diff --git a/MAINTAINERS b/MAINTAINERS
index 546aa66..6eff4f7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4588,7 +4588,7 @@
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git
 F:	Documentation/admin-guide/pm/cpuidle.rst
 F:	Documentation/driver-api/pm/cpuidle.rst
-F:	drivers/cpuidle/*
+F:	drivers/cpuidle/
 F:	include/linux/cpuidle.h
 
 CPU POWER MONITORING SUBSYSTEM
diff --git a/arch/alpha/include/asm/local64.h b/arch/alpha/include/asm/local64.h
deleted file mode 100644
index 36c93b5..0000000
--- a/arch/alpha/include/asm/local64.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/local64.h>
diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild
index 81f4ede..3c1afa5 100644
--- a/arch/arc/include/asm/Kbuild
+++ b/arch/arc/include/asm/Kbuild
@@ -1,7 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 generic-y += extable.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += parport.h
 generic-y += user.h
diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild
index 4a0848a..03657ff 100644
--- a/arch/arm/include/asm/Kbuild
+++ b/arch/arm/include/asm/Kbuild
@@ -2,7 +2,6 @@
 generic-y += early_ioremap.h
 generic-y += extable.h
 generic-y += flat.h
-generic-y += local64.h
 generic-y += parport.h
 
 generated-y += mach-types.h
diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild
index ff9cbb6..07ac208 100644
--- a/arch/arm64/include/asm/Kbuild
+++ b/arch/arm64/include/asm/Kbuild
@@ -1,6 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
 generic-y += early_ioremap.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += qrwlock.h
 generic-y += qspinlock.h
diff --git a/arch/csky/include/asm/Kbuild b/arch/csky/include/asm/Kbuild
index 9337225..cc24bb8 100644
--- a/arch/csky/include/asm/Kbuild
+++ b/arch/csky/include/asm/Kbuild
@@ -2,7 +2,6 @@
 generic-y += asm-offsets.h
 generic-y += gpio.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += qrwlock.h
 generic-y += user.h
 generic-y += vmlinux.lds.h
diff --git a/arch/h8300/include/asm/Kbuild b/arch/h8300/include/asm/Kbuild
index ddf04f3..60ee7f0 100644
--- a/arch/h8300/include/asm/Kbuild
+++ b/arch/h8300/include/asm/Kbuild
@@ -2,7 +2,6 @@
 generic-y += asm-offsets.h
 generic-y += extable.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += parport.h
 generic-y += spinlock.h
diff --git a/arch/hexagon/include/asm/Kbuild b/arch/hexagon/include/asm/Kbuild
index 373964b..3ece3c9 100644
--- a/arch/hexagon/include/asm/Kbuild
+++ b/arch/hexagon/include/asm/Kbuild
@@ -2,5 +2,4 @@
 generic-y += extable.h
 generic-y += iomap.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
diff --git a/arch/ia64/include/asm/local64.h b/arch/ia64/include/asm/local64.h
deleted file mode 100644
index 36c93b5..0000000
--- a/arch/ia64/include/asm/local64.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/local64.h>
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 9b5acf8..e76386a 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -536,7 +536,7 @@
 
 	if (map_start < map_end)
 		memmap_init_zone((unsigned long)(map_end - map_start),
-				 args->nid, args->zone, page_to_pfn(map_start),
+				 args->nid, args->zone, page_to_pfn(map_start), page_to_pfn(map_end),
 				 MEMINIT_EARLY, NULL, MIGRATE_MOVABLE);
 	return 0;
 }
@@ -546,7 +546,7 @@
 	     unsigned long start_pfn)
 {
 	if (!vmem_map) {
-		memmap_init_zone(size, nid, zone, start_pfn,
+		memmap_init_zone(size, nid, zone, start_pfn, start_pfn + size,
 				 MEMINIT_EARLY, NULL, MIGRATE_MOVABLE);
 	} else {
 		struct page *start;
diff --git a/arch/m68k/include/asm/Kbuild b/arch/m68k/include/asm/Kbuild
index 1bff55a..0dbf9c5 100644
--- a/arch/m68k/include/asm/Kbuild
+++ b/arch/m68k/include/asm/Kbuild
@@ -2,6 +2,5 @@
 generated-y += syscall_table.h
 generic-y += extable.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += spinlock.h
diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild
index 63bce83..29b0e55 100644
--- a/arch/microblaze/include/asm/Kbuild
+++ b/arch/microblaze/include/asm/Kbuild
@@ -2,7 +2,6 @@
 generated-y += syscall_table.h
 generic-y += extable.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += parport.h
 generic-y += syscalls.h
diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild
index 198b3ba..95b4fa7 100644
--- a/arch/mips/include/asm/Kbuild
+++ b/arch/mips/include/asm/Kbuild
@@ -6,7 +6,6 @@
 generated-y += syscall_table_64_o32.h
 generic-y += export.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += parport.h
 generic-y += qrwlock.h
diff --git a/arch/nds32/include/asm/Kbuild b/arch/nds32/include/asm/Kbuild
index ff1e942..82a4453 100644
--- a/arch/nds32/include/asm/Kbuild
+++ b/arch/nds32/include/asm/Kbuild
@@ -4,6 +4,5 @@
 generic-y += export.h
 generic-y += gpio.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += parport.h
 generic-y += user.h
diff --git a/arch/openrisc/include/asm/Kbuild b/arch/openrisc/include/asm/Kbuild
index 442f3d3..ca5987e 100644
--- a/arch/openrisc/include/asm/Kbuild
+++ b/arch/openrisc/include/asm/Kbuild
@@ -1,7 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 generic-y += extable.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += qspinlock_types.h
 generic-y += qspinlock.h
diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild
index f16c4db..4406475 100644
--- a/arch/parisc/include/asm/Kbuild
+++ b/arch/parisc/include/asm/Kbuild
@@ -3,6 +3,5 @@
 generated-y += syscall_table_64.h
 generated-y += syscall_table_c32.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += user.h
diff --git a/arch/powerpc/include/asm/Kbuild b/arch/powerpc/include/asm/Kbuild
index 90cd5c5..e1f9b4e 100644
--- a/arch/powerpc/include/asm/Kbuild
+++ b/arch/powerpc/include/asm/Kbuild
@@ -5,7 +5,6 @@
 generated-y += syscall_table_spu.h
 generic-y += export.h
 generic-y += kvm_types.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += qrwlock.h
 generic-y += vtime.h
diff --git a/arch/riscv/include/asm/Kbuild b/arch/riscv/include/asm/Kbuild
index 59dd7be..445ccc9 100644
--- a/arch/riscv/include/asm/Kbuild
+++ b/arch/riscv/include/asm/Kbuild
@@ -3,6 +3,5 @@
 generic-y += extable.h
 generic-y += flat.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += user.h
 generic-y += vmlinux.lds.h
diff --git a/arch/s390/include/asm/Kbuild b/arch/s390/include/asm/Kbuild
index 319efa0..1a18d7b8 100644
--- a/arch/s390/include/asm/Kbuild
+++ b/arch/s390/include/asm/Kbuild
@@ -7,5 +7,4 @@
 generic-y += asm-offsets.h
 generic-y += export.h
 generic-y += kvm_types.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
diff --git a/arch/sh/include/asm/Kbuild b/arch/sh/include/asm/Kbuild
index 7435182..fc44d9c 100644
--- a/arch/sh/include/asm/Kbuild
+++ b/arch/sh/include/asm/Kbuild
@@ -1,6 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
 generated-y += syscall_table.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += parport.h
diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild
index 5269a70..3688fda 100644
--- a/arch/sparc/include/asm/Kbuild
+++ b/arch/sparc/include/asm/Kbuild
@@ -6,5 +6,4 @@
 generated-y += syscall_table_c32.h
 generic-y += export.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
diff --git a/arch/x86/include/asm/local64.h b/arch/x86/include/asm/local64.h
deleted file mode 100644
index 36c93b5..0000000
--- a/arch/x86/include/asm/local64.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/local64.h>
diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild
index 9718e95..854c5e0 100644
--- a/arch/xtensa/include/asm/Kbuild
+++ b/arch/xtensa/include/asm/Kbuild
@@ -2,7 +2,6 @@
 generated-y += syscall_table.h
 generic-y += extable.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += param.h
 generic-y += qrwlock.h
diff --git a/block/blk-core.c b/block/blk-core.c
index 96e5fcd..7663a9b 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -18,6 +18,7 @@
 #include <linux/bio.h>
 #include <linux/blkdev.h>
 #include <linux/blk-mq.h>
+#include <linux/blk-pm.h>
 #include <linux/highmem.h>
 #include <linux/mm.h>
 #include <linux/pagemap.h>
@@ -424,11 +425,11 @@
 /**
  * blk_queue_enter() - try to increase q->q_usage_counter
  * @q: request queue pointer
- * @flags: BLK_MQ_REQ_NOWAIT and/or BLK_MQ_REQ_PREEMPT
+ * @flags: BLK_MQ_REQ_NOWAIT and/or BLK_MQ_REQ_PM
  */
 int blk_queue_enter(struct request_queue *q, blk_mq_req_flags_t flags)
 {
-	const bool pm = flags & BLK_MQ_REQ_PREEMPT;
+	const bool pm = flags & BLK_MQ_REQ_PM;
 
 	while (true) {
 		bool success = false;
@@ -440,7 +441,8 @@
 			 * responsible for ensuring that that counter is
 			 * globally visible before the queue is unfrozen.
 			 */
-			if (pm || !blk_queue_pm_only(q)) {
+			if ((pm && queue_rpm_status(q) != RPM_SUSPENDED) ||
+			    !blk_queue_pm_only(q)) {
 				success = true;
 			} else {
 				percpu_ref_put(&q->q_usage_counter);
@@ -465,8 +467,7 @@
 
 		wait_event(q->mq_freeze_wq,
 			   (!q->mq_freeze_depth &&
-			    (pm || (blk_pm_request_resume(q),
-				    !blk_queue_pm_only(q)))) ||
+			    blk_pm_resume_queue(pm, q)) ||
 			   blk_queue_dying(q));
 		if (blk_queue_dying(q))
 			return -ENODEV;
@@ -630,7 +631,7 @@
 	struct request *req;
 
 	WARN_ON_ONCE(op & REQ_NOWAIT);
-	WARN_ON_ONCE(flags & ~(BLK_MQ_REQ_NOWAIT | BLK_MQ_REQ_PREEMPT));
+	WARN_ON_ONCE(flags & ~(BLK_MQ_REQ_NOWAIT | BLK_MQ_REQ_PM));
 
 	req = blk_mq_alloc_request(q, op, flags);
 	if (!IS_ERR(req) && q->mq_ops->initialize_rq_fn)
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 3094542..4d6e83e 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -129,6 +129,7 @@
 	QUEUE_FLAG_NAME(PCI_P2PDMA),
 	QUEUE_FLAG_NAME(ZONE_RESETALL),
 	QUEUE_FLAG_NAME(RQ_ALLOC_TIME),
+	QUEUE_FLAG_NAME(NOWAIT),
 };
 #undef QUEUE_FLAG_NAME
 
