diff --git linux-libre-5.8.3-gnu/Makefile linux-libre-5.8.4-gnu/Makefile
index 783c05e028b1..9f68a6370860 100644
--- linux-libre-5.8.3-gnu/Makefile
+++ linux-libre-5.8.4-gnu/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 8
-SUBLEVEL = 3
+SUBLEVEL = 4
 EXTRAVERSION = -gnu
 NAME = Kleptomaniac Octopus
 
diff --git linux-libre-5.8.3-gnu/arch/alpha/include/asm/io.h linux-libre-5.8.4-gnu/arch/alpha/include/asm/io.h
index a4d0c19f1e79..640e1a2f57b4 100644
--- linux-libre-5.8.3-gnu/arch/alpha/include/asm/io.h
+++ linux-libre-5.8.4-gnu/arch/alpha/include/asm/io.h
@@ -489,10 +489,10 @@ extern inline void writeq(u64 b, volatile void __iomem *addr)
 }
 #endif
 
-#define ioread16be(p) be16_to_cpu(ioread16(p))
-#define ioread32be(p) be32_to_cpu(ioread32(p))
-#define iowrite16be(v,p) iowrite16(cpu_to_be16(v), (p))
-#define iowrite32be(v,p) iowrite32(cpu_to_be32(v), (p))
+#define ioread16be(p) swab16(ioread16(p))
+#define ioread32be(p) swab32(ioread32(p))
+#define iowrite16be(v,p) iowrite16(swab16(v), (p))
+#define iowrite32be(v,p) iowrite32(swab32(v), (p))
 
 #define inb_p		inb
 #define inw_p		inw
diff --git linux-libre-5.8.3-gnu/arch/arm64/Makefile linux-libre-5.8.4-gnu/arch/arm64/Makefile
index 70f5905954dd..91e377770a6b 100644
--- linux-libre-5.8.3-gnu/arch/arm64/Makefile
+++ linux-libre-5.8.4-gnu/arch/arm64/Makefile
@@ -158,6 +158,7 @@ zinstall install:
 PHONY += vdso_install
 vdso_install:
 	$(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso $@
+	$(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso32 $@
 
 # We use MRPROPER_FILES and CLEAN_FILES now
 archclean:
diff --git linux-libre-5.8.3-gnu/arch/arm64/include/asm/kvm_host.h linux-libre-5.8.4-gnu/arch/arm64/include/asm/kvm_host.h
index e21d4a01372f..759d62343e1d 100644
--- linux-libre-5.8.3-gnu/arch/arm64/include/asm/kvm_host.h
+++ linux-libre-5.8.4-gnu/arch/arm64/include/asm/kvm_host.h
@@ -443,7 +443,7 @@ int __kvm_arm_vcpu_set_events(struct kvm_vcpu *vcpu,
 
 #define KVM_ARCH_WANT_MMU_NOTIFIER
 int kvm_unmap_hva_range(struct kvm *kvm,
-			unsigned long start, unsigned long end);
+			unsigned long start, unsigned long end, unsigned flags);
 int kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
 int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end);
 int kvm_test_age_hva(struct kvm *kvm, unsigned long hva);
diff --git linux-libre-5.8.3-gnu/arch/arm64/kernel/vdso32/Makefile linux-libre-5.8.4-gnu/arch/arm64/kernel/vdso32/Makefile
index 5139a5f19256..d6adb4677c25 100644
--- linux-libre-5.8.3-gnu/arch/arm64/kernel/vdso32/Makefile
+++ linux-libre-5.8.4-gnu/arch/arm64/kernel/vdso32/Makefile
@@ -208,7 +208,7 @@ quiet_cmd_vdsosym = VDSOSYM $@
       cmd_vdsosym = $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@
 
 # Install commands for the unstripped file
-quiet_cmd_vdso_install = INSTALL $@
+quiet_cmd_vdso_install = INSTALL32 $@
       cmd_vdso_install = cp $(obj)/$@.dbg $(MODLIB)/vdso/vdso32.so
 
 vdso.so: $(obj)/vdso.so.dbg
diff --git linux-libre-5.8.3-gnu/arch/arm64/kvm/mmu.c linux-libre-5.8.4-gnu/arch/arm64/kvm/mmu.c
index 31058e6e7c2a..bd47f06739d6 100644
--- linux-libre-5.8.3-gnu/arch/arm64/kvm/mmu.c
+++ linux-libre-5.8.4-gnu/arch/arm64/kvm/mmu.c
@@ -365,7 +365,8 @@ static void unmap_stage2_p4ds(struct kvm *kvm, pgd_t *pgd,
  * destroying the VM), otherwise another faulting VCPU may come in and mess
  * with things behind our backs.
  */
-static void unmap_stage2_range(struct kvm *kvm, phys_addr_t start, u64 size)
+static void __unmap_stage2_range(struct kvm *kvm, phys_addr_t start, u64 size,
+				 bool may_block)
 {
 	pgd_t *pgd;
 	phys_addr_t addr = start, end = start + size;
@@ -390,11 +391,16 @@ static void unmap_stage2_range(struct kvm *kvm, phys_addr_t start, u64 size)
 		 * If the range is too large, release the kvm->mmu_lock
 		 * to prevent starvation and lockup detector warnings.
 		 */
-		if (next != end)
+		if (may_block && next != end)
 			cond_resched_lock(&kvm->mmu_lock);
 	} while (pgd++, addr = next, addr != end);
 }
 
+static void unmap_stage2_range(struct kvm *kvm, phys_addr_t start, u64 size)
+{
+	__unmap_stage2_range(kvm, start, size, true);
+}
+
 static void stage2_flush_ptes(struct kvm *kvm, pmd_t *pmd,
 			      phys_addr_t addr, phys_addr_t end)
 {
@@ -2198,18 +2204,21 @@ static int handle_hva_to_gpa(struct kvm *kvm,
 
 static int kvm_unmap_hva_handler(struct kvm *kvm, gpa_t gpa, u64 size, void *data)
 {
-	unmap_stage2_range(kvm, gpa, size);
+	unsigned flags = *(unsigned *)data;
+	bool may_block = flags & MMU_NOTIFIER_RANGE_BLOCKABLE;
+
+	__unmap_stage2_range(kvm, gpa, size, may_block);
 	return 0;
 }
 
 int kvm_unmap_hva_range(struct kvm *kvm,
-			unsigned long start, unsigned long end)
+			unsigned long start, unsigned long end, unsigned flags)
 {
 	if (!kvm->arch.pgd)
 		return 0;
 
 	trace_kvm_unmap_hva_range(start, end);
-	handle_hva_to_gpa(kvm, start, end, &kvm_unmap_hva_handler, NULL);
+	handle_hva_to_gpa(kvm, start, end, &kvm_unmap_hva_handler, &flags);
 	return 0;
 }
 
diff --git linux-libre-5.8.3-gnu/arch/ia64/include/asm/pgtable.h linux-libre-5.8.4-gnu/arch/ia64/include/asm/pgtable.h
index 10850897a91c..779b6972aa84 100644
--- linux-libre-5.8.3-gnu/arch/ia64/include/asm/pgtable.h
+++ linux-libre-5.8.4-gnu/arch/ia64/include/asm/pgtable.h
@@ -366,6 +366,15 @@ pgd_index (unsigned long address)
 }
 #define pgd_index pgd_index
 
+/*
+ * In the kernel's mapped region we know everything is in region number 5, so
+ * as an optimisation its PGD already points to the area for that region.
+ * However, this also means that we cannot use pgd_index() and we must
+ * never add the region here.
+ */
+#define pgd_offset_k(addr) \
+	(init_mm.pgd + (((addr) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1)))
+
 /* Look up a pgd entry in the gate area.  On IA-64, the gate-area
    resides in the kernel-mapped segment, hence we use pgd_offset_k()
    here.  */
diff --git linux-libre-5.8.3-gnu/arch/m68k/include/asm/m53xxacr.h linux-libre-5.8.4-gnu/arch/m68k/include/asm/m53xxacr.h
index 9138a624c5c8..692f90e7fecc 100644
--- linux-libre-5.8.3-gnu/arch/m68k/include/asm/m53xxacr.h
+++ linux-libre-5.8.4-gnu/arch/m68k/include/asm/m53xxacr.h
@@ -89,9 +89,9 @@
  * coherency though in all cases. And for copyback caches we will need
  * to push cached data as well.
  */
-#define CACHE_INIT	  CACR_CINVA
-#define CACHE_INVALIDATE  CACR_CINVA
-#define CACHE_INVALIDATED CACR_CINVA
+#define CACHE_INIT        (CACHE_MODE + CACR_CINVA - CACR_EC)
+#define CACHE_INVALIDATE  (CACHE_MODE + CACR_CINVA)
+#define CACHE_INVALIDATED (CACHE_MODE + CACR_CINVA)
 
 #define ACR0_MODE	((CONFIG_RAMBASE & 0xff000000) + \
 			 (0x000f0000) + \
diff --git linux-libre-5.8.3-gnu/arch/mips/include/asm/kvm_host.h linux-libre-5.8.4-gnu/arch/mips/include/asm/kvm_host.h
index 363e7a89d173..ef1d25d49ec8 100644
--- linux-libre-5.8.3-gnu/arch/mips/include/asm/kvm_host.h
+++ linux-libre-5.8.4-gnu/arch/mips/include/asm/kvm_host.h
@@ -981,7 +981,7 @@ enum kvm_mips_fault_result kvm_trap_emul_gva_fault(struct kvm_vcpu *vcpu,
 
 #define KVM_ARCH_WANT_MMU_NOTIFIER
 int kvm_unmap_hva_range(struct kvm *kvm,
-			unsigned long start, unsigned long end);
+			unsigned long start, unsigned long end, unsigned flags);
 int kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
 int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end);
 int kvm_test_age_hva(struct kvm *kvm, unsigned long hva);
diff --git linux-libre-5.8.3-gnu/arch/mips/kernel/setup.c linux-libre-5.8.4-gnu/arch/mips/kernel/setup.c
index 7b537fa2035d..588b21245e00 100644
--- linux-libre-5.8.3-gnu/arch/mips/kernel/setup.c
+++ linux-libre-5.8.4-gnu/arch/mips/kernel/setup.c
@@ -497,7 +497,7 @@ static void __init mips_parse_crashkernel(void)
 	if (ret != 0 || crash_size <= 0)
 		return;
 
-	if (!memblock_find_in_range(crash_base, crash_base + crash_size, crash_size, 0)) {
+	if (!memblock_find_in_range(crash_base, crash_base + crash_size, crash_size, 1)) {
 		pr_warn("Invalid memory region reserved for crash kernel\n");
 		return;
 	}
diff --git linux-libre-5.8.3-gnu/arch/mips/kvm/mmu.c linux-libre-5.8.4-gnu/arch/mips/kvm/mmu.c
index 49bd160f4d85..0783ac9b3240 100644
--- linux-libre-5.8.3-gnu/arch/mips/kvm/mmu.c
+++ linux-libre-5.8.4-gnu/arch/mips/kvm/mmu.c
@@ -518,7 +518,8 @@ static int kvm_unmap_hva_handler(struct kvm *kvm, gfn_t gfn, gfn_t gfn_end,
 	return 1;
 }
 
-int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end)
+int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end,
+			unsigned flags)
 {
 	handle_hva_to_gpa(kvm, start, end, &kvm_unmap_hva_handler, NULL);
 
diff --git linux-libre-5.8.3-gnu/arch/powerpc/include/asm/fixmap.h linux-libre-5.8.4-gnu/arch/powerpc/include/asm/fixmap.h
index 925cf89cbf4b..6bfc87915d5d 100644
--- linux-libre-5.8.3-gnu/arch/powerpc/include/asm/fixmap.h
+++ linux-libre-5.8.4-gnu/arch/powerpc/include/asm/fixmap.h
@@ -52,7 +52,7 @@ enum fixed_addresses {
 	FIX_HOLE,
 	/* reserve the top 128K for early debugging purposes */
 	FIX_EARLY_DEBUG_TOP = FIX_HOLE,
-	FIX_EARLY_DEBUG_BASE = FIX_EARLY_DEBUG_TOP+(ALIGN(SZ_128, PAGE_SIZE)/PAGE_SIZE)-1,
+	FIX_EARLY_DEBUG_BASE = FIX_EARLY_DEBUG_TOP+(ALIGN(SZ_128K, PAGE_SIZE)/PAGE_SIZE)-1,
 #ifdef CONFIG_HIGHMEM
 	FIX_KMAP_BEGIN,	/* reserved pte's for temporary kernel mappings */
 	FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1,
diff --git linux-libre-5.8.3-gnu/arch/powerpc/include/asm/kvm_host.h linux-libre-5.8.4-gnu/arch/powerpc/include/asm/kvm_host.h
index 7e2d061d0445..bccf0ba2da2e 100644
--- linux-libre-5.8.3-gnu/arch/powerpc/include/asm/kvm_host.h
+++ linux-libre-5.8.4-gnu/arch/powerpc/include/asm/kvm_host.h
@@ -58,7 +58,8 @@
 #define KVM_ARCH_WANT_MMU_NOTIFIER
 
 extern int kvm_unmap_hva_range(struct kvm *kvm,
-			       unsigned long start, unsigned long end);
+			       unsigned long start, unsigned long end,
+			       unsigned flags);
 extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end);
 extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva);
 extern int kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
diff --git linux-libre-5.8.3-gnu/arch/powerpc/kernel/setup-common.c linux-libre-5.8.4-gnu/arch/powerpc/kernel/setup-common.c
index 9d3faac53295..5ed658ae121a 100644
--- linux-libre-5.8.3-gnu/arch/powerpc/kernel/setup-common.c
+++ linux-libre-5.8.4-gnu/arch/powerpc/kernel/setup-common.c
@@ -311,6 +311,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 				min = pvr & 0xFF;
 				break;
 			case 0x004e: /* POWER9 bits 12-15 give chip type */
+			case 0x0080: /* POWER10 bit 12 gives SMT8/4 */
 				maj = (pvr >> 8) & 0x0F;
 				min = pvr & 0xFF;
 				break;
diff --git linux-libre-5.8.3-gnu/arch/powerpc/kvm/book3s.c linux-libre-5.8.4-gnu/arch/powerpc/kvm/book3s.c
index 41fedec69ac3..49db50d1db04 100644
--- linux-libre-5.8.3-gnu/arch/powerpc/kvm/book3s.c
+++ linux-libre-5.8.4-gnu/arch/powerpc/kvm/book3s.c
@@ -834,7 +834,8 @@ void kvmppc_core_commit_memory_region(struct kvm *kvm,
 	kvm->arch.kvm_ops->commit_memory_region(kvm, mem, old, new, change);
 }
 
-int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end)
+int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end,
+			unsigned flags)
 {
 	return kvm->arch.kvm_ops->unmap_hva_range(kvm, start, end);
 }
diff --git linux-libre-5.8.3-gnu/arch/powerpc/kvm/e500_mmu_host.c linux-libre-5.8.4-gnu/arch/powerpc/kvm/e500_mmu_host.c
index d6c1069e9954..ed0c9c43d0cf 100644
--- linux-libre-5.8.3-gnu/arch/powerpc/kvm/e500_mmu_host.c
+++ linux-libre-5.8.4-gnu/arch/powerpc/kvm/e500_mmu_host.c
@@ -734,7 +734,8 @@ static int kvm_unmap_hva(struct kvm *kvm, unsigned long hva)
 	return 0;
 }
 
-int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end)
+int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end,
+			unsigned flags)
 {
 	/* kvm_unmap_hva flushes everything anyways */
 	kvm_unmap_hva(kvm, start);
diff --git linux-libre-5.8.3-gnu/arch/powerpc/platforms/pseries/hotplug-cpu.c linux-libre-5.8.4-gnu/arch/powerpc/platforms/pseries/hotplug-cpu.c
index 6d4ee03d476a..ec04fc7f5a64 100644
--- linux-libre-5.8.3-gnu/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ linux-libre-5.8.4-gnu/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -107,22 +107,28 @@ static int pseries_cpu_disable(void)
  */
 static void pseries_cpu_die(unsigned int cpu)
 {
-	int tries;
 	int cpu_status = 1;
 	unsigned int pcpu = get_hard_smp_processor_id(cpu);
+	unsigned long timeout = jiffies + msecs_to_jiffies(120000);
 
-	for (tries = 0; tries < 25; tries++) {
+	while (true) {
 		cpu_status = smp_query_cpu_stopped(pcpu);
 		if (cpu_status == QCSS_STOPPED ||
 		    cpu_status == QCSS_HARDWARE_ERROR)
 			break;
-		cpu_relax();
 
+		if (time_after(jiffies, timeout)) {
+			pr_warn("CPU %i (hwid %i) didn't die after 120 seconds\n",
+				cpu, pcpu);
+			timeout = jiffies + msecs_to_jiffies(120000);
+		}
+
+		cond_resched();
 	}
 
-	if (cpu_status != 0) {
-		printk("Querying DEAD? cpu %i (%i) shows %i\n",
-		       cpu, pcpu, cpu_status);
+	if (cpu_status == QCSS_HARDWARE_ERROR) {
+		pr_warn("CPU %i (hwid %i) reported error while dying\n",
+			cpu, pcpu);
 	}
 
 	/* Isolation and deallocation are definitely done by
diff --git linux-libre-5.8.3-gnu/arch/powerpc/platforms/pseries/ras.c linux-libre-5.8.4-gnu/arch/powerpc/platforms/pseries/ras.c
index f3736fcd98fc..13c86a292c6d 100644
--- linux-libre-5.8.3-gnu/arch/powerpc/platforms/pseries/ras.c
+++ linux-libre-5.8.4-gnu/arch/powerpc/platforms/pseries/ras.c
@@ -184,7 +184,6 @@ static void handle_system_shutdown(char event_modifier)
 	case EPOW_SHUTDOWN_ON_UPS:
 		pr_emerg("Loss of system power detected. System is running on"
 			 " UPS/battery. Check RTAS error log for details\n");
-		orderly_poweroff(true);
 		break;
 
 	case EPOW_SHUTDOWN_LOSS_OF_CRITICAL_FUNCTIONS:
diff --git linux-libre-5.8.3-gnu/arch/riscv/kernel/vmlinux.lds.S linux-libre-5.8.4-gnu/arch/riscv/kernel/vmlinux.lds.S
index e6f8016b366a..f3586e31ed1e 100644
--- linux-libre-5.8.3-gnu/arch/riscv/kernel/vmlinux.lds.S
+++ linux-libre-5.8.4-gnu/arch/riscv/kernel/vmlinux.lds.S
@@ -22,6 +22,7 @@ SECTIONS
 	/* Beginning of code and text segment */
 	. = LOAD_OFFSET;
 	_start = .;
+	_stext = .;
 	HEAD_TEXT_SECTION
 	. = ALIGN(PAGE_SIZE);
 
@@ -54,7 +55,6 @@ SECTIONS
 	. = ALIGN(SECTION_ALIGN);
 	.text : {
 		_text = .;
-		_stext = .;
 		TEXT_TEXT
 		SCHED_TEXT
 		CPUIDLE_TEXT
diff --git linux-libre-5.8.3-gnu/arch/s390/kernel/ptrace.c linux-libre-5.8.4-gnu/arch/s390/kernel/ptrace.c
index 3cc15c066298..2924f236d89c 100644
--- linux-libre-5.8.3-gnu/arch/s390/kernel/ptrace.c
+++ linux-libre-5.8.4-gnu/arch/s390/kernel/ptrace.c
@@ -1310,7 +1310,6 @@ static bool is_ri_cb_valid(struct runtime_instr_cb *cb)
 		cb->pc == 1 &&
 		cb->qc == 0 &&
 		cb->reserved2 == 0 &&
-		cb->key == PAGE_DEFAULT_KEY &&
 		cb->reserved3 == 0 &&
 		cb->reserved4 == 0 &&
 		cb->reserved5 == 0 &&
@@ -1374,7 +1373,11 @@ static int s390_runtime_instr_set(struct task_struct *target,
 		kfree(data);
 		return -EINVAL;
 	}
-
+	/*
+	 * Override access key in any case, since user space should
+	 * not be able to set it, nor should it care about it.
+	 */
+	ri_cb.key = PAGE_DEFAULT_KEY >> 4;
 	preempt_disable();
 	if (!target->thread.ri_cb)
 		target->thread.ri_cb = data;
diff --git linux-libre-5.8.3-gnu/arch/s390/kernel/runtime_instr.c linux-libre-5.8.4-gnu/arch/s390/kernel/runtime_instr.c
index 125c7f6e8715..1788a5454b6f 100644
--- linux-libre-5.8.3-gnu/arch/s390/kernel/runtime_instr.c
+++ linux-libre-5.8.4-gnu/arch/s390/kernel/runtime_instr.c
@@ -57,7 +57,7 @@ static void init_runtime_instr_cb(struct runtime_instr_cb *cb)
 	cb->k = 1;
 	cb->ps = 1;
 	cb->pc = 1;
-	cb->key = PAGE_DEFAULT_KEY;
+	cb->key = PAGE_DEFAULT_KEY >> 4;
 	cb->v = 1;
 }
 
diff --git linux-libre-5.8.3-gnu/arch/s390/pci/pci.c linux-libre-5.8.4-gnu/arch/s390/pci/pci.c
index 3902c9f6f2d6..4b62d6b55024 100644
--- linux-libre-5.8.3-gnu/arch/s390/pci/pci.c
+++ linux-libre-5.8.4-gnu/arch/s390/pci/pci.c
@@ -672,6 +672,19 @@ int zpci_disable_device(struct zpci_dev *zdev)
 }
 EXPORT_SYMBOL_GPL(zpci_disable_device);
 
+void zpci_remove_device(struct zpci_dev *zdev)
+{
+	struct zpci_bus *zbus = zdev->zbus;
+	struct pci_dev *pdev;
+
+	pdev = pci_get_slot(zbus->bus, zdev->devfn);
+	if (pdev) {
+		if (pdev->is_virtfn)
+			return zpci_remove_virtfn(pdev, zdev->vfn);
+		pci_stop_and_remove_bus_device_locked(pdev);
+	}
+}
+
 int zpci_create_device(struct zpci_dev *zdev)
 {
 	int rc;
@@ -716,13 +729,8 @@ void zpci_release_device(struct kref *kref)
 {
 	struct zpci_dev *zdev = container_of(kref, struct zpci_dev, kref);
 
-	if (zdev->zbus->bus) {
-		struct pci_dev *pdev;
-
-		pdev = pci_get_slot(zdev->zbus->bus, zdev->devfn);
-		if (pdev)
-			pci_stop_and_remove_bus_device_locked(pdev);
-	}
+	if (zdev->zbus->bus)
+		zpci_remove_device(zdev);
 
 	switch (zdev->state) {
 	case ZPCI_FN_STATE_ONLINE:
diff --git linux-libre-5.8.3-gnu/arch/s390/pci/pci_bus.c linux-libre-5.8.4-gnu/arch/s390/pci/pci_bus.c
index 642a99384688..5967f3014156 100644
--- linux-libre-5.8.3-gnu/arch/s390/pci/pci_bus.c
+++ linux-libre-5.8.4-gnu/arch/s390/pci/pci_bus.c
@@ -132,13 +132,14 @@ static int zpci_bus_link_virtfn(struct pci_dev *pdev,
 {
 	int rc;
 
-	virtfn->physfn = pci_dev_get(pdev);
 	rc = pci_iov_sysfs_link(pdev, virtfn, vfid);
-	if (rc) {
-		pci_dev_put(pdev);
-		virtfn->physfn = NULL;
+	if (rc)
 		return rc;
-	}
+
+	virtfn->is_virtfn = 1;
+	virtfn->multifunction = 0;
+	virtfn->physfn = pci_dev_get(pdev);
+
 	return 0;
 }
 
@@ -151,9 +152,9 @@ static int zpci_bus_setup_virtfn(struct zpci_bus *zbus,
 	int vfid = vfn - 1; /* Linux' vfid's start at 0 vfn at 1*/
 	int rc = 0;
 
-	virtfn->is_virtfn = 1;
-	virtfn->multifunction = 0;
-	WARN_ON(vfid < 0);
+	if (!zbus->multifunction)
+		return 0;
+
 	/* If the parent PF for the given VF is also configured in the
 	 * instance, it must be on the same zbus.
 	 * We can then identify the parent PF by checking what
@@ -165,11 +166,17 @@ static int zpci_bus_setup_virtfn(struct zpci_bus *zbus,
 		zdev = zbus->function[i];
 		if (zdev && zdev->is_physfn) {
 			pdev = pci_get_slot(zbus->bus, zdev->devfn);
+			if (!pdev)
+				continue;
 			cand_devfn = pci_iov_virtfn_devfn(pdev, vfid);
 			if (cand_devfn == virtfn->devfn) {
 				rc = zpci_bus_link_virtfn(pdev, virtfn, vfid);
+				/* balance pci_get_slot() */
+				pci_dev_put(pdev);
 				break;
 			}
+			/* balance pci_get_slot() */
+			pci_dev_put(pdev);
 		}
 	}
 	return rc;
@@ -178,12 +185,23 @@ static int zpci_bus_setup_virtfn(struct zpci_bus *zbus,
 static inline int zpci_bus_setup_virtfn(struct zpci_bus *zbus,
 		struct pci_dev *virtfn, int vfn)
 {
-	virtfn->is_virtfn = 1;
-	virtfn->multifunction = 0;
 	return 0;
 }
 #endif
 
+void pcibios_bus_add_device(struct pci_dev *pdev)
+{
+	struct zpci_dev *zdev = to_zpci(pdev);
+
+	/*
+	 * With pdev->no_vf_scan the common PCI probing code does not
+	 * perform PF/VF linking.
+	 */
+	if (zdev->vfn)
+		zpci_bus_setup_virtfn(zdev->zbus, pdev, zdev->vfn);
+
+}
+
 static int zpci_bus_add_device(struct zpci_bus *zbus, struct zpci_dev *zdev)
 {
 	struct pci_bus *bus;
@@ -214,20 +232,10 @@ static int zpci_bus_add_device(struct zpci_bus *zbus, struct zpci_dev *zdev)
 	}
 
 	pdev = pci_scan_single_device(bus, zdev->devfn);
-	if (pdev) {
-		if (!zdev->is_physfn) {
-			rc = zpci_bus_setup_virtfn(zbus, pdev, zdev->vfn);
-			if (rc)
-				goto failed_with_pdev;
-		}
+	if (pdev)
 		pci_bus_add_device(pdev);
-	}
-	return 0;
 
-failed_with_pdev:
-	pci_stop_and_remove_bus_device(pdev);
-	pci_dev_put(pdev);
-	return rc;
+	return 0;
 }
 
 static void zpci_bus_add_devices(struct zpci_bus *zbus)
diff --git linux-libre-5.8.3-gnu/arch/s390/pci/pci_bus.h linux-libre-5.8.4-gnu/arch/s390/pci/pci_bus.h
index 89be3c354b7b..4972433df458 100644
--- linux-libre-5.8.3-gnu/arch/s390/pci/pci_bus.h
+++ linux-libre-5.8.4-gnu/arch/s390/pci/pci_bus.h
@@ -29,3 +29,16 @@ static inline struct zpci_dev *get_zdev_by_bus(struct pci_bus *bus,
 
 	return (devfn >= ZPCI_FUNCTIONS_PER_BUS) ? NULL : zbus->function[devfn];
 }
+
+#ifdef CONFIG_PCI_IOV
+static inline void zpci_remove_virtfn(struct pci_dev *pdev, int vfn)
+{
+
+	pci_lock_rescan_remove();
+	/* Linux' vfid's start at 0 vfn at 1 */
+	pci_iov_remove_virtfn(pdev->physfn, vfn - 1);
+	pci_unlock_rescan_remove();
+}
+#else /* CONFIG_PCI_IOV */
+static inline void zpci_remove_virtfn(struct pci_dev *pdev, int vfn) {}
+#endif /* CONFIG_PCI_IOV */
diff --git linux-libre-5.8.3-gnu/arch/s390/pci/pci_event.c linux-libre-5.8.4-gnu/arch/s390/pci/pci_event.c
index fdebd286f402..9a3a291cad43 100644
--- linux-libre-5.8.3-gnu/arch/s390/pci/pci_event.c
+++ linux-libre-5.8.4-gnu/arch/s390/pci/pci_event.c
@@ -92,6 +92,9 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf)
 			ret = clp_add_pci_device(ccdf->fid, ccdf->fh, 1);
 			break;
 		}
+		/* the configuration request may be stale */
+		if (zdev->state != ZPCI_FN_STATE_STANDBY)
+			break;
 		zdev->fh = ccdf->fh;
 		zdev->state = ZPCI_FN_STATE_CONFIGURED;
 		ret = zpci_enable_device(zdev);
@@ -118,7 +121,7 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf)
 		if (!zdev)
 			break;
 		if (pdev)
-			pci_stop_and_remove_bus_device_locked(pdev);
+			zpci_remove_device(zdev);
 
 		ret = zpci_disable_device(zdev);
 		if (ret)
@@ -137,7 +140,7 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf)
 			/* Give the driver a hint that the function is
 			 * already unusable. */
 			pdev->error_state = pci_channel_io_perm_failure;
-			pci_stop_and_remove_bus_device_locked(pdev);
+			zpci_remove_device(zdev);
 		}
 
 		zdev->state = ZPCI_FN_STATE_STANDBY;
diff --git linux-libre-5.8.3-gnu/arch/x86/include/asm/kvm_host.h linux-libre-5.8.4-gnu/arch/x86/include/asm/kvm_host.h
index be5363b21540..c6908a3d551e 100644
--- linux-libre-5.8.3-gnu/arch/x86/include/asm/kvm_host.h
+++ linux-libre-5.8.4-gnu/arch/x86/include/asm/kvm_host.h
@@ -1641,7 +1641,8 @@ asmlinkage void kvm_spurious_fault(void);
 	_ASM_EXTABLE(666b, 667b)
 
 #define KVM_ARCH_WANT_MMU_NOTIFIER
-int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end);
+int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end,
+			unsigned flags);
 int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end);
 int kvm_test_age_hva(struct kvm *kvm, unsigned long hva);
 int kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte);
diff --git linux-libre-5.8.3-gnu/arch/x86/kvm/mmu/mmu.c linux-libre-5.8.4-gnu/arch/x86/kvm/mmu/mmu.c
index 6d6a0ae7800c..9516a958e780 100644
--- linux-libre-5.8.3-gnu/arch/x86/kvm/mmu/mmu.c
+++ linux-libre-5.8.4-gnu/arch/x86/kvm/mmu/mmu.c
@@ -1971,7 +1971,8 @@ static int kvm_handle_hva(struct kvm *kvm, unsigned long hva,
 	return kvm_handle_hva_range(kvm, hva, hva + 1, data, handler);
 }
 
