From: "Mike Pagano" <mpagano@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:5.15 commit in: /
Date: Wed, 27 Apr 2022 13:11:29 +0000 (UTC) [thread overview]
Message-ID: <1651065078.7e3e69e091451f1eb1f39105e5b2cc1597a483ef.mpagano@gentoo> (raw)
commit: 7e3e69e091451f1eb1f39105e5b2cc1597a483ef
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Wed Apr 27 13:11:18 2022 +0000
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Wed Apr 27 13:11:18 2022 +0000
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=7e3e69e0
Linux patch 5.15.36
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>
0000_README | 4 +
1035_linux-5.15.36.patch | 5013 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 5017 insertions(+)
diff --git a/0000_README b/0000_README
index d98d254b..f44dec35 100644
--- a/0000_README
+++ b/0000_README
@@ -183,6 +183,10 @@ Patch: 1034_linux-5.15.35.patch
From: http://www.kernel.org
Desc: Linux 5.15.35
+Patch: 1035_linux-5.15.36.patch
+From: http://www.kernel.org
+Desc: Linux 5.15.36
+
Patch: 1500_XATTR_USER_PREFIX.patch
From: https://bugs.gentoo.org/show_bug.cgi?id=470644
Desc: Support for namespace user.pax.* on tmpfs.
diff --git a/1035_linux-5.15.36.patch b/1035_linux-5.15.36.patch
new file mode 100644
index 00000000..9beabe36
--- /dev/null
+++ b/1035_linux-5.15.36.patch
@@ -0,0 +1,5013 @@
+diff --git a/Documentation/filesystems/ext4/attributes.rst b/Documentation/filesystems/ext4/attributes.rst
+index 54386a010a8d7..871d2da7a0a91 100644
+--- a/Documentation/filesystems/ext4/attributes.rst
++++ b/Documentation/filesystems/ext4/attributes.rst
+@@ -76,7 +76,7 @@ The beginning of an extended attribute block is in
+ - Checksum of the extended attribute block.
+ * - 0x14
+ - \_\_u32
+- - h\_reserved[2]
++ - h\_reserved[3]
+ - Zero.
+
+ The checksum is calculated against the FS UUID, the 64-bit block number
+diff --git a/Makefile b/Makefile
+index e5440c513f5ac..e0710f9837847 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 5
+ PATCHLEVEL = 15
+-SUBLEVEL = 35
++SUBLEVEL = 36
+ EXTRAVERSION =
+ NAME = Trick or Treat
+
+diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S
+index dd77a0c8f740b..66ba549b520fc 100644
+--- a/arch/arc/kernel/entry.S
++++ b/arch/arc/kernel/entry.S
+@@ -196,6 +196,7 @@ tracesys_exit:
+ st r0, [sp, PT_r0] ; sys call return value in pt_regs
+
+ ;POST Sys Call Ptrace Hook
++ mov r0, sp ; pt_regs needed
+ bl @syscall_trace_exit
+ b ret_from_exception ; NOT ret_from_system_call at is saves r0 which
+ ; we'd done before calling post hook above
+diff --git a/arch/arm/mach-vexpress/spc.c b/arch/arm/mach-vexpress/spc.c
+index 1da11bdb1dfbd..1c6500c4e6a17 100644
+--- a/arch/arm/mach-vexpress/spc.c
++++ b/arch/arm/mach-vexpress/spc.c
+@@ -580,7 +580,7 @@ static int __init ve_spc_clk_init(void)
+ }
+
+ cluster = topology_physical_package_id(cpu_dev->id);
+- if (init_opp_table[cluster])
++ if (cluster < 0 || init_opp_table[cluster])
+ continue;
+
+ if (ve_init_opp_table(cpu_dev))
+diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
+index 1a18c90457738..8b6f090e0364c 100644
+--- a/arch/arm64/Kconfig
++++ b/arch/arm64/Kconfig
+@@ -154,7 +154,6 @@ config ARM64
+ select HAVE_ARCH_KGDB
+ select HAVE_ARCH_MMAP_RND_BITS
+ select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT
+- select HAVE_ARCH_PFN_VALID
+ select HAVE_ARCH_PREL32_RELOCATIONS
+ select HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET
+ select HAVE_ARCH_SECCOMP_FILTER
+diff --git a/arch/arm64/boot/dts/freescale/imx8mm-var-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-var-som.dtsi
+index 1dc9d187601c5..a0bd540f27d3d 100644
+--- a/arch/arm64/boot/dts/freescale/imx8mm-var-som.dtsi
++++ b/arch/arm64/boot/dts/freescale/imx8mm-var-som.dtsi
+@@ -89,12 +89,12 @@
+ pendown-gpio = <&gpio1 3 GPIO_ACTIVE_LOW>;
+
+ ti,x-min = /bits/ 16 <125>;
+- touchscreen-size-x = /bits/ 16 <4008>;
++ touchscreen-size-x = <4008>;
+ ti,y-min = /bits/ 16 <282>;
+- touchscreen-size-y = /bits/ 16 <3864>;
++ touchscreen-size-y = <3864>;
+ ti,x-plate-ohms = /bits/ 16 <180>;
+- touchscreen-max-pressure = /bits/ 16 <255>;
+- touchscreen-average-samples = /bits/ 16 <10>;
++ touchscreen-max-pressure = <255>;
++ touchscreen-average-samples = <10>;
+ ti,debounce-tol = /bits/ 16 <3>;
+ ti,debounce-rep = /bits/ 16 <1>;
+ ti,settle-delay-usec = /bits/ 16 <150>;
+diff --git a/arch/arm64/boot/dts/freescale/imx8mn-var-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-var-som.dtsi
+index b16c7caf34c11..87b5e23c766f7 100644
+--- a/arch/arm64/boot/dts/freescale/imx8mn-var-som.dtsi
++++ b/arch/arm64/boot/dts/freescale/imx8mn-var-som.dtsi
+@@ -70,12 +70,12 @@
+ pendown-gpio = <&gpio1 3 GPIO_ACTIVE_LOW>;
+
+ ti,x-min = /bits/ 16 <125>;
+- touchscreen-size-x = /bits/ 16 <4008>;
++ touchscreen-size-x = <4008>;
+ ti,y-min = /bits/ 16 <282>;
+- touchscreen-size-y = /bits/ 16 <3864>;
++ touchscreen-size-y = <3864>;
+ ti,x-plate-ohms = /bits/ 16 <180>;
+- touchscreen-max-pressure = /bits/ 16 <255>;
+- touchscreen-average-samples = /bits/ 16 <10>;
++ touchscreen-max-pressure = <255>;
++ touchscreen-average-samples = <10>;
+ ti,debounce-tol = /bits/ 16 <3>;
+ ti,debounce-rep = /bits/ 16 <1>;
+ ti,settle-delay-usec = /bits/ 16 <150>;
+diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
+index 495c15deacb7d..de86ae3a7fd27 100644
+--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
++++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
+@@ -1460,6 +1460,8 @@
+ "imem",
+ "config";
+
++ qcom,qmp = <&aoss_qmp>;
++
+ qcom,smem-states = <&ipa_smp2p_out 0>,
+ <&ipa_smp2p_out 1>;
+ qcom,smem-state-names = "ipa-clock-enabled-valid",
+diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
+index 692973c4f4344..b795a9993cc1b 100644
+--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
++++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
+@@ -615,6 +615,8 @@
+ interconnect-names = "memory",
+ "config";
+
++ qcom,qmp = <&aoss_qmp>;
++
+ qcom,smem-states = <&ipa_smp2p_out 0>,
+ <&ipa_smp2p_out 1>;
+ qcom,smem-state-names = "ipa-clock-enabled-valid",
+diff --git a/arch/arm64/boot/dts/qcom/sm8350.dtsi b/arch/arm64/boot/dts/qcom/sm8350.dtsi
+index 3d32d55818168..9ffb7355850c7 100644
+--- a/arch/arm64/boot/dts/qcom/sm8350.dtsi
++++ b/arch/arm64/boot/dts/qcom/sm8350.dtsi
+@@ -736,6 +736,8 @@
+ interconnect-names = "memory",
+ "config";
+
++ qcom,qmp = <&aoss_qmp>;
++
+ qcom,smem-states = <&ipa_smp2p_out 0>,
+ <&ipa_smp2p_out 1>;
+ qcom,smem-state-names = "ipa-clock-enabled-valid",
+diff --git a/arch/arm64/include/asm/page.h b/arch/arm64/include/asm/page.h
+index f98c91bbd7c17..993a27ea6f543 100644
+--- a/arch/arm64/include/asm/page.h
++++ b/arch/arm64/include/asm/page.h
+@@ -41,7 +41,6 @@ void tag_clear_highpage(struct page *to);
+
+ typedef struct page *pgtable_t;
+
+-int pfn_valid(unsigned long pfn);
+ int pfn_is_map_memory(unsigned long pfn);
+
+ #include <asm/memory.h>
+diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
+index 08363d3cc1da5..ed57717cd0040 100644
+--- a/arch/arm64/include/asm/pgtable.h
++++ b/arch/arm64/include/asm/pgtable.h
+@@ -535,7 +535,7 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
+ PMD_TYPE_TABLE)
+ #define pmd_sect(pmd) ((pmd_val(pmd) & PMD_TYPE_MASK) == \
+ PMD_TYPE_SECT)
+-#define pmd_leaf(pmd) pmd_sect(pmd)
++#define pmd_leaf(pmd) (pmd_present(pmd) && !pmd_table(pmd))
+ #define pmd_bad(pmd) (!pmd_table(pmd))
+
+ #define pmd_leaf_size(pmd) (pmd_cont(pmd) ? CONT_PMD_SIZE : PMD_SIZE)
+@@ -625,7 +625,7 @@ static inline unsigned long pmd_page_vaddr(pmd_t pmd)
+ #define pud_none(pud) (!pud_val(pud))
+ #define pud_bad(pud) (!pud_table(pud))
+ #define pud_present(pud) pte_present(pud_pte(pud))
+-#define pud_leaf(pud) pud_sect(pud)
++#define pud_leaf(pud) (pud_present(pud) && !pud_table(pud))
+ #define pud_valid(pud) pte_valid(pud_pte(pud))
+
+ static inline void set_pud(pud_t *pudp, pud_t pud)
+diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
+index c59cb2efd5542..3b269c7567984 100644
+--- a/arch/arm64/mm/init.c
++++ b/arch/arm64/mm/init.c
+@@ -184,43 +184,6 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max)
+ free_area_init(max_zone_pfns);
+ }
+
+-int pfn_valid(unsigned long pfn)
+-{
+- phys_addr_t addr = PFN_PHYS(pfn);
+- struct mem_section *ms;
+-
+- /*
+- * Ensure the upper PAGE_SHIFT bits are clear in the
+- * pfn. Else it might lead to false positives when
+- * some of the upper bits are set, but the lower bits
+- * match a valid pfn.
+- */
+- if (PHYS_PFN(addr) != pfn)
+- return 0;
+-
+- if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS)
+- return 0;
+-
+- ms = __pfn_to_section(pfn);
+- if (!valid_section(ms))
+- return 0;
+-
+- /*
+- * ZONE_DEVICE memory does not have the memblock entries.
+- * memblock_is_map_memory() check for ZONE_DEVICE based
+- * addresses will always fail. Even the normal hotplugged
+- * memory will never have MEMBLOCK_NOMAP flag set in their
+- * memblock entries. Skip memblock search for all non early
+- * memory sections covering all of hotplug memory including
+- * both normal and ZONE_DEVICE based.
+- */
+- if (!early_section(ms))
+- return pfn_section_valid(ms, pfn);
+-
+- return memblock_is_memory(addr);
+-}
+-EXPORT_SYMBOL(pfn_valid);
+-
+ int pfn_is_map_memory(unsigned long pfn)
+ {
+ phys_addr_t addr = PFN_PHYS(pfn);
+diff --git a/arch/powerpc/kvm/book3s_64_vio.c b/arch/powerpc/kvm/book3s_64_vio.c
+index 6365087f31602..3cb2e05a7ee83 100644
+--- a/arch/powerpc/kvm/book3s_64_vio.c
++++ b/arch/powerpc/kvm/book3s_64_vio.c
+@@ -421,13 +421,19 @@ static void kvmppc_tce_put(struct kvmppc_spapr_tce_table *stt,
+ tbl[idx % TCES_PER_PAGE] = tce;
+ }
+
+-static void kvmppc_clear_tce(struct mm_struct *mm, struct iommu_table *tbl,
+- unsigned long entry)
++static void kvmppc_clear_tce(struct mm_struct *mm, struct kvmppc_spapr_tce_table *stt,
++ struct iommu_table *tbl, unsigned long entry)
+ {
+- unsigned long hpa = 0;
+- enum dma_data_direction dir = DMA_NONE;
++ unsigned long i;
++ unsigned long subpages = 1ULL << (stt->page_shift - tbl->it_page_shift);
++ unsigned long io_entry = entry << (stt->page_shift - tbl->it_page_shift);
++
++ for (i = 0; i < subpages; ++i) {
++ unsigned long hpa = 0;
++ enum dma_data_direction dir = DMA_NONE;
+
+- iommu_tce_xchg_no_kill(mm, tbl, entry, &hpa, &dir);
++ iommu_tce_xchg_no_kill(mm, tbl, io_entry + i, &hpa, &dir);
++ }
+ }
+
+ static long kvmppc_tce_iommu_mapped_dec(struct kvm *kvm,
+@@ -486,6 +492,8 @@ static long kvmppc_tce_iommu_unmap(struct kvm *kvm,
+ break;
+ }
+
++ iommu_tce_kill(tbl, io_entry, subpages);
++
+ return ret;
+ }
+
+@@ -545,6 +553,8 @@ static long kvmppc_tce_iommu_map(struct kvm *kvm,
+ break;
+ }
+
++ iommu_tce_kill(tbl, io_entry, subpages);
++
+ return ret;
+ }
+
+@@ -591,10 +601,9 @@ long kvmppc_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn,
+ ret = kvmppc_tce_iommu_map(vcpu->kvm, stt, stit->tbl,
+ entry, ua, dir);
+
+- iommu_tce_kill(stit->tbl, entry, 1);
+
+ if (ret != H_SUCCESS) {
+- kvmppc_clear_tce(vcpu->kvm->mm, stit->tbl, entry);
++ kvmppc_clear_tce(vcpu->kvm->mm, stt, stit->tbl, entry);
+ goto unlock_exit;
+ }
+ }
+@@ -670,13 +679,13 @@ long kvmppc_h_put_tce_indirect(struct kvm_vcpu *vcpu,
+ */
+ if (get_user(tce, tces + i)) {
+ ret = H_TOO_HARD;
+- goto invalidate_exit;
++ goto unlock_exit;
+ }
+ tce = be64_to_cpu(tce);
+
+ if (kvmppc_tce_to_ua(vcpu->kvm, tce, &ua)) {
+ ret = H_PARAMETER;
+- goto invalidate_exit;
++ goto unlock_exit;
+ }
+
+ list_for_each_entry_lockless(stit, &stt->iommu_tables, next) {
+@@ -685,19 +694,15 @@ long kvmppc_h_put_tce_indirect(struct kvm_vcpu *vcpu,
+ iommu_tce_direction(tce));
+
+ if (ret != H_SUCCESS) {
+- kvmppc_clear_tce(vcpu->kvm->mm, stit->tbl,
+- entry);
+- goto invalidate_exit;
++ kvmppc_clear_tce(vcpu->kvm->mm, stt, stit->tbl,
++ entry + i);
++ goto unlock_exit;
+ }
+ }
+
+ kvmppc_tce_put(stt, entry + i, tce);
+ }
+
+-invalidate_exit:
+- list_for_each_entry_lockless(stit, &stt->iommu_tables, next)
+- iommu_tce_kill(stit->tbl, entry, npages);
+-
+ unlock_exit:
+ srcu_read_unlock(&vcpu->kvm->srcu, idx);
+
+@@ -736,20 +741,16 @@ long kvmppc_h_stuff_tce(struct kvm_vcpu *vcpu,
+ continue;
+
+ if (ret == H_TOO_HARD)
+- goto invalidate_exit;
++ return ret;
+
+ WARN_ON_ONCE(1);
+- kvmppc_clear_tce(vcpu->kvm->mm, stit->tbl, entry);
++ kvmppc_clear_tce(vcpu->kvm->mm, stt, stit->tbl, entry + i);
+ }
+ }
+
+ for (i = 0; i < npages; ++i, ioba += (1ULL << stt->page_shift))
+ kvmppc_tce_put(stt, ioba >> stt->page_shift, tce_value);
+
+-invalidate_exit:
+- list_for_each_entry_lockless(stit, &stt->iommu_tables, next)
+- iommu_tce_kill(stit->tbl, ioba >> stt->page_shift, npages);
+-
+ return ret;
+ }
+ EXPORT_SYMBOL_GPL(kvmppc_h_stuff_tce);
+diff --git a/arch/powerpc/kvm/book3s_64_vio_hv.c b/arch/powerpc/kvm/book3s_64_vio_hv.c
+index 870b7f0c7ea56..fdeda6a9cff44 100644
+--- a/arch/powerpc/kvm/book3s_64_vio_hv.c
++++ b/arch/powerpc/kvm/book3s_64_vio_hv.c
+@@ -247,13 +247,19 @@ static void iommu_tce_kill_rm(struct iommu_table *tbl,
+ tbl->it_ops->tce_kill(tbl, entry, pages, true);
+ }
+
+-static void kvmppc_rm_clear_tce(struct kvm *kvm, struct iommu_table *tbl,
+- unsigned long entry)
++static void kvmppc_rm_clear_tce(struct kvm *kvm, struct kvmppc_spapr_tce_table *stt,
++ struct iommu_table *tbl, unsigned long entry)
+ {
+- unsigned long hpa = 0;
+- enum dma_data_direction dir = DMA_NONE;
++ unsigned long i;
++ unsigned long subpages = 1ULL << (stt->page_shift - tbl->it_page_shift);
++ unsigned long io_entry = entry << (stt->page_shift - tbl->it_page_shift);
++
++ for (i = 0; i < subpages; ++i) {
++ unsigned long hpa = 0;
++ enum dma_data_direction dir = DMA_NONE;
+
+- iommu_tce_xchg_no_kill_rm(kvm->mm, tbl, entry, &hpa, &dir);
++ iommu_tce_xchg_no_kill_rm(kvm->mm, tbl, io_entry + i, &hpa, &dir);
++ }
+ }
+
+ static long kvmppc_rm_tce_iommu_mapped_dec(struct kvm *kvm,
+@@ -316,6 +322,8 @@ static long kvmppc_rm_tce_iommu_unmap(struct kvm *kvm,
+ break;
+ }
+
++ iommu_tce_kill_rm(tbl, io_entry, subpages);
++
+ return ret;
+ }
+
+@@ -379,6 +387,8 @@ static long kvmppc_rm_tce_iommu_map(struct kvm *kvm,
+ break;
+ }
+
++ iommu_tce_kill_rm(tbl, io_entry, subpages);
++
+ return ret;
+ }
+
+@@ -420,10 +430,8 @@ long kvmppc_rm_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn,
+ ret = kvmppc_rm_tce_iommu_map(vcpu->kvm, stt,
+ stit->tbl, entry, ua, dir);
+
+- iommu_tce_kill_rm(stit->tbl, entry, 1);
+-
+ if (ret != H_SUCCESS) {
+- kvmppc_rm_clear_tce(vcpu->kvm, stit->tbl, entry);
++ kvmppc_rm_clear_tce(vcpu->kvm, stt, stit->tbl, entry);
+ return ret;
+ }
+ }
+@@ -561,7 +569,7 @@ long kvmppc_rm_h_put_tce_indirect(struct kvm_vcpu *vcpu,
+ ua = 0;
+ if (kvmppc_rm_tce_to_ua(vcpu->kvm, tce, &ua)) {
+ ret = H_PARAMETER;
+- goto invalidate_exit;
++ goto unlock_exit;
+ }
+
+ list_for_each_entry_lockless(stit, &stt->iommu_tables, next) {
+@@ -570,19 +578,15 @@ long kvmppc_rm_h_put_tce_indirect(struct kvm_vcpu *vcpu,
+ iommu_tce_direction(tce));
+
+ if (ret != H_SUCCESS) {
+- kvmppc_rm_clear_tce(vcpu->kvm, stit->tbl,
+- entry);
+- goto invalidate_exit;
++ kvmppc_rm_clear_tce(vcpu->kvm, stt, stit->tbl,
++ entry + i);
++ goto unlock_exit;
+ }
+ }
+
+ kvmppc_rm_tce_put(stt, entry + i, tce);
+ }
+
+-invalidate_exit:
+- list_for_each_entry_lockless(stit, &stt->iommu_tables, next)
+- iommu_tce_kill_rm(stit->tbl, entry, npages);
+-
+ unlock_exit:
+ if (!prereg)
+ arch_spin_unlock(&kvm->mmu_lock.rlock.raw_lock);
+@@ -620,20 +624,16 @@ long kvmppc_rm_h_stuff_tce(struct kvm_vcpu *vcpu,
+ continue;
+
+ if (ret == H_TOO_HARD)
+- goto invalidate_exit;
++ return ret;
+
+ WARN_ON_ONCE_RM(1);
+- kvmppc_rm_clear_tce(vcpu->kvm, stit->tbl, entry);
++ kvmppc_rm_clear_tce(vcpu->kvm, stt, stit->tbl, entry + i);
+ }
+ }
+
+ for (i = 0; i < npages; ++i, ioba += (1ULL << stt->page_shift))
+ kvmppc_rm_tce_put(stt, ioba >> stt->page_shift, tce_value);
+
+-invalidate_exit:
+- list_for_each_entry_lockless(stit, &stt->iommu_tables, next)
+- iommu_tce_kill_rm(stit->tbl, ioba >> stt->page_shift, npages);
+-
+ return ret;
+ }
+
+diff --git a/arch/powerpc/perf/power10-pmu.c b/arch/powerpc/perf/power10-pmu.c
+index 9dd75f3858372..07ca62d084d9d 100644
+--- a/arch/powerpc/perf/power10-pmu.c
++++ b/arch/powerpc/perf/power10-pmu.c
+@@ -91,8 +91,8 @@ extern u64 PERF_REG_EXTENDED_MASK;
+
+ /* Table of alternatives, sorted by column 0 */
+ static const unsigned int power10_event_alternatives[][MAX_ALT] = {
+- { PM_CYC_ALT, PM_CYC },
+ { PM_INST_CMPL_ALT, PM_INST_CMPL },
++ { PM_CYC_ALT, PM_CYC },
+ };
+
+ static int power10_get_alternatives(u64 event, unsigned int flags, u64 alt[])
+diff --git a/arch/powerpc/perf/power9-pmu.c b/arch/powerpc/perf/power9-pmu.c
+index ff3382140d7e6..cbdd074ee2a70 100644
+--- a/arch/powerpc/perf/power9-pmu.c
++++ b/arch/powerpc/perf/power9-pmu.c
+@@ -133,11 +133,11 @@ int p9_dd22_bl_ev[] = {
+
+ /* Table of alternatives, sorted by column 0 */
+ static const unsigned int power9_event_alternatives[][MAX_ALT] = {
+- { PM_INST_DISP, PM_INST_DISP_ALT },
+- { PM_RUN_CYC_ALT, PM_RUN_CYC },
+- { PM_RUN_INST_CMPL_ALT, PM_RUN_INST_CMPL },
+- { PM_LD_MISS_L1, PM_LD_MISS_L1_ALT },
+ { PM_BR_2PATH, PM_BR_2PATH_ALT },
++ { PM_INST_DISP, PM_INST_DISP_ALT },
++ { PM_RUN_CYC_ALT, PM_RUN_CYC },
++ { PM_LD_MISS_L1, PM_LD_MISS_L1_ALT },
++ { PM_RUN_INST_CMPL_ALT, PM_RUN_INST_CMPL },
+ };
+
+ static int power9_get_alternatives(u64 event, unsigned int flags, u64 alt[])
+diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h
+index 7516e4199b3c6..20fd0acd7d800 100644
+--- a/arch/x86/include/asm/compat.h
++++ b/arch/x86/include/asm/compat.h
+@@ -28,15 +28,13 @@ typedef u16 compat_ipc_pid_t;
+ typedef __kernel_fsid_t compat_fsid_t;
+
+ struct compat_stat {
+- compat_dev_t st_dev;
+- u16 __pad1;
++ u32 st_dev;
+ compat_ino_t st_ino;
+ compat_mode_t st_mode;
+ compat_nlink_t st_nlink;
+ __compat_uid_t st_uid;
+ __compat_gid_t st_gid;
+- compat_dev_t st_rdev;
+- u16 __pad2;
++ u32 st_rdev;
+ u32 st_size;
+ u32 st_blksize;
+ u32 st_blocks;
+diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h
+index a06d95165ac7c..c206decb39fab 100644
+--- a/arch/x86/kvm/pmu.h
++++ b/arch/x86/kvm/pmu.h
+@@ -141,6 +141,15 @@ static inline u64 get_sample_period(struct kvm_pmc *pmc, u64 counter_value)
+ return sample_period;
+ }
+
++static inline void pmc_update_sample_period(struct kvm_pmc *pmc)
++{
++ if (!pmc->perf_event || pmc->is_paused)
++ return;
++
++ perf_event_period(pmc->perf_event,
++ get_sample_period(pmc, pmc->counter));
++}
++
+ void reprogram_gp_counter(struct kvm_pmc *pmc, u64 eventsel);
+ void reprogram_fixed_counter(struct kvm_pmc *pmc, u8 ctrl, int fixed_idx);
+ void reprogram_counter(struct kvm_pmu *pmu, int pmc_idx);
+diff --git a/arch/x86/kvm/svm/pmu.c b/arch/x86/kvm/svm/pmu.c
+index 3faf1d9c6c91c..f337ce7e898e3 100644
+--- a/arch/x86/kvm/svm/pmu.c
++++ b/arch/x86/kvm/svm/pmu.c
+@@ -256,6 +256,7 @@ static int amd_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
+ pmc = get_gp_pmc_amd(pmu, msr, PMU_TYPE_COUNTER);
+ if (pmc) {
+ pmc->counter += data - pmc_read_counter(pmc);
++ pmc_update_sample_period(pmc);
+ return 0;
+ }
+ /* MSR_EVNTSELn */
+diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
+index 134c4ea5e6ad8..c8c3212250618 100644
+--- a/arch/x86/kvm/svm/sev.c
++++ b/arch/x86/kvm/svm/sev.c
+@@ -1990,11 +1990,14 @@ static void sev_flush_guest_memory(struct vcpu_svm *svm, void *va,
+ unsigned long len)
+ {
+ /*
+- * If hardware enforced cache coherency for encrypted mappings of the
+- * same physical page is supported, nothing to do.
++ * If CPU enforced cache coherency for encrypted mappings of the
++ * same physical page is supported, use CLFLUSHOPT instead. NOTE: cache
++ * flush is still needed in order to work properly with DMA devices.