@@ -297,7 +298,6 @@
 	RQF_NAME(MIXED_MERGE),
 	RQF_NAME(MQ_INFLIGHT),
 	RQF_NAME(DONTPREP),
-	RQF_NAME(PREEMPT),
 	RQF_NAME(FAILED),
 	RQF_NAME(QUIET),
 	RQF_NAME(ELVPRIV),
diff --git a/block/blk-mq.c b/block/blk-mq.c
index c338c9b..f285a912 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -294,8 +294,8 @@
 	rq->mq_hctx = data->hctx;
 	rq->rq_flags = 0;
 	rq->cmd_flags = data->cmd_flags;
-	if (data->flags & BLK_MQ_REQ_PREEMPT)
-		rq->rq_flags |= RQF_PREEMPT;
+	if (data->flags & BLK_MQ_REQ_PM)
+		rq->rq_flags |= RQF_PM;
 	if (blk_queue_io_stat(data->q))
 		rq->rq_flags |= RQF_IO_STAT;
 	INIT_LIST_HEAD(&rq->queuelist);
diff --git a/block/blk-pm.c b/block/blk-pm.c
index b85234d..17bd020 100644
--- a/block/blk-pm.c
+++ b/block/blk-pm.c
@@ -67,6 +67,10 @@
 
 	WARN_ON_ONCE(q->rpm_status != RPM_ACTIVE);
 
+	spin_lock_irq(&q->queue_lock);
+	q->rpm_status = RPM_SUSPENDING;
+	spin_unlock_irq(&q->queue_lock);
+
 	/*
 	 * Increase the pm_only counter before checking whether any
 	 * non-PM blk_queue_enter() calls are in progress to avoid that any
@@ -89,15 +93,14 @@
 	/* Switch q_usage_counter back to per-cpu mode. */
 	blk_mq_unfreeze_queue(q);
 
-	spin_lock_irq(&q->queue_lock);
-	if (ret < 0)
+	if (ret < 0) {
+		spin_lock_irq(&q->queue_lock);
+		q->rpm_status = RPM_ACTIVE;
 		pm_runtime_mark_last_busy(q->dev);
-	else
-		q->rpm_status = RPM_SUSPENDING;
-	spin_unlock_irq(&q->queue_lock);
+		spin_unlock_irq(&q->queue_lock);
 
-	if (ret)
 		blk_clear_pm_only(q);
+	}
 
 	return ret;
 }
diff --git a/block/blk-pm.h b/block/blk-pm.h
index ea5507d..a2283cc 100644
--- a/block/blk-pm.h
+++ b/block/blk-pm.h
@@ -6,11 +6,14 @@
 #include <linux/pm_runtime.h>
 
 #ifdef CONFIG_PM
-static inline void blk_pm_request_resume(struct request_queue *q)
+static inline int blk_pm_resume_queue(const bool pm, struct request_queue *q)
 {
-	if (q->dev && (q->rpm_status == RPM_SUSPENDED ||
-		       q->rpm_status == RPM_SUSPENDING))
-		pm_request_resume(q->dev);
+	if (!q->dev || !blk_queue_pm_only(q))
+		return 1;	/* Nothing to do */
+	if (pm && q->rpm_status != RPM_SUSPENDED)
+		return 1;	/* Request allowed */
+	pm_request_resume(q->dev);
+	return 0;
 }
 
 static inline void blk_pm_mark_last_busy(struct request *rq)
@@ -44,8 +47,9 @@
 		--rq->q->nr_pending;
 }
 #else
-static inline void blk_pm_request_resume(struct request_queue *q)
+static inline int blk_pm_resume_queue(const bool pm, struct request_queue *q)
 {
+	return 1;
 }
 
 static inline void blk_pm_mark_last_busy(struct request *rq)
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 6e23376..1a66046 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -3086,7 +3086,6 @@
 			intel_pstate.attr = hwp_cpufreq_attrs;
 			intel_cpufreq.attr = hwp_cpufreq_attrs;
 			intel_cpufreq.flags |= CPUFREQ_NEED_UPDATE_LIMITS;
-			intel_cpufreq.fast_switch = NULL;
 			intel_cpufreq.adjust_perf = intel_cpufreq_adjust_perf;
 			if (!default_driver)
 				default_driver = &intel_pstate;
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index 2162bc8..013ad33 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -223,7 +223,6 @@
 	sense_rq->rq_disk = rq->rq_disk;
 	sense_rq->cmd_flags = REQ_OP_DRV_IN;
 	ide_req(sense_rq)->type = ATA_PRIV_SENSE;
-	sense_rq->rq_flags |= RQF_PREEMPT;
 
 	req->cmd[0] = GPCMD_REQUEST_SENSE;
 	req->cmd[4] = cmd_len;
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 1a53c7a..4867b67 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -515,15 +515,10 @@
 		 * above to return us whatever is in the queue. Since we call
 		 * ide_do_request() ourselves, we end up taking requests while
 		 * the queue is blocked...
-		 * 
-		 * We let requests forced at head of queue with ide-preempt
-		 * though. I hope that doesn't happen too much, hopefully not
-		 * unless the subdriver triggers such a thing in its own PM
-		 * state machine.
 		 */
 		if ((drive->dev_flags & IDE_DFLAG_BLOCKED) &&
 		    ata_pm_request(rq) == 0 &&
-		    (rq->rq_flags & RQF_PREEMPT) == 0) {
+		    (rq->rq_flags & RQF_PM) == 0) {
 			/* there should be no pending command at this point */
 			ide_unlock_port(hwif);
 			goto plug_device;
diff --git a/drivers/ide/ide-pm.c b/drivers/ide/ide-pm.c
index 192e6c6..82ab308 100644
--- a/drivers/ide/ide-pm.c
+++ b/drivers/ide/ide-pm.c
@@ -77,7 +77,7 @@
 	}
 
 	memset(&rqpm, 0, sizeof(rqpm));
-	rq = blk_get_request(drive->queue, REQ_OP_DRV_IN, BLK_MQ_REQ_PREEMPT);
+	rq = blk_get_request(drive->queue, REQ_OP_DRV_IN, BLK_MQ_REQ_PM);
 	ide_req(rq)->type = ATA_PRIV_PM_RESUME;
 	ide_req(rq)->special = &rqpm;
 	rqpm.pm_step = IDE_PM_START_RESUME;
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index d793355..28f93b9 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -963,6 +963,39 @@
 		.enter = NULL }
 };
 
+/*
+ * Note, depending on HW and FW revision, SnowRidge SoC may or may not support
+ * C6, and this is indicated in the CPUID mwait leaf.
+ */
+static struct cpuidle_state snr_cstates[] __initdata = {
+	{
+		.name = "C1",
+		.desc = "MWAIT 0x00",
+		.flags = MWAIT2flg(0x00),
+		.exit_latency = 2,
+		.target_residency = 2,
+		.enter = &intel_idle,
+		.enter_s2idle = intel_idle_s2idle, },
+	{
+		.name = "C1E",
+		.desc = "MWAIT 0x01",
+		.flags = MWAIT2flg(0x01) | CPUIDLE_FLAG_ALWAYS_ENABLE,
+		.exit_latency = 15,
+		.target_residency = 25,
+		.enter = &intel_idle,
+		.enter_s2idle = intel_idle_s2idle, },
+	{
+		.name = "C6",
+		.desc = "MWAIT 0x20",
+		.flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED,
+		.exit_latency = 130,
+		.target_residency = 500,
+		.enter = &intel_idle,
+		.enter_s2idle = intel_idle_s2idle, },
+	{
+		.enter = NULL }
+};
+
 static const struct idle_cpu idle_cpu_nehalem __initconst = {
 	.state_table = nehalem_cstates,
 	.auto_demotion_disable_flags = NHM_C1_AUTO_DEMOTE | NHM_C3_AUTO_DEMOTE,
@@ -1084,6 +1117,12 @@
 	.use_acpi = true,
 };
 
+static const struct idle_cpu idle_cpu_snr __initconst = {
+	.state_table = snr_cstates,
+	.disable_promotion_to_c1e = true,
+	.use_acpi = true,
+};
+
 static const struct x86_cpu_id intel_idle_ids[] __initconst = {
 	X86_MATCH_INTEL_FAM6_MODEL(NEHALEM_EP,		&idle_cpu_nhx),
 	X86_MATCH_INTEL_FAM6_MODEL(NEHALEM,		&idle_cpu_nehalem),
@@ -1122,7 +1161,7 @@
 	X86_MATCH_INTEL_FAM6_MODEL(ATOM_GOLDMONT,	&idle_cpu_bxt),
 	X86_MATCH_INTEL_FAM6_MODEL(ATOM_GOLDMONT_PLUS,	&idle_cpu_bxt),
 	X86_MATCH_INTEL_FAM6_MODEL(ATOM_GOLDMONT_D,	&idle_cpu_dnv),
-	X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_D,	&idle_cpu_dnv),
+	X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_D,	&idle_cpu_snr),
 	{}
 };
 
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 5f9f9b3..5379113 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -3166,12 +3166,11 @@
 	}
 
 	if (test_bit(DM_CRYPT_SAME_CPU, &cc->flags))
-		cc->crypt_queue = alloc_workqueue("kcryptd-%s", WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM,
+		cc->crypt_queue = alloc_workqueue("kcryptd/%s", WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM,
 						  1, devname);
 	else
-		cc->crypt_queue = alloc_workqueue("kcryptd-%s",
-						  WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM |
-						  WQ_UNBOUND | WQ_SYSFS,
+		cc->crypt_queue = alloc_workqueue("kcryptd/%s",
+						  WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM | WQ_UNBOUND,
 						  num_online_cpus(), devname);
 	if (!cc->crypt_queue) {
 		ti->error = "Couldn't create kcryptd queue";
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 4268eb3..8c905aa 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -1092,7 +1092,7 @@
 	if (IS_ERR(opp_table->clk)) {
 		ret = PTR_ERR(opp_table->clk);
 		if (ret == -EPROBE_DEFER)
-			goto err;
+			goto remove_opp_dev;
 
 		dev_dbg(dev, "%s: Couldn't find clock: %d\n", __func__, ret);
 	}
@@ -1101,7 +1101,7 @@
 	ret = dev_pm_opp_of_find_icc_paths(dev, opp_table);
 	if (ret) {
 		if (ret == -EPROBE_DEFER)
-			goto err;
+			goto put_clk;
 
 		dev_warn(dev, "%s: Error finding interconnect paths: %d\n",
 			 __func__, ret);
@@ -1113,6 +1113,11 @@
 
 	return opp_table;
 
