Linux patch 4.14.149

Signed-off-by: Mike Pagano <mpagano@gentoo.org>

2 files changed, 2030 insertions, 0 deletions

diff --git a/0000_README b/0000_README
index 140c250b..3bfe86d5 100644
--- a/0000_README
+++ b/0000_README
@@ -635,6 +635,10 @@ Patch:  1147_linux-4.14.148.patch
 From:   https://www.kernel.org
 Desc:   Linux 4.14.148
 
+Patch:  1148_linux-4.14.149.patch
+From:   https://www.kernel.org
+Desc:   Linux 4.14.149
+
 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/1148_linux-4.14.149.patch b/1148_linux-4.14.149.patch
new file mode 100644
index 00000000..15c49870
--- /dev/null
+++ b/1148_linux-4.14.149.patch
@@ -0,0 +1,2026 @@
+diff --git a/Makefile b/Makefile
+index feecefa13ca6..93c3467eeb8c 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 14
+-SUBLEVEL = 148
++SUBLEVEL = 149
+ EXTRAVERSION =
+ NAME = Petit Gorille
+ 
+diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
+index 3b7488fce3db..7de26809340a 100644
+--- a/arch/powerpc/kvm/book3s_hv.c
++++ b/arch/powerpc/kvm/book3s_hv.c
+@@ -1356,7 +1356,14 @@ static int kvmppc_get_one_reg_hv(struct kvm_vcpu *vcpu, u64 id,
+ 		*val = get_reg_val(id, vcpu->arch.pspb);
+ 		break;
+ 	case KVM_REG_PPC_DPDES:
+-		*val = get_reg_val(id, vcpu->arch.vcore->dpdes);
++		/*
++		 * On POWER9, where we are emulating msgsndp etc.,
++		 * we return 1 bit for each vcpu, which can come from
++		 * either vcore->dpdes or doorbell_request.
++		 * On POWER8, doorbell_request is 0.
++		 */
++		*val = get_reg_val(id, vcpu->arch.vcore->dpdes |
++				   vcpu->arch.doorbell_request);
+ 		break;
+ 	case KVM_REG_PPC_VTB:
+ 		*val = get_reg_val(id, vcpu->arch.vcore->vtb);
+diff --git a/arch/powerpc/kvm/book3s_xive.c b/arch/powerpc/kvm/book3s_xive.c
+index 3c75eee45edf..46f99fc1901c 100644
+--- a/arch/powerpc/kvm/book3s_xive.c
++++ b/arch/powerpc/kvm/book3s_xive.c
+@@ -1001,20 +1001,22 @@ void kvmppc_xive_cleanup_vcpu(struct kvm_vcpu *vcpu)
+ 	/* Mask the VP IPI */
+ 	xive_vm_esb_load(&xc->vp_ipi_data, XIVE_ESB_SET_PQ_01);
+ 
+-	/* Disable the VP */
+-	xive_native_disable_vp(xc->vp_id);
+-
+-	/* Free the queues & associated interrupts */
++	/* Free escalations */
+ 	for (i = 0; i < KVMPPC_XIVE_Q_COUNT; i++) {
+-		struct xive_q *q = &xc->queues[i];
+-
+-		/* Free the escalation irq */
+ 		if (xc->esc_virq[i]) {
+ 			free_irq(xc->esc_virq[i], vcpu);
+ 			irq_dispose_mapping(xc->esc_virq[i]);
+ 			kfree(xc->esc_virq_names[i]);
+ 		}
+-		/* Free the queue */
++	}
++
++	/* Disable the VP */
++	xive_native_disable_vp(xc->vp_id);
++
++	/* Free the queues */
++	for (i = 0; i < KVMPPC_XIVE_Q_COUNT; i++) {
++		struct xive_q *q = &xc->queues[i];
++
+ 		xive_native_disable_queue(xc->vp_id, q, i);
+ 		if (q->qpage) {
+ 			free_pages((unsigned long)q->qpage,
+diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
+index 87687e46b48b..58c14749bb0c 100644
+--- a/arch/powerpc/mm/hash_utils_64.c
++++ b/arch/powerpc/mm/hash_utils_64.c
+@@ -35,6 +35,7 @@
+ #include <linux/memblock.h>
+ #include <linux/context_tracking.h>
+ #include <linux/libfdt.h>
++#include <linux/cpu.h>
+ 
+ #include <asm/debugfs.h>
+ #include <asm/processor.h>
+@@ -1852,10 +1853,16 @@ static int hpt_order_get(void *data, u64 *val)
+ 
+ static int hpt_order_set(void *data, u64 val)
+ {
++	int ret;
++
+ 	if (!mmu_hash_ops.resize_hpt)
+ 		return -ENODEV;
+ 
+-	return mmu_hash_ops.resize_hpt(val);
++	cpus_read_lock();
++	ret = mmu_hash_ops.resize_hpt(val);
++	cpus_read_unlock();
++
++	return ret;
+ }
+ 
+ DEFINE_SIMPLE_ATTRIBUTE(fops_hpt_order, hpt_order_get, hpt_order_set, "%llu\n");
+diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
+index c8a743af6bf5..597fcbf7a39e 100644
+--- a/arch/powerpc/platforms/powernv/opal.c
++++ b/arch/powerpc/platforms/powernv/opal.c
+@@ -617,7 +617,10 @@ static ssize_t symbol_map_read(struct file *fp, struct kobject *kobj,
+ 				       bin_attr->size);
+ }
+ 
+-static BIN_ATTR_RO(symbol_map, 0);
++static struct bin_attribute symbol_map_attr = {
++	.attr = {.name = "symbol_map", .mode = 0400},
++	.read = symbol_map_read
++};
+ 
+ static void opal_export_symmap(void)
+ {
+@@ -634,10 +637,10 @@ static void opal_export_symmap(void)
+ 		return;
+ 
+ 	/* Setup attributes */
+-	bin_attr_symbol_map.private = __va(be64_to_cpu(syms[0]));
+-	bin_attr_symbol_map.size = be64_to_cpu(syms[1]);
++	symbol_map_attr.private = __va(be64_to_cpu(syms[0]));
++	symbol_map_attr.size = be64_to_cpu(syms[1]);
+ 
+-	rc = sysfs_create_bin_file(opal_kobj, &bin_attr_symbol_map);
++	rc = sysfs_create_bin_file(opal_kobj, &symbol_map_attr);
+ 	if (rc)
+ 		pr_warn("Error %d creating OPAL symbols file\n", rc);
+ }
+diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
+index 55e97565ed2d..eb738ef57792 100644
+--- a/arch/powerpc/platforms/pseries/lpar.c
++++ b/arch/powerpc/platforms/pseries/lpar.c
+@@ -643,7 +643,10 @@ static int pseries_lpar_resize_hpt_commit(void *data)
+ 	return 0;
+ }
+ 
+-/* Must be called in user context */
++/*
++ * Must be called in process context. The caller must hold the
++ * cpus_lock.
++ */
+ static int pseries_lpar_resize_hpt(unsigned long shift)
+ {
+ 	struct hpt_resize_state state = {
+@@ -699,7 +702,8 @@ static int pseries_lpar_resize_hpt(unsigned long shift)
+ 
+ 	t1 = ktime_get();
+ 
+-	rc = stop_machine(pseries_lpar_resize_hpt_commit, &state, NULL);
++	rc = stop_machine_cpuslocked(pseries_lpar_resize_hpt_commit,
++				     &state, NULL);
+ 
+ 	t2 = ktime_get();
+ 
+diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
+index 7d4c5500c6c2..1bb7ea6afcf9 100644
+--- a/arch/s390/kernel/process.c
++++ b/arch/s390/kernel/process.c
+@@ -185,20 +185,30 @@ unsigned long get_wchan(struct task_struct *p)
+ 
+ 	if (!p || p == current || p->state == TASK_RUNNING || !task_stack_page(p))
+ 		return 0;
++
++	if (!try_get_task_stack(p))
++		return 0;
++
+ 	low = task_stack_page(p);
+ 	high = (struct stack_frame *) task_pt_regs(p);
+ 	sf = (struct stack_frame *) p->thread.ksp;
+-	if (sf <= low || sf > high)
+-		return 0;
++	if (sf <= low || sf > high) {
++		return_address = 0;
++		goto out;
++	}
+ 	for (count = 0; count < 16; count++) {
+ 		sf = (struct stack_frame *) sf->back_chain;
+-		if (sf <= low || sf > high)
+-			return 0;
++		if (sf <= low || sf > high) {
++			return_address = 0;
++			goto out;
++		}
+ 		return_address = sf->gprs[8];
+ 		if (!in_sched_functions(return_address))
+-			return return_address;
++			goto out;
+ 	}
+-	return 0;
++out:
++	put_task_stack(p);
++	return return_address;
+ }
+ 
+ unsigned long arch_align_stack(unsigned long sp)
+diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
+index ed0bdd220e1a..bd074acd0d1f 100644
+--- a/arch/s390/kernel/topology.c
++++ b/arch/s390/kernel/topology.c
+@@ -300,7 +300,8 @@ int arch_update_cpu_topology(void)
+ 	rc = __arch_update_cpu_topology();
+ 	for_each_online_cpu(cpu) {
+ 		dev = get_cpu_device(cpu);
+-		kobject_uevent(&dev->kobj, KOBJ_CHANGE);
++		if (dev)
++			kobject_uevent(&dev->kobj, KOBJ_CHANGE);
+ 	}
+ 	return rc;
+ }
+diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
+index a27fb640adbe..cab41bc2572f 100644
+--- a/arch/s390/kvm/kvm-s390.c
++++ b/arch/s390/kvm/kvm-s390.c
+@@ -3658,7 +3658,7 @@ static long kvm_s390_guest_mem_op(struct kvm_vcpu *vcpu,
+ 	const u64 supported_flags = KVM_S390_MEMOP_F_INJECT_EXCEPTION
+ 				    | KVM_S390_MEMOP_F_CHECK_ONLY;
+ 
+-	if (mop->flags & ~supported_flags)
++	if (mop->flags & ~supported_flags || mop->ar >= NUM_ACRS || !mop->size)
+ 		return -EINVAL;
+ 
+ 	if (mop->size > MEM_OP_MAX_SIZE)
+diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
+index a5a77a19adf6..7784b02312ca 100644
+--- a/arch/x86/kvm/vmx.c
++++ b/arch/x86/kvm/vmx.c
+@@ -8026,7 +8026,7 @@ static int handle_vmread(struct kvm_vcpu *vcpu)
+ 		/* _system ok, nested_vmx_check_permission has verified cpl=0 */
+ 		if (kvm_write_guest_virt_system(vcpu, gva, &field_value,
+ 						(is_long_mode(vcpu) ? 8 : 4),
+-						NULL))
++						&e))
+ 			kvm_inject_page_fault(vcpu, &e);
+ 	}
+ 
+diff --git a/crypto/skcipher.c b/crypto/skcipher.c
+index c5501404f145..915bbae3d5bc 100644
+--- a/crypto/skcipher.c
++++ b/crypto/skcipher.c
+@@ -95,7 +95,7 @@ static inline u8 *skcipher_get_spot(u8 *start, unsigned int len)
+ 	return max(start, end_page);
+ }
+ 
+-static void skcipher_done_slow(struct skcipher_walk *walk, unsigned int bsize)
++static int skcipher_done_slow(struct skcipher_walk *walk, unsigned int bsize)
+ {
+ 	u8 *addr;
+ 
+@@ -103,19 +103,21 @@ static void skcipher_done_slow(struct skcipher_walk *walk, unsigned int bsize)
+ 	addr = skcipher_get_spot(addr, bsize);
+ 	scatterwalk_copychunks(addr, &walk->out, bsize,
+ 			       (walk->flags & SKCIPHER_WALK_PHYS) ? 2 : 1);
++	return 0;
+ }
+ 
+ int skcipher_walk_done(struct skcipher_walk *walk, int err)
+ {
+-	unsigned int n; /* bytes processed */
+-	bool more;
++	unsigned int n = walk->nbytes;
++	unsigned int nbytes = 0;
+ 
+-	if (unlikely(err < 0))
++	if (!n)
+ 		goto finish;
+ 
+-	n = walk->nbytes - err;
+-	walk->total -= n;
+-	more = (walk->total != 0);
++	if (likely(err >= 0)) {
++		n -= err;
++		nbytes = walk->total - n;
++	}
+ 
+ 	if (likely(!(walk->flags & (SKCIPHER_WALK_PHYS |
+ 				    SKCIPHER_WALK_SLOW |
+@@ -131,7 +133,7 @@ unmap_src:
+ 		memcpy(walk->dst.virt.addr, walk->page, n);
+ 		skcipher_unmap_dst(walk);
+ 	} else if (unlikely(walk->flags & SKCIPHER_WALK_SLOW)) {
+-		if (err) {
++		if (err > 0) {
+ 			/*
+ 			 * Didn't process all bytes.  Either the algorithm is
+ 			 * broken, or this was the last step and it turned out
+@@ -139,27 +141,29 @@ unmap_src:
+ 			 * the algorithm requires it.
