[gentoo-commits] proj/linux-patches:4.9 commit in: /

[Mike Pagano]

commit:     30030103dd1826abf4c3dbb3f9c6ba981a93dbfa
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Wed Aug 30 10:06:33 2017 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Wed Aug 30 10:06:33 2017 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=30030103

Linux patch 4.9.46

 0000_README             |    4 +
 1045_linux-4.9.46.patch | 3114 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 3118 insertions(+)

diff --git a/0000_README b/0000_README
index e142b57..9af1e8a 100644
--- a/0000_README
+++ b/0000_README
@@ -223,6 +223,10 @@ Patch:  1044_linux-4.9.45.patch
 From:   http://www.kernel.org
 Desc:   Linux 4.9.45
 
+Patch:  1045_linux-4.9.46.patch
+From:   http://www.kernel.org
+Desc:   Linux 4.9.46
+
 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/1045_linux-4.9.46.patch b/1045_linux-4.9.46.patch
new file mode 100644
index 0000000..72e724f
--- /dev/null
+++ b/1045_linux-4.9.46.patch
@@ -0,0 +1,3114 @@
+diff --git a/Makefile b/Makefile
+index ccd6d91f616e..846ef1b57a02 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 9
+-SUBLEVEL = 45
++SUBLEVEL = 46
+ EXTRAVERSION =
+ NAME = Roaring Lionus
+ 
+diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h
+index b3410ff6a62d..4fd6272e6c01 100644
+--- a/arch/arc/include/asm/cache.h
++++ b/arch/arc/include/asm/cache.h
+@@ -89,7 +89,9 @@ extern unsigned long perip_base, perip_end;
+ #define ARC_REG_SLC_FLUSH	0x904
+ #define ARC_REG_SLC_INVALIDATE	0x905
+ #define ARC_REG_SLC_RGN_START	0x914
++#define ARC_REG_SLC_RGN_START1	0x915
+ #define ARC_REG_SLC_RGN_END	0x916
++#define ARC_REG_SLC_RGN_END1	0x917
+ 
+ /* Bit val in SLC_CONTROL */
+ #define SLC_CTRL_IM		0x040
+diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c
+index 8147583c4434..bbdfeb31dee6 100644
+--- a/arch/arc/mm/cache.c
++++ b/arch/arc/mm/cache.c
+@@ -562,6 +562,7 @@ noinline void slc_op(phys_addr_t paddr, unsigned long sz, const int op)
+ 	static DEFINE_SPINLOCK(lock);
+ 	unsigned long flags;
+ 	unsigned int ctrl;
++	phys_addr_t end;
+ 
+ 	spin_lock_irqsave(&lock, flags);
+ 
+@@ -591,8 +592,16 @@ noinline void slc_op(phys_addr_t paddr, unsigned long sz, const int op)
+ 	 * END needs to be setup before START (latter triggers the operation)
+ 	 * END can't be same as START, so add (l2_line_sz - 1) to sz
+ 	 */
+-	write_aux_reg(ARC_REG_SLC_RGN_END, (paddr + sz + l2_line_sz - 1));
+-	write_aux_reg(ARC_REG_SLC_RGN_START, paddr);
++	end = paddr + sz + l2_line_sz - 1;
++	if (is_pae40_enabled())
++		write_aux_reg(ARC_REG_SLC_RGN_END1, upper_32_bits(end));
++
++	write_aux_reg(ARC_REG_SLC_RGN_END, lower_32_bits(end));
++
++	if (is_pae40_enabled())
++		write_aux_reg(ARC_REG_SLC_RGN_START1, upper_32_bits(paddr));
++
++	write_aux_reg(ARC_REG_SLC_RGN_START, lower_32_bits(paddr));
+ 
+ 	while (read_aux_reg(ARC_REG_SLC_CTRL) & SLC_CTRL_BUSY);
+ 
+diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h
+index 0012f0353fd6..fe208b70b8b1 100644
+--- a/arch/powerpc/include/asm/mmu_context.h
++++ b/arch/powerpc/include/asm/mmu_context.h
+@@ -75,9 +75,27 @@ static inline void switch_mm_irqs_off(struct mm_struct *prev,
+ 				      struct task_struct *tsk)
+ {
+ 	/* Mark this context has been used on the new CPU */
+-	if (!cpumask_test_cpu(smp_processor_id(), mm_cpumask(next)))
++	if (!cpumask_test_cpu(smp_processor_id(), mm_cpumask(next))) {
+ 		cpumask_set_cpu(smp_processor_id(), mm_cpumask(next));
+ 
++		/*
++		 * This full barrier orders the store to the cpumask above vs
++		 * a subsequent operation which allows this CPU to begin loading
++		 * translations for next.
++		 *
++		 * When using the radix MMU that operation is the load of the
++		 * MMU context id, which is then moved to SPRN_PID.
++		 *
++		 * For the hash MMU it is either the first load from slb_cache
++		 * in switch_slb(), and/or the store of paca->mm_ctx_id in
++		 * copy_mm_to_paca().
++		 *
++		 * On the read side the barrier is in pte_xchg(), which orders
++		 * the store to the PTE vs the load of mm_cpumask.
++		 */
++		smp_mb();
++	}
++
+ 	/* 32-bit keeps track of the current PGDIR in the thread struct */
+ #ifdef CONFIG_PPC32
+ 	tsk->thread.pgdir = next->pgd;
+diff --git a/arch/powerpc/include/asm/pgtable-be-types.h b/arch/powerpc/include/asm/pgtable-be-types.h
+index 49c0a5a80efa..68e087e807f8 100644
+--- a/arch/powerpc/include/asm/pgtable-be-types.h
++++ b/arch/powerpc/include/asm/pgtable-be-types.h
+@@ -87,6 +87,7 @@ static inline bool pte_xchg(pte_t *ptep, pte_t old, pte_t new)
+ 	unsigned long *p = (unsigned long *)ptep;
+ 	__be64 prev;
+ 
++	/* See comment in switch_mm_irqs_off() */
+ 	prev = (__force __be64)__cmpxchg_u64(p, (__force unsigned long)pte_raw(old),
+ 					     (__force unsigned long)pte_raw(new));
+ 
+diff --git a/arch/powerpc/include/asm/pgtable-types.h b/arch/powerpc/include/asm/pgtable-types.h
+index e7f4f3e0fcde..41e9d0a6cbeb 100644
+--- a/arch/powerpc/include/asm/pgtable-types.h
++++ b/arch/powerpc/include/asm/pgtable-types.h
+@@ -62,6 +62,7 @@ static inline bool pte_xchg(pte_t *ptep, pte_t old, pte_t new)
+ {
+ 	unsigned long *p = (unsigned long *)ptep;
+ 
++	/* See comment in switch_mm_irqs_off() */
+ 	return pte_val(old) == __cmpxchg_u64(p, pte_val(old), pte_val(new));
+ }
+ #endif
+diff --git a/arch/s390/kvm/sthyi.c b/arch/s390/kvm/sthyi.c
+index 05c98bb853cf..2f04ad1ea01c 100644
+--- a/arch/s390/kvm/sthyi.c
++++ b/arch/s390/kvm/sthyi.c
+@@ -394,7 +394,7 @@ static int sthyi(u64 vaddr)
+ 		"srl     %[cc],28\n"
+ 		: [cc] "=d" (cc)
+ 		: [code] "d" (code), [addr] "a" (addr)
+-		: "memory", "cc");
++		: "3", "memory", "cc");
+ 	return cc;
+ }
+ 
+@@ -422,7 +422,7 @@ int handle_sthyi(struct kvm_vcpu *vcpu)
+ 	VCPU_EVENT(vcpu, 3, "STHYI: fc: %llu addr: 0x%016llx", code, addr);
+ 	trace_kvm_s390_handle_sthyi(vcpu, code, addr);
+ 
+-	if (reg1 == reg2 || reg1 & 1 || reg2 & 1 || addr & ~PAGE_MASK)
++	if (reg1 == reg2 || reg1 & 1 || reg2 & 1)
+ 		return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
+ 
+ 	if (code & 0xffff) {
+@@ -430,6 +430,9 @@ int handle_sthyi(struct kvm_vcpu *vcpu)
+ 		goto out;
+ 	}
+ 
++	if (addr & ~PAGE_MASK)
++		return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
++
+ 	/*
+ 	 * If the page has not yet been faulted in, we want to do that
+ 	 * now and not after all the expensive calculations.
+diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c
+index 06981cc716b6..d04111a5c615 100644
+--- a/arch/sparc/kernel/pci_sun4v.c
++++ b/arch/sparc/kernel/pci_sun4v.c
+@@ -1240,8 +1240,6 @@ static int pci_sun4v_probe(struct platform_device *op)
+ 			 * ATU group, but ATU hcalls won't be available.
+ 			 */
+ 			hv_atu = false;
+-			pr_err(PFX "Could not register hvapi ATU err=%d\n",
+-			       err);
+ 		} else {
+ 			pr_info(PFX "Registered hvapi ATU major[%lu] minor[%lu]\n",
+ 				vatu_major, vatu_minor);
+diff --git a/arch/x86/events/intel/rapl.c b/arch/x86/events/intel/rapl.c
+index 970c1de3b86e..4c1b7ea18541 100644
+--- a/arch/x86/events/intel/rapl.c
++++ b/arch/x86/events/intel/rapl.c
+@@ -161,7 +161,13 @@ static u64 rapl_timer_ms;
+ 
+ static inline struct rapl_pmu *cpu_to_rapl_pmu(unsigned int cpu)
+ {
+-	return rapl_pmus->pmus[topology_logical_package_id(cpu)];
++	unsigned int pkgid = topology_logical_package_id(cpu);
++
++	/*
++	 * The unsigned check also catches the '-1' return value for non
++	 * existent mappings in the topology map.
++	 */
++	return pkgid < rapl_pmus->maxpkg ? rapl_pmus->pmus[pkgid] : NULL;
+ }
+ 
+ static inline u64 rapl_read_counter(struct perf_event *event)
+@@ -402,6 +408,8 @@ static int rapl_pmu_event_init(struct perf_event *event)
+ 
+ 	/* must be done before validate_group */
+ 	pmu = cpu_to_rapl_pmu(event->cpu);
++	if (!pmu)
++		return -EINVAL;
+ 	event->cpu = pmu->cpu;
+ 	event->pmu_private = pmu;
+ 	event->hw.event_base = msr;
+@@ -585,6 +593,19 @@ static int rapl_cpu_online(unsigned int cpu)
+ 	struct rapl_pmu *pmu = cpu_to_rapl_pmu(cpu);
+ 	int target;
+ 
++	if (!pmu) {
++		pmu = kzalloc_node(sizeof(*pmu), GFP_KERNEL, cpu_to_node(cpu));
++		if (!pmu)
++			return -ENOMEM;
++
++		raw_spin_lock_init(&pmu->lock);
++		INIT_LIST_HEAD(&pmu->active_list);
++		pmu->pmu = &rapl_pmus->pmu;
++		pmu->timer_interval = ms_to_ktime(rapl_timer_ms);
++		rapl_hrtimer_init(pmu);
++
++		rapl_pmus->pmus[topology_logical_package_id(cpu)] = pmu;
++	}
+ 	/*
+ 	 * Check if there is an online cpu in the package which collects rapl
+ 	 * events already.
+@@ -598,27 +619,6 @@ static int rapl_cpu_online(unsigned int cpu)
+ 	return 0;
+ }
+ 
+-static int rapl_cpu_prepare(unsigned int cpu)
+-{
+-	struct rapl_pmu *pmu = cpu_to_rapl_pmu(cpu);
+-
+-	if (pmu)
+-		return 0;
+-
+-	pmu = kzalloc_node(sizeof(*pmu), GFP_KERNEL, cpu_to_node(cpu));
+-	if (!pmu)
+-		return -ENOMEM;
+-
+-	raw_spin_lock_init(&pmu->lock);
+-	INIT_LIST_HEAD(&pmu->active_list);
+-	pmu->pmu = &rapl_pmus->pmu;
+-	pmu->timer_interval = ms_to_ktime(rapl_timer_ms);
+-	pmu->cpu = -1;
+-	rapl_hrtimer_init(pmu);
+-	rapl_pmus->pmus[topology_logical_package_id(cpu)] = pmu;
+-	return 0;
+-}
+-
+ static int rapl_check_hw_unit(bool apply_quirk)
+ {
+ 	u64 msr_rapl_power_unit_bits;
+@@ -804,28 +804,21 @@ static int __init rapl_pmu_init(void)
+ 	 * Install callbacks. Core will call them for each online cpu.
+ 	 */
+ 
+-	ret = cpuhp_setup_state(CPUHP_PERF_X86_RAPL_PREP, "PERF_X86_RAPL_PREP",
+-				rapl_cpu_prepare, NULL);
+-	if (ret)
+-		goto out;
+-
+ 	ret = cpuhp_setup_state(CPUHP_AP_PERF_X86_RAPL_ONLINE,
+ 				"AP_PERF_X86_RAPL_ONLINE",
+ 				rapl_cpu_online, rapl_cpu_offline);
+ 	if (ret)
+-		goto out1;
++		goto out;
+ 
+ 	ret = perf_pmu_register(&rapl_pmus->pmu, "power", -1);
+ 	if (ret)
+-		goto out2;
++		goto out1;
+ 
+ 	rapl_advertise();
+ 	return 0;
+ 
+-out2:
+-	cpuhp_remove_state(CPUHP_AP_PERF_X86_RAPL_ONLINE);
+ out1:
+-	cpuhp_remove_state(CPUHP_PERF_X86_RAPL_PREP);
++	cpuhp_remove_state(CPUHP_AP_PERF_X86_RAPL_ONLINE);
+ out:
+ 	pr_warn("Initialization failed (%d), disabled\n", ret);
+ 	cleanup_rapl_pmus();
+@@ -836,7 +829,6 @@ module_init(rapl_pmu_init);
+ static void __exit intel_rapl_exit(void)
+ {
+ 	cpuhp_remove_state_nocalls(CPUHP_AP_PERF_X86_RAPL_ONLINE);
+-	cpuhp_remove_state_nocalls(CPUHP_PERF_X86_RAPL_PREP);
+ 	perf_pmu_unregister(&rapl_pmus->pmu);
+ 	cleanup_rapl_pmus();
+ }
+diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h
+index 8e0a9fe86de4..f9dd22469388 100644
+--- a/arch/x86/include/asm/mmu_context.h
++++ b/arch/x86/include/asm/mmu_context.h
+@@ -116,9 +116,7 @@ static inline int init_new_context(struct task_struct *tsk,
+ 		mm->context.execute_only_pkey = -1;
+ 	}
+ 	#endif
+-	init_new_context_ldt(tsk, mm);
+-
+-	return 0;
++	return init_new_context_ldt(tsk, mm);
+ }
+ static inline void destroy_context(struct mm_struct *mm)
+ {
+diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
+index 649d8f2c1e40..91af75e37306 100644
+--- a/arch/x86/kvm/cpuid.c
++++ b/arch/x86/kvm/cpuid.c
+@@ -456,7 +456,7 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
+ 			entry->ecx &= kvm_cpuid_7_0_ecx_x86_features;
+ 			cpuid_mask(&entry->ecx, CPUID_7_ECX);
+ 			/* PKU is not yet implemented for shadow paging. */
+-			if (!tdp_enabled)
++			if (!tdp_enabled || !boot_cpu_has(X86_FEATURE_OSPKE))
+ 				entry->ecx &= ~F(PKU);
+ 		} else {
+ 			entry->ebx = 0;
+diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
+index e53bef6cf53c..0375c6024062 100644
+--- a/drivers/acpi/apei/ghes.c
++++ b/drivers/acpi/apei/ghes.c
+@@ -1072,6 +1072,7 @@ static int ghes_remove(struct platform_device *ghes_dev)
+ 		if (list_empty(&ghes_sci))
+ 			unregister_acpi_hed_notifier(&ghes_notifier_sci);
+ 		mutex_unlock(&ghes_list_mutex);
++		synchronize_rcu();
+ 		break;
+ 	case ACPI_HEST_NOTIFY_NMI:
+ 		ghes_nmi_remove(ghes);
+diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
+index 79152dbc5528..51874695a730 100644
+--- a/drivers/acpi/ec.c
++++ b/drivers/acpi/ec.c
+@@ -1728,7 +1728,7 @@ int __init acpi_ec_dsdt_probe(void)
+  * functioning ECDT EC first in order to handle the events.