+put_clk:
+	if (!IS_ERR(opp_table->clk))
+		clk_put(opp_table->clk);
+remove_opp_dev:
+	_remove_opp_dev(opp_dev, opp_table);
 err:
 	kfree(opp_table);
 	return ERR_PTR(ret);
diff --git a/drivers/scsi/cxgbi/cxgb4i/Kconfig b/drivers/scsi/cxgbi/cxgb4i/Kconfig
index b206e26..8b0deec 100644
--- a/drivers/scsi/cxgbi/cxgb4i/Kconfig
+++ b/drivers/scsi/cxgbi/cxgb4i/Kconfig
@@ -4,6 +4,7 @@
 	depends on PCI && INET && (IPV6 || IPV6=n)
 	depends on THERMAL || !THERMAL
 	depends on ETHERNET
+	depends on TLS || TLS=n
 	select NET_VENDOR_CHELSIO
 	select CHELSIO_T4
 	select CHELSIO_LIB
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 969baf4..6e23dc3 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -5034,7 +5034,7 @@
 static void
 _base_get_diag_triggers(struct MPT3SAS_ADAPTER *ioc)
 {
-	u16 trigger_flags;
+	int trigger_flags;
 
 	/*
 	 * Default setting of master trigger.
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 4848ae3..b3f14f0 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -249,7 +249,8 @@
 
 	req = blk_get_request(sdev->request_queue,
 			data_direction == DMA_TO_DEVICE ?
-			REQ_OP_SCSI_OUT : REQ_OP_SCSI_IN, BLK_MQ_REQ_PREEMPT);
+			REQ_OP_SCSI_OUT : REQ_OP_SCSI_IN,
+			rq_flags & RQF_PM ? BLK_MQ_REQ_PM : 0);
 	if (IS_ERR(req))
 		return ret;
 	rq = scsi_req(req);
@@ -1206,6 +1207,8 @@
 scsi_device_state_check(struct scsi_device *sdev, struct request *req)
 {
 	switch (sdev->sdev_state) {
+	case SDEV_CREATED:
+		return BLK_STS_OK;
 	case SDEV_OFFLINE:
 	case SDEV_TRANSPORT_OFFLINE:
 		/*
@@ -1232,18 +1235,18 @@
 		return BLK_STS_RESOURCE;
 	case SDEV_QUIESCE:
 		/*
-		 * If the devices is blocked we defer normal commands.
+		 * If the device is blocked we only accept power management
+		 * commands.
 		 */
-		if (req && !(req->rq_flags & RQF_PREEMPT))
+		if (req && WARN_ON_ONCE(!(req->rq_flags & RQF_PM)))
 			return BLK_STS_RESOURCE;
 		return BLK_STS_OK;
 	default:
 		/*
 		 * For any other not fully online state we only allow
-		 * special commands.  In particular any user initiated
-		 * command is not allowed.
+		 * power management commands.
 		 */
-		if (req && !(req->rq_flags & RQF_PREEMPT))
+		if (req && !(req->rq_flags & RQF_PM))
 			return BLK_STS_IOERR;
 		return BLK_STS_OK;
 	}
@@ -2516,15 +2519,13 @@
 EXPORT_SYMBOL_GPL(sdev_evt_send_simple);
 
 /**
- *	scsi_device_quiesce - Block user issued commands.
+ *	scsi_device_quiesce - Block all commands except power management.
  *	@sdev:	scsi device to quiesce.
  *
  *	This works by trying to transition to the SDEV_QUIESCE state
  *	(which must be a legal transition).  When the device is in this
- *	state, only special requests will be accepted, all others will
- *	be deferred.  Since special requests may also be requeued requests,
- *	a successful return doesn't guarantee the device will be
- *	totally quiescent.
+ *	state, only power management requests will be accepted, all others will
+ *	be deferred.
  *
  *	Must be called with user context, may sleep.
  *
@@ -2586,12 +2587,12 @@
 	 * device deleted during suspend)
 	 */
 	mutex_lock(&sdev->state_mutex);
+	if (sdev->sdev_state == SDEV_QUIESCE)
+		scsi_device_set_state(sdev, SDEV_RUNNING);
 	if (sdev->quiesced_by) {
 		sdev->quiesced_by = NULL;
 		blk_clear_pm_only(sdev->request_queue);
 	}
-	if (sdev->sdev_state == SDEV_QUIESCE)
-		scsi_device_set_state(sdev, SDEV_RUNNING);
 	mutex_unlock(&sdev->state_mutex);
 }
 EXPORT_SYMBOL(scsi_device_resume);
diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c
index f3d5b1b..c37dd15 100644
--- a/drivers/scsi/scsi_transport_spi.c
+++ b/drivers/scsi/scsi_transport_spi.c
@@ -117,12 +117,16 @@
 		sshdr = &sshdr_tmp;
 
 	for(i = 0; i < DV_RETRIES; i++) {
+		/*
+		 * The purpose of the RQF_PM flag below is to bypass the
+		 * SDEV_QUIESCE state.
+		 */
 		result = scsi_execute(sdev, cmd, dir, buffer, bufflen, sense,
 				      sshdr, DV_TIMEOUT, /* retries */ 1,
 				      REQ_FAILFAST_DEV |
 				      REQ_FAILFAST_TRANSPORT |
 				      REQ_FAILFAST_DRIVER,
-				      0, NULL);
+				      RQF_PM, NULL);
 		if (driver_byte(result) != DRIVER_SENSE ||
 		    sshdr->sense_key != UNIT_ATTENTION)
 			break;
@@ -1005,23 +1009,26 @@
 	 */
 	lock_system_sleep();
 
+	if (scsi_autopm_get_device(sdev))
+		goto unlock_system_sleep;
+
 	if (unlikely(spi_dv_in_progress(starget)))
-		goto unlock;
+		goto put_autopm;
 
 	if (unlikely(scsi_device_get(sdev)))
-		goto unlock;
+		goto put_autopm;
 
 	spi_dv_in_progress(starget) = 1;
 
 	buffer = kzalloc(len, GFP_KERNEL);
 
 	if (unlikely(!buffer))
-		goto out_put;
+		goto put_sdev;
 
 	/* We need to verify that the actual device will quiesce; the
 	 * later target quiesce is just a nice to have */
 	if (unlikely(scsi_device_quiesce(sdev)))
-		goto out_free;
+		goto free_buffer;
 
 	scsi_target_quiesce(starget);
 
@@ -1041,12 +1048,16 @@
 
 	spi_initial_dv(starget) = 1;
 
- out_free:
+free_buffer:
 	kfree(buffer);
- out_put:
+
+put_sdev:
 	spi_dv_in_progress(starget) = 0;
 	scsi_device_put(sdev);
-unlock:
+put_autopm:
+	scsi_autopm_put_device(sdev);
+
+unlock_system_sleep:
 	unlock_system_sleep();
 }
 EXPORT_SYMBOL(spi_dv_device);
diff --git a/drivers/scsi/ufs/ufs-mediatek-trace.h b/drivers/scsi/ufs/ufs-mediatek-trace.h
index fd6f84c..895e82e 100644
--- a/drivers/scsi/ufs/ufs-mediatek-trace.h
+++ b/drivers/scsi/ufs/ufs-mediatek-trace.h
@@ -31,6 +31,6 @@
 
 #undef TRACE_INCLUDE_PATH
 #undef TRACE_INCLUDE_FILE
-#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_PATH ../../drivers/scsi/ufs/
 #define TRACE_INCLUDE_FILE ufs-mediatek-trace
 #include <trace/define_trace.h>
diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index 3522458..80618af 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -70,6 +70,13 @@
 	return !!(host->caps & UFS_MTK_CAP_VA09_PWR_CTRL);
 }
 
+static bool ufs_mtk_is_broken_vcc(struct ufs_hba *hba)
+{
+	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+
+	return !!(host->caps & UFS_MTK_CAP_BROKEN_VCC);
+}
+
 static void ufs_mtk_cfg_unipro_cg(struct ufs_hba *hba, bool enable)
 {
 	u32 tmp;
@@ -514,6 +521,9 @@
 	if (of_property_read_bool(np, "mediatek,ufs-disable-ah8"))
 		host->caps |= UFS_MTK_CAP_DISABLE_AH8;
 
+	if (of_property_read_bool(np, "mediatek,ufs-broken-vcc"))
+		host->caps |= UFS_MTK_CAP_BROKEN_VCC;
+
 	dev_info(hba->dev, "caps: 0x%x", host->caps);
 }
 
@@ -1003,6 +1013,17 @@
 static void ufs_mtk_fixup_dev_quirks(struct ufs_hba *hba)
 {
 	ufshcd_fixup_dev_quirks(hba, ufs_mtk_dev_fixups);
+
+	if (ufs_mtk_is_broken_vcc(hba) && hba->vreg_info.vcc &&
+	    (hba->dev_quirks & UFS_DEVICE_QUIRK_DELAY_AFTER_LPM)) {
+		hba->vreg_info.vcc->always_on = true;
+		/*
+		 * VCC will be kept always-on thus we don't
+		 * need any delay during regulator operations
+		 */
+		hba->dev_quirks &= ~(UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM |
+			UFS_DEVICE_QUIRK_DELAY_AFTER_LPM);
+	}
 }
 
 static void ufs_mtk_event_notify(struct ufs_hba *hba,
diff --git a/drivers/scsi/ufs/ufs-mediatek.h b/drivers/scsi/ufs/ufs-mediatek.h
index 93d3509..3f0d3bb 100644
--- a/drivers/scsi/ufs/ufs-mediatek.h
+++ b/drivers/scsi/ufs/ufs-mediatek.h
@@ -81,6 +81,7 @@
 	UFS_MTK_CAP_BOOST_CRYPT_ENGINE         = 1 << 0,
 	UFS_MTK_CAP_VA09_PWR_CTRL              = 1 << 1,
 	UFS_MTK_CAP_DISABLE_AH8                = 1 << 2,
+	UFS_MTK_CAP_BROKEN_VCC                 = 1 << 3,
 };
 
 struct ufs_mtk_crypt_cfg {
diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h
index d593edb4..14dfda7 100644
--- a/drivers/scsi/ufs/ufs.h
+++ b/drivers/scsi/ufs/ufs.h
@@ -330,7 +330,6 @@
 	UFS_DEV_WRITE_BOOSTER_SUP	= BIT(8),
 };
 
-#define POWER_DESC_MAX_SIZE			0x62
 #define POWER_DESC_MAX_ACTV_ICC_LVLS		16
 
 /* Attribute  bActiveICCLevel parameter bit masks definitions */
@@ -513,6 +512,7 @@
 struct ufs_vreg {
 	struct regulator *reg;
 	const char *name;
+	bool always_on;
 	bool enabled;
 	int min_uV;
 	int max_uV;
diff --git a/drivers/scsi/ufs/ufshcd-pci.c b/drivers/scsi/ufs/ufshcd-pci.c
index df3a564..fadd566 100644
--- a/drivers/scsi/ufs/ufshcd-pci.c
+++ b/drivers/scsi/ufs/ufshcd-pci.c
@@ -148,6 +148,8 @@
 {
 	struct intel_host *host;
 