+ 			 */
+ 			err = -EINVAL;
+-			goto finish;
+-		}
+-		skcipher_done_slow(walk, n);
+-		goto already_advanced;
++			nbytes = 0;
++		} else
++			n = skcipher_done_slow(walk, n);
+ 	}
+ 
++	if (err > 0)
++		err = 0;
++
++	walk->total = nbytes;
++	walk->nbytes = 0;
++
+ 	scatterwalk_advance(&walk->in, n);
+ 	scatterwalk_advance(&walk->out, n);
+-already_advanced:
+-	scatterwalk_done(&walk->in, 0, more);
+-	scatterwalk_done(&walk->out, 1, more);
++	scatterwalk_done(&walk->in, 0, nbytes);
++	scatterwalk_done(&walk->out, 1, nbytes);
+ 
+-	if (more) {
++	if (nbytes) {
+ 		crypto_yield(walk->flags & SKCIPHER_WALK_SLEEP ?
+ 			     CRYPTO_TFM_REQ_MAY_SLEEP : 0);
+ 		return skcipher_walk_next(walk);
+ 	}
+-	err = 0;
+-finish:
+-	walk->nbytes = 0;
+ 
++finish:
+ 	/* Short-circuit for the common/fast path. */
+ 	if (!((unsigned long)walk->buffer | (unsigned long)walk->page))
+ 		goto out;
+diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
+index e4b049f281f5..a23460084955 100644
+--- a/drivers/block/nbd.c
++++ b/drivers/block/nbd.c
+@@ -106,6 +106,7 @@ struct nbd_device {
+ 	struct nbd_config *config;
+ 	struct mutex config_lock;
+ 	struct gendisk *disk;
++	struct workqueue_struct *recv_workq;
+ 
+ 	struct list_head list;
+ 	struct task_struct *task_recv;
+@@ -132,9 +133,10 @@ static struct dentry *nbd_dbg_dir;
+ 
+ #define NBD_MAGIC 0x68797548
+ 
++#define NBD_DEF_BLKSIZE 1024
++
+ static unsigned int nbds_max = 16;
+ static int max_part = 16;
+-static struct workqueue_struct *recv_workqueue;
+ static int part_shift;
+ 
+ static int nbd_dev_dbg_init(struct nbd_device *nbd);
+@@ -1013,7 +1015,7 @@ static int nbd_reconnect_socket(struct nbd_device *nbd, unsigned long arg)
+ 		/* We take the tx_mutex in an error path in the recv_work, so we
+ 		 * need to queue_work outside of the tx_mutex.
+ 		 */
+-		queue_work(recv_workqueue, &args->work);
++		queue_work(nbd->recv_workq, &args->work);
+ 
+ 		atomic_inc(&config->live_connections);
+ 		wake_up(&config->conn_wait);
+@@ -1118,6 +1120,10 @@ static void nbd_config_put(struct nbd_device *nbd)
+ 		kfree(nbd->config);
+ 		nbd->config = NULL;
+ 
++		if (nbd->recv_workq)
++			destroy_workqueue(nbd->recv_workq);
++		nbd->recv_workq = NULL;
++
+ 		nbd->tag_set.timeout = 0;
+ 		queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, nbd->disk->queue);
+ 
+@@ -1143,6 +1149,14 @@ static int nbd_start_device(struct nbd_device *nbd)
+ 		return -EINVAL;
+ 	}
+ 
++	nbd->recv_workq = alloc_workqueue("knbd%d-recv",
++					  WQ_MEM_RECLAIM | WQ_HIGHPRI |
++					  WQ_UNBOUND, 0, nbd->index);
++	if (!nbd->recv_workq) {
++		dev_err(disk_to_dev(nbd->disk), "Could not allocate knbd recv work queue.\n");
++		return -ENOMEM;
++	}
++
+ 	blk_mq_update_nr_hw_queues(&nbd->tag_set, config->num_connections);
+ 	nbd->task_recv = current;
+ 
+@@ -1173,7 +1187,7 @@ static int nbd_start_device(struct nbd_device *nbd)
+ 		INIT_WORK(&args->work, recv_work);
+ 		args->nbd = nbd;
+ 		args->index = i;
+-		queue_work(recv_workqueue, &args->work);
++		queue_work(nbd->recv_workq, &args->work);
+ 	}
+ 	nbd_size_update(nbd);
+ 	return error;
+@@ -1193,8 +1207,10 @@ static int nbd_start_device_ioctl(struct nbd_device *nbd, struct block_device *b
+ 	mutex_unlock(&nbd->config_lock);
+ 	ret = wait_event_interruptible(config->recv_wq,
+ 					 atomic_read(&config->recv_threads) == 0);
+-	if (ret)
++	if (ret) {
+ 		sock_shutdown(nbd);
++		flush_workqueue(nbd->recv_workq);
++	}
+ 	mutex_lock(&nbd->config_lock);
+ 	bd_set_size(bdev, 0);
+ 	/* user requested, ignore socket errors */
+@@ -1216,6 +1232,14 @@ static void nbd_clear_sock_ioctl(struct nbd_device *nbd,
+ 		nbd_config_put(nbd);
+ }
+ 
++static bool nbd_is_valid_blksize(unsigned long blksize)
++{
++	if (!blksize || !is_power_of_2(blksize) || blksize < 512 ||
++	    blksize > PAGE_SIZE)
++		return false;
++	return true;
++}
++
+ /* Must be called with config_lock held */
+ static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd,
+ 		       unsigned int cmd, unsigned long arg)
+@@ -1231,8 +1255,9 @@ static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd,
+ 	case NBD_SET_SOCK:
+ 		return nbd_add_socket(nbd, arg, false);
+ 	case NBD_SET_BLKSIZE:
+-		if (!arg || !is_power_of_2(arg) || arg < 512 ||
+-		    arg > PAGE_SIZE)
++		if (!arg)
++			arg = NBD_DEF_BLKSIZE;
++		if (!nbd_is_valid_blksize(arg))
+ 			return -EINVAL;
+ 		nbd_size_set(nbd, arg,
+ 			     div_s64(config->bytesize, arg));
+@@ -1312,7 +1337,7 @@ static struct nbd_config *nbd_alloc_config(void)
+ 	atomic_set(&config->recv_threads, 0);
+ 	init_waitqueue_head(&config->recv_wq);
+ 	init_waitqueue_head(&config->conn_wait);
+-	config->blksize = 1024;
++	config->blksize = NBD_DEF_BLKSIZE;
+ 	atomic_set(&config->live_connections, 0);
+ 	try_module_get(THIS_MODULE);
+ 	return config;
+@@ -1744,6 +1769,12 @@ again:
+ 	if (info->attrs[NBD_ATTR_BLOCK_SIZE_BYTES]) {
+ 		u64 bsize =
+ 			nla_get_u64(info->attrs[NBD_ATTR_BLOCK_SIZE_BYTES]);
++		if (!bsize)
++			bsize = NBD_DEF_BLKSIZE;
++		if (!nbd_is_valid_blksize(bsize)) {
++			ret = -EINVAL;
++			goto out;
++		}
+ 		nbd_size_set(nbd, bsize, div64_u64(config->bytesize, bsize));
+ 	}
+ 	if (info->attrs[NBD_ATTR_TIMEOUT]) {
+@@ -1819,6 +1850,12 @@ static void nbd_disconnect_and_put(struct nbd_device *nbd)
+ 	mutex_lock(&nbd->config_lock);
+ 	nbd_disconnect(nbd);
+ 	mutex_unlock(&nbd->config_lock);
++	/*
++	 * Make sure recv thread has finished, so it does not drop the last
++	 * config ref and try to destroy the workqueue from inside the work
++	 * queue.
++	 */
++	flush_workqueue(nbd->recv_workq);
+ 	if (test_and_clear_bit(NBD_HAS_CONFIG_REF,
+ 			       &nbd->config->runtime_flags))
+ 		nbd_config_put(nbd);
+@@ -2199,19 +2236,12 @@ static int __init nbd_init(void)
+ 
+ 	if (nbds_max > 1UL << (MINORBITS - part_shift))
+ 		return -EINVAL;
+-	recv_workqueue = alloc_workqueue("knbd-recv",
+-					 WQ_MEM_RECLAIM | WQ_HIGHPRI, 0);
+-	if (!recv_workqueue)
+-		return -ENOMEM;
+ 
+-	if (register_blkdev(NBD_MAJOR, "nbd")) {
+-		destroy_workqueue(recv_workqueue);
++	if (register_blkdev(NBD_MAJOR, "nbd"))
+ 		return -EIO;
+-	}
+ 
+ 	if (genl_register_family(&nbd_genl_family)) {
+ 		unregister_blkdev(NBD_MAJOR, "nbd");
+-		destroy_workqueue(recv_workqueue);
+ 		return -EINVAL;
+ 	}
+ 	nbd_dbg_init();
+@@ -2253,7 +2283,6 @@ static void __exit nbd_cleanup(void)
+ 
+ 	idr_destroy(&nbd_index_idr);
+ 	genl_unregister_family(&nbd_genl_family);
+-	destroy_workqueue(recv_workqueue);
+ 	unregister_blkdev(NBD_MAJOR, "nbd");
+ }
+ 
+diff --git a/drivers/crypto/caam/caamalg_desc.c b/drivers/crypto/caam/caamalg_desc.c
+index 530c14ee32de..b23c7b72525c 100644
+--- a/drivers/crypto/caam/caamalg_desc.c
++++ b/drivers/crypto/caam/caamalg_desc.c
+@@ -476,6 +476,7 @@ void cnstr_shdsc_aead_givencap(u32 * const desc, struct alginfo *cdata,
+ 			       const bool is_qi)
+ {
+ 	u32 geniv, moveiv;
++	u32 *wait_cmd;
+ 
+ 	/* Note: Context registers are saved. */
+ 	init_sh_desc_key_aead(desc, cdata, adata, is_rfc3686, nonce);
+@@ -566,6 +567,14 @@ copy_iv:
+ 
+ 	/* Will read cryptlen */
+ 	append_math_add(desc, VARSEQINLEN, SEQINLEN, REG0, CAAM_CMD_SZ);
++
++	/*
++	 * Wait for IV transfer (ofifo -> class2) to finish before starting
++	 * ciphertext transfer (ofifo -> external memory).
