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authorMike Pagano <mpagano@gentoo.org>2015-04-04 19:53:54 -0400
committerMike Pagano <mpagano@gentoo.org>2015-04-04 19:53:54 -0400
commit910ecd3eef3cf941070f0586d5de977a58c16ba7 (patch)
treed1b70b39757ce5003c9dce9827aae473c3bffe80
parentAdd check to saved_root_name for supported filesystem path naming. (diff)
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Linux patch 3.18.113.18-13
-rw-r--r--0000_README4
-rw-r--r--1010_linux-3.18.11.patch3765
2 files changed, 3769 insertions, 0 deletions
diff --git a/0000_README b/0000_README
index ab13f61a..7616ed8b 100644
--- a/0000_README
+++ b/0000_README
@@ -83,6 +83,10 @@ Patch: 1009_linux-3.18.10.patch
From: http://www.kernel.org
Desc: Linux 3.18.10
+Patch: 1010_linux-3.18.11.patch
+From: http://www.kernel.org
+Desc: Linux 3.18.11
+
Patch: 1500_XATTR_USER_PREFIX.patch
From: https://bugs.gentoo.org/show_bug.cgi?id=470644
Desc: Support for namespace user.pax.* on tmpfs.
diff --git a/1010_linux-3.18.11.patch b/1010_linux-3.18.11.patch
new file mode 100644
index 00000000..ed524c85
--- /dev/null
+++ b/1010_linux-3.18.11.patch
@@ -0,0 +1,3765 @@
+diff --git a/Makefile b/Makefile
+index d4ce2cb674c8..da8dc1350de3 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 3
+ PATCHLEVEL = 18
+-SUBLEVEL = 10
++SUBLEVEL = 11
+ EXTRAVERSION =
+ NAME = Diseased Newt
+
+diff --git a/arch/arm/boot/dts/am33xx-clocks.dtsi b/arch/arm/boot/dts/am33xx-clocks.dtsi
+index 712edce7d6fb..071b56aa0c7e 100644
+--- a/arch/arm/boot/dts/am33xx-clocks.dtsi
++++ b/arch/arm/boot/dts/am33xx-clocks.dtsi
+@@ -99,7 +99,7 @@
+ ehrpwm0_tbclk: ehrpwm0_tbclk@44e10664 {
+ #clock-cells = <0>;
+ compatible = "ti,gate-clock";
+- clocks = <&dpll_per_m2_ck>;
++ clocks = <&l4ls_gclk>;
+ ti,bit-shift = <0>;
+ reg = <0x0664>;
+ };
+@@ -107,7 +107,7 @@
+ ehrpwm1_tbclk: ehrpwm1_tbclk@44e10664 {
+ #clock-cells = <0>;
+ compatible = "ti,gate-clock";
+- clocks = <&dpll_per_m2_ck>;
++ clocks = <&l4ls_gclk>;
+ ti,bit-shift = <1>;
+ reg = <0x0664>;
+ };
+@@ -115,7 +115,7 @@
+ ehrpwm2_tbclk: ehrpwm2_tbclk@44e10664 {
+ #clock-cells = <0>;
+ compatible = "ti,gate-clock";
+- clocks = <&dpll_per_m2_ck>;
++ clocks = <&l4ls_gclk>;
+ ti,bit-shift = <2>;
+ reg = <0x0664>;
+ };
+diff --git a/arch/arm/boot/dts/am43xx-clocks.dtsi b/arch/arm/boot/dts/am43xx-clocks.dtsi
+index c7dc9dab93a4..cfb49686ab6a 100644
+--- a/arch/arm/boot/dts/am43xx-clocks.dtsi
++++ b/arch/arm/boot/dts/am43xx-clocks.dtsi
+@@ -107,7 +107,7 @@
+ ehrpwm0_tbclk: ehrpwm0_tbclk {
+ #clock-cells = <0>;
+ compatible = "ti,gate-clock";
+- clocks = <&dpll_per_m2_ck>;
++ clocks = <&l4ls_gclk>;
+ ti,bit-shift = <0>;
+ reg = <0x0664>;
+ };
+@@ -115,7 +115,7 @@
+ ehrpwm1_tbclk: ehrpwm1_tbclk {
+ #clock-cells = <0>;
+ compatible = "ti,gate-clock";
+- clocks = <&dpll_per_m2_ck>;
++ clocks = <&l4ls_gclk>;
+ ti,bit-shift = <1>;
+ reg = <0x0664>;
+ };
+@@ -123,7 +123,7 @@
+ ehrpwm2_tbclk: ehrpwm2_tbclk {
+ #clock-cells = <0>;
+ compatible = "ti,gate-clock";
+- clocks = <&dpll_per_m2_ck>;
++ clocks = <&l4ls_gclk>;
+ ti,bit-shift = <2>;
+ reg = <0x0664>;
+ };
+@@ -131,7 +131,7 @@
+ ehrpwm3_tbclk: ehrpwm3_tbclk {
+ #clock-cells = <0>;
+ compatible = "ti,gate-clock";
+- clocks = <&dpll_per_m2_ck>;
++ clocks = <&l4ls_gclk>;
+ ti,bit-shift = <4>;
+ reg = <0x0664>;
+ };
+@@ -139,7 +139,7 @@
+ ehrpwm4_tbclk: ehrpwm4_tbclk {
+ #clock-cells = <0>;
+ compatible = "ti,gate-clock";
+- clocks = <&dpll_per_m2_ck>;
++ clocks = <&l4ls_gclk>;
+ ti,bit-shift = <5>;
+ reg = <0x0664>;
+ };
+@@ -147,7 +147,7 @@
+ ehrpwm5_tbclk: ehrpwm5_tbclk {
+ #clock-cells = <0>;
+ compatible = "ti,gate-clock";
+- clocks = <&dpll_per_m2_ck>;
++ clocks = <&l4ls_gclk>;
+ ti,bit-shift = <6>;
+ reg = <0x0664>;
+ };
+diff --git a/arch/arm/boot/dts/dra7xx-clocks.dtsi b/arch/arm/boot/dts/dra7xx-clocks.dtsi
+index 2c05b3f017fa..64c0f75b5444 100644
+--- a/arch/arm/boot/dts/dra7xx-clocks.dtsi
++++ b/arch/arm/boot/dts/dra7xx-clocks.dtsi
+@@ -243,10 +243,18 @@
+ ti,invert-autoidle-bit;
+ };
+
++ dpll_core_byp_mux: dpll_core_byp_mux {
++ #clock-cells = <0>;
++ compatible = "ti,mux-clock";
++ clocks = <&sys_clkin1>, <&dpll_abe_m3x2_ck>;
++ ti,bit-shift = <23>;
++ reg = <0x012c>;
++ };
++
+ dpll_core_ck: dpll_core_ck {
+ #clock-cells = <0>;
+ compatible = "ti,omap4-dpll-core-clock";
+- clocks = <&sys_clkin1>, <&dpll_abe_m3x2_ck>;
++ clocks = <&sys_clkin1>, <&dpll_core_byp_mux>;
+ reg = <0x0120>, <0x0124>, <0x012c>, <0x0128>;
+ };
+
+@@ -309,10 +317,18 @@
+ clock-div = <1>;
+ };
+
++ dpll_dsp_byp_mux: dpll_dsp_byp_mux {
++ #clock-cells = <0>;
++ compatible = "ti,mux-clock";
++ clocks = <&sys_clkin1>, <&dsp_dpll_hs_clk_div>;
++ ti,bit-shift = <23>;
++ reg = <0x0240>;
++ };
++
+ dpll_dsp_ck: dpll_dsp_ck {
+ #clock-cells = <0>;
+ compatible = "ti,omap4-dpll-clock";
+- clocks = <&sys_clkin1>, <&dsp_dpll_hs_clk_div>;
++ clocks = <&sys_clkin1>, <&dpll_dsp_byp_mux>;
+ reg = <0x0234>, <0x0238>, <0x0240>, <0x023c>;
+ };
+
+@@ -335,10 +351,18 @@
+ clock-div = <1>;
+ };
+
++ dpll_iva_byp_mux: dpll_iva_byp_mux {
++ #clock-cells = <0>;
++ compatible = "ti,mux-clock";
++ clocks = <&sys_clkin1>, <&iva_dpll_hs_clk_div>;
++ ti,bit-shift = <23>;
++ reg = <0x01ac>;
++ };
++
+ dpll_iva_ck: dpll_iva_ck {
+ #clock-cells = <0>;
+ compatible = "ti,omap4-dpll-clock";
+- clocks = <&sys_clkin1>, <&iva_dpll_hs_clk_div>;
++ clocks = <&sys_clkin1>, <&dpll_iva_byp_mux>;
+ reg = <0x01a0>, <0x01a4>, <0x01ac>, <0x01a8>;
+ };
+
+@@ -361,10 +385,18 @@
+ clock-div = <1>;
+ };
+
++ dpll_gpu_byp_mux: dpll_gpu_byp_mux {
++ #clock-cells = <0>;
++ compatible = "ti,mux-clock";
++ clocks = <&sys_clkin1>, <&dpll_abe_m3x2_ck>;
++ ti,bit-shift = <23>;
++ reg = <0x02e4>;
++ };
++
+ dpll_gpu_ck: dpll_gpu_ck {
+ #clock-cells = <0>;
+ compatible = "ti,omap4-dpll-clock";
+- clocks = <&sys_clkin1>, <&dpll_abe_m3x2_ck>;
++ clocks = <&sys_clkin1>, <&dpll_gpu_byp_mux>;
+ reg = <0x02d8>, <0x02dc>, <0x02e4>, <0x02e0>;
+ };
+
+@@ -398,10 +430,18 @@
+ clock-div = <1>;
+ };
+
++ dpll_ddr_byp_mux: dpll_ddr_byp_mux {
++ #clock-cells = <0>;
++ compatible = "ti,mux-clock";
++ clocks = <&sys_clkin1>, <&dpll_abe_m3x2_ck>;
++ ti,bit-shift = <23>;
++ reg = <0x021c>;
++ };
++
+ dpll_ddr_ck: dpll_ddr_ck {
+ #clock-cells = <0>;
+ compatible = "ti,omap4-dpll-clock";
+- clocks = <&sys_clkin1>, <&dpll_abe_m3x2_ck>;
++ clocks = <&sys_clkin1>, <&dpll_ddr_byp_mux>;
+ reg = <0x0210>, <0x0214>, <0x021c>, <0x0218>;
+ };
+
+@@ -416,10 +456,18 @@
+ ti,invert-autoidle-bit;
+ };
+
++ dpll_gmac_byp_mux: dpll_gmac_byp_mux {
++ #clock-cells = <0>;
++ compatible = "ti,mux-clock";
++ clocks = <&sys_clkin1>, <&dpll_abe_m3x2_ck>;
++ ti,bit-shift = <23>;
++ reg = <0x02b4>;
++ };
++
+ dpll_gmac_ck: dpll_gmac_ck {
+ #clock-cells = <0>;
+ compatible = "ti,omap4-dpll-clock";
+- clocks = <&sys_clkin1>, <&dpll_abe_m3x2_ck>;
++ clocks = <&sys_clkin1>, <&dpll_gmac_byp_mux>;
+ reg = <0x02a8>, <0x02ac>, <0x02b4>, <0x02b0>;
+ };
+
+@@ -482,10 +530,18 @@
+ clock-div = <1>;
+ };
+
++ dpll_eve_byp_mux: dpll_eve_byp_mux {
++ #clock-cells = <0>;
++ compatible = "ti,mux-clock";
++ clocks = <&sys_clkin1>, <&eve_dpll_hs_clk_div>;
++ ti,bit-shift = <23>;
++ reg = <0x0290>;
++ };
++
+ dpll_eve_ck: dpll_eve_ck {
+ #clock-cells = <0>;
+ compatible = "ti,omap4-dpll-clock";
+- clocks = <&sys_clkin1>, <&eve_dpll_hs_clk_div>;
++ clocks = <&sys_clkin1>, <&dpll_eve_byp_mux>;
+ reg = <0x0284>, <0x0288>, <0x0290>, <0x028c>;
+ };
+
+@@ -1249,10 +1305,18 @@
+ clock-div = <1>;
+ };
+
++ dpll_per_byp_mux: dpll_per_byp_mux {
++ #clock-cells = <0>;
++ compatible = "ti,mux-clock";
++ clocks = <&sys_clkin1>, <&per_dpll_hs_clk_div>;
++ ti,bit-shift = <23>;
++ reg = <0x014c>;
++ };
++
+ dpll_per_ck: dpll_per_ck {
+ #clock-cells = <0>;
+ compatible = "ti,omap4-dpll-clock";
+- clocks = <&sys_clkin1>, <&per_dpll_hs_clk_div>;
++ clocks = <&sys_clkin1>, <&dpll_per_byp_mux>;
+ reg = <0x0140>, <0x0144>, <0x014c>, <0x0148>;
+ };
+
+@@ -1275,10 +1339,18 @@
+ clock-div = <1>;
+ };
+
++ dpll_usb_byp_mux: dpll_usb_byp_mux {
++ #clock-cells = <0>;
++ compatible = "ti,mux-clock";
++ clocks = <&sys_clkin1>, <&usb_dpll_hs_clk_div>;
++ ti,bit-shift = <23>;
++ reg = <0x018c>;
++ };
++
+ dpll_usb_ck: dpll_usb_ck {
+ #clock-cells = <0>;
+ compatible = "ti,omap4-dpll-j-type-clock";
+- clocks = <&sys_clkin1>, <&usb_dpll_hs_clk_div>;
++ clocks = <&sys_clkin1>, <&dpll_usb_byp_mux>;
+ reg = <0x0180>, <0x0184>, <0x018c>, <0x0188>;
+ };
+
+diff --git a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
+index baf2f00d519a..b57e554dba4e 100644
+--- a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
++++ b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
+@@ -35,6 +35,7 @@
+ regulator-max-microvolt = <5000000>;
+ gpio = <&gpio3 22 0>;
+ enable-active-high;
++ vin-supply = <&swbst_reg>;
+ };
+
+ reg_usb_h1_vbus: regulator@1 {
+@@ -45,6 +46,7 @@
+ regulator-max-microvolt = <5000000>;
+ gpio = <&gpio1 29 0>;
+ enable-active-high;
++ vin-supply = <&swbst_reg>;
+ };
+
+ reg_audio: regulator@2 {
+diff --git a/arch/arm/crypto/aesbs-core.S_shipped b/arch/arm/crypto/aesbs-core.S_shipped
+index 71e5fc7cfb18..1d1800f71c5b 100644
+--- a/arch/arm/crypto/aesbs-core.S_shipped
++++ b/arch/arm/crypto/aesbs-core.S_shipped
+@@ -58,14 +58,18 @@
+ # define VFP_ABI_FRAME 0
+ # define BSAES_ASM_EXTENDED_KEY
+ # define XTS_CHAIN_TWEAK
+-# define __ARM_ARCH__ 7
++# define __ARM_ARCH__ __LINUX_ARM_ARCH__
++# define __ARM_MAX_ARCH__ 7
+ #endif
+
+ #ifdef __thumb__
+ # define adrl adr
+ #endif
+
+-#if __ARM_ARCH__>=7
++#if __ARM_MAX_ARCH__>=7
++.arch armv7-a
++.fpu neon
++
+ .text
+ .syntax unified @ ARMv7-capable assembler is expected to handle this
+ #ifdef __thumb2__
+@@ -74,8 +78,6 @@
+ .code 32
+ #endif
+
+-.fpu neon
+-
+ .type _bsaes_decrypt8,%function
+ .align 4
+ _bsaes_decrypt8:
+@@ -2095,9 +2097,11 @@ bsaes_xts_decrypt:
+ vld1.8 {q8}, [r0] @ initial tweak
+ adr r2, .Lxts_magic
+
++#ifndef XTS_CHAIN_TWEAK
+ tst r9, #0xf @ if not multiple of 16
+ it ne @ Thumb2 thing, sanity check in ARM
+ subne r9, #0x10 @ subtract another 16 bytes
++#endif
+ subs r9, #0x80
+
+ blo .Lxts_dec_short
+diff --git a/arch/arm/crypto/bsaes-armv7.pl b/arch/arm/crypto/bsaes-armv7.pl
+index be068db960ee..a4d3856e7d24 100644
+--- a/arch/arm/crypto/bsaes-armv7.pl
++++ b/arch/arm/crypto/bsaes-armv7.pl
+@@ -701,14 +701,18 @@ $code.=<<___;
+ # define VFP_ABI_FRAME 0
+ # define BSAES_ASM_EXTENDED_KEY
+ # define XTS_CHAIN_TWEAK
+-# define __ARM_ARCH__ 7
++# define __ARM_ARCH__ __LINUX_ARM_ARCH__
++# define __ARM_MAX_ARCH__ 7
+ #endif
+
+ #ifdef __thumb__
+ # define adrl adr
+ #endif
+
+-#if __ARM_ARCH__>=7
++#if __ARM_MAX_ARCH__>=7
++.arch armv7-a
++.fpu neon
++
+ .text
+ .syntax unified @ ARMv7-capable assembler is expected to handle this
+ #ifdef __thumb2__
+@@ -717,8 +721,6 @@ $code.=<<___;
+ .code 32
+ #endif
+
+-.fpu neon
+-
+ .type _bsaes_decrypt8,%function
+ .align 4
+ _bsaes_decrypt8:
+@@ -2076,9 +2078,11 @@ bsaes_xts_decrypt:
+ vld1.8 {@XMM[8]}, [r0] @ initial tweak
+ adr $magic, .Lxts_magic
+
++#ifndef XTS_CHAIN_TWEAK
+ tst $len, #0xf @ if not multiple of 16
+ it ne @ Thumb2 thing, sanity check in ARM
+ subne $len, #0x10 @ subtract another 16 bytes
++#endif
+ subs $len, #0x80
+
+ blo .Lxts_dec_short
+diff --git a/arch/arm/mach-at91/pm.h b/arch/arm/mach-at91/pm.h
+index c5101dcb4fb0..1d4df3b70ebc 100644
+--- a/arch/arm/mach-at91/pm.h
++++ b/arch/arm/mach-at91/pm.h
+@@ -45,7 +45,7 @@ static inline void at91rm9200_standby(void)
+ " mcr p15, 0, %0, c7, c0, 4\n\t"
+ " str %5, [%1, %2]"
+ :
+- : "r" (0), "r" (AT91_BASE_SYS), "r" (AT91RM9200_SDRAMC_LPR),
++ : "r" (0), "r" (at91_ramc_base[0]), "r" (AT91RM9200_SDRAMC_LPR),
+ "r" (1), "r" (AT91RM9200_SDRAMC_SRR),
+ "r" (lpr));
+ }
+diff --git a/arch/arm64/include/asm/tlb.h b/arch/arm64/include/asm/tlb.h
+index a82c0c5c8b52..53d9c354219f 100644
+--- a/arch/arm64/include/asm/tlb.h
++++ b/arch/arm64/include/asm/tlb.h
+@@ -19,10 +19,6 @@
+ #ifndef __ASM_TLB_H
+ #define __ASM_TLB_H
+
+-#define __tlb_remove_pmd_tlb_entry __tlb_remove_pmd_tlb_entry
+-
+-#include <asm-generic/tlb.h>
+-
+ #include <linux/pagemap.h>
+ #include <linux/swap.h>
+
+@@ -37,71 +33,23 @@ static inline void __tlb_remove_table(void *_table)
+ #define tlb_remove_entry(tlb, entry) tlb_remove_page(tlb, entry)
+ #endif /* CONFIG_HAVE_RCU_TABLE_FREE */
+
+-/*
+- * There's three ways the TLB shootdown code is used:
+- * 1. Unmapping a range of vmas. See zap_page_range(), unmap_region().
