2-std.c b/drivers/media/usb/pvrusb2/pvrusb2-std.c -index 9a596a3..38de071 100644 ---- a/drivers/media/usb/pvrusb2/pvrusb2-std.c -+++ b/drivers/media/usb/pvrusb2/pvrusb2-std.c -@@ -216,7 +216,7 @@ unsigned int pvr2_std_id_to_str(char *bufPtr, unsigned int bufSize, - bufSize -= c2; - bufPtr += c2; - c2 = scnprintf(bufPtr,bufSize, -- ip->name); -+ "%s", ip->name); - c1 += c2; - bufSize -= c2; - bufPtr += c2; -diff --git a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c -index 2cc4d2b..3a559c8 100644 ---- a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c -+++ b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c -@@ -1090,8 +1090,10 @@ static int pvr2_v4l2_open(struct file *file) - } - - --static void pvr2_v4l2_notify(struct pvr2_v4l2_fh *fhp) -+static void pvr2_v4l2_notify(void *_fhp) - { -+ struct pvr2_v4l2_fh *fhp = _fhp; -+ - wake_up(&fhp->wait_data); - } - -@@ -1124,7 +1126,7 @@ static int pvr2_v4l2_iosetup(struct pvr2_v4l2_fh *fh) - - hdw = fh->channel.mc_head->hdw; - sp = fh->pdi->stream->stream; -- pvr2_stream_set_callback(sp,(pvr2_stream_callback)pvr2_v4l2_notify,fh); -+ pvr2_stream_set_callback(sp,pvr2_v4l2_notify,fh); - pvr2_hdw_set_stream_type(hdw,fh->pdi->config); - if ((ret = pvr2_hdw_set_streaming(hdw,!0)) < 0) return ret; - return pvr2_ioread_set_enabled(fh->rhp,!0); -diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c -index cde43b6..8412dfc 100644 ---- a/drivers/media/usb/uvc/uvc_driver.c -+++ b/drivers/media/usb/uvc/uvc_driver.c -@@ -2184,7 +2184,7 @@ static int uvc_reset_resume(struct usb_interface *intf) - * Module parameters - */ - --static int uvc_clock_param_get(char *buffer, struct kernel_param *kp) -+static int uvc_clock_param_get(char *buffer, const struct kernel_param *kp) - { - if (uvc_clock_param == CLOCK_MONOTONIC) - return sprintf(buffer, "CLOCK_MONOTONIC"); -@@ -2192,7 +2192,7 @@ static int uvc_clock_param_get(char *buffer, struct kernel_param *kp) - return sprintf(buffer, "CLOCK_REALTIME"); - } - --static int uvc_clock_param_set(const char *val, struct kernel_param *kp) -+static int uvc_clock_param_set(const char *val, const struct kernel_param *kp) - { - if (strncasecmp(val, "clock_", strlen("clock_")) == 0) - val += strlen("clock_"); -diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c -index 57cfe26a..b7ec298 100644 ---- a/drivers/media/v4l2-core/v4l2-common.c -+++ b/drivers/media/v4l2-core/v4l2-common.c -@@ -268,7 +268,7 @@ struct v4l2_subdev *v4l2_spi_new_subdev(struct v4l2_device *v4l2_dev, - BUG_ON(!v4l2_dev); - - if (info->modalias[0]) -- request_module(info->modalias); -+ request_module("%s", info->modalias); - - spi = spi_new_device(master, info); - -diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c -index bacecbd..277d1f8 100644 ---- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c -+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c -@@ -449,7 +449,7 @@ static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user - * by passing a very big num_planes value */ - uplane = compat_alloc_user_space(num_planes * - sizeof(struct v4l2_plane)); -- kp->m.planes = (__force struct v4l2_plane *)uplane; -+ kp->m.planes = (__force_kernel struct v4l2_plane *)uplane; - - while (--num_planes >= 0) { - ret = get_v4l2_plane32(uplane, uplane32, kp->memory); -@@ -519,7 +519,7 @@ static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user - if (num_planes == 0) - return 0; - -- uplane = (__force struct v4l2_plane __user *)kp->m.planes; -+ uplane = (struct v4l2_plane __force_user *)kp->m.planes; - if (get_user(p, &up->m.planes)) - return -EFAULT; - uplane32 = compat_ptr(p); -@@ -581,7 +581,7 @@ static int get_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_frame - get_user(kp->flags, &up->flags) || - copy_from_user(&kp->fmt, &up->fmt, sizeof(up->fmt))) - return -EFAULT; -- kp->base = (__force void *)compat_ptr(tmp); -+ kp->base = (__force_kernel void *)compat_ptr(tmp); - return 0; - } - -@@ -687,7 +687,7 @@ static int get_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext - n * sizeof(struct v4l2_ext_control32))) - return -EFAULT; - kcontrols = compat_alloc_user_space(n * sizeof(struct v4l2_ext_control)); -- kp->controls = (__force struct v4l2_ext_control *)kcontrols; -+ kp->controls = (__force_kernel struct v4l2_ext_control *)kcontrols; - while (--n >= 0) { - u32 id; - -@@ -714,7 +714,7 @@ static int put_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext - { - struct v4l2_ext_control32 __user *ucontrols; - struct v4l2_ext_control __user *kcontrols = -- (__force struct v4l2_ext_control __user *)kp->controls; -+ (struct v4l2_ext_control __force_user *)kp->controls; - int n = kp->count; - compat_caddr_t p; - -@@ -799,7 +799,7 @@ static int get_v4l2_edid32(struct v4l2_edid *kp, struct v4l2_edid32 __user *up) - get_user(tmp, &up->edid) || - copy_from_user(kp->reserved, up->reserved, sizeof(kp->reserved))) - return -EFAULT; -- kp->edid = (__force u8 *)compat_ptr(tmp); -+ kp->edid = (__force_kernel u8 *)compat_ptr(tmp); - return 0; - } - -diff --git a/drivers/media/v4l2-core/v4l2-device.c b/drivers/media/v4l2-core/v4l2-device.c -index 62bbed7..8bb0ce5 100644 ---- a/drivers/media/v4l2-core/v4l2-device.c -+++ b/drivers/media/v4l2-core/v4l2-device.c -@@ -74,9 +74,9 @@ int v4l2_device_put(struct v4l2_device *v4l2_dev) - EXPORT_SYMBOL_GPL(v4l2_device_put); - - int v4l2_device_set_name(struct v4l2_device *v4l2_dev, const char *basename, -- atomic_t *instance) -+ atomic_unchecked_t *instance) - { -- int num = atomic_inc_return(instance) - 1; -+ int num = atomic_inc_return_unchecked(instance) - 1; - int len = strlen(basename); - - if (basename[len - 1] >= '0' && basename[len - 1] <= '9') -diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c -index c52d94c..5edc58f 100644 ---- a/drivers/media/v4l2-core/v4l2-ioctl.c -+++ b/drivers/media/v4l2-core/v4l2-ioctl.c -@@ -2451,49 +2451,216 @@ static int v4l_enum_freq_bands(const struct v4l2_ioctl_ops *ops, - return -ENOTTY; - } - -+static int v4l_vidioc_g_fbuf(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_g_fbuf(file, fh, arg); -+} -+ -+static int v4l_vidioc_s_fbuf(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_s_fbuf(file, fh, arg); -+} -+ -+static int v4l_vidioc_expbuf(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_expbuf(file, fh, arg); -+} -+ -+static int v4l_vidioc_g_std(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_g_std(file, fh, arg); -+} -+ -+static int v4l_vidioc_g_audio(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_g_audio(file, fh, arg); -+} -+ -+static int v4l_vidioc_s_audio(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_s_audio(file, fh, arg); -+} -+ -+static int v4l_vidioc_g_input(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_g_input(file, fh, arg); -+} -+ -+static int v4l_vidioc_g_edid(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_g_edid(file, fh, arg); -+} -+ -+static int v4l_vidioc_s_edid(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_s_edid(file, fh, arg); -+} -+ -+static int v4l_vidioc_g_output(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_g_output(file, fh, arg); -+} -+ -+static int v4l_vidioc_g_audout(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_g_audout(file, fh, arg); -+} -+ -+static int v4l_vidioc_s_audout(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_s_audout(file, fh, arg); -+} -+ -+static int v4l_vidioc_g_selection(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_g_selection(file, fh, arg); -+} -+ -+static int v4l_vidioc_s_selection(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_s_selection(file, fh, arg); -+} -+ -+static int v4l_vidioc_g_jpegcomp(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_g_jpegcomp(file, fh, arg); -+} -+ -+static int v4l_vidioc_s_jpegcomp(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_s_jpegcomp(file, fh, arg); -+} -+ -+static int v4l_vidioc_enumaudio(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_enumaudio(file, fh, arg); -+} -+ -+static int v4l_vidioc_enumaudout(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_enumaudout(file, fh, arg); -+} -+ -+static int v4l_vidioc_enum_framesizes(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_enum_framesizes(file, fh, arg); -+} -+ -+static int v4l_vidioc_enum_frameintervals(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_enum_frameintervals(file, fh, arg); -+} -+ -+static int v4l_vidioc_g_enc_index(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_g_enc_index(file, fh, arg); -+} -+ -+static int v4l_vidioc_encoder_cmd(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_encoder_cmd(file, fh, arg); -+} -+ -+static int v4l_vidioc_try_encoder_cmd(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_try_encoder_cmd(file, fh, arg); -+} -+ -+static int v4l_vidioc_decoder_cmd(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_decoder_cmd(file, fh, arg); -+} -+ -+static int v4l_vidioc_try_decoder_cmd(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_try_decoder_cmd(file, fh, arg); -+} -+ -+static int v4l_vidioc_s_dv_timings(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_s_dv_timings(file, fh, arg); -+} -+ -+static int v4l_vidioc_g_dv_timings(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_g_dv_timings(file, fh, arg); -+} -+ -+static int v4l_vidioc_enum_dv_timings(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_enum_dv_timings(file, fh, arg); -+} -+ -+static int v4l_vidioc_query_dv_timings(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_query_dv_timings(file, fh, arg); -+} -+ -+static int v4l_vidioc_dv_timings_cap(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *arg) -+{ -+ return ops->vidioc_dv_timings_cap(file, fh, arg); -+} -+ - struct v4l2_ioctl_info { - unsigned int ioctl; - u32 flags; - const char * const name; -- union { -- u32 offset; -- int (*func)(const struct v4l2_ioctl_ops *ops, -- struct file *file, void *fh, void *p); -- } u; -+ int (*func)(const struct v4l2_ioctl_ops *ops, -+ struct file *file, void *fh, void *p); - void (*debug)(const void *arg, bool write_only); --}; -+} __do_const; -+typedef struct v4l2_ioctl_info __no_const v4l2_ioctl_info_no_const; - - /* This control needs a priority check */ - #define INFO_FL_PRIO (1 << 0) - /* This control can be valid if the filehandle passes a control handler. */ - #define INFO_FL_CTRL (1 << 1) --/* This is a standard ioctl, no need for special code */ --#define INFO_FL_STD (1 << 2) - /* This is ioctl has its own function */ --#define INFO_FL_FUNC (1 << 3) -+#define INFO_FL_FUNC (1 << 2) - /* Queuing ioctl */ --#define INFO_FL_QUEUE (1 << 4) -+#define INFO_FL_QUEUE (1 << 3) - /* Zero struct from after the field to the end */ - #define INFO_FL_CLEAR(v4l2_struct, field) \ - ((offsetof(struct v4l2_struct, field) + \ - sizeof(((struct v4l2_struct *)0)->field)) << 16) - #define INFO_FL_CLEAR_MASK (_IOC_SIZEMASK << 16) - --#define IOCTL_INFO_STD(_ioctl, _vidioc, _debug, _flags) \ -- [_IOC_NR(_ioctl)] = { \ -- .ioctl = _ioctl, \ -- .flags = _flags | INFO_FL_STD, \ -- .name = #_ioctl, \ -- .u.offset = offsetof(struct v4l2_ioctl_ops, _vidioc), \ -- .debug = _debug, \ -- } -- - #define IOCTL_INFO_FNC(_ioctl, _func, _debug, _flags) \ - [_IOC_NR(_ioctl)] = { \ - .ioctl = _ioctl, \ - .flags = _flags | INFO_FL_FUNC, \ - .name = #_ioctl, \ -- .u.func = _func, \ -+ .func = _func, \ - .debug = _debug, \ - } - -@@ -2504,17 +2671,17 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = { - IOCTL_INFO_FNC(VIDIOC_S_FMT, v4l_s_fmt, v4l_print_format, INFO_FL_PRIO), - IOCTL_INFO_FNC(VIDIOC_REQBUFS, v4l_reqbufs, v4l_print_requestbuffers, INFO_FL_PRIO | INFO_FL_QUEUE), - IOCTL_INFO_FNC(VIDIOC_QUERYBUF, v4l_querybuf, v4l_print_buffer, INFO_FL_QUEUE | INFO_FL_CLEAR(v4l2_buffer, length)), -- IOCTL_INFO_STD(VIDIOC_G_FBUF, vidioc_g_fbuf, v4l_print_framebuffer, 0), -- IOCTL_INFO_STD(VIDIOC_S_FBUF, vidioc_s_fbuf, v4l_print_framebuffer, INFO_FL_PRIO), -+ IOCTL_INFO_FNC(VIDIOC_G_FBUF, v4l_vidioc_g_fbuf, v4l_print_framebuffer, 0), -+ IOCTL_INFO_FNC(VIDIOC_S_FBUF, v4l_vidioc_s_fbuf, v4l_print_framebuffer, INFO_FL_PRIO), - IOCTL_INFO_FNC(VIDIOC_OVERLAY, v4l_overlay, v4l_print_u32, INFO_FL_PRIO), - IOCTL_INFO_FNC(VIDIOC_QBUF, v4l_qbuf, v4l_print_buffer, INFO_FL_QUEUE), -- IOCTL_INFO_STD(VIDIOC_EXPBUF, vidioc_expbuf, v4l_print_exportbuffer, INFO_FL_QUEUE | INFO_FL_CLEAR(v4l2_exportbuffer, flags)), -+ IOCTL_INFO_FNC(VIDIOC_EXPBUF, v4l_vidioc_expbuf, v4l_print_exportbuffer, INFO_FL_QUEUE | INFO_FL_CLEAR(v4l2_exportbuffer, flags)), - IOCTL_INFO_FNC(VIDIOC_DQBUF, v4l_dqbuf, v4l_print_buffer, INFO_FL_QUEUE), - IOCTL_INFO_FNC(VIDIOC_STREAMON, v4l_streamon, v4l_print_buftype, INFO_FL_PRIO | INFO_FL_QUEUE), - IOCTL_INFO_FNC(VIDIOC_STREAMOFF, v4l_streamoff, v4l_print_buftype, INFO_FL_PRIO | INFO_FL_QUEUE), - IOCTL_INFO_FNC(VIDIOC_G_PARM, v4l_g_parm, v4l_print_streamparm, INFO_FL_CLEAR(v4l2_streamparm, type)), - IOCTL_INFO_FNC(VIDIOC_S_PARM, v4l_s_parm, v4l_print_streamparm, INFO_FL_PRIO), -- IOCTL_INFO_STD(VIDIOC_G_STD, vidioc_g_std, v4l_print_std, 0), -+ IOCTL_INFO_FNC(VIDIOC_G_STD, v4l_vidioc_g_std, v4l_print_std, 0), - IOCTL_INFO_FNC(VIDIOC_S_STD, v4l_s_std, v4l_print_std, INFO_FL_PRIO), - IOCTL_INFO_FNC(VIDIOC_ENUMSTD, v4l_enumstd, v4l_print_standard, INFO_FL_CLEAR(v4l2_standard, index)), - IOCTL_INFO_FNC(VIDIOC_ENUMINPUT, v4l_enuminput, v4l_print_enuminput, INFO_FL_CLEAR(v4l2_input, index)), -@@ -2522,19 +2689,19 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = { - IOCTL_INFO_FNC(VIDIOC_S_CTRL, v4l_s_ctrl, v4l_print_control, INFO_FL_PRIO | INFO_FL_CTRL), - IOCTL_INFO_FNC(VIDIOC_G_TUNER, v4l_g_tuner, v4l_print_tuner, INFO_FL_CLEAR(v4l2_tuner, index)), - IOCTL_INFO_FNC(VIDIOC_S_TUNER, v4l_s_tuner, v4l_print_tuner, INFO_FL_PRIO), -- IOCTL_INFO_STD(VIDIOC_G_AUDIO, vidioc_g_audio, v4l_print_audio, 0), -- IOCTL_INFO_STD(VIDIOC_S_AUDIO, vidioc_s_audio, v4l_print_audio, INFO_FL_PRIO), -+ IOCTL_INFO_FNC(VIDIOC_G_AUDIO, v4l_vidioc_g_audio, v4l_print_audio, 0), -+ IOCTL_INFO_FNC(VIDIOC_S_AUDIO, v4l_vidioc_s_audio, v4l_print_audio, INFO_FL_PRIO), - IOCTL_INFO_FNC(VIDIOC_QUERYCTRL, v4l_queryctrl, v4l_print_queryctrl, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_queryctrl, id)), - IOCTL_INFO_FNC(VIDIOC_QUERYMENU, v4l_querymenu, v4l_print_querymenu, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_querymenu, index)), -- IOCTL_INFO_STD(VIDIOC_G_INPUT, vidioc_g_input, v4l_print_u32, 0), -+ IOCTL_INFO_FNC(VIDIOC_G_INPUT, v4l_vidioc_g_input, v4l_print_u32, 0), - IOCTL_INFO_FNC(VIDIOC_S_INPUT, v4l_s_input, v4l_print_u32, INFO_FL_PRIO), -- IOCTL_INFO_STD(VIDIOC_G_EDID, vidioc_g_edid, v4l_print_edid, 0), -- IOCTL_INFO_STD(VIDIOC_S_EDID, vidioc_s_edid, v4l_print_edid, INFO_FL_PRIO), -- IOCTL_INFO_STD(VIDIOC_G_OUTPUT, vidioc_g_output, v4l_print_u32, 0), -+ IOCTL_INFO_FNC(VIDIOC_G_EDID, v4l_vidioc_g_edid, v4l_print_edid, 0), -+ IOCTL_INFO_FNC(VIDIOC_S_EDID, v4l_vidioc_s_edid, v4l_print_edid, INFO_FL_PRIO), -+ IOCTL_INFO_FNC(VIDIOC_G_OUTPUT, v4l_vidioc_g_output, v4l_print_u32, 0), - IOCTL_INFO_FNC(VIDIOC_S_OUTPUT, v4l_s_output, v4l_print_u32, INFO_FL_PRIO), - IOCTL_INFO_FNC(VIDIOC_ENUMOUTPUT, v4l_enumoutput, v4l_print_enumoutput, INFO_FL_CLEAR(v4l2_output, index)), -- IOCTL_INFO_STD(VIDIOC_G_AUDOUT, vidioc_g_audout, v4l_print_audioout, 0), -- IOCTL_INFO_STD(VIDIOC_S_AUDOUT, vidioc_s_audout, v4l_print_audioout, INFO_FL_PRIO), -+ IOCTL_INFO_FNC(VIDIOC_G_AUDOUT, v4l_vidioc_g_audout, v4l_print_audioout, 0), -+ IOCTL_INFO_FNC(VIDIOC_S_AUDOUT, v4l_vidioc_s_audout, v4l_print_audioout, INFO_FL_PRIO), - IOCTL_INFO_FNC(VIDIOC_G_MODULATOR, v4l_g_modulator, v4l_print_modulator, INFO_FL_CLEAR(v4l2_modulator, index)), - IOCTL_INFO_FNC(VIDIOC_S_MODULATOR, v4l_s_modulator, v4l_print_modulator, INFO_FL_PRIO), - IOCTL_INFO_FNC(VIDIOC_G_FREQUENCY, v4l_g_frequency, v4l_print_frequency, INFO_FL_CLEAR(v4l2_frequency, tuner)), -@@ -2542,14 +2709,14 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = { - IOCTL_INFO_FNC(VIDIOC_CROPCAP, v4l_cropcap, v4l_print_cropcap, INFO_FL_CLEAR(v4l2_cropcap, type)), - IOCTL_INFO_FNC(VIDIOC_G_CROP, v4l_g_crop, v4l_print_crop, INFO_FL_CLEAR(v4l2_crop, type)), - IOCTL_INFO_FNC(VIDIOC_S_CROP, v4l_s_crop, v4l_print_crop, INFO_FL_PRIO), -- IOCTL_INFO_STD(VIDIOC_G_SELECTION, vidioc_g_selection, v4l_print_selection, INFO_FL_CLEAR(v4l2_selection, r)), -- IOCTL_INFO_STD(VIDIOC_S_SELECTION, vidioc_s_selection, v4l_print_selection, INFO_FL_PRIO | INFO_FL_CLEAR(v4l2_selection, r)), -- IOCTL_INFO_STD(VIDIOC_G_JPEGCOMP, vidioc_g_jpegcomp, v4l_print_jpegcompression, 0), -- IOCTL_INFO_STD(VIDIOC_S_JPEGCOMP, vidioc_s_jpegcomp, v4l_print_jpegcompression, INFO_FL_PRIO), -+ IOCTL_INFO_FNC(VIDIOC_G_SELECTION, v4l_vidioc_g_selection, v4l_print_selection, INFO_FL_CLEAR(v4l2_selection, r)), -+ IOCTL_INFO_FNC(VIDIOC_S_SELECTION, v4l_vidioc_s_selection, v4l_print_selection, INFO_FL_PRIO | INFO_FL_CLEAR(v4l2_selection, r)), -+ IOCTL_INFO_FNC(VIDIOC_G_JPEGCOMP, v4l_vidioc_g_jpegcomp, v4l_print_jpegcompression, 0), -+ IOCTL_INFO_FNC(VIDIOC_S_JPEGCOMP, v4l_vidioc_s_jpegcomp, v4l_print_jpegcompression, INFO_FL_PRIO), - IOCTL_INFO_FNC(VIDIOC_QUERYSTD, v4l_querystd, v4l_print_std, 0), - IOCTL_INFO_FNC(VIDIOC_TRY_FMT, v4l_try_fmt, v4l_print_format, 0), -- IOCTL_INFO_STD(VIDIOC_ENUMAUDIO, vidioc_enumaudio, v4l_print_audio, INFO_FL_CLEAR(v4l2_audio, index)), -- IOCTL_INFO_STD(VIDIOC_ENUMAUDOUT, vidioc_enumaudout, v4l_print_audioout, INFO_FL_CLEAR(v4l2_audioout, index)), -+ IOCTL_INFO_FNC(VIDIOC_ENUMAUDIO, v4l_vidioc_enumaudio, v4l_print_audio, INFO_FL_CLEAR(v4l2_audio, index)), -+ IOCTL_INFO_FNC(VIDIOC_ENUMAUDOUT, v4l_vidioc_enumaudout, v4l_print_audioout, INFO_FL_CLEAR(v4l2_audioout, index)), - IOCTL_INFO_FNC(VIDIOC_G_PRIORITY, v4l_g_priority, v4l_print_u32, 0), - IOCTL_INFO_FNC(VIDIOC_S_PRIORITY, v4l_s_priority, v4l_print_u32, INFO_FL_PRIO), - IOCTL_INFO_FNC(VIDIOC_G_SLICED_VBI_CAP, v4l_g_sliced_vbi_cap, v4l_print_sliced_vbi_cap, INFO_FL_CLEAR(v4l2_sliced_vbi_cap, type)), -@@ -2557,26 +2724,26 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = { - IOCTL_INFO_FNC(VIDIOC_G_EXT_CTRLS, v4l_g_ext_ctrls, v4l_print_ext_controls, INFO_FL_CTRL), - IOCTL_INFO_FNC(VIDIOC_S_EXT_CTRLS, v4l_s_ext_ctrls, v4l_print_ext_controls, INFO_FL_PRIO | INFO_FL_CTRL), - IOCTL_INFO_FNC(VIDIOC_TRY_EXT_CTRLS, v4l_try_ext_ctrls, v4l_print_ext_controls, INFO_FL_CTRL), -- IOCTL_INFO_STD(VIDIOC_ENUM_FRAMESIZES, vidioc_enum_framesizes, v4l_print_frmsizeenum, INFO_FL_CLEAR(v4l2_frmsizeenum, pixel_format)), -- IOCTL_INFO_STD(VIDIOC_ENUM_FRAMEINTERVALS, vidioc_enum_frameintervals, v4l_print_frmivalenum, INFO_FL_CLEAR(v4l2_frmivalenum, height)), -- IOCTL_INFO_STD(VIDIOC_G_ENC_INDEX, vidioc_g_enc_index, v4l_print_enc_idx, 0), -- IOCTL_INFO_STD(VIDIOC_ENCODER_CMD, vidioc_encoder_cmd, v4l_print_encoder_cmd, INFO_FL_PRIO | INFO_FL_CLEAR(v4l2_encoder_cmd, flags)), -- IOCTL_INFO_STD(VIDIOC_TRY_ENCODER_CMD, vidioc_try_encoder_cmd, v4l_print_encoder_cmd, INFO_FL_CLEAR(v4l2_encoder_cmd, flags)), -- IOCTL_INFO_STD(VIDIOC_DECODER_CMD, vidioc_decoder_cmd, v4l_print_decoder_cmd, INFO_FL_PRIO), -- IOCTL_INFO_STD(VIDIOC_TRY_DECODER_CMD, vidioc_try_decoder_cmd, v4l_print_decoder_cmd, 0), -+ IOCTL_INFO_FNC(VIDIOC_ENUM_FRAMESIZES, v4l_vidioc_enum_framesizes, v4l_print_frmsizeenum, INFO_FL_CLEAR(v4l2_frmsizeenum, pixel_format)), -+ IOCTL_INFO_FNC(VIDIOC_ENUM_FRAMEINTERVALS, v4l_vidioc_enum_frameintervals, v4l_print_frmivalenum, INFO_FL_CLEAR(v4l2_frmivalenum, height)), -+ IOCTL_INFO_FNC(VIDIOC_G_ENC_INDEX, v4l_vidioc_g_enc_index, v4l_print_enc_idx, 0), -+ IOCTL_INFO_FNC(VIDIOC_ENCODER_CMD, v4l_vidioc_encoder_cmd, v4l_print_encoder_cmd, INFO_FL_PRIO | INFO_FL_CLEAR(v4l2_encoder_cmd, flags)), -+ IOCTL_INFO_FNC(VIDIOC_TRY_ENCODER_CMD, v4l_vidioc_try_encoder_cmd, v4l_print_encoder_cmd, INFO_FL_CLEAR(v4l2_encoder_cmd, flags)), -+ IOCTL_INFO_FNC(VIDIOC_DECODER_CMD, v4l_vidioc_decoder_cmd, v4l_print_decoder_cmd, INFO_FL_PRIO), -+ IOCTL_INFO_FNC(VIDIOC_TRY_DECODER_CMD, v4l_vidioc_try_decoder_cmd, v4l_print_decoder_cmd, 0), - IOCTL_INFO_FNC(VIDIOC_DBG_S_REGISTER, v4l_dbg_s_register, v4l_print_dbg_register, 0), - IOCTL_INFO_FNC(VIDIOC_DBG_G_REGISTER, v4l_dbg_g_register, v4l_print_dbg_register, 0), - IOCTL_INFO_FNC(VIDIOC_S_HW_FREQ_SEEK, v4l_s_hw_freq_seek, v4l_print_hw_freq_seek, INFO_FL_PRIO), -- IOCTL_INFO_STD(VIDIOC_S_DV_TIMINGS, vidioc_s_dv_timings, v4l_print_dv_timings, INFO_FL_PRIO | INFO_FL_CLEAR(v4l2_dv_timings, bt.flags)), -- IOCTL_INFO_STD(VIDIOC_G_DV_TIMINGS, vidioc_g_dv_timings, v4l_print_dv_timings, 0), -+ IOCTL_INFO_FNC(VIDIOC_S_DV_TIMINGS, v4l_vidioc_s_dv_timings, v4l_print_dv_timings, INFO_FL_PRIO | INFO_FL_CLEAR(v4l2_dv_timings, bt.flags)), -+ IOCTL_INFO_FNC(VIDIOC_G_DV_TIMINGS, v4l_vidioc_g_dv_timings, v4l_print_dv_timings, 0), - IOCTL_INFO_FNC(VIDIOC_DQEVENT, v4l_dqevent, v4l_print_event, 0), - IOCTL_INFO_FNC(VIDIOC_SUBSCRIBE_EVENT, v4l_subscribe_event, v4l_print_event_subscription, 0), - IOCTL_INFO_FNC(VIDIOC_UNSUBSCRIBE_EVENT, v4l_unsubscribe_event, v4l_print_event_subscription, 0), - IOCTL_INFO_FNC(VIDIOC_CREATE_BUFS, v4l_create_bufs, v4l_print_create_buffers, INFO_FL_PRIO | INFO_FL_QUEUE), - IOCTL_INFO_FNC(VIDIOC_PREPARE_BUF, v4l_prepare_buf, v4l_print_buffer, INFO_FL_QUEUE), -- IOCTL_INFO_STD(VIDIOC_ENUM_DV_TIMINGS, vidioc_enum_dv_timings, v4l_print_enum_dv_timings, INFO_FL_CLEAR(v4l2_enum_dv_timings, pad)), -- IOCTL_INFO_STD(VIDIOC_QUERY_DV_TIMINGS, vidioc_query_dv_timings, v4l_print_dv_timings, 0), -- IOCTL_INFO_STD(VIDIOC_DV_TIMINGS_CAP, vidioc_dv_timings_cap, v4l_print_dv_timings_cap, INFO_FL_CLEAR(v4l2_dv_timings_cap, type)), -+ IOCTL_INFO_FNC(VIDIOC_ENUM_DV_TIMINGS, v4l_vidioc_enum_dv_timings, v4l_print_enum_dv_timings, INFO_FL_CLEAR(v4l2_enum_dv_timings, pad)), -+ IOCTL_INFO_FNC(VIDIOC_QUERY_DV_TIMINGS, v4l_vidioc_query_dv_timings, v4l_print_dv_timings, 0), -+ IOCTL_INFO_FNC(VIDIOC_DV_TIMINGS_CAP, v4l_vidioc_dv_timings_cap, v4l_print_dv_timings_cap, INFO_FL_CLEAR(v4l2_dv_timings_cap, type)), - IOCTL_INFO_FNC(VIDIOC_ENUM_FREQ_BANDS, v4l_enum_freq_bands, v4l_print_freq_band, 0), - IOCTL_INFO_FNC(VIDIOC_DBG_G_CHIP_INFO, v4l_dbg_g_chip_info, v4l_print_dbg_chip_info, INFO_FL_CLEAR(v4l2_dbg_chip_info, match)), - IOCTL_INFO_FNC(VIDIOC_QUERY_EXT_CTRL, v4l_query_ext_ctrl, v4l_print_query_ext_ctrl, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_query_ext_ctrl, id)), -@@ -2645,7 +2812,7 @@ static long __video_do_ioctl(struct file *file, - struct video_device *vfd = video_devdata(file); - const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops; - bool write_only = false; -- struct v4l2_ioctl_info default_info; -+ v4l2_ioctl_info_no_const default_info; - const struct v4l2_ioctl_info *info; - void *fh = file->private_data; - struct v4l2_fh *vfh = NULL; -@@ -2681,14 +2848,8 @@ static long __video_do_ioctl(struct file *file, - } - - write_only = _IOC_DIR(cmd) == _IOC_WRITE; -- if (info->flags & INFO_FL_STD) { -- typedef int (*vidioc_op)(struct file *file, void *fh, void *p); -- const void *p = vfd->ioctl_ops; -- const vidioc_op *vidioc = p + info->u.offset; -- -- ret = (*vidioc)(file, fh, arg); -- } else if (info->flags & INFO_FL_FUNC) { -- ret = info->u.func(ops, file, fh, arg); -+ if (info->flags & INFO_FL_FUNC) { -+ ret = info->func(ops, file, fh, arg); - } else if (!ops->vidioc_default) { - ret = -ENOTTY; - } else { -@@ -2736,7 +2897,7 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size, - ret = -EINVAL; - break; - } -- *user_ptr = (void __user *)buf->m.planes; -+ *user_ptr = (void __force_user *)buf->m.planes; - *kernel_ptr = (void **)&buf->m.planes; - *array_size = sizeof(struct v4l2_plane) * buf->length; - ret = 1; -@@ -2753,7 +2914,7 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size, - ret = -EINVAL; - break; - } -- *user_ptr = (void __user *)edid->edid; -+ *user_ptr = (void __force_user *)edid->edid; - *kernel_ptr = (void **)&edid->edid; - *array_size = edid->blocks * 128; - ret = 1; -@@ -2771,7 +2932,7 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size, - ret = -EINVAL; - break; - } -- *user_ptr = (void __user *)ctrls->controls; -+ *user_ptr = (void __force_user *)ctrls->controls; - *kernel_ptr = (void **)&ctrls->controls; - *array_size = sizeof(struct v4l2_ext_control) - * ctrls->count; -@@ -2872,7 +3033,7 @@ video_usercopy(struct file *file, unsigned int cmd, unsigned long arg, - } - - if (has_array_args) { -- *kernel_ptr = (void __force *)user_ptr; -+ *kernel_ptr = (void __force_kernel *)user_ptr; - if (copy_to_user(user_ptr, mbuf, array_size)) - err = -EFAULT; - goto out_array_args; -diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c -index 5457c36..478c999 100644 ---- a/drivers/memory/omap-gpmc.c -+++ b/drivers/memory/omap-gpmc.c -@@ -233,7 +233,7 @@ struct omap3_gpmc_regs { - struct gpmc_device { - struct device *dev; - int irq; -- struct irq_chip irq_chip; -+ struct irq_chip *irq_chip; - struct gpio_chip gpio_chip; - int nirqs; - }; -@@ -1254,10 +1254,10 @@ static int gpmc_irq_map(struct irq_domain *d, unsigned int virq, - irq_set_chip_data(virq, gpmc); - if (hw < GPMC_NR_NAND_IRQS) { - irq_modify_status(virq, IRQ_NOREQUEST, IRQ_NOAUTOEN); -- irq_set_chip_and_handler(virq, &gpmc->irq_chip, -+ irq_set_chip_and_handler(virq, gpmc->irq_chip, - handle_simple_irq); - } else { -- irq_set_chip_and_handler(virq, &gpmc->irq_chip, -+ irq_set_chip_and_handler(virq, gpmc->irq_chip, - handle_edge_irq); - } - -@@ -1303,6 +1303,16 @@ static irqreturn_t gpmc_handle_irq(int irq, void *data) - return IRQ_HANDLED; - } - -+static struct irq_chip gpmc_irq_chip = { -+ .name = "gpmc", -+ .irq_enable = gpmc_irq_enable, -+ .irq_disable = gpmc_irq_disable, -+ .irq_ack = gpmc_irq_ack, -+ .irq_mask = gpmc_irq_mask, -+ .irq_unmask = gpmc_irq_unmask, -+ .irq_set_type = gpmc_irq_set_type, -+}; -+ - static int gpmc_setup_irq(struct gpmc_device *gpmc) - { - u32 regval; -@@ -1315,13 +1325,7 @@ static int gpmc_setup_irq(struct gpmc_device *gpmc) - regval = gpmc_read_reg(GPMC_IRQSTATUS); - gpmc_write_reg(GPMC_IRQSTATUS, regval); - -- gpmc->irq_chip.name = "gpmc"; -- gpmc->irq_chip.irq_enable = gpmc_irq_enable; -- gpmc->irq_chip.irq_disable = gpmc_irq_disable; -- gpmc->irq_chip.irq_ack = gpmc_irq_ack; -- gpmc->irq_chip.irq_mask = gpmc_irq_mask; -- gpmc->irq_chip.irq_unmask = gpmc_irq_unmask; -- gpmc->irq_chip.irq_set_type = gpmc_irq_set_type; -+ gpmc->irq_chip = &gpmc_irq_chip; - - gpmc_irq_domain = irq_domain_add_linear(gpmc->dev->of_node, - gpmc->nirqs, -diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c -index 89c7ed1..f2ca71f 100644 ---- a/drivers/message/fusion/mptbase.c -+++ b/drivers/message/fusion/mptbase.c -@@ -99,7 +99,7 @@ module_param(mpt_channel_mapping, int, 0); - MODULE_PARM_DESC(mpt_channel_mapping, " Mapping id's to channels (default=0)"); - - static int mpt_debug_level; --static int mpt_set_debug_level(const char *val, struct kernel_param *kp); -+static int mpt_set_debug_level(const char *val, const struct kernel_param *kp); - module_param_call(mpt_debug_level, mpt_set_debug_level, param_get_int, - &mpt_debug_level, 0600); - MODULE_PARM_DESC(mpt_debug_level, -@@ -242,7 +242,7 @@ pci_enable_io_access(struct pci_dev *pdev) - pci_write_config_word(pdev, PCI_COMMAND, command_reg); - } - --static int mpt_set_debug_level(const char *val, struct kernel_param *kp) -+static int mpt_set_debug_level(const char *val, const struct kernel_param *kp) - { - int ret = param_set_int(val, kp); - MPT_ADAPTER *ioc; -@@ -6749,8 +6749,13 @@ static int mpt_iocinfo_proc_show(struct seq_file *m, void *v) - seq_printf(m, " MaxChainDepth = 0x%02x frames\n", ioc->facts.MaxChainDepth); - seq_printf(m, " MinBlockSize = 0x%02x bytes\n", 4*ioc->facts.BlockSize); - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n", NULL, NULL); -+#else - seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n", - (void *)ioc->req_frames, (void *)(ulong)ioc->req_frames_dma); -+#endif -+ - /* - * Rounding UP to nearest 4-kB boundary here... - */ -@@ -6763,7 +6768,11 @@ static int mpt_iocinfo_proc_show(struct seq_file *m, void *v) - ioc->facts.GlobalCredits); - - seq_printf(m, " Frames @ 0x%p (Dma @ 0x%p)\n", -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL, NULL); -+#else - (void *)ioc->alloc, (void *)(ulong)ioc->alloc_dma); -+#endif - sz = (ioc->reply_sz * ioc->reply_depth) + 128; - seq_printf(m, " {CurRepSz=%d} x {CurRepDepth=%d} = %d bytes ^= 0x%x\n", - ioc->reply_sz, ioc->reply_depth, ioc->reply_sz*ioc->reply_depth, sz); -diff --git a/drivers/message/fusion/mptlan.c b/drivers/message/fusion/mptlan.c -index 6955c9e..03bc466 100644 ---- a/drivers/message/fusion/mptlan.c -+++ b/drivers/message/fusion/mptlan.c -@@ -680,7 +680,7 @@ mpt_lan_send_reply(struct net_device *dev, LANSendReply_t *pSendRep) - } - - /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ --static int -+static netdev_tx_t - mpt_lan_sdu_send (struct sk_buff *skb, struct net_device *dev) - { - struct mpt_lan_priv *priv = netdev_priv(dev); -diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c -index 7ee1667..c36740d 100644 ---- a/drivers/message/fusion/mptsas.c -+++ b/drivers/message/fusion/mptsas.c -@@ -446,6 +446,23 @@ mptsas_is_end_device(struct mptsas_devinfo * attached) - return 0; - } - -+static inline void -+mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy) -+{ -+ if (phy_info->port_details) { -+ phy_info->port_details->rphy = rphy; -+ dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n", -+ ioc->name, rphy)); -+ } -+ -+ if (rphy) { -+ dsaswideprintk(ioc, dev_printk(KERN_DEBUG, -+ &rphy->dev, MYIOC_s_FMT "add:", ioc->name)); -+ dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n", -+ ioc->name, rphy, rphy->dev.release)); -+ } -+} -+ - /* no mutex */ - static void - mptsas_port_delete(MPT_ADAPTER *ioc, struct mptsas_portinfo_details * port_details) -@@ -484,23 +501,6 @@ mptsas_get_rphy(struct mptsas_phyinfo *phy_info) - return NULL; - } - --static inline void --mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy) --{ -- if (phy_info->port_details) { -- phy_info->port_details->rphy = rphy; -- dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n", -- ioc->name, rphy)); -- } -- -- if (rphy) { -- dsaswideprintk(ioc, dev_printk(KERN_DEBUG, -- &rphy->dev, MYIOC_s_FMT "add:", ioc->name)); -- dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n", -- ioc->name, rphy, rphy->dev.release)); -- } --} -- - static inline struct sas_port * - mptsas_get_port(struct mptsas_phyinfo *phy_info) - { -diff --git a/drivers/mfd/ab8500-debugfs.c b/drivers/mfd/ab8500-debugfs.c -index acf6c00..481c929 100644 ---- a/drivers/mfd/ab8500-debugfs.c -+++ b/drivers/mfd/ab8500-debugfs.c -@@ -100,7 +100,7 @@ static int irq_last; - static u32 *irq_count; - static int num_irqs; - --static struct device_attribute **dev_attr; -+static device_attribute_no_const **dev_attr; - static char **event_name; - - static u8 avg_sample = SAMPLE_16; -diff --git a/drivers/mfd/kempld-core.c b/drivers/mfd/kempld-core.c -index da5722d..d405030 100644 ---- a/drivers/mfd/kempld-core.c -+++ b/drivers/mfd/kempld-core.c -@@ -494,7 +494,7 @@ static struct platform_driver kempld_driver = { - .remove = kempld_remove, - }; - --static struct dmi_system_id kempld_dmi_table[] __initdata = { -+static const struct dmi_system_id kempld_dmi_table[] __initconst = { - { - .ident = "BBL6", - .matches = { -diff --git a/drivers/mfd/max8925-i2c.c b/drivers/mfd/max8925-i2c.c -index 5c80aea..1006323 100644 ---- a/drivers/mfd/max8925-i2c.c -+++ b/drivers/mfd/max8925-i2c.c -@@ -151,7 +151,7 @@ static int max8925_probe(struct i2c_client *client, - const struct i2c_device_id *id) - { - struct max8925_platform_data *pdata = dev_get_platdata(&client->dev); -- static struct max8925_chip *chip; -+ struct max8925_chip *chip; - struct device_node *node = client->dev.of_node; - - if (node && !pdata) { -diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c -index ee94080..e2a4a3d 100644 ---- a/drivers/mfd/rn5t618.c -+++ b/drivers/mfd/rn5t618.c -@@ -52,7 +52,6 @@ static const struct regmap_config rn5t618_regmap_config = { - }; - - static struct rn5t618 *rn5t618_pm_power_off; --static struct notifier_block rn5t618_restart_handler; - - static void rn5t618_trigger_poweroff_sequence(bool repower) - { -@@ -84,6 +83,12 @@ static int rn5t618_restart(struct notifier_block *this, - return NOTIFY_DONE; - } - -+static struct notifier_block rn5t618_restart_handler = { -+ .notifier_call = rn5t618_restart, -+ .priority = 192, -+ -+}; -+ - static const struct of_device_id rn5t618_of_match[] = { - { .compatible = "ricoh,rn5t567", .data = (void *)RN5T567 }, - { .compatible = "ricoh,rn5t618", .data = (void *)RN5T618 }, -@@ -133,9 +138,6 @@ static int rn5t618_i2c_probe(struct i2c_client *i2c, - dev_warn(&i2c->dev, "Poweroff callback already assigned\n"); - } - -- rn5t618_restart_handler.notifier_call = rn5t618_restart; -- rn5t618_restart_handler.priority = 192; -- - ret = register_restart_handler(&rn5t618_restart_handler); - if (ret) { - dev_err(&i2c->dev, "cannot register restart handler, %d\n", ret); -diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c -index 11cab15..d144bd9 100644 ---- a/drivers/mfd/tps65910.c -+++ b/drivers/mfd/tps65910.c -@@ -230,7 +230,7 @@ static int tps65910_irq_init(struct tps65910 *tps65910, int irq, - struct tps65910_platform_data *pdata) - { - int ret = 0; -- static struct regmap_irq_chip *tps6591x_irqs_chip; -+ struct regmap_irq_chip *tps6591x_irqs_chip; - - if (!irq) { - dev_warn(tps65910->dev, "No interrupt support, no core IRQ\n"); -diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c -index b46c0cf..89e322b 100644 ---- a/drivers/mfd/twl4030-irq.c -+++ b/drivers/mfd/twl4030-irq.c -@@ -34,6 +34,7 @@ - #include - #include - #include -+#include - - #include "twl-core.h" - -@@ -720,10 +721,12 @@ int twl4030_init_irq(struct device *dev, int irq_num) - * Install an irq handler for each of the SIH modules; - * clone dummy irq_chip since PIH can't *do* anything - */ -- twl4030_irq_chip = dummy_irq_chip; -- twl4030_irq_chip.name = "twl4030"; -+ pax_open_kernel(); -+ memcpy((void *)&twl4030_irq_chip, &dummy_irq_chip, sizeof twl4030_irq_chip); -+ const_cast(twl4030_irq_chip.name) = "twl4030"; - -- twl4030_sih_irq_chip.irq_ack = dummy_irq_chip.irq_ack; -+ const_cast(twl4030_sih_irq_chip.irq_ack) = dummy_irq_chip.irq_ack; -+ pax_close_kernel(); - - for (i = irq_base; i < irq_end; i++) { - irq_set_chip_and_handler(i, &twl4030_irq_chip, -diff --git a/drivers/misc/c2port/core.c b/drivers/misc/c2port/core.c -index 1922cb8..e14fb42 100644 ---- a/drivers/misc/c2port/core.c -+++ b/drivers/misc/c2port/core.c -@@ -918,7 +918,9 @@ struct c2port_device *c2port_device_register(char *name, - goto error_idr_alloc; - c2dev->id = ret; - -- bin_attr_flash_data.size = ops->blocks_num * ops->block_size; -+ pax_open_kernel(); -+ const_cast(bin_attr_flash_data.size) = ops->blocks_num * ops->block_size; -+ pax_close_kernel(); - - c2dev->dev = device_create(c2port_class, NULL, 0, c2dev, - "c2port%d", c2dev->id); -diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c -index 99635dd..9718bf1 100644 ---- a/drivers/misc/kgdbts.c -+++ b/drivers/misc/kgdbts.c -@@ -834,7 +834,7 @@ static void run_plant_and_detach_test(int is_early) - char before[BREAK_INSTR_SIZE]; - char after[BREAK_INSTR_SIZE]; - -- probe_kernel_read(before, (char *)kgdbts_break_test, -+ probe_kernel_read(before, (void *)ktla_ktva((unsigned long)kgdbts_break_test), - BREAK_INSTR_SIZE); - init_simple_test(); - ts.tst = plant_and_detach_test; -@@ -842,7 +842,7 @@ static void run_plant_and_detach_test(int is_early) - /* Activate test with initial breakpoint */ - if (!is_early) - kgdb_breakpoint(); -- probe_kernel_read(after, (char *)kgdbts_break_test, -+ probe_kernel_read(after, (void *)ktla_ktva((unsigned long)kgdbts_break_test), - BREAK_INSTR_SIZE); - if (memcmp(before, after, BREAK_INSTR_SIZE)) { - printk(KERN_CRIT "kgdbts: ERROR kgdb corrupted memory\n"); -@@ -1130,7 +1130,7 @@ static void kgdbts_put_char(u8 chr) - ts.run_test(0, chr); - } - --static int param_set_kgdbts_var(const char *kmessage, struct kernel_param *kp) -+static int param_set_kgdbts_var(const char *kmessage, const struct kernel_param *kp) - { - int len = strlen(kmessage); - -@@ -1173,7 +1173,7 @@ static void kgdbts_post_exp_handler(void) - module_put(THIS_MODULE); - } - --static struct kgdb_io kgdbts_io_ops = { -+static struct kgdb_io kgdbts_io_ops __read_only = { - .name = "kgdbts", - .read_char = kgdbts_get_char, - .write_char = kgdbts_put_char, -diff --git a/drivers/misc/lis3lv02d/lis3lv02d.c b/drivers/misc/lis3lv02d/lis3lv02d.c -index fb8705f..dc2f679 100644 ---- a/drivers/misc/lis3lv02d/lis3lv02d.c -+++ b/drivers/misc/lis3lv02d/lis3lv02d.c -@@ -497,7 +497,7 @@ static irqreturn_t lis302dl_interrupt(int irq, void *data) - * the lid is closed. This leads to interrupts as soon as a little move - * is done. - */ -- atomic_inc(&lis3->count); -+ atomic_inc_unchecked(&lis3->count); - - wake_up_interruptible(&lis3->misc_wait); - kill_fasync(&lis3->async_queue, SIGIO, POLL_IN); -@@ -583,7 +583,7 @@ static int lis3lv02d_misc_open(struct inode *inode, struct file *file) - if (lis3->pm_dev) - pm_runtime_get_sync(lis3->pm_dev); - -- atomic_set(&lis3->count, 0); -+ atomic_set_unchecked(&lis3->count, 0); - return 0; - } - -@@ -615,7 +615,7 @@ static ssize_t lis3lv02d_misc_read(struct file *file, char __user *buf, - add_wait_queue(&lis3->misc_wait, &wait); - while (true) { - set_current_state(TASK_INTERRUPTIBLE); -- data = atomic_xchg(&lis3->count, 0); -+ data = atomic_xchg_unchecked(&lis3->count, 0); - if (data) - break; - -@@ -656,7 +656,7 @@ static unsigned int lis3lv02d_misc_poll(struct file *file, poll_table *wait) - struct lis3lv02d, miscdev); - - poll_wait(file, &lis3->misc_wait, wait); -- if (atomic_read(&lis3->count)) -+ if (atomic_read_unchecked(&lis3->count)) - return POLLIN | POLLRDNORM; - return 0; - } -diff --git a/drivers/misc/lis3lv02d/lis3lv02d.h b/drivers/misc/lis3lv02d/lis3lv02d.h -index c439c82..1f20f57 100644 ---- a/drivers/misc/lis3lv02d/lis3lv02d.h -+++ b/drivers/misc/lis3lv02d/lis3lv02d.h -@@ -297,7 +297,7 @@ struct lis3lv02d { - struct input_polled_dev *idev; /* input device */ - struct platform_device *pdev; /* platform device */ - struct regulator_bulk_data regulators[2]; -- atomic_t count; /* interrupt count after last read */ -+ atomic_unchecked_t count; /* interrupt count after last read */ - union axis_conversion ac; /* hw -> logical axis */ - int mapped_btns[3]; - -diff --git a/drivers/misc/lkdtm_core.c b/drivers/misc/lkdtm_core.c -index f9154b8..bb13e3e 100644 ---- a/drivers/misc/lkdtm_core.c -+++ b/drivers/misc/lkdtm_core.c -@@ -78,7 +78,7 @@ static irqreturn_t jp_handle_irq_event(unsigned int irq, - return 0; - } - --static void jp_tasklet_action(struct softirq_action *a) -+static void jp_tasklet_action(void) - { - lkdtm_handler(); - jprobe_return(); -diff --git a/drivers/misc/mic/scif/scif_api.c b/drivers/misc/mic/scif/scif_api.c -index ddc9e4b..9e27f41 100644 ---- a/drivers/misc/mic/scif/scif_api.c -+++ b/drivers/misc/mic/scif/scif_api.c -@@ -1486,10 +1486,12 @@ int scif_client_register(struct scif_client *client) - { - struct subsys_interface *si = &client->si; - -- si->name = client->name; -- si->subsys = &scif_peer_bus; -- si->add_dev = scif_add_client_dev; -- si->remove_dev = scif_remove_client_dev; -+ pax_open_kernel(); -+ const_cast(si->name) = client->name; -+ const_cast(si->subsys) = &scif_peer_bus; -+ const_cast(si->add_dev) = scif_add_client_dev; -+ const_cast(si->remove_dev) = scif_remove_client_dev; -+ pax_close_kernel(); - - return subsys_interface_register(&client->si); - } -diff --git a/drivers/misc/mic/scif/scif_rb.c b/drivers/misc/mic/scif/scif_rb.c -index 637cc46..4fb1267 100644 ---- a/drivers/misc/mic/scif/scif_rb.c -+++ b/drivers/misc/mic/scif/scif_rb.c -@@ -138,7 +138,7 @@ void scif_rb_commit(struct scif_rb *rb) - * the read barrier in scif_rb_count(..) - */ - wmb(); -- ACCESS_ONCE(*rb->write_ptr) = rb->current_write_offset; -+ ACCESS_ONCE_RW(*rb->write_ptr) = rb->current_write_offset; - #ifdef CONFIG_INTEL_MIC_CARD - /* - * X100 Si bug: For the case where a Core is performing an EXT_WR -@@ -147,7 +147,7 @@ void scif_rb_commit(struct scif_rb *rb) - * This way, if ordering is violated for the Interrupt Message, it will - * fall just behind the first Posted associated with the first EXT_WR. - */ -- ACCESS_ONCE(*rb->write_ptr) = rb->current_write_offset; -+ ACCESS_ONCE_RW(*rb->write_ptr) = rb->current_write_offset; - #endif - } - -@@ -210,7 +210,7 @@ void scif_rb_update_read_ptr(struct scif_rb *rb) - * scif_rb_space(..) - */ - mb(); -- ACCESS_ONCE(*rb->read_ptr) = new_offset; -+ ACCESS_ONCE_RW(*rb->read_ptr) = new_offset; - #ifdef CONFIG_INTEL_MIC_CARD - /* - * X100 Si Bug: For the case where a Core is performing an EXT_WR -@@ -219,7 +219,7 @@ void scif_rb_update_read_ptr(struct scif_rb *rb) - * This way, if ordering is violated for the Interrupt Message, it will - * fall just behind the first Posted associated with the first EXT_WR. - */ -- ACCESS_ONCE(*rb->read_ptr) = new_offset; -+ ACCESS_ONCE_RW(*rb->read_ptr) = new_offset; - #endif - } - -diff --git a/drivers/misc/panel.c b/drivers/misc/panel.c -index 6030ac5..e498727 100644 ---- a/drivers/misc/panel.c -+++ b/drivers/misc/panel.c -@@ -1983,7 +1983,7 @@ static void panel_process_inputs(void) - } - } - --static void panel_scan_timer(void) -+static void panel_scan_timer(unsigned long data) - { - if (keypad.enabled && keypad_initialized) { - if (spin_trylock_irq(&pprt_lock)) { -@@ -2019,7 +2019,7 @@ static void init_scan_timer(void) - if (scan_timer.function) - return; /* already started */ - -- setup_timer(&scan_timer, (void *)&panel_scan_timer, 0); -+ setup_timer(&scan_timer, &panel_scan_timer, 0); - scan_timer.expires = jiffies + INPUT_POLL_TIME; - add_timer(&scan_timer); - } -diff --git a/drivers/misc/sgi-gru/gruhandles.c b/drivers/misc/sgi-gru/gruhandles.c -index 1ee8e82..785f528 100644 ---- a/drivers/misc/sgi-gru/gruhandles.c -+++ b/drivers/misc/sgi-gru/gruhandles.c -@@ -44,8 +44,8 @@ static void update_mcs_stats(enum mcs_op op, unsigned long clks) - unsigned long nsec; - - nsec = CLKS2NSEC(clks); -- atomic_long_inc(&mcs_op_statistics[op].count); -- atomic_long_add(nsec, &mcs_op_statistics[op].total); -+ atomic_long_inc_unchecked(&mcs_op_statistics[op].count); -+ atomic_long_add_unchecked(nsec, &mcs_op_statistics[op].total); - if (mcs_op_statistics[op].max < nsec) - mcs_op_statistics[op].max = nsec; - } -diff --git a/drivers/misc/sgi-gru/gruprocfs.c b/drivers/misc/sgi-gru/gruprocfs.c -index 4f76359..cdfcb2e 100644 ---- a/drivers/misc/sgi-gru/gruprocfs.c -+++ b/drivers/misc/sgi-gru/gruprocfs.c -@@ -32,9 +32,9 @@ - - #define printstat(s, f) printstat_val(s, &gru_stats.f, #f) - --static void printstat_val(struct seq_file *s, atomic_long_t *v, char *id) -+static void printstat_val(struct seq_file *s, atomic_long_unchecked_t *v, char *id) - { -- unsigned long val = atomic_long_read(v); -+ unsigned long val = atomic_long_read_unchecked(v); - - seq_printf(s, "%16lu %s\n", val, id); - } -@@ -134,8 +134,8 @@ static int mcs_statistics_show(struct seq_file *s, void *p) - - seq_printf(s, "%-20s%12s%12s%12s\n", "#id", "count", "aver-clks", "max-clks"); - for (op = 0; op < mcsop_last; op++) { -- count = atomic_long_read(&mcs_op_statistics[op].count); -- total = atomic_long_read(&mcs_op_statistics[op].total); -+ count = atomic_long_read_unchecked(&mcs_op_statistics[op].count); -+ total = atomic_long_read_unchecked(&mcs_op_statistics[op].total); - max = mcs_op_statistics[op].max; - seq_printf(s, "%-20s%12ld%12ld%12ld\n", id[op], count, - count ? total / count : 0, max); -diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h -index 5c3ce24..4915ccb 100644 ---- a/drivers/misc/sgi-gru/grutables.h -+++ b/drivers/misc/sgi-gru/grutables.h -@@ -167,82 +167,82 @@ extern unsigned int gru_max_gids; - * GRU statistics. - */ - struct gru_stats_s { -- atomic_long_t vdata_alloc; -- atomic_long_t vdata_free; -- atomic_long_t gts_alloc; -- atomic_long_t gts_free; -- atomic_long_t gms_alloc; -- atomic_long_t gms_free; -- atomic_long_t gts_double_allocate; -- atomic_long_t assign_context; -- atomic_long_t assign_context_failed; -- atomic_long_t free_context; -- atomic_long_t load_user_context; -- atomic_long_t load_kernel_context; -- atomic_long_t lock_kernel_context; -- atomic_long_t unlock_kernel_context; -- atomic_long_t steal_user_context; -- atomic_long_t steal_kernel_context; -- atomic_long_t steal_context_failed; -- atomic_long_t nopfn; -- atomic_long_t asid_new; -- atomic_long_t asid_next; -- atomic_long_t asid_wrap; -- atomic_long_t asid_reuse; -- atomic_long_t intr; -- atomic_long_t intr_cbr; -- atomic_long_t intr_tfh; -- atomic_long_t intr_spurious; -- atomic_long_t intr_mm_lock_failed; -- atomic_long_t call_os; -- atomic_long_t call_os_wait_queue; -- atomic_long_t user_flush_tlb; -- atomic_long_t user_unload_context; -- atomic_long_t user_exception; -- atomic_long_t set_context_option; -- atomic_long_t check_context_retarget_intr; -- atomic_long_t check_context_unload; -- atomic_long_t tlb_dropin; -- atomic_long_t tlb_preload_page; -- atomic_long_t tlb_dropin_fail_no_asid; -- atomic_long_t tlb_dropin_fail_upm; -- atomic_long_t tlb_dropin_fail_invalid; -- atomic_long_t tlb_dropin_fail_range_active; -- atomic_long_t tlb_dropin_fail_idle; -- atomic_long_t tlb_dropin_fail_fmm; -- atomic_long_t tlb_dropin_fail_no_exception; -- atomic_long_t tfh_stale_on_fault; -- atomic_long_t mmu_invalidate_range; -- atomic_long_t mmu_invalidate_page; -- atomic_long_t flush_tlb; -- atomic_long_t flush_tlb_gru; -- atomic_long_t flush_tlb_gru_tgh; -- atomic_long_t flush_tlb_gru_zero_asid; -+ atomic_long_unchecked_t vdata_alloc; -+ atomic_long_unchecked_t vdata_free; -+ atomic_long_unchecked_t gts_alloc; -+ atomic_long_unchecked_t gts_free; -+ atomic_long_unchecked_t gms_alloc; -+ atomic_long_unchecked_t gms_free; -+ atomic_long_unchecked_t gts_double_allocate; -+ atomic_long_unchecked_t assign_context; -+ atomic_long_unchecked_t assign_context_failed; -+ atomic_long_unchecked_t free_context; -+ atomic_long_unchecked_t load_user_context; -+ atomic_long_unchecked_t load_kernel_context; -+ atomic_long_unchecked_t lock_kernel_context; -+ atomic_long_unchecked_t unlock_kernel_context; -+ atomic_long_unchecked_t steal_user_context; -+ atomic_long_unchecked_t steal_kernel_context; -+ atomic_long_unchecked_t steal_context_failed; -+ atomic_long_unchecked_t nopfn; -+ atomic_long_unchecked_t asid_new; -+ atomic_long_unchecked_t asid_next; -+ atomic_long_unchecked_t asid_wrap; -+ atomic_long_unchecked_t asid_reuse; -+ atomic_long_unchecked_t intr; -+ atomic_long_unchecked_t intr_cbr; -+ atomic_long_unchecked_t intr_tfh; -+ atomic_long_unchecked_t intr_spurious; -+ atomic_long_unchecked_t intr_mm_lock_failed; -+ atomic_long_unchecked_t call_os; -+ atomic_long_unchecked_t call_os_wait_queue; -+ atomic_long_unchecked_t user_flush_tlb; -+ atomic_long_unchecked_t user_unload_context; -+ atomic_long_unchecked_t user_exception; -+ atomic_long_unchecked_t set_context_option; -+ atomic_long_unchecked_t check_context_retarget_intr; -+ atomic_long_unchecked_t check_context_unload; -+ atomic_long_unchecked_t tlb_dropin; -+ atomic_long_unchecked_t tlb_preload_page; -+ atomic_long_unchecked_t tlb_dropin_fail_no_asid; -+ atomic_long_unchecked_t tlb_dropin_fail_upm; -+ atomic_long_unchecked_t tlb_dropin_fail_invalid; -+ atomic_long_unchecked_t tlb_dropin_fail_range_active; -+ atomic_long_unchecked_t tlb_dropin_fail_idle; -+ atomic_long_unchecked_t tlb_dropin_fail_fmm; -+ atomic_long_unchecked_t tlb_dropin_fail_no_exception; -+ atomic_long_unchecked_t tfh_stale_on_fault; -+ atomic_long_unchecked_t mmu_invalidate_range; -+ atomic_long_unchecked_t mmu_invalidate_page; -+ atomic_long_unchecked_t flush_tlb; -+ atomic_long_unchecked_t flush_tlb_gru; -+ atomic_long_unchecked_t flush_tlb_gru_tgh; -+ atomic_long_unchecked_t flush_tlb_gru_zero_asid; - -- atomic_long_t copy_gpa; -- atomic_long_t read_gpa; -+ atomic_long_unchecked_t copy_gpa; -+ atomic_long_unchecked_t read_gpa; - -- atomic_long_t mesq_receive; -- atomic_long_t mesq_receive_none; -- atomic_long_t mesq_send; -- atomic_long_t mesq_send_failed; -- atomic_long_t mesq_noop; -- atomic_long_t mesq_send_unexpected_error; -- atomic_long_t mesq_send_lb_overflow; -- atomic_long_t mesq_send_qlimit_reached; -- atomic_long_t mesq_send_amo_nacked; -- atomic_long_t mesq_send_put_nacked; -- atomic_long_t mesq_page_overflow; -- atomic_long_t mesq_qf_locked; -- atomic_long_t mesq_qf_noop_not_full; -- atomic_long_t mesq_qf_switch_head_failed; -- atomic_long_t mesq_qf_unexpected_error; -- atomic_long_t mesq_noop_unexpected_error; -- atomic_long_t mesq_noop_lb_overflow; -- atomic_long_t mesq_noop_qlimit_reached; -- atomic_long_t mesq_noop_amo_nacked; -- atomic_long_t mesq_noop_put_nacked; -- atomic_long_t mesq_noop_page_overflow; -+ atomic_long_unchecked_t mesq_receive; -+ atomic_long_unchecked_t mesq_receive_none; -+ atomic_long_unchecked_t mesq_send; -+ atomic_long_unchecked_t mesq_send_failed; -+ atomic_long_unchecked_t mesq_noop; -+ atomic_long_unchecked_t mesq_send_unexpected_error; -+ atomic_long_unchecked_t mesq_send_lb_overflow; -+ atomic_long_unchecked_t mesq_send_qlimit_reached; -+ atomic_long_unchecked_t mesq_send_amo_nacked; -+ atomic_long_unchecked_t mesq_send_put_nacked; -+ atomic_long_unchecked_t mesq_page_overflow; -+ atomic_long_unchecked_t mesq_qf_locked; -+ atomic_long_unchecked_t mesq_qf_noop_not_full; -+ atomic_long_unchecked_t mesq_qf_switch_head_failed; -+ atomic_long_unchecked_t mesq_qf_unexpected_error; -+ atomic_long_unchecked_t mesq_noop_unexpected_error; -+ atomic_long_unchecked_t mesq_noop_lb_overflow; -+ atomic_long_unchecked_t mesq_noop_qlimit_reached; -+ atomic_long_unchecked_t mesq_noop_amo_nacked; -+ atomic_long_unchecked_t mesq_noop_put_nacked; -+ atomic_long_unchecked_t mesq_noop_page_overflow; - - }; - -@@ -251,8 +251,8 @@ enum mcs_op {cchop_allocate, cchop_start, cchop_interrupt, cchop_interrupt_sync, - tghop_invalidate, mcsop_last}; - - struct mcs_op_statistic { -- atomic_long_t count; -- atomic_long_t total; -+ atomic_long_unchecked_t count; -+ atomic_long_unchecked_t total; - unsigned long max; - }; - -@@ -275,7 +275,7 @@ extern struct mcs_op_statistic mcs_op_statistics[mcsop_last]; - - #define STAT(id) do { \ - if (gru_options & OPT_STATS) \ -- atomic_long_inc(&gru_stats.id); \ -+ atomic_long_inc_unchecked(&gru_stats.id); \ - } while (0) - - #ifdef CONFIG_SGI_GRU_DEBUG -diff --git a/drivers/misc/sgi-xp/xp.h b/drivers/misc/sgi-xp/xp.h -index c862cd4..0d176fe 100644 ---- a/drivers/misc/sgi-xp/xp.h -+++ b/drivers/misc/sgi-xp/xp.h -@@ -288,7 +288,7 @@ struct xpc_interface { - xpc_notify_func, void *); - void (*received) (short, int, void *); - enum xp_retval (*partid_to_nasids) (short, void *); --}; -+} __no_const; - - extern struct xpc_interface xpc_interface; - -diff --git a/drivers/misc/sgi-xp/xp_main.c b/drivers/misc/sgi-xp/xp_main.c -index 01be66d..4a305b4 100644 ---- a/drivers/misc/sgi-xp/xp_main.c -+++ b/drivers/misc/sgi-xp/xp_main.c -@@ -71,20 +71,42 @@ EXPORT_SYMBOL_GPL(xpc_registrations); - /* - * Initialize the XPC interface to indicate that XPC isn't loaded. - */ --static enum xp_retval --xpc_notloaded(void) -+static void xpc_notloaded_connect(int ch_number) -+{ -+} -+ -+static void xpc_notloaded_disconnect(int ch_number) -+{ -+} -+ -+static enum xp_retval xpc_notloaded_send(short partid, int ch_number, u32 flags, void *payload, -+ u16 payload_size) -+{ -+ return xpNotLoaded; -+} -+ -+static enum xp_retval xpc_notloaded_send_notify(short partid, int ch_number, u32 flags, void *payload, -+ u16 payload_size, xpc_notify_func func, void *key) -+{ -+ return xpNotLoaded; -+} -+ -+static void xpc_notloaded_received(short partid, int ch_number, void *payload) -+{ -+} -+ -+static enum xp_retval xpc_notloaded_partid_to_nasids(short partid, void *nasid_mask) - { - return xpNotLoaded; - } - - struct xpc_interface xpc_interface = { -- (void (*)(int))xpc_notloaded, -- (void (*)(int))xpc_notloaded, -- (enum xp_retval(*)(short, int, u32, void *, u16))xpc_notloaded, -- (enum xp_retval(*)(short, int, u32, void *, u16, xpc_notify_func, -- void *))xpc_notloaded, -- (void (*)(short, int, void *))xpc_notloaded, -- (enum xp_retval(*)(short, void *))xpc_notloaded -+ .connect = xpc_notloaded_connect, -+ .disconnect = xpc_notloaded_disconnect, -+ .send = xpc_notloaded_send, -+ .send_notify = xpc_notloaded_send_notify, -+ .received = xpc_notloaded_received, -+ .partid_to_nasids = xpc_notloaded_partid_to_nasids - }; - EXPORT_SYMBOL_GPL(xpc_interface); - -@@ -115,17 +137,12 @@ EXPORT_SYMBOL_GPL(xpc_set_interface); - void - xpc_clear_interface(void) - { -- xpc_interface.connect = (void (*)(int))xpc_notloaded; -- xpc_interface.disconnect = (void (*)(int))xpc_notloaded; -- xpc_interface.send = (enum xp_retval(*)(short, int, u32, void *, u16)) -- xpc_notloaded; -- xpc_interface.send_notify = (enum xp_retval(*)(short, int, u32, void *, -- u16, xpc_notify_func, -- void *))xpc_notloaded; -- xpc_interface.received = (void (*)(short, int, void *)) -- xpc_notloaded; -- xpc_interface.partid_to_nasids = (enum xp_retval(*)(short, void *)) -- xpc_notloaded; -+ xpc_interface.connect = xpc_notloaded_connect; -+ xpc_interface.disconnect = xpc_notloaded_disconnect; -+ xpc_interface.send = xpc_notloaded_send; -+ xpc_interface.send_notify = xpc_notloaded_send_notify; -+ xpc_interface.received = xpc_notloaded_received; -+ xpc_interface.partid_to_nasids = xpc_notloaded_partid_to_nasids; - } - EXPORT_SYMBOL_GPL(xpc_clear_interface); - -diff --git a/drivers/misc/sgi-xp/xpc.h b/drivers/misc/sgi-xp/xpc.h -index b94d5f7..7f494c5 100644 ---- a/drivers/misc/sgi-xp/xpc.h -+++ b/drivers/misc/sgi-xp/xpc.h -@@ -835,6 +835,7 @@ struct xpc_arch_operations { - void (*received_payload) (struct xpc_channel *, void *); - void (*notify_senders_of_disconnect) (struct xpc_channel *); - }; -+typedef struct xpc_arch_operations __no_const xpc_arch_operations_no_const; - - /* struct xpc_partition act_state values (for XPC HB) */ - -@@ -876,7 +877,7 @@ extern struct xpc_registration xpc_registrations[]; - /* found in xpc_main.c */ - extern struct device *xpc_part; - extern struct device *xpc_chan; --extern struct xpc_arch_operations xpc_arch_ops; -+extern xpc_arch_operations_no_const xpc_arch_ops; - extern int xpc_disengage_timelimit; - extern int xpc_disengage_timedout; - extern int xpc_activate_IRQ_rcvd; -diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c -index 7f32712..8539ab2 100644 ---- a/drivers/misc/sgi-xp/xpc_main.c -+++ b/drivers/misc/sgi-xp/xpc_main.c -@@ -166,7 +166,7 @@ static struct notifier_block xpc_die_notifier = { - .notifier_call = xpc_system_die, - }; - --struct xpc_arch_operations xpc_arch_ops; -+xpc_arch_operations_no_const xpc_arch_ops; - - /* - * Timer function to enforce the timelimit on the partition disengage. -diff --git a/drivers/misc/sgi-xp/xpnet.c b/drivers/misc/sgi-xp/xpnet.c -index 557f978..c8ce9fb 100644 ---- a/drivers/misc/sgi-xp/xpnet.c -+++ b/drivers/misc/sgi-xp/xpnet.c -@@ -421,7 +421,7 @@ xpnet_send(struct sk_buff *skb, struct xpnet_pending_msg *queued_msg, - * destination partid. If the destination partid octets are 0xffff, - * this packet is to be broadcast to all connected partitions. - */ --static int -+static netdev_tx_t - xpnet_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct xpnet_pending_msg *queued_msg; -diff --git a/drivers/misc/ti-st/st_kim.c b/drivers/misc/ti-st/st_kim.c -index bf0d770..9b331b0d 100644 ---- a/drivers/misc/ti-st/st_kim.c -+++ b/drivers/misc/ti-st/st_kim.c -@@ -581,9 +581,10 @@ static int show_list(struct seq_file *s, void *unused) - return 0; - } - --static ssize_t show_install(struct device *dev, -- struct device_attribute *attr, char *buf) -+static ssize_t show_install(struct kobject *_dev, -+ struct kobj_attribute *attr, char *buf) - { -+ struct device *dev = (struct device *)_dev; - struct kim_data_s *kim_data = dev_get_drvdata(dev); - return sprintf(buf, "%d\n", kim_data->ldisc_install); - } -@@ -610,47 +611,50 @@ static ssize_t store_baud_rate(struct device *dev, - } - #endif /* if DEBUG */ - --static ssize_t show_dev_name(struct device *dev, -- struct device_attribute *attr, char *buf) -+static ssize_t show_dev_name(struct kobject *_dev, -+ struct kobj_attribute *attr, char *buf) - { -+ struct device *dev = (struct device *)_dev; - struct kim_data_s *kim_data = dev_get_drvdata(dev); - return sprintf(buf, "%s\n", kim_data->dev_name); - } - --static ssize_t show_baud_rate(struct device *dev, -- struct device_attribute *attr, char *buf) -+static ssize_t show_baud_rate(struct kobject *_dev, -+ struct kobj_attribute *attr, char *buf) - { -+ struct device *dev = (struct device *)_dev; - struct kim_data_s *kim_data = dev_get_drvdata(dev); - return sprintf(buf, "%d\n", kim_data->baud_rate); - } - --static ssize_t show_flow_cntrl(struct device *dev, -- struct device_attribute *attr, char *buf) -+static ssize_t show_flow_cntrl(struct kobject *_dev, -+ struct kobj_attribute *attr, char *buf) - { -+ struct device *dev = (struct device *)_dev; - struct kim_data_s *kim_data = dev_get_drvdata(dev); - return sprintf(buf, "%d\n", kim_data->flow_cntrl); - } - - /* structures specific for sysfs entries */ - static struct kobj_attribute ldisc_install = --__ATTR(install, 0444, (void *)show_install, NULL); -+__ATTR(install, 0444, show_install, NULL); - - static struct kobj_attribute uart_dev_name = - #ifdef DEBUG /* TODO: move this to debug-fs if possible */ --__ATTR(dev_name, 0644, (void *)show_dev_name, (void *)store_dev_name); -+__ATTR(dev_name, 0644, show_dev_name, store_dev_name); - #else --__ATTR(dev_name, 0444, (void *)show_dev_name, NULL); -+__ATTR(dev_name, 0444, show_dev_name, NULL); - #endif - - static struct kobj_attribute uart_baud_rate = - #ifdef DEBUG /* TODO: move to debugfs */ --__ATTR(baud_rate, 0644, (void *)show_baud_rate, (void *)store_baud_rate); -+__ATTR(baud_rate, 0644, show_baud_rate, store_baud_rate); - #else --__ATTR(baud_rate, 0444, (void *)show_baud_rate, NULL); -+__ATTR(baud_rate, 0444, show_baud_rate, NULL); - #endif - - static struct kobj_attribute uart_flow_cntrl = --__ATTR(flow_cntrl, 0444, (void *)show_flow_cntrl, NULL); -+__ATTR(flow_cntrl, 0444, show_flow_cntrl, NULL); - - static struct attribute *uim_attrs[] = { - &ldisc_install.attr, -diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c -index df382be..a16bfb7 100644 ---- a/drivers/mmc/card/mmc_test.c -+++ b/drivers/mmc/card/mmc_test.c -@@ -2103,8 +2103,8 @@ static int mmc_test_rw_multiple_size(struct mmc_test_card *test, - { - int ret = 0; - int i; -- void *pre_req = test->card->host->ops->pre_req; -- void *post_req = test->card->host->ops->post_req; -+ void (*pre_req)(struct mmc_host *, struct mmc_request *, bool) = test->card->host->ops->pre_req; -+ void (*post_req)(struct mmc_host *, struct mmc_request *, int) = test->card->host->ops->post_req; - - if (rw->do_nonblock_req && - ((!pre_req && post_req) || (pre_req && !post_req))) { -diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h -index e8cd2de..c1640f6 100644 ---- a/drivers/mmc/host/dw_mmc.h -+++ b/drivers/mmc/host/dw_mmc.h -@@ -298,5 +298,5 @@ struct dw_mci_drv_data { - struct mmc_ios *ios); - int (*switch_voltage)(struct mmc_host *mmc, - struct mmc_ios *ios); --}; -+} __do_const; - #endif /* _DW_MMC_H_ */ -diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c -index df990bb..e647253 100644 ---- a/drivers/mmc/host/mmci.c -+++ b/drivers/mmc/host/mmci.c -@@ -1613,7 +1613,9 @@ static int mmci_probe(struct amba_device *dev, - mmc->caps |= MMC_CAP_CMD23; - - if (variant->busy_detect) { -- mmci_ops.card_busy = mmci_card_busy; -+ pax_open_kernel(); -+ const_cast(mmci_ops.card_busy) = mmci_card_busy; -+ pax_close_kernel(); - mmci_write_datactrlreg(host, MCI_ST_DPSM_BUSYMODE); - mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY; - mmc->max_busy_timeout = 0; -diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c -index 5f2f24a..e80f6f3 100644 ---- a/drivers/mmc/host/omap_hsmmc.c -+++ b/drivers/mmc/host/omap_hsmmc.c -@@ -2076,7 +2076,9 @@ static int omap_hsmmc_probe(struct platform_device *pdev) - - if (host->pdata->controller_flags & OMAP_HSMMC_BROKEN_MULTIBLOCK_READ) { - dev_info(&pdev->dev, "multiblock reads disabled due to 35xx erratum 2.1.1.128; MMC read performance may suffer\n"); -- omap_hsmmc_ops.multi_io_quirk = omap_hsmmc_multi_io_quirk; -+ pax_open_kernel(); -+ const_cast(omap_hsmmc_ops.multi_io_quirk) = omap_hsmmc_multi_io_quirk; -+ pax_close_kernel(); - } - - device_init_wakeup(&pdev->dev, true); -diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c -index 7123ef9..758d077 100644 ---- a/drivers/mmc/host/sdhci-esdhc-imx.c -+++ b/drivers/mmc/host/sdhci-esdhc-imx.c -@@ -1255,9 +1255,12 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev) - writel(0x0, host->ioaddr + ESDHC_TUNE_CTRL_STATUS); - } - -- if (imx_data->socdata->flags & ESDHC_FLAG_MAN_TUNING) -- sdhci_esdhc_ops.platform_execute_tuning = -+ if (imx_data->socdata->flags & ESDHC_FLAG_MAN_TUNING) { -+ pax_open_kernel(); -+ const_cast(sdhci_esdhc_ops.platform_execute_tuning) = - esdhc_executing_tuning; -+ pax_close_kernel(); -+ } - - if (imx_data->socdata->flags & ESDHC_FLAG_ERR004536) - host->quirks |= SDHCI_QUIRK_BROKEN_ADMA; -diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c -index 784c5a8..3567328 100644 ---- a/drivers/mmc/host/sdhci-s3c.c -+++ b/drivers/mmc/host/sdhci-s3c.c -@@ -598,9 +598,11 @@ static int sdhci_s3c_probe(struct platform_device *pdev) - * we can use overriding functions instead of default. - */ - if (sc->no_divider) { -- sdhci_s3c_ops.set_clock = sdhci_cmu_set_clock; -- sdhci_s3c_ops.get_min_clock = sdhci_cmu_get_min_clock; -- sdhci_s3c_ops.get_max_clock = sdhci_cmu_get_max_clock; -+ pax_open_kernel(); -+ const_cast(sdhci_s3c_ops.set_clock) = sdhci_cmu_set_clock; -+ const_cast(sdhci_s3c_ops.get_min_clock) = sdhci_cmu_get_min_clock; -+ const_cast(sdhci_s3c_ops.get_max_clock) = sdhci_cmu_get_max_clock; -+ pax_close_kernel(); - } - - /* It supports additional host capabilities if needed */ -diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c -index 7005676..f431ee3 100644 ---- a/drivers/mmc/host/tmio_mmc_pio.c -+++ b/drivers/mmc/host/tmio_mmc_pio.c -@@ -1069,8 +1069,10 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host, - goto host_free; - } - -- tmio_mmc_ops.card_busy = _host->card_busy; -- tmio_mmc_ops.start_signal_voltage_switch = _host->start_signal_voltage_switch; -+ pax_open_kernel(); -+ const_cast(tmio_mmc_ops.card_busy) = _host->card_busy; -+ const_cast(tmio_mmc_ops.start_signal_voltage_switch) = _host->start_signal_voltage_switch; -+ pax_close_kernel(); - mmc->ops = &tmio_mmc_ops; - - mmc->caps |= MMC_CAP_4_BIT_DATA | pdata->capabilities; -diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c -index 94d3eb4..7d34296 100644 ---- a/drivers/mtd/chips/cfi_cmdset_0020.c -+++ b/drivers/mtd/chips/cfi_cmdset_0020.c -@@ -666,7 +666,7 @@ cfi_staa_writev(struct mtd_info *mtd, const struct kvec *vecs, - size_t totlen = 0, thislen; - int ret = 0; - size_t buflen = 0; -- static char *buffer; -+ char *buffer; - - if (!ECCBUF_SIZE) { - /* We should fall back to a general writev implementation. -diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c -index 7c887f1..62fd690 100644 ---- a/drivers/mtd/devices/block2mtd.c -+++ b/drivers/mtd/devices/block2mtd.c -@@ -431,7 +431,7 @@ static int block2mtd_setup2(const char *val) - } - - --static int block2mtd_setup(const char *val, struct kernel_param *kp) -+static int block2mtd_setup(const char *val, const struct kernel_param *kp) - { - #ifdef MODULE - return block2mtd_setup2(val); -diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c -index 8b66e52..7287696 100644 ---- a/drivers/mtd/devices/phram.c -+++ b/drivers/mtd/devices/phram.c -@@ -266,7 +266,7 @@ static int phram_setup(const char *val) - return ret; - } - --static int phram_param_call(const char *val, struct kernel_param *kp) -+static int phram_param_call(const char *val, const struct kernel_param *kp) - { - #ifdef MODULE - return phram_setup(val); -diff --git a/drivers/mtd/maps/gpio-addr-flash.c b/drivers/mtd/maps/gpio-addr-flash.c -index 385305e..8051e87 100644 ---- a/drivers/mtd/maps/gpio-addr-flash.c -+++ b/drivers/mtd/maps/gpio-addr-flash.c -@@ -128,7 +128,7 @@ static void gf_copy_from(struct map_info *map, void *to, unsigned long from, ssi - * @map: MTD map state - * @ofs: desired offset to write - */ --static void gf_write(struct map_info *map, map_word d1, unsigned long ofs) -+static void gf_write(struct map_info *map, const map_word d1, unsigned long ofs) - { - struct async_state *state = gf_map_info_to_state(map); - uint16_t d; -diff --git a/drivers/mtd/maps/latch-addr-flash.c b/drivers/mtd/maps/latch-addr-flash.c -index 6dc97aa..c251b90 100644 ---- a/drivers/mtd/maps/latch-addr-flash.c -+++ b/drivers/mtd/maps/latch-addr-flash.c -@@ -52,7 +52,7 @@ static map_word lf_read(struct map_info *map, unsigned long ofs) - return datum; - } - --static void lf_write(struct map_info *map, map_word datum, unsigned long ofs) -+static void lf_write(struct map_info *map, const map_word datum, unsigned long ofs) - { - struct latch_addr_flash_info *info; - -diff --git a/drivers/mtd/maps/pci.c b/drivers/mtd/maps/pci.c -index eb0242e..1a4c5b9 100644 ---- a/drivers/mtd/maps/pci.c -+++ b/drivers/mtd/maps/pci.c -@@ -59,13 +59,13 @@ static void mtd_pci_copyfrom(struct map_info *_map, void *to, unsigned long from - memcpy_fromio(to, map->base + map->translate(map, from), len); - } - --static void mtd_pci_write8(struct map_info *_map, map_word val, unsigned long ofs) -+static void mtd_pci_write8(struct map_info *_map, const map_word val, unsigned long ofs) - { - struct map_pci_info *map = (struct map_pci_info *)_map; - writeb(val.x[0], map->base + map->translate(map, ofs)); - } - --static void mtd_pci_write32(struct map_info *_map, map_word val, unsigned long ofs) -+static void mtd_pci_write32(struct map_info *_map, const map_word val, unsigned long ofs) - { - struct map_pci_info *map = (struct map_pci_info *)_map; - writel(val.x[0], map->base + map->translate(map, ofs)); -diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c -index 70bb403..3ae94c6 100644 ---- a/drivers/mtd/maps/pcmciamtd.c -+++ b/drivers/mtd/maps/pcmciamtd.c -@@ -161,7 +161,7 @@ static void pcmcia_copy_from_remap(struct map_info *map, void *to, unsigned long - } - - --static void pcmcia_write8_remap(struct map_info *map, map_word d, unsigned long adr) -+static void pcmcia_write8_remap(struct map_info *map, const map_word d, unsigned long adr) - { - void __iomem *addr = remap_window(map, adr); - -@@ -173,7 +173,7 @@ static void pcmcia_write8_remap(struct map_info *map, map_word d, unsigned long - } - - --static void pcmcia_write16_remap(struct map_info *map, map_word d, unsigned long adr) -+static void pcmcia_write16_remap(struct map_info *map, const map_word d, unsigned long adr) - { - void __iomem *addr = remap_window(map, adr); - if(!addr) -@@ -256,7 +256,7 @@ static void pcmcia_copy_from(struct map_info *map, void *to, unsigned long from, - } - - --static void pcmcia_write8(struct map_info *map, map_word d, unsigned long adr) -+static void pcmcia_write8(struct map_info *map, const map_word d, unsigned long adr) - { - void __iomem *win_base = (void __iomem *)map->map_priv_2; - -@@ -269,7 +269,7 @@ static void pcmcia_write8(struct map_info *map, map_word d, unsigned long adr) - } - - --static void pcmcia_write16(struct map_info *map, map_word d, unsigned long adr) -+static void pcmcia_write16(struct map_info *map, const map_word d, unsigned long adr) - { - void __iomem *win_base = (void __iomem *)map->map_priv_2; - -diff --git a/drivers/mtd/maps/sbc_gxx.c b/drivers/mtd/maps/sbc_gxx.c -index 556a2df..e771329 100644 ---- a/drivers/mtd/maps/sbc_gxx.c -+++ b/drivers/mtd/maps/sbc_gxx.c -@@ -138,7 +138,7 @@ static void sbc_gxx_copy_from(struct map_info *map, void *to, unsigned long from - } - } - --static void sbc_gxx_write8(struct map_info *map, map_word d, unsigned long adr) -+static void sbc_gxx_write8(struct map_info *map, const map_word d, unsigned long adr) - { - spin_lock(&sbc_gxx_spin); - sbc_gxx_page(map, adr); -diff --git a/drivers/mtd/nand/brcmnand/bcm63138_nand.c b/drivers/mtd/nand/brcmnand/bcm63138_nand.c -index 59444b3..b8fd6d5 100644 ---- a/drivers/mtd/nand/brcmnand/bcm63138_nand.c -+++ b/drivers/mtd/nand/brcmnand/bcm63138_nand.c -@@ -81,8 +81,10 @@ static int bcm63138_nand_probe(struct platform_device *pdev) - if (IS_ERR(priv->base)) - return PTR_ERR(priv->base); - -+ pax_open_kernel(); - soc->ctlrdy_ack = bcm63138_nand_intc_ack; - soc->ctlrdy_set_enabled = bcm63138_nand_intc_set; -+ pax_close_kernel(); - - return brcmnand_probe(pdev, soc); - } -diff --git a/drivers/mtd/nand/brcmnand/brcmnand.h b/drivers/mtd/nand/brcmnand/brcmnand.h -index 5c44cd4..4b4ba7d 100644 ---- a/drivers/mtd/nand/brcmnand/brcmnand.h -+++ b/drivers/mtd/nand/brcmnand/brcmnand.h -@@ -25,7 +25,7 @@ struct brcmnand_soc { - void (*ctlrdy_set_enabled)(struct brcmnand_soc *soc, bool en); - void (*prepare_data_bus)(struct brcmnand_soc *soc, bool prepare, - bool is_param); --}; -+} __no_const; - - static inline void brcmnand_soc_data_bus_prepare(struct brcmnand_soc *soc, - bool is_param) -diff --git a/drivers/mtd/nand/brcmnand/iproc_nand.c b/drivers/mtd/nand/brcmnand/iproc_nand.c -index 4c6ae11..6a09e53 100644 ---- a/drivers/mtd/nand/brcmnand/iproc_nand.c -+++ b/drivers/mtd/nand/brcmnand/iproc_nand.c -@@ -130,9 +130,11 @@ static int iproc_nand_probe(struct platform_device *pdev) - if (IS_ERR(priv->ext_base)) - return PTR_ERR(priv->ext_base); - -+ pax_open_kernel(); - soc->ctlrdy_ack = iproc_nand_intc_ack; - soc->ctlrdy_set_enabled = iproc_nand_intc_set; - soc->prepare_data_bus = iproc_nand_apb_access; -+ pax_close_kernel(); - - return brcmnand_probe(pdev, soc); - } -diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c -index 0b0c937..e3a9cca 100644 ---- a/drivers/mtd/nand/cafe_nand.c -+++ b/drivers/mtd/nand/cafe_nand.c -@@ -345,7 +345,17 @@ static irqreturn_t cafe_nand_interrupt(int irq, void *id) - return IRQ_HANDLED; - } - --static void cafe_nand_bug(struct mtd_info *mtd) -+static void cafe_nand_bug_hwctl(struct mtd_info *mtd, int mode) -+{ -+ BUG(); -+} -+ -+static int cafe_nand_bug_calculate(struct mtd_info *mtd, const uint8_t *dat, uint8_t *ecc_code) -+{ -+ BUG(); -+} -+ -+static int cafe_nand_bug_correct(struct mtd_info *mtd, uint8_t *dat, uint8_t *read_ecc, uint8_t *calc_ecc) - { - BUG(); - } -@@ -780,9 +790,9 @@ static int cafe_nand_probe(struct pci_dev *pdev, - cafe->nand.ecc.size = mtd->writesize; - cafe->nand.ecc.bytes = 14; - cafe->nand.ecc.strength = 4; -- cafe->nand.ecc.hwctl = (void *)cafe_nand_bug; -- cafe->nand.ecc.calculate = (void *)cafe_nand_bug; -- cafe->nand.ecc.correct = (void *)cafe_nand_bug; -+ cafe->nand.ecc.hwctl = cafe_nand_bug_hwctl; -+ cafe->nand.ecc.calculate = cafe_nand_bug_calculate; -+ cafe->nand.ecc.correct = cafe_nand_bug_correct; - cafe->nand.ecc.write_page = cafe_nand_write_page_lowlevel; - cafe->nand.ecc.write_oob = cafe_nand_write_oob; - cafe->nand.ecc.read_page = cafe_nand_read_page; -diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c -index 0476ae8..8d320ef 100644 ---- a/drivers/mtd/nand/denali.c -+++ b/drivers/mtd/nand/denali.c -@@ -24,6 +24,7 @@ - #include - #include - #include -+#include - - #include "denali.h" - -diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c -index 6c062b8..828bdc0 100644 ---- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c -+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c -@@ -415,7 +415,7 @@ void prepare_data_dma(struct gpmi_nand_data *this, enum dma_data_direction dr) - - /* first try to map the upper buffer directly */ - if (virt_addr_valid(this->upper_buf) && -- !object_is_on_stack(this->upper_buf)) { -+ !object_starts_on_stack(this->upper_buf)) { - sg_init_one(sgl, this->upper_buf, this->upper_len); - ret = dma_map_sg(this->dev, sgl, 1, dr); - if (ret == 0) -diff --git a/drivers/mtd/nftlmount.c b/drivers/mtd/nftlmount.c -index a5dfbfb..8042ab4 100644 ---- a/drivers/mtd/nftlmount.c -+++ b/drivers/mtd/nftlmount.c -@@ -24,6 +24,7 @@ - #include - #include - #include -+#include - #include - #include - #include -diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c -index 3692dd5..b731a9b 100644 ---- a/drivers/mtd/sm_ftl.c -+++ b/drivers/mtd/sm_ftl.c -@@ -56,7 +56,7 @@ static ssize_t sm_attr_show(struct device *dev, struct device_attribute *attr, - #define SM_CIS_VENDOR_OFFSET 0x59 - static struct attribute_group *sm_create_sysfs_attributes(struct sm_ftl *ftl) - { -- struct attribute_group *attr_group; -+ attribute_group_no_const *attr_group; - struct attribute **attributes; - struct sm_sysfs_attribute *vendor_attribute; - char *vendor; -diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c -index 85d54f3..e1da78f 100644 ---- a/drivers/mtd/ubi/build.c -+++ b/drivers/mtd/ubi/build.c -@@ -1389,7 +1389,7 @@ static int __init bytes_str_to_int(const char *str) - * This function returns zero in case of success and a negative error code in - * case of error. - */ --static int __init ubi_mtd_param_parse(const char *val, struct kernel_param *kp) -+static int __init ubi_mtd_param_parse(const char *val, const struct kernel_param *kp) - { - int i, len; - struct mtd_dev_param *p; -diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c -index b8df0f5..0d64b6e 100644 ---- a/drivers/net/bonding/bond_netlink.c -+++ b/drivers/net/bonding/bond_netlink.c -@@ -666,7 +666,7 @@ static int bond_fill_info(struct sk_buff *skb, - return -EMSGSIZE; - } - --struct rtnl_link_ops bond_link_ops __read_mostly = { -+struct rtnl_link_ops bond_link_ops = { - .kind = "bond", - .priv_size = sizeof(struct bonding), - .setup = bond_setup, -diff --git a/drivers/net/caif/caif_hsi.c b/drivers/net/caif/caif_hsi.c -index ddabce7..6583c29 100644 ---- a/drivers/net/caif/caif_hsi.c -+++ b/drivers/net/caif/caif_hsi.c -@@ -1011,7 +1011,7 @@ static void cfhsi_aggregation_tout(unsigned long arg) - cfhsi_start_tx(cfhsi); - } - --static int cfhsi_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t cfhsi_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct cfhsi *cfhsi = NULL; - int start_xfer = 0; -@@ -1441,7 +1441,7 @@ static int caif_hsi_newlink(struct net *src_net, struct net_device *dev, - return -ENODEV; - } - --static struct rtnl_link_ops caif_hsi_link_ops __read_mostly = { -+static struct rtnl_link_ops caif_hsi_link_ops = { - .kind = "cfhsi", - .priv_size = sizeof(struct cfhsi), - .setup = cfhsi_setup, -diff --git a/drivers/net/caif/caif_serial.c b/drivers/net/caif/caif_serial.c -index c2dea49..4bf83b5 100644 ---- a/drivers/net/caif/caif_serial.c -+++ b/drivers/net/caif/caif_serial.c -@@ -277,7 +277,7 @@ static int handle_tx(struct ser_device *ser) - return tty_wr; - } - --static int caif_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t caif_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct ser_device *ser; - -diff --git a/drivers/net/caif/caif_spi.c b/drivers/net/caif/caif_spi.c -index 3a529fb..c55ad5e 100644 ---- a/drivers/net/caif/caif_spi.c -+++ b/drivers/net/caif/caif_spi.c -@@ -486,7 +486,7 @@ static void cfspi_xfer_done_cb(struct cfspi_ifc *ifc) - complete(&cfspi->comp); - } - --static int cfspi_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t cfspi_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct cfspi *cfspi = NULL; - unsigned long flags; -diff --git a/drivers/net/caif/caif_virtio.c b/drivers/net/caif/caif_virtio.c -index b306210..c5345de 100644 ---- a/drivers/net/caif/caif_virtio.c -+++ b/drivers/net/caif/caif_virtio.c -@@ -519,7 +519,7 @@ static struct buf_info *cfv_alloc_and_copy_to_shm(struct cfv_info *cfv, - } - - /* Put the CAIF packet on the virtio ring and kick the receiver */ --static int cfv_netdev_tx(struct sk_buff *skb, struct net_device *netdev) -+static netdev_tx_t cfv_netdev_tx(struct sk_buff *skb, struct net_device *netdev) - { - struct cfv_info *cfv = netdev_priv(netdev); - struct buf_info *buf_info; -diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig -index 22570ea..c462375 100644 ---- a/drivers/net/can/Kconfig -+++ b/drivers/net/can/Kconfig -@@ -81,7 +81,7 @@ config CAN_BFIN - - config CAN_FLEXCAN - tristate "Support for Freescale FLEXCAN based chips" -- depends on ARM || PPC -+ depends on (ARM && CPU_LITTLE_ENDIAN) || PPC - ---help--- - Say Y here if you want to support for Freescale FlexCAN. - -diff --git a/drivers/net/can/bfin_can.c b/drivers/net/can/bfin_can.c -index 1deb8ff9..4e2b0c1 100644 ---- a/drivers/net/can/bfin_can.c -+++ b/drivers/net/can/bfin_can.c -@@ -338,7 +338,7 @@ static int bfin_can_get_berr_counter(const struct net_device *dev, - return 0; - } - --static int bfin_can_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t bfin_can_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct bfin_can_priv *priv = netdev_priv(dev); - struct bfin_can_regs __iomem *reg = priv->membase; -diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c -index 8d6208c..7731e3c 100644 ---- a/drivers/net/can/dev.c -+++ b/drivers/net/can/dev.c -@@ -1053,7 +1053,7 @@ static void can_dellink(struct net_device *dev, struct list_head *head) - return; - } - --static struct rtnl_link_ops can_link_ops __read_mostly = { -+static struct rtnl_link_ops can_link_ops = { - .kind = "can", - .maxtype = IFLA_CAN_MAX, - .policy = can_policy, -diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c -index 16f7cad..e643cf4 100644 ---- a/drivers/net/can/flexcan.c -+++ b/drivers/net/can/flexcan.c -@@ -465,7 +465,7 @@ static int flexcan_get_berr_counter(const struct net_device *dev, - return err; - } - --static int flexcan_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t flexcan_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - const struct flexcan_priv *priv = netdev_priv(dev); - struct flexcan_regs __iomem *regs = priv->regs; -diff --git a/drivers/net/can/janz-ican3.c b/drivers/net/can/janz-ican3.c -index f13bb8d..26e4a44 100644 ---- a/drivers/net/can/janz-ican3.c -+++ b/drivers/net/can/janz-ican3.c -@@ -1684,7 +1684,7 @@ static int ican3_stop(struct net_device *ndev) - return 0; - } - --static int ican3_xmit(struct sk_buff *skb, struct net_device *ndev) -+static netdev_tx_t ican3_xmit(struct sk_buff *skb, struct net_device *ndev) - { - struct ican3_dev *mod = netdev_priv(ndev); - struct can_frame *cf = (struct can_frame *)skb->data; -diff --git a/drivers/net/can/led.c b/drivers/net/can/led.c -index c1b6676..50a8a51 100644 ---- a/drivers/net/can/led.c -+++ b/drivers/net/can/led.c -@@ -128,7 +128,7 @@ static int can_led_notifier(struct notifier_block *nb, unsigned long msg, - } - - /* notifier block for netdevice event */ --static struct notifier_block can_netdev_notifier __read_mostly = { -+static struct notifier_block can_netdev_notifier = { - .notifier_call = can_led_notifier, - }; - -diff --git a/drivers/net/can/sun4i_can.c b/drivers/net/can/sun4i_can.c -index 68ef0a4..9e4938b 100644 ---- a/drivers/net/can/sun4i_can.c -+++ b/drivers/net/can/sun4i_can.c -@@ -409,7 +409,7 @@ static int sun4ican_set_mode(struct net_device *dev, enum can_mode mode) - * xx xx xx xx ff ll 00 11 22 33 44 55 66 77 - * [ can_id ] [flags] [len] [can data (up to 8 bytes] - */ --static int sun4ican_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t sun4ican_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct sun4ican_priv *priv = netdev_priv(dev); - struct can_frame *cf = (struct can_frame *)skb->data; -diff --git a/drivers/net/can/vcan.c b/drivers/net/can/vcan.c -index 674f367..ec3a31f 100644 ---- a/drivers/net/can/vcan.c -+++ b/drivers/net/can/vcan.c -@@ -163,7 +163,7 @@ static void vcan_setup(struct net_device *dev) - dev->destructor = free_netdev; - } - --static struct rtnl_link_ops vcan_link_ops __read_mostly = { -+static struct rtnl_link_ops vcan_link_ops = { - .kind = "vcan", - .setup = vcan_setup, - }; -diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c -index c71a035..08768ce 100644 ---- a/drivers/net/can/xilinx_can.c -+++ b/drivers/net/can/xilinx_can.c -@@ -386,7 +386,7 @@ static int xcan_do_set_mode(struct net_device *ndev, enum can_mode mode) - * - * Return: 0 on success and failure value on error - */ --static int xcan_start_xmit(struct sk_buff *skb, struct net_device *ndev) -+static netdev_tx_t xcan_start_xmit(struct sk_buff *skb, struct net_device *ndev) - { - struct xcan_priv *priv = netdev_priv(ndev); - struct net_device_stats *stats = &ndev->stats; -diff --git a/drivers/net/dummy.c b/drivers/net/dummy.c -index 69fc840..77a32fc 100644 ---- a/drivers/net/dummy.c -+++ b/drivers/net/dummy.c -@@ -167,7 +167,7 @@ static int dummy_validate(struct nlattr *tb[], struct nlattr *data[]) - return 0; - } - --static struct rtnl_link_ops dummy_link_ops __read_mostly = { -+static struct rtnl_link_ops dummy_link_ops = { - .kind = DRV_NAME, - .setup = dummy_setup, - .validate = dummy_validate, -diff --git a/drivers/net/ethernet/8390/ax88796.c b/drivers/net/ethernet/8390/ax88796.c -index 39ca935..bd14a10 100644 ---- a/drivers/net/ethernet/8390/ax88796.c -+++ b/drivers/net/ethernet/8390/ax88796.c -@@ -808,7 +808,7 @@ static int ax_probe(struct platform_device *pdev) - struct ei_device *ei_local; - struct ax_device *ax; - struct resource *irq, *mem, *mem2; -- unsigned long mem_size, mem2_size = 0; -+ resource_size_t mem_size, mem2_size = 0; - int ret = 0; - - dev = ax__alloc_ei_netdev(sizeof(struct ax_device)); -@@ -852,9 +852,11 @@ static int ax_probe(struct platform_device *pdev) - if (ax->plat->reg_offsets) - ei_local->reg_offset = ax->plat->reg_offsets; - else { -+ resource_size_t _mem_size = mem_size; -+ _mem_size /= 0x18; - ei_local->reg_offset = ax->reg_offsets; - for (ret = 0; ret < 0x18; ret++) -- ax->reg_offsets[ret] = (mem_size / 0x18) * ret; -+ ax->reg_offsets[ret] = _mem_size * ret; - } - - if (!request_mem_region(mem->start, mem_size, pdev->name)) { -diff --git a/drivers/net/ethernet/8390/axnet_cs.c b/drivers/net/ethernet/8390/axnet_cs.c -index 4ea717d..549ae69 100644 ---- a/drivers/net/ethernet/8390/axnet_cs.c -+++ b/drivers/net/ethernet/8390/axnet_cs.c -@@ -96,7 +96,7 @@ static void get_8390_hdr(struct net_device *, - static void block_input(struct net_device *dev, int count, - struct sk_buff *skb, int ring_offset); - static void block_output(struct net_device *dev, int count, -- const u_char *buf, const int start_page); -+ const u_char *buf, int start_page); - - static void axnet_detach(struct pcmcia_device *p_dev); - -@@ -667,7 +667,7 @@ static void block_input(struct net_device *dev, int count, - /*====================================================================*/ - - static void block_output(struct net_device *dev, int count, -- const u_char *buf, const int start_page) -+ const u_char *buf, int start_page) - { - unsigned int nic_base = dev->base_addr; - -diff --git a/drivers/net/ethernet/8390/ne2k-pci.c b/drivers/net/ethernet/8390/ne2k-pci.c -index 57e9791..c93b6a0 100644 ---- a/drivers/net/ethernet/8390/ne2k-pci.c -+++ b/drivers/net/ethernet/8390/ne2k-pci.c -@@ -172,8 +172,8 @@ static void ne2k_pci_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr * - int ring_page); - static void ne2k_pci_block_input(struct net_device *dev, int count, - struct sk_buff *skb, int ring_offset); --static void ne2k_pci_block_output(struct net_device *dev, const int count, -- const unsigned char *buf, const int start_page); -+static void ne2k_pci_block_output(struct net_device *dev, int count, -+ const unsigned char *buf, int start_page); - static const struct ethtool_ops ne2k_pci_ethtool_ops; - - -@@ -563,7 +563,7 @@ static void ne2k_pci_block_input(struct net_device *dev, int count, - } - - static void ne2k_pci_block_output(struct net_device *dev, int count, -- const unsigned char *buf, const int start_page) -+ const unsigned char *buf, int start_page) - { - long nic_base = NE_BASE; - unsigned long dma_start; -diff --git a/drivers/net/ethernet/8390/pcnet_cs.c b/drivers/net/ethernet/8390/pcnet_cs.c -index 2f79d29..ed5a64e 100644 ---- a/drivers/net/ethernet/8390/pcnet_cs.c -+++ b/drivers/net/ethernet/8390/pcnet_cs.c -@@ -1208,7 +1208,7 @@ static void dma_block_input(struct net_device *dev, int count, - /*====================================================================*/ - - static void dma_block_output(struct net_device *dev, int count, -- const u_char *buf, const int start_page) -+ const u_char *buf, int start_page) - { - unsigned int nic_base = dev->base_addr; - struct pcnet_dev *info = PRIV(dev); -@@ -1387,7 +1387,7 @@ static void shmem_block_input(struct net_device *dev, int count, - /*====================================================================*/ - - static void shmem_block_output(struct net_device *dev, int count, -- const u_char *buf, const int start_page) -+ const u_char *buf, int start_page) - { - void __iomem *shmem = ei_status.mem + (start_page << 8); - shmem -= ei_status.tx_start_page << 8; -diff --git a/drivers/net/ethernet/adi/bfin_mac.c b/drivers/net/ethernet/adi/bfin_mac.c -index 00f9ee3..dfc62ea 100644 ---- a/drivers/net/ethernet/adi/bfin_mac.c -+++ b/drivers/net/ethernet/adi/bfin_mac.c -@@ -1097,7 +1097,7 @@ static void tx_reclaim_skb_timeout(unsigned long lp) - tx_reclaim_skb((struct bfin_mac_local *)lp); - } - --static int bfin_mac_hard_start_xmit(struct sk_buff *skb, -+static netdev_tx_t bfin_mac_hard_start_xmit(struct sk_buff *skb, - struct net_device *dev) - { - struct bfin_mac_local *lp = netdev_priv(dev); -diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c -index 6ffdff6..8b96f60 100644 ---- a/drivers/net/ethernet/allwinner/sun4i-emac.c -+++ b/drivers/net/ethernet/allwinner/sun4i-emac.c -@@ -412,7 +412,7 @@ static void emac_timeout(struct net_device *dev) - /* Hardware start transmission. - * Send a packet to media from the upper layer. - */ --static int emac_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t emac_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct emac_board_info *db = netdev_priv(dev); - unsigned long channel; -diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c -index a0eee72..9af876b 100644 ---- a/drivers/net/ethernet/altera/altera_tse_main.c -+++ b/drivers/net/ethernet/altera/altera_tse_main.c -@@ -543,7 +543,7 @@ static irqreturn_t altera_isr(int irq, void *dev_id) - * physically contiguous fragment starting at - * skb->data, for length of skb_headlen(skb). - */ --static int tse_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t tse_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct altera_tse_private *priv = netdev_priv(dev); - unsigned int txsize = priv->tx_ring_size; -@@ -1233,7 +1233,7 @@ static int tse_shutdown(struct net_device *dev) - return 0; - } - --static struct net_device_ops altera_tse_netdev_ops = { -+static net_device_ops_no_const altera_tse_netdev_ops __read_only = { - .ndo_open = tse_open, - .ndo_stop = tse_shutdown, - .ndo_start_xmit = tse_start_xmit, -@@ -1470,11 +1470,13 @@ static int altera_tse_probe(struct platform_device *pdev) - ndev->netdev_ops = &altera_tse_netdev_ops; - altera_tse_set_ethtool_ops(ndev); - -+ pax_open_kernel(); - altera_tse_netdev_ops.ndo_set_rx_mode = tse_set_rx_mode; - - if (priv->hash_filter) - altera_tse_netdev_ops.ndo_set_rx_mode = - tse_set_rx_mode_hashfilter; -+ pax_close_kernel(); - - /* Scatter/gather IO is not supported, - * so it is turned off -diff --git a/drivers/net/ethernet/amd/7990.c b/drivers/net/ethernet/amd/7990.c -index dc57f27..4f8eae5 100644 ---- a/drivers/net/ethernet/amd/7990.c -+++ b/drivers/net/ethernet/amd/7990.c -@@ -535,7 +535,7 @@ void lance_tx_timeout(struct net_device *dev) - } - EXPORT_SYMBOL_GPL(lance_tx_timeout); - --int lance_start_xmit(struct sk_buff *skb, struct net_device *dev) -+netdev_tx_t lance_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct lance_private *lp = netdev_priv(dev); - volatile struct lance_init_block *ib = lp->init_block; -diff --git a/drivers/net/ethernet/amd/7990.h b/drivers/net/ethernet/amd/7990.h -index e9e0be3..1b8e3af 100644 ---- a/drivers/net/ethernet/amd/7990.h -+++ b/drivers/net/ethernet/amd/7990.h -@@ -240,7 +240,7 @@ struct lance_private { - /* Now the prototypes we export */ - int lance_open(struct net_device *dev); - int lance_close(struct net_device *dev); --int lance_start_xmit(struct sk_buff *skb, struct net_device *dev); -+netdev_tx_t lance_start_xmit(struct sk_buff *skb, struct net_device *dev); - void lance_set_multicast(struct net_device *dev); - void lance_tx_timeout(struct net_device *dev); - #ifdef CONFIG_NET_POLL_CONTROLLER -diff --git a/drivers/net/ethernet/amd/amd8111e.c b/drivers/net/ethernet/amd/amd8111e.c -index f92cc971..e357b9b 100644 ---- a/drivers/net/ethernet/amd/amd8111e.c -+++ b/drivers/net/ethernet/amd/amd8111e.c -@@ -1690,8 +1690,9 @@ static int amd8111e_resume(struct pci_dev *pci_dev) - return 0; - } - --static void amd8111e_config_ipg(struct net_device *dev) -+static void amd8111e_config_ipg(unsigned long _dev) - { -+ struct net_device *dev = (struct net_device *)_dev; - struct amd8111e_priv *lp = netdev_priv(dev); - struct ipg_info *ipg_data = &lp->ipg_data; - void __iomem *mmio = lp->mmio; -@@ -1904,7 +1905,7 @@ static int amd8111e_probe_one(struct pci_dev *pdev, - if(lp->options & OPTION_DYN_IPG_ENABLE){ - init_timer(&lp->ipg_data.ipg_timer); - lp->ipg_data.ipg_timer.data = (unsigned long) dev; -- lp->ipg_data.ipg_timer.function = (void *)&amd8111e_config_ipg; -+ lp->ipg_data.ipg_timer.function = &amd8111e_config_ipg; - lp->ipg_data.ipg_timer.expires = jiffies + - IPG_CONVERGE_JIFFIES; - lp->ipg_data.ipg = DEFAULT_IPG; -diff --git a/drivers/net/ethernet/amd/atarilance.c b/drivers/net/ethernet/amd/atarilance.c -index d2bc8e5..2285a75 100644 ---- a/drivers/net/ethernet/amd/atarilance.c -+++ b/drivers/net/ethernet/amd/atarilance.c -@@ -339,7 +339,7 @@ static unsigned long lance_probe1( struct net_device *dev, struct lance_addr - *init_rec ); - static int lance_open( struct net_device *dev ); - static void lance_init_ring( struct net_device *dev ); --static int lance_start_xmit( struct sk_buff *skb, struct net_device *dev ); -+static netdev_tx_t lance_start_xmit( struct sk_buff *skb, struct net_device *dev ); - static irqreturn_t lance_interrupt( int irq, void *dev_id ); - static int lance_rx( struct net_device *dev ); - static int lance_close( struct net_device *dev ); -@@ -770,7 +770,7 @@ static void lance_tx_timeout (struct net_device *dev) - - /* XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX */ - --static int lance_start_xmit( struct sk_buff *skb, struct net_device *dev ) -+static netdev_tx_t lance_start_xmit( struct sk_buff *skb, struct net_device *dev ) - { - struct lance_private *lp = netdev_priv(dev); - struct lance_ioreg *IO = lp->iobase; -diff --git a/drivers/net/ethernet/amd/declance.c b/drivers/net/ethernet/amd/declance.c -index b799c7a..58bd5b3 100644 ---- a/drivers/net/ethernet/amd/declance.c -+++ b/drivers/net/ethernet/amd/declance.c -@@ -893,7 +893,7 @@ static void lance_tx_timeout(struct net_device *dev) - netif_wake_queue(dev); - } - --static int lance_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t lance_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct lance_private *lp = netdev_priv(dev); - volatile struct lance_regs *ll = lp->ll; -diff --git a/drivers/net/ethernet/amd/pcnet32.c b/drivers/net/ethernet/amd/pcnet32.c -index c22bf52..a83f5f6 100644 ---- a/drivers/net/ethernet/amd/pcnet32.c -+++ b/drivers/net/ethernet/amd/pcnet32.c -@@ -318,7 +318,7 @@ static struct net_device_stats *pcnet32_get_stats(struct net_device *); - static void pcnet32_load_multicast(struct net_device *dev); - static void pcnet32_set_multicast_list(struct net_device *); - static int pcnet32_ioctl(struct net_device *, struct ifreq *, int); --static void pcnet32_watchdog(struct net_device *); -+static void pcnet32_watchdog(unsigned long); - static int mdio_read(struct net_device *dev, int phy_id, int reg_num); - static void mdio_write(struct net_device *dev, int phy_id, int reg_num, - int val); -@@ -1915,7 +1915,7 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) - - init_timer(&lp->watchdog_timer); - lp->watchdog_timer.data = (unsigned long)dev; -- lp->watchdog_timer.function = (void *)&pcnet32_watchdog; -+ lp->watchdog_timer.function = &pcnet32_watchdog; - - /* The PCNET32-specific entries in the device structure. */ - dev->netdev_ops = &pcnet32_netdev_ops; -@@ -2837,8 +2837,9 @@ static void pcnet32_check_media(struct net_device *dev, int verbose) - * Could possibly be changed to use mii_check_media instead. - */ - --static void pcnet32_watchdog(struct net_device *dev) -+static void pcnet32_watchdog(unsigned long _dev) - { -+ struct net_device *dev = (struct net_device *)_dev; - struct pcnet32_private *lp = netdev_priv(dev); - unsigned long flags; - -diff --git a/drivers/net/ethernet/amd/sun3lance.c b/drivers/net/ethernet/amd/sun3lance.c -index 3d8c6b2..35160ad 100644 ---- a/drivers/net/ethernet/amd/sun3lance.c -+++ b/drivers/net/ethernet/amd/sun3lance.c -@@ -235,7 +235,7 @@ struct lance_private { - static int lance_probe( struct net_device *dev); - static int lance_open( struct net_device *dev ); - static void lance_init_ring( struct net_device *dev ); --static int lance_start_xmit( struct sk_buff *skb, struct net_device *dev ); -+static netdev_tx_t lance_start_xmit( struct sk_buff *skb, struct net_device *dev ); - static irqreturn_t lance_interrupt( int irq, void *dev_id); - static int lance_rx( struct net_device *dev ); - static int lance_close( struct net_device *dev ); -@@ -511,7 +511,7 @@ static void lance_init_ring( struct net_device *dev ) - } - - --static int lance_start_xmit( struct sk_buff *skb, struct net_device *dev ) -+static netdev_tx_t lance_start_xmit( struct sk_buff *skb, struct net_device *dev ) - { - struct lance_private *lp = netdev_priv(dev); - int entry, len; -diff --git a/drivers/net/ethernet/amd/sunlance.c b/drivers/net/ethernet/amd/sunlance.c -index 9b56b40..f183a4d 100644 ---- a/drivers/net/ethernet/amd/sunlance.c -+++ b/drivers/net/ethernet/amd/sunlance.c -@@ -1106,7 +1106,7 @@ static void lance_tx_timeout(struct net_device *dev) - netif_wake_queue(dev); - } - --static int lance_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t lance_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct lance_private *lp = netdev_priv(dev); - int entry, skblen, len; -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-common.h b/drivers/net/ethernet/amd/xgbe/xgbe-common.h -index 1592e1c..26df6c5 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-common.h -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-common.h -@@ -1285,14 +1285,14 @@ do { \ - * operations, everything works on mask values. - */ - #define XMDIO_READ(_pdata, _mmd, _reg) \ -- ((_pdata)->hw_if.read_mmd_regs((_pdata), 0, \ -+ ((_pdata)->hw_if->read_mmd_regs((_pdata), 0, \ - MII_ADDR_C45 | (_mmd << 16) | ((_reg) & 0xffff))) - - #define XMDIO_READ_BITS(_pdata, _mmd, _reg, _mask) \ - (XMDIO_READ((_pdata), _mmd, _reg) & _mask) - - #define XMDIO_WRITE(_pdata, _mmd, _reg, _val) \ -- ((_pdata)->hw_if.write_mmd_regs((_pdata), 0, \ -+ ((_pdata)->hw_if->write_mmd_regs((_pdata), 0, \ - MII_ADDR_C45 | (_mmd << 16) | ((_reg) & 0xffff), (_val))) - - #define XMDIO_WRITE_BITS(_pdata, _mmd, _reg, _mask, _val) \ -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dcb.c b/drivers/net/ethernet/amd/xgbe/xgbe-dcb.c -index 895d356..b1c866e 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-dcb.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-dcb.c -@@ -202,7 +202,7 @@ static int xgbe_dcb_ieee_setets(struct net_device *netdev, - pdata->num_tcs = max_tc + 1; - memcpy(pdata->ets, ets, sizeof(*pdata->ets)); - -- pdata->hw_if.config_dcb_tc(pdata); -+ pdata->hw_if->config_dcb_tc(pdata); - - return 0; - } -@@ -249,7 +249,7 @@ static int xgbe_dcb_ieee_setpfc(struct net_device *netdev, - - memcpy(pdata->pfc, pfc, sizeof(*pdata->pfc)); - -- pdata->hw_if.config_dcb_pfc(pdata); -+ pdata->hw_if->config_dcb_pfc(pdata); - - return 0; - } -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c -index b3bc87f..5bdfdd3 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c -@@ -353,7 +353,7 @@ static int xgbe_map_rx_buffer(struct xgbe_prv_data *pdata, - - static void xgbe_wrapper_tx_descriptor_init(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct xgbe_channel *channel; - struct xgbe_ring *ring; - struct xgbe_ring_data *rdata; -@@ -394,7 +394,7 @@ static void xgbe_wrapper_tx_descriptor_init(struct xgbe_prv_data *pdata) - - static void xgbe_wrapper_rx_descriptor_init(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct xgbe_channel *channel; - struct xgbe_ring *ring; - struct xgbe_ring_desc *rdesc; -@@ -628,17 +628,12 @@ static int xgbe_map_tx_skb(struct xgbe_channel *channel, struct sk_buff *skb) - return 0; - } - --void xgbe_init_function_ptrs_desc(struct xgbe_desc_if *desc_if) --{ -- DBGPR("-->xgbe_init_function_ptrs_desc\n"); -- -- desc_if->alloc_ring_resources = xgbe_alloc_ring_resources; -- desc_if->free_ring_resources = xgbe_free_ring_resources; -- desc_if->map_tx_skb = xgbe_map_tx_skb; -- desc_if->map_rx_buffer = xgbe_map_rx_buffer; -- desc_if->unmap_rdata = xgbe_unmap_rdata; -- desc_if->wrapper_tx_desc_init = xgbe_wrapper_tx_descriptor_init; -- desc_if->wrapper_rx_desc_init = xgbe_wrapper_rx_descriptor_init; -- -- DBGPR("<--xgbe_init_function_ptrs_desc\n"); --} -+const struct xgbe_desc_if default_xgbe_desc_if = { -+ .alloc_ring_resources = xgbe_alloc_ring_resources, -+ .free_ring_resources = xgbe_free_ring_resources, -+ .map_tx_skb = xgbe_map_tx_skb, -+ .map_rx_buffer = xgbe_map_rx_buffer, -+ .unmap_rdata = xgbe_unmap_rdata, -+ .wrapper_tx_desc_init = xgbe_wrapper_tx_descriptor_init, -+ .wrapper_rx_desc_init = xgbe_wrapper_rx_descriptor_init, -+}; -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c -index ca106d4..36c4702 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c -@@ -2818,7 +2818,7 @@ static void xgbe_powerdown_rx(struct xgbe_prv_data *pdata) - - static int xgbe_init(struct xgbe_prv_data *pdata) - { -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - int ret; - - DBGPR("-->xgbe_init\n"); -@@ -2884,107 +2884,102 @@ static int xgbe_init(struct xgbe_prv_data *pdata) - return 0; - } - --void xgbe_init_function_ptrs_dev(struct xgbe_hw_if *hw_if) --{ -- DBGPR("-->xgbe_init_function_ptrs\n"); -- -- hw_if->tx_complete = xgbe_tx_complete; -- -- hw_if->set_mac_address = xgbe_set_mac_address; -- hw_if->config_rx_mode = xgbe_config_rx_mode; -- -- hw_if->enable_rx_csum = xgbe_enable_rx_csum; -- hw_if->disable_rx_csum = xgbe_disable_rx_csum; -- -- hw_if->enable_rx_vlan_stripping = xgbe_enable_rx_vlan_stripping; -- hw_if->disable_rx_vlan_stripping = xgbe_disable_rx_vlan_stripping; -- hw_if->enable_rx_vlan_filtering = xgbe_enable_rx_vlan_filtering; -- hw_if->disable_rx_vlan_filtering = xgbe_disable_rx_vlan_filtering; -- hw_if->update_vlan_hash_table = xgbe_update_vlan_hash_table; -- -- hw_if->read_mmd_regs = xgbe_read_mmd_regs; -- hw_if->write_mmd_regs = xgbe_write_mmd_regs; -- -- hw_if->set_gmii_speed = xgbe_set_gmii_speed; -- hw_if->set_gmii_2500_speed = xgbe_set_gmii_2500_speed; -- hw_if->set_xgmii_speed = xgbe_set_xgmii_speed; -- -- hw_if->enable_tx = xgbe_enable_tx; -- hw_if->disable_tx = xgbe_disable_tx; -- hw_if->enable_rx = xgbe_enable_rx; -- hw_if->disable_rx = xgbe_disable_rx; -- -- hw_if->powerup_tx = xgbe_powerup_tx; -- hw_if->powerdown_tx = xgbe_powerdown_tx; -- hw_if->powerup_rx = xgbe_powerup_rx; -- hw_if->powerdown_rx = xgbe_powerdown_rx; -- -- hw_if->dev_xmit = xgbe_dev_xmit; -- hw_if->dev_read = xgbe_dev_read; -- hw_if->enable_int = xgbe_enable_int; -- hw_if->disable_int = xgbe_disable_int; -- hw_if->init = xgbe_init; -- hw_if->exit = xgbe_exit; -+const struct xgbe_hw_if default_xgbe_hw_if = { -+ .tx_complete = xgbe_tx_complete, -+ -+ .set_mac_address = xgbe_set_mac_address, -+ .config_rx_mode = xgbe_config_rx_mode, -+ -+ .enable_rx_csum = xgbe_enable_rx_csum, -+ .disable_rx_csum = xgbe_disable_rx_csum, -+ -+ .enable_rx_vlan_stripping = xgbe_enable_rx_vlan_stripping, -+ .disable_rx_vlan_stripping = xgbe_disable_rx_vlan_stripping, -+ .enable_rx_vlan_filtering = xgbe_enable_rx_vlan_filtering, -+ .disable_rx_vlan_filtering = xgbe_disable_rx_vlan_filtering, -+ .update_vlan_hash_table = xgbe_update_vlan_hash_table, -+ -+ .read_mmd_regs = xgbe_read_mmd_regs, -+ .write_mmd_regs = xgbe_write_mmd_regs, -+ -+ .set_gmii_speed = xgbe_set_gmii_speed, -+ .set_gmii_2500_speed = xgbe_set_gmii_2500_speed, -+ .set_xgmii_speed = xgbe_set_xgmii_speed, -+ -+ .enable_tx = xgbe_enable_tx, -+ .disable_tx = xgbe_disable_tx, -+ .enable_rx = xgbe_enable_rx, -+ .disable_rx = xgbe_disable_rx, -+ -+ .powerup_tx = xgbe_powerup_tx, -+ .powerdown_tx = xgbe_powerdown_tx, -+ .powerup_rx = xgbe_powerup_rx, -+ .powerdown_rx = xgbe_powerdown_rx, -+ -+ .dev_xmit = xgbe_dev_xmit, -+ .dev_read = xgbe_dev_read, -+ .enable_int = xgbe_enable_int, -+ .disable_int = xgbe_disable_int, -+ .init = xgbe_init, -+ .exit = xgbe_exit, - - /* Descriptor related Sequences have to be initialized here */ -- hw_if->tx_desc_init = xgbe_tx_desc_init; -- hw_if->rx_desc_init = xgbe_rx_desc_init; -- hw_if->tx_desc_reset = xgbe_tx_desc_reset; -- hw_if->rx_desc_reset = xgbe_rx_desc_reset; -- hw_if->is_last_desc = xgbe_is_last_desc; -- hw_if->is_context_desc = xgbe_is_context_desc; -- hw_if->tx_start_xmit = xgbe_tx_start_xmit; -+ .tx_desc_init = xgbe_tx_desc_init, -+ .rx_desc_init = xgbe_rx_desc_init, -+ .tx_desc_reset = xgbe_tx_desc_reset, -+ .rx_desc_reset = xgbe_rx_desc_reset, -+ .is_last_desc = xgbe_is_last_desc, -+ .is_context_desc = xgbe_is_context_desc, -+ .tx_start_xmit = xgbe_tx_start_xmit, - - /* For FLOW ctrl */ -- hw_if->config_tx_flow_control = xgbe_config_tx_flow_control; -- hw_if->config_rx_flow_control = xgbe_config_rx_flow_control; -+ .config_tx_flow_control = xgbe_config_tx_flow_control, -+ .config_rx_flow_control = xgbe_config_rx_flow_control, - - /* For RX coalescing */ -- hw_if->config_rx_coalesce = xgbe_config_rx_coalesce; -- hw_if->config_tx_coalesce = xgbe_config_tx_coalesce; -- hw_if->usec_to_riwt = xgbe_usec_to_riwt; -- hw_if->riwt_to_usec = xgbe_riwt_to_usec; -+ .config_rx_coalesce = xgbe_config_rx_coalesce, -+ .config_tx_coalesce = xgbe_config_tx_coalesce, -+ .usec_to_riwt = xgbe_usec_to_riwt, -+ .riwt_to_usec = xgbe_riwt_to_usec, - - /* For RX and TX threshold config */ -- hw_if->config_rx_threshold = xgbe_config_rx_threshold; -- hw_if->config_tx_threshold = xgbe_config_tx_threshold; -+ .config_rx_threshold = xgbe_config_rx_threshold, -+ .config_tx_threshold = xgbe_config_tx_threshold, - - /* For RX and TX Store and Forward Mode config */ -- hw_if->config_rsf_mode = xgbe_config_rsf_mode; -- hw_if->config_tsf_mode = xgbe_config_tsf_mode; -+ .config_rsf_mode = xgbe_config_rsf_mode, -+ .config_tsf_mode = xgbe_config_tsf_mode, - - /* For TX DMA Operating on Second Frame config */ -- hw_if->config_osp_mode = xgbe_config_osp_mode; -+ .config_osp_mode = xgbe_config_osp_mode, - - /* For RX and TX PBL config */ -- hw_if->config_rx_pbl_val = xgbe_config_rx_pbl_val; -- hw_if->get_rx_pbl_val = xgbe_get_rx_pbl_val; -- hw_if->config_tx_pbl_val = xgbe_config_tx_pbl_val; -- hw_if->get_tx_pbl_val = xgbe_get_tx_pbl_val; -- hw_if->config_pblx8 = xgbe_config_pblx8; -+ .config_rx_pbl_val = xgbe_config_rx_pbl_val, -+ .get_rx_pbl_val = xgbe_get_rx_pbl_val, -+ .config_tx_pbl_val = xgbe_config_tx_pbl_val, -+ .get_tx_pbl_val = xgbe_get_tx_pbl_val, -+ .config_pblx8 = xgbe_config_pblx8, - - /* For MMC statistics support */ -- hw_if->tx_mmc_int = xgbe_tx_mmc_int; -- hw_if->rx_mmc_int = xgbe_rx_mmc_int; -- hw_if->read_mmc_stats = xgbe_read_mmc_stats; -+ .tx_mmc_int = xgbe_tx_mmc_int, -+ .rx_mmc_int = xgbe_rx_mmc_int, -+ .read_mmc_stats = xgbe_read_mmc_stats, - - /* For PTP config */ -- hw_if->config_tstamp = xgbe_config_tstamp; -- hw_if->update_tstamp_addend = xgbe_update_tstamp_addend; -- hw_if->set_tstamp_time = xgbe_set_tstamp_time; -- hw_if->get_tstamp_time = xgbe_get_tstamp_time; -- hw_if->get_tx_tstamp = xgbe_get_tx_tstamp; -+ .config_tstamp = xgbe_config_tstamp, -+ .update_tstamp_addend = xgbe_update_tstamp_addend, -+ .set_tstamp_time = xgbe_set_tstamp_time, -+ .get_tstamp_time = xgbe_get_tstamp_time, -+ .get_tx_tstamp = xgbe_get_tx_tstamp, - - /* For Data Center Bridging config */ -- hw_if->config_tc = xgbe_config_tc; -- hw_if->config_dcb_tc = xgbe_config_dcb_tc; -- hw_if->config_dcb_pfc = xgbe_config_dcb_pfc; -+ .config_tc = xgbe_config_tc, -+ .config_dcb_tc = xgbe_config_dcb_tc, -+ .config_dcb_pfc = xgbe_config_dcb_pfc, - - /* For Receive Side Scaling */ -- hw_if->enable_rss = xgbe_enable_rss; -- hw_if->disable_rss = xgbe_disable_rss; -- hw_if->set_rss_hash_key = xgbe_set_rss_hash_key; -- hw_if->set_rss_lookup_table = xgbe_set_rss_lookup_table; -- -- DBGPR("<--xgbe_init_function_ptrs\n"); --} -+ .enable_rss = xgbe_enable_rss, -+ .disable_rss = xgbe_disable_rss, -+ .set_rss_hash_key = xgbe_set_rss_hash_key, -+ .set_rss_lookup_table = xgbe_set_rss_lookup_table, -+}; -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c -index 0f0f3014..882be95 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c -@@ -245,7 +245,7 @@ static int xgbe_maybe_stop_tx_queue(struct xgbe_channel *channel, - * support, tell it now - */ - if (ring->tx.xmit_more) -- pdata->hw_if.tx_start_xmit(channel, ring); -+ pdata->hw_if->tx_start_xmit(channel, ring); - - return NETDEV_TX_BUSY; - } -@@ -273,7 +273,7 @@ static int xgbe_calc_rx_buf_size(struct net_device *netdev, unsigned int mtu) - - static void xgbe_enable_rx_tx_ints(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct xgbe_channel *channel; - enum xgbe_int int_id; - unsigned int i; -@@ -295,7 +295,7 @@ static void xgbe_enable_rx_tx_ints(struct xgbe_prv_data *pdata) - - static void xgbe_disable_rx_tx_ints(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct xgbe_channel *channel; - enum xgbe_int int_id; - unsigned int i; -@@ -318,7 +318,7 @@ static void xgbe_disable_rx_tx_ints(struct xgbe_prv_data *pdata) - static irqreturn_t xgbe_isr(int irq, void *data) - { - struct xgbe_prv_data *pdata = data; -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct xgbe_channel *channel; - unsigned int dma_isr, dma_ch_isr; - unsigned int mac_isr, mac_tssr; -@@ -447,7 +447,7 @@ static void xgbe_service(struct work_struct *work) - struct xgbe_prv_data, - service_work); - -- pdata->phy_if.phy_status(pdata); -+ pdata->phy_if->phy_status(pdata); - } - - static void xgbe_service_timer(unsigned long data) -@@ -706,7 +706,7 @@ static void xgbe_free_irqs(struct xgbe_prv_data *pdata) - - void xgbe_init_tx_coalesce(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - - DBGPR("-->xgbe_init_tx_coalesce\n"); - -@@ -720,7 +720,7 @@ void xgbe_init_tx_coalesce(struct xgbe_prv_data *pdata) - - void xgbe_init_rx_coalesce(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - - DBGPR("-->xgbe_init_rx_coalesce\n"); - -@@ -735,7 +735,7 @@ void xgbe_init_rx_coalesce(struct xgbe_prv_data *pdata) - - static void xgbe_free_tx_data(struct xgbe_prv_data *pdata) - { -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - struct xgbe_channel *channel; - struct xgbe_ring *ring; - struct xgbe_ring_data *rdata; -@@ -760,7 +760,7 @@ static void xgbe_free_tx_data(struct xgbe_prv_data *pdata) - - static void xgbe_free_rx_data(struct xgbe_prv_data *pdata) - { -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - struct xgbe_channel *channel; - struct xgbe_ring *ring; - struct xgbe_ring_data *rdata; -@@ -788,13 +788,13 @@ static int xgbe_phy_init(struct xgbe_prv_data *pdata) - pdata->phy_link = -1; - pdata->phy_speed = SPEED_UNKNOWN; - -- return pdata->phy_if.phy_reset(pdata); -+ return pdata->phy_if->phy_reset(pdata); - } - - int xgbe_powerdown(struct net_device *netdev, unsigned int caller) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - unsigned long flags; - - DBGPR("-->xgbe_powerdown\n"); -@@ -833,7 +833,7 @@ int xgbe_powerdown(struct net_device *netdev, unsigned int caller) - int xgbe_powerup(struct net_device *netdev, unsigned int caller) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - unsigned long flags; - - DBGPR("-->xgbe_powerup\n"); -@@ -870,8 +870,8 @@ int xgbe_powerup(struct net_device *netdev, unsigned int caller) - - static int xgbe_start(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -- struct xgbe_phy_if *phy_if = &pdata->phy_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; -+ struct xgbe_phy_if *phy_if = pdata->phy_if; - struct net_device *netdev = pdata->netdev; - int ret; - -@@ -914,8 +914,8 @@ static int xgbe_start(struct xgbe_prv_data *pdata) - - static void xgbe_stop(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -- struct xgbe_phy_if *phy_if = &pdata->phy_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; -+ struct xgbe_phy_if *phy_if = pdata->phy_if; - struct xgbe_channel *channel; - struct net_device *netdev = pdata->netdev; - struct netdev_queue *txq; -@@ -1143,7 +1143,7 @@ static int xgbe_set_hwtstamp_settings(struct xgbe_prv_data *pdata, - return -ERANGE; - } - -- pdata->hw_if.config_tstamp(pdata, mac_tscr); -+ pdata->hw_if->config_tstamp(pdata, mac_tscr); - - memcpy(&pdata->tstamp_config, &config, sizeof(config)); - -@@ -1292,7 +1292,7 @@ static void xgbe_packet_info(struct xgbe_prv_data *pdata, - static int xgbe_open(struct net_device *netdev) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - int ret; - - DBGPR("-->xgbe_open\n"); -@@ -1364,7 +1364,7 @@ static int xgbe_open(struct net_device *netdev) - static int xgbe_close(struct net_device *netdev) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - - DBGPR("-->xgbe_close\n"); - -@@ -1388,11 +1388,11 @@ static int xgbe_close(struct net_device *netdev) - return 0; - } - --static int xgbe_xmit(struct sk_buff *skb, struct net_device *netdev) -+static netdev_tx_t xgbe_xmit(struct sk_buff *skb, struct net_device *netdev) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - struct xgbe_channel *channel; - struct xgbe_ring *ring; - struct xgbe_packet_data *packet; -@@ -1461,7 +1461,7 @@ static int xgbe_xmit(struct sk_buff *skb, struct net_device *netdev) - static void xgbe_set_rx_mode(struct net_device *netdev) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - - DBGPR("-->xgbe_set_rx_mode\n"); - -@@ -1473,7 +1473,7 @@ static void xgbe_set_rx_mode(struct net_device *netdev) - static int xgbe_set_mac_address(struct net_device *netdev, void *addr) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct sockaddr *saddr = addr; - - DBGPR("-->xgbe_set_mac_address\n"); -@@ -1548,7 +1548,7 @@ static struct rtnl_link_stats64 *xgbe_get_stats64(struct net_device *netdev, - - DBGPR("-->%s\n", __func__); - -- pdata->hw_if.read_mmc_stats(pdata); -+ pdata->hw_if->read_mmc_stats(pdata); - - s->rx_packets = pstats->rxframecount_gb; - s->rx_bytes = pstats->rxoctetcount_gb; -@@ -1575,7 +1575,7 @@ static int xgbe_vlan_rx_add_vid(struct net_device *netdev, __be16 proto, - u16 vid) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - - DBGPR("-->%s\n", __func__); - -@@ -1591,7 +1591,7 @@ static int xgbe_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, - u16 vid) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - - DBGPR("-->%s\n", __func__); - -@@ -1641,7 +1641,7 @@ static int xgbe_setup_tc(struct net_device *netdev, u32 handle, __be16 proto, - return -EINVAL; - - pdata->num_tcs = tc; -- pdata->hw_if.config_tc(pdata); -+ pdata->hw_if->config_tc(pdata); - - return 0; - } -@@ -1650,7 +1650,7 @@ static int xgbe_set_features(struct net_device *netdev, - netdev_features_t features) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - netdev_features_t rxhash, rxcsum, rxvlan, rxvlan_filter; - int ret = 0; - -@@ -1716,8 +1716,8 @@ const struct net_device_ops *xgbe_get_netdev_ops(void) - static void xgbe_rx_refresh(struct xgbe_channel *channel) - { - struct xgbe_prv_data *pdata = channel->pdata; -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - struct xgbe_ring *ring = channel->rx_ring; - struct xgbe_ring_data *rdata; - -@@ -1812,8 +1812,8 @@ static unsigned int xgbe_rx_buf2_len(struct xgbe_ring_data *rdata, - static int xgbe_tx_poll(struct xgbe_channel *channel) - { - struct xgbe_prv_data *pdata = channel->pdata; -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - struct xgbe_ring *ring = channel->tx_ring; - struct xgbe_ring_data *rdata; - struct xgbe_ring_desc *rdesc; -@@ -1883,7 +1883,7 @@ static int xgbe_tx_poll(struct xgbe_channel *channel) - static int xgbe_rx_poll(struct xgbe_channel *channel, int budget) - { - struct xgbe_prv_data *pdata = channel->pdata; -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct xgbe_ring *ring = channel->rx_ring; - struct xgbe_ring_data *rdata; - struct xgbe_packet_data *packet; -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c -index 4007b42..5786161 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c -@@ -206,7 +206,7 @@ static void xgbe_get_ethtool_stats(struct net_device *netdev, - u8 *stat; - int i; - -- pdata->hw_if.read_mmc_stats(pdata); -+ pdata->hw_if->read_mmc_stats(pdata); - for (i = 0; i < XGBE_STATS_COUNT; i++) { - stat = (u8 *)pdata + xgbe_gstring_stats[i].stat_offset; - *data++ = *(u64 *)stat; -@@ -267,7 +267,7 @@ static int xgbe_set_pauseparam(struct net_device *netdev, - pdata->phy.advertising ^= ADVERTISED_Asym_Pause; - - if (netif_running(netdev)) -- ret = pdata->phy_if.phy_config_aneg(pdata); -+ ret = pdata->phy_if->phy_config_aneg(pdata); - - return ret; - } -@@ -368,7 +368,7 @@ static int xgbe_set_settings(struct net_device *netdev, - pdata->phy.advertising &= ~ADVERTISED_Autoneg; - - if (netif_running(netdev)) -- ret = pdata->phy_if.phy_config_aneg(pdata); -+ ret = pdata->phy_if->phy_config_aneg(pdata); - - return ret; - } -@@ -422,7 +422,7 @@ static int xgbe_set_coalesce(struct net_device *netdev, - struct ethtool_coalesce *ec) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - unsigned int rx_frames, rx_riwt, rx_usecs; - unsigned int tx_frames; - -@@ -545,7 +545,7 @@ static int xgbe_set_rxfh(struct net_device *netdev, const u32 *indir, - const u8 *key, const u8 hfunc) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - unsigned int ret; - - if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) { -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-main.c b/drivers/net/ethernet/amd/xgbe/xgbe-main.c -index 4f76351..96d3fb1 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-main.