diff --git a/Makefile b/Makefile
index 21e58bd54715..259aa683b292 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 4
-SUBLEVEL = 20
-EXTRAVERSION =
+SUBLEVEL = 21
+EXTRAVERSION = -rc1
 NAME = Kleptomaniac Octopus
 
 # *DOCUMENTATION*
diff --git a/arch/arm/mach-npcm/Kconfig b/arch/arm/mach-npcm/Kconfig
index 880bc2a5cada..7f7002dc2b21 100644
--- a/arch/arm/mach-npcm/Kconfig
+++ b/arch/arm/mach-npcm/Kconfig
@@ -11,7 +11,7 @@ config ARCH_NPCM7XX
 	depends on ARCH_MULTI_V7
 	select PINCTRL_NPCM7XX
 	select NPCM7XX_TIMER
-	select ARCH_REQUIRE_GPIOLIB
+	select GPIOLIB
 	select CACHE_L2X0
 	select ARM_GIC
 	select HAVE_ARM_TWD if SMP
diff --git a/arch/arm64/boot/dts/arm/fvp-base-revc.dts b/arch/arm64/boot/dts/arm/fvp-base-revc.dts
index 62ab0d54ff71..335fff762451 100644
--- a/arch/arm64/boot/dts/arm/fvp-base-revc.dts
+++ b/arch/arm64/boot/dts/arm/fvp-base-revc.dts
@@ -161,10 +161,10 @@
 		bus-range = <0x0 0x1>;
 		reg = <0x0 0x40000000 0x0 0x10000000>;
 		ranges = <0x2000000 0x0 0x50000000 0x0 0x50000000 0x0 0x10000000>;
-		interrupt-map = <0 0 0 1 &gic GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,
-				<0 0 0 2 &gic GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>,
-				<0 0 0 3 &gic GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
-				<0 0 0 4 &gic GIC_SPI 171 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-map = <0 0 0 1 &gic 0 0 GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,
+				<0 0 0 2 &gic 0 0 GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>,
+				<0 0 0 3 &gic 0 0 GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
+				<0 0 0 4 &gic 0 0 GIC_SPI 171 IRQ_TYPE_LEVEL_HIGH>;
 		interrupt-map-mask = <0x0 0x0 0x0 0x7>;
 		msi-map = <0x0 &its 0x0 0x10000>;
 		iommu-map = <0x0 &smmu 0x0 0x10000>;
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index d54586d5b031..fab013c5ee8c 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -466,6 +466,13 @@ static void ssbs_thread_switch(struct task_struct *next)
 	if (unlikely(next->flags & PF_KTHREAD))
 		return;
 
+	/*
+	 * If all CPUs implement the SSBS extension, then we just need to
+	 * context-switch the PSTATE field.
+	 */
+	if (cpu_have_feature(cpu_feature(SSBS)))
+		return;
+
 	/* If the mitigation is enabled, then we leave SSBS clear. */
 	if ((arm64_get_ssbd_state() == ARM64_SSBD_FORCE_ENABLE) ||
 	    test_tsk_thread_flag(next, TIF_SSBD))
diff --git a/arch/s390/boot/uv.c b/arch/s390/boot/uv.c
index ed007f4a6444..3f501159ee9f 100644
--- a/arch/s390/boot/uv.c
+++ b/arch/s390/boot/uv.c
@@ -15,7 +15,8 @@ void uv_query_info(void)
 	if (!test_facility(158))
 		return;
 
-	if (uv_call(0, (uint64_t)&uvcb))
+	/* rc==0x100 means that there is additional data we do not process */
+	if (uv_call(0, (uint64_t)&uvcb) && uvcb.header.rc != 0x100)
 		return;
 
 	if (test_bit_inv(BIT_UVC_CMD_SET_SHARED_ACCESS, (unsigned long *)uvcb.inst_calls_list) &&
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index 2dc9eb4e1acc..b6a4ce9dafaf 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -155,7 +155,7 @@ static inline void get_tod_clock_ext(char *clk)
 
 static inline unsigned long long get_tod_clock(void)
 {
-	unsigned char clk[STORE_CLOCK_EXT_SIZE];
+	char clk[STORE_CLOCK_EXT_SIZE];
 
 	get_tod_clock_ext(clk);
 	return *((unsigned long long *)&clk[1]);
diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c
index 64c3e70b0556..beffafd7dcc3 100644
--- a/arch/x86/events/amd/core.c
+++ b/arch/x86/events/amd/core.c
@@ -246,6 +246,7 @@ static const u64 amd_f17h_perfmon_event_map[PERF_COUNT_HW_MAX] =
 	[PERF_COUNT_HW_CPU_CYCLES]		= 0x0076,
 	[PERF_COUNT_HW_INSTRUCTIONS]		= 0x00c0,
 	[PERF_COUNT_HW_CACHE_REFERENCES]	= 0xff60,
+	[PERF_COUNT_HW_CACHE_MISSES]		= 0x0964,
 	[PERF_COUNT_HW_BRANCH_INSTRUCTIONS]	= 0x00c2,
 	[PERF_COUNT_HW_BRANCH_MISSES]		= 0x00c3,
 	[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND]	= 0x0287,
diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index ce83950036c5..e5ad97a82342 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -1713,6 +1713,8 @@ intel_pmu_save_and_restart_reload(struct perf_event *event, int count)
 	old = ((s64)(prev_raw_count << shift) >> shift);
 	local64_add(new - old + count * period, &event->count);
 
+	local64_set(&hwc->period_left, -new);
+
 	perf_event_update_userpage(event);
 
 	return 0;
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index c1d7b866a03f..4e3f137ffa8c 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -33,7 +33,7 @@
 	#define PT_GUEST_ACCESSED_SHIFT PT_ACCESSED_SHIFT
 	#define PT_HAVE_ACCESSED_DIRTY(mmu) true
 	#ifdef CONFIG_X86_64
-	#define PT_MAX_FULL_LEVELS 4
+	#define PT_MAX_FULL_LEVELS PT64_ROOT_MAX_LEVEL
 	#define CMPXCHG cmpxchg
 	#else
 	#define CMPXCHG cmpxchg64
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index dc7c166c4335..84b57b461ad6 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -2975,6 +2975,9 @@ void vmx_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
 
 static int get_ept_level(struct kvm_vcpu *vcpu)
 {
+	/* Nested EPT currently only supports 4-level walks. */
+	if (is_guest_mode(vcpu) && nested_cpu_has_ept(get_vmcs12(vcpu)))
+		return 4;
 	if (cpu_has_vmx_ept_5levels() && (cpuid_maxphyaddr(vcpu) > 48))
 		return 5;
 	return 4;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index edde5ee8c6f5..95180d67d570 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -445,6 +445,14 @@ void kvm_deliver_exception_payload(struct kvm_vcpu *vcpu)
 		 * for #DB exceptions under VMX.
 		 */
 		vcpu->arch.dr6 ^= payload & DR6_RTM;
+
+		/*
+		 * The #DB payload is defined as compatible with the 'pending
+		 * debug exceptions' field under VMX, not DR6. While bit 12 is
+		 * defined in the 'pending debug exceptions' field (enabled
+		 * breakpoint), it is reserved and must be zero in DR6.
+		 */
+		vcpu->arch.dr6 &= ~BIT(12);
 		break;
 	case PF_VECTOR:
 		vcpu->arch.cr2 = payload;
diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h
index bcf8f7501db7..a74c1a0e892d 100644
--- a/drivers/acpi/acpica/achware.h
+++ b/drivers/acpi/acpica/achware.h
@@ -101,6 +101,8 @@ acpi_status acpi_hw_enable_all_runtime_gpes(void);
 
 acpi_status acpi_hw_enable_all_wakeup_gpes(void);
 
+u8 acpi_hw_check_all_gpes(void);
+
 acpi_status
 acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
 				 struct acpi_gpe_block_info *gpe_block,
diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c
index 04a40d563dd6..84b0b410310e 100644
--- a/drivers/acpi/acpica/evxfgpe.c
+++ b/drivers/acpi/acpica/evxfgpe.c
@@ -795,6 +795,38 @@ acpi_status acpi_enable_all_wakeup_gpes(void)
 
 ACPI_EXPORT_SYMBOL(acpi_enable_all_wakeup_gpes)
 
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_any_gpe_status_set
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Whether or not the status bit is set for any GPE
+ *
+ * DESCRIPTION: Check the status bits of all enabled GPEs and return TRUE if any
+ *              of them is set or FALSE otherwise.
+ *
+ ******************************************************************************/
+u32 acpi_any_gpe_status_set(void)
+{
+	acpi_status status;
+	u8 ret;
+
+	ACPI_FUNCTION_TRACE(acpi_any_gpe_status_set);
+
+	status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+	if (ACPI_FAILURE(status)) {
+		return (FALSE);
+	}
+
+	ret = acpi_hw_check_all_gpes();
+	(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+
+	return (ret);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_any_gpe_status_set)
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_install_gpe_block
diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c
index 565bd3f29f31..b1d7d5f92495 100644
--- a/drivers/acpi/acpica/hwgpe.c
+++ b/drivers/acpi/acpica/hwgpe.c
@@ -444,6 +444,53 @@ acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
 	return (AE_OK);
 }
 
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_hw_get_gpe_block_status
+ *
+ * PARAMETERS:  gpe_xrupt_info      - GPE Interrupt info
+ *              gpe_block           - Gpe Block info
+ *
+ * RETURN:      Success
+ *
+ * DESCRIPTION: Produce a combined GPE status bits mask for the given block.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_hw_get_gpe_block_status(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+			     struct acpi_gpe_block_info *gpe_block,
+			     void *ret_ptr)
+{
+	struct acpi_gpe_register_info *gpe_register_info;
+	u64 in_enable, in_status;
+	acpi_status status;
+	u8 *ret = ret_ptr;
+	u32 i;
+
+	/* Examine each GPE Register within the block */
+
+	for (i = 0; i < gpe_block->register_count; i++) {
+		gpe_register_info = &gpe_block->register_info[i];
+
+		status = acpi_hw_read(&in_enable,
+				      &gpe_register_info->enable_address);
+		if (ACPI_FAILURE(status)) {
+			continue;
+		}
+
+		status = acpi_hw_read(&in_status,
+				      &gpe_register_info->status_address);
+		if (ACPI_FAILURE(status)) {
+			continue;
+		}
+
+		*ret |= in_enable & in_status;
+	}
+
+	return (AE_OK);
+}
+
 /******************************************************************************
  *
  * FUNCTION:    acpi_hw_disable_all_gpes
@@ -510,4 +557,28 @@ acpi_status acpi_hw_enable_all_wakeup_gpes(void)
 	return_ACPI_STATUS(status);
 }
 
+/******************************************************************************
+ *
+ * FUNCTION:    acpi_hw_check_all_gpes
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Combined status of all GPEs
+ *
+ * DESCRIPTION: Check all enabled GPEs in all GPE blocks and return TRUE if the
+ *              status bit is set for at least one of them of FALSE otherwise.
+ *
+ ******************************************************************************/
+
+u8 acpi_hw_check_all_gpes(void)
+{
+	u8 ret = 0;
+
+	ACPI_FUNCTION_TRACE(acpi_hw_check_all_gpes);
+
+	(void)acpi_ev_walk_gpe_list(acpi_hw_get_gpe_block_status, &ret);
+
+	return (ret != 0);
+}
+
 #endif				/* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index bd75caff8322..ca5cdb621c2a 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -179,6 +179,7 @@ EXPORT_SYMBOL(first_ec);
 
 static struct acpi_ec *boot_ec;
 static bool boot_ec_is_ecdt = false;
+static struct workqueue_struct *ec_wq;
 static struct workqueue_struct *ec_query_wq;
 
 static int EC_FLAGS_QUERY_HANDSHAKE; /* Needs QR_EC issued when SCI_EVT set */
@@ -461,7 +462,7 @@ static void acpi_ec_submit_query(struct acpi_ec *ec)
 		ec_dbg_evt("Command(%s) submitted/blocked",
 			   acpi_ec_cmd_string(ACPI_EC_COMMAND_QUERY));
 		ec->nr_pending_queries++;
-		schedule_work(&ec->work);
+		queue_work(ec_wq, &ec->work);
 	}
 }
 
@@ -527,7 +528,7 @@ static void acpi_ec_enable_event(struct acpi_ec *ec)
 #ifdef CONFIG_PM_SLEEP
 static void __acpi_ec_flush_work(void)
 {
-	flush_scheduled_work(); /* flush ec->work */
+	drain_workqueue(ec_wq); /* flush ec->work */
 	flush_workqueue(ec_query_wq); /* flush queries */
 }
 
@@ -548,8 +549,8 @@ static void acpi_ec_disable_event(struct acpi_ec *ec)
 
 void acpi_ec_flush_work(void)
 {
-	/* Without ec_query_wq there is nothing to flush. */
-	if (!ec_query_wq)
+	/* Without ec_wq there is nothing to flush. */
+	if (!ec_wq)
 		return;
 
 	__acpi_ec_flush_work();
@@ -2032,25 +2033,33 @@ static struct acpi_driver acpi_ec_driver = {
 	.drv.pm = &acpi_ec_pm,
 };
 