+ */
+- if (boot_cpu_has(X86_FEATURE_SME_COHERENT))
++ if (boot_cpu_has(X86_FEATURE_SME_COHERENT)) {
++ clflush_cache_range(va, PAGE_SIZE);
+ return;
++ }
+
+ /*
+ * If the VM Page Flush MSR is supported, use it to flush the page
+diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
+index a0193b11c381d..1546a10ecb564 100644
+--- a/arch/x86/kvm/vmx/nested.c
++++ b/arch/x86/kvm/vmx/nested.c
+@@ -4601,6 +4601,11 @@ void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 vm_exit_reason,
+ kvm_make_request(KVM_REQ_APIC_PAGE_RELOAD, vcpu);
+ }
+
++ if (vmx->nested.update_vmcs01_apicv_status) {
++ vmx->nested.update_vmcs01_apicv_status = false;
++ kvm_make_request(KVM_REQ_APICV_UPDATE, vcpu);
++ }
++
+ if ((vm_exit_reason != -1) &&
+ (enable_shadow_vmcs || evmptr_is_valid(vmx->nested.hv_evmcs_vmptr)))
+ vmx->nested.need_vmcs12_to_shadow_sync = true;
+diff --git a/arch/x86/kvm/vmx/pmu_intel.c b/arch/x86/kvm/vmx/pmu_intel.c
+index 7abe77c8b5d03..e7275ce15a8b0 100644
+--- a/arch/x86/kvm/vmx/pmu_intel.c
++++ b/arch/x86/kvm/vmx/pmu_intel.c
+@@ -439,15 +439,11 @@ static int intel_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
+ !(msr & MSR_PMC_FULL_WIDTH_BIT))
+ data = (s64)(s32)data;
+ pmc->counter += data - pmc_read_counter(pmc);
+- if (pmc->perf_event && !pmc->is_paused)
+- perf_event_period(pmc->perf_event,
+- get_sample_period(pmc, data));
++ pmc_update_sample_period(pmc);
+ return 0;
+ } else if ((pmc = get_fixed_pmc(pmu, msr))) {
+ pmc->counter += data - pmc_read_counter(pmc);
+- if (pmc->perf_event && !pmc->is_paused)
+- perf_event_period(pmc->perf_event,
+- get_sample_period(pmc, data));
++ pmc_update_sample_period(pmc);
+ return 0;
+ } else if ((pmc = get_gp_pmc(pmu, msr, MSR_P6_EVNTSEL0))) {
+ if (data == pmc->eventsel)
+diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
+index 322485ab9271c..16a660a0ed5f7 100644
+--- a/arch/x86/kvm/vmx/vmx.c
++++ b/arch/x86/kvm/vmx/vmx.c
+@@ -4098,6 +4098,11 @@ static void vmx_refresh_apicv_exec_ctrl(struct kvm_vcpu *vcpu)
+ {
+ struct vcpu_vmx *vmx = to_vmx(vcpu);
+
++ if (is_guest_mode(vcpu)) {
++ vmx->nested.update_vmcs01_apicv_status = true;
++ return;
++ }
++
+ pin_controls_set(vmx, vmx_pin_based_exec_ctrl(vmx));
+ if (cpu_has_secondary_exec_ctrls()) {
+ if (kvm_vcpu_apicv_active(vcpu))
+diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h
+index 3f9c8548625d6..460c7bd8158cc 100644
+--- a/arch/x86/kvm/vmx/vmx.h
++++ b/arch/x86/kvm/vmx/vmx.h
+@@ -164,6 +164,7 @@ struct nested_vmx {
+ bool change_vmcs01_virtual_apic_mode;
+ bool reload_vmcs01_apic_access_page;
+ bool update_vmcs01_cpu_dirty_logging;
++ bool update_vmcs01_apicv_status;
+
+ /*
+ * Enlightened VMCS has been enabled. It does not mean that L1 has to
+diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
+index 5b1d2f656b45a..75da9c0d5ae37 100644
+--- a/arch/x86/kvm/x86.c
++++ b/arch/x86/kvm/x86.c
+@@ -10813,8 +10813,21 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
+ r = kvm_create_lapic(vcpu, lapic_timer_advance_ns);
+ if (r < 0)
+ goto fail_mmu_destroy;
+- if (kvm_apicv_activated(vcpu->kvm))
++
++ /*
++ * Defer evaluating inhibits until the vCPU is first run, as
++ * this vCPU will not get notified of any changes until this
++ * vCPU is visible to other vCPUs (marked online and added to
++ * the set of vCPUs). Opportunistically mark APICv active as
++ * VMX in particularly is highly unlikely to have inhibits.
++ * Ignore the current per-VM APICv state so that vCPU creation
++ * is guaranteed to run with a deterministic value, the request
++ * will ensure the vCPU gets the correct state before VM-Entry.
++ */
++ if (enable_apicv) {
+ vcpu->arch.apicv_active = true;
++ kvm_make_request(KVM_REQ_APICV_UPDATE, vcpu);
++ }
+ } else
+ static_branch_inc(&kvm_has_noapic_vcpu);
+
+diff --git a/arch/xtensa/kernel/coprocessor.S b/arch/xtensa/kernel/coprocessor.S
+index 45cc0ae0af6f9..c7b9f12896f20 100644
+--- a/arch/xtensa/kernel/coprocessor.S
++++ b/arch/xtensa/kernel/coprocessor.S
+@@ -29,7 +29,7 @@
+ .if XTENSA_HAVE_COPROCESSOR(x); \
+ .align 4; \
+ .Lsave_cp_regs_cp##x: \
+- xchal_cp##x##_store a2 a4 a5 a6 a7; \
++ xchal_cp##x##_store a2 a3 a4 a5 a6; \
+ jx a0; \
+ .endif
+
+@@ -46,7 +46,7 @@
+ .if XTENSA_HAVE_COPROCESSOR(x); \
+ .align 4; \
+ .Lload_cp_regs_cp##x: \
+- xchal_cp##x##_load a2 a4 a5 a6 a7; \
++ xchal_cp##x##_load a2 a3 a4 a5 a6; \
+ jx a0; \
+ .endif
+
+diff --git a/arch/xtensa/kernel/jump_label.c b/arch/xtensa/kernel/jump_label.c
+index 0dde21e0d3de4..ad1841cecdfb7 100644
+--- a/arch/xtensa/kernel/jump_label.c
++++ b/arch/xtensa/kernel/jump_label.c
+@@ -40,7 +40,7 @@ static int patch_text_stop_machine(void *data)
+ {
+ struct patch *patch = data;
+
+- if (atomic_inc_return(&patch->cpu_count) == 1) {
++ if (atomic_inc_return(&patch->cpu_count) == num_online_cpus()) {
+ local_patch_text(patch->addr, patch->data, patch->sz);
+ atomic_inc(&patch->cpu_count);
+ } else {
+diff --git a/block/bdev.c b/block/bdev.c
+index 485a258b0ab37..18abafb135e0b 100644
+--- a/block/bdev.c
++++ b/block/bdev.c
+@@ -184,14 +184,13 @@ int sb_min_blocksize(struct super_block *sb, int size)
+
+ EXPORT_SYMBOL(sb_min_blocksize);
+
+-int __sync_blockdev(struct block_device *bdev, int wait)
++int sync_blockdev_nowait(struct block_device *bdev)
+ {
+ if (!bdev)
+ return 0;
+- if (!wait)
+- return filemap_flush(bdev->bd_inode->i_mapping);
+- return filemap_write_and_wait(bdev->bd_inode->i_mapping);
++ return filemap_flush(bdev->bd_inode->i_mapping);
+ }
++EXPORT_SYMBOL_GPL(sync_blockdev_nowait);
+
+ /*
+ * Write out and wait upon all the dirty data associated with a block
+@@ -199,7 +198,9 @@ int __sync_blockdev(struct block_device *bdev, int wait)
+ */
+ int sync_blockdev(struct block_device *bdev)
+ {
+- return __sync_blockdev(bdev, 1);
++ if (!bdev)
++ return 0;
++ return filemap_write_and_wait(bdev->bd_inode->i_mapping);
+ }
+ EXPORT_SYMBOL(sync_blockdev);
+
+@@ -1016,7 +1017,7 @@ int __invalidate_device(struct block_device *bdev, bool kill_dirty)
+ }
+ EXPORT_SYMBOL(__invalidate_device);
+
+-void iterate_bdevs(void (*func)(struct block_device *, void *), void *arg)
++void sync_bdevs(bool wait)
+ {
+ struct inode *inode, *old_inode = NULL;
+
+@@ -1047,8 +1048,19 @@ void iterate_bdevs(void (*func)(struct block_device *, void *), void *arg)
+ bdev = I_BDEV(inode);
+
+ mutex_lock(&bdev->bd_disk->open_mutex);
+- if (bdev->bd_openers)
+- func(bdev, arg);
++ if (!bdev->bd_openers) {
++ ; /* skip */
++ } else if (wait) {
++ /*
++ * We keep the error status of individual mapping so
++ * that applications can catch the writeback error using
++ * fsync(2). See filemap_fdatawait_keep_errors() for
++ * details.
++ */
++ filemap_fdatawait_keep_errors(inode->i_mapping);
++ } else {
++ filemap_fdatawrite(inode->i_mapping);
++ }
+ mutex_unlock(&bdev->bd_disk->open_mutex);
+
+ spin_lock(&blockdev_superblock->s_inode_list_lock);
+diff --git a/block/ioctl.c b/block/ioctl.c
+index a31be7fa31a51..cd506a9029630 100644
+--- a/block/ioctl.c
++++ b/block/ioctl.c
+@@ -645,7 +645,7 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
+ (bdev->bd_disk->bdi->ra_pages * PAGE_SIZE) / 512);
+ case BLKGETSIZE:
+ size = i_size_read(bdev->bd_inode);
+- if ((size >> 9) > ~0UL)
++ if ((size >> 9) > ~(compat_ulong_t)0)
+ return -EFBIG;
+ return compat_put_ulong(argp, size >> 9);
+
+diff --git a/drivers/ata/pata_marvell.c b/drivers/ata/pata_marvell.c
+index 361597d14c569..d45a75bfc0169 100644
+--- a/drivers/ata/pata_marvell.c
++++ b/drivers/ata/pata_marvell.c
+@@ -83,6 +83,8 @@ static int marvell_cable_detect(struct ata_port *ap)
+ switch(ap->port_no)
+ {
+ case 0:
++ if (!ap->ioaddr.bmdma_addr)
++ return ATA_CBL_PATA_UNK;
+ if (ioread8(ap->ioaddr.bmdma_addr + 1) & 1)
+ return ATA_CBL_PATA40;
+ return ATA_CBL_PATA80;
+diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
+index 8177aed160060..177a537971a1b 100644
+--- a/drivers/dma/at_xdmac.c
++++ b/drivers/dma/at_xdmac.c
+@@ -1450,7 +1450,7 @@ at_xdmac_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
+ {
+ struct at_xdmac_chan *atchan = to_at_xdmac_chan(chan);
+ struct at_xdmac *atxdmac = to_at_xdmac(atchan->chan.device);
+- struct at_xdmac_desc *desc, *_desc;
++ struct at_xdmac_desc *desc, *_desc, *iter;
+ struct list_head *descs_list;
+ enum dma_status ret;
+ int residue, retry;
+@@ -1565,11 +1565,13 @@ at_xdmac_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
+ * microblock.
+ */
+ descs_list = &desc->descs_list;
+- list_for_each_entry_safe(desc, _desc, descs_list, desc_node) {
+- dwidth = at_xdmac_get_dwidth(desc->lld.mbr_cfg);
+- residue -= (desc->lld.mbr_ubc & 0xffffff) << dwidth;
+- if ((desc->lld.mbr_nda & 0xfffffffc) == cur_nda)
++ list_for_each_entry_safe(iter, _desc, descs_list, desc_node) {
++ dwidth = at_xdmac_get_dwidth(iter->lld.mbr_cfg);
++ residue -= (iter->lld.mbr_ubc & 0xffffff) << dwidth;
++ if ((iter->lld.mbr_nda & 0xfffffffc) == cur_nda) {
++ desc = iter;
+ break;
++ }
+ }
+ residue += cur_ubc << dwidth;
+
+diff --git a/drivers/dma/dw-edma/dw-edma-v0-core.c b/drivers/dma/dw-edma/dw-edma-v0-core.c
+index 329fc2e57b703..b5b8f8181e776 100644
+--- a/drivers/dma/dw-edma/dw-edma-v0-core.c
++++ b/drivers/dma/dw-edma/dw-edma-v0-core.c
+@@ -415,8 +415,11 @@ void dw_edma_v0_core_start(struct dw_edma_chunk *chunk, bool first)
+ (DW_EDMA_V0_CCS | DW_EDMA_V0_LLE));
+ /* Linked list */
+ #ifdef CONFIG_64BIT
+- SET_CH_64(dw, chan->dir, chan->id, llp.reg,
+- chunk->ll_region.paddr);
++ /* llp is not aligned on 64bit -> keep 32bit accesses */
++ SET_CH_32(dw, chan->dir, chan->id, llp.lsb,
++ lower_32_bits(chunk->ll_region.paddr));
++ SET_CH_32(dw, chan->dir, chan->id, llp.msb,
++ upper_32_bits(chunk->ll_region.paddr));
+ #else /* CONFIG_64BIT */
+ SET_CH_32(dw, chan->dir, chan->id, llp.lsb,
+ lower_32_bits(chunk->ll_region.paddr));
+diff --git a/drivers/dma/idxd/device.c b/drivers/dma/idxd/device.c
+index 7bd9ac1e93b29..e622245c93804 100644
+--- a/drivers/dma/idxd/device.c
++++ b/drivers/dma/idxd/device.c
+@@ -406,7 +406,6 @@ static void idxd_wq_device_reset_cleanup(struct idxd_wq *wq)
+ {
+ lockdep_assert_held(&wq->wq_lock);
+
+- idxd_wq_disable_cleanup(wq);
+ wq->size = 0;
+ wq->group = NULL;
+ }
+@@ -723,14 +722,17 @@ static void idxd_device_wqs_clear_state(struct idxd_device *idxd)
+
+ if (wq->state == IDXD_WQ_ENABLED) {
+ idxd_wq_disable_cleanup(wq);
+- idxd_wq_device_reset_cleanup(wq);
+ wq->state = IDXD_WQ_DISABLED;
+ }
++ idxd_wq_device_reset_cleanup(wq);
+ }
+ }
+
+ void idxd_device_clear_state(struct idxd_device *idxd)
+ {
++ if (!test_bit(IDXD_FLAG_CONFIGURABLE, &idxd->flags))
++ return;
++
+ idxd_groups_clear_state(idxd);
+ idxd_engines_clear_state(idxd);
+ idxd_device_wqs_clear_state(idxd);
+diff --git a/drivers/dma/idxd/sysfs.c b/drivers/dma/idxd/sysfs.c
+index 999ce13a93adc..33d94c67fedb9 100644
+--- a/drivers/dma/idxd/sysfs.c
++++ b/drivers/dma/idxd/sysfs.c
+@@ -842,6 +842,9 @@ static ssize_t wq_max_transfer_size_store(struct device *dev, struct device_attr
+ u64 xfer_size;
+ int rc;
+
++ if (!test_bit(IDXD_FLAG_CONFIGURABLE, &idxd->flags))
++ return -EPERM;
++
+ if (wq->state != IDXD_WQ_DISABLED)
+ return -EPERM;
+
+@@ -876,6 +879,9 @@ static ssize_t wq_max_batch_size_store(struct device *dev, struct device_attribu
+ u64 batch_size;
+ int rc;
+
++ if (!test_bit(IDXD_FLAG_CONFIGURABLE, &idxd->flags))
++ return -EPERM;
++
+ if (wq->state != IDXD_WQ_DISABLED)
+ return -EPERM;
+
+diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
+index cacc725ca5459..2300d965a3f44 100644
+--- a/drivers/dma/imx-sdma.c
++++ b/drivers/dma/imx-sdma.c
+@@ -198,12 +198,12 @@ struct sdma_script_start_addrs {
+ s32 per_2_firi_addr;
+ s32 mcu_2_firi_addr;
+ s32 uart_2_per_addr;
+- s32 uart_2_mcu_ram_addr;
++ s32 uart_2_mcu_addr;
+ s32 per_2_app_addr;
+ s32 mcu_2_app_addr;
+ s32 per_2_per_addr;
+ s32 uartsh_2_per_addr;
+- s32 uartsh_2_mcu_ram_addr;
++ s32 uartsh_2_mcu_addr;
+ s32 per_2_shp_addr;
+ s32 mcu_2_shp_addr;
+ s32 ata_2_mcu_addr;
+@@ -232,8 +232,8 @@ struct sdma_script_start_addrs {
+ s32 mcu_2_ecspi_addr;
+ s32 mcu_2_sai_addr;
+ s32 sai_2_mcu_addr;
+- s32 uart_2_mcu_addr;
+- s32 uartsh_2_mcu_addr;
++ s32 uart_2_mcu_rom_addr;
++ s32 uartsh_2_mcu_rom_addr;
+ /* End of v3 array */
+ s32 mcu_2_zqspi_addr;
+ /* End of v4 array */
+@@ -1780,17 +1780,17 @@ static void sdma_add_scripts(struct sdma_engine *sdma,
+ saddr_arr[i] = addr_arr[i];
+
+ /*
+- * get uart_2_mcu_addr/uartsh_2_mcu_addr rom script specially because
+- * they are now replaced by uart_2_mcu_ram_addr/uartsh_2_mcu_ram_addr
+- * to be compatible with legacy freescale/nxp sdma firmware, and they
+- * are located in the bottom part of sdma_script_start_addrs which are
+- * beyond the SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1.
++ * For compatibility with NXP internal legacy kernel before 4.19 which
++ * is based on uart ram script and mainline kernel based on uart rom
++ * script, both uart ram/rom scripts are present in newer sdma
++ * firmware. Use the rom versions if they are present (V3 or newer).
+ */
+- if (addr->uart_2_mcu_addr)
+- sdma->script_addrs->uart_2_mcu_addr = addr->uart_2_mcu_addr;
+- if (addr->uartsh_2_mcu_addr)
+- sdma->script_addrs->uartsh_2_mcu_addr = addr->uartsh_2_mcu_addr;
+-
++ if (sdma->script_number >= SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V3) {
++ if (addr->uart_2_mcu_rom_addr)
++ sdma->script_addrs->uart_2_mcu_addr = addr->uart_2_mcu_rom_addr;
++ if (addr->uartsh_2_mcu_rom_addr)
++ sdma->script_addrs->uartsh_2_mcu_addr = addr->uartsh_2_mcu_rom_addr;
++ }
+ }
+
+ static void sdma_load_firmware(const struct firmware *fw, void *context)
+@@ -1869,7 +1869,7 @@ static int sdma_event_remap(struct sdma_engine *sdma)
+ u32 reg, val, shift, num_map, i;
+ int ret = 0;
+
+- if (IS_ERR(np) || IS_ERR(gpr_np))
++ if (IS_ERR(np) || !gpr_np)
+ goto out;
+
+ event_remap = of_find_property(np, propname, NULL);
+@@ -1917,7 +1917,7 @@ static int sdma_event_remap(struct sdma_engine *sdma)
+ }
+
+ out:
+- if (!IS_ERR(gpr_np))
++ if (gpr_np)
+ of_node_put(gpr_np);
+
+ return ret;
+diff --git a/drivers/dma/mediatek/mtk-uart-apdma.c b/drivers/dma/mediatek/mtk-uart-apdma.c
+index 375e7e647df6b..a1517ef1f4a01 100644
+--- a/drivers/dma/mediatek/mtk-uart-apdma.c
++++ b/drivers/dma/mediatek/mtk-uart-apdma.c
+@@ -274,7 +274,7 @@ static int mtk_uart_apdma_alloc_chan_resources(struct dma_chan *chan)
+ unsigned int status;
+ int ret;
+
+- ret = pm_runtime_get_sync(mtkd->ddev.dev);
++ ret = pm_runtime_resume_and_get(mtkd->ddev.dev);
+ if (ret < 0) {
+ pm_runtime_put_noidle(chan->device->dev);
+ return ret;
+@@ -288,18 +288,21 @@ static int mtk_uart_apdma_alloc_chan_resources(struct dma_chan *chan)
+ ret = readx_poll_timeout(readl, c->base + VFF_EN,
+ status, !status, 10, 100);
+ if (ret)
+- return ret;
++ goto err_pm;
+
+ ret = request_irq(c->irq, mtk_uart_apdma_irq_handler,
+ IRQF_TRIGGER_NONE, KBUILD_MODNAME, chan);
+ if (ret < 0) {
+ dev_err(chan->device->dev, "Can't request dma IRQ\n");
+- return -EINVAL;
++ ret = -EINVAL;
++ goto err_pm;
+ }
+
+ if (mtkd->support_33bits)
+ mtk_uart_apdma_write(c, VFF_4G_SUPPORT, VFF_4G_SUPPORT_CLR_B);
+
++err_pm:
++ pm_runtime_put_noidle(mtkd->ddev.dev);
+ return ret;
+ }
+
+diff --git a/drivers/edac/synopsys_edac.c b/drivers/edac/synopsys_edac.c
+index a5486d86fdd2f..8557781bb8dce 100644
+--- a/drivers/edac/synopsys_edac.c
++++ b/drivers/edac/synopsys_edac.c
+@@ -163,6 +163,11 @@
+ #define ECC_STAT_CECNT_SHIFT 8
+ #define ECC_STAT_BITNUM_MASK 0x7F
+
++/* ECC error count register definitions */
++#define ECC_ERRCNT_UECNT_MASK 0xFFFF0000
++#define ECC_ERRCNT_UECNT_SHIFT 16
++#define ECC_ERRCNT_CECNT_MASK 0xFFFF
++
+ /* DDR QOS Interrupt register definitions */
+ #define DDR_QOS_IRQ_STAT_OFST 0x20200
+ #define DDR_QOSUE_MASK 0x4
+@@ -418,15 +423,16 @@ static int zynqmp_get_error_info(struct synps_edac_priv *priv)
+ base = priv->baseaddr;
+ p = &priv->stat;
+
++ regval = readl(base + ECC_ERRCNT_OFST);
++ p->ce_cnt = regval & ECC_ERRCNT_CECNT_MASK;
++ p->ue_cnt = (regval & ECC_ERRCNT_UECNT_MASK) >> ECC_ERRCNT_UECNT_SHIFT;
++ if (!p->ce_cnt)
++ goto ue_err;
++
+ regval = readl(base + ECC_STAT_OFST);
+ if (!regval)
+ return 1;
+
+- p->ce_cnt = (regval & ECC_STAT_CECNT_MASK) >> ECC_STAT_CECNT_SHIFT;
+- p->ue_cnt = (regval & ECC_STAT_UECNT_MASK) >> ECC_STAT_UECNT_SHIFT;
+- if (!p->ce_cnt)
+- goto ue_err;
+-
+ p->ceinfo.bitpos = (regval & ECC_STAT_BITNUM_MASK);
+
+ regval = readl(base + ECC_CEADDR0_OFST);
+diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
+index 91628edad2c67..320baed949ee8 100644
+--- a/drivers/gpio/gpiolib.c
++++ b/drivers/gpio/gpiolib.c
+@@ -1560,8 +1560,6 @@ static int gpiochip_add_irqchip(struct gpio_chip *gc,
+
+ gpiochip_set_irq_hooks(gc);
+
+- acpi_gpiochip_request_interrupts(gc);
+-
+ /*
+ * Using barrier() here to prevent compiler from reordering
+ * gc->irq.initialized before initialization of above
+@@ -1571,6 +1569,8 @@ static int gpiochip_add_irqchip(struct gpio_chip *gc,
+
+ gc->irq.initialized = true;
+
++ acpi_gpiochip_request_interrupts(gc);
++
+ return 0;
+ }
+
+diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
+index 1b0daf649e823..a3d0c57ec0f0b 100644
+--- a/drivers/gpu/drm/i915/display/intel_psr.c
++++ b/drivers/gpu/drm/i915/display/intel_psr.c
+@@ -936,6 +936,20 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
+ return false;
+ }
+
++ /* Wa_16011303918:adl-p */
++ if (crtc_state->vrr.enable &&
++ IS_ADLP_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0)) {
++ drm_dbg_kms(&dev_priv->drm,
++ "PSR2 not enabled, not compatible with HW stepping + VRR\n");
++ return false;
++ }
++
++ if (!_compute_psr2_sdp_prior_scanline_indication(intel_dp, crtc_state)) {
++ drm_dbg_kms(&dev_priv->drm,
++ "PSR2 not enabled, PSR2 SDP indication do not fit in hblank\n");
++ return false;
++ }
++
+ if (HAS_PSR2_SEL_FETCH(dev_priv)) {
+ if (!intel_psr2_sel_fetch_config_valid(intel_dp, crtc_state) &&
+ !HAS_PSR_HW_TRACKING(dev_priv)) {
+@@ -949,12 +963,12 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
+ if (!crtc_state->enable_psr2_sel_fetch &&
+ IS_TGL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_C0)) {
+ drm_dbg_kms(&dev_priv->drm, "PSR2 HW tracking is not supported this Display stepping\n");
+- return false;
++ goto unsupported;
+ }
+
+ if (!psr2_granularity_check(intel_dp, crtc_state)) {
+ drm_dbg_kms(&dev_priv->drm, "PSR2 not enabled, SU granularity not compatible\n");
+- return false;
++ goto unsupported;
+ }
+
+ if (!crtc_state->enable_psr2_sel_fetch &&
+@@ -963,25 +977,15 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
+ "PSR2 not enabled, resolution %dx%d > max supported %dx%d\n",
+ crtc_hdisplay, crtc_vdisplay,
+ psr_max_h, psr_max_v);
+- return false;
+- }
+-
+- if (!_compute_psr2_sdp_prior_scanline_indication(intel_dp, crtc_state)) {
+- drm_dbg_kms(&dev_priv->drm,
+- "PSR2 not enabled, PSR2 SDP indication do not fit in hblank\n");
+- return false;
+- }
+-
+- /* Wa_16011303918:adl-p */
+- if (crtc_state->vrr.enable &&
+- IS_ADLP_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0)) {
+- drm_dbg_kms(&dev_priv->drm,
+- "PSR2 not enabled, not compatible with HW stepping + VRR\n");
+- return false;
++ goto unsupported;
+ }
+
+ tgl_dc3co_exitline_compute_config(intel_dp, crtc_state);
+ return true;
++
++unsupported:
++ crtc_state->enable_psr2_sel_fetch = false;
++ return false;
+ }
+
+ void intel_psr_compute_config(struct intel_dp *intel_dp,
+diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
+index c6b69afcbac89..50e854207c70a 100644
+--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
++++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
+@@ -90,7 +90,10 @@ static void mdp5_plane_reset(struct drm_plane *plane)
+ __drm_atomic_helper_plane_destroy_state(plane->state);
+
+ kfree(to_mdp5_plane_state(plane->state));
++ plane->state = NULL;
+ mdp5_state = kzalloc(sizeof(*mdp5_state), GFP_KERNEL);
++ if (!mdp5_state)
++ return;
+
+ if (plane->type == DRM_PLANE_TYPE_PRIMARY)
+ mdp5_state->base.zpos = STAGE_BASE;
+diff --git a/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c b/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
+index cabe15190ec18..369e57f73a470 100644
+--- a/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
++++ b/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
+@@ -169,6 +169,8 @@ void msm_disp_snapshot_add_block(struct msm_disp_state *disp_state, u32 len,
+ va_list va;
+
+ new_blk = kzalloc(sizeof(struct msm_disp_state_block), GFP_KERNEL);
++ if (!new_blk)
++ return;
+
+ va_start(va, fmt);
+
+diff --git a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c
+index 46029c5610c80..145047e193946 100644
+--- a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c
++++ b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c
+@@ -229,7 +229,7 @@ static void rpi_touchscreen_i2c_write(struct rpi_touchscreen *ts,
+
+ ret = i2c_smbus_write_byte_data(ts->i2c, reg, val);
+ if (ret)
+- dev_err(&ts->dsi->dev, "I2C write failed: %d\n", ret);
++ dev_err(&ts->i2c->dev, "I2C write failed: %d\n", ret);
+ }
+
+ static int rpi_touchscreen_write(struct rpi_touchscreen *ts, u16 reg, u32 val)
+@@ -265,7 +265,7 @@ static int rpi_touchscreen_noop(struct drm_panel *panel)
+ return 0;
+ }
+
+-static int rpi_touchscreen_enable(struct drm_panel *panel)
++static int rpi_touchscreen_prepare(struct drm_panel *panel)
+ {
+ struct rpi_touchscreen *ts = panel_to_ts(panel);
+ int i;
+@@ -295,6 +295,13 @@ static int rpi_touchscreen_enable(struct drm_panel *panel)
+ rpi_touchscreen_write(ts, DSI_STARTDSI, 0x01);
+ msleep(100);
+
++ return 0;
++}
++
++static int rpi_touchscreen_enable(struct drm_panel *panel)
++{
++ struct rpi_touchscreen *ts = panel_to_ts(panel);
++
+ /* Turn on the backlight. */
+ rpi_touchscreen_i2c_write(ts, REG_PWM, 255);
+
+@@ -349,7 +356,7 @@ static int rpi_touchscreen_get_modes(struct drm_panel *panel,
+ static const struct drm_panel_funcs rpi_touchscreen_funcs = {
+ .disable = rpi_touchscreen_disable,
+ .unprepare = rpi_touchscreen_noop,
+- .prepare = rpi_touchscreen_noop,
++ .prepare = rpi_touchscreen_prepare,
+ .enable = rpi_touchscreen_enable,
+ .get_modes = rpi_touchscreen_get_modes,
+ };
+diff --git a/drivers/gpu/drm/vc4/vc4_dsi.c b/drivers/gpu/drm/vc4/vc4_dsi.c
+index d09c1ea60c04e..ca85063166609 100644
+--- a/drivers/gpu/drm/vc4/vc4_dsi.c
++++ b/drivers/gpu/drm/vc4/vc4_dsi.c
+@@ -846,7 +846,7 @@ static void vc4_dsi_encoder_enable(struct drm_encoder *encoder)
+ unsigned long phy_clock;
+ int ret;
+
+- ret = pm_runtime_get_sync(dev);
++ ret = pm_runtime_resume_and_get(dev);
+ if (ret) {
+ DRM_ERROR("Failed to runtime PM enable on DSI%d\n", dsi->variant->port);
+ return;
+diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
+index 43375b38ee592..8a7ce41b8c56e 100644
+--- a/drivers/input/keyboard/omap4-keypad.c
++++ b/drivers/input/keyboard/omap4-keypad.c
+@@ -393,7 +393,7 @@ static int omap4_keypad_probe(struct platform_device *pdev)
+ * revision register.