-int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end)
+int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end,
+			unsigned flags)
 {
 	return kvm_handle_hva_range(kvm, start, end, 0, kvm_unmap_rmapp);
 }
diff --git linux-libre-5.8.3-gnu/arch/x86/kvm/x86.c linux-libre-5.8.4-gnu/arch/x86/kvm/x86.c
index 4fe976c2495e..f7304132d590 100644
--- linux-libre-5.8.3-gnu/arch/x86/kvm/x86.c
+++ linux-libre-5.8.4-gnu/arch/x86/kvm/x86.c
@@ -967,7 +967,7 @@ int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
 {
 	unsigned long old_cr4 = kvm_read_cr4(vcpu);
 	unsigned long pdptr_bits = X86_CR4_PGE | X86_CR4_PSE | X86_CR4_PAE |
-				   X86_CR4_SMEP | X86_CR4_SMAP | X86_CR4_PKE;
+				   X86_CR4_SMEP;
 
 	if (kvm_valid_cr4(vcpu, cr4))
 		return 1;
diff --git linux-libre-5.8.3-gnu/arch/x86/pci/xen.c linux-libre-5.8.4-gnu/arch/x86/pci/xen.c
index e3f1ca316068..db34fee93138 100644
--- linux-libre-5.8.3-gnu/arch/x86/pci/xen.c
+++ linux-libre-5.8.4-gnu/arch/x86/pci/xen.c
@@ -26,6 +26,7 @@
 #include <asm/xen/pci.h>
 #include <asm/xen/cpuid.h>
 #include <asm/apic.h>
+#include <asm/acpi.h>
 #include <asm/i8259.h>
 
 static int xen_pcifront_enable_irq(struct pci_dev *dev)
diff --git linux-libre-5.8.3-gnu/arch/x86/platform/efi/efi_64.c linux-libre-5.8.4-gnu/arch/x86/platform/efi/efi_64.c
index 8e364c4c6768..7caa65837356 100644
--- linux-libre-5.8.3-gnu/arch/x86/platform/efi/efi_64.c
+++ linux-libre-5.8.4-gnu/arch/x86/platform/efi/efi_64.c
@@ -268,6 +268,8 @@ int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages)
 	npages = (__end_rodata - __start_rodata) >> PAGE_SHIFT;
 	rodata = __pa(__start_rodata);
 	pfn = rodata >> PAGE_SHIFT;
+
+	pf = _PAGE_NX | _PAGE_ENC;
 	if (kernel_map_pages_in_pgd(pgd, pfn, rodata, npages, pf)) {
 		pr_err("Failed to map kernel rodata 1:1\n");
 		return 1;
diff --git linux-libre-5.8.3-gnu/drivers/cpufreq/intel_pstate.c linux-libre-5.8.4-gnu/drivers/cpufreq/intel_pstate.c
index 7e0f7880b21a..c7540ad28995 100644
--- linux-libre-5.8.3-gnu/drivers/cpufreq/intel_pstate.c
+++ linux-libre-5.8.4-gnu/drivers/cpufreq/intel_pstate.c
@@ -1572,6 +1572,7 @@ static void intel_pstate_get_cpu_pstates(struct cpudata *cpu)
 
 		intel_pstate_get_hwp_max(cpu->cpu, &phy_max, &current_max);
 		cpu->pstate.turbo_freq = phy_max * cpu->pstate.scaling;
+		cpu->pstate.turbo_pstate = phy_max;
 	} else {
 		cpu->pstate.turbo_freq = cpu->pstate.turbo_pstate * cpu->pstate.scaling;
 	}
diff --git linux-libre-5.8.3-gnu/drivers/edac/i7core_edac.c linux-libre-5.8.4-gnu/drivers/edac/i7core_edac.c
index 5860ca41185c..2acd9f9284a2 100644
--- linux-libre-5.8.3-gnu/drivers/edac/i7core_edac.c
+++ linux-libre-5.8.4-gnu/drivers/edac/i7core_edac.c
@@ -1710,9 +1710,9 @@ static void i7core_mce_output_error(struct mem_ctl_info *mci,
 	if (uncorrected_error) {
 		core_err_cnt = 1;
 		if (ripv)
-			tp_event = HW_EVENT_ERR_FATAL;
-		else
 			tp_event = HW_EVENT_ERR_UNCORRECTED;
+		else
+			tp_event = HW_EVENT_ERR_FATAL;
 	} else {
 		tp_event = HW_EVENT_ERR_CORRECTED;
 	}
diff --git linux-libre-5.8.3-gnu/drivers/edac/pnd2_edac.c linux-libre-5.8.4-gnu/drivers/edac/pnd2_edac.c
index c1f2e6deb021..4b44ea6b03ad 100644
--- linux-libre-5.8.3-gnu/drivers/edac/pnd2_edac.c
+++ linux-libre-5.8.4-gnu/drivers/edac/pnd2_edac.c
@@ -1155,7 +1155,7 @@ static void pnd2_mce_output_error(struct mem_ctl_info *mci, const struct mce *m,
 	u32 optypenum = GET_BITFIELD(m->status, 4, 6);
 	int rc;
 
-	tp_event = uc_err ? (ripv ? HW_EVENT_ERR_FATAL : HW_EVENT_ERR_UNCORRECTED) :
+	tp_event = uc_err ? (ripv ? HW_EVENT_ERR_UNCORRECTED : HW_EVENT_ERR_FATAL) :
 						 HW_EVENT_ERR_CORRECTED;
 
 	/*
diff --git linux-libre-5.8.3-gnu/drivers/edac/sb_edac.c linux-libre-5.8.4-gnu/drivers/edac/sb_edac.c
index d414698ca324..c5ab634cb6a4 100644
--- linux-libre-5.8.3-gnu/drivers/edac/sb_edac.c
+++ linux-libre-5.8.4-gnu/drivers/edac/sb_edac.c
@@ -2982,9 +2982,9 @@ static void sbridge_mce_output_error(struct mem_ctl_info *mci,
 	if (uncorrected_error) {
 		core_err_cnt = 1;
 		if (ripv) {
-			tp_event = HW_EVENT_ERR_FATAL;
-		} else {
 			tp_event = HW_EVENT_ERR_UNCORRECTED;
+		} else {
+			tp_event = HW_EVENT_ERR_FATAL;
 		}
 	} else {
 		tp_event = HW_EVENT_ERR_CORRECTED;
diff --git linux-libre-5.8.3-gnu/drivers/edac/skx_common.c linux-libre-5.8.4-gnu/drivers/edac/skx_common.c
index 6d8d6dc626bf..2b4ce8e5ac2f 100644
--- linux-libre-5.8.3-gnu/drivers/edac/skx_common.c
+++ linux-libre-5.8.4-gnu/drivers/edac/skx_common.c
@@ -493,9 +493,9 @@ static void skx_mce_output_error(struct mem_ctl_info *mci,
 	if (uncorrected_error) {
 		core_err_cnt = 1;
 		if (ripv) {
-			tp_event = HW_EVENT_ERR_FATAL;
-		} else {
 			tp_event = HW_EVENT_ERR_UNCORRECTED;
+		} else {
+			tp_event = HW_EVENT_ERR_FATAL;
 		}
 	} else {
 		tp_event = HW_EVENT_ERR_CORRECTED;
diff --git linux-libre-5.8.3-gnu/drivers/firmware/efi/efi.c linux-libre-5.8.4-gnu/drivers/firmware/efi/efi.c
index fdd1db025dbf..3aa07c3b5136 100644
--- linux-libre-5.8.3-gnu/drivers/firmware/efi/efi.c
+++ linux-libre-5.8.4-gnu/drivers/firmware/efi/efi.c
@@ -381,6 +381,7 @@ static int __init efisubsys_init(void)
 	efi_kobj = kobject_create_and_add("efi", firmware_kobj);
 	if (!efi_kobj) {
 		pr_err("efi: Firmware registration failed.\n");
+		destroy_workqueue(efi_rts_wq);
 		return -ENOMEM;
 	}
 
@@ -424,6 +425,7 @@ err_unregister:
 		generic_ops_unregister();
 err_put:
 	kobject_put(efi_kobj);
+	destroy_workqueue(efi_rts_wq);
 	return error;
 }
 
diff --git linux-libre-5.8.3-gnu/drivers/firmware/efi/libstub/efi-stub-helper.c linux-libre-5.8.4-gnu/drivers/firmware/efi/libstub/efi-stub-helper.c
index 6bca70bbb43d..f735db55adc0 100644
--- linux-libre-5.8.3-gnu/drivers/firmware/efi/libstub/efi-stub-helper.c
+++ linux-libre-5.8.4-gnu/drivers/firmware/efi/libstub/efi-stub-helper.c
@@ -187,20 +187,28 @@ int efi_printk(const char *fmt, ...)
  */
 efi_status_t efi_parse_options(char const *cmdline)
 {
-	size_t len = strlen(cmdline) + 1;
+	size_t len;
 	efi_status_t status;
 	char *str, *buf;
 
+	if (!cmdline)
+		return EFI_SUCCESS;
+
+	len = strnlen(cmdline, COMMAND_LINE_SIZE - 1) + 1;
 	status = efi_bs_call(allocate_pool, EFI_LOADER_DATA, len, (void **)&buf);
 	if (status != EFI_SUCCESS)
 		return status;
 
-	str = skip_spaces(memcpy(buf, cmdline, len));
+	memcpy(buf, cmdline, len - 1);
+	buf[len - 1] = '\0';
+	str = skip_spaces(buf);
 
 	while (*str) {
 		char *param, *val;
 
 		str = next_arg(str, &param, &val);
+		if (!val && !strcmp(param, "--"))
+			break;
 
 		if (!strcmp(param, "nokaslr")) {
 			efi_nokaslr = true;
diff --git linux-libre-5.8.3-gnu/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c linux-libre-5.8.4-gnu/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index d399e5893170..74459927f97f 100644
--- linux-libre-5.8.3-gnu/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ linux-libre-5.8.4-gnu/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -465,7 +465,7 @@ int amdgpu_vram_mgr_alloc_sgt(struct amdgpu_device *adev,
 	unsigned int pages;
 	int i, r;
 
-	*sgt = kmalloc(sizeof(*sg), GFP_KERNEL);
+	*sgt = kmalloc(sizeof(**sgt), GFP_KERNEL);
 	if (!*sgt)
 		return -ENOMEM;
 
diff --git linux-libre-5.8.3-gnu/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c linux-libre-5.8.4-gnu/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index edaeac8e3c55..5b7b5bbf71c1 100644
--- linux-libre-5.8.3-gnu/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ linux-libre-5.8.4-gnu/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2184,6 +2184,7 @@ void amdgpu_dm_update_connector_after_detect(
 
 			drm_connector_update_edid_property(connector,
 							   aconnector->edid);
+			drm_add_edid_modes(connector, aconnector->edid);
 
 			if (aconnector->dc_link->aux_mode)
 				drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux,
diff --git linux-libre-5.8.3-gnu/drivers/gpu/drm/amd/display/dc/core/dc_link.c linux-libre-5.8.4-gnu/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 841cc051b7d0..31aa31c280ee 100644
--- linux-libre-5.8.3-gnu/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ linux-libre-5.8.4-gnu/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -3265,12 +3265,11 @@ void core_link_disable_stream(struct pipe_ctx *pipe_ctx)
 		core_link_set_avmute(pipe_ctx, true);
 	}
 
+	dc->hwss.blank_stream(pipe_ctx);
 #if defined(CONFIG_DRM_AMD_DC_HDCP)
 	update_psp_stream_config(pipe_ctx, true);
 #endif
 
-	dc->hwss.blank_stream(pipe_ctx);
-
 	if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
 		deallocate_mst_payload(pipe_ctx);
 
@@ -3298,11 +3297,9 @@ void core_link_disable_stream(struct pipe_ctx *pipe_ctx)
 			write_i2c_redriver_setting(pipe_ctx, false);
 		}
 	}
-
-	disable_link(pipe_ctx->stream->link, pipe_ctx->stream->signal);
-
 	dc->hwss.disable_stream(pipe_ctx);
 
+	disable_link(pipe_ctx->stream->link, pipe_ctx->stream->signal);
 	if (pipe_ctx->stream->timing.flags.DSC) {
 		if (dc_is_dp_signal(pipe_ctx->stream->signal))
 			dp_set_dsc_enable(pipe_ctx, false);
diff --git linux-libre-5.8.3-gnu/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c linux-libre-5.8.4-gnu/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index 6124af571bff..91cd884d6f25 100644
--- linux-libre-5.8.3-gnu/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ linux-libre-5.8.4-gnu/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -1102,10 +1102,6 @@ static inline enum link_training_result perform_link_training_int(
 	dpcd_pattern.v1_4.TRAINING_PATTERN_SET = DPCD_TRAINING_PATTERN_VIDEOIDLE;
 	dpcd_set_training_pattern(link, dpcd_pattern);
 
-	/* delay 5ms after notifying sink of idle pattern before switching output */
-	if (link->connector_signal != SIGNAL_TYPE_EDP)
-		msleep(5);
-
 	/* 4. mainlink output idle pattern*/
 	dp_set_hw_test_pattern(link, DP_TEST_PATTERN_VIDEO_MODE, NULL, 0);
 
@@ -1555,12 +1551,6 @@ bool perform_link_training_with_retries(
 	struct dc_link *link = stream->link;
 	enum dp_panel_mode panel_mode = dp_get_panel_mode(link);
 
-	/* We need to do this before the link training to ensure the idle pattern in SST
-	 * mode will be sent right after the link training
-	 */
-	link->link_enc->funcs->connect_dig_be_to_fe(link->link_enc,
-							pipe_ctx->stream_res.stream_enc->id, true);
-
 	for (j = 0; j < attempts; ++j) {
 
 		dp_enable_link_phy(
@@ -1577,6 +1567,12 @@ bool perform_link_training_with_retries(
 
 		dp_set_panel_mode(link, panel_mode);
 
+		/* We need to do this before the link training to ensure the idle pattern in SST
+		 * mode will be sent right after the link training
+		 */
+		link->link_enc->funcs->connect_dig_be_to_fe(link->link_enc,
+								pipe_ctx->stream_res.stream_enc->id, true);
+
 		if (link->aux_access_disabled) {
 			dc_link_dp_perform_link_training_skip_aux(link, link_setting);
 			return true;
diff --git linux-libre-5.8.3-gnu/drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.h linux-libre-5.8.4-gnu/drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.h
index 70ec691e14d2..99c68ca9c7e0 100644
--- linux-libre-5.8.3-gnu/drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.h
+++ linux-libre-5.8.4-gnu/drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.h
@@ -49,7 +49,7 @@
 #define DCN_PANEL_CNTL_REG_LIST()\
 	DCN_PANEL_CNTL_SR(PWRSEQ_CNTL, LVTMA), \
 	DCN_PANEL_CNTL_SR(PWRSEQ_STATE, LVTMA), \
-	DCE_PANEL_CNTL_SR(PWRSEQ_REF_DIV, LVTMA), \
+	DCN_PANEL_CNTL_SR(PWRSEQ_REF_DIV, LVTMA), \
 	SR(BL_PWM_CNTL), \
 	SR(BL_PWM_CNTL2), \
 	SR(BL_PWM_PERIOD_CNTL), \
diff --git linux-libre-5.8.3-gnu/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c linux-libre-5.8.4-gnu/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index 2af1d74d16ad..b77e9dc16086 100644
--- linux-libre-5.8.3-gnu/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ linux-libre-5.8.4-gnu/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -1069,17 +1069,8 @@ void dce110_blank_stream(struct pipe_ctx *pipe_ctx)
 		link->dc->hwss.set_abm_immediate_disable(pipe_ctx);
 	}
 
-	if (dc_is_dp_signal(pipe_ctx->stream->signal)) {
+	if (dc_is_dp_signal(pipe_ctx->stream->signal))
 		pipe_ctx->stream_res.stream_enc->funcs->dp_blank(pipe_ctx->stream_res.stream_enc);
-
-		/*
-		 * After output is idle pattern some sinks need time to recognize the stream
-		 * has changed or they enter protection state and hang.
-		 */
-		if (!dc_is_embedded_signal(pipe_ctx->stream->signal))
-			msleep(60);
-	}
-
 }
 
 
diff --git linux-libre-5.8.3-gnu/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c linux-libre-5.8.4-gnu/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
index da5333d165ac..ec63cb853360 100644
--- linux-libre-5.8.3-gnu/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
+++ linux-libre-5.8.4-gnu/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
@@ -1386,8 +1386,8 @@ static void dcn20_update_dchubp_dpp(
 
 	/* Any updates are handled in dc interface, just need to apply existing for plane enable */
 	if ((pipe_ctx->update_flags.bits.enable || pipe_ctx->update_flags.bits.opp_changed ||
-			pipe_ctx->update_flags.bits.scaler || pipe_ctx->update_flags.bits.viewport)
-			&& pipe_ctx->stream->cursor_attributes.address.quad_part != 0) {
+			pipe_ctx->update_flags.bits.scaler || viewport_changed == true) &&
+			pipe_ctx->stream->cursor_attributes.address.quad_part != 0) {
 		dc->hwss.set_cursor_position(pipe_ctx);
 		dc->hwss.set_cursor_attribute(pipe_ctx);
 
diff --git linux-libre-5.8.3-gnu/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c linux-libre-5.8.4-gnu/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
index cef1aa938ab5..2d9055eb3ce9 100644
--- linux-libre-5.8.3-gnu/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ linux-libre-5.8.4-gnu/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -3097,7 +3097,7 @@ static bool dcn20_validate_bandwidth_internal(struct dc *dc, struct dc_state *co
 	int vlevel = 0;
 	int pipe_split_from[MAX_PIPES];
 	int pipe_cnt = 0;
-	display_e2e_pipe_params_st *pipes = kzalloc(dc->res_pool->pipe_count * sizeof(display_e2e_pipe_params_st), GFP_KERNEL);
+	display_e2e_pipe_params_st *pipes = kzalloc(dc->res_pool->pipe_count * sizeof(display_e2e_pipe_params_st), GFP_ATOMIC);
 	DC_LOGGER_INIT(dc->ctx->logger);
 
 	BW_VAL_TRACE_COUNT();
diff --git linux-libre-5.8.3-gnu/drivers/gpu/drm/amd/display/include/fixed31_32.h linux-libre-5.8.4-gnu/drivers/gpu/drm/amd/display/include/fixed31_32.h
index 89ef9f6860e5..16df2a485dd0 100644
--- linux-libre-5.8.3-gnu/drivers/gpu/drm/amd/display/include/fixed31_32.h
+++ linux-libre-5.8.4-gnu/drivers/gpu/drm/amd/display/include/fixed31_32.h
@@ -431,6 +431,9 @@ struct fixed31_32 dc_fixpt_log(struct fixed31_32 arg);
  */
 static inline struct fixed31_32 dc_fixpt_pow(struct fixed31_32 arg1, struct fixed31_32 arg2)
 {
+	if (arg1.value == 0)
+		return arg2.value == 0 ? dc_fixpt_one : dc_fixpt_zero;
+
 	return dc_fixpt_exp(
 		dc_fixpt_mul(
 			dc_fixpt_log(arg1),
diff --git linux-libre-5.8.3-gnu/drivers/gpu/drm/ast/ast_drv.c linux-libre-5.8.4-gnu/drivers/gpu/drm/ast/ast_drv.c
index b7ba22dddcad..83509106f3ba 100644
--- linux-libre-5.8.3-gnu/drivers/gpu/drm/ast/ast_drv.c
+++ linux-libre-5.8.4-gnu/drivers/gpu/drm/ast/ast_drv.c
@@ -59,7 +59,6 @@ static struct drm_driver driver;
 static const struct pci_device_id pciidlist[] = {
 	AST_VGA_DEVICE(PCI_CHIP_AST2000, NULL),
 	AST_VGA_DEVICE(PCI_CHIP_AST2100, NULL),
-	/*	AST_VGA_DEVICE(PCI_CHIP_AST1180, NULL), - don't bind to 1180 for now */
 	{0, 0, 0},
 };
 
diff --git linux-libre-5.8.3-gnu/drivers/gpu/drm/ast/ast_drv.h linux-libre-5.8.4-gnu/drivers/gpu/drm/ast/ast_drv.h
index 656d591b154b..09f2659e2911 100644
--- linux-libre-5.8.3-gnu/drivers/gpu/drm/ast/ast_drv.h
+++ linux-libre-5.8.4-gnu/drivers/gpu/drm/ast/ast_drv.h
@@ -52,7 +52,6 @@
 
 #define PCI_CHIP_AST2000 0x2000
 #define PCI_CHIP_AST2100 0x2010
-#define PCI_CHIP_AST1180 0x1180
 
 
 enum ast_chip {
@@ -64,7 +63,6 @@ enum ast_chip {
 	AST2300,
 	AST2400,
 	AST2500,
-	AST1180,
 };
 
 enum ast_tx_chip {
diff --git linux-libre-5.8.3-gnu/drivers/gpu/drm/ast/ast_main.c linux-libre-5.8.4-gnu/drivers/gpu/drm/ast/ast_main.c
index e5398e3dabe7..99c11b51f020 100644
--- linux-libre-5.8.3-gnu/drivers/gpu/drm/ast/ast_main.c
+++ linux-libre-5.8.4-gnu/drivers/gpu/drm/ast/ast_main.c
@@ -142,50 +142,42 @@ static int ast_detect_chip(struct drm_device *dev, bool *need_post)
 	ast_detect_config_mode(dev, &scu_rev);
 
 	/* Identify chipset */
-	if (dev->pdev->device == PCI_CHIP_AST1180) {
-		ast->chip = AST1100;
-		DRM_INFO("AST 1180 detected\n");
-	} else {
-		if (dev->pdev->revision >= 0x40) {
-			ast->chip = AST2500;
-			DRM_INFO("AST 2500 detected\n");
-		} else if (dev->pdev->revision >= 0x30) {
-			ast->chip = AST2400;
-			DRM_INFO("AST 2400 detected\n");
-		} else if (dev->pdev->revision >= 0x20) {
-			ast->chip = AST2300;
-			DRM_INFO("AST 2300 detected\n");
-		} else if (dev->pdev->revision >= 0x10) {
-			switch (scu_rev & 0x0300) {
-			case 0x0200:
-				ast->chip = AST1100;
-				DRM_INFO("AST 1100 detected\n");
-				break;
-			case 0x0100:
-				ast->chip = AST2200;
-				DRM_INFO("AST 2200 detected\n");
-				break;
-			case 0x0000:
-				ast->chip = AST2150;
-				DRM_INFO("AST 2150 detected\n");
-				break;
-			default:
-				ast->chip = AST2100;
-				DRM_INFO("AST 2100 detected\n");
-				break;
-			}
-			ast->vga2_clone = false;
-		} else {
-			ast->chip = AST2000;
-			DRM_INFO("AST 2000 detected\n");
+	if (dev->pdev->revision >= 0x40) {
+		ast->chip = AST2500;
+		DRM_INFO("AST 2500 detected\n");
+	} else if (dev->pdev->revision >= 0x30) {
+		ast->chip = AST2400;
+		DRM_INFO("AST 2400 detected\n");
+	} else if (dev->pdev->revision >= 0x20) {
+		ast->chip = AST2300;
+		DRM_INFO("AST 2300 detected\n");
+	} else if (dev->pdev->revision >= 0x10) {
+		switch (scu_rev & 0x0300) {
+		case 0x0200:
+			ast->chip = AST1100;
+			DRM_INFO("AST 1100 detected\n");
+			break;
+		case 0x0100:
+			ast->chip = AST2200;
+			DRM_INFO("AST 2200 detected\n");
+			break;
+		case 0x0000:
+			ast->chip = AST2150;
+			DRM_INFO("AST 2150 detected\n");
+			break;
+		default:
+			ast->chip = AST2100;
+			DRM_INFO("AST 2100 detected\n");
+			break;
 		}
+		ast->vga2_clone = false;
+	} else {
+		ast->chip = AST2000;
+		DRM_INFO("AST 2000 detected\n");
 	}
 
 	/* Check if we support wide screen */
 	switch (ast->chip) {
-	case AST1180:
-		ast->support_wide_screen = true;
-		break;
 	case AST2000:
 		ast->support_wide_screen = false;
 		break;
@@ -466,19 +458,17 @@ int ast_driver_load(struct drm_device *dev, unsigned long flags)
 
 	ast_detect_chip(dev, &need_post);
 
+	ret = ast_get_dram_info(dev);
+	if (ret)
+		goto out_free;
+	ast->vram_size = ast_get_vram_info(dev);
+	DRM_INFO("dram MCLK=%u Mhz type=%d bus_width=%d size=%08x\n",
+		 ast->mclk, ast->dram_type,
+		 ast->dram_bus_width, ast->vram_size);
+
 	if (need_post)
 		ast_post_gpu(dev);
 
-	if (ast->chip != AST1180) {
-		ret = ast_get_dram_info(dev);
-		if (ret)
-			goto out_free;
-		ast->vram_size = ast_get_vram_info(dev);
-		DRM_INFO("dram MCLK=%u Mhz type=%d bus_width=%d size=%08x\n",
-			 ast->mclk, ast->dram_type,
-			 ast->dram_bus_width, ast->vram_size);
-	}
-
 	ret = ast_mm_init(ast);
 	if (ret)
 		goto out_free;
@@ -496,8 +486,7 @@ int ast_driver_load(struct drm_device *dev, unsigned long flags)
 	    ast->chip == AST2200 ||
 	    ast->chip == AST2300 ||
 	    ast->chip == AST2400 ||
-	    ast->chip == AST2500 ||
-	    ast->chip == AST1180) {
+	    ast->chip == AST2500) {
 		dev->mode_config.max_width = 1920;
 		dev->mode_config.max_height = 2048;
 	} else {
diff --git linux-libre-5.8.3-gnu/drivers/gpu/drm/ast/ast_mode.c linux-libre-5.8.4-gnu/drivers/gpu/drm/ast/ast_mode.c
index 3a3a511670c9..73fd76cec512 100644
--- linux-libre-5.8.3-gnu/drivers/gpu/drm/ast/ast_mode.c
+++ linux-libre-5.8.4-gnu/drivers/gpu/drm/ast/ast_mode.c
@@ -769,9 +769,6 @@ static void ast_crtc_dpms(struct drm_crtc *crtc, int mode)
 {
 	struct ast_private *ast = crtc->dev->dev_private;
 
-	if (ast->chip == AST1180)
-		return;
-
 	/* TODO: Maybe control display signal generation with
 	 *       Sync Enable (bit CR17.7).
 	 */
@@ -793,16 +790,10 @@ static void ast_crtc_dpms(struct drm_crtc *crtc, int mode)
 static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc,
 					struct drm_crtc_state *state)
 {
-	struct ast_private *ast = crtc->dev->dev_private;
 	struct ast_crtc_state *ast_state;
 	const struct drm_format_info *format;
 	bool succ;
 
-	if (ast->chip == AST1180) {
-		DRM_ERROR("AST 1180 modesetting not supported\n");
-		return -EINVAL;
-	}
-
 	if (!state->enable)
 		return 0; /* no mode checks if CRTC is being disabled */
 
@@ -1044,7 +1035,7 @@ static enum drm_mode_status ast_mode_valid(struct drm_connector *connector,
 
 		if ((ast->chip == AST2100) || (ast->chip == AST2200) ||
 		    (ast->chip == AST2300) || (ast->chip == AST2400) ||
-		    (ast->chip == AST2500) || (ast->chip == AST1180)) {
+		    (ast->chip == AST2500)) {
 			if ((mode->hdisplay == 1920) && (mode->vdisplay == 1080))
 				return MODE_OK;
 
diff --git linux-libre-5.8.3-gnu/drivers/gpu/drm/ast/ast_post.c linux-libre-5.8.4-gnu/drivers/gpu/drm/ast/ast_post.c
index 2d1b18619743..af0c8ebb009a 100644
--- linux-libre-5.8.3-gnu/drivers/gpu/drm/ast/ast_post.c
+++ linux-libre-5.8.4-gnu/drivers/gpu/drm/ast/ast_post.c
@@ -58,13 +58,9 @@ bool ast_is_vga_enabled(struct drm_device *dev)
 	struct ast_private *ast = dev->dev_private;
 	u8 ch;
 
-	if (ast->chip == AST1180) {
-		/* TODO 1180 */
-	} else {
-		ch = ast_io_read8(ast, AST_IO_VGA_ENABLE_PORT);
-		return !!(ch & 0x01);
-	}
-	return false;
+	ch = ast_io_read8(ast, AST_IO_VGA_ENABLE_PORT);
+
+	return !!(ch & 0x01);
 }
 
 static const u8 extreginfo[] = { 0x0f, 0x04, 0x1c, 0xff };
diff --git linux-libre-5.8.3-gnu/drivers/gpu/drm/i915/i915_pmu.c linux-libre-5.8.4-gnu/drivers/gpu/drm/i915/i915_pmu.c
index 962ded9ce73f..9792220ddbe2 100644
--- linux-libre-5.8.3-gnu/drivers/gpu/drm/i915/i915_pmu.c
+++ linux-libre-5.8.4-gnu/drivers/gpu/drm/i915/i915_pmu.c
@@ -441,8 +441,10 @@ static u64 count_interrupts(struct drm_i915_private *i915)
 
 static void i915_pmu_event_destroy(struct perf_event *event)
 {
-	WARN_ON(event->parent);
-	module_put(THIS_MODULE);
+	struct drm_i915_private *i915 =
+		container_of(event->pmu, typeof(*i915), pmu.base);
+
+	drm_WARN_ON(&i915->drm, event->parent);
 }
 
 static int
@@ -534,10 +536,8 @@ static int i915_pmu_event_init(struct perf_event *event)
 	if (ret)
 		return ret;
 
-	if (!event->parent) {
-		__module_get(THIS_MODULE);
+	if (!event->parent)
 		event->destroy = i915_pmu_event_destroy;
-	}
 
 	return 0;
 }
@@ -1058,8 +1058,10 @@ static int i915_pmu_register_cpuhp_state(struct i915_pmu *pmu)
 
 static void i915_pmu_unregister_cpuhp_state(struct i915_pmu *pmu)
 {
-	WARN_ON(pmu->cpuhp.slot == CPUHP_INVALID);
-	WARN_ON(cpuhp_state_remove_instance(pmu->cpuhp.slot, &pmu->cpuhp.node));
+	struct drm_i915_private *i915 = container_of(pmu, typeof(*i915), pmu);
+
+	drm_WARN_ON(&i915->drm, pmu->cpuhp.slot == CPUHP_INVALID);
+	drm_WARN_ON(&i915->drm, cpuhp_state_remove_instance(pmu->cpuhp.slot, &pmu->cpuhp.node));
 	cpuhp_remove_multi_state(pmu->cpuhp.slot);
 	pmu->cpuhp.slot = CPUHP_INVALID;
 }
@@ -1121,6 +1123,7 @@ void i915_pmu_register(struct drm_i915_private *i915)
 	if (!pmu->base.attr_groups)
 		goto err_attr;
 
