diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt index b6a7e7397b8b..b944fe067188 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt @@ -16,6 +16,9 @@ Required properties: Documentation/devicetree/bindings/graph.txt. This port should be connected to the input port of an attached HDMI or LVDS encoder chip. +Optional properties: +- pinctrl-names: Contain "default" and "sleep". + Example: dpi0: dpi@1401d000 { @@ -26,6 +29,9 @@ dpi0: dpi@1401d000 { <&mmsys CLK_MM_DPI_ENGINE>, <&apmixedsys CLK_APMIXED_TVDPLL>; clock-names = "pixel", "engine", "pll"; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&dpi_pin_func>; + pinctrl-1 = <&dpi_pin_idle>; port { dpi0_out: endpoint { diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt index f67ed33d1054..81a8802cea88 100644 --- a/Documentation/virtual/kvm/api.txt +++ b/Documentation/virtual/kvm/api.txt @@ -3737,9 +3737,11 @@ EOI was received. #define KVM_EXIT_HYPERV_SYNIC 1 #define KVM_EXIT_HYPERV_HCALL 2 __u32 type; + __u32 pad1; union { struct { __u32 msr; + __u32 pad2; __u64 control; __u64 evt_page; __u64 msg_page; diff --git a/Makefile b/Makefile index ce607fe26228..04d63a6b4f46 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 4 PATCHLEVEL = 14 -SUBLEVEL = 184 +SUBLEVEL = 185 EXTRAVERSION = NAME = Petit Gorille @@ -542,12 +542,8 @@ KBUILD_MODULES := KBUILD_BUILTIN := 1 # If we have only "make modules", don't compile built-in objects. -# When we're building modules with modversions, we need to consider -# the built-in objects during the descend as well, in order to -# make sure the checksums are up to date before we record them. - ifeq ($(MAKECMDGOALS),modules) - KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1) + KBUILD_BUILTIN := endif # If we have "make modules", compile modules @@ -1249,6 +1245,13 @@ ifdef CONFIG_MODULES all: modules +# When we're building modules with modversions, we need to consider +# the built-in objects during the descend as well, in order to +# make sure the checksums are up to date before we record them. +ifdef CONFIG_MODVERSIONS + KBUILD_BUILTIN := 1 +endif + # Build modules # # A module can be listed more than once in obj-m resulting in diff --git a/arch/alpha/include/asm/uaccess.h b/arch/alpha/include/asm/uaccess.h index 87d8c4f0307d..7295967b5028 100644 --- a/arch/alpha/include/asm/uaccess.h +++ b/arch/alpha/include/asm/uaccess.h @@ -30,11 +30,13 @@ * Address valid if: * - "addr" doesn't have any high-bits set * - AND "size" doesn't have any high-bits set - * - AND "addr+size" doesn't have any high-bits set + * - AND "addr+size-(size != 0)" doesn't have any high-bits set * - OR we are in kernel mode. */ -#define __access_ok(addr, size) \ - ((get_fs().seg & (addr | size | (addr+size))) == 0) +#define __access_ok(addr, size) ({ \ + unsigned long __ao_a = (addr), __ao_b = (size); \ + unsigned long __ao_end = __ao_a + __ao_b - !!__ao_b; \ + (get_fs().seg & (__ao_a | __ao_b | __ao_end)) == 0; }) #define access_ok(type, addr, size) \ ({ \ diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index 58e3771e4c5b..368b4b404985 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -228,8 +228,8 @@ static struct undef_hook arm_break_hook = { }; static struct undef_hook thumb_break_hook = { - .instr_mask = 0xffff, - .instr_val = 0xde01, + .instr_mask = 0xffffffff, + .instr_val = 0x0000de01, .cpsr_mask = PSR_T_BIT, .cpsr_val = PSR_T_BIT, .fn = break_trap, diff --git a/arch/arm/mach-tegra/tegra.c b/arch/arm/mach-tegra/tegra.c index 02e712d2ea30..bbc2926bd12b 100644 --- a/arch/arm/mach-tegra/tegra.c +++ b/arch/arm/mach-tegra/tegra.c @@ -108,8 +108,8 @@ static const char * const tegra_dt_board_compat[] = { }; DT_MACHINE_START(TEGRA_DT, "NVIDIA Tegra SoC (Flattened Device Tree)") - .l2c_aux_val = 0x3c400001, - .l2c_aux_mask = 0xc20fc3fe, + .l2c_aux_val = 0x3c400000, + .l2c_aux_mask = 0xc20fc3ff, .smp = smp_ops(tegra_smp_ops), .map_io = tegra_map_common_io, .init_early = tegra_init_early, diff --git a/arch/arm/mm/proc-macros.S b/arch/arm/mm/proc-macros.S index 5461d589a1e2..60ac7c5999a9 100644 --- a/arch/arm/mm/proc-macros.S +++ b/arch/arm/mm/proc-macros.S @@ -5,6 +5,7 @@ * VMA_VM_FLAGS * VM_EXEC */ +#include #include #include @@ -30,7 +31,7 @@ * act_mm - get current->active_mm */ .macro act_mm, rd - bic \rd, sp, #8128 + bic \rd, sp, #(THREAD_SIZE - 1) & ~63 bic \rd, \rd, #63 ldr \rd, [\rd, #TI_TASK] .if (TSK_ACTIVE_MM > IMM12_MASK) diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index f982c9d1d10b..87615facf959 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -292,8 +292,10 @@ struct kvm_vcpu_arch { * CP14 and CP15 live in the same array, as they are backed by the * same system registers. */ -#define vcpu_cp14(v,r) ((v)->arch.ctxt.copro[(r)]) -#define vcpu_cp15(v,r) ((v)->arch.ctxt.copro[(r)]) +#define CPx_BIAS IS_ENABLED(CONFIG_CPU_BIG_ENDIAN) + +#define vcpu_cp14(v,r) ((v)->arch.ctxt.copro[(r) ^ CPx_BIAS]) +#define vcpu_cp15(v,r) ((v)->arch.ctxt.copro[(r) ^ CPx_BIAS]) #ifdef CONFIG_CPU_BIG_ENDIAN #define vcpu_cp15_64_high(v,r) vcpu_cp15((v),(r)) diff --git a/arch/m68k/include/asm/mac_via.h b/arch/m68k/include/asm/mac_via.h index de1470c4d829..1149251ea58d 100644 --- a/arch/m68k/include/asm/mac_via.h +++ b/arch/m68k/include/asm/mac_via.h @@ -257,6 +257,7 @@ extern int rbv_present,via_alt_mapping; struct irq_desc; +extern void via_l2_flush(int writeback); extern void via_register_interrupts(void); extern void via_irq_enable(int); extern void via_irq_disable(int); diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c index 2004b3f72d80..3ea7450c51f2 100644 --- a/arch/m68k/mac/config.c +++ b/arch/m68k/mac/config.c @@ -61,7 +61,6 @@ extern void iop_preinit(void); extern void iop_init(void); extern void via_init(void); extern void via_init_clock(irq_handler_t func); -extern void via_flush_cache(void); extern void oss_init(void); extern void psc_init(void); extern void baboon_init(void); @@ -132,21 +131,6 @@ int __init mac_parse_bootinfo(const struct bi_record *record) return unknown; } -/* - * Flip into 24bit mode for an instant - flushes the L2 cache card. We - * have to disable interrupts for this. Our IRQ handlers will crap - * themselves if they take an IRQ in 24bit mode! - */ - -static void mac_cache_card_flush(int writeback) -{ - unsigned long flags; - - local_irq_save(flags); - via_flush_cache(); - local_irq_restore(flags); -} - void __init config_mac(void) { if (!MACH_IS_MAC) @@ -179,9 +163,8 @@ void __init config_mac(void) * not. */ - if (macintosh_config->ident == MAC_MODEL_IICI - || macintosh_config->ident == MAC_MODEL_IIFX) - mach_l2_flush = mac_cache_card_flush; + if (macintosh_config->ident == MAC_MODEL_IICI) + mach_l2_flush = via_l2_flush; } diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c index 863806e6775a..6ab6a1d54b37 100644 --- a/arch/m68k/mac/via.c +++ b/arch/m68k/mac/via.c @@ -300,10 +300,14 @@ void via_debug_dump(void) * the system into 24-bit mode for an instant. */ -void via_flush_cache(void) +void via_l2_flush(int writeback) { + unsigned long flags; + + local_irq_save(flags); via2[gBufB] &= ~VIA2B_vMode32; via2[gBufB] |= VIA2B_vMode32; + local_irq_restore(flags); } /* diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 