+ */
+ error = pm_runtime_get_sync(dev);
+- if (error) {
++ if (error < 0) {
+ dev_err(dev, "pm_runtime_get_sync() failed\n");
+ pm_runtime_put_noidle(dev);
+ return error;
+diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig
+index 412ae3e43ffb7..35ac6fe7529c5 100644
+--- a/drivers/net/ethernet/Kconfig
++++ b/drivers/net/ethernet/Kconfig
+@@ -34,15 +34,6 @@ source "drivers/net/ethernet/apple/Kconfig"
+ source "drivers/net/ethernet/aquantia/Kconfig"
+ source "drivers/net/ethernet/arc/Kconfig"
+ source "drivers/net/ethernet/atheros/Kconfig"
+-source "drivers/net/ethernet/broadcom/Kconfig"
+-source "drivers/net/ethernet/brocade/Kconfig"
+-source "drivers/net/ethernet/cadence/Kconfig"
+-source "drivers/net/ethernet/calxeda/Kconfig"
+-source "drivers/net/ethernet/cavium/Kconfig"
+-source "drivers/net/ethernet/chelsio/Kconfig"
+-source "drivers/net/ethernet/cirrus/Kconfig"
+-source "drivers/net/ethernet/cisco/Kconfig"
+-source "drivers/net/ethernet/cortina/Kconfig"
+
+ config CX_ECAT
+ tristate "Beckhoff CX5020 EtherCAT master support"
+@@ -56,6 +47,14 @@ config CX_ECAT
+ To compile this driver as a module, choose M here. The module
+ will be called ec_bhf.
+
++source "drivers/net/ethernet/broadcom/Kconfig"
++source "drivers/net/ethernet/cadence/Kconfig"
++source "drivers/net/ethernet/calxeda/Kconfig"
++source "drivers/net/ethernet/cavium/Kconfig"
++source "drivers/net/ethernet/chelsio/Kconfig"
++source "drivers/net/ethernet/cirrus/Kconfig"
++source "drivers/net/ethernet/cisco/Kconfig"
++source "drivers/net/ethernet/cortina/Kconfig"
+ source "drivers/net/ethernet/davicom/Kconfig"
+
+ config DNET
+@@ -82,7 +81,6 @@ source "drivers/net/ethernet/huawei/Kconfig"
+ source "drivers/net/ethernet/i825xx/Kconfig"
+ source "drivers/net/ethernet/ibm/Kconfig"
+ source "drivers/net/ethernet/intel/Kconfig"
+-source "drivers/net/ethernet/microsoft/Kconfig"
+ source "drivers/net/ethernet/xscale/Kconfig"
+
+ config JME
+@@ -125,8 +123,9 @@ source "drivers/net/ethernet/mediatek/Kconfig"
+ source "drivers/net/ethernet/mellanox/Kconfig"
+ source "drivers/net/ethernet/micrel/Kconfig"
+ source "drivers/net/ethernet/microchip/Kconfig"
+-source "drivers/net/ethernet/moxa/Kconfig"
+ source "drivers/net/ethernet/mscc/Kconfig"
++source "drivers/net/ethernet/microsoft/Kconfig"
++source "drivers/net/ethernet/moxa/Kconfig"
+ source "drivers/net/ethernet/myricom/Kconfig"
+
+ config FEALNX
+@@ -138,10 +137,10 @@ config FEALNX
+ Say Y here to support the Myson MTD-800 family of PCI-based Ethernet
+ cards. <http://www.myson.com.tw/>
+
++source "drivers/net/ethernet/ni/Kconfig"
+ source "drivers/net/ethernet/natsemi/Kconfig"
+ source "drivers/net/ethernet/neterion/Kconfig"
+ source "drivers/net/ethernet/netronome/Kconfig"
+-source "drivers/net/ethernet/ni/Kconfig"
+ source "drivers/net/ethernet/8390/Kconfig"
+ source "drivers/net/ethernet/nvidia/Kconfig"
+ source "drivers/net/ethernet/nxp/Kconfig"
+@@ -161,6 +160,7 @@ source "drivers/net/ethernet/packetengines/Kconfig"
+ source "drivers/net/ethernet/pasemi/Kconfig"
+ source "drivers/net/ethernet/pensando/Kconfig"
+ source "drivers/net/ethernet/qlogic/Kconfig"
++source "drivers/net/ethernet/brocade/Kconfig"
+ source "drivers/net/ethernet/qualcomm/Kconfig"
+ source "drivers/net/ethernet/rdc/Kconfig"
+ source "drivers/net/ethernet/realtek/Kconfig"
+@@ -168,10 +168,10 @@ source "drivers/net/ethernet/renesas/Kconfig"
+ source "drivers/net/ethernet/rocker/Kconfig"
+ source "drivers/net/ethernet/samsung/Kconfig"
+ source "drivers/net/ethernet/seeq/Kconfig"
+-source "drivers/net/ethernet/sfc/Kconfig"
+ source "drivers/net/ethernet/sgi/Kconfig"
+ source "drivers/net/ethernet/silan/Kconfig"
+ source "drivers/net/ethernet/sis/Kconfig"
++source "drivers/net/ethernet/sfc/Kconfig"
+ source "drivers/net/ethernet/smsc/Kconfig"
+ source "drivers/net/ethernet/socionext/Kconfig"
+ source "drivers/net/ethernet/stmicro/Kconfig"
+diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+index 9de0065f89b90..fbb1e05d58783 100644
+--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
++++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+@@ -480,8 +480,8 @@ int aq_nic_start(struct aq_nic_s *self)
+ if (err < 0)
+ goto err_exit;
+
+- for (i = 0U, aq_vec = self->aq_vec[0];
+- self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
++ for (i = 0U; self->aq_vecs > i; ++i) {
++ aq_vec = self->aq_vec[i];
+ err = aq_vec_start(aq_vec);
+ if (err < 0)
+ goto err_exit;
+@@ -511,8 +511,8 @@ int aq_nic_start(struct aq_nic_s *self)
+ mod_timer(&self->polling_timer, jiffies +
+ AQ_CFG_POLLING_TIMER_INTERVAL);
+ } else {
+- for (i = 0U, aq_vec = self->aq_vec[0];
+- self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
++ for (i = 0U; self->aq_vecs > i; ++i) {
++ aq_vec = self->aq_vec[i];
+ err = aq_pci_func_alloc_irq(self, i, self->ndev->name,
+ aq_vec_isr, aq_vec,
+ aq_vec_get_affinity_mask(aq_vec));
+diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
+index 797a95142d1f4..3a529ee8c8340 100644
+--- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
++++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
+@@ -444,22 +444,22 @@ err_exit:
+
+ static int aq_pm_freeze(struct device *dev)
+ {
+- return aq_suspend_common(dev, false);
++ return aq_suspend_common(dev, true);
+ }
+
+ static int aq_pm_suspend_poweroff(struct device *dev)
+ {
+- return aq_suspend_common(dev, true);
++ return aq_suspend_common(dev, false);
+ }
+
+ static int aq_pm_thaw(struct device *dev)
+ {
+- return atl_resume_common(dev, false);
++ return atl_resume_common(dev, true);
+ }
+
+ static int aq_pm_resume_restore(struct device *dev)
+ {
+- return atl_resume_common(dev, true);
++ return atl_resume_common(dev, false);
+ }
+
+ static const struct dev_pm_ops aq_pm_ops = {
+diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_vec.c b/drivers/net/ethernet/aquantia/atlantic/aq_vec.c
+index f4774cf051c97..6ab1f3212d246 100644
+--- a/drivers/net/ethernet/aquantia/atlantic/aq_vec.c
++++ b/drivers/net/ethernet/aquantia/atlantic/aq_vec.c
+@@ -43,8 +43,8 @@ static int aq_vec_poll(struct napi_struct *napi, int budget)
+ if (!self) {
+ err = -EINVAL;
+ } else {
+- for (i = 0U, ring = self->ring[0];
+- self->tx_rings > i; ++i, ring = self->ring[i]) {
++ for (i = 0U; self->tx_rings > i; ++i) {
++ ring = self->ring[i];
+ u64_stats_update_begin(&ring[AQ_VEC_RX_ID].stats.rx.syncp);
+ ring[AQ_VEC_RX_ID].stats.rx.polls++;
+ u64_stats_update_end(&ring[AQ_VEC_RX_ID].stats.rx.syncp);
+@@ -182,8 +182,8 @@ int aq_vec_init(struct aq_vec_s *self, const struct aq_hw_ops *aq_hw_ops,
+ self->aq_hw_ops = aq_hw_ops;
+ self->aq_hw = aq_hw;
+
+- for (i = 0U, ring = self->ring[0];
+- self->tx_rings > i; ++i, ring = self->ring[i]) {
++ for (i = 0U; self->tx_rings > i; ++i) {
++ ring = self->ring[i];
+ err = aq_ring_init(&ring[AQ_VEC_TX_ID], ATL_RING_TX);
+ if (err < 0)
+ goto err_exit;
+@@ -224,8 +224,8 @@ int aq_vec_start(struct aq_vec_s *self)
+ unsigned int i = 0U;
+ int err = 0;
+
+- for (i = 0U, ring = self->ring[0];
+- self->tx_rings > i; ++i, ring = self->ring[i]) {
++ for (i = 0U; self->tx_rings > i; ++i) {
++ ring = self->ring[i];
+ err = self->aq_hw_ops->hw_ring_tx_start(self->aq_hw,
+ &ring[AQ_VEC_TX_ID]);
+ if (err < 0)
+@@ -248,8 +248,8 @@ void aq_vec_stop(struct aq_vec_s *self)
+ struct aq_ring_s *ring = NULL;
+ unsigned int i = 0U;
+
+- for (i = 0U, ring = self->ring[0];
+- self->tx_rings > i; ++i, ring = self->ring[i]) {
++ for (i = 0U; self->tx_rings > i; ++i) {
++ ring = self->ring[i];
+ self->aq_hw_ops->hw_ring_tx_stop(self->aq_hw,
+ &ring[AQ_VEC_TX_ID]);
+
+@@ -268,8 +268,8 @@ void aq_vec_deinit(struct aq_vec_s *self)
+ if (!self)
+ goto err_exit;
+
+- for (i = 0U, ring = self->ring[0];
+- self->tx_rings > i; ++i, ring = self->ring[i]) {
++ for (i = 0U; self->tx_rings > i; ++i) {
++ ring = self->ring[i];
+ aq_ring_tx_clean(&ring[AQ_VEC_TX_ID]);
+ aq_ring_rx_deinit(&ring[AQ_VEC_RX_ID]);
+ }
+@@ -297,8 +297,8 @@ void aq_vec_ring_free(struct aq_vec_s *self)
+ if (!self)
+ goto err_exit;
+
+- for (i = 0U, ring = self->ring[0];
+- self->tx_rings > i; ++i, ring = self->ring[i]) {
++ for (i = 0U; self->tx_rings > i; ++i) {
++ ring = self->ring[i];
+ aq_ring_free(&ring[AQ_VEC_TX_ID]);
+ if (i < self->rx_rings)
+ aq_ring_free(&ring[AQ_VEC_RX_ID]);
+diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
+index 9705c49655ad3..217c1a0f8940b 100644
+--- a/drivers/net/ethernet/cadence/macb_main.c
++++ b/drivers/net/ethernet/cadence/macb_main.c
+@@ -1689,6 +1689,7 @@ static void macb_tx_restart(struct macb_queue *queue)
+ unsigned int head = queue->tx_head;
+ unsigned int tail = queue->tx_tail;
+ struct macb *bp = queue->bp;
++ unsigned int head_idx, tbqp;
+
+ if (bp->caps & MACB_CAPS_ISR_CLEAR_ON_WRITE)
+ queue_writel(queue, ISR, MACB_BIT(TXUBR));
+@@ -1696,6 +1697,13 @@ static void macb_tx_restart(struct macb_queue *queue)
+ if (head == tail)
+ return;
+
++ tbqp = queue_readl(queue, TBQP) / macb_dma_desc_get_size(bp);
++ tbqp = macb_adj_dma_desc_idx(bp, macb_tx_ring_wrap(bp, tbqp));
++ head_idx = macb_adj_dma_desc_idx(bp, macb_tx_ring_wrap(bp, head));
++
++ if (tbqp == head_idx)
++ return;
++
+ macb_writel(bp, NCR, macb_readl(bp, NCR) | MACB_BIT(TSTART));
+ }
+
+diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
+index 763d2c7b5fb1a..5750f9a56393a 100644
+--- a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
++++ b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
+@@ -489,11 +489,15 @@ static int dpaa_get_ts_info(struct net_device *net_dev,
+ info->phc_index = -1;
+
+ fman_node = of_get_parent(mac_node);
+- if (fman_node)
++ if (fman_node) {
+ ptp_node = of_parse_phandle(fman_node, "ptimer-handle", 0);
++ of_node_put(fman_node);
++ }
+
+- if (ptp_node)
++ if (ptp_node) {
+ ptp_dev = of_find_device_by_node(ptp_node);
++ of_node_put(ptp_node);
++ }
+
+ if (ptp_dev)
+ ptp = platform_get_drvdata(ptp_dev);
+diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
+index d60e2016d03c6..e6c8e6d5234f8 100644
+--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
++++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
+@@ -1009,8 +1009,8 @@ static s32 e1000_platform_pm_pch_lpt(struct e1000_hw *hw, bool link)
+ {
+ u32 reg = link << (E1000_LTRV_REQ_SHIFT + E1000_LTRV_NOSNOOP_SHIFT) |
+ link << E1000_LTRV_REQ_SHIFT | E1000_LTRV_SEND;
+- u16 max_ltr_enc_d = 0; /* maximum LTR decoded by platform */
+- u16 lat_enc_d = 0; /* latency decoded */
++ u32 max_ltr_enc_d = 0; /* maximum LTR decoded by platform */
++ u32 lat_enc_d = 0; /* latency decoded */
+ u16 lat_enc = 0; /* latency encoded */
+
+ if (link) {
+diff --git a/drivers/net/ethernet/intel/igc/igc_i225.c b/drivers/net/ethernet/intel/igc/igc_i225.c
+index b6807e16eea93..a0e2a404d5355 100644
+--- a/drivers/net/ethernet/intel/igc/igc_i225.c
++++ b/drivers/net/ethernet/intel/igc/igc_i225.c
+@@ -156,8 +156,15 @@ void igc_release_swfw_sync_i225(struct igc_hw *hw, u16 mask)
+ {
+ u32 swfw_sync;
+
+- while (igc_get_hw_semaphore_i225(hw))
+- ; /* Empty */
++ /* Releasing the resource requires first getting the HW semaphore.
++ * If we fail to get the semaphore, there is nothing we can do,
++ * except log an error and quit. We are not allowed to hang here
++ * indefinitely, as it may cause denial of service or system crash.
++ */
++ if (igc_get_hw_semaphore_i225(hw)) {
++ hw_dbg("Failed to release SW_FW_SYNC.\n");
++ return;
++ }
+
+ swfw_sync = rd32(IGC_SW_FW_SYNC);
+ swfw_sync &= ~mask;
+diff --git a/drivers/net/ethernet/intel/igc/igc_phy.c b/drivers/net/ethernet/intel/igc/igc_phy.c
+index 40dbf4b432345..6961f65d36b9a 100644
+--- a/drivers/net/ethernet/intel/igc/igc_phy.c
++++ b/drivers/net/ethernet/intel/igc/igc_phy.c
+@@ -581,7 +581,7 @@ static s32 igc_read_phy_reg_mdic(struct igc_hw *hw, u32 offset, u16 *data)
+ * the lower time out
+ */
+ for (i = 0; i < IGC_GEN_POLL_TIMEOUT; i++) {
+- usleep_range(500, 1000);
++ udelay(50);
+ mdic = rd32(IGC_MDIC);
+ if (mdic & IGC_MDIC_READY)
+ break;
+@@ -638,7 +638,7 @@ static s32 igc_write_phy_reg_mdic(struct igc_hw *hw, u32 offset, u16 data)
+ * the lower time out
+ */
+ for (i = 0; i < IGC_GEN_POLL_TIMEOUT; i++) {
+- usleep_range(500, 1000);
++ udelay(50);
+ mdic = rd32(IGC_MDIC);
+ if (mdic & IGC_MDIC_READY)
+ break;
+diff --git a/drivers/net/ethernet/intel/igc/igc_ptp.c b/drivers/net/ethernet/intel/igc/igc_ptp.c
+index 4f9245aa79a18..8e521f99b80ae 100644
+--- a/drivers/net/ethernet/intel/igc/igc_ptp.c
++++ b/drivers/net/ethernet/intel/igc/igc_ptp.c
+@@ -996,6 +996,17 @@ static void igc_ptp_time_restore(struct igc_adapter *adapter)
+ igc_ptp_write_i225(adapter, &ts);
+ }
+
++static void igc_ptm_stop(struct igc_adapter *adapter)
++{
++ struct igc_hw *hw = &adapter->hw;
++ u32 ctrl;
++
++ ctrl = rd32(IGC_PTM_CTRL);
++ ctrl &= ~IGC_PTM_CTRL_EN;
++
++ wr32(IGC_PTM_CTRL, ctrl);
++}
++
+ /**
+ * igc_ptp_suspend - Disable PTP work items and prepare for suspend
+ * @adapter: Board private structure
+@@ -1013,8 +1024,10 @@ void igc_ptp_suspend(struct igc_adapter *adapter)
+ adapter->ptp_tx_skb = NULL;
+ clear_bit_unlock(__IGC_PTP_TX_IN_PROGRESS, &adapter->state);
+
+- if (pci_device_is_present(adapter->pdev))
++ if (pci_device_is_present(adapter->pdev)) {
+ igc_ptp_time_save(adapter);
++ igc_ptm_stop(adapter);
++ }
+ }
+
+ /**
+diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
+index 6aad0953e8fe5..a59300d9e0000 100644
+--- a/drivers/net/ethernet/mscc/ocelot.c
++++ b/drivers/net/ethernet/mscc/ocelot.c
+@@ -1932,6 +1932,8 @@ static void ocelot_port_set_mcast_flood(struct ocelot *ocelot, int port,
+ val = BIT(port);
+
+ ocelot_rmw_rix(ocelot, val, BIT(port), ANA_PGID_PGID, PGID_MC);
++ ocelot_rmw_rix(ocelot, val, BIT(port), ANA_PGID_PGID, PGID_MCIPV4);
++ ocelot_rmw_rix(ocelot, val, BIT(port), ANA_PGID_PGID, PGID_MCIPV6);
+ }
+
+ static void ocelot_port_set_bcast_flood(struct ocelot *ocelot, int port,
+diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
+index a7ec9f4d46ced..d68ef72dcdde0 100644
+--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
++++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
+@@ -71,9 +71,9 @@ static int init_systime(void __iomem *ioaddr, u32 sec, u32 nsec)
+ writel(value, ioaddr + PTP_TCR);
+
+ /* wait for present system time initialize to complete */
+- return readl_poll_timeout(ioaddr + PTP_TCR, value,
++ return readl_poll_timeout_atomic(ioaddr + PTP_TCR, value,
+ !(value & PTP_TCR_TSINIT),
+- 10000, 100000);
++ 10, 100000);
+ }
+
+ static int config_addend(void __iomem *ioaddr, u32 addend)
+diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
+index 141635a35c28a..129e270e9a7cd 100644
+--- a/drivers/net/vxlan.c
++++ b/drivers/net/vxlan.c
+@@ -711,11 +711,11 @@ static int vxlan_fdb_append(struct vxlan_fdb *f,
+
+ rd = kmalloc(sizeof(*rd), GFP_ATOMIC);
+ if (rd == NULL)
+- return -ENOBUFS;
++ return -ENOMEM;
+
+ if (dst_cache_init(&rd->dst_cache, GFP_ATOMIC)) {
+ kfree(rd);
+- return -ENOBUFS;
++ return -ENOMEM;
+ }
+
+ rd->remote_ip = *ip;
+diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+index 5d156e591b35c..f7961b22e0518 100644
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+@@ -557,7 +557,7 @@ enum brcmf_sdio_frmtype {
+ BRCMF_SDIO_FT_SUB,
+ };
+
+-#define SDIOD_DRVSTR_KEY(chip, pmu) (((chip) << 16) | (pmu))
++#define SDIOD_DRVSTR_KEY(chip, pmu) (((unsigned int)(chip) << 16) | (pmu))
+
+ /* SDIO Pad drive strength to select value mappings */
+ struct sdiod_drive_str {
+diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c
+index adf288e50e212..5cd0379d86de8 100644
+--- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c
++++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c
+@@ -80,7 +80,7 @@ mt76x2e_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+ mt76_rmw_field(dev, 0x15a10, 0x1f << 16, 0x9);
+
+ /* RG_SSUSB_G1_CDR_BIC_LTR = 0xf */
+- mt76_rmw_field(dev, 0x15a0c, 0xf << 28, 0xf);
++ mt76_rmw_field(dev, 0x15a0c, 0xfU << 28, 0xf);
+
+ /* RG_SSUSB_CDR_BR_PE1D = 0x3 */
+ mt76_rmw_field(dev, 0x15c58, 0x3 << 6, 0x3);
+diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
+index 4c35e9acf8eed..f2bb576157625 100644
+--- a/drivers/nvme/host/core.c
++++ b/drivers/nvme/host/core.c
+@@ -1354,6 +1354,8 @@ static int nvme_process_ns_desc(struct nvme_ctrl *ctrl, struct nvme_ns_ids *ids,
+ warn_str, cur->nidl);
+ return -1;
+ }
++ if (ctrl->quirks & NVME_QUIRK_BOGUS_NID)
++ return NVME_NIDT_EUI64_LEN;
+ memcpy(ids->eui64, data + sizeof(*cur), NVME_NIDT_EUI64_LEN);
+ return NVME_NIDT_EUI64_LEN;
+ case NVME_NIDT_NGUID:
+@@ -1362,6 +1364,8 @@ static int nvme_process_ns_desc(struct nvme_ctrl *ctrl, struct nvme_ns_ids *ids,
+ warn_str, cur->nidl);
+ return -1;
+ }
++ if (ctrl->quirks & NVME_QUIRK_BOGUS_NID)
++ return NVME_NIDT_NGUID_LEN;
+ memcpy(ids->nguid, data + sizeof(*cur), NVME_NIDT_NGUID_LEN);
+ return NVME_NIDT_NGUID_LEN;
+ case NVME_NIDT_UUID:
+@@ -1370,6 +1374,8 @@ static int nvme_process_ns_desc(struct nvme_ctrl *ctrl, struct nvme_ns_ids *ids,
+ warn_str, cur->nidl);
+ return -1;
+ }
++ if (ctrl->quirks & NVME_QUIRK_BOGUS_NID)
++ return NVME_NIDT_UUID_LEN;
+ uuid_copy(&ids->uuid, data + sizeof(*cur));
+ return NVME_NIDT_UUID_LEN;
+ case NVME_NIDT_CSI:
+@@ -1466,12 +1472,18 @@ static int nvme_identify_ns(struct nvme_ctrl *ctrl, unsigned nsid,
+ if ((*id)->ncap == 0) /* namespace not allocated or attached */
+ goto out_free_id;
+
+- if (ctrl->vs >= NVME_VS(1, 1, 0) &&
+- !memchr_inv(ids->eui64, 0, sizeof(ids->eui64)))
+- memcpy(ids->eui64, (*id)->eui64, sizeof(ids->eui64));
+- if (ctrl->vs >= NVME_VS(1, 2, 0) &&
+- !memchr_inv(ids->nguid, 0, sizeof(ids->nguid)))
+- memcpy(ids->nguid, (*id)->nguid, sizeof(ids->nguid));
++
++ if (ctrl->quirks & NVME_QUIRK_BOGUS_NID) {
++ dev_info(ctrl->device,
++ "Ignoring bogus Namespace Identifiers\n");
++ } else {
++ if (ctrl->vs >= NVME_VS(1, 1, 0) &&
++ !memchr_inv(ids->eui64, 0, sizeof(ids->eui64)))
++ memcpy(ids->eui64, (*id)->eui64, sizeof(ids->eui64));
++ if (ctrl->vs >= NVME_VS(1, 2, 0) &&
++ !memchr_inv(ids->nguid, 0, sizeof(ids->nguid)))
++ memcpy(ids->nguid, (*id)->nguid, sizeof(ids->nguid));
++ }
+
+ return 0;
+
+diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
+index 0628e2d802e73..f1e5c7564cae6 100644
+--- a/drivers/nvme/host/nvme.h
++++ b/drivers/nvme/host/nvme.h
+@@ -144,6 +144,11 @@ enum nvme_quirks {
+ * encoding the generation sequence number.
+ */
+ NVME_QUIRK_SKIP_CID_GEN = (1 << 17),
++
++ /*
++ * Reports garbage in the namespace identifiers (eui64, nguid, uuid).