+- * tlb->fullmm = 0, and tlb_start_vma/tlb_end_vma will be called.
+- * 2. Unmapping all vmas. See exit_mmap().
+- * tlb->fullmm = 1, and tlb_start_vma/tlb_end_vma will be called.
+- * Page tables will be freed.
+- * 3. Unmapping argument pages. See shift_arg_pages().
+- * tlb->fullmm = 0, but tlb_start_vma/tlb_end_vma will not be called.
+- */
++#include <asm-generic/tlb.h>
++
+ static inline void tlb_flush(struct mmu_gather *tlb)
+ {
+ if (tlb->fullmm) {
+ flush_tlb_mm(tlb->mm);
+- } else if (tlb->end > 0) {
++ } else {
+ struct vm_area_struct vma = { .vm_mm = tlb->mm, };
+ flush_tlb_range(&vma, tlb->start, tlb->end);
+- tlb->start = TASK_SIZE;
+- tlb->end = 0;
+- }
+-}
+-
+-static inline void tlb_add_flush(struct mmu_gather *tlb, unsigned long addr)
+-{
+- if (!tlb->fullmm) {
+- tlb->start = min(tlb->start, addr);
+- tlb->end = max(tlb->end, addr + PAGE_SIZE);
+- }
+-}
+-
+-/*
+- * Memorize the range for the TLB flush.
+- */
+-static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep,
+- unsigned long addr)
+-{
+- tlb_add_flush(tlb, addr);
+-}
+-
+-/*
+- * In the case of tlb vma handling, we can optimise these away in the
+- * case where we're doing a full MM flush. When we're doing a munmap,
+- * the vmas are adjusted to only cover the region to be torn down.
+- */
+-static inline void tlb_start_vma(struct mmu_gather *tlb,
+- struct vm_area_struct *vma)
+-{
+- if (!tlb->fullmm) {
+- tlb->start = TASK_SIZE;
+- tlb->end = 0;
+ }
+ }
+
+-static inline void tlb_end_vma(struct mmu_gather *tlb,
+- struct vm_area_struct *vma)
+-{
+- if (!tlb->fullmm)
+- tlb_flush(tlb);
+-}
+-
+ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte,
+ unsigned long addr)
+ {
++ __flush_tlb_pgtable(tlb->mm, addr);
+ pgtable_page_dtor(pte);
+- tlb_add_flush(tlb, addr);
+ tlb_remove_entry(tlb, pte);
+ }
+
+@@ -109,7 +57,7 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte,
+ static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp,
+ unsigned long addr)
+ {
+- tlb_add_flush(tlb, addr);
++ __flush_tlb_pgtable(tlb->mm, addr);
+ tlb_remove_entry(tlb, virt_to_page(pmdp));
+ }
+ #endif
+@@ -118,15 +66,9 @@ static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp,
+ static inline void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pudp,
+ unsigned long addr)
+ {
+- tlb_add_flush(tlb, addr);
++ __flush_tlb_pgtable(tlb->mm, addr);
+ tlb_remove_entry(tlb, virt_to_page(pudp));
+ }
+ #endif
+
+-static inline void __tlb_remove_pmd_tlb_entry(struct mmu_gather *tlb, pmd_t *pmdp,
+- unsigned long address)
+-{
+- tlb_add_flush(tlb, address);
+-}
+-
+ #endif
+diff --git a/arch/arm64/include/asm/tlbflush.h b/arch/arm64/include/asm/tlbflush.h
+index 73f0ce570fb3..8b8d8cb46e01 100644
+--- a/arch/arm64/include/asm/tlbflush.h
++++ b/arch/arm64/include/asm/tlbflush.h
+@@ -149,6 +149,19 @@ static inline void flush_tlb_kernel_range(unsigned long start, unsigned long end
+ }
+
+ /*
++ * Used to invalidate the TLB (walk caches) corresponding to intermediate page
++ * table levels (pgd/pud/pmd).
++ */
++static inline void __flush_tlb_pgtable(struct mm_struct *mm,
++ unsigned long uaddr)
++{
++ unsigned long addr = uaddr >> 12 | ((unsigned long)ASID(mm) << 48);
++
++ dsb(ishst);
++ asm("tlbi vae1is, %0" : : "r" (addr));
++ dsb(ish);
++}
++/*
+ * On AArch64, the cache coherency is handled via the set_pte_at() function.
+ */
+ static inline void update_mmu_cache(struct vm_area_struct *vma,
+diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
+index d92094203913..df34a70caca1 100644
+--- a/arch/arm64/mm/dma-mapping.c
++++ b/arch/arm64/mm/dma-mapping.c
+@@ -51,7 +51,7 @@ static int __init early_coherent_pool(char *p)
+ }
+ early_param("coherent_pool", early_coherent_pool);
+
+-static void *__alloc_from_pool(size_t size, struct page **ret_page)
++static void *__alloc_from_pool(size_t size, struct page **ret_page, gfp_t flags)
+ {
+ unsigned long val;
+ void *ptr = NULL;
+@@ -67,6 +67,8 @@ static void *__alloc_from_pool(size_t size, struct page **ret_page)
+
+ *ret_page = phys_to_page(phys);
+ ptr = (void *)val;
++ if (flags & __GFP_ZERO)
++ memset(ptr, 0, size);
+ }
+
+ return ptr;
+@@ -101,6 +103,7 @@ static void *__dma_alloc_coherent(struct device *dev, size_t size,
+ flags |= GFP_DMA;
+ if (IS_ENABLED(CONFIG_DMA_CMA) && (flags & __GFP_WAIT)) {
+ struct page *page;
++ void *addr;
+
+ size = PAGE_ALIGN(size);
+ page = dma_alloc_from_contiguous(dev, size >> PAGE_SHIFT,
+@@ -109,7 +112,10 @@ static void *__dma_alloc_coherent(struct device *dev, size_t size,
+ return NULL;
+
+ *dma_handle = phys_to_dma(dev, page_to_phys(page));
+- return page_address(page);
++ addr = page_address(page);
++ if (flags & __GFP_ZERO)
++ memset(addr, 0, size);
++ return addr;
+ } else {
+ return swiotlb_alloc_coherent(dev, size, dma_handle, flags);
+ }
+@@ -145,7 +151,7 @@ static void *__dma_alloc_noncoherent(struct device *dev, size_t size,
+
+ if (!(flags & __GFP_WAIT)) {
+ struct page *page = NULL;
+- void *addr = __alloc_from_pool(size, &page);
++ void *addr = __alloc_from_pool(size, &page, flags);
+
+ if (addr)
+ *dma_handle = phys_to_dma(dev, page_to_phys(page));
+diff --git a/arch/microblaze/include/asm/tlb.h b/arch/microblaze/include/asm/tlb.h
+index 8aa97817cc8c..99b6ded54849 100644
+--- a/arch/microblaze/include/asm/tlb.h
++++ b/arch/microblaze/include/asm/tlb.h
+@@ -14,7 +14,6 @@
+ #define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
+
+ #include <linux/pagemap.h>
+-#include <asm-generic/tlb.h>
+
+ #ifdef CONFIG_MMU
+ #define tlb_start_vma(tlb, vma) do { } while (0)
+@@ -22,4 +21,6 @@
+ #define __tlb_remove_tlb_entry(tlb, pte, address) do { } while (0)
+ #endif
+
++#include <asm-generic/tlb.h>
++
+ #endif /* _ASM_MICROBLAZE_TLB_H */
+diff --git a/arch/powerpc/include/asm/pgalloc.h b/arch/powerpc/include/asm/pgalloc.h
+index e9a9f60e596d..fc3ee06eab87 100644
+--- a/arch/powerpc/include/asm/pgalloc.h
++++ b/arch/powerpc/include/asm/pgalloc.h
+@@ -3,7 +3,6 @@
+ #ifdef __KERNEL__
+
+ #include <linux/mm.h>
+-#include <asm-generic/tlb.h>
+
+ #ifdef CONFIG_PPC_BOOK3E
+ extern void tlb_flush_pgtable(struct mmu_gather *tlb, unsigned long address);
+@@ -14,6 +13,8 @@ static inline void tlb_flush_pgtable(struct mmu_gather *tlb,
+ }
+ #endif /* !CONFIG_PPC_BOOK3E */
+
++extern void tlb_remove_table(struct mmu_gather *tlb, void *table);
++
+ #ifdef CONFIG_PPC64
+ #include <asm/pgalloc-64.h>
+ #else
+diff --git a/arch/powerpc/include/asm/tlb.h b/arch/powerpc/include/asm/tlb.h
+index e2b428b0f7ba..20733fa518ae 100644
+--- a/arch/powerpc/include/asm/tlb.h
++++ b/arch/powerpc/include/asm/tlb.h
+@@ -27,6 +27,7 @@
+
+ #define tlb_start_vma(tlb, vma) do { } while (0)
+ #define tlb_end_vma(tlb, vma) do { } while (0)
++#define __tlb_remove_tlb_entry __tlb_remove_tlb_entry
+
+ extern void tlb_flush(struct mmu_gather *tlb);
+
+diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
+index 7e70ae968e5f..6a4a5fcb9730 100644
+--- a/arch/powerpc/mm/hugetlbpage.c
++++ b/arch/powerpc/mm/hugetlbpage.c
+@@ -517,8 +517,6 @@ static void free_hugepd_range(struct mmu_gather *tlb, hugepd_t *hpdp, int pdshif
+ for (i = 0; i < num_hugepd; i++, hpdp++)
+ hpdp->pd = 0;
+
+- tlb->need_flush = 1;
+-
+ #ifdef CONFIG_PPC_FSL_BOOK3E
+ hugepd_free(tlb, hugepte);
+ #else
+diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
+index ced09d8738b4..49e4d64ff74d 100644
+--- a/arch/s390/kvm/kvm-s390.c
++++ b/arch/s390/kvm/kvm-s390.c
+@@ -152,7 +152,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
+ case KVM_CAP_ONE_REG:
+ case KVM_CAP_ENABLE_CAP:
+ case KVM_CAP_S390_CSS_SUPPORT:
+- case KVM_CAP_IRQFD:
+ case KVM_CAP_IOEVENTFD:
+ case KVM_CAP_DEVICE_CTRL:
+ case KVM_CAP_ENABLE_CAP_VM:
+diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
+index 46a5e4508752..af53c25da2e7 100644
+--- a/arch/sparc/kernel/perf_event.c
++++ b/arch/sparc/kernel/perf_event.c
+@@ -960,6 +960,8 @@ out:
+ cpuc->pcr[0] |= cpuc->event[0]->hw.config_base;
+ }
+
++static void sparc_pmu_start(struct perf_event *event, int flags);
++
+ /* On this PMU each PIC has it's own PCR control register. */
+ static void calculate_multiple_pcrs(struct cpu_hw_events *cpuc)
+ {
+@@ -972,20 +974,13 @@ static void calculate_multiple_pcrs(struct cpu_hw_events *cpuc)
+ struct perf_event *cp = cpuc->event[i];
+ struct hw_perf_event *hwc = &cp->hw;
+ int idx = hwc->idx;
+- u64 enc;
+
+ if (cpuc->current_idx[i] != PIC_NO_INDEX)
+ continue;
+
+- sparc_perf_event_set_period(cp, hwc, idx);
+ cpuc->current_idx[i] = idx;
+
+- enc = perf_event_get_enc(cpuc->events[i]);
+- cpuc->pcr[idx] &= ~mask_for_index(idx);
+- if (hwc->state & PERF_HES_STOPPED)
+- cpuc->pcr[idx] |= nop_for_index(idx);
+- else
+- cpuc->pcr[idx] |= event_encoding(enc, idx);
++ sparc_pmu_start(cp, PERF_EF_RELOAD);
+ }
+ out:
+ for (i = 0; i < cpuc->n_events; i++) {
+@@ -1101,7 +1096,6 @@ static void sparc_pmu_del(struct perf_event *event, int _flags)
+ int i;
+
+ local_irq_save(flags);
+- perf_pmu_disable(event->pmu);
+
+ for (i = 0; i < cpuc->n_events; i++) {
+ if (event == cpuc->event[i]) {
+@@ -1127,7 +1121,6 @@ static void sparc_pmu_del(struct perf_event *event, int _flags)
+ }
+ }
+
+- perf_pmu_enable(event->pmu);
+ local_irq_restore(flags);
+ }
+
+@@ -1361,7 +1354,6 @@ static int sparc_pmu_add(struct perf_event *event, int ef_flags)
+ unsigned long flags;
+
+ local_irq_save(flags);
+- perf_pmu_disable(event->pmu);
+
+ n0 = cpuc->n_events;
+ if (n0 >= sparc_pmu->max_hw_events)
+@@ -1394,7 +1386,6 @@ nocheck:
+
+ ret = 0;
+ out:
+- perf_pmu_enable(event->pmu);
+ local_irq_restore(flags);
+ return ret;
+ }
+diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
+index 0be7bf978cb1..46a59643bb1c 100644
+--- a/arch/sparc/kernel/process_64.c
++++ b/arch/sparc/kernel/process_64.c
+@@ -287,6 +287,8 @@ void arch_trigger_all_cpu_backtrace(bool include_self)
+ printk(" TPC[%lx] O7[%lx] I7[%lx] RPC[%lx]\n",
+ gp->tpc, gp->o7, gp->i7, gp->rpc);
+ }
++
++ touch_nmi_watchdog();
+ }
+
+ memset(global_cpu_snapshot, 0, sizeof(global_cpu_snapshot));
+@@ -362,6 +364,8 @@ static void pmu_snapshot_all_cpus(void)
+ (cpu == this_cpu ? '*' : ' '), cpu,
+ pp->pcr[0], pp->pcr[1], pp->pcr[2], pp->pcr[3],
+ pp->pic[0], pp->pic[1], pp->pic[2], pp->pic[3]);
++
++ touch_nmi_watchdog();
+ }
+
+ memset(global_cpu_snapshot, 0, sizeof(global_cpu_snapshot));
+diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
+index c85403d0496c..30e7ddb27a3a 100644
+--- a/arch/sparc/kernel/sys_sparc_64.c
++++ b/arch/sparc/kernel/sys_sparc_64.c
+@@ -333,7 +333,7 @@ SYSCALL_DEFINE6(sparc_ipc, unsigned int, call, int, first, unsigned long, second
+ long err;
+
+ /* No need for backward compatibility. We can start fresh... */
+- if (call <= SEMCTL) {
++ if (call <= SEMTIMEDOP) {
+ switch (call) {
+ case SEMOP:
+ err = sys_semtimedop(first, ptr,
+diff --git a/arch/sparc/lib/memmove.S b/arch/sparc/lib/memmove.S
+index b7f6334e159f..857ad4f8905f 100644
+--- a/arch/sparc/lib/memmove.S
++++ b/arch/sparc/lib/memmove.S
+@@ -8,9 +8,11 @@
+
+ .text
+ ENTRY(memmove) /* o0=dst o1=src o2=len */
+- mov %o0, %g1
++ brz,pn %o2, 99f
++ mov %o0, %g1
++
+ cmp %o0, %o1
+- bleu,pt %xcc, memcpy
++ bleu,pt %xcc, 2f
+ add %o1, %o2, %g7
+ cmp %g7, %o0
+ bleu,pt %xcc, memcpy
+@@ -24,7 +26,34 @@ ENTRY(memmove) /* o0=dst o1=src o2=len */
+ stb %g7, [%o0]
+ bne,pt %icc, 1b
+ sub %o0, 1, %o0
+-
++99:
+ retl
+ mov %g1, %o0
++
++ /* We can't just call memcpy for these memmove cases. On some
++ * chips the memcpy uses cache initializing stores and when dst
++ * and src are close enough, those can clobber the source data
++ * before we've loaded it in.
++ */
++2: or %o0, %o1, %g7
++ or %o2, %g7, %g7
++ andcc %g7, 0x7, %g0
++ bne,pn %xcc, 4f
++ nop
++
++3: ldx [%o1], %g7
++ add %o1, 8, %o1
++ subcc %o2, 8, %o2
++ add %o0, 8, %o0
++ bne,pt %icc, 3b
++ stx %g7, [%o0 - 0x8]
++ ba,a,pt %xcc, 99b
++
++4: ldub [%o1], %g7
++ add %o1, 1, %o1
++ subcc %o2, 1, %o2
++ add %o0, 1, %o0
++ bne,pt %icc, 4b
++ stb %g7, [%o0 - 0x1]
++ ba,a,pt %xcc, 99b
+ ENDPROC(memmove)
+diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
+index be65f035d18a..5cbc96d801ff 100644
+--- a/arch/sparc/mm/srmmu.c
++++ b/arch/sparc/mm/srmmu.c
+@@ -460,10 +460,12 @@ static void __init sparc_context_init(int numctx)
+ void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm,
+ struct task_struct *tsk)
+ {
++ unsigned long flags;
++
+ if (mm->context == NO_CONTEXT) {
+- spin_lock(&srmmu_context_spinlock);
++ spin_lock_irqsave(&srmmu_context_spinlock, flags);
+ alloc_context(old_mm, mm);
+- spin_unlock(&srmmu_context_spinlock);
++ spin_unlock_irqrestore(&srmmu_context_spinlock, flags);
+ srmmu_ctxd_set(&srmmu_context_table[mm->context], mm->pgd);
+ }
+
+@@ -986,14 +988,15 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm)
+
+ void destroy_context(struct mm_struct *mm)
+ {
++ unsigned long flags;
+
+ if (mm->context != NO_CONTEXT) {
+ flush_cache_mm(mm);
+ srmmu_ctxd_set(&srmmu_context_table[mm->context], srmmu_swapper_pg_dir);
+ flush_tlb_mm(mm);
+- spin_lock(&srmmu_context_spinlock);
++ spin_lock_irqsave(&srmmu_context_spinlock, flags);
+ free_context(mm->context);
+- spin_unlock(&srmmu_context_spinlock);
++ spin_unlock_irqrestore(&srmmu_context_spinlock, flags);
+ mm->context = NO_CONTEXT;
+ }
+ }
+diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c
+index 70fece226d17..5a93783a8a0d 100644
+--- a/arch/x86/crypto/aesni-intel_glue.c
++++ b/arch/x86/crypto/aesni-intel_glue.c
+@@ -1137,7 +1137,7 @@ static int __driver_rfc4106_decrypt(struct aead_request *req)
+ src = kmalloc(req->cryptlen + req->assoclen, GFP_ATOMIC);
+ if (!src)
+ return -ENOMEM;
+- assoc = (src + req->cryptlen + auth_tag_len);
++ assoc = (src + req->cryptlen);
+ scatterwalk_map_and_copy(src, req->src, 0, req->cryptlen, 0);
+ scatterwalk_map_and_copy(assoc, req->assoc, 0,
+ req->assoclen, 0);
+@@ -1162,7 +1162,7 @@ static int __driver_rfc4106_decrypt(struct aead_request *req)
+ scatterwalk_done(&src_sg_walk, 0, 0);
+ scatterwalk_done(&assoc_sg_walk, 0, 0);
+ } else {
+- scatterwalk_map_and_copy(dst, req->dst, 0, req->cryptlen, 1);
++ scatterwalk_map_and_copy(dst, req->dst, 0, tempCipherLen, 1);
+ kfree(src);
+ }
+ return retval;
+diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h
+index e97622f57722..f895358db0ab 100644
+--- a/arch/x86/include/asm/fpu-internal.h
++++ b/arch/x86/include/asm/fpu-internal.h
+@@ -368,7 +368,7 @@ static inline void drop_fpu(struct task_struct *tsk)
+ preempt_disable();
+ tsk->thread.fpu_counter = 0;
+ __drop_fpu(tsk);
+- clear_used_math();
++ clear_stopped_child_used_math(tsk);
+ preempt_enable();
+ }
+
+diff --git a/arch/x86/kernel/apic/apic_numachip.c b/arch/x86/kernel/apic/apic_numachip.c
+index 4128b5fcb559..2aaee79fb129 100644
+--- a/arch/x86/kernel/apic/apic_numachip.c
++++ b/arch/x86/kernel/apic/apic_numachip.c
+@@ -40,7 +40,7 @@ static unsigned int get_apic_id(unsigned long x)
+ unsigned int id;
+
+ rdmsrl(MSR_FAM10H_NODE_ID, value);
+- id = ((x >> 24) & 0xffU) | ((value << 2) & 0x3f00U);
++ id = ((x >> 24) & 0xffU) | ((value << 2) & 0xff00U);
+
+ return id;
+ }
+diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c
+index 0de1fae2bdf0..8be1e1711203 100644
+--- a/arch/x86/kernel/xsave.c
++++ b/arch/x86/kernel/xsave.c
+@@ -378,7 +378,7 @@ int __restore_xstate_sig(void __user *buf, void __user *buf_fx, int size)
+ * thread's fpu state, reconstruct fxstate from the fsave
+ * header. Sanitize the copied state etc.