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-main.c -@@ -202,13 +202,6 @@ static void xgbe_default_config(struct xgbe_prv_data *pdata) - DBGPR("<--xgbe_default_config\n"); - } - --static void xgbe_init_all_fptrs(struct xgbe_prv_data *pdata) --{ -- xgbe_init_function_ptrs_dev(&pdata->hw_if); -- xgbe_init_function_ptrs_phy(&pdata->phy_if); -- xgbe_init_function_ptrs_desc(&pdata->desc_if); --} -- - #ifdef CONFIG_ACPI - static int xgbe_acpi_support(struct xgbe_prv_data *pdata) - { -@@ -647,10 +640,12 @@ static int xgbe_probe(struct platform_device *pdev) - memcpy(netdev->dev_addr, pdata->mac_addr, netdev->addr_len); - - /* Set all the function pointers */ -- xgbe_init_all_fptrs(pdata); -+ pdata->hw_if = &default_xgbe_hw_if; -+ pdata->phy_if = &default_xgbe_phy_if; -+ pdata->desc_if = &default_xgbe_desc_if; - - /* Issue software reset to device */ -- pdata->hw_if.exit(pdata); -+ pdata->hw_if->exit(pdata); - - /* Populate the hardware features */ - xgbe_get_all_hw_features(pdata); -@@ -704,7 +699,7 @@ static int xgbe_probe(struct platform_device *pdev) - XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, UDP4TE, 1); - - /* Call MDIO/PHY initialization routine */ -- pdata->phy_if.phy_init(pdata); -+ pdata->phy_if->phy_init(pdata); - - /* Set device operations */ - netdev->netdev_ops = xgbe_get_netdev_ops(); -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c -index 84c5d29..697b4f2 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c -@@ -202,7 +202,7 @@ static void xgbe_xgmii_mode(struct xgbe_prv_data *pdata) - xgbe_an_enable_kr_training(pdata); - - /* Set MAC to 10G speed */ -- pdata->hw_if.set_xgmii_speed(pdata); -+ pdata->hw_if->set_xgmii_speed(pdata); - - /* Set PCS to KR/10G speed */ - reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_CTRL2); -@@ -250,7 +250,7 @@ static void xgbe_gmii_2500_mode(struct xgbe_prv_data *pdata) - xgbe_an_disable_kr_training(pdata); - - /* Set MAC to 2.5G speed */ -- pdata->hw_if.set_gmii_2500_speed(pdata); -+ pdata->hw_if->set_gmii_2500_speed(pdata); - - /* Set PCS to KX/1G speed */ - reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_CTRL2); -@@ -298,7 +298,7 @@ static void xgbe_gmii_mode(struct xgbe_prv_data *pdata) - xgbe_an_disable_kr_training(pdata); - - /* Set MAC to 1G speed */ -- pdata->hw_if.set_gmii_speed(pdata); -+ pdata->hw_if->set_gmii_speed(pdata); - - /* Set PCS to KX/1G speed */ - reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_CTRL2); -@@ -877,13 +877,13 @@ static void xgbe_phy_adjust_link(struct xgbe_prv_data *pdata) - - if (pdata->tx_pause != pdata->phy.tx_pause) { - new_state = 1; -- pdata->hw_if.config_tx_flow_control(pdata); -+ pdata->hw_if->config_tx_flow_control(pdata); - pdata->tx_pause = pdata->phy.tx_pause; - } - - if (pdata->rx_pause != pdata->phy.rx_pause) { - new_state = 1; -- pdata->hw_if.config_rx_flow_control(pdata); -+ pdata->hw_if->config_rx_flow_control(pdata); - pdata->rx_pause = pdata->phy.rx_pause; - } - -@@ -1348,14 +1348,13 @@ static void xgbe_phy_init(struct xgbe_prv_data *pdata) - xgbe_dump_phy_registers(pdata); - } - --void xgbe_init_function_ptrs_phy(struct xgbe_phy_if *phy_if) --{ -- phy_if->phy_init = xgbe_phy_init; -+const struct xgbe_phy_if default_xgbe_phy_if = { -+ .phy_init = xgbe_phy_init, - -- phy_if->phy_reset = xgbe_phy_reset; -- phy_if->phy_start = xgbe_phy_start; -- phy_if->phy_stop = xgbe_phy_stop; -+ .phy_reset = xgbe_phy_reset, -+ .phy_start = xgbe_phy_start, -+ .phy_stop = xgbe_phy_stop, - -- phy_if->phy_status = xgbe_phy_status; -- phy_if->phy_config_aneg = xgbe_phy_config_aneg; --} -+ .phy_status = xgbe_phy_status, -+ .phy_config_aneg = xgbe_phy_config_aneg, -+}; -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c b/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c -index b03e4f5..78e4cc4 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c -@@ -129,7 +129,7 @@ static cycle_t xgbe_cc_read(const struct cyclecounter *cc) - tstamp_cc); - u64 nsec; - -- nsec = pdata->hw_if.get_tstamp_time(pdata); -+ nsec = pdata->hw_if->get_tstamp_time(pdata); - - return nsec; - } -@@ -158,7 +158,7 @@ static int xgbe_adjfreq(struct ptp_clock_info *info, s32 delta) - - spin_lock_irqsave(&pdata->tstamp_lock, flags); - -- pdata->hw_if.update_tstamp_addend(pdata, addend); -+ pdata->hw_if->update_tstamp_addend(pdata, addend); - - spin_unlock_irqrestore(&pdata->tstamp_lock, flags); - -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h -index 5dd17dc..962ff6a 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe.h -+++ b/drivers/net/ethernet/amd/xgbe/xgbe.h -@@ -786,9 +786,9 @@ struct xgbe_prv_data { - int dev_irq; - unsigned int per_channel_irq; - -- struct xgbe_hw_if hw_if; -- struct xgbe_phy_if phy_if; -- struct xgbe_desc_if desc_if; -+ const struct xgbe_hw_if *hw_if; -+ const struct xgbe_phy_if *phy_if; -+ const struct xgbe_desc_if *desc_if; - - /* AXI DMA settings */ - unsigned int coherent; -@@ -951,6 +951,10 @@ struct xgbe_prv_data { - #endif - }; - -+extern const struct xgbe_hw_if default_xgbe_hw_if; -+extern const struct xgbe_phy_if default_xgbe_phy_if; -+extern const struct xgbe_desc_if default_xgbe_desc_if; -+ - /* Function prototypes*/ - - void xgbe_init_function_ptrs_dev(struct xgbe_hw_if *); -diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c -index 8158d46..f22bcfc 100644 ---- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c -+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c -@@ -122,7 +122,7 @@ static void xgene_enet_delete_bufpool(struct xgene_enet_desc_ring *buf_pool) - } - } - --static irqreturn_t xgene_enet_rx_irq(const int irq, void *data) -+static irqreturn_t xgene_enet_rx_irq(int irq, void *data) - { - struct xgene_enet_desc_ring *rx_ring = data; - -@@ -642,7 +642,7 @@ static int xgene_enet_process_ring(struct xgene_enet_desc_ring *ring, - return processed; - } - --static int xgene_enet_napi(struct napi_struct *napi, const int budget) -+static int xgene_enet_napi(struct napi_struct *napi, int budget) - { - struct xgene_enet_desc_ring *ring; - int processed; -diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c -index be865b4..75a6312 100644 ---- a/drivers/net/ethernet/arc/emac_main.c -+++ b/drivers/net/ethernet/arc/emac_main.c -@@ -611,7 +611,7 @@ static struct net_device_stats *arc_emac_stats(struct net_device *ndev) - * - * This function is invoked from upper layers to initiate transmission. - */ --static int arc_emac_tx(struct sk_buff *skb, struct net_device *ndev) -+static netdev_tx_t arc_emac_tx(struct sk_buff *skb, struct net_device *ndev) - { - struct arc_emac_priv *priv = netdev_priv(ndev); - unsigned int len, *txbd_curr = &priv->txbd_curr; -diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c -index c0f84b7..85e1433 100644 ---- a/drivers/net/ethernet/atheros/alx/main.c -+++ b/drivers/net/ethernet/atheros/alx/main.c -@@ -1710,7 +1710,7 @@ static SIMPLE_DEV_PM_OPS(alx_pm_ops, alx_suspend, alx_resume); - - - static pci_ers_result_t alx_pci_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct alx_priv *alx = pci_get_drvdata(pdev); - struct net_device *netdev = alx->dev; -diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c -index a3200ea..d02b523 100644 ---- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c -+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c -@@ -2704,7 +2704,7 @@ static void atl1c_remove(struct pci_dev *pdev) - * this device has been detected. - */ - static pci_ers_result_t atl1c_io_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1c_adapter *adapter = netdev_priv(netdev); -diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c -index 974713b..5e0112b 100644 ---- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c -+++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c -@@ -2475,7 +2475,7 @@ static void atl1e_remove(struct pci_dev *pdev) - * this device has been detected. - */ - static pci_ers_result_t --atl1e_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) -+atl1e_io_error_detected(struct pci_dev *pdev, enum pci_channel_state state) - { - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1e_adapter *adapter = netdev_priv(netdev); -diff --git a/drivers/net/ethernet/aurora/nb8800.c b/drivers/net/ethernet/aurora/nb8800.c -index e078d8d..f588e89 100644 ---- a/drivers/net/ethernet/aurora/nb8800.c -+++ b/drivers/net/ethernet/aurora/nb8800.c -@@ -396,7 +396,7 @@ static void nb8800_tx_dma_start_irq(struct net_device *dev) - spin_unlock(&priv->tx_lock); - } - --static int nb8800_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t nb8800_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct nb8800_priv *priv = netdev_priv(dev); - struct nb8800_tx_desc *txd; -diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.c b/drivers/net/ethernet/broadcom/bcm63xx_enet.c -index 08d91ef..8d85402 100644 ---- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c -+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c -@@ -571,7 +571,7 @@ static irqreturn_t bcm_enet_isr_dma(int irq, void *dev_id) - /* - * tx request callback - */ --static int bcm_enet_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t bcm_enet_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct bcm_enet_priv *priv; - struct bcm_enet_desc *desc; -diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c -index 1f7034d..a5f3bb7 100644 ---- a/drivers/net/ethernet/broadcom/bnx2.c -+++ b/drivers/net/ethernet/broadcom/bnx2.c -@@ -8732,7 +8732,7 @@ static SIMPLE_DEV_PM_OPS(bnx2_pm_ops, bnx2_suspend, bnx2_resume); - * this device has been detected. - */ - static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct net_device *dev = pci_get_drvdata(pdev); - struct bnx2 *bp = netdev_priv(dev); -diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h -index 243cb97..d213a5f 100644 ---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h -+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h -@@ -1125,7 +1125,7 @@ static inline u8 bnx2x_get_path_func_num(struct bnx2x *bp) - static inline void bnx2x_init_bp_objs(struct bnx2x *bp) - { - /* RX_MODE controlling object */ -- bnx2x_init_rx_mode_obj(bp, &bp->rx_mode_obj); -+ bnx2x_init_rx_mode_obj(bp); - - /* multicast configuration controlling object */ - bnx2x_init_mcast_obj(bp, &bp->mcast_obj, bp->fp->cl_id, bp->fp->cid, -diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c -index 1fb8010..0a8dc20 100644 ---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c -+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c -@@ -5621,7 +5621,7 @@ static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy, - return 0; - } - --static int bnx2x_link_settings_status(struct bnx2x_phy *phy, -+static u8 bnx2x_link_settings_status(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) - { -@@ -5695,7 +5695,7 @@ static int bnx2x_link_settings_status(struct bnx2x_phy *phy, - return rc; - } - --static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy, -+static u8 bnx2x_warpcore_read_status(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) - { -@@ -7436,7 +7436,7 @@ static void bnx2x_8073_specific_func(struct bnx2x_phy *phy, - } - } - --static int bnx2x_8073_config_init(struct bnx2x_phy *phy, -+static void bnx2x_8073_config_init(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) - { -@@ -7499,7 +7499,7 @@ static int bnx2x_8073_config_init(struct bnx2x_phy *phy, - if (params->loopback_mode == LOOPBACK_EXT) { - bnx2x_807x_force_10G(bp, phy); - DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n"); -- return 0; -+ return; - } else { - bnx2x_cl45_write(bp, phy, - MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002); -@@ -7581,7 +7581,6 @@ static int bnx2x_8073_config_init(struct bnx2x_phy *phy, - bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); - DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n", - ((val & (1<<5)) > 0), ((val & (1<<7)) > 0)); -- return 0; - } - - static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy, -@@ -7748,7 +7747,7 @@ static void bnx2x_8073_link_reset(struct bnx2x_phy *phy, - /******************************************************************/ - /* BCM8705 PHY SECTION */ - /******************************************************************/ --static int bnx2x_8705_config_init(struct bnx2x_phy *phy, -+static void bnx2x_8705_config_init(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) - { -@@ -7772,7 +7771,6 @@ static int bnx2x_8705_config_init(struct bnx2x_phy *phy, - MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1); - /* BCM8705 doesn't have microcode, hence the 0 */ - bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0); -- return 0; - } - - static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy, -@@ -8959,7 +8957,7 @@ static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy, - /******************************************************************/ - /* BCM8706 PHY SECTION */ - /******************************************************************/ --static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy, -+static void bnx2x_8706_config_init(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) - { -@@ -9061,11 +9059,9 @@ static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy, - bnx2x_cl45_write(bp, phy, - MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1); - } -- -- return 0; - } - --static int bnx2x_8706_read_status(struct bnx2x_phy *phy, -+static u8 bnx2x_8706_read_status(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) - { -@@ -9142,7 +9138,7 @@ static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy, - } - - --static int bnx2x_8726_config_init(struct bnx2x_phy *phy, -+static void bnx2x_8726_config_init(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) - { -@@ -9223,8 +9219,6 @@ static int bnx2x_8726_config_init(struct bnx2x_phy *phy, - phy->tx_preemphasis[1]); - } - -- return 0; -- - } - - static void bnx2x_8726_link_reset(struct bnx2x_phy *phy, -@@ -9360,7 +9354,7 @@ static void bnx2x_8727_config_speed(struct bnx2x_phy *phy, - } - } - --static int bnx2x_8727_config_init(struct bnx2x_phy *phy, -+static void bnx2x_8727_config_init(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) - { -@@ -9442,8 +9436,6 @@ static int bnx2x_8727_config_init(struct bnx2x_phy *phy, - MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, - (tmp2 & 0x7fff)); - } -- -- return 0; - } - - static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy, -@@ -10018,7 +10010,7 @@ static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy, - return 0; - } - --static int bnx2x_8481_config_init(struct bnx2x_phy *phy, -+static void bnx2x_8481_config_init(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) - { -@@ -10032,7 +10024,7 @@ static int bnx2x_8481_config_init(struct bnx2x_phy *phy, - bnx2x_wait_reset_complete(bp, phy, params); - - bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); -- return bnx2x_848xx_cmn_config_init(phy, params, vars); -+ bnx2x_848xx_cmn_config_init(phy, params, vars); - } - - #define PHY848xx_CMDHDLR_WAIT 300 -@@ -10282,7 +10274,7 @@ static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp, - return reset_gpios; - } - --static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy, -+static void bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy, - struct link_params *params) - { - struct bnx2x *bp = params->bp; -@@ -10311,8 +10303,6 @@ static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy, - udelay(10); - DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n", - reset_gpios); -- -- return 0; - } - - static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy, -@@ -10355,7 +10345,7 @@ static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy, - } - - #define PHY84833_CONSTANT_LATENCY 1193 --static int bnx2x_848x3_config_init(struct bnx2x_phy *phy, -+static void bnx2x_848x3_config_init(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) - { -@@ -10502,7 +10492,7 @@ static int bnx2x_848x3_config_init(struct bnx2x_phy *phy, - if (rc) { - DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n"); - bnx2x_8483x_disable_eee(phy, params, vars); -- return rc; -+ return; - } - - if ((phy->req_duplex == DUPLEX_FULL) && -@@ -10514,7 +10504,7 @@ static int bnx2x_848x3_config_init(struct bnx2x_phy *phy, - rc = bnx2x_8483x_disable_eee(phy, params, vars); - if (rc) { - DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n"); -- return rc; -+ return; - } - } else { - vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK; -@@ -10553,7 +10543,6 @@ static int bnx2x_848x3_config_init(struct bnx2x_phy *phy, - MDIO_84833_TOP_CFG_XGPHY_STRAP1, - (u16)~MDIO_84833_SUPER_ISOLATE); - } -- return rc; - } - - static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy, -@@ -11113,7 +11102,7 @@ static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy, - } - } - --static int bnx2x_54618se_config_init(struct bnx2x_phy *phy, -+static void bnx2x_54618se_config_init(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) - { -@@ -11315,8 +11304,6 @@ static int bnx2x_54618se_config_init(struct bnx2x_phy *phy, - - bnx2x_cl22_write(bp, phy, - MDIO_PMA_REG_CTRL, autoneg_val); -- -- return 0; - } - - -@@ -11540,7 +11527,7 @@ static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy, - MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100); - } - --static int bnx2x_7101_config_init(struct bnx2x_phy *phy, -+static void bnx2x_7101_config_init(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) - { -@@ -11577,7 +11564,6 @@ static int bnx2x_7101_config_init(struct bnx2x_phy *phy, - MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2); - bnx2x_save_spirom_version(bp, params->port, - (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr); -- return 0; - } - - static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy, -@@ -11746,9 +11732,9 @@ static const struct bnx2x_phy phy_serdes = { - .speed_cap_mask = 0, - .req_duplex = 0, - .rsrv = 0, -- .config_init = (config_init_t)bnx2x_xgxs_config_init, -- .read_status = (read_status_t)bnx2x_link_settings_status, -- .link_reset = (link_reset_t)bnx2x_int_link_reset, -+ .config_init = bnx2x_xgxs_config_init, -+ .read_status = bnx2x_link_settings_status, -+ .link_reset = bnx2x_int_link_reset, - .config_loopback = (config_loopback_t)NULL, - .format_fw_ver = (format_fw_ver_t)NULL, - .hw_reset = (hw_reset_t)NULL, -@@ -11782,14 +11768,14 @@ static const struct bnx2x_phy phy_xgxs = { - .speed_cap_mask = 0, - .req_duplex = 0, - .rsrv = 0, -- .config_init = (config_init_t)bnx2x_xgxs_config_init, -- .read_status = (read_status_t)bnx2x_link_settings_status, -- .link_reset = (link_reset_t)bnx2x_int_link_reset, -- .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback, -+ .config_init = bnx2x_xgxs_config_init, -+ .read_status = bnx2x_link_settings_status, -+ .link_reset = bnx2x_int_link_reset, -+ .config_loopback = bnx2x_set_xgxs_loopback, - .format_fw_ver = (format_fw_ver_t)NULL, - .hw_reset = (hw_reset_t)NULL, - .set_link_led = (set_link_led_t)NULL, -- .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func -+ .phy_specific_func = bnx2x_xgxs_specific_func - }; - static const struct bnx2x_phy phy_warpcore = { - .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT, -@@ -11820,12 +11806,12 @@ static const struct bnx2x_phy phy_warpcore = { - .speed_cap_mask = 0, - /* req_duplex = */0, - /* rsrv = */0, -- .config_init = (config_init_t)bnx2x_warpcore_config_init, -- .read_status = (read_status_t)bnx2x_warpcore_read_status, -- .link_reset = (link_reset_t)bnx2x_warpcore_link_reset, -- .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback, -+ .config_init = bnx2x_warpcore_config_init, -+ .read_status = bnx2x_warpcore_read_status, -+ .link_reset = bnx2x_warpcore_link_reset, -+ .config_loopback = bnx2x_set_warpcore_loopback, - .format_fw_ver = (format_fw_ver_t)NULL, -- .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset, -+ .hw_reset = bnx2x_warpcore_hw_reset, - .set_link_led = (set_link_led_t)NULL, - .phy_specific_func = (phy_specific_func_t)NULL - }; -@@ -11851,13 +11837,13 @@ static const struct bnx2x_phy phy_7101 = { - .speed_cap_mask = 0, - .req_duplex = 0, - .rsrv = 0, -- .config_init = (config_init_t)bnx2x_7101_config_init, -- .read_status = (read_status_t)bnx2x_7101_read_status, -- .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, -- .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback, -- .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver, -- .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset, -- .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led, -+ .config_init = bnx2x_7101_config_init, -+ .read_status = bnx2x_7101_read_status, -+ .link_reset = bnx2x_common_ext_link_reset, -+ .config_loopback = bnx2x_7101_config_loopback, -+ .format_fw_ver = bnx2x_7101_format_ver, -+ .hw_reset = bnx2x_7101_hw_reset, -+ .set_link_led = bnx2x_7101_set_link_led, - .phy_specific_func = (phy_specific_func_t)NULL - }; - static const struct bnx2x_phy phy_8073 = { -@@ -11882,14 +11868,14 @@ static const struct bnx2x_phy phy_8073 = { - .speed_cap_mask = 0, - .req_duplex = 0, - .rsrv = 0, -- .config_init = (config_init_t)bnx2x_8073_config_init, -- .read_status = (read_status_t)bnx2x_8073_read_status, -- .link_reset = (link_reset_t)bnx2x_8073_link_reset, -+ .config_init = bnx2x_8073_config_init, -+ .read_status = bnx2x_8073_read_status, -+ .link_reset = bnx2x_8073_link_reset, - .config_loopback = (config_loopback_t)NULL, -- .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, -+ .format_fw_ver = bnx2x_format_ver, - .hw_reset = (hw_reset_t)NULL, - .set_link_led = (set_link_led_t)NULL, -- .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func -+ .phy_specific_func = bnx2x_8073_specific_func - }; - static const struct bnx2x_phy phy_8705 = { - .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705, -@@ -11910,11 +11896,11 @@ static const struct bnx2x_phy phy_8705 = { - .speed_cap_mask = 0, - .req_duplex = 0, - .rsrv = 0, -- .config_init = (config_init_t)bnx2x_8705_config_init, -- .read_status = (read_status_t)bnx2x_8705_read_status, -- .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, -+ .config_init = bnx2x_8705_config_init, -+ .read_status = bnx2x_8705_read_status, -+ .link_reset = bnx2x_common_ext_link_reset, - .config_loopback = (config_loopback_t)NULL, -- .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver, -+ .format_fw_ver = bnx2x_null_format_ver, - .hw_reset = (hw_reset_t)NULL, - .set_link_led = (set_link_led_t)NULL, - .phy_specific_func = (phy_specific_func_t)NULL -@@ -11939,11 +11925,11 @@ static const struct bnx2x_phy phy_8706 = { - .speed_cap_mask = 0, - .req_duplex = 0, - .rsrv = 0, -- .config_init = (config_init_t)bnx2x_8706_config_init, -- .read_status = (read_status_t)bnx2x_8706_read_status, -- .link_reset = (link_reset_t)bnx2x_common_ext_link_reset, -+ .config_init = bnx2x_8706_config_init, -+ .read_status = bnx2x_8706_read_status, -+ .link_reset = bnx2x_common_ext_link_reset, - .config_loopback = (config_loopback_t)NULL, -- .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, -+ .format_fw_ver = bnx2x_format_ver, - .hw_reset = (hw_reset_t)NULL, - .set_link_led = (set_link_led_t)NULL, - .phy_specific_func = (phy_specific_func_t)NULL -@@ -11971,11 +11957,11 @@ static const struct bnx2x_phy phy_8726 = { - .speed_cap_mask = 0, - .req_duplex = 0, - .rsrv = 0, -- .config_init = (config_init_t)bnx2x_8726_config_init, -- .read_status = (read_status_t)bnx2x_8726_read_status, -- .link_reset = (link_reset_t)bnx2x_8726_link_reset, -- .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback, -- .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, -+ .config_init = bnx2x_8726_config_init, -+ .read_status = bnx2x_8726_read_status, -+ .link_reset = bnx2x_8726_link_reset, -+ .config_loopback = bnx2x_8726_config_loopback, -+ .format_fw_ver = bnx2x_format_ver, - .hw_reset = (hw_reset_t)NULL, - .set_link_led = (set_link_led_t)NULL, - .phy_specific_func = (phy_specific_func_t)NULL -@@ -12002,14 +11988,14 @@ static const struct bnx2x_phy phy_8727 = { - .speed_cap_mask = 0, - .req_duplex = 0, - .rsrv = 0, -- .config_init = (config_init_t)bnx2x_8727_config_init, -- .read_status = (read_status_t)bnx2x_8727_read_status, -- .link_reset = (link_reset_t)bnx2x_8727_link_reset, -+ .config_init = bnx2x_8727_config_init, -+ .read_status = bnx2x_8727_read_status, -+ .link_reset = bnx2x_8727_link_reset, - .config_loopback = (config_loopback_t)NULL, -- .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver, -- .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset, -- .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led, -- .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func -+ .format_fw_ver = bnx2x_format_ver, -+ .hw_reset = bnx2x_8727_hw_reset, -+ .set_link_led = bnx2x_8727_set_link_led, -+ .phy_specific_func = bnx2x_8727_specific_func - }; - static const struct bnx2x_phy phy_8481 = { - .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481, -@@ -12037,13 +12023,13 @@ static const struct bnx2x_phy phy_8481 = { - .speed_cap_mask = 0, - .req_duplex = 0, - .rsrv = 0, -- .config_init = (config_init_t)bnx2x_8481_config_init, -- .read_status = (read_status_t)bnx2x_848xx_read_status, -- .link_reset = (link_reset_t)bnx2x_8481_link_reset, -+ .config_init = bnx2x_8481_config_init, -+ .read_status = bnx2x_848xx_read_status, -+ .link_reset = bnx2x_8481_link_reset, - .config_loopback = (config_loopback_t)NULL, -- .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, -- .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset, -- .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, -+ .format_fw_ver = bnx2x_848xx_format_ver, -+ .hw_reset = bnx2x_8481_hw_reset, -+ .set_link_led = bnx2x_848xx_set_link_led, - .phy_specific_func = (phy_specific_func_t)NULL - }; - -@@ -12074,14 +12060,14 @@ static const struct bnx2x_phy phy_84823 = { - .speed_cap_mask = 0, - .req_duplex = 0, - .rsrv = 0, -- .config_init = (config_init_t)bnx2x_848x3_config_init, -- .read_status = (read_status_t)bnx2x_848xx_read_status, -- .link_reset = (link_reset_t)bnx2x_848x3_link_reset, -+ .config_init = bnx2x_848x3_config_init, -+ .read_status = bnx2x_848xx_read_status, -+ .link_reset = bnx2x_848x3_link_reset, - .config_loopback = (config_loopback_t)NULL, -- .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, -+ .format_fw_ver = bnx2x_848xx_format_ver, - .hw_reset = (hw_reset_t)NULL, -- .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, -- .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func -+ .set_link_led = bnx2x_848xx_set_link_led, -+ .phy_specific_func = bnx2x_848xx_specific_func - }; - - static const struct bnx2x_phy phy_84833 = { -@@ -12109,14 +12095,14 @@ static const struct bnx2x_phy phy_84833 = { - .speed_cap_mask = 0, - .req_duplex = 0, - .rsrv = 0, -- .config_init = (config_init_t)bnx2x_848x3_config_init, -- .read_status = (read_status_t)bnx2x_848xx_read_status, -- .link_reset = (link_reset_t)bnx2x_848x3_link_reset, -+ .config_init = bnx2x_848x3_config_init, -+ .read_status = bnx2x_848xx_read_status, -+ .link_reset = bnx2x_848x3_link_reset, - .config_loopback = (config_loopback_t)NULL, -- .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, -- .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy, -- .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, -- .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func -+ .format_fw_ver = bnx2x_848xx_format_ver, -+ .hw_reset = bnx2x_84833_hw_reset_phy, -+ .set_link_led = bnx2x_848xx_set_link_led, -+ .phy_specific_func = bnx2x_848xx_specific_func - }; - - static const struct bnx2x_phy phy_84834 = { -@@ -12143,14 +12129,14 @@ static const struct bnx2x_phy phy_84834 = { - .speed_cap_mask = 0, - .req_duplex = 0, - .rsrv = 0, -- .config_init = (config_init_t)bnx2x_848x3_config_init, -- .read_status = (read_status_t)bnx2x_848xx_read_status, -- .link_reset = (link_reset_t)bnx2x_848x3_link_reset, -+ .config_init = bnx2x_848x3_config_init, -+ .read_status = bnx2x_848xx_read_status, -+ .link_reset = bnx2x_848x3_link_reset, - .config_loopback = (config_loopback_t)NULL, -- .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver, -- .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy, -- .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, -- .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func -+ .format_fw_ver = bnx2x_848xx_format_ver, -+ .hw_reset = bnx2x_84833_hw_reset_phy, -+ .set_link_led = bnx2x_848xx_set_link_led, -+ .phy_specific_func = bnx2x_848xx_specific_func - }; - - static const struct bnx2x_phy phy_84858 = { -@@ -12177,14 +12163,14 @@ static const struct bnx2x_phy phy_84858 = { - .speed_cap_mask = 0, - .req_duplex = 0, - .rsrv = 0, -- .config_init = (config_init_t)bnx2x_848x3_config_init, -- .read_status = (read_status_t)bnx2x_848xx_read_status, -- .link_reset = (link_reset_t)bnx2x_848x3_link_reset, -+ .config_init = bnx2x_848x3_config_init, -+ .read_status = bnx2x_848xx_read_status, -+ .link_reset = bnx2x_848x3_link_reset, - .config_loopback = (config_loopback_t)NULL, -- .format_fw_ver = (format_fw_ver_t)bnx2x_8485x_format_ver, -- .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy, -- .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led, -- .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func -+ .format_fw_ver = bnx2x_8485x_format_ver, -+ .hw_reset = bnx2x_84833_hw_reset_phy, -+ .set_link_led = bnx2x_848xx_set_link_led, -+ .phy_specific_func = bnx2x_848xx_specific_func - }; - - static const struct bnx2x_phy phy_54618se = { -@@ -12211,14 +12197,14 @@ static const struct bnx2x_phy phy_54618se = { - .speed_cap_mask = 0, - /* req_duplex = */0, - /* rsrv = */0, -- .config_init = (config_init_t)bnx2x_54618se_config_init, -- .read_status = (read_status_t)bnx2x_54618se_read_status, -- .link_reset = (link_reset_t)bnx2x_54618se_link_reset, -- .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback, -+ .config_init = bnx2x_54618se_config_init, -+ .read_status = bnx2x_54618se_read_status, -+ .link_reset = bnx2x_54618se_link_reset, -+ .config_loopback = bnx2x_54618se_config_loopback, - .format_fw_ver = (format_fw_ver_t)NULL, - .hw_reset = (hw_reset_t)NULL, -- .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led, -- .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func -+ .set_link_led = bnx2x_5461x_set_link_led, -+ .phy_specific_func = bnx2x_54618se_specific_func - }; - /*****************************************************************/ - /* */ -diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h -index b7d2511..a625bae 100644 ---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h -+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h -@@ -126,7 +126,7 @@ struct link_vars; - struct link_params; - struct bnx2x_phy; - --typedef u8 (*config_init_t)(struct bnx2x_phy *phy, struct link_params *params, -+typedef void (*config_init_t)(struct bnx2x_phy *phy, struct link_params *params, - struct link_vars *vars); - typedef u8 (*read_status_t)(struct bnx2x_phy *phy, struct link_params *params, - struct link_vars *vars); -@@ -134,7 +134,7 @@ typedef void (*link_reset_t)(struct bnx2x_phy *phy, - struct link_params *params); - typedef void (*config_loopback_t)(struct bnx2x_phy *phy, - struct link_params *params); --typedef u8 (*format_fw_ver_t)(u32 raw, u8 *str, u16 *len); -+typedef int (*format_fw_ver_t)(u32 raw, u8 *str, u16 *len); - typedef void (*hw_reset_t)(struct bnx2x_phy *phy, struct link_params *params); - typedef void (*set_link_led_t)(struct bnx2x_phy *phy, - struct link_params *params, u8 mode); -diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c -index 4febe60..629a7d7 100644 ---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c -+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c -@@ -14227,7 +14227,7 @@ static int bnx2x_eeh_nic_unload(struct bnx2x *bp) - * this device has been detected. - */ - static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct net_device *dev = pci_get_drvdata(pdev); - struct bnx2x *bp = netdev_priv(dev); -diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c -index cea6bdc..c9fbf14 100644 ---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c -+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c -@@ -2576,15 +2576,14 @@ int bnx2x_config_rx_mode(struct bnx2x *bp, - return rc; - } - --void bnx2x_init_rx_mode_obj(struct bnx2x *bp, -- struct bnx2x_rx_mode_obj *o) -+void bnx2x_init_rx_mode_obj(struct bnx2x *bp) - { - if (CHIP_IS_E1x(bp)) { -- o->wait_comp = bnx2x_empty_rx_mode_wait; -- o->config_rx_mode = bnx2x_set_rx_mode_e1x; -+ bp->rx_mode_obj.wait_comp = bnx2x_empty_rx_mode_wait; -+ bp->rx_mode_obj.config_rx_mode = bnx2x_set_rx_mode_e1x; - } else { -- o->wait_comp = bnx2x_wait_rx_mode_comp_e2; -- o->config_rx_mode = bnx2x_set_rx_mode_e2; -+ bp->rx_mode_obj.wait_comp = bnx2x_wait_rx_mode_comp_e2; -+ bp->rx_mode_obj.config_rx_mode = bnx2x_set_rx_mode_e2; - } - } - -diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h -index 0bf2fd4..e28af43 100644 ---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h -+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h -@@ -1446,8 +1446,7 @@ int bnx2x_vlan_mac_move(struct bnx2x *bp, - - /********************* RX MODE ****************/ - --void bnx2x_init_rx_mode_obj(struct bnx2x *bp, -- struct bnx2x_rx_mode_obj *o); -+void bnx2x_init_rx_mode_obj(struct bnx2x *bp); - - /** - * bnx2x_config_rx_mode - Send and RX_MODE ramrod according to the provided parameters. -diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c -index f08a20b..6f9f924 100644 ---- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c -+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c -@@ -6970,7 +6970,7 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) - * this device has been detected. - */ - static pci_ers_result_t bnxt_io_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct net_device *netdev = pci_get_drvdata(pdev); - struct bnxt *bp = netdev_priv(netdev); -diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c -index a927a73..2237481 100644 ---- a/drivers/net/ethernet/broadcom/tg3.c -+++ b/drivers/net/ethernet/broadcom/tg3.c -@@ -18124,7 +18124,7 @@ static void tg3_shutdown(struct pci_dev *pdev) - * this device has been detected. - */ - static pci_ers_result_t tg3_io_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct net_device *netdev = pci_get_drvdata(pdev); - struct tg3 *tp = netdev_priv(netdev); -diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h -index 3b5e98e..52b3916 100644 ---- a/drivers/net/ethernet/broadcom/tg3.h -+++ b/drivers/net/ethernet/broadcom/tg3.h -@@ -150,6 +150,7 @@ - #define CHIPREV_ID_5750_A0 0x4000 - #define CHIPREV_ID_5750_A1 0x4001 - #define CHIPREV_ID_5750_A3 0x4003 -+#define CHIPREV_ID_5750_C1 0x4201 - #define CHIPREV_ID_5750_C2 0x4202 - #define CHIPREV_ID_5752_A0_HW 0x5000 - #define CHIPREV_ID_5752_A0 0x6000 -diff --git a/drivers/net/ethernet/brocade/bna/bfa_cs.h b/drivers/net/ethernet/brocade/bna/bfa_cs.h -index 1d11d66..8f7a3cb 100644 ---- a/drivers/net/ethernet/brocade/bna/bfa_cs.h -+++ b/drivers/net/ethernet/brocade/bna/bfa_cs.h -@@ -34,10 +34,19 @@ struct bfa_sm_table { - int state; /*!< state machine encoding */ - char *name; /*!< state name for display */ - }; --#define BFA_SM(_sm) ((bfa_sm_t)(_sm)) -+#define BFA_SM(_sm) (_sm) -+ -+#define bfa_sm_set_state(_sm, _state) ((_sm)->sm = (_state)) -+#define bfa_sm_cmp_state(_sm, _state) ((_sm)->sm == (_state)) - - /* State machine with entry actions. */ --typedef void (*bfa_fsm_t)(void *fsm, int event); -+struct bfa_ioc; -+enum ioc_event; -+struct bfa_iocpf; -+enum iocpf_event; -+ -+typedef void (*bfa_fsm_ioc_t)(struct bfa_ioc *fsm, enum ioc_event event); -+typedef void (*bfa_fsm_iocpf_t)(struct bfa_iocpf *fsm, enum iocpf_event event); - - /* oc - object class eg. bfa_ioc - * st - state, eg. reset -@@ -49,16 +58,37 @@ typedef void (*bfa_fsm_t)(void *fsm, int event); - static void oc ## _sm_ ## st ## _entry(otype * fsm) - - #define bfa_fsm_set_state(_fsm, _state) do { \ -- (_fsm)->fsm = (bfa_fsm_t)(_state); \ -+ (_fsm)->fsm = (_state); \ - _state ## _entry(_fsm); \ - } while (0) - - #define bfa_fsm_send_event(_fsm, _event) ((_fsm)->fsm((_fsm), (_event))) --#define bfa_fsm_cmp_state(_fsm, _state) \ -- ((_fsm)->fsm == (bfa_fsm_t)(_state)) -+#define bfa_fsm_cmp_state(_fsm, _state) ((_fsm)->fsm == (_state)) -+ -+/* For converting from state machine function to state encoding. */ -+struct iocpf_sm_table { -+ bfa_fsm_iocpf_t sm; /*!< state machine function */ -+ int state; /*!< state machine encoding */ -+ char *name; /*!< state name for display */ -+}; -+struct ioc_sm_table { -+ bfa_fsm_ioc_t sm; /*!< state machine function */ -+ int state; /*!< state machine encoding */ -+ char *name; /*!< state name for display */ -+}; -+ -+static inline int -+iocpf_sm_to_state(const struct iocpf_sm_table *smt, bfa_fsm_iocpf_t sm) -+{ -+ int i = 0; -+ -+ while (smt[i].sm && smt[i].sm != sm) -+ i++; -+ return smt[i].state; -+} - - static inline int --bfa_sm_to_state(const struct bfa_sm_table *smt, bfa_sm_t sm) -+ioc_sm_to_state(const struct ioc_sm_table *smt, bfa_fsm_ioc_t sm) - { - int i = 0; - -diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc.c b/drivers/net/ethernet/brocade/bna/bfa_ioc.c -index 9e59663..3564807 100644 ---- a/drivers/net/ethernet/brocade/bna/bfa_ioc.c -+++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.c -@@ -122,7 +122,7 @@ bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc, enum ioc_event); - bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc, enum ioc_event); - bfa_fsm_state_decl(bfa_ioc, hwfail, struct bfa_ioc, enum ioc_event); - --static struct bfa_sm_table ioc_sm_table[] = { -+static struct ioc_sm_table ioc_sm_table[] = { - {BFA_SM(bfa_ioc_sm_uninit), BFA_IOC_UNINIT}, - {BFA_SM(bfa_ioc_sm_reset), BFA_IOC_RESET}, - {BFA_SM(bfa_ioc_sm_enabling), BFA_IOC_ENABLING}, -@@ -191,7 +191,7 @@ bfa_fsm_state_decl(bfa_iocpf, disabling_sync, struct bfa_iocpf, - enum iocpf_event); - bfa_fsm_state_decl(bfa_iocpf, disabled, struct bfa_iocpf, enum iocpf_event); - --static struct bfa_sm_table iocpf_sm_table[] = { -+static struct iocpf_sm_table iocpf_sm_table[] = { - {BFA_SM(bfa_iocpf_sm_reset), BFA_IOCPF_RESET}, - {BFA_SM(bfa_iocpf_sm_fwcheck), BFA_IOCPF_FWMISMATCH}, - {BFA_SM(bfa_iocpf_sm_mismatch), BFA_IOCPF_FWMISMATCH}, -@@ -2862,12 +2862,12 @@ static enum bfa_ioc_state - bfa_ioc_get_state(struct bfa_ioc *ioc) - { - enum bfa_iocpf_state iocpf_st; -- enum bfa_ioc_state ioc_st = bfa_sm_to_state(ioc_sm_table, ioc->fsm); -+ enum bfa_ioc_state ioc_st = ioc_sm_to_state(ioc_sm_table, ioc->fsm); - - if (ioc_st == BFA_IOC_ENABLING || - ioc_st == BFA_IOC_FAIL || ioc_st == BFA_IOC_INITFAIL) { - -- iocpf_st = bfa_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm); -+ iocpf_st = iocpf_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm); - - switch (iocpf_st) { - case BFA_IOCPF_SEMWAIT: -@@ -2985,7 +2985,7 @@ bfa_nw_iocpf_timeout(struct bfa_ioc *ioc) - { - enum bfa_iocpf_state iocpf_st; - -- iocpf_st = bfa_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm); -+ iocpf_st = iocpf_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm); - - if (iocpf_st == BFA_IOCPF_HWINIT) - bfa_ioc_poll_fwinit(ioc); -diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc.h b/drivers/net/ethernet/brocade/bna/bfa_ioc.h -index 2c0b4c0..97873eb 100644 ---- a/drivers/net/ethernet/brocade/bna/bfa_ioc.h -+++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.h -@@ -156,7 +156,7 @@ struct bfa_ioc_notify { - } while (0) - - struct bfa_iocpf { -- bfa_fsm_t fsm; -+ bfa_fsm_iocpf_t fsm; - struct bfa_ioc *ioc; - bool fw_mismatch_notified; - bool auto_recover; -@@ -164,7 +164,7 @@ struct bfa_iocpf { - }; - - struct bfa_ioc { -- bfa_fsm_t fsm; -+ bfa_fsm_ioc_t fsm; - struct bfa *bfa; - struct bfa_pcidev pcidev; - struct timer_list ioc_timer; -diff --git a/drivers/net/ethernet/brocade/bna/bfa_msgq.h b/drivers/net/ethernet/brocade/bna/bfa_msgq.h -index 66bc8b5..bf64466 100644 ---- a/drivers/net/ethernet/brocade/bna/bfa_msgq.h -+++ b/drivers/net/ethernet/brocade/bna/bfa_msgq.h -@@ -63,8 +63,10 @@ enum bfa_msgq_cmdq_flags { - BFA_MSGQ_CMDQ_F_DB_UPDATE = 1, - }; - -+enum cmdq_event; -+ - struct bfa_msgq_cmdq { -- bfa_fsm_t fsm; -+ void (*fsm)(struct bfa_msgq_cmdq *, enum cmdq_event); - enum bfa_msgq_cmdq_flags flags; - - u16 producer_index; -@@ -89,8 +91,10 @@ enum bfa_msgq_rspq_flags { - - typedef void (*bfa_msgq_mcfunc_t)(void *cbarg, struct bfi_msgq_mhdr *mhdr); - -+enum rspq_event; -+ - struct bfa_msgq_rspq { -- bfa_fsm_t fsm; -+ void (*fsm)(struct bfa_msgq_rspq *, enum rspq_event); - enum bfa_msgq_rspq_flags flags; - - u16 producer_index; -diff --git a/drivers/net/ethernet/brocade/bna/bna_enet.c b/drivers/net/ethernet/brocade/bna/bna_enet.c -index 4e5c387..0791dab 100644 ---- a/drivers/net/ethernet/brocade/bna/bna_enet.c -+++ b/drivers/net/ethernet/brocade/bna/bna_enet.c -@@ -1265,7 +1265,7 @@ bna_enet_mtu_get(struct bna_enet *enet) - void - bna_enet_enable(struct bna_enet *enet) - { -- if (enet->fsm != (bfa_sm_t)bna_enet_sm_stopped) -+ if (enet->fsm != bna_enet_sm_stopped) - return; - - enet->flags |= BNA_ENET_F_ENABLED; -@@ -1676,10 +1676,10 @@ bna_cb_ioceth_reset(void *arg) - } - - static struct bfa_ioc_cbfn bna_ioceth_cbfn = { -- bna_cb_ioceth_enable, -- bna_cb_ioceth_disable, -- bna_cb_ioceth_hbfail, -- bna_cb_ioceth_reset -+ .enable_cbfn = bna_cb_ioceth_enable, -+ .disable_cbfn = bna_cb_ioceth_disable, -+ .hbfail_cbfn = bna_cb_ioceth_hbfail, -+ .reset_cbfn = bna_cb_ioceth_reset - }; - - static void bna_attr_init(struct bna_ioceth *ioceth) -@@ -1759,12 +1759,12 @@ bna_ioceth_uninit(struct bna_ioceth *ioceth) - void - bna_ioceth_enable(struct bna_ioceth *ioceth) - { -- if (ioceth->fsm == (bfa_fsm_t)bna_ioceth_sm_ready) { -+ if (ioceth->fsm == bna_ioceth_sm_ready) { - bnad_cb_ioceth_ready(ioceth->bna->bnad); - return; - } - -- if (ioceth->fsm == (bfa_fsm_t)bna_ioceth_sm_stopped) -+ if (ioceth->fsm == bna_ioceth_sm_stopped) - bfa_fsm_send_event(ioceth, IOCETH_E_ENABLE); - } - -diff --git a/drivers/net/ethernet/brocade/bna/bna_tx_rx.c b/drivers/net/ethernet/brocade/bna/bna_tx_rx.c -index 95bc470..c12be9f 100644 ---- a/drivers/net/ethernet/brocade/bna/bna_tx_rx.c -+++ b/drivers/net/ethernet/brocade/bna/bna_tx_rx.c -@@ -1964,7 +1964,7 @@ static void - bna_rx_stop(struct bna_rx *rx) - { - rx->rx_flags &= ~BNA_RX_F_ENET_STARTED; -- if (rx->fsm == (bfa_fsm_t) bna_rx_sm_stopped) -+ if (rx->fsm == bna_rx_sm_stopped) - bna_rx_mod_cb_rx_stopped(&rx->bna->rx_mod, rx); - else { - rx->stop_cbfn = bna_rx_mod_cb_rx_stopped; -@@ -2543,7 +2543,7 @@ bna_rx_destroy(struct bna_rx *rx) - void - bna_rx_enable(struct bna_rx *rx) - { -- if (rx->fsm != (bfa_sm_t)bna_rx_sm_stopped) -+ if (rx->fsm != bna_rx_sm_stopped) - return; - - rx->rx_flags |= BNA_RX_F_ENABLED; -@@ -3531,7 +3531,7 @@ bna_tx_destroy(struct bna_tx *tx) - void - bna_tx_enable(struct bna_tx *tx) - { -- if (tx->fsm != (bfa_sm_t)bna_tx_sm_stopped) -+ if (tx->fsm != bna_tx_sm_stopped) - return; - - tx->flags |= BNA_TX_F_ENABLED; -diff --git a/drivers/net/ethernet/brocade/bna/bna_types.h b/drivers/net/ethernet/brocade/bna/bna_types.h -index c438d03..4653f43 100644 ---- a/drivers/net/ethernet/brocade/bna/bna_types.h -+++ b/drivers/net/ethernet/brocade/bna/bna_types.h -@@ -320,8 +320,10 @@ struct bna_attr { - - /* IOCEth */ - -+enum bna_ioceth_event; -+ - struct bna_ioceth { -- bfa_fsm_t fsm; -+ void (*fsm)(struct bna_ioceth *, enum bna_ioceth_event); - struct bfa_ioc ioc; - - struct bna_attr attr; -@@ -342,8 +344,10 @@ struct bna_pause_config { - enum bna_status rx_pause; - }; - -+enum bna_enet_event; -+ - struct bna_enet { -- bfa_fsm_t fsm; -+ void (*fsm)(struct bna_enet *, enum bna_enet_event); - enum bna_enet_flags flags; - - enum bna_enet_type type; -@@ -368,8 +372,10 @@ struct bna_enet { - - /* Ethport */ - -+enum bna_ethport_event; -+ - struct bna_ethport { -- bfa_fsm_t fsm; -+ void (*fsm)(struct bna_ethport *, enum bna_ethport_event); - enum bna_ethport_flags flags; - - enum bna_link_status link_status; -@@ -462,13 +468,15 @@ struct bna_txq { - }; - - /* Tx object */ -+enum bna_tx_event; -+ - struct bna_tx { - /* This should be the first one */ - struct list_head qe; - int rid; - int hw_id; - -- bfa_fsm_t fsm; -+ void (*fsm)(struct bna_tx *, enum bna_tx_event); - enum bna_tx_flags flags; - - enum bna_tx_type type; -@@ -706,8 +714,10 @@ struct bna_rxp { - }; - - /* RxF structure (hardware Rx Function) */ -+enum bna_rxf_event; -+ - struct bna_rxf { -- bfa_fsm_t fsm; -+ void (*fsm)(struct bna_rxf *, enum bna_rxf_event); - - struct bfa_msgq_cmd_entry msgq_cmd; - union { -@@ -777,13 +787,15 @@ struct bna_rxf { - }; - - /* Rx object */ -+enum bna_rx_event; -+ - struct bna_rx { - /* This should be the first one */ - struct list_head qe; - int rid; - int hw_id; - -- bfa_fsm_t fsm; -+ void (*fsm)(struct bna_rx *, enum bna_rx_event); - - enum bna_rx_type type; - -diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c -index f42f672..daed6bd 100644 ---- a/drivers/net/ethernet/brocade/bna/bnad.c -+++ b/drivers/net/ethernet/brocade/bna/bnad.c -@@ -1100,8 +1100,9 @@ bnad_cb_tx_resume(struct bnad *bnad, struct bna_tx *tx) - * Free all TxQs buffers and then notify TX_E_CLEANUP_DONE to Tx fsm. - */ - static void --bnad_tx_cleanup(struct delayed_work *work) -+bnad_tx_cleanup(struct work_struct *_work) - { -+ struct delayed_work *work = (struct delayed_work *)_work; - struct bnad_tx_info *tx_info = - container_of(work, struct bnad_tx_info, tx_cleanup_work); - struct bnad *bnad = NULL; -@@ -1179,7 +1180,7 @@ bnad_cb_rx_stall(struct bnad *bnad, struct bna_rx *rx) - * Free all RxQs buffers and then notify RX_E_CLEANUP_DONE to Rx fsm. - */ - static void --bnad_rx_cleanup(void *work) -+bnad_rx_cleanup(struct work_struct *work) - { - struct bnad_rx_info *rx_info = - container_of(work, struct bnad_rx_info, rx_cleanup_work); -@@ -2003,8 +2004,7 @@ bnad_setup_tx(struct bnad *bnad, u32 tx_id) - } - tx_info->tx = tx; - -- INIT_DELAYED_WORK(&tx_info->tx_cleanup_work, -- (work_func_t)bnad_tx_cleanup); -+ INIT_DELAYED_WORK(&tx_info->tx_cleanup_work, bnad_tx_cleanup); - - /* Register ISR for the Tx object */ - if (intr_info->intr_type == BNA_INTR_T_MSIX) { -@@ -2260,8 +2260,7 @@ bnad_setup_rx(struct bnad *bnad, u32 rx_id) - rx_info->rx = rx; - spin_unlock_irqrestore(&bnad->bna_lock, flags); - -- INIT_WORK(&rx_info->rx_cleanup_work, -- (work_func_t)(bnad_rx_cleanup)); -+ INIT_WORK(&rx_info->rx_cleanup_work, bnad_rx_cleanup); - - /* - * Init NAPI, so that state is set to NAPI_STATE_SCHED, -diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c -index ec09fce..b6ab1fd 100644 ---- a/drivers/net/ethernet/cadence/macb.c -+++ b/drivers/net/ethernet/cadence/macb.c -@@ -1359,7 +1359,7 @@ static inline int macb_clear_csum(struct sk_buff *skb) - return 0; - } - --static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t macb_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - u16 queue_index = skb_get_queue_mapping(skb); - struct macb *bp = netdev_priv(dev); -@@ -2661,7 +2661,7 @@ static int at91ether_close(struct net_device *dev) - } - - /* Transmit packet */ --static int at91ether_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t at91ether_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct macb *lp = netdev_priv(dev); - -diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c -index afc6f9dc..da49fa1 100644 ---- a/drivers/net/ethernet/cavium/liquidio/lio_main.c -+++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c -@@ -396,7 +396,7 @@ static void stop_pci_io(struct octeon_device *oct) - * this device has been detected. - */ - static pci_ers_result_t liquidio_pcie_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct octeon_device *oct = pci_get_drvdata(pdev); - -@@ -3081,7 +3081,7 @@ static inline int send_nic_timestamp_pkt(struct octeon_device *oct, - * @returns whether the packet was transmitted to the device okay or not - * (NETDEV_TX_OK or NETDEV_TX_BUSY) - */ --static int liquidio_xmit(struct sk_buff *skb, struct net_device *netdev) -+static netdev_tx_t liquidio_xmit(struct sk_buff *skb, struct net_device *netdev) - { - struct lio *lio; - struct octnet_buf_free_info *finfo; -@@ -3567,7 +3567,7 @@ static void liquidio_del_vxlan_port(struct net_device *netdev, - OCTNET_CMD_VXLAN_PORT_DEL); - } - --static struct net_device_ops lionetdevops = { -+static net_device_ops_no_const lionetdevops __read_only = { - .ndo_open = liquidio_open, - .ndo_stop = liquidio_stop, - .ndo_start_xmit = liquidio_xmit, -@@ -3816,8 +3816,11 @@ static int setup_nic_devices(struct octeon_device *octeon_dev) - - SET_NETDEV_DEV(netdev, &octeon_dev->pci_dev->dev); - -- if (num_iqueues > 1) -+ if (num_iqueues > 1) { -+ pax_open_kernel(); - lionetdevops.ndo_select_queue = select_q; -+ pax_close_kernel(); -+ } - - /* Associate the routines that will handle different - * netdev tasks. -diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c -index 43da891..8fbfb54 100644 ---- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c -+++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c -@@ -2997,7 +2997,7 @@ void t3_fatal_err(struct adapter *adapter) - * this device has been detected. - */ - static pci_ers_result_t t3_io_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct adapter *adapter = pci_get_drvdata(pdev); - -diff --git a/drivers/net/ethernet/chelsio/cxgb3/l2t.h b/drivers/net/ethernet/chelsio/cxgb3/l2t.h -index 8cffcdf..aadf043 100644 ---- a/drivers/net/ethernet/chelsio/cxgb3/l2t.h -+++ b/drivers/net/ethernet/chelsio/cxgb3/l2t.h -@@ -87,7 +87,7 @@ typedef void (*arp_failure_handler_func)(struct t3cdev * dev, - */ - struct l2t_skb_cb { - arp_failure_handler_func arp_failure_handler; --}; -+} __no_const; - - #define L2T_SKB_CB(skb) ((struct l2t_skb_cb *)(skb)->cb) - -diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c -index 19dc9e2..e348455 100644 ---- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c -+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c -@@ -3861,7 +3861,7 @@ static int adap_init0(struct adapter *adap) - /* EEH callbacks */ - - static pci_ers_result_t eeh_err_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - int i; - struct adapter *adap = pci_get_drvdata(pdev); -diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h b/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h -index 109bc63..646ff4d 100644 ---- a/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h -+++ b/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h -@@ -558,7 +558,7 @@ int t4vf_sge_alloc_eth_txq(struct adapter *, struct sge_eth_txq *, - unsigned int); - void t4vf_free_sge_resources(struct adapter *); - --int t4vf_eth_xmit(struct sk_buff *, struct net_device *); -+netdev_tx_t t4vf_eth_xmit(struct sk_buff *, struct net_device *); - int t4vf_ethrx_handler(struct sge_rspq *, const __be64 *, - const struct pkt_gl *); - -diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c -index f3ed9ce..9b80a26 100644 ---- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c -+++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c -@@ -1159,7 +1159,7 @@ static inline void txq_advance(struct sge_txq *tq, unsigned int n) - * - * Add a packet to an SGE Ethernet TX queue. Runs with softirqs disabled. - */ --int t4vf_eth_xmit(struct sk_buff *skb, struct net_device *dev) -+netdev_tx_t t4vf_eth_xmit(struct sk_buff *skb, struct net_device *dev) - { - u32 wr_mid; - u64 cntrl, *end; -diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c -index f45385f..24f6c11e 100644 ---- a/drivers/net/ethernet/davicom/dm9000.c -+++ b/drivers/net/ethernet/davicom/dm9000.c -@@ -1021,7 +1021,7 @@ static void dm9000_send_packet(struct net_device *dev, - * Hardware start transmission. - * Send a packet to media from the upper layer. - */ --static int -+static netdev_tx_t - dm9000_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - unsigned long flags; -diff --git a/drivers/net/ethernet/dec/tulip/de4x5.c b/drivers/net/ethernet/dec/tulip/de4x5.c -index 6620fc8..24405bc 100644 ---- a/drivers/net/ethernet/dec/tulip/de4x5.c -+++ b/drivers/net/ethernet/dec/tulip/de4x5.c -@@ -912,7 +912,7 @@ static int de4x5_init(struct net_device *dev); - static int de4x5_sw_reset(struct net_device *dev); - static int de4x5_rx(struct net_device *dev); - static int de4x5_tx(struct net_device *dev); --static void de4x5_ast(struct net_device *dev); -+static void de4x5_ast(unsigned long _dev); - static int de4x5_txur(struct net_device *dev); - static int de4x5_rx_ovfc(struct net_device *dev); - -@@ -1149,7 +1149,7 @@ de4x5_hw_init(struct net_device *dev, u_long iobase, struct device *gendev) - lp->gendev = gendev; - spin_lock_init(&lp->lock); - init_timer(&lp->timer); -- lp->timer.function = (void (*)(unsigned long))de4x5_ast; -+ lp->timer.function = de4x5_ast; - lp->timer.data = (unsigned long)dev; - de4x5_parse_params(dev); - -@@ -1743,8 +1743,9 @@ de4x5_tx(struct net_device *dev) - } - - static void --de4x5_ast(struct net_device *dev) -+de4x5_ast(unsigned long _dev) - { -+ struct net_device *dev = (struct net_device *)_dev; - struct de4x5_private *lp = netdev_priv(dev); - int next_tick = DE4X5_AUTOSENSE_MS; - int dt; -@@ -2371,7 +2372,7 @@ autoconf_media(struct net_device *dev) - lp->media = INIT; - lp->tcount = 0; - -- de4x5_ast(dev); -+ de4x5_ast((unsigned long)dev); - - return lp->media; - } -@@ -5376,7 +5377,7 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) - for (i=0; idev_addr[i]; - } -- if (copy_to_user(ioc->data, tmp.addr, ioc->len)) return -EFAULT; -+ if (ioc->len > sizeof tmp.addr || copy_to_user(ioc->data, tmp.addr, ioc->len)) return -EFAULT; - break; - - case DE4X5_SET_HWADDR: /* Set the hardware address */ -@@ -5416,7 +5417,7 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) - spin_lock_irqsave(&lp->lock, flags); - memcpy(&statbuf, &lp->pktStats, ioc->len); - spin_unlock_irqrestore(&lp->lock, flags); -- if (copy_to_user(ioc->data, &statbuf, ioc->len)) -+ if (ioc->len > sizeof statbuf || copy_to_user(ioc->data, &statbuf, ioc->len)) - return -EFAULT; - break; - } -diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c -index 93aa293..5bc45ae 100644 ---- a/drivers/net/ethernet/emulex/benet/be_main.c -+++ b/drivers/net/ethernet/emulex/benet/be_main.c -@@ -597,7 +597,7 @@ static void accumulate_16bit_val(u32 *acc, u16 val) - - if (wrapped) - newacc += 65536; -- ACCESS_ONCE(*acc) = newacc; -+ ACCESS_ONCE_RW(*acc) = newacc; - } - - static void populate_erx_stats(struct be_adapter *adapter, -@@ -6017,7 +6017,7 @@ static void be_shutdown(struct pci_dev *pdev) - } - - static pci_ers_result_t be_eeh_err_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct be_adapter *adapter = pci_get_drvdata(pdev); - -diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c -index 2625872..9f3ad72 100644 ---- a/drivers/net/ethernet/faraday/ftgmac100.c -+++ b/drivers/net/ethernet/faraday/ftgmac100.c -@@ -26,6 +26,7 @@ - #include - #include - #include -+#include - #include - #include - #include -@@ -1200,7 +1201,7 @@ static int ftgmac100_stop(struct net_device *netdev) - return 0; - } - --static int ftgmac100_hard_start_xmit(struct sk_buff *skb, -+static netdev_tx_t ftgmac100_hard_start_xmit(struct sk_buff *skb, - struct net_device *netdev) - { - struct ftgmac100 *priv = netdev_priv(netdev); -diff --git a/drivers/net/ethernet/faraday/ftmac100.c b/drivers/net/ethernet/faraday/ftmac100.c -index dce5f7b..222e709 100644 ---- a/drivers/net/ethernet/faraday/ftmac100.c -+++ b/drivers/net/ethernet/faraday/ftmac100.c -@@ -31,6 +31,8 @@ - #include - #include - #include -+#include -+#include - - #include "ftmac100.h" - -@@ -1009,7 +1011,7 @@ static int ftmac100_stop(struct net_device *netdev) - return 0; - } - --static int ftmac100_hard_start_xmit(struct sk_buff *skb, struct net_device *netdev) -+static netdev_tx_t ftmac100_hard_start_xmit(struct sk_buff *skb, struct net_device *netdev) - { - struct ftmac100 *priv = netdev_priv(netdev); - dma_addr_t map; -diff --git a/drivers/net/ethernet/freescale/fec_mpc52xx.c b/drivers/net/ethernet/freescale/fec_mpc52xx.c -index 446ae9d..79d1d75 100644 ---- a/drivers/net/ethernet/freescale/fec_mpc52xx.c -+++ b/drivers/net/ethernet/freescale/fec_mpc52xx.c -@@ -305,7 +305,7 @@ static int mpc52xx_fec_close(struct net_device *dev) - * invariant will hold if you make sure that the netif_*_queue() - * calls are done at the proper times. - */ --static int mpc52xx_fec_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t mpc52xx_fec_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct mpc52xx_fec_priv *priv = netdev_priv(dev); - struct bcom_fec_bd *bd; -diff --git a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c -index 4b86260..2a5ecb3 100644 ---- a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c -+++ b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c -@@ -481,7 +481,7 @@ static struct sk_buff *tx_skb_align_workaround(struct net_device *dev, - } - #endif - --static int fs_enet_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t fs_enet_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct fs_enet_private *fep = netdev_priv(dev); - cbd_t __iomem *bdp; -diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c -index 9061c2f..d7df4ea 100644 ---- a/drivers/net/ethernet/freescale/gianfar.c -+++ b/drivers/net/ethernet/freescale/gianfar.c -@@ -112,7 +112,7 @@ - const char gfar_driver_version[] = "2.0"; - - static int gfar_enet_open(struct net_device *dev); --static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev); -+static netdev_tx_t gfar_start_xmit(struct sk_buff *skb, struct net_device *dev); - static void gfar_reset_task(struct work_struct *work); - static void gfar_timeout(struct net_device *dev); - static int gfar_close(struct net_device *dev); -@@ -2324,7 +2324,7 @@ static inline bool gfar_csum_errata_76(struct gfar_private *priv, - /* This is called by the kernel when a frame is ready for transmission. - * It is pointed to by the dev->hard_start_xmit function pointer - */ --static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct gfar_private *priv = netdev_priv(dev); - struct gfar_priv_tx_q *tx_queue = NULL; -diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c -index f76d332..8b96df8 100644 ---- a/drivers/net/ethernet/freescale/ucc_geth.c -+++ b/drivers/net/ethernet/freescale/ucc_geth.c -@@ -3085,7 +3085,7 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) - - /* This is called by the kernel when a frame is ready for transmission. */ - /* It is pointed to by the dev->hard_start_xmit function pointer */ --static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct ucc_geth_private *ugeth = netdev_priv(dev); - #ifdef CONFIG_UGETH_TX_ON_DEMAND -diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c b/drivers/net/ethernet/hisilicon/hip04_eth.c -index 3977889..e496763 100644 ---- a/drivers/net/ethernet/hisilicon/hip04_eth.c -+++ b/drivers/net/ethernet/hisilicon/hip04_eth.c -@@ -422,7 +422,7 @@ static void hip04_start_tx_timer(struct hip04_priv *priv) - ns, HRTIMER_MODE_REL); - } - --static int hip04_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) -+static netdev_tx_t hip04_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) - { - struct hip04_priv *priv = netdev_priv(ndev); - struct net_device_stats *stats = &ndev->stats; -diff --git a/drivers/net/ethernet/hisilicon/hix5hd2_gmac.c b/drivers/net/ethernet/hisilicon/hix5hd2_gmac.c -index e69a6be..231423a 100644 ---- a/drivers/net/ethernet/hisilicon/hix5hd2_gmac.c -+++ b/drivers/net/ethernet/hisilicon/hix5hd2_gmac.c -@@ -600,7 +600,7 @@ static irqreturn_t hix5hd2_interrupt(int irq, void *dev_id) - return IRQ_HANDLED; - } - --static int hix5hd2_net_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t hix5hd2_net_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct hix5hd2_priv *priv = netdev_priv(dev); - struct hix5hd2_desc *desc; -diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c -index 2d0cb60..9dd45c9 100644 ---- a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c -+++ b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c -@@ -845,16 +845,18 @@ int hns_dsaf_ae_init(struct dsaf_device *dsaf_dev) - struct hnae_ae_dev *ae_dev = &dsaf_dev->ae_dev; - static atomic_t id = ATOMIC_INIT(-1); - -+ pax_open_kernel(); - switch (dsaf_dev->dsaf_ver) { - case AE_VERSION_1: -- hns_dsaf_ops.toggle_ring_irq = hns_ae_toggle_ring_irq; -+ const_cast(hns_dsaf_ops.toggle_ring_irq) = hns_ae_toggle_ring_irq; - break; - case AE_VERSION_2: -- hns_dsaf_ops.toggle_ring_irq = hns_aev2_toggle_ring_irq; -+ const_cast(hns_dsaf_ops.toggle_ring_irq) = hns_aev2_toggle_ring_irq; - break; - default: - break; - } -+ pax_close_kernel(); - - snprintf(ae_dev->name, AE_NAME_SIZE, "%s%d", DSAF_DEVICE_NAME, - (int)atomic_inc_return(&id)); -diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h -index c494fc5..ad40d2f 100644 ---- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h -+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.h -@@ -347,7 +347,7 @@ struct dsaf_device { - struct ppe_common_cb *ppe_common[DSAF_COMM_DEV_NUM]; - struct rcb_common_cb *rcb_common[DSAF_COMM_DEV_NUM]; - struct hns_mac_cb *mac_cb[DSAF_MAX_PORT_NUM]; -- struct dsaf_misc_op *misc_op; -+ const struct dsaf_misc_op *misc_op; - - struct dsaf_hw_stats hw_stats[DSAF_NODE_NUM]; - struct dsaf_int_stat int_stat; -diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c -index 67accce..c7c747c 100644 ---- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c -+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c -@@ -582,56 +582,54 @@ hns_mac_config_sds_loopback_acpi(struct hns_mac_cb *mac_cb, bool en) - return 0; - } - --struct dsaf_misc_op *hns_misc_op_get(struct dsaf_device *dsaf_dev) -+const struct dsaf_misc_op *hns_misc_op_get(struct dsaf_device *dsaf_dev) - { -- struct dsaf_misc_op *misc_op; -- -- misc_op = devm_kzalloc(dsaf_dev->dev, sizeof(*misc_op), GFP_KERNEL); -- if (!misc_op) -- return NULL; -- -- if (dev_of_node(dsaf_dev->dev)) { -- misc_op->cpld_set_led = hns_cpld_set_led; -- misc_op->cpld_reset_led = cpld_led_reset; -- misc_op->cpld_set_led_id = cpld_set_led_id; -- -- misc_op->dsaf_reset = hns_dsaf_rst; -- misc_op->xge_srst = hns_dsaf_xge_srst_by_port; -- misc_op->xge_core_srst = hns_dsaf_xge_core_srst_by_port; -- misc_op->ge_srst = hns_dsaf_ge_srst_by_port; -- misc_op->ppe_srst = hns_ppe_srst_by_port; -- misc_op->ppe_comm_srst = hns_ppe_com_srst; -- misc_op->hns_dsaf_srst_chns = hns_dsaf_srst_chns; -- misc_op->hns_dsaf_roce_srst = hns_dsaf_roce_srst; -- -- misc_op->get_phy_if = hns_mac_get_phy_if; -- misc_op->get_sfp_prsnt = hns_mac_get_sfp_prsnt; -- -- misc_op->cfg_serdes_loopback = hns_mac_config_sds_loopback; -- } else if (is_acpi_node(dsaf_dev->dev->fwnode)) { -- misc_op->cpld_set_led = hns_cpld_set_led; -- misc_op->cpld_reset_led = cpld_led_reset; -- misc_op->cpld_set_led_id = cpld_set_led_id; -- -- misc_op->dsaf_reset = hns_dsaf_rst_acpi; -- misc_op->xge_srst = hns_dsaf_xge_srst_by_port_acpi; -- misc_op->xge_core_srst = hns_dsaf_xge_core_srst_by_port_acpi; -- misc_op->ge_srst = hns_dsaf_ge_srst_by_port_acpi; -- misc_op->ppe_srst = hns_ppe_srst_by_port_acpi; -- misc_op->ppe_comm_srst = hns_ppe_com_srst; -- misc_op->hns_dsaf_srst_chns = hns_dsaf_srst_chns_acpi; -- misc_op->hns_dsaf_roce_srst = hns_dsaf_roce_srst_acpi; -- -- misc_op->get_phy_if = hns_mac_get_phy_if_acpi; -- misc_op->get_sfp_prsnt = hns_mac_get_sfp_prsnt; -- -- misc_op->cfg_serdes_loopback = hns_mac_config_sds_loopback_acpi; -- } else { -- devm_kfree(dsaf_dev->dev, (void *)misc_op); -- misc_op = NULL; -- } -- -- return (void *)misc_op; -+ static const struct dsaf_misc_op dsaf_misc_ops = { -+ .cpld_set_led = hns_cpld_set_led, -+ .cpld_reset_led = cpld_led_reset, -+ .cpld_set_led_id = cpld_set_led_id, -+ -+ .dsaf_reset = hns_dsaf_rst, -+ .xge_srst = hns_dsaf_xge_srst_by_port, -+ .xge_core_srst = hns_dsaf_xge_core_srst_by_port, -+ .ge_srst = hns_dsaf_ge_srst_by_port, -+ .ppe_srst = hns_ppe_srst_by_port, -+ .ppe_comm_srst = hns_ppe_com_srst, -+ .hns_dsaf_srst_chns = hns_dsaf_srst_chns, -+ .hns_dsaf_roce_srst = hns_dsaf_roce_srst, -+ -+ .get_phy_if = hns_mac_get_phy_if, -+ .get_sfp_prsnt = hns_mac_get_sfp_prsnt, -+ -+ .cfg_serdes_loopback = hns_mac_config_sds_loopback, -+ }; -+ -+ static const struct dsaf_misc_op dsaf_misc_ops_acpi = { -+ .cpld_set_led = hns_cpld_set_led, -+ .cpld_reset_led = cpld_led_reset, -+ .cpld_set_led_id = cpld_set_led_id, -+ -+ .dsaf_reset = hns_dsaf_rst_acpi, -+ .xge_srst = hns_dsaf_xge_srst_by_port_acpi, -+ .xge_core_srst = hns_dsaf_xge_core_srst_by_port_acpi, -+ .ge_srst = hns_dsaf_ge_srst_by_port_acpi, -+ .ppe_srst = hns_ppe_srst_by_port_acpi, -+ .ppe_comm_srst = hns_ppe_com_srst, -+ .hns_dsaf_srst_chns = hns_dsaf_srst_chns_acpi, -+ .hns_dsaf_roce_srst = hns_dsaf_roce_srst_acpi, -+ -+ .get_phy_if = hns_mac_get_phy_if_acpi, -+ .get_sfp_prsnt = hns_mac_get_sfp_prsnt, -+ -+ .cfg_serdes_loopback = hns_mac_config_sds_loopback_acpi, -+ }; -+ -+ if (dev_of_node(dsaf_dev->dev)) -+ return &dsaf_misc_ops; -+ else if (is_acpi_node(dsaf_dev->dev->fwnode)) -+ return &dsaf_misc_ops_acpi; -+ -+ return NULL; - } - - static int hns_dsaf_dev_match(struct device *dev, void *fwnode) -diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.h b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.h -index 310e802..5e0cca8 100644 ---- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.h -+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.h -@@ -33,7 +33,7 @@ - #define DSAF_LED_DATA_B 4 - #define DSAF_LED_ANCHOR_B 5 - --struct dsaf_misc_op *hns_misc_op_get(struct dsaf_device *dsaf_dev); -+const struct dsaf_misc_op *hns_misc_op_get(struct dsaf_device *dsaf_dev); - struct - platform_device *hns_dsaf_find_platform_device(struct fwnode_handle *fwnode); - #endif -diff --git a/drivers/net/ethernet/i825xx/lib82596.c b/drivers/net/ethernet/i825xx/lib82596.c -index 3dbc53c2..fa08fb8 100644 ---- a/drivers/net/ethernet/i825xx/lib82596.c -+++ b/drivers/net/ethernet/i825xx/lib82596.c -@@ -347,7 +347,7 @@ static const char init_setup[] = - 0x7f /* *multi IA */ }; - - static int i596_open(struct net_device *dev); --static int i596_start_xmit(struct sk_buff *skb, struct net_device *dev); -+static netdev_tx_t i596_start_xmit(struct sk_buff *skb, struct net_device *dev); - static irqreturn_t i596_interrupt(int irq, void *dev_id); - static int i596_close(struct net_device *dev); - static void i596_add_cmd(struct net_device *dev, struct i596_cmd *cmd); -@@ -965,7 +965,7 @@ static void i596_tx_timeout (struct net_device *dev) - } - - --static int i596_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t i596_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct i596_private *lp = netdev_priv(dev); - struct tx_cmd *tx_cmd; -diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c -index bd719e2..3c8d84a 100644 ---- a/drivers/net/ethernet/ibm/ehea/ehea_main.c -+++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c -@@ -2047,7 +2047,7 @@ static void ehea_xmit3(struct sk_buff *skb, struct net_device *dev, - dev_consume_skb_any(skb); - } - --static int ehea_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t ehea_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct ehea_port *port = netdev_priv(dev); - struct ehea_swqe *swqe; -diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c -index 8f13919..d346ced 100644 ---- a/drivers/net/ethernet/ibm/emac/core.c -+++ b/drivers/net/ethernet/ibm/emac/core.c -@@ -1415,7 +1415,7 @@ static inline int emac_xmit_finish(struct emac_instance *dev, int len) - } - - /* Tx lock BH */ --static int emac_start_xmit(struct sk_buff *skb, struct net_device *ndev) -+static netdev_tx_t emac_start_xmit(struct sk_buff *skb, struct net_device *ndev) - { - struct emac_instance *dev = netdev_priv(ndev); - unsigned int len = skb->len; -@@ -1473,7 +1473,7 @@ static inline int emac_xmit_split(struct emac_instance *dev, int slot, - } - - /* Tx lock BH disabled (SG version for TAH equipped EMACs) */ --static int emac_start_xmit_sg(struct sk_buff *skb, struct net_device *ndev) -+static netdev_tx_t emac_start_xmit_sg(struct sk_buff *skb, struct net_device *ndev) - { - struct emac_instance *dev = netdev_priv(ndev); - int nr_frags = skb_shinfo(skb)->nr_frags; -diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c -index 068789e..f4928f0 100644 ---- a/drivers/net/ethernet/intel/e100.c -+++ b/drivers/net/ethernet/intel/e100.c -@@ -3106,7 +3106,7 @@ static void e100_shutdown(struct pci_dev *pdev) - * @pdev: Pointer to PCI device - * @state: The current pci connection state - */ --static pci_ers_result_t e100_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) -+static pci_ers_result_t e100_io_error_detected(struct pci_dev *pdev, enum pci_channel_state state) - { - struct net_device *netdev = pci_get_drvdata(pdev); - struct nic *nic = netdev_priv(netdev); -diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c -index f42129d..d2e3932 100644 ---- a/drivers/net/ethernet/intel/e1000/e1000_main.c -+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c -@@ -5272,7 +5272,7 @@ static void e1000_netpoll(struct net_device *netdev) - * this device has been detected. - */ - static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct net_device *netdev = pci_get_drvdata(pdev); - struct e1000_adapter *adapter = netdev_priv(netdev); -diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c -index 7017281..6bbf47e 100644 ---- a/drivers/net/ethernet/intel/e1000e/netdev.c -+++ b/drivers/net/ethernet/intel/e1000e/netdev.c -@@ -6784,7 +6784,7 @@ static void e1000_netpoll(struct net_device *netdev) - * this device has been detected. - */ - static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct net_device *netdev = pci_get_drvdata(pdev); - struct e1000_adapter *adapter = netdev_priv(netdev); -diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c -index b1a2f84..d647328 100644 ---- a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c -+++ b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c -@@ -2261,7 +2261,7 @@ static int fm10k_suspend(struct pci_dev *pdev, - * this device has been detected. - */ - static pci_ers_result_t fm10k_io_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct fm10k_intfc *interface = pci_get_drvdata(pdev); - struct net_device *netdev = interface->netdev; -diff --git a/drivers/net/ethernet/intel/i40e/i40e_ptp.c b/drivers/net/ethernet/intel/i40e/i40e_ptp.c -index f1fecea..3f54fcb 100644 ---- a/drivers/net/ethernet/intel/i40e/i40e_ptp.c -+++ b/drivers/net/ethernet/intel/i40e/i40e_ptp.c -@@ -417,7 +417,7 @@ void i40e_ptp_set_increment(struct i40e_pf *pf) - wr32(hw, I40E_PRTTSYN_INC_H, incval >> 32); - - /* Update the base adjustement value. */ -- ACCESS_ONCE(pf->ptp_base_adj) = incval; -+ ACCESS_ONCE_RW(pf->ptp_base_adj) = incval; - smp_mb(); /* Force the above update. */ - } - -diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c -index 9affd7c..2248c78 100644 ---- a/drivers/net/ethernet/intel/igb/igb_main.c -+++ b/drivers/net/ethernet/intel/igb/igb_main.c -@@ -7837,7 +7837,7 @@ static void igb_netpoll(struct net_device *netdev) - * this device has been detected. - **/ - static pci_ers_result_t igb_io_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct net_device *netdev = pci_get_drvdata(pdev); - struct igb_adapter *adapter = netdev_priv(netdev); -diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c -index 7dff7f6..fc020eb 100644 ---- a/drivers/net/ethernet/intel/igbvf/netdev.c -+++ b/drivers/net/ethernet/intel/igbvf/netdev.c -@@ -2515,7 +2515,7 @@ static void igbvf_netpoll(struct net_device *netdev) - * this device has been detected. - */ - static pci_ers_result_t igbvf_io_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct net_device *netdev = pci_get_drvdata(pdev); - struct igbvf_adapter *adapter = netdev_priv(netdev); -diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c -index fee1f2918..57fce92 100644 ---- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c -+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c -@@ -9912,7 +9912,7 @@ static void ixgbe_remove(struct pci_dev *pdev) - * this device has been detected. - */ - static pci_ers_result_t ixgbe_io_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct ixgbe_adapter *adapter = pci_get_drvdata(pdev); - struct net_device *netdev = adapter->netdev; -diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c -index a922776..bd7a800 100644 ---- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c -+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c -@@ -1122,7 +1122,7 @@ void ixgbe_ptp_start_cyclecounter(struct ixgbe_adapter *adapter) - } - - /* update the base incval used to calculate frequency adjustment */ -- ACCESS_ONCE(adapter->base_incval) = incval; -+ ACCESS_ONCE_RW(adapter->base_incval) = incval; - smp_mb(); - - /* need lock to prevent incorrect read while modifying cyclecounter */ -diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c -index cbf70fe..c75e433 100644 ---- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c -+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c -@@ -3629,7 +3629,7 @@ static int ixgbevf_maybe_stop_tx(struct ixgbevf_ring *tx_ring, int size) - return __ixgbevf_maybe_stop_tx(tx_ring, size); - } - --static int ixgbevf_xmit_frame(struct sk_buff *skb, struct net_device *netdev) -+static netdev_tx_t ixgbevf_xmit_frame(struct sk_buff *skb, struct net_device *netdev) - { - struct ixgbevf_adapter *adapter = netdev_priv(netdev); - struct ixgbevf_tx_buffer *first; -@@ -4221,7 +4221,7 @@ static void ixgbevf_remove(struct pci_dev *pdev) - * this device has been detected. - **/ - static pci_ers_result_t ixgbevf_io_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct net_device *netdev = pci_get_drvdata(pdev); - struct ixgbevf_adapter *adapter = netdev_priv(netdev); -diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c -index 707bc46..14bf9a5 100644 ---- a/drivers/net/ethernet/marvell/mvneta.c -+++ b/drivers/net/ethernet/marvell/mvneta.c -@@ -2292,7 +2292,7 @@ static int mvneta_tx_frag_process(struct mvneta_port *pp, struct sk_buff *skb, - } - - /* Main tx processing */ --static int mvneta_tx(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t mvneta_tx(struct sk_buff *skb, struct net_device *dev) - { - struct mvneta_port *pp = netdev_priv(dev); - u16 txq_id = skb_get_queue_mapping(skb); -diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c -index 0a4e81a..fb7eb36 100644 ---- a/drivers/net/ethernet/marvell/mvpp2.c -+++ b/drivers/net/ethernet/marvell/mvpp2.c -@@ -5237,7 +5237,7 @@ static int mvpp2_tx_frag_process(struct mvpp2_port *port, struct sk_buff *skb, - } - - /* Main tx processing */ --static int mvpp2_tx(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t mvpp2_tx(struct sk_buff *skb, struct net_device *dev) - { - struct mvpp2_port *port = netdev_priv(dev); - struct mvpp2_tx_queue *txq, *aggr_txq; -diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c -index 5d5000c..7437949f 100644 ---- a/drivers/net/ethernet/marvell/pxa168_eth.c -+++ b/drivers/net/ethernet/marvell/pxa168_eth.c -@@ -1271,7 +1271,7 @@ static int pxa168_rx_poll(struct napi_struct *napi, int budget) - return work_done; - } - --static int pxa168_eth_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t pxa168_eth_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct pxa168_eth_private *pep = netdev_priv(dev); - struct net_device_stats *stats = &dev->stats; -diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c -index e2509bb..8357fef 100644 ---- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c -+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c -@@ -495,8 +495,8 @@ static bool mlx4_en_process_tx_cq(struct net_device *dev, - wmb(); - - /* we want to dirty this cache line once */ -- ACCESS_ONCE(ring->last_nr_txbb) = last_nr_txbb; -- ACCESS_ONCE(ring->cons) = ring_cons + txbbs_skipped; -+ ACCESS_ONCE_RW(ring->last_nr_txbb) = last_nr_txbb; -+ ACCESS_ONCE_RW(ring->cons) = ring_cons + txbbs_skipped; - - if (ring->free_tx_desc == mlx4_en_recycle_tx_desc) - return done < budget; -diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c -index b2ca8a6..4f1c28e 100644 ---- a/drivers/net/ethernet/mellanox/mlx4/main.c -+++ b/drivers/net/ethernet/mellanox/mlx4/main.c -@@ -4071,7 +4071,7 @@ static const struct pci_device_id mlx4_pci_table[] = { - MODULE_DEVICE_TABLE(pci, mlx4_pci_table); - - static pci_ers_result_t mlx4_pci_err_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); - -diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c -index 7a196a0..da60bf8 100644 ---- a/drivers/net/ethernet/mellanox/mlx5/core/main.c -+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c -@@ -1312,7 +1312,7 @@ static void remove_one(struct pci_dev *pdev) - } - - static pci_ers_result_t mlx5_pci_err_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct mlx5_core_dev *dev = pci_get_drvdata(pdev); - struct mlx5_priv *priv = &dev->priv; -diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c -index f902c4d..de8ce4e 100644 ---- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c -+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c -@@ -4640,16 +4640,16 @@ static int mlxsw_sp_netdevice_event(struct notifier_block *unused, - return notifier_from_errno(err); - } - --static struct notifier_block mlxsw_sp_netdevice_nb __read_mostly = { -+static struct notifier_block mlxsw_sp_netdevice_nb = { - .notifier_call = mlxsw_sp_netdevice_event, - }; - --static struct notifier_block mlxsw_sp_inetaddr_nb __read_mostly = { -+static struct notifier_block mlxsw_sp_inetaddr_nb = { - .notifier_call = mlxsw_sp_inetaddr_event, - .priority = 10, /* Must be called before FIB notifier block */ - }; - --static struct notifier_block mlxsw_sp_router_netevent_nb __read_mostly = { -+static struct notifier_block mlxsw_sp_router_netevent_nb = { - .notifier_call = mlxsw_sp_router_netevent_event, - }; - -diff --git a/drivers/net/ethernet/micrel/ks8695net.c b/drivers/net/ethernet/micrel/ks8695net.c -index 20cb85b..6135d90 100644 ---- a/drivers/net/ethernet/micrel/ks8695net.c -+++ b/drivers/net/ethernet/micrel/ks8695net.c -@@ -1156,7 +1156,7 @@ ks8695_timeout(struct net_device *ndev) - * sk_buff and adds it to the TX ring. It then kicks the TX DMA - * engine to ensure transmission begins. - */ --static int -+static netdev_tx_t - ks8695_start_xmit(struct sk_buff *skb, struct net_device *ndev) - { - struct ks8695_priv *ksp = netdev_priv(ndev); -diff --git a/drivers/net/ethernet/micrel/ks8851_mll.c b/drivers/net/ethernet/micrel/ks8851_mll.c -index 2fc5cd5..6c6108a 100644 ---- a/drivers/net/ethernet/micrel/ks8851_mll.c -+++ b/drivers/net/ethernet/micrel/ks8851_mll.c -@@ -1020,7 +1020,7 @@ static void ks_write_qmu(struct ks_net *ks, u8 *pdata, u16 len) - * spin_lock_irqsave is required because tx and rx should be mutual exclusive. - * So while tx is in-progress, prevent IRQ interrupt from happenning. - */ --static int ks_start_xmit(struct sk_buff *skb, struct net_device *netdev) -+static netdev_tx_t ks_start_xmit(struct sk_buff *skb, struct net_device *netdev) - { - int retv = NETDEV_TX_OK; - struct ks_net *ks = netdev_priv(netdev); -diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c -index 4367dd6..c32f151 100644 ---- a/drivers/net/ethernet/moxa/moxart_ether.c -+++ b/drivers/net/ethernet/moxa/moxart_ether.c -@@ -319,7 +319,7 @@ static irqreturn_t moxart_mac_interrupt(int irq, void *dev_id) - return IRQ_HANDLED; - } - --static int moxart_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) -+static netdev_tx_t moxart_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) - { - struct moxart_mac_priv_t *priv = netdev_priv(ndev); - void *desc; -diff --git a/drivers/net/ethernet/neterion/s2io.c b/drivers/net/ethernet/neterion/s2io.c -index eaa37c0..8295b08 100644 ---- a/drivers/net/ethernet/neterion/s2io.c -+++ b/drivers/net/ethernet/neterion/s2io.c -@@ -8556,7 +8556,7 @@ static void lro_append_pkt(struct s2io_nic *sp, struct lro *lro, - * this device has been detected. - */ - static pci_ers_result_t s2io_io_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct net_device *netdev = pci_get_drvdata(pdev); - struct s2io_nic *sp = netdev_priv(netdev); -diff --git a/drivers/net/ethernet/neterion/vxge/vxge-config.c b/drivers/net/ethernet/neterion/vxge/vxge-config.c -index 6223930..975033d 100644 ---- a/drivers/net/ethernet/neterion/vxge/vxge-config.c -+++ b/drivers/net/ethernet/neterion/vxge/vxge-config.c -@@ -3457,7 +3457,10 @@ __vxge_hw_fifo_create(struct __vxge_hw_vpath_handle *vp, - struct __vxge_hw_fifo *fifo; - struct vxge_hw_fifo_config *config; - u32 txdl_size, txdl_per_memblock; -- struct vxge_hw_mempool_cbs fifo_mp_callback; -+ static struct vxge_hw_mempool_cbs fifo_mp_callback = { -+ .item_func_alloc = __vxge_hw_fifo_mempool_item_alloc, -+ }; -+ - struct __vxge_hw_virtualpath *vpath; - - if ((vp == NULL) || (attr == NULL)) { -@@ -3540,8 +3543,6 @@ __vxge_hw_fifo_create(struct __vxge_hw_vpath_handle *vp, - goto exit; - } - -- fifo_mp_callback.item_func_alloc = __vxge_hw_fifo_mempool_item_alloc; -- - fifo->mempool = - __vxge_hw_mempool_create(vpath->hldev, - fifo->config->memblock_size, -diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c -index e0993eb..d8d7f50 100644 ---- a/drivers/net/ethernet/neterion/vxge/vxge-main.c -+++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c -@@ -4043,7 +4043,7 @@ static int vxge_pm_resume(struct pci_dev *pdev) - * this device has been detected. - */ - static pci_ers_result_t vxge_io_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct __vxge_hw_device *hldev = pci_get_drvdata(pdev); - struct net_device *netdev = hldev->ndev; -diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c -index aee3fd2..af5b0db 100644 ---- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c -+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c -@@ -752,7 +752,7 @@ static void nfp_net_tx_csum(struct nfp_net *nn, struct nfp_net_r_vector *r_vec, - * - * Return: NETDEV_TX_OK on success. - */ --static int nfp_net_tx(struct sk_buff *skb, struct net_device *netdev) -+static netdev_tx_t nfp_net_tx(struct sk_buff *skb, struct net_device *netdev) - { - struct nfp_net *nn = netdev_priv(netdev); - const struct skb_frag_struct *frag; -diff --git a/drivers/net/ethernet/netx-eth.c b/drivers/net/ethernet/netx-eth.c -index adbc47f..d072612 100644 ---- a/drivers/net/ethernet/netx-eth.c -+++ b/drivers/net/ethernet/netx-eth.c -@@ -107,7 +107,7 @@ static void netx_eth_set_multicast_list(struct net_device *ndev) - /* implement me */ - } - --static int -+static netdev_tx_t - netx_eth_hard_start_xmit(struct sk_buff *skb, struct net_device *ndev) - { - struct netx_eth_priv *priv = netdev_priv(ndev); -diff --git a/drivers/net/ethernet/nuvoton/w90p910_ether.c b/drivers/net/ethernet/nuvoton/w90p910_ether.c -index 712d8bc..52b4cde 100644 ---- a/drivers/net/ethernet/nuvoton/w90p910_ether.c -+++ b/drivers/net/ethernet/nuvoton/w90p910_ether.c -@@ -633,7 +633,7 @@ static int w90p910_send_frame(struct net_device *dev, - return 0; - } - --static int w90p910_ether_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t w90p910_ether_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct w90p910_ether *ether = netdev_priv(dev); - -diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c -index 9b0d7f4..c29155f 100644 ---- a/drivers/net/ethernet/nvidia/forcedeth.c -+++ b/drivers/net/ethernet/nvidia/forcedeth.c -@@ -357,8 +357,8 @@ struct ring_desc { - }; - - struct ring_desc_ex { -- __le32 bufhigh; -- __le32 buflow; -+ __le32 bufhigh __intentional_overflow(0); -+ __le32 buflow __intentional_overflow(0); - __le32 txvlan; - __le32 flaglen; - }; -diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c -index 8e13ec8..b654ea0 100644 ---- a/drivers/net/ethernet/nxp/lpc_eth.c -+++ b/drivers/net/ethernet/nxp/lpc_eth.c -@@ -1053,7 +1053,7 @@ static int lpc_eth_close(struct net_device *ndev) - return 0; - } - --static int lpc_eth_hard_start_xmit(struct sk_buff *skb, struct net_device *ndev) -+static netdev_tx_t lpc_eth_hard_start_xmit(struct sk_buff *skb, struct net_device *ndev) - { - struct netdata_local *pldat = netdev_priv(ndev); - u32 len, txidx; -diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c -index 3cd87a4..3eb33e7 100644 ---- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c -+++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c -@@ -2130,7 +2130,7 @@ static int pch_gbe_stop(struct net_device *netdev) - * - NETDEV_TX_OK: Normal end - * - NETDEV_TX_BUSY: Error end - */ --static int pch_gbe_xmit_frame(struct sk_buff *skb, struct net_device *netdev) -+static netdev_tx_t pch_gbe_xmit_frame(struct sk_buff *skb, struct net_device *netdev) - { - struct pch_gbe_adapter *adapter = netdev_priv(netdev); - struct pch_gbe_tx_ring *tx_ring = adapter->tx_ring; -@@ -2439,7 +2439,7 @@ static const struct net_device_ops pch_gbe_netdev_ops = { - }; - - static pci_ers_result_t pch_gbe_io_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct net_device *netdev = pci_get_drvdata(pdev); - struct pch_gbe_adapter *adapter = netdev_priv(netdev); -diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c -index 7a0281a..ff425351 100644 ---- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c -+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c -@@ -1757,7 +1757,7 @@ static int netxen_nic_attach_func(struct pci_dev *pdev) - } - - static pci_ers_result_t netxen_io_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct netxen_adapter *adapter = pci_get_drvdata(pdev); - -diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c -index a496390..eaa03ae 100644 ---- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c -+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c -@@ -2320,7 +2320,9 @@ int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter) - max_tx_rings = QLCNIC_MAX_VNIC_TX_RINGS; - } else if (ret == QLC_83XX_DEFAULT_OPMODE) { - ahw->nic_mode = QLCNIC_DEFAULT_MODE; -- adapter->nic_ops->init_driver = qlcnic_83xx_init_default_driver; -+ pax_open_kernel(); -+ const_cast(adapter->nic_ops->init_driver) = qlcnic_83xx_init_default_driver; -+ pax_close_kernel(); - ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry; - max_sds_rings = QLCNIC_MAX_SDS_RINGS; - max_tx_rings = QLCNIC_MAX_TX_RINGS; -diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c -index 3490675..cf148ea 100644 ---- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c -+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c -@@ -207,17 +207,23 @@ int qlcnic_83xx_config_vnic_opmode(struct qlcnic_adapter *adapter) - case QLCNIC_NON_PRIV_FUNC: - ahw->op_mode = QLCNIC_NON_PRIV_FUNC; - ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry; -- nic_ops->init_driver = qlcnic_83xx_init_non_privileged_vnic; -+ pax_open_kernel(); -+ const_cast(nic_ops->init_driver) = qlcnic_83xx_init_non_privileged_vnic; -+ pax_close_kernel(); - break; - case QLCNIC_PRIV_FUNC: - ahw->op_mode = QLCNIC_PRIV_FUNC; - ahw->idc.state_entry = qlcnic_83xx_idc_vnic_pf_entry; -- nic_ops->init_driver = qlcnic_83xx_init_privileged_vnic; -+ pax_open_kernel(); -+ const_cast(nic_ops->init_driver) = qlcnic_83xx_init_privileged_vnic; -+ pax_close_kernel(); - break; - case QLCNIC_MGMT_FUNC: - ahw->op_mode = QLCNIC_MGMT_FUNC; - ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry; -- nic_ops->init_driver = qlcnic_83xx_init_mgmt_vnic; -+ pax_open_kernel(); -+ const_cast(nic_ops->init_driver) = qlcnic_83xx_init_mgmt_vnic; -+ pax_close_kernel(); - break; - default: - dev_err(&adapter->pdev->dev, "Invalid Virtual NIC opmode\n"); -diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c -index 3ae3968..64e0e7d 100644 ---- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c -+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c -@@ -3975,7 +3975,7 @@ static void qlcnic_82xx_io_resume(struct pci_dev *pdev) - } - - static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); - struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; -diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c -index 0844b7c..afa10a1 100644 ---- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c -+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c -@@ -1285,7 +1285,7 @@ int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter) - int qlcnic_dump_fw(struct qlcnic_adapter *adapter) - { - struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; -- static const struct qlcnic_dump_operations *fw_dump_ops; -+ const struct qlcnic_dump_operations *fw_dump_ops; - struct qlcnic_83xx_dump_template_hdr *hdr_83xx; - u32 entry_offset, dump, no_entries, buf_offset = 0; - int i, k, ops_cnt, ops_index, dump_size = 0; -diff --git a/drivers/net/ethernet/qualcomm/emac/emac-mac.c b/drivers/net/ethernet/qualcomm/emac/emac-mac.c -index 0b4deb3..61fbc9e0 100644 ---- a/drivers/net/ethernet/qualcomm/emac/emac-mac.c -+++ b/drivers/net/ethernet/qualcomm/emac/emac-mac.c -@@ -1493,7 +1493,7 @@ static void emac_tx_fill_tpd(struct emac_adapter *adpt, - } - - /* Transmit the packet using specified transmit queue */ --int emac_mac_tx_buf_send(struct emac_adapter *adpt, struct emac_tx_queue *tx_q, -+netdev_tx_t emac_mac_tx_buf_send(struct emac_adapter *adpt, struct emac_tx_queue *tx_q, - struct sk_buff *skb) - { - struct emac_tpd tpd; -diff --git a/drivers/net/ethernet/qualcomm/emac/emac-mac.h b/drivers/net/ethernet/qualcomm/emac/emac-mac.h -index f3aa24d..cb6b701 100644 ---- a/drivers/net/ethernet/qualcomm/emac/emac-mac.h -+++ b/drivers/net/ethernet/qualcomm/emac/emac-mac.h -@@ -235,7 +235,7 @@ void emac_mac_stop(struct emac_adapter *adpt); - void emac_mac_mode_config(struct emac_adapter *adpt); - void emac_mac_rx_process(struct emac_adapter *adpt, struct emac_rx_queue *rx_q, - int *num_pkts, int max_pkts); --int emac_mac_tx_buf_send(struct emac_adapter *adpt, struct emac_tx_queue *tx_q, -+netdev_tx_t emac_mac_tx_buf_send(struct emac_adapter *adpt, struct emac_tx_queue *tx_q, - struct sk_buff *skb); - void emac_mac_tx_process(struct emac_adapter *adpt, struct emac_tx_queue *tx_q); - void emac_mac_rx_tx_ring_init_all(struct platform_device *pdev, -diff --git a/drivers/net/ethernet/qualcomm/emac/emac.c b/drivers/net/ethernet/qualcomm/emac/emac.c -index 57b35ae..fe76b1f 100644 ---- a/drivers/net/ethernet/qualcomm/emac/emac.c -+++ b/drivers/net/ethernet/qualcomm/emac/emac.c -@@ -139,7 +139,7 @@ static int emac_napi_rtx(struct napi_struct *napi, int budget) - } - - /* Transmit the packet */ --static int emac_start_xmit(struct sk_buff *skb, struct net_device *netdev) -+static netdev_tx_t emac_start_xmit(struct sk_buff *skb, struct net_device *netdev) - { - struct emac_adapter *adpt = netdev_priv(netdev); - -diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c -index bf000d8..4879486 100644 ---- a/drivers/net/ethernet/realtek/r8169.c -+++ b/drivers/net/ethernet/realtek/r8169.c -@@ -798,22 +798,22 @@ struct rtl8169_private { - struct mdio_ops { - void (*write)(struct rtl8169_private *, int, int); - int (*read)(struct rtl8169_private *, int); -- } mdio_ops; -+ } __no_const mdio_ops; - - struct pll_power_ops { - void (*down)(struct rtl8169_private *); - void (*up)(struct rtl8169_private *); -- } pll_power_ops; -+ } __no_const pll_power_ops; - - struct jumbo_ops { - void (*enable)(struct rtl8169_private *); - void (*disable)(struct rtl8169_private *); -- } jumbo_ops; -+ } __no_const jumbo_ops; - - struct csi_ops { - void (*write)(struct rtl8169_private *, int, int); - u32 (*read)(struct rtl8169_private *, int); -- } csi_ops; -+ } __no_const csi_ops; - - int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv); - int (*get_settings)(struct net_device *, struct ethtool_cmd *); -diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c -index 1a92de7..cfda428 100644 ---- a/drivers/net/ethernet/renesas/sh_eth.c -+++ b/drivers/net/ethernet/renesas/sh_eth.c -@@ -2297,7 +2297,7 @@ static void sh_eth_tx_timeout(struct net_device *ndev) - } - - /* Packet transmit function */ --static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev) -+static netdev_tx_t sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev) - { - struct sh_eth_private *mdp = netdev_priv(ndev); - struct sh_eth_txdesc *txdesc; -diff --git a/drivers/net/ethernet/rocker/rocker_main.c b/drivers/net/ethernet/rocker/rocker_main.c -index 24b7464..1a1cbdf 100644 ---- a/drivers/net/ethernet/rocker/rocker_main.c -+++ b/drivers/net/ethernet/rocker/rocker_main.c -@@ -2890,7 +2890,7 @@ static int rocker_netdevice_event(struct notifier_block *unused, - return NOTIFY_DONE; - } - --static struct notifier_block rocker_netdevice_nb __read_mostly = { -+static struct notifier_block rocker_netdevice_nb = { - .notifier_call = rocker_netdevice_event, - }; - -@@ -2924,7 +2924,7 @@ static int rocker_netevent_event(struct notifier_block *unused, - return NOTIFY_DONE; - } - --static struct notifier_block rocker_netevent_nb __read_mostly = { -+static struct notifier_block rocker_netevent_nb = { - .notifier_call = rocker_netevent_event, - }; - -diff --git a/drivers/net/ethernet/seeq/sgiseeq.c b/drivers/net/ethernet/seeq/sgiseeq.c -index c2bd537..540a981 100644 ---- a/drivers/net/ethernet/seeq/sgiseeq.c -+++ b/drivers/net/ethernet/seeq/sgiseeq.c -@@ -578,7 +578,7 @@ static inline int sgiseeq_reset(struct net_device *dev) - return 0; - } - --static int sgiseeq_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t sgiseeq_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct sgiseeq_private *sp = netdev_priv(dev); - struct hpc3_ethregs *hregs = sp->hregs; -diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c -index 77a5364..4a8d1f8 100644 ---- a/drivers/net/ethernet/sfc/ptp.c -+++ b/drivers/net/ethernet/sfc/ptp.c -@@ -832,7 +832,7 @@ static int efx_ptp_synchronize(struct efx_nic *efx, unsigned int num_readings) - ptp->start.dma_addr); - - /* Clear flag that signals MC ready */ -- ACCESS_ONCE(*start) = 0; -+ ACCESS_ONCE_RW(*start) = 0; - rc = efx_mcdi_rpc_start(efx, MC_CMD_PTP, synch_buf, - MC_CMD_PTP_IN_SYNCHRONIZE_LEN); - EFX_BUG_ON_PARANOID(rc); -diff --git a/drivers/net/ethernet/sfc/selftest.c b/drivers/net/ethernet/sfc/selftest.c -index cd38b44..bfcf4b9 100644 ---- a/drivers/net/ethernet/sfc/selftest.c -+++ b/drivers/net/ethernet/sfc/selftest.c -@@ -82,8 +82,8 @@ struct efx_loopback_state { - int packet_count; - struct sk_buff **skbs; - bool offload_csum; -- atomic_t rx_good; -- atomic_t rx_bad; -+ atomic_unchecked_t rx_good; -+ atomic_unchecked_t rx_bad; - struct efx_loopback_payload payload; - }; - -@@ -357,12 +357,12 @@ void efx_loopback_rx_packet(struct efx_nic *efx, - netif_vdbg(efx, drv, efx->net_dev, - "got loopback RX in %s loopback test\n", LOOPBACK_MODE(efx)); - -- atomic_inc(&state->rx_good); -+ atomic_inc_unchecked(&state->rx_good); - return; - - err: - #ifdef DEBUG -- if (atomic_read(&state->rx_bad) == 0) { -+ if (atomic_read_unchecked(&state->rx_bad) == 0) { - netif_err(efx, drv, efx->net_dev, "received packet:\n"); - print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 0x10, 1, - buf_ptr, pkt_len, 0); -@@ -371,7 +371,7 @@ void efx_loopback_rx_packet(struct efx_nic *efx, - &state->payload, sizeof(state->payload), 0); - } - #endif -- atomic_inc(&state->rx_bad); -+ atomic_inc_unchecked(&state->rx_bad); - } - - /* Initialise an efx_selftest_state for a new iteration */ -@@ -405,8 +405,8 @@ static void efx_iterate_state(struct efx_nic *efx) - memcpy(&payload->msg, payload_msg, sizeof(payload_msg)); - - /* Fill out remaining state members */ -- atomic_set(&state->rx_good, 0); -- atomic_set(&state->rx_bad, 0); -+ atomic_set_unchecked(&state->rx_good, 0); -+ atomic_set_unchecked(&state->rx_bad, 0); - smp_wmb(); - } - -@@ -464,7 +464,7 @@ static int efx_poll_loopback(struct efx_nic *efx) - { - struct efx_loopback_state *state = efx->loopback_selftest; - -- return atomic_read(&state->rx_good) == state->packet_count; -+ return atomic_read_unchecked(&state->rx_good) == state->packet_count; - } - - static int efx_end_loopback(struct efx_tx_queue *tx_queue, -@@ -490,8 +490,8 @@ static int efx_end_loopback(struct efx_tx_queue *tx_queue, - netif_tx_unlock_bh(efx->net_dev); - - /* Check TX completion and received packet counts */ -- rx_good = atomic_read(&state->rx_good); -- rx_bad = atomic_read(&state->rx_bad); -+ rx_good = atomic_read_unchecked(&state->rx_good); -+ rx_bad = atomic_read_unchecked(&state->rx_bad); - if (tx_done != state->packet_count) { - /* Don't free the skbs; they will be picked up on TX - * overflow or channel teardown. -diff --git a/drivers/net/ethernet/sgi/ioc3-eth.c b/drivers/net/ethernet/sgi/ioc3-eth.c -index 7a254da..0693a2b4 100644 ---- a/drivers/net/ethernet/sgi/ioc3-eth.c -+++ b/drivers/net/ethernet/sgi/ioc3-eth.c -@@ -103,7 +103,7 @@ static inline struct net_device *priv_netdev(struct ioc3_private *dev) - - static int ioc3_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); - static void ioc3_set_multicast_list(struct net_device *dev); --static int ioc3_start_xmit(struct sk_buff *skb, struct net_device *dev); -+static netdev_tx_t ioc3_start_xmit(struct sk_buff *skb, struct net_device *dev); - static void ioc3_timeout(struct net_device *dev); - static inline unsigned int ioc3_hash(const unsigned char *addr); - static inline void ioc3_stop(struct ioc3_private *ip); -@@ -1397,7 +1397,7 @@ static struct pci_driver ioc3_driver = { - .remove = ioc3_remove_one, - }; - --static int ioc3_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t ioc3_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - unsigned long data; - struct ioc3_private *ip = netdev_priv(dev); -diff --git a/drivers/net/ethernet/smsc/smc911x.c b/drivers/net/ethernet/smsc/smc911x.c -index cb49c96..c1498cc 100644 ---- a/drivers/net/ethernet/smsc/smc911x.c -+++ b/drivers/net/ethernet/smsc/smc911x.c -@@ -514,7 +514,7 @@ static void smc911x_hardware_send_pkt(struct net_device *dev) - * now, or set the card to generates an interrupt when ready - * for the packet. - */ --static int smc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t smc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct smc911x_local *lp = netdev_priv(dev); - unsigned int free; -diff --git a/drivers/net/ethernet/smsc/smc91x.c b/drivers/net/ethernet/smsc/smc91x.c -index 7321259..ac40075 100644 ---- a/drivers/net/ethernet/smsc/smc91x.c -+++ b/drivers/net/ethernet/smsc/smc91x.c -@@ -637,7 +637,7 @@ done: if (!THROTTLE_TX_PKTS) - * now, or set the card to generates an interrupt when ready - * for the packet. - */ --static int smc_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t smc_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct smc_local *lp = netdev_priv(dev); - void __iomem *ioaddr = lp->base; -diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c -index 8b0016a..443f4c1 100644 ---- a/drivers/net/ethernet/smsc/smsc911x.c -+++ b/drivers/net/ethernet/smsc/smsc911x.c -@@ -1776,7 +1776,7 @@ static int smsc911x_stop(struct net_device *dev) - } - - /* Entry point for transmitting a packet */ --static int smsc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t smsc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct smsc911x_data *pdata = netdev_priv(dev); - unsigned int freespace; -diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c -index ce9aa79..ad1831f 100644 ---- a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c -+++ b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c -@@ -140,8 +140,8 @@ void dwmac_mmc_ctrl(void __iomem *mmcaddr, unsigned int mode) - - writel(value, mmcaddr + MMC_CNTRL); - -- pr_debug("stmmac: MMC ctrl register (offset 0x%x): 0x%08x\n", -- MMC_CNTRL, value); -+// pr_debug("stmmac: MMC ctrl register (offset 0x%x): 0x%08x\n", -+// MMC_CNTRL, value); - } - - /* To mask all all interrupts.