++ */
++ NVME_QUIRK_BOGUS_NID = (1 << 18),
+ };
+
+ /*
+diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
+index b925a5f4afc3a..d7695bdbde8d3 100644
+--- a/drivers/nvme/host/pci.c
++++ b/drivers/nvme/host/pci.c
+@@ -3314,7 +3314,10 @@ static const struct pci_device_id nvme_id_table[] = {
+ .driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN, },
+ { PCI_VDEVICE(INTEL, 0x5845), /* Qemu emulated controller */
+ .driver_data = NVME_QUIRK_IDENTIFY_CNS |
+- NVME_QUIRK_DISABLE_WRITE_ZEROES, },
++ NVME_QUIRK_DISABLE_WRITE_ZEROES |
++ NVME_QUIRK_BOGUS_NID, },
++ { PCI_VDEVICE(REDHAT, 0x0010), /* Qemu emulated controller */
++ .driver_data = NVME_QUIRK_BOGUS_NID, },
+ { PCI_DEVICE(0x126f, 0x2263), /* Silicon Motion unidentified */
+ .driver_data = NVME_QUIRK_NO_NS_DESC_LIST, },
+ { PCI_DEVICE(0x1bb1, 0x0100), /* Seagate Nytro Flash Storage */
+@@ -3352,6 +3355,10 @@ static const struct pci_device_id nvme_id_table[] = {
+ .driver_data = NVME_QUIRK_NO_DEEPEST_PS, },
+ { PCI_DEVICE(0x2646, 0x2263), /* KINGSTON A2000 NVMe SSD */
+ .driver_data = NVME_QUIRK_NO_DEEPEST_PS, },
++ { PCI_DEVICE(0x1e4B, 0x1002), /* MAXIO MAP1002 */
++ .driver_data = NVME_QUIRK_BOGUS_NID, },
++ { PCI_DEVICE(0x1e4B, 0x1202), /* MAXIO MAP1202 */
++ .driver_data = NVME_QUIRK_BOGUS_NID, },
+ { PCI_DEVICE(PCI_VENDOR_ID_AMAZON, 0x0061),
+ .driver_data = NVME_QUIRK_DMA_ADDRESS_BITS_48, },
+ { PCI_DEVICE(PCI_VENDOR_ID_AMAZON, 0x0065),
+diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
+index 295cc7952d0ed..57d20cf3da7a3 100644
+--- a/drivers/perf/arm_pmu.c
++++ b/drivers/perf/arm_pmu.c
+@@ -398,6 +398,9 @@ validate_group(struct perf_event *event)
+ if (!validate_event(event->pmu, &fake_pmu, leader))
+ return -EINVAL;
+
++ if (event == leader)
++ return 0;
++
+ for_each_sibling_event(sibling, leader) {
+ if (!validate_event(event->pmu, &fake_pmu, sibling))
+ return -EINVAL;
+@@ -487,12 +490,7 @@ __hw_perf_event_init(struct perf_event *event)
+ local64_set(&hwc->period_left, hwc->sample_period);
+ }
+
+- if (event->group_leader != event) {
+- if (validate_group(event) != 0)
+- return -EINVAL;
+- }
+-
+- return 0;
++ return validate_group(event);
+ }
+
+ static int armpmu_event_init(struct perf_event *event)
+diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
+index 7ee010aa740aa..404bdb4cbfae4 100644
+--- a/drivers/platform/x86/samsung-laptop.c
++++ b/drivers/platform/x86/samsung-laptop.c
+@@ -1121,8 +1121,6 @@ static void kbd_led_set(struct led_classdev *led_cdev,
+
+ if (value > samsung->kbd_led.max_brightness)
+ value = samsung->kbd_led.max_brightness;
+- else if (value < 0)
+- value = 0;
+
+ samsung->kbd_led_wk = value;
+ queue_work(samsung->led_workqueue, &samsung->kbd_led_work);
+diff --git a/drivers/reset/reset-rzg2l-usbphy-ctrl.c b/drivers/reset/reset-rzg2l-usbphy-ctrl.c
+index 1e83150388506..a8dde46063602 100644
+--- a/drivers/reset/reset-rzg2l-usbphy-ctrl.c
++++ b/drivers/reset/reset-rzg2l-usbphy-ctrl.c
+@@ -121,7 +121,9 @@ static int rzg2l_usbphy_ctrl_probe(struct platform_device *pdev)
+ return dev_err_probe(dev, PTR_ERR(priv->rstc),
+ "failed to get reset\n");
+
+- reset_control_deassert(priv->rstc);
++ error = reset_control_deassert(priv->rstc);
++ if (error)
++ return error;
+
+ priv->rcdev.ops = &rzg2l_usbphy_ctrl_reset_ops;
+ priv->rcdev.of_reset_n_cells = 1;
+diff --git a/drivers/reset/tegra/reset-bpmp.c b/drivers/reset/tegra/reset-bpmp.c
+index 24d3395964cc4..4c5bba52b1059 100644
+--- a/drivers/reset/tegra/reset-bpmp.c
++++ b/drivers/reset/tegra/reset-bpmp.c
+@@ -20,6 +20,7 @@ static int tegra_bpmp_reset_common(struct reset_controller_dev *rstc,
+ struct tegra_bpmp *bpmp = to_tegra_bpmp(rstc);
+ struct mrq_reset_request request;
+ struct tegra_bpmp_message msg;
++ int err;
+
+ memset(&request, 0, sizeof(request));
+ request.cmd = command;
+@@ -30,7 +31,13 @@ static int tegra_bpmp_reset_common(struct reset_controller_dev *rstc,
+ msg.tx.data = &request;
+ msg.tx.size = sizeof(request);
+
+- return tegra_bpmp_transfer(bpmp, &msg);
++ err = tegra_bpmp_transfer(bpmp, &msg);
++ if (err)
++ return err;
++ if (msg.rx.ret)
++ return -EINVAL;
++
++ return 0;
+ }
+
+ static int tegra_bpmp_reset_module(struct reset_controller_dev *rstc,
+diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c
+index 5521469ce678b..e16327a4b4c96 100644
+--- a/drivers/scsi/bnx2i/bnx2i_hwi.c
++++ b/drivers/scsi/bnx2i/bnx2i_hwi.c
+@@ -1977,7 +1977,7 @@ static int bnx2i_process_new_cqes(struct bnx2i_conn *bnx2i_conn)
+ if (nopin->cq_req_sn != qp->cqe_exp_seq_sn)
+ break;
+
+- if (unlikely(test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx))) {
++ if (unlikely(test_bit(ISCSI_CONN_FLAG_SUSPEND_RX, &conn->flags))) {
+ if (nopin->op_code == ISCSI_OP_NOOP_IN &&
+ nopin->itt == (u16) RESERVED_ITT) {
+ printk(KERN_ALERT "bnx2i: Unsolicited "
+diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c
+index 1b5f3e143f071..2e5241d12dc3a 100644
+--- a/drivers/scsi/bnx2i/bnx2i_iscsi.c
++++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c
+@@ -1721,7 +1721,7 @@ static int bnx2i_tear_down_conn(struct bnx2i_hba *hba,
+ struct iscsi_conn *conn = ep->conn->cls_conn->dd_data;
+
+ /* Must suspend all rx queue activity for this ep */
+- set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx);
++ set_bit(ISCSI_CONN_FLAG_SUSPEND_RX, &conn->flags);
+ }
+ /* CONN_DISCONNECT timeout may or may not be an issue depending
+ * on what transcribed in TCP layer, different targets behave
+diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c
+index 8c7d4dda4cf29..4365d52c6430e 100644
+--- a/drivers/scsi/cxgbi/libcxgbi.c
++++ b/drivers/scsi/cxgbi/libcxgbi.c
+@@ -1634,11 +1634,11 @@ void cxgbi_conn_pdu_ready(struct cxgbi_sock *csk)
+ log_debug(1 << CXGBI_DBG_PDU_RX,
+ "csk 0x%p, conn 0x%p.\n", csk, conn);
+
+- if (unlikely(!conn || conn->suspend_rx)) {
++ if (unlikely(!conn || test_bit(ISCSI_CONN_FLAG_SUSPEND_RX, &conn->flags))) {
+ log_debug(1 << CXGBI_DBG_PDU_RX,
+- "csk 0x%p, conn 0x%p, id %d, suspend_rx %lu!\n",
++ "csk 0x%p, conn 0x%p, id %d, conn flags 0x%lx!\n",
+ csk, conn, conn ? conn->id : 0xFF,
+- conn ? conn->suspend_rx : 0xFF);
++ conn ? conn->flags : 0xFF);
+ return;
+ }
+
+diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
+index cbc263ec9d661..0f2c7098f9d6e 100644
+--- a/drivers/scsi/libiscsi.c
++++ b/drivers/scsi/libiscsi.c
+@@ -678,7 +678,8 @@ __iscsi_conn_send_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
+ struct iscsi_task *task;
+ itt_t itt;
+
+- if (session->state == ISCSI_STATE_TERMINATE)
++ if (session->state == ISCSI_STATE_TERMINATE ||
++ !test_bit(ISCSI_CONN_FLAG_BOUND, &conn->flags))
+ return NULL;
+
+ if (opcode == ISCSI_OP_LOGIN || opcode == ISCSI_OP_TEXT) {
+@@ -1392,8 +1393,8 @@ static bool iscsi_set_conn_failed(struct iscsi_conn *conn)
+ if (conn->stop_stage == 0)
+ session->state = ISCSI_STATE_FAILED;
+
+- set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
+- set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx);
++ set_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags);
++ set_bit(ISCSI_CONN_FLAG_SUSPEND_RX, &conn->flags);
+ return true;
+ }
+
+@@ -1454,7 +1455,7 @@ static int iscsi_xmit_task(struct iscsi_conn *conn, struct iscsi_task *task,
+ * Do this after dropping the extra ref because if this was a requeue
+ * it's removed from that list and cleanup_queued_task would miss it.
+ */
+- if (test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx)) {
++ if (test_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags)) {
+ /*
+ * Save the task and ref in case we weren't cleaning up this
+ * task and get woken up again.
+@@ -1532,7 +1533,7 @@ static int iscsi_data_xmit(struct iscsi_conn *conn)
+ int rc = 0;
+
+ spin_lock_bh(&conn->session->frwd_lock);
+- if (test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx)) {
++ if (test_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags)) {
+ ISCSI_DBG_SESSION(conn->session, "Tx suspended!\n");
+ spin_unlock_bh(&conn->session->frwd_lock);
+ return -ENODATA;
+@@ -1746,7 +1747,7 @@ int iscsi_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc)
+ goto fault;
+ }
+
+- if (test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx)) {
++ if (test_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags)) {
+ reason = FAILURE_SESSION_IN_RECOVERY;
+ sc->result = DID_REQUEUE << 16;
+ goto fault;
+@@ -1935,7 +1936,7 @@ static void fail_scsi_tasks(struct iscsi_conn *conn, u64 lun, int error)
+ void iscsi_suspend_queue(struct iscsi_conn *conn)
+ {
+ spin_lock_bh(&conn->session->frwd_lock);
+- set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
++ set_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags);
+ spin_unlock_bh(&conn->session->frwd_lock);
+ }
+ EXPORT_SYMBOL_GPL(iscsi_suspend_queue);
+@@ -1953,7 +1954,7 @@ void iscsi_suspend_tx(struct iscsi_conn *conn)
+ struct Scsi_Host *shost = conn->session->host;
+ struct iscsi_host *ihost = shost_priv(shost);
+
+- set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
++ set_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags);
+ if (ihost->workq)
+ flush_workqueue(ihost->workq);
+ }
+@@ -1961,7 +1962,7 @@ EXPORT_SYMBOL_GPL(iscsi_suspend_tx);
+
+ static void iscsi_start_tx(struct iscsi_conn *conn)
+ {
+- clear_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
++ clear_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags);
+ iscsi_conn_queue_work(conn);
+ }
+
+@@ -2214,6 +2215,8 @@ void iscsi_conn_unbind(struct iscsi_cls_conn *cls_conn, bool is_active)
+ iscsi_suspend_tx(conn);
+
+ spin_lock_bh(&session->frwd_lock);
++ clear_bit(ISCSI_CONN_FLAG_BOUND, &conn->flags);
++
+ if (!is_active) {
+ /*
+ * if logout timed out before userspace could even send a PDU
+@@ -3312,6 +3315,8 @@ int iscsi_conn_bind(struct iscsi_cls_session *cls_session,
+ spin_lock_bh(&session->frwd_lock);
+ if (is_leading)
+ session->leadconn = conn;
++
++ set_bit(ISCSI_CONN_FLAG_BOUND, &conn->flags);
+ spin_unlock_bh(&session->frwd_lock);
+
+ /*
+@@ -3324,8 +3329,8 @@ int iscsi_conn_bind(struct iscsi_cls_session *cls_session,
+ /*
+ * Unblock xmitworker(), Login Phase will pass through.
+ */
+- clear_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx);
+- clear_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
++ clear_bit(ISCSI_CONN_FLAG_SUSPEND_RX, &conn->flags);
++ clear_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags);
+ return 0;
+ }
+ EXPORT_SYMBOL_GPL(iscsi_conn_bind);
+diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c
+index 2e9ffe3d1a55e..883005757ddb8 100644
+--- a/drivers/scsi/libiscsi_tcp.c
++++ b/drivers/scsi/libiscsi_tcp.c
+@@ -927,7 +927,7 @@ int iscsi_tcp_recv_skb(struct iscsi_conn *conn, struct sk_buff *skb,
+ */
+ conn->last_recv = jiffies;
+
+- if (unlikely(conn->suspend_rx)) {
++ if (unlikely(test_bit(ISCSI_CONN_FLAG_SUSPEND_RX, &conn->flags))) {
+ ISCSI_DBG_TCP(conn, "Rx suspended!\n");
+ *status = ISCSI_TCP_SUSPENDED;
+ return 0;
+diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c
+index c5260429c637e..04b40a6c1afff 100644
+--- a/drivers/scsi/qedi/qedi_iscsi.c
++++ b/drivers/scsi/qedi/qedi_iscsi.c
+@@ -859,6 +859,37 @@ static int qedi_task_xmit(struct iscsi_task *task)
+ return qedi_iscsi_send_ioreq(task);
+ }
+
++static void qedi_offload_work(struct work_struct *work)
++{
++ struct qedi_endpoint *qedi_ep =
++ container_of(work, struct qedi_endpoint, offload_work);
++ struct qedi_ctx *qedi;
++ int wait_delay = 5 * HZ;
++ int ret;
++
++ qedi = qedi_ep->qedi;
++
++ ret = qedi_iscsi_offload_conn(qedi_ep);
++ if (ret) {
++ QEDI_ERR(&qedi->dbg_ctx,
++ "offload error: iscsi_cid=%u, qedi_ep=%p, ret=%d\n",
++ qedi_ep->iscsi_cid, qedi_ep, ret);
++ qedi_ep->state = EP_STATE_OFLDCONN_FAILED;
++ return;
++ }
++
++ ret = wait_event_interruptible_timeout(qedi_ep->tcp_ofld_wait,
++ (qedi_ep->state ==
++ EP_STATE_OFLDCONN_COMPL),
++ wait_delay);
++ if (ret <= 0 || qedi_ep->state != EP_STATE_OFLDCONN_COMPL) {
++ qedi_ep->state = EP_STATE_OFLDCONN_FAILED;
++ QEDI_ERR(&qedi->dbg_ctx,
++ "Offload conn TIMEOUT iscsi_cid=%u, qedi_ep=%p\n",
++ qedi_ep->iscsi_cid, qedi_ep);
++ }
++}
++
+ static struct iscsi_endpoint *
+ qedi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
+ int non_blocking)
+@@ -907,6 +938,7 @@ qedi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
+ }
+ qedi_ep = ep->dd_data;
+ memset(qedi_ep, 0, sizeof(struct qedi_endpoint));
++ INIT_WORK(&qedi_ep->offload_work, qedi_offload_work);
+ qedi_ep->state = EP_STATE_IDLE;
+ qedi_ep->iscsi_cid = (u32)-1;
+ qedi_ep->qedi = qedi;
+@@ -1055,12 +1087,11 @@ static void qedi_ep_disconnect(struct iscsi_endpoint *ep)
+ qedi_ep = ep->dd_data;
+ qedi = qedi_ep->qedi;
+
++ flush_work(&qedi_ep->offload_work);
++
+ if (qedi_ep->state == EP_STATE_OFLDCONN_START)
+ goto ep_exit_recover;
+
+- if (qedi_ep->state != EP_STATE_OFLDCONN_NONE)
+- flush_work(&qedi_ep->offload_work);
+-
+ if (qedi_ep->conn) {
+ qedi_conn = qedi_ep->conn;
+ abrt_conn = qedi_conn->abrt_conn;
+@@ -1234,37 +1265,6 @@ static int qedi_data_avail(struct qedi_ctx *qedi, u16 vlanid)
+ return rc;
+ }
+
+-static void qedi_offload_work(struct work_struct *work)
+-{
+- struct qedi_endpoint *qedi_ep =
+- container_of(work, struct qedi_endpoint, offload_work);
+- struct qedi_ctx *qedi;
+- int wait_delay = 5 * HZ;
+- int ret;
+-
+- qedi = qedi_ep->qedi;
+-
+- ret = qedi_iscsi_offload_conn(qedi_ep);
+- if (ret) {
+- QEDI_ERR(&qedi->dbg_ctx,
+- "offload error: iscsi_cid=%u, qedi_ep=%p, ret=%d\n",
+- qedi_ep->iscsi_cid, qedi_ep, ret);
+- qedi_ep->state = EP_STATE_OFLDCONN_FAILED;
+- return;
+- }
+-
+- ret = wait_event_interruptible_timeout(qedi_ep->tcp_ofld_wait,
+- (qedi_ep->state ==
+- EP_STATE_OFLDCONN_COMPL),
+- wait_delay);
+- if ((ret <= 0) || (qedi_ep->state != EP_STATE_OFLDCONN_COMPL)) {
+- qedi_ep->state = EP_STATE_OFLDCONN_FAILED;
+- QEDI_ERR(&qedi->dbg_ctx,
+- "Offload conn TIMEOUT iscsi_cid=%u, qedi_ep=%p\n",
+- qedi_ep->iscsi_cid, qedi_ep);
+- }
+-}
+-
+ static int qedi_set_path(struct Scsi_Host *shost, struct iscsi_path *path_data)
+ {
+ struct qedi_ctx *qedi;
+@@ -1380,7 +1380,6 @@ static int qedi_set_path(struct Scsi_Host *shost, struct iscsi_path *path_data)
+ qedi_ep->dst_addr, qedi_ep->dst_port);
+ }
+
+- INIT_WORK(&qedi_ep->offload_work, qedi_offload_work);
+ queue_work(qedi->offload_thread, &qedi_ep->offload_work);
+
+ ret = 0;
+diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
+index c7b1b2e8bb02f..bcdfcb25349ad 100644
+--- a/drivers/scsi/scsi_transport_iscsi.c
++++ b/drivers/scsi/scsi_transport_iscsi.c
+@@ -86,6 +86,9 @@ struct iscsi_internal {
+ struct transport_container session_cont;
+ };
+
++static DEFINE_IDR(iscsi_ep_idr);
++static DEFINE_MUTEX(iscsi_ep_idr_mutex);
++
+ static atomic_t iscsi_session_nr; /* sysfs session id for next new session */
+ static struct workqueue_struct *iscsi_eh_timer_workq;
+
+@@ -169,6 +172,11 @@ struct device_attribute dev_attr_##_prefix##_##_name = \
+ static void iscsi_endpoint_release(struct device *dev)
+ {
+ struct iscsi_endpoint *ep = iscsi_dev_to_endpoint(dev);
++
++ mutex_lock(&iscsi_ep_idr_mutex);
++ idr_remove(&iscsi_ep_idr, ep->id);
++ mutex_unlock(&iscsi_ep_idr_mutex);
++
+ kfree(ep);
+ }
+
+@@ -181,7 +189,7 @@ static ssize_t
+ show_ep_handle(struct device *dev, struct device_attribute *attr, char *buf)
+ {
+ struct iscsi_endpoint *ep = iscsi_dev_to_endpoint(dev);
+- return sysfs_emit(buf, "%llu\n", (unsigned long long) ep->id);
++ return sysfs_emit(buf, "%d\n", ep->id);
+ }
+ static ISCSI_ATTR(ep, handle, S_IRUGO, show_ep_handle, NULL);
+
+@@ -194,48 +202,32 @@ static struct attribute_group iscsi_endpoint_group = {
+ .attrs = iscsi_endpoint_attrs,
+ };
+
+-#define ISCSI_MAX_EPID -1
+-
+-static int iscsi_match_epid(struct device *dev, const void *data)
+-{
+- struct iscsi_endpoint *ep = iscsi_dev_to_endpoint(dev);
+- const uint64_t *epid = data;
+-
+- return *epid == ep->id;
+-}
+-
+ struct iscsi_endpoint *
+ iscsi_create_endpoint(int dd_size)
+ {
+- struct device *dev;
+ struct iscsi_endpoint *ep;
+- uint64_t id;
+- int err;
+-
+- for (id = 1; id < ISCSI_MAX_EPID; id++) {
+- dev = class_find_device(&iscsi_endpoint_class, NULL, &id,
+- iscsi_match_epid);
+- if (!dev)
+- break;
+- else
+- put_device(dev);
+- }
+- if (id == ISCSI_MAX_EPID) {
+- printk(KERN_ERR "Too many connections. Max supported %u\n",
+- ISCSI_MAX_EPID - 1);
+- return NULL;
+- }
++ int err, id;
+
+ ep = kzalloc(sizeof(*ep) + dd_size, GFP_KERNEL);
+ if (!ep)
+ return NULL;
+
++ mutex_lock(&iscsi_ep_idr_mutex);
++ id = idr_alloc(&iscsi_ep_idr, ep, 0, -1, GFP_NOIO);
++ if (id < 0) {
++ mutex_unlock(&iscsi_ep_idr_mutex);
++ printk(KERN_ERR "Could not allocate endpoint ID. Error %d.\n",
++ id);
++ goto free_ep;
++ }
++ mutex_unlock(&iscsi_ep_idr_mutex);
++
+ ep->id = id;
+ ep->dev.class = &iscsi_endpoint_class;
+- dev_set_name(&ep->dev, "ep-%llu", (unsigned long long) id);
++ dev_set_name(&ep->dev, "ep-%d", id);
+ err = device_register(&ep->dev);
+ if (err)
+- goto free_ep;
++ goto free_id;
+
+ err = sysfs_create_group(&ep->dev.kobj, &iscsi_endpoint_group);
+ if (err)
+@@ -249,6 +241,10 @@ unregister_dev:
+ device_unregister(&ep->dev);
+ return NULL;
+
++free_id:
++ mutex_lock(&iscsi_ep_idr_mutex);
++ idr_remove(&iscsi_ep_idr, id);
++ mutex_unlock(&iscsi_ep_idr_mutex);
+ free_ep:
+ kfree(ep);
+ return NULL;
+@@ -276,14 +272,17 @@ EXPORT_SYMBOL_GPL(iscsi_put_endpoint);
+ */
+ struct iscsi_endpoint *iscsi_lookup_endpoint(u64 handle)
+ {
+- struct device *dev;
++ struct iscsi_endpoint *ep;
+
+- dev = class_find_device(&iscsi_endpoint_class, NULL, &handle,
+- iscsi_match_epid);
+- if (!dev)
+- return NULL;
++ mutex_lock(&iscsi_ep_idr_mutex);
++ ep = idr_find(&iscsi_ep_idr, handle);
++ if (!ep)
++ goto unlock;
+
+- return iscsi_dev_to_endpoint(dev);
++ get_device(&ep->dev);
++unlock:
++ mutex_unlock(&iscsi_ep_idr_mutex);
++ return ep;
+ }
+ EXPORT_SYMBOL_GPL(iscsi_lookup_endpoint);
+
+diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c
+index ddd00efc48825..fbdb5124d7f7d 100644
+--- a/drivers/scsi/sr_ioctl.c
++++ b/drivers/scsi/sr_ioctl.c
+@@ -41,7 +41,7 @@ static int sr_read_tochdr(struct cdrom_device_info *cdi,
+ int result;
+ unsigned char *buffer;
+
+- buffer = kmalloc(32, GFP_KERNEL);
++ buffer = kzalloc(32, GFP_KERNEL);
+ if (!buffer)
+ return -ENOMEM;
+
+@@ -55,10 +55,13 @@ static int sr_read_tochdr(struct cdrom_device_info *cdi,
+ cgc.data_direction = DMA_FROM_DEVICE;
+
+ result = sr_do_ioctl(cd, &cgc);
++ if (result)
++ goto err;
+
+ tochdr->cdth_trk0 = buffer[2];
+ tochdr->cdth_trk1 = buffer[3];
+
++err:
+ kfree(buffer);
+ return result;
+ }
+@@ -71,7 +74,7 @@ static int sr_read_tocentry(struct cdrom_device_info *cdi,
+ int result;
+ unsigned char *buffer;
+
+- buffer = kmalloc(32, GFP_KERNEL);
++ buffer = kzalloc(32, GFP_KERNEL);
+ if (!buffer)
+ return -ENOMEM;
+
+@@ -86,6 +89,8 @@ static int sr_read_tocentry(struct cdrom_device_info *cdi,
+ cgc.data_direction = DMA_FROM_DEVICE;
+
+ result = sr_do_ioctl(cd, &cgc);
++ if (result)
++ goto err;
+
+ tocentry->cdte_ctrl = buffer[5] & 0xf;
+ tocentry->cdte_adr = buffer[5] >> 4;
+@@ -98,6 +103,7 @@ static int sr_read_tocentry(struct cdrom_device_info *cdi,
+ tocentry->cdte_addr.lba = (((((buffer[8] << 8) + buffer[9]) << 8)
+ + buffer[10]) << 8) + buffer[11];
+
++err:
+ kfree(buffer);
+ return result;
+ }
+@@ -384,7 +390,7 @@ int sr_get_mcn(struct cdrom_device_info *cdi, struct cdrom_mcn *mcn)
+ {
+ Scsi_CD *cd = cdi->handle;
+ struct packet_command cgc;
+- char *buffer = kmalloc(32, GFP_KERNEL);
++ char *buffer = kzalloc(32, GFP_KERNEL);
+ int result;
+
+ if (!buffer)
+@@ -400,10 +406,13 @@ int sr_get_mcn(struct cdrom_device_info *cdi, struct cdrom_mcn *mcn)
+ cgc.data_direction = DMA_FROM_DEVICE;
+ cgc.timeout = IOCTL_TIMEOUT;
+ result = sr_do_ioctl(cd, &cgc);
++ if (result)
++ goto err;
+
+ memcpy(mcn->medium_catalog_number, buffer + 9, 13);
+ mcn->medium_catalog_number[13] = 0;
+
++err:
+ kfree(buffer);
+ return result;
+ }
+diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
+index 0e4c04d3b0236..b55e0a07363f2 100644
+--- a/drivers/scsi/ufs/ufshcd.c
++++ b/drivers/scsi/ufs/ufshcd.c
+@@ -358,7 +358,7 @@ static void ufshcd_add_uic_command_trace(struct ufs_hba *hba,
+ static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag,
+ enum ufs_trace_str_t str_t)
+ {
+- u64 lba;
++ u64 lba = 0;
+ u8 opcode = 0, group_id = 0;
+ u32 intr, doorbell;
+ struct ufshcd_lrb *lrbp = &hba->lrb[tag];
+@@ -375,7 +375,6 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag,
+ return;
+
+ opcode = cmd->cmnd[0];
+- lba = scsi_get_lba(cmd);
+
+ if (opcode == READ_10 || opcode == WRITE_10) {
+ /*
+@@ -383,6 +382,7 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag,
+ */
+ transfer_len =
+ be32_to_cpu(lrbp->ucd_req_ptr->sc.exp_data_transfer_len);
++ lba = scsi_get_lba(cmd);
+ if (opcode == WRITE_10)
+ group_id = lrbp->cmd->cmnd[6];
+ } else if (opcode == UNMAP) {
+@@ -390,6 +390,7 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag,
+ * The number of Bytes to be unmapped beginning with the lba.