+	hba->caps |= UFSHCD_CAP_RPM_AUTOSUSPEND;
+
 	host = devm_kzalloc(hba->dev, sizeof(*host), GFP_KERNEL);
 	if (!host)
 		return -ENOMEM;
@@ -163,6 +165,41 @@
 	intel_ltr_hide(hba->dev);
 }
 
+static int ufs_intel_resume(struct ufs_hba *hba, enum ufs_pm_op op)
+{
+	/*
+	 * To support S4 (suspend-to-disk) with spm_lvl other than 5, the base
+	 * address registers must be restored because the restore kernel can
+	 * have used different addresses.
+	 */
+	ufshcd_writel(hba, lower_32_bits(hba->utrdl_dma_addr),
+		      REG_UTP_TRANSFER_REQ_LIST_BASE_L);
+	ufshcd_writel(hba, upper_32_bits(hba->utrdl_dma_addr),
+		      REG_UTP_TRANSFER_REQ_LIST_BASE_H);
+	ufshcd_writel(hba, lower_32_bits(hba->utmrdl_dma_addr),
+		      REG_UTP_TASK_REQ_LIST_BASE_L);
+	ufshcd_writel(hba, upper_32_bits(hba->utmrdl_dma_addr),
+		      REG_UTP_TASK_REQ_LIST_BASE_H);
+
+	if (ufshcd_is_link_hibern8(hba)) {
+		int ret = ufshcd_uic_hibern8_exit(hba);
+
+		if (!ret) {
+			ufshcd_set_link_active(hba);
+		} else {
+			dev_err(hba->dev, "%s: hibern8 exit failed %d\n",
+				__func__, ret);
+			/*
+			 * Force reset and restore. Any other actions can lead
+			 * to an unrecoverable state.
+			 */
+			ufshcd_set_link_off(hba);
+		}
+	}
+
+	return 0;
+}
+
 static int ufs_intel_ehl_init(struct ufs_hba *hba)
 {
 	hba->quirks |= UFSHCD_QUIRK_BROKEN_AUTO_HIBERN8;
@@ -174,6 +211,7 @@
 	.init			= ufs_intel_common_init,
 	.exit			= ufs_intel_common_exit,
 	.link_startup_notify	= ufs_intel_link_startup_notify,
+	.resume			= ufs_intel_resume,
 };
 
 static struct ufs_hba_variant_ops ufs_intel_ehl_hba_vops = {
@@ -181,6 +219,7 @@
 	.init			= ufs_intel_ehl_init,
 	.exit			= ufs_intel_common_exit,
 	.link_startup_notify	= ufs_intel_link_startup_notify,
+	.resume			= ufs_intel_resume,
 };
 
 #ifdef CONFIG_PM_SLEEP
@@ -207,6 +246,30 @@
 {
 	return ufshcd_system_resume(dev_get_drvdata(dev));
 }
+
+/**
+ * ufshcd_pci_poweroff - suspend-to-disk poweroff function
+ * @dev: pointer to PCI device handle
+ *
+ * Returns 0 if successful
+ * Returns non-zero otherwise
+ */
+static int ufshcd_pci_poweroff(struct device *dev)
+{
+	struct ufs_hba *hba = dev_get_drvdata(dev);
+	int spm_lvl = hba->spm_lvl;
+	int ret;
+
+	/*
+	 * For poweroff we need to set the UFS device to PowerDown mode.
+	 * Force spm_lvl to ensure that.
+	 */
+	hba->spm_lvl = 5;
+	ret = ufshcd_system_suspend(hba);
+	hba->spm_lvl = spm_lvl;
+	return ret;
+}
+
 #endif /* !CONFIG_PM_SLEEP */
 
 #ifdef CONFIG_PM
@@ -302,8 +365,14 @@
 }
 
 static const struct dev_pm_ops ufshcd_pci_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(ufshcd_pci_suspend,
-				ufshcd_pci_resume)
+#ifdef CONFIG_PM_SLEEP
+	.suspend	= ufshcd_pci_suspend,
+	.resume		= ufshcd_pci_resume,
+	.freeze		= ufshcd_pci_suspend,
+	.thaw		= ufshcd_pci_resume,
+	.poweroff	= ufshcd_pci_poweroff,
+	.restore	= ufshcd_pci_resume,
+#endif
 	SET_RUNTIME_PM_OPS(ufshcd_pci_runtime_suspend,
 			   ufshcd_pci_runtime_resume,
 			   ufshcd_pci_runtime_idle)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 9902b7e..82ad317 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -225,6 +225,7 @@
 static int ufshcd_eh_host_reset_handler(struct scsi_cmnd *cmd);
 static int ufshcd_clear_tm_cmd(struct ufs_hba *hba, int tag);
 static void ufshcd_hba_exit(struct ufs_hba *hba);
+static int ufshcd_clear_ua_wluns(struct ufs_hba *hba);
 static int ufshcd_probe_hba(struct ufs_hba *hba, bool async);
 static int ufshcd_setup_clocks(struct ufs_hba *hba, bool on);
 static int ufshcd_uic_hibern8_enter(struct ufs_hba *hba);
@@ -580,6 +581,23 @@
 		 hba->pwr_info.hs_rate);
 }
 
+static void ufshcd_device_reset(struct ufs_hba *hba)
+{
+	int err;
+
+	err = ufshcd_vops_device_reset(hba);
+
+	if (!err) {
+		ufshcd_set_ufs_dev_active(hba);
+		if (ufshcd_is_wb_allowed(hba)) {
+			hba->wb_enabled = false;
+			hba->wb_buf_flush_enabled = false;
+		}
+	}
+	if (err != -EOPNOTSUPP)
+		ufshcd_update_evt_hist(hba, UFS_EVT_DEV_RESET, err);
+}
+
 void ufshcd_delay_us(unsigned long us, unsigned long tolerance)
 {
 	if (!us)
@@ -3665,7 +3683,7 @@
 	ret = ufshcd_send_uic_cmd(hba, &uic_cmd);
 	if (ret)
 		dev_err(hba->dev,
-			"dme-reset: error code %d\n", ret);
+			"dme-enable: error code %d\n", ret);
 
 	return ret;
 }
@@ -3964,7 +3982,7 @@
 	spin_unlock_irqrestore(hba->host->host_lock, flags);
 
 	/* Reset the attached device */
-	ufshcd_vops_device_reset(hba);
+	ufshcd_device_reset(hba);
 
 	ret = ufshcd_host_reset_and_restore(hba);
 
@@ -6930,7 +6948,8 @@
 
 	/* Establish the link again and restore the device */
 	err = ufshcd_probe_hba(hba, false);
-
+	if (!err)
+		ufshcd_clear_ua_wluns(hba);
 out:
 	if (err)
 		dev_err(hba->dev, "%s: Host init failed %d\n", __func__, err);
@@ -6968,7 +6987,7 @@
 
 	do {
 		/* Reset the attached device */
-		ufshcd_vops_device_reset(hba);
+		ufshcd_device_reset(hba);
 
 		err = ufshcd_host_reset_and_restore(hba);
 	} while (err && --retries);
@@ -8045,7 +8064,7 @@
 {
 	int ret = 0;
 
-	if (!vreg || !vreg->enabled)
+	if (!vreg || !vreg->enabled || vreg->always_on)
 		goto out;
 
 	ret = regulator_disable(vreg->reg);
@@ -8414,13 +8433,7 @@
 	 * handling context.
 	 */
 	hba->host->eh_noresume = 1;
-	if (hba->wlun_dev_clr_ua) {
-		ret = ufshcd_send_request_sense(hba, sdp);
-		if (ret)
-			goto out;
-		/* Unit attention condition is cleared now */
-		hba->wlun_dev_clr_ua = false;
-	}
+	ufshcd_clear_ua_wluns(hba);
 
 	cmd[4] = pwr_mode << 4;
 
@@ -8441,7 +8454,7 @@
 
 	if (!ret)
 		hba->curr_dev_pwr_mode = pwr_mode;
-out:
+
 	scsi_device_put(sdp);
 	hba->host->eh_noresume = 0;
 	return ret;
@@ -8747,7 +8760,7 @@
 	 * further below.
 	 */
 	if (ufshcd_is_ufs_dev_deepsleep(hba)) {
-		ufshcd_vops_device_reset(hba);
+		ufshcd_device_reset(hba);
 		WARN_ON(!ufshcd_is_link_off(hba));
 	}
 	if (ufshcd_is_link_hibern8(hba) && !ufshcd_uic_hibern8_exit(hba))
@@ -8757,7 +8770,7 @@
 set_dev_active:
 	/* Can also get here needing to exit DeepSleep */
 	if (ufshcd_is_ufs_dev_deepsleep(hba)) {
-		ufshcd_vops_device_reset(hba);
+		ufshcd_device_reset(hba);
 		ufshcd_host_reset_and_restore(hba);
 	}
 	if (!ufshcd_set_dev_pwr_mode(hba, UFS_ACTIVE_PWR_MODE))
@@ -9353,7 +9366,7 @@
 	}
 
 	/* Reset the attached device */
-	ufshcd_vops_device_reset(hba);
+	ufshcd_device_reset(hba);
 
 	ufshcd_init_crypto(hba);
 
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index f8c2467..aa9ea35 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -1218,16 +1218,12 @@
 		hba->vops->dbg_register_dump(hba);
 }
 
-static inline void ufshcd_vops_device_reset(struct ufs_hba *hba)
+static inline int ufshcd_vops_device_reset(struct ufs_hba *hba)
 {
-	if (hba->vops && hba->vops->device_reset) {
-		int err = hba->vops->device_reset(hba);
+	if (hba->vops && hba->vops->device_reset)
+		return hba->vops->device_reset(hba);
 
-		if (!err)
-			ufshcd_set_ufs_dev_active(hba);
-		if (err != -EOPNOTSUPP)
-			ufshcd_update_evt_hist(hba, UFS_EVT_DEV_RESET, err);
-	}
+	return -EOPNOTSUPP;
 }
 
 static inline void ufshcd_vops_config_scaling_param(struct ufs_hba *hba,
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 9293045..3e5b02f 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1055,7 +1055,6 @@
 /**
  * bd_abort_claiming - abort claiming of a block device
  * @bdev: block device of interest
- * @whole: whole block device
  * @holder: holder that has claimed @bdev
  *
  * Abort claiming of a block device when the exclusive open failed. This can be
@@ -1828,6 +1827,7 @@
 /**
  * lookup_bdev  - lookup a struct block_device by name
  * @pathname:	special file representing the block device
+ * @dev:	return value of the block device's dev_t
  *
  * Get a reference to the blockdevice at @pathname in the current
  * namespace if possible and return it.  Return ERR_PTR(error)
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 98c15ff..84058703 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -2475,6 +2475,22 @@
 	return r;
 }
 