+	pmu->base.module	= THIS_MODULE;
 	pmu->base.task_ctx_nr	= perf_invalid_context;
 	pmu->base.event_init	= i915_pmu_event_init;
 	pmu->base.add		= i915_pmu_event_add;
diff --git linux-libre-5.8.3-gnu/drivers/gpu/drm/panel/panel-simple.c linux-libre-5.8.4-gnu/drivers/gpu/drm/panel/panel-simple.c
index 444b77490a42..7debf2ca4252 100644
--- linux-libre-5.8.3-gnu/drivers/gpu/drm/panel/panel-simple.c
+++ linux-libre-5.8.4-gnu/drivers/gpu/drm/panel/panel-simple.c
@@ -1717,7 +1717,7 @@ static const struct drm_display_mode frida_frd350h54004_mode = {
 	.vsync_end = 240 + 2 + 6,
 	.vtotal = 240 + 2 + 6 + 2,
 	.vrefresh = 60,
-	.flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC,
+	.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
 };
 
 static const struct panel_desc frida_frd350h54004 = {
diff --git linux-libre-5.8.3-gnu/drivers/gpu/drm/ttm/ttm_bo_vm.c linux-libre-5.8.4-gnu/drivers/gpu/drm/ttm/ttm_bo_vm.c
index fa03fab02076..33526c5df0e8 100644
--- linux-libre-5.8.3-gnu/drivers/gpu/drm/ttm/ttm_bo_vm.c
+++ linux-libre-5.8.4-gnu/drivers/gpu/drm/ttm/ttm_bo_vm.c
@@ -505,8 +505,10 @@ static int ttm_bo_vm_access_kmap(struct ttm_buffer_object *bo,
 int ttm_bo_vm_access(struct vm_area_struct *vma, unsigned long addr,
 		     void *buf, int len, int write)
 {
-	unsigned long offset = (addr) - vma->vm_start;
 	struct ttm_buffer_object *bo = vma->vm_private_data;
+	unsigned long offset = (addr) - vma->vm_start +
+		((vma->vm_pgoff - drm_vma_node_start(&bo->base.vma_node))
+		 << PAGE_SHIFT);
 	int ret;
 
 	if (len < 1 || (offset + len) >> PAGE_SHIFT > bo->num_pages)
diff --git linux-libre-5.8.3-gnu/drivers/gpu/drm/vgem/vgem_drv.c linux-libre-5.8.4-gnu/drivers/gpu/drm/vgem/vgem_drv.c
index ec1a8ebb6f1b..fa39d140adc6 100644
--- linux-libre-5.8.3-gnu/drivers/gpu/drm/vgem/vgem_drv.c
+++ linux-libre-5.8.4-gnu/drivers/gpu/drm/vgem/vgem_drv.c
@@ -230,32 +230,6 @@ static int vgem_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
 	return 0;
 }
 
-static int vgem_gem_dumb_map(struct drm_file *file, struct drm_device *dev,
-			     uint32_t handle, uint64_t *offset)
-{
-	struct drm_gem_object *obj;
-	int ret;
-
-	obj = drm_gem_object_lookup(file, handle);
-	if (!obj)
-		return -ENOENT;
-
-	if (!obj->filp) {
-		ret = -EINVAL;
-		goto unref;
-	}
-
-	ret = drm_gem_create_mmap_offset(obj);
-	if (ret)
-		goto unref;
-
-	*offset = drm_vma_node_offset_addr(&obj->vma_node);
-unref:
-	drm_gem_object_put_unlocked(obj);
-
-	return ret;
-}
-
 static struct drm_ioctl_desc vgem_ioctls[] = {
 	DRM_IOCTL_DEF_DRV(VGEM_FENCE_ATTACH, vgem_fence_attach_ioctl, DRM_RENDER_ALLOW),
 	DRM_IOCTL_DEF_DRV(VGEM_FENCE_SIGNAL, vgem_fence_signal_ioctl, DRM_RENDER_ALLOW),
@@ -446,7 +420,6 @@ static struct drm_driver vgem_driver = {
 	.fops				= &vgem_driver_fops,
 
 	.dumb_create			= vgem_gem_dumb_create,
-	.dumb_map_offset		= vgem_gem_dumb_map,
 
 	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
 	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
diff --git linux-libre-5.8.3-gnu/drivers/gpu/drm/virtio/virtgpu_ioctl.c linux-libre-5.8.4-gnu/drivers/gpu/drm/virtio/virtgpu_ioctl.c
index 5df722072ba0..19c5bc01eb79 100644
--- linux-libre-5.8.3-gnu/drivers/gpu/drm/virtio/virtgpu_ioctl.c
+++ linux-libre-5.8.4-gnu/drivers/gpu/drm/virtio/virtgpu_ioctl.c
@@ -179,6 +179,7 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data,
 
 	virtio_gpu_cmd_submit(vgdev, buf, exbuf->size,
 			      vfpriv->ctx_id, buflist, out_fence);
+	dma_fence_put(&out_fence->f);
 	virtio_gpu_notify(vgdev);
 	return 0;
 
diff --git linux-libre-5.8.3-gnu/drivers/infiniband/hw/bnxt_re/main.c linux-libre-5.8.4-gnu/drivers/infiniband/hw/bnxt_re/main.c
index b12fbc857f94..5c41e13496a0 100644
--- linux-libre-5.8.3-gnu/drivers/infiniband/hw/bnxt_re/main.c
+++ linux-libre-5.8.4-gnu/drivers/infiniband/hw/bnxt_re/main.c
@@ -811,7 +811,8 @@ static int bnxt_re_handle_qp_async_event(struct creq_qp_event *qp_event,
 	struct ib_event event;
 	unsigned int flags;
 
-	if (qp->qplib_qp.state == CMDQ_MODIFY_QP_NEW_STATE_ERR) {
+	if (qp->qplib_qp.state == CMDQ_MODIFY_QP_NEW_STATE_ERR &&
+	    rdma_is_kernel_res(&qp->ib_qp.res)) {
 		flags = bnxt_re_lock_cqs(qp);
 		bnxt_qplib_add_flush_qp(&qp->qplib_qp);
 		bnxt_re_unlock_cqs(qp, flags);
diff --git linux-libre-5.8.3-gnu/drivers/infiniband/hw/hfi1/tid_rdma.c linux-libre-5.8.4-gnu/drivers/infiniband/hw/hfi1/tid_rdma.c
index facff133139a..3ba299cfd0b5 100644
--- linux-libre-5.8.3-gnu/drivers/infiniband/hw/hfi1/tid_rdma.c
+++ linux-libre-5.8.4-gnu/drivers/infiniband/hw/hfi1/tid_rdma.c
@@ -3215,6 +3215,7 @@ bool hfi1_tid_rdma_wqe_interlock(struct rvt_qp *qp, struct rvt_swqe *wqe)
 	case IB_WR_ATOMIC_CMP_AND_SWP:
 	case IB_WR_ATOMIC_FETCH_AND_ADD:
 	case IB_WR_RDMA_WRITE:
+	case IB_WR_RDMA_WRITE_WITH_IMM:
 		switch (prev->wr.opcode) {
 		case IB_WR_TID_RDMA_WRITE:
 			req = wqe_to_tid_req(prev);
diff --git linux-libre-5.8.3-gnu/drivers/infiniband/hw/hns/hns_roce_device.h linux-libre-5.8.4-gnu/drivers/infiniband/hw/hns/hns_roce_device.h
index 479fa557993e..c69453a62767 100644
--- linux-libre-5.8.3-gnu/drivers/infiniband/hw/hns/hns_roce_device.h
+++ linux-libre-5.8.4-gnu/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -66,8 +66,6 @@
 #define HNS_ROCE_CQE_WCMD_EMPTY_BIT		0x2
 #define HNS_ROCE_MIN_CQE_CNT			16
 
-#define HNS_ROCE_RESERVED_SGE			1
-
 #define HNS_ROCE_MAX_IRQ_NUM			128
 
 #define HNS_ROCE_SGE_IN_WQE			2
diff --git linux-libre-5.8.3-gnu/drivers/infiniband/hw/hns/hns_roce_hw_v2.c linux-libre-5.8.4-gnu/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index eb71b941d21b..38a48ab3e1d0 100644
--- linux-libre-5.8.3-gnu/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ linux-libre-5.8.4-gnu/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -629,7 +629,7 @@ static int hns_roce_v2_post_recv(struct ib_qp *ibqp,
 
 		wqe_idx = (hr_qp->rq.head + nreq) & (hr_qp->rq.wqe_cnt - 1);
 
-		if (unlikely(wr->num_sge >= hr_qp->rq.max_gs)) {
+		if (unlikely(wr->num_sge > hr_qp->rq.max_gs)) {
 			ibdev_err(ibdev, "rq:num_sge=%d >= qp->sq.max_gs=%d\n",
 				  wr->num_sge, hr_qp->rq.max_gs);
 			ret = -EINVAL;
@@ -649,7 +649,6 @@ static int hns_roce_v2_post_recv(struct ib_qp *ibqp,
 		if (wr->num_sge < hr_qp->rq.max_gs) {
 			dseg->lkey = cpu_to_le32(HNS_ROCE_INVALID_LKEY);
 			dseg->addr = 0;
-			dseg->len = cpu_to_le32(HNS_ROCE_INVALID_SGE_LENGTH);
 		}
 
 		/* rq support inline data */
@@ -783,8 +782,8 @@ static int hns_roce_v2_post_srq_recv(struct ib_srq *ibsrq,
 		}
 
 		if (wr->num_sge < srq->max_gs) {
-			dseg[i].len = cpu_to_le32(HNS_ROCE_INVALID_SGE_LENGTH);
-			dseg[i].lkey = cpu_to_le32(HNS_ROCE_INVALID_LKEY);
+			dseg[i].len = 0;
+			dseg[i].lkey = cpu_to_le32(0x100);
 			dseg[i].addr = 0;
 		}
 
@@ -5098,7 +5097,7 @@ static int hns_roce_v2_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr)
 
 	attr->srq_limit = limit_wl;
 	attr->max_wr = srq->wqe_cnt - 1;
-	attr->max_sge = srq->max_gs - HNS_ROCE_RESERVED_SGE;
+	attr->max_sge = srq->max_gs;
 
 out:
 	hns_roce_free_cmd_mailbox(hr_dev, mailbox);
diff --git linux-libre-5.8.3-gnu/drivers/infiniband/hw/hns/hns_roce_hw_v2.h linux-libre-5.8.4-gnu/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
index e6c385ced187..4f840997c6c7 100644
--- linux-libre-5.8.3-gnu/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
+++ linux-libre-5.8.4-gnu/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
@@ -92,9 +92,7 @@
 #define HNS_ROCE_V2_CQC_TIMER_ENTRY_SZ		PAGE_SIZE
 #define HNS_ROCE_V2_PAGE_SIZE_SUPPORTED		0xFFFFF000
 #define HNS_ROCE_V2_MAX_INNER_MTPT_NUM		2
-#define HNS_ROCE_INVALID_LKEY			0x0
-#define HNS_ROCE_INVALID_SGE_LENGTH		0x80000000
-
+#define HNS_ROCE_INVALID_LKEY			0x100
 #define HNS_ROCE_CMQ_TX_TIMEOUT			30000
 #define HNS_ROCE_V2_UC_RC_SGE_NUM_IN_WQE	2
 #define HNS_ROCE_V2_RSV_QPS			8
diff --git linux-libre-5.8.3-gnu/drivers/infiniband/hw/hns/hns_roce_qp.c linux-libre-5.8.4-gnu/drivers/infiniband/hw/hns/hns_roce_qp.c
index a0a47bd66975..4edea397b6b8 100644
--- linux-libre-5.8.3-gnu/drivers/infiniband/hw/hns/hns_roce_qp.c
+++ linux-libre-5.8.4-gnu/drivers/infiniband/hw/hns/hns_roce_qp.c
@@ -386,8 +386,7 @@ static int set_rq_size(struct hns_roce_dev *hr_dev, struct ib_qp_cap *cap,
 		return -EINVAL;
 	}
 
-	hr_qp->rq.max_gs = roundup_pow_of_two(max(1U, cap->max_recv_sge) +
-					      HNS_ROCE_RESERVED_SGE);
+	hr_qp->rq.max_gs = roundup_pow_of_two(max(1U, cap->max_recv_sge));
 
 	if (hr_dev->caps.max_rq_sg <= HNS_ROCE_SGE_IN_WQE)
 		hr_qp->rq.wqe_shift = ilog2(hr_dev->caps.max_rq_desc_sz);
@@ -402,7 +401,7 @@ static int set_rq_size(struct hns_roce_dev *hr_dev, struct ib_qp_cap *cap,
 		hr_qp->rq_inl_buf.wqe_cnt = 0;
 
 	cap->max_recv_wr = cnt;
-	cap->max_recv_sge = hr_qp->rq.max_gs - HNS_ROCE_RESERVED_SGE;
+	cap->max_recv_sge = hr_qp->rq.max_gs;
 
 	return 0;
 }
diff --git linux-libre-5.8.3-gnu/drivers/infiniband/hw/hns/hns_roce_srq.c linux-libre-5.8.4-gnu/drivers/infiniband/hw/hns/hns_roce_srq.c
index f40a000e94ee..b9e2dbd372b6 100644
--- linux-libre-5.8.3-gnu/drivers/infiniband/hw/hns/hns_roce_srq.c
+++ linux-libre-5.8.4-gnu/drivers/infiniband/hw/hns/hns_roce_srq.c
@@ -297,7 +297,7 @@ int hns_roce_create_srq(struct ib_srq *ib_srq,
 	spin_lock_init(&srq->lock);
 
 	srq->wqe_cnt = roundup_pow_of_two(init_attr->attr.max_wr + 1);
-	srq->max_gs = init_attr->attr.max_sge + HNS_ROCE_RESERVED_SGE;
+	srq->max_gs = init_attr->attr.max_sge;
 
 	if (udata) {
 		ret = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd));
diff --git linux-libre-5.8.3-gnu/drivers/input/mouse/psmouse-base.c linux-libre-5.8.4-gnu/drivers/input/mouse/psmouse-base.c
index 527ae0b9a191..0b4a3039f312 100644
--- linux-libre-5.8.3-gnu/drivers/input/mouse/psmouse-base.c
+++ linux-libre-5.8.4-gnu/drivers/input/mouse/psmouse-base.c
@@ -2042,7 +2042,7 @@ static int psmouse_get_maxproto(char *buffer, const struct kernel_param *kp)
 {
 	int type = *((unsigned int *)kp->arg);
 
-	return sprintf(buffer, "%s", psmouse_protocol_by_type(type)->name);
+	return sprintf(buffer, "%s\n", psmouse_protocol_by_type(type)->name);
 }
 
 static int __init psmouse_init(void)
diff --git linux-libre-5.8.3-gnu/drivers/media/pci/ttpci/budget-core.c linux-libre-5.8.4-gnu/drivers/media/pci/ttpci/budget-core.c
index fadbdeeb4495..293867b9e796 100644
--- linux-libre-5.8.3-gnu/drivers/media/pci/ttpci/budget-core.c
+++ linux-libre-5.8.4-gnu/drivers/media/pci/ttpci/budget-core.c
@@ -369,20 +369,25 @@ static int budget_register(struct budget *budget)
 	ret = dvbdemux->dmx.add_frontend(&dvbdemux->dmx, &budget->hw_frontend);
 
 	if (ret < 0)
-		return ret;
+		goto err_release_dmx;
 
 	budget->mem_frontend.source = DMX_MEMORY_FE;
 	ret = dvbdemux->dmx.add_frontend(&dvbdemux->dmx, &budget->mem_frontend);
 	if (ret < 0)
-		return ret;
+		goto err_release_dmx;
 
 	ret = dvbdemux->dmx.connect_frontend(&dvbdemux->dmx, &budget->hw_frontend);
 	if (ret < 0)
-		return ret;
+		goto err_release_dmx;
 
 	dvb_net_init(&budget->dvb_adapter, &budget->dvb_net, &dvbdemux->dmx);
 
 	return 0;
+
+err_release_dmx:
+	dvb_dmxdev_release(&budget->dmxdev);
+	dvb_dmx_release(&budget->demux);
+	return ret;
 }
 
 static void budget_unregister(struct budget *budget)
diff --git linux-libre-5.8.3-gnu/drivers/media/platform/coda/coda-jpeg.c linux-libre-5.8.4-gnu/drivers/media/platform/coda/coda-jpeg.c
index 00d19859db50..b11cfbe166dd 100644
--- linux-libre-5.8.3-gnu/drivers/media/platform/coda/coda-jpeg.c
+++ linux-libre-5.8.4-gnu/drivers/media/platform/coda/coda-jpeg.c
@@ -327,8 +327,11 @@ int coda_jpeg_decode_header(struct coda_ctx *ctx, struct vb2_buffer *vb)
 				 "only 8-bit quantization tables supported\n");
 			continue;
 		}
-		if (!ctx->params.jpeg_qmat_tab[i])
+		if (!ctx->params.jpeg_qmat_tab[i]) {
 			ctx->params.jpeg_qmat_tab[i] = kmalloc(64, GFP_KERNEL);
+			if (!ctx->params.jpeg_qmat_tab[i])
+				return -ENOMEM;
+		}
 		memcpy(ctx->params.jpeg_qmat_tab[i],
 		       quantization_tables[i].start, 64);
 	}
diff --git linux-libre-5.8.3-gnu/drivers/media/platform/davinci/vpss.c linux-libre-5.8.4-gnu/drivers/media/platform/davinci/vpss.c
index d38d2bbb6f0f..7000f0bf0b35 100644
--- linux-libre-5.8.3-gnu/drivers/media/platform/davinci/vpss.c
+++ linux-libre-5.8.4-gnu/drivers/media/platform/davinci/vpss.c
@@ -505,19 +505,31 @@ static void vpss_exit(void)
 
 static int __init vpss_init(void)
 {
+	int ret;
+
 	if (!request_mem_region(VPSS_CLK_CTRL, 4, "vpss_clock_control"))
 		return -EBUSY;
 
 	oper_cfg.vpss_regs_base2 = ioremap(VPSS_CLK_CTRL, 4);
 	if (unlikely(!oper_cfg.vpss_regs_base2)) {
-		release_mem_region(VPSS_CLK_CTRL, 4);
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto err_ioremap;
 	}
 
 	writel(VPSS_CLK_CTRL_VENCCLKEN |
-		     VPSS_CLK_CTRL_DACCLKEN, oper_cfg.vpss_regs_base2);
+	       VPSS_CLK_CTRL_DACCLKEN, oper_cfg.vpss_regs_base2);
+
+	ret = platform_driver_register(&vpss_driver);
+	if (ret)
+		goto err_pd_register;
+
+	return 0;
 
-	return platform_driver_register(&vpss_driver);
+err_pd_register:
+	iounmap(oper_cfg.vpss_regs_base2);
+err_ioremap:
+	release_mem_region(VPSS_CLK_CTRL, 4);
+	return ret;
 }
 subsys_initcall(vpss_init);
 module_exit(vpss_exit);
diff --git linux-libre-5.8.3-gnu/drivers/media/platform/qcom/camss/camss.c linux-libre-5.8.4-gnu/drivers/media/platform/qcom/camss/camss.c
index 3fdc9f964a3c..2483641799df 100644
--- linux-libre-5.8.3-gnu/drivers/media/platform/qcom/camss/camss.c
+++ linux-libre-5.8.4-gnu/drivers/media/platform/qcom/camss/camss.c
@@ -504,7 +504,6 @@ static int camss_of_parse_ports(struct camss *camss)
 	return num_subdevs;
 
 err_cleanup:
-	v4l2_async_notifier_cleanup(&camss->notifier);
 	of_node_put(node);
 	return ret;
 }
@@ -835,29 +834,38 @@ static int camss_probe(struct platform_device *pdev)
 		camss->csid_num = 4;
 		camss->vfe_num = 2;
 	} else {
-		return -EINVAL;
+		ret = -EINVAL;
+		goto err_free;
 	}
 
 	camss->csiphy = devm_kcalloc(dev, camss->csiphy_num,
 				     sizeof(*camss->csiphy), GFP_KERNEL);
-	if (!camss->csiphy)
-		return -ENOMEM;
+	if (!camss->csiphy) {
+		ret = -ENOMEM;
+		goto err_free;
+	}
 
 	camss->csid = devm_kcalloc(dev, camss->csid_num, sizeof(*camss->csid),
 				   GFP_KERNEL);
-	if (!camss->csid)
-		return -ENOMEM;
+	if (!camss->csid) {
+		ret = -ENOMEM;
+		goto err_free;
+	}
 
 	camss->vfe = devm_kcalloc(dev, camss->vfe_num, sizeof(*camss->vfe),
 				  GFP_KERNEL);
-	if (!camss->vfe)
-		return -ENOMEM;
+	if (!camss->vfe) {
+		ret = -ENOMEM;
+		goto err_free;
+	}
 
 	v4l2_async_notifier_init(&camss->notifier);
 
 	num_subdevs = camss_of_parse_ports(camss);
-	if (num_subdevs < 0)
-		return num_subdevs;
+	if (num_subdevs < 0) {
+		ret = num_subdevs;
+		goto err_cleanup;
+	}
 
 	ret = camss_init_subdevices(camss);
 	if (ret < 0)
@@ -936,6 +944,8 @@ err_register_entities:
 	v4l2_device_unregister(&camss->v4l2_dev);
 err_cleanup:
 	v4l2_async_notifier_cleanup(&camss->notifier);
+err_free:
+	kfree(camss);
 
 	return ret;
 }
diff --git linux-libre-5.8.3-gnu/drivers/net/bonding/bond_main.c linux-libre-5.8.4-gnu/drivers/net/bonding/bond_main.c
index f88cb097b022..500aa3e19a4c 100644
--- linux-libre-5.8.3-gnu/drivers/net/bonding/bond_main.c
+++ linux-libre-5.8.4-gnu/drivers/net/bonding/bond_main.c
@@ -2084,7 +2084,8 @@ static int bond_release_and_destroy(struct net_device *bond_dev,
 	int ret;
 
 	ret = __bond_release_one(bond_dev, slave_dev, false, true);
-	if (ret == 0 && !bond_has_slaves(bond)) {
+	if (ret == 0 && !bond_has_slaves(bond) &&
+	    bond_dev->reg_state != NETREG_UNREGISTERING) {
 		bond_dev->priv_flags |= IFF_DISABLE_NETPOLL;
 		netdev_info(bond_dev, "Destroying bond\n");
 		bond_remove_proc_entry(bond);
@@ -2824,6 +2825,9 @@ static int bond_ab_arp_inspect(struct bonding *bond)
 			if (bond_time_in_interval(bond, last_rx, 1)) {
 				bond_propose_link_state(slave, BOND_LINK_UP);
 				commit++;
+			} else if (slave->link == BOND_LINK_BACK) {
+				bond_propose_link_state(slave, BOND_LINK_FAIL);
+				commit++;
 			}
 			continue;
 		}
@@ -2932,6 +2936,19 @@ static void bond_ab_arp_commit(struct bonding *bond)
 
 			continue;
 
+		case BOND_LINK_FAIL:
+			bond_set_slave_link_state(slave, BOND_LINK_FAIL,
+						  BOND_SLAVE_NOTIFY_NOW);
+			bond_set_slave_inactive_flags(slave,
+						      BOND_SLAVE_NOTIFY_NOW);
+
+			/* A slave has just been enslaved and has become
+			 * the current active slave.
+			 */
+			if (rtnl_dereference(bond->curr_active_slave))
+				RCU_INIT_POINTER(bond->current_arp_slave, NULL);
+			continue;
+
 		default:
 			slave_err(bond->dev, slave->dev,
 				  "impossible: link_new_state %d on slave\n",
@@ -2982,8 +2999,6 @@ static bool bond_ab_arp_probe(struct bonding *bond)
 			return should_notify_rtnl;
 	}
 
-	bond_set_slave_inactive_flags(curr_arp_slave, BOND_SLAVE_NOTIFY_LATER);
-
 	bond_for_each_slave_rcu(bond, slave, iter) {
 		if (!found && !before && bond_slave_is_up(slave))
 			before = slave;
@@ -4431,13 +4446,23 @@ static netdev_tx_t bond_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	return ret;
 }
 
+static u32 bond_mode_bcast_speed(struct slave *slave, u32 speed)
+{
+	if (speed == 0 || speed == SPEED_UNKNOWN)
+		speed = slave->speed;
+	else
+		speed = min(speed, slave->speed);
+
+	return speed;
+}
+
 static int bond_ethtool_get_link_ksettings(struct net_device *bond_dev,
 					   struct ethtool_link_ksettings *cmd)
 {
 	struct bonding *bond = netdev_priv(bond_dev);
-	unsigned long speed = 0;
 	struct list_head *iter;
 	struct slave *slave;
+	u32 speed = 0;
 
 	cmd->base.duplex = DUPLEX_UNKNOWN;
 	cmd->base.port = PORT_OTHER;
@@ -4449,8 +4474,13 @@ static int bond_ethtool_get_link_ksettings(struct net_device *bond_dev,
 	 */
 	bond_for_each_slave(bond, slave, iter) {
 		if (bond_slave_can_tx(slave)) {
-			if (slave->speed != SPEED_UNKNOWN)
-				speed += slave->speed;
+			if (slave->speed != SPEED_UNKNOWN) {
+				if (BOND_MODE(bond) == BOND_MODE_BROADCAST)
+					speed = bond_mode_bcast_speed(slave,
+								      speed);
+				else
+					speed += slave->speed;
+			}
 			if (cmd->base.duplex == DUPLEX_UNKNOWN &&
 			    slave->duplex != DUPLEX_UNKNOWN)
 				cmd->base.duplex = slave->duplex;
diff --git linux-libre-5.8.3-gnu/drivers/net/dsa/b53/b53_common.c linux-libre-5.8.4-gnu/drivers/net/dsa/b53/b53_common.c
index 1df05841ab6b..86869337223a 100644
--- linux-libre-5.8.3-gnu/drivers/net/dsa/b53/b53_common.c
+++ linux-libre-5.8.4-gnu/drivers/net/dsa/b53/b53_common.c
@@ -1555,6 +1555,8 @@ static int b53_arl_op(struct b53_device *dev, int op, int port,
 		return ret;
 
 	switch (ret) {
+	case -ETIMEDOUT:
+		return ret;
 	case -ENOSPC:
 		dev_dbg(dev->dev, "{%pM,%.4d} no space left in ARL\n",
 			addr, vid);
diff --git linux-libre-5.8.3-gnu/drivers/net/ethernet/amazon/ena/ena_netdev.c linux-libre-5.8.4-gnu/drivers/net/ethernet/amazon/ena/ena_netdev.c
index dda4b8fc9525..000f57198352 100644
--- linux-libre-5.8.3-gnu/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ linux-libre-5.8.4-gnu/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -2177,13 +2177,10 @@ static void ena_del_napi_in_range(struct ena_adapter *adapter,
 	int i;
 
 	for (i = first_index; i < first_index + count; i++) {
-		/* Check if napi was initialized before */
-		if (!ENA_IS_XDP_INDEX(adapter, i) ||
-		    adapter->ena_napi[i].xdp_ring)
-			netif_napi_del(&adapter->ena_napi[i].napi);
-		else
-			WARN_ON(ENA_IS_XDP_INDEX(adapter, i) &&
-				adapter->ena_napi[i].xdp_ring);
+		netif_napi_del(&adapter->ena_napi[i].napi);
+
+		WARN_ON(!ENA_IS_XDP_INDEX(adapter, i) &&
+			adapter->ena_napi[i].xdp_ring);
 	}
 }
 
@@ -3523,16 +3520,14 @@ static void ena_fw_reset_device(struct work_struct *work)
 {
 	struct ena_adapter *adapter =
 		container_of(work, struct ena_adapter, reset_task);
-	struct pci_dev *pdev = adapter->pdev;
 
-	if (unlikely(!test_bit(ENA_FLAG_TRIGGER_RESET, &adapter->flags))) {
-		dev_err(&pdev->dev,
-			"device reset schedule while reset bit is off\n");
-		return;
-	}
 	rtnl_lock();
-	ena_destroy_device(adapter, false);
-	ena_restore_device(adapter);
+
+	if (likely(test_bit(ENA_FLAG_TRIGGER_RESET, &adapter->flags))) {
+		ena_destroy_device(adapter, false);
+		ena_restore_device(adapter);
+	}
+
 	rtnl_unlock();
 }
 
@@ -4366,8 +4361,11 @@ static void __ena_shutoff(struct pci_dev *pdev, bool shutdown)
 		netdev->rx_cpu_rmap = NULL;
 	}
 #endif /* CONFIG_RFS_ACCEL */
-	del_timer_sync(&adapter->timer_service);
 
+	/* Make sure timer and reset routine won't be called after
+	 * freeing device resources.
+	 */
+	del_timer_sync(&adapter->timer_service);
 	cancel_work_sync(&adapter->reset_task);
 
 	rtnl_lock(); /* lock released inside the below if-else block */
diff --git linux-libre-5.8.3-gnu/drivers/net/ethernet/cortina/gemini.c linux-libre-5.8.4-gnu/drivers/net/ethernet/cortina/gemini.c
index 66e67b24a887..62e271aea4a5 100644
--- linux-libre-5.8.3-gnu/drivers/net/ethernet/cortina/gemini.c
+++ linux-libre-5.8.4-gnu/drivers/net/ethernet/cortina/gemini.c
@@ -2389,7 +2389,7 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev)
 
 	dev_info(dev, "probe %s ID %d\n", dev_name(dev), id);
 
-	netdev = alloc_etherdev_mq(sizeof(*port), TX_QUEUE_NUM);
+	netdev = devm_alloc_etherdev_mqs(dev, sizeof(*port), TX_QUEUE_NUM, TX_QUEUE_NUM);
 	if (!netdev) {
 		dev_err(dev, "Can't allocate ethernet device #%d\n", id);
 		return -ENOMEM;
@@ -2521,7 +2521,6 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev)
 	}
 
 	port->netdev = NULL;
-	free_netdev(netdev);
 	return ret;
 }
 
@@ -2530,7 +2529,6 @@ static int gemini_ethernet_port_remove(struct platform_device *pdev)
 	struct gemini_ethernet_port *port = platform_get_drvdata(pdev);
 
 	gemini_port_remove(port);
-	free_netdev(port->netdev);
 	return 0;
 }
 
diff --git linux-libre-5.8.3-gnu/drivers/net/ethernet/freescale/fec_main.c linux-libre-5.8.4-gnu/drivers/net/ethernet/freescale/fec_main.c
index cc7fbfc09354..534fcc71a2a5 100644
--- linux-libre-5.8.3-gnu/drivers/net/ethernet/freescale/fec_main.c
+++ linux-libre-5.8.4-gnu/drivers/net/ethernet/freescale/fec_main.c
@@ -3714,11 +3714,11 @@ failed_mii_init:
 failed_irq:
 failed_init:
 	fec_ptp_stop(pdev);
-	if (fep->reg_phy)
-		regulator_disable(fep->reg_phy);
 failed_reset:
 	pm_runtime_put_noidle(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
+	if (fep->reg_phy)
+		regulator_disable(fep->reg_phy);
 failed_regulator:
 	clk_disable_unprepare(fep->clk_ahb);
 failed_clk_ahb:
diff --git linux-libre-5.8.3-gnu/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h linux-libre-5.8.4-gnu/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h
index aa5f1c0aa721..0921785a1079 100644
--- linux-libre-5.8.3-gnu/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h
+++ linux-libre-5.8.4-gnu/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h
@@ -1211,7 +1211,7 @@ struct i40e_aqc_set_vsi_promiscuous_modes {
 #define I40E_AQC_SET_VSI_PROMISC_BROADCAST	0x04
 #define I40E_AQC_SET_VSI_DEFAULT		0x08
 #define I40E_AQC_SET_VSI_PROMISC_VLAN		0x10
-#define I40E_AQC_SET_VSI_PROMISC_TX		0x8000
+#define I40E_AQC_SET_VSI_PROMISC_RX_ONLY	0x8000
 	__le16	seid;
 #define I40E_AQC_VSI_PROM_CMD_SEID_MASK		0x3FF
 	__le16	vlan_tag;
diff --git linux-libre-5.8.3-gnu/drivers/net/ethernet/intel/i40e/i40e_common.c linux-libre-5.8.4-gnu/drivers/net/ethernet/intel/i40e/i40e_common.c
index 45b90eb11adb..21e44c6cd5ea 100644
--- linux-libre-5.8.3-gnu/drivers/net/ethernet/intel/i40e/i40e_common.c
+++ linux-libre-5.8.4-gnu/drivers/net/ethernet/intel/i40e/i40e_common.c
@@ -1969,6 +1969,21 @@ i40e_status i40e_aq_set_phy_debug(struct i40e_hw *hw, u8 cmd_flags,
 	return status;
 }
 