+ */
+- struct xsave_struct *xsave = &tsk->thread.fpu.state->xsave;
++ struct fpu *fpu = &tsk->thread.fpu;
+ struct user_i387_ia32_struct env;
+ int err = 0;
+
+@@ -392,14 +392,15 @@ int __restore_xstate_sig(void __user *buf, void __user *buf_fx, int size)
+ */
+ drop_fpu(tsk);
+
+- if (__copy_from_user(xsave, buf_fx, state_size) ||
++ if (__copy_from_user(&fpu->state->xsave, buf_fx, state_size) ||
+ __copy_from_user(&env, buf, sizeof(env))) {
++ fpu_finit(fpu);
+ err = -1;
+ } else {
+ sanitize_restored_xstate(tsk, &env, xstate_bv, fx_only);
+- set_used_math();
+ }
+
++ set_used_math();
+ if (use_eager_fpu()) {
+ preempt_disable();
+ math_state_restore();
+diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
+index 8b92cf4b165a..a38dd816015b 100644
+--- a/arch/x86/kvm/x86.c
++++ b/arch/x86/kvm/x86.c
+@@ -2713,7 +2713,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
+ case KVM_CAP_USER_NMI:
+ case KVM_CAP_REINJECT_CONTROL:
+ case KVM_CAP_IRQ_INJECT_STATUS:
+- case KVM_CAP_IRQFD:
+ case KVM_CAP_IOEVENTFD:
+ case KVM_CAP_IOEVENTFD_NO_LENGTH:
+ case KVM_CAP_PIT2:
+diff --git a/arch/x86/vdso/vdso32/sigreturn.S b/arch/x86/vdso/vdso32/sigreturn.S
+index 31776d0efc8c..d7ec4e251c0a 100644
+--- a/arch/x86/vdso/vdso32/sigreturn.S
++++ b/arch/x86/vdso/vdso32/sigreturn.S
+@@ -17,6 +17,7 @@
+ .text
+ .globl __kernel_sigreturn
+ .type __kernel_sigreturn,@function
++ nop /* this guy is needed for .LSTARTFDEDLSI1 below (watch for HACK) */
+ ALIGN
+ __kernel_sigreturn:
+ .LSTART_sigreturn:
+diff --git a/drivers/char/tpm/tpm_i2c_stm_st33.c b/drivers/char/tpm/tpm_i2c_stm_st33.c
+index 7d1c540fa26a..3f187a529e92 100644
+--- a/drivers/char/tpm/tpm_i2c_stm_st33.c
++++ b/drivers/char/tpm/tpm_i2c_stm_st33.c
+@@ -397,7 +397,7 @@ static int wait_for_stat(struct tpm_chip *chip, u8 mask, unsigned long timeout,
+ */
+ static int recv_data(struct tpm_chip *chip, u8 *buf, size_t count)
+ {
+- int size = 0, burstcnt, len;
++ int size = 0, burstcnt, len, ret;
+ struct i2c_client *client;
+
+ client = (struct i2c_client *)TPM_VPRIV(chip);
+@@ -406,13 +406,15 @@ static int recv_data(struct tpm_chip *chip, u8 *buf, size_t count)
+ wait_for_stat(chip,
+ TPM_STS_DATA_AVAIL | TPM_STS_VALID,
+ chip->vendor.timeout_c,
+- &chip->vendor.read_queue)
+- == 0) {
++ &chip->vendor.read_queue) == 0) {
+ burstcnt = get_burstcount(chip);
+ if (burstcnt < 0)
+ return burstcnt;
+ len = min_t(int, burstcnt, count - size);
+- I2C_READ_DATA(client, TPM_DATA_FIFO, buf + size, len);
++ ret = I2C_READ_DATA(client, TPM_DATA_FIFO, buf + size, len);
++ if (ret < 0)
++ return ret;
++
+ size += len;
+ }
+ return size;
+diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c
+index eff9d5870034..102463ba745d 100644
+--- a/drivers/char/tpm/tpm_ibmvtpm.c
++++ b/drivers/char/tpm/tpm_ibmvtpm.c
+@@ -124,7 +124,7 @@ static int tpm_ibmvtpm_send(struct tpm_chip *chip, u8 *buf, size_t count)
+ {
+ struct ibmvtpm_dev *ibmvtpm;
+ struct ibmvtpm_crq crq;
+- u64 *word = (u64 *) &crq;
++ __be64 *word = (__be64 *)&crq;
+ int rc;
+
+ ibmvtpm = (struct ibmvtpm_dev *)TPM_VPRIV(chip);
+@@ -145,11 +145,11 @@ static int tpm_ibmvtpm_send(struct tpm_chip *chip, u8 *buf, size_t count)
+ memcpy((void *)ibmvtpm->rtce_buf, (void *)buf, count);
+ crq.valid = (u8)IBMVTPM_VALID_CMD;
+ crq.msg = (u8)VTPM_TPM_COMMAND;
+- crq.len = (u16)count;
+- crq.data = ibmvtpm->rtce_dma_handle;
++ crq.len = cpu_to_be16(count);
++ crq.data = cpu_to_be32(ibmvtpm->rtce_dma_handle);
+
+- rc = ibmvtpm_send_crq(ibmvtpm->vdev, cpu_to_be64(word[0]),
+- cpu_to_be64(word[1]));
++ rc = ibmvtpm_send_crq(ibmvtpm->vdev, be64_to_cpu(word[0]),
++ be64_to_cpu(word[1]));
+ if (rc != H_SUCCESS) {
+ dev_err(ibmvtpm->dev, "tpm_ibmvtpm_send failed rc=%d\n", rc);
+ rc = 0;
+diff --git a/drivers/char/tpm/tpm_ibmvtpm.h b/drivers/char/tpm/tpm_ibmvtpm.h
+index bd82a791f995..b2c231b1beec 100644
+--- a/drivers/char/tpm/tpm_ibmvtpm.h
++++ b/drivers/char/tpm/tpm_ibmvtpm.h
+@@ -22,9 +22,9 @@
+ struct ibmvtpm_crq {
+ u8 valid;
+ u8 msg;
+- u16 len;
+- u32 data;
+- u64 reserved;
++ __be16 len;
++ __be32 data;
++ __be64 reserved;
+ } __attribute__((packed, aligned(8)));
+
+ struct ibmvtpm_crq_queue {
+diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
+index cf7a561fad7c..6e09c1dac2b7 100644
+--- a/drivers/char/virtio_console.c
++++ b/drivers/char/virtio_console.c
+@@ -142,6 +142,7 @@ struct ports_device {
+ * notification
+ */
+ struct work_struct control_work;
++ struct work_struct config_work;
+
+ struct list_head ports;
+
+@@ -1832,10 +1833,21 @@ static void config_intr(struct virtio_device *vdev)
+
+ portdev = vdev->priv;
+
++ if (!use_multiport(portdev))
++ schedule_work(&portdev->config_work);
++}
++
++static void config_work_handler(struct work_struct *work)
++{
++ struct ports_device *portdev;
++
++ portdev = container_of(work, struct ports_device, control_work);
+ if (!use_multiport(portdev)) {
++ struct virtio_device *vdev;
+ struct port *port;
+ u16 rows, cols;
+
++ vdev = portdev->vdev;
+ virtio_cread(vdev, struct virtio_console_config, cols, &cols);
+ virtio_cread(vdev, struct virtio_console_config, rows, &rows);
+
+@@ -2026,12 +2038,14 @@ static int virtcons_probe(struct virtio_device *vdev)
+
+ virtio_device_ready(portdev->vdev);
+
++ INIT_WORK(&portdev->config_work, &config_work_handler);
++ INIT_WORK(&portdev->control_work, &control_work_handler);
++
+ if (multiport) {
+ unsigned int nr_added_bufs;
+
+ spin_lock_init(&portdev->c_ivq_lock);
+ spin_lock_init(&portdev->c_ovq_lock);
+- INIT_WORK(&portdev->control_work, &control_work_handler);
+
+ nr_added_bufs = fill_queue(portdev->c_ivq,
+ &portdev->c_ivq_lock);
+@@ -2099,6 +2113,8 @@ static void virtcons_remove(struct virtio_device *vdev)
+ /* Finish up work that's lined up */
+ if (use_multiport(portdev))
+ cancel_work_sync(&portdev->control_work);
++ else
++ cancel_work_sync(&portdev->config_work);
+
+ list_for_each_entry_safe(port, port2, &portdev->ports, list)
+ unplug_port(port);
+@@ -2150,6 +2166,7 @@ static int virtcons_freeze(struct virtio_device *vdev)
+
+ virtqueue_disable_cb(portdev->c_ivq);
+ cancel_work_sync(&portdev->control_work);
++ cancel_work_sync(&portdev->config_work);
+ /*
+ * Once more: if control_work_handler() was running, it would
+ * enable the cb as the last step.
+diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
+index e79c8d3700d8..da41ad42d3a6 100644
+--- a/drivers/gpu/drm/drm_crtc.c
++++ b/drivers/gpu/drm/drm_crtc.c
+@@ -42,9 +42,10 @@
+ #include "drm_crtc_internal.h"
+ #include "drm_internal.h"
+
+-static struct drm_framebuffer *add_framebuffer_internal(struct drm_device *dev,
+- struct drm_mode_fb_cmd2 *r,
+- struct drm_file *file_priv);
++static struct drm_framebuffer *
++internal_framebuffer_create(struct drm_device *dev,
++ struct drm_mode_fb_cmd2 *r,
++ struct drm_file *file_priv);
+
+ /* Avoid boilerplate. I'm tired of typing. */
+ #define DRM_ENUM_NAME_FN(fnname, list) \
+@@ -2739,13 +2740,11 @@ static int drm_mode_cursor_universal(struct drm_crtc *crtc,
+ */
+ if (req->flags & DRM_MODE_CURSOR_BO) {
+ if (req->handle) {
+- fb = add_framebuffer_internal(dev, &fbreq, file_priv);
++ fb = internal_framebuffer_create(dev, &fbreq, file_priv);
+ if (IS_ERR(fb)) {
+ DRM_DEBUG_KMS("failed to wrap cursor buffer in drm framebuffer\n");
+ return PTR_ERR(fb);
+ }
+-
+- drm_framebuffer_reference(fb);
+ } else {
+ fb = NULL;
+ }
+@@ -3114,9 +3113,10 @@ static int framebuffer_check(const struct drm_mode_fb_cmd2 *r)
+ return 0;
+ }
+
+-static struct drm_framebuffer *add_framebuffer_internal(struct drm_device *dev,
+- struct drm_mode_fb_cmd2 *r,
+- struct drm_file *file_priv)
++static struct drm_framebuffer *
++internal_framebuffer_create(struct drm_device *dev,
++ struct drm_mode_fb_cmd2 *r,
++ struct drm_file *file_priv)
+ {
+ struct drm_mode_config *config = &dev->mode_config;
+ struct drm_framebuffer *fb;
+@@ -3148,12 +3148,6 @@ static struct drm_framebuffer *add_framebuffer_internal(struct drm_device *dev,
+ return fb;
+ }
+
+- mutex_lock(&file_priv->fbs_lock);
+- r->fb_id = fb->base.id;
+- list_add(&fb->filp_head, &file_priv->fbs);
+- DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
+- mutex_unlock(&file_priv->fbs_lock);
+-
+ return fb;
+ }
+
+@@ -3175,15 +3169,24 @@ static struct drm_framebuffer *add_framebuffer_internal(struct drm_device *dev,
+ int drm_mode_addfb2(struct drm_device *dev,
+ void *data, struct drm_file *file_priv)
+ {
++ struct drm_mode_fb_cmd2 *r = data;
+ struct drm_framebuffer *fb;
+
+ if (!drm_core_check_feature(dev, DRIVER_MODESET))
+ return -EINVAL;
+
+- fb = add_framebuffer_internal(dev, data, file_priv);
++ fb = internal_framebuffer_create(dev, r, file_priv);
+ if (IS_ERR(fb))
+ return PTR_ERR(fb);
+
++ /* Transfer ownership to the filp for reaping on close */
++
++ DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
++ mutex_lock(&file_priv->fbs_lock);
++ r->fb_id = fb->base.id;
++ list_add(&fb->filp_head, &file_priv->fbs);
++ mutex_unlock(&file_priv->fbs_lock);
++
+ return 0;
+ }
+
+diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
+index dce0d3918fa7..9f0e62529c46 100644
+--- a/drivers/gpu/drm/radeon/atombios_crtc.c
++++ b/drivers/gpu/drm/radeon/atombios_crtc.c
+@@ -1405,6 +1405,9 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
+ (x << 16) | y);
+ viewport_w = crtc->mode.hdisplay;
+ viewport_h = (crtc->mode.vdisplay + 1) & ~1;
++ if ((rdev->family >= CHIP_BONAIRE) &&
++ (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE))
++ viewport_h *= 2;
+ WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
+ (viewport_w << 16) | viewport_h);
+
+diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
+index 5f395be9b3e3..0c6fbc0198a5 100644
+--- a/drivers/gpu/drm/radeon/cik.c
++++ b/drivers/gpu/drm/radeon/cik.c
+@@ -7555,6 +7555,9 @@ int cik_irq_set(struct radeon_device *rdev)
+ WREG32(DC_HPD5_INT_CONTROL, hpd5);
+ WREG32(DC_HPD6_INT_CONTROL, hpd6);
+
++ /* posting read */
++ RREG32(SRBM_STATUS);
++
+ return 0;
+ }
+
+diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
+index 85995b4e3338..c674f63d7f14 100644
+--- a/drivers/gpu/drm/radeon/evergreen.c
++++ b/drivers/gpu/drm/radeon/evergreen.c
+@@ -4589,6 +4589,9 @@ int evergreen_irq_set(struct radeon_device *rdev)
+ WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, afmt5);
+ WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, afmt6);
+
++ /* posting read */
++ RREG32(SRBM_STATUS);
++
+ return 0;
+ }
+
+diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
+index cdf6e2149539..a959cc1e7c8e 100644
+--- a/drivers/gpu/drm/radeon/r100.c
++++ b/drivers/gpu/drm/radeon/r100.c
+@@ -728,6 +728,10 @@ int r100_irq_set(struct radeon_device *rdev)
+ tmp |= RADEON_FP2_DETECT_MASK;
+ }
+ WREG32(RADEON_GEN_INT_CNTL, tmp);
++
++ /* read back to post the write */
++ RREG32(RADEON_GEN_INT_CNTL);
++
+ return 0;
+ }
+
+diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
+index 56b02927cd3d..ee0868dec2f4 100644
+--- a/drivers/gpu/drm/radeon/r600.c
++++ b/drivers/gpu/drm/radeon/r600.c
+@@ -3787,6 +3787,9 @@ int r600_irq_set(struct radeon_device *rdev)
+ WREG32(RV770_CG_THERMAL_INT, thermal_int);
+ }
+
++ /* posting read */
++ RREG32(R_000E50_SRBM_STATUS);
++
+ return 0;
+ }
+
+diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
+index 6f377de099f9..a5b7f6f98f5f 100644
+--- a/drivers/gpu/drm/radeon/radeon_cs.c
++++ b/drivers/gpu/drm/radeon/radeon_cs.c
+@@ -275,11 +275,13 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
+ u32 ring = RADEON_CS_RING_GFX;
+ s32 priority = 0;
+
++ INIT_LIST_HEAD(&p->validated);
++
+ if (!cs->num_chunks) {
+ return 0;
+ }
++
+ /* get chunks */
+- INIT_LIST_HEAD(&p->validated);
+ p->idx = 0;
+ p->ib.sa_bo = NULL;
+ p->ib.semaphore = NULL;
+diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
+index 995167025282..8569afaba688 100644
+--- a/drivers/gpu/drm/radeon/radeon_fence.c
++++ b/drivers/gpu/drm/radeon/radeon_fence.c
+@@ -1029,37 +1029,59 @@ static inline bool radeon_test_signaled(struct radeon_fence *fence)
+ return test_bit(FENCE_FLAG_SIGNALED_BIT, &fence->base.flags);
+ }
+
++struct radeon_wait_cb {
++ struct fence_cb base;
++ struct task_struct *task;
++};
++
++static void
++radeon_fence_wait_cb(struct fence *fence, struct fence_cb *cb)
++{
++ struct radeon_wait_cb *wait =
++ container_of(cb, struct radeon_wait_cb, base);
++
++ wake_up_process(wait->task);
++}
++
+ static signed long radeon_fence_default_wait(struct fence *f, bool intr,
+ signed long t)
+ {
+ struct radeon_fence *fence = to_radeon_fence(f);
+ struct radeon_device *rdev = fence->rdev;
+- bool signaled;
++ struct radeon_wait_cb cb;
+
+- fence_enable_sw_signaling(&fence->base);
++ cb.task = current;
+
+- /*
+- * This function has to return -EDEADLK, but cannot hold
+- * exclusive_lock during the wait because some callers
+- * may already hold it. This means checking needs_reset without
+- * lock, and not fiddling with any gpu internals.
+- *
+- * The callback installed with fence_enable_sw_signaling will
+- * run before our wait_event_*timeout call, so we will see
+- * both the signaled fence and the changes to needs_reset.
+- */
++ if (fence_add_callback(f, &cb.base, radeon_fence_wait_cb))
++ return t;
++
++ while (t > 0) {
++ if (intr)
++ set_current_state(TASK_INTERRUPTIBLE);
++ else
++ set_current_state(TASK_UNINTERRUPTIBLE);
++
++ /*
++ * radeon_test_signaled must be called after
++ * set_current_state to prevent a race with wake_up_process
++ */
++ if (radeon_test_signaled(fence))
++ break;
++
++ if (rdev->needs_reset) {
++ t = -EDEADLK;
++ break;
++ }
++
++ t = schedule_timeout(t);
++
++ if (t > 0 && intr && signal_pending(current))
++ t = -ERESTARTSYS;
++ }
++
++ __set_current_state(TASK_RUNNING);
++ fence_remove_callback(f, &cb.base);
+
+- if (intr)
+- t = wait_event_interruptible_timeout(rdev->fence_queue,
+- ((signaled = radeon_test_signaled(fence)) ||
+- rdev->needs_reset), t);
+- else
+- t = wait_event_timeout(rdev->fence_queue,
+- ((signaled = radeon_test_signaled(fence)) ||
+- rdev->needs_reset), t);
+-
+- if (t > 0 && !signaled)
+- return -EDEADLK;
+ return t;
+ }
+
+diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
+index 194f6245c379..2a7ba30165c7 100644
+--- a/drivers/gpu/drm/radeon/radeon_object.c
++++ b/drivers/gpu/drm/radeon/radeon_object.c
+@@ -151,19 +151,6 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain)
+ else
+ rbo->placements[i].lpfn = 0;
+ }
+-
+- /*
+- * Use two-ended allocation depending on the buffer size to
+- * improve fragmentation quality.
