diff --git a/Makefile b/Makefile index c726a33e922f..c50d4ec83be8 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 15 -SUBLEVEL = 24 +SUBLEVEL = 25 EXTRAVERSION = NAME = Trick or Treat

diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c index 6daaa645ae5d..21413a9b7b6c 100644 --- a/arch/arm/mach-omap2/display.c +++ b/arch/arm/mach-omap2/display.c @@ -263,9 +263,9 @@ static int __init omapdss_init_of(void) }

r = of_platform_populate(node, NULL, NULL, &pdev->dev); + put_device(&pdev->dev); if (r) { pr_err("Unable to populate DSS submodule devices\n"); - put_device(&pdev->dev); return r; }

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 0c2936c7a379..a5e9cffcac10 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -752,8 +752,10 @@ static int __init _init_clkctrl_providers(void)

for_each_matching_node(np, ti_clkctrl_match_table) { ret = _setup_clkctrl_provider(np); - if (ret) + if (ret) { + of_node_put(np); break; + } }

return ret; diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi index 428449d98c0a..a3a1ea0f2134 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi @@ -107,6 +107,12 @@ secmon_reserved: secmon@5000000 { no-map; };

+ /* 32 MiB reserved for ARM Trusted Firmware (BL32) */ + secmon_reserved_bl32: secmon@5300000 { + reg = <0x0 0x05300000 0x0 0x2000000>; + no-map; + }; + linux,cma { compatible = "shared-dma-pool"; reusable; diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts index d8838dde0f0f..4fb31c2ba31c 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts +++ b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts @@ -157,14 +157,6 @@ vddio_ao1v8: regulator-vddio_ao1v8 { regulator-always-on; };

- reserved-memory { - /* TEE Reserved Memory */ - bl32_reserved: bl32@5000000 { - reg = <0x0 0x05300000 0x0 0x2000000>; - no-map; - }; - }; - sdio_pwrseq: sdio-pwrseq { compatible = "mmc-pwrseq-simple"; reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>; diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi index 6b457b2c30a4..aa14ea017a61 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi @@ -49,6 +49,12 @@ secmon_reserved_alt: secmon@5000000 { no-map; };

+ /* 32 MiB reserved for ARM Trusted Firmware (BL32) */ + secmon_reserved_bl32: secmon@5300000 { + reg = <0x0 0x05300000 0x0 0x2000000>; + no-map; + }; + linux,cma { compatible = "shared-dma-pool"; reusable; diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts index 427475846fc7..a5d79f2f7c19 100644 --- a/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts +++ b/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts @@ -203,14 +203,6 @@ vddio_ao1v8: regulator-vddio_ao1v8 { regulator-always-on; };

- reserved-memory { - /* TEE Reserved Memory */ - bl32_reserved: bl32@5000000 { - reg = <0x0 0x05300000 0x0 0x2000000>; - no-map; - }; - }; - sdio_pwrseq: sdio-pwrseq { compatible = "mmc-pwrseq-simple"; reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>; diff --git a/arch/arm64/include/asm/el2_setup.h b/arch/arm64/include/asm/el2_setup.h index 3198acb2aad8..7f3c87f7a0ce 100644 --- a/arch/arm64/include/asm/el2_setup.h +++ b/arch/arm64/include/asm/el2_setup.h @@ -106,7 +106,7 @@ msr_s SYS_ICC_SRE_EL2, x0 isb // Make sure SRE is now set mrs_s x0, SYS_ICC_SRE_EL2 // Read SRE back, - tbz x0, #0, 1f // and check that it sticks + tbz x0, #0, .Lskip_gicv3_@ // and check that it sticks msr_s SYS_ICH_HCR_EL2, xzr // Reset ICC_HCR_EL2 to defaults .Lskip_gicv3_@: .endm diff --git a/arch/parisc/include/asm/bitops.h b/arch/parisc/include/asm/bitops.h index aa4e883431c1..5779d463b341 100644 --- a/arch/parisc/include/asm/bitops.h +++ b/arch/parisc/include/asm/bitops.h @@ -12,6 +12,14 @@ #include <asm/barrier.h> #include <linux/atomic.h>

+/* compiler build environment sanity checks: */ +#if !defined(CONFIG_64BIT) && defined(__LP64__) +#error "Please use 'ARCH=parisc' to build the 32-bit kernel." +#endif +#if defined(CONFIG_64BIT) && !defined(__LP64__) +#error "Please use 'ARCH=parisc64' to build the 64-bit kernel." +#endif + /* See http://marc.theaimsgroup.com/?t=108826637900003 for discussion * on use of volatile and __*_bit() (set/clear/change): * *_bit() want use of volatile. diff --git a/arch/parisc/lib/iomap.c b/arch/parisc/lib/iomap.c index 367f6397bda7..860385058085 100644 --- a/arch/parisc/lib/iomap.c +++ b/arch/parisc/lib/iomap.c @@ -346,6 +346,16 @@ u64 ioread64be(const void __iomem *addr) return *((u64 *)addr); }

+u64 ioread64_lo_hi(const void __iomem *addr) +{ + u32 low, high; + + low = ioread32(addr); + high = ioread32(addr + sizeof(u32)); + + return low + ((u64)high << 32); +} + u64 ioread64_hi_lo(const void __iomem *addr) { u32 low, high; @@ -419,6 +429,12 @@ void iowrite64be(u64 datum, void __iomem *addr) } }

+void iowrite64_lo_hi(u64 val, void __iomem *addr) +{ + iowrite32(val, addr); + iowrite32(val >> 32, addr + sizeof(u32)); +} + void iowrite64_hi_lo(u64 val, void __iomem *addr) { iowrite32(val >> 32, addr + sizeof(u32)); @@ -530,6 +546,7 @@ EXPORT_SYMBOL(ioread32); EXPORT_SYMBOL(ioread32be); EXPORT_SYMBOL(ioread64); EXPORT_SYMBOL(ioread64be); +EXPORT_SYMBOL(ioread64_lo_hi); EXPORT_SYMBOL(ioread64_hi_lo); EXPORT_SYMBOL(iowrite8); EXPORT_SYMBOL(iowrite16); @@ -538,6 +555,7 @@ EXPORT_SYMBOL(iowrite32); EXPORT_SYMBOL(iowrite32be); EXPORT_SYMBOL(iowrite64); EXPORT_SYMBOL(iowrite64be); +EXPORT_SYMBOL(iowrite64_lo_hi); EXPORT_SYMBOL(iowrite64_hi_lo); EXPORT_SYMBOL(ioread8_rep); EXPORT_SYMBOL(ioread16_rep); diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index 65f50f072a87..e5c18313b5d4 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -341,9 +341,9 @@ static void __init setup_bootmem(void)

static bool kernel_set_to_readonly;

-static void __init map_pages(unsigned long start_vaddr, - unsigned long start_paddr, unsigned long size, - pgprot_t pgprot, int force) +static void __ref map_pages(unsigned long start_vaddr, + unsigned long start_paddr, unsigned long size, + pgprot_t pgprot, int force) { pmd_t *pmd; pte_t *pg_table; @@ -453,7 +453,7 @@ void __init set_kernel_text_rw(int enable_read_write) flush_tlb_all(); }

-void __ref free_initmem(void) +void free_initmem(void) { unsigned long init_begin = (unsigned long)__init_begin; unsigned long init_end = (unsigned long)__init_end; @@ -467,7 +467,6 @@ void __ref free_initmem(void) /* The init text pages are marked R-X. We have to * flush the icache and mark them RW- * - * This is tricky, because map_pages is in the init section. * Do a dummy remap of the data section first (the data * section is already PAGE_KERNEL) to pull in the TLB entries * for map_kernel */ diff --git a/arch/powerpc/kernel/head_book3s_32.S b/arch/powerpc/kernel/head_book3s_32.S index 68e5c0a7e99d..2e2a8211b17b 100644 --- a/arch/powerpc/kernel/head_book3s_32.S +++ b/arch/powerpc/kernel/head_book3s_32.S @@ -421,14 +421,14 @@ InstructionTLBMiss: */ /* Get PTE (linux-style) and check access */ mfspr r3,SPRN_IMISS -#ifdef CONFIG_MODULES +#if defined(CONFIG_MODULES) || defined(CONFIG_DEBUG_PAGEALLOC) || defined(CONFIG_KFENCE) lis r1, TASK_SIZE@h /* check if kernel address */ cmplw 0,r1,r3 #endif mfspr r2, SPRN_SDR1 li r1,_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_EXEC | _PAGE_USER rlwinm r2, r2, 28, 0xfffff000 -#ifdef CONFIG_MODULES +#if defined(CONFIG_MODULES) || defined(CONFIG_DEBUG_PAGEALLOC) || defined(CONFIG_KFENCE) bgt- 112f lis r2, (swapper_pg_dir - PAGE_OFFSET)@ha /* if kernel address, use */ li r1,_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_EXEC diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index d8d5f901cee1..d8cc49f39fe4 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -3181,12 +3181,14 @@ void emulate_update_regs(struct pt_regs *regs, struct instruction_op *op) case BARRIER_EIEIO: eieio(); break; +#ifdef CONFIG_PPC64 case BARRIER_LWSYNC: asm volatile("lwsync" : : : "memory"); break; case BARRIER_PTESYNC: asm volatile("ptesync" : : : "memory"); break; +#endif } break;

diff --git a/arch/x86/include/asm/bug.h b/arch/x86/include/asm/bug.h index 84b87538a15d..bab883c0b6fe 100644 --- a/arch/x86/include/asm/bug.h +++ b/arch/x86/include/asm/bug.h @@ -22,7 +22,7 @@

#ifdef CONFIG_DEBUG_BUGVERBOSE

-#define _BUG_FLAGS(ins, flags) \ +#define _BUG_FLAGS(ins, flags, extra) \ do { \ asm_inline volatile("1:\t" ins "\n" \ ".pushsection __bug_table,"aw"\n" \ @@ -31,7 +31,8 @@ do { \ "\t.word %c1" "\t# bug_entry::line\n" \ "\t.word %c2" "\t# bug_entry::flags\n" \ "\t.org 2b+%c3\n" \ - ".popsection" \ + ".popsection\n" \ + extra \ : : "i" (__FILE__), "i" (__LINE__), \ "i" (flags), \ "i" (sizeof(struct bug_entry))); \ @@ -39,14 +40,15 @@ do { \

#else /* !CONFIG_DEBUG_BUGVERBOSE */

-#define _BUG_FLAGS(ins, flags) \ +#define _BUG_FLAGS(ins, flags, extra) \ do { \ asm_inline volatile("1:\t" ins "\n" \ ".pushsection __bug_table,"aw"\n" \ "2:\t" __BUG_REL(1b) "\t# bug_entry::bug_addr\n" \ "\t.word %c0" "\t# bug_entry::flags\n" \ "\t.org 2b+%c1\n" \ - ".popsection" \ + ".popsection\n" \ + extra \ : : "i" (flags), \ "i" (sizeof(struct bug_entry))); \ } while (0) @@ -55,7 +57,7 @@ do { \

#else

-#define _BUG_FLAGS(ins, flags) asm volatile(ins) +#define _BUG_FLAGS(ins, flags, extra) asm volatile(ins)

#endif /* CONFIG_GENERIC_BUG */

@@ -63,8 +65,8 @@ do { \ #define BUG() \ do { \ instrumentation_begin(); \ - _BUG_FLAGS(ASM_UD2, 0); \ - unreachable(); \ + _BUG_FLAGS(ASM_UD2, 0, ""); \ + __builtin_unreachable(); \ } while (0)

/* @@ -75,9 +77,9 @@ do { \ */ #define __WARN_FLAGS(flags) \ do { \ + __auto_type f = BUGFLAG_WARNING|(flags); \ instrumentation_begin(); \ - _BUG_FLAGS(ASM_UD2, BUGFLAG_WARNING|(flags)); \ - annotate_reachable(); \ + _BUG_FLAGS(ASM_UD2, f, ASM_REACHABLE); \ instrumentation_end(); \ } while (0)

diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c index 0772bad9165c..f256f01056bd 100644 --- a/arch/x86/kvm/pmu.c +++ b/arch/x86/kvm/pmu.c @@ -95,7 +95,7 @@ static void kvm_perf_overflow_intr(struct perf_event *perf_event, }

static void pmc_reprogram_counter(struct kvm_pmc *pmc, u32 type, - unsigned config, bool exclude_user, + u64 config, bool exclude_user, bool exclude_kernel, bool intr, bool in_tx, bool in_tx_cp) { @@ -173,8 +173,8 @@ static bool pmc_resume_counter(struct kvm_pmc *pmc)

void reprogram_gp_counter(struct kvm_pmc *pmc, u64 eventsel) { - unsigned config, type = PERF_TYPE_RAW; - u8 event_select, unit_mask; + u64 config; + u32 type = PERF_TYPE_RAW; struct kvm *kvm = pmc->vcpu->kvm; struct kvm_pmu_event_filter *filter; int i; @@ -206,23 +206,18 @@ void reprogram_gp_counter(struct kvm_pmc *pmc, u64 eventsel) if (!allow_event) return;

- event_select = eventsel & ARCH_PERFMON_EVENTSEL_EVENT; - unit_mask = (eventsel & ARCH_PERFMON_EVENTSEL_UMASK) >> 8; - if (!(eventsel & (ARCH_PERFMON_EVENTSEL_EDGE | ARCH_PERFMON_EVENTSEL_INV | ARCH_PERFMON_EVENTSEL_CMASK | HSW_IN_TX | HSW_IN_TX_CHECKPOINTED))) { - config = kvm_x86_ops.pmu_ops->find_arch_event(pmc_to_pmu(pmc), - event_select, - unit_mask); + config = kvm_x86_ops.pmu_ops->pmc_perf_hw_id(pmc); if (config != PERF_COUNT_HW_MAX) type = PERF_TYPE_HARDWARE; }

if (type == PERF_TYPE_RAW) - config = eventsel & X86_RAW_EVENT_MASK; + config = eventsel & AMD64_RAW_EVENT_MASK;

if (pmc->current_config == eventsel && pmc_resume_counter(pmc)) return; diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h index 0e4f2b1fa9fb..a06d95165ac7 100644 --- a/arch/x86/kvm/pmu.h +++ b/arch/x86/kvm/pmu.h @@ -24,8 +24,7 @@ struct kvm_event_hw_type_mapping { };

struct kvm_pmu_ops { - unsigned (*find_arch_event)(struct kvm_pmu *pmu, u8 event_select, - u8 unit_mask); + unsigned int (*pmc_perf_hw_id)(struct kvm_pmc *pmc); unsigned (*find_fixed_event)(int idx); bool (*pmc_is_enabled)(struct kvm_pmc *pmc); struct kvm_pmc *(*pmc_idx_to_pmc)(struct kvm_pmu *pmu, int pmc_idx); diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c index 2fb6a6f00290..cdbb48e12745 100644 --- a/arch/x86/kvm/svm/avic.c +++ b/arch/x86/kvm/svm/avic.c @@ -342,8 +342,6 @@ int avic_incomplete_ipi_interception(struct kvm_vcpu *vcpu) avic_kick_target_vcpus(vcpu->kvm, apic, icrl, icrh); break; case AVIC_IPI_FAILURE_INVALID_TARGET: - WARN_ONCE(1, "Invalid IPI target: index=%u, vcpu=%d, icr=%#0x:%#0x\n", - index, vcpu->vcpu_id, icrh, icrl); break; case AVIC_IPI_FAILURE_INVALID_BACKING_PAGE: WARN_ONCE(1, "Invalid backing page\n"); diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index de80ae42d044..556e7a3f3562 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -1357,18 +1357,6 @@ static int svm_set_nested_state(struct kvm_vcpu *vcpu, !nested_vmcb_valid_sregs(vcpu, save)) goto out_free;

- /* - * While the nested guest CR3 is already checked and set by - * KVM_SET_SREGS, it was set when nested state was yet loaded, - * thus MMU might not be initialized correctly. - * Set it again to fix this. - */ - - ret = nested_svm_load_cr3(&svm->vcpu, vcpu->arch.cr3, - nested_npt_enabled(svm), false); - if (WARN_ON_ONCE(ret)) - goto out_free; -

/* * All checks done, we can enter guest mode. Userspace provides @@ -1394,6 +1382,20 @@ static int svm_set_nested_state(struct kvm_vcpu *vcpu,

svm_switch_vmcb(svm, &svm->nested.vmcb02); nested_vmcb02_prepare_control(svm); + + /* + * While the nested guest CR3 is already checked and set by + * KVM_SET_SREGS, it was set when nested state was yet loaded, + * thus MMU might not be initialized correctly. + * Set it again to fix this. + */ + + ret = nested_svm_load_cr3(&svm->vcpu, vcpu->arch.cr3, + nested_npt_enabled(svm), false); + if (WARN_ON_ONCE(ret)) + goto out_free; + + kvm_make_request(KVM_REQ_GET_NESTED_STATE_PAGES, vcpu); ret = 0; out_free: diff --git a/arch/x86/kvm/svm/pmu.c b/arch/x86/kvm/svm/pmu.c index e152241d1d70..06f8034f62e4 100644 --- a/arch/x86/kvm/svm/pmu.c +++ b/arch/x86/kvm/svm/pmu.c @@ -134,10 +134,10 @@ static inline struct kvm_pmc *get_gp_pmc_amd(struct kvm_pmu *pmu, u32 msr, return &pmu->gp_counters[msr_to_index(msr)]; }

-static unsigned amd_find_arch_event(struct kvm_pmu *pmu, - u8 event_select, - u8 unit_mask) +static unsigned int amd_pmc_perf_hw_id(struct kvm_pmc *pmc) { + u8 event_select = pmc->eventsel & ARCH_PERFMON_EVENTSEL_EVENT; + u8 unit_mask = (pmc->eventsel & ARCH_PERFMON_EVENTSEL_UMASK) >> 8; int i;

for (i = 0; i < ARRAY_SIZE(amd_event_mapping); i++) @@ -320,7 +320,7 @@ static void amd_pmu_reset(struct kvm_vcpu *vcpu) }

struct kvm_pmu_ops amd_pmu_ops = { - .find_arch_event = amd_find_arch_event, + .pmc_perf_hw_id = amd_pmc_perf_hw_id, .find_fixed_event = amd_find_fixed_event, .pmc_is_enabled = amd_pmc_is_enabled, .pmc_idx_to_pmc = amd_pmc_idx_to_pmc, diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index f05aa7290267..26f2da1590ed 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -1727,6 +1727,7 @@ void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0) { struct vcpu_svm *svm = to_svm(vcpu); u64 hcr0 = cr0; + bool old_paging = is_paging(vcpu);

#ifdef CONFIG_X86_64 if (vcpu->arch.efer & EFER_LME && !vcpu->arch.guest_state_protected) { @@ -1743,8 +1744,11 @@ void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0) #endif vcpu->arch.cr0 = cr0;

- if (!npt_enabled) + if (!npt_enabled) { hcr0 |= X86_CR0_PG | X86_CR0_WP; + if (old_paging != is_paging(vcpu)) + svm_set_cr4(vcpu, kvm_read_cr4(vcpu)); + }

/* * re-enable caching here because the QEMU bios @@ -1788,8 +1792,12 @@ void svm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) svm_flush_tlb(vcpu);

vcpu->arch.cr4 = cr4; - if (!npt_enabled) + if (!npt_enabled) { cr4 |= X86_CR4_PAE; + + if (!is_paging(vcpu)) + cr4 &= ~(X86_CR4_SMEP | X86_CR4_SMAP | X86_CR4_PKE); + } cr4 |= host_cr4_mce; to_svm(vcpu)->vmcb->save.cr4 = cr4; vmcb_mark_dirty(to_svm(vcpu)->vmcb, VMCB_CR); @@ -4384,10 +4392,17 @@ static int svm_leave_smm(struct kvm_vcpu *vcpu, const char *smstate) * Enter the nested guest now */

+ vmcb_mark_all_dirty(svm->vmcb01.ptr); + vmcb12 = map.hva; nested_load_control_from_vmcb12(svm, &vmcb12->control); ret = enter_svm_guest_mode(vcpu, vmcb12_gpa, vmcb12, false);

+ if (ret) + goto unmap_save; + + svm->nested.nested_run_pending = 1; + unmap_save: kvm_vcpu_unmap(vcpu, &map_save, true); unmap_map: diff --git a/arch/x86/kvm/vmx/pmu_intel.c b/arch/x86/kvm/vmx/pmu_intel.c index 10cc4f65c4ef..6427d95de01c 100644 --- a/arch/x86/kvm/vmx/pmu_intel.c +++ b/arch/x86/kvm/vmx/pmu_intel.c @@ -68,10 +68,11 @@ static void global_ctrl_changed(struct kvm_pmu *pmu, u64 data) reprogram_counter(pmu, bit); }

-static unsigned intel_find_arch_event(struct kvm_pmu *pmu, - u8 event_select, - u8 unit_mask) +static unsigned int intel_pmc_perf_hw_id(struct kvm_pmc *pmc) { + struct kvm_pmu *pmu = pmc_to_pmu(pmc); + u8 event_select = pmc->eventsel & ARCH_PERFMON_EVENTSEL_EVENT; + u8 unit_mask = (pmc->eventsel & ARCH_PERFMON_EVENTSEL_UMASK) >> 8; int i;

for (i = 0; i < ARRAY_SIZE(intel_arch_events); i++) @@ -706,7 +707,7 @@ static void intel_pmu_cleanup(struct kvm_vcpu *vcpu) }

struct kvm_pmu_ops intel_pmu_ops = { - .find_arch_event = intel_find_arch_event, + .pmc_perf_hw_id = intel_pmc_perf_hw_id, .find_fixed_event = intel_find_fixed_event, .pmc_is_enabled = intel_pmc_is_enabled, .pmc_idx_to_pmc = intel_pmc_idx_to_pmc, diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 44da933a756b..322485ab9271 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -7532,6 +7532,7 @@ static int vmx_leave_smm(struct kvm_vcpu *vcpu, const char *smstate) if (ret) return ret;

+ vmx->nested.nested_run_pending = 1; vmx->nested.smm.guest_mode = false; } return 0; diff --git a/arch/x86/kvm/xen.c b/arch/x86/kvm/xen.c index 0787d6645573..ab9f88de6deb 100644 --- a/arch/x86/kvm/xen.c +++ b/arch/x86/kvm/xen.c @@ -93,32 +93,57 @@ static void kvm_xen_update_runstate(struct kvm_vcpu *v, int state) void kvm_xen_update_runstate_guest(struct kvm_vcpu *v, int state) { struct kvm_vcpu_xen *vx = &v->arch.xen; + struct gfn_to_hva_cache *ghc = &vx->runstate_cache; + struct kvm_memslots *slots = kvm_memslots(v->kvm); + bool atomic = (state == RUNSTATE_runnable); uint64_t state_entry_time; - unsigned int offset; + int __user *user_state; + uint64_t __user *user_times;

kvm_xen_update_runstate(v, state);

if (!vx->runstate_set) return;

- BUILD_BUG_ON(sizeof(struct compat_vcpu_runstate_info) != 0x2c); + if (unlikely(slots->generation != ghc->generation || kvm_is_error_hva(ghc->hva)) && + kvm_gfn_to_hva_cache_init(v->kvm, ghc, ghc->gpa, ghc->len)) + return; + + /* We made sure it fits in a single page */ + BUG_ON(!ghc->memslot); + + if (atomic) + pagefault_disable();

- offset = offsetof(struct compat_vcpu_runstate_info, state_entry_time); -#ifdef CONFIG_X86_64 /* - * The only difference is alignment of uint64_t in 32-bit. - * So the first field 'state' is accessed directly using - * offsetof() (where its offset happens to be zero), while the - * remaining fields which are all uint64_t, start at 'offset' - * which we tweak here by adding 4. + * The only difference between 32-bit and 64-bit versions of the + * runstate struct us the alignment of uint64_t in 32-bit, which + * means that the 64-bit version has an additional 4 bytes of + * padding after the first field 'state'. + * + * So we use 'int __user *user_state' to point to the state field, + * and 'uint64_t __user *user_times' for runstate_entry_time. So + * the actual array of time[] in each state starts at user_times[1]. */ + BUILD_BUG_ON(offsetof(struct vcpu_runstate_info, state) != 0); + BUILD_BUG_ON(offsetof(struct compat_vcpu_runstate_info, state) != 0); + user_state = (int __user *)ghc->hva; + + BUILD_BUG_ON(sizeof(struct compat_vcpu_runstate_info) != 0x2c); + + user_times = (uint64_t __user *)(ghc->hva + + offsetof(struct compat_vcpu_runstate_info, + state_entry_time)); +#ifdef CONFIG_X86_64 BUILD_BUG_ON(offsetof(struct vcpu_runstate_info, state_entry_time) != offsetof(struct compat_vcpu_runstate_info, state_entry_time) + 4); BUILD_BUG_ON(offsetof(struct vcpu_runstate_info, time) != offsetof(struct compat_vcpu_runstate_info, time) + 4);

if (v->kvm->arch.xen.long_mode) - offset = offsetof(struct vcpu_runstate_info, state_entry_time); + user_times = (uint64_t __user *)(ghc->hva + + offsetof(struct vcpu_runstate_info, + state_entry_time)); #endif /* * First write the updated state_entry_time at the appropriate @@ -132,10 +157,8 @@ void kvm_xen_update_runstate_guest(struct kvm_vcpu *v, int state) BUILD_BUG_ON(sizeof(((struct compat_vcpu_runstate_info *)0)->state_entry_time) != sizeof(state_entry_time));

- if (kvm_write_guest_offset_cached(v->kvm, &v->arch.xen.runstate_cache, - &state_entry_time, offset, - sizeof(state_entry_time))) - return; + if (__put_user(state_entry_time, user_times)) + goto out; smp_wmb();

/* @@ -149,11 +172,8 @@ void kvm_xen_update_runstate_guest(struct kvm_vcpu *v, int state) BUILD_BUG_ON(sizeof(((struct compat_vcpu_runstate_info *)0)->state) != sizeof(vx->current_runstate));

- if (kvm_write_guest_offset_cached(v->kvm, &v->arch.xen.runstate_cache, - &vx->current_runstate, - offsetof(struct vcpu_runstate_info, state), - sizeof(vx->current_runstate))) - return; + if (__put_user(vx->current_runstate, user_state)) + goto out;

/* * Write the actual runstate times immediately after the @@ -168,24 +188,23 @@ void kvm_xen_update_runstate_guest(struct kvm_vcpu *v, int state) BUILD_BUG_ON(sizeof(((struct vcpu_runstate_info *)0)->time) != sizeof(vx->runstate_times));

- if (kvm_write_guest_offset_cached(v->kvm, &v->arch.xen.runstate_cache, - &vx->runstate_times[0], - offset + sizeof(u64), - sizeof(vx->runstate_times))) - return; - + if (__copy_to_user(user_times + 1, vx->runstate_times, sizeof(vx->runstate_times))) + goto out; smp_wmb();

/* * Finally, clear the XEN_RUNSTATE_UPDATE bit in the guest's * runstate_entry_time field. */ - state_entry_time &= ~XEN_RUNSTATE_UPDATE; - if (kvm_write_guest_offset_cached(v->kvm, &v->arch.xen.runstate_cache, - &state_entry_time, offset, - sizeof(state_entry_time))) - return; + __put_user(state_entry_time, user_times); + smp_wmb(); + + out: + mark_page_dirty_in_slot(v->kvm, ghc->memslot, ghc->gpa >> PAGE_SHIFT); + + if (atomic) + pagefault_enable(); }

int __kvm_xen_has_interrupt(struct kvm_vcpu *v) @@ -337,6 +356,12 @@ int kvm_xen_vcpu_set_attr(struct kvm_vcpu *vcpu, struct kvm_xen_vcpu_attr *data) break; }

+ /* It must fit within a single page */ + if ((data->u.gpa & ~PAGE_MASK) + sizeof(struct vcpu_info) > PAGE_SIZE) { + r = -EINVAL; + break; + } + r = kvm_gfn_to_hva_cache_init(vcpu->kvm, &vcpu->arch.xen.vcpu_info_cache, data->u.gpa, @@ -354,6 +379,12 @@ int kvm_xen_vcpu_set_attr(struct kvm_vcpu *vcpu, struct kvm_xen_vcpu_attr *data) break; }

+ /* It must fit within a single page */ + if ((data->u.gpa & ~PAGE_MASK) + sizeof(struct pvclock_vcpu_time_info) > PAGE_SIZE) { + r = -EINVAL; + break; + } + r = kvm_gfn_to_hva_cache_init(vcpu->kvm, &vcpu->arch.xen.vcpu_time_info_cache, data->u.gpa, @@ -375,6 +406,12 @@ int kvm_xen_vcpu_set_attr(struct kvm_vcpu *vcpu, struct kvm_xen_vcpu_attr *data) break; }

+ /* It must fit within a single page */ + if ((data->u.gpa & ~PAGE_MASK) + sizeof(struct vcpu_runstate_info) > PAGE_SIZE) { + r = -EINVAL; + break; + } + r = kvm_gfn_to_hva_cache_init(vcpu->kvm, &vcpu->arch.xen.runstate_cache, data->u.gpa, diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c index a7b7d674f500..133ef31639df 100644 --- a/arch/x86/xen/enlighten_pv.c +++ b/arch/x86/xen/enlighten_pv.c @@ -1364,10 +1364,6 @@ asmlinkage __visible void __init xen_start_kernel(void)

xen_acpi_sleep_register();

- /* Avoid searching for BIOS MP tables */ - x86_init.mpparse.find_smp_config = x86_init_noop; - x86_init.mpparse.get_smp_config = x86_init_uint_noop; - xen_boot_params_init_edd();

#ifdef CONFIG_ACPI diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c index 7ed56c6075b0..477c484eb202 100644 --- a/arch/x86/xen/smp_pv.c +++ b/arch/x86/xen/smp_pv.c @@ -148,28 +148,12 @@ int xen_smp_intr_init_pv(unsigned int cpu) return rc; }

-static void __init xen_fill_possible_map(void) -{ - int i, rc; - - if (xen_initial_domain()) - return; - - for (i = 0; i < nr_cpu_ids; i++) { - rc = HYPERVISOR_vcpu_op(VCPUOP_is_up, i, NULL); - if (rc >= 0) { - num_processors++; - set_cpu_possible(i, true); - } - } -} - -static void __init xen_filter_cpu_maps(void) +static void __init _get_smp_config(unsigned int early) { int i, rc; unsigned int subtract = 0;

- if (!xen_initial_domain()) + if (early) return;

num_processors = 0; @@ -210,7 +194,6 @@ static void __init xen_pv_smp_prepare_boot_cpu(void) * sure the old memory can be recycled. */ make_lowmem_page_readwrite(xen_initial_gdt);

- xen_filter_cpu_maps(); xen_setup_vcpu_info_placement();

/* @@ -486,5 +469,8 @@ static const struct smp_ops xen_smp_ops __initconst = { void __init xen_smp_init(void) { smp_ops = xen_smp_ops; - xen_fill_possible_map(); + + /* Avoid searching for BIOS MP tables */ + x86_init.mpparse.find_smp_config = x86_init_noop; + x86_init.mpparse.get_smp_config = _get_smp_config; } diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index ea9a086d0498..e66970bf27db 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -6878,6 +6878,8 @@ static void bfq_exit_queue(struct elevator_queue *e) spin_unlock_irq(&bfqd->lock); #endif

+ wbt_enable_default(bfqd->queue); + kfree(bfqd); }

diff --git a/block/blk-core.c b/block/blk-core.c index d42a0f3ff736..42ac3a985c2d 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -350,13 +350,6 @@ void blk_queue_start_drain(struct request_queue *q) wake_up_all(&q->mq_freeze_wq); }

-void blk_set_queue_dying(struct request_queue *q) -{ - blk_queue_flag_set(QUEUE_FLAG_DYING, q); - blk_queue_start_drain(q); -} -EXPORT_SYMBOL_GPL(blk_set_queue_dying); - /** * blk_cleanup_queue - shutdown a request queue * @q: request queue to shutdown @@ -374,7 +367,8 @@ void blk_cleanup_queue(struct request_queue *q) WARN_ON_ONCE(blk_queue_registered(q));

/* mark @q DYING, no new request or merges will be allowed afterwards */ - blk_set_queue_dying(q); + blk_queue_flag_set(QUEUE_FLAG_DYING, q); + blk_queue_start_drain(q);

blk_queue_flag_set(QUEUE_FLAG_NOMERGES, q); blk_queue_flag_set(QUEUE_FLAG_NOXMERGES, q); diff --git a/block/elevator.c b/block/elevator.c index cd02ae332c4e..1b5e57f6115f 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -523,8 +523,6 @@ void elv_unregister_queue(struct request_queue *q) kobject_del(&e->kobj);

e->registered = 0; - /* Re-enable throttling in case elevator disabled it */ - wbt_enable_default(q); } }

diff --git a/block/genhd.c b/block/genhd.c index de789d1a1e3d..2dcedbe4ef04 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -544,6 +544,20 @@ int device_add_disk(struct device *parent, struct gendisk *disk, } EXPORT_SYMBOL(device_add_disk);

+/** + * blk_mark_disk_dead - mark a disk as dead + * @disk: disk to mark as dead + * + * Mark as disk as dead (e.g. surprise removed) and don't accept any new I/O + * to this disk. + */ +void blk_mark_disk_dead(struct gendisk *disk) +{ + set_bit(GD_DEAD, &disk->state); + blk_queue_start_drain(disk->queue); +} +EXPORT_SYMBOL_GPL(blk_mark_disk_dead); + /** * del_gendisk - remove the gendisk * @disk: the struct gendisk to remove diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c index 1c48358b43ba..e0185e841b2a 100644 --- a/drivers/acpi/x86/s2idle.c +++ b/drivers/acpi/x86/s2idle.c @@ -424,15 +424,11 @@ static int lps0_device_attach(struct acpi_device *adev, mem_sleep_current = PM_SUSPEND_TO_IDLE;

/* - * Some Intel based LPS0 systems, like ASUS Zenbook UX430UNR/i7-8550U don't - * use intel-hid or intel-vbtn but require the EC GPE to be enabled while - * suspended for certain wakeup devices to work, so mark it as wakeup-capable. - * - * Only enable on !AMD as enabling this universally causes problems for a number - * of AMD based systems. + * Some LPS0 systems, like ASUS Zenbook UX430UNR/i7-8550U, require the + * EC GPE to be enabled while suspended for certain wakeup devices to + * work, so mark it as wakeup-capable. */ - if (!acpi_s2idle_vendor_amd()) - acpi_ec_mark_gpe_for_wake(); + acpi_ec_mark_gpe_for_wake();

return 0; } diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 4d848cfc406f..24b67d78cb83 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4014,6 +4014,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {

/* devices that don't properly handle TRIM commands */ { "SuperSSpeed S238*", NULL, ATA_HORKAGE_NOTRIM, }, + { "M88V29*", NULL, ATA_HORKAGE_NOTRIM, },

/* * As defined, the DRAT (Deterministic Read After Trim) and RZAT diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index 901855717cb5..ba61e72741ea 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -4112,7 +4112,7 @@ static void mtip_pci_remove(struct pci_dev *pdev) "Completion workers still active!\n"); }

- blk_set_queue_dying(dd->queue); + blk_mark_disk_dead(dd->disk); set_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag);