++	 */
++	wait_cmd = append_jump(desc, JUMP_JSL | JUMP_TEST_ALL | JUMP_COND_NIFP);
++	set_jump_tgt_here(desc, wait_cmd);
++
+ 	append_seq_fifo_load(desc, 0, FIFOLD_CLASS_BOTH | KEY_VLF |
+ 			     FIFOLD_TYPE_MSG1OUT2 | FIFOLD_TYPE_LASTBOTH);
+ 	append_seq_fifo_store(desc, 0, FIFOST_TYPE_MESSAGE_DATA | KEY_VLF);
+diff --git a/drivers/crypto/caam/caamalg_desc.h b/drivers/crypto/caam/caamalg_desc.h
+index e412ec8f7005..9197b55d708a 100644
+--- a/drivers/crypto/caam/caamalg_desc.h
++++ b/drivers/crypto/caam/caamalg_desc.h
+@@ -12,7 +12,7 @@
+ #define DESC_AEAD_BASE			(4 * CAAM_CMD_SZ)
+ #define DESC_AEAD_ENC_LEN		(DESC_AEAD_BASE + 11 * CAAM_CMD_SZ)
+ #define DESC_AEAD_DEC_LEN		(DESC_AEAD_BASE + 15 * CAAM_CMD_SZ)
+-#define DESC_AEAD_GIVENC_LEN		(DESC_AEAD_ENC_LEN + 7 * CAAM_CMD_SZ)
++#define DESC_AEAD_GIVENC_LEN		(DESC_AEAD_ENC_LEN + 8 * CAAM_CMD_SZ)
+ #define DESC_QI_AEAD_ENC_LEN		(DESC_AEAD_ENC_LEN + 3 * CAAM_CMD_SZ)
+ #define DESC_QI_AEAD_DEC_LEN		(DESC_AEAD_DEC_LEN + 3 * CAAM_CMD_SZ)
+ #define DESC_QI_AEAD_GIVENC_LEN		(DESC_AEAD_GIVENC_LEN + 3 * CAAM_CMD_SZ)
+diff --git a/drivers/crypto/cavium/zip/zip_main.c b/drivers/crypto/cavium/zip/zip_main.c
+index a6425a7afa7b..279ffdd8b53d 100644
+--- a/drivers/crypto/cavium/zip/zip_main.c
++++ b/drivers/crypto/cavium/zip/zip_main.c
+@@ -595,6 +595,7 @@ static const struct file_operations zip_stats_fops = {
+ 	.owner = THIS_MODULE,
+ 	.open  = zip_stats_open,
+ 	.read  = seq_read,
++	.release = single_release,
+ };
+ 
+ static int zip_clear_open(struct inode *inode, struct file *file)
+@@ -606,6 +607,7 @@ static const struct file_operations zip_clear_fops = {
+ 	.owner = THIS_MODULE,
+ 	.open  = zip_clear_open,
+ 	.read  = seq_read,
++	.release = single_release,
+ };
+ 
+ static int zip_regs_open(struct inode *inode, struct file *file)
+@@ -617,6 +619,7 @@ static const struct file_operations zip_regs_fops = {
+ 	.owner = THIS_MODULE,
+ 	.open  = zip_regs_open,
+ 	.read  = seq_read,
++	.release = single_release,
+ };
+ 
+ /* Root directory for thunderx_zip debugfs entry */
+diff --git a/drivers/crypto/qat/qat_common/adf_common_drv.h b/drivers/crypto/qat/qat_common/adf_common_drv.h
+index 5c4c0a253129..d78f8d5c89c3 100644
+--- a/drivers/crypto/qat/qat_common/adf_common_drv.h
++++ b/drivers/crypto/qat/qat_common/adf_common_drv.h
+@@ -95,7 +95,7 @@ struct service_hndl {
+ 
+ static inline int get_current_node(void)
+ {
+-	return topology_physical_package_id(smp_processor_id());
++	return topology_physical_package_id(raw_smp_processor_id());
+ }
+ 
+ int adf_service_register(struct service_hndl *service);
+diff --git a/drivers/devfreq/tegra-devfreq.c b/drivers/devfreq/tegra-devfreq.c
+index ae712159246f..6627a7dce95c 100644
+--- a/drivers/devfreq/tegra-devfreq.c
++++ b/drivers/devfreq/tegra-devfreq.c
+@@ -485,11 +485,11 @@ static int tegra_devfreq_target(struct device *dev, unsigned long *freq,
+ {
+ 	struct tegra_devfreq *tegra = dev_get_drvdata(dev);
+ 	struct dev_pm_opp *opp;
+-	unsigned long rate = *freq * KHZ;
++	unsigned long rate;
+ 
+-	opp = devfreq_recommended_opp(dev, &rate, flags);
++	opp = devfreq_recommended_opp(dev, freq, flags);
+ 	if (IS_ERR(opp)) {
+-		dev_err(dev, "Failed to find opp for %lu KHz\n", *freq);
++		dev_err(dev, "Failed to find opp for %lu Hz\n", *freq);
+ 		return PTR_ERR(opp);
+ 	}
+ 	rate = dev_pm_opp_get_freq(opp);
+@@ -498,8 +498,6 @@ static int tegra_devfreq_target(struct device *dev, unsigned long *freq,
+ 	clk_set_min_rate(tegra->emc_clock, rate);
+ 	clk_set_rate(tegra->emc_clock, 0);
+ 
+-	*freq = rate;
+-
+ 	return 0;
+ }
+ 
+@@ -509,7 +507,7 @@ static int tegra_devfreq_get_dev_status(struct device *dev,
+ 	struct tegra_devfreq *tegra = dev_get_drvdata(dev);
+ 	struct tegra_devfreq_device *actmon_dev;
+ 
+-	stat->current_frequency = tegra->cur_freq;
++	stat->current_frequency = tegra->cur_freq * KHZ;
+ 
+ 	/* To be used by the tegra governor */
+ 	stat->private_data = tegra;
+@@ -564,7 +562,7 @@ static int tegra_governor_get_target(struct devfreq *devfreq,
+ 		target_freq = max(target_freq, dev->target_freq);
+ 	}
+ 
+-	*freq = target_freq;
++	*freq = target_freq * KHZ;
+ 
+ 	return 0;
+ }
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+index e16229000a98..884ed359f249 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+@@ -540,6 +540,9 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
+ 		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
+ 			sh_num = 0xffffffff;
+ 
++		if (info->read_mmr_reg.count > 128)
++			return -EINVAL;
++
+ 		regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
+ 		if (!regs)
+ 			return -ENOMEM;
+diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c
+index 41ebb37aaa79..844e1142a122 100644
+--- a/drivers/gpu/drm/omapdrm/dss/dss.c
++++ b/drivers/gpu/drm/omapdrm/dss/dss.c
+@@ -1100,7 +1100,7 @@ static const struct dss_features omap34xx_dss_feats = {
+ 
+ static const struct dss_features omap3630_dss_feats = {
+ 	.model			=	DSS_MODEL_OMAP3,
+-	.fck_div_max		=	32,
++	.fck_div_max		=	31,
+ 	.fck_freq_max		=	173000000,
+ 	.dss_fck_multiplier	=	1,
+ 	.parent_clk_name	=	"dpll4_ck",
+diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c
+index 78cb3b8881fa..b0141ba7b741 100644
+--- a/drivers/hwtracing/coresight/coresight-etm4x.c
++++ b/drivers/hwtracing/coresight/coresight-etm4x.c
+@@ -181,6 +181,12 @@ static void etm4_enable_hw(void *info)
+ 	if (coresight_timeout(drvdata->base, TRCSTATR, TRCSTATR_IDLE_BIT, 0))
+ 		dev_err(drvdata->dev,
+ 			"timeout while waiting for Idle Trace Status\n");
++	/*
++	 * As recommended by section 4.3.7 ("Synchronization when using the
++	 * memory-mapped interface") of ARM IHI 0064D
++	 */
++	dsb(sy);
++	isb();
+ 
+ 	CS_LOCK(drvdata->base);
+ 
+@@ -331,8 +337,12 @@ static void etm4_disable_hw(void *info)
+ 	/* EN, bit[0] Trace unit enable bit */
+ 	control &= ~0x1;
+ 
+-	/* make sure everything completes before disabling */
+-	mb();
++	/*
++	 * Make sure everything completes before disabling, as recommended
++	 * by section 7.3.77 ("TRCVICTLR, ViewInst Main Control Register,
++	 * SSTATUS") of ARM IHI 0064D
++	 */
++	dsb(sy);
+ 	isb();
+ 	writel_relaxed(control, drvdata->base + TRCPRGCTLR);
+ 
+diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
+index bcfa84aa2113..176cbc67d08a 100644
+--- a/drivers/mmc/host/sdhci-of-esdhc.c
++++ b/drivers/mmc/host/sdhci-of-esdhc.c
+@@ -435,7 +435,12 @@ static int esdhc_of_enable_dma(struct sdhci_host *host)
+ 		dma_set_mask_and_coherent(dev, DMA_BIT_MASK(40));
+ 
+ 	value = sdhci_readl(host, ESDHC_DMA_SYSCTL);
+-	value |= ESDHC_DMA_SNOOP;
++
++	if (of_dma_is_coherent(dev->of_node))
++		value |= ESDHC_DMA_SNOOP;
++	else
++		value &= ~ESDHC_DMA_SNOOP;
++
+ 	sdhci_writel(host, value, ESDHC_DMA_SYSCTL);
+ 	return 0;
+ }
+diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
+index 3741d4c846e5..5807028c8309 100644
+--- a/drivers/mmc/host/sdhci.c
++++ b/drivers/mmc/host/sdhci.c
+@@ -2638,6 +2638,7 @@ static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask, u32 *intmask_p)
+ static void sdhci_adma_show_error(struct sdhci_host *host)
+ {
+ 	void *desc = host->adma_table;
++	dma_addr_t dma = host->adma_addr;
+ 
+ 	sdhci_dumpregs(host);
+ 
+@@ -2645,18 +2646,21 @@ static void sdhci_adma_show_error(struct sdhci_host *host)
+ 		struct sdhci_adma2_64_desc *dma_desc = desc;
+ 
+ 		if (host->flags & SDHCI_USE_64_BIT_DMA)
+-			DBG("%p: DMA 0x%08x%08x, LEN 0x%04x, Attr=0x%02x\n",
+-			    desc, le32_to_cpu(dma_desc->addr_hi),
++			SDHCI_DUMP("%08llx: DMA 0x%08x%08x, LEN 0x%04x, Attr=0x%02x\n",
++			    (unsigned long long)dma,
++			    le32_to_cpu(dma_desc->addr_hi),
+ 			    le32_to_cpu(dma_desc->addr_lo),
+ 			    le16_to_cpu(dma_desc->len),
+ 			    le16_to_cpu(dma_desc->cmd));
+ 		else
+-			DBG("%p: DMA 0x%08x, LEN 0x%04x, Attr=0x%02x\n",
+-			    desc, le32_to_cpu(dma_desc->addr_lo),
++			SDHCI_DUMP("%08llx: DMA 0x%08x, LEN 0x%04x, Attr=0x%02x\n",
++			    (unsigned long long)dma,
++			    le32_to_cpu(dma_desc->addr_lo),
+ 			    le16_to_cpu(dma_desc->len),
+ 			    le16_to_cpu(dma_desc->cmd));
+ 
+ 		desc += host->desc_sz;
++		dma += host->desc_sz;
+ 
+ 		if (dma_desc->cmd & cpu_to_le16(ADMA2_END))
+ 			break;
+@@ -2732,7 +2736,8 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask)
+ 			!= MMC_BUS_TEST_R)
+ 		host->data->error = -EILSEQ;
+ 	else if (intmask & SDHCI_INT_ADMA_ERROR) {
+-		pr_err("%s: ADMA error\n", mmc_hostname(host->mmc));