+- * 512kb was measured as the most optimal number.
+- */
+- if (!((rbo->flags & RADEON_GEM_CPU_ACCESS) &&
+- (rbo->placements[i].flags & TTM_PL_FLAG_VRAM)) &&
+- rbo->tbo.mem.size > 512 * 1024) {
+- for (i = 0; i < c; i++) {
+- rbo->placements[i].flags |= TTM_PL_FLAG_TOPDOWN;
+- }
+- }
+ }
+
+ int radeon_bo_create(struct radeon_device *rdev,
+diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
+index 74bce91aecc1..039660662ee8 100644
+--- a/drivers/gpu/drm/radeon/rs600.c
++++ b/drivers/gpu/drm/radeon/rs600.c
+@@ -693,6 +693,10 @@ int rs600_irq_set(struct radeon_device *rdev)
+ WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
+ if (ASIC_IS_DCE2(rdev))
+ WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
++
++ /* posting read */
++ RREG32(R_000040_GEN_INT_CNTL);
++
+ return 0;
+ }
+
+diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
+index 7d5083dc4acb..1c3d90c17cb3 100644
+--- a/drivers/gpu/drm/radeon/si.c
++++ b/drivers/gpu/drm/radeon/si.c
+@@ -6192,6 +6192,9 @@ int si_irq_set(struct radeon_device *rdev)
+
+ WREG32(CG_THERMAL_INT, thermal_int);
+
++ /* posting read */
++ RREG32(SRBM_STATUS);
++
+ return 0;
+ }
+
+@@ -7112,8 +7115,7 @@ int si_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
+ WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~UPLL_BYPASS_EN_MASK);
+
+ if (!vclk || !dclk) {
+- /* keep the Bypass mode, put PLL to sleep */
+- WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
++ /* keep the Bypass mode */
+ return 0;
+ }
+
+@@ -7129,8 +7131,7 @@ int si_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
+ /* set VCO_MODE to 1 */
+ WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_VCO_MODE_MASK, ~UPLL_VCO_MODE_MASK);
+
+- /* toggle UPLL_SLEEP to 1 then back to 0 */
+- WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
++ /* disable sleep mode */
+ WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_SLEEP_MASK);
+
+ /* deassert UPLL_RESET */
+diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+index 810dac80179c..0426b5bed8fc 100644
+--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
++++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+@@ -725,32 +725,6 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
+ goto out_err1;
+ }
+
+- ret = ttm_bo_init_mm(&dev_priv->bdev, TTM_PL_VRAM,
+- (dev_priv->vram_size >> PAGE_SHIFT));
+- if (unlikely(ret != 0)) {
+- DRM_ERROR("Failed initializing memory manager for VRAM.\n");
+- goto out_err2;
+- }
+-
+- dev_priv->has_gmr = true;
+- if (((dev_priv->capabilities & (SVGA_CAP_GMR | SVGA_CAP_GMR2)) == 0) ||
+- refuse_dma || ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_GMR,
+- VMW_PL_GMR) != 0) {
+- DRM_INFO("No GMR memory available. "
+- "Graphics memory resources are very limited.\n");
+- dev_priv->has_gmr = false;
+- }
+-
+- if (dev_priv->capabilities & SVGA_CAP_GBOBJECTS) {
+- dev_priv->has_mob = true;
+- if (ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_MOB,
+- VMW_PL_MOB) != 0) {
+- DRM_INFO("No MOB memory available. "
+- "3D will be disabled.\n");
+- dev_priv->has_mob = false;
+- }
+- }
+-
+ dev_priv->mmio_mtrr = arch_phys_wc_add(dev_priv->mmio_start,
+ dev_priv->mmio_size);
+
+@@ -813,6 +787,33 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
+ goto out_no_fman;
+ }
+
++
++ ret = ttm_bo_init_mm(&dev_priv->bdev, TTM_PL_VRAM,
++ (dev_priv->vram_size >> PAGE_SHIFT));
++ if (unlikely(ret != 0)) {
++ DRM_ERROR("Failed initializing memory manager for VRAM.\n");
++ goto out_no_vram;
++ }
++
++ dev_priv->has_gmr = true;
++ if (((dev_priv->capabilities & (SVGA_CAP_GMR | SVGA_CAP_GMR2)) == 0) ||
++ refuse_dma || ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_GMR,
++ VMW_PL_GMR) != 0) {
++ DRM_INFO("No GMR memory available. "
++ "Graphics memory resources are very limited.\n");
++ dev_priv->has_gmr = false;
++ }
++
++ if (dev_priv->capabilities & SVGA_CAP_GBOBJECTS) {
++ dev_priv->has_mob = true;
++ if (ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_MOB,
++ VMW_PL_MOB) != 0) {
++ DRM_INFO("No MOB memory available. "
++ "3D will be disabled.\n");
++ dev_priv->has_mob = false;
++ }
++ }
++
+ vmw_kms_save_vga(dev_priv);
+
+ /* Start kms and overlay systems, needs fifo. */
+@@ -838,6 +839,12 @@ out_no_fifo:
+ vmw_kms_close(dev_priv);
+ out_no_kms:
+ vmw_kms_restore_vga(dev_priv);
++ if (dev_priv->has_mob)
++ (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB);
++ if (dev_priv->has_gmr)
++ (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
++ (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
++out_no_vram:
+ vmw_fence_manager_takedown(dev_priv->fman);
+ out_no_fman:
+ if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
+@@ -853,12 +860,6 @@ out_err4:
+ iounmap(dev_priv->mmio_virt);
+ out_err3:
+ arch_phys_wc_del(dev_priv->mmio_mtrr);
+- if (dev_priv->has_mob)
+- (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB);
+- if (dev_priv->has_gmr)
+- (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
+- (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
+-out_err2:
+ (void)ttm_bo_device_release(&dev_priv->bdev);
+ out_err1:
+ vmw_ttm_global_release(dev_priv);
+@@ -888,6 +889,13 @@ static int vmw_driver_unload(struct drm_device *dev)
+ }
+ vmw_kms_close(dev_priv);
+ vmw_overlay_close(dev_priv);
++
++ if (dev_priv->has_mob)
++ (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB);
++ if (dev_priv->has_gmr)
++ (void)ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
++ (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
++
+ vmw_fence_manager_takedown(dev_priv->fman);
+ if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
+ drm_irq_uninstall(dev_priv->dev);
+@@ -899,11 +907,6 @@ static int vmw_driver_unload(struct drm_device *dev)
+ ttm_object_device_release(&dev_priv->tdev);
+ iounmap(dev_priv->mmio_virt);
+ arch_phys_wc_del(dev_priv->mmio_mtrr);
+- if (dev_priv->has_mob)
+- (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB);
+- if (dev_priv->has_gmr)
+- (void)ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
+- (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
+ (void)ttm_bo_device_release(&dev_priv->bdev);
+ vmw_ttm_global_release(dev_priv);
+
+diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+index 596cd6dafd33..50b52802f470 100644
+--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
++++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+@@ -2778,13 +2778,11 @@ int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
+ NULL, arg->command_size, arg->throttle_us,
+ (void __user *)(unsigned long)arg->fence_rep,
+ NULL);
+-
++ ttm_read_unlock(&dev_priv->reservation_sem);
+ if (unlikely(ret != 0))
+- goto out_unlock;
++ return ret;
+
+ vmw_kms_cursor_post_execbuf(dev_priv);
+
+-out_unlock:
+- ttm_read_unlock(&dev_priv->reservation_sem);
+- return ret;
++ return 0;
+ }
+diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+index fddd53335237..173ec3377e4f 100644
+--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
++++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+@@ -2033,23 +2033,17 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
+ int i;
+ struct drm_mode_config *mode_config = &dev->mode_config;
+
+- ret = ttm_read_lock(&dev_priv->reservation_sem, true);
+- if (unlikely(ret != 0))
+- return ret;
+-
+ if (!arg->num_outputs) {
+ struct drm_vmw_rect def_rect = {0, 0, 800, 600};
+ vmw_du_update_layout(dev_priv, 1, &def_rect);
+- goto out_unlock;
++ return 0;
+ }
+
+ rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
+ rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
+ GFP_KERNEL);
+- if (unlikely(!rects)) {
+- ret = -ENOMEM;
+- goto out_unlock;
+- }
++ if (unlikely(!rects))
++ return -ENOMEM;
+
+ user_rects = (void __user *)(unsigned long)arg->rects;
+ ret = copy_from_user(rects, user_rects, rects_size);
+@@ -2074,7 +2068,5 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
+
+ out_free:
+ kfree(rects);
+-out_unlock:
+- ttm_read_unlock(&dev_priv->reservation_sem);
+ return ret;
+ }
+diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
+index f43b4e11647a..17a1853c6c2f 100644
+--- a/drivers/i2c/i2c-core.c
++++ b/drivers/i2c/i2c-core.c
+@@ -665,9 +665,6 @@ static int i2c_device_remove(struct device *dev)
+ status = driver->remove(client);
+ }
+
+- if (dev->of_node)
+- irq_dispose_mapping(client->irq);
+-
+ dev_pm_domain_detach(&client->dev, true);
+ return status;
+ }
+diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c
+index 6a2e168c3ab0..41ac85af043e 100644
+--- a/drivers/irqchip/irq-armada-370-xp.c
++++ b/drivers/irqchip/irq-armada-370-xp.c
+@@ -67,6 +67,7 @@
+ static void __iomem *per_cpu_int_base;
+ static void __iomem *main_int_base;
+ static struct irq_domain *armada_370_xp_mpic_domain;
++static int parent_irq;
+ #ifdef CONFIG_PCI_MSI
+ static struct irq_domain *armada_370_xp_msi_domain;
+ static DECLARE_BITMAP(msi_used, PCI_MSI_DOORBELL_NR);
+@@ -354,6 +355,7 @@ static int armada_xp_mpic_secondary_init(struct notifier_block *nfb,
+ {
+ if (action == CPU_STARTING || action == CPU_STARTING_FROZEN)
+ armada_xp_mpic_smp_cpu_init();
++
+ return NOTIFY_OK;
+ }
+
+@@ -362,6 +364,20 @@ static struct notifier_block armada_370_xp_mpic_cpu_notifier = {
+ .priority = 100,
+ };
+
++static int mpic_cascaded_secondary_init(struct notifier_block *nfb,
++ unsigned long action, void *hcpu)
++{
++ if (action == CPU_STARTING || action == CPU_STARTING_FROZEN)
++ enable_percpu_irq(parent_irq, IRQ_TYPE_NONE);
++
++ return NOTIFY_OK;
++}
++
++static struct notifier_block mpic_cascaded_cpu_notifier = {
++ .notifier_call = mpic_cascaded_secondary_init,
++ .priority = 100,
++};
++
+ #endif /* CONFIG_SMP */
+
+ static struct irq_domain_ops armada_370_xp_mpic_irq_ops = {
+@@ -489,7 +505,7 @@ static int __init armada_370_xp_mpic_of_init(struct device_node *node,
+ struct device_node *parent)
+ {
+ struct resource main_int_res, per_cpu_int_res;
+- int parent_irq, nr_irqs, i;
++ int nr_irqs, i;
+ u32 control;
+
+ BUG_ON(of_address_to_resource(node, 0, &main_int_res));
+@@ -537,6 +553,9 @@ static int __init armada_370_xp_mpic_of_init(struct device_node *node,
+ register_cpu_notifier(&armada_370_xp_mpic_cpu_notifier);
+ #endif
+ } else {
++#ifdef CONFIG_SMP
++ register_cpu_notifier(&mpic_cascaded_cpu_notifier);
++#endif
+ irq_set_chained_handler(parent_irq,
+ armada_370_xp_mpic_handle_cascade_irq);
+ }
+diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
+index 96b0b1d27df1..bc677362bc73 100644
+--- a/drivers/mtd/nand/pxa3xx_nand.c
++++ b/drivers/mtd/nand/pxa3xx_nand.c
+@@ -480,6 +480,42 @@ static void disable_int(struct pxa3xx_nand_info *info, uint32_t int_mask)
+ nand_writel(info, NDCR, ndcr | int_mask);
+ }
+
++static void drain_fifo(struct pxa3xx_nand_info *info, void *data, int len)
++{
++ if (info->ecc_bch) {
++ int timeout;
++
++ /*
++ * According to the datasheet, when reading from NDDB
++ * with BCH enabled, after each 32 bytes reads, we
++ * have to make sure that the NDSR.RDDREQ bit is set.
++ *
++ * Drain the FIFO 8 32 bits reads at a time, and skip
++ * the polling on the last read.
++ */
++ while (len > 8) {
++ __raw_readsl(info->mmio_base + NDDB, data, 8);
++
++ for (timeout = 0;
++ !(nand_readl(info, NDSR) & NDSR_RDDREQ);
++ timeout++) {
++ if (timeout >= 5) {
++ dev_err(&info->pdev->dev,
++ "Timeout on RDDREQ while draining the FIFO\n");
++ return;
++ }
++
++ mdelay(1);
++ }
++
++ data += 32;
++ len -= 8;
++ }
++ }
++
++ __raw_readsl(info->mmio_base + NDDB, data, len);
++}
++
+ static void handle_data_pio(struct pxa3xx_nand_info *info)
+ {
+ unsigned int do_bytes = min(info->data_size, info->chunk_size);
+@@ -496,14 +532,14 @@ static void handle_data_pio(struct pxa3xx_nand_info *info)
+ DIV_ROUND_UP(info->oob_size, 4));
+ break;
+ case STATE_PIO_READING:
+- __raw_readsl(info->mmio_base + NDDB,
+- info->data_buff + info->data_buff_pos,
+- DIV_ROUND_UP(do_bytes, 4));
++ drain_fifo(info,
++ info->data_buff + info->data_buff_pos,
++ DIV_ROUND_UP(do_bytes, 4));
+
+ if (info->oob_size > 0)
+- __raw_readsl(info->mmio_base + NDDB,
+- info->oob_buff + info->oob_buff_pos,
+- DIV_ROUND_UP(info->oob_size, 4));
++ drain_fifo(info,
++ info->oob_buff + info->oob_buff_pos,
++ DIV_ROUND_UP(info->oob_size, 4));
+ break;
+ default:
+ dev_err(&info->pdev->dev, "%s: invalid state %d\n", __func__,
+diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
+index 4b008c9c738d..573b53b38af4 100644
+--- a/drivers/net/can/dev.c
++++ b/drivers/net/can/dev.c
+@@ -500,6 +500,10 @@ struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf)
+ skb->pkt_type = PACKET_BROADCAST;
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+
++ skb_reset_mac_header(skb);
++ skb_reset_network_header(skb);
++ skb_reset_transport_header(skb);
++
+ can_skb_reserve(skb);
+ can_skb_prv(skb)->ifindex = dev->ifindex;
+
+@@ -524,6 +528,10 @@ struct sk_buff *alloc_canfd_skb(struct net_device *dev,
+ skb->pkt_type = PACKET_BROADCAST;
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+
++ skb_reset_mac_header(skb);
++ skb_reset_network_header(skb);
++ skb_reset_transport_header(skb);
++
+ can_skb_reserve(skb);
+ can_skb_prv(skb)->ifindex = dev->ifindex;
+
+diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c
+index 8b255e777cc7..5d777956ae1f 100644
+--- a/drivers/net/can/usb/kvaser_usb.c
++++ b/drivers/net/can/usb/kvaser_usb.c
+@@ -12,6 +12,7 @@
+ * Copyright (C) 2012 Olivier Sobrie <olivier@sobrie.be>
+ */
+
++#include <linux/kernel.h>
+ #include <linux/completion.h>
+ #include <linux/module.h>
+ #include <linux/netdevice.h>
+@@ -403,8 +404,15 @@ static int kvaser_usb_wait_msg(const struct kvaser_usb *dev, u8 id,
+ while (pos <= actual_len - MSG_HEADER_LEN) {
+ tmp = buf + pos;
+
+- if (!tmp->len)
+- break;
++ /* Handle messages crossing the USB endpoint max packet
++ * size boundary. Check kvaser_usb_read_bulk_callback()
++ * for further details.
++ */
++ if (tmp->len == 0) {
++ pos = round_up(pos,
++ dev->bulk_in->wMaxPacketSize);
++ continue;
++ }
+
+ if (pos + tmp->len > actual_len) {
+ dev_err(dev->udev->dev.parent,
+@@ -983,8 +991,19 @@ static void kvaser_usb_read_bulk_callback(struct urb *urb)
+ while (pos <= urb->actual_length - MSG_HEADER_LEN) {
+ msg = urb->transfer_buffer + pos;
+
+- if (!msg->len)
+- break;
++ /* The Kvaser firmware can only read and write messages that
++ * does not cross the USB's endpoint wMaxPacketSize boundary.
++ * If a follow-up command crosses such boundary, firmware puts
++ * a placeholder zero-length command in its place then aligns
++ * the real command to the next max packet size.
++ *
++ * Handle such cases or we're going to miss a significant
++ * number of events in case of a heavy rx load on the bus.