+/**
+ * i40e_is_aq_api_ver_ge
+ * @aq: pointer to AdminQ info containing HW API version to compare
+ * @maj: API major value
+ * @min: API minor value
+ *
+ * Assert whether current HW API version is greater/equal than provided.
+ **/
+static bool i40e_is_aq_api_ver_ge(struct i40e_adminq_info *aq, u16 maj,
+				  u16 min)
+{
+	return (aq->api_maj_ver > maj ||
+		(aq->api_maj_ver == maj && aq->api_min_ver >= min));
+}
+
 /**
  * i40e_aq_add_vsi
  * @hw: pointer to the hw struct
@@ -2094,18 +2109,16 @@ i40e_status i40e_aq_set_vsi_unicast_promiscuous(struct i40e_hw *hw,
 
 	if (set) {
 		flags |= I40E_AQC_SET_VSI_PROMISC_UNICAST;
-		if (rx_only_promisc &&
-		    (((hw->aq.api_maj_ver == 1) && (hw->aq.api_min_ver >= 5)) ||
-		     (hw->aq.api_maj_ver > 1)))
-			flags |= I40E_AQC_SET_VSI_PROMISC_TX;
+		if (rx_only_promisc && i40e_is_aq_api_ver_ge(&hw->aq, 1, 5))
+			flags |= I40E_AQC_SET_VSI_PROMISC_RX_ONLY;
 	}
 
 	cmd->promiscuous_flags = cpu_to_le16(flags);
 
 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_UNICAST);
-	if (((hw->aq.api_maj_ver >= 1) && (hw->aq.api_min_ver >= 5)) ||
-	    (hw->aq.api_maj_ver > 1))
-		cmd->valid_flags |= cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_TX);
+	if (i40e_is_aq_api_ver_ge(&hw->aq, 1, 5))
+		cmd->valid_flags |=
+			cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_RX_ONLY);
 
 	cmd->seid = cpu_to_le16(seid);
 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
@@ -2202,11 +2215,17 @@ enum i40e_status_code i40e_aq_set_vsi_uc_promisc_on_vlan(struct i40e_hw *hw,
 	i40e_fill_default_direct_cmd_desc(&desc,
 					  i40e_aqc_opc_set_vsi_promiscuous_modes);
 
-	if (enable)
+	if (enable) {
 		flags |= I40E_AQC_SET_VSI_PROMISC_UNICAST;
+		if (i40e_is_aq_api_ver_ge(&hw->aq, 1, 5))
+			flags |= I40E_AQC_SET_VSI_PROMISC_RX_ONLY;
+	}
 
 	cmd->promiscuous_flags = cpu_to_le16(flags);
 	cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_UNICAST);
+	if (i40e_is_aq_api_ver_ge(&hw->aq, 1, 5))
+		cmd->valid_flags |=
+			cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_RX_ONLY);
 	cmd->seid = cpu_to_le16(seid);
 	cmd->vlan_tag = cpu_to_le16(vid | I40E_AQC_SET_VSI_VLAN_VALID);
 
diff --git linux-libre-5.8.3-gnu/drivers/net/ethernet/intel/i40e/i40e_main.c linux-libre-5.8.4-gnu/drivers/net/ethernet/intel/i40e/i40e_main.c
index 56ecd6c3f236..6af6367e7cac 100644
--- linux-libre-5.8.3-gnu/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ linux-libre-5.8.4-gnu/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -15352,6 +15352,9 @@ static void i40e_remove(struct pci_dev *pdev)
 	i40e_write_rx_ctl(hw, I40E_PFQF_HENA(0), 0);
 	i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), 0);
 
+	while (test_bit(__I40E_RESET_RECOVERY_PENDING, pf->state))
+		usleep_range(1000, 2000);
+
 	/* no more scheduling of any task */
 	set_bit(__I40E_SUSPENDED, pf->state);
 	set_bit(__I40E_DOWN, pf->state);
diff --git linux-libre-5.8.3-gnu/drivers/net/ethernet/intel/igc/igc_main.c linux-libre-5.8.4-gnu/drivers/net/ethernet/intel/igc/igc_main.c
index 6919c50e449a..63259ecd41e5 100644
--- linux-libre-5.8.3-gnu/drivers/net/ethernet/intel/igc/igc_main.c
+++ linux-libre-5.8.4-gnu/drivers/net/ethernet/intel/igc/igc_main.c
@@ -5158,6 +5158,8 @@ static int igc_probe(struct pci_dev *pdev,
 	device_set_wakeup_enable(&adapter->pdev->dev,
 				 adapter->flags & IGC_FLAG_WOL_SUPPORTED);
 
+	igc_ptp_init(adapter);
+
 	/* reset the hardware with the new settings */
 	igc_reset(adapter);
 
@@ -5174,9 +5176,6 @@ static int igc_probe(struct pci_dev *pdev,
 	 /* carrier off reporting is important to ethtool even BEFORE open */
 	netif_carrier_off(netdev);
 
-	/* do hw tstamp init after resetting */
-	igc_ptp_init(adapter);
-
 	/* Check if Media Autosense is enabled */
 	adapter->ei = *ei;
 
diff --git linux-libre-5.8.3-gnu/drivers/net/ethernet/intel/igc/igc_ptp.c linux-libre-5.8.4-gnu/drivers/net/ethernet/intel/igc/igc_ptp.c
index 0d746f8588c8..61e38853aa47 100644
--- linux-libre-5.8.3-gnu/drivers/net/ethernet/intel/igc/igc_ptp.c
+++ linux-libre-5.8.4-gnu/drivers/net/ethernet/intel/igc/igc_ptp.c
@@ -608,8 +608,6 @@ void igc_ptp_init(struct igc_adapter *adapter)
 	adapter->tstamp_config.rx_filter = HWTSTAMP_FILTER_NONE;
 	adapter->tstamp_config.tx_type = HWTSTAMP_TX_OFF;
 
-	igc_ptp_reset(adapter);
-
 	adapter->ptp_clock = ptp_clock_register(&adapter->ptp_caps,
 						&adapter->pdev->dev);
 	if (IS_ERR(adapter->ptp_clock)) {
diff --git linux-libre-5.8.3-gnu/drivers/net/hyperv/netvsc_drv.c linux-libre-5.8.4-gnu/drivers/net/hyperv/netvsc_drv.c
index 0d779bba1b01..6b81c04ab5e2 100644
--- linux-libre-5.8.3-gnu/drivers/net/hyperv/netvsc_drv.c
+++ linux-libre-5.8.4-gnu/drivers/net/hyperv/netvsc_drv.c
@@ -502,7 +502,7 @@ static int netvsc_vf_xmit(struct net_device *net, struct net_device *vf_netdev,
 	int rc;
 
 	skb->dev = vf_netdev;
-	skb->queue_mapping = qdisc_skb_cb(skb)->slave_dev_queue_mapping;
+	skb_record_rx_queue(skb, qdisc_skb_cb(skb)->slave_dev_queue_mapping);
 
 	rc = dev_queue_xmit(skb);
 	if (likely(rc == NET_XMIT_SUCCESS || rc == NET_XMIT_CN)) {
diff --git linux-libre-5.8.3-gnu/drivers/net/ipvlan/ipvlan_main.c linux-libre-5.8.4-gnu/drivers/net/ipvlan/ipvlan_main.c
index 15e87c097b0b..5bca94c99006 100644
--- linux-libre-5.8.3-gnu/drivers/net/ipvlan/ipvlan_main.c
+++ linux-libre-5.8.4-gnu/drivers/net/ipvlan/ipvlan_main.c
@@ -106,12 +106,21 @@ static void ipvlan_port_destroy(struct net_device *dev)
 	kfree(port);
 }
 
+#define IPVLAN_ALWAYS_ON_OFLOADS \
+	(NETIF_F_SG | NETIF_F_HW_CSUM | \
+	 NETIF_F_GSO_ROBUST | NETIF_F_GSO_SOFTWARE | NETIF_F_GSO_ENCAP_ALL)
+
+#define IPVLAN_ALWAYS_ON \
+	(IPVLAN_ALWAYS_ON_OFLOADS | NETIF_F_LLTX | NETIF_F_VLAN_CHALLENGED)
+
 #define IPVLAN_FEATURES \
-	(NETIF_F_SG | NETIF_F_CSUM_MASK | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | \
+	(NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | \
 	 NETIF_F_GSO | NETIF_F_ALL_TSO | NETIF_F_GSO_ROBUST | \
 	 NETIF_F_GRO | NETIF_F_RXCSUM | \
 	 NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_STAG_FILTER)
 
+	/* NETIF_F_GSO_ENCAP_ALL NETIF_F_GSO_SOFTWARE Newly added */
+
 #define IPVLAN_STATE_MASK \
 	((1<<__LINK_STATE_NOCARRIER) | (1<<__LINK_STATE_DORMANT))
 
@@ -125,7 +134,9 @@ static int ipvlan_init(struct net_device *dev)
 	dev->state = (dev->state & ~IPVLAN_STATE_MASK) |
 		     (phy_dev->state & IPVLAN_STATE_MASK);
 	dev->features = phy_dev->features & IPVLAN_FEATURES;
-	dev->features |= NETIF_F_LLTX | NETIF_F_VLAN_CHALLENGED;
+	dev->features |= IPVLAN_ALWAYS_ON;
+	dev->vlan_features = phy_dev->vlan_features & IPVLAN_FEATURES;
+	dev->vlan_features |= IPVLAN_ALWAYS_ON_OFLOADS;
 	dev->hw_enc_features |= dev->features;
 	dev->gso_max_size = phy_dev->gso_max_size;
 	dev->gso_max_segs = phy_dev->gso_max_segs;
@@ -227,7 +238,14 @@ static netdev_features_t ipvlan_fix_features(struct net_device *dev,
 {
 	struct ipvl_dev *ipvlan = netdev_priv(dev);
 
-	return features & (ipvlan->sfeatures | ~IPVLAN_FEATURES);
+	features |= NETIF_F_ALL_FOR_ALL;
+	features &= (ipvlan->sfeatures | ~IPVLAN_FEATURES);
+	features = netdev_increment_features(ipvlan->phy_dev->features,
+					     features, features);
+	features |= IPVLAN_ALWAYS_ON;
+	features &= (IPVLAN_FEATURES | IPVLAN_ALWAYS_ON);
+
+	return features;
 }
 
 static void ipvlan_change_rx_flags(struct net_device *dev, int change)
@@ -734,10 +752,9 @@ static int ipvlan_device_event(struct notifier_block *unused,
 
 	case NETDEV_FEAT_CHANGE:
 		list_for_each_entry(ipvlan, &port->ipvlans, pnode) {
-			ipvlan->dev->features = dev->features & IPVLAN_FEATURES;
 			ipvlan->dev->gso_max_size = dev->gso_max_size;
 			ipvlan->dev->gso_max_segs = dev->gso_max_segs;
-			netdev_features_change(ipvlan->dev);
+			netdev_update_features(ipvlan->dev);
 		}
 		break;
 
diff --git linux-libre-5.8.3-gnu/drivers/of/address.c linux-libre-5.8.4-gnu/drivers/of/address.c
index 8eea3f6e29a4..340d3051b1ce 100644
--- linux-libre-5.8.3-gnu/drivers/of/address.c
+++ linux-libre-5.8.4-gnu/drivers/of/address.c
@@ -980,6 +980,11 @@ int of_dma_get_range(struct device_node *np, u64 *dma_addr, u64 *paddr, u64 *siz
 			/* Don't error out as we'd break some existing DTs */
 			continue;
 		}
+		if (range.cpu_addr == OF_BAD_ADDR) {
+			pr_err("translation of DMA address(%llx) to CPU address failed node(%pOF)\n",
+			       range.bus_addr, node);
+			continue;
+		}
 		dma_offset = range.cpu_addr - range.bus_addr;
 
 		/* Take lower and upper limits */
diff --git linux-libre-5.8.3-gnu/drivers/opp/core.c linux-libre-5.8.4-gnu/drivers/opp/core.c
index dfbd3d10410c..8c90f7871772 100644
--- linux-libre-5.8.3-gnu/drivers/opp/core.c
+++ linux-libre-5.8.4-gnu/drivers/opp/core.c
@@ -862,8 +862,10 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
 		 * have OPP table for the device, while others don't and
 		 * opp_set_rate() just needs to behave like clk_set_rate().
 		 */
-		if (!_get_opp_count(opp_table))
-			return 0;
+		if (!_get_opp_count(opp_table)) {
+			ret = 0;
+			goto put_opp_table;
+		}
 
 		if (!opp_table->required_opp_tables && !opp_table->regulators &&
 		    !opp_table->paths) {
@@ -874,7 +876,7 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
 
 		ret = _set_opp_bw(opp_table, NULL, dev, true);
 		if (ret)
-			return ret;
+			goto put_opp_table;
 
 		if (opp_table->regulator_enabled) {
 			regulator_disable(opp_table->regulators[0]);
@@ -901,10 +903,13 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
 
 	/* Return early if nothing to do */
 	if (old_freq == freq) {
-		dev_dbg(dev, "%s: old/new frequencies (%lu Hz) are same, nothing to do\n",
-			__func__, freq);
-		ret = 0;
-		goto put_opp_table;
+		if (!opp_table->required_opp_tables && !opp_table->regulators &&
+		    !opp_table->paths) {
+			dev_dbg(dev, "%s: old/new frequencies (%lu Hz) are same, nothing to do\n",
+				__func__, freq);
+			ret = 0;
+			goto put_opp_table;
+		}
 	}
 
 	/*
diff --git linux-libre-5.8.3-gnu/drivers/pci/hotplug/s390_pci_hpc.c linux-libre-5.8.4-gnu/drivers/pci/hotplug/s390_pci_hpc.c
index b59f84918fe0..c9e790c74051 100644
--- linux-libre-5.8.3-gnu/drivers/pci/hotplug/s390_pci_hpc.c
+++ linux-libre-5.8.4-gnu/drivers/pci/hotplug/s390_pci_hpc.c
@@ -83,21 +83,19 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
 	struct zpci_dev *zdev = container_of(hotplug_slot, struct zpci_dev,
 					     hotplug_slot);
 	struct pci_dev *pdev;
-	struct zpci_bus *zbus = zdev->zbus;
 	int rc;
 
 	if (!zpci_fn_configured(zdev->state))
 		return -EIO;
 
-	pdev = pci_get_slot(zbus->bus, zdev->devfn);
-	if (pdev) {
-		if (pci_num_vf(pdev))
-			return -EBUSY;
-
-		pci_stop_and_remove_bus_device_locked(pdev);
+	pdev = pci_get_slot(zdev->zbus->bus, zdev->devfn);
+	if (pdev && pci_num_vf(pdev)) {
 		pci_dev_put(pdev);
+		return -EBUSY;
 	}
 
+	zpci_remove_device(zdev);
+
 	rc = zpci_disable_device(zdev);
 	if (rc)
 		return rc;
diff --git linux-libre-5.8.3-gnu/drivers/rtc/rtc-goldfish.c linux-libre-5.8.4-gnu/drivers/rtc/rtc-goldfish.c
index 27797157fcb3..6349d2cd3680 100644
--- linux-libre-5.8.3-gnu/drivers/rtc/rtc-goldfish.c
+++ linux-libre-5.8.4-gnu/drivers/rtc/rtc-goldfish.c
@@ -73,6 +73,7 @@ static int goldfish_rtc_set_alarm(struct device *dev,
 		rtc_alarm64 = rtc_tm_to_time64(&alrm->time) * NSEC_PER_SEC;
 		writel((rtc_alarm64 >> 32), base + TIMER_ALARM_HIGH);
 		writel(rtc_alarm64, base + TIMER_ALARM_LOW);
+		writel(1, base + TIMER_IRQ_ENABLED);
 	} else {
 		/*
 		 * if this function was called with enabled=0
diff --git linux-libre-5.8.3-gnu/drivers/s390/scsi/zfcp_fsf.c linux-libre-5.8.4-gnu/drivers/s390/scsi/zfcp_fsf.c
index c795f22249d8..140186fe1d1e 100644
--- linux-libre-5.8.3-gnu/drivers/s390/scsi/zfcp_fsf.c
+++ linux-libre-5.8.4-gnu/drivers/s390/scsi/zfcp_fsf.c
@@ -434,7 +434,7 @@ static void zfcp_fsf_req_complete(struct zfcp_fsf_req *req)
 		return;
 	}
 
-	del_timer(&req->timer);
+	del_timer_sync(&req->timer);
 	zfcp_fsf_protstatus_eval(req);
 	zfcp_fsf_fsfstatus_eval(req);
 	req->handler(req);
@@ -867,7 +867,7 @@ static int zfcp_fsf_req_send(struct zfcp_fsf_req *req)
 	req->qdio_req.qdio_outb_usage = atomic_read(&qdio->req_q_free);
 	req->issued = get_tod_clock();
 	if (zfcp_qdio_send(qdio, &req->qdio_req)) {
-		del_timer(&req->timer);
+		del_timer_sync(&req->timer);
 		/* lookup request again, list might have changed */
 		zfcp_reqlist_find_rm(adapter->req_list, req_id);
 		zfcp_erp_adapter_reopen(adapter, 0, "fsrs__1");
diff --git linux-libre-5.8.3-gnu/drivers/scsi/libfc/fc_disc.c linux-libre-5.8.4-gnu/drivers/scsi/libfc/fc_disc.c
index 2b865c6423e2..e00dc4693fcb 100644
--- linux-libre-5.8.3-gnu/drivers/scsi/libfc/fc_disc.c
+++ linux-libre-5.8.4-gnu/drivers/scsi/libfc/fc_disc.c
@@ -581,8 +581,12 @@ static void fc_disc_gpn_id_resp(struct fc_seq *sp, struct fc_frame *fp,
 
 	if (PTR_ERR(fp) == -FC_EX_CLOSED)
 		goto out;
-	if (IS_ERR(fp))
-		goto redisc;
+	if (IS_ERR(fp)) {
+		mutex_lock(&disc->disc_mutex);
+		fc_disc_restart(disc);
+		mutex_unlock(&disc->disc_mutex);
+		goto out;
+	}
 
 	cp = fc_frame_payload_get(fp, sizeof(*cp));
 	if (!cp)
@@ -609,7 +613,7 @@ static void fc_disc_gpn_id_resp(struct fc_seq *sp, struct fc_frame *fp,
 				new_rdata->disc_id = disc->disc_id;
 				fc_rport_login(new_rdata);
 			}
-			goto out;
+			goto free_fp;
 		}
 		rdata->disc_id = disc->disc_id;
 		mutex_unlock(&rdata->rp_mutex);
@@ -626,6 +630,8 @@ redisc:
 		fc_disc_restart(disc);
 		mutex_unlock(&disc->disc_mutex);
 	}
+free_fp:
+	fc_frame_free(fp);
 out:
 	kref_put(&rdata->kref, fc_rport_destroy);
 	if (!IS_ERR(fp))
diff --git linux-libre-5.8.3-gnu/drivers/scsi/qla2xxx/qla_os.c linux-libre-5.8.4-gnu/drivers/scsi/qla2xxx/qla_os.c
index 7a66d61880db..5c64cfb4621c 100644
--- linux-libre-5.8.3-gnu/drivers/scsi/qla2xxx/qla_os.c
+++ linux-libre-5.8.4-gnu/drivers/scsi/qla2xxx/qla_os.c
@@ -2829,10 +2829,6 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	/* This may fail but that's ok */
 	pci_enable_pcie_error_reporting(pdev);
 
-	/* Turn off T10-DIF when FC-NVMe is enabled */
-	if (ql2xnvmeenable)
-		ql2xenabledif = 0;
-
 	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
 	if (!ha) {
 		ql_log_pci(ql_log_fatal, pdev, 0x0009,
diff --git linux-libre-5.8.3-gnu/drivers/scsi/ufs/ti-j721e-ufs.c linux-libre-5.8.4-gnu/drivers/scsi/ufs/ti-j721e-ufs.c
index 46bb905b4d6a..eafe0db98d54 100644
--- linux-libre-5.8.3-gnu/drivers/scsi/ufs/ti-j721e-ufs.c
+++ linux-libre-5.8.4-gnu/drivers/scsi/ufs/ti-j721e-ufs.c
@@ -38,6 +38,7 @@ static int ti_j721e_ufs_probe(struct platform_device *pdev)
 	/* Select MPHY refclk frequency */
 	clk = devm_clk_get(dev, NULL);
 	if (IS_ERR(clk)) {
+		ret = PTR_ERR(clk);
 		dev_err(dev, "Cannot claim MPHY clock.\n");
 		goto clk_err;
 	}
diff --git linux-libre-5.8.3-gnu/drivers/scsi/ufs/ufs_quirks.h linux-libre-5.8.4-gnu/drivers/scsi/ufs/ufs_quirks.h
index e3175a63c676..e80d5f26a442 100644
--- linux-libre-5.8.3-gnu/drivers/scsi/ufs/ufs_quirks.h
+++ linux-libre-5.8.4-gnu/drivers/scsi/ufs/ufs_quirks.h
@@ -12,6 +12,7 @@
 #define UFS_ANY_VENDOR 0xFFFF
 #define UFS_ANY_MODEL  "ANY_MODEL"
 
+#define UFS_VENDOR_MICRON      0x12C
 #define UFS_VENDOR_TOSHIBA     0x198
 #define UFS_VENDOR_SAMSUNG     0x1CE
 #define UFS_VENDOR_SKHYNIX     0x1AD
diff --git linux-libre-5.8.3-gnu/drivers/scsi/ufs/ufshcd-pci.c linux-libre-5.8.4-gnu/drivers/scsi/ufs/ufshcd-pci.c
index 8f78a8151499..b220666774ce 100644
--- linux-libre-5.8.3-gnu/drivers/scsi/ufs/ufshcd-pci.c
+++ linux-libre-5.8.4-gnu/drivers/scsi/ufs/ufshcd-pci.c
@@ -67,11 +67,23 @@ static int ufs_intel_link_startup_notify(struct ufs_hba *hba,
 	return err;
 }
 
+static int ufs_intel_ehl_init(struct ufs_hba *hba)
+{
+	hba->quirks |= UFSHCD_QUIRK_BROKEN_AUTO_HIBERN8;
+	return 0;
+}
+
 static struct ufs_hba_variant_ops ufs_intel_cnl_hba_vops = {
 	.name                   = "intel-pci",
 	.link_startup_notify	= ufs_intel_link_startup_notify,
 };
 
+static struct ufs_hba_variant_ops ufs_intel_ehl_hba_vops = {
+	.name                   = "intel-pci",
+	.init			= ufs_intel_ehl_init,
+	.link_startup_notify	= ufs_intel_link_startup_notify,
+};
+
 #ifdef CONFIG_PM_SLEEP
 /**
  * ufshcd_pci_suspend - suspend power management function
@@ -200,8 +212,8 @@ static const struct dev_pm_ops ufshcd_pci_pm_ops = {
 static const struct pci_device_id ufshcd_pci_tbl[] = {
 	{ PCI_VENDOR_ID_SAMSUNG, 0xC00C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
 	{ PCI_VDEVICE(INTEL, 0x9DFA), (kernel_ulong_t)&ufs_intel_cnl_hba_vops },
-	{ PCI_VDEVICE(INTEL, 0x4B41), (kernel_ulong_t)&ufs_intel_cnl_hba_vops },
-	{ PCI_VDEVICE(INTEL, 0x4B43), (kernel_ulong_t)&ufs_intel_cnl_hba_vops },
+	{ PCI_VDEVICE(INTEL, 0x4B41), (kernel_ulong_t)&ufs_intel_ehl_hba_vops },
+	{ PCI_VDEVICE(INTEL, 0x4B43), (kernel_ulong_t)&ufs_intel_ehl_hba_vops },
 	{ }	/* terminate list */
 };
 
diff --git linux-libre-5.8.3-gnu/drivers/scsi/ufs/ufshcd.c linux-libre-5.8.4-gnu/drivers/scsi/ufs/ufshcd.c
index e412e43d2382..136b863bc1d4 100644
--- linux-libre-5.8.3-gnu/drivers/scsi/ufs/ufshcd.c
+++ linux-libre-5.8.4-gnu/drivers/scsi/ufs/ufshcd.c
@@ -216,6 +216,8 @@ ufs_get_desired_pm_lvl_for_dev_link_state(enum ufs_dev_pwr_mode dev_state,
 
 static struct ufs_dev_fix ufs_fixups[] = {
 	/* UFS cards deviations table */
+	UFS_FIX(UFS_VENDOR_MICRON, UFS_ANY_MODEL,
+		UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM),
 	UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL,
 		UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM),
 	UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL,
@@ -672,7 +674,11 @@ static inline int ufshcd_get_tr_ocs(struct ufshcd_lrb *lrbp)
  */
 static inline void ufshcd_utrl_clear(struct ufs_hba *hba, u32 pos)
 {
-	ufshcd_writel(hba, ~(1 << pos), REG_UTP_TRANSFER_REQ_LIST_CLEAR);
+	if (hba->quirks & UFSHCI_QUIRK_BROKEN_REQ_LIST_CLR)
+		ufshcd_writel(hba, (1 << pos), REG_UTP_TRANSFER_REQ_LIST_CLEAR);
+	else
+		ufshcd_writel(hba, ~(1 << pos),
+				REG_UTP_TRANSFER_REQ_LIST_CLEAR);
 }
 
 /**
@@ -682,7 +688,10 @@ static inline void ufshcd_utrl_clear(struct ufs_hba *hba, u32 pos)
  */
 static inline void ufshcd_utmrl_clear(struct ufs_hba *hba, u32 pos)
 {
-	ufshcd_writel(hba, ~(1 << pos), REG_UTP_TASK_REQ_LIST_CLEAR);
+	if (hba->quirks & UFSHCI_QUIRK_BROKEN_REQ_LIST_CLR)
+		ufshcd_writel(hba, (1 << pos), REG_UTP_TASK_REQ_LIST_CLEAR);
+	else
+		ufshcd_writel(hba, ~(1 << pos), REG_UTP_TASK_REQ_LIST_CLEAR);
 }
 
 /**
@@ -2166,8 +2175,14 @@ static int ufshcd_map_sg(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
 		return sg_segments;
 
 	if (sg_segments) {
-		lrbp->utr_descriptor_ptr->prd_table_length =
-			cpu_to_le16((u16)sg_segments);
+
+		if (hba->quirks & UFSHCD_QUIRK_PRDT_BYTE_GRAN)
+			lrbp->utr_descriptor_ptr->prd_table_length =
+				cpu_to_le16((sg_segments *
+					sizeof(struct ufshcd_sg_entry)));
+		else
+			lrbp->utr_descriptor_ptr->prd_table_length =
+				cpu_to_le16((u16) (sg_segments));
 
 		prd_table = (struct ufshcd_sg_entry *)lrbp->ucd_prdt_ptr;
 
@@ -3514,11 +3529,21 @@ static void ufshcd_host_memory_configure(struct ufs_hba *hba)
 				cpu_to_le32(upper_32_bits(cmd_desc_element_addr));
 
 		/* Response upiu and prdt offset should be in double words */
-		utrdlp[i].response_upiu_offset =
-			cpu_to_le16(response_offset >> 2);
-		utrdlp[i].prd_table_offset = cpu_to_le16(prdt_offset >> 2);
-		utrdlp[i].response_upiu_length =
-			cpu_to_le16(ALIGNED_UPIU_SIZE >> 2);
+		if (hba->quirks & UFSHCD_QUIRK_PRDT_BYTE_GRAN) {
+			utrdlp[i].response_upiu_offset =
+				cpu_to_le16(response_offset);
+			utrdlp[i].prd_table_offset =
+				cpu_to_le16(prdt_offset);
+			utrdlp[i].response_upiu_length =
+				cpu_to_le16(ALIGNED_UPIU_SIZE);
+		} else {
+			utrdlp[i].response_upiu_offset =
+				cpu_to_le16(response_offset >> 2);
+			utrdlp[i].prd_table_offset =
+				cpu_to_le16(prdt_offset >> 2);
+			utrdlp[i].response_upiu_length =
+				cpu_to_le16(ALIGNED_UPIU_SIZE >> 2);
+		}
 
 		ufshcd_init_lrb(hba, &hba->lrb[i], i);
 	}
@@ -3548,6 +3573,52 @@ static int ufshcd_dme_link_startup(struct ufs_hba *hba)
 			"dme-link-startup: error code %d\n", ret);
 	return ret;
 }
+/**
+ * ufshcd_dme_reset - UIC command for DME_RESET
+ * @hba: per adapter instance
+ *
+ * DME_RESET command is issued in order to reset UniPro stack.
+ * This function now deals with cold reset.
+ *
+ * Returns 0 on success, non-zero value on failure
+ */
+static int ufshcd_dme_reset(struct ufs_hba *hba)
+{
+	struct uic_command uic_cmd = {0};
+	int ret;
+
+	uic_cmd.command = UIC_CMD_DME_RESET;
+
+	ret = ufshcd_send_uic_cmd(hba, &uic_cmd);
+	if (ret)
+		dev_err(hba->dev,
+			"dme-reset: error code %d\n", ret);
+
+	return ret;
+}
+
+/**
+ * ufshcd_dme_enable - UIC command for DME_ENABLE
+ * @hba: per adapter instance
+ *
+ * DME_ENABLE command is issued in order to enable UniPro stack.
+ *
+ * Returns 0 on success, non-zero value on failure
+ */
+static int ufshcd_dme_enable(struct ufs_hba *hba)
+{
+	struct uic_command uic_cmd = {0};
+	int ret;
+
+	uic_cmd.command = UIC_CMD_DME_ENABLE;
+
+	ret = ufshcd_send_uic_cmd(hba, &uic_cmd);
+	if (ret)
+		dev_err(hba->dev,
+			"dme-reset: error code %d\n", ret);
+
+	return ret;
+}
 
 static inline void ufshcd_add_delay_before_dme_cmd(struct ufs_hba *hba)
 {
@@ -4272,7 +4343,7 @@ static inline void ufshcd_hba_stop(struct ufs_hba *hba)
 }
 