+ */
+ transfer_len = blk_rq_bytes(rq);
++ lba = scsi_get_lba(cmd);
+ }
+
+ intr = ufshcd_readl(hba, REG_INTERRUPT_STATUS);
+diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c
+index 92d9610df1fd8..938017a60c8ed 100644
+--- a/drivers/spi/atmel-quadspi.c
++++ b/drivers/spi/atmel-quadspi.c
+@@ -277,6 +277,9 @@ static int atmel_qspi_find_mode(const struct spi_mem_op *op)
+ static bool atmel_qspi_supports_op(struct spi_mem *mem,
+ const struct spi_mem_op *op)
+ {
++ if (!spi_mem_default_supports_op(mem, op))
++ return false;
++
+ if (atmel_qspi_find_mode(op) < 0)
+ return false;
+
+diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c
+index 1a6294a06e728..75680eecd2f7d 100644
+--- a/drivers/spi/spi-cadence-quadspi.c
++++ b/drivers/spi/spi-cadence-quadspi.c
+@@ -1226,9 +1226,24 @@ static bool cqspi_supports_mem_op(struct spi_mem *mem,
+ all_false = !op->cmd.dtr && !op->addr.dtr && !op->dummy.dtr &&
+ !op->data.dtr;
+
+- /* Mixed DTR modes not supported. */
+- if (!(all_true || all_false))
++ if (all_true) {
++ /* Right now we only support 8-8-8 DTR mode. */
++ if (op->cmd.nbytes && op->cmd.buswidth != 8)
++ return false;
++ if (op->addr.nbytes && op->addr.buswidth != 8)
++ return false;
++ if (op->data.nbytes && op->data.buswidth != 8)
++ return false;
++ } else if (all_false) {
++ /* Only 1-1-X ops are supported without DTR */
++ if (op->cmd.nbytes && op->cmd.buswidth > 1)
++ return false;
++ if (op->addr.nbytes && op->addr.buswidth > 1)
++ return false;
++ } else {
++ /* Mixed DTR modes are not supported. */
+ return false;
++ }
+
+ if (all_true)
+ return spi_mem_dtr_supports_op(mem, op);
+diff --git a/drivers/spi/spi-mtk-nor.c b/drivers/spi/spi-mtk-nor.c
+index 5c93730615f8d..6d203477c04b1 100644
+--- a/drivers/spi/spi-mtk-nor.c
++++ b/drivers/spi/spi-mtk-nor.c
+@@ -909,7 +909,17 @@ static int __maybe_unused mtk_nor_suspend(struct device *dev)
+
+ static int __maybe_unused mtk_nor_resume(struct device *dev)
+ {
+- return pm_runtime_force_resume(dev);
++ struct spi_controller *ctlr = dev_get_drvdata(dev);
++ struct mtk_nor *sp = spi_controller_get_devdata(ctlr);
++ int ret;
++
++ ret = pm_runtime_force_resume(dev);
++ if (ret)
++ return ret;
++
++ mtk_nor_init(sp);
++
++ return 0;
+ }
+
+ static const struct dev_pm_ops mtk_nor_pm_ops = {
+diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
+index 29a019cf1d5f8..8f8d281e31510 100644
+--- a/fs/cifs/cifsfs.c
++++ b/fs/cifs/cifsfs.c
+@@ -936,7 +936,7 @@ cifs_loose_read_iter(struct kiocb *iocb, struct iov_iter *iter)
+ ssize_t rc;
+ struct inode *inode = file_inode(iocb->ki_filp);
+
+- if (iocb->ki_filp->f_flags & O_DIRECT)
++ if (iocb->ki_flags & IOCB_DIRECT)
+ return cifs_user_readv(iocb, iter);
+
+ rc = cifs_revalidate_mapping(inode);
+diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
+index db981619f6c8e..a0a9878578949 100644
+--- a/fs/ext4/ext4.h
++++ b/fs/ext4/ext4.h
+@@ -2267,6 +2267,10 @@ static inline int ext4_forced_shutdown(struct ext4_sb_info *sbi)
+ * Structure of a directory entry
+ */
+ #define EXT4_NAME_LEN 255
++/*
++ * Base length of the ext4 directory entry excluding the name length
++ */
++#define EXT4_BASE_DIR_LEN (sizeof(struct ext4_dir_entry_2) - EXT4_NAME_LEN)
+
+ struct ext4_dir_entry {
+ __le32 inode; /* Inode number */
+@@ -3027,7 +3031,7 @@ extern int ext4_inode_attach_jinode(struct inode *inode);
+ extern int ext4_can_truncate(struct inode *inode);
+ extern int ext4_truncate(struct inode *);
+ extern int ext4_break_layouts(struct inode *);
+-extern int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length);
++extern int ext4_punch_hole(struct file *file, loff_t offset, loff_t length);
+ extern void ext4_set_inode_flags(struct inode *, bool init);
+ extern int ext4_alloc_da_blocks(struct inode *inode);
+ extern void ext4_set_aops(struct inode *inode);
+diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
+index b81c008e66755..44d00951e6092 100644
+--- a/fs/ext4/extents.c
++++ b/fs/ext4/extents.c
+@@ -4504,9 +4504,9 @@ retry:
+ return ret > 0 ? ret2 : ret;
+ }
+
+-static int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len);
++static int ext4_collapse_range(struct file *file, loff_t offset, loff_t len);
+
+-static int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len);
++static int ext4_insert_range(struct file *file, loff_t offset, loff_t len);
+
+ static long ext4_zero_range(struct file *file, loff_t offset,
+ loff_t len, int mode)
+@@ -4578,6 +4578,10 @@ static long ext4_zero_range(struct file *file, loff_t offset,
+ /* Wait all existing dio workers, newcomers will block on i_mutex */
+ inode_dio_wait(inode);
+
++ ret = file_modified(file);
++ if (ret)
++ goto out_mutex;
++
+ /* Preallocate the range including the unaligned edges */
+ if (partial_begin || partial_end) {
+ ret = ext4_alloc_file_blocks(file,
+@@ -4696,7 +4700,7 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
+ ext4_fc_start_update(inode);
+
+ if (mode & FALLOC_FL_PUNCH_HOLE) {
+- ret = ext4_punch_hole(inode, offset, len);
++ ret = ext4_punch_hole(file, offset, len);
+ goto exit;
+ }
+
+@@ -4705,12 +4709,12 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
+ goto exit;
+
+ if (mode & FALLOC_FL_COLLAPSE_RANGE) {
+- ret = ext4_collapse_range(inode, offset, len);
++ ret = ext4_collapse_range(file, offset, len);
+ goto exit;
+ }
+
+ if (mode & FALLOC_FL_INSERT_RANGE) {
+- ret = ext4_insert_range(inode, offset, len);
++ ret = ext4_insert_range(file, offset, len);
+ goto exit;
+ }
+
+@@ -4746,6 +4750,10 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
+ /* Wait all existing dio workers, newcomers will block on i_mutex */
+ inode_dio_wait(inode);
+
++ ret = file_modified(file);
++ if (ret)
++ goto out;
++
+ ret = ext4_alloc_file_blocks(file, lblk, max_blocks, new_size, flags);
+ if (ret)
+ goto out;
+@@ -5248,8 +5256,9 @@ out:
+ * This implements the fallocate's collapse range functionality for ext4
+ * Returns: 0 and non-zero on error.
+ */
+-static int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
++static int ext4_collapse_range(struct file *file, loff_t offset, loff_t len)
+ {
++ struct inode *inode = file_inode(file);
+ struct super_block *sb = inode->i_sb;
+ struct address_space *mapping = inode->i_mapping;
+ ext4_lblk_t punch_start, punch_stop;
+@@ -5301,6 +5310,10 @@ static int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
+ /* Wait for existing dio to complete */
+ inode_dio_wait(inode);
+
++ ret = file_modified(file);
++ if (ret)
++ goto out_mutex;
++
+ /*
+ * Prevent page faults from reinstantiating pages we have released from
+ * page cache.
+@@ -5394,8 +5407,9 @@ out_mutex:
+ * by len bytes.
+ * Returns 0 on success, error otherwise.
+ */
+-static int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len)
++static int ext4_insert_range(struct file *file, loff_t offset, loff_t len)
+ {
++ struct inode *inode = file_inode(file);
+ struct super_block *sb = inode->i_sb;
+ struct address_space *mapping = inode->i_mapping;
+ handle_t *handle;
+@@ -5452,6 +5466,10 @@ static int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len)
+ /* Wait for existing dio to complete */
+ inode_dio_wait(inode);
+
++ ret = file_modified(file);
++ if (ret)
++ goto out_mutex;
++
+ /*
+ * Prevent page faults from reinstantiating pages we have released from
+ * page cache.
+diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
+index fff52292c01ec..db73b49bd9795 100644
+--- a/fs/ext4/inode.c
++++ b/fs/ext4/inode.c
+@@ -3939,12 +3939,14 @@ int ext4_break_layouts(struct inode *inode)
+ * Returns: 0 on success or negative on failure
+ */
+
+-int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
++int ext4_punch_hole(struct file *file, loff_t offset, loff_t length)
+ {
++ struct inode *inode = file_inode(file);
+ struct super_block *sb = inode->i_sb;
+ ext4_lblk_t first_block, stop_block;
+ struct address_space *mapping = inode->i_mapping;
+- loff_t first_block_offset, last_block_offset;
++ loff_t first_block_offset, last_block_offset, max_length;
++ struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
+ handle_t *handle;
+ unsigned int credits;
+ int ret = 0, ret2 = 0;
+@@ -3987,6 +3989,14 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
+ offset;
+ }
+
++ /*
++ * For punch hole the length + offset needs to be within one block
++ * before last range. Adjust the length if it goes beyond that limit.
++ */
++ max_length = sbi->s_bitmap_maxbytes - inode->i_sb->s_blocksize;
++ if (offset + length > max_length)
++ length = max_length - offset;
++
+ if (offset & (sb->s_blocksize - 1) ||
+ (offset + length) & (sb->s_blocksize - 1)) {
+ /*
+@@ -4002,6 +4012,10 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
+ /* Wait all existing dio workers, newcomers will block on i_mutex */
+ inode_dio_wait(inode);
+
++ ret = file_modified(file);
++ if (ret)
++ goto out_mutex;
++
+ /*
+ * Prevent page faults from reinstantiating pages we have released from
+ * page cache.
+diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
+index 8cb5ea7ee506c..19c620118e628 100644
+--- a/fs/ext4/namei.c
++++ b/fs/ext4/namei.c
+@@ -1466,10 +1466,10 @@ int ext4_search_dir(struct buffer_head *bh, char *search_buf, int buf_size,
+
+ de = (struct ext4_dir_entry_2 *)search_buf;
+ dlimit = search_buf + buf_size;
+- while ((char *) de < dlimit) {
++ while ((char *) de < dlimit - EXT4_BASE_DIR_LEN) {
+ /* this code is executed quadratically often */
+ /* do minimal checking `by hand' */
+- if ((char *) de + de->name_len <= dlimit &&
++ if (de->name + de->name_len <= dlimit &&
+ ext4_match(dir, fname, de)) {
+ /* found a match - just to be sure, do
+ * a full check */
+diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
+index f038d578d8d8f..18977ff8e4939 100644
+--- a/fs/ext4/page-io.c
++++ b/fs/ext4/page-io.c
+@@ -134,8 +134,10 @@ static void ext4_finish_bio(struct bio *bio)
+ continue;
+ }
+ clear_buffer_async_write(bh);
+- if (bio->bi_status)
++ if (bio->bi_status) {
++ set_buffer_write_io_error(bh);
+ buffer_io_error(bh);
++ }
+ } while ((bh = bh->b_this_page) != head);
+ spin_unlock_irqrestore(&head->b_uptodate_lock, flags);
+ if (!under_io) {
+diff --git a/fs/ext4/super.c b/fs/ext4/super.c
+index fd4d34deb9fc6..fa21d81803190 100644
+--- a/fs/ext4/super.c
++++ b/fs/ext4/super.c
+@@ -3697,9 +3697,11 @@ static int count_overhead(struct super_block *sb, ext4_group_t grp,
+ ext4_fsblk_t first_block, last_block, b;
+ ext4_group_t i, ngroups = ext4_get_groups_count(sb);
+ int s, j, count = 0;
++ int has_super = ext4_bg_has_super(sb, grp);
+
+ if (!ext4_has_feature_bigalloc(sb))
+- return (ext4_bg_has_super(sb, grp) + ext4_bg_num_gdb(sb, grp) +
++ return (has_super + ext4_bg_num_gdb(sb, grp) +
++ (has_super ? le16_to_cpu(sbi->s_es->s_reserved_gdt_blocks) : 0) +
+ sbi->s_itb_per_group + 2);
+
+ first_block = le32_to_cpu(sbi->s_es->s_first_data_block) +
+@@ -4786,9 +4788,18 @@ no_journal:
+ * Get the # of file system overhead blocks from the
+ * superblock if present.
+ */
+- if (es->s_overhead_clusters)
+- sbi->s_overhead = le32_to_cpu(es->s_overhead_clusters);
+- else {
++ sbi->s_overhead = le32_to_cpu(es->s_overhead_clusters);
++ /* ignore the precalculated value if it is ridiculous */
++ if (sbi->s_overhead > ext4_blocks_count(es))
++ sbi->s_overhead = 0;
++ /*
++ * If the bigalloc feature is not enabled recalculating the
++ * overhead doesn't take long, so we might as well just redo
++ * it to make sure we are using the correct value.
++ */
++ if (!ext4_has_feature_bigalloc(sb))
++ sbi->s_overhead = 0;
++ if (sbi->s_overhead == 0) {
+ err = ext4_calculate_overhead(sb);
+ if (err)
+ goto failed_mount_wq;
+diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
+index 403cf6f1eb8c5..6901cd85f1df7 100644
+--- a/fs/gfs2/rgrp.c
++++ b/fs/gfs2/rgrp.c
+@@ -923,15 +923,15 @@ static int read_rindex_entry(struct gfs2_inode *ip)
+ spin_lock_init(&rgd->rd_rsspin);
+ mutex_init(&rgd->rd_mutex);
+
+- error = compute_bitstructs(rgd);
+- if (error)
+- goto fail;
+-
+ error = gfs2_glock_get(sdp, rgd->rd_addr,
+ &gfs2_rgrp_glops, CREATE, &rgd->rd_gl);
+ if (error)
+ goto fail;
+
++ error = compute_bitstructs(rgd);
++ if (error)
++ goto fail_glock;
++
+ rgd->rd_rgl = (struct gfs2_rgrp_lvb *)rgd->rd_gl->gl_lksb.sb_lvbptr;
+ rgd->rd_flags &= ~(GFS2_RDF_UPTODATE | GFS2_RDF_PREFERRED);
+ if (rgd->rd_data > sdp->sd_max_rg_data)
+@@ -945,6 +945,7 @@ static int read_rindex_entry(struct gfs2_inode *ip)
+ }
+
+ error = 0; /* someone else read in the rgrp; free it and ignore it */
++fail_glock:
+ gfs2_glock_put(rgd->rd_gl);
+
+ fail:
+diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
+index 54c4e0b0dda4a..bb0651a4a1287 100644
+--- a/fs/hugetlbfs/inode.c
++++ b/fs/hugetlbfs/inode.c
+@@ -206,7 +206,7 @@ hugetlb_get_unmapped_area_bottomup(struct file *file, unsigned long addr,
+ info.flags = 0;
+ info.length = len;
+ info.low_limit = current->mm->mmap_base;
+- info.high_limit = TASK_SIZE;
++ info.high_limit = arch_get_mmap_end(addr);
+ info.align_mask = PAGE_MASK & ~huge_page_mask(h);
+ info.align_offset = 0;
+ return vm_unmapped_area(&info);
+@@ -222,7 +222,7 @@ hugetlb_get_unmapped_area_topdown(struct file *file, unsigned long addr,
+ info.flags = VM_UNMAPPED_AREA_TOPDOWN;
+ info.length = len;
+ info.low_limit = max(PAGE_SIZE, mmap_min_addr);
+- info.high_limit = current->mm->mmap_base;
++ info.high_limit = arch_get_mmap_base(addr, current->mm->mmap_base);
+ info.align_mask = PAGE_MASK & ~huge_page_mask(h);
+ info.align_offset = 0;
+ addr = vm_unmapped_area(&info);
+@@ -237,7 +237,7 @@ hugetlb_get_unmapped_area_topdown(struct file *file, unsigned long addr,
+ VM_BUG_ON(addr != -ENOMEM);
+ info.flags = 0;
+ info.low_limit = current->mm->mmap_base;
+- info.high_limit = TASK_SIZE;
++ info.high_limit = arch_get_mmap_end(addr);
+ addr = vm_unmapped_area(&info);
+ }
+
+@@ -251,6 +251,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
+ struct mm_struct *mm = current->mm;
+ struct vm_area_struct *vma;
+ struct hstate *h = hstate_file(file);
++ const unsigned long mmap_end = arch_get_mmap_end(addr);
+
+ if (len & ~huge_page_mask(h))
+ return -EINVAL;
+@@ -266,7 +267,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
+ if (addr) {
+ addr = ALIGN(addr, huge_page_size(h));
+ vma = find_vma(mm, addr);
+- if (TASK_SIZE - len >= addr &&
++ if (mmap_end - len >= addr &&
+ (!vma || addr + len <= vm_start_gap(vma)))
+ return addr;
+ }
+diff --git a/fs/internal.h b/fs/internal.h
+index 3cd065c8a66b4..cdd83d4899bb3 100644
+--- a/fs/internal.h
++++ b/fs/internal.h
+@@ -23,22 +23,11 @@ struct pipe_inode_info;
+ #ifdef CONFIG_BLOCK
+ extern void __init bdev_cache_init(void);
+
+-extern int __sync_blockdev(struct block_device *bdev, int wait);
+-void iterate_bdevs(void (*)(struct block_device *, void *), void *);
+ void emergency_thaw_bdev(struct super_block *sb);
+ #else
+ static inline void bdev_cache_init(void)
+ {
+ }
+-
+-static inline int __sync_blockdev(struct block_device *bdev, int wait)
+-{
+- return 0;
+-}
+-static inline void iterate_bdevs(void (*f)(struct block_device *, void *),
+- void *arg)
+-{
+-}
+ static inline int emergency_thaw_bdev(struct super_block *sb)
+ {
+ return 0;
+diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
+index d188fa913a075..34b1406c06fde 100644
+--- a/fs/jbd2/commit.c
++++ b/fs/jbd2/commit.c
+@@ -501,7 +501,6 @@ void jbd2_journal_commit_transaction(journal_t *journal)
+ }
+ spin_unlock(&commit_transaction->t_handle_lock);
+ commit_transaction->t_state = T_SWITCH;
+- write_unlock(&journal->j_state_lock);
+
+ J_ASSERT (atomic_read(&commit_transaction->t_outstanding_credits) <=
+ journal->j_max_transaction_buffers);
+@@ -521,6 +520,8 @@ void jbd2_journal_commit_transaction(journal_t *journal)
+ * has reserved. This is consistent with the existing behaviour
+ * that multiple jbd2_journal_get_write_access() calls to the same
+ * buffer are perfectly permissible.
++ * We use journal->j_state_lock here to serialize processing of
++ * t_reserved_list with eviction of buffers from journal_unmap_buffer().
+ */
+ while (commit_transaction->t_reserved_list) {
+ jh = commit_transaction->t_reserved_list;
+@@ -540,6 +541,7 @@ void jbd2_journal_commit_transaction(journal_t *journal)
+ jbd2_journal_refile_buffer(journal, jh);
+ }
+
++ write_unlock(&journal->j_state_lock);
+ /*
+ * Now try to drop any written-back buffers from the journal's
+ * checkpoint lists. We do this *before* commit because it potentially
+diff --git a/fs/namei.c b/fs/namei.c
+index 3bb65f48fe1da..8882a70dc1192 100644
+--- a/fs/namei.c
++++ b/fs/namei.c
+@@ -3625,18 +3625,14 @@ static struct dentry *filename_create(int dfd, struct filename *name,
+ {
+ struct dentry *dentry = ERR_PTR(-EEXIST);
+ struct qstr last;
++ bool want_dir = lookup_flags & LOOKUP_DIRECTORY;
++ unsigned int reval_flag = lookup_flags & LOOKUP_REVAL;
++ unsigned int create_flags = LOOKUP_CREATE | LOOKUP_EXCL;
+ int type;
+ int err2;
+ int error;
+- bool is_dir = (lookup_flags & LOOKUP_DIRECTORY);
+
+- /*
+- * Note that only LOOKUP_REVAL and LOOKUP_DIRECTORY matter here. Any
+- * other flags passed in are ignored!
+- */
+- lookup_flags &= LOOKUP_REVAL;
+-
+- error = filename_parentat(dfd, name, lookup_flags, path, &last, &type);
++ error = filename_parentat(dfd, name, reval_flag, path, &last, &type);
+ if (error)
+ return ERR_PTR(error);
+
+@@ -3650,11 +3646,13 @@ static struct dentry *filename_create(int dfd, struct filename *name,
+ /* don't fail immediately if it's r/o, at least try to report other errors */
+ err2 = mnt_want_write(path->mnt);
+ /*
+- * Do the final lookup.
++ * Do the final lookup. Suppress 'create' if there is a trailing
++ * '/', and a directory wasn't requested.
+ */
+- lookup_flags |= LOOKUP_CREATE | LOOKUP_EXCL;
++ if (last.name[last.len] && !want_dir)
++ create_flags = 0;
+ inode_lock_nested(path->dentry->d_inode, I_MUTEX_PARENT);
+- dentry = __lookup_hash(&last, path->dentry, lookup_flags);
++ dentry = __lookup_hash(&last, path->dentry, reval_flag | create_flags);
+ if (IS_ERR(dentry))
+ goto unlock;
+
+@@ -3668,7 +3666,7 @@ static struct dentry *filename_create(int dfd, struct filename *name,
+ * all is fine. Let's be bastards - you had / on the end, you've
+ * been asking for (non-existent) directory. -ENOENT for you.
+ */
+- if (unlikely(!is_dir && last.name[last.len])) {
++ if (unlikely(!create_flags)) {
+ error = -ENOENT;
+ goto fail;
+ }
+diff --git a/fs/stat.c b/fs/stat.c
+index 28d2020ba1f42..246d138ec0669 100644
+--- a/fs/stat.c
++++ b/fs/stat.c
+@@ -334,9 +334,6 @@ SYSCALL_DEFINE2(fstat, unsigned int, fd, struct __old_kernel_stat __user *, stat
+ # define choose_32_64(a,b) b
+ #endif
+
+-#define valid_dev(x) choose_32_64(old_valid_dev(x),true)
+-#define encode_dev(x) choose_32_64(old_encode_dev,new_encode_dev)(x)
+-
+ #ifndef INIT_STRUCT_STAT_PADDING
+ # define INIT_STRUCT_STAT_PADDING(st) memset(&st, 0, sizeof(st))
+ #endif
+@@ -345,7 +342,9 @@ static int cp_new_stat(struct kstat *stat, struct stat __user *statbuf)
+ {
+ struct stat tmp;
+
+- if (!valid_dev(stat->dev) || !valid_dev(stat->rdev))
++ if (sizeof(tmp.st_dev) < 4 && !old_valid_dev(stat->dev))
++ return -EOVERFLOW;
++ if (sizeof(tmp.st_rdev) < 4 && !old_valid_dev(stat->rdev))
+ return -EOVERFLOW;
+ #if BITS_PER_LONG == 32
+ if (stat->size > MAX_NON_LFS)
+@@ -353,7 +352,7 @@ static int cp_new_stat(struct kstat *stat, struct stat __user *statbuf)
+ #endif
+
+ INIT_STRUCT_STAT_PADDING(tmp);
+- tmp.st_dev = encode_dev(stat->dev);
++ tmp.st_dev = new_encode_dev(stat->dev);
+ tmp.st_ino = stat->ino;
+ if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino)
+ return -EOVERFLOW;
+@@ -363,7 +362,7 @@ static int cp_new_stat(struct kstat *stat, struct stat __user *statbuf)
+ return -EOVERFLOW;
+ SET_UID(tmp.st_uid, from_kuid_munged(current_user_ns(), stat->uid));
+ SET_GID(tmp.st_gid, from_kgid_munged(current_user_ns(), stat->gid));
+- tmp.st_rdev = encode_dev(stat->rdev);
++ tmp.st_rdev = new_encode_dev(stat->rdev);
+ tmp.st_size = stat->size;
+ tmp.st_atime = stat->atime.tv_sec;
+ tmp.st_mtime = stat->mtime.tv_sec;
+@@ -644,11 +643,13 @@ static int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf)
+ {
+ struct compat_stat tmp;
+
+- if (!old_valid_dev(stat->dev) || !old_valid_dev(stat->rdev))
++ if (sizeof(tmp.st_dev) < 4 && !old_valid_dev(stat->dev))
++ return -EOVERFLOW;
++ if (sizeof(tmp.st_rdev) < 4 && !old_valid_dev(stat->rdev))
+ return -EOVERFLOW;
+
+ memset(&tmp, 0, sizeof(tmp));
+- tmp.st_dev = old_encode_dev(stat->dev);
++ tmp.st_dev = new_encode_dev(stat->dev);
+ tmp.st_ino = stat->ino;
+ if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino)
+ return -EOVERFLOW;
+@@ -658,7 +659,7 @@ static int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf)
+ return -EOVERFLOW;
+ SET_UID(tmp.st_uid, from_kuid_munged(current_user_ns(), stat->uid));
+ SET_GID(tmp.st_gid, from_kgid_munged(current_user_ns(), stat->gid));
+- tmp.st_rdev = old_encode_dev(stat->rdev);
++ tmp.st_rdev = new_encode_dev(stat->rdev);
+ if ((u64) stat->size > MAX_NON_LFS)
+ return -EOVERFLOW;
+ tmp.st_size = stat->size;
+diff --git a/fs/sync.c b/fs/sync.c
+index 1373a610dc784..c7690016453e4 100644
+--- a/fs/sync.c
++++ b/fs/sync.c
+@@ -3,6 +3,7 @@
+ * High-level sync()-related operations
+ */
+
++#include <linux/blkdev.h>
+ #include <linux/kernel.h>
+ #include <linux/file.h>
+ #include <linux/fs.h>
+@@ -21,25 +22,6 @@
+ #define VALID_FLAGS (SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE| \
+ SYNC_FILE_RANGE_WAIT_AFTER)
+
+-/*
+- * Do the filesystem syncing work. For simple filesystems
+- * writeback_inodes_sb(sb) just dirties buffers with inodes so we have to
+- * submit IO for these buffers via __sync_blockdev(). This also speeds up the
+- * wait == 1 case since in that case write_inode() functions do
+- * sync_dirty_buffer() and thus effectively write one block at a time.
+- */
+-static int __sync_filesystem(struct super_block *sb, int wait)
+-{
+- if (wait)
+- sync_inodes_sb(sb);
+- else
+- writeback_inodes_sb(sb, WB_REASON_SYNC);
+-
+- if (sb->s_op->sync_fs)
+- sb->s_op->sync_fs(sb, wait);
+- return __sync_blockdev(sb->s_bdev, wait);
+-}
+-
+ /*
+ * Write out and wait upon all dirty data associated with this
+ * superblock. Filesystem data as well as the underlying block
+@@ -47,7 +29,7 @@ static int __sync_filesystem(struct super_block *sb, int wait)
+ */
+ int sync_filesystem(struct super_block *sb)
+ {
+- int ret;
++ int ret = 0;
+
+ /*
+ * We need to be protected against the filesystem going from
+@@ -61,10 +43,31 @@ int sync_filesystem(struct super_block *sb)
+ if (sb_rdonly(sb))
+ return 0;
+
+- ret = __sync_filesystem(sb, 0);
+- if (ret < 0)
++ /*
++ * Do the filesystem syncing work. For simple filesystems
++ * writeback_inodes_sb(sb) just dirties buffers with inodes so we have
++ * to submit I/O for these buffers via sync_blockdev(). This also
++ * speeds up the wait == 1 case since in that case write_inode()
++ * methods call sync_dirty_buffer() and thus effectively write one block
++ * at a time.
++ */
++ writeback_inodes_sb(sb, WB_REASON_SYNC);
++ if (sb->s_op->sync_fs) {
++ ret = sb->s_op->sync_fs(sb, 0);
++ if (ret)
++ return ret;
++ }
++ ret = sync_blockdev_nowait(sb->s_bdev);
++ if (ret)
+ return ret;
+- return __sync_filesystem(sb, 1);
++
++ sync_inodes_sb(sb);
++ if (sb->s_op->sync_fs) {
++ ret = sb->s_op->sync_fs(sb, 1);
++ if (ret)
++ return ret;
++ }
++ return sync_blockdev(sb->s_bdev);
+ }
+ EXPORT_SYMBOL(sync_filesystem);
+
+@@ -81,21 +84,6 @@ static void sync_fs_one_sb(struct super_block *sb, void *arg)
+ sb->s_op->sync_fs(sb, *(int *)arg);
+ }
+
+-static void fdatawrite_one_bdev(struct block_device *bdev, void *arg)
+-{
+- filemap_fdatawrite(bdev->bd_inode->i_mapping);
+-}
+-
+-static void fdatawait_one_bdev(struct block_device *bdev, void *arg)
+-{
+- /*
+- * We keep the error status of individual mapping so that
+- * applications can catch the writeback error using fsync(2).
+- * See filemap_fdatawait_keep_errors() for details.
+- */
+- filemap_fdatawait_keep_errors(bdev->bd_inode->i_mapping);
+-}
+-
+ /*
+ * Sync everything. We start by waking flusher threads so that most of
+ * writeback runs on all devices in parallel. Then we sync all inodes reliably
+@@ -114,8 +102,8 @@ void ksys_sync(void)
+ iterate_supers(sync_inodes_one_sb, NULL);
+ iterate_supers(sync_fs_one_sb, &nowait);
+ iterate_supers(sync_fs_one_sb, &wait);
+- iterate_bdevs(fdatawrite_one_bdev, NULL);
+- iterate_bdevs(fdatawait_one_bdev, NULL);
++ sync_bdevs(false);
++ sync_bdevs(true);
+ if (unlikely(laptop_mode))
+ laptop_sync_completion();
+ }
+@@ -136,10 +124,10 @@ static void do_sync_work(struct work_struct *work)
+ */
+ iterate_supers(sync_inodes_one_sb, &nowait);
+ iterate_supers(sync_fs_one_sb, &nowait);
+- iterate_bdevs(fdatawrite_one_bdev, NULL);
++ sync_bdevs(false);
+ iterate_supers(sync_inodes_one_sb, &nowait);
+ iterate_supers(sync_fs_one_sb, &nowait);
+- iterate_bdevs(fdatawrite_one_bdev, NULL);
++ sync_bdevs(false);
+ printk("Emergency Sync complete\n");
+ kfree(work);
+ }
+diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
+index c4e0cd1c1c8ca..170fee98c45c7 100644
+--- a/fs/xfs/xfs_super.c
++++ b/fs/xfs/xfs_super.c
+@@ -729,6 +729,7 @@ xfs_fs_sync_fs(
+ int wait)
+ {
+ struct xfs_mount *mp = XFS_M(sb);
++ int error;
+
+ trace_xfs_fs_sync_fs(mp, __return_address);
+
+@@ -738,7 +739,10 @@ xfs_fs_sync_fs(
+ if (!wait)
+ return 0;
+
+- xfs_log_force(mp, XFS_LOG_SYNC);
++ error = xfs_log_force(mp, XFS_LOG_SYNC);
++ if (error)
++ return error;
++
+ if (laptop_mode) {
+ /*
+ * The disk must be active because we're syncing.
+diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
+index 413c0148c0ce5..aebe67ed7a73e 100644
+--- a/include/linux/blkdev.h
++++ b/include/linux/blkdev.h
+@@ -1999,6 +1999,8 @@ int truncate_bdev_range(struct block_device *bdev, fmode_t mode, loff_t lstart,
+ #ifdef CONFIG_BLOCK
+ void invalidate_bdev(struct block_device *bdev);
+ int sync_blockdev(struct block_device *bdev);
++int sync_blockdev_nowait(struct block_device *bdev);
++void sync_bdevs(bool wait);
+ #else
+ static inline void invalidate_bdev(struct block_device *bdev)
+ {
+@@ -2007,6 +2009,13 @@ static inline int sync_blockdev(struct block_device *bdev)
+ {
+ return 0;
+ }
++static inline int sync_blockdev_nowait(struct block_device *bdev)
++{
++ return 0;
++}
++static inline void sync_bdevs(bool wait)
++{
++}
+ #endif
+ int fsync_bdev(struct block_device *bdev);
+
+diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
+index c58d504514854..7f28fa702bb72 100644
+--- a/include/linux/etherdevice.h
++++ b/include/linux/etherdevice.h
+@@ -127,7 +127,7 @@ static inline bool is_multicast_ether_addr(const u8 *addr)
+ #endif
+ }
+
+-static inline bool is_multicast_ether_addr_64bits(const u8 addr[6+2])
++static inline bool is_multicast_ether_addr_64bits(const u8 *addr)
+ {
+ #if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64
+ #ifdef __BIG_ENDIAN
+@@ -364,8 +364,7 @@ static inline bool ether_addr_equal(const u8 *addr1, const u8 *addr2)
+ * Please note that alignment of addr1 & addr2 are only guaranteed to be 16 bits.
+ */
+
+-static inline bool ether_addr_equal_64bits(const u8 addr1[6+2],
+- const u8 addr2[6+2])
++static inline bool ether_addr_equal_64bits(const u8 *addr1, const u8 *addr2)
+ {
+ #if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64
+ u64 fold = (*(const u64 *)addr1) ^ (*(const u64 *)addr2);
+diff --git a/include/linux/kfence.h b/include/linux/kfence.h
+index 4b5e3679a72c7..3c75209a545e1 100644
+--- a/include/linux/kfence.h
++++ b/include/linux/kfence.h
+@@ -202,6 +202,22 @@ static __always_inline __must_check bool kfence_free(void *addr)
+ */
+ bool __must_check kfence_handle_page_fault(unsigned long addr, bool is_write, struct pt_regs *regs);
+
++#ifdef CONFIG_PRINTK
++struct kmem_obj_info;
++/**
++ * __kfence_obj_info() - fill kmem_obj_info struct
++ * @kpp: kmem_obj_info to be filled
++ * @object: the object
++ *
++ * Return:
++ * * false - not a KFENCE object
++ * * true - a KFENCE object, filled @kpp
++ *
++ * Copies information to @kpp for KFENCE objects.
++ */
++bool __kfence_obj_info(struct kmem_obj_info *kpp, void *object, struct page *page);
++#endif
++
+ #else /* CONFIG_KFENCE */
+
+ static inline bool is_kfence_address(const void *addr) { return false; }
+@@ -219,6 +235,14 @@ static inline bool __must_check kfence_handle_page_fault(unsigned long addr, boo
+ return false;
+ }
+
++#ifdef CONFIG_PRINTK
++struct kmem_obj_info;
++static inline bool __kfence_obj_info(struct kmem_obj_info *kpp, void *object, struct page *page)
++{
++ return false;
++}
++#endif
++
+ #endif
+
+ #endif /* _LINUX_KFENCE_H */
+diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
+index d9b8df5ef212f..d35439db047cb 100644
+--- a/include/linux/memcontrol.h
++++ b/include/linux/memcontrol.h
+@@ -1002,6 +1002,7 @@ static inline unsigned long lruvec_page_state_local(struct lruvec *lruvec,
+ }
+
+ void mem_cgroup_flush_stats(void);
++void mem_cgroup_flush_stats_delayed(void);
+
+ void __mod_memcg_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx,
+ int val);
+@@ -1422,6 +1423,10 @@ static inline void mem_cgroup_flush_stats(void)
+ {
+ }
+
++static inline void mem_cgroup_flush_stats_delayed(void)
++{
++}
++
+ static inline void __mod_memcg_lruvec_state(struct lruvec *lruvec,
+ enum node_stat_item idx, int val)
+ {
+diff --git a/include/linux/netfilter/nf_conntrack_common.h b/include/linux/netfilter/nf_conntrack_common.h
+index 700ea077ce2d6..2770db2fa080d 100644
+--- a/include/linux/netfilter/nf_conntrack_common.h
++++ b/include/linux/netfilter/nf_conntrack_common.h
+@@ -2,7 +2,7 @@
+ #ifndef _NF_CONNTRACK_COMMON_H
+ #define _NF_CONNTRACK_COMMON_H
+
+-#include <linux/atomic.h>
++#include <linux/refcount.h>
+ #include <uapi/linux/netfilter/nf_conntrack_common.h>
+
+ struct ip_conntrack_stat {
+@@ -25,19 +25,21 @@ struct ip_conntrack_stat {
+ #define NFCT_PTRMASK ~(NFCT_INFOMASK)
+
+ struct nf_conntrack {
+- atomic_t use;
++ refcount_t use;
+ };
+
+ void nf_conntrack_destroy(struct nf_conntrack *nfct);
++
++/* like nf_ct_put, but without module dependency on nf_conntrack */
+ static inline void nf_conntrack_put(struct nf_conntrack *nfct)
+ {
+- if (nfct && atomic_dec_and_test(&nfct->use))
++ if (nfct && refcount_dec_and_test(&nfct->use))
+ nf_conntrack_destroy(nfct);
+ }
+ static inline void nf_conntrack_get(struct nf_conntrack *nfct)
+ {
+ if (nfct)
+- atomic_inc(&nfct->use);
++ refcount_inc(&nfct->use);
+ }
+
+ #endif /* _NF_CONNTRACK_COMMON_H */
+diff --git a/include/linux/sched.h b/include/linux/sched.h
+index 9016bbacedf3b..ad7ff332a0ac8 100644
+--- a/include/linux/sched.h
++++ b/include/linux/sched.h
+@@ -1436,6 +1436,7 @@ struct task_struct {
+ int pagefault_disabled;
+ #ifdef CONFIG_MMU
+ struct task_struct *oom_reaper_list;
++ struct timer_list oom_reaper_timer;
+ #endif
+ #ifdef CONFIG_VMAP_STACK
+ struct vm_struct *stack_vm_area;
+diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h
+index 5561486fddef7..95fb7aaaec8de 100644
+--- a/include/linux/sched/mm.h
++++ b/include/linux/sched/mm.h
+@@ -106,6 +106,14 @@ static inline void mm_update_next_owner(struct mm_struct *mm)
+ #endif /* CONFIG_MEMCG */
+
+ #ifdef CONFIG_MMU
++#ifndef arch_get_mmap_end
++#define arch_get_mmap_end(addr) (TASK_SIZE)
++#endif
++
++#ifndef arch_get_mmap_base
++#define arch_get_mmap_base(addr, base) (base)
++#endif
++
+ extern void arch_pick_mmap_layout(struct mm_struct *mm,
+ struct rlimit *rlim_stack);
+ extern unsigned long
+diff --git a/include/net/esp.h b/include/net/esp.h
+index 90cd02ff77ef6..9c5637d41d951 100644
+--- a/include/net/esp.h
++++ b/include/net/esp.h
+@@ -4,8 +4,6 @@
+
+ #include <linux/skbuff.h>
+
+-#define ESP_SKB_FRAG_MAXSIZE (PAGE_SIZE << SKB_FRAG_PAGE_ORDER)
+-
+ struct ip_esp_hdr;
+
+ static inline struct ip_esp_hdr *ip_esp_hdr(const struct sk_buff *skb)
+diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
+index d24b0a34c8f0c..34c266502a50e 100644
+--- a/include/net/netfilter/nf_conntrack.h
++++ b/include/net/netfilter/nf_conntrack.h
+@@ -76,6 +76,8 @@ struct nf_conn {
+ * Hint, SKB address this struct and refcnt via skb->_nfct and
+ * helpers nf_conntrack_get() and nf_conntrack_put().
+ * Helper nf_ct_put() equals nf_conntrack_put() by dec refcnt,
++ * except that the latter uses internal indirection and does not
++ * result in a conntrack module dependency.
+ * beware nf_ct_get() is different and don't inc refcnt.
+ */
+ struct nf_conntrack ct_general;
+@@ -169,11 +171,13 @@ nf_ct_get(const struct sk_buff *skb, enum ip_conntrack_info *ctinfo)
+ return (struct nf_conn *)(nfct & NFCT_PTRMASK);
+ }
+
++void nf_ct_destroy(struct nf_conntrack *nfct);
++
+ /* decrement reference count on a conntrack */
+ static inline void nf_ct_put(struct nf_conn *ct)
+ {
+- WARN_ON(!ct);
+- nf_conntrack_put(&ct->ct_general);
++ if (ct && refcount_dec_and_test(&ct->ct_general.use))
++ nf_ct_destroy(&ct->ct_general);
+ }
+
+ /* Protocol module loading */
+diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h
+index 6bd7e5a85ce76..ff82983b7ab41 100644
+--- a/include/net/netns/ipv6.h
++++ b/include/net/netns/ipv6.h
+@@ -75,8 +75,8 @@ struct netns_ipv6 {
+ struct list_head fib6_walkers;
+ rwlock_t fib6_walker_lock;
+ spinlock_t fib6_gc_lock;
+- unsigned int ip6_rt_gc_expire;
+- unsigned long ip6_rt_last_gc;
++ atomic_t ip6_rt_gc_expire;
++ unsigned long ip6_rt_last_gc;
+ unsigned char flowlabel_has_excl;
+ #ifdef CONFIG_IPV6_MULTIPLE_TABLES
+ bool fib6_has_custom_rules;
+diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
+index 4ee233e5a6ffa..d1e282f0d6f18 100644
+--- a/include/scsi/libiscsi.h
++++ b/include/scsi/libiscsi.h
+@@ -52,8 +52,10 @@ enum {
+
+ #define ISID_SIZE 6
+
+-/* Connection suspend "bit" */
+-#define ISCSI_SUSPEND_BIT 1
++/* Connection flags */
++#define ISCSI_CONN_FLAG_SUSPEND_TX BIT(0)
++#define ISCSI_CONN_FLAG_SUSPEND_RX BIT(1)
++#define ISCSI_CONN_FLAG_BOUND BIT(2)
+
+ #define ISCSI_ITT_MASK 0x1fff
+ #define ISCSI_TOTAL_CMDS_MAX 4096
+@@ -199,8 +201,7 @@ struct iscsi_conn {
+ struct list_head cmdqueue; /* data-path cmd queue */
+ struct list_head requeue; /* tasks needing another run */
+ struct work_struct xmitwork; /* per-conn. xmit workqueue */
+- unsigned long suspend_tx; /* suspend Tx */
+- unsigned long suspend_rx; /* suspend Rx */
++ unsigned long flags; /* ISCSI_CONN_FLAGs */
+
+ /* negotiated params */
+ unsigned max_recv_dlength; /* initiator_max_recv_dsl*/
+diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
+index 037c77fb5dc55..3ecf9702287be 100644
+--- a/include/scsi/scsi_transport_iscsi.h
++++ b/include/scsi/scsi_transport_iscsi.h
+@@ -296,7 +296,7 @@ extern void iscsi_host_for_each_session(struct Scsi_Host *shost,
+ struct iscsi_endpoint {
+ void *dd_data; /* LLD private data */
+ struct device dev;
+- uint64_t id;
++ int id;
+ struct iscsi_cls_conn *conn;
+ };
+
+diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c
+index 8349a9f2c3453..9478eccd1c8e6 100644
+--- a/kernel/dma/mapping.c
++++ b/kernel/dma/mapping.c
+@@ -296,10 +296,6 @@ dma_addr_t dma_map_resource(struct device *dev, phys_addr_t phys_addr,
+ if (WARN_ON_ONCE(!dev->dma_mask))
+ return DMA_MAPPING_ERROR;
+
+- /* Don't allow RAM to be mapped */
+- if (WARN_ON_ONCE(pfn_valid(PHYS_PFN(phys_addr))))
+- return DMA_MAPPING_ERROR;
+-
+ if (dma_map_direct(dev, ops))
+ addr = dma_direct_map_resource(dev, phys_addr, size, dir, attrs);
+ else if (ops->map_resource)
+diff --git a/kernel/events/core.c b/kernel/events/core.c
+index 699446d60b6bf..7c891a8eb3234 100644
+--- a/kernel/events/core.c
++++ b/kernel/events/core.c
+@@ -6348,7 +6348,7 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma)
+ again:
+ mutex_lock(&event->mmap_mutex);
+ if (event->rb) {
+- if (event->rb->nr_pages != nr_pages) {
++ if (data_page_nr(event->rb) != nr_pages) {
+ ret = -EINVAL;
+ goto unlock;
+ }
+diff --git a/kernel/events/internal.h b/kernel/events/internal.h
+index 228801e207886..aa23ffdaf819f 100644
+--- a/kernel/events/internal.h
++++ b/kernel/events/internal.h
+@@ -116,6 +116,11 @@ static inline int page_order(struct perf_buffer *rb)
+ }
+ #endif
+
++static inline int data_page_nr(struct perf_buffer *rb)
++{
++ return rb->nr_pages << page_order(rb);
++}
++
+ static inline unsigned long perf_data_size(struct perf_buffer *rb)
+ {
+ return rb->nr_pages << (PAGE_SHIFT + page_order(rb));
+diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c
+index 52868716ec358..fb35b926024ca 100644
+--- a/kernel/events/ring_buffer.c
++++ b/kernel/events/ring_buffer.c
+@@ -859,11 +859,6 @@ void rb_free(struct perf_buffer *rb)
+ }
+
+ #else
+-static int data_page_nr(struct perf_buffer *rb)
+-{
+- return rb->nr_pages << page_order(rb);
+-}
+-
+ static struct page *
+ __perf_mmap_to_page(struct perf_buffer *rb, unsigned long pgoff)
+ {
+diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
+index 02766f3fe206b..9a4fa22a69edf 100644
+--- a/kernel/sched/fair.c
++++ b/kernel/sched/fair.c
+@@ -3794,11 +3794,11 @@ static void attach_entity_load_avg(struct cfs_rq *cfs_rq, struct sched_entity *s
+
+ se->avg.runnable_sum = se->avg.runnable_avg * divider;
+
+- se->avg.load_sum = divider;
+- if (se_weight(se)) {
+- se->avg.load_sum =
+- div_u64(se->avg.load_avg * se->avg.load_sum, se_weight(se));
+- }
++ se->avg.load_sum = se->avg.load_avg * divider;
++ if (se_weight(se) < se->avg.load_sum)
++ se->avg.load_sum = div_u64(se->avg.load_sum, se_weight(se));
++ else
++ se->avg.load_sum = 1;
+
+ enqueue_load_avg(cfs_rq, se);
+ cfs_rq->avg.util_avg += se->avg.util_avg;
+diff --git a/mm/kfence/core.c b/mm/kfence/core.c
+index 51ea9193cecb3..86260e8f28302 100644
+--- a/mm/kfence/core.c
++++ b/mm/kfence/core.c
+@@ -221,27 +221,6 @@ static bool kfence_unprotect(unsigned long addr)
+ return !KFENCE_WARN_ON(!kfence_protect_page(ALIGN_DOWN(addr, PAGE_SIZE), false));
+ }
+
+-static inline struct kfence_metadata *addr_to_metadata(unsigned long addr)
+-{
+- long index;
+-
+- /* The checks do not affect performance; only called from slow-paths. */
+-
+- if (!is_kfence_address((void *)addr))
+- return NULL;
+-
+- /*
+- * May be an invalid index if called with an address at the edge of
+- * __kfence_pool, in which case we would report an "invalid access"
+- * error.
+- */
+- index = (addr - (unsigned long)__kfence_pool) / (PAGE_SIZE * 2) - 1;
+- if (index < 0 || index >= CONFIG_KFENCE_NUM_OBJECTS)
+- return NULL;
+-
+- return &kfence_metadata[index];
+-}
+-
+ static inline unsigned long metadata_to_pageaddr(const struct kfence_metadata *meta)
+ {
+ unsigned long offset = (meta - kfence_metadata + 1) * PAGE_SIZE * 2;
+diff --git a/mm/kfence/kfence.h b/mm/kfence/kfence.h
+index 2a2d5de9d3791..92bf6eff6060d 100644
+--- a/mm/kfence/kfence.h
++++ b/mm/kfence/kfence.h
+@@ -93,6 +93,27 @@ struct kfence_metadata {
+
+ extern struct kfence_metadata kfence_metadata[CONFIG_KFENCE_NUM_OBJECTS];
+
++static inline struct kfence_metadata *addr_to_metadata(unsigned long addr)
++{
++ long index;
++
++ /* The checks do not affect performance; only called from slow-paths. */
++
++ if (!is_kfence_address((void *)addr))
++ return NULL;
++
++ /*
++ * May be an invalid index if called with an address at the edge of
++ * __kfence_pool, in which case we would report an "invalid access"
++ * error.
++ */
++ index = (addr - (unsigned long)__kfence_pool) / (PAGE_SIZE * 2) - 1;
++ if (index < 0 || index >= CONFIG_KFENCE_NUM_OBJECTS)
++ return NULL;
++
++ return &kfence_metadata[index];
++}
++
+ /* KFENCE error types for report generation. */
+ enum kfence_error_type {
+ KFENCE_ERROR_OOB, /* Detected a out-of-bounds access. */
+diff --git a/mm/kfence/report.c b/mm/kfence/report.c
+index f93a7b2a338be..37e140e7f201e 100644
+--- a/mm/kfence/report.c
++++ b/mm/kfence/report.c
+@@ -273,3 +273,50 @@ void kfence_report_error(unsigned long address, bool is_write, struct pt_regs *r
+ /* We encountered a memory safety error, taint the kernel! */
+ add_taint(TAINT_BAD_PAGE, LOCKDEP_STILL_OK);
+ }
++
++#ifdef CONFIG_PRINTK
++static void kfence_to_kp_stack(const struct kfence_track *track, void **kp_stack)
++{
++ int i, j;
++
++ i = get_stack_skipnr(track->stack_entries, track->num_stack_entries, NULL);
++ for (j = 0; i < track->num_stack_entries && j < KS_ADDRS_COUNT; ++i, ++j)
++ kp_stack[j] = (void *)track->stack_entries[i];
++ if (j < KS_ADDRS_COUNT)
++ kp_stack[j] = NULL;
++}
++
++bool __kfence_obj_info(struct kmem_obj_info *kpp, void *object, struct page *page)
++{
++ struct kfence_metadata *meta = addr_to_metadata((unsigned long)object);
++ unsigned long flags;
++
++ if (!meta)
++ return false;
++
++ /*
++ * If state is UNUSED at least show the pointer requested; the rest
++ * would be garbage data.
++ */
++ kpp->kp_ptr = object;
++
++ /* Requesting info an a never-used object is almost certainly a bug. */
++ if (WARN_ON(meta->state == KFENCE_OBJECT_UNUSED))
++ return true;
++
++ raw_spin_lock_irqsave(&meta->lock, flags);
++
++ kpp->kp_page = page;
++ kpp->kp_slab_cache = meta->cache;
++ kpp->kp_objp = (void *)meta->addr;
++ kfence_to_kp_stack(&meta->alloc_track, kpp->kp_stack);
++ if (meta->state == KFENCE_OBJECT_FREED)
++ kfence_to_kp_stack(&meta->free_track, kpp->kp_free_stack);
++ /* get_stack_skipnr() ensures the first entry is outside allocator. */
++ kpp->kp_ret = kpp->kp_stack[0];
++
++ raw_spin_unlock_irqrestore(&meta->lock, flags);
++
++ return true;
++}
++#endif
+diff --git a/mm/memcontrol.c b/mm/memcontrol.c
+index 8cdeb33d2cf9f..971546bb99e04 100644
+--- a/mm/memcontrol.c
++++ b/mm/memcontrol.c
+@@ -650,6 +650,9 @@ static DECLARE_DEFERRABLE_WORK(stats_flush_dwork, flush_memcg_stats_dwork);
+ static DEFINE_SPINLOCK(stats_flush_lock);
+ static DEFINE_PER_CPU(unsigned int, stats_updates);
+ static atomic_t stats_flush_threshold = ATOMIC_INIT(0);
++static u64 flush_next_time;
++
++#define FLUSH_TIME (2UL*HZ)
+
+ static inline void memcg_rstat_updated(struct mem_cgroup *memcg, int val)
+ {
+@@ -671,6 +674,7 @@ static void __mem_cgroup_flush_stats(void)
+ if (!spin_trylock_irqsave(&stats_flush_lock, flag))
+ return;
+
++ flush_next_time = jiffies_64 + 2*FLUSH_TIME;
+ cgroup_rstat_flush_irqsafe(root_mem_cgroup->css.cgroup);
+ atomic_set(&stats_flush_threshold, 0);
+ spin_unlock_irqrestore(&stats_flush_lock, flag);
+@@ -682,10 +686,16 @@ void mem_cgroup_flush_stats(void)
+ __mem_cgroup_flush_stats();
+ }
+
++void mem_cgroup_flush_stats_delayed(void)
++{
++ if (time_after64(jiffies_64, flush_next_time))
++ mem_cgroup_flush_stats();
++}
++
+ static void flush_memcg_stats_dwork(struct work_struct *w)
+ {
+ __mem_cgroup_flush_stats();
+- queue_delayed_work(system_unbound_wq, &stats_flush_dwork, 2UL*HZ);
++ queue_delayed_work(system_unbound_wq, &stats_flush_dwork, FLUSH_TIME);
+ }
+
+ /**
+diff --git a/mm/memory-failure.c b/mm/memory-failure.c
+index f66977a171966..e659a7ef5acff 100644
+--- a/mm/memory-failure.c
++++ b/mm/memory-failure.c
+@@ -1689,6 +1689,19 @@ try_again:
+ }
+
+ if (PageTransHuge(hpage)) {
++ /*
++ * Bail out before SetPageHasHWPoisoned() if hpage is
++ * huge_zero_page, although PG_has_hwpoisoned is not
++ * checked in set_huge_zero_page().
++ *
++ * TODO: Handle memory failure of huge_zero_page thoroughly.
++ */
++ if (is_huge_zero_page(hpage)) {
++ action_result(pfn, MF_MSG_UNSPLIT_THP, MF_IGNORED);
++ res = -EBUSY;
++ goto unlock_mutex;
++ }
++
+ /*
+ * The flag must be set after the refcount is bumped
+ * otherwise it may race with THP split.
+diff --git a/mm/mmap.c b/mm/mmap.c
+index 049b8e5c18f02..6bb553ed5c557 100644
+--- a/mm/mmap.c
++++ b/mm/mmap.c
+@@ -2113,14 +2113,6 @@ unsigned long vm_unmapped_area(struct vm_unmapped_area_info *info)
+ return addr;
+ }
+
+-#ifndef arch_get_mmap_end
+-#define arch_get_mmap_end(addr) (TASK_SIZE)
+-#endif
+-
+-#ifndef arch_get_mmap_base
+-#define arch_get_mmap_base(addr, base) (base)
+-#endif
+-
+ /* Get an address range which is currently unmapped.
+ * For shmat() with addr=0.
+ *
+diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c
+index 459d195d2ff64..f45ff1b7626a6 100644
+--- a/mm/mmu_notifier.c
++++ b/mm/mmu_notifier.c
+@@ -1036,6 +1036,18 @@ int mmu_interval_notifier_insert_locked(
+ }
+ EXPORT_SYMBOL_GPL(mmu_interval_notifier_insert_locked);
+
++static bool
++mmu_interval_seq_released(struct mmu_notifier_subscriptions *subscriptions,
++ unsigned long seq)
++{
++ bool ret;
++
++ spin_lock(&subscriptions->lock);
++ ret = subscriptions->invalidate_seq != seq;
++ spin_unlock(&subscriptions->lock);
++ return ret;
++}
++
+ /**
+ * mmu_interval_notifier_remove - Remove a interval notifier
+ * @interval_sub: Interval subscription to unregister
+@@ -1083,7 +1095,7 @@ void mmu_interval_notifier_remove(struct mmu_interval_notifier *interval_sub)
+ lock_map_release(&__mmu_notifier_invalidate_range_start_map);
+ if (seq)
+ wait_event(subscriptions->wq,
+- READ_ONCE(subscriptions->invalidate_seq) != seq);
++ mmu_interval_seq_released(subscriptions, seq));
+
+ /* pairs with mmgrab in mmu_interval_notifier_insert() */
+ mmdrop(mm);
+diff --git a/mm/oom_kill.c b/mm/oom_kill.c
+index bfa9e348c3a3a..262f752d3d516 100644
+--- a/mm/oom_kill.c
++++ b/mm/oom_kill.c
+@@ -635,7 +635,7 @@ done:
+ */
+ set_bit(MMF_OOM_SKIP, &mm->flags);
+
+- /* Drop a reference taken by wake_oom_reaper */
++ /* Drop a reference taken by queue_oom_reaper */
+ put_task_struct(tsk);
+ }
+
+@@ -645,12 +645,12 @@ static int oom_reaper(void *unused)
+ struct task_struct *tsk = NULL;
+
+ wait_event_freezable(oom_reaper_wait, oom_reaper_list != NULL);
+- spin_lock(&oom_reaper_lock);
++ spin_lock_irq(&oom_reaper_lock);
+ if (oom_reaper_list != NULL) {
+ tsk = oom_reaper_list;
+ oom_reaper_list = tsk->oom_reaper_list;
+ }
+- spin_unlock(&oom_reaper_lock);
++ spin_unlock_irq(&oom_reaper_lock);
+
+ if (tsk)
+ oom_reap_task(tsk);
+@@ -659,22 +659,48 @@ static int oom_reaper(void *unused)
+ return 0;
+ }
+
+-static void wake_oom_reaper(struct task_struct *tsk)
++static void wake_oom_reaper(struct timer_list *timer)
+ {
+- /* mm is already queued? */
+- if (test_and_set_bit(MMF_OOM_REAP_QUEUED, &tsk->signal->oom_mm->flags))
+- return;
++ struct task_struct *tsk = container_of(timer, struct task_struct,
++ oom_reaper_timer);
++ struct mm_struct *mm = tsk->signal->oom_mm;
++ unsigned long flags;
+
+- get_task_struct(tsk);
++ /* The victim managed to terminate on its own - see exit_mmap */
++ if (test_bit(MMF_OOM_SKIP, &mm->flags)) {
++ put_task_struct(tsk);
++ return;
++ }
+
+- spin_lock(&oom_reaper_lock);
++ spin_lock_irqsave(&oom_reaper_lock, flags);
+ tsk->oom_reaper_list = oom_reaper_list;
+ oom_reaper_list = tsk;
+- spin_unlock(&oom_reaper_lock);
++ spin_unlock_irqrestore(&oom_reaper_lock, flags);
+ trace_wake_reaper(tsk->pid);
+ wake_up(&oom_reaper_wait);
+ }
+
++/*
++ * Give the OOM victim time to exit naturally before invoking the oom_reaping.
++ * The timers timeout is arbitrary... the longer it is, the longer the worst
++ * case scenario for the OOM can take. If it is too small, the oom_reaper can
++ * get in the way and release resources needed by the process exit path.
++ * e.g. The futex robust list can sit in Anon|Private memory that gets reaped
++ * before the exit path is able to wake the futex waiters.