++ */
++ if (msg->len == 0) {
++ pos = round_up(pos, dev->bulk_in->wMaxPacketSize);
++ continue;
++ }
+
+ if (pos + msg->len > urb->actual_length) {
+ dev_err(dev->udev->dev.parent, "Format error\n");
+@@ -992,7 +1011,6 @@ static void kvaser_usb_read_bulk_callback(struct urb *urb)
+ }
+
+ kvaser_usb_handle_message(dev, msg);
+-
+ pos += msg->len;
+ }
+
+diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+index 74fbf9ea7bd8..710eb5793eb3 100644
+--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
++++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+@@ -12711,6 +12711,9 @@ static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev,
+ pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
+ PCICFG_VENDOR_ID_OFFSET);
+
++ /* Set PCIe reset type to fundamental for EEH recovery */
++ pdev->needs_freset = 1;
++
+ /* AER (Advanced Error reporting) configuration */
+ rc = pci_enable_pcie_error_reporting(pdev);
+ if (!rc)
+diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
+index 3dca494797bd..96ba23e90111 100644
+--- a/drivers/net/ethernet/freescale/fec_main.c
++++ b/drivers/net/ethernet/freescale/fec_main.c
+@@ -1464,8 +1464,7 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id)
+
+ vlan_packet_rcvd = true;
+
+- skb_copy_to_linear_data_offset(skb, VLAN_HLEN,
+- data, (2 * ETH_ALEN));
++ memmove(skb->data + VLAN_HLEN, data, ETH_ALEN * 2);
+ skb_pull(skb, VLAN_HLEN);
+ }
+
+diff --git a/drivers/net/usb/cx82310_eth.c b/drivers/net/usb/cx82310_eth.c
+index 3eed708a6182..fe48f4c51373 100644
+--- a/drivers/net/usb/cx82310_eth.c
++++ b/drivers/net/usb/cx82310_eth.c
+@@ -300,9 +300,18 @@ static const struct driver_info cx82310_info = {
+ .tx_fixup = cx82310_tx_fixup,
+ };
+
++#define USB_DEVICE_CLASS(vend, prod, cl, sc, pr) \
++ .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
++ USB_DEVICE_ID_MATCH_DEV_INFO, \
++ .idVendor = (vend), \
++ .idProduct = (prod), \
++ .bDeviceClass = (cl), \
++ .bDeviceSubClass = (sc), \
++ .bDeviceProtocol = (pr)
++
+ static const struct usb_device_id products[] = {
+ {
+- USB_DEVICE_AND_INTERFACE_INFO(0x0572, 0xcb01, 0xff, 0, 0),
++ USB_DEVICE_CLASS(0x0572, 0xcb01, 0xff, 0, 0),
+ .driver_info = (unsigned long) &cx82310_info
+ },
+ { },
+diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
+index b0bc8ead47de..484ecce78025 100644
+--- a/drivers/net/virtio_net.c
++++ b/drivers/net/virtio_net.c
+@@ -1452,8 +1452,10 @@ static void virtnet_free_queues(struct virtnet_info *vi)
+ {
+ int i;
+
+- for (i = 0; i < vi->max_queue_pairs; i++)
++ for (i = 0; i < vi->max_queue_pairs; i++) {
++ napi_hash_del(&vi->rq[i].napi);
+ netif_napi_del(&vi->rq[i].napi);
++ }
+
+ kfree(vi->rq);
+ kfree(vi->sq);
+@@ -1939,11 +1941,8 @@ static int virtnet_freeze(struct virtio_device *vdev)
+ cancel_delayed_work_sync(&vi->refill);
+
+ if (netif_running(vi->dev)) {
+- for (i = 0; i < vi->max_queue_pairs; i++) {
++ for (i = 0; i < vi->max_queue_pairs; i++)
+ napi_disable(&vi->rq[i].napi);
+- napi_hash_del(&vi->rq[i].napi);
+- netif_napi_del(&vi->rq[i].napi);
+- }
+ }
+
+ remove_vq_common(vi);
+diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
+index 2c6643fdc0cf..eb1543841e39 100644
+--- a/drivers/pci/pci-sysfs.c
++++ b/drivers/pci/pci-sysfs.c
+@@ -515,7 +515,8 @@ static ssize_t driver_override_store(struct device *dev,
+ struct pci_dev *pdev = to_pci_dev(dev);
+ char *driver_override, *old = pdev->driver_override, *cp;
+
+- if (count > PATH_MAX)
++ /* We need to keep extra room for a newline */
++ if (count >= (PAGE_SIZE - 1))
+ return -EINVAL;
+
+ driver_override = kstrndup(buf, count, GFP_KERNEL);
+@@ -543,7 +544,7 @@ static ssize_t driver_override_show(struct device *dev,
+ {
+ struct pci_dev *pdev = to_pci_dev(dev);
+
+- return sprintf(buf, "%s\n", pdev->driver_override);
++ return snprintf(buf, PAGE_SIZE, "%s\n", pdev->driver_override);
+ }
+ static DEVICE_ATTR_RW(driver_override);
+
+diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
+index fc6fb5422b6f..d92612c51657 100644
+--- a/drivers/regulator/core.c
++++ b/drivers/regulator/core.c
+@@ -1841,10 +1841,12 @@ static int _regulator_do_enable(struct regulator_dev *rdev)
+ }
+
+ if (rdev->ena_pin) {
+- ret = regulator_ena_gpio_ctrl(rdev, true);
+- if (ret < 0)
+- return ret;
+- rdev->ena_gpio_state = 1;
++ if (!rdev->ena_gpio_state) {
++ ret = regulator_ena_gpio_ctrl(rdev, true);
++ if (ret < 0)
++ return ret;
++ rdev->ena_gpio_state = 1;
++ }
+ } else if (rdev->desc->ops->enable) {
+ ret = rdev->desc->ops->enable(rdev);
+ if (ret < 0)
+@@ -1941,10 +1943,12 @@ static int _regulator_do_disable(struct regulator_dev *rdev)
+ trace_regulator_disable(rdev_get_name(rdev));
+
+ if (rdev->ena_pin) {
+- ret = regulator_ena_gpio_ctrl(rdev, false);
+- if (ret < 0)
+- return ret;
+- rdev->ena_gpio_state = 0;
++ if (rdev->ena_gpio_state) {
++ ret = regulator_ena_gpio_ctrl(rdev, false);
++ if (ret < 0)
++ return ret;
++ rdev->ena_gpio_state = 0;
++ }
+
+ } else if (rdev->desc->ops->disable) {
+ ret = rdev->desc->ops->disable(rdev);
+@@ -3659,12 +3663,6 @@ regulator_register(const struct regulator_desc *regulator_desc,
+ config->ena_gpio, ret);
+ goto wash;
+ }
+-
+- if (config->ena_gpio_flags & GPIOF_OUT_INIT_HIGH)
+- rdev->ena_gpio_state = 1;
+-
+- if (config->ena_gpio_invert)
+- rdev->ena_gpio_state = !rdev->ena_gpio_state;
+ }
+
+ /* set regulator constraints */
+@@ -3837,9 +3835,11 @@ int regulator_suspend_finish(void)
+ list_for_each_entry(rdev, &regulator_list, list) {
+ mutex_lock(&rdev->mutex);
+ if (rdev->use_count > 0 || rdev->constraints->always_on) {
+- error = _regulator_do_enable(rdev);
+- if (error)
+- ret = error;
++ if (!_regulator_is_enabled(rdev)) {
++ error = _regulator_do_enable(rdev);
++ if (error)
++ ret = error;
++ }
+ } else {
+ if (!have_full_constraints())
+ goto unlock;
+diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c
+index 196a5c8838c4..b019956ba5dd 100644
+--- a/drivers/regulator/rk808-regulator.c
++++ b/drivers/regulator/rk808-regulator.c
+@@ -184,6 +184,7 @@ static const struct regulator_desc rk808_reg[] = {
+ .vsel_mask = RK808_LDO_VSEL_MASK,
+ .enable_reg = RK808_LDO_EN_REG,
+ .enable_mask = BIT(0),
++ .enable_time = 400,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO_REG2",
+@@ -198,6 +199,7 @@ static const struct regulator_desc rk808_reg[] = {
+ .vsel_mask = RK808_LDO_VSEL_MASK,
+ .enable_reg = RK808_LDO_EN_REG,
+ .enable_mask = BIT(1),
++ .enable_time = 400,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO_REG3",
+@@ -212,6 +214,7 @@ static const struct regulator_desc rk808_reg[] = {
+ .vsel_mask = RK808_BUCK4_VSEL_MASK,
+ .enable_reg = RK808_LDO_EN_REG,
+ .enable_mask = BIT(2),
++ .enable_time = 400,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO_REG4",
+@@ -226,6 +229,7 @@ static const struct regulator_desc rk808_reg[] = {
+ .vsel_mask = RK808_LDO_VSEL_MASK,
+ .enable_reg = RK808_LDO_EN_REG,
+ .enable_mask = BIT(3),
++ .enable_time = 400,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO_REG5",
+@@ -240,6 +244,7 @@ static const struct regulator_desc rk808_reg[] = {
+ .vsel_mask = RK808_LDO_VSEL_MASK,
+ .enable_reg = RK808_LDO_EN_REG,
+ .enable_mask = BIT(4),
++ .enable_time = 400,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO_REG6",
+@@ -254,6 +259,7 @@ static const struct regulator_desc rk808_reg[] = {
+ .vsel_mask = RK808_LDO_VSEL_MASK,
+ .enable_reg = RK808_LDO_EN_REG,
+ .enable_mask = BIT(5),
++ .enable_time = 400,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO_REG7",
+@@ -268,6 +274,7 @@ static const struct regulator_desc rk808_reg[] = {
+ .vsel_mask = RK808_LDO_VSEL_MASK,
+ .enable_reg = RK808_LDO_EN_REG,
+ .enable_mask = BIT(6),
++ .enable_time = 400,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "LDO_REG8",
+@@ -282,6 +289,7 @@ static const struct regulator_desc rk808_reg[] = {
+ .vsel_mask = RK808_LDO_VSEL_MASK,
+ .enable_reg = RK808_LDO_EN_REG,
+ .enable_mask = BIT(7),
++ .enable_time = 400,
+ .owner = THIS_MODULE,
+ }, {
+ .name = "SWITCH_REG1",
+diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
+index 806072238c00..22a612b06742 100644
+--- a/drivers/rtc/rtc-s3c.c
++++ b/drivers/rtc/rtc-s3c.c
+@@ -849,6 +849,7 @@ static struct s3c_rtc_data const s3c2443_rtc_data = {
+
+ static struct s3c_rtc_data const s3c6410_rtc_data = {
+ .max_user_freq = 32768,
++ .needs_src_clk = true,
+ .irq_handler = s3c6410_rtc_irq,
+ .set_freq = s3c6410_rtc_setfreq,
+ .enable_tick = s3c6410_rtc_enable_tick,
+diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
+index 62b58d38ce2e..60de66252fa2 100644
+--- a/drivers/scsi/libsas/sas_discover.c
++++ b/drivers/scsi/libsas/sas_discover.c
+@@ -500,6 +500,7 @@ static void sas_revalidate_domain(struct work_struct *work)
+ struct sas_discovery_event *ev = to_sas_discovery_event(work);
+ struct asd_sas_port *port = ev->port;
+ struct sas_ha_struct *ha = port->ha;
++ struct domain_device *ddev = port->port_dev;
+
+ /* prevent revalidation from finding sata links in recovery */
+ mutex_lock(&ha->disco_mutex);
+@@ -514,8 +515,9 @@ static void sas_revalidate_domain(struct work_struct *work)
+ SAS_DPRINTK("REVALIDATING DOMAIN on port %d, pid:%d\n", port->id,
+ task_pid_nr(current));
+
+- if (port->port_dev)
+- res = sas_ex_revalidate_domain(port->port_dev);
++ if (ddev && (ddev->dev_type == SAS_FANOUT_EXPANDER_DEVICE ||
++ ddev->dev_type == SAS_EDGE_EXPANDER_DEVICE))
++ res = sas_ex_revalidate_domain(ddev);
+
+ SAS_DPRINTK("done REVALIDATING DOMAIN on port %d, pid:%d, res 0x%x\n",
+ port->id, task_pid_nr(current), res);
+diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
+index 113c83f44b5c..4bf337aa4fd5 100644
+--- a/drivers/spi/spi-atmel.c
++++ b/drivers/spi/spi-atmel.c
+@@ -775,17 +775,17 @@ static void atmel_spi_pdc_next_xfer(struct spi_master *master,
+ (unsigned long long)xfer->rx_dma);
+ }
+
+- /* REVISIT: We're waiting for ENDRX before we start the next
++ /* REVISIT: We're waiting for RXBUFF before we start the next
+ * transfer because we need to handle some difficult timing
+- * issues otherwise. If we wait for ENDTX in one transfer and
+- * then starts waiting for ENDRX in the next, it's difficult
+- * to tell the difference between the ENDRX interrupt we're
+- * actually waiting for and the ENDRX interrupt of the
++ * issues otherwise. If we wait for TXBUFE in one transfer and
++ * then starts waiting for RXBUFF in the next, it's difficult
++ * to tell the difference between the RXBUFF interrupt we're
++ * actually waiting for and the RXBUFF interrupt of the
+ * previous transfer.
+ *
+ * It should be doable, though. Just not now...
+ */
+- spi_writel(as, IER, SPI_BIT(ENDRX) | SPI_BIT(OVRES));
++ spi_writel(as, IER, SPI_BIT(RXBUFF) | SPI_BIT(OVRES));
+ spi_writel(as, PTCR, SPI_BIT(TXTEN) | SPI_BIT(RXTEN));
+ }
+
+diff --git a/drivers/spi/spi-dw-mid.c b/drivers/spi/spi-dw-mid.c
+index efff55537d8a..1417f96546ce 100644
+--- a/drivers/spi/spi-dw-mid.c
++++ b/drivers/spi/spi-dw-mid.c
+@@ -151,6 +151,9 @@ static int mid_spi_dma_transfer(struct dw_spi *dws, int cs_change)
+ 1,
+ DMA_MEM_TO_DEV,
+ DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
++ if (!txdesc)
++ return NULL;
++
+ txdesc->callback = dw_spi_dma_done;
+ txdesc->callback_param = dws;
+
+@@ -173,6 +176,9 @@ static int mid_spi_dma_transfer(struct dw_spi *dws, int cs_change)
+ 1,
+ DMA_DEV_TO_MEM,
+ DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
++ if (!rxdesc)
++ return NULL;
++
+ rxdesc->callback = dw_spi_dma_done;
+ rxdesc->callback_param = dws;
+
+diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
+index fc2dd8441608..11e18342bc4f 100644
+--- a/drivers/spi/spi-pl022.c
++++ b/drivers/spi/spi-pl022.c
+@@ -534,12 +534,12 @@ static void giveback(struct pl022 *pl022)
+ pl022->cur_msg = NULL;
+ pl022->cur_transfer = NULL;
+ pl022->cur_chip = NULL;
+- spi_finalize_current_message(pl022->master);
+
+ /* disable the SPI/SSP operation */
+ writew((readw(SSP_CR1(pl022->virtbase)) &
+ (~SSP_CR1_MASK_SSE)), SSP_CR1(pl022->virtbase));
+
++ spi_finalize_current_message(pl022->master);
+ }
+
+ /**
+diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
+index 73e58d22e325..6446490854cb 100644
+--- a/drivers/target/iscsi/iscsi_target.c
++++ b/drivers/target/iscsi/iscsi_target.c
+@@ -4220,11 +4220,17 @@ int iscsit_close_connection(
+ pr_debug("Closing iSCSI connection CID %hu on SID:"
+ " %u\n", conn->cid, sess->sid);
+ /*
+- * Always up conn_logout_comp just in case the RX Thread is sleeping
+- * and the logout response never got sent because the connection
+- * failed.
++ * Always up conn_logout_comp for the traditional TCP case just in case
++ * the RX Thread in iscsi_target_rx_opcode() is sleeping and the logout
++ * response never got sent because the connection failed.
++ *
++ * However for iser-target, isert_wait4logout() is using conn_logout_comp
++ * to signal logout response TX interrupt completion. Go ahead and skip
++ * this for iser since isert_rx_opcode() does not wait on logout failure,
++ * and to avoid iscsi_conn pointer dereference in iser-target code.
+ */
+- complete(&conn->conn_logout_comp);
++ if (conn->conn_transport->transport_type == ISCSI_TCP)
++ complete(&conn->conn_logout_comp);
+
+ iscsi_release_thread_set(conn);
+
+diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
+index 24fa5d1999af..9e0f5d3b3ebf 100644
+--- a/drivers/target/target_core_device.c
++++ b/drivers/target/target_core_device.c
+@@ -1598,8 +1598,6 @@ int target_configure_device(struct se_device *dev)
+ ret = dev->transport->configure_device(dev);
+ if (ret)
+ goto out;
+- dev->dev_flags |= DF_CONFIGURED;
+-
+ /*
+ * XXX: there is not much point to have two different values here..