*/ -diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c -index b2893fb..4d6caf3 100644 ---- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c -+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c -@@ -1177,8 +1177,8 @@ static int alloc_dma_desc_resources(struct stmmac_priv *priv) - if (!priv->rx_skbuff) - goto err_rx_skbuff; - -- priv->tx_skbuff_dma = kmalloc_array(DMA_TX_SIZE, -- sizeof(*priv->tx_skbuff_dma), -+ priv->tx_skbuff_dma = kmalloc_array(sizeof(*priv->tx_skbuff_dma), -+ DMA_TX_SIZE, - GFP_KERNEL); - if (!priv->tx_skbuff_dma) - goto err_tx_skbuff_dma; -diff --git a/drivers/net/ethernet/sun/sunbmac.c b/drivers/net/ethernet/sun/sunbmac.c -index 02f4527..7f02f30 100644 ---- a/drivers/net/ethernet/sun/sunbmac.c -+++ b/drivers/net/ethernet/sun/sunbmac.c -@@ -951,7 +951,7 @@ static void bigmac_tx_timeout(struct net_device *dev) - } - - /* Put a packet on the wire. */ --static int bigmac_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t bigmac_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct bigmac *bp = netdev_priv(dev); - int len, entry; -diff --git a/drivers/net/ethernet/sun/sunqe.c b/drivers/net/ethernet/sun/sunqe.c -index 9582948..7f70dc8 100644 ---- a/drivers/net/ethernet/sun/sunqe.c -+++ b/drivers/net/ethernet/sun/sunqe.c -@@ -569,7 +569,7 @@ static void qe_tx_timeout(struct net_device *dev) - } - - /* Get a packet queued to go onto the wire. */ --static int qe_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t qe_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct sunqe *qep = netdev_priv(dev); - struct sunqe_buffers *qbufs = qep->buffers; -diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c -index a2f9b47..05a9147 100644 ---- a/drivers/net/ethernet/sun/sunvnet.c -+++ b/drivers/net/ethernet/sun/sunvnet.c -@@ -131,7 +131,7 @@ static u16 vnet_select_queue(struct net_device *dev, struct sk_buff *skb, - } - - /* Wrappers to common functions */ --static int vnet_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t vnet_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - return sunvnet_start_xmit_common(skb, dev, vnet_tx_port_find); - } -diff --git a/drivers/net/ethernet/sun/sunvnet_common.c b/drivers/net/ethernet/sun/sunvnet_common.c -index 904a5a1..6ef5cff 100644 ---- a/drivers/net/ethernet/sun/sunvnet_common.c -+++ b/drivers/net/ethernet/sun/sunvnet_common.c -@@ -1126,7 +1126,7 @@ static inline struct sk_buff *vnet_skb_shape(struct sk_buff *skb, int ncookies) - return skb; - } - --static int vnet_handle_offloads(struct vnet_port *port, struct sk_buff *skb, -+static netdev_tx_t vnet_handle_offloads(struct vnet_port *port, struct sk_buff *skb, - struct vnet_port *(*vnet_tx_port) - (struct sk_buff *, struct net_device *)) - { -@@ -1134,7 +1134,7 @@ static int vnet_handle_offloads(struct vnet_port *port, struct sk_buff *skb, - struct vio_dring_state *dr = &port->vio.drings[VIO_DRIVER_TX_RING]; - struct sk_buff *segs; - int maclen, datalen; -- int status; -+ netdev_tx_t status; - int gso_size, gso_type, gso_segs; - int hlen = skb_transport_header(skb) - skb_mac_header(skb); - int proto = IPPROTO_IP; -@@ -1190,7 +1190,7 @@ static int vnet_handle_offloads(struct vnet_port *port, struct sk_buff *skb, - skb_push(skb, maclen); - skb_reset_mac_header(skb); - -- status = 0; -+ status = NETDEV_TX_OK; - while (segs) { - struct sk_buff *curr = segs; - -diff --git a/drivers/net/ethernet/synopsys/dwc_eth_qos.c b/drivers/net/ethernet/synopsys/dwc_eth_qos.c -index 97d64bf..630f69b 100644 ---- a/drivers/net/ethernet/synopsys/dwc_eth_qos.c -+++ b/drivers/net/ethernet/synopsys/dwc_eth_qos.c -@@ -2176,7 +2176,7 @@ static void dwceqos_tx_rollback(struct net_local *lp, struct dwceqos_tx *tx) - lp->gso_size = tx->prev_gso_size; - } - --static int dwceqos_start_xmit(struct sk_buff *skb, struct net_device *ndev) -+static netdev_tx_t dwceqos_start_xmit(struct sk_buff *skb, struct net_device *ndev) - { - struct net_local *lp = netdev_priv(ndev); - struct dwceqos_tx trans; -diff --git a/drivers/net/ethernet/ti/cpmac.c b/drivers/net/ethernet/ti/cpmac.c -index 5127b7e..d8f33a6 100644 ---- a/drivers/net/ethernet/ti/cpmac.c -+++ b/drivers/net/ethernet/ti/cpmac.c -@@ -544,7 +544,7 @@ static int cpmac_poll(struct napi_struct *napi, int budget) - - } - --static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - int queue; - unsigned int len; -diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c -index 481c7bf..2a6ed4c 100644 ---- a/drivers/net/ethernet/ti/davinci_emac.c -+++ b/drivers/net/ethernet/ti/davinci_emac.c -@@ -943,7 +943,7 @@ static void emac_tx_handler(void *token, int len, int status) - * - * Returns success(NETDEV_TX_OK) or error code (typically out of desc's) - */ --static int emac_dev_xmit(struct sk_buff *skb, struct net_device *ndev) -+static netdev_tx_t emac_dev_xmit(struct sk_buff *skb, struct net_device *ndev) - { - struct device *emac_dev = &ndev->dev; - int ret_code; -diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c -index 3251666..6eb86ae 100644 ---- a/drivers/net/ethernet/ti/netcp_core.c -+++ b/drivers/net/ethernet/ti/netcp_core.c -@@ -1237,7 +1237,7 @@ static int netcp_tx_submit_skb(struct netcp_intf *netcp, - } - - /* Submit the packet */ --static int netcp_ndo_start_xmit(struct sk_buff *skb, struct net_device *ndev) -+static netdev_tx_t netcp_ndo_start_xmit(struct sk_buff *skb, struct net_device *ndev) - { - struct netcp_intf *netcp = netdev_priv(ndev); - int subqueue = skb_get_queue_mapping(skb); -diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c -index 9d14731..7d6ad91 100644 ---- a/drivers/net/ethernet/via/via-rhine.c -+++ b/drivers/net/ethernet/via/via-rhine.c -@@ -2600,7 +2600,7 @@ static struct platform_driver rhine_driver_platform = { - } - }; - --static struct dmi_system_id rhine_dmi_table[] __initdata = { -+static const struct dmi_system_id rhine_dmi_table[] __initconst = { - { - .ident = "EPIA-M", - .matches = { -diff --git a/drivers/net/ethernet/wiznet/w5100.c b/drivers/net/ethernet/wiznet/w5100.c -index d2349a1..04c8648 100644 ---- a/drivers/net/ethernet/wiznet/w5100.c -+++ b/drivers/net/ethernet/wiznet/w5100.c -@@ -835,7 +835,7 @@ static void w5100_tx_work(struct work_struct *work) - w5100_tx_skb(priv->ndev, skb); - } - --static int w5100_start_tx(struct sk_buff *skb, struct net_device *ndev) -+static netdev_tx_t w5100_start_tx(struct sk_buff *skb, struct net_device *ndev) - { - struct w5100_priv *priv = netdev_priv(ndev); - -diff --git a/drivers/net/ethernet/wiznet/w5300.c b/drivers/net/ethernet/wiznet/w5300.c -index ca31a57..c61514b 100644 ---- a/drivers/net/ethernet/wiznet/w5300.c -+++ b/drivers/net/ethernet/wiznet/w5300.c -@@ -365,7 +365,7 @@ static void w5300_tx_timeout(struct net_device *ndev) - netif_wake_queue(ndev); - } - --static int w5300_start_tx(struct sk_buff *skb, struct net_device *ndev) -+static netdev_tx_t w5300_start_tx(struct sk_buff *skb, struct net_device *ndev) - { - struct w5300_priv *priv = netdev_priv(ndev); - -diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c -index a9bd665..2fc2924 100644 ---- a/drivers/net/ethernet/xilinx/ll_temac_main.c -+++ b/drivers/net/ethernet/xilinx/ll_temac_main.c -@@ -673,7 +673,7 @@ static inline int temac_check_tx_bd_space(struct temac_local *lp, int num_frag) - return 0; - } - --static int temac_start_xmit(struct sk_buff *skb, struct net_device *ndev) -+static netdev_tx_t temac_start_xmit(struct sk_buff *skb, struct net_device *ndev) - { - struct temac_local *lp = netdev_priv(ndev); - struct cdmac_bd *cur_p; -diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c -index c688d68..b7b42ac4 100644 ---- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c -+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c -@@ -651,7 +651,7 @@ static inline int axienet_check_tx_bd_space(struct axienet_local *lp, - * start the transmission. Additionally if checksum offloading is supported, - * it populates AXI Stream Control fields with appropriate values. - */ --static int axienet_start_xmit(struct sk_buff *skb, struct net_device *ndev) -+static netdev_tx_t axienet_start_xmit(struct sk_buff *skb, struct net_device *ndev) - { - u32 ii; - u32 num_frag; -diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c -index 93dc10b..6598671 100644 ---- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c -+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c -@@ -995,7 +995,7 @@ static int xemaclite_close(struct net_device *dev) - * - * Return: 0, always. - */ --static int xemaclite_send(struct sk_buff *orig_skb, struct net_device *dev) -+static netdev_tx_t xemaclite_send(struct sk_buff *orig_skb, struct net_device *dev) - { - struct net_local *lp = netdev_priv(dev); - struct sk_buff *new_skb; -diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c -index 3c1f89a..9b9e82d 100644 ---- a/drivers/net/geneve.c -+++ b/drivers/net/geneve.c -@@ -1473,7 +1473,7 @@ static int geneve_fill_info(struct sk_buff *skb, const struct net_device *dev) - return -EMSGSIZE; - } - --static struct rtnl_link_ops geneve_link_ops __read_mostly = { -+static struct rtnl_link_ops geneve_link_ops = { - .kind = "geneve", - .maxtype = IFLA_GENEVE_MAX, - .policy = geneve_policy, -@@ -1539,7 +1539,7 @@ static int geneve_netdevice_event(struct notifier_block *unused, - return NOTIFY_DONE; - } - --static struct notifier_block geneve_notifier_block __read_mostly = { -+static struct notifier_block geneve_notifier_block = { - .notifier_call = geneve_netdevice_event, - }; - -diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c -index 97e0cbc..3aec9e5 100644 ---- a/drivers/net/gtp.c -+++ b/drivers/net/gtp.c -@@ -58,7 +58,7 @@ struct pdp_ctx { - struct in_addr ms_addr_ip4; - struct in_addr sgsn_addr_ip4; - -- atomic_t tx_seq; -+ atomic_unchecked_t tx_seq; - struct rcu_head rcu_head; - }; - -@@ -407,7 +407,7 @@ static inline void gtp0_push_header(struct sk_buff *skb, struct pdp_ctx *pctx) - gtp0->flags = 0x1e; /* v0, GTP-non-prime. */ - gtp0->type = GTP_TPDU; - gtp0->length = htons(payload_len); -- gtp0->seq = htons((atomic_inc_return(&pctx->tx_seq) - 1) % 0xffff); -+ gtp0->seq = htons((atomic_inc_return_unchecked(&pctx->tx_seq) - 1) % 0xffff); - gtp0->flow = htons(pctx->u.v0.flow); - gtp0->number = 0xff; - gtp0->spare[0] = gtp0->spare[1] = gtp0->spare[2] = 0xff; -@@ -751,7 +751,7 @@ static int gtp_fill_info(struct sk_buff *skb, const struct net_device *dev) - return -EMSGSIZE; - } - --static struct rtnl_link_ops gtp_link_ops __read_mostly = { -+static struct rtnl_link_ops gtp_link_ops = { - .kind = "gtp", - .maxtype = IFLA_GTP_MAX, - .policy = gtp_policy, -@@ -959,7 +959,7 @@ static int ipv4_pdp_add(struct net_device *dev, struct genl_info *info) - return -ENOMEM; - - ipv4_pdp_fill(pctx, info); -- atomic_set(&pctx->tx_seq, 0); -+ atomic_set_unchecked(&pctx->tx_seq, 0); - - switch (pctx->gtp_version) { - case GTP_V0: -diff --git a/drivers/net/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c -index 78dbc44..b7831d0 100644 ---- a/drivers/net/hamradio/baycom_epp.c -+++ b/drivers/net/hamradio/baycom_epp.c -@@ -768,7 +768,7 @@ static void epp_bh(struct work_struct *work) - * ===================== network driver interface ========================= - */ - --static int baycom_send_packet(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t baycom_send_packet(struct sk_buff *skb, struct net_device *dev) - { - struct baycom_state *bc = netdev_priv(dev); - -diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h -index f4fbcb5..8830bbb 100644 ---- a/drivers/net/hyperv/hyperv_net.h -+++ b/drivers/net/hyperv/hyperv_net.h -@@ -160,7 +160,7 @@ struct rndis_device { - - enum rndis_device_state state; - bool link_state; -- atomic_t new_req_id; -+ atomic_unchecked_t new_req_id; - - spinlock_t request_lock; - struct list_head req_list; -diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c -index ff038e5..740da40 100644 ---- a/drivers/net/hyperv/netvsc_drv.c -+++ b/drivers/net/hyperv/netvsc_drv.c -@@ -352,7 +352,7 @@ static u32 get_net_transport_info(struct sk_buff *skb, u32 *trans_off) - return ret_val; - } - --static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net) -+static netdev_tx_t netvsc_start_xmit(struct sk_buff *skb, struct net_device *net) - { - struct net_device_context *net_device_ctx = netdev_priv(net); - struct hv_netvsc_packet *packet = NULL; -diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c -index 9195d5d..1d570d1 100644 ---- a/drivers/net/hyperv/rndis_filter.c -+++ b/drivers/net/hyperv/rndis_filter.c -@@ -101,7 +101,7 @@ static struct rndis_request *get_rndis_request(struct rndis_device *dev, - * template - */ - set = &rndis_msg->msg.set_req; -- set->req_id = atomic_inc_return(&dev->new_req_id); -+ set->req_id = atomic_inc_return_unchecked(&dev->new_req_id); - - /* Add to the request list */ - spin_lock_irqsave(&dev->request_lock, flags); -@@ -881,7 +881,7 @@ static void rndis_filter_halt_device(struct rndis_device *dev) - - /* Setup the rndis set */ - halt = &request->request_msg.msg.halt_req; -- halt->req_id = atomic_inc_return(&dev->new_req_id); -+ halt->req_id = atomic_inc_return_unchecked(&dev->new_req_id); - - /* Ignore return since this msg is optional. */ - rndis_filter_send_request(dev, request); -@@ -1099,8 +1099,7 @@ int rndis_filter_device_add(struct hv_device *dev, - if (net_device->num_chn == 1) - goto out; - -- net_device->sub_cb_buf = vzalloc((net_device->num_chn - 1) * -- NETVSC_PACKET_SIZE); -+ net_device->sub_cb_buf = vzalloc(net_device->num_sc_offered * NETVSC_PACKET_SIZE); - if (!net_device->sub_cb_buf) { - net_device->num_chn = 1; - dev_info(&dev->device, "No memory for subchannels.\n"); -diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c -index 66c0eea..27486de 100644 ---- a/drivers/net/ifb.c -+++ b/drivers/net/ifb.c -@@ -290,7 +290,7 @@ static int ifb_validate(struct nlattr *tb[], struct nlattr *data[]) - return 0; - } - --static struct rtnl_link_ops ifb_link_ops __read_mostly = { -+static struct rtnl_link_ops ifb_link_ops = { - .kind = "ifb", - .priv_size = sizeof(struct ifb_dev_private), - .setup = ifb_setup, -diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c -index b4e9907..20efd78 100644 ---- a/drivers/net/ipvlan/ipvlan_core.c -+++ b/drivers/net/ipvlan/ipvlan_core.c -@@ -484,7 +484,7 @@ static void ipvlan_multicast_enqueue(struct ipvl_port *port, - schedule_work(&port->wq); - } else { - spin_unlock(&port->backlog.lock); -- atomic_long_inc(&skb->dev->rx_dropped); -+ atomic_long_inc_unchecked(&skb->dev->rx_dropped); - kfree_skb(skb); - } - } -diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c -index dfbc4ef..47e795d 100644 ---- a/drivers/net/ipvlan/ipvlan_main.c -+++ b/drivers/net/ipvlan/ipvlan_main.c -@@ -26,7 +26,7 @@ static struct nf_hook_ops ipvl_nfops[] __read_mostly = { - }, - }; - --static struct l3mdev_ops ipvl_l3mdev_ops __read_mostly = { -+static struct l3mdev_ops ipvl_l3mdev_ops = { - .l3mdev_l3_rcv = ipvlan_l3_rcv, - }; - -@@ -816,15 +816,15 @@ static int ipvlan_addr4_event(struct notifier_block *unused, - return NOTIFY_OK; - } - --static struct notifier_block ipvlan_addr4_notifier_block __read_mostly = { -+static struct notifier_block ipvlan_addr4_notifier_block = { - .notifier_call = ipvlan_addr4_event, - }; - --static struct notifier_block ipvlan_notifier_block __read_mostly = { -+static struct notifier_block ipvlan_notifier_block = { - .notifier_call = ipvlan_device_event, - }; - --static struct notifier_block ipvlan_addr6_notifier_block __read_mostly = { -+static struct notifier_block ipvlan_addr6_notifier_block = { - .notifier_call = ipvlan_addr6_event, - }; - -diff --git a/drivers/net/irda/vlsi_ir.c b/drivers/net/irda/vlsi_ir.c -index a0849f4..147a4a6 100644 ---- a/drivers/net/irda/vlsi_ir.c -+++ b/drivers/net/irda/vlsi_ir.c -@@ -142,7 +142,7 @@ static void vlsi_ring_debug(struct vlsi_ring *r) - printk(KERN_DEBUG "%s - ring %p / size %u / mask 0x%04x / len %u / dir %d / hw %p\n", - __func__, r, r->size, r->mask, r->len, r->dir, r->rd[0].hw); - printk(KERN_DEBUG "%s - head = %d / tail = %d\n", __func__, -- atomic_read(&r->head) & r->mask, atomic_read(&r->tail) & r->mask); -+ atomic_read_unchecked(&r->head) & r->mask, atomic_read_unchecked(&r->tail) & r->mask); - for (i = 0; i < r->size; i++) { - rd = &r->rd[i]; - printk(KERN_DEBUG "%s - ring descr %u: ", __func__, i); -@@ -301,8 +301,8 @@ static void vlsi_proc_ring(struct seq_file *seq, struct vlsi_ring *r) - - seq_printf(seq, "size %u / mask 0x%04x / len %u / dir %d / hw %p\n", - r->size, r->mask, r->len, r->dir, r->rd[0].hw); -- h = atomic_read(&r->head) & r->mask; -- t = atomic_read(&r->tail) & r->mask; -+ h = atomic_read_unchecked(&r->head) & r->mask; -+ t = atomic_read_unchecked(&r->tail) & r->mask; - seq_printf(seq, "head = %d / tail = %d ", h, t); - if (h == t) - seq_printf(seq, "(empty)\n"); -@@ -410,8 +410,8 @@ static struct vlsi_ring *vlsi_alloc_ring(struct pci_dev *pdev, struct ring_descr - r->rd = (struct ring_descr *)(r+1); - r->mask = size - 1; - r->size = size; -- atomic_set(&r->head, 0); -- atomic_set(&r->tail, 0); -+ atomic_set_unchecked(&r->head, 0); -+ atomic_set_unchecked(&r->tail, 0); - - for (i = 0; i < size; i++) { - rd = r->rd + i; -@@ -1268,10 +1268,10 @@ static int vlsi_init_chip(struct pci_dev *pdev) - iobase+VLSI_PIO_RINGSIZE); - - ptr = inw(iobase+VLSI_PIO_RINGPTR); -- atomic_set(&idev->rx_ring->head, RINGPTR_GET_RX(ptr)); -- atomic_set(&idev->rx_ring->tail, RINGPTR_GET_RX(ptr)); -- atomic_set(&idev->tx_ring->head, RINGPTR_GET_TX(ptr)); -- atomic_set(&idev->tx_ring->tail, RINGPTR_GET_TX(ptr)); -+ atomic_set_unchecked(&idev->rx_ring->head, RINGPTR_GET_RX(ptr)); -+ atomic_set_unchecked(&idev->rx_ring->tail, RINGPTR_GET_RX(ptr)); -+ atomic_set_unchecked(&idev->tx_ring->head, RINGPTR_GET_TX(ptr)); -+ atomic_set_unchecked(&idev->tx_ring->tail, RINGPTR_GET_TX(ptr)); - - vlsi_set_baud(idev, iobase); /* idev->new_baud used as provided by caller */ - -diff --git a/drivers/net/irda/vlsi_ir.h b/drivers/net/irda/vlsi_ir.h -index f9db2ce..6cd460c 100644 ---- a/drivers/net/irda/vlsi_ir.h -+++ b/drivers/net/irda/vlsi_ir.h -@@ -671,7 +671,7 @@ struct vlsi_ring { - unsigned len; - unsigned size; - unsigned mask; -- atomic_t head, tail; -+ atomic_unchecked_t head, tail; - struct ring_descr *rd; - }; - -@@ -681,13 +681,13 @@ static inline struct ring_descr *ring_last(struct vlsi_ring *r) - { - int t; - -- t = atomic_read(&r->tail) & r->mask; -- return (((t+1) & r->mask) == (atomic_read(&r->head) & r->mask)) ? NULL : &r->rd[t]; -+ t = atomic_read_unchecked(&r->tail) & r->mask; -+ return (((t+1) & r->mask) == (atomic_read_unchecked(&r->head) & r->mask)) ? NULL : &r->rd[t]; - } - - static inline struct ring_descr *ring_put(struct vlsi_ring *r) - { -- atomic_inc(&r->tail); -+ atomic_inc_unchecked(&r->tail); - return ring_last(r); - } - -@@ -695,13 +695,13 @@ static inline struct ring_descr *ring_first(struct vlsi_ring *r) - { - int h; - -- h = atomic_read(&r->head) & r->mask; -- return (h == (atomic_read(&r->tail) & r->mask)) ? NULL : &r->rd[h]; -+ h = atomic_read_unchecked(&r->head) & r->mask; -+ return (h == (atomic_read_unchecked(&r->tail) & r->mask)) ? NULL : &r->rd[h]; - } - - static inline struct ring_descr *ring_get(struct vlsi_ring *r) - { -- atomic_inc(&r->head); -+ atomic_inc_unchecked(&r->head); - return ring_first(r); - } - -diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c -index 1b65f0f..55b35dc 100644 ---- a/drivers/net/loopback.c -+++ b/drivers/net/loopback.c -@@ -217,6 +217,6 @@ static __net_init int loopback_net_init(struct net *net) - } - - /* Registered in net/core/dev.c */ --struct pernet_operations __net_initdata loopback_net_ops = { -+struct pernet_operations __net_initconst loopback_net_ops = { - .init = loopback_net_init, - }; -diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c -index d2e61e0..8c0d77a 100644 ---- a/drivers/net/macsec.c -+++ b/drivers/net/macsec.c -@@ -3389,7 +3389,7 @@ static int macsec_fill_info(struct sk_buff *skb, - return -EMSGSIZE; - } - --static struct rtnl_link_ops macsec_link_ops __read_mostly = { -+static struct rtnl_link_ops macsec_link_ops = { - .kind = "macsec", - .priv_size = sizeof(struct macsec_dev), - .maxtype = IFLA_MACSEC_MAX, -diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c -index 26d6f0b..af4d2ad 100644 ---- a/drivers/net/macvlan.c -+++ b/drivers/net/macvlan.c -@@ -343,7 +343,7 @@ static void macvlan_broadcast_enqueue(struct macvlan_port *port, - free_nskb: - kfree_skb(nskb); - err: -- atomic_long_inc(&skb->dev->rx_dropped); -+ atomic_long_inc_unchecked(&skb->dev->rx_dropped); - } - - static void macvlan_flush_sources(struct macvlan_port *port, -@@ -1522,13 +1522,15 @@ static const struct nla_policy macvlan_policy[IFLA_MACVLAN_MAX + 1] = { - int macvlan_link_register(struct rtnl_link_ops *ops) - { - /* common fields */ -- ops->priv_size = sizeof(struct macvlan_dev); -- ops->validate = macvlan_validate; -- ops->maxtype = IFLA_MACVLAN_MAX; -- ops->policy = macvlan_policy; -- ops->changelink = macvlan_changelink; -- ops->get_size = macvlan_get_size; -- ops->fill_info = macvlan_fill_info; -+ pax_open_kernel(); -+ const_cast(ops->priv_size) = sizeof(struct macvlan_dev); -+ const_cast(ops->validate) = macvlan_validate; -+ const_cast(ops->maxtype) = IFLA_MACVLAN_MAX; -+ const_cast(ops->policy) = macvlan_policy; -+ const_cast(ops->changelink) = macvlan_changelink; -+ const_cast(ops->get_size) = macvlan_get_size; -+ const_cast(ops->fill_info) = macvlan_fill_info; -+ pax_close_kernel(); - - return rtnl_link_register(ops); - }; -@@ -1616,7 +1618,7 @@ static int macvlan_device_event(struct notifier_block *unused, - return NOTIFY_DONE; - } - --static struct notifier_block macvlan_notifier_block __read_mostly = { -+static struct notifier_block macvlan_notifier_block = { - .notifier_call = macvlan_device_event, - }; - -diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c -index adea6f5..5991765 100644 ---- a/drivers/net/macvtap.c -+++ b/drivers/net/macvtap.c -@@ -514,7 +514,7 @@ static void macvtap_setup(struct net_device *dev) - dev->tx_queue_len = TUN_READQ_SIZE; - } - --static struct rtnl_link_ops macvtap_link_ops __read_mostly = { -+static struct rtnl_link_ops macvtap_link_ops = { - .kind = "macvtap", - .setup = macvtap_setup, - .newlink = macvtap_newlink, -@@ -1054,7 +1054,7 @@ static long macvtap_ioctl(struct file *file, unsigned int cmd, - - ret = 0; - u = q->flags; -- if (copy_to_user(&ifr->ifr_name, vlan->dev->name, IFNAMSIZ) || -+ if (copy_to_user(ifr->ifr_name, vlan->dev->name, IFNAMSIZ) || - put_user(u, &ifr->ifr_flags)) - ret = -EFAULT; - macvtap_put_vlan(vlan); -@@ -1137,8 +1137,8 @@ static long macvtap_ioctl(struct file *file, unsigned int cmd, - } - ret = 0; - u = vlan->dev->type; -- if (copy_to_user(&ifr->ifr_name, vlan->dev->name, IFNAMSIZ) || -- copy_to_user(&ifr->ifr_hwaddr.sa_data, vlan->dev->dev_addr, ETH_ALEN) || -+ if (copy_to_user(ifr->ifr_name, vlan->dev->name, IFNAMSIZ) || -+ copy_to_user(ifr->ifr_hwaddr.sa_data, vlan->dev->dev_addr, ETH_ALEN) || - put_user(u, &ifr->ifr_hwaddr.sa_family)) - ret = -EFAULT; - macvtap_put_vlan(vlan); -@@ -1316,7 +1316,7 @@ static int macvtap_device_event(struct notifier_block *unused, - return NOTIFY_DONE; - } - --static struct notifier_block macvtap_notifier_block __read_mostly = { -+static struct notifier_block macvtap_notifier_block = { - .notifier_call = macvtap_device_event, - }; - -diff --git a/drivers/net/nlmon.c b/drivers/net/nlmon.c -index 7b7c70e..a92dc83 100644 ---- a/drivers/net/nlmon.c -+++ b/drivers/net/nlmon.c -@@ -154,7 +154,7 @@ static int nlmon_validate(struct nlattr *tb[], struct nlattr *data[]) - return 0; - } - --static struct rtnl_link_ops nlmon_link_ops __read_mostly = { -+static struct rtnl_link_ops nlmon_link_ops = { - .kind = "nlmon", - .priv_size = sizeof(struct nlmon), - .setup = nlmon_setup, -diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c -index c4ceb08..46c9044 100644 ---- a/drivers/net/phy/phy_device.c -+++ b/drivers/net/phy/phy_device.c -@@ -411,7 +411,7 @@ static int get_phy_c45_devs_in_pkg(struct mii_bus *bus, int addr, int dev_addr, - * zero on success. - * - */ --static int get_phy_c45_ids(struct mii_bus *bus, int addr, u32 *phy_id, -+static int get_phy_c45_ids(struct mii_bus *bus, int addr, int *phy_id, - struct phy_c45_device_ids *c45_ids) { - int phy_reg; - int i, reg_addr; -@@ -482,7 +482,7 @@ static int get_phy_c45_ids(struct mii_bus *bus, int addr, u32 *phy_id, - * its return value is in turn returned. - * - */ --static int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id, -+static int get_phy_id(struct mii_bus *bus, int addr, int *phy_id, - bool is_c45, struct phy_c45_device_ids *c45_ids) - { - int phy_reg; -@@ -520,7 +520,7 @@ static int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id, - struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45) - { - struct phy_c45_device_ids c45_ids = {0}; -- u32 phy_id = 0; -+ int phy_id = 0; - int r; - - r = get_phy_id(bus, addr, &phy_id, is_c45, &c45_ids); -diff --git a/drivers/net/plip/plip.c b/drivers/net/plip/plip.c -index 9c4b41a..03da80b 100644 ---- a/drivers/net/plip/plip.c -+++ b/drivers/net/plip/plip.c -@@ -950,7 +950,7 @@ plip_interrupt(void *dev_id) - spin_unlock_irqrestore(&nl->lock, flags); - } - --static int -+static netdev_tx_t - plip_tx_packet(struct sk_buff *skb, struct net_device *dev) - { - struct net_local *nl = netdev_priv(dev); -diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c -index 5489c0e..50a54df7 100644 ---- a/drivers/net/ppp/ppp_generic.c -+++ b/drivers/net/ppp/ppp_generic.c -@@ -1144,7 +1144,7 @@ static struct net *ppp_nl_get_link_net(const struct net_device *dev) - return ppp->ppp_net; - } - --static struct rtnl_link_ops ppp_link_ops __read_mostly = { -+static struct rtnl_link_ops ppp_link_ops = { - .kind = "ppp", - .maxtype = IFLA_PPP_MAX, - .policy = ppp_nl_policy, -@@ -1262,7 +1262,6 @@ ppp_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) - void __user *addr = (void __user *) ifr->ifr_ifru.ifru_data; - struct ppp_stats stats; - struct ppp_comp_stats cstats; -- char *vers; - - switch (cmd) { - case SIOCGPPPSTATS: -@@ -1284,8 +1283,7 @@ ppp_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) - break; - - case SIOCGPPPVER: -- vers = PPP_VERSION; -- if (copy_to_user(addr, vers, strlen(vers) + 1)) -+ if (copy_to_user(addr, PPP_VERSION, sizeof(PPP_VERSION))) - break; - err = 0; - break; -diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c -index 1951b10..b02adc9 100644 ---- a/drivers/net/ppp/pptp.c -+++ b/drivers/net/ppp/pptp.c -@@ -332,7 +332,7 @@ static int pptp_rcv_core(struct sock *sk, struct sk_buff *skb) - } - - skb->ip_summed = CHECKSUM_NONE; -- skb_set_network_header(skb, skb->head-skb->data); -+ skb->network_header = 0; - ppp_input(&po->chan, skb); - - return NET_RX_SUCCESS; -diff --git a/drivers/net/rionet.c b/drivers/net/rionet.c -index a31f461..949a77a 100644 ---- a/drivers/net/rionet.c -+++ b/drivers/net/rionet.c -@@ -170,7 +170,7 @@ static int rionet_queue_tx_msg(struct sk_buff *skb, struct net_device *ndev, - return 0; - } - --static int rionet_start_xmit(struct sk_buff *skb, struct net_device *ndev) -+static netdev_tx_t rionet_start_xmit(struct sk_buff *skb, struct net_device *ndev) - { - int i; - struct rionet_private *rnet = netdev_priv(ndev); -diff --git a/drivers/net/slip/slhc.c b/drivers/net/slip/slhc.c -index 27ed252..80cffde 100644 ---- a/drivers/net/slip/slhc.c -+++ b/drivers/net/slip/slhc.c -@@ -491,7 +491,7 @@ slhc_uncompress(struct slcompress *comp, unsigned char *icp, int isize) - register struct tcphdr *thp; - register struct iphdr *ip; - register struct cstate *cs; -- int len, hdrlen; -+ long len, hdrlen; - unsigned char *cp = icp; - - /* We've got a compressed packet; read the change byte */ -diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c -index a380649..fd8fe79c 100644 ---- a/drivers/net/team/team.c -+++ b/drivers/net/team/team.c -@@ -2135,7 +2135,7 @@ static unsigned int team_get_num_rx_queues(void) - return TEAM_DEFAULT_NUM_RX_QUEUES; - } - --static struct rtnl_link_ops team_link_ops __read_mostly = { -+static struct rtnl_link_ops team_link_ops = { - .kind = DRV_NAME, - .priv_size = sizeof(struct team), - .setup = team_setup, -@@ -2930,7 +2930,7 @@ static int team_device_event(struct notifier_block *unused, - return NOTIFY_DONE; - } - --static struct notifier_block team_notifier_block __read_mostly = { -+static struct notifier_block team_notifier_block = { - .notifier_call = team_device_event, - }; - -diff --git a/drivers/net/tun.c b/drivers/net/tun.c -index a931b73..a07f1cb 100644 ---- a/drivers/net/tun.c -+++ b/drivers/net/tun.c -@@ -977,7 +977,7 @@ static void tun_set_headroom(struct net_device *dev, int new_hr) - { - struct tun_struct *tun = netdev_priv(dev); - -- if (new_hr < NET_SKB_PAD) -+ if (new_hr < 0 || new_hr < NET_SKB_PAD) - new_hr = NET_SKB_PAD; - - tun->align = new_hr; -@@ -1562,7 +1562,7 @@ static int tun_validate(struct nlattr *tb[], struct nlattr *data[]) - return -EINVAL; - } - --static struct rtnl_link_ops tun_link_ops __read_mostly = { -+static struct rtnl_link_ops tun_link_ops = { - .kind = DRV_NAME, - .priv_size = sizeof(struct tun_struct), - .setup = tun_setup, -@@ -1991,7 +1991,7 @@ static int tun_set_queue(struct file *file, struct ifreq *ifr) - } - - static long __tun_chr_ioctl(struct file *file, unsigned int cmd, -- unsigned long arg, int ifreq_len) -+ unsigned long arg, size_t ifreq_len) - { - struct tun_file *tfile = file->private_data; - struct tun_struct *tun; -@@ -2005,6 +2005,9 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd, - int le; - int ret; - -+ if (ifreq_len > sizeof ifr) -+ return -EFAULT; -+ - if (cmd == TUNSETIFF || cmd == TUNSETQUEUE || _IOC_TYPE(cmd) == 0x89) { - if (copy_from_user(&ifr, argp, ifreq_len)) - return -EFAULT; -@@ -2520,7 +2523,7 @@ static int tun_device_event(struct notifier_block *unused, - return NOTIFY_DONE; - } - --static struct notifier_block tun_notifier_block __read_mostly = { -+static struct notifier_block tun_notifier_block = { - .notifier_call = tun_device_event, - }; - -diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c -index e7b5163..0d30ed85 100644 ---- a/drivers/net/usb/hso.c -+++ b/drivers/net/usb/hso.c -@@ -72,7 +72,7 @@ - #include - #include - #include -- -+#include - - #define MOD_AUTHOR "Option Wireless" - #define MOD_DESCRIPTION "USB High Speed Option driver" -@@ -1175,7 +1175,7 @@ static void put_rxbuf_data_and_resubmit_ctrl_urb(struct hso_serial *serial) - struct urb *urb; - - urb = serial->rx_urb[0]; -- if (serial->port.count > 0) { -+ if (atomic_read(&serial->port.count) > 0) { - count = put_rxbuf_data(urb, serial); - if (count == -1) - return; -@@ -1213,7 +1213,7 @@ static void hso_std_serial_read_bulk_callback(struct urb *urb) - DUMP1(urb->transfer_buffer, urb->actual_length); - - /* Anyone listening? */ -- if (serial->port.count == 0) -+ if (atomic_read(&serial->port.count) == 0) - return; - - if (serial->parent->port_spec & HSO_INFO_CRC_BUG) -@@ -1229,8 +1229,9 @@ static void hso_std_serial_read_bulk_callback(struct urb *urb) - * This needs to be a tasklet otherwise we will - * end up recursively calling this function. - */ --static void hso_unthrottle_tasklet(struct hso_serial *serial) -+static void hso_unthrottle_tasklet(unsigned long _serial) - { -+ struct hso_serial *serial = (struct hso_serial *)_serial; - unsigned long flags; - - spin_lock_irqsave(&serial->serial_lock, flags); -@@ -1274,18 +1275,17 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp) - tty_port_tty_set(&serial->port, tty); - - /* check for port already opened, if not set the termios */ -- serial->port.count++; -- if (serial->port.count == 1) { -+ if (atomic_inc_return(&serial->port.count) == 1) { - serial->rx_state = RX_IDLE; - /* Force default termio settings */ - _hso_serial_set_termios(tty, NULL); - tasklet_init(&serial->unthrottle_tasklet, -- (void (*)(unsigned long))hso_unthrottle_tasklet, -+ hso_unthrottle_tasklet, - (unsigned long)serial); - result = hso_start_serial_device(serial->parent, GFP_KERNEL); - if (result) { - hso_stop_serial_device(serial->parent); -- serial->port.count--; -+ atomic_dec(&serial->port.count); - } else { - kref_get(&serial->parent->ref); - } -@@ -1323,10 +1323,10 @@ static void hso_serial_close(struct tty_struct *tty, struct file *filp) - - /* reset the rts and dtr */ - /* do the actual close */ -- serial->port.count--; -+ atomic_dec(&serial->port.count); - -- if (serial->port.count <= 0) { -- serial->port.count = 0; -+ if (atomic_read(&serial->port.count) <= 0) { -+ atomic_set(&serial->port.count, 0); - tty_port_tty_set(&serial->port, NULL); - if (!usb_gone) - hso_stop_serial_device(serial->parent); -@@ -1409,7 +1409,7 @@ static void hso_serial_set_termios(struct tty_struct *tty, struct ktermios *old) - - /* the actual setup */ - spin_lock_irqsave(&serial->serial_lock, flags); -- if (serial->port.count) -+ if (atomic_read(&serial->port.count)) - _hso_serial_set_termios(tty, old); - else - tty->termios = *old; -@@ -1884,7 +1884,7 @@ static void intr_callback(struct urb *urb) - i); - spin_lock(&serial->serial_lock); - if (serial->rx_state == RX_IDLE && -- serial->port.count > 0) { -+ atomic_read(&serial->port.count) > 0) { - /* Setup and send a ctrl req read on - * port i */ - if (!serial->rx_urb_filled[0]) { -@@ -3041,7 +3041,7 @@ static int hso_resume(struct usb_interface *iface) - /* Start all serial ports */ - for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) { - if (serial_table[i] && (serial_table[i]->interface == iface)) { -- if (dev2ser(serial_table[i])->port.count) { -+ if (atomic_read(&dev2ser(serial_table[i])->port.count)) { - result = - hso_start_serial_device(serial_table[i], GFP_NOIO); - hso_kick_transmit(dev2ser(serial_table[i])); -diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c -index 76465b1..2d72355 100644 ---- a/drivers/net/usb/ipheth.c -+++ b/drivers/net/usb/ipheth.c -@@ -400,7 +400,7 @@ static int ipheth_close(struct net_device *net) - return 0; - } - --static int ipheth_tx(struct sk_buff *skb, struct net_device *net) -+static netdev_tx_t ipheth_tx(struct sk_buff *skb, struct net_device *net) - { - struct ipheth_device *dev = netdev_priv(net); - struct usb_device *udev = dev->udev; -diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c -index 90b426c..4a6209c 100644 ---- a/drivers/net/usb/r8152.c -+++ b/drivers/net/usb/r8152.c -@@ -632,7 +632,7 @@ struct r8152 { - bool (*in_nway)(struct r8152 *); - void (*hw_phy_cfg)(struct r8152 *); - void (*autosuspend_en)(struct r8152 *tp, bool enable); -- } rtl_ops; -+ } __no_const rtl_ops; - - int intr_interval; - u32 saved_wolopts; -diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c -index a2515887..6d13233 100644 ---- a/drivers/net/usb/sierra_net.c -+++ b/drivers/net/usb/sierra_net.c -@@ -51,7 +51,7 @@ static const char driver_name[] = "sierra_net"; - /* atomic counter partially included in MAC address to make sure 2 devices - * do not end up with the same MAC - concept breaks in case of > 255 ifaces - */ --static atomic_t iface_counter = ATOMIC_INIT(0); -+static atomic_unchecked_t iface_counter = ATOMIC_INIT(0); - - /* - * SYNC Timer Delay definition used to set the expiry time -@@ -697,7 +697,7 @@ static int sierra_net_bind(struct usbnet *dev, struct usb_interface *intf) - dev->net->netdev_ops = &sierra_net_device_ops; - - /* change MAC addr to include, ifacenum, and to be unique */ -- dev->net->dev_addr[ETH_ALEN-2] = atomic_inc_return(&iface_counter); -+ dev->net->dev_addr[ETH_ALEN-2] = atomic_inc_return_unchecked(&iface_counter); - dev->net->dev_addr[ETH_ALEN-1] = ifacenum; - - /* we will have to manufacture ethernet headers, prepare template */ -diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c -index 51fc0c3..6cc1baa 100644 ---- a/drivers/net/virtio_net.c -+++ b/drivers/net/virtio_net.c -@@ -48,7 +48,7 @@ module_param(gso, bool, 0444); - DECLARE_EWMA(pkt_len, 1, 64) - - /* Minimum alignment for mergeable packet buffers. */ --#define MERGEABLE_BUFFER_ALIGN max(L1_CACHE_BYTES, 256) -+#define MERGEABLE_BUFFER_ALIGN max(L1_CACHE_BYTES, 256UL) - - #define VIRTNET_DRIVER_VERSION "1.0.0" - -diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c -index a2afb8e..6d66a2e 100644 ---- a/drivers/net/vrf.c -+++ b/drivers/net/vrf.c -@@ -1299,7 +1299,7 @@ static const struct nla_policy vrf_nl_policy[IFLA_VRF_MAX + 1] = { - [IFLA_VRF_TABLE] = { .type = NLA_U32 }, - }; - --static struct rtnl_link_ops vrf_link_ops __read_mostly = { -+static struct rtnl_link_ops vrf_link_ops = { - .kind = DRV_NAME, - .priv_size = sizeof(struct net_vrf), - -@@ -1336,7 +1336,7 @@ static int vrf_device_event(struct notifier_block *unused, - return NOTIFY_DONE; - } - --static struct notifier_block vrf_notifier_block __read_mostly = { -+static struct notifier_block vrf_notifier_block = { - .notifier_call = vrf_device_event, - }; - -diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c -index 3c4c2cf..3cbf47b 100644 ---- a/drivers/net/vxlan.c -+++ b/drivers/net/vxlan.c -@@ -3196,7 +3196,7 @@ static struct net *vxlan_get_link_net(const struct net_device *dev) - return vxlan->net; - } - --static struct rtnl_link_ops vxlan_link_ops __read_mostly = { -+static struct rtnl_link_ops vxlan_link_ops = { - .kind = "vxlan", - .maxtype = IFLA_VXLAN_MAX, - .policy = vxlan_policy, -@@ -3280,7 +3280,7 @@ static int vxlan_netdevice_event(struct notifier_block *unused, - return NOTIFY_DONE; - } - --static struct notifier_block vxlan_notifier_block __read_mostly = { -+static struct notifier_block vxlan_notifier_block = { - .notifier_call = vxlan_netdevice_event, - }; - -diff --git a/drivers/net/wan/lmc/lmc_media.c b/drivers/net/wan/lmc/lmc_media.c -index 5920c99..ff2e4a5 100644 ---- a/drivers/net/wan/lmc/lmc_media.c -+++ b/drivers/net/wan/lmc/lmc_media.c -@@ -95,62 +95,63 @@ static inline void write_av9110_bit (lmc_softc_t *, int); - static void write_av9110(lmc_softc_t *, u32, u32, u32, u32, u32); - - lmc_media_t lmc_ds3_media = { -- lmc_ds3_init, /* special media init stuff */ -- lmc_ds3_default, /* reset to default state */ -- lmc_ds3_set_status, /* reset status to state provided */ -- lmc_dummy_set_1, /* set clock source */ -- lmc_dummy_set2_1, /* set line speed */ -- lmc_ds3_set_100ft, /* set cable length */ -- lmc_ds3_set_scram, /* set scrambler */ -- lmc_ds3_get_link_status, /* get link status */ -- lmc_dummy_set_1, /* set link status */ -- lmc_ds3_set_crc_length, /* set CRC length */ -- lmc_dummy_set_1, /* set T1 or E1 circuit type */ -- lmc_ds3_watchdog -+ .init = lmc_ds3_init, /* special media init stuff */ -+ .defaults = lmc_ds3_default, /* reset to default state */ -+ .set_status = lmc_ds3_set_status, /* reset status to state provided */ -+ .set_clock_source = lmc_dummy_set_1, /* set clock source */ -+ .set_speed = lmc_dummy_set2_1, /* set line speed */ -+ .set_cable_length = lmc_ds3_set_100ft, /* set cable length */ -+ .set_scrambler = lmc_ds3_set_scram, /* set scrambler */ -+ .get_link_status = lmc_ds3_get_link_status, /* get link status */ -+ .set_link_status = lmc_dummy_set_1, /* set link status */ -+ .set_crc_length = lmc_ds3_set_crc_length, /* set CRC length */ -+ .set_circuit_type = lmc_dummy_set_1, /* set T1 or E1 circuit type */ -+ .watchdog = lmc_ds3_watchdog - }; - - lmc_media_t lmc_hssi_media = { -- lmc_hssi_init, /* special media init stuff */ -- lmc_hssi_default, /* reset to default state */ -- lmc_hssi_set_status, /* reset status to state provided */ -- lmc_hssi_set_clock, /* set clock source */ -- lmc_dummy_set2_1, /* set line speed */ -- lmc_dummy_set_1, /* set cable length */ -- lmc_dummy_set_1, /* set scrambler */ -- lmc_hssi_get_link_status, /* get link status */ -- lmc_hssi_set_link_status, /* set link status */ -- lmc_hssi_set_crc_length, /* set CRC length */ -- lmc_dummy_set_1, /* set T1 or E1 circuit type */ -- lmc_hssi_watchdog -+ .init = lmc_hssi_init, /* special media init stuff */ -+ .defaults = lmc_hssi_default, /* reset to default state */ -+ .set_status = lmc_hssi_set_status, /* reset status to state provided */ -+ .set_clock_source = lmc_hssi_set_clock, /* set clock source */ -+ .set_speed = lmc_dummy_set2_1, /* set line speed */ -+ .set_cable_length = lmc_dummy_set_1, /* set cable length */ -+ .set_scrambler = lmc_dummy_set_1, /* set scrambler */ -+ .get_link_status = lmc_hssi_get_link_status, /* get link status */ -+ .set_link_status = lmc_hssi_set_link_status, /* set link status */ -+ .set_crc_length = lmc_hssi_set_crc_length, /* set CRC length */ -+ .set_circuit_type = lmc_dummy_set_1, /* set T1 or E1 circuit type */ -+ .watchdog = lmc_hssi_watchdog - }; - --lmc_media_t lmc_ssi_media = { lmc_ssi_init, /* special media init stuff */ -- lmc_ssi_default, /* reset to default state */ -- lmc_ssi_set_status, /* reset status to state provided */ -- lmc_ssi_set_clock, /* set clock source */ -- lmc_ssi_set_speed, /* set line speed */ -- lmc_dummy_set_1, /* set cable length */ -- lmc_dummy_set_1, /* set scrambler */ -- lmc_ssi_get_link_status, /* get link status */ -- lmc_ssi_set_link_status, /* set link status */ -- lmc_ssi_set_crc_length, /* set CRC length */ -- lmc_dummy_set_1, /* set T1 or E1 circuit type */ -- lmc_ssi_watchdog -+lmc_media_t lmc_ssi_media = { -+ .init = lmc_ssi_init, /* special media init stuff */ -+ .defaults = lmc_ssi_default, /* reset to default state */ -+ .set_status = lmc_ssi_set_status, /* reset status to state provided */ -+ .set_clock_source = lmc_ssi_set_clock, /* set clock source */ -+ .set_speed = lmc_ssi_set_speed, /* set line speed */ -+ .set_cable_length = lmc_dummy_set_1, /* set cable length */ -+ .set_scrambler = lmc_dummy_set_1, /* set scrambler */ -+ .get_link_status = lmc_ssi_get_link_status, /* get link status */ -+ .set_link_status = lmc_ssi_set_link_status, /* set link status */ -+ .set_crc_length = lmc_ssi_set_crc_length, /* set CRC length */ -+ .set_circuit_type = lmc_dummy_set_1, /* set T1 or E1 circuit type */ -+ .watchdog = lmc_ssi_watchdog - }; - - lmc_media_t lmc_t1_media = { -- lmc_t1_init, /* special media init stuff */ -- lmc_t1_default, /* reset to default state */ -- lmc_t1_set_status, /* reset status to state provided */ -- lmc_t1_set_clock, /* set clock source */ -- lmc_dummy_set2_1, /* set line speed */ -- lmc_dummy_set_1, /* set cable length */ -- lmc_dummy_set_1, /* set scrambler */ -- lmc_t1_get_link_status, /* get link status */ -- lmc_dummy_set_1, /* set link status */ -- lmc_t1_set_crc_length, /* set CRC length */ -- lmc_t1_set_circuit_type, /* set T1 or E1 circuit type */ -- lmc_t1_watchdog -+ .init = lmc_t1_init, /* special media init stuff */ -+ .defaults = lmc_t1_default, /* reset to default state */ -+ .set_status = lmc_t1_set_status, /* reset status to state provided */ -+ .set_clock_source = lmc_t1_set_clock, /* set clock source */ -+ .set_speed = lmc_dummy_set2_1, /* set line speed */ -+ .set_cable_length = lmc_dummy_set_1, /* set cable length */ -+ .set_scrambler = lmc_dummy_set_1, /* set scrambler */ -+ .get_link_status = lmc_t1_get_link_status, /* get link status */ -+ .set_link_status = lmc_dummy_set_1, /* set link status */ -+ .set_crc_length = lmc_t1_set_crc_length, /* set CRC length */ -+ .set_circuit_type = lmc_t1_set_circuit_type, /* set T1 or E1 circuit type */ -+ .watchdog = lmc_t1_watchdog - }; - - static void -diff --git a/drivers/net/wan/z85230.c b/drivers/net/wan/z85230.c -index 2f0bd69..e46ed7b 100644 ---- a/drivers/net/wan/z85230.c -+++ b/drivers/net/wan/z85230.c -@@ -485,9 +485,9 @@ static void z8530_status(struct z8530_channel *chan) - - struct z8530_irqhandler z8530_sync = - { -- z8530_rx, -- z8530_tx, -- z8530_status -+ .rx = z8530_rx, -+ .tx = z8530_tx, -+ .status = z8530_status - }; - - EXPORT_SYMBOL(z8530_sync); -@@ -605,15 +605,15 @@ static void z8530_dma_status(struct z8530_channel *chan) - } - - static struct z8530_irqhandler z8530_dma_sync = { -- z8530_dma_rx, -- z8530_dma_tx, -- z8530_dma_status -+ .rx = z8530_dma_rx, -+ .tx = z8530_dma_tx, -+ .status = z8530_dma_status - }; - - static struct z8530_irqhandler z8530_txdma_sync = { -- z8530_rx, -- z8530_dma_tx, -- z8530_dma_status -+ .rx = z8530_rx, -+ .tx = z8530_dma_tx, -+ .status = z8530_dma_status - }; - - /** -@@ -680,9 +680,9 @@ static void z8530_status_clear(struct z8530_channel *chan) - - struct z8530_irqhandler z8530_nop= - { -- z8530_rx_clear, -- z8530_tx_clear, -- z8530_status_clear -+ .rx = z8530_rx_clear, -+ .tx = z8530_tx_clear, -+ .status = z8530_status_clear - }; - - -diff --git a/drivers/net/wimax/i2400m/rx.c b/drivers/net/wimax/i2400m/rx.c -index 0b60295..b8bfa5b 100644 ---- a/drivers/net/wimax/i2400m/rx.c -+++ b/drivers/net/wimax/i2400m/rx.c -@@ -1359,7 +1359,7 @@ int i2400m_rx_setup(struct i2400m *i2400m) - if (i2400m->rx_roq == NULL) - goto error_roq_alloc; - -- rd = kcalloc(I2400M_RO_CIN + 1, sizeof(*i2400m->rx_roq[0].log), -+ rd = kcalloc(sizeof(*i2400m->rx_roq[0].log), I2400M_RO_CIN + 1, - GFP_KERNEL); - if (rd == NULL) { - result = -ENOMEM; -diff --git a/drivers/net/wireless/ath/ath10k/ce.c b/drivers/net/wireless/ath/ath10k/ce.c -index 0b4d796..28ef224 100644 ---- a/drivers/net/wireless/ath/ath10k/ce.c -+++ b/drivers/net/wireless/ath/ath10k/ce.c -@@ -887,12 +887,12 @@ static int ath10k_ce_init_dest_ring(struct ath10k *ar, - return 0; - } - --static struct ath10k_ce_ring * -+static struct ath10k_ce_ring * __intentional_overflow(-1) - ath10k_ce_alloc_src_ring(struct ath10k *ar, unsigned int ce_id, - const struct ce_attr *attr) - { - struct ath10k_ce_ring *src_ring; -- u32 nentries = attr->src_nentries; -+ unsigned long nentries = attr->src_nentries; - dma_addr_t base_addr; - - nentries = roundup_pow_of_two(nentries); -@@ -938,7 +938,7 @@ ath10k_ce_alloc_dest_ring(struct ath10k *ar, unsigned int ce_id, - const struct ce_attr *attr) - { - struct ath10k_ce_ring *dest_ring; -- u32 nentries; -+ unsigned long nentries; - dma_addr_t base_addr; - - nentries = roundup_pow_of_two(attr->dest_nentries); -diff --git a/drivers/net/wireless/ath/ath10k/htc.h b/drivers/net/wireless/ath/ath10k/htc.h -index 0c55cd9..7fc013b 100644 ---- a/drivers/net/wireless/ath/ath10k/htc.h -+++ b/drivers/net/wireless/ath/ath10k/htc.h -@@ -269,13 +269,13 @@ enum ath10k_htc_ep_id { - - struct ath10k_htc_ops { - void (*target_send_suspend_complete)(struct ath10k *ar); --}; -+} __no_const; - - struct ath10k_htc_ep_ops { - void (*ep_tx_complete)(struct ath10k *, struct sk_buff *); - void (*ep_rx_complete)(struct ath10k *, struct sk_buff *); - void (*ep_tx_credits)(struct ath10k *); --}; -+} __no_const; - - /* service connection information */ - struct ath10k_htc_svc_conn_req { -diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c -index f2e85eb..5e10c3e 100644 ---- a/drivers/net/wireless/ath/ath10k/mac.c -+++ b/drivers/net/wireless/ath/ath10k/mac.c -@@ -8006,8 +8006,11 @@ int ath10k_mac_register(struct ath10k *ar) - * supports the pull-push mechanism. - */ - if (!test_bit(ATH10K_FW_FEATURE_PEER_FLOW_CONTROL, -- ar->running_fw->fw_file.fw_features)) -- ar->ops->wake_tx_queue = NULL; -+ ar->running_fw->fw_file.fw_features)) { -+ pax_open_kernel(); -+ const_cast(ar->ops->wake_tx_queue) = NULL; -+ pax_close_kernel(); -+ } - - ret = ath_regd_init(&ar->ath_common.regulatory, ar->hw->wiphy, - ath10k_reg_notifier); -diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h -index ac25f17..2cb440b 100644 ---- a/drivers/net/wireless/ath/ath6kl/core.h -+++ b/drivers/net/wireless/ath/ath6kl/core.h -@@ -915,7 +915,7 @@ void ath6kl_tx_data_cleanup(struct ath6kl *ar); - - struct ath6kl_cookie *ath6kl_alloc_cookie(struct ath6kl *ar); - void ath6kl_free_cookie(struct ath6kl *ar, struct ath6kl_cookie *cookie); --int ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev); -+netdev_tx_t ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev); - - struct aggr_info *aggr_init(struct ath6kl_vif *vif); - void aggr_conn_init(struct ath6kl_vif *vif, struct aggr_info *aggr_info, -diff --git a/drivers/net/wireless/ath/ath6kl/txrx.c b/drivers/net/wireless/ath/ath6kl/txrx.c -index 9df41d5..fb12f17 100644 ---- a/drivers/net/wireless/ath/ath6kl/txrx.c -+++ b/drivers/net/wireless/ath/ath6kl/txrx.c -@@ -353,7 +353,7 @@ int ath6kl_control_tx(void *devt, struct sk_buff *skb, - return status; - } - --int ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev) -+netdev_tx_t ath6kl_data_tx(struct sk_buff *skb, struct net_device *dev) - { - struct ath6kl *ar = ath6kl_priv(dev); - struct ath6kl_cookie *cookie = NULL; -diff --git a/drivers/net/wireless/ath/ath9k/Kconfig b/drivers/net/wireless/ath/ath9k/Kconfig -index 8f231c6..48902b8 100644 ---- a/drivers/net/wireless/ath/ath9k/Kconfig -+++ b/drivers/net/wireless/ath/ath9k/Kconfig -@@ -3,7 +3,6 @@ config ATH9K_HW - config ATH9K_COMMON - tristate - select ATH_COMMON -- select DEBUG_FS - select RELAY - config ATH9K_DFS_DEBUGFS - def_bool y -diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c -index f816909..e56cd8b 100644 ---- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c -+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c -@@ -220,8 +220,8 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - ads->ds_txstatus6 = ads->ds_txstatus7 = 0; - ads->ds_txstatus8 = ads->ds_txstatus9 = 0; - -- ACCESS_ONCE(ads->ds_link) = i->link; -- ACCESS_ONCE(ads->ds_data) = i->buf_addr[0]; -+ ACCESS_ONCE_RW(ads->ds_link) = i->link; -+ ACCESS_ONCE_RW(ads->ds_data) = i->buf_addr[0]; - - ctl1 = i->buf_len[0] | (i->is_last ? 0 : AR_TxMore); - ctl6 = SM(i->keytype, AR_EncrType); -@@ -235,26 +235,26 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - - if ((i->is_first || i->is_last) && - i->aggr != AGGR_BUF_MIDDLE && i->aggr != AGGR_BUF_LAST) { -- ACCESS_ONCE(ads->ds_ctl2) = set11nTries(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ds_ctl2) = set11nTries(i->rates, 0) - | set11nTries(i->rates, 1) - | set11nTries(i->rates, 2) - | set11nTries(i->rates, 3) - | (i->dur_update ? AR_DurUpdateEna : 0) - | SM(0, AR_BurstDur); - -- ACCESS_ONCE(ads->ds_ctl3) = set11nRate(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ds_ctl3) = set11nRate(i->rates, 0) - | set11nRate(i->rates, 1) - | set11nRate(i->rates, 2) - | set11nRate(i->rates, 3); - } else { -- ACCESS_ONCE(ads->ds_ctl2) = 0; -- ACCESS_ONCE(ads->ds_ctl3) = 0; -+ ACCESS_ONCE_RW(ads->ds_ctl2) = 0; -+ ACCESS_ONCE_RW(ads->ds_ctl3) = 0; - } - - if (!i->is_first) { -- ACCESS_ONCE(ads->ds_ctl0) = 0; -- ACCESS_ONCE(ads->ds_ctl1) = ctl1; -- ACCESS_ONCE(ads->ds_ctl6) = ctl6; -+ ACCESS_ONCE_RW(ads->ds_ctl0) = 0; -+ ACCESS_ONCE_RW(ads->ds_ctl1) = ctl1; -+ ACCESS_ONCE_RW(ads->ds_ctl6) = ctl6; - return; - } - -@@ -279,7 +279,7 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - break; - } - -- ACCESS_ONCE(ads->ds_ctl0) = (i->pkt_len & AR_FrameLen) -+ ACCESS_ONCE_RW(ads->ds_ctl0) = (i->pkt_len & AR_FrameLen) - | (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0) - | SM(i->txpower[0], AR_XmitPower0) - | (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0) -@@ -289,27 +289,27 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - | (i->flags & ATH9K_TXDESC_RTSENA ? AR_RTSEnable : - (i->flags & ATH9K_TXDESC_CTSENA ? AR_CTSEnable : 0)); - -- ACCESS_ONCE(ads->ds_ctl1) = ctl1; -- ACCESS_ONCE(ads->ds_ctl6) = ctl6; -+ ACCESS_ONCE_RW(ads->ds_ctl1) = ctl1; -+ ACCESS_ONCE_RW(ads->ds_ctl6) = ctl6; - - if (i->aggr == AGGR_BUF_MIDDLE || i->aggr == AGGR_BUF_LAST) - return; - -- ACCESS_ONCE(ads->ds_ctl4) = set11nPktDurRTSCTS(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ds_ctl4) = set11nPktDurRTSCTS(i->rates, 0) - | set11nPktDurRTSCTS(i->rates, 1); - -- ACCESS_ONCE(ads->ds_ctl5) = set11nPktDurRTSCTS(i->rates, 2) -+ ACCESS_ONCE_RW(ads->ds_ctl5) = set11nPktDurRTSCTS(i->rates, 2) - | set11nPktDurRTSCTS(i->rates, 3); - -- ACCESS_ONCE(ads->ds_ctl7) = set11nRateFlags(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ds_ctl7) = set11nRateFlags(i->rates, 0) - | set11nRateFlags(i->rates, 1) - | set11nRateFlags(i->rates, 2) - | set11nRateFlags(i->rates, 3) - | SM(i->rtscts_rate, AR_RTSCTSRate); - -- ACCESS_ONCE(ads->ds_ctl9) = SM(i->txpower[1], AR_XmitPower1); -- ACCESS_ONCE(ads->ds_ctl10) = SM(i->txpower[2], AR_XmitPower2); -- ACCESS_ONCE(ads->ds_ctl11) = SM(i->txpower[3], AR_XmitPower3); -+ ACCESS_ONCE_RW(ads->ds_ctl9) = SM(i->txpower[1], AR_XmitPower1); -+ ACCESS_ONCE_RW(ads->ds_ctl10) = SM(i->txpower[2], AR_XmitPower2); -+ ACCESS_ONCE_RW(ads->ds_ctl11) = SM(i->txpower[3], AR_XmitPower3); - } - - static int ar9002_hw_proc_txdesc(struct ath_hw *ah, void *ds, -diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c -index da84b70..83e4978 100644 ---- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c -+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c -@@ -39,47 +39,47 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - (i->qcu << AR_TxQcuNum_S) | desc_len; - - checksum += val; -- ACCESS_ONCE(ads->info) = val; -+ ACCESS_ONCE_RW(ads->info) = val; - - checksum += i->link; -- ACCESS_ONCE(ads->link) = i->link; -+ ACCESS_ONCE_RW(ads->link) = i->link; - - checksum += i->buf_addr[0]; -- ACCESS_ONCE(ads->data0) = i->buf_addr[0]; -+ ACCESS_ONCE_RW(ads->data0) = i->buf_addr[0]; - checksum += i->buf_addr[1]; -- ACCESS_ONCE(ads->data1) = i->buf_addr[1]; -+ ACCESS_ONCE_RW(ads->data1) = i->buf_addr[1]; - checksum += i->buf_addr[2]; -- ACCESS_ONCE(ads->data2) = i->buf_addr[2]; -+ ACCESS_ONCE_RW(ads->data2) = i->buf_addr[2]; - checksum += i->buf_addr[3]; -- ACCESS_ONCE(ads->data3) = i->buf_addr[3]; -+ ACCESS_ONCE_RW(ads->data3) = i->buf_addr[3]; - - checksum += (val = (i->buf_len[0] << AR_BufLen_S) & AR_BufLen); -- ACCESS_ONCE(ads->ctl3) = val; -+ ACCESS_ONCE_RW(ads->ctl3) = val; - checksum += (val = (i->buf_len[1] << AR_BufLen_S) & AR_BufLen); -- ACCESS_ONCE(ads->ctl5) = val; -+ ACCESS_ONCE_RW(ads->ctl5) = val; - checksum += (val = (i->buf_len[2] << AR_BufLen_S) & AR_BufLen); -- ACCESS_ONCE(ads->ctl7) = val; -+ ACCESS_ONCE_RW(ads->ctl7) = val; - checksum += (val = (i->buf_len[3] << AR_BufLen_S) & AR_BufLen); -- ACCESS_ONCE(ads->ctl9) = val; -+ ACCESS_ONCE_RW(ads->ctl9) = val; - - checksum = (u16) (((checksum & 0xffff) + (checksum >> 16)) & 0xffff); -- ACCESS_ONCE(ads->ctl10) = checksum; -+ ACCESS_ONCE_RW(ads->ctl10) = checksum; - - if (i->is_first || i->is_last) { -- ACCESS_ONCE(ads->ctl13) = set11nTries(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ctl13) = set11nTries(i->rates, 0) - | set11nTries(i->rates, 1) - | set11nTries(i->rates, 2) - | set11nTries(i->rates, 3) - | (i->dur_update ? AR_DurUpdateEna : 0) - | SM(0, AR_BurstDur); - -- ACCESS_ONCE(ads->ctl14) = set11nRate(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ctl14) = set11nRate(i->rates, 0) - | set11nRate(i->rates, 1) - | set11nRate(i->rates, 2) - | set11nRate(i->rates, 3); - } else { -- ACCESS_ONCE(ads->ctl13) = 0; -- ACCESS_ONCE(ads->ctl14) = 0; -+ ACCESS_ONCE_RW(ads->ctl13) = 0; -+ ACCESS_ONCE_RW(ads->ctl14) = 0; - } - - ads->ctl20 = 0; -@@ -89,17 +89,17 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - - ctl17 = SM(i->keytype, AR_EncrType); - if (!i->is_first) { -- ACCESS_ONCE(ads->ctl11) = 0; -- ACCESS_ONCE(ads->ctl12) = i->is_last ? 0 : AR_TxMore; -- ACCESS_ONCE(ads->ctl15) = 0; -- ACCESS_ONCE(ads->ctl16) = 0; -- ACCESS_ONCE(ads->ctl17) = ctl17; -- ACCESS_ONCE(ads->ctl18) = 0; -- ACCESS_ONCE(ads->ctl19) = 0; -+ ACCESS_ONCE_RW(ads->ctl11) = 0; -+ ACCESS_ONCE_RW(ads->ctl12) = i->is_last ? 0 : AR_TxMore; -+ ACCESS_ONCE_RW(ads->ctl15) = 0; -+ ACCESS_ONCE_RW(ads->ctl16) = 0; -+ ACCESS_ONCE_RW(ads->ctl17) = ctl17; -+ ACCESS_ONCE_RW(ads->ctl18) = 0; -+ ACCESS_ONCE_RW(ads->ctl19) = 0; - return; - } - -- ACCESS_ONCE(ads->ctl11) = (i->pkt_len & AR_FrameLen) -+ ACCESS_ONCE_RW(ads->ctl11) = (i->pkt_len & AR_FrameLen) - | (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0) - | SM(i->txpower[0], AR_XmitPower0) - | (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0) -@@ -135,26 +135,26 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - val = (i->flags & ATH9K_TXDESC_PAPRD) >> ATH9K_TXDESC_PAPRD_S; - ctl12 |= SM(val, AR_PAPRDChainMask); - -- ACCESS_ONCE(ads->ctl12) = ctl12; -- ACCESS_ONCE(ads->ctl17) = ctl17; -+ ACCESS_ONCE_RW(ads->ctl12) = ctl12; -+ ACCESS_ONCE_RW(ads->ctl17) = ctl17; - -- ACCESS_ONCE(ads->ctl15) = set11nPktDurRTSCTS(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ctl15) = set11nPktDurRTSCTS(i->rates, 0) - | set11nPktDurRTSCTS(i->rates, 1); - -- ACCESS_ONCE(ads->ctl16) = set11nPktDurRTSCTS(i->rates, 2) -+ ACCESS_ONCE_RW(ads->ctl16) = set11nPktDurRTSCTS(i->rates, 2) - | set11nPktDurRTSCTS(i->rates, 3); - -- ACCESS_ONCE(ads->ctl18) = set11nRateFlags(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ctl18) = set11nRateFlags(i->rates, 0) - | set11nRateFlags(i->rates, 1) - | set11nRateFlags(i->rates, 2) - | set11nRateFlags(i->rates, 3) - | SM(i->rtscts_rate, AR_RTSCTSRate); - -- ACCESS_ONCE(ads->ctl19) = AR_Not_Sounding; -+ ACCESS_ONCE_RW(ads->ctl19) = AR_Not_Sounding; - -- ACCESS_ONCE(ads->ctl20) = SM(i->txpower[1], AR_XmitPower1); -- ACCESS_ONCE(ads->ctl21) = SM(i->txpower[2], AR_XmitPower2); -- ACCESS_ONCE(ads->ctl22) = SM(i->txpower[3], AR_XmitPower3); -+ ACCESS_ONCE_RW(ads->ctl20) = SM(i->txpower[1], AR_XmitPower1); -+ ACCESS_ONCE_RW(ads->ctl21) = SM(i->txpower[2], AR_XmitPower2); -+ ACCESS_ONCE_RW(ads->ctl22) = SM(i->txpower[3], AR_XmitPower3); - } - - static u16 ar9003_calc_ptr_chksum(struct ar9003_txc *ads) -diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h -index 9cbca12..eae7c79 100644 ---- a/drivers/net/wireless/ath/ath9k/hw.h -+++ b/drivers/net/wireless/ath/ath9k/hw.h -@@ -672,7 +672,7 @@ struct ath_hw_private_ops { - #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT - bool (*is_aic_enabled)(struct ath_hw *ah); - #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */ --}; -+} __no_const; - - /** - * struct ath_spec_scan - parameters for Atheros spectral scan -@@ -748,7 +748,7 @@ struct ath_hw_ops { - #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT - void (*set_bt_ant_diversity)(struct ath_hw *hw, bool enable); - #endif --}; -+} __no_const; - - struct ath_nf_limits { - s16 max; -diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c -index b868f02..95db87b 100644 ---- a/drivers/net/wireless/ath/ath9k/main.c -+++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -2617,16 +2617,18 @@ void ath9k_fill_chanctx_ops(void) - if (!ath9k_is_chanctx_enabled()) - return; - -- ath9k_ops.hw_scan = ath9k_hw_scan; -- ath9k_ops.cancel_hw_scan = ath9k_cancel_hw_scan; -- ath9k_ops.remain_on_channel = ath9k_remain_on_channel; -- ath9k_ops.cancel_remain_on_channel = ath9k_cancel_remain_on_channel; -- ath9k_ops.add_chanctx = ath9k_add_chanctx; -- ath9k_ops.remove_chanctx = ath9k_remove_chanctx; -- ath9k_ops.change_chanctx = ath9k_change_chanctx; -- ath9k_ops.assign_vif_chanctx = ath9k_assign_vif_chanctx; -- ath9k_ops.unassign_vif_chanctx = ath9k_unassign_vif_chanctx; -- ath9k_ops.mgd_prepare_tx = ath9k_mgd_prepare_tx; -+ pax_open_kernel(); -+ const_cast(ath9k_ops.hw_scan) = ath9k_hw_scan; -+ const_cast(ath9k_ops.cancel_hw_scan) = ath9k_cancel_hw_scan; -+ const_cast(ath9k_ops.remain_on_channel) = ath9k_remain_on_channel; -+ const_cast(ath9k_ops.cancel_remain_on_channel) = ath9k_cancel_remain_on_channel; -+ const_cast(ath9k_ops.add_chanctx) = ath9k_add_chanctx; -+ const_cast(ath9k_ops.remove_chanctx) = ath9k_remove_chanctx; -+ const_cast(ath9k_ops.change_chanctx) = ath9k_change_chanctx; -+ const_cast(ath9k_ops.assign_vif_chanctx) = ath9k_assign_vif_chanctx; -+ const_cast(ath9k_ops.unassign_vif_chanctx) = ath9k_unassign_vif_chanctx; -+ const_cast(ath9k_ops.mgd_prepare_tx) = ath9k_mgd_prepare_tx; -+ pax_close_kernel(); - } - - #endif -diff --git a/drivers/net/wireless/ath/carl9170/carl9170.h b/drivers/net/wireless/ath/carl9170/carl9170.h -index 237d0cd..6c094fd 100644 ---- a/drivers/net/wireless/ath/carl9170/carl9170.h -+++ b/drivers/net/wireless/ath/carl9170/carl9170.h -@@ -297,7 +297,7 @@ struct ar9170 { - unsigned long max_queue_stop_timeout[__AR9170_NUM_TXQ]; - bool needs_full_reset; - bool force_usb_reset; -- atomic_t pending_restarts; -+ atomic_unchecked_t pending_restarts; - - /* interface mode settings */ - struct list_head vif_list; -@@ -400,7 +400,7 @@ struct ar9170 { - struct carl9170_sta_tid __rcu *tx_ampdu_iter; - struct list_head tx_ampdu_list; - atomic_t tx_ampdu_upload; -- atomic_t tx_ampdu_scheduler; -+ atomic_unchecked_t tx_ampdu_scheduler; - atomic_t tx_total_pending; - atomic_t tx_total_queued; - unsigned int tx_ampdu_list_len; -@@ -412,7 +412,7 @@ struct ar9170 { - spinlock_t mem_lock; - unsigned long *mem_bitmap; - atomic_t mem_free_blocks; -- atomic_t mem_allocs; -+ atomic_unchecked_t mem_allocs; - - /* rxstream mpdu merge */ - struct ar9170_rx_head rx_plcp; -diff --git a/drivers/net/wireless/ath/carl9170/debug.c b/drivers/net/wireless/ath/carl9170/debug.c -index ec3a64e..4d4a4e2 100644 ---- a/drivers/net/wireless/ath/carl9170/debug.c -+++ b/drivers/net/wireless/ath/carl9170/debug.c -@@ -223,7 +223,7 @@ static char *carl9170_debugfs_mem_usage_read(struct ar9170 *ar, char *buf, - - ADD(buf, *len, bufsize, "cookies: used:%3d / total:%3d, allocs:%d\n", - bitmap_weight(ar->mem_bitmap, ar->fw.mem_blocks), -- ar->fw.mem_blocks, atomic_read(&ar->mem_allocs)); -+ ar->fw.mem_blocks, atomic_read_unchecked(&ar->mem_allocs)); - - ADD(buf, *len, bufsize, "memory: free:%3d (%3d KiB) / total:%3d KiB)\n", - atomic_read(&ar->mem_free_blocks), -@@ -674,7 +674,7 @@ static char *carl9170_debugfs_bug_read(struct ar9170 *ar, char *buf, - ADD(buf, *ret, bufsize, "reported firmware BUGs:%d\n", - ar->fw.bug_counter); - ADD(buf, *ret, bufsize, "pending restart requests:%d\n", -- atomic_read(&ar->pending_restarts)); -+ atomic_read_unchecked(&ar->pending_restarts)); - return buf; - } - __DEBUGFS_DECLARE_RW_FILE(bug, 400, CARL9170_STOPPED); -@@ -781,7 +781,7 @@ DEBUGFS_READONLY_FILE(usb_rx_pool_urbs, 20, "%d", - DEBUGFS_READONLY_FILE(tx_total_queued, 20, "%d", - atomic_read(&ar->tx_total_queued)); - DEBUGFS_READONLY_FILE(tx_ampdu_scheduler, 20, "%d", -- atomic_read(&ar->tx_ampdu_scheduler)); -+ atomic_read_unchecked(&ar->tx_ampdu_scheduler)); - - DEBUGFS_READONLY_FILE(tx_total_pending, 20, "%d", - atomic_read(&ar->tx_total_pending)); -diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c -index ffb22a0..231c7bc 100644 ---- a/drivers/net/wireless/ath/carl9170/main.c -+++ b/drivers/net/wireless/ath/carl9170/main.c -@@ -320,7 +320,7 @@ static void carl9170_zap_queues(struct ar9170 *ar) - rcu_read_unlock(); - - atomic_set(&ar->tx_ampdu_upload, 0); -- atomic_set(&ar->tx_ampdu_scheduler, 0); -+ atomic_set_unchecked(&ar->tx_ampdu_scheduler, 0); - atomic_set(&ar->tx_total_pending, 0); - atomic_set(&ar->tx_total_queued, 0); - atomic_set(&ar->mem_free_blocks, ar->fw.mem_blocks); -@@ -370,7 +370,7 @@ static int carl9170_op_start(struct ieee80211_hw *hw) - ar->max_queue_stop_timeout[i] = 0; - } - -- atomic_set(&ar->mem_allocs, 0); -+ atomic_set_unchecked(&ar->mem_allocs, 0); - - err = carl9170_usb_open(ar); - if (err) -@@ -490,7 +490,7 @@ static void carl9170_restart_work(struct work_struct *work) - - if (!err && !ar->force_usb_reset) { - ar->restart_counter++; -- atomic_set(&ar->pending_restarts, 0); -+ atomic_set_unchecked(&ar->pending_restarts, 0); - - ieee80211_restart_hw(ar->hw); - } else { -@@ -513,7 +513,7 @@ void carl9170_restart(struct ar9170 *ar, const enum carl9170_restart_reasons r) - * By ignoring these *surplus* reset events, the device won't be - * killed again, right after it has recovered. - */ -- if (atomic_inc_return(&ar->pending_restarts) > 1) { -+ if (atomic_inc_return_unchecked(&ar->pending_restarts) > 1) { - dev_dbg(&ar->udev->dev, "ignoring restart (%d)\n", r); - return; - } -@@ -1820,7 +1820,7 @@ void *carl9170_alloc(size_t priv_size) - spin_lock_init(&ar->tx_ampdu_list_lock); - spin_lock_init(&ar->mem_lock); - spin_lock_init(&ar->state_lock); -- atomic_set(&ar->pending_restarts, 0); -+ atomic_set_unchecked(&ar->pending_restarts, 0); - ar->vifs = 0; - for (i = 0; i < ar->hw->queues; i++) { - skb_queue_head_init(&ar->tx_status[i]); -diff --git a/drivers/net/wireless/ath/carl9170/tx.c b/drivers/net/wireless/ath/carl9170/tx.c -index 2bf04c9..ae05957 100644 ---- a/drivers/net/wireless/ath/carl9170/tx.c -+++ b/drivers/net/wireless/ath/carl9170/tx.c -@@ -193,7 +193,7 @@ static int carl9170_alloc_dev_space(struct ar9170 *ar, struct sk_buff *skb) - unsigned int chunks; - int cookie = -1; - -- atomic_inc(&ar->mem_allocs); -+ atomic_inc_unchecked(&ar->mem_allocs); - - chunks = DIV_ROUND_UP(skb->len, ar->fw.mem_block_size); - if (unlikely(atomic_sub_return(chunks, &ar->mem_free_blocks) < 0)) { -@@ -1130,7 +1130,7 @@ static void carl9170_tx_ampdu(struct ar9170 *ar) - unsigned int i = 0, done_ampdus = 0; - u16 seq, queue, tmpssn; - -- atomic_inc(&ar->tx_ampdu_scheduler); -+ atomic_inc_unchecked(&ar->tx_ampdu_scheduler); - ar->tx_ampdu_schedule = false; - - if (atomic_read(&ar->tx_ampdu_upload)) -diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c -index 44746ca..6e17b3b 100644 ---- a/drivers/net/wireless/ath/wil6210/pcie_bus.c -+++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c -@@ -164,7 +164,7 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) - struct wil6210_priv *wil; - struct device *dev = &pdev->dev; - int rc; -- const struct wil_platform_rops rops = { -+ static const struct wil_platform_rops rops = { - .ramdump = wil_platform_rop_ramdump, - .fw_recovery = wil_platform_rop_fw_recovery, - }; -diff --git a/drivers/net/wireless/ath/wil6210/wil_platform.h b/drivers/net/wireless/ath/wil6210/wil_platform.h -index f8c4117..72c917e 100644 ---- a/drivers/net/wireless/ath/wil6210/wil_platform.h -+++ b/drivers/net/wireless/ath/wil6210/wil_platform.h -@@ -37,7 +37,7 @@ struct wil_platform_ops { - int (*resume)(void *handle); - void (*uninit)(void *handle); - int (*notify)(void *handle, enum wil_platform_event evt); --}; -+} __no_const; - - /** - * struct wil_platform_rops - wil platform module callbacks from -diff --git a/drivers/net/wireless/atmel/at76c50x-usb.c b/drivers/net/wireless/atmel/at76c50x-usb.c -index 0e18067..1f7f9a2 100644 ---- a/drivers/net/wireless/atmel/at76c50x-usb.c -+++ b/drivers/net/wireless/atmel/at76c50x-usb.c -@@ -353,7 +353,7 @@ static int at76_dfu_get_state(struct usb_device *udev, u8 *state) - } - - /* Convert timeout from the DFU status to jiffies */ --static inline unsigned long at76_get_timeout(struct dfu_status *s) -+static inline unsigned long __intentional_overflow(-1) at76_get_timeout(struct dfu_status *s) - { - return msecs_to_jiffies((s->poll_timeout[2] << 16) - | (s->poll_timeout[1] << 8) -diff --git a/drivers/net/wireless/atmel/atmel.c b/drivers/net/wireless/atmel/atmel.c -index bf2e9a0..b55366e 100644 ---- a/drivers/net/wireless/atmel/atmel.c -+++ b/drivers/net/wireless/atmel/atmel.c -@@ -1663,9 +1663,10 @@ EXPORT_SYMBOL(stop_atmel_card); - - static int atmel_set_essid(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_point *dwrq = &wrqu->essid; - struct atmel_private *priv = netdev_priv(dev); - - /* Check if we asked for `any' */ -@@ -1691,9 +1692,10 @@ static int atmel_set_essid(struct net_device *dev, - - static int atmel_get_essid(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_point *dwrq = &wrqu->essid; - struct atmel_private *priv = netdev_priv(dev); - - /* Get the current SSID */ -@@ -1712,9 +1714,10 @@ static int atmel_get_essid(struct net_device *dev, - - static int atmel_get_wap(struct net_device *dev, - struct iw_request_info *info, -- struct sockaddr *awrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct sockaddr *awrq = &wrqu->ap_addr; - struct atmel_private *priv = netdev_priv(dev); - memcpy(awrq->sa_data, priv->CurrentBSSID, ETH_ALEN); - awrq->sa_family = ARPHRD_ETHER; -@@ -1724,9 +1727,10 @@ static int atmel_get_wap(struct net_device *dev, - - static int atmel_set_encode(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_point *dwrq = &wrqu->encoding; - struct atmel_private *priv = netdev_priv(dev); - - /* Basic checking: do we have a key to set ? -@@ -1813,9 +1817,10 @@ static int atmel_set_encode(struct net_device *dev, - - static int atmel_get_encode(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_point *dwrq = &wrqu->encoding; - struct atmel_private *priv = netdev_priv(dev); - int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; - -@@ -2023,18 +2028,20 @@ static int atmel_get_auth(struct net_device *dev, - - static int atmel_get_name(struct net_device *dev, - struct iw_request_info *info, -- char *cwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ char *cwrq = wrqu->name; - strcpy(cwrq, "IEEE 802.11-DS"); - return 0; - } - - static int atmel_set_rate(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->bitrate; - struct atmel_private *priv = netdev_priv(dev); - - if (vwrq->fixed == 0) { -@@ -2073,9 +2080,10 @@ static int atmel_set_rate(struct net_device *dev, - - static int atmel_set_mode(struct net_device *dev, - struct iw_request_info *info, -- __u32 *uwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ __u32 *uwrq = &wrqu->mode; - struct atmel_private *priv = netdev_priv(dev); - - if (*uwrq != IW_MODE_ADHOC && *uwrq != IW_MODE_INFRA) -@@ -2087,9 +2095,10 @@ static int atmel_set_mode(struct net_device *dev, - - static int atmel_get_mode(struct net_device *dev, - struct iw_request_info *info, -- __u32 *uwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ __u32 *uwrq = &wrqu->mode; - struct atmel_private *priv = netdev_priv(dev); - - *uwrq = priv->operating_mode; -@@ -2098,9 +2107,10 @@ static int atmel_get_mode(struct net_device *dev, - - static int atmel_get_rate(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->bitrate; - struct atmel_private *priv = netdev_priv(dev); - - if (priv->auto_tx_rate) { -@@ -2128,9 +2138,10 @@ static int atmel_get_rate(struct net_device *dev, - - static int atmel_set_power(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->power; - struct atmel_private *priv = netdev_priv(dev); - priv->power_mode = vwrq->disabled ? 0 : 1; - return -EINPROGRESS; -@@ -2138,9 +2149,10 @@ static int atmel_set_power(struct net_device *dev, - - static int atmel_get_power(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->power; - struct atmel_private *priv = netdev_priv(dev); - vwrq->disabled = priv->power_mode ? 0 : 1; - vwrq->flags = IW_POWER_ON; -@@ -2149,9 +2161,10 @@ static int atmel_get_power(struct net_device *dev, - - static int atmel_set_retry(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->retry; - struct atmel_private *priv = netdev_priv(dev); - - if (!vwrq->disabled && (vwrq->flags & IW_RETRY_LIMIT)) { -@@ -2172,9 +2185,10 @@ static int atmel_set_retry(struct net_device *dev, - - static int atmel_get_retry(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->retry; - struct atmel_private *priv = netdev_priv(dev); - - vwrq->disabled = 0; /* Can't be disabled */ -@@ -2195,9 +2209,10 @@ static int atmel_get_retry(struct net_device *dev, - - static int atmel_set_rts(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->rts; - struct atmel_private *priv = netdev_priv(dev); - int rthr = vwrq->value; - -@@ -2213,9 +2228,10 @@ static int atmel_set_rts(struct net_device *dev, - - static int atmel_get_rts(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->rts; - struct atmel_private *priv = netdev_priv(dev); - - vwrq->value = priv->rts_threshold; -@@ -2227,9 +2243,10 @@ static int atmel_get_rts(struct net_device *dev, - - static int atmel_set_frag(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->frag; - struct atmel_private *priv = netdev_priv(dev); - int fthr = vwrq->value; - -@@ -2246,9 +2263,10 @@ static int atmel_set_frag(struct net_device *dev, - - static int atmel_get_frag(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->frag; - struct atmel_private *priv = netdev_priv(dev); - - vwrq->value = priv->frag_threshold; -@@ -2260,9 +2278,10 @@ static int atmel_get_frag(struct net_device *dev, - - static int atmel_set_freq(struct net_device *dev, - struct iw_request_info *info, -- struct iw_freq *fwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_freq *fwrq = &wrqu->freq; - struct atmel_private *priv = netdev_priv(dev); - int rc = -EINPROGRESS; /* Call commit handler */ - -@@ -2290,9 +2309,10 @@ static int atmel_set_freq(struct net_device *dev, - - static int atmel_get_freq(struct net_device *dev, - struct iw_request_info *info, -- struct iw_freq *fwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_freq *fwrq = &wrqu->freq; - struct atmel_private *priv = netdev_priv(dev); - - fwrq->m = priv->channel; -@@ -2302,7 +2322,7 @@ static int atmel_get_freq(struct net_device *dev, - - static int atmel_set_scan(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, -+ union iwreq_data *dwrq, - char *extra) - { - struct atmel_private *priv = netdev_priv(dev); -@@ -2340,9 +2360,10 @@ static int atmel_set_scan(struct net_device *dev, - - static int atmel_get_scan(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_point *dwrq = &wrqu->data; - struct atmel_private *priv = netdev_priv(dev); - int i; - char *current_ev = extra; -@@ -2411,9 +2432,10 @@ static int atmel_get_scan(struct net_device *dev, - - static int atmel_get_range(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_point *dwrq = &wrqu->data; - struct atmel_private *priv = netdev_priv(dev); - struct iw_range *range = (struct iw_range *) extra; - int k, i, j; -@@ -2485,9 +2507,10 @@ static int atmel_get_range(struct net_device *dev, - - static int atmel_set_wap(struct net_device *dev, - struct iw_request_info *info, -- struct sockaddr *awrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct sockaddr *awrq = &wrqu->ap_addr; - struct atmel_private *priv = netdev_priv(dev); - int i; - static const u8 any[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; -@@ -2527,7 +2550,7 @@ static int atmel_set_wap(struct net_device *dev, - - static int atmel_config_commit(struct net_device *dev, - struct iw_request_info *info, /* NULL */ -- void *zwrq, /* NULL */ -+ union iwreq_data *zwrq, /* NULL */ - char *extra) /* NULL */ - { - return atmel_open(dev); -@@ -2535,61 +2558,61 @@ static int atmel_config_commit(struct net_device *dev, - - static const iw_handler atmel_handler[] = - { -- (iw_handler) atmel_config_commit, /* SIOCSIWCOMMIT */ -- (iw_handler) atmel_get_name, /* SIOCGIWNAME */ -- (iw_handler) NULL, /* SIOCSIWNWID */ -- (iw_handler) NULL, /* SIOCGIWNWID */ -- (iw_handler) atmel_set_freq, /* SIOCSIWFREQ */ -- (iw_handler) atmel_get_freq, /* SIOCGIWFREQ */ -- (iw_handler) atmel_set_mode, /* SIOCSIWMODE */ -- (iw_handler) atmel_get_mode, /* SIOCGIWMODE */ -- (iw_handler) NULL, /* SIOCSIWSENS */ -- (iw_handler) NULL, /* SIOCGIWSENS */ -- (iw_handler) NULL, /* SIOCSIWRANGE */ -- (iw_handler) atmel_get_range, /* SIOCGIWRANGE */ -- (iw_handler) NULL, /* SIOCSIWPRIV */ -- (iw_handler) NULL, /* SIOCGIWPRIV */ -- (iw_handler) NULL, /* SIOCSIWSTATS */ -- (iw_handler) NULL, /* SIOCGIWSTATS */ -- (iw_handler) NULL, /* SIOCSIWSPY */ -- (iw_handler) NULL, /* SIOCGIWSPY */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) atmel_set_wap, /* SIOCSIWAP */ -- (iw_handler) atmel_get_wap, /* SIOCGIWAP */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) NULL, /* SIOCGIWAPLIST */ -- (iw_handler) atmel_set_scan, /* SIOCSIWSCAN */ -- (iw_handler) atmel_get_scan, /* SIOCGIWSCAN */ -- (iw_handler) atmel_set_essid, /* SIOCSIWESSID */ -- (iw_handler) atmel_get_essid, /* SIOCGIWESSID */ -- (iw_handler) NULL, /* SIOCSIWNICKN */ -- (iw_handler) NULL, /* SIOCGIWNICKN */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) atmel_set_rate, /* SIOCSIWRATE */ -- (iw_handler) atmel_get_rate, /* SIOCGIWRATE */ -- (iw_handler) atmel_set_rts, /* SIOCSIWRTS */ -- (iw_handler) atmel_get_rts, /* SIOCGIWRTS */ -- (iw_handler) atmel_set_frag, /* SIOCSIWFRAG */ -- (iw_handler) atmel_get_frag, /* SIOCGIWFRAG */ -- (iw_handler) NULL, /* SIOCSIWTXPOW */ -- (iw_handler) NULL, /* SIOCGIWTXPOW */ -- (iw_handler) atmel_set_retry, /* SIOCSIWRETRY */ -- (iw_handler) atmel_get_retry, /* SIOCGIWRETRY */ -- (iw_handler) atmel_set_encode, /* SIOCSIWENCODE */ -- (iw_handler) atmel_get_encode, /* SIOCGIWENCODE */ -- (iw_handler) atmel_set_power, /* SIOCSIWPOWER */ -- (iw_handler) atmel_get_power, /* SIOCGIWPOWER */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) NULL, /* SIOCSIWGENIE */ -- (iw_handler) NULL, /* SIOCGIWGENIE */ -- (iw_handler) atmel_set_auth, /* SIOCSIWAUTH */ -- (iw_handler) atmel_get_auth, /* SIOCGIWAUTH */ -- (iw_handler) atmel_set_encodeext, /* SIOCSIWENCODEEXT */ -- (iw_handler) atmel_get_encodeext, /* SIOCGIWENCODEEXT */ -- (iw_handler) NULL, /* SIOCSIWPMKSA */ -+ atmel_config_commit, /* SIOCSIWCOMMIT */ -+ atmel_get_name, /* SIOCGIWNAME */ -+ NULL, /* SIOCSIWNWID */ -+ NULL, /* SIOCGIWNWID */ -+ atmel_set_freq, /* SIOCSIWFREQ */ -+ atmel_get_freq, /* SIOCGIWFREQ */ -+ atmel_set_mode, /* SIOCSIWMODE */ -+ atmel_get_mode, /* SIOCGIWMODE */ -+ NULL, /* SIOCSIWSENS */ -+ NULL, /* SIOCGIWSENS */ -+ NULL, /* SIOCSIWRANGE */ -+ atmel_get_range, /* SIOCGIWRANGE */ -+ NULL, /* SIOCSIWPRIV */ -+ NULL, /* SIOCGIWPRIV */ -+ NULL, /* SIOCSIWSTATS */ -+ NULL, /* SIOCGIWSTATS */ -+ NULL, /* SIOCSIWSPY */ -+ NULL, /* SIOCGIWSPY */ -+ NULL, /* -- hole -- */ -+ NULL, /* -- hole -- */ -+ atmel_set_wap, /* SIOCSIWAP */ -+ atmel_get_wap, /* SIOCGIWAP */ -+ NULL, /* -- hole -- */ -+ NULL, /* SIOCGIWAPLIST */ -+ atmel_set_scan, /* SIOCSIWSCAN */ -+ atmel_get_scan, /* SIOCGIWSCAN */ -+ atmel_set_essid, /* SIOCSIWESSID */ -+ atmel_get_essid, /* SIOCGIWESSID */ -+ NULL, /* SIOCSIWNICKN */ -+ NULL, /* SIOCGIWNICKN */ -+ NULL, /* -- hole -- */ -+ NULL, /* -- hole -- */ -+ atmel_set_rate, /* SIOCSIWRATE */ -+ atmel_get_rate, /* SIOCGIWRATE */ -+ atmel_set_rts, /* SIOCSIWRTS */ -+ atmel_get_rts, /* SIOCGIWRTS */ -+ atmel_set_frag, /* SIOCSIWFRAG */ -+ atmel_get_frag, /* SIOCGIWFRAG */ -+ NULL, /* SIOCSIWTXPOW */ -+ NULL, /* SIOCGIWTXPOW */ -+ atmel_set_retry, /* SIOCSIWRETRY */ -+ atmel_get_retry, /* SIOCGIWRETRY */ -+ atmel_set_encode, /* SIOCSIWENCODE */ -+ atmel_get_encode, /* SIOCGIWENCODE */ -+ atmel_set_power, /* SIOCSIWPOWER */ -+ atmel_get_power, /* SIOCGIWPOWER */ -+ NULL, /* -- hole -- */ -+ NULL, /* -- hole -- */ -+ NULL, /* SIOCSIWGENIE */ -+ NULL, /* SIOCGIWGENIE */ -+ atmel_set_auth, /* SIOCSIWAUTH */ -+ atmel_get_auth, /* SIOCGIWAUTH */ -+ atmel_set_encodeext, /* SIOCSIWENCODEEXT */ -+ atmel_get_encodeext, /* SIOCGIWENCODEEXT */ -+ NULL, /* SIOCSIWPMKSA */ - }; - - static const iw_handler atmel_private_handler[] = -diff --git a/drivers/net/wireless/broadcom/b43/phy_lp.c b/drivers/net/wireless/broadcom/b43/phy_lp.c -index 6922cbb..c45026c 100644 ---- a/drivers/net/wireless/broadcom/b43/phy_lp.c -+++ b/drivers/net/wireless/broadcom/b43/phy_lp.c -@@ -2502,7 +2502,7 @@ static int lpphy_b2063_tune(struct b43_wldev *dev, - { - struct ssb_bus *bus = dev->dev->sdev->bus; - -- static const struct b206x_channel *chandata = NULL; -+ const struct b206x_channel *chandata = NULL; - u32 crystal_freq = bus->chipco.pmu.crystalfreq * 1000; - u32 freqref, vco_freq, val1, val2, val3, timeout, timeoutref, count; - u16 old_comm15, scale; -diff --git a/drivers/net/wireless/broadcom/b43legacy/main.c b/drivers/net/wireless/broadcom/b43legacy/main.c -index 83770d2..3ec8a40 100644 ---- a/drivers/net/wireless/broadcom/b43legacy/main.c -+++ b/drivers/net/wireless/broadcom/b43legacy/main.c -@@ -1304,8 +1304,9 @@ static void handle_irq_ucode_debug(struct b43legacy_wldev *dev) - } - - /* Interrupt handler bottom-half */ --static void b43legacy_interrupt_tasklet(struct b43legacy_wldev *dev) -+static void b43legacy_interrupt_tasklet(unsigned long _dev) - { -+ struct b43legacy_wldev *dev = (struct b43legacy_wldev *)_dev; - u32 reason; - u32 dma_reason[ARRAY_SIZE(dev->dma_reason)]; - u32 merged_dma_reason = 0; -@@ -3775,7 +3776,7 @@ static int b43legacy_one_core_attach(struct ssb_device *dev, - b43legacy_set_status(wldev, B43legacy_STAT_UNINIT); - wldev->bad_frames_preempt = modparam_bad_frames_preempt; - tasklet_init(&wldev->isr_tasklet, -- (void (*)(unsigned long))b43legacy_interrupt_tasklet, -+ b43legacy_interrupt_tasklet, - (unsigned long)wldev); - if (modparam_pio) - wldev->__using_pio = true; -diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c -index 78d9966..2808cb5 100644 ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c -@@ -5229,6 +5229,50 @@ static struct cfg80211_ops brcmf_cfg80211_ops = { - .tdls_oper = brcmf_cfg80211_tdls_oper, - }; - -+static struct cfg80211_ops brcmf_cfg80211_ops2 = { -+ .add_virtual_intf = brcmf_cfg80211_add_iface, -+ .del_virtual_intf = brcmf_cfg80211_del_iface, -+ .change_virtual_intf = brcmf_cfg80211_change_iface, -+ .scan = brcmf_cfg80211_scan, -+ .set_wiphy_params = brcmf_cfg80211_set_wiphy_params, -+ .join_ibss = brcmf_cfg80211_join_ibss, -+ .leave_ibss = brcmf_cfg80211_leave_ibss, -+ .get_station = brcmf_cfg80211_get_station, -+ .dump_station = brcmf_cfg80211_dump_station, -+ .set_tx_power = brcmf_cfg80211_set_tx_power, -+ .get_tx_power = brcmf_cfg80211_get_tx_power, -+ .add_key = brcmf_cfg80211_add_key, -+ .del_key = brcmf_cfg80211_del_key, -+ .get_key = brcmf_cfg80211_get_key, -+ .set_default_key = brcmf_cfg80211_config_default_key, -+ .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key, -+ .set_power_mgmt = brcmf_cfg80211_set_power_mgmt, -+ .connect = brcmf_cfg80211_connect, -+ .disconnect = brcmf_cfg80211_disconnect, -+ .suspend = brcmf_cfg80211_suspend, -+ .resume = brcmf_cfg80211_resume, -+ .set_pmksa = brcmf_cfg80211_set_pmksa, -+ .del_pmksa = brcmf_cfg80211_del_pmksa, -+ .flush_pmksa = brcmf_cfg80211_flush_pmksa, -+ .start_ap = brcmf_cfg80211_start_ap, -+ .stop_ap = brcmf_cfg80211_stop_ap, -+ .change_beacon = brcmf_cfg80211_change_beacon, -+ .del_station = brcmf_cfg80211_del_station, -+ .change_station = brcmf_cfg80211_change_station, -+ .sched_scan_start = brcmf_cfg80211_sched_scan_start, -+ .sched_scan_stop = brcmf_cfg80211_sched_scan_stop, -+ .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register, -+ .mgmt_tx = brcmf_cfg80211_mgmt_tx, -+ .remain_on_channel = brcmf_p2p_remain_on_channel, -+ .cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel, -+ .start_p2p_device = brcmf_p2p_start_device, -+ .stop_p2p_device = brcmf_p2p_stop_device, -+ .crit_proto_start = brcmf_cfg80211_crit_proto_start, -+ .crit_proto_stop = brcmf_cfg80211_crit_proto_stop, -+ .tdls_oper = brcmf_cfg80211_tdls_oper, -+ .set_rekey_data = brcmf_cfg80211_set_rekey_data, -+}; -+ - struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg, - enum nl80211_iftype type) - { -@@ -6845,7 +6889,7 @@ struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, - struct net_device *ndev = brcmf_get_ifp(drvr, 0)->ndev; - struct brcmf_cfg80211_info *cfg; - struct wiphy *wiphy; -- struct cfg80211_ops *ops; -+ struct cfg80211_ops *ops = &brcmf_cfg80211_ops; - struct brcmf_cfg80211_vif *vif; - struct brcmf_if *ifp; - s32 err = 0; -@@ -6857,14 +6901,10 @@ struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, - return NULL; - } - -- ops = kmemdup(&brcmf_cfg80211_ops, sizeof(*ops), GFP_KERNEL); -- if (!ops) -- return NULL; -- - ifp = netdev_priv(ndev); - #ifdef CONFIG_PM - if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_GTK)) -- ops->set_rekey_data = brcmf_cfg80211_set_rekey_data; -+ ops = &brcmf_cfg80211_ops2; - #endif - wiphy = wiphy_new(ops, sizeof(struct brcmf_cfg80211_info)); - if (!wiphy) { -@@ -7003,7 +7043,6 @@ struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr, - ifp->vif = NULL; - wiphy_out: - brcmf_free_wiphy(wiphy); -- kfree(ops); - return NULL; - } - -@@ -7014,7 +7053,6 @@ void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg) - - brcmf_btcoex_detach(cfg); - wiphy_unregister(cfg->wiphy); -- kfree(cfg->ops); - wl_deinit_priv(cfg); - brcmf_free_wiphy(cfg->wiphy); - } -diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_cmn.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_cmn.c -index 1c4e9dd..a6388e7 100644 ---- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_cmn.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_cmn.c -@@ -394,8 +394,9 @@ struct shared_phy *wlc_phy_shared_attach(struct shared_phy_params *shp) - return sh; - } - --static void wlc_phy_timercb_phycal(struct brcms_phy *pi) -+static void wlc_phy_timercb_phycal(void *_pi) - { -+ struct brcms_phy *pi = _pi; - uint delay = 5; - - if (PHY_PERICAL_MPHASE_PENDING(pi)) { -diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.c -index a0de5db..b723817 100644 ---- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.c -@@ -57,12 +57,11 @@ void wlc_phy_shim_detach(struct phy_shim_info *physhim) - } - - struct wlapi_timer *wlapi_init_timer(struct phy_shim_info *physhim, -- void (*fn)(struct brcms_phy *pi), -+ void (*fn)(void *pi), - void *arg, const char *name) - { - return (struct wlapi_timer *) -- brcms_init_timer(physhim->wl, (void (*)(void *))fn, -- arg, name); -+ brcms_init_timer(physhim->wl, fn, arg, name); - } - - void wlapi_free_timer(struct wlapi_timer *t) -diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.h b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.h -index dd87747..27d0934 100644 ---- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.h -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.h -@@ -131,7 +131,7 @@ void wlc_phy_shim_detach(struct phy_shim_info *physhim); - - /* PHY to WL utility functions */ - struct wlapi_timer *wlapi_init_timer(struct phy_shim_info *physhim, -- void (*fn)(struct brcms_phy *pi), -+ void (*fn)(void *pi), - void *arg, const char *name); - void wlapi_free_timer(struct wlapi_timer *t); - void wlapi_add_timer(struct wlapi_timer *t, uint ms, int periodic); -diff --git a/drivers/net/wireless/cisco/airo.c b/drivers/net/wireless/cisco/airo.c -index 69b826d..669a1e0 100644 ---- a/drivers/net/wireless/cisco/airo.c -+++ b/drivers/net/wireless/cisco/airo.c -@@ -4779,7 +4779,7 @@ static int get_dec_u16( char *buffer, int *start, int limit ) { - } - - static int airo_config_commit(struct net_device *dev, -- struct iw_request_info *info, void *zwrq, -+ struct iw_request_info *info, union iwreq_data *zwrq, - char *extra); - - static inline int sniffing_mode(struct airo_info *ai) -@@ -5766,9 +5766,11 @@ static int airo_get_quality (StatusRid *status_rid, CapabilityRid *cap_rid) - */ - static int airo_get_name(struct net_device *dev, - struct iw_request_info *info, -- char *cwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ char *cwrq = wrqu->name; -+ - strcpy(cwrq, "IEEE 802.11-DS"); - return 0; - } -@@ -5779,9 +5781,10 @@ static int airo_get_name(struct net_device *dev, - */ - static int airo_set_freq(struct net_device *dev, - struct iw_request_info *info, -- struct iw_freq *fwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_freq *fwrq = &wrqu->freq; - struct airo_info *local = dev->ml_priv; - int rc = -EINPROGRESS; /* Call commit handler */ - -@@ -5820,9 +5823,10 @@ static int airo_set_freq(struct net_device *dev, - */ - static int airo_get_freq(struct net_device *dev, - struct iw_request_info *info, -- struct iw_freq *fwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_freq *fwrq = &wrqu->freq; - struct airo_info *local = dev->ml_priv; - StatusRid status_rid; /* Card status info */ - int ch; -@@ -5852,9 +5856,10 @@ static int airo_get_freq(struct net_device *dev, - */ - static int airo_set_essid(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_point *dwrq = &wrqu->essid; - struct airo_info *local = dev->ml_priv; - SsidRid SSID_rid; /* SSIDs */ - -@@ -5897,9 +5902,10 @@ static int airo_set_essid(struct net_device *dev, - */ - static int airo_get_essid(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_point *dwrq = &wrqu->essid; - struct airo_info *local = dev->ml_priv; - StatusRid status_rid; /* Card status info */ - -@@ -5925,9 +5931,10 @@ static int airo_get_essid(struct net_device *dev, - */ - static int airo_set_wap(struct net_device *dev, - struct iw_request_info *info, -- struct sockaddr *awrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct sockaddr *awrq = &wrqu->ap_addr; - struct airo_info *local = dev->ml_priv; - Cmd cmd; - Resp rsp; -@@ -5960,9 +5967,10 @@ static int airo_set_wap(struct net_device *dev, - */ - static int airo_get_wap(struct net_device *dev, - struct iw_request_info *info, -- struct sockaddr *awrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct sockaddr *awrq = &wrqu->ap_addr; - struct airo_info *local = dev->ml_priv; - StatusRid status_rid; /* Card status info */ - -@@ -5981,9 +5989,10 @@ static int airo_get_wap(struct net_device *dev, - */ - static int airo_set_nick(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_point *dwrq = &wrqu->data; - struct airo_info *local = dev->ml_priv; - - /* Check the size of the string */ -@@ -6004,9 +6013,10 @@ static int airo_set_nick(struct net_device *dev, - */ - static int airo_get_nick(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_point *dwrq = &wrqu->data; - struct airo_info *local = dev->ml_priv; - - readConfigRid(local, 1); -@@ -6023,9 +6033,10 @@ static int airo_get_nick(struct net_device *dev, - */ - static int airo_set_rate(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->bitrate; - struct airo_info *local = dev->ml_priv; - CapabilityRid cap_rid; /* Card capability info */ - u8 brate = 0; -@@ -6093,9 +6104,10 @@ static int airo_set_rate(struct net_device *dev, - */ - static int airo_get_rate(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->bitrate; - struct airo_info *local = dev->ml_priv; - StatusRid status_rid; /* Card status info */ - -@@ -6115,9 +6127,10 @@ static int airo_get_rate(struct net_device *dev, - */ - static int airo_set_rts(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->rts; - struct airo_info *local = dev->ml_priv; - int rthr = vwrq->value; - -@@ -6139,9 +6152,10 @@ static int airo_set_rts(struct net_device *dev, - */ - static int airo_get_rts(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->rts; - struct airo_info *local = dev->ml_priv; - - readConfigRid(local, 1); -@@ -6158,9 +6172,10 @@ static int airo_get_rts(struct net_device *dev, - */ - static int airo_set_frag(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->frag; - struct airo_info *local = dev->ml_priv; - int fthr = vwrq->value; - -@@ -6183,9 +6198,10 @@ static int airo_set_frag(struct net_device *dev, - */ - static int airo_get_frag(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->frag; - struct airo_info *local = dev->ml_priv; - - readConfigRid(local, 1); -@@ -6202,9 +6218,10 @@ static int airo_get_frag(struct net_device *dev, - */ - static int airo_set_mode(struct net_device *dev, - struct iw_request_info *info, -- __u32 *uwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ __u32 *uwrq = &wrqu->mode; - struct airo_info *local = dev->ml_priv; - int reset = 0; - -@@ -6265,9 +6282,10 @@ static int airo_set_mode(struct net_device *dev, - */ - static int airo_get_mode(struct net_device *dev, - struct iw_request_info *info, -- __u32 *uwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ __u32 *uwrq = &wrqu->mode; - struct airo_info *local = dev->ml_priv; - - readConfigRid(local, 1); -@@ -6300,9 +6318,10 @@ static inline int valid_index(struct airo_info *ai, int index) - */ - static int airo_set_encode(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_point *dwrq = &wrqu->encoding; - struct airo_info *local = dev->ml_priv; - int perm = (dwrq->flags & IW_ENCODE_TEMP ? 0 : 1); - __le16 currentAuthType = local->config.authType; -@@ -6399,9 +6418,10 @@ static int airo_set_encode(struct net_device *dev, - */ - static int airo_get_encode(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_point *dwrq = &wrqu->encoding; - struct airo_info *local = dev->ml_priv; - int index = (dwrq->flags & IW_ENCODE_INDEX) - 1; - int wep_key_len; -@@ -6746,9 +6766,10 @@ static int airo_get_auth(struct net_device *dev, - */ - static int airo_set_txpow(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->txpower; - struct airo_info *local = dev->ml_priv; - CapabilityRid cap_rid; /* Card capability info */ - int i; -@@ -6783,9 +6804,10 @@ static int airo_set_txpow(struct net_device *dev, - */ - static int airo_get_txpow(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->txpower; - struct airo_info *local = dev->ml_priv; - - readConfigRid(local, 1); -@@ -6803,9 +6825,10 @@ static int airo_get_txpow(struct net_device *dev, - */ - static int airo_set_retry(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->retry; - struct airo_info *local = dev->ml_priv; - int rc = -EINVAL; - -@@ -6841,9 +6864,10 @@ static int airo_set_retry(struct net_device *dev, - */ - static int airo_get_retry(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->retry; - struct airo_info *local = dev->ml_priv; - - vwrq->disabled = 0; /* Can't be disabled */ -@@ -6872,9 +6896,10 @@ static int airo_get_retry(struct net_device *dev, - */ - static int airo_get_range(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_point *dwrq = &wrqu->data; - struct airo_info *local = dev->ml_priv; - struct iw_range *range = (struct iw_range *) extra; - CapabilityRid cap_rid; /* Card capability info */ -@@ -6998,9 +7023,10 @@ static int airo_get_range(struct net_device *dev, - */ - static int airo_set_power(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->power; - struct airo_info *local = dev->ml_priv; - - readConfigRid(local, 1); -@@ -7055,9 +7081,10 @@ static int airo_set_power(struct net_device *dev, - */ - static int airo_get_power(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->power; - struct airo_info *local = dev->ml_priv; - __le16 mode; - -@@ -7086,9 +7113,10 @@ static int airo_get_power(struct net_device *dev, - */ - static int airo_set_sens(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->sens; - struct airo_info *local = dev->ml_priv; - - readConfigRid(local, 1); -@@ -7105,9 +7133,10 @@ static int airo_set_sens(struct net_device *dev, - */ - static int airo_get_sens(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *vwrq = &wrqu->sens; - struct airo_info *local = dev->ml_priv; - - readConfigRid(local, 1); -@@ -7125,9 +7154,10 @@ static int airo_get_sens(struct net_device *dev, - */ - static int airo_get_aplist(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_point *dwrq = &wrqu->data; - struct airo_info *local = dev->ml_priv; - struct sockaddr *address = (struct sockaddr *) extra; - struct iw_quality *qual; -@@ -7203,7 +7233,7 @@ static int airo_get_aplist(struct net_device *dev, - */ - static int airo_set_scan(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, -+ union iwreq_data *dwrq, - char *extra) - { - struct airo_info *ai = dev->ml_priv; -@@ -7434,9 +7464,10 @@ static inline char *airo_translate_scan(struct net_device *dev, - */ - static int airo_get_scan(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_point *dwrq = &wrqu->data; - struct airo_info *ai = dev->ml_priv; - BSSListElement *net; - int err = 0; -@@ -7478,7 +7509,7 @@ static int airo_get_scan(struct net_device *dev, - */ - static int airo_config_commit(struct net_device *dev, - struct iw_request_info *info, /* NULL */ -- void *zwrq, /* NULL */ -+ union iwreq_data *zwrq, /* NULL */ - char *extra) /* NULL */ - { - struct airo_info *local = dev->ml_priv; -@@ -7528,61 +7559,61 @@ static const struct iw_priv_args airo_private_args[] = { - - static const iw_handler airo_handler[] = - { -- (iw_handler) airo_config_commit, /* SIOCSIWCOMMIT */ -- (iw_handler) airo_get_name, /* SIOCGIWNAME */ -- (iw_handler) NULL, /* SIOCSIWNWID */ -- (iw_handler) NULL, /* SIOCGIWNWID */ -- (iw_handler) airo_set_freq, /* SIOCSIWFREQ */ -- (iw_handler) airo_get_freq, /* SIOCGIWFREQ */ -- (iw_handler) airo_set_mode, /* SIOCSIWMODE */ -- (iw_handler) airo_get_mode, /* SIOCGIWMODE */ -- (iw_handler) airo_set_sens, /* SIOCSIWSENS */ -- (iw_handler) airo_get_sens, /* SIOCGIWSENS */ -- (iw_handler) NULL, /* SIOCSIWRANGE */ -- (iw_handler) airo_get_range, /* SIOCGIWRANGE */ -- (iw_handler) NULL, /* SIOCSIWPRIV */ -- (iw_handler) NULL, /* SIOCGIWPRIV */ -- (iw_handler) NULL, /* SIOCSIWSTATS */ -- (iw_handler) NULL, /* SIOCGIWSTATS */ -+ airo_config_commit, /* SIOCSIWCOMMIT */ -+ airo_get_name, /* SIOCGIWNAME */ -+ NULL, /* SIOCSIWNWID */ -+ NULL, /* SIOCGIWNWID */ -+ airo_set_freq, /* SIOCSIWFREQ */ -+ airo_get_freq, /* SIOCGIWFREQ */ -+ airo_set_mode, /* SIOCSIWMODE */ -+ airo_get_mode, /* SIOCGIWMODE */ -+ airo_set_sens, /* SIOCSIWSENS */ -+ airo_get_sens, /* SIOCGIWSENS */ -+ NULL, /* SIOCSIWRANGE */ -+ airo_get_range, /* SIOCGIWRANGE */ -+ NULL, /* SIOCSIWPRIV */ -+ NULL, /* SIOCGIWPRIV */ -+ NULL, /* SIOCSIWSTATS */ -+ NULL, /* SIOCGIWSTATS */ - iw_handler_set_spy, /* SIOCSIWSPY */ - iw_handler_get_spy, /* SIOCGIWSPY */ - iw_handler_set_thrspy, /* SIOCSIWTHRSPY */ - iw_handler_get_thrspy, /* SIOCGIWTHRSPY */ -- (iw_handler) airo_set_wap, /* SIOCSIWAP */ -- (iw_handler) airo_get_wap, /* SIOCGIWAP */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) airo_get_aplist, /* SIOCGIWAPLIST */ -- (iw_handler) airo_set_scan, /* SIOCSIWSCAN */ -- (iw_handler) airo_get_scan, /* SIOCGIWSCAN */ -- (iw_handler) airo_set_essid, /* SIOCSIWESSID */ -- (iw_handler) airo_get_essid, /* SIOCGIWESSID */ -- (iw_handler) airo_set_nick, /* SIOCSIWNICKN */ -- (iw_handler) airo_get_nick, /* SIOCGIWNICKN */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) airo_set_rate, /* SIOCSIWRATE */ -- (iw_handler) airo_get_rate, /* SIOCGIWRATE */ -- (iw_handler) airo_set_rts, /* SIOCSIWRTS */ -- (iw_handler) airo_get_rts, /* SIOCGIWRTS */ -- (iw_handler) airo_set_frag, /* SIOCSIWFRAG */ -- (iw_handler) airo_get_frag, /* SIOCGIWFRAG */ -- (iw_handler) airo_set_txpow, /* SIOCSIWTXPOW */ -- (iw_handler) airo_get_txpow, /* SIOCGIWTXPOW */ -- (iw_handler) airo_set_retry, /* SIOCSIWRETRY */ -- (iw_handler) airo_get_retry, /* SIOCGIWRETRY */ -- (iw_handler) airo_set_encode, /* SIOCSIWENCODE */ -- (iw_handler) airo_get_encode, /* SIOCGIWENCODE */ -- (iw_handler) airo_set_power, /* SIOCSIWPOWER */ -- (iw_handler) airo_get_power, /* SIOCGIWPOWER */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) NULL, /* SIOCSIWGENIE */ -- (iw_handler) NULL, /* SIOCGIWGENIE */ -- (iw_handler) airo_set_auth, /* SIOCSIWAUTH */ -- (iw_handler) airo_get_auth, /* SIOCGIWAUTH */ -- (iw_handler) airo_set_encodeext, /* SIOCSIWENCODEEXT */ -- (iw_handler) airo_get_encodeext, /* SIOCGIWENCODEEXT */ -- (iw_handler) NULL, /* SIOCSIWPMKSA */ -+ airo_set_wap, /* SIOCSIWAP */ -+ airo_get_wap, /* SIOCGIWAP */ -+ NULL, /* -- hole -- */ -+ airo_get_aplist, /* SIOCGIWAPLIST */ -+ airo_set_scan, /* SIOCSIWSCAN */ -+ airo_get_scan, /* SIOCGIWSCAN */ -+ airo_set_essid, /* SIOCSIWESSID */ -+ airo_get_essid, /* SIOCGIWESSID */ -+ airo_set_nick, /* SIOCSIWNICKN */ -+ airo_get_nick, /* SIOCGIWNICKN */ -+ NULL, /* -- hole -- */ -+ NULL, /* -- hole -- */ -+ airo_set_rate, /* SIOCSIWRATE */ -+ airo_get_rate, /* SIOCGIWRATE */ -+ airo_set_rts, /* SIOCSIWRTS */ -+ airo_get_rts, /* SIOCGIWRTS */ -+ airo_set_frag, /* SIOCSIWFRAG */ -+ airo_get_frag, /* SIOCGIWFRAG */ -+ airo_set_txpow, /* SIOCSIWTXPOW */ -+ airo_get_txpow, /* SIOCGIWTXPOW */ -+ airo_set_retry, /* SIOCSIWRETRY */ -+ airo_get_retry, /* SIOCGIWRETRY */ -+ airo_set_encode, /* SIOCSIWENCODE */ -+ airo_get_encode, /* SIOCGIWENCODE */ -+ airo_set_power, /* SIOCSIWPOWER */ -+ airo_get_power, /* SIOCGIWPOWER */ -+ NULL, /* -- hole -- */ -+ NULL, /* -- hole -- */ -+ NULL, /* SIOCSIWGENIE */ -+ NULL, /* SIOCGIWGENIE */ -+ airo_set_auth, /* SIOCSIWAUTH */ -+ airo_get_auth, /* SIOCGIWAUTH */ -+ airo_set_encodeext, /* SIOCSIWENCODEEXT */ -+ airo_get_encodeext, /* SIOCGIWENCODEEXT */ -+ NULL, /* SIOCSIWPMKSA */ - }; - - /* Note : don't describe AIROIDIFC and AIROOLDIDIFC in here. -@@ -7845,7 +7876,7 @@ static int writerids(struct net_device *dev, aironet_ioctl *comp) { - struct airo_info *ai = dev->ml_priv; - int ridcode; - int enabled; -- static int (* writer)(struct airo_info *, u16 rid, const void *, int, int); -+ int (* writer)(struct airo_info *, u16 rid, const void *, int, int); - unsigned char *iobuf; - - /* Only super-user can write RIDs */ -diff --git a/drivers/net/wireless/intel/ipw2x00/ipw2100.c b/drivers/net/wireless/intel/ipw2x00/ipw2100.c -index bfa542c..c2488f7 100644 ---- a/drivers/net/wireless/intel/ipw2x00/ipw2100.c -+++ b/drivers/net/wireless/intel/ipw2x00/ipw2100.c -@@ -3220,8 +3220,9 @@ static void ipw2100_tx_send_data(struct ipw2100_priv *priv) - } - } - --static void ipw2100_irq_tasklet(struct ipw2100_priv *priv) -+static void ipw2100_irq_tasklet(unsigned long _priv) - { -+ struct ipw2100_priv *priv = (struct ipw2100_priv *)_priv; - struct net_device *dev = priv->net_dev; - unsigned long flags; - u32 inta, tmp; -@@ -6029,7 +6030,7 @@ static void ipw2100_rf_kill(struct work_struct *work) - spin_unlock_irqrestore(&priv->low_lock, flags); - } - --static void ipw2100_irq_tasklet(struct ipw2100_priv *priv); -+static void ipw2100_irq_tasklet(unsigned long _priv); - - static const struct net_device_ops ipw2100_netdev_ops = { - .ndo_open = ipw2100_open, -@@ -6158,8 +6159,7 @@ static struct net_device *ipw2100_alloc_device(struct pci_dev *pci_dev, - INIT_DELAYED_WORK(&priv->rf_kill, ipw2100_rf_kill); - INIT_DELAYED_WORK(&priv->scan_event, ipw2100_scan_event); - -- tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long)) -- ipw2100_irq_tasklet, (unsigned long)priv); -+ tasklet_init(&priv->irq_tasklet, ipw2100_irq_tasklet, (unsigned long)priv); - - /* NOTE: We do not start the deferred work for status checks yet */ - priv->stop_rf_kill = 1; -diff --git a/drivers/net/wireless/intel/ipw2x00/ipw2200.c b/drivers/net/wireless/intel/ipw2x00/ipw2200.c -index bfd6861..d09fb09 100644 ---- a/drivers/net/wireless/intel/ipw2x00/ipw2200.c -+++ b/drivers/net/wireless/intel/ipw2x00/ipw2200.c -@@ -1968,8 +1968,9 @@ static void notify_wx_assoc_event(struct ipw_priv *priv) - wireless_send_event(priv->net_dev, SIOCGIWAP, &wrqu, NULL); - } - --static void ipw_irq_tasklet(struct ipw_priv *priv) -+static void ipw_irq_tasklet(unsigned long _priv) - { -+ struct ipw_priv *priv = (struct ipw_priv *)_priv; - u32 inta, inta_mask, handled = 0; - unsigned long flags; - int rc = 0; -@@ -10705,8 +10706,7 @@ static int ipw_setup_deferred_work(struct ipw_priv *priv) - INIT_WORK(&priv->qos_activate, ipw_bg_qos_activate); - #endif /* CONFIG_IPW2200_QOS */ - -- tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long)) -- ipw_irq_tasklet, (unsigned long)priv); -+ tasklet_init(&priv->irq_tasklet, ipw_irq_tasklet, (unsigned long)priv); - - return ret; - } -diff --git a/drivers/net/wireless/intel/iwlegacy/3945-mac.c b/drivers/net/wireless/intel/iwlegacy/3945-mac.c -index 466912e..a59ae61 100644 ---- a/drivers/net/wireless/intel/iwlegacy/3945-mac.c -+++ b/drivers/net/wireless/intel/iwlegacy/3945-mac.c -@@ -1399,8 +1399,9 @@ il3945_dump_nic_error_log(struct il_priv *il) - } - - static void --il3945_irq_tasklet(struct il_priv *il) -+il3945_irq_tasklet(unsigned long _il) - { -+ struct il_priv *il = (struct il_priv *)_il; - u32 inta, handled = 0; - u32 inta_fh; - unsigned long flags; -@@ -3432,7 +3433,7 @@ il3945_setup_deferred_work(struct il_priv *il) - setup_timer(&il->watchdog, il_bg_watchdog, (unsigned long)il); - - tasklet_init(&il->irq_tasklet, -- (void (*)(unsigned long))il3945_irq_tasklet, -+ il3945_irq_tasklet, - (unsigned long)il); - } - -@@ -3469,7 +3470,7 @@ static struct attribute_group il3945_attribute_group = { - .attrs = il3945_sysfs_entries, - }; - --static struct ieee80211_ops il3945_mac_ops __read_mostly = { -+static struct ieee80211_ops il3945_mac_ops = { - .tx = il3945_mac_tx, - .start = il3945_mac_start, - .stop = il3945_mac_stop, -@@ -3633,7 +3634,9 @@ il3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) - */ - if (il3945_mod_params.disable_hw_scan) { - D_INFO("Disabling hw_scan\n"); -- il3945_mac_ops.hw_scan = NULL; -+ pax_open_kernel(); -+ const_cast(il3945_mac_ops.hw_scan) = NULL; -+ pax_close_kernel(); - } - - D_INFO("*** LOAD DRIVER ***\n"); -diff --git a/drivers/net/wireless/intel/iwlegacy/4965-mac.c b/drivers/net/wireless/intel/iwlegacy/4965-mac.c -index a91d170..4b3876a 100644 ---- a/drivers/net/wireless/intel/iwlegacy/4965-mac.c -+++ b/drivers/net/wireless/intel/iwlegacy/4965-mac.c -@@ -4361,8 +4361,9 @@ il4965_synchronize_irq(struct il_priv *il) - } - - static void --il4965_irq_tasklet(struct il_priv *il) -+il4965_irq_tasklet(unsigned long _il) - { -+ struct il_priv *il = (struct il_priv *)_il; - u32 inta, handled = 0; - u32 inta_fh; - unsigned long flags; -@@ -6259,9 +6260,7 @@ il4965_setup_deferred_work(struct il_priv *il) - - setup_timer(&il->watchdog, il_bg_watchdog, (unsigned long)il); - -- tasklet_init(&il->irq_tasklet, -- (void (*)(unsigned long))il4965_irq_tasklet, -- (unsigned long)il); -+ tasklet_init(&il->irq_tasklet, il4965_irq_tasklet, (unsigned long)il); - } - - static void -diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/dvm/debugfs.c -index affe760..9f6cbdd 100644 ---- a/drivers/net/wireless/intel/iwlwifi/dvm/debugfs.c -+++ b/drivers/net/wireless/intel/iwlwifi/dvm/debugfs.c -@@ -190,7 +190,7 @@ static ssize_t iwl_dbgfs_sram_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[64]; -- int buf_size; -+ size_t buf_size; - u32 offset, len; - - memset(buf, 0, sizeof(buf)); -@@ -456,7 +456,7 @@ static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file, - struct iwl_priv *priv = file->private_data; - - char buf[8]; -- int buf_size; -+ size_t buf_size; - u32 reset_flag; - - memset(buf, 0, sizeof(buf)); -@@ -537,7 +537,7 @@ static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int ht40; - - memset(buf, 0, sizeof(buf)); -@@ -589,7 +589,7 @@ static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int value; - - memset(buf, 0, sizeof(buf)); -@@ -681,10 +681,10 @@ DEBUGFS_READ_FILE_OPS(temperature); - DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); - DEBUGFS_READ_FILE_OPS(current_sleep_command); - --static const char *fmt_value = " %-30s %10u\n"; --static const char *fmt_hex = " %-30s 0x%02X\n"; --static const char *fmt_table = " %-30s %10u %10u %10u %10u\n"; --static const char *fmt_header = -+static const char fmt_value[] = " %-30s %10u\n"; -+static const char fmt_hex[] = " %-30s 0x%02X\n"; -+static const char fmt_table[] = " %-30s %10u %10u %10u %10u\n"; -+static const char fmt_header[] = - "%-32s current cumulative delta max\n"; - - static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz) -@@ -1854,7 +1854,7 @@ static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int clear; - - memset(buf, 0, sizeof(buf)); -@@ -1899,7 +1899,7 @@ static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int trace; - - memset(buf, 0, sizeof(buf)); -@@ -1970,7 +1970,7 @@ static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int missed; - - memset(buf, 0, sizeof(buf)); -@@ -2011,7 +2011,7 @@ static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file, - - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int plcp; - - memset(buf, 0, sizeof(buf)); -@@ -2071,7 +2071,7 @@ static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file, - - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int flush; - - memset(buf, 0, sizeof(buf)); -@@ -2161,7 +2161,7 @@ static ssize_t iwl_dbgfs_protection_mode_write(struct file *file, - - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int rts; - - if (!priv->cfg->ht_params) -@@ -2202,7 +2202,7 @@ static ssize_t iwl_dbgfs_echo_test_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - - memset(buf, 0, sizeof(buf)); - buf_size = min(count, sizeof(buf) - 1); -@@ -2236,7 +2236,7 @@ static ssize_t iwl_dbgfs_log_event_write(struct file *file, - struct iwl_priv *priv = file->private_data; - u32 event_log_flag; - char buf[8]; -- int buf_size; -+ size_t buf_size; - - /* check that the interface is up */ - if (!iwl_is_ready(priv)) -@@ -2290,7 +2290,7 @@ static ssize_t iwl_dbgfs_calib_disabled_write(struct file *file, - struct iwl_priv *priv = file->private_data; - char buf[8]; - u32 calib_disabled; -- int buf_size; -+ size_t buf_size; - - memset(buf, 0, sizeof(buf)); - buf_size = min(count, sizeof(buf) - 1); -diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/lib.c b/drivers/net/wireless/intel/iwlwifi/dvm/lib.c -index 6c2d6da..4660f39 100644 ---- a/drivers/net/wireless/intel/iwlwifi/dvm/lib.c -+++ b/drivers/net/wireless/intel/iwlwifi/dvm/lib.c -@@ -933,7 +933,7 @@ static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw, - - rx_p1ks = data->tkip->rx_uni; - -- pn64 = atomic64_read(&key->tx_pn); -+ pn64 = atomic64_read_unchecked(&key->tx_pn); - tkip_tx_sc->iv16 = cpu_to_le16(TKIP_PN_TO_IV16(pn64)); - tkip_tx_sc->iv32 = cpu_to_le32(TKIP_PN_TO_IV32(pn64)); - -@@ -986,7 +986,7 @@ static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw, - aes_sc = data->rsc_tsc->all_tsc_rsc.aes.unicast_rsc; - aes_tx_sc = &data->rsc_tsc->all_tsc_rsc.aes.tsc; - -- pn64 = atomic64_read(&key->tx_pn); -+ pn64 = atomic64_read_unchecked(&key->tx_pn); - aes_tx_sc->pn = cpu_to_le64(pn64); - } else - aes_sc = data->rsc_tsc->all_tsc_rsc.aes.multicast_rsc; -diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c -index b88e204..9d505c7 100644 ---- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c -+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c -@@ -258,7 +258,7 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, - - rx_p1ks = data->tkip->rx_uni; - -- pn64 = atomic64_read(&key->tx_pn); -+ pn64 = atomic64_read_unchecked(&key->tx_pn); - tkip_tx_sc->iv16 = cpu_to_le16(TKIP_PN_TO_IV16(pn64)); - tkip_tx_sc->iv32 = cpu_to_le32(TKIP_PN_TO_IV32(pn64)); - -@@ -313,7 +313,7 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, - aes_sc = data->rsc_tsc->all_tsc_rsc.aes.unicast_rsc; - aes_tx_sc = &data->rsc_tsc->all_tsc_rsc.aes.tsc; - -- pn64 = atomic64_read(&key->tx_pn); -+ pn64 = atomic64_read_unchecked(&key->tx_pn); - aes_tx_sc->pn = cpu_to_le64(pn64); - } else { - aes_sc = data->rsc_tsc->all_tsc_rsc.aes.multicast_rsc; -@@ -1622,12 +1622,12 @@ static void iwl_mvm_d3_update_keys(struct ieee80211_hw *hw, - case WLAN_CIPHER_SUITE_CCMP: - iwl_mvm_set_aes_rx_seq(data->mvm, sc->aes.unicast_rsc, - sta, key); -- atomic64_set(&key->tx_pn, le64_to_cpu(sc->aes.tsc.pn)); -+ atomic64_set_unchecked(&key->tx_pn, le64_to_cpu(sc->aes.tsc.pn)); - break; - case WLAN_CIPHER_SUITE_TKIP: - iwl_mvm_tkip_sc_to_seq(&sc->tkip.tsc, &seq); - iwl_mvm_set_tkip_rx_seq(sc->tkip.unicast_rsc, key); -- atomic64_set(&key->tx_pn, -+ atomic64_set_unchecked(&key->tx_pn, - (u64)seq.tkip.iv16 | - ((u64)seq.tkip.iv32 << 16)); - break; -diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c -index 66957ac..23446ed 100644 ---- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c -+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c -@@ -385,7 +385,7 @@ static inline void iwl_mvm_set_tx_cmd_pn(struct ieee80211_tx_info *info, - struct ieee80211_key_conf *keyconf = info->control.hw_key; - u64 pn; - -- pn = atomic64_inc_return(&keyconf->tx_pn); -+ pn = atomic64_inc_return_unchecked(&keyconf->tx_pn); - crypto_hdr[0] = pn; - crypto_hdr[2] = 0; - crypto_hdr[3] = 0x20 | (keyconf->keyidx << 6); -@@ -418,7 +418,7 @@ static void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm, - - case WLAN_CIPHER_SUITE_TKIP: - tx_cmd->sec_ctl = TX_CMD_SEC_TKIP; -- pn = atomic64_inc_return(&keyconf->tx_pn); -+ pn = atomic64_inc_return_unchecked(&keyconf->tx_pn); - ieee80211_tkip_add_iv(crypto_hdr, keyconf, pn); - ieee80211_get_tkip_p2k(keyconf, skb_frag, tx_cmd->key); - break; -diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c -index ae95533..ace0cd3 100644 ---- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c -+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c -@@ -2420,7 +2420,7 @@ static ssize_t iwl_dbgfs_interrupt_write(struct file *file, - struct isr_statistics *isr_stats = &trans_pcie->isr_stats; - - char buf[8]; -- int buf_size; -+ size_t buf_size; - u32 reset_flag; - - memset(buf, 0, sizeof(buf)); -@@ -2441,7 +2441,7 @@ static ssize_t iwl_dbgfs_csr_write(struct file *file, - { - struct iwl_trans *trans = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int csr; - - memset(buf, 0, sizeof(buf)); -diff --git a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c -index a5656bc..7401f47 100644 ---- a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c -+++ b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c -@@ -101,8 +101,9 @@ static int prism2_get_datarates(struct net_device *dev, u8 *rates) - - static int prism2_get_name(struct net_device *dev, - struct iw_request_info *info, -- char *name, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ char *name = wrqu->name; - u8 rates[10]; - int len, i, over2 = 0; - -@@ -123,8 +124,9 @@ static int prism2_get_name(struct net_device *dev, - - static int prism2_ioctl_siwencode(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *erq, char *keybuf) -+ union iwreq_data *wrqu, char *keybuf) - { -+ struct iw_point *erq = &wrqu->encoding; - struct hostap_interface *iface; - local_info_t *local; - int i; -@@ -225,8 +227,9 @@ static int prism2_ioctl_siwencode(struct net_device *dev, - - static int prism2_ioctl_giwencode(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *erq, char *key) -+ union iwreq_data *wrqu, char *key) - { -+ struct iw_point *erq = &wrqu->encoding; - struct hostap_interface *iface; - local_info_t *local; - int i, len; -@@ -331,8 +334,9 @@ static int hostap_set_rate(struct net_device *dev) - - static int prism2_ioctl_siwrate(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *rrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *rrq = &wrqu->bitrate; - struct hostap_interface *iface; - local_info_t *local; - -@@ -391,8 +395,9 @@ static int prism2_ioctl_siwrate(struct net_device *dev, - - static int prism2_ioctl_giwrate(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *rrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *rrq = &wrqu->bitrate; - u16 val; - struct hostap_interface *iface; - local_info_t *local; -@@ -450,8 +455,9 @@ static int prism2_ioctl_giwrate(struct net_device *dev, - - static int prism2_ioctl_siwsens(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *sens, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *sens = &wrqu->sens; - struct hostap_interface *iface; - local_info_t *local; - -@@ -471,8 +477,9 @@ static int prism2_ioctl_siwsens(struct net_device *dev, - - static int prism2_ioctl_giwsens(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *sens, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *sens = &wrqu->sens; - struct hostap_interface *iface; - local_info_t *local; - __le16 val; -@@ -495,8 +502,9 @@ static int prism2_ioctl_giwsens(struct net_device *dev, - /* Deprecated in new wireless extension API */ - static int prism2_ioctl_giwaplist(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *data, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *data = &wrqu->data; - struct