-static inline int acpi_ec_query_init(void)
+static void acpi_ec_destroy_workqueues(void)
 {
-	if (!ec_query_wq) {
-		ec_query_wq = alloc_workqueue("kec_query", 0,
-					      ec_max_queries);
-		if (!ec_query_wq)
-			return -ENODEV;
+	if (ec_wq) {
+		destroy_workqueue(ec_wq);
+		ec_wq = NULL;
 	}
-	return 0;
-}
-
-static inline void acpi_ec_query_exit(void)
-{
 	if (ec_query_wq) {
 		destroy_workqueue(ec_query_wq);
 		ec_query_wq = NULL;
 	}
 }
 
+static int acpi_ec_init_workqueues(void)
+{
+	if (!ec_wq)
+		ec_wq = alloc_ordered_workqueue("kec", 0);
+
+	if (!ec_query_wq)
+		ec_query_wq = alloc_workqueue("kec_query", 0, ec_max_queries);
+
+	if (!ec_wq || !ec_query_wq) {
+		acpi_ec_destroy_workqueues();
+		return -ENODEV;
+	}
+	return 0;
+}
+
 static const struct dmi_system_id acpi_ec_no_wakeup[] = {
 	{
 		.ident = "Thinkpad X1 Carbon 6th",
@@ -2081,8 +2090,7 @@ int __init acpi_ec_init(void)
 	int result;
 	int ecdt_fail, dsdt_fail;
 
-	/* register workqueue for _Qxx evaluations */
-	result = acpi_ec_query_init();
+	result = acpi_ec_init_workqueues();
 	if (result)
 		return result;
 
@@ -2113,6 +2121,6 @@ static void __exit acpi_ec_exit(void)
 {
 
 	acpi_bus_unregister_driver(&acpi_ec_driver);
-	acpi_ec_query_exit();
+	acpi_ec_destroy_workqueues();
 }
 #endif	/* 0 */
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 2af937a8b1c5..62348ec2a807 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -977,21 +977,34 @@ static int acpi_s2idle_prepare_late(void)
 	return 0;
 }
 
-static void acpi_s2idle_wake(void)
+static bool acpi_s2idle_wake(void)
 {
-	/*
-	 * If IRQD_WAKEUP_ARMED is set for the SCI at this point, the SCI has
-	 * not triggered while suspended, so bail out.
-	 */
-	if (!acpi_sci_irq_valid() ||
-	    irqd_is_wakeup_armed(irq_get_irq_data(acpi_sci_irq)))
-		return;
+	if (!acpi_sci_irq_valid())
+		return pm_wakeup_pending();
+
+	while (pm_wakeup_pending()) {
+		/*
+		 * If IRQD_WAKEUP_ARMED is set for the SCI at this point, the
+		 * SCI has not triggered while suspended, so bail out (the
+		 * wakeup is pending anyway and the SCI is not the source of
+		 * it).
+		 */
+		if (irqd_is_wakeup_armed(irq_get_irq_data(acpi_sci_irq)))
+			return true;
+
+		/*
+		 * If there are no EC events to process and at least one of the
+		 * other enabled GPEs is active, the wakeup is regarded as a
+		 * genuine one.
+		 *
+		 * Note that the checks below must be carried out in this order
+		 * to avoid returning prematurely due to a change of the EC GPE
+		 * status bit from unset to set between the checks with the
+		 * status bits of all the other GPEs unset.
+		 */
+		if (acpi_any_gpe_status_set() && !acpi_ec_dispatch_gpe())
+			return true;
 
-	/*
-	 * If there are EC events to process, the wakeup may be a spurious one
-	 * coming from the EC.
-	 */
-	if (acpi_ec_dispatch_gpe()) {
 		/*
 		 * Cancel the wakeup and process all pending events in case
 		 * there are any wakeup ones in there.
@@ -1009,8 +1022,19 @@ static void acpi_s2idle_wake(void)
 		acpi_ec_flush_work();
 		acpi_os_wait_events_complete(); /* synchronize Notify handling */
 
+		/*
+		 * The SCI is in the "suspended" state now and it cannot produce
+		 * new wakeup events till the rearming below, so if any of them
+		 * are pending here, they must be resulting from the processing
+		 * of EC events above or coming from somewhere else.
+		 */
+		if (pm_wakeup_pending())
+			return true;
+
 		rearm_wake_irq(acpi_sci_irq);
 	}
+
+	return false;
 }
 
 static void acpi_s2idle_restore_early(void)
diff --git a/drivers/bus/moxtet.c b/drivers/bus/moxtet.c
index 36cf13eee6b8..68413bf9cf87 100644
--- a/drivers/bus/moxtet.c
+++ b/drivers/bus/moxtet.c
@@ -466,7 +466,7 @@ static ssize_t input_read(struct file *file, char __user *buf, size_t len,
 {
 	struct moxtet *moxtet = file->private_data;
 	u8 bin[TURRIS_MOX_MAX_MODULES];
-	u8 hex[sizeof(buf) * 2 + 1];
+	u8 hex[sizeof(bin) * 2 + 1];
 	int ret, n;
 
 	ret = moxtet_spi_read(moxtet, bin);
diff --git a/drivers/char/ipmi/ipmb_dev_int.c b/drivers/char/ipmi/ipmb_dev_int.c
index 285e0b8f9a97..09e3e25562a8 100644
--- a/drivers/char/ipmi/ipmb_dev_int.c
+++ b/drivers/char/ipmi/ipmb_dev_int.c
@@ -265,7 +265,7 @@ static int ipmb_slave_cb(struct i2c_client *client,
 		break;
 
 	case I2C_SLAVE_WRITE_RECEIVED:
-		if (ipmb_dev->msg_idx >= sizeof(struct ipmb_msg))
+		if (ipmb_dev->msg_idx >= sizeof(struct ipmb_msg) - 1)
 			break;
 
 		buf[++ipmb_dev->msg_idx] = *val;
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index e6fd079783bd..e73ca303f1a7 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -503,16 +503,10 @@ void edac_mc_free(struct mem_ctl_info *mci)
 {
 	edac_dbg(1, "\n");
 
-	/* If we're not yet registered with sysfs free only what was allocated
-	 * in edac_mc_alloc().
-	 */
-	if (!device_is_registered(&mci->dev)) {
-		_edac_mc_free(mci);
-		return;
-	}
+	if (device_is_registered(&mci->dev))
+		edac_unregister_sysfs(mci);
 
-	/* the mci instance is freed here, when the sysfs object is dropped */
-	edac_unregister_sysfs(mci);
+	_edac_mc_free(mci);
 }
 EXPORT_SYMBOL_GPL(edac_mc_free);
 
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index 32d016f1ecd1..0287884ae28c 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -276,10 +276,7 @@ static const struct attribute_group *csrow_attr_groups[] = {
 
 static void csrow_attr_release(struct device *dev)
 {
-	struct csrow_info *csrow = container_of(dev, struct csrow_info, dev);
-
-	edac_dbg(1, "device %s released\n", dev_name(dev));
-	kfree(csrow);
+	/* release device with _edac_mc_free() */
 }
 
 static const struct device_type csrow_attr_type = {
@@ -447,8 +444,7 @@ static int edac_create_csrow_objects(struct mem_ctl_info *mci)
 		csrow = mci->csrows[i];
 		if (!nr_pages_per_csrow(csrow))
 			continue;
-
-		device_del(&mci->csrows[i]->dev);
+		device_unregister(&mci->csrows[i]->dev);
 	}
 
 	return err;
@@ -620,10 +616,7 @@ static const struct attribute_group *dimm_attr_groups[] = {
 
 static void dimm_attr_release(struct device *dev)
 {
-	struct dimm_info *dimm = container_of(dev, struct dimm_info, dev);
-
-	edac_dbg(1, "device %s released\n", dev_name(dev));
-	kfree(dimm);
+	/* release device with _edac_mc_free() */
 }
 
 static const struct device_type dimm_attr_type = {
@@ -906,10 +899,7 @@ static const struct attribute_group *mci_attr_groups[] = {
 
 static void mci_attr_release(struct device *dev)
 {
-	struct mem_ctl_info *mci = container_of(dev, struct mem_ctl_info, dev);
-
-	edac_dbg(1, "device %s released\n", dev_name(dev));
-	kfree(mci);
+	/* release device with _edac_mc_free() */
 }
 
 static const struct device_type mci_attr_type = {
diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c
index a9748b5198e6..67f9f82e0db0 100644
--- a/drivers/gpio/gpio-xilinx.c
+++ b/drivers/gpio/gpio-xilinx.c
@@ -147,9 +147,10 @@ static void xgpio_set_multiple(struct gpio_chip *gc, unsigned long *mask,
 	for (i = 0; i < gc->ngpio; i++) {
 		if (*mask == 0)
 			break;
+		/* Once finished with an index write it out to the register */
 		if (index !=  xgpio_index(chip, i)) {
 			xgpio_writereg(chip->regs + XGPIO_DATA_OFFSET +
-				       xgpio_regoffset(chip, i),
+				       index * XGPIO_CHANNEL_OFFSET,
 				       chip->gpio_state[index]);
 			spin_unlock_irqrestore(&chip->gpio_lock[index], flags);
 			index =  xgpio_index(chip, i);
@@ -165,7 +166,7 @@ static void xgpio_set_multiple(struct gpio_chip *gc, unsigned long *mask,
 	}
 
 	xgpio_writereg(chip->regs + XGPIO_DATA_OFFSET +
-		       xgpio_regoffset(chip, i), chip->gpio_state[index]);
+		       index * XGPIO_CHANNEL_OFFSET, chip->gpio_state[index]);
 
 	spin_unlock_irqrestore(&chip->gpio_lock[index], flags);
 }
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 7ee5b7f53aeb..3ece59185d37 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -146,10 +146,6 @@ static void of_gpio_flags_quirks(struct device_node *np,
 			if (of_property_read_bool(np, "cd-inverted"))
 				*flags ^= OF_GPIO_ACTIVE_LOW;
 		}
-		if (!strcmp(propname, "wp-gpios")) {
-			if (of_property_read_bool(np, "wp-inverted"))
-				*flags ^= OF_GPIO_ACTIVE_LOW;
-		}
 	}
 	/*
 	 * Some GPIO fixed regulator quirks.
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 2476306e7030..22506e4614b3 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -3220,6 +3220,17 @@ int gpiod_is_active_low(const struct gpio_desc *desc)
 }
 EXPORT_SYMBOL_GPL(gpiod_is_active_low);
 
+/**
+ * gpiod_toggle_active_low - toggle whether a GPIO is active-low or not
+ * @desc: the gpio descriptor to change
+ */
+void gpiod_toggle_active_low(struct gpio_desc *desc)
+{
+	VALIDATE_DESC_VOID(desc);
+	change_bit(FLAG_ACTIVE_LOW, &desc->flags);
+}
+EXPORT_SYMBOL_GPL(gpiod_toggle_active_low);
+
 /* I/O calls are only valid after configuration completed; the relevant
  * "is this a valid GPIO" error checks should already have been done.
  *
diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c
index 5906c80c4b2c..f57dd195dfb8 100644
--- a/drivers/gpu/drm/panfrost/panfrost_drv.c
+++ b/drivers/gpu/drm/panfrost/panfrost_drv.c
@@ -166,6 +166,7 @@ panfrost_lookup_bos(struct drm_device *dev,
 			break;
 		}
 
+		atomic_inc(&bo->gpu_usecount);
 		job->mappings[i] = mapping;
 	}
 
diff --git a/drivers/gpu/drm/panfrost/panfrost_gem.h b/drivers/gpu/drm/panfrost/panfrost_gem.h
index ca1bc9019600..b3517ff9630c 100644
--- a/drivers/gpu/drm/panfrost/panfrost_gem.h
+++ b/drivers/gpu/drm/panfrost/panfrost_gem.h
@@ -30,6 +30,12 @@ struct panfrost_gem_object {
 		struct mutex lock;
 	} mappings;
 
+	/*
+	 * Count the number of jobs referencing this BO so we don't let the
+	 * shrinker reclaim this object prematurely.
+	 */
+	atomic_t gpu_usecount;
+
 	bool noexec		:1;
 	bool is_heap		:1;
 };
diff --git a/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c b/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c
index f5dd7b29bc95..288e46c40673 100644
--- a/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c
+++ b/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c
@@ -41,6 +41,9 @@ static bool panfrost_gem_purge(struct drm_gem_object *obj)
 	struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);
 	struct panfrost_gem_object *bo = to_panfrost_bo(obj);
 