++		pr_err("%s: ADMA error: 0x%08x\n", mmc_hostname(host->mmc),
++		       intmask);
+ 		sdhci_adma_show_error(host);
+ 		host->data->error = -EIO;
+ 		if (host->ops->adma_workaround)
+diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c
+index d8c448beab24..ec0b3d025867 100644
+--- a/drivers/net/can/spi/mcp251x.c
++++ b/drivers/net/can/spi/mcp251x.c
+@@ -627,7 +627,7 @@ static int mcp251x_setup(struct net_device *net, struct mcp251x_priv *priv,
+ static int mcp251x_hw_reset(struct spi_device *spi)
+ {
+ 	struct mcp251x_priv *priv = spi_get_drvdata(spi);
+-	u8 reg;
++	unsigned long timeout;
+ 	int ret;
+ 
+ 	/* Wait for oscillator startup timer after power up */
+@@ -641,10 +641,19 @@ static int mcp251x_hw_reset(struct spi_device *spi)
+ 	/* Wait for oscillator startup timer after reset */
+ 	mdelay(MCP251X_OST_DELAY_MS);
+ 
+-	reg = mcp251x_read_reg(spi, CANSTAT);
+-	if ((reg & CANCTRL_REQOP_MASK) != CANCTRL_REQOP_CONF)
+-		return -ENODEV;
+-
++	/* Wait for reset to finish */
++	timeout = jiffies + HZ;
++	while ((mcp251x_read_reg(spi, CANSTAT) & CANCTRL_REQOP_MASK) !=
++	       CANCTRL_REQOP_CONF) {
++		usleep_range(MCP251X_OST_DELAY_MS * 1000,
++			     MCP251X_OST_DELAY_MS * 1000 * 2);
++
++		if (time_after(jiffies, timeout)) {
++			dev_err(&spi->dev,
++				"MCP251x didn't enter in conf mode after reset\n");
++			return -EBUSY;
++		}
++	}
+ 	return 0;
+ }
+ 
+diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c
+index ef688518ad77..8e2cbc88df98 100644
+--- a/drivers/net/ieee802154/atusb.c
++++ b/drivers/net/ieee802154/atusb.c
+@@ -907,10 +907,11 @@ static void atusb_disconnect(struct usb_interface *interface)
+ 
+ 	ieee802154_unregister_hw(atusb->hw);
+ 
++	usb_put_dev(atusb->usb_dev);
++
+ 	ieee802154_free_hw(atusb->hw);
+ 
+ 	usb_set_intfdata(interface, NULL);
+-	usb_put_dev(atusb->usb_dev);
+ 
+ 	pr_debug("atusb_disconnect done\n");
+ }
+diff --git a/drivers/pwm/pwm-stm32-lp.c b/drivers/pwm/pwm-stm32-lp.c
+index 9793b296108f..3f2e4ef695d7 100644
+--- a/drivers/pwm/pwm-stm32-lp.c
++++ b/drivers/pwm/pwm-stm32-lp.c
+@@ -59,6 +59,12 @@ static int stm32_pwm_lp_apply(struct pwm_chip *chip, struct pwm_device *pwm,
+ 	/* Calculate the period and prescaler value */
+ 	div = (unsigned long long)clk_get_rate(priv->clk) * state->period;
+ 	do_div(div, NSEC_PER_SEC);
++	if (!div) {
++		/* Clock is too slow to achieve requested period. */
++		dev_dbg(priv->chip.dev, "Can't reach %u ns\n",	state->period);
++		return -EINVAL;
++	}
++
+ 	prd = div;
+ 	while (div > STM32_LPTIM_MAX_ARR) {
+ 		presc++;
+diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
+index 34b9ad6b3143..158b5ce45b3b 100644
+--- a/drivers/s390/cio/ccwgroup.c
++++ b/drivers/s390/cio/ccwgroup.c
+@@ -369,7 +369,7 @@ int ccwgroup_create_dev(struct device *parent, struct ccwgroup_driver *gdrv,
+ 		goto error;
+ 	}
+ 	/* Check for trailing stuff. */
+-	if (i == num_devices && strlen(buf) > 0) {
++	if (i == num_devices && buf && strlen(buf) > 0) {
+ 		rc = -EINVAL;
+ 		goto error;
+ 	}
+diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
+index d3e504c3c362..dadff1838fec 100644
+--- a/drivers/s390/cio/css.c
++++ b/drivers/s390/cio/css.c
+@@ -1178,6 +1178,8 @@ device_initcall(cio_settle_init);
+ 
+ int sch_is_pseudo_sch(struct subchannel *sch)
+ {
++	if (!sch->dev.parent)
++		return 0;
+ 	return sch == to_css(sch->dev.parent)->pseudo_subchannel;
+ }
+ 
+diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
+index 17d6079c7642..456ef213dc14 100644
+--- a/drivers/thermal/thermal_core.c
++++ b/drivers/thermal/thermal_core.c
+@@ -299,7 +299,7 @@ static void thermal_zone_device_set_polling(struct thermal_zone_device *tz,
+ 		mod_delayed_work(system_freezable_wq, &tz->poll_queue,
+ 				 msecs_to_jiffies(delay));
+ 	else
+-		cancel_delayed_work(&tz->poll_queue);
++		cancel_delayed_work_sync(&tz->poll_queue);
+ }
+ 
+ static void monitor_thermal_zone(struct thermal_zone_device *tz)
+diff --git a/drivers/watchdog/aspeed_wdt.c b/drivers/watchdog/aspeed_wdt.c
+index fd91007b4e41..cee7334b2a00 100644
+--- a/drivers/watchdog/aspeed_wdt.c
++++ b/drivers/watchdog/aspeed_wdt.c
+@@ -38,6 +38,7 @@ static const struct aspeed_wdt_config ast2500_config = {
+ static const struct of_device_id aspeed_wdt_of_table[] = {
+ 	{ .compatible = "aspeed,ast2400-wdt", .data = &ast2400_config },
+ 	{ .compatible = "aspeed,ast2500-wdt", .data = &ast2500_config },
++	{ .compatible = "aspeed,ast2600-wdt", .data = &ast2500_config },
+ 	{ },
+ };
+ MODULE_DEVICE_TABLE(of, aspeed_wdt_of_table);
+@@ -257,7 +258,8 @@ static int aspeed_wdt_probe(struct platform_device *pdev)
+ 		set_bit(WDOG_HW_RUNNING, &wdt->wdd.status);
+ 	}
+ 
+-	if (of_device_is_compatible(np, "aspeed,ast2500-wdt")) {
++	if ((of_device_is_compatible(np, "aspeed,ast2500-wdt")) ||
++		(of_device_is_compatible(np, "aspeed,ast2600-wdt"))) {
+ 		u32 reg = readl(wdt->base + WDT_RESET_WIDTH);
+ 
+ 		reg &= config->ext_pulse_width_mask;
+diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c
+index 5098982e1a58..e5c162b05376 100644
+--- a/drivers/watchdog/imx2_wdt.c
++++ b/drivers/watchdog/imx2_wdt.c
+@@ -58,7 +58,7 @@
+ 
+ #define IMX2_WDT_WMCR		0x08		/* Misc Register */
+ 
+-#define IMX2_WDT_MAX_TIME	128
++#define IMX2_WDT_MAX_TIME	128U
+ #define IMX2_WDT_DEFAULT_TIME	60		/* in seconds */
+ 
+ #define WDOG_SEC_TO_COUNT(s)	((s * 2 - 1) << 8)
+@@ -183,7 +183,7 @@ static int imx2_wdt_set_timeout(struct watchdog_device *wdog,
+ {
+ 	unsigned int actual;
+ 
+-	actual = min(new_timeout, wdog->max_hw_heartbeat_ms * 1000);
++	actual = min(new_timeout, IMX2_WDT_MAX_TIME);
+ 	__imx2_wdt_set_timeout(wdog, actual);
+ 	wdog->timeout = new_timeout;
+ 	return 0;
+diff --git a/drivers/xen/pci.c b/drivers/xen/pci.c
+index 7494dbeb4409..db58aaa4dc59 100644
+--- a/drivers/xen/pci.c
++++ b/drivers/xen/pci.c
+@@ -29,6 +29,8 @@
+ #include "../pci/pci.h"
+ #ifdef CONFIG_PCI_MMCONFIG
+ #include <asm/pci_x86.h>
++
++static int xen_mcfg_late(void);
+ #endif
+ 
+ static bool __read_mostly pci_seg_supported = true;
+@@ -40,7 +42,18 @@ static int xen_add_device(struct device *dev)
+ #ifdef CONFIG_PCI_IOV
+ 	struct pci_dev *physfn = pci_dev->physfn;
+ #endif
+-
++#ifdef CONFIG_PCI_MMCONFIG
++	static bool pci_mcfg_reserved = false;
++	/*
++	 * Reserve MCFG areas in Xen on first invocation due to this being
++	 * potentially called from inside of acpi_init immediately after
++	 * MCFG table has been finally parsed.
++	 */
++	if (!pci_mcfg_reserved) {
++		xen_mcfg_late();
++		pci_mcfg_reserved = true;
++	}
++#endif
+ 	if (pci_seg_supported) {
+ 		struct {
+ 			struct physdev_pci_device_add add;
+@@ -213,7 +226,7 @@ static int __init register_xen_pci_notifier(void)
+ arch_initcall(register_xen_pci_notifier);
+ 
+ #ifdef CONFIG_PCI_MMCONFIG
+-static int __init xen_mcfg_late(void)
++static int xen_mcfg_late(void)
+ {
+ 	struct pci_mmcfg_region *cfg;
+ 	int rc;
+@@ -252,8 +265,4 @@ static int __init xen_mcfg_late(void)
+ 	}
+ 	return 0;
+ }
+-/*
+- * Needs to be done after acpi_init which are subsys_initcall.
+- */
+-subsys_initcall_sync(xen_mcfg_late);
+ #endif
+diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c
+index 53877e078a7b..6f59bd875a22 100644
+--- a/drivers/xen/xenbus/xenbus_dev_frontend.c
++++ b/drivers/xen/xenbus/xenbus_dev_frontend.c
+@@ -55,6 +55,7 @@
+ #include <linux/string.h>
+ #include <linux/slab.h>
+ #include <linux/miscdevice.h>
++#include <linux/workqueue.h>
+ 
+ #include <xen/xenbus.h>
+ #include <xen/xen.h>
+@@ -113,6 +114,8 @@ struct xenbus_file_priv {
+ 	wait_queue_head_t read_waitq;
+ 
+ 	struct kref kref;
++
++	struct work_struct wq;
+ };
+ 
+ /* Read out any raw xenbus messages queued up. */
+@@ -297,14 +300,14 @@ static void watch_fired(struct xenbus_watch *watch,
+ 	mutex_unlock(&adap->dev_data->reply_mutex);
+ }
+ 
+-static void xenbus_file_free(struct kref *kref)
++static void xenbus_worker(struct work_struct *wq)
+ {
+ 	struct xenbus_file_priv *u;
+ 	struct xenbus_transaction_holder *trans, *tmp;
+ 	struct watch_adapter *watch, *tmp_watch;
+ 	struct read_buffer *rb, *tmp_rb;
+ 
+-	u = container_of(kref, struct xenbus_file_priv, kref);
++	u = container_of(wq, struct xenbus_file_priv, wq);
+ 
+ 	/*
+ 	 * No need for locking here because there are no other users,
+@@ -330,6 +333,18 @@ static void xenbus_file_free(struct kref *kref)
+ 	kfree(u);
+ }
+ 
++static void xenbus_file_free(struct kref *kref)
++{
++	struct xenbus_file_priv *u;
++
++	/*
++	 * We might be called in xenbus_thread().