+ */
+@@ -1661,6 +1659,8 @@ int target_configure_device(struct se_device *dev)
+ list_add_tail(&dev->g_dev_node, &g_device_list);
+ mutex_unlock(&g_device_mutex);
+
++ dev->dev_flags |= DF_CONFIGURED;
++
+ return 0;
+
+ out_free_alua:
+diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
+index 7c8291f0bbbc..9a54381e23c6 100644
+--- a/drivers/target/target_core_pscsi.c
++++ b/drivers/target/target_core_pscsi.c
+@@ -1120,7 +1120,7 @@ static u32 pscsi_get_device_type(struct se_device *dev)
+ struct pscsi_dev_virt *pdv = PSCSI_DEV(dev);
+ struct scsi_device *sd = pdv->pdv_sd;
+
+- return sd->type;
++ return (sd) ? sd->type : TYPE_NO_LUN;
+ }
+
+ static sector_t pscsi_get_blocks(struct se_device *dev)
+diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
+index be877bf6f730..2e0998420254 100644
+--- a/drivers/target/target_core_transport.c
++++ b/drivers/target/target_core_transport.c
+@@ -2389,6 +2389,10 @@ int target_get_sess_cmd(struct se_session *se_sess, struct se_cmd *se_cmd,
+ list_add_tail(&se_cmd->se_cmd_list, &se_sess->sess_cmd_list);
+ out:
+ spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
++
++ if (ret && ack_kref)
++ target_put_sess_cmd(se_sess, se_cmd);
++
+ return ret;
+ }
+ EXPORT_SYMBOL(target_get_sess_cmd);
+diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
+index beea6ca73ee5..a69e31e3410f 100644
+--- a/drivers/tty/serial/8250/8250_dw.c
++++ b/drivers/tty/serial/8250/8250_dw.c
+@@ -111,7 +111,10 @@ static void dw8250_serial_out(struct uart_port *p, int offset, int value)
+ dw8250_force_idle(p);
+ writeb(value, p->membase + (UART_LCR << p->regshift));
+ }
+- dev_err(p->dev, "Couldn't set LCR to %d\n", value);
++ /*
++ * FIXME: this deadlocks if port->lock is already held
++ * dev_err(p->dev, "Couldn't set LCR to %d\n", value);
++ */
+ }
+ }
+
+@@ -148,7 +151,10 @@ static void dw8250_serial_out32(struct uart_port *p, int offset, int value)
+ dw8250_force_idle(p);
+ writel(value, p->membase + (UART_LCR << p->regshift));
+ }
+- dev_err(p->dev, "Couldn't set LCR to %d\n", value);
++ /*
++ * FIXME: this deadlocks if port->lock is already held
++ * dev_err(p->dev, "Couldn't set LCR to %d\n", value);
++ */
+ }
+ }
+
+diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
+index beb9d71cd47a..439bd1a5d00c 100644
+--- a/drivers/tty/serial/8250/8250_pci.c
++++ b/drivers/tty/serial/8250/8250_pci.c
+@@ -69,7 +69,7 @@ static void moan_device(const char *str, struct pci_dev *dev)
+ "Please send the output of lspci -vv, this\n"
+ "message (0x%04x,0x%04x,0x%04x,0x%04x), the\n"
+ "manufacturer and name of serial board or\n"
+- "modem board to rmk+serial@arm.linux.org.uk.\n",
++ "modem board to <linux-serial@vger.kernel.org>.\n",
+ pci_name(dev), str, dev->vendor, dev->device,
+ dev->subsystem_vendor, dev->subsystem_device);
+ }
+diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
+index 08048613eed6..db2becd31a51 100644
+--- a/drivers/usb/gadget/legacy/inode.c
++++ b/drivers/usb/gadget/legacy/inode.c
+@@ -565,7 +565,6 @@ static ssize_t ep_copy_to_user(struct kiocb_priv *priv)
+ if (total == 0)
+ break;
+ }
+-
+ return len;
+ }
+
+@@ -584,6 +583,7 @@ static void ep_user_copy_worker(struct work_struct *work)
+ aio_complete(iocb, ret, ret);
+
+ kfree(priv->buf);
++ kfree(priv->iv);
+ kfree(priv);
+ }
+
+@@ -604,6 +604,7 @@ static void ep_aio_complete(struct usb_ep *ep, struct usb_request *req)
+ */
+ if (priv->iv == NULL || unlikely(req->actual == 0)) {
+ kfree(req->buf);
++ kfree(priv->iv);
+ kfree(priv);
+ iocb->private = NULL;
+ /* aio_complete() reports bytes-transferred _and_ faults */
+@@ -639,7 +640,7 @@ ep_aio_rwtail(
+ struct usb_request *req;
+ ssize_t value;
+
+- priv = kmalloc(sizeof *priv, GFP_KERNEL);
++ priv = kzalloc(sizeof *priv, GFP_KERNEL);
+ if (!priv) {
+ value = -ENOMEM;
+ fail:
+@@ -648,7 +649,14 @@ fail:
+ }
+ iocb->private = priv;
+ priv->iocb = iocb;
+- priv->iv = iv;
++ if (iv) {
++ priv->iv = kmemdup(iv, nr_segs * sizeof(struct iovec),
++ GFP_KERNEL);
++ if (!priv->iv) {
++ kfree(priv);
++ goto fail;
++ }
++ }
+ priv->nr_segs = nr_segs;
+ INIT_WORK(&priv->work, ep_user_copy_worker);
+
+@@ -688,6 +696,7 @@ fail:
+ mutex_unlock(&epdata->lock);
+
+ if (unlikely(value)) {
++ kfree(priv->iv);
+ kfree(priv);
+ put_ep(epdata);
+ } else
+diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
+index b4bca2d4a7e5..70fba973a107 100644
+--- a/drivers/xen/events/events_base.c
++++ b/drivers/xen/events/events_base.c
+@@ -526,20 +526,26 @@ static unsigned int __startup_pirq(unsigned int irq)
+ pirq_query_unmask(irq);
+
+ rc = set_evtchn_to_irq(evtchn, irq);
+- if (rc != 0) {
+- pr_err("irq%d: Failed to set port to irq mapping (%d)\n",
+- irq, rc);
+- xen_evtchn_close(evtchn);
+- return 0;
+- }
++ if (rc)
++ goto err;
++
+ bind_evtchn_to_cpu(evtchn, 0);
+ info->evtchn = evtchn;
+
++ rc = xen_evtchn_port_setup(info);
++ if (rc)
++ goto err;
++
+ out:
+ unmask_evtchn(evtchn);
+ eoi_pirq(irq_get_irq_data(irq));
+
+ return 0;
++
++err:
++ pr_err("irq%d: Failed to set port to irq mapping (%d)\n", irq, rc);
++ xen_evtchn_close(evtchn);
++ return 0;
+ }
+
+ static unsigned int startup_pirq(struct irq_data *data)
+diff --git a/drivers/xen/xen-pciback/conf_space.c b/drivers/xen/xen-pciback/conf_space.c
+index 46ae0f9f02ad..75fe3d466515 100644
+--- a/drivers/xen/xen-pciback/conf_space.c
++++ b/drivers/xen/xen-pciback/conf_space.c
+@@ -16,7 +16,7 @@
+ #include "conf_space.h"
+ #include "conf_space_quirks.h"
+
+-static bool permissive;
++bool permissive;
+ module_param(permissive, bool, 0644);
+
+ /* This is where xen_pcibk_read_config_byte, xen_pcibk_read_config_word,
+diff --git a/drivers/xen/xen-pciback/conf_space.h b/drivers/xen/xen-pciback/conf_space.h
+index e56c934ad137..2e1d73d1d5d0 100644
+--- a/drivers/xen/xen-pciback/conf_space.h
++++ b/drivers/xen/xen-pciback/conf_space.h
+@@ -64,6 +64,8 @@ struct config_field_entry {
+ void *data;
+ };
+
++extern bool permissive;
++
+ #define OFFSET(cfg_entry) ((cfg_entry)->base_offset+(cfg_entry)->field->offset)
+
+ /* Add fields to a device - the add_fields macro expects to get a pointer to
+diff --git a/drivers/xen/xen-pciback/conf_space_header.c b/drivers/xen/xen-pciback/conf_space_header.c
+index c5ee82587e8c..2d7369391472 100644
+--- a/drivers/xen/xen-pciback/conf_space_header.c
++++ b/drivers/xen/xen-pciback/conf_space_header.c
+@@ -11,6 +11,10 @@
+ #include "pciback.h"
+ #include "conf_space.h"
+
++struct pci_cmd_info {
++ u16 val;
++};
++
+ struct pci_bar_info {
+ u32 val;
+ u32 len_val;
+@@ -20,22 +24,36 @@ struct pci_bar_info {
+ #define is_enable_cmd(value) ((value)&(PCI_COMMAND_MEMORY|PCI_COMMAND_IO))
+ #define is_master_cmd(value) ((value)&PCI_COMMAND_MASTER)
+
+-static int command_read(struct pci_dev *dev, int offset, u16 *value, void *data)
++/* Bits guests are allowed to control in permissive mode. */
++#define PCI_COMMAND_GUEST (PCI_COMMAND_MASTER|PCI_COMMAND_SPECIAL| \
++ PCI_COMMAND_INVALIDATE|PCI_COMMAND_VGA_PALETTE| \
++ PCI_COMMAND_WAIT|PCI_COMMAND_FAST_BACK)
++
++static void *command_init(struct pci_dev *dev, int offset)
+ {
+- int i;
+- int ret;
+-
+- ret = xen_pcibk_read_config_word(dev, offset, value, data);
+- if (!pci_is_enabled(dev))
+- return ret;
+-
+- for (i = 0; i < PCI_ROM_RESOURCE; i++) {
+- if (dev->resource[i].flags & IORESOURCE_IO)
+- *value |= PCI_COMMAND_IO;
+- if (dev->resource[i].flags & IORESOURCE_MEM)
+- *value |= PCI_COMMAND_MEMORY;
++ struct pci_cmd_info *cmd = kmalloc(sizeof(*cmd), GFP_KERNEL);
++ int err;
++
++ if (!cmd)
++ return ERR_PTR(-ENOMEM);
++
++ err = pci_read_config_word(dev, PCI_COMMAND, &cmd->val);
++ if (err) {
++ kfree(cmd);
++ return ERR_PTR(err);
+ }
+
++ return cmd;
++}
++
++static int command_read(struct pci_dev *dev, int offset, u16 *value, void *data)
++{
++ int ret = pci_read_config_word(dev, offset, value);
++ const struct pci_cmd_info *cmd = data;
++
++ *value &= PCI_COMMAND_GUEST;
++ *value |= cmd->val & ~PCI_COMMAND_GUEST;
++
+ return ret;
+ }
+
+@@ -43,6 +61,8 @@ static int command_write(struct pci_dev *dev, int offset, u16 value, void *data)
+ {
+ struct xen_pcibk_dev_data *dev_data;
+ int err;
++ u16 val;
++ struct pci_cmd_info *cmd = data;
+
+ dev_data = pci_get_drvdata(dev);
+ if (!pci_is_enabled(dev) && is_enable_cmd(value)) {
+@@ -83,6 +103,19 @@ static int command_write(struct pci_dev *dev, int offset, u16 value, void *data)
+ }
+ }
+
++ cmd->val = value;
++
++ if (!permissive && (!dev_data || !dev_data->permissive))
++ return 0;
++
++ /* Only allow the guest to control certain bits. */
++ err = pci_read_config_word(dev, offset, &val);
++ if (err || val == value)
++ return err;
++
++ value &= PCI_COMMAND_GUEST;
++ value |= val & ~PCI_COMMAND_GUEST;
++
+ return pci_write_config_word(dev, offset, value);
+ }
+
+@@ -282,6 +315,8 @@ static const struct config_field header_common[] = {
+ {
+ .offset = PCI_COMMAND,
+ .size = 2,
++ .init = command_init,
++ .release = bar_release,
+ .u.w.read = command_read,
+ .u.w.write = command_write,
+ },
+diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
+index ca887314aba9..f2bbb8513360 100644
+--- a/fs/fuse/dev.c
++++ b/fs/fuse/dev.c
+@@ -814,8 +814,8 @@ static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep)
+
+ newpage = buf->page;
+
+- if (WARN_ON(!PageUptodate(newpage)))
+- return -EIO;
++ if (!PageUptodate(newpage))
++ SetPageUptodate(newpage);
+
+ ClearPageMappedToDisk(newpage);
+
+@@ -1721,6 +1721,9 @@ copy_finish:
+ static int fuse_notify(struct fuse_conn *fc, enum fuse_notify_code code,
+ unsigned int size, struct fuse_copy_state *cs)
+ {
++ /* Don't try to move pages (yet) */
++ cs->move_pages = 0;
++
+ switch (code) {
+ case FUSE_NOTIFY_POLL:
+ return fuse_notify_poll(fc, size, cs);
+diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
+index 469086b9f99b..0c3f303baf32 100644
+--- a/fs/nilfs2/segment.c
++++ b/fs/nilfs2/segment.c
+@@ -1907,6 +1907,7 @@ static void nilfs_segctor_drop_written_files(struct nilfs_sc_info *sci,
+ struct the_nilfs *nilfs)
+ {
+ struct nilfs_inode_info *ii, *n;
++ int during_mount = !(sci->sc_super->s_flags & MS_ACTIVE);
+ int defer_iput = false;
+
+ spin_lock(&nilfs->ns_inode_lock);
+@@ -1919,10 +1920,10 @@ static void nilfs_segctor_drop_written_files(struct nilfs_sc_info *sci,
+ brelse(ii->i_bh);
+ ii->i_bh = NULL;
+ list_del_init(&ii->i_dirty);
+- if (!ii->vfs_inode.i_nlink) {
++ if (!ii->vfs_inode.i_nlink || during_mount) {
+ /*
+- * Defer calling iput() to avoid a deadlock
+- * over I_SYNC flag for inodes with i_nlink == 0
++ * Defer calling iput() to avoid deadlocks if
++ * i_nlink == 0 or mount is not yet finished.
+ */
+ list_add_tail(&ii->i_dirty, &sci->sc_iput_queue);
+ defer_iput = true;
+diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
+index e8972bcddfb4..69aa378e60d9 100644
+--- a/fs/proc/task_mmu.c
++++ b/fs/proc/task_mmu.c
+@@ -1291,6 +1291,9 @@ out:
+
+ static int pagemap_open(struct inode *inode, struct file *file)
+ {
++ /* do not disclose physical addresses: attack vector */
++ if (!capable(CAP_SYS_ADMIN))
++ return -EPERM;
+ pr_warn_once("Bits 55-60 of /proc/PID/pagemap entries are about "
+ "to stop being page-shift some time soon. See the "
+ "linux/Documentation/vm/pagemap.txt for details.\n");
+diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h
+index 5672d7ea1fa0..08848050922e 100644
+--- a/include/asm-generic/tlb.h
++++ b/include/asm-generic/tlb.h
+@@ -96,10 +96,9 @@ struct mmu_gather {
+ #endif
+ unsigned long start;
+ unsigned long end;
+- unsigned int need_flush : 1, /* Did free PTEs */
+ /* we are in the middle of an operation to clear
+ * a full mm and can make some optimizations */
+- fullmm : 1,
++ unsigned int fullmm : 1,
+ /* we have performed an operation which
+ * requires a complete flush of the tlb */
+ need_flush_all : 1;
+@@ -128,16 +127,54 @@ static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page)
+ tlb_flush_mmu(tlb);
+ }
+
++static inline void __tlb_adjust_range(struct mmu_gather *tlb,
++ unsigned long address)
++{
++ tlb->start = min(tlb->start, address);
++ tlb->end = max(tlb->end, address + PAGE_SIZE);
++}
++
++static inline void __tlb_reset_range(struct mmu_gather *tlb)
++{
++ tlb->start = TASK_SIZE;
++ tlb->end = 0;
++}
++
++/*
++ * In the case of tlb vma handling, we can optimise these away in the
++ * case where we're doing a full MM flush. When we're doing a munmap,
++ * the vmas are adjusted to only cover the region to be torn down.
++ */
++#ifndef tlb_start_vma
++#define tlb_start_vma(tlb, vma) do { } while (0)
++#endif
++
++#define __tlb_end_vma(tlb, vma) \
++ do { \
++ if (!tlb->fullmm && tlb->end) { \
++ tlb_flush(tlb); \
++ __tlb_reset_range(tlb); \
++ } \
++ } while (0)
++
++#ifndef tlb_end_vma
++#define tlb_end_vma __tlb_end_vma
++#endif
++
++#ifndef __tlb_remove_tlb_entry
++#define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0)
++#endif
++
+ /**
+ * tlb_remove_tlb_entry - remember a pte unmapping for later tlb invalidation.
+ *
+- * Record the fact that pte's were really umapped in ->need_flush, so we can
+- * later optimise away the tlb invalidate. This helps when userspace is
+- * unmapping already-unmapped pages, which happens quite a lot.
++ * Record the fact that pte's were really unmapped by updating the range,
++ * so we can later optimise away the tlb invalidate. This helps when
++ * userspace is unmapping already-unmapped pages, which happens quite a lot.
+ */
+ #define tlb_remove_tlb_entry(tlb, ptep, address) \
+ do { \
+- tlb->need_flush = 1; \
++ __tlb_adjust_range(tlb, address); \
+ __tlb_remove_tlb_entry(tlb, ptep, address); \
+ } while (0)
+
+@@ -151,27 +188,27 @@ static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page)
+
+ #define tlb_remove_pmd_tlb_entry(tlb, pmdp, address) \
+ do { \
+- tlb->need_flush = 1; \
++ __tlb_adjust_range(tlb, address); \
+ __tlb_remove_pmd_tlb_entry(tlb, pmdp, address); \
+ } while (0)
+
+ #define pte_free_tlb(tlb, ptep, address) \
+ do { \
+- tlb->need_flush = 1; \
++ __tlb_adjust_range(tlb, address); \
+ __pte_free_tlb(tlb, ptep, address); \
+ } while (0)
+
+ #ifndef __ARCH_HAS_4LEVEL_HACK
+ #define pud_free_tlb(tlb, pudp, address) \
+ do { \
+- tlb->need_flush = 1; \
++ __tlb_adjust_range(tlb, address); \
+ __pud_free_tlb(tlb, pudp, address); \
+ } while (0)
+ #endif
+
+ #define pmd_free_tlb(tlb, pmdp, address) \
+ do { \
+- tlb->need_flush = 1; \
++ __tlb_adjust_range(tlb, address); \
+ __pmd_free_tlb(tlb, pmdp, address); \
+ } while (0)
+
+diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
+index b996e6cde6bb..9eb54f41623e 100644
+--- a/include/linux/workqueue.h
++++ b/include/linux/workqueue.h
+@@ -70,7 +70,8 @@ enum {
+ /* data contains off-queue information when !WORK_STRUCT_PWQ */
+ WORK_OFFQ_FLAG_BASE = WORK_STRUCT_COLOR_SHIFT,
+
+- WORK_OFFQ_CANCELING = (1 << WORK_OFFQ_FLAG_BASE),
++ __WORK_OFFQ_CANCELING = WORK_OFFQ_FLAG_BASE,
++ WORK_OFFQ_CANCELING = (1 << __WORK_OFFQ_CANCELING),
+
+ /*
+ * When a work item is off queue, its high bits point to the last
+diff --git a/kernel/cpuset.c b/kernel/cpuset.c
+index 1f107c74087b..672310e1597e 100644
+--- a/kernel/cpuset.c
++++ b/kernel/cpuset.c
+@@ -538,9 +538,6 @@ static void update_domain_attr_tree(struct sched_domain_attr *dattr,
+
+ rcu_read_lock();
+ cpuset_for_each_descendant_pre(cp, pos_css, root_cs) {
+- if (cp == root_cs)
+- continue;
+-
+ /* skip the whole subtree if @cp doesn't have any CPU */
+ if (cpumask_empty(cp->cpus_allowed)) {
+ pos_css = css_rightmost_descendant(pos_css);
+@@ -863,7 +860,7 @@ static void update_cpumasks_hier(struct cpuset *cs, struct cpumask *new_cpus)
+ * If it becomes empty, inherit the effective mask of the
+ * parent, which is guaranteed to have some CPUs.
+ */
+- if (cpumask_empty(new_cpus))
++ if (cgroup_on_dfl(cp->css.cgroup) && cpumask_empty(new_cpus))
+ cpumask_copy(new_cpus, parent->effective_cpus);
+
+ /* Skip the whole subtree if the cpumask remains the same. */
+@@ -1119,7 +1116,7 @@ static void update_nodemasks_hier(struct cpuset *cs, nodemask_t *new_mems)
+ * If it becomes empty, inherit the effective mask of the
+ * parent, which is guaranteed to have some MEMs.
+ */
+- if (nodes_empty(*new_mems))
++ if (cgroup_on_dfl(cp->css.cgroup) && nodes_empty(*new_mems))
+ *new_mems = parent->effective_mems;
+
+ /* Skip the whole subtree if the nodemask remains the same. */
+@@ -1991,7 +1988,9 @@ static int cpuset_css_online(struct cgroup_subsys_state *css)
+
+ mutex_lock(&callback_mutex);
+ cs->mems_allowed = parent->mems_allowed;
++ cs->effective_mems = parent->mems_allowed;
+ cpumask_copy(cs->cpus_allowed, parent->cpus_allowed);
++ cpumask_copy(cs->effective_cpus, parent->cpus_allowed);
+ mutex_unlock(&callback_mutex);
+ out_unlock:
+ mutex_unlock(&cpuset_mutex);
+diff --git a/kernel/printk/console_cmdline.h b/kernel/printk/console_cmdline.h
+index cbd69d842341..2ca4a8b5fe57 100644
+--- a/kernel/printk/console_cmdline.h
++++ b/kernel/printk/console_cmdline.h
+@@ -3,7 +3,7 @@
+
+ struct console_cmdline
+ {
+- char name[8]; /* Name of the driver */
++ char name[16]; /* Name of the driver */
+ int index; /* Minor dev. to use */
+ char *options; /* Options for the driver */
+ #ifdef CONFIG_A11Y_BRAILLE_CONSOLE
+diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
+index ced2b84b1cb7..bf95fdad4d96 100644
+--- a/kernel/printk/printk.c
++++ b/kernel/printk/printk.c
+@@ -2440,6 +2440,7 @@ void register_console(struct console *newcon)
+ for (i = 0, c = console_cmdline;
+ i < MAX_CMDLINECONSOLES && c->name[0];
+ i++, c++) {
++ BUILD_BUG_ON(sizeof(c->name) != sizeof(newcon->name));
+ if (strcmp(c->name, newcon->name) != 0)
+ continue;
+ if (newcon->index >= 0 &&
+diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
+index 124e2c702ead..d1eff3dd8a02 100644
+--- a/kernel/trace/ftrace.c
++++ b/kernel/trace/ftrace.c
+@@ -1053,6 +1053,12 @@ static __init void ftrace_profile_debugfs(struct dentry *d_tracer)
+
+ static struct pid * const ftrace_swapper_pid = &init_struct_pid;
+
++#ifdef CONFIG_FUNCTION_GRAPH_TRACER
++static int ftrace_graph_active;
++#else
++# define ftrace_graph_active 0
++#endif
++
+ #ifdef CONFIG_DYNAMIC_FTRACE
+
+ static struct ftrace_ops *removed_ops;
+@@ -1849,8 +1855,12 @@ static int ftrace_check_record(struct dyn_ftrace *rec, int enable, int update)
+ if (!ftrace_rec_count(rec))
+ rec->flags = 0;
+ else
+- /* Just disable the record (keep REGS state) */
+- rec->flags &= ~FTRACE_FL_ENABLED;
++ /*
++ * Just disable the record, but keep the ops TRAMP
++ * and REGS states. The _EN flags must be disabled though.