+  * https://bugzilla.kernel.org/show_bug.cgi?id=115021
+  */
+-int __init acpi_ec_ecdt_start(void)
++static int __init acpi_ec_ecdt_start(void)
+ {
+ 	acpi_handle handle;
+ 
+@@ -1959,20 +1959,17 @@ static inline void acpi_ec_query_exit(void)
+ int __init acpi_ec_init(void)
+ {
+ 	int result;
++	int ecdt_fail, dsdt_fail;
+ 
+ 	/* register workqueue for _Qxx evaluations */
+ 	result = acpi_ec_query_init();
+ 	if (result)
+-		goto err_exit;
+-	/* Now register the driver for the EC */
+-	result = acpi_bus_register_driver(&acpi_ec_driver);
+-	if (result)
+-		goto err_exit;
++		return result;
+ 
+-err_exit:
+-	if (result)
+-		acpi_ec_query_exit();
+-	return result;
++	/* Drivers must be started after acpi_ec_query_init() */
++	ecdt_fail = acpi_ec_ecdt_start();
++	dsdt_fail = acpi_bus_register_driver(&acpi_ec_driver);
++	return ecdt_fail && dsdt_fail ? -ENODEV : 0;
+ }
+ 
+ /* EC driver currently not unloadable */
+diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
+index 219b90bc0922..08b3ca0ead69 100644
+--- a/drivers/acpi/internal.h
++++ b/drivers/acpi/internal.h
+@@ -185,7 +185,6 @@ typedef int (*acpi_ec_query_func) (void *data);
+ int acpi_ec_init(void);
+ int acpi_ec_ecdt_probe(void);
+ int acpi_ec_dsdt_probe(void);
+-int acpi_ec_ecdt_start(void);
+ void acpi_ec_block_transactions(void);
+ void acpi_ec_unblock_transactions(void);
+ int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
+diff --git a/drivers/acpi/ioapic.c b/drivers/acpi/ioapic.c
+index 6d7ce6e12aaa..5e18ccf5ab57 100644
+--- a/drivers/acpi/ioapic.c
++++ b/drivers/acpi/ioapic.c
+@@ -45,6 +45,12 @@ static acpi_status setup_res(struct acpi_resource *acpi_res, void *data)
+ 	struct resource *res = data;
+ 	struct resource_win win;
+ 
++	/*
++	 * We might assign this to 'res' later, make sure all pointers are
++	 * cleared before the resource is added to the global list
++	 */
++	memset(&win, 0, sizeof(win));
++
+ 	res->flags = 0;
+ 	if (acpi_dev_filter_resource_type(acpi_res, IORESOURCE_MEM))
+ 		return AE_OK;
+diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
+index dd3786acba89..cf725d581cae 100644
+--- a/drivers/acpi/scan.c
++++ b/drivers/acpi/scan.c
+@@ -2051,7 +2051,6 @@ int __init acpi_scan_init(void)
+ 
+ 	acpi_gpe_apply_masked_gpes();
+ 	acpi_update_all_gpes();
+-	acpi_ec_ecdt_start();
+ 
+ 	acpi_scan_initialized = true;
+ 
+diff --git a/drivers/android/binder.c b/drivers/android/binder.c
+index 3c71b982bf2a..15009b2b33c7 100644
+--- a/drivers/android/binder.c
++++ b/drivers/android/binder.c
+@@ -1724,8 +1724,12 @@ static void binder_transaction(struct binder_proc *proc,
+ 	list_add_tail(&t->work.entry, target_list);
+ 	tcomplete->type = BINDER_WORK_TRANSACTION_COMPLETE;
+ 	list_add_tail(&tcomplete->entry, &thread->todo);
+-	if (target_wait)
+-		wake_up_interruptible(target_wait);
++	if (target_wait) {
++		if (reply || !(t->flags & TF_ONE_WAY))
++			wake_up_interruptible_sync(target_wait);
++		else
++			wake_up_interruptible(target_wait);
++	}
+ 	return;
+ 
+ err_get_unused_fd_failed:
+@@ -2760,10 +2764,6 @@ static long binder_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ 	/*pr_info("binder_ioctl: %d:%d %x %lx\n",
+ 			proc->pid, current->pid, cmd, arg);*/
+ 
+-	if (unlikely(current->mm != proc->vma_vm_mm)) {
+-		pr_err("current mm mismatch proc mm\n");
+-		return -EINVAL;
+-	}
+ 	trace_binder_ioctl(cmd, arg);
+ 
+ 	ret = wait_event_interruptible(binder_user_error_wait, binder_stop_on_user_error < 2);
+@@ -2875,7 +2875,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma)
+ 	const char *failure_string;
+ 	struct binder_buffer *buffer;
+ 
+-	if (proc->tsk != current)
++	if (proc->tsk != current->group_leader)
+ 		return -EINVAL;
+ 
+ 	if ((vma->vm_end - vma->vm_start) > SZ_4M)
+@@ -2976,9 +2976,8 @@ static int binder_open(struct inode *nodp, struct file *filp)
+ 	proc = kzalloc(sizeof(*proc), GFP_KERNEL);
+ 	if (proc == NULL)
+ 		return -ENOMEM;
+-	get_task_struct(current);
+-	proc->tsk = current;
+-	proc->vma_vm_mm = current->mm;
++	get_task_struct(current->group_leader);
++	proc->tsk = current->group_leader;
+ 	INIT_LIST_HEAD(&proc->todo);
+ 	init_waitqueue_head(&proc->wait);
+ 	proc->default_priority = task_nice(current);
+diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
+index 4e19bde4bbff..34adde169a78 100644
+--- a/drivers/gpu/drm/drm_atomic.c
++++ b/drivers/gpu/drm/drm_atomic.c
+@@ -1386,6 +1386,9 @@ int drm_atomic_check_only(struct drm_atomic_state *state)
+ 	if (config->funcs->atomic_check)
+ 		ret = config->funcs->atomic_check(state->dev, state);
+ 
++	if (ret)
++		return ret;
++
+ 	if (!state->allow_modeset) {
+ 		for_each_crtc_in_state(state, crtc, crtc_state, i) {
+ 			if (drm_atomic_crtc_needs_modeset(crtc_state)) {
+@@ -1396,7 +1399,7 @@ int drm_atomic_check_only(struct drm_atomic_state *state)
+ 		}
+ 	}
+ 
+-	return ret;
++	return 0;
+ }
+ EXPORT_SYMBOL(drm_atomic_check_only);
+ 
+diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
+index 465bacd0a630..48e99ab525c3 100644
+--- a/drivers/gpu/drm/drm_gem.c
++++ b/drivers/gpu/drm/drm_gem.c
+@@ -255,13 +255,13 @@ drm_gem_object_release_handle(int id, void *ptr, void *data)
+ 	struct drm_gem_object *obj = ptr;
+ 	struct drm_device *dev = obj->dev;
+ 
++	if (dev->driver->gem_close_object)
++		dev->driver->gem_close_object(obj, file_priv);
++
+ 	if (drm_core_check_feature(dev, DRIVER_PRIME))
+ 		drm_gem_remove_prime_handles(obj, file_priv);
+ 	drm_vma_node_revoke(&obj->vma_node, file_priv);
+ 
+-	if (dev->driver->gem_close_object)
+-		dev->driver->gem_close_object(obj, file_priv);
+-
+ 	drm_gem_object_handle_unreference_unlocked(obj);
+ 
+ 	return 0;
+diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
+index 7316fc7fa0bd..a2ec6d8796a0 100644
+--- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
++++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
+@@ -149,8 +149,8 @@ static void rcar_du_crtc_set_display_timing(struct rcar_du_crtc *rcrtc)
+ 	rcar_du_group_write(rcrtc->group, rcrtc->index % 2 ? OTAR2 : OTAR, 0);
+ 
+ 	/* Signal polarities */
+-	value = ((mode->flags & DRM_MODE_FLAG_PVSYNC) ? 0 : DSMR_VSL)
+-	      | ((mode->flags & DRM_MODE_FLAG_PHSYNC) ? 0 : DSMR_HSL)
++	value = ((mode->flags & DRM_MODE_FLAG_PVSYNC) ? DSMR_VSL : 0)
++	      | ((mode->flags & DRM_MODE_FLAG_PHSYNC) ? DSMR_HSL : 0)
+ 	      | DSMR_DIPM_DISP | DSMR_CSPM;
+ 	rcar_du_crtc_write(rcrtc, DSMR, value);
+ 
+@@ -172,7 +172,7 @@ static void rcar_du_crtc_set_display_timing(struct rcar_du_crtc *rcrtc)
+ 					mode->crtc_vsync_start - 1);
+ 	rcar_du_crtc_write(rcrtc, VCR,  mode->crtc_vtotal - 1);
+ 
+-	rcar_du_crtc_write(rcrtc, DESR,  mode->htotal - mode->hsync_start);
++	rcar_du_crtc_write(rcrtc, DESR,  mode->htotal - mode->hsync_start - 1);
+ 	rcar_du_crtc_write(rcrtc, DEWR,  mode->hdisplay);
+ }
+ 
+diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
+index cfc302c65b0b..c58602b638e4 100644
+--- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
++++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
+@@ -453,13 +453,13 @@ static int rcar_du_encoders_init_one(struct rcar_du_device *rcdu,
+ 	}
+ 
+ 	ret = rcar_du_encoder_init(rcdu, enc_type, output, encoder, connector);
+-	of_node_put(encoder);
+-	of_node_put(connector);
+-
+ 	if (ret && ret != -EPROBE_DEFER)
+ 		dev_warn(rcdu->dev,
+-			 "failed to initialize encoder %s (%d), skipping\n",
+-			 encoder->full_name, ret);
++			 "failed to initialize encoder %s on output %u (%d), skipping\n",
++			 of_node_full_name(encoder), output, ret);
++
++	of_node_put(encoder);
++	of_node_put(connector);
+ 
+ 	return ret;
+ }
+diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
+index 0b42a12171f3..b42d95f09c68 100644
+--- a/drivers/i2c/busses/i2c-designware-platdrv.c
++++ b/drivers/i2c/busses/i2c-designware-platdrv.c
+@@ -319,7 +319,7 @@ static void dw_i2c_plat_complete(struct device *dev)
+ #endif
+ 
+ #ifdef CONFIG_PM
+-static int dw_i2c_plat_suspend(struct device *dev)
++static int dw_i2c_plat_runtime_suspend(struct device *dev)
+ {
+ 	struct platform_device *pdev = to_platform_device(dev);
+ 	struct dw_i2c_dev *i_dev = platform_get_drvdata(pdev);
+@@ -343,11 +343,21 @@ static int dw_i2c_plat_resume(struct device *dev)
+ 	return 0;
+ }
+ 
++#ifdef CONFIG_PM_SLEEP
++static int dw_i2c_plat_suspend(struct device *dev)
++{
++	pm_runtime_resume(dev);
++	return dw_i2c_plat_runtime_suspend(dev);
++}
++#endif
++
+ static const struct dev_pm_ops dw_i2c_dev_pm_ops = {
+ 	.prepare = dw_i2c_plat_prepare,
+ 	.complete = dw_i2c_plat_complete,
+ 	SET_SYSTEM_SLEEP_PM_OPS(dw_i2c_plat_suspend, dw_i2c_plat_resume)
+-	SET_RUNTIME_PM_OPS(dw_i2c_plat_suspend, dw_i2c_plat_resume, NULL)
++	SET_RUNTIME_PM_OPS(dw_i2c_plat_runtime_suspend,
++			   dw_i2c_plat_resume,
++			   NULL)
+ };
+ 
+ #define DW_I2C_DEV_PMOPS (&dw_i2c_dev_pm_ops)
+diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
+index 60829340a82e..b60e5d87c257 100644
+--- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
++++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
+@@ -36,8 +36,6 @@ static int _hid_sensor_power_state(struct hid_sensor_common *st, bool state)
+ 	s32 poll_value = 0;
+ 
+ 	if (state) {
+-		if (!atomic_read(&st->user_requested_state))
+-			return 0;
+ 		if (sensor_hub_device_open(st->hsdev))
+ 			return -EIO;
+ 
+@@ -86,6 +84,9 @@ static int _hid_sensor_power_state(struct hid_sensor_common *st, bool state)
+ 				       &report_val);
+ 	}
+ 
++	pr_debug("HID_SENSOR %s set power_state %d report_state %d\n",
++		 st->pdev->name, state_val, report_val);
++
+ 	sensor_hub_get_feature(st->hsdev, st->power_state.report_id,
+ 			       st->power_state.index,
+ 			       sizeof(state_val), &state_val);
+@@ -107,6 +108,7 @@ int hid_sensor_power_state(struct hid_sensor_common *st, bool state)
+ 		ret = pm_runtime_get_sync(&st->pdev->dev);
+ 	else {
+ 		pm_runtime_mark_last_busy(&st->pdev->dev);
++		pm_runtime_use_autosuspend(&st->pdev->dev);
+ 		ret = pm_runtime_put_autosuspend(&st->pdev->dev);
+ 	}
+ 	if (ret < 0) {
+@@ -201,8 +203,6 @@ int hid_sensor_setup_trigger(struct iio_dev *indio_dev, const char *name,
+ 	/* Default to 3 seconds, but can be changed from sysfs */
+ 	pm_runtime_set_autosuspend_delay(&attrb->pdev->dev,
+ 					 3000);
+-	pm_runtime_use_autosuspend(&attrb->pdev->dev);
+-
+ 	return ret;
+ error_unreg_trigger:
+ 	iio_trigger_unregister(trig);
+diff --git a/drivers/iio/imu/adis16480.c b/drivers/iio/imu/adis16480.c
+index 8cf84d3488b2..12898424d838 100644
+--- a/drivers/iio/imu/adis16480.c
++++ b/drivers/iio/imu/adis16480.c
+@@ -696,7 +696,7 @@ static const struct adis16480_chip_info adis16480_chip_info[] = {
+ 		.gyro_max_val = IIO_RAD_TO_DEGREE(22500),
+ 		.gyro_max_scale = 450,
+ 		.accel_max_val = IIO_M_S_2_TO_G(12500),
+-		.accel_max_scale = 5,
++		.accel_max_scale = 10,
+ 	},
+ 	[ADIS16485] = {
+ 		.channels = adis16485_channels,
+diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
+index 518e8a7bd5f9..f26807c75be4 100644
+--- a/drivers/input/mouse/alps.c
++++ b/drivers/input/mouse/alps.c
+@@ -1212,14 +1212,24 @@ static int alps_decode_ss4_v2(struct alps_fields *f,
+ 
+ 	case SS4_PACKET_ID_TWO:
+ 		if (priv->flags & ALPS_BUTTONPAD) {
+-			f->mt[0].x = SS4_BTL_MF_X_V2(p, 0);
++			if (IS_SS4PLUS_DEV(priv->dev_id)) {
++				f->mt[0].x = SS4_PLUS_BTL_MF_X_V2(p, 0);
++				f->mt[1].x = SS4_PLUS_BTL_MF_X_V2(p, 1);
++			} else {
++				f->mt[0].x = SS4_BTL_MF_X_V2(p, 0);
++				f->mt[1].x = SS4_BTL_MF_X_V2(p, 1);
++			}
+ 			f->mt[0].y = SS4_BTL_MF_Y_V2(p, 0);
+-			f->mt[1].x = SS4_BTL_MF_X_V2(p, 1);
+ 			f->mt[1].y = SS4_BTL_MF_Y_V2(p, 1);
+ 		} else {
+-			f->mt[0].x = SS4_STD_MF_X_V2(p, 0);
++			if (IS_SS4PLUS_DEV(priv->dev_id)) {
++				f->mt[0].x = SS4_PLUS_STD_MF_X_V2(p, 0);
++				f->mt[1].x = SS4_PLUS_STD_MF_X_V2(p, 1);
++			} else {
++				f->mt[0].x = SS4_STD_MF_X_V2(p, 0);
++				f->mt[1].x = SS4_STD_MF_X_V2(p, 1);
++			}
+ 			f->mt[0].y = SS4_STD_MF_Y_V2(p, 0);
+-			f->mt[1].x = SS4_STD_MF_X_V2(p, 1);
+ 			f->mt[1].y = SS4_STD_MF_Y_V2(p, 1);
+ 		}
+ 		f->pressure = SS4_MF_Z_V2(p, 0) ? 0x30 : 0;
+@@ -1236,16 +1246,27 @@ static int alps_decode_ss4_v2(struct alps_fields *f,
+ 
+ 	case SS4_PACKET_ID_MULTI:
+ 		if (priv->flags & ALPS_BUTTONPAD) {
+-			f->mt[2].x = SS4_BTL_MF_X_V2(p, 0);
++			if (IS_SS4PLUS_DEV(priv->dev_id)) {
++				f->mt[0].x = SS4_PLUS_BTL_MF_X_V2(p, 0);
++				f->mt[1].x = SS4_PLUS_BTL_MF_X_V2(p, 1);
++			} else {
++				f->mt[2].x = SS4_BTL_MF_X_V2(p, 0);
++				f->mt[3].x = SS4_BTL_MF_X_V2(p, 1);
++			}
++
+ 			f->mt[2].y = SS4_BTL_MF_Y_V2(p, 0);
+-			f->mt[3].x = SS4_BTL_MF_X_V2(p, 1);
+ 			f->mt[3].y = SS4_BTL_MF_Y_V2(p, 1);
+ 			no_data_x = SS4_MFPACKET_NO_AX_BL;
+ 			no_data_y = SS4_MFPACKET_NO_AY_BL;
+ 		} else {
+-			f->mt[2].x = SS4_STD_MF_X_V2(p, 0);
++			if (IS_SS4PLUS_DEV(priv->dev_id)) {
++				f->mt[0].x = SS4_PLUS_STD_MF_X_V2(p, 0);
++				f->mt[1].x = SS4_PLUS_STD_MF_X_V2(p, 1);
++			} else {
++				f->mt[0].x = SS4_STD_MF_X_V2(p, 0);
++				f->mt[1].x = SS4_STD_MF_X_V2(p, 1);
++			}
+ 			f->mt[2].y = SS4_STD_MF_Y_V2(p, 0);
+-			f->mt[3].x = SS4_STD_MF_X_V2(p, 1);
+ 			f->mt[3].y = SS4_STD_MF_Y_V2(p, 1);
+ 			no_data_x = SS4_MFPACKET_NO_AX;
+ 			no_data_y = SS4_MFPACKET_NO_AY;
+@@ -2535,8 +2556,8 @@ static int alps_set_defaults_ss4_v2(struct psmouse *psmouse,
+ 
+ 	memset(otp, 0, sizeof(otp));
+ 
+-	if (alps_get_otp_values_ss4_v2(psmouse, 0, &otp[0][0]) ||
+-	    alps_get_otp_values_ss4_v2(psmouse, 1, &otp[1][0]))
++	if (alps_get_otp_values_ss4_v2(psmouse, 1, &otp[1][0]) ||
++	    alps_get_otp_values_ss4_v2(psmouse, 0, &otp[0][0]))
+ 		return -1;
+ 
+ 	alps_update_device_area_ss4_v2(otp, priv);
+diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h
+index dbfd26073e1a..793123717145 100644
+--- a/drivers/input/mouse/alps.h
++++ b/drivers/input/mouse/alps.h
+@@ -91,6 +91,10 @@ enum SS4_PACKET_ID {
+ 				 ((_b[1 + _i * 3]  << 5) & 0x1F00)	\
+ 				)
+ 
++#define SS4_PLUS_STD_MF_X_V2(_b, _i) (((_b[0 + (_i) * 3] << 4) & 0x0070) | \
++				 ((_b[1 + (_i) * 3]  << 4) & 0x0F80)	\
++				)
++
+ #define SS4_STD_MF_Y_V2(_b, _i)	(((_b[1 + (_i) * 3] << 3) & 0x0010) |	\
+ 				 ((_b[2 + (_i) * 3] << 5) & 0x01E0) |	\
+ 				 ((_b[2 + (_i) * 3] << 4) & 0x0E00)	\
+@@ -100,6 +104,10 @@ enum SS4_PACKET_ID {
+ 				 ((_b[0 + (_i) * 3] >> 3) & 0x0010)	\
+ 				)
+ 
++#define SS4_PLUS_BTL_MF_X_V2(_b, _i) (SS4_PLUS_STD_MF_X_V2(_b, _i) |	\
++				 ((_b[0 + (_i) * 3] >> 4) & 0x0008)	\
++				)
++
+ #define SS4_BTL_MF_Y_V2(_b, _i)	(SS4_STD_MF_Y_V2(_b, _i) | \
+ 				 ((_b[0 + (_i) * 3] >> 3) & 0x0008)	\
+ 				)
+diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
+index 98d4e515587a..681dce15fbc8 100644
+--- a/drivers/input/mouse/elan_i2c_core.c
++++ b/drivers/input/mouse/elan_i2c_core.c
+@@ -1234,6 +1234,7 @@ static const struct acpi_device_id elan_acpi_id[] = {
+ 	{ "ELAN0000", 0 },
+ 	{ "ELAN0100", 0 },
+ 	{ "ELAN0600", 0 },
++	{ "ELAN0602", 0 },
+ 	{ "ELAN0605", 0 },
+ 	{ "ELAN0608", 0 },
+ 	{ "ELAN0605", 0 },
+diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c
+index 354d47ecd66a..ce6ff9b301bb 100644
+--- a/drivers/input/mouse/trackpoint.c
++++ b/drivers/input/mouse/trackpoint.c
+@@ -265,7 +265,8 @@ static int trackpoint_start_protocol(struct psmouse *psmouse, unsigned char *fir
+ 	if (ps2_command(&psmouse->ps2dev, param, MAKE_PS2_CMD(0, 2, TP_READ_ID)))
+ 		return -1;
+ 
+-	if (param[0] != TP_MAGIC_IDENT)
++	/* add new TP ID. */
++	if (!(param[0] & TP_MAGIC_IDENT))
+ 		return -1;
+ 
+ 	if (firmware_id)
+diff --git a/drivers/input/mouse/trackpoint.h b/drivers/input/mouse/trackpoint.h
+index 5617ed3a7d7a..88055755f82e 100644
+--- a/drivers/input/mouse/trackpoint.h
++++ b/drivers/input/mouse/trackpoint.h
+@@ -21,8 +21,9 @@
+ #define TP_COMMAND		0xE2	/* Commands start with this */
+ 
+ #define TP_READ_ID		0xE1	/* Sent for device identification */
+-#define TP_MAGIC_IDENT		0x01	/* Sent after a TP_READ_ID followed */
++#define TP_MAGIC_IDENT		0x03	/* Sent after a TP_READ_ID followed */
+ 					/* by the firmware ID */
++					/* Firmware ID includes 0x1, 0x2, 0x3 */
+ 
+ 
+ /*
+diff --git a/drivers/leds/trigger/ledtrig-heartbeat.c b/drivers/leds/trigger/ledtrig-heartbeat.c
+index c9f386213e9e..410c39c62dc7 100644
+--- a/drivers/leds/trigger/ledtrig-heartbeat.c
++++ b/drivers/leds/trigger/ledtrig-heartbeat.c
+@@ -19,7 +19,6 @@
+ #include <linux/sched.h>
+ #include <linux/leds.h>
+ #include <linux/reboot.h>
+-#include <linux/suspend.h>
+ #include "../leds.h"
+ 
+ static int panic_heartbeats;
+@@ -155,30 +154,6 @@ static struct led_trigger heartbeat_led_trigger = {
+ 	.deactivate = heartbeat_trig_deactivate,
+ };
+ 
+-static int heartbeat_pm_notifier(struct notifier_block *nb,
+-				 unsigned long pm_event, void *unused)
+-{
+-	int rc;
+-
+-	switch (pm_event) {
+-	case PM_SUSPEND_PREPARE:
+-	case PM_HIBERNATION_PREPARE:
+-	case PM_RESTORE_PREPARE:
+-		led_trigger_unregister(&heartbeat_led_trigger);
+-		break;
+-	case PM_POST_SUSPEND:
+-	case PM_POST_HIBERNATION:
+-	case PM_POST_RESTORE:
+-		rc = led_trigger_register(&heartbeat_led_trigger);
+-		if (rc)
+-			pr_err("could not re-register heartbeat trigger\n");
+-		break;
+-	default:
+-		break;
+-	}
+-	return NOTIFY_DONE;
+-}
+-
+ static int heartbeat_reboot_notifier(struct notifier_block *nb,
+ 				     unsigned long code, void *unused)
+ {
+@@ -193,10 +168,6 @@ static int heartbeat_panic_notifier(struct notifier_block *nb,
+ 	return NOTIFY_DONE;
+ }
+ 
+-static struct notifier_block heartbeat_pm_nb = {
+-	.notifier_call = heartbeat_pm_notifier,
+-};
+-
+ static struct notifier_block heartbeat_reboot_nb = {
+ 	.notifier_call = heartbeat_reboot_notifier,
+ };
+@@ -213,14 +184,12 @@ static int __init heartbeat_trig_init(void)
+ 		atomic_notifier_chain_register(&panic_notifier_list,
+ 					       &heartbeat_panic_nb);
+ 		register_reboot_notifier(&heartbeat_reboot_nb);
+-		register_pm_notifier(&heartbeat_pm_nb);
+ 	}
+ 	return rc;
+ }
+ 
+ static void __exit heartbeat_trig_exit(void)
+ {
+-	unregister_pm_notifier(&heartbeat_pm_nb);
+ 	unregister_reboot_notifier(&heartbeat_reboot_nb);
+ 	atomic_notifier_chain_unregister(&panic_notifier_list,
+ 					 &heartbeat_panic_nb);
+diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
+index 551786f58e59..ba652d8a2b93 100644
+--- a/drivers/net/ethernet/mellanox/mlx4/main.c
++++ b/drivers/net/ethernet/mellanox/mlx4/main.c
+@@ -430,7 +430,7 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
+ 		/* Virtual PCI function needs to determine UAR page size from
+ 		 * firmware. Only master PCI function can set the uar page size
+ 		 */
+-		if (enable_4k_uar)
++		if (enable_4k_uar || !dev->persist->num_vfs)
+ 			dev->uar_page_shift = DEFAULT_UAR_PAGE_SHIFT;
+ 		else
+ 			dev->uar_page_shift = PAGE_SHIFT;
+@@ -2269,7 +2269,7 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
+ 
+ 		dev->caps.max_fmr_maps = (1 << (32 - ilog2(dev->caps.num_mpts))) - 1;
+ 
+-		if (enable_4k_uar) {
++		if (enable_4k_uar || !dev->persist->num_vfs) {
+ 			init_hca.log_uar_sz = ilog2(dev->caps.num_uars) +
+ 						    PAGE_SHIFT - DEFAULT_UAR_PAGE_SHIFT;
+ 			init_hca.uar_page_sz = DEFAULT_UAR_PAGE_SHIFT - 12;
+diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+index aee3fd2b6538..4ca82bd8c4f0 100644
+--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
++++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+@@ -871,8 +871,7 @@ static int nfp_net_tx(struct sk_buff *skb, struct net_device *netdev)
+ 	return NETDEV_TX_OK;
+ 
+ err_unmap:
+-	--f;
+-	while (f >= 0) {
++	while (--f >= 0) {
+ 		frag = &skb_shinfo(skb)->frags[f];
+ 		dma_unmap_page(&nn->pdev->dev,
+ 			       tx_ring->txbufs[wr_idx].dma_addr,
+diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c
+index c234ee43b6ef..24222a5d8df2 100644
+--- a/drivers/ntb/ntb_transport.c
++++ b/drivers/ntb/ntb_transport.c
+@@ -176,14 +176,12 @@ struct ntb_transport_qp {
+ 	u64 rx_err_ver;
+ 	u64 rx_memcpy;
+ 	u64 rx_async;
+-	u64 dma_rx_prep_err;
+ 	u64 tx_bytes;
+ 	u64 tx_pkts;
+ 	u64 tx_ring_full;
+ 	u64 tx_err_no_buf;
+ 	u64 tx_memcpy;
+ 	u64 tx_async;
+-	u64 dma_tx_prep_err;
+ };
+ 
+ struct ntb_transport_mw {
+@@ -256,8 +254,6 @@ enum {
+ #define QP_TO_MW(nt, qp)	((qp) % nt->mw_count)
+ #define NTB_QP_DEF_NUM_ENTRIES	100
+ #define NTB_LINK_DOWN_TIMEOUT	10
+-#define DMA_RETRIES		20
+-#define DMA_OUT_RESOURCE_TO	msecs_to_jiffies(50)
+ 
+ static void ntb_transport_rxc_db(unsigned long data);
+ static const struct ntb_ctx_ops ntb_transport_ops;
+@@ -518,12 +514,6 @@ static ssize_t debugfs_read(struct file *filp, char __user *ubuf, size_t count,
+ 	out_offset += snprintf(buf + out_offset, out_count - out_offset,
+ 			       "free tx - \t%u\n",
+ 			       ntb_transport_tx_free_entry(qp));
+-	out_offset += snprintf(buf + out_offset, out_count - out_offset,
+-			       "DMA tx prep err - \t%llu\n",
+-			       qp->dma_tx_prep_err);
+-	out_offset += snprintf(buf + out_offset, out_count - out_offset,
+-			       "DMA rx prep err - \t%llu\n",
+-			       qp->dma_rx_prep_err);
+ 
+ 	out_offset += snprintf(buf + out_offset, out_count - out_offset,
+ 			       "\n");
+@@ -625,7 +615,7 @@ static int ntb_transport_setup_qp_mw(struct ntb_transport_ctx *nt,
+ 	if (!mw->virt_addr)
+ 		return -ENOMEM;
+ 
+-	if (qp_count % mw_count && mw_num + 1 < qp_count / mw_count)
++	if (mw_num < qp_count % mw_count)
+ 		num_qps_mw = qp_count / mw_count + 1;
+ 	else
+ 		num_qps_mw = qp_count / mw_count;
+@@ -770,8 +760,6 @@ static void ntb_qp_link_down_reset(struct ntb_transport_qp *qp)
+ 	qp->tx_err_no_buf = 0;
+ 	qp->tx_memcpy = 0;
+ 	qp->tx_async = 0;
+-	qp->dma_tx_prep_err = 0;
+-	qp->dma_rx_prep_err = 0;
+ }
+ 
+ static void ntb_qp_link_cleanup(struct ntb_transport_qp *qp)
+@@ -933,10 +921,8 @@ static void ntb_transport_link_work(struct work_struct *work)
+ 		ntb_free_mw(nt, i);
+ 
+ 	/* if there's an actual failure, we should just bail */
+-	if (rc < 0) {
+-		ntb_link_disable(ndev);
++	if (rc < 0)
+ 		return;
+-	}
+ 
+ out:
+ 	if (ntb_link_is_up(ndev, NULL, NULL) == 1)
+@@ -1002,7 +988,7 @@ static int ntb_transport_init_queue(struct ntb_transport_ctx *nt,
+ 	qp->event_handler = NULL;
+ 	ntb_qp_link_down_reset(qp);
+ 
+-	if (qp_count % mw_count && mw_num + 1 < qp_count / mw_count)
++	if (mw_num < qp_count % mw_count)
+ 		num_qps_mw = qp_count / mw_count + 1;
+ 	else
+ 		num_qps_mw = qp_count / mw_count;
+@@ -1125,8 +1111,8 @@ static int ntb_transport_probe(struct ntb_client *self, struct ntb_dev *ndev)
+ 	qp_count = ilog2(qp_bitmap);
+ 	if (max_num_clients && max_num_clients < qp_count)
+ 		qp_count = max_num_clients;
+-	else if (mw_count < qp_count)
+-		qp_count = mw_count;
++	else if (nt->mw_count < qp_count)
++		qp_count = nt->mw_count;
+ 
+ 	qp_bitmap &= BIT_ULL(qp_count) - 1;
+ 
+@@ -1314,7 +1300,6 @@ static int ntb_async_rx_submit(struct ntb_queue_entry *entry, void *offset)
+ 	struct dmaengine_unmap_data *unmap;
+ 	dma_cookie_t cookie;
+ 	void *buf = entry->buf;
+-	int retries = 0;
+ 
+ 	len = entry->len;
+ 	device = chan->device;
+@@ -1343,22 +1328,11 @@ static int ntb_async_rx_submit(struct ntb_queue_entry *entry, void *offset)
+ 
+ 	unmap->from_cnt = 1;
+ 
+-	for (retries = 0; retries < DMA_RETRIES; retries++) {
+-		txd = device->device_prep_dma_memcpy(chan,
+-						     unmap->addr[1],
+-						     unmap->addr[0], len,
+-						     DMA_PREP_INTERRUPT);
+-		if (txd)
+-			break;
+-
+-		set_current_state(TASK_INTERRUPTIBLE);
+-		schedule_timeout(DMA_OUT_RESOURCE_TO);
+-	}
+-
+-	if (!txd) {
+-		qp->dma_rx_prep_err++;
++	txd = device->device_prep_dma_memcpy(chan, unmap->addr[1],
++					     unmap->addr[0], len,
++					     DMA_PREP_INTERRUPT);
++	if (!txd)
+ 		goto err_get_unmap;
+-	}
+ 
+ 	txd->callback_result = ntb_rx_copy_callback;
+ 	txd->callback_param = entry;
+@@ -1603,7 +1577,6 @@ static int ntb_async_tx_submit(struct ntb_transport_qp *qp,
+ 	struct dmaengine_unmap_data *unmap;
+ 	dma_addr_t dest;
+ 	dma_cookie_t cookie;
+-	int retries = 0;
+ 
+ 	device = chan->device;
+ 	dest = qp->tx_mw_phys + qp->tx_max_frame * entry->tx_index;
+@@ -1625,21 +1598,10 @@ static int ntb_async_tx_submit(struct ntb_transport_qp *qp,
+ 
+ 	unmap->to_cnt = 1;
+ 
+-	for (retries = 0; retries < DMA_RETRIES; retries++) {
+-		txd = device->device_prep_dma_memcpy(chan, dest,
+-						     unmap->addr[0], len,
+-						     DMA_PREP_INTERRUPT);
+-		if (txd)
+-			break;
+-
+-		set_current_state(TASK_INTERRUPTIBLE);
+-		schedule_timeout(DMA_OUT_RESOURCE_TO);
+-	}
+-
+-	if (!txd) {
+-		qp->dma_tx_prep_err++;
++	txd = device->device_prep_dma_memcpy(chan, dest, unmap->addr[0], len,
++					     DMA_PREP_INTERRUPT);
++	if (!txd)
+ 		goto err_get_unmap;
+-	}
+ 
+ 	txd->callback_result = ntb_tx_copy_callback;
+ 	txd->callback_param = entry;
+diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
+index b432153a6c5a..0f63a36a519e 100644
+--- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c
++++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
+@@ -45,6 +45,7 @@ static struct usb_device_id rtw_usb_id_tbl[] = {
+ 	{USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */
+ 	{USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */
+ 	{USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
++	{USB_DEVICE(USB_VENDER_ID_REALTEK, 0xffef)}, /* Rosewill RNX-N150NUB */
+ 	{}	/* Terminating entry */
+ };
+ 
+diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
+index 789ff1df2d8d..581712534c93 100644
+--- a/fs/cifs/dir.c
++++ b/fs/cifs/dir.c
+@@ -183,15 +183,20 @@ build_path_from_dentry(struct dentry *direntry)
+ }
+ 
+ /*
++ * Don't allow path components longer than the server max.
+  * Don't allow the separator character in a path component.
+  * The VFS will not allow "/", but "\" is allowed by posix.
+  */
+ static int
+-check_name(struct dentry *direntry)
++check_name(struct dentry *direntry, struct cifs_tcon *tcon)
+ {
+ 	struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb);
+ 	int i;
+ 
++	if (unlikely(direntry->d_name.len >
++		     tcon->fsAttrInfo.MaxPathNameComponentLength))
++		return -ENAMETOOLONG;
++
+ 	if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS)) {
+ 		for (i = 0; i < direntry->d_name.len; i++) {
+ 			if (direntry->d_name.name[i] == '\\') {
+@@ -489,10 +494,6 @@ cifs_atomic_open(struct inode *inode, struct dentry *direntry,
+ 		return finish_no_open(file, res);
+ 	}
+ 
+-	rc = check_name(direntry);
+-	if (rc)
+-		return rc;
+-
+ 	xid = get_xid();
+ 
+ 	cifs_dbg(FYI, "parent inode = 0x%p name is: %pd and dentry = 0x%p\n",
+@@ -505,6 +506,11 @@ cifs_atomic_open(struct inode *inode, struct dentry *direntry,
+ 	}
+ 
+ 	tcon = tlink_tcon(tlink);
++
++	rc = check_name(direntry, tcon);
++	if (rc)
++		goto out_free_xid;
++
+ 	server = tcon->ses->server;
+ 
+ 	if (server->ops->new_lease_key)
+@@ -765,7 +771,7 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry,
+ 	}
+ 	pTcon = tlink_tcon(tlink);
+ 
+-	rc = check_name(direntry);
++	rc = check_name(direntry, pTcon);
+ 	if (rc)
+ 		goto lookup_out;
+ 
+diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
+index 7c1c6c39d582..0437e5fdba56 100644
+--- a/fs/cifs/smb2pdu.c
++++ b/fs/cifs/smb2pdu.c
+@@ -2930,8 +2930,8 @@ copy_fs_info_to_kstatfs(struct smb2_fs_full_size_info *pfs_inf,
+ 	kst->f_bsize = le32_to_cpu(pfs_inf->BytesPerSector) *
+ 			  le32_to_cpu(pfs_inf->SectorsPerAllocationUnit);
+ 	kst->f_blocks = le64_to_cpu(pfs_inf->TotalAllocationUnits);
+-	kst->f_bfree  = le64_to_cpu(pfs_inf->ActualAvailableAllocationUnits);
+-	kst->f_bavail = le64_to_cpu(pfs_inf->CallerAvailableAllocationUnits);
++	kst->f_bfree  = kst->f_bavail =
++			le64_to_cpu(pfs_inf->CallerAvailableAllocationUnits);
+ 	return;
+ }
+ 
+diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
+index 4e7a56a0a9b6..2c4f7a22e128 100644
+--- a/fs/nfsd/nfs4xdr.c
++++ b/fs/nfsd/nfs4xdr.c
+@@ -129,7 +129,7 @@ static void next_decode_page(struct nfsd4_compoundargs *argp)
+ 	argp->p = page_address(argp->pagelist[0]);
+ 	argp->pagelist++;
+ 	if (argp->pagelen < PAGE_SIZE) {
+-		argp->end = argp->p + (argp->pagelen>>2);
++		argp->end = argp->p + XDR_QUADLEN(argp->pagelen);
+ 		argp->pagelen = 0;
+ 	} else {
+ 		argp->end = argp->p + (PAGE_SIZE>>2);
+@@ -1246,9 +1246,7 @@ nfsd4_decode_write(struct nfsd4_compoundargs *argp, struct nfsd4_write *write)
+ 		argp->pagelen -= pages * PAGE_SIZE;
+ 		len -= pages * PAGE_SIZE;
+ 
+-		argp->p = (__be32 *)page_address(argp->pagelist[0]);
+-		argp->pagelist++;
+-		argp->end = argp->p + XDR_QUADLEN(PAGE_SIZE);
++		next_decode_page(argp);
+ 	}
+ 	argp->p += XDR_QUADLEN(len);
+ 
+diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
+index 31e1d639abed..dc81e5287ebf 100644
+--- a/include/asm-generic/vmlinux.lds.h
++++ b/include/asm-generic/vmlinux.lds.h
+@@ -59,6 +59,22 @@
+ /* Align . to a 8 byte boundary equals to maximum function alignment. */
+ #define ALIGN_FUNCTION()  . = ALIGN(8)
+ 
++/*
++ * LD_DEAD_CODE_DATA_ELIMINATION option enables -fdata-sections, which
++ * generates .data.identifier sections, which need to be pulled in with
++ * .data. We don't want to pull in .data..other sections, which Linux
++ * has defined. Same for text and bss.