+	if (atomic_read(&bo->gpu_usecount))
+		return false;
+
 	if (!mutex_trylock(&shmem->pages_lock))
 		return false;
 
diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c b/drivers/gpu/drm/panfrost/panfrost_job.c
index bbb0c5e3ca6f..9f770d454684 100644
--- a/drivers/gpu/drm/panfrost/panfrost_job.c
+++ b/drivers/gpu/drm/panfrost/panfrost_job.c
@@ -270,8 +270,13 @@ static void panfrost_job_cleanup(struct kref *ref)
 	dma_fence_put(job->render_done_fence);
 
 	if (job->mappings) {
-		for (i = 0; i < job->bo_count; i++)
+		for (i = 0; i < job->bo_count; i++) {
+			if (!job->mappings[i])
+				break;
+
+			atomic_dec(&job->mappings[i]->obj->gpu_usecount);
 			panfrost_gem_mapping_put(job->mappings[i]);
+		}
 		kvfree(job->mappings);
 	}
 
diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c
index a5757b11b730..5b54eff12cc0 100644
--- a/drivers/gpu/drm/sun4i/sun4i_drv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_drv.c
@@ -85,7 +85,6 @@ static int sun4i_drv_bind(struct device *dev)
 	}
 
 	drm_mode_config_init(drm);
-	drm->mode_config.allow_fb_modifiers = true;
 
 	ret = component_bind_all(drm->dev, drm);
 	if (ret) {
diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
index 5bd60ded3d81..909eba43664a 100644
--- a/drivers/gpu/drm/vgem/vgem_drv.c
+++ b/drivers/gpu/drm/vgem/vgem_drv.c
@@ -196,9 +196,10 @@ static struct drm_gem_object *vgem_gem_create(struct drm_device *dev,
 		return ERR_CAST(obj);
 
 	ret = drm_gem_handle_create(file, &obj->base, handle);
-	drm_gem_object_put_unlocked(&obj->base);
-	if (ret)
+	if (ret) {
+		drm_gem_object_put_unlocked(&obj->base);
 		return ERR_PTR(ret);
+	}
 
 	return &obj->base;
 }
@@ -221,7 +222,9 @@ static int vgem_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
 	args->size = gem_object->size;
 	args->pitch = pitch;
 
-	DRM_DEBUG("Created object of size %lld\n", size);
+	drm_gem_object_put_unlocked(gem_object);
+
+	DRM_DEBUG("Created object of size %llu\n", args->size);
 
 	return 0;
 }
diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c
index f01f4887fb2e..a91ed01abb68 100644
--- a/drivers/hwmon/pmbus/ltc2978.c
+++ b/drivers/hwmon/pmbus/ltc2978.c
@@ -82,8 +82,8 @@ enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882,
 
 #define LTC_POLL_TIMEOUT		100	/* in milli-seconds */
 
-#define LTC_NOT_BUSY			BIT(5)
-#define LTC_NOT_PENDING			BIT(4)
+#define LTC_NOT_BUSY			BIT(6)
+#define LTC_NOT_PENDING			BIT(5)
 
 /*
  * LTC2978 clears peak data whenever the CLEAR_FAULTS command is executed, which
diff --git a/drivers/infiniband/core/security.c b/drivers/infiniband/core/security.c
index 6eb6d2717ca5..2b4d80393bd0 100644
--- a/drivers/infiniband/core/security.c
+++ b/drivers/infiniband/core/security.c
@@ -339,22 +339,16 @@ static struct ib_ports_pkeys *get_new_pps(const struct ib_qp *qp,
 	if (!new_pps)
 		return NULL;
 
-	if (qp_attr_mask & (IB_QP_PKEY_INDEX | IB_QP_PORT)) {
-		if (!qp_pps) {
-			new_pps->main.port_num = qp_attr->port_num;
-			new_pps->main.pkey_index = qp_attr->pkey_index;
-		} else {
-			new_pps->main.port_num = (qp_attr_mask & IB_QP_PORT) ?
-						  qp_attr->port_num :
-						  qp_pps->main.port_num;
-
-			new_pps->main.pkey_index =
-					(qp_attr_mask & IB_QP_PKEY_INDEX) ?
-					 qp_attr->pkey_index :
-					 qp_pps->main.pkey_index;
-		}
+	if (qp_attr_mask & IB_QP_PORT)
+		new_pps->main.port_num =
+			(qp_pps) ? qp_pps->main.port_num : qp_attr->port_num;
+	if (qp_attr_mask & IB_QP_PKEY_INDEX)
+		new_pps->main.pkey_index = (qp_pps) ? qp_pps->main.pkey_index :
+						      qp_attr->pkey_index;
+	if ((qp_attr_mask & IB_QP_PKEY_INDEX) && (qp_attr_mask & IB_QP_PORT))
 		new_pps->main.state = IB_PORT_PKEY_VALID;
-	} else if (qp_pps) {
+
+	if (!(qp_attr_mask & (IB_QP_PKEY_INDEX || IB_QP_PORT)) && qp_pps) {
 		new_pps->main.port_num = qp_pps->main.port_num;
 		new_pps->main.pkey_index = qp_pps->main.pkey_index;
 		if (qp_pps->main.state != IB_PORT_PKEY_NOT_VALID)
diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c
index d1407fa378e8..1235ffb2389b 100644
--- a/drivers/infiniband/core/user_mad.c
+++ b/drivers/infiniband/core/user_mad.c
@@ -1312,6 +1312,9 @@ static void ib_umad_kill_port(struct ib_umad_port *port)
 	struct ib_umad_file *file;
 	int id;
 
+	cdev_device_del(&port->sm_cdev, &port->sm_dev);
+	cdev_device_del(&port->cdev, &port->dev);
+
 	mutex_lock(&port->file_mutex);
 
 	/* Mark ib_dev NULL and block ioctl or other file ops to progress
@@ -1331,8 +1334,6 @@ static void ib_umad_kill_port(struct ib_umad_port *port)
 
 	mutex_unlock(&port->file_mutex);
 
-	cdev_device_del(&port->sm_cdev, &port->sm_dev);
-	cdev_device_del(&port->cdev, &port->dev);
 	ida_free(&umad_ida, port->dev_num);
 
 	/* balances device_initialize() */
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 14a80fd9f464..300353c1e5f1 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -2718,12 +2718,6 @@ static int kern_spec_to_ib_spec_action(struct uverbs_attr_bundle *attrs,
 	return 0;
 }
 
-static size_t kern_spec_filter_sz(const struct ib_uverbs_flow_spec_hdr *spec)
-{
-	/* Returns user space filter size, includes padding */
-	return (spec->size - sizeof(struct ib_uverbs_flow_spec_hdr)) / 2;
-}
-
 static ssize_t spec_filter_size(const void *kern_spec_filter, u16 kern_filter_size,
 				u16 ib_real_filter_sz)
 {
@@ -2867,11 +2861,16 @@ int ib_uverbs_kern_spec_to_ib_spec_filter(enum ib_flow_spec_type type,
 static int kern_spec_to_ib_spec_filter(struct ib_uverbs_flow_spec *kern_spec,
 				       union ib_flow_spec *ib_spec)
 {
-	ssize_t kern_filter_sz;
+	size_t kern_filter_sz;
 	void *kern_spec_mask;
 	void *kern_spec_val;
 
-	kern_filter_sz = kern_spec_filter_sz(&kern_spec->hdr);
+	if (check_sub_overflow((size_t)kern_spec->hdr.size,
+			       sizeof(struct ib_uverbs_flow_spec_hdr),
+			       &kern_filter_sz))
+		return -EINVAL;
+
+	kern_filter_sz /= 2;
 
 	kern_spec_val = (void *)kern_spec +
 		sizeof(struct ib_uverbs_flow_spec_hdr);
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 347dc242fb88..d82e0589cfd2 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -3036,6 +3036,10 @@ static int terminate(struct c4iw_dev *dev, struct sk_buff *skb)
 				       C4IW_QP_ATTR_NEXT_STATE, &attrs, 1);
 		}
 
+		/* As per draft-hilland-iwarp-verbs-v1.0, sec 6.2.3,
+		 * when entering the TERM state the RNIC MUST initiate a CLOSE.
+		 */
+		c4iw_ep_disconnect(ep, 1, GFP_KERNEL);
 		c4iw_put_ep(&ep->com);
 	} else
 		pr_warn("TERM received tid %u no ep/qp\n", tid);
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index bbcac539777a..89ac2f9ae6dd 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -1948,10 +1948,10 @@ int c4iw_modify_qp(struct c4iw_dev *rhp, struct c4iw_qp *qhp,
 			qhp->attr.layer_etype = attrs->layer_etype;
 			qhp->attr.ecode = attrs->ecode;
 			ep = qhp->ep;
-			c4iw_get_ep(&ep->com);
-			disconnect = 1;
 			if (!internal) {
+				c4iw_get_ep(&ep->com);
 				terminate = 1;
+				disconnect = 1;
 			} else {
 				terminate = qhp->attr.send_term;
 				ret = rdma_fini(rhp, qhp, ep);
diff --git a/drivers/infiniband/hw/hfi1/affinity.c b/drivers/infiniband/hw/hfi1/affinity.c
index c142b23bb401..1aeea5d65c01 100644
--- a/drivers/infiniband/hw/hfi1/affinity.c
+++ b/drivers/infiniband/hw/hfi1/affinity.c
@@ -479,6 +479,8 @@ static int _dev_comp_vect_mappings_create(struct hfi1_devdata *dd,
 			  rvt_get_ibdev_name(&(dd)->verbs_dev.rdi), i, cpu);
 	}
 
+	free_cpumask_var(available_cpus);
+	free_cpumask_var(non_intr_cpus);
 	return 0;
 
 fail:
diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c
index f9a7e9d29c8b..89e1dfd07a1b 100644
--- a/drivers/infiniband/hw/hfi1/file_ops.c
+++ b/drivers/infiniband/hw/hfi1/file_ops.c
@@ -200,23 +200,24 @@ static int hfi1_file_open(struct inode *inode, struct file *fp)
 
 	fd = kzalloc(sizeof(*fd), GFP_KERNEL);
 
-	if (fd) {
-		fd->rec_cpu_num = -1; /* no cpu affinity by default */
-		fd->mm = current->mm;
-		mmgrab(fd->mm);
-		fd->dd = dd;
-		kobject_get(&fd->dd->kobj);
-		fp->private_data = fd;
-	} else {
-		fp->private_data = NULL;
-
-		if (atomic_dec_and_test(&dd->user_refcount))
-			complete(&dd->user_comp);
-
-		return -ENOMEM;
-	}
-
+	if (!fd || init_srcu_struct(&fd->pq_srcu))
+		goto nomem;
+	spin_lock_init(&fd->pq_rcu_lock);
+	spin_lock_init(&fd->tid_lock);
+	spin_lock_init(&fd->invalid_lock);
+	fd->rec_cpu_num = -1; /* no cpu affinity by default */
+	fd->mm = current->mm;
+	mmgrab(fd->mm);
+	fd->dd = dd;
+	kobject_get(&fd->dd->kobj);
+	fp->private_data = fd;
 	return 0;
+nomem:
+	kfree(fd);
+	fp->private_data = NULL;
+	if (atomic_dec_and_test(&dd->user_refcount))
+		complete(&dd->user_comp);
+	return -ENOMEM;
 }
 
 static long hfi1_file_ioctl(struct file *fp, unsigned int cmd,
@@ -301,21 +302,30 @@ static long hfi1_file_ioctl(struct file *fp, unsigned int cmd,
 static ssize_t hfi1_write_iter(struct kiocb *kiocb, struct iov_iter *from)
 {
 	struct hfi1_filedata *fd = kiocb->ki_filp->private_data;
-	struct hfi1_user_sdma_pkt_q *pq = fd->pq;
+	struct hfi1_user_sdma_pkt_q *pq;
 	struct hfi1_user_sdma_comp_q *cq = fd->cq;
 	int done = 0, reqs = 0;
 	unsigned long dim = from->nr_segs;
+	int idx;
 
-	if (!cq || !pq)
+	idx = srcu_read_lock(&fd->pq_srcu);
+	pq = srcu_dereference(fd->pq, &fd->pq_srcu);
+	if (!cq || !pq) {
+		srcu_read_unlock(&fd->pq_srcu, idx);
 		return -EIO;
+	}
 
-	if (!iter_is_iovec(from) || !dim)
+	if (!iter_is_iovec(from) || !dim) {
+		srcu_read_unlock(&fd->pq_srcu, idx);
 		return -EINVAL;
+	}
 
 	trace_hfi1_sdma_request(fd->dd, fd->uctxt->ctxt, fd->subctxt, dim);
 
-	if (atomic_read(&pq->n_reqs) == pq->n_max_reqs)
+	if (atomic_read(&pq->n_reqs) == pq->n_max_reqs) {
+		srcu_read_unlock(&fd->pq_srcu, idx);
 		return -ENOSPC;
+	}
 
 	while (dim) {
 		int ret;
@@ -333,6 +343,7 @@ static ssize_t hfi1_write_iter(struct kiocb *kiocb, struct iov_iter *from)
 		reqs++;
 	}
 
+	srcu_read_unlock(&fd->pq_srcu, idx);
 	return reqs;
 }
 
@@ -707,6 +718,7 @@ static int hfi1_file_close(struct inode *inode, struct file *fp)
 	if (atomic_dec_and_test(&dd->user_refcount))
 		complete(&dd->user_comp);
 
+	cleanup_srcu_struct(&fdata->pq_srcu);
 	kfree(fdata);
 	return 0;
 }
diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h
index fa45350a9a1d..1af94650bd84 100644
--- a/drivers/infiniband/hw/hfi1/hfi.h
+++ b/drivers/infiniband/hw/hfi1/hfi.h
@@ -1436,10 +1436,13 @@ struct mmu_rb_handler;
 