 /**
- * ufshcd_hba_enable - initialize the controller
+ * ufshcd_hba_execute_hce - initialize the controller
  * @hba: per adapter instance
  *
  * The controller resets itself and controller firmware initialization
@@ -4281,7 +4352,7 @@ static inline void ufshcd_hba_stop(struct ufs_hba *hba)
  *
  * Returns 0 on success, non-zero value on failure
  */
-int ufshcd_hba_enable(struct ufs_hba *hba)
+static int ufshcd_hba_execute_hce(struct ufs_hba *hba)
 {
 	int retry;
 
@@ -4329,6 +4400,32 @@ int ufshcd_hba_enable(struct ufs_hba *hba)
 
 	return 0;
 }
+
+int ufshcd_hba_enable(struct ufs_hba *hba)
+{
+	int ret;
+
+	if (hba->quirks & UFSHCI_QUIRK_BROKEN_HCE) {
+		ufshcd_set_link_off(hba);
+		ufshcd_vops_hce_enable_notify(hba, PRE_CHANGE);
+
+		/* enable UIC related interrupts */
+		ufshcd_enable_intr(hba, UFSHCD_UIC_MASK);
+		ret = ufshcd_dme_reset(hba);
+		if (!ret) {
+			ret = ufshcd_dme_enable(hba);
+			if (!ret)
+				ufshcd_vops_hce_enable_notify(hba, POST_CHANGE);
+			if (ret)
+				dev_err(hba->dev,
+					"Host controller enable failed with non-hce\n");
+		}
+	} else {
+		ret = ufshcd_hba_execute_hce(hba);
+	}
+
+	return ret;
+}
 EXPORT_SYMBOL_GPL(ufshcd_hba_enable);
 
 static int ufshcd_disable_tx_lcc(struct ufs_hba *hba, bool peer)
@@ -4727,6 +4824,12 @@ ufshcd_transfer_rsp_status(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
 	/* overall command status of utrd */
 	ocs = ufshcd_get_tr_ocs(lrbp);
 
+	if (hba->quirks & UFSHCD_QUIRK_BROKEN_OCS_FATAL_ERROR) {
+		if (be32_to_cpu(lrbp->ucd_rsp_ptr->header.dword_1) &
+					MASK_RSP_UPIU_RESULT)
+			ocs = OCS_SUCCESS;
+	}
+
 	switch (ocs) {
 	case OCS_SUCCESS:
 		result = ufshcd_get_req_rsp(lrbp->ucd_rsp_ptr);
@@ -4905,7 +5008,8 @@ static irqreturn_t ufshcd_transfer_req_compl(struct ufs_hba *hba)
 	 * false interrupt if device completes another request after resetting
 	 * aggregation and before reading the DB.
 	 */
-	if (ufshcd_is_intr_aggr_allowed(hba))
+	if (ufshcd_is_intr_aggr_allowed(hba) &&
+	    !(hba->quirks & UFSHCI_QUIRK_SKIP_RESET_INTR_AGGR))
 		ufshcd_reset_intr_aggr(hba);
 
 	tr_doorbell = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL);
@@ -5909,7 +6013,7 @@ static irqreturn_t ufshcd_intr(int irq, void *__hba)
 		intr_status = ufshcd_readl(hba, REG_INTERRUPT_STATUS);
 	} while (intr_status && --retries);
 
-	if (retval == IRQ_NONE) {
+	if (enabled_intr_status && retval == IRQ_NONE) {
 		dev_err(hba->dev, "%s: Unhandled interrupt 0x%08x\n",
 					__func__, intr_status);
 		ufshcd_dump_regs(hba, 0, UFSHCI_REG_SPACE_SIZE, "host_regs: ");
diff --git linux-libre-5.8.3-gnu/drivers/scsi/ufs/ufshcd.h linux-libre-5.8.4-gnu/drivers/scsi/ufs/ufshcd.h
index 16187be98a94..4bf98c229537 100644
--- linux-libre-5.8.3-gnu/drivers/scsi/ufs/ufshcd.h
+++ linux-libre-5.8.4-gnu/drivers/scsi/ufs/ufshcd.h
@@ -520,6 +520,41 @@ enum ufshcd_quirks {
 	 * ops (get_ufs_hci_version) to get the correct version.
 	 */
 	UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION		= 1 << 5,
+
+	/*
+	 * Clear handling for transfer/task request list is just opposite.
+	 */
+	UFSHCI_QUIRK_BROKEN_REQ_LIST_CLR		= 1 << 6,
+
+	/*
+	 * This quirk needs to be enabled if host controller doesn't allow
+	 * that the interrupt aggregation timer and counter are reset by s/w.
+	 */
+	UFSHCI_QUIRK_SKIP_RESET_INTR_AGGR		= 1 << 7,
+
+	/*
+	 * This quirks needs to be enabled if host controller cannot be
+	 * enabled via HCE register.
+	 */
+	UFSHCI_QUIRK_BROKEN_HCE				= 1 << 8,
+
+	/*
+	 * This quirk needs to be enabled if the host controller regards
+	 * resolution of the values of PRDTO and PRDTL in UTRD as byte.
+	 */
+	UFSHCD_QUIRK_PRDT_BYTE_GRAN			= 1 << 9,
+
+	/*
+	 * This quirk needs to be enabled if the host controller reports
+	 * OCS FATAL ERROR with device error through sense data
+	 */
+	UFSHCD_QUIRK_BROKEN_OCS_FATAL_ERROR		= 1 << 10,
+
+	/*
+	 * This quirk needs to be enabled if the host controller has
+	 * auto-hibernate capability but it doesn't work.
+	 */
+	UFSHCD_QUIRK_BROKEN_AUTO_HIBERN8		= 1 << 11,
 };
 
 enum ufshcd_caps {
@@ -786,7 +821,8 @@ return true;
 
 static inline bool ufshcd_is_auto_hibern8_supported(struct ufs_hba *hba)
 {
-	return (hba->capabilities & MASK_AUTO_HIBERN8_SUPPORT);
+	return (hba->capabilities & MASK_AUTO_HIBERN8_SUPPORT) &&
+		!(hba->quirks & UFSHCD_QUIRK_BROKEN_AUTO_HIBERN8);
 }
 
 static inline bool ufshcd_is_auto_hibern8_enabled(struct ufs_hba *hba)
diff --git linux-libre-5.8.3-gnu/drivers/spi/Kconfig linux-libre-5.8.4-gnu/drivers/spi/Kconfig
index 8f1f8fca79e3..8eb053803429 100644
--- linux-libre-5.8.3-gnu/drivers/spi/Kconfig
+++ linux-libre-5.8.4-gnu/drivers/spi/Kconfig
@@ -999,4 +999,7 @@ config SPI_SLAVE_SYSTEM_CONTROL
 
 endif # SPI_SLAVE
 
+config SPI_DYNAMIC
+	def_bool ACPI || OF_DYNAMIC || SPI_SLAVE
+
 endif # SPI
diff --git linux-libre-5.8.3-gnu/drivers/spi/spi-stm32.c linux-libre-5.8.4-gnu/drivers/spi/spi-stm32.c
index 4c643dfc7fbb..9672cda2f803 100644
--- linux-libre-5.8.3-gnu/drivers/spi/spi-stm32.c
+++ linux-libre-5.8.4-gnu/drivers/spi/spi-stm32.c
@@ -13,6 +13,7 @@
 #include <linux/iopoll.h>
 #include <linux/module.h>
 #include <linux/of_platform.h>
+#include <linux/pinctrl/consumer.h>
 #include <linux/pm_runtime.h>
 #include <linux/reset.h>
 #include <linux/spi/spi.h>
@@ -1996,6 +1997,8 @@ static int stm32_spi_remove(struct platform_device *pdev)
 
 	pm_runtime_disable(&pdev->dev);
 
+	pinctrl_pm_select_sleep_state(&pdev->dev);
+
 	return 0;
 }
 
@@ -2007,13 +2010,18 @@ static int stm32_spi_runtime_suspend(struct device *dev)
 
 	clk_disable_unprepare(spi->clk);
 
-	return 0;
+	return pinctrl_pm_select_sleep_state(dev);
 }
 
 static int stm32_spi_runtime_resume(struct device *dev)
 {
 	struct spi_master *master = dev_get_drvdata(dev);
 	struct stm32_spi *spi = spi_master_get_devdata(master);
+	int ret;
+
+	ret = pinctrl_pm_select_default_state(dev);
+	if (ret)
+		return ret;
 
 	return clk_prepare_enable(spi->clk);
 }
@@ -2043,10 +2051,23 @@ static int stm32_spi_resume(struct device *dev)
 		return ret;
 
 	ret = spi_master_resume(master);
-	if (ret)
+	if (ret) {
 		clk_disable_unprepare(spi->clk);
+		return ret;
+	}
 
-	return ret;
+	ret = pm_runtime_get_sync(dev);
+	if (ret) {
+		dev_err(dev, "Unable to power device:%d\n", ret);
+		return ret;
+	}
+
+	spi->cfg->config(spi);
+
+	pm_runtime_mark_last_busy(dev);
+	pm_runtime_put_autosuspend(dev);
+
+	return 0;
 }
 #endif
 
diff --git linux-libre-5.8.3-gnu/drivers/spi/spi.c linux-libre-5.8.4-gnu/drivers/spi/spi.c
index 8158e281f354..5c5a95792c0d 100644
--- linux-libre-5.8.3-gnu/drivers/spi/spi.c
+++ linux-libre-5.8.4-gnu/drivers/spi/spi.c
@@ -475,6 +475,12 @@ static LIST_HEAD(spi_controller_list);
  */
 static DEFINE_MUTEX(board_lock);
 
+/*
+ * Prevents addition of devices with same chip select and
+ * addition of devices below an unregistering controller.
+ */
+static DEFINE_MUTEX(spi_add_lock);
+
 /**
  * spi_alloc_device - Allocate a new SPI device
  * @ctlr: Controller to which device is connected
@@ -554,7 +560,6 @@ static int spi_dev_check(struct device *dev, void *data)
  */
 int spi_add_device(struct spi_device *spi)
 {
-	static DEFINE_MUTEX(spi_add_lock);
 	struct spi_controller *ctlr = spi->controller;
 	struct device *dev = ctlr->dev.parent;
 	int status;
@@ -582,6 +587,13 @@ int spi_add_device(struct spi_device *spi)
 		goto done;
 	}
 
+	/* Controller may unregister concurrently */
+	if (IS_ENABLED(CONFIG_SPI_DYNAMIC) &&
+	    !device_is_registered(&ctlr->dev)) {
+		status = -ENODEV;
+		goto done;
+	}
+
 	/* Descriptors take precedence */
 	if (ctlr->cs_gpiods)
 		spi->cs_gpiod = ctlr->cs_gpiods[spi->chip_select];
@@ -2764,6 +2776,10 @@ void spi_unregister_controller(struct spi_controller *ctlr)
 	struct spi_controller *found;
 	int id = ctlr->bus_num;
 
+	/* Prevent addition of new devices, unregister existing ones */
+	if (IS_ENABLED(CONFIG_SPI_DYNAMIC))
+		mutex_lock(&spi_add_lock);
+
 	device_for_each_child(&ctlr->dev, NULL, __unregister);
 
 	/* First make sure that this controller was ever added */
@@ -2784,6 +2800,9 @@ void spi_unregister_controller(struct spi_controller *ctlr)
 	if (found == ctlr)
 		idr_remove(&spi_master_idr, id);
 	mutex_unlock(&board_lock);
+
+	if (IS_ENABLED(CONFIG_SPI_DYNAMIC))
+		mutex_unlock(&spi_add_lock);
 }
 EXPORT_SYMBOL_GPL(spi_unregister_controller);
 
diff --git linux-libre-5.8.3-gnu/drivers/target/target_core_user.c linux-libre-5.8.4-gnu/drivers/target/target_core_user.c
index 560bfec933bc..63cca0e1e912 100644
--- linux-libre-5.8.3-gnu/drivers/target/target_core_user.c
+++ linux-libre-5.8.4-gnu/drivers/target/target_core_user.c
@@ -601,7 +601,7 @@ static inline void tcmu_flush_dcache_range(void *vaddr, size_t size)
 	size = round_up(size+offset, PAGE_SIZE);
 
 	while (size) {
-		flush_dcache_page(virt_to_page(start));
+		flush_dcache_page(vmalloc_to_page(start));
 		start += PAGE_SIZE;
 		size -= PAGE_SIZE;
 	}
diff --git linux-libre-5.8.3-gnu/drivers/vfio/pci/vfio_pci_private.h linux-libre-5.8.4-gnu/drivers/vfio/pci/vfio_pci_private.h
index 86a02aff8735..61ca8ab165dc 100644
--- linux-libre-5.8.3-gnu/drivers/vfio/pci/vfio_pci_private.h
+++ linux-libre-5.8.4-gnu/drivers/vfio/pci/vfio_pci_private.h
@@ -33,12 +33,14 @@
 
 struct vfio_pci_ioeventfd {
 	struct list_head	next;
+	struct vfio_pci_device	*vdev;
 	struct virqfd		*virqfd;
 	void __iomem		*addr;
 	uint64_t		data;
 	loff_t			pos;
 	int			bar;
 	int			count;
+	bool			test_mem;
 };
 
 struct vfio_pci_irq_ctx {
diff --git linux-libre-5.8.3-gnu/drivers/vfio/pci/vfio_pci_rdwr.c linux-libre-5.8.4-gnu/drivers/vfio/pci/vfio_pci_rdwr.c
index 916b184df3a5..9e353c484ace 100644
--- linux-libre-5.8.3-gnu/drivers/vfio/pci/vfio_pci_rdwr.c
+++ linux-libre-5.8.4-gnu/drivers/vfio/pci/vfio_pci_rdwr.c
@@ -37,17 +37,70 @@
 #define vfio_ioread8	ioread8
 #define vfio_iowrite8	iowrite8
 
+#define VFIO_IOWRITE(size) \
+static int vfio_pci_iowrite##size(struct vfio_pci_device *vdev,		\
+			bool test_mem, u##size val, void __iomem *io)	\
+{									\
+	if (test_mem) {							\
+		down_read(&vdev->memory_lock);				\
+		if (!__vfio_pci_memory_enabled(vdev)) {			\
+			up_read(&vdev->memory_lock);			\
+			return -EIO;					\
+		}							\
+	}								\
+									\
+	vfio_iowrite##size(val, io);					\
+									\
+	if (test_mem)							\
+		up_read(&vdev->memory_lock);				\
+									\
+	return 0;							\
+}
+
+VFIO_IOWRITE(8)
+VFIO_IOWRITE(16)
+VFIO_IOWRITE(32)
+#ifdef iowrite64
+VFIO_IOWRITE(64)
+#endif
+
+#define VFIO_IOREAD(size) \
+static int vfio_pci_ioread##size(struct vfio_pci_device *vdev,		\
+			bool test_mem, u##size *val, void __iomem *io)	\
+{									\
+	if (test_mem) {							\
+		down_read(&vdev->memory_lock);				\
+		if (!__vfio_pci_memory_enabled(vdev)) {			\
+			up_read(&vdev->memory_lock);			\
+			return -EIO;					\
+		}							\
+	}								\
+									\
+	*val = vfio_ioread##size(io);					\
+									\
+	if (test_mem)							\
+		up_read(&vdev->memory_lock);				\
+									\
+	return 0;							\
+}
+
+VFIO_IOREAD(8)
+VFIO_IOREAD(16)
+VFIO_IOREAD(32)
+
 /*
  * Read or write from an __iomem region (MMIO or I/O port) with an excluded
  * range which is inaccessible.  The excluded range drops writes and fills
  * reads with -1.  This is intended for handling MSI-X vector tables and
  * leftover space for ROM BARs.
  */
-static ssize_t do_io_rw(void __iomem *io, char __user *buf,
+static ssize_t do_io_rw(struct vfio_pci_device *vdev, bool test_mem,
+			void __iomem *io, char __user *buf,
 			loff_t off, size_t count, size_t x_start,
 			size_t x_end, bool iswrite)
 {
 	ssize_t done = 0;
+	int ret;
 
 	while (count) {
 		size_t fillable, filled;
@@ -66,9 +119,15 @@ static ssize_t do_io_rw(void __iomem *io, char __user *buf,
 				if (copy_from_user(&val, buf, 4))
 					return -EFAULT;
 
-				vfio_iowrite32(val, io + off);
+				ret = vfio_pci_iowrite32(vdev, test_mem,
+							 val, io + off);
+				if (ret)
+					return ret;
 			} else {
-				val = vfio_ioread32(io + off);
+				ret = vfio_pci_ioread32(vdev, test_mem,
+							&val, io + off);
+				if (ret)
+					return ret;
 
 				if (copy_to_user(buf, &val, 4))
 					return -EFAULT;
@@ -82,9 +141,15 @@ static ssize_t do_io_rw(void __iomem *io, char __user *buf,
 				if (copy_from_user(&val, buf, 2))
 					return -EFAULT;
 
-				vfio_iowrite16(val, io + off);
+				ret = vfio_pci_iowrite16(vdev, test_mem,
+							 val, io + off);
+				if (ret)
+					return ret;
 			} else {
-				val = vfio_ioread16(io + off);
+				ret = vfio_pci_ioread16(vdev, test_mem,
+							&val, io + off);
+				if (ret)
+					return ret;
 
 				if (copy_to_user(buf, &val, 2))
 					return -EFAULT;
@@ -98,9 +163,15 @@ static ssize_t do_io_rw(void __iomem *io, char __user *buf,
 				if (copy_from_user(&val, buf, 1))
 					return -EFAULT;
 
-				vfio_iowrite8(val, io + off);
+				ret = vfio_pci_iowrite8(vdev, test_mem,
+							val, io + off);
+				if (ret)
+					return ret;
 			} else {
-				val = vfio_ioread8(io + off);
+				ret = vfio_pci_ioread8(vdev, test_mem,
+						       &val, io + off);
+				if (ret)
+					return ret;
 
 				if (copy_to_user(buf, &val, 1))
 					return -EFAULT;
@@ -178,14 +249,6 @@ ssize_t vfio_pci_bar_rw(struct vfio_pci_device *vdev, char __user *buf,
 
 	count = min(count, (size_t)(end - pos));
 
-	if (res->flags & IORESOURCE_MEM) {
-		down_read(&vdev->memory_lock);
-		if (!__vfio_pci_memory_enabled(vdev)) {
-			up_read(&vdev->memory_lock);
-			return -EIO;
-		}
-	}
-
 	if (bar == PCI_ROM_RESOURCE) {
 		/*
 		 * The ROM can fill less space than the BAR, so we start the
@@ -213,7 +276,8 @@ ssize_t vfio_pci_bar_rw(struct vfio_pci_device *vdev, char __user *buf,
 		x_end = vdev->msix_offset + vdev->msix_size;
 	}
 
-	done = do_io_rw(io, buf, pos, count, x_start, x_end, iswrite);
+	done = do_io_rw(vdev, res->flags & IORESOURCE_MEM, io, buf, pos,
+			count, x_start, x_end, iswrite);
 
 	if (done >= 0)
 		*ppos += done;
@@ -221,9 +285,6 @@ ssize_t vfio_pci_bar_rw(struct vfio_pci_device *vdev, char __user *buf,
 	if (bar == PCI_ROM_RESOURCE)
 		pci_unmap_rom(pdev, io);
 out:
-	if (res->flags & IORESOURCE_MEM)
-		up_read(&vdev->memory_lock);
-
 	return done;
 }
 
@@ -278,7 +339,12 @@ ssize_t vfio_pci_vga_rw(struct vfio_pci_device *vdev, char __user *buf,
 		return ret;
 	}
 
-	done = do_io_rw(iomem, buf, off, count, 0, 0, iswrite);
+	/*
+	 * VGA MMIO is a legacy, non-BAR resource that hopefully allows
+	 * probing, so we don't currently worry about access in relation
+	 * to the memory enable bit in the command register.
+	 */
+	done = do_io_rw(vdev, false, iomem, buf, off, count, 0, 0, iswrite);
 
 	vga_put(vdev->pdev, rsrc);
 
@@ -296,17 +362,21 @@ static int vfio_pci_ioeventfd_handler(void *opaque, void *unused)
 
 	switch (ioeventfd->count) {
 	case 1:
-		vfio_iowrite8(ioeventfd->data, ioeventfd->addr);
+		vfio_pci_iowrite8(ioeventfd->vdev, ioeventfd->test_mem,
+				  ioeventfd->data, ioeventfd->addr);
 		break;
 	case 2:
-		vfio_iowrite16(ioeventfd->data, ioeventfd->addr);
+		vfio_pci_iowrite16(ioeventfd->vdev, ioeventfd->test_mem,
+				   ioeventfd->data, ioeventfd->addr);
 		break;
 	case 4:
-		vfio_iowrite32(ioeventfd->data, ioeventfd->addr);
+		vfio_pci_iowrite32(ioeventfd->vdev, ioeventfd->test_mem,
+				   ioeventfd->data, ioeventfd->addr);
 		break;
 #ifdef iowrite64
 	case 8:
-		vfio_iowrite64(ioeventfd->data, ioeventfd->addr);
+		vfio_pci_iowrite64(ioeventfd->vdev, ioeventfd->test_mem,
+				   ioeventfd->data, ioeventfd->addr);
 		break;
 #endif
 	}
@@ -378,11 +448,13 @@ long vfio_pci_ioeventfd(struct vfio_pci_device *vdev, loff_t offset,
 		goto out_unlock;
 	}
 
+	ioeventfd->vdev = vdev;
 	ioeventfd->addr = vdev->barmap[bar] + pos;
 	ioeventfd->data = data;
 	ioeventfd->pos = pos;
 	ioeventfd->bar = bar;
 	ioeventfd->count = count;
+	ioeventfd->test_mem = vdev->pdev->resource[bar].flags & IORESOURCE_MEM;
 
 	ret = vfio_virqfd_enable(ioeventfd, vfio_pci_ioeventfd_handler,
 				 NULL, NULL, &ioeventfd->virqfd, fd);
diff --git linux-libre-5.8.3-gnu/drivers/vfio/vfio_iommu_type1.c linux-libre-5.8.4-gnu/drivers/vfio/vfio_iommu_type1.c
index 5e556ac9102a..f48f0db908a4 100644
--- linux-libre-5.8.3-gnu/drivers/vfio/vfio_iommu_type1.c
+++ linux-libre-5.8.4-gnu/drivers/vfio/vfio_iommu_type1.c
@@ -1422,13 +1422,16 @@ static int vfio_bus_type(struct device *dev, void *data)
 static int vfio_iommu_replay(struct vfio_iommu *iommu,
 			     struct vfio_domain *domain)
 {
-	struct vfio_domain *d;
+	struct vfio_domain *d = NULL;
 	struct rb_node *n;
 	unsigned long limit = rlimit(RLIMIT_MEMLOCK) >> PAGE_SHIFT;
 	int ret;
 
 	/* Arbitrarily pick the first domain in the list for lookups */
-	d = list_first_entry(&iommu->domain_list, struct vfio_domain, next);
+	if (!list_empty(&iommu->domain_list))
+		d = list_first_entry(&iommu->domain_list,
+				     struct vfio_domain, next);
+
 	n = rb_first(&iommu->dma_list);
 
 	for (; n; n = rb_next(n)) {
@@ -1446,6 +1449,11 @@ static int vfio_iommu_replay(struct vfio_iommu *iommu,
 				phys_addr_t p;
 				dma_addr_t i;
 
+				if (WARN_ON(!d)) { /* mapped w/o a domain?! */
+					ret = -EINVAL;
+					goto unwind;
+				}
+
 				phys = iommu_iova_to_phys(d->domain, iova);
 
 				if (WARN_ON(!phys)) {
@@ -1475,7 +1483,7 @@ static int vfio_iommu_replay(struct vfio_iommu *iommu,
 				if (npage <= 0) {
 					WARN_ON(!npage);
 					ret = (int)npage;
-					return ret;
+					goto unwind;
 				}
 
 				phys = pfn << PAGE_SHIFT;
@@ -1484,14 +1492,67 @@ static int vfio_iommu_replay(struct vfio_iommu *iommu,
 
 			ret = iommu_map(domain->domain, iova, phys,
 					size, dma->prot | domain->prot);
-			if (ret)
-				return ret;
+			if (ret) {
+				if (!dma->iommu_mapped)
+					vfio_unpin_pages_remote(dma, iova,
+							phys >> PAGE_SHIFT,
+							size >> PAGE_SHIFT,
+							true);
+				goto unwind;
+			}
 
 			iova += size;
 		}
+	}
+
+	/* All dmas are now mapped, defer to second tree walk for unwind */
+	for (n = rb_first(&iommu->dma_list); n; n = rb_next(n)) {
+		struct vfio_dma *dma = rb_entry(n, struct vfio_dma, node);
+
 		dma->iommu_mapped = true;
 	}
+
 	return 0;
+
+unwind:
+	for (; n; n = rb_prev(n)) {
+		struct vfio_dma *dma = rb_entry(n, struct vfio_dma, node);
+		dma_addr_t iova;
+
+		if (dma->iommu_mapped) {
+			iommu_unmap(domain->domain, dma->iova, dma->size);
+			continue;
+		}
+
+		iova = dma->iova;
+		while (iova < dma->iova + dma->size) {
+			phys_addr_t phys, p;
+			size_t size;
+			dma_addr_t i;
+
+			phys = iommu_iova_to_phys(domain->domain, iova);
+			if (!phys) {
+				iova += PAGE_SIZE;
+				continue;
+			}
+
+			size = PAGE_SIZE;
+			p = phys + size;
+			i = iova + size;
+			while (i < dma->iova + dma->size &&
+			       p == iommu_iova_to_phys(domain->domain, i)) {
+				size += PAGE_SIZE;
+				p += PAGE_SIZE;
+				i += PAGE_SIZE;
+			}
+
+			iommu_unmap(domain->domain, iova, size);
+			vfio_unpin_pages_remote(dma, iova, phys >> PAGE_SHIFT,
+						size >> PAGE_SHIFT, true);
+		}
+	}
+
+	return ret;
 }
 
 /*
diff --git linux-libre-5.8.3-gnu/drivers/video/fbdev/efifb.c linux-libre-5.8.4-gnu/drivers/video/fbdev/efifb.c
index 65491ae74808..e57c00824965 100644
--- linux-libre-5.8.3-gnu/drivers/video/fbdev/efifb.c
+++ linux-libre-5.8.4-gnu/drivers/video/fbdev/efifb.c
@@ -453,7 +453,7 @@ static int efifb_probe(struct platform_device *dev)
 	info->apertures->ranges[0].base = efifb_fix.smem_start;
 	info->apertures->ranges[0].size = size_remap;
 
-	if (efi_enabled(EFI_BOOT) &&
+	if (efi_enabled(EFI_MEMMAP) &&
 	    !efi_mem_desc_lookup(efifb_fix.smem_start, &md)) {
 		if ((efifb_fix.smem_start + efifb_fix.smem_len) >
 		    (md.phys_addr + (md.num_pages << EFI_PAGE_SHIFT))) {
diff --git linux-libre-5.8.3-gnu/drivers/virtio/virtio_ring.c linux-libre-5.8.4-gnu/drivers/virtio/virtio_ring.c
index 58b96baa8d48..4f7c73e6052f 100644
--- linux-libre-5.8.3-gnu/drivers/virtio/virtio_ring.c
+++ linux-libre-5.8.4-gnu/drivers/virtio/virtio_ring.c
@@ -1960,6 +1960,9 @@ bool virtqueue_poll(struct virtqueue *_vq, unsigned last_used_idx)
 {
 	struct vring_virtqueue *vq = to_vvq(_vq);
 
+	if (unlikely(vq->broken))
+		return false;
+
 	virtio_mb(vq->weak_barriers);
 	return vq->packed_ring ? virtqueue_poll_packed(_vq, last_used_idx) :
 				 virtqueue_poll_split(_vq, last_used_idx);
diff --git linux-libre-5.8.3-gnu/drivers/xen/swiotlb-xen.c linux-libre-5.8.4-gnu/drivers/xen/swiotlb-xen.c
index b6d27762c6f8..5fbadd07819b 100644
--- linux-libre-5.8.3-gnu/drivers/xen/swiotlb-xen.c
+++ linux-libre-5.8.4-gnu/drivers/xen/swiotlb-xen.c
@@ -335,6 +335,7 @@ xen_swiotlb_free_coherent(struct device *hwdev, size_t size, void *vaddr,
 	int order = get_order(size);
 	phys_addr_t phys;
 	u64 dma_mask = DMA_BIT_MASK(32);
+	struct page *page;
 
 	if (hwdev && hwdev->coherent_dma_mask)
 		dma_mask = hwdev->coherent_dma_mask;
@@ -346,9 +347,14 @@ xen_swiotlb_free_coherent(struct device *hwdev, size_t size, void *vaddr,
 	/* Convert the size to actually allocated. */
 	size = 1UL << (order + XEN_PAGE_SHIFT);
 
+	if (is_vmalloc_addr(vaddr))
+		page = vmalloc_to_page(vaddr);
+	else
+		page = virt_to_page(vaddr);
+
 	if (!WARN_ON((dev_addr + size - 1 > dma_mask) ||
 		     range_straddles_page_boundary(phys, size)) &&
-	    TestClearPageXenRemapped(virt_to_page(vaddr)))
+	    TestClearPageXenRemapped(page))
 		xen_destroy_contiguous_region(phys, order);
 
 	xen_free_coherent_pages(hwdev, size, vaddr, (dma_addr_t)phys, attrs);
diff --git linux-libre-5.8.3-gnu/fs/afs/dynroot.c linux-libre-5.8.4-gnu/fs/afs/dynroot.c
index b79879aacc02..7b784af604fd 100644
--- linux-libre-5.8.3-gnu/fs/afs/dynroot.c
+++ linux-libre-5.8.4-gnu/fs/afs/dynroot.c
@@ -382,15 +382,17 @@ void afs_dynroot_depopulate(struct super_block *sb)
 		net->dynroot_sb = NULL;
 	mutex_unlock(&net->proc_cells_lock);
 
-	inode_lock(root->d_inode);
-
-	/* Remove all the pins for dirs created for manually added cells */
-	list_for_each_entry_safe(subdir, tmp, &root->d_subdirs, d_child) {
-		if (subdir->d_fsdata) {
-			subdir->d_fsdata = NULL;
-			dput(subdir);
+	if (root) {
+		inode_lock(root->d_inode);
+
+		/* Remove all the pins for dirs created for manually added cells */
+		list_for_each_entry_safe(subdir, tmp, &root->d_subdirs, d_child) {
+			if (subdir->d_fsdata) {
+				subdir->d_fsdata = NULL;
+				dput(subdir);
+			}
 		}
-	}
 