/* Clean up the block layer. */ diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index e65c9d706f6f..c4a52f33604d 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -7182,7 +7182,7 @@ static ssize_t do_rbd_remove(struct bus_type *bus, * IO to complete/fail. */ blk_mq_freeze_queue(rbd_dev->disk->queue); - blk_set_queue_dying(rbd_dev->disk->queue); + blk_mark_disk_dead(rbd_dev->disk); }

del_gendisk(rbd_dev->disk); diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 4dbb71230d6e..3efd34195983 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -2128,7 +2128,7 @@ static void blkfront_closing(struct blkfront_info *info)

/* No more blkif_request(). */ blk_mq_stop_hw_queues(info->rq); - blk_set_queue_dying(info->rq); + blk_mark_disk_dead(info->gd); set_capacity(info->gd, 0);

for_each_rinfo(info, rinfo, i) { diff --git a/drivers/char/random.c b/drivers/char/random.c index a27ae3999ff3..ebe86de9d0ac 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1963,7 +1963,10 @@ static long random_ioctl(struct file *f, unsigned int cmd, unsigned long arg) */ if (!capable(CAP_SYS_ADMIN)) return -EPERM; - input_pool.entropy_count = 0; + if (xchg(&input_pool.entropy_count, 0) && random_write_wakeup_bits) { + wake_up_interruptible(&random_write_wait); + kill_fasync(&fasync, SIGIO, POLL_OUT); + } return 0; case RNDRESEEDCRNG: if (!capable(CAP_SYS_ADMIN)) diff --git a/drivers/dma/ptdma/ptdma-dev.c b/drivers/dma/ptdma/ptdma-dev.c index 8a6bf291a73f..daafea5bc35d 100644 --- a/drivers/dma/ptdma/ptdma-dev.c +++ b/drivers/dma/ptdma/ptdma-dev.c @@ -207,7 +207,7 @@ int pt_core_init(struct pt_device *pt) if (!cmd_q->qbase) { dev_err(dev, "unable to allocate command queue\n"); ret = -ENOMEM; - goto e_dma_alloc; + goto e_destroy_pool; }

cmd_q->qidx = 0; @@ -229,8 +229,10 @@ int pt_core_init(struct pt_device *pt)

/* Request an irq */ ret = request_irq(pt->pt_irq, pt_core_irq_handler, 0, dev_name(pt->dev), pt); - if (ret) - goto e_pool; + if (ret) { + dev_err(dev, "unable to allocate an IRQ\n"); + goto e_free_dma; + }

/* Update the device registers with queue information. */ cmd_q->qcontrol &= ~CMD_Q_SIZE; @@ -250,21 +252,20 @@ int pt_core_init(struct pt_device *pt) /* Register the DMA engine support */ ret = pt_dmaengine_register(pt); if (ret) - goto e_dmaengine; + goto e_free_irq;

/* Set up debugfs entries */ ptdma_debugfs_setup(pt);

return 0;

-e_dmaengine: +e_free_irq: free_irq(pt->pt_irq, pt);

-e_dma_alloc: +e_free_dma: dma_free_coherent(dev, cmd_q->qsize, cmd_q->qbase, cmd_q->qbase_dma);

-e_pool: - dev_err(dev, "unable to allocate an IRQ\n"); +e_destroy_pool: dma_pool_destroy(pt->cmd_q.dma_pool);

return ret; diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c index 6885b3dcd7a9..f4c46b3b6d9d 100644 --- a/drivers/dma/sh/rcar-dmac.c +++ b/drivers/dma/sh/rcar-dmac.c @@ -1868,8 +1868,13 @@ static int rcar_dmac_probe(struct platform_device *pdev)

dmac->dev = &pdev->dev; platform_set_drvdata(pdev, dmac); - dma_set_max_seg_size(dmac->dev, RCAR_DMATCR_MASK); - dma_set_mask_and_coherent(dmac->dev, DMA_BIT_MASK(40)); + ret = dma_set_max_seg_size(dmac->dev, RCAR_DMATCR_MASK); + if (ret) + return ret; + + ret = dma_set_mask_and_coherent(dmac->dev, DMA_BIT_MASK(40)); + if (ret) + return ret;

ret = rcar_dmac_parse_of(&pdev->dev, dmac); if (ret < 0) diff --git a/drivers/dma/stm32-dmamux.c b/drivers/dma/stm32-dmamux.c index a42164389ebc..d5d55732adba 100644 --- a/drivers/dma/stm32-dmamux.c +++ b/drivers/dma/stm32-dmamux.c @@ -292,10 +292,12 @@ static int stm32_dmamux_probe(struct platform_device *pdev) ret = of_dma_router_register(node, stm32_dmamux_route_allocate, &stm32_dmamux->dmarouter); if (ret) - goto err_clk; + goto pm_disable;

return 0;

+pm_disable: + pm_runtime_disable(&pdev->dev); err_clk: clk_disable_unprepare(stm32_dmamux->clk);

diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index 2c5975674723..a859ddd9d4a1 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -215,7 +215,7 @@ void *edac_align_ptr(void **p, unsigned int size, int n_elems) else return (char *)ptr;

- r = (unsigned long)p % align; + r = (unsigned long)ptr % align;

if (r == 0) return (char *)ptr; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index f428f94b43c0..7e73ac6fb21d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1397,12 +1397,10 @@ int amdgpu_acpi_smart_shift_update(struct drm_device *dev, enum amdgpu_ss ss_sta int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);

void amdgpu_acpi_get_backlight_caps(struct amdgpu_dm_backlight_caps *caps); -bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev); void amdgpu_acpi_detect(void); #else static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; } static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { } -static inline bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev) { return false; } static inline void amdgpu_acpi_detect(void) { } static inline bool amdgpu_acpi_is_power_shift_control_supported(void) { return false; } static inline int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev, @@ -1411,6 +1409,14 @@ static inline int amdgpu_acpi_smart_shift_update(struct drm_device *dev, enum amdgpu_ss ss_state) { return 0; } #endif

+#if defined(CONFIG_ACPI) && defined(CONFIG_SUSPEND) +bool amdgpu_acpi_is_s3_active(struct amdgpu_device *adev); +bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev); +#else +static inline bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev) { return false; } +static inline bool amdgpu_acpi_is_s3_active(struct amdgpu_device *adev) { return false; } +#endif + int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser, uint64_t addr, struct amdgpu_bo **bo, struct amdgpu_bo_va_mapping **mapping); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c index 4811b0faafd9..0e12315fa0cb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c @@ -1031,6 +1031,20 @@ void amdgpu_acpi_detect(void) } }

+#if IS_ENABLED(CONFIG_SUSPEND) +/** + * amdgpu_acpi_is_s3_active + * + * @adev: amdgpu_device_pointer + * + * returns true if supported, false if not. + */ +bool amdgpu_acpi_is_s3_active(struct amdgpu_device *adev) +{ + return !(adev->flags & AMD_IS_APU) || + (pm_suspend_target_state == PM_SUSPEND_MEM); +} + /** * amdgpu_acpi_is_s0ix_active * @@ -1040,11 +1054,24 @@ void amdgpu_acpi_detect(void) */ bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev) { -#if IS_ENABLED(CONFIG_AMD_PMC) && IS_ENABLED(CONFIG_SUSPEND) - if (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0) { - if (adev->flags & AMD_IS_APU) - return pm_suspend_target_state == PM_SUSPEND_TO_IDLE; + if (!(adev->flags & AMD_IS_APU) || + (pm_suspend_target_state != PM_SUSPEND_TO_IDLE)) + return false; + + if (!(acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0)) { + dev_warn_once(adev->dev, + "Power consumption will be higher as BIOS has not been configured for suspend-to-idle.\n" + "To use suspend-to-idle change the sleep mode in BIOS setup.\n"); + return false; } -#endif + +#if !IS_ENABLED(CONFIG_AMD_PMC) + dev_warn_once(adev->dev, + "Power consumption will be higher as the kernel has not been compiled with CONFIG_AMD_PMC.\n"); return false; +#else + return true; +#endif /* CONFIG_AMD_PMC */ } + +#endif /* CONFIG_SUSPEND */ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 30059b7db0b2..b7509d3f7c1c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -1499,6 +1499,7 @@ static void amdgpu_drv_delayed_reset_work_handler(struct work_struct *work) static int amdgpu_pmops_prepare(struct device *dev) { struct drm_device *drm_dev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(drm_dev);

/* Return a positive number here so * DPM_FLAG_SMART_SUSPEND works properly @@ -1506,6 +1507,13 @@ static int amdgpu_pmops_prepare(struct device *dev) if (amdgpu_device_supports_boco(drm_dev)) return pm_runtime_suspended(dev);

+ /* if we will not support s3 or s2i for the device + * then skip suspend + */ + if (!amdgpu_acpi_is_s0ix_active(adev) && + !amdgpu_acpi_is_s3_active(adev)) + return 1; + return 0; }

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 94126dc39688..8132f66177c2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1892,7 +1892,7 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset, unsigned i; int r;

- if (direct_submit && !ring->sched.ready) { + if (!direct_submit && !ring->sched.ready) { DRM_ERROR("Trying to move memory with ring turned off.\n"); return -EINVAL; } diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index 8931000dcd41..e37948c15769 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -2062,6 +2062,10 @@ static int sdma_v4_0_suspend(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle;

+ /* SMU saves SDMA state for us */ + if (adev->in_s0ix) + return 0; + return sdma_v4_0_hw_fini(adev); }

@@ -2069,6 +2073,10 @@ static int sdma_v4_0_resume(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle;

+ /* SMU restores SDMA state for us */ + if (adev->in_s0ix) + return 0; + return sdma_v4_0_hw_init(adev); }

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 16556ae892d4..5ae9b8133d6d 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -3230,7 +3230,7 @@ static int dcn10_register_irq_handlers(struct amdgpu_device *adev)

/* Use GRPH_PFLIP interrupt */ for (i = DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT; - i <= DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT + adev->mode_info.num_crtc - 1; + i <= DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT + dc->caps.max_otg_num - 1; i++) { r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, i, &adev->pageflip_irq); if (r) { diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c index 162ae7186124..21d2cbc3cbb2 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_smu.c @@ -120,7 +120,11 @@ int dcn31_smu_send_msg_with_param( result = dcn31_smu_wait_for_response(clk_mgr, 10, 200000);

if (result == VBIOSSMC_Result_Failed) { - ASSERT(0); + if (msg_id == VBIOSSMC_MSG_TransferTableDram2Smu && + param == TABLE_WATERMARKS) + DC_LOG_WARNING("Watermarks table not configured properly by SMU"); + else + ASSERT(0); REG_WRITE(MP1_SMN_C2PMSG_91, VBIOSSMC_Result_OK); return -1; } diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 1860ccc3f4f2..4fae73478840 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1118,6 +1118,8 @@ struct dc *dc_create(const struct dc_init_data *init_params)

dc->caps.max_dp_protocol_version = DP_VERSION_1_4;

+ dc->caps.max_otg_num = dc->res_pool->res_cap->num_timing_generator; + if (dc->res_pool->dmcu != NULL) dc->versions.dmcu_version = dc->res_pool->dmcu->dmcu_version; } diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 3ab52d9a82cf..e0f58fab5e8e 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -185,6 +185,7 @@ struct dc_caps { struct dc_color_caps color; bool vbios_lttpr_aware; bool vbios_lttpr_enable; + uint32_t max_otg_num; };

struct dc_bug_wa { diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c index 90c73a1cb986..5e3bcaf12cac 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.c @@ -138,8 +138,11 @@ static uint32_t convert_and_clamp( ret_val = wm_ns * refclk_mhz; ret_val /= 1000;

- if (ret_val > clamp_value) + if (ret_val > clamp_value) { + /* clamping WMs is abnormal, unexpected and may lead to underflow*/ + ASSERT(0); ret_val = clamp_value; + }

return ret_val; } @@ -159,7 +162,7 @@ static bool hubbub31_program_urgent_watermarks( if (safe_to_lower || watermarks->a.urgent_ns > hubbub2->watermarks.a.urgent_ns) { hubbub2->watermarks.a.urgent_ns = watermarks->a.urgent_ns; prog_wm_value = convert_and_clamp(watermarks->a.urgent_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0x3fff); REG_SET(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_A, 0, DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_A, prog_wm_value);

@@ -193,7 +196,7 @@ static bool hubbub31_program_urgent_watermarks( if (safe_to_lower || watermarks->a.urgent_latency_ns > hubbub2->watermarks.a.urgent_latency_ns) { hubbub2->watermarks.a.urgent_latency_ns = watermarks->a.urgent_latency_ns; prog_wm_value = convert_and_clamp(watermarks->a.urgent_latency_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0x3fff); REG_SET(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_A, 0, DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_A, prog_wm_value); } else if (watermarks->a.urgent_latency_ns < hubbub2->watermarks.a.urgent_latency_ns) @@ -203,7 +206,7 @@ static bool hubbub31_program_urgent_watermarks( if (safe_to_lower || watermarks->b.urgent_ns > hubbub2->watermarks.b.urgent_ns) { hubbub2->watermarks.b.urgent_ns = watermarks->b.urgent_ns; prog_wm_value = convert_and_clamp(watermarks->b.urgent_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0x3fff); REG_SET(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_B, 0, DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_B, prog_wm_value);

@@ -237,7 +240,7 @@ static bool hubbub31_program_urgent_watermarks( if (safe_to_lower || watermarks->b.urgent_latency_ns > hubbub2->watermarks.b.urgent_latency_ns) { hubbub2->watermarks.b.urgent_latency_ns = watermarks->b.urgent_latency_ns; prog_wm_value = convert_and_clamp(watermarks->b.urgent_latency_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0x3fff); REG_SET(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_B, 0, DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_B, prog_wm_value); } else if (watermarks->b.urgent_latency_ns < hubbub2->watermarks.b.urgent_latency_ns) @@ -247,7 +250,7 @@ static bool hubbub31_program_urgent_watermarks( if (safe_to_lower || watermarks->c.urgent_ns > hubbub2->watermarks.c.urgent_ns) { hubbub2->watermarks.c.urgent_ns = watermarks->c.urgent_ns; prog_wm_value = convert_and_clamp(watermarks->c.urgent_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0x3fff); REG_SET(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_C, 0, DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_C, prog_wm_value);

@@ -281,7 +284,7 @@ static bool hubbub31_program_urgent_watermarks( if (safe_to_lower || watermarks->c.urgent_latency_ns > hubbub2->watermarks.c.urgent_latency_ns) { hubbub2->watermarks.c.urgent_latency_ns = watermarks->c.urgent_latency_ns; prog_wm_value = convert_and_clamp(watermarks->c.urgent_latency_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0x3fff); REG_SET(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_C, 0, DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_C, prog_wm_value); } else if (watermarks->c.urgent_latency_ns < hubbub2->watermarks.c.urgent_latency_ns) @@ -291,7 +294,7 @@ static bool hubbub31_program_urgent_watermarks( if (safe_to_lower || watermarks->d.urgent_ns > hubbub2->watermarks.d.urgent_ns) { hubbub2->watermarks.d.urgent_ns = watermarks->d.urgent_ns; prog_wm_value = convert_and_clamp(watermarks->d.urgent_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0x3fff); REG_SET(DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_D, 0, DCHUBBUB_ARB_DATA_URGENCY_WATERMARK_D, prog_wm_value);

@@ -325,7 +328,7 @@ static bool hubbub31_program_urgent_watermarks( if (safe_to_lower || watermarks->d.urgent_latency_ns > hubbub2->watermarks.d.urgent_latency_ns) { hubbub2->watermarks.d.urgent_latency_ns = watermarks->d.urgent_latency_ns; prog_wm_value = convert_and_clamp(watermarks->d.urgent_latency_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0x3fff); REG_SET(DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_D, 0, DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_D, prog_wm_value); } else if (watermarks->d.urgent_latency_ns < hubbub2->watermarks.d.urgent_latency_ns) @@ -351,7 +354,7 @@ static bool hubbub31_program_stutter_watermarks( watermarks->a.cstate_pstate.cstate_enter_plus_exit_ns; prog_wm_value = convert_and_clamp( watermarks->a.cstate_pstate.cstate_enter_plus_exit_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0xffff); REG_SET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_A, 0, DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_A, prog_wm_value); DC_LOG_BANDWIDTH_CALCS("SR_ENTER_EXIT_WATERMARK_A calculated =%d\n" @@ -367,7 +370,7 @@ static bool hubbub31_program_stutter_watermarks( watermarks->a.cstate_pstate.cstate_exit_ns; prog_wm_value = convert_and_clamp( watermarks->a.cstate_pstate.cstate_exit_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0xffff); REG_SET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_A, 0, DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_A, prog_wm_value); DC_LOG_BANDWIDTH_CALCS("SR_EXIT_WATERMARK_A calculated =%d\n" @@ -383,7 +386,7 @@ static bool hubbub31_program_stutter_watermarks( watermarks->a.cstate_pstate.cstate_enter_plus_exit_z8_ns; prog_wm_value = convert_and_clamp( watermarks->a.cstate_pstate.cstate_enter_plus_exit_z8_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0xffff); REG_SET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_Z8_A, 0, DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_Z8_A, prog_wm_value); DC_LOG_BANDWIDTH_CALCS("SR_ENTER_WATERMARK_Z8_A calculated =%d\n" @@ -399,7 +402,7 @@ static bool hubbub31_program_stutter_watermarks( watermarks->a.cstate_pstate.cstate_exit_z8_ns; prog_wm_value = convert_and_clamp( watermarks->a.cstate_pstate.cstate_exit_z8_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0xffff); REG_SET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_Z8_A, 0, DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_Z8_A, prog_wm_value); DC_LOG_BANDWIDTH_CALCS("SR_EXIT_WATERMARK_Z8_A calculated =%d\n" @@ -416,7 +419,7 @@ static bool hubbub31_program_stutter_watermarks( watermarks->b.cstate_pstate.cstate_enter_plus_exit_ns; prog_wm_value = convert_and_clamp( watermarks->b.cstate_pstate.cstate_enter_plus_exit_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0xffff); REG_SET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_B, 0, DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_B, prog_wm_value); DC_LOG_BANDWIDTH_CALCS("SR_ENTER_EXIT_WATERMARK_B calculated =%d\n" @@ -432,7 +435,7 @@ static bool hubbub31_program_stutter_watermarks( watermarks->b.cstate_pstate.cstate_exit_ns; prog_wm_value = convert_and_clamp( watermarks->b.cstate_pstate.cstate_exit_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0xffff); REG_SET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_B, 0, DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_B, prog_wm_value); DC_LOG_BANDWIDTH_CALCS("SR_EXIT_WATERMARK_B calculated =%d\n" @@ -448,7 +451,7 @@ static bool hubbub31_program_stutter_watermarks( watermarks->b.cstate_pstate.cstate_enter_plus_exit_z8_ns; prog_wm_value = convert_and_clamp( watermarks->b.cstate_pstate.cstate_enter_plus_exit_z8_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0xffff); REG_SET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_Z8_B, 0, DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_Z8_B, prog_wm_value); DC_LOG_BANDWIDTH_CALCS("SR_ENTER_WATERMARK_Z8_B calculated =%d\n" @@ -464,7 +467,7 @@ static bool hubbub31_program_stutter_watermarks( watermarks->b.cstate_pstate.cstate_exit_z8_ns; prog_wm_value = convert_and_clamp( watermarks->b.cstate_pstate.cstate_exit_z8_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0xffff); REG_SET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_Z8_B, 0, DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_Z8_B, prog_wm_value); DC_LOG_BANDWIDTH_CALCS("SR_EXIT_WATERMARK_Z8_B calculated =%d\n" @@ -481,7 +484,7 @@ static bool hubbub31_program_stutter_watermarks( watermarks->c.cstate_pstate.cstate_enter_plus_exit_ns; prog_wm_value = convert_and_clamp( watermarks->c.cstate_pstate.cstate_enter_plus_exit_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0xffff); REG_SET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_C, 0, DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_C, prog_wm_value); DC_LOG_BANDWIDTH_CALCS("SR_ENTER_EXIT_WATERMARK_C calculated =%d\n" @@ -497,7 +500,7 @@ static bool hubbub31_program_stutter_watermarks( watermarks->c.cstate_pstate.cstate_exit_ns; prog_wm_value = convert_and_clamp( watermarks->c.cstate_pstate.cstate_exit_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0xffff); REG_SET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_C, 0, DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_C, prog_wm_value); DC_LOG_BANDWIDTH_CALCS("SR_EXIT_WATERMARK_C calculated =%d\n" @@ -513,7 +516,7 @@ static bool hubbub31_program_stutter_watermarks( watermarks->c.cstate_pstate.cstate_enter_plus_exit_z8_ns; prog_wm_value = convert_and_clamp( watermarks->c.cstate_pstate.cstate_enter_plus_exit_z8_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0xffff); REG_SET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_Z8_C, 0, DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_Z8_C, prog_wm_value); DC_LOG_BANDWIDTH_CALCS("SR_ENTER_WATERMARK_Z8_C calculated =%d\n" @@ -529,7 +532,7 @@ static bool hubbub31_program_stutter_watermarks( watermarks->c.cstate_pstate.cstate_exit_z8_ns; prog_wm_value = convert_and_clamp( watermarks->c.cstate_pstate.cstate_exit_z8_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0xffff); REG_SET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_Z8_C, 0, DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_Z8_C, prog_wm_value); DC_LOG_BANDWIDTH_CALCS("SR_EXIT_WATERMARK_Z8_C calculated =%d\n" @@ -546,7 +549,7 @@ static bool hubbub31_program_stutter_watermarks( watermarks->d.cstate_pstate.cstate_enter_plus_exit_ns; prog_wm_value = convert_and_clamp( watermarks->d.cstate_pstate.cstate_enter_plus_exit_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0xffff); REG_SET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_D, 0, DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_D, prog_wm_value); DC_LOG_BANDWIDTH_CALCS("SR_ENTER_EXIT_WATERMARK_D calculated =%d\n" @@ -562,7 +565,7 @@ static bool hubbub31_program_stutter_watermarks( watermarks->d.cstate_pstate.cstate_exit_ns; prog_wm_value = convert_and_clamp( watermarks->d.cstate_pstate.cstate_exit_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0xffff); REG_SET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_D, 0, DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_D, prog_wm_value); DC_LOG_BANDWIDTH_CALCS("SR_EXIT_WATERMARK_D calculated =%d\n" @@ -578,7 +581,7 @@ static bool hubbub31_program_stutter_watermarks( watermarks->d.cstate_pstate.cstate_enter_plus_exit_z8_ns; prog_wm_value = convert_and_clamp( watermarks->d.cstate_pstate.cstate_enter_plus_exit_z8_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0xffff); REG_SET(DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_Z8_D, 0, DCHUBBUB_ARB_ALLOW_SR_ENTER_WATERMARK_Z8_D, prog_wm_value); DC_LOG_BANDWIDTH_CALCS("SR_ENTER_WATERMARK_Z8_D calculated =%d\n" @@ -594,7 +597,7 @@ static bool hubbub31_program_stutter_watermarks( watermarks->d.cstate_pstate.cstate_exit_z8_ns; prog_wm_value = convert_and_clamp( watermarks->d.cstate_pstate.cstate_exit_z8_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0xffff); REG_SET(DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_Z8_D, 0, DCHUBBUB_ARB_ALLOW_SR_EXIT_WATERMARK_Z8_D, prog_wm_value); DC_LOG_BANDWIDTH_CALCS("SR_EXIT_WATERMARK_Z8_D calculated =%d\n" @@ -625,7 +628,7 @@ static bool hubbub31_program_pstate_watermarks( watermarks->a.cstate_pstate.pstate_change_ns; prog_wm_value = convert_and_clamp( watermarks->a.cstate_pstate.pstate_change_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0xffff); REG_SET(DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_A, 0, DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_A, prog_wm_value); DC_LOG_BANDWIDTH_CALCS("DRAM_CLK_CHANGE_WATERMARK_A calculated =%d\n" @@ -642,7 +645,7 @@ static bool hubbub31_program_pstate_watermarks( watermarks->b.cstate_pstate.pstate_change_ns; prog_wm_value = convert_and_clamp( watermarks->b.cstate_pstate.pstate_change_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0xffff); REG_SET(DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_B, 0, DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_B, prog_wm_value); DC_LOG_BANDWIDTH_CALCS("DRAM_CLK_CHANGE_WATERMARK_B calculated =%d\n" @@ -659,7 +662,7 @@ static bool hubbub31_program_pstate_watermarks( watermarks->c.cstate_pstate.pstate_change_ns; prog_wm_value = convert_and_clamp( watermarks->c.cstate_pstate.pstate_change_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0xffff); REG_SET(DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_C, 0, DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_C, prog_wm_value); DC_LOG_BANDWIDTH_CALCS("DRAM_CLK_CHANGE_WATERMARK_C calculated =%d\n" @@ -676,7 +679,7 @@ static bool hubbub31_program_pstate_watermarks( watermarks->d.cstate_pstate.pstate_change_ns; prog_wm_value = convert_and_clamp( watermarks->d.cstate_pstate.pstate_change_ns, - refclk_mhz, 0x1fffff); + refclk_mhz, 0xffff); REG_SET(DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_D, 0, DCHUBBUB_ARB_ALLOW_DRAM_CLK_CHANGE_WATERMARK_D, prog_wm_value); DC_LOG_BANDWIDTH_CALCS("DRAM_CLK_CHANGE_WATERMARK_D calculated =%d\n" diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c index a403657151ba..0e1a843608e4 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c @@ -291,14 +291,9 @@ static int yellow_carp_post_smu_init(struct smu_context *smu)

static int yellow_carp_mode_reset(struct smu_context *smu, int type) { - int ret = 0, index = 0; - - index = smu_cmn_to_asic_specific_index(smu, CMN2ASIC_MAPPING_MSG, - SMU_MSG_GfxDeviceDriverReset); - if (index < 0) - return index == -EACCES ? 0 : index; + int ret = 0;

- ret = smu_cmn_send_smc_msg_with_param(smu, (uint16_t)index, type, NULL); + ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_GfxDeviceDriverReset, type, NULL); if (ret) dev_err(smu->adev->dev, "Failed to mode reset!\n");

diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c index 909f31833181..f195c7013137 100644 --- a/drivers/gpu/drm/drm_atomic_uapi.c +++ b/drivers/gpu/drm/drm_atomic_uapi.c @@ -76,15 +76,17 @@ int drm_atomic_set_mode_for_crtc(struct drm_crtc_state *state, state->mode_blob = NULL;

if (mode) { + struct drm_property_blob *blob; + drm_mode_convert_to_umode(&umode, mode); - state->mode_blob = - drm_property_create_blob(state->crtc->dev, - sizeof(umode), - &umode); - if (IS_ERR(state->mode_blob)) - return PTR_ERR(state->mode_blob); + blob = drm_property_create_blob(crtc->dev, + sizeof(umode), &umode); + if (IS_ERR(blob)) + return PTR_ERR(blob);

drm_mode_copy(&state->mode, mode); + + state->mode_blob = blob; state->enable = true; drm_dbg_atomic(crtc->dev, "Set [MODE:%s] for [CRTC:%d:%s] state %p\n", diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c b/drivers/gpu/drm/drm_gem_cma_helper.c index 9d05674550a4..6533efa84020 100644 --- a/drivers/gpu/drm/drm_gem_cma_helper.c +++ b/drivers/gpu/drm/drm_gem_cma_helper.c @@ -515,6 +515,7 @@ int drm_gem_cma_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma) */ vma->vm_pgoff -= drm_vma_node_start(&obj->vma_node); vma->vm_flags &= ~VM_PFNMAP; + vma->vm_flags |= VM_DONTEXPAND;

cma_obj = to_drm_gem_cma_obj(obj);

diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig index f960f5d7664e..fe6b34774483 100644 --- a/drivers/gpu/drm/i915/Kconfig +++ b/drivers/gpu/drm/i915/Kconfig @@ -101,6 +101,7 @@ config DRM_I915_USERPTR config DRM_I915_GVT bool "Enable Intel GVT-g graphics virtualization host support" depends on DRM_I915 + depends on X86 depends on 64BIT default n help diff --git a/drivers/gpu/drm/i915/display/intel_opregion.c b/drivers/gpu/drm/i915/display/intel_opregion.c index 3855fba70980..f7f49b69830f 100644 --- a/drivers/gpu/drm/i915/display/intel_opregion.c +++ b/drivers/gpu/drm/i915/display/intel_opregion.c @@ -361,6 +361,21 @@ int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, port++; }

+ /* + * The port numbering and mapping here is bizarre. The now-obsolete + * swsci spec supports ports numbered [0..4]. Port E is handled as a + * special case, but port F and beyond are not. The functionality is + * supposed to be obsolete for new platforms. Just bail out if the port + * number is out of bounds after mapping. + */ + if (port > 4) { + drm_dbg_kms(&dev_priv->drm, + "[ENCODER:%d:%s] port %c (index %u) out of bounds for display power state notification\n", + intel_encoder->base.base.id, intel_encoder->base.name, + port_name(intel_encoder->port), port); + return -EINVAL; + } + if (!enable) parm |= 4 << 8;

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c index 6ea13159bffc..4b823fbfe76a 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c @@ -759,11 +759,9 @@ static void i915_ttm_adjust_lru(struct drm_i915_gem_object *obj) if (obj->mm.madv != I915_MADV_WILLNEED) { bo->priority = I915_TTM_PRIO_PURGE; } else if (!i915_gem_object_has_pages(obj)) { - if (bo->priority < I915_TTM_PRIO_HAS_PAGES) - bo->priority = I915_TTM_PRIO_HAS_PAGES; + bo->priority = I915_TTM_PRIO_NO_PAGES; } else { - if (bo->priority > I915_TTM_PRIO_NO_PAGES) - bo->priority = I915_TTM_PRIO_NO_PAGES; + bo->priority = I915_TTM_PRIO_HAS_PAGES; }

ttm_bo_move_to_lru_tail(bo, bo->resource, NULL); diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index aea4cc2b3486..8937bc8985d6 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4844,7 +4844,7 @@ static bool check_mbus_joined(u8 active_pipes, { int i;

- for (i = 0; i < dbuf_slices[i].active_pipes; i++) { + for (i = 0; dbuf_slices[i].active_pipes != 0; i++) { if (dbuf_slices[i].active_pipes == active_pipes) return dbuf_slices[i].join_mbus; } @@ -4861,7 +4861,7 @@ static u8 compute_dbuf_slices(enum pipe pipe, u8 active_pipes, bool join_mbus, { int i;

- for (i = 0; i < dbuf_slices[i].active_pipes; i++) { + for (i = 0; dbuf_slices[i].active_pipes != 0; i++) { if (dbuf_slices[i].active_pipes == active_pipes && dbuf_slices[i].join_mbus == join_mbus) return dbuf_slices[i].dbuf_mask[pipe]; diff --git a/drivers/gpu/drm/nouveau/nvkm/falcon/base.c b/drivers/gpu/drm/nouveau/nvkm/falcon/base.c index 262641a014b0..c91130a6be2a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/falcon/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/falcon/base.c @@ -117,8 +117,12 @@ nvkm_falcon_disable(struct nvkm_falcon *falcon) int nvkm_falcon_reset(struct nvkm_falcon *falcon) { - nvkm_falcon_disable(falcon); - return nvkm_falcon_enable(falcon); + if (!falcon->func->reset) { + nvkm_falcon_disable(falcon); + return nvkm_falcon_enable(falcon); + } + + return falcon->func->reset(falcon); }

int diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm200.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm200.c index 5968c7696596..40439e329aa9 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm200.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm200.c @@ -23,9 +23,38 @@ */ #include "priv.h"

+static int +gm200_pmu_flcn_reset(struct nvkm_falcon *falcon) +{ + struct nvkm_pmu *pmu = container_of(falcon, typeof(*pmu), falcon); + + nvkm_falcon_wr32(falcon, 0x014, 0x0000ffff); + pmu->func->reset(pmu); + return nvkm_falcon_enable(falcon); +} + +const struct nvkm_falcon_func +gm200_pmu_flcn = { + .debug = 0xc08, + .fbif = 0xe00, + .load_imem = nvkm_falcon_v1_load_imem, + .load_dmem = nvkm_falcon_v1_load_dmem, + .read_dmem = nvkm_falcon_v1_read_dmem, + .bind_context = nvkm_falcon_v1_bind_context, + .wait_for_halt = nvkm_falcon_v1_wait_for_halt, + .clear_interrupt = nvkm_falcon_v1_clear_interrupt, + .set_start_addr = nvkm_falcon_v1_set_start_addr, + .start = nvkm_falcon_v1_start, + .enable = nvkm_falcon_v1_enable, + .disable = nvkm_falcon_v1_disable, + .reset = gm200_pmu_flcn_reset, + .cmdq = { 0x4a0, 0x4b0, 4 }, + .msgq = { 0x4c8, 0x4cc, 0 }, +}; + static const struct nvkm_pmu_func gm200_pmu = { - .flcn = &gt215_pmu_flcn, + .flcn = &gm200_pmu_flcn, .enabled = gf100_pmu_enabled, .reset = gf100_pmu_reset, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c index 148706977eec..e1772211b0a4 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c @@ -211,7 +211,7 @@ gm20b_pmu_recv(struct nvkm_pmu *pmu)

static const struct nvkm_pmu_func gm20b_pmu = { - .flcn = &gt215_pmu_flcn, + .flcn = &gm200_pmu_flcn, .enabled = gf100_pmu_enabled, .intr = gt215_pmu_intr, .recv = gm20b_pmu_recv, diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c index 00da1b873ce8..6bf7fc1bd1e3 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c @@ -39,7 +39,7 @@ gp102_pmu_enabled(struct nvkm_pmu *pmu)

static const struct nvkm_pmu_func gp102_pmu = { - .flcn = &gt215_pmu_flcn, + .flcn = &gm200_pmu_flcn, .enabled = gp102_pmu_enabled, .reset = gp102_pmu_reset, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp10b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp10b.c index 461f722656e2..ba1583bb618b 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp10b.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp10b.c @@ -78,7 +78,7 @@ gp10b_pmu_acr = {

static const struct nvkm_pmu_func gp10b_pmu = { - .flcn = &gt215_pmu_flcn, + .flcn = &gm200_pmu_flcn, .enabled = gf100_pmu_enabled, .intr = gt215_pmu_intr, .recv = gm20b_pmu_recv, diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/priv.h index e7860d177353..bcaade758ff7 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/priv.h @@ -44,6 +44,8 @@ void gf100_pmu_reset(struct nvkm_pmu *);

void gk110_pmu_pgob(struct nvkm_pmu *, bool);

+extern const struct nvkm_falcon_func gm200_pmu_flcn; + void gm20b_pmu_acr_bld_patch(struct nvkm_acr *, u32, s64); void gm20b_pmu_acr_bld_write(struct nvkm_acr *, u32, struct nvkm_acr_lsfw *); int gm20b_pmu_acr_boot(struct nvkm_falcon *); diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index 0fce73b9a646..70bd84b7ef2b 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -198,7 +198,8 @@ void radeon_atom_backlight_init(struct radeon_encoder *radeon_encoder, * so don't register a backlight device */ if ((rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE) && - (rdev->pdev->device == 0x6741)) + (rdev->pdev->device == 0x6741) && + !dmi_match(DMI_PRODUCT_NAME, "iMac12,1")) return;

if (!radeon_encoder->enc_priv) diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c index 830bdd5e9b7c..8677c8271678 100644 --- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c @@ -529,13 +529,6 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master, return ret; }