++ */
++ rec->flags &= ~(FTRACE_FL_ENABLED | FTRACE_FL_TRAMP_EN |
++ FTRACE_FL_REGS_EN);
+ }
+
+ return FTRACE_UPDATE_MAKE_NOP;
+@@ -2482,24 +2492,36 @@ static int ftrace_shutdown(struct ftrace_ops *ops, int command)
+
+ static void ftrace_startup_sysctl(void)
+ {
++ int command;
++
+ if (unlikely(ftrace_disabled))
+ return;
+
+ /* Force update next time */
+ saved_ftrace_func = NULL;
+ /* ftrace_start_up is true if we want ftrace running */
+- if (ftrace_start_up)
+- ftrace_run_update_code(FTRACE_UPDATE_CALLS);
++ if (ftrace_start_up) {
++ command = FTRACE_UPDATE_CALLS;
++ if (ftrace_graph_active)
++ command |= FTRACE_START_FUNC_RET;
++ ftrace_startup_enable(command);
++ }
+ }
+
+ static void ftrace_shutdown_sysctl(void)
+ {
++ int command;
++
+ if (unlikely(ftrace_disabled))
+ return;
+
+ /* ftrace_start_up is true if ftrace is running */
+- if (ftrace_start_up)
+- ftrace_run_update_code(FTRACE_DISABLE_CALLS);
++ if (ftrace_start_up) {
++ command = FTRACE_DISABLE_CALLS;
++ if (ftrace_graph_active)
++ command |= FTRACE_STOP_FUNC_RET;
++ ftrace_run_update_code(command);
++ }
+ }
+
+ static cycle_t ftrace_update_time;
+@@ -5303,12 +5325,12 @@ ftrace_enable_sysctl(struct ctl_table *table, int write,
+
+ if (ftrace_enabled) {
+
+- ftrace_startup_sysctl();
+-
+ /* we are starting ftrace again */
+ if (ftrace_ops_list != &ftrace_list_end)
+ update_ftrace_function();
+
++ ftrace_startup_sysctl();
++
+ } else {
+ /* stopping ftrace calls (just send to ftrace_stub) */
+ ftrace_trace_function = ftrace_stub;
+@@ -5334,8 +5356,6 @@ static struct ftrace_ops graph_ops = {
+ ASSIGN_OPS_HASH(graph_ops, &global_ops.local_hash)
+ };
+
+-static int ftrace_graph_active;
+-
+ int ftrace_graph_entry_stub(struct ftrace_graph_ent *trace)
+ {
+ return 0;
+diff --git a/kernel/workqueue.c b/kernel/workqueue.c
+index 66940a53d128..2273f534b01a 100644
+--- a/kernel/workqueue.c
++++ b/kernel/workqueue.c
+@@ -2710,19 +2710,57 @@ bool flush_work(struct work_struct *work)
+ }
+ EXPORT_SYMBOL_GPL(flush_work);
+
++struct cwt_wait {
++ wait_queue_t wait;
++ struct work_struct *work;
++};
++
++static int cwt_wakefn(wait_queue_t *wait, unsigned mode, int sync, void *key)
++{
++ struct cwt_wait *cwait = container_of(wait, struct cwt_wait, wait);
++
++ if (cwait->work != key)
++ return 0;
++ return autoremove_wake_function(wait, mode, sync, key);
++}
++
+ static bool __cancel_work_timer(struct work_struct *work, bool is_dwork)
+ {
++ static DECLARE_WAIT_QUEUE_HEAD(cancel_waitq);
+ unsigned long flags;
+ int ret;
+
+ do {
+ ret = try_to_grab_pending(work, is_dwork, &flags);
+ /*
+- * If someone else is canceling, wait for the same event it
+- * would be waiting for before retrying.
++ * If someone else is already canceling, wait for it to
++ * finish. flush_work() doesn't work for PREEMPT_NONE
++ * because we may get scheduled between @work's completion
++ * and the other canceling task resuming and clearing
++ * CANCELING - flush_work() will return false immediately
++ * as @work is no longer busy, try_to_grab_pending() will
++ * return -ENOENT as @work is still being canceled and the
++ * other canceling task won't be able to clear CANCELING as
++ * we're hogging the CPU.
++ *
++ * Let's wait for completion using a waitqueue. As this
++ * may lead to the thundering herd problem, use a custom
++ * wake function which matches @work along with exclusive
++ * wait and wakeup.
+ */
+- if (unlikely(ret == -ENOENT))
+- flush_work(work);
++ if (unlikely(ret == -ENOENT)) {
++ struct cwt_wait cwait;
++
++ init_wait(&cwait.wait);
++ cwait.wait.func = cwt_wakefn;
++ cwait.work = work;
++
++ prepare_to_wait_exclusive(&cancel_waitq, &cwait.wait,
++ TASK_UNINTERRUPTIBLE);
++ if (work_is_canceling(work))
++ schedule();
++ finish_wait(&cancel_waitq, &cwait.wait);
++ }
+ } while (unlikely(ret < 0));
+
+ /* tell other tasks trying to grab @work to back off */
+@@ -2731,6 +2769,16 @@ static bool __cancel_work_timer(struct work_struct *work, bool is_dwork)
+
+ flush_work(work);
+ clear_work_data(work);
++
++ /*
++ * Paired with prepare_to_wait() above so that either
++ * waitqueue_active() is visible here or !work_is_canceling() is
++ * visible there.
++ */
++ smp_mb();
++ if (waitqueue_active(&cancel_waitq))
++ __wake_up(&cancel_waitq, TASK_NORMAL, 1, work);
++
+ return ret;
+ }
+
+diff --git a/lib/lz4/lz4_decompress.c b/lib/lz4/lz4_decompress.c
+index 7a85967060a5..f0f5c5c3de12 100644
+--- a/lib/lz4/lz4_decompress.c
++++ b/lib/lz4/lz4_decompress.c
+@@ -139,6 +139,9 @@ static int lz4_uncompress(const char *source, char *dest, int osize)
+ /* Error: request to write beyond destination buffer */
+ if (cpy > oend)
+ goto _output_error;
++ if ((ref + COPYLENGTH) > oend ||
++ (op + COPYLENGTH) > oend)
++ goto _output_error;
+ LZ4_SECURECOPY(ref, op, (oend - COPYLENGTH));
+ while (op < cpy)
+ *op++ = *ref++;
+diff --git a/mm/memory.c b/mm/memory.c
+index 4ffa7b571fb8..90fb265b32b6 100644
+--- a/mm/memory.c
++++ b/mm/memory.c
+@@ -220,9 +220,6 @@ void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long
+ /* Is it from 0 to ~0? */
+ tlb->fullmm = !(start | (end+1));
+ tlb->need_flush_all = 0;
+- tlb->start = start;
+- tlb->end = end;
+- tlb->need_flush = 0;
+ tlb->local.next = NULL;
+ tlb->local.nr = 0;
+ tlb->local.max = ARRAY_SIZE(tlb->__pages);
+@@ -232,15 +229,20 @@ void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long
+ #ifdef CONFIG_HAVE_RCU_TABLE_FREE
+ tlb->batch = NULL;
+ #endif
++
++ __tlb_reset_range(tlb);
+ }
+
+ static void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
+ {
+- tlb->need_flush = 0;
++ if (!tlb->end)
++ return;
++
+ tlb_flush(tlb);
+ #ifdef CONFIG_HAVE_RCU_TABLE_FREE
+ tlb_table_flush(tlb);
+ #endif
++ __tlb_reset_range(tlb);
+ }
+
+ static void tlb_flush_mmu_free(struct mmu_gather *tlb)
+@@ -256,8 +258,6 @@ static void tlb_flush_mmu_free(struct mmu_gather *tlb)
+
+ void tlb_flush_mmu(struct mmu_gather *tlb)
+ {
+- if (!tlb->need_flush)
+- return;
+ tlb_flush_mmu_tlbonly(tlb);
+ tlb_flush_mmu_free(tlb);
+ }
+@@ -292,7 +292,7 @@ int __tlb_remove_page(struct mmu_gather *tlb, struct page *page)
+ {
+ struct mmu_gather_batch *batch;
+
+- VM_BUG_ON(!tlb->need_flush);
++ VM_BUG_ON(!tlb->end);
+
+ batch = tlb->active;
+ batch->pages[batch->nr++] = page;
+@@ -359,8 +359,6 @@ void tlb_remove_table(struct mmu_gather *tlb, void *table)
+ {
+ struct mmu_table_batch **batch = &tlb->batch;
+
+- tlb->need_flush = 1;
+-
+ /*
+ * When there's less then two users of this mm there cannot be a
+ * concurrent page-table walk.
+@@ -1186,20 +1184,8 @@ again:
+ arch_leave_lazy_mmu_mode();
+
+ /* Do the actual TLB flush before dropping ptl */
+- if (force_flush) {
+- unsigned long old_end;
+-
+- /*
+- * Flush the TLB just for the previous segment,
+- * then update the range to be the remaining
+- * TLB range.
+- */
+- old_end = tlb->end;
+- tlb->end = addr;
++ if (force_flush)
+ tlb_flush_mmu_tlbonly(tlb);
+- tlb->start = addr;
+- tlb->end = old_end;
+- }
+ pte_unmap_unlock(start_pte, ptl);
+
+ /*
+diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c
+index 43f750e88e19..765c78110fa8 100644
+--- a/net/caif/caif_socket.c
++++ b/net/caif/caif_socket.c
+@@ -281,7 +281,7 @@ static int caif_seqpkt_recvmsg(struct kiocb *iocb, struct socket *sock,
+ int copylen;
+
+ ret = -EOPNOTSUPP;
+- if (m->msg_flags&MSG_OOB)
++ if (flags & MSG_OOB)
+ goto read_error;
+
+ skb = skb_recv_datagram(sk, flags, 0 , &ret);
+diff --git a/net/can/af_can.c b/net/can/af_can.c
+index ce82337521f6..d6030d6949df 100644
+--- a/net/can/af_can.c
++++ b/net/can/af_can.c
+@@ -262,6 +262,9 @@ int can_send(struct sk_buff *skb, int loop)
+ goto inval_skb;
+ }
+
++ skb->ip_summed = CHECKSUM_UNNECESSARY;
++
++ skb_reset_mac_header(skb);
+ skb_reset_network_header(skb);
+ skb_reset_transport_header(skb);
+
+diff --git a/net/compat.c b/net/compat.c
+index c48930373e65..53e933eb78b8 100644
+--- a/net/compat.c
++++ b/net/compat.c
+@@ -71,6 +71,13 @@ int get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr __user *umsg)
+ __get_user(kmsg->msg_controllen, &umsg->msg_controllen) ||
+ __get_user(kmsg->msg_flags, &umsg->msg_flags))
+ return -EFAULT;
++
++ if (!tmp1)
++ kmsg->msg_namelen = 0;
++
++ if (kmsg->msg_namelen < 0)
++ return -EINVAL;
++
+ if (kmsg->msg_namelen > sizeof(struct sockaddr_storage))
+ kmsg->msg_namelen = sizeof(struct sockaddr_storage);
+ kmsg->msg_name = compat_ptr(tmp1);
+diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
+index cf9cd13509a7..e731c96eac4b 100644
+--- a/net/core/sysctl_net_core.c
++++ b/net/core/sysctl_net_core.c
+@@ -25,6 +25,8 @@
+ static int zero = 0;
+ static int one = 1;
+ static int ushort_max = USHRT_MAX;
++static int min_sndbuf = SOCK_MIN_SNDBUF;
++static int min_rcvbuf = SOCK_MIN_RCVBUF;
+
+ #ifdef CONFIG_RPS
+ static int rps_sock_flow_sysctl(struct ctl_table *table, int write,
+@@ -223,7 +225,7 @@ static struct ctl_table net_core_table[] = {
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+- .extra1 = &one,
++ .extra1 = &min_sndbuf,
+ },
+ {
+ .procname = "rmem_max",
+@@ -231,7 +233,7 @@ static struct ctl_table net_core_table[] = {
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+- .extra1 = &one,
++ .extra1 = &min_rcvbuf,
+ },
+ {
+ .procname = "wmem_default",
+@@ -239,7 +241,7 @@ static struct ctl_table net_core_table[] = {
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+- .extra1 = &one,
++ .extra1 = &min_sndbuf,
+ },
+ {
+ .procname = "rmem_default",
+@@ -247,7 +249,7 @@ static struct ctl_table net_core_table[] = {
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+- .extra1 = &one,
++ .extra1 = &min_rcvbuf,
+ },
+ {
+ .procname = "dev_weight",
+diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
+index e34dccbc4d70..4eeba4e497a0 100644
+--- a/net/ipv4/inet_diag.c
++++ b/net/ipv4/inet_diag.c
+@@ -71,6 +71,20 @@ static inline void inet_diag_unlock_handler(
+ mutex_unlock(&inet_diag_table_mutex);
+ }
+
++static size_t inet_sk_attr_size(void)
++{
++ return nla_total_size(sizeof(struct tcp_info))
++ + nla_total_size(1) /* INET_DIAG_SHUTDOWN */
++ + nla_total_size(1) /* INET_DIAG_TOS */
++ + nla_total_size(1) /* INET_DIAG_TCLASS */
++ + nla_total_size(sizeof(struct inet_diag_meminfo))
++ + nla_total_size(sizeof(struct inet_diag_msg))
++ + nla_total_size(SK_MEMINFO_VARS * sizeof(u32))
++ + nla_total_size(TCP_CA_NAME_MAX)
++ + nla_total_size(sizeof(struct tcpvegas_info))
++ + 64;
++}
++
+ int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk,
+ struct sk_buff *skb, struct inet_diag_req_v2 *req,
+ struct user_namespace *user_ns,
+@@ -324,9 +338,7 @@ int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *in_s
+ if (err)
+ goto out;
+
+- rep = nlmsg_new(sizeof(struct inet_diag_msg) +
+- sizeof(struct inet_diag_meminfo) +
+- sizeof(struct tcp_info) + 64, GFP_KERNEL);
++ rep = nlmsg_new(inet_sk_attr_size(), GFP_KERNEL);
+ if (!rep) {
+ err = -ENOMEM;
+ goto out;
+diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
+index c2df40ba553f..022ecbc9322d 100644
+--- a/net/ipv4/tcp_output.c
++++ b/net/ipv4/tcp_output.c
+@@ -2739,15 +2739,11 @@ void tcp_send_fin(struct sock *sk)
+ } else {
+ /* Socket is locked, keep trying until memory is available. */
+ for (;;) {
+- skb = alloc_skb_fclone(MAX_TCP_HEADER,
+- sk->sk_allocation);
++ skb = sk_stream_alloc_skb(sk, 0, sk->sk_allocation);
+ if (skb)
+ break;
+ yield();
+ }
+-
+- /* Reserve space for headers and prepare control bits. */
+- skb_reserve(skb, MAX_TCP_HEADER);
+ /* FIN eats a sequence byte, write_seq advanced by tcp_queue_skb(). */
+ tcp_init_nondata_skb(skb, tp->write_seq,
+ TCPHDR_ACK | TCPHDR_FIN);
+@@ -2998,9 +2994,9 @@ static int tcp_send_syn_data(struct sock *sk, struct sk_buff *syn)
+ {
+ struct tcp_sock *tp = tcp_sk(sk);
+ struct tcp_fastopen_request *fo = tp->fastopen_req;
+- int syn_loss = 0, space, i, err = 0, iovlen = fo->data->msg_iovlen;
+- struct sk_buff *syn_data = NULL, *data;
++ int syn_loss = 0, space, err = 0;
+ unsigned long last_syn_loss = 0;
++ struct sk_buff *syn_data;
+
+ tp->rx_opt.mss_clamp = tp->advmss; /* If MSS is not cached */
+ tcp_fastopen_cache_get(sk, &tp->rx_opt.mss_clamp, &fo->cookie,
+@@ -3031,48 +3027,40 @@ static int tcp_send_syn_data(struct sock *sk, struct sk_buff *syn)
+ /* limit to order-0 allocations */
+ space = min_t(size_t, space, SKB_MAX_HEAD(MAX_TCP_HEADER));
+
+- syn_data = skb_copy_expand(syn, MAX_TCP_HEADER, space,
+- sk->sk_allocation);
+- if (syn_data == NULL)
++ syn_data = sk_stream_alloc_skb(sk, space, sk->sk_allocation);
++ if (!syn_data)
++ goto fallback;
++ syn_data->ip_summed = CHECKSUM_PARTIAL;
++ memcpy(syn_data->cb, syn->cb, sizeof(syn->cb));
++ if (unlikely(memcpy_fromiovecend(skb_put(syn_data, space),
++ fo->data->msg_iov, 0, space))) {
++ kfree_skb(syn_data);
+ goto fallback;
++ }
+
+- for (i = 0; i < iovlen && syn_data->len < space; ++i) {
+- struct iovec *iov = &fo->data->msg_iov[i];
+- unsigned char __user *from = iov->iov_base;
+- int len = iov->iov_len;
++ /* No more data pending in inet_wait_for_connect() */
++ if (space == fo->size)
++ fo->data = NULL;
++ fo->copied = space;
+
+- if (syn_data->len + len > space)
+- len = space - syn_data->len;
+- else if (i + 1 == iovlen)
+- /* No more data pending in inet_wait_for_connect() */
+- fo->data = NULL;
++ tcp_connect_queue_skb(sk, syn_data);
+
+- if (skb_add_data(syn_data, from, len))
+- goto fallback;
+- }
++ err = tcp_transmit_skb(sk, syn_data, 1, sk->sk_allocation);
+
+- /* Queue a data-only packet after the regular SYN for retransmission */
+- data = pskb_copy(syn_data, sk->sk_allocation);
+- if (data == NULL)
+- goto fallback;
+- TCP_SKB_CB(data)->seq++;
+- TCP_SKB_CB(data)->tcp_flags &= ~TCPHDR_SYN;
+- TCP_SKB_CB(data)->tcp_flags = (TCPHDR_ACK|TCPHDR_PSH);
+- tcp_connect_queue_skb(sk, data);
+- fo->copied = data->len;
+-
+- /* syn_data is about to be sent, we need to take current time stamps
+- * for the packets that are in write queue : SYN packet and DATA
+- */
+- skb_mstamp_get(&syn->skb_mstamp);
+- data->skb_mstamp = syn->skb_mstamp;
++ syn->skb_mstamp = syn_data->skb_mstamp;
+
+- if (tcp_transmit_skb(sk, syn_data, 0, sk->sk_allocation) == 0) {
++ /* Now full SYN+DATA was cloned and sent (or not),
++ * remove the SYN from the original skb (syn_data)
++ * we keep in write queue in case of a retransmit, as we
++ * also have the SYN packet (with no data) in the same queue.