5977884b008e..a4a06d173858 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -279,12 +279,23 @@ ifdef CONFIG_64BIT endif endif +# When linking a 32-bit executable the LLVM linker cannot cope with a +# 32-bit load address that has been sign-extended to 64 bits. Simply +# remove the upper 32 bits then, as it is safe to do so with other +# linkers. +ifdef CONFIG_64BIT + load-ld = $(load-y) +else + load-ld = $(subst 0xffffffff,0x,$(load-y)) +endif + KBUILD_AFLAGS += $(cflags-y) KBUILD_CFLAGS += $(cflags-y) -KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) +KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) -DLINKER_LOAD_ADDRESS=$(load-ld) KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0) bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \ + LINKER_LOAD_ADDRESS=$(load-ld) \ VMLINUX_ENTRY_ADDRESS=$(entry-y) \ PLATFORM="$(platform-y)" \ ITS_INPUTS="$(its-y)" diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile index baa34e4deb78..516e593a8ee9 100644 --- a/arch/mips/boot/compressed/Makefile +++ b/arch/mips/boot/compressed/Makefile @@ -87,7 +87,7 @@ ifneq ($(zload-y),) VMLINUZ_LOAD_ADDRESS := $(zload-y) else VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \ - $(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS)) + $(obj)/vmlinux.bin $(LINKER_LOAD_ADDRESS)) endif UIMAGE_LOADADDR = $(VMLINUZ_LOAD_ADDRESS) diff --git a/arch/mips/configs/loongson3_defconfig b/arch/mips/configs/loongson3_defconfig index 324dfee23dfb..c871e40b8878 100644 --- a/arch/mips/configs/loongson3_defconfig +++ b/arch/mips/configs/loongson3_defconfig @@ -250,7 +250,7 @@ CONFIG_MEDIA_CAMERA_SUPPORT=y CONFIG_MEDIA_USB_SUPPORT=y CONFIG_USB_VIDEO_CLASS=m CONFIG_DRM=y -CONFIG_DRM_RADEON=y +CONFIG_DRM_RADEON=m CONFIG_FB_RADEON=y CONFIG_LCD_CLASS_DEVICE=y CONFIG_LCD_PLATFORM=m diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h index 673049bf29b6..f21dd4cb33ad 100644 --- a/arch/mips/include/asm/kvm_host.h +++ b/arch/mips/include/asm/kvm_host.h @@ -274,8 +274,12 @@ enum emulation_result { #define MIPS3_PG_SHIFT 6 #define MIPS3_PG_FRAME 0x3fffffc0 +#if defined(CONFIG_64BIT) +#define VPN2_MASK GENMASK(cpu_vmbits - 1, 13) +#else #define VPN2_MASK 0xffffe000 -#define KVM_ENTRYHI_ASID MIPS_ENTRYHI_ASID +#endif +#define KVM_ENTRYHI_ASID cpu_asid_mask(&boot_cpu_data) #define TLB_IS_GLOBAL(x) ((x).tlb_lo[0] & (x).tlb_lo[1] & ENTRYLO_G) #define TLB_VPN2(x) ((x).tlb_hi & VPN2_MASK) #define TLB_ASID(x) ((x).tlb_hi & KVM_ENTRYHI_ASID) diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index a6810923b3f0..a7f9acb42034 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -737,7 +737,7 @@ /* MAAR bit definitions */ #define MIPS_MAAR_VH (_U64CAST_(1) << 63) -#define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12) +#define MIPS_MAAR_ADDR GENMASK_ULL(55, 12) #define MIPS_MAAR_ADDR_SHIFT 12 #define MIPS_MAAR_S (_ULCAST_(1) << 1) #define MIPS_MAAR_VL (_ULCAST_(1) << 0) diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S index 37b9383eacd3..cf74a963839f 100644 --- a/arch/mips/kernel/genex.S +++ b/arch/mips/kernel/genex.S @@ -431,20 +431,20 @@ NESTED(nmi_handler, PT_SIZE, sp) .endm .macro __build_clear_fpe + CLI + TRACE_IRQS_OFF .set push /* gas fails to assemble cfc1 for some archs (octeon).*/ \ .set mips1 SET_HARDFLOAT cfc1 a1, fcr31 .set pop - CLI - TRACE_IRQS_OFF .endm .macro __build_clear_msa_fpe - _cfcmsa a1, MSA_CSR CLI TRACE_IRQS_OFF + _cfcmsa a1, MSA_CSR .endm .macro __build_clear_ade diff --git a/arch/mips/kernel/mips-cm.c b/arch/mips/kernel/mips-cm.c index 7f3f136572de..50d3d74001cb 100644 --- a/arch/mips/kernel/mips-cm.c +++ b/arch/mips/kernel/mips-cm.c @@ -123,9 +123,9 @@ static char *cm2_causes[32] = { "COH_RD_ERR", "MMIO_WR_ERR", "MMIO_RD_ERR", "0x07", "0x08", "0x09", "0x0a", "0x0b", "0x0c", "0x0d", "0x0e", "0x0f", - "0x10", "0x11", "0x12", "0x13", - "0x14", "0x15", "0x16", "INTVN_WR_ERR", - "INTVN_RD_ERR", "0x19", "0x1a", "0x1b", + "0x10", "INTVN_WR_ERR", "INTVN_RD_ERR", "0x13", + "0x14", "0x15", "0x16", "0x17", + "0x18", "0x19", "0x1a", "0x1b", "0x1c", "0x1d", "0x1e", "0x1f" }; diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 05ed4ed411c7..abd7ee9e90ab 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -911,7 +911,17 @@ static void __init arch_mem_init(char **cmdline_p) BOOTMEM_DEFAULT); #endif device_tree_init(); + + /* + * In order to reduce the possibility of kernel panic when failed to + * get IO TLB memory under CONFIG_SWIOTLB, it is better to allocate + * low memory as small as possible before plat_swiotlb_setup(), so + * make sparse_init() using top-down allocation. + */ + memblock_set_bottom_up(false); sparse_init(); + memblock_set_bottom_up(true); + plat_swiotlb_setup(); dma_contiguous_reserve(PFN_PHYS(max_low_pfn)); diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c index a6ebc8135112..df18f386d457 100644 --- a/arch/mips/kernel/time.c +++ b/arch/mips/kernel/time.c @@ -22,12 +22,82 @@ #include #include #include +#include +#include #include #include #include #include +#ifdef CONFIG_CPU_FREQ + +static DEFINE_PER_CPU(unsigned long, pcp_lpj_ref); +static DEFINE_PER_CPU(unsigned long, pcp_lpj_ref_freq); +static unsigned long glb_lpj_ref; +static unsigned long glb_lpj_ref_freq; + +static int cpufreq_callback(struct notifier_block *nb, + unsigned long val, void *data) +{ + struct cpufreq_freqs *freq = data; + struct cpumask *cpus = freq->policy->cpus; + unsigned long lpj; + int cpu; + + /* + * Skip lpj numbers adjustment if the CPU-freq transition is safe for + * the loops delay. (Is this possible?) + */ + if (freq->flags & CPUFREQ_CONST_LOOPS) + return NOTIFY_OK; + + /* Save the initial values of the lpjes for future scaling. */ + if (!glb_lpj_ref) { + glb_lpj_ref = boot_cpu_data.udelay_val; + glb_lpj_ref_freq = freq->old; + + for_each_online_cpu(cpu) { + per_cpu(pcp_lpj_ref, cpu) = + cpu_data[cpu].udelay_val; + per_cpu(pcp_lpj_ref_freq, cpu) = freq->old; + } + } + + /* + * Adjust global lpj variable and per-CPU udelay_val number in + * accordance with the new CPU frequency. + */ + if ((val == CPUFREQ_PRECHANGE && freq->old < freq->new) || + (val == CPUFREQ_POSTCHANGE && freq->old > freq->new)) { + loops_per_jiffy = cpufreq_scale(glb_lpj_ref, + glb_lpj_ref_freq, + freq->new); + + for_each_cpu(cpu, cpus) { + lpj = cpufreq_scale(per_cpu(pcp_lpj_ref, cpu), + per_cpu(pcp_lpj_ref_freq, cpu), + freq->new); + cpu_data[cpu].udelay_val = (unsigned int)lpj; + } + } + + return NOTIFY_OK; +} + +static struct notifier_block cpufreq_notifier = { + .notifier_call = cpufreq_callback, +}; + +static int __init register_cpufreq_notifier(void) +{ + return cpufreq_register_notifier(&cpufreq_notifier, + CPUFREQ_TRANSITION_NOTIFIER); +} +core_initcall(register_cpufreq_notifier); + +#endif /* CONFIG_CPU_FREQ */ + /* * forward reference */ diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S index 36f2e860ba3e..be63fff95b2a 100644 --- a/arch/mips/kernel/vmlinux.lds.S +++ b/arch/mips/kernel/vmlinux.lds.S @@ -50,7 +50,7 @@ SECTIONS /* . = 0xa800000000300000; */ . = 0xffffffff80300000; #endif - . = VMLINUX_LOAD_ADDRESS; + . = LINKER_LOAD_ADDRESS; /* read-only */ _text = .; /* Text and read-only data */ .text : { diff --git a/arch/openrisc/include/asm/uaccess.h b/arch/openrisc/include/asm/uaccess.h index bbf5c79cce7a..8b204cd1f531 100644 --- a/arch/openrisc/include/asm/uaccess.h +++ b/arch/openrisc/include/asm/uaccess.h @@ -58,8 +58,12 @@ /* Ensure that addr is below task's addr_limit */ #define __addr_ok(addr) ((unsigned long) addr < get_fs()) -#define access_ok(type, addr, size) \ - __range_ok((unsigned long)addr, (unsigned long)size) +#define access_ok(type, addr, size) \ +({ \ + unsigned long __ao_addr = (unsigned long)(addr); \ + unsigned long __ao_size = (unsigned long)(size); \ + __range_ok(__ao_addr, __ao_size); \ +}) /* * These are the main single-value transfer routines. They automatically diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c index 7ed2b1b6643c..09134df01bfd 100644 --- a/arch/powerpc/kernel/dt_cpu_ftrs.c +++ b/arch/powerpc/kernel/dt_cpu_ftrs.c @@ -385,6 +385,14 @@ static int __init feat_enable_dscr(struct dt_cpu_feature *f) { u64 lpcr; + /* + * Linux relies on FSCR[DSCR] being clear, so that we can take the + * facility unavailable interrupt and track the task's usage of DSCR. + * See facility_unavailable_exception(). + * Clear the bit here so that feat_enable() doesn't set it. + */ + f->fscr_bit_nr = -1; + feat_enable(f); lpcr = mfspr(SPRN_LPCR); diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index d96b28415090..bbe9c57dd1a3 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -658,6 +658,23 @@ static void __init early_reserve_mem(void) #endif } +#ifdef CONFIG_PPC64 +static void __init save_fscr_to_task(void) +{ + /* + * Ensure the init_task (pid 0, aka swapper) uses the value of FSCR we + * have configured via the device tree features or via __init_FSCR(). + * That value will then be propagated to pid 1 (init) and all future + * processes. + */ + if (early_cpu_has_feature(CPU_FTR_ARCH_207S)) + init_task.thread.fscr = mfspr(SPRN_FSCR); +} +#else +static inline void save_fscr_to_task(void) {}; +#endif + + void __init early_init_devtree(void *params) { phys_addr_t limit; @@ -743,6 +760,8 @@ void __init early_init_devtree(void *params) BUG(); } + save_fscr_to_task(); + #if defined(CONFIG_SMP) && defined(CONFIG_PPC64) /* We'll later wait for secondaries to check in; there are * NCPUS-1 non-boot CPUs :-) diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index 5ffcdeb1eb17..9d9fffaedeef 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -1988,8 +1988,9 @@ static ssize_t __spufs_mbox_info_read(struct spu_context *ctx, static ssize_t spufs_mbox_info_read(struct file *file, char __user *buf, size_t len, loff_t *pos) { - int ret; struct spu_context *ctx = file->private_data; + u32 stat, data; + int ret; if (!access_ok(VERIFY_WRITE, buf, len)) return -EFAULT; @@ -1998,11 +1999,16 @@ static ssize_t spufs_mbox_info_read(struct file *file, char __user *buf, if (ret) return ret; spin_lock(&ctx->csa.register_lock); - ret = __spufs_mbox_info_read(ctx, buf, len, pos); + stat = ctx->csa.prob.mb_stat_R; + data = ctx->csa.prob.pu_mb_R; spin_unlock(&ctx->csa.register_lock); spu_release_saved(ctx); - return ret; + /* EOF if there's no entry in the mbox */ + if (!(stat & 0x0000ff)) + return 0; + + return simple_read_from_buffer(buf, len, pos, &data, sizeof(data)); } static const struct file_operations spufs_mbox_info_fops = { @@ -2029,6 +2035,7 @@ static ssize_t spufs_ibox_info_read(struct file *file, char __user *buf, size_t len, loff_t *pos) { struct spu_context *ctx = file->private_data; + u32 stat, data; int ret; if (!access_ok(VERIFY_WRITE, buf, len)) @@ -2038,11 +2045,16 @@ static ssize_t spufs_ibox_info_read(struct file *file, char __user *buf, if (ret) return ret; spin_lock(&ctx->csa.register_lock); - ret = __spufs_ibox_info_read(ctx, buf, len, pos); + stat = ctx->csa.prob.mb_stat_R; + data = ctx->csa.priv2.puint_mb_R; spin_unlock(&ctx->csa.register_lock); spu_release_saved(ctx); - return ret; + /* EOF if there's no entry in the ibox */ + if (!(stat & 0xff0000)) + return 0; + + return simple_read_from_buffer(buf, len, pos, &data, sizeof(data)); } static const struct file_operations spufs_ibox_info_fops = { @@ -2051,6 +2063,11 @@ static const struct file_operations spufs_ibox_info_fops = { .llseek = generic_file_llseek, }; +static size_t spufs_wbox_info_cnt(struct spu_context *ctx) +{ + return (4 - ((ctx->csa.prob.mb_stat_R & 0x00ff00) >> 8)) * sizeof(u32); +} + static ssize_t __spufs_wbox_info_read(struct spu_context *ctx, char __user *buf, size_t len, loff_t *pos) { @@ -2059,7 +2076,7 @@ static ssize_t __spufs_wbox_info_read(struct spu_context *ctx, u32 wbox_stat; wbox_stat = ctx->csa.prob.mb_stat_R; - cnt = 4 - ((wbox_stat & 0x00ff00) >> 8); + cnt = spufs_wbox_info_cnt(ctx); for (i = 0; i < cnt; i++) { data[i] = ctx->csa.spu_mailbox_data[i]; } @@ -2072,7 +2089,8 @@ static ssize_t spufs_wbox_info_read(struct file *file, char __user *buf, size_t len, loff_t *pos) { struct spu_context *ctx = file->private_data; - int ret; + u32 data[ARRAY_SIZE(ctx->csa.spu_mailbox_data)]; + int ret, count; if (!access_ok(VERIFY_WRITE, buf, len)) return -EFAULT; @@ -2081,11 +2099,13 @@ static ssize_t spufs_wbox_info_read(struct file *file, char __user *buf, if (ret) return ret; spin_lock(&ctx->csa.register_lock); - ret = __spufs_wbox_info_read(ctx, buf, len, pos); + count = spufs_wbox_info_cnt(ctx); + memcpy(&data, &ctx->csa.spu_mailbox_data, sizeof(data)); spin_unlock(&ctx->csa.register_lock); spu_release_saved(ctx); - return ret; + return simple_read_from_buffer(buf, len, pos, &data, + count * sizeof(u32)); } static const struct file_operations spufs_wbox_info_fops = { @@ -2094,27 +2114,33 @@ static const struct file_operations spufs_wbox_info_fops = { .llseek = generic_file_llseek, }; -static ssize_t __spufs_dma_info_read(struct spu_context *ctx, - char __user *buf, size_t len, loff_t *pos) +static void spufs_get_dma_info(struct spu_context *ctx, + struct spu_dma_info *info) { - struct spu_dma_info info; - struct mfc_cq_sr *qp, *spuqp; int i; - info.dma_info_type = ctx->csa.priv2.spu_tag_status_query_RW; - info.dma_info_mask = ctx->csa.lscsa->tag_mask.slot[0]; - info.dma_info_status = ctx->csa.spu_chnldata_RW[24]; - info.dma_info_stall_and_notify = ctx->csa.spu_chnldata_RW[25]; - info.dma_info_atomic_command_status = ctx->csa.spu_chnldata_RW[27]; + info->dma_info_type = ctx->csa.priv2.spu_tag_status_query_RW; + info->dma_info_mask = ctx->csa.lscsa->tag_mask.slot[0]; + info->dma_info_status = ctx->csa.spu_chnldata_RW[24]; + info->dma_info_stall_and_notify = ctx->csa.spu_chnldata_RW[25]; + info->dma_info_atomic_command_status = ctx->csa.spu_chnldata_RW[27]; for (i = 0; i < 16; i++) { - qp = &info.dma_info_command_data[i]; - spuqp = &ctx->csa.priv2.spuq[i]; + struct mfc_cq_sr *qp = &info->dma_info_command_data[i]; + struct mfc_cq_sr *spuqp = &ctx->csa.priv2.spuq[i]; qp->mfc_cq_data0_RW = spuqp->mfc_cq_data0_RW; qp->mfc_cq_data1_RW = spuqp->mfc_cq_data1_RW; qp->mfc_cq_data2_RW = spuqp->mfc_cq_data2_RW; qp->mfc_cq_data3_RW = spuqp->mfc_cq_data3_RW; } +} + +static ssize_t __spufs_dma_info_read(struct spu_context *ctx, + char __user *buf, size_t len, loff_t *pos) +{ + struct spu_dma_info info; + + spufs_get_dma_info(ctx, &info); return simple_read_from_buffer(buf, len, pos, &info, sizeof info); @@ -2124,6 +2150,7 @@ static ssize_t spufs_dma_info_read(struct file *file, char __user *buf, size_t len, loff_t *pos) { struct spu_context *ctx = file->private_data; + struct spu_dma_info info; int ret; if (!access_ok(VERIFY_WRITE, buf, len)) @@ -2133,11 +2160,12 @@ static ssize_t spufs_dma_info_read(struct file *file, char __user *buf, if (ret) return ret; spin_lock(&ctx->csa.register_lock); - ret = __spufs_dma_info_read(ctx, buf, len, pos); + spufs_get_dma_info(ctx, &info); spin_unlock(&ctx->csa.register_lock); spu_release_saved(ctx); - return ret; + return simple_read_from_buffer(buf, len, pos, &info, + sizeof(info)); } static const struct file_operations spufs_dma_info_fops = { @@ -2146,13 +2174,31 @@ static const struct file_operations spufs_dma_info_fops = { .llseek = no_llseek, }; +static void spufs_get_proxydma_info(struct spu_context *ctx, + struct spu_proxydma_info *info) +{ + int i; + + info->proxydma_info_type = ctx->csa.prob.dma_querytype_RW; + info->proxydma_info_mask = ctx->csa.prob.dma_querymask_RW; + info->proxydma_info_status = ctx->csa.prob.dma_tagstatus_R; + + for (i = 0; i < 8; i++) { + struct mfc_cq_sr *qp = &info->proxydma_info_command_data[i]; + struct mfc_cq_sr *puqp = &ctx->csa.priv2.puq[i]; + + qp->mfc_cq_data0_RW = puqp->mfc_cq_data0_RW; + qp->mfc_cq_data1_RW = puqp->mfc_cq_data1_RW; + qp->mfc_cq_data2_RW = puqp->mfc_cq_data2_RW; + qp->mfc_cq_data3_RW = puqp->mfc_cq_data3_RW; + } +} + static ssize_t __spufs_proxydma_info_read(struct spu_context *ctx, char __user *buf, size_t len, loff_t *pos) { struct spu_proxydma_info info; - struct mfc_cq_sr *qp, *puqp; int ret = sizeof info; - int i; if (len < ret) return -EINVAL; @@ -2160,18 +2206,7 @@ static ssize_t __spufs_proxydma_info_read(struct spu_context *ctx, if (!access_ok(VERIFY_WRITE, buf, len)) return -EFAULT; - info.proxydma_info_type = ctx->csa.prob.dma_querytype_RW; - info.proxydma_info_mask = ctx->csa.prob.dma_querymask_RW; - info.proxydma_info_status = ctx->csa.prob.dma_tagstatus_R; - for (i = 0; i < 8; i++) { - qp = &info.proxydma_info_command_data[i]; - puqp = &ctx->csa.priv2.puq[i]; - - qp->mfc_cq_data0_RW = puqp->mfc_cq_data0_RW; - qp->mfc_cq_data1_RW = puqp->mfc_cq_data1_RW; - qp->mfc_cq_data2_RW = puqp->mfc_cq_data2_RW; - qp->mfc_cq_data3_RW = puqp->mfc_cq_data3_RW; - } + spufs_get_proxydma_info(ctx, &info); return simple_read_from_buffer(buf, len, pos, &info, sizeof info); @@ -2181,17 +2216,19 @@ static ssize_t spufs_proxydma_info_read(struct file *file, char __user *buf, size_t len, loff_t *pos) { struct spu_context *ctx = file->private_data; + struct spu_proxydma_info info; int ret; ret = spu_acquire_saved(ctx); if (ret) return ret; spin_lock(&ctx->csa.register_lock); - ret = __spufs_proxydma_info_read(ctx, buf, len, pos); + spufs_get_proxydma_info(ctx, &info); spin_unlock(&ctx->csa.register_lock); spu_release_saved(ctx); - return ret; + return simple_read_from_buffer(buf, len, pos, &info, + sizeof(info)); } static const struct file_operations spufs_proxydma_info_fops = { diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index b7ae5a027714..f8181c8af32d 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include @@ -932,12 +933,16 @@ EXPORT_SYMBOL_GPL(is_xive_irq); void xive_cleanup_irq_data(struct xive_irq_data *xd) { if (xd->eoi_mmio) { + unmap_kernel_range((unsigned long)xd->eoi_mmio, + 1u << xd->esb_shift); iounmap(xd->eoi_mmio); if (xd->eoi_mmio == xd->trig_mmio) xd->trig_mmio = NULL; xd->eoi_mmio = NULL; } if (xd->trig_mmio) { + unmap_kernel_range((unsigned long)xd->trig_mmio, + 1u << xd->esb_shift); iounmap(xd->trig_mmio); xd->trig_mmio = NULL; } diff --git a/arch/sh/include/asm/uaccess.h b/arch/sh/include/asm/uaccess.h index 32eb56e00c11..6e7816360a75 100644 --- a/arch/sh/include/asm/uaccess.h +++ b/arch/sh/include/asm/uaccess.h @@ -16,8 +16,11 @@ * sum := addr + size; carry? --> flag = true; * if (sum >= addr_limit) flag = true; */ -#define __access_ok(addr, size) \ - (__addr_ok((addr) + (size))) +#define __access_ok(addr, size) ({ \ + unsigned long __ao_a = (addr), __ao_b = (size); \ + unsigned long __ao_end = __ao_a + __ao_b - !!__ao_b; \ + __ao_end >= __ao_a && __addr_ok(__ao_end); }) + #define access_ok(type, addr, size) \ (__chk_user_ptr(addr), \ __access_ok((unsigned long __force)(addr), (size))) diff --git a/arch/sparc/kernel/ptrace_32.c b/arch/sparc/kernel/ptrace_32.c index 16b50afe7b52..60f7205ebe40 100644 --- a/arch/sparc/kernel/ptrace_32.c +++ b/arch/sparc/kernel/ptrace_32.c @@ -46,82 +46,79 @@ enum sparc_regset { REGSET_FP, }; +static int regwindow32_get(struct task_struct *target, + const struct pt_regs *regs, + u32 *uregs) +{ + unsigned long reg_window = regs->u_regs[UREG_I6]; + int size = 16 * sizeof(u32); + + if (target == current) { + if (copy_from_user(uregs, (void __user *)reg_window, size)) + return -EFAULT; + } else { + if (access_process_vm(target, reg_window, uregs, size, + FOLL_FORCE) != size) + return -EFAULT; + } + return 0; +} + +static int regwindow32_set(struct task_struct *target, + const struct pt_regs *regs, + u32 *uregs) +{ + unsigned long reg_window = regs->u_regs[UREG_I6]; + int size = 16 * sizeof(u32); + + if (target == current) { + if (copy_to_user((void __user *)reg_window, uregs, size)) + return -EFAULT; + } else { + if (access_process_vm(target, reg_window, uregs, size, + FOLL_FORCE | FOLL_WRITE) != size) + return -EFAULT; + } + return 0; +} + static int genregs32_get(struct task_struct *target, const struct user_regset *regset, unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf) { const struct pt_regs *regs = target->thread.kregs; - unsigned long __user *reg_window; - unsigned long *k = kbuf; - unsigned long __user *u = ubuf; - unsigned long reg; + u32 uregs[16]; + int ret; if (target == current) flush_user_windows(); - pos /= sizeof(reg); - count /= sizeof(reg); - - if (kbuf) { - for (; count > 0 && pos < 16; count--) - *k++ = regs->u_regs[pos++]; - - reg_window = (unsigned long __user *) regs->u_regs[UREG_I6]; - reg_window -= 16; - for (; count > 0 && pos < 32; count--) { - if (get_user(*k++, ®_window[pos++])) - return -EFAULT; - } - } else { - for (; count > 0 && pos < 16; count--) { - if (put_user(regs->u_regs[pos++], u++)) - return -EFAULT; - } - - reg_window = (unsigned long __user *) regs->u_regs[UREG_I6]; - reg_window -= 16; - for (; count > 0 && pos < 32; count--) { - if (get_user(reg, ®_window[pos++]) || - put_user(reg, u++)) - return -EFAULT; - } - } - while (count > 0) { - switch (pos) { - case 32: /* PSR */ - reg = regs->psr; - break; - case 33: /* PC */ - reg = regs->pc; - break; - case 34: /* NPC */ - reg = regs->npc; - break; - case 35: /* Y */ - reg = regs->y; - break; - case 36: /* WIM */ - case 37: /* TBR */ - reg = 0; - break; - default: - goto finish; - } + ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, + regs->u_regs, + 0, 16 * sizeof(u32)); + if (ret || !count) + return ret; - if (kbuf) - *k++ = reg; - else if (put_user(reg, u++)) + if (pos < 32 * sizeof(u32)) { + if (regwindow32_get(target, regs, uregs)) return -EFAULT; - pos++; - count--; + ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, + uregs, + 16 * sizeof(u32), 32 * sizeof(u32)); + if (ret || !count) + return ret; } -finish: - pos *= sizeof(reg); - count *= sizeof(reg); - return user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf, - 38 * sizeof(reg), -1); + uregs[0] = regs->psr; + uregs[1] = regs->pc; + uregs[2] = regs->npc; + uregs[3] = regs->y; + uregs[4] = 0; /* WIM */ + uregs[5] = 0; /* TBR */ + return user_regset_copyout(&pos, &count, &kbuf, &ubuf, + uregs, + 32 * sizeof(u32), 38 * sizeof(u32)); } static int genregs32_set(struct task_struct *target, @@ -130,82 +127,53 @@ static int genregs32_set(struct task_struct *target, const void *kbuf, const void __user *ubuf) { struct pt_regs *regs = target->thread.kregs; - unsigned long __user *reg_window; - const unsigned long *k = kbuf; - const unsigned long __user *u = ubuf; - unsigned long reg; + u32 uregs[16]; + u32 psr; + int ret; if (target == current) flush_user_windows(); - pos /= sizeof(reg); - count /= sizeof(reg); - - if (kbuf) { - for (; count > 0 && pos < 16; count--) - regs->u_regs[pos++] = *k++; - - reg_window = (unsigned long __user *) regs->u_regs[UREG_I6]; - reg_window -= 16; - for (; count > 0 && pos < 32; count--) { - if (put_user(*k++, ®_window[pos++])) - return -EFAULT; - } - } else { - for (; count > 0 && pos < 16; count--) { - if (get_user(reg, u++)) - return -EFAULT; - regs->u_regs[pos++] = reg; - } - - reg_window = (unsigned long __user *) regs->u_regs[UREG_I6]; - reg_window -= 16; - for (; count > 0 && pos < 32; count--) { - if (get_user(reg, u++) || - put_user(reg, ®_window[pos++])) - return -EFAULT; - } - } - while (count > 0) { - unsigned long psr; + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, + regs->u_regs, + 0, 16 * sizeof(u32)); + if (ret || !count) + return ret; - if (kbuf) - reg = *k++; - else if (get_user(reg, u++)) + if (pos < 32 * sizeof(u32)) { + if (regwindow32_get(target, regs, uregs)) return -EFAULT; - - switch (pos) { - case 32: /* PSR */ - psr = regs->psr; - psr &= ~(PSR_ICC | PSR_SYSCALL); - psr |= (reg & (PSR_ICC | PSR_SYSCALL)); - regs->psr = psr; - break; - case 33: /* PC */ - regs->pc = reg; - break; - case 34: /* NPC */ - regs->npc = reg; - break; - case 35: /* Y */ - regs->y = reg; - break; - case 36: /* WIM */ - case 37: /* TBR */ - break; - default: - goto finish; - } - - pos++; - count--; + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, + uregs, + 16 * sizeof(u32), 32 * sizeof(u32)); + if (ret) + return ret; + if (regwindow32_set(target, regs, uregs)) + return -EFAULT; + if (!count) + return 0; } -finish: - pos *= sizeof(reg); - count *= sizeof(reg); - + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, + &psr, + 32 * sizeof(u32), 33 * sizeof(u32)); + if (ret) + return ret; + regs->psr = (regs->psr & ~(PSR_ICC | PSR_SYSCALL)) | + (psr & (PSR_ICC | PSR_SYSCALL)); + if (!count) + return 0; + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, + ®s->pc, + 33 * sizeof(u32), 34 * sizeof(u32)); + if (ret || !count) + return ret; + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, + ®s->y, + 34 * sizeof(u32), 35 * sizeof(u32)); + if (ret || !count) + return ret; return user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, - 38 * sizeof(reg), -1); + 35 * sizeof(u32), 38 * sizeof(u32)); } static int fpregs32_get(struct task_struct *target, diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c index e1d965e90e16..0c478c85e380 100644 --- a/arch/sparc/kernel/ptrace_64.c +++ b/arch/sparc/kernel/ptrace_64.c @@ -571,19 +571,13 @@ static int genregs32_get(struct task_struct *target, for (; count > 0 && pos < 32; count--) { if (access_process_vm(target, (unsigned long) - ®_window[pos], + ®_window[pos++], ®, sizeof(reg), FOLL_FORCE) != sizeof(reg)) return -EFAULT; - if (access_process_vm(target, - (unsigned long) u, - ®, sizeof(reg), - FOLL_FORCE | FOLL_WRITE) - != sizeof(reg)) + if (put_user(reg, u++)) return -EFAULT; - pos++; - u++; } } } @@ -683,12 +677,7 @@ static int genregs32_set(struct task_struct *target, } } else { for (; count > 0 && pos < 32; count--) { - if (access_process_vm(target, - (unsigned long) - u, - ®, sizeof(reg), - FOLL_FORCE) - != sizeof(reg)) + if (get_user(reg, u++)) return -EFAULT; if (access_process_vm(target, (unsigned long) diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S index 01d628ea3402..c6c4b877f3d2 100644 --- a/arch/x86/boot/compressed/head_32.S +++ b/arch/x86/boot/compressed/head_32.S @@ -49,16 +49,17 @@ * Position Independent Executable (PIE) so that linker won't optimize * R_386_GOT32X relocation to its fixed symbol address. Older * linkers generate R_386_32 relocations against locally defined symbols, - * _bss, _ebss, _got and _egot, in PIE. It isn't wrong, just less + * _bss, _ebss, _got, _egot and _end, in PIE. It isn't wrong, just less * optimal than R_386_RELATIVE. But the x86 kernel fails to properly handle * R_386_32 relocations when relocating the kernel. To generate - * R_386_RELATIVE relocations, we mark _bss, _ebss, _got and _egot as + * R_386_RELATIVE relocations, we mark _bss, _ebss, _got, _egot and _end as * hidden: */ .hidden _bss .hidden _ebss .hidden _got .hidden _egot + .hidden _end __HEAD ENTRY(startup_32) diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S index a25127916e67..7ab1c6bcc66a 100644 --- a/arch/x86/boot/compressed/head_64.S +++ b/arch/x86/boot/compressed/head_64.S @@ -41,6 +41,7 @@ .hidden _ebss .hidden _got .hidden _egot + .hidden _end __HEAD .code32 diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index 764cbf1774d9..e08866cd2287 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -291,6 +291,7 @@ #define X86_FEATURE_AMD_IBPB (13*32+12) /* "" Indirect Branch Prediction Barrier */ #define X86_FEATURE_AMD_IBRS (13*32+14) /* "" Indirect Branch Restricted Speculation */ #define X86_FEATURE_AMD_STIBP (13*32+15) /* "" Single Thread Indirect Branch Predictors */ +#define X86_FEATURE_AMD_STIBP_ALWAYS_ON (13*32+17) /* "" Single Thread Indirect Branch Predictors always-on preferred */ #define X86_FEATURE_AMD_SSBD (13*32+24) /* "" Speculative Store Bypass Disable */ #define X86_FEATURE_VIRT_SSBD (13*32+25) /* Virtualized Speculative Store Bypass Disable */ #define X86_FEATURE_AMD_SSB_NO (13*32+26) /* "" Speculative Store Bypass is fixed in hardware. */ diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h index b73a16a56e4f..041d2a04be1d 100644 --- a/arch/x86/include/asm/nospec-branch.h +++ b/arch/x86/include/asm/nospec-branch.h @@ -232,6 +232,7 @@ enum spectre_v2_mitigation { enum spectre_v2_user_mitigation { SPECTRE_V2_USER_NONE, SPECTRE_V2_USER_STRICT, + SPECTRE_V2_USER_STRICT_PREFERRED, SPECTRE_V2_USER_PRCTL, SPECTRE_V2_USER_SECCOMP, }; diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index 971830341061..82b0ff6cac97 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h @@ -711,7 +711,17 @@ extern struct movsl_mask { * checking before using them, but you have to surround them with the * user_access_begin/end() pair. */ -#define user_access_begin() __uaccess_begin() +static __must_check inline bool