- ret = clk_prepare_enable(hdmi->vpll_clk); - if (ret) { - DRM_DEV_ERROR(hdmi->dev, "Failed to enable HDMI vpll: %d\n", - ret); - return ret; - } - hdmi->phy = devm_phy_optional_get(dev, "hdmi"); if (IS_ERR(hdmi->phy)) { ret = PTR_ERR(hdmi->phy); @@ -544,6 +537,13 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master, return ret; }

+ ret = clk_prepare_enable(hdmi->vpll_clk); + if (ret) { + DRM_DEV_ERROR(hdmi->dev, "Failed to enable HDMI vpll: %d\n", + ret); + return ret; + } + drm_encoder_helper_add(encoder, &dw_hdmi_rockchip_encoder_helper_funcs); drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS);

diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c index 05c007b213f2..f7a4eaf3a2e0 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c +++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c @@ -36,11 +36,11 @@ static int amd_sfh_wait_response_v2(struct amd_mp2_dev *mp2, u8 sid, u32 sensor_ { union cmd_response cmd_resp;

- /* Get response with status within a max of 800 ms timeout */ + /* Get response with status within a max of 1600 ms timeout */ if (!readl_poll_timeout(mp2->mmio + AMD_P2C_MSG(0), cmd_resp.resp, (cmd_resp.response_v2.response == sensor_sts && cmd_resp.response_v2.status == 0 && (sid == 0xff || - cmd_resp.response_v2.sensor_id == sid)), 500, 800000)) + cmd_resp.response_v2.sensor_id == sid)), 500, 1600000)) return cmd_resp.response_v2.response;

return SENSOR_DISABLED; diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h index 1ff6f83cb6fd..9c9119227135 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h +++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h @@ -48,7 +48,7 @@ union sfh_cmd_base { } s; struct { u32 cmd_id : 4; - u32 intr_enable : 1; + u32 intr_disable : 1; u32 rsvd1 : 3; u32 length : 7; u32 mem_type : 1; diff --git a/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c b/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c index 0c3697219382..07eb3281b88d 100644 --- a/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c +++ b/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c @@ -26,6 +26,7 @@ #define HID_USAGE_SENSOR_STATE_READY_ENUM 0x02 #define HID_USAGE_SENSOR_STATE_INITIALIZING_ENUM 0x05 #define HID_USAGE_SENSOR_EVENT_DATA_UPDATED_ENUM 0x04 +#define ILLUMINANCE_MASK GENMASK(14, 0)

int get_report_descriptor(int sensor_idx, u8 *rep_desc) { @@ -245,7 +246,8 @@ u8 get_input_report(u8 current_index, int sensor_idx, int report_id, struct amd_ get_common_inputs(&als_input.common_property, report_id); /* For ALS ,V2 Platforms uses C2P_MSG5 register instead of DRAM access method */ if (supported_input == V2_STATUS) - als_input.illuminance_value = (int)readl(privdata->mmio + AMD_C2P_MSG(5)); + als_input.illuminance_value = + readl(privdata->mmio + AMD_C2P_MSG(5)) & ILLUMINANCE_MASK; else als_input.illuminance_value = (int)sensor_virt_addr[0] / AMD_SFH_FW_MULTIPLIER; diff --git a/drivers/hid/hid-elo.c b/drivers/hid/hid-elo.c index 8e960d7b233b..9b42b0cdeef0 100644 --- a/drivers/hid/hid-elo.c +++ b/drivers/hid/hid-elo.c @@ -262,6 +262,7 @@ static int elo_probe(struct hid_device *hdev, const struct hid_device_id *id)

return 0; err_free: + usb_put_dev(udev); kfree(priv); return ret; } diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index bdedf594e2d1..645a5f566d23 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -1353,6 +1353,7 @@ #define USB_VENDOR_ID_UGTIZER 0x2179 #define USB_DEVICE_ID_UGTIZER_TABLET_GP0610 0x0053 #define USB_DEVICE_ID_UGTIZER_TABLET_GT5040 0x0077 +#define USB_DEVICE_ID_UGTIZER_TABLET_WP5540 0x0004

#define USB_VENDOR_ID_VIEWSONIC 0x0543 #define USB_DEVICE_ID_VIEWSONIC_PD1011 0xe621 diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c index 65b711476174..544d1197aca4 100644 --- a/drivers/hid/hid-quirks.c +++ b/drivers/hid/hid-quirks.c @@ -187,6 +187,7 @@ static const struct hid_device_id hid_quirks[] = { { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD), HID_QUIRK_NOGET }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_KNA5), HID_QUIRK_MULTI_INPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWA60), HID_QUIRK_MULTI_INPUT }, + { HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_WP5540), HID_QUIRK_MULTI_INPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH), HID_QUIRK_MULTI_INPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH), HID_QUIRK_MULTI_INPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET), HID_QUIRK_MULTI_INPUT }, diff --git a/drivers/hid/i2c-hid/i2c-hid-of-goodix.c b/drivers/hid/i2c-hid/i2c-hid-of-goodix.c index b4dad66fa954..ec6c73f75ffe 100644 --- a/drivers/hid/i2c-hid/i2c-hid-of-goodix.c +++ b/drivers/hid/i2c-hid/i2c-hid-of-goodix.c @@ -27,7 +27,6 @@ struct i2c_hid_of_goodix {

struct regulator *vdd; struct notifier_block nb; - struct mutex regulator_mutex; struct gpio_desc *reset_gpio; const struct goodix_i2c_hid_timing_data *timings; }; @@ -67,8 +66,6 @@ static int ihid_goodix_vdd_notify(struct notifier_block *nb, container_of(nb, struct i2c_hid_of_goodix, nb); int ret = NOTIFY_OK;

- mutex_lock(&ihid_goodix->regulator_mutex); - switch (event) { case REGULATOR_EVENT_PRE_DISABLE: gpiod_set_value_cansleep(ihid_goodix->reset_gpio, 1); @@ -87,8 +84,6 @@ static int ihid_goodix_vdd_notify(struct notifier_block *nb, break; }

- mutex_unlock(&ihid_goodix->regulator_mutex); - return ret; }

@@ -102,8 +97,6 @@ static int i2c_hid_of_goodix_probe(struct i2c_client *client, if (!ihid_goodix) return -ENOMEM;

- mutex_init(&ihid_goodix->regulator_mutex); - ihid_goodix->ops.power_up = goodix_i2c_hid_power_up; ihid_goodix->ops.power_down = goodix_i2c_hid_power_down;

@@ -130,25 +123,28 @@ static int i2c_hid_of_goodix_probe(struct i2c_client *client, * long. Holding the controller in reset apparently draws extra * power. */ - mutex_lock(&ihid_goodix->regulator_mutex); ihid_goodix->nb.notifier_call = ihid_goodix_vdd_notify; ret = devm_regulator_register_notifier(ihid_goodix->vdd, &ihid_goodix->nb); - if (ret) { - mutex_unlock(&ihid_goodix->regulator_mutex); + if (ret) return dev_err_probe(&client->dev, ret, "regulator notifier request failed\n"); - }

/* * If someone else is holding the regulator on (or the regulator is * an always-on one) we might never be told to deassert reset. Do it - * now. Here we'll assume that someone else might have _just - * barely_ turned the regulator on so we'll do the full - * "post_power_delay" just in case. + * now... and temporarily bump the regulator reference count just to + * make sure it is impossible for this to race with our own notifier! + * We also assume that someone else might have _just barely_ turned + * the regulator on so we'll do the full "post_power_delay" just in + * case. */ - if (ihid_goodix->reset_gpio && regulator_is_enabled(ihid_goodix->vdd)) + if (ihid_goodix->reset_gpio && regulator_is_enabled(ihid_goodix->vdd)) { + ret = regulator_enable(ihid_goodix->vdd); + if (ret) + return ret; goodix_i2c_hid_deassert_reset(ihid_goodix, true); - mutex_unlock(&ihid_goodix->regulator_mutex); + regulator_disable(ihid_goodix->vdd); + }

return i2c_hid_core_probe(client, &ihid_goodix->ops, 0x0001, 0); } diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 392c1ac4f819..44bd0b6ff505 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -2027,8 +2027,10 @@ int vmbus_add_channel_kobj(struct hv_device *dev, struct vmbus_channel *channel) kobj->kset = dev->channels_kset; ret = kobject_init_and_add(kobj, &vmbus_chan_ktype, NULL, "%u", relid); - if (ret) + if (ret) { + kobject_put(kobj); return ret; + }

ret = sysfs_create_group(kobj, &vmbus_chan_group);

@@ -2037,6 +2039,7 @@ int vmbus_add_channel_kobj(struct hv_device *dev, struct vmbus_channel *channel) * The calling functions' error handling paths will cleanup the * empty channel directory. */ + kobject_put(kobj); dev_err(device, "Unable to set up channel sysfs files\n"); return ret; } diff --git a/drivers/i2c/busses/i2c-brcmstb.c b/drivers/i2c/busses/i2c-brcmstb.c index 490ee3962645..b00f35c0b066 100644 --- a/drivers/i2c/busses/i2c-brcmstb.c +++ b/drivers/i2c/busses/i2c-brcmstb.c @@ -673,7 +673,7 @@ static int brcmstb_i2c_probe(struct platform_device *pdev)

/* set the data in/out register size for compatible SoCs */ if (of_device_is_compatible(dev->device->of_node, - "brcmstb,brcmper-i2c")) + "brcm,brcmper-i2c")) dev->data_regsz = sizeof(u8); else dev->data_regsz = sizeof(u32); diff --git a/drivers/i2c/busses/i2c-qcom-cci.c b/drivers/i2c/busses/i2c-qcom-cci.c index c1de8eb66169..cf54f1cb4c57 100644 --- a/drivers/i2c/busses/i2c-qcom-cci.c +++ b/drivers/i2c/busses/i2c-qcom-cci.c @@ -558,7 +558,7 @@ static int cci_probe(struct platform_device *pdev) cci->master[idx].adap.quirks = &cci->data->quirks; cci->master[idx].adap.algo = &cci_algo; cci->master[idx].adap.dev.parent = dev; - cci->master[idx].adap.dev.of_node = child; + cci->master[idx].adap.dev.of_node = of_node_get(child); cci->master[idx].master = idx; cci->master[idx].cci = cci;

@@ -643,8 +643,10 @@ static int cci_probe(struct platform_device *pdev) continue;

ret = i2c_add_adapter(&cci->master[i].adap); - if (ret < 0) + if (ret < 0) { + of_node_put(cci->master[i].adap.dev.of_node); goto error_i2c; + } }

pm_runtime_set_autosuspend_delay(dev, MSEC_PER_SEC); @@ -655,9 +657,11 @@ static int cci_probe(struct platform_device *pdev) return 0;

error_i2c: - for (; i >= 0; i--) { - if (cci->master[i].cci) + for (--i ; i >= 0; i--) { + if (cci->master[i].cci) { i2c_del_adapter(&cci->master[i].adap); + of_node_put(cci->master[i].adap.dev.of_node); + } } error: disable_irq(cci->irq); @@ -673,8 +677,10 @@ static int cci_remove(struct platform_device *pdev) int i;

for (i = 0; i < cci->data->num_masters; i++) { - if (cci->master[i].cci) + if (cci->master[i].cci) { i2c_del_adapter(&cci->master[i].adap); + of_node_put(cci->master[i].adap.dev.of_node); + } cci_halt(cci, i); }

diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c index 259065d271ef..09cc98266d30 100644 --- a/drivers/irqchip/irq-sifive-plic.c +++ b/drivers/irqchip/irq-sifive-plic.c @@ -398,3 +398,4 @@ static int __init plic_init(struct device_node *node,

IRQCHIP_DECLARE(sifive_plic, "sifive,plic-1.0.0", plic_init); IRQCHIP_DECLARE(riscv_plic0, "riscv,plic0", plic_init); /* for legacy systems */ +IRQCHIP_DECLARE(thead_c900_plic, "thead,c900-plic", plic_init); /* for firmware driver */ diff --git a/drivers/md/dm.c b/drivers/md/dm.c index b75ff6b2b952..5f33700d1247 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -2156,7 +2156,7 @@ static void __dm_destroy(struct mapped_device *md, bool wait) set_bit(DMF_FREEING, &md->flags); spin_unlock(&_minor_lock);

- blk_set_queue_dying(md->queue); + blk_mark_disk_dead(md->disk);

/* * Take suspend_lock so that presuspend and postsuspend methods diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index 431af5e8be2f..b575d0bfd0d6 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -1682,31 +1682,31 @@ static void mmc_blk_read_single(struct mmc_queue *mq, struct request *req) struct mmc_card *card = mq->card; struct mmc_host *host = card->host; blk_status_t error = BLK_STS_OK; - int retries = 0;

do { u32 status; int err; + int retries = 0;

- mmc_blk_rw_rq_prep(mqrq, card, 1, mq); + while (retries++ <= MMC_READ_SINGLE_RETRIES) { + mmc_blk_rw_rq_prep(mqrq, card, 1, mq);

- mmc_wait_for_req(host, mrq); + mmc_wait_for_req(host, mrq);

- err = mmc_send_status(card, &status); - if (err) - goto error_exit; - - if (!mmc_host_is_spi(host) && - !mmc_ready_for_data(status)) { - err = mmc_blk_fix_state(card, req); + err = mmc_send_status(card, &status); if (err) goto error_exit; - }

- if (mrq->cmd->error && retries++ < MMC_READ_SINGLE_RETRIES) - continue; + if (!mmc_host_is_spi(host) && + !mmc_ready_for_data(status)) { + err = mmc_blk_fix_state(card, req); + if (err) + goto error_exit; + }

- retries = 0; + if (!mrq->cmd->error) + break; + }

if (mrq->cmd->error || mrq->data->error || diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c index 6ed6c51fac69..d503821a3e60 100644 --- a/drivers/mtd/devices/phram.c +++ b/drivers/mtd/devices/phram.c @@ -264,16 +264,20 @@ static int phram_setup(const char *val) } }

- if (erasesize) - div_u64_rem(len, (uint32_t)erasesize, &rem); - if (len == 0 || erasesize == 0 || erasesize > len - || erasesize > UINT_MAX || rem) { + || erasesize > UINT_MAX) { parse_err("illegal erasesize or len\n"); ret = -EINVAL; goto error; }

+ div_u64_rem(len, (uint32_t)erasesize, &rem); + if (rem) { + parse_err("len is not multiple of erasesize\n"); + ret = -EINVAL; + goto error; + } + ret = register_device(name, start, len, (uint32_t)erasesize); if (ret) goto error; diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c index f75929783b94..aee78f5f4f15 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c @@ -2106,7 +2106,7 @@ static int brcmnand_read_by_pio(struct mtd_info *mtd, struct nand_chip *chip, mtd->oobsize / trans, host->hwcfg.sector_size_1k);

- if (!ret) { + if (ret != -EBADMSG) { *err_addr = brcmnand_get_uncorrecc_addr(ctrl);

if (*err_addr) diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c index 6e9f7d80ef8b..668d69fe4cf2 100644 --- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c @@ -2293,7 +2293,7 @@ static int gpmi_nfc_exec_op(struct nand_chip *chip, this->hw.must_apply_timings = false; ret = gpmi_nfc_apply_timings(this); if (ret) - return ret; + goto out_pm; }

dev_dbg(this->dev, "%s: %d instructions\n", __func__, op->ninstrs); @@ -2422,6 +2422,7 @@ static int gpmi_nfc_exec_op(struct nand_chip *chip,

this->bch = false;

+out_pm: pm_runtime_mark_last_busy(this->dev); pm_runtime_put_autosuspend(this->dev);

diff --git a/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c b/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c index efe0ffe4f1ab..9054559e52dd 100644 --- a/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c +++ b/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c @@ -68,9 +68,14 @@ static struct ingenic_ecc *ingenic_ecc_get(struct device_node *np) struct ingenic_ecc *ecc;

pdev = of_find_device_by_node(np); - if (!pdev || !platform_get_drvdata(pdev)) + if (!pdev) return ERR_PTR(-EPROBE_DEFER);

+ if (!platform_get_drvdata(pdev)) { + put_device(&pdev->dev); + return ERR_PTR(-EPROBE_DEFER); + } + ecc = platform_get_drvdata(pdev); clk_prepare_enable(ecc->clk);

diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c index 04e6f7b26706..0f41a9a42157 100644 --- a/drivers/mtd/nand/raw/qcom_nandc.c +++ b/drivers/mtd/nand/raw/qcom_nandc.c @@ -2,7 +2,6 @@ /* * Copyright (c) 2016, The Linux Foundation. All rights reserved. */ - #include <linux/clk.h> #include <linux/slab.h> #include <linux/bitops.h> @@ -3063,10 +3062,6 @@ static int qcom_nandc_probe(struct platform_device *pdev) if (dma_mapping_error(dev, nandc->base_dma)) return -ENXIO;

- ret = qcom_nandc_alloc(nandc); - if (ret) - goto err_nandc_alloc; - ret = clk_prepare_enable(nandc->core_clk); if (ret) goto err_core_clk; @@ -3075,6 +3070,10 @@ static int qcom_nandc_probe(struct platform_device *pdev) if (ret) goto err_aon_clk;

+ ret = qcom_nandc_alloc(nandc); + if (ret) + goto err_nandc_alloc; + ret = qcom_nandc_setup(nandc); if (ret) goto err_setup; @@ -3086,15 +3085,14 @@ static int qcom_nandc_probe(struct platform_device *pdev) return 0;

err_setup: + qcom_nandc_unalloc(nandc); +err_nandc_alloc: clk_disable_unprepare(nandc->aon_clk); err_aon_clk: clk_disable_unprepare(nandc->core_clk); err_core_clk: - qcom_nandc_unalloc(nandc); -err_nandc_alloc: dma_unmap_resource(dev, res->start, resource_size(res), DMA_BIDIRECTIONAL, 0); - return ret; }

diff --git a/drivers/mtd/parsers/qcomsmempart.c b/drivers/mtd/parsers/qcomsmempart.c index 06a818cd2433..32ddfea70142 100644 --- a/drivers/mtd/parsers/qcomsmempart.c +++ b/drivers/mtd/parsers/qcomsmempart.c @@ -58,11 +58,11 @@ static int parse_qcomsmem_part(struct mtd_info *mtd, const struct mtd_partition **pparts, struct mtd_part_parser_data *data) { + size_t len = SMEM_FLASH_PTABLE_HDR_LEN; + int ret, i, j, tmpparts, numparts = 0; struct smem_flash_pentry *pentry; struct smem_flash_ptable *ptable; - size_t len = SMEM_FLASH_PTABLE_HDR_LEN; struct mtd_partition *parts; - int ret, i, numparts; char *name, *c;

if (IS_ENABLED(CONFIG_MTD_SPI_NOR_USE_4K_SECTORS) @@ -87,8 +87,8 @@ static int parse_qcomsmem_part(struct mtd_info *mtd, }

/* Ensure that # of partitions is less than the max we have allocated */ - numparts = le32_to_cpu(ptable->numparts); - if (numparts > SMEM_FLASH_PTABLE_MAX_PARTS_V4) { + tmpparts = le32_to_cpu(ptable->numparts); + if (tmpparts > SMEM_FLASH_PTABLE_MAX_PARTS_V4) { pr_err("Partition numbers exceed the max limit\n"); return -EINVAL; } @@ -116,11 +116,17 @@ static int parse_qcomsmem_part(struct mtd_info *mtd, return PTR_ERR(ptable); }

+ for (i = 0; i < tmpparts; i++) { + pentry = &ptable->pentry[i]; + if (pentry->name[0] != '\0') + numparts++; + } + parts = kcalloc(numparts, sizeof(*parts), GFP_KERNEL); if (!parts) return -ENOMEM;

- for (i = 0; i < numparts; i++) { + for (i = 0, j = 0; i < tmpparts; i++) { pentry = &ptable->pentry[i]; if (pentry->name[0] == '\0') continue; @@ -135,24 +141,25 @@ static int parse_qcomsmem_part(struct mtd_info *mtd, for (c = name; *c != '\0'; c++) *c = tolower(*c);

- parts[i].name = name; - parts[i].offset = le32_to_cpu(pentry->offset) * mtd->erasesize; - parts[i].mask_flags = pentry->attr; - parts[i].size = le32_to_cpu(pentry->length) * mtd->erasesize; + parts[j].name = name; + parts[j].offset = le32_to_cpu(pentry->offset) * mtd->erasesize; + parts[j].mask_flags = pentry->attr; + parts[j].size = le32_to_cpu(pentry->length) * mtd->erasesize; pr_debug("%d: %s offs=0x%08x size=0x%08x attr:0x%08x\n", i, pentry->name, le32_to_cpu(pentry->offset), le32_to_cpu(pentry->length), pentry->attr); + j++; }

pr_debug("SMEM partition table found: ver: %d len: %d\n", - le32_to_cpu(ptable->version), numparts); + le32_to_cpu(ptable->version), tmpparts); *pparts = parts;

return numparts;

out_free_parts: - while (--i >= 0) - kfree(parts[i].name); + while (--j >= 0) + kfree(parts[j].name); kfree(parts); *pparts = NULL;

@@ -166,6 +173,8 @@ static void parse_qcomsmem_cleanup(const struct mtd_partition *pparts,

for (i = 0; i < nr_parts; i++) kfree(pparts[i].name); + + kfree(pparts); }

static const struct of_device_id qcomsmem_of_match_table[] = { diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index 9fd1d6cba3cd..a86b1f71762e 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -225,7 +225,7 @@ static inline int __check_agg_selection_timer(struct port *port) if (bond == NULL) return 0;

- return BOND_AD_INFO(bond).agg_select_timer ? 1 : 0; + return atomic_read(&BOND_AD_INFO(bond).agg_select_timer) ? 1 : 0; }

/** @@ -1995,7 +1995,7 @@ static void ad_marker_response_received(struct bond_marker *marker, */ void bond_3ad_initiate_agg_selection(struct bonding *bond, int timeout) { - BOND_AD_INFO(bond).agg_select_timer = timeout; + atomic_set(&BOND_AD_INFO(bond).agg_select_timer, timeout); }

/** @@ -2278,6 +2278,28 @@ void bond_3ad_update_ad_actor_settings(struct bonding *bond) spin_unlock_bh(&bond->mode_lock); }

+/** + * bond_agg_timer_advance - advance agg_select_timer + * @bond: bonding structure + * + * Return true when agg_select_timer reaches 0. + */ +static bool bond_agg_timer_advance(struct bonding *bond) +{ + int val, nval; + + while (1) { + val = atomic_read(&BOND_AD_INFO(bond).agg_select_timer); + if (!val) + return false; + nval = val - 1; + if (atomic_cmpxchg(&BOND_AD_INFO(bond).agg_select_timer, + val, nval) == val) + break; + } + return nval == 0; +} + /** * bond_3ad_state_machine_handler - handle state machines timeout * @work: work context to fetch bonding struct to work on from @@ -2313,9 +2335,7 @@ void bond_3ad_state_machine_handler(struct work_struct *work) if (!bond_has_slaves(bond)) goto re_arm;

- /* check if agg_select_timer timer after initialize is timed out */ - if (BOND_AD_INFO(bond).agg_select_timer && - !(--BOND_AD_INFO(bond).agg_select_timer)) { + if (bond_agg_timer_advance(bond)) { slave = bond_first_slave_rcu(bond); port = slave ? &(SLAVE_AD_INFO(slave)->port) : NULL;

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 83cdaabd7b69..46c3301a5e07 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -2377,10 +2377,9 @@ static int __bond_release_one(struct net_device *bond_dev, bond_select_active_slave(bond); }

- if (!bond_has_slaves(bond)) { - bond_set_carrier(bond); + bond_set_carrier(bond); + if (!bond_has_slaves(bond)) eth_hw_addr_random(bond_dev); - }

unblock_netpoll_tx(); synchronize_rcu(); diff --git a/drivers/net/dsa/Kconfig b/drivers/net/dsa/Kconfig index 9891b072b462..9428aac4a686 100644 --- a/drivers/net/dsa/Kconfig +++ b/drivers/net/dsa/Kconfig @@ -81,6 +81,7 @@ config NET_DSA_REALTEK_SMI

config NET_DSA_SMSC_LAN9303 tristate + depends on VLAN_8021Q || VLAN_8021Q=n select NET_DSA_TAG_LAN9303 select REGMAP help diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c index 89f920289ae2..0b6f29ee87b5 100644 --- a/drivers/net/dsa/lan9303-core.c +++ b/drivers/net/dsa/lan9303-core.c @@ -10,6 +10,7 @@ #include <linux/mii.h> #include <linux/phy.h> #include <linux/if_bridge.h> +#include <linux/if_vlan.h> #include <linux/etherdevice.h>

#include "lan9303.h" @@ -1083,21 +1084,27 @@ static void lan9303_adjust_link(struct dsa_switch *ds, int port, static int lan9303_port_enable(struct dsa_switch *ds, int port, struct phy_device *phy) { + struct dsa_port *dp = dsa_to_port(ds, port); struct lan9303 *chip = ds->priv;

- if (!dsa_is_user_port(ds, port)) + if (!dsa_port_is_user(dp)) return 0;

+ vlan_vid_add(dp->cpu_dp->master, htons(ETH_P_8021Q), port); + return lan9303_enable_processing_port(chip, port); }

static void lan9303_port_disable(struct dsa_switch *ds, int port) { + struct dsa_port *dp = dsa_to_port(ds, port); struct lan9303 *chip = ds->priv;

- if (!dsa_is_user_port(ds, port)) + if (!dsa_port_is_user(dp)) return;

+ vlan_vid_del(dp->cpu_dp->master, htons(ETH_P_8021Q), port); + lan9303_disable_processing_port(chip, port); lan9303_phy_write(ds, chip->phy_addr_base + port, MII_BMCR, BMCR_PDOWN); } @@ -1309,7 +1316,7 @@ static int lan9303_probe_reset_gpio(struct lan9303 *chip, struct device_node *np) { chip->reset_gpio = devm_gpiod_get_optional(chip->dev, "reset", - GPIOD_OUT_LOW); + GPIOD_OUT_HIGH); if (IS_ERR(chip->reset_gpio)) return PTR_ERR(chip->reset_gpio);

diff --git a/drivers/net/dsa/lantiq_gswip.c b/drivers/net/dsa/lantiq_gswip.c index 503adf03d2fc..9e006a25b636 100644 --- a/drivers/net/dsa/lantiq_gswip.c +++ b/drivers/net/dsa/lantiq_gswip.c @@ -2201,8 +2201,8 @@ static int gswip_remove(struct platform_device *pdev)

if (priv->ds->slave_mii_bus) { mdiobus_unregister(priv->ds->slave_mii_bus); - mdiobus_free(priv->ds->slave_mii_bus); of_node_put(priv->ds->slave_mii_bus->dev.of_node); + mdiobus_free(priv->ds->slave_mii_bus); }

for (i = 0; i < priv->num_gphy_fw; i++) diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 056e3b65cd27..263da7e2d6be 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -2291,6 +2291,13 @@ static int mv88e6xxx_port_vlan_del(struct dsa_switch *ds, int port, if (!mv88e6xxx_max_vid(chip)) return -EOPNOTSUPP;

+ /* The ATU removal procedure needs the FID to be mapped in the VTU, + * but FDB deletion runs concurrently with VLAN deletion. Flush the DSA + * switchdev workqueue to ensure that all FDB entries are deleted + * before we remove the VLAN. + */ + dsa_flush_workqueue(); + mv88e6xxx_reg_lock(chip);

err = mv88e6xxx_port_get_pvid(chip, port, &pvid); diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c index 3b51b172b317..5cbd815c737e 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c @@ -900,7 +900,7 @@ static void atl1c_clean_tx_ring(struct atl1c_adapter *adapter, atl1c_clean_buffer(pdev, buffer_info); }

- netdev_reset_queue(adapter->netdev); + netdev_tx_reset_queue(netdev_get_tx_queue(adapter->netdev, queue));

/* Zero out Tx-buffers */ memset(tpd_ring->desc, 0, sizeof(struct atl1c_tpd_desc) * diff --git a/drivers/net/ethernet/broadcom/bgmac-platform.c b/drivers/net/ethernet/broadcom/bgmac-platform.c index df8ff839cc62..94eb3a42158e 100644 --- a/drivers/net/ethernet/broadcom/bgmac-platform.c +++ b/drivers/net/ethernet/broadcom/bgmac-platform.c @@ -172,6 +172,7 @@ static int bgmac_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct bgmac *bgmac; + struct resource *regs; int ret;

bgmac = bgmac_alloc(&pdev->dev); @@ -208,15 +209,23 @@ static int bgmac_probe(struct platform_device *pdev) if (IS_ERR(bgmac->plat.base)) return PTR_ERR(bgmac->plat.base);

- bgmac->plat.idm_base = devm_platform_ioremap_resource_byname(pdev, "idm_base"); - if (IS_ERR(bgmac->plat.idm_base)) - return PTR_ERR(bgmac->plat.idm_base); - else + /* The idm_base resource is optional for some platforms */ + regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "idm_base"); + if (regs) { + bgmac->plat.idm_base = devm_ioremap_resource(&pdev->dev, regs); + if (IS_ERR(bgmac->plat.idm_base)) + return PTR_ERR(bgmac->plat.idm_base); bgmac->feature_flags &= ~BGMAC_FEAT_IDM_MASK; + }

- bgmac->plat.nicpm_base = devm_platform_ioremap_resource_byname(pdev, "nicpm_base"); - if (IS_ERR(bgmac->plat.nicpm_base)) - return PTR_ERR(bgmac->plat.nicpm_base); + /* The nicpm_base resource is optional for some platforms */ + regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "nicpm_base"); + if (regs) { + bgmac->plat.nicpm_base = devm_ioremap_resource(&pdev->dev, + regs); + if (IS_ERR(bgmac->plat.nicpm_base)) + return PTR_ERR(bgmac->plat.nicpm_base); + }

bgmac->read = platform_bgmac_read; bgmac->write = platform_bgmac_write; diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index d13fb1d31821..d71c11a6282e 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -4739,7 +4739,7 @@ static int macb_probe(struct platform_device *pdev)

#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT if (GEM_BFEXT(DAW64, gem_readl(bp, DCFG6))) { - dma_set_mask(&pdev->dev, DMA_BIT_MASK(44)); + dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(44)); bp->hw_dma_cap |= HW_DMA_CAP_64B; } #endif diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c index 110075336a75..8b7a29e1e221 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -4329,7 +4329,7 @@ static int dpaa2_eth_probe(struct fsl_mc_device *dpni_dev) }

INIT_WORK(&priv->tx_onestep_tstamp, dpaa2_eth_tx_onestep_tstamp); - + mutex_init(&priv->onestep_tstamp_lock); skb_queue_head_init(&priv->tx_skbs);

priv->rx_copybreak = DPAA2_ETH_DEFAULT_COPYBREAK; diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-flower.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-flower.c index d6eefbbf163f..cacd454ac696 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-flower.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-flower.c @@ -532,6 +532,7 @@ static int dpaa2_switch_flower_parse_mirror_key(struct flow_cls_offload *cls, struct flow_rule *rule = flow_cls_offload_flow_rule(cls); struct flow_dissector *dissector = rule->match.dissector; struct netlink_ext_ack *extack = cls->common.extack; + int ret = -EOPNOTSUPP;

if (dissector->used_keys & ~(BIT(FLOW_DISSECTOR_KEY_BASIC) | @@ -561,9 +562,10 @@ static int dpaa2_switch_flower_parse_mirror_key(struct flow_cls_offload *cls, }

*vlan = (u16)match.key->vlan_id; + ret = 0; }

- return 0; + return ret; }

static int diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 62bf879dc623..8c08997dcef6 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -1521,6 +1521,12 @@ static void ice_vsi_set_rss_flow_fld(struct ice_vsi *vsi) if (status) dev_dbg(dev, "ice_add_rss_cfg failed for sctp6 flow, vsi = %d, error = %s\n", vsi_num, ice_stat_str(status)); + + status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_ESP_SPI, + ICE_FLOW_SEG_HDR_ESP); + if (status) + dev_dbg(dev, "ice_add_rss_cfg failed for esp/spi flow, vsi = %d, error = %d\n", + vsi_num, status); }

/** diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c b/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c index dc7e5ea6ec15..148d431fcde4 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c @@ -145,9 +145,9 @@ static void sparx5_xtr_grp(struct sparx5 *sparx5, u8 grp, bool byte_swap) skb_put(skb, byte_cnt - ETH_FCS_LEN); eth_skb_pad(skb); skb->protocol = eth_type_trans(skb, netdev); - netif_rx(skb); netdev->stats.rx_bytes += skb->len; netdev->stats.rx_packets++; + netif_rx(skb); }

static int sparx5_inject(struct sparx5 *sparx5, diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c index 7d67f41387f5..4f5ef8a9a9a8 100644 --- a/drivers/net/ieee802154/at86rf230.c +++ b/drivers/net/ieee802154/at86rf230.c @@ -100,6 +100,7 @@ struct at86rf230_local { unsigned long cal_timeout; bool is_tx; bool is_tx_from_off; + bool was_tx; u8 tx_retry; struct sk_buff *tx_skb; struct at86rf230_state_change tx; @@ -343,7 +344,11 @@ at86rf230_async_error_recover_complete(void *context) if (ctx->free) kfree(ctx);

- ieee802154_wake_queue(lp->hw); + if (lp->was_tx) { + lp->was_tx = 0; + dev_kfree_skb_any(lp->tx_skb); + ieee802154_wake_queue(lp->hw); + } }

static void @@ -352,7 +357,11 @@ at86rf230_async_error_recover(void *context) struct at86rf230_state_change *ctx = context; struct at86rf230_local *lp = ctx->lp;

- lp->is_tx = 0; + if (lp->is_tx) { + lp->was_tx = 1; + lp->is_tx = 0; + } + at86rf230_async_state_change(lp, ctx, STATE_RX_AACK_ON, at86rf230_async_error_recover_complete); } diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c index 97fbe850de9b..96592a20c61f 100644 --- a/drivers/net/ieee802154/ca8210.c +++ b/drivers/net/ieee802154/ca8210.c @@ -2977,8 +2977,8 @@ static void ca8210_hw_setup(struct ieee802154_hw *ca8210_hw) ca8210_hw->phy->cca.opt = NL802154_CCA_OPT_ENERGY_CARRIER_AND; ca8210_hw->phy->cca_ed_level = -9800; ca8210_hw->phy->symbol_duration = 16; - ca8210_hw->phy->lifs_period = 40; - ca8210_hw->phy->sifs_period = 12; + ca8210_hw->phy->lifs_period = 40 * ca8210_hw->phy->symbol_duration; + ca8210_hw->phy->sifs_period = 12 * ca8210_hw->phy->symbol_duration; ca8210_hw->flags = IEEE802154_HW_AFILT | IEEE802154_HW_OMIT_CKSUM | diff --git a/drivers/net/netdevsim/fib.c b/drivers/net/netdevsim/fib.c index 4300261e2f9e..378ee779061c 100644 --- a/drivers/net/netdevsim/fib.c +++ b/drivers/net/netdevsim/fib.c @@ -623,14 +623,14 @@ static int nsim_fib6_rt_append(struct nsim_fib_data *data, if (err) goto err_fib6_rt_nh_del;