++ */
++#ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
++#define TEXT_MAIN .text .text.[0-9a-zA-Z_]*
++#define DATA_MAIN .data .data.[0-9a-zA-Z_]*
++#define BSS_MAIN .bss .bss.[0-9a-zA-Z_]*
++#else
++#define TEXT_MAIN .text
++#define DATA_MAIN .data
++#define BSS_MAIN .bss
++#endif
++
+ /*
+  * Align to a 32 byte boundary equal to the
+  * alignment gcc 4.5 uses for a struct
+@@ -198,12 +214,9 @@
+ 
+ /*
+  * .data section
+- * LD_DEAD_CODE_DATA_ELIMINATION option enables -fdata-sections generates
+- * .data.identifier which needs to be pulled in with .data, but don't want to
+- * pull in .data..stuff which has its own requirements. Same for bss.
+  */
+ #define DATA_DATA							\
+-	*(.data .data.[0-9a-zA-Z_]*)					\
++	*(DATA_MAIN)							\
+ 	*(.ref.data)							\
+ 	*(.data..shared_aligned) /* percpu related */			\
+ 	MEM_KEEP(init.data)						\
+@@ -436,16 +449,17 @@
+ 		VMLINUX_SYMBOL(__security_initcall_end) = .;		\
+ 	}
+ 
+-/* .text section. Map to function alignment to avoid address changes
++/*
++ * .text section. Map to function alignment to avoid address changes
+  * during second ld run in second ld pass when generating System.map
+- * LD_DEAD_CODE_DATA_ELIMINATION option enables -ffunction-sections generates
+- * .text.identifier which needs to be pulled in with .text , but some
+- * architectures define .text.foo which is not intended to be pulled in here.
+- * Those enabling LD_DEAD_CODE_DATA_ELIMINATION must ensure they don't have
+- * conflicting section names, and must pull in .text.[0-9a-zA-Z_]* */
++ *
++ * TEXT_MAIN here will match .text.fixup and .text.unlikely if dead
++ * code elimination is enabled, so these sections should be converted
++ * to use ".." first.
++ */
+ #define TEXT_TEXT							\
+ 		ALIGN_FUNCTION();					\
+-		*(.text.hot .text .text.fixup .text.unlikely)		\
++		*(.text.hot TEXT_MAIN .text.fixup .text.unlikely)	\
+ 		*(.ref.text)						\
+ 	MEM_KEEP(init.text)						\
+ 	MEM_KEEP(exit.text)						\
+@@ -613,7 +627,7 @@
+ 		BSS_FIRST_SECTIONS					\
+ 		*(.bss..page_aligned)					\
+ 		*(.dynbss)						\
+-		*(.bss .bss.[0-9a-zA-Z_]*)				\
++		*(BSS_MAIN)						\
+ 		*(COMMON)						\
+ 	}
+ 
+diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
+index a13b031dc6b8..3101141661a1 100644
+--- a/include/linux/bpf_verifier.h
++++ b/include/linux/bpf_verifier.h
+@@ -40,6 +40,7 @@ struct bpf_reg_state {
+ 	 */
+ 	s64 min_value;
+ 	u64 max_value;
++	bool value_from_signed;
+ };
+ 
+ enum bpf_stack_slot_type {
+diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
+index ba1cad7b97cf..965cc5693a46 100644
+--- a/include/linux/cpuhotplug.h
++++ b/include/linux/cpuhotplug.h
+@@ -10,7 +10,6 @@ enum cpuhp_state {
+ 	CPUHP_PERF_X86_PREPARE,
+ 	CPUHP_PERF_X86_UNCORE_PREP,
+ 	CPUHP_PERF_X86_AMD_UNCORE_PREP,
+-	CPUHP_PERF_X86_RAPL_PREP,
+ 	CPUHP_PERF_BFIN,
+ 	CPUHP_PERF_POWER,
+ 	CPUHP_PERF_SUPERH,
+diff --git a/include/linux/fs.h b/include/linux/fs.h
+index 2f63d44368bd..dd88ded27fc8 100644
+--- a/include/linux/fs.h
++++ b/include/linux/fs.h
+@@ -941,9 +941,9 @@ static inline struct file *get_file(struct file *f)
+ /* Page cache limit. The filesystems should put that into their s_maxbytes 
+    limits, otherwise bad things can happen in VM. */ 
+ #if BITS_PER_LONG==32
+-#define MAX_LFS_FILESIZE	(((loff_t)PAGE_SIZE << (BITS_PER_LONG-1))-1)
++#define MAX_LFS_FILESIZE	((loff_t)ULONG_MAX << PAGE_SHIFT)
+ #elif BITS_PER_LONG==64
+-#define MAX_LFS_FILESIZE 	((loff_t)0x7fffffffffffffffLL)
++#define MAX_LFS_FILESIZE 	((loff_t)LLONG_MAX)
+ #endif
+ 
+ #define FL_POSIX	1
+diff --git a/include/linux/ptr_ring.h b/include/linux/ptr_ring.h
+index 6c70444da3b9..b83507c0640c 100644
+--- a/include/linux/ptr_ring.h
++++ b/include/linux/ptr_ring.h
+@@ -340,9 +340,9 @@ static inline void *ptr_ring_consume_bh(struct ptr_ring *r)
+ 	__PTR_RING_PEEK_CALL_v; \
+ })
+ 
+-static inline void **__ptr_ring_init_queue_alloc(int size, gfp_t gfp)
++static inline void **__ptr_ring_init_queue_alloc(unsigned int size, gfp_t gfp)
+ {
+-	return kzalloc(ALIGN(size * sizeof(void *), SMP_CACHE_BYTES), gfp);
++	return kcalloc(size, sizeof(void *), gfp);
+ }
+ 
+ static inline int ptr_ring_init(struct ptr_ring *r, int size, gfp_t gfp)
+@@ -417,7 +417,8 @@ static inline int ptr_ring_resize(struct ptr_ring *r, int size, gfp_t gfp,
+  * In particular if you consume ring in interrupt or BH context, you must
+  * disable interrupts/BH when doing so.
+  */
+-static inline int ptr_ring_resize_multiple(struct ptr_ring **rings, int nrings,
++static inline int ptr_ring_resize_multiple(struct ptr_ring **rings,
++					   unsigned int nrings,
+ 					   int size,
+ 					   gfp_t gfp, void (*destroy)(void *))
+ {
+@@ -425,7 +426,7 @@ static inline int ptr_ring_resize_multiple(struct ptr_ring **rings, int nrings,
+ 	void ***queues;
+ 	int i;
+ 
+-	queues = kmalloc(nrings * sizeof *queues, gfp);
++	queues = kmalloc_array(nrings, sizeof(*queues), gfp);
+ 	if (!queues)
+ 		goto noqueues;
+ 
+diff --git a/include/linux/skb_array.h b/include/linux/skb_array.h
+index f4dfade428f0..be8b902b5845 100644
+--- a/include/linux/skb_array.h
++++ b/include/linux/skb_array.h
+@@ -162,7 +162,8 @@ static inline int skb_array_resize(struct skb_array *a, int size, gfp_t gfp)
+ }
+ 
+ static inline int skb_array_resize_multiple(struct skb_array **rings,
+-					    int nrings, int size, gfp_t gfp)
++					    int nrings, unsigned int size,
++					    gfp_t gfp)
+ {
+ 	BUILD_BUG_ON(offsetof(struct skb_array, ring));
+ 	return ptr_ring_resize_multiple((struct ptr_ring **)rings,
+diff --git a/include/net/ip.h b/include/net/ip.h
+index d3a107850a41..51c6b9786c46 100644
+--- a/include/net/ip.h
++++ b/include/net/ip.h
+@@ -339,7 +339,7 @@ static inline unsigned int ip_dst_mtu_maybe_forward(const struct dst_entry *dst,
+ 	    !forwarding)
+ 		return dst_mtu(dst);
+ 
+-	return min(dst->dev->mtu, IP_MAX_MTU);
++	return min(READ_ONCE(dst->dev->mtu), IP_MAX_MTU);
+ }
+ 
+ static inline unsigned int ip_skb_dst_mtu(struct sock *sk,
+@@ -351,7 +351,7 @@ static inline unsigned int ip_skb_dst_mtu(struct sock *sk,
+ 		return ip_dst_mtu_maybe_forward(skb_dst(skb), forwarding);
+ 	}
+ 
+-	return min(skb_dst(skb)->dev->mtu, IP_MAX_MTU);
++	return min(READ_ONCE(skb_dst(skb)->dev->mtu), IP_MAX_MTU);
+ }
+ 
+ u32 ip_idents_reserve(u32 hash, int segs);
+diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
+index e6aa0a249672..f18fc1a0321f 100644
+--- a/include/net/sch_generic.h
++++ b/include/net/sch_generic.h
+@@ -768,8 +768,11 @@ static inline struct Qdisc *qdisc_replace(struct Qdisc *sch, struct Qdisc *new,
+ 	old = *pold;
+ 	*pold = new;
+ 	if (old != NULL) {
+-		qdisc_tree_reduce_backlog(old, old->q.qlen, old->qstats.backlog);
++		unsigned int qlen = old->q.qlen;
++		unsigned int backlog = old->qstats.backlog;
++
+ 		qdisc_reset(old);
++		qdisc_tree_reduce_backlog(old, qlen, backlog);
+ 	}
+ 	sch_tree_unlock(sch);
+ 
+diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
+index 8ce679d36c58..779c871c5dcd 100644
+--- a/kernel/bpf/verifier.c
++++ b/kernel/bpf/verifier.c
+@@ -139,7 +139,7 @@ struct bpf_verifier_stack_elem {
+ 	struct bpf_verifier_stack_elem *next;
+ };
+ 
+-#define BPF_COMPLEXITY_LIMIT_INSNS	65536
++#define BPF_COMPLEXITY_LIMIT_INSNS	98304
+ #define BPF_COMPLEXITY_LIMIT_STACK	1024
+ 
+ struct bpf_call_arg_meta {
+@@ -682,12 +682,13 @@ static int check_ctx_access(struct bpf_verifier_env *env, int off, int size,
+ 	return -EACCES;
+ }
+ 
+-static bool is_pointer_value(struct bpf_verifier_env *env, int regno)
++static bool __is_pointer_value(bool allow_ptr_leaks,
++			       const struct bpf_reg_state *reg)
+ {
+-	if (env->allow_ptr_leaks)
++	if (allow_ptr_leaks)
+ 		return false;
+ 
+-	switch (env->cur_state.regs[regno].type) {
++	switch (reg->type) {
+ 	case UNKNOWN_VALUE:
+ 	case CONST_IMM:
+ 		return false;
+@@ -696,6 +697,11 @@ static bool is_pointer_value(struct bpf_verifier_env *env, int regno)
+ 	}
+ }
+ 
++static bool is_pointer_value(struct bpf_verifier_env *env, int regno)
++{
++	return __is_pointer_value(env->allow_ptr_leaks, &env->cur_state.regs[regno]);
++}
++
+ static int check_ptr_alignment(struct bpf_verifier_env *env,
+ 			       struct bpf_reg_state *reg, int off, int size)
+ {
+@@ -1467,6 +1473,65 @@ static int evaluate_reg_alu(struct bpf_verifier_env *env, struct bpf_insn *insn)
+ 	return 0;
+ }
+ 
++static int evaluate_reg_imm_alu_unknown(struct bpf_verifier_env *env,
++					struct bpf_insn *insn)
++{
++	struct bpf_reg_state *regs = env->cur_state.regs;
++	struct bpf_reg_state *dst_reg = &regs[insn->dst_reg];
++	struct bpf_reg_state *src_reg = &regs[insn->src_reg];
++	u8 opcode = BPF_OP(insn->code);
++	s64 imm_log2 = __ilog2_u64((long long)dst_reg->imm);
++
++	/* BPF_X code with src_reg->type UNKNOWN_VALUE here. */
++	if (src_reg->imm > 0 && dst_reg->imm) {
++		switch (opcode) {
++		case BPF_ADD:
++			/* dreg += sreg
++			 * where both have zero upper bits. Adding them
++			 * can only result making one more bit non-zero
++			 * in the larger value.
++			 * Ex. 0xffff (imm=48) + 1 (imm=63) = 0x10000 (imm=47)
++			 *     0xffff (imm=48) + 0xffff = 0x1fffe (imm=47)
++			 */
++			dst_reg->imm = min(src_reg->imm, 63 - imm_log2);
++			dst_reg->imm--;
++			break;
++		case BPF_AND:
++			/* dreg &= sreg
++			 * AND can not extend zero bits only shrink
++			 * Ex.  0x00..00ffffff
++			 *    & 0x0f..ffffffff
++			 *     ----------------
++			 *      0x00..00ffffff
++			 */
++			dst_reg->imm = max(src_reg->imm, 63 - imm_log2);
++			break;
++		case BPF_OR:
++			/* dreg |= sreg
++			 * OR can only extend zero bits
++			 * Ex.  0x00..00ffffff
++			 *    | 0x0f..ffffffff
++			 *     ----------------
++			 *      0x0f..00ffffff
++			 */
++			dst_reg->imm = min(src_reg->imm, 63 - imm_log2);
++			break;
++		case BPF_SUB:
++		case BPF_MUL:
++		case BPF_RSH:
++		case BPF_LSH:
++			/* These may be flushed out later */
++		default:
++			mark_reg_unknown_value(regs, insn->dst_reg);
++		}
++	} else {
++		mark_reg_unknown_value(regs, insn->dst_reg);
++	}
++
++	dst_reg->type = UNKNOWN_VALUE;
++	return 0;
++}
++
+ static int evaluate_reg_imm_alu(struct bpf_verifier_env *env,
+ 				struct bpf_insn *insn)
+ {
+@@ -1475,6 +1540,9 @@ static int evaluate_reg_imm_alu(struct bpf_verifier_env *env,
+ 	struct bpf_reg_state *src_reg = &regs[insn->src_reg];
+ 	u8 opcode = BPF_OP(insn->code);
+ 
++	if (BPF_SRC(insn->code) == BPF_X && src_reg->type == UNKNOWN_VALUE)
++		return evaluate_reg_imm_alu_unknown(env, insn);
++
+ 	/* dst_reg->type == CONST_IMM here, simulate execution of 'add' insn.
+ 	 * Don't care about overflow or negative values, just add them
+ 	 */
+@@ -1530,10 +1598,24 @@ static void adjust_reg_min_max_vals(struct bpf_verifier_env *env,
+ 	}
+ 
+ 	/* We don't know anything about what was done to this register, mark it
+-	 * as unknown.
++	 * as unknown. Also, if both derived bounds came from signed/unsigned
++	 * mixed compares and one side is unbounded, we cannot really do anything
++	 * with them as boundaries cannot be trusted. Thus, arithmetic of two
++	 * regs of such kind will get invalidated bounds on the dst side.
+ 	 */
+-	if (min_val == BPF_REGISTER_MIN_RANGE &&
+-	    max_val == BPF_REGISTER_MAX_RANGE) {
++	if ((min_val == BPF_REGISTER_MIN_RANGE &&
++	     max_val == BPF_REGISTER_MAX_RANGE) ||
++	    (BPF_SRC(insn->code) == BPF_X &&
++	     ((min_val != BPF_REGISTER_MIN_RANGE &&
++	       max_val == BPF_REGISTER_MAX_RANGE) ||
++	      (min_val == BPF_REGISTER_MIN_RANGE &&
++	       max_val != BPF_REGISTER_MAX_RANGE) ||
++	      (dst_reg->min_value != BPF_REGISTER_MIN_RANGE &&
++	       dst_reg->max_value == BPF_REGISTER_MAX_RANGE) ||
++	      (dst_reg->min_value == BPF_REGISTER_MIN_RANGE &&
++	       dst_reg->max_value != BPF_REGISTER_MAX_RANGE)) &&
++	     regs[insn->dst_reg].value_from_signed !=
++	     regs[insn->src_reg].value_from_signed)) {
+ 		reset_reg_range_values(regs, insn->dst_reg);
+ 		return;
+ 	}
+@@ -1542,10 +1624,12 @@ static void adjust_reg_min_max_vals(struct bpf_verifier_env *env,
+ 	 * do our normal operations to the register, we need to set the values
+ 	 * to the min/max since they are undefined.