-	inode_unlock(root->d_inode);
+		inode_unlock(root->d_inode);
+	}
 }
diff --git linux-libre-5.8.3-gnu/fs/afs/fs_operation.c linux-libre-5.8.4-gnu/fs/afs/fs_operation.c
index 24fd163c6323..97cab12b0a6c 100644
--- linux-libre-5.8.3-gnu/fs/afs/fs_operation.c
+++ linux-libre-5.8.4-gnu/fs/afs/fs_operation.c
@@ -235,6 +235,7 @@ int afs_put_operation(struct afs_operation *op)
 	afs_end_cursor(&op->ac);
 	afs_put_serverlist(op->net, op->server_list);
 	afs_put_volume(op->net, op->volume, afs_volume_trace_put_put_op);
+	key_put(op->key);
 	kfree(op);
 	return ret;
 }
diff --git linux-libre-5.8.3-gnu/fs/ceph/mds_client.c linux-libre-5.8.4-gnu/fs/ceph/mds_client.c
index dea971f9d89e..946f9a92658a 100644
--- linux-libre-5.8.3-gnu/fs/ceph/mds_client.c
+++ linux-libre-5.8.4-gnu/fs/ceph/mds_client.c
@@ -4361,7 +4361,6 @@ int ceph_mdsc_init(struct ceph_fs_client *fsc)
 		goto err_mdsc;
 	}
 
-	fsc->mdsc = mdsc;
 	init_completion(&mdsc->safe_umount_waiters);
 	init_waitqueue_head(&mdsc->session_close_wq);
 	INIT_LIST_HEAD(&mdsc->waiting_for_map);
@@ -4416,6 +4415,8 @@ int ceph_mdsc_init(struct ceph_fs_client *fsc)
 
 	strscpy(mdsc->nodename, utsname()->nodename,
 		sizeof(mdsc->nodename));
+
+	fsc->mdsc = mdsc;
 	return 0;
 
 err_mdsmap:
diff --git linux-libre-5.8.3-gnu/fs/eventpoll.c linux-libre-5.8.4-gnu/fs/eventpoll.c
index 12eebcdea9c8..e0decff22ae2 100644
--- linux-libre-5.8.3-gnu/fs/eventpoll.c
+++ linux-libre-5.8.4-gnu/fs/eventpoll.c
@@ -1994,9 +1994,11 @@ static int ep_loop_check_proc(void *priv, void *cookie, int call_nests)
 			 * not already there, and calling reverse_path_check()
 			 * during ep_insert().
 			 */
-			if (list_empty(&epi->ffd.file->f_tfile_llink))
+			if (list_empty(&epi->ffd.file->f_tfile_llink)) {
+				get_file(epi->ffd.file);
 				list_add(&epi->ffd.file->f_tfile_llink,
 					 &tfile_check_list);
+			}
 		}
 	}
 	mutex_unlock(&ep->mtx);
@@ -2040,6 +2042,7 @@ static void clear_tfile_check_list(void)
 		file = list_first_entry(&tfile_check_list, struct file,
 					f_tfile_llink);
 		list_del_init(&file->f_tfile_llink);
+		fput(file);
 	}
 	INIT_LIST_HEAD(&tfile_check_list);
 }
@@ -2200,25 +2203,22 @@ int do_epoll_ctl(int epfd, int op, int fd, struct epoll_event *epds,
 			full_check = 1;
 			if (is_file_epoll(tf.file)) {
 				error = -ELOOP;
-				if (ep_loop_check(ep, tf.file) != 0) {
-					clear_tfile_check_list();
+				if (ep_loop_check(ep, tf.file) != 0)
 					goto error_tgt_fput;
-				}
-			} else
+			} else {
+				get_file(tf.file);
 				list_add(&tf.file->f_tfile_llink,
 							&tfile_check_list);
+			}
 			error = epoll_mutex_lock(&ep->mtx, 0, nonblock);
-			if (error) {
-out_del:
-				list_del(&tf.file->f_tfile_llink);
+			if (error)
 				goto error_tgt_fput;
-			}
 			if (is_file_epoll(tf.file)) {
 				tep = tf.file->private_data;
 				error = epoll_mutex_lock(&tep->mtx, 1, nonblock);
 				if (error) {
 					mutex_unlock(&ep->mtx);
-					goto out_del;
+					goto error_tgt_fput;
 				}
 			}
 		}
@@ -2239,8 +2239,6 @@ out_del:
 			error = ep_insert(ep, epds, tf.file, fd, full_check);
 		} else
 			error = -EEXIST;
-		if (full_check)
-			clear_tfile_check_list();
 		break;
 	case EPOLL_CTL_DEL:
 		if (epi)
@@ -2263,8 +2261,10 @@ out_del:
 	mutex_unlock(&ep->mtx);
 
 error_tgt_fput:
-	if (full_check)
+	if (full_check) {
+		clear_tfile_check_list();
 		mutex_unlock(&epmutex);
+	}
 
 	fdput(tf);
 error_fput:
diff --git linux-libre-5.8.3-gnu/fs/ext4/block_validity.c linux-libre-5.8.4-gnu/fs/ext4/block_validity.c
index 16e9b2fda03a..e830a9d4e10d 100644
--- linux-libre-5.8.3-gnu/fs/ext4/block_validity.c
+++ linux-libre-5.8.4-gnu/fs/ext4/block_validity.c
@@ -24,6 +24,7 @@ struct ext4_system_zone {
 	struct rb_node	node;
 	ext4_fsblk_t	start_blk;
 	unsigned int	count;
+	u32		ino;
 };
 
 static struct kmem_cache *ext4_system_zone_cachep;
@@ -45,7 +46,8 @@ void ext4_exit_system_zone(void)
 static inline int can_merge(struct ext4_system_zone *entry1,
 		     struct ext4_system_zone *entry2)
 {
-	if ((entry1->start_blk + entry1->count) == entry2->start_blk)
+	if ((entry1->start_blk + entry1->count) == entry2->start_blk &&
+	    entry1->ino == entry2->ino)
 		return 1;
 	return 0;
 }
@@ -66,9 +68,9 @@ static void release_system_zone(struct ext4_system_blocks *system_blks)
  */
 static int add_system_zone(struct ext4_system_blocks *system_blks,
 			   ext4_fsblk_t start_blk,
-			   unsigned int count)
+			   unsigned int count, u32 ino)
 {
-	struct ext4_system_zone *new_entry = NULL, *entry;
+	struct ext4_system_zone *new_entry, *entry;
 	struct rb_node **n = &system_blks->root.rb_node, *node;
 	struct rb_node *parent = NULL, *new_node = NULL;
 
@@ -79,30 +81,21 @@ static int add_system_zone(struct ext4_system_blocks *system_blks,
 			n = &(*n)->rb_left;
 		else if (start_blk >= (entry->start_blk + entry->count))
 			n = &(*n)->rb_right;
-		else {
-			if (start_blk + count > (entry->start_blk +
-						 entry->count))
-				entry->count = (start_blk + count -
-						entry->start_blk);
-			new_node = *n;
-			new_entry = rb_entry(new_node, struct ext4_system_zone,
-					     node);
-			break;
-		}
+		else	/* Unexpected overlap of system zones. */
+			return -EFSCORRUPTED;
 	}
 
-	if (!new_entry) {
-		new_entry = kmem_cache_alloc(ext4_system_zone_cachep,
-					     GFP_KERNEL);
-		if (!new_entry)
-			return -ENOMEM;
-		new_entry->start_blk = start_blk;
-		new_entry->count = count;
-		new_node = &new_entry->node;
-
-		rb_link_node(new_node, parent, n);
-		rb_insert_color(new_node, &system_blks->root);
-	}
+	new_entry = kmem_cache_alloc(ext4_system_zone_cachep,
+				     GFP_KERNEL);
+	if (!new_entry)
+		return -ENOMEM;
+	new_entry->start_blk = start_blk;
+	new_entry->count = count;
+	new_entry->ino = ino;
+	new_node = &new_entry->node;
+
+	rb_link_node(new_node, parent, n);
+	rb_insert_color(new_node, &system_blks->root);
 
 	/* Can we merge to the left? */
 	node = rb_prev(new_node);
@@ -159,7 +152,7 @@ static void debug_print_tree(struct ext4_sb_info *sbi)
 static int ext4_data_block_valid_rcu(struct ext4_sb_info *sbi,
 				     struct ext4_system_blocks *system_blks,
 				     ext4_fsblk_t start_blk,
-				     unsigned int count)
+				     unsigned int count, ino_t ino)
 {
 	struct ext4_system_zone *entry;
 	struct rb_node *n;
@@ -180,7 +173,7 @@ static int ext4_data_block_valid_rcu(struct ext4_sb_info *sbi,
 		else if (start_blk >= (entry->start_blk + entry->count))
 			n = n->rb_right;
 		else
-			return 0;
+			return entry->ino == ino;
 	}
 	return 1;
 }
@@ -214,19 +207,18 @@ static int ext4_protect_reserved_inode(struct super_block *sb,
 		if (n == 0) {
 			i++;
 		} else {
-			if (!ext4_data_block_valid_rcu(sbi, system_blks,
-						map.m_pblk, n)) {
-				err = -EFSCORRUPTED;
-				__ext4_error(sb, __func__, __LINE__, -err,
-					     map.m_pblk, "blocks %llu-%llu "
-					     "from inode %u overlap system zone",
-					     map.m_pblk,
-					     map.m_pblk + map.m_len - 1, ino);
+			err = add_system_zone(system_blks, map.m_pblk, n, ino);
+			if (err < 0) {
+				if (err == -EFSCORRUPTED) {
+					__ext4_error(sb, __func__, __LINE__,
+						     -err, map.m_pblk,
+						     "blocks %llu-%llu from inode %u overlap system zone",
+						     map.m_pblk,
+						     map.m_pblk + map.m_len - 1,
+						     ino);
+				}
 				break;
 			}
-			err = add_system_zone(system_blks, map.m_pblk, n);
-			if (err < 0)
-				break;
 			i += n;
 		}
 	}
@@ -280,19 +272,19 @@ int ext4_setup_system_zone(struct super_block *sb)
 		    ((i < 5) || ((i % flex_size) == 0)))
 			add_system_zone(system_blks,
 					ext4_group_first_block_no(sb, i),
-					ext4_bg_num_gdb(sb, i) + 1);
+					ext4_bg_num_gdb(sb, i) + 1, 0);
 		gdp = ext4_get_group_desc(sb, i, NULL);
 		ret = add_system_zone(system_blks,
-				ext4_block_bitmap(sb, gdp), 1);
+				ext4_block_bitmap(sb, gdp), 1, 0);
 		if (ret)
 			goto err;
 		ret = add_system_zone(system_blks,
-				ext4_inode_bitmap(sb, gdp), 1);
+				ext4_inode_bitmap(sb, gdp), 1, 0);
 		if (ret)
 			goto err;
 		ret = add_system_zone(system_blks,
 				ext4_inode_table(sb, gdp),
-				sbi->s_itb_per_group);
+				sbi->s_itb_per_group, 0);
 		if (ret)
 			goto err;
 	}
@@ -341,7 +333,7 @@ void ext4_release_system_zone(struct super_block *sb)
 		call_rcu(&system_blks->rcu, ext4_destroy_system_zone);
 }
 
-int ext4_data_block_valid(struct ext4_sb_info *sbi, ext4_fsblk_t start_blk,
+int ext4_inode_block_valid(struct inode *inode, ext4_fsblk_t start_blk,
 			  unsigned int count)
 {
 	struct ext4_system_blocks *system_blks;
@@ -353,9 +345,9 @@ int ext4_data_block_valid(struct ext4_sb_info *sbi, ext4_fsblk_t start_blk,
 	 * mount option.
 	 */
 	rcu_read_lock();
-	system_blks = rcu_dereference(sbi->system_blks);
-	ret = ext4_data_block_valid_rcu(sbi, system_blks, start_blk,
-					count);
+	system_blks = rcu_dereference(EXT4_SB(inode->i_sb)->system_blks);
+	ret = ext4_data_block_valid_rcu(EXT4_SB(inode->i_sb), system_blks,
+					start_blk, count, inode->i_ino);
 	rcu_read_unlock();
 	return ret;
 }
@@ -374,8 +366,7 @@ int ext4_check_blockref(const char *function, unsigned int line,
 	while (bref < p+max) {
 		blk = le32_to_cpu(*bref++);
 		if (blk &&
-		    unlikely(!ext4_data_block_valid(EXT4_SB(inode->i_sb),
-						    blk, 1))) {
+		    unlikely(!ext4_inode_block_valid(inode, blk, 1))) {
 			ext4_error_inode(inode, function, line, blk,
 					 "invalid block");
 			return -EFSCORRUPTED;
diff --git linux-libre-5.8.3-gnu/fs/ext4/ext4.h linux-libre-5.8.4-gnu/fs/ext4/ext4.h
index 42f5060f3cdf..42815304902b 100644
--- linux-libre-5.8.3-gnu/fs/ext4/ext4.h
+++ linux-libre-5.8.4-gnu/fs/ext4/ext4.h
@@ -3363,9 +3363,9 @@ extern void ext4_release_system_zone(struct super_block *sb);
 extern int ext4_setup_system_zone(struct super_block *sb);
 extern int __init ext4_init_system_zone(void);
 extern void ext4_exit_system_zone(void);
-extern int ext4_data_block_valid(struct ext4_sb_info *sbi,
-				 ext4_fsblk_t start_blk,
-				 unsigned int count);
+extern int ext4_inode_block_valid(struct inode *inode,
+				  ext4_fsblk_t start_blk,
+				  unsigned int count);
 extern int ext4_check_blockref(const char *, unsigned int,
 			       struct inode *, __le32 *, unsigned int);
 
diff --git linux-libre-5.8.3-gnu/fs/ext4/extents.c linux-libre-5.8.4-gnu/fs/ext4/extents.c
index 221f240eae60..d75054570e44 100644
--- linux-libre-5.8.3-gnu/fs/ext4/extents.c
+++ linux-libre-5.8.4-gnu/fs/ext4/extents.c
@@ -340,7 +340,7 @@ static int ext4_valid_extent(struct inode *inode, struct ext4_extent *ext)
 	 */
 	if (lblock + len <= lblock)
 		return 0;
-	return ext4_data_block_valid(EXT4_SB(inode->i_sb), block, len);
+	return ext4_inode_block_valid(inode, block, len);
 }
 
 static int ext4_valid_extent_idx(struct inode *inode,
@@ -348,7 +348,7 @@ static int ext4_valid_extent_idx(struct inode *inode,
 {
 	ext4_fsblk_t block = ext4_idx_pblock(ext_idx);
 
-	return ext4_data_block_valid(EXT4_SB(inode->i_sb), block, 1);
+	return ext4_inode_block_valid(inode, block, 1);
 }
 
 static int ext4_valid_extent_entries(struct inode *inode,
@@ -507,14 +507,10 @@ __read_extent_tree_block(const char *function, unsigned int line,
 	}
 	if (buffer_verified(bh) && !(flags & EXT4_EX_FORCE_CACHE))
 		return bh;
-	if (!ext4_has_feature_journal(inode->i_sb) ||
-	    (inode->i_ino !=
-	     le32_to_cpu(EXT4_SB(inode->i_sb)->s_es->s_journal_inum))) {
-		err = __ext4_ext_check(function, line, inode,
-				       ext_block_hdr(bh), depth, pblk);
-		if (err)
-			goto errout;
-	}
+	err = __ext4_ext_check(function, line, inode,
+			       ext_block_hdr(bh), depth, pblk);
+	if (err)
+		goto errout;
 	set_buffer_verified(bh);
 	/*
 	 * If this is a leaf block, cache all of its entries
diff --git linux-libre-5.8.3-gnu/fs/ext4/file.c linux-libre-5.8.4-gnu/fs/ext4/file.c
index 2a01e31a032c..8f742b53f1d4 100644
--- linux-libre-5.8.3-gnu/fs/ext4/file.c
+++ linux-libre-5.8.4-gnu/fs/ext4/file.c
@@ -428,6 +428,10 @@ restart:
 	 */
 	if (*ilock_shared && (!IS_NOSEC(inode) || *extend ||
 	     !ext4_overwrite_io(inode, offset, count))) {
+		if (iocb->ki_flags & IOCB_NOWAIT) {
+			ret = -EAGAIN;
+			goto out;
+		}
 		inode_unlock_shared(inode);
 		*ilock_shared = false;
 		inode_lock(inode);
diff --git linux-libre-5.8.3-gnu/fs/ext4/indirect.c linux-libre-5.8.4-gnu/fs/ext4/indirect.c
index be2b66eb65f7..402641825712 100644
--- linux-libre-5.8.3-gnu/fs/ext4/indirect.c
+++ linux-libre-5.8.4-gnu/fs/ext4/indirect.c
@@ -858,8 +858,7 @@ static int ext4_clear_blocks(handle_t *handle, struct inode *inode,
 	else if (ext4_should_journal_data(inode))
 		flags |= EXT4_FREE_BLOCKS_FORGET;
 
-	if (!ext4_data_block_valid(EXT4_SB(inode->i_sb), block_to_free,
-				   count)) {
+	if (!ext4_inode_block_valid(inode, block_to_free, count)) {
 		EXT4_ERROR_INODE(inode, "attempt to clear invalid "
 				 "blocks %llu len %lu",
 				 (unsigned long long) block_to_free, count);
@@ -1004,8 +1003,7 @@ static void ext4_free_branches(handle_t *handle, struct inode *inode,
 			if (!nr)
 				continue;		/* A hole */
 
-			if (!ext4_data_block_valid(EXT4_SB(inode->i_sb),
-						   nr, 1)) {
+			if (!ext4_inode_block_valid(inode, nr, 1)) {
 				EXT4_ERROR_INODE(inode,
 						 "invalid indirect mapped "
 						 "block %lu (level %d)",
diff --git linux-libre-5.8.3-gnu/fs/ext4/inode.c linux-libre-5.8.4-gnu/fs/ext4/inode.c
index 10dd470876b3..92573f8540ab 100644
--- linux-libre-5.8.3-gnu/fs/ext4/inode.c
+++ linux-libre-5.8.4-gnu/fs/ext4/inode.c
@@ -394,8 +394,7 @@ static int __check_block_validity(struct inode *inode, const char *func,
 	    (inode->i_ino ==
 	     le32_to_cpu(EXT4_SB(inode->i_sb)->s_es->s_journal_inum)))
 		return 0;
-	if (!ext4_data_block_valid(EXT4_SB(inode->i_sb), map->m_pblk,
-				   map->m_len)) {
+	if (!ext4_inode_block_valid(inode, map->m_pblk, map->m_len)) {
 		ext4_error_inode(inode, func, line, map->m_pblk,
 				 "lblock %lu mapped to illegal pblock %llu "
 				 "(length %d)", (unsigned long) map->m_lblk,
@@ -4760,7 +4759,7 @@ struct inode *__ext4_iget(struct super_block *sb, unsigned long ino,
 
 	ret = 0;
 	if (ei->i_file_acl &&
-	    !ext4_data_block_valid(EXT4_SB(sb), ei->i_file_acl, 1)) {
+	    !ext4_inode_block_valid(inode, ei->i_file_acl, 1)) {
 		ext4_error_inode(inode, function, line, 0,
 				 "iget: bad extended attribute block %llu",
 				 ei->i_file_acl);
diff --git linux-libre-5.8.3-gnu/fs/ext4/mballoc.c linux-libre-5.8.4-gnu/fs/ext4/mballoc.c
index c0a331e2feb0..38719c156573 100644
--- linux-libre-5.8.3-gnu/fs/ext4/mballoc.c
+++ linux-libre-5.8.4-gnu/fs/ext4/mballoc.c
@@ -3090,7 +3090,7 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac,
 	block = ext4_grp_offs_to_block(sb, &ac->ac_b_ex);
 
 	len = EXT4_C2B(sbi, ac->ac_b_ex.fe_len);
-	if (!ext4_data_block_valid(sbi, block, len)) {
+	if (!ext4_inode_block_valid(ac->ac_inode, block, len)) {
 		ext4_error(sb, "Allocating blocks %llu-%llu which overlap "
 			   "fs metadata", block, block+len);
 		/* File system mounted not to panic on error
@@ -4915,7 +4915,7 @@ void ext4_free_blocks(handle_t *handle, struct inode *inode,
 
 	sbi = EXT4_SB(sb);
 	if (!(flags & EXT4_FREE_BLOCKS_VALIDATED) &&
-	    !ext4_data_block_valid(sbi, block, count)) {
+	    !ext4_inode_block_valid(inode, block, count)) {
 		ext4_error(sb, "Freeing blocks not in datazone - "
 			   "block = %llu, count = %lu", block, count);
 		goto error_return;
diff --git linux-libre-5.8.3-gnu/fs/ext4/namei.c linux-libre-5.8.4-gnu/fs/ext4/namei.c
index 56738b538ddf..a91a5bb8c3a2 100644
--- linux-libre-5.8.3-gnu/fs/ext4/namei.c
+++ linux-libre-5.8.4-gnu/fs/ext4/namei.c
@@ -1396,8 +1396,8 @@ int ext4_search_dir(struct buffer_head *bh, char *search_buf, int buf_size,
 		    ext4_match(dir, fname, de)) {
 			/* found a match - just to be sure, do
 			 * a full check */
-			if (ext4_check_dir_entry(dir, NULL, de, bh, bh->b_data,
-						 bh->b_size, offset))
+			if (ext4_check_dir_entry(dir, NULL, de, bh, search_buf,
+						 buf_size, offset))
 				return -1;
 			*res_dir = de;
 			return 1;
@@ -1858,7 +1858,7 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir,
 			     blocksize, hinfo, map);
 	map -= count;
 	dx_sort_map(map, count);
-	/* Split the existing block in the middle, size-wise */
+	/* Ensure that neither split block is over half full */
 	size = 0;
 	move = 0;
 	for (i = count-1; i >= 0; i--) {
@@ -1868,8 +1868,18 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir,
 		size += map[i].size;
 		move++;
 	}
-	/* map index at which we will split */
-	split = count - move;
+	/*
+	 * map index at which we will split
+	 *
+	 * If the sum of active entries didn't exceed half the block size, just
+	 * split it in half by count; each resulting block will have at least
+	 * half the space free.
+	 */
+	if (i > 0)
+		split = count - move;
+	else
+		split = count/2;
+
 	hash2 = map[split].hash;
 	continued = hash2 == map[split - 1].hash;
 	dxtrace(printk(KERN_INFO "Split block %lu at %x, %i/%i\n",
@@ -2472,7 +2482,7 @@ int ext4_generic_delete_entry(handle_t *handle,
 	de = (struct ext4_dir_entry_2 *)entry_buf;
 	while (i < buf_size - csum_size) {
 		if (ext4_check_dir_entry(dir, NULL, de, bh,
-					 bh->b_data, bh->b_size, i))
+					 entry_buf, buf_size, i))
 			return -EFSCORRUPTED;
 		if (de == de_del)  {
 			if (pde)
diff --git linux-libre-5.8.3-gnu/fs/f2fs/compress.c linux-libre-5.8.4-gnu/fs/f2fs/compress.c
index f6fbe61b1251..2390f7943f6c 100644
--- linux-libre-5.8.3-gnu/fs/f2fs/compress.c
+++ linux-libre-5.8.4-gnu/fs/f2fs/compress.c
@@ -1310,6 +1310,12 @@ retry_write:
 				congestion_wait(BLK_RW_ASYNC,
 						DEFAULT_IO_TIMEOUT);
 				lock_page(cc->rpages[i]);
+
+				if (!PageDirty(cc->rpages[i])) {
+					unlock_page(cc->rpages[i]);
+					continue;
+				}
+
 				clear_page_dirty_for_io(cc->rpages[i]);
 				goto retry_write;
 			}
diff --git linux-libre-5.8.3-gnu/fs/f2fs/node.c linux-libre-5.8.4-gnu/fs/f2fs/node.c
index 03e24df1c84f..e61ce7fb0958 100644
--- linux-libre-5.8.3-gnu/fs/f2fs/node.c
+++ linux-libre-5.8.4-gnu/fs/f2fs/node.c
@@ -1924,8 +1924,12 @@ continue_unlock:
 				goto continue_unlock;
 			}
 
-			/* flush inline_data, if it's async context. */
-			if (do_balance && is_inline_node(page)) {
+			/* flush inline_data/inode, if it's async context. */
+			if (!do_balance)
+				goto write_node;
+
+			/* flush inline_data */
+			if (is_inline_node(page)) {
 				clear_inline_node(page);
 				unlock_page(page);
 				flush_inline_data(sbi, ino_of_node(page));
@@ -1938,7 +1942,7 @@ continue_unlock:
 				if (flush_dirty_inode(page))
 					goto lock_node;
 			}
-
+write_node:
 			f2fs_wait_on_page_writeback(page, NODE, true, true);
 
 			if (!clear_page_dirty_for_io(page))
diff --git linux-libre-5.8.3-gnu/fs/fat/fatent.c linux-libre-5.8.4-gnu/fs/fat/fatent.c
index bbfe18c07417..f7e3304b7802 100644
--- linux-libre-5.8.3-gnu/fs/fat/fatent.c
+++ linux-libre-5.8.4-gnu/fs/fat/fatent.c
@@ -657,6 +657,9 @@ static void fat_ra_init(struct super_block *sb, struct fatent_ra *ra,
 	unsigned long ra_pages = sb->s_bdi->ra_pages;
 	unsigned int reada_blocks;
 
+	if (fatent->entry >= ent_limit)
+		return;
+
 	if (ra_pages > sb->s_bdi->io_pages)
 		ra_pages = rounddown(ra_pages, sb->s_bdi->io_pages);
 	reada_blocks = ra_pages << (PAGE_SHIFT - sb->s_blocksize_bits + 1);
diff --git linux-libre-5.8.3-gnu/fs/io_uring.c linux-libre-5.8.4-gnu/fs/io_uring.c
index f926d94867f7..dd8ad87540ef 100644
--- linux-libre-5.8.3-gnu/fs/io_uring.c
+++ linux-libre-5.8.4-gnu/fs/io_uring.c
@@ -7609,6 +7609,33 @@ static bool io_timeout_remove_link(struct io_ring_ctx *ctx,
 	return found;
 }
 
+static bool io_cancel_link_cb(struct io_wq_work *work, void *data)
+{
+	return io_match_link(container_of(work, struct io_kiocb, work), data);
+}
+
+static void io_attempt_cancel(struct io_ring_ctx *ctx, struct io_kiocb *req)
+{
+	enum io_wq_cancel cret;
+
+	/* cancel this particular work, if it's running */
+	cret = io_wq_cancel_work(ctx->io_wq, &req->work);
+	if (cret != IO_WQ_CANCEL_NOTFOUND)
+		return;
+
+	/* find links that hold this pending, cancel those */
+	cret = io_wq_cancel_cb(ctx->io_wq, io_cancel_link_cb, req, true);
+	if (cret != IO_WQ_CANCEL_NOTFOUND)
+		return;
+
+	/* if we have a poll link holding this pending, cancel that */
+	if (io_poll_remove_link(ctx, req))
+		return;
+
+	/* final option, timeout link is holding this req pending */
+	io_timeout_remove_link(ctx, req);
+}
+
 static void io_uring_cancel_files(struct io_ring_ctx *ctx,
 				  struct files_struct *files)
 {
@@ -7665,10 +7692,8 @@ static void io_uring_cancel_files(struct io_ring_ctx *ctx,
 				continue;
 			}
 		} else {
-			io_wq_cancel_work(ctx->io_wq, &cancel_req->work);
-			/* could be a link, check and remove if it is */
-			if (!io_poll_remove_link(ctx, cancel_req))
-				io_timeout_remove_link(ctx, cancel_req);
+			/* cancel this request, or head link requests */
+			io_attempt_cancel(ctx, cancel_req);
 			io_put_req(cancel_req);
 		}
 
diff --git linux-libre-5.8.3-gnu/fs/jbd2/journal.c linux-libre-5.8.4-gnu/fs/jbd2/journal.c
index e4944436e733..5493a0da23dd 100644
--- linux-libre-5.8.3-gnu/fs/jbd2/journal.c
+++ linux-libre-5.8.4-gnu/fs/jbd2/journal.c
@@ -1367,8 +1367,10 @@ static int jbd2_write_superblock(journal_t *journal, int write_flags)
 	int ret;
 
 	/* Buffer got discarded which means block device got invalidated */
-	if (!buffer_mapped(bh))
+	if (!buffer_mapped(bh)) {
+		unlock_buffer(bh);
 		return -EIO;
+	}
 
 	trace_jbd2_write_superblock(journal, write_flags);
 	if (!(journal->j_flags & JBD2_BARRIER))
diff --git linux-libre-5.8.3-gnu/fs/jffs2/dir.c linux-libre-5.8.4-gnu/fs/jffs2/dir.c
index f20cff1194bb..776493713153 100644
--- linux-libre-5.8.3-gnu/fs/jffs2/dir.c
+++ linux-libre-5.8.4-gnu/fs/jffs2/dir.c
@@ -590,10 +590,14 @@ static int jffs2_rmdir (struct inode *dir_i, struct dentry *dentry)
 	int ret;
 	uint32_t now = JFFS2_NOW();
 
+	mutex_lock(&f->sem);
 	for (fd = f->dents ; fd; fd = fd->next) {
-		if (fd->ino)
+		if (fd->ino) {
+			mutex_unlock(&f->sem);
 			return -ENOTEMPTY;
+		}
 	}
+	mutex_unlock(&f->sem);
 
 	ret = jffs2_do_unlink(c, dir_f, dentry->d_name.name,
 			      dentry->d_name.len, f, now);
diff --git linux-libre-5.8.3-gnu/fs/romfs/storage.c linux-libre-5.8.4-gnu/fs/romfs/storage.c
index 6b2b4362089e..b57b3ffcbc32 100644
--- linux-libre-5.8.3-gnu/fs/romfs/storage.c
+++ linux-libre-5.8.4-gnu/fs/romfs/storage.c
@@ -217,10 +217,8 @@ int romfs_dev_read(struct super_block *sb, unsigned long pos,
 	size_t limit;
 
 	limit = romfs_maxsize(sb);
-	if (pos >= limit)
+	if (pos >= limit || buflen > limit - pos)
 		return -EIO;
-	if (buflen > limit - pos)
-		buflen = limit - pos;
 
 #ifdef CONFIG_ROMFS_ON_MTD
 	if (sb->s_mtd)
diff --git linux-libre-5.8.3-gnu/fs/signalfd.c linux-libre-5.8.4-gnu/fs/signalfd.c
index 44b6845b071c..5b78719be445 100644
--- linux-libre-5.8.3-gnu/fs/signalfd.c
+++ linux-libre-5.8.4-gnu/fs/signalfd.c
@@ -314,9 +314,10 @@ SYSCALL_DEFINE4(signalfd4, int, ufd, sigset_t __user *, user_mask,
 {
 	sigset_t mask;
 
-	if (sizemask != sizeof(sigset_t) ||
-	    copy_from_user(&mask, user_mask, sizeof(mask)))
+	if (sizemask != sizeof(sigset_t))
 		return -EINVAL;
+	if (copy_from_user(&mask, user_mask, sizeof(mask)))
+		return -EFAULT;
 	return do_signalfd4(ufd, &mask, flags);
 }
 
@@ -325,9 +326,10 @@ SYSCALL_DEFINE3(signalfd, int, ufd, sigset_t __user *, user_mask,
 {
 	sigset_t mask;
 