 /* Private data for file operations */
 struct hfi1_filedata {
+	struct srcu_struct pq_srcu;
 	struct hfi1_devdata *dd;
 	struct hfi1_ctxtdata *uctxt;
 	struct hfi1_user_sdma_comp_q *cq;
-	struct hfi1_user_sdma_pkt_q *pq;
+	/* update side lock for SRCU */
+	spinlock_t pq_rcu_lock;
+	struct hfi1_user_sdma_pkt_q __rcu *pq;
 	u16 subctxt;
 	/* for cpu affinity; -1 if none */
 	int rec_cpu_num;
diff --git a/drivers/infiniband/hw/hfi1/user_exp_rcv.c b/drivers/infiniband/hw/hfi1/user_exp_rcv.c
index 3592a9ec155e..4d732353379d 100644
--- a/drivers/infiniband/hw/hfi1/user_exp_rcv.c
+++ b/drivers/infiniband/hw/hfi1/user_exp_rcv.c
@@ -90,9 +90,6 @@ int hfi1_user_exp_rcv_init(struct hfi1_filedata *fd,
 	struct hfi1_devdata *dd = uctxt->dd;
 	int ret = 0;
 
-	spin_lock_init(&fd->tid_lock);
-	spin_lock_init(&fd->invalid_lock);
-
 	fd->entry_to_rb = kcalloc(uctxt->expected_count,
 				  sizeof(struct rb_node *),
 				  GFP_KERNEL);
@@ -165,10 +162,12 @@ void hfi1_user_exp_rcv_free(struct hfi1_filedata *fd)
 	if (fd->handler) {
 		hfi1_mmu_rb_unregister(fd->handler);
 	} else {
+		mutex_lock(&uctxt->exp_mutex);
 		if (!EXP_TID_SET_EMPTY(uctxt->tid_full_list))
 			unlock_exp_tids(uctxt, &uctxt->tid_full_list, fd);
 		if (!EXP_TID_SET_EMPTY(uctxt->tid_used_list))
 			unlock_exp_tids(uctxt, &uctxt->tid_used_list, fd);
+		mutex_unlock(&uctxt->exp_mutex);
 	}
 
 	kfree(fd->invalid_tids);
diff --git a/drivers/infiniband/hw/hfi1/user_sdma.c b/drivers/infiniband/hw/hfi1/user_sdma.c
index fd754a16475a..c2f0d9ba93de 100644
--- a/drivers/infiniband/hw/hfi1/user_sdma.c
+++ b/drivers/infiniband/hw/hfi1/user_sdma.c
@@ -179,7 +179,6 @@ int hfi1_user_sdma_alloc_queues(struct hfi1_ctxtdata *uctxt,
 	pq = kzalloc(sizeof(*pq), GFP_KERNEL);
 	if (!pq)
 		return -ENOMEM;
-
 	pq->dd = dd;
 	pq->ctxt = uctxt->ctxt;
 	pq->subctxt = fd->subctxt;
@@ -236,7 +235,7 @@ int hfi1_user_sdma_alloc_queues(struct hfi1_ctxtdata *uctxt,
 		goto pq_mmu_fail;
 	}
 
-	fd->pq = pq;
+	rcu_assign_pointer(fd->pq, pq);
 	fd->cq = cq;
 
 	return 0;
@@ -264,8 +263,14 @@ int hfi1_user_sdma_free_queues(struct hfi1_filedata *fd,
 
 	trace_hfi1_sdma_user_free_queues(uctxt->dd, uctxt->ctxt, fd->subctxt);
 
-	pq = fd->pq;
+	spin_lock(&fd->pq_rcu_lock);
+	pq = srcu_dereference_check(fd->pq, &fd->pq_srcu,
+				    lockdep_is_held(&fd->pq_rcu_lock));
 	if (pq) {
+		rcu_assign_pointer(fd->pq, NULL);
+		spin_unlock(&fd->pq_rcu_lock);
+		synchronize_srcu(&fd->pq_srcu);
+		/* at this point there can be no more new requests */
 		if (pq->handler)
 			hfi1_mmu_rb_unregister(pq->handler);
 		iowait_sdma_drain(&pq->busy);
@@ -277,7 +282,8 @@ int hfi1_user_sdma_free_queues(struct hfi1_filedata *fd,
 		kfree(pq->req_in_use);
 		kmem_cache_destroy(pq->txreq_cache);
 		kfree(pq);
-		fd->pq = NULL;
+	} else {
+		spin_unlock(&fd->pq_rcu_lock);
 	}
 	if (fd->cq) {
 		vfree(fd->cq->comps);
@@ -321,7 +327,8 @@ int hfi1_user_sdma_process_request(struct hfi1_filedata *fd,
 {
 	int ret = 0, i;
 	struct hfi1_ctxtdata *uctxt = fd->uctxt;
-	struct hfi1_user_sdma_pkt_q *pq = fd->pq;
+	struct hfi1_user_sdma_pkt_q *pq =
+		srcu_dereference(fd->pq, &fd->pq_srcu);
 	struct hfi1_user_sdma_comp_q *cq = fd->cq;
 	struct hfi1_devdata *dd = pq->dd;
 	unsigned long idx = 0;
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 5fd071c05944..0865373bd12d 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -3391,9 +3391,6 @@ static int __mlx5_ib_qp_set_counter(struct ib_qp *qp,
 	struct mlx5_ib_qp_base *base;
 	u32 set_id;
 
-	if (!MLX5_CAP_GEN(dev->mdev, rts2rts_qp_counters_set_id))
-		return 0;
-
 	if (counter)
 		set_id = counter->id;
 	else
@@ -6503,6 +6500,7 @@ void mlx5_ib_drain_rq(struct ib_qp *qp)
  */
 int mlx5_ib_qp_set_counter(struct ib_qp *qp, struct rdma_counter *counter)
 {
+	struct mlx5_ib_dev *dev = to_mdev(qp->device);
 	struct mlx5_ib_qp *mqp = to_mqp(qp);
 	int err = 0;
 
@@ -6512,6 +6510,11 @@ int mlx5_ib_qp_set_counter(struct ib_qp *qp, struct rdma_counter *counter)
 		goto out;
 	}
 
+	if (!MLX5_CAP_GEN(dev->mdev, rts2rts_qp_counters_set_id)) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
 	if (mqp->state == IB_QPS_RTS) {
 		err = __mlx5_ib_qp_set_counter(qp, counter);
 		if (!err)
diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c
index 0b0a241c57ff..799254a049ba 100644
--- a/drivers/infiniband/sw/rdmavt/qp.c
+++ b/drivers/infiniband/sw/rdmavt/qp.c
@@ -61,6 +61,8 @@
 #define RVT_RWQ_COUNT_THRESHOLD 16
 
 static void rvt_rc_timeout(struct timer_list *t);
+static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp,
+			 enum ib_qp_type type);
 
 /*
  * Convert the AETH RNR timeout code into the number of microseconds.
@@ -452,40 +454,41 @@ int rvt_driver_qp_init(struct rvt_dev_info *rdi)
 }
 
 /**
- * free_all_qps - check for QPs still in use
+ * rvt_free_qp_cb - callback function to reset a qp
+ * @qp: the qp to reset
+ * @v: a 64-bit value
+ *
+ * This function resets the qp and removes it from the
+ * qp hash table.
+ */
+static void rvt_free_qp_cb(struct rvt_qp *qp, u64 v)
+{
+	unsigned int *qp_inuse = (unsigned int *)v;
+	struct rvt_dev_info *rdi = ib_to_rvt(qp->ibqp.device);
+
+	/* Reset the qp and remove it from the qp hash list */
+	rvt_reset_qp(rdi, qp, qp->ibqp.qp_type);
+
+	/* Increment the qp_inuse count */
+	(*qp_inuse)++;
+}
+
+/**
+ * rvt_free_all_qps - check for QPs still in use
  * @rdi: rvt device info structure
  *
  * There should not be any QPs still in use.
  * Free memory for table.
+ * Return the number of QPs still in use.
  */
 static unsigned rvt_free_all_qps(struct rvt_dev_info *rdi)
 {
-	unsigned long flags;
-	struct rvt_qp *qp;
-	unsigned n, qp_inuse = 0;
-	spinlock_t *ql; /* work around too long line below */
-
-	if (rdi->driver_f.free_all_qps)
-		qp_inuse = rdi->driver_f.free_all_qps(rdi);
+	unsigned int qp_inuse = 0;
 
 	qp_inuse += rvt_mcast_tree_empty(rdi);
 
-	if (!rdi->qp_dev)
-		return qp_inuse;
+	rvt_qp_iter(rdi, (u64)&qp_inuse, rvt_free_qp_cb);
 
-	ql = &rdi->qp_dev->qpt_lock;
-	spin_lock_irqsave(ql, flags);
-	for (n = 0; n < rdi->qp_dev->qp_table_size; n++) {
-		qp = rcu_dereference_protected(rdi->qp_dev->qp_table[n],
-					       lockdep_is_held(ql));
-		RCU_INIT_POINTER(rdi->qp_dev->qp_table[n], NULL);
-
-		for (; qp; qp = rcu_dereference_protected(qp->next,
-							  lockdep_is_held(ql)))
-			qp_inuse++;
-	}
-	spin_unlock_irqrestore(ql, flags);
-	synchronize_rcu();
 	return qp_inuse;
 }
 
@@ -902,14 +905,14 @@ static void rvt_init_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp,
 }
 
 /**
- * rvt_reset_qp - initialize the QP state to the reset state
+ * _rvt_reset_qp - initialize the QP state to the reset state
  * @qp: the QP to reset
  * @type: the QP type
  *
  * r_lock, s_hlock, and s_lock are required to be held by the caller
  */
-static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp,
-			 enum ib_qp_type type)
+static void _rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp,
+			  enum ib_qp_type type)
 	__must_hold(&qp->s_lock)
 	__must_hold(&qp->s_hlock)
 	__must_hold(&qp->r_lock)
@@ -955,6 +958,27 @@ static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp,
 	lockdep_assert_held(&qp->s_lock);
 }
 
+/**
+ * rvt_reset_qp - initialize the QP state to the reset state
+ * @rdi: the device info
+ * @qp: the QP to reset
+ * @type: the QP type
+ *
+ * This is the wrapper function to acquire the r_lock, s_hlock, and s_lock
+ * before calling _rvt_reset_qp().
+ */
+static void rvt_reset_qp(struct rvt_dev_info *rdi, struct rvt_qp *qp,
+			 enum ib_qp_type type)
+{
+	spin_lock_irq(&qp->r_lock);
+	spin_lock(&qp->s_hlock);
+	spin_lock(&qp->s_lock);
+	_rvt_reset_qp(rdi, qp, type);
+	spin_unlock(&qp->s_lock);
+	spin_unlock(&qp->s_hlock);
+	spin_unlock_irq(&qp->r_lock);
+}
+
 /** rvt_free_qpn - Free a qpn from the bit map
  * @qpt: QP table
  * @qpn: queue pair number to free
@@ -1546,7 +1570,7 @@ int rvt_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 	switch (new_state) {
 	case IB_QPS_RESET:
 		if (qp->state != IB_QPS_RESET)
-			rvt_reset_qp(rdi, qp, ibqp->qp_type);
+			_rvt_reset_qp(rdi, qp, ibqp->qp_type);
 		break;
 
 	case IB_QPS_RTR:
@@ -1695,13 +1719,7 @@ int rvt_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata)
 	struct rvt_qp *qp = ibqp_to_rvtqp(ibqp);
 	struct rvt_dev_info *rdi = ib_to_rvt(ibqp->device);
 
-	spin_lock_irq(&qp->r_lock);
-	spin_lock(&qp->s_hlock);
-	spin_lock(&qp->s_lock);
 	rvt_reset_qp(rdi, qp, ibqp->qp_type);
-	spin_unlock(&qp->s_lock);
-	spin_unlock(&qp->s_hlock);
-	spin_unlock_irq(&qp->r_lock);
 
 	wait_event(qp->wait, !atomic_read(&qp->refcount));
 	/* qpn is now available for use again */
diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c
index 116cafc9afcf..4bc88708b355 100644
--- a/drivers/infiniband/sw/rxe/rxe_comp.c
+++ b/drivers/infiniband/sw/rxe/rxe_comp.c
@@ -329,7 +329,7 @@ static inline enum comp_state check_ack(struct rxe_qp *qp,
 					qp->comp.psn = pkt->psn;
 					if (qp->req.wait_psn) {
 						qp->req.wait_psn = 0;
-						rxe_run_task(&qp->req.task, 1);
+						rxe_run_task(&qp->req.task, 0);
 					}
 				}
 				return COMPST_ERROR_RETRY;
@@ -463,7 +463,7 @@ static void do_complete(struct rxe_qp *qp, struct rxe_send_wqe *wqe)
 	 */
 	if (qp->req.wait_fence) {
 		qp->req.wait_fence = 0;
-		rxe_run_task(&qp->req.task, 1);
+		rxe_run_task(&qp->req.task, 0);
 	}
 }
 