user_access_begin(int type, + const void __user *ptr, + size_t len) +{ + if (unlikely(!access_ok(type, ptr, len))) + return 0; + __uaccess_begin_nospec(); + return 1; +} + +#define user_access_begin(a, b, c) user_access_begin(a, b, c) #define user_access_end() __uaccess_end() #define unsafe_put_user(x, ptr, err_label) \ diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 1de9a3c404af..245184152892 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -61,7 +61,7 @@ static u64 __ro_after_init x86_spec_ctrl_mask = SPEC_CTRL_IBRS; u64 __ro_after_init x86_amd_ls_cfg_base; u64 __ro_after_init x86_amd_ls_cfg_ssbd_mask; -/* Control conditional STIPB in switch_to() */ +/* Control conditional STIBP in switch_to() */ DEFINE_STATIC_KEY_FALSE(switch_to_cond_stibp); /* Control conditional IBPB in switch_mm() */ DEFINE_STATIC_KEY_FALSE(switch_mm_cond_ibpb); @@ -581,7 +581,9 @@ early_param("nospectre_v1", nospectre_v1_cmdline); static enum spectre_v2_mitigation spectre_v2_enabled __ro_after_init = SPECTRE_V2_NONE; -static enum spectre_v2_user_mitigation spectre_v2_user __ro_after_init = +static enum spectre_v2_user_mitigation spectre_v2_user_stibp __ro_after_init = + SPECTRE_V2_USER_NONE; +static enum spectre_v2_user_mitigation spectre_v2_user_ibpb __ro_after_init = SPECTRE_V2_USER_NONE; #ifdef CONFIG_RETPOLINE @@ -633,10 +635,11 @@ enum spectre_v2_user_cmd { }; static const char * const spectre_v2_user_strings[] = { - [SPECTRE_V2_USER_NONE] = "User space: Vulnerable", - [SPECTRE_V2_USER_STRICT] = "User space: Mitigation: STIBP protection", - [SPECTRE_V2_USER_PRCTL] = "User space: Mitigation: STIBP via prctl", - [SPECTRE_V2_USER_SECCOMP] = "User space: Mitigation: STIBP via seccomp and prctl", + [SPECTRE_V2_USER_NONE] = "User space: Vulnerable", + [SPECTRE_V2_USER_STRICT] = "User space: Mitigation: STIBP protection", + [SPECTRE_V2_USER_STRICT_PREFERRED] = "User space: Mitigation: STIBP always-on protection", + [SPECTRE_V2_USER_PRCTL] = "User space: Mitigation: STIBP via prctl", + [SPECTRE_V2_USER_SECCOMP] = "User space: Mitigation: STIBP via seccomp and prctl", }; static const struct { @@ -748,23 +751,36 @@ spectre_v2_user_select_mitigation(enum spectre_v2_mitigation_cmd v2_cmd) pr_info("mitigation: Enabling %s Indirect Branch Prediction Barrier\n", static_key_enabled(&switch_mm_always_ibpb) ? "always-on" : "conditional"); + + spectre_v2_user_ibpb = mode; } - /* If enhanced IBRS is enabled no STIPB required */ - if (spectre_v2_enabled == SPECTRE_V2_IBRS_ENHANCED) + /* + * If enhanced IBRS is enabled or SMT impossible, STIBP is not + * required. + */ + if (!smt_possible || spectre_v2_enabled == SPECTRE_V2_IBRS_ENHANCED) return; /* - * If SMT is not possible or STIBP is not available clear the STIPB - * mode. + * At this point, an STIBP mode other than "off" has been set. + * If STIBP support is not being forced, check if STIBP always-on + * is preferred. */ - if (!smt_possible || !boot_cpu_has(X86_FEATURE_STIBP)) + if (mode != SPECTRE_V2_USER_STRICT && + boot_cpu_has(X86_FEATURE_AMD_STIBP_ALWAYS_ON)) + mode = SPECTRE_V2_USER_STRICT_PREFERRED; + + /* + * If STIBP is not available, clear the STIBP mode. + */ + if (!boot_cpu_has(X86_FEATURE_STIBP)) mode = SPECTRE_V2_USER_NONE; + + spectre_v2_user_stibp = mode; + set_mode: - spectre_v2_user = mode; - /* Only print the STIBP mode when SMT possible */ - if (smt_possible) - pr_info("%s\n", spectre_v2_user_strings[mode]); + pr_info("%s\n", spectre_v2_user_strings[mode]); } static const char * const spectre_v2_strings[] = { @@ -995,10 +1011,11 @@ void arch_smt_update(void) { mutex_lock(&spec_ctrl_mutex); - switch (spectre_v2_user) { + switch (spectre_v2_user_stibp) { case SPECTRE_V2_USER_NONE: break; case SPECTRE_V2_USER_STRICT: + case SPECTRE_V2_USER_STRICT_PREFERRED: update_stibp_strict(); break; case SPECTRE_V2_USER_PRCTL: @@ -1227,13 +1244,19 @@ static int ib_prctl_set(struct task_struct *task, unsigned long ctrl) { switch (ctrl) { case PR_SPEC_ENABLE: - if (spectre_v2_user == SPECTRE_V2_USER_NONE) + if (spectre_v2_user_ibpb == SPECTRE_V2_USER_NONE && + spectre_v2_user_stibp == SPECTRE_V2_USER_NONE) return 0; /* * Indirect branch speculation is always disabled in strict - * mode. + * mode. It can neither be enabled if it was force-disabled + * by a previous prctl call. + */ - if (spectre_v2_user == SPECTRE_V2_USER_STRICT) + if (spectre_v2_user_ibpb == SPECTRE_V2_USER_STRICT || + spectre_v2_user_stibp == SPECTRE_V2_USER_STRICT || + spectre_v2_user_stibp == SPECTRE_V2_USER_STRICT_PREFERRED || + task_spec_ib_force_disable(task)) return -EPERM; task_clear_spec_ib_disable(task); task_update_spec_tif(task); @@ -1244,9 +1267,12 @@ static int ib_prctl_set(struct task_struct *task, unsigned long ctrl) * Indirect branch speculation is always allowed when * mitigation is force disabled. */ - if (spectre_v2_user == SPECTRE_V2_USER_NONE) + if (spectre_v2_user_ibpb == SPECTRE_V2_USER_NONE && + spectre_v2_user_stibp == SPECTRE_V2_USER_NONE) return -EPERM; - if (spectre_v2_user == SPECTRE_V2_USER_STRICT) + if (spectre_v2_user_ibpb == SPECTRE_V2_USER_STRICT || + spectre_v2_user_stibp == SPECTRE_V2_USER_STRICT || + spectre_v2_user_stibp == SPECTRE_V2_USER_STRICT_PREFERRED) return 0; task_set_spec_ib_disable(task); if (ctrl == PR_SPEC_FORCE_DISABLE) @@ -1277,7 +1303,8 @@ void arch_seccomp_spec_mitigate(struct task_struct *task) { if (ssb_mode == SPEC_STORE_BYPASS_SECCOMP) ssb_prctl_set(task, PR_SPEC_FORCE_DISABLE); - if (spectre_v2_user == SPECTRE_V2_USER_SECCOMP) + if (spectre_v2_user_ibpb == SPECTRE_V2_USER_SECCOMP || + spectre_v2_user_stibp == SPECTRE_V2_USER_SECCOMP) ib_prctl_set(task, PR_SPEC_FORCE_DISABLE); } #endif @@ -1306,21 +1333,24 @@ static int ib_prctl_get(struct task_struct *task) if (!boot_cpu_has_bug(X86_BUG_SPECTRE_V2)) return PR_SPEC_NOT_AFFECTED; - switch (spectre_v2_user) { - case SPECTRE_V2_USER_NONE: + if (spectre_v2_user_ibpb == SPECTRE_V2_USER_NONE && + spectre_v2_user_stibp == SPECTRE_V2_USER_NONE) return PR_SPEC_ENABLE; - case SPECTRE_V2_USER_PRCTL: - case SPECTRE_V2_USER_SECCOMP: + else if (spectre_v2_user_ibpb == SPECTRE_V2_USER_STRICT || + spectre_v2_user_stibp == SPECTRE_V2_USER_STRICT || + spectre_v2_user_stibp == SPECTRE_V2_USER_STRICT_PREFERRED) + return PR_SPEC_DISABLE; + else if (spectre_v2_user_ibpb == SPECTRE_V2_USER_PRCTL || + spectre_v2_user_ibpb == SPECTRE_V2_USER_SECCOMP || + spectre_v2_user_stibp == SPECTRE_V2_USER_PRCTL || + spectre_v2_user_stibp == SPECTRE_V2_USER_SECCOMP) { if (task_spec_ib_force_disable(task)) return PR_SPEC_PRCTL | PR_SPEC_FORCE_DISABLE; if (task_spec_ib_disable(task)) return PR_SPEC_PRCTL | PR_SPEC_DISABLE; return PR_SPEC_PRCTL | PR_SPEC_ENABLE; - case SPECTRE_V2_USER_STRICT: - return PR_SPEC_DISABLE; - default: + } else return PR_SPEC_NOT_AFFECTED; - } } int arch_prctl_spec_ctrl_get(struct task_struct *task, unsigned long which) @@ -1559,11 +1589,13 @@ static char *stibp_state(void) if (spectre_v2_enabled == SPECTRE_V2_IBRS_ENHANCED) return ""; - switch (spectre_v2_user) { + switch (spectre_v2_user_stibp) { case SPECTRE_V2_USER_NONE: return ", STIBP: disabled"; case SPECTRE_V2_USER_STRICT: return ", STIBP: forced"; + case