- fib6_event->rt_arr[i]->trap = true; + WRITE_ONCE(fib6_event->rt_arr[i]->trap, true); }

return 0;

err_fib6_rt_nh_del: for (i--; i >= 0; i--) { - fib6_event->rt_arr[i]->trap = false; + WRITE_ONCE(fib6_event->rt_arr[i]->trap, false); nsim_fib6_rt_nh_del(fib6_rt, fib6_event->rt_arr[i]); } return err; diff --git a/drivers/net/phy/mediatek-ge.c b/drivers/net/phy/mediatek-ge.c index b7a5ae20edd5..68ee434f9dea 100644 --- a/drivers/net/phy/mediatek-ge.c +++ b/drivers/net/phy/mediatek-ge.c @@ -55,9 +55,6 @@ static int mt7530_phy_config_init(struct phy_device *phydev)

static int mt7531_phy_config_init(struct phy_device *phydev) { - if (phydev->interface != PHY_INTERFACE_MODE_INTERNAL) - return -EINVAL; - mtk_gephy_config_init(phydev);

/* PHY link down power saving enable */ diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 33ada2c59952..0c7f02ca6822 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -1395,6 +1395,8 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */ {QMI_FIXED_INTF(0x413c, 0x81d7, 1)}, /* Dell Wireless 5821e preproduction config */ {QMI_FIXED_INTF(0x413c, 0x81e0, 0)}, /* Dell Wireless 5821e with eSIM support*/ + {QMI_FIXED_INTF(0x413c, 0x81e4, 0)}, /* Dell Wireless 5829e with eSIM support*/ + {QMI_FIXED_INTF(0x413c, 0x81e6, 0)}, /* Dell Wireless 5829e */ {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */ {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */ diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c index 0eb13e5df517..d99140960a82 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c @@ -693,7 +693,7 @@ int brcmf_fw_get_firmwares(struct device *dev, struct brcmf_fw_request *req, { struct brcmf_fw_item *first = &req->items[0]; struct brcmf_fw *fwctx; - char *alt_path; + char *alt_path = NULL; int ret;

brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(dev)); @@ -712,7 +712,9 @@ int brcmf_fw_get_firmwares(struct device *dev, struct brcmf_fw_request *req, fwctx->done = fw_cb;

/* First try alternative board-specific path if any */ - alt_path = brcm_alt_fw_path(first->path, fwctx->req->board_type); + if (fwctx->req->board_type) + alt_path = brcm_alt_fw_path(first->path, + fwctx->req->board_type); if (alt_path) { ret = request_firmware_nowait(THIS_MODULE, true, alt_path, fwctx->dev, GFP_KERNEL, fwctx, diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c index 1efac0b2a94d..9e00d1d7e146 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* * Copyright (C) 2017 Intel Deutschland GmbH - * Copyright (C) 2019-2021 Intel Corporation + * Copyright (C) 2019-2022 Intel Corporation */ #include <linux/uuid.h> #include "iwl-drv.h" @@ -814,10 +814,11 @@ bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt) * only one using version 36, so skip this version entirely. */ return IWL_UCODE_SERIAL(fwrt->fw->ucode_ver) >= 38 || - IWL_UCODE_SERIAL(fwrt->fw->ucode_ver) == 17 || - (IWL_UCODE_SERIAL(fwrt->fw->ucode_ver) == 29 && - ((fwrt->trans->hw_rev & CSR_HW_REV_TYPE_MSK) == - CSR_HW_REV_TYPE_7265D)); + (IWL_UCODE_SERIAL(fwrt->fw->ucode_ver) == 17 && + fwrt->trans->hw_rev != CSR_HW_REV_TYPE_3160) || + (IWL_UCODE_SERIAL(fwrt->fw->ucode_ver) == 29 && + ((fwrt->trans->hw_rev & CSR_HW_REV_TYPE_MSK) == + CSR_HW_REV_TYPE_7265D)); } IWL_EXPORT_SYMBOL(iwl_sar_geo_support);

diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-csr.h b/drivers/net/wireless/intel/iwlwifi/iwl-csr.h index 845a09d0daba..c8dff76ac03c 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-csr.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* - * Copyright (C) 2005-2014, 2018-2021 Intel Corporation + * Copyright (C) 2005-2014, 2018-2022 Intel Corporation * Copyright (C) 2013-2014 Intel Mobile Communications GmbH * Copyright (C) 2016 Intel Deutschland GmbH */ @@ -319,6 +319,7 @@ enum { #define CSR_HW_REV_TYPE_2x00 (0x0000100) #define CSR_HW_REV_TYPE_105 (0x0000110) #define CSR_HW_REV_TYPE_135 (0x0000120) +#define CSR_HW_REV_TYPE_3160 (0x0000164) #define CSR_HW_REV_TYPE_7265D (0x0000210) #define CSR_HW_REV_TYPE_NONE (0x00001F0) #define CSR_HW_REV_TYPE_QNJ (0x0000360) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c index b7f7b9c5b670..524b0ad87357 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c @@ -1614,6 +1614,8 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) out_unbind: complete(&drv->request_firmware_complete); device_release_driver(drv->trans->dev); + /* drv has just been freed by the release */ + failure = false; free: if (failure) iwl_dealloc_ucode(drv); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index 74404c96063b..bcc032c815dc 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -1572,7 +1572,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm) ret = iwl_mvm_sar_init(mvm); if (ret == 0) ret = iwl_mvm_sar_geo_init(mvm); - else if (ret < 0) + if (ret < 0) goto error;

iwl_mvm_tas_init(mvm); diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c index bf0c32a74ca4..a9c19be29e92 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c @@ -408,8 +408,7 @@ int iwl_trans_pcie_gen2_start_fw(struct iwl_trans *trans, /* This may fail if AMT took ownership of the device */ if (iwl_pcie_prepare_card_hw(trans)) { IWL_WARN(trans, "Exit HW not ready\n"); - ret = -EIO; - goto out; + return -EIO; }

iwl_enable_rfkill_int(trans); diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index f252680f18e8..02da9cc8646c 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -1273,8 +1273,7 @@ static int iwl_trans_pcie_start_fw(struct iwl_trans *trans, /* This may fail if AMT took ownership of the device */ if (iwl_pcie_prepare_card_hw(trans)) { IWL_WARN(trans, "Exit HW not ready\n"); - ret = -EIO; - goto out; + return -EIO; }

iwl_enable_rfkill_int(trans); diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index f8dd664b2eda..a480e1af48e8 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -131,7 +131,7 @@ static void nvme_set_queue_dying(struct nvme_ns *ns) if (test_and_set_bit(NVME_NS_DEAD, &ns->flags)) return;

- blk_set_queue_dying(ns->queue); + blk_mark_disk_dead(ns->disk); blk_mq_unquiesce_queue(ns->queue);

set_capacity_and_notify(ns->disk, 0); @@ -4187,7 +4187,14 @@ static void nvme_async_event_work(struct work_struct *work) container_of(work, struct nvme_ctrl, async_event_work);

nvme_aen_uevent(ctrl); - ctrl->ops->submit_async_event(ctrl); + + /* + * The transport drivers must guarantee AER submission here is safe by + * flushing ctrl async_event_work after changing the controller state + * from LIVE and before freeing the admin queue. + */ + if (ctrl->state == NVME_CTRL_LIVE) + ctrl->ops->submit_async_event(ctrl); }

static bool nvme_ctrl_pp_status(struct nvme_ctrl *ctrl) diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 2f76969408b2..727520c39710 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -792,7 +792,7 @@ void nvme_mpath_remove_disk(struct nvme_ns_head *head) { if (!head->disk) return; - blk_set_queue_dying(head->disk->queue); + blk_mark_disk_dead(head->disk); /* make sure all pending bios are cleaned up */ kblockd_schedule_work(&head->requeue_work); flush_work(&head->requeue_work); diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 0498801542eb..d51f52e296f5 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -1192,6 +1192,7 @@ static void nvme_rdma_error_recovery_work(struct work_struct *work) struct nvme_rdma_ctrl, err_work);

nvme_stop_keep_alive(&ctrl->ctrl); + flush_work(&ctrl->ctrl.async_event_work); nvme_rdma_teardown_io_queues(ctrl, false); nvme_start_queues(&ctrl->ctrl); nvme_rdma_teardown_admin_queue(ctrl, false); diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index efa9037da53c..ef65d24639c4 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -2105,6 +2105,7 @@ static void nvme_tcp_error_recovery_work(struct work_struct *work) struct nvme_ctrl *ctrl = &tcp_ctrl->ctrl;

nvme_stop_keep_alive(ctrl); + flush_work(&ctrl->async_event_work); nvme_tcp_teardown_io_queues(ctrl, false); /* unquiesce to fail fast pending requests */ nvme_start_queues(ctrl); diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c index 059566f54429..9be007c9420f 100644 --- a/drivers/parisc/ccio-dma.c +++ b/drivers/parisc/ccio-dma.c @@ -1003,7 +1003,7 @@ ccio_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents, ioc->usg_calls++; #endif

- while(sg_dma_len(sglist) && nents--) { + while (nents && sg_dma_len(sglist)) {

#ifdef CCIO_COLLECT_STATS ioc->usg_pages += sg_dma_len(sglist) >> PAGE_SHIFT; @@ -1011,6 +1011,7 @@ ccio_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents, ccio_unmap_page(dev, sg_dma_address(sglist), sg_dma_len(sglist), direction, 0); ++sglist; + nents--; }

DBG_RUN_SG("%s() DONE (nents %d)\n", __func__, nents); diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c index e60690d38d67..374b9199878d 100644 --- a/drivers/parisc/sba_iommu.c +++ b/drivers/parisc/sba_iommu.c @@ -1047,7 +1047,7 @@ sba_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents, spin_unlock_irqrestore(&ioc->res_lock, flags); #endif

- while (sg_dma_len(sglist) && nents--) { + while (nents && sg_dma_len(sglist)) {

sba_unmap_page(dev, sg_dma_address(sglist), sg_dma_len(sglist), direction, 0); @@ -1056,6 +1056,7 @@ sba_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents, ioc->usingle_calls--; /* kluge since call is unmap_sg() */ #endif ++sglist; + nents--; }

DBG_RUN_SG("%s() DONE (nents %d)\n", __func__, nents); diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index 67c46e52c0dc..9dd4502d32a4 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -1899,8 +1899,17 @@ static void hv_pci_assign_numa_node(struct hv_pcibus_device *hbus) if (!hv_dev) continue;

- if (hv_dev->desc.flags & HV_PCI_DEVICE_FLAG_NUMA_AFFINITY) - set_dev_node(&dev->dev, hv_dev->desc.virtual_numa_node); + if (hv_dev->desc.flags & HV_PCI_DEVICE_FLAG_NUMA_AFFINITY && + hv_dev->desc.virtual_numa_node < num_possible_nodes()) + /* + * The kernel may boot with some NUMA nodes offline + * (e.g. in a KDUMP kernel) or with NUMA disabled via + * "numa=off". In those cases, adjust the host provided + * NUMA node to a valid NUMA node used by the kernel. + */ + set_dev_node(&dev->dev, + numa_map_to_online_node( + hv_dev->desc.virtual_numa_node));

put_pcichild(hv_dev); } diff --git a/drivers/phy/broadcom/phy-brcm-usb.c b/drivers/phy/broadcom/phy-brcm-usb.c index 116fb23aebd9..0f1deb6e0eab 100644 --- a/drivers/phy/broadcom/phy-brcm-usb.c +++ b/drivers/phy/broadcom/phy-brcm-usb.c @@ -18,6 +18,7 @@ #include <linux/soc/brcmstb/brcmstb.h> #include <dt-bindings/phy/phy.h> #include <linux/mfd/syscon.h> +#include <linux/suspend.h>

#include "phy-brcm-usb-init.h"

@@ -70,12 +71,35 @@ struct brcm_usb_phy_data { int init_count; int wake_irq; struct brcm_usb_phy phys[BRCM_USB_PHY_ID_MAX]; + struct notifier_block pm_notifier; + bool pm_active; };

static s8 *node_reg_names[BRCM_REGS_MAX] = { "crtl", "xhci_ec", "xhci_gbl", "usb_phy", "usb_mdio", "bdc_ec" };

+static int brcm_pm_notifier(struct notifier_block *notifier, + unsigned long pm_event, + void *unused) +{ + struct brcm_usb_phy_data *priv = + container_of(notifier, struct brcm_usb_phy_data, pm_notifier); + + switch (pm_event) { + case PM_HIBERNATION_PREPARE: + case PM_SUSPEND_PREPARE: + priv->pm_active = true; + break; + case PM_POST_RESTORE: + case PM_POST_HIBERNATION: + case PM_POST_SUSPEND: + priv->pm_active = false; + break; + } + return NOTIFY_DONE; +} + static irqreturn_t brcm_usb_phy_wake_isr(int irq, void *dev_id) { struct phy *gphy = dev_id; @@ -91,6 +115,9 @@ static int brcm_usb_phy_init(struct phy *gphy) struct brcm_usb_phy_data *priv = container_of(phy, struct brcm_usb_phy_data, phys[phy->id]);

+ if (priv->pm_active) + return 0; + /* * Use a lock to make sure a second caller waits until * the base phy is inited before using it. @@ -120,6 +147,9 @@ static int brcm_usb_phy_exit(struct phy *gphy) struct brcm_usb_phy_data *priv = container_of(phy, struct brcm_usb_phy_data, phys[phy->id]);

+ if (priv->pm_active) + return 0; + dev_dbg(&gphy->dev, "EXIT\n"); if (phy->id == BRCM_USB_PHY_2_0) brcm_usb_uninit_eohci(&priv->ini); @@ -488,6 +518,9 @@ static int brcm_usb_phy_probe(struct platform_device *pdev) if (err) return err;

+ priv->pm_notifier.notifier_call = brcm_pm_notifier; + register_pm_notifier(&priv->pm_notifier); + mutex_init(&priv->mutex);

/* make sure invert settings are correct */ @@ -528,7 +561,10 @@ static int brcm_usb_phy_probe(struct platform_device *pdev)

static int brcm_usb_phy_remove(struct platform_device *pdev) { + struct brcm_usb_phy_data *priv = dev_get_drvdata(&pdev->dev); + sysfs_remove_group(&pdev->dev.kobj, &brcm_usb_phy_group); + unregister_pm_notifier(&priv->pm_notifier);

return 0; } @@ -539,6 +575,7 @@ static int brcm_usb_phy_suspend(struct device *dev) struct brcm_usb_phy_data *priv = dev_get_drvdata(dev);

if (priv->init_count) { + dev_dbg(dev, "SUSPEND\n"); priv->ini.wake_enabled = device_may_wakeup(dev); if (priv->phys[BRCM_USB_PHY_3_0].inited) brcm_usb_uninit_xhci(&priv->ini); @@ -578,6 +615,7 @@ static int brcm_usb_phy_resume(struct device *dev) * Uninitialize anything that wasn't previously initialized. */ if (priv->init_count) { + dev_dbg(dev, "RESUME\n"); if (priv->wake_irq >= 0) disable_irq_wake(priv->wake_irq); brcm_usb_init_common(&priv->ini); diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c index 98a942c607a6..db39b0c4649a 100644 --- a/drivers/phy/mediatek/phy-mtk-tphy.c +++ b/drivers/phy/mediatek/phy-mtk-tphy.c @@ -1125,7 +1125,7 @@ static int phy_efuse_get(struct mtk_tphy *tphy, struct mtk_phy_instance *instanc /* no efuse, ignore it */ if (!instance->efuse_intr && !instance->efuse_rx_imp && - !instance->efuse_rx_imp) { + !instance->efuse_tx_imp) { dev_warn(dev, "no u3 intr efuse, but dts enable it\n"); instance->efuse_sw_en = 0; break; diff --git a/drivers/pinctrl/bcm/Kconfig b/drivers/pinctrl/bcm/Kconfig index c9c5efc92731..5973a279e6b8 100644 --- a/drivers/pinctrl/bcm/Kconfig +++ b/drivers/pinctrl/bcm/Kconfig @@ -35,6 +35,7 @@ config PINCTRL_BCM63XX select PINCONF select GENERIC_PINCONF select GPIOLIB + select REGMAP select GPIO_REGMAP

config PINCTRL_BCM6318 diff --git a/drivers/platform/x86/intel/speed_select_if/isst_if_common.c b/drivers/platform/x86/intel/speed_select_if/isst_if_common.c index c9a85eb2e860..e8424e70d81d 100644 --- a/drivers/platform/x86/intel/speed_select_if/isst_if_common.c +++ b/drivers/platform/x86/intel/speed_select_if/isst_if_common.c @@ -596,7 +596,10 @@ static long isst_if_def_ioctl(struct file *file, unsigned int cmd, return ret; }

-static DEFINE_MUTEX(punit_misc_dev_lock); +/* Lock to prevent module registration when already opened by user space */ +static DEFINE_MUTEX(punit_misc_dev_open_lock); +/* Lock to allow one share misc device for all ISST interace */ +static DEFINE_MUTEX(punit_misc_dev_reg_lock); static int misc_usage_count; static int misc_device_ret; static int misc_device_open; @@ -606,7 +609,7 @@ static int isst_if_open(struct inode *inode, struct file *file) int i, ret = 0;

/* Fail open, if a module is going away */ - mutex_lock(&punit_misc_dev_lock); + mutex_lock(&punit_misc_dev_open_lock); for (i = 0; i < ISST_IF_DEV_MAX; ++i) { struct isst_if_cmd_cb *cb = &punit_callbacks[i];

@@ -628,7 +631,7 @@ static int isst_if_open(struct inode *inode, struct file *file) } else { misc_device_open++; } - mutex_unlock(&punit_misc_dev_lock); + mutex_unlock(&punit_misc_dev_open_lock);

return ret; } @@ -637,7 +640,7 @@ static int isst_if_relase(struct inode *inode, struct file *f) { int i;

- mutex_lock(&punit_misc_dev_lock); + mutex_lock(&punit_misc_dev_open_lock); misc_device_open--; for (i = 0; i < ISST_IF_DEV_MAX; ++i) { struct isst_if_cmd_cb *cb = &punit_callbacks[i]; @@ -645,7 +648,7 @@ static int isst_if_relase(struct inode *inode, struct file *f) if (cb->registered) module_put(cb->owner); } - mutex_unlock(&punit_misc_dev_lock); + mutex_unlock(&punit_misc_dev_open_lock);

return 0; } @@ -662,6 +665,43 @@ static struct miscdevice isst_if_char_driver = { .fops = &isst_if_char_driver_ops, };

+static int isst_misc_reg(void) +{ + mutex_lock(&punit_misc_dev_reg_lock); + if (misc_device_ret) + goto unlock_exit; + + if (!misc_usage_count) { + misc_device_ret = isst_if_cpu_info_init(); + if (misc_device_ret) + goto unlock_exit; + + misc_device_ret = misc_register(&isst_if_char_driver); + if (misc_device_ret) { + isst_if_cpu_info_exit(); + goto unlock_exit; + } + } + misc_usage_count++; + +unlock_exit: + mutex_unlock(&punit_misc_dev_reg_lock); + + return misc_device_ret; +} + +static void isst_misc_unreg(void) +{ + mutex_lock(&punit_misc_dev_reg_lock); + if (misc_usage_count) + misc_usage_count--; + if (!misc_usage_count && !misc_device_ret) { + misc_deregister(&isst_if_char_driver); + isst_if_cpu_info_exit(); + } + mutex_unlock(&punit_misc_dev_reg_lock); +} + /** * isst_if_cdev_register() - Register callback for IOCTL * @device_type: The device type this callback handling. @@ -679,38 +719,31 @@ static struct miscdevice isst_if_char_driver = { */ int isst_if_cdev_register(int device_type, struct isst_if_cmd_cb *cb) { - if (misc_device_ret) - return misc_device_ret; + int ret;

if (device_type >= ISST_IF_DEV_MAX) return -EINVAL;

- mutex_lock(&punit_misc_dev_lock); + mutex_lock(&punit_misc_dev_open_lock); + /* Device is already open, we don't want to add new callbacks */ if (misc_device_open) { - mutex_unlock(&punit_misc_dev_lock); + mutex_unlock(&punit_misc_dev_open_lock); return -EAGAIN; } - if (!misc_usage_count) { - int ret; - - misc_device_ret = misc_register(&isst_if_char_driver); - if (misc_device_ret) - goto unlock_exit; - - ret = isst_if_cpu_info_init(); - if (ret) { - misc_deregister(&isst_if_char_driver); - misc_device_ret = ret; - goto unlock_exit; - } - } memcpy(&punit_callbacks[device_type], cb, sizeof(*cb)); punit_callbacks[device_type].registered = 1; - misc_usage_count++; -unlock_exit: - mutex_unlock(&punit_misc_dev_lock); + mutex_unlock(&punit_misc_dev_open_lock);

- return misc_device_ret; + ret = isst_misc_reg(); + if (ret) { + /* + * No need of mutex as the misc device register failed + * as no one can open device yet. Hence no contention. + */ + punit_callbacks[device_type].registered = 0; + return ret; + } + return 0; } EXPORT_SYMBOL_GPL(isst_if_cdev_register);

@@ -725,16 +758,12 @@ EXPORT_SYMBOL_GPL(isst_if_cdev_register); */ void isst_if_cdev_unregister(int device_type) { - mutex_lock(&punit_misc_dev_lock); - misc_usage_count--; + isst_misc_unreg(); + mutex_lock(&punit_misc_dev_open_lock); punit_callbacks[device_type].registered = 0; if (device_type == ISST_IF_DEV_MBOX) isst_delete_hash(); - if (!misc_usage_count && !misc_device_ret) { - misc_deregister(&isst_if_char_driver); - isst_if_cpu_info_exit(); - } - mutex_unlock(&punit_misc_dev_lock); + mutex_unlock(&punit_misc_dev_open_lock); } EXPORT_SYMBOL_GPL(isst_if_cdev_unregister);

diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c index 033f797861d8..c608078538a7 100644 --- a/drivers/platform/x86/touchscreen_dmi.c +++ b/drivers/platform/x86/touchscreen_dmi.c @@ -773,6 +773,21 @@ static const struct ts_dmi_data predia_basic_data = { .properties = predia_basic_props, };

+static const struct property_entry rwc_nanote_p8_props[] = { + PROPERTY_ENTRY_U32("touchscreen-min-y", 46), + PROPERTY_ENTRY_U32("touchscreen-size-x", 1728), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1140), + PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"), + PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-rwc-nanote-p8.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + { } +}; + +static const struct ts_dmi_data rwc_nanote_p8_data = { + .acpi_name = "MSSL1680:00", + .properties = rwc_nanote_p8_props, +}; + static const struct property_entry schneider_sct101ctm_props[] = { PROPERTY_ENTRY_U32("touchscreen-size-x", 1715), PROPERTY_ENTRY_U32("touchscreen-size-y", 1140), @@ -1379,6 +1394,15 @@ const struct dmi_system_id touchscreen_dmi_table[] = { DMI_EXACT_MATCH(DMI_BOARD_NAME, "0E57"), }, }, + { + /* RWC NANOTE P8 */ + .driver_data = (void *)&rwc_nanote_p8_data, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Default string"), + DMI_MATCH(DMI_PRODUCT_NAME, "AY07J"), + DMI_MATCH(DMI_PRODUCT_SKU, "0001") + }, + }, { /* Schneider SCT101CTM */ .driver_data = (void *)&schneider_sct101ctm_data, diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index f66ba64080a3..1044832b6054 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -593,6 +593,7 @@ struct lpfc_vport { #define FC_VPORT_LOGO_RCVD 0x200 /* LOGO received on vport */ #define FC_RSCN_DISCOVERY 0x400 /* Auth all devices after RSCN */ #define FC_LOGO_RCVD_DID_CHNG 0x800 /* FDISC on phys port detect DID chng*/ +#define FC_PT2PT_NO_NVME 0x1000 /* Don't send NVME PRLI */ #define FC_SCSI_SCAN_TMO 0x4000 /* scsi scan timer running */ #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */ #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */ diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 632b9cdabd14..9f3f7805f1f9 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -1315,6 +1315,9 @@ lpfc_issue_lip(struct Scsi_Host *shost) pmboxq->u.mb.mbxCommand = MBX_DOWN_LINK; pmboxq->u.mb.mbxOwner = OWN_HOST;

+ if ((vport->fc_flag & FC_PT2PT) && (vport->fc_flag & FC_PT2PT_NO_NVME)) + vport->fc_flag &= ~FC_PT2PT_NO_NVME; + mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO * 2);

if ((mbxstatus == MBX_SUCCESS) && diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index f08ab8269f44..886006ad12a2 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -1072,7 +1072,8 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,

/* FLOGI failed, so there is no fabric */ spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); + vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP | + FC_PT2PT_NO_NVME); spin_unlock_irq(shost->host_lock);

/* If private loop, then allow max outstanding els to be @@ -4587,6 +4588,23 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, /* Added for Vendor specifc support * Just keep retrying for these Rsn / Exp codes */ + if ((vport->fc_flag & FC_PT2PT) && + cmd == ELS_CMD_NVMEPRLI) { + switch (stat.un.b.lsRjtRsnCode) { + case LSRJT_UNABLE_TPC: + case LSRJT_INVALID_CMD: + case LSRJT_LOGICAL_ERR: + case LSRJT_CMD_UNSUPPORTED: + lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS, + "0168 NVME PRLI LS_RJT " + "reason %x port doesn't " + "support NVME, disabling NVME\n", + stat.un.b.lsRjtRsnCode); + retry = 0; + vport->fc_flag |= FC_PT2PT_NO_NVME; + goto out_retry; + } + } switch (stat.un.b.lsRjtRsnCode) { case LSRJT_UNABLE_TPC: /* The driver has a VALID PLOGI but the rport has diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 7d717a4ac14d..fdf5e777bf11 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -1961,8 +1961,9 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport, * is configured try it. */ ndlp->nlp_fc4_type |= NLP_FC4_FCP; - if ((vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) || - (vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) { + if ((!(vport->fc_flag & FC_PT2PT_NO_NVME)) && + (vport->cfg_enable_fc4_type == LPFC_ENABLE_BOTH || + vport->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) { ndlp->nlp_fc4_type |= NLP_FC4_NVME; /* We need to update the localport also */ lpfc_nvme_update_localport(vport); diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 2978c61dc586..68d8e55c1205 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -8147,6 +8147,7 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) struct lpfc_vport *vport = phba->pport; struct lpfc_dmabuf *mp; struct lpfc_rqb *rqbp; + u32 flg;

/* Perform a PCI function reset to start from clean */ rc = lpfc_pci_function_reset(phba); @@ -8160,7 +8161,17 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) else { spin_lock_irq(&phba->hbalock); phba->sli.sli_flag |= LPFC_SLI_ACTIVE; + flg = phba->sli.sli_flag; spin_unlock_irq(&phba->hbalock); + /* Allow a little time after setting SLI_ACTIVE for any polled + * MBX commands to complete via BSG. + */ + for (i = 0; i < 50 && (flg & LPFC_SLI_MBOX_ACTIVE); i++) { + msleep(20); + spin_lock_irq(&phba->hbalock); + flg = phba->sli.sli_flag; + spin_unlock_irq(&phba->hbalock); + } }

lpfc_sli4_dip(phba); @@ -9744,7 +9755,7 @@ lpfc_sli_issue_mbox_s4(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, "(%d):2541 Mailbox command x%x " "(x%x/x%x) failure: " "mqe_sta: x%x mcqe_sta: x%x/x%x " - "Data: x%x x%x\n,", + "Data: x%x x%x\n", mboxq->vport ? mboxq->vport->vpi : 0, mboxq->u.mb.mbxCommand, lpfc_sli_config_mbox_subsys_get(phba, @@ -9778,7 +9789,7 @@ lpfc_sli_issue_mbox_s4(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, "(%d):2597 Sync Mailbox command " "x%x (x%x/x%x) failure: " "mqe_sta: x%x mcqe_sta: x%x/x%x " - "Data: x%x x%x\n,", + "Data: x%x x%x\n", mboxq->vport ? mboxq->vport->vpi : 0, mboxq->u.mb.mbxCommand, lpfc_sli_config_mbox_subsys_get(phba, diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index 880e1f356def..5e6b23da4157 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -2695,7 +2695,6 @@ static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha, void *piomb) u32 tag = le32_to_cpu(psataPayload->tag); u32 port_id = le32_to_cpu(psataPayload->port_id); u32 dev_id = le32_to_cpu(psataPayload->device_id); - unsigned long flags;

ccb = &pm8001_ha->ccb_info[tag];

@@ -2735,8 +2734,6 @@ static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha, void *piomb) ts->resp = SAS_TASK_COMPLETE; ts->stat = SAS_DATA_OVERRUN; ts->residual = 0; - if (pm8001_dev) - atomic_dec(&pm8001_dev->running_req); break; case IO_XFER_ERROR_BREAK: pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n"); @@ -2778,7 +2775,6 @@ static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha, void *piomb) IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS); ts->resp = SAS_TASK_COMPLETE; ts->stat = SAS_QUEUE_FULL; - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); return; } break; @@ -2864,20 +2860,6 @@ static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha, void *piomb) ts->stat = SAS_OPEN_TO; break; } - spin_lock_irqsave(&t->task_state_lock, flags); - t->task_state_flags &= ~SAS_TASK_STATE_PENDING; - t->task_state_flags &= ~SAS_TASK_AT_INITIATOR; - t->task_state_flags |= SAS_TASK_STATE_DONE; - if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) { - spin_unlock_irqrestore(&t->task_state_lock, flags); - pm8001_dbg(pm8001_ha, FAIL, - "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", - t, event, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); - } else { - spin_unlock_irqrestore(&t->task_state_lock, flags); - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); - } }

/*See the comments for mpi_ssp_completion */ diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 32e60f0c3b14..491cecbbe1aa 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -753,8 +753,13 @@ static int pm8001_exec_internal_tmf_task(struct domain_device *dev, res = -TMF_RESP_FUNC_FAILED; /* Even TMF timed out, return direct. */ if (task->task_state_flags & SAS_TASK_STATE_ABORTED) { + struct pm8001_ccb_info *ccb = task->lldd_task; + pm8001_dbg(pm8001_ha, FAIL, "TMF task[%x]timeout.\n", tmf->tmf); + + if (ccb) + ccb->task = NULL; goto ex_err; }

diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index ed13e0e044b7..3056f3615ab8 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -2184,9 +2184,9 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", t, status, ts->resp, ts->stat); + pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); if (t->slow_task) complete(&t->slow_task->completion); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); } else { spin_unlock_irqrestore(&t->task_state_lock, flags); pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); @@ -2801,9 +2801,9 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", t, status, ts->resp, ts->stat); + pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); if (t->slow_task) complete(&t->slow_task->completion); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); } else { spin_unlock_irqrestore(&t->task_state_lock, flags); spin_unlock_irqrestore(&circularQ->oq_lock, @@ -2828,7 +2828,6 @@ static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha, u32 tag = le32_to_cpu(psataPayload->tag); u32 port_id = le32_to_cpu(psataPayload->port_id); u32 dev_id = le32_to_cpu(psataPayload->device_id); - unsigned long flags;

ccb = &pm8001_ha->ccb_info[tag];

@@ -2866,8 +2865,6 @@ static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha, ts->resp = SAS_TASK_COMPLETE; ts->stat = SAS_DATA_OVERRUN; ts->residual = 0; - if (pm8001_dev) - atomic_dec(&pm8001_dev->running_req); break; case IO_XFER_ERROR_BREAK: pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n"); @@ -2916,11 +2913,6 @@ static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha, IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS); ts->resp = SAS_TASK_COMPLETE; ts->stat = SAS_QUEUE_FULL; - spin_unlock_irqrestore(&circularQ->oq_lock, - circularQ->lock_flags); - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); - spin_lock_irqsave(&circularQ->oq_lock, - circularQ->lock_flags); return; } break; @@ -3020,24 +3012,6 @@ static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha, ts->stat = SAS_OPEN_TO; break; } - spin_lock_irqsave(&t->task_state_lock, flags); - t->task_state_flags &= ~SAS_TASK_STATE_PENDING; - t->task_state_flags &= ~SAS_TASK_AT_INITIATOR; - t->task_state_flags |= SAS_TASK_STATE_DONE; - if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) { - spin_unlock_irqrestore(&t->task_state_lock, flags); - pm8001_dbg(pm8001_ha, FAIL, - "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n", - t, event, ts->resp, ts->stat); - pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); - } else { - spin_unlock_irqrestore(&t->task_state_lock, flags); - spin_unlock_irqrestore(&circularQ->oq_lock, - circularQ->lock_flags); - pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag); - spin_lock_irqsave(&circularQ->oq_lock, - circularQ->lock_flags); - } }

/*See the comments for mpi_ssp_completion */ diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c index d01cd829ef97..df9ce6ed52bf 100644 --- a/drivers/scsi/qedi/qedi_fw.c +++ b/drivers/scsi/qedi/qedi_fw.c @@ -772,11 +772,10 @@ static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi, qedi_cmd->list_tmf_work = NULL; } } + spin_unlock_bh(&qedi_conn->tmf_work_lock);

- if (!found) { - spin_unlock_bh(&qedi_conn->tmf_work_lock); + if (!found) goto check_cleanup_reqs; - }

QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM, "TMF work, cqe->tid=0x%x, tmf flags=0x%x, cid=0x%x\n", @@ -807,7 +806,6 @@ static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi, qedi_cmd->state = CLEANUP_RECV; unlock: spin_unlock_bh(&conn->session->back_lock); - spin_unlock_bh(&qedi_conn->tmf_work_lock); wake_up_interruptible(&qedi_conn->wait_queue); return;

diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index fe22191522a3..7266880c70c2 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -198,6 +198,48 @@ static void scsi_unlock_floptical(struct scsi_device *sdev, SCSI_TIMEOUT, 3, NULL); }

+static int scsi_realloc_sdev_budget_map(struct scsi_device *sdev, + unsigned int depth) +{ + int new_shift = sbitmap_calculate_shift(depth); + bool need_alloc = !sdev->budget_map.map; + bool need_free = false; + int ret; + struct sbitmap sb_backup; + + /* + * realloc if new shift is calculated, which is caused by setting + * up one new default queue depth after calling ->slave_configure + */ + if (!need_alloc && new_shift != sdev->budget_map.shift) + need_alloc = need_free = true; + + if (!need_alloc) + return 0; + + /* + * Request queue has to be frozen for reallocating budget map, + * and here disk isn't added yet, so freezing is pretty fast + */ + if (need_free) { + blk_mq_freeze_queue(sdev->request_queue); + sb_backup = sdev->budget_map; + } + ret = sbitmap_init_node(&sdev->budget_map, + scsi_device_max_queue_depth(sdev), + new_shift, GFP_KERNEL, + sdev->request_queue->node, false, true); + if (need_free) { + if (ret) + sdev->budget_map = sb_backup; + else + sbitmap_free(&sb_backup); + ret = 0; + blk_mq_unfreeze_queue(sdev->request_queue); + } + return ret; +} + /** * scsi_alloc_sdev - allocate and setup a scsi_Device * @starget: which target to allocate a &scsi_device for @@ -291,11 +333,7 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget, * default device queue depth to figure out sbitmap shift * since we use this queue depth most of times. */ - if (sbitmap_init_node(&sdev->budget_map, - scsi_device_max_queue_depth(sdev), - sbitmap_calculate_shift(depth), - GFP_KERNEL, sdev->request_queue->node, - false, true)) { + if (scsi_realloc_sdev_budget_map(sdev, depth)) { put_device(&starget->dev); kfree(sdev); goto out; @@ -1001,6 +1039,13 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result, } return SCSI_SCAN_NO_RESPONSE; } + + /* + * The queue_depth is often changed in ->slave_configure. + * Set up budget map again since memory consumption of + * the map depends on actual queue depth. + */ + scsi_realloc_sdev_budget_map(sdev, sdev->queue_depth); }

if (sdev->scsi_level >= SCSI_3) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index f489954e4632..cdec85bcc4cc 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -125,8 +125,9 @@ EXPORT_SYMBOL_GPL(ufshcd_dump_regs); enum { UFSHCD_MAX_CHANNEL = 0, UFSHCD_MAX_ID = 1, - UFSHCD_CMD_PER_LUN = 32, - UFSHCD_CAN_QUEUE = 32, + UFSHCD_NUM_RESERVED = 1, + UFSHCD_CMD_PER_LUN = 32 - UFSHCD_NUM_RESERVED, + UFSHCD_CAN_QUEUE = 32 - UFSHCD_NUM_RESERVED, };