@@ -479,7 +479,7 @@ static inline enum comp_state complete_ack(struct rxe_qp *qp,
 		if (qp->req.need_rd_atomic) {
 			qp->comp.timeout_retry = 0;
 			qp->req.need_rd_atomic = 0;
-			rxe_run_task(&qp->req.task, 1);
+			rxe_run_task(&qp->req.task, 0);
 		}
 	}
 
@@ -725,7 +725,7 @@ int rxe_completer(void *arg)
 							RXE_CNT_COMP_RETRY);
 					qp->req.need_retry = 1;
 					qp->comp.started_retry = 1;
-					rxe_run_task(&qp->req.task, 1);
+					rxe_run_task(&qp->req.task, 0);
 				}
 
 				if (pkt) {
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 1ae6f8bba9ae..2c666fb34625 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -146,7 +146,6 @@ static const char * const topbuttonpad_pnp_ids[] = {
 	"LEN0042", /* Yoga */
 	"LEN0045",
 	"LEN0047",
-	"LEN0049",
 	"LEN2000", /* S540 */
 	"LEN2001", /* Edge E431 */
 	"LEN2002", /* Edge E531 */
@@ -166,9 +165,11 @@ static const char * const smbus_pnp_ids[] = {
 	/* all of the topbuttonpad_pnp_ids are valid, we just add some extras */
 	"LEN0048", /* X1 Carbon 3 */
 	"LEN0046", /* X250 */
+	"LEN0049", /* Yoga 11e */
 	"LEN004a", /* W541 */
 	"LEN005b", /* P50 */
 	"LEN005e", /* T560 */
+	"LEN006c", /* T470s */
 	"LEN0071", /* T480 */
 	"LEN0072", /* X1 Carbon Gen 5 (2017) - Elan/ALPS trackpoint */
 	"LEN0073", /* X1 Carbon G5 (Elantech) */
@@ -179,6 +180,7 @@ static const char * const smbus_pnp_ids[] = {
 	"LEN0097", /* X280 -> ALPS trackpoint */
 	"LEN009b", /* T580 */
 	"LEN200f", /* T450s */
+	"LEN2044", /* L470  */
 	"LEN2054", /* E480 */
 	"LEN2055", /* E580 */
 	"SYN3052", /* HP EliteBook 840 G4 */
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 105b7a7c0251..b3484def0a8b 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -176,7 +176,6 @@ int mmc_of_parse(struct mmc_host *host)
 	u32 bus_width, drv_type, cd_debounce_delay_ms;
 	int ret;
 	bool cd_cap_invert, cd_gpio_invert = false;
-	bool ro_cap_invert, ro_gpio_invert = false;
 
 	if (!dev || !dev_fwnode(dev))
 		return 0;
@@ -255,9 +254,11 @@ int mmc_of_parse(struct mmc_host *host)
 	}
 
 	/* Parse Write Protection */
-	ro_cap_invert = device_property_read_bool(dev, "wp-inverted");
 
-	ret = mmc_gpiod_request_ro(host, "wp", 0, 0, &ro_gpio_invert);
+	if (device_property_read_bool(dev, "wp-inverted"))
+		host->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH;
+
+	ret = mmc_gpiod_request_ro(host, "wp", 0, 0, NULL);
 	if (!ret)
 		dev_info(host->parent, "Got WP GPIO\n");
 	else if (ret != -ENOENT && ret != -ENOSYS)
@@ -266,10 +267,6 @@ int mmc_of_parse(struct mmc_host *host)
 	if (device_property_read_bool(dev, "disable-wp"))
 		host->caps2 |= MMC_CAP2_NO_WRITE_PROTECT;
 
-	/* See the comment on CD inversion above */
-	if (ro_cap_invert ^ ro_gpio_invert)
-		host->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH;
-
 	if (device_property_read_bool(dev, "cap-sd-highspeed"))
 		host->caps |= MMC_CAP_SD_HIGHSPEED;
 	if (device_property_read_bool(dev, "cap-mmc-highspeed"))
diff --git a/drivers/mmc/core/slot-gpio.c b/drivers/mmc/core/slot-gpio.c
index da2596c5fa28..582ec3d720f6 100644
--- a/drivers/mmc/core/slot-gpio.c
+++ b/drivers/mmc/core/slot-gpio.c
@@ -241,6 +241,9 @@ int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id,
 			return ret;
 	}
 
+	if (host->caps2 & MMC_CAP2_RO_ACTIVE_HIGH)
+		gpiod_toggle_active_low(desc);
+
 	if (gpio_invert)
 		*gpio_invert = !gpiod_is_active_low(desc);
 
diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index 024acc1b0a2e..b2bbcb09a49e 100644
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -740,16 +740,16 @@ static int pxamci_probe(struct platform_device *pdev)
 			goto out;
 		}
 
+		if (!host->pdata->gpio_card_ro_invert)
+			mmc->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH;
+
 		ret = mmc_gpiod_request_ro(mmc, "wp", 0, 0, NULL);
 		if (ret && ret != -ENOENT) {
 			dev_err(dev, "Failed requesting gpio_ro\n");
 			goto out;
 		}
-		if (!ret) {
+		if (!ret)
 			host->use_ro_gpio = true;
-			mmc->caps2 |= host->pdata->gpio_card_ro_invert ?
-				0 : MMC_CAP2_RO_ACTIVE_HIGH;
-		}
 
 		if (host->pdata->init)
 			host->pdata->init(dev, pxamci_detect_irq, mmc);
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 1c988d6a2433..dccb4df46512 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -1381,13 +1381,14 @@ static int sdhci_esdhc_imx_probe_nondt(struct platform_device *pdev,
 				host->mmc->parent->platform_data);
 	/* write_protect */
 	if (boarddata->wp_type == ESDHC_WP_GPIO) {
+		host->mmc->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH;
+
 		err = mmc_gpiod_request_ro(host->mmc, "wp", 0, 0, NULL);
 		if (err) {
 			dev_err(mmc_dev(host->mmc),
 				"failed to request write-protect gpio!\n");
 			return err;
 		}
-		host->mmc->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH;
 	}
 
 	/* card_detect */
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index a6b7b242d516..e703827d27e9 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -3853,7 +3853,7 @@ static void nvme_get_fw_slot_info(struct nvme_ctrl *ctrl)
 	if (!log)
 		return;
 
-	if (nvme_get_log(ctrl, NVME_NSID_ALL, 0, NVME_LOG_FW_SLOT, log,
+	if (nvme_get_log(ctrl, NVME_NSID_ALL, NVME_LOG_FW_SLOT, 0, log,
 			sizeof(*log), 0))
 		dev_warn(ctrl->device, "Get FW SLOT INFO log error\n");
 	kfree(log);
diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c
index e17fac20127e..5c9898e934d9 100644
--- a/drivers/s390/crypto/pkey_api.c
+++ b/drivers/s390/crypto/pkey_api.c
@@ -794,7 +794,7 @@ static long pkey_unlocked_ioctl(struct file *filp, unsigned int cmd,
 			return -EFAULT;
 		rc = cca_sec2protkey(ksp.cardnr, ksp.domain,
 				     ksp.seckey.seckey, ksp.protkey.protkey,
-				     NULL, &ksp.protkey.type);
+				     &ksp.protkey.len, &ksp.protkey.type);
 		DEBUG_DBG("%s cca_sec2protkey()=%d\n", __func__, rc);
 		if (rc)
 			break;
diff --git a/drivers/spmi/spmi-pmic-arb.c b/drivers/spmi/spmi-pmic-arb.c
index 97acc2ba2912..de844b412110 100644
--- a/drivers/spmi/spmi-pmic-arb.c
+++ b/drivers/spmi/spmi-pmic-arb.c
@@ -731,6 +731,7 @@ static int qpnpint_irq_domain_translate(struct irq_domain *d,
 	return 0;
 }
 
+static struct lock_class_key qpnpint_irq_lock_class, qpnpint_irq_request_class;
 
 static void qpnpint_irq_domain_map(struct spmi_pmic_arb *pmic_arb,
 				   struct irq_domain *domain, unsigned int virq,
@@ -746,6 +747,9 @@ static void qpnpint_irq_domain_map(struct spmi_pmic_arb *pmic_arb,
 	else
 		handler = handle_level_irq;
 
+
+	irq_set_lockdep_class(virq, &qpnpint_irq_lock_class,
+			      &qpnpint_irq_request_class);
 	irq_domain_set_info(domain, virq, hwirq, &pmic_arb_irqchip, pmic_arb,
 			    handler, NULL, NULL);
 }
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 7becc5e96f92..b0ccca5d08b5 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3167,6 +3167,7 @@ int open_ctree(struct super_block *sb,
 	/* do not make disk changes in broken FS or nologreplay is given */
 	if (btrfs_super_log_root(disk_super) != 0 &&
 	    !btrfs_test_opt(fs_info, NOLOGREPLAY)) {
+		btrfs_info(fs_info, "start tree-log replay");
 		ret = btrfs_replay_log(fs_info, fs_devices);
 		if (ret) {
 			err = ret;
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index 9d30acca55e1..043eec682ccd 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -233,6 +233,17 @@ static void try_merge_map(struct extent_map_tree *tree, struct extent_map *em)
 	struct extent_map *merge = NULL;
 	struct rb_node *rb;
 
+	/*
+	 * We can't modify an extent map that is in the tree and that is being
+	 * used by another task, as it can cause that other task to see it in
+	 * inconsistent state during the merging. We always have 1 reference for
+	 * the tree and 1 for this task (which is unpinning the extent map or
+	 * clearing the logging flag), so anything > 2 means it's being used by
+	 * other tasks too.
+	 */
+	if (refcount_read(&em->refs) > 2)
+		return;
+
 	if (em->start != 0) {
 		rb = rb_prev(&em->rb_node);
 		if (rb)
diff --git a/fs/btrfs/ref-verify.c b/fs/btrfs/ref-verify.c
index b57f3618e58e..454a1015d026 100644
--- a/fs/btrfs/ref-verify.c
+++ b/fs/btrfs/ref-verify.c
@@ -744,6 +744,7 @@ int btrfs_ref_tree_mod(struct btrfs_fs_info *fs_info,
 		 */
 		be = add_block_entry(fs_info, bytenr, num_bytes, ref_root);
 		if (IS_ERR(be)) {
+			kfree(ref);
 			kfree(ra);
 			ret = PTR_ERR(be);
 			goto out;
@@ -757,6 +758,8 @@ int btrfs_ref_tree_mod(struct btrfs_fs_info *fs_info,
 			"re-allocated a block that still has references to it!");
 			dump_block_entry(fs_info, be);
 			dump_ref_action(fs_info, ra);
+			kfree(ref);
+			kfree(ra);
 			goto out_unlock;
 		}
 
@@ -819,6 +822,7 @@ int btrfs_ref_tree_mod(struct btrfs_fs_info *fs_info,
 "dropping a ref for a existing root that doesn't have a ref on the block");
 				dump_block_entry(fs_info, be);
 				dump_ref_action(fs_info, ra);
+				kfree(ref);
 				kfree(ra);
 				goto out_unlock;
 			}
@@ -834,6 +838,7 @@ int btrfs_ref_tree_mod(struct btrfs_fs_info *fs_info,
 "attempting to add another ref for an existing ref on a tree block");
 			dump_block_entry(fs_info, be);
 			dump_ref_action(fs_info, ra);
+			kfree(ref);
 			kfree(ra);
 			goto out_unlock;
 		}
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index abcd93a3ca1d..aea24202cd35 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1804,6 +1804,8 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data)
 		}
 
 		if (btrfs_super_log_root(fs_info->super_copy) != 0) {
+			btrfs_warn(fs_info,
+		"mount required to replay tree-log, cannot remount read-write");
 			ret = -EINVAL;
 			goto restore;
 		}
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 07d8ace61f77..637624ab6e46 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -414,7 +414,7 @@ cifs_show_security(struct seq_file *s, struct cifs_ses *ses)
 		seq_puts(s, "ntlm");
 		break;
 	case Kerberos:
-		seq_printf(s, "krb5,cruid=%u", from_kuid_munged(&init_user_ns,ses->cred_uid));
+		seq_puts(s, "krb5");
 		break;
 	case RawNTLMSSP:
 		seq_puts(s, "ntlmssp");
@@ -427,6 +427,10 @@ cifs_show_security(struct seq_file *s, struct cifs_ses *ses)
 
 	if (ses->sign)
 		seq_puts(s, "i");
+
+	if (ses->sectype == Kerberos)
+		seq_printf(s, ",cruid=%u",
+			   from_kuid_munged(&init_user_ns, ses->cred_uid));
 }
 
 static void
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 662256fa2a18..b75d208d4b2b 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -1087,7 +1087,8 @@ smb2_set_ea(const unsigned int xid, struct cifs_tcon *tcon,
 	void *data[1];
 	struct smb2_file_full_ea_info *ea = NULL;
 	struct kvec close_iov[1];
-	int rc;
+	struct smb2_query_info_rsp *rsp;
+	int rc, used_len = 0;
 