+static void encode_timestamp_and_gids(void **p,
+				      const struct ceph_mds_request *req)
+{
+	struct ceph_timespec ts;
+	int i;
+
+	ceph_encode_timespec64(&ts, &req->r_stamp);
+	ceph_encode_copy(p, &ts, sizeof(ts));
+
+	/* gid_list */
+	ceph_encode_32(p, req->r_cred->group_info->ngroups);
+	for (i = 0; i < req->r_cred->group_info->ngroups; i++)
+		ceph_encode_64(p, from_kgid(&init_user_ns,
+					    req->r_cred->group_info->gid[i]));
+}
+
 /*
  * called under mdsc->mutex
  */
@@ -2491,7 +2507,7 @@
 	u64 ino1 = 0, ino2 = 0;
 	int pathlen1 = 0, pathlen2 = 0;
 	bool freepath1 = false, freepath2 = false;
-	int len, i;
+	int len;
 	u16 releases;
 	void *p, *end;
 	int ret;
@@ -2517,17 +2533,10 @@
 		goto out_free1;
 	}
 
-	if (legacy) {
-		/* Old style */
-		len = sizeof(*head);
-	} else {
-		/* New style: add gid_list and any later fields */
-		len = sizeof(struct ceph_mds_request_head) + sizeof(u32) +
-		      (sizeof(u64) * req->r_cred->group_info->ngroups);
-	}
-
+	len = legacy ? sizeof(*head) : sizeof(struct ceph_mds_request_head);
 	len += pathlen1 + pathlen2 + 2*(1 + sizeof(u32) + sizeof(u64)) +
 		sizeof(struct ceph_timespec);
+	len += sizeof(u32) + (sizeof(u64) * req->r_cred->group_info->ngroups);
 
 	/* calculate (max) length for cap releases */
 	len += sizeof(struct ceph_mds_request_release) *
@@ -2548,7 +2557,7 @@
 	msg->hdr.tid = cpu_to_le64(req->r_tid);
 
 	/*
-	 * The old ceph_mds_request_header didn't contain a version field, and
+	 * The old ceph_mds_request_head didn't contain a version field, and
 	 * one was added when we moved the message version from 3->4.
 	 */
 	if (legacy) {
@@ -2609,20 +2618,7 @@
 
 	head->num_releases = cpu_to_le16(releases);
 
-	/* time stamp */
-	{
-		struct ceph_timespec ts;
-		ceph_encode_timespec64(&ts, &req->r_stamp);
-		ceph_encode_copy(&p, &ts, sizeof(ts));
-	}
-
-	/* gid list */
-	if (!legacy) {
-		ceph_encode_32(&p, req->r_cred->group_info->ngroups);
-		for (i = 0; i < req->r_cred->group_info->ngroups; i++)
-			ceph_encode_64(&p, from_kgid(&init_user_ns,
-				       req->r_cred->group_info->gid[i]));
-	}
+	encode_timestamp_and_gids(&p, req);
 
 	if (WARN_ON_ONCE(p > end)) {
 		ceph_msg_put(msg);
@@ -2730,13 +2726,8 @@
 		/* remove cap/dentry releases from message */
 		rhead->num_releases = 0;
 
-		/* time stamp */
 		p = msg->front.iov_base + req->r_request_release_offset;
-		{
-			struct ceph_timespec ts;
-			ceph_encode_timespec64(&ts, &req->r_stamp);
-			ceph_encode_copy(&p, &ts, sizeof(ts));
-		}
+		encode_timestamp_and_gids(&p, req);
 
 		msg->front.iov_len = p - msg->front.iov_base;
 		msg->hdr.front_len = cpu_to_le32(msg->front.iov_len);
diff --git a/fs/file.c b/fs/file.c
index c0b6096..dab120b 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -21,7 +21,6 @@
 #include <linux/rcupdate.h>
 #include <linux/close_range.h>
 #include <net/sock.h>
-#include <linux/io_uring.h>
 
 unsigned int sysctl_nr_open __read_mostly = 1024*1024;
 unsigned int sysctl_nr_open_min = BITS_PER_LONG;
@@ -428,7 +427,6 @@
 	struct files_struct * files = tsk->files;
 
 	if (files) {
-		io_uring_files_cancel(files);
 		task_lock(tsk);
 		tsk->files = NULL;
 		task_unlock(tsk);
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 7e35283..ca46f31 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -992,6 +992,10 @@
 	ACCT_PINNED,
 };
 
+static void destroy_fixed_file_ref_node(struct fixed_file_ref_node *ref_node);
+static struct fixed_file_ref_node *alloc_fixed_file_ref_node(
+			struct io_ring_ctx *ctx);
+
 static void __io_complete_rw(struct io_kiocb *req, long res, long res2,
 			     struct io_comp_state *cs);
 static void io_cqring_fill_event(struct io_kiocb *req, long res);
@@ -1501,6 +1505,13 @@
 		spin_unlock_irq(&ctx->inflight_lock);
 		req->work.flags |= IO_WQ_WORK_FILES;
 	}
+	if (!(req->work.flags & IO_WQ_WORK_MM) &&
+	    (def->work_flags & IO_WQ_WORK_MM)) {
+		if (id->mm != current->mm)
+			return false;
+		mmgrab(id->mm);
+		req->work.flags |= IO_WQ_WORK_MM;
+	}
 
 	return true;
 }
@@ -1525,13 +1536,6 @@
 			req->work.flags |= IO_WQ_WORK_UNBOUND;
 	}
 
-	/* ->mm can never change on us */
-	if (!(req->work.flags & IO_WQ_WORK_MM) &&
-	    (def->work_flags & IO_WQ_WORK_MM)) {
-		mmgrab(id->mm);
-		req->work.flags |= IO_WQ_WORK_MM;
-	}
-
 	/* if we fail grabbing identity, we must COW, regrab, and retry */
 	if (io_grab_identity(req))
 		return;
@@ -7231,14 +7235,28 @@
 	complete(&data->done);
 }
 
+static void io_sqe_files_set_node(struct fixed_file_data *file_data,
+				  struct fixed_file_ref_node *ref_node)
+{
+	spin_lock_bh(&file_data->lock);
+	file_data->node = ref_node;
+	list_add_tail(&ref_node->node, &file_data->ref_list);
+	spin_unlock_bh(&file_data->lock);
+	percpu_ref_get(&file_data->refs);
+}
+
 static int io_sqe_files_unregister(struct io_ring_ctx *ctx)
 {
 	struct fixed_file_data *data = ctx->file_data;
-	struct fixed_file_ref_node *ref_node = NULL;
+	struct fixed_file_ref_node *backup_node, *ref_node = NULL;
 	unsigned nr_tables, i;
+	int ret;
 
 	if (!data)
 		return -ENXIO;
+	backup_node = alloc_fixed_file_ref_node(ctx);
+	if (!backup_node)
+		return -ENOMEM;
 
 	spin_lock_bh(&data->lock);
 	ref_node = data->node;
@@ -7250,7 +7268,18 @@
 
 	/* wait for all refs nodes to complete */
 	flush_delayed_work(&ctx->file_put_work);
-	wait_for_completion(&data->done);
+	do {
+		ret = wait_for_completion_interruptible(&data->done);
+		if (!ret)
+			break;
+		ret = io_run_task_work_sig();
+		if (ret < 0) {
+			percpu_ref_resurrect(&data->refs);
+			reinit_completion(&data->done);
+			io_sqe_files_set_node(data, backup_node);
+			return ret;
+		}
+	} while (1);
 
 	__io_sqe_files_unregister(ctx);
 	nr_tables = DIV_ROUND_UP(ctx->nr_user_files, IORING_MAX_FILES_TABLE);
@@ -7261,6 +7290,7 @@
 	kfree(data);
 	ctx->file_data = NULL;
 	ctx->nr_user_files = 0;
+	destroy_fixed_file_ref_node(backup_node);
 	return 0;
 }
 
@@ -7758,11 +7788,7 @@
 		return PTR_ERR(ref_node);
 	}
 
-	file_data->node = ref_node;
-	spin_lock_bh(&file_data->lock);
-	list_add_tail(&ref_node->node, &file_data->ref_list);
-	spin_unlock_bh(&file_data->lock);
-	percpu_ref_get(&file_data->refs);
+	io_sqe_files_set_node(file_data, ref_node);
 	return ret;
 out_fput:
 	for (i = 0; i < ctx->nr_user_files; i++) {
@@ -7918,11 +7944,7 @@
 
 	if (needs_switch) {
 		percpu_ref_kill(&data->node->refs);
-		spin_lock_bh(&data->lock);
-		list_add_tail(&ref_node->node, &data->ref_list);
-		data->node = ref_node;
-		spin_unlock_bh(&data->lock);
-		percpu_ref_get(&ctx->file_data->refs);
+		io_sqe_files_set_node(data, ref_node);
 	} else
 		destroy_fixed_file_ref_node(ref_node);
 
diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild
index 4365b9a..267f6df 100644
--- a/include/asm-generic/Kbuild
+++ b/include/asm-generic/Kbuild
@@ -34,6 +34,7 @@
 mandatory-y += kprobes.h
 mandatory-y += linkage.h
 mandatory-y += local.h
+mandatory-y += local64.h
 mandatory-y += mm-arch-hooks.h
 mandatory-y += mmiowb.h
 mandatory-y += mmu.h
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 47b0219..d705b17 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -447,8 +447,8 @@
 	BLK_MQ_REQ_NOWAIT	= (__force blk_mq_req_flags_t)(1 << 0),
 	/* allocate from reserved pool */
 	BLK_MQ_REQ_RESERVED	= (__force blk_mq_req_flags_t)(1 << 1),
-	/* set RQF_PREEMPT */
-	BLK_MQ_REQ_PREEMPT	= (__force blk_mq_req_flags_t)(1 << 3),
+	/* set RQF_PM */
+	BLK_MQ_REQ_PM		= (__force blk_mq_req_flags_t)(1 << 2),
 };
 
 struct request *blk_mq_alloc_request(struct request_queue *q, unsigned int op,
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 070de09..f94ee30 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -79,9 +79,6 @@
 #define RQF_MQ_INFLIGHT		((__force req_flags_t)(1 << 6))
 /* don't call prep for this one */
 #define RQF_DONTPREP		((__force req_flags_t)(1 << 7))
-/* set for "ide_preempt" requests and also for requests for which the SCSI
-   "quiesce" state must be ignored. */
-#define RQF_PREEMPT		((__force req_flags_t)(1 << 8))
 /* vaguely specified driver internal error.  Ignored by the block layer */
 #define RQF_FAILED		((__force req_flags_t)(1 << 10))
 /* don't warn about errors */
@@ -430,8 +427,7 @@
 	unsigned long		queue_flags;
 	/*
 	 * Number of contexts that have called blk_set_pm_only(). If this
-	 * counter is above zero then only RQF_PM and RQF_PREEMPT requests are
-	 * processed.
+	 * counter is above zero then only RQF_PM requests are processed.
 	 */
 	atomic_t		pm_only;
 