-	if (sizemask != sizeof(sigset_t) ||
-	    copy_from_user(&mask, user_mask, sizeof(mask)))
+	if (sizemask != sizeof(sigset_t))
 		return -EINVAL;
+	if (copy_from_user(&mask, user_mask, sizeof(mask)))
+		return -EFAULT;
 	return do_signalfd4(ufd, &mask, 0);
 }
 
diff --git linux-libre-5.8.3-gnu/fs/squashfs/block.c linux-libre-5.8.4-gnu/fs/squashfs/block.c
index 76bb1c846845..8a19773b5a0b 100644
--- linux-libre-5.8.3-gnu/fs/squashfs/block.c
+++ linux-libre-5.8.4-gnu/fs/squashfs/block.c
@@ -87,7 +87,11 @@ static int squashfs_bio_read(struct super_block *sb, u64 index, int length,
 	int error, i;
 	struct bio *bio;
 
-	bio = bio_alloc(GFP_NOIO, page_count);
+	if (page_count <= BIO_MAX_PAGES)
+		bio = bio_alloc(GFP_NOIO, page_count);
+	else
+		bio = bio_kmalloc(GFP_NOIO, page_count);
+
 	if (!bio)
 		return -ENOMEM;
 
diff --git linux-libre-5.8.3-gnu/fs/xfs/xfs_sysfs.h linux-libre-5.8.4-gnu/fs/xfs/xfs_sysfs.h
index e9f810fc6731..43585850f154 100644
--- linux-libre-5.8.3-gnu/fs/xfs/xfs_sysfs.h
+++ linux-libre-5.8.4-gnu/fs/xfs/xfs_sysfs.h
@@ -32,9 +32,11 @@ xfs_sysfs_init(
 	struct xfs_kobj		*parent_kobj,
 	const char		*name)
 {
+	struct kobject		*parent;
+
+	parent = parent_kobj ? &parent_kobj->kobject : NULL;
 	init_completion(&kobj->complete);
-	return kobject_init_and_add(&kobj->kobject, ktype,
-				    &parent_kobj->kobject, "%s", name);
+	return kobject_init_and_add(&kobj->kobject, ktype, parent, "%s", name);
 }
 
 static inline void
diff --git linux-libre-5.8.3-gnu/fs/xfs/xfs_trans_dquot.c linux-libre-5.8.4-gnu/fs/xfs/xfs_trans_dquot.c
index c0f73b82c055..ed0ce8b301b4 100644
--- linux-libre-5.8.3-gnu/fs/xfs/xfs_trans_dquot.c
+++ linux-libre-5.8.4-gnu/fs/xfs/xfs_trans_dquot.c
@@ -647,7 +647,7 @@ xfs_trans_dqresv(
 			}
 		}
 		if (ninos > 0) {
-			total_count = be64_to_cpu(dqp->q_core.d_icount) + ninos;
+			total_count = dqp->q_res_icount + ninos;
 			timer = be32_to_cpu(dqp->q_core.d_itimer);
 			warns = be16_to_cpu(dqp->q_core.d_iwarns);
 			warnlimit = defq->iwarnlimit;
diff --git linux-libre-5.8.3-gnu/include/linux/pgtable.h linux-libre-5.8.4-gnu/include/linux/pgtable.h
index 56c1e8eb7bb0..8075f6ae185a 100644
--- linux-libre-5.8.3-gnu/include/linux/pgtable.h
+++ linux-libre-5.8.4-gnu/include/linux/pgtable.h
@@ -117,7 +117,9 @@ static inline pgd_t *pgd_offset_pgd(pgd_t *pgd, unsigned long address)
  * a shortcut which implies the use of the kernel's pgd, instead
  * of a process's
  */
+#ifndef pgd_offset_k
 #define pgd_offset_k(address)		pgd_offset(&init_mm, (address))
+#endif
 
 /*
  * In many cases it is known that a virtual address is mapped at PMD or PTE
diff --git linux-libre-5.8.3-gnu/include/linux/sched/user.h linux-libre-5.8.4-gnu/include/linux/sched/user.h
index 917d88edb7b9..a8ec3b6093fc 100644
--- linux-libre-5.8.3-gnu/include/linux/sched/user.h
+++ linux-libre-5.8.4-gnu/include/linux/sched/user.h
@@ -36,6 +36,9 @@ struct user_struct {
     defined(CONFIG_NET) || defined(CONFIG_IO_URING)
 	atomic_long_t locked_vm;
 #endif
+#ifdef CONFIG_WATCH_QUEUE
+	atomic_t nr_watches;	/* The number of watches this user currently has */
+#endif
 
 	/* Miscellaneous per-user rate limit */
 	struct ratelimit_state ratelimit;
diff --git linux-libre-5.8.3-gnu/kernel/bpf/task_iter.c linux-libre-5.8.4-gnu/kernel/bpf/task_iter.c
index ac7869a38999..a4a0fb4f94cc 100644
--- linux-libre-5.8.3-gnu/kernel/bpf/task_iter.c
+++ linux-libre-5.8.4-gnu/kernel/bpf/task_iter.c
@@ -177,10 +177,11 @@ again:
 		f = fcheck_files(curr_files, curr_fd);
 		if (!f)
 			continue;
+		if (!get_file_rcu(f))
+			continue;
 
 		/* set info->fd */
 		info->fd = curr_fd;
-		get_file(f);
 		rcu_read_unlock();
 		return f;
 	}
diff --git linux-libre-5.8.3-gnu/kernel/events/uprobes.c linux-libre-5.8.4-gnu/kernel/events/uprobes.c
index 5f8b0c52fd2e..661333c2893d 100644
--- linux-libre-5.8.3-gnu/kernel/events/uprobes.c
+++ linux-libre-5.8.4-gnu/kernel/events/uprobes.c
@@ -205,7 +205,7 @@ static int __replace_page(struct vm_area_struct *vma, unsigned long addr,
 		try_to_free_swap(old_page);
 	page_vma_mapped_walk_done(&pvmw);
 
-	if (vma->vm_flags & VM_LOCKED)
+	if ((vma->vm_flags & VM_LOCKED) && !PageCompound(old_page))
 		munlock_vma_page(old_page);
 	put_page(old_page);
 
diff --git linux-libre-5.8.3-gnu/kernel/relay.c linux-libre-5.8.4-gnu/kernel/relay.c
index 72fe443ea78f..fb4e0c530c08 100644
--- linux-libre-5.8.3-gnu/kernel/relay.c
+++ linux-libre-5.8.4-gnu/kernel/relay.c
@@ -197,6 +197,7 @@ free_buf:
 static void relay_destroy_channel(struct kref *kref)
 {
 	struct rchan *chan = container_of(kref, struct rchan, kref);
+	free_percpu(chan->buf);
 	kfree(chan);
 }
 
diff --git linux-libre-5.8.3-gnu/kernel/watch_queue.c linux-libre-5.8.4-gnu/kernel/watch_queue.c
index f74020f6bd9d..0ef8f65bd2d7 100644
--- linux-libre-5.8.3-gnu/kernel/watch_queue.c
+++ linux-libre-5.8.4-gnu/kernel/watch_queue.c
@@ -393,6 +393,7 @@ static void free_watch(struct rcu_head *rcu)
 	struct watch *watch = container_of(rcu, struct watch, rcu);
 
 	put_watch_queue(rcu_access_pointer(watch->queue));
+	atomic_dec(&watch->cred->user->nr_watches);
 	put_cred(watch->cred);
 }
 
@@ -452,6 +453,13 @@ int add_watch_to_object(struct watch *watch, struct watch_list *wlist)
 	watch->cred = get_current_cred();
 	rcu_assign_pointer(watch->watch_list, wlist);
 
+	if (atomic_inc_return(&watch->cred->user->nr_watches) >
+	    task_rlimit(current, RLIMIT_NOFILE)) {
+		atomic_dec(&watch->cred->user->nr_watches);
+		put_cred(watch->cred);
+		return -EAGAIN;
+	}
+
 	spin_lock_bh(&wqueue->lock);
 	kref_get(&wqueue->usage);
 	kref_get(&watch->usage);
diff --git linux-libre-5.8.3-gnu/mm/khugepaged.c linux-libre-5.8.4-gnu/mm/khugepaged.c
index ac04b332a373..1d6a9b0b6a9f 100644
--- linux-libre-5.8.3-gnu/mm/khugepaged.c
+++ linux-libre-5.8.4-gnu/mm/khugepaged.c
@@ -466,7 +466,7 @@ int __khugepaged_enter(struct mm_struct *mm)
 		return -ENOMEM;
 
 	/* __khugepaged_exit() must not run from under us */
-	VM_BUG_ON_MM(khugepaged_test_exit(mm), mm);
+	VM_BUG_ON_MM(atomic_read(&mm->mm_users) == 0, mm);
 	if (unlikely(test_and_set_bit(MMF_VM_HUGEPAGE, &mm->flags))) {
 		free_mm_slot(mm_slot);
 		return 0;
diff --git linux-libre-5.8.3-gnu/mm/memory.c linux-libre-5.8.4-gnu/mm/memory.c
index 3ecad55103ad..a279c1a26af7 100644
--- linux-libre-5.8.3-gnu/mm/memory.c
+++ linux-libre-5.8.4-gnu/mm/memory.c
@@ -4248,6 +4248,9 @@ static vm_fault_t handle_pte_fault(struct vm_fault *vmf)
 				vmf->flags & FAULT_FLAG_WRITE)) {
 		update_mmu_cache(vmf->vma, vmf->address, vmf->pte);
 	} else {
+		/* Skip spurious TLB flush for retried page fault */
+		if (vmf->flags & FAULT_FLAG_TRIED)
+			goto unlock;
 		/*
 		 * This is needed only for protection faults but the arch code
 		 * is not yet telling us if this is a protection fault or not.
diff --git linux-libre-5.8.3-gnu/mm/page_alloc.c linux-libre-5.8.4-gnu/mm/page_alloc.c
index e028b87ce294..d809242f671f 100644
--- linux-libre-5.8.3-gnu/mm/page_alloc.c
+++ linux-libre-5.8.4-gnu/mm/page_alloc.c
@@ -1306,6 +1306,11 @@ static void free_pcppages_bulk(struct zone *zone, int count,
 	struct page *page, *tmp;
 	LIST_HEAD(head);
 
+	/*
+	 * Ensure proper count is passed which otherwise would stuck in the
+	 * below while (list_empty(list)) loop.
+	 */
+	count = min(pcp->count, count);
 	while (count) {
 		struct list_head *list;
 
@@ -7881,7 +7886,7 @@ int __meminit init_per_zone_wmark_min(void)
 
 	return 0;
 }
-core_initcall(init_per_zone_wmark_min)
+postcore_initcall(init_per_zone_wmark_min)
 
 /*
  * min_free_kbytes_sysctl_handler - just a wrapper around proc_dointvec() so
diff --git linux-libre-5.8.3-gnu/mm/vmalloc.c linux-libre-5.8.4-gnu/mm/vmalloc.c
index 5a2b55c8dd9a..128d20d2d6cb 100644
--- linux-libre-5.8.3-gnu/mm/vmalloc.c
+++ linux-libre-5.8.4-gnu/mm/vmalloc.c
@@ -102,6 +102,8 @@ static void vunmap_pmd_range(pud_t *pud, unsigned long addr, unsigned long end,
 		if (pmd_none_or_clear_bad(pmd))
 			continue;
 		vunmap_pte_range(pmd, addr, next, mask);
+
+		cond_resched();
 	} while (pmd++, addr = next, addr != end);
 }
 
diff --git linux-libre-5.8.3-gnu/net/can/j1939/socket.c linux-libre-5.8.4-gnu/net/can/j1939/socket.c
index f7587428febd..bf9fd6ee88fe 100644
--- linux-libre-5.8.3-gnu/net/can/j1939/socket.c
+++ linux-libre-5.8.4-gnu/net/can/j1939/socket.c
@@ -398,6 +398,7 @@ static int j1939_sk_init(struct sock *sk)
 	spin_lock_init(&jsk->sk_session_queue_lock);
 	INIT_LIST_HEAD(&jsk->sk_session_queue);
 	sk->sk_destruct = j1939_sk_sock_destruct;
+	sk->sk_protocol = CAN_J1939;
 
 	return 0;
 }
@@ -466,6 +467,14 @@ static int j1939_sk_bind(struct socket *sock, struct sockaddr *uaddr, int len)
 			goto out_release_sock;
 		}
 
+		if (!ndev->ml_priv) {
+			netdev_warn_once(ndev,
+					 "No CAN mid layer private allocated, please fix your driver and use alloc_candev()!\n");
+			dev_put(ndev);
+			ret = -ENODEV;
+			goto out_release_sock;
+		}
+
 		priv = j1939_netdev_start(ndev);
 		dev_put(ndev);
 		if (IS_ERR(priv)) {
@@ -553,6 +562,11 @@ static int j1939_sk_connect(struct socket *sock, struct sockaddr *uaddr,
 static void j1939_sk_sock2sockaddr_can(struct sockaddr_can *addr,
 				       const struct j1939_sock *jsk, int peer)
 {
+	/* There are two holes (2 bytes and 3 bytes) to clear to avoid
+	 * leaking kernel information to user space.
+	 */
+	memset(addr, 0, J1939_MIN_NAMELEN);
+
 	addr->can_family = AF_CAN;
 	addr->can_ifindex = jsk->ifindex;
 	addr->can_addr.j1939.pgn = jsk->addr.pgn;
diff --git linux-libre-5.8.3-gnu/net/can/j1939/transport.c linux-libre-5.8.4-gnu/net/can/j1939/transport.c
index 9f99af5b0b11..dbd215cbc53d 100644
--- linux-libre-5.8.3-gnu/net/can/j1939/transport.c
+++ linux-libre-5.8.4-gnu/net/can/j1939/transport.c
@@ -352,17 +352,16 @@ void j1939_session_skb_queue(struct j1939_session *session,
 	skb_queue_tail(&session->skb_queue, skb);
 }
 
-static struct sk_buff *j1939_session_skb_find(struct j1939_session *session)
+static struct
+sk_buff *j1939_session_skb_find_by_offset(struct j1939_session *session,
+					  unsigned int offset_start)
 {
 	struct j1939_priv *priv = session->priv;
+	struct j1939_sk_buff_cb *do_skcb;
 	struct sk_buff *skb = NULL;
 	struct sk_buff *do_skb;
-	struct j1939_sk_buff_cb *do_skcb;
-	unsigned int offset_start;
 	unsigned long flags;
 
-	offset_start = session->pkt.dpo * 7;
-
 	spin_lock_irqsave(&session->skb_queue.lock, flags);
 	skb_queue_walk(&session->skb_queue, do_skb) {
 		do_skcb = j1939_skb_to_cb(do_skb);
@@ -382,6 +381,14 @@ static struct sk_buff *j1939_session_skb_find(struct j1939_session *session)
 	return skb;
 }
 
+static struct sk_buff *j1939_session_skb_find(struct j1939_session *session)
+{
+	unsigned int offset_start;
+
+	offset_start = session->pkt.dpo * 7;
+	return j1939_session_skb_find_by_offset(session, offset_start);
+}
+
 /* see if we are receiver
  * returns 0 for broadcasts, although we will receive them
  */
@@ -716,10 +723,12 @@ static int j1939_session_tx_rts(struct j1939_session *session)
 		return ret;
 
 	session->last_txcmd = dat[0];
-	if (dat[0] == J1939_TP_CMD_BAM)
+	if (dat[0] == J1939_TP_CMD_BAM) {
 		j1939_tp_schedule_txtimer(session, 50);
-
-	j1939_tp_set_rxtimeout(session, 1250);
+		j1939_tp_set_rxtimeout(session, 250);
+	} else {
+		j1939_tp_set_rxtimeout(session, 1250);
+	}
 
 	netdev_dbg(session->priv->ndev, "%s: 0x%p\n", __func__, session);
 
@@ -766,7 +775,7 @@ static int j1939_session_tx_dat(struct j1939_session *session)
 	int ret = 0;
 	u8 dat[8];
 
-	se_skb = j1939_session_skb_find(session);
+	se_skb = j1939_session_skb_find_by_offset(session, session->pkt.tx * 7);
 	if (!se_skb)
 		return -ENOBUFS;
 
@@ -787,6 +796,18 @@ static int j1939_session_tx_dat(struct j1939_session *session)
 		if (len > 7)
 			len = 7;
 
+		if (offset + len > se_skb->len) {
+			netdev_err_once(priv->ndev,
+					"%s: 0x%p: requested data outside of queued buffer: offset %i, len %i, pkt.tx: %i\n",
+					__func__, session, skcb->offset, se_skb->len , session->pkt.tx);
+			return -EOVERFLOW;
+		}
+
+		if (!len) {
+			ret = -ENOBUFS;
+			break;
+		}
+
 		memcpy(&dat[1], &tpdat[offset], len);
 		ret = j1939_tp_tx_dat(session, dat, len + 1);
 		if (ret < 0) {
@@ -1055,9 +1076,9 @@ static void __j1939_session_cancel(struct j1939_session *session,
 	lockdep_assert_held(&session->priv->active_session_list_lock);
 
 	session->err = j1939_xtp_abort_to_errno(priv, err);
+	session->state = J1939_SESSION_WAITING_ABORT;
 	/* do not send aborts on incoming broadcasts */
 	if (!j1939_cb_is_broadcast(&session->skcb)) {
-		session->state = J1939_SESSION_WAITING_ABORT;
 		j1939_xtp_tx_abort(priv, &session->skcb,
 				   !session->transmission,
 				   err, session->skcb.addr.pgn);
@@ -1120,6 +1141,9 @@ static enum hrtimer_restart j1939_tp_txtimer(struct hrtimer *hrtimer)
 		 * cleanup including propagation of the error to user space.
 		 */
 		break;
+	case -EOVERFLOW:
+		j1939_session_cancel(session, J1939_XTP_ABORT_ECTS_TOO_BIG);
+		break;
 	case 0:
 		session->tx_retry = 0;
 		break;
@@ -1651,8 +1675,12 @@ static void j1939_xtp_rx_rts(struct j1939_priv *priv, struct sk_buff *skb,
 			return;
 		}
 		session = j1939_xtp_rx_rts_session_new(priv, skb);
-		if (!session)
+		if (!session) {
+			if (cmd == J1939_TP_CMD_BAM && j1939_sk_recv_match(priv, skcb))
+				netdev_info(priv->ndev, "%s: failed to create TP BAM session\n",
+					    __func__);
 			return;
+		}
 	} else {
 		if (j1939_xtp_rx_rts_session_active(session, skb)) {
 			j1939_session_put(session);
@@ -1661,11 +1689,15 @@ static void j1939_xtp_rx_rts(struct j1939_priv *priv, struct sk_buff *skb,
 	}
 	session->last_cmd = cmd;
 
-	j1939_tp_set_rxtimeout(session, 1250);
-
-	if (cmd != J1939_TP_CMD_BAM && !session->transmission) {
-		j1939_session_txtimer_cancel(session);
-		j1939_tp_schedule_txtimer(session, 0);
+	if (cmd == J1939_TP_CMD_BAM) {
+		if (!session->transmission)
+			j1939_tp_set_rxtimeout(session, 750);
+	} else {
+		if (!session->transmission) {
+			j1939_session_txtimer_cancel(session);
+			j1939_tp_schedule_txtimer(session, 0);
+		}
+		j1939_tp_set_rxtimeout(session, 1250);
 	}
 
 	j1939_session_put(session);
@@ -1716,6 +1748,7 @@ static void j1939_xtp_rx_dat_one(struct j1939_session *session,
 	int offset;
 	int nbytes;
 	bool final = false;
+	bool remain = false;
 	bool do_cts_eoma = false;
 	int packet;
 
@@ -1750,7 +1783,8 @@ static void j1939_xtp_rx_dat_one(struct j1939_session *session,
 			    __func__, session);
 		goto out_session_cancel;
 	}
-	se_skb = j1939_session_skb_find(session);
+
+	se_skb = j1939_session_skb_find_by_offset(session, packet * 7);
 	if (!se_skb) {
 		netdev_warn(priv->ndev, "%s: 0x%p: no skb found\n", __func__,
 			    session);
@@ -1777,6 +1811,8 @@ static void j1939_xtp_rx_dat_one(struct j1939_session *session,
 	    j1939_cb_is_broadcast(&session->skcb)) {
 		if (session->pkt.rx >= session->pkt.total)
 			final = true;
+		else
+			remain = true;
 	} else {
 		/* never final, an EOMA must follow */
 		if (session->pkt.rx >= session->pkt.last)
@@ -1784,7 +1820,11 @@ static void j1939_xtp_rx_dat_one(struct j1939_session *session,
 	}
 
 	if (final) {
+		j1939_session_timers_cancel(session);
 		j1939_session_completed(session);
+	} else if (remain) {
+		if (!session->transmission)
+			j1939_tp_set_rxtimeout(session, 750);
 	} else if (do_cts_eoma) {
 		j1939_tp_set_rxtimeout(session, 1250);
 		if (!session->transmission)
@@ -1829,6 +1869,13 @@ static void j1939_xtp_rx_dat(struct j1939_priv *priv, struct sk_buff *skb)
 		else
 			j1939_xtp_rx_dat_one(session, skb);
 	}
+
+	if (j1939_cb_is_broadcast(skcb)) {
+		session = j1939_session_get_by_addr(priv, &skcb->addr, false,
+						    false);
+		if (session)
+			j1939_xtp_rx_dat_one(session, skb);
+	}
 }
 
 /* j1939 main intf */
@@ -1920,7 +1967,7 @@ static void j1939_tp_cmd_recv(struct j1939_priv *priv, struct sk_buff *skb)
 		if (j1939_tp_im_transmitter(skcb))
 			j1939_xtp_rx_rts(priv, skb, true);
 
-		if (j1939_tp_im_receiver(skcb))
+		if (j1939_tp_im_receiver(skcb) || j1939_cb_is_broadcast(skcb))
 			j1939_xtp_rx_rts(priv, skb, false);
 
 		break;
@@ -1984,7 +2031,7 @@ int j1939_tp_recv(struct j1939_priv *priv, struct sk_buff *skb)
 {
 	struct j1939_sk_buff_cb *skcb = j1939_skb_to_cb(skb);
 
-	if (!j1939_tp_im_involved_anydir(skcb))
+	if (!j1939_tp_im_involved_anydir(skcb) && !j1939_cb_is_broadcast(skcb))
 		return 0;
 
 	switch (skcb->addr.pgn) {
@@ -2017,6 +2064,10 @@ void j1939_simple_recv(struct j1939_priv *priv, struct sk_buff *skb)
 	if (!skb->sk)
 		return;
 
+	if (skb->sk->sk_family != AF_CAN ||
+	    skb->sk->sk_protocol != CAN_J1939)
+		return;
+
 	j1939_session_list_lock(priv);
 	session = j1939_session_get_simple(priv, skb);
 	j1939_session_list_unlock(priv);
diff --git linux-libre-5.8.3-gnu/net/core/filter.c linux-libre-5.8.4-gnu/net/core/filter.c
index 82e1b5b06167..a69e79327c29 100644
--- linux-libre-5.8.3-gnu/net/core/filter.c
+++ linux-libre-5.8.4-gnu/net/core/filter.c
@@ -8249,15 +8249,31 @@ static u32 sock_ops_convert_ctx_access(enum bpf_access_type type,
 /* Helper macro for adding read access to tcp_sock or sock fields. */
 #define SOCK_OPS_GET_FIELD(BPF_FIELD, OBJ_FIELD, OBJ)			      \
 	do {								      \
+		int fullsock_reg = si->dst_reg, reg = BPF_REG_9, jmp = 2;     \
 		BUILD_BUG_ON(sizeof_field(OBJ, OBJ_FIELD) >		      \
 			     sizeof_field(struct bpf_sock_ops, BPF_FIELD));   \
+		if (si->dst_reg == reg || si->src_reg == reg)		      \
+			reg--;						      \
+		if (si->dst_reg == reg || si->src_reg == reg)		      \
+			reg--;						      \
+		if (si->dst_reg == si->src_reg) {			      \
+			*insn++ = BPF_STX_MEM(BPF_DW, si->src_reg, reg,	      \
+					  offsetof(struct bpf_sock_ops_kern,  \
+					  temp));			      \
+			fullsock_reg = reg;				      \
+			jmp += 2;					      \
+		}							      \
 		*insn++ = BPF_LDX_MEM(BPF_FIELD_SIZEOF(			      \
 						struct bpf_sock_ops_kern,     \
 						is_fullsock),		      \
-				      si->dst_reg, si->src_reg,		      \
+				      fullsock_reg, si->src_reg,	      \
 				      offsetof(struct bpf_sock_ops_kern,      \
 					       is_fullsock));		      \
-		*insn++ = BPF_JMP_IMM(BPF_JEQ, si->dst_reg, 0, 2);	      \
+		*insn++ = BPF_JMP_IMM(BPF_JEQ, fullsock_reg, 0, jmp);	      \
+		if (si->dst_reg == si->src_reg)				      \
+			*insn++ = BPF_LDX_MEM(BPF_DW, reg, si->src_reg,	      \
+				      offsetof(struct bpf_sock_ops_kern,      \
+				      temp));				      \
 		*insn++ = BPF_LDX_MEM(BPF_FIELD_SIZEOF(			      \
 						struct bpf_sock_ops_kern, sk),\
 				      si->dst_reg, si->src_reg,		      \
@@ -8266,6 +8282,49 @@ static u32 sock_ops_convert_ctx_access(enum bpf_access_type type,
 						       OBJ_FIELD),	      \
 				      si->dst_reg, si->dst_reg,		      \
 				      offsetof(OBJ, OBJ_FIELD));	      \
+		if (si->dst_reg == si->src_reg)	{			      \
+			*insn++ = BPF_JMP_A(1);				      \
+			*insn++ = BPF_LDX_MEM(BPF_DW, reg, si->src_reg,	      \
+				      offsetof(struct bpf_sock_ops_kern,      \
+				      temp));				      \
+		}							      \
+	} while (0)
+
+#define SOCK_OPS_GET_SK()							      \
+	do {								      \
+		int fullsock_reg = si->dst_reg, reg = BPF_REG_9, jmp = 1;     \
+		if (si->dst_reg == reg || si->src_reg == reg)		      \
+			reg--;						      \
+		if (si->dst_reg == reg || si->src_reg == reg)		      \
+			reg--;						      \
+		if (si->dst_reg == si->src_reg) {			      \
+			*insn++ = BPF_STX_MEM(BPF_DW, si->src_reg, reg,	      \
+					  offsetof(struct bpf_sock_ops_kern,  \
+					  temp));			      \
+			fullsock_reg = reg;				      \
+			jmp += 2;					      \
+		}							      \
+		*insn++ = BPF_LDX_MEM(BPF_FIELD_SIZEOF(			      \
+						struct bpf_sock_ops_kern,     \
+						is_fullsock),		      \
+				      fullsock_reg, si->src_reg,	      \
+				      offsetof(struct bpf_sock_ops_kern,      \
+					       is_fullsock));		      \
+		*insn++ = BPF_JMP_IMM(BPF_JEQ, fullsock_reg, 0, jmp);	      \
+		if (si->dst_reg == si->src_reg)				      \
+			*insn++ = BPF_LDX_MEM(BPF_DW, reg, si->src_reg,	      \
+				      offsetof(struct bpf_sock_ops_kern,      \
+				      temp));				      \
+		*insn++ = BPF_LDX_MEM(BPF_FIELD_SIZEOF(			      \
+						struct bpf_sock_ops_kern, sk),\
+				      si->dst_reg, si->src_reg,		      \
+				      offsetof(struct bpf_sock_ops_kern, sk));\
+		if (si->dst_reg == si->src_reg)	{			      \
+			*insn++ = BPF_JMP_A(1);				      \
+			*insn++ = BPF_LDX_MEM(BPF_DW, reg, si->src_reg,	      \
+				      offsetof(struct bpf_sock_ops_kern,      \
+				      temp));				      \
+		}							      \
 	} while (0)
 
 #define SOCK_OPS_GET_TCP_SOCK_FIELD(FIELD) \
@@ -8552,17 +8611,7 @@ static u32 sock_ops_convert_ctx_access(enum bpf_access_type type,
 		SOCK_OPS_GET_TCP_SOCK_FIELD(bytes_acked);
 		break;
 	case offsetof(struct bpf_sock_ops, sk):
-		*insn++ = BPF_LDX_MEM(BPF_FIELD_SIZEOF(
-						struct bpf_sock_ops_kern,
-						is_fullsock),
-				      si->dst_reg, si->src_reg,
-				      offsetof(struct bpf_sock_ops_kern,
-					       is_fullsock));
-		*insn++ = BPF_JMP_IMM(BPF_JEQ, si->dst_reg, 0, 1);
-		*insn++ = BPF_LDX_MEM(BPF_FIELD_SIZEOF(
-						struct bpf_sock_ops_kern, sk),
-				      si->dst_reg, si->src_reg,
-				      offsetof(struct bpf_sock_ops_kern, sk));
+		SOCK_OPS_GET_SK();
 		break;
 	}
 	return insn - insn_buf;
diff --git linux-libre-5.8.3-gnu/net/netfilter/nft_exthdr.c linux-libre-5.8.4-gnu/net/netfilter/nft_exthdr.c
index 07782836fad6..3c48cdc8935d 100644
--- linux-libre-5.8.3-gnu/net/netfilter/nft_exthdr.c
+++ linux-libre-5.8.4-gnu/net/netfilter/nft_exthdr.c
@@ -44,7 +44,7 @@ static void nft_exthdr_ipv6_eval(const struct nft_expr *expr,
 
 	err = ipv6_find_hdr(pkt->skb, &offset, priv->type, NULL, NULL);
 	if (priv->flags & NFT_EXTHDR_F_PRESENT) {
-		*dest = (err >= 0);
+		nft_reg_store8(dest, err >= 0);
 		return;
 	} else if (err < 0) {
 		goto err;
@@ -141,7 +141,7 @@ static void nft_exthdr_ipv4_eval(const struct nft_expr *expr,
 
 	err = ipv4_find_option(nft_net(pkt), skb, &offset, priv->type);
 	if (priv->flags & NFT_EXTHDR_F_PRESENT) {
-		*dest = (err >= 0);
+		nft_reg_store8(dest, err >= 0);
 		return;
 	} else if (err < 0) {
 		goto err;
diff --git linux-libre-5.8.3-gnu/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c linux-libre-5.8.4-gnu/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
index e426fedb9524..ac16d83f2d26 100644
--- linux-libre-5.8.3-gnu/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+++ linux-libre-5.8.4-gnu/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
@@ -265,6 +265,8 @@ static int svc_rdma_post_recv(struct svcxprt_rdma *rdma)
 {
 	struct svc_rdma_recv_ctxt *ctxt;
 