 	if (smb3_encryption_required(tcon))
 		flags |= CIFS_TRANSFORM_REQ;
@@ -1110,6 +1111,38 @@ smb2_set_ea(const unsigned int xid, struct cifs_tcon *tcon,
 							     cifs_sb);
 			if (rc == -ENODATA)
 				goto sea_exit;
+		} else {
+			/* If we are adding a attribute we should first check
+			 * if there will be enough space available to store
+			 * the new EA. If not we should not add it since we
+			 * would not be able to even read the EAs back.
+			 */
+			rc = smb2_query_info_compound(xid, tcon, utf16_path,
+				      FILE_READ_EA,
+				      FILE_FULL_EA_INFORMATION,
+				      SMB2_O_INFO_FILE,
+				      CIFSMaxBufSize -
+				      MAX_SMB2_CREATE_RESPONSE_SIZE -
+				      MAX_SMB2_CLOSE_RESPONSE_SIZE,
+				      &rsp_iov[1], &resp_buftype[1], cifs_sb);
+			if (rc == 0) {
+				rsp = (struct smb2_query_info_rsp *)rsp_iov[1].iov_base;
+				used_len = le32_to_cpu(rsp->OutputBufferLength);
+			}
+			free_rsp_buf(resp_buftype[1], rsp_iov[1].iov_base);
+			resp_buftype[1] = CIFS_NO_BUFFER;
+			memset(&rsp_iov[1], 0, sizeof(rsp_iov[1]));
+			rc = 0;
+
+			/* Use a fudge factor of 256 bytes in case we collide
+			 * with a different set_EAs command.
+			 */
+			if(CIFSMaxBufSize - MAX_SMB2_CREATE_RESPONSE_SIZE -
+			   MAX_SMB2_CLOSE_RESPONSE_SIZE - 256 <
+			   used_len + ea_name_len + ea_value_len + 1) {
+				rc = -ENOSPC;
+				goto sea_exit;
+			}
 		}
 	}
 
diff --git a/fs/ext4/block_validity.c b/fs/ext4/block_validity.c
index d4d4fdfac1a6..ff8e1205127e 100644
--- a/fs/ext4/block_validity.c
+++ b/fs/ext4/block_validity.c
@@ -203,6 +203,7 @@ static int ext4_protect_reserved_inode(struct super_block *sb,
 		return PTR_ERR(inode);
 	num = (inode->i_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits;
 	while (i < num) {
+		cond_resched();
 		map.m_lblk = i;
 		map.m_len = num - i;
 		n = ext4_map_blocks(NULL, inode, &map, 0);
diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index 5ef8d7ae231b..2743c6f8a457 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -130,12 +130,14 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx)
 		if (err != ERR_BAD_DX_DIR) {
 			return err;
 		}
-		/*
-		 * We don't set the inode dirty flag since it's not
-		 * critical that it get flushed back to the disk.
-		 */
-		ext4_clear_inode_flag(file_inode(file),
-				      EXT4_INODE_INDEX);
+		/* Can we just clear INDEX flag to ignore htree information? */
+		if (!ext4_has_metadata_csum(sb)) {
+			/*
+			 * We don't set the inode dirty flag since it's not
+			 * critical that it gets flushed back to the disk.
+			 */
+			ext4_clear_inode_flag(inode, EXT4_INODE_INDEX);
+		}
 	}
 
 	if (ext4_has_inline_data(inode)) {
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 03db3e71676c..e2f65b565c1f 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2476,8 +2476,11 @@ void ext4_insert_dentry(struct inode *inode,
 			struct ext4_filename *fname);
 static inline void ext4_update_dx_flag(struct inode *inode)
 {
-	if (!ext4_has_feature_dir_index(inode->i_sb))
+	if (!ext4_has_feature_dir_index(inode->i_sb)) {
+		/* ext4_iget() should have caught this... */
+		WARN_ON_ONCE(ext4_has_feature_metadata_csum(inode->i_sb));
 		ext4_clear_inode_flag(inode, EXT4_INODE_INDEX);
+	}
 }
 static const unsigned char ext4_filetype_table[] = {
 	DT_UNKNOWN, DT_REG, DT_DIR, DT_CHR, DT_BLK, DT_FIFO, DT_SOCK, DT_LNK
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 8bba6cd5e870..76a38ef5f226 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4972,6 +4972,18 @@ struct inode *__ext4_iget(struct super_block *sb, unsigned long ino,
 		ret = -EFSCORRUPTED;
 		goto bad_inode;
 	}
+	/*
+	 * If dir_index is not enabled but there's dir with INDEX flag set,
+	 * we'd normally treat htree data as empty space. But with metadata
+	 * checksumming that corrupts checksums so forbid that.
+	 */
+	if (!ext4_has_feature_dir_index(sb) && ext4_has_metadata_csum(sb) &&
+	    ext4_test_inode_flag(inode, EXT4_INODE_INDEX)) {
+		ext4_error_inode(inode, function, line, 0,
+			 "iget: Dir with htree data on filesystem without dir_index feature.");
+		ret = -EFSCORRUPTED;
+		goto bad_inode;
+	}
 	ei->i_disksize = inode->i_size;
 #ifdef CONFIG_QUOTA
 	ei->i_reserved_quota = 0;
diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c
index 2305b4374fd3..9d00e0dd2ba9 100644
--- a/fs/ext4/mmp.c
+++ b/fs/ext4/mmp.c
@@ -120,10 +120,10 @@ void __dump_mmp_msg(struct super_block *sb, struct mmp_struct *mmp,
 {
 	__ext4_warning(sb, function, line, "%s", msg);
 	__ext4_warning(sb, function, line,
-		       "MMP failure info: last update time: %llu, last update "
-		       "node: %s, last update device: %s",
-		       (long long unsigned int) le64_to_cpu(mmp->mmp_time),
-		       mmp->mmp_nodename, mmp->mmp_bdevname);
+		       "MMP failure info: last update time: %llu, last update node: %.*s, last update device: %.*s",
+		       (unsigned long long)le64_to_cpu(mmp->mmp_time),
+		       (int)sizeof(mmp->mmp_nodename), mmp->mmp_nodename,
+		       (int)sizeof(mmp->mmp_bdevname), mmp->mmp_bdevname);
 }
 
 /*
@@ -154,6 +154,7 @@ static int kmmpd(void *data)
 	mmp_check_interval = max(EXT4_MMP_CHECK_MULT * mmp_update_interval,
 				 EXT4_MMP_MIN_CHECK_INTERVAL);
 	mmp->mmp_check_interval = cpu_to_le16(mmp_check_interval);
+	BUILD_BUG_ON(sizeof(mmp->mmp_bdevname) < BDEVNAME_SIZE);
 	bdevname(bh->b_bdev, mmp->mmp_bdevname);
 
 	memcpy(mmp->mmp_nodename, init_utsname()->nodename,
@@ -375,7 +376,8 @@ int ext4_multi_mount_protect(struct super_block *sb,
 	/*
 	 * Start a kernel thread to update the MMP block periodically.
 	 */
-	EXT4_SB(sb)->s_mmp_tsk = kthread_run(kmmpd, mmpd_data, "kmmpd-%s",
+	EXT4_SB(sb)->s_mmp_tsk = kthread_run(kmmpd, mmpd_data, "kmmpd-%.*s",
+					     (int)sizeof(mmp->mmp_bdevname),
 					     bdevname(bh->b_bdev,
 						      mmp->mmp_bdevname));
 	if (IS_ERR(EXT4_SB(sb)->s_mmp_tsk)) {
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index f56402e9c11c..94d84910dc1e 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -2205,6 +2205,13 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
 		retval = ext4_dx_add_entry(handle, &fname, dir, inode);
 		if (!retval || (retval != ERR_BAD_DX_DIR))
 			goto out;
+		/* Can we just ignore htree data? */
+		if (ext4_has_metadata_csum(sb)) {
+			EXT4_ERROR_INODE(dir,
+				"Directory has corrupted htree index.");
+			retval = -EFSCORRUPTED;
+			goto out;
+		}
 		ext4_clear_inode_flag(dir, EXT4_INODE_INDEX);
 		dx_fallback++;
 		ext4_mark_inode_dirty(handle, dir);
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 66162b430edc..914230e63054 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2961,17 +2961,11 @@ static int ext4_feature_set_ok(struct super_block *sb, int readonly)
 		return 0;
 	}
 
-#ifndef CONFIG_QUOTA
-	if (ext4_has_feature_quota(sb) && !readonly) {
+#if !defined(CONFIG_QUOTA) || !defined(CONFIG_QFMT_V2)
+	if (!readonly && (ext4_has_feature_quota(sb) ||
+			  ext4_has_feature_project(sb))) {
 		ext4_msg(sb, KERN_ERR,
-			 "Filesystem with quota feature cannot be mounted RDWR "
-			 "without CONFIG_QUOTA");
-		return 0;
-	}
-	if (ext4_has_feature_project(sb) && !readonly) {
-		ext4_msg(sb, KERN_ERR,
-			 "Filesystem with project quota feature cannot be mounted RDWR "
-			 "without CONFIG_QUOTA");
+			 "The kernel was not built with CONFIG_QUOTA and CONFIG_QFMT_V2");
 		return 0;
 	}
 #endif  /* CONFIG_QUOTA */
@@ -3765,6 +3759,15 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 	 */
 	sbi->s_li_wait_mult = EXT4_DEF_LI_WAIT_MULT;
 
+	blocksize = BLOCK_SIZE << le32_to_cpu(es->s_log_block_size);
+	if (blocksize < EXT4_MIN_BLOCK_SIZE ||
+	    blocksize > EXT4_MAX_BLOCK_SIZE) {
+		ext4_msg(sb, KERN_ERR,
+		       "Unsupported filesystem blocksize %d (%d log_block_size)",
+			 blocksize, le32_to_cpu(es->s_log_block_size));
+		goto failed_mount;
+	}
+
 	if (le32_to_cpu(es->s_rev_level) == EXT4_GOOD_OLD_REV) {
 		sbi->s_inode_size = EXT4_GOOD_OLD_INODE_SIZE;
 		sbi->s_first_ino = EXT4_GOOD_OLD_FIRST_INO;
@@ -3782,6 +3785,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 			ext4_msg(sb, KERN_ERR,
 			       "unsupported inode size: %d",
 			       sbi->s_inode_size);
+			ext4_msg(sb, KERN_ERR, "blocksize: %d", blocksize);
 			goto failed_mount;
 		}
 		/*
@@ -3985,14 +3989,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 	if (!ext4_feature_set_ok(sb, (sb_rdonly(sb))))
 		goto failed_mount;
 
-	blocksize = BLOCK_SIZE << le32_to_cpu(es->s_log_block_size);
-	if (blocksize < EXT4_MIN_BLOCK_SIZE ||
-	    blocksize > EXT4_MAX_BLOCK_SIZE) {
-		ext4_msg(sb, KERN_ERR,
-		       "Unsupported filesystem blocksize %d (%d log_block_size)",
-			 blocksize, le32_to_cpu(es->s_log_block_size));
-		goto failed_mount;
-	}
 	if (le32_to_cpu(es->s_log_block_size) >
 	    (EXT4_MAX_BLOCK_LOG_SIZE - EXT4_MIN_BLOCK_LOG_SIZE)) {
 		ext4_msg(sb, KERN_ERR,
@@ -5544,9 +5540,15 @@ static int ext4_statfs_project(struct super_block *sb,
 		return PTR_ERR(dquot);
 	spin_lock(&dquot->dq_dqb_lock);
 
-	limit = (dquot->dq_dqb.dqb_bsoftlimit ?
-		 dquot->dq_dqb.dqb_bsoftlimit :
-		 dquot->dq_dqb.dqb_bhardlimit) >> sb->s_blocksize_bits;
+	limit = 0;
+	if (dquot->dq_dqb.dqb_bsoftlimit &&
+	    (!limit || dquot->dq_dqb.dqb_bsoftlimit < limit))
+		limit = dquot->dq_dqb.dqb_bsoftlimit;
+	if (dquot->dq_dqb.dqb_bhardlimit &&
+	    (!limit || dquot->dq_dqb.dqb_bhardlimit < limit))
+		limit = dquot->dq_dqb.dqb_bhardlimit;
+	limit >>= sb->s_blocksize_bits;
+
 	if (limit && buf->f_blocks > limit) {
 		curblock = (dquot->dq_dqb.dqb_curspace +
 			    dquot->dq_dqb.dqb_rsvspace) >> sb->s_blocksize_bits;
@@ -5556,9 +5558,14 @@ static int ext4_statfs_project(struct super_block *sb,
 			 (buf->f_blocks - curblock) : 0;
 	}
 
-	limit = dquot->dq_dqb.dqb_isoftlimit ?
-		dquot->dq_dqb.dqb_isoftlimit :
-		dquot->dq_dqb.dqb_ihardlimit;
+	limit = 0;
+	if (dquot->dq_dqb.dqb_isoftlimit &&
+	    (!limit || dquot->dq_dqb.dqb_isoftlimit < limit))
+		limit = dquot->dq_dqb.dqb_isoftlimit;
+	if (dquot->dq_dqb.dqb_ihardlimit &&
+	    (!limit || dquot->dq_dqb.dqb_ihardlimit < limit))
+		limit = dquot->dq_dqb.dqb_ihardlimit;
+
 	if (limit && buf->f_files > limit) {
 		buf->f_files = limit;
 		buf->f_ffree =
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index c43591cd70f1..2a42904bcd62 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -974,29 +974,33 @@ void jbd2_journal_commit_transaction(journal_t *journal)
 		 * it. */
 
 		/*
-		* A buffer which has been freed while still being journaled by
-		* a previous transaction.
-		*/
-		if (buffer_freed(bh)) {
+		 * A buffer which has been freed while still being journaled
+		 * by a previous transaction, refile the buffer to BJ_Forget of
+		 * the running transaction. If the just committed transaction
+		 * contains "add to orphan" operation, we can completely
+		 * invalidate the buffer now. We are rather through in that
+		 * since the buffer may be still accessible when blocksize <
+		 * pagesize and it is attached to the last partial page.
+		 */
+		if (buffer_freed(bh) && !jh->b_next_transaction) {
+			struct address_space *mapping;
+
+			clear_buffer_freed(bh);
+			clear_buffer_jbddirty(bh);
+
 			/*
-			 * If the running transaction is the one containing
-			 * "add to orphan" operation (b_next_transaction !=
-			 * NULL), we have to wait for that transaction to
-			 * commit before we can really get rid of the buffer.
-			 * So just clear b_modified to not confuse transaction
-			 * credit accounting and refile the buffer to
-			 * BJ_Forget of the running transaction. If the just
-			 * committed transaction contains "add to orphan"
-			 * operation, we can completely invalidate the buffer
-			 * now. We are rather through in that since the
-			 * buffer may be still accessible when blocksize <
-			 * pagesize and it is attached to the last partial
-			 * page.
+			 * Block device buffers need to stay mapped all the
+			 * time, so it is enough to clear buffer_jbddirty and
+			 * buffer_freed bits. For the file mapping buffers (i.e.
+			 * journalled data) we need to unmap buffer and clear
+			 * more bits. We also need to be careful about the check
+			 * because the data page mapping can get cleared under
+			 * out hands, which alse need not to clear more bits
+			 * because the page and buffers will be freed and can
+			 * never be reused once we are done with them.
 			 */
-			jh->b_modified = 0;
-			if (!jh->b_next_transaction) {
-				clear_buffer_freed(bh);
-				clear_buffer_jbddirty(bh);
+			mapping = READ_ONCE(bh->b_page->mapping);
+			if (mapping && !sb_is_blkdev_sb(mapping->host->i_sb)) {
 				clear_buffer_mapped(bh);
 				clear_buffer_new(bh);
 				clear_buffer_req(bh);
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index bee8498d7792..3930c68a9c20 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -2296,14 +2296,16 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh,
 			return -EBUSY;
 		}
 		/*
-		 * OK, buffer won't be reachable after truncate. We just set
-		 * j_next_transaction to the running transaction (if there is
-		 * one) and mark buffer as freed so that commit code knows it
-		 * should clear dirty bits when it is done with the buffer.
+		 * OK, buffer won't be reachable after truncate. We just clear
+		 * b_modified to not confuse transaction credit accounting, and
+		 * set j_next_transaction to the running transaction (if there
+		 * is one) and mark buffer as freed so that commit code knows
+		 * it should clear dirty bits when it is done with the buffer.
 		 */
 		set_buffer_freed(bh);
 		if (journal->j_running_transaction && buffer_jbddirty(bh))
 			jh->b_next_transaction = journal->j_running_transaction;
+		jh->b_modified = 0;
 		jbd2_journal_put_journal_head(jh);
 		spin_unlock(&journal->j_list_lock);
 		jbd_unlock_bh_state(bh);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 423960d480f1..f808fb34b110 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -5293,7 +5293,7 @@ static void nfs4_proc_write_setup(struct nfs_pgio_header *hdr,
 	hdr->timestamp   = jiffies;
 
 	msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_WRITE];
-	nfs4_init_sequence(&hdr->args.seq_args, &hdr->res.seq_res, 1, 0);
+	nfs4_init_sequence(&hdr->args.seq_args, &hdr->res.seq_res, 0, 0);
 	nfs4_state_protect_write(server->nfs_client, clnt, msg, hdr);
 }
 
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index e5e041413581..d1fdf26ccb33 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -748,6 +748,7 @@ ACPI_HW_DEPENDENT_RETURN_UINT32(u32 acpi_dispatch_gpe(acpi_handle gpe_device, u3
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void))
+ACPI_HW_DEPENDENT_RETURN_UINT32(u32 acpi_any_gpe_status_set(void))
 
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_get_gpe_device(u32 gpe_index,
diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h
index b70af921c614..803bb63dd5ff 100644
--- a/include/linux/gpio/consumer.h
+++ b/include/linux/gpio/consumer.h
@@ -158,6 +158,7 @@ int gpiod_set_raw_array_value_cansleep(unsigned int array_size,
 
 int gpiod_set_debounce(struct gpio_desc *desc, unsigned debounce);
 int gpiod_set_transitory(struct gpio_desc *desc, bool transitory);
+void gpiod_toggle_active_low(struct gpio_desc *desc);
 
 int gpiod_is_active_low(const struct gpio_desc *desc);
 int gpiod_cansleep(const struct gpio_desc *desc);
@@ -479,6 +480,12 @@ static inline int gpiod_set_transitory(struct gpio_desc *desc, bool transitory)
 	return -ENOSYS;
 }
 
+static inline void gpiod_toggle_active_low(struct gpio_desc *desc)
+{
+	/* GPIO can never have been requested */
+	WARN_ON(desc);
+}
+
 static inline int gpiod_is_active_low(const struct gpio_desc *desc)
 {
 	/* GPIO can never have been requested */
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 6fc8843f1c9e..cd97d2c8840c 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -191,7 +191,7 @@ struct platform_s2idle_ops {
 	int (*begin)(void);
 	int (*prepare)(void);
 	int (*prepare_late)(void);
-	void (*wake)(void);
+	bool (*wake)(void);
 	void (*restore_early)(void);
 	void (*restore)(void);
 	void (*end)(void);
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index f3b7239f1892..27f149f5d4a9 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -131,11 +131,12 @@ static void s2idle_loop(void)
 	 * to avoid them upfront.
 	 */
 	for (;;) {
-		if (s2idle_ops && s2idle_ops->wake)
-			s2idle_ops->wake();
-
-		if (pm_wakeup_pending())
+		if (s2idle_ops && s2idle_ops->wake) {
+			if (s2idle_ops->wake())
+				break;
+		} else if (pm_wakeup_pending()) {
 			break;
+		}
 
 		pm_wakeup_clear(false);
 
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 00743684a549..dfaefb175ba0 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -7250,7 +7250,7 @@ capacity_from_percent(char *buf)
 					     &req.percent);
 		if (req.ret)
 			return req;
-		if (req.percent > UCLAMP_PERCENT_SCALE) {
+		if ((u64)req.percent > UCLAMP_PERCENT_SCALE) {
 			req.ret = -ERANGE;
 			return req;
 		}
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 54dd8849d1cc..1e3b9d34aaa4 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -8,7 +8,7 @@
  * Copyright 2007, Michael Wu <flamingice@sourmilk.net>
  * Copyright 2013-2014  Intel Mobile Communications GmbH
  * Copyright (C) 2015 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018 - 2019 Intel Corporation
+ * Copyright (C) 2018 - 2020 Intel Corporation
  */
 
 #include <linux/delay.h>
@@ -1311,7 +1311,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
 	if (!res) {
 		ch_switch.timestamp = timestamp;
 		ch_switch.device_timestamp = device_timestamp;
-		ch_switch.block_tx =  beacon ? csa_ie.mode : 0;
+		ch_switch.block_tx = csa_ie.mode;
 		ch_switch.chandef = csa_ie.chandef;
 		ch_switch.count = csa_ie.count;
 		ch_switch.delay = csa_ie.max_switch_time;
@@ -1404,7 +1404,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
 
 	sdata->vif.csa_active = true;
 	sdata->csa_chandef = csa_ie.chandef;
-	sdata->csa_block_tx = ch_switch.block_tx;
+	sdata->csa_block_tx = csa_ie.mode;
 	ifmgd->csa_ignored_same_chan = false;
 
 	if (sdata->csa_block_tx)
@@ -1438,7 +1438,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
 	 * reset when the disconnection worker runs.
 	 */
 	sdata->vif.csa_active = true;
-	sdata->csa_block_tx = ch_switch.block_tx;
+	sdata->csa_block_tx = csa_ie.mode;
 
 	ieee80211_queue_work(&local->hw, &ifmgd->csa_connection_drop_work);
 	mutex_unlock(&local->chanctx_mtx);
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index 9901a811f598..0ad45a8fe3fb 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -326,8 +326,8 @@ struct rpcrdma_mr_seg *frwr_map(struct rpcrdma_xprt *r_xprt,
 {
 	struct rpcrdma_ia *ia = &r_xprt->rx_ia;
 	struct ib_reg_wr *reg_wr;
+	int i, n, dma_nents;
 	struct ib_mr *ibmr;
-	int i, n;
 	u8 key;
 
 	if (nsegs > ia->ri_max_frwr_depth)
@@ -351,15 +351,16 @@ struct rpcrdma_mr_seg *frwr_map(struct rpcrdma_xprt *r_xprt,
 			break;
 	}
 	mr->mr_dir = rpcrdma_data_dir(writing);
+	mr->mr_nents = i;
 
-	mr->mr_nents =
-		ib_dma_map_sg(ia->ri_id->device, mr->mr_sg, i, mr->mr_dir);
-	if (!mr->mr_nents)
+	dma_nents = ib_dma_map_sg(ia->ri_id->device, mr->mr_sg, mr->mr_nents,
+				  mr->mr_dir);
+	if (!dma_nents)
 		goto out_dmamap_err;
 
 	ibmr = mr->frwr.fr_mr;
-	n = ib_map_mr_sg(ibmr, mr->mr_sg, mr->mr_nents, NULL, PAGE_SIZE);
-	if (unlikely(n != mr->mr_nents))
+	n = ib_map_mr_sg(ibmr, mr->mr_sg, dma_nents, NULL, PAGE_SIZE);
+	if (n != dma_nents)
 		goto out_mapmr_err;
 
 	ibmr->iova &= 0x00000000ffffffff;
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 68832f52c1ad..a66d4be3516e 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2447,6 +2447,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x1071, 0x8258, "Evesham Voyaeger", ALC882_FIXUP_EAPD),
 	SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte EP45-DS3/Z87X-UD3H", ALC889_FIXUP_FRONT_HP_NO_PRESENCE),
 	SND_PCI_QUIRK(0x1458, 0xa0b8, "Gigabyte AZ370-Gaming", ALC1220_FIXUP_GB_DUAL_CODECS),
+	SND_PCI_QUIRK(0x1462, 0x1276, "MSI-GL73", ALC1220_FIXUP_CLEVO_P950),
 	SND_PCI_QUIRK(0x1462, 0x7350, "MSI-7350", ALC889_FIXUP_CD),
 	SND_PCI_QUIRK(0x1462, 0xda57, "MSI Z270-Gaming", ALC1220_FIXUP_GB_DUAL_CODECS),
 	SND_PCI_QUIRK_VENDOR(0x1462, "MSI", ALC882_FIXUP_GPIO3),
@@ -5701,8 +5702,11 @@ static void alc_fixup_headset_jack(struct hda_codec *codec,
 		break;
 	case HDA_FIXUP_ACT_INIT:
 		switch (codec->core.vendor_id) {
+		case 0x10ec0215:
 		case 0x10ec0225:
+		case 0x10ec0285:
 		case 0x10ec0295:
+		case 0x10ec0289:
 		case 0x10ec0299:
 			alc_write_coef_idx(codec, 0x48, 0xd011);
 			alc_update_coef_idx(codec, 0x49, 0x007f, 0x0045);
diff --git a/sound/usb/clock.c b/sound/usb/clock.c
index 6b8c14f9b5d4..a48313dfa967 100644
--- a/sound/usb/clock.c
+++ b/sound/usb/clock.c
@@ -151,8 +151,34 @@ static int uac_clock_selector_set_val(struct snd_usb_audio *chip, int selector_i
 	return ret;
 }
 
+/*
+ * Assume the clock is valid if clock source supports only one single sample
+ * rate, the terminal is connected directly to it (there is no clock selector)
+ * and clock type is internal. This is to deal with some Denon DJ controllers
+ * that always reports that clock is invalid.
+ */
+static bool uac_clock_source_is_valid_quirk(struct snd_usb_audio *chip,
+					    struct audioformat *fmt,
+					    int source_id)
+{
+	if (fmt->protocol == UAC_VERSION_2) {
+		struct uac_clock_source_descriptor *cs_desc =
+			snd_usb_find_clock_source(chip->ctrl_intf, source_id);
+
+		if (!cs_desc)
+			return false;
+
+		return (fmt->nr_rates == 1 &&
+			(fmt->clock & 0xff) == cs_desc->bClockID &&
+			(cs_desc->bmAttributes & 0x3) !=
+				UAC_CLOCK_SOURCE_TYPE_EXT);
+	}
+
+	return false;
+}
+
 static bool uac_clock_source_is_valid(struct snd_usb_audio *chip,
-				      int protocol,
+				      struct audioformat *fmt,
 				      int source_id)
 {
 	int err;
@@ -160,26 +186,26 @@ static bool uac_clock_source_is_valid(struct snd_usb_audio *chip,
 	struct usb_device *dev = chip->dev;
 	u32 bmControls;
 
-	if (protocol == UAC_VERSION_3) {
+	if (fmt->protocol == UAC_VERSION_3) {
 		struct uac3_clock_source_descriptor *cs_desc =
 			snd_usb_find_clock_source_v3(chip->ctrl_intf, source_id);
 
 		if (!cs_desc)
-			return 0;
+			return false;
 		bmControls = le32_to_cpu(cs_desc->bmControls);
 	} else { /* UAC_VERSION_1/2 */
 		struct uac_clock_source_descriptor *cs_desc =
 			snd_usb_find_clock_source(chip->ctrl_intf, source_id);
 
 		if (!cs_desc)
-			return 0;
+			return false;
 		bmControls = cs_desc->bmControls;
 	}
 
 	/* If a clock source can't tell us whether it's valid, we assume it is */
 	if (!uac_v2v3_control_is_readable(bmControls,
 				      UAC2_CS_CONTROL_CLOCK_VALID))
-		return 1;
+		return true;
 
 	err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC2_CS_CUR,
 			      USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
@@ -191,13 +217,17 @@ static bool uac_clock_source_is_valid(struct snd_usb_audio *chip,
 		dev_warn(&dev->dev,
 			 "%s(): cannot get clock validity for id %d\n",
 			   __func__, source_id);
-		return 0;
+		return false;
 	}
 
-	return !!data;
+	if (data)
+		return true;
+	else
+		return uac_clock_source_is_valid_quirk(chip, fmt, source_id);
 }
 
-static int __uac_clock_find_source(struct snd_usb_audio *chip, int entity_id,
+static int __uac_clock_find_source(struct snd_usb_audio *chip,
+				   struct audioformat *fmt, int entity_id,
 				   unsigned long *visited, bool validate)
 {
 	struct uac_clock_source_descriptor *source;
@@ -217,7 +247,7 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip, int entity_id,
 	source = snd_usb_find_clock_source(chip->ctrl_intf, entity_id);
 	if (source) {
 		entity_id = source->bClockID;
-		if (validate && !uac_clock_source_is_valid(chip, UAC_VERSION_2,
+		if (validate && !uac_clock_source_is_valid(chip, fmt,
 								entity_id)) {
 			usb_audio_err(chip,
 				"clock source %d is not valid, cannot use\n",
@@ -248,8 +278,9 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip, int entity_id,
 		}
 
 		cur = ret;
-		ret = __uac_clock_find_source(chip, selector->baCSourceID[ret - 1],
-					       visited, validate);
+		ret = __uac_clock_find_source(chip, fmt,
+					      selector->baCSourceID[ret - 1],
+					      visited, validate);
 		if (!validate || ret > 0 || !chip->autoclock)
 			return ret;
 
@@ -260,8 +291,9 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip, int entity_id,
 			if (i == cur)
 				continue;
 
-			ret = __uac_clock_find_source(chip, selector->baCSourceID[i - 1],
-				visited, true);
+			ret = __uac_clock_find_source(chip, fmt,
+						      selector->baCSourceID[i - 1],
+						      visited, true);
 			if (ret < 0)
 				continue;
 
@@ -281,14 +313,16 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip, int entity_id,
 	/* FIXME: multipliers only act as pass-thru element for now */
 	multiplier = snd_usb_find_clock_multiplier(chip->ctrl_intf, entity_id);
 	if (multiplier)
-		return __uac_clock_find_source(chip, multiplier->bCSourceID,
-						visited, validate);
+		return __uac_clock_find_source(chip, fmt,
+					       multiplier->bCSourceID,
+					       visited, validate);
 
 	return -EINVAL;
 }
 
-static int __uac3_clock_find_source(struct snd_usb_audio *chip, int entity_id,
-				   unsigned long *visited, bool validate)
+static int __uac3_clock_find_source(struct snd_usb_audio *chip,
+				    struct audioformat *fmt, int entity_id,
+				    unsigned long *visited, bool validate)
 {
 	struct uac3_clock_source_descriptor *source;
 	struct uac3_clock_selector_descriptor *selector;
@@ -307,7 +341,7 @@ static int __uac3_clock_find_source(struct snd_usb_audio *chip, int entity_id,
 	source = snd_usb_find_clock_source_v3(chip->ctrl_intf, entity_id);
 	if (source) {
 		entity_id = source->bClockID;
-		if (validate && !uac_clock_source_is_valid(chip, UAC_VERSION_3,
+		if (validate && !uac_clock_source_is_valid(chip, fmt,
 								entity_id)) {
 			usb_audio_err(chip,
 				"clock source %d is not valid, cannot use\n",
@@ -338,7 +372,8 @@ static int __uac3_clock_find_source(struct snd_usb_audio *chip, int entity_id,
 		}
 
 		cur = ret;
-		ret = __uac3_clock_find_source(chip, selector->baCSourceID[ret - 1],
+		ret = __uac3_clock_find_source(chip, fmt,
+					       selector->baCSourceID[ret - 1],
 					       visited, validate);
 		if (!validate || ret > 0 || !chip->autoclock)
 			return ret;
@@ -350,8 +385,9 @@ static int __uac3_clock_find_source(struct snd_usb_audio *chip, int entity_id,
 			if (i == cur)
 				continue;
 
-			ret = __uac3_clock_find_source(chip, selector->baCSourceID[i - 1],
-				visited, true);
+			ret = __uac3_clock_find_source(chip, fmt,
+						       selector->baCSourceID[i - 1],
+						       visited, true);
 			if (ret < 0)
 				continue;
 
@@ -372,7 +408,8 @@ static int __uac3_clock_find_source(struct snd_usb_audio *chip, int entity_id,
 	multiplier = snd_usb_find_clock_multiplier_v3(chip->ctrl_intf,
 						      entity_id);
 	if (multiplier)
-		return __uac3_clock_find_source(chip, multiplier->bCSourceID,
+		return __uac3_clock_find_source(chip, fmt,
+						multiplier->bCSourceID,
 						visited, validate);
 
 	return -EINVAL;
@@ -389,18 +426,18 @@ static int __uac3_clock_find_source(struct snd_usb_audio *chip, int entity_id,
  *
  * Returns the clock source UnitID (>=0) on success, or an error.
  */
-int snd_usb_clock_find_source(struct snd_usb_audio *chip, int protocol,
-			      int entity_id, bool validate)
+int snd_usb_clock_find_source(struct snd_usb_audio *chip,
+			      struct audioformat *fmt, bool validate)
 {
 	DECLARE_BITMAP(visited, 256);
 	memset(visited, 0, sizeof(visited));
 
-	switch (protocol) {
+	switch (fmt->protocol) {
 	case UAC_VERSION_2:
-		return __uac_clock_find_source(chip, entity_id, visited,
+		return __uac_clock_find_source(chip, fmt, fmt->clock, visited,
 					       validate);
 	case UAC_VERSION_3:
-		return __uac3_clock_find_source(chip, entity_id, visited,
+		return __uac3_clock_find_source(chip, fmt, fmt->clock, visited,
 					       validate);
 	default:
 		return -EINVAL;
@@ -501,8 +538,7 @@ static int set_sample_rate_v2v3(struct snd_usb_audio *chip, int iface,
 	 * automatic clock selection if the current clock is not
 	 * valid.
 	 */
-	clock = snd_usb_clock_find_source(chip, fmt->protocol,
-					  fmt->clock, true);
+	clock = snd_usb_clock_find_source(chip, fmt, true);
 	if (clock < 0) {
 		/* We did not find a valid clock, but that might be
 		 * because the current sample rate does not match an
@@ -510,8 +546,7 @@ static int set_sample_rate_v2v3(struct snd_usb_audio *chip, int iface,
 		 * and we will do another validation after setting the
 		 * rate.
 		 */
-		clock = snd_usb_clock_find_source(chip, fmt->protocol,
-						  fmt->clock, false);
+		clock = snd_usb_clock_find_source(chip, fmt, false);
 		if (clock < 0)
 			return clock;
 	}
@@ -577,7 +612,7 @@ static int set_sample_rate_v2v3(struct snd_usb_audio *chip, int iface,
 
 validation:
 	/* validate clock after rate change */
-	if (!uac_clock_source_is_valid(chip, fmt->protocol, clock))
+	if (!uac_clock_source_is_valid(chip, fmt, clock))
 		return -ENXIO;
 	return 0;
 }
diff --git a/sound/usb/clock.h b/sound/usb/clock.h
index 076e31b79ee0..68df0fbe09d0 100644
--- a/sound/usb/clock.h
+++ b/sound/usb/clock.h
@@ -6,7 +6,7 @@ int snd_usb_init_sample_rate(struct snd_usb_audio *chip, int iface,
 			     struct usb_host_interface *alts,
 			     struct audioformat *fmt, int rate);
 
-int snd_usb_clock_find_source(struct snd_usb_audio *chip, int protocol,
-			     int entity_id, bool validate);
+int snd_usb_clock_find_source(struct snd_usb_audio *chip,
+			      struct audioformat *fmt, bool validate);
 
 #endif /* __USBAUDIO_CLOCK_H */
diff --git a/sound/usb/format.c b/sound/usb/format.c
index d79db71305f6..25668ba5e68e 100644
--- a/sound/usb/format.c
+++ b/sound/usb/format.c
@@ -322,8 +322,7 @@ static int parse_audio_format_rates_v2v3(struct snd_usb_audio *chip,
 	struct usb_device *dev = chip->dev;
 	unsigned char tmp[2], *data;
 	int nr_triplets, data_size, ret = 0, ret_l6;
-	int clock = snd_usb_clock_find_source(chip, fp->protocol,
-					      fp->clock, false);
+	int clock = snd_usb_clock_find_source(chip, fp, false);
 
 	if (clock < 0) {
 		dev_err(&dev->dev,
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 6cd4ff09c5ee..d2a050bb8341 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -897,6 +897,15 @@ static int parse_term_proc_unit(struct mixer_build *state,
 	return 0;
 }
 
+static int parse_term_effect_unit(struct mixer_build *state,
+				  struct usb_audio_term *term,
+				  void *p1, int id)
+{
+	term->type = UAC3_EFFECT_UNIT << 16; /* virtual type */
+	term->id = id;
+	return 0;
+}
+
 static int parse_term_uac2_clock_source(struct mixer_build *state,
 					struct usb_audio_term *term,
 					void *p1, int id)
@@ -981,8 +990,7 @@ static int __check_input_term(struct mixer_build *state, int id,
 						    UAC3_PROCESSING_UNIT);
 		case PTYPE(UAC_VERSION_2, UAC2_EFFECT_UNIT):
 		case PTYPE(UAC_VERSION_3, UAC3_EFFECT_UNIT):
-			return parse_term_proc_unit(state, term, p1, id,
-						    UAC3_EFFECT_UNIT);
+			return parse_term_effect_unit(state, term, p1, id);
 		case PTYPE(UAC_VERSION_1, UAC1_EXTENSION_UNIT):
 		case PTYPE(UAC_VERSION_2, UAC2_EXTENSION_UNIT_V2):
 		case PTYPE(UAC_VERSION_3, UAC3_EXTENSION_UNIT):
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 82184036437b..1ed25b1d2a6a 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1402,6 +1402,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
 	case USB_ID(0x1395, 0x740a): /* Sennheiser DECT */
 	case USB_ID(0x1901, 0x0191): /* GE B850V3 CP2114 audio interface */
 	case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */
+	case USB_ID(0x2912, 0x30c8): /* Audioengine D1 */
 		return true;
 	}
 
diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c
index 2c41d47f6f83..90d23cc3c8d4 100644
--- a/tools/perf/util/stat-shadow.c
+++ b/tools/perf/util/stat-shadow.c
@@ -18,7 +18,6 @@
  * AGGR_NONE: Use matching CPU
  * AGGR_THREAD: Not supported?
  */
-static bool have_frontend_stalled;
 
 struct runtime_stat rt_stat;
 struct stats walltime_nsecs_stats;
@@ -144,7 +143,6 @@ void runtime_stat__exit(struct runtime_stat *st)
 
 void perf_stat__init_shadow_stats(void)
 {
-	have_frontend_stalled = pmu_have_event("cpu", "stalled-cycles-frontend");
 	runtime_stat__init(&rt_stat);
 }
 
@@ -853,10 +851,6 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config,
 			print_metric(config, ctxp, NULL, "%7.2f ",
 					"stalled cycles per insn",
 					ratio);
-		} else if (have_frontend_stalled) {
-			out->new_line(config, ctxp);
-			print_metric(config, ctxp, NULL, "%7.2f ",
-				     "stalled cycles per insn", 0);
 		}
 	} else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES)) {
 		if (runtime_stat_n(st, STAT_BRANCHES, ctx, cpu) != 0)