/* UFSHCD error handling flags */ @@ -2185,6 +2186,7 @@ static inline int ufshcd_hba_capabilities(struct ufs_hba *hba) hba->nutrs = (hba->capabilities & MASK_TRANSFER_REQUESTS_SLOTS) + 1; hba->nutmrs = ((hba->capabilities & MASK_TASK_MANAGEMENT_REQUEST_SLOTS) >> 16) + 1; + hba->reserved_slot = hba->nutrs - 1;

/* Read crypto capabilities */ err = ufshcd_hba_init_crypto_capabilities(hba); @@ -2910,30 +2912,15 @@ static int ufshcd_wait_for_dev_cmd(struct ufs_hba *hba, static int ufshcd_exec_dev_cmd(struct ufs_hba *hba, enum dev_cmd_type cmd_type, int timeout) { - struct request_queue *q = hba->cmd_queue; DECLARE_COMPLETION_ONSTACK(wait); - struct request *req; + const u32 tag = hba->reserved_slot; struct ufshcd_lrb *lrbp; int err; - int tag;

- down_read(&hba->clk_scaling_lock); + /* Protects use of hba->reserved_slot. */ + lockdep_assert_held(&hba->dev_cmd.lock);

- /* - * Get free slot, sleep if slots are unavailable. - * Even though we use wait_event() which sleeps indefinitely, - * the maximum wait time is bounded by SCSI request timeout. - */ - req = blk_get_request(q, REQ_OP_DRV_OUT, 0); - if (IS_ERR(req)) { - err = PTR_ERR(req); - goto out_unlock; - } - tag = req->tag; - WARN_ONCE(tag < 0, "Invalid tag %d\n", tag); - /* Set the timeout such that the SCSI error handler is not activated. */ - req->timeout = msecs_to_jiffies(2 * timeout); - blk_mq_start_request(req); + down_read(&hba->clk_scaling_lock);

lrbp = &hba->lrb[tag]; WARN_ON(lrbp->cmd); @@ -2951,8 +2938,6 @@ static int ufshcd_exec_dev_cmd(struct ufs_hba *hba, (struct utp_upiu_req *)lrbp->ucd_rsp_ptr);

out: - blk_put_request(req); -out_unlock: up_read(&hba->clk_scaling_lock); return err; } @@ -6640,28 +6625,16 @@ static int ufshcd_issue_devman_upiu_cmd(struct ufs_hba *hba, enum dev_cmd_type cmd_type, enum query_opcode desc_op) { - struct request_queue *q = hba->cmd_queue; DECLARE_COMPLETION_ONSTACK(wait); - struct request *req; + const u32 tag = hba->reserved_slot; struct ufshcd_lrb *lrbp; int err = 0; - int tag; u8 upiu_flags;

- down_read(&hba->clk_scaling_lock); - - req = blk_get_request(q, REQ_OP_DRV_OUT, 0); - if (IS_ERR(req)) { - err = PTR_ERR(req); - goto out_unlock; - } - tag = req->tag; - WARN_ONCE(tag < 0, "Invalid tag %d\n", tag); + /* Protects use of hba->reserved_slot. */ + lockdep_assert_held(&hba->dev_cmd.lock);

- if (unlikely(test_bit(tag, &hba->outstanding_reqs))) { - err = -EBUSY; - goto out; - } + down_read(&hba->clk_scaling_lock);

lrbp = &hba->lrb[tag]; WARN_ON(lrbp->cmd); @@ -6730,9 +6703,6 @@ static int ufshcd_issue_devman_upiu_cmd(struct ufs_hba *hba, ufshcd_add_query_upiu_trace(hba, err ? UFS_QUERY_ERR : UFS_QUERY_COMP, (struct utp_upiu_req *)lrbp->ucd_rsp_ptr);

-out: - blk_put_request(req); -out_unlock: up_read(&hba->clk_scaling_lock); return err; } @@ -9423,8 +9393,8 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq) /* Configure LRB */ ufshcd_host_memory_configure(hba);

- host->can_queue = hba->nutrs; - host->cmd_per_lun = hba->nutrs; + host->can_queue = hba->nutrs - UFSHCD_NUM_RESERVED; + host->cmd_per_lun = hba->nutrs - UFSHCD_NUM_RESERVED; host->max_id = UFSHCD_MAX_ID; host->max_lun = UFS_MAX_LUNS; host->max_channel = UFSHCD_MAX_CHANNEL; diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 07ada6676c3b..d470a52ff24c 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -725,6 +725,7 @@ struct ufs_hba_monitor { * @capabilities: UFS Controller Capabilities * @nutrs: Transfer Request Queue depth supported by controller * @nutmrs: Task Management Queue depth supported by controller + * @reserved_slot: Used to submit device commands. Protected by @dev_cmd.lock. * @ufs_version: UFS Version to which controller complies * @vops: pointer to variant specific operations * @priv: pointer to variant specific private data @@ -813,6 +814,7 @@ struct ufs_hba { u32 capabilities; int nutrs; int nutmrs; + u32 reserved_slot; u32 ufs_version; const struct ufs_hba_variant_ops *vops; struct ufs_hba_variant_params *vps; diff --git a/drivers/soc/aspeed/aspeed-lpc-ctrl.c b/drivers/soc/aspeed/aspeed-lpc-ctrl.c index 72771e018c42..258894ed234b 100644 --- a/drivers/soc/aspeed/aspeed-lpc-ctrl.c +++ b/drivers/soc/aspeed/aspeed-lpc-ctrl.c @@ -306,10 +306,9 @@ static int aspeed_lpc_ctrl_probe(struct platform_device *pdev) }

lpc_ctrl->clk = devm_clk_get(dev, NULL); - if (IS_ERR(lpc_ctrl->clk)) { - dev_err(dev, "couldn't get clock\n"); - return PTR_ERR(lpc_ctrl->clk); - } + if (IS_ERR(lpc_ctrl->clk)) + return dev_err_probe(dev, PTR_ERR(lpc_ctrl->clk), + "couldn't get clock\n"); rc = clk_prepare_enable(lpc_ctrl->clk); if (rc) { dev_err(dev, "couldn't enable clock\n"); diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c index 967f10b9582a..ea9a53bdb417 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c @@ -1033,15 +1033,27 @@ service_callback(enum vchiq_reason reason, struct vchiq_header *header,

DEBUG_TRACE(SERVICE_CALLBACK_LINE);

+ rcu_read_lock(); service = handle_to_service(handle); - if (WARN_ON(!service)) + if (WARN_ON(!service)) { + rcu_read_unlock(); return VCHIQ_SUCCESS; + }

user_service = (struct user_service *)service->base.userdata; instance = user_service->instance;

- if (!instance || instance->closing) + if (!instance || instance->closing) { + rcu_read_unlock(); return VCHIQ_SUCCESS; + } + + /* + * As hopping around different synchronization mechanism, + * taking an extra reference results in simpler implementation. + */ + vchiq_service_get(service); + rcu_read_unlock();

vchiq_log_trace(vchiq_arm_log_level, "%s - service %lx(%d,%p), reason %d, header %lx, instance %lx, bulk_userdata %lx", @@ -1074,6 +1086,7 @@ service_callback(enum vchiq_reason reason, struct vchiq_header *header, NULL, user_service, bulk_userdata); if (status != VCHIQ_SUCCESS) { DEBUG_TRACE(SERVICE_CALLBACK_LINE); + vchiq_service_put(service); return status; } } @@ -1084,11 +1097,13 @@ service_callback(enum vchiq_reason reason, struct vchiq_header *header, vchiq_log_info(vchiq_arm_log_level, "%s interrupted", __func__); DEBUG_TRACE(SERVICE_CALLBACK_LINE); + vchiq_service_put(service); return VCHIQ_RETRY; } else if (instance->closing) { vchiq_log_info(vchiq_arm_log_level, "%s closing", __func__); DEBUG_TRACE(SERVICE_CALLBACK_LINE); + vchiq_service_put(service); return VCHIQ_ERROR; } DEBUG_TRACE(SERVICE_CALLBACK_LINE); @@ -1117,6 +1132,7 @@ service_callback(enum vchiq_reason reason, struct vchiq_header *header, header = NULL; } DEBUG_TRACE(SERVICE_CALLBACK_LINE); + vchiq_service_put(service);

if (skip_completion) return VCHIQ_SUCCESS; diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 451e02cd0637..de5b45de5040 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -1963,7 +1963,7 @@ static bool canon_copy_from_read_buf(struct tty_struct *tty, return false;

canon_head = smp_load_acquire(&ldata->canon_head); - n = min(*nr + 1, canon_head - ldata->read_tail); + n = min(*nr, canon_head - ldata->read_tail);

tail = ldata->read_tail & (N_TTY_BUF_SIZE - 1); size = min_t(size_t, tail + n, N_TTY_BUF_SIZE); @@ -1985,10 +1985,8 @@ static bool canon_copy_from_read_buf(struct tty_struct *tty, n += N_TTY_BUF_SIZE; c = n + found;

- if (!found || read_buf(ldata, eol) != __DISABLED_CHAR) { - c = min(*nr, c); + if (!found || read_buf(ldata, eol) != __DISABLED_CHAR) n = c; - }

n_tty_trace("%s: eol:%zu found:%d n:%zu c:%zu tail:%zu more:%zu\n", __func__, eol, found, n, c, tail, more); diff --git a/drivers/tty/serial/8250/8250_gsc.c b/drivers/tty/serial/8250/8250_gsc.c index 673cda3d011d..948d0a1c6ae8 100644 --- a/drivers/tty/serial/8250/8250_gsc.c +++ b/drivers/tty/serial/8250/8250_gsc.c @@ -26,7 +26,7 @@ static int __init serial_init_chip(struct parisc_device *dev) unsigned long address; int err;

-#ifdef CONFIG_64BIT +#if defined(CONFIG_64BIT) && defined(CONFIG_IOSAPIC) if (!dev->irq && (dev->id.sversion == 0xad)) dev->irq = iosapic_serial_irq(dev); #endif diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index d029be40ea6f..bdbc310a8f8c 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -325,7 +325,7 @@ static int btrfs_init_dev_replace_tgtdev(struct btrfs_fs_info *fs_info, set_blocksize(device->bdev, BTRFS_BDEV_BLOCKSIZE); device->fs_devices = fs_info->fs_devices;

- ret = btrfs_get_dev_zone_info(device); + ret = btrfs_get_dev_zone_info(device, false); if (ret) goto error;

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index e1a262120e02..2c3e106a0270 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -3565,6 +3565,8 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device goto fail_sysfs; }

+ btrfs_free_zone_cache(fs_info); + if (!sb_rdonly(sb) && fs_info->fs_devices->missing_devices && !btrfs_check_rw_degradable(fs_info, NULL)) { btrfs_warn(fs_info, diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 72f9b865e847..5612e8bf2ace 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -4978,6 +4978,10 @@ static int put_file_data(struct send_ctx *sctx, u64 offset, u32 len) lock_page(page); if (!PageUptodate(page)) { unlock_page(page); + btrfs_err(fs_info, + "send: IO error at offset %llu for inode %llu root %llu", + page_offset(page), sctx->cur_ino, + sctx->send_root->root_key.objectid); put_page(page); ret = -EIO; break; diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index c34efdc1ecdd..06a1a7c2254c 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -2596,7 +2596,7 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *device_path device->fs_info = fs_info; device->bdev = bdev;

- ret = btrfs_get_dev_zone_info(device); + ret = btrfs_get_dev_zone_info(device, false); if (ret) goto error_free_device;

diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c index 5672c24a2d58..596b2148807d 100644 --- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -4,6 +4,7 @@ #include <linux/slab.h> #include <linux/blkdev.h> #include <linux/sched/mm.h> +#include <linux/vmalloc.h> #include "ctree.h" #include "volumes.h" #include "zoned.h" @@ -195,6 +196,8 @@ static int emulate_report_zones(struct btrfs_device *device, u64 pos, static int btrfs_get_dev_zones(struct btrfs_device *device, u64 pos, struct blk_zone *zones, unsigned int *nr_zones) { + struct btrfs_zoned_device_info *zinfo = device->zone_info; + u32 zno; int ret;

if (!*nr_zones) @@ -206,6 +209,34 @@ static int btrfs_get_dev_zones(struct btrfs_device *device, u64 pos, return 0; }

+ /* Check cache */ + if (zinfo->zone_cache) { + unsigned int i; + + ASSERT(IS_ALIGNED(pos, zinfo->zone_size)); + zno = pos >> zinfo->zone_size_shift; + /* + * We cannot report zones beyond the zone end. So, it is OK to + * cap *nr_zones to at the end. + */ + *nr_zones = min_t(u32, *nr_zones, zinfo->nr_zones - zno); + + for (i = 0; i < *nr_zones; i++) { + struct blk_zone *zone_info; + + zone_info = &zinfo->zone_cache[zno + i]; + if (!zone_info->len) + break; + } + + if (i == *nr_zones) { + /* Cache hit on all the zones */ + memcpy(zones, zinfo->zone_cache + zno, + sizeof(*zinfo->zone_cache) * *nr_zones); + return 0; + } + } + ret = blkdev_report_zones(device->bdev, pos >> SECTOR_SHIFT, *nr_zones, copy_zone_info_cb, zones); if (ret < 0) { @@ -219,6 +250,11 @@ static int btrfs_get_dev_zones(struct btrfs_device *device, u64 pos, if (!ret) return -EIO;

+ /* Populate cache */ + if (zinfo->zone_cache) + memcpy(zinfo->zone_cache + zno, zones, + sizeof(*zinfo->zone_cache) * *nr_zones); + return 0; }

@@ -282,7 +318,7 @@ int btrfs_get_dev_zone_info_all_devices(struct btrfs_fs_info *fs_info) if (!device->bdev) continue;

- ret = btrfs_get_dev_zone_info(device); + ret = btrfs_get_dev_zone_info(device, true); if (ret) break; } @@ -291,7 +327,7 @@ int btrfs_get_dev_zone_info_all_devices(struct btrfs_fs_info *fs_info) return ret; }

-int btrfs_get_dev_zone_info(struct btrfs_device *device) +int btrfs_get_dev_zone_info(struct btrfs_device *device, bool populate_cache) { struct btrfs_fs_info *fs_info = device->fs_info; struct btrfs_zoned_device_info *zone_info = NULL; @@ -318,6 +354,8 @@ int btrfs_get_dev_zone_info(struct btrfs_device *device) if (!zone_info) return -ENOMEM;

+ device->zone_info = zone_info; + if (!bdev_is_zoned(bdev)) { if (!fs_info->zone_size) { ret = calculate_emulated_zone_size(fs_info); @@ -369,6 +407,23 @@ int btrfs_get_dev_zone_info(struct btrfs_device *device) goto out; }

+ /* + * Enable zone cache only for a zoned device. On a non-zoned device, we + * fill the zone info with emulated CONVENTIONAL zones, so no need to + * use the cache. + */ + if (populate_cache && bdev_is_zoned(device->bdev)) { + zone_info->zone_cache = vzalloc(sizeof(struct blk_zone) * + zone_info->nr_zones); + if (!zone_info->zone_cache) { + btrfs_err_in_rcu(device->fs_info, + "zoned: failed to allocate zone cache for %s", + rcu_str_deref(device->name)); + ret = -ENOMEM; + goto out; + } + } + /* Get zones type */ while (sector < nr_sectors) { nr_zones = BTRFS_REPORT_NR_ZONES; @@ -444,8 +499,6 @@ int btrfs_get_dev_zone_info(struct btrfs_device *device)

kfree(zones);

- device->zone_info = zone_info; - switch (bdev_zoned_model(bdev)) { case BLK_ZONED_HM: model = "host-managed zoned"; @@ -478,10 +531,7 @@ int btrfs_get_dev_zone_info(struct btrfs_device *device) out: kfree(zones); out_free_zone_info: - bitmap_free(zone_info->empty_zones); - bitmap_free(zone_info->seq_zones); - kfree(zone_info); - device->zone_info = NULL; + btrfs_destroy_dev_zone_info(device);

return ret; } @@ -495,6 +545,7 @@ void btrfs_destroy_dev_zone_info(struct btrfs_device *device)

bitmap_free(zone_info->seq_zones); bitmap_free(zone_info->empty_zones); + vfree(zone_info->zone_cache); kfree(zone_info); device->zone_info = NULL; } @@ -1551,3 +1602,21 @@ void btrfs_clear_data_reloc_bg(struct btrfs_block_group *bg) fs_info->data_reloc_bg = 0; spin_unlock(&fs_info->relocation_bg_lock); } + +void btrfs_free_zone_cache(struct btrfs_fs_info *fs_info) +{ + struct btrfs_fs_devices *fs_devices = fs_info->fs_devices; + struct btrfs_device *device; + + if (!btrfs_is_zoned(fs_info)) + return; + + mutex_lock(&fs_devices->device_list_mutex); + list_for_each_entry(device, &fs_devices->devices, dev_list) { + if (device->zone_info) { + vfree(device->zone_info->zone_cache); + device->zone_info->zone_cache = NULL; + } + } + mutex_unlock(&fs_devices->device_list_mutex); +} diff --git a/fs/btrfs/zoned.h b/fs/btrfs/zoned.h index 70b3be517599..813aa3cddc11 100644 --- a/fs/btrfs/zoned.h +++ b/fs/btrfs/zoned.h @@ -25,6 +25,7 @@ struct btrfs_zoned_device_info { u32 nr_zones; unsigned long *seq_zones; unsigned long *empty_zones; + struct blk_zone *zone_cache; struct blk_zone sb_zones[2 * BTRFS_SUPER_MIRROR_MAX]; };

@@ -32,7 +33,7 @@ struct btrfs_zoned_device_info { int btrfs_get_dev_zone(struct btrfs_device *device, u64 pos, struct blk_zone *zone); int btrfs_get_dev_zone_info_all_devices(struct btrfs_fs_info *fs_info); -int btrfs_get_dev_zone_info(struct btrfs_device *device); +int btrfs_get_dev_zone_info(struct btrfs_device *device, bool populate_cache); void btrfs_destroy_dev_zone_info(struct btrfs_device *device); int btrfs_check_zoned_mode(struct btrfs_fs_info *fs_info); int btrfs_check_mountopts_zoned(struct btrfs_fs_info *info); @@ -67,6 +68,7 @@ int btrfs_sync_zone_write_pointer(struct btrfs_device *tgt_dev, u64 logical, struct btrfs_device *btrfs_zoned_get_device(struct btrfs_fs_info *fs_info, u64 logical, u64 length); void btrfs_clear_data_reloc_bg(struct btrfs_block_group *bg); +void btrfs_free_zone_cache(struct btrfs_fs_info *fs_info); #else /* CONFIG_BLK_DEV_ZONED */ static inline int btrfs_get_dev_zone(struct btrfs_device *device, u64 pos, struct blk_zone *zone) @@ -79,7 +81,8 @@ static inline int btrfs_get_dev_zone_info_all_devices(struct btrfs_fs_info *fs_i return 0; }

-static inline int btrfs_get_dev_zone_info(struct btrfs_device *device) +static inline int btrfs_get_dev_zone_info(struct btrfs_device *device, + bool populate_cache) { return 0; } @@ -202,6 +205,7 @@ static inline struct btrfs_device *btrfs_zoned_get_device(

static inline void btrfs_clear_data_reloc_bg(struct btrfs_block_group *bg) { }

+static inline void btrfs_free_zone_cache(struct btrfs_fs_info *fs_info) { } #endif

static inline bool btrfs_dev_is_sequential(struct btrfs_device *device, u64 pos) diff --git a/fs/cifs/fs_context.c b/fs/cifs/fs_context.c index 0a2542286552..3b8ed36b3711 100644 --- a/fs/cifs/fs_context.c +++ b/fs/cifs/fs_context.c @@ -146,7 +146,7 @@ const struct fs_parameter_spec smb3_fs_parameters[] = { fsparam_u32("echo_interval", Opt_echo_interval), fsparam_u32("max_credits", Opt_max_credits), fsparam_u32("handletimeout", Opt_handletimeout), - fsparam_u32("snapshot", Opt_snapshot), + fsparam_u64("snapshot", Opt_snapshot), fsparam_u32("max_channels", Opt_max_channels),

/* Mount options which take string value */ @@ -1062,7 +1062,7 @@ static int smb3_fs_context_parse_param(struct fs_context *fc, ctx->echo_interval = result.uint_32; break; case Opt_snapshot: - ctx->snapshot_time = result.uint_32; + ctx->snapshot_time = result.uint_64; break; case Opt_max_credits: if (result.uint_32 < 20 || result.uint_32 > 60000) { diff --git a/fs/cifs/xattr.c b/fs/cifs/xattr.c index 7d8b72d67c80..9d486fbbfbbd 100644 --- a/fs/cifs/xattr.c +++ b/fs/cifs/xattr.c @@ -175,11 +175,13 @@ static int cifs_xattr_set(const struct xattr_handler *handler, switch (handler->flags) { case XATTR_CIFS_NTSD_FULL: aclflags = (CIFS_ACL_OWNER | + CIFS_ACL_GROUP | CIFS_ACL_DACL | CIFS_ACL_SACL); break; case XATTR_CIFS_NTSD: aclflags = (CIFS_ACL_OWNER | + CIFS_ACL_GROUP | CIFS_ACL_DACL); break; case XATTR_CIFS_ACL: diff --git a/fs/io_uring.c b/fs/io_uring.c index 993913c585fb..21fc8ce9405d 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -8820,10 +8820,9 @@ static void io_mem_free(void *ptr)

static void *io_mem_alloc(size_t size) { - gfp_t gfp_flags = GFP_KERNEL | __GFP_ZERO | __GFP_NOWARN | __GFP_COMP | - __GFP_NORETRY | __GFP_ACCOUNT; + gfp_t gfp = GFP_KERNEL_ACCOUNT | __GFP_ZERO | __GFP_NOWARN | __GFP_COMP;

- return (void *) __get_free_pages(gfp_flags, get_order(size)); + return (void *) __get_free_pages(gfp, get_order(size)); }

static unsigned long rings_size(unsigned sq_entries, unsigned cq_entries, diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c index 70685cbbec8c..192d8308afc2 100644 --- a/fs/ksmbd/smb2pdu.c +++ b/fs/ksmbd/smb2pdu.c @@ -3422,9 +3422,9 @@ static int smb2_populate_readdir_entry(struct ksmbd_conn *conn, int info_level, goto free_conv_name; }

- struct_sz = readdir_info_level_struct_sz(info_level); - next_entry_offset = ALIGN(struct_sz - 1 + conv_len, - KSMBD_DIR_INFO_ALIGNMENT); + struct_sz = readdir_info_level_struct_sz(info_level) - 1 + conv_len; + next_entry_offset = ALIGN(struct_sz, KSMBD_DIR_INFO_ALIGNMENT); + d_info->last_entry_off_align = next_entry_offset - struct_sz;

if (next_entry_offset > d_info->out_buf_len) { d_info->out_buf_len = 0; @@ -3976,6 +3976,7 @@ int smb2_query_dir(struct ksmbd_work *work) ((struct file_directory_info *) ((char *)rsp->Buffer + d_info.last_entry_offset)) ->NextEntryOffset = 0; + d_info.data_count -= d_info.last_entry_off_align;

rsp->StructureSize = cpu_to_le16(9); rsp->OutputBufferOffset = cpu_to_le16(72); diff --git a/fs/ksmbd/smb_common.c b/fs/ksmbd/smb_common.c index 707490ab1f4c..f2e7e3a654b3 100644 --- a/fs/ksmbd/smb_common.c +++ b/fs/ksmbd/smb_common.c @@ -308,14 +308,17 @@ int ksmbd_populate_dot_dotdot_entries(struct ksmbd_work *work, int info_level, for (i = 0; i < 2; i++) { struct kstat kstat; struct ksmbd_kstat ksmbd_kstat; + struct dentry *dentry;

if (!dir->dot_dotdot[i]) { /* fill dot entry info */ if (i == 0) { d_info->name = "."; d_info->name_len = 1; + dentry = dir->filp->f_path.dentry; } else { d_info->name = ".."; d_info->name_len = 2; + dentry = dir->filp->f_path.dentry->d_parent; }

if (!match_pattern(d_info->name, d_info->name_len, @@ -327,7 +330,7 @@ int ksmbd_populate_dot_dotdot_entries(struct ksmbd_work *work, int info_level, ksmbd_kstat.kstat = &kstat; ksmbd_vfs_fill_dentry_attrs(work, user_ns, - dir->filp->f_path.dentry->d_parent, + dentry, &ksmbd_kstat); rc = fn(conn, info_level, d_info, &ksmbd_kstat); if (rc) diff --git a/fs/ksmbd/vfs.h b/fs/ksmbd/vfs.h index b0d5b8feb4a3..432c94773177 100644 --- a/fs/ksmbd/vfs.h +++ b/fs/ksmbd/vfs.h @@ -86,6 +86,7 @@ struct ksmbd_dir_info { int last_entry_offset; bool hide_dot_file; int flags; + int last_entry_off_align; };

struct ksmbd_readdir_data { diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index f6381c675cbe..9adc6f57a008 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1987,14 +1987,14 @@ int nfs_atomic_open(struct inode *dir, struct dentry *dentry, if (!res) { inode = d_inode(dentry); if ((lookup_flags & LOOKUP_DIRECTORY) && inode && - !S_ISDIR(inode->i_mode)) + !(S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode))) res = ERR_PTR(-ENOTDIR); else if (inode && S_ISREG(inode->i_mode)) res = ERR_PTR(-EOPENSTALE); } else if (!IS_ERR(res)) { inode = d_inode(res); if ((lookup_flags & LOOKUP_DIRECTORY) && inode && - !S_ISDIR(inode->i_mode)) { + !(S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode))) { dput(res); res = ERR_PTR(-ENOTDIR); } else if (inode && S_ISREG(inode->i_mode)) { diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index f9d3ad3acf11..410f87bc48cc 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -840,12 +840,9 @@ int nfs_getattr(struct user_namespace *mnt_userns, const struct path *path, }

/* Flush out writes to the server in order to update c/mtime. */ - if ((request_mask & (STATX_CTIME|STATX_MTIME)) && - S_ISREG(inode->i_mode)) { - err = filemap_write_and_wait(inode->i_mapping); - if (err) - goto out; - } + if ((request_mask & (STATX_CTIME | STATX_MTIME)) && + S_ISREG(inode->i_mode)) + filemap_write_and_wait(inode->i_mapping);

/* * We may force a getattr if the user cares about atime. diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 389fa72d4ca9..53be03681f69 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1232,8 +1232,7 @@ nfs4_update_changeattr_locked(struct inode *inode, NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL | NFS_INO_INVALID_SIZE | NFS_INO_INVALID_OTHER | NFS_INO_INVALID_BLOCKS | NFS_INO_INVALID_NLINK | - NFS_INO_INVALID_MODE | NFS_INO_INVALID_XATTR | - NFS_INO_REVAL_PAGECACHE; + NFS_INO_INVALID_MODE | NFS_INO_INVALID_XATTR; nfsi->attrtimeo = NFS_MINATTRTIMEO(inode); } nfsi->attrtimeo_timestamp = jiffies; diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index cf25be3e0321..958fce7aee63 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -430,7 +430,8 @@ static void smaps_page_accumulate(struct mem_size_stats *mss, }

static void smaps_account(struct mem_size_stats *mss, struct page *page, - bool compound, bool young, bool dirty, bool locked) + bool compound, bool young, bool dirty, bool locked, + bool migration) { int i, nr = compound ? compound_nr(page) : 1; unsigned long size = nr * PAGE_SIZE; @@ -457,8 +458,15 @@ static void smaps_account(struct mem_size_stats *mss, struct page *page, * page_count(page) == 1 guarantees the page is mapped exactly once. * If any subpage of the compound page mapped with PTE it would elevate * page_count(). + * + * The page_mapcount() is called to get a snapshot of the mapcount. + * Without holding the page lock this snapshot can be slightly wrong as + * we cannot always read the mapcount atomically. It is not safe to + * call page_mapcount() even with PTL held if the page is not mapped, + * especially for migration entries. Treat regular migration entries + * as mapcount == 1. */ - if (page_count(page) == 1) { + if ((page_count(page) == 1) || migration) { smaps_page_accumulate(mss, page, size, size << PSS_SHIFT, dirty, locked, true); return; @@ -495,6 +503,7 @@ static void smaps_pte_entry(pte_t *pte, unsigned long addr, struct vm_area_struct *vma = walk->vma; bool locked = !!(vma->vm_flags & VM_LOCKED); struct page *page = NULL; + bool migration = false;

if (pte_present(*pte)) { page = vm_normal_page(vma, addr, *pte); @@ -514,8 +523,11 @@ static void smaps_pte_entry(pte_t *pte, unsigned long addr, } else { mss->swap_pss += (u64)PAGE_SIZE << PSS_SHIFT; } - } else if (is_pfn_swap_entry(swpent)) + } else if (is_pfn_swap_entry(swpent)) { + if (is_migration_entry(swpent)) + migration = true; page = pfn_swap_entry_to_page(swpent); + } } else if (unlikely(IS_ENABLED(CONFIG_SHMEM) && mss->check_shmem_swap && pte_none(*pte))) { page = xa_load(&vma->vm_file->f_mapping->i_pages, @@ -528,7 +540,8 @@ static void smaps_pte_entry(pte_t *pte, unsigned long addr, if (!page) return;

- smaps_account(mss, page, false, pte_young(*pte), pte_dirty(*pte), locked); + smaps_account(mss, page, false, pte_young(*pte), pte_dirty(*pte), + locked, migration); }

#ifdef CONFIG_TRANSPARENT_HUGEPAGE @@ -539,6 +552,7 @@ static void smaps_pmd_entry(pmd_t *pmd, unsigned long addr, struct vm_area_struct *vma = walk->vma; bool locked = !!(vma->vm_flags & VM_LOCKED); struct page *page = NULL; + bool migration = false;

if (pmd_present(*pmd)) { /* FOLL_DUMP will return -EFAULT on huge zero page */ @@ -546,8 +560,10 @@ static void smaps_pmd_entry(pmd_t *pmd, unsigned long addr, } else if (unlikely(thp_migration_supported() && is_swap_pmd(*pmd))) { swp_entry_t entry = pmd_to_swp_entry(*pmd);

- if (is_migration_entry(entry)) + if (is_migration_entry(entry)) { + migration = true; page = pfn_swap_entry_to_page(entry); + } } if (IS_ERR_OR_NULL(page)) return; @@ -559,7 +575,9 @@ static void smaps_pmd_entry(pmd_t *pmd, unsigned long addr, /* pass */; else mss->file_thp += HPAGE_PMD_SIZE; - smaps_account(mss, page, true, pmd_young(*pmd), pmd_dirty(*pmd), locked); + + smaps_account(mss, page, true, pmd_young(*pmd), pmd_dirty(*pmd), + locked, migration); } #else static void smaps_pmd_entry(pmd_t *pmd, unsigned long addr, @@ -1363,6 +1381,7 @@ static pagemap_entry_t pte_to_pagemap_entry(struct pagemapread *pm, { u64 frame = 0, flags = 0; struct page *page = NULL; + bool migration = false;

if (pte_present(pte)) { if (pm->show_pfn) @@ -1384,13 +1403,14 @@ static pagemap_entry_t pte_to_pagemap_entry(struct pagemapread *pm, frame = swp_type(entry) | (swp_offset(entry) << MAX_SWAPFILES_SHIFT); flags |= PM_SWAP; + migration = is_migration_entry(entry); if (is_pfn_swap_entry(entry)) page = pfn_swap_entry_to_page(entry); }

if (page && !PageAnon(page)) flags |= PM_FILE; - if (page && page_mapcount(page) == 1) + if (page && !migration && page_mapcount(page) == 1) flags |= PM_MMAP_EXCLUSIVE; if (vma->vm_flags & VM_SOFTDIRTY) flags |= PM_SOFT_DIRTY; @@ -1406,8 +1426,9 @@ static int pagemap_pmd_range(pmd_t *pmdp, unsigned long addr, unsigned long end, spinlock_t *ptl; pte_t *pte, *orig_pte; int err = 0; - #ifdef CONFIG_TRANSPARENT_HUGEPAGE + bool migration = false; + ptl = pmd_trans_huge_lock(pmdp, vma); if (ptl) { u64 flags = 0, frame = 0; @@ -1446,11 +1467,12 @@ static int pagemap_pmd_range(pmd_t *pmdp, unsigned long addr, unsigned long end, if (pmd_swp_uffd_wp(pmd)) flags |= PM_UFFD_WP; VM_BUG_ON(!is_pmd_migration_entry(pmd)); + migration = is_migration_entry(entry); page = pfn_swap_entry_to_page(entry); } #endif

- if (page && page_mapcount(page) == 1) + if (page && !migration && page_mapcount(page) == 1) flags |= PM_MMAP_EXCLUSIVE;

for (; addr != end; addr += PAGE_SIZE) { diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 22d904bde6ab..a74aef99bd3d 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -690,9 +690,14 @@ int dquot_quota_sync(struct super_block *sb, int type) /* This is not very clever (and fast) but currently I don't know about * any other simple way of getting quota data to disk and we must get * them there for userspace to be visible... */ - if (sb->s_op->sync_fs) - sb->s_op->sync_fs(sb, 1); - sync_blockdev(sb->s_bdev); + if (sb->s_op->sync_fs) { + ret = sb->s_op->sync_fs(sb, 1); + if (ret) + return ret; + } + ret = sync_blockdev(sb->s_bdev); + if (ret) + return ret;

/* * Now when everything is written we can discard the pagecache so diff --git a/fs/super.c b/fs/super.c index a1f82dfd1b39..87379bb1f7a3 100644 --- a/fs/super.c +++ b/fs/super.c @@ -1616,11 +1616,9 @@ static void lockdep_sb_freeze_acquire(struct super_block *sb) percpu_rwsem_acquire(sb->s_writers.rw_sem + level, 0, _THIS_IP_); }

-static void sb_freeze_unlock(struct super_block *sb) +static void sb_freeze_unlock(struct super_block *sb, int level) { - int level; - - for (level = SB_FREEZE_LEVELS - 1; level >= 0; level--) + for (level--; level >= 0; level--) percpu_up_write(sb->s_writers.rw_sem + level); }

@@ -1691,7 +1689,14 @@ int freeze_super(struct super_block *sb) sb_wait_write(sb, SB_FREEZE_PAGEFAULT);

/* All writers are done so after syncing there won't be dirty data */ - sync_filesystem(sb); + ret = sync_filesystem(sb); + if (ret) { + sb->s_writers.frozen = SB_UNFROZEN; + sb_freeze_unlock(sb, SB_FREEZE_PAGEFAULT); + wake_up(&sb->s_writers.wait_unfrozen); + deactivate_locked_super(sb); + return ret; + }