++	 * Use workqueue to avoid deadlock.
++	 */
++	u = container_of(kref, struct xenbus_file_priv, kref);
++	schedule_work(&u->wq);
++}
++
+ static struct xenbus_transaction_holder *xenbus_get_transaction(
+ 	struct xenbus_file_priv *u, uint32_t tx_id)
+ {
+@@ -626,6 +641,7 @@ static int xenbus_file_open(struct inode *inode, struct file *filp)
+ 	INIT_LIST_HEAD(&u->watches);
+ 	INIT_LIST_HEAD(&u->read_buffers);
+ 	init_waitqueue_head(&u->read_waitq);
++	INIT_WORK(&u->wq, xenbus_worker);
+ 
+ 	mutex_init(&u->reply_mutex);
+ 	mutex_init(&u->msgbuffer_mutex);
+diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
+index 89e69904976a..2651192f0166 100644
+--- a/fs/9p/vfs_file.c
++++ b/fs/9p/vfs_file.c
+@@ -528,6 +528,7 @@ v9fs_mmap_file_mmap(struct file *filp, struct vm_area_struct *vma)
+ 	v9inode = V9FS_I(inode);
+ 	mutex_lock(&v9inode->v_mutex);
+ 	if (!v9inode->writeback_fid &&
++	    (vma->vm_flags & VM_SHARED) &&
+ 	    (vma->vm_flags & VM_WRITE)) {
+ 		/*
+ 		 * clone a fid and add it to writeback_fid
+@@ -629,6 +630,8 @@ static void v9fs_mmap_vm_close(struct vm_area_struct *vma)
+ 			(vma->vm_end - vma->vm_start - 1),
+ 	};
+ 
++	if (!(vma->vm_flags & VM_SHARED))
++		return;
+ 
+ 	p9_debug(P9_DEBUG_VFS, "9p VMA close, %p, flushing", vma);
+ 
+diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
+index 9bda8c7a80a0..879bc0825093 100644
+--- a/fs/ceph/inode.c
++++ b/fs/ceph/inode.c
+@@ -789,7 +789,12 @@ static int fill_inode(struct inode *inode, struct page *locked_page,
+ 	ci->i_version = le64_to_cpu(info->version);
+ 	inode->i_version++;
+ 	inode->i_rdev = le32_to_cpu(info->rdev);
+-	inode->i_blkbits = fls(le32_to_cpu(info->layout.fl_stripe_unit)) - 1;
++	/* directories have fl_stripe_unit set to zero */
++	if (le32_to_cpu(info->layout.fl_stripe_unit))
++		inode->i_blkbits =
++			fls(le32_to_cpu(info->layout.fl_stripe_unit)) - 1;
++	else
++		inode->i_blkbits = CEPH_BLOCK_SHIFT;
+ 
+ 	if ((new_version || (new_issued & CEPH_CAP_AUTH_SHARED)) &&
+ 	    (issued & CEPH_CAP_AUTH_EXCL) == 0) {
+diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
+index e1ded4bd6115..b968334f841e 100644
+--- a/fs/ceph/mds_client.c
++++ b/fs/ceph/mds_client.c
+@@ -3543,7 +3543,9 @@ static void delayed_work(struct work_struct *work)
+ 				pr_info("mds%d hung\n", s->s_mds);
+ 			}
+ 		}
+-		if (s->s_state < CEPH_MDS_SESSION_OPEN) {
++		if (s->s_state == CEPH_MDS_SESSION_NEW ||
++		    s->s_state == CEPH_MDS_SESSION_RESTARTING ||
++		    s->s_state == CEPH_MDS_SESSION_REJECTED) {
+ 			/* this mds is failed or recovering, just wait */
+ 			ceph_put_mds_session(s);
+ 			continue;
+diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c
+index e9e97803442a..55db06c7c587 100644
+--- a/fs/fuse/cuse.c
++++ b/fs/fuse/cuse.c
+@@ -513,6 +513,7 @@ static int cuse_channel_open(struct inode *inode, struct file *file)
+ 	rc = cuse_send_init(cc);
+ 	if (rc) {
+ 		fuse_dev_free(fud);
++		fuse_conn_put(&cc->fc);
+ 		return rc;
+ 	}
+ 	file->private_data = fud;
+diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
+index 549c916d2859..525684b0056f 100644
+--- a/fs/nfs/nfs4xdr.c
++++ b/fs/nfs/nfs4xdr.c
+@@ -1132,7 +1132,7 @@ static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap,
+ 		} else
+ 			*p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME);
+ 	}
+-	if (bmval[2] & FATTR4_WORD2_SECURITY_LABEL) {
++	if (label && (bmval[2] & FATTR4_WORD2_SECURITY_LABEL)) {
+ 		*p++ = cpu_to_be32(label->lfs);
+ 		*p++ = cpu_to_be32(label->pi);
+ 		*p++ = cpu_to_be32(label->len);
+diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
+index 96867fb159bf..ec04cce31814 100644
+--- a/fs/nfs/pnfs.c
++++ b/fs/nfs/pnfs.c
+@@ -1319,10 +1319,15 @@ void pnfs_roc_release(struct nfs4_layoutreturn_args *args,
+ 	const nfs4_stateid *res_stateid = NULL;
+ 	struct nfs4_xdr_opaque_data *ld_private = args->ld_private;
+ 
+-	if (ret == 0) {
+-		arg_stateid = &args->stateid;
++	switch (ret) {
++	case -NFS4ERR_NOMATCHING_LAYOUT:
++		break;
++	case 0:
+ 		if (res->lrs_present)
+ 			res_stateid = &res->stateid;
++		/* Fallthrough */
++	default:
++		arg_stateid = &args->stateid;
+ 	}
+ 	pnfs_layoutreturn_free_lsegs(lo, arg_stateid, &args->range,
+ 			res_stateid);
+diff --git a/fs/statfs.c b/fs/statfs.c
+index c25dd9a26cc1..ca1084cbe03c 100644
+--- a/fs/statfs.c
++++ b/fs/statfs.c
+@@ -304,19 +304,10 @@ COMPAT_SYSCALL_DEFINE2(fstatfs, unsigned int, fd, struct compat_statfs __user *,
+ static int put_compat_statfs64(struct compat_statfs64 __user *ubuf, struct kstatfs *kbuf)
+ {
+ 	struct compat_statfs64 buf;
+-	if (sizeof(ubuf->f_bsize) == 4) {
+-		if ((kbuf->f_type | kbuf->f_bsize | kbuf->f_namelen |
+-		     kbuf->f_frsize | kbuf->f_flags) & 0xffffffff00000000ULL)
+-			return -EOVERFLOW;
+-		/* f_files and f_ffree may be -1; it's okay
+-		 * to stuff that into 32 bits */
+-		if (kbuf->f_files != 0xffffffffffffffffULL
+-		 && (kbuf->f_files & 0xffffffff00000000ULL))
+-			return -EOVERFLOW;
+-		if (kbuf->f_ffree != 0xffffffffffffffffULL
+-		 && (kbuf->f_ffree & 0xffffffff00000000ULL))
+-			return -EOVERFLOW;
+-	}
++
++	if ((kbuf->f_bsize | kbuf->f_frsize) & 0xffffffff00000000ULL)
++		return -EOVERFLOW;
++
+ 	memset(&buf, 0, sizeof(struct compat_statfs64));
+ 	buf.f_type = kbuf->f_type;
+ 	buf.f_bsize = kbuf->f_bsize;
+diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
+index 55a604ad459f..2e179778576c 100644
+--- a/include/linux/ieee80211.h
++++ b/include/linux/ieee80211.h
+@@ -2743,4 +2743,57 @@ static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
+ 	return true;
+ }
+ 
++struct element {
++	u8 id;
++	u8 datalen;
++	u8 data[];
++} __packed;
++
++/* element iteration helpers */
++#define for_each_element(_elem, _data, _datalen)			\
++	for (_elem = (const struct element *)(_data);			\
++	     (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=	\
++		(int)sizeof(*_elem) &&					\
++	     (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=	\
++		(int)sizeof(*_elem) + _elem->datalen;			\
++	     _elem = (const struct element *)(_elem->data + _elem->datalen))
++
++#define for_each_element_id(element, _id, data, datalen)		\
++	for_each_element(element, data, datalen)			\
++		if (element->id == (_id))
++
++#define for_each_element_extid(element, extid, data, datalen)		\
++	for_each_element(element, data, datalen)			\
++		if (element->id == WLAN_EID_EXTENSION &&		\
++		    element->datalen > 0 &&				\
++		    element->data[0] == (extid))
++
++#define for_each_subelement(sub, element)				\
++	for_each_element(sub, (element)->data, (element)->datalen)
++
++#define for_each_subelement_id(sub, id, element)			\
++	for_each_element_id(sub, id, (element)->data, (element)->datalen)
++
++#define for_each_subelement_extid(sub, extid, element)			\
++	for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
++
++/**
++ * for_each_element_completed - determine if element parsing consumed all data
++ * @element: element pointer after for_each_element() or friends
++ * @data: same data pointer as passed to for_each_element() or friends
++ * @datalen: same data length as passed to for_each_element() or friends
++ *
++ * This function returns %true if all the data was parsed or considered
++ * while walking the elements. Only use this if your for_each_element()
++ * loop cannot be broken out of, otherwise it always returns %false.
++ *
++ * If some data was malformed, this returns %false since the last parsed
++ * element will not fill the whole remaining data.