+ 	 */
+-	if (min_val == BPF_REGISTER_MIN_RANGE)
+-		dst_reg->min_value = BPF_REGISTER_MIN_RANGE;
+-	if (max_val == BPF_REGISTER_MAX_RANGE)
+-		dst_reg->max_value = BPF_REGISTER_MAX_RANGE;
++	if (opcode != BPF_SUB) {
++		if (min_val == BPF_REGISTER_MIN_RANGE)
++			dst_reg->min_value = BPF_REGISTER_MIN_RANGE;
++		if (max_val == BPF_REGISTER_MAX_RANGE)
++			dst_reg->max_value = BPF_REGISTER_MAX_RANGE;
++	}
+ 
+ 	switch (opcode) {
+ 	case BPF_ADD:
+@@ -1555,10 +1639,17 @@ static void adjust_reg_min_max_vals(struct bpf_verifier_env *env,
+ 			dst_reg->max_value += max_val;
+ 		break;
+ 	case BPF_SUB:
++		/* If one of our values was at the end of our ranges, then the
++		 * _opposite_ value in the dst_reg goes to the end of our range.
++		 */
++		if (min_val == BPF_REGISTER_MIN_RANGE)
++			dst_reg->max_value = BPF_REGISTER_MAX_RANGE;
++		if (max_val == BPF_REGISTER_MAX_RANGE)
++			dst_reg->min_value = BPF_REGISTER_MIN_RANGE;
+ 		if (dst_reg->min_value != BPF_REGISTER_MIN_RANGE)
+-			dst_reg->min_value -= min_val;
++			dst_reg->min_value -= max_val;
+ 		if (dst_reg->max_value != BPF_REGISTER_MAX_RANGE)
+-			dst_reg->max_value -= max_val;
++			dst_reg->max_value -= min_val;
+ 		break;
+ 	case BPF_MUL:
+ 		if (dst_reg->min_value != BPF_REGISTER_MIN_RANGE)
+@@ -1808,6 +1899,7 @@ static int check_alu_op(struct bpf_verifier_env *env, struct bpf_insn *insn)
+ 		 * register as unknown.
+ 		 */
+ 		if (env->allow_ptr_leaks &&
++		    BPF_CLASS(insn->code) == BPF_ALU64 && opcode == BPF_ADD &&
+ 		    (dst_reg->type == PTR_TO_MAP_VALUE ||
+ 		     dst_reg->type == PTR_TO_MAP_VALUE_ADJ))
+ 			dst_reg->type = PTR_TO_MAP_VALUE_ADJ;
+@@ -1876,38 +1968,63 @@ static void reg_set_min_max(struct bpf_reg_state *true_reg,
+ 			    struct bpf_reg_state *false_reg, u64 val,
+ 			    u8 opcode)
+ {
++	bool value_from_signed = true;
++	bool is_range = true;
++
+ 	switch (opcode) {
+ 	case BPF_JEQ:
+ 		/* If this is false then we know nothing Jon Snow, but if it is
+ 		 * true then we know for sure.
+ 		 */
+ 		true_reg->max_value = true_reg->min_value = val;
++		is_range = false;
+ 		break;
+ 	case BPF_JNE:
+ 		/* If this is true we know nothing Jon Snow, but if it is false
+ 		 * we know the value for sure;
+ 		 */
+ 		false_reg->max_value = false_reg->min_value = val;
++		is_range = false;
+ 		break;
+ 	case BPF_JGT:
+-		/* Unsigned comparison, the minimum value is 0. */
+-		false_reg->min_value = 0;
++		value_from_signed = false;
++		/* fallthrough */
+ 	case BPF_JSGT:
++		if (true_reg->value_from_signed != value_from_signed)
++			reset_reg_range_values(true_reg, 0);
++		if (false_reg->value_from_signed != value_from_signed)
++			reset_reg_range_values(false_reg, 0);
++		if (opcode == BPF_JGT) {
++			/* Unsigned comparison, the minimum value is 0. */
++			false_reg->min_value = 0;
++		}
+ 		/* If this is false then we know the maximum val is val,
+ 		 * otherwise we know the min val is val+1.
+ 		 */
+ 		false_reg->max_value = val;
++		false_reg->value_from_signed = value_from_signed;
+ 		true_reg->min_value = val + 1;
++		true_reg->value_from_signed = value_from_signed;
+ 		break;
+ 	case BPF_JGE:
+-		/* Unsigned comparison, the minimum value is 0. */
+-		false_reg->min_value = 0;
++		value_from_signed = false;
++		/* fallthrough */
+ 	case BPF_JSGE:
++		if (true_reg->value_from_signed != value_from_signed)
++			reset_reg_range_values(true_reg, 0);
++		if (false_reg->value_from_signed != value_from_signed)
++			reset_reg_range_values(false_reg, 0);
++		if (opcode == BPF_JGE) {
++			/* Unsigned comparison, the minimum value is 0. */
++			false_reg->min_value = 0;
++		}
+ 		/* If this is false then we know the maximum value is val - 1,
+ 		 * otherwise we know the mimimum value is val.
+ 		 */
+ 		false_reg->max_value = val - 1;
++		false_reg->value_from_signed = value_from_signed;
+ 		true_reg->min_value = val;
++		true_reg->value_from_signed = value_from_signed;
+ 		break;
+ 	default:
+ 		break;
+@@ -1915,6 +2032,12 @@ static void reg_set_min_max(struct bpf_reg_state *true_reg,
+ 
+ 	check_reg_overflow(false_reg);
+ 	check_reg_overflow(true_reg);
++	if (is_range) {
++		if (__is_pointer_value(false, false_reg))
++			reset_reg_range_values(false_reg, 0);
++		if (__is_pointer_value(false, true_reg))
++			reset_reg_range_values(true_reg, 0);
++	}
+ }
+ 
+ /* Same as above, but for the case that dst_reg is a CONST_IMM reg and src_reg
+@@ -1924,39 +2047,64 @@ static void reg_set_min_max_inv(struct bpf_reg_state *true_reg,
+ 				struct bpf_reg_state *false_reg, u64 val,
+ 				u8 opcode)
+ {
++	bool value_from_signed = true;
++	bool is_range = true;
++
+ 	switch (opcode) {
+ 	case BPF_JEQ:
+ 		/* If this is false then we know nothing Jon Snow, but if it is
+ 		 * true then we know for sure.
+ 		 */
+ 		true_reg->max_value = true_reg->min_value = val;
++		is_range = false;
+ 		break;
+ 	case BPF_JNE:
+ 		/* If this is true we know nothing Jon Snow, but if it is false
+ 		 * we know the value for sure;
+ 		 */
+ 		false_reg->max_value = false_reg->min_value = val;
++		is_range = false;
+ 		break;
+ 	case BPF_JGT:
+-		/* Unsigned comparison, the minimum value is 0. */
+-		true_reg->min_value = 0;
++		value_from_signed = false;
++		/* fallthrough */
+ 	case BPF_JSGT:
++		if (true_reg->value_from_signed != value_from_signed)
++			reset_reg_range_values(true_reg, 0);
++		if (false_reg->value_from_signed != value_from_signed)
++			reset_reg_range_values(false_reg, 0);
++		if (opcode == BPF_JGT) {
++			/* Unsigned comparison, the minimum value is 0. */
++			true_reg->min_value = 0;
++		}
+ 		/*
+ 		 * If this is false, then the val is <= the register, if it is
+ 		 * true the register <= to the val.
+ 		 */
+ 		false_reg->min_value = val;
++		false_reg->value_from_signed = value_from_signed;
+ 		true_reg->max_value = val - 1;
++		true_reg->value_from_signed = value_from_signed;
+ 		break;
+ 	case BPF_JGE:
+-		/* Unsigned comparison, the minimum value is 0. */
+-		true_reg->min_value = 0;
++		value_from_signed = false;
++		/* fallthrough */
+ 	case BPF_JSGE:
++		if (true_reg->value_from_signed != value_from_signed)
++			reset_reg_range_values(true_reg, 0);
++		if (false_reg->value_from_signed != value_from_signed)
++			reset_reg_range_values(false_reg, 0);
++		if (opcode == BPF_JGE) {
++			/* Unsigned comparison, the minimum value is 0. */
++			true_reg->min_value = 0;
++		}
+ 		/* If this is false then constant < register, if it is true then
+ 		 * the register < constant.
+ 		 */
+ 		false_reg->min_value = val + 1;
++		false_reg->value_from_signed = value_from_signed;
+ 		true_reg->max_value = val;
++		true_reg->value_from_signed = value_from_signed;
+ 		break;
+ 	default:
+ 		break;
+@@ -1964,6 +2112,12 @@ static void reg_set_min_max_inv(struct bpf_reg_state *true_reg,
+ 
+ 	check_reg_overflow(false_reg);
+ 	check_reg_overflow(true_reg);
++	if (is_range) {
++		if (__is_pointer_value(false, false_reg))
++			reset_reg_range_values(false_reg, 0);
++		if (__is_pointer_value(false, true_reg))
++			reset_reg_range_values(true_reg, 0);
++	}
+ }
+ 
+ static void mark_map_reg(struct bpf_reg_state *regs, u32 regno, u32 id,
+@@ -2390,6 +2544,7 @@ static int check_cfg(struct bpf_verifier_env *env)
+ 				env->explored_states[t + 1] = STATE_LIST_MARK;
+ 		} else {
+ 			/* conditional jump with two edges */
++			env->explored_states[t] = STATE_LIST_MARK;
+ 			ret = push_insn(t, t + 1, FALLTHROUGH, env);
+ 			if (ret == 1)
+ 				goto peek_stack;
+@@ -2548,6 +2703,12 @@ static bool states_equal(struct bpf_verifier_env *env,
+ 		     rcur->type != NOT_INIT))
+ 			continue;
+ 
++		/* Don't care about the reg->id in this case. */
++		if (rold->type == PTR_TO_MAP_VALUE_OR_NULL &&
++		    rcur->type == PTR_TO_MAP_VALUE_OR_NULL &&
++		    rold->map_ptr == rcur->map_ptr)
++			continue;
++
+ 		if (rold->type == PTR_TO_PACKET && rcur->type == PTR_TO_PACKET &&
+ 		    compare_ptrs_to_packet(rold, rcur))
+ 			continue;
+@@ -2682,6 +2843,9 @@ static int do_check(struct bpf_verifier_env *env)
+ 			goto process_bpf_exit;
+ 		}
+ 
++		if (need_resched())
++			cond_resched();
++
+ 		if (log_level && do_print_state) {
+ 			verbose("\nfrom %d to %d:", prev_insn_idx, insn_idx);
+ 			print_verifier_state(&env->cur_state);
+diff --git a/kernel/events/core.c b/kernel/events/core.c
+index f5a693589d66..c774773ac3a4 100644
+--- a/kernel/events/core.c
++++ b/kernel/events/core.c
+@@ -9786,28 +9786,27 @@ SYSCALL_DEFINE5(perf_event_open,
+ 			goto err_context;
+ 
+ 		/*
+-		 * Do not allow to attach to a group in a different
+-		 * task or CPU context:
++		 * Make sure we're both events for the same CPU;
++		 * grouping events for different CPUs is broken; since
++		 * you can never concurrently schedule them anyhow.
+ 		 */
+-		if (move_group) {
+-			/*
+-			 * Make sure we're both on the same task, or both
+-			 * per-cpu events.
+-			 */
+-			if (group_leader->ctx->task != ctx->task)
+-				goto err_context;
++		if (group_leader->cpu != event->cpu)
++			goto err_context;
+ 
+-			/*
+-			 * Make sure we're both events for the same CPU;
+-			 * grouping events for different CPUs is broken; since
+-			 * you can never concurrently schedule them anyhow.
+-			 */
+-			if (group_leader->cpu != event->cpu)
+-				goto err_context;
+-		} else {
+-			if (group_leader->ctx != ctx)
+-				goto err_context;
+-		}
++		/*
++		 * Make sure we're both on the same task, or both
++		 * per-CPU events.
++		 */
++		if (group_leader->ctx->task != ctx->task)
++			goto err_context;
++
++		/*
++		 * Do not allow to attach to a group in a different task
++		 * or CPU context. If we're moving SW events, we'll fix
++		 * this up later, so allow that.
++		 */
++		if (!move_group && group_leader->ctx != ctx)
++			goto err_context;
+ 
+ 		/*
+ 		 * Only a group leader can be exclusive or pinned
+diff --git a/kernel/fork.c b/kernel/fork.c
+index 59faac4de181..50bf262cc427 100644
+--- a/kernel/fork.c
++++ b/kernel/fork.c
+@@ -766,6 +766,7 @@ static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p,
+ 	mm_init_cpumask(mm);
+ 	mm_init_aio(mm);
+ 	mm_init_owner(mm, p);
++	RCU_INIT_POINTER(mm->exe_file, NULL);
+ 	mmu_notifier_mm_init(mm);
+ 	clear_tlb_flush_pending(mm);
+ #if defined(CONFIG_TRANSPARENT_HUGEPAGE) && !USE_SPLIT_PMD_PTLOCKS
+diff --git a/kernel/time/timer.c b/kernel/time/timer.c
+index 944ad64277a6..df445cde8a1e 100644
+--- a/kernel/time/timer.c
++++ b/kernel/time/timer.c
+@@ -201,6 +201,7 @@ struct timer_base {
+ 	bool			migration_enabled;
+ 	bool			nohz_active;
+ 	bool			is_idle;
++	bool			must_forward_clk;
+ 	DECLARE_BITMAP(pending_map, WHEEL_SIZE);
+ 	struct hlist_head	vectors[WHEEL_SIZE];
+ } ____cacheline_aligned;
+@@ -891,13 +892,19 @@ get_target_base(struct timer_base *base, unsigned tflags)
+ 
+ static inline void forward_timer_base(struct timer_base *base)
+ {
+-	unsigned long jnow = READ_ONCE(jiffies);
++	unsigned long jnow;
+ 
+ 	/*
+-	 * We only forward the base when it's idle and we have a delta between
+-	 * base clock and jiffies.
++	 * We only forward the base when we are idle or have just come out of
++	 * idle (must_forward_clk logic), and have a delta between base clock
++	 * and jiffies. In the common case, run_timers will take care of it.
+ 	 */
+-	if (!base->is_idle || (long) (jnow - base->clk) < 2)
++	if (likely(!base->must_forward_clk))
++		return;
++
++	jnow = READ_ONCE(jiffies);
++	base->must_forward_clk = base->is_idle;
++	if ((long)(jnow - base->clk) < 2)
+ 		return;
+ 
+ 	/*
+@@ -973,6 +980,11 @@ __mod_timer(struct timer_list *timer, unsigned long expires, bool pending_only)
+ 	 * same array bucket then just return:
+ 	 */
+ 	if (timer_pending(timer)) {
++		/*
++		 * The downside of this optimization is that it can result in
++		 * larger granularity than you would get from adding a new
++		 * timer with this expiry.
++		 */
+ 		if (timer->expires == expires)
+ 			return 1;
+ 
+@@ -983,6 +995,7 @@ __mod_timer(struct timer_list *timer, unsigned long expires, bool pending_only)
+ 		 * dequeue/enqueue dance.
+ 		 */
+ 		base = lock_timer_base(timer, &flags);
++		forward_timer_base(base);
+ 
+ 		clk = base->clk;
+ 		idx = calc_wheel_index(expires, clk);
+@@ -999,6 +1012,7 @@ __mod_timer(struct timer_list *timer, unsigned long expires, bool pending_only)
+ 		}
+ 	} else {
+ 		base = lock_timer_base(timer, &flags);
++		forward_timer_base(base);
+ 	}
+ 
+ 	timer_stats_timer_set_start_info(timer);
+@@ -1028,12 +1042,10 @@ __mod_timer(struct timer_list *timer, unsigned long expires, bool pending_only)
+ 			spin_lock(&base->lock);
+ 			WRITE_ONCE(timer->flags,
+ 				   (timer->flags & ~TIMER_BASEMASK) | base->cpu);
++			forward_timer_base(base);
+ 		}
+ 	}
+ 
+-	/* Try to forward a stale timer base clock */
+-	forward_timer_base(base);
+-
+ 	timer->expires = expires;
+ 	/*
+ 	 * If 'idx' was calculated above and the base time did not advance
+@@ -1150,6 +1162,7 @@ void add_timer_on(struct timer_list *timer, int cpu)
+ 		WRITE_ONCE(timer->flags,
+ 			   (timer->flags & ~TIMER_BASEMASK) | cpu);
+ 	}
++	forward_timer_base(base);
+ 
+ 	debug_activate(timer, timer->expires);
+ 	internal_add_timer(base, timer);
+@@ -1538,10 +1551,16 @@ u64 get_next_timer_interrupt(unsigned long basej, u64 basem)
+ 		if (!is_max_delta)
+ 			expires = basem + (u64)(nextevt - basej) * TICK_NSEC;
+ 		/*
+-		 * If we expect to sleep more than a tick, mark the base idle:
++		 * If we expect to sleep more than a tick, mark the base idle.
++		 * Also the tick is stopped so any added timer must forward
++		 * the base clk itself to keep granularity small. This idle
++		 * logic is only maintained for the BASE_STD base, deferrable
++		 * timers may still see large granularity skew (by design).
+ 		 */
+-		if ((expires - basem) > TICK_NSEC)
++		if ((expires - basem) > TICK_NSEC) {
++			base->must_forward_clk = true;
+ 			base->is_idle = true;
++		}
+ 	}
+ 	spin_unlock(&base->lock);
+ 
+@@ -1651,6 +1670,19 @@ static __latent_entropy void run_timer_softirq(struct softirq_action *h)
+ {
+ 	struct timer_base *base = this_cpu_ptr(&timer_bases[BASE_STD]);
+ 
++	/*
++	 * must_forward_clk must be cleared before running timers so that any
++	 * timer functions that call mod_timer will not try to forward the
++	 * base. idle trcking / clock forwarding logic is only used with
++	 * BASE_STD timers.
++	 *
++	 * The deferrable base does not do idle tracking at all, so we do
++	 * not forward it. This can result in very large variations in
++	 * granularity for deferrable timers, but they can be deferred for
++	 * long periods due to idle.