hostap_interface *iface; - local_info_t *local; - struct sockaddr *addr; -@@ -536,8 +544,9 @@ static int prism2_ioctl_giwaplist(struct net_device *dev, - - static int prism2_ioctl_siwrts(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *rts, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *rts = &wrqu->rts; - struct hostap_interface *iface; - local_info_t *local; - __le16 val; -@@ -563,8 +572,9 @@ static int prism2_ioctl_siwrts(struct net_device *dev, - - static int prism2_ioctl_giwrts(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *rts, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *rts = &wrqu->rts; - struct hostap_interface *iface; - local_info_t *local; - __le16 val; -@@ -586,8 +596,9 @@ static int prism2_ioctl_giwrts(struct net_device *dev, - - static int prism2_ioctl_siwfrag(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *rts, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *rts = &wrqu->rts; - struct hostap_interface *iface; - local_info_t *local; - __le16 val; -@@ -613,8 +624,9 @@ static int prism2_ioctl_siwfrag(struct net_device *dev, - - static int prism2_ioctl_giwfrag(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *rts, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *rts = &wrqu->rts; - struct hostap_interface *iface; - local_info_t *local; - __le16 val; -@@ -679,11 +691,12 @@ static int hostap_join_ap(struct net_device *dev) - - static int prism2_ioctl_siwap(struct net_device *dev, - struct iw_request_info *info, -- struct sockaddr *ap_addr, char *extra) -+ union iwreq_data *wrqu, char *extra) - { - #ifdef PRISM2_NO_STATION_MODES - return -EOPNOTSUPP; - #else /* PRISM2_NO_STATION_MODES */ -+ struct sockaddr *ap_addr = &wrqu->ap_addr; - struct hostap_interface *iface; - local_info_t *local; - -@@ -719,8 +732,9 @@ static int prism2_ioctl_siwap(struct net_device *dev, - - static int prism2_ioctl_giwap(struct net_device *dev, - struct iw_request_info *info, -- struct sockaddr *ap_addr, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct sockaddr *ap_addr = &wrqu->ap_addr; - struct hostap_interface *iface; - local_info_t *local; - -@@ -755,8 +769,9 @@ static int prism2_ioctl_giwap(struct net_device *dev, - - static int prism2_ioctl_siwnickn(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *data, char *nickname) -+ union iwreq_data *wrqu, char *nickname) - { -+ struct iw_point *data = &wrqu->data; - struct hostap_interface *iface; - local_info_t *local; - -@@ -776,8 +791,9 @@ static int prism2_ioctl_siwnickn(struct net_device *dev, - - static int prism2_ioctl_giwnickn(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *data, char *nickname) -+ union iwreq_data *wrqu, char *nickname) - { -+ struct iw_point *data = &wrqu->data; - struct hostap_interface *iface; - local_info_t *local; - int len; -@@ -803,8 +819,9 @@ static int prism2_ioctl_giwnickn(struct net_device *dev, - - static int prism2_ioctl_siwfreq(struct net_device *dev, - struct iw_request_info *info, -- struct iw_freq *freq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_freq *freq = &wrqu->freq; - struct hostap_interface *iface; - local_info_t *local; - -@@ -840,8 +857,9 @@ static int prism2_ioctl_siwfreq(struct net_device *dev, - - static int prism2_ioctl_giwfreq(struct net_device *dev, - struct iw_request_info *info, -- struct iw_freq *freq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_freq *freq = &wrqu->freq; - struct hostap_interface *iface; - local_info_t *local; - u16 val; -@@ -884,8 +902,9 @@ static void hostap_monitor_set_type(local_info_t *local) - - static int prism2_ioctl_siwessid(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *data, char *ssid) -+ union iwreq_data *wrqu, char *ssid) - { -+ struct iw_point *data = &wrqu->data; - struct hostap_interface *iface; - local_info_t *local; - -@@ -920,8 +939,9 @@ static int prism2_ioctl_siwessid(struct net_device *dev, - - static int prism2_ioctl_giwessid(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *data, char *essid) -+ union iwreq_data *wrqu, char *essid) - { -+ struct iw_point *data = &wrqu->data; - struct hostap_interface *iface; - local_info_t *local; - u16 val; -@@ -956,8 +976,9 @@ static int prism2_ioctl_giwessid(struct net_device *dev, - - static int prism2_ioctl_giwrange(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *data, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *data = &wrqu->data; - struct hostap_interface *iface; - local_info_t *local; - struct iw_range *range = (struct iw_range *) extra; -@@ -1131,8 +1152,9 @@ static int hostap_monitor_mode_disable(local_info_t *local) - - static int prism2_ioctl_siwmode(struct net_device *dev, - struct iw_request_info *info, -- __u32 *mode, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ __u32 *mode = &wrqu->mode; - struct hostap_interface *iface; - local_info_t *local; - int double_reset = 0; -@@ -1207,8 +1229,9 @@ static int prism2_ioctl_siwmode(struct net_device *dev, - - static int prism2_ioctl_giwmode(struct net_device *dev, - struct iw_request_info *info, -- __u32 *mode, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ __u32 *mode = &wrqu->mode; - struct hostap_interface *iface; - local_info_t *local; - -@@ -1232,11 +1255,12 @@ static int prism2_ioctl_giwmode(struct net_device *dev, - - static int prism2_ioctl_siwpower(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *wrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { - #ifdef PRISM2_NO_STATION_MODES - return -EOPNOTSUPP; - #else /* PRISM2_NO_STATION_MODES */ -+ struct iw_param *wrq = &wrqu->power; - int ret = 0; - - if (wrq->disabled) -@@ -1291,11 +1315,12 @@ static int prism2_ioctl_siwpower(struct net_device *dev, - - static int prism2_ioctl_giwpower(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *rrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { - #ifdef PRISM2_NO_STATION_MODES - return -EOPNOTSUPP; - #else /* PRISM2_NO_STATION_MODES */ -+ struct iw_param *rrq = &wrqu->power; - struct hostap_interface *iface; - local_info_t *local; - __le16 enable, mcast; -@@ -1349,8 +1374,9 @@ static int prism2_ioctl_giwpower(struct net_device *dev, - - static int prism2_ioctl_siwretry(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *rrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *rrq = &wrqu->bitrate; - struct hostap_interface *iface; - local_info_t *local; - -@@ -1410,8 +1436,9 @@ static int prism2_ioctl_siwretry(struct net_device *dev, - - static int prism2_ioctl_giwretry(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *rrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *rrq = &wrqu->bitrate; - struct hostap_interface *iface; - local_info_t *local; - __le16 shortretry, longretry, lifetime, altretry; -@@ -1504,8 +1531,9 @@ static u16 prism2_txpower_dBm_to_hfa386x(int val) - - static int prism2_ioctl_siwtxpow(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *rrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *rrq = &wrqu->bitrate; - struct hostap_interface *iface; - local_info_t *local; - #ifdef RAW_TXPOWER_SETTING -@@ -1585,9 +1613,10 @@ static int prism2_ioctl_siwtxpow(struct net_device *dev, - - static int prism2_ioctl_giwtxpow(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *rrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { - #ifdef RAW_TXPOWER_SETTING -+ struct iw_param *rrq = &wrqu->bitrate; - struct hostap_interface *iface; - local_info_t *local; - u16 resp0; -@@ -1720,8 +1749,9 @@ static inline int prism2_request_scan(struct net_device *dev) - - static int prism2_ioctl_siwscan(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *data, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *data = &wrqu->data; - struct hostap_interface *iface; - local_info_t *local; - int ret; -@@ -2068,8 +2098,9 @@ static inline int prism2_ioctl_giwscan_sta(struct net_device *dev, - - static int prism2_ioctl_giwscan(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *data, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *data = &wrqu->data; - struct hostap_interface *iface; - local_info_t *local; - int res; -@@ -2314,7 +2345,7 @@ static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i) - - static int prism2_ioctl_priv_prism2_param(struct net_device *dev, - struct iw_request_info *info, -- void *wrqu, char *extra) -+ union iwreq_data *wrqu, char *extra) - { - struct hostap_interface *iface; - local_info_t *local; -@@ -2665,7 +2696,7 @@ static int prism2_ioctl_priv_prism2_param(struct net_device *dev, - - static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev, - struct iw_request_info *info, -- void *wrqu, char *extra) -+ union iwreq_data *wrqu, char *extra) - { - struct hostap_interface *iface; - local_info_t *local; -@@ -2852,7 +2883,7 @@ static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev, - - static int prism2_ioctl_priv_readmif(struct net_device *dev, - struct iw_request_info *info, -- void *wrqu, char *extra) -+ union iwreq_data *wrqu, char *extra) - { - struct hostap_interface *iface; - local_info_t *local; -@@ -2873,7 +2904,7 @@ static int prism2_ioctl_priv_readmif(struct net_device *dev, - - static int prism2_ioctl_priv_writemif(struct net_device *dev, - struct iw_request_info *info, -- void *wrqu, char *extra) -+ union iwreq_data *wrqu, char *extra) - { - struct hostap_interface *iface; - local_info_t *local; -@@ -2911,7 +2942,7 @@ static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i) - /* Disable monitor mode - old mode was not saved, so go to - * Master mode */ - mode = IW_MODE_MASTER; -- ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL); -+ ret = prism2_ioctl_siwmode(dev, NULL, (union iwreq_data *)&mode, NULL); - } else if (*i == 1) { - /* netlink socket mode is not supported anymore since it did - * not separate different devices from each other and was not -@@ -2928,7 +2959,7 @@ static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i) - break; - } - mode = IW_MODE_MONITOR; -- ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL); -+ ret = prism2_ioctl_siwmode(dev, NULL, (union iwreq_data *)&mode, NULL); - hostap_monitor_mode_enable(local); - } else - ret = -EINVAL; -@@ -3090,8 +3121,9 @@ static int prism2_set_genericelement(struct net_device *dev, u8 *elem, - - static int prism2_ioctl_siwauth(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *data, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *data = &wrqu->param; - struct hostap_interface *iface = netdev_priv(dev); - local_info_t *local = iface->local; - -@@ -3156,8 +3188,9 @@ static int prism2_ioctl_siwauth(struct net_device *dev, - - static int prism2_ioctl_giwauth(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *data, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *data = &wrqu->param; - struct hostap_interface *iface = netdev_priv(dev); - local_info_t *local = iface->local; - -@@ -3195,8 +3228,9 @@ static int prism2_ioctl_giwauth(struct net_device *dev, - - static int prism2_ioctl_siwencodeext(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *erq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *erq = &wrqu->encoding; - struct hostap_interface *iface = netdev_priv(dev); - local_info_t *local = iface->local; - struct iw_encode_ext *ext = (struct iw_encode_ext *) extra; -@@ -3369,8 +3403,9 @@ static int prism2_ioctl_siwencodeext(struct net_device *dev, - - static int prism2_ioctl_giwencodeext(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *erq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *erq = &wrqu->encoding; - struct hostap_interface *iface = netdev_priv(dev); - local_info_t *local = iface->local; - struct lib80211_crypt_data **crypt; -@@ -3677,16 +3712,19 @@ static int prism2_ioctl_set_assoc_ap_addr(local_info_t *local, - - static int prism2_ioctl_siwgenie(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *data, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *data = &wrqu->data; -+ - return prism2_set_genericelement(dev, extra, data->length); - } - - - static int prism2_ioctl_giwgenie(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *data, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *data = &wrqu->data; - struct hostap_interface *iface = netdev_priv(dev); - local_info_t *local = iface->local; - int len = local->generic_elem_len - 2; -@@ -3724,7 +3762,7 @@ static int prism2_ioctl_set_generic_element(local_info_t *local, - - static int prism2_ioctl_siwmlme(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *data, char *extra) -+ union iwreq_data *data, char *extra) - { - struct hostap_interface *iface = netdev_priv(dev); - local_info_t *local = iface->local; -@@ -3875,70 +3913,70 @@ const struct ethtool_ops prism2_ethtool_ops = { - - static const iw_handler prism2_handler[] = - { -- (iw_handler) NULL, /* SIOCSIWCOMMIT */ -- (iw_handler) prism2_get_name, /* SIOCGIWNAME */ -- (iw_handler) NULL, /* SIOCSIWNWID */ -- (iw_handler) NULL, /* SIOCGIWNWID */ -- (iw_handler) prism2_ioctl_siwfreq, /* SIOCSIWFREQ */ -- (iw_handler) prism2_ioctl_giwfreq, /* SIOCGIWFREQ */ -- (iw_handler) prism2_ioctl_siwmode, /* SIOCSIWMODE */ -- (iw_handler) prism2_ioctl_giwmode, /* SIOCGIWMODE */ -- (iw_handler) prism2_ioctl_siwsens, /* SIOCSIWSENS */ -- (iw_handler) prism2_ioctl_giwsens, /* SIOCGIWSENS */ -- (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */ -- (iw_handler) prism2_ioctl_giwrange, /* SIOCGIWRANGE */ -- (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */ -- (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */ -- (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */ -- (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */ -- iw_handler_set_spy, /* SIOCSIWSPY */ -- iw_handler_get_spy, /* SIOCGIWSPY */ -- iw_handler_set_thrspy, /* SIOCSIWTHRSPY */ -- iw_handler_get_thrspy, /* SIOCGIWTHRSPY */ -- (iw_handler) prism2_ioctl_siwap, /* SIOCSIWAP */ -- (iw_handler) prism2_ioctl_giwap, /* SIOCGIWAP */ -- (iw_handler) prism2_ioctl_siwmlme, /* SIOCSIWMLME */ -- (iw_handler) prism2_ioctl_giwaplist, /* SIOCGIWAPLIST */ -- (iw_handler) prism2_ioctl_siwscan, /* SIOCSIWSCAN */ -- (iw_handler) prism2_ioctl_giwscan, /* SIOCGIWSCAN */ -- (iw_handler) prism2_ioctl_siwessid, /* SIOCSIWESSID */ -- (iw_handler) prism2_ioctl_giwessid, /* SIOCGIWESSID */ -- (iw_handler) prism2_ioctl_siwnickn, /* SIOCSIWNICKN */ -- (iw_handler) prism2_ioctl_giwnickn, /* SIOCGIWNICKN */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) prism2_ioctl_siwrate, /* SIOCSIWRATE */ -- (iw_handler) prism2_ioctl_giwrate, /* SIOCGIWRATE */ -- (iw_handler) prism2_ioctl_siwrts, /* SIOCSIWRTS */ -- (iw_handler) prism2_ioctl_giwrts, /* SIOCGIWRTS */ -- (iw_handler) prism2_ioctl_siwfrag, /* SIOCSIWFRAG */ -- (iw_handler) prism2_ioctl_giwfrag, /* SIOCGIWFRAG */ -- (iw_handler) prism2_ioctl_siwtxpow, /* SIOCSIWTXPOW */ -- (iw_handler) prism2_ioctl_giwtxpow, /* SIOCGIWTXPOW */ -- (iw_handler) prism2_ioctl_siwretry, /* SIOCSIWRETRY */ -- (iw_handler) prism2_ioctl_giwretry, /* SIOCGIWRETRY */ -- (iw_handler) prism2_ioctl_siwencode, /* SIOCSIWENCODE */ -- (iw_handler) prism2_ioctl_giwencode, /* SIOCGIWENCODE */ -- (iw_handler) prism2_ioctl_siwpower, /* SIOCSIWPOWER */ -- (iw_handler) prism2_ioctl_giwpower, /* SIOCGIWPOWER */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) prism2_ioctl_siwgenie, /* SIOCSIWGENIE */ -- (iw_handler) prism2_ioctl_giwgenie, /* SIOCGIWGENIE */ -- (iw_handler) prism2_ioctl_siwauth, /* SIOCSIWAUTH */ -- (iw_handler) prism2_ioctl_giwauth, /* SIOCGIWAUTH */ -- (iw_handler) prism2_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */ -- (iw_handler) prism2_ioctl_giwencodeext, /* SIOCGIWENCODEEXT */ -- (iw_handler) NULL, /* SIOCSIWPMKSA */ -- (iw_handler) NULL, /* -- hole -- */ -+ NULL, /* SIOCSIWCOMMIT */ -+ prism2_get_name, /* SIOCGIWNAME */ -+ NULL, /* SIOCSIWNWID */ -+ NULL, /* SIOCGIWNWID */ -+ prism2_ioctl_siwfreq, /* SIOCSIWFREQ */ -+ prism2_ioctl_giwfreq, /* SIOCGIWFREQ */ -+ prism2_ioctl_siwmode, /* SIOCSIWMODE */ -+ prism2_ioctl_giwmode, /* SIOCGIWMODE */ -+ prism2_ioctl_siwsens, /* SIOCSIWSENS */ -+ prism2_ioctl_giwsens, /* SIOCGIWSENS */ -+ NULL /* not used */, /* SIOCSIWRANGE */ -+ prism2_ioctl_giwrange, /* SIOCGIWRANGE */ -+ NULL /* not used */, /* SIOCSIWPRIV */ -+ NULL /* kernel code */, /* SIOCGIWPRIV */ -+ NULL /* not used */, /* SIOCSIWSTATS */ -+ NULL /* kernel code */, /* SIOCGIWSTATS */ -+ iw_handler_set_spy, /* SIOCSIWSPY */ -+ iw_handler_get_spy, /* SIOCGIWSPY */ -+ iw_handler_set_thrspy, /* SIOCSIWTHRSPY */ -+ iw_handler_get_thrspy, /* SIOCGIWTHRSPY */ -+ prism2_ioctl_siwap, /* SIOCSIWAP */ -+ prism2_ioctl_giwap, /* SIOCGIWAP */ -+ prism2_ioctl_siwmlme, /* SIOCSIWMLME */ -+ prism2_ioctl_giwaplist, /* SIOCGIWAPLIST */ -+ prism2_ioctl_siwscan, /* SIOCSIWSCAN */ -+ prism2_ioctl_giwscan, /* SIOCGIWSCAN */ -+ prism2_ioctl_siwessid, /* SIOCSIWESSID */ -+ prism2_ioctl_giwessid, /* SIOCGIWESSID */ -+ prism2_ioctl_siwnickn, /* SIOCSIWNICKN */ -+ prism2_ioctl_giwnickn, /* SIOCGIWNICKN */ -+ NULL, /* -- hole -- */ -+ NULL, /* -- hole -- */ -+ prism2_ioctl_siwrate, /* SIOCSIWRATE */ -+ prism2_ioctl_giwrate, /* SIOCGIWRATE */ -+ prism2_ioctl_siwrts, /* SIOCSIWRTS */ -+ prism2_ioctl_giwrts, /* SIOCGIWRTS */ -+ prism2_ioctl_siwfrag, /* SIOCSIWFRAG */ -+ prism2_ioctl_giwfrag, /* SIOCGIWFRAG */ -+ prism2_ioctl_siwtxpow, /* SIOCSIWTXPOW */ -+ prism2_ioctl_giwtxpow, /* SIOCGIWTXPOW */ -+ prism2_ioctl_siwretry, /* SIOCSIWRETRY */ -+ prism2_ioctl_giwretry, /* SIOCGIWRETRY */ -+ prism2_ioctl_siwencode, /* SIOCSIWENCODE */ -+ prism2_ioctl_giwencode, /* SIOCGIWENCODE */ -+ prism2_ioctl_siwpower, /* SIOCSIWPOWER */ -+ prism2_ioctl_giwpower, /* SIOCGIWPOWER */ -+ NULL, /* -- hole -- */ -+ NULL, /* -- hole -- */ -+ prism2_ioctl_siwgenie, /* SIOCSIWGENIE */ -+ prism2_ioctl_giwgenie, /* SIOCGIWGENIE */ -+ prism2_ioctl_siwauth, /* SIOCSIWAUTH */ -+ prism2_ioctl_giwauth, /* SIOCGIWAUTH */ -+ prism2_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */ -+ prism2_ioctl_giwencodeext, /* SIOCGIWENCODEEXT */ -+ NULL, /* SIOCSIWPMKSA */ -+ NULL, /* -- hole -- */ - }; - - static const iw_handler prism2_private_handler[] = - { /* SIOCIWFIRSTPRIV + */ -- (iw_handler) prism2_ioctl_priv_prism2_param, /* 0 */ -- (iw_handler) prism2_ioctl_priv_get_prism2_param, /* 1 */ -- (iw_handler) prism2_ioctl_priv_writemif, /* 2 */ -- (iw_handler) prism2_ioctl_priv_readmif, /* 3 */ -+ prism2_ioctl_priv_prism2_param, /* 0 */ -+ prism2_ioctl_priv_get_prism2_param, /* 1 */ -+ prism2_ioctl_priv_writemif, /* 2 */ -+ prism2_ioctl_priv_readmif, /* 3 */ - }; - - const struct iw_handler_def hostap_iw_handler_def = -@@ -3946,8 +3984,8 @@ const struct iw_handler_def hostap_iw_handler_def = - .num_standard = ARRAY_SIZE(prism2_handler), - .num_private = ARRAY_SIZE(prism2_private_handler), - .num_private_args = ARRAY_SIZE(prism2_priv), -- .standard = (iw_handler *) prism2_handler, -- .private = (iw_handler *) prism2_private_handler, -+ .standard = prism2_handler, -+ .private = prism2_private_handler, - .private_args = (struct iw_priv_args *) prism2_priv, - .get_wireless_stats = hostap_get_wireless_stats, - }; -diff --git a/drivers/net/wireless/intersil/orinoco/wext.c b/drivers/net/wireless/intersil/orinoco/wext.c -index 1d4dae4..0508fc1 100644 ---- a/drivers/net/wireless/intersil/orinoco/wext.c -+++ b/drivers/net/wireless/intersil/orinoco/wext.c -@@ -154,9 +154,10 @@ static struct iw_statistics *orinoco_get_wireless_stats(struct net_device *dev) - - static int orinoco_ioctl_setwap(struct net_device *dev, - struct iw_request_info *info, -- struct sockaddr *ap_addr, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct sockaddr *ap_addr = &wrqu->ap_addr; - struct orinoco_private *priv = ndev_priv(dev); - int err = -EINPROGRESS; /* Call commit handler */ - unsigned long flags; -@@ -213,9 +214,10 @@ static int orinoco_ioctl_setwap(struct net_device *dev, - - static int orinoco_ioctl_getwap(struct net_device *dev, - struct iw_request_info *info, -- struct sockaddr *ap_addr, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct sockaddr *ap_addr = &wrqu->ap_addr; - struct orinoco_private *priv = ndev_priv(dev); - - int err = 0; -@@ -234,9 +236,10 @@ static int orinoco_ioctl_getwap(struct net_device *dev, - - static int orinoco_ioctl_setiwencode(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *erq, -+ union iwreq_data *wrqu, - char *keybuf) - { -+ struct iw_point *erq = &wrqu->encoding; - struct orinoco_private *priv = ndev_priv(dev); - int index = (erq->flags & IW_ENCODE_INDEX) - 1; - int setindex = priv->tx_key; -@@ -325,9 +328,10 @@ static int orinoco_ioctl_setiwencode(struct net_device *dev, - - static int orinoco_ioctl_getiwencode(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *erq, -+ union iwreq_data *wrqu, - char *keybuf) - { -+ struct iw_point *erq = &wrqu->encoding; - struct orinoco_private *priv = ndev_priv(dev); - int index = (erq->flags & IW_ENCODE_INDEX) - 1; - unsigned long flags; -@@ -361,9 +365,10 @@ static int orinoco_ioctl_getiwencode(struct net_device *dev, - - static int orinoco_ioctl_setessid(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *erq, -+ union iwreq_data *wrqu, - char *essidbuf) - { -+ struct iw_point *erq = &wrqu->essid; - struct orinoco_private *priv = ndev_priv(dev); - unsigned long flags; - -@@ -392,9 +397,10 @@ static int orinoco_ioctl_setessid(struct net_device *dev, - - static int orinoco_ioctl_getessid(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *erq, -+ union iwreq_data *wrqu, - char *essidbuf) - { -+ struct iw_point *erq = &wrqu->essid; - struct orinoco_private *priv = ndev_priv(dev); - int active; - int err = 0; -@@ -420,9 +426,10 @@ static int orinoco_ioctl_getessid(struct net_device *dev, - - static int orinoco_ioctl_setfreq(struct net_device *dev, - struct iw_request_info *info, -- struct iw_freq *frq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_freq *frq = &wrqu->freq; - struct orinoco_private *priv = ndev_priv(dev); - int chan = -1; - unsigned long flags; -@@ -469,9 +476,10 @@ static int orinoco_ioctl_setfreq(struct net_device *dev, - - static int orinoco_ioctl_getfreq(struct net_device *dev, - struct iw_request_info *info, -- struct iw_freq *frq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_freq *frq = &wrqu->freq; - struct orinoco_private *priv = ndev_priv(dev); - int tmp; - -@@ -488,9 +496,10 @@ static int orinoco_ioctl_getfreq(struct net_device *dev, - - static int orinoco_ioctl_getsens(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *srq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *srq = &wrqu->sens; - struct orinoco_private *priv = ndev_priv(dev); - struct hermes *hw = &priv->hw; - u16 val; -@@ -517,9 +526,10 @@ static int orinoco_ioctl_getsens(struct net_device *dev, - - static int orinoco_ioctl_setsens(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *srq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *srq = &wrqu->sens; - struct orinoco_private *priv = ndev_priv(dev); - int val = srq->value; - unsigned long flags; -@@ -540,9 +550,10 @@ static int orinoco_ioctl_setsens(struct net_device *dev, - - static int orinoco_ioctl_setrate(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *rrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *rrq = &wrqu->bitrate; - struct orinoco_private *priv = ndev_priv(dev); - int ratemode; - int bitrate; /* 100s of kilobits */ -@@ -574,9 +585,10 @@ static int orinoco_ioctl_setrate(struct net_device *dev, - - static int orinoco_ioctl_getrate(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *rrq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *rrq = &wrqu->bitrate; - struct orinoco_private *priv = ndev_priv(dev); - int err = 0; - int bitrate, automatic; -@@ -610,9 +622,10 @@ static int orinoco_ioctl_getrate(struct net_device *dev, - - static int orinoco_ioctl_setpower(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *prq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *prq = &wrqu->power; - struct orinoco_private *priv = ndev_priv(dev); - int err = -EINPROGRESS; /* Call commit handler */ - unsigned long flags; -@@ -664,9 +677,10 @@ static int orinoco_ioctl_setpower(struct net_device *dev, - - static int orinoco_ioctl_getpower(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *prq, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_param *prq = &wrqu->power; - struct orinoco_private *priv = ndev_priv(dev); - struct hermes *hw = &priv->hw; - int err = 0; -@@ -1097,7 +1111,7 @@ static int orinoco_ioctl_set_mlme(struct net_device *dev, - - static int orinoco_ioctl_reset(struct net_device *dev, - struct iw_request_info *info, -- void *wrqu, -+ union iwreq_data *wrqu, - char *extra) - { - struct orinoco_private *priv = ndev_priv(dev); -@@ -1121,7 +1135,7 @@ static int orinoco_ioctl_reset(struct net_device *dev, - - static int orinoco_ioctl_setibssport(struct net_device *dev, - struct iw_request_info *info, -- void *wrqu, -+ union iwreq_data *wrqu, - char *extra) - - { -@@ -1143,7 +1157,7 @@ static int orinoco_ioctl_setibssport(struct net_device *dev, - - static int orinoco_ioctl_getibssport(struct net_device *dev, - struct iw_request_info *info, -- void *wrqu, -+ union iwreq_data *wrqu, - char *extra) - { - struct orinoco_private *priv = ndev_priv(dev); -@@ -1155,7 +1169,7 @@ static int orinoco_ioctl_getibssport(struct net_device *dev, - - static int orinoco_ioctl_setport3(struct net_device *dev, - struct iw_request_info *info, -- void *wrqu, -+ union iwreq_data *wrqu, - char *extra) - { - struct orinoco_private *priv = ndev_priv(dev); -@@ -1201,7 +1215,7 @@ static int orinoco_ioctl_setport3(struct net_device *dev, - - static int orinoco_ioctl_getport3(struct net_device *dev, - struct iw_request_info *info, -- void *wrqu, -+ union iwreq_data *wrqu, - char *extra) - { - struct orinoco_private *priv = ndev_priv(dev); -@@ -1213,7 +1227,7 @@ static int orinoco_ioctl_getport3(struct net_device *dev, - - static int orinoco_ioctl_setpreamble(struct net_device *dev, - struct iw_request_info *info, -- void *wrqu, -+ union iwreq_data *wrqu, - char *extra) - { - struct orinoco_private *priv = ndev_priv(dev); -@@ -1245,7 +1259,7 @@ static int orinoco_ioctl_setpreamble(struct net_device *dev, - - static int orinoco_ioctl_getpreamble(struct net_device *dev, - struct iw_request_info *info, -- void *wrqu, -+ union iwreq_data *wrqu, - char *extra) - { - struct orinoco_private *priv = ndev_priv(dev); -@@ -1265,9 +1279,10 @@ static int orinoco_ioctl_getpreamble(struct net_device *dev, - * For Wireless Tools 25 and 26 append "dummy" are the end. */ - static int orinoco_ioctl_getrid(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *data, -+ union iwreq_data *wrqu, - char *extra) - { -+ struct iw_point *data = &wrqu->data; - struct orinoco_private *priv = ndev_priv(dev); - struct hermes *hw = &priv->hw; - int rid = data->flags; -@@ -1303,7 +1318,7 @@ static int orinoco_ioctl_getrid(struct net_device *dev, - /* Commit handler, called after set operations */ - static int orinoco_ioctl_commit(struct net_device *dev, - struct iw_request_info *info, -- void *wrqu, -+ union iwreq_data *wrqu, - char *extra) - { - struct orinoco_private *priv = ndev_priv(dev); -@@ -1347,36 +1362,36 @@ static const struct iw_priv_args orinoco_privtab[] = { - */ - - static const iw_handler orinoco_handler[] = { -- IW_HANDLER(SIOCSIWCOMMIT, (iw_handler)orinoco_ioctl_commit), -- IW_HANDLER(SIOCGIWNAME, (iw_handler)cfg80211_wext_giwname), -- IW_HANDLER(SIOCSIWFREQ, (iw_handler)orinoco_ioctl_setfreq), -- IW_HANDLER(SIOCGIWFREQ, (iw_handler)orinoco_ioctl_getfreq), -- IW_HANDLER(SIOCSIWMODE, (iw_handler)cfg80211_wext_siwmode), -- IW_HANDLER(SIOCGIWMODE, (iw_handler)cfg80211_wext_giwmode), -- IW_HANDLER(SIOCSIWSENS, (iw_handler)orinoco_ioctl_setsens), -- IW_HANDLER(SIOCGIWSENS, (iw_handler)orinoco_ioctl_getsens), -- IW_HANDLER(SIOCGIWRANGE, (iw_handler)cfg80211_wext_giwrange), -+ IW_HANDLER(SIOCSIWCOMMIT, orinoco_ioctl_commit), -+ IW_HANDLER(SIOCGIWNAME, cfg80211_wext_giwname), -+ IW_HANDLER(SIOCSIWFREQ, orinoco_ioctl_setfreq), -+ IW_HANDLER(SIOCGIWFREQ, orinoco_ioctl_getfreq), -+ IW_HANDLER(SIOCSIWMODE, cfg80211_wext_siwmode), -+ IW_HANDLER(SIOCGIWMODE, cfg80211_wext_giwmode), -+ IW_HANDLER(SIOCSIWSENS, orinoco_ioctl_setsens), -+ IW_HANDLER(SIOCGIWSENS, orinoco_ioctl_getsens), -+ IW_HANDLER(SIOCGIWRANGE, cfg80211_wext_giwrange), - IW_HANDLER(SIOCSIWSPY, iw_handler_set_spy), - IW_HANDLER(SIOCGIWSPY, iw_handler_get_spy), - IW_HANDLER(SIOCSIWTHRSPY, iw_handler_set_thrspy), - IW_HANDLER(SIOCGIWTHRSPY, iw_handler_get_thrspy), -- IW_HANDLER(SIOCSIWAP, (iw_handler)orinoco_ioctl_setwap), -- IW_HANDLER(SIOCGIWAP, (iw_handler)orinoco_ioctl_getwap), -- IW_HANDLER(SIOCSIWSCAN, (iw_handler)cfg80211_wext_siwscan), -- IW_HANDLER(SIOCGIWSCAN, (iw_handler)cfg80211_wext_giwscan), -- IW_HANDLER(SIOCSIWESSID, (iw_handler)orinoco_ioctl_setessid), -- IW_HANDLER(SIOCGIWESSID, (iw_handler)orinoco_ioctl_getessid), -- IW_HANDLER(SIOCSIWRATE, (iw_handler)orinoco_ioctl_setrate), -- IW_HANDLER(SIOCGIWRATE, (iw_handler)orinoco_ioctl_getrate), -- IW_HANDLER(SIOCSIWRTS, (iw_handler)cfg80211_wext_siwrts), -- IW_HANDLER(SIOCGIWRTS, (iw_handler)cfg80211_wext_giwrts), -- IW_HANDLER(SIOCSIWFRAG, (iw_handler)cfg80211_wext_siwfrag), -- IW_HANDLER(SIOCGIWFRAG, (iw_handler)cfg80211_wext_giwfrag), -- IW_HANDLER(SIOCGIWRETRY, (iw_handler)cfg80211_wext_giwretry), -- IW_HANDLER(SIOCSIWENCODE, (iw_handler)orinoco_ioctl_setiwencode), -- IW_HANDLER(SIOCGIWENCODE, (iw_handler)orinoco_ioctl_getiwencode), -- IW_HANDLER(SIOCSIWPOWER, (iw_handler)orinoco_ioctl_setpower), -- IW_HANDLER(SIOCGIWPOWER, (iw_handler)orinoco_ioctl_getpower), -+ IW_HANDLER(SIOCSIWAP, orinoco_ioctl_setwap), -+ IW_HANDLER(SIOCGIWAP, orinoco_ioctl_getwap), -+ IW_HANDLER(SIOCSIWSCAN, cfg80211_wext_siwscan), -+ IW_HANDLER(SIOCGIWSCAN, cfg80211_wext_giwscan), -+ IW_HANDLER(SIOCSIWESSID, orinoco_ioctl_setessid), -+ IW_HANDLER(SIOCGIWESSID, orinoco_ioctl_getessid), -+ IW_HANDLER(SIOCSIWRATE, orinoco_ioctl_setrate), -+ IW_HANDLER(SIOCGIWRATE, orinoco_ioctl_getrate), -+ IW_HANDLER(SIOCSIWRTS, cfg80211_wext_siwrts), -+ IW_HANDLER(SIOCGIWRTS, cfg80211_wext_giwrts), -+ IW_HANDLER(SIOCSIWFRAG, cfg80211_wext_siwfrag), -+ IW_HANDLER(SIOCGIWFRAG, cfg80211_wext_giwfrag), -+ IW_HANDLER(SIOCGIWRETRY, cfg80211_wext_giwretry), -+ IW_HANDLER(SIOCSIWENCODE, orinoco_ioctl_setiwencode), -+ IW_HANDLER(SIOCGIWENCODE, orinoco_ioctl_getiwencode), -+ IW_HANDLER(SIOCSIWPOWER, orinoco_ioctl_setpower), -+ IW_HANDLER(SIOCGIWPOWER, orinoco_ioctl_getpower), - IW_HANDLER(SIOCSIWGENIE, orinoco_ioctl_set_genie), - IW_HANDLER(SIOCGIWGENIE, orinoco_ioctl_get_genie), - IW_HANDLER(SIOCSIWMLME, orinoco_ioctl_set_mlme), -@@ -1391,15 +1406,15 @@ static const iw_handler orinoco_handler[] = { - Added typecasting since we no longer use iwreq_data -- Moustafa - */ - static const iw_handler orinoco_private_handler[] = { -- [0] = (iw_handler)orinoco_ioctl_reset, -- [1] = (iw_handler)orinoco_ioctl_reset, -- [2] = (iw_handler)orinoco_ioctl_setport3, -- [3] = (iw_handler)orinoco_ioctl_getport3, -- [4] = (iw_handler)orinoco_ioctl_setpreamble, -- [5] = (iw_handler)orinoco_ioctl_getpreamble, -- [6] = (iw_handler)orinoco_ioctl_setibssport, -- [7] = (iw_handler)orinoco_ioctl_getibssport, -- [9] = (iw_handler)orinoco_ioctl_getrid, -+ [0] = orinoco_ioctl_reset, -+ [1] = orinoco_ioctl_reset, -+ [2] = orinoco_ioctl_setport3, -+ [3] = orinoco_ioctl_getport3, -+ [4] = orinoco_ioctl_setpreamble, -+ [5] = orinoco_ioctl_getpreamble, -+ [6] = orinoco_ioctl_setibssport, -+ [7] = orinoco_ioctl_getibssport, -+ [9] = orinoco_ioctl_getrid, - }; - - const struct iw_handler_def orinoco_handler_def = { -diff --git a/drivers/net/wireless/intersil/prism54/isl_ioctl.c b/drivers/net/wireless/intersil/prism54/isl_ioctl.c -index 48e8a97..3499ec8 100644 ---- a/drivers/net/wireless/intersil/prism54/isl_ioctl.c -+++ b/drivers/net/wireless/intersil/prism54/isl_ioctl.c -@@ -45,7 +45,7 @@ static void prism54_wpa_bss_ie_add(islpci_private *priv, u8 *bssid, - u8 *wpa_ie, size_t wpa_ie_len); - static size_t prism54_wpa_bss_ie_get(islpci_private *priv, u8 *bssid, u8 *wpa_ie); - static int prism54_set_wpa(struct net_device *, struct iw_request_info *, -- __u32 *, char *); -+ union iwreq_data *, char *); - - /* In 500 kbps */ - static const unsigned char scan_rate_list[] = { 2, 4, 11, 22, -@@ -240,7 +240,7 @@ prism54_get_wireless_stats(struct net_device *ndev) - - static int - prism54_commit(struct net_device *ndev, struct iw_request_info *info, -- char *cwrq, char *extra) -+ union iwreq_data *cwrq, char *extra) - { - islpci_private *priv = netdev_priv(ndev); - -@@ -256,8 +256,9 @@ prism54_commit(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_get_name(struct net_device *ndev, struct iw_request_info *info, -- char *cwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ char *cwrq = wrqu->name; - islpci_private *priv = netdev_priv(ndev); - char *capabilities; - union oid_res_t r; -@@ -287,8 +288,9 @@ prism54_get_name(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_set_freq(struct net_device *ndev, struct iw_request_info *info, -- struct iw_freq *fwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_freq *fwrq = &wrqu->freq; - islpci_private *priv = netdev_priv(ndev); - int rvalue; - u32 c; -@@ -307,8 +309,9 @@ prism54_set_freq(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_get_freq(struct net_device *ndev, struct iw_request_info *info, -- struct iw_freq *fwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_freq *fwrq = &wrqu->freq; - islpci_private *priv = netdev_priv(ndev); - union oid_res_t r; - int rvalue; -@@ -324,8 +327,9 @@ prism54_get_freq(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_set_mode(struct net_device *ndev, struct iw_request_info *info, -- __u32 * uwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ __u32 *uwrq = &wrqu->mode; - islpci_private *priv = netdev_priv(ndev); - u32 mlmeautolevel = CARD_DEFAULT_MLME_MODE; - -@@ -368,8 +372,9 @@ prism54_set_mode(struct net_device *ndev, struct iw_request_info *info, - /* Use mib cache */ - static int - prism54_get_mode(struct net_device *ndev, struct iw_request_info *info, -- __u32 * uwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ __u32 *uwrq = &wrqu->mode; - islpci_private *priv = netdev_priv(ndev); - - BUG_ON((priv->iw_mode < IW_MODE_AUTO) || (priv->iw_mode > -@@ -386,8 +391,9 @@ prism54_get_mode(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_set_sens(struct net_device *ndev, struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *vwrq = &wrqu->sens; - islpci_private *priv = netdev_priv(ndev); - u32 sens; - -@@ -399,8 +405,9 @@ prism54_set_sens(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_get_sens(struct net_device *ndev, struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *vwrq = &wrqu->sens; - islpci_private *priv = netdev_priv(ndev); - union oid_res_t r; - int rvalue; -@@ -416,8 +423,9 @@ prism54_get_sens(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_get_range(struct net_device *ndev, struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *dwrq = &wrqu->data; - struct iw_range *range = (struct iw_range *) extra; - islpci_private *priv = netdev_priv(ndev); - u8 *data; -@@ -521,8 +529,9 @@ prism54_get_range(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_set_wap(struct net_device *ndev, struct iw_request_info *info, -- struct sockaddr *awrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct sockaddr *awrq = &wrqu->ap_addr; - islpci_private *priv = netdev_priv(ndev); - char bssid[6]; - int rvalue; -@@ -543,8 +552,9 @@ prism54_set_wap(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_get_wap(struct net_device *ndev, struct iw_request_info *info, -- struct sockaddr *awrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct sockaddr *awrq = &wrqu->ap_addr; - islpci_private *priv = netdev_priv(ndev); - union oid_res_t r; - int rvalue; -@@ -559,7 +569,7 @@ prism54_get_wap(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_set_scan(struct net_device *dev, struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *vwrq, char *extra) - { - /* hehe the device does this automagicaly */ - return 0; -@@ -679,8 +689,9 @@ prism54_translate_bss(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_get_scan(struct net_device *ndev, struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *dwrq = &wrqu->data; - islpci_private *priv = netdev_priv(ndev); - int i, rvalue; - struct obj_bsslist *bsslist; -@@ -733,8 +744,9 @@ prism54_get_scan(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_set_essid(struct net_device *ndev, struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *dwrq = &wrqu->data; - islpci_private *priv = netdev_priv(ndev); - struct obj_ssid essid; - -@@ -760,8 +772,9 @@ prism54_set_essid(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_get_essid(struct net_device *ndev, struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *dwrq = &wrqu->data; - islpci_private *priv = netdev_priv(ndev); - struct obj_ssid *essid; - union oid_res_t r; -@@ -790,8 +803,9 @@ prism54_get_essid(struct net_device *ndev, struct iw_request_info *info, - */ - static int - prism54_set_nick(struct net_device *ndev, struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *dwrq = &wrqu->data; - islpci_private *priv = netdev_priv(ndev); - - if (dwrq->length > IW_ESSID_MAX_SIZE) -@@ -807,8 +821,9 @@ prism54_set_nick(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_get_nick(struct net_device *ndev, struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *dwrq = &wrqu->data; - islpci_private *priv = netdev_priv(ndev); - - dwrq->length = 0; -@@ -826,9 +841,9 @@ prism54_get_nick(struct net_device *ndev, struct iw_request_info *info, - static int - prism54_set_rate(struct net_device *ndev, - struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -- -+ struct iw_param *vwrq = &wrqu->bitrate; - islpci_private *priv = netdev_priv(ndev); - u32 rate, profile; - char *data; -@@ -899,8 +914,9 @@ prism54_set_rate(struct net_device *ndev, - static int - prism54_get_rate(struct net_device *ndev, - struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *vwrq = &wrqu->bitrate; - islpci_private *priv = netdev_priv(ndev); - int rvalue; - char *data; -@@ -926,8 +942,9 @@ prism54_get_rate(struct net_device *ndev, - - static int - prism54_set_rts(struct net_device *ndev, struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *vwrq = &wrqu->rts; - islpci_private *priv = netdev_priv(ndev); - - return mgt_set_request(priv, DOT11_OID_RTSTHRESH, 0, &vwrq->value); -@@ -935,8 +952,9 @@ prism54_set_rts(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_get_rts(struct net_device *ndev, struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *vwrq = &wrqu->rts; - islpci_private *priv = netdev_priv(ndev); - union oid_res_t r; - int rvalue; -@@ -950,8 +968,9 @@ prism54_get_rts(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_set_frag(struct net_device *ndev, struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *vwrq = &wrqu->frag; - islpci_private *priv = netdev_priv(ndev); - - return mgt_set_request(priv, DOT11_OID_FRAGTHRESH, 0, &vwrq->value); -@@ -959,8 +978,9 @@ prism54_set_frag(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_get_frag(struct net_device *ndev, struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *vwrq = &wrqu->frag; - islpci_private *priv = netdev_priv(ndev); - union oid_res_t r; - int rvalue; -@@ -980,8 +1000,9 @@ prism54_get_frag(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_set_retry(struct net_device *ndev, struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *vwrq = &wrqu->retry; - islpci_private *priv = netdev_priv(ndev); - u32 slimit = 0, llimit = 0; /* short and long limit */ - u32 lifetime = 0; -@@ -1022,8 +1043,9 @@ prism54_set_retry(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_get_retry(struct net_device *ndev, struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *vwrq = &wrqu->retry; - islpci_private *priv = netdev_priv(ndev); - union oid_res_t r; - int rvalue = 0; -@@ -1054,8 +1076,9 @@ prism54_get_retry(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_set_encode(struct net_device *ndev, struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *dwrq = &wrqu->data; - islpci_private *priv = netdev_priv(ndev); - int rvalue = 0, force = 0; - int authen = DOT11_AUTH_OS, invoke = 0, exunencrypt = 0; -@@ -1155,8 +1178,9 @@ prism54_set_encode(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_get_encode(struct net_device *ndev, struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *dwrq = &wrqu->data; - islpci_private *priv = netdev_priv(ndev); - struct obj_key *key; - u32 devindex, index = (dwrq->flags & IW_ENCODE_INDEX) - 1; -@@ -1203,8 +1227,9 @@ prism54_get_encode(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_get_txpower(struct net_device *ndev, struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *vwrq = &wrqu->txpower; - islpci_private *priv = netdev_priv(ndev); - union oid_res_t r; - int rvalue; -@@ -1223,8 +1248,9 @@ prism54_get_txpower(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_set_txpower(struct net_device *ndev, struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *vwrq = &wrqu->txpower; - islpci_private *priv = netdev_priv(ndev); - s32 u = vwrq->value; - -@@ -1249,8 +1275,9 @@ prism54_set_txpower(struct net_device *ndev, struct iw_request_info *info, - - static int prism54_set_genie(struct net_device *ndev, - struct iw_request_info *info, -- struct iw_point *data, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *data = &wrqu->data; - islpci_private *priv = netdev_priv(ndev); - int alen, ret = 0; - struct obj_attachment *attach; -@@ -1298,8 +1325,9 @@ static int prism54_set_genie(struct net_device *ndev, - - static int prism54_get_genie(struct net_device *ndev, - struct iw_request_info *info, -- struct iw_point *data, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *data = &wrqu->data; - islpci_private *priv = netdev_priv(ndev); - int len = priv->wpa_ie_len; - -@@ -1739,7 +1767,7 @@ static int prism54_get_encodeext(struct net_device *ndev, - - static int - prism54_reset(struct net_device *ndev, struct iw_request_info *info, -- __u32 * uwrq, char *extra) -+ union iwreq_data * uwrq, char *extra) - { - islpci_reset(netdev_priv(ndev), 0); - -@@ -1748,8 +1776,9 @@ prism54_reset(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_get_oid(struct net_device *ndev, struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *dwrq = &wrqu->data; - union oid_res_t r; - int rvalue; - enum oid_num_t n = dwrq->flags; -@@ -1763,8 +1792,9 @@ prism54_get_oid(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_set_u32(struct net_device *ndev, struct iw_request_info *info, -- __u32 * uwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ __u32 * uwrq = &wrqu->mode; - u32 oid = uwrq[0], u = uwrq[1]; - - return mgt_set_request(netdev_priv(ndev), oid, 0, &u); -@@ -1772,8 +1802,9 @@ prism54_set_u32(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_set_raw(struct net_device *ndev, struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *dwrq = &wrqu->data; - u32 oid = dwrq->flags; - - return mgt_set_request(netdev_priv(ndev), oid, 0, extra); -@@ -1819,7 +1850,7 @@ prism54_acl_clean(struct islpci_acl *acl) - - static int - prism54_add_mac(struct net_device *ndev, struct iw_request_info *info, -- struct sockaddr *awrq, char *extra) -+ union iwreq_data *awrq, char *extra) - { - islpci_private *priv = netdev_priv(ndev); - struct islpci_acl *acl = &priv->acl; -@@ -1848,7 +1879,7 @@ prism54_add_mac(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_del_mac(struct net_device *ndev, struct iw_request_info *info, -- struct sockaddr *awrq, char *extra) -+ union iwreq_data *awrq, char *extra) - { - islpci_private *priv = netdev_priv(ndev); - struct islpci_acl *acl = &priv->acl; -@@ -1875,8 +1906,9 @@ prism54_del_mac(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_get_mac(struct net_device *ndev, struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *dwrq = &wrqu->data; - islpci_private *priv = netdev_priv(ndev); - struct islpci_acl *acl = &priv->acl; - struct mac_entry *entry; -@@ -1903,8 +1935,9 @@ prism54_get_mac(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_set_policy(struct net_device *ndev, struct iw_request_info *info, -- __u32 * uwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ __u32 * uwrq = &wrqu->mode; - islpci_private *priv = netdev_priv(ndev); - struct islpci_acl *acl = &priv->acl; - u32 mlmeautolevel; -@@ -1939,8 +1972,9 @@ prism54_set_policy(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_get_policy(struct net_device *ndev, struct iw_request_info *info, -- __u32 * uwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ __u32 * uwrq = &wrqu->mode; - islpci_private *priv = netdev_priv(ndev); - struct islpci_acl *acl = &priv->acl; - -@@ -1979,7 +2013,7 @@ prism54_mac_accept(struct islpci_acl *acl, char *mac) - - static int - prism54_kick_all(struct net_device *ndev, struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *dwrq, char *extra) - { - struct obj_mlme *mlme; - int rvalue; -@@ -1999,7 +2033,7 @@ prism54_kick_all(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_kick_mac(struct net_device *ndev, struct iw_request_info *info, -- struct sockaddr *awrq, char *extra) -+ union iwreq_data *awrq, char *extra) - { - struct obj_mlme *mlme; - struct sockaddr *addr = (struct sockaddr *) extra; -@@ -2085,8 +2119,7 @@ link_changed(struct net_device *ndev, u32 bitrate) - netif_carrier_on(ndev); - if (priv->iw_mode == IW_MODE_INFRA) { - union iwreq_data uwrq; -- prism54_get_wap(ndev, NULL, (struct sockaddr *) &uwrq, -- NULL); -+ prism54_get_wap(ndev, NULL, &uwrq, NULL); - wireless_send_event(ndev, SIOCGIWAP, &uwrq, NULL); - } else - send_simple_event(netdev_priv(ndev), -@@ -2498,8 +2531,9 @@ prism54_set_mac_address(struct net_device *ndev, void *addr) - - static int - prism54_set_wpa(struct net_device *ndev, struct iw_request_info *info, -- __u32 * uwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ __u32 * uwrq = &wrqu->mode; - islpci_private *priv = netdev_priv(ndev); - u32 mlme, authen, dot1x, filter, wep; - -@@ -2542,8 +2576,9 @@ prism54_set_wpa(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_get_wpa(struct net_device *ndev, struct iw_request_info *info, -- __u32 * uwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ __u32 * uwrq = &wrqu->mode; - islpci_private *priv = netdev_priv(ndev); - *uwrq = priv->wpa; - return 0; -@@ -2551,8 +2586,9 @@ prism54_get_wpa(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_set_prismhdr(struct net_device *ndev, struct iw_request_info *info, -- __u32 * uwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ __u32 * uwrq = &wrqu->mode; - islpci_private *priv = netdev_priv(ndev); - priv->monitor_type = - (*uwrq ? ARPHRD_IEEE80211_PRISM : ARPHRD_IEEE80211); -@@ -2564,8 +2600,9 @@ prism54_set_prismhdr(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_get_prismhdr(struct net_device *ndev, struct iw_request_info *info, -- __u32 * uwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ __u32 * uwrq = &wrqu->mode; - islpci_private *priv = netdev_priv(ndev); - *uwrq = (priv->monitor_type == ARPHRD_IEEE80211_PRISM); - return 0; -@@ -2573,8 +2610,9 @@ prism54_get_prismhdr(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_debug_oid(struct net_device *ndev, struct iw_request_info *info, -- __u32 * uwrq, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ __u32 * uwrq = &wrqu->mode; - islpci_private *priv = netdev_priv(ndev); - - priv->priv_oid = *uwrq; -@@ -2585,8 +2623,9 @@ prism54_debug_oid(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_debug_get_oid(struct net_device *ndev, struct iw_request_info *info, -- struct iw_point *data, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *data = &wrqu->data; - islpci_private *priv = netdev_priv(ndev); - struct islpci_mgmtframe *response; - int ret = -EIO; -@@ -2621,8 +2660,9 @@ prism54_debug_get_oid(struct net_device *ndev, struct iw_request_info *info, - - static int - prism54_debug_set_oid(struct net_device *ndev, struct iw_request_info *info, -- struct iw_point *data, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *data = &wrqu->data; - islpci_private *priv = netdev_priv(ndev); - struct islpci_mgmtframe *response; - int ret = 0, response_op = PIMFOR_OP_ERROR; -@@ -2682,60 +2722,60 @@ prism54_set_spy(struct net_device *ndev, - } - - static const iw_handler prism54_handler[] = { -- (iw_handler) prism54_commit, /* SIOCSIWCOMMIT */ -- (iw_handler) prism54_get_name, /* SIOCGIWNAME */ -- (iw_handler) NULL, /* SIOCSIWNWID */ -- (iw_handler) NULL, /* SIOCGIWNWID */ -- (iw_handler) prism54_set_freq, /* SIOCSIWFREQ */ -- (iw_handler) prism54_get_freq, /* SIOCGIWFREQ */ -- (iw_handler) prism54_set_mode, /* SIOCSIWMODE */ -- (iw_handler) prism54_get_mode, /* SIOCGIWMODE */ -- (iw_handler) prism54_set_sens, /* SIOCSIWSENS */ -- (iw_handler) prism54_get_sens, /* SIOCGIWSENS */ -- (iw_handler) NULL, /* SIOCSIWRANGE */ -- (iw_handler) prism54_get_range, /* SIOCGIWRANGE */ -- (iw_handler) NULL, /* SIOCSIWPRIV */ -- (iw_handler) NULL, /* SIOCGIWPRIV */ -- (iw_handler) NULL, /* SIOCSIWSTATS */ -- (iw_handler) NULL, /* SIOCGIWSTATS */ -+ prism54_commit, /* SIOCSIWCOMMIT */ -+ prism54_get_name, /* SIOCGIWNAME */ -+ NULL, /* SIOCSIWNWID */ -+ NULL, /* SIOCGIWNWID */ -+ prism54_set_freq, /* SIOCSIWFREQ */ -+ prism54_get_freq, /* SIOCGIWFREQ */ -+ prism54_set_mode, /* SIOCSIWMODE */ -+ prism54_get_mode, /* SIOCGIWMODE */ -+ prism54_set_sens, /* SIOCSIWSENS */ -+ prism54_get_sens, /* SIOCGIWSENS */ -+ NULL, /* SIOCSIWRANGE */ -+ prism54_get_range, /* SIOCGIWRANGE */ -+ NULL, /* SIOCSIWPRIV */ -+ NULL, /* SIOCGIWPRIV */ -+ NULL, /* SIOCSIWSTATS */ -+ NULL, /* SIOCGIWSTATS */ - prism54_set_spy, /* SIOCSIWSPY */ - iw_handler_get_spy, /* SIOCGIWSPY */ - iw_handler_set_thrspy, /* SIOCSIWTHRSPY */ - iw_handler_get_thrspy, /* SIOCGIWTHRSPY */ -- (iw_handler) prism54_set_wap, /* SIOCSIWAP */ -- (iw_handler) prism54_get_wap, /* SIOCGIWAP */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) NULL, /* SIOCGIWAPLIST deprecated */ -- (iw_handler) prism54_set_scan, /* SIOCSIWSCAN */ -- (iw_handler) prism54_get_scan, /* SIOCGIWSCAN */ -- (iw_handler) prism54_set_essid, /* SIOCSIWESSID */ -- (iw_handler) prism54_get_essid, /* SIOCGIWESSID */ -- (iw_handler) prism54_set_nick, /* SIOCSIWNICKN */ -- (iw_handler) prism54_get_nick, /* SIOCGIWNICKN */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) prism54_set_rate, /* SIOCSIWRATE */ -- (iw_handler) prism54_get_rate, /* SIOCGIWRATE */ -- (iw_handler) prism54_set_rts, /* SIOCSIWRTS */ -- (iw_handler) prism54_get_rts, /* SIOCGIWRTS */ -- (iw_handler) prism54_set_frag, /* SIOCSIWFRAG */ -- (iw_handler) prism54_get_frag, /* SIOCGIWFRAG */ -- (iw_handler) prism54_set_txpower, /* SIOCSIWTXPOW */ -- (iw_handler) prism54_get_txpower, /* SIOCGIWTXPOW */ -- (iw_handler) prism54_set_retry, /* SIOCSIWRETRY */ -- (iw_handler) prism54_get_retry, /* SIOCGIWRETRY */ -- (iw_handler) prism54_set_encode, /* SIOCSIWENCODE */ -- (iw_handler) prism54_get_encode, /* SIOCGIWENCODE */ -- (iw_handler) NULL, /* SIOCSIWPOWER */ -- (iw_handler) NULL, /* SIOCGIWPOWER */ -+ prism54_set_wap, /* SIOCSIWAP */ -+ prism54_get_wap, /* SIOCGIWAP */ -+ NULL, /* -- hole -- */ -+ NULL, /* SIOCGIWAPLIST deprecated */ -+ prism54_set_scan, /* SIOCSIWSCAN */ -+ prism54_get_scan, /* SIOCGIWSCAN */ -+ prism54_set_essid, /* SIOCSIWESSID */ -+ prism54_get_essid, /* SIOCGIWESSID */ -+ prism54_set_nick, /* SIOCSIWNICKN */ -+ prism54_get_nick, /* SIOCGIWNICKN */ -+ NULL, /* -- hole -- */ -+ NULL, /* -- hole -- */ -+ prism54_set_rate, /* SIOCSIWRATE */ -+ prism54_get_rate, /* SIOCGIWRATE */ -+ prism54_set_rts, /* SIOCSIWRTS */ -+ prism54_get_rts, /* SIOCGIWRTS */ -+ prism54_set_frag, /* SIOCSIWFRAG */ -+ prism54_get_frag, /* SIOCGIWFRAG */ -+ prism54_set_txpower, /* SIOCSIWTXPOW */ -+ prism54_get_txpower, /* SIOCGIWTXPOW */ -+ prism54_set_retry, /* SIOCSIWRETRY */ -+ prism54_get_retry, /* SIOCGIWRETRY */ -+ prism54_set_encode, /* SIOCSIWENCODE */ -+ prism54_get_encode, /* SIOCGIWENCODE */ -+ NULL, /* SIOCSIWPOWER */ -+ NULL, /* SIOCGIWPOWER */ - NULL, /* -- hole -- */ - NULL, /* -- hole -- */ -- (iw_handler) prism54_set_genie, /* SIOCSIWGENIE */ -- (iw_handler) prism54_get_genie, /* SIOCGIWGENIE */ -- (iw_handler) prism54_set_auth, /* SIOCSIWAUTH */ -- (iw_handler) prism54_get_auth, /* SIOCGIWAUTH */ -- (iw_handler) prism54_set_encodeext, /* SIOCSIWENCODEEXT */ -- (iw_handler) prism54_get_encodeext, /* SIOCGIWENCODEEXT */ -+ prism54_set_genie, /* SIOCSIWGENIE */ -+ prism54_get_genie, /* SIOCGIWGENIE */ -+ prism54_set_auth, /* SIOCSIWAUTH */ -+ prism54_get_auth, /* SIOCGIWAUTH */ -+ prism54_set_encodeext, /* SIOCSIWENCODEEXT */ -+ prism54_get_encodeext, /* SIOCGIWENCODEEXT */ - NULL, /* SIOCSIWPMKSA */ - }; - -@@ -2872,31 +2912,31 @@ static const struct iw_priv_args prism54_private_args[] = { - }; - - static const iw_handler prism54_private_handler[] = { -- (iw_handler) prism54_reset, -- (iw_handler) prism54_get_policy, -- (iw_handler) prism54_set_policy, -- (iw_handler) prism54_get_mac, -- (iw_handler) prism54_add_mac, -- (iw_handler) NULL, -- (iw_handler) prism54_del_mac, -- (iw_handler) NULL, -- (iw_handler) prism54_kick_mac, -- (iw_handler) NULL, -- (iw_handler) prism54_kick_all, -- (iw_handler) prism54_get_wpa, -- (iw_handler) prism54_set_wpa, -- (iw_handler) NULL, -- (iw_handler) prism54_debug_oid, -- (iw_handler) prism54_debug_get_oid, -- (iw_handler) prism54_debug_set_oid, -- (iw_handler) prism54_get_oid, -- (iw_handler) prism54_set_u32, -- (iw_handler) NULL, -- (iw_handler) prism54_set_raw, -- (iw_handler) NULL, -- (iw_handler) prism54_set_raw, -- (iw_handler) prism54_get_prismhdr, -- (iw_handler) prism54_set_prismhdr, -+ prism54_reset, -+ prism54_get_policy, -+ prism54_set_policy, -+ prism54_get_mac, -+ prism54_add_mac, -+ NULL, -+ prism54_del_mac, -+ NULL, -+ prism54_kick_mac, -+ NULL, -+ prism54_kick_all, -+ prism54_get_wpa, -+ prism54_set_wpa, -+ NULL, -+ prism54_debug_oid, -+ prism54_debug_get_oid, -+ prism54_debug_set_oid, -+ prism54_get_oid, -+ prism54_set_u32, -+ NULL, -+ prism54_set_raw, -+ NULL, -+ prism54_set_raw, -+ prism54_get_prismhdr, -+ prism54_set_prismhdr, - }; - - const struct iw_handler_def prism54_handler_def = { -diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c -index d3bad57..1989113 100644 ---- a/drivers/net/wireless/mac80211_hwsim.c -+++ b/drivers/net/wireless/mac80211_hwsim.c -@@ -3360,20 +3360,20 @@ static int __init init_mac80211_hwsim(void) - if (channels < 1) - return -EINVAL; - -- mac80211_hwsim_mchan_ops = mac80211_hwsim_ops; -- mac80211_hwsim_mchan_ops.hw_scan = mac80211_hwsim_hw_scan; -- mac80211_hwsim_mchan_ops.cancel_hw_scan = mac80211_hwsim_cancel_hw_scan; -- mac80211_hwsim_mchan_ops.sw_scan_start = NULL; -- mac80211_hwsim_mchan_ops.sw_scan_complete = NULL; -- mac80211_hwsim_mchan_ops.remain_on_channel = mac80211_hwsim_roc; -- mac80211_hwsim_mchan_ops.cancel_remain_on_channel = mac80211_hwsim_croc; -- mac80211_hwsim_mchan_ops.add_chanctx = mac80211_hwsim_add_chanctx; -- mac80211_hwsim_mchan_ops.remove_chanctx = mac80211_hwsim_remove_chanctx; -- mac80211_hwsim_mchan_ops.change_chanctx = mac80211_hwsim_change_chanctx; -- mac80211_hwsim_mchan_ops.assign_vif_chanctx = -- mac80211_hwsim_assign_vif_chanctx; -- mac80211_hwsim_mchan_ops.unassign_vif_chanctx = -- mac80211_hwsim_unassign_vif_chanctx; -+ pax_open_kernel(); -+ memcpy((void *)&mac80211_hwsim_mchan_ops, &mac80211_hwsim_ops, sizeof mac80211_hwsim_mchan_ops); -+ const_cast(mac80211_hwsim_mchan_ops.hw_scan) = mac80211_hwsim_hw_scan; -+ const_cast(mac80211_hwsim_mchan_ops.cancel_hw_scan) = mac80211_hwsim_cancel_hw_scan; -+ const_cast(mac80211_hwsim_mchan_ops.sw_scan_start) = NULL; -+ const_cast(mac80211_hwsim_mchan_ops.sw_scan_complete) = NULL; -+ const_cast(mac80211_hwsim_mchan_ops.remain_on_channel) = mac80211_hwsim_roc; -+ const_cast(mac80211_hwsim_mchan_ops.cancel_remain_on_channel) = mac80211_hwsim_croc; -+ const_cast(mac80211_hwsim_mchan_ops.add_chanctx) = mac80211_hwsim_add_chanctx; -+ const_cast(mac80211_hwsim_mchan_ops.remove_chanctx) = mac80211_hwsim_remove_chanctx; -+ const_cast(mac80211_hwsim_mchan_ops.change_chanctx) = mac80211_hwsim_change_chanctx; -+ const_cast(mac80211_hwsim_mchan_ops.assign_vif_chanctx) = mac80211_hwsim_assign_vif_chanctx; -+ const_cast(mac80211_hwsim_mchan_ops.unassign_vif_chanctx) = mac80211_hwsim_unassign_vif_chanctx; -+ pax_close_kernel(); - - spin_lock_init(&hwsim_radio_lock); - -diff --git a/drivers/net/wireless/marvell/mwifiex/main.c b/drivers/net/wireless/marvell/mwifiex/main.c -index 2478ccd..1194b50 100644 ---- a/drivers/net/wireless/marvell/mwifiex/main.c -+++ b/drivers/net/wireless/marvell/mwifiex/main.c -@@ -853,7 +853,7 @@ mwifiex_clone_skb_for_tx_status(struct mwifiex_private *priv, - /* - * CFG802.11 network device handler for data transmission. - */ --static int -+static netdev_tx_t - mwifiex_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); -@@ -1539,14 +1539,10 @@ mwifiex_reinit_sw(struct mwifiex_adapter *adapter, struct semaphore *sem, - */ - void mwifiex_do_flr(struct mwifiex_adapter *adapter, bool prepare) - { -- struct mwifiex_if_ops if_ops; -- - if (!prepare) { -- mwifiex_reinit_sw(adapter, adapter->card_sem, &if_ops, -+ mwifiex_reinit_sw(adapter, adapter->card_sem, NULL, - adapter->iface_type); - } else { -- memcpy(&if_ops, &adapter->if_ops, -- sizeof(struct mwifiex_if_ops)); - mwifiex_shutdown_sw(adapter, adapter->card_sem); - } - } -diff --git a/drivers/net/wireless/marvell/mwifiex/util.c b/drivers/net/wireless/marvell/mwifiex/util.c -index 18fbb96..db73632 100644 ---- a/drivers/net/wireless/marvell/mwifiex/util.c -+++ b/drivers/net/wireless/marvell/mwifiex/util.c -@@ -751,7 +751,7 @@ void mwifiex_hist_data_reset(struct mwifiex_private *priv) - void *mwifiex_alloc_dma_align_buf(int rx_len, gfp_t flags) - { - struct sk_buff *skb; -- int buf_len, pad; -+ long buf_len, pad; - - buf_len = rx_len + MWIFIEX_RX_HEADROOM + MWIFIEX_DMA_ALIGN_SZ; - -diff --git a/drivers/net/wireless/ralink/rt2x00/rt2400pci.c b/drivers/net/wireless/ralink/rt2x00/rt2400pci.c -index 155f343..5db43e7 100644 ---- a/drivers/net/wireless/ralink/rt2x00/rt2400pci.c -+++ b/drivers/net/wireless/ralink/rt2x00/rt2400pci.c -@@ -54,7 +54,7 @@ - rt2x00mmio_regbusy_read((__dev), RFCSR, RFCSR_BUSY, (__reg)) - - static void rt2400pci_bbp_write(struct rt2x00_dev *rt2x00dev, -- const unsigned int word, const u8 value) -+ const unsigned int word, u8 value) - { - u32 reg; - -@@ -109,7 +109,7 @@ static void rt2400pci_bbp_read(struct rt2x00_dev *rt2x00dev, - } - - static void rt2400pci_rf_write(struct rt2x00_dev *rt2x00dev, -- const unsigned int word, const u32 value) -+ const unsigned int word, u32 value) - { - u32 reg; - -diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500pci.c b/drivers/net/wireless/ralink/rt2x00/rt2500pci.c -index 2553cdd..6a60ef9 100644 ---- a/drivers/net/wireless/ralink/rt2x00/rt2500pci.c -+++ b/drivers/net/wireless/ralink/rt2x00/rt2500pci.c -@@ -54,7 +54,7 @@ - rt2x00mmio_regbusy_read((__dev), RFCSR, RFCSR_BUSY, (__reg)) - - static void rt2500pci_bbp_write(struct rt2x00_dev *rt2x00dev, -- const unsigned int word, const u8 value) -+ const unsigned int word, u8 value) - { - u32 reg; - -@@ -109,7 +109,7 @@ static void rt2500pci_bbp_read(struct rt2x00_dev *rt2x00dev, - } - - static void rt2500pci_rf_write(struct rt2x00_dev *rt2x00dev, -- const unsigned int word, const u32 value) -+ const unsigned int word, u32 value) - { - u32 reg; - -diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500usb.c b/drivers/net/wireless/ralink/rt2x00/rt2500usb.c -index 2d64611..66754f4 100644 ---- a/drivers/net/wireless/ralink/rt2x00/rt2500usb.c -+++ b/drivers/net/wireless/ralink/rt2x00/rt2500usb.c -@@ -142,7 +142,7 @@ static int rt2500usb_regbusy_read(struct rt2x00_dev *rt2x00dev, - rt2500usb_regbusy_read((__dev), PHY_CSR10, PHY_CSR10_RF_BUSY, (__reg)) - - static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev, -- const unsigned int word, const u8 value) -+ const unsigned int word, u8 value) - { - u16 reg; - -@@ -196,7 +196,7 @@ static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev, - } - - static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev, -- const unsigned int word, const u32 value) -+ const unsigned int word, u32 value) - { - u16 reg; - -diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c -index bf3f0a3..9d2a6d0 100644 ---- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c -+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c -@@ -83,7 +83,7 @@ static inline bool rt2800_is_305x_soc(struct rt2x00_dev *rt2x00dev) - } - - static void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev, -- const unsigned int word, const u8 value) -+ const unsigned int word, u8 value) - { - u32 reg; - -@@ -140,7 +140,7 @@ static void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev, - } - - static void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev, -- const unsigned int word, const u8 value) -+ const unsigned int word, u8 value) - { - u32 reg; - -@@ -195,7 +195,7 @@ static void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev, - } - - static void rt2800_rf_write(struct rt2x00_dev *rt2x00dev, -- const unsigned int word, const u32 value) -+ const unsigned int word, u32 value) - { - u32 reg; - -diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00.h b/drivers/net/wireless/ralink/rt2x00/rt2x00.h -index f68d492..38ba52d 100644 ---- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h -+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h -@@ -378,7 +378,7 @@ struct rt2x00_intf { - * for hardware which doesn't support hardware - * sequence counting. - */ -- atomic_t seqno; -+ atomic_unchecked_t seqno; - }; - - static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif) -diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c -index 68b620b..92ecd9e 100644 ---- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c -+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c -@@ -224,9 +224,9 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev, - * sequence counter given by mac80211. - */ - if (test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags)) -- seqno = atomic_add_return(0x10, &intf->seqno); -+ seqno = atomic_add_return_unchecked(0x10, &intf->seqno); - else -- seqno = atomic_read(&intf->seqno); -+ seqno = atomic_read_unchecked(&intf->seqno); - - hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); - hdr->seq_ctrl |= cpu_to_le16(seqno); -diff --git a/drivers/net/wireless/ralink/rt2x00/rt61pci.c b/drivers/net/wireless/ralink/rt2x00/rt61pci.c -index 03013eb..ade7027 100644 ---- a/drivers/net/wireless/ralink/rt2x00/rt61pci.c -+++ b/drivers/net/wireless/ralink/rt2x00/rt61pci.c -@@ -63,7 +63,7 @@ MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); - H2M_MAILBOX_CSR_OWNER, (__reg)) - - static void rt61pci_bbp_write(struct rt2x00_dev *rt2x00dev, -- const unsigned int word, const u8 value) -+ const unsigned int word, u8 value) - { - u32 reg; - -@@ -118,7 +118,7 @@ static void rt61pci_bbp_read(struct rt2x00_dev *rt2x00dev, - } - - static void rt61pci_rf_write(struct rt2x00_dev *rt2x00dev, -- const unsigned int word, const u32 value) -+ const unsigned int word, u32 value) - { - u32 reg; - -diff --git a/drivers/net/wireless/ralink/rt2x00/rt73usb.c b/drivers/net/wireless/ralink/rt2x00/rt73usb.c -index c1397a6..82c223d 100644 ---- a/drivers/net/wireless/ralink/rt2x00/rt73usb.c -+++ b/drivers/net/wireless/ralink/rt2x00/rt73usb.c -@@ -61,7 +61,7 @@ MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); - rt2x00usb_regbusy_read((__dev), PHY_CSR4, PHY_CSR4_BUSY, (__reg)) - - static void rt73usb_bbp_write(struct rt2x00_dev *rt2x00dev, -- const unsigned int word, const u8 value) -+ const unsigned int word, u8 value) - { - u32 reg; - -@@ -116,7 +116,7 @@ static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev, - } - - static void rt73usb_rf_write(struct rt2x00_dev *rt2x00dev, -- const unsigned int word, const u32 value) -+ const unsigned int word, u32 value) - { - u32 reg; - -diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c -index 4ac928b..9832ba8 100644 ---- a/drivers/net/wireless/realtek/rtlwifi/base.c -+++ b/drivers/net/wireless/realtek/rtlwifi/base.c -@@ -467,15 +467,15 @@ static void _rtl_init_deferred_work(struct ieee80211_hw *hw) - rtlpriv->works.hw = hw; - rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name); - INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq, -- (void *)rtl_watchdog_wq_callback); -+ rtl_watchdog_wq_callback); - INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq, -- (void *)rtl_ips_nic_off_wq_callback); -+ rtl_ips_nic_off_wq_callback); - INIT_DELAYED_WORK(&rtlpriv->works.ps_work, -- (void *)rtl_swlps_wq_callback); -+ rtl_swlps_wq_callback); - INIT_DELAYED_WORK(&rtlpriv->works.ps_rfon_wq, -- (void *)rtl_swlps_rfon_wq_callback); -+ rtl_swlps_rfon_wq_callback); - INIT_DELAYED_WORK(&rtlpriv->works.fwevt_wq, -- (void *)rtl_fwevt_wq_callback); -+ rtl_fwevt_wq_callback); - - } - -@@ -1559,7 +1559,7 @@ void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb) - } - EXPORT_SYMBOL_GPL(rtl_beacon_statistic); - --void rtl_watchdog_wq_callback(void *data) -+void rtl_watchdog_wq_callback(struct work_struct *data) - { - struct rtl_works *rtlworks = container_of_dwork_rtl(data, - struct rtl_works, -@@ -1722,7 +1722,7 @@ void rtl_watch_dog_timer_callback(unsigned long data) - mod_timer(&rtlpriv->works.watchdog_timer, - jiffies + MSECS(RTL_WATCH_DOG_TIME)); - } --void rtl_fwevt_wq_callback(void *data) -+void rtl_fwevt_wq_callback(struct work_struct *data) - { - struct rtl_works *rtlworks = - container_of_dwork_rtl(data, struct rtl_works, fwevt_wq); -diff --git a/drivers/net/wireless/realtek/rtlwifi/base.h b/drivers/net/wireless/realtek/rtlwifi/base.h -index 74233d6..482e495 100644 ---- a/drivers/net/wireless/realtek/rtlwifi/base.h -+++ b/drivers/net/wireless/realtek/rtlwifi/base.h -@@ -134,8 +134,8 @@ int rtl_rx_agg_start(struct ieee80211_hw *hw, - struct ieee80211_sta *sta, u16 tid); - int rtl_rx_agg_stop(struct ieee80211_hw *hw, - struct ieee80211_sta *sta, u16 tid); --void rtl_watchdog_wq_callback(void *data); --void rtl_fwevt_wq_callback(void *data); -+void rtl_watchdog_wq_callback(struct work_struct *data); -+void rtl_fwevt_wq_callback(struct work_struct *data); - - void rtl_get_tcb_desc(struct ieee80211_hw *hw, - struct ieee80211_tx_info *info, -diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c -index 5be4fc9..05d3370 100644 ---- a/drivers/net/wireless/realtek/rtlwifi/pci.c -+++ b/drivers/net/wireless/realtek/rtlwifi/pci.c -@@ -1095,13 +1095,16 @@ static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id) - return ret; - } - --static void _rtl_pci_irq_tasklet(struct ieee80211_hw *hw) -+static void _rtl_pci_irq_tasklet(unsigned long _hw) - { -+ struct ieee80211_hw *hw = (struct ieee80211_hw *)_hw; -+ - _rtl_pci_tx_chk_waitq(hw); - } - --static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw) -+static void _rtl_pci_prepare_bcn_tasklet(unsigned long _hw) - { -+ struct ieee80211_hw *hw = (struct ieee80211_hw *)_hw; - struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); -@@ -1222,12 +1225,8 @@ static void _rtl_pci_init_struct(struct ieee80211_hw *hw, - rtlpci->acm_method = EACMWAY2_SW; - - /*task */ -- tasklet_init(&rtlpriv->works.irq_tasklet, -- (void (*)(unsigned long))_rtl_pci_irq_tasklet, -- (unsigned long)hw); -- tasklet_init(&rtlpriv->works.irq_prepare_bcn_tasklet, -- (void (*)(unsigned long))_rtl_pci_prepare_bcn_tasklet, -- (unsigned long)hw); -+ tasklet_init(&rtlpriv->works.irq_tasklet, _rtl_pci_irq_tasklet, (unsigned long)hw); -+ tasklet_init(&rtlpriv->works.irq_prepare_bcn_tasklet, _rtl_pci_prepare_bcn_tasklet, (unsigned long)hw); - INIT_WORK(&rtlpriv->works.lps_change_work, - rtl_lps_change_work_callback); - } -diff --git a/drivers/net/wireless/realtek/rtlwifi/ps.c b/drivers/net/wireless/realtek/rtlwifi/ps.c -index d0ffc4d..5f197b4 100644 ---- a/drivers/net/wireless/realtek/rtlwifi/ps.c -+++ b/drivers/net/wireless/realtek/rtlwifi/ps.c -@@ -198,7 +198,7 @@ static void _rtl_ps_inactive_ps(struct ieee80211_hw *hw) - ppsc->swrf_processing = false; - } - --void rtl_ips_nic_off_wq_callback(void *data) -+void rtl_ips_nic_off_wq_callback(struct work_struct *data) - { - struct rtl_works *rtlworks = - container_of_dwork_rtl(data, struct rtl_works, ips_nic_off_wq); -@@ -582,7 +582,7 @@ void rtl_swlps_rf_awake(struct ieee80211_hw *hw) - spin_unlock_irqrestore(&rtlpriv->locks.lps_lock, flag); - } - --void rtl_swlps_rfon_wq_callback(void *data) -+void rtl_swlps_rfon_wq_callback(struct work_struct *data) - { - struct rtl_works *rtlworks = - container_of_dwork_rtl(data, struct rtl_works, ps_rfon_wq); -@@ -696,7 +696,7 @@ void rtl_lps_leave(struct ieee80211_hw *hw) - } - EXPORT_SYMBOL_GPL(rtl_lps_leave); - --void rtl_swlps_wq_callback(void *data) -+void rtl_swlps_wq_callback(struct work_struct *data) - { - struct rtl_works *rtlworks = container_of_dwork_rtl(data, - struct rtl_works, -diff --git a/drivers/net/wireless/realtek/rtlwifi/ps.h b/drivers/net/wireless/realtek/rtlwifi/ps.h -index 0df2b52..0607d33 100644 ---- a/drivers/net/wireless/realtek/rtlwifi/ps.h -+++ b/drivers/net/wireless/realtek/rtlwifi/ps.h -@@ -32,15 +32,15 @@ bool rtl_ps_enable_nic(struct ieee80211_hw *hw); - bool rtl_ps_disable_nic(struct ieee80211_hw *hw); - void rtl_ips_nic_off(struct ieee80211_hw *hw); - void rtl_ips_nic_on(struct ieee80211_hw *hw); --void rtl_ips_nic_off_wq_callback(void *data); -+void rtl_ips_nic_off_wq_callback(struct work_struct *data); - void rtl_lps_enter(struct ieee80211_hw *hw); - void rtl_lps_leave(struct ieee80211_hw *hw); - - void rtl_lps_set_psmode(struct ieee80211_hw *hw, u8 rt_psmode); - - void rtl_swlps_beacon(struct ieee80211_hw *hw, void *data, unsigned int len); --void rtl_swlps_wq_callback(void *data); --void rtl_swlps_rfon_wq_callback(void *data); -+void rtl_swlps_wq_callback(struct work_struct *data); -+void rtl_swlps_rfon_wq_callback(struct work_struct *data); - void rtl_swlps_rf_awake(struct ieee80211_hw *hw); - void rtl_swlps_rf_sleep(struct ieee80211_hw *hw); - void rtl_p2p_ps_cmd(struct ieee80211_hw *hw , u8 p2p_ps_state); -diff --git a/drivers/net/wireless/ti/wl1251/sdio.c b/drivers/net/wireless/ti/wl1251/sdio.c -index b661f896..ebea675 100644 ---- a/drivers/net/wireless/ti/wl1251/sdio.c -+++ b/drivers/net/wireless/ti/wl1251/sdio.c -@@ -282,13 +282,17 @@ static int wl1251_sdio_probe(struct sdio_func *func, - - irq_set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING); - -- wl1251_sdio_ops.enable_irq = wl1251_enable_line_irq; -- wl1251_sdio_ops.disable_irq = wl1251_disable_line_irq; -+ pax_open_kernel(); -+ const_cast(wl1251_sdio_ops.enable_irq) = wl1251_enable_line_irq; -+ const_cast(wl1251_sdio_ops.disable_irq) = wl1251_disable_line_irq; -+ pax_close_kernel(); - - wl1251_info("using dedicated interrupt line"); - } else { -- wl1251_sdio_ops.enable_irq = wl1251_sdio_enable_irq; -- wl1251_sdio_ops.disable_irq = wl1251_sdio_disable_irq; -+ pax_open_kernel(); -+ const_cast(wl1251_sdio_ops.enable_irq) = wl1251_sdio_enable_irq; -+ const_cast(wl1251_sdio_ops.disable_irq) = wl1251_sdio_disable_irq; -+ pax_close_kernel(); - - wl1251_info("using SDIO interrupt"); - } -diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c -index 22009e1..2e5e0c1 100644 ---- a/drivers/net/wireless/ti/wl12xx/main.c -+++ b/drivers/net/wireless/ti/wl12xx/main.c -@@ -656,7 +656,9 @@ static int wl12xx_identify_chip(struct wl1271 *wl) - sizeof(wl->conf.mem)); - - /* read data preparation is only needed by wl127x */ -- wl->ops->prepare_read = wl127x_prepare_read; -+ pax_open_kernel(); -+ const_cast(wl->ops->prepare_read) = wl127x_prepare_read; -+ pax_close_kernel(); - - wlcore_set_min_fw_ver(wl, WL127X_CHIP_VER, - WL127X_IFTYPE_SR_VER, WL127X_MAJOR_SR_VER, -@@ -681,7 +683,9 @@ static int wl12xx_identify_chip(struct wl1271 *wl) - sizeof(wl->conf.mem)); - - /* read data preparation is only needed by wl127x */ -- wl->ops->prepare_read = wl127x_prepare_read; -+ pax_open_kernel(); -+ const_cast(wl->ops->prepare_read) = wl127x_prepare_read; -+ pax_close_kernel(); - - wlcore_set_min_fw_ver(wl, WL127X_CHIP_VER, - WL127X_IFTYPE_SR_VER, WL127X_MAJOR_SR_VER, -diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c -index 06d6943..8d7aa2b 100644 ---- a/drivers/net/wireless/ti/wl18xx/main.c -+++ b/drivers/net/wireless/ti/wl18xx/main.c -@@ -2033,8 +2033,10 @@ static int wl18xx_setup(struct wl1271 *wl) - } - - if (!checksum_param) { -- wl18xx_ops.set_rx_csum = NULL; -- wl18xx_ops.init_vif = NULL; -+ pax_open_kernel(); -+ const_cast(wl18xx_ops.set_rx_csum) = NULL; -+ const_cast(wl18xx_ops.init_vif) = NULL; -+ pax_close_kernel(); - } - - /* Enable 11a Band only if we have 5G antennas */ -diff --git a/drivers/net/wireless/zydas/zd1201.c b/drivers/net/wireless/zydas/zd1201.c -index dea049b..ef3bcdd 100644 ---- a/drivers/net/wireless/zydas/zd1201.c -+++ b/drivers/net/wireless/zydas/zd1201.c -@@ -891,7 +891,7 @@ static void zd1201_set_multicast(struct net_device *dev) - } - - static int zd1201_config_commit(struct net_device *dev, -- struct iw_request_info *info, struct iw_point *data, char *essid) -+ struct iw_request_info *info, union iwreq_data *data, char *essid) - { - struct zd1201 *zd = netdev_priv(dev); - -@@ -899,15 +899,18 @@ static int zd1201_config_commit(struct net_device *dev, - } - - static int zd1201_get_name(struct net_device *dev, -- struct iw_request_info *info, char *name, char *extra) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *extra) - { -+ char *name = wrqu->name; -+ - strcpy(name, "IEEE 802.11b"); - return 0; - } - - static int zd1201_set_freq(struct net_device *dev, -- struct iw_request_info *info, struct iw_freq *freq, char *extra) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *extra) - { -+ struct iw_freq *freq = &wrqu->freq; - struct zd1201 *zd = netdev_priv(dev); - short channel = 0; - int err; -@@ -927,8 +930,9 @@ static int zd1201_set_freq(struct net_device *dev, - } - - static int zd1201_get_freq(struct net_device *dev, -- struct iw_request_info *info, struct iw_freq *freq, char *extra) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *extra) - { -+ struct iw_freq *freq = &wrqu->freq; - struct zd1201 *zd = netdev_priv(dev); - short channel; - int err; -@@ -943,8 +947,9 @@ static int zd1201_get_freq(struct net_device *dev, - } - - static int zd1201_set_mode(struct net_device *dev, -- struct iw_request_info *info, __u32 *mode, char *extra) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *extra) - { -+ __u32 *mode = &wrqu->mode; - struct zd1201 *zd = netdev_priv(dev); - short porttype, monitor = 0; - unsigned char buffer[IW_ESSID_MAX_SIZE+2]; -@@ -1005,8 +1010,9 @@ static int zd1201_set_mode(struct net_device *dev, - } - - static int zd1201_get_mode(struct net_device *dev, -- struct iw_request_info *info, __u32 *mode, char *extra) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *extra) - { -+ __u32 *mode = &wrqu->mode; - struct zd1201 *zd = netdev_priv(dev); - short porttype; - int err; -@@ -1042,8 +1048,9 @@ static int zd1201_get_mode(struct net_device *dev, - } - - static int zd1201_get_range(struct net_device *dev, -- struct iw_request_info *info, struct iw_point *wrq, char *extra) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *wrq = &wrqu->data; - struct iw_range *range = (struct iw_range *)extra; - - wrq->length = sizeof(struct iw_range); -@@ -1081,8 +1088,9 @@ static int zd1201_get_range(struct net_device *dev, - * the stats after asking the bssid. - */ - static int zd1201_get_wap(struct net_device *dev, -- struct iw_request_info *info, struct sockaddr *ap_addr, char *extra) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *extra) - { -+ struct sockaddr *ap_addr = &wrqu->ap_addr; - struct zd1201 *zd = netdev_priv(dev); - unsigned char buffer[6]; - -@@ -1102,15 +1110,16 @@ static int zd1201_get_wap(struct net_device *dev, - } - - static int zd1201_set_scan(struct net_device *dev, -- struct iw_request_info *info, struct iw_point *srq, char *extra) -+ struct iw_request_info *info, union iwreq_data *srq, char *extra) - { - /* We do everything in get_scan */ - return 0; - } - - static int zd1201_get_scan(struct net_device *dev, -- struct iw_request_info *info, struct iw_point *srq, char *extra) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *extra) - { -+ struct iw_point *srq = &wrqu->data; - struct zd1201 *zd = netdev_priv(dev); - int err, i, j, enabled_save; - struct iw_event iwe; -@@ -1201,8 +1210,9 @@ static int zd1201_get_scan(struct net_device *dev, - } - - static int zd1201_set_essid(struct net_device *dev, -- struct iw_request_info *info, struct iw_point *data, char *essid) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *essid) - { -+ struct iw_point *data = &wrqu->essid; - struct zd1201 *zd = netdev_priv(dev); - - if (data->length > IW_ESSID_MAX_SIZE) -@@ -1216,8 +1226,9 @@ static int zd1201_set_essid(struct net_device *dev, - } - - static int zd1201_get_essid(struct net_device *dev, -- struct iw_request_info *info, struct iw_point *data, char *essid) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *essid) - { -+ struct iw_point *data = &wrqu->essid; - struct zd1201 *zd = netdev_priv(dev); - - memcpy(essid, zd->essid, zd->essidlen); -@@ -1228,8 +1239,10 @@ static int zd1201_get_essid(struct net_device *dev, - } - - static int zd1201_get_nick(struct net_device *dev, struct iw_request_info *info, -- struct iw_point *data, char *nick) -+ union iwreq_data *wrqu, char *nick) - { -+ struct iw_point *data = &wrqu->data; -+ - strcpy(nick, "zd1201"); - data->flags = 1; - data->length = strlen(nick); -@@ -1237,8 +1250,9 @@ static int zd1201_get_nick(struct net_device *dev, struct iw_request_info *info, - } - - static int zd1201_set_rate(struct net_device *dev, -- struct iw_request_info *info, struct iw_param *rrq, char *extra) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *rrq = &wrqu->bitrate; - struct zd1201 *zd = netdev_priv(dev); - short rate; - int err; -@@ -1270,8 +1284,9 @@ static int zd1201_set_rate(struct net_device *dev, - } - - static int zd1201_get_rate(struct net_device *dev, -- struct iw_request_info *info, struct iw_param *rrq, char *extra) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *rrq = &wrqu->bitrate; - struct zd1201 *zd = netdev_priv(dev); - short rate; - int err; -@@ -1303,8 +1318,9 @@ static int zd1201_get_rate(struct net_device *dev, - } - - static int zd1201_set_rts(struct net_device *dev, struct iw_request_info *info, -- struct iw_param *rts, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *rts = &wrqu->rts; - struct zd1201 *zd = netdev_priv(dev); - int err; - short val = rts->value; -@@ -1323,8 +1339,9 @@ static int zd1201_set_rts(struct net_device *dev, struct iw_request_info *info, - } - - static int zd1201_get_rts(struct net_device *dev, struct iw_request_info *info, -- struct iw_param *rts, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *rts = &wrqu->rts; - struct zd1201 *zd = netdev_priv(dev); - short rtst; - int err; -@@ -1340,8 +1357,9 @@ static int zd1201_get_rts(struct net_device *dev, struct iw_request_info *info, - } - - static int zd1201_set_frag(struct net_device *dev, struct iw_request_info *info, -- struct iw_param *frag, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *frag = &wrqu->frag; - struct zd1201 *zd = netdev_priv(dev); - int err; - short val = frag->value; -@@ -1361,8 +1379,9 @@ static int zd1201_set_frag(struct net_device *dev, struct iw_request_info *info, - } - - static int zd1201_get_frag(struct net_device *dev, struct iw_request_info *info, -- struct iw_param *frag, char *extra) -+ union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *frag = &wrqu->frag; - struct zd1201 *zd = netdev_priv(dev); - short fragt; - int err; -@@ -1378,20 +1397,21 @@ static int zd1201_get_frag(struct net_device *dev, struct iw_request_info *info, - } - - static int zd1201_set_retry(struct net_device *dev, -- struct iw_request_info *info, struct iw_param *rrq, char *extra) -+ struct iw_request_info *info, union iwreq_data *rrq, char *extra) - { - return 0; - } - - static int zd1201_get_retry(struct net_device *dev, -- struct iw_request_info *info, struct iw_param *rrq, char *extra) -+ struct iw_request_info *info, union iwreq_data *rrq, char *extra) - { - return 0; - } - - static int zd1201_set_encode(struct net_device *dev, -- struct iw_request_info *info, struct iw_point *erq, char *key) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *key) - { -+ struct iw_point *erq = &wrqu->encoding; - struct zd1201 *zd = netdev_priv(dev); - short i; - int err, rid; -@@ -1447,8 +1467,9 @@ static int zd1201_set_encode(struct net_device *dev, - } - - static int zd1201_get_encode(struct net_device *dev, -- struct iw_request_info *info, struct iw_point *erq, char *key) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *key) - { -+ struct iw_point *erq = &wrqu->encoding; - struct zd1201 *zd = netdev_priv(dev); - short i; - int err; -@@ -1480,8 +1501,9 @@ static int zd1201_get_encode(struct net_device *dev, - } - - static int zd1201_set_power(struct net_device *dev, -- struct iw_request_info *info, struct iw_param *vwrq, char *extra) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *vwrq = &wrqu->power; - struct zd1201 *zd = netdev_priv(dev); - short enabled, duration, level; - int err; -@@ -1519,8 +1541,9 @@ static int zd1201_set_power(struct net_device *dev, - } - - static int zd1201_get_power(struct net_device *dev, -- struct iw_request_info *info, struct iw_param *vwrq, char *extra) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *vwrq = &wrqu->power; - struct zd1201 *zd = netdev_priv(dev); - short enabled, level, duration; - int err; -@@ -1557,57 +1580,58 @@ static int zd1201_get_power(struct net_device *dev, - - static const iw_handler zd1201_iw_handler[] = - { -- (iw_handler) zd1201_config_commit, /* SIOCSIWCOMMIT */ -- (iw_handler) zd1201_get_name, /* SIOCGIWNAME */ -- (iw_handler) NULL, /* SIOCSIWNWID */ -- (iw_handler) NULL, /* SIOCGIWNWID */ -- (iw_handler) zd1201_set_freq, /* SIOCSIWFREQ */ -- (iw_handler) zd1201_get_freq, /* SIOCGIWFREQ */ -- (iw_handler) zd1201_set_mode, /* SIOCSIWMODE */ -- (iw_handler) zd1201_get_mode, /* SIOCGIWMODE */ -- (iw_handler) NULL, /* SIOCSIWSENS */ -- (iw_handler) NULL, /* SIOCGIWSENS */ -- (iw_handler) NULL, /* SIOCSIWRANGE */ -- (iw_handler) zd1201_get_range, /* SIOCGIWRANGE */ -- (iw_handler) NULL, /* SIOCSIWPRIV */ -- (iw_handler) NULL, /* SIOCGIWPRIV */ -- (iw_handler) NULL, /* SIOCSIWSTATS */ -- (iw_handler) NULL, /* SIOCGIWSTATS */ -- (iw_handler) NULL, /* SIOCSIWSPY */ -- (iw_handler) NULL, /* SIOCGIWSPY */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) NULL/*zd1201_set_wap*/, /* SIOCSIWAP */ -- (iw_handler) zd1201_get_wap, /* SIOCGIWAP */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) NULL, /* SIOCGIWAPLIST */ -- (iw_handler) zd1201_set_scan, /* SIOCSIWSCAN */ -- (iw_handler) zd1201_get_scan, /* SIOCGIWSCAN */ -- (iw_handler) zd1201_set_essid, /* SIOCSIWESSID */ -- (iw_handler) zd1201_get_essid, /* SIOCGIWESSID */ -- (iw_handler) NULL, /* SIOCSIWNICKN */ -- (iw_handler) zd1201_get_nick, /* SIOCGIWNICKN */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) zd1201_set_rate, /* SIOCSIWRATE */ -- (iw_handler) zd1201_get_rate, /* SIOCGIWRATE */ -- (iw_handler) zd1201_set_rts, /* SIOCSIWRTS */ -- (iw_handler) zd1201_get_rts, /* SIOCGIWRTS */ -- (iw_handler) zd1201_set_frag, /* SIOCSIWFRAG */ -- (iw_handler) zd1201_get_frag, /* SIOCGIWFRAG */ -- (iw_handler) NULL, /* SIOCSIWTXPOW */ -- (iw_handler) NULL, /* SIOCGIWTXPOW */ -- (iw_handler) zd1201_set_retry, /* SIOCSIWRETRY */ -- (iw_handler) zd1201_get_retry, /* SIOCGIWRETRY */ -- (iw_handler) zd1201_set_encode, /* SIOCSIWENCODE */ -- (iw_handler) zd1201_get_encode, /* SIOCGIWENCODE */ -- (iw_handler) zd1201_set_power, /* SIOCSIWPOWER */ -- (iw_handler) zd1201_get_power, /* SIOCGIWPOWER */ -+ zd1201_config_commit, /* SIOCSIWCOMMIT */ -+ zd1201_get_name, /* SIOCGIWNAME */ -+ NULL, /* SIOCSIWNWID */ -+ NULL, /* SIOCGIWNWID */ -+ zd1201_set_freq, /* SIOCSIWFREQ */ -+ zd1201_get_freq, /* SIOCGIWFREQ */ -+ zd1201_set_mode, /* SIOCSIWMODE */ -+ zd1201_get_mode, /* SIOCGIWMODE */ -+ NULL, /* SIOCSIWSENS */ -+ NULL, /* SIOCGIWSENS */ -+ NULL, /* SIOCSIWRANGE */ -+ zd1201_get_range, /* SIOCGIWRANGE */ -+ NULL, /* SIOCSIWPRIV */ -+ NULL, /* SIOCGIWPRIV */ -+ NULL, /* SIOCSIWSTATS */ -+ NULL, /* SIOCGIWSTATS */ -+ NULL, /* SIOCSIWSPY */ -+ NULL, /* SIOCGIWSPY */ -+ NULL, /* -- hole -- */ -+ NULL, /* -- hole -- */ -+ NULL/*zd1201_set_wap*/, /* SIOCSIWAP */ -+ zd1201_get_wap, /* SIOCGIWAP */ -+ NULL, /* -- hole -- */ -+ NULL, /* SIOCGIWAPLIST */ -+ zd1201_set_scan, /* SIOCSIWSCAN */ -+ zd1201_get_scan, /* SIOCGIWSCAN */ -+ zd1201_set_essid, /* SIOCSIWESSID */ -+ zd1201_get_essid, /* SIOCGIWESSID */ -+ NULL, /* SIOCSIWNICKN */ -+ zd1201_get_nick, /* SIOCGIWNICKN */ -+ NULL, /* -- hole -- */ -+ NULL, /* -- hole -- */ -+ zd1201_set_rate, /* SIOCSIWRATE */ -+ zd1201_get_rate, /* SIOCGIWRATE */ -+ zd1201_set_rts, /* SIOCSIWRTS */ -+ zd1201_get_rts, /* SIOCGIWRTS */ -+ zd1201_set_frag, /* SIOCSIWFRAG */ -+ zd1201_get_frag, /* SIOCGIWFRAG */ -+ NULL, /* SIOCSIWTXPOW */ -+ NULL, /* SIOCGIWTXPOW */ -+ zd1201_set_retry, /* SIOCSIWRETRY */ -+ zd1201_get_retry, /* SIOCGIWRETRY */ -+ zd1201_set_encode, /* SIOCSIWENCODE */ -+ zd1201_get_encode, /* SIOCGIWENCODE */ -+ zd1201_set_power, /* SIOCSIWPOWER */ -+ zd1201_get_power, /* SIOCGIWPOWER */ - }; - - static int zd1201_set_hostauth(struct net_device *dev, -- struct iw_request_info *info, struct iw_param *rrq, char *extra) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *rrq = &wrqu->param; - struct zd1201 *zd = netdev_priv(dev); - - if (!zd->ap) -@@ -1617,8 +1641,9 @@ static int zd1201_set_hostauth(struct net_device *dev, - } - - static int zd1201_get_hostauth(struct net_device *dev, -- struct iw_request_info *info, struct iw_param *rrq, char *extra) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *rrq = &wrqu->param; - struct zd1201 *zd = netdev_priv(dev); - short hostauth; - int err; -@@ -1636,8 +1661,9 @@ static int zd1201_get_hostauth(struct net_device *dev, - } - - static int zd1201_auth_sta(struct net_device *dev, -- struct iw_request_info *info, struct sockaddr *sta, char *extra) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *extra) - { -+ struct sockaddr *sta = &wrqu->addr; - struct zd1201 *zd = netdev_priv(dev); - unsigned char buffer[10]; - -@@ -1652,8 +1678,9 @@ static int zd1201_auth_sta(struct net_device *dev, - } - - static int zd1201_set_maxassoc(struct net_device *dev, -- struct iw_request_info *info, struct iw_param *rrq, char *extra) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *rrq = &wrqu->param; - struct zd1201 *zd = netdev_priv(dev); - int err; - -@@ -1667,8 +1694,9 @@ static int zd1201_set_maxassoc(struct net_device *dev, - } - - static int zd1201_get_maxassoc(struct net_device *dev, -- struct iw_request_info *info, struct iw_param *rrq, char *extra) -+ struct iw_request_info *info, union iwreq_data *wrqu, char *extra) - { -+ struct iw_param *rrq = &wrqu->param; - struct zd1201 *zd = netdev_priv(dev); - short maxassoc; - int err; -@@ -1686,12 +1714,12 @@ static int zd1201_get_maxassoc(struct net_device *dev, - } - - static const iw_handler zd1201_private_handler[] = { -- (iw_handler) zd1201_set_hostauth, /* ZD1201SIWHOSTAUTH */ -- (iw_handler) zd1201_get_hostauth, /* ZD1201GIWHOSTAUTH */ -- (iw_handler) zd1201_auth_sta, /* ZD1201SIWAUTHSTA */ -- (iw_handler) NULL, /* nothing to get */ -- (iw_handler) zd1201_set_maxassoc, /* ZD1201SIMAXASSOC */ -- (iw_handler) zd1201_get_maxassoc, /* ZD1201GIMAXASSOC */ -+ zd1201_set_hostauth, /* ZD1201SIWHOSTAUTH */ -+ zd1201_get_hostauth, /* ZD1201GIWHOSTAUTH */ -+ zd1201_auth_sta, /* ZD1201SIWAUTHSTA */ -+ NULL, /* nothing to get */ -+ zd1201_set_maxassoc, /* ZD1201SIMAXASSOC */ -+ zd1201_get_maxassoc, /* ZD1201GIMAXASSOC */ - }; - - static const struct iw_priv_args zd1201_private_args[] = { -diff --git a/drivers/net/wireless/zydas/zd1211rw/zd_usb.c b/drivers/net/wireless/zydas/zd1211rw/zd_usb.c -index c5effd6c..0466667 100644 ---- a/drivers/net/wireless/zydas/zd1211rw/zd_usb.c -+++ b/drivers/net/wireless/zydas/zd1211rw/zd_usb.c -@@ -385,7 +385,7 @@ static inline void handle_regs_int(struct urb *urb) - { - struct zd_usb *usb = urb->context; - struct zd_usb_interrupt *intr = &usb->intr; -- int len; -+ unsigned int len; - u16 int_num; - - ZD_ASSERT(in_interrupt()); -diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c -index 74dc2bf..e942c3b 100644 ---- a/drivers/net/xen-netback/interface.c -+++ b/drivers/net/xen-netback/interface.c -@@ -160,7 +160,7 @@ static u16 xenvif_select_queue(struct net_device *dev, struct sk_buff *skb, - return vif->hash.mapping[skb_get_hash_raw(skb) % size]; - } - --static int xenvif_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t xenvif_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct xenvif *vif = netdev_priv(dev); - struct xenvif_queue *queue = NULL; -diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c -index 0cdcb21..72354a5 100644 ---- a/drivers/net/xen-netfront.c -+++ b/drivers/net/xen-netfront.c -@@ -550,7 +550,7 @@ static u16 xennet_select_queue(struct net_device *dev, struct sk_buff *skb, - - #define MAX_XEN_SKB_FRAGS (65536 / XEN_PAGE_SIZE + 1) - --static int xennet_start_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t xennet_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct netfront_info *np = netdev_priv(dev); - struct netfront_stats *tx_stats = this_cpu_ptr(np->tx_stats); -diff --git a/drivers/ntb/test/ntb_pingpong.c b/drivers/ntb/test/ntb_pingpong.c -index 4358611..e0cbb1a 100644 ---- a/drivers/ntb/test/ntb_pingpong.c -+++ b/drivers/ntb/test/ntb_pingpong.c -@@ -99,7 +99,7 @@ struct pp_ctx { - unsigned long db_delay; - struct dentry *debugfs_node_dir; - struct dentry *debugfs_count; -- atomic_t count; -+ atomic_unchecked_t count; - }; - - static struct dentry *pp_debugfs_dir; -@@ -177,7 +177,7 @@ static void pp_db_event(void *ctx, int vec) - dev_dbg(&pp->ntb->dev, - "Pong vec %d bits %#llx\n", - vec, db_bits); -- atomic_inc(&pp->count); -+ atomic_inc_unchecked(&pp->count); - } - spin_unlock_irqrestore(&pp->db_lock, irqflags); - } -@@ -194,7 +194,7 @@ static int pp_debugfs_setup(struct pp_ctx *pp) - if (!pp->debugfs_node_dir) - return -ENODEV; - -- pp->debugfs_count = debugfs_create_atomic_t("count", S_IRUSR | S_IWUSR, -+ pp->debugfs_count = debugfs_create_atomic_unchecked_t("count", S_IRUSR | S_IWUSR, - pp->debugfs_node_dir, - &pp->count); - if (!pp->debugfs_count) -@@ -238,7 +238,7 @@ static int pp_probe(struct ntb_client *client, - - pp->ntb = ntb; - pp->db_bits = 0; -- atomic_set(&pp->count, 0); -+ atomic_set_unchecked(&pp->count, 0); - spin_lock_init(&pp->db_lock); - setup_timer(&pp->db_timer, pp_ping, (unsigned long)pp); - pp->db_delay = msecs_to_jiffies(delay_ms); -diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c -index 8a9c186..117d53c 100644 ---- a/drivers/nvme/host/pci.c -+++ b/drivers/nvme/host/pci.c -@@ -2040,7 +2040,7 @@ static int nvme_resume(struct device *dev) - static SIMPLE_DEV_PM_OPS(nvme_dev_pm_ops, nvme_suspend, nvme_resume); - - static pci_ers_result_t nvme_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct nvme_dev *dev = pci_get_drvdata(pdev); - -diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c -index c89d5d2..bcd8946 100644 ---- a/drivers/of/fdt.c -+++ b/drivers/of/fdt.c -@@ -1295,7 +1295,9 @@ static int __init of_fdt_raw_init(void) - pr_warn("not creating '/sys/firmware/fdt': CRC check failed\n"); - return 0; - } -- of_fdt_raw_attr.size = fdt_totalsize(initial_boot_params); -+ pax_open_kernel(); -+ const_cast(of_fdt_raw_attr.size) = fdt_totalsize(initial_boot_params); -+ pax_close_kernel(); - return sysfs_create_bin_file(firmware_kobj, &of_fdt_raw_attr); - } - late_initcall(of_fdt_raw_init); -diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c -index 82f7000..d6d0447 100644 ---- a/drivers/oprofile/buffer_sync.c -+++ b/drivers/oprofile/buffer_sync.c -@@ -345,7 +345,7 @@ static void add_data(struct op_entry *entry, struct mm_struct *mm) - if (cookie == NO_COOKIE) - offset = pc; - if (cookie == INVALID_COOKIE) { -- atomic_inc(&oprofile_stats.sample_lost_no_mapping); -+ atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mapping); - offset = pc; - } - if (cookie != last_cookie) { -@@ -389,14 +389,14 @@ add_sample(struct mm_struct *mm, struct op_sample *s, int in_kernel) - /* add userspace sample */ - - if (!mm) { -- atomic_inc(&oprofile_stats.sample_lost_no_mm); -+ atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mm); - return 0; - } - - cookie = lookup_dcookie(mm, s->eip, &offset); - - if (cookie == INVALID_COOKIE) { -- atomic_inc(&oprofile_stats.sample_lost_no_mapping); -+ atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mapping); - return 0; - } - -@@ -554,7 +554,7 @@ void sync_buffer(int cpu) - /* ignore backtraces if failed to add a sample */ - if (state == sb_bt_start) { - state = sb_bt_ignore; -- atomic_inc(&oprofile_stats.bt_lost_no_mapping); -+ atomic_inc_unchecked(&oprofile_stats.bt_lost_no_mapping); - } - } - release_mm(mm); -diff --git a/drivers/oprofile/event_buffer.c b/drivers/oprofile/event_buffer.c -index c0cc4e7..44d4e54 100644 ---- a/drivers/oprofile/event_buffer.c -+++ b/drivers/oprofile/event_buffer.c -@@ -53,7 +53,7 @@ void add_event_entry(unsigned long value) - } - - if (buffer_pos == buffer_size) { -- atomic_inc(&oprofile_stats.event_lost_overflow); -+ atomic_inc_unchecked(&oprofile_stats.event_lost_overflow); - return; - } - -diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c -index ed2c3ec..deda85a 100644 ---- a/drivers/oprofile/oprof.c -+++ b/drivers/oprofile/oprof.c -@@ -110,7 +110,7 @@ static void switch_worker(struct work_struct *work) - if (oprofile_ops.switch_events()) - return; - -- atomic_inc(&oprofile_stats.multiplex_counter); -+ atomic_inc_unchecked(&oprofile_stats.multiplex_counter); - start_switch_worker(); - } - -diff --git a/drivers/oprofile/oprofile_stats.c b/drivers/oprofile/oprofile_stats.c -index 59659ce..6c860a0 100644 ---- a/drivers/oprofile/oprofile_stats.c -+++ b/drivers/oprofile/oprofile_stats.c -@@ -30,11 +30,11 @@ void oprofile_reset_stats(void) - cpu_buf->sample_invalid_eip = 0; - } - -- atomic_set(&oprofile_stats.sample_lost_no_mm, 0); -- atomic_set(&oprofile_stats.sample_lost_no_mapping, 0); -- atomic_set(&oprofile_stats.event_lost_overflow, 0); -- atomic_set(&oprofile_stats.bt_lost_no_mapping, 0); -- atomic_set(&oprofile_stats.multiplex_counter, 0); -+ atomic_set_unchecked(&oprofile_stats.sample_lost_no_mm, 0); -+ atomic_set_unchecked(&oprofile_stats.sample_lost_no_mapping, 0); -+ atomic_set_unchecked(&oprofile_stats.event_lost_overflow, 0); -+ atomic_set_unchecked(&oprofile_stats.bt_lost_no_mapping, 0); -+ atomic_set_unchecked(&oprofile_stats.multiplex_counter, 0); - } - - -diff --git a/drivers/oprofile/oprofile_stats.h b/drivers/oprofile/oprofile_stats.h -index 1fc622b..8c48fc3 100644 ---- a/drivers/oprofile/oprofile_stats.h -+++ b/drivers/oprofile/oprofile_stats.h -@@ -13,11 +13,11 @@ - #include - - struct oprofile_stat_struct { -- atomic_t sample_lost_no_mm; -- atomic_t sample_lost_no_mapping; -- atomic_t bt_lost_no_mapping; -- atomic_t event_lost_overflow; -- atomic_t multiplex_counter; -+ atomic_unchecked_t sample_lost_no_mm; -+ atomic_unchecked_t sample_lost_no_mapping; -+ atomic_unchecked_t bt_lost_no_mapping; -+ atomic_unchecked_t event_lost_overflow; -+ atomic_unchecked_t multiplex_counter; - }; - - extern struct oprofile_stat_struct oprofile_stats; -diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c -index 134398e..266e724 100644 ---- a/drivers/oprofile/oprofilefs.c -+++ b/drivers/oprofile/oprofilefs.c -@@ -176,8 +176,8 @@ int oprofilefs_create_ro_ulong(struct dentry *root, - - static ssize_t atomic_read_file(struct file *file, char __user *buf, size_t count, loff_t *offset) - { -- atomic_t *val = file->private_data; -- return oprofilefs_ulong_to_user(atomic_read(val), buf, count, offset); -+ atomic_unchecked_t *val = file->private_data; -+ return oprofilefs_ulong_to_user(atomic_read_unchecked(val), buf, count, offset); - } - - -@@ -189,7 +189,7 @@ static const struct file_operations atomic_ro_fops = { - - - int oprofilefs_create_ro_atomic(struct dentry *root, -- char const *name, atomic_t *val) -+ char const *name, atomic_unchecked_t *val) - { - return __oprofilefs_create_file(root, name, - &atomic_ro_fops, 0444, val); -diff --git a/drivers/parport/procfs.c b/drivers/parport/procfs.c -index 74ed3e4..3e74a1c 100644 ---- a/drivers/parport/procfs.c -+++ b/drivers/parport/procfs.c -@@ -65,7 +65,7 @@ static int do_active_device(struct ctl_table *table, int write, - - *ppos += len; - -- return copy_to_user(result, buffer, len) ? -EFAULT : 0; -+ return (len > sizeof buffer || copy_to_user(result, buffer, len)) ? -EFAULT : 0; - } - - #ifdef CONFIG_PARPORT_1284 -@@ -107,7 +107,7 @@ static int do_autoprobe(struct ctl_table *table, int write, - - *ppos += len; - -- return copy_to_user (result, buffer, len) ? -EFAULT : 0; -+ return (len > sizeof buffer || copy_to_user (result, buffer, len)) ? -EFAULT : 0; - } - #endif /* IEEE1284.3 support. */ - -diff --git a/drivers/pci/host/vmd.c b/drivers/pci/host/vmd.c -index 37e29b5..616d520 100644 ---- a/drivers/pci/host/vmd.c -+++ b/drivers/pci/host/vmd.c -@@ -396,7 +396,7 @@ static void vmd_teardown_dma_ops(struct vmd_dev *vmd) - #define ASSIGN_VMD_DMA_OPS(source, dest, fn) \ - do { \ - if (source->fn) \ -- dest->fn = vmd_##fn; \ -+ const_cast(dest->fn) = vmd_##fn;\ - } while (0) - - static void vmd_setup_dma_ops(struct vmd_dev *vmd) -@@ -410,6 +410,8 @@ static void vmd_setup_dma_ops(struct vmd_dev *vmd) - - if (!source) - return; -+ -+ pax_open_kernel(); - ASSIGN_VMD_DMA_OPS(source, dest, alloc); - ASSIGN_VMD_DMA_OPS(source, dest, free); - ASSIGN_VMD_DMA_OPS(source, dest, mmap); -@@ -427,6 +429,8 @@ static void vmd_setup_dma_ops(struct vmd_dev *vmd) - #ifdef ARCH_HAS_DMA_GET_REQUIRED_MASK - ASSIGN_VMD_DMA_OPS(source, dest, get_required_mask); - #endif -+ pax_close_kernel(); -+ - add_dma_domain(domain); - } - #undef ASSIGN_VMD_DMA_OPS -diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c -index f6221d7..80121ae 100644 ---- a/drivers/pci/hotplug/acpiphp_ibm.c -+++ b/drivers/pci/hotplug/acpiphp_ibm.c -@@ -465,7 +465,9 @@ static int __init ibm_acpiphp_init(void) - goto init_cleanup; - } - -- ibm_apci_table_attr.size = ibm_get_table_from_acpi(NULL); -+ pax_open_kernel(); -+ const_cast(ibm_apci_table_attr.size) = ibm_get_table_from_acpi(NULL); -+ pax_close_kernel(); - retval = sysfs_create_bin_file(sysdir, &ibm_apci_table_attr); - - return retval; -diff --git a/drivers/pci/hotplug/cpcihp_generic.c b/drivers/pci/hotplug/cpcihp_generic.c -index 88a44a7..de358ce 100644 ---- a/drivers/pci/hotplug/cpcihp_generic.c -+++ b/drivers/pci/hotplug/cpcihp_generic.c -@@ -73,7 +73,6 @@ static u16 port; - static unsigned int enum_bit; - static u8 enum_mask; - --static struct cpci_hp_controller_ops generic_hpc_ops; - static struct cpci_hp_controller generic_hpc; - - static int __init validate_parameters(void) -@@ -139,6 +138,10 @@ static int query_enum(void) - return ((value & enum_mask) == enum_mask); - } - -+static struct cpci_hp_controller_ops generic_hpc_ops = { -+ .query_enum = query_enum, -+}; -+ - static int __init cpcihp_generic_init(void) - { - int status; -@@ -165,7 +168,6 @@ static int __init cpcihp_generic_init(void) - pci_dev_put(dev); - - memset(&generic_hpc, 0, sizeof(struct cpci_hp_controller)); -- generic_hpc_ops.query_enum = query_enum; - generic_hpc.ops = &generic_hpc_ops; - - status = cpci_hp_register_controller(&generic_hpc); -diff --git a/drivers/pci/hotplug/cpcihp_zt5550.c b/drivers/pci/hotplug/cpcihp_zt5550.c -index 5f49c3f..18c4d10 100644 ---- a/drivers/pci/hotplug/cpcihp_zt5550.c -+++ b/drivers/pci/hotplug/cpcihp_zt5550.c -@@ -59,7 +59,6 @@ - /* local variables */ - static bool debug; - static bool poll; --static struct cpci_hp_controller_ops zt5550_hpc_ops; - static struct cpci_hp_controller zt5550_hpc; - - /* Primary cPCI bus bridge device */ -@@ -204,6 +203,10 @@ static int zt5550_hc_disable_irq(void) - return 0; - } - -+static struct cpci_hp_controller_ops zt5550_hpc_ops = { -+ .query_enum = zt5550_hc_query_enum, -+}; -+ - static int zt5550_hc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) - { - int status; -@@ -215,16 +218,17 @@ static int zt5550_hc_init_one(struct pci_dev *pdev, const struct pci_device_id * - dbg("returned from zt5550_hc_config"); - - memset(&zt5550_hpc, 0, sizeof(struct cpci_hp_controller)); -- zt5550_hpc_ops.query_enum = zt5550_hc_query_enum; - zt5550_hpc.ops = &zt5550_hpc_ops; - if (!poll) { - zt5550_hpc.irq = hc_dev->irq; - zt5550_hpc.irq_flags = IRQF_SHARED; - zt5550_hpc.dev_id = hc_dev; - -- zt5550_hpc_ops.enable_irq = zt5550_hc_enable_irq; -- zt5550_hpc_ops.disable_irq = zt5550_hc_disable_irq; -- zt5550_hpc_ops.check_irq = zt5550_hc_check_irq; -+ pax_open_kernel(); -+ const_cast(zt5550_hpc_ops.enable_irq) = zt5550_hc_enable_irq; -+ const_cast(zt5550_hpc_ops.disable_irq) = zt5550_hc_disable_irq; -+ const_cast(zt5550_hpc_ops.check_irq) = zt5550_hc_check_irq; -+ pax_close_kernel(); - } else { - info("using ENUM# polling mode"); - } -diff --git a/drivers/pci/hotplug/cpqphp_nvram.c b/drivers/pci/hotplug/cpqphp_nvram.c -index c25fc90..b054774 100644 ---- a/drivers/pci/hotplug/cpqphp_nvram.c -+++ b/drivers/pci/hotplug/cpqphp_nvram.c -@@ -425,8 +425,10 @@ static u32 store_HRT(void __iomem *rom_start) - - void compaq_nvram_init(void __iomem *rom_start) - { -+#ifndef CONFIG_PAX_KERNEXEC - if (rom_start) - compaq_int15_entry_point = (rom_start + ROM_INT15_PHY_ADDR - ROM_PHY_ADDR); -+#endif - - dbg("int15 entry = %p\n", compaq_int15_entry_point); - -diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c -index fea0b8b..0d3e890 100644 ---- a/drivers/pci/hotplug/pci_hotplug_core.c -+++ b/drivers/pci/hotplug/pci_hotplug_core.c -@@ -434,8 +434,10 @@ int __pci_hp_register(struct hotplug_slot *slot, struct pci_bus *bus, - return -EINVAL; - } - -- slot->ops->owner = owner; -- slot->ops->mod_name = mod_name; -+ pax_open_kernel(); -+ const_cast(slot->ops->owner) = owner; -+ const_cast(slot->ops->mod_name) = mod_name; -+ pax_close_kernel(); - - mutex_lock(&pci_hp_mutex); - /* -diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c -index 7d32fa33..62d9b1d2 100644 ---- a/drivers/pci/hotplug/pciehp_core.c -+++ b/drivers/pci/hotplug/pciehp_core.c -@@ -86,7 +86,7 @@ static int init_slot(struct controller *ctrl) - struct slot *slot = ctrl->slot; - struct hotplug_slot *hotplug = NULL; - struct hotplug_slot_info *info = NULL; -- struct hotplug_slot_ops *ops = NULL; -+ hotplug_slot_ops_no_const *ops = NULL; - char name[SLOT_NAME_SIZE]; - int retval = -ENOMEM; - -diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c -index 3455f75..889b244 100644 ---- a/drivers/pci/msi.c -+++ b/drivers/pci/msi.c -@@ -477,8 +477,8 @@ static int populate_msi_sysfs(struct pci_dev *pdev) - { - struct attribute **msi_attrs; - struct attribute *msi_attr; -- struct device_attribute *msi_dev_attr; -- struct attribute_group *msi_irq_group; -+ device_attribute_no_const *msi_dev_attr; -+ attribute_group_no_const *msi_irq_group; - const struct attribute_group **msi_irq_groups; - struct msi_desc *entry; - int ret = -ENOMEM; -@@ -540,7 +540,7 @@ static int populate_msi_sysfs(struct pci_dev *pdev) - count = 0; - msi_attr = msi_attrs[count]; - while (msi_attr) { -- msi_dev_attr = container_of(msi_attr, struct device_attribute, attr); -+ msi_dev_attr = container_of(msi_attr, device_attribute_no_const, attr); - kfree(msi_attr->name); - kfree(msi_dev_attr); - ++count; -@@ -1418,12 +1418,14 @@ static void pci_msi_domain_update_dom_ops(struct msi_domain_info *info) - if (ops == NULL) { - info->ops = &pci_msi_domain_ops_default; - } else { -+ pax_open_kernel(); - if (ops->set_desc == NULL) -- ops->set_desc = pci_msi_domain_set_desc; -+ const_cast(ops->set_desc) = pci_msi_domain_set_desc; - if (ops->msi_check == NULL) -- ops->msi_check = pci_msi_domain_check_cap; -+ const_cast(ops->msi_check) = pci_msi_domain_check_cap; - if (ops->handle_error == NULL) -- ops->handle_error = pci_msi_domain_handle_error; -+ const_cast(ops->handle_error) = pci_msi_domain_handle_error; -+ pax_close_kernel(); - } - } - -@@ -1432,12 +1434,14 @@ static void pci_msi_domain_update_chip_ops(struct msi_domain_info *info) - struct irq_chip *chip = info->chip; - - BUG_ON(!chip); -+ pax_open_kernel(); - if (!chip->irq_write_msi_msg) -- chip->irq_write_msi_msg = pci_msi_domain_write_msg; -+ const_cast(chip->irq_write_msi_msg) = pci_msi_domain_write_msg; - if (!chip->irq_mask) -- chip->irq_mask = pci_msi_mask_irq; -+ const_cast(chip->irq_mask) = pci_msi_mask_irq; - if (!chip->irq_unmask) -- chip->irq_unmask = pci_msi_unmask_irq; -+ const_cast(chip->irq_unmask) = pci_msi_unmask_irq; -+ pax_close_kernel(); - } - - /** -diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c -index bcd10c7..c7c18bc 100644 ---- a/drivers/pci/pci-sysfs.c -+++ b/drivers/pci/pci-sysfs.c -@@ -1141,7 +1141,7 @@ static int pci_create_attr(struct pci_dev *pdev, int num, int write_combine) - { - /* allocate attribute structure, piggyback attribute name */ - int name_len = write_combine ? 