++ */
++static inline bool for_each_element_completed(const struct element *element,
++					      const void *data, size_t datalen)
++{
++	return (const u8 *)element == (const u8 *)data + datalen;
++}
++
+ #endif /* LINUX_IEEE80211_H */
+diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
+index 344b96c206a3..14a35befad6c 100644
+--- a/include/sound/soc-dapm.h
++++ b/include/sound/soc-dapm.h
+@@ -349,6 +349,8 @@ struct device;
+ #define SND_SOC_DAPM_WILL_PMD   0x80    /* called at start of sequence */
+ #define SND_SOC_DAPM_PRE_POST_PMD \
+ 				(SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD)
++#define SND_SOC_DAPM_PRE_POST_PMU \
++				(SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU)
+ 
+ /* convenience event type detection */
+ #define SND_SOC_DAPM_EVENT_ON(e)	\
+diff --git a/kernel/elfcore.c b/kernel/elfcore.c
+index fc482c8e0bd8..57fb4dcff434 100644
+--- a/kernel/elfcore.c
++++ b/kernel/elfcore.c
+@@ -3,6 +3,7 @@
+ #include <linux/fs.h>
+ #include <linux/mm.h>
+ #include <linux/binfmts.h>
++#include <linux/elfcore.h>
+ 
+ Elf_Half __weak elf_core_extra_phdrs(void)
+ {
+diff --git a/kernel/locking/qspinlock_paravirt.h b/kernel/locking/qspinlock_paravirt.h
+index 1e882dfc8b79..3a6aeae98a4a 100644
+--- a/kernel/locking/qspinlock_paravirt.h
++++ b/kernel/locking/qspinlock_paravirt.h
+@@ -247,7 +247,7 @@ pv_wait_early(struct pv_node *prev, int loop)
+ 	if ((loop & PV_PREV_CHECK_MASK) != 0)
+ 		return false;
+ 
+-	return READ_ONCE(prev->state) != vcpu_running || vcpu_is_preempted(prev->cpu);
++	return READ_ONCE(prev->state) != vcpu_running;
+ }
+ 
+ /*
+diff --git a/kernel/sched/core.c b/kernel/sched/core.c
+index 3d24d401b9d4..32ba789c544c 100644
+--- a/kernel/sched/core.c
++++ b/kernel/sched/core.c
+@@ -1111,7 +1111,8 @@ static int __set_cpus_allowed_ptr(struct task_struct *p,
+ 	if (cpumask_equal(&p->cpus_allowed, new_mask))
+ 		goto out;
+ 
+-	if (!cpumask_intersects(new_mask, cpu_valid_mask)) {
++	dest_cpu = cpumask_any_and(cpu_valid_mask, new_mask);
++	if (dest_cpu >= nr_cpu_ids) {
+ 		ret = -EINVAL;
+ 		goto out;
+ 	}
+@@ -1132,7 +1133,6 @@ static int __set_cpus_allowed_ptr(struct task_struct *p,
+ 	if (cpumask_test_cpu(task_cpu(p), new_mask))
+ 		goto out;
+ 
+-	dest_cpu = cpumask_any_and(cpu_valid_mask, new_mask);
+ 	if (task_running(rq, p) || p->state == TASK_WAKING) {
+ 		struct migration_arg arg = { p, dest_cpu };
+ 		/* Need help from migration thread: drop lock and wait. */
+diff --git a/kernel/time/tick-broadcast-hrtimer.c b/kernel/time/tick-broadcast-hrtimer.c
+index 58045eb976c3..c750c80570e8 100644
+--- a/kernel/time/tick-broadcast-hrtimer.c
++++ b/kernel/time/tick-broadcast-hrtimer.c
+@@ -44,34 +44,39 @@ static int bc_shutdown(struct clock_event_device *evt)
+  */
+ static int bc_set_next(ktime_t expires, struct clock_event_device *bc)
+ {
+-	int bc_moved;
+ 	/*
+-	 * We try to cancel the timer first. If the callback is on
+-	 * flight on some other cpu then we let it handle it. If we
+-	 * were able to cancel the timer nothing can rearm it as we
+-	 * own broadcast_lock.
++	 * This is called either from enter/exit idle code or from the
++	 * broadcast handler. In all cases tick_broadcast_lock is held.
+ 	 *
+-	 * However we can also be called from the event handler of
+-	 * ce_broadcast_hrtimer itself when it expires. We cannot
+-	 * restart the timer because we are in the callback, but we
+-	 * can set the expiry time and let the callback return
+-	 * HRTIMER_RESTART.
++	 * hrtimer_cancel() cannot be called here neither from the
++	 * broadcast handler nor from the enter/exit idle code. The idle
++	 * code can run into the problem described in bc_shutdown() and the
++	 * broadcast handler cannot wait for itself to complete for obvious
++	 * reasons.
+ 	 *
+-	 * Since we are in the idle loop at this point and because
+-	 * hrtimer_{start/cancel} functions call into tracing,
+-	 * calls to these functions must be bound within RCU_NONIDLE.
++	 * Each caller tries to arm the hrtimer on its own CPU, but if the
++	 * hrtimer callbback function is currently running, then
++	 * hrtimer_start() cannot move it and the timer stays on the CPU on
++	 * which it is assigned at the moment.
++	 *
++	 * As this can be called from idle code, the hrtimer_start()
++	 * invocation has to be wrapped with RCU_NONIDLE() as
++	 * hrtimer_start() can call into tracing.
+ 	 */
+-	RCU_NONIDLE({
+-			bc_moved = hrtimer_try_to_cancel(&bctimer) >= 0;
+-			if (bc_moved)
+-				hrtimer_start(&bctimer, expires,
+-					      HRTIMER_MODE_ABS_PINNED);});
+-	if (bc_moved) {
+-		/* Bind the "device" to the cpu */
+-		bc->bound_on = smp_processor_id();
+-	} else if (bc->bound_on == smp_processor_id()) {
+-		hrtimer_set_expires(&bctimer, expires);
+-	}
++	RCU_NONIDLE( {
++		hrtimer_start(&bctimer, expires, HRTIMER_MODE_ABS_PINNED);
++		/*
++		 * The core tick broadcast mode expects bc->bound_on to be set
++		 * correctly to prevent a CPU which has the broadcast hrtimer
++		 * armed from going deep idle.
++		 *
++		 * As tick_broadcast_lock is held, nothing can change the cpu
++		 * base which was just established in hrtimer_start() above. So
++		 * the below access is safe even without holding the hrtimer
++		 * base lock.
++		 */
++		bc->bound_on = bctimer.base->cpu_base->cpu;
++	} );
+ 	return 0;
+ }
+ 
+@@ -97,10 +102,6 @@ static enum hrtimer_restart bc_handler(struct hrtimer *t)
+ {
+ 	ce_broadcast_hrtimer.event_handler(&ce_broadcast_hrtimer);
+ 
+-	if (clockevent_state_oneshot(&ce_broadcast_hrtimer))
+-		if (ce_broadcast_hrtimer.next_event != KTIME_MAX)
+-			return HRTIMER_RESTART;
+-
+ 	return HRTIMER_NORESTART;
+ }
+ 
+diff --git a/kernel/time/timer.c b/kernel/time/timer.c
+index f17c76a1a05f..9f8e8892e5b0 100644
+--- a/kernel/time/timer.c
++++ b/kernel/time/timer.c
+@@ -1545,21 +1545,23 @@ void timer_clear_idle(void)
+ static int collect_expired_timers(struct timer_base *base,
+ 				  struct hlist_head *heads)
+ {
++	unsigned long now = READ_ONCE(jiffies);
++
+ 	/*
+ 	 * NOHZ optimization. After a long idle sleep we need to forward the
+ 	 * base to current jiffies. Avoid a loop by searching the bitfield for
+ 	 * the next expiring timer.
+ 	 */
+-	if ((long)(jiffies - base->clk) > 2) {
++	if ((long)(now - base->clk) > 2) {
+ 		unsigned long next = __next_timer_interrupt(base);
+ 
+ 		/*
+ 		 * If the next timer is ahead of time forward to current
+ 		 * jiffies, otherwise forward to the next expiry time:
+ 		 */
+-		if (time_after(next, jiffies)) {
++		if (time_after(next, now)) {
+ 			/* The call site will increment clock! */
+-			base->clk = jiffies - 1;
++			base->clk = now - 1;
+ 			return 0;
+ 		}
+ 		base->clk = next;
+diff --git a/mm/usercopy.c b/mm/usercopy.c
+index 975f7dff8059..f8d74e09f8e4 100644
+--- a/mm/usercopy.c
++++ b/mm/usercopy.c
+@@ -15,6 +15,7 @@
+ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+ 
+ #include <linux/mm.h>
++#include <linux/highmem.h>
+ #include <linux/slab.h>
+ #include <linux/sched.h>
+ #include <linux/sched/task.h>
+@@ -203,7 +204,12 @@ static inline const char *check_heap_object(const void *ptr, unsigned long n,
+ 	if (!virt_addr_valid(ptr))
+ 		return NULL;
+ 
+-	page = virt_to_head_page(ptr);
++	/*
++	 * When CONFIG_HIGHMEM=y, kmap_to_page() will give either the
++	 * highmem page or fallback to virt_to_page(). The following
++	 * is effectively a highmem-aware virt_to_head_page().
++	 */
++	page = compound_head(kmap_to_page((void *)ptr));
+ 
+ 	/* Check slab allocator for flags and size. */
+ 	if (PageSlab(page))
+diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
+index b149a7219084..7ef126489d4e 100644
+--- a/net/netfilter/nf_tables_api.c
++++ b/net/netfilter/nf_tables_api.c
+@@ -3131,8 +3131,11 @@ static int nf_tables_newset(struct net *net, struct sock *nlsk,
+ 			      NFT_SET_OBJECT))
+ 			return -EINVAL;
+ 		/* Only one of these operations is supported */
+-		if ((flags & (NFT_SET_MAP | NFT_SET_EVAL | NFT_SET_OBJECT)) ==
+-			     (NFT_SET_MAP | NFT_SET_EVAL | NFT_SET_OBJECT))
++		if ((flags & (NFT_SET_MAP | NFT_SET_OBJECT)) ==
++			     (NFT_SET_MAP | NFT_SET_OBJECT))
++			return -EOPNOTSUPP;
++		if ((flags & (NFT_SET_EVAL | NFT_SET_OBJECT)) ==
++			     (NFT_SET_EVAL | NFT_SET_OBJECT))
+ 			return -EOPNOTSUPP;
+ 	}
+ 
+diff --git a/net/netfilter/nft_lookup.c b/net/netfilter/nft_lookup.c
+index 475570e89ede..44015a151ad6 100644
+--- a/net/netfilter/nft_lookup.c
++++ b/net/netfilter/nft_lookup.c
+@@ -76,9 +76,6 @@ static int nft_lookup_init(const struct nft_ctx *ctx,
+ 	if (IS_ERR(set))
+ 		return PTR_ERR(set);
+ 
+-	if (set->flags & NFT_SET_EVAL)
+-		return -EOPNOTSUPP;
+-
+ 	priv->sreg = nft_parse_register(tb[NFTA_LOOKUP_SREG]);
+ 	err = nft_validate_register_load(priv->sreg, set->klen);
+ 	if (err < 0)
+diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
+index f19d5a55f09e..ec504c4a397b 100644
+--- a/net/wireless/nl80211.c
++++ b/net/wireless/nl80211.c
+@@ -199,6 +199,38 @@ cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
+ 	return __cfg80211_rdev_from_attrs(netns, info->attrs);
+ }
+ 
++static int validate_beacon_head(const struct nlattr *attr,
++				struct netlink_ext_ack *extack)
++{
++	const u8 *data = nla_data(attr);
++	unsigned int len = nla_len(attr);
++	const struct element *elem;
++	const struct ieee80211_mgmt *mgmt = (void *)data;
++	unsigned int fixedlen = offsetof(struct ieee80211_mgmt,
++					 u.beacon.variable);
++
++	if (len < fixedlen)
++		goto err;
++
++	if (ieee80211_hdrlen(mgmt->frame_control) !=
++	    offsetof(struct ieee80211_mgmt, u.beacon))
++		goto err;
++
++	data += fixedlen;
++	len -= fixedlen;
++
++	for_each_element(elem, data, len) {
++		/* nothing */
++	}
++
++	if (for_each_element_completed(elem, data, len))
++		return 0;
++
++err:
++	NL_SET_ERR_MSG_ATTR(extack, attr, "malformed beacon head");
++	return -EINVAL;
++}
++
+ /* policy for the attributes */
+ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
+ 	[NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
+@@ -2111,6 +2143,8 @@ static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
+ 
+ 	control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
+ 
++	memset(chandef, 0, sizeof(*chandef));
++
+ 	chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
+ 	chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
+ 	chandef->center_freq1 = control_freq;
+@@ -2580,7 +2614,7 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag
+ 
+ 	if (rdev->ops->get_channel) {
+ 		int ret;
+-		struct cfg80211_chan_def chandef;
++		struct cfg80211_chan_def chandef = {};
+ 
+ 		ret = rdev_get_channel(rdev, wdev, &chandef);
+ 		if (ret == 0) {
+@@ -3736,6 +3770,12 @@ static int nl80211_parse_beacon(struct nlattr *attrs[],
+ 	memset(bcn, 0, sizeof(*bcn));
+ 
+ 	if (attrs[NL80211_ATTR_BEACON_HEAD]) {
++		int ret = validate_beacon_head(attrs[NL80211_ATTR_BEACON_HEAD],
++					       NULL);
++
++		if (ret)
++			return ret;
++
+ 		bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]);
+ 		bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]);
+ 		if (!bcn->head_len)
+diff --git a/net/wireless/reg.c b/net/wireless/reg.c
+index 376f08798169..b940d5c2003b 100644
+--- a/net/wireless/reg.c
++++ b/net/wireless/reg.c
+@@ -1567,7 +1567,7 @@ static void reg_call_notifier(struct wiphy *wiphy,
+ 
+ static bool reg_wdev_chan_valid(struct wiphy *wiphy, struct wireless_dev *wdev)
+ {
+-	struct cfg80211_chan_def chandef;
++	struct cfg80211_chan_def chandef = {};
+ 	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
+ 	enum nl80211_iftype iftype;
+ 
+diff --git a/net/wireless/scan.c b/net/wireless/scan.c
+index 5ed0ed0559dc..ea47ef156e7d 100644
+--- a/net/wireless/scan.c
++++ b/net/wireless/scan.c
+@@ -484,6 +484,8 @@ const u8 *cfg80211_find_ie_match(u8 eid, const u8 *ies, int len,
+ 				 const u8 *match, int match_len,
+ 				 int match_offset)
+ {
++	const struct element *elem;
++
+ 	/* match_offset can't be smaller than 2, unless match_len is
+ 	 * zero, in which case match_offset must be zero as well.