++ */
++#define OOM_REAPER_DELAY (2*HZ)
++static void queue_oom_reaper(struct task_struct *tsk)
++{
++ /* mm is already queued? */
++ if (test_and_set_bit(MMF_OOM_REAP_QUEUED, &tsk->signal->oom_mm->flags))
++ return;
++
++ get_task_struct(tsk);
++ timer_setup(&tsk->oom_reaper_timer, wake_oom_reaper, 0);
++ tsk->oom_reaper_timer.expires = jiffies + OOM_REAPER_DELAY;
++ add_timer(&tsk->oom_reaper_timer);
++}
++
+ static int __init oom_init(void)
+ {
+ oom_reaper_th = kthread_run(oom_reaper, NULL, "oom_reaper");
+@@ -682,7 +708,7 @@ static int __init oom_init(void)
+ }
+ subsys_initcall(oom_init)
+ #else
+-static inline void wake_oom_reaper(struct task_struct *tsk)
++static inline void queue_oom_reaper(struct task_struct *tsk)
+ {
+ }
+ #endif /* CONFIG_MMU */
+@@ -933,7 +959,7 @@ static void __oom_kill_process(struct task_struct *victim, const char *message)
+ rcu_read_unlock();
+
+ if (can_oom_reap)
+- wake_oom_reaper(victim);
++ queue_oom_reaper(victim);
+
+ mmdrop(mm);
+ put_task_struct(victim);
+@@ -969,7 +995,7 @@ static void oom_kill_process(struct oom_control *oc, const char *message)
+ task_lock(victim);
+ if (task_will_free_mem(victim)) {
+ mark_oom_victim(victim);
+- wake_oom_reaper(victim);
++ queue_oom_reaper(victim);
+ task_unlock(victim);
+ put_task_struct(victim);
+ return;
+@@ -1067,7 +1093,7 @@ bool out_of_memory(struct oom_control *oc)
+ */
+ if (task_will_free_mem(current)) {
+ mark_oom_victim(current);
+- wake_oom_reaper(current);
++ queue_oom_reaper(current);
+ return true;
+ }
+
+diff --git a/mm/page_alloc.c b/mm/page_alloc.c
+index a373cd6326b04..47c22810c3c5f 100644
+--- a/mm/page_alloc.c
++++ b/mm/page_alloc.c
+@@ -8169,7 +8169,7 @@ void __init mem_init_print_info(void)
+ */
+ #define adj_init_size(start, end, size, pos, adj) \
+ do { \
+- if (start <= pos && pos < end && size > adj) \
++ if (&start[0] <= &pos[0] && &pos[0] < &end[0] && size > adj) \
+ size -= adj; \
+ } while (0)
+
+diff --git a/mm/slab.c b/mm/slab.c
+index 03d3074d0bb07..1bd283e98c58c 100644
+--- a/mm/slab.c
++++ b/mm/slab.c
+@@ -3658,7 +3658,7 @@ EXPORT_SYMBOL(__kmalloc_node_track_caller);
+ #endif /* CONFIG_NUMA */
+
+ #ifdef CONFIG_PRINTK
+-void kmem_obj_info(struct kmem_obj_info *kpp, void *object, struct page *page)
++void __kmem_obj_info(struct kmem_obj_info *kpp, void *object, struct page *page)
+ {
+ struct kmem_cache *cachep;
+ unsigned int objnr;
+diff --git a/mm/slab.h b/mm/slab.h
+index 56ad7eea3ddfb..1ae1bdd485c17 100644
+--- a/mm/slab.h
++++ b/mm/slab.h
+@@ -643,7 +643,7 @@ struct kmem_obj_info {
+ void *kp_stack[KS_ADDRS_COUNT];
+ void *kp_free_stack[KS_ADDRS_COUNT];
+ };
+-void kmem_obj_info(struct kmem_obj_info *kpp, void *object, struct page *page);
++void __kmem_obj_info(struct kmem_obj_info *kpp, void *object, struct page *page);
+ #endif
+
+ #endif /* MM_SLAB_H */
+diff --git a/mm/slab_common.c b/mm/slab_common.c
+index ec2bb0beed757..022319e7deaf7 100644
+--- a/mm/slab_common.c
++++ b/mm/slab_common.c
+@@ -568,6 +568,13 @@ bool kmem_valid_obj(void *object)
+ }
+ EXPORT_SYMBOL_GPL(kmem_valid_obj);
+
++static void kmem_obj_info(struct kmem_obj_info *kpp, void *object, struct page *page)
++{
++ if (__kfence_obj_info(kpp, object, page))
++ return;
++ __kmem_obj_info(kpp, object, page);
++}
++
+ /**
+ * kmem_dump_obj - Print available slab provenance information
+ * @object: slab object for which to find provenance information.
+@@ -603,6 +610,8 @@ void kmem_dump_obj(void *object)
+ pr_cont(" slab%s %s", cp, kp.kp_slab_cache->name);
+ else
+ pr_cont(" slab%s", cp);
++ if (is_kfence_address(object))
++ pr_cont(" (kfence)");
+ if (kp.kp_objp)
+ pr_cont(" start %px", kp.kp_objp);
+ if (kp.kp_data_offset)
+diff --git a/mm/slob.c b/mm/slob.c
+index 74d3f6e60666e..f3fc15df971af 100644
+--- a/mm/slob.c
++++ b/mm/slob.c
+@@ -462,7 +462,7 @@ out:
+ }
+
+ #ifdef CONFIG_PRINTK
+-void kmem_obj_info(struct kmem_obj_info *kpp, void *object, struct page *page)
++void __kmem_obj_info(struct kmem_obj_info *kpp, void *object, struct page *page)
+ {
+ kpp->kp_ptr = object;
+ kpp->kp_page = page;
+diff --git a/mm/slub.c b/mm/slub.c
+index ca6ba6bdf27b1..b75eebc0350e7 100644
+--- a/mm/slub.c
++++ b/mm/slub.c
+@@ -4299,7 +4299,7 @@ int __kmem_cache_shutdown(struct kmem_cache *s)
+ }
+
+ #ifdef CONFIG_PRINTK
+-void kmem_obj_info(struct kmem_obj_info *kpp, void *object, struct page *page)
++void __kmem_obj_info(struct kmem_obj_info *kpp, void *object, struct page *page)
+ {
+ void *base;
+ int __maybe_unused i;
+diff --git a/mm/workingset.c b/mm/workingset.c
+index d5b81e4f4cbe8..880d882f3325f 100644
+--- a/mm/workingset.c
++++ b/mm/workingset.c
+@@ -352,7 +352,7 @@ void workingset_refault(struct page *page, void *shadow)
+
+ inc_lruvec_state(lruvec, WORKINGSET_REFAULT_BASE + file);
+
+- mem_cgroup_flush_stats();
++ mem_cgroup_flush_stats_delayed();
+ /*
+ * Compare the distance to the existing workingset size. We
+ * don't activate pages that couldn't stay resident even if
+diff --git a/net/can/isotp.c b/net/can/isotp.c
+index 5bce7c66c1219..8c753dcefe7fc 100644
+--- a/net/can/isotp.c
++++ b/net/can/isotp.c
+@@ -866,6 +866,7 @@ static int isotp_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
+ struct canfd_frame *cf;
+ int ae = (so->opt.flags & CAN_ISOTP_EXTEND_ADDR) ? 1 : 0;
+ int wait_tx_done = (so->opt.flags & CAN_ISOTP_WAIT_TX_DONE) ? 1 : 0;
++ s64 hrtimer_sec = 0;
+ int off;
+ int err;
+
+@@ -964,7 +965,9 @@ static int isotp_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
+ isotp_create_fframe(cf, so, ae);
+
+ /* start timeout for FC */
+- hrtimer_start(&so->txtimer, ktime_set(1, 0), HRTIMER_MODE_REL_SOFT);
++ hrtimer_sec = 1;
++ hrtimer_start(&so->txtimer, ktime_set(hrtimer_sec, 0),
++ HRTIMER_MODE_REL_SOFT);
+ }
+
+ /* send the first or only CAN frame */
+@@ -977,6 +980,11 @@ static int isotp_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
+ if (err) {
+ pr_notice_once("can-isotp: %s: can_send_ret %pe\n",
+ __func__, ERR_PTR(err));
++
++ /* no transmission -> no timeout monitoring */
++ if (hrtimer_sec)
++ hrtimer_cancel(&so->txtimer);
++
+ goto err_out_drop;
+ }
+
+diff --git a/net/dsa/tag_hellcreek.c b/net/dsa/tag_hellcreek.c
+index f64b805303cd7..eb204ad36eeec 100644
+--- a/net/dsa/tag_hellcreek.c
++++ b/net/dsa/tag_hellcreek.c
+@@ -21,6 +21,14 @@ static struct sk_buff *hellcreek_xmit(struct sk_buff *skb,
+ struct dsa_port *dp = dsa_slave_to_port(dev);
+ u8 *tag;
+
++ /* Calculate checksums (if required) before adding the trailer tag to
++ * avoid including it in calculations. That would lead to wrong
++ * checksums after the switch strips the tag.
++ */
++ if (skb->ip_summed == CHECKSUM_PARTIAL &&
++ skb_checksum_help(skb))
++ return NULL;
++
+ /* Tag encoding */
+ tag = skb_put(skb, HELLCREEK_TAG_LEN);
+ *tag = BIT(dp->index);
+diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
+index 70e6c87fbe3df..d747166bb291c 100644
+--- a/net/ipv4/esp4.c
++++ b/net/ipv4/esp4.c
+@@ -446,7 +446,6 @@ int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *
+ struct page *page;
+ struct sk_buff *trailer;
+ int tailen = esp->tailen;
+- unsigned int allocsz;
+
+ /* this is non-NULL only with TCP/UDP Encapsulation */
+ if (x->encap) {
+@@ -456,8 +455,8 @@ int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *
+ return err;
+ }
+
+- allocsz = ALIGN(skb->data_len + tailen, L1_CACHE_BYTES);
+- if (allocsz > ESP_SKB_FRAG_MAXSIZE)
++ if (ALIGN(tailen, L1_CACHE_BYTES) > PAGE_SIZE ||
++ ALIGN(skb->data_len, L1_CACHE_BYTES) > PAGE_SIZE)
+ goto cow;
+
+ if (!skb_cloned(skb)) {
+diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
+index 5023f59a5b968..6219d97cac7a3 100644
+--- a/net/ipv6/esp6.c
++++ b/net/ipv6/esp6.c
+@@ -483,7 +483,6 @@ int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
+ struct page *page;
+ struct sk_buff *trailer;
+ int tailen = esp->tailen;
+- unsigned int allocsz;
+
+ if (x->encap) {
+ int err = esp6_output_encap(x, skb, esp);
+@@ -492,8 +491,8 @@ int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
+ return err;
+ }
+
+- allocsz = ALIGN(skb->data_len + tailen, L1_CACHE_BYTES);
+- if (allocsz > ESP_SKB_FRAG_MAXSIZE)
++ if (ALIGN(tailen, L1_CACHE_BYTES) > PAGE_SIZE ||
++ ALIGN(skb->data_len, L1_CACHE_BYTES) > PAGE_SIZE)
+ goto cow;
+
+ if (!skb_cloned(skb)) {
+diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
+index 466a5610e3ca9..869c3337e319d 100644
+--- a/net/ipv6/ip6_gre.c
++++ b/net/ipv6/ip6_gre.c
+@@ -733,9 +733,6 @@ static netdev_tx_t __gre6_xmit(struct sk_buff *skb,
+ else
+ fl6->daddr = tunnel->parms.raddr;
+
+- if (skb_cow_head(skb, dev->needed_headroom ?: tunnel->hlen))
+- return -ENOMEM;
+-
+ /* Push GRE header. */
+ protocol = (dev->type == ARPHRD_ETHER) ? htons(ETH_P_TEB) : proto;
+
+@@ -743,6 +740,7 @@ static netdev_tx_t __gre6_xmit(struct sk_buff *skb,
+ struct ip_tunnel_info *tun_info;
+ const struct ip_tunnel_key *key;
+ __be16 flags;
++ int tun_hlen;
+
+ tun_info = skb_tunnel_info_txcheck(skb);
+ if (IS_ERR(tun_info) ||
+@@ -760,9 +758,12 @@ static netdev_tx_t __gre6_xmit(struct sk_buff *skb,
+ dsfield = key->tos;
+ flags = key->tun_flags &
+ (TUNNEL_CSUM | TUNNEL_KEY | TUNNEL_SEQ);
+- tunnel->tun_hlen = gre_calc_hlen(flags);
++ tun_hlen = gre_calc_hlen(flags);
+
+- gre_build_header(skb, tunnel->tun_hlen,
++ if (skb_cow_head(skb, dev->needed_headroom ?: tun_hlen + tunnel->encap_hlen))
++ return -ENOMEM;
++
++ gre_build_header(skb, tun_hlen,
+ flags, protocol,
+ tunnel_id_to_key32(tun_info->key.tun_id),
+ (flags & TUNNEL_SEQ) ? htonl(tunnel->o_seqno++)
+@@ -772,6 +773,9 @@ static netdev_tx_t __gre6_xmit(struct sk_buff *skb,
+ if (tunnel->parms.o_flags & TUNNEL_SEQ)
+ tunnel->o_seqno++;
+
++ if (skb_cow_head(skb, dev->needed_headroom ?: tunnel->hlen))
++ return -ENOMEM;
++
+ gre_build_header(skb, tunnel->tun_hlen, tunnel->parms.o_flags,
+ protocol, tunnel->parms.o_key,
+ htonl(tunnel->o_seqno));
+diff --git a/net/ipv6/route.c b/net/ipv6/route.c
+index 6b269595efaa2..0ca7c780d97a2 100644
+--- a/net/ipv6/route.c
++++ b/net/ipv6/route.c
+@@ -3303,6 +3303,7 @@ static int ip6_dst_gc(struct dst_ops *ops)
+ int rt_elasticity = net->ipv6.sysctl.ip6_rt_gc_elasticity;
+ int rt_gc_timeout = net->ipv6.sysctl.ip6_rt_gc_timeout;
+ unsigned long rt_last_gc = net->ipv6.ip6_rt_last_gc;
++ unsigned int val;
+ int entries;
+
+ entries = dst_entries_get_fast(ops);
+@@ -3313,13 +3314,13 @@ static int ip6_dst_gc(struct dst_ops *ops)
+ entries <= rt_max_size)
+ goto out;
+
+- net->ipv6.ip6_rt_gc_expire++;
+- fib6_run_gc(net->ipv6.ip6_rt_gc_expire, net, true);
++ fib6_run_gc(atomic_inc_return(&net->ipv6.ip6_rt_gc_expire), net, true);
+ entries = dst_entries_get_slow(ops);
+ if (entries < ops->gc_thresh)
+- net->ipv6.ip6_rt_gc_expire = rt_gc_timeout>>1;
++ atomic_set(&net->ipv6.ip6_rt_gc_expire, rt_gc_timeout >> 1);
+ out:
+- net->ipv6.ip6_rt_gc_expire -= net->ipv6.ip6_rt_gc_expire>>rt_elasticity;
++ val = atomic_read(&net->ipv6.ip6_rt_gc_expire);
++ atomic_set(&net->ipv6.ip6_rt_gc_expire, val - (val >> rt_elasticity));
+ return entries > rt_max_size;
+ }
+
+@@ -6528,7 +6529,7 @@ static int __net_init ip6_route_net_init(struct net *net)
+ net->ipv6.sysctl.ip6_rt_min_advmss = IPV6_MIN_MTU - 20 - 40;
+ net->ipv6.sysctl.skip_notify_on_dev_down = 0;
+
+- net->ipv6.ip6_rt_gc_expire = 30*HZ;
++ atomic_set(&net->ipv6.ip6_rt_gc_expire, 30*HZ);
+
+ ret = 0;
+ out:
+diff --git a/net/l3mdev/l3mdev.c b/net/l3mdev/l3mdev.c
+index 17927966abb33..8b14a24f10404 100644
+--- a/net/l3mdev/l3mdev.c
++++ b/net/l3mdev/l3mdev.c
+@@ -147,7 +147,7 @@ int l3mdev_master_upper_ifindex_by_index_rcu(struct net *net, int ifindex)
+
+ dev = dev_get_by_index_rcu(net, ifindex);
+ while (dev && !netif_is_l3_master(dev))
+- dev = netdev_master_upper_dev_get(dev);
++ dev = netdev_master_upper_dev_get_rcu(dev);
+
+ return dev ? dev->ifindex : 0;
+ }
+diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
+index 3a98a1316307c..31399c53dfb13 100644
+--- a/net/netfilter/nf_conntrack_core.c
++++ b/net/netfilter/nf_conntrack_core.c
+@@ -571,7 +571,7 @@ static void nf_ct_del_from_dying_or_unconfirmed_list(struct nf_conn *ct)
+
+ #define NFCT_ALIGN(len) (((len) + NFCT_INFOMASK) & ~NFCT_INFOMASK)
+
+-/* Released via destroy_conntrack() */
++/* Released via nf_ct_destroy() */
+ struct nf_conn *nf_ct_tmpl_alloc(struct net *net,
+ const struct nf_conntrack_zone *zone,
+ gfp_t flags)
+@@ -598,7 +598,7 @@ struct nf_conn *nf_ct_tmpl_alloc(struct net *net,
+ tmpl->status = IPS_TEMPLATE;
+ write_pnet(&tmpl->ct_net, net);
+ nf_ct_zone_add(tmpl, zone);
+- atomic_set(&tmpl->ct_general.use, 0);
++ refcount_set(&tmpl->ct_general.use, 1);
+
+ return tmpl;
+ }
+@@ -625,13 +625,12 @@ static void destroy_gre_conntrack(struct nf_conn *ct)
+ #endif
+ }
+
+-static void
+-destroy_conntrack(struct nf_conntrack *nfct)
++void nf_ct_destroy(struct nf_conntrack *nfct)
+ {
+ struct nf_conn *ct = (struct nf_conn *)nfct;
+
+- pr_debug("destroy_conntrack(%p)\n", ct);
+- WARN_ON(atomic_read(&nfct->use) != 0);
++ pr_debug("%s(%p)\n", __func__, ct);
++ WARN_ON(refcount_read(&nfct->use) != 0);
+
+ if (unlikely(nf_ct_is_template(ct))) {
+ nf_ct_tmpl_free(ct);
+@@ -656,9 +655,10 @@ destroy_conntrack(struct nf_conntrack *nfct)
+ if (ct->master)
+ nf_ct_put(ct->master);
+
+- pr_debug("destroy_conntrack: returning ct=%p to slab\n", ct);
++ pr_debug("%s: returning ct=%p to slab\n", __func__, ct);
+ nf_conntrack_free(ct);
+ }
++EXPORT_SYMBOL(nf_ct_destroy);
+
+ static void nf_ct_delete_from_lists(struct nf_conn *ct)
+ {
+@@ -755,7 +755,7 @@ nf_ct_match(const struct nf_conn *ct1, const struct nf_conn *ct2)
+ /* caller must hold rcu readlock and none of the nf_conntrack_locks */
+ static void nf_ct_gc_expired(struct nf_conn *ct)
+ {
+- if (!atomic_inc_not_zero(&ct->ct_general.use))
++ if (!refcount_inc_not_zero(&ct->ct_general.use))
+ return;
+
+ if (nf_ct_should_gc(ct))
+@@ -823,7 +823,7 @@ __nf_conntrack_find_get(struct net *net, const struct nf_conntrack_zone *zone,
+ * in, try to obtain a reference and re-check tuple
+ */
+ ct = nf_ct_tuplehash_to_ctrack(h);
+- if (likely(atomic_inc_not_zero(&ct->ct_general.use))) {
++ if (likely(refcount_inc_not_zero(&ct->ct_general.use))) {
+ if (likely(nf_ct_key_equal(h, tuple, zone, net)))
+ goto found;
+
+@@ -920,7 +920,7 @@ nf_conntrack_hash_check_insert(struct nf_conn *ct)
+
+ smp_wmb();
+ /* The caller holds a reference to this object */
+- atomic_set(&ct->ct_general.use, 2);
++ refcount_set(&ct->ct_general.use, 2);
+ __nf_conntrack_hash_insert(ct, hash, reply_hash);
+ nf_conntrack_double_unlock(hash, reply_hash);
+ NF_CT_STAT_INC(net, insert);
+@@ -971,7 +971,7 @@ static void __nf_conntrack_insert_prepare(struct nf_conn *ct)
+ {
+ struct nf_conn_tstamp *tstamp;
+
+- atomic_inc(&ct->ct_general.use);
++ refcount_inc(&ct->ct_general.use);
+ ct->status |= IPS_CONFIRMED;
+
+ /* set conntrack timestamp, if enabled. */
+@@ -1364,7 +1364,7 @@ static unsigned int early_drop_list(struct net *net,
+ nf_ct_is_dying(tmp))
+ continue;
+
+- if (!atomic_inc_not_zero(&tmp->ct_general.use))
++ if (!refcount_inc_not_zero(&tmp->ct_general.use))
+ continue;
+
+ /* kill only if still in same netns -- might have moved due to
+@@ -1513,7 +1513,7 @@ static void gc_worker(struct work_struct *work)
+ continue;
+
+ /* need to take reference to avoid possible races */
+- if (!atomic_inc_not_zero(&tmp->ct_general.use))
++ if (!refcount_inc_not_zero(&tmp->ct_general.use))
+ continue;
+
+ if (gc_worker_skip_ct(tmp)) {
+@@ -1622,7 +1622,7 @@ __nf_conntrack_alloc(struct net *net,
+ /* Because we use RCU lookups, we set ct_general.use to zero before
+ * this is inserted in any list.
+ */
+- atomic_set(&ct->ct_general.use, 0);
++ refcount_set(&ct->ct_general.use, 0);
+ return ct;
+ out:
+ atomic_dec(&cnet->count);
+@@ -1647,7 +1647,7 @@ void nf_conntrack_free(struct nf_conn *ct)
+ /* A freed object has refcnt == 0, that's
+ * the golden rule for SLAB_TYPESAFE_BY_RCU
+ */
+- WARN_ON(atomic_read(&ct->ct_general.use) != 0);
++ WARN_ON(refcount_read(&ct->ct_general.use) != 0);
+
+ nf_ct_ext_destroy(ct);
+ kmem_cache_free(nf_conntrack_cachep, ct);
+@@ -1739,8 +1739,8 @@ init_conntrack(struct net *net, struct nf_conn *tmpl,
+ if (!exp)
+ __nf_ct_try_assign_helper(ct, tmpl, GFP_ATOMIC);
+
+- /* Now it is inserted into the unconfirmed list, bump refcount */
+- nf_conntrack_get(&ct->ct_general);
++ /* Now it is inserted into the unconfirmed list, set refcount to 1. */
++ refcount_set(&ct->ct_general.use, 1);
+ nf_ct_add_to_unconfirmed_list(ct);
+
+ local_bh_enable();
+@@ -2352,7 +2352,7 @@ get_next_corpse(int (*iter)(struct nf_conn *i, void *data),
+
+ return NULL;
+ found:
+- atomic_inc(&ct->ct_general.use);
++ refcount_inc(&ct->ct_general.use);
+ spin_unlock(lockp);
+ local_bh_enable();
+ return ct;
+@@ -2825,7 +2825,7 @@ err_cachep:
+
+ static struct nf_ct_hook nf_conntrack_hook = {
+ .update = nf_conntrack_update,
+- .destroy = destroy_conntrack,
++ .destroy = nf_ct_destroy,
+ .get_tuple_skb = nf_conntrack_get_tuple_skb,
+ };
+
+diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c
+index f562eeef42349..6d056ebba57c6 100644
+--- a/net/netfilter/nf_conntrack_expect.c
++++ b/net/netfilter/nf_conntrack_expect.c
+@@ -203,12 +203,12 @@ nf_ct_find_expectation(struct net *net,
+ * about to invoke ->destroy(), or nf_ct_delete() via timeout
+ * or early_drop().
+ *
+- * The atomic_inc_not_zero() check tells: If that fails, we
++ * The refcount_inc_not_zero() check tells: If that fails, we
+ * know that the ct is being destroyed. If it succeeds, we
+ * can be sure the ct cannot disappear underneath.
+ */
+ if (unlikely(nf_ct_is_dying(exp->master) ||
+- !atomic_inc_not_zero(&exp->master->ct_general.use)))
++ !refcount_inc_not_zero(&exp->master->ct_general.use)))
+ return NULL;
+
+ if (exp->flags & NF_CT_EXPECT_PERMANENT) {
+diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
+index 1c02be04aaf5c..ef0a78aa9ba9e 100644
+--- a/net/netfilter/nf_conntrack_netlink.c
++++ b/net/netfilter/nf_conntrack_netlink.c
+@@ -508,7 +508,7 @@ nla_put_failure:
+
+ static int ctnetlink_dump_use(struct sk_buff *skb, const struct nf_conn *ct)
+ {
+- if (nla_put_be32(skb, CTA_USE, htonl(atomic_read(&ct->ct_general.use))))
++ if (nla_put_be32(skb, CTA_USE, htonl(refcount_read(&ct->ct_general.use))))
+ goto nla_put_failure;
+ return 0;
+
+@@ -1200,7 +1200,7 @@ restart:
+ ct = nf_ct_tuplehash_to_ctrack(h);
+ if (nf_ct_is_expired(ct)) {
+ if (i < ARRAY_SIZE(nf_ct_evict) &&
+- atomic_inc_not_zero(&ct->ct_general.use))
++ refcount_inc_not_zero(&ct->ct_general.use))
+ nf_ct_evict[i++] = ct;
+ continue;
+ }
+@@ -1748,7 +1748,7 @@ restart:
+ NFNL_MSG_TYPE(cb->nlh->nlmsg_type),
+ ct, dying ? true : false, 0);
+ if (res < 0) {
+- if (!atomic_inc_not_zero(&ct->ct_general.use))
++ if (!refcount_inc_not_zero(&ct->ct_general.use))
+ continue;
+ cb->args[0] = cpu;
+ cb->args[1] = (unsigned long)ct;
+diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
+index 80f675d884b26..3e1afd10a9b60 100644
+--- a/net/netfilter/nf_conntrack_standalone.c
++++ b/net/netfilter/nf_conntrack_standalone.c
+@@ -303,7 +303,7 @@ static int ct_seq_show(struct seq_file *s, void *v)
+ int ret = 0;
+
+ WARN_ON(!ct);
+- if (unlikely(!atomic_inc_not_zero(&ct->ct_general.use)))
++ if (unlikely(!refcount_inc_not_zero(&ct->ct_general.use)))
+ return 0;
+
+ if (nf_ct_should_gc(ct)) {
+@@ -370,7 +370,7 @@ static int ct_seq_show(struct seq_file *s, void *v)
+ ct_show_zone(s, ct, NF_CT_DEFAULT_ZONE_DIR);
+ ct_show_delta_time(s, ct);
+
+- seq_printf(s, "use=%u\n", atomic_read(&ct->ct_general.use));
++ seq_printf(s, "use=%u\n", refcount_read(&ct->ct_general.use));
+
+ if (seq_has_overflowed(s))
+ goto release;
+diff --git a/net/netfilter/nf_flow_table_core.c b/net/netfilter/nf_flow_table_core.c
+index ed37bb9b4e588..b90eca7a2f22b 100644
+--- a/net/netfilter/nf_flow_table_core.c
++++ b/net/netfilter/nf_flow_table_core.c
+@@ -48,7 +48,7 @@ struct flow_offload *flow_offload_alloc(struct nf_conn *ct)
+ struct flow_offload *flow;
+
+ if (unlikely(nf_ct_is_dying(ct) ||
+- !atomic_inc_not_zero(&ct->ct_general.use)))
++ !refcount_inc_not_zero(&ct->ct_general.use)))
+ return NULL;
+
+ flow = kzalloc(sizeof(*flow), GFP_ATOMIC);
+diff --git a/net/netfilter/nf_synproxy_core.c b/net/netfilter/nf_synproxy_core.c
+index 3d6d49420db8b..2dfc5dae06563 100644
+--- a/net/netfilter/nf_synproxy_core.c
++++ b/net/netfilter/nf_synproxy_core.c
+@@ -349,7 +349,6 @@ static int __net_init synproxy_net_init(struct net *net)
+ goto err2;
+
+ __set_bit(IPS_CONFIRMED_BIT, &ct->status);
+- nf_conntrack_get(&ct->ct_general);
+ snet->tmpl = ct;
+
+ snet->stats = alloc_percpu(struct synproxy_stats);
+diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c
+index 54ecb9fbf2de6..9c7472af9e4a1 100644
+--- a/net/netfilter/nft_ct.c
++++ b/net/netfilter/nft_ct.c
+@@ -259,10 +259,13 @@ static void nft_ct_set_zone_eval(const struct nft_expr *expr,
+
+ ct = this_cpu_read(nft_ct_pcpu_template);
+
+- if (likely(atomic_read(&ct->ct_general.use) == 1)) {
++ if (likely(refcount_read(&ct->ct_general.use) == 1)) {
++ refcount_inc(&ct->ct_general.use);
+ nf_ct_zone_add(ct, &zone);
+ } else {
+- /* previous skb got queued to userspace */
++ /* previous skb got queued to userspace, allocate temporary
++ * one until percpu template can be reused.