13 : 10; -- struct bin_attribute *res_attr; -+ bin_attribute_no_const *res_attr; - char *res_attr_name; - int retval; - -@@ -1321,7 +1321,7 @@ static struct device_attribute reset_attr = __ATTR(reset, 0200, NULL, reset_stor - static int pci_create_capabilities_sysfs(struct pci_dev *dev) - { - int retval; -- struct bin_attribute *attr; -+ bin_attribute_no_const *attr; - - /* If the device has VPD, try to expose it in sysfs. */ - if (dev->vpd) { -@@ -1368,7 +1368,7 @@ int __must_check pci_create_sysfs_dev_files(struct pci_dev *pdev) - { - int retval; - int rom_size; -- struct bin_attribute *attr; -+ bin_attribute_no_const *attr; - - if (!sysfs_initialized) - return -EACCES; -diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h -index a5d37f6..8c7494b 100644 ---- a/drivers/pci/pci.h -+++ b/drivers/pci/pci.h -@@ -116,7 +116,7 @@ struct pci_vpd_ops { - - struct pci_vpd { - const struct pci_vpd_ops *ops; -- struct bin_attribute *attr; /* descriptor for sysfs VPD entry */ -+ bin_attribute_no_const *attr; /* descriptor for sysfs VPD entry */ - struct mutex lock; - unsigned int len; - u16 flag; -@@ -312,7 +312,7 @@ static inline int pci_iov_bus_range(struct pci_bus *bus) - - #endif /* CONFIG_PCI_IOV */ - --unsigned long pci_cardbus_resource_alignment(struct resource *); -+unsigned long pci_cardbus_resource_alignment(const struct resource *); - - static inline resource_size_t pci_resource_alignment(struct pci_dev *dev, - struct resource *res) -diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c -index b0916b1..5ba6224 100644 ---- a/drivers/pci/pcie/aspm.c -+++ b/drivers/pci/pcie/aspm.c -@@ -27,9 +27,9 @@ - #define MODULE_PARAM_PREFIX "pcie_aspm." - - /* Note: those are not register definitions */ --#define ASPM_STATE_L0S_UP (1) /* Upstream direction L0s state */ --#define ASPM_STATE_L0S_DW (2) /* Downstream direction L0s state */ --#define ASPM_STATE_L1 (4) /* L1 state */ -+#define ASPM_STATE_L0S_UP (1U) /* Upstream direction L0s state */ -+#define ASPM_STATE_L0S_DW (2U) /* Downstream direction L0s state */ -+#define ASPM_STATE_L1 (4U) /* L1 state */ - #define ASPM_STATE_L0S (ASPM_STATE_L0S_UP | ASPM_STATE_L0S_DW) - #define ASPM_STATE_ALL (ASPM_STATE_L0S | ASPM_STATE_L1) - -@@ -782,7 +782,7 @@ void pci_disable_link_state(struct pci_dev *pdev, int state) - } - EXPORT_SYMBOL(pci_disable_link_state); - --static int pcie_aspm_set_policy(const char *val, struct kernel_param *kp) -+static int pcie_aspm_set_policy(const char *val, const struct kernel_param *kp) - { - int i; - struct pcie_link_state *link; -@@ -809,7 +809,7 @@ static int pcie_aspm_set_policy(const char *val, struct kernel_param *kp) - return 0; - } - --static int pcie_aspm_get_policy(char *buffer, struct kernel_param *kp) -+static int pcie_aspm_get_policy(char *buffer, const struct kernel_param *kp) - { - int i, cnt = 0; - for (i = 0; i < ARRAY_SIZE(policy_str); i++) -diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c -index 79327cc..28fde3f 100644 ---- a/drivers/pci/pcie/portdrv_pci.c -+++ b/drivers/pci/pcie/portdrv_pci.c -@@ -360,7 +360,7 @@ static int __init dmi_pcie_pme_disable_msi(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id __initdata pcie_portdrv_dmi_table[] = { -+static const struct dmi_system_id __initconst pcie_portdrv_dmi_table[] = { - /* - * Boxes that should not use MSI for PCIe PME signaling. - */ -diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c -index d266d80..ada4895 100644 ---- a/drivers/pci/probe.c -+++ b/drivers/pci/probe.c -@@ -180,7 +180,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type, - u16 orig_cmd; - struct pci_bus_region region, inverted_region; - -- mask = type ? PCI_ROM_ADDRESS_MASK : ~0; -+ mask = type ? (u32)PCI_ROM_ADDRESS_MASK : ~0; - - /* No printks while decoding is disabled! */ - if (!dev->mmio_always_on) { -diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c -index 2408abe..455d4d4 100644 ---- a/drivers/pci/proc.c -+++ b/drivers/pci/proc.c -@@ -437,7 +437,16 @@ static const struct file_operations proc_bus_pci_dev_operations = { - static int __init pci_proc_init(void) - { - struct pci_dev *dev = NULL; -+ -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ proc_bus_pci_dir = proc_mkdir_mode("bus/pci", S_IRUSR | S_IXUSR, NULL); -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ proc_bus_pci_dir = proc_mkdir_mode("bus/pci", S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP, NULL); -+#endif -+#else - proc_bus_pci_dir = proc_mkdir("bus/pci", NULL); -+#endif - proc_create("devices", 0, proc_bus_pci_dir, - &proc_bus_pci_dev_operations); - proc_initialized = 1; -diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c -index f30ca75..4bae5cb8 100644 ---- a/drivers/pci/setup-bus.c -+++ b/drivers/pci/setup-bus.c -@@ -406,8 +406,12 @@ static void __assign_resources_sorted(struct list_head *head, - - /* Update res in head list with add_size in realloc_head list */ - list_for_each_entry_safe(dev_res, tmp_res, head, list) { -- dev_res->res->end += get_res_add_size(realloc_head, -- dev_res->res); -+ resource_size_t add_size = get_res_add_size(realloc_head, dev_res->res); -+ -+ if (dev_res->res->start == 0 && dev_res->res->end == RESOURCE_SIZE_MAX) -+ dev_res->res->end = add_size - 1; -+ else -+ dev_res->res->end += get_res_add_size(realloc_head, dev_res->res); - - /* - * There are two kinds of additional resources in the list: -@@ -1120,7 +1124,7 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask, - return 0; - } - --unsigned long pci_cardbus_resource_alignment(struct resource *res) -+unsigned long pci_cardbus_resource_alignment(const struct resource *res) - { - if (res->flags & IORESOURCE_IO) - return pci_cardbus_io_size; -diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik.c b/drivers/pinctrl/nomadik/pinctrl-nomadik.c -index d318ca0..40fba01 100644 ---- a/drivers/pinctrl/nomadik/pinctrl-nomadik.c -+++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.c -@@ -1097,7 +1097,7 @@ static int nmk_gpio_probe(struct platform_device *dev) - struct device_node *np = dev->dev.of_node; - struct nmk_gpio_chip *nmk_chip; - struct gpio_chip *chip; -- struct irq_chip *irqchip; -+ irq_chip_no_const *irqchip; - int latent_irq; - bool supports_sleepmode; - int irq; -diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c -index 9f09041..5713a0e 100644 ---- a/drivers/pinctrl/pinctrl-at91.c -+++ b/drivers/pinctrl/pinctrl-at91.c -@@ -23,6 +23,7 @@ - #include - /* Since we request GPIOs from ourself */ - #include -+#include - - #include "pinctrl-at91.h" - #include "core.h" -@@ -1600,7 +1601,9 @@ static int at91_gpio_of_irq_setup(struct platform_device *pdev, - at91_gpio->pioc_hwirq = irqd_to_hwirq(d); - - /* Setup proper .irq_set_type function */ -- gpio_irqchip.irq_set_type = at91_gpio->ops->irq_type; -+ pax_open_kernel(); -+ const_cast(gpio_irqchip.irq_set_type) = at91_gpio->ops->irq_type; -+ pax_close_kernel(); - - /* Disable irqs of this PIO controller */ - writel_relaxed(~0, at91_gpio->regbase + PIO_IDR); -diff --git a/drivers/platform/chrome/chromeos_laptop.c b/drivers/platform/chrome/chromeos_laptop.c -index e8a44a9..d859973 100644 ---- a/drivers/platform/chrome/chromeos_laptop.c -+++ b/drivers/platform/chrome/chromeos_laptop.c -@@ -518,7 +518,7 @@ static struct chromeos_laptop cr48 = { - .callback = chromeos_laptop_dmi_matched, \ - .driver_data = (void *)&board_ - --static struct dmi_system_id chromeos_laptop_dmi_table[] __initdata = { -+static const struct dmi_system_id chromeos_laptop_dmi_table[] __initconst = { - { - .ident = "Samsung Series 5 550", - .matches = { -diff --git a/drivers/platform/chrome/chromeos_pstore.c b/drivers/platform/chrome/chromeos_pstore.c -index 308a853..b0693fd 100644 ---- a/drivers/platform/chrome/chromeos_pstore.c -+++ b/drivers/platform/chrome/chromeos_pstore.c -@@ -14,7 +14,7 @@ - #include - #include - --static struct dmi_system_id chromeos_pstore_dmi_table[] __initdata = { -+static const struct dmi_system_id chromeos_pstore_dmi_table[] __initconst = { - { - /* - * Today all Chromebooks/boxes ship with Google_* as version and -diff --git a/drivers/platform/chrome/cros_ec_lpc.c b/drivers/platform/chrome/cros_ec_lpc.c -index f9a2454..2759664 100644 ---- a/drivers/platform/chrome/cros_ec_lpc.c -+++ b/drivers/platform/chrome/cros_ec_lpc.c -@@ -300,7 +300,7 @@ static int cros_ec_lpc_remove(struct platform_device *pdev) - return 0; - } - --static struct dmi_system_id cros_ec_lpc_dmi_table[] __initdata = { -+static const struct dmi_system_id cros_ec_lpc_dmi_table[] __initconst = { - { - /* - * Today all Chromebooks/boxes ship with Google_* as version and -diff --git a/drivers/platform/x86/alienware-wmi.c b/drivers/platform/x86/alienware-wmi.c -index 0056294..8f8c2d5 100644 ---- a/drivers/platform/x86/alienware-wmi.c -+++ b/drivers/platform/x86/alienware-wmi.c -@@ -209,7 +209,7 @@ struct wmax_led_args { - } __packed; - - static struct platform_device *platform_device; --static struct device_attribute *zone_dev_attrs; -+static device_attribute_no_const *zone_dev_attrs; - static struct attribute **zone_attrs; - static struct platform_zone *zone_data; - -@@ -219,7 +219,7 @@ static struct platform_driver platform_driver = { - } - }; - --static struct attribute_group zone_attribute_group = { -+static attribute_group_no_const zone_attribute_group = { - .name = "rgb_zones", - }; - -diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c -index a66be13..124be13 100644 ---- a/drivers/platform/x86/apple-gmux.c -+++ b/drivers/platform/x86/apple-gmux.c -@@ -482,7 +482,7 @@ static int gmux_set_power_state(enum vga_switcheroo_client_id id, - return gmux_set_discrete_state(apple_gmux_data, state); - } - --static int gmux_get_client_id(struct pci_dev *pdev) -+static enum vga_switcheroo_client_id gmux_get_client_id(struct pci_dev *pdev) - { - /* - * Early Macbook Pros with switchable graphics use nvidia -diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c -index 8499d3a..5e2f9e4 100644 ---- a/drivers/platform/x86/asus-wmi.c -+++ b/drivers/platform/x86/asus-wmi.c -@@ -1900,6 +1900,10 @@ static int show_dsts(struct seq_file *m, void *data) - int err; - u32 retval = -1; - -+#ifdef CONFIG_GRKERNSEC_KMEM -+ return -EPERM; -+#endif -+ - err = asus_wmi_get_devstate(asus, asus->debug.dev_id, &retval); - - if (err < 0) -@@ -1916,6 +1920,10 @@ static int show_devs(struct seq_file *m, void *data) - int err; - u32 retval = -1; - -+#ifdef CONFIG_GRKERNSEC_KMEM -+ return -EPERM; -+#endif -+ - err = asus_wmi_set_devstate(asus->debug.dev_id, asus->debug.ctrl_param, - &retval); - -@@ -1940,6 +1948,10 @@ static int show_call(struct seq_file *m, void *data) - union acpi_object *obj; - acpi_status status; - -+#ifdef CONFIG_GRKERNSEC_KMEM -+ return -EPERM; -+#endif -+ - status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, - 1, asus->debug.method_id, - &input, &output); -diff --git a/drivers/platform/x86/compal-laptop.c b/drivers/platform/x86/compal-laptop.c -index e1c2b6d..8f25439 100644 ---- a/drivers/platform/x86/compal-laptop.c -+++ b/drivers/platform/x86/compal-laptop.c -@@ -805,7 +805,7 @@ static int dmi_check_cb_extra(const struct dmi_system_id *id) - return 1; - } - --static struct dmi_system_id __initdata compal_dmi_table[] = { -+static const struct dmi_system_id __initconst compal_dmi_table[] = { - { - .ident = "FL90/IFL90", - .matches = { -diff --git a/drivers/platform/x86/hdaps.c b/drivers/platform/x86/hdaps.c -index 458e6c9..089aee7 100644 ---- a/drivers/platform/x86/hdaps.c -+++ b/drivers/platform/x86/hdaps.c -@@ -514,7 +514,7 @@ static int __init hdaps_dmi_match_invert(const struct dmi_system_id *id) - "ThinkPad T42p", so the order of the entries matters. - If your ThinkPad is not recognized, please update to latest - BIOS. This is especially the case for some R52 ThinkPads. */ --static struct dmi_system_id __initdata hdaps_whitelist[] = { -+static const struct dmi_system_id __initconst hdaps_whitelist[] = { - HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad R50p", HDAPS_BOTH_AXES), - HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R50"), - HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R51"), -diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c -index c62e5e1..854b418 100644 ---- a/drivers/platform/x86/ibm_rtl.c -+++ b/drivers/platform/x86/ibm_rtl.c -@@ -227,7 +227,7 @@ static void rtl_teardown_sysfs(void) { - } - - --static struct dmi_system_id __initdata ibm_rtl_dmi_table[] = { -+static const struct dmi_system_id __initconst ibm_rtl_dmi_table[] = { - { \ - .matches = { \ - DMI_MATCH(DMI_SYS_VENDOR, "IBM"), \ -diff --git a/drivers/platform/x86/intel_oaktrail.c b/drivers/platform/x86/intel_oaktrail.c -index 6aa33c4..cfb5425 100644 ---- a/drivers/platform/x86/intel_oaktrail.c -+++ b/drivers/platform/x86/intel_oaktrail.c -@@ -299,7 +299,7 @@ static int dmi_check_cb(const struct dmi_system_id *id) - return 0; - } - --static struct dmi_system_id __initdata oaktrail_dmi_table[] = { -+static const struct dmi_system_id __initconst oaktrail_dmi_table[] = { - { - .ident = "OakTrail platform", - .matches = { -diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c -index 4231770..cbf93a6 100644 ---- a/drivers/platform/x86/msi-laptop.c -+++ b/drivers/platform/x86/msi-laptop.c -@@ -605,7 +605,7 @@ static int dmi_check_cb(const struct dmi_system_id *dmi) - return 1; - } - --static struct dmi_system_id __initdata msi_dmi_table[] = { -+static const struct dmi_system_id __initconst msi_dmi_table[] = { - { - .ident = "MSI S270", - .matches = { -@@ -1000,12 +1000,14 @@ static int __init load_scm_model_init(struct platform_device *sdev) - - if (!quirks->ec_read_only) { - /* allow userland write sysfs file */ -- dev_attr_bluetooth.store = store_bluetooth; -- dev_attr_wlan.store = store_wlan; -- dev_attr_threeg.store = store_threeg; -- dev_attr_bluetooth.attr.mode |= S_IWUSR; -- dev_attr_wlan.attr.mode |= S_IWUSR; -- dev_attr_threeg.attr.mode |= S_IWUSR; -+ pax_open_kernel(); -+ const_cast(dev_attr_bluetooth.store) = store_bluetooth; -+ const_cast(dev_attr_wlan.store) = store_wlan; -+ const_cast(dev_attr_threeg.store) = store_threeg; -+ const_cast(dev_attr_bluetooth.attr.mode) |= S_IWUSR; -+ const_cast(dev_attr_wlan.attr.mode) |= S_IWUSR; -+ const_cast(dev_attr_threeg.attr.mode) |= S_IWUSR; -+ pax_close_kernel(); - } - - /* disable hardware control by fn key */ -diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c -index 978e6d6..1f0b37d 100644 ---- a/drivers/platform/x86/msi-wmi.c -+++ b/drivers/platform/x86/msi-wmi.c -@@ -184,7 +184,7 @@ static const struct backlight_ops msi_backlight_ops = { - static void msi_wmi_notify(u32 value, void *context) - { - struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; -- static struct key_entry *key; -+ struct key_entry *key; - union acpi_object *obj; - acpi_status status; - -diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c -index 8c146e2..356c62e 100644 ---- a/drivers/platform/x86/samsung-laptop.c -+++ b/drivers/platform/x86/samsung-laptop.c -@@ -1567,7 +1567,7 @@ static int __init samsung_dmi_matched(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id __initdata samsung_dmi_table[] = { -+static const struct dmi_system_id __initconst samsung_dmi_table[] = { - { - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, -diff --git a/drivers/platform/x86/samsung-q10.c b/drivers/platform/x86/samsung-q10.c -index e6aac72..e11ff24 100644 ---- a/drivers/platform/x86/samsung-q10.c -+++ b/drivers/platform/x86/samsung-q10.c -@@ -95,7 +95,7 @@ static int __init dmi_check_callback(const struct dmi_system_id *id) - return 1; - } - --static struct dmi_system_id __initdata samsungq10_dmi_table[] = { -+static const struct dmi_system_id __initconst samsungq10_dmi_table[] = { - { - .ident = "Samsung Q10", - .matches = { -diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c -index c890a49..9545052 100644 ---- a/drivers/platform/x86/sony-laptop.c -+++ b/drivers/platform/x86/sony-laptop.c -@@ -2556,7 +2556,7 @@ static void sony_nc_gfx_switch_cleanup(struct platform_device *pd) - } - - /* High speed charging function */ --static struct device_attribute *hsc_handle; -+static device_attribute_no_const *hsc_handle; - - static ssize_t sony_nc_highspeed_charging_store(struct device *dev, - struct device_attribute *attr, -@@ -2630,7 +2630,7 @@ static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) - } - - /* low battery function */ --static struct device_attribute *lowbatt_handle; -+static device_attribute_no_const *lowbatt_handle; - - static ssize_t sony_nc_lowbatt_store(struct device *dev, - struct device_attribute *attr, -@@ -2696,7 +2696,7 @@ static void sony_nc_lowbatt_cleanup(struct platform_device *pd) - } - - /* fan speed function */ --static struct device_attribute *fan_handle, *hsf_handle; -+static device_attribute_no_const *fan_handle, *hsf_handle; - - static ssize_t sony_nc_hsfan_store(struct device *dev, - struct device_attribute *attr, -@@ -2803,7 +2803,7 @@ static void sony_nc_fanspeed_cleanup(struct platform_device *pd) - } - - /* USB charge function */ --static struct device_attribute *uc_handle; -+static device_attribute_no_const *uc_handle; - - static ssize_t sony_nc_usb_charge_store(struct device *dev, - struct device_attribute *attr, -@@ -2877,7 +2877,7 @@ static void sony_nc_usb_charge_cleanup(struct platform_device *pd) - } - - /* Panel ID function */ --static struct device_attribute *panel_handle; -+static device_attribute_no_const *panel_handle; - - static ssize_t sony_nc_panelid_show(struct device *dev, - struct device_attribute *attr, char *buffer) -@@ -2924,7 +2924,7 @@ static void sony_nc_panelid_cleanup(struct platform_device *pd) - } - - /* smart connect function */ --static struct device_attribute *sc_handle; -+static device_attribute_no_const *sc_handle; - - static ssize_t sony_nc_smart_conn_store(struct device *dev, - struct device_attribute *attr, -@@ -4880,7 +4880,7 @@ static struct acpi_driver sony_pic_driver = { - .drv.pm = &sony_pic_pm, - }; - --static struct dmi_system_id __initdata sonypi_dmi_table[] = { -+static const struct dmi_system_id __initconst sonypi_dmi_table[] = { - { - .ident = "Sony Vaio", - .matches = { -diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c -index b65ce75..d92001e 100644 ---- a/drivers/platform/x86/thinkpad_acpi.c -+++ b/drivers/platform/x86/thinkpad_acpi.c -@@ -2462,10 +2462,10 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn, - && !tp_features.bright_unkfw) - TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNHOME); - } -+} - - #undef TPACPI_COMPARE_KEY - #undef TPACPI_MAY_SEND_KEY --} - - /* - * Polling driver -@@ -4203,7 +4203,7 @@ static int bluetooth_get_status(void) - TPACPI_RFK_RADIO_ON : TPACPI_RFK_RADIO_OFF; - } - --static int bluetooth_set_status(enum tpacpi_rfkill_state state) -+static int bluetooth_set_status(const enum tpacpi_rfkill_state state) - { - int status; - -@@ -4391,7 +4391,7 @@ static int wan_get_status(void) - TPACPI_RFK_RADIO_ON : TPACPI_RFK_RADIO_OFF; - } - --static int wan_set_status(enum tpacpi_rfkill_state state) -+static int wan_set_status(const enum tpacpi_rfkill_state state) - { - int status; - -@@ -4577,7 +4577,7 @@ static int uwb_get_status(void) - TPACPI_RFK_RADIO_ON : TPACPI_RFK_RADIO_OFF; - } - --static int uwb_set_status(enum tpacpi_rfkill_state state) -+static int uwb_set_status(const enum tpacpi_rfkill_state state) - { - int status; - -@@ -9526,7 +9526,7 @@ static struct ibm_init_struct ibms_init[] __initdata = { - }, - }; - --static int __init set_ibm_param(const char *val, struct kernel_param *kp) -+static int __init set_ibm_param(const char *val, const struct kernel_param *kp) - { - unsigned int i; - struct ibm_struct *ibm; -diff --git a/drivers/platform/x86/toshiba-wmi.c b/drivers/platform/x86/toshiba-wmi.c -index 2df07ee..92dca69 100644 ---- a/drivers/platform/x86/toshiba-wmi.c -+++ b/drivers/platform/x86/toshiba-wmi.c -@@ -64,7 +64,7 @@ static void toshiba_wmi_notify(u32 value, void *context) - kfree(response.pointer); - } - --static struct dmi_system_id toshiba_wmi_dmi_table[] __initdata = { -+static const struct dmi_system_id toshiba_wmi_dmi_table[] __initconst = { - { - .ident = "Toshiba laptop", - .matches = { -diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h -index 3151fd1..12c5b20 100644 ---- a/drivers/pnp/base.h -+++ b/drivers/pnp/base.h -@@ -163,7 +163,7 @@ struct pnp_resource *pnp_add_resource(struct pnp_dev *dev, - struct resource *res); - struct pnp_resource *pnp_add_irq_resource(struct pnp_dev *dev, int irq, - int flags); --struct pnp_resource *pnp_add_dma_resource(struct pnp_dev *dev, int dma, -+struct pnp_resource *pnp_add_dma_resource(struct pnp_dev *dev, resource_size_t dma, - int flags); - struct pnp_resource *pnp_add_io_resource(struct pnp_dev *dev, - resource_size_t start, -diff --git a/drivers/pnp/pnpbios/bioscalls.c b/drivers/pnp/pnpbios/bioscalls.c -index 438d4c7..ca8a2fb 100644 ---- a/drivers/pnp/pnpbios/bioscalls.c -+++ b/drivers/pnp/pnpbios/bioscalls.c -@@ -59,7 +59,7 @@ do { \ - set_desc_limit(&gdt[(selname) >> 3], (size) - 1); \ - } while(0) - --static struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4092, -+static const struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4093, - (unsigned long)__va(0x400UL), PAGE_SIZE - 0x400 - 1); - - /* -@@ -96,7 +96,10 @@ static inline u16 call_pnp_bios(u16 func, u16 arg1, u16 arg2, u16 arg3, - - cpu = get_cpu(); - save_desc_40 = get_cpu_gdt_table(cpu)[0x40 / 8]; -+ -+ pax_open_kernel(); - get_cpu_gdt_table(cpu)[0x40 / 8] = bad_bios_desc; -+ pax_close_kernel(); - - /* On some boxes IRQ's during PnP BIOS calls are deadly. */ - spin_lock_irqsave(&pnp_bios_lock, flags); -@@ -134,7 +137,10 @@ static inline u16 call_pnp_bios(u16 func, u16 arg1, u16 arg2, u16 arg3, - :"memory"); - spin_unlock_irqrestore(&pnp_bios_lock, flags); - -+ pax_open_kernel(); - get_cpu_gdt_table(cpu)[0x40 / 8] = save_desc_40; -+ pax_close_kernel(); -+ - put_cpu(); - - /* If we get here and this is set then the PnP BIOS faulted on us. */ -@@ -468,7 +474,7 @@ int pnp_bios_read_escd(char *data, u32 nvram_base) - return status; - } - --void pnpbios_calls_init(union pnp_bios_install_struct *header) -+void __init pnpbios_calls_init(union pnp_bios_install_struct *header) - { - int i; - -@@ -476,6 +482,8 @@ void pnpbios_calls_init(union pnp_bios_install_struct *header) - pnp_bios_callpoint.offset = header->fields.pm16offset; - pnp_bios_callpoint.segment = PNP_CS16; - -+ pax_open_kernel(); -+ - for_each_possible_cpu(i) { - struct desc_struct *gdt = get_cpu_gdt_table(i); - if (!gdt) -@@ -487,4 +495,6 @@ void pnpbios_calls_init(union pnp_bios_install_struct *header) - set_desc_base(&gdt[GDT_ENTRY_PNPBIOS_DS], - (unsigned long)__va(header->fields.pm16dseg)); - } -+ -+ pax_close_kernel(); - } -diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c -index c38a5b9..6b3284c 100644 ---- a/drivers/pnp/pnpbios/core.c -+++ b/drivers/pnp/pnpbios/core.c -@@ -494,7 +494,7 @@ static int __init exploding_pnp_bios(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id pnpbios_dmi_table[] __initdata = { -+static const struct dmi_system_id pnpbios_dmi_table[] __initconst = { - { /* PnPBIOS GPF on boot */ - .callback = exploding_pnp_bios, - .ident = "Higraded P14H", -diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c -index f980ff7..77121c4 100644 ---- a/drivers/pnp/resource.c -+++ b/drivers/pnp/resource.c -@@ -543,7 +543,7 @@ struct pnp_resource *pnp_add_irq_resource(struct pnp_dev *dev, int irq, - return pnp_res; - } - --struct pnp_resource *pnp_add_dma_resource(struct pnp_dev *dev, int dma, -+struct pnp_resource *pnp_add_dma_resource(struct pnp_dev *dev, resource_size_t dma, - int flags) - { - struct pnp_resource *pnp_res; -@@ -551,7 +551,7 @@ struct pnp_resource *pnp_add_dma_resource(struct pnp_dev *dev, int dma, - - pnp_res = pnp_new_resource(dev); - if (!pnp_res) { -- dev_err(&dev->dev, "can't add resource for DMA %d\n", dma); -+ dev_err(&dev->dev, "can't add resource for DMA %lld\n", dma); - return NULL; - } - -diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c -index 1b5d450..b6042f8 100644 ---- a/drivers/power/reset/at91-reset.c -+++ b/drivers/power/reset/at91-reset.c -@@ -17,6 +17,7 @@ - #include - #include - #include -+#include - - #include - #include -@@ -206,7 +207,9 @@ static int __init at91_reset_probe(struct platform_device *pdev) - } - - match = of_match_node(at91_reset_of_match, pdev->dev.of_node); -- at91_restart_nb.notifier_call = match->data; -+ pax_open_kernel(); -+ const_cast(at91_restart_nb.notifier_call) = match->data; -+ pax_close_kernel(); - - sclk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(sclk)) -diff --git a/drivers/power/supply/pda_power.c b/drivers/power/supply/pda_power.c -index dfe1ee8..70ba235 100644 ---- a/drivers/power/supply/pda_power.c -+++ b/drivers/power/supply/pda_power.c -@@ -38,7 +38,11 @@ static struct power_supply *pda_psy_ac, *pda_psy_usb; - - #if IS_ENABLED(CONFIG_USB_PHY) - static struct usb_phy *transceiver; --static struct notifier_block otg_nb; -+static int otg_handle_notification(struct notifier_block *nb, -+ unsigned long event, void *unused); -+static struct notifier_block otg_nb = { -+ .notifier_call = otg_handle_notification, -+}; - #endif - - static struct regulator *ac_draw; -@@ -373,7 +377,6 @@ static int pda_power_probe(struct platform_device *pdev) - - #if IS_ENABLED(CONFIG_USB_PHY) - if (!IS_ERR_OR_NULL(transceiver) && pdata->use_otg_notifier) { -- otg_nb.notifier_call = otg_handle_notification; - ret = usb_register_notifier(transceiver, &otg_nb); - if (ret) { - dev_err(dev, "failure to register otg notifier\n"); -diff --git a/drivers/power/supply/power_supply.h b/drivers/power/supply/power_supply.h -index cc439fd..8fa30df 100644 ---- a/drivers/power/supply/power_supply.h -+++ b/drivers/power/supply/power_supply.h -@@ -16,12 +16,12 @@ struct power_supply; - - #ifdef CONFIG_SYSFS - --extern void power_supply_init_attrs(struct device_type *dev_type); -+extern void power_supply_init_attrs(void); - extern int power_supply_uevent(struct device *dev, struct kobj_uevent_env *env); - - #else - --static inline void power_supply_init_attrs(struct device_type *dev_type) {} -+static inline void power_supply_init_attrs(void) {} - #define power_supply_uevent NULL - - #endif /* CONFIG_SYSFS */ -diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c -index a74d8ca..c98d745 100644 ---- a/drivers/power/supply/power_supply_core.c -+++ b/drivers/power/supply/power_supply_core.c -@@ -28,7 +28,10 @@ EXPORT_SYMBOL_GPL(power_supply_class); - ATOMIC_NOTIFIER_HEAD(power_supply_notifier); - EXPORT_SYMBOL_GPL(power_supply_notifier); - --static struct device_type power_supply_dev_type; -+extern const struct attribute_group *power_supply_attr_groups[]; -+static struct device_type power_supply_dev_type = { -+ .groups = power_supply_attr_groups, -+}; - - #define POWER_SUPPLY_DEFERRED_REGISTER_TIME msecs_to_jiffies(10) - -@@ -969,7 +972,7 @@ static int __init power_supply_class_init(void) - return PTR_ERR(power_supply_class); - - power_supply_class->dev_uevent = power_supply_uevent; -- power_supply_init_attrs(&power_supply_dev_type); -+ power_supply_init_attrs(); - - return 0; - } -diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c -index bcde8d1..0406331 100644 ---- a/drivers/power/supply/power_supply_sysfs.c -+++ b/drivers/power/supply/power_supply_sysfs.c -@@ -239,17 +239,15 @@ static struct attribute_group power_supply_attr_group = { - .is_visible = power_supply_attr_is_visible, - }; - --static const struct attribute_group *power_supply_attr_groups[] = { -+const struct attribute_group *power_supply_attr_groups[] = { - &power_supply_attr_group, - NULL, - }; - --void power_supply_init_attrs(struct device_type *dev_type) -+void power_supply_init_attrs(void) - { - int i; - -- dev_type->groups = power_supply_attr_groups; -- - for (i = 0; i < ARRAY_SIZE(power_supply_attrs); i++) - __power_supply_attrs[i] = &power_supply_attrs[i].attr; - } -diff --git a/drivers/powercap/powercap_sys.c b/drivers/powercap/powercap_sys.c -index 14bde0d..9391277 100644 ---- a/drivers/powercap/powercap_sys.c -+++ b/drivers/powercap/powercap_sys.c -@@ -154,8 +154,77 @@ struct powercap_constraint_attr { - struct device_attribute name_attr; - }; - -+static ssize_t show_constraint_name(struct device *dev, -+ struct device_attribute *dev_attr, -+ char *buf); -+ - static struct powercap_constraint_attr -- constraint_attrs[MAX_CONSTRAINTS_PER_ZONE]; -+ constraint_attrs[MAX_CONSTRAINTS_PER_ZONE] = { -+ [0 ... MAX_CONSTRAINTS_PER_ZONE - 1] = { -+ .power_limit_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IWUSR | S_IRUGO -+ }, -+ .show = show_constraint_power_limit_uw, -+ .store = store_constraint_power_limit_uw -+ }, -+ -+ .time_window_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IWUSR | S_IRUGO -+ }, -+ .show = show_constraint_time_window_us, -+ .store = store_constraint_time_window_us -+ }, -+ -+ .max_power_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IRUGO -+ }, -+ .show = show_constraint_max_power_uw, -+ .store = NULL -+ }, -+ -+ .min_power_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IRUGO -+ }, -+ .show = show_constraint_min_power_uw, -+ .store = NULL -+ }, -+ -+ .max_time_window_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IRUGO -+ }, -+ .show = show_constraint_max_time_window_us, -+ .store = NULL -+ }, -+ -+ .min_time_window_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IRUGO -+ }, -+ .show = show_constraint_min_time_window_us, -+ .store = NULL -+ }, -+ -+ .name_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IRUGO -+ }, -+ .show = show_constraint_name, -+ .store = NULL -+ } -+ } -+}; - - /* A list of powercap control_types */ - static LIST_HEAD(powercap_cntrl_list); -@@ -193,23 +262,16 @@ static ssize_t show_constraint_name(struct device *dev, - } - - static int create_constraint_attribute(int id, const char *name, -- int mode, -- struct device_attribute *dev_attr, -- ssize_t (*show)(struct device *, -- struct device_attribute *, char *), -- ssize_t (*store)(struct device *, -- struct device_attribute *, -- const char *, size_t) -- ) -+ struct device_attribute *dev_attr) - { -+ name = kasprintf(GFP_KERNEL, "constraint_%d_%s", id, name); - -- dev_attr->attr.name = kasprintf(GFP_KERNEL, "constraint_%d_%s", -- id, name); -- if (!dev_attr->attr.name) -+ if (!name) - return -ENOMEM; -- dev_attr->attr.mode = mode; -- dev_attr->show = show; -- dev_attr->store = store; -+ -+ pax_open_kernel(); -+ const_cast(dev_attr->attr.name) = name; -+ pax_close_kernel(); - - return 0; - } -@@ -236,49 +298,31 @@ static int seed_constraint_attributes(void) - - for (i = 0; i < MAX_CONSTRAINTS_PER_ZONE; ++i) { - ret = create_constraint_attribute(i, "power_limit_uw", -- S_IWUSR | S_IRUGO, -- &constraint_attrs[i].power_limit_attr, -- show_constraint_power_limit_uw, -- store_constraint_power_limit_uw); -+ &constraint_attrs[i].power_limit_attr); - if (ret) - goto err_alloc; - ret = create_constraint_attribute(i, "time_window_us", -- S_IWUSR | S_IRUGO, -- &constraint_attrs[i].time_window_attr, -- show_constraint_time_window_us, -- store_constraint_time_window_us); -+ &constraint_attrs[i].time_window_attr); - if (ret) - goto err_alloc; -- ret = create_constraint_attribute(i, "name", S_IRUGO, -- &constraint_attrs[i].name_attr, -- show_constraint_name, -- NULL); -+ ret = create_constraint_attribute(i, "name", -+ &constraint_attrs[i].name_attr); - if (ret) - goto err_alloc; -- ret = create_constraint_attribute(i, "max_power_uw", S_IRUGO, -- &constraint_attrs[i].max_power_attr, -- show_constraint_max_power_uw, -- NULL); -+ ret = create_constraint_attribute(i, "max_power_uw", -+ &constraint_attrs[i].max_power_attr); - if (ret) - goto err_alloc; -- ret = create_constraint_attribute(i, "min_power_uw", S_IRUGO, -- &constraint_attrs[i].min_power_attr, -- show_constraint_min_power_uw, -- NULL); -+ ret = create_constraint_attribute(i, "min_power_uw", -+ &constraint_attrs[i].min_power_attr); - if (ret) - goto err_alloc; - ret = create_constraint_attribute(i, "max_time_window_us", -- S_IRUGO, -- &constraint_attrs[i].max_time_window_attr, -- show_constraint_max_time_window_us, -- NULL); -+ &constraint_attrs[i].max_time_window_attr); - if (ret) - goto err_alloc; - ret = create_constraint_attribute(i, "min_time_window_us", -- S_IRUGO, -- &constraint_attrs[i].min_time_window_attr, -- show_constraint_min_time_window_us, -- NULL); -+ &constraint_attrs[i].min_time_window_attr); - if (ret) - goto err_alloc; - -@@ -378,10 +422,12 @@ static void create_power_zone_common_attributes( - power_zone->zone_dev_attrs[count++] = - &dev_attr_max_energy_range_uj.attr; - if (power_zone->ops->get_energy_uj) { -+ pax_open_kernel(); - if (power_zone->ops->reset_energy_uj) -- dev_attr_energy_uj.attr.mode = S_IWUSR | S_IRUGO; -+ const_cast(dev_attr_energy_uj.attr.mode) = S_IWUSR | S_IRUGO; - else -- dev_attr_energy_uj.attr.mode = S_IRUGO; -+ const_cast(dev_attr_energy_uj.attr.mode) = S_IRUGO; -+ pax_close_kernel(); - power_zone->zone_dev_attrs[count++] = - &dev_attr_energy_uj.attr; - } -diff --git a/drivers/ptp/ptp_private.h b/drivers/ptp/ptp_private.h -index 9c5d414..c7900ce 100644 ---- a/drivers/ptp/ptp_private.h -+++ b/drivers/ptp/ptp_private.h -@@ -51,7 +51,7 @@ struct ptp_clock { - struct mutex pincfg_mux; /* protect concurrent info->pin_config access */ - wait_queue_head_t tsev_wq; - int defunct; /* tells readers to go away when clock is being removed */ -- struct device_attribute *pin_dev_attr; -+ device_attribute_no_const *pin_dev_attr; - struct attribute **pin_attr; - struct attribute_group pin_attr_group; - }; -diff --git a/drivers/ptp/ptp_sysfs.c b/drivers/ptp/ptp_sysfs.c -index 302e626..12579af 100644 ---- a/drivers/ptp/ptp_sysfs.c -+++ b/drivers/ptp/ptp_sysfs.c -@@ -280,7 +280,7 @@ static int ptp_populate_pins(struct ptp_clock *ptp) - goto no_pin_attr; - - for (i = 0; i < n_pins; i++) { -- struct device_attribute *da = &ptp->pin_dev_attr[i]; -+ device_attribute_no_const *da = &ptp->pin_dev_attr[i]; - sysfs_attr_init(&da->attr); - da->attr.name = info->pin_config[i].name; - da->attr.mode = 0644; -diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c -index 9faccfc..8e0e4af 100644 ---- a/drivers/regulator/core.c -+++ b/drivers/regulator/core.c -@@ -3916,7 +3916,7 @@ regulator_register(const struct regulator_desc *regulator_desc, - const struct regulation_constraints *constraints = NULL; - const struct regulator_init_data *init_data; - struct regulator_config *config = NULL; -- static atomic_t regulator_no = ATOMIC_INIT(-1); -+ static atomic_unchecked_t regulator_no = ATOMIC_INIT(-1); - struct regulator_dev *rdev; - struct device *dev; - int ret, i; -@@ -4009,7 +4009,7 @@ regulator_register(const struct regulator_desc *regulator_desc, - rdev->dev.class = ®ulator_class; - rdev->dev.parent = dev; - dev_set_name(&rdev->dev, "regulator.%lu", -- (unsigned long) atomic_inc_return(®ulator_no)); -+ (unsigned long) atomic_inc_return_unchecked(®ulator_no)); - - /* set regulator constraints */ - if (init_data) -diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c -index b87f62d..34f1cdf 100644 ---- a/drivers/regulator/max8660.c -+++ b/drivers/regulator/max8660.c -@@ -423,8 +423,10 @@ static int max8660_probe(struct i2c_client *client, - max8660->shadow_regs[MAX8660_OVER1] = 5; - } else { - /* Otherwise devices can be toggled via software */ -- max8660_dcdc_ops.enable = max8660_dcdc_enable; -- max8660_dcdc_ops.disable = max8660_dcdc_disable; -+ pax_open_kernel(); -+ const_cast(max8660_dcdc_ops.enable) = max8660_dcdc_enable; -+ const_cast(max8660_dcdc_ops.disable) = max8660_dcdc_disable; -+ pax_close_kernel(); - } - - /* -diff --git a/drivers/regulator/max8973-regulator.c b/drivers/regulator/max8973-regulator.c -index e0c747a..c6eb788 100644 ---- a/drivers/regulator/max8973-regulator.c -+++ b/drivers/regulator/max8973-regulator.c -@@ -751,9 +751,11 @@ static int max8973_probe(struct i2c_client *client, - if (!pdata->enable_ext_control) { - max->desc.enable_reg = MAX8973_VOUT; - max->desc.enable_mask = MAX8973_VOUT_ENABLE; -- max->ops.enable = regulator_enable_regmap; -- max->ops.disable = regulator_disable_regmap; -- max->ops.is_enabled = regulator_is_enabled_regmap; -+ pax_open_kernel(); -+ const_cast(max->ops.enable) = regulator_enable_regmap; -+ const_cast(max->ops.disable) = regulator_disable_regmap; -+ const_cast(max->ops.is_enabled) = regulator_is_enabled_regmap; -+ pax_close_kernel(); - break; - } - -@@ -781,9 +783,11 @@ static int max8973_probe(struct i2c_client *client, - - max->desc.enable_reg = MAX8973_VOUT; - max->desc.enable_mask = MAX8973_VOUT_ENABLE; -- max->ops.enable = regulator_enable_regmap; -- max->ops.disable = regulator_disable_regmap; -- max->ops.is_enabled = regulator_is_enabled_regmap; -+ pax_open_kernel(); -+ const_cast(max->ops.enable) = regulator_enable_regmap; -+ const_cast(max->ops.disable) = regulator_disable_regmap; -+ const_cast(max->ops.is_enabled) = regulator_is_enabled_regmap; -+ pax_close_kernel(); - max->ops.set_current_limit = max8973_set_current_limit; - max->ops.get_current_limit = max8973_get_current_limit; - break; -diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c -index 0d17c92..ce5897e 100644 ---- a/drivers/regulator/mc13892-regulator.c -+++ b/drivers/regulator/mc13892-regulator.c -@@ -584,10 +584,12 @@ static int mc13892_regulator_probe(struct platform_device *pdev) - mc13xxx_unlock(mc13892); - - /* update mc13892_vcam ops */ -- memcpy(&mc13892_vcam_ops, mc13892_regulators[MC13892_VCAM].desc.ops, -+ pax_open_kernel(); -+ memcpy((void *)&mc13892_vcam_ops, mc13892_regulators[MC13892_VCAM].desc.ops, - sizeof(struct regulator_ops)); -- mc13892_vcam_ops.set_mode = mc13892_vcam_set_mode, -- mc13892_vcam_ops.get_mode = mc13892_vcam_get_mode, -+ const_cast(mc13892_vcam_ops.set_mode) = mc13892_vcam_set_mode, -+ const_cast(mc13892_vcam_ops.get_mode) = mc13892_vcam_get_mode, -+ pax_close_kernel(); - mc13892_regulators[MC13892_VCAM].desc.ops = &mc13892_vcam_ops; - - mc13xxx_data = mc13xxx_parse_regulators_dt(pdev, mc13892_regulators, -diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c -index c6bfb349..89b08e1 100644 ---- a/drivers/remoteproc/remoteproc_core.c -+++ b/drivers/remoteproc/remoteproc_core.c -@@ -323,9 +323,10 @@ void rproc_free_vring(struct rproc_vring *rvring) - * - * Returns 0 on success, or an appropriate error code otherwise - */ --static int rproc_handle_vdev(struct rproc *rproc, struct fw_rsc_vdev *rsc, -+static int rproc_handle_vdev(struct rproc *rproc, void *_rsc, - int offset, int avail) - { -+ struct fw_rsc_vdev *rsc = _rsc; - struct device *dev = &rproc->dev; - struct rproc_vdev *rvdev; - int i, ret; -@@ -400,9 +401,10 @@ static int rproc_handle_vdev(struct rproc *rproc, struct fw_rsc_vdev *rsc, - * - * Returns 0 on success, or an appropriate error code otherwise - */ --static int rproc_handle_trace(struct rproc *rproc, struct fw_rsc_trace *rsc, -+static int rproc_handle_trace(struct rproc *rproc, void *_rsc, - int offset, int avail) - { -+ struct fw_rsc_trace *rsc = _rsc; - struct rproc_mem_entry *trace; - struct device *dev = &rproc->dev; - void *ptr; -@@ -480,9 +482,10 @@ static int rproc_handle_trace(struct rproc *rproc, struct fw_rsc_trace *rsc, - * and not allow firmwares to request access to physical addresses that - * are outside those ranges. - */ --static int rproc_handle_devmem(struct rproc *rproc, struct fw_rsc_devmem *rsc, -+static int rproc_handle_devmem(struct rproc *rproc, void *_rsc, - int offset, int avail) - { -+ struct fw_rsc_devmem *rsc = _rsc; - struct rproc_mem_entry *mapping; - struct device *dev = &rproc->dev; - int ret; -@@ -552,9 +555,10 @@ static int rproc_handle_devmem(struct rproc *rproc, struct fw_rsc_devmem *rsc, - * pressure is important; it may have a substantial impact on performance. - */ - static int rproc_handle_carveout(struct rproc *rproc, -- struct fw_rsc_carveout *rsc, -+ void *_rsc, - int offset, int avail) - { -+ struct fw_rsc_carveout *rsc = _rsc; - struct rproc_mem_entry *carveout, *mapping; - struct device *dev = &rproc->dev; - dma_addr_t dma; -@@ -673,9 +677,11 @@ static int rproc_handle_carveout(struct rproc *rproc, - return ret; - } - --static int rproc_count_vrings(struct rproc *rproc, struct fw_rsc_vdev *rsc, -+static int rproc_count_vrings(struct rproc *rproc, void *_rsc, - int offset, int avail) - { -+ struct fw_rsc_vdev *rsc = _rsc; -+ - /* Summarize the number of notification IDs */ - rproc->max_notifyid += rsc->num_of_vrings; - -@@ -687,14 +693,14 @@ static int rproc_count_vrings(struct rproc *rproc, struct fw_rsc_vdev *rsc, - * enum fw_resource_type. - */ - static rproc_handle_resource_t rproc_loading_handlers[RSC_LAST] = { -- [RSC_CARVEOUT] = (rproc_handle_resource_t)rproc_handle_carveout, -- [RSC_DEVMEM] = (rproc_handle_resource_t)rproc_handle_devmem, -- [RSC_TRACE] = (rproc_handle_resource_t)rproc_handle_trace, -- [RSC_VDEV] = (rproc_handle_resource_t)rproc_count_vrings, -+ [RSC_CARVEOUT] = rproc_handle_carveout, -+ [RSC_DEVMEM] = rproc_handle_devmem, -+ [RSC_TRACE] = rproc_handle_trace, -+ [RSC_VDEV] = rproc_count_vrings, - }; - - static rproc_handle_resource_t rproc_vdev_handler[RSC_LAST] = { -- [RSC_VDEV] = (rproc_handle_resource_t)rproc_handle_vdev, -+ [RSC_VDEV] = rproc_handle_vdev, - }; - - /* handle firmware resource entries before booting the remote processor */ -diff --git a/drivers/rtc/rtc-armada38x.c b/drivers/rtc/rtc-armada38x.c -index 9a3f2a6..c19b00a 100644 ---- a/drivers/rtc/rtc-armada38x.c -+++ b/drivers/rtc/rtc-armada38x.c -@@ -18,6 +18,7 @@ - #include - #include - #include -+#include - - #define RTC_STATUS 0x0 - #define RTC_STATUS_ALARM1 BIT(0) -@@ -246,8 +247,10 @@ static __init int armada38x_rtc_probe(struct platform_device *pdev) - * If there is no interrupt available then we can't - * use the alarm - */ -- armada38x_rtc_ops.set_alarm = NULL; -- armada38x_rtc_ops.alarm_irq_enable = NULL; -+ pax_open_kernel(); -+ const_cast(armada38x_rtc_ops.set_alarm) = NULL; -+ const_cast(armada38x_rtc_ops.alarm_irq_enable) = NULL; -+ pax_close_kernel(); - } - platform_set_drvdata(pdev, rtc); - if (rtc->irq != -1) -diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c -index 7030d7c..eafd7ef3 100644 ---- a/drivers/rtc/rtc-cmos.c -+++ b/drivers/rtc/rtc-cmos.c -@@ -736,7 +736,9 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq) - } - - /* export at least the first block of NVRAM */ -- nvram.size = address_space - NVRAM_OFFSET; -+ pax_open_kernel(); -+ const_cast(nvram.size) = address_space - NVRAM_OFFSET; -+ pax_close_kernel(); - retval = sysfs_create_bin_file(&dev->kobj, &nvram); - if (retval < 0) { - dev_dbg(dev, "can't create nvram file? %d\n", retval); -diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c -index a6d9434..dc26b71 100644 ---- a/drivers/rtc/rtc-dev.c -+++ b/drivers/rtc/rtc-dev.c -@@ -16,6 +16,7 @@ - #include - #include - #include -+#include - #include "rtc-core.h" - - static dev_t rtc_devt; -@@ -347,6 +348,8 @@ static long rtc_dev_ioctl(struct file *file, - if (copy_from_user(&tm, uarg, sizeof(tm))) - return -EFAULT; - -+ gr_log_timechange(); -+ - return rtc_set_time(rtc, &tm); - - case RTC_PIE_ON: -diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c -index 4e31036..4cfe2af 100644 ---- a/drivers/rtc/rtc-ds1307.c -+++ b/drivers/rtc/rtc-ds1307.c -@@ -111,7 +111,7 @@ struct ds1307 { - u8 offset; /* register's offset */ - u8 regs[11]; - u16 nvram_offset; -- struct bin_attribute *nvram; -+ bin_attribute_no_const *nvram; - enum ds_type type; - unsigned long flags; - #define HAS_NVRAM 0 /* bit 0 == sysfs file active */ -diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c -index 58698d2..8560ebf 100644 ---- a/drivers/rtc/rtc-m41t80.c -+++ b/drivers/rtc/rtc-m41t80.c -@@ -798,9 +798,11 @@ static int m41t80_probe(struct i2c_client *client, - dev_warn(&client->dev, "unable to request IRQ, alarms disabled\n"); - client->irq = 0; - } else { -- m41t80_rtc_ops.read_alarm = m41t80_read_alarm; -- m41t80_rtc_ops.set_alarm = m41t80_set_alarm; -- m41t80_rtc_ops.alarm_irq_enable = m41t80_alarm_irq_enable; -+ pax_open_kernel(); -+ const_cast(m41t80_rtc_ops.read_alarm) = m41t80_read_alarm; -+ const_cast(m41t80_rtc_ops.set_alarm) = m41t80_set_alarm; -+ const_cast(m41t80_rtc_ops.alarm_irq_enable) = m41t80_alarm_irq_enable; -+ pax_close_kernel(); - /* Enable the wakealarm */ - device_init_wakeup(&client->dev, true); - } -diff --git a/drivers/rtc/rtc-m48t59.c b/drivers/rtc/rtc-m48t59.c -index d99a705..99654e7 100644 ---- a/drivers/rtc/rtc-m48t59.c -+++ b/drivers/rtc/rtc-m48t59.c -@@ -485,7 +485,9 @@ static int m48t59_rtc_probe(struct platform_device *pdev) - if (IS_ERR(m48t59->rtc)) - return PTR_ERR(m48t59->rtc); - -- m48t59_nvram_attr.size = pdata->offset; -+ pax_open_kernel(); -+ const_cast(m48t59_nvram_attr.size) = pdata->offset; -+ pax_close_kernel(); - - ret = sysfs_create_bin_file(&pdev->dev.kobj, &m48t59_nvram_attr); - if (ret) -diff --git a/drivers/rtc/rtc-rv3029c2.c b/drivers/rtc/rtc-rv3029c2.c -index 1f9f7b4..6f87883 100644 ---- a/drivers/rtc/rtc-rv3029c2.c -+++ b/drivers/rtc/rtc-rv3029c2.c -@@ -832,9 +832,11 @@ static int rv3029_probe(struct device *dev, struct regmap *regmap, int irq, - dev_warn(dev, "unable to request IRQ, alarms disabled\n"); - rv3029->irq = 0; - } else { -- rv3029_rtc_ops.read_alarm = rv3029_read_alarm; -- rv3029_rtc_ops.set_alarm = rv3029_set_alarm; -- rv3029_rtc_ops.alarm_irq_enable = rv3029_alarm_irq_enable; -+ pax_open_kernel(); -+ const_cast(rv3029_rtc_ops.read_alarm) = rv3029_read_alarm; -+ const_cast(rv3029_rtc_ops.set_alarm) = rv3029_set_alarm; -+ const_cast(rv3029_rtc_ops.alarm_irq_enable) = rv3029_alarm_irq_enable; -+ pax_close_kernel(); - } - } - -diff --git a/drivers/rtc/rtc-rv8803.c b/drivers/rtc/rtc-rv8803.c -index f9277e5..a1296a3 100644 ---- a/drivers/rtc/rtc-rv8803.c -+++ b/drivers/rtc/rtc-rv8803.c -@@ -536,6 +536,15 @@ static int rx8900_trickle_charger_init(struct rv8803_data *rv8803) - flags); - } - -+static struct rtc_class_ops rv8803_rtc_alarm_ops = { -+ .read_time = rv8803_get_time, -+ .set_time = rv8803_set_time, -+ .ioctl = rv8803_ioctl, -+ .read_alarm = rv8803_get_alarm, -+ .set_alarm = rv8803_set_alarm, -+ .alarm_irq_enable = rv8803_alarm_irq_enable, -+}; -+ - static int rv8803_probe(struct i2c_client *client, - const struct i2c_device_id *id) - { -@@ -580,15 +589,11 @@ static int rv8803_probe(struct i2c_client *client, - if (err) { - dev_warn(&client->dev, "unable to request IRQ, alarms disabled\n"); - client->irq = 0; -- } else { -- rv8803_rtc_ops.read_alarm = rv8803_get_alarm; -- rv8803_rtc_ops.set_alarm = rv8803_set_alarm; -- rv8803_rtc_ops.alarm_irq_enable = rv8803_alarm_irq_enable; - } - } - - rv8803->rtc = devm_rtc_device_register(&client->dev, client->name, -- &rv8803_rtc_ops, THIS_MODULE); -+ client->irq > 0 ? &rv8803_rtc_alarm_ops : &rv8803_rtc_ops, THIS_MODULE); - if (IS_ERR(rv8803->rtc)) { - dev_err(&client->dev, "unable to register the class device\n"); - return PTR_ERR(rv8803->rtc); -diff --git a/drivers/rtc/rtc-rx8010.c b/drivers/rtc/rtc-rx8010.c -index 7163b91..d7a2c31 100644 ---- a/drivers/rtc/rtc-rx8010.c -+++ b/drivers/rtc/rtc-rx8010.c -@@ -483,9 +483,11 @@ static int rx8010_probe(struct i2c_client *client, - dev_err(&client->dev, "unable to request IRQ\n"); - client->irq = 0; - } else { -- rx8010_rtc_ops.read_alarm = rx8010_read_alarm; -- rx8010_rtc_ops.set_alarm = rx8010_set_alarm; -- rx8010_rtc_ops.alarm_irq_enable = rx8010_alarm_irq_enable; -+ pax_open_kernel(); -+ const_cast(rx8010_rtc_ops.read_alarm) = rx8010_read_alarm; -+ const_cast(rx8010_rtc_ops.set_alarm) = rx8010_set_alarm; -+ const_cast(rx8010_rtc_ops.alarm_irq_enable) = rx8010_alarm_irq_enable; -+ pax_close_kernel(); - } - } - -diff --git a/drivers/rtc/rtc-test.c b/drivers/rtc/rtc-test.c -index 3a2da4c..1d1d4b1 100644 ---- a/drivers/rtc/rtc-test.c -+++ b/drivers/rtc/rtc-test.c -@@ -112,8 +112,10 @@ static int test_probe(struct platform_device *plat_dev) - struct rtc_device *rtc; - - if (test_mmss64) { -- test_rtc_ops.set_mmss64 = test_rtc_set_mmss64; -- test_rtc_ops.set_mmss = NULL; -+ pax_open_kernel(); -+ const_cast(test_rtc_ops.set_mmss64) = test_rtc_set_mmss64; -+ const_cast(test_rtc_ops.set_mmss) = NULL; -+ pax_close_kernel(); - } - - rtc = devm_rtc_device_register(&plat_dev->dev, "test", -diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c -index 272cb6c..43eaab9 100644 ---- a/drivers/s390/char/tty3270.c -+++ b/drivers/s390/char/tty3270.c -@@ -1035,7 +1035,7 @@ tty3270_open(struct tty_struct *tty, struct file *filp) - struct tty3270 *tp = tty->driver_data; - struct tty_port *port = &tp->port; - -- port->count++; -+ atomic_inc(&port->count); - tty_port_tty_set(port, tty); - return 0; - } -diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c -index 6678d1f..0293b70 100644 ---- a/drivers/scsi/aacraid/aachba.c -+++ b/drivers/scsi/aacraid/aachba.c -@@ -770,6 +770,11 @@ static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd) - return 0; - } - -+static void aac_probe_container_scsi_done(struct scsi_cmnd * scsicmd) -+{ -+ scsicmd->device = NULL; -+} -+ - int aac_probe_container(struct aac_dev *dev, int cid) - { - struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL); -@@ -782,7 +787,7 @@ int aac_probe_container(struct aac_dev *dev, int cid) - return -ENOMEM; - } - scsicmd->list.next = NULL; -- scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1; -+ scsicmd->scsi_done = aac_probe_container_scsi_done; - - scsicmd->device = scsidev; - scsidev->sdev_state = 0; -diff --git a/drivers/scsi/aic7xxx/aic79xx.h b/drivers/scsi/aic7xxx/aic79xx.h -index d47b527..f2c4a89 100644 ---- a/drivers/scsi/aic7xxx/aic79xx.h -+++ b/drivers/scsi/aic7xxx/aic79xx.h -@@ -1046,7 +1046,7 @@ typedef enum { - - typedef uint8_t ahd_mode_state; - --typedef void ahd_callback_t (void *); -+typedef void ahd_linux_callback_t (u_long); - - struct ahd_completion - { -diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c -index 109e2c9..7d3c9b5 100644 ---- a/drivers/scsi/aic7xxx/aic79xx_core.c -+++ b/drivers/scsi/aic7xxx/aic79xx_core.c -@@ -207,7 +207,7 @@ static void ahd_add_scb_to_free_list(struct ahd_softc *ahd, - static u_int ahd_rem_wscb(struct ahd_softc *ahd, u_int scbid, - u_int prev, u_int next, u_int tid); - static void ahd_reset_current_bus(struct ahd_softc *ahd); --static ahd_callback_t ahd_stat_timer; -+static ahd_linux_callback_t ahd_stat_timer; - #ifdef AHD_DUMP_SEQ - static void ahd_dumpseq(struct ahd_softc *ahd); - #endif -@@ -7041,10 +7041,9 @@ static const char *termstat_strings[] = { - /***************************** Timer Facilities *******************************/ - #define ahd_timer_init init_timer - #define ahd_timer_stop del_timer_sync --typedef void ahd_linux_callback_t (u_long); - - static void --ahd_timer_reset(ahd_timer_t *timer, int usec, ahd_callback_t *func, void *arg) -+ahd_timer_reset(ahd_timer_t *timer, int usec, ahd_linux_callback_t *func, void *arg) - { - struct ahd_softc *ahd; - -@@ -7052,7 +7051,7 @@ ahd_timer_reset(ahd_timer_t *timer, int usec, ahd_callback_t *func, void *arg) - del_timer(timer); - timer->data = (u_long)arg; - timer->expires = jiffies + (usec * HZ)/1000000; -- timer->function = (ahd_linux_callback_t*)func; -+ timer->function = func; - add_timer(timer); - } - -@@ -8878,9 +8877,9 @@ ahd_reset_channel(struct ahd_softc *ahd, char channel, int initiate_reset) - - /**************************** Statistics Processing ***************************/ - static void --ahd_stat_timer(void *arg) -+ahd_stat_timer(unsigned long arg) - { -- struct ahd_softc *ahd = arg; -+ struct ahd_softc *ahd = (struct ahd_softc *)arg; - u_long s; - int enint_coal; - -diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c -index d9239c2..dc556c3 100644 ---- a/drivers/scsi/be2iscsi/be_main.c -+++ b/drivers/scsi/be2iscsi/be_main.c -@@ -5547,7 +5547,7 @@ static void beiscsi_recover_port(struct work_struct *work) - } - - static pci_ers_result_t beiscsi_eeh_err_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct beiscsi_hba *phba = NULL; - -diff --git a/drivers/scsi/bfa/bfa.h b/drivers/scsi/bfa/bfa.h -index 0e119d8..1bf8a49 100644 ---- a/drivers/scsi/bfa/bfa.h -+++ b/drivers/scsi/bfa/bfa.h -@@ -225,8 +225,10 @@ struct bfa_faa_args_s { - bfa_boolean_t busy; - }; - -+enum iocfc_event; -+ - struct bfa_iocfc_s { -- bfa_fsm_t fsm; -+ void (*fsm)(struct bfa_iocfc_s *, enum iocfc_event); - struct bfa_s *bfa; - struct bfa_iocfc_cfg_s cfg; - u32 req_cq_pi[BFI_IOC_MAX_CQS]; -diff --git a/drivers/scsi/bfa/bfa_core.c b/drivers/scsi/bfa/bfa_core.c -index 7209afa..2450c125 100644 ---- a/drivers/scsi/bfa/bfa_core.c -+++ b/drivers/scsi/bfa/bfa_core.c -@@ -1919,15 +1919,13 @@ bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q) - struct list_head *qe; - struct list_head *qen; - struct bfa_cb_qe_s *hcb_qe; -- bfa_cb_cbfn_status_t cbfn; - - list_for_each_safe(qe, qen, comp_q) { - hcb_qe = (struct bfa_cb_qe_s *) qe; - if (hcb_qe->pre_rmv) { - /* qe is invalid after return, dequeue before cbfn() */ - list_del(qe); -- cbfn = (bfa_cb_cbfn_status_t)(hcb_qe->cbfn); -- cbfn(hcb_qe->cbarg, hcb_qe->fw_status); -+ hcb_qe->cbfn(hcb_qe->cbarg, hcb_qe->fw_status); - } else - hcb_qe->cbfn(hcb_qe->cbarg, BFA_TRUE); - } -diff --git a/drivers/scsi/bfa/bfa_cs.h b/drivers/scsi/bfa/bfa_cs.h -index df6760c..3b22f4d 100644 ---- a/drivers/scsi/bfa/bfa_cs.h -+++ b/drivers/scsi/bfa/bfa_cs.h -@@ -184,8 +184,6 @@ bfa_q_is_on_q_func(struct list_head *q, struct list_head *qe) - * @ BFA state machine interfaces - */ - --typedef void (*bfa_sm_t)(void *sm, int event); -- - /* - * oc - object class eg. bfa_ioc - * st - state, eg. reset -@@ -195,20 +193,75 @@ typedef void (*bfa_sm_t)(void *sm, int event); - #define bfa_sm_state_decl(oc, st, otype, etype) \ - static void oc ## _sm_ ## st(otype * fsm, etype event) - --#define bfa_sm_set_state(_sm, _state) ((_sm)->sm = (bfa_sm_t)(_state)) -+#define bfa_sm_set_state(_sm, _state) ((_sm)->sm = (_state)) - #define bfa_sm_send_event(_sm, _event) ((_sm)->sm((_sm), (_event))) - #define bfa_sm_get_state(_sm) ((_sm)->sm) --#define bfa_sm_cmp_state(_sm, _state) ((_sm)->sm == (bfa_sm_t)(_state)) -+#define bfa_sm_cmp_state(_sm, _state) ((_sm)->sm == (_state)) - - /* - * For converting from state machine function to state encoding. - */ --struct bfa_sm_table_s { -- bfa_sm_t sm; /* state machine function */ -+struct bfa_iocpf_s; -+enum iocpf_event; -+typedef void (*bfa_fsm_iocpf_t)(struct bfa_iocpf_s *, enum iocpf_event); -+ -+struct iocpf_sm_table_s { -+ bfa_fsm_iocpf_t sm; /* state machine function */ - int state; /* state machine encoding */ - char *name; /* state name for display */ - }; --#define BFA_SM(_sm) ((bfa_sm_t)(_sm)) -+ -+struct bfa_ioc_s; -+enum ioc_event; -+typedef void (*bfa_fsm_ioc_t)(struct bfa_ioc_s *, enum ioc_event); -+ -+struct ioc_sm_table_s { -+ bfa_fsm_ioc_t sm; /* state machine function */ -+ int state; /* state machine encoding */ -+ char *name; /* state name for display */ -+}; -+ -+struct bfa_fcs_rport_s; -+enum rport_event; -+typedef void(*bfa_fcs_rport_t)(struct bfa_fcs_rport_s *, enum rport_event); -+ -+struct rport_sm_table_s { -+ bfa_fcs_rport_t sm; /* state machine function */ -+ int state; /* state machine encoding */ -+ char *name; /* state name for display */ -+}; -+ -+struct bfa_fcs_vport_s; -+enum bfa_fcs_vport_event; -+typedef void(*bfa_fcs_vport_t)(struct bfa_fcs_vport_s *, enum bfa_fcs_vport_event); -+ -+struct vport_sm_table_s { -+ bfa_fcs_vport_t sm; /* state machine function */ -+ int state; /* state machine encoding */ -+ char *name; /* state name for display */ -+}; -+ -+struct bfa_fcs_itnim_s; -+enum bfa_fcs_itnim_event; -+typedef void(*bfa_fcs_itnim_t)(struct bfa_fcs_itnim_s *, enum bfa_fcs_itnim_event); -+ -+struct itnim_sm_table_s { -+ bfa_fcs_itnim_t sm; /* state machine function */ -+ int state; /* state machine encoding */ -+ char *name; /* state name for display */ -+}; -+ -+struct bfa_fcport_s; -+enum bfa_fcport_sm_event; -+typedef void(*bfa_fcport_t)(struct bfa_fcport_s *, enum bfa_fcport_sm_event); -+ -+struct fcport_sm_table_s { -+ bfa_fcport_t sm; /* state machine function */ -+ int state; /* state machine encoding */ -+ char *name; /* state name for display */ -+}; -+ -+#define BFA_SM(_sm) (_sm) - - /* - * State machine with entry actions. -@@ -226,17 +279,66 @@ typedef void (*bfa_fsm_t)(void *fsm, int event); - static void oc ## _sm_ ## st ## _entry(otype * fsm) - - #define bfa_fsm_set_state(_fsm, _state) do { \ -- (_fsm)->fsm = (bfa_fsm_t)(_state); \ -+ (_fsm)->fsm = (_state); \ - _state ## _entry(_fsm); \ - } while (0) - - #define bfa_fsm_send_event(_fsm, _event) ((_fsm)->fsm((_fsm), (_event))) - #define bfa_fsm_get_state(_fsm) ((_fsm)->fsm) --#define bfa_fsm_cmp_state(_fsm, _state) \ -- ((_fsm)->fsm == (bfa_fsm_t)(_state)) -+#define bfa_fsm_cmp_state(_fsm, _state) ((_fsm)->fsm == (_state)) - - static inline int --bfa_sm_to_state(struct bfa_sm_table_s *smt, bfa_sm_t sm) -+iocpf_sm_to_state(struct iocpf_sm_table_s *smt, bfa_fsm_iocpf_t sm) -+{ -+ int i = 0; -+ -+ while (smt[i].sm && smt[i].sm != sm) -+ i++; -+ return smt[i].state; -+} -+ -+static inline int -+ioc_sm_to_state(struct ioc_sm_table_s *smt, bfa_fsm_ioc_t sm) -+{ -+ int i = 0; -+ -+ while (smt[i].sm && smt[i].sm != sm) -+ i++; -+ return smt[i].state; -+} -+ -+static inline int -+rport_sm_to_state(struct rport_sm_table_s *smt, bfa_fcs_rport_t sm) -+{ -+ int i = 0; -+ -+ while (smt[i].sm && smt[i].sm != sm) -+ i++; -+ return smt[i].state; -+} -+ -+static inline int -+vport_sm_to_state(struct vport_sm_table_s *smt, bfa_fcs_vport_t sm) -+{ -+ int i = 0; -+ -+ while (smt[i].sm && smt[i].sm != sm) -+ i++; -+ return smt[i].state; -+} -+ -+static inline int -+itnim_sm_to_state(struct itnim_sm_table_s *smt, bfa_fcs_itnim_t sm) -+{ -+ int i = 0; -+ -+ while (smt[i].sm && smt[i].sm != sm) -+ i++; -+ return smt[i].state; -+} -+ -+static inline int -+fcport_sm_to_state(struct fcport_sm_table_s *smt, bfa_fcport_t sm) - { - int i = 0; - -diff --git a/drivers/scsi/bfa/bfa_fcpim.h b/drivers/scsi/bfa/bfa_fcpim.h -index e93921d..ee6b4c0 100644 ---- a/drivers/scsi/bfa/bfa_fcpim.h -+++ b/drivers/scsi/bfa/bfa_fcpim.h -@@ -37,7 +37,7 @@ struct bfa_iotag_s { - - struct bfa_itn_s { - bfa_isr_func_t isr; --}; -+} __no_const; - - void bfa_itn_create(struct bfa_s *bfa, struct bfa_rport_s *rport, - void (*isr)(struct bfa_s *bfa, struct bfi_msg_s *m)); -@@ -165,9 +165,11 @@ struct bfa_fcp_mod_s { - /* - * BFA IO (initiator mode) - */ -+enum bfa_ioim_event; -+ - struct bfa_ioim_s { - struct list_head qe; /* queue elememt */ -- bfa_sm_t sm; /* BFA ioim state machine */ -+ void (*sm)(struct bfa_ioim_s *, enum bfa_ioim_event);/* BFA ioim state machine */ - struct bfa_s *bfa; /* BFA module */ - struct bfa_fcpim_s *fcpim; /* parent fcpim module */ - struct bfa_itnim_s *itnim; /* i-t-n nexus for this IO */ -@@ -197,9 +199,11 @@ struct bfa_ioim_sp_s { - /* - * BFA Task management command (initiator mode) - */ -+enum bfa_tskim_event; -+ - struct bfa_tskim_s { - struct list_head qe; -- bfa_sm_t sm; -+ void (*sm)(struct bfa_tskim_s *, enum bfa_tskim_event); - struct bfa_s *bfa; /* BFA module */ - struct bfa_fcpim_s *fcpim; /* parent fcpim module */ - struct bfa_itnim_s *itnim; /* i-t-n nexus for this IO */ -@@ -219,9 +223,11 @@ struct bfa_tskim_s { - /* - * BFA i-t-n (initiator mode) - */ -+enum bfa_itnim_event; -+ - struct bfa_itnim_s { - struct list_head qe; /* queue element */ -- bfa_sm_t sm; /* i-t-n im BFA state machine */ -+ void (*sm)(struct bfa_itnim_s *, enum bfa_itnim_event);/* i-t-n im BFA state machine */ - struct bfa_s *bfa; /* bfa instance */ - struct bfa_rport_s *rport; /* bfa rport */ - void *ditn; /* driver i-t-n structure */ -diff --git a/drivers/scsi/bfa/bfa_fcs.c b/drivers/scsi/bfa/bfa_fcs.c -index 1e7e139..c2031dd 100644 ---- a/drivers/scsi/bfa/bfa_fcs.c -+++ b/drivers/scsi/bfa/bfa_fcs.c -@@ -39,10 +39,21 @@ struct bfa_fcs_mod_s { - #define BFA_FCS_MODULE(_mod) { _mod ## _modinit, _mod ## _modexit } - - static struct bfa_fcs_mod_s fcs_modules[] = { -- { bfa_fcs_port_attach, NULL, NULL }, -- { bfa_fcs_uf_attach, NULL, NULL }, -- { bfa_fcs_fabric_attach, bfa_fcs_fabric_modinit, -- bfa_fcs_fabric_modexit }, -+ { -+ .attach = bfa_fcs_port_attach, -+ .modinit = NULL, -+ .modexit = NULL -+ }, -+ { -+ .attach = bfa_fcs_uf_attach, -+ .modinit = NULL, -+ .modexit = NULL -+ }, -+ { -+ .attach = bfa_fcs_fabric_attach, -+ .modinit = bfa_fcs_fabric_modinit, -+ .modexit = bfa_fcs_fabric_modexit -+ }, - }; - - /* -diff --git a/drivers/scsi/bfa/bfa_fcs.h b/drivers/scsi/bfa/bfa_fcs.h -index 0f797a5..73b170a 100644 ---- a/drivers/scsi/bfa/bfa_fcs.h -+++ b/drivers/scsi/bfa/bfa_fcs.h -@@ -67,8 +67,10 @@ struct bfa_fcs_s; - #define BFA_FCS_PID_IS_WKA(pid) ((bfa_ntoh3b(pid) > 0xFFF000) ? 1 : 0) - #define BFA_FCS_MAX_RPORT_LOGINS 1024 - -+enum vport_ns_event; -+ - struct bfa_fcs_lport_ns_s { -- bfa_sm_t sm; /* state machine */ -+ void (*sm)(struct bfa_fcs_lport_ns_s *, enum vport_ns_event);/* state machine */ - struct bfa_timer_s timer; - struct bfa_fcs_lport_s *port; /* parent port */ - struct bfa_fcxp_s *fcxp; -@@ -77,18 +79,20 @@ struct bfa_fcs_lport_ns_s { - u8 num_rsnn_nn_retries; - }; - -+enum port_scn_event; - - struct bfa_fcs_lport_scn_s { -- bfa_sm_t sm; /* state machine */ -+ void (*sm)(struct bfa_fcs_lport_scn_s *, enum port_scn_event);/* state machine */ - struct bfa_timer_s timer; - struct bfa_fcs_lport_s *port; /* parent port */ - struct bfa_fcxp_s *fcxp; - struct bfa_fcxp_wqe_s fcxp_wqe; - }; - -+enum port_fdmi_event; - - struct bfa_fcs_lport_fdmi_s { -- bfa_sm_t sm; /* state machine */ -+ void (*sm)(struct bfa_fcs_lport_fdmi_s *, enum port_fdmi_event);/* state machine */ - struct bfa_timer_s timer; - struct bfa_fcs_lport_ms_s *ms; /* parent ms */ - struct bfa_fcxp_s *fcxp; -@@ -97,9 +101,10 @@ struct bfa_fcs_lport_fdmi_s { - u8 rsvd[3]; - }; - -+enum port_ms_event; - - struct bfa_fcs_lport_ms_s { -- bfa_sm_t sm; /* state machine */ -+ void (*sm)(struct bfa_fcs_lport_ms_s *, enum port_ms_event);/* state machine */ - struct bfa_timer_s timer; - struct bfa_fcs_lport_s *port; /* parent port */ - struct bfa_fcxp_s *fcxp; -@@ -139,10 +144,11 @@ union bfa_fcs_lport_topo_u { - struct bfa_fcs_lport_n2n_s pn2n; - }; - -+enum bfa_fcs_lport_event; - - struct bfa_fcs_lport_s { - struct list_head qe; /* used by port/vport */ -- bfa_sm_t sm; /* state machine */ -+ void (*sm)(struct bfa_fcs_lport_s *, enum bfa_fcs_lport_event); /* state machine */ - struct bfa_fcs_fabric_s *fabric; /* parent fabric */ - struct bfa_lport_cfg_s port_cfg; /* port configuration */ - struct bfa_timer_s link_timer; /* timer for link offline */ -@@ -179,10 +185,11 @@ enum bfa_fcs_fabric_type { - BFA_FCS_FABRIC_LOOP = 3, - }; - -+enum bfa_fcs_fabric_event; - - struct bfa_fcs_fabric_s { - struct list_head qe; /* queue element */ -- bfa_sm_t sm; /* state machine */ -+ void (*sm)(struct bfa_fcs_fabric_s *, enum bfa_fcs_fabric_event); /* state machine */ - struct bfa_fcs_s *fcs; /* FCS instance */ - struct bfa_fcs_lport_s bport; /* base logical port */ - enum bfa_fcs_fabric_type fab_type; /* fabric type */ -@@ -355,9 +362,11 @@ void bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port, - struct fchs_s *rx_frame, u32 len); - void bfa_fcs_lport_lip_scn_online(bfa_fcs_lport_t *port); - -+enum bfa_fcs_vport_event; -+ - struct bfa_fcs_vport_s { - struct list_head qe; /* queue elem */ -- bfa_sm_t sm; /* state machine */ -+ void (*sm)(struct bfa_fcs_vport_s *, enum bfa_fcs_vport_event);/* state machine */ - bfa_fcs_lport_t lport; /* logical port */ - struct bfa_timer_s timer; - struct bfad_vport_s *vport_drv; /* Driver private */ -@@ -409,8 +418,10 @@ struct bfa_fcs_tin_s; - struct bfa_fcs_iprp_s; - - /* Rport Features (RPF) */ -+enum rpf_event; -+ - struct bfa_fcs_rpf_s { -- bfa_sm_t sm; /* state machine */ -+ void (*sm)(struct bfa_fcs_rpf_s *, enum rpf_event); /* state machine */ - struct bfa_fcs_rport_s *rport; /* parent rport */ - struct bfa_timer_s timer; /* general purpose timer */ - struct bfa_fcxp_s *fcxp; /* FCXP needed for discarding */ -@@ -425,6 +436,8 @@ struct bfa_fcs_rpf_s { - */ - }; - -+enum rport_event; -+ - struct bfa_fcs_rport_s { - struct list_head qe; /* used by port/vport */ - struct bfa_fcs_lport_s *port; /* parent FCS port */ -@@ -441,7 +454,7 @@ struct bfa_fcs_rport_s { - wwn_t pwwn; /* port wwn of rport */ - wwn_t nwwn; /* node wwn of rport */ - struct bfa_rport_symname_s psym_name; /* port symbolic name */ -- bfa_sm_t sm; /* state machine */ -+ void (*sm)(struct bfa_fcs_rport_s *, enum rport_event); /* state machine */ - struct bfa_timer_s timer; /* general purpose timer */ - struct bfa_fcs_itnim_s *itnim; /* ITN initiator mode role */ - struct bfa_fcs_tin_s *tin; /* ITN initiator mode role */ -@@ -502,9 +515,10 @@ void bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport); - * forward declarations - */ - struct bfad_itnim_s; -+enum bfa_fcs_itnim_event; - - struct bfa_fcs_itnim_s { -- bfa_sm_t sm; /* state machine */ -+ void (*sm)(struct bfa_fcs_itnim_s *, enum bfa_fcs_itnim_event);/* state machine */ - struct bfa_fcs_rport_s *rport; /* parent remote rport */ - struct bfad_itnim_s *itnim_drv; /* driver peer instance */ - struct bfa_fcs_s *fcs; /* fcs instance */ -diff --git a/drivers/scsi/bfa/bfa_fcs_fcpim.c b/drivers/scsi/bfa/bfa_fcs_fcpim.c -index 2e3b19e..7a9b729 100644 ---- a/drivers/scsi/bfa/bfa_fcs_fcpim.c -+++ b/drivers/scsi/bfa/bfa_fcs_fcpim.c -@@ -60,7 +60,7 @@ static void bfa_fcs_itnim_sm_hcb_offline(struct bfa_fcs_itnim_s *itnim, - static void bfa_fcs_itnim_sm_initiator(struct bfa_fcs_itnim_s *itnim, - enum bfa_fcs_itnim_event event); - --static struct bfa_sm_table_s itnim_sm_table[] = { -+static struct itnim_sm_table_s itnim_sm_table[] = { - {BFA_SM(bfa_fcs_itnim_sm_offline), BFA_ITNIM_OFFLINE}, - {BFA_SM(bfa_fcs_itnim_sm_prli_send), BFA_ITNIM_PRLI_SEND}, - {BFA_SM(bfa_fcs_itnim_sm_prli), BFA_ITNIM_PRLI_SENT}, -@@ -673,7 +673,7 @@ bfa_status_t - bfa_fcs_itnim_get_online_state(struct bfa_fcs_itnim_s *itnim) - { - bfa_trc(itnim->fcs, itnim->rport->pid); -- switch (bfa_sm_to_state(itnim_sm_table, itnim->sm)) { -+ switch (itnim_sm_to_state(itnim_sm_table, itnim->sm)) { - case BFA_ITNIM_ONLINE: - case BFA_ITNIM_INITIATIOR: - return BFA_STATUS_OK; -@@ -773,7 +773,7 @@ bfa_fcs_itnim_attr_get(struct bfa_fcs_lport_s *port, wwn_t rpwwn, - if (itnim == NULL) - return BFA_STATUS_NO_FCPIM_NEXUS; - -- attr->state = bfa_sm_to_state(itnim_sm_table, itnim->sm); -+ attr->state = itnim_sm_to_state(itnim_sm_table, itnim->sm); - attr->retry = itnim->seq_rec; - attr->rec_support = itnim->rec_support; - attr->conf_comp = itnim->conf_comp; -diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c -index 4ddda72..ccf40a3 100644 ---- a/drivers/scsi/bfa/bfa_fcs_lport.c -+++ b/drivers/scsi/bfa/bfa_fcs_lport.c -@@ -90,15 +90,26 @@ static struct { - void (*offline) (struct bfa_fcs_lport_s *port); - } __port_action[] = { - { -- bfa_fcs_lport_unknown_init, bfa_fcs_lport_unknown_online, -- bfa_fcs_lport_unknown_offline}, { -- bfa_fcs_lport_fab_init, bfa_fcs_lport_fab_online, -- bfa_fcs_lport_fab_offline}, { -- bfa_fcs_lport_n2n_init, bfa_fcs_lport_n2n_online, -- bfa_fcs_lport_n2n_offline}, { -- bfa_fcs_lport_loop_init, bfa_fcs_lport_loop_online, -- bfa_fcs_lport_loop_offline}, -- }; -+ .init = bfa_fcs_lport_unknown_init, -+ .online = bfa_fcs_lport_unknown_online, -+ .offline = bfa_fcs_lport_unknown_offline -+ }, -+ { -+ .init = bfa_fcs_lport_fab_init, -+ .online = bfa_fcs_lport_fab_online, -+ .offline = bfa_fcs_lport_fab_offline -+ }, -+ { -+ .init = bfa_fcs_lport_n2n_init, -+ .online = bfa_fcs_lport_n2n_online, -+ .offline = bfa_fcs_lport_n2n_offline -+ }, -+ { -+ .init = bfa_fcs_lport_loop_init, -+ .online = bfa_fcs_lport_loop_online, -+ .offline = bfa_fcs_lport_loop_offline -+ }, -+}; - - /* - * fcs_port_sm FCS logical port state machine -@@ -6040,7 +6051,7 @@ static void bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport, - static void bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport, - enum bfa_fcs_vport_event event); - --static struct bfa_sm_table_s vport_sm_table[] = { -+static struct vport_sm_table_s vport_sm_table[] = { - {BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT}, - {BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED}, - {BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE}, -@@ -6871,7 +6882,7 @@ bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport, - memset(attr, 0, sizeof(struct bfa_vport_attr_s)); - - bfa_fcs_lport_get_attr(&vport->lport, &attr->port_attr); -- attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm); -+ attr->vport_state = vport_sm_to_state(vport_sm_table, vport->sm); - } - - -diff --git a/drivers/scsi/bfa/bfa_fcs_rport.c b/drivers/scsi/bfa/bfa_fcs_rport.c -index de50349..6d676be 100644 ---- a/drivers/scsi/bfa/bfa_fcs_rport.c -+++ b/drivers/scsi/bfa/bfa_fcs_rport.c -@@ -144,7 +144,7 @@ static void bfa_fcs_rport_sm_fc4_off_delete(struct bfa_fcs_rport_s *rport, - static void bfa_fcs_rport_sm_delete_pending(struct bfa_fcs_rport_s *rport, - enum rport_event event); - --static struct bfa_sm_table_s rport_sm_table[] = { -+static struct rport_sm_table_s rport_sm_table[] = { - {BFA_SM(bfa_fcs_rport_sm_uninit), BFA_RPORT_UNINIT}, - {BFA_SM(bfa_fcs_rport_sm_plogi_sending), BFA_RPORT_PLOGI}, - {BFA_SM(bfa_fcs_rport_sm_plogiacc_sending), BFA_RPORT_ONLINE}, -@@ -2980,7 +2980,7 @@ bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, - int - bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport) - { -- return bfa_sm_to_state(rport_sm_table, rport->sm); -+ return rport_sm_to_state(rport_sm_table, rport->sm); - } - - -diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c -index a1ada4a..6ed9ba2 100644 ---- a/drivers/scsi/bfa/bfa_ioc.c -+++ b/drivers/scsi/bfa/bfa_ioc.c -@@ -148,7 +148,7 @@ bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc_s, enum ioc_event); - bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc_s, enum ioc_event); - bfa_fsm_state_decl(bfa_ioc, hwfail, struct bfa_ioc_s, enum ioc_event); - --static struct bfa_sm_table_s ioc_sm_table[] = { -+static struct ioc_sm_table_s ioc_sm_table[] = { - {BFA_SM(bfa_ioc_sm_uninit), BFA_IOC_UNINIT}, - {BFA_SM(bfa_ioc_sm_reset), BFA_IOC_RESET}, - {BFA_SM(bfa_ioc_sm_enabling), BFA_IOC_ENABLING}, -@@ -236,7 +236,7 @@ bfa_fsm_state_decl(bfa_iocpf, disabling_sync, struct bfa_iocpf_s, - enum iocpf_event); - bfa_fsm_state_decl(bfa_iocpf, disabled, struct bfa_iocpf_s, enum iocpf_event); - --static struct bfa_sm_table_s iocpf_sm_table[] = { -+static struct iocpf_sm_table_s iocpf_sm_table[] = { - {BFA_SM(bfa_iocpf_sm_reset), BFA_IOCPF_RESET}, - {BFA_SM(bfa_iocpf_sm_fwcheck), BFA_IOCPF_FWMISMATCH}, - {BFA_SM(bfa_iocpf_sm_mismatch), BFA_IOCPF_FWMISMATCH}, -@@ -2830,12 +2830,12 @@ enum bfa_ioc_state - bfa_ioc_get_state(struct bfa_ioc_s *ioc) - { - enum bfa_iocpf_state iocpf_st; -- enum bfa_ioc_state ioc_st = bfa_sm_to_state(ioc_sm_table, ioc->fsm); -+ enum bfa_ioc_state ioc_st = ioc_sm_to_state(ioc_sm_table, ioc->fsm); - - if (ioc_st == BFA_IOC_ENABLING || - ioc_st == BFA_IOC_FAIL || ioc_st == BFA_IOC_INITFAIL) { - -- iocpf_st = bfa_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm); -+ iocpf_st = iocpf_sm_to_state(iocpf_sm_table, ioc->iocpf.fsm); - - switch (iocpf_st) { - case BFA_IOCPF_SEMWAIT: -diff --git a/drivers/scsi/bfa/bfa_ioc.h b/drivers/scsi/bfa/bfa_ioc.h -index 713745d..78b9671 100644 ---- a/drivers/scsi/bfa/bfa_ioc.h -+++ b/drivers/scsi/bfa/bfa_ioc.h -@@ -259,7 +259,7 @@ struct bfa_ioc_cbfn_s { - bfa_ioc_disable_cbfn_t disable_cbfn; - bfa_ioc_hbfail_cbfn_t hbfail_cbfn; - bfa_ioc_reset_cbfn_t reset_cbfn; --}; -+} __no_const; - - /* - * IOC event notification mechanism. -@@ -286,16 +286,20 @@ struct bfa_ioc_notify_s { - (__notify)->cbarg = (__cbarg); \ - } while (0) - -+enum iocpf_event; -+ - struct bfa_iocpf_s { -- bfa_fsm_t fsm; -+ void (*fsm)(struct bfa_iocpf_s *, enum iocpf_event); - struct bfa_ioc_s *ioc; - bfa_boolean_t fw_mismatch_notified; - bfa_boolean_t auto_recover; - u32 poll_time; - }; - -+enum ioc_event; -+ - struct bfa_ioc_s { -- bfa_fsm_t fsm; -+ void (*fsm)(struct bfa_ioc_s *, enum ioc_event); - struct bfa_s *bfa; - struct bfa_pcidev_s pcidev; - struct bfa_timer_mod_s *timer_mod; -@@ -353,7 +357,7 @@ struct bfa_ioc_hwif_s { - void (*ioc_set_alt_fwstate) (struct bfa_ioc_s *ioc, - enum bfi_ioc_state fwstate); - enum bfi_ioc_state (*ioc_get_alt_fwstate) (struct bfa_ioc_s *ioc); --}; -+} __no_const; - - /* - * Queue element to wait for room in request queue. FIFO order is -@@ -779,8 +783,10 @@ struct bfa_dconf_s { - }; - #pragma pack() - -+enum bfa_dconf_event; -+ - struct bfa_dconf_mod_s { -- bfa_sm_t sm; -+ void (*sm)(struct bfa_dconf_mod_s *, enum bfa_dconf_event); - u8 instance; - bfa_boolean_t read_data_valid; - bfa_boolean_t min_cfg; -diff --git a/drivers/scsi/bfa/bfa_modules.h b/drivers/scsi/bfa/bfa_modules.h -index 53135f2..640621b 100644 ---- a/drivers/scsi/bfa/bfa_modules.h -+++ b/drivers/scsi/bfa/bfa_modules.h -@@ -79,12 +79,12 @@ enum { - \ - extern struct bfa_module_s hal_mod_ ## __mod; \ - struct bfa_module_s hal_mod_ ## __mod = { \ -- bfa_ ## __mod ## _meminfo, \ -- bfa_ ## __mod ## _attach, \ -- bfa_ ## __mod ## _detach, \ -- bfa_ ## __mod ## _start, \ -- bfa_ ## __mod ## _stop, \ -- bfa_ ## __mod ## _iocdisable, \ -+ .meminfo = bfa_ ## __mod ## _meminfo, \ -+ .attach = bfa_ ## __mod ## _attach, \ -+ .detach = bfa_ ## __mod ## _detach, \ -+ .start = bfa_ ## __mod ## _start, \ -+ .stop = bfa_ ## __mod ## _stop, \ -+ .iocdisable = bfa_ ## __mod ## _iocdisable, \ - } - - #define BFA_CACHELINE_SZ (256) -diff --git a/drivers/scsi/bfa/bfa_svc.c b/drivers/scsi/bfa/bfa_svc.c -index 12de292..ec9f0ab 100644 ---- a/drivers/scsi/bfa/bfa_svc.c -+++ b/drivers/scsi/bfa/bfa_svc.c -@@ -225,7 +225,7 @@ static void bfa_fcport_ln_sm_up_dn_nf(struct bfa_fcport_ln_s *ln, - static void bfa_fcport_ln_sm_up_dn_up_nf(struct bfa_fcport_ln_s *ln, - enum bfa_fcport_ln_sm_event event); - --static struct bfa_sm_table_s hal_port_sm_table[] = { -+static struct fcport_sm_table_s hal_port_sm_table[] = { - {BFA_SM(bfa_fcport_sm_uninit), BFA_PORT_ST_UNINIT}, - {BFA_SM(bfa_fcport_sm_enabling_qwait), BFA_PORT_ST_ENABLING_QWAIT}, - {BFA_SM(bfa_fcport_sm_enabling), BFA_PORT_ST_ENABLING}, -@@ -3642,7 +3642,7 @@ bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg) - fcport->event_arg.i2hmsg = i2hmsg; - - bfa_trc(bfa, msg->mhdr.msg_id); -- bfa_trc(bfa, bfa_sm_to_state(hal_port_sm_table, fcport->sm)); -+ bfa_trc(bfa, fcport_sm_to_state(hal_port_sm_table, fcport->sm)); - - switch (msg->mhdr.msg_id) { - case BFI_FCPORT_I2H_ENABLE_RSP: -@@ -4077,7 +4077,7 @@ bfa_fcport_get_attr(struct bfa_s *bfa, struct bfa_port_attr_s *attr) - - attr->pport_cfg.path_tov = bfa_fcpim_path_tov_get(bfa); - attr->pport_cfg.q_depth = bfa_fcpim_qdepth_get(bfa); -- attr->port_state = bfa_sm_to_state(hal_port_sm_table, fcport->sm); -+ attr->port_state = fcport_sm_to_state(hal_port_sm_table, fcport->sm); - - attr->fec_state = fcport->fec_state; - -@@ -4159,7 +4159,7 @@ bfa_fcport_is_disabled(struct bfa_s *bfa) - { - struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); - -- return bfa_sm_to_state(hal_port_sm_table, fcport->sm) == -+ return fcport_sm_to_state(hal_port_sm_table, fcport->sm) == - BFA_PORT_ST_DISABLED; - - } -@@ -4169,7 +4169,7 @@ bfa_fcport_is_dport(struct bfa_s *bfa) - { - struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); - -- return (bfa_sm_to_state(hal_port_sm_table, fcport->sm) == -+ return (fcport_sm_to_state(hal_port_sm_table, fcport->sm) == - BFA_PORT_ST_DPORT); - } - -@@ -4178,7 +4178,7 @@ bfa_fcport_is_ddport(struct bfa_s *bfa) - { - struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); - -- return (bfa_sm_to_state(hal_port_sm_table, fcport->sm) == -+ return (fcport_sm_to_state(hal_port_sm_table, fcport->sm) == - BFA_PORT_ST_DDPORT); - } - -diff --git a/drivers/scsi/bfa/bfa_svc.h b/drivers/scsi/bfa/bfa_svc.h -index ea2278b..6f51a73 100644 ---- a/drivers/scsi/bfa/bfa_svc.h -+++ b/drivers/scsi/bfa/bfa_svc.h -@@ -160,6 +160,8 @@ struct bfa_fcxp_rsp_info_s { - u32 rsp_maxlen; /* max response length expected */ - }; - -+typedef void (*bfa_sm_t)(void *sm, int event); -+ - struct bfa_fcxp_s { - struct list_head qe; /* fcxp queue element */ - bfa_sm_t sm; /* state machine */ -@@ -295,9 +297,11 @@ struct bfa_rport_info_s { - /* - * BFA rport data structure - */ -+enum bfa_rport_event; -+ - struct bfa_rport_s { - struct list_head qe; /* queue element */ -- bfa_sm_t sm; /* state machine */ -+ void (*sm)(struct bfa_rport_s *, enum bfa_rport_event);/* state machine */ - struct bfa_s *bfa; /* backpointer to BFA */ - void *rport_drv; /* fcs/driver rport object */ - u16 fw_handle; /* firmware rport handle */ -@@ -388,10 +392,12 @@ void bfa_uf_res_recfg(struct bfa_s *bfa, u16 num_uf_fw); - /* - * LPS - bfa lport login/logout service interface - */ -+enum bfa_lps_event; -+ - struct bfa_lps_s { - struct list_head qe; /* queue element */ - struct bfa_s *bfa; /* parent bfa instance */ -- bfa_sm_t sm; /* finite state machine */ -+ void (*sm)(struct bfa_lps_s *, enum bfa_lps_event);/* finite state machine */ - u8 bfa_tag; /* lport tag */ - u8 fw_tag; /* lport fw tag */ - u8 reqq; /* lport request queue */ -@@ -450,9 +456,11 @@ void bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); - /* - * Link notification data structure - */ -+enum bfa_fcport_ln_sm_event; -+ - struct bfa_fcport_ln_s { - struct bfa_fcport_s *fcport; -- bfa_sm_t sm; -+ void (*sm)(struct bfa_fcport_ln_s *, enum bfa_fcport_ln_sm_event); - struct bfa_cb_qe_s ln_qe; /* BFA callback queue elem for ln */ - enum bfa_port_linkstate ln_event; /* ln event for callback */ - }; -@@ -466,7 +474,7 @@ struct bfa_fcport_trunk_s { - */ - struct bfa_fcport_s { - struct bfa_s *bfa; /* parent BFA instance */ -- bfa_sm_t sm; /* port state machine */ -+ void (*sm)(struct bfa_fcport_s *, enum bfa_fcport_sm_event); /* port state machine */ - wwn_t nwwn; /* node wwn of physical port */ - wwn_t pwwn; /* port wwn of physical oprt */ - enum bfa_port_speed speed_sup; -@@ -714,9 +722,11 @@ struct bfa_fcdiag_lb_s { - u32 status; - }; - -+enum bfa_dport_sm_event; -+ - struct bfa_dport_s { - struct bfa_s *bfa; /* Back pointer to BFA */ -- bfa_sm_t sm; /* finite state machine */ -+ void (*sm)(struct bfa_dport_s *, enum bfa_dport_sm_event);/* finite state machine */ - struct bfa_reqq_wait_s reqq_wait; - bfa_cb_diag_t cbfn; - void *cbarg; -diff --git a/drivers/scsi/bfa/bfad.c b/drivers/scsi/bfa/bfad.c -index 9d253cb..bb533ea 100644 ---- a/drivers/scsi/bfa/bfad.c -+++ b/drivers/scsi/bfa/bfad.c -@@ -408,6 +408,16 @@ bfad_hcb_comp(void *arg, bfa_status_t status) - complete(&fcomp->comp); - } - -+void -+bfad_stats_comp(void *arg, bfa_boolean_t _status) -+{ -+ struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg; -+ bfa_status_t status = (bfa_status_t)_status; -+ -+ fcomp->status = status; -+ complete(&fcomp->comp); -+} -+ - /* - * bfa_init callback - */ -@@ -1442,7 +1452,7 @@ bfad_pci_remove(struct pci_dev *pdev) - * PCI Error Recovery entry, error detected. - */ - static pci_ers_result_t --bfad_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) -+bfad_pci_error_detected(struct pci_dev *pdev, enum pci_channel_state state) - { - struct bfad_s *bfad = pci_get_drvdata(pdev); - unsigned long flags; -diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c -index d1ad020..661c0f9 100644 ---- a/drivers/scsi/bfa/bfad_bsg.c -+++ b/drivers/scsi/bfa/bfad_bsg.c -@@ -2145,7 +2145,7 @@ bfad_iocmd_fcport_get_stats(struct bfad_s *bfad, void *cmd) - struct bfa_cb_pending_q_s cb_qe; - - init_completion(&fcomp.comp); -- bfa_pending_q_init(&cb_qe, (bfa_cb_cbfn_t)bfad_hcb_comp, -+ bfa_pending_q_init(&cb_qe, bfad_stats_comp, - &fcomp, &iocmd->stats); - spin_lock_irqsave(&bfad->bfad_lock, flags); - iocmd->status = bfa_fcport_get_stats(&bfad->bfa, &cb_qe); -@@ -2169,7 +2169,7 @@ bfad_iocmd_fcport_reset_stats(struct bfad_s *bfad, void *cmd) - struct bfa_cb_pending_q_s cb_qe; - - init_completion(&fcomp.comp); -- bfa_pending_q_init(&cb_qe, (bfa_cb_cbfn_t)bfad_hcb_comp, &fcomp, NULL); -+ bfa_pending_q_init(&cb_qe, bfad_stats_comp, &fcomp, NULL); - - spin_lock_irqsave(&bfad->bfad_lock, flags); - iocmd->status = bfa_fcport_clear_stats(&bfad->bfa, &cb_qe); -@@ -2453,7 +2453,7 @@ bfad_iocmd_qos_get_stats(struct bfad_s *bfad, void *cmd) - struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(&bfad->bfa); - - init_completion(&fcomp.comp); -- bfa_pending_q_init(&cb_qe, (bfa_cb_cbfn_t)bfad_hcb_comp, -+ bfa_pending_q_init(&cb_qe, bfad_stats_comp, - &fcomp, &iocmd->stats); - - spin_lock_irqsave(&bfad->bfad_lock, flags); -@@ -2484,7 +2484,7 @@ bfad_iocmd_qos_reset_stats(struct bfad_s *bfad, void *cmd) - struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(&bfad->bfa); - - init_completion(&fcomp.comp); -- bfa_pending_q_init(&cb_qe, (bfa_cb_cbfn_t)bfad_hcb_comp, -+ bfa_pending_q_init(&cb_qe, bfad_stats_comp, - &fcomp, NULL); - - spin_lock_irqsave(&bfad->bfad_lock, flags); -diff --git a/drivers/scsi/bfa/bfad_drv.h b/drivers/scsi/bfa/bfad_drv.h -index f9e8620..807a983 100644 ---- a/drivers/scsi/bfa/bfad_drv.h -+++ b/drivers/scsi/bfa/bfad_drv.h -@@ -187,8 +187,10 @@ union bfad_tmp_buf { - /* - * BFAD (PCI function) data structure - */ -+enum bfad_sm_event; -+ - struct bfad_s { -- bfa_sm_t sm; /* state machine */ -+ void (*sm)(struct bfad_s *, enum bfad_sm_event); /* state machine */ - struct list_head list_entry; - struct bfa_s bfa; - struct bfa_fcs_s bfa_fcs; -@@ -309,6 +311,7 @@ void bfad_fcs_stop(struct bfad_s *bfad); - void bfad_remove_intr(struct bfad_s *bfad); - void bfad_hal_mem_release(struct bfad_s *bfad); - void bfad_hcb_comp(void *arg, bfa_status_t status); -+void bfad_stats_comp(void *arg, bfa_boolean_t _status); - - int bfad_setup_intr(struct bfad_s *bfad); - void bfad_remove_intr(struct bfad_s *bfad); -diff --git a/drivers/scsi/csiostor/csio_defs.h b/drivers/scsi/csiostor/csio_defs.h -index c38017b..3268e62 100644 ---- a/drivers/scsi/csiostor/csio_defs.h -+++ b/drivers/scsi/csiostor/csio_defs.h -@@ -73,7 +73,8 @@ csio_list_deleted(struct list_head *list) - #define csio_list_prev(elem) (((struct list_head *)(elem))->prev) - - /* State machine */ --typedef void (*csio_sm_state_t)(void *, uint32_t); -+struct csio_sm; -+typedef void (*csio_sm_state_t)(struct csio_sm *, uint32_t); - - struct csio_sm { - struct list_head sm_list; -@@ -81,9 +82,9 @@ struct csio_sm { - }; - - static inline void --csio_set_state(void *smp, void *state) -+csio_set_state(struct csio_sm *smp, csio_sm_state_t state) - { -- ((struct csio_sm *)smp)->sm_state = (csio_sm_state_t)state; -+ smp->sm_state = state; - } - - static inline void -@@ -93,21 +94,21 @@ csio_init_state(struct csio_sm *smp, void *state) - } - - static inline void --csio_post_event(void *smp, uint32_t evt) -+csio_post_event(struct csio_sm *smp, uint32_t evt) - { -- ((struct csio_sm *)smp)->sm_state(smp, evt); -+ smp->sm_state(smp, evt); - } - - static inline csio_sm_state_t --csio_get_state(void *smp) -+csio_get_state(struct csio_sm *smp) - { -- return ((struct csio_sm *)smp)->sm_state; -+ return smp->sm_state; - } - - static inline bool --csio_match_state(void *smp, void *state) -+csio_match_state(struct csio_sm *smp, csio_sm_state_t state) - { -- return (csio_get_state(smp) == (csio_sm_state_t)state); -+ return (csio_get_state(smp) == state); - } - - #define CSIO_ASSERT(cond) BUG_ON(!(cond)) -diff --git a/drivers/scsi/csiostor/csio_hw.c b/drivers/scsi/csiostor/csio_hw.c -index 622bdab..1a31d41 100644 ---- a/drivers/scsi/csiostor/csio_hw.c -+++ b/drivers/scsi/csiostor/csio_hw.c -@@ -89,15 +89,15 @@ static void csio_mgmtm_cleanup(struct csio_mgmtm *); - static void csio_hw_mbm_cleanup(struct csio_hw *); - - /* State machine forward declarations */ --static void csio_hws_uninit(struct csio_hw *, enum csio_hw_ev); --static void csio_hws_configuring(struct csio_hw *, enum csio_hw_ev); --static void csio_hws_initializing(struct csio_hw *, enum csio_hw_ev); --static void csio_hws_ready(struct csio_hw *, enum csio_hw_ev); --static void csio_hws_quiescing(struct csio_hw *, enum csio_hw_ev); --static void csio_hws_quiesced(struct csio_hw *, enum csio_hw_ev); --static void csio_hws_resetting(struct csio_hw *, enum csio_hw_ev); --static void csio_hws_removing(struct csio_hw *, enum csio_hw_ev); --static void csio_hws_pcierr(struct csio_hw *, enum csio_hw_ev); -+static void csio_hws_uninit(struct csio_sm *, uint32_t); -+static void csio_hws_configuring(struct csio_sm *, uint32_t); -+static void csio_hws_initializing(struct csio_sm *, uint32_t); -+static void csio_hws_ready(struct csio_sm *, uint32_t); -+static void csio_hws_quiescing(struct csio_sm *, uint32_t); -+static void csio_hws_quiesced(struct csio_sm *, uint32_t); -+static void csio_hws_resetting(struct csio_sm *, uint32_t); -+static void csio_hws_removing(struct csio_sm *, uint32_t); -+static void csio_hws_pcierr(struct csio_sm *, uint32_t); - - static void csio_hw_initialize(struct csio_hw *hw); - static void csio_evtq_stop(struct csio_hw *hw); -@@ -105,12 +105,12 @@ static void csio_evtq_start(struct csio_hw *hw); - - int csio_is_hw_ready(struct csio_hw *hw) - { -- return csio_match_state(hw, csio_hws_ready); -+ return csio_match_state(&hw->sm, csio_hws_ready); - } - - int csio_is_hw_removing(struct csio_hw *hw) - { -- return csio_match_state(hw, csio_hws_removing); -+ return csio_match_state(&hw->sm, csio_hws_removing); - } - - -@@ -2326,8 +2326,11 @@ csio_hw_fatal_err(struct csio_hw *hw) - * - */ - static void --csio_hws_uninit(struct csio_hw *hw, enum csio_hw_ev evt) -+csio_hws_uninit(struct csio_sm *_hw, uint32_t _evt) - { -+ struct csio_hw *hw = container_of(_hw, struct csio_hw, sm); -+ enum csio_hw_ev evt = _evt; -+ - hw->prev_evt = hw->cur_evt; - hw->cur_evt = evt; - CSIO_INC_STATS(hw, n_evt_sm[evt]); -@@ -2351,8 +2354,11 @@ csio_hws_uninit(struct csio_hw *hw, enum csio_hw_ev evt) - * - */ - static void --csio_hws_configuring(struct csio_hw *hw, enum csio_hw_ev evt) -+csio_hws_configuring(struct csio_sm *_hw, uint32_t _evt) - { -+ struct csio_hw *hw = container_of(_hw, struct csio_hw, sm); -+ enum csio_hw_ev evt = _evt; -+ - hw->prev_evt = hw->cur_evt; - hw->cur_evt = evt; - CSIO_INC_STATS(hw, n_evt_sm[evt]); -@@ -2389,8 +2395,11 @@ csio_hws_configuring(struct csio_hw *hw, enum csio_hw_ev evt) - * - */ - static void --csio_hws_initializing(struct csio_hw *hw, enum csio_hw_ev evt) -+csio_hws_initializing(struct csio_sm *_hw, uint32_t _evt) - { -+ struct csio_hw *hw = container_of(_hw, struct csio_hw, sm); -+ enum csio_hw_ev evt = _evt; -+ - hw->prev_evt = hw->cur_evt; - hw->cur_evt = evt; - CSIO_INC_STATS(hw, n_evt_sm[evt]); -@@ -2427,8 +2436,11 @@ csio_hws_initializing(struct csio_hw *hw, enum csio_hw_ev evt) - * - */ - static void --csio_hws_ready(struct csio_hw *hw, enum csio_hw_ev evt) -+csio_hws_ready(struct csio_sm *_hw, uint32_t _evt) - { -+ struct csio_hw *hw = container_of(_hw, struct csio_hw, sm); -+ enum csio_hw_ev evt = _evt; -+ - /* Remember the event */ - hw->evtflag = evt; - -@@ -2476,8 +2488,11 @@ csio_hws_ready(struct csio_hw *hw, enum csio_hw_ev evt) - * - */ - static void --csio_hws_quiescing(struct csio_hw *hw, enum csio_hw_ev evt) -+csio_hws_quiescing(struct csio_sm *_hw, uint32_t _evt) - { -+ struct csio_hw *hw = container_of(_hw, struct csio_hw, sm); -+ enum csio_hw_ev evt = _evt; -+ - hw->prev_evt = hw->cur_evt; - hw->cur_evt = evt; - CSIO_INC_STATS(hw, n_evt_sm[evt]); -@@ -2536,8 +2551,11 @@ csio_hws_quiescing(struct csio_hw *hw, enum csio_hw_ev evt) - * - */ - static void --csio_hws_quiesced(struct csio_hw *hw, enum csio_hw_ev evt) -+csio_hws_quiesced(struct csio_sm *_hw, uint32_t _evt) - { -+ struct csio_hw *hw = container_of(_hw, struct csio_hw, sm); -+ enum csio_hw_ev evt = _evt; -+ - hw->prev_evt = hw->cur_evt; - hw->cur_evt = evt; - CSIO_INC_STATS(hw, n_evt_sm[evt]); -@@ -2561,8 +2579,11 @@ csio_hws_quiesced(struct csio_hw *hw, enum csio_hw_ev evt) - * - */ - static void --csio_hws_resetting(struct csio_hw *hw, enum csio_hw_ev evt) -+csio_hws_resetting(struct csio_sm *_hw, uint32_t _evt) - { -+ struct csio_hw *hw = container_of(_hw, struct csio_hw, sm); -+ enum csio_hw_ev evt = _evt; -+ - hw->prev_evt = hw->cur_evt; - hw->cur_evt = evt; - CSIO_INC_STATS(hw, n_evt_sm[evt]); -@@ -2587,8 +2608,11 @@ csio_hws_resetting(struct csio_hw *hw, enum csio_hw_ev evt) - * - */ - static void --csio_hws_removing(struct csio_hw *hw, enum csio_hw_ev evt) -+csio_hws_removing(struct csio_sm *_hw, uint32_t _evt) - { -+ struct csio_hw *hw = container_of(_hw, struct csio_hw, sm); -+ enum csio_hw_ev evt = _evt; -+ - hw->prev_evt = hw->cur_evt; - hw->cur_evt = evt; - CSIO_INC_STATS(hw, n_evt_sm[evt]); -@@ -2622,8 +2646,11 @@ csio_hws_removing(struct csio_hw *hw, enum csio_hw_ev evt) - * - */ - static void --csio_hws_pcierr(struct csio_hw *hw, enum csio_hw_ev evt) -+csio_hws_pcierr(struct csio_sm *_hw, uint32_t _evt) - { -+ struct csio_hw *hw = container_of(_hw, struct csio_hw, sm); -+ enum csio_hw_ev evt = _evt; -+ - hw->prev_evt = hw->cur_evt; - hw->cur_evt = evt; - CSIO_INC_STATS(hw, n_evt_sm[evt]); -diff --git a/drivers/scsi/csiostor/csio_init.c b/drivers/scsi/csiostor/csio_init.c -index dbe416f..25a9a5b 100644 ---- a/drivers/scsi/csiostor/csio_init.c -+++ b/drivers/scsi/csiostor/csio_init.c -@@ -1053,7 +1053,7 @@ static void csio_remove_one(struct pci_dev *pdev) - * - */ - static pci_ers_result_t --csio_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) -+csio_pci_error_detected(struct pci_dev *pdev, enum pci_channel_state state) - { - struct csio_hw *hw = pci_get_drvdata(pdev); - -diff --git a/drivers/scsi/csiostor/csio_lnode.c b/drivers/scsi/csiostor/csio_lnode.c -index c00b2ff..da72dbc 100644 ---- a/drivers/scsi/csiostor/csio_lnode.c -+++ b/drivers/scsi/csiostor/csio_lnode.c -@@ -55,10 +55,10 @@ int csio_fdmi_enable = 1; - #define PORT_ID_PTR(_x) ((uint8_t *)(&_x) + 1) - - /* Lnode SM declarations */ --static void csio_lns_uninit(struct csio_lnode *, enum csio_ln_ev); --static void csio_lns_online(struct csio_lnode *, enum csio_ln_ev); --static void csio_lns_ready(struct csio_lnode *, enum csio_ln_ev); --static void csio_lns_offline(struct csio_lnode *, enum csio_ln_ev); -+static void csio_lns_uninit(struct csio_sm *, uint32_t); -+static void csio_lns_online(struct csio_sm *, uint32_t); -+static void csio_lns_ready(struct csio_sm *, uint32_t); -+static void csio_lns_offline(struct csio_sm *, uint32_t); - - static int csio_ln_mgmt_submit_req(struct csio_ioreq *, - void (*io_cbfn) (struct csio_hw *, struct csio_ioreq *), -@@ -1077,7 +1077,7 @@ csio_handle_link_down(struct csio_hw *hw, uint8_t portid, uint32_t fcfi, - int - csio_is_lnode_ready(struct csio_lnode *ln) - { -- return (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_ready)); -+ return (csio_get_state(&ln->sm) == csio_lns_ready); - } - - /*****************************************************************************/ -@@ -1093,8 +1093,10 @@ csio_is_lnode_ready(struct csio_lnode *ln) - * Return - none. - */ - static void --csio_lns_uninit(struct csio_lnode *ln, enum csio_ln_ev evt) -+csio_lns_uninit(struct csio_sm *_ln, uint32_t _evt) - { -+ struct csio_lnode *ln = container_of(_ln, struct csio_lnode, sm); -+ enum csio_ln_ev evt = _evt; - struct csio_hw *hw = csio_lnode_to_hw(ln); - struct csio_lnode *rln = hw->rln; - int rv; -@@ -1146,8 +1148,10 @@ csio_lns_uninit(struct csio_lnode *ln, enum csio_ln_ev evt) - * Return - none. - */ - static void --csio_lns_online(struct csio_lnode *ln, enum csio_ln_ev evt) -+csio_lns_online(struct csio_sm *_ln, uint32_t _evt) - { -+ struct csio_lnode *ln = container_of(_ln, struct csio_lnode, sm); -+ enum csio_ln_ev evt = _evt; - struct csio_hw *hw = csio_lnode_to_hw(ln); - - CSIO_INC_STATS(ln, n_evt_sm[evt]); -@@ -1198,8 +1202,10 @@ csio_lns_online(struct csio_lnode *ln, enum csio_ln_ev evt) - * Return - none. - */ - static void --csio_lns_ready(struct csio_lnode *ln, enum csio_ln_ev evt) -+csio_lns_ready(struct csio_sm *_ln, uint32_t _evt) - { -+ struct csio_lnode *ln = container_of(_ln, struct csio_lnode, sm); -+ enum csio_ln_ev evt = _evt; - struct csio_hw *hw = csio_lnode_to_hw(ln); - - CSIO_INC_STATS(ln, n_evt_sm[evt]); -@@ -1272,8 +1278,10 @@ csio_lns_ready(struct csio_lnode *ln, enum csio_ln_ev evt) - * Return - none. - */ - static void --csio_lns_offline(struct csio_lnode *ln, enum csio_ln_ev evt) -+csio_lns_offline(struct csio_sm *_ln, uint32_t _evt) - { -+ struct csio_lnode *ln = container_of(_ln, struct csio_lnode, sm); -+ enum csio_ln_ev evt = _evt; - struct csio_hw *hw = csio_lnode_to_hw(ln); - struct csio_lnode *rln = hw->rln; - int rv; -@@ -1349,15 +1357,15 @@ csio_free_fcfinfo(struct kref *kref) - void - csio_lnode_state_to_str(struct csio_lnode *ln, int8_t *str) - { -- if (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_uninit)) { -+ if (csio_get_state(&ln->sm) == csio_lns_uninit) { - strcpy(str, "UNINIT"); - return; - } -- if (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_ready)) { -+ if (csio_get_state(&ln->sm) == csio_lns_ready) { - strcpy(str, "READY"); - return; - } -- if (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_offline)) { -+ if (csio_get_state(&ln->sm) == csio_lns_offline) { - strcpy(str, "OFFLINE"); - return; - } -diff --git a/drivers/scsi/csiostor/csio_rnode.c b/drivers/scsi/csiostor/csio_rnode.c -index e9c3b04..4ba3a59 100644 ---- a/drivers/scsi/csiostor/csio_rnode.c -+++ b/drivers/scsi/csiostor/csio_rnode.c -@@ -46,10 +46,10 @@ static int csio_rnode_init(struct csio_rnode *, struct csio_lnode *); - static void csio_rnode_exit(struct csio_rnode *); - - /* Static machine forward declarations */ --static void csio_rns_uninit(struct csio_rnode *, enum csio_rn_ev); --static void csio_rns_ready(struct csio_rnode *, enum csio_rn_ev); --static void csio_rns_offline(struct csio_rnode *, enum csio_rn_ev); --static void csio_rns_disappeared(struct csio_rnode *, enum csio_rn_ev); -+static void csio_rns_uninit(struct csio_sm *, uint32_t); -+static void csio_rns_ready(struct csio_sm *, uint32_t); -+static void csio_rns_offline(struct csio_sm *, uint32_t); -+static void csio_rns_disappeared(struct csio_sm *, uint32_t); - - /* RNF event mapping */ - static enum csio_rn_ev fwevt_to_rnevt[] = { -@@ -88,13 +88,13 @@ static enum csio_rn_ev fwevt_to_rnevt[] = { - int - csio_is_rnode_ready(struct csio_rnode *rn) - { -- return csio_match_state(rn, csio_rns_ready); -+ return csio_match_state(&rn->sm, csio_rns_ready); - } - - static int - csio_is_rnode_uninit(struct csio_rnode *rn) - { -- return csio_match_state(rn, csio_rns_uninit); -+ return csio_match_state(&rn->sm, csio_rns_uninit); - } - - static int -@@ -601,8 +601,10 @@ __csio_unreg_rnode(struct csio_rnode *rn) - * - */ - static void --csio_rns_uninit(struct csio_rnode *rn, enum csio_rn_ev evt) -+csio_rns_uninit(struct csio_sm *_rn, uint32_t _evt) - { -+ struct csio_rnode *rn = container_of(_rn, struct csio_rnode, sm); -+ enum csio_rn_ev evt = _evt; - struct csio_lnode *ln = csio_rnode_to_lnode(rn); - int ret = 0; - -@@ -641,8 +643,10 @@ csio_rns_uninit(struct csio_rnode *rn, enum csio_rn_ev evt) - * - */ - static void --csio_rns_ready(struct csio_rnode *rn, enum csio_rn_ev evt) -+csio_rns_ready(struct csio_sm *_rn, uint32_t _evt) - { -+ struct csio_rnode *rn = container_of(_rn, struct csio_rnode, sm); -+ enum csio_rn_ev evt = _evt; - struct csio_lnode *ln = csio_rnode_to_lnode(rn); - int ret = 0; - -@@ -726,8 +730,10 @@ csio_rns_ready(struct csio_rnode *rn, enum csio_rn_ev evt) - * - */ - static void --csio_rns_offline(struct csio_rnode *rn, enum csio_rn_ev evt) -+csio_rns_offline(struct csio_sm *_rn, uint32_t _evt) - { -+ struct csio_rnode *rn = container_of(_rn, struct csio_rnode, sm); -+ enum csio_rn_ev evt = _evt; - struct csio_lnode *ln = csio_rnode_to_lnode(rn); - int ret = 0; - -@@ -785,8 +791,10 @@ csio_rns_offline(struct csio_rnode *rn, enum csio_rn_ev evt) - * - */ - static void --csio_rns_disappeared(struct csio_rnode *rn, enum csio_rn_ev evt) -+csio_rns_disappeared(struct csio_sm *_rn, uint32_t _evt) - { -+ struct csio_rnode *rn = container_of(_rn, struct csio_rnode, sm); -+ enum csio_rn_ev evt = _evt; - struct csio_lnode *ln = csio_rnode_to_lnode(rn); - int ret = 0; - -diff --git a/drivers/scsi/csiostor/csio_scsi.c b/drivers/scsi/csiostor/csio_scsi.c -index 89a52b9..0262e39 100644 ---- a/drivers/scsi/csiostor/csio_scsi.c -+++ b/drivers/scsi/csiostor/csio_scsi.c -@@ -65,12 +65,12 @@ static int csio_ddp_descs = 128; - static int csio_do_abrt_cls(struct csio_hw *, - struct csio_ioreq *, bool); - --static void csio_scsis_uninit(struct csio_ioreq *, enum csio_scsi_ev); --static void csio_scsis_io_active(struct csio_ioreq *, enum csio_scsi_ev); --static void csio_scsis_tm_active(struct csio_ioreq *, enum csio_scsi_ev); --static void csio_scsis_aborting(struct csio_ioreq *, enum csio_scsi_ev); --static void csio_scsis_closing(struct csio_ioreq *, enum csio_scsi_ev); --static void csio_scsis_shost_cmpl_await(struct csio_ioreq *, enum csio_scsi_ev); -+static void csio_scsis_uninit(struct csio_sm *, uint32_t); -+static void csio_scsis_io_active(struct csio_sm *, uint32_t); -+static void csio_scsis_tm_active(struct csio_sm *, uint32_t); -+static void csio_scsis_aborting(struct csio_sm *, uint32_t); -+static void csio_scsis_closing(struct csio_sm *, uint32_t); -+static void csio_scsis_shost_cmpl_await(struct csio_sm *, uint32_t); - - /* - * csio_scsi_match_io - Match an ioreq with the given SCSI level data. -@@ -700,8 +700,10 @@ csio_scsi_abrt_cls(struct csio_ioreq *req, bool abort) - /* START: SCSI SM */ - /*****************************************************************************/ - static void --csio_scsis_uninit(struct csio_ioreq *req, enum csio_scsi_ev evt) -+csio_scsis_uninit(struct csio_sm *_req, uint32_t _evt) - { -+ struct csio_ioreq *req = container_of(_req, struct csio_ioreq, sm); -+ enum csio_scsi_ev evt = _evt; - struct csio_hw *hw = req->lnode->hwp; - struct csio_scsim *scsim = csio_hw_to_scsim(hw); - -@@ -770,8 +772,10 @@ csio_scsis_uninit(struct csio_ioreq *req, enum csio_scsi_ev evt) - } - - static void --csio_scsis_io_active(struct csio_ioreq *req, enum csio_scsi_ev evt) -+csio_scsis_io_active(struct csio_sm *_req, uint32_t _evt) - { -+ struct csio_ioreq *req = container_of(_req, struct csio_ioreq, sm); -+ enum csio_scsi_ev evt = _evt; - struct csio_hw *hw = req->lnode->hwp; - struct csio_scsim *scm = csio_hw_to_scsim(hw); - struct csio_rnode *rn; -@@ -842,8 +846,10 @@ csio_scsis_io_active(struct csio_ioreq *req, enum csio_scsi_ev evt) - } - - static void --csio_scsis_tm_active(struct csio_ioreq *req, enum csio_scsi_ev evt) -+csio_scsis_tm_active(struct csio_sm *_req, uint32_t _evt) - { -+ struct csio_ioreq *req = container_of(_req, struct csio_ioreq, sm); -+ enum csio_scsi_ev evt = _evt; - struct csio_hw *hw = req->lnode->hwp; - struct csio_scsim *scm = csio_hw_to_scsim(hw); - -@@ -885,8 +891,10 @@ csio_scsis_tm_active(struct csio_ioreq *req, enum csio_scsi_ev evt) - } - - static void --csio_scsis_aborting(struct csio_ioreq *req, enum csio_scsi_ev evt) -+csio_scsis_aborting(struct csio_sm *_req, uint32_t _evt) - { -+ struct csio_ioreq *req = container_of(_req, struct csio_ioreq, sm); -+ enum csio_scsi_ev evt = _evt; - struct csio_hw *hw = req->lnode->hwp; - struct csio_scsim *scm = csio_hw_to_scsim(hw); - -@@ -982,8 +990,10 @@ csio_scsis_aborting(struct csio_ioreq *req, enum csio_scsi_ev evt) - } - - static void --csio_scsis_closing(struct csio_ioreq *req, enum csio_scsi_ev evt) -+csio_scsis_closing(struct csio_sm *_req, uint32_t _evt) - { -+ struct csio_ioreq *req = container_of(_req, struct csio_ioreq, sm); -+ enum csio_scsi_ev evt = _evt; - struct csio_hw *hw = req->lnode->hwp; - struct csio_scsim *scm = csio_hw_to_scsim(hw); - -@@ -1046,8 +1056,11 @@ csio_scsis_closing(struct csio_ioreq *req, enum csio_scsi_ev evt) - } - - static void --csio_scsis_shost_cmpl_await(struct csio_ioreq *req, enum csio_scsi_ev evt) -+csio_scsis_shost_cmpl_await(struct csio_sm *_req, uint32_t _evt) - { -+ struct csio_ioreq *req = container_of(_req, struct csio_ioreq, sm); -+ enum csio_scsi_ev evt = _evt; -+ - switch (evt) { - case CSIO_SCSIE_ABORT: - case CSIO_SCSIE_CLOSE: -diff --git a/drivers/scsi/esas2r/esas2r_init.c b/drivers/scsi/esas2r/esas2r_init.c -index d6e53ae..6432a50 100644 ---- a/drivers/scsi/esas2r/esas2r_init.c -+++ b/drivers/scsi/esas2r/esas2r_init.c -@@ -237,7 +237,7 @@ static void esas2r_claim_interrupts(struct esas2r_adapter *a) - flags |= IRQF_SHARED; - - esas2r_log(ESAS2R_LOG_INFO, -- "esas2r_claim_interrupts irq=%d (%p, %s, %x)", -+ "esas2r_claim_interrupts irq=%d (%p, %s, %lx)", - a->pcid->irq, a, a->name, flags); - - if (request_irq(a->pcid->irq, -diff --git a/drivers/scsi/esas2r/esas2r_ioctl.c b/drivers/scsi/esas2r/esas2r_ioctl.c -index 3e84834..34976f9 100644 ---- a/drivers/scsi/esas2r/esas2r_ioctl.c -+++ b/drivers/scsi/esas2r/esas2r_ioctl.c -@@ -1301,7 +1301,7 @@ int esas2r_ioctl_handler(void *hostdata, int cmd, void __user *arg) - ioctl = kzalloc(sizeof(struct atto_express_ioctl), GFP_KERNEL); - if (ioctl == NULL) { - esas2r_log(ESAS2R_LOG_WARN, -- "ioctl_handler kzalloc failed for %d bytes", -+ "ioctl_handler kzalloc failed for %lu bytes", - sizeof(struct atto_express_ioctl)); - return -ENOMEM; - } -diff --git a/drivers/scsi/esas2r/esas2r_log.h b/drivers/scsi/esas2r/esas2r_log.h -index 7b6397b..75b9d23 100644 ---- a/drivers/scsi/esas2r/esas2r_log.h -+++ b/drivers/scsi/esas2r/esas2r_log.h -@@ -61,8 +61,8 @@ enum { - #endif - }; - --int esas2r_log(const long level, const char *format, ...); --int esas2r_log_dev(const long level, -+__printf(2, 3) int esas2r_log(const long level, const char *format, ...); -+__printf(3, 4) int esas2r_log_dev(const long level, - const struct device *dev, - const char *format, - ...); -diff --git a/drivers/scsi/esas2r/esas2r_main.c b/drivers/scsi/esas2r/esas2r_main.c -index 5092c82..072d07b 100644 ---- a/drivers/scsi/esas2r/esas2r_main.c -+++ b/drivers/scsi/esas2r/esas2r_main.c -@@ -198,7 +198,7 @@ static ssize_t write_hw(struct file *file, struct kobject *kobj, - GFP_KERNEL); - if (a->local_atto_ioctl == NULL) { - esas2r_log(ESAS2R_LOG_WARN, -- "write_hw kzalloc failed for %d bytes", -+ "write_hw kzalloc failed for %lu bytes", - sizeof(struct atto_ioctl)); - return -ENOMEM; - } -@@ -1186,7 +1186,7 @@ static int esas2r_dev_targ_reset(struct scsi_cmnd *cmd, bool target_reset) - } else { - esas2r_log(ESAS2R_LOG_CRIT, - "unable to allocate a request for a " -- "device reset (%d:%d)!", -+ "device reset (%d:%llu)!", - cmd->device->id, - cmd->device->lun); - } -diff --git a/drivers/scsi/fcoe/fcoe_sysfs.c b/drivers/scsi/fcoe/fcoe_sysfs.c -index 0675fd1..bbebe90 100644 ---- a/drivers/scsi/fcoe/fcoe_sysfs.c -+++ b/drivers/scsi/fcoe/fcoe_sysfs.c -@@ -33,8 +33,8 @@ - */ - #include "libfcoe.h" - --static atomic_t ctlr_num; --static atomic_t fcf_num; -+static atomic_unchecked_t ctlr_num; -+static atomic_unchecked_t fcf_num; - - /* - * fcoe_fcf_dev_loss_tmo: the default number of seconds that fcoe sysfs -@@ -724,7 +724,7 @@ struct fcoe_ctlr_device *fcoe_ctlr_device_add(struct device *parent, - if (!ctlr) - goto out; - -- ctlr->id = atomic_inc_return(&ctlr_num) - 1; -+ ctlr->id = atomic_inc_return_unchecked(&ctlr_num) - 1; - ctlr->f = f; - ctlr->mode = FIP_CONN_TYPE_FABRIC; - INIT_LIST_HEAD(&ctlr->fcfs); -@@ -941,7 +941,7 @@ struct fcoe_fcf_device *fcoe_fcf_device_add(struct fcoe_ctlr_device *ctlr, - fcf->dev.parent = &ctlr->dev; - fcf->dev.bus = &fcoe_bus_type; - fcf->dev.type = &fcoe_fcf_device_type; -- fcf->id = atomic_inc_return(&fcf_num) - 1; -+ fcf->id = atomic_inc_return_unchecked(&fcf_num) - 1; - fcf->state = FCOE_FCF_STATE_UNKNOWN; - - fcf->dev_loss_tmo = ctlr->fcf_dev_loss_tmo; -@@ -977,8 +977,8 @@ int __init fcoe_sysfs_setup(void) - { - int error; - -- atomic_set(&ctlr_num, 0); -- atomic_set(&fcf_num, 0); -+ atomic_set_unchecked(&ctlr_num, 0); -+ atomic_set_unchecked(&fcf_num, 0); - - error = bus_register(&fcoe_bus_type); - if (error) -diff --git a/drivers/scsi/fcoe/fcoe_transport.c b/drivers/scsi/fcoe/fcoe_transport.c -index 375c536..618843b 100644 ---- a/drivers/scsi/fcoe/fcoe_transport.c -+++ b/drivers/scsi/fcoe/fcoe_transport.c -@@ -32,13 +32,13 @@ MODULE_AUTHOR("Open-FCoE.org"); - MODULE_DESCRIPTION("FIP discovery protocol and FCoE transport for FCoE HBAs"); - MODULE_LICENSE("GPL v2"); - --static int fcoe_transport_create(const char *, struct kernel_param *); --static int fcoe_transport_destroy(const char *, struct kernel_param *); -+static int fcoe_transport_create(const char *, const struct kernel_param *); -+static int fcoe_transport_destroy(const char *, const struct kernel_param *); - static int fcoe_transport_show(char *buffer, const struct kernel_param *kp); - static struct fcoe_transport *fcoe_transport_lookup(struct net_device *device); - static struct fcoe_transport *fcoe_netdev_map_lookup(struct net_device *device); --static int fcoe_transport_enable(const char *, struct kernel_param *); --static int fcoe_transport_disable(const char *, struct kernel_param *); -+static int fcoe_transport_enable(const char *, const struct kernel_param *); -+static int fcoe_transport_disable(const char *, const struct kernel_param *); - static int libfcoe_device_notification(struct notifier_block *notifier, - ulong event, void *ptr); - -@@ -865,7 +865,7 @@ EXPORT_SYMBOL(fcoe_ctlr_destroy_store); - * - * Returns: 0 for success - */ --static int fcoe_transport_create(const char *buffer, struct kernel_param *kp) -+static int fcoe_transport_create(const char *buffer, const struct kernel_param *kp) - { - int rc = -ENODEV; - struct net_device *netdev = NULL; -@@ -930,7 +930,7 @@ static int fcoe_transport_create(const char *buffer, struct kernel_param *kp) - * - * Returns: 0 for success - */ --static int fcoe_transport_destroy(const char *buffer, struct kernel_param *kp) -+static int fcoe_transport_destroy(const char *buffer, const struct kernel_param *kp) - { - int rc = -ENODEV; - struct net_device *netdev = NULL; -@@ -974,7 +974,7 @@ static int fcoe_transport_destroy(const char *buffer, struct kernel_param *kp) - * - * Returns: 0 for success - */ --static int fcoe_transport_disable(const char *buffer, struct kernel_param *kp) -+static int fcoe_transport_disable(const char *buffer, const struct kernel_param *kp) - { - int rc = -ENODEV; - struct net_device *netdev = NULL; -@@ -1008,7 +1008,7 @@ static int fcoe_transport_disable(const char *buffer, struct kernel_param *kp) - * - * Returns: 0 for success - */ --static int fcoe_transport_enable(const char *buffer, struct kernel_param *kp) -+static int fcoe_transport_enable(const char *buffer, const struct kernel_param *kp) - { - int rc = -ENODEV; - struct net_device *netdev = NULL; -diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c -index a1d6ab7..42c2b5e 100644 ---- a/drivers/scsi/hpsa.c -+++ b/drivers/scsi/hpsa.c -@@ -944,10 +944,10 @@ static inline u32 next_command(struct ctlr_info *h, u8 q) - struct reply_queue_buffer *rq = &h->reply_queue[q]; - - if (h->transMethod & CFGTBL_Trans_io_accel1) -- return h->access.command_completed(h, q); -+ return h->access->command_completed(h, q); - - if (unlikely(!(h->transMethod & CFGTBL_Trans_Performant))) -- return h->access.command_completed(h, q); -+ return h->access->command_completed(h, q); - - if ((rq->head[rq->current_entry] & 1) == rq->wraparound) { - a = rq->head[rq->current_entry]; -@@ -1129,7 +1129,7 @@ static void __enqueue_cmd_and_start_io(struct ctlr_info *h, - break; - default: - set_performant_mode(h, c, reply_queue); -- h->access.submit_command(h, c); -+ h->access->submit_command(h, c); - } - } - -@@ -7111,17 +7111,17 @@ static void __iomem *remap_pci_mem(ulong base, ulong size) - - static inline unsigned long get_next_completion(struct ctlr_info *h, u8 q) - { -- return h->access.command_completed(h, q); -+ return h->access->command_completed(h, q); - } - - static inline bool interrupt_pending(struct ctlr_info *h) - { -- return h->access.intr_pending(h); -+ return h->access->intr_pending(h); - } - - static inline long interrupt_not_for_us(struct ctlr_info *h) - { -- return (h->access.intr_pending(h) == 0) || -+ return (h->access->intr_pending(h) == 0) || - (h->interrupts_enabled == 0); - } - -@@ -8049,7 +8049,7 @@ static int hpsa_pci_init(struct ctlr_info *h) - if (prod_index < 0) - return prod_index; - h->product_name = products[prod_index].product_name; -- h->access = *(products[prod_index].access); -+ h->access = products[prod_index].access; - - h->needs_abort_tags_swizzled = - ctlr_needs_abort_tags_swizzled(h->board_id); -@@ -8448,7 +8448,7 @@ static void controller_lockup_detected(struct ctlr_info *h) - unsigned long flags; - u32 lockup_detected; - -- h->access.set_intr_mask(h, HPSA_INTR_OFF); -+ h->access->set_intr_mask(h, HPSA_INTR_OFF); - spin_lock_irqsave(&h->lock, flags); - lockup_detected = readl(h->vaddr + SA5_SCRATCHPAD_OFFSET); - if (!lockup_detected) { -@@ -8786,7 +8786,7 @@ static int hpsa_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) - } - - /* make sure the board interrupts are off */ -- h->access.set_intr_mask(h, HPSA_INTR_OFF); -+ h->access->set_intr_mask(h, HPSA_INTR_OFF); - - rc = hpsa_request_irqs(h, do_hpsa_intr_msi, do_hpsa_intr_intx); - if (rc) -@@ -8839,7 +8839,7 @@ static int hpsa_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) - * fake ones to scoop up any residual completions. - */ - spin_lock_irqsave(&h->lock, flags); -- h->access.set_intr_mask(h, HPSA_INTR_OFF); -+ h->access->set_intr_mask(h, HPSA_INTR_OFF); - spin_unlock_irqrestore(&h->lock, flags); - hpsa_free_irqs(h); - rc = hpsa_request_irqs(h, hpsa_msix_discard_completions, -@@ -8869,9 +8869,9 @@ static int hpsa_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) - dev_info(&h->pdev->dev, "Board READY.\n"); - dev_info(&h->pdev->dev, - "Waiting for stale completions to drain.