/* Now wait for internal filesystem counter */ sb->s_writers.frozen = SB_FREEZE_FS; @@ -1703,7 +1708,7 @@ int freeze_super(struct super_block *sb) printk(KERN_ERR "VFS:Filesystem freeze failed\n"); sb->s_writers.frozen = SB_UNFROZEN; - sb_freeze_unlock(sb); + sb_freeze_unlock(sb, SB_FREEZE_FS); wake_up(&sb->s_writers.wait_unfrozen); deactivate_locked_super(sb); return ret; @@ -1748,7 +1753,7 @@ static int thaw_super_locked(struct super_block *sb) }

sb->s_writers.frozen = SB_UNFROZEN; - sb_freeze_unlock(sb); + sb_freeze_unlock(sb, SB_FREEZE_FS); out: wake_up(&sb->s_writers.wait_unfrozen); deactivate_locked_super(sb); diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index be8e7a55d803..413c0148c0ce 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1184,7 +1184,8 @@ extern void blk_dump_rq_flags(struct request *, char *);

bool __must_check blk_get_queue(struct request_queue *); extern void blk_put_queue(struct request_queue *); -extern void blk_set_queue_dying(struct request_queue *); + +void blk_mark_disk_dead(struct gendisk *disk);

#ifdef CONFIG_BLOCK /* diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 429dcebe2b99..0f7fd205ab7e 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -117,14 +117,6 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val, */ #define __stringify_label(n) #n

-#define __annotate_reachable(c) ({ \ - asm volatile(__stringify_label(c) ":\n\t" \ - ".pushsection .discard.reachable\n\t" \ - ".long " __stringify_label(c) "b - .\n\t" \ - ".popsection\n\t" : : "i" (c)); \ -}) -#define annotate_reachable() __annotate_reachable(__COUNTER__) - #define __annotate_unreachable(c) ({ \ asm volatile(__stringify_label(c) ":\n\t" \ ".pushsection .discard.unreachable\n\t" \ @@ -133,24 +125,21 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val, }) #define annotate_unreachable() __annotate_unreachable(__COUNTER__)

-#define ASM_UNREACHABLE \ - "999:\n\t" \ - ".pushsection .discard.unreachable\n\t" \ - ".long 999b - .\n\t" \ +#define ASM_REACHABLE \ + "998:\n\t" \ + ".pushsection .discard.reachable\n\t" \ + ".long 998b - .\n\t" \ ".popsection\n\t"

/* Annotate a C jump table to allow objtool to follow the code flow */ #define __annotate_jump_table __section(".rodata..c_jump_table")

#else -#define annotate_reachable() #define annotate_unreachable() +# define ASM_REACHABLE #define __annotate_jump_table #endif

-#ifndef ASM_UNREACHABLE -# define ASM_UNREACHABLE -#endif #ifndef unreachable # define unreachable() do { \ annotate_unreachable(); \ diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index fba54624191a..62ff09467776 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -2149,7 +2149,7 @@ struct net_device { struct netdev_queue *_tx ____cacheline_aligned_in_smp; unsigned int num_tx_queues; unsigned int real_num_tx_queues; - struct Qdisc *qdisc; + struct Qdisc __rcu *qdisc; unsigned int tx_queue_len; spinlock_t tx_global_lock;

diff --git a/include/linux/sched.h b/include/linux/sched.h index c1a927ddec64..76e869550646 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1675,7 +1675,6 @@ extern struct pid *cad_pid; #define PF_MEMALLOC 0x00000800 /* Allocating memory */ #define PF_NPROC_EXCEEDED 0x00001000 /* set_user() noticed that RLIMIT_NPROC was exceeded */ #define PF_USED_MATH 0x00002000 /* If unset the fpu must be initialized before use */ -#define PF_USED_ASYNC 0x00004000 /* Used async_schedule*(), used by module init */ #define PF_NOFREEZE 0x00008000 /* This thread should not be frozen */ #define PF_FROZEN 0x00010000 /* Frozen for system suspend */ #define PF_KSWAPD 0x00020000 /* I am kswapd */ diff --git a/include/net/addrconf.h b/include/net/addrconf.h index e7ce719838b5..59940e230b78 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -109,8 +109,6 @@ struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, int ipv6_dev_get_saddr(struct net *net, const struct net_device *dev, const struct in6_addr *daddr, unsigned int srcprefs, struct in6_addr *saddr); -int __ipv6_get_lladdr(struct inet6_dev *idev, struct in6_addr *addr, - u32 banned_flags); int ipv6_get_lladdr(struct net_device *dev, struct in6_addr *addr, u32 banned_flags); bool inet_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2, diff --git a/include/net/bond_3ad.h b/include/net/bond_3ad.h index 38785d48baff..184105d68294 100644 --- a/include/net/bond_3ad.h +++ b/include/net/bond_3ad.h @@ -262,7 +262,7 @@ struct ad_system { struct ad_bond_info { struct ad_system system; /* 802.3ad system structure */ struct bond_3ad_stats stats; - u32 agg_select_timer; /* Timer to select aggregator after all adapter's hand shakes */ + atomic_t agg_select_timer; /* Timer to select aggregator after all adapter's hand shakes */ u16 aggregator_identifier; };

diff --git a/include/net/dsa.h b/include/net/dsa.h index d784e76113b8..49e5ece9361c 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -1056,6 +1056,7 @@ void dsa_unregister_switch(struct dsa_switch *ds); int dsa_register_switch(struct dsa_switch *ds); void dsa_switch_shutdown(struct dsa_switch *ds); struct dsa_switch *dsa_switch_find(int tree_index, int sw_index); +void dsa_flush_workqueue(void); #ifdef CONFIG_PM_SLEEP int dsa_switch_suspend(struct dsa_switch *ds); int dsa_switch_resume(struct dsa_switch *ds); diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h index c85b040728d7..bbb27639f293 100644 --- a/include/net/ip6_fib.h +++ b/include/net/ip6_fib.h @@ -189,14 +189,16 @@ struct fib6_info { u32 fib6_metric; u8 fib6_protocol; u8 fib6_type; + + u8 offload; + u8 trap; + u8 offload_failed; + u8 should_flush:1, dst_nocount:1, dst_nopolicy:1, fib6_destroying:1, - offload:1, - trap:1, - offload_failed:1, - unused:1; + unused:4;

struct rcu_head rcu; struct nexthop *nh; diff --git a/include/net/ipv6.h b/include/net/ipv6.h index f2d0ecc257bb..359540dfc033 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -391,17 +391,20 @@ static inline void txopt_put(struct ipv6_txoptions *opt) kfree_rcu(opt, rcu); }

+#if IS_ENABLED(CONFIG_IPV6) struct ip6_flowlabel *__fl6_sock_lookup(struct sock *sk, __be32 label);

extern struct static_key_false_deferred ipv6_flowlabel_exclusive; static inline struct ip6_flowlabel *fl6_sock_lookup(struct sock *sk, __be32 label) { - if (static_branch_unlikely(&ipv6_flowlabel_exclusive.key)) + if (static_branch_unlikely(&ipv6_flowlabel_exclusive.key) && + READ_ONCE(sock_net(sk)->ipv6.flowlabel_has_excl)) return __fl6_sock_lookup(sk, label) ? : ERR_PTR(-ENOENT);

return NULL; } +#endif

struct ipv6_txoptions *fl6_merge_options(struct ipv6_txoptions *opt_space, struct ip6_flowlabel *fl, diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h index a4b550380316..6bd7e5a85ce7 100644 --- a/include/net/netns/ipv6.h +++ b/include/net/netns/ipv6.h @@ -77,9 +77,10 @@ struct netns_ipv6 { spinlock_t fib6_gc_lock; unsigned int ip6_rt_gc_expire; unsigned long ip6_rt_last_gc; + unsigned char flowlabel_has_excl; #ifdef CONFIG_IPV6_MULTIPLE_TABLES - unsigned int fib6_rules_require_fldissect; bool fib6_has_custom_rules; + unsigned int fib6_rules_require_fldissect; #ifdef CONFIG_IPV6_SUBTREES unsigned int fib6_routes_require_src; #endif diff --git a/kernel/async.c b/kernel/async.c index b8d7a663497f..b2c4ba5686ee 100644 --- a/kernel/async.c +++ b/kernel/async.c @@ -205,9 +205,6 @@ async_cookie_t async_schedule_node_domain(async_func_t func, void *data, atomic_inc(&entry_count); spin_unlock_irqrestore(&async_lock, flags);

- /* mark that this task has queued an async job, used by module init */ - current->flags |= PF_USED_ASYNC; - /* schedule for execution */ queue_work_node(node, system_unbound_wq, &entry->work);

diff --git a/kernel/cred.c b/kernel/cred.c index 1ae0b4948a5a..933155c96922 100644 --- a/kernel/cred.c +++ b/kernel/cred.c @@ -665,26 +665,20 @@ EXPORT_SYMBOL(cred_fscmp);

int set_cred_ucounts(struct cred *new) { - struct task_struct *task = current; - const struct cred *old = task->real_cred; struct ucounts *new_ucounts, *old_ucounts = new->ucounts;

- if (new->user == old->user && new->user_ns == old->user_ns) - return 0; - /* * This optimization is needed because alloc_ucounts() uses locks * for table lookups. */ - if (old_ucounts && old_ucounts->ns == new->user_ns && uid_eq(old_ucounts->uid, new->euid)) + if (old_ucounts->ns == new->user_ns && uid_eq(old_ucounts->uid, new->uid)) return 0;

- if (!(new_ucounts = alloc_ucounts(new->user_ns, new->euid))) + if (!(new_ucounts = alloc_ucounts(new->user_ns, new->uid))) return -EAGAIN;

new->ucounts = new_ucounts; - if (old_ucounts) - put_ucounts(old_ucounts); + put_ucounts(old_ucounts);

return 0; } diff --git a/kernel/fork.c b/kernel/fork.c index 10885c649ca4..28aee1a8875b 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -2055,18 +2055,18 @@ static __latent_entropy struct task_struct *copy_process( #ifdef CONFIG_PROVE_LOCKING DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled); #endif + retval = copy_creds(p, clone_flags); + if (retval < 0) + goto bad_fork_free; + retval = -EAGAIN; if (is_ucounts_overlimit(task_ucounts(p), UCOUNT_RLIMIT_NPROC, rlimit(RLIMIT_NPROC))) { if (p->real_cred->user != INIT_USER && !capable(CAP_SYS_RESOURCE) && !capable(CAP_SYS_ADMIN)) - goto bad_fork_free; + goto bad_fork_cleanup_count; } current->flags &= ~PF_NPROC_EXCEEDED;

- retval = copy_creds(p, clone_flags); - if (retval < 0) - goto bad_fork_free; - /* * If multiple threads are within copy_process(), then this check * triggers too late. This doesn't hurt, the check is only there @@ -2353,10 +2353,6 @@ static __latent_entropy struct task_struct *copy_process( goto bad_fork_cancel_cgroup; }

- /* past the last point of failure */ - if (pidfile) - fd_install(pidfd, pidfile); - init_task_pid_links(p); if (likely(p->pid)) { ptrace_init_task(p, (clone_flags & CLONE_PTRACE) || trace); @@ -2405,6 +2401,9 @@ static __latent_entropy struct task_struct *copy_process( syscall_tracepoint_update(p); write_unlock_irq(&tasklist_lock);

+ if (pidfile) + fd_install(pidfd, pidfile); + proc_fork_connector(p); sched_post_fork(p, args); cgroup_post_fork(p, args); diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index d624231eab2b..92127296cf2b 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -3450,7 +3450,7 @@ struct lock_class *lock_chain_get_class(struct lock_chain *chain, int i) u16 chain_hlock = chain_hlocks[chain->base + i]; unsigned int class_idx = chain_hlock_class_idx(chain_hlock);

- return lock_classes + class_idx - 1; + return lock_classes + class_idx; }

/* @@ -3518,7 +3518,7 @@ static void print_chain_keys_chain(struct lock_chain *chain) hlock_id = chain_hlocks[chain->base + i]; chain_key = print_chain_key_iteration(hlock_id, chain_key);

- print_lock_name(lock_classes + chain_hlock_class_idx(hlock_id) - 1); + print_lock_name(lock_classes + chain_hlock_class_idx(hlock_id)); printk("\n"); } } diff --git a/kernel/module.c b/kernel/module.c index 5c26a76e800b..83991c2d5af9 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -3683,12 +3683,6 @@ static noinline int do_init_module(struct module *mod) } freeinit->module_init = mod->init_layout.base;

- /* - * We want to find out whether @mod uses async during init. Clear - * PF_USED_ASYNC. async_schedule*() will set it. - */ - current->flags &= ~PF_USED_ASYNC; - do_mod_ctors(mod); /* Start the module */ if (mod->init != NULL) @@ -3714,22 +3708,13 @@ static noinline int do_init_module(struct module *mod)

/* * We need to finish all async code before the module init sequence - * is done. This has potential to deadlock. For example, a newly - * detected block device can trigger request_module() of the - * default iosched from async probing task. Once userland helper - * reaches here, async_synchronize_full() will wait on the async - * task waiting on request_module() and deadlock. - * - * This deadlock is avoided by perfomring async_synchronize_full() - * iff module init queued any async jobs. This isn't a full - * solution as it will deadlock the same if module loading from - * async jobs nests more than once; however, due to the various - * constraints, this hack seems to be the best option for now. - * Please refer to the following thread for details. + * is done. This has potential to deadlock if synchronous module + * loading is requested from async (which is not allowed!). * - * http://thread.gmane.org/gmane.linux.kernel/1420814 + * See commit 0fdff3ec6d87 ("async, kmod: warn on synchronous + * request_module() from async workers") for more details. */ - if (!mod->async_probe_requested && (current->flags & PF_USED_ASYNC)) + if (!mod->async_probe_requested) async_synchronize_full();

ftrace_free_mem(mod, mod->init_layout.base, mod->init_layout.base + diff --git a/kernel/stackleak.c b/kernel/stackleak.c index ce161a8e8d97..dd07239ddff9 100644 --- a/kernel/stackleak.c +++ b/kernel/stackleak.c @@ -48,7 +48,7 @@ int stack_erasing_sysctl(struct ctl_table *table, int write, #define skip_erasing() false #endif /* CONFIG_STACKLEAK_RUNTIME_DISABLE */

-asmlinkage void notrace stackleak_erase(void) +asmlinkage void noinstr stackleak_erase(void) { /* It would be nice not to have 'kstack_ptr' and 'boundary' on stack */ unsigned long kstack_ptr = current->lowest_stack; @@ -102,9 +102,8 @@ asmlinkage void notrace stackleak_erase(void) /* Reset the 'lowest_stack' value for the next syscall */ current->lowest_stack = current_top_of_stack() - THREAD_SIZE/64; } -NOKPROBE_SYMBOL(stackleak_erase);

-void __used __no_caller_saved_registers notrace stackleak_track_stack(void) +void __used __no_caller_saved_registers noinstr stackleak_track_stack(void) { unsigned long sp = current_stack_pointer;

diff --git a/kernel/sys.c b/kernel/sys.c index 8fdac0d90504..3e4e8930fafc 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -472,6 +472,16 @@ static int set_user(struct cred *new) if (!new_user) return -EAGAIN;

+ free_uid(new->user); + new->user = new_user; + return 0; +} + +static void flag_nproc_exceeded(struct cred *new) +{ + if (new->ucounts == current_ucounts()) + return; + /* * We don't fail in case of NPROC limit excess here because too many * poorly written programs don't check set*uid() return code, assuming @@ -480,15 +490,10 @@ static int set_user(struct cred *new) * failure to the execve() stage. */ if (is_ucounts_overlimit(new->ucounts, UCOUNT_RLIMIT_NPROC, rlimit(RLIMIT_NPROC)) && - new_user != INIT_USER && - !capable(CAP_SYS_RESOURCE) && !capable(CAP_SYS_ADMIN)) + new->user != INIT_USER) current->flags |= PF_NPROC_EXCEEDED; else current->flags &= ~PF_NPROC_EXCEEDED; - - free_uid(new->user); - new->user = new_user; - return 0; }

/* @@ -563,6 +568,7 @@ long __sys_setreuid(uid_t ruid, uid_t euid) if (retval < 0) goto error;

+ flag_nproc_exceeded(new); return commit_creds(new);

error: @@ -625,6 +631,7 @@ long __sys_setuid(uid_t uid) if (retval < 0) goto error;

+ flag_nproc_exceeded(new); return commit_creds(new);

error: @@ -704,6 +711,7 @@ long __sys_setresuid(uid_t ruid, uid_t euid, uid_t suid) if (retval < 0) goto error;

+ flag_nproc_exceeded(new); return commit_creds(new);

error: diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 51a87a67e2ab..618c20ce2479 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -252,6 +252,10 @@ __setup("trace_clock=", set_trace_boot_clock);

static int __init set_tracepoint_printk(char *str) { + /* Ignore the "tp_printk_stop_on_boot" param */ + if (*str == '_') + return 0; + if ((strcmp(str, "=0") != 0 && strcmp(str, "=off") != 0)) tracepoint_printk = 1; return 1; diff --git a/kernel/ucount.c b/kernel/ucount.c index 804f64799fc1..a1d67261501a 100644 --- a/kernel/ucount.c +++ b/kernel/ucount.c @@ -344,7 +344,8 @@ bool is_ucounts_overlimit(struct ucounts *ucounts, enum ucount_type type, unsign if (rlimit > LONG_MAX) max = LONG_MAX; for (iter = ucounts; iter; iter = iter->ns->ucounts) { - if (get_ucounts_value(iter, type) > max) + long val = get_ucounts_value(iter, type); + if (val < 0 || val > max) return true; max = READ_ONCE(iter->ns->ucount_max[type]); } diff --git a/lib/iov_iter.c b/lib/iov_iter.c index 60b5e6edfbaa..c5b2f0f4b8a8 100644 --- a/lib/iov_iter.c +++ b/lib/iov_iter.c @@ -416,6 +416,7 @@ static size_t copy_page_to_iter_pipe(struct page *page, size_t offset, size_t by return 0;

buf->ops = &page_cache_pipe_buf_ops; + buf->flags = 0; get_page(page); buf->page = page; buf->offset = offset; @@ -532,6 +533,7 @@ static size_t push_pipe(struct iov_iter *i, size_t size, break;

buf->ops = &default_pipe_buf_ops; + buf->flags = 0; buf->page = page; buf->offset = 0; buf->len = min_t(ssize_t, left, PAGE_SIZE); diff --git a/mm/mprotect.c b/mm/mprotect.c index 883e2cc85cad..ed18dc49533f 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -94,7 +94,7 @@ static unsigned long change_pte_range(struct vm_area_struct *vma, pmd_t *pmd,

/* Also skip shared copy-on-write pages */ if (is_cow_mapping(vma->vm_flags) && - page_mapcount(page) != 1) + page_count(page) != 1) continue;

/* diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index 7473e0cc6d46..ea3431ac46a1 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -77,6 +77,7 @@ static void ax25_kill_by_device(struct net_device *dev) { ax25_dev *ax25_dev; ax25_cb *s; + struct sock *sk;

if ((ax25_dev = ax25_dev_ax25dev(dev)) == NULL) return; @@ -85,13 +86,15 @@ static void ax25_kill_by_device(struct net_device *dev) again: ax25_for_each(s, &ax25_list) { if (s->ax25_dev == ax25_dev) { + sk = s->sk; + sock_hold(sk); spin_unlock_bh(&ax25_list_lock); - lock_sock(s->sk); + lock_sock(sk); s->ax25_dev = NULL; - release_sock(s->sk); + release_sock(sk); ax25_disconnect(s, ENETUNREACH); spin_lock_bh(&ax25_list_lock); - + sock_put(sk); /* The entry could have been deleted from the * list meanwhile and thus the next pointer is * no longer valid. Play it safe and restart diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index de2409889489..db4f2641d1cd 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -82,6 +82,9 @@ static void br_multicast_find_del_pg(struct net_bridge *br, struct net_bridge_port_group *pg); static void __br_multicast_stop(struct net_bridge_mcast *brmctx);

+static int br_mc_disabled_update(struct net_device *dev, bool value, + struct netlink_ext_ack *extack); + static struct net_bridge_port_group * br_sg_port_find(struct net_bridge *br, struct net_bridge_port_group_sg_key *sg_p) @@ -1156,6 +1159,7 @@ struct net_bridge_mdb_entry *br_multicast_new_group(struct net_bridge *br, return mp;

if (atomic_read(&br->mdb_hash_tbl.nelems) >= br->hash_max) { + br_mc_disabled_update(br->dev, false, NULL); br_opt_toggle(br, BROPT_MULTICAST_ENABLED, false); return ERR_PTR(-E2BIG); } diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c index 49442cae6f69..1d99b731e5b2 100644 --- a/net/core/drop_monitor.c +++ b/net/core/drop_monitor.c @@ -280,13 +280,17 @@ static void trace_napi_poll_hit(void *ignore, struct napi_struct *napi,

rcu_read_lock(); list_for_each_entry_rcu(new_stat, &hw_stats_list, list) { + struct net_device *dev; + /* * only add a note to our monitor buffer if: * 1) this is the dev we received on * 2) its after the last_rx delta * 3) our rx_dropped count has gone up */ - if ((new_stat->dev == napi->dev) && + /* Paired with WRITE_ONCE() in dropmon_net_event() */ + dev = READ_ONCE(new_stat->dev); + if ((dev == napi->dev) && (time_after(jiffies, new_stat->last_rx + dm_hw_check_delta)) && (napi->dev->stats.rx_dropped != new_stat->last_drop_val)) { trace_drop_common(NULL, NULL); @@ -1572,7 +1576,10 @@ static int dropmon_net_event(struct notifier_block *ev_block, mutex_lock(&net_dm_mutex); list_for_each_entry_safe(new_stat, tmp, &hw_stats_list, list) { if (new_stat->dev == dev) { - new_stat->dev = NULL; + + /* Paired with READ_ONCE() in trace_napi_poll_hit() */ + WRITE_ONCE(new_stat->dev, NULL); + if (trace_state == TRACE_OFF) { list_del_rcu(&new_stat->list); kfree_rcu(new_stat, rcu); diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 198cc8b74dc3..91d7a5a5a08d 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1698,6 +1698,7 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, { struct ifinfomsg *ifm; struct nlmsghdr *nlh; + struct Qdisc *qdisc;

ASSERT_RTNL(); nlh = nlmsg_put(skb, pid, seq, type, sizeof(*ifm), flags); @@ -1715,6 +1716,7 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, if (tgt_netnsid >= 0 && nla_put_s32(skb, IFLA_TARGET_NETNSID, tgt_netnsid)) goto nla_put_failure;

+ qdisc = rtnl_dereference(dev->qdisc); if (nla_put_string(skb, IFLA_IFNAME, dev->name) || nla_put_u32(skb, IFLA_TXQLEN, dev->tx_queue_len) || nla_put_u8(skb, IFLA_OPERSTATE, @@ -1733,8 +1735,8 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, #endif put_master_ifindex(skb, dev) || nla_put_u8(skb, IFLA_CARRIER, netif_carrier_ok(dev)) || - (dev->qdisc && - nla_put_string(skb, IFLA_QDISC, dev->qdisc->ops->id)) || + (qdisc && + nla_put_string(skb, IFLA_QDISC, qdisc->ops->id)) || nla_put_ifalias(skb, dev) || nla_put_u32(skb, IFLA_CARRIER_CHANGES, atomic_read(&dev->carrier_up_count) + diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 41f36ad8b0ec..4ff03fb262e0 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -349,6 +349,7 @@ void dsa_flush_workqueue(void) { flush_workqueue(dsa_owq); } +EXPORT_SYMBOL_GPL(dsa_flush_workqueue);

int dsa_devlink_param_get(struct devlink *dl, u32 id, struct devlink_param_gset_ctx *ctx) diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h index a5c9bc7b66c6..33ab7d7af9eb 100644 --- a/net/dsa/dsa_priv.h +++ b/net/dsa/dsa_priv.h @@ -170,7 +170,6 @@ void dsa_tag_driver_put(const struct dsa_device_ops *ops); const struct dsa_device_ops *dsa_find_tagger_by_name(const char *buf);

bool dsa_schedule_work(struct work_struct *work); -void dsa_flush_workqueue(void); const char *dsa_tag_protocol_to_str(const struct dsa_device_ops *ops);

static inline int dsa_tag_protocol_overhead(const struct dsa_device_ops *ops) diff --git a/net/dsa/tag_lan9303.c b/net/dsa/tag_lan9303.c index cb548188f813..98d7d7120bab 100644 --- a/net/dsa/tag_lan9303.c +++ b/net/dsa/tag_lan9303.c @@ -77,7 +77,6 @@ static struct sk_buff *lan9303_xmit(struct sk_buff *skb, struct net_device *dev)

static struct sk_buff *lan9303_rcv(struct sk_buff *skb, struct net_device *dev) { - __be16 *lan9303_tag; u16 lan9303_tag1; unsigned int source_port;

@@ -87,14 +86,15 @@ static struct sk_buff *lan9303_rcv(struct sk_buff *skb, struct net_device *dev) return NULL; }

- lan9303_tag = dsa_etype_header_pos_rx(skb); - - if (lan9303_tag[0] != htons(ETH_P_8021Q)) { - dev_warn_ratelimited(&dev->dev, "Dropping packet due to invalid VLAN marker\n"); - return NULL; + if (skb_vlan_tag_present(skb)) { + lan9303_tag1 = skb_vlan_tag_get(skb); + __vlan_hwaccel_clear_tag(skb); + } else { + skb_push_rcsum(skb, ETH_HLEN); + __skb_vlan_pop(skb, &lan9303_tag1); + skb_pull_rcsum(skb, ETH_HLEN); }

- lan9303_tag1 = ntohs(lan9303_tag[1]); source_port = lan9303_tag1 & 0x3;

skb->dev = dsa_master_find_slave(dev, 0, source_port); @@ -103,13 +103,6 @@ static struct sk_buff *lan9303_rcv(struct sk_buff *skb, struct net_device *dev) return NULL; }

- /* remove the special VLAN tag between the MAC addresses - * and the current ethertype field. - */ - skb_pull_rcsum(skb, 2 + 2); - - dsa_strip_etype_header(skb, LAN9303_TAG_LEN); - if (!(lan9303_tag1 & LAN9303_TAG_RX_TRAPPED_TO_CPU)) dsa_default_offload_fwd_mark(skb);

diff --git a/net/ipv4/fib_lookup.h b/net/ipv4/fib_lookup.h index e184bcb19943..78e40ea42e58 100644 --- a/net/ipv4/fib_lookup.h +++ b/net/ipv4/fib_lookup.h @@ -16,10 +16,9 @@ struct fib_alias { u8 fa_slen; u32 tb_id; s16 fa_default; - u8 offload:1, - trap:1, - offload_failed:1, - unused:5; + u8 offload; + u8 trap; + u8 offload_failed; struct rcu_head rcu; };

diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index 5dfb94abe7b1..d244c57b7303 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -524,9 +524,9 @@ void rtmsg_fib(int event, __be32 key, struct fib_alias *fa, fri.dst_len = dst_len; fri.tos = fa->fa_tos; fri.type = fa->fa_type; - fri.offload = fa->offload; - fri.trap = fa->trap; - fri.offload_failed = fa->offload_failed; + fri.offload = READ_ONCE(fa->offload); + fri.trap = READ_ONCE(fa->trap); + fri.offload_failed = READ_ONCE(fa->offload_failed); err = fib_dump_info(skb, info->portid, seq, event, &fri, nlm_flags); if (err < 0) { /* -EMSGSIZE implies BUG in fib_nlmsg_size() */ diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 8060524f4256..f7f74d5c14da 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -1047,19 +1047,23 @@ void fib_alias_hw_flags_set(struct net *net, const struct fib_rt_info *fri) if (!fa_match) goto out;

- if (fa_match->offload == fri->offload && fa_match->trap == fri->trap && - fa_match->offload_failed == fri->offload_failed) + /* These are paired with the WRITE_ONCE() happening in this function. + * The reason is that we are only protected by RCU at this point. + */ + if (READ_ONCE(fa_match->offload) == fri->offload && + READ_ONCE(fa_match->trap) == fri->trap && + READ_ONCE(fa_match->offload_failed) == fri->offload_failed) goto out;

- fa_match->offload = fri->offload; - fa_match->trap = fri->trap; + WRITE_ONCE(fa_match->offload, fri->offload); + WRITE_ONCE(fa_match->trap, fri->trap);

/* 2 means send notifications only if offload_failed was changed. */ if (net->ipv4.sysctl_fib_notify_on_flag_change == 2 && - fa_match->offload_failed == fri->offload_failed) + READ_ONCE(fa_match->offload_failed) == fri->offload_failed) goto out;

- fa_match->offload_failed = fri->offload_failed; + WRITE_ONCE(fa_match->offload_failed, fri->offload_failed);

if (!net->ipv4.sysctl_fib_notify_on_flag_change) goto out; @@ -2297,9 +2301,9 @@ static int fn_trie_dump_leaf(struct key_vector *l, struct fib_table *tb, fri.dst_len = KEYLENGTH - fa->fa_slen; fri.tos = fa->fa_tos; fri.type = fa->fa_type; - fri.offload = fa->offload; - fri.trap = fa->trap; - fri.offload_failed = fa->offload_failed; + fri.offload = READ_ONCE(fa->offload); + fri.trap = READ_ONCE(fa->trap); + fri.offload_failed = READ_ONCE(fa->offload_failed); err = fib_dump_info(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index 086822cb1cc9..e3a159c8f231 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -172,16 +172,23 @@ static struct sock *ping_lookup(struct net *net, struct sk_buff *skb, u16 ident) struct sock *sk = NULL; struct inet_sock *isk; struct hlist_nulls_node *hnode; - int dif = skb->dev->ifindex; + int dif, sdif;

if (skb->protocol == htons(ETH_P_IP)) { + dif = inet_iif(skb); + sdif = inet_sdif(skb); pr_debug("try to find: num = %d, daddr = %pI4, dif = %d\n", (int)ident, &ip_hdr(skb)->daddr, dif); #if IS_ENABLED(CONFIG_IPV6) } else if (skb->protocol == htons(ETH_P_IPV6)) { + dif = inet6_iif(skb); + sdif = inet6_sdif(skb); pr_debug("try to find: num = %d, daddr = %pI6c, dif = %d\n", (int)ident, &ipv6_hdr(skb)->daddr, dif); #endif + } else { + pr_err("ping: protocol(%x) is not supported\n", ntohs(skb->protocol)); + return NULL; }

read_lock_bh(&ping_table.lock); @@ -221,7 +228,7 @@ static struct sock *ping_lookup(struct net *net, struct sk_buff *skb, u16 ident) }

if (sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif && - sk->sk_bound_dev_if != inet_sdif(skb)) + sk->sk_bound_dev_if != sdif) continue;

sock_hold(sk); diff --git a/net/ipv4/route.c b/net/ipv4/route.c index d6899ab5fb39..23833660584d 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -3401,8 +3401,8 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, fa->fa_tos == fri.tos && fa->fa_info == res.fi && fa->fa_type == fri.type) { - fri.offload = fa->offload; - fri.trap = fa->trap; + fri.offload = READ_ONCE(fa->offload); + fri.trap = READ_ONCE(fa->trap); break; } } diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index bf1386542634..c6e1989ab2ed 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1837,8 +1837,8 @@ int ipv6_dev_get_saddr(struct net *net, const struct net_device *dst_dev, } EXPORT_SYMBOL(ipv6_dev_get_saddr);

-int __ipv6_get_lladdr(struct inet6_dev *idev, struct in6_addr *addr, - u32 banned_flags) +static int __ipv6_get_lladdr(struct inet6_dev *idev, struct in6_addr *addr, + u32 banned_flags) { struct inet6_ifaddr *ifp; int err = -EADDRNOTAVAIL; diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c index aa673a6a7e43..ceb85c67ce39 100644 --- a/net/ipv6/ip6_flowlabel.c +++ b/net/ipv6/ip6_flowlabel.c @@ -450,8 +450,10 @@ fl_create(struct net *net, struct sock *sk, struct in6_flowlabel_req *freq, err = -EINVAL; goto done; } - if (fl_shared_exclusive(fl) || fl->opt) + if (fl_shared_exclusive(fl) || fl->opt) { + WRITE_ONCE(sock_net(sk)->ipv6.flowlabel_has_excl, 1); static_branch_deferred_inc(&ipv6_flowlabel_exclusive); + } return fl;

done: diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index bed8155508c8..a8861db52c18 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -1759,7 +1759,7 @@ static struct sk_buff *mld_newpack(struct inet6_dev *idev, unsigned int mtu) skb_reserve(skb, hlen); skb_tailroom_reserve(skb, mtu, tlen);

- if (__ipv6_get_lladdr(idev, &addr_buf, IFA_F_TENTATIVE)) { + if (ipv6_get_lladdr(dev, &addr_buf, IFA_F_TENTATIVE)) { /* <draft-ietf-magma-mld-source-05.txt>: * use unspecified address as the source address * when a valid link-local address is not available. diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 3c5bb4969220..e0766bdf20e7 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -5767,11 +5767,11 @@ static int rt6_fill_node(struct net *net, struct sk_buff *skb, }

if (!dst) { - if (rt->offload) + if (READ_ONCE(rt->offload)) rtm->rtm_flags |= RTM_F_OFFLOAD; - if (rt->trap) + if (READ_ONCE(rt->trap)) rtm->rtm_flags |= RTM_F_TRAP; - if (rt->offload_failed) + if (READ_ONCE(rt->offload_failed)) rtm->rtm_flags |= RTM_F_OFFLOAD_FAILED; }

@@ -6229,19 +6229,20 @@ void fib6_info_hw_flags_set(struct net *net, struct fib6_info *f6i, struct sk_buff *skb; int err;

- if (f6i->offload == offload && f6i->trap == trap && - f6i->offload_failed == offload_failed) + if (READ_ONCE(f6i->offload) == offload && + READ_ONCE(f6i->trap) == trap && + READ_ONCE(f6i->offload_failed) == offload_failed) return;

- f6i->offload = offload; - f6i->trap = trap; + WRITE_ONCE(f6i->offload, offload); + WRITE_ONCE(f6i->trap, trap);

/* 2 means send notifications only if offload_failed was changed. */ if (net->ipv6.sysctl.fib_notify_on_flag_change == 2 && - f6i->offload_failed == offload_failed) + READ_ONCE(f6i->offload_failed) == offload_failed) return;

- f6i->offload_failed = offload_failed; + WRITE_ONCE(f6i->offload_failed, offload_failed);

if (!rcu_access_pointer(f6i->fib6_node)) /* The route was removed from the tree, do not send diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 89c648b035b9..215948fb0d35 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -664,7 +664,7 @@ static void ieee80211_add_he_ie(struct ieee80211_sub_if_data *sdata, ieee80211_ie_build_he_6ghz_cap(sdata, skb); }

-static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata) +static int ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata) { struct ieee80211_local *local = sdata->local; struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; @@ -684,6 +684,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata) enum nl80211_iftype iftype = ieee80211_vif_type_p2p(&sdata->vif); const struct ieee80211_sband_iftype_data *iftd; struct ieee80211_prep_tx_info info = {}; + int ret;

/* we know it's writable, cast away the const */ if (assoc_data->ie_len) @@ -697,7 +698,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata) chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); if (WARN_ON(!chanctx_conf)) { rcu_read_unlock(); - return; + return -EINVAL; } chan = chanctx_conf->def.chan; rcu_read_unlock(); @@ -748,7 +749,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata) (iftd ? iftd->vendor_elems.len : 0), GFP_KERNEL); if (!skb) - return; + return -ENOMEM;

skb_reserve(skb, local->hw.extra_tx_headroom);