++	 */
++	base->must_forward_clk = false;
++
+ 	__run_timers(base);
+ 	if (IS_ENABLED(CONFIG_NO_HZ_COMMON) && base->nohz_active)
+ 		__run_timers(this_cpu_ptr(&timer_bases[BASE_DEF]));
+diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
+index 5dcb99281259..41805fb3c661 100644
+--- a/kernel/trace/bpf_trace.c
++++ b/kernel/trace/bpf_trace.c
+@@ -203,10 +203,36 @@ BPF_CALL_5(bpf_trace_printk, char *, fmt, u32, fmt_size, u64, arg1,
+ 		fmt_cnt++;
+ 	}
+ 
+-	return __trace_printk(1/* fake ip will not be printed */, fmt,
+-			      mod[0] == 2 ? arg1 : mod[0] == 1 ? (long) arg1 : (u32) arg1,
+-			      mod[1] == 2 ? arg2 : mod[1] == 1 ? (long) arg2 : (u32) arg2,
+-			      mod[2] == 2 ? arg3 : mod[2] == 1 ? (long) arg3 : (u32) arg3);
++/* Horrid workaround for getting va_list handling working with different
++ * argument type combinations generically for 32 and 64 bit archs.
++ */
++#define __BPF_TP_EMIT()	__BPF_ARG3_TP()
++#define __BPF_TP(...)							\
++	__trace_printk(1 /* Fake ip will not be printed. */,		\
++		       fmt, ##__VA_ARGS__)
++
++#define __BPF_ARG1_TP(...)						\
++	((mod[0] == 2 || (mod[0] == 1 && __BITS_PER_LONG == 64))	\
++	  ? __BPF_TP(arg1, ##__VA_ARGS__)				\
++	  : ((mod[0] == 1 || (mod[0] == 0 && __BITS_PER_LONG == 32))	\
++	      ? __BPF_TP((long)arg1, ##__VA_ARGS__)			\
++	      : __BPF_TP((u32)arg1, ##__VA_ARGS__)))
++
++#define __BPF_ARG2_TP(...)						\
++	((mod[1] == 2 || (mod[1] == 1 && __BITS_PER_LONG == 64))	\
++	  ? __BPF_ARG1_TP(arg2, ##__VA_ARGS__)				\
++	  : ((mod[1] == 1 || (mod[1] == 0 && __BITS_PER_LONG == 32))	\
++	      ? __BPF_ARG1_TP((long)arg2, ##__VA_ARGS__)		\
++	      : __BPF_ARG1_TP((u32)arg2, ##__VA_ARGS__)))
++
++#define __BPF_ARG3_TP(...)						\
++	((mod[2] == 2 || (mod[2] == 1 && __BITS_PER_LONG == 64))	\
++	  ? __BPF_ARG2_TP(arg3, ##__VA_ARGS__)				\
++	  : ((mod[2] == 1 || (mod[2] == 0 && __BITS_PER_LONG == 32))	\
++	      ? __BPF_ARG2_TP((long)arg3, ##__VA_ARGS__)		\
++	      : __BPF_ARG2_TP((u32)arg3, ##__VA_ARGS__)))
++
++	return __BPF_TP_EMIT();
+ }
+ 
+ static const struct bpf_func_proto bpf_trace_printk_proto = {
+diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
+index 4f7ea8446bb5..6e432ed7d0fe 100644
+--- a/kernel/trace/ftrace.c
++++ b/kernel/trace/ftrace.c
+@@ -876,6 +876,10 @@ static int profile_graph_entry(struct ftrace_graph_ent *trace)
+ 
+ 	function_profile_call(trace->func, 0, NULL, NULL);
+ 
++	/* If function graph is shutting down, ret_stack can be NULL */
++	if (!current->ret_stack)
++		return 0;
++
+ 	if (index >= 0 && index < FTRACE_RETFUNC_DEPTH)
+ 		current->ret_stack[index].subtime = 0;
+ 
+diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
+index 53c308068e39..7379f735a9f4 100644
+--- a/kernel/trace/trace.c
++++ b/kernel/trace/trace.c
+@@ -7767,4 +7767,4 @@ __init static int clear_boot_tracer(void)
+ }
+ 
+ fs_initcall(tracer_init_tracefs);
+-late_initcall(clear_boot_tracer);
++late_initcall_sync(clear_boot_tracer);
+diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
+index 9daa9b3bc6d9..0193f58c45f0 100644
+--- a/kernel/trace/trace_events_filter.c
++++ b/kernel/trace/trace_events_filter.c
+@@ -1926,6 +1926,10 @@ static int create_filter(struct trace_event_call *call,
+ 		if (err && set_str)
+ 			append_filter_err(ps, filter);
+ 	}
++	if (err && !set_str) {
++		free_event_filter(filter);
++		filter = NULL;
++	}
+ 	create_filter_finish(ps);
+ 
+ 	*filterp = filter;
+diff --git a/kernel/trace/tracing_map.c b/kernel/trace/tracing_map.c
+index 0a689bbb78ef..305039b122fa 100644
+--- a/kernel/trace/tracing_map.c
++++ b/kernel/trace/tracing_map.c
+@@ -221,16 +221,19 @@ void tracing_map_array_free(struct tracing_map_array *a)
+ 	if (!a)
+ 		return;
+ 
+-	if (!a->pages) {
+-		kfree(a);
+-		return;
+-	}
++	if (!a->pages)
++		goto free;
+ 
+ 	for (i = 0; i < a->n_pages; i++) {
+ 		if (!a->pages[i])
+ 			break;
+ 		free_page((unsigned long)a->pages[i]);
+ 	}
++
++	kfree(a->pages);
++
++ free:
++	kfree(a);
+ }
+ 
+ struct tracing_map_array *tracing_map_array_alloc(unsigned int n_elts,
+diff --git a/mm/madvise.c b/mm/madvise.c
+index 253b1533fba5..63a12162f4c6 100644
+--- a/mm/madvise.c
++++ b/mm/madvise.c
+@@ -331,8 +331,8 @@ static int madvise_free_pte_range(pmd_t *pmd, unsigned long addr,
+ 				pte_offset_map_lock(mm, pmd, addr, &ptl);
+ 				goto out;
+ 			}
+-			put_page(page);
+ 			unlock_page(page);
++			put_page(page);
+ 			pte = pte_offset_map_lock(mm, pmd, addr, &ptl);
+ 			pte--;
+ 			addr -= PAGE_SIZE;
+diff --git a/mm/memblock.c b/mm/memblock.c
+index ccec42c12ba8..42b98af6a415 100644
+--- a/mm/memblock.c
++++ b/mm/memblock.c
+@@ -311,7 +311,7 @@ void __init memblock_discard(void)
+ 		__memblock_free_late(addr, size);
+ 	}
+ 
+-	if (memblock.memory.regions == memblock_memory_init_regions) {
++	if (memblock.memory.regions != memblock_memory_init_regions) {
+ 		addr = __pa(memblock.memory.regions);
+ 		size = PAGE_ALIGN(sizeof(struct memblock_region) *
+ 				  memblock.memory.max);
+diff --git a/mm/shmem.c b/mm/shmem.c
+index 7ee5444ffb6d..004e0f87e8a8 100644
+--- a/mm/shmem.c
++++ b/mm/shmem.c
+@@ -3810,7 +3810,7 @@ int __init shmem_init(void)
+ 	}
+ 
+ #ifdef CONFIG_TRANSPARENT_HUGE_PAGECACHE
+-	if (has_transparent_hugepage() && shmem_huge < SHMEM_HUGE_DENY)
++	if (has_transparent_hugepage() && shmem_huge > SHMEM_HUGE_DENY)
+ 		SHMEM_SB(shm_mnt->mnt_sb)->huge = shmem_huge;
+ 	else
+ 		shmem_huge = 0; /* just in case it was patched */
+@@ -3871,7 +3871,7 @@ static ssize_t shmem_enabled_store(struct kobject *kobj,
+ 		return -EINVAL;
+ 
+ 	shmem_huge = huge;
+-	if (shmem_huge < SHMEM_HUGE_DENY)
++	if (shmem_huge > SHMEM_HUGE_DENY)
+ 		SHMEM_SB(shm_mnt->mnt_sb)->huge = shmem_huge;
+ 	return count;
+ }
+diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
+index fbf251fef70f..4d6b94d7ce5f 100644
+--- a/net/bluetooth/bnep/core.c
++++ b/net/bluetooth/bnep/core.c
+@@ -484,16 +484,16 @@ static int bnep_session(void *arg)
+ 	struct net_device *dev = s->dev;
+ 	struct sock *sk = s->sock->sk;
+ 	struct sk_buff *skb;
+-	wait_queue_t wait;
++	DEFINE_WAIT_FUNC(wait, woken_wake_function);
+ 
+ 	BT_DBG("");
+ 
+ 	set_user_nice(current, -15);
+ 
+-	init_waitqueue_entry(&wait, current);
+ 	add_wait_queue(sk_sleep(sk), &wait);
+ 	while (1) {
+-		set_current_state(TASK_INTERRUPTIBLE);
++		/* Ensure session->terminate is updated */
++		smp_mb__before_atomic();
+ 
+ 		if (atomic_read(&s->terminate))
+ 			break;
+@@ -515,9 +515,8 @@ static int bnep_session(void *arg)
+ 				break;
+ 		netif_wake_queue(dev);
+ 
+-		schedule();
++		wait_woken(&wait, TASK_INTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT);
+ 	}
+-	__set_current_state(TASK_RUNNING);
+ 	remove_wait_queue(sk_sleep(sk), &wait);
+ 
+ 	/* Cleanup session */
+@@ -666,7 +665,7 @@ int bnep_del_connection(struct bnep_conndel_req *req)
+ 	s = __bnep_get_session(req->dst);
+ 	if (s) {
+ 		atomic_inc(&s->terminate);
+-		wake_up_process(s->task);
++		wake_up_interruptible(sk_sleep(s->sock->sk));
+ 	} else
+ 		err = -ENOENT;
+ 
+diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c
+index 9e59b6654126..1152ce34dad4 100644
+--- a/net/bluetooth/cmtp/core.c
++++ b/net/bluetooth/cmtp/core.c
+@@ -280,16 +280,16 @@ static int cmtp_session(void *arg)
+ 	struct cmtp_session *session = arg;
+ 	struct sock *sk = session->sock->sk;
+ 	struct sk_buff *skb;
+-	wait_queue_t wait;
++	DEFINE_WAIT_FUNC(wait, woken_wake_function);
+ 
+ 	BT_DBG("session %p", session);
+ 
+ 	set_user_nice(current, -15);
+ 
+-	init_waitqueue_entry(&wait, current);
+ 	add_wait_queue(sk_sleep(sk), &wait);
+ 	while (1) {
+-		set_current_state(TASK_INTERRUPTIBLE);
++		/* Ensure session->terminate is updated */
++		smp_mb__before_atomic();
+ 
+ 		if (atomic_read(&session->terminate))
+ 			break;
+@@ -306,9 +306,8 @@ static int cmtp_session(void *arg)
+ 
+ 		cmtp_process_transmit(session);
+ 
+-		schedule();
++		wait_woken(&wait, TASK_INTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT);
+ 	}
+-	__set_current_state(TASK_RUNNING);
+ 	remove_wait_queue(sk_sleep(sk), &wait);
+ 
+ 	down_write(&cmtp_session_sem);
+@@ -393,7 +392,7 @@ int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock)
+ 		err = cmtp_attach_device(session);
+ 		if (err < 0) {
+ 			atomic_inc(&session->terminate);
+-			wake_up_process(session->task);
++			wake_up_interruptible(sk_sleep(session->sock->sk));
+ 			up_write(&cmtp_session_sem);
+ 			return err;
+ 		}
+@@ -431,7 +430,11 @@ int cmtp_del_connection(struct cmtp_conndel_req *req)
+ 
+ 		/* Stop session thread */
+ 		atomic_inc(&session->terminate);
+-		wake_up_process(session->task);
++
++		/* Ensure session->terminate is updated */
++		smp_mb__after_atomic();
++
++		wake_up_interruptible(sk_sleep(session->sock->sk));
+ 	} else
+ 		err = -ENOENT;
+ 
+diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
+index 0bec4588c3c8..1fc076420d1e 100644
+--- a/net/bluetooth/hidp/core.c
++++ b/net/bluetooth/hidp/core.c
+@@ -36,6 +36,7 @@
+ #define VERSION "1.2"
+ 
+ static DECLARE_RWSEM(hidp_session_sem);
++static DECLARE_WAIT_QUEUE_HEAD(hidp_session_wq);
+ static LIST_HEAD(hidp_session_list);
+ 
+ static unsigned char hidp_keycode[256] = {
+@@ -1068,12 +1069,12 @@ static int hidp_session_start_sync(struct hidp_session *session)
+  * Wake up session thread and notify it to stop. This is asynchronous and
+  * returns immediately. Call this whenever a runtime error occurs and you want
+  * the session to stop.
+- * Note: wake_up_process() performs any necessary memory-barriers for us.
++ * Note: wake_up_interruptible() performs any necessary memory-barriers for us.
+  */
+ static void hidp_session_terminate(struct hidp_session *session)
+ {
+ 	atomic_inc(&session->terminate);
+-	wake_up_process(session->task);
++	wake_up_interruptible(&hidp_session_wq);
+ }
+ 
+ /*
+@@ -1180,7 +1181,9 @@ static void hidp_session_run(struct hidp_session *session)
+ 	struct sock *ctrl_sk = session->ctrl_sock->sk;
+ 	struct sock *intr_sk = session->intr_sock->sk;
+ 	struct sk_buff *skb;
++	DEFINE_WAIT_FUNC(wait, woken_wake_function);
+ 
++	add_wait_queue(&hidp_session_wq, &wait);
+ 	for (;;) {
+ 		/*
+ 		 * This thread can be woken up two ways:
+@@ -1188,12 +1191,10 @@ static void hidp_session_run(struct hidp_session *session)
+ 		 *    session->terminate flag and wakes this thread up.
+ 		 *  - Via modifying the socket state of ctrl/intr_sock. This
+ 		 *    thread is woken up by ->sk_state_changed().
+-		 *
+-		 * Note: set_current_state() performs any necessary
+-		 * memory-barriers for us.
+ 		 */
+-		set_current_state(TASK_INTERRUPTIBLE);
+ 
++		/* Ensure session->terminate is updated */
++		smp_mb__before_atomic();
+ 		if (atomic_read(&session->terminate))
+ 			break;
+ 
+@@ -1227,11 +1228,22 @@ static void hidp_session_run(struct hidp_session *session)
+ 		hidp_process_transmit(session, &session->ctrl_transmit,
+ 				      session->ctrl_sock);
+ 
+-		schedule();
++		wait_woken(&wait, TASK_INTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT);
+ 	}
++	remove_wait_queue(&hidp_session_wq, &wait);
+ 
+ 	atomic_inc(&session->terminate);
+-	set_current_state(TASK_RUNNING);
++
++	/* Ensure session->terminate is updated */
++	smp_mb__after_atomic();
++}
++
++static int hidp_session_wake_function(wait_queue_t *wait,
++				      unsigned int mode,
++				      int sync, void *key)
++{
++	wake_up_interruptible(&hidp_session_wq);
++	return false;
+ }
+ 
+ /*
+@@ -1244,7 +1256,8 @@ static void hidp_session_run(struct hidp_session *session)
+ static int hidp_session_thread(void *arg)
+ {
+ 	struct hidp_session *session = arg;
+-	wait_queue_t ctrl_wait, intr_wait;
++	DEFINE_WAIT_FUNC(ctrl_wait, hidp_session_wake_function);
++	DEFINE_WAIT_FUNC(intr_wait, hidp_session_wake_function);
+ 
+ 	BT_DBG("session %p", session);
+ 
+@@ -1254,8 +1267,6 @@ static int hidp_session_thread(void *arg)
+ 	set_user_nice(current, -15);
+ 	hidp_set_timer(session);
+ 
+-	init_waitqueue_entry(&ctrl_wait, current);
+-	init_waitqueue_entry(&intr_wait, current);
+ 	add_wait_queue(sk_sleep(session->ctrl_sock->sk), &ctrl_wait);
+ 	add_wait_queue(sk_sleep(session->intr_sock->sk), &intr_wait);
+ 	/* This memory barrier is paired with wq_has_sleeper(). See
+diff --git a/net/dccp/proto.c b/net/dccp/proto.c
+index 9fe25bf63296..b68168fcc06a 100644
+--- a/net/dccp/proto.c
++++ b/net/dccp/proto.c
+@@ -24,6 +24,7 @@
+ #include <net/checksum.h>
+ 
+ #include <net/inet_sock.h>
++#include <net/inet_common.h>
+ #include <net/sock.h>
+ #include <net/xfrm.h>
+ 
+@@ -170,6 +171,15 @@ const char *dccp_packet_name(const int type)
+ 
+ EXPORT_SYMBOL_GPL(dccp_packet_name);
+ 
++static void dccp_sk_destruct(struct sock *sk)
++{
++	struct dccp_sock *dp = dccp_sk(sk);
++
++	ccid_hc_tx_delete(dp->dccps_hc_tx_ccid, sk);
++	dp->dccps_hc_tx_ccid = NULL;
++	inet_sock_destruct(sk);
++}
++
+ int dccp_init_sock(struct sock *sk, const __u8 ctl_sock_initialized)
+ {
+ 	struct dccp_sock *dp = dccp_sk(sk);
+@@ -179,6 +189,7 @@ int dccp_init_sock(struct sock *sk, const __u8 ctl_sock_initialized)
+ 	icsk->icsk_syn_retries	= sysctl_dccp_request_retries;
+ 	sk->sk_state		= DCCP_CLOSED;
+ 	sk->sk_write_space	= dccp_write_space;
++	sk->sk_destruct		= dccp_sk_destruct;
+ 	icsk->icsk_sync_mss	= dccp_sync_mss;
+ 	dp->dccps_mss_cache	= 536;
+ 	dp->dccps_rate_last	= jiffies;
+@@ -201,10 +212,7 @@ void dccp_destroy_sock(struct sock *sk)
+ {
+ 	struct dccp_sock *dp = dccp_sk(sk);
+ 
+-	/*
+-	 * DCCP doesn't use sk_write_queue, just sk_send_head
+-	 * for retransmissions
+-	 */
++	__skb_queue_purge(&sk->sk_write_queue);
+ 	if (sk->sk_send_head != NULL) {
+ 		kfree_skb(sk->sk_send_head);
+ 		sk->sk_send_head = NULL;
+@@ -222,8 +230,7 @@ void dccp_destroy_sock(struct sock *sk)
+ 		dp->dccps_hc_rx_ackvec = NULL;
+ 	}
+ 	ccid_hc_rx_delete(dp->dccps_hc_rx_ccid, sk);
+-	ccid_hc_tx_delete(dp->dccps_hc_tx_ccid, sk);
+-	dp->dccps_hc_rx_ccid = dp->dccps_hc_tx_ccid = NULL;
++	dp->dccps_hc_rx_ccid = NULL;
+ 
+ 	/* clean up feature negotiation state */
+ 	dccp_feat_list_purge(&dp->dccps_featneg);
+diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
+index 7563831fa432..38c1c979ecb1 100644
+--- a/net/ipv4/fib_semantics.c
++++ b/net/ipv4/fib_semantics.c
+@@ -1044,15 +1044,17 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
+ 	fi = kzalloc(sizeof(*fi)+nhs*sizeof(struct fib_nh), GFP_KERNEL);
+ 	if (!fi)
+ 		goto failure;
+-	fib_info_cnt++;
+ 	if (cfg->fc_mx) {
+ 		fi->fib_metrics = kzalloc(sizeof(*fi->fib_metrics), GFP_KERNEL);
+-		if (!fi->fib_metrics)
+-			goto failure;
++		if (unlikely(!fi->fib_metrics)) {
++			kfree(fi);
++			return ERR_PTR(err);
++		}
+ 		atomic_set(&fi->fib_metrics->refcnt, 1);
+-	} else
++	} else {
+ 		fi->fib_metrics = (struct dst_metrics *)&dst_default_metrics;
+-
++	}
++	fib_info_cnt++;
+ 	fi->fib_net = net;
+ 	fi->fib_protocol = cfg->fc_protocol;
+ 	fi->fib_scope = cfg->fc_scope;
+diff --git a/net/ipv4/route.c b/net/ipv4/route.c
+index 6cd49fd17ac0..6a5b7783932e 100644
+--- a/net/ipv4/route.c
++++ b/net/ipv4/route.c
+@@ -1247,7 +1247,7 @@ static unsigned int ipv4_mtu(const struct dst_entry *dst)
+ 	if (mtu)
+ 		return mtu;
+ 
+-	mtu = dst->dev->mtu;
++	mtu = READ_ONCE(dst->dev->mtu);
+ 
+ 	if (unlikely(dst_metric_locked(dst, RTAX_MTU))) {
+ 		if (rt->rt_uses_gateway && mtu > 576)
+diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
+index 32c540145c17..c03850771a4e 100644
+--- a/net/ipv4/tcp_input.c
++++ b/net/ipv4/tcp_input.c
+@@ -3036,8 +3036,7 @@ void tcp_rearm_rto(struct sock *sk)
+ 			/* delta may not be positive if the socket is locked
+ 			 * when the retrans timer fires and is rescheduled.