\n"); -- h->access.set_intr_mask(h, HPSA_INTR_ON); -+ h->access->set_intr_mask(h, HPSA_INTR_ON); - msleep(10000); -- h->access.set_intr_mask(h, HPSA_INTR_OFF); -+ h->access->set_intr_mask(h, HPSA_INTR_OFF); - - rc = controller_reset_failed(h->cfgtable); - if (rc) -@@ -8898,7 +8898,7 @@ static int hpsa_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) - - - /* Turn the interrupts on so we can service requests */ -- h->access.set_intr_mask(h, HPSA_INTR_ON); -+ h->access->set_intr_mask(h, HPSA_INTR_ON); - - hpsa_hba_inquiry(h); - -@@ -8924,7 +8924,7 @@ static int hpsa_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) - - clean7: /* perf, sg, cmd, irq, shost, pci, lu, aer/h */ - hpsa_free_performant_mode(h); -- h->access.set_intr_mask(h, HPSA_INTR_OFF); -+ h->access->set_intr_mask(h, HPSA_INTR_OFF); - clean6: /* sg, cmd, irq, pci, lockup, wq/aer/h */ - hpsa_free_sg_chain_blocks(h); - clean5: /* cmd, irq, shost, pci, lu, aer/h */ -@@ -9059,7 +9059,7 @@ static void hpsa_shutdown(struct pci_dev *pdev) - * To write all data in the battery backed cache to disks - */ - hpsa_flush_cache(h); -- h->access.set_intr_mask(h, HPSA_INTR_OFF); -+ h->access->set_intr_mask(h, HPSA_INTR_OFF); - hpsa_free_irqs(h); /* init_one 4 */ - hpsa_disable_interrupt_mode(h); /* pci_init 2 */ - } -@@ -9201,7 +9201,7 @@ static int hpsa_enter_performant_mode(struct ctlr_info *h, u32 trans_support) - CFGTBL_Trans_enable_directed_msix | - (trans_support & (CFGTBL_Trans_io_accel1 | - CFGTBL_Trans_io_accel2)); -- struct access_method access = SA5_performant_access; -+ struct access_method *access = &SA5_performant_access; - - /* This is a bit complicated. There are 8 registers on - * the controller which we write to to tell it 8 different -@@ -9243,7 +9243,7 @@ static int hpsa_enter_performant_mode(struct ctlr_info *h, u32 trans_support) - * perform the superfluous readl() after each command submission. - */ - if (trans_support & (CFGTBL_Trans_io_accel1 | CFGTBL_Trans_io_accel2)) -- access = SA5_performant_access_no_read; -+ access = &SA5_performant_access_no_read; - - /* Controller spec: zero out this buffer. */ - for (i = 0; i < h->nreply_queues; i++) -@@ -9273,12 +9273,12 @@ static int hpsa_enter_performant_mode(struct ctlr_info *h, u32 trans_support) - * enable outbound interrupt coalescing in accelerator mode; - */ - if (trans_support & CFGTBL_Trans_io_accel1) { -- access = SA5_ioaccel_mode1_access; -+ access = &SA5_ioaccel_mode1_access; - writel(10, &h->cfgtable->HostWrite.CoalIntDelay); - writel(4, &h->cfgtable->HostWrite.CoalIntCount); - } else { - if (trans_support & CFGTBL_Trans_io_accel2) { -- access = SA5_ioaccel_mode2_access; -+ access = &SA5_ioaccel_mode2_access; - writel(10, &h->cfgtable->HostWrite.CoalIntDelay); - writel(4, &h->cfgtable->HostWrite.CoalIntCount); - } -diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h -index 9ea162de..40c2e1b 100644 ---- a/drivers/scsi/hpsa.h -+++ b/drivers/scsi/hpsa.h -@@ -180,7 +180,7 @@ struct ctlr_info { - unsigned int msix_vector; - unsigned int msi_vector; - int intr_mode; /* either PERF_MODE_INT or SIMPLE_MODE_INT */ -- struct access_method access; -+ struct access_method *access; - - /* queue and queue Info */ - unsigned int Qdepth; -@@ -580,38 +580,38 @@ static unsigned long SA5_ioaccel_mode1_completed(struct ctlr_info *h, u8 q) - } - - static struct access_method SA5_access = { -- SA5_submit_command, -- SA5_intr_mask, -- SA5_intr_pending, -- SA5_completed, -+ .submit_command = SA5_submit_command, -+ .set_intr_mask = SA5_intr_mask, -+ .intr_pending = SA5_intr_pending, -+ .command_completed = SA5_completed, - }; - - static struct access_method SA5_ioaccel_mode1_access = { -- SA5_submit_command, -- SA5_performant_intr_mask, -- SA5_ioaccel_mode1_intr_pending, -- SA5_ioaccel_mode1_completed, -+ .submit_command = SA5_submit_command, -+ .set_intr_mask = SA5_performant_intr_mask, -+ .intr_pending = SA5_ioaccel_mode1_intr_pending, -+ .command_completed = SA5_ioaccel_mode1_completed, - }; - - static struct access_method SA5_ioaccel_mode2_access = { -- SA5_submit_command_ioaccel2, -- SA5_performant_intr_mask, -- SA5_performant_intr_pending, -- SA5_performant_completed, -+ .submit_command = SA5_submit_command_ioaccel2, -+ .set_intr_mask = SA5_performant_intr_mask, -+ .intr_pending = SA5_performant_intr_pending, -+ .command_completed = SA5_performant_completed, - }; - - static struct access_method SA5_performant_access = { -- SA5_submit_command, -- SA5_performant_intr_mask, -- SA5_performant_intr_pending, -- SA5_performant_completed, -+ .submit_command = SA5_submit_command, -+ .set_intr_mask = SA5_performant_intr_mask, -+ .intr_pending = SA5_performant_intr_pending, -+ .command_completed = SA5_performant_completed, - }; - - static struct access_method SA5_performant_access_no_read = { -- SA5_submit_command_no_read, -- SA5_performant_intr_mask, -- SA5_performant_intr_pending, -- SA5_performant_completed, -+ .submit_command = SA5_submit_command_no_read, -+ .set_intr_mask = SA5_performant_intr_mask, -+ .intr_pending = SA5_performant_intr_pending, -+ .command_completed = SA5_performant_completed, - }; - - struct board_type { -diff --git a/drivers/scsi/hptiop.c b/drivers/scsi/hptiop.c -index a83f705..b40c5e6 100644 ---- a/drivers/scsi/hptiop.c -+++ b/drivers/scsi/hptiop.c -@@ -1082,7 +1082,6 @@ static const char *hptiop_info(struct Scsi_Host *host) - static int hptiop_reset_hba(struct hptiop_hba *hba) - { - if (atomic_xchg(&hba->resetting, 1) == 0) { -- atomic_inc(&hba->reset_count); - hba->ops->post_msg(hba, IOPMU_INBOUND_MSG0_RESET); - } - -@@ -1340,7 +1339,6 @@ static int hptiop_probe(struct pci_dev *pcidev, const struct pci_device_id *id) - hba->iopintf_v2 = 0; - - atomic_set(&hba->resetting, 0); -- atomic_set(&hba->reset_count, 0); - - init_waitqueue_head(&hba->reset_wq); - init_waitqueue_head(&hba->ioctl_wq); -diff --git a/drivers/scsi/hptiop.h b/drivers/scsi/hptiop.h -index 4d1c511..d5744cb 100644 ---- a/drivers/scsi/hptiop.h -+++ b/drivers/scsi/hptiop.h -@@ -330,7 +330,6 @@ struct hptiop_hba { - void *dma_coherent[HPTIOP_MAX_REQUESTS]; - dma_addr_t dma_coherent_handle[HPTIOP_MAX_REQUESTS]; - -- atomic_t reset_count; - atomic_t resetting; - - wait_queue_head_t reset_wq; -diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c -index 5324741..0d62bad 100644 ---- a/drivers/scsi/ipr.c -+++ b/drivers/scsi/ipr.c -@@ -948,7 +948,7 @@ static void ipr_send_command(struct ipr_cmnd *ipr_cmd) - **/ - static void ipr_do_req(struct ipr_cmnd *ipr_cmd, - void (*done) (struct ipr_cmnd *), -- void (*timeout_func) (struct ipr_cmnd *), u32 timeout) -+ void (*timeout_func) (unsigned long), u32 timeout) - { - list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); - -@@ -956,7 +956,7 @@ static void ipr_do_req(struct ipr_cmnd *ipr_cmd, - - ipr_cmd->timer.data = (unsigned long) ipr_cmd; - ipr_cmd->timer.expires = jiffies + timeout; -- ipr_cmd->timer.function = (void (*)(unsigned long))timeout_func; -+ ipr_cmd->timer.function = timeout_func; - - add_timer(&ipr_cmd->timer); - -@@ -1038,7 +1038,7 @@ static void ipr_init_ioadl(struct ipr_cmnd *ipr_cmd, dma_addr_t dma_addr, - * none - **/ - static void ipr_send_blocking_cmd(struct ipr_cmnd *ipr_cmd, -- void (*timeout_func) (struct ipr_cmnd *ipr_cmd), -+ void (*timeout_func) (unsigned long ipr_cmd), - u32 timeout) - { - struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; -@@ -1058,7 +1058,7 @@ static int ipr_get_hrrq_index(struct ipr_ioa_cfg *ioa_cfg) - if (ioa_cfg->hrrq_num == 1) - hrrq = 0; - else { -- hrrq = atomic_add_return(1, &ioa_cfg->hrrq_index); -+ hrrq = atomic_add_return_unchecked(1, &ioa_cfg->hrrq_index); - hrrq = (hrrq % (ioa_cfg->hrrq_num - 1)) + 1; - } - return hrrq; -@@ -2622,8 +2622,9 @@ static void ipr_process_error(struct ipr_cmnd *ipr_cmd) - * Return value: - * none - **/ --static void ipr_timeout(struct ipr_cmnd *ipr_cmd) -+static void ipr_timeout(unsigned long _ipr_cmd) - { -+ struct ipr_cmnd *ipr_cmd = (struct ipr_cmnd *)_ipr_cmd; - unsigned long lock_flags = 0; - struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; - -@@ -2654,8 +2655,9 @@ static void ipr_timeout(struct ipr_cmnd *ipr_cmd) - * Return value: - * none - **/ --static void ipr_oper_timeout(struct ipr_cmnd *ipr_cmd) -+static void ipr_oper_timeout(unsigned long _ipr_cmd) - { -+ struct ipr_cmnd *ipr_cmd = (struct ipr_cmnd *)_ipr_cmd; - unsigned long lock_flags = 0; - struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; - -@@ -5348,8 +5350,9 @@ static void ipr_bus_reset_done(struct ipr_cmnd *ipr_cmd) - * Return value: - * none - **/ --static void ipr_abort_timeout(struct ipr_cmnd *ipr_cmd) -+static void ipr_abort_timeout(unsigned long _ipr_cmd) - { -+ struct ipr_cmnd *ipr_cmd = (struct ipr_cmnd *)_ipr_cmd; - struct ipr_cmnd *reset_cmd; - struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; - struct ipr_cmd_pkt *cmd_pkt; -@@ -8125,8 +8128,9 @@ static int ipr_ioafp_identify_hrrq(struct ipr_cmnd *ipr_cmd) - * Return value: - * none - **/ --static void ipr_reset_timer_done(struct ipr_cmnd *ipr_cmd) -+static void ipr_reset_timer_done(unsigned long _ipr_cmd) - { -+ struct ipr_cmnd *ipr_cmd = (struct ipr_cmnd *)_ipr_cmd; - struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; - unsigned long lock_flags = 0; - -@@ -8164,7 +8168,7 @@ static void ipr_reset_start_timer(struct ipr_cmnd *ipr_cmd, - - ipr_cmd->timer.data = (unsigned long) ipr_cmd; - ipr_cmd->timer.expires = jiffies + timeout; -- ipr_cmd->timer.function = (void (*)(unsigned long))ipr_reset_timer_done; -+ ipr_cmd->timer.function = ipr_reset_timer_done; - add_timer(&ipr_cmd->timer); - } - -@@ -8194,9 +8198,9 @@ static void ipr_init_ioa_mem(struct ipr_ioa_cfg *ioa_cfg) - - ioa_cfg->identify_hrrq_index = 0; - if (ioa_cfg->hrrq_num == 1) -- atomic_set(&ioa_cfg->hrrq_index, 0); -+ atomic_set_unchecked(&ioa_cfg->hrrq_index, 0); - else -- atomic_set(&ioa_cfg->hrrq_index, 1); -+ atomic_set_unchecked(&ioa_cfg->hrrq_index, 1); - - /* Zero out config table */ - memset(ioa_cfg->u.cfg_table, 0, ioa_cfg->cfg_table_size); -@@ -8250,7 +8254,7 @@ static int ipr_reset_next_stage(struct ipr_cmnd *ipr_cmd) - - ipr_cmd->timer.data = (unsigned long) ipr_cmd; - ipr_cmd->timer.expires = jiffies + stage_time * HZ; -- ipr_cmd->timer.function = (void (*)(unsigned long))ipr_oper_timeout; -+ ipr_cmd->timer.function = ipr_oper_timeout; - ipr_cmd->done = ipr_reset_ioa_job; - add_timer(&ipr_cmd->timer); - -@@ -8322,7 +8326,7 @@ static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd) - - ipr_cmd->timer.data = (unsigned long) ipr_cmd; - ipr_cmd->timer.expires = jiffies + (ioa_cfg->transop_timeout * HZ); -- ipr_cmd->timer.function = (void (*)(unsigned long))ipr_oper_timeout; -+ ipr_cmd->timer.function = ipr_oper_timeout; - ipr_cmd->done = ipr_reset_ioa_job; - add_timer(&ipr_cmd->timer); - list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); -@@ -9310,7 +9314,7 @@ static void ipr_pci_perm_failure(struct pci_dev *pdev) - * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT - */ - static pci_ers_result_t ipr_pci_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - switch (state) { - case pci_channel_io_frozen: -diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h -index 8995053..454107d 100644 ---- a/drivers/scsi/ipr.h -+++ b/drivers/scsi/ipr.h -@@ -1543,7 +1543,7 @@ struct ipr_ioa_cfg { - - struct ipr_hrr_queue hrrq[IPR_MAX_HRRQ_NUM]; - u32 hrrq_num; -- atomic_t hrrq_index; -+ atomic_unchecked_t hrrq_index; - u16 identify_hrrq_index; - - struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES]; -diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c -index 16ca31a..f5adf48 100644 ---- a/drivers/scsi/libfc/fc_exch.c -+++ b/drivers/scsi/libfc/fc_exch.c -@@ -101,12 +101,12 @@ struct fc_exch_mgr { - u16 pool_max_index; - - struct { -- atomic_t no_free_exch; -- atomic_t no_free_exch_xid; -- atomic_t xid_not_found; -- atomic_t xid_busy; -- atomic_t seq_not_found; -- atomic_t non_bls_resp; -+ atomic_unchecked_t no_free_exch; -+ atomic_unchecked_t no_free_exch_xid; -+ atomic_unchecked_t xid_not_found; -+ atomic_unchecked_t xid_busy; -+ atomic_unchecked_t seq_not_found; -+ atomic_unchecked_t non_bls_resp; - } stats; - }; - -@@ -809,7 +809,7 @@ static struct fc_exch *fc_exch_em_alloc(struct fc_lport *lport, - /* allocate memory for exchange */ - ep = mempool_alloc(mp->ep_pool, GFP_ATOMIC); - if (!ep) { -- atomic_inc(&mp->stats.no_free_exch); -+ atomic_inc_unchecked(&mp->stats.no_free_exch); - goto out; - } - memset(ep, 0, sizeof(*ep)); -@@ -872,7 +872,7 @@ static struct fc_exch *fc_exch_em_alloc(struct fc_lport *lport, - return ep; - err: - spin_unlock_bh(&pool->lock); -- atomic_inc(&mp->stats.no_free_exch_xid); -+ atomic_inc_unchecked(&mp->stats.no_free_exch_xid); - mempool_free(ep, mp->ep_pool); - return NULL; - } -@@ -1029,7 +1029,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport, - xid = ntohs(fh->fh_ox_id); /* we originated exch */ - ep = fc_exch_find(mp, xid); - if (!ep) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - reject = FC_RJT_OX_ID; - goto out; - } -@@ -1059,7 +1059,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport, - ep = fc_exch_find(mp, xid); - if ((f_ctl & FC_FC_FIRST_SEQ) && fc_sof_is_init(fr_sof(fp))) { - if (ep) { -- atomic_inc(&mp->stats.xid_busy); -+ atomic_inc_unchecked(&mp->stats.xid_busy); - reject = FC_RJT_RX_ID; - goto rel; - } -@@ -1070,7 +1070,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport, - } - xid = ep->xid; /* get our XID */ - } else if (!ep) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - reject = FC_RJT_RX_ID; /* XID not found */ - goto out; - } -@@ -1088,7 +1088,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport, - } else { - sp = &ep->seq; - if (sp->id != fh->fh_seq_id) { -- atomic_inc(&mp->stats.seq_not_found); -+ atomic_inc_unchecked(&mp->stats.seq_not_found); - if (f_ctl & FC_FC_END_SEQ) { - /* - * Update sequence_id based on incoming last -@@ -1539,22 +1539,22 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp) - - ep = fc_exch_find(mp, ntohs(fh->fh_ox_id)); - if (!ep) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - goto out; - } - if (ep->esb_stat & ESB_ST_COMPLETE) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - goto rel; - } - if (ep->rxid == FC_XID_UNKNOWN) - ep->rxid = ntohs(fh->fh_rx_id); - if (ep->sid != 0 && ep->sid != ntoh24(fh->fh_d_id)) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - goto rel; - } - if (ep->did != ntoh24(fh->fh_s_id) && - ep->did != FC_FID_FLOGI) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - goto rel; - } - sof = fr_sof(fp); -@@ -1563,7 +1563,7 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp) - sp->ssb_stat |= SSB_ST_RESP; - sp->id = fh->fh_seq_id; - } else if (sp->id != fh->fh_seq_id) { -- atomic_inc(&mp->stats.seq_not_found); -+ atomic_inc_unchecked(&mp->stats.seq_not_found); - goto rel; - } - -@@ -1626,9 +1626,9 @@ static void fc_exch_recv_resp(struct fc_exch_mgr *mp, struct fc_frame *fp) - sp = fc_seq_lookup_orig(mp, fp); /* doesn't hold sequence */ - - if (!sp) -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - else -- atomic_inc(&mp->stats.non_bls_resp); -+ atomic_inc_unchecked(&mp->stats.non_bls_resp); - - fc_frame_free(fp); - } -@@ -2268,13 +2268,13 @@ void fc_exch_update_stats(struct fc_lport *lport) - - list_for_each_entry(ema, &lport->ema_list, ema_list) { - mp = ema->mp; -- st->fc_no_free_exch += atomic_read(&mp->stats.no_free_exch); -+ st->fc_no_free_exch += atomic_read_unchecked(&mp->stats.no_free_exch); - st->fc_no_free_exch_xid += -- atomic_read(&mp->stats.no_free_exch_xid); -- st->fc_xid_not_found += atomic_read(&mp->stats.xid_not_found); -- st->fc_xid_busy += atomic_read(&mp->stats.xid_busy); -- st->fc_seq_not_found += atomic_read(&mp->stats.seq_not_found); -- st->fc_non_bls_resp += atomic_read(&mp->stats.non_bls_resp); -+ atomic_read_unchecked(&mp->stats.no_free_exch_xid); -+ st->fc_xid_not_found += atomic_read_unchecked(&mp->stats.xid_not_found); -+ st->fc_xid_busy += atomic_read_unchecked(&mp->stats.xid_busy); -+ st->fc_seq_not_found += atomic_read_unchecked(&mp->stats.seq_not_found); -+ st->fc_non_bls_resp += atomic_read_unchecked(&mp->stats.non_bls_resp); - } - } - EXPORT_SYMBOL(fc_exch_update_stats); -diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c -index 87f5e694..934a151 100644 ---- a/drivers/scsi/libsas/sas_ata.c -+++ b/drivers/scsi/libsas/sas_ata.c -@@ -532,7 +532,7 @@ static struct ata_port_operations sas_sata_ops = { - .postreset = ata_std_postreset, - .error_handler = ata_std_error_handler, - .post_internal_cmd = sas_ata_post_internal, -- .qc_defer = ata_std_qc_defer, -+ .qc_defer = ata_std_qc_defer, - .qc_prep = ata_noop_qc_prep, - .qc_issue = sas_ata_qc_issue, - .qc_fill_rtf = sas_ata_qc_fill_rtf, -diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h -index b484859..1ea4db4 100644 ---- a/drivers/scsi/lpfc/lpfc.h -+++ b/drivers/scsi/lpfc/lpfc.h -@@ -430,7 +430,7 @@ struct lpfc_vport { - struct dentry *debug_nodelist; - struct dentry *vport_debugfs_root; - struct lpfc_debugfs_trc *disc_trc; -- atomic_t disc_trc_cnt; -+ atomic_unchecked_t disc_trc_cnt; - #endif - uint8_t stat_data_enabled; - uint8_t stat_data_blocked; -@@ -898,8 +898,8 @@ struct lpfc_hba { - struct timer_list fabric_block_timer; - unsigned long bit_flags; - #define FABRIC_COMANDS_BLOCKED 0 -- atomic_t num_rsrc_err; -- atomic_t num_cmd_success; -+ atomic_unchecked_t num_rsrc_err; -+ atomic_unchecked_t num_cmd_success; - unsigned long last_rsrc_error_time; - unsigned long last_ramp_down_time; - #ifdef CONFIG_SCSI_LPFC_DEBUG_FS -@@ -934,7 +934,7 @@ struct lpfc_hba { - - struct dentry *debug_slow_ring_trc; - struct lpfc_debugfs_trc *slow_ring_trc; -- atomic_t slow_ring_trc_cnt; -+ atomic_unchecked_t slow_ring_trc_cnt; - /* iDiag debugfs sub-directory */ - struct dentry *idiag_root; - struct dentry *idiag_pci_cfg; -diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c -index a63542b..80692ee 100644 ---- a/drivers/scsi/lpfc/lpfc_debugfs.c -+++ b/drivers/scsi/lpfc/lpfc_debugfs.c -@@ -106,7 +106,7 @@ MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc, - - #include - --static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0); -+static atomic_unchecked_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0); - static unsigned long lpfc_debugfs_start_time = 0L; - - /* iDiag */ -@@ -147,7 +147,7 @@ lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size) - lpfc_debugfs_enable = 0; - - len = 0; -- index = (atomic_read(&vport->disc_trc_cnt) + 1) & -+ index = (atomic_read_unchecked(&vport->disc_trc_cnt) + 1) & - (lpfc_debugfs_max_disc_trc - 1); - for (i = index; i < lpfc_debugfs_max_disc_trc; i++) { - dtp = vport->disc_trc + i; -@@ -213,7 +213,7 @@ lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size) - lpfc_debugfs_enable = 0; - - len = 0; -- index = (atomic_read(&phba->slow_ring_trc_cnt) + 1) & -+ index = (atomic_read_unchecked(&phba->slow_ring_trc_cnt) + 1) & - (lpfc_debugfs_max_slow_ring_trc - 1); - for (i = index; i < lpfc_debugfs_max_slow_ring_trc; i++) { - dtp = phba->slow_ring_trc + i; -@@ -646,14 +646,14 @@ lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt, - !vport || !vport->disc_trc) - return; - -- index = atomic_inc_return(&vport->disc_trc_cnt) & -+ index = atomic_inc_return_unchecked(&vport->disc_trc_cnt) & - (lpfc_debugfs_max_disc_trc - 1); - dtp = vport->disc_trc + index; - dtp->fmt = fmt; - dtp->data1 = data1; - dtp->data2 = data2; - dtp->data3 = data3; -- dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); -+ dtp->seq_cnt = atomic_inc_return_unchecked(&lpfc_debugfs_seq_trc_cnt); - dtp->jif = jiffies; - #endif - return; -@@ -684,14 +684,14 @@ lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt, - !phba || !phba->slow_ring_trc) - return; - -- index = atomic_inc_return(&phba->slow_ring_trc_cnt) & -+ index = atomic_inc_return_unchecked(&phba->slow_ring_trc_cnt) & - (lpfc_debugfs_max_slow_ring_trc - 1); - dtp = phba->slow_ring_trc + index; - dtp->fmt = fmt; - dtp->data1 = data1; - dtp->data2 = data2; - dtp->data3 = data3; -- dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); -+ dtp->seq_cnt = atomic_inc_return_unchecked(&lpfc_debugfs_seq_trc_cnt); - dtp->jif = jiffies; - #endif - return; -@@ -4268,7 +4268,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) - "slow_ring buffer\n"); - goto debug_failed; - } -- atomic_set(&phba->slow_ring_trc_cnt, 0); -+ atomic_set_unchecked(&phba->slow_ring_trc_cnt, 0); - memset(phba->slow_ring_trc, 0, - (sizeof(struct lpfc_debugfs_trc) * - lpfc_debugfs_max_slow_ring_trc)); -@@ -4314,7 +4314,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) - "buffer\n"); - goto debug_failed; - } -- atomic_set(&vport->disc_trc_cnt, 0); -+ atomic_set_unchecked(&vport->disc_trc_cnt, 0); - - snprintf(name, sizeof(name), "discovery_trace"); - vport->debug_disc_trc = -diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c -index f7e3f27..e77bed0 100644 ---- a/drivers/scsi/lpfc/lpfc_init.c -+++ b/drivers/scsi/lpfc/lpfc_init.c -@@ -11127,7 +11127,7 @@ lpfc_pci_resume_one(struct pci_dev *pdev) - * PCI_ERS_RESULT_DISCONNECT - device could not be recovered - **/ - static pci_ers_result_t --lpfc_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) -+lpfc_io_error_detected(struct pci_dev *pdev, enum pci_channel_state state) - { - struct Scsi_Host *shost = pci_get_drvdata(pdev); - struct lpfc_hba *phba = ((struct lpfc_vport *)shost->hostdata)->phba; -@@ -11435,8 +11435,10 @@ lpfc_init(void) - printk(KERN_ERR "Could not register lpfcmgmt device, " - "misc_register returned with status %d", error); - -- lpfc_transport_functions.vport_create = lpfc_vport_create; -- lpfc_transport_functions.vport_delete = lpfc_vport_delete; -+ pax_open_kernel(); -+ const_cast(lpfc_transport_functions.vport_create) = lpfc_vport_create; -+ const_cast(lpfc_transport_functions.vport_delete) = lpfc_vport_delete; -+ pax_close_kernel(); - lpfc_transport_template = - fc_attach_transport(&lpfc_transport_functions); - if (lpfc_transport_template == NULL) -diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c -index d197aa1..c1178a6 100644 ---- a/drivers/scsi/lpfc/lpfc_scsi.c -+++ b/drivers/scsi/lpfc/lpfc_scsi.c -@@ -261,7 +261,7 @@ lpfc_rampdown_queue_depth(struct lpfc_hba *phba) - unsigned long expires; - - spin_lock_irqsave(&phba->hbalock, flags); -- atomic_inc(&phba->num_rsrc_err); -+ atomic_inc_unchecked(&phba->num_rsrc_err); - phba->last_rsrc_error_time = jiffies; - - expires = phba->last_ramp_down_time + QUEUE_RAMP_DOWN_INTERVAL; -@@ -303,8 +303,8 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba) - unsigned long num_rsrc_err, num_cmd_success; - int i; - -- num_rsrc_err = atomic_read(&phba->num_rsrc_err); -- num_cmd_success = atomic_read(&phba->num_cmd_success); -+ num_rsrc_err = atomic_read_unchecked(&phba->num_rsrc_err); -+ num_cmd_success = atomic_read_unchecked(&phba->num_cmd_success); - - /* - * The error and success command counters are global per -@@ -331,8 +331,8 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba) - } - } - lpfc_destroy_vport_work_array(phba, vports); -- atomic_set(&phba->num_rsrc_err, 0); -- atomic_set(&phba->num_cmd_success, 0); -+ atomic_set_unchecked(&phba->num_rsrc_err, 0); -+ atomic_set_unchecked(&phba->num_cmd_success, 0); - } - - /** -diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h -index 3aaea71..6cd098b 100644 ---- a/drivers/scsi/megaraid/megaraid_sas.h -+++ b/drivers/scsi/megaraid/megaraid_sas.h -@@ -2048,7 +2048,7 @@ struct megasas_instance { - s8 init_id; - - u16 max_num_sge; -- u16 max_fw_cmds; -+ u16 max_fw_cmds __intentional_overflow(-1); - u16 max_mfi_cmds; - u16 max_scsi_cmds; - u16 ldio_threshold; -diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c -index a1a5ceb..8e83e34 100644 ---- a/drivers/scsi/mpt3sas/mpt3sas_base.c -+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c -@@ -105,7 +105,7 @@ _base_get_ioc_facts(struct MPT3SAS_ADAPTER *ioc); - * - */ - static int --_scsih_set_fwfault_debug(const char *val, struct kernel_param *kp) -+_scsih_set_fwfault_debug(const char *val, const struct kernel_param *kp) - { - int ret = param_set_int(val, kp); - struct MPT3SAS_ADAPTER *ioc; -diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c -index 8a7941b..eb919a5 100644 ---- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c -+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c -@@ -281,7 +281,7 @@ struct _scsi_io_transfer { - * Note: The logging levels are defined in mpt3sas_debug.h. - */ - static int --_scsih_set_debug_level(const char *val, struct kernel_param *kp) -+_scsih_set_debug_level(const char *val, const struct kernel_param *kp) - { - int ret = param_set_int(val, kp); - struct MPT3SAS_ADAPTER *ioc; -@@ -8955,7 +8955,7 @@ scsih_resume(struct pci_dev *pdev) - * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT - */ - static pci_ers_result_t --scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) -+scsih_pci_error_detected(struct pci_dev *pdev, enum pci_channel_state state) - { - struct Scsi_Host *shost = pci_get_drvdata(pdev); - struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); -diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c -index 68a5c34..c88d66b 100644 ---- a/drivers/scsi/pmcraid.c -+++ b/drivers/scsi/pmcraid.c -@@ -201,8 +201,8 @@ static int pmcraid_slave_alloc(struct scsi_device *scsi_dev) - res->scsi_dev = scsi_dev; - scsi_dev->hostdata = res; - res->change_detected = 0; -- atomic_set(&res->read_failures, 0); -- atomic_set(&res->write_failures, 0); -+ atomic_set_unchecked(&res->read_failures, 0); -+ atomic_set_unchecked(&res->write_failures, 0); - rc = 0; - } - spin_unlock_irqrestore(&pinstance->resource_lock, lock_flags); -@@ -557,8 +557,9 @@ static void pmcraid_reset_type(struct pmcraid_instance *pinstance) - - static void pmcraid_ioa_reset(struct pmcraid_cmd *); - --static void pmcraid_bist_done(struct pmcraid_cmd *cmd) -+static void pmcraid_bist_done(unsigned long _cmd) - { -+ struct pmcraid_cmd *cmd = (struct pmcraid_cmd *)_cmd; - struct pmcraid_instance *pinstance = cmd->drv_inst; - unsigned long lock_flags; - int rc; -@@ -573,8 +574,7 @@ static void pmcraid_bist_done(struct pmcraid_cmd *cmd) - cmd->timer.expires = jiffies + cmd->time_left; - cmd->time_left = 0; - cmd->timer.data = (unsigned long)cmd; -- cmd->timer.function = -- (void (*)(unsigned long))pmcraid_bist_done; -+ cmd->timer.function = pmcraid_bist_done; - add_timer(&cmd->timer); - } else { - cmd->time_left = 0; -@@ -607,7 +607,7 @@ static void pmcraid_start_bist(struct pmcraid_cmd *cmd) - cmd->time_left = msecs_to_jiffies(PMCRAID_BIST_TIMEOUT); - cmd->timer.data = (unsigned long)cmd; - cmd->timer.expires = jiffies + msecs_to_jiffies(PMCRAID_BIST_TIMEOUT); -- cmd->timer.function = (void (*)(unsigned long))pmcraid_bist_done; -+ cmd->timer.function = pmcraid_bist_done; - add_timer(&cmd->timer); - } - -@@ -617,8 +617,9 @@ static void pmcraid_start_bist(struct pmcraid_cmd *cmd) - * Return value - * None - */ --static void pmcraid_reset_alert_done(struct pmcraid_cmd *cmd) -+static void pmcraid_reset_alert_done(unsigned long _cmd) - { -+ struct pmcraid_cmd *cmd = (struct pmcraid_cmd *)_cmd; - struct pmcraid_instance *pinstance = cmd->drv_inst; - u32 status = ioread32(pinstance->ioa_status); - unsigned long lock_flags; -@@ -639,8 +640,7 @@ static void pmcraid_reset_alert_done(struct pmcraid_cmd *cmd) - cmd->time_left -= PMCRAID_CHECK_FOR_RESET_TIMEOUT; - cmd->timer.data = (unsigned long)cmd; - cmd->timer.expires = jiffies + PMCRAID_CHECK_FOR_RESET_TIMEOUT; -- cmd->timer.function = -- (void (*)(unsigned long))pmcraid_reset_alert_done; -+ cmd->timer.function = pmcraid_reset_alert_done; - add_timer(&cmd->timer); - } - } -@@ -678,8 +678,7 @@ static void pmcraid_reset_alert(struct pmcraid_cmd *cmd) - cmd->time_left = PMCRAID_RESET_TIMEOUT; - cmd->timer.data = (unsigned long)cmd; - cmd->timer.expires = jiffies + PMCRAID_CHECK_FOR_RESET_TIMEOUT; -- cmd->timer.function = -- (void (*)(unsigned long))pmcraid_reset_alert_done; -+ cmd->timer.function = pmcraid_reset_alert_done; - add_timer(&cmd->timer); - - iowrite32(DOORBELL_IOA_RESET_ALERT, -@@ -704,8 +703,9 @@ static void pmcraid_reset_alert(struct pmcraid_cmd *cmd) - * Return value: - * None - */ --static void pmcraid_timeout_handler(struct pmcraid_cmd *cmd) -+static void pmcraid_timeout_handler(unsigned long _cmd) - { -+ struct pmcraid_cmd *cmd = (struct pmcraid_cmd *)_cmd; - struct pmcraid_instance *pinstance = cmd->drv_inst; - unsigned long lock_flags; - -@@ -920,7 +920,7 @@ static void pmcraid_send_cmd( - struct pmcraid_cmd *cmd, - void (*cmd_done) (struct pmcraid_cmd *), - unsigned long timeout, -- void (*timeout_func) (struct pmcraid_cmd *) -+ void (*timeout_func) (unsigned long) - ) - { - /* initialize done function */ -@@ -930,7 +930,7 @@ static void pmcraid_send_cmd( - /* setup timeout handler */ - cmd->timer.data = (unsigned long)cmd; - cmd->timer.expires = jiffies + timeout; -- cmd->timer.function = (void (*)(unsigned long))timeout_func; -+ cmd->timer.function = timeout_func; - add_timer(&cmd->timer); - } - -@@ -1968,7 +1968,7 @@ static void pmcraid_soft_reset(struct pmcraid_cmd *cmd) - cmd->timer.data = (unsigned long)cmd; - cmd->timer.expires = jiffies + - msecs_to_jiffies(PMCRAID_TRANSOP_TIMEOUT); -- cmd->timer.function = (void (*)(unsigned long))pmcraid_timeout_handler; -+ cmd->timer.function = pmcraid_timeout_handler; - - if (!timer_pending(&cmd->timer)) - add_timer(&cmd->timer); -@@ -2641,9 +2641,9 @@ static int pmcraid_error_handler(struct pmcraid_cmd *cmd) - - /* If this was a SCSI read/write command keep count of errors */ - if (SCSI_CMD_TYPE(scsi_cmd->cmnd[0]) == SCSI_READ_CMD) -- atomic_inc(&res->read_failures); -+ atomic_inc_unchecked(&res->read_failures); - else if (SCSI_CMD_TYPE(scsi_cmd->cmnd[0]) == SCSI_WRITE_CMD) -- atomic_inc(&res->write_failures); -+ atomic_inc_unchecked(&res->write_failures); - - if (!RES_IS_GSCSI(res->cfg_entry) && - masked_ioasc != PMCRAID_IOASC_HW_DEVICE_BUS_STATUS_ERROR) { -@@ -3469,7 +3469,7 @@ static int pmcraid_queuecommand_lck( - * block of scsi_cmd which is re-used (e.g. cancel/abort), which uses - * hrrq_id assigned here in queuecommand - */ -- ioarcb->hrrq_id = atomic_add_return(1, &(pinstance->last_message_id)) % -+ ioarcb->hrrq_id = atomic_add_return_unchecked(1, &(pinstance->last_message_id)) % - pinstance->num_hrrq; - cmd->cmd_done = pmcraid_io_done; - -@@ -3783,7 +3783,7 @@ static long pmcraid_ioctl_passthrough( - * block of scsi_cmd which is re-used (e.g. cancel/abort), which uses - * hrrq_id assigned here in queuecommand - */ -- ioarcb->hrrq_id = atomic_add_return(1, &(pinstance->last_message_id)) % -+ ioarcb->hrrq_id = atomic_add_return_unchecked(1, &(pinstance->last_message_id)) % - pinstance->num_hrrq; - - if (request_size) { -@@ -4420,7 +4420,7 @@ static void pmcraid_worker_function(struct work_struct *workp) - - pinstance = container_of(workp, struct pmcraid_instance, worker_q); - /* add resources only after host is added into system */ -- if (!atomic_read(&pinstance->expose_resources)) -+ if (!atomic_read_unchecked(&pinstance->expose_resources)) - return; - - fw_version = be16_to_cpu(pinstance->inq_data->fw_version); -@@ -5237,8 +5237,8 @@ static int pmcraid_init_instance(struct pci_dev *pdev, struct Scsi_Host *host, - init_waitqueue_head(&pinstance->reset_wait_q); - - atomic_set(&pinstance->outstanding_cmds, 0); -- atomic_set(&pinstance->last_message_id, 0); -- atomic_set(&pinstance->expose_resources, 0); -+ atomic_set_unchecked(&pinstance->last_message_id, 0); -+ atomic_set_unchecked(&pinstance->expose_resources, 0); - - INIT_LIST_HEAD(&pinstance->free_res_q); - INIT_LIST_HEAD(&pinstance->used_res_q); -@@ -5949,7 +5949,7 @@ static int pmcraid_probe(struct pci_dev *pdev, - /* Schedule worker thread to handle CCN and take care of adding and - * removing devices to OS - */ -- atomic_set(&pinstance->expose_resources, 1); -+ atomic_set_unchecked(&pinstance->expose_resources, 1); - schedule_work(&pinstance->worker_q); - return rc; - -diff --git a/drivers/scsi/pmcraid.h b/drivers/scsi/pmcraid.h -index e1d150f..6c6df44 100644 ---- a/drivers/scsi/pmcraid.h -+++ b/drivers/scsi/pmcraid.h -@@ -748,7 +748,7 @@ struct pmcraid_instance { - struct pmcraid_isr_param hrrq_vector[PMCRAID_NUM_MSIX_VECTORS]; - - /* Message id as filled in last fired IOARCB, used to identify HRRQ */ -- atomic_t last_message_id; -+ atomic_unchecked_t last_message_id; - - /* configuration table */ - struct pmcraid_config_table *cfg_table; -@@ -777,7 +777,7 @@ struct pmcraid_instance { - atomic_t outstanding_cmds; - - /* should add/delete resources to mid-layer now ?*/ -- atomic_t expose_resources; -+ atomic_unchecked_t expose_resources; - - - -@@ -813,8 +813,8 @@ struct pmcraid_resource_entry { - struct pmcraid_config_table_entry_ext cfg_entry_ext; - }; - struct scsi_device *scsi_dev; /* Link scsi_device structure */ -- atomic_t read_failures; /* count of failed READ commands */ -- atomic_t write_failures; /* count of failed WRITE commands */ -+ atomic_unchecked_t read_failures; /* count of failed READ commands */ -+ atomic_unchecked_t write_failures; /* count of failed WRITE commands */ - - /* To indicate add/delete/modify during CCN */ - u8 change_detected; -diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c -index ad33238..61286a2 100644 ---- a/drivers/scsi/qla2xxx/qla_attr.c -+++ b/drivers/scsi/qla2xxx/qla_attr.c -@@ -2184,7 +2184,7 @@ qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable) - return 0; - } - --struct fc_function_template qla2xxx_transport_functions = { -+fc_function_template_no_const qla2xxx_transport_functions = { - - .show_host_node_name = 1, - .show_host_port_name = 1, -@@ -2232,7 +2232,7 @@ struct fc_function_template qla2xxx_transport_functions = { - .bsg_timeout = qla24xx_bsg_timeout, - }; - --struct fc_function_template qla2xxx_transport_vport_functions = { -+fc_function_template_no_const qla2xxx_transport_vport_functions = { - - .show_host_node_name = 1, - .show_host_port_name = 1, -diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h -index 6ca0081..fbb9efd 100644 ---- a/drivers/scsi/qla2xxx/qla_gbl.h -+++ b/drivers/scsi/qla2xxx/qla_gbl.h -@@ -178,8 +178,8 @@ extern void qla2x00_disable_board_on_pci_error(struct work_struct *); - */ - extern struct scsi_host_template qla2xxx_driver_template; - extern struct scsi_transport_template *qla2xxx_transport_vport_template; --extern void qla2x00_timer(scsi_qla_host_t *); --extern void qla2x00_start_timer(scsi_qla_host_t *, void *, unsigned long); -+extern void qla2x00_timer(unsigned long); -+extern void qla2x00_start_timer(scsi_qla_host_t *, void (*)(unsigned long), unsigned long); - extern void qla24xx_deallocate_vp_id(scsi_qla_host_t *); - extern int qla24xx_disable_vp (scsi_qla_host_t *); - extern int qla24xx_enable_vp (scsi_qla_host_t *); -@@ -583,8 +583,8 @@ extern void qla2x00_get_sym_node_name(scsi_qla_host_t *, uint8_t *, size_t); - struct device_attribute; - extern struct device_attribute *qla2x00_host_attrs[]; - struct fc_function_template; --extern struct fc_function_template qla2xxx_transport_functions; --extern struct fc_function_template qla2xxx_transport_vport_functions; -+extern fc_function_template_no_const qla2xxx_transport_functions; -+extern fc_function_template_no_const qla2xxx_transport_vport_functions; - extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *); - extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *, bool); - extern void qla2x00_init_host_attr(scsi_qla_host_t *); -diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c -index 4f361d8..64d9741 100644 ---- a/drivers/scsi/qla2xxx/qla_os.c -+++ b/drivers/scsi/qla2xxx/qla_os.c -@@ -301,12 +301,12 @@ struct scsi_transport_template *qla2xxx_transport_vport_template = NULL; - */ - - __inline__ void --qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval) -+qla2x00_start_timer(scsi_qla_host_t *vha, void (*func)(unsigned long), unsigned long interval) - { - init_timer(&vha->timer); - vha->timer.expires = jiffies + interval * HZ; - vha->timer.data = (unsigned long)vha; -- vha->timer.function = (void (*)(unsigned long))func; -+ vha->timer.function = func; - add_timer(&vha->timer); - vha->timer_active = 1; - } -@@ -1529,8 +1529,10 @@ qla2x00_config_dma_addressing(struct qla_hw_data *ha) - !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { - /* Ok, a 64bit DMA mask is applicable. */ - ha->flags.enable_64bit_addressing = 1; -- ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64; -- ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64; -+ pax_open_kernel(); -+ const_cast(ha->isp_ops->calc_req_entries) = qla2x00_calc_iocbs_64; -+ const_cast(ha->isp_ops->build_iocbs) = qla2x00_build_scsi_iocbs_64; -+ pax_close_kernel(); - return; - } - } -@@ -5411,8 +5413,9 @@ qla2x00_rst_aen(scsi_qla_host_t *vha) - * Context: Interrupt - ***************************************************************************/ - void --qla2x00_timer(scsi_qla_host_t *vha) -+qla2x00_timer(unsigned long _vha) - { -+ scsi_qla_host_t *vha = (scsi_qla_host_t *)_vha; - unsigned long cpu_flags = 0; - int start_dpc = 0; - int index; -@@ -5674,7 +5677,7 @@ qla2x00_release_firmware(void) - } - - static pci_ers_result_t --qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) -+qla2xxx_pci_error_detected(struct pci_dev *pdev, enum pci_channel_state state) - { - scsi_qla_host_t *vha = pci_get_drvdata(pdev); - struct qla_hw_data *ha = vha->hw; -diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c -index feab7ea..94d8a9c 100644 ---- a/drivers/scsi/qla2xxx/qla_target.c -+++ b/drivers/scsi/qla2xxx/qla_target.c -@@ -678,7 +678,7 @@ static int qlt_reset(struct scsi_qla_host *vha, void *iocb, int mcmd) - loop_id = le16_to_cpu(n->u.isp24.nport_handle); - if (loop_id == 0xFFFF) { - /* Global event */ -- atomic_inc(&vha->vha_tgt.qla_tgt->tgt_global_resets_count); -+ atomic_inc_unchecked(&vha->vha_tgt.qla_tgt->tgt_global_resets_count); - spin_lock_irqsave(&ha->tgt.sess_lock, flags); - qlt_clear_tgt_db(vha->vha_tgt.qla_tgt); - spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); -@@ -845,8 +845,9 @@ static void qlt_undelete_sess(struct qla_tgt_sess *sess) - sess->deleted = 0; - } - --static void qlt_del_sess_work_fn(struct delayed_work *work) -+static void qlt_del_sess_work_fn(struct work_struct *_work) - { -+ struct delayed_work *work = container_of(_work, struct delayed_work, work); - struct qla_tgt *tgt = container_of(work, struct qla_tgt, - sess_del_work); - struct scsi_qla_host *vha = tgt->vha; -@@ -5831,7 +5832,7 @@ static struct qla_tgt_sess *qlt_make_local_sess(struct scsi_qla_host *vha, - - retry: - global_resets = -- atomic_read(&vha->vha_tgt.qla_tgt->tgt_global_resets_count); -+ atomic_read_unchecked(&vha->vha_tgt.qla_tgt->tgt_global_resets_count); - - rc = qla24xx_get_loop_id(vha, s_id, &loop_id); - if (rc != 0) { -@@ -5870,12 +5871,12 @@ static struct qla_tgt_sess *qlt_make_local_sess(struct scsi_qla_host *vha, - } - - if (global_resets != -- atomic_read(&vha->vha_tgt.qla_tgt->tgt_global_resets_count)) { -+ atomic_read_unchecked(&vha->vha_tgt.qla_tgt->tgt_global_resets_count)) { - ql_dbg(ql_dbg_tgt_mgt, vha, 0xf043, - "qla_target(%d): global reset during session discovery " - "(counter was %d, new %d), retrying", vha->vp_idx, - global_resets, -- atomic_read(&vha->vha_tgt. -+ atomic_read_unchecked(&vha->vha_tgt. - qla_tgt->tgt_global_resets_count)); - goto retry; - } -@@ -6086,8 +6087,7 @@ int qlt_add_target(struct qla_hw_data *ha, struct scsi_qla_host *base_vha) - init_waitqueue_head(&tgt->waitQ); - INIT_LIST_HEAD(&tgt->sess_list); - INIT_LIST_HEAD(&tgt->del_sess_list); -- INIT_DELAYED_WORK(&tgt->sess_del_work, -- (void (*)(struct work_struct *))qlt_del_sess_work_fn); -+ INIT_DELAYED_WORK(&tgt->sess_del_work, qlt_del_sess_work_fn); - spin_lock_init(&tgt->sess_work_lock); - INIT_WORK(&tgt->sess_work, qlt_sess_work_fn); - INIT_LIST_HEAD(&tgt->sess_works_list); -@@ -6095,7 +6095,7 @@ int qlt_add_target(struct qla_hw_data *ha, struct scsi_qla_host *base_vha) - INIT_LIST_HEAD(&tgt->srr_ctio_list); - INIT_LIST_HEAD(&tgt->srr_imm_list); - INIT_WORK(&tgt->srr_work, qlt_handle_srr_work); -- atomic_set(&tgt->tgt_global_resets_count, 0); -+ atomic_set_unchecked(&tgt->tgt_global_resets_count, 0); - - base_vha->vha_tgt.qla_tgt = tgt; - -diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h -index f26c5f6..e88e9c5 100644 ---- a/drivers/scsi/qla2xxx/qla_target.h -+++ b/drivers/scsi/qla2xxx/qla_target.h -@@ -876,7 +876,7 @@ struct qla_tgt { - struct list_head srr_imm_list; - struct work_struct srr_work; - -- atomic_t tgt_global_resets_count; -+ atomic_unchecked_t tgt_global_resets_count; - - struct list_head tgt_list_entry; - }; -diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h -index a7cfc27..151f483 100644 ---- a/drivers/scsi/qla4xxx/ql4_def.h -+++ b/drivers/scsi/qla4xxx/ql4_def.h -@@ -306,7 +306,7 @@ struct ddb_entry { - * (4000 only) */ - atomic_t relogin_timer; /* Max Time to wait for - * relogin to complete */ -- atomic_t relogin_retry_count; /* Num of times relogin has been -+ atomic_unchecked_t relogin_retry_count; /* Num of times relogin has been - * retried */ - uint32_t default_time2wait; /* Default Min time between - * relogins (+aens) */ -diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c -index 01c3610..f287da9 100644 ---- a/drivers/scsi/qla4xxx/ql4_os.c -+++ b/drivers/scsi/qla4xxx/ql4_os.c -@@ -3956,7 +3956,7 @@ void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, - * Timer routines - */ - --static void qla4xxx_start_timer(struct scsi_qla_host *ha, void *func, -+static void qla4xxx_start_timer(struct scsi_qla_host *ha, void (*func)(unsigned long), - unsigned long interval) - { - DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n", -@@ -3964,7 +3964,7 @@ static void qla4xxx_start_timer(struct scsi_qla_host *ha, void *func, - init_timer(&ha->timer); - ha->timer.expires = jiffies + interval * HZ; - ha->timer.data = (unsigned long)ha; -- ha->timer.function = (void (*)(unsigned long))func; -+ ha->timer.function = func; - add_timer(&ha->timer); - ha->timer_active = 1; - } -@@ -4490,12 +4490,12 @@ static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) - */ - if (!iscsi_is_session_online(cls_sess)) { - /* Reset retry relogin timer */ -- atomic_inc(&ddb_entry->relogin_retry_count); -+ atomic_inc_unchecked(&ddb_entry->relogin_retry_count); - DEBUG2(ql4_printk(KERN_INFO, ha, - "%s: index[%d] relogin timed out-retrying" - " relogin (%d), retry (%d)\n", __func__, - ddb_entry->fw_ddb_index, -- atomic_read(&ddb_entry->relogin_retry_count), -+ atomic_read_unchecked(&ddb_entry->relogin_retry_count), - ddb_entry->default_time2wait + 4)); - set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); - atomic_set(&ddb_entry->retry_relogin_timer, -@@ -4508,8 +4508,9 @@ static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) - * qla4xxx_timer - checks every second for work to do. - * @ha: Pointer to host adapter structure. - **/ --static void qla4xxx_timer(struct scsi_qla_host *ha) -+static void qla4xxx_timer(unsigned long _ha) - { -+ struct scsi_qla_host *ha = (struct scsi_qla_host *)_ha; - int start_dpc = 0; - uint16_t w; - -@@ -6603,7 +6604,7 @@ static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, - - atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); - atomic_set(&ddb_entry->relogin_timer, 0); -- atomic_set(&ddb_entry->relogin_retry_count, 0); -+ atomic_set_unchecked(&ddb_entry->relogin_retry_count, 0); - def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); - ddb_entry->default_relogin_timeout = - (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? -@@ -9557,7 +9558,7 @@ static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) - * RECOVERED - driver's pci_resume() - */ - static pci_ers_result_t --qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) -+qla4xxx_pci_error_detected(struct pci_dev *pdev, enum pci_channel_state state) - { - struct scsi_qla_host *ha = pci_get_drvdata(pdev); - -diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c -index 1deb6ad..3057db5 100644 ---- a/drivers/scsi/scsi.c -+++ b/drivers/scsi/scsi.c -@@ -591,7 +591,7 @@ void scsi_finish_command(struct scsi_cmnd *cmd) - - good_bytes = scsi_bufflen(cmd); - if (cmd->request->cmd_type != REQ_TYPE_BLOCK_PC) { -- int old_good_bytes = good_bytes; -+ unsigned int old_good_bytes = good_bytes; - drv = scsi_cmd_to_driver(cmd); - if (drv->done) - good_bytes = drv->done(cmd); -diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c -index cf04a36..54dd630 100644 ---- a/drivers/scsi/scsi_debug.c -+++ b/drivers/scsi/scsi_debug.c -@@ -290,10 +290,10 @@ struct sdebug_queue { - atomic_t blocked; /* to temporarily stop more being queued */ - }; - --static atomic_t sdebug_cmnd_count; /* number of incoming commands */ --static atomic_t sdebug_completions; /* count of deferred completions */ --static atomic_t sdebug_miss_cpus; /* submission + completion cpus differ */ --static atomic_t sdebug_a_tsf; /* 'almost task set full' counter */ -+static atomic_unchecked_t sdebug_cmnd_count; /* number of incoming commands */ -+static atomic_unchecked_t sdebug_completions; /* count of deferred completions */ -+static atomic_unchecked_t sdebug_miss_cpus; /* submission + completion cpus differ */ -+static atomic_unchecked_t sdebug_a_tsf; /* 'almost task set full' counter */ - - struct opcode_info_t { - u8 num_attached; /* 0 if this is it (i.e. a leaf); use 0xff */ -@@ -3493,9 +3493,9 @@ static void sdebug_q_cmd_complete(struct sdebug_defer *sd_dp) - qc_idx = sd_dp->qc_idx; - sqp = sdebug_q_arr + sd_dp->sqa_idx; - if (sdebug_statistics) { -- atomic_inc(&sdebug_completions); -+ atomic_inc_unchecked(&sdebug_completions); - if (raw_smp_processor_id() != sd_dp->issuing_cpu) -- atomic_inc(&sdebug_miss_cpus); -+ atomic_inc_unchecked(&sdebug_miss_cpus); - } - if (unlikely((qc_idx < 0) || (qc_idx >= SDEBUG_CANQUEUE))) { - pr_err("wild qc_idx=%d\n", qc_idx); -@@ -3967,23 +3967,23 @@ static void tweak_cmnd_count(void) - if (modulo < 2) - return; - block_unblock_all_queues(true); -- count = atomic_read(&sdebug_cmnd_count); -- atomic_set(&sdebug_cmnd_count, (count / modulo) * modulo); -+ count = atomic_read_unchecked(&sdebug_cmnd_count); -+ atomic_set_unchecked(&sdebug_cmnd_count, (count / modulo) * modulo); - block_unblock_all_queues(false); - } - - static void clear_queue_stats(void) - { -- atomic_set(&sdebug_cmnd_count, 0); -- atomic_set(&sdebug_completions, 0); -- atomic_set(&sdebug_miss_cpus, 0); -- atomic_set(&sdebug_a_tsf, 0); -+ atomic_set_unchecked(&sdebug_cmnd_count, 0); -+ atomic_set_unchecked(&sdebug_completions, 0); -+ atomic_set_unchecked(&sdebug_miss_cpus, 0); -+ atomic_set_unchecked(&sdebug_a_tsf, 0); - } - - static void setup_inject(struct sdebug_queue *sqp, - struct sdebug_queued_cmd *sqcp) - { -- if ((atomic_read(&sdebug_cmnd_count) % abs(sdebug_every_nth)) > 0) -+ if ((atomic_read_unchecked(&sdebug_cmnd_count) % abs(sdebug_every_nth)) > 0) - return; - sqcp->inj_recovered = !!(SDEBUG_OPT_RECOVERED_ERR & sdebug_opts); - sqcp->inj_transport = !!(SDEBUG_OPT_TRANSPORT_ERR & sdebug_opts); -@@ -4040,9 +4040,9 @@ static int schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip, - (SDEBUG_OPT_RARE_TSF & sdebug_opts) && - (scsi_result == 0))) { - if ((num_in_q == (qdepth - 1)) && -- (atomic_inc_return(&sdebug_a_tsf) >= -+ (atomic_inc_return_unchecked(&sdebug_a_tsf) >= - abs(sdebug_every_nth))) { -- atomic_set(&sdebug_a_tsf, 0); -+ atomic_set_unchecked(&sdebug_a_tsf, 0); - inject = 1; - scsi_result = device_qfull_result; - } -@@ -4297,10 +4297,10 @@ static int scsi_debug_show_info(struct seq_file *m, struct Scsi_Host *host) - TICK_NSEC / 1000, "statistics", sdebug_statistics, - sdebug_mq_active); - seq_printf(m, "cmnd_count=%d, completions=%d, %s=%d, a_tsf=%d\n", -- atomic_read(&sdebug_cmnd_count), -- atomic_read(&sdebug_completions), -- "miss_cpus", atomic_read(&sdebug_miss_cpus), -- atomic_read(&sdebug_a_tsf)); -+ atomic_read_unchecked(&sdebug_cmnd_count), -+ atomic_read_unchecked(&sdebug_completions), -+ "miss_cpus", atomic_read_unchecked(&sdebug_miss_cpus), -+ atomic_read_unchecked(&sdebug_a_tsf)); - - seq_printf(m, "submit_queues=%d\n", submit_queues); - for (j = 0, sqp = sdebug_q_arr; j < submit_queues; ++j, ++sqp) { -@@ -5253,7 +5253,7 @@ static int sdebug_change_qdepth(struct scsi_device *sdev, int qdepth) - - static bool fake_timeout(struct scsi_cmnd *scp) - { -- if (0 == (atomic_read(&sdebug_cmnd_count) % abs(sdebug_every_nth))) { -+ if (0 == (atomic_read_unchecked(&sdebug_cmnd_count) % abs(sdebug_every_nth))) { - if (sdebug_every_nth < -1) - sdebug_every_nth = -1; - if (SDEBUG_OPT_TIMEOUT & sdebug_opts) -@@ -5284,7 +5284,7 @@ static int scsi_debug_queuecommand(struct Scsi_Host *shost, - - scsi_set_resid(scp, 0); - if (sdebug_statistics) -- atomic_inc(&sdebug_cmnd_count); -+ atomic_inc_unchecked(&sdebug_cmnd_count); - if (unlikely(sdebug_verbose && - !(SDEBUG_OPT_NO_CDB_NOISE & sdebug_opts))) { - char b[120]; -diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c -index d8099c7..1c6eb29 100644 ---- a/drivers/scsi/scsi_lib.c -+++ b/drivers/scsi/scsi_lib.c -@@ -1514,7 +1514,7 @@ static void scsi_kill_request(struct request *req, struct request_queue *q) - shost = sdev->host; - scsi_init_cmd_errh(cmd); - cmd->result = DID_NO_CONNECT << 16; -- atomic_inc(&cmd->device->iorequest_cnt); -+ atomic_inc_unchecked(&cmd->device->iorequest_cnt); - - /* - * SCSI request completion path will do scsi_device_unbusy(), -@@ -1537,9 +1537,9 @@ static void scsi_softirq_done(struct request *rq) - - INIT_LIST_HEAD(&cmd->eh_entry); - -- atomic_inc(&cmd->device->iodone_cnt); -+ atomic_inc_unchecked(&cmd->device->iodone_cnt); - if (cmd->result) -- atomic_inc(&cmd->device->ioerr_cnt); -+ atomic_inc_unchecked(&cmd->device->ioerr_cnt); - - disposition = scsi_decide_disposition(cmd); - if (disposition != SUCCESS && -@@ -1580,7 +1580,7 @@ static int scsi_dispatch_cmd(struct scsi_cmnd *cmd) - struct Scsi_Host *host = cmd->device->host; - int rtn = 0; - -- atomic_inc(&cmd->device->iorequest_cnt); -+ atomic_inc_unchecked(&cmd->device->iorequest_cnt); - - /* check if the device is still usable */ - if (unlikely(cmd->device->sdev_state == SDEV_DEL)) { -diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c -index 82dfe07..2b3eeae 100644 ---- a/drivers/scsi/scsi_sysfs.c -+++ b/drivers/scsi/scsi_sysfs.c -@@ -848,7 +848,7 @@ show_iostat_##field(struct device *dev, struct device_attribute *attr, \ - char *buf) \ - { \ - struct scsi_device *sdev = to_scsi_device(dev); \ -- unsigned long long count = atomic_read(&sdev->field); \ -+ unsigned long long count = atomic_read_unchecked(&sdev->field); \ - return snprintf(buf, 20, "0x%llx\n", count); \ - } \ - static DEVICE_ATTR(field, S_IRUGO, show_iostat_##field, NULL) -diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c -index 0f3a386..1616cee 100644 ---- a/drivers/scsi/scsi_transport_fc.c -+++ b/drivers/scsi/scsi_transport_fc.c -@@ -502,7 +502,7 @@ static DECLARE_TRANSPORT_CLASS(fc_vport_class, - * Netlink Infrastructure - */ - --static atomic_t fc_event_seq; -+static atomic_unchecked_t fc_event_seq; - - /** - * fc_get_event_number - Obtain the next sequential FC event number -@@ -515,7 +515,7 @@ static atomic_t fc_event_seq; - u32 - fc_get_event_number(void) - { -- return atomic_add_return(1, &fc_event_seq); -+ return atomic_add_return_unchecked(1, &fc_event_seq); - } - EXPORT_SYMBOL(fc_get_event_number); - -@@ -659,7 +659,7 @@ static __init int fc_transport_init(void) - { - int error; - -- atomic_set(&fc_event_seq, 0); -+ atomic_set_unchecked(&fc_event_seq, 0); - - error = transport_class_register(&fc_host_class); - if (error) -@@ -849,7 +849,7 @@ static int fc_str_to_dev_loss(const char *buf, unsigned long *val) - char *cp; - - *val = simple_strtoul(buf, &cp, 0); -- if ((*cp && (*cp != '\n')) || (*val < 0)) -+ if (*cp && (*cp != '\n')) - return -EINVAL; - /* - * Check for overflow; dev_loss_tmo is u32 -diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c -index 42bca61..ceceb5d 100644 ---- a/drivers/scsi/scsi_transport_iscsi.c -+++ b/drivers/scsi/scsi_transport_iscsi.c -@@ -79,7 +79,7 @@ struct iscsi_internal { - struct transport_container session_cont; - }; - --static atomic_t iscsi_session_nr; /* sysfs session id for next new session */ -+static atomic_unchecked_t iscsi_session_nr; /* sysfs session id for next new session */ - static struct workqueue_struct *iscsi_eh_timer_workq; - - static DEFINE_IDA(iscsi_sess_ida); -@@ -2073,7 +2073,7 @@ int iscsi_add_session(struct iscsi_cls_session *session, unsigned int target_id) - int id = 0; - int err; - -- session->sid = atomic_add_return(1, &iscsi_session_nr); -+ session->sid = atomic_add_return_unchecked(1, &iscsi_session_nr); - - if (target_id == ISCSI_MAX_TARGET) { - id = ida_simple_get(&iscsi_sess_ida, 0, 0, GFP_KERNEL); -@@ -4523,7 +4523,7 @@ static __init int iscsi_transport_init(void) - printk(KERN_INFO "Loading iSCSI transport class v%s.\n", - ISCSI_TRANSPORT_VERSION); - -- atomic_set(&iscsi_session_nr, 0); -+ atomic_set_unchecked(&iscsi_session_nr, 0); - - err = class_register(&iscsi_transport_class); - if (err) -diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c -index 319868f..a00cda5 100644 ---- a/drivers/scsi/scsi_transport_spi.c -+++ b/drivers/scsi/scsi_transport_spi.c -@@ -758,7 +758,7 @@ spi_dv_device_compare_inquiry(struct scsi_device *sdev, u8 *buffer, - static enum spi_compare_returns - spi_dv_retrain(struct scsi_device *sdev, u8 *buffer, u8 *ptr, - enum spi_compare_returns -- (*compare_fn)(struct scsi_device *, u8 *, u8 *, int)) -+ (*compare_fn)(struct scsi_device *, u8 *, u8 *, const int)) - { - struct spi_internal *i = to_spi_internal(sdev->host->transportt); - struct scsi_target *starget = sdev->sdev_target; -diff --git a/drivers/scsi/scsi_transport_srp.c b/drivers/scsi/scsi_transport_srp.c -index e3cd3ec..97ab643 100644 ---- a/drivers/scsi/scsi_transport_srp.c -+++ b/drivers/scsi/scsi_transport_srp.c -@@ -35,7 +35,7 @@ - #include "scsi_priv.h" - - struct srp_host_attrs { -- atomic_t next_port_id; -+ atomic_unchecked_t next_port_id; - }; - #define to_srp_host_attrs(host) ((struct srp_host_attrs *)(host)->shost_data) - -@@ -105,7 +105,7 @@ static int srp_host_setup(struct transport_container *tc, struct device *dev, - struct Scsi_Host *shost = dev_to_shost(dev); - struct srp_host_attrs *srp_host = to_srp_host_attrs(shost); - -- atomic_set(&srp_host->next_port_id, 0); -+ atomic_set_unchecked(&srp_host->next_port_id, 0); - return 0; - } - -@@ -226,7 +226,7 @@ static ssize_t show_reconnect_delay(struct device *dev, - - static ssize_t store_reconnect_delay(struct device *dev, - struct device_attribute *attr, -- const char *buf, const size_t count) -+ const char *buf, size_t count) - { - struct srp_rport *rport = transport_class_to_srp_rport(dev); - int res, delay; -@@ -752,7 +752,7 @@ struct srp_rport *srp_rport_add(struct Scsi_Host *shost, - rport_fast_io_fail_timedout); - INIT_DELAYED_WORK(&rport->dev_loss_work, rport_dev_loss_timedout); - -- id = atomic_inc_return(&to_srp_host_attrs(shost)->next_port_id); -+ id = atomic_inc_return_unchecked(&to_srp_host_attrs(shost)->next_port_id); - dev_set_name(&rport->dev, "port-%d:%d", shost->host_no, id); - - transport_setup_device(&rport->dev); -diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c -index 51e5629..caef5f7 100644 ---- a/drivers/scsi/sd.c -+++ b/drivers/scsi/sd.c -@@ -113,7 +113,7 @@ static int sd_resume(struct device *); - static void sd_rescan(struct device *); - static int sd_init_command(struct scsi_cmnd *SCpnt); - static void sd_uninit_command(struct scsi_cmnd *SCpnt); --static int sd_done(struct scsi_cmnd *); -+static unsigned int sd_done(struct scsi_cmnd *); - static int sd_eh_action(struct scsi_cmnd *, int); - static void sd_read_capacity(struct scsi_disk *sdkp, unsigned char *buffer); - static void scsi_disk_release(struct device *cdev); -@@ -1768,7 +1768,7 @@ static unsigned int sd_completed_bytes(struct scsi_cmnd *scmd) - * - * Note: potentially run from within an ISR. Must not block. - **/ --static int sd_done(struct scsi_cmnd *SCpnt) -+static unsigned int sd_done(struct scsi_cmnd *SCpnt) - { - int result = SCpnt->result; - unsigned int good_bytes = result ? 0 : scsi_bufflen(SCpnt); -@@ -3081,7 +3081,7 @@ static int sd_probe(struct device *dev) - sdkp->disk = gd; - sdkp->index = index; - atomic_set(&sdkp->openers, 0); -- atomic_set(&sdkp->device->ioerr_cnt, 0); -+ atomic_set_unchecked(&sdkp->device->ioerr_cnt, 0); - - if (!sdp->request_queue->rq_timeout) { - if (sdp->type != TYPE_MOD) -diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c -index f753df2..2377b53 100644 ---- a/drivers/scsi/sg.c -+++ b/drivers/scsi/sg.c -@@ -1085,7 +1085,7 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg) - sdp->disk->disk_name, - MKDEV(SCSI_GENERIC_MAJOR, sdp->index), - NULL, -- (char *)arg); -+ (char __user *)arg); - case BLKTRACESTART: - return blk_trace_startstop(sdp->device->request_queue, 1); - case BLKTRACESTOP: -diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h -index 07b6444..b4d84e1 100644 ---- a/drivers/scsi/smartpqi/smartpqi.h -+++ b/drivers/scsi/smartpqi/smartpqi.h -@@ -956,7 +956,7 @@ struct pqi_ctrl_info { - struct pqi_event pending_events[PQI_NUM_SUPPORTED_EVENTS]; - struct work_struct event_work; - -- atomic_t num_interrupts; -+ atomic_unchecked_t num_interrupts; - int previous_num_interrupts; - unsigned int num_heartbeats_requested; - struct timer_list heartbeat_timer; -diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c -index a535b26..d62e7f1 100644 ---- a/drivers/scsi/smartpqi/smartpqi_init.c -+++ b/drivers/scsi/smartpqi/smartpqi_init.c -@@ -2727,7 +2727,7 @@ static void pqi_heartbeat_timer_handler(unsigned long data) - int num_interrupts; - struct pqi_ctrl_info *ctrl_info = (struct pqi_ctrl_info *)data; - -- num_interrupts = atomic_read(&ctrl_info->num_interrupts); -+ num_interrupts = atomic_read_unchecked(&ctrl_info->num_interrupts); - - if (num_interrupts == ctrl_info->previous_num_interrupts) { - ctrl_info->num_heartbeats_requested++; -@@ -2750,7 +2750,7 @@ static void pqi_heartbeat_timer_handler(unsigned long data) - static void pqi_start_heartbeat_timer(struct pqi_ctrl_info *ctrl_info) - { - ctrl_info->previous_num_interrupts = -- atomic_read(&ctrl_info->num_interrupts); -+ atomic_read_unchecked(&ctrl_info->num_interrupts); - - init_timer(&ctrl_info->heartbeat_timer); - ctrl_info->heartbeat_timer.expires = -@@ -2877,7 +2877,7 @@ static irqreturn_t pqi_irq_handler(int irq, void *data) - num_responses_handled += pqi_process_event_intr(ctrl_info); - - if (num_responses_handled) -- atomic_inc(&ctrl_info->num_interrupts); -+ atomic_inc_unchecked(&ctrl_info->num_interrupts); - - pqi_start_io(ctrl_info, queue_group, RAID_PATH, NULL); - pqi_start_io(ctrl_info, queue_group, AIO_PATH, NULL); -@@ -5535,7 +5535,7 @@ static struct pqi_ctrl_info *pqi_alloc_ctrl_info(int numa_node) - spin_lock_init(&ctrl_info->scsi_device_list_lock); - - INIT_WORK(&ctrl_info->event_work, pqi_event_worker); -- atomic_set(&ctrl_info->num_interrupts, 0); -+ atomic_set_unchecked(&ctrl_info->num_interrupts, 0); - - INIT_DELAYED_WORK(&ctrl_info->rescan_work, pqi_rescan_worker); - INIT_DELAYED_WORK(&ctrl_info->update_time_work, pqi_update_time_worker); -diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c -index bed2bbd..3abf75c 100644 ---- a/drivers/scsi/sr.c -+++ b/drivers/scsi/sr.c -@@ -80,7 +80,7 @@ static DEFINE_MUTEX(sr_mutex); - static int sr_probe(struct device *); - static int sr_remove(struct device *); - static int sr_init_command(struct scsi_cmnd *SCpnt); --static int sr_done(struct scsi_cmnd *); -+static unsigned int sr_done(struct scsi_cmnd *); - static int sr_runtime_suspend(struct device *dev); - - static const struct dev_pm_ops sr_pm_ops = { -@@ -315,13 +315,13 @@ static unsigned int sr_check_events(struct cdrom_device_info *cdi, - * It will be notified on the end of a SCSI read / write, and will take one - * of several actions based on success or failure. - */ --static int sr_done(struct scsi_cmnd *SCpnt) -+static unsigned int sr_done(struct scsi_cmnd *SCpnt) - { - int result = SCpnt->result; -- int this_count = scsi_bufflen(SCpnt); -- int good_bytes = (result == 0 ? this_count : 0); -- int block_sectors = 0; -- long error_sector; -+ unsigned int this_count = scsi_bufflen(SCpnt); -+ unsigned int good_bytes = (result == 0 ? this_count : 0); -+ unsigned int block_sectors = 0; -+ sector_t error_sector; - struct scsi_cd *cd = scsi_cd(SCpnt->request->rq_disk); - - #ifdef DEBUG -@@ -354,9 +354,12 @@ static int sr_done(struct scsi_cmnd *SCpnt) - if (cd->device->sector_size == 2048) - error_sector <<= 2; - error_sector &= ~(block_sectors - 1); -- good_bytes = (error_sector - -- blk_rq_pos(SCpnt->request)) << 9; -- if (good_bytes < 0 || good_bytes >= this_count) -+ if (error_sector >= blk_rq_pos(SCpnt->request)) { -+ good_bytes = (error_sector - -+ blk_rq_pos(SCpnt->request)) << 9; -+ if (good_bytes >= this_count) -+ good_bytes = 0; -+ } else - good_bytes = 0; - /* - * The SCSI specification allows for the value -diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c -index de2c1bf..60b8563 100644 ---- a/drivers/soc/tegra/fuse/fuse-tegra.c -+++ b/drivers/soc/tegra/fuse/fuse-tegra.c -@@ -72,7 +72,7 @@ static ssize_t fuse_read(struct file *fd, struct kobject *kobj, - return i; - } - --static struct bin_attribute fuse_bin_attr = { -+static bin_attribute_no_const fuse_bin_attr = { - .attr = { .name = "fuse", .mode = S_IRUGO, }, - .read = fuse_read, - }; -diff --git a/drivers/spi/spi-bcm-qspi.h b/drivers/spi/spi-bcm-qspi.h -index 7abfc75..1a20bae 100644 ---- a/drivers/spi/spi-bcm-qspi.h -+++ b/drivers/spi/spi-bcm-qspi.h -@@ -67,7 +67,7 @@ struct bcm_qspi_soc_intc { - void (*bcm_qspi_int_set)(struct bcm_qspi_soc_intc *soc_intc, int type, - bool en); - u32 (*bcm_qspi_get_int_status)(struct bcm_qspi_soc_intc *soc_intc); --}; -+} __no_const; - - /* Read controller register*/ - static inline u32 bcm_qspi_readl(bool be, void __iomem *addr) -diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c -index 838783c..d657dae 100644 ---- a/drivers/spi/spi.c -+++ b/drivers/spi/spi.c -@@ -2995,7 +2995,7 @@ int spi_bus_unlock(struct spi_master *master) - EXPORT_SYMBOL_GPL(spi_bus_unlock); - - /* portable code must never pass more than 32 bytes */ --#define SPI_BUFSIZ max(32, SMP_CACHE_BYTES) -+#define SPI_BUFSIZ max(32UL, SMP_CACHE_BYTES) - - static u8 *buf; - -diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c -index 587f68a..1491e4f 100644 ---- a/drivers/staging/fbtft/fbtft-core.c -+++ b/drivers/staging/fbtft/fbtft-core.c -@@ -649,7 +649,7 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display, - { - struct fb_info *info; - struct fbtft_par *par; -- struct fb_ops *fbops = NULL; -+ fb_ops_no_const *fbops = NULL; - struct fb_deferred_io *fbdefio = NULL; - u8 *vmem = NULL; - void *txbuf = NULL; -diff --git a/drivers/staging/fbtft/fbtft.h b/drivers/staging/fbtft/fbtft.h -index 89c4b5b..521d7e0 100644 ---- a/drivers/staging/fbtft/fbtft.h -+++ b/drivers/staging/fbtft/fbtft.h -@@ -93,7 +93,7 @@ struct fbtft_ops { - - int (*set_var)(struct fbtft_par *par); - int (*set_gamma)(struct fbtft_par *par, unsigned long *curves); --}; -+} __no_const; - - /** - * struct fbtft_display - Describes the display properties -diff --git a/drivers/staging/gdm724x/gdm_lte.c b/drivers/staging/gdm724x/gdm_lte.c -index e72dfa9..15c1dd1 100644 ---- a/drivers/staging/gdm724x/gdm_lte.c -+++ b/drivers/staging/gdm724x/gdm_lte.c -@@ -410,7 +410,7 @@ static s32 gdm_lte_tx_nic_type(struct net_device *dev, struct sk_buff *skb) - return nic_type; - } - --static int gdm_lte_tx(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t gdm_lte_tx(struct sk_buff *skb, struct net_device *dev) - { - struct nic *nic = netdev_priv(dev); - u32 nic_type; -diff --git a/drivers/staging/gdm724x/gdm_tty.c b/drivers/staging/gdm724x/gdm_tty.c -index ae39663..a288273 100644 ---- a/drivers/staging/gdm724x/gdm_tty.c -+++ b/drivers/staging/gdm724x/gdm_tty.c -@@ -44,7 +44,7 @@ - #define gdm_tty_send_control(n, r, v, d, l) (\ - n->tty_dev->send_control(n->tty_dev->priv_dev, r, v, d, l)) - --#define GDM_TTY_READY(gdm) (gdm && gdm->tty_dev && gdm->port.count) -+#define GDM_TTY_READY(gdm) (gdm && gdm->tty_dev && atomic_read(&gdm->port.count)) - - static struct tty_driver *gdm_driver[TTY_MAX_COUNT]; - static struct gdm *gdm_table[TTY_MAX_COUNT][GDM_TTY_MINOR]; -diff --git a/drivers/staging/greybus/connection.c b/drivers/staging/greybus/connection.c -index 5570751..7985bc2 100644 ---- a/drivers/staging/greybus/connection.c -+++ b/drivers/staging/greybus/connection.c -@@ -187,7 +187,7 @@ _gb_connection_create(struct gb_host_device *hd, int hd_cport_id, - connection->flags |= GB_CONNECTION_FLAG_NO_FLOWCTRL; - connection->state = GB_CONNECTION_STATE_DISABLED; - -- atomic_set(&connection->op_cycle, 0); -+ atomic_set_unchecked(&connection->op_cycle, 0); - mutex_init(&connection->mutex); - spin_lock_init(&connection->lock); - INIT_LIST_HEAD(&connection->operations); -diff --git a/drivers/staging/greybus/connection.h b/drivers/staging/greybus/connection.h -index 4d9f4c6..0f7a9a0 100644 ---- a/drivers/staging/greybus/connection.h -+++ b/drivers/staging/greybus/connection.h -@@ -55,7 +55,7 @@ struct gb_connection { - char name[16]; - struct workqueue_struct *wq; - -- atomic_t op_cycle; -+ atomic_unchecked_t op_cycle; - - void *private; - -diff --git a/drivers/staging/greybus/gpio.c b/drivers/staging/greybus/gpio.c -index 250caa0..8d321a8 100644 ---- a/drivers/staging/greybus/gpio.c -+++ b/drivers/staging/greybus/gpio.c -@@ -638,7 +638,7 @@ static int gb_gpio_probe(struct gbphy_device *gbphy_dev, - struct gb_connection *connection; - struct gb_gpio_controller *ggc; - struct gpio_chip *gpio; -- struct irq_chip *irqc; -+ irq_chip_no_const *irqc; - int ret; - - ggc = kzalloc(sizeof(*ggc), GFP_KERNEL); -diff --git a/drivers/staging/greybus/light.c b/drivers/staging/greybus/light.c -index 8dffd8a..ef96a29 100644 ---- a/drivers/staging/greybus/light.c -+++ b/drivers/staging/greybus/light.c -@@ -30,7 +30,7 @@ struct gb_channel { - u32 mode; - char *mode_name; - struct attribute **attrs; -- struct attribute_group *attr_group; -+ attribute_group_no_const *attr_group; - const struct attribute_group **attr_groups; - struct led_classdev *led; - #if IS_REACHABLE(CONFIG_LEDS_CLASS_FLASH) -diff --git a/drivers/staging/greybus/operation.c b/drivers/staging/greybus/operation.c -index 0123109..51846d3 100644 ---- a/drivers/staging/greybus/operation.c -+++ b/drivers/staging/greybus/operation.c -@@ -720,7 +720,7 @@ int gb_operation_request_send(struct gb_operation *operation, - if (gb_operation_is_unidirectional(operation)) { - operation->id = 0; - } else { -- cycle = (unsigned int)atomic_inc_return(&connection->op_cycle); -+ cycle = (unsigned int)atomic_inc_return_unchecked(&connection->op_cycle); - operation->id = (u16)(cycle % U16_MAX + 1); - } - -diff --git a/drivers/staging/i4l/icn/icn.c b/drivers/staging/i4l/icn/icn.c -index 514bfc2..76e653f 100644 ---- a/drivers/staging/i4l/icn/icn.c -+++ b/drivers/staging/i4l/icn/icn.c -@@ -1039,7 +1039,7 @@ icn_writecmd(const u_char __user *ubuf, const u_char *kbuf, int len, - if (count > len) - count = len; - if (user) { -- if (copy_from_user(msg, ubuf, count)) -+ if (count > sizeof msg || copy_from_user(msg, ubuf, count)) - return -EFAULT; - } else - memcpy(msg, kbuf, count); -diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c -index b460dda..d68d538 100644 ---- a/drivers/staging/iio/adc/ad7280a.c -+++ b/drivers/staging/iio/adc/ad7280a.c -@@ -547,8 +547,8 @@ static int ad7280_attr_init(struct ad7280_state *st) - { - int dev, ch, cnt; - -- st->iio_attr = kcalloc(2, sizeof(*st->iio_attr) * -- (st->slave_num + 1) * AD7280A_CELLS_PER_DEV, -+ st->iio_attr = kcalloc(sizeof(*st->iio_attr) * -+ (st->slave_num + 1) * AD7280A_CELLS_PER_DEV, 2, - GFP_KERNEL); - if (!st->iio_attr) - return -ENOMEM; -diff --git a/drivers/staging/ks7010/ks_wlan_net.c b/drivers/staging/ks7010/ks_wlan_net.c -index b2b4fa4..3120edc 100644 ---- a/drivers/staging/ks7010/ks_wlan_net.c -+++ b/drivers/staging/ks7010/ks_wlan_net.c -@@ -176,9 +176,10 @@ int ks_wlan_setup_parameter(struct ks_wlan_private *priv, - /*------------------------------------------------------------------*/ - /* Wireless Handler : get protocol name */ - static int ks_wlan_get_name(struct net_device *dev, -- struct iw_request_info *info, char *cwrq, -+ struct iw_request_info *info, union iwreq_data *_cwrq, - char *extra) - { -+ char *cwrq = _cwrq->name; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -202,9 +203,10 @@ static int ks_wlan_get_name(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Wireless Handler : set frequency */ - static int ks_wlan_set_freq(struct net_device *dev, -- struct iw_request_info *info, struct iw_freq *fwrq, -+ struct iw_request_info *info, union iwreq_data *_fwrq, - char *extra) - { -+ struct iw_freq *fwrq = &_fwrq->freq; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - int rc = -EINPROGRESS; /* Call commit handler */ -@@ -250,9 +252,10 @@ static int ks_wlan_set_freq(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Wireless Handler : get frequency */ - static int ks_wlan_get_freq(struct net_device *dev, -- struct iw_request_info *info, struct iw_freq *fwrq, -+ struct iw_request_info *info, union iwreq_data *_fwrq, - char *extra) - { -+ struct iw_freq *fwrq = &_fwrq->freq; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - int f; -@@ -275,8 +278,9 @@ static int ks_wlan_get_freq(struct net_device *dev, - /* Wireless Handler : set ESSID */ - static int ks_wlan_set_essid(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *_dwrq, char *extra) - { -+ struct iw_point *dwrq = &_dwrq->essid; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - size_t len; -@@ -335,8 +339,9 @@ static int ks_wlan_set_essid(struct net_device *dev, - /* Wireless Handler : get ESSID */ - static int ks_wlan_get_essid(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *_dwrq, char *extra) - { -+ struct iw_point *dwrq = &_dwrq->essid; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -378,8 +383,9 @@ static int ks_wlan_get_essid(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Wireless Handler : set AP address */ - static int ks_wlan_set_wap(struct net_device *dev, struct iw_request_info *info, -- struct sockaddr *ap_addr, char *extra) -+ union iwreq_data *_ap_addr, char *extra) - { -+ struct sockaddr *ap_addr = &_ap_addr->ap_addr; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -416,8 +422,9 @@ static int ks_wlan_set_wap(struct net_device *dev, struct iw_request_info *info, - /*------------------------------------------------------------------*/ - /* Wireless Handler : get AP address */ - static int ks_wlan_get_wap(struct net_device *dev, struct iw_request_info *info, -- struct sockaddr *awrq, char *extra) -+ union iwreq_data *_awrq, char *extra) - { -+ struct sockaddr *awrq = &_awrq->ap_addr; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -439,9 +446,10 @@ static int ks_wlan_get_wap(struct net_device *dev, struct iw_request_info *info, - /*------------------------------------------------------------------*/ - /* Wireless Handler : set Nickname */ - static int ks_wlan_set_nick(struct net_device *dev, -- struct iw_request_info *info, struct iw_point *dwrq, -+ struct iw_request_info *info, union iwreq_data *_dwrq, - char *extra) - { -+ struct iw_point *dwrq = &_dwrq->data; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -463,9 +471,10 @@ static int ks_wlan_set_nick(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Wireless Handler : get Nickname */ - static int ks_wlan_get_nick(struct net_device *dev, -- struct iw_request_info *info, struct iw_point *dwrq, -+ struct iw_request_info *info, union iwreq_data *_dwrq, - char *extra) - { -+ struct iw_point *dwrq = &_dwrq->data; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -483,9 +492,10 @@ static int ks_wlan_get_nick(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Wireless Handler : set Bit-Rate */ - static int ks_wlan_set_rate(struct net_device *dev, -- struct iw_request_info *info, struct iw_param *vwrq, -+ struct iw_request_info *info, union iwreq_data *_vwrq, - char *extra) - { -+ struct iw_param *vwrq = &_vwrq->bitrate; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - int i = 0; -@@ -718,9 +728,10 @@ static int ks_wlan_set_rate(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Wireless Handler : get Bit-Rate */ - static int ks_wlan_get_rate(struct net_device *dev, -- struct iw_request_info *info, struct iw_param *vwrq, -+ struct iw_request_info *info, union iwreq_data *_vwrq, - char *extra) - { -+ struct iw_param *vwrq = &_vwrq->bitrate; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -746,8 +757,9 @@ static int ks_wlan_get_rate(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Wireless Handler : set RTS threshold */ - static int ks_wlan_set_rts(struct net_device *dev, struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *_vwrq, char *extra) - { -+ struct iw_param *vwrq = &_vwrq->rts; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - int rthr = vwrq->value; -@@ -770,8 +782,9 @@ static int ks_wlan_set_rts(struct net_device *dev, struct iw_request_info *info, - /*------------------------------------------------------------------*/ - /* Wireless Handler : get RTS threshold */ - static int ks_wlan_get_rts(struct net_device *dev, struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *_vwrq, char *extra) - { -+ struct iw_param *vwrq = &_vwrq->rts; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -789,9 +802,10 @@ static int ks_wlan_get_rts(struct net_device *dev, struct iw_request_info *info, - /*------------------------------------------------------------------*/ - /* Wireless Handler : set Fragmentation threshold */ - static int ks_wlan_set_frag(struct net_device *dev, -- struct iw_request_info *info, struct iw_param *vwrq, -+ struct iw_request_info *info, union iwreq_data *_vwrq, - char *extra) - { -+ struct iw_param *vwrq =&_vwrq->frag; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - int fthr = vwrq->value; -@@ -815,9 +829,10 @@ static int ks_wlan_set_frag(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Wireless Handler : get Fragmentation threshold */ - static int ks_wlan_get_frag(struct net_device *dev, -- struct iw_request_info *info, struct iw_param *vwrq, -+ struct iw_request_info *info, union iwreq_data *_vwrq, - char *extra) - { -+ struct iw_param *vwrq =&_vwrq->frag; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -835,9 +850,10 @@ static int ks_wlan_get_frag(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Wireless Handler : set Mode of Operation */ - static int ks_wlan_set_mode(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -871,9 +887,10 @@ static int ks_wlan_set_mode(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Wireless Handler : get Mode of Operation */ - static int ks_wlan_get_mode(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -901,8 +918,9 @@ static int ks_wlan_get_mode(struct net_device *dev, - /* Wireless Handler : set Encryption Key */ - static int ks_wlan_set_encode(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *_dwrq, char *extra) - { -+ struct iw_point *dwrq = &_dwrq->encoding; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -1019,8 +1037,9 @@ static int ks_wlan_set_encode(struct net_device *dev, - /* Wireless Handler : get Encryption Key */ - static int ks_wlan_get_encode(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *_dwrq, char *extra) - { -+ struct iw_point *dwrq = &_dwrq->encoding; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - char zeros[16]; -@@ -1075,7 +1094,7 @@ static int ks_wlan_get_encode(struct net_device *dev, - /* Wireless Handler : set Tx-Power */ - static int ks_wlan_set_txpow(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *vwrq, char *extra) - { - return -EOPNOTSUPP; /* Not Support */ - } -@@ -1084,8 +1103,10 @@ static int ks_wlan_set_txpow(struct net_device *dev, - /* Wireless Handler : get Tx-Power */ - static int ks_wlan_get_txpow(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *_vwrq, char *extra) - { -+ struct iw_param *vwrq = &_vwrq->txpower; -+ - if (priv->sleep_mode == SLP_SLEEP) { - return -EPERM; - } -@@ -1102,7 +1123,7 @@ static int ks_wlan_get_txpow(struct net_device *dev, - /* Wireless Handler : set Retry limits */ - static int ks_wlan_set_retry(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *vwrq, char *extra) - { - return -EOPNOTSUPP; /* Not Support */ - } -@@ -1111,8 +1132,10 @@ static int ks_wlan_set_retry(struct net_device *dev, - /* Wireless Handler : get Retry limits */ - static int ks_wlan_get_retry(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *_vwrq, char *extra) - { -+ struct iw_param *vwrq =&_vwrq->retry; -+ - if (priv->sleep_mode == SLP_SLEEP) { - return -EPERM; - } -@@ -1130,8 +1153,9 @@ static int ks_wlan_get_retry(struct net_device *dev, - /* Wireless Handler : get range info */ - static int ks_wlan_get_range(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *_dwrq, char *extra) - { -+ struct iw_point *dwrq = &_dwrq->data; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - struct iw_range *range = (struct iw_range *)extra; -@@ -1261,8 +1285,9 @@ static int ks_wlan_get_range(struct net_device *dev, - /* Wireless Handler : set Power Management */ - static int ks_wlan_set_power(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *_vwrq, char *extra) - { -+ struct iw_param *vwrq =&_vwrq->power; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - short enabled; -@@ -1296,8 +1321,9 @@ static int ks_wlan_set_power(struct net_device *dev, - /* Wireless Handler : get Power Management */ - static int ks_wlan_get_power(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *_vwrq, char *extra) - { -+ struct iw_param *vwrq =&_vwrq->power; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -1317,8 +1343,9 @@ static int ks_wlan_get_power(struct net_device *dev, - /* Wireless Handler : get wirless statistics */ - static int ks_wlan_get_iwstats(struct net_device *dev, - struct iw_request_info *info, -- struct iw_quality *vwrq, char *extra) -+ union iwreq_data *_vwrq, char *extra) - { -+ struct iw_quality *vwrq = &_vwrq->qual; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -1338,7 +1365,7 @@ static int ks_wlan_get_iwstats(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Wireless Handler : set Sensitivity */ - static int ks_wlan_set_sens(struct net_device *dev, -- struct iw_request_info *info, struct iw_param *vwrq, -+ struct iw_request_info *info, union iwreq_data *vwrq, - char *extra) - { - return -EOPNOTSUPP; /* Not Support */ -@@ -1347,9 +1374,11 @@ static int ks_wlan_set_sens(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Wireless Handler : get Sensitivity */ - static int ks_wlan_get_sens(struct net_device *dev, -- struct iw_request_info *info, struct iw_param *vwrq, -+ struct iw_request_info *info, union iwreq_data *_vwrq, - char *extra) - { -+ struct iw_param *vwrq = &_vwrq->sens; -+ - /* Not Support */ - vwrq->value = 0; - vwrq->disabled = (vwrq->value == 0); -@@ -1363,8 +1392,9 @@ static int ks_wlan_get_sens(struct net_device *dev, - /* Note : this is deprecated in favor of IWSCAN */ - static int ks_wlan_get_aplist(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *_dwrq, char *extra) - { -+ struct iw_point *dwrq = &_dwrq->data; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - struct sockaddr *address = (struct sockaddr *)extra; -@@ -1591,9 +1621,10 @@ static inline char *ks_wlan_translate_scan(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Wireless Handler : Read Scan Results */ - static int ks_wlan_get_scan(struct net_device *dev, -- struct iw_request_info *info, struct iw_point *dwrq, -+ struct iw_request_info *info, union iwreq_data *_dwrq, - char *extra) - { -+ struct iw_point *dwrq = &_dwrq->data; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - int i; -@@ -1650,7 +1681,7 @@ static int ks_wlan_get_scan(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Commit handler : called after a bunch of SET operations */ - static int ks_wlan_config_commit(struct net_device *dev, -- struct iw_request_info *info, void *zwrq, -+ struct iw_request_info *info, union iwreq_data *zwrq, - char *extra) - { - struct ks_wlan_private *priv = -@@ -1668,8 +1699,9 @@ static int ks_wlan_config_commit(struct net_device *dev, - /* Wireless handler : set association ie params */ - static int ks_wlan_set_genie(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *_dwrq, char *extra) - { -+ struct iw_point *dwrq =&_dwrq->data; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -1687,8 +1719,9 @@ static int ks_wlan_set_genie(struct net_device *dev, - /* Wireless handler : set authentication mode params */ - static int ks_wlan_set_auth_mode(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *_vwrq, char *extra) - { -+ struct iw_param *vwrq = &_vwrq->param; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - int index = (vwrq->flags & IW_AUTH_INDEX); -@@ -1827,8 +1860,9 @@ static int ks_wlan_set_auth_mode(struct net_device *dev, - /* Wireless handler : get authentication mode params */ - static int ks_wlan_get_auth_mode(struct net_device *dev, - struct iw_request_info *info, -- struct iw_param *vwrq, char *extra) -+ union iwreq_data *_vwrq, char *extra) - { -+ struct iw_param *vwrq = &_vwrq->param; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - int index = (vwrq->flags & IW_AUTH_INDEX); -@@ -1873,8 +1907,9 @@ static int ks_wlan_get_auth_mode(struct net_device *dev, - /* Wireless Handler : set encoding token & mode (WPA)*/ - static int ks_wlan_set_encode_ext(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *_dwrq, char *extra) - { -+ struct iw_point *dwrq = &_dwrq->encoding; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - struct iw_encode_ext *enc; -@@ -1981,8 +2016,9 @@ static int ks_wlan_set_encode_ext(struct net_device *dev, - /* Wireless Handler : get encoding token & mode (WPA)*/ - static int ks_wlan_get_encode_ext(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *_dwrq, char *extra) - { -+ struct iw_point *dwrq = &_dwrq->encoding; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -2004,8 +2040,9 @@ static int ks_wlan_get_encode_ext(struct net_device *dev, - /* Wireless Handler : PMKSA cache operation (WPA2) */ - static int ks_wlan_set_pmksa(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *_dwrq, char *extra) - { -+ struct iw_point *dwrq = &_dwrq->data; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - struct iw_pmksa *pmksa; -@@ -2163,9 +2200,10 @@ static int ks_wlan_set_stop_request(struct net_device *dev, - /* Wireless Handler : set MLME */ - #include - static int ks_wlan_set_mlme(struct net_device *dev, -- struct iw_request_info *info, struct iw_point *dwrq, -+ struct iw_request_info *info, union iwreq_data *_dwrq, - char *extra) - { -+ struct iw_point *dwrq = &_dwrq->data; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - struct iw_mlme *mlme = (struct iw_mlme *)extra; -@@ -2194,8 +2232,9 @@ static int ks_wlan_set_mlme(struct net_device *dev, - /* Private handler : get firemware version */ - static int ks_wlan_get_firmware_version(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *_dwrq, char *extra) - { -+ struct iw_point *dwrq = &_dwrq->data; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - strcpy(extra, &(priv->firmware_version[0])); -@@ -2265,9 +2304,10 @@ static int ks_wlan_get_connect(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Private handler : set preamble */ - static int ks_wlan_set_preamble(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -2290,9 +2330,10 @@ static int ks_wlan_set_preamble(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Private handler : get preamble */ - static int ks_wlan_get_preamble(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -2307,9 +2348,10 @@ static int ks_wlan_get_preamble(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Private handler : set power save mode */ - static int ks_wlan_set_powermgt(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -2340,9 +2382,10 @@ static int ks_wlan_set_powermgt(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Private handler : get power save made */ - static int ks_wlan_get_powermgt(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -2357,9 +2400,10 @@ static int ks_wlan_get_powermgt(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Private handler : set scan type */ - static int ks_wlan_set_scan_type(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -2380,9 +2424,10 @@ static int ks_wlan_set_scan_type(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Private handler : get scan type */ - static int ks_wlan_get_scan_type(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -2531,9 +2576,10 @@ static int ks_wlan_get_wep_ascii(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Private handler : set beacon lost count */ - static int ks_wlan_set_beacon_lost(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -2556,9 +2602,10 @@ static int ks_wlan_set_beacon_lost(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Private handler : get beacon lost count */ - static int ks_wlan_get_beacon_lost(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -2573,9 +2620,10 @@ static int ks_wlan_get_beacon_lost(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Private handler : set phy type */ - static int ks_wlan_set_phy_type(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -2599,9 +2647,10 @@ static int ks_wlan_set_phy_type(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Private handler : get phy type */ - static int ks_wlan_get_phy_type(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -2616,9 +2665,10 @@ static int ks_wlan_get_phy_type(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Private handler : set cts mode */ - static int ks_wlan_set_cts_mode(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -2644,9 +2694,10 @@ static int ks_wlan_set_cts_mode(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Private handler : get cts mode */ - static int ks_wlan_get_cts_mode(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -2662,8 +2713,9 @@ static int ks_wlan_get_cts_mode(struct net_device *dev, - /* Private handler : set sleep mode */ - static int ks_wlan_set_sleep_mode(struct net_device *dev, - struct iw_request_info *info, -- __u32 * uwrq, char *extra) -+ union iwreq_data *_uwrq, char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -2692,8 +2744,9 @@ static int ks_wlan_set_sleep_mode(struct net_device *dev, - /* Private handler : get sleep mode */ - static int ks_wlan_get_sleep_mode(struct net_device *dev, - struct iw_request_info *info, -- __u32 * uwrq, char *extra) -+ union iwreq_data *_uwrq, char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -2747,9 +2800,10 @@ static int ks_wlan_get_phy_information_timer(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Private handler : set WPS enable */ - static int ks_wlan_set_wps_enable(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - DPRINTK(2, "\n"); -@@ -2771,9 +2825,10 @@ static int ks_wlan_set_wps_enable(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Private handler : get WPS enable */ - static int ks_wlan_get_wps_enable(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - DPRINTK(2, "\n"); -@@ -2792,8 +2847,9 @@ static int ks_wlan_get_wps_enable(struct net_device *dev, - /* Private handler : set WPS probe req */ - static int ks_wlan_set_wps_probe_req(struct net_device *dev, - struct iw_request_info *info, -- struct iw_point *dwrq, char *extra) -+ union iwreq_data *_dwrq, char *extra) - { -+ struct iw_point *dwrq = &_dwrq->data; - uint8_t *p = extra; - unsigned char len; - struct ks_wlan_private *priv = -@@ -2850,9 +2906,10 @@ static int ks_wlan_get_wps_probe_req(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Private handler : set tx gain control value */ - static int ks_wlan_set_tx_gain(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -2877,9 +2934,10 @@ static int ks_wlan_set_tx_gain(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Private handler : get tx gain control value */ - static int ks_wlan_get_tx_gain(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -2895,9 +2953,10 @@ static int ks_wlan_get_tx_gain(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Private handler : set rx gain control value */ - static int ks_wlan_set_rx_gain(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -2922,9 +2981,10 @@ static int ks_wlan_set_rx_gain(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Private handler : get rx gain control value */ - static int ks_wlan_get_rx_gain(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -2963,9 +3023,10 @@ static int ks_wlan_set_region(struct net_device *dev, - /*------------------------------------------------------------------*/ - /* Private handler : get eeprom checksum result */ - static int ks_wlan_get_eeprom_cksum(struct net_device *dev, -- struct iw_request_info *info, __u32 * uwrq, -+ struct iw_request_info *info, union iwreq_data *_uwrq, - char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); - -@@ -3090,8 +3151,9 @@ static void print_hif_event(struct net_device *dev, int event) - /*------------------------------------------------------------------*/ - /* Private handler : get host command history */ - static int ks_wlan_hostt(struct net_device *dev, struct iw_request_info *info, -- __u32 * uwrq, char *extra) -+ union iwreq_data *_uwrq, char *extra) - { -+ __u32 *uwrq = &_uwrq->mode; - int i, event; - struct ks_wlan_private *priv = - (struct ks_wlan_private *)netdev_priv(dev); -@@ -3162,119 +3224,119 @@ static const struct iw_priv_args ks_wlan_private_args[] = { - }; - - static const iw_handler ks_wlan_handler[] = { -- (iw_handler) ks_wlan_config_commit, /* SIOCSIWCOMMIT */ -- (iw_handler) ks_wlan_get_name, /* SIOCGIWNAME */ -- (iw_handler) NULL, /* SIOCSIWNWID */ -- (iw_handler) NULL, /* SIOCGIWNWID */ -- (iw_handler) ks_wlan_set_freq, /* SIOCSIWFREQ */ -- (iw_handler) ks_wlan_get_freq, /* SIOCGIWFREQ */ -- (iw_handler) ks_wlan_set_mode, /* SIOCSIWMODE */ -- (iw_handler) ks_wlan_get_mode, /* SIOCGIWMODE */ -+ ks_wlan_config_commit, /* SIOCSIWCOMMIT */ -+ ks_wlan_get_name, /* SIOCGIWNAME */ -+ NULL, /* SIOCSIWNWID */ -+ NULL, /* SIOCGIWNWID */ -+ ks_wlan_set_freq, /* SIOCSIWFREQ */ -+ ks_wlan_get_freq, /* SIOCGIWFREQ */ -+ ks_wlan_set_mode, /* SIOCSIWMODE */ -+ ks_wlan_get_mode, /* SIOCGIWMODE */ - #ifndef KSC_OPNOTSUPP -- (iw_handler) ks_wlan_set_sens, /* SIOCSIWSENS */ -- (iw_handler) ks_wlan_get_sens, /* SIOCGIWSENS */ -+ ks_wlan_set_sens, /* SIOCSIWSENS */ -+ ks_wlan_get_sens, /* SIOCGIWSENS */ - #else /* KSC_OPNOTSUPP */ -- (iw_handler) NULL, /* SIOCSIWSENS */ -- (iw_handler) NULL, /* SIOCGIWSENS */ -+ NULL, /* SIOCSIWSENS */ -+ NULL, /* SIOCGIWSENS */ - #endif /* KSC_OPNOTSUPP */ -- (iw_handler) NULL, /* SIOCSIWRANGE */ -- (iw_handler) ks_wlan_get_range, /* SIOCGIWRANGE */ -- (iw_handler) NULL, /* SIOCSIWPRIV */ -- (iw_handler) NULL, /* SIOCGIWPRIV */ -- (iw_handler) NULL, /* SIOCSIWSTATS */ -- (iw_handler) ks_wlan_get_iwstats, /* SIOCGIWSTATS */ -- (iw_handler) NULL, /* SIOCSIWSPY */ -- (iw_handler) NULL, /* SIOCGIWSPY */ -- (iw_handler) NULL, /* SIOCSIWTHRSPY */ -- (iw_handler) NULL, /* SIOCGIWTHRSPY */ -- (iw_handler) ks_wlan_set_wap, /* SIOCSIWAP */ -- (iw_handler) ks_wlan_get_wap, /* SIOCGIWAP */ --// (iw_handler) NULL, /* SIOCSIWMLME */ -- (iw_handler) ks_wlan_set_mlme, /* SIOCSIWMLME */ -- (iw_handler) ks_wlan_get_aplist, /* SIOCGIWAPLIST */ -- (iw_handler) ks_wlan_set_scan, /* SIOCSIWSCAN */ -- (iw_handler) ks_wlan_get_scan, /* SIOCGIWSCAN */ -- (iw_handler) ks_wlan_set_essid, /* SIOCSIWESSID */ -- (iw_handler) ks_wlan_get_essid, /* SIOCGIWESSID */ -- (iw_handler) ks_wlan_set_nick, /* SIOCSIWNICKN */ -- (iw_handler) ks_wlan_get_nick, /* SIOCGIWNICKN */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) ks_wlan_set_rate, /* SIOCSIWRATE */ -- (iw_handler) ks_wlan_get_rate, /* SIOCGIWRATE */ -- (iw_handler) ks_wlan_set_rts, /* SIOCSIWRTS */ -- (iw_handler) ks_wlan_get_rts, /* SIOCGIWRTS */ -- (iw_handler) ks_wlan_set_frag, /* SIOCSIWFRAG */ -- (iw_handler) ks_wlan_get_frag, /* SIOCGIWFRAG */ -+ NULL, /* SIOCSIWRANGE */ -+ ks_wlan_get_range, /* SIOCGIWRANGE */ -+ NULL, /* SIOCSIWPRIV */ -+ NULL, /* SIOCGIWPRIV */ -+ NULL, /* SIOCSIWSTATS */ -+ ks_wlan_get_iwstats, /* SIOCGIWSTATS */ -+ NULL, /* SIOCSIWSPY */ -+ NULL, /* SIOCGIWSPY */ -+ NULL, /* SIOCSIWTHRSPY */ -+ NULL, /* SIOCGIWTHRSPY */ -+ ks_wlan_set_wap, /* SIOCSIWAP */ -+ ks_wlan_get_wap, /* SIOCGIWAP */ -+// NULL, /* SIOCSIWMLME */ -+ ks_wlan_set_mlme, /* SIOCSIWMLME */ -+ ks_wlan_get_aplist, /* SIOCGIWAPLIST */ -+ ks_wlan_set_scan, /* SIOCSIWSCAN */ -+ ks_wlan_get_scan, /* SIOCGIWSCAN */ -+ ks_wlan_set_essid, /* SIOCSIWESSID */ -+ ks_wlan_get_essid, /* SIOCGIWESSID */ -+ ks_wlan_set_nick, /* SIOCSIWNICKN */ -+ ks_wlan_get_nick, /* SIOCGIWNICKN */ -+ NULL, /* -- hole -- */ -+ NULL, /* -- hole -- */ -+ ks_wlan_set_rate, /* SIOCSIWRATE */ -+ ks_wlan_get_rate, /* SIOCGIWRATE */ -+ ks_wlan_set_rts, /* SIOCSIWRTS */ -+ ks_wlan_get_rts, /* SIOCGIWRTS */ -+ ks_wlan_set_frag, /* SIOCSIWFRAG */ -+ ks_wlan_get_frag, /* SIOCGIWFRAG */ - #ifndef KSC_OPNOTSUPP -- (iw_handler) ks_wlan_set_txpow, /* SIOCSIWTXPOW */ -- (iw_handler) ks_wlan_get_txpow, /* SIOCGIWTXPOW */ -- (iw_handler) ks_wlan_set_retry, /* SIOCSIWRETRY */ -- (iw_handler) ks_wlan_get_retry, /* SIOCGIWRETRY */ -+ ks_wlan_set_txpow, /* SIOCSIWTXPOW */ -+ ks_wlan_get_txpow, /* SIOCGIWTXPOW */ -+ ks_wlan_set_retry, /* SIOCSIWRETRY */ -+ ks_wlan_get_retry, /* SIOCGIWRETRY */ - #else /* KSC_OPNOTSUPP */ -- (iw_handler) NULL, /* SIOCSIWTXPOW */ -- (iw_handler) NULL, /* SIOCGIWTXPOW */ -- (iw_handler) NULL, /* SIOCSIWRETRY */ -- (iw_handler) NULL, /* SIOCGIWRETRY */ -+ NULL, /* SIOCSIWTXPOW */ -+ NULL, /* SIOCGIWTXPOW */ -+ NULL, /* SIOCSIWRETRY */ -+ NULL, /* SIOCGIWRETRY */ - #endif /* KSC_OPNOTSUPP */ -- (iw_handler) ks_wlan_set_encode, /* SIOCSIWENCODE */ -- (iw_handler) ks_wlan_get_encode, /* SIOCGIWENCODE */ -- (iw_handler) ks_wlan_set_power, /* SIOCSIWPOWER */ -- (iw_handler) ks_wlan_get_power, /* SIOCGIWPOWER */ -- (iw_handler) NULL, /* -- hole -- */ -- (iw_handler) NULL, /* -- hole -- */ --// (iw_handler) NULL, /* SIOCSIWGENIE */ -- (iw_handler) ks_wlan_set_genie, /* SIOCSIWGENIE */ -- (iw_handler) NULL, /* SIOCGIWGENIE */ -- (iw_handler) ks_wlan_set_auth_mode, /* SIOCSIWAUTH */ -- (iw_handler) ks_wlan_get_auth_mode, /* SIOCGIWAUTH */ -- (iw_handler) ks_wlan_set_encode_ext, /* SIOCSIWENCODEEXT */ -- (iw_handler) ks_wlan_get_encode_ext, /* SIOCGIWENCODEEXT */ -- (iw_handler) ks_wlan_set_pmksa, /* SIOCSIWPMKSA */ -- (iw_handler) NULL, /* -- hole -- */ -+ ks_wlan_set_encode, /* SIOCSIWENCODE */ -+ ks_wlan_get_encode, /* SIOCGIWENCODE */ -+ ks_wlan_set_power, /* SIOCSIWPOWER */ -+ ks_wlan_get_power, /* SIOCGIWPOWER */ -+ NULL, /* -- hole -- */ -+ NULL, /* -- hole -- */ -+// NULL, /* SIOCSIWGENIE */ -+ ks_wlan_set_genie, /* SIOCSIWGENIE */ -+ NULL, /* SIOCGIWGENIE */ -+ ks_wlan_set_auth_mode, /* SIOCSIWAUTH */ -+ ks_wlan_get_auth_mode, /* SIOCGIWAUTH */ -+ ks_wlan_set_encode_ext, /* SIOCSIWENCODEEXT */ -+ ks_wlan_get_encode_ext, /* SIOCGIWENCODEEXT */ -+ ks_wlan_set_pmksa, /* SIOCSIWPMKSA */ -+ NULL, /* -- hole -- */ - }; - - /* private_handler */ - static const iw_handler ks_wlan_private_handler[] = { -- (iw_handler) NULL, /* 0 */ -- (iw_handler) NULL, /* 1, used to be: KS_WLAN_GET_DRIVER_VERSION */ -- (iw_handler) NULL, /* 2 */ -- (iw_handler) ks_wlan_get_firmware_version, /* 3 KS_WLAN_GET_FIRM_VERSION */ -+ NULL, /* 0 */ -+ NULL, /* 1, used to be: KS_WLAN_GET_DRIVER_VERSION */ -+ NULL, /* 2 */ -+ ks_wlan_get_firmware_version, /* 3 KS_WLAN_GET_FIRM_VERSION */ - #ifdef WPS -- (iw_handler) ks_wlan_set_wps_enable, /* 4 KS_WLAN_SET_WPS_ENABLE */ -- (iw_handler) ks_wlan_get_wps_enable, /* 5 KS_WLAN_GET_WPS_ENABLE */ -- (iw_handler) ks_wlan_set_wps_probe_req, /* 6 KS_WLAN_SET_WPS_PROBE_REQ */ -+ ks_wlan_set_wps_enable, /* 4 KS_WLAN_SET_WPS_ENABLE */ -+ ks_wlan_get_wps_enable, /* 5 KS_WLAN_GET_WPS_ENABLE */ -+ ks_wlan_set_wps_probe_req, /* 6 KS_WLAN_SET_WPS_PROBE_REQ */ - #else -- (iw_handler) NULL, /* 4 */ -- (iw_handler) NULL, /* 5 */ -- (iw_handler) NULL, /* 6 */ -+ NULL, /* 4 */ -+ NULL, /* 5 */ -+ NULL, /* 6 */ - #endif /* WPS */ - -- (iw_handler) ks_wlan_get_eeprom_cksum, /* 7 KS_WLAN_GET_CONNECT */ -- (iw_handler) ks_wlan_set_preamble, /* 8 KS_WLAN_SET_PREAMBLE */ -- (iw_handler) ks_wlan_get_preamble, /* 9 KS_WLAN_GET_PREAMBLE */ -- (iw_handler) ks_wlan_set_powermgt, /* 10 KS_WLAN_SET_POWER_SAVE */ -- (iw_handler) ks_wlan_get_powermgt, /* 11 KS_WLAN_GET_POWER_SAVE */ -- (iw_handler) ks_wlan_set_scan_type, /* 12 KS_WLAN_SET_SCAN_TYPE */ -- (iw_handler) ks_wlan_get_scan_type, /* 13 KS_WLAN_GET_SCAN_TYPE */ -- (iw_handler) ks_wlan_set_rx_gain, /* 14 KS_WLAN_SET_RX_GAIN */ -- (iw_handler) ks_wlan_get_rx_gain, /* 15 KS_WLAN_GET_RX_GAIN */ -- (iw_handler) ks_wlan_hostt, /* 16 KS_WLAN_HOSTT */ -- (iw_handler) NULL, /* 17 */ -- (iw_handler) ks_wlan_set_beacon_lost, /* 18 KS_WLAN_SET_BECAN_LOST */ -- (iw_handler) ks_wlan_get_beacon_lost, /* 19 KS_WLAN_GET_BECAN_LOST */ -- (iw_handler) ks_wlan_set_tx_gain, /* 20 KS_WLAN_SET_TX_GAIN */ -- (iw_handler) ks_wlan_get_tx_gain, /* 21 KS_WLAN_GET_TX_GAIN */ -- (iw_handler) ks_wlan_set_phy_type, /* 22 KS_WLAN_SET_PHY_TYPE */ -- (iw_handler) ks_wlan_get_phy_type, /* 23 KS_WLAN_GET_PHY_TYPE */ -- (iw_handler) ks_wlan_set_cts_mode, /* 24 KS_WLAN_SET_CTS_MODE */ -- (iw_handler) ks_wlan_get_cts_mode, /* 25 KS_WLAN_GET_CTS_MODE */ -- (iw_handler) NULL, /* 26 */ -- (iw_handler) NULL, /* 27 */ -- (iw_handler) ks_wlan_set_sleep_mode, /* 28 KS_WLAN_SET_SLEEP_MODE */ -- (iw_handler) ks_wlan_get_sleep_mode, /* 29 KS_WLAN_GET_SLEEP_MODE */ -- (iw_handler) NULL, /* 30 */ -- (iw_handler) NULL, /* 31 */ -+ ks_wlan_get_eeprom_cksum, /* 7 KS_WLAN_GET_CONNECT */ -+ ks_wlan_set_preamble, /* 8 KS_WLAN_SET_PREAMBLE */ -+ ks_wlan_get_preamble, /* 9 KS_WLAN_GET_PREAMBLE */ -+ ks_wlan_set_powermgt, /* 10 KS_WLAN_SET_POWER_SAVE */ -+ ks_wlan_get_powermgt, /* 11 KS_WLAN_GET_POWER_SAVE */ -+ ks_wlan_set_scan_type, /* 12 KS_WLAN_SET_SCAN_TYPE */ -+ ks_wlan_get_scan_type, /* 13 KS_WLAN_GET_SCAN_TYPE */ -+ ks_wlan_set_rx_gain, /* 14 KS_WLAN_SET_RX_GAIN */ -+ ks_wlan_get_rx_gain, /* 15 KS_WLAN_GET_RX_GAIN */ -+ ks_wlan_hostt, /* 16 KS_WLAN_HOSTT */ -+ NULL, /* 17 */ -+ ks_wlan_set_beacon_lost, /* 18 KS_WLAN_SET_BECAN_LOST */ -+ ks_wlan_get_beacon_lost, /* 19 KS_WLAN_GET_BECAN_LOST */ -+ ks_wlan_set_tx_gain, /* 20 KS_WLAN_SET_TX_GAIN */ -+ ks_wlan_get_tx_gain, /* 21 KS_WLAN_GET_TX_GAIN */ -+ ks_wlan_set_phy_type, /* 22 KS_WLAN_SET_PHY_TYPE */ -+ ks_wlan_get_phy_type, /* 23 KS_WLAN_GET_PHY_TYPE */ -+ ks_wlan_set_cts_mode, /* 24 KS_WLAN_SET_CTS_MODE */ -+ ks_wlan_get_cts_mode, /* 25 KS_WLAN_GET_CTS_MODE */ -+ NULL, /* 26 */ -+ NULL, /* 27 */ -+ ks_wlan_set_sleep_mode, /* 28 KS_WLAN_SET_SLEEP_MODE */ -+ ks_wlan_get_sleep_mode, /* 29 KS_WLAN_GET_SLEEP_MODE */ -+ NULL, /* 30 */ -+ NULL, /* 31 */ - }; - - static const struct iw_handler_def ks_wlan_handler_def = { -@@ -3282,8 +3344,8 @@ static const struct iw_handler_def ks_wlan_handler_def = { - .num_private = sizeof(ks_wlan_private_handler) / sizeof(iw_handler), - .num_private_args = - sizeof(ks_wlan_private_args) / sizeof(struct iw_priv_args), -- .standard = (iw_handler *) ks_wlan_handler, -- .private = (iw_handler *) ks_wlan_private_handler, -+ .standard = ks_wlan_handler, -+ .private = ks_wlan_private_handler, - .private_args = (struct iw_priv_args *)ks_wlan_private_args, - .get_wireless_stats = ks_get_wireless_stats, - }; -@@ -3352,7 +3414,7 @@ void ks_wlan_tx_timeout(struct net_device *dev) - } - - static --int ks_wlan_start_xmit(struct sk_buff *skb, struct net_device *dev) -+netdev_tx_t ks_wlan_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct ks_wlan_private *priv = netdev_priv(dev); - int rc = 0; -diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h -index e6ca0cf..93cadeb 100644 ---- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h -+++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h -@@ -303,10 +303,8 @@ struct ksock_conn { - struct ksock_route *ksnc_route; /* owning route */ - struct list_head ksnc_list; /* stash on peer's conn list */ - struct socket *ksnc_sock; /* actual socket */ -- void *ksnc_saved_data_ready; /* socket's original -- * data_ready() callback */ -- void *ksnc_saved_write_space; /* socket's original -- * write_space() callback */ -+ void (*ksnc_saved_data_ready)(struct sock *sk); /* socket's original data_ready() callback */ -+ void (*ksnc_saved_write_space)(struct sock *sk); /* socket's original write_space() callback */ - atomic_t ksnc_conn_refcount;/* conn refcount */ - atomic_t ksnc_sock_refcount;/* sock refcount */ - struct ksock_sched *ksnc_scheduler; /* who schedules this connection -diff --git a/drivers/staging/lustre/lnet/selftest/brw_test.c b/drivers/staging/lustre/lnet/selftest/brw_test.c -index b20c5d3..a22fa96 100644 ---- a/drivers/staging/lustre/lnet/selftest/brw_test.c -+++ b/drivers/staging/lustre/lnet/selftest/brw_test.c -@@ -324,7 +324,7 @@ brw_client_done_rpc(struct sfw_test_unit *tsu, struct srpc_client_rpc *rpc) - CERROR("BRW RPC to %s failed with %d\n", - libcfs_id2str(rpc->crpc_dest), rpc->crpc_status); - if (!tsi->tsi_stopping) /* rpc could have been aborted */ -- atomic_inc(&sn->sn_brw_errors); -+ atomic_inc_unchecked(&sn->sn_brw_errors); - return; - } - -@@ -338,7 +338,7 @@ brw_client_done_rpc(struct sfw_test_unit *tsu, struct srpc_client_rpc *rpc) - libcfs_id2str(rpc->crpc_dest), reply->brw_status); - - if (reply->brw_status) { -- atomic_inc(&sn->sn_brw_errors); -+ atomic_inc_unchecked(&sn->sn_brw_errors); - rpc->crpc_status = -(int)reply->brw_status; - return; - } -@@ -349,7 +349,7 @@ brw_client_done_rpc(struct sfw_test_unit *tsu, struct srpc_client_rpc *rpc) - if (brw_check_bulk(&rpc->crpc_bulk, reqst->brw_flags, magic)) { - CERROR("Bulk data from %s is corrupted!\n", - libcfs_id2str(rpc->crpc_dest)); -- atomic_inc(&sn->sn_brw_errors); -+ atomic_inc_unchecked(&sn->sn_brw_errors); - rpc->crpc_status = -EBADMSG; - } - } -@@ -484,14 +484,11 @@ brw_server_handle(struct srpc_server_rpc *rpc) - return 0; - } - --struct sfw_test_client_ops brw_test_client; -- --void brw_init_test_client(void) --{ -- brw_test_client.tso_init = brw_client_init; -- brw_test_client.tso_fini = brw_client_fini; -- brw_test_client.tso_prep_rpc = brw_client_prep_rpc; -- brw_test_client.tso_done_rpc = brw_client_done_rpc; -+struct sfw_test_client_ops brw_test_client = { -+ .tso_init = brw_client_init, -+ .tso_fini = brw_client_fini, -+ .tso_prep_rpc = brw_client_prep_rpc, -+ .tso_done_rpc = brw_client_done_rpc, - }; - - struct srpc_service brw_test_service; -diff --git a/drivers/staging/lustre/lnet/selftest/framework.c b/drivers/staging/lustre/lnet/selftest/framework.c -index abbd628..cfdf112 100644 ---- a/drivers/staging/lustre/lnet/selftest/framework.c -+++ b/drivers/staging/lustre/lnet/selftest/framework.c -@@ -262,8 +262,8 @@ sfw_init_session(struct sfw_session *sn, lst_sid_t sid, - INIT_LIST_HEAD(&sn->sn_list); - INIT_LIST_HEAD(&sn->sn_batches); - atomic_set(&sn->sn_refcount, 1); /* +1 for caller */ -- atomic_set(&sn->sn_brw_errors, 0); -- atomic_set(&sn->sn_ping_errors, 0); -+ atomic_set_unchecked(&sn->sn_brw_errors, 0); -+ atomic_set_unchecked(&sn->sn_ping_errors, 0); - strlcpy(&sn->sn_name[0], name, sizeof(sn->sn_name)); - - sn->sn_timer_active = 0; -@@ -383,8 +383,8 @@ sfw_get_stats(struct srpc_stat_reqst *request, struct srpc_stat_reply *reply) - * with 32 bits to send, this is ~49 days - */ - cnt->running_ms = jiffies_to_msecs(jiffies - sn->sn_started); -- cnt->brw_errors = atomic_read(&sn->sn_brw_errors); -- cnt->ping_errors = atomic_read(&sn->sn_ping_errors); -+ cnt->brw_errors = atomic_read_unchecked(&sn->sn_brw_errors); -+ cnt->ping_errors = atomic_read_unchecked(&sn->sn_ping_errors); - cnt->zombie_sessions = atomic_read(&sfw_data.fw_nzombies); - - cnt->active_batches = 0; -@@ -1655,12 +1655,10 @@ sfw_startup(void) - INIT_LIST_HEAD(&sfw_data.fw_zombie_rpcs); - INIT_LIST_HEAD(&sfw_data.fw_zombie_sessions); - -- brw_init_test_client(); - brw_init_test_service(); - rc = sfw_register_test(&brw_test_service, &brw_test_client); - LASSERT(!rc); - -- ping_init_test_client(); - ping_init_test_service(); - rc = sfw_register_test(&ping_test_service, &ping_test_client); - LASSERT(!rc); -diff --git a/drivers/staging/lustre/lnet/selftest/ping_test.c b/drivers/staging/lustre/lnet/selftest/ping_test.c -index 9331ca4..23511db 100644 ---- a/drivers/staging/lustre/lnet/selftest/ping_test.c -+++ b/drivers/staging/lustre/lnet/selftest/ping_test.c -@@ -74,7 +74,7 @@ ping_client_fini(struct sfw_test_instance *tsi) - LASSERT(sn); - LASSERT(tsi->tsi_is_client); - -- errors = atomic_read(&sn->sn_ping_errors); -+ errors = atomic_read_unchecked(&sn->sn_ping_errors); - if (errors) - CWARN("%d pings have failed.\n", errors); - else -@@ -126,7 +126,7 @@ ping_client_done_rpc(struct sfw_test_unit *tsu, struct srpc_client_rpc *rpc) - - if (rpc->crpc_status) { - if (!tsi->tsi_stopping) /* rpc could have been aborted */ -- atomic_inc(&sn->sn_ping_errors); -+ atomic_inc_unchecked(&sn->sn_ping_errors); - CERROR("Unable to ping %s (%d): %d\n", - libcfs_id2str(rpc->crpc_dest), - reqst->pnr_seq, rpc->crpc_status); -@@ -141,7 +141,7 @@ ping_client_done_rpc(struct sfw_test_unit *tsu, struct srpc_client_rpc *rpc) - - if (reply->pnr_magic != LST_PING_TEST_MAGIC) { - rpc->crpc_status = -EBADMSG; -- atomic_inc(&sn->sn_ping_errors); -+ atomic_inc_unchecked(&sn->sn_ping_errors); - CERROR("Bad magic %u from %s, %u expected.\n", - reply->pnr_magic, libcfs_id2str(rpc->crpc_dest), - LST_PING_TEST_MAGIC); -@@ -150,7 +150,7 @@ ping_client_done_rpc(struct sfw_test_unit *tsu, struct srpc_client_rpc *rpc) - - if (reply->pnr_seq != reqst->pnr_seq) { - rpc->crpc_status = -EBADMSG; -- atomic_inc(&sn->sn_ping_errors); -+ atomic_inc_unchecked(&sn->sn_ping_errors); - CERROR("Bad seq %u from %s, %u expected.