+ 	 */
+@@ -491,14 +493,10 @@ const u8 *cfg80211_find_ie_match(u8 eid, const u8 *ies, int len,
+ 		    (!match_len && match_offset)))
+ 		return NULL;
+ 
+-	while (len >= 2 && len >= ies[1] + 2) {
+-		if ((ies[0] == eid) &&
+-		    (ies[1] + 2 >= match_offset + match_len) &&
+-		    !memcmp(ies + match_offset, match, match_len))
+-			return ies;
+-
+-		len -= ies[1] + 2;
+-		ies += ies[1] + 2;
++	for_each_element_id(elem, eid, ies, len) {
++		if (elem->datalen >= match_offset - 2 + match_len &&
++		    !memcmp(elem->data + match_offset - 2, match, match_len))
++			return (void *)elem;
+ 	}
+ 
+ 	return NULL;
+diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
+index 7ca04a7de85a..bf3bae4ac5f4 100644
+--- a/net/wireless/wext-compat.c
++++ b/net/wireless/wext-compat.c
+@@ -800,7 +800,7 @@ static int cfg80211_wext_giwfreq(struct net_device *dev,
+ {
+ 	struct wireless_dev *wdev = dev->ieee80211_ptr;
+ 	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
+-	struct cfg80211_chan_def chandef;
++	struct cfg80211_chan_def chandef = {};
+ 	int ret;
+ 
+ 	switch (wdev->iftype) {
+diff --git a/security/integrity/ima/ima_crypto.c b/security/integrity/ima/ima_crypto.c
+index af680b5b678a..06b0ee75f34f 100644
+--- a/security/integrity/ima/ima_crypto.c
++++ b/security/integrity/ima/ima_crypto.c
+@@ -293,8 +293,11 @@ static int ima_calc_file_hash_atfm(struct file *file,
+ 		rbuf_len = min_t(loff_t, i_size - offset, rbuf_size[active]);
+ 		rc = integrity_kernel_read(file, offset, rbuf[active],
+ 					   rbuf_len);
+-		if (rc != rbuf_len)
++		if (rc != rbuf_len) {
++			if (rc >= 0)
++				rc = -EINVAL;
+ 			goto out3;
++		}
+ 
+ 		if (rbuf[1] && offset) {
+ 			/* Using two buffers, and it is not the first
+diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
+index b649675d190d..10764c1e854e 100644
+--- a/sound/soc/codecs/sgtl5000.c
++++ b/sound/soc/codecs/sgtl5000.c
+@@ -35,6 +35,13 @@
+ #define SGTL5000_DAP_REG_OFFSET	0x0100
+ #define SGTL5000_MAX_REG_OFFSET	0x013A
+ 
++/* Delay for the VAG ramp up */
++#define SGTL5000_VAG_POWERUP_DELAY 500 /* ms */
++/* Delay for the VAG ramp down */
++#define SGTL5000_VAG_POWERDOWN_DELAY 500 /* ms */
++
++#define SGTL5000_OUTPUTS_MUTE (SGTL5000_HP_MUTE | SGTL5000_LINE_OUT_MUTE)
++
+ /* default value of sgtl5000 registers */
+ static const struct reg_default sgtl5000_reg_defaults[] = {
+ 	{ SGTL5000_CHIP_DIG_POWER,		0x0000 },
+@@ -120,6 +127,13 @@ enum  {
+ 	I2S_LRCLK_STRENGTH_HIGH,
+ };
+ 
++enum {
++	HP_POWER_EVENT,
++	DAC_POWER_EVENT,
++	ADC_POWER_EVENT,
++	LAST_POWER_EVENT = ADC_POWER_EVENT
++};
++
+ /* sgtl5000 private structure in codec */
+ struct sgtl5000_priv {
+ 	int sysclk;	/* sysclk rate */
+@@ -133,8 +147,117 @@ struct sgtl5000_priv {
+ 	u8 micbias_resistor;
+ 	u8 micbias_voltage;
+ 	u8 lrclk_strength;
++	u16 mute_state[LAST_POWER_EVENT + 1];
+ };
+ 
++static inline int hp_sel_input(struct snd_soc_component *component)
++{
++	unsigned int ana_reg = 0;
++
++	snd_soc_component_read(component, SGTL5000_CHIP_ANA_CTRL, &ana_reg);
++
++	return (ana_reg & SGTL5000_HP_SEL_MASK) >> SGTL5000_HP_SEL_SHIFT;
++}
++
++static inline u16 mute_output(struct snd_soc_component *component,
++			      u16 mute_mask)
++{
++	unsigned int mute_reg = 0;
++
++	snd_soc_component_read(component, SGTL5000_CHIP_ANA_CTRL, &mute_reg);
++
++	snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_CTRL,
++			    mute_mask, mute_mask);
++	return mute_reg;
++}
++
++static inline void restore_output(struct snd_soc_component *component,
++				  u16 mute_mask, u16 mute_reg)
++{
++	snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_CTRL,
++		mute_mask, mute_reg);
++}
++
++static void vag_power_on(struct snd_soc_component *component, u32 source)
++{
++	unsigned int ana_reg = 0;
++
++	snd_soc_component_read(component, SGTL5000_CHIP_ANA_POWER, &ana_reg);
++
++	if (ana_reg & SGTL5000_VAG_POWERUP)
++		return;
++
++	snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_POWER,
++			    SGTL5000_VAG_POWERUP, SGTL5000_VAG_POWERUP);
++
++	/* When VAG powering on to get local loop from Line-In, the sleep
++	 * is required to avoid loud pop.
++	 */
++	if (hp_sel_input(component) == SGTL5000_HP_SEL_LINE_IN &&
++	    source == HP_POWER_EVENT)
++		msleep(SGTL5000_VAG_POWERUP_DELAY);
++}
++
++static int vag_power_consumers(struct snd_soc_component *component,
++			       u16 ana_pwr_reg, u32 source)
++{
++	int consumers = 0;
++
++	/* count dac/adc consumers unconditional */
++	if (ana_pwr_reg & SGTL5000_DAC_POWERUP)
++		consumers++;
++	if (ana_pwr_reg & SGTL5000_ADC_POWERUP)
++		consumers++;
++
++	/*
++	 * If the event comes from HP and Line-In is selected,
++	 * current action is 'DAC to be powered down'.
++	 * As HP_POWERUP is not set when HP muxed to line-in,
++	 * we need to keep VAG power ON.
++	 */
++	if (source == HP_POWER_EVENT) {
++		if (hp_sel_input(component) == SGTL5000_HP_SEL_LINE_IN)
++			consumers++;
++	} else {
++		if (ana_pwr_reg & SGTL5000_HP_POWERUP)
++			consumers++;
++	}
++
++	return consumers;
++}
++
++static void vag_power_off(struct snd_soc_component *component, u32 source)
++{
++	unsigned int ana_pwr = SGTL5000_VAG_POWERUP;
++
++	snd_soc_component_read(component, SGTL5000_CHIP_ANA_POWER, &ana_pwr);
++
++	if (!(ana_pwr & SGTL5000_VAG_POWERUP))
++		return;
++
++	/*
++	 * This function calls when any of VAG power consumers is disappearing.
++	 * Thus, if there is more than one consumer at the moment, as minimum
++	 * one consumer will definitely stay after the end of the current
++	 * event.
++	 * Don't clear VAG_POWERUP if 2 or more consumers of VAG present:
++	 * - LINE_IN (for HP events) / HP (for DAC/ADC events)
++	 * - DAC
++	 * - ADC
++	 * (the current consumer is disappearing right now)
++	 */
++	if (vag_power_consumers(component, ana_pwr, source) >= 2)
++		return;
++
++	snd_soc_component_update_bits(component, SGTL5000_CHIP_ANA_POWER,
++		SGTL5000_VAG_POWERUP, 0);
++	/* In power down case, we need wait 400-1000 ms
++	 * when VAG fully ramped down.
++	 * As longer we wait, as smaller pop we've got.
++	 */
++	msleep(SGTL5000_VAG_POWERDOWN_DELAY);
++}
++
+ /*
+  * mic_bias power on/off share the same register bits with
+  * output impedance of mic bias, when power on mic bias, we
+@@ -166,36 +289,46 @@ static int mic_bias_event(struct snd_soc_dapm_widget *w,
+ 	return 0;
+ }
+ 
+-/*
+- * As manual described, ADC/DAC only works when VAG powerup,
+- * So enabled VAG before ADC/DAC up.
+- * In power down case, we need wait 400ms when vag fully ramped down.
+- */
+-static int power_vag_event(struct snd_soc_dapm_widget *w,
+-	struct snd_kcontrol *kcontrol, int event)
++static int vag_and_mute_control(struct snd_soc_component *component,
++				 int event, int event_source)
+ {
+-	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+-	const u32 mask = SGTL5000_DAC_POWERUP | SGTL5000_ADC_POWERUP;
++	static const u16 mute_mask[] = {
++		/*
++		 * Mask for HP_POWER_EVENT.
++		 * Muxing Headphones have to be wrapped with mute/unmute
++		 * headphones only.
++		 */
++		SGTL5000_HP_MUTE,
++		/*
++		 * Masks for DAC_POWER_EVENT/ADC_POWER_EVENT.
++		 * Muxing DAC or ADC block have to be wrapped with mute/unmute
++		 * both headphones and line-out.