+ 			 */
+-			if (delta > 0)
+-				rto = delta;
++			rto = max(delta, 1);
+ 		}
+ 		inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS, rto,
+ 					  TCP_RTO_MAX);
+diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
+index 4345ee39f180..ff389591a340 100644
+--- a/net/ipv6/ip6_fib.c
++++ b/net/ipv6/ip6_fib.c
+@@ -897,6 +897,8 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
+ 		}
+ 		nsiblings = iter->rt6i_nsiblings;
+ 		fib6_purge_rt(iter, fn, info->nl_net);
++		if (fn->rr_ptr == iter)
++			fn->rr_ptr = NULL;
+ 		rt6_release(iter);
+ 
+ 		if (nsiblings) {
+@@ -909,6 +911,8 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
+ 				if (rt6_qualify_for_ecmp(iter)) {
+ 					*ins = iter->dst.rt6_next;
+ 					fib6_purge_rt(iter, fn, info->nl_net);
++					if (fn->rr_ptr == iter)
++						fn->rr_ptr = NULL;
+ 					rt6_release(iter);
+ 					nsiblings--;
+ 				} else {
+@@ -997,7 +1001,7 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt,
+ 			/* Create subtree root node */
+ 			sfn = node_alloc();
+ 			if (!sfn)
+-				goto st_failure;
++				goto failure;
+ 
+ 			sfn->leaf = info->nl_net->ipv6.ip6_null_entry;
+ 			atomic_inc(&info->nl_net->ipv6.ip6_null_entry->rt6i_ref);
+@@ -1013,12 +1017,12 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt,
+ 
+ 			if (IS_ERR(sn)) {
+ 				/* If it is failed, discard just allocated
+-				   root, and then (in st_failure) stale node
++				   root, and then (in failure) stale node
+ 				   in main tree.
+ 				 */
+ 				node_free(sfn);
+ 				err = PTR_ERR(sn);
+-				goto st_failure;
++				goto failure;
+ 			}
+ 
+ 			/* Now link new subtree to main tree */
+@@ -1032,7 +1036,7 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt,
+ 
+ 			if (IS_ERR(sn)) {
+ 				err = PTR_ERR(sn);
+-				goto st_failure;
++				goto failure;
+ 			}
+ 		}
+ 
+@@ -1074,22 +1078,22 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt,
+ 			atomic_inc(&pn->leaf->rt6i_ref);
+ 		}
+ #endif
+-		if (!(rt->dst.flags & DST_NOCACHE))
+-			dst_free(&rt->dst);
++		goto failure;
+ 	}
+ 	return err;
+ 
+-#ifdef CONFIG_IPV6_SUBTREES
+-	/* Subtree creation failed, probably main tree node
+-	   is orphan. If it is, shoot it.
++failure:
++	/* fn->leaf could be NULL if fn is an intermediate node and we
++	 * failed to add the new route to it in both subtree creation
++	 * failure and fib6_add_rt2node() failure case.
++	 * In both cases, fib6_repair_tree() should be called to fix
++	 * fn->leaf.
+ 	 */
+-st_failure:
+ 	if (fn && !(fn->fn_flags & (RTN_RTINFO|RTN_ROOT)))
+ 		fib6_repair_tree(info->nl_net, fn);
+ 	if (!(rt->dst.flags & DST_NOCACHE))
+ 		dst_free(&rt->dst);
+ 	return err;
+-#endif
+ }
+ 
+ /*
+diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
+index 391c3cbd2eed..101ed6c42808 100644
+--- a/net/irda/af_irda.c
++++ b/net/irda/af_irda.c
+@@ -2223,7 +2223,7 @@ static int irda_getsockopt(struct socket *sock, int level, int optname,
+ {
+ 	struct sock *sk = sock->sk;
+ 	struct irda_sock *self = irda_sk(sk);
+-	struct irda_device_list list;
++	struct irda_device_list list = { 0 };
+ 	struct irda_device_info *discoveries;
+ 	struct irda_ias_set *	ias_opt;	/* IAS get/query params */
+ 	struct ias_object *	ias_obj;	/* Object in IAS */
+diff --git a/net/key/af_key.c b/net/key/af_key.c
+index 2e1050ec2cf0..94bf810ad242 100644
+--- a/net/key/af_key.c
++++ b/net/key/af_key.c
+@@ -228,7 +228,7 @@ static int pfkey_broadcast_one(struct sk_buff *skb, struct sk_buff **skb2,
+ #define BROADCAST_ONE		1
+ #define BROADCAST_REGISTERED	2
+ #define BROADCAST_PROMISC_ONLY	4
+-static int pfkey_broadcast(struct sk_buff *skb,
++static int pfkey_broadcast(struct sk_buff *skb, gfp_t allocation,
+ 			   int broadcast_flags, struct sock *one_sk,
+ 			   struct net *net)
+ {
+@@ -278,7 +278,7 @@ static int pfkey_broadcast(struct sk_buff *skb,
+ 	rcu_read_unlock();
+ 
+ 	if (one_sk != NULL)
+-		err = pfkey_broadcast_one(skb, &skb2, GFP_KERNEL, one_sk);
++		err = pfkey_broadcast_one(skb, &skb2, allocation, one_sk);
+ 
+ 	kfree_skb(skb2);
+ 	kfree_skb(skb);
+@@ -311,7 +311,7 @@ static int pfkey_do_dump(struct pfkey_sock *pfk)
+ 		hdr = (struct sadb_msg *) pfk->dump.skb->data;
+ 		hdr->sadb_msg_seq = 0;
+ 		hdr->sadb_msg_errno = rc;
+-		pfkey_broadcast(pfk->dump.skb, BROADCAST_ONE,
++		pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE,
+ 				&pfk->sk, sock_net(&pfk->sk));
+ 		pfk->dump.skb = NULL;
+ 	}
+@@ -355,7 +355,7 @@ static int pfkey_error(const struct sadb_msg *orig, int err, struct sock *sk)
+ 	hdr->sadb_msg_len = (sizeof(struct sadb_msg) /
+ 			     sizeof(uint64_t));
+ 
+-	pfkey_broadcast(skb, BROADCAST_ONE, sk, sock_net(sk));
++	pfkey_broadcast(skb, GFP_KERNEL, BROADCAST_ONE, sk, sock_net(sk));
+ 
+ 	return 0;
+ }
+@@ -1396,7 +1396,7 @@ static int pfkey_getspi(struct sock *sk, struct sk_buff *skb, const struct sadb_
+ 
+ 	xfrm_state_put(x);
+ 
+-	pfkey_broadcast(resp_skb, BROADCAST_ONE, sk, net);
++	pfkey_broadcast(resp_skb, GFP_KERNEL, BROADCAST_ONE, sk, net);
+ 
+ 	return 0;
+ }
+@@ -1483,7 +1483,7 @@ static int key_notify_sa(struct xfrm_state *x, const struct km_event *c)
+ 	hdr->sadb_msg_seq = c->seq;
+ 	hdr->sadb_msg_pid = c->portid;
+ 
+-	pfkey_broadcast(skb, BROADCAST_ALL, NULL, xs_net(x));
++	pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL, xs_net(x));
+ 
+ 	return 0;
+ }
+@@ -1596,7 +1596,7 @@ static int pfkey_get(struct sock *sk, struct sk_buff *skb, const struct sadb_msg
+ 	out_hdr->sadb_msg_reserved = 0;
+ 	out_hdr->sadb_msg_seq = hdr->sadb_msg_seq;
+ 	out_hdr->sadb_msg_pid = hdr->sadb_msg_pid;
+-	pfkey_broadcast(out_skb, BROADCAST_ONE, sk, sock_net(sk));
++	pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ONE, sk, sock_net(sk));
+ 
+ 	return 0;
+ }
+@@ -1701,8 +1701,8 @@ static int pfkey_register(struct sock *sk, struct sk_buff *skb, const struct sad
+ 		return -ENOBUFS;
+ 	}
+ 
+-	pfkey_broadcast(supp_skb, BROADCAST_REGISTERED, sk, sock_net(sk));
+-
++	pfkey_broadcast(supp_skb, GFP_KERNEL, BROADCAST_REGISTERED, sk,
++			sock_net(sk));
+ 	return 0;
+ }
+ 
+@@ -1720,7 +1720,8 @@ static int unicast_flush_resp(struct sock *sk, const struct sadb_msg *ihdr)
+ 	hdr->sadb_msg_errno = (uint8_t) 0;
+ 	hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t));
+ 
+-	return pfkey_broadcast(skb, BROADCAST_ONE, sk, sock_net(sk));
++	return pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ONE, sk,
++			       sock_net(sk));
+ }
+ 
+ static int key_notify_sa_flush(const struct km_event *c)
+@@ -1741,7 +1742,7 @@ static int key_notify_sa_flush(const struct km_event *c)
+ 	hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t));
+ 	hdr->sadb_msg_reserved = 0;
+ 
+-	pfkey_broadcast(skb, BROADCAST_ALL, NULL, c->net);
++	pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL, c->net);
+ 
+ 	return 0;
+ }
+@@ -1798,7 +1799,7 @@ static int dump_sa(struct xfrm_state *x, int count, void *ptr)
+ 	out_hdr->sadb_msg_pid = pfk->dump.msg_portid;
+ 
+ 	if (pfk->dump.skb)
+-		pfkey_broadcast(pfk->dump.skb, BROADCAST_ONE,
++		pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE,
+ 				&pfk->sk, sock_net(&pfk->sk));
+ 	pfk->dump.skb = out_skb;
+ 
+@@ -1886,7 +1887,7 @@ static int pfkey_promisc(struct sock *sk, struct sk_buff *skb, const struct sadb
+ 		new_hdr->sadb_msg_errno = 0;
+ 	}
+ 
+-	pfkey_broadcast(skb, BROADCAST_ALL, NULL, sock_net(sk));
++	pfkey_broadcast(skb, GFP_KERNEL, BROADCAST_ALL, NULL, sock_net(sk));
+ 	return 0;
+ }
+ 
+@@ -2219,7 +2220,7 @@ static int key_notify_policy(struct xfrm_policy *xp, int dir, const struct km_ev
+ 	out_hdr->sadb_msg_errno = 0;
+ 	out_hdr->sadb_msg_seq = c->seq;
+ 	out_hdr->sadb_msg_pid = c->portid;
+-	pfkey_broadcast(out_skb, BROADCAST_ALL, NULL, xp_net(xp));
++	pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ALL, NULL, xp_net(xp));
+ 	return 0;
+ 
+ }
+@@ -2439,7 +2440,7 @@ static int key_pol_get_resp(struct sock *sk, struct xfrm_policy *xp, const struc
+ 	out_hdr->sadb_msg_errno = 0;
+ 	out_hdr->sadb_msg_seq = hdr->sadb_msg_seq;
+ 	out_hdr->sadb_msg_pid = hdr->sadb_msg_pid;
+-	pfkey_broadcast(out_skb, BROADCAST_ONE, sk, xp_net(xp));
++	pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ONE, sk, xp_net(xp));
+ 	err = 0;
+ 
+ out:
+@@ -2695,7 +2696,7 @@ static int dump_sp(struct xfrm_policy *xp, int dir, int count, void *ptr)
+ 	out_hdr->sadb_msg_pid = pfk->dump.msg_portid;
+ 
+ 	if (pfk->dump.skb)
+-		pfkey_broadcast(pfk->dump.skb, BROADCAST_ONE,
++		pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE,
+ 				&pfk->sk, sock_net(&pfk->sk));
+ 	pfk->dump.skb = out_skb;
+ 
+@@ -2752,7 +2753,7 @@ static int key_notify_policy_flush(const struct km_event *c)
+ 	hdr->sadb_msg_satype = SADB_SATYPE_UNSPEC;
+ 	hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t));
+ 	hdr->sadb_msg_reserved = 0;
+-	pfkey_broadcast(skb_out, BROADCAST_ALL, NULL, c->net);
++	pfkey_broadcast(skb_out, GFP_ATOMIC, BROADCAST_ALL, NULL, c->net);
+ 	return 0;
+ 
+ }
+@@ -2814,7 +2815,7 @@ static int pfkey_process(struct sock *sk, struct sk_buff *skb, const struct sadb
+ 	void *ext_hdrs[SADB_EXT_MAX];
+ 	int err;
+ 
+-	pfkey_broadcast(skb_clone(skb, GFP_KERNEL),
++	pfkey_broadcast(skb_clone(skb, GFP_KERNEL), GFP_KERNEL,
+ 			BROADCAST_PROMISC_ONLY, NULL, sock_net(sk));
+ 
+ 	memset(ext_hdrs, 0, sizeof(ext_hdrs));
+@@ -3036,7 +3037,8 @@ static int key_notify_sa_expire(struct xfrm_state *x, const struct km_event *c)
+ 	out_hdr->sadb_msg_seq = 0;
+ 	out_hdr->sadb_msg_pid = 0;
+ 
+-	pfkey_broadcast(out_skb, BROADCAST_REGISTERED, NULL, xs_net(x));
++	pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_REGISTERED, NULL,
++			xs_net(x));
+ 	return 0;
+ }
+ 
+@@ -3226,7 +3228,8 @@ static int pfkey_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *t, struct
+ 		       xfrm_ctx->ctx_len);
+ 	}
+ 
+-	return pfkey_broadcast(skb, BROADCAST_REGISTERED, NULL, xs_net(x));
++	return pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_REGISTERED, NULL,
++			       xs_net(x));
+ }
+ 
+ static struct xfrm_policy *pfkey_compile_policy(struct sock *sk, int opt,
+@@ -3424,7 +3427,8 @@ static int pfkey_send_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr,
+ 	n_port->sadb_x_nat_t_port_port = sport;
+ 	n_port->sadb_x_nat_t_port_reserved = 0;
+ 
+-	return pfkey_broadcast(skb, BROADCAST_REGISTERED, NULL, xs_net(x));
++	return pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_REGISTERED, NULL,
++			       xs_net(x));
+ }
+ 
+ #ifdef CONFIG_NET_KEY_MIGRATE
+@@ -3616,7 +3620,7 @@ static int pfkey_send_migrate(const struct xfrm_selector *sel, u8 dir, u8 type,
+ 	}
+ 
+ 	/* broadcast migrate message to sockets */
+-	pfkey_broadcast(skb, BROADCAST_ALL, NULL, &init_net);
++	pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL, &init_net);
+ 
+ 	return 0;
+ 
+diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
+index 5b9c884a452e..dde64c4565d2 100644
+--- a/net/netfilter/nf_nat_core.c
++++ b/net/netfilter/nf_nat_core.c
+@@ -225,20 +225,21 @@ find_appropriate_src(struct net *net,
+ 		.tuple = tuple,
+ 		.zone = zone
+ 	};
+-	struct rhlist_head *hl;
++	struct rhlist_head *hl, *h;
+ 
+ 	hl = rhltable_lookup(&nf_nat_bysource_table, &key,
+ 			     nf_nat_bysource_params);
+-	if (!hl)
+-		return 0;
+ 
+-	ct = container_of(hl, typeof(*ct), nat_bysource);
++	rhl_for_each_entry_rcu(ct, h, hl, nat_bysource) {
++		nf_ct_invert_tuplepr(result,
++				     &ct->tuplehash[IP_CT_DIR_REPLY].tuple);
++		result->dst = tuple->dst;
+ 
+-	nf_ct_invert_tuplepr(result,
+-			     &ct->tuplehash[IP_CT_DIR_REPLY].tuple);
+-	result->dst = tuple->dst;
++		if (in_range(l3proto, l4proto, result, range))
++			return 1;
++	}
+ 
+-	return in_range(l3proto, l4proto, result, range);
++	return 0;
+ }
+ 
+ /* For [FUTURE] fragmentation handling, we want the least-used
+diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
+index 4e03f64709bc..05d9f42fc309 100644
+--- a/net/openvswitch/actions.c
++++ b/net/openvswitch/actions.c
+@@ -1240,6 +1240,7 @@ int ovs_execute_actions(struct datapath *dp, struct sk_buff *skb,
+ 		goto out;
+ 	}
+ 
++	OVS_CB(skb)->acts_origlen = acts->orig_len;
+ 	err = do_execute_actions(dp, skb, key,
+ 				 acts->actions, acts->actions_len);
+ 
+diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
+index 4d67ea856067..453f806afe6e 100644
+--- a/net/openvswitch/datapath.c
++++ b/net/openvswitch/datapath.c
+@@ -383,7 +383,7 @@ static int queue_gso_packets(struct datapath *dp, struct sk_buff *skb,
+ }
+ 
+ static size_t upcall_msg_size(const struct dp_upcall_info *upcall_info,
+-			      unsigned int hdrlen)
++			      unsigned int hdrlen, int actions_attrlen)
+ {
+ 	size_t size = NLMSG_ALIGN(sizeof(struct ovs_header))
+ 		+ nla_total_size(hdrlen) /* OVS_PACKET_ATTR_PACKET */
+@@ -400,7 +400,7 @@ static size_t upcall_msg_size(const struct dp_upcall_info *upcall_info,
+ 
+ 	/* OVS_PACKET_ATTR_ACTIONS */
+ 	if (upcall_info->actions_len)
+-		size += nla_total_size(upcall_info->actions_len);
++		size += nla_total_size(actions_attrlen);
+ 
+ 	/* OVS_PACKET_ATTR_MRU */
+ 	if (upcall_info->mru)
+@@ -467,7 +467,8 @@ static int queue_userspace_packet(struct datapath *dp, struct sk_buff *skb,
+ 	else
+ 		hlen = skb->len;
+ 
+-	len = upcall_msg_size(upcall_info, hlen - cutlen);
++	len = upcall_msg_size(upcall_info, hlen - cutlen,
++			      OVS_CB(skb)->acts_origlen);
+ 	user_skb = genlmsg_new(len, GFP_ATOMIC);
+ 	if (!user_skb) {
+ 		err = -ENOMEM;
+diff --git a/net/openvswitch/datapath.h b/net/openvswitch/datapath.h
+index ab85c1cae255..e19ace428e38 100644
+--- a/net/openvswitch/datapath.h
++++ b/net/openvswitch/datapath.h
+@@ -100,12 +100,14 @@ struct datapath {
+  * @input_vport: The original vport packet came in on. This value is cached
+  * when a packet is received by OVS.