\n", - reply->pnr_seq, libcfs_id2str(rpc->crpc_dest), - reqst->pnr_seq); -@@ -206,15 +206,12 @@ ping_server_handle(struct srpc_server_rpc *rpc) - return 0; - } - --struct sfw_test_client_ops ping_test_client; -- --void ping_init_test_client(void) --{ -- ping_test_client.tso_init = ping_client_init; -- ping_test_client.tso_fini = ping_client_fini; -- ping_test_client.tso_prep_rpc = ping_client_prep_rpc; -- ping_test_client.tso_done_rpc = ping_client_done_rpc; --} -+struct sfw_test_client_ops ping_test_client = { -+ .tso_init = ping_client_init, -+ .tso_fini = ping_client_fini, -+ .tso_prep_rpc = ping_client_prep_rpc, -+ .tso_done_rpc = ping_client_done_rpc, -+}; - - struct srpc_service ping_test_service; - -diff --git a/drivers/staging/lustre/lnet/selftest/selftest.h b/drivers/staging/lustre/lnet/selftest/selftest.h -index d033ac0..528a102 100644 ---- a/drivers/staging/lustre/lnet/selftest/selftest.h -+++ b/drivers/staging/lustre/lnet/selftest/selftest.h -@@ -328,8 +328,8 @@ struct sfw_session { - struct list_head sn_batches; /* list of batches */ - char sn_name[LST_NAME_SIZE]; - atomic_t sn_refcount; -- atomic_t sn_brw_errors; -- atomic_t sn_ping_errors; -+ atomic_unchecked_t sn_brw_errors; -+ atomic_unchecked_t sn_ping_errors; - unsigned long sn_started; - }; - -@@ -607,13 +607,11 @@ srpc_wait_service_shutdown(struct srpc_service *sv) - } - - extern struct sfw_test_client_ops brw_test_client; --void brw_init_test_client(void); - - extern struct srpc_service brw_test_service; - void brw_init_test_service(void); - - extern struct sfw_test_client_ops ping_test_client; --void ping_init_test_client(void); - - extern struct srpc_service ping_test_service; - void ping_init_test_service(void); -diff --git a/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h b/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h -index 72eaee9..914396c 100644 ---- a/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h -+++ b/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h -@@ -785,7 +785,7 @@ static inline ino_t lu_igif_ino(const struct lu_fid *fid) - return fid_seq(fid); - } - --void lustre_swab_ost_id(struct ost_id *oid); -+void lustre_swab_ost_id(void *oid); - - /** - * Get inode generation from a igif. -@@ -847,8 +847,8 @@ static inline bool fid_is_sane(const struct lu_fid *fid) - fid_seq_is_rsvd(fid_seq(fid))); - } - --void lustre_swab_lu_fid(struct lu_fid *fid); --void lustre_swab_lu_seq_range(struct lu_seq_range *range); -+void lustre_swab_lu_fid(void *fid); -+void lustre_swab_lu_seq_range(void *range); - - static inline bool lu_fid_eq(const struct lu_fid *f0, const struct lu_fid *f1) - { -@@ -1144,7 +1144,7 @@ struct ptlrpc_body_v2 { - __u64 pb_padding[4]; - }; - --void lustre_swab_ptlrpc_body(struct ptlrpc_body *pb); -+void lustre_swab_ptlrpc_body(void *pb); - - /* message body offset for lustre_msg_v2 */ - /* ptlrpc body offset in all request/reply messages */ -@@ -1380,7 +1380,7 @@ struct obd_connect_data { - * reserve the flag for future use. - */ - --void lustre_swab_connect(struct obd_connect_data *ocd); -+void lustre_swab_connect(void *ocd); - - /* - * Supported checksum algorithms. Up to 32 checksum types are supported. -@@ -1742,10 +1742,10 @@ struct hsm_state_set { - __u64 hss_clearmask; - }; - --void lustre_swab_hsm_user_state(struct hsm_user_state *hus); --void lustre_swab_hsm_state_set(struct hsm_state_set *hss); -+void lustre_swab_hsm_user_state(void *hus); -+void lustre_swab_hsm_state_set(void *hss); - --void lustre_swab_obd_statfs(struct obd_statfs *os); -+void lustre_swab_obd_statfs(void *os); - - /* ost_body.data values for OST_BRW */ - -@@ -1792,7 +1792,7 @@ struct obd_ioobj { - #define ioobj_max_brw_set(ioo, num) \ - do { (ioo)->ioo_max_brw = ((num) - 1) << IOOBJ_MAX_BRW_BITS; } while (0) - --void lustre_swab_obd_ioobj(struct obd_ioobj *ioo); -+void lustre_swab_obd_ioobj(void *ioo); - - /* multiple of 8 bytes => can array */ - struct niobuf_remote { -@@ -1801,7 +1801,7 @@ struct niobuf_remote { - __u32 rnb_flags; - }; - --void lustre_swab_niobuf_remote(struct niobuf_remote *nbr); -+void lustre_swab_niobuf_remote(void *nbr); - - /* lock value block communicated between the filter and llite */ - -@@ -1866,7 +1866,7 @@ struct obd_quotactl { - struct obd_dqblk qc_dqblk; - }; - --void lustre_swab_obd_quotactl(struct obd_quotactl *q); -+void lustre_swab_obd_quotactl(void *q); - - #define Q_COPY(out, in, member) (out)->member = (in)->member - -@@ -1972,7 +1972,7 @@ enum mdt_reint_cmd { - REINT_MAX - }; - --void lustre_swab_generic_32s(__u32 *val); -+void lustre_swab_generic_32s(void *val); - - /* the disposition of the intent outlines what was executed */ - #define DISP_IT_EXECD 0x00000001 -@@ -2132,7 +2132,7 @@ struct mdt_body { - __u64 mbo_padding_10; - }; /* 216 */ - --void lustre_swab_mdt_body(struct mdt_body *b); -+void lustre_swab_mdt_body(void *b); - - struct mdt_ioepoch { - struct lustre_handle handle; -@@ -2141,7 +2141,7 @@ struct mdt_ioepoch { - __u32 padding; - }; - --void lustre_swab_mdt_ioepoch(struct mdt_ioepoch *b); -+void lustre_swab_mdt_ioepoch(void *b); - - /* permissions for md_perm.mp_perm */ - enum { -@@ -2456,7 +2456,7 @@ struct mdt_rec_reint { - __u32 rr_padding_4; /* also fix lustre_swab_mdt_rec_reint */ - }; - --void lustre_swab_mdt_rec_reint(struct mdt_rec_reint *rr); -+void lustre_swab_mdt_rec_reint(void *rr); - - /* lmv structures */ - struct lmv_desc { -@@ -2759,13 +2759,13 @@ union ldlm_gl_desc { - struct ldlm_gl_lquota_desc lquota_desc; - }; - --void lustre_swab_gl_desc(union ldlm_gl_desc *); -+void lustre_swab_gl_desc(void *); - - struct ldlm_intent { - __u64 opc; - }; - --void lustre_swab_ldlm_intent(struct ldlm_intent *i); -+void lustre_swab_ldlm_intent(void *i); - - struct ldlm_resource_desc { - enum ldlm_type lr_type; -@@ -2790,7 +2790,7 @@ struct ldlm_request { - struct lustre_handle lock_handle[LDLM_LOCKREQ_HANDLES]; - }; - --void lustre_swab_ldlm_request(struct ldlm_request *rq); -+void lustre_swab_ldlm_request(void *rq); - - /* If LDLM_ENQUEUE, 1 slot is already occupied, 1 is available. - * Otherwise, 2 are available. -@@ -2813,7 +2813,7 @@ struct ldlm_reply { - __u64 lock_policy_res2; - }; - --void lustre_swab_ldlm_reply(struct ldlm_reply *r); -+void lustre_swab_ldlm_reply(void *r); - - #define ldlm_flags_to_wire(flags) ((__u32)(flags)) - #define ldlm_flags_from_wire(flags) ((__u64)(flags)) -@@ -2858,7 +2858,7 @@ struct mgs_target_info { - char mti_params[MTI_PARAM_MAXLEN]; - }; - --void lustre_swab_mgs_target_info(struct mgs_target_info *oinfo); -+void lustre_swab_mgs_target_info(void *oinfo); - - struct mgs_nidtbl_entry { - __u64 mne_version; /* table version of this entry */ -@@ -2885,14 +2885,14 @@ struct mgs_config_body { - __u32 mcb_units; /* # of units for bulk transfer */ - }; - --void lustre_swab_mgs_config_body(struct mgs_config_body *body); -+void lustre_swab_mgs_config_body(void *body); - - struct mgs_config_res { - __u64 mcr_offset; /* index of last config log */ - __u64 mcr_size; /* size of the log */ - }; - --void lustre_swab_mgs_config_res(struct mgs_config_res *body); -+void lustre_swab_mgs_config_res(void *body); - - /* Config marker flags (in config log) */ - #define CM_START 0x01 -@@ -3338,9 +3338,9 @@ struct ll_fiemap_info_key { - struct ll_user_fiemap fiemap; - }; - --void lustre_swab_ost_body(struct ost_body *b); --void lustre_swab_ost_last_id(__u64 *id); --void lustre_swab_fiemap(struct ll_user_fiemap *fiemap); -+void lustre_swab_ost_body(void *b); -+void lustre_swab_ost_last_id(void *id); -+void lustre_swab_fiemap(void *fiemap); - - void lustre_swab_lov_user_md_v1(struct lov_user_md_v1 *lum); - void lustre_swab_lov_user_md_v3(struct lov_user_md_v3 *lum); -@@ -3349,19 +3349,19 @@ void lustre_swab_lov_user_md_objects(struct lov_user_ost_data *lod, - void lustre_swab_lov_mds_md(struct lov_mds_md *lmm); - - /* llog_swab.c */ --void lustre_swab_llogd_body(struct llogd_body *d); --void lustre_swab_llog_hdr(struct llog_log_hdr *h); --void lustre_swab_llogd_conn_body(struct llogd_conn_body *d); -+void lustre_swab_llogd_body(void *d); -+void lustre_swab_llog_hdr(void *h); -+void lustre_swab_llogd_conn_body(void *d); - void lustre_swab_llog_rec(struct llog_rec_hdr *rec); - - struct lustre_cfg; - void lustre_swab_lustre_cfg(struct lustre_cfg *lcfg); - - /* Functions for dumping PTLRPC fields */ --void dump_rniobuf(struct niobuf_remote *rnb); --void dump_ioo(struct obd_ioobj *nb); --void dump_ost_body(struct ost_body *ob); --void dump_rcs(__u32 *rc); -+void dump_rniobuf(void *rnb); -+void dump_ioo(void *nb); -+void dump_ost_body(void *ob); -+void dump_rcs(void *rc); - - /* security opcodes */ - enum sec_cmd { -@@ -3394,7 +3394,7 @@ struct lustre_capa { - __u8 lc_hmac[CAPA_HMAC_MAX_LEN]; /** HMAC */ - } __packed; - --void lustre_swab_lustre_capa(struct lustre_capa *c); -+void lustre_swab_lustre_capa(void *c); - - /** lustre_capa::lc_opc */ - enum { -@@ -3486,7 +3486,7 @@ struct layout_intent { - __u64 li_end; - }; - --void lustre_swab_layout_intent(struct layout_intent *li); -+void lustre_swab_layout_intent(void *li); - - /** - * On the wire version of hsm_progress structure. -@@ -3506,12 +3506,10 @@ struct hsm_progress_kernel { - __u64 hpk_padding2; - } __packed; - --void lustre_swab_hsm_user_state(struct hsm_user_state *hus); --void lustre_swab_hsm_current_action(struct hsm_current_action *action); --void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk); --void lustre_swab_hsm_user_state(struct hsm_user_state *hus); --void lustre_swab_hsm_user_item(struct hsm_user_item *hui); --void lustre_swab_hsm_request(struct hsm_request *hr); -+void lustre_swab_hsm_current_action(void *action); -+void lustre_swab_hsm_progress_kernel(void *hpk); -+void lustre_swab_hsm_user_item(void *hui); -+void lustre_swab_hsm_request(void *hr); - - /** layout swap request structure - * fid1 and fid2 are in mdt_body -@@ -3520,7 +3518,7 @@ struct mdc_swap_layouts { - __u64 msl_flags; - } __packed; - --void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl); -+void lustre_swab_swap_layouts(void *msl); - - struct close_data { - struct lustre_handle cd_handle; -@@ -3529,7 +3527,7 @@ struct close_data { - __u64 cd_reserved[8]; - }; - --void lustre_swab_close_data(struct close_data *data); -+void lustre_swab_close_data(void *data); - - #endif - /** @} lustreidl */ -diff --git a/drivers/staging/lustre/lustre/include/lustre_dlm.h b/drivers/staging/lustre/lustre/include/lustre_dlm.h -index d035344..b81bfb6 100644 ---- a/drivers/staging/lustre/lustre/include/lustre_dlm.h -+++ b/drivers/staging/lustre/lustre/include/lustre_dlm.h -@@ -969,9 +969,9 @@ struct ldlm_ast_work { - struct ldlm_enqueue_info { - __u32 ei_type; /** Type of the lock being enqueued. */ - __u32 ei_mode; /** Mode of the lock being enqueued. */ -- void *ei_cb_bl; /** blocking lock callback */ -- void *ei_cb_cp; /** lock completion callback */ -- void *ei_cb_gl; /** lock glimpse callback */ -+ ldlm_blocking_callback ei_cb_bl; /** blocking lock callback */ -+ ldlm_completion_callback ei_cb_cp; /** lock completion callback */ -+ ldlm_glimpse_callback ei_cb_gl; /** lock glimpse callback */ - void *ei_cbdata; /** Data to be passed into callbacks. */ - unsigned int ei_enq_slave:1; /* whether enqueue slave stripes */ - }; -@@ -1066,7 +1066,7 @@ struct ldlm_callback_suite { - ldlm_completion_callback lcs_completion; - ldlm_blocking_callback lcs_blocking; - ldlm_glimpse_callback lcs_glimpse; --}; -+} __no_const; - - /* ldlm_lockd.c */ - int ldlm_get_ref(void); -diff --git a/drivers/staging/lustre/lustre/include/lustre_net.h b/drivers/staging/lustre/lustre/include/lustre_net.h -index e9aba99..53cd7ef 100644 ---- a/drivers/staging/lustre/lustre/include/lustre_net.h -+++ b/drivers/staging/lustre/lustre/include/lustre_net.h -@@ -2639,7 +2639,7 @@ void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, u32 n, u32 min_size); - void *lustre_msg_buf(struct lustre_msg *m, u32 n, u32 minlen); - u32 lustre_msg_buflen(struct lustre_msg *m, u32 n); - u32 lustre_msg_bufcount(struct lustre_msg *m); --char *lustre_msg_string(struct lustre_msg *m, u32 n, u32 max_len); -+void *lustre_msg_string(struct lustre_msg *m, u32 n, u32 max_len); - __u32 lustre_msghdr_get_flags(struct lustre_msg *msg); - void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags); - __u32 lustre_msg_get_flags(struct lustre_msg *msg); -diff --git a/drivers/staging/lustre/lustre/include/obd.h b/drivers/staging/lustre/lustre/include/obd.h -index f6fc4dd..afdee7e 100644 ---- a/drivers/staging/lustre/lustre/include/obd.h -+++ b/drivers/staging/lustre/lustre/include/obd.h -@@ -1076,7 +1076,7 @@ struct md_ops { - * lprocfs_alloc_md_stats() in obdclass/lprocfs_status.c. Also, add a - * wrapper function in include/linux/obd_class.h. - */ --}; -+} __no_const; - - struct lsm_operations { - void (*lsm_free)(struct lov_stripe_md *); -diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c b/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c -index 861f36f..69d22b9 100644 ---- a/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c -+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c -@@ -143,7 +143,7 @@ static int ldlm_process_flock_lock(struct ldlm_lock *req, __u64 *flags, - int added = (mode == LCK_NL); - int overlaps = 0; - int splitted = 0; -- const struct ldlm_callback_suite null_cbs = { NULL }; -+ const struct ldlm_callback_suite null_cbs = { }; - - CDEBUG(D_DLMTRACE, - "flags %#llx owner %llu pid %u mode %u start %llu end %llu\n", -diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c -index 35ba6f1..75c9cdd 100644 ---- a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c -+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c -@@ -1850,8 +1850,9 @@ static int ldlm_chain_lock_for_replay(struct ldlm_lock *lock, void *closure) - - static int replay_lock_interpret(const struct lu_env *env, - struct ptlrpc_request *req, -- struct ldlm_async_args *aa, int rc) -+ void *_aa, int rc) - { -+ struct ldlm_async_args *aa = _aa; - struct ldlm_lock *lock; - struct ldlm_reply *reply; - struct obd_export *exp; -@@ -1978,7 +1979,7 @@ static int replay_one_lock(struct obd_import *imp, struct ldlm_lock *lock) - CLASSERT(sizeof(*aa) <= sizeof(req->rq_async_args)); - aa = ptlrpc_req_async_args(req); - aa->lock_handle = body->lock_handle[0]; -- req->rq_interpret_reply = (ptlrpc_interpterer_t)replay_lock_interpret; -+ req->rq_interpret_reply = replay_lock_interpret; - ptlrpcd_add_req(req); - - return 0; -diff --git a/drivers/staging/lustre/lustre/llite/dir.c b/drivers/staging/lustre/lustre/llite/dir.c -index 7f32a53..234abb7 100644 ---- a/drivers/staging/lustre/lustre/llite/dir.c -+++ b/drivers/staging/lustre/lustre/llite/dir.c -@@ -136,11 +136,12 @@ - struct page *ll_get_dir_page(struct inode *dir, struct md_op_data *op_data, - __u64 offset) - { -- struct md_callback cb_op; -+ static struct md_callback cb_op = { -+ .md_blocking_ast = ll_md_blocking_ast, -+ }; - struct page *page; - int rc; - -- cb_op.md_blocking_ast = ll_md_blocking_ast; - rc = md_read_page(ll_i2mdexp(dir), op_data, &cb_op, offset, &page); - if (rc) - return ERR_PTR(rc); -diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h -index 4bc5512..08ff257 100644 ---- a/drivers/staging/lustre/lustre/llite/llite_internal.h -+++ b/drivers/staging/lustre/lustre/llite/llite_internal.h -@@ -504,16 +504,16 @@ struct ll_sb_info { - - /* metadata stat-ahead */ - unsigned int ll_sa_max; /* max statahead RPCs */ -- atomic_t ll_sa_total; /* statahead thread started -+ atomic_unchecked_t ll_sa_total; /* statahead thread started - * count - */ -- atomic_t ll_sa_wrong; /* statahead thread stopped for -+ atomic_unchecked_t ll_sa_wrong; /* statahead thread stopped for - * low hit ratio - */ - atomic_t ll_sa_running; /* running statahead thread - * count - */ -- atomic_t ll_agl_total; /* AGL thread started count */ -+ atomic_unchecked_t ll_agl_total; /* AGL thread started count */ - - dev_t ll_sdev_orig; /* save s_dev before assign for - * clustered nfs -diff --git a/drivers/staging/lustre/lustre/llite/llite_lib.c b/drivers/staging/lustre/lustre/llite/llite_lib.c -index e5c62f4..9f82038 100644 ---- a/drivers/staging/lustre/lustre/llite/llite_lib.c -+++ b/drivers/staging/lustre/lustre/llite/llite_lib.c -@@ -113,10 +113,10 @@ static struct ll_sb_info *ll_init_sbi(struct super_block *sb) - - /* metadata statahead is enabled by default */ - sbi->ll_sa_max = LL_SA_RPC_DEF; -- atomic_set(&sbi->ll_sa_total, 0); -- atomic_set(&sbi->ll_sa_wrong, 0); -+ atomic_set_unchecked(&sbi->ll_sa_total, 0); -+ atomic_set_unchecked(&sbi->ll_sa_wrong, 0); - atomic_set(&sbi->ll_sa_running, 0); -- atomic_set(&sbi->ll_agl_total, 0); -+ atomic_set_unchecked(&sbi->ll_agl_total, 0); - sbi->ll_flags |= LL_SBI_AGL_ENABLED; - - /* root squash */ -diff --git a/drivers/staging/lustre/lustre/llite/lproc_llite.c b/drivers/staging/lustre/lustre/llite/lproc_llite.c -index 23fda9d..2e43092 100644 ---- a/drivers/staging/lustre/lustre/llite/lproc_llite.c -+++ b/drivers/staging/lustre/lustre/llite/lproc_llite.c -@@ -686,9 +686,9 @@ static int ll_statahead_stats_seq_show(struct seq_file *m, void *v) - "statahead total: %u\n" - "statahead wrong: %u\n" - "agl total: %u\n", -- atomic_read(&sbi->ll_sa_total), -- atomic_read(&sbi->ll_sa_wrong), -- atomic_read(&sbi->ll_agl_total)); -+ atomic_read_unchecked(&sbi->ll_sa_total), -+ atomic_read_unchecked(&sbi->ll_sa_wrong), -+ atomic_read_unchecked(&sbi->ll_agl_total)); - return 0; - } - -diff --git a/drivers/staging/lustre/lustre/llite/statahead.c b/drivers/staging/lustre/lustre/llite/statahead.c -index 0677513..4c7ea03 100644 ---- a/drivers/staging/lustre/lustre/llite/statahead.c -+++ b/drivers/staging/lustre/lustre/llite/statahead.c -@@ -893,7 +893,7 @@ static int ll_agl_thread(void *arg) - CDEBUG(D_READA, "agl thread started: sai %p, parent %pd\n", - sai, parent); - -- atomic_inc(&sbi->ll_agl_total); -+ atomic_inc_unchecked(&sbi->ll_agl_total); - spin_lock(&plli->lli_agl_lock); - sai->sai_agl_valid = 1; - if (thread_is_init(thread)) -@@ -1010,7 +1010,7 @@ static int ll_statahead_thread(void *arg) - if (sbi->ll_flags & LL_SBI_AGL_ENABLED) - ll_start_agl(parent, sai); - -- atomic_inc(&sbi->ll_sa_total); -+ atomic_inc_unchecked(&sbi->ll_sa_total); - spin_lock(&lli->lli_sa_lock); - if (thread_is_init(sa_thread)) - /* If someone else has changed the thread state -@@ -1123,7 +1123,7 @@ static int ll_statahead_thread(void *arg) - - if (sa_low_hit(sai)) { - rc = -EFAULT; -- atomic_inc(&sbi->ll_sa_wrong); -+ atomic_inc_unchecked(&sbi->ll_sa_wrong); - CDEBUG(D_READA, "Statahead for dir "DFID" hit ratio too low: hit/miss %llu/%llu, sent/replied %llu/%llu, stopping statahead thread: pid %d\n", - PFID(&lli->lli_fid), sai->sai_hit, - sai->sai_miss, sai->sai_sent, -diff --git a/drivers/staging/lustre/lustre/lov/lov_internal.h b/drivers/staging/lustre/lustre/lov/lov_internal.h -index 07e5ede..6282744 100644 ---- a/drivers/staging/lustre/lustre/lov/lov_internal.h -+++ b/drivers/staging/lustre/lustre/lov/lov_internal.h -@@ -107,9 +107,9 @@ struct lov_request_set { - */ - struct obd_device *set_obd; - int set_count; -- atomic_t set_completes; -- atomic_t set_success; -- atomic_t set_finish_checked; -+ atomic_unchecked_t set_completes; -+ atomic_unchecked_t set_success; -+ atomic_unchecked_t set_finish_checked; - struct llog_cookie *set_cookies; - int set_cookie_sent; - struct list_head set_list; -diff --git a/drivers/staging/lustre/lustre/lov/lov_io.c b/drivers/staging/lustre/lustre/lov/lov_io.c -index d101579..def85ec 100644 ---- a/drivers/staging/lustre/lustre/lov/lov_io.c -+++ b/drivers/staging/lustre/lustre/lov/lov_io.c -@@ -821,12 +821,32 @@ static void lov_empty_io_fini(const struct lu_env *env, - } - - static void lov_empty_impossible(const struct lu_env *env, -- struct cl_io_slice *ios) -+ const struct cl_io_slice *ios) - { - LBUG(); - } - --#define LOV_EMPTY_IMPOSSIBLE ((void *)lov_empty_impossible) -+static int lov_empty_impossible2(const struct lu_env *env, -+ const struct cl_io_slice *ios) -+{ -+ LBUG(); -+} -+ -+static int lov_empty_impossible3(const struct lu_env *env, -+ const struct cl_io_slice *slice, -+ enum cl_req_type crt, -+ struct cl_2queue *queue) -+{ -+ LBUG(); -+} -+ -+static int lov_empty_impossible4(const struct lu_env *env, -+ const struct cl_io_slice *slice, -+ struct cl_page_list *queue, int from, int to, -+ cl_commit_cbt cb) -+{ -+ LBUG(); -+} - - /** - * An io operation vector for files without stripes. -@@ -836,32 +856,32 @@ static const struct cl_io_operations lov_empty_io_ops = { - [CIT_READ] = { - .cio_fini = lov_empty_io_fini, - #if 0 -- .cio_iter_init = LOV_EMPTY_IMPOSSIBLE, -- .cio_lock = LOV_EMPTY_IMPOSSIBLE, -- .cio_start = LOV_EMPTY_IMPOSSIBLE, -- .cio_end = LOV_EMPTY_IMPOSSIBLE -+ .cio_iter_init = lov_empty_impossible2, -+ .cio_lock = lov_empty_impossible2, -+ .cio_start = lov_empty_impossible2, -+ .cio_end = lov_empty_impossible - #endif - }, - [CIT_WRITE] = { - .cio_fini = lov_empty_io_fini, -- .cio_iter_init = LOV_EMPTY_IMPOSSIBLE, -- .cio_lock = LOV_EMPTY_IMPOSSIBLE, -- .cio_start = LOV_EMPTY_IMPOSSIBLE, -- .cio_end = LOV_EMPTY_IMPOSSIBLE -+ .cio_iter_init = lov_empty_impossible2, -+ .cio_lock = lov_empty_impossible2, -+ .cio_start = lov_empty_impossible2, -+ .cio_end = lov_empty_impossible - }, - [CIT_SETATTR] = { - .cio_fini = lov_empty_io_fini, -- .cio_iter_init = LOV_EMPTY_IMPOSSIBLE, -- .cio_lock = LOV_EMPTY_IMPOSSIBLE, -- .cio_start = LOV_EMPTY_IMPOSSIBLE, -- .cio_end = LOV_EMPTY_IMPOSSIBLE -+ .cio_iter_init = lov_empty_impossible2, -+ .cio_lock = lov_empty_impossible2, -+ .cio_start = lov_empty_impossible2, -+ .cio_end = lov_empty_impossible - }, - [CIT_FAULT] = { - .cio_fini = lov_empty_io_fini, -- .cio_iter_init = LOV_EMPTY_IMPOSSIBLE, -- .cio_lock = LOV_EMPTY_IMPOSSIBLE, -- .cio_start = LOV_EMPTY_IMPOSSIBLE, -- .cio_end = LOV_EMPTY_IMPOSSIBLE -+ .cio_iter_init = lov_empty_impossible2, -+ .cio_lock = lov_empty_impossible2, -+ .cio_start = lov_empty_impossible2, -+ .cio_end = lov_empty_impossible - }, - [CIT_FSYNC] = { - .cio_fini = lov_empty_io_fini -@@ -870,8 +890,8 @@ static const struct cl_io_operations lov_empty_io_ops = { - .cio_fini = lov_empty_io_fini - } - }, -- .cio_submit = LOV_EMPTY_IMPOSSIBLE, -- .cio_commit_async = LOV_EMPTY_IMPOSSIBLE -+ .cio_submit = lov_empty_impossible3, -+ .cio_commit_async = lov_empty_impossible4 - }; - - int lov_io_init_raid0(const struct lu_env *env, struct cl_object *obj, -diff --git a/drivers/staging/lustre/lustre/lov/lov_obd.c b/drivers/staging/lustre/lustre/lov/lov_obd.c -index b23016f..e808e52 100644 ---- a/drivers/staging/lustre/lustre/lov/lov_obd.c -+++ b/drivers/staging/lustre/lustre/lov/lov_obd.c -@@ -988,7 +988,7 @@ static int lov_getattr_interpret(struct ptlrpc_request_set *rqset, - - /* don't do attribute merge if this async op failed */ - if (rc) -- atomic_set(&lovset->set_completes, 0); -+ atomic_set_unchecked(&lovset->set_completes, 0); - err = lov_fini_getattr_set(lovset); - return rc ? rc : err; - } -@@ -1043,7 +1043,7 @@ static int lov_getattr_async(struct obd_export *exp, struct obd_info *oinfo, - } - out: - if (rc) -- atomic_set(&lovset->set_completes, 0); -+ atomic_set_unchecked(&lovset->set_completes, 0); - err = lov_fini_getattr_set(lovset); - return rc ? rc : err; - } -@@ -1055,7 +1055,7 @@ static int lov_setattr_interpret(struct ptlrpc_request_set *rqset, - int err; - - if (rc) -- atomic_set(&lovset->set_completes, 0); -+ atomic_set_unchecked(&lovset->set_completes, 0); - err = lov_fini_setattr_set(lovset); - return rc ? rc : err; - } -@@ -1117,7 +1117,7 @@ static int lov_setattr_async(struct obd_export *exp, struct obd_info *oinfo, - int err; - - if (rc) -- atomic_set(&set->set_completes, 0); -+ atomic_set_unchecked(&set->set_completes, 0); - err = lov_fini_setattr_set(set); - return rc ? rc : err; - } -@@ -1135,7 +1135,7 @@ int lov_statfs_interpret(struct ptlrpc_request_set *rqset, void *data, int rc) - int err; - - if (rc) -- atomic_set(&lovset->set_completes, 0); -+ atomic_set_unchecked(&lovset->set_completes, 0); - - err = lov_fini_statfs_set(lovset); - return rc ? rc : err; -@@ -1168,7 +1168,7 @@ static int lov_statfs_async(struct obd_export *exp, struct obd_info *oinfo, - int err; - - if (rc) -- atomic_set(&set->set_completes, 0); -+ atomic_set_unchecked(&set->set_completes, 0); - err = lov_fini_statfs_set(set); - return rc ? rc : err; - } -diff --git a/drivers/staging/lustre/lustre/lov/lov_request.c b/drivers/staging/lustre/lustre/lov/lov_request.c -index 09dcaf4..8d02a46 100644 ---- a/drivers/staging/lustre/lustre/lov/lov_request.c -+++ b/drivers/staging/lustre/lustre/lov/lov_request.c -@@ -41,9 +41,9 @@ - static void lov_init_set(struct lov_request_set *set) - { - set->set_count = 0; -- atomic_set(&set->set_completes, 0); -- atomic_set(&set->set_success, 0); -- atomic_set(&set->set_finish_checked, 0); -+ atomic_set_unchecked(&set->set_completes, 0); -+ atomic_set_unchecked(&set->set_success, 0); -+ atomic_set_unchecked(&set->set_finish_checked, 0); - set->set_cookies = NULL; - INIT_LIST_HEAD(&set->set_list); - atomic_set(&set->set_refcount, 1); -@@ -71,14 +71,14 @@ void lov_finish_set(struct lov_request_set *set) - - static int lov_set_finished(struct lov_request_set *set, int idempotent) - { -- int completes = atomic_read(&set->set_completes); -+ int completes = atomic_read_unchecked(&set->set_completes); - - CDEBUG(D_INFO, "check set %d/%d\n", completes, set->set_count); - - if (completes == set->set_count) { - if (idempotent) - return 1; -- if (atomic_inc_return(&set->set_finish_checked) == 1) -+ if (atomic_inc_return_unchecked(&set->set_finish_checked) == 1) - return 1; - } - return 0; -@@ -90,9 +90,9 @@ static void lov_update_set(struct lov_request_set *set, - req->rq_complete = 1; - req->rq_rc = rc; - -- atomic_inc(&set->set_completes); -+ atomic_inc_unchecked(&set->set_completes); - if (rc == 0) -- atomic_inc(&set->set_success); -+ atomic_inc_unchecked(&set->set_success); - - wake_up(&set->set_waitq); - } -@@ -192,7 +192,7 @@ static int common_attr_done(struct lov_request_set *set) - if (!set->set_oi->oi_oa) - return 0; - -- if (!atomic_read(&set->set_success)) -+ if (!atomic_read_unchecked(&set->set_success)) - return -EIO; - - tmp_oa = kmem_cache_zalloc(obdo_cachep, GFP_NOFS); -@@ -239,7 +239,7 @@ int lov_fini_getattr_set(struct lov_request_set *set) - if (!set) - return 0; - LASSERT(set->set_exp); -- if (atomic_read(&set->set_completes)) -+ if (atomic_read_unchecked(&set->set_completes)) - rc = common_attr_done(set); - - lov_put_reqset(set); -@@ -332,7 +332,7 @@ int lov_fini_setattr_set(struct lov_request_set *set) - if (!set) - return 0; - LASSERT(set->set_exp); -- if (atomic_read(&set->set_completes)) { -+ if (atomic_read_unchecked(&set->set_completes)) { - rc = common_attr_done(set); - /* FIXME update qos data here */ - } -@@ -493,9 +493,9 @@ int lov_fini_statfs_set(struct lov_request_set *set) - if (!set) - return 0; - -- if (atomic_read(&set->set_completes)) { -+ if (atomic_read_unchecked(&set->set_completes)) { - rc = lov_fini_statfs(set->set_obd, set->set_oi->oi_osfs, -- atomic_read(&set->set_success)); -+ atomic_read_unchecked(&set->set_success)); - } - lov_put_reqset(set); - return rc; -@@ -576,7 +576,7 @@ static int cb_statfs_update(void *cookie, int rc) - lov = &lovobd->u.lov; - osfs = set->set_oi->oi_osfs; - lov_sfs = oinfo->oi_osfs; -- success = atomic_read(&set->set_success); -+ success = atomic_read_unchecked(&set->set_success); - /* XXX: the same is done in lov_update_common_set, however - * lovset->set_exp is not initialized. - */ -@@ -604,7 +604,7 @@ static int cb_statfs_update(void *cookie, int rc) - if (set->set_oi->oi_flags & OBD_STATFS_PTLRPCD && - lov_set_finished(set, 0)) { - lov_statfs_interpret(NULL, set, set->set_count != -- atomic_read(&set->set_success)); -+ atomic_read_unchecked(&set->set_success)); - } - - return 0; -diff --git a/drivers/staging/lustre/lustre/mdc/mdc_request.c b/drivers/staging/lustre/lustre/mdc/mdc_request.c -index f56ea64..6a146f4 100644 ---- a/drivers/staging/lustre/lustre/mdc/mdc_request.c -+++ b/drivers/staging/lustre/lustre/mdc/mdc_request.c -@@ -1219,9 +1219,9 @@ struct readpage_param { - * in PAGE_SIZE (if PAGE_SIZE greater than LU_PAGE_SIZE), and the - * lu_dirpage for this integrated page will be adjusted. - **/ --static int mdc_read_page_remote(void *data, struct page *page0) -+static int mdc_read_page_remote(struct file *data, struct page *page0) - { -- struct readpage_param *rp = data; -+ struct readpage_param *rp = (struct readpage_param *)data; - struct page **page_pool; - struct page *page; - struct lu_dirpage *dp; -diff --git a/drivers/staging/lustre/lustre/obdclass/llog_swab.c b/drivers/staging/lustre/lustre/obdclass/llog_swab.c -index 8c4c1b3..630be46 100644 ---- a/drivers/staging/lustre/lustre/obdclass/llog_swab.c -+++ b/drivers/staging/lustre/lustre/obdclass/llog_swab.c -@@ -54,16 +54,20 @@ static void print_llogd_body(struct llogd_body *d) - CDEBUG(D_OTHER, "\tlgd_cur_offset: %#llx\n", d->lgd_cur_offset); - } - --void lustre_swab_lu_fid(struct lu_fid *fid) -+void lustre_swab_lu_fid(void *_fid) - { -+ struct lu_fid *fid = _fid; -+ - __swab64s(&fid->f_seq); - __swab32s(&fid->f_oid); - __swab32s(&fid->f_ver); - } - EXPORT_SYMBOL(lustre_swab_lu_fid); - --void lustre_swab_ost_id(struct ost_id *oid) -+void lustre_swab_ost_id(void *_oid) - { -+ struct ost_id *oid = _oid; -+ - if (fid_seq_is_mdt0(oid->oi.oi_seq)) { - __swab64s(&oid->oi.oi_id); - __swab64s(&oid->oi.oi_seq); -@@ -80,8 +84,10 @@ static void lustre_swab_llog_id(struct llog_logid *log_id) - __swab32s(&log_id->lgl_ogen); - } - --void lustre_swab_llogd_body(struct llogd_body *d) -+void lustre_swab_llogd_body(void *_d) - { -+ struct llogd_body *d = _d; -+ - print_llogd_body(d); - lustre_swab_llog_id(&d->lgd_logid); - __swab32s(&d->lgd_ctxt_idx); -@@ -94,8 +100,10 @@ void lustre_swab_llogd_body(struct llogd_body *d) - } - EXPORT_SYMBOL(lustre_swab_llogd_body); - --void lustre_swab_llogd_conn_body(struct llogd_conn_body *d) -+void lustre_swab_llogd_conn_body(void *_d) - { -+ struct llogd_conn_body *d = _d; -+ - __swab64s(&d->lgdc_gen.mnt_cnt); - __swab64s(&d->lgdc_gen.conn_cnt); - lustre_swab_llog_id(&d->lgdc_logid); -@@ -110,8 +118,10 @@ static void lustre_swab_ll_fid(struct ll_fid *fid) - __swab32s(&fid->f_type); - } - --void lustre_swab_lu_seq_range(struct lu_seq_range *range) -+void lustre_swab_lu_seq_range(void *_range) - { -+ struct lu_seq_range *range = _range; -+ - __swab64s(&range->lsr_start); - __swab64s(&range->lsr_end); - __swab32s(&range->lsr_index); -@@ -294,8 +304,10 @@ static void print_llog_hdr(struct llog_log_hdr *h) - CDEBUG(D_OTHER, "\tllh_tail.lrt_len: %#x\n", h->llh_tail.lrt_len); - } - --void lustre_swab_llog_hdr(struct llog_log_hdr *h) -+void lustre_swab_llog_hdr(void *_h) - { -+ struct llog_log_hdr *h = _h; -+ - print_llog_hdr(h); - - lustre_swab_llog_rec(&h->llh_hdr); -diff --git a/drivers/staging/lustre/lustre/osc/osc_request.c b/drivers/staging/lustre/lustre/osc/osc_request.c -index 749781f..29b7705 100644 ---- a/drivers/staging/lustre/lustre/osc/osc_request.c -+++ b/drivers/staging/lustre/lustre/osc/osc_request.c -@@ -179,8 +179,9 @@ static inline void osc_pack_req_body(struct ptlrpc_request *req, - - static int osc_getattr_interpret(const struct lu_env *env, - struct ptlrpc_request *req, -- struct osc_async_args *aa, int rc) -+ void *_aa, int rc) - { -+ struct osc_async_args *aa = _aa; - struct ost_body *body; - - if (rc != 0) -@@ -225,7 +226,7 @@ static int osc_getattr_async(struct obd_export *exp, struct obd_info *oinfo, - osc_pack_req_body(req, oinfo); - - ptlrpc_request_set_replen(req); -- req->rq_interpret_reply = (ptlrpc_interpterer_t)osc_getattr_interpret; -+ req->rq_interpret_reply = osc_getattr_interpret; - - CLASSERT(sizeof(*aa) <= sizeof(req->rq_async_args)); - aa = ptlrpc_req_async_args(req); -@@ -321,8 +322,9 @@ static int osc_setattr(const struct lu_env *env, struct obd_export *exp, - - static int osc_setattr_interpret(const struct lu_env *env, - struct ptlrpc_request *req, -- struct osc_setattr_args *sa, int rc) -+ void *_sa, int rc) - { -+ struct osc_setattr_args *sa = _sa; - struct ost_body *body; - - if (rc != 0) -@@ -372,8 +374,7 @@ int osc_setattr_async_base(struct obd_export *exp, struct obd_info *oinfo, - /* Do not wait for response. */ - ptlrpcd_add_req(req); - } else { -- req->rq_interpret_reply = -- (ptlrpc_interpterer_t)osc_setattr_interpret; -+ req->rq_interpret_reply = osc_setattr_interpret; - - CLASSERT(sizeof(*sa) <= sizeof(req->rq_async_args)); - sa = ptlrpc_req_async_args(req); -@@ -495,7 +496,7 @@ int osc_punch_base(struct obd_export *exp, struct obd_info *oinfo, - - ptlrpc_request_set_replen(req); - -- req->rq_interpret_reply = (ptlrpc_interpterer_t)osc_setattr_interpret; -+ req->rq_interpret_reply = osc_setattr_interpret; - CLASSERT(sizeof(*sa) <= sizeof(req->rq_async_args)); - sa = ptlrpc_req_async_args(req); - sa->sa_oa = oinfo->oi_oa; -@@ -2091,8 +2092,9 @@ static int osc_enqueue_fini(struct ptlrpc_request *req, - - static int osc_enqueue_interpret(const struct lu_env *env, - struct ptlrpc_request *req, -- struct osc_enqueue_args *aa, int rc) -+ void *_aa, int rc) - { -+ struct osc_enqueue_args *aa = _aa; - struct ldlm_lock *lock; - struct lustre_handle *lockh = &aa->oa_lockh; - enum ldlm_mode mode = aa->oa_mode; -@@ -2283,8 +2285,7 @@ int osc_enqueue_base(struct obd_export *exp, struct ldlm_res_id *res_id, - aa->oa_flags = NULL; - } - -- req->rq_interpret_reply = -- (ptlrpc_interpterer_t)osc_enqueue_interpret; -+ req->rq_interpret_reply = osc_enqueue_interpret; - if (rqset == PTLRPCD_SET) - ptlrpcd_add_req(req); - else -@@ -2360,8 +2361,9 @@ int osc_cancel_base(struct lustre_handle *lockh, __u32 mode) - - static int osc_statfs_interpret(const struct lu_env *env, - struct ptlrpc_request *req, -- struct osc_async_args *aa, int rc) -+ void *_aa, int rc) - { -+ struct osc_async_args *aa = _aa; - struct obd_statfs *msfs; - - if (rc == -EBADR) -@@ -2429,7 +2431,7 @@ static int osc_statfs_async(struct obd_export *exp, - req->rq_no_delay = 1; - } - -- req->rq_interpret_reply = (ptlrpc_interpterer_t)osc_statfs_interpret; -+ req->rq_interpret_reply = osc_statfs_interpret; - CLASSERT(sizeof(*aa) <= sizeof(req->rq_async_args)); - aa = ptlrpc_req_async_args(req); - aa->aa_oi = oinfo; -diff --git a/drivers/staging/lustre/lustre/ptlrpc/layout.c b/drivers/staging/lustre/lustre/ptlrpc/layout.c -index 839ef3e..8912e22 100644 ---- a/drivers/staging/lustre/lustre/ptlrpc/layout.c -+++ b/drivers/staging/lustre/lustre/ptlrpc/layout.c -@@ -778,8 +778,8 @@ struct req_capsule; - .rmf_name = (name), \ - .rmf_flags = (flags), \ - .rmf_size = (size), \ -- .rmf_swabber = (void (*)(void *))(swabber), \ -- .rmf_dumper = (void (*)(void *))(dumper) \ -+ .rmf_swabber = (swabber), \ -+ .rmf_dumper = (dumper) \ - } - - struct req_msg_field RMF_GENERIC_DATA = -@@ -1871,8 +1871,7 @@ static void *__req_capsule_get(struct req_capsule *pill, - msg = __req_msg(pill, loc); - LASSERT(msg); - -- getter = (field->rmf_flags & RMF_F_STRING) ? -- (typeof(getter))lustre_msg_string : lustre_msg_buf; -+ getter = (field->rmf_flags & RMF_F_STRING) ? lustre_msg_string : lustre_msg_buf; - - if (field->rmf_flags & RMF_F_STRUCT_ARRAY) { - /* -diff --git a/drivers/staging/lustre/lustre/ptlrpc/pack_generic.c b/drivers/staging/lustre/lustre/ptlrpc/pack_generic.c -index 8717685..8f066ed 100644 ---- a/drivers/staging/lustre/lustre/ptlrpc/pack_generic.c -+++ b/drivers/staging/lustre/lustre/ptlrpc/pack_generic.c -@@ -676,7 +676,7 @@ u32 lustre_msg_bufcount(struct lustre_msg *m) - } - } - --char *lustre_msg_string(struct lustre_msg *m, u32 index, u32 max_len) -+void *lustre_msg_string(struct lustre_msg *m, u32 index, u32 max_len) - { - /* max_len == 0 means the string should fill the buffer */ - char *str; -@@ -1435,8 +1435,10 @@ EXPORT_SYMBOL(do_set_info_async); - /* byte flipping routines for all wire types declared in - * lustre_idl.h implemented here. - */ --void lustre_swab_ptlrpc_body(struct ptlrpc_body *b) -+void lustre_swab_ptlrpc_body(void *_b) - { -+ struct ptlrpc_body *b = _b; -+ - __swab32s(&b->pb_type); - __swab32s(&b->pb_version); - __swab32s(&b->pb_opc); -@@ -1466,8 +1468,10 @@ void lustre_swab_ptlrpc_body(struct ptlrpc_body *b) - CLASSERT(offsetof(typeof(*b), pb_jobid) != 0); - } - --void lustre_swab_connect(struct obd_connect_data *ocd) -+void lustre_swab_connect(void *_ocd) - { -+ struct obd_connect_data *ocd = _ocd; -+ - __swab64s(&ocd->ocd_connect_flags); - __swab32s(&ocd->ocd_version); - __swab32s(&ocd->ocd_grant); -@@ -1541,8 +1545,10 @@ static void lustre_swab_obdo(struct obdo *o) - CLASSERT(offsetof(typeof(*o), o_padding_6) != 0); - } - --void lustre_swab_obd_statfs(struct obd_statfs *os) -+void lustre_swab_obd_statfs(void *_os) - { -+ struct obd_statfs *os = _os; -+ - __swab64s(&os->os_type); - __swab64s(&os->os_blocks); - __swab64s(&os->os_bfree); -@@ -1565,37 +1571,49 @@ void lustre_swab_obd_statfs(struct obd_statfs *os) - CLASSERT(offsetof(typeof(*os), os_spare9) != 0); - } - --void lustre_swab_obd_ioobj(struct obd_ioobj *ioo) -+void lustre_swab_obd_ioobj(void *_ioo) - { -+ struct obd_ioobj *ioo = _ioo; -+ - lustre_swab_ost_id(&ioo->ioo_oid); - __swab32s(&ioo->ioo_max_brw); - __swab32s(&ioo->ioo_bufcnt); - } - --void lustre_swab_niobuf_remote(struct niobuf_remote *nbr) -+void lustre_swab_niobuf_remote(void *_nbr) - { -+ struct niobuf_remote *nbr = _nbr; -+ - __swab64s(&nbr->rnb_offset); - __swab32s(&nbr->rnb_len); - __swab32s(&nbr->rnb_flags); - } - --void lustre_swab_ost_body(struct ost_body *b) -+void lustre_swab_ost_body(void *_b) - { -+ struct ost_body *b = _b; -+ - lustre_swab_obdo(&b->oa); - } - --void lustre_swab_ost_last_id(u64 *id) -+void lustre_swab_ost_last_id(void *_id) - { -+ u64 *id = _id; -+ - __swab64s(id); - } - --void lustre_swab_generic_32s(__u32 *val) -+void lustre_swab_generic_32s(void *_val) - { -+ __u32 *val = _val; -+ - __swab32s(val); - } - --void lustre_swab_gl_desc(union ldlm_gl_desc *desc) -+void lustre_swab_gl_desc(void *_desc) - { -+ union ldlm_gl_desc *desc = _desc; -+ - lustre_swab_lu_fid(&desc->lquota_desc.gl_id.qid_fid); - __swab64s(&desc->lquota_desc.gl_flags); - __swab64s(&desc->lquota_desc.gl_ver); -@@ -1639,8 +1657,10 @@ void lustre_swab_lquota_lvb(struct lquota_lvb *lvb) - } - EXPORT_SYMBOL(lustre_swab_lquota_lvb); - --void lustre_swab_mdt_body(struct mdt_body *b) -+void lustre_swab_mdt_body(void *_b) - { -+ struct mdt_body *b = _b; -+ - lustre_swab_lu_fid(&b->mbo_fid1); - lustre_swab_lu_fid(&b->mbo_fid2); - /* handle is opaque */ -@@ -1672,16 +1692,19 @@ void lustre_swab_mdt_body(struct mdt_body *b) - CLASSERT(offsetof(typeof(*b), mbo_padding_5) != 0); - } - --void lustre_swab_mdt_ioepoch(struct mdt_ioepoch *b) -+void lustre_swab_mdt_ioepoch(void *_b) - { -+ struct mdt_ioepoch *b = _b; -+ - /* handle is opaque */ - __swab64s(&b->ioepoch); - __swab32s(&b->flags); - CLASSERT(offsetof(typeof(*b), padding) != 0); - } - --void lustre_swab_mgs_target_info(struct mgs_target_info *mti) -+void lustre_swab_mgs_target_info(void *_mti) - { -+ struct mgs_target_info *mti = _mti; - int i; - - __swab32s(&mti->mti_lustre_ver); -@@ -1718,15 +1741,19 @@ void lustre_swab_mgs_nidtbl_entry(struct mgs_nidtbl_entry *entry) - } - EXPORT_SYMBOL(lustre_swab_mgs_nidtbl_entry); - --void lustre_swab_mgs_config_body(struct mgs_config_body *body) -+void lustre_swab_mgs_config_body(void *_body) - { -+ struct mgs_config_body *body = _body; -+ - __swab64s(&body->mcb_offset); - __swab32s(&body->mcb_units); - __swab16s(&body->mcb_type); - } - --void lustre_swab_mgs_config_res(struct mgs_config_res *body) -+void lustre_swab_mgs_config_res(void *_body) - { -+ struct mgs_config_res *body = _body; -+ - __swab64s(&body->mcr_offset); - __swab64s(&body->mcr_size); - } -@@ -1753,8 +1780,10 @@ static void lustre_swab_obd_dqblk(struct obd_dqblk *b) - CLASSERT(offsetof(typeof(*b), dqb_padding) != 0); - } - --void lustre_swab_obd_quotactl(struct obd_quotactl *q) -+void lustre_swab_obd_quotactl(void *_q) - { -+ struct obd_quotactl *q = _q; -+ - __swab32s(&q->qc_cmd); - __swab32s(&q->qc_type); - __swab32s(&q->qc_id); -@@ -1781,8 +1810,9 @@ static void lustre_swab_fiemap_extent(struct ll_fiemap_extent *fm_extent) - __swab32s(&fm_extent->fe_device); - } - --void lustre_swab_fiemap(struct ll_user_fiemap *fiemap) -+void lustre_swab_fiemap(void *_fiemap) - { -+ struct ll_user_fiemap *fiemap = _fiemap; - __u32 i; - - __swab64s(&fiemap->fm_start); -@@ -1796,8 +1826,10 @@ void lustre_swab_fiemap(struct ll_user_fiemap *fiemap) - lustre_swab_fiemap_extent(&fiemap->fm_extents[i]); - } - --void lustre_swab_mdt_rec_reint (struct mdt_rec_reint *rr) -+void lustre_swab_mdt_rec_reint (void *_rr) - { -+ struct mdt_rec_reint *rr = _rr; -+ - __swab32s(&rr->rr_opcode); - __swab32s(&rr->rr_cap); - __swab32s(&rr->rr_fsuid); -@@ -1951,8 +1983,10 @@ static void lustre_swab_ldlm_policy_data(ldlm_wire_policy_data_t *d) - __swab32s(&d->l_flock.lfw_pid); - } - --void lustre_swab_ldlm_intent(struct ldlm_intent *i) -+void lustre_swab_ldlm_intent(void *_i) - { -+ struct ldlm_intent *i = _i; -+ - __swab64s(&i->opc); - } - -@@ -1971,16 +2005,20 @@ static void lustre_swab_ldlm_lock_desc(struct ldlm_lock_desc *l) - lustre_swab_ldlm_policy_data(&l->l_policy_data); - } - --void lustre_swab_ldlm_request(struct ldlm_request *rq) -+void lustre_swab_ldlm_request(void *_rq) - { -+ struct ldlm_request *rq = _rq; -+ - __swab32s(&rq->lock_flags); - lustre_swab_ldlm_lock_desc(&rq->lock_desc); - __swab32s(&rq->lock_count); - /* lock_handle[] opaque */ - } - --void lustre_swab_ldlm_reply(struct ldlm_reply *r) -+void lustre_swab_ldlm_reply(void *_r) - { -+ struct ldlm_reply *r = _r; -+ - __swab32s(&r->lock_flags); - CLASSERT(offsetof(typeof(*r), lock_padding) != 0); - lustre_swab_ldlm_lock_desc(&r->lock_desc); -@@ -1990,16 +2028,20 @@ void lustre_swab_ldlm_reply(struct ldlm_reply *r) - } - - /* Dump functions */ --void dump_ioo(struct obd_ioobj *ioo) -+void dump_ioo(void *_ioo) - { -+ struct obd_ioobj *ioo = _ioo; -+ - CDEBUG(D_RPCTRACE, - "obd_ioobj: ioo_oid=" DOSTID ", ioo_max_brw=%#x, ioo_bufct=%d\n", - POSTID(&ioo->ioo_oid), ioo->ioo_max_brw, - ioo->ioo_bufcnt); - } - --void dump_rniobuf(struct niobuf_remote *nb) -+void dump_rniobuf(void *_nb) - { -+ struct niobuf_remote *nb = _nb; -+ - CDEBUG(D_RPCTRACE, "niobuf_remote: offset=%llu, len=%d, flags=%x\n", - nb->rnb_offset, nb->rnb_len, nb->rnb_flags); - } -@@ -2066,13 +2108,17 @@ static void dump_obdo(struct obdo *oa) - CDEBUG(D_RPCTRACE, "obdo: o_lcookie = (llog_cookie dumping not yet implemented)\n"); - } - --void dump_ost_body(struct ost_body *ob) -+void dump_ost_body(void *_ob) - { -+ struct ost_body *ob = _ob; -+ - dump_obdo(&ob->oa); - } - --void dump_rcs(__u32 *rc) -+void dump_rcs(void *_rc) - { -+ __u32 *rc = _rc; -+ - CDEBUG(D_RPCTRACE, "rmf_rcs: %d\n", *rc); - } - -@@ -2148,8 +2194,10 @@ void _debug_req(struct ptlrpc_request *req, - } - EXPORT_SYMBOL(_debug_req); - --void lustre_swab_lustre_capa(struct lustre_capa *c) -+void lustre_swab_lustre_capa(void *_c) - { -+ struct lustre_capa *c = _c; -+ - lustre_swab_lu_fid(&c->lc_fid); - __swab64s(&c->lc_opc); - __swab64s(&c->lc_uid); -@@ -2160,14 +2208,18 @@ void lustre_swab_lustre_capa(struct lustre_capa *c) - __swab32s(&c->lc_expiry); - } - --void lustre_swab_hsm_user_state(struct hsm_user_state *state) -+void lustre_swab_hsm_user_state(void *_state) - { -+ struct hsm_user_state *state = _state; -+ - __swab32s(&state->hus_states); - __swab32s(&state->hus_archive_id); - } - --void lustre_swab_hsm_state_set(struct hsm_state_set *hss) -+void lustre_swab_hsm_state_set(void *_hss) - { -+ struct hsm_state_set *hss = _hss; -+ - __swab32s(&hss->hss_valid); - __swab64s(&hss->hss_setmask); - __swab64s(&hss->hss_clearmask); -@@ -2181,29 +2233,37 @@ static void lustre_swab_hsm_extent(struct hsm_extent *extent) - __swab64s(&extent->length); - } - --void lustre_swab_hsm_current_action(struct hsm_current_action *action) -+void lustre_swab_hsm_current_action(void *_action) - { -+ struct hsm_current_action *action = _action; -+ - __swab32s(&action->hca_state); - __swab32s(&action->hca_action); - lustre_swab_hsm_extent(&action->hca_location); - } - --void lustre_swab_hsm_user_item(struct hsm_user_item *hui) -+void lustre_swab_hsm_user_item(void *_hui) - { -+ struct hsm_user_item *hui = _hui; -+ - lustre_swab_lu_fid(&hui->hui_fid); - lustre_swab_hsm_extent(&hui->hui_extent); - } - --void lustre_swab_layout_intent(struct layout_intent *li) -+void lustre_swab_layout_intent(void *_li) - { -+ struct layout_intent *li = _li; -+ - __swab32s(&li->li_opc); - __swab32s(&li->li_flags); - __swab64s(&li->li_start); - __swab64s(&li->li_end); - } - --void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk) -+void lustre_swab_hsm_progress_kernel(void *_hpk) - { -+ struct hsm_progress_kernel *hpk = _hpk; -+ - lustre_swab_lu_fid(&hpk->hpk_fid); - __swab64s(&hpk->hpk_cookie); - __swab64s(&hpk->hpk_extent.offset); -@@ -2212,8 +2272,10 @@ void lustre_swab_hsm_progress_kernel(struct hsm_progress_kernel *hpk) - __swab16s(&hpk->hpk_errval); - } - --void lustre_swab_hsm_request(struct hsm_request *hr) -+void lustre_swab_hsm_request(void *_hr) - { -+ struct hsm_request *hr = _hr; -+ - __swab32s(&hr->hr_action); - __swab32s(&hr->hr_archive_id); - __swab64s(&hr->hr_flags); -@@ -2221,14 +2283,18 @@ void lustre_swab_hsm_request(struct hsm_request *hr) - __swab32s(&hr->hr_data_len); - } - --void lustre_swab_swap_layouts(struct mdc_swap_layouts *msl) -+void lustre_swab_swap_layouts(void *_msl) - { -+ struct mdc_swap_layouts *msl = _msl; -+ - __swab64s(&msl->msl_flags); - } - EXPORT_SYMBOL(lustre_swab_swap_layouts); - --void lustre_swab_close_data(struct close_data *cd) -+void lustre_swab_close_data(void *_cd) - { -+ struct close_data *cd = _cd; -+ - lustre_swab_lu_fid(&cd->cd_fid); - __swab64s(&cd->cd_data_version); - } -diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c -index fb13df5..20345631 100644 ---- a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c -+++ b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c -@@ -3923,7 +3923,7 @@ static void init_mlme_ext_priv_value(struct adapter *padapter) - _12M_RATE_, _24M_RATE_, 0xff, - }; - -- atomic_set(&pmlmeext->event_seq, 0); -+ atomic_set_unchecked(&pmlmeext->event_seq, 0); - pmlmeext->mgnt_seq = 0;/* reset to zero when disconnect at client mode */ - - pmlmeext->cur_channel = padapter->registrypriv.channel; -@@ -4116,7 +4116,7 @@ void free_mlme_ext_priv(struct mlme_ext_priv *pmlmeext) - - static void _mgt_dispatcher(struct adapter *padapter, struct mlme_handler *ptable, struct recv_frame *precv_frame) - { -- u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; -+ static const u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - u8 *pframe = precv_frame->rx_data; - - if (ptable->func) { -@@ -4135,7 +4135,7 @@ void mgt_dispatcher(struct adapter *padapter, struct recv_frame *precv_frame) - #ifdef CONFIG_88EU_AP_MODE - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - #endif /* CONFIG_88EU_AP_MODE */ -- u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; -+ static const u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - u8 *pframe = precv_frame->rx_data; - struct sta_info *psta = rtw_get_stainfo(&padapter->stapriv, GetAddr2Ptr(pframe)); - -@@ -4160,7 +4160,7 @@ void mgt_dispatcher(struct adapter *padapter, struct recv_frame *precv_frame) - - index = GetFrameSubType(pframe) >> 4; - -- if (index > 13) { -+ if (index > ARRAY_SIZE(mlme_sta_tbl)) { - RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Currently we do not support reserved sub-fr-type=%d\n", index)); - return; - } -@@ -4250,7 +4250,7 @@ void report_survey_event(struct adapter *padapter, - pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd); - pc2h_evt_hdr->len = sizeof(struct survey_event); - pc2h_evt_hdr->ID = _Survey_EVT_; -- pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq); -+ pc2h_evt_hdr->seq = atomic_inc_return_unchecked(&pmlmeext->event_seq); - - psurvey_evt = (struct survey_event *)(pevtcmd + sizeof(struct C2HEvent_Header)); - -@@ -4300,7 +4300,7 @@ void report_surveydone_event(struct adapter *padapter) - pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd); - pc2h_evt_hdr->len = sizeof(struct surveydone_event); - pc2h_evt_hdr->ID = _SurveyDone_EVT_; -- pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq); -+ pc2h_evt_hdr->seq = atomic_inc_return_unchecked(&pmlmeext->event_seq); - - psurveydone_evt = (struct surveydone_event *)(pevtcmd + sizeof(struct C2HEvent_Header)); - psurveydone_evt->bss_cnt = pmlmeext->sitesurvey_res.bss_cnt; -@@ -4344,7 +4344,7 @@ void report_join_res(struct adapter *padapter, int res) - pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd); - pc2h_evt_hdr->len = sizeof(struct joinbss_event); - pc2h_evt_hdr->ID = _JoinBss_EVT_; -- pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq); -+ pc2h_evt_hdr->seq = atomic_inc_return_unchecked(&pmlmeext->event_seq); - - pjoinbss_evt = (struct joinbss_event *)(pevtcmd + sizeof(struct C2HEvent_Header)); - memcpy((unsigned char *)(&(pjoinbss_evt->network.network)), &(pmlmeinfo->network), sizeof(struct wlan_bssid_ex)); -@@ -4395,7 +4395,7 @@ void report_del_sta_event(struct adapter *padapter, unsigned char *MacAddr, unsi - pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd); - pc2h_evt_hdr->len = sizeof(struct stadel_event); - pc2h_evt_hdr->ID = _DelSTA_EVT_; -- pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq); -+ pc2h_evt_hdr->seq = atomic_inc_return_unchecked(&pmlmeext->event_seq); - - pdel_sta_evt = (struct stadel_event *)(pevtcmd + sizeof(struct C2HEvent_Header)); - ether_addr_copy((unsigned char *)(&(pdel_sta_evt->macaddr)), MacAddr); -@@ -4448,7 +4448,7 @@ void report_add_sta_event(struct adapter *padapter, unsigned char *MacAddr, int - pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd); - pc2h_evt_hdr->len = sizeof(struct stassoc_event); - pc2h_evt_hdr->ID = _AddSTA_EVT_; -- pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq); -+ pc2h_evt_hdr->seq = atomic_inc_return_unchecked(&pmlmeext->event_seq); - - padd_sta_evt = (struct stassoc_event *)(pevtcmd + sizeof(struct C2HEvent_Header)); - ether_addr_copy((unsigned char *)(&(padd_sta_evt->macaddr)), MacAddr); -diff --git a/drivers/staging/rtl8188eu/hal/rtl8188eu_recv.c b/drivers/staging/rtl8188eu/hal/rtl8188eu_recv.c -index d0495a1..bac1045 100644 ---- a/drivers/staging/rtl8188eu/hal/rtl8188eu_recv.c -+++ b/drivers/staging/rtl8188eu/hal/rtl8188eu_recv.c -@@ -31,7 +31,7 @@ int rtw_hal_init_recv_priv(struct adapter *padapter) - struct recv_buf *precvbuf; - - tasklet_init(&precvpriv->recv_tasklet, -- (void(*)(unsigned long))rtl8188eu_recv_tasklet, -+ rtl8188eu_recv_tasklet, - (unsigned long)padapter); - - /* init recv_buf */ -diff --git a/drivers/staging/rtl8188eu/hal/rtl8188eu_xmit.c b/drivers/staging/rtl8188eu/hal/rtl8188eu_xmit.c -index 85650b2..d4511d1 100644 ---- a/drivers/staging/rtl8188eu/hal/rtl8188eu_xmit.c -+++ b/drivers/staging/rtl8188eu/hal/rtl8188eu_xmit.c -@@ -26,7 +26,7 @@ s32 rtw_hal_init_xmit_priv(struct adapter *adapt) - struct xmit_priv *pxmitpriv = &adapt->xmitpriv; - - tasklet_init(&pxmitpriv->xmit_tasklet, -- (void(*)(unsigned long))rtl8188eu_xmit_tasklet, -+ rtl8188eu_xmit_tasklet, - (unsigned long)adapt); - return _SUCCESS; - } -diff --git a/drivers/staging/rtl8188eu/include/Hal8188EPhyCfg.h b/drivers/staging/rtl8188eu/include/Hal8188EPhyCfg.h -index 0976a76..b155d7f 100644 ---- a/drivers/staging/rtl8188eu/include/Hal8188EPhyCfg.h -+++ b/drivers/staging/rtl8188eu/include/Hal8188EPhyCfg.h -@@ -182,17 +182,9 @@ void PHY_GetTxPowerLevel8188E(struct adapter *adapter, u32 *powerlevel); - - void PHY_ScanOperationBackup8188E(struct adapter *Adapter, u8 Operation); - --/* Call after initialization */ --void ChkFwCmdIoDone(struct adapter *adapter); -- - /* BB/MAC/RF other monitor API */ - void PHY_SetRFPathSwitch_8188E(struct adapter *adapter, bool main); - --void PHY_SwitchEphyParameter(struct adapter *adapter); -- --void PHY_EnableHostClkReq(struct adapter *adapter); -- --bool SetAntennaConfig92C(struct adapter *adapter, u8 defaultant); - - /*--------------------------Exported Function prototype---------------------*/ - -diff --git a/drivers/staging/rtl8188eu/include/hal_intf.h b/drivers/staging/rtl8188eu/include/hal_intf.h -index fa032b0..e4adaa6 100644 ---- a/drivers/staging/rtl8188eu/include/hal_intf.h -+++ b/drivers/staging/rtl8188eu/include/hal_intf.h -@@ -173,7 +173,6 @@ void rtw_hal_sw_led_deinit(struct adapter *padapter); - u32 rtw_hal_power_on(struct adapter *padapter); - uint rtw_hal_init(struct adapter *padapter); - uint rtw_hal_deinit(struct adapter *padapter); --void rtw_hal_stop(struct adapter *padapter); - void rtw_hal_set_hwreg(struct adapter *padapter, u8 variable, u8 *val); - void rtw_hal_get_hwreg(struct adapter *padapter, u8 variable, u8 *val); - -@@ -202,8 +201,6 @@ void rtw_hal_free_recv_priv(struct adapter *padapter); - - void rtw_hal_update_ra_mask(struct adapter *padapter, u32 mac_id, u8 level); - void rtw_hal_add_ra_tid(struct adapter *adapt, u32 bitmap, u8 arg, u8 level); --void rtw_hal_clone_data(struct adapter *dst_adapt, -- struct adapter *src_adapt); - - void rtw_hal_bcn_related_reg_setting(struct adapter *padapter); - -diff --git a/drivers/staging/rtl8188eu/include/odm_precomp.h b/drivers/staging/rtl8188eu/include/odm_precomp.h -index 9e5fe17..bdb77bb 100644 ---- a/drivers/staging/rtl8188eu/include/odm_precomp.h -+++ b/drivers/staging/rtl8188eu/include/odm_precomp.h -@@ -70,7 +70,7 @@ void odm_RSSIMonitorCheckCE(struct odm_dm_struct *pDM_Odm); - void odm_TXPowerTrackingThermalMeterInit(struct odm_dm_struct *pDM_Odm); - void odm_EdcaTurboCheckCE(struct odm_dm_struct *pDM_Odm); - void odm_TXPowerTrackingCheckCE(struct odm_dm_struct *pDM_Odm); --void odm_SwAntDivChkAntSwitchCallback(void *FunctionContext); -+void odm_SwAntDivChkAntSwitchCallback(unsigned long FunctionContext); - void odm_InitHybridAntDiv(struct odm_dm_struct *pDM_Odm); - void odm_HwAntDiv(struct odm_dm_struct *pDM_Odm); - -diff --git a/drivers/staging/rtl8188eu/include/rtl8188e_recv.h b/drivers/staging/rtl8188eu/include/rtl8188e_recv.h -index 80832a5..6468b0c 100644 ---- a/drivers/staging/rtl8188eu/include/rtl8188e_recv.h -+++ b/drivers/staging/rtl8188eu/include/rtl8188e_recv.h -@@ -52,7 +52,7 @@ enum rx_packet_type { - - #define INTERRUPT_MSG_FORMAT_LEN 60 - void rtl8188eu_recv_hdl(struct adapter *padapter, struct recv_buf *precvbuf); --void rtl8188eu_recv_tasklet(void *priv); -+void rtl8188eu_recv_tasklet(unsigned long _priv); - void rtl8188e_query_rx_phy_status(struct recv_frame *fr, struct phy_stat *phy); - void rtl8188e_process_phy_info(struct adapter *padapter, - struct recv_frame *prframe); -diff --git a/drivers/staging/rtl8188eu/include/rtl8188e_xmit.h b/drivers/staging/rtl8188eu/include/rtl8188e_xmit.h -index 66205b7..c8f7fa0 100644 ---- a/drivers/staging/rtl8188eu/include/rtl8188e_xmit.h -+++ b/drivers/staging/rtl8188eu/include/rtl8188e_xmit.h -@@ -156,7 +156,7 @@ void rtl8188e_fill_fake_txdesc(struct adapter *padapter, u8 *pDesc, - s32 rtl8188eu_init_xmit_priv(struct adapter *padapter); - s32 rtl8188eu_xmit_buf_handler(struct adapter *padapter); - #define hal_xmit_handler rtl8188eu_xmit_buf_handler --void rtl8188eu_xmit_tasklet(void *priv); -+void rtl8188eu_xmit_tasklet(unsigned long _priv); - s32 rtl8188eu_xmitframe_complete(struct adapter *padapter, - struct xmit_priv *pxmitpriv); - -diff --git a/drivers/staging/rtl8188eu/include/rtw_cmd.h b/drivers/staging/rtl8188eu/include/rtw_cmd.h -index 18a6530..545d2c2 100644 ---- a/drivers/staging/rtl8188eu/include/rtw_cmd.h -+++ b/drivers/staging/rtl8188eu/include/rtw_cmd.h -@@ -338,7 +338,6 @@ void rtw_readtssi_cmdrsp_callback(struct adapter *adapt, struct cmd_obj *cmd); - - void rtw_setstaKey_cmdrsp_callback(struct adapter *adapt, struct cmd_obj *cmd); - void rtw_setassocsta_cmdrsp_callback(struct adapter *adapt, struct cmd_obj *cm); --void rtw_getrttbl_cmdrsp_callback(struct adapter *adapt, struct cmd_obj *cmd); - - struct _cmd_callback { - u32 cmd_code; -diff --git a/drivers/staging/rtl8188eu/include/rtw_eeprom.h b/drivers/staging/rtl8188eu/include/rtw_eeprom.h -index 5dd7384..337cc49 100644 ---- a/drivers/staging/rtl8188eu/include/rtw_eeprom.h -+++ b/drivers/staging/rtl8188eu/include/rtw_eeprom.h -@@ -116,10 +116,4 @@ struct eeprom_priv { - u8 efuse_eeprom_data[HWSET_MAX_SIZE_512]; - }; - --void eeprom_write16(struct adapter *padapter, u16 reg, u16 data); --u16 eeprom_read16(struct adapter *padapter, u16 reg); --void read_eeprom_content(struct adapter *padapter); --void eeprom_read_sz(struct adapter *adapt, u16 reg, u8 *data, u32 sz); --void read_eeprom_content_by_attrib(struct adapter *padapter); -- - #endif /* __RTL871X_EEPROM_H__ */ -diff --git a/drivers/staging/rtl8188eu/include/rtw_ioctl.h b/drivers/staging/rtl8188eu/include/rtw_ioctl.h -index a6b1c85..3402297 100644 ---- a/drivers/staging/rtl8188eu/include/rtw_ioctl.h -+++ b/drivers/staging/rtl8188eu/include/rtw_ioctl.h -@@ -88,13 +88,4 @@ static int oid_null_function(struct oid_par_priv *poid_par_priv) { - - extern struct iw_handler_def rtw_handlers_def; - --int drv_query_info(struct net_device *miniportadaptercontext, NDIS_OID oid, -- void *informationbuffer, u32 informationbufferlength, -- u32 *byteswritten, u32 *bytesneeded); -- --int drv_set_info(struct net_device *MiniportAdapterContext, -- NDIS_OID oid, void *informationbuffer, -- u32 informationbufferlength, u32 *bytesread, -- u32 *bytesneeded); -- - #endif /* #ifndef __INC_CEINFO_ */ -diff --git a/drivers/staging/rtl8188eu/include/rtw_mlme_ext.h b/drivers/staging/rtl8188eu/include/rtw_mlme_ext.h -index 1b1caaf..fc38094 100644 ---- a/drivers/staging/rtl8188eu/include/rtw_mlme_ext.h -+++ b/drivers/staging/rtl8188eu/include/rtw_mlme_ext.h -@@ -404,7 +404,7 @@ struct p2p_oper_class_map { - struct mlme_ext_priv { - struct adapter *padapter; - u8 mlmeext_init; -- atomic_t event_seq; -+ atomic_unchecked_t event_seq; - u16 mgnt_seq; - - unsigned char cur_channel; -@@ -550,8 +550,6 @@ void report_add_sta_event(struct adapter *padapter, unsigned char *addr, - - void beacon_timing_control(struct adapter *padapter); - u8 set_tx_beacon_cmd(struct adapter *padapter); --unsigned int setup_beacon_frame(struct adapter *padapter, -- unsigned char *beacon_frame); - void update_mgnt_tx_rate(struct adapter *padapter, u8 rate); - void update_mgntframe_attrib(struct adapter *padapter, - struct pkt_attrib *pattrib); -@@ -597,12 +595,6 @@ struct cmd_hdl { - u8 (*h2cfuns)(struct adapter *padapter, u8 *pbuf); - }; - --u8 read_macreg_hdl(struct adapter *padapter, u8 *pbuf); --u8 write_macreg_hdl(struct adapter *padapter, u8 *pbuf); --u8 read_bbreg_hdl(struct adapter *padapter, u8 *pbuf); --u8 write_bbreg_hdl(struct adapter *padapter, u8 *pbuf); --u8 read_rfreg_hdl(struct adapter *padapter, u8 *pbuf); --u8 write_rfreg_hdl(struct adapter *padapter, u8 *pbuf); - u8 join_cmd_hdl(struct adapter *padapter, u8 *pbuf); - u8 disconnect_hdl(struct adapter *padapter, u8 *pbuf); - u8 createbss_hdl(struct adapter *padapter, u8 *pbuf); -@@ -611,8 +603,6 @@ u8 sitesurvey_cmd_hdl(struct adapter *padapter, u8 *pbuf); - u8 setauth_hdl(struct adapter *padapter, u8 *pbuf); - u8 setkey_hdl(struct adapter *padapter, u8 *pbuf); - u8 set_stakey_hdl(struct adapter *padapter, u8 *pbuf); --u8 set_assocsta_hdl(struct adapter *padapter, u8 *pbuf); --u8 del_assocsta_hdl(struct adapter *padapter, u8 *pbuf); - u8 add_ba_hdl(struct adapter *padapter, unsigned char *pbuf); - - u8 mlme_evt_hdl(struct adapter *padapter, unsigned char *pbuf); -diff --git a/drivers/staging/rtl8188eu/include/xmit_osdep.h b/drivers/staging/rtl8188eu/include/xmit_osdep.h -index f96ca6a..104d496 100644 ---- a/drivers/staging/rtl8188eu/include/xmit_osdep.h -+++ b/drivers/staging/rtl8188eu/include/xmit_osdep.h -@@ -35,7 +35,7 @@ struct sta_xmit_priv; - struct xmit_frame; - struct xmit_buf; - --int rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev); -+netdev_tx_t rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev); - - void rtw_os_xmit_schedule(struct adapter *padapter); - -diff --git a/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c b/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c -index d0d5915..53e6422 100644 ---- a/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c -+++ b/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c -@@ -807,10 +807,10 @@ void usb_write_port_cancel(struct adapter *padapter) - } - } - --void rtl8188eu_recv_tasklet(void *priv) -+void rtl8188eu_recv_tasklet(unsigned long priv) - { - struct sk_buff *pskb; -- struct adapter *adapt = priv; -+ struct adapter *adapt = (struct adapter *)priv; - struct recv_priv *precvpriv = &adapt->recvpriv; - - while (NULL != (pskb = skb_dequeue(&precvpriv->rx_skb_queue))) { -@@ -826,10 +826,10 @@ void rtl8188eu_recv_tasklet(void *priv) - } - } - --void rtl8188eu_xmit_tasklet(void *priv) -+void rtl8188eu_xmit_tasklet(unsigned long priv) - { - int ret = false; -- struct adapter *adapt = priv; -+ struct adapter *adapt = (struct adapter *)priv; - struct xmit_priv *pxmitpriv = &adapt->xmitpriv; - - if (check_fwstate(&adapt->mlmepriv, _FW_UNDER_SURVEY)) -diff --git a/drivers/staging/rtl8188eu/os_dep/xmit_linux.c b/drivers/staging/rtl8188eu/os_dep/xmit_linux.c -index 4b1b04e..c5049c2 100644 ---- a/drivers/staging/rtl8188eu/os_dep/xmit_linux.c -+++ b/drivers/staging/rtl8188eu/os_dep/xmit_linux.c -@@ -208,7 +208,7 @@ static int rtw_mlcst2unicst(struct adapter *padapter, struct sk_buff *skb) - } - - --int rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev) -+netdev_tx_t rtw_xmit_entry(struct sk_buff *pkt, struct net_device *pnetdev) - { - struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev); - struct xmit_priv *pxmitpriv = &padapter->xmitpriv; -diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c -index 4c30eea..b6681fa 100644 ---- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c -+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c -@@ -84,7 +84,7 @@ static struct pci_driver rtl8192_pci_driver = { - }; - - static short _rtl92e_is_tx_queue_empty(struct net_device *dev); --static void _rtl92e_watchdog_wq_cb(void *data); -+static void _rtl92e_watchdog_wq_cb(struct work_struct *data); - static void _rtl92e_watchdog_timer_cb(unsigned long data); - static void _rtl92e_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, - int rate); -@@ -92,13 +92,13 @@ static int _rtl92e_hard_start_xmit(struct sk_buff *skb, struct net_device *dev); - static void _rtl92e_tx_cmd(struct net_device *dev, struct sk_buff *skb); - static short _rtl92e_tx(struct net_device *dev, struct sk_buff *skb); - static short _rtl92e_pci_initdescring(struct net_device *dev); --static void _rtl92e_irq_tx_tasklet(struct r8192_priv *priv); --static void _rtl92e_irq_rx_tasklet(struct r8192_priv *priv); -+static void _rtl92e_irq_tx_tasklet(unsigned long priv); -+static void _rtl92e_irq_rx_tasklet(unsigned long priv); - static void _rtl92e_cancel_deferred_work(struct r8192_priv *priv); - static int _rtl92e_up(struct net_device *dev, bool is_silent_reset); - static int _rtl92e_try_up(struct net_device *dev); - static int _rtl92e_down(struct net_device *dev, bool shutdownrf); --static void _rtl92e_restart(void *data); -+static void _rtl92e_restart(struct work_struct *data); - - /**************************************************************************** - -----------------------------IO STUFF------------------------- -@@ -375,7 +375,7 @@ static struct rtllib_qos_parameters def_qos_parameters = { - {0, 0, 0, 0} - }; - --static void _rtl92e_update_beacon(void *data) -+static void _rtl92e_update_beacon(struct work_struct *data) - { - struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv, - update_beacon_wq.work); -@@ -391,7 +391,7 @@ static void _rtl92e_update_beacon(void *data) - _rtl92e_update_cap(dev, net->capability); - } - --static void _rtl92e_qos_activate(void *data) -+static void _rtl92e_qos_activate(struct work_struct *data) - { - struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv, - qos_activate); -@@ -527,8 +527,9 @@ static int _rtl92e_handle_assoc_response(struct net_device *dev, - return 0; - } - --static void _rtl92e_prepare_beacon(struct r8192_priv *priv) -+static void _rtl92e_prepare_beacon(unsigned long _priv) - { -+ struct r8192_priv *priv = (struct r8192_priv *)_priv; - struct net_device *dev = priv->rtllib->dev; - struct sk_buff *pskb = NULL, *pnewskb = NULL; - struct cb_desc *tcb_desc = NULL; -@@ -1002,30 +1003,30 @@ static void _rtl92e_init_priv_task(struct net_device *dev) - { - struct r8192_priv *priv = rtllib_priv(dev); - -- INIT_WORK_RSL(&priv->reset_wq, (void *)_rtl92e_restart, dev); -- INIT_WORK_RSL(&priv->rtllib->ips_leave_wq, (void *)rtl92e_ips_leave_wq, -+ INIT_WORK_RSL(&priv->reset_wq, _rtl92e_restart, dev); -+ INIT_WORK_RSL(&priv->rtllib->ips_leave_wq, rtl92e_ips_leave_wq, - dev); - INIT_DELAYED_WORK_RSL(&priv->watch_dog_wq, -- (void *)_rtl92e_watchdog_wq_cb, dev); -+ _rtl92e_watchdog_wq_cb, dev); - INIT_DELAYED_WORK_RSL(&priv->txpower_tracking_wq, -- (void *)rtl92e_dm_txpower_tracking_wq, dev); -+ rtl92e_dm_txpower_tracking_wq, dev); - INIT_DELAYED_WORK_RSL(&priv->rfpath_check_wq, -- (void *)rtl92e_dm_rf_pathcheck_wq, dev); -+ rtl92e_dm_rf_pathcheck_wq, dev); - INIT_DELAYED_WORK_RSL(&priv->update_beacon_wq, -- (void *)_rtl92e_update_beacon, dev); -- INIT_WORK_RSL(&priv->qos_activate, (void *)_rtl92e_qos_activate, dev); -+ _rtl92e_update_beacon, dev); -+ INIT_WORK_RSL(&priv->qos_activate, _rtl92e_qos_activate, dev); - INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_wakeup_wq, -- (void *) rtl92e_hw_wakeup_wq, dev); -+ rtl92e_hw_wakeup_wq, dev); - INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_sleep_wq, -- (void *) rtl92e_hw_sleep_wq, dev); -+ rtl92e_hw_sleep_wq, dev); - tasklet_init(&priv->irq_rx_tasklet, -- (void(*)(unsigned long))_rtl92e_irq_rx_tasklet, -+ _rtl92e_irq_rx_tasklet, - (unsigned long)priv); - tasklet_init(&priv->irq_tx_tasklet, -- (void(*)(unsigned long))_rtl92e_irq_tx_tasklet, -+ _rtl92e_irq_tx_tasklet, - (unsigned long)priv); - tasklet_init(&priv->irq_prepare_beacon_tasklet, -- (void(*)(unsigned long))_rtl92e_prepare_beacon, -+ _rtl92e_prepare_beacon, - (unsigned long)priv); - } - -@@ -1377,7 +1378,7 @@ static void _rtl92e_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum, - } - } - --static void _rtl92e_watchdog_wq_cb(void *data) -+static void _rtl92e_watchdog_wq_cb(struct work_struct *data) - { - struct r8192_priv *priv = container_of_dwork_rsl(data, - struct r8192_priv, watch_dog_wq); -@@ -2142,13 +2143,15 @@ static void _rtl92e_tx_resume(struct net_device *dev) - } - } - --static void _rtl92e_irq_tx_tasklet(struct r8192_priv *priv) -+static void _rtl92e_irq_tx_tasklet(unsigned long _priv) - { -+ struct r8192_priv *priv = (struct r8192_priv *)_priv; - _rtl92e_tx_resume(priv->rtllib->dev); - } - --static void _rtl92e_irq_rx_tasklet(struct r8192_priv *priv) -+static void _rtl92e_irq_rx_tasklet(unsigned long _priv) - { -+ struct r8192_priv *priv= (struct r8192_priv *)_priv; - _rtl92e_rx_normal(priv->rtllib->dev); - - rtl92e_writel(priv->rtllib->dev, INTA_MASK, -@@ -2236,7 +2239,7 @@ void rtl92e_commit(struct net_device *dev) - _rtl92e_up(dev, false); - } - --static void _rtl92e_restart(void *data) -+static void _rtl92e_restart(struct work_struct *data) - { - struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv, - reset_wq); -diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h -index babc0b3..2680a8b 100644 ---- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h -+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h -@@ -586,12 +586,12 @@ void force_pci_posting(struct net_device *dev); - void rtl92e_rx_enable(struct net_device *); - void rtl92e_tx_enable(struct net_device *); - --void rtl92e_hw_sleep_wq(void *data); -+void rtl92e_hw_sleep_wq(struct work_struct *data); - void rtl92e_commit(struct net_device *dev); - - void rtl92e_check_rfctrl_gpio_timer(unsigned long data); - --void rtl92e_hw_wakeup_wq(void *data); -+void rtl92e_hw_wakeup_wq(struct work_struct *data); - - void rtl92e_reset_desc_ring(struct net_device *dev); - void rtl92e_set_wireless_mode(struct net_device *dev, u8 wireless_mode); -diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c -index 9bc2848..17ccbf7 100644 ---- a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c -+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c -@@ -195,7 +195,7 @@ static void _rtl92e_dm_deinit_fsync(struct net_device *dev); - static void _rtl92e_dm_check_txrateandretrycount(struct net_device *dev); - static void _rtl92e_dm_check_ac_dc_power(struct net_device *dev); - static void _rtl92e_dm_check_fsync(struct net_device *dev); --static void _rtl92e_dm_check_rf_ctrl_gpio(void *data); -+static void _rtl92e_dm_check_rf_ctrl_gpio(struct work_struct *data); - static void _rtl92e_dm_fsync_timer_callback(unsigned long data); - - /*---------------------Define local function prototype-----------------------*/ -@@ -229,7 +229,7 @@ void rtl92e_dm_init(struct net_device *dev) - _rtl92e_dm_init_wa_broadcom_iot(dev); - - INIT_DELAYED_WORK_RSL(&priv->gpio_change_rf_wq, -- (void *)_rtl92e_dm_check_rf_ctrl_gpio, dev); -+ _rtl92e_dm_check_rf_ctrl_gpio, dev); - } - - void rtl92e_dm_deinit(struct net_device *dev) -@@ -932,7 +932,7 @@ static void _rtl92e_dm_tx_power_tracking_cb_thermal(struct net_device *dev) - priv->txpower_count = 0; - } - --void rtl92e_dm_txpower_tracking_wq(void *data) -+void rtl92e_dm_txpower_tracking_wq(struct work_struct *data) - { - struct r8192_priv *priv = container_of_dwork_rsl(data, - struct r8192_priv, txpower_tracking_wq); -@@ -1814,7 +1814,7 @@ static void _rtl92e_dm_init_wa_broadcom_iot(struct net_device *dev) - pHTInfo->WAIotTH = WAIotTHVal; - } - --static void _rtl92e_dm_check_rf_ctrl_gpio(void *data) -+static void _rtl92e_dm_check_rf_ctrl_gpio(struct work_struct *data) - { - struct r8192_priv *priv = container_of_dwork_rsl(data, - struct r8192_priv, gpio_change_rf_wq); -@@ -1868,7 +1868,7 @@ static void _rtl92e_dm_check_rf_ctrl_gpio(void *data) - } - } - --void rtl92e_dm_rf_pathcheck_wq(void *data) -+void rtl92e_dm_rf_pathcheck_wq(struct work_struct *data) - { - struct r8192_priv *priv = container_of_dwork_rsl(data, - struct r8192_priv, -diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.h b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.h -index 756a0dd..d2de5e8 100644 ---- a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.h -+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.h -@@ -191,13 +191,13 @@ void rtl92e_dm_watchdog(struct net_device *dev); - - - void rtl92e_init_adaptive_rate(struct net_device *dev); --void rtl92e_dm_txpower_tracking_wq(void *data); -+void rtl92e_dm_txpower_tracking_wq(struct work_struct *data); - - void rtl92e_dm_cck_txpower_adjust(struct net_device *dev, bool binch14); - - void rtl92e_dm_restore_state(struct net_device *dev); - void rtl92e_dm_backup_state(struct net_device *dev); - void rtl92e_dm_init_edca_turbo(struct net_device *dev); --void rtl92e_dm_rf_pathcheck_wq(void *data); -+void rtl92e_dm_rf_pathcheck_wq(struct work_struct *data); - void rtl92e_dm_init_txpower_tracking(struct net_device *dev); - #endif /*__R8192UDM_H__ */ -diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c b/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c -index aa4b015..d38df38 100644 ---- a/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c -+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_ps.c -@@ -44,7 +44,7 @@ static void _rtl92e_hw_sleep(struct net_device *dev) - rtl92e_set_rf_state(dev, eRfSleep, RF_CHANGE_BY_PS); - } - --void rtl92e_hw_sleep_wq(void *data) -+void rtl92e_hw_sleep_wq(struct work_struct *data) - { - struct rtllib_device *ieee = container_of_dwork_rsl(data, - struct rtllib_device, hw_sleep_wq); -@@ -72,7 +72,7 @@ void rtl92e_hw_wakeup(struct net_device *dev) - rtl92e_set_rf_state(dev, eRfOn, RF_CHANGE_BY_PS); - } - --void rtl92e_hw_wakeup_wq(void *data) -+void rtl92e_hw_wakeup_wq(struct work_struct *data) - { - struct rtllib_device *ieee = container_of_dwork_rsl(data, - struct rtllib_device, hw_wakeup_wq); -@@ -172,7 +172,7 @@ void rtl92e_ips_leave(struct net_device *dev) - } - } - --void rtl92e_ips_leave_wq(void *data) -+void rtl92e_ips_leave_wq(struct work_struct *data) - { - struct rtllib_device *ieee = container_of_work_rsl(data, - struct rtllib_device, ips_leave_wq); -diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_ps.h b/drivers/staging/rtl8192e/rtl8192e/rtl_ps.h -index a46f4cf..8f46fda 100644 ---- a/drivers/staging/rtl8192e/rtl8192e/rtl_ps.h -+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_ps.h -@@ -24,6 +24,7 @@ - #include - - struct net_device; -+struct work_struct; - - #define RT_CHECK_FOR_HANG_PERIOD 2 - -@@ -31,7 +32,7 @@ void rtl92e_hw_wakeup(struct net_device *dev); - void rtl92e_enter_sleep(struct net_device *dev, u64 time); - void rtl92e_rtllib_ips_leave_wq(struct net_device *dev); - void rtl92e_rtllib_ips_leave(struct net_device *dev); --void rtl92e_ips_leave_wq(void *data); -+void rtl92e_ips_leave_wq(struct work_struct *data); - - void rtl92e_ips_enter(struct net_device *dev); - void rtl92e_ips_leave(struct net_device *dev); -diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c -index 7413a10..93d1ec7 100644 ---- a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c -+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c -@@ -1187,30 +1187,30 @@ static const struct iw_priv_args r8192_private_args[] = { - }; - - static iw_handler r8192_private_handler[] = { -- (iw_handler)_rtl92e_wx_set_debug, /*SIOCIWSECONDPRIV*/ -- (iw_handler)_rtl92e_wx_set_scan_type, -- (iw_handler)_rtl92e_wx_set_rawtx, -- (iw_handler)_rtl92e_wx_force_reset, -- (iw_handler)NULL, -- (iw_handler)NULL, -- (iw_handler)_rtl92e_wx_adapter_power_status, -- (iw_handler)NULL, -- (iw_handler)NULL, -- (iw_handler)NULL, -- (iw_handler)_rtl92e_wx_set_lps_awake_interval, -- (iw_handler)_rtl92e_wx_set_force_lps, -- (iw_handler)NULL, -- (iw_handler)NULL, -- (iw_handler)NULL, -- (iw_handler)NULL, -- (iw_handler)NULL, -- (iw_handler)NULL, -- (iw_handler)NULL, -- (iw_handler)NULL, -- (iw_handler)NULL, -- (iw_handler)NULL, -- (iw_handler)_rtl92e_wx_set_promisc_mode, -- (iw_handler)_rtl92e_wx_get_promisc_mode, -+ _rtl92e_wx_set_debug, /*SIOCIWSECONDPRIV*/ -+ _rtl92e_wx_set_scan_type, -+ _rtl92e_wx_set_rawtx, -+ _rtl92e_wx_force_reset, -+ NULL, -+ NULL, -+ _rtl92e_wx_adapter_power_status, -+ NULL, -+ NULL, -+ NULL, -+ _rtl92e_wx_set_lps_awake_interval, -+ _rtl92e_wx_set_force_lps, -+ NULL, -+ NULL, -+ NULL, -+ NULL, -+ NULL, -+ NULL, -+ NULL, -+ NULL, -+ NULL, -+ NULL, -+ _rtl92e_wx_set_promisc_mode, -+ _rtl92e_wx_get_promisc_mode, - }; - - static struct iw_statistics *_rtl92e_get_wireless_stats(struct net_device *dev) -diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h -index b895a53..f4ff606 100644 ---- a/drivers/staging/rtl8192e/rtllib.h -+++ b/drivers/staging/rtl8192e/rtllib.h -@@ -1993,7 +1993,7 @@ int rtllib_encrypt_fragment( - struct sk_buff *frag, - int hdr_len); - --int rtllib_xmit(struct sk_buff *skb, struct net_device *dev); -+netdev_tx_t rtllib_xmit(struct sk_buff *skb, struct net_device *dev); - void rtllib_txb_free(struct rtllib_txb *); - - /* rtllib_rx.c */ -@@ -2107,7 +2107,7 @@ int rtllib_wx_set_freq(struct rtllib_device *ieee, struct iw_request_info *a, - - int rtllib_wx_get_freq(struct rtllib_device *ieee, struct iw_request_info *a, - union iwreq_data *wrqu, char *b); --void rtllib_wx_sync_scan_wq(void *data); -+void rtllib_wx_sync_scan_wq(struct work_struct *data); - - int rtllib_wx_set_rawtx(struct rtllib_device *ieee, - struct iw_request_info *info, -diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c -index da74dc4..0c26265 100644 ---- a/drivers/staging/rtl8192e/rtllib_softmac.c -+++ b/drivers/staging/rtl8192e/rtllib_softmac.c -@@ -575,7 +575,7 @@ static void rtllib_softmac_scan_syncro(struct rtllib_device *ieee, u8 is_mesh) - wireless_send_event(ieee->dev, SIOCGIWSCAN, &wrqu, NULL); - } - --static void rtllib_softmac_scan_wq(void *data) -+static void rtllib_softmac_scan_wq(struct work_struct *data) - { - struct rtllib_device *ieee = container_of_dwork_rsl(data, - struct rtllib_device, softmac_scan_wq); -@@ -1517,7 +1517,7 @@ static void rtllib_associate_step2(struct rtllib_device *ieee) - } - } - --static void rtllib_associate_complete_wq(void *data) -+static void rtllib_associate_complete_wq(struct work_struct *data) - { - struct rtllib_device *ieee = (struct rtllib_device *) - container_of_work_rsl(data, -@@ -1586,7 +1586,7 @@ static void rtllib_associate_complete(struct rtllib_device *ieee) - schedule_work(&ieee->associate_complete_wq); - } - --static void rtllib_associate_procedure_wq(void *data) -+static void rtllib_associate_procedure_wq(struct work_struct *data) - { - struct rtllib_device *ieee = container_of_dwork_rsl(data, - struct rtllib_device, -@@ -2058,8 +2058,9 @@ static short rtllib_sta_ps_sleep(struct rtllib_device *ieee, u64 *time) - - } - --static inline void rtllib_sta_ps(struct rtllib_device *ieee) -+static inline void rtllib_sta_ps(unsigned long _ieee) - { -+ struct rtllib_device *ieee = (struct rtllib_device *)_ieee; - u64 time; - short sleep; - unsigned long flags, flags2; -@@ -2583,7 +2584,7 @@ static void rtllib_start_monitor_mode(struct rtllib_device *ieee) - } - } - --static void rtllib_start_ibss_wq(void *data) -+static void rtllib_start_ibss_wq(struct work_struct *data) - { - struct rtllib_device *ieee = container_of_dwork_rsl(data, - struct rtllib_device, start_ibss_wq); -@@ -2748,7 +2749,7 @@ static void rtllib_start_bss(struct rtllib_device *ieee) - spin_unlock_irqrestore(&ieee->lock, flags); - } - --static void rtllib_link_change_wq(void *data) -+static void rtllib_link_change_wq(struct work_struct *data) - { - struct rtllib_device *ieee = container_of_dwork_rsl(data, - struct rtllib_device, link_change_wq); -@@ -2774,7 +2775,7 @@ void rtllib_disassociate(struct rtllib_device *ieee) - notify_wx_assoc_event(ieee); - } - --static void rtllib_associate_retry_wq(void *data) -+static void rtllib_associate_retry_wq(struct work_struct *data) - { - struct rtllib_device *ieee = container_of_dwork_rsl(data, - struct rtllib_device, associate_retry_wq); -@@ -3027,19 +3028,18 @@ void rtllib_softmac_init(struct rtllib_device *ieee) - (unsigned long) ieee); - - INIT_DELAYED_WORK_RSL(&ieee->link_change_wq, -- (void *)rtllib_link_change_wq, ieee); -+ rtllib_link_change_wq, ieee); - INIT_DELAYED_WORK_RSL(&ieee->start_ibss_wq, -- (void *)rtllib_start_ibss_wq, ieee); -+ rtllib_start_ibss_wq, ieee); - INIT_WORK_RSL(&ieee->associate_complete_wq, -- (void *)rtllib_associate_complete_wq, ieee); -+ rtllib_associate_complete_wq, ieee); - INIT_DELAYED_WORK_RSL(&ieee->associate_procedure_wq, -- (void *)rtllib_associate_procedure_wq, ieee); -+ rtllib_associate_procedure_wq, ieee); - INIT_DELAYED_WORK_RSL(&ieee->softmac_scan_wq, -- (void *)rtllib_softmac_scan_wq, ieee); -+ rtllib_softmac_scan_wq, ieee); - INIT_DELAYED_WORK_RSL(&ieee->associate_retry_wq, -- (void *)rtllib_associate_retry_wq, ieee); -- INIT_WORK_RSL(&ieee->wx_sync_scan_wq, (void *)rtllib_wx_sync_scan_wq, -- ieee); -+ rtllib_associate_retry_wq, ieee); -+ INIT_WORK_RSL(&ieee->wx_sync_scan_wq, rtllib_wx_sync_scan_wq, ieee); - - mutex_init(&ieee->wx_mutex); - mutex_init(&ieee->scan_mutex); -@@ -3049,7 +3049,7 @@ void rtllib_softmac_init(struct rtllib_device *ieee) - spin_lock_init(&ieee->beacon_lock); - - tasklet_init(&ieee->ps_task, -- (void(*)(unsigned long)) rtllib_sta_ps, -+ rtllib_sta_ps, - (unsigned long)ieee); - - } -diff --git a/drivers/staging/rtl8192e/rtllib_softmac_wx.c b/drivers/staging/rtl8192e/rtllib_softmac_wx.c -index 5f1412f..70d1ceb 100644 ---- a/drivers/staging/rtl8192e/rtllib_softmac_wx.c -+++ b/drivers/staging/rtl8192e/rtllib_softmac_wx.c -@@ -327,7 +327,7 @@ int rtllib_wx_set_mode(struct rtllib_device *ieee, struct iw_request_info *a, - } - EXPORT_SYMBOL(rtllib_wx_set_mode); - --void rtllib_wx_sync_scan_wq(void *data) -+void rtllib_wx_sync_scan_wq(struct work_struct *data) - { - struct rtllib_device *ieee = container_of_work_rsl(data, - struct rtllib_device, wx_sync_scan_wq); -diff --git a/drivers/staging/rtl8192e/rtllib_tx.c b/drivers/staging/rtl8192e/rtllib_tx.c -index 78a3ad5..3b1b31a 100644 ---- a/drivers/staging/rtl8192e/rtllib_tx.c -+++ b/drivers/staging/rtl8192e/rtllib_tx.c -@@ -984,7 +984,7 @@ static int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) - - } - --int rtllib_xmit(struct sk_buff *skb, struct net_device *dev) -+netdev_tx_t rtllib_xmit(struct sk_buff *skb, struct net_device *dev) - { - memset(skb->cb, 0, sizeof(skb->cb)); - return rtllib_xmit_inter(skb, dev); -diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211.h b/drivers/staging/rtl8192u/ieee80211/ieee80211.h -index 077ea13..abc53a0 100644 ---- a/drivers/staging/rtl8192u/ieee80211/ieee80211.h -+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211.h -@@ -2174,7 +2174,7 @@ int ieee80211_set_encryption(struct ieee80211_device *ieee); - int ieee80211_encrypt_fragment(struct ieee80211_device *ieee, - struct sk_buff *frag, int hdr_len); - --int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev); -+netdev_tx_t ieee80211_xmit(struct sk_buff *skb, struct net_device *dev); - void ieee80211_txb_free(struct ieee80211_txb *); - - -diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c -index d7d85b3..20140ab 100644 ---- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c -+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c -@@ -1769,9 +1769,9 @@ static short ieee80211_sta_ps_sleep(struct ieee80211_device *ieee, u32 *time_h, - - } - --static inline void ieee80211_sta_ps(struct ieee80211_device *ieee) -+static inline void ieee80211_sta_ps(unsigned long _ieee) - { -- -+ struct ieee80211_device *ieee = (struct ieee80211_device *)_ieee; - u32 th, tl; - short sleep; - -@@ -2739,7 +2739,7 @@ void ieee80211_softmac_init(struct ieee80211_device *ieee) - spin_lock_init(&ieee->beacon_lock); - - tasklet_init(&ieee->ps_task, -- (void(*)(unsigned long)) ieee80211_sta_ps, -+ ieee80211_sta_ps, - (unsigned long)ieee); - - } -diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c -index 1ab0aea..41de55c 100644 ---- a/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c -+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c -@@ -594,7 +594,7 @@ static void ieee80211_query_seqnum(struct ieee80211_device *ieee, - } - } - --int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev) -+netdev_tx_t ieee80211_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct ieee80211_device *ieee = netdev_priv(dev); - struct ieee80211_txb *txb = NULL; -diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c -index 457eeb5..d6dd4ea 100644 ---- a/drivers/staging/rtl8192u/r8192U_core.c -+++ b/drivers/staging/rtl8192u/r8192U_core.c -@@ -2330,7 +2330,7 @@ static void rtl8192_init_priv_lock(struct r8192_priv *priv) - - static void rtl819x_watchdog_wqcallback(struct work_struct *work); - --static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv); -+static void rtl8192_irq_rx_tasklet(unsigned long priv); - /* init tasklet and wait_queue here. only 2.6 above kernel is considered */ - #define DRV_NAME "wlan0" - static void rtl8192_init_priv_task(struct net_device *dev) -@@ -2353,7 +2353,7 @@ static void rtl8192_init_priv_task(struct net_device *dev) - INIT_WORK(&priv->qos_activate, rtl8192_qos_activate); - - tasklet_init(&priv->irq_rx_tasklet, -- (void(*)(unsigned long))rtl8192_irq_rx_tasklet, -+ rtl8192_irq_rx_tasklet, - (unsigned long)priv); - } - -@@ -4890,8 +4890,9 @@ static void rtl8192_rx_cmd(struct sk_buff *skb) - } - } - --static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv) -+static void rtl8192_irq_rx_tasklet(unsigned long _priv) - { -+ struct r8192_priv *priv = (struct r8192_priv *)_priv; - struct sk_buff *skb; - struct rtl8192_rx_info *info; - -diff --git a/drivers/staging/rtl8712/rtl8712_recv.c b/drivers/staging/rtl8712/rtl8712_recv.c -index 66f0e0a..395de9c 100644 ---- a/drivers/staging/rtl8712/rtl8712_recv.c -+++ b/drivers/staging/rtl8712/rtl8712_recv.c -@@ -45,7 +45,7 @@ static u8 bridge_tunnel_header[] = {0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8}; - /* Ethernet-II snap header (RFC1042 for most EtherTypes) */ - static u8 rfc1042_header[] = {0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00}; - --static void recv_tasklet(void *priv); -+static void recv_tasklet(unsigned long _priv); - - int r8712_init_recv_priv(struct recv_priv *precvpriv, struct _adapter *padapter) - { -@@ -79,7 +79,7 @@ int r8712_init_recv_priv(struct recv_priv *precvpriv, struct _adapter *padapter) - } - precvpriv->free_recv_buf_queue_cnt = NR_RECVBUFF; - tasklet_init(&precvpriv->recv_tasklet, -- (void(*)(unsigned long))recv_tasklet, -+ recv_tasklet, - (unsigned long)padapter); - skb_queue_head_init(&precvpriv->rx_skb_queue); - -@@ -1121,7 +1121,7 @@ static int recvbuf2recvframe(struct _adapter *padapter, struct sk_buff *pskb) - return _SUCCESS; - } - --static void recv_tasklet(void *priv) -+static void recv_tasklet(unsigned long priv) - { - struct sk_buff *pskb; - struct _adapter *padapter = (struct _adapter *)priv; -diff --git a/drivers/staging/rtl8712/rtl871x_io.h b/drivers/staging/rtl8712/rtl871x_io.h -index 26dd24c..2eb37c9 100644 ---- a/drivers/staging/rtl8712/rtl871x_io.h -+++ b/drivers/staging/rtl8712/rtl871x_io.h -@@ -108,7 +108,7 @@ struct _io_ops { - u8 *pmem); - u32 (*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, - u8 *pmem); --}; -+} __no_const; - - struct io_req { - struct list_head list; -diff --git a/drivers/staging/rtl8712/rtl871x_ioctl.h b/drivers/staging/rtl8712/rtl871x_ioctl.h -index 08bcb3b..24c20e0 100644 ---- a/drivers/staging/rtl8712/rtl871x_ioctl.h -+++ b/drivers/staging/rtl8712/rtl871x_ioctl.h -@@ -77,18 +77,4 @@ uint oid_null_function(struct oid_par_priv *poid_par_priv); - - extern struct iw_handler_def r871x_handlers_def; - --uint drv_query_info(struct net_device *MiniportAdapterContext, -- uint Oid, -- void *InformationBuffer, -- u32 InformationBufferLength, -- u32 *BytesWritten, -- u32 *BytesNeeded); -- --uint drv_set_info(struct net_device *MiniportAdapterContext, -- uint Oid, -- void *InformationBuffer, -- u32 InformationBufferLength, -- u32 *BytesRead, -- u32 *BytesNeeded); -- - #endif -diff --git a/drivers/staging/rtl8712/rtl871x_xmit.c b/drivers/staging/rtl8712/rtl871x_xmit.c -index be38364..87b461b 100644 ---- a/drivers/staging/rtl8712/rtl871x_xmit.c -+++ b/drivers/staging/rtl8712/rtl871x_xmit.c -@@ -152,7 +152,7 @@ sint _r8712_init_xmit_priv(struct xmit_priv *pxmitpriv, - alloc_hwxmits(padapter); - init_hwxmits(pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry); - tasklet_init(&pxmitpriv->xmit_tasklet, -- (void(*)(unsigned long))r8712_xmit_bh, -+ r8712_xmit_bh, - (unsigned long)padapter); - return _SUCCESS; - } -diff --git a/drivers/staging/rtl8712/rtl871x_xmit.h b/drivers/staging/rtl8712/rtl871x_xmit.h -index d899d0c..f27928e 100644 ---- a/drivers/staging/rtl8712/rtl871x_xmit.h -+++ b/drivers/staging/rtl8712/rtl871x_xmit.h -@@ -295,7 +295,7 @@ int r8712_pre_xmit(struct _adapter *padapter, struct xmit_frame *pxmitframe); - int r8712_xmit_enqueue(struct _adapter *padapter, - struct xmit_frame *pxmitframe); - int r8712_xmit_direct(struct _adapter *padapter, struct xmit_frame *pxmitframe); --void r8712_xmit_bh(void *priv); -+void r8712_xmit_bh(unsigned long priv); - - void xmitframe_xmitbuf_attach(struct xmit_frame *pxmitframe, - struct xmit_buf *pxmitbuf); -diff --git a/drivers/staging/rtl8712/usb_ops_linux.c b/drivers/staging/rtl8712/usb_ops_linux.c -index fc6bb0b..3b073c6 100644 ---- a/drivers/staging/rtl8712/usb_ops_linux.c -+++ b/drivers/staging/rtl8712/usb_ops_linux.c -@@ -319,10 +319,10 @@ void r8712_usb_read_port_cancel(struct _adapter *padapter) - } - } - --void r8712_xmit_bh(void *priv) -+void r8712_xmit_bh(unsigned long priv) - { - int ret = false; -- struct _adapter *padapter = priv; -+ struct _adapter *padapter = (struct _adapter *)priv; - struct xmit_priv *pxmitpriv = &padapter->xmitpriv; - - if (padapter->bDriverStopped || -diff --git a/drivers/staging/rtl8712/xmit_linux.c b/drivers/staging/rtl8712/xmit_linux.c -index 4ee4136..0b001b5 100644 ---- a/drivers/staging/rtl8712/xmit_linux.c -+++ b/drivers/staging/rtl8712/xmit_linux.c -@@ -159,7 +159,7 @@ void r8712_xmit_complete(struct _adapter *padapter, struct xmit_frame *pxframe) - pxframe->pkt = NULL; - } - --int r8712_xmit_entry(_pkt *pkt, struct net_device *pnetdev) -+netdev_tx_t r8712_xmit_entry(_pkt *pkt, struct net_device *pnetdev) - { - struct xmit_frame *pxmitframe = NULL; - struct _adapter *padapter = netdev_priv(pnetdev); -diff --git a/drivers/staging/rtl8712/xmit_osdep.h b/drivers/staging/rtl8712/xmit_osdep.h -index 8eba7ca..6c4ce81 100644 ---- a/drivers/staging/rtl8712/xmit_osdep.h -+++ b/drivers/staging/rtl8712/xmit_osdep.h -@@ -46,7 +46,7 @@ struct sta_xmit_priv; - struct xmit_frame; - struct xmit_buf; - --int r8712_xmit_entry(_pkt *pkt, struct net_device *pnetdev); -+netdev_tx_t r8712_xmit_entry(_pkt *pkt, struct net_device *pnetdev); - void r8712_SetFilter(struct work_struct *work); - int r8712_xmit_resource_alloc(struct _adapter *padapter, - struct xmit_buf *pxmitbuf); -diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c -index 7d90e25..0780424 100644 ---- a/drivers/staging/sm750fb/sm750.c -+++ b/drivers/staging/sm750fb/sm750.c -@@ -725,6 +725,7 @@ static struct fb_ops lynxfb_ops = { - .fb_set_par = lynxfb_ops_set_par, - .fb_setcolreg = lynxfb_ops_setcolreg, - .fb_blank = lynxfb_ops_blank, -+ .fb_pan_display = lynxfb_ops_pan_display, - .fb_fillrect = cfb_fillrect, - .fb_imageblit = cfb_imageblit, - .fb_copyarea = cfb_copyarea, -@@ -770,7 +771,6 @@ static int lynxfb_set_fbinfo(struct fb_info *info, int index) - par->index = index; - output->channel = &crtc->channel; - sm750fb_set_drv(par); -- lynxfb_ops.fb_pan_display = lynxfb_ops_pan_display; - - /* - * set current cursor variable and proc pointer, -@@ -787,16 +787,20 @@ static int lynxfb_set_fbinfo(struct fb_info *info, int index) - - memset_io(crtc->cursor.vstart, 0, crtc->cursor.size); - if (!g_hwcursor) { -- lynxfb_ops.fb_cursor = NULL; -+ pax_open_kernel(); -+ const_cast(lynxfb_ops.fb_cursor) = NULL; -+ pax_close_kernel(); - hw_cursor_disable(&crtc->cursor); - } - - /* set info->fbops, must be set before fb_find_mode */ - if (!sm750_dev->accel_off) { - /* use 2d acceleration */ -- lynxfb_ops.fb_fillrect = lynxfb_ops_fillrect; -- lynxfb_ops.fb_copyarea = lynxfb_ops_copyarea; -- lynxfb_ops.fb_imageblit = lynxfb_ops_imageblit; -+ pax_open_kernel(); -+ const_cast(lynxfb_ops.fb_fillrect) = lynxfb_ops_fillrect; -+ const_cast(lynxfb_ops.fb_copyarea) = lynxfb_ops_copyarea; -+ const_cast(lynxfb_ops.fb_imageblit) = lynxfb_ops_imageblit; -+ pax_close_kernel(); - } - info->fbops = &lynxfb_ops; - -diff --git a/drivers/staging/unisys/visorbus/visorchipset.c b/drivers/staging/unisys/visorbus/visorchipset.c -index 5987149..15c44ea 100644 ---- a/drivers/staging/unisys/visorbus/visorchipset.c -+++ b/drivers/staging/unisys/visorbus/visorchipset.c -@@ -2234,7 +2234,7 @@ static __init uint32_t visorutil_spar_detect(void) - } - } - --static int init_unisys(void) -+static __init int init_unisys(void) - { - int result; - -@@ -2249,7 +2249,7 @@ static int init_unisys(void) - return 0; - }; - --static void exit_unisys(void) -+static __exit void exit_unisys(void) - { - acpi_bus_unregister_driver(&unisys_acpi_driver); - } -diff --git a/drivers/staging/unisys/visornic/visornic_main.c b/drivers/staging/unisys/visornic/visornic_main.c -index 1367007..d7a3530 100644 ---- a/drivers/staging/unisys/visornic/visornic_main.c -+++ b/drivers/staging/unisys/visornic/visornic_main.c -@@ -758,7 +758,7 @@ static inline bool vnic_hit_low_watermark(struct visornic_devdata *devdata, - * can be called again. - * Returns NETDEV_TX_OK. - */ --static int -+static netdev_tx_t - visornic_xmit(struct sk_buff *skb, struct net_device *netdev) - { - struct visornic_devdata *devdata; -diff --git a/drivers/staging/vt6655/rxtx.c b/drivers/staging/vt6655/rxtx.c -index 7e69bc9..d5376b2 100644 ---- a/drivers/staging/vt6655/rxtx.c -+++ b/drivers/staging/vt6655/rxtx.c -@@ -1250,7 +1250,7 @@ static void vnt_fill_txkey(struct ieee80211_hdr *hdr, u8 *key_buffer, - mic_hdr->payload_len = cpu_to_be16(payload_len); - ether_addr_copy(mic_hdr->mic_addr2, hdr->addr2); - -- pn64 = atomic64_read(&tx_key->tx_pn); -+ pn64 = atomic64_read_unchecked(&tx_key->tx_pn); - mic_hdr->ccmp_pn[5] = pn64; - mic_hdr->ccmp_pn[4] = pn64 >> 8; - mic_hdr->ccmp_pn[3] = pn64 >> 16; -diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c -index aa59e7f..094dd59 100644 ---- a/drivers/staging/vt6656/rxtx.c -+++ b/drivers/staging/vt6656/rxtx.c -@@ -749,7 +749,7 @@ static void vnt_fill_txkey(struct vnt_usb_send_context *tx_context, - mic_hdr->payload_len = cpu_to_be16(payload_len); - ether_addr_copy(mic_hdr->mic_addr2, hdr->addr2); - -- pn64 = atomic64_read(&tx_key->tx_pn); -+ pn64 = atomic64_read_unchecked(&tx_key->tx_pn); - mic_hdr->ccmp_pn[5] = pn64; - mic_hdr->ccmp_pn[4] = pn64 >> 8; - mic_hdr->ccmp_pn[3] = pn64 >> 16; -diff --git a/drivers/staging/wilc1000/host_interface.h b/drivers/staging/wilc1000/host_interface.h -index ddfea29..5305b38 100644 ---- a/drivers/staging/wilc1000/host_interface.h -+++ b/drivers/staging/wilc1000/host_interface.h -@@ -1,6 +1,7 @@ - #ifndef HOST_INT_H - #define HOST_INT_H - -+#include - #include "coreconfigurator.h" - - #define IP_ALEN 4 -diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c -index 6370a5e..4115fdd 100644 ---- a/drivers/staging/wilc1000/linux_wlan.c -+++ b/drivers/staging/wilc1000/linux_wlan.c -@@ -982,7 +982,7 @@ static void linux_wlan_tx_complete(void *priv, int status) - kfree(pv_data); - } - --int wilc_mac_xmit(struct sk_buff *skb, struct net_device *ndev) -+netdev_tx_t wilc_mac_xmit(struct sk_buff *skb, struct net_device *ndev) - { - struct wilc_vif *vif; - struct tx_complete_data *tx_data = NULL; -diff --git a/drivers/staging/wilc1000/wilc_spi.c b/drivers/staging/wilc1000/wilc_spi.c -index f08cf6d..9ccd7a4 100644 ---- a/drivers/staging/wilc1000/wilc_spi.c -+++ b/drivers/staging/wilc1000/wilc_spi.c -@@ -19,6 +19,7 @@ - #include - - #include -+#include - #include "wilc_wlan_if.h" - #include "wilc_wlan.h" - #include "wilc_wfi_netdevice.h" -diff --git a/drivers/staging/wilc1000/wilc_wlan.h b/drivers/staging/wilc1000/wilc_wlan.h -index de6c4dd..ec13331 100644 ---- a/drivers/staging/wilc1000/wilc_wlan.h -+++ b/drivers/staging/wilc1000/wilc_wlan.h -@@ -295,7 +295,7 @@ void wilc_chip_sleep_manually(struct wilc *wilc); - - void wilc_enable_tcp_ack_filter(bool value); - int wilc_wlan_get_num_conn_ifcs(struct wilc *); --int wilc_mac_xmit(struct sk_buff *skb, struct net_device *dev); -+netdev_tx_t wilc_mac_xmit(struct sk_buff *skb, struct net_device *dev); - - int wilc_mac_open(struct net_device *ndev); - int wilc_mac_close(struct net_device *ndev); -diff --git a/drivers/staging/wlan-ng/p80211netdev.c b/drivers/staging/wlan-ng/p80211netdev.c -index 825a63a..af108c3 100644 ---- a/drivers/staging/wlan-ng/p80211netdev.c -+++ b/drivers/staging/wlan-ng/p80211netdev.c -@@ -94,7 +94,7 @@ - static int p80211knetdev_init(struct net_device *netdev); - static int p80211knetdev_open(struct net_device *netdev); - static int p80211knetdev_stop(struct net_device *netdev); --static int p80211knetdev_hard_start_xmit(struct sk_buff *skb, -+static netdev_tx_t p80211knetdev_hard_start_xmit(struct sk_buff *skb, - struct net_device *netdev); - static void p80211knetdev_set_multicast_list(struct net_device *dev); - static int p80211knetdev_do_ioctl(struct net_device *dev, struct ifreq *ifr, -@@ -317,7 +317,7 @@ static void p80211netdev_rx_bh(unsigned long arg) - * Returns: - * zero on success, non-zero on failure. - ----------------------------------------------------------------*/ --static int p80211knetdev_hard_start_xmit(struct sk_buff *skb, -+static netdev_tx_t p80211knetdev_hard_start_xmit(struct sk_buff *skb, - struct net_device *netdev) - { - int result = 0; -diff --git a/drivers/target/sbp/sbp_target.c b/drivers/target/sbp/sbp_target.c -index 6ca388e..5ef4426 100644 ---- a/drivers/target/sbp/sbp_target.c -+++ b/drivers/target/sbp/sbp_target.c -@@ -56,7 +56,7 @@ static const u32 sbp_unit_directory_template[] = { - - #define SESSION_MAINTENANCE_INTERVAL HZ - --static atomic_t login_id = ATOMIC_INIT(0); -+static atomic_unchecked_t login_id = ATOMIC_INIT(0); - - static void session_maintenance_work(struct work_struct *); - static int sbp_run_transaction(struct fw_card *, int, int, int, int, -@@ -422,7 +422,7 @@ static void sbp_management_request_login( - login->login_lun = unpacked_lun; - login->status_fifo_addr = sbp2_pointer_to_addr(&req->orb.status_fifo); - login->exclusive = LOGIN_ORB_EXCLUSIVE(be32_to_cpu(req->orb.misc)); -- login->login_id = atomic_inc_return(&login_id); -+ login->login_id = atomic_inc_return_unchecked(&login_id); - - login->tgt_agt = sbp_target_agent_register(login); - if (IS_ERR(login->tgt_agt)) { -diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c -index 81631b1..b10aa5e 100644 ---- a/drivers/thermal/devfreq_cooling.c -+++ b/drivers/thermal/devfreq_cooling.c -@@ -363,6 +363,15 @@ static struct thermal_cooling_device_ops devfreq_cooling_ops = { - .set_cur_state = devfreq_cooling_set_cur_state, - }; - -+static struct thermal_cooling_device_ops devfreq_cooling_power_ops = { -+ .get_max_state = devfreq_cooling_get_max_state, -+ .get_cur_state = devfreq_cooling_get_cur_state, -+ .set_cur_state = devfreq_cooling_set_cur_state, -+ .get_requested_power = devfreq_cooling_get_requested_power, -+ .state2power = devfreq_cooling_state2power, -+ .power2state = devfreq_cooling_power2state, -+}; -+ - /** - * devfreq_cooling_gen_tables() - Generate power and freq tables. - * @dfc: Pointer to devfreq cooling device. -@@ -482,15 +491,9 @@ of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df, - - dfc->devfreq = df; - -- if (dfc_power) { -+ if (dfc_power) - dfc->power_ops = dfc_power; - -- devfreq_cooling_ops.get_requested_power = -- devfreq_cooling_get_requested_power; -- devfreq_cooling_ops.state2power = devfreq_cooling_state2power; -- devfreq_cooling_ops.power2state = devfreq_cooling_power2state; -- } -- - err = devfreq_cooling_gen_tables(dfc); - if (err) - goto free_dfc; -@@ -502,7 +505,7 @@ of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df, - snprintf(dev_name, sizeof(dev_name), "thermal-devfreq-%d", dfc->id); - - cdev = thermal_of_cooling_device_register(np, dev_name, dfc, -- &devfreq_cooling_ops); -+ dfc_power ? &devfreq_cooling_power_ops : &devfreq_cooling_ops); - if (IS_ERR(cdev)) { - err = PTR_ERR(cdev); - dev_err(df->dev.parent, -diff --git a/drivers/thermal/int340x_thermal/int3400_thermal.c b/drivers/thermal/int340x_thermal/int3400_thermal.c -index 5836e55..708bbd6 100644 ---- a/drivers/thermal/int340x_thermal/int3400_thermal.c -+++ b/drivers/thermal/int340x_thermal/int3400_thermal.c -@@ -272,8 +272,10 @@ static int int3400_thermal_probe(struct platform_device *pdev) - platform_set_drvdata(pdev, priv); - - if (priv->uuid_bitmap & 1 << INT3400_THERMAL_PASSIVE_1) { -- int3400_thermal_ops.get_mode = int3400_thermal_get_mode; -- int3400_thermal_ops.set_mode = int3400_thermal_set_mode; -+ pax_open_kernel(); -+ const_cast(int3400_thermal_ops.get_mode) = int3400_thermal_get_mode; -+ const_cast(int3400_thermal_ops.set_mode) = int3400_thermal_set_mode; -+ pax_close_kernel(); - } - priv->thermal = thermal_zone_device_register("INT3400 Thermal", 0, 0, - priv, &int3400_thermal_ops, -diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c -index d04ec3b..3fef6c1 100644 ---- a/drivers/thermal/of-thermal.c -+++ b/drivers/thermal/of-thermal.c -@@ -31,6 +31,7 @@ - #include - #include - #include -+#include - - #include "thermal_core.h" - -@@ -419,18 +420,20 @@ thermal_zone_of_add_sensor(struct device_node *zone, - tz->ops = ops; - tz->sensor_data = data; - -- tzd->ops->get_temp = of_thermal_get_temp; -- tzd->ops->get_trend = of_thermal_get_trend; -+ pax_open_kernel(); -+ const_cast(tzd->ops->get_temp) = of_thermal_get_temp; -+ const_cast(tzd->ops->get_trend) = of_thermal_get_trend; - - /* - * The thermal zone core will calculate the window if they have set the - * optional set_trips pointer. - */ - if (ops->set_trips) -- tzd->ops->set_trips = of_thermal_set_trips; -+ const_cast(tzd->ops->set_trips) = of_thermal_set_trips; - - if (ops->set_emul_temp) -- tzd->ops->set_emul_temp = of_thermal_set_emul_temp; -+ const_cast(tzd->ops->set_emul_temp) = of_thermal_set_emul_temp; -+ pax_close_kernel(); - - mutex_unlock(&tzd->lock); - -@@ -557,9 +560,11 @@ void thermal_zone_of_sensor_unregister(struct device *dev, - return; - - mutex_lock(&tzd->lock); -- tzd->ops->get_temp = NULL; -- tzd->ops->get_trend = NULL; -- tzd->ops->set_emul_temp = NULL; -+ pax_open_kernel(); -+ const_cast(tzd->ops->get_temp) = NULL; -+ const_cast(tzd->ops->get_trend) = NULL; -+ const_cast(tzd->ops->set_emul_temp) = NULL; -+ pax_close_kernel(); - - tz->ops = NULL; - tz->sensor_data = NULL; -diff --git a/drivers/thermal/x86_pkg_temp_thermal.c b/drivers/thermal/x86_pkg_temp_thermal.c -index 95f4c1b..98efc0d 100644 ---- a/drivers/thermal/x86_pkg_temp_thermal.c -+++ b/drivers/thermal/x86_pkg_temp_thermal.c -@@ -568,7 +568,7 @@ static int pkg_temp_thermal_cpu_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block pkg_temp_thermal_notifier __refdata = { -+static struct notifier_block pkg_temp_thermal_notifier = { - .notifier_call = pkg_temp_thermal_cpu_callback, - }; - -diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c -index 208f573..32c03b7 100644 ---- a/drivers/tty/amiserial.c -+++ b/drivers/tty/amiserial.c -@@ -1489,7 +1489,7 @@ static void rs_hangup(struct tty_struct *tty) - - rs_flush_buffer(tty); - shutdown(tty, info); -- info->tport.count = 0; -+ atomic_set(&info->tport.count, 0); - tty_port_set_active(&info->tport, 0); - info->tport.tty = NULL; - wake_up_interruptible(&info->tport.open_wait); -@@ -1507,7 +1507,7 @@ static int rs_open(struct tty_struct *tty, struct file * filp) - struct tty_port *port = &info->tport; - int retval; - -- port->count++; -+ atomic_inc(&port->count); - port->tty = tty; - tty->driver_data = info; - tty->port = port; -diff --git a/drivers/tty/bfin_jtag_comm.c b/drivers/tty/bfin_jtag_comm.c -index ce24182..a68ebf3 100644 ---- a/drivers/tty/bfin_jtag_comm.c -+++ b/drivers/tty/bfin_jtag_comm.c -@@ -143,7 +143,7 @@ bfin_jc_open(struct tty_struct *tty, struct file *filp) - unsigned long flags; - - spin_lock_irqsave(&port.lock, flags); -- port.count++; -+ atomic_inc(&port.count); - spin_unlock_irqrestore(&port.lock, flags); - tty_port_tty_set(&port, tty); - wake_up_process(bfin_jc_kthread); -@@ -157,7 +157,7 @@ bfin_jc_close(struct tty_struct *tty, struct file *filp) - bool last; - - spin_lock_irqsave(&port.lock, flags); -- last = --port.count == 0; -+ last = atomic_dec_and_test(&port.count); - spin_unlock_irqrestore(&port.lock, flags); - if (last) - tty_port_tty_set(&port, NULL); -diff --git a/drivers/tty/cyclades.c b/drivers/tty/cyclades.c -index 5e4fa92..4a5b883 100644 ---- a/drivers/tty/cyclades.c -+++ b/drivers/tty/cyclades.c -@@ -1566,12 +1566,12 @@ static int cy_open(struct tty_struct *tty, struct file *filp) - - #ifdef CY_DEBUG_OPEN - printk(KERN_DEBUG "cyc:cy_open ttyC%d, count = %d\n", info->line, -- info->port.count); -+ atomic_read(&info->port.count)); - #endif -- info->port.count++; -+ atomic_inc(&info->port.count); - #ifdef CY_DEBUG_COUNT - printk(KERN_DEBUG "cyc:cy_open (%d): incrementing count to %d\n", -- current->pid, info->port.count); -+ current->pid, atomic_read(&info->port.count)); - #endif - - /* -@@ -3947,7 +3947,7 @@ static int cyclades_proc_show(struct seq_file *m, void *v) - for (j = 0; j < cy_card[i].nports; j++) { - info = &cy_card[i].ports[j]; - -- if (info->port.count) { -+ if (atomic_read(&info->port.count)) { - /* XXX is the ldisc num worth this? */ - struct tty_struct *tty; - struct tty_ldisc *ld; -diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c -index ce86487..c643376 100644 ---- a/drivers/tty/hvc/hvc_console.c -+++ b/drivers/tty/hvc/hvc_console.c -@@ -143,7 +143,9 @@ static uint32_t vtermnos[MAX_NR_HVC_CONSOLES] = - static void hvc_console_print(struct console *co, const char *b, - unsigned count) - { -- char c[N_OUTBUF] __ALIGNED__; -+ char c_stack[N_OUTBUF] __ALIGNED__; -+ char *c_alloc = NULL; -+ char *c; - unsigned i = 0, n = 0; - int r, donecr = 0, index = co->index; - -@@ -155,8 +157,13 @@ static void hvc_console_print(struct console *co, const char *b, - if (vtermnos[index] == -1) - return; - -+ if (slab_is_available()) -+ c = c_alloc = kmalloc(N_OUTBUF, GFP_ATOMIC); -+ else -+ c = c_stack; -+ - while (count > 0 || i > 0) { -- if (count > 0 && i < sizeof(c)) { -+ if (count > 0 && i < sizeof(c_stack)) { - if (b[n] == '\n' && !donecr) { - c[i++] = '\r'; - donecr = 1; -@@ -179,6 +186,8 @@ static void hvc_console_print(struct console *co, const char *b, - } - } - } -+ -+ kfree(c_alloc); - } - - static struct tty_driver *hvc_console_device(struct console *c, int *index) -@@ -343,7 +352,7 @@ static int hvc_open(struct tty_struct *tty, struct file * filp) - - spin_lock_irqsave(&hp->port.lock, flags); - /* Check and then increment for fast path open. */ -- if (hp->port.count++ > 0) { -+ if (atomic_inc_return(&hp->port.count) > 1) { - spin_unlock_irqrestore(&hp->port.lock, flags); - hvc_kick(); - return 0; -@@ -398,7 +407,7 @@ static void hvc_close(struct tty_struct *tty, struct file * filp) - - spin_lock_irqsave(&hp->port.lock, flags); - -- if (--hp->port.count == 0) { -+ if (atomic_dec_return(&hp->port.count) == 0) { - spin_unlock_irqrestore(&hp->port.lock, flags); - /* We are done with the tty pointer now. */ - tty_port_tty_set(&hp->port, NULL); -@@ -420,9 +429,9 @@ static void hvc_close(struct tty_struct *tty, struct file * filp) - */ - tty_wait_until_sent(tty, HVC_CLOSE_WAIT); - } else { -- if (hp->port.count < 0) -+ if (atomic_read(&hp->port.count) < 0) - printk(KERN_ERR "hvc_close %X: oops, count is %d\n", -- hp->vtermno, hp->port.count); -+ hp->vtermno, atomic_read(&hp->port.count)); - spin_unlock_irqrestore(&hp->port.lock, flags); - } - } -@@ -452,12 +461,12 @@ static void hvc_hangup(struct tty_struct *tty) - * open->hangup case this can be called after the final close so prevent - * that from happening for now. - */ -- if (hp->port.count <= 0) { -+ if (atomic_read(&hp->port.count) <= 0) { - spin_unlock_irqrestore(&hp->port.lock, flags); - return; - } - -- hp->port.count = 0; -+ atomic_set(&hp->port.count, 0); - spin_unlock_irqrestore(&hp->port.lock, flags); - tty_port_tty_set(&hp->port, NULL); - -@@ -505,7 +514,7 @@ static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count - return -EPIPE; - - /* FIXME what's this (unprotected) check for? */ -- if (hp->port.count <= 0) -+ if (atomic_read(&hp->port.count) <= 0) - return -EIO; - - spin_lock_irqsave(&hp->lock, flags); -diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c -index 3c4d7c2..3410b86 100644 ---- a/drivers/tty/hvc/hvcs.c -+++ b/drivers/tty/hvc/hvcs.c -@@ -83,6 +83,7 @@ - #include - #include - #include -+#include - - /* - * 1.3.0 -> 1.3.1 In hvcs_open memset(..,0x00,..) instead of memset(..,0x3F,00). -@@ -416,7 +417,7 @@ static ssize_t hvcs_vterm_state_store(struct device *dev, struct device_attribut - - spin_lock_irqsave(&hvcsd->lock, flags); - -- if (hvcsd->port.count > 0) { -+ if (atomic_read(&hvcsd->port.count) > 0) { - spin_unlock_irqrestore(&hvcsd->lock, flags); - printk(KERN_INFO "HVCS: vterm state unchanged. " - "The hvcs device node is still in use.\n"); -@@ -1127,7 +1128,7 @@ static int hvcs_install(struct tty_driver *driver, struct tty_struct *tty) - } - } - -- hvcsd->port.count = 0; -+ atomic_set(&hvcsd->port.count, 0); - hvcsd->port.tty = tty; - tty->driver_data = hvcsd; - -@@ -1180,7 +1181,7 @@ static int hvcs_open(struct tty_struct *tty, struct file *filp) - unsigned long flags; - - spin_lock_irqsave(&hvcsd->lock, flags); -- hvcsd->port.count++; -+ atomic_inc(&hvcsd->port.count); - hvcsd->todo_mask |= HVCS_SCHED_READ; - spin_unlock_irqrestore(&hvcsd->lock, flags); - -@@ -1216,7 +1217,7 @@ static void hvcs_close(struct tty_struct *tty, struct file *filp) - hvcsd = tty->driver_data; - - spin_lock_irqsave(&hvcsd->lock, flags); -- if (--hvcsd->port.count == 0) { -+ if (atomic_dec_and_test(&hvcsd->port.count)) { - - vio_disable_interrupts(hvcsd->vdev); - -@@ -1241,10 +1242,10 @@ static void hvcs_close(struct tty_struct *tty, struct file *filp) - - free_irq(irq, hvcsd); - return; -- } else if (hvcsd->port.count < 0) { -+ } else if (atomic_read(&hvcsd->port.count) < 0) { - printk(KERN_ERR "HVCS: vty-server@%X open_count: %d" - " is missmanaged.