@@ -696,6 +692,18 @@
 	return q->mq_ops;
 }
 
+#ifdef CONFIG_PM
+static inline enum rpm_status queue_rpm_status(struct request_queue *q)
+{
+	return q->rpm_status;
+}
+#else
+static inline enum rpm_status queue_rpm_status(struct request_queue *q)
+{
+	return RPM_ACTIVE;
+}
+#endif
+
 static inline enum blk_zoned_model
 blk_queue_zoned_model(struct request_queue *q)
 {
diff --git a/include/linux/build_bug.h b/include/linux/build_bug.h
index 7bb66e1..e3a0be2 100644
--- a/include/linux/build_bug.h
+++ b/include/linux/build_bug.h
@@ -77,9 +77,4 @@
 #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
 #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
 
-#ifdef __GENKSYMS__
-/* genksyms gets confused by _Static_assert */
-#define _Static_assert(expr, ...)
-#endif
-
 #endif	/* _LINUX_BUILD_BUG_H */
diff --git a/include/linux/ceph/msgr.h b/include/linux/ceph/msgr.h
index f5e02f6..3989dcb 100644
--- a/include/linux/ceph/msgr.h
+++ b/include/linux/ceph/msgr.h
@@ -33,8 +33,8 @@
 #define CEPH_MSGR2_INCARNATION_1 (0ull)
 
 #define DEFINE_MSGR2_FEATURE(bit, incarnation, name)               \
-	static const uint64_t CEPH_MSGR2_FEATURE_##name = (1ULL << bit); \
-	static const uint64_t CEPH_MSGR2_FEATUREMASK_##name =            \
+	static const uint64_t __maybe_unused CEPH_MSGR2_FEATURE_##name = (1ULL << bit); \
+	static const uint64_t __maybe_unused CEPH_MSGR2_FEATUREMASK_##name =            \
 			(1ULL << bit | CEPH_MSGR2_INCARNATION_##incarnation);
 
 #define HAVE_MSGR2_FEATURE(x, name) \
diff --git a/include/linux/kdev_t.h b/include/linux/kdev_t.h
index 85b5151..4856706 100644
--- a/include/linux/kdev_t.h
+++ b/include/linux/kdev_t.h
@@ -21,61 +21,61 @@
 	})
 
 /* acceptable for old filesystems */
-static inline bool old_valid_dev(dev_t dev)
+static __always_inline bool old_valid_dev(dev_t dev)
 {
 	return MAJOR(dev) < 256 && MINOR(dev) < 256;
 }
 
-static inline u16 old_encode_dev(dev_t dev)
+static __always_inline u16 old_encode_dev(dev_t dev)
 {
 	return (MAJOR(dev) << 8) | MINOR(dev);
 }
 
-static inline dev_t old_decode_dev(u16 val)
+static __always_inline dev_t old_decode_dev(u16 val)
 {
 	return MKDEV((val >> 8) & 255, val & 255);
 }
 
-static inline u32 new_encode_dev(dev_t dev)
+static __always_inline u32 new_encode_dev(dev_t dev)
 {
 	unsigned major = MAJOR(dev);
 	unsigned minor = MINOR(dev);
 	return (minor & 0xff) | (major << 8) | ((minor & ~0xff) << 12);
 }
 
-static inline dev_t new_decode_dev(u32 dev)
+static __always_inline dev_t new_decode_dev(u32 dev)
 {
 	unsigned major = (dev & 0xfff00) >> 8;
 	unsigned minor = (dev & 0xff) | ((dev >> 12) & 0xfff00);
 	return MKDEV(major, minor);
 }
 
-static inline u64 huge_encode_dev(dev_t dev)
+static __always_inline u64 huge_encode_dev(dev_t dev)
 {
 	return new_encode_dev(dev);
 }
 
-static inline dev_t huge_decode_dev(u64 dev)
+static __always_inline dev_t huge_decode_dev(u64 dev)
 {
 	return new_decode_dev(dev);
 }
 
-static inline int sysv_valid_dev(dev_t dev)
+static __always_inline int sysv_valid_dev(dev_t dev)
 {
 	return MAJOR(dev) < (1<<14) && MINOR(dev) < (1<<18);
 }
 
-static inline u32 sysv_encode_dev(dev_t dev)
+static __always_inline u32 sysv_encode_dev(dev_t dev)
 {
 	return MINOR(dev) | (MAJOR(dev) << 18);
 }
 
-static inline unsigned sysv_major(u32 dev)
+static __always_inline unsigned sysv_major(u32 dev)
 {
 	return (dev >> 18) & 0x3fff;
 }
 
-static inline unsigned sysv_minor(u32 dev)
+static __always_inline unsigned sysv_minor(u32 dev)
 {
 	return dev & 0x3ffff;
 }
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 5299b90a..ecdf8a8 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -216,6 +216,13 @@
 		loff_t *);
 int overcommit_policy_handler(struct ctl_table *, int, void *, size_t *,
 		loff_t *);
+/*
+ * Any attempt to mark this function as static leads to build failure
+ * when CONFIG_DEBUG_INFO_BTF is enabled because __add_to_page_cache_locked()
+ * is referred to by BPF code. This must be visible for error injection.
+ */
+int __add_to_page_cache_locked(struct page *page, struct address_space *mapping,
+		pgoff_t index, gfp_t gfp, void **shadowp);
 
 #define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n))
 
@@ -2432,8 +2439,9 @@
 #endif
 
 extern void set_dma_reserve(unsigned long new_dma_reserve);
-extern void memmap_init_zone(unsigned long, int, unsigned long, unsigned long,
-		enum meminit_context, struct vmem_altmap *, int migratetype);
+extern void memmap_init_zone(unsigned long, int, unsigned long,
+		unsigned long, unsigned long, enum meminit_context,
+		struct vmem_altmap *, int migratetype);
 extern void setup_per_zone_wmarks(void);
 extern int __meminit init_per_zone_wmark_min(void);
 extern void mem_init(void);
diff --git a/include/linux/sizes.h b/include/linux/sizes.h
index 9874f6f..1ac79bc 100644
--- a/include/linux/sizes.h
+++ b/include/linux/sizes.h
@@ -44,6 +44,9 @@
 #define SZ_2G				0x80000000
 
 #define SZ_4G				_AC(0x100000000, ULL)
+#define SZ_8G				_AC(0x200000000, ULL)
+#define SZ_16G				_AC(0x400000000, ULL)
+#define SZ_32G				_AC(0x800000000, ULL)
 #define SZ_64T				_AC(0x400000000000, ULL)
 
 #endif /* __LINUX_SIZES_H__ */
diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c
index 191c329..32596fd 100644
--- a/kernel/cgroup/cgroup-v1.c
+++ b/kernel/cgroup/cgroup-v1.c
@@ -908,6 +908,8 @@
 	opt = fs_parse(fc, cgroup1_fs_parameters, param, &result);
 	if (opt == -ENOPARAM) {
 		if (strcmp(param->key, "source") == 0) {
+			if (fc->source)
+				return invalf(fc, "Multiple sources not supported");
 			fc->source = param->string;
 			param->string = NULL;
 			return 0;
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index fefa219..6138457 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -244,7 +244,7 @@
  *
  * The default hierarchy is the v2 interface of cgroup and this function
  * can be used to test whether a cgroup is on the default hierarchy for
- * cases where a subsystem should behave differnetly depending on the
+ * cases where a subsystem should behave differently depending on the
  * interface version.
  *
  * List of changed behaviors:
@@ -262,7 +262,7 @@
  *   "cgroup.procs" instead.
  *
  * - "cgroup.procs" is not sorted.  pids will be unique unless they got
- *   recycled inbetween reads.
+ *   recycled in-between reads.
  *
  * - "release_agent" and "notify_on_release" are removed.  Replacement
  *   notification mechanism will be implemented.
@@ -342,7 +342,7 @@
 	return !cgroup_parent(cgrp);
 }
 
-/* can @cgrp become a thread root? should always be true for a thread root */
+/* can @cgrp become a thread root? Should always be true for a thread root */
 static bool cgroup_can_be_thread_root(struct cgroup *cgrp)
 {
 	/* mixables don't care */
@@ -527,7 +527,7 @@
  * the root css is returned, so this function always returns a valid css.
  *
  * The returned css is not guaranteed to be online, and therefore it is the
- * callers responsiblity to tryget a reference for it.
+ * callers responsibility to try get a reference for it.
  */
 struct cgroup_subsys_state *cgroup_e_css(struct cgroup *cgrp,
 					 struct cgroup_subsys *ss)
@@ -699,7 +699,7 @@
 			;						\
 		else
 
-/* walk live descendants in preorder */
+/* walk live descendants in pre order */
 #define cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp)		\
 	css_for_each_descendant_pre((d_css), cgroup_css((cgrp), NULL))	\
 		if (({ lockdep_assert_held(&cgroup_mutex);		\
@@ -933,7 +933,7 @@
 
 	WARN_ON_ONCE(!list_empty(&cset->threaded_csets));
 
-	/* This css_set is dead. unlink it and release cgroup and css refs */
+	/* This css_set is dead. Unlink it and release cgroup and css refs */
 	for_each_subsys(ss, ssid) {
 		list_del(&cset->e_cset_node[ssid]);
 		css_put(cset->subsys[ssid]);
@@ -1058,7 +1058,7 @@
 
 	/*
 	 * Build the set of subsystem state objects that we want to see in the
-	 * new css_set. while subsystems can change globally, the entries here
+	 * new css_set. While subsystems can change globally, the entries here
 	 * won't change, so no need for locking.
 	 */
 	for_each_subsys(ss, i) {
@@ -1148,7 +1148,7 @@
 
 	/*
 	 * Always add links to the tail of the lists so that the lists are
-	 * in choronological order.
+	 * in chronological order.
 	 */
 	list_move_tail(&link->cset_link, &cgrp->cset_links);
 	list_add_tail(&link->cgrp_link, &cset->cgrp_links);
@@ -3654,7 +3654,7 @@
 
 static int cgroup_file_open(struct kernfs_open_file *of)
 {
-	struct cftype *cft = of->kn->priv;
+	struct cftype *cft = of_cft(of);
 
 	if (cft->open)
 		return cft->open(of);
@@ -3663,7 +3663,7 @@
 
 static void cgroup_file_release(struct kernfs_open_file *of)
 {
-	struct cftype *cft = of->kn->priv;
+	struct cftype *cft = of_cft(of);
 
 	if (cft->release)
 		cft->release(of);
@@ -3674,7 +3674,7 @@
 {
 	struct cgroup_namespace *ns = current->nsproxy->cgroup_ns;
 	struct cgroup *cgrp = of->kn->parent->priv;
-	struct cftype *cft = of->kn->priv;
+	struct cftype *cft = of_cft(of);
 	struct cgroup_subsys_state *css;
 	int ret;
 