@@ -1029,15 +1030,22 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata) skb_put_data(skb, assoc_data->ie + offset, noffset - offset); }

- if (assoc_data->fils_kek_len && - fils_encrypt_assoc_req(skb, assoc_data) < 0) { - dev_kfree_skb(skb); - return; + if (assoc_data->fils_kek_len) { + ret = fils_encrypt_assoc_req(skb, assoc_data); + if (ret < 0) { + dev_kfree_skb(skb); + return ret; + } }

pos = skb_tail_pointer(skb); kfree(ifmgd->assoc_req_ies); ifmgd->assoc_req_ies = kmemdup(ie_start, pos - ie_start, GFP_ATOMIC); + if (!ifmgd->assoc_req_ies) { + dev_kfree_skb(skb); + return -ENOMEM; + } + ifmgd->assoc_req_ies_len = pos - ie_start;

drv_mgd_prepare_tx(local, sdata, &info); @@ -1047,6 +1055,8 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata) IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS | IEEE80211_TX_INTFL_MLME_CONN_TX; ieee80211_tx_skb(sdata, skb); + + return 0; }

void ieee80211_send_pspoll(struct ieee80211_local *local, @@ -4451,6 +4461,7 @@ static int ieee80211_do_assoc(struct ieee80211_sub_if_data *sdata) { struct ieee80211_mgd_assoc_data *assoc_data = sdata->u.mgd.assoc_data; struct ieee80211_local *local = sdata->local; + int ret;

sdata_assert_lock(sdata);

@@ -4471,7 +4482,9 @@ static int ieee80211_do_assoc(struct ieee80211_sub_if_data *sdata) sdata_info(sdata, "associate with %pM (try %d/%d)\n", assoc_data->bss->bssid, assoc_data->tries, IEEE80211_ASSOC_MAX_TRIES); - ieee80211_send_assoc(sdata); + ret = ieee80211_send_assoc(sdata); + if (ret) + return ret;

if (!ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) { assoc_data->timeout = jiffies + IEEE80211_ASSOC_TIMEOUT; diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c index 2394238d01c9..5a936334b517 100644 --- a/net/netfilter/nf_conntrack_proto_sctp.c +++ b/net/netfilter/nf_conntrack_proto_sctp.c @@ -489,6 +489,15 @@ int nf_conntrack_sctp_packet(struct nf_conn *ct, pr_debug("Setting vtag %x for dir %d\n", ih->init_tag, !dir); ct->proto.sctp.vtag[!dir] = ih->init_tag; + + /* don't renew timeout on init retransmit so + * port reuse by client or NAT middlebox cannot + * keep entry alive indefinitely (incl. nat info). + */ + if (new_state == SCTP_CONNTRACK_CLOSED && + old_state == SCTP_CONNTRACK_CLOSED && + nf_ct_is_confirmed(ct)) + ignore = true; }

ct->proto.sctp.state = new_state; diff --git a/net/netfilter/nft_synproxy.c b/net/netfilter/nft_synproxy.c index a0109fa1e92d..1133e06f3c40 100644 --- a/net/netfilter/nft_synproxy.c +++ b/net/netfilter/nft_synproxy.c @@ -191,8 +191,10 @@ static int nft_synproxy_do_init(const struct nft_ctx *ctx, if (err) goto nf_ct_failure; err = nf_synproxy_ipv6_init(snet, ctx->net); - if (err) + if (err) { + nf_synproxy_ipv4_fini(snet, ctx->net); goto nf_ct_failure; + } break; }

diff --git a/net/sched/act_api.c b/net/sched/act_api.c index 7dd3a2dc5fa4..7d53272727bf 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -728,15 +728,24 @@ int tcf_action_exec(struct sk_buff *skb, struct tc_action **actions, restart_act_graph: for (i = 0; i < nr_actions; i++) { const struct tc_action *a = actions[i]; + int repeat_ttl;

if (jmp_prgcnt > 0) { jmp_prgcnt -= 1; continue; } + + repeat_ttl = 32; repeat: ret = a->ops->act(skb, a, res); - if (ret == TC_ACT_REPEAT) - goto repeat; /* we need a ttl - JHS */ + + if (unlikely(ret == TC_ACT_REPEAT)) { + if (--repeat_ttl != 0) + goto repeat; + /* suspicious opcode, stop pipeline */ + net_warn_ratelimited("TC_ACT_REPEAT abuse ?\n"); + return TC_ACT_OK; + }

if (TC_ACT_EXT_CMP(ret, TC_ACT_JUMP)) { jmp_prgcnt = ret & TCA_ACT_MAX_PRIO_MASK; diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index 56dba8519d7c..cd44cac7fbcf 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -1044,7 +1044,7 @@ static int __tcf_qdisc_find(struct net *net, struct Qdisc **q,

/* Find qdisc */ if (!*parent) { - *q = dev->qdisc; + *q = rcu_dereference(dev->qdisc); *parent = (*q)->handle; } else { *q = qdisc_lookup_rcu(dev, TC_H_MAJ(*parent)); @@ -2587,7 +2587,7 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)

parent = tcm->tcm_parent; if (!parent) - q = dev->qdisc; + q = rtnl_dereference(dev->qdisc); else q = qdisc_lookup(dev, TC_H_MAJ(tcm->tcm_parent)); if (!q) @@ -2962,7 +2962,7 @@ static int tc_dump_chain(struct sk_buff *skb, struct netlink_callback *cb) return skb->len;

if (!tcm->tcm_parent) - q = dev->qdisc; + q = rtnl_dereference(dev->qdisc); else q = qdisc_lookup(dev, TC_H_MAJ(tcm->tcm_parent));

diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 8e629c356e69..0fb387c9d706 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -301,7 +301,7 @@ struct Qdisc *qdisc_lookup(struct net_device *dev, u32 handle)

if (!handle) return NULL; - q = qdisc_match_from_root(dev->qdisc, handle); + q = qdisc_match_from_root(rtnl_dereference(dev->qdisc), handle); if (q) goto out;

@@ -320,7 +320,7 @@ struct Qdisc *qdisc_lookup_rcu(struct net_device *dev, u32 handle)

if (!handle) return NULL; - q = qdisc_match_from_root(dev->qdisc, handle); + q = qdisc_match_from_root(rcu_dereference(dev->qdisc), handle); if (q) goto out;

@@ -1082,10 +1082,10 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent, skip: if (!ingress) { notify_and_destroy(net, skb, n, classid, - dev->qdisc, new); + rtnl_dereference(dev->qdisc), new); if (new && !new->ops->attach) qdisc_refcount_inc(new); - dev->qdisc = new ? : &noop_qdisc; + rcu_assign_pointer(dev->qdisc, new ? : &noop_qdisc);

if (new && new->ops->attach) new->ops->attach(new); @@ -1460,7 +1460,7 @@ static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n, q = dev_ingress_queue(dev)->qdisc_sleeping; } } else { - q = dev->qdisc; + q = rtnl_dereference(dev->qdisc); } if (!q) { NL_SET_ERR_MSG(extack, "Cannot find specified qdisc on specified device"); @@ -1549,7 +1549,7 @@ static int tc_modify_qdisc(struct sk_buff *skb, struct nlmsghdr *n, q = dev_ingress_queue(dev)->qdisc_sleeping; } } else { - q = dev->qdisc; + q = rtnl_dereference(dev->qdisc); }

/* It may be default qdisc, ignore it */ @@ -1771,7 +1771,8 @@ static int tc_dump_qdisc(struct sk_buff *skb, struct netlink_callback *cb) s_q_idx = 0; q_idx = 0;

- if (tc_dump_qdisc_root(dev->qdisc, skb, cb, &q_idx, s_q_idx, + if (tc_dump_qdisc_root(rtnl_dereference(dev->qdisc), + skb, cb, &q_idx, s_q_idx, true, tca[TCA_DUMP_INVISIBLE]) < 0) goto done;

@@ -2042,7 +2043,7 @@ static int tc_ctl_tclass(struct sk_buff *skb, struct nlmsghdr *n, } else if (qid1) { qid = qid1; } else if (qid == 0) - qid = dev->qdisc->handle; + qid = rtnl_dereference(dev->qdisc)->handle;

/* Now qid is genuine qdisc handle consistent * both with parent and child. @@ -2053,7 +2054,7 @@ static int tc_ctl_tclass(struct sk_buff *skb, struct nlmsghdr *n, portid = TC_H_MAKE(qid, portid); } else { if (qid == 0) - qid = dev->qdisc->handle; + qid = rtnl_dereference(dev->qdisc)->handle; }

/* OK. Locate qdisc */ @@ -2214,7 +2215,8 @@ static int tc_dump_tclass(struct sk_buff *skb, struct netlink_callback *cb) s_t = cb->args[0]; t = 0;

- if (tc_dump_tclass_root(dev->qdisc, skb, tcm, cb, &t, s_t, true) < 0) + if (tc_dump_tclass_root(rtnl_dereference(dev->qdisc), + skb, tcm, cb, &t, s_t, true) < 0) goto done;

dev_queue = dev_ingress_queue(dev); diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 47ca76ba7ffa..30c29a9a2efd 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -1114,30 +1114,33 @@ static void attach_default_qdiscs(struct net_device *dev) if (!netif_is_multiqueue(dev) || dev->priv_flags & IFF_NO_QUEUE) { netdev_for_each_tx_queue(dev, attach_one_default_qdisc, NULL); - dev->qdisc = txq->qdisc_sleeping; - qdisc_refcount_inc(dev->qdisc); + qdisc = txq->qdisc_sleeping; + rcu_assign_pointer(dev->qdisc, qdisc); + qdisc_refcount_inc(qdisc); } else { qdisc = qdisc_create_dflt(txq, &mq_qdisc_ops, TC_H_ROOT, NULL); if (qdisc) { - dev->qdisc = qdisc; + rcu_assign_pointer(dev->qdisc, qdisc); qdisc->ops->attach(qdisc); } } + qdisc = rtnl_dereference(dev->qdisc);

/* Detect default qdisc setup/init failed and fallback to "noqueue" */ - if (dev->qdisc == &noop_qdisc) { + if (qdisc == &noop_qdisc) { netdev_warn(dev, "default qdisc (%s) fail, fallback to %s\n", default_qdisc_ops->id, noqueue_qdisc_ops.id); dev->priv_flags |= IFF_NO_QUEUE; netdev_for_each_tx_queue(dev, attach_one_default_qdisc, NULL); - dev->qdisc = txq->qdisc_sleeping; - qdisc_refcount_inc(dev->qdisc); + qdisc = txq->qdisc_sleeping; + rcu_assign_pointer(dev->qdisc, qdisc); + qdisc_refcount_inc(qdisc); dev->priv_flags ^= IFF_NO_QUEUE; }

#ifdef CONFIG_NET_SCHED - if (dev->qdisc != &noop_qdisc) - qdisc_hash_add(dev->qdisc, false); + if (qdisc != &noop_qdisc) + qdisc_hash_add(qdisc, false); #endif }

@@ -1167,7 +1170,7 @@ void dev_activate(struct net_device *dev) * and noqueue_qdisc for virtual interfaces */

- if (dev->qdisc == &noop_qdisc) + if (rtnl_dereference(dev->qdisc) == &noop_qdisc) attach_default_qdiscs(dev);

if (!netif_carrier_ok(dev)) @@ -1333,7 +1336,7 @@ static int qdisc_change_tx_queue_len(struct net_device *dev, void dev_qdisc_change_real_num_tx(struct net_device *dev, unsigned int new_real_tx) { - struct Qdisc *qdisc = dev->qdisc; + struct Qdisc *qdisc = rtnl_dereference(dev->qdisc);

if (qdisc->ops->change_real_num_tx) qdisc->ops->change_real_num_tx(qdisc, new_real_tx); @@ -1373,7 +1376,7 @@ static void dev_init_scheduler_queue(struct net_device *dev,

void dev_init_scheduler(struct net_device *dev) { - dev->qdisc = &noop_qdisc; + rcu_assign_pointer(dev->qdisc, &noop_qdisc); netdev_for_each_tx_queue(dev, dev_init_scheduler_queue, &noop_qdisc); if (dev_ingress_queue(dev)) dev_init_scheduler_queue(dev, dev_ingress_queue(dev), &noop_qdisc); @@ -1401,8 +1404,8 @@ void dev_shutdown(struct net_device *dev) netdev_for_each_tx_queue(dev, shutdown_scheduler_queue, &noop_qdisc); if (dev_ingress_queue(dev)) shutdown_scheduler_queue(dev, dev_ingress_queue(dev), &noop_qdisc); - qdisc_put(dev->qdisc); - dev->qdisc = &noop_qdisc; + qdisc_put(rtnl_dereference(dev->qdisc)); + rcu_assign_pointer(dev->qdisc, &noop_qdisc);

WARN_ON(timer_pending(&dev->watchdog_timer)); } diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c index 96dee4a62385..eff22065e197 100644 --- a/net/smc/af_smc.c +++ b/net/smc/af_smc.c @@ -649,14 +649,17 @@ static void smc_fback_error_report(struct sock *clcsk) static int smc_switch_to_fallback(struct smc_sock *smc, int reason_code) { struct sock *clcsk; + int rc = 0;

mutex_lock(&smc->clcsock_release_lock); if (!smc->clcsock) { - mutex_unlock(&smc->clcsock_release_lock); - return -EBADF; + rc = -EBADF; + goto out; } clcsk = smc->clcsock->sk;

+ if (smc->use_fallback) + goto out; smc->use_fallback = true; smc->fallback_rsn = reason_code; smc_stat_fallback(smc); @@ -683,8 +686,9 @@ static int smc_switch_to_fallback(struct smc_sock *smc, int reason_code) smc->clcsock->sk->sk_user_data = (void *)((uintptr_t)smc | SK_USER_DATA_NOCOPY); } +out: mutex_unlock(&smc->clcsock_release_lock); - return 0; + return rc; }

/* fall back during connect */ diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index aaec3c9be8db..1295f9ab839f 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -438,6 +438,7 @@ static int rpcrdma_ep_create(struct rpcrdma_xprt *r_xprt) IB_POLL_WORKQUEUE); if (IS_ERR(ep->re_attr.send_cq)) { rc = PTR_ERR(ep->re_attr.send_cq); + ep->re_attr.send_cq = NULL; goto out_destroy; }

@@ -446,6 +447,7 @@ static int rpcrdma_ep_create(struct rpcrdma_xprt *r_xprt) IB_POLL_WORKQUEUE); if (IS_ERR(ep->re_attr.recv_cq)) { rc = PTR_ERR(ep->re_attr.recv_cq); + ep->re_attr.recv_cq = NULL; goto out_destroy; } ep->re_receive_count = 0; @@ -484,6 +486,7 @@ static int rpcrdma_ep_create(struct rpcrdma_xprt *r_xprt) ep->re_pd = ib_alloc_pd(device, 0); if (IS_ERR(ep->re_pd)) { rc = PTR_ERR(ep->re_pd); + ep->re_pd = NULL; goto out_destroy; }

diff --git a/net/tipc/node.c b/net/tipc/node.c index 9947b7dfe1d2..6ef95ce565bd 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -403,7 +403,7 @@ static void tipc_node_write_unlock(struct tipc_node *n) u32 flags = n->action_flags; struct list_head *publ_list; struct tipc_uaddr ua; - u32 bearer_id; + u32 bearer_id, node;

if (likely(!flags)) { write_unlock_bh(&n->lock); @@ -413,7 +413,8 @@ static void tipc_node_write_unlock(struct tipc_node *n) tipc_uaddr(&ua, TIPC_SERVICE_RANGE, TIPC_NODE_SCOPE, TIPC_LINK_STATE, n->addr, n->addr); sk.ref = n->link_id; - sk.node = n->addr; + sk.node = tipc_own_addr(net); + node = n->addr; bearer_id = n->link_id & 0xffff; publ_list = &n->publ_list;

@@ -423,17 +424,17 @@ static void tipc_node_write_unlock(struct tipc_node *n) write_unlock_bh(&n->lock);

if (flags & TIPC_NOTIFY_NODE_DOWN) - tipc_publ_notify(net, publ_list, sk.node, n->capabilities); + tipc_publ_notify(net, publ_list, node, n->capabilities);

if (flags & TIPC_NOTIFY_NODE_UP) - tipc_named_node_up(net, sk.node, n->capabilities); + tipc_named_node_up(net, node, n->capabilities);

if (flags & TIPC_NOTIFY_LINK_UP) { - tipc_mon_peer_up(net, sk.node, bearer_id); + tipc_mon_peer_up(net, node, bearer_id); tipc_nametbl_publish(net, &ua, &sk, sk.ref); } if (flags & TIPC_NOTIFY_LINK_DOWN) { - tipc_mon_peer_down(net, sk.node, bearer_id); + tipc_mon_peer_down(net, node, bearer_id); tipc_nametbl_withdraw(net, &ua, &sk, sk.ref); } } diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index fa8c1b623fa2..91a5c65707ba 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -1400,6 +1400,7 @@ static int vsock_connect(struct socket *sock, struct sockaddr *addr, sk->sk_state = sk->sk_state == TCP_ESTABLISHED ? TCP_CLOSING : TCP_CLOSE; sock->state = SS_UNCONNECTED; vsock_transport_cancel_pkt(vsk); + vsock_remove_connected(vsk); goto out_wait; } else if (timeout == 0) { err = -ETIMEDOUT; diff --git a/net/wireless/core.c b/net/wireless/core.c index eb297e1015e0..441136646f89 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -5,7 +5,7 @@ * Copyright 2006-2010 Johannes Berg johannes@sipsolutions.net * Copyright 2013-2014 Intel Mobile Communications GmbH * Copyright 2015-2017 Intel Deutschland GmbH - * Copyright (C) 2018-2021 Intel Corporation + * Copyright (C) 2018-2022 Intel Corporation */

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -332,29 +332,20 @@ static void cfg80211_event_work(struct work_struct *work) void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev) { struct wireless_dev *wdev, *tmp; - bool found = false;

ASSERT_RTNL();

- list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { + list_for_each_entry_safe(wdev, tmp, &rdev->wiphy.wdev_list, list) { if (wdev->nl_owner_dead) { if (wdev->netdev) dev_close(wdev->netdev); - found = true; - } - } - - if (!found) - return;

- wiphy_lock(&rdev->wiphy); - list_for_each_entry_safe(wdev, tmp, &rdev->wiphy.wdev_list, list) { - if (wdev->nl_owner_dead) { + wiphy_lock(&rdev->wiphy); cfg80211_leave(rdev, wdev); rdev_del_virtual_intf(rdev, wdev); + wiphy_unlock(&rdev->wiphy); } } - wiphy_unlock(&rdev->wiphy); }

static void cfg80211_destroy_iface_wk(struct work_struct *work) diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index cf72680cd769..4a828bca071e 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -983,14 +983,19 @@ static int conf_write_dep(const char *name)

static int conf_touch_deps(void) { - const char *name; + const char *name, *tmp; struct symbol *sym; int res, i;

- strcpy(depfile_path, "include/config/"); - depfile_prefix_len = strlen(depfile_path); - name = conf_get_autoconfig_name(); + tmp = strrchr(name, '/'); + depfile_prefix_len = tmp ? tmp - name + 1 : 0; + if (depfile_prefix_len + 1 > sizeof(depfile_path)) + return -1; + + strncpy(depfile_path, name, depfile_prefix_len); + depfile_path[depfile_prefix_len] = 0; + conf_read_simple(name, S_DEF_AUTO); sym_calc_value(modules_sym);

diff --git a/scripts/kconfig/preprocess.c b/scripts/kconfig/preprocess.c index 0590f86df6e4..748da578b418 100644 --- a/scripts/kconfig/preprocess.c +++ b/scripts/kconfig/preprocess.c @@ -141,7 +141,7 @@ static char *do_lineno(int argc, char *argv[]) static char *do_shell(int argc, char *argv[]) { FILE *p; - char buf[256]; + char buf[4096]; char *cmd; size_t nread; int i; diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 21fec82489bd..9e36f992605a 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1611,6 +1611,7 @@ static const struct snd_pci_quirk probe_mask_list[] = { /* forced codec slots */ SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103), SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103), + SND_PCI_QUIRK(0x1558, 0x0351, "Schenker Dock 15", 0x105), /* WinFast VP200 H (Teradici) user reported broken communication */ SND_PCI_QUIRK(0x3a21, 0x040d, "WinFast VP200 H", 0x101), {} @@ -1794,8 +1795,6 @@ static int azx_create(struct snd_card *card, struct pci_dev *pci,

assign_position_fix(chip, check_position_fix(chip, position_fix[dev]));

- check_probe_mask(chip, dev); - if (single_cmd < 0) /* allow fallback to single_cmd at errors */ chip->fallback_to_single_cmd = 1; else /* explicitly set to single_cmd or not */ @@ -1821,6 +1820,8 @@ static int azx_create(struct snd_card *card, struct pci_dev *pci, chip->bus.core.needs_damn_long_delay = 1; }

+ check_probe_mask(chip, dev); + err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); if (err < 0) { dev_err(card->dev, "Error creating device [card]!\n"); diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 18f04137f61c..83b56c1ba399 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -133,6 +133,22 @@ struct alc_spec { * COEF access helper functions */

+static void coef_mutex_lock(struct hda_codec *codec) +{ + struct alc_spec *spec = codec->spec; + + snd_hda_power_up_pm(codec); + mutex_lock(&spec->coef_mutex); +} + +static void coef_mutex_unlock(struct hda_codec *codec) +{ + struct alc_spec *spec = codec->spec; + + mutex_unlock(&spec->coef_mutex); + snd_hda_power_down_pm(codec); +} + static int __alc_read_coefex_idx(struct hda_codec *codec, hda_nid_t nid, unsigned int coef_idx) { @@ -146,12 +162,11 @@ static int __alc_read_coefex_idx(struct hda_codec *codec, hda_nid_t nid, static int alc_read_coefex_idx(struct hda_codec *codec, hda_nid_t nid, unsigned int coef_idx) { - struct alc_spec *spec = codec->spec; unsigned int val;

- mutex_lock(&spec->coef_mutex); + coef_mutex_lock(codec); val = __alc_read_coefex_idx(codec, nid, coef_idx); - mutex_unlock(&spec->coef_mutex); + coef_mutex_unlock(codec); return val; }

@@ -168,11 +183,9 @@ static void __alc_write_coefex_idx(struct hda_codec *codec, hda_nid_t nid, static void alc_write_coefex_idx(struct hda_codec *codec, hda_nid_t nid, unsigned int coef_idx, unsigned int coef_val) { - struct alc_spec *spec = codec->spec; - - mutex_lock(&spec->coef_mutex); + coef_mutex_lock(codec); __alc_write_coefex_idx(codec, nid, coef_idx, coef_val); - mutex_unlock(&spec->coef_mutex); + coef_mutex_unlock(codec); }

#define alc_write_coef_idx(codec, coef_idx, coef_val) \ @@ -193,11 +206,9 @@ static void alc_update_coefex_idx(struct hda_codec *codec, hda_nid_t nid, unsigned int coef_idx, unsigned int mask, unsigned int bits_set) { - struct alc_spec *spec = codec->spec; - - mutex_lock(&spec->coef_mutex); + coef_mutex_lock(codec); __alc_update_coefex_idx(codec, nid, coef_idx, mask, bits_set); - mutex_unlock(&spec->coef_mutex); + coef_mutex_unlock(codec); }

#define alc_update_coef_idx(codec, coef_idx, mask, bits_set) \ @@ -230,9 +241,7 @@ struct coef_fw { static void alc_process_coef_fw(struct hda_codec *codec, const struct coef_fw *fw) { - struct alc_spec *spec = codec->spec; - - mutex_lock(&spec->coef_mutex); + coef_mutex_lock(codec); for (; fw->nid; fw++) { if (fw->mask == (unsigned short)-1) __alc_write_coefex_idx(codec, fw->nid, fw->idx, fw->val); @@ -240,7 +249,7 @@ static void alc_process_coef_fw(struct hda_codec *codec, __alc_update_coefex_idx(codec, fw->nid, fw->idx, fw->mask, fw->val); } - mutex_unlock(&spec->coef_mutex); + coef_mutex_unlock(codec); }

/* @@ -9013,6 +9022,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x3824, "Legion Y9000X 2020", ALC285_FIXUP_LEGION_Y9000X_SPEAKERS), SND_PCI_QUIRK(0x17aa, 0x3827, "Ideapad S740", ALC285_FIXUP_IDEAPAD_S740_COEF), SND_PCI_QUIRK(0x17aa, 0x3834, "Lenovo IdeaPad Slim 9i 14ITL5", ALC287_FIXUP_YOGA7_14ITL_SPEAKERS), + SND_PCI_QUIRK(0x17aa, 0x383d, "Legion Y9000X 2019", ALC285_FIXUP_LEGION_Y9000X_SPEAKERS), SND_PCI_QUIRK(0x17aa, 0x3843, "Yoga 9i", ALC287_FIXUP_IDEAPAD_BASS_SPK_AMP), SND_PCI_QUIRK(0x17aa, 0x384a, "Lenovo Yoga 7 15ITL5", ALC287_FIXUP_YOGA7_14ITL_SPEAKERS), SND_PCI_QUIRK(0x17aa, 0x3852, "Lenovo Yoga 7 14ITL5", ALC287_FIXUP_YOGA7_14ITL_SPEAKERS), diff --git a/sound/soc/codecs/tas2770.c b/sound/soc/codecs/tas2770.c index 6549e7fef3e3..c5ea3b115966 100644 --- a/sound/soc/codecs/tas2770.c +++ b/sound/soc/codecs/tas2770.c @@ -38,10 +38,12 @@ static void tas2770_reset(struct tas2770_priv *tas2770) gpiod_set_value_cansleep(tas2770->reset_gpio, 0); msleep(20); gpiod_set_value_cansleep(tas2770->reset_gpio, 1); + usleep_range(1000, 2000); }

snd_soc_component_write(tas2770->component, TAS2770_SW_RST, TAS2770_RST); + usleep_range(1000, 2000); }

static int tas2770_set_bias_level(struct snd_soc_component *component, @@ -110,6 +112,7 @@ static int tas2770_codec_resume(struct snd_soc_component *component)

if (tas2770->sdz_gpio) { gpiod_set_value_cansleep(tas2770->sdz_gpio, 1); + usleep_range(1000, 2000); } else { ret = snd_soc_component_update_bits(component, TAS2770_PWR_CTRL, TAS2770_PWR_CTRL_MASK, @@ -510,8 +513,10 @@ static int tas2770_codec_probe(struct snd_soc_component *component)

tas2770->component = component;

- if (tas2770->sdz_gpio) + if (tas2770->sdz_gpio) { gpiod_set_value_cansleep(tas2770->sdz_gpio, 1); + usleep_range(1000, 2000); + }

tas2770_reset(tas2770);

diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c index a59e9d20cb46..4b1773c1fb95 100644 --- a/sound/soc/qcom/lpass-platform.c +++ b/sound/soc/qcom/lpass-platform.c @@ -524,7 +524,7 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component, return -EINVAL; }

- ret = regmap_update_bits(map, reg_irqclr, val_irqclr, val_irqclr); + ret = regmap_write_bits(map, reg_irqclr, val_irqclr, val_irqclr); if (ret) { dev_err(soc_runtime->dev, "error writing to irqclear reg: %d\n", ret); return ret; @@ -665,7 +665,7 @@ static irqreturn_t lpass_dma_interrupt_handler( return -EINVAL; } if (interrupts & LPAIF_IRQ_PER(chan)) { - rv = regmap_update_bits(map, reg, mask, (LPAIF_IRQ_PER(chan) | val)); + rv = regmap_write_bits(map, reg, mask, (LPAIF_IRQ_PER(chan) | val)); if (rv) { dev_err(soc_runtime->dev, "error writing to irqclear reg: %d\n", rv); @@ -676,7 +676,7 @@ static irqreturn_t lpass_dma_interrupt_handler( }

if (interrupts & LPAIF_IRQ_XRUN(chan)) { - rv = regmap_update_bits(map, reg, mask, (LPAIF_IRQ_XRUN(chan) | val)); + rv = regmap_write_bits(map, reg, mask, (LPAIF_IRQ_XRUN(chan) | val)); if (rv) { dev_err(soc_runtime->dev, "error writing to irqclear reg: %d\n", rv); @@ -688,7 +688,7 @@ static irqreturn_t lpass_dma_interrupt_handler( }

if (interrupts & LPAIF_IRQ_ERR(chan)) { - rv = regmap_update_bits(map, reg, mask, (LPAIF_IRQ_ERR(chan) | val)); + rv = regmap_write_bits(map, reg, mask, (LPAIF_IRQ_ERR(chan) | val)); if (rv) { dev_err(soc_runtime->dev, "error writing to irqclear reg: %d\n", rv); diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c index dc0e7c8d31f3..53457a0d466d 100644 --- a/sound/soc/soc-ops.c +++ b/sound/soc/soc-ops.c @@ -308,7 +308,7 @@ int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, unsigned int sign_bit = mc->sign_bit; unsigned int mask = (1 << fls(max)) - 1; unsigned int invert = mc->invert; - int err; + int err, ret; bool type_2r = false; unsigned int val2 = 0; unsigned int val, val_mask; @@ -350,12 +350,18 @@ int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, err = snd_soc_component_update_bits(component, reg, val_mask, val); if (err < 0) return err; + ret = err;

- if (type_2r) + if (type_2r) { err = snd_soc_component_update_bits(component, reg2, val_mask, - val2); + val2); + /* Don't discard any error code or drop change flag */ + if (ret == 0 || err < 0) { + ret = err; + } + }

- return err; + return ret; } EXPORT_SYMBOL_GPL(snd_soc_put_volsw);

@@ -421,6 +427,7 @@ int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, int min = mc->min; unsigned int mask = (1U << (fls(min + max) - 1)) - 1; int err = 0; + int ret; unsigned int val, val_mask;

val = ucontrol->value.integer.value[0]; @@ -437,6 +444,7 @@ int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, err = snd_soc_component_update_bits(component, reg, val_mask, val); if (err < 0) return err; + ret = err;

if (snd_soc_volsw_is_stereo(mc)) { unsigned int val2; @@ -447,6 +455,11 @@ int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,

err = snd_soc_component_update_bits(component, reg2, val_mask, val2); + + /* Don't discard any error code or drop change flag */ + if (ret == 0 || err < 0) { + ret = err; + } } return err; } @@ -506,7 +519,7 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, unsigned int mask = (1 << fls(max)) - 1; unsigned int invert = mc->invert; unsigned int val, val_mask; - int ret; + int err, ret;

if (invert) val = (max - ucontrol->value.integer.value[0]) & mask; @@ -515,9 +528,10 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, val_mask = mask << shift; val = val << shift;

- ret = snd_soc_component_update_bits(component, reg, val_mask, val); - if (ret < 0) - return ret; + err = snd_soc_component_update_bits(component, reg, val_mask, val); + if (err < 0) + return err; + ret = err;

if (snd_soc_volsw_is_stereo(mc)) { if (invert) @@ -527,8 +541,12 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, val_mask = mask << shift; val = val << shift;

- ret = snd_soc_component_update_bits(component, rreg, val_mask, + err = snd_soc_component_update_bits(component, rreg, val_mask, val); + /* Don't discard any error code or drop change flag */ + if (ret == 0 || err < 0) { + ret = err; + } }

return ret; @@ -877,6 +895,7 @@ int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, unsigned long mask = (1UL<<mc->nbits)-1; long max = mc->max; long val = ucontrol->value.integer.value[0]; + int ret = 0; unsigned int i;

if (val < mc->min || val > mc->max) @@ -891,9 +910,11 @@ int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, regmask, regval); if (err < 0) return err; + if (err > 0) + ret = err; }

- return 0; + return ret; } EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx);

diff --git a/sound/usb/implicit.c b/sound/usb/implicit.c index 70319c822c10..2d444ec74202 100644 --- a/sound/usb/implicit.c +++ b/sound/usb/implicit.c @@ -47,13 +47,13 @@ struct snd_usb_implicit_fb_match { static const struct snd_usb_implicit_fb_match playback_implicit_fb_quirks[] = { /* Generic matching */ IMPLICIT_FB_GENERIC_DEV(0x0499, 0x1509), /* Steinberg UR22 */ - IMPLICIT_FB_GENERIC_DEV(0x0763, 0x2080), /* M-Audio FastTrack Ultra */ - IMPLICIT_FB_GENERIC_DEV(0x0763, 0x2081), /* M-Audio FastTrack Ultra */ IMPLICIT_FB_GENERIC_DEV(0x0763, 0x2030), /* M-Audio Fast Track C400 */ IMPLICIT_FB_GENERIC_DEV(0x0763, 0x2031), /* M-Audio Fast Track C600 */

/* Fixed EP */ /* FIXME: check the availability of generic matching */ + IMPLICIT_FB_FIXED_DEV(0x0763, 0x2080, 0x81, 2), /* M-Audio FastTrack Ultra */ + IMPLICIT_FB_FIXED_DEV(0x0763, 0x2081, 0x81, 2), /* M-Audio FastTrack Ultra */ IMPLICIT_FB_FIXED_DEV(0x2466, 0x8010, 0x81, 2), /* Fractal Audio Axe-Fx III */ IMPLICIT_FB_FIXED_DEV(0x31e9, 0x0001, 0x81, 2), /* Solid State Logic SSL2 */ IMPLICIT_FB_FIXED_DEV(0x31e9, 0x0002, 0x81, 2), /* Solid State Logic SSL2+ */ diff --git a/tools/lib/subcmd/subcmd-util.h b/tools/lib/subcmd/subcmd-util.h index 794a375dad36..b2aec04fce8f 100644 --- a/tools/lib/subcmd/subcmd-util.h +++ b/tools/lib/subcmd/subcmd-util.h @@ -50,15 +50,8 @@ static NORETURN inline void die(const char *err, ...) static inline void *xrealloc(void *ptr, size_t size) { void *ret = realloc(ptr, size); - if (!ret && !size) - ret = realloc(ptr, 1); - if (!ret) { - ret = realloc(ptr, size); - if (!ret && !size) - ret = realloc(ptr, 1); - if (!ret) - die("Out of memory, realloc failed"); - } + if (!ret) + die("Out of memory, realloc failed"); return ret; }

diff --git a/tools/perf/util/bpf-loader.c b/tools/perf/util/bpf-loader.c index fbb3c4057c30..71710a1da447 100644 --- a/tools/perf/util/bpf-loader.c +++ b/tools/perf/util/bpf-loader.c @@ -1214,9 +1214,10 @@ bpf__obj_config_map(struct bpf_object *obj, pr_debug("ERROR: Invalid map config option '%s'\n", map_opt); err = -BPF_LOADER_ERRNO__OBJCONF_MAP_OPT; out: - free(map_name); if (!err) *key_scan_pos += strlen(map_opt); + + free(map_name); return err; }

diff --git a/tools/testing/kunit/kunit_kernel.py b/tools/testing/kunit/kunit_kernel.py index 2c6f916ccbaf..0874e512d109 100644 --- a/tools/testing/kunit/kunit_kernel.py +++ b/tools/testing/kunit/kunit_kernel.py @@ -6,6 +6,7 @@ # Author: Felix Guo felixguoxiuping@gmail.com # Author: Brendan Higgins brendanhiggins@google.com