+  * @mru: The maximum received fragement size; 0 if the packet is not
++ * @acts_origlen: The netlink size of the flow actions applied to this skb.
+  * @cutlen: The number of bytes from the packet end to be removed.
+  * fragmented.
+  */
+ struct ovs_skb_cb {
+ 	struct vport		*input_vport;
+ 	u16			mru;
++	u16			acts_origlen;
+ 	u32			cutlen;
+ };
+ #define OVS_CB(skb) ((struct ovs_skb_cb *)(skb)->cb)
+diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
+index a1aec0a6c789..50030519a89b 100644
+--- a/net/sched/act_ipt.c
++++ b/net/sched/act_ipt.c
+@@ -41,6 +41,7 @@ static int ipt_init_target(struct xt_entry_target *t, char *table,
+ {
+ 	struct xt_tgchk_param par;
+ 	struct xt_target *target;
++	struct ipt_entry e = {};
+ 	int ret = 0;
+ 
+ 	target = xt_request_find_target(AF_INET, t->u.user.name,
+@@ -51,6 +52,7 @@ static int ipt_init_target(struct xt_entry_target *t, char *table,
+ 	t->u.kernel.target = target;
+ 	memset(&par, 0, sizeof(par));
+ 	par.table     = table;
++	par.entryinfo = &e;
+ 	par.target    = target;
+ 	par.targinfo  = t->data;
+ 	par.hook_mask = hook;
+diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
+index ff27a85a71a9..195a3b2d9afc 100644
+--- a/net/sched/sch_api.c
++++ b/net/sched/sch_api.c
+@@ -277,9 +277,6 @@ static struct Qdisc *qdisc_match_from_root(struct Qdisc *root, u32 handle)
+ void qdisc_hash_add(struct Qdisc *q)
+ {
+ 	if ((q->parent != TC_H_ROOT) && !(q->flags & TCQ_F_INGRESS)) {
+-		struct Qdisc *root = qdisc_dev(q)->qdisc;
+-
+-		WARN_ON_ONCE(root == &noop_qdisc);
+ 		ASSERT_RTNL();
+ 		hash_add_rcu(qdisc_dev(q)->qdisc_hash, &q->hash, q->handle);
+ 	}
+diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
+index bc5e99584e41..ea8a56f76b32 100644
+--- a/net/sched/sch_sfq.c
++++ b/net/sched/sch_sfq.c
+@@ -434,6 +434,7 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
+ 		qdisc_drop(head, sch, to_free);
+ 
+ 		slot_queue_add(slot, skb);
++		qdisc_tree_reduce_backlog(sch, 0, delta);
+ 		return NET_XMIT_CN;
+ 	}
+ 
+@@ -465,8 +466,10 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
+ 	/* Return Congestion Notification only if we dropped a packet
+ 	 * from this flow.
+ 	 */
+-	if (qlen != slot->qlen)
++	if (qlen != slot->qlen) {
++		qdisc_tree_reduce_backlog(sch, 0, dropped - qdisc_pkt_len(skb));
+ 		return NET_XMIT_CN;
++	}
+ 
+ 	/* As we dropped a packet, better let upper stack know this */
+ 	qdisc_tree_reduce_backlog(sch, 1, dropped);
+diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
+index 0c090600f377..ca4a63e3eadd 100644
+--- a/net/sctp/ipv6.c
++++ b/net/sctp/ipv6.c
+@@ -512,7 +512,9 @@ static void sctp_v6_to_addr(union sctp_addr *addr, struct in6_addr *saddr,
+ {
+ 	addr->sa.sa_family = AF_INET6;
+ 	addr->v6.sin6_port = port;
++	addr->v6.sin6_flowinfo = 0;
+ 	addr->v6.sin6_addr = *saddr;
++	addr->v6.sin6_scope_id = 0;
+ }
+ 
+ /* Compare addresses exactly.
+diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
+index a4bc98265d88..266a30c8b88b 100644
+--- a/net/sunrpc/svcsock.c
++++ b/net/sunrpc/svcsock.c
+@@ -408,6 +408,9 @@ static void svc_data_ready(struct sock *sk)
+ 		dprintk("svc: socket %p(inet %p), busy=%d\n",
+ 			svsk, sk,
+ 			test_bit(XPT_BUSY, &svsk->sk_xprt.xpt_flags));
++
++		/* Refer to svc_setup_socket() for details. */
++		rmb();
+ 		svsk->sk_odata(sk);
+ 		if (!test_and_set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags))
+ 			svc_xprt_enqueue(&svsk->sk_xprt);
+@@ -424,6 +427,9 @@ static void svc_write_space(struct sock *sk)
+ 	if (svsk) {
+ 		dprintk("svc: socket %p(inet %p), write_space busy=%d\n",
+ 			svsk, sk, test_bit(XPT_BUSY, &svsk->sk_xprt.xpt_flags));
++
++		/* Refer to svc_setup_socket() for details. */
++		rmb();
+ 		svsk->sk_owspace(sk);
+ 		svc_xprt_enqueue(&svsk->sk_xprt);
+ 	}
+@@ -748,8 +754,12 @@ static void svc_tcp_listen_data_ready(struct sock *sk)
+ 	dprintk("svc: socket %p TCP (listen) state change %d\n",
+ 		sk, sk->sk_state);
+ 
+-	if (svsk)
++	if (svsk) {
++		/* Refer to svc_setup_socket() for details. */
++		rmb();
+ 		svsk->sk_odata(sk);
++	}
++
+ 	/*
+ 	 * This callback may called twice when a new connection
+ 	 * is established as a child socket inherits everything
+@@ -782,6 +792,8 @@ static void svc_tcp_state_change(struct sock *sk)
+ 	if (!svsk)
+ 		printk("svc: socket %p: no user data\n", sk);
+ 	else {
++		/* Refer to svc_setup_socket() for details. */
++		rmb();
+ 		svsk->sk_ostate(sk);
+ 		if (sk->sk_state != TCP_ESTABLISHED) {
+ 			set_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags);
+@@ -1368,12 +1380,18 @@ static struct svc_sock *svc_setup_socket(struct svc_serv *serv,
+ 		return ERR_PTR(err);
+ 	}
+ 
+-	inet->sk_user_data = svsk;
+ 	svsk->sk_sock = sock;
+ 	svsk->sk_sk = inet;
+ 	svsk->sk_ostate = inet->sk_state_change;
+ 	svsk->sk_odata = inet->sk_data_ready;
+ 	svsk->sk_owspace = inet->sk_write_space;
++	/*
++	 * This barrier is necessary in order to prevent race condition
++	 * with svc_data_ready(), svc_listen_data_ready() and others
++	 * when calling callbacks above.
++	 */
++	wmb();
++	inet->sk_user_data = svsk;
+ 
+ 	/* Initialize the socket */
+ 	if (sock->type == SOCK_DGRAM)
+diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c
+index 1fd464764765..aedc476fac02 100644
+--- a/net/tipc/netlink_compat.c
++++ b/net/tipc/netlink_compat.c
+@@ -258,13 +258,15 @@ static int tipc_nl_compat_dumpit(struct tipc_nl_compat_cmd_dump *cmd,
+ 	arg = nlmsg_new(0, GFP_KERNEL);
+ 	if (!arg) {
+ 		kfree_skb(msg->rep);
++		msg->rep = NULL;
+ 		return -ENOMEM;
+ 	}
+ 
+ 	err = __tipc_nl_compat_dumpit(cmd, msg, arg);
+-	if (err)
++	if (err) {
+ 		kfree_skb(msg->rep);
+-
++		msg->rep = NULL;
++	}
+ 	kfree_skb(arg);
+ 
+ 	return err;
+diff --git a/sound/core/control.c b/sound/core/control.c
+index fb096cb20a80..995cde48c1be 100644
+--- a/sound/core/control.c
++++ b/sound/core/control.c
+@@ -1156,7 +1156,7 @@ static int snd_ctl_elem_user_tlv(struct snd_kcontrol *kcontrol,
+ 		mutex_lock(&ue->card->user_ctl_lock);
+ 		change = ue->tlv_data_size != size;
+ 		if (!change)
+-			change = memcmp(ue->tlv_data, new_data, size);
++			change = memcmp(ue->tlv_data, new_data, size) != 0;
+ 		kfree(ue->tlv_data);
+ 		ue->tlv_data = new_data;
+ 		ue->tlv_data_size = size;
+diff --git a/sound/firewire/iso-resources.c b/sound/firewire/iso-resources.c
+index f0e4d502d604..066b5df666f4 100644
+--- a/sound/firewire/iso-resources.c
++++ b/sound/firewire/iso-resources.c
+@@ -210,9 +210,14 @@ EXPORT_SYMBOL(fw_iso_resources_update);
+  */
+ void fw_iso_resources_free(struct fw_iso_resources *r)
+ {
+-	struct fw_card *card = fw_parent_device(r->unit)->card;
++	struct fw_card *card;
+ 	int bandwidth, channel;
+ 
++	/* Not initialized. */
++	if (r->unit == NULL)
++		return;
++	card = fw_parent_device(r->unit)->card;
++
+ 	mutex_lock(&r->mutex);
+ 
+ 	if (r->allocated) {
+diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
+index c15c51bea26d..f2e4e99ce651 100644
+--- a/sound/pci/hda/patch_conexant.c
++++ b/sound/pci/hda/patch_conexant.c
+@@ -854,6 +854,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = {
+ 	SND_PCI_QUIRK(0x17aa, 0x390b, "Lenovo G50-80", CXT_FIXUP_STEREO_DMIC),
+ 	SND_PCI_QUIRK(0x17aa, 0x3975, "Lenovo U300s", CXT_FIXUP_STEREO_DMIC),
+ 	SND_PCI_QUIRK(0x17aa, 0x3977, "Lenovo IdeaPad U310", CXT_FIXUP_STEREO_DMIC),
++	SND_PCI_QUIRK(0x17aa, 0x3978, "Lenovo G50-70", CXT_FIXUP_STEREO_DMIC),
+ 	SND_PCI_QUIRK(0x17aa, 0x397b, "Lenovo S205", CXT_FIXUP_STEREO_DMIC),
+ 	SND_PCI_QUIRK_VENDOR(0x17aa, "Thinkpad", CXT_FIXUP_THINKPAD_ACPI),
+ 	SND_PCI_QUIRK(0x1c06, 0x2011, "Lemote A1004", CXT_PINCFG_LEMOTE_A1004),
+diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
+index 95c2749ac8a3..286efc3a6116 100644
+--- a/sound/usb/quirks.c
++++ b/sound/usb/quirks.c
+@@ -1309,10 +1309,13 @@ void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
+ 	    && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
+ 		mdelay(20);
+ 
+-	/* Zoom R16/24 needs a tiny delay here, otherwise requests like
+-	 * get/set frequency return as failed despite actually succeeding.
++	/* Zoom R16/24, Logitech H650e, Jabra 550a needs a tiny delay here,
++	 * otherwise requests like get/set frequency return as failed despite
++	 * actually succeeding.
+ 	 */
+-	if (chip->usb_id == USB_ID(0x1686, 0x00dd) &&
++	if ((chip->usb_id == USB_ID(0x1686, 0x00dd) ||
++	     chip->usb_id == USB_ID(0x046d, 0x0a46) ||
++	     chip->usb_id == USB_ID(0x0b0e, 0x0349)) &&
+ 	    (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
+ 		mdelay(1);
+ }
+diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
+index 6c50d9f8e210..6a6f44dd594b 100644
+--- a/tools/perf/util/probe-event.c
++++ b/tools/perf/util/probe-event.c
+@@ -163,7 +163,7 @@ static struct map *kernel_get_module_map(const char *module)
+ 
+ 	/* A file path -- this is an offline module */
+ 	if (module && strchr(module, '/'))
+-		return machine__findnew_module_map(host_machine, 0, module);
++		return dso__new_map(module);
+ 
+ 	if (!module)
+ 		module = "kernel";
+@@ -173,6 +173,7 @@ static struct map *kernel_get_module_map(const char *module)
+ 		if (strncmp(pos->dso->short_name + 1, module,
+ 			    pos->dso->short_name_len - 2) == 0 &&
+ 		    module[pos->dso->short_name_len - 2] == '\0') {
++			map__get(pos);
+ 			return pos;
+ 		}
+ 	}
+@@ -188,15 +189,6 @@ struct map *get_target_map(const char *target, bool user)
+ 		return kernel_get_module_map(target);
+ }
+ 
+-static void put_target_map(struct map *map, bool user)
+-{
+-	if (map && user) {
+-		/* Only the user map needs to be released */
+-		map__put(map);
+-	}
+-}
+-
+-
+ static int convert_exec_to_group(const char *exec, char **result)
+ {
+ 	char *ptr1, *ptr2, *exec_copy;
+@@ -412,7 +404,7 @@ static int find_alternative_probe_point(struct debuginfo *dinfo,
+ 	}
+ 
+ out:
+-	put_target_map(map, uprobes);
++	map__put(map);
+ 	return ret;
+ 
+ }
+@@ -2944,7 +2936,7 @@ static int find_probe_trace_events_from_map(struct perf_probe_event *pev,
+ 	}
+ 
+ out:
+-	put_target_map(map, pev->uprobes);
++	map__put(map);
+ 	free(syms);
+ 	return ret;
+ 
+@@ -3437,10 +3429,7 @@ int show_available_funcs(const char *target, struct strfilter *_filter,
+ 		return ret;
+ 
+ 	/* Get a symbol map */
+-	if (user)
+-		map = dso__new_map(target);
+-	else
+-		map = kernel_get_module_map(target);
++	map = get_target_map(target, user);
+ 	if (!map) {
+ 		pr_err("Failed to get a map for %s\n", (target) ? : "kernel");
+ 		return -EINVAL;
+@@ -3472,9 +3461,7 @@ int show_available_funcs(const char *target, struct strfilter *_filter,
+         }
+ 
+ end:
+-	if (user) {
+-		map__put(map);
+-	}
++	map__put(map);
+ 	exit_probe_symbol_maps();
+ 
+ 	return ret;
+diff --git a/tools/testing/selftests/ntb/ntb_test.sh b/tools/testing/selftests/ntb/ntb_test.sh
+index a676d3eefefb..b3c48fc6ea4b 100755
+--- a/tools/testing/selftests/ntb/ntb_test.sh
++++ b/tools/testing/selftests/ntb/ntb_test.sh
+@@ -305,7 +305,7 @@ function perf_test()
+ 	echo "Running remote perf test $WITH DMA"
+ 	write_file "" $REMOTE_PERF/run
+ 	echo -n "  "
+-	read_file $LOCAL_PERF/run
++	read_file $REMOTE_PERF/run
+ 	echo "  Passed"
+ 
+ 	_modprobe -r ntb_perf
+@@ -326,6 +326,10 @@ function ntb_tool_tests()
+ 	link_test $LOCAL_TOOL $REMOTE_TOOL
+ 	link_test $REMOTE_TOOL $LOCAL_TOOL
+ 
++	#Ensure the link is up on both sides before continuing
++	write_file Y $LOCAL_TOOL/link_event
++	write_file Y $REMOTE_TOOL/link_event
++
+ 	for PEER_TRANS in $(ls $LOCAL_TOOL/peer_trans*); do
+ 		PT=$(basename $PEER_TRANS)
+ 		write_file $MW_SIZE $LOCAL_TOOL/$PT