\n", -- hvcsd->vdev->unit_address, hvcsd->port.count); -+ hvcsd->vdev->unit_address, atomic_read(&hvcsd->port.count)); - } - - spin_unlock_irqrestore(&hvcsd->lock, flags); -@@ -1266,7 +1267,7 @@ static void hvcs_hangup(struct tty_struct * tty) - - spin_lock_irqsave(&hvcsd->lock, flags); - /* Preserve this so that we know how many kref refs to put */ -- temp_open_count = hvcsd->port.count; -+ temp_open_count = atomic_read(&hvcsd->port.count); - - /* - * Don't kref put inside the spinlock because the destruction -@@ -1281,7 +1282,7 @@ static void hvcs_hangup(struct tty_struct * tty) - tty->driver_data = NULL; - hvcsd->port.tty = NULL; - -- hvcsd->port.count = 0; -+ atomic_set(&hvcsd->port.count, 0); - - /* This will drop any buffered data on the floor which is OK in a hangup - * scenario. */ -@@ -1352,7 +1353,7 @@ static int hvcs_write(struct tty_struct *tty, - * the middle of a write operation? This is a crummy place to do this - * but we want to keep it all in the spinlock. - */ -- if (hvcsd->port.count <= 0) { -+ if (atomic_read(&hvcsd->port.count) <= 0) { - spin_unlock_irqrestore(&hvcsd->lock, flags); - return -ENODEV; - } -@@ -1426,7 +1427,7 @@ static int hvcs_write_room(struct tty_struct *tty) - { - struct hvcs_struct *hvcsd = tty->driver_data; - -- if (!hvcsd || hvcsd->port.count <= 0) -+ if (!hvcsd || atomic_read(&hvcsd->port.count) <= 0) - return 0; - - return HVCS_BUFF_LEN - hvcsd->chars_in_buffer; -diff --git a/drivers/tty/hvc/hvsi.c b/drivers/tty/hvc/hvsi.c -index 96ce6bd..208f20a 100644 ---- a/drivers/tty/hvc/hvsi.c -+++ b/drivers/tty/hvc/hvsi.c -@@ -85,7 +85,7 @@ struct hvsi_struct { - int n_outbuf; - uint32_t vtermno; - uint32_t virq; -- atomic_t seqno; /* HVSI packet sequence number */ -+ atomic_unchecked_t seqno; /* HVSI packet sequence number */ - uint16_t mctrl; - uint8_t state; /* HVSI protocol state */ - uint8_t flags; -@@ -297,7 +297,7 @@ static int hvsi_version_respond(struct hvsi_struct *hp, uint16_t query_seqno) - - packet.hdr.type = VS_QUERY_RESPONSE_PACKET_HEADER; - packet.hdr.len = sizeof(struct hvsi_query_response); -- packet.hdr.seqno = cpu_to_be16(atomic_inc_return(&hp->seqno)); -+ packet.hdr.seqno = cpu_to_be16(atomic_inc_return_unchecked(&hp->seqno)); - packet.verb = cpu_to_be16(VSV_SEND_VERSION_NUMBER); - packet.u.version = HVSI_VERSION; - packet.query_seqno = cpu_to_be16(query_seqno+1); -@@ -557,7 +557,7 @@ static int hvsi_query(struct hvsi_struct *hp, uint16_t verb) - - packet.hdr.type = VS_QUERY_PACKET_HEADER; - packet.hdr.len = sizeof(struct hvsi_query); -- packet.hdr.seqno = cpu_to_be16(atomic_inc_return(&hp->seqno)); -+ packet.hdr.seqno = cpu_to_be16(atomic_inc_return_unchecked(&hp->seqno)); - packet.verb = cpu_to_be16(verb); - - pr_debug("%s: sending %i bytes\n", __func__, packet.hdr.len); -@@ -599,7 +599,7 @@ static int hvsi_set_mctrl(struct hvsi_struct *hp, uint16_t mctrl) - int wrote; - - packet.hdr.type = VS_CONTROL_PACKET_HEADER; -- packet.hdr.seqno = cpu_to_be16(atomic_inc_return(&hp->seqno)); -+ packet.hdr.seqno = cpu_to_be16(atomic_inc_return_unchecked(&hp->seqno)); - packet.hdr.len = sizeof(struct hvsi_control); - packet.verb = cpu_to_be16(VSV_SET_MODEM_CTL); - packet.mask = cpu_to_be32(HVSI_TSDTR); -@@ -682,7 +682,7 @@ static int hvsi_put_chars(struct hvsi_struct *hp, const char *buf, int count) - BUG_ON(count > HVSI_MAX_OUTGOING_DATA); - - packet.hdr.type = VS_DATA_PACKET_HEADER; -- packet.hdr.seqno = cpu_to_be16(atomic_inc_return(&hp->seqno)); -+ packet.hdr.seqno = cpu_to_be16(atomic_inc_return_unchecked(&hp->seqno)); - packet.hdr.len = count + sizeof(struct hvsi_header); - memcpy(&packet.data, buf, count); - -@@ -699,7 +699,7 @@ static void hvsi_close_protocol(struct hvsi_struct *hp) - struct hvsi_control packet __ALIGNED__; - - packet.hdr.type = VS_CONTROL_PACKET_HEADER; -- packet.hdr.seqno = cpu_to_be16(atomic_inc_return(&hp->seqno)); -+ packet.hdr.seqno = cpu_to_be16(atomic_inc_return_unchecked(&hp->seqno)); - packet.hdr.len = 6; - packet.verb = cpu_to_be16(VSV_CLOSE_PROTOCOL); - -@@ -727,7 +727,7 @@ static int hvsi_open(struct tty_struct *tty, struct file *filp) - - tty_port_tty_set(&hp->port, tty); - spin_lock_irqsave(&hp->lock, flags); -- hp->port.count++; -+ atomic_inc(&hp->port.count); - atomic_set(&hp->seqno, 0); - h_vio_signal(hp->vtermno, VIO_IRQ_ENABLE); - spin_unlock_irqrestore(&hp->lock, flags); -@@ -784,7 +784,7 @@ static void hvsi_close(struct tty_struct *tty, struct file *filp) - - spin_lock_irqsave(&hp->lock, flags); - -- if (--hp->port.count == 0) { -+ if (atomic_dec_return(&hp->port.count) == 0) { - tty_port_tty_set(&hp->port, NULL); - hp->inbuf_end = hp->inbuf; /* discard remaining partial packets */ - -@@ -817,9 +817,9 @@ static void hvsi_close(struct tty_struct *tty, struct file *filp) - - spin_lock_irqsave(&hp->lock, flags); - } -- } else if (hp->port.count < 0) -+ } else if (atomic_read(&hp->port.count) < 0) - printk(KERN_ERR "hvsi_close %lu: oops, count is %d\n", -- hp - hvsi_ports, hp->port.count); -+ hp - hvsi_ports, atomic_read(&hp->port.count)); - - spin_unlock_irqrestore(&hp->lock, flags); - } -@@ -834,7 +834,7 @@ static void hvsi_hangup(struct tty_struct *tty) - tty_port_tty_set(&hp->port, NULL); - - spin_lock_irqsave(&hp->lock, flags); -- hp->port.count = 0; -+ atomic_set(&hp->port.count, 0); - hp->n_outbuf = 0; - spin_unlock_irqrestore(&hp->lock, flags); - } -diff --git a/drivers/tty/hvc/hvsi_lib.c b/drivers/tty/hvc/hvsi_lib.c -index a270f04..7c77b5d 100644 ---- a/drivers/tty/hvc/hvsi_lib.c -+++ b/drivers/tty/hvc/hvsi_lib.c -@@ -8,7 +8,7 @@ - - static int hvsi_send_packet(struct hvsi_priv *pv, struct hvsi_header *packet) - { -- packet->seqno = cpu_to_be16(atomic_inc_return(&pv->seqno)); -+ packet->seqno = cpu_to_be16(atomic_inc_return_unchecked(&pv->seqno)); - - /* Assumes that always succeeds, works in practice */ - return pv->put_chars(pv->termno, (char *)packet, packet->len); -@@ -20,7 +20,7 @@ static void hvsi_start_handshake(struct hvsi_priv *pv) - - /* Reset state */ - pv->established = 0; -- atomic_set(&pv->seqno, 0); -+ atomic_set_unchecked(&pv->seqno, 0); - - pr_devel("HVSI@%x: Handshaking started\n", pv->termno); - -diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c -index 2685d59..a63936a 100644 ---- a/drivers/tty/ipwireless/tty.c -+++ b/drivers/tty/ipwireless/tty.c -@@ -28,6 +28,7 @@ - #include - #include - #include -+#include - - #include "tty.h" - #include "network.h" -@@ -93,10 +94,10 @@ static int ipw_open(struct tty_struct *linux_tty, struct file *filp) - return -ENODEV; - - mutex_lock(&tty->ipw_tty_mutex); -- if (tty->port.count == 0) -+ if (atomic_read(&tty->port.count) == 0) - tty->tx_bytes_queued = 0; - -- tty->port.count++; -+ atomic_inc(&tty->port.count); - - tty->port.tty = linux_tty; - linux_tty->driver_data = tty; -@@ -112,9 +113,7 @@ static int ipw_open(struct tty_struct *linux_tty, struct file *filp) - - static void do_ipw_close(struct ipw_tty *tty) - { -- tty->port.count--; -- -- if (tty->port.count == 0) { -+ if (atomic_dec_return(&tty->port.count) == 0) { - struct tty_struct *linux_tty = tty->port.tty; - - if (linux_tty != NULL) { -@@ -135,7 +134,7 @@ static void ipw_hangup(struct tty_struct *linux_tty) - return; - - mutex_lock(&tty->ipw_tty_mutex); -- if (tty->port.count == 0) { -+ if (atomic_read(&tty->port.count) == 0) { - mutex_unlock(&tty->ipw_tty_mutex); - return; - } -@@ -158,7 +157,7 @@ void ipwireless_tty_received(struct ipw_tty *tty, unsigned char *data, - - mutex_lock(&tty->ipw_tty_mutex); - -- if (!tty->port.count) { -+ if (!atomic_read(&tty->port.count)) { - mutex_unlock(&tty->ipw_tty_mutex); - return; - } -@@ -197,7 +196,7 @@ static int ipw_write(struct tty_struct *linux_tty, - return -ENODEV; - - mutex_lock(&tty->ipw_tty_mutex); -- if (!tty->port.count) { -+ if (!atomic_read(&tty->port.count)) { - mutex_unlock(&tty->ipw_tty_mutex); - return -EINVAL; - } -@@ -237,7 +236,7 @@ static int ipw_write_room(struct tty_struct *linux_tty) - if (!tty) - return -ENODEV; - -- if (!tty->port.count) -+ if (!atomic_read(&tty->port.count)) - return -EINVAL; - - room = IPWIRELESS_TX_QUEUE_SIZE - tty->tx_bytes_queued; -@@ -270,7 +269,7 @@ static int ipw_chars_in_buffer(struct tty_struct *linux_tty) - if (!tty) - return 0; - -- if (!tty->port.count) -+ if (!atomic_read(&tty->port.count)) - return 0; - - return tty->tx_bytes_queued; -@@ -351,7 +350,7 @@ static int ipw_tiocmget(struct tty_struct *linux_tty) - if (!tty) - return -ENODEV; - -- if (!tty->port.count) -+ if (!atomic_read(&tty->port.count)) - return -EINVAL; - - return get_control_lines(tty); -@@ -367,7 +366,7 @@ ipw_tiocmset(struct tty_struct *linux_tty, - if (!tty) - return -ENODEV; - -- if (!tty->port.count) -+ if (!atomic_read(&tty->port.count)) - return -EINVAL; - - return set_control_lines(tty, set, clear); -@@ -381,7 +380,7 @@ static int ipw_ioctl(struct tty_struct *linux_tty, - if (!tty) - return -ENODEV; - -- if (!tty->port.count) -+ if (!atomic_read(&tty->port.count)) - return -EINVAL; - - /* FIXME: Exactly how is the tty object locked here .. */ -@@ -537,7 +536,7 @@ void ipwireless_tty_free(struct ipw_tty *tty) - * are gone */ - mutex_lock(&ttyj->ipw_tty_mutex); - } -- while (ttyj->port.count) -+ while (atomic_read(&ttyj->port.count)) - do_ipw_close(ttyj); - ipwireless_disassociate_network_ttys(network, - ttyj->channel_idx); -diff --git a/drivers/tty/mips_ejtag_fdc.c b/drivers/tty/mips_ejtag_fdc.c -index 234123b..2e2b1f7 100644 ---- a/drivers/tty/mips_ejtag_fdc.c -+++ b/drivers/tty/mips_ejtag_fdc.c -@@ -1258,7 +1258,7 @@ static void kgdbfdc_write_char(u8 chr) - kgdbfdc_push_one(); - } - --static struct kgdb_io kgdbfdc_io_ops = { -+static struct kgdb_io kgdbfdc_io_ops __read_only = { - .name = "kgdbfdc", - .read_char = kgdbfdc_read_char, - .write_char = kgdbfdc_write_char, -diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c -index 60d37b2..3d222ca 100644 ---- a/drivers/tty/moxa.c -+++ b/drivers/tty/moxa.c -@@ -1188,7 +1188,7 @@ static int moxa_open(struct tty_struct *tty, struct file *filp) - } - - ch = &brd->ports[port % MAX_PORTS_PER_BOARD]; -- ch->port.count++; -+ atomic_inc(&ch->port.count); - tty->driver_data = ch; - tty_port_tty_set(&ch->port, tty); - mutex_lock(&ch->port.mutex); -diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c -index 54cab59..3c05ac4 100644 ---- a/drivers/tty/n_gsm.c -+++ b/drivers/tty/n_gsm.c -@@ -1644,7 +1644,7 @@ static struct gsm_dlci *gsm_dlci_alloc(struct gsm_mux *gsm, int addr) - spin_lock_init(&dlci->lock); - mutex_init(&dlci->mutex); - dlci->fifo = &dlci->_fifo; -- if (kfifo_alloc(&dlci->_fifo, 4096, GFP_KERNEL) < 0) { -+ if (kfifo_alloc(&dlci->_fifo, 4096, GFP_KERNEL)) { - kfree(dlci); - return NULL; - } -@@ -2652,7 +2652,7 @@ static inline void muxnet_put(struct gsm_mux_net *mux_net) - kref_put(&mux_net->ref, net_free); - } - --static int gsm_mux_net_start_xmit(struct sk_buff *skb, -+static netdev_tx_t gsm_mux_net_start_xmit(struct sk_buff *skb, - struct net_device *net) - { - struct gsm_mux_net *mux_net = netdev_priv(net); -@@ -2943,7 +2943,7 @@ static int gsmtty_open(struct tty_struct *tty, struct file *filp) - struct gsm_dlci *dlci = tty->driver_data; - struct tty_port *port = &dlci->port; - -- port->count++; -+ atomic_inc(&port->count); - tty_port_tty_set(port, tty); - - dlci->modem_rx = 0; -diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c -index bdf0e6e..ea92f7e 100644 ---- a/drivers/tty/n_tty.c -+++ b/drivers/tty/n_tty.c -@@ -1478,7 +1478,7 @@ n_tty_receive_char_lnext(struct tty_struct *tty, unsigned char c, char flag) - - static void - n_tty_receive_buf_real_raw(struct tty_struct *tty, const unsigned char *cp, -- char *fp, int count) -+ char *fp, size_t count) - { - struct n_tty_data *ldata = tty->disc_data; - size_t n, head; -@@ -1498,7 +1498,7 @@ n_tty_receive_buf_real_raw(struct tty_struct *tty, const unsigned char *cp, - - static void - n_tty_receive_buf_raw(struct tty_struct *tty, const unsigned char *cp, -- char *fp, int count) -+ char *fp, size_t count) - { - struct n_tty_data *ldata = tty->disc_data; - char flag = TTY_NORMAL; -@@ -1515,7 +1515,7 @@ n_tty_receive_buf_raw(struct tty_struct *tty, const unsigned char *cp, - - static void - n_tty_receive_buf_closing(struct tty_struct *tty, const unsigned char *cp, -- char *fp, int count) -+ char *fp, size_t count) - { - char flag = TTY_NORMAL; - -@@ -1529,7 +1529,7 @@ n_tty_receive_buf_closing(struct tty_struct *tty, const unsigned char *cp, - - static void - n_tty_receive_buf_standard(struct tty_struct *tty, const unsigned char *cp, -- char *fp, int count) -+ char *fp, size_t count) - { - struct n_tty_data *ldata = tty->disc_data; - char flag = TTY_NORMAL; -@@ -1563,7 +1563,7 @@ n_tty_receive_buf_standard(struct tty_struct *tty, const unsigned char *cp, - - static void - n_tty_receive_buf_fast(struct tty_struct *tty, const unsigned char *cp, -- char *fp, int count) -+ char *fp, size_t count) - { - struct n_tty_data *ldata = tty->disc_data; - char flag = TTY_NORMAL; -@@ -1588,7 +1588,7 @@ n_tty_receive_buf_fast(struct tty_struct *tty, const unsigned char *cp, - } - - static void __receive_buf(struct tty_struct *tty, const unsigned char *cp, -- char *fp, int count) -+ char *fp, size_t count) - { - struct n_tty_data *ldata = tty->disc_data; - bool preops = I_ISTRIP(tty) || (I_IUCLC(tty) && L_IEXTEN(tty)); -@@ -1666,10 +1666,10 @@ static void __receive_buf(struct tty_struct *tty, const unsigned char *cp, - */ - static int - n_tty_receive_buf_common(struct tty_struct *tty, const unsigned char *cp, -- char *fp, int count, int flow) -+ char *fp, size_t count, int flow) - { - struct n_tty_data *ldata = tty->disc_data; -- int room, n, rcvd = 0, overflow; -+ size_t room, n, rcvd = 0, overflow; - - down_read(&tty->termios_rwsem); - -@@ -1692,15 +1692,16 @@ n_tty_receive_buf_common(struct tty_struct *tty, const unsigned char *cp, - room = N_TTY_BUF_SIZE - (ldata->read_head - tail); - if (I_PARMRK(tty)) - room = (room + 2) / 3; -- room--; -- if (room <= 0) { -+ if (room <= 1) { - overflow = ldata->icanon && ldata->canon_head == tail; -- if (overflow && room < 0) -+ if (overflow && room == 0) - ldata->read_head--; - room = overflow; - ldata->no_room = flow && !room; -- } else -+ } else { -+ room--; - overflow = 0; -+ } - - n = min(count, room); - if (!n) -@@ -2465,7 +2466,8 @@ void n_tty_inherit_ops(struct tty_ldisc_ops *ops) - { - *ops = n_tty_ops; - ops->owner = NULL; -- ops->refcount = ops->flags = 0; -+ atomic_set(&ops->refcount, 0); -+ ops->flags = 0; - } - EXPORT_SYMBOL_GPL(n_tty_inherit_ops); - -diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c -index a23fa5e..eff0d07 100644 ---- a/drivers/tty/pty.c -+++ b/drivers/tty/pty.c -@@ -800,7 +800,7 @@ static int ptmx_open(struct inode *inode, struct file *filp) - return retval; - } - --static struct file_operations ptmx_fops __ro_after_init; -+static file_operations_no_const ptmx_fops __read_only; - - static void __init unix98_pty_init(void) - { -@@ -856,8 +856,10 @@ static void __init unix98_pty_init(void) - panic("Couldn't register Unix98 pts driver"); - - /* Now create the /dev/ptmx special device */ -+ pax_open_kernel(); - tty_default_fops(&ptmx_fops); -- ptmx_fops.open = ptmx_open; -+ const_cast(ptmx_fops.open) = ptmx_open; -+ pax_close_kernel(); - - cdev_init(&ptmx_cdev, &ptmx_fops); - if (cdev_add(&ptmx_cdev, MKDEV(TTYAUX_MAJOR, 2), 1) || -diff --git a/drivers/tty/rocket.c b/drivers/tty/rocket.c -index b0cc47c..daeb183 100644 ---- a/drivers/tty/rocket.c -+++ b/drivers/tty/rocket.c -@@ -906,7 +906,7 @@ static int rp_open(struct tty_struct *tty, struct file *filp) - tty->driver_data = info; - tty_port_tty_set(port, tty); - -- if (port->count++ == 0) { -+ if (atomic_inc_return(&port->count) == 1) { - atomic_inc(&rp_num_ports_open); - - #ifdef ROCKET_DEBUG_OPEN -@@ -915,7 +915,7 @@ static int rp_open(struct tty_struct *tty, struct file *filp) - #endif - } - #ifdef ROCKET_DEBUG_OPEN -- printk(KERN_INFO "rp_open ttyR%d, count=%d\n", info->line, info->port.count); -+ printk(KERN_INFO "rp_open ttyR%d, count=%d\n", info->line, atomic_read(&info->port.count)); - #endif - - /* -@@ -992,7 +992,7 @@ static void rp_close(struct tty_struct *tty, struct file *filp) - return; - - #ifdef ROCKET_DEBUG_OPEN -- printk(KERN_INFO "rp_close ttyR%d, count = %d\n", info->line, info->port.count); -+ printk(KERN_INFO "rp_close ttyR%d, count = %d\n", info->line, atomic_read(&info->port.count)); - #endif - - if (tty_port_close_start(port, tty, filp) == 0) -@@ -1500,7 +1500,7 @@ static void rp_hangup(struct tty_struct *tty) - #endif - rp_flush_buffer(tty); - spin_lock_irqsave(&info->port.lock, flags); -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - atomic_dec(&rp_num_ports_open); - clear_bit((info->aiop * 8) + info->chan, (void *) &xmit_flags[info->board]); - spin_unlock_irqrestore(&info->port.lock, flags); -diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c -index e8819aa..33d2176 100644 ---- a/drivers/tty/serial/8250/8250_core.c -+++ b/drivers/tty/serial/8250/8250_core.c -@@ -488,9 +488,9 @@ static void univ8250_release_port(struct uart_port *port) - - static void univ8250_rsa_support(struct uart_ops *ops) - { -- ops->config_port = univ8250_config_port; -- ops->request_port = univ8250_request_port; -- ops->release_port = univ8250_release_port; -+ const_cast(ops->config_port) = univ8250_config_port; -+ const_cast(ops->request_port) = univ8250_request_port; -+ const_cast(ops->release_port) = univ8250_release_port; - } - - #else -@@ -533,8 +533,10 @@ static void __init serial8250_isa_init_ports(void) - } - - /* chain base port ops to support Remote Supervisor Adapter */ -- univ8250_port_ops = *base_ops; -+ pax_open_kernel(); -+ memcpy((void *)&univ8250_port_ops, base_ops, sizeof univ8250_port_ops); - univ8250_rsa_support(&univ8250_port_ops); -+ pax_close_kernel(); - - if (share_irqs) - irqflag = IRQF_SHARED; -diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c -index 6e3e636..9064253 100644 ---- a/drivers/tty/serial/8250/8250_pci.c -+++ b/drivers/tty/serial/8250/8250_pci.c -@@ -5588,7 +5588,7 @@ static struct pci_device_id serial_pci_tbl[] = { - }; - - static pci_ers_result_t serial8250_io_error_detected(struct pci_dev *dev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct serial_private *priv = pci_get_drvdata(dev); - -diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c -index 315c849..7a31884 100644 ---- a/drivers/tty/serial/crisv10.c -+++ b/drivers/tty/serial/crisv10.c -@@ -3255,7 +3255,7 @@ set_serial_info(struct e100_serial *info, - goto check_and_exit; - } - -- if (info->port.count > 1) -+ if (atomic_read(&info->port.count) > 1) - return -EBUSY; - - /* -@@ -3588,7 +3588,7 @@ rs_close(struct tty_struct *tty, struct file * filp) - printk("[%d] rs_close ttyS%d, count = %d\n", current->pid, - info->line, info->count); - #endif -- if ((tty->count == 1) && (info->port.count != 1)) { -+ if ((tty->count == 1) && (atomic_read(&info->port.count) != 1)) { - /* - * Uh, oh. tty->count is 1, which means that the tty - * structure will be freed. Info->count should always -@@ -3598,15 +3598,15 @@ rs_close(struct tty_struct *tty, struct file * filp) - */ - printk(KERN_ERR - "rs_close: bad serial port count; tty->count is 1, " -- "info->count is %d\n", info->port.count); -- info->port.count = 1; -+ "info->count is %d\n", atomic_read(&info->port.count)); -+ atomic_set(&info->port.count, 1); - } -- if (--info->port.count < 0) { -+ if (atomic_dec_return(&info->port.count) < 0) { - printk(KERN_ERR "rs_close: bad serial port count for ttyS%d: %d\n", -- info->line, info->port.count); -- info->port.count = 0; -+ info->line, atomic_read(&info->port.count)); -+ atomic_set(&info->port.count, 0); - } -- if (info->port.count) { -+ if (atomic_read(&info->port.count)) { - local_irq_restore(flags); - return; - } -@@ -3731,7 +3731,7 @@ rs_hangup(struct tty_struct *tty) - rs_flush_buffer(tty); - shutdown(info); - info->event = 0; -- info->port.count = 0; -+ atomic_set(&info->port.count, 0); - tty_port_set_active(&info->port, 0); - info->port.tty = NULL; - wake_up_interruptible(&info->port.open_wait); -@@ -3774,10 +3774,10 @@ block_til_ready(struct tty_struct *tty, struct file * filp, - add_wait_queue(&info->port.open_wait, &wait); - #ifdef SERIAL_DEBUG_OPEN - printk("block_til_ready before block: ttyS%d, count = %d\n", -- info->line, info->port.count); -+ info->line, atomic_read(&info->port.count)); - #endif - local_irq_save(flags); -- info->port.count--; -+ atomic_dec(&info->port.count); - local_irq_restore(flags); - info->port.blocked_open++; - while (1) { -@@ -3807,7 +3807,7 @@ block_til_ready(struct tty_struct *tty, struct file * filp, - } - #ifdef SERIAL_DEBUG_OPEN - printk("block_til_ready blocking: ttyS%d, count = %d\n", -- info->line, info->port.count); -+ info->line, atomic_read(&info->port.count)); - #endif - tty_unlock(tty); - schedule(); -@@ -3816,11 +3816,11 @@ block_til_ready(struct tty_struct *tty, struct file * filp, - set_current_state(TASK_RUNNING); - remove_wait_queue(&info->port.open_wait, &wait); - if (!tty_hung_up_p(filp)) -- info->port.count++; -+ atomic_inc(&info->port.count); - info->port.blocked_open--; - #ifdef SERIAL_DEBUG_OPEN - printk("block_til_ready after blocking: ttyS%d, count = %d\n", -- info->line, info->port.count); -+ info->line, atomic_read(&info->port.count)); - #endif - if (retval) - return retval; -@@ -3858,10 +3858,10 @@ rs_open(struct tty_struct *tty, struct file * filp) - - #ifdef SERIAL_DEBUG_OPEN - printk("[%d] rs_open %s, count = %d\n", current->pid, tty->name, -- info->port.count); -+ atomic_read(&info->port.count)); - #endif - -- info->port.count++; -+ atomic_inc(&info->port.count); - tty->driver_data = info; - info->port.tty = tty; - -@@ -3870,7 +3870,7 @@ rs_open(struct tty_struct *tty, struct file * filp) - /* - * If DMA is enabled try to allocate the irq's. - */ -- if (info->port.count == 1) { -+ if (atomic_read(&info->port.count) == 1) { - allocated_resources = 1; - if (info->dma_in_enabled) { - if (request_irq(info->dma_in_irq_nbr, -diff --git a/drivers/tty/serial/ioc4_serial.c b/drivers/tty/serial/ioc4_serial.c -index e5c42fe..f091b02 100644 ---- a/drivers/tty/serial/ioc4_serial.c -+++ b/drivers/tty/serial/ioc4_serial.c -@@ -437,7 +437,7 @@ struct ioc4_soft { - } is_intr_info[MAX_IOC4_INTR_ENTS]; - - /* Number of entries active in the above array */ -- atomic_t is_num_intrs; -+ atomic_unchecked_t is_num_intrs; - } is_intr_type[IOC4_NUM_INTR_TYPES]; - - /* is_ir_lock must be held while -@@ -974,7 +974,7 @@ intr_connect(struct ioc4_soft *soft, int type, - BUG_ON(!((type == IOC4_SIO_INTR_TYPE) - || (type == IOC4_OTHER_INTR_TYPE))); - -- i = atomic_inc_return(&soft-> is_intr_type[type].is_num_intrs) - 1; -+ i = atomic_inc_return_unchecked(&soft-> is_intr_type[type].is_num_intrs) - 1; - BUG_ON(!(i < MAX_IOC4_INTR_ENTS || (printk("i %d\n", i), 0))); - - /* Save off the lower level interrupt handler */ -@@ -1001,7 +1001,7 @@ static irqreturn_t ioc4_intr(int irq, void *arg) - - soft = arg; - for (intr_type = 0; intr_type < IOC4_NUM_INTR_TYPES; intr_type++) { -- num_intrs = (int)atomic_read( -+ num_intrs = (int)atomic_read_unchecked( - &soft->is_intr_type[intr_type].is_num_intrs); - - this_mir = this_ir = pending_intrs(soft, intr_type); -diff --git a/drivers/tty/serial/jsm/jsm_driver.c b/drivers/tty/serial/jsm/jsm_driver.c -index a119f11..120444e 100644 ---- a/drivers/tty/serial/jsm/jsm_driver.c -+++ b/drivers/tty/serial/jsm/jsm_driver.c -@@ -336,7 +336,7 @@ static struct pci_driver jsm_driver = { - }; - - static pci_ers_result_t jsm_io_error_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct jsm_board *brd = pci_get_drvdata(pdev); - -diff --git a/drivers/tty/serial/kgdb_nmi.c b/drivers/tty/serial/kgdb_nmi.c -index 117df15..8f7486f 100644 ---- a/drivers/tty/serial/kgdb_nmi.c -+++ b/drivers/tty/serial/kgdb_nmi.c -@@ -53,7 +53,9 @@ static int kgdb_nmi_console_setup(struct console *co, char *options) - * I/O utilities that messages sent to the console will automatically - * be displayed on the dbg_io. - */ -- dbg_io_ops->is_console = true; -+ pax_open_kernel(); -+ const_cast(dbg_io_ops->is_console) = true; -+ pax_close_kernel(); - - return 0; - } -diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c -index a260cde..c395165 100644 ---- a/drivers/tty/serial/kgdboc.c -+++ b/drivers/tty/serial/kgdboc.c -@@ -24,8 +24,9 @@ - #define MAX_CONFIG_LEN 40 - - static struct kgdb_io kgdboc_io_ops; -+static struct kgdb_io kgdboc_io_ops_console; - --/* -1 = init not run yet, 0 = unconfigured, 1 = configured. */ -+/* -1 = init not run yet, 0 = unconfigured, 1/2 = configured. */ - static int configured = -1; - - static char config[MAX_CONFIG_LEN]; -@@ -151,6 +152,8 @@ static void cleanup_kgdboc(void) - kgdboc_unregister_kbd(); - if (configured == 1) - kgdb_unregister_io_module(&kgdboc_io_ops); -+ else if (configured == 2) -+ kgdb_unregister_io_module(&kgdboc_io_ops_console); - } - - static int configure_kgdboc(void) -@@ -160,13 +163,13 @@ static int configure_kgdboc(void) - int err; - char *cptr = config; - struct console *cons; -+ int is_console = 0; - - err = kgdboc_option_setup(config); - if (err || !strlen(config) || isspace(config[0])) - goto noconfig; - - err = -ENODEV; -- kgdboc_io_ops.is_console = 0; - kgdb_tty_driver = NULL; - - kgdboc_use_kms = 0; -@@ -187,7 +190,7 @@ static int configure_kgdboc(void) - int idx; - if (cons->device && cons->device(cons, &idx) == p && - idx == tty_line) { -- kgdboc_io_ops.is_console = 1; -+ is_console = 1; - break; - } - cons = cons->next; -@@ -197,7 +200,13 @@ static int configure_kgdboc(void) - kgdb_tty_line = tty_line; - - do_register: -- err = kgdb_register_io_module(&kgdboc_io_ops); -+ if (is_console) { -+ err = kgdb_register_io_module(&kgdboc_io_ops_console); -+ configured = 2; -+ } else { -+ err = kgdb_register_io_module(&kgdboc_io_ops); -+ configured = 1; -+ } - if (err) - goto noconfig; - -@@ -205,8 +214,6 @@ static int configure_kgdboc(void) - if (err) - goto nmi_con_failed; - -- configured = 1; -- - return 0; - - nmi_con_failed: -@@ -223,7 +230,7 @@ static int configure_kgdboc(void) - static int __init init_kgdboc(void) - { - /* Already configured? */ -- if (configured == 1) -+ if (configured >= 1) - return 0; - - return configure_kgdboc(); -@@ -245,7 +252,7 @@ static void kgdboc_put_char(u8 chr) - kgdb_tty_line, chr); - } - --static int param_set_kgdboc_var(const char *kmessage, struct kernel_param *kp) -+static int param_set_kgdboc_var(const char *kmessage, const struct kernel_param *kp) - { - int len = strlen(kmessage); - -@@ -272,7 +279,7 @@ static int param_set_kgdboc_var(const char *kmessage, struct kernel_param *kp) - if (config[len - 1] == '\n') - config[len - 1] = '\0'; - -- if (configured == 1) -+ if (configured >= 1) - cleanup_kgdboc(); - - /* Go and configure with the new params. */ -@@ -304,7 +311,7 @@ static void kgdboc_post_exp_handler(void) - kgdboc_restore_input(); - } - --static struct kgdb_io kgdboc_io_ops = { -+static struct kgdb_io kgdboc_io_ops __read_only = { - .name = "kgdboc", - .read_char = kgdboc_get_char, - .write_char = kgdboc_put_char, -@@ -312,6 +319,15 @@ static struct kgdb_io kgdboc_io_ops = { - .post_exception = kgdboc_post_exp_handler, - }; - -+static struct kgdb_io kgdboc_io_ops_console __read_only = { -+ .name = "kgdboc", -+ .read_char = kgdboc_get_char, -+ .write_char = kgdboc_put_char, -+ .pre_exception = kgdboc_pre_exp_handler, -+ .post_exception = kgdboc_post_exp_handler, -+ .is_console = 1 -+}; -+ - #ifdef CONFIG_KGDB_SERIAL_CONSOLE - /* This is only available if kgdboc is a built in for early debugging */ - static int __init kgdboc_early_init(char *opt) -diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c -index 6788e75..16f20c5 100644 ---- a/drivers/tty/serial/msm_serial.c -+++ b/drivers/tty/serial/msm_serial.c -@@ -1726,7 +1726,7 @@ static struct uart_driver msm_uart_driver = { - .cons = MSM_CONSOLE, - }; - --static atomic_t msm_uart_next_id = ATOMIC_INIT(0); -+static atomic_unchecked_t msm_uart_next_id = ATOMIC_INIT(0); - - static const struct of_device_id msm_uartdm_table[] = { - { .compatible = "qcom,msm-uartdm-v1.1", .data = (void *)UARTDM_1P1 }, -@@ -1750,7 +1750,7 @@ static int msm_serial_probe(struct platform_device *pdev) - line = pdev->id; - - if (line < 0) -- line = atomic_inc_return(&msm_uart_next_id) - 1; -+ line = atomic_inc_return_unchecked(&msm_uart_next_id) - 1; - - if (unlikely(line < 0 || line >= UART_NR)) - return -ENXIO; -diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c -index 3e2ef4f..99a9351 100644 ---- a/drivers/tty/serial/samsung.c -+++ b/drivers/tty/serial/samsung.c -@@ -976,11 +976,16 @@ static void s3c24xx_serial_shutdown(struct uart_port *port) - ourport->tx_in_progress = 0; - } - -+static int s3c64xx_serial_startup(struct uart_port *port); - static int s3c24xx_serial_startup(struct uart_port *port) - { - struct s3c24xx_uart_port *ourport = to_ourport(port); - int ret; - -+ /* Startup sequence is different for s3c64xx and higher SoC's */ -+ if (s3c24xx_serial_has_interrupt_mask(port)) -+ return s3c64xx_serial_startup(port); -+ - dbg("s3c24xx_serial_startup: port=%p (%08llx,%p)\n", - port, (unsigned long long)port->mapbase, port->membase); - -@@ -1689,10 +1694,6 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport, - /* setup info for port */ - port->dev = &platdev->dev; - -- /* Startup sequence is different for s3c64xx and higher SoC's */ -- if (s3c24xx_serial_has_interrupt_mask(port)) -- s3c24xx_serial_ops.startup = s3c64xx_serial_startup; -- - port->uartclk = 1; - - if (cfg->uart_flags & UPF_CONS_FLOW) { -diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c -index f2303f3..e67c477 100644 ---- a/drivers/tty/serial/serial_core.c -+++ b/drivers/tty/serial/serial_core.c -@@ -1468,7 +1468,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp) - state = drv->state + tty->index; - port = &state->port; - spin_lock_irq(&port->lock); -- --port->count; -+ atomic_dec(&port->count); - spin_unlock_irq(&port->lock); - return; - } -@@ -1589,7 +1589,7 @@ static void uart_hangup(struct tty_struct *tty) - uart_flush_buffer(tty); - uart_shutdown(tty, state); - spin_lock_irqsave(&port->lock, flags); -- port->count = 0; -+ atomic_set(&port->count, 0); - spin_unlock_irqrestore(&port->lock, flags); - tty_port_set_active(port, 0); - tty_port_tty_set(port, NULL); -diff --git a/drivers/tty/synclink.c b/drivers/tty/synclink.c -index c13e27e..335a512 100644 ---- a/drivers/tty/synclink.c -+++ b/drivers/tty/synclink.c -@@ -3075,7 +3075,7 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp) - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):mgsl_close(%s) entry, count=%d\n", -- __FILE__,__LINE__, info->device_name, info->port.count); -+ __FILE__,__LINE__, info->device_name, atomic_read(&info->port.count)); - - if (tty_port_close_start(&info->port, tty, filp) == 0) - goto cleanup; -@@ -3093,7 +3093,7 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp) - cleanup: - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):mgsl_close(%s) exit, count=%d\n", __FILE__,__LINE__, -- tty->driver->name, info->port.count); -+ tty->driver->name, atomic_read(&info->port.count)); - - } /* end of mgsl_close() */ - -@@ -3192,8 +3192,8 @@ static void mgsl_hangup(struct tty_struct *tty) - - mgsl_flush_buffer(tty); - shutdown(info); -- -- info->port.count = 0; -+ -+ atomic_set(&info->port.count, 0); - tty_port_set_active(&info->port, 0); - info->port.tty = NULL; - -@@ -3281,10 +3281,10 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):block_til_ready before block on %s count=%d\n", -- __FILE__,__LINE__, tty->driver->name, port->count ); -+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count)); - - spin_lock_irqsave(&info->irq_spinlock, flags); -- port->count--; -+ atomic_dec(&port->count); - spin_unlock_irqrestore(&info->irq_spinlock, flags); - port->blocked_open++; - -@@ -3311,7 +3311,7 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):block_til_ready blocking on %s count=%d\n", -- __FILE__,__LINE__, tty->driver->name, port->count ); -+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count)); - - tty_unlock(tty); - schedule(); -@@ -3323,12 +3323,12 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, - - /* FIXME: Racy on hangup during close wait */ - if (!tty_hung_up_p(filp)) -- port->count++; -+ atomic_inc(&port->count); - port->blocked_open--; - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):block_til_ready after blocking on %s count=%d\n", -- __FILE__,__LINE__, tty->driver->name, port->count ); -+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count)); - - if (!retval) - tty_port_set_active(port, 1); -@@ -3380,7 +3380,7 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp) - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):mgsl_open(%s), old ref count = %d\n", -- __FILE__,__LINE__,tty->driver->name, info->port.count); -+ __FILE__,__LINE__,tty->driver->name, atomic_read(&info->port.count)); - - info->port.low_latency = (info->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0; - -@@ -3390,10 +3390,10 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp) - spin_unlock_irqrestore(&info->netlock, flags); - goto cleanup; - } -- info->port.count++; -+ atomic_inc(&info->port.count); - spin_unlock_irqrestore(&info->netlock, flags); - -- if (info->port.count == 1) { -+ if (atomic_read(&info->port.count) == 1) { - /* 1st open on this device, init hardware */ - retval = startup(info); - if (retval < 0) -@@ -3417,8 +3417,8 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp) - if (retval) { - if (tty->count == 1) - info->port.tty = NULL; /* tty layer will release tty struct */ -- if(info->port.count) -- info->port.count--; -+ if (atomic_read(&info->port.count)) -+ atomic_dec(&info->port.count); - } - - return retval; -@@ -7637,7 +7637,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding, - unsigned short new_crctype; - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - switch (encoding) -@@ -7733,7 +7733,7 @@ static int hdlcdev_open(struct net_device *dev) - - /* arbitrate between network and tty opens */ - spin_lock_irqsave(&info->netlock, flags); -- if (info->port.count != 0 || info->netcount != 0) { -+ if (atomic_read(&info->port.count) != 0 || info->netcount != 0) { - printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name); - spin_unlock_irqrestore(&info->netlock, flags); - return -EBUSY; -@@ -7819,7 +7819,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) - printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name); - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - if (cmd != SIOCWANDEV) -diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c -index 7aca2d4..45a7121 100644 ---- a/drivers/tty/synclink_gt.c -+++ b/drivers/tty/synclink_gt.c -@@ -670,7 +670,7 @@ static int open(struct tty_struct *tty, struct file *filp) - tty->driver_data = info; - info->port.tty = tty; - -- DBGINFO(("%s open, old ref count = %d\n", info->device_name, info->port.count)); -+ DBGINFO(("%s open, old ref count = %d\n", info->device_name, atomic_read(&info->port.count))); - - mutex_lock(&info->port.mutex); - info->port.low_latency = (info->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0; -@@ -682,10 +682,10 @@ static int open(struct tty_struct *tty, struct file *filp) - mutex_unlock(&info->port.mutex); - goto cleanup; - } -- info->port.count++; -+ atomic_inc(&info->port.count); - spin_unlock_irqrestore(&info->netlock, flags); - -- if (info->port.count == 1) { -+ if (atomic_read(&info->port.count) == 1) { - /* 1st open on this device, init hardware */ - retval = startup(info); - if (retval < 0) { -@@ -706,8 +706,8 @@ static int open(struct tty_struct *tty, struct file *filp) - if (retval) { - if (tty->count == 1) - info->port.tty = NULL; /* tty layer will release tty struct */ -- if(info->port.count) -- info->port.count--; -+ if(atomic_read(&info->port.count)) -+ atomic_dec(&info->port.count); - } - - DBGINFO(("%s open rc=%d\n", info->device_name, retval)); -@@ -720,7 +720,7 @@ static void close(struct tty_struct *tty, struct file *filp) - - if (sanity_check(info, tty->name, "close")) - return; -- DBGINFO(("%s close entry, count=%d\n", info->device_name, info->port.count)); -+ DBGINFO(("%s close entry, count=%d\n", info->device_name, atomic_read(&info->port.count))); - - if (tty_port_close_start(&info->port, tty, filp) == 0) - goto cleanup; -@@ -737,7 +737,7 @@ static void close(struct tty_struct *tty, struct file *filp) - tty_port_close_end(&info->port, tty); - info->port.tty = NULL; - cleanup: -- DBGINFO(("%s close exit, count=%d\n", tty->driver->name, info->port.count)); -+ DBGINFO(("%s close exit, count=%d\n", tty->driver->name, atomic_read(&info->port.count))); - } - - static void hangup(struct tty_struct *tty) -@@ -755,7 +755,7 @@ static void hangup(struct tty_struct *tty) - shutdown(info); - - spin_lock_irqsave(&info->port.lock, flags); -- info->port.count = 0; -+ atomic_set(&info->port.count, 0); - info->port.tty = NULL; - spin_unlock_irqrestore(&info->port.lock, flags); - tty_port_set_active(&info->port, 0); -@@ -1435,7 +1435,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding, - unsigned short new_crctype; - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - DBGINFO(("%s hdlcdev_attach\n", info->device_name)); -@@ -1531,7 +1531,7 @@ static int hdlcdev_open(struct net_device *dev) - - /* arbitrate between network and tty opens */ - spin_lock_irqsave(&info->netlock, flags); -- if (info->port.count != 0 || info->netcount != 0) { -+ if (atomic_read(&info->port.count) != 0 || info->netcount != 0) { - DBGINFO(("%s hdlc_open busy\n", dev->name)); - spin_unlock_irqrestore(&info->netlock, flags); - return -EBUSY; -@@ -1616,7 +1616,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) - DBGINFO(("%s hdlcdev_ioctl\n", dev->name)); - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - if (cmd != SIOCWANDEV) -@@ -2403,7 +2403,7 @@ static irqreturn_t slgt_interrupt(int dummy, void *dev_id) - if (port == NULL) - continue; - spin_lock(&port->lock); -- if ((port->port.count || port->netcount) && -+ if ((atomic_read(&port->port.count) || port->netcount) && - port->pending_bh && !port->bh_running && - !port->bh_requested) { - DBGISR(("%s bh queued\n", port->device_name)); -@@ -3282,7 +3282,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, - add_wait_queue(&port->open_wait, &wait); - - spin_lock_irqsave(&info->lock, flags); -- port->count--; -+ atomic_dec(&port->count); - spin_unlock_irqrestore(&info->lock, flags); - port->blocked_open++; - -@@ -3317,7 +3317,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, - remove_wait_queue(&port->open_wait, &wait); - - if (!tty_hung_up_p(filp)) -- port->count++; -+ atomic_inc(&port->count); - port->blocked_open--; - - if (!retval) -diff --git a/drivers/tty/synclinkmp.c b/drivers/tty/synclinkmp.c -index dec1565..bbf9fcc 100644 ---- a/drivers/tty/synclinkmp.c -+++ b/drivers/tty/synclinkmp.c -@@ -750,7 +750,7 @@ static int open(struct tty_struct *tty, struct file *filp) - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):%s open(), old ref count = %d\n", -- __FILE__,__LINE__,tty->driver->name, info->port.count); -+ __FILE__,__LINE__,tty->driver->name, atomic_read(&info->port.count)); - - info->port.low_latency = (info->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0; - -@@ -760,10 +760,10 @@ static int open(struct tty_struct *tty, struct file *filp) - spin_unlock_irqrestore(&info->netlock, flags); - goto cleanup; - } -- info->port.count++; -+ atomic_inc(&info->port.count); - spin_unlock_irqrestore(&info->netlock, flags); - -- if (info->port.count == 1) { -+ if (atomic_read(&info->port.count) == 1) { - /* 1st open on this device, init hardware */ - retval = startup(info); - if (retval < 0) -@@ -787,8 +787,8 @@ static int open(struct tty_struct *tty, struct file *filp) - if (retval) { - if (tty->count == 1) - info->port.tty = NULL; /* tty layer will release tty struct */ -- if(info->port.count) -- info->port.count--; -+ if(atomic_read(&info->port.count)) -+ atomic_dec(&info->port.count); - } - - return retval; -@@ -806,7 +806,7 @@ static void close(struct tty_struct *tty, struct file *filp) - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):%s close() entry, count=%d\n", -- __FILE__,__LINE__, info->device_name, info->port.count); -+ __FILE__,__LINE__, info->device_name, atomic_read(&info->port.count)); - - if (tty_port_close_start(&info->port, tty, filp) == 0) - goto cleanup; -@@ -825,7 +825,7 @@ static void close(struct tty_struct *tty, struct file *filp) - cleanup: - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):%s close() exit, count=%d\n", __FILE__,__LINE__, -- tty->driver->name, info->port.count); -+ tty->driver->name, atomic_read(&info->port.count)); - } - - /* Called by tty_hangup() when a hangup is signaled. -@@ -848,7 +848,7 @@ static void hangup(struct tty_struct *tty) - shutdown(info); - - spin_lock_irqsave(&info->port.lock, flags); -- info->port.count = 0; -+ atomic_set(&info->port.count, 0); - info->port.tty = NULL; - spin_unlock_irqrestore(&info->port.lock, flags); - tty_port_set_active(&info->port, 1); -@@ -1551,7 +1551,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding, - unsigned short new_crctype; - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - switch (encoding) -@@ -1647,7 +1647,7 @@ static int hdlcdev_open(struct net_device *dev) - - /* arbitrate between network and tty opens */ - spin_lock_irqsave(&info->netlock, flags); -- if (info->port.count != 0 || info->netcount != 0) { -+ if (atomic_read(&info->port.count) != 0 || info->netcount != 0) { - printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name); - spin_unlock_irqrestore(&info->netlock, flags); - return -EBUSY; -@@ -1733,7 +1733,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) - printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name); - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - if (cmd != SIOCWANDEV) -@@ -2610,7 +2610,7 @@ static irqreturn_t synclinkmp_interrupt(int dummy, void *dev_id) - * do not request bottom half processing if the - * device is not open in a normal mode. - */ -- if ( port && (port->port.count || port->netcount) && -+ if ( port && (atomic_read(&port->port.count) || port->netcount) && - port->pending_bh && !port->bh_running && - !port->bh_requested ) { - if ( debug_level >= DEBUG_LEVEL_ISR ) -@@ -3300,10 +3300,10 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):%s block_til_ready() before block, count=%d\n", -- __FILE__,__LINE__, tty->driver->name, port->count ); -+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count)); - - spin_lock_irqsave(&info->lock, flags); -- port->count--; -+ atomic_dec(&port->count); - spin_unlock_irqrestore(&info->lock, flags); - port->blocked_open++; - -@@ -3330,7 +3330,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):%s block_til_ready() count=%d\n", -- __FILE__,__LINE__, tty->driver->name, port->count ); -+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count)); - - tty_unlock(tty); - schedule(); -@@ -3340,12 +3340,12 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, - set_current_state(TASK_RUNNING); - remove_wait_queue(&port->open_wait, &wait); - if (!tty_hung_up_p(filp)) -- port->count++; -+ atomic_inc(&port->count); - port->blocked_open--; - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):%s block_til_ready() after, count=%d\n", -- __FILE__,__LINE__, tty->driver->name, port->count ); -+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count)); - - if (!retval) - tty_port_set_active(port, 1); -diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c -index 701c085..de038f5 100644 ---- a/drivers/tty/sysrq.c -+++ b/drivers/tty/sysrq.c -@@ -1090,7 +1090,7 @@ EXPORT_SYMBOL(unregister_sysrq_key); - static ssize_t write_sysrq_trigger(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) - { -- if (count) { -+ if (count && capable(CAP_SYS_ADMIN)) { - char c; - - if (get_user(c, buf)) -diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c -index 734a635..0518bb7 100644 ---- a/drivers/tty/tty_io.c -+++ b/drivers/tty/tty_io.c -@@ -105,6 +105,8 @@ - #include - #include - -+#include -+ - #undef TTY_DEBUG_HANGUP - #ifdef TTY_DEBUG_HANGUP - # define tty_debug_hangup(tty, f, args...) tty_debug(tty, f, ##args) -@@ -2286,6 +2288,8 @@ static int tiocsti(struct tty_struct *tty, char __user *p) - char ch, mbz = 0; - struct tty_ldisc *ld; - -+ if (gr_handle_tiocsti(tty)) -+ return -EPERM; - if ((current->signal->tty != tty) && !capable(CAP_SYS_ADMIN)) - return -EPERM; - if (get_user(ch, p)) -@@ -3560,7 +3564,7 @@ EXPORT_SYMBOL(tty_devnum); - - void tty_default_fops(struct file_operations *fops) - { -- *fops = tty_fops; -+ memcpy((void *)fops, &tty_fops, sizeof(tty_fops)); - } - - /* -diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c -index 68947f6..1f85fef2 100644 ---- a/drivers/tty/tty_ldisc.c -+++ b/drivers/tty/tty_ldisc.c -@@ -68,7 +68,7 @@ int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc) - raw_spin_lock_irqsave(&tty_ldiscs_lock, flags); - tty_ldiscs[disc] = new_ldisc; - new_ldisc->num = disc; -- new_ldisc->refcount = 0; -+ atomic_set(&new_ldisc->refcount, 0); - raw_spin_unlock_irqrestore(&tty_ldiscs_lock, flags); - - return ret; -@@ -96,7 +96,7 @@ int tty_unregister_ldisc(int disc) - return -EINVAL; - - raw_spin_lock_irqsave(&tty_ldiscs_lock, flags); -- if (tty_ldiscs[disc]->refcount) -+ if (atomic_read(&tty_ldiscs[disc]->refcount)) - ret = -EBUSY; - else - tty_ldiscs[disc] = NULL; -@@ -117,7 +117,7 @@ static struct tty_ldisc_ops *get_ldops(int disc) - if (ldops) { - ret = ERR_PTR(-EAGAIN); - if (try_module_get(ldops->owner)) { -- ldops->refcount++; -+ atomic_inc(&ldops->refcount); - ret = ldops; - } - } -@@ -130,7 +130,7 @@ static void put_ldops(struct tty_ldisc_ops *ldops) - unsigned long flags; - - raw_spin_lock_irqsave(&tty_ldiscs_lock, flags); -- ldops->refcount--; -+ atomic_dec(&ldops->refcount); - module_put(ldops->owner); - raw_spin_unlock_irqrestore(&tty_ldiscs_lock, flags); - } -diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c -index c3f9d93..f81070c 100644 ---- a/drivers/tty/tty_port.c -+++ b/drivers/tty/tty_port.c -@@ -236,7 +236,7 @@ void tty_port_hangup(struct tty_port *port) - unsigned long flags; - - spin_lock_irqsave(&port->lock, flags); -- port->count = 0; -+ atomic_set(&port->count, 0); - tty = port->tty; - if (tty) - set_bit(TTY_IO_ERROR, &tty->flags); -@@ -388,7 +388,7 @@ int tty_port_block_til_ready(struct tty_port *port, - - /* The port lock protects the port counts */ - spin_lock_irqsave(&port->lock, flags); -- port->count--; -+ atomic_dec(&port->count); - port->blocked_open++; - spin_unlock_irqrestore(&port->lock, flags); - -@@ -429,7 +429,7 @@ int tty_port_block_til_ready(struct tty_port *port, - we must not mess that up further */ - spin_lock_irqsave(&port->lock, flags); - if (!tty_hung_up_p(filp)) -- port->count++; -+ atomic_inc(&port->count); - port->blocked_open--; - spin_unlock_irqrestore(&port->lock, flags); - if (retval == 0) -@@ -462,18 +462,18 @@ int tty_port_close_start(struct tty_port *port, - return 0; - - spin_lock_irqsave(&port->lock, flags); -- if (tty->count == 1 && port->count != 1) { -+ if (tty->count == 1 && atomic_read(&port->count) != 1) { - tty_warn(tty, "%s: tty->count = 1 port count = %d\n", __func__, -- port->count); -- port->count = 1; -+ atomic_read(&port->count)); -+ atomic_set(&port->count, 1); - } -- if (--port->count < 0) { -+ if (atomic_dec_return(&port->count) < 0) { - tty_warn(tty, "%s: bad port count (%d)\n", __func__, -- port->count); -- port->count = 0; -+ atomic_read(&port->count)); -+ atomic_set(&port->count, 0); - } - -- if (port->count) { -+ if (atomic_read(&port->count)) { - spin_unlock_irqrestore(&port->lock, flags); - return 0; - } -@@ -567,7 +567,7 @@ int tty_port_open(struct tty_port *port, struct tty_struct *tty, - struct file *filp) - { - spin_lock_irq(&port->lock); -- ++port->count; -+ atomic_inc(&port->count); - spin_unlock_irq(&port->lock); - tty_port_tty_set(port, tty); - -diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c -index ece10e6..1621e80 100644 ---- a/drivers/tty/vt/keyboard.c -+++ b/drivers/tty/vt/keyboard.c -@@ -630,6 +630,16 @@ static void k_spec(struct vc_data *vc, unsigned char value, char up_flag) - kbd->kbdmode == VC_OFF) && - value != KVAL(K_SAK)) - return; /* SAK is allowed even in raw mode */ -+ -+#if defined(CONFIG_GRKERNSEC_PROC) || defined(CONFIG_GRKERNSEC_PROC_MEMMAP) -+ { -+ void *func = fn_handler[value]; -+ if (func == fn_show_state || func == fn_show_ptregs || -+ func == fn_show_mem) -+ return; -+ } -+#endif -+ - fn_handler[value](vc); - } - -@@ -1858,9 +1868,6 @@ int vt_do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm, - if (copy_from_user(&tmp, user_kbe, sizeof(struct kbentry))) - return -EFAULT; - -- if (!capable(CAP_SYS_TTY_CONFIG)) -- perm = 0; -- - switch (cmd) { - case KDGKBENT: - /* Ensure another thread doesn't free it under us */ -@@ -1875,6 +1882,9 @@ int vt_do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm, - spin_unlock_irqrestore(&kbd_event_lock, flags); - return put_user(val, &user_kbe->kb_value); - case KDSKBENT: -+ if (!capable(CAP_SYS_TTY_CONFIG)) -+ perm = 0; -+ - if (!perm) - return -EPERM; - if (!i && v == K_NOSUCHMAP) { -@@ -1965,9 +1975,6 @@ int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm) - int i, j, k; - int ret; - -- if (!capable(CAP_SYS_TTY_CONFIG)) -- perm = 0; -- - kbs = kmalloc(sizeof(*kbs), GFP_KERNEL); - if (!kbs) { - ret = -ENOMEM; -@@ -2001,6 +2008,9 @@ int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm) - kfree(kbs); - return ((p && *p) ? -EOVERFLOW : 0); - case KDSKBSENT: -+ if (!capable(CAP_SYS_TTY_CONFIG)) -+ perm = 0; -+ - if (!perm) { - ret = -EPERM; - goto reterr; -diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c -index fba021f..977a54e 100644 ---- a/drivers/uio/uio.c -+++ b/drivers/uio/uio.c -@@ -25,6 +25,7 @@ - #include - #include - #include -+#include - - #define UIO_MAX_DEVICES (1U << MINORBITS) - -@@ -231,7 +232,7 @@ static ssize_t event_show(struct device *dev, - struct device_attribute *attr, char *buf) - { - struct uio_device *idev = dev_get_drvdata(dev); -- return sprintf(buf, "%u\n", (unsigned int)atomic_read(&idev->event)); -+ return sprintf(buf, "%u\n", (unsigned int)atomic_read_unchecked(&idev->event)); - } - static DEVICE_ATTR_RO(event); - -@@ -401,7 +402,7 @@ void uio_event_notify(struct uio_info *info) - { - struct uio_device *idev = info->uio_dev; - -- atomic_inc(&idev->event); -+ atomic_inc_unchecked(&idev->event); - wake_up_interruptible(&idev->wait); - kill_fasync(&idev->async_queue, SIGIO, POLL_IN); - } -@@ -454,7 +455,7 @@ static int uio_open(struct inode *inode, struct file *filep) - } - - listener->dev = idev; -- listener->event_count = atomic_read(&idev->event); -+ listener->event_count = atomic_read_unchecked(&idev->event); - filep->private_data = listener; - - if (idev->info->open) { -@@ -505,7 +506,7 @@ static unsigned int uio_poll(struct file *filep, poll_table *wait) - return -EIO; - - poll_wait(filep, &idev->wait, wait); -- if (listener->event_count != atomic_read(&idev->event)) -+ if (listener->event_count != atomic_read_unchecked(&idev->event)) - return POLLIN | POLLRDNORM; - return 0; - } -@@ -530,7 +531,7 @@ static ssize_t uio_read(struct file *filep, char __user *buf, - do { - set_current_state(TASK_INTERRUPTIBLE); - -- event_count = atomic_read(&idev->event); -+ event_count = atomic_read_unchecked(&idev->event); - if (event_count != listener->event_count) { - __set_current_state(TASK_RUNNING); - if (copy_to_user(buf, &event_count, count)) -@@ -588,9 +589,13 @@ static ssize_t uio_write(struct file *filep, const char __user *buf, - static int uio_find_mem_index(struct vm_area_struct *vma) - { - struct uio_device *idev = vma->vm_private_data; -+ unsigned long size; - - if (vma->vm_pgoff < MAX_UIO_MAPS) { -- if (idev->info->mem[vma->vm_pgoff].size == 0) -+ size = idev->info->mem[vma->vm_pgoff].size; -+ if (size == 0) -+ return -1; -+ if (vma->vm_end - vma->vm_start > size) - return -1; - return (int)vma->vm_pgoff; - } -@@ -822,7 +827,7 @@ int __uio_register_device(struct module *owner, - idev->owner = owner; - idev->info = info; - init_waitqueue_head(&idev->wait); -- atomic_set(&idev->event, 0); -+ atomic_set_unchecked(&idev->event, 0); - - ret = uio_get_minor(idev); - if (ret) -diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c -index f9fe86b6..d65a64c 100644 ---- a/drivers/usb/atm/cxacru.c -+++ b/drivers/usb/atm/cxacru.c -@@ -474,7 +474,7 @@ static ssize_t cxacru_sysfs_store_adsl_config(struct device *dev, - ret = sscanf(buf + pos, "%x=%x%n", &index, &value, &tmp); - if (ret < 2) - return -EINVAL; -- if (index < 0 || index > 0x7f) -+ if (index > 0x7f) - return -EINVAL; - if (tmp < 0 || tmp > len - pos) - return -EINVAL; -diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c -index 4dec9df..36e0606 100644 ---- a/drivers/usb/atm/usbatm.c -+++ b/drivers/usb/atm/usbatm.c -@@ -331,7 +331,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char - if (printk_ratelimit()) - atm_warn(instance, "%s: OAM not supported (vpi %d, vci %d)!\n", - __func__, vpi, vci); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - return; - } - -@@ -358,7 +358,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char - if (length > ATM_MAX_AAL5_PDU) { - atm_rldbg(instance, "%s: bogus length %u (vcc: 0x%p)!\n", - __func__, length, vcc); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto out; - } - -@@ -367,14 +367,14 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char - if (sarb->len < pdu_length) { - atm_rldbg(instance, "%s: bogus pdu_length %u (sarb->len: %u, vcc: 0x%p)!\n", - __func__, pdu_length, sarb->len, vcc); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto out; - } - - if (crc32_be(~0, skb_tail_pointer(sarb) - pdu_length, pdu_length) != 0xc704dd7b) { - atm_rldbg(instance, "%s: packet failed crc check (vcc: 0x%p)!\n", - __func__, vcc); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto out; - } - -@@ -387,7 +387,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char - if (printk_ratelimit()) - atm_err(instance, "%s: no memory for skb (length: %u)!\n", - __func__, length); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - goto out; - } - -@@ -415,7 +415,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char - - vcc->push(vcc, skb); - -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - out: - skb_trim(sarb, 0); - } -@@ -613,7 +613,7 @@ static void usbatm_tx_process(unsigned long data) - struct atm_vcc *vcc = UDSL_SKB(skb)->atm.vcc; - - usbatm_pop(vcc, skb); -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - - skb = skb_dequeue(&instance->sndqueue); - } -@@ -757,11 +757,11 @@ static int usbatm_atm_proc_read(struct atm_dev *atm_dev, loff_t *pos, char *page - if (!left--) - return sprintf(page, - "AAL5: tx %d ( %d err ), rx %d ( %d err, %d drop )\n", -- atomic_read(&atm_dev->stats.aal5.tx), -- atomic_read(&atm_dev->stats.aal5.tx_err), -- atomic_read(&atm_dev->stats.aal5.rx), -- atomic_read(&atm_dev->stats.aal5.rx_err), -- atomic_read(&atm_dev->stats.aal5.rx_drop)); -+ atomic_read_unchecked(&atm_dev->stats.aal5.tx), -+ atomic_read_unchecked(&atm_dev->stats.aal5.tx_err), -+ atomic_read_unchecked(&atm_dev->stats.aal5.rx), -+ atomic_read_unchecked(&atm_dev->stats.aal5.rx_err), -+ atomic_read_unchecked(&atm_dev->stats.aal5.rx_drop)); - - if (!left--) { - if (instance->disconnected) -diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c -index ef04b50..7582d99 100644 ---- a/drivers/usb/core/devices.c -+++ b/drivers/usb/core/devices.c -@@ -119,7 +119,7 @@ static const char format_endpt[] = - * time it gets called. - */ - static struct device_connect_event { -- atomic_t count; -+ atomic_unchecked_t count; - wait_queue_head_t wait; - } device_event = { - .count = ATOMIC_INIT(1), -@@ -157,7 +157,7 @@ static const struct class_info clas_info[] = { - - void usbfs_conn_disc_event(void) - { -- atomic_add(2, &device_event.count); -+ atomic_add_unchecked(2, &device_event.count); - wake_up(&device_event.wait); - } - -@@ -648,7 +648,7 @@ static unsigned int usb_device_poll(struct file *file, - - poll_wait(file, &device_event.wait, wait); - -- event_count = atomic_read(&device_event.count); -+ event_count = atomic_read_unchecked(&device_event.count); - if (file->f_version != event_count) { - file->f_version = event_count; - return POLLIN | POLLRDNORM; -diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c -index 4016dae..b4d3ad4 100644 ---- a/drivers/usb/core/devio.c -+++ b/drivers/usb/core/devio.c -@@ -290,7 +290,7 @@ static ssize_t usbdev_read(struct file *file, char __user *buf, size_t nbytes, - struct usb_dev_state *ps = file->private_data; - struct usb_device *dev = ps->dev; - ssize_t ret = 0; -- unsigned len; -+ size_t len; - loff_t pos; - int i; - -@@ -332,22 +332,22 @@ static ssize_t usbdev_read(struct file *file, char __user *buf, size_t nbytes, - for (i = 0; nbytes && i < dev->descriptor.bNumConfigurations; i++) { - struct usb_config_descriptor *config = - (struct usb_config_descriptor *)dev->rawdescriptors[i]; -- unsigned int length = le16_to_cpu(config->wTotalLength); -+ size_t length = le16_to_cpu(config->wTotalLength); - - if (*ppos < pos + length) { - - /* The descriptor may claim to be longer than it - * really is. Here is the actual allocated length. */ -- unsigned alloclen = -+ size_t alloclen = - le16_to_cpu(dev->config[i].desc.wTotalLength); - -- len = length - (*ppos - pos); -+ len = length + pos - *ppos; - if (len > nbytes) - len = nbytes; - - /* Simply don't write (skip over) unallocated parts */ - if (alloclen > (*ppos - pos)) { -- alloclen -= (*ppos - pos); -+ alloclen = alloclen + pos - *ppos; - if (copy_to_user(buf, - dev->rawdescriptors[i] + (*ppos - pos), - min(len, alloclen))) { -@@ -1682,7 +1682,7 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb - } - } - as->urb->dev = ps->dev; -- as->urb->pipe = (uurb->type << 30) | -+ as->urb->pipe = ((unsigned int)uurb->type << 30) | - __create_pipe(ps->dev, uurb->endpoint & 0xf) | - (uurb->endpoint & USB_DIR_IN); - -diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c -index f029aad..288ba2a 100644 ---- a/drivers/usb/core/hcd.c -+++ b/drivers/usb/core/hcd.c -@@ -1634,7 +1634,7 @@ int usb_hcd_submit_urb (struct urb *urb, gfp_t mem_flags) - */ - usb_get_urb(urb); - atomic_inc(&urb->use_count); -- atomic_inc(&urb->dev->urbnum); -+ atomic_inc_unchecked(&urb->dev->urbnum); - usbmon_urb_submit(&hcd->self, urb); - - /* NOTE requirements on root-hub callers (usbfs and the hub -@@ -1661,7 +1661,7 @@ int usb_hcd_submit_urb (struct urb *urb, gfp_t mem_flags) - urb->hcpriv = NULL; - INIT_LIST_HEAD(&urb->urb_list); - atomic_dec(&urb->use_count); -- atomic_dec(&urb->dev->urbnum); -+ atomic_dec_unchecked(&urb->dev->urbnum); - if (atomic_read(&urb->reject)) - wake_up(&usb_kill_urb_queue); - usb_put_urb(urb); -diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c -index 35fb2bef..301257b 100644 ---- a/drivers/usb/core/hub.c -+++ b/drivers/usb/core/hub.c -@@ -26,6 +26,7 @@ - #include - #include - #include -+#include - - #include - #include -@@ -4760,6 +4761,10 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, - goto done; - return; - } -+ -+ if (gr_handle_new_usb()) -+ goto done; -+ - if (hub_is_superspeed(hub->hdev)) - unit_load = 150; - else -diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c -index 3a47077..5cf8b9c 100644 ---- a/drivers/usb/core/message.c -+++ b/drivers/usb/core/message.c -@@ -982,7 +982,7 @@ EXPORT_SYMBOL_GPL(usb_get_status); - * Return: Zero on success, or else the status code returned by the - * underlying usb_control_msg() call. - */ --int usb_clear_halt(struct usb_device *dev, int pipe) -+int usb_clear_halt(struct usb_device *dev, unsigned int pipe) - { - int result; - int endp = usb_pipeendpoint(pipe); -diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c -index c953a0f..54c64f4 100644 ---- a/drivers/usb/core/sysfs.c -+++ b/drivers/usb/core/sysfs.c -@@ -259,7 +259,7 @@ static ssize_t urbnum_show(struct device *dev, struct device_attribute *attr, - struct usb_device *udev; - - udev = to_usb_device(dev); -- return sprintf(buf, "%d\n", atomic_read(&udev->urbnum)); -+ return sprintf(buf, "%d\n", atomic_read_unchecked(&udev->urbnum)); - } - static DEVICE_ATTR_RO(urbnum); - -diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c -index 5921514..b33e555 100644 ---- a/drivers/usb/core/usb.c -+++ b/drivers/usb/core/usb.c -@@ -455,7 +455,7 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent, - set_dev_node(&dev->dev, dev_to_node(bus->controller)); - dev->state = USB_STATE_ATTACHED; - dev->lpm_disable_count = 1; -- atomic_set(&dev->urbnum, 0); -+ atomic_set_unchecked(&dev->urbnum, 0); - - INIT_LIST_HEAD(&dev->ep0.urb_list); - dev->ep0.desc.bLength = USB_DT_ENDPOINT_SIZE; -diff --git a/drivers/usb/early/ehci-dbgp.c b/drivers/usb/early/ehci-dbgp.c -index ea73afb..aecbc26 100644 ---- a/drivers/usb/early/ehci-dbgp.c -+++ b/drivers/usb/early/ehci-dbgp.c -@@ -97,7 +97,8 @@ static inline u32 dbgp_len_update(u32 x, u32 len) - - #ifdef CONFIG_KGDB - static struct kgdb_io kgdbdbgp_io_ops; --#define dbgp_kgdb_mode (dbg_io_ops == &kgdbdbgp_io_ops) -+static struct kgdb_io kgdbdbgp_io_ops_console; -+#define dbgp_kgdb_mode (dbg_io_ops == &kgdbdbgp_io_ops || dbg_io_ops == &kgdbdbgp_io_ops_console) - #else - #define dbgp_kgdb_mode (0) - #endif -@@ -1036,12 +1037,19 @@ static void kgdbdbgp_write_char(u8 chr) - early_dbgp_write(NULL, &chr, 1); - } - --static struct kgdb_io kgdbdbgp_io_ops = { -+static struct kgdb_io kgdbdbgp_io_ops __read_only = { - .name = "kgdbdbgp", - .read_char = kgdbdbgp_read_char, - .write_char = kgdbdbgp_write_char, - }; - -+static struct kgdb_io kgdbdbgp_io_ops_console __read_only = { -+ .name = "kgdbdbgp", -+ .read_char = kgdbdbgp_read_char, -+ .write_char = kgdbdbgp_write_char, -+ .is_console = 1 -+}; -+ - static int kgdbdbgp_wait_time; - - static int __init kgdbdbgp_parse_config(char *str) -@@ -1057,8 +1065,10 @@ static int __init kgdbdbgp_parse_config(char *str) - ptr++; - kgdbdbgp_wait_time = simple_strtoul(ptr, &ptr, 10); - } -- kgdb_register_io_module(&kgdbdbgp_io_ops); -- kgdbdbgp_io_ops.is_console = early_dbgp_console.index != -1; -+ if (early_dbgp_console.index != -1) -+ kgdb_register_io_module(&kgdbdbgp_io_ops_console); -+ else -+ kgdb_register_io_module(&kgdbdbgp_io_ops); - - return 0; - } -diff --git a/drivers/usb/gadget/function/f_phonet.c b/drivers/usb/gadget/function/f_phonet.c -index 0473d61..5e9caa5 100644 ---- a/drivers/usb/gadget/function/f_phonet.c -+++ b/drivers/usb/gadget/function/f_phonet.c -@@ -223,7 +223,7 @@ static void pn_tx_complete(struct usb_ep *ep, struct usb_request *req) - netif_wake_queue(dev); - } - --static int pn_net_xmit(struct sk_buff *skb, struct net_device *dev) -+static netdev_tx_t pn_net_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct phonet_port *port = netdev_priv(dev); - struct f_phonet *fp; -diff --git a/drivers/usb/gadget/function/f_uac1.c b/drivers/usb/gadget/function/f_uac1.c -index f2ac0cb..4038262 100644 ---- a/drivers/usb/gadget/function/f_uac1.c -+++ b/drivers/usb/gadget/function/f_uac1.c -@@ -14,6 +14,7 @@ - #include - #include - #include -+#include - - #include "u_uac1.h" - -diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c -index e0cd1e4..0a41c55 100644 ---- a/drivers/usb/gadget/function/u_serial.c -+++ b/drivers/usb/gadget/function/u_serial.c -@@ -752,9 +752,9 @@ static int gs_open(struct tty_struct *tty, struct file *file) - spin_lock_irq(&port->port_lock); - - /* already open? Great. */ -- if (port->port.count) { -+ if (atomic_read(&port->port.count)) { - status = 0; -- port->port.count++; -+ atomic_inc(&port->port.count); - - /* currently opening/closing? wait ... */ - } else if (port->openclose) { -@@ -813,7 +813,7 @@ static int gs_open(struct tty_struct *tty, struct file *file) - tty->driver_data = port; - port->port.tty = tty; - -- port->port.count = 1; -+ atomic_set(&port->port.count, 1); - port->openclose = false; - - /* if connected, start the I/O stream */ -@@ -855,11 +855,11 @@ static void gs_close(struct tty_struct *tty, struct file *file) - - spin_lock_irq(&port->port_lock); - -- if (port->port.count != 1) { -- if (port->port.count == 0) -+ if (atomic_read(&port->port.count) != 1) { -+ if (atomic_read(&port->port.count) == 0) - WARN_ON(1); - else -- --port->port.count; -+ atomic_dec(&port->port.count); - goto exit; - } - -@@ -869,7 +869,7 @@ static void gs_close(struct tty_struct *tty, struct file *file) - * and sleep if necessary - */ - port->openclose = true; -- port->port.count = 0; -+ atomic_set(&port->port.count, 0); - - gser = port->port_usb; - if (gser && gser->disconnect) -@@ -1324,7 +1324,7 @@ static int gs_closed(struct gs_port *port) - int cond; - - spin_lock_irq(&port->port_lock); -- cond = (port->port.count == 0) && !port->openclose; -+ cond = (atomic_read(&port->port.count) == 0) && !port->openclose; - spin_unlock_irq(&port->port_lock); - return cond; - } -@@ -1469,7 +1469,7 @@ int gserial_connect(struct gserial *gser, u8 port_num) - /* if it's already open, start I/O ... and notify the serial - * protocol about open/close status (connect/disconnect). - */ -- if (port->port.count) { -+ if (atomic_read(&port->port.count)) { - pr_debug("gserial_connect: start ttyGS%d\n", port->port_num); - gs_start_io(port); - if (gser->connect) -@@ -1516,7 +1516,7 @@ void gserial_disconnect(struct gserial *gser) - - port->port_usb = NULL; - gser->ioport = NULL; -- if (port->port.count > 0 || port->openclose) { -+ if (atomic_read(&port->port.count) > 0 || port->openclose) { - wake_up_interruptible(&port->drain_wait); - if (port->port.tty) - tty_hangup(port->port.tty); -@@ -1529,7 +1529,7 @@ void gserial_disconnect(struct gserial *gser) - - /* finally, free any unused/unusable I/O buffers */ - spin_lock_irqsave(&port->port_lock, flags); -- if (port->port.count == 0 && !port->openclose) -+ if (atomic_read(&port->port.count) == 0 && !port->openclose) - gs_buf_free(&port->port_write_buf); - gs_free_requests(gser->out, &port->read_pool, NULL); - gs_free_requests(gser->out, &port->read_queue, NULL); -diff --git a/drivers/usb/gadget/function/u_uac1.c b/drivers/usb/gadget/function/u_uac1.c -index c78c841..48fd281 100644 ---- a/drivers/usb/gadget/function/u_uac1.c -+++ b/drivers/usb/gadget/function/u_uac1.c -@@ -17,6 +17,7 @@ - #include - #include - #include -+#include - - #include "u_uac1.h" - -diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c -index 4fa5de2..4d14e69 100644 ---- a/drivers/usb/gadget/udc/dummy_hcd.c -+++ b/drivers/usb/gadget/udc/dummy_hcd.c -@@ -2460,7 +2460,7 @@ static int dummy_setup(struct usb_hcd *hcd) - struct dummy *dum; - - dum = *((void **)dev_get_platdata(hcd->self.controller)); -- hcd->self.sg_tablesize = ~0; -+ hcd->self.sg_tablesize = SG_ALL; - if (usb_hcd_is_primary_hcd(hcd)) { - dum->hs_hcd = hcd_to_dummy_hcd(hcd); - dum->hs_hcd->dum = dum; -diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c -index 0630648..a35d964 100644 ---- a/drivers/usb/host/ehci-hcd.c -+++ b/drivers/usb/host/ehci-hcd.c -@@ -573,7 +573,7 @@ static int ehci_init(struct usb_hcd *hcd) - - /* Accept arbitrarily long scatter-gather lists */ - if (!(hcd->driver->flags & HCD_LOCAL_MEM)) -- hcd->self.sg_tablesize = ~0; -+ hcd->self.sg_tablesize = SG_ALL; - - /* Prepare for unlinking active QHs */ - ehci->old_current = ~0; -diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c -index 74f62d6..459983a 100644 ---- a/drivers/usb/host/ehci-hub.c -+++ b/drivers/usb/host/ehci-hub.c -@@ -777,7 +777,7 @@ static struct urb *request_single_step_set_feature_urb( - urb->transfer_flags = URB_DIR_IN; - usb_get_urb(urb); - atomic_inc(&urb->use_count); -- atomic_inc(&urb->dev->urbnum); -+ atomic_inc_unchecked(&urb->dev->urbnum); - urb->setup_dma = dma_map_single( - hcd->self.controller, - urb->setup_packet, -@@ -844,7 +844,7 @@ static int ehset_single_step_set_feature(struct usb_hcd *hcd, int port) - urb->status = -EINPROGRESS; - usb_get_urb(urb); - atomic_inc(&urb->use_count); -- atomic_inc(&urb->dev->urbnum); -+ atomic_inc_unchecked(&urb->dev->urbnum); - retval = submit_single_step_set_feature(hcd, urb, 0); - if (!retval && !wait_for_completion_timeout(&done, - msecs_to_jiffies(2000))) { -diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c -index eca3710..eca7127 100644 ---- a/drivers/usb/host/ehci-q.c -+++ b/drivers/usb/host/ehci-q.c -@@ -44,9 +44,9 @@ - - static int - qtd_fill(struct ehci_hcd *ehci, struct ehci_qtd *qtd, dma_addr_t buf, -- size_t len, int token, int maxpacket) -+ size_t len, u32 token, int maxpacket) - { -- int i, count; -+ u32 i, count; - u64 addr = buf; - - /* one buffer entry per 4K ... first might be short or unaligned */ -diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c -index 66efa9a..50b719d 100644 ---- a/drivers/usb/host/fotg210-hcd.c -+++ b/drivers/usb/host/fotg210-hcd.c -@@ -5025,7 +5025,7 @@ static int hcd_fotg210_init(struct usb_hcd *hcd) - - /* Accept arbitrarily long scatter-gather lists */ - if (!(hcd->driver->flags & HCD_LOCAL_MEM)) -- hcd->self.sg_tablesize = ~0; -+ hcd->self.sg_tablesize = SG_ALL; - return 0; - } - -diff --git a/drivers/usb/host/hwa-hc.c b/drivers/usb/host/hwa-hc.c -index 1db0626..2e9f5ea 100644 ---- a/drivers/usb/host/hwa-hc.c -+++ b/drivers/usb/host/hwa-hc.c -@@ -337,7 +337,10 @@ static int __hwahc_op_bwa_set(struct wusbhc *wusbhc, s8 stream_index, - struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc); - struct wahc *wa = &hwahc->wa; - struct device *dev = &wa->usb_iface->dev; -- u8 mas_le[UWB_NUM_MAS/8]; -+ u8 *mas_le = kmalloc(UWB_NUM_MAS/8, GFP_KERNEL); -+ -+ if (mas_le == NULL) -+ return -ENOMEM; - - /* Set the stream index */ - result = usb_control_msg(wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0), -@@ -356,10 +359,12 @@ static int __hwahc_op_bwa_set(struct wusbhc *wusbhc, s8 stream_index, - WUSB_REQ_SET_WUSB_MAS, - USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, - 0, wa->usb_iface->cur_altsetting->desc.bInterfaceNumber, -- mas_le, 32, USB_CTRL_SET_TIMEOUT); -+ mas_le, UWB_NUM_MAS/8, USB_CTRL_SET_TIMEOUT); - if (result < 0) - dev_err(dev, "Cannot set WUSB MAS allocation: %d\n", result); - out: -+ kfree(mas_le); -+ - return result; - } - -@@ -812,7 +817,7 @@ static int hwahc_probe(struct usb_interface *usb_iface, - goto error_alloc; - } - usb_hcd->wireless = 1; -- usb_hcd->self.sg_tablesize = ~0; -+ usb_hcd->self.sg_tablesize = SG_ALL; - wusbhc = usb_hcd_to_wusbhc(usb_hcd); - hwahc = container_of(wusbhc, struct hwahc, wusbhc); - hwahc_init(hwahc); -diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c -index 86612ac..d432505 100644 ---- a/drivers/usb/host/ohci-hcd.c -+++ b/drivers/usb/host/ohci-hcd.c -@@ -444,7 +444,7 @@ static int ohci_init (struct ohci_hcd *ohci) - struct usb_hcd *hcd = ohci_to_hcd(ohci); - - /* Accept arbitrarily long scatter-gather lists */ -- hcd->self.sg_tablesize = ~0; -+ hcd->self.sg_tablesize = SG_ALL; - - if (distrust_firmware) - ohci->flags |= OHCI_QUIRK_HUB_POWER; -diff --git a/drivers/usb/host/r8a66597.h b/drivers/usb/host/r8a66597.h -index 672cea3..31a730db 100644 ---- a/drivers/usb/host/r8a66597.h -+++ b/drivers/usb/host/r8a66597.h -@@ -125,7 +125,7 @@ struct r8a66597 { - unsigned short interval_map; - unsigned char pipe_cnt[R8A66597_MAX_NUM_PIPE]; - unsigned char dma_map; -- unsigned int max_root_hub; -+ unsigned char max_root_hub; - - struct list_head child_device; - unsigned long child_connect_map[4]; -diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c -index 5d3d914..5534498 100644 ---- a/drivers/usb/host/uhci-hcd.c -+++ b/drivers/usb/host/uhci-hcd.c -@@ -570,7 +570,7 @@ static int uhci_start(struct usb_hcd *hcd) - hcd->uses_new_polling = 1; - /* Accept arbitrarily long scatter-gather lists */ - if (!(hcd->driver->flags & HCD_LOCAL_MEM)) -- hcd->self.sg_tablesize = ~0; -+ hcd->self.sg_tablesize = SG_ALL; - - spin_lock_init(&uhci->lock); - setup_timer(&uhci->fsbr_timer, uhci_fsbr_timeout, -diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c -index 954abfd..fca40d7 100644 ---- a/drivers/usb/host/xhci-pci.c -+++ b/drivers/usb/host/xhci-pci.c -@@ -32,7 +32,7 @@ - #define SSIC_PORT_CFG2 0x880c - #define SSIC_PORT_CFG2_OFFSET 0x30 - #define PROG_DONE (1 << 30) --#define SSIC_PORT_UNUSED (1 << 31) -+#define SSIC_PORT_UNUSED (1U << 31) - - /* Device for a quirk */ - #define PCI_VENDOR_ID_FRESCO_LOGIC 0x1b73 -diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c -index 521c181..1f06bca 100644 ---- a/drivers/usb/host/xhci-ring.c -+++ b/drivers/usb/host/xhci-ring.c -@@ -1911,9 +1911,9 @@ static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td, - * unsigned). Play it safe and say we didn't transfer anything. - */ - if (urb->actual_length > urb->transfer_buffer_length) { -- xhci_warn(xhci, "URB transfer length is wrong, xHC issue? req. len = %u, act. len = %u\n", -+ xhci_warn(xhci, "URB transfer length is wrong, xHC issue? req. len = %u, trans. len = %u\n", - urb->transfer_buffer_length, -- urb->actual_length); -+ EVENT_TRB_LEN(le32_to_cpu(event->transfer_len))); - urb->actual_length = 0; - if (td->urb->transfer_flags & URB_SHORT_NOT_OK) - *status = -EREMOTEIO; -@@ -1992,10 +1992,15 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td, - return finish_td(xhci, td, event_trb, event, ep, status, false); - case COMP_STOP: - /* Did we stop at data stage? */ -- if (event_trb != ep_ring->dequeue && event_trb != td->last_trb) -- td->urb->actual_length = -- td->urb->transfer_buffer_length - -- EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); -+ if (event_trb != ep_ring->dequeue && event_trb != td->last_trb) { -+ if (td->urb->transfer_buffer_length >= EVENT_TRB_LEN(le32_to_cpu(event->transfer_len))) -+ td->urb->actual_length = -+ td->urb->transfer_buffer_length - -+ EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); -+ else -+ td->urb->actual_length = -+ td->urb->transfer_buffer_length + 1; -+ } - /* fall through */ - case COMP_STOP_INVAL: - return finish_td(xhci, td, event_trb, event, ep, status, false); -@@ -2009,12 +2014,15 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td, - /* else fall through */ - case COMP_STALL: - /* Did we transfer part of the data (middle) phase? */ -- if (event_trb != ep_ring->dequeue && -- event_trb != td->last_trb) -- td->urb->actual_length = -- td->urb->transfer_buffer_length - -- EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); -- else if (!td->urb_length_set) -+ if (event_trb != ep_ring->dequeue && event_trb != td->last_trb) { -+ if (td->urb->transfer_buffer_length >= EVENT_TRB_LEN(le32_to_cpu(event->transfer_len))) -+ td->urb->actual_length = -+ td->urb->transfer_buffer_length - -+ EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); -+ else -+ td->urb->actual_length = -+ td->urb->transfer_buffer_length + 1; -+ } else if (!td->urb_length_set) - td->urb->actual_length = 0; - - return finish_td(xhci, td, event_trb, event, ep, status, false); -@@ -2047,9 +2055,12 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td, - * the last TRB. - */ - td->urb_length_set = true; -- td->urb->actual_length = -- td->urb->transfer_buffer_length - -- EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); -+ if (td->urb->transfer_buffer_length >= EVENT_TRB_LEN(le32_to_cpu(event->transfer_len))) -+ td->urb->actual_length = -+ td->urb->transfer_buffer_length - -+ EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); -+ else -+ BUG(); - xhci_dbg(xhci, "Waiting for status " - "stage event\n"); - return 0; -@@ -2244,11 +2255,7 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td, - /* Fast path - was this the last TRB in the TD for this URB? */ - } else if (event_trb == td->last_trb) { - if (EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)) != 0) { -- td->urb->actual_length = -- td->urb->transfer_buffer_length - -- EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); -- if (td->urb->transfer_buffer_length < -- td->urb->actual_length) { -+ if (td->urb->transfer_buffer_length < EVENT_TRB_LEN(le32_to_cpu(event->transfer_len))) { - xhci_warn(xhci, "HC gave bad length " - "of %d bytes left\n", - EVENT_TRB_LEN(le32_to_cpu(event->transfer_len))); -@@ -2257,7 +2264,10 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td, - *status = -EREMOTEIO; - else - *status = 0; -- } -+ } else -+ td->urb->actual_length = -+ td->urb->transfer_buffer_length - -+ EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); - /* Don't overwrite a previously set error code */ - if (*status == -EINPROGRESS) { - if (td->urb->transfer_flags & URB_SHORT_NOT_OK) -diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c -index 34e23c7..28ac194 100644 ---- a/drivers/usb/host/xhci.c -+++ b/drivers/usb/host/xhci.c -@@ -4825,7 +4825,7 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks) - int retval; - - /* Accept arbitrarily long scatter-gather lists */ -- hcd->self.sg_tablesize = ~0; -+ hcd->self.sg_tablesize = SG_ALL; - - /* support to build packet from discontinuous buffers */ - hcd->self.no_sg_constraint = 1; -diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c -index da5ff40..e0f8d88 100644 ---- a/drivers/usb/misc/appledisplay.c -+++ b/drivers/usb/misc/appledisplay.c -@@ -84,7 +84,7 @@ struct appledisplay { - struct mutex sysfslock; /* concurrent read and write */ - }; - --static atomic_t count_displays = ATOMIC_INIT(0); -+static atomic_unchecked_t count_displays = ATOMIC_INIT(0); - - static void appledisplay_complete(struct urb *urb) - { -@@ -283,7 +283,7 @@ static int appledisplay_probe(struct usb_interface *iface, - - /* Register backlight device */ - snprintf(bl_name, sizeof(bl_name), "appledisplay%d", -- atomic_inc_return(&count_displays) - 1); -+ atomic_inc_return_unchecked(&count_displays) - 1); - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = 0xff; -diff --git a/drivers/usb/misc/sisusbvga/sisusb_con.c b/drivers/usb/misc/sisusbvga/sisusb_con.c -index 460cebf..eb16bb4 100644 ---- a/drivers/usb/misc/sisusbvga/sisusb_con.c -+++ b/drivers/usb/misc/sisusbvga/sisusb_con.c -@@ -1368,29 +1368,77 @@ static void sisusbdummycon_init(struct vc_data *vc, int init) - vc_resize(vc, 80, 25); - } - --static int sisusbdummycon_dummy(void) -+static void sisusb_con_deinit(struct vc_data *a) - { -- return 0; - } - --#define SISUSBCONDUMMY (void *)sisusbdummycon_dummy -+static void sisusb_con_clear(struct vc_data *a, int b, int c, int d, int e) -+{ -+} -+ -+static void sisusb_con_putc(struct vc_data *a, int b, int c, int d) -+{ -+} -+ -+static void sisusb_con_putcs(struct vc_data *a, const unsigned short *b, int c, int d, int e) -+{ -+} -+ -+static void sisusb_con_cursor(struct vc_data *a, int b) -+{ -+} -+ -+static int sisusb_con_scroll(struct vc_data *a, int b, int c, int d, int e) -+{ -+ return 0; -+} -+ -+static int sisusb_con_switch(struct vc_data *a) -+{ -+ return 0; -+} -+ -+static int sisusb_con_blank(struct vc_data *a, int b, int c) -+{ -+ return 0; -+} -+ -+static int sisusb_con_font_set(struct vc_data *a, struct console_font *b, unsigned c) -+{ -+ return 0; -+} -+ -+static int sisusb_con_font_get(struct vc_data *a, struct console_font *b) -+{ -+ return 0; -+} -+ -+static int sisusb_con_font_default(struct vc_data *a, struct console_font *b, char *c) -+{ -+ return 0; -+} -+ -+static int sisusb_con_font_copy(struct vc_data *a, int b) -+{ -+ return 0; -+} - - static const struct consw sisusb_dummy_con = { - .owner = THIS_MODULE, - .con_startup = sisusbdummycon_startup, - .con_init = sisusbdummycon_init, -- .con_deinit = SISUSBCONDUMMY, -- .con_clear = SISUSBCONDUMMY, -- .con_putc = SISUSBCONDUMMY, -- .con_putcs = SISUSBCONDUMMY, -- .con_cursor = SISUSBCONDUMMY, -- .con_scroll = SISUSBCONDUMMY, -- .con_switch = SISUSBCONDUMMY, -- .con_blank = SISUSBCONDUMMY, -- .con_font_set = SISUSBCONDUMMY, -- .con_font_get = SISUSBCONDUMMY, -- .con_font_default = SISUSBCONDUMMY, -- .con_font_copy = SISUSBCONDUMMY, -+ .con_deinit = sisusb_con_deinit, -+ .con_clear = sisusb_con_clear, -+ .con_putc = sisusb_con_putc, -+ .con_putcs = sisusb_con_putcs, -+ .con_cursor = sisusb_con_cursor, -+ .con_scroll = sisusb_con_scroll, -+ .con_switch = sisusb_con_switch, -+ .con_blank = sisusb_con_blank, -+ .con_font_set = sisusb_con_font_set, -+ .con_font_get = sisusb_con_font_get, -+ .con_font_default = sisusb_con_font_default, -+ .con_font_copy = sisusb_con_font_copy, - }; - - int -diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c -index b6f1ade..fb83f15 100644 ---- a/drivers/usb/serial/console.c -+++ b/drivers/usb/serial/console.c -@@ -126,7 +126,7 @@ static int usb_console_setup(struct console *co, char *options) - - info->port = port; - -- ++port->port.count; -+ atomic_inc(&port->port.count); - if (!tty_port_initialized(&port->port)) { - if (serial->type->set_termios) { - /* -@@ -173,7 +173,7 @@ static int usb_console_setup(struct console *co, char *options) - } - /* Now that any required fake tty operations are completed restore - * the tty port count */ -- --port->port.count; -+ atomic_dec(&port->port.count); - /* The console is special in terms of closing the device so - * indicate this port is now acting as a system console. */ - port->port.console = 1; -@@ -185,7 +185,7 @@ static int usb_console_setup(struct console *co, char *options) - tty_port_tty_set(&port->port, NULL); - tty_kref_put(tty); - reset_open_count: -- port->port.count = 0; -+ atomic_set(&port->port.count, 0); - usb_autopm_put_interface(serial->interface); - error_get_interface: - usb_serial_put(serial); -@@ -196,7 +196,7 @@ static int usb_console_setup(struct console *co, char *options) - static void usb_console_write(struct console *co, - const char *buf, unsigned count) - { -- static struct usbcons_info *info = &usbcons_info; -+ struct usbcons_info *info = &usbcons_info; - struct usb_serial_port *port = info->port; - struct usb_serial *serial; - int retval = -ENODEV; -diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c -index 1a59f33..35f4c56 100644 ---- a/drivers/usb/storage/transport.c -+++ b/drivers/usb/storage/transport.c -@@ -709,7 +709,7 @@ void usb_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us) - if (need_auto_sense) { - int temp_result; - struct scsi_eh_save ses; -- int sense_size = US_SENSE_SIZE; -+ unsigned int sense_size = US_SENSE_SIZE; - struct scsi_sense_hdr sshdr; - const u8 *scdd; - u8 fm_ili; -diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c -index 2cba13a..e6bee5d 100644 ---- a/drivers/usb/storage/usb.c -+++ b/drivers/usb/storage/usb.c -@@ -944,7 +944,7 @@ static void usb_stor_scan_dwork(struct work_struct *work) - clear_bit(US_FLIDX_SCAN_PENDING, &us->dflags); - } - --static unsigned int usb_stor_sg_tablesize(struct usb_interface *intf) -+static unsigned short usb_stor_sg_tablesize(struct usb_interface *intf) - { - struct usb_device *usb_dev = interface_to_usbdev(intf); - -diff --git a/drivers/usb/storage/usb.h b/drivers/usb/storage/usb.h -index 8fae28b..8b4bfec 100644 ---- a/drivers/usb/storage/usb.h -+++ b/drivers/usb/storage/usb.h -@@ -64,7 +64,7 @@ struct us_unusual_dev { - __u8 useProtocol; - __u8 useTransport; - int (*initFunction)(struct us_data *); --}; -+} __do_const; - - - /* Dynamic bitflag definitions (us->dflags): used in set_bit() etc. */ -diff --git a/drivers/usb/usbip/stub_rx.c b/drivers/usb/usbip/stub_rx.c -index 191b176..960b4ae 100644 ---- a/drivers/usb/usbip/stub_rx.c -+++ b/drivers/usb/usbip/stub_rx.c -@@ -80,7 +80,7 @@ static int tweak_clear_halt_cmd(struct urb *urb) - struct usb_ctrlrequest *req; - int target_endp; - int target_dir; -- int target_pipe; -+ unsigned int target_pipe; - int ret; - - req = (struct usb_ctrlrequest *) urb->setup_packet; -@@ -336,7 +336,7 @@ static struct stub_priv *stub_priv_alloc(struct stub_device *sdev, - return priv; - } - --static int get_pipe(struct stub_device *sdev, int epnum, int dir) -+static unsigned int get_pipe(struct stub_device *sdev, int epnum, int dir) - { - struct usb_device *udev = sdev->udev; - struct usb_host_endpoint *ep; -@@ -447,7 +447,7 @@ static void stub_recv_cmd_submit(struct stub_device *sdev, - struct stub_priv *priv; - struct usbip_device *ud = &sdev->ud; - struct usb_device *udev = sdev->udev; -- int pipe = get_pipe(sdev, pdu->base.ep, pdu->base.direction); -+ unsigned int pipe = get_pipe(sdev, pdu->base.ep, pdu->base.direction); - - priv = stub_priv_alloc(sdev, pdu); - if (!priv) -diff --git a/drivers/usb/usbip/vhci.h b/drivers/usb/usbip/vhci.h -index 88b71c4..31cc1ca6 100644 ---- a/drivers/usb/usbip/vhci.h -+++ b/drivers/usb/usbip/vhci.h -@@ -96,7 +96,7 @@ struct vhci_hcd { - unsigned resuming:1; - unsigned long re_timeout; - -- atomic_t seqnum; -+ atomic_unchecked_t seqnum; - - /* - * NOTE: -@@ -108,7 +108,7 @@ struct vhci_hcd { - - extern int vhci_num_controllers; - extern struct platform_device **vhci_pdevs; --extern struct attribute_group vhci_attr_group; -+extern attribute_group_no_const vhci_attr_group; - - /* vhci_hcd.c */ - void rh_port_connect(struct vhci_device *vdev, enum usb_device_speed speed); -diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c -index 03eccf2..dcf1226 100644 ---- a/drivers/usb/usbip/vhci_hcd.c -+++ b/drivers/usb/usbip/vhci_hcd.c -@@ -476,7 +476,7 @@ static void vhci_tx_urb(struct urb *urb) - - spin_lock_irqsave(&vdev->priv_lock, flags); - -- priv->seqnum = atomic_inc_return(&vhci->seqnum); -+ priv->seqnum = atomic_inc_return_unchecked(&vhci->seqnum); - if (priv->seqnum == 0xffff) - dev_info(&urb->dev->dev, "seqnum max\n"); - -@@ -730,7 +730,7 @@ static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) - return -ENOMEM; - } - -- unlink->seqnum = atomic_inc_return(&vhci->seqnum); -+ unlink->seqnum = atomic_inc_return_unchecked(&vhci->seqnum); - if (unlink->seqnum == 0xffff) - pr_info("seqnum max\n"); - -@@ -956,7 +956,7 @@ static int vhci_start(struct usb_hcd *hcd) - vdev->rhport = rhport; - } - -- atomic_set(&vhci->seqnum, 0); -+ atomic_set_unchecked(&vhci->seqnum, 0); - spin_lock_init(&vhci->lock); - - hcd->power_budget = 0; /* no limit */ -diff --git a/drivers/usb/usbip/vhci_rx.c b/drivers/usb/usbip/vhci_rx.c -index fc2d319..1886be3 100644 ---- a/drivers/usb/usbip/vhci_rx.c -+++ b/drivers/usb/usbip/vhci_rx.c -@@ -82,7 +82,7 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev, - if (!urb) { - pr_err("cannot find a urb of seqnum %u\n", pdu->base.seqnum); - pr_info("max seqnum %d\n", -- atomic_read(&vhci->seqnum)); -+ atomic_read_unchecked(&vhci->seqnum)); - usbip_event_add(ud, VDEV_EVENT_ERROR_TCP); - return; - } -diff --git a/drivers/usb/usbip/vhci_sysfs.c b/drivers/usb/usbip/vhci_sysfs.c -index c404017..7a4f9d4 100644 ---- a/drivers/usb/usbip/vhci_sysfs.c -+++ b/drivers/usb/usbip/vhci_sysfs.c -@@ -68,7 +68,7 @@ static ssize_t status_show_vhci(int pdev_nr, char *out) - if (vdev->ud.status == VDEV_ST_USED) { - out += sprintf(out, "%03u %08x ", - vdev->speed, vdev->devid); -- out += sprintf(out, "%16p %s", -+ out += sprintf(out, "%16pK %s", - vdev->ud.tcp_socket, - dev_name(&vdev->udev->dev)); - -@@ -383,7 +383,7 @@ static void finish_status_attrs(void) - kfree(status_attrs); - } - --struct attribute_group vhci_attr_group = { -+attribute_group_no_const vhci_attr_group = { - .attrs = NULL, - }; - -diff --git a/drivers/usb/usbip/vudc_rx.c b/drivers/usb/usbip/vudc_rx.c -index e429b59..e0840c6 100644 ---- a/drivers/usb/usbip/vudc_rx.c -+++ b/drivers/usb/usbip/vudc_rx.c -@@ -142,7 +142,7 @@ static int v_recv_cmd_submit(struct vudc *udc, - urb_p->urb->status = -EINPROGRESS; - - /* FIXME: more pipe setup to please usbip_common */ -- urb_p->urb->pipe &= ~(3 << 30); -+ urb_p->urb->pipe &= ~(3U << 30); - switch (urb_p->ep->type) { - case USB_ENDPOINT_XFER_BULK: - urb_p->urb->pipe |= (PIPE_BULK << 30); -diff --git a/drivers/usb/wusbcore/wa-hc.h b/drivers/usb/wusbcore/wa-hc.h -index edc7267..9f65ce2 100644 ---- a/drivers/usb/wusbcore/wa-hc.h -+++ b/drivers/usb/wusbcore/wa-hc.h -@@ -240,7 +240,7 @@ struct wahc { - spinlock_t xfer_list_lock; - struct work_struct xfer_enqueue_work; - struct work_struct xfer_error_work; -- atomic_t xfer_id_count; -+ atomic_unchecked_t xfer_id_count; - - kernel_ulong_t quirks; - }; -@@ -305,7 +305,7 @@ static inline void wa_init(struct wahc *wa) - INIT_WORK(&wa->xfer_enqueue_work, wa_urb_enqueue_run); - INIT_WORK(&wa->xfer_error_work, wa_process_errored_transfers_run); - wa->dto_in_use = 0; -- atomic_set(&wa->xfer_id_count, 1); -+ atomic_set_unchecked(&wa->xfer_id_count, 1); - /* init the buf in URBs */ - for (index = 0; index < WA_MAX_BUF_IN_URBS; ++index) - usb_init_urb(&(wa->buf_in_urbs[index])); -diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c -index 167fcc71..7685175 100644 ---- a/drivers/usb/wusbcore/wa-xfer.c -+++ b/drivers/usb/wusbcore/wa-xfer.c -@@ -314,7 +314,7 @@ static void wa_xfer_completion(struct wa_xfer *xfer) - */ - static void wa_xfer_id_init(struct wa_xfer *xfer) - { -- xfer->id = atomic_add_return(1, &xfer->wa->xfer_id_count); -+ xfer->id = atomic_add_return_unchecked(1, &xfer->wa->xfer_id_count); - } - - /* Return the xfer's ID. */ -diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c -index 031bc08..1bac856 100644 ---- a/drivers/vfio/pci/vfio_pci.c -+++ b/drivers/vfio/pci/vfio_pci.c -@@ -1292,7 +1292,7 @@ static void vfio_pci_remove(struct pci_dev *pdev) - } - - static pci_ers_result_t vfio_pci_aer_err_detected(struct pci_dev *pdev, -- pci_channel_state_t state) -+ enum pci_channel_state state) - { - struct vfio_pci_device *vdev; - struct vfio_device *device; -diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c -index 3bb02c6..a01ff38 100644 ---- a/drivers/vhost/vringh.c -+++ b/drivers/vhost/vringh.c -@@ -551,7 +551,7 @@ static inline void __vringh_notify_disable(struct vringh *vrh, - static inline int getu16_user(const struct vringh *vrh, u16 *val, const __virtio16 *p) - { - __virtio16 v = 0; -- int rc = get_user(v, (__force __virtio16 __user *)p); -+ int rc = get_user(v, (__force_user __virtio16 *)p); - *val = vringh16_to_cpu(vrh, v); - return rc; - } -@@ -559,12 +559,12 @@ static inline int getu16_user(const struct vringh *vrh, u16 *val, const __virtio - static inline int putu16_user(const struct vringh *vrh, __virtio16 *p, u16 val) - { - __virtio16 v = cpu_to_vringh16(vrh, val); -- return put_user(v, (__force __virtio16 __user *)p); -+ return put_user(v, (__force_user __virtio16 *)p); - } - - static inline int copydesc_user(void *dst, const void *src, size_t len) - { -- return copy_from_user(dst, (__force void __user *)src, len) ? -+ return copy_from_user(dst, (void __force_user *)src, len) ? - -EFAULT : 0; - } - -@@ -572,19 +572,19 @@ static inline int putused_user(struct vring_used_elem *dst, - const struct vring_used_elem *src, - unsigned int num) - { -- return copy_to_user((__force void __user *)dst, src, -+ return copy_to_user((void __force_user *)dst, src, - sizeof(*dst) * num) ? -EFAULT : 0; - } - - static inline int xfer_from_user(void *src, void *dst, size_t len) - { -- return copy_from_user(dst, (__force void __user *)src, len) ? -+ return copy_from_user(dst, (void __force_user *)src, len) ? - -EFAULT : 0; - } - - static inline int xfer_to_user(void *dst, void *src, size_t len) - { -- return copy_to_user((__force void __user *)dst, src, len) ? -+ return copy_to_user((void __force_user *)dst, src, len) ? - -EFAULT : 0; - } - -@@ -621,9 +621,9 @@ int vringh_init_user(struct vringh *vrh, u64 features, - vrh->last_used_idx = 0; - vrh->vring.num = num; - /* vring expects kernel addresses, but only used via accessors. */ -- vrh->vring.desc = (__force struct vring_desc *)desc; -- vrh->vring.avail = (__force struct vring_avail *)avail; -- vrh->vring.used = (__force struct vring_used *)used; -+ vrh->vring.desc = (__force_kernel struct vring_desc *)desc; -+ vrh->vring.avail = (__force_kernel struct vring_avail *)avail; -+ vrh->vring.used = (__force_kernel struct vring_used *)used; - return 0; - } - EXPORT_SYMBOL(vringh_init_user); -@@ -826,7 +826,7 @@ static inline int getu16_kern(const struct vringh *vrh, - - static inline int putu16_kern(const struct vringh *vrh, __virtio16 *p, u16 val) - { -- ACCESS_ONCE(*p) = cpu_to_vringh16(vrh, val); -+ ACCESS_ONCE_RW(*p) = cpu_to_vringh16(vrh, val); - return 0; - } - -diff --git a/drivers/video/backlight/kb3886_bl.c b/drivers/video/backlight/kb3886_bl.c -index 84a110a..96312c3 100644 ---- a/drivers/video/backlight/kb3886_bl.c -+++ b/drivers/video/backlight/kb3886_bl.c -@@ -78,7 +78,7 @@ static struct kb3886bl_machinfo *bl_machinfo; - static unsigned long kb3886bl_flags; - #define KB3886BL_SUSPENDED 0x01 - --static struct dmi_system_id kb3886bl_device_table[] __initdata = { -+static const struct dmi_system_id kb3886bl_device_table[] __initconst = { - { - .ident = "Sahara Touch-iT", - .matches = { -diff --git a/drivers/video/console/dummycon.c b/drivers/video/console/dummycon.c -index 9269d56..78d2a06 100644 ---- a/drivers/video/console/dummycon.c -+++ b/drivers/video/console/dummycon.c -@@ -41,12 +41,60 @@ static void dummycon_init(struct vc_data *vc, int init) - vc_resize(vc, DUMMY_COLUMNS, DUMMY_ROWS); - } - --static int dummycon_dummy(void) -+static void dummycon_deinit(struct vc_data *a) -+{ -+} -+ -+static void dummycon_clear(struct vc_data *a, int b, int c, int d, int e) -+{ -+} -+ -+static void dummycon_putc(struct vc_data *a, int b, int c, int d) -+{ -+} -+ -+static void dummycon_putcs(struct vc_data *a, const unsigned short *b, int c, int d, int e) -+{ -+} -+ -+static void dummycon_cursor(struct vc_data *a, int b) -+{ -+} -+ -+static int dummycon_scroll(struct vc_data *a, int b, int c, int d, int e) -+{ -+ return 0; -+} -+ -+static int dummycon_switch(struct vc_data *a) - { - return 0; - } - --#define DUMMY (void *)dummycon_dummy -+static int dummycon_blank(struct vc_data *a, int b, int c) -+{ -+ return 0; -+} -+ -+static int dummycon_font_set(struct vc_data *a, struct console_font *b, unsigned c) -+{ -+ return 0; -+} -+ -+static int dummycon_font_get(struct vc_data *a, struct console_font *b) -+{ -+ return 0; -+} -+ -+static int dummycon_font_default(struct vc_data *a, struct console_font *b , char *c) -+{ -+ return 0; -+} -+ -+static int dummycon_font_copy(struct vc_data *a, int b) -+{ -+ return 0; -+} - - /* - * The console `switch' structure for the dummy console -@@ -58,17 +106,17 @@ const struct consw dummy_con = { - .owner = THIS_MODULE, - .con_startup = dummycon_startup, - .con_init = dummycon_init, -- .con_deinit = DUMMY, -- .con_clear = DUMMY, -- .con_putc = DUMMY, -- .con_putcs = DUMMY, -- .con_cursor = DUMMY, -- .con_scroll = DUMMY, -- .con_switch = DUMMY, -- .con_blank = DUMMY, -- .con_font_set = DUMMY, -- .con_font_get = DUMMY, -- .con_font_default = DUMMY, -- .con_font_copy = DUMMY, -+ .con_deinit = dummycon_deinit, -+ .con_clear = dummycon_clear, -+ .con_putc = dummycon_putc, -+ .con_putcs = dummycon_putcs, -+ .con_cursor = dummycon_cursor, -+ .con_scroll = dummycon_scroll, -+ .con_switch = dummycon_switch, -+ .con_blank = dummycon_blank, -+ .con_font_set = dummycon_font_set, -+ .con_font_get = dummycon_font_get, -+ .con_font_default = dummycon_font_default, -+ .con_font_copy = dummycon_font_copy, - }; - EXPORT_SYMBOL_GPL(dummy_con); -diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c -index 4db10d7..582743d 100644 ---- a/drivers/video/console/fbcon.c -+++ b/drivers/video/console/fbcon.c -@@ -106,7 +106,7 @@ static int fbcon_softback_size = 32768; - static unsigned long softback_buf, softback_curr; - static unsigned long softback_in; - static unsigned long softback_top, softback_end; --static int softback_lines; -+static long softback_lines; - /* console mappings */ - static int first_fb_vc; - static int last_fb_vc = MAX_NR_CONSOLES - 1; -diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c -index 1157661..453a373 100644 ---- a/drivers/video/console/vgacon.c -+++ b/drivers/video/console/vgacon.c -@@ -1404,21 +1404,26 @@ static int vgacon_scroll(struct vc_data *c, int t, int b, int dir, - * The console `switch' structure for the VGA based console - */ - --static int vgacon_dummy(struct vc_data *c) -+static void vgacon_clear(struct vc_data *vc, int a, int b, int c, int d) - { -- return 0; - } - --#define DUMMY (void *) vgacon_dummy -+static void vgacon_putc(struct vc_data *vc, int a, int b, int c) -+{ -+} -+ -+static void vgacon_putcs(struct vc_data *vc, const unsigned short *a, int b, int c, int d) -+{ -+} - - const struct consw vga_con = { - .owner = THIS_MODULE, - .con_startup = vgacon_startup, - .con_init = vgacon_init, - .con_deinit = vgacon_deinit, -- .con_clear = DUMMY, -- .con_putc = DUMMY, -- .con_putcs = DUMMY, -+ .con_clear = vgacon_clear, -+ .con_putc = vgacon_putc, -+ .con_putcs = vgacon_putcs, - .con_cursor = vgacon_cursor, - .con_scroll = vgacon_scroll, - .con_switch = vgacon_switch, -diff --git a/drivers/video/fbdev/arcfb.c b/drivers/video/fbdev/arcfb.c -index 1928cb2..76330ec 100644 ---- a/drivers/video/fbdev/arcfb.c -+++ b/drivers/video/fbdev/arcfb.c -@@ -458,7 +458,7 @@ static ssize_t arcfb_write(struct fb_info *info, const char __user *buf, - return -ENOSPC; - - err = 0; -- if ((count + p) > fbmemlength) { -+ if (count > (fbmemlength - p)) { - count = fbmemlength - p; - err = -ENOSPC; - } -diff --git a/drivers/video/fbdev/aty/aty128fb.c b/drivers/video/fbdev/aty/aty128fb.c -index fa07242..23708c5 100644 ---- a/drivers/video/fbdev/aty/aty128fb.c -+++ b/drivers/video/fbdev/aty/aty128fb.c -@@ -144,7 +144,7 @@ enum { - }; - - /* Must match above enum */ --static char * const r128_family[] = { -+static const char * const r128_family[] = { - "AGP", - "PCI", - "PRO AGP", -diff --git a/drivers/video/fbdev/aty/atyfb_base.c b/drivers/video/fbdev/aty/atyfb_base.c -index 11026e7..2b7e1bb 100644 ---- a/drivers/video/fbdev/aty/atyfb_base.c -+++ b/drivers/video/fbdev/aty/atyfb_base.c -@@ -1335,10 +1335,14 @@ static int atyfb_set_par(struct fb_info *info) - par->accel_flags = var->accel_flags; /* hack */ - - if (var->accel_flags) { -- info->fbops->fb_sync = atyfb_sync; -+ pax_open_kernel(); -+ const_cast(info->fbops->fb_sync) = atyfb_sync; -+ pax_close_kernel(); - info->flags &= ~FBINFO_HWACCEL_DISABLED; - } else { -- info->fbops->fb_sync = NULL; -+ pax_open_kernel(); -+ const_cast(info->fbops->fb_sync) = NULL; -+ pax_close_kernel(); - info->flags |= FBINFO_HWACCEL_DISABLED; - } - -diff --git a/drivers/video/fbdev/aty/mach64_ct.c b/drivers/video/fbdev/aty/mach64_ct.c -index 51f29d6..2c15339 100644 ---- a/drivers/video/fbdev/aty/mach64_ct.c -+++ b/drivers/video/fbdev/aty/mach64_ct.c -@@ -630,13 +630,14 @@ static void aty_resume_pll_ct(const struct fb_info *info, - aty_st_pll_ct(EXT_VPLL_CNTL, pll->ct.ext_vpll_cntl, par); - } - --static int dummy(void) -+static int aty_set_dac(const struct fb_info * info, -+ const union aty_pll * pll, u32 bpp, u32 accel) - { - return 0; - } - - const struct aty_dac_ops aty_dac_ct = { -- .set_dac = (void *) dummy, -+ .set_dac = aty_set_dac - }; - - const struct aty_pll_ops aty_pll_ct = { -diff --git a/drivers/video/fbdev/aty/mach64_cursor.c b/drivers/video/fbdev/aty/mach64_cursor.c -index 2fa0317..d687dab 100644 ---- a/drivers/video/fbdev/aty/mach64_cursor.c -+++ b/drivers/video/fbdev/aty/mach64_cursor.c -@@ -8,6 +8,7 @@ - #include "../core/fb_draw.h" - - #include -+#include - - #ifdef __sparc__ - #include -@@ -218,7 +219,9 @@ int aty_init_cursor(struct fb_info *info) - info->sprite.buf_align = 16; /* and 64 lines tall. */ - info->sprite.flags = FB_PIXMAP_IO; - -- info->fbops->fb_cursor = atyfb_cursor; -+ pax_open_kernel(); -+ const_cast(info->fbops->fb_cursor) = atyfb_cursor; -+ pax_close_kernel(); - - return 0; - } -diff --git a/drivers/video/fbdev/aty/mach64_gx.c b/drivers/video/fbdev/aty/mach64_gx.c -index 10c988a..f7d9299 100644 ---- a/drivers/video/fbdev/aty/mach64_gx.c -+++ b/drivers/video/fbdev/aty/mach64_gx.c -@@ -894,17 +894,26 @@ static int aty_set_dac_unsupported(const struct fb_info *info, - return 0; - } - --static int dummy(void) -+static int aty_var_to_pll(const struct fb_info * info, u32 vclk_per, u32 bpp, union aty_pll * pll) - { - return 0; - } - -+static u32 aty_pll_to_var(const struct fb_info * info, const union aty_pll * pll) -+{ -+ return 0; -+} -+ -+static void aty_set_pll(const struct fb_info * info, const union aty_pll * pll) -+{ -+} -+ - const struct aty_dac_ops aty_dac_unsupported = { - .set_dac = aty_set_dac_unsupported, - }; - - const struct aty_pll_ops aty_pll_unsupported = { -- .var_to_pll = (void *) dummy, -- .pll_to_var = (void *) dummy, -- .set_pll = (void *) dummy, -+ .var_to_pll = aty_var_to_pll, -+ .pll_to_var = aty_pll_to_var, -+ .set_pll = aty_set_pll, - }; -diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c -index 74b5bca..5bddbea 100644 ---- a/drivers/video/fbdev/core/fb_defio.c -+++ b/drivers/video/fbdev/core/fb_defio.c -@@ -208,7 +208,9 @@ void fb_deferred_io_init(struct fb_info *info) - - BUG_ON(!fbdefio); - mutex_init(&fbdefio->lock); -- info->fbops->fb_mmap = fb_deferred_io_mmap; -+ pax_open_kernel(); -+ const_cast(info->fbops->fb_mmap) = fb_deferred_io_mmap; -+ pax_close_kernel(); - INIT_DELAYED_WORK(&info->deferred_work, fb_deferred_io_work); - INIT_LIST_HEAD(&fbdefio->pagelist); - if (fbdefio->delay == 0) /* set a default of 1 s */ -@@ -239,7 +241,9 @@ void fb_deferred_io_cleanup(struct fb_info *info) - page->mapping = NULL; - } - -- info->fbops->fb_mmap = NULL; -+ pax_open_kernel(); -+ const_cast(info->fbops->fb_mmap) = NULL; -+ pax_close_kernel(); - mutex_destroy(&fbdefio->lock); - } - EXPORT_SYMBOL_GPL(fb_deferred_io_cleanup); -diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c -index 76c1ad9..6ec5e94 100644 ---- a/drivers/video/fbdev/core/fbmem.c -+++ b/drivers/video/fbdev/core/fbmem.c -@@ -1301,7 +1301,7 @@ static int do_fscreeninfo_to_user(struct fb_fix_screeninfo *fix, - __u32 data; - int err; - -- err = copy_to_user(&fix32->id, &fix->id, sizeof(fix32->id)); -+ err = copy_to_user(fix32->id, &fix->id, sizeof(fix32->id)); - - data = (__u32) (unsigned long) fix->smem_start; - err |= put_user(data, &fix32->smem_start); -@@ -1435,10 +1435,7 @@ fb_mmap(struct file *file, struct vm_area_struct * vma) - return vm_iomap_memory(vma, start, len); - } - --static int --fb_open(struct inode *inode, struct file *file) --__acquires(&info->lock) --__releases(&info->lock) -+static int fb_open(struct inode *inode, struct file *file) - { - int fbidx = iminor(inode); - struct fb_info *info; -@@ -1476,10 +1473,7 @@ __releases(&info->lock) - return res; - } - --static int --fb_release(struct inode *inode, struct file *file) --__acquires(&info->lock) --__releases(&info->lock) -+static int fb_release(struct inode *inode, struct file *file) - { - struct fb_info * const info = file->private_data; - -diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c -index 2fd49b2..67e3d86 100644 ---- a/drivers/video/fbdev/hyperv_fb.c -+++ b/drivers/video/fbdev/hyperv_fb.c -@@ -240,7 +240,7 @@ static uint screen_fb_size; - static inline int synthvid_send(struct hv_device *hdev, - struct synthvid_msg *msg) - { -- static atomic64_t request_id = ATOMIC64_INIT(0); -+ static atomic64_unchecked_t request_id = ATOMIC64_INIT(0); - int ret; - - msg->pipe_hdr.type = PIPE_MSG_DATA; -@@ -248,7 +248,7 @@ static inline int synthvid_send(struct hv_device *hdev, - - ret = vmbus_sendpacket(hdev->channel, msg, - msg->vid_hdr.size + sizeof(struct pipe_msg_hdr), -- atomic64_inc_return(&request_id), -+ atomic64_inc_return_unchecked(&request_id), - VM_PKT_DATA_INBAND, 0); - - if (ret) -diff --git a/drivers/video/fbdev/i810/i810_accel.c b/drivers/video/fbdev/i810/i810_accel.c -index 7672d2e..b56437f 100644 ---- a/drivers/video/fbdev/i810/i810_accel.c -+++ b/drivers/video/fbdev/i810/i810_accel.c -@@ -73,6 +73,7 @@ static inline int wait_for_space(struct fb_info *info, u32 space) - } - } - printk("ringbuffer lockup!!!\n"); -+ printk("head:%u tail:%u iring.size:%u space:%u\n", head, tail, par->iring.size, space); - i810_report_error(mmio); - par->dev_flags |= LOCKUP; - info->pixmap.scan_align = 1; -diff --git a/drivers/video/fbdev/matrox/matroxfb_DAC1064.c b/drivers/video/fbdev/matrox/matroxfb_DAC1064.c -index a01147f..5d896f8 100644 ---- a/drivers/video/fbdev/matrox/matroxfb_DAC1064.c -+++ b/drivers/video/fbdev/matrox/matroxfb_DAC1064.c -@@ -1088,14 +1088,20 @@ static void MGAG100_restore(struct matrox_fb_info *minfo) - - #ifdef CONFIG_FB_MATROX_MYSTIQUE - struct matrox_switch matrox_mystique = { -- MGA1064_preinit, MGA1064_reset, MGA1064_init, MGA1064_restore, -+ .preinit = MGA1064_preinit, -+ .reset = MGA1064_reset, -+ .init = MGA1064_init, -+ .restore = MGA1064_restore, - }; - EXPORT_SYMBOL(matrox_mystique); - #endif - - #ifdef CONFIG_FB_MATROX_G - struct matrox_switch matrox_G100 = { -- MGAG100_preinit, MGAG100_reset, MGAG100_init, MGAG100_restore, -+ .preinit = MGAG100_preinit, -+ .reset = MGAG100_reset, -+ .init = MGAG100_init, -+ .restore = MGAG100_restore, - }; - EXPORT_SYMBOL(matrox_G100); - #endif -diff --git a/drivers/video/fbdev/matrox/matroxfb_Ti3026.c b/drivers/video/fbdev/matrox/matroxfb_Ti3026.c -index 68fa037..0273351 100644 ---- a/drivers/video/fbdev/matrox/matroxfb_Ti3026.c -+++ b/drivers/video/fbdev/matrox/matroxfb_Ti3026.c -@@ -738,7 +738,10 @@ static int Ti3026_preinit(struct matrox_fb_info *minfo) - } - - struct matrox_switch matrox_millennium = { -- Ti3026_preinit, Ti3026_reset, Ti3026_init, Ti3026_restore -+ .preinit = Ti3026_preinit, -+ .reset = Ti3026_reset, -+ .init = Ti3026_init, -+ .restore = Ti3026_restore - }; - EXPORT_SYMBOL(matrox_millennium); - #endif -diff --git a/drivers/video/fbdev/matrox/matroxfb_base.c b/drivers/video/fbdev/matrox/matroxfb_base.c -index 11eb094..622ee31 100644 ---- a/drivers/video/fbdev/matrox/matroxfb_base.c -+++ b/drivers/video/fbdev/matrox/matroxfb_base.c -@@ -2176,7 +2176,7 @@ static struct pci_driver matroxfb_driver = { - #define RS1056x480 14 /* 132 x 60 text */ - #define RSNoxNo 15 - /* 10-FF */ --static struct { int xres, yres, left, right, upper, lower, hslen, vslen, vfreq; } timmings[] __initdata = { -+static struct { unsigned int xres, yres, left, right, upper, lower, hslen, vslen, vfreq; } timmings[] __initdata = { - { 640, 400, 48, 16, 39, 8, 96, 2, 70 }, - { 640, 480, 48, 16, 33, 10, 96, 2, 60 }, - { 800, 600, 144, 24, 28, 8, 112, 6, 60 }, -diff --git a/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c b/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c -index fe92eed..239e386 100644 ---- a/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c -+++ b/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c -@@ -312,14 +312,18 @@ void mb862xxfb_init_accel(struct fb_info *info, int xres) - struct mb862xxfb_par *par = info->par; - - if (info->var.bits_per_pixel == 32) { -- info->fbops->fb_fillrect = cfb_fillrect; -- info->fbops->fb_copyarea = cfb_copyarea; -- info->fbops->fb_imageblit = cfb_imageblit; -+ pax_open_kernel(); -+ const_cast(info->fbops->fb_fillrect) = cfb_fillrect; -+ const_cast(info->fbops->fb_copyarea) = cfb_copyarea; -+ const_cast(info->fbops->fb_imageblit) = cfb_imageblit; -+ pax_close_kernel(); - } else { - outreg(disp, GC_L0EM, 3); -- info->fbops->fb_fillrect = mb86290fb_fillrect; -- info->fbops->fb_copyarea = mb86290fb_copyarea; -- info->fbops->fb_imageblit = mb86290fb_imageblit; -+ pax_open_kernel(); -+ const_cast(info->fbops->fb_fillrect) = mb86290fb_fillrect; -+ const_cast(info->fbops->fb_copyarea) = mb86290fb_copyarea; -+ const_cast(info->fbops->fb_imageblit) = mb86290fb_imageblit; -+ pax_close_kernel(); - } - outreg(draw, GDC_REG_DRAW_BASE, 0); - outreg(draw, GDC_REG_MODE_MISC, 0x8000); -diff --git a/drivers/video/fbdev/nvidia/nvidia.c b/drivers/video/fbdev/nvidia/nvidia.c -index ce7dab7..89d6521 100644 ---- a/drivers/video/fbdev/nvidia/nvidia.c -+++ b/drivers/video/fbdev/nvidia/nvidia.c -@@ -660,19 +660,23 @@ static int nvidiafb_set_par(struct fb_info *info) - info->fix.line_length = (info->var.xres_virtual * - info->var.bits_per_pixel) >> 3; - if (info->var.accel_flags) { -- info->fbops->fb_imageblit = nvidiafb_imageblit; -- info->fbops->fb_fillrect = nvidiafb_fillrect; -- info->fbops->fb_copyarea = nvidiafb_copyarea; -- info->fbops->fb_sync = nvidiafb_sync; -+ pax_open_kernel(); -+ const_cast(info->fbops->fb_imageblit) = nvidiafb_imageblit; -+ const_cast(info->fbops->fb_fillrect) = nvidiafb_fillrect; -+ const_cast(info->fbops->fb_copyarea) = nvidiafb_copyarea; -+ const_cast(info->fbops->fb_sync) = nvidiafb_sync; -+ pax_close_kernel(); - info->pixmap.scan_align = 4; - info->flags &= ~FBINFO_HWACCEL_DISABLED; - info->flags |= FBINFO_READS_FAST; - NVResetGraphics(info); - } else { -- info->fbops->fb_imageblit = cfb_imageblit; -- info->fbops->fb_fillrect = cfb_fillrect; -- info->fbops->fb_copyarea = cfb_copyarea; -- info->fbops->fb_sync = NULL; -+ pax_open_kernel(); -+ const_cast(info->fbops->fb_imageblit) = cfb_imageblit; -+ const_cast(info->fbops->fb_fillrect) = cfb_fillrect; -+ const_cast(info->fbops->fb_copyarea) = cfb_copyarea; -+ const_cast(info->fbops->fb_sync) = NULL; -+ pax_close_kernel(); - info->pixmap.scan_align = 1; - info->flags |= FBINFO_HWACCEL_DISABLED; - info->flags &= ~FBINFO_READS_FAST; -@@ -1164,8 +1168,11 @@ static int nvidia_set_fbinfo(struct fb_info *info) - info->pixmap.size = 8 * 1024; - info->pixmap.flags = FB_PIXMAP_SYSTEM; - -- if (!hwcur) -- info->fbops->fb_cursor = NULL; -+ if (!hwcur) { -+ pax_open_kernel(); -+ const_cast(info->fbops->fb_cursor) = NULL; -+ pax_close_kernel(); -+ } - - info->var.accel_flags = (!noaccel); - -diff --git a/drivers/video/fbdev/omap2/omapfb/dss/display.c b/drivers/video/fbdev/omap2/omapfb/dss/display.c -index dd54686..6ef7ef6 100644 ---- a/drivers/video/fbdev/omap2/omapfb/dss/display.c -+++ b/drivers/video/fbdev/omap2/omapfb/dss/display.c -@@ -161,12 +161,14 @@ int omapdss_register_display(struct omap_dss_device *dssdev) - if (dssdev->name == NULL) - dssdev->name = dssdev->alias; - -+ pax_open_kernel(); - if (drv && drv->get_resolution == NULL) -- drv->get_resolution = omapdss_default_get_resolution; -+ const_cast(drv->get_resolution) = omapdss_default_get_resolution; - if (drv && drv->get_recommended_bpp == NULL) -- drv->get_recommended_bpp = omapdss_default_get_recommended_bpp; -+ const_cast(drv->get_recommended_bpp) = omapdss_default_get_recommended_bpp; - if (drv && drv->get_timings == NULL) -- drv->get_timings = omapdss_default_get_timings; -+ const_cast(drv->get_timings) = omapdss_default_get_timings; -+ pax_close_kernel(); - - mutex_lock(&panel_list_mutex); - list_add_tail(&dssdev->panel_list, &panel_list); -diff --git a/drivers/video/fbdev/s1d13xxxfb.c b/drivers/video/fbdev/s1d13xxxfb.c -index 5d6179e..f80a0f5 100644 ---- a/drivers/video/fbdev/s1d13xxxfb.c -+++ b/drivers/video/fbdev/s1d13xxxfb.c -@@ -880,8 +880,10 @@ static int s1d13xxxfb_probe(struct platform_device *pdev) - - switch(prod_id) { - case S1D13506_PROD_ID: /* activate acceleration */ -- s1d13xxxfb_fbops.fb_fillrect = s1d13xxxfb_bitblt_solidfill; -- s1d13xxxfb_fbops.fb_copyarea = s1d13xxxfb_bitblt_copyarea; -+ pax_open_kernel(); -+ const_cast(s1d13xxxfb_fbops.fb_fillrect) = s1d13xxxfb_bitblt_solidfill; -+ const_cast(s1d13xxxfb_fbops.fb_copyarea) = s1d13xxxfb_bitblt_copyarea; -+ pax_close_kernel(); - info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN | - FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_COPYAREA; - break; -diff --git a/drivers/video/fbdev/sh_mobile_lcdcfb.c b/drivers/video/fbdev/sh_mobile_lcdcfb.c -index 82c0a8c..42499a1 100644 ---- a/drivers/video/fbdev/sh_mobile_lcdcfb.c -+++ b/drivers/video/fbdev/sh_mobile_lcdcfb.c -@@ -439,9 +439,9 @@ static unsigned long lcdc_sys_read_data(void *handle) - } - - static struct sh_mobile_lcdc_sys_bus_ops sh_mobile_lcdc_sys_bus_ops = { -- lcdc_sys_write_index, -- lcdc_sys_write_data, -- lcdc_sys_read_data, -+ .write_index = lcdc_sys_write_index, -+ .write_data = lcdc_sys_write_data, -+ .read_data = lcdc_sys_read_data, - }; - - static int sh_mobile_lcdc_sginit(struct fb_info *info, -diff --git a/drivers/video/fbdev/sis/sis_main.h b/drivers/video/fbdev/sis/sis_main.h -index 32e23c2..7b73082 100644 ---- a/drivers/video/fbdev/sis/sis_main.h -+++ b/drivers/video/fbdev/sis/sis_main.h -@@ -763,7 +763,7 @@ extern void SiS_SetCH700x(struct SiS_Private *SiS_Pr, unsigned short reg, unsig - extern unsigned short SiS_GetCH701x(struct SiS_Private *SiS_Pr, unsigned short reg); - extern void SiS_SetCH701x(struct SiS_Private *SiS_Pr, unsigned short reg, unsigned char val); - extern void SiS_SetCH70xxANDOR(struct SiS_Private *SiS_Pr, unsigned short reg, -- unsigned char myor, unsigned char myand); -+ unsigned char myor, unsigned short myand); - extern void SiS_DDC2Delay(struct SiS_Private *SiS_Pr, unsigned int delaytime); - extern void SiS_SetChrontelGPIO(struct SiS_Private *SiS_Pr, unsigned short myvbinfo); - extern unsigned short SiS_HandleDDC(struct SiS_Private *SiS_Pr, unsigned int VBFlags, int VGAEngine, -diff --git a/drivers/video/fbdev/smscufx.c b/drivers/video/fbdev/smscufx.c -index ec2e7e3..0c7dc23 100644 ---- a/drivers/video/fbdev/smscufx.c -+++ b/drivers/video/fbdev/smscufx.c -@@ -1174,7 +1174,9 @@ static int ufx_ops_release(struct fb_info *info, int user) - fb_deferred_io_cleanup(info); - kfree(info->fbdefio); - info->fbdefio = NULL; -- info->fbops->fb_mmap = ufx_ops_mmap; -+ pax_open_kernel(); -+ const_cast(info->fbops->fb_mmap) = ufx_ops_mmap; -+ pax_close_kernel(); - } - - pr_debug("released /dev/fb%d user=%d count=%d", -diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c -index e9c2f7b..87506f4 100644 ---- a/drivers/video/fbdev/udlfb.c -+++ b/drivers/video/fbdev/udlfb.c -@@ -623,11 +623,11 @@ static int dlfb_handle_damage(struct dlfb_data *dev, int x, int y, - dlfb_urb_completion(urb); - - error: -- atomic_add(bytes_sent, &dev->bytes_sent); -- atomic_add(bytes_identical, &dev->bytes_identical); -- atomic_add(width*height*2, &dev->bytes_rendered); -+ atomic_add_unchecked(bytes_sent, &dev->bytes_sent); -+ atomic_add_unchecked(bytes_identical, &dev->bytes_identical); -+ atomic_add_unchecked(width*height*2, &dev->bytes_rendered); - end_cycles = get_cycles(); -- atomic_add(((unsigned int) ((end_cycles - start_cycles) -+ atomic_add_unchecked(((unsigned int) ((end_cycles - start_cycles) - >> 10)), /* Kcycles */ - &dev->cpu_kcycles_used); - -@@ -748,11 +748,11 @@ static void dlfb_dpy_deferred_io(struct fb_info *info, - dlfb_urb_completion(urb); - - error: -- atomic_add(bytes_sent, &dev->bytes_sent); -- atomic_add(bytes_identical, &dev->bytes_identical); -- atomic_add(bytes_rendered, &dev->bytes_rendered); -+ atomic_add_unchecked(bytes_sent, &dev->bytes_sent); -+ atomic_add_unchecked(bytes_identical, &dev->bytes_identical); -+ atomic_add_unchecked(bytes_rendered, &dev->bytes_rendered); - end_cycles = get_cycles(); -- atomic_add(((unsigned int) ((end_cycles - start_cycles) -+ atomic_add_unchecked(((unsigned int) ((end_cycles - start_cycles) - >> 10)), /* Kcycles */ - &dev->cpu_kcycles_used); - } -@@ -991,7 +991,9 @@ static int dlfb_ops_release(struct fb_info *info, int user) - fb_deferred_io_cleanup(info); - kfree(info->fbdefio); - info->fbdefio = NULL; -- info->fbops->fb_mmap = dlfb_ops_mmap; -+ pax_open_kernel(); -+ const_cast(info->fbops->fb_mmap) = dlfb_ops_mmap; -+ pax_close_kernel(); - } - - pr_warn("released /dev/fb%d user=%d count=%d\n", -@@ -1373,7 +1375,7 @@ static ssize_t metrics_bytes_rendered_show(struct device *fbdev, - struct fb_info *fb_info = dev_get_drvdata(fbdev); - struct dlfb_data *dev = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%u\n", -- atomic_read(&dev->bytes_rendered)); -+ atomic_read_unchecked(&dev->bytes_rendered)); - } - - static ssize_t metrics_bytes_identical_show(struct device *fbdev, -@@ -1381,7 +1383,7 @@ static ssize_t metrics_bytes_identical_show(struct device *fbdev, - struct fb_info *fb_info = dev_get_drvdata(fbdev); - struct dlfb_data *dev = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%u\n", -- atomic_read(&dev->bytes_identical)); -+ atomic_read_unchecked(&dev->bytes_identical)); - } - - static ssize_t metrics_bytes_sent_show(struct device *fbdev, -@@ -1389,7 +1391,7 @@ static ssize_t metrics_bytes_sent_show(struct device *fbdev, - struct fb_info *fb_info = dev_get_drvdata(fbdev); - struct dlfb_data *dev = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%u\n", -- atomic_read(&dev->bytes_sent)); -+ atomic_read_unchecked(&dev->bytes_sent)); - } - - static ssize_t metrics_cpu_kcycles_used_show(struct device *fbdev, -@@ -1397,7 +1399,7 @@ static ssize_t metrics_cpu_kcycles_used_show(struct device *fbdev, - struct fb_info *fb_info = dev_get_drvdata(fbdev); - struct dlfb_data *dev = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%u\n", -- atomic_read(&dev->cpu_kcycles_used)); -+ atomic_read_unchecked(&dev->cpu_kcycles_used)); - } - - static ssize_t edid_show( -@@ -1457,10 +1459,10 @@ static ssize_t metrics_reset_store(struct device *fbdev, - struct fb_info *fb_info = dev_get_drvdata(fbdev); - struct dlfb_data *dev = fb_info->par; - -- atomic_set(&dev->bytes_rendered, 0); -- atomic_set(&dev->bytes_identical, 0); -- atomic_set(&dev->bytes_sent, 0); -- atomic_set(&dev->cpu_kcycles_used, 0); -+ atomic_set_unchecked(&dev->bytes_rendered, 0); -+ atomic_set_unchecked(&dev->bytes_identical, 0); -+ atomic_set_unchecked(&dev->bytes_sent, 0); -+ atomic_set_unchecked(&dev->cpu_kcycles_used, 0); - - return count; - } -diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c -index 98af9e0..1089416 100644 ---- a/drivers/video/fbdev/uvesafb.c -+++ b/drivers/video/fbdev/uvesafb.c -@@ -19,6 +19,7 @@ - #include - #include - #include -+#include - #include