+import importlib.abc import importlib.util import logging import subprocess diff --git a/tools/testing/selftests/clone3/clone3.c b/tools/testing/selftests/clone3/clone3.c index 076cf4325f78..cd4582129c7d 100644 --- a/tools/testing/selftests/clone3/clone3.c +++ b/tools/testing/selftests/clone3/clone3.c @@ -126,8 +126,6 @@ static void test_clone3(uint64_t flags, size_t size, int expected,

int main(int argc, char *argv[]) { - pid_t pid; - uid_t uid = getuid();

ksft_print_header(); diff --git a/tools/testing/selftests/exec/Makefile b/tools/testing/selftests/exec/Makefile index 12c5e27d32c1..2d7fca446c7f 100644 --- a/tools/testing/selftests/exec/Makefile +++ b/tools/testing/selftests/exec/Makefile @@ -3,8 +3,8 @@ CFLAGS = -Wall CFLAGS += -Wno-nonnull CFLAGS += -D_GNU_SOURCE

-TEST_PROGS := binfmt_script non-regular -TEST_GEN_PROGS := execveat load_address_4096 load_address_2097152 load_address_16777216 +TEST_PROGS := binfmt_script +TEST_GEN_PROGS := execveat load_address_4096 load_address_2097152 load_address_16777216 non-regular TEST_GEN_FILES := execveat.symlink execveat.denatured script subdir # Makefile is a run-time dependency, since it's accessed by the execveat test TEST_FILES := Makefile diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h index 79a182cfa43a..78e59620d28d 100644 --- a/tools/testing/selftests/kselftest_harness.h +++ b/tools/testing/selftests/kselftest_harness.h @@ -875,7 +875,8 @@ static void __timeout_handler(int sig, siginfo_t *info, void *ucontext) }

t->timed_out = true; - kill(t->pid, SIGKILL); + // signal process group + kill(-(t->pid), SIGKILL); }

void __wait_for_test(struct __test_metadata *t) @@ -985,6 +986,7 @@ void __run_test(struct __fixture_metadata *f, ksft_print_msg("ERROR SPAWNING TEST CHILD\n"); t->passed = 0; } else if (t->pid == 0) { + setpgrp(); t->fn(t, variant); if (t->skip) _exit(255); diff --git a/tools/testing/selftests/mincore/mincore_selftest.c b/tools/testing/selftests/mincore/mincore_selftest.c index e54106643337..4c88238fc8f0 100644 --- a/tools/testing/selftests/mincore/mincore_selftest.c +++ b/tools/testing/selftests/mincore/mincore_selftest.c @@ -207,15 +207,21 @@ TEST(check_file_mmap)

errno = 0; fd = open(".", O_TMPFILE | O_RDWR, 0600); - ASSERT_NE(-1, fd) { - TH_LOG("Can't create temporary file: %s", - strerror(errno)); + if (fd < 0) { + ASSERT_EQ(errno, EOPNOTSUPP) { + TH_LOG("Can't create temporary file: %s", + strerror(errno)); + } + SKIP(goto out_free, "O_TMPFILE not supported by filesystem."); } errno = 0; retval = fallocate(fd, 0, 0, FILE_SIZE); - ASSERT_EQ(0, retval) { - TH_LOG("Error allocating space for the temporary file: %s", - strerror(errno)); + if (retval) { + ASSERT_EQ(errno, EOPNOTSUPP) { + TH_LOG("Error allocating space for the temporary file: %s", + strerror(errno)); + } + SKIP(goto out_close, "fallocate not supported by filesystem."); }

/* @@ -271,7 +277,9 @@ TEST(check_file_mmap) }

munmap(addr, FILE_SIZE); +out_close: close(fd); +out_free: free(vec); }

diff --git a/tools/testing/selftests/mount_setattr/mount_setattr_test.c b/tools/testing/selftests/mount_setattr/mount_setattr_test.c index f31205f04ee0..8c5fea68ae67 100644 --- a/tools/testing/selftests/mount_setattr/mount_setattr_test.c +++ b/tools/testing/selftests/mount_setattr/mount_setattr_test.c @@ -1236,7 +1236,7 @@ static int get_userns_fd(unsigned long nsid, unsigned long hostid, unsigned long }

/** - * Validate that an attached mount in our mount namespace can be idmapped. + * Validate that an attached mount in our mount namespace cannot be idmapped. * (The kernel enforces that the mount's mount namespace and the caller's mount * namespace match.) */ @@ -1259,7 +1259,7 @@ TEST_F(mount_setattr_idmapped, attached_mount_inside_current_mount_namespace)

attr.userns_fd = get_userns_fd(0, 10000, 10000); ASSERT_GE(attr.userns_fd, 0); - ASSERT_EQ(sys_mount_setattr(open_tree_fd, "", AT_EMPTY_PATH, &attr, sizeof(attr)), 0); + ASSERT_NE(sys_mount_setattr(open_tree_fd, "", AT_EMPTY_PATH, &attr, sizeof(attr)), 0); ASSERT_EQ(close(attr.userns_fd), 0); ASSERT_EQ(close(open_tree_fd), 0); } diff --git a/tools/testing/selftests/netfilter/nft_concat_range.sh b/tools/testing/selftests/netfilter/nft_concat_range.sh index 9313fa32bef1..b5eef5ffb58e 100755 --- a/tools/testing/selftests/netfilter/nft_concat_range.sh +++ b/tools/testing/selftests/netfilter/nft_concat_range.sh @@ -1583,4 +1583,4 @@ for name in ${TESTS}; do done done

-[ ${passed} -eq 0 ] && exit ${KSELFTEST_SKIP} +[ ${passed} -eq 0 ] && exit ${KSELFTEST_SKIP} || exit 0 diff --git a/tools/testing/selftests/netfilter/nft_fib.sh b/tools/testing/selftests/netfilter/nft_fib.sh index 6caf6ac8c285..695a1958723f 100755 --- a/tools/testing/selftests/netfilter/nft_fib.sh +++ b/tools/testing/selftests/netfilter/nft_fib.sh @@ -174,6 +174,7 @@ test_ping() { ip netns exec ${nsrouter} sysctl net.ipv6.conf.all.forwarding=1 > /dev/null ip netns exec ${nsrouter} sysctl net.ipv4.conf.veth0.forwarding=1 > /dev/null ip netns exec ${nsrouter} sysctl net.ipv4.conf.veth1.forwarding=1 > /dev/null +ip netns exec ${nsrouter} sysctl net.ipv4.conf.veth0.rp_filter=0 > /dev/null

sleep 3

diff --git a/tools/testing/selftests/openat2/Makefile b/tools/testing/selftests/openat2/Makefile index 4b93b1417b86..843ba56d8e49 100644 --- a/tools/testing/selftests/openat2/Makefile +++ b/tools/testing/selftests/openat2/Makefile @@ -5,4 +5,4 @@ TEST_GEN_PROGS := openat2_test resolve_test rename_attack_test

include ../lib.mk

-$(TEST_GEN_PROGS): helpers.c +$(TEST_GEN_PROGS): helpers.c helpers.h diff --git a/tools/testing/selftests/openat2/helpers.h b/tools/testing/selftests/openat2/helpers.h index a6ea27344db2..7056340b9339 100644 --- a/tools/testing/selftests/openat2/helpers.h +++ b/tools/testing/selftests/openat2/helpers.h @@ -9,6 +9,7 @@

#define _GNU_SOURCE #include <stdint.h> +#include <stdbool.h> #include <errno.h> #include <linux/types.h> #include "../kselftest.h" @@ -62,11 +63,12 @@ bool needs_openat2(const struct open_how *how); (similar to chroot(2)). */ #endif /* RESOLVE_IN_ROOT */

-#define E_func(func, ...) \ - do { \ - if (func(__VA_ARGS__) < 0) \ - ksft_exit_fail_msg("%s:%d %s failed\n", \ - __FILE__, __LINE__, #func);\ +#define E_func(func, ...) \ + do { \ + errno = 0; \ + if (func(__VA_ARGS__) < 0) \ + ksft_exit_fail_msg("%s:%d %s failed - errno:%d\n", \ + __FILE__, __LINE__, #func, errno); \ } while (0)

#define E_asprintf(...) E_func(asprintf, __VA_ARGS__) diff --git a/tools/testing/selftests/openat2/openat2_test.c b/tools/testing/selftests/openat2/openat2_test.c index 1bddbe934204..7fb902099de4 100644 --- a/tools/testing/selftests/openat2/openat2_test.c +++ b/tools/testing/selftests/openat2/openat2_test.c @@ -259,6 +259,16 @@ void test_openat2_flags(void) unlink(path);

fd = sys_openat2(AT_FDCWD, path, &test->how); + if (fd < 0 && fd == -EOPNOTSUPP) { + /* + * Skip the testcase if it failed because not supported + * by FS. (e.g. a valid O_TMPFILE combination on NFS) + */ + ksft_test_result_skip("openat2 with %s fails with %d (%s)\n", + test->name, fd, strerror(-fd)); + goto next; + } + if (test->err >= 0) failed = (fd < 0); else @@ -303,7 +313,7 @@ void test_openat2_flags(void) else resultfn("openat2 with %s fails with %d (%s)\n", test->name, test->err, strerror(-test->err)); - +next: free(fdpath); fflush(stdout); } diff --git a/tools/testing/selftests/pidfd/pidfd.h b/tools/testing/selftests/pidfd/pidfd.h index 01f8d3c0cf2c..6922d6417e1c 100644 --- a/tools/testing/selftests/pidfd/pidfd.h +++ b/tools/testing/selftests/pidfd/pidfd.h @@ -68,7 +68,7 @@ #define PIDFD_SKIP 3 #define PIDFD_XFAIL 4

-int wait_for_pid(pid_t pid) +static inline int wait_for_pid(pid_t pid) { int status, ret;

@@ -78,13 +78,20 @@ int wait_for_pid(pid_t pid) if (errno == EINTR) goto again;

+ ksft_print_msg("waitpid returned -1, errno=%d\n", errno); return -1; }

- if (!WIFEXITED(status)) + if (!WIFEXITED(status)) { + ksft_print_msg( + "waitpid !WIFEXITED, WIFSIGNALED=%d, WTERMSIG=%d\n", + WIFSIGNALED(status), WTERMSIG(status)); return -1; + }

- return WEXITSTATUS(status); + ret = WEXITSTATUS(status); + ksft_print_msg("waitpid WEXITSTATUS=%d\n", ret); + return ret; }

static inline int sys_pidfd_open(pid_t pid, unsigned int flags) diff --git a/tools/testing/selftests/pidfd/pidfd_fdinfo_test.c b/tools/testing/selftests/pidfd/pidfd_fdinfo_test.c index 22558524f71c..3fd8e903118f 100644 --- a/tools/testing/selftests/pidfd/pidfd_fdinfo_test.c +++ b/tools/testing/selftests/pidfd/pidfd_fdinfo_test.c @@ -12,6 +12,7 @@ #include <string.h> #include <syscall.h> #include <sys/wait.h> +#include <sys/mman.h>

#include "pidfd.h" #include "../kselftest.h" @@ -80,7 +81,10 @@ static inline int error_check(struct error *err, const char *test_name) return err->code; }

+#define CHILD_STACK_SIZE 8192 + struct child { + char *stack; pid_t pid; int fd; }; @@ -89,17 +93,22 @@ static struct child clone_newns(int (*fn)(void *), void *args, struct error *err) { static int flags = CLONE_PIDFD | CLONE_NEWPID | CLONE_NEWNS | SIGCHLD; - size_t stack_size = 1024; - char *stack[1024] = { 0 }; struct child ret;

if (!(flags & CLONE_NEWUSER) && geteuid() != 0) flags |= CLONE_NEWUSER;

+ ret.stack = mmap(NULL, CHILD_STACK_SIZE, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANONYMOUS | MAP_STACK, -1, 0); + if (ret.stack == MAP_FAILED) { + error_set(err, -1, "mmap of stack failed (errno %d)", errno); + return ret; + } + #ifdef __ia64__ - ret.pid = __clone2(fn, stack, stack_size, flags, args, &ret.fd); + ret.pid = __clone2(fn, ret.stack, CHILD_STACK_SIZE, flags, args, &ret.fd); #else - ret.pid = clone(fn, stack + stack_size, flags, args, &ret.fd); + ret.pid = clone(fn, ret.stack + CHILD_STACK_SIZE, flags, args, &ret.fd); #endif

if (ret.pid < 0) { @@ -129,6 +138,11 @@ static inline int child_join(struct child *child, struct error *err) else if (r > 0) error_set(err, r, "child %d reported: %d", child->pid, r);

+ if (munmap(child->stack, CHILD_STACK_SIZE)) { + error_set(err, -1, "munmap of child stack failed (errno %d)", errno); + r = -1; + } + return r; }

diff --git a/tools/testing/selftests/pidfd/pidfd_test.c b/tools/testing/selftests/pidfd/pidfd_test.c index 529eb700ac26..9a2d64901d59 100644 --- a/tools/testing/selftests/pidfd/pidfd_test.c +++ b/tools/testing/selftests/pidfd/pidfd_test.c @@ -441,7 +441,6 @@ static void test_pidfd_poll_exec(int use_waitpid) { int pid, pidfd = 0; int status, ret; - pthread_t t1; time_t prog_start = time(NULL); const char *test_name = "pidfd_poll check for premature notification on child thread exec";

@@ -500,13 +499,14 @@ static int child_poll_leader_exit_test(void *args) */ *child_exit_secs = time(NULL); syscall(SYS_exit, 0); + /* Never reached, but appeases compiler thinking we should return. */ + exit(0); }

static void test_pidfd_poll_leader_exit(int use_waitpid) { int pid, pidfd = 0; - int status, ret; - time_t prog_start = time(NULL); + int status, ret = 0; const char *test_name = "pidfd_poll check for premature notification on non-empty" "group leader exit";

diff --git a/tools/testing/selftests/pidfd/pidfd_wait.c b/tools/testing/selftests/pidfd/pidfd_wait.c index be2943f072f6..17999e082aa7 100644 --- a/tools/testing/selftests/pidfd/pidfd_wait.c +++ b/tools/testing/selftests/pidfd/pidfd_wait.c @@ -39,7 +39,7 @@ static int sys_waitid(int which, pid_t pid, siginfo_t *info, int options,

TEST(wait_simple) { - int pidfd = -1, status = 0; + int pidfd = -1; pid_t parent_tid = -1; struct clone_args args = { .parent_tid = ptr_to_u64(&parent_tid), @@ -47,7 +47,6 @@ TEST(wait_simple) .flags = CLONE_PIDFD | CLONE_PARENT_SETTID, .exit_signal = SIGCHLD, }; - int ret; pid_t pid; siginfo_t info = { .si_signo = 0, @@ -88,7 +87,7 @@ TEST(wait_simple)

TEST(wait_states) { - int pidfd = -1, status = 0; + int pidfd = -1; pid_t parent_tid = -1; struct clone_args args = { .parent_tid = ptr_to_u64(&parent_tid), diff --git a/tools/testing/selftests/rtc/settings b/tools/testing/selftests/rtc/settings index ba4d85f74cd6..a953c96aa16e 100644 --- a/tools/testing/selftests/rtc/settings +++ b/tools/testing/selftests/rtc/settings @@ -1 +1 @@ -timeout=90 +timeout=180 diff --git a/tools/testing/selftests/vDSO/vdso_test_abi.c b/tools/testing/selftests/vDSO/vdso_test_abi.c index 3d603f1394af..883ca85424bc 100644 --- a/tools/testing/selftests/vDSO/vdso_test_abi.c +++ b/tools/testing/selftests/vDSO/vdso_test_abi.c @@ -33,110 +33,114 @@ typedef long (*vdso_clock_gettime_t)(clockid_t clk_id, struct timespec *ts); typedef long (*vdso_clock_getres_t)(clockid_t clk_id, struct timespec *ts); typedef time_t (*vdso_time_t)(time_t *t);

-static int vdso_test_gettimeofday(void) +#define VDSO_TEST_PASS_MSG() "\n%s(): PASS\n", __func__ +#define VDSO_TEST_FAIL_MSG(x) "\n%s(): %s FAIL\n", __func__, x +#define VDSO_TEST_SKIP_MSG(x) "\n%s(): SKIP: Could not find %s\n", __func__, x + +static void vdso_test_gettimeofday(void) { /* Find gettimeofday. */ vdso_gettimeofday_t vdso_gettimeofday = (vdso_gettimeofday_t)vdso_sym(version, name[0]);

if (!vdso_gettimeofday) { - printf("Could not find %s\n", name[0]); - return KSFT_SKIP; + ksft_test_result_skip(VDSO_TEST_SKIP_MSG(name[0])); + return; }

struct timeval tv; long ret = vdso_gettimeofday(&tv, 0);

if (ret == 0) { - printf("The time is %lld.%06lld\n", - (long long)tv.tv_sec, (long long)tv.tv_usec); + ksft_print_msg("The time is %lld.%06lld\n", + (long long)tv.tv_sec, (long long)tv.tv_usec); + ksft_test_result_pass(VDSO_TEST_PASS_MSG()); } else { - printf("%s failed\n", name[0]); - return KSFT_FAIL; + ksft_test_result_fail(VDSO_TEST_FAIL_MSG(name[0])); } - - return KSFT_PASS; }

-static int vdso_test_clock_gettime(clockid_t clk_id) +static void vdso_test_clock_gettime(clockid_t clk_id) { /* Find clock_gettime. */ vdso_clock_gettime_t vdso_clock_gettime = (vdso_clock_gettime_t)vdso_sym(version, name[1]);

if (!vdso_clock_gettime) { - printf("Could not find %s\n", name[1]); - return KSFT_SKIP; + ksft_test_result_skip(VDSO_TEST_SKIP_MSG(name[1])); + return; }

struct timespec ts; long ret = vdso_clock_gettime(clk_id, &ts);

if (ret == 0) { - printf("The time is %lld.%06lld\n", - (long long)ts.tv_sec, (long long)ts.tv_nsec); + ksft_print_msg("The time is %lld.%06lld\n", + (long long)ts.tv_sec, (long long)ts.tv_nsec); + ksft_test_result_pass(VDSO_TEST_PASS_MSG()); } else { - printf("%s failed\n", name[1]); - return KSFT_FAIL; + ksft_test_result_fail(VDSO_TEST_FAIL_MSG(name[1])); } - - return KSFT_PASS; }

-static int vdso_test_time(void) +static void vdso_test_time(void) { /* Find time. */ vdso_time_t vdso_time = (vdso_time_t)vdso_sym(version, name[2]);

if (!vdso_time) { - printf("Could not find %s\n", name[2]); - return KSFT_SKIP; + ksft_test_result_skip(VDSO_TEST_SKIP_MSG(name[2])); + return; }

long ret = vdso_time(NULL);

if (ret > 0) { - printf("The time in hours since January 1, 1970 is %lld\n", + ksft_print_msg("The time in hours since January 1, 1970 is %lld\n", (long long)(ret / 3600)); + ksft_test_result_pass(VDSO_TEST_PASS_MSG()); } else { - printf("%s failed\n", name[2]); - return KSFT_FAIL; + ksft_test_result_fail(VDSO_TEST_FAIL_MSG(name[2])); } - - return KSFT_PASS; }

-static int vdso_test_clock_getres(clockid_t clk_id) +static void vdso_test_clock_getres(clockid_t clk_id) { + int clock_getres_fail = 0; + /* Find clock_getres. */ vdso_clock_getres_t vdso_clock_getres = (vdso_clock_getres_t)vdso_sym(version, name[3]);

if (!vdso_clock_getres) { - printf("Could not find %s\n", name[3]); - return KSFT_SKIP; + ksft_test_result_skip(VDSO_TEST_SKIP_MSG(name[3])); + return; }

struct timespec ts, sys_ts; long ret = vdso_clock_getres(clk_id, &ts);

if (ret == 0) { - printf("The resolution is %lld %lld\n", - (long long)ts.tv_sec, (long long)ts.tv_nsec); + ksft_print_msg("The vdso resolution is %lld %lld\n", + (long long)ts.tv_sec, (long long)ts.tv_nsec); } else { - printf("%s failed\n", name[3]); - return KSFT_FAIL; + clock_getres_fail++; }

ret = syscall(SYS_clock_getres, clk_id, &sys_ts);

- if ((sys_ts.tv_sec != ts.tv_sec) || (sys_ts.tv_nsec != ts.tv_nsec)) { - printf("%s failed\n", name[3]); - return KSFT_FAIL; - } + ksft_print_msg("The syscall resolution is %lld %lld\n", + (long long)sys_ts.tv_sec, (long long)sys_ts.tv_nsec);

- return KSFT_PASS; + if ((sys_ts.tv_sec != ts.tv_sec) || (sys_ts.tv_nsec != ts.tv_nsec)) + clock_getres_fail++; + + if (clock_getres_fail > 0) { + ksft_test_result_fail(VDSO_TEST_FAIL_MSG(name[3])); + } else { + ksft_test_result_pass(VDSO_TEST_PASS_MSG()); + } }

const char *vdso_clock_name[12] = { @@ -158,36 +162,23 @@ const char *vdso_clock_name[12] = { * This function calls vdso_test_clock_gettime and vdso_test_clock_getres * with different values for clock_id. */ -static inline int vdso_test_clock(clockid_t clock_id) +static inline void vdso_test_clock(clockid_t clock_id) { - int ret0, ret1; - - ret0 = vdso_test_clock_gettime(clock_id); - /* A skipped test is considered passed */ - if (ret0 == KSFT_SKIP) - ret0 = KSFT_PASS; - - ret1 = vdso_test_clock_getres(clock_id); - /* A skipped test is considered passed */ - if (ret1 == KSFT_SKIP) - ret1 = KSFT_PASS; + ksft_print_msg("\nclock_id: %s\n", vdso_clock_name[clock_id]);

- ret0 += ret1; + vdso_test_clock_gettime(clock_id);

- printf("clock_id: %s", vdso_clock_name[clock_id]); - - if (ret0 > 0) - printf(" [FAIL]\n"); - else - printf(" [PASS]\n"); - - return ret0; + vdso_test_clock_getres(clock_id); }

+#define VDSO_TEST_PLAN 16 + int main(int argc, char **argv) { unsigned long sysinfo_ehdr = getauxval(AT_SYSINFO_EHDR); - int ret; + + ksft_print_header(); + ksft_set_plan(VDSO_TEST_PLAN);

if (!sysinfo_ehdr) { printf("AT_SYSINFO_EHDR is not present!\n"); @@ -201,44 +192,42 @@ int main(int argc, char **argv)

vdso_init_from_sysinfo_ehdr(getauxval(AT_SYSINFO_EHDR));

- ret = vdso_test_gettimeofday(); + vdso_test_gettimeofday();

#if _POSIX_TIMERS > 0

#ifdef CLOCK_REALTIME - ret += vdso_test_clock(CLOCK_REALTIME); + vdso_test_clock(CLOCK_REALTIME); #endif

#ifdef CLOCK_BOOTTIME - ret += vdso_test_clock(CLOCK_BOOTTIME); + vdso_test_clock(CLOCK_BOOTTIME); #endif

#ifdef CLOCK_TAI - ret += vdso_test_clock(CLOCK_TAI); + vdso_test_clock(CLOCK_TAI); #endif

#ifdef CLOCK_REALTIME_COARSE - ret += vdso_test_clock(CLOCK_REALTIME_COARSE); + vdso_test_clock(CLOCK_REALTIME_COARSE); #endif

#ifdef CLOCK_MONOTONIC - ret += vdso_test_clock(CLOCK_MONOTONIC); + vdso_test_clock(CLOCK_MONOTONIC); #endif

#ifdef CLOCK_MONOTONIC_RAW - ret += vdso_test_clock(CLOCK_MONOTONIC_RAW); + vdso_test_clock(CLOCK_MONOTONIC_RAW); #endif

#ifdef CLOCK_MONOTONIC_COARSE - ret += vdso_test_clock(CLOCK_MONOTONIC_COARSE); + vdso_test_clock(CLOCK_MONOTONIC_COARSE); #endif

#endif

- ret += vdso_test_time(); - - if (ret > 0) - return KSFT_FAIL; + vdso_test_time();

- return KSFT_PASS; + ksft_print_cnts(); + return ksft_get_fail_cnt() == 0 ? KSFT_PASS : KSFT_FAIL; } diff --git a/tools/testing/selftests/zram/zram.sh b/tools/testing/selftests/zram/zram.sh index 232e958ec454..b0b91d9b0dc2 100755 --- a/tools/testing/selftests/zram/zram.sh +++ b/tools/testing/selftests/zram/zram.sh @@ -2,9 +2,6 @@ # SPDX-License-Identifier: GPL-2.0 TCID="zram.sh"

-# Kselftest framework requirement - SKIP code is 4. -ksft_skip=4 - . ./zram_lib.sh

run_zram () { @@ -18,14 +15,4 @@ echo ""

check_prereqs

-# check zram module exists -MODULE_PATH=/lib/modules/`uname -r`/kernel/drivers/block/zram/zram.ko -if [ -f $MODULE_PATH ]; then - run_zram -elif [ -b /dev/zram0 ]; then - run_zram -else - echo "$TCID : No zram.ko module or /dev/zram0 device file not found" - echo "$TCID : CONFIG_ZRAM is not set" - exit $ksft_skip -fi +run_zram diff --git a/tools/testing/selftests/zram/zram01.sh b/tools/testing/selftests/zram/zram01.sh index 114863d9fb87..8f4affe34f3e 100755 --- a/tools/testing/selftests/zram/zram01.sh +++ b/tools/testing/selftests/zram/zram01.sh @@ -33,9 +33,7 @@ zram_algs="lzo"

zram_fill_fs() { - local mem_free0=$(free -m | awk 'NR==2 {print $4}') - - for i in $(seq 0 $(($dev_num - 1))); do + for i in $(seq $dev_start $dev_end); do echo "fill zram$i..." local b=0 while [ true ]; do @@ -45,29 +43,17 @@ zram_fill_fs() b=$(($b + 1)) done echo "zram$i can be filled with '$b' KB" - done

- local mem_free1=$(free -m | awk 'NR==2 {print $4}') - local used_mem=$(($mem_free0 - $mem_free1)) + local mem_used_total=`awk '{print $3}' "/sys/block/zram$i/mm_stat"` + local v=$((100 * 1024 * $b / $mem_used_total)) + if [ "$v" -lt 100 ]; then + echo "FAIL compression ratio: 0.$v:1" + ERR_CODE=-1 + return + fi

- local total_size=0 - for sm in $zram_sizes; do - local s=$(echo $sm | sed 's/M//') - total_size=$(($total_size + $s)) + echo "zram compression ratio: $(echo "scale=2; $v / 100 " | bc):1: OK" done - - echo "zram used ${used_mem}M, zram disk sizes ${total_size}M" - - local v=$((100 * $total_size / $used_mem)) - - if [ "$v" -lt 100 ]; then - echo "FAIL compression ratio: 0.$v:1" - ERR_CODE=-1 - zram_cleanup - return - fi - - echo "zram compression ratio: $(echo "scale=2; $v / 100 " | bc):1: OK" }

check_prereqs @@ -81,7 +67,6 @@ zram_mount

zram_fill_fs zram_cleanup -zram_unload

if [ $ERR_CODE -ne 0 ]; then echo "$TCID : [FAIL]" diff --git a/tools/testing/selftests/zram/zram02.sh b/tools/testing/selftests/zram/zram02.sh index e83b404807c0..2418b0c4ed13 100755 --- a/tools/testing/selftests/zram/zram02.sh +++ b/tools/testing/selftests/zram/zram02.sh @@ -36,7 +36,6 @@ zram_set_memlimit zram_makeswap zram_swapoff zram_cleanup -zram_unload

if [ $ERR_CODE -ne 0 ]; then echo "$TCID : [FAIL]" diff --git a/tools/testing/selftests/zram/zram_lib.sh b/tools/testing/selftests/zram/zram_lib.sh index 6f872f266fd1..21ec1966de76 100755 --- a/tools/testing/selftests/zram/zram_lib.sh +++ b/tools/testing/selftests/zram/zram_lib.sh @@ -5,12 +5,17 @@ # Author: Alexey Kodanev alexey.kodanev@oracle.com # Modified: Naresh Kamboju naresh.kamboju@linaro.org

-MODULE=0 dev_makeswap=-1 dev_mounted=-1 - +dev_start=0 +dev_end=-1 +module_load=-1 +sys_control=-1 # Kselftest framework requirement - SKIP code is 4. ksft_skip=4 +kernel_version=`uname -r | cut -d'.' -f1,2` +kernel_major=${kernel_version%.*} +kernel_minor=${kernel_version#*.}

trap INT

@@ -25,68 +30,104 @@ check_prereqs() fi }

+kernel_gte() +{ + major=${1%.*} + minor=${1#*.} + + if [ $kernel_major -gt $major ]; then + return 0 + elif [[ $kernel_major -eq $major && $kernel_minor -ge $minor ]]; then + return 0 + fi + + return 1 +} + zram_cleanup() { echo "zram cleanup" local i= - for i in $(seq 0 $dev_makeswap); do + for i in $(seq $dev_start $dev_makeswap); do swapoff /dev/zram$i done

- for i in $(seq 0 $dev_mounted); do + for i in $(seq $dev_start $dev_mounted); do umount /dev/zram$i done

- for i in $(seq 0 $(($dev_num - 1))); do + for i in $(seq $dev_start $dev_end); do echo 1 > /sys/block/zram${i}/reset rm -rf zram$i done

-} + if [ $sys_control -eq 1 ]; then + for i in $(seq $dev_start $dev_end); do + echo $i > /sys/class/zram-control/hot_remove + done + fi

-zram_unload() -{ - if [ $MODULE -ne 0 ] ; then - echo "zram rmmod zram" + if [ $module_load -eq 1 ]; then rmmod zram > /dev/null 2>&1 fi }

zram_load() { - # check zram module exists - MODULE_PATH=/lib/modules/`uname -r`/kernel/drivers/block/zram/zram.ko - if [ -f $MODULE_PATH ]; then - MODULE=1 - echo "create '$dev_num' zram device(s)" - modprobe zram num_devices=$dev_num - if [ $? -ne 0 ]; then - echo "failed to insert zram module" - exit 1 - fi - - dev_num_created=$(ls /dev/zram* | wc -w) + echo "create '$dev_num' zram device(s)" + + # zram module loaded, new kernel + if [ -d "/sys/class/zram-control" ]; then + echo "zram modules already loaded, kernel supports" \ + "zram-control interface" + dev_start=$(ls /dev/zram* | wc -w) + dev_end=$(($dev_start + $dev_num - 1)) + sys_control=1 + + for i in $(seq $dev_start $dev_end); do + cat /sys/class/zram-control/hot_add > /dev/null + done + + echo "all zram devices (/dev/zram$dev_start~$dev_end" \ + "successfully created" + return 0 + fi

- if [ "$dev_num_created" -ne "$dev_num" ]; then - echo "unexpected num of devices: $dev_num_created" - ERR_CODE=-1 + # detect old kernel or built-in + modprobe zram num_devices=$dev_num + if [ ! -d "/sys/class/zram-control" ]; then + if grep -q '^zram' /proc/modules; then + rmmod zram > /dev/null 2>&1 + if [ $? -ne 0 ]; then + echo "zram module is being used on old kernel" \ + "without zram-control interface" + exit $ksft_skip + fi else - echo "zram load module successful" + echo "test needs CONFIG_ZRAM=m on old kernel without" \ + "zram-control interface" + exit $ksft_skip fi - elif [ -b /dev/zram0 ]; then - echo "/dev/zram0 device file found: OK" - else - echo "ERROR: No zram.ko module or no /dev/zram0 device found" - echo "$TCID : CONFIG_ZRAM is not set" - exit 1 + modprobe zram num_devices=$dev_num fi + + module_load=1 + dev_end=$(($dev_num - 1)) + echo "all zram devices (/dev/zram0~$dev_end) successfully created" }

zram_max_streams() { echo "set max_comp_streams to zram device(s)"

- local i=0 + kernel_gte 4.7 + if [ $? -eq 0 ]; then + echo "The device attribute max_comp_streams was"\ + "deprecated in 4.7" + return 0 + fi + + local i=$dev_start for max_s in $zram_max_streams; do local sys_path="/sys/block/zram${i}/max_comp_streams" echo $max_s > $sys_path || \ @@ -98,7 +139,7 @@ zram_max_streams() echo "FAIL can't set max_streams '$max_s', get $max_stream"

i=$(($i + 1)) - echo "$sys_path = '$max_streams' ($i/$dev_num)" + echo "$sys_path = '$max_streams'" done

echo "zram max streams: OK" @@ -108,15 +149,16 @@ zram_compress_alg() { echo "test that we can set compression algorithm"

- local algs=$(cat /sys/block/zram0/comp_algorithm) + local i=$dev_start + local algs=$(cat /sys/block/zram${i}/comp_algorithm) echo "supported algs: $algs" - local i=0 + for alg in $zram_algs; do local sys_path="/sys/block/zram${i}/comp_algorithm" echo "$alg" > $sys_path || \ echo "FAIL can't set '$alg' to $sys_path" i=$(($i + 1)) - echo "$sys_path = '$alg' ($i/$dev_num)" + echo "$sys_path = '$alg'" done

echo "zram set compression algorithm: OK" @@ -125,14 +167,14 @@ zram_compress_alg() zram_set_disksizes() { echo "set disk size to zram device(s)" - local i=0 + local i=$dev_start for ds in $zram_sizes; do local sys_path="/sys/block/zram${i}/disksize" echo "$ds" > $sys_path || \ echo "FAIL can't set '$ds' to $sys_path"

i=$(($i + 1)) - echo "$sys_path = '$ds' ($i/$dev_num)" + echo "$sys_path = '$ds'" done

echo "zram set disksizes: OK" @@ -142,14 +184,14 @@ zram_set_memlimit() { echo "set memory limit to zram device(s)"

- local i=0 + local i=$dev_start for ds in $zram_mem_limits; do local sys_path="/sys/block/zram${i}/mem_limit" echo "$ds" > $sys_path || \ echo "FAIL can't set '$ds' to $sys_path"

i=$(($i + 1)) - echo "$sys_path = '$ds' ($i/$dev_num)" + echo "$sys_path = '$ds'" done

echo "zram set memory limit: OK" @@ -158,8 +200,8 @@ zram_set_memlimit() zram_makeswap() { echo "make swap with zram device(s)" - local i=0 - for i in $(seq 0 $(($dev_num - 1))); do + local i=$dev_start + for i in $(seq $dev_start $dev_end); do mkswap /dev/zram$i > err.log 2>&1 if [ $? -ne 0 ]; then cat err.log @@ -182,7 +224,7 @@ zram_makeswap() zram_swapoff() { local i= - for i in $(seq 0 $dev_makeswap); do + for i in $(seq $dev_start $dev_end); do swapoff /dev/zram$i > err.log 2>&1 if [ $? -ne 0 ]; then cat err.log @@ -196,7 +238,7 @@ zram_swapoff()

zram_makefs() { - local i=0 + local i=$dev_start for fs in $zram_filesystems; do # if requested fs not supported default it to ext2 which mkfs.$fs > /dev/null 2>&1 || fs=ext2 @@ -215,7 +257,7 @@ zram_makefs() zram_mount() { local i=0 - for i in $(seq 0 $(($dev_num - 1))); do + for i in $(seq $dev_start $dev_end); do echo "mount /dev/zram$i" mkdir zram$i mount /dev/zram$i zram$i > /dev/null || \