++ */
+ ct = nf_ct_tmpl_alloc(nft_net(pkt), &zone, GFP_ATOMIC);
+ if (!ct) {
+ regs->verdict.code = NF_DROP;
+@@ -270,7 +273,6 @@ static void nft_ct_set_zone_eval(const struct nft_expr *expr,
+ }
+ }
+
+- atomic_inc(&ct->ct_general.use);
+ nf_ct_set(skb, ct, IP_CT_NEW);
+ }
+ #endif
+@@ -375,7 +377,6 @@ static bool nft_ct_tmpl_alloc_pcpu(void)
+ return false;
+ }
+
+- atomic_set(&tmp->ct_general.use, 1);
+ per_cpu(nft_ct_pcpu_template, cpu) = tmp;
+ }
+
+diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
+index 0a913ce07425a..267757b0392a6 100644
+--- a/net/netfilter/xt_CT.c
++++ b/net/netfilter/xt_CT.c
+@@ -24,7 +24,7 @@ static inline int xt_ct_target(struct sk_buff *skb, struct nf_conn *ct)
+ return XT_CONTINUE;
+
+ if (ct) {
+- atomic_inc(&ct->ct_general.use);
++ refcount_inc(&ct->ct_general.use);
+ nf_ct_set(skb, ct, IP_CT_NEW);
+ } else {
+ nf_ct_set(skb, ct, IP_CT_UNTRACKED);
+@@ -201,7 +201,6 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par,
+ goto err4;
+ }
+ __set_bit(IPS_CONFIRMED_BIT, &ct->status);
+- nf_conntrack_get(&ct->ct_general);
+ out:
+ info->ct = ct;
+ return 0;
+diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
+index 83ca93b32f5f7..fb7f7b17c78c0 100644
+--- a/net/netlink/af_netlink.c
++++ b/net/netlink/af_netlink.c
+@@ -2284,6 +2284,13 @@ static int netlink_dump(struct sock *sk)
+ * single netdev. The outcome is MSG_TRUNC error.
+ */
+ skb_reserve(skb, skb_tailroom(skb) - alloc_size);
++
++ /* Make sure malicious BPF programs can not read unitialized memory
++ * from skb->head -> skb->data
++ */
++ skb_reset_network_header(skb);
++ skb_reset_mac_header(skb);
++
+ netlink_skb_set_owner_r(skb, sk);
+
+ if (nlk->dump_done_errno > 0) {
+diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
+index f2b64cab9af70..815916056e0de 100644
+--- a/net/openvswitch/conntrack.c
++++ b/net/openvswitch/conntrack.c
+@@ -1722,7 +1722,6 @@ int ovs_ct_copy_action(struct net *net, const struct nlattr *attr,
+ goto err_free_ct;
+
+ __set_bit(IPS_CONFIRMED_BIT, &ct_info.ct->status);
+- nf_conntrack_get(&ct_info.ct->ct_general);
+ return 0;
+ err_free_ct:
+ __ovs_ct_free_action(&ct_info);
+diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c
+index c591b923016a6..d77c21ff066c9 100644
+--- a/net/openvswitch/flow_netlink.c
++++ b/net/openvswitch/flow_netlink.c
+@@ -2436,7 +2436,7 @@ static struct nlattr *reserve_sfa_size(struct sw_flow_actions **sfa,
+ new_acts_size = max(next_offset + req_size, ksize(*sfa) * 2);
+
+ if (new_acts_size > MAX_ACTIONS_BUFSIZE) {
+- if ((MAX_ACTIONS_BUFSIZE - next_offset) < req_size) {
++ if ((next_offset + req_size) > MAX_ACTIONS_BUFSIZE) {
+ OVS_NLERR(log, "Flow action size exceeds max %u",
+ MAX_ACTIONS_BUFSIZE);
+ return ERR_PTR(-EMSGSIZE);
+diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
+index c0d4a65931de5..88c3b5cf8d94c 100644
+--- a/net/packet/af_packet.c
++++ b/net/packet/af_packet.c
+@@ -2820,8 +2820,9 @@ tpacket_error:
+
+ status = TP_STATUS_SEND_REQUEST;
+ err = po->xmit(skb);
+- if (unlikely(err > 0)) {
+- err = net_xmit_errno(err);
++ if (unlikely(err != 0)) {
++ if (err > 0)
++ err = net_xmit_errno(err);
+ if (err && __packet_get_status(po, ph) ==
+ TP_STATUS_AVAILABLE) {
+ /* skb was destructed already */
+@@ -3022,8 +3023,12 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
+ skb->no_fcs = 1;
+
+ err = po->xmit(skb);
+- if (err > 0 && (err = net_xmit_errno(err)) != 0)
+- goto out_unlock;
++ if (unlikely(err != 0)) {
++ if (err > 0)
++ err = net_xmit_errno(err);
++ if (err)
++ goto out_unlock;
++ }
+
+ dev_put(dev);
+
+diff --git a/net/rxrpc/net_ns.c b/net/rxrpc/net_ns.c
+index f15d6942da453..cc7e30733feb0 100644
+--- a/net/rxrpc/net_ns.c
++++ b/net/rxrpc/net_ns.c
+@@ -113,7 +113,9 @@ static __net_exit void rxrpc_exit_net(struct net *net)
+ struct rxrpc_net *rxnet = rxrpc_net(net);
+
+ rxnet->live = false;
++ del_timer_sync(&rxnet->peer_keepalive_timer);
+ cancel_work_sync(&rxnet->peer_keepalive_work);
++ /* Remove the timer again as the worker may have restarted it. */
+ del_timer_sync(&rxnet->peer_keepalive_timer);
+ rxrpc_destroy_all_calls(rxnet);
+ rxrpc_destroy_all_connections(rxnet);
+diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c
+index 553bf41671a65..f4fd584fba08a 100644
+--- a/net/sched/act_ct.c
++++ b/net/sched/act_ct.c
+@@ -1232,7 +1232,6 @@ static int tcf_ct_fill_params(struct net *net,
+ return -ENOMEM;
+ }
+ __set_bit(IPS_CONFIRMED_BIT, &tmpl->status);
+- nf_conntrack_get(&tmpl->ct_general);
+ p->tmpl = tmpl;
+
+ return 0;
+diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
+index 4272814487f09..5d30db0d71574 100644
+--- a/net/sched/cls_u32.c
++++ b/net/sched/cls_u32.c
+@@ -386,14 +386,19 @@ static int u32_init(struct tcf_proto *tp)
+ return 0;
+ }
+
+-static int u32_destroy_key(struct tc_u_knode *n, bool free_pf)
++static void __u32_destroy_key(struct tc_u_knode *n)
+ {
+ struct tc_u_hnode *ht = rtnl_dereference(n->ht_down);
+
+ tcf_exts_destroy(&n->exts);
+- tcf_exts_put_net(&n->exts);
+ if (ht && --ht->refcnt == 0)
+ kfree(ht);
++ kfree(n);
++}
++
++static void u32_destroy_key(struct tc_u_knode *n, bool free_pf)
++{
++ tcf_exts_put_net(&n->exts);
+ #ifdef CONFIG_CLS_U32_PERF
+ if (free_pf)
+ free_percpu(n->pf);
+@@ -402,8 +407,7 @@ static int u32_destroy_key(struct tc_u_knode *n, bool free_pf)
+ if (free_pf)
+ free_percpu(n->pcpu_success);
+ #endif
+- kfree(n);
+- return 0;
++ __u32_destroy_key(n);
+ }
+
+ /* u32_delete_key_rcu should be called when free'ing a copied
+@@ -810,10 +814,6 @@ static struct tc_u_knode *u32_init_knode(struct net *net, struct tcf_proto *tp,
+ new->flags = n->flags;
+ RCU_INIT_POINTER(new->ht_down, ht);
+
+- /* bump reference count as long as we hold pointer to structure */
+- if (ht)
+- ht->refcnt++;
+-
+ #ifdef CONFIG_CLS_U32_PERF
+ /* Statistics may be incremented by readers during update
+ * so we must keep them in tact. When the node is later destroyed
+@@ -835,6 +835,10 @@ static struct tc_u_knode *u32_init_knode(struct net *net, struct tcf_proto *tp,
+ return NULL;
+ }
+
++ /* bump reference count as long as we hold pointer to structure */
++ if (ht)
++ ht->refcnt++;
++
+ return new;
+ }
+
+@@ -898,13 +902,13 @@ static int u32_change(struct net *net, struct sk_buff *in_skb,
+ tca[TCA_RATE], flags, extack);
+
+ if (err) {
+- u32_destroy_key(new, false);
++ __u32_destroy_key(new);
+ return err;
+ }
+
+ err = u32_replace_hw_knode(tp, new, flags, extack);
+ if (err) {
+- u32_destroy_key(new, false);
++ __u32_destroy_key(new);
+ return err;
+ }
+
+diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
+index fa8897497dcc9..499058248bdb8 100644
+--- a/net/smc/af_smc.c
++++ b/net/smc/af_smc.c
+@@ -2332,8 +2332,10 @@ static int smc_shutdown(struct socket *sock, int how)
+ if (smc->use_fallback) {
+ rc = kernel_sock_shutdown(smc->clcsock, how);
+ sk->sk_shutdown = smc->clcsock->sk->sk_shutdown;
+- if (sk->sk_shutdown == SHUTDOWN_MASK)
++ if (sk->sk_shutdown == SHUTDOWN_MASK) {
+ sk->sk_state = SMC_CLOSED;
++ sock_put(sk);
++ }
+ goto out;
+ }
+ switch (how) {
+diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
+index 472d81679a27d..24da843f39a11 100644
+--- a/sound/pci/hda/patch_hdmi.c
++++ b/sound/pci/hda/patch_hdmi.c
+@@ -1387,7 +1387,7 @@ static int hdmi_find_pcm_slot(struct hdmi_spec *spec,
+
+ last_try:
+ /* the last try; check the empty slots in pins */
+- for (i = 0; i < spec->num_nids; i++) {
++ for (i = 0; i < spec->pcm_used; i++) {
+ if (!test_bit(i, &spec->pcm_bitmap))
+ return i;
+ }
+@@ -2263,7 +2263,9 @@ static int generic_hdmi_build_pcms(struct hda_codec *codec)
+ * dev_num is the device entry number in a pin
+ */
+
+- if (codec->mst_no_extra_pcms)
++ if (spec->dyn_pcm_no_legacy && codec->mst_no_extra_pcms)
++ pcm_num = spec->num_cvts;
++ else if (codec->mst_no_extra_pcms)
+ pcm_num = spec->num_nids;
+ else
+ pcm_num = spec->num_nids + spec->dev_num - 1;
+diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
+index 5ae20cbbd5c06..9771300683c47 100644
+--- a/sound/pci/hda/patch_realtek.c
++++ b/sound/pci/hda/patch_realtek.c
+@@ -8962,6 +8962,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
+ SND_PCI_QUIRK(0x1558, 0x8562, "Clevo NH[57][0-9]RZ[Q]", ALC269_FIXUP_DMIC),
+ SND_PCI_QUIRK(0x1558, 0x8668, "Clevo NP50B[BE]", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1558, 0x866d, "Clevo NP5[05]PN[HJK]", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
++ SND_PCI_QUIRK(0x1558, 0x867c, "Clevo NP7[01]PNP", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1558, 0x867d, "Clevo NP7[01]PN[HJK]", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1558, 0x8680, "Clevo NJ50LU", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1558, 0x8686, "Clevo NH50[CZ]U", ALC256_FIXUP_MIC_NO_PRESENCE_AND_RESUME),
+diff --git a/sound/soc/atmel/sam9g20_wm8731.c b/sound/soc/atmel/sam9g20_wm8731.c
+index 8a55d59a6c2aa..d243de5f23dc1 100644
+--- a/sound/soc/atmel/sam9g20_wm8731.c
++++ b/sound/soc/atmel/sam9g20_wm8731.c
+@@ -46,35 +46,6 @@
+ */
+ #undef ENABLE_MIC_INPUT
+
+-static struct clk *mclk;
+-
+-static int at91sam9g20ek_set_bias_level(struct snd_soc_card *card,
+- struct snd_soc_dapm_context *dapm,
+- enum snd_soc_bias_level level)
+-{
+- static int mclk_on;
+- int ret = 0;
+-
+- switch (level) {
+- case SND_SOC_BIAS_ON:
+- case SND_SOC_BIAS_PREPARE:
+- if (!mclk_on)
+- ret = clk_enable(mclk);
+- if (ret == 0)
+- mclk_on = 1;
+- break;
+-
+- case SND_SOC_BIAS_OFF:
+- case SND_SOC_BIAS_STANDBY:
+- if (mclk_on)
+- clk_disable(mclk);
+- mclk_on = 0;
+- break;
+- }
+-
+- return ret;
+-}
+-
+ static const struct snd_soc_dapm_widget at91sam9g20ek_dapm_widgets[] = {
+ SND_SOC_DAPM_MIC("Int Mic", NULL),
+ SND_SOC_DAPM_SPK("Ext Spk", NULL),
+@@ -135,7 +106,6 @@ static struct snd_soc_card snd_soc_at91sam9g20ek = {
+ .owner = THIS_MODULE,
+ .dai_link = &at91sam9g20ek_dai,
+ .num_links = 1,
+- .set_bias_level = at91sam9g20ek_set_bias_level,
+
+ .dapm_widgets = at91sam9g20ek_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(at91sam9g20ek_dapm_widgets),
+@@ -148,7 +118,6 @@ static int at91sam9g20ek_audio_probe(struct platform_device *pdev)
+ {
+ struct device_node *np = pdev->dev.of_node;
+ struct device_node *codec_np, *cpu_np;
+- struct clk *pllb;
+ struct snd_soc_card *card = &snd_soc_at91sam9g20ek;
+ int ret;
+
+@@ -162,31 +131,6 @@ static int at91sam9g20ek_audio_probe(struct platform_device *pdev)
+ return -EINVAL;
+ }
+
+- /*
+- * Codec MCLK is supplied by PCK0 - set it up.
+- */
+- mclk = clk_get(NULL, "pck0");
+- if (IS_ERR(mclk)) {
+- dev_err(&pdev->dev, "Failed to get MCLK\n");
+- ret = PTR_ERR(mclk);
+- goto err;
+- }
+-
+- pllb = clk_get(NULL, "pllb");
+- if (IS_ERR(pllb)) {
+- dev_err(&pdev->dev, "Failed to get PLLB\n");
+- ret = PTR_ERR(pllb);
+- goto err_mclk;
+- }
+- ret = clk_set_parent(mclk, pllb);
+- clk_put(pllb);
+- if (ret != 0) {
+- dev_err(&pdev->dev, "Failed to set MCLK parent\n");
+- goto err_mclk;
+- }
+-
+- clk_set_rate(mclk, MCLK_RATE);
+-
+ card->dev = &pdev->dev;
+
+ /* Parse device node info */
+@@ -230,9 +174,6 @@ static int at91sam9g20ek_audio_probe(struct platform_device *pdev)
+
+ return ret;
+
+-err_mclk:
+- clk_put(mclk);
+- mclk = NULL;
+ err:
+ atmel_ssc_put_audio(0);
+ return ret;
+@@ -242,8 +183,6 @@ static int at91sam9g20ek_audio_remove(struct platform_device *pdev)
+ {
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+
+- clk_disable(mclk);
+- mclk = NULL;
+ snd_soc_unregister_card(card);
+ atmel_ssc_put_audio(0);
+
+diff --git a/sound/soc/codecs/msm8916-wcd-digital.c b/sound/soc/codecs/msm8916-wcd-digital.c
+index 9ad7fc0baf072..20a07c92b2fc2 100644
+--- a/sound/soc/codecs/msm8916-wcd-digital.c
++++ b/sound/soc/codecs/msm8916-wcd-digital.c
+@@ -1206,9 +1206,16 @@ static int msm8916_wcd_digital_probe(struct platform_device *pdev)
+
+ dev_set_drvdata(dev, priv);
+
+- return devm_snd_soc_register_component(dev, &msm8916_wcd_digital,
++ ret = devm_snd_soc_register_component(dev, &msm8916_wcd_digital,
+ msm8916_wcd_digital_dai,
+ ARRAY_SIZE(msm8916_wcd_digital_dai));
++ if (ret)
++ goto err_mclk;
++
++ return 0;
++
++err_mclk:
++ clk_disable_unprepare(priv->mclk);
+ err_clk:
+ clk_disable_unprepare(priv->ahbclk);
+ return ret;
+diff --git a/sound/soc/codecs/rk817_codec.c b/sound/soc/codecs/rk817_codec.c
+index 8fffe378618d0..cce6f4e7992f5 100644
+--- a/sound/soc/codecs/rk817_codec.c
++++ b/sound/soc/codecs/rk817_codec.c
+@@ -489,7 +489,7 @@ static int rk817_platform_probe(struct platform_device *pdev)
+
+ rk817_codec_parse_dt_property(&pdev->dev, rk817_codec_data);
+
+- rk817_codec_data->mclk = clk_get(pdev->dev.parent, "mclk");
++ rk817_codec_data->mclk = devm_clk_get(pdev->dev.parent, "mclk");
+ if (IS_ERR(rk817_codec_data->mclk)) {
+ dev_dbg(&pdev->dev, "Unable to get mclk\n");
+ ret = -ENXIO;
+diff --git a/sound/soc/codecs/wcd934x.c b/sound/soc/codecs/wcd934x.c
+index 7b99318070cfa..144046864d157 100644
+--- a/sound/soc/codecs/wcd934x.c
++++ b/sound/soc/codecs/wcd934x.c
+@@ -1274,29 +1274,7 @@ static int wcd934x_set_sido_input_src(struct wcd934x_codec *wcd, int sido_src)
+ if (sido_src == wcd->sido_input_src)
+ return 0;
+
+- if (sido_src == SIDO_SOURCE_INTERNAL) {
+- regmap_update_bits(wcd->regmap, WCD934X_ANA_BUCK_CTL,
+- WCD934X_ANA_BUCK_HI_ACCU_EN_MASK, 0);
+- usleep_range(100, 110);
+- regmap_update_bits(wcd->regmap, WCD934X_ANA_BUCK_CTL,
+- WCD934X_ANA_BUCK_HI_ACCU_PRE_ENX_MASK, 0x0);
+- usleep_range(100, 110);
+- regmap_update_bits(wcd->regmap, WCD934X_ANA_RCO,
+- WCD934X_ANA_RCO_BG_EN_MASK, 0);
+- usleep_range(100, 110);
+- regmap_update_bits(wcd->regmap, WCD934X_ANA_BUCK_CTL,
+- WCD934X_ANA_BUCK_PRE_EN1_MASK,
+- WCD934X_ANA_BUCK_PRE_EN1_ENABLE);
+- usleep_range(100, 110);
+- regmap_update_bits(wcd->regmap, WCD934X_ANA_BUCK_CTL,
+- WCD934X_ANA_BUCK_PRE_EN2_MASK,
+- WCD934X_ANA_BUCK_PRE_EN2_ENABLE);
+- usleep_range(100, 110);
+- regmap_update_bits(wcd->regmap, WCD934X_ANA_BUCK_CTL,
+- WCD934X_ANA_BUCK_HI_ACCU_EN_MASK,
+- WCD934X_ANA_BUCK_HI_ACCU_ENABLE);
+- usleep_range(100, 110);
+- } else if (sido_src == SIDO_SOURCE_RCO_BG) {
++ if (sido_src == SIDO_SOURCE_RCO_BG) {
+ regmap_update_bits(wcd->regmap, WCD934X_ANA_RCO,
+ WCD934X_ANA_RCO_BG_EN_MASK,
+ WCD934X_ANA_RCO_BG_ENABLE);
+@@ -1382,8 +1360,6 @@ static int wcd934x_disable_ana_bias_and_syclk(struct wcd934x_codec *wcd)
+ regmap_update_bits(wcd->regmap, WCD934X_CLK_SYS_MCLK_PRG,
+ WCD934X_EXT_CLK_BUF_EN_MASK |
+ WCD934X_MCLK_EN_MASK, 0x0);
+- wcd934x_set_sido_input_src(wcd, SIDO_SOURCE_INTERNAL);
+-
+ regmap_update_bits(wcd->regmap, WCD934X_ANA_BIAS,
+ WCD934X_ANA_BIAS_EN_MASK, 0);
+ regmap_update_bits(wcd->regmap, WCD934X_ANA_BIAS,
+diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
+index 0479bb0005abd..0b166e074457f 100644
+--- a/sound/soc/soc-dapm.c
++++ b/sound/soc/soc-dapm.c
+@@ -1685,8 +1685,7 @@ static void dapm_seq_run(struct snd_soc_card *card,
+ switch (w->id) {
+ case snd_soc_dapm_pre:
+ if (!w->event)
+- list_for_each_entry_safe_continue(w, n, list,
+- power_list);
++ continue;
+
+ if (event == SND_SOC_DAPM_STREAM_START)
+ ret = w->event(w,
+@@ -1698,8 +1697,7 @@ static void dapm_seq_run(struct snd_soc_card *card,
+
+ case snd_soc_dapm_post:
+ if (!w->event)
+- list_for_each_entry_safe_continue(w, n, list,
+- power_list);
++ continue;
+
+ if (event == SND_SOC_DAPM_STREAM_START)
+ ret = w->event(w,
+diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
+index 561eddfc8c22c..eff8d4f715611 100644
+--- a/sound/soc/soc-topology.c
++++ b/sound/soc/soc-topology.c
+@@ -1481,12 +1481,12 @@ static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
+ template.num_kcontrols = le32_to_cpu(w->num_kcontrols);
+ kc = devm_kcalloc(tplg->dev, le32_to_cpu(w->num_kcontrols), sizeof(*kc), GFP_KERNEL);
+ if (!kc)
+- goto err;
++ goto hdr_err;
+
+ kcontrol_type = devm_kcalloc(tplg->dev, le32_to_cpu(w->num_kcontrols), sizeof(unsigned int),
+ GFP_KERNEL);
+ if (!kcontrol_type)
+- goto err;
++ goto hdr_err;
+
+ for (i = 0; i < w->num_kcontrols; i++) {
+ control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
+diff --git a/sound/usb/midi.c b/sound/usb/midi.c
+index 2c01649c70f61..7c6ca2b433a53 100644
+--- a/sound/usb/midi.c
++++ b/sound/usb/midi.c
+@@ -1194,6 +1194,7 @@ static void snd_usbmidi_output_drain(struct snd_rawmidi_substream *substream)
+ } while (drain_urbs && timeout);
+ finish_wait(&ep->drain_wait, &wait);
+ }
++ port->active = 0;
+ spin_unlock_irq(&ep->buffer_lock);
+ }
+
+diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
+index 167834133b9bc..b8359a0aa008a 100644
+--- a/sound/usb/usbaudio.h
++++ b/sound/usb/usbaudio.h
+@@ -8,7 +8,7 @@
+ */
+
+ /* handling of USB vendor/product ID pairs as 32-bit numbers */
+-#define USB_ID(vendor, product) (((vendor) << 16) | (product))
++#define USB_ID(vendor, product) (((unsigned int)(vendor) << 16) | (product))
+ #define USB_ID_VENDOR(id) ((id) >> 16)
+ #define USB_ID_PRODUCT(id) ((u16)(id))
+
+diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c
+index e37dfad31383f..5146ff0fa078c 100644
+--- a/tools/lib/perf/evlist.c
++++ b/tools/lib/perf/evlist.c
+@@ -577,7 +577,6 @@ int perf_evlist__mmap_ops(struct perf_evlist *evlist,
+ {
+ struct perf_evsel *evsel;
+ const struct perf_cpu_map *cpus = evlist->cpus;
+- const struct perf_thread_map *threads = evlist->threads;
+
+ if (!ops || !ops->get || !ops->mmap)
+ return -EINVAL;
+@@ -589,7 +588,7 @@ int perf_evlist__mmap_ops(struct perf_evlist *evlist,
+ perf_evlist__for_each_entry(evlist, evsel) {
+ if ((evsel->attr.read_format & PERF_FORMAT_ID) &&
+ evsel->sample_id == NULL &&
+- perf_evsel__alloc_id(evsel, perf_cpu_map__nr(cpus), threads->nr) < 0)
++ perf_evsel__alloc_id(evsel, evsel->fd->max_x, evsel->fd->max_y) < 0)
+ return -ENOMEM;
+ }
+
+diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
+index 997e0a4b0902a..6583ad9cc7deb 100644
+--- a/tools/perf/builtin-report.c
++++ b/tools/perf/builtin-report.c
+@@ -349,6 +349,7 @@ static int report__setup_sample_type(struct report *rep)
+ struct perf_session *session = rep->session;
+ u64 sample_type = evlist__combined_sample_type(session->evlist);
+ bool is_pipe = perf_data__is_pipe(session->data);
++ struct evsel *evsel;
+
+ if (session->itrace_synth_opts->callchain ||
+ session->itrace_synth_opts->add_callchain ||
+@@ -403,6 +404,19 @@ static int report__setup_sample_type(struct report *rep)
+ }
+
+ if (sort__mode == SORT_MODE__MEMORY) {
++ /*
++ * FIXUP: prior to kernel 5.18, Arm SPE missed to set
++ * PERF_SAMPLE_DATA_SRC bit in sample type. For backward
++ * compatibility, set the bit if it's an old perf data file.
++ */
++ evlist__for_each_entry(session->evlist, evsel) {
++ if (strstr(evsel->name, "arm_spe") &&
++ !(sample_type & PERF_SAMPLE_DATA_SRC)) {
++ evsel->core.attr.sample_type |= PERF_SAMPLE_DATA_SRC;
++ sample_type |= PERF_SAMPLE_DATA_SRC;
++ }
++ }
++
+ if (!is_pipe && !(sample_type & PERF_SAMPLE_DATA_SRC)) {
+ ui__error("Selected --mem-mode but no mem data. "
+ "Did you call perf record without -d?\n");
+diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
+index 18b56256bb6ff..cb3d81adf5ca8 100644
+--- a/tools/perf/builtin-script.c
++++ b/tools/perf/builtin-script.c
+@@ -455,7 +455,7 @@ static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
+ return -EINVAL;
+
+ if (PRINT_FIELD(DATA_SRC) &&
+- evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC))
++ evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set))
+ return -EINVAL;
+
+ if (PRINT_FIELD(WEIGHT) &&
+diff --git a/tools/testing/selftests/drivers/net/mlxsw/vxlan_flooding.sh b/tools/testing/selftests/drivers/net/mlxsw/vxlan_flooding.sh
+index fedcb7b35af9f..af5ea50ed5c0e 100755
+--- a/tools/testing/selftests/drivers/net/mlxsw/vxlan_flooding.sh
++++ b/tools/testing/selftests/drivers/net/mlxsw/vxlan_flooding.sh
+@@ -172,6 +172,17 @@ flooding_filters_add()
+ local lsb
+ local i
+
++ # Prevent unwanted packets from entering the bridge and interfering
++ # with the test.
++ tc qdisc add dev br0 clsact
++ tc filter add dev br0 egress protocol all pref 1 handle 1 \
++ matchall skip_hw action drop
++ tc qdisc add dev $h1 clsact
++ tc filter add dev $h1 egress protocol all pref 1 handle 1 \
++ flower skip_hw dst_mac de:ad:be:ef:13:37 action pass
++ tc filter add dev $h1 egress protocol all pref 2 handle 2 \
++ matchall skip_hw action drop
++
+ tc qdisc add dev $rp2 clsact
+
+ for i in $(eval echo {1..$num_remotes}); do
+@@ -194,6 +205,12 @@ flooding_filters_del()
+ done
+
+ tc qdisc del dev $rp2 clsact
++
++ tc filter del dev $h1 egress protocol all pref 2 handle 2 matchall
++ tc filter del dev $h1 egress protocol all pref 1 handle 1 flower
++ tc qdisc del dev $h1 clsact
++ tc filter del dev br0 egress protocol all pref 1 handle 1 matchall
++ tc qdisc del dev br0 clsact
+ }
+
+ flooding_check_packets()
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