@@ -3724,7 +3724,7 @@
 
 static __poll_t cgroup_file_poll(struct kernfs_open_file *of, poll_table *pt)
 {
-	struct cftype *cft = of->kn->priv;
+	struct cftype *cft = of_cft(of);
 
 	if (cft->poll)
 		return cft->poll(of, pt);
@@ -4134,7 +4134,7 @@
 	 * implies that if we observe !CSS_RELEASED on @pos in this RCU
 	 * critical section, the one pointed to by its next pointer is
 	 * guaranteed to not have finished its RCU grace period even if we
-	 * have dropped rcu_read_lock() inbetween iterations.
+	 * have dropped rcu_read_lock() in-between iterations.
 	 *
 	 * If @pos has CSS_RELEASED set, its next pointer can't be
 	 * dereferenced; however, as each css is given a monotonically
@@ -4382,7 +4382,7 @@
 }
 
 /**
- * css_task_iter_advance_css_set - advance a task itererator to the next css_set
+ * css_task_iter_advance_css_set - advance a task iterator to the next css_set
  * @it: the iterator to advance
  *
  * Advance @it to the next css_set to walk.
@@ -6308,7 +6308,7 @@
  *
  * Find the cgroup at @path on the default hierarchy, increment its
  * reference count and return it.  Returns pointer to the found cgroup on
- * success, ERR_PTR(-ENOENT) if @path doens't exist and ERR_PTR(-ENOTDIR)
+ * success, ERR_PTR(-ENOENT) if @path doesn't exist and ERR_PTR(-ENOTDIR)
  * if @path points to a non-directory.
  */
 struct cgroup *cgroup_get_from_path(const char *path)
diff --git a/kernel/exit.c b/kernel/exit.c
index 3594291..04029e3 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -63,6 +63,7 @@
 #include <linux/random.h>
 #include <linux/rcuwait.h>
 #include <linux/compat.h>
+#include <linux/io_uring.h>
 
 #include <linux/uaccess.h>
 #include <asm/unistd.h>
@@ -776,6 +777,7 @@
 		schedule();
 	}
 
+	io_uring_files_cancel(tsk->files);
 	exit_signals(tsk);  /* sets PF_EXITING */
 
 	/* sync mm's RSS info before statistics gathering */
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index b5295a0..9880b6c 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -3731,17 +3731,24 @@
 	 * is updated and visible.
 	 */
 	if (!freezable || !workqueue_freezing) {
+		bool kick = false;
+
 		pwq->max_active = wq->saved_max_active;
 
 		while (!list_empty(&pwq->delayed_works) &&
-		       pwq->nr_active < pwq->max_active)
+		       pwq->nr_active < pwq->max_active) {
 			pwq_activate_first_delayed(pwq);
+			kick = true;
+		}
 
 		/*
 		 * Need to kick a worker after thawed or an unbound wq's
-		 * max_active is bumped.  It's a slow path.  Do it always.
+		 * max_active is bumped. In realtime scenarios, always kicking a
+		 * worker will cause interference on the isolated cpu cores, so
+		 * let's kick iff work items were activated.
 		 */
-		wake_up_worker(pwq->pool);
+		if (kick)
+			wake_up_worker(pwq->pool);
 	} else {
 		pwq->max_active = 0;
 	}
diff --git a/lib/genalloc.c b/lib/genalloc.c
index 7f1244b..dab97bb 100644
--- a/lib/genalloc.c
+++ b/lib/genalloc.c
@@ -81,14 +81,14 @@
  * users set the same bit, one user will return remain bits, otherwise
  * return 0.
  */
-static int bitmap_set_ll(unsigned long *map, int start, int nr)
+static int bitmap_set_ll(unsigned long *map, unsigned long start, unsigned long nr)
 {
 	unsigned long *p = map + BIT_WORD(start);
-	const int size = start + nr;
+	const unsigned long size = start + nr;
 	int bits_to_set = BITS_PER_LONG - (start % BITS_PER_LONG);
 	unsigned long mask_to_set = BITMAP_FIRST_WORD_MASK(start);
 
-	while (nr - bits_to_set >= 0) {
+	while (nr >= bits_to_set) {
 		if (set_bits_ll(p, mask_to_set))
 			return nr;
 		nr -= bits_to_set;
@@ -116,14 +116,15 @@
  * users clear the same bit, one user will return remain bits,
  * otherwise return 0.
  */
-static int bitmap_clear_ll(unsigned long *map, int start, int nr)
+static unsigned long
+bitmap_clear_ll(unsigned long *map, unsigned long start, unsigned long nr)
 {
 	unsigned long *p = map + BIT_WORD(start);
-	const int size = start + nr;
+	const unsigned long size = start + nr;
 	int bits_to_clear = BITS_PER_LONG - (start % BITS_PER_LONG);
 	unsigned long mask_to_clear = BITMAP_FIRST_WORD_MASK(start);
 
-	while (nr - bits_to_clear >= 0) {
+	while (nr >= bits_to_clear) {
 		if (clear_bits_ll(p, mask_to_clear))
 			return nr;
 		nr -= bits_to_clear;
@@ -183,8 +184,8 @@
 		 size_t size, int nid, void *owner)
 {
 	struct gen_pool_chunk *chunk;
-	int nbits = size >> pool->min_alloc_order;
-	int nbytes = sizeof(struct gen_pool_chunk) +
+	unsigned long nbits = size >> pool->min_alloc_order;
+	unsigned long nbytes = sizeof(struct gen_pool_chunk) +
 				BITS_TO_LONGS(nbits) * sizeof(long);
 
 	chunk = vzalloc_node(nbytes, nid);
@@ -242,7 +243,7 @@
 	struct list_head *_chunk, *_next_chunk;
 	struct gen_pool_chunk *chunk;
 	int order = pool->min_alloc_order;
-	int bit, end_bit;
+	unsigned long bit, end_bit;
 
 	list_for_each_safe(_chunk, _next_chunk, &pool->chunks) {
 		chunk = list_entry(_chunk, struct gen_pool_chunk, next_chunk);
@@ -278,7 +279,7 @@
 	struct gen_pool_chunk *chunk;
 	unsigned long addr = 0;
 	int order = pool->min_alloc_order;
-	int nbits, start_bit, end_bit, remain;
+	unsigned long nbits, start_bit, end_bit, remain;
 
 #ifndef CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG
 	BUG_ON(in_nmi());
@@ -487,7 +488,7 @@
 {
 	struct gen_pool_chunk *chunk;
 	int order = pool->min_alloc_order;
-	int start_bit, nbits, remain;
+	unsigned long start_bit, nbits, remain;
 
 #ifndef CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG
 	BUG_ON(in_nmi());
@@ -755,7 +756,7 @@
 	index = bitmap_find_next_zero_area(map, size, start, nr, 0);
 
 	while (index < size) {
-		int next_bit = find_next_bit(map, size, index + nr);
+		unsigned long next_bit = find_next_bit(map, size, index + nr);
 		if ((next_bit - index) < len) {
 			len = next_bit - index;
 			start_bit = index;
diff --git a/lib/zlib_dfltcc/Makefile b/lib/zlib_dfltcc/Makefile
index 8e4d5af..66e1c96 100644
--- a/lib/zlib_dfltcc/Makefile
+++ b/lib/zlib_dfltcc/Makefile
@@ -8,4 +8,4 @@
 
 obj-$(CONFIG_ZLIB_DFLTCC) += zlib_dfltcc.o
 
-zlib_dfltcc-objs := dfltcc.o dfltcc_deflate.o dfltcc_inflate.o dfltcc_syms.o
+zlib_dfltcc-objs := dfltcc.o dfltcc_deflate.o dfltcc_inflate.o
diff --git a/lib/zlib_dfltcc/dfltcc.c b/lib/zlib_dfltcc/dfltcc.c
index c30de43..782f76e 100644
--- a/lib/zlib_dfltcc/dfltcc.c
+++ b/lib/zlib_dfltcc/dfltcc.c
@@ -1,7 +1,8 @@
 // SPDX-License-Identifier: Zlib
 /* dfltcc.c - SystemZ DEFLATE CONVERSION CALL support. */
 
-#include <linux/zutil.h>
+#include <linux/export.h>
+#include <linux/module.h>
 #include "dfltcc_util.h"
 #include "dfltcc.h"
 
@@ -53,3 +54,6 @@
     dfltcc_state->dht_threshold = DFLTCC_DHT_MIN_SAMPLE_SIZE;
     dfltcc_state->param.ribm = DFLTCC_RIBM;
 }
+EXPORT_SYMBOL(dfltcc_reset);
+
+MODULE_LICENSE("GPL");
diff --git a/lib/zlib_dfltcc/dfltcc_deflate.c b/lib/zlib_dfltcc/dfltcc_deflate.c
index 00c1851..6c946e8 100644
--- a/lib/zlib_dfltcc/dfltcc_deflate.c
+++ b/lib/zlib_dfltcc/dfltcc_deflate.c
@@ -4,6 +4,7 @@
 #include "dfltcc_util.h"
 #include "dfltcc.h"
 #include <asm/setup.h>
+#include <linux/export.h>
 #include <linux/zutil.h>
 
 /*
@@ -34,6 +35,7 @@
 
     return 1;
 }
+EXPORT_SYMBOL(dfltcc_can_deflate);
 
 static void dfltcc_gdht(
     z_streamp strm
@@ -277,3 +279,4 @@
         goto again; /* deflate() must use all input or all output */
     return 1;
 }
+EXPORT_SYMBOL(dfltcc_deflate);
diff --git a/lib/zlib_dfltcc/dfltcc_inflate.c b/lib/zlib_dfltcc/dfltcc_inflate.c
index db10701..fb60b5a 100644
--- a/lib/zlib_dfltcc/dfltcc_inflate.c
+++ b/lib/zlib_dfltcc/dfltcc_inflate.c
@@ -125,7 +125,7 @@
     param->ho = (state->write - state->whave) & ((1 << HB_BITS) - 1);
     if (param->hl)
         param->nt = 0; /* Honor history for the first block */
-    param->cv = state->flags ? REVERSE(state->check) : state->check;
+    param->cv = state->check;
 
     /* Inflate */
     do {
@@ -138,7 +138,7 @@
     state->bits = param->sbb;
     state->whave = param->hl;
     state->write = (param->ho + param->hl) & ((1 << HB_BITS) - 1);
-    state->check = state->flags ? REVERSE(param->cv) : param->cv;
+    state->check = param->cv;
     if (cc == DFLTCC_CC_OP2_CORRUPT && param->oesc != 0) {
         /* Report an error if stream is corrupted */
         state->mode = BAD;
diff --git a/lib/zlib_dfltcc/dfltcc_syms.c b/lib/zlib_dfltcc/dfltcc_syms.c
deleted file mode 100644
index 6f23481..0000000
--- a/lib/zlib_dfltcc/dfltcc_syms.c
+++ /dev/null
@@ -1,17 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * linux/lib/zlib_dfltcc/dfltcc_syms.c
- *
- * Exported symbols for the s390 zlib dfltcc support.
- *
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/zlib.h>
-#include "dfltcc.h"
-
-EXPORT_SYMBOL(dfltcc_can_deflate);
-EXPORT_SYMBOL(dfltcc_deflate);
-EXPORT_SYMBOL(dfltcc_reset);
-MODULE_LICENSE("GPL");
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index cbf32d2..a260296 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -4105,10 +4105,30 @@
 		 * may get SIGKILLed if it later faults.
 		 */
 		if (outside_reserve) {
+			struct address_space *mapping = vma->vm_file->f_mapping;
+			pgoff_t idx;
+			u32 hash;
+
 			put_page(old_page);
 			BUG_ON(huge_pte_none(pte));
+			/*
+			 * Drop hugetlb_fault_mutex and i_mmap_rwsem before
+			 * unmapping.  unmapping needs to hold i_mmap_rwsem
+			 * in write mode.  Dropping i_mmap_rwsem in read mode
+			 * here is OK as COW mappings do not interact with
+			 * PMD sharing.
+			 *
+			 * Reacquire both after unmap operation.
+			 */
+			idx = vma_hugecache_offset(h, vma, haddr);
+			hash = hugetlb_fault_mutex_hash(mapping, idx);
+			mutex_unlock(&hugetlb_fault_mutex_table[hash]);
+			i_mmap_unlock_read(mapping);
+
 			unmap_ref_private(mm, vma, old_page, haddr);
-			BUG_ON(huge_pte_none(pte));
+
+			i_mmap_lock_read(mapping);
+			mutex_lock(&hugetlb_fault_mutex_table[hash]);
 			spin_lock(ptl);
 			ptep = huge_pte_offset(mm, haddr, huge_page_size(h));
 			if (likely(ptep &&
diff --git a/mm/kasan/generic.c b/mm/kasan/generic.c
index 1dd5a0f..5106b84 100644
--- a/mm/kasan/generic.c
+++ b/mm/kasan/generic.c
@@ -337,6 +337,8 @@
 	cache = page->slab_cache;
 	object = nearest_obj(cache, page, addr);
 	alloc_meta = kasan_get_alloc_meta(cache, object);
+	if (!alloc_meta)
+		return;
 
 	alloc_meta->aux_stack[1] = alloc_meta->aux_stack[0];
 	alloc_meta->aux_stack[0] = kasan_save_stack(GFP_NOWAIT);
diff --git a/mm/memory.c b/mm/memory.c
index 7d60876..feff48e 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2892,11 +2892,13 @@
 		entry = mk_pte(new_page, vma->vm_page_prot);
 		entry = pte_sw_mkyoung(entry);
 		entry = maybe_mkwrite(pte_mkdirty(entry), vma);
+
 		/*
 		 * Clear the pte entry and flush it first, before updating the
-		 * pte with the new entry. This will avoid a race condition
-		 * seen in the presence of one thread doing SMC and another
-		 * thread doing COW.
+		 * pte with the new entry, to keep TLBs on different CPUs in
+		 * sync. This code used to set the new PTE then flush TLBs, but
+		 * that left a window where the new PTE could be loaded into
+		 * some TLBs while the old PTE remains in others.
 		 */
 		ptep_clear_flush_notify(vma, vmf->address, vmf->pte);
 		page_add_new_anon_rmap(new_page, vma, vmf->address, false);
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index af41fb9..f9d57b9 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -713,7 +713,7 @@
 	 * expects the zone spans the pfn range. All the pages in the range
 	 * are reserved so nobody should be touching them so we should be safe
 	 */
-	memmap_init_zone(nr_pages, nid, zone_idx(zone), start_pfn,
+	memmap_init_zone(nr_pages, nid, zone_idx(zone), start_pfn, 0,
 			 MEMINIT_HOTPLUG, altmap, migratetype);
 
 	set_zone_contiguous(zone);
diff --git a/mm/mremap.c b/mm/mremap.c
index c5590af..f554320 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -358,7 +358,9 @@
 
 	next = (old_addr + size) & mask;
 	/* even if next overflowed, extent below will be ok */
-	extent = (next > old_end) ? old_end - old_addr : next - old_addr;
+	extent = next - old_addr;
+	if (extent > old_end - old_addr)
+		extent = old_end - old_addr;
 	next = (new_addr + size) & mask;
 	if (extent > next - new_addr)
 		extent = next - new_addr;
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 7a2c89b..bdbec4c 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -423,6 +423,8 @@
 	if (end_pfn < pgdat_end_pfn(NODE_DATA(nid)))
 		return false;
 
+	if (NODE_DATA(nid)->first_deferred_pfn != ULONG_MAX)
+		return true;
 	/*
 	 * We start only with one section of pages, more pages are added as
 	 * needed until the rest of deferred pages are initialized.
@@ -6116,7 +6118,7 @@
  * zone stats (e.g., nr_isolate_pageblock) are touched.
  */
 void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone,
-		unsigned long start_pfn,
+		unsigned long start_pfn, unsigned long zone_end_pfn,
 		enum meminit_context context,
 		struct vmem_altmap *altmap, int migratetype)
 {
@@ -6152,7 +6154,7 @@
 		if (context == MEMINIT_EARLY) {
 			if (overlap_memmap_init(zone, &pfn))
 				continue;
-			if (defer_init(nid, pfn, end_pfn))
+			if (defer_init(nid, pfn, zone_end_pfn))
 				break;
 		}
 
@@ -6266,7 +6268,7 @@
 
 		if (end_pfn > start_pfn) {
 			size = end_pfn - start_pfn;
-			memmap_init_zone(size, nid, zone, start_pfn,
+			memmap_init_zone(size, nid, zone, start_pfn, range_end_pfn,
 					 MEMINIT_EARLY, NULL, MIGRATE_MOVABLE);
 		}
 	}
diff --git a/mm/slub.c b/mm/slub.c
index 0c8b43a..dc5b42e 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1619,9 +1619,6 @@
 	else
 		page = __alloc_pages_node(node, flags, order);
 
-	if (page)
-		account_slab_page(page, order, s);
-
 	return page;
 }
 
@@ -1774,6 +1771,8 @@
 
 	page->objects = oo_objects(oo);
 
+	account_slab_page(page, oo_order(oo), s);
+
 	page->slab_cache = s;
 	__SetPageSlab(page);
 	if (page_is_pfmemalloc(page))
diff --git a/net/ceph/messenger_v2.c b/net/ceph/messenger_v2.c
index c1ebb2a..c38d8de 100644
--- a/net/ceph/messenger_v2.c
+++ b/net/ceph/messenger_v2.c
@@ -1333,7 +1333,8 @@
 	void *buf;
 	int ret;
 
-	buf = alloc_conn_buf(con, head_onwire_len(SHA256_DIGEST_SIZE, false));
+	buf = alloc_conn_buf(con, head_onwire_len(SHA256_DIGEST_SIZE,
+						  con_secure(con)));
 	if (!buf)
 		return -ENOMEM;
 
@@ -2032,10 +2033,18 @@
 	return -EINVAL;
 }
 
+/*
+ * Align session_key and con_secret to avoid GFP_ATOMIC allocation
+ * inside crypto_shash_setkey() and crypto_aead_setkey() called from
+ * setup_crypto().  __aligned(16) isn't guaranteed to work for stack
+ * objects, so do it by hand.
+ */
 static int process_auth_done(struct ceph_connection *con, void *p, void *end)
 {
-	u8 session_key[CEPH_KEY_LEN];
-	u8 con_secret[CEPH_MAX_CON_SECRET_LEN];
+	u8 session_key_buf[CEPH_KEY_LEN + 16];
+	u8 con_secret_buf[CEPH_MAX_CON_SECRET_LEN + 16];
+	u8 *session_key = PTR_ALIGN(&session_key_buf[0], 16);
+	u8 *con_secret = PTR_ALIGN(&con_secret_buf[0], 16);
 	int session_key_len, con_secret_len;
 	int payload_len;
 	u64 global_id;
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 0008530..92e888e 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -6646,6 +6646,12 @@
 #			}
 #		}
 
+# strlcpy uses that should likely be strscpy
+		if ($line =~ /\bstrlcpy\s*\(/) {
+			WARN("STRLCPY",
+			     "Prefer strscpy over strlcpy - see: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw\@mail.gmail.com/\n" . $herecurr);
+		}
+
 # typecasts on min/max could be min_t/max_t
 		if ($perl_version_ok &&
 		    defined $stat &&
diff --git a/scripts/depmod.sh b/scripts/depmod.sh
index e083bca..3643b4f 100755
--- a/scripts/depmod.sh
+++ b/scripts/depmod.sh
@@ -15,6 +15,8 @@
 	exit 0
 fi
 
+# legacy behavior: "depmod" in /sbin, no /sbin in PATH
+PATH="$PATH:/sbin"
 if [ -z $(command -v $DEPMOD) ]; then
 	echo "Warning: 'make modules_install' requires $DEPMOD. Please install it." >&2
 	echo "This is probably in the kmod package." >&2
diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile
index 9a25307..d42115e 100644
--- a/tools/testing/selftests/vm/Makefile
+++ b/tools/testing/selftests/vm/Makefile
@@ -4,7 +4,7 @@
 include local_config.mk
 
 uname_M := $(shell uname -m 2>/dev/null || echo not)
-MACHINE ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/')
+MACHINE ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/' -e 's/ppc64.*/ppc64/')
 
 # Without this, failed build products remain, with up-to-date timestamps,
 # thus tricking Make (and you!) into believing that All Is Well, in subsequent
@@ -43,7 +43,7 @@
 TEST_GEN_FILES += transhuge-stress
 TEST_GEN_FILES += userfaultfd
 
-ifeq ($(ARCH),x86_64)
+ifeq ($(MACHINE),x86_64)
 CAN_BUILD_I386 := $(shell ./../x86/check_cc.sh $(CC) ../x86/trivial_32bit_program.c -m32)
 CAN_BUILD_X86_64 := $(shell ./../x86/check_cc.sh $(CC) ../x86/trivial_64bit_program.c)
 CAN_BUILD_WITH_NOPIE := $(shell ./../x86/check_cc.sh $(CC) ../x86/trivial_program.c -no-pie)
@@ -65,13 +65,13 @@
 endif
 else
 
-ifneq (,$(findstring $(ARCH),powerpc))
+ifneq (,$(findstring $(MACHINE),ppc64))
 TEST_GEN_FILES += protection_keys
 endif
 
 endif
 
-ifneq (,$(filter $(MACHINE),arm64 ia64 mips64 parisc64 ppc64 ppc64le riscv64 s390x sh64 sparc64 x86_64))
+ifneq (,$(filter $(MACHINE),arm64 ia64 mips64 parisc64 ppc64 riscv64 s390x sh64 sparc64 x86_64))
 TEST_GEN_FILES += va_128TBswitch
 TEST_GEN_FILES += virtual_address_range
 TEST_GEN_FILES += write_to_hugetlbfs
@@ -84,7 +84,7 @@
 KSFT_KHDR_INSTALL := 1
 include ../lib.mk
 
-ifeq ($(ARCH),x86_64)
+ifeq ($(MACHINE),x86_64)
 BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32))
 BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64))