+	if (test_bit(XPT_CLOSE, &rdma->sc_xprt.xpt_flags))
+		return 0;
 	ctxt = svc_rdma_recv_ctxt_get(rdma);
 	if (!ctxt)
 		return -ENOMEM;
diff --git linux-libre-5.8.3-gnu/scripts/kconfig/qconf.cc linux-libre-5.8.4-gnu/scripts/kconfig/qconf.cc
index 23d1cb01a41a..5ceb93010a97 100644
--- linux-libre-5.8.3-gnu/scripts/kconfig/qconf.cc
+++ linux-libre-5.8.4-gnu/scripts/kconfig/qconf.cc
@@ -864,40 +864,40 @@ void ConfigList::focusInEvent(QFocusEvent *e)
 
 void ConfigList::contextMenuEvent(QContextMenuEvent *e)
 {
-	if (e->y() <= header()->geometry().bottom()) {
-		if (!headerPopup) {
-			QAction *action;
-
-			headerPopup = new QMenu(this);
-			action = new QAction("Show Name", this);
-			  action->setCheckable(true);
-			  connect(action, SIGNAL(toggled(bool)),
-				  parent(), SLOT(setShowName(bool)));
-			  connect(parent(), SIGNAL(showNameChanged(bool)),
-				  action, SLOT(setOn(bool)));
-			  action->setChecked(showName);
-			  headerPopup->addAction(action);
-			action = new QAction("Show Range", this);
-			  action->setCheckable(true);
-			  connect(action, SIGNAL(toggled(bool)),
-				  parent(), SLOT(setShowRange(bool)));
-			  connect(parent(), SIGNAL(showRangeChanged(bool)),
-				  action, SLOT(setOn(bool)));
-			  action->setChecked(showRange);
-			  headerPopup->addAction(action);
-			action = new QAction("Show Data", this);
-			  action->setCheckable(true);
-			  connect(action, SIGNAL(toggled(bool)),
-				  parent(), SLOT(setShowData(bool)));
-			  connect(parent(), SIGNAL(showDataChanged(bool)),
-				  action, SLOT(setOn(bool)));
-			  action->setChecked(showData);
-			  headerPopup->addAction(action);
-		}
-		headerPopup->exec(e->globalPos());
-		e->accept();
-	} else
-		e->ignore();
+	if (!headerPopup) {
+		QAction *action;
+
+		headerPopup = new QMenu(this);
+		action = new QAction("Show Name", this);
+		action->setCheckable(true);
+		connect(action, SIGNAL(toggled(bool)),
+			parent(), SLOT(setShowName(bool)));
+		connect(parent(), SIGNAL(showNameChanged(bool)),
+			action, SLOT(setChecked(bool)));
+		action->setChecked(showName);
+		headerPopup->addAction(action);
+
+		action = new QAction("Show Range", this);
+		action->setCheckable(true);
+		connect(action, SIGNAL(toggled(bool)),
+			parent(), SLOT(setShowRange(bool)));
+		connect(parent(), SIGNAL(showRangeChanged(bool)),
+			action, SLOT(setChecked(bool)));
+		action->setChecked(showRange);
+		headerPopup->addAction(action);
+
+		action = new QAction("Show Data", this);
+		action->setCheckable(true);
+		connect(action, SIGNAL(toggled(bool)),
+			parent(), SLOT(setShowData(bool)));
+		connect(parent(), SIGNAL(showDataChanged(bool)),
+			action, SLOT(setChecked(bool)));
+		action->setChecked(showData);
+		headerPopup->addAction(action);
+	}
+
+	headerPopup->exec(e->globalPos());
+	e->accept();
 }
 
 ConfigView*ConfigView::viewList;
@@ -1228,7 +1228,6 @@ void ConfigInfoView::clicked(const QUrl &url)
 	struct menu *m = NULL;
 
 	if (count < 1) {
-		qInfo() << "Clicked link is empty";
 		delete[] data;
 		return;
 	}
@@ -1241,7 +1240,6 @@ void ConfigInfoView::clicked(const QUrl &url)
 	strcat(data, "$");
 	result = sym_re_search(data);
 	if (!result) {
-		qInfo() << "Clicked symbol is invalid:" << data;
 		delete[] data;
 		return;
 	}
@@ -1275,7 +1273,7 @@ QMenu* ConfigInfoView::createStandardContextMenu(const QPoint & pos)
 
 	action->setCheckable(true);
 	connect(action, SIGNAL(toggled(bool)), SLOT(setShowDebug(bool)));
-	connect(this, SIGNAL(showDebugChanged(bool)), action, SLOT(setOn(bool)));
+	connect(this, SIGNAL(showDebugChanged(bool)), action, SLOT(setChecked(bool)));
 	action->setChecked(showDebug());
 	popup->addSeparator();
 	popup->addAction(action);
diff --git linux-libre-5.8.3-gnu/sound/hda/hdac_bus.c linux-libre-5.8.4-gnu/sound/hda/hdac_bus.c
index 09ddab5f5cae..9766f6af8743 100644
--- linux-libre-5.8.3-gnu/sound/hda/hdac_bus.c
+++ linux-libre-5.8.4-gnu/sound/hda/hdac_bus.c
@@ -46,6 +46,18 @@ int snd_hdac_bus_init(struct hdac_bus *bus, struct device *dev,
 	INIT_LIST_HEAD(&bus->hlink_list);
 	init_waitqueue_head(&bus->rirb_wq);
 	bus->irq = -1;
+
+	/*
+	 * Default value of '8' is as per the HD audio specification (Rev 1.0a).
+	 * Following relation is used to derive STRIPE control value.
+	 *  For sample rate <= 48K:
+	 *   { ((num_channels * bits_per_sample) / number of SDOs) >= 8 }
+	 *  For sample rate > 48K:
+	 *   { ((num_channels * bits_per_sample * rate/48000) /
+	 *	number of SDOs) >= 8 }
+	 */
+	bus->sdo_limit = 8;
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(snd_hdac_bus_init);
diff --git linux-libre-5.8.3-gnu/sound/hda/hdac_controller.c linux-libre-5.8.4-gnu/sound/hda/hdac_controller.c
index 011b17cc1efa..b98449fd92f3 100644
--- linux-libre-5.8.3-gnu/sound/hda/hdac_controller.c
+++ linux-libre-5.8.4-gnu/sound/hda/hdac_controller.c
@@ -529,17 +529,6 @@ bool snd_hdac_bus_init_chip(struct hdac_bus *bus, bool full_reset)
 
 	bus->chip_init = true;
 
-	/*
-	 * Default value of '8' is as per the HD audio specification (Rev 1.0a).
-	 * Following relation is used to derive STRIPE control value.
-	 *  For sample rate <= 48K:
-	 *   { ((num_channels * bits_per_sample) / number of SDOs) >= 8 }
-	 *  For sample rate > 48K:
-	 *   { ((num_channels * bits_per_sample * rate/48000) /
-	 *	number of SDOs) >= 8 }
-	 */
-	bus->sdo_limit = 8;
-
 	return true;
 }
 EXPORT_SYMBOL_GPL(snd_hdac_bus_init_chip);
diff --git linux-libre-5.8.3-gnu/sound/pci/hda/patch_realtek.c linux-libre-5.8.4-gnu/sound/pci/hda/patch_realtek.c
index 8626e59f1e6a..b10d005786d0 100644
--- linux-libre-5.8.3-gnu/sound/pci/hda/patch_realtek.c
+++ linux-libre-5.8.4-gnu/sound/pci/hda/patch_realtek.c
@@ -7696,6 +7696,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x144d, 0xc109, "Samsung Ativ book 9 (NP900X3G)", ALC269_FIXUP_INV_DMIC),
 	SND_PCI_QUIRK(0x144d, 0xc169, "Samsung Notebook 9 Pen (NP930SBE-K01US)", ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET),
 	SND_PCI_QUIRK(0x144d, 0xc176, "Samsung Notebook 9 Pro (NP930MBE-K04US)", ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET),
+	SND_PCI_QUIRK(0x144d, 0xc189, "Samsung Galaxy Flex Book (NT950QCG-X716)", ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET),
+	SND_PCI_QUIRK(0x144d, 0xc18a, "Samsung Galaxy Book Ion (NT950XCJ-X716A)", ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET),
 	SND_PCI_QUIRK(0x144d, 0xc740, "Samsung Ativ book 8 (NP870Z5G)", ALC269_FIXUP_ATIV_BOOK_8),
 	SND_PCI_QUIRK(0x144d, 0xc812, "Samsung Notebook Pen S (NT950SBE-X58)", ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET),
 	SND_PCI_QUIRK(0x1458, 0xfa53, "Gigabyte BXBT-2807", ALC283_FIXUP_HEADSET_MIC),
diff --git linux-libre-5.8.3-gnu/sound/soc/amd/renoir/acp3x-pdm-dma.c linux-libre-5.8.4-gnu/sound/soc/amd/renoir/acp3x-pdm-dma.c
index 623dfd3ea705..7b14d9a81b97 100644
--- linux-libre-5.8.3-gnu/sound/soc/amd/renoir/acp3x-pdm-dma.c
+++ linux-libre-5.8.4-gnu/sound/soc/amd/renoir/acp3x-pdm-dma.c
@@ -314,40 +314,30 @@ static int acp_pdm_dma_close(struct snd_soc_component *component,
 	return 0;
 }
 
-static int acp_pdm_dai_hw_params(struct snd_pcm_substream *substream,
-				 struct snd_pcm_hw_params *params,
-				 struct snd_soc_dai *dai)
+static int acp_pdm_dai_trigger(struct snd_pcm_substream *substream,
+			       int cmd, struct snd_soc_dai *dai)
 {
 	struct pdm_stream_instance *rtd;
+	int ret;
+	bool pdm_status;
 	unsigned int ch_mask;
 
 	rtd = substream->runtime->private_data;
-	switch (params_channels(params)) {
+	ret = 0;
+	switch (substream->runtime->channels) {
 	case TWO_CH:
 		ch_mask = 0x00;
 		break;
 	default:
 		return -EINVAL;
 	}
-	rn_writel(ch_mask, rtd->acp_base + ACP_WOV_PDM_NO_OF_CHANNELS);
-	rn_writel(PDM_DECIMATION_FACTOR, rtd->acp_base +
-		  ACP_WOV_PDM_DECIMATION_FACTOR);
-	return 0;
-}
-
-static int acp_pdm_dai_trigger(struct snd_pcm_substream *substream,
-			       int cmd, struct snd_soc_dai *dai)
-{
-	struct pdm_stream_instance *rtd;
-	int ret;
-	bool pdm_status;
-
-	rtd = substream->runtime->private_data;
-	ret = 0;
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_START:
 	case SNDRV_PCM_TRIGGER_RESUME:
 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+		rn_writel(ch_mask, rtd->acp_base + ACP_WOV_PDM_NO_OF_CHANNELS);
+		rn_writel(PDM_DECIMATION_FACTOR, rtd->acp_base +
+			  ACP_WOV_PDM_DECIMATION_FACTOR);
 		rtd->bytescount = acp_pdm_get_byte_count(rtd,
 							 substream->stream);
 		pdm_status = check_pdm_dma_status(rtd->acp_base);
@@ -369,7 +359,6 @@ static int acp_pdm_dai_trigger(struct snd_pcm_substream *substream,
 }
 
 static struct snd_soc_dai_ops acp_pdm_dai_ops = {
-	.hw_params = acp_pdm_dai_hw_params,
 	.trigger   = acp_pdm_dai_trigger,
 };
 
diff --git linux-libre-5.8.3-gnu/sound/soc/codecs/msm8916-wcd-analog.c linux-libre-5.8.4-gnu/sound/soc/codecs/msm8916-wcd-analog.c
index 85bc7ae4d267..26cf372ccda6 100644
--- linux-libre-5.8.3-gnu/sound/soc/codecs/msm8916-wcd-analog.c
+++ linux-libre-5.8.4-gnu/sound/soc/codecs/msm8916-wcd-analog.c
@@ -19,8 +19,8 @@
 
 #define CDC_D_REVISION1			(0xf000)
 #define CDC_D_PERPH_SUBTYPE		(0xf005)
-#define CDC_D_INT_EN_SET		(0x015)
-#define CDC_D_INT_EN_CLR		(0x016)
+#define CDC_D_INT_EN_SET		(0xf015)
+#define CDC_D_INT_EN_CLR		(0xf016)
 #define MBHC_SWITCH_INT			BIT(7)
 #define MBHC_MIC_ELECTRICAL_INS_REM_DET	BIT(6)
 #define MBHC_BUTTON_PRESS_DET		BIT(5)
diff --git linux-libre-5.8.3-gnu/sound/soc/intel/atom/sst-mfld-platform-pcm.c linux-libre-5.8.4-gnu/sound/soc/intel/atom/sst-mfld-platform-pcm.c
index 8817eaae6bb7..b520e3aeaf3d 100644
--- linux-libre-5.8.3-gnu/sound/soc/intel/atom/sst-mfld-platform-pcm.c
+++ linux-libre-5.8.4-gnu/sound/soc/intel/atom/sst-mfld-platform-pcm.c
@@ -331,7 +331,7 @@ static int sst_media_open(struct snd_pcm_substream *substream,
 
 	ret_val = power_up_sst(stream);
 	if (ret_val < 0)
-		return ret_val;
+		goto out_power_up;
 
 	/* Make sure, that the period size is always even */
 	snd_pcm_hw_constraint_step(substream->runtime, 0,
@@ -340,8 +340,9 @@ static int sst_media_open(struct snd_pcm_substream *substream,
 	return snd_pcm_hw_constraint_integer(runtime,
 			 SNDRV_PCM_HW_PARAM_PERIODS);
 out_ops:
-	kfree(stream);
 	mutex_unlock(&sst_lock);
+out_power_up:
+	kfree(stream);
 	return ret_val;
 }
 
diff --git linux-libre-5.8.3-gnu/sound/soc/qcom/qdsp6/q6afe-dai.c linux-libre-5.8.4-gnu/sound/soc/qcom/qdsp6/q6afe-dai.c
index 2a5302f1db98..0168af849272 100644
--- linux-libre-5.8.3-gnu/sound/soc/qcom/qdsp6/q6afe-dai.c
+++ linux-libre-5.8.4-gnu/sound/soc/qcom/qdsp6/q6afe-dai.c
@@ -1150,206 +1150,206 @@ static int q6afe_of_xlate_dai_name(struct snd_soc_component *component,
 }
 
 static const struct snd_soc_dapm_widget q6afe_dai_widgets[] = {
-	SND_SOC_DAPM_AIF_IN("HDMI_RX", NULL, 0, 0, 0, 0),
-	SND_SOC_DAPM_AIF_IN("SLIMBUS_0_RX", NULL, 0, 0, 0, 0),
-	SND_SOC_DAPM_AIF_IN("SLIMBUS_1_RX", NULL, 0, 0, 0, 0),
-	SND_SOC_DAPM_AIF_IN("SLIMBUS_2_RX", NULL, 0, 0, 0, 0),
-	SND_SOC_DAPM_AIF_IN("SLIMBUS_3_RX", NULL, 0, 0, 0, 0),
-	SND_SOC_DAPM_AIF_IN("SLIMBUS_4_RX", NULL, 0, 0, 0, 0),
-	SND_SOC_DAPM_AIF_IN("SLIMBUS_5_RX", NULL, 0, 0, 0, 0),
-	SND_SOC_DAPM_AIF_IN("SLIMBUS_6_RX", NULL, 0, 0, 0, 0),
-	SND_SOC_DAPM_AIF_OUT("SLIMBUS_0_TX", NULL, 0, 0, 0, 0),
-	SND_SOC_DAPM_AIF_OUT("SLIMBUS_1_TX", NULL, 0, 0, 0, 0),
-	SND_SOC_DAPM_AIF_OUT("SLIMBUS_2_TX", NULL, 0, 0, 0, 0),
-	SND_SOC_DAPM_AIF_OUT("SLIMBUS_3_TX", NULL, 0, 0, 0, 0),
-	SND_SOC_DAPM_AIF_OUT("SLIMBUS_4_TX", NULL, 0, 0, 0, 0),
-	SND_SOC_DAPM_AIF_OUT("SLIMBUS_5_TX", NULL, 0, 0, 0, 0),
-	SND_SOC_DAPM_AIF_OUT("SLIMBUS_6_TX", NULL, 0, 0, 0, 0),
+	SND_SOC_DAPM_AIF_IN("HDMI_RX", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("SLIMBUS_0_RX", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("SLIMBUS_1_RX", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("SLIMBUS_2_RX", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("SLIMBUS_3_RX", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("SLIMBUS_4_RX", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("SLIMBUS_5_RX", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("SLIMBUS_6_RX", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("SLIMBUS_0_TX", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("SLIMBUS_1_TX", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("SLIMBUS_2_TX", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("SLIMBUS_3_TX", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("SLIMBUS_4_TX", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("SLIMBUS_5_TX", NULL, 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("SLIMBUS_6_TX", NULL, 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("QUAT_MI2S_RX", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("QUAT_MI2S_TX", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("TERT_MI2S_RX", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("TERT_MI2S_TX", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("SEC_MI2S_RX", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("SEC_MI2S_TX", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("SEC_MI2S_RX_SD1",
 			"Secondary MI2S Playback SD1",
-			0, 0, 0, 0),
+			0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("PRI_MI2S_RX", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("PRI_MI2S_TX", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 
 	SND_SOC_DAPM_AIF_IN("PRIMARY_TDM_RX_0", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("PRIMARY_TDM_RX_1", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("PRIMARY_TDM_RX_2", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("PRIMARY_TDM_RX_3", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("PRIMARY_TDM_RX_4", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("PRIMARY_TDM_RX_5", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("PRIMARY_TDM_RX_6", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("PRIMARY_TDM_RX_7", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("PRIMARY_TDM_TX_0", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("PRIMARY_TDM_TX_1", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("PRIMARY_TDM_TX_2", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("PRIMARY_TDM_TX_3", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("PRIMARY_TDM_TX_4", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("PRIMARY_TDM_TX_5", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("PRIMARY_TDM_TX_6", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("PRIMARY_TDM_TX_7", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 
 	SND_SOC_DAPM_AIF_IN("SEC_TDM_RX_0", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("SEC_TDM_RX_1", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("SEC_TDM_RX_2", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("SEC_TDM_RX_3", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("SEC_TDM_RX_4", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("SEC_TDM_RX_5", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("SEC_TDM_RX_6", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("SEC_TDM_RX_7", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("SEC_TDM_TX_0", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("SEC_TDM_TX_1", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("SEC_TDM_TX_2", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("SEC_TDM_TX_3", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("SEC_TDM_TX_4", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("SEC_TDM_TX_5", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("SEC_TDM_TX_6", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("SEC_TDM_TX_7", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 
 	SND_SOC_DAPM_AIF_IN("TERT_TDM_RX_0", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("TERT_TDM_RX_1", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("TERT_TDM_RX_2", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("TERT_TDM_RX_3", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("TERT_TDM_RX_4", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("TERT_TDM_RX_5", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("TERT_TDM_RX_6", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("TERT_TDM_RX_7", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("TERT_TDM_TX_0", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("TERT_TDM_TX_1", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("TERT_TDM_TX_2", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("TERT_TDM_TX_3", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("TERT_TDM_TX_4", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("TERT_TDM_TX_5", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("TERT_TDM_TX_6", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("TERT_TDM_TX_7", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 
 	SND_SOC_DAPM_AIF_IN("QUAT_TDM_RX_0", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("QUAT_TDM_RX_1", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("QUAT_TDM_RX_2", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("QUAT_TDM_RX_3", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("QUAT_TDM_RX_4", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("QUAT_TDM_RX_5", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("QUAT_TDM_RX_6", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("QUAT_TDM_RX_7", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("QUAT_TDM_TX_0", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("QUAT_TDM_TX_1", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("QUAT_TDM_TX_2", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("QUAT_TDM_TX_3", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("QUAT_TDM_TX_4", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("QUAT_TDM_TX_5", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("QUAT_TDM_TX_6", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("QUAT_TDM_TX_7", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 
 	SND_SOC_DAPM_AIF_IN("QUIN_TDM_RX_0", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("QUIN_TDM_RX_1", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("QUIN_TDM_RX_2", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("QUIN_TDM_RX_3", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("QUIN_TDM_RX_4", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("QUIN_TDM_RX_5", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("QUIN_TDM_RX_6", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_IN("QUIN_TDM_RX_7", NULL,
-			     0, 0, 0, 0),
+			     0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("QUIN_TDM_TX_0", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("QUIN_TDM_TX_1", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("QUIN_TDM_TX_2", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("QUIN_TDM_TX_3", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("QUIN_TDM_TX_4", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("QUIN_TDM_TX_5", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("QUIN_TDM_TX_6", NULL,
-						0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("QUIN_TDM_TX_7", NULL,
-						0, 0, 0, 0),
-	SND_SOC_DAPM_AIF_OUT("DISPLAY_PORT_RX", "NULL", 0, 0, 0, 0),
+						0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("DISPLAY_PORT_RX", "NULL", 0, SND_SOC_NOPM, 0, 0),
 };
 
 static const struct snd_soc_component_driver q6afe_dai_component = {
diff --git linux-libre-5.8.3-gnu/sound/soc/qcom/qdsp6/q6routing.c linux-libre-5.8.4-gnu/sound/soc/qcom/qdsp6/q6routing.c
index 46e50612b92c..750e6a30444e 100644
--- linux-libre-5.8.3-gnu/sound/soc/qcom/qdsp6/q6routing.c
+++ linux-libre-5.8.4-gnu/sound/soc/qcom/qdsp6/q6routing.c
@@ -973,6 +973,20 @@ static int msm_routing_probe(struct snd_soc_component *c)
 	return 0;
 }
 
+static unsigned int q6routing_reg_read(struct snd_soc_component *component,
+				       unsigned int reg)
+{
+	/* default value */
+	return 0;
+}
+
+static int q6routing_reg_write(struct snd_soc_component *component,
+			       unsigned int reg, unsigned int val)
+{
+	/* dummy */
+	return 0;
+}
+
 static const struct snd_soc_component_driver msm_soc_routing_component = {
 	.probe = msm_routing_probe,
 	.name = DRV_NAME,
@@ -981,6 +995,8 @@ static const struct snd_soc_component_driver msm_soc_routing_component = {
 	.num_dapm_widgets = ARRAY_SIZE(msm_qdsp6_widgets),
 	.dapm_routes = intercon,
 	.num_dapm_routes = ARRAY_SIZE(intercon),
+	.read = q6routing_reg_read,
+	.write = q6routing_reg_write,
 };
 
 static int q6pcm_routing_probe(struct platform_device *pdev)
diff --git linux-libre-5.8.3-gnu/tools/bpf/bpftool/gen.c linux-libre-5.8.4-gnu/tools/bpf/bpftool/gen.c
index 540ffde0b03a..0be1330b4c1b 100644
--- linux-libre-5.8.3-gnu/tools/bpf/bpftool/gen.c
+++ linux-libre-5.8.4-gnu/tools/bpf/bpftool/gen.c
@@ -400,7 +400,7 @@ static int do_skeleton(int argc, char **argv)
 		{							    \n\
 			struct %1$s *obj;				    \n\
 									    \n\
-			obj = (typeof(obj))calloc(1, sizeof(*obj));	    \n\
+			obj = (struct %1$s *)calloc(1, sizeof(*obj));	    \n\
 			if (!obj)					    \n\
 				return NULL;				    \n\
 			if (%1$s__create_skeleton(obj))			    \n\
@@ -464,7 +464,7 @@ static int do_skeleton(int argc, char **argv)
 		{							    \n\
 			struct bpf_object_skeleton *s;			    \n\
 									    \n\
-			s = (typeof(s))calloc(1, sizeof(*s));		    \n\
+			s = (struct bpf_object_skeleton *)calloc(1, sizeof(*s));\n\
 			if (!s)						    \n\
 				return -1;				    \n\
 			obj->skeleton = s;				    \n\
@@ -482,7 +482,7 @@ static int do_skeleton(int argc, char **argv)
 				/* maps */				    \n\
 				s->map_cnt = %zu;			    \n\
 				s->map_skel_sz = sizeof(*s->maps);	    \n\
-				s->maps = (typeof(s->maps))calloc(s->map_cnt, s->map_skel_sz);\n\
+				s->maps = (struct bpf_map_skeleton *)calloc(s->map_cnt, s->map_skel_sz);\n\
 				if (!s->maps)				    \n\
 					goto err;			    \n\
 			",
@@ -518,7 +518,7 @@ static int do_skeleton(int argc, char **argv)
 				/* programs */				    \n\
 				s->prog_cnt = %zu;			    \n\
 				s->prog_skel_sz = sizeof(*s->progs);	    \n\
-				s->progs = (typeof(s->progs))calloc(s->prog_cnt, s->prog_skel_sz);\n\
+				s->progs = (struct bpf_prog_skeleton *)calloc(s->prog_cnt, s->prog_skel_sz);\n\
 				if (!s->progs)				    \n\
 					goto err;			    \n\
 			",
diff --git linux-libre-5.8.3-gnu/tools/lib/bpf/libbpf.c linux-libre-5.8.4-gnu/tools/lib/bpf/libbpf.c
index 11e4725b8b1c..e7642a6e39f9 100644
--- linux-libre-5.8.3-gnu/tools/lib/bpf/libbpf.c
+++ linux-libre-5.8.4-gnu/tools/lib/bpf/libbpf.c
@@ -5025,7 +5025,8 @@ static int bpf_object__collect_st_ops_relos(struct bpf_object *obj,
 static int bpf_object__collect_map_relos(struct bpf_object *obj,
 					 GElf_Shdr *shdr, Elf_Data *data)
 {
-	int i, j, nrels, new_sz, ptr_sz = sizeof(void *);
+	const int bpf_ptr_sz = 8, host_ptr_sz = sizeof(void *);
+	int i, j, nrels, new_sz;
 	const struct btf_var_secinfo *vi = NULL;
 	const struct btf_type *sec, *var, *def;
 	const struct btf_member *member;
@@ -5074,7 +5075,7 @@ static int bpf_object__collect_map_relos(struct bpf_object *obj,
 
 			vi = btf_var_secinfos(sec) + map->btf_var_idx;
 			if (vi->offset <= rel.r_offset &&
-			    rel.r_offset + sizeof(void *) <= vi->offset + vi->size)
+			    rel.r_offset + bpf_ptr_sz <= vi->offset + vi->size)
 				break;
 		}
 		if (j == obj->nr_maps) {
@@ -5110,17 +5111,20 @@ static int bpf_object__collect_map_relos(struct bpf_object *obj,
 			return -EINVAL;
 
 		moff = rel.r_offset - vi->offset - moff;
-		if (moff % ptr_sz)
+		/* here we use BPF pointer size, which is always 64 bit, as we
+		 * are parsing ELF that was built for BPF target
+		 */
+		if (moff % bpf_ptr_sz)
 			return -EINVAL;
-		moff /= ptr_sz;
+		moff /= bpf_ptr_sz;
 		if (moff >= map->init_slots_sz) {
 			new_sz = moff + 1;
-			tmp = realloc(map->init_slots, new_sz * ptr_sz);
+			tmp = realloc(map->init_slots, new_sz * host_ptr_sz);
 			if (!tmp)
 				return -ENOMEM;
 			map->init_slots = tmp;
 			memset(map->init_slots + map->init_slots_sz, 0,
-			       (new_sz - map->init_slots_sz) * ptr_sz);
+			       (new_sz - map->init_slots_sz) * host_ptr_sz);
 			map->init_slots_sz = new_sz;
 		}
 		map->init_slots[moff] = targ_map;
diff --git linux-libre-5.8.3-gnu/tools/testing/selftests/bpf/.gitignore linux-libre-5.8.4-gnu/tools/testing/selftests/bpf/.gitignore
index 1bb204cee853..9a0946ddb705 100644
--- linux-libre-5.8.3-gnu/tools/testing/selftests/bpf/.gitignore
+++ linux-libre-5.8.4-gnu/tools/testing/selftests/bpf/.gitignore
@@ -6,7 +6,6 @@ test_lpm_map
 test_tag
 FEATURE-DUMP.libbpf
 fixdep
-test_align
 test_dev_cgroup
 /test_progs*
 test_tcpbpf_user
diff --git linux-libre-5.8.3-gnu/tools/testing/selftests/bpf/Makefile linux-libre-5.8.4-gnu/tools/testing/selftests/bpf/Makefile
index 4f322d538875..50965cc7bf09 100644
--- linux-libre-5.8.3-gnu/tools/testing/selftests/bpf/Makefile
+++ linux-libre-5.8.4-gnu/tools/testing/selftests/bpf/Makefile
@@ -32,7 +32,7 @@ LDLIBS += -lcap -lelf -lz -lrt -lpthread
 
 # Order correspond to 'make run_tests' order
 TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \
-	test_align test_verifier_log test_dev_cgroup test_tcpbpf_user \
+	test_verifier_log test_dev_cgroup test_tcpbpf_user \
 	test_sock test_btf test_sockmap get_cgroup_id_user test_socket_cookie \
 	test_cgroup_storage \
 	test_netcnt test_tcpnotify_user test_sock_fields test_sysctl \
diff --git linux-libre-5.8.3-gnu/tools/testing/selftests/cgroup/cgroup_util.c linux-libre-5.8.4-gnu/tools/testing/selftests/cgroup/cgroup_util.c
index 8a637ca7d73a..05853b0b8831 100644
--- linux-libre-5.8.3-gnu/tools/testing/selftests/cgroup/cgroup_util.c
+++ linux-libre-5.8.4-gnu/tools/testing/selftests/cgroup/cgroup_util.c
@@ -106,7 +106,7 @@ int cg_read_strcmp(const char *cgroup, const char *control,
 
 	/* Handle the case of comparing against empty string */
 	if (!expected)
-		size = 32;
+		return -1;
 	else
 		size = strlen(expected) + 1;
 
diff --git linux-libre-5.8.3-gnu/tools/testing/selftests/kvm/x86_64/debug_regs.c linux-libre-5.8.4-gnu/tools/testing/selftests/kvm/x86_64/debug_regs.c
index 8162c58a1234..b8d14f9db5f9 100644
--- linux-libre-5.8.3-gnu/tools/testing/selftests/kvm/x86_64/debug_regs.c
+++ linux-libre-5.8.4-gnu/tools/testing/selftests/kvm/x86_64/debug_regs.c
@@ -40,11 +40,11 @@ static void guest_code(void)
 
 	/* Single step test, covers 2 basic instructions and 2 emulated */
 	asm volatile("ss_start: "
-		     "xor %%rax,%%rax\n\t"
+		     "xor %%eax,%%eax\n\t"
 		     "cpuid\n\t"
 		     "movl $0x1a0,%%ecx\n\t"
 		     "rdmsr\n\t"
-		     : : : "rax", "ecx");
+		     : : : "eax", "ebx", "ecx", "edx");
 
 	/* DR6.BD test */
 	asm volatile("bd_start: mov %%dr0, %%rax" : : : "rax");
diff --git linux-libre-5.8.3-gnu/virt/kvm/kvm_main.c linux-libre-5.8.4-gnu/virt/kvm/kvm_main.c
index 0a68c9d3d3ab..9e925675a886 100644
--- linux-libre-5.8.3-gnu/virt/kvm/kvm_main.c
+++ linux-libre-5.8.4-gnu/virt/kvm/kvm_main.c
@@ -427,7 +427,8 @@ static int kvm_mmu_notifier_invalidate_range_start(struct mmu_notifier *mn,
 	 * count is also read inside the mmu_lock critical section.
 	 */
 	kvm->mmu_notifier_count++;
-	need_tlb_flush = kvm_unmap_hva_range(kvm, range->start, range->end);
+	need_tlb_flush = kvm_unmap_hva_range(kvm, range->start, range->end,
+					     range->flags);
 	need_tlb_flush |= kvm->tlbs_dirty;
 	/* we've to flush the tlb before the pages can be freed */
 	if (need_tlb_flush)