++ */
++ TCP_SKB_CB(syn_data)->seq++;
++ TCP_SKB_CB(syn_data)->tcp_flags = TCPHDR_ACK | TCPHDR_PSH;
++ if (!err) {
+ tp->syn_data = (fo->copied > 0);
+ NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPORIGDATASENT);
+ goto done;
+ }
+- syn_data = NULL;
+
+ fallback:
+ /* Send a regular SYN with Fast Open cookie request option */
+@@ -3081,7 +3069,6 @@ fallback:
+ err = tcp_transmit_skb(sk, syn, 1, sk->sk_allocation);
+ if (err)
+ tp->syn_fastopen = 0;
+- kfree_skb(syn_data);
+ done:
+ fo->cookie.len = -1; /* Exclude Fast Open option for SYN retries */
+ return err;
+@@ -3101,13 +3088,10 @@ int tcp_connect(struct sock *sk)
+ return 0;
+ }
+
+- buff = alloc_skb_fclone(MAX_TCP_HEADER + 15, sk->sk_allocation);
+- if (unlikely(buff == NULL))
++ buff = sk_stream_alloc_skb(sk, 0, sk->sk_allocation);
++ if (unlikely(!buff))
+ return -ENOBUFS;
+
+- /* Reserve space for headers. */
+- skb_reserve(buff, MAX_TCP_HEADER);
+-
+ tcp_init_nondata_skb(buff, tp->write_seq++, TCPHDR_SYN);
+ tp->retrans_stamp = tcp_time_stamp;
+ tcp_connect_queue_skb(sk, buff);
+diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
+index b4d5e1d97c1b..27ca79682efb 100644
+--- a/net/ipv6/fib6_rules.c
++++ b/net/ipv6/fib6_rules.c
+@@ -104,6 +104,7 @@ static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,
+ goto again;
+ flp6->saddr = saddr;
+ }
++ err = rt->dst.error;
+ goto out;
+ }
+ again:
+diff --git a/net/rds/iw_rdma.c b/net/rds/iw_rdma.c
+index a817705ce2d0..dba8d0864f18 100644
+--- a/net/rds/iw_rdma.c
++++ b/net/rds/iw_rdma.c
+@@ -88,7 +88,9 @@ static unsigned int rds_iw_unmap_fastreg_list(struct rds_iw_mr_pool *pool,
+ int *unpinned);
+ static void rds_iw_destroy_fastreg(struct rds_iw_mr_pool *pool, struct rds_iw_mr *ibmr);
+
+-static int rds_iw_get_device(struct rds_sock *rs, struct rds_iw_device **rds_iwdev, struct rdma_cm_id **cm_id)
++static int rds_iw_get_device(struct sockaddr_in *src, struct sockaddr_in *dst,
++ struct rds_iw_device **rds_iwdev,
++ struct rdma_cm_id **cm_id)
+ {
+ struct rds_iw_device *iwdev;
+ struct rds_iw_cm_id *i_cm_id;
+@@ -112,15 +114,15 @@ static int rds_iw_get_device(struct rds_sock *rs, struct rds_iw_device **rds_iwd
+ src_addr->sin_port,
+ dst_addr->sin_addr.s_addr,
+ dst_addr->sin_port,
+- rs->rs_bound_addr,
+- rs->rs_bound_port,
+- rs->rs_conn_addr,
+- rs->rs_conn_port);
++ src->sin_addr.s_addr,
++ src->sin_port,
++ dst->sin_addr.s_addr,
++ dst->sin_port);
+ #ifdef WORKING_TUPLE_DETECTION
+- if (src_addr->sin_addr.s_addr == rs->rs_bound_addr &&
+- src_addr->sin_port == rs->rs_bound_port &&
+- dst_addr->sin_addr.s_addr == rs->rs_conn_addr &&
+- dst_addr->sin_port == rs->rs_conn_port) {
++ if (src_addr->sin_addr.s_addr == src->sin_addr.s_addr &&
++ src_addr->sin_port == src->sin_port &&
++ dst_addr->sin_addr.s_addr == dst->sin_addr.s_addr &&
++ dst_addr->sin_port == dst->sin_port) {
+ #else
+ /* FIXME - needs to compare the local and remote
+ * ipaddr/port tuple, but the ipaddr is the only
+@@ -128,7 +130,7 @@ static int rds_iw_get_device(struct rds_sock *rs, struct rds_iw_device **rds_iwd
+ * zero'ed. It doesn't appear to be properly populated
+ * during connection setup...
+ */
+- if (src_addr->sin_addr.s_addr == rs->rs_bound_addr) {
++ if (src_addr->sin_addr.s_addr == src->sin_addr.s_addr) {
+ #endif
+ spin_unlock_irq(&iwdev->spinlock);
+ *rds_iwdev = iwdev;
+@@ -180,19 +182,13 @@ int rds_iw_update_cm_id(struct rds_iw_device *rds_iwdev, struct rdma_cm_id *cm_i
+ {
+ struct sockaddr_in *src_addr, *dst_addr;
+ struct rds_iw_device *rds_iwdev_old;
+- struct rds_sock rs;
+ struct rdma_cm_id *pcm_id;
+ int rc;
+
+ src_addr = (struct sockaddr_in *)&cm_id->route.addr.src_addr;
+ dst_addr = (struct sockaddr_in *)&cm_id->route.addr.dst_addr;
+
+- rs.rs_bound_addr = src_addr->sin_addr.s_addr;
+- rs.rs_bound_port = src_addr->sin_port;
+- rs.rs_conn_addr = dst_addr->sin_addr.s_addr;
+- rs.rs_conn_port = dst_addr->sin_port;
+-
+- rc = rds_iw_get_device(&rs, &rds_iwdev_old, &pcm_id);
++ rc = rds_iw_get_device(src_addr, dst_addr, &rds_iwdev_old, &pcm_id);
+ if (rc)
+ rds_iw_remove_cm_id(rds_iwdev, cm_id);
+
+@@ -598,9 +594,17 @@ void *rds_iw_get_mr(struct scatterlist *sg, unsigned long nents,
+ struct rds_iw_device *rds_iwdev;
+ struct rds_iw_mr *ibmr = NULL;
+ struct rdma_cm_id *cm_id;
++ struct sockaddr_in src = {
++ .sin_addr.s_addr = rs->rs_bound_addr,
++ .sin_port = rs->rs_bound_port,
++ };
++ struct sockaddr_in dst = {
++ .sin_addr.s_addr = rs->rs_conn_addr,
++ .sin_port = rs->rs_conn_port,
++ };
+ int ret;
+
+- ret = rds_iw_get_device(rs, &rds_iwdev, &cm_id);
++ ret = rds_iw_get_device(&src, &dst, &rds_iwdev, &cm_id);
+ if (ret || !cm_id) {
+ ret = -ENODEV;
+ goto out;
+diff --git a/net/rxrpc/ar-recvmsg.c b/net/rxrpc/ar-recvmsg.c
+index e9aaa65c0778..0df95463c650 100644
+--- a/net/rxrpc/ar-recvmsg.c
++++ b/net/rxrpc/ar-recvmsg.c
+@@ -87,7 +87,7 @@ int rxrpc_recvmsg(struct kiocb *iocb, struct socket *sock,
+ if (!skb) {
+ /* nothing remains on the queue */
+ if (copied &&
+- (msg->msg_flags & MSG_PEEK || timeo == 0))
++ (flags & MSG_PEEK || timeo == 0))
+ goto out;
+
+ /* wait for a message to turn up */
+diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
+index 0472909bb014..b78d81f5ffda 100644
+--- a/net/sched/cls_u32.c
++++ b/net/sched/cls_u32.c
+@@ -78,8 +78,11 @@ struct tc_u_hnode {
+ struct tc_u_common *tp_c;
+ int refcnt;
+ unsigned int divisor;
+- struct tc_u_knode __rcu *ht[1];
+ struct rcu_head rcu;
++ /* The 'ht' field MUST be the last field in structure to allow for
++ * more entries allocated at end of structure.
++ */
++ struct tc_u_knode __rcu *ht[1];
+ };
+
+ struct tc_u_common {
+diff --git a/sound/core/control.c b/sound/core/control.c
+index b9611344ff9e..82a638a01b24 100644
+--- a/sound/core/control.c
++++ b/sound/core/control.c
+@@ -1167,6 +1167,10 @@ static int snd_ctl_elem_add(struct snd_ctl_file *file,
+
+ if (info->count < 1)
+ return -EINVAL;
++ if (!*info->id.name)
++ return -EINVAL;
++ if (strnlen(info->id.name, sizeof(info->id.name)) >= sizeof(info->id.name))
++ return -EINVAL;
+ access = info->access == 0 ? SNDRV_CTL_ELEM_ACCESS_READWRITE :
+ (info->access & (SNDRV_CTL_ELEM_ACCESS_READWRITE|
+ SNDRV_CTL_ELEM_ACCESS_INACTIVE|
+diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c
+index 84c94301bfaf..20aa52b14b84 100644
+--- a/sound/pci/hda/hda_controller.c
++++ b/sound/pci/hda/hda_controller.c
+@@ -1160,7 +1160,7 @@ static unsigned int azx_rirb_get_response(struct hda_bus *bus,
+ }
+ }
+
+- if (!bus->no_response_fallback)
++ if (bus->no_response_fallback)
+ return -1;
+
+ if (!chip->polling_mode && chip->poll_count < 2) {
+diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
+index 64220c08bd98..6c6e35aba989 100644
+--- a/sound/pci/hda/hda_generic.c
++++ b/sound/pci/hda/hda_generic.c
+@@ -637,12 +637,45 @@ static int get_amp_val_to_activate(struct hda_codec *codec, hda_nid_t nid,
+ return val;
+ }
+
++/* is this a stereo widget or a stereo-to-mono mix? */
++static bool is_stereo_amps(struct hda_codec *codec, hda_nid_t nid, int dir)
++{
++ unsigned int wcaps = get_wcaps(codec, nid);
++ hda_nid_t conn;
++
++ if (wcaps & AC_WCAP_STEREO)
++ return true;
++ if (dir != HDA_INPUT || get_wcaps_type(wcaps) != AC_WID_AUD_MIX)
++ return false;
++ if (snd_hda_get_num_conns(codec, nid) != 1)
++ return false;
++ if (snd_hda_get_connections(codec, nid, &conn, 1) < 0)
++ return false;
++ return !!(get_wcaps(codec, conn) & AC_WCAP_STEREO);
++}
++
+ /* initialize the amp value (only at the first time) */
+ static void init_amp(struct hda_codec *codec, hda_nid_t nid, int dir, int idx)
+ {
+ unsigned int caps = query_amp_caps(codec, nid, dir);
+ int val = get_amp_val_to_activate(codec, nid, dir, caps, false);
+- snd_hda_codec_amp_init_stereo(codec, nid, dir, idx, 0xff, val);
++
++ if (is_stereo_amps(codec, nid, dir))
++ snd_hda_codec_amp_init_stereo(codec, nid, dir, idx, 0xff, val);
++ else
++ snd_hda_codec_amp_init(codec, nid, 0, dir, idx, 0xff, val);
++}
++
++/* update the amp, doing in stereo or mono depending on NID */
++static int update_amp(struct hda_codec *codec, hda_nid_t nid, int dir, int idx,
++ unsigned int mask, unsigned int val)
++{
++ if (is_stereo_amps(codec, nid, dir))
++ return snd_hda_codec_amp_stereo(codec, nid, dir, idx,
++ mask, val);
++ else
++ return snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
++ mask, val);
+ }
+
+ /* calculate amp value mask we can modify;
+@@ -682,7 +715,7 @@ static void activate_amp(struct hda_codec *codec, hda_nid_t nid, int dir,
+ return;
+
+ val &= mask;
+- snd_hda_codec_amp_stereo(codec, nid, dir, idx, mask, val);
++ update_amp(codec, nid, dir, idx, mask, val);
+ }
+
+ static void activate_amp_out(struct hda_codec *codec, struct nid_path *path,
+@@ -4331,13 +4364,11 @@ static void mute_all_mixer_nid(struct hda_codec *codec, hda_nid_t mix)
+ has_amp = nid_has_mute(codec, mix, HDA_INPUT);
+ for (i = 0; i < nums; i++) {
+ if (has_amp)
+- snd_hda_codec_amp_stereo(codec, mix,
+- HDA_INPUT, i,
+- 0xff, HDA_AMP_MUTE);
++ update_amp(codec, mix, HDA_INPUT, i,
++ 0xff, HDA_AMP_MUTE);
+ else if (nid_has_volume(codec, conn[i], HDA_OUTPUT))
+- snd_hda_codec_amp_stereo(codec, conn[i],
+- HDA_OUTPUT, 0,
+- 0xff, HDA_AMP_MUTE);
++ update_amp(codec, conn[i], HDA_OUTPUT, 0,
++ 0xff, HDA_AMP_MUTE);
+ }
+ }
+
+diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c
+index ce5a6da83419..05e19f78b4cb 100644
+--- a/sound/pci/hda/hda_proc.c
++++ b/sound/pci/hda/hda_proc.c
+@@ -134,13 +134,38 @@ static void print_amp_caps(struct snd_info_buffer *buffer,
+ (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
+ }
+
++/* is this a stereo widget or a stereo-to-mono mix? */
++static bool is_stereo_amps(struct hda_codec *codec, hda_nid_t nid,
++ int dir, unsigned int wcaps, int indices)
++{
++ hda_nid_t conn;
++
++ if (wcaps & AC_WCAP_STEREO)
++ return true;
++ /* check for a stereo-to-mono mix; it must be:
++ * only a single connection, only for input, and only a mixer widget
++ */
++ if (indices != 1 || dir != HDA_INPUT ||
++ get_wcaps_type(wcaps) != AC_WID_AUD_MIX)
++ return false;
++
++ if (snd_hda_get_raw_connections(codec, nid, &conn, 1) < 0)
++ return false;
++ /* the connection source is a stereo? */
++ wcaps = snd_hda_param_read(codec, conn, AC_PAR_AUDIO_WIDGET_CAP);
++ return !!(wcaps & AC_WCAP_STEREO);
++}
++
+ static void print_amp_vals(struct snd_info_buffer *buffer,
+ struct hda_codec *codec, hda_nid_t nid,
+- int dir, int stereo, int indices)
++ int dir, unsigned int wcaps, int indices)
+ {
+ unsigned int val;
++ bool stereo;
+ int i;
+
++ stereo = is_stereo_amps(codec, nid, dir, wcaps, indices);
++
+ dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
+ for (i = 0; i < indices; i++) {
+ snd_iprintf(buffer, " [");
+@@ -757,12 +782,10 @@ static void print_codec_info(struct snd_info_entry *entry,
+ (codec->single_adc_amp &&
+ wid_type == AC_WID_AUD_IN))
+ print_amp_vals(buffer, codec, nid, HDA_INPUT,
+- wid_caps & AC_WCAP_STEREO,
+- 1);
++ wid_caps, 1);
+ else
+ print_amp_vals(buffer, codec, nid, HDA_INPUT,
+- wid_caps & AC_WCAP_STEREO,
+- conn_len);
++ wid_caps, conn_len);
+ }
+ if (wid_caps & AC_WCAP_OUT_AMP) {
+ snd_iprintf(buffer, " Amp-Out caps: ");
+@@ -771,11 +794,10 @@ static void print_codec_info(struct snd_info_entry *entry,
+ if (wid_type == AC_WID_PIN &&
+ codec->pin_amp_workaround)
+ print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
+- wid_caps & AC_WCAP_STEREO,
+- conn_len);
++ wid_caps, conn_len);
+ else
+ print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
+- wid_caps & AC_WCAP_STEREO, 1);
++ wid_caps, 1);
+ }
+
+ switch (wid_type) {
+diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
+index 1589c9bcce3e..dd2b3d92071f 100644
+--- a/sound/pci/hda/patch_cirrus.c
++++ b/sound/pci/hda/patch_cirrus.c
+@@ -393,6 +393,7 @@ static const struct snd_pci_quirk cs420x_fixup_tbl[] = {
+ SND_PCI_QUIRK(0x106b, 0x1c00, "MacBookPro 8,1", CS420X_MBP81),
+ SND_PCI_QUIRK(0x106b, 0x2000, "iMac 12,2", CS420X_IMAC27_122),
+ SND_PCI_QUIRK(0x106b, 0x2800, "MacBookPro 10,1", CS420X_MBP101),
++ SND_PCI_QUIRK(0x106b, 0x5600, "MacBookAir 5,2", CS420X_MBP81),
+ SND_PCI_QUIRK(0x106b, 0x5b00, "MacBookAir 4,2", CS420X_MBA42),
+ SND_PCI_QUIRK_VENDOR(0x106b, "Apple", CS420X_APPLE),
+ {} /* terminator */
+@@ -584,6 +585,7 @@ static int patch_cs420x(struct hda_codec *codec)
+ return -ENOMEM;
+
+ spec->gen.automute_hook = cs_automute;
++ codec->single_adc_amp = 1;
+
+ snd_hda_pick_fixup(codec, cs420x_models, cs420x_fixup_tbl,
+ cs420x_fixups);
+diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
+index e9ebc7bd752c..1b1e8c68edd6 100644
+--- a/sound/pci/hda/patch_conexant.c
++++ b/sound/pci/hda/patch_conexant.c
+@@ -223,6 +223,7 @@ enum {
+ CXT_PINCFG_LENOVO_TP410,
+ CXT_PINCFG_LEMOTE_A1004,
+ CXT_PINCFG_LEMOTE_A1205,
++ CXT_PINCFG_COMPAQ_CQ60,
+ CXT_FIXUP_STEREO_DMIC,
+ CXT_FIXUP_INC_MIC_BOOST,
+ CXT_FIXUP_HEADPHONE_MIC_PIN,
+@@ -660,6 +661,15 @@ static const struct hda_fixup cxt_fixups[] = {
+ .type = HDA_FIXUP_PINS,
+ .v.pins = cxt_pincfg_lemote,
+ },
++ [CXT_PINCFG_COMPAQ_CQ60] = {
++ .type = HDA_FIXUP_PINS,
++ .v.pins = (const struct hda_pintbl[]) {
++ /* 0x17 was falsely set up as a mic, it should 0x1d */
++ { 0x17, 0x400001f0 },
++ { 0x1d, 0x97a70120 },
++ { }
++ }
++ },
+ [CXT_FIXUP_STEREO_DMIC] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = cxt_fixup_stereo_dmic,
+@@ -769,6 +779,7 @@ static const struct hda_model_fixup cxt5047_fixup_models[] = {
+ };
+
+ static const struct snd_pci_quirk cxt5051_fixups[] = {
++ SND_PCI_QUIRK(0x103c, 0x360b, "Compaq CQ60", CXT_PINCFG_COMPAQ_CQ60),
+ SND_PCI_QUIRK(0x17aa, 0x20f2, "Lenovo X200", CXT_PINCFG_LENOVO_X200),
+ {}
+ };
+diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
+index 83bddbdb90e9..5293b5ac8b9d 100644
+--- a/sound/usb/quirks-table.h
++++ b/sound/usb/quirks-table.h
+@@ -1773,6 +1773,36 @@ YAMAHA_DEVICE(0x7010, "UB99"),
+ }
+ }
+ },
++{
++ USB_DEVICE(0x0582, 0x0159),
++ .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
++ /* .vendor_name = "Roland", */
++ /* .product_name = "UA-22", */
++ .ifnum = QUIRK_ANY_INTERFACE,
++ .type = QUIRK_COMPOSITE,
++ .data = (const struct snd_usb_audio_quirk[]) {
++ {
++ .ifnum = 0,
++ .type = QUIRK_AUDIO_STANDARD_INTERFACE
++ },
++ {
++ .ifnum = 1,
++ .type = QUIRK_AUDIO_STANDARD_INTERFACE
++ },
++ {
++ .ifnum = 2,
++ .type = QUIRK_MIDI_FIXED_ENDPOINT,
++ .data = & (const struct snd_usb_midi_endpoint_info) {
++ .out_cables = 0x0001,
++ .in_cables = 0x0001
++ }
++ },
++ {
++ .ifnum = -1
++ }
++ }
++ }
++},
+ /* this catches most recent vendor-specific Roland devices */
+ {
+ .match_flags = USB_DEVICE_ID_MATCH_VENDOR |
+diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
+index 3cee7b167052..cfbe0e7d1c45 100644
+--- a/virt/kvm/kvm_main.c
++++ b/virt/kvm/kvm_main.c
+@@ -2417,6 +2417,7 @@ static long kvm_vm_ioctl_check_extension_generic(struct kvm *kvm, long arg)
+ case KVM_CAP_SIGNAL_MSI:
+ #endif
+ #ifdef CONFIG_HAVE_KVM_IRQFD
++ case KVM_CAP_IRQFD:
+ case KVM_CAP_IRQFD_RESAMPLE:
+ #endif
+ case KVM_CAP_CHECK_EXTENSION_VM: