[gentoo-commits] proj/linux-patches:4.4 commit in: /

[Mike Pagano]

commit:     5eeeaed64db983a81a73404bc2c984c713b5cd7c
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Wed Sep 19 22:37:15 2018 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Wed Sep 19 22:37:15 2018 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=5eeeaed6

Linux patch 4.4.157

 0000_README              |    4 +
 1156_linux-4.4.157.patch | 1664 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 1668 insertions(+)

diff --git a/0000_README b/0000_README
index 6a3a701..3388582 100644
--- a/0000_README
+++ b/0000_README
@@ -667,6 +667,10 @@ Patch:  1155_linux-4.4.156.patch
 From:   http://www.kernel.org
 Desc:   Linux 4.4.156
 
+Patch:  1156_linux-4.4.157.patch
+From:   http://www.kernel.org
+Desc:   Linux 4.4.157
+
 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/1156_linux-4.4.157.patch b/1156_linux-4.4.157.patch
new file mode 100644
index 0000000..45066d8
--- /dev/null
+++ b/1156_linux-4.4.157.patch
@@ -0,0 +1,1664 @@
+diff --git a/Makefile b/Makefile
+index 6dd5924a7ea5..2d55f88e6a08 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 4
+-SUBLEVEL = 156
++SUBLEVEL = 157
+ EXTRAVERSION =
+ NAME = Blurry Fish Butt
+ 
+diff --git a/arch/arc/configs/axs101_defconfig b/arch/arc/configs/axs101_defconfig
+index f1ac9818b751..dbee1934dfc6 100644
+--- a/arch/arc/configs/axs101_defconfig
++++ b/arch/arc/configs/axs101_defconfig
+@@ -1,6 +1,5 @@
+ CONFIG_CROSS_COMPILE="arc-linux-"
+ CONFIG_DEFAULT_HOSTNAME="ARCLinux"
+-# CONFIG_SWAP is not set
+ CONFIG_SYSVIPC=y
+ CONFIG_POSIX_MQUEUE=y
+ # CONFIG_CROSS_MEMORY_ATTACH is not set
+diff --git a/arch/arc/configs/axs103_defconfig b/arch/arc/configs/axs103_defconfig
+index 323486d6ee83..561eac854cc3 100644
+--- a/arch/arc/configs/axs103_defconfig
++++ b/arch/arc/configs/axs103_defconfig
+@@ -1,6 +1,5 @@
+ CONFIG_CROSS_COMPILE="arc-linux-"
+ CONFIG_DEFAULT_HOSTNAME="ARCLinux"
+-# CONFIG_SWAP is not set
+ CONFIG_SYSVIPC=y
+ CONFIG_POSIX_MQUEUE=y
+ # CONFIG_CROSS_MEMORY_ATTACH is not set
+diff --git a/arch/arc/configs/axs103_smp_defconfig b/arch/arc/configs/axs103_smp_defconfig
+index 66191cd0447e..aa4f261b6508 100644
+--- a/arch/arc/configs/axs103_smp_defconfig
++++ b/arch/arc/configs/axs103_smp_defconfig
+@@ -1,6 +1,5 @@
+ CONFIG_CROSS_COMPILE="arc-linux-"
+ CONFIG_DEFAULT_HOSTNAME="ARCLinux"
+-# CONFIG_SWAP is not set
+ CONFIG_SYSVIPC=y
+ CONFIG_POSIX_MQUEUE=y
+ # CONFIG_CROSS_MEMORY_ATTACH is not set
+diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c
+index d113c8ded6e2..6df3a4ea77fc 100644
+--- a/arch/mips/cavium-octeon/octeon-platform.c
++++ b/arch/mips/cavium-octeon/octeon-platform.c
+@@ -349,6 +349,7 @@ static int __init octeon_ehci_device_init(void)
+ 		return 0;
+ 
+ 	pd = of_find_device_by_node(ehci_node);
++	of_node_put(ehci_node);
+ 	if (!pd)
+ 		return 0;
+ 
+@@ -411,6 +412,7 @@ static int __init octeon_ohci_device_init(void)
+ 		return 0;
+ 
+ 	pd = of_find_device_by_node(ohci_node);
++	of_node_put(ohci_node);
+ 	if (!pd)
+ 		return 0;
+ 
+diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
+index 75fa296836fc..ab1df19b0957 100644
+--- a/arch/mips/include/asm/io.h
++++ b/arch/mips/include/asm/io.h
+@@ -141,14 +141,14 @@ static inline void * phys_to_virt(unsigned long address)
+ /*
+  * ISA I/O bus memory addresses are 1:1 with the physical address.
+  */
+-static inline unsigned long isa_virt_to_bus(volatile void * address)
++static inline unsigned long isa_virt_to_bus(volatile void *address)
+ {
+-	return (unsigned long)address - PAGE_OFFSET;
++	return virt_to_phys(address);
+ }
+ 
+-static inline void * isa_bus_to_virt(unsigned long address)
++static inline void *isa_bus_to_virt(unsigned long address)
+ {
+-	return (void *)(address + PAGE_OFFSET);
++	return phys_to_virt(address);
+ }
+ 
+ #define isa_page_to_bus page_to_phys
+diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
+index 354b99f56c1e..ed6cac4a4df0 100644
+--- a/arch/mips/kernel/process.c
++++ b/arch/mips/kernel/process.c
+@@ -115,7 +115,6 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
+ 	struct thread_info *ti = task_thread_info(p);
+ 	struct pt_regs *childregs, *regs = current_pt_regs();
+ 	unsigned long childksp;
+-	p->set_child_tid = p->clear_child_tid = NULL;
+ 
+ 	childksp = (unsigned long)task_stack_page(p) + THREAD_SIZE - 32;
+ 
+diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
+index 5d3a25e1cfae..52e8c2026853 100644
+--- a/arch/mips/mm/c-r4k.c
++++ b/arch/mips/mm/c-r4k.c
+@@ -712,7 +712,8 @@ static void r4k_flush_icache_range(unsigned long start, unsigned long end)
+ static void r4k_dma_cache_wback_inv(unsigned long addr, unsigned long size)
+ {
+ 	/* Catch bad driver code */
+-	BUG_ON(size == 0);
++	if (WARN_ON(size == 0))
++		return;
+ 
+ 	preempt_disable();
+ 	if (cpu_has_inclusive_pcaches) {
+@@ -745,7 +746,8 @@ static void r4k_dma_cache_wback_inv(unsigned long addr, unsigned long size)
+ static void r4k_dma_cache_inv(unsigned long addr, unsigned long size)
+ {
+ 	/* Catch bad driver code */
+-	BUG_ON(size == 0);
++	if (WARN_ON(size == 0))
++		return;
+ 
+ 	preempt_disable();
+ 	if (cpu_has_inclusive_pcaches) {
+diff --git a/arch/openrisc/kernel/process.c b/arch/openrisc/kernel/process.c
+index 7095dfe7666b..962372143fda 100644
+--- a/arch/openrisc/kernel/process.c
++++ b/arch/openrisc/kernel/process.c
+@@ -152,8 +152,6 @@ copy_thread(unsigned long clone_flags, unsigned long usp,
+ 
+ 	top_of_kernel_stack = sp;
+ 
+-	p->set_child_tid = p->clear_child_tid = NULL;
+-
+ 	/* Locate userspace context on stack... */
+ 	sp -= STACK_FRAME_OVERHEAD;	/* redzone */
+ 	sp -= sizeof(struct pt_regs);
+diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
+index 337c52192278..440a948c4feb 100644
+--- a/arch/x86/include/asm/processor.h
++++ b/arch/x86/include/asm/processor.h
+@@ -104,6 +104,8 @@ struct cpuinfo_x86 {
+ 	__u8			x86_phys_bits;
+ 	/* CPUID returned core id bits: */
+ 	__u8			x86_coreid_bits;
++
++	__u8			x86_cache_bits;
+ 	/* Max extended CPUID function supported: */
+ 	__u32			extended_cpuid_level;
+ 	/* Maximum supported CPUID level, -1=no CPUID: */
+@@ -174,7 +176,7 @@ extern void cpu_detect(struct cpuinfo_x86 *c);
+ 
+ static inline unsigned long long l1tf_pfn_limit(void)
+ {
+-	return BIT_ULL(boot_cpu_data.x86_phys_bits - 1 - PAGE_SHIFT);
++	return BIT_ULL(boot_cpu_data.x86_cache_bits - 1 - PAGE_SHIFT);
+ }
+ 
+ extern void early_cpu_init(void);
+diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
+index b9e6b60df148..621bc6561189 100644
+--- a/arch/x86/kernel/cpu/bugs.c
++++ b/arch/x86/kernel/cpu/bugs.c
+@@ -634,6 +634,46 @@ void x86_spec_ctrl_setup_ap(void)
+ 
+ #undef pr_fmt
+ #define pr_fmt(fmt)	"L1TF: " fmt
++
++/*
++ * These CPUs all support 44bits physical address space internally in the
++ * cache but CPUID can report a smaller number of physical address bits.
++ *
++ * The L1TF mitigation uses the top most address bit for the inversion of
++ * non present PTEs. When the installed memory reaches into the top most
++ * address bit due to memory holes, which has been observed on machines
++ * which report 36bits physical address bits and have 32G RAM installed,
++ * then the mitigation range check in l1tf_select_mitigation() triggers.
++ * This is a false positive because the mitigation is still possible due to
++ * the fact that the cache uses 44bit internally. Use the cache bits
++ * instead of the reported physical bits and adjust them on the affected
++ * machines to 44bit if the reported bits are less than 44.
++ */
++static void override_cache_bits(struct cpuinfo_x86 *c)
++{
++	if (c->x86 != 6)
++		return;
++
++	switch (c->x86_model) {
++	case INTEL_FAM6_NEHALEM:
++	case INTEL_FAM6_WESTMERE:
++	case INTEL_FAM6_SANDYBRIDGE:
++	case INTEL_FAM6_IVYBRIDGE:
++	case INTEL_FAM6_HASWELL_CORE:
++	case INTEL_FAM6_HASWELL_ULT:
++	case INTEL_FAM6_HASWELL_GT3E:
++	case INTEL_FAM6_BROADWELL_CORE:
++	case INTEL_FAM6_BROADWELL_GT3E:
++	case INTEL_FAM6_SKYLAKE_MOBILE:
++	case INTEL_FAM6_SKYLAKE_DESKTOP:
++	case INTEL_FAM6_KABYLAKE_MOBILE:
++	case INTEL_FAM6_KABYLAKE_DESKTOP:
++		if (c->x86_cache_bits < 44)
++			c->x86_cache_bits = 44;
++		break;
++	}
++}
++
+ static void __init l1tf_select_mitigation(void)
+ {
+ 	u64 half_pa;
+@@ -641,16 +681,13 @@ static void __init l1tf_select_mitigation(void)
+ 	if (!boot_cpu_has_bug(X86_BUG_L1TF))
+ 		return;
+ 
++	override_cache_bits(&boot_cpu_data);
++
+ #if CONFIG_PGTABLE_LEVELS == 2
+ 	pr_warn("Kernel not compiled for PAE. No mitigation for L1TF\n");
+ 	return;
+ #endif
+ 
+-	/*
+-	 * This is extremely unlikely to happen because almost all
+-	 * systems have far more MAX_PA/2 than RAM can be fit into
+-	 * DIMM slots.
+-	 */
+ 	half_pa = (u64)l1tf_pfn_limit() << PAGE_SHIFT;
+ 	if (e820_any_mapped(half_pa, ULLONG_MAX - half_pa, E820_RAM)) {
+ 		pr_warn("System has more than MAX_PA/2 memory. L1TF mitigation not effective.\n");
+diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
+index 4d3fa79c0f09..b12c0287d6cf 100644
+--- a/arch/x86/kernel/cpu/common.c
++++ b/arch/x86/kernel/cpu/common.c
+@@ -798,6 +798,8 @@ void get_cpu_cap(struct cpuinfo_x86 *c)
+ 		c->x86_phys_bits = 36;
+ #endif
+ 
++	c->x86_cache_bits = c->x86_phys_bits;
++
+ 	if (c->extended_cpuid_level >= 0x8000000a)
+ 		c->x86_capability[CPUID_8000_000A_EDX] = cpuid_edx(0x8000000a);
+ 
+diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
+index e0a34b0d381e..c4dffae5d939 100644
+--- a/arch/x86/mm/fault.c
++++ b/arch/x86/mm/fault.c
+@@ -273,8 +273,6 @@ static noinline int vmalloc_fault(unsigned long address)
+ 	if (!(address >= VMALLOC_START && address < VMALLOC_END))
+ 		return -1;
+ 
+-	WARN_ON_ONCE(in_nmi());
+-
+ 	/*
+ 	 * Synchronize this task's top level page-table
+ 	 * with the 'reference' page table.
+diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
+index 46ba2402c8f9..987361113ecd 100644
+--- a/block/blk-cgroup.c
++++ b/block/blk-cgroup.c
+@@ -185,7 +185,8 @@ static struct blkcg_gq *blkg_create(struct blkcg *blkcg,
+ 	}
+ 
+ 	wb_congested = wb_congested_get_create(&q->backing_dev_info,
+-					       blkcg->css.id, GFP_NOWAIT);
++					       blkcg->css.id,
++					       GFP_NOWAIT | __GFP_NOWARN);
+ 	if (!wb_congested) {
+ 		ret = -ENOMEM;
+ 		goto err_put_css;
+@@ -193,7 +194,7 @@ static struct blkcg_gq *blkg_create(struct blkcg *blkcg,
+ 
+ 	/* allocate */
+ 	if (!new_blkg) {
+-		new_blkg = blkg_alloc(blkcg, q, GFP_NOWAIT);
++		new_blkg = blkg_alloc(blkcg, q, GFP_NOWAIT | __GFP_NOWARN);
+ 		if (unlikely(!new_blkg)) {
+ 			ret = -ENOMEM;
+ 			goto err_put_congested;
+@@ -1022,7 +1023,7 @@ blkcg_css_alloc(struct cgroup_subsys_state *parent_css)
+ 	}
+ 
+ 	spin_lock_init(&blkcg->lock);
+-	INIT_RADIX_TREE(&blkcg->blkg_tree, GFP_NOWAIT);
++	INIT_RADIX_TREE(&blkcg->blkg_tree, GFP_NOWAIT | __GFP_NOWARN);
+ 	INIT_HLIST_HEAD(&blkcg->blkg_list);
+ #ifdef CONFIG_CGROUP_WRITEBACK
+ 	INIT_LIST_HEAD(&blkcg->cgwb_list);
+@@ -1238,7 +1239,7 @@ pd_prealloc:
+ 		if (blkg->pd[pol->plid])
+ 			continue;
+ 
+-		pd = pol->pd_alloc_fn(GFP_NOWAIT, q->node);
++		pd = pol->pd_alloc_fn(GFP_NOWAIT | __GFP_NOWARN, q->node);
+ 		if (!pd)
+ 			swap(pd, pd_prealloc);
+ 		if (!pd) {
+diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
+index e04a7b8492cf..4e1f49434bbe 100644
+--- a/block/cfq-iosched.c
++++ b/block/cfq-iosched.c
+@@ -2905,7 +2905,8 @@ static void cfq_arm_slice_timer(struct cfq_data *cfqd)
+ 	 * for devices that support queuing, otherwise we still have a problem
+ 	 * with sync vs async workloads.
+ 	 */
+-	if (blk_queue_nonrot(cfqd->queue) && cfqd->hw_tag)
++	if (blk_queue_nonrot(cfqd->queue) && cfqd->hw_tag &&
++		!cfqd->cfq_group_idle)
+ 		return;
+ 
+ 	WARN_ON(!RB_EMPTY_ROOT(&cfqq->sort_list));
+@@ -3810,7 +3811,8 @@ cfq_get_queue(struct cfq_data *cfqd, bool is_sync, struct cfq_io_cq *cic,
+ 			goto out;
+ 	}
+ 
+-	cfqq = kmem_cache_alloc_node(cfq_pool, GFP_NOWAIT | __GFP_ZERO,
++	cfqq = kmem_cache_alloc_node(cfq_pool,
++				     GFP_NOWAIT | __GFP_ZERO | __GFP_NOWARN,
+ 				     cfqd->queue->node);
+ 	if (!cfqq) {
+ 		cfqq = &cfqd->oom_cfqq;
+diff --git a/block/partitions/aix.c b/block/partitions/aix.c
+index f3ed7b2d89bf..8e7d358e0226 100644
+--- a/block/partitions/aix.c
++++ b/block/partitions/aix.c
+@@ -177,7 +177,7 @@ int aix_partition(struct parsed_partitions *state)
+ 	u32 vgda_sector = 0;
+ 	u32 vgda_len = 0;
+ 	int numlvs = 0;
+-	struct pvd *pvd;
++	struct pvd *pvd = NULL;
+ 	struct lv_info {
+ 		unsigned short pps_per_lv;
+ 		unsigned short pps_found;
+@@ -231,10 +231,11 @@ int aix_partition(struct parsed_partitions *state)
+ 				if (lvip[i].pps_per_lv)
+ 					foundlvs += 1;
+ 			}
++			/* pvd loops depend on n[].name and lvip[].pps_per_lv */
++			pvd = alloc_pvd(state, vgda_sector + 17);
+ 		}
+ 		put_dev_sector(sect);
+ 	}
+-	pvd = alloc_pvd(state, vgda_sector + 17);
+ 	if (pvd) {
+ 		int numpps = be16_to_cpu(pvd->pp_count);
+ 		int psn_part1 = be32_to_cpu(pvd->psn_part1);
+@@ -281,10 +282,14 @@ int aix_partition(struct parsed_partitions *state)
+ 				next_lp_ix += 1;
+ 		}
+ 		for (i = 0; i < state->limit; i += 1)
+-			if (lvip[i].pps_found && !lvip[i].lv_is_contiguous)
++			if (lvip[i].pps_found && !lvip[i].lv_is_contiguous) {
++				char tmp[sizeof(n[i].name) + 1]; // null char
++
++				snprintf(tmp, sizeof(tmp), "%s", n[i].name);
+ 				pr_warn("partition %s (%u pp's found) is "
+ 					"not contiguous\n",
+-					n[i].name, lvip[i].pps_found);
++					tmp, lvip[i].pps_found);
++			}
+ 		kfree(pvd);
+ 	}
+ 	kfree(n);
+diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
+index 9628fa131757..8116cb2fef2d 100644
+--- a/drivers/ata/libahci.c
++++ b/drivers/ata/libahci.c
+@@ -2113,6 +2113,8 @@ static void ahci_set_aggressive_devslp(struct ata_port *ap, bool sleep)
+ 		deto = 20;
+ 	}
+ 
++	/* Make dito, mdat, deto bits to 0s */
++	devslp &= ~GENMASK_ULL(24, 2);
+ 	devslp |= ((dito << PORT_DEVSLP_DITO_OFFSET) |
+ 		   (mdat << PORT_DEVSLP_MDAT_OFFSET) |
+ 		   (deto << PORT_DEVSLP_DETO_OFFSET) |
+diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
+index ec6af1595062..4685bd10c473 100644
+--- a/drivers/bluetooth/Kconfig
++++ b/drivers/bluetooth/Kconfig
+@@ -125,6 +125,7 @@ config BT_HCIUART_LL
+ config BT_HCIUART_3WIRE
+ 	bool "Three-wire UART (H5) protocol support"
+ 	depends on BT_HCIUART
++	depends on BT_HCIUART_SERDEV
+ 	help
+ 	  The HCI Three-wire UART Transport Layer makes it possible to
+ 	  user the Bluetooth HCI over a serial port interface. The HCI
+diff --git a/drivers/crypto/vmx/aes_cbc.c b/drivers/crypto/vmx/aes_cbc.c
+index 9506e8693c81..d8ef1147b344 100644
+--- a/drivers/crypto/vmx/aes_cbc.c
++++ b/drivers/crypto/vmx/aes_cbc.c
+@@ -111,24 +111,23 @@ static int p8_aes_cbc_encrypt(struct blkcipher_desc *desc,
+ 		ret = crypto_blkcipher_encrypt(&fallback_desc, dst, src,
+ 					       nbytes);
+ 	} else {
+-		preempt_disable();
+-		pagefault_disable();
+-		enable_kernel_altivec();
+-		enable_kernel_vsx();
+-
+ 		blkcipher_walk_init(&walk, dst, src, nbytes);
+ 		ret = blkcipher_walk_virt(desc, &walk);
+ 		while ((nbytes = walk.nbytes)) {
++			preempt_disable();
++			pagefault_disable();
++			enable_kernel_vsx();
++			enable_kernel_altivec();
+ 			aes_p8_cbc_encrypt(walk.src.virt.addr,
+ 					   walk.dst.virt.addr,
+ 					   nbytes & AES_BLOCK_MASK,
+ 					   &ctx->enc_key, walk.iv, 1);
++			pagefault_enable();
++			preempt_enable();
++
+ 			nbytes &= AES_BLOCK_SIZE - 1;
+ 			ret = blkcipher_walk_done(desc, &walk, nbytes);
+ 		}
+-
+-		pagefault_enable();
+-		preempt_enable();
+ 	}
+ 
+ 	return ret;
+@@ -152,24 +151,23 @@ static int p8_aes_cbc_decrypt(struct blkcipher_desc *desc,
+ 		ret = crypto_blkcipher_decrypt(&fallback_desc, dst, src,
+ 					       nbytes);
+ 	} else {
+-		preempt_disable();
+-		pagefault_disable();
+-		enable_kernel_altivec();
+-		enable_kernel_vsx();
+-
+ 		blkcipher_walk_init(&walk, dst, src, nbytes);
+ 		ret = blkcipher_walk_virt(desc, &walk);
+ 		while ((nbytes = walk.nbytes)) {
++			preempt_disable();
++			pagefault_disable();
++			enable_kernel_vsx();
++			enable_kernel_altivec();
+ 			aes_p8_cbc_encrypt(walk.src.virt.addr,
+ 					   walk.dst.virt.addr,
+ 					   nbytes & AES_BLOCK_MASK,
+ 					   &ctx->dec_key, walk.iv, 0);
++			pagefault_enable();
++			preempt_enable();
++
+ 			nbytes &= AES_BLOCK_SIZE - 1;
+ 			ret = blkcipher_walk_done(desc, &walk, nbytes);
+ 		}
+-
+-		pagefault_enable();
+-		preempt_enable();
+ 	}
+ 
+ 	return ret;
+diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c
+index 5536108aa9db..fe21734bbe5c 100644
+--- a/drivers/gpio/gpio-ml-ioh.c
++++ b/drivers/gpio/gpio-ml-ioh.c
+@@ -495,9 +495,10 @@ err_irq_alloc_descs:
+ 
+ 	chip = chip_save;
+ err_gpiochip_add:
++	chip = chip_save;
+ 	while (--i >= 0) {
+-		chip--;
+ 		gpiochip_remove(&chip->gpio);
++		chip++;
+ 	}
+ 	kfree(chip_save);
+ 
+diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
+index 896bf29776b0..fb2c1df4f588 100644
+--- a/drivers/gpio/gpio-tegra.c
++++ b/drivers/gpio/gpio-tegra.c
+@@ -591,4 +591,4 @@ static int __init tegra_gpio_init(void)
+ {
+ 	return platform_driver_register(&tegra_gpio_driver);
+ }
+-postcore_initcall(tegra_gpio_init);
++subsys_initcall(tegra_gpio_init);
+diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
+index 85f39cc3e276..47581c32b1e1 100644
+--- a/drivers/i2c/busses/i2c-i801.c
++++ b/drivers/i2c/busses/i2c-i801.c
+@@ -128,6 +128,7 @@
+ 
+ #define SBREG_BAR		0x10
+ #define SBREG_SMBCTRL		0xc6000c
++#define SBREG_SMBCTRL_DNV	0xcf000c
+ 
+ /* Host status bits for SMBPCISTS */
+ #define SMBPCISTS_INTS		0x08
+@@ -1251,7 +1252,11 @@ static void i801_add_tco(struct i801_priv *priv)
+ 	spin_unlock(&p2sb_spinlock);
+ 
+ 	res = &tco_res[ICH_RES_MEM_OFF];
+-	res->start = (resource_size_t)base64_addr + SBREG_SMBCTRL;
++	if (pci_dev->device == PCI_DEVICE_ID_INTEL_DNV_SMBUS)
++		res->start = (resource_size_t)base64_addr + SBREG_SMBCTRL_DNV;
++	else
++		res->start = (resource_size_t)base64_addr + SBREG_SMBCTRL;
++
+ 	res->end = res->start + 3;
+ 	res->flags = IORESOURCE_MEM;
+ 
+diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
+index 0b20449e48cf..da9acec1a029 100644
+--- a/drivers/i2c/busses/i2c-xiic.c
++++ b/drivers/i2c/busses/i2c-xiic.c
+@@ -533,6 +533,7 @@ static void xiic_start_recv(struct xiic_i2c *i2c)
+ {
+ 	u8 rx_watermark;
+ 	struct i2c_msg *msg = i2c->rx_msg = i2c->tx_msg;
++	unsigned long flags;
+ 
+ 	/* Clear and enable Rx full interrupt. */
+ 	xiic_irq_clr_en(i2c, XIIC_INTR_RX_FULL_MASK | XIIC_INTR_TX_ERROR_MASK);
+@@ -548,6 +549,7 @@ static void xiic_start_recv(struct xiic_i2c *i2c)
+ 		rx_watermark = IIC_RX_FIFO_DEPTH;
+ 	xiic_setreg8(i2c, XIIC_RFD_REG_OFFSET, rx_watermark - 1);
+ 
++	local_irq_save(flags);
+ 	if (!(msg->flags & I2C_M_NOSTART))
+ 		/* write the address */
+ 		xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET,
+@@ -558,6 +560,8 @@ static void xiic_start_recv(struct xiic_i2c *i2c)
+ 
+ 	xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET,
+ 		msg->len | ((i2c->nmsgs == 1) ? XIIC_TX_DYN_STOP_MASK : 0));
++	local_irq_restore(flags);
++
+ 	if (i2c->nmsgs == 1)
+ 		/* very last, enable bus not busy as well */
+ 		xiic_irq_clr_en(i2c, XIIC_INTR_BNB_MASK);
+diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
+index d57a78ec7425..0f42411d6a79 100644
+--- a/drivers/infiniband/core/cma.c
++++ b/drivers/infiniband/core/cma.c
+@@ -1280,9 +1280,16 @@ static bool cma_match_net_dev(const struct rdma_cm_id *id,
+ 		       (addr->src_addr.ss_family == AF_IB ||
+ 			cma_protocol_roce_dev_port(id->device, port_num));
+ 
+-	return !addr->dev_addr.bound_dev_if ||
+-	       (net_eq(dev_net(net_dev), addr->dev_addr.net) &&
+-		addr->dev_addr.bound_dev_if == net_dev->ifindex);
++	/*
++	 * Net namespaces must match, and if the listner is listening
++	 * on a specific netdevice than netdevice must match as well.
++	 */
++	if (net_eq(dev_net(net_dev), addr->dev_addr.net) &&
++	    (!!addr->dev_addr.bound_dev_if ==
++	     (addr->dev_addr.bound_dev_if == net_dev->ifindex)))
++		return true;
++	else
++		return false;
+ }
+ 
+ static struct rdma_id_private *cma_find_listener(
+diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
+index 88dfe3008cf4..be2f2521c1c5 100644
+--- a/drivers/input/touchscreen/atmel_mxt_ts.c
++++ b/drivers/input/touchscreen/atmel_mxt_ts.c
+@@ -1593,10 +1593,11 @@ static int mxt_get_object_table(struct mxt_data *data)
+ 			break;
+ 		case MXT_TOUCH_MULTI_T9:
+ 			data->multitouch = MXT_TOUCH_MULTI_T9;
++			/* Only handle messages from first T9 instance */
+ 			data->T9_reportid_min = min_id;
+-			data->T9_reportid_max = max_id;
+-			data->num_touchids = object->num_report_ids
+-						* mxt_obj_instances(object);
++			data->T9_reportid_max = min_id +
++						object->num_report_ids - 1;
++			data->num_touchids = object->num_report_ids;
+ 			break;
+ 		case MXT_SPT_MESSAGECOUNT_T44:
+ 			data->T44_address = object->start_address;
+diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
+index dfb868e2d129..624e7ff76166 100644
+--- a/drivers/iommu/ipmmu-vmsa.c
++++ b/drivers/iommu/ipmmu-vmsa.c
+@@ -44,7 +44,7 @@ struct ipmmu_vmsa_domain {
+ 	struct io_pgtable_ops *iop;
+ 
+ 	unsigned int context_id;
+-	spinlock_t lock;			/* Protects mappings */
++	struct mutex mutex;			/* Protects mappings */
+ };
+ 
+ struct ipmmu_vmsa_archdata {
+@@ -464,7 +464,7 @@ static struct iommu_domain *ipmmu_domain_alloc(unsigned type)
+ 	if (!domain)
+ 		return NULL;
+ 
+-	spin_lock_init(&domain->lock);
++	mutex_init(&domain->mutex);
+ 
+ 	return &domain->io_domain;
+ }
+@@ -488,7 +488,6 @@ static int ipmmu_attach_device(struct iommu_domain *io_domain,
+ 	struct ipmmu_vmsa_archdata *archdata = dev->archdata.iommu;
+ 	struct ipmmu_vmsa_device *mmu = archdata->mmu;
+ 	struct ipmmu_vmsa_domain *domain = to_vmsa_domain(io_domain);
+-	unsigned long flags;
+ 	unsigned int i;
+ 	int ret = 0;
+ 
+@@ -497,7 +496,7 @@ static int ipmmu_attach_device(struct iommu_domain *io_domain,
+ 		return -ENXIO;
+ 	}
+ 
+-	spin_lock_irqsave(&domain->lock, flags);
++	mutex_lock(&domain->mutex);
+ 
+ 	if (!domain->mmu) {
+ 		/* The domain hasn't been used yet, initialize it. */
+@@ -513,7 +512,7 @@ static int ipmmu_attach_device(struct iommu_domain *io_domain,
+ 		ret = -EINVAL;
+ 	}
+ 
+-	spin_unlock_irqrestore(&domain->lock, flags);
++	mutex_unlock(&domain->mutex);
+ 
+ 	if (ret < 0)
+ 		return ret;
+diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
+index f9512bfa6c3c..0a41132ffba7 100644
+--- a/drivers/macintosh/via-pmu.c
++++ b/drivers/macintosh/via-pmu.c
+@@ -530,8 +530,9 @@ init_pmu(void)
+ 	int timeout;
+ 	struct adb_request req;
+ 
+-	out_8(&via[B], via[B] | TREQ);			/* negate TREQ */
+-	out_8(&via[DIRB], (via[DIRB] | TREQ) & ~TACK);	/* TACK in, TREQ out */
++	/* Negate TREQ. Set TACK to input and TREQ to output. */
++	out_8(&via[B], in_8(&via[B]) | TREQ);
++	out_8(&via[DIRB], (in_8(&via[DIRB]) | TREQ) & ~TACK);
+ 
+ 	pmu_request(&req, NULL, 2, PMU_SET_INTR_MASK, pmu_intr_mask);
+ 	timeout =  100000;
+@@ -1453,8 +1454,8 @@ pmu_sr_intr(void)
+ 	struct adb_request *req;
+ 	int bite = 0;
+ 
+-	if (via[B] & TREQ) {
+-		printk(KERN_ERR "PMU: spurious SR intr (%x)\n", via[B]);
++	if (in_8(&via[B]) & TREQ) {
++		printk(KERN_ERR "PMU: spurious SR intr (%x)\n", in_8(&via[B]));
+ 		out_8(&via[IFR], SR_INT);
+ 		return NULL;
+ 	}
+diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
+index d59b861764a1..0841d8f10a58 100644
+--- a/drivers/md/raid5.c
++++ b/drivers/md/raid5.c
+@@ -4190,6 +4190,12 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s)
+ 			s->failed++;
+ 			if (rdev && !test_bit(Faulty, &rdev->flags))
+ 				do_recovery = 1;
++			else if (!rdev) {
++				rdev = rcu_dereference(
++				    conf->disks[i].replacement);
++				if (rdev && !test_bit(Faulty, &rdev->flags))
++					do_recovery = 1;
++			}
+ 		}
+ 	}
+ 	if (test_bit(STRIPE_SYNCING, &sh->state)) {
+diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c
+index e4e4b22eebc9..4a0f076c91ba 100644
+--- a/drivers/mfd/ti_am335x_tscadc.c
++++ b/drivers/mfd/ti_am335x_tscadc.c
+@@ -224,14 +224,13 @@ static	int ti_tscadc_probe(struct platform_device *pdev)
+ 	 * The TSC_ADC_SS controller design assumes the OCP clock is
+ 	 * at least 6x faster than the ADC clock.
+ 	 */
+-	clk = clk_get(&pdev->dev, "adc_tsc_fck");
++	clk = devm_clk_get(&pdev->dev, "adc_tsc_fck");
+ 	if (IS_ERR(clk)) {
+ 		dev_err(&pdev->dev, "failed to get TSC fck\n");
+ 		err = PTR_ERR(clk);
+ 		goto err_disable_clk;
+ 	}
+ 	clock_rate = clk_get_rate(clk);
+-	clk_put(clk);
+ 	tscadc->clk_div = clock_rate / ADC_CLK;
+ 
+ 	/* TSCADC_CLKDIV needs to be configured to the value minus 1 */
+diff --git a/drivers/misc/mic/scif/scif_api.c b/drivers/misc/mic/scif/scif_api.c
+index ddc9e4b08b5c..56efa9d18a9a 100644
+--- a/drivers/misc/mic/scif/scif_api.c
++++ b/drivers/misc/mic/scif/scif_api.c
+@@ -370,11 +370,10 @@ int scif_bind(scif_epd_t epd, u16 pn)
+ 			goto scif_bind_exit;
+ 		}
+ 	} else {
+-		pn = scif_get_new_port();
+-		if (!pn) {
+-			ret = -ENOSPC;
++		ret = scif_get_new_port();
++		if (ret < 0)
+ 			goto scif_bind_exit;
+-		}
++		pn = ret;
+ 	}
+ 
+ 	ep->state = SCIFEP_BOUND;
+@@ -648,13 +647,12 @@ int __scif_connect(scif_epd_t epd, struct scif_port_id *dst, bool non_block)
+ 			err = -EISCONN;
+ 		break;
+ 	case SCIFEP_UNBOUND:
+-		ep->port.port = scif_get_new_port();
+-		if (!ep->port.port) {
+-			err = -ENOSPC;
+-		} else {
+-			ep->port.node = scif_info.nodeid;
+-			ep->conn_async_state = ASYNC_CONN_IDLE;
+-		}
++		err = scif_get_new_port();
++		if (err < 0)
++			break;
++		ep->port.port = err;
++		ep->port.node = scif_info.nodeid;
++		ep->conn_async_state = ASYNC_CONN_IDLE;
+ 		/* Fall through */
+ 	case SCIFEP_BOUND:
+ 		/*
+diff --git a/drivers/misc/ti-st/st_kim.c b/drivers/misc/ti-st/st_kim.c
+index 71b64550b591..a1bca836e506 100644
+--- a/drivers/misc/ti-st/st_kim.c
++++ b/drivers/misc/ti-st/st_kim.c
+@@ -757,14 +757,14 @@ static int kim_probe(struct platform_device *pdev)
+ 	err = gpio_request(kim_gdata->nshutdown, "kim");
+ 	if (unlikely(err)) {
+ 		pr_err(" gpio %d request failed ", kim_gdata->nshutdown);
+-		return err;
++		goto err_sysfs_group;
+ 	}
+ 
+ 	/* Configure nShutdown GPIO as output=0 */
+ 	err = gpio_direction_output(kim_gdata->nshutdown, 0);
+ 	if (unlikely(err)) {
+ 		pr_err(" unable to configure gpio %d", kim_gdata->nshutdown);
+-		return err;
++		goto err_sysfs_group;
+ 	}
+ 	/* get reference of pdev for request_firmware
+ 	 */
+diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c
+index 518e2dec2aa2..5e9122cd3898 100644
+--- a/drivers/misc/vmw_balloon.c
++++ b/drivers/misc/vmw_balloon.c
+@@ -45,6 +45,7 @@
+ #include <linux/seq_file.h>
+ #include <linux/vmw_vmci_defs.h>
+ #include <linux/vmw_vmci_api.h>
++#include <linux/io.h>
+ #include <asm/hypervisor.h>
+ 
+ MODULE_AUTHOR("VMware, Inc.");
+diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
+index b3c1b8106a68..f4b3ce2b2bc3 100644
+--- a/drivers/mtd/ubi/wl.c
++++ b/drivers/mtd/ubi/wl.c
+@@ -1597,8 +1597,10 @@ int ubi_wl_init(struct ubi_device *ubi, struct ubi_attach_info *ai)
+ 		cond_resched();
+ 
+ 		e = kmem_cache_alloc(ubi_wl_entry_slab, GFP_KERNEL);
+-		if (!e)
++		if (!e) {
++			err = -ENOMEM;
+ 			goto out_free;
++		}
+ 
+ 		e->pnum = aeb->pnum;
+ 		e->ec = aeb->ec;
+@@ -1617,8 +1619,10 @@ int ubi_wl_init(struct ubi_device *ubi, struct ubi_attach_info *ai)
+ 			cond_resched();
+ 
+ 			e = kmem_cache_alloc(ubi_wl_entry_slab, GFP_KERNEL);
+-			if (!e)
++			if (!e) {
++				err = -ENOMEM;
+ 				goto out_free;
++			}
+ 
+ 			e->pnum = aeb->pnum;
+ 			e->ec = aeb->ec;
+diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
+index ea693bbf56d8..1c300259d70a 100644
+--- a/drivers/net/ethernet/marvell/mvneta.c
++++ b/drivers/net/ethernet/marvell/mvneta.c
+@@ -2569,7 +2569,6 @@ static int mvneta_change_mtu(struct net_device *dev, int mtu)
+ 	}
+ 
+ 	mvneta_start_dev(pp);
+-	mvneta_port_up(pp);
+ 
+ 	netdev_update_features(dev);
+ 
+diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
+index c69b0bdd891d..c2e110b2549b 100644
+--- a/drivers/net/ethernet/ti/cpsw.c
++++ b/drivers/net/ethernet/ti/cpsw.c
+@@ -371,7 +371,6 @@ struct cpsw_priv {
+ 	spinlock_t			lock;
+ 	struct platform_device		*pdev;
+ 	struct net_device		*ndev;
+-	struct device_node		*phy_node;
+ 	struct napi_struct		napi_rx;
+ 	struct napi_struct		napi_tx;
+ 	struct device			*dev;
+@@ -1165,8 +1164,8 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv)
+ 		cpsw_ale_add_mcast(priv->ale, priv->ndev->broadcast,
+ 				   1 << slave_port, 0, 0, ALE_MCAST_FWD_2);
+ 
+-	if (priv->phy_node)
+-		slave->phy = of_phy_connect(priv->ndev, priv->phy_node,
++	if (slave->data->phy_node)
++		slave->phy = of_phy_connect(priv->ndev, slave->data->phy_node,
+ 				 &cpsw_adjust_link, 0, slave->data->phy_if);
+ 	else
+ 		slave->phy = phy_connect(priv->ndev, slave->data->phy_id,
+@@ -1957,12 +1956,11 @@ static void cpsw_slave_init(struct cpsw_slave *slave, struct cpsw_priv *priv,
+ 	slave->port_vlan = data->dual_emac_res_vlan;
+ }
+ 
+-static int cpsw_probe_dt(struct cpsw_priv *priv,
++static int cpsw_probe_dt(struct cpsw_platform_data *data,
+ 			 struct platform_device *pdev)
+ {
+ 	struct device_node *node = pdev->dev.of_node;
+ 	struct device_node *slave_node;
+-	struct cpsw_platform_data *data = &priv->data;
+ 	int i = 0, ret;
+ 	u32 prop;
+ 
+@@ -2050,7 +2048,8 @@ static int cpsw_probe_dt(struct cpsw_priv *priv,
+ 		if (strcmp(slave_node->name, "slave"))
+ 			continue;
+ 
+-		priv->phy_node = of_parse_phandle(slave_node, "phy-handle", 0);
++		slave_data->phy_node = of_parse_phandle(slave_node,
++							"phy-handle", 0);
+ 		parp = of_get_property(slave_node, "phy_id", &lenp);
+ 		if (of_phy_is_fixed_link(slave_node)) {
+ 			struct device_node *phy_node;
+@@ -2087,6 +2086,7 @@ static int cpsw_probe_dt(struct cpsw_priv *priv,
+ 			}
+ 			snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
+ 				 PHY_ID_FMT, mdio->name, phyid);
++			put_device(&mdio->dev);
+ 		} else {
+ 			dev_err(&pdev->dev, "No slave[%d] phy_id or fixed-link property\n", i);
+ 			goto no_phy_slave;
+@@ -2291,7 +2291,7 @@ static int cpsw_probe(struct platform_device *pdev)
+ 	/* Select default pin state */
+ 	pinctrl_pm_select_default_state(&pdev->dev);
+ 
+-	if (cpsw_probe_dt(priv, pdev)) {
++	if (cpsw_probe_dt(&priv->data, pdev)) {
+ 		dev_err(&pdev->dev, "cpsw: platform data missing\n");
+ 		ret = -ENODEV;
+ 		goto clean_runtime_disable_ret;
+diff --git a/drivers/net/ethernet/ti/cpsw.h b/drivers/net/ethernet/ti/cpsw.h
+index 442a7038e660..e50afd1b2eda 100644
+--- a/drivers/net/ethernet/ti/cpsw.h
++++ b/drivers/net/ethernet/ti/cpsw.h
+@@ -18,6 +18,7 @@
+ #include <linux/phy.h>
+ 
+ struct cpsw_slave_data {
++	struct device_node *phy_node;
+ 	char		phy_id[MII_BUS_ID_SIZE];
+ 	int		phy_if;
+ 	u8		mac_addr[ETH_ALEN];
+diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c
+index 6be315303d61..8ecb24186b7f 100644
+--- a/drivers/net/ethernet/ti/davinci_emac.c
++++ b/drivers/net/ethernet/ti/davinci_emac.c
+@@ -2108,6 +2108,7 @@ static int davinci_emac_remove(struct platform_device *pdev)
+ 	cpdma_ctlr_destroy(priv->dma);
+ 
+ 	unregister_netdev(ndev);
++	of_node_put(priv->phy_node);
+ 	free_netdev(ndev);
+ 
+ 	return 0;
+diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
+index 916b9b12edd2..4644357d291a 100644
+--- a/drivers/net/wireless/ath/ath10k/mac.c
++++ b/drivers/net/wireless/ath/ath10k/mac.c
+@@ -2901,6 +2901,13 @@ static int ath10k_update_channel_list(struct ath10k *ar)
+ 			passive = channel->flags & IEEE80211_CHAN_NO_IR;
+ 			ch->passive = passive;
+ 
++			/* the firmware is ignoring the "radar" flag of the
++			 * channel and is scanning actively using Probe Requests
++			 * on "Radar detection"/DFS channels which are not
++			 * marked as "available"
++			 */
++			ch->passive |= ch->chan_radar;
++
+ 			ch->freq = channel->center_freq;
+ 			ch->band_center_freq1 = channel->center_freq;
+ 			ch->min_power = 0;
+diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+index 02eea3c3b5d3..c72eb4464de9 100644
+--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
++++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+@@ -1424,6 +1424,11 @@ static struct sk_buff *ath10k_wmi_tlv_op_gen_init(struct ath10k *ar)
+ 	cfg->keep_alive_pattern_size = __cpu_to_le32(0);
+ 	cfg->max_tdls_concurrent_sleep_sta = __cpu_to_le32(1);
+ 	cfg->max_tdls_concurrent_buffer_sta = __cpu_to_le32(1);
++	cfg->wmi_send_separate = __cpu_to_le32(0);
++	cfg->num_ocb_vdevs = __cpu_to_le32(0);
++	cfg->num_ocb_channels = __cpu_to_le32(0);
++	cfg->num_ocb_schedules = __cpu_to_le32(0);
++	cfg->host_capab = __cpu_to_le32(0);
+ 
+ 	ath10k_wmi_put_host_mem_chunks(ar, chunks);
+ 
+diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.h b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
+index ad655c44afdb..f5031f3965c5 100644
+--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.h
++++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
+@@ -1209,6 +1209,11 @@ struct wmi_tlv_resource_config {
+ 	__le32 keep_alive_pattern_size;
+ 	__le32 max_tdls_concurrent_sleep_sta;
+ 	__le32 max_tdls_concurrent_buffer_sta;
++	__le32 wmi_send_separate;
++	__le32 num_ocb_vdevs;
++	__le32 num_ocb_channels;
++	__le32 num_ocb_schedules;
++	__le32 host_capab;
+ } __packed;
+ 
+ struct wmi_tlv_init_cmd {
+diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
+index 5466246c69b4..b78a2f3745f2 100644
+--- a/drivers/scsi/3w-9xxx.c
++++ b/drivers/scsi/3w-9xxx.c
+@@ -2045,6 +2045,7 @@ static int twa_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id)
+ 
+ 	if (twa_initialize_device_extension(tw_dev)) {
+ 		TW_PRINTK(tw_dev->host, TW_DRIVER, 0x25, "Failed to initialize device extension");
++		retval = -ENOMEM;
+ 		goto out_free_device_extension;
+ 	}
+ 
+@@ -2067,6 +2068,7 @@ static int twa_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id)
+ 	tw_dev->base_addr = ioremap(mem_addr, mem_len);
+ 	if (!tw_dev->base_addr) {
+ 		TW_PRINTK(tw_dev->host, TW_DRIVER, 0x35, "Failed to ioremap");
++		retval = -ENOMEM;
+ 		goto out_release_mem_region;
+ 	}
+ 
+@@ -2074,8 +2076,10 @@ static int twa_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id)
+ 	TW_DISABLE_INTERRUPTS(tw_dev);
+ 
+ 	/* Initialize the card */
+-	if (twa_reset_sequence(tw_dev, 0))
++	if (twa_reset_sequence(tw_dev, 0)) {
++		retval = -ENOMEM;
+ 		goto out_iounmap;
++	}
+ 
+ 	/* Set host specific parameters */
+ 	if ((pdev->device == PCI_DEVICE_ID_3WARE_9650SE) ||
+diff --git a/drivers/scsi/3w-sas.c b/drivers/scsi/3w-sas.c
+index f8374850f714..f0a5536a9ff5 100644
+--- a/drivers/scsi/3w-sas.c
++++ b/drivers/scsi/3w-sas.c
+@@ -1600,6 +1600,7 @@ static int twl_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id)
+ 
+ 	if (twl_initialize_device_extension(tw_dev)) {
+ 		TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1a, "Failed to initialize device extension");
++		retval = -ENOMEM;
+ 		goto out_free_device_extension;
+ 	}
+ 
+@@ -1614,6 +1615,7 @@ static int twl_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id)
+ 	tw_dev->base_addr = pci_iomap(pdev, 1, 0);
+ 	if (!tw_dev->base_addr) {
+ 		TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1c, "Failed to ioremap");
++		retval = -ENOMEM;
+ 		goto out_release_mem_region;
+ 	}
+ 
+@@ -1623,6 +1625,7 @@ static int twl_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id)
+ 	/* Initialize the card */
+ 	if (twl_reset_sequence(tw_dev, 0)) {
+ 		TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1d, "Controller reset failed during probe");
++		retval = -ENOMEM;
+ 		goto out_iounmap;
+ 	}
+ 
+diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
+index 14af38036287..308a4206b636 100644
+--- a/drivers/scsi/3w-xxxx.c
++++ b/drivers/scsi/3w-xxxx.c
+@@ -2278,6 +2278,7 @@ static int tw_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id)
+ 
+ 	if (tw_initialize_device_extension(tw_dev)) {
+ 		printk(KERN_WARNING "3w-xxxx: Failed to initialize device extension.");
++		retval = -ENOMEM;
+ 		goto out_free_device_extension;
+ 	}
+ 
+@@ -2292,6 +2293,7 @@ static int tw_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id)
+ 	tw_dev->base_addr = pci_resource_start(pdev, 0);
+ 	if (!tw_dev->base_addr) {
+ 		printk(KERN_WARNING "3w-xxxx: Failed to get io address.");
++		retval = -ENOMEM;
+ 		goto out_release_mem_region;
+ 	}
+ 
+diff --git a/drivers/staging/rts5208/rtsx_scsi.c b/drivers/staging/rts5208/rtsx_scsi.c
+index 12a3893b98fd..ade29c4295b7 100644
+--- a/drivers/staging/rts5208/rtsx_scsi.c
++++ b/drivers/staging/rts5208/rtsx_scsi.c
+@@ -536,7 +536,7 @@ static int inquiry(struct scsi_cmnd *srb, struct rtsx_chip *chip)
+ 
+ 	if (sendbytes > 8) {
+ 		memcpy(buf, inquiry_buf, 8);
+-		memcpy(buf + 8, inquiry_string,	sendbytes - 8);
++		strncpy(buf + 8, inquiry_string, sendbytes - 8);
+ 		if (pro_formatter_flag) {
+ 			/* Additional Length */
+ 			buf[4] = 0x33;
+diff --git a/drivers/staging/rts5208/xd.c b/drivers/staging/rts5208/xd.c
+index 10fea7bb8f30..3db4a2570b19 100644
+--- a/drivers/staging/rts5208/xd.c
++++ b/drivers/staging/rts5208/xd.c
+@@ -1252,7 +1252,7 @@ static int xd_copy_page(struct rtsx_chip *chip, u32 old_blk, u32 new_blk,
+ 			reg = 0;
+ 			rtsx_read_register(chip, XD_CTL, &reg);
+ 			if (reg & (XD_ECC1_ERROR | XD_ECC2_ERROR)) {
+-				wait_timeout(100);
++				mdelay(100);
+ 
+ 				if (detect_card_cd(chip,
+ 					XD_CARD) != STATUS_SUCCESS) {
+diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
+index 21f888ac550e..7199bac67333 100644
+--- a/drivers/target/target_core_transport.c
++++ b/drivers/target/target_core_transport.c
+@@ -306,6 +306,7 @@ void __transport_register_session(
+ {
+ 	const struct target_core_fabric_ops *tfo = se_tpg->se_tpg_tfo;
+ 	unsigned char buf[PR_REG_ISID_LEN];
++	unsigned long flags;
+ 
+ 	se_sess->se_tpg = se_tpg;
+ 	se_sess->fabric_sess_ptr = fabric_sess_ptr;
+@@ -342,7 +343,7 @@ void __transport_register_session(
+ 			se_sess->sess_bin_isid = get_unaligned_be64(&buf[0]);
+ 		}
+ 
+-		spin_lock_irq(&se_nacl->nacl_sess_lock);
++		spin_lock_irqsave(&se_nacl->nacl_sess_lock, flags);
+ 		/*
+ 		 * The se_nacl->nacl_sess pointer will be set to the
+ 		 * last active I_T Nexus for each struct se_node_acl.
+@@ -351,7 +352,7 @@ void __transport_register_session(
+ 
+ 		list_add_tail(&se_sess->sess_acl_list,
+ 			      &se_nacl->acl_sess_list);
+-		spin_unlock_irq(&se_nacl->nacl_sess_lock);
++		spin_unlock_irqrestore(&se_nacl->nacl_sess_lock, flags);
+ 	}
+ 	list_add_tail(&se_sess->sess_list, &se_tpg->tpg_sess_list);
+ 
+diff --git a/drivers/tty/rocket.c b/drivers/tty/rocket.c
+index 802eac7e561b..2b8f2e0a4224 100644
+--- a/drivers/tty/rocket.c
++++ b/drivers/tty/rocket.c
+@@ -1915,7 +1915,7 @@ static __init int register_PCI(int i, struct pci_dev *dev)
+ 	ByteIO_t UPCIRingInd = 0;
+ 
+ 	if (!dev || !pci_match_id(rocket_pci_ids, dev) ||
+-	    pci_enable_device(dev))
++	    pci_enable_device(dev) || i >= NUM_BOARDS)
+ 		return 0;
+ 
+ 	rcktpt_io_addr[i] = pci_resource_start(dev, 0);
+diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
+index bcc1fc027311..b9823eb9c195 100644
+--- a/drivers/uio/uio.c
++++ b/drivers/uio/uio.c
+@@ -833,8 +833,6 @@ int __uio_register_device(struct module *owner,
+ 	if (ret)
+ 		goto err_uio_dev_add_attributes;
+ 
+-	info->uio_dev = idev;
+-
+ 	if (info->irq && (info->irq != UIO_IRQ_CUSTOM)) {
+ 		/*
+ 		 * Note that we deliberately don't use devm_request_irq
+@@ -850,6 +848,7 @@ int __uio_register_device(struct module *owner,
+ 			goto err_request_irq;
+ 	}
+ 
++	info->uio_dev = idev;
+ 	return 0;
+ 
+ err_request_irq:
+diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
+index 128a3c0a9286..9dbf1583bd7a 100644
+--- a/drivers/usb/host/xhci.c
++++ b/drivers/usb/host/xhci.c
+@@ -3675,6 +3675,9 @@ void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev)
+ 	}
+ 
+ 	spin_lock_irqsave(&xhci->lock, flags);
++
++	virt_dev->udev = NULL;
++
+ 	/* Don't disable the slot if the host controller is dead. */
+ 	state = readl(&xhci->op_regs->status);
+ 	if (state == 0xffffffff || (xhci->xhc_state & XHCI_STATE_DYING) ||
+diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h
+index 502d3892d8a4..d71e7ad4d382 100644
+--- a/fs/autofs4/autofs_i.h
++++ b/fs/autofs4/autofs_i.h
+@@ -18,6 +18,7 @@
+ #include <linux/mutex.h>
+ #include <linux/spinlock.h>
+ #include <linux/list.h>
++#include <linux/magic.h>
+ 
+ /* This is the range of ioctl() numbers we claim as ours */
+ #define AUTOFS_IOC_FIRST     AUTOFS_IOC_READY
+@@ -135,7 +136,8 @@ struct autofs_sb_info {
+ 
+ static inline struct autofs_sb_info *autofs4_sbi(struct super_block *sb)
+ {
+-	return (struct autofs_sb_info *)(sb->s_fs_info);
++	return sb->s_magic != AUTOFS_SUPER_MAGIC ?
++		NULL : (struct autofs_sb_info *)(sb->s_fs_info);
+ }
+ 
+ static inline struct autofs_info *autofs4_dentry_ino(struct dentry *dentry)
+diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
+index a3ae0b2aeb5a..1132fe71b312 100644
+--- a/fs/autofs4/inode.c
++++ b/fs/autofs4/inode.c
+@@ -18,7 +18,6 @@
+ #include <linux/pagemap.h>
+ #include <linux/parser.h>
+ #include <linux/bitops.h>
+-#include <linux/magic.h>
+ #include "autofs_i.h"
+ #include <linux/module.h>
+ 
+diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
+index ee44d346ea44..bfa1d31f79aa 100644
+--- a/fs/f2fs/segment.h
++++ b/fs/f2fs/segment.h
+@@ -381,6 +381,8 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
+ 	if (test_and_clear_bit(segno, free_i->free_segmap)) {
+ 		free_i->free_segments++;
+ 
++		if (IS_CURSEC(sbi, secno))
++			goto skip_free;
+ 		next = find_next_bit(free_i->free_segmap,
+ 				start_segno + sbi->segs_per_sec, start_segno);
+ 		if (next >= start_segno + sbi->segs_per_sec) {
+@@ -388,6 +390,7 @@ static inline void __set_test_and_free(struct f2fs_sb_info *sbi,
+ 				free_i->free_sections++;
+ 		}
+ 	}
++skip_free:
+ 	spin_unlock(&free_i->segmap_lock);
+ }
+ 
+diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
+index 6cc67e1bbb41..2ffc53d0c9c7 100644
+--- a/fs/f2fs/super.c
++++ b/fs/f2fs/super.c
+@@ -1079,12 +1079,17 @@ static int sanity_check_ckpt(struct f2fs_sb_info *sbi)
+ 	struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
+ 	struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
+ 	unsigned int main_segs, blocks_per_seg;
++	unsigned int sit_segs, nat_segs;
++	unsigned int sit_bitmap_size, nat_bitmap_size;
++	unsigned int log_blocks_per_seg;
+ 	int i;
+ 
+ 	total = le32_to_cpu(raw_super->segment_count);
+ 	fsmeta = le32_to_cpu(raw_super->segment_count_ckpt);
+-	fsmeta += le32_to_cpu(raw_super->segment_count_sit);
+-	fsmeta += le32_to_cpu(raw_super->segment_count_nat);
++	sit_segs = le32_to_cpu(raw_super->segment_count_sit);
++	fsmeta += sit_segs;
++	nat_segs = le32_to_cpu(raw_super->segment_count_nat);
++	fsmeta += nat_segs;
+ 	fsmeta += le32_to_cpu(ckpt->rsvd_segment_count);
+ 	fsmeta += le32_to_cpu(raw_super->segment_count_ssa);
+ 
+@@ -1105,6 +1110,18 @@ static int sanity_check_ckpt(struct f2fs_sb_info *sbi)
+ 			return 1;
+ 	}
+ 
++	sit_bitmap_size = le32_to_cpu(ckpt->sit_ver_bitmap_bytesize);
++	nat_bitmap_size = le32_to_cpu(ckpt->nat_ver_bitmap_bytesize);
++	log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg);
++
++	if (sit_bitmap_size != ((sit_segs / 2) << log_blocks_per_seg) / 8 ||
++		nat_bitmap_size != ((nat_segs / 2) << log_blocks_per_seg) / 8) {
++		f2fs_msg(sbi->sb, KERN_ERR,
++			"Wrong bitmap size: sit: %u, nat:%u",
++			sit_bitmap_size, nat_bitmap_size);
++		return 1;
++	}
++
+ 	if (unlikely(f2fs_cp_error(sbi))) {
+ 		f2fs_msg(sbi->sb, KERN_ERR, "A bug case: need to run fsck");
+ 		return 1;
+diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
+index e2e857affbf2..0647cb1ede56 100644
+--- a/fs/nfs/callback_xdr.c
++++ b/fs/nfs/callback_xdr.c
+@@ -911,16 +911,21 @@ static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *r
+ 
+ 	if (hdr_arg.minorversion == 0) {
+ 		cps.clp = nfs4_find_client_ident(SVC_NET(rqstp), hdr_arg.cb_ident);
+-		if (!cps.clp || !check_gss_callback_principal(cps.clp, rqstp))
++		if (!cps.clp || !check_gss_callback_principal(cps.clp, rqstp)) {
++			if (cps.clp)
++				nfs_put_client(cps.clp);
+ 			goto out_invalidcred;
++		}
+ 	}
+ 
+ 	cps.minorversion = hdr_arg.minorversion;
+ 	hdr_res.taglen = hdr_arg.taglen;
+ 	hdr_res.tag = hdr_arg.tag;
+-	if (encode_compound_hdr_res(&xdr_out, &hdr_res) != 0)
++	if (encode_compound_hdr_res(&xdr_out, &hdr_res) != 0) {
++		if (cps.clp)
++			nfs_put_client(cps.clp);
+ 		return rpc_system_err;
+-
++	}
+ 	while (status == 0 && nops != hdr_arg.nops) {
+ 		status = process_op(nops, rqstp, &xdr_in,
+ 				    argp, &xdr_out, resp, &cps);
+diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
+index 36f4695aa604..ad2a081bac66 100644
+--- a/include/linux/mm_types.h
++++ b/include/linux/mm_types.h
+@@ -392,7 +392,7 @@ struct kioctx_table;
+ struct mm_struct {
+ 	struct vm_area_struct *mmap;		/* list of VMAs */
+ 	struct rb_root mm_rb;
+-	u32 vmacache_seqnum;                   /* per-thread vmacache */
++	u64 vmacache_seqnum;                   /* per-thread vmacache */
+ #ifdef CONFIG_MMU
+ 	unsigned long (*get_unmapped_area) (struct file *filp,
+ 				unsigned long addr, unsigned long len,
+diff --git a/include/linux/sched.h b/include/linux/sched.h
+index 725498cc5d30..b30540d6d125 100644
+--- a/include/linux/sched.h
++++ b/include/linux/sched.h
+@@ -1454,7 +1454,7 @@ struct task_struct {
+ 
+ 	struct mm_struct *mm, *active_mm;
+ 	/* per-thread vma caching */
+-	u32 vmacache_seqnum;
++	u64 vmacache_seqnum;
+ 	struct vm_area_struct *vmacache[VMACACHE_SIZE];
+ #if defined(SPLIT_RSS_COUNTING)
+ 	struct task_rss_stat	rss_stat;
+diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h
+index 8ef3a61fdc74..fdac5800872d 100644
+--- a/include/linux/vm_event_item.h
++++ b/include/linux/vm_event_item.h
+@@ -88,7 +88,6 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
+ #ifdef CONFIG_DEBUG_VM_VMACACHE
+ 		VMACACHE_FIND_CALLS,
+ 		VMACACHE_FIND_HITS,
+-		VMACACHE_FULL_FLUSHES,
+ #endif
+ 		NR_VM_EVENT_ITEMS
+ };
+diff --git a/include/linux/vmacache.h b/include/linux/vmacache.h
+index c3fa0fd43949..4f58ff2dacd6 100644
+--- a/include/linux/vmacache.h
++++ b/include/linux/vmacache.h
+@@ -15,7 +15,6 @@ static inline void vmacache_flush(struct task_struct *tsk)
+ 	memset(tsk->vmacache, 0, sizeof(tsk->vmacache));
+ }
+ 
+-extern void vmacache_flush_all(struct mm_struct *mm);
+ extern void vmacache_update(unsigned long addr, struct vm_area_struct *newvma);
+ extern struct vm_area_struct *vmacache_find(struct mm_struct *mm,
+ 						    unsigned long addr);
+@@ -29,10 +28,6 @@ extern struct vm_area_struct *vmacache_find_exact(struct mm_struct *mm,
+ static inline void vmacache_invalidate(struct mm_struct *mm)
+ {
+ 	mm->vmacache_seqnum++;
+-
+-	/* deal with overflows */
+-	if (unlikely(mm->vmacache_seqnum == 0))
+-		vmacache_flush_all(mm);
+ }
+ 
+ #endif /* __LINUX_VMACACHE_H */
+diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
+index cd1629170103..08f47e0e9f8d 100644
+--- a/include/uapi/linux/ethtool.h
++++ b/include/uapi/linux/ethtool.h
+@@ -819,13 +819,13 @@ struct ethtool_rx_flow_spec {
+ static inline __u64 ethtool_get_flow_spec_ring(__u64 ring_cookie)
+ {
+ 	return ETHTOOL_RX_FLOW_SPEC_RING & ring_cookie;
+-};
++}
+ 
+ static inline __u64 ethtool_get_flow_spec_ring_vf(__u64 ring_cookie)
+ {
+ 	return (ETHTOOL_RX_FLOW_SPEC_RING_VF & ring_cookie) >>
+ 				ETHTOOL_RX_FLOW_SPEC_RING_VF_OFF;
+-};
++}
+ 
+ /**
+  * struct ethtool_rxnfc - command to get or set RX flow classification rules
+diff --git a/kernel/fork.c b/kernel/fork.c
+index 37ec96fe739d..dd2f79ac0771 100644
+--- a/kernel/fork.c
++++ b/kernel/fork.c
+@@ -1337,6 +1337,18 @@ static struct task_struct *copy_process(unsigned long clone_flags,
+ 	if (!p)
+ 		goto fork_out;
+ 
++	/*
++	 * This _must_ happen before we call free_task(), i.e. before we jump
++	 * to any of the bad_fork_* labels. This is to avoid freeing
++	 * p->set_child_tid which is (ab)used as a kthread's data pointer for
++	 * kernel threads (PF_KTHREAD).
++	 */
++	p->set_child_tid = (clone_flags & CLONE_CHILD_SETTID) ? child_tidptr : NULL;
++	/*
++	 * Clear TID on mm_release()?
++	 */
++	p->clear_child_tid = (clone_flags & CLONE_CHILD_CLEARTID) ? child_tidptr : NULL;
++
+ 	ftrace_graph_init_task(p);
+ 
+ 	rt_mutex_init_task(p);
+@@ -1498,11 +1510,6 @@ static struct task_struct *copy_process(unsigned long clone_flags,
+ 		}
+ 	}
+ 
+-	p->set_child_tid = (clone_flags & CLONE_CHILD_SETTID) ? child_tidptr : NULL;
+-	/*
+-	 * Clear TID on mm_release()?
+-	 */
+-	p->clear_child_tid = (clone_flags & CLONE_CHILD_CLEARTID) ? child_tidptr : NULL;
+ #ifdef CONFIG_BLOCK
+ 	p->plug = NULL;
+ #endif
+diff --git a/kernel/locking/osq_lock.c b/kernel/locking/osq_lock.c
+index 05a37857ab55..8d7047ecef4e 100644
+--- a/kernel/locking/osq_lock.c
++++ b/kernel/locking/osq_lock.c
+@@ -104,6 +104,19 @@ bool osq_lock(struct optimistic_spin_queue *lock)
+ 
+ 	prev = decode_cpu(old);
+ 	node->prev = prev;
++
++	/*
++	 * osq_lock()			unqueue
++	 *
++	 * node->prev = prev		osq_wait_next()
++	 * WMB				MB
++	 * prev->next = node		next->prev = prev // unqueue-C
++	 *
++	 * Here 'node->prev' and 'next->prev' are the same variable and we need
++	 * to ensure these stores happen in-order to avoid corrupting the list.
++	 */
++	smp_wmb();
++
+ 	WRITE_ONCE(prev->next, node);
+ 
+ 	/*
+diff --git a/kernel/locking/rwsem-xadd.c b/kernel/locking/rwsem-xadd.c
+index a4d4de05b2d1..1be33caf157d 100644
+--- a/kernel/locking/rwsem-xadd.c
++++ b/kernel/locking/rwsem-xadd.c
+@@ -510,6 +510,33 @@ struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem)
+ {
+ 	unsigned long flags;
+ 
++	/*
++	* __rwsem_down_write_failed_common(sem)
++	*   rwsem_optimistic_spin(sem)
++	*     osq_unlock(sem->osq)
++	*   ...
++	*   atomic_long_add_return(&sem->count)
++	*
++	*      - VS -
++	*
++	*              __up_write()
++	*                if (atomic_long_sub_return_release(&sem->count) < 0)
++	*                  rwsem_wake(sem)
++	*                    osq_is_locked(&sem->osq)
++	*
++	* And __up_write() must observe !osq_is_locked() when it observes the
++	* atomic_long_add_return() in order to not miss a wakeup.
++	*
++	* This boils down to:
++	*
++	* [S.rel] X = 1                [RmW] r0 = (Y += 0)
++	*         MB                         RMB
++	* [RmW]   Y += 1               [L]   r1 = X
++	*
++	* exists (r0=1 /\ r1=0)
++	*/
++	smp_rmb();
++
+ 	/*
+ 	 * If a spinner is present, it is not necessary to do the wakeup.
+ 	 * Try to do wakeup only if the trylock succeeds to minimize
+diff --git a/mm/debug.c b/mm/debug.c
+index 668aa35191ca..689b6e911cae 100644
+--- a/mm/debug.c
++++ b/mm/debug.c
+@@ -168,7 +168,7 @@ EXPORT_SYMBOL(dump_vma);
+ 
+ void dump_mm(const struct mm_struct *mm)
+ {
+-	pr_emerg("mm %p mmap %p seqnum %d task_size %lu\n"
++	pr_emerg("mm %p mmap %p seqnum %llu task_size %lu\n"
+ #ifdef CONFIG_MMU
+ 		"get_unmapped_area %p\n"
+ #endif
+@@ -198,7 +198,7 @@ void dump_mm(const struct mm_struct *mm)
+ #endif
+ 		"%s",	/* This is here to hold the comma */
+ 
+-		mm, mm->mmap, mm->vmacache_seqnum, mm->task_size,
++		mm, mm->mmap, (long long) mm->vmacache_seqnum, mm->task_size,
+ #ifdef CONFIG_MMU
+ 		mm->get_unmapped_area,
+ #endif
+diff --git a/mm/vmacache.c b/mm/vmacache.c
+index fd09dc9c6812..9c8ff3d4eda9 100644
+--- a/mm/vmacache.c
++++ b/mm/vmacache.c
+@@ -5,44 +5,6 @@
+ #include <linux/mm.h>
+ #include <linux/vmacache.h>
+ 
+-/*
+- * Flush vma caches for threads that share a given mm.
+- *
+- * The operation is safe because the caller holds the mmap_sem
+- * exclusively and other threads accessing the vma cache will
+- * have mmap_sem held at least for read, so no extra locking
+- * is required to maintain the vma cache.
+- */
+-void vmacache_flush_all(struct mm_struct *mm)
+-{
+-	struct task_struct *g, *p;
+-
+-	count_vm_vmacache_event(VMACACHE_FULL_FLUSHES);
+-
+-	/*
+-	 * Single threaded tasks need not iterate the entire
+-	 * list of process. We can avoid the flushing as well
+-	 * since the mm's seqnum was increased and don't have
+-	 * to worry about other threads' seqnum. Current's
+-	 * flush will occur upon the next lookup.
+-	 */
+-	if (atomic_read(&mm->mm_users) == 1)
+-		return;
+-
+-	rcu_read_lock();
+-	for_each_process_thread(g, p) {
+-		/*
+-		 * Only flush the vmacache pointers as the
+-		 * mm seqnum is already set and curr's will
+-		 * be set upon invalidation when the next
+-		 * lookup is done.
+-		 */
+-		if (mm == p->mm)
+-			vmacache_flush(p);
+-	}
+-	rcu_read_unlock();
+-}
+-
+ /*
+  * This task may be accessing a foreign mm via (for example)
+  * get_user_pages()->find_vma().  The vmacache is task-local and this
+diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
+index 1811f8e7ddf4..552e00b07196 100644
+--- a/net/bluetooth/hidp/core.c
++++ b/net/bluetooth/hidp/core.c
+@@ -774,7 +774,7 @@ static int hidp_setup_hid(struct hidp_session *session,
+ 	hid->version = req->version;
+ 	hid->country = req->country;
+ 
+-	strncpy(hid->name, req->name, sizeof(req->name) - 1);
++	strncpy(hid->name, req->name, sizeof(hid->name));
+ 
+ 	snprintf(hid->phys, sizeof(hid->phys), "%pMR",
+ 		 &l2cap_pi(session->ctrl_sock->sk)->chan->src);
+diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
+index 4f6c1862dfd2..6fe2b615518c 100644
+--- a/net/dcb/dcbnl.c
++++ b/net/dcb/dcbnl.c
+@@ -1763,7 +1763,7 @@ static struct dcb_app_type *dcb_app_lookup(const struct dcb_app *app,
+ 		if (itr->app.selector == app->selector &&
+ 		    itr->app.protocol == app->protocol &&
+ 		    itr->ifindex == ifindex &&
+-		    (!prio || itr->app.priority == prio))
++		    ((prio == -1) || itr->app.priority == prio))
+ 			return itr;
+ 	}
+ 
+@@ -1798,7 +1798,8 @@ u8 dcb_getapp(struct net_device *dev, struct dcb_app *app)
+ 	u8 prio = 0;
+ 
+ 	spin_lock_bh(&dcb_lock);
+-	if ((itr = dcb_app_lookup(app, dev->ifindex, 0)))
++	itr = dcb_app_lookup(app, dev->ifindex, -1);
++	if (itr)
+ 		prio = itr->app.priority;
+ 	spin_unlock_bh(&dcb_lock);
+ 
+@@ -1826,7 +1827,8 @@ int dcb_setapp(struct net_device *dev, struct dcb_app *new)
+ 
+ 	spin_lock_bh(&dcb_lock);
+ 	/* Search for existing match and replace */
+-	if ((itr = dcb_app_lookup(new, dev->ifindex, 0))) {
++	itr = dcb_app_lookup(new, dev->ifindex, -1);
++	if (itr) {
+ 		if (new->priority)
+ 			itr->app.priority = new->priority;
+ 		else {
+@@ -1859,7 +1861,8 @@ u8 dcb_ieee_getapp_mask(struct net_device *dev, struct dcb_app *app)
+ 	u8 prio = 0;
+ 
+ 	spin_lock_bh(&dcb_lock);
+-	if ((itr = dcb_app_lookup(app, dev->ifindex, 0)))
++	itr = dcb_app_lookup(app, dev->ifindex, -1);
++	if (itr)
+ 		prio |= 1 << itr->app.priority;
+ 	spin_unlock_bh(&dcb_lock);
+ 
+diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
+index 1f3c305df45d..b6e72af15237 100644
+--- a/net/netfilter/x_tables.c
++++ b/net/netfilter/x_tables.c
+@@ -876,7 +876,7 @@ void *xt_copy_counters_from_user(const void __user *user, unsigned int len,
+ 		if (copy_from_user(&compat_tmp, user, sizeof(compat_tmp)) != 0)
+ 			return ERR_PTR(-EFAULT);
+ 
+-		strlcpy(info->name, compat_tmp.name, sizeof(info->name));
++		memcpy(info->name, compat_tmp.name, sizeof(info->name) - 1);
+ 		info->num_counters = compat_tmp.num_counters;
+ 		user += sizeof(compat_tmp);
+ 	} else
+@@ -889,9 +889,9 @@ void *xt_copy_counters_from_user(const void __user *user, unsigned int len,
+ 		if (copy_from_user(info, user, sizeof(*info)) != 0)
+ 			return ERR_PTR(-EFAULT);
+ 
+-		info->name[sizeof(info->name) - 1] = '\0';
+ 		user += sizeof(*info);
+ 	}
++	info->name[sizeof(info->name) - 1] = '\0';
+ 
+ 	size = sizeof(struct xt_counters);
+ 	size *= info->num_counters;
+diff --git a/security/selinux/avc.c b/security/selinux/avc.c
+index e60c79de13e1..52f3c550abcc 100644
+--- a/security/selinux/avc.c
++++ b/security/selinux/avc.c
+@@ -348,27 +348,26 @@ static struct avc_xperms_decision_node
+ 	struct avc_xperms_decision_node *xpd_node;
+ 	struct extended_perms_decision *xpd;
+ 
+-	xpd_node = kmem_cache_zalloc(avc_xperms_decision_cachep,
+-				GFP_ATOMIC | __GFP_NOMEMALLOC);
++	xpd_node = kmem_cache_zalloc(avc_xperms_decision_cachep, GFP_NOWAIT);
+ 	if (!xpd_node)
+ 		return NULL;
+ 
+ 	xpd = &xpd_node->xpd;
+ 	if (which & XPERMS_ALLOWED) {
+ 		xpd->allowed = kmem_cache_zalloc(avc_xperms_data_cachep,
+-						GFP_ATOMIC | __GFP_NOMEMALLOC);
++						GFP_NOWAIT);
+ 		if (!xpd->allowed)
+ 			goto error;
+ 	}
+ 	if (which & XPERMS_AUDITALLOW) {
+ 		xpd->auditallow = kmem_cache_zalloc(avc_xperms_data_cachep,
+-						GFP_ATOMIC | __GFP_NOMEMALLOC);
++						GFP_NOWAIT);
+ 		if (!xpd->auditallow)
+ 			goto error;
+ 	}
+ 	if (which & XPERMS_DONTAUDIT) {
+ 		xpd->dontaudit = kmem_cache_zalloc(avc_xperms_data_cachep,
+-						GFP_ATOMIC | __GFP_NOMEMALLOC);
++						GFP_NOWAIT);
+ 		if (!xpd->dontaudit)
+ 			goto error;
+ 	}
+@@ -396,8 +395,7 @@ static struct avc_xperms_node *avc_xperms_alloc(void)
+ {
+ 	struct avc_xperms_node *xp_node;
+ 
+-	xp_node = kmem_cache_zalloc(avc_xperms_cachep,
+-				GFP_ATOMIC|__GFP_NOMEMALLOC);
++	xp_node = kmem_cache_zalloc(avc_xperms_cachep, GFP_NOWAIT);
+ 	if (!xp_node)
+ 		return xp_node;
+ 	INIT_LIST_HEAD(&xp_node->xpd_head);
+@@ -550,7 +548,7 @@ static struct avc_node *avc_alloc_node(void)
+ {
+ 	struct avc_node *node;
+ 
+-	node = kmem_cache_zalloc(avc_node_cachep, GFP_ATOMIC|__GFP_NOMEMALLOC);
++	node = kmem_cache_zalloc(avc_node_cachep, GFP_NOWAIT);
+ 	if (!node)
+ 		goto out;
+ 
+diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
+index 3324f98c35f6..f6d4a1046e54 100644
+--- a/sound/pci/hda/hda_codec.c
++++ b/sound/pci/hda/hda_codec.c
+@@ -4019,7 +4019,8 @@ void snd_hda_bus_reset_codecs(struct hda_bus *bus)
+ 
+ 	list_for_each_codec(codec, bus) {
+ 		/* FIXME: maybe a better way needed for forced reset */
+-		cancel_delayed_work_sync(&codec->jackpoll_work);
++		if (current_work() != &codec->jackpoll_work.work)
++			cancel_delayed_work_sync(&codec->jackpoll_work);
+ #ifdef CONFIG_PM
+ 		if (hda_codec_is_power_on(codec)) {
+ 			hda_call_codec_suspend(codec);
+diff --git a/tools/perf/perf.h b/tools/perf/perf.h
+index 90129accffbe..4341ed267d4e 100644
+--- a/tools/perf/perf.h
++++ b/tools/perf/perf.h
+@@ -29,7 +29,9 @@ static inline unsigned long long rdclock(void)
+ 	return ts.tv_sec * 1000000000ULL + ts.tv_nsec;
+ }
+ 
++#ifndef MAX_NR_CPUS
+ #define MAX_NR_CPUS			1024
++#endif
+ 
+ extern const char *input_name;
+ extern bool perf_host, perf_guest;