++		 */
++		SGTL5000_OUTPUTS_MUTE,
++		SGTL5000_OUTPUTS_MUTE
++	};
++
++	struct sgtl5000_priv *sgtl5000 =
++		snd_soc_component_get_drvdata(component);
+ 
+ 	switch (event) {
++	case SND_SOC_DAPM_PRE_PMU:
++		sgtl5000->mute_state[event_source] =
++			mute_output(component, mute_mask[event_source]);
++		break;
+ 	case SND_SOC_DAPM_POST_PMU:
+-		snd_soc_update_bits(codec, SGTL5000_CHIP_ANA_POWER,
+-			SGTL5000_VAG_POWERUP, SGTL5000_VAG_POWERUP);
+-		msleep(400);
++		vag_power_on(component, event_source);
++		restore_output(component, mute_mask[event_source],
++			       sgtl5000->mute_state[event_source]);
+ 		break;
+-
+ 	case SND_SOC_DAPM_PRE_PMD:
+-		/*
+-		 * Don't clear VAG_POWERUP, when both DAC and ADC are
+-		 * operational to prevent inadvertently starving the
+-		 * other one of them.
+-		 */
+-		if ((snd_soc_read(codec, SGTL5000_CHIP_ANA_POWER) &
+-				mask) != mask) {
+-			snd_soc_update_bits(codec, SGTL5000_CHIP_ANA_POWER,
+-				SGTL5000_VAG_POWERUP, 0);
+-			msleep(400);
+-		}
++		sgtl5000->mute_state[event_source] =
++			mute_output(component, mute_mask[event_source]);
++		vag_power_off(component, event_source);
++		break;
++	case SND_SOC_DAPM_POST_PMD:
++		restore_output(component, mute_mask[event_source],
++			       sgtl5000->mute_state[event_source]);
+ 		break;
+ 	default:
+ 		break;
+@@ -204,6 +337,41 @@ static int power_vag_event(struct snd_soc_dapm_widget *w,
+ 	return 0;
+ }
+ 
++/*
++ * Mute Headphone when power it up/down.
++ * Control VAG power on HP power path.
++ */
++static int headphone_pga_event(struct snd_soc_dapm_widget *w,
++	struct snd_kcontrol *kcontrol, int event)
++{
++	struct snd_soc_component *component =
++		snd_soc_dapm_to_component(w->dapm);
++
++	return vag_and_mute_control(component, event, HP_POWER_EVENT);
++}
++
++/* As manual describes, ADC/DAC powering up/down requires
++ * to mute outputs to avoid pops.
++ * Control VAG power on ADC/DAC power path.
++ */
++static int adc_updown_depop(struct snd_soc_dapm_widget *w,
++	struct snd_kcontrol *kcontrol, int event)
++{
++	struct snd_soc_component *component =
++		snd_soc_dapm_to_component(w->dapm);
++
++	return vag_and_mute_control(component, event, ADC_POWER_EVENT);
++}
++
++static int dac_updown_depop(struct snd_soc_dapm_widget *w,
++	struct snd_kcontrol *kcontrol, int event)
++{
++	struct snd_soc_component *component =
++		snd_soc_dapm_to_component(w->dapm);
++
++	return vag_and_mute_control(component, event, DAC_POWER_EVENT);
++}
++
+ /* input sources for ADC */
+ static const char *adc_mux_text[] = {
+ 	"MIC_IN", "LINE_IN"
+@@ -239,7 +407,10 @@ static const struct snd_soc_dapm_widget sgtl5000_dapm_widgets[] = {
+ 			    mic_bias_event,
+ 			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+ 
+-	SND_SOC_DAPM_PGA("HP", SGTL5000_CHIP_ANA_POWER, 4, 0, NULL, 0),
++	SND_SOC_DAPM_PGA_E("HP", SGTL5000_CHIP_ANA_POWER, 4, 0, NULL, 0,
++			   headphone_pga_event,
++			   SND_SOC_DAPM_PRE_POST_PMU |
++			   SND_SOC_DAPM_PRE_POST_PMD),
+ 	SND_SOC_DAPM_PGA("LO", SGTL5000_CHIP_ANA_POWER, 0, 0, NULL, 0),
+ 
+ 	SND_SOC_DAPM_MUX("Capture Mux", SND_SOC_NOPM, 0, 0, &adc_mux),
+@@ -255,11 +426,12 @@ static const struct snd_soc_dapm_widget sgtl5000_dapm_widgets[] = {
+ 				0, SGTL5000_CHIP_DIG_POWER,
+ 				1, 0),
+ 
+-	SND_SOC_DAPM_ADC("ADC", "Capture", SGTL5000_CHIP_ANA_POWER, 1, 0),
+-	SND_SOC_DAPM_DAC("DAC", "Playback", SGTL5000_CHIP_ANA_POWER, 3, 0),
+-
+-	SND_SOC_DAPM_PRE("VAG_POWER_PRE", power_vag_event),
+-	SND_SOC_DAPM_POST("VAG_POWER_POST", power_vag_event),
++	SND_SOC_DAPM_ADC_E("ADC", "Capture", SGTL5000_CHIP_ANA_POWER, 1, 0,
++			   adc_updown_depop, SND_SOC_DAPM_PRE_POST_PMU |
++			   SND_SOC_DAPM_PRE_POST_PMD),
++	SND_SOC_DAPM_DAC_E("DAC", "Playback", SGTL5000_CHIP_ANA_POWER, 3, 0,
++			   dac_updown_depop, SND_SOC_DAPM_PRE_POST_PMU |
++			   SND_SOC_DAPM_PRE_POST_PMD),
+ };
+ 
+ /* routes for sgtl5000 */
+diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile
+index a26c44cf31aa..8107f060fa84 100644
+--- a/tools/lib/traceevent/Makefile
++++ b/tools/lib/traceevent/Makefile
+@@ -259,8 +259,8 @@ endef
+ 
+ define do_generate_dynamic_list_file
+ 	symbol_type=`$(NM) -u -D $1 | awk 'NF>1 {print $$1}' | \
+-	xargs echo "U W w" | tr ' ' '\n' | sort -u | xargs echo`;\
+-	if [ "$$symbol_type" = "U W w" ];then				\
++	xargs echo "U w W" | tr 'w ' 'W\n' | sort -u | xargs echo`;\
++	if [ "$$symbol_type" = "U W" ];then				\
+ 		(echo '{';						\
+ 		$(NM) -u -D $1 | awk 'NF>1 {print "\t"$$2";"}' | sort -u;\
+ 		echo '};';						\
+diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
+index 7989dd6289e7..8211e8010e09 100644
+--- a/tools/lib/traceevent/event-parse.c
++++ b/tools/lib/traceevent/event-parse.c
+@@ -268,10 +268,10 @@ static int add_new_comm(struct pevent *pevent, const char *comm, int pid)
+ 		errno = ENOMEM;
+ 		return -1;
+ 	}
++	pevent->cmdlines = cmdlines;
+ 
+ 	cmdlines[pevent->cmdline_count].comm = strdup(comm);
+ 	if (!cmdlines[pevent->cmdline_count].comm) {
+-		free(cmdlines);
+ 		errno = ENOMEM;
+ 		return -1;
+ 	}
+@@ -282,7 +282,6 @@ static int add_new_comm(struct pevent *pevent, const char *comm, int pid)
+ 		pevent->cmdline_count++;
+ 
+ 	qsort(cmdlines, pevent->cmdline_count, sizeof(*cmdlines), cmdline_cmp);
+-	pevent->cmdlines = cmdlines;
+ 
+ 	return 0;
+ }
+diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
+index f362ee46506a..b97e31498ff7 100644
+--- a/tools/perf/Makefile.config
++++ b/tools/perf/Makefile.config
+@@ -795,7 +795,7 @@ ifndef NO_JVMTI
+     JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
+   else
+     ifneq (,$(wildcard /usr/sbin/alternatives))
+-      JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
++      JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
+     endif
+   endif
+   ifndef JDIR
+diff --git a/tools/perf/arch/x86/util/unwind-libunwind.c b/tools/perf/arch/x86/util/unwind-libunwind.c
+index 05920e3edf7a..47357973b55b 100644
+--- a/tools/perf/arch/x86/util/unwind-libunwind.c
++++ b/tools/perf/arch/x86/util/unwind-libunwind.c
+@@ -1,11 +1,11 @@
+ // SPDX-License-Identifier: GPL-2.0
+ 
+ #include <errno.h>
++#include "../../util/debug.h"
+ #ifndef REMOTE_UNWIND_LIBUNWIND
+ #include <libunwind.h>
+ #include "perf_regs.h"
+ #include "../../util/unwind.h"
+-#include "../../util/debug.h"
+ #endif
+ 
+ #ifdef HAVE_ARCH_X86_64_SUPPORT
+diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
+index 52486c90ab93..0801e0ffba4a 100644
+--- a/tools/perf/builtin-stat.c
++++ b/tools/perf/builtin-stat.c
+@@ -2769,8 +2769,11 @@ int cmd_stat(int argc, const char **argv)
+ 			fprintf(output, "[ perf stat: executing run #%d ... ]\n",
+ 				run_idx + 1);
+ 
++		if (run_idx != 0)
++			perf_evlist__reset_prev_raw_counts(evsel_list);
++
+ 		status = run_perf_stat(argc, argv);
+-		if (forever && status != -1) {
++		if (forever && status != -1 && !interval) {
+ 			print_counters(NULL, argc, argv);
+ 			perf_stat__reset_stats();
+ 		}
+diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
+index e1fe446f65da..c892bb4f26c3 100644
+--- a/tools/perf/util/header.c
++++ b/tools/perf/util/header.c
+@@ -1063,7 +1063,7 @@ static int cpu_cache_level__read(struct cpu_cache_level *cache, u32 cpu, u16 lev
+ 
+ 	scnprintf(file, PATH_MAX, "%s/shared_cpu_list", path);
+ 	if (sysfs__read_str(file, &cache->map, &len)) {
+-		free(cache->map);
++		free(cache->size);
+ 		free(cache->type);
+ 		return -1;
+ 	}
+diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
+index c9bae5fb8b47..d028c2786802 100644
+--- a/tools/perf/util/stat.c
++++ b/tools/perf/util/stat.c
+@@ -154,6 +154,15 @@ static void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel)
+ 	evsel->prev_raw_counts = NULL;
+ }
+ 
++static void perf_evsel__reset_prev_raw_counts(struct perf_evsel *evsel)
++{
++	if (evsel->prev_raw_counts) {
++		evsel->prev_raw_counts->aggr.val = 0;
++		evsel->prev_raw_counts->aggr.ena = 0;
++		evsel->prev_raw_counts->aggr.run = 0;
++       }
++}
++
+ static int perf_evsel__alloc_stats(struct perf_evsel *evsel, bool alloc_raw)
+ {
+ 	int ncpus = perf_evsel__nr_cpus(evsel);
+@@ -204,6 +213,14 @@ void perf_evlist__reset_stats(struct perf_evlist *evlist)
+ 	}
+ }
+ 
++void perf_evlist__reset_prev_raw_counts(struct perf_evlist *evlist)
++{
++	struct perf_evsel *evsel;
++
++	evlist__for_each_entry(evlist, evsel)
++		perf_evsel__reset_prev_raw_counts(evsel);
++}
++
+ static void zero_per_pkg(struct perf_evsel *counter)
+ {
+ 	if (counter->per_pkg_mask)
+diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
+index 96326b1f9443..bdfbed8e2df2 100644
+--- a/tools/perf/util/stat.h
++++ b/tools/perf/util/stat.h
+@@ -100,6 +100,7 @@ void perf_stat__collect_metric_expr(struct perf_evlist *);
+ int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw);
+ void perf_evlist__free_stats(struct perf_evlist *evlist);
+ void perf_evlist__reset_stats(struct perf_evlist *evlist);
++void perf_evlist__reset_prev_raw_counts(struct perf_evlist *evlist);
+ 
+ int perf_stat_process_counter(struct perf_stat_config *config,
+ 			      struct perf_evsel *counter);