SPECTRE_V2_USER_STRICT_PREFERRED: + return ", STIBP: always-on"; case SPECTRE_V2_USER_PRCTL: case SPECTRE_V2_USER_SECCOMP: if (static_key_enabled(&switch_to_cond_stibp)) diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index d2ef967bfafb..a07b09f68e7e 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -414,28 +414,20 @@ static __always_inline void __speculation_ctrl_update(unsigned long tifp, u64 msr = x86_spec_ctrl_base; bool updmsr = false; - /* - * If TIF_SSBD is different, select the proper mitigation - * method. Note that if SSBD mitigation is disabled or permanentely - * enabled this branch can't be taken because nothing can set - * TIF_SSBD. - */ - if (tif_diff & _TIF_SSBD) { - if (static_cpu_has(X86_FEATURE_VIRT_SSBD)) { + /* Handle change of TIF_SSBD depending on the mitigation method. */ + if (static_cpu_has(X86_FEATURE_VIRT_SSBD)) { + if (tif_diff & _TIF_SSBD) amd_set_ssb_virt_state(tifn); - } else if (static_cpu_has(X86_FEATURE_LS_CFG_SSBD)) { + } else if (static_cpu_has(X86_FEATURE_LS_CFG_SSBD)) { + if (tif_diff & _TIF_SSBD) amd_set_core_ssb_state(tifn); - } else if (static_cpu_has(X86_FEATURE_SPEC_CTRL_SSBD) || - static_cpu_has(X86_FEATURE_AMD_SSBD)) { - msr |= ssbd_tif_to_spec_ctrl(tifn); - updmsr = true; - } + } else if (static_cpu_has(X86_FEATURE_SPEC_CTRL_SSBD) || + static_cpu_has(X86_FEATURE_AMD_SSBD)) { + updmsr |= !!(tif_diff & _TIF_SSBD); + msr |= ssbd_tif_to_spec_ctrl(tifn); } - /* - * Only evaluate TIF_SPEC_IB if conditional STIBP is enabled, - * otherwise avoid the MSR write. - */ + /* Only evaluate TIF_SPEC_IB if conditional STIBP is enabled. */ if (IS_ENABLED(CONFIG_SMP) && static_branch_unlikely(&switch_to_cond_stibp)) { updmsr |= !!(tif_diff & _TIF_SPEC_IB); diff --git a/arch/x86/kernel/process.h b/arch/x86/kernel/process.h index 898e97cf6629..320ab978fb1f 100644 --- a/arch/x86/kernel/process.h +++ b/arch/x86/kernel/process.h @@ -19,7 +19,7 @@ static inline void switch_to_extra(struct task_struct *prev, if (IS_ENABLED(CONFIG_SMP)) { /* * Avoid __switch_to_xtra() invocation when conditional - * STIPB is disabled and the only different bit is + * STIBP is disabled and the only different bit is * TIF_SPEC_IB. For CONFIG_SMP=n TIF_SPEC_IB is not * in the TIF_WORK_CTXSW masks. */ diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index c663d5fcff2e..b7663a1f89ee 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -197,6 +197,14 @@ static const struct dmi_system_id reboot_dmi_table[] __initconst = { DMI_MATCH(DMI_PRODUCT_NAME, "MacBook5"), }, }, + { /* Handle problems with rebooting on Apple MacBook6,1 */ + .callback = set_pci_reboot, + .ident = "Apple MacBook6,1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook6,1"), + }, + }, { /* Handle problems with rebooting on Apple MacBookPro5 */ .callback = set_pci_reboot, .ident = "Apple MacBookPro5", diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c index ab0176ae985b..12f90f17f4f6 100644 --- a/arch/x86/kernel/time.c +++ b/arch/x86/kernel/time.c @@ -24,10 +24,6 @@ #include #include -#ifdef CONFIG_X86_64 -__visible volatile unsigned long jiffies __cacheline_aligned_in_smp = INITIAL_JIFFIES; -#endif - unsigned long profile_pc(struct pt_regs *regs) { unsigned long pc = instruction_pointer(regs); diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index 2384a2ae5ec3..8d8e33b720b4 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S @@ -36,13 +36,13 @@ OUTPUT_FORMAT(CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT) #ifdef CONFIG_X86_32 OUTPUT_ARCH(i386) ENTRY(phys_startup_32) -jiffies = jiffies_64; #else OUTPUT_ARCH(i386:x86-64) ENTRY(phys_startup_64) -jiffies_64 = jiffies; #endif +jiffies = jiffies_64; + #if defined(CONFIG_X86_64) /* * On 64-bit, align RODATA to 2MB so we retain large page mappings for diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index e5af08b58132..7220ab210dcf 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -275,11 +275,18 @@ static bool is_executable_pte(u64 spte); void kvm_mmu_set_mmio_spte_mask(u64 mmio_mask, u64 mmio_value) { BUG_ON((mmio_mask & mmio_value) != mmio_value); + WARN_ON(mmio_value & (shadow_nonpresent_or_rsvd_mask << shadow_nonpresent_or_rsvd_mask_len)); + WARN_ON(mmio_value & shadow_nonpresent_or_rsvd_lower_gfn_mask); shadow_mmio_value = mmio_value | SPTE_SPECIAL_MASK; shadow_mmio_mask = mmio_mask | SPTE_SPECIAL_MASK; } EXPORT_SYMBOL_GPL(kvm_mmu_set_mmio_spte_mask); +static bool is_mmio_spte(u64 spte) +{ + return (spte & shadow_mmio_mask) == shadow_mmio_value; +} + static inline bool sp_ad_disabled(struct kvm_mmu_page *sp) { return sp->role.ad_disabled; @@ -287,7 +294,7 @@ static inline bool sp_ad_disabled(struct kvm_mmu_page *sp) static inline bool spte_ad_enabled(u64 spte) { - MMU_WARN_ON((spte & shadow_mmio_mask) == shadow_mmio_value); + MMU_WARN_ON(is_mmio_spte(spte)); return !(spte & shadow_acc_track_value); } @@ -298,13 +305,13 @@ static bool is_nx_huge_page_enabled(void) static inline u64 spte_shadow_accessed_mask(u64 spte) { - MMU_WARN_ON((spte & shadow_mmio_mask) == shadow_mmio_value); + MMU_WARN_ON(is_mmio_spte(spte)); return spte_ad_enabled(spte) ? shadow_accessed_mask : 0; } static inline u64 spte_shadow_dirty_mask(u64 spte) { - MMU_WARN_ON((spte & shadow_mmio_mask) == shadow_mmio_value); + MMU_WARN_ON(is_mmio_spte(spte)); return spte_ad_enabled(spte) ? shadow_dirty_mask : 0; } @@ -374,11 +381,6 @@ static void mark_mmio_spte(struct kvm_vcpu *vcpu, u64 *sptep, u64 gfn, mmu_spte_set(sptep, mask); } -static bool is_mmio_spte(u64 spte) -{ - return (spte & shadow_mmio_mask) == shadow_mmio_value; -} - static gfn_t get_mmio_spte_gfn(u64 spte) { u64 gpa = spte & shadow_nonpresent_or_rsvd_lower_gfn_mask; @@ -460,16 +462,23 @@ static void kvm_mmu_reset_all_pte_masks(void) * If the CPU has 46 or less physical address bits, then set an * appropriate mask to guard against L1TF attacks. Otherwise, it is * assumed that the CPU is not vulnerable to L1TF. + * + * Some Intel CPUs address the L1 cache using more PA bits than are + * reported by CPUID. Use the PA width of the L1 cache when possible + * to achieve more effective mitigation, e.g. if system RAM overlaps + * the most significant bits of legal physical address space. */ + shadow_nonpresent_or_rsvd_mask = 0; low_phys_bits = boot_cpu_data.x86_phys_bits; - if (boot_cpu_data.x86_phys_bits < - 52 - shadow_nonpresent_or_rsvd_mask_len) { + if (boot_cpu_has_bug(X86_BUG_L1TF) && + !WARN_ON_ONCE(boot_cpu_data.x86_cache_bits >= + 52 - shadow_nonpresent_or_rsvd_mask_len)) { + low_phys_bits = boot_cpu_data.x86_cache_bits + - shadow_nonpresent_or_rsvd_mask_len; shadow_nonpresent_or_rsvd_mask = - rsvd_bits(boot_cpu_data.x86_phys_bits - - shadow_nonpresent_or_rsvd_mask_len, - boot_cpu_data.x86_phys_bits - 1); - low_phys_bits -= shadow_nonpresent_or_rsvd_mask_len; + rsvd_bits(low_phys_bits, boot_cpu_data.x86_cache_bits - 1); } + shadow_nonpresent_or_rsvd_lower_gfn_mask = GENMASK_ULL(low_phys_bits - 1, PAGE_SHIFT); } diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index d63621386418..78826d123fb8 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -2757,8 +2757,8 @@ static int nested_svm_exit_special(struct vcpu_svm *svm) return NESTED_EXIT_HOST; break; case SVM_EXIT_EXCP_BASE + PF_VECTOR: - /* When we're shadowing, trap PFs, but not async PF */ - if (!npt_enabled && svm->vcpu.arch.apf.host_apf_reason == 0) + /* Trap async PF even if not shadowing */ + if (!npt_enabled || svm->vcpu.arch.apf.host_apf_reason) return NESTED_EXIT_HOST; break; default: @@ -2847,7 +2847,7 @@ static inline void copy_vmcb_control_area(struct vmcb *dst_vmcb, struct vmcb *fr dst->iopm_base_pa = from->iopm_base_pa; dst->msrpm_base_pa = from->msrpm_base_pa; dst->tsc_offset = from->tsc_offset; - dst->asid = from->asid; + /* asid not copied, it is handled manually for svm->vmcb. */ dst->tlb_ctl = from->tlb_ctl; dst->int_ctl = from->int_ctl; dst->int_vector = from->int_vector; diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 133b9b25e7c5..42c6ca05a613 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -8711,7 +8711,7 @@ static bool nested_vmx_exit_reflected(struct kvm_vcpu *vcpu, u32 exit_reason) vmcs_read32(VM_EXIT_INTR_ERROR_CODE), KVM_ISA_VMX); - switch (exit_reason) { + switch ((u16)exit_reason) { case EXIT_REASON_EXCEPTION_NMI: if (is_nmi(intr_info)) return false; diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 32bb38f6fc18..8039a951db8f 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -112,8 +112,6 @@ __ref void *alloc_low_pages(unsigned int num) } else { pfn = pgt_buf_end; pgt_buf_end += num; - printk(KERN_DEBUG "BRK [%#010lx, %#010lx] PGTABLE\n", - pfn << PAGE_SHIFT, (pgt_buf_end << PAGE_SHIFT) - 1); } for (i = 0; i < num; i++) { diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c index 33e9b4f1ce20..c177da94fc79 100644 --- a/arch/x86/pci/fixup.c +++ b/arch/x86/pci/fixup.c @@ -572,6 +572,10 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x2fc0, pci_invalid_bar); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6f60, pci_invalid_bar); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fa0, pci_invalid_bar); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fc0, pci_invalid_bar); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0xa1ec, pci_invalid_bar); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0xa1ed, pci_invalid_bar); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0xa26c, pci_invalid_bar); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0xa26d, pci_invalid_bar); /* * Device [1022:7808] diff --git a/block/blk-mq.c b/block/blk-mq.c index 9d53f476c517..cf56bdad2e06 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -2738,6 +2738,10 @@ static void __blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set, list_for_each_entry(q, &set->tag_list, tag_set_list) blk_mq_freeze_queue(q); + /* + * Sync with blk_mq_queue_tag_busy_iter. + */ + synchronize_rcu(); set->nr_hw_queues = nr_hw_queues; blk_mq_update_queue_map(set); @@ -2748,10 +2752,6 @@ static void __blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set, list_for_each_entry(q, &set->tag_list, tag_set_list) blk_mq_unfreeze_queue(q); - /* - * Sync with blk_mq_queue_tag_busy_iter. - */ - synchronize_rcu(); } void blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set, int nr_hw_queues) diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index 7bf1948b1223..732549ee1fe3 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -800,6 +800,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr) "acpi_cppc"); if (ret) { per_cpu(cpc_desc_ptr, pr->id) = NULL; + kobject_put(&cpc_ptr->kobj); goto out_free; } diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index afb1bc104a6f..6681174caf84 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -172,7 +172,7 @@ int acpi_device_set_power(struct acpi_device *device, int state) * possibly drop references to the power resources in use. */ state = ACPI_STATE_D3_HOT; - /* If _PR3 is not available, use D3hot as the target state. */ + /* If D3cold is not supported, use D3hot as the target state. */ if (!device->power.states[ACPI_STATE_D3_COLD].flags.valid) target_state = state; } else if (!device->power.states[state].flags.valid) { diff --git a/drivers/acpi/evged.c b/drivers/acpi/evged.c index 46f060356a22..339e6d3dba7c 100644 --- a/drivers/acpi/evged.c +++ b/drivers/acpi/evged.c @@ -82,6 +82,8 @@ static acpi_status acpi_ged_request_interrupt(struct acpi_resource *ares, struct resource r; struct acpi_resource_irq *p = &ares->data.irq; struct acpi_resource_extended_irq *pext = &ares->data.extended_irq; + char ev_name[5]; + u8 trigger; if (ares->type == ACPI_RESOURCE_TYPE_END_TAG) return AE_OK; @@ -90,14 +92,28 @@ static acpi_status acpi_ged_request_interrupt(struct acpi_resource *ares, dev_err(dev, "unable to parse IRQ resource\n"); return AE_ERROR; } - if (ares->type == ACPI_RESOURCE_TYPE_IRQ) + if (ares->type == ACPI_RESOURCE_TYPE_IRQ) { gsi = p->interrupts[0]; - else + trigger = p->triggering; + } else { gsi = pext->interrupts[0]; + trigger = pext->triggering; + } irq = r.start; - if (ACPI_FAILURE(acpi_get_handle(handle, "_EVT", &evt_handle))) { + switch (gsi) { + case 0 ... 255: + sprintf(ev_name, "_%c%02hhX", + trigger == ACPI_EDGE_SENSITIVE ? 'E' : 'L', gsi); + + if (ACPI_SUCCESS(acpi_get_handle(handle, ev_name, &evt_handle))) + break; + /* fall through */ + default: + if (ACPI_SUCCESS(acpi_get_handle(handle, "_EVT", &evt_handle))) + break; + dev_err(dev, "cannot locate _EVT method\n"); return AE_ERROR; } diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 2eddbb1fae6a..8bc1a778b3a4 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -920,12 +920,9 @@ static void acpi_bus_init_power_state(struct acpi_device *device, int state) if (buffer.length && package && package->type == ACPI_TYPE_PACKAGE - && package->package.count) { - int err = acpi_extract_power_resources(package, 0, - &ps->resources); - if (!err) - device->power.flags.power_resources = 1; - } + && package->package.count) + acpi_extract_power_resources(package, 0, &ps->resources); + ACPI_FREE(buffer.pointer); } @@ -972,14 +969,27 @@ static void acpi_bus_get_power_flags(struct acpi_device *device) acpi_bus_init_power_state(device, i); INIT_LIST_HEAD(&device->power.states[ACPI_STATE_D3_COLD].resources); - if (!list_empty(&device->power.states[ACPI_STATE_D3_HOT].resources)) - device->power.states[ACPI_STATE_D3_COLD].flags.valid = 1; - /* Set defaults for D0 and D3hot states (always valid) */ + /* Set the defaults for D0 and D3hot (always supported). */ device->power.states[ACPI_STATE_D0].flags.valid = 1; device->power.states[ACPI_STATE_D0].power = 100; device->power.states[ACPI_STATE_D3_HOT].flags.valid = 1; + /* + * Use power resources only if the D0 list of them is populated, because + * some platforms may provide _PR3 only to indicate D3cold support and + * in those cases the power resources list returned by it may be bogus. + */ + if (!list_empty(&device->power.states[ACPI_STATE_D0].resources)) { + device->power.flags.power_resources = 1; + /* + * D3cold is supported if the D3hot list of power resources is + * not empty. + */ + if (!list_empty(&device->power.states[ACPI_STATE_D3_HOT].resources)) + device->power.states[ACPI_STATE_D3_COLD].flags.valid = 1; + } + if (acpi_bus_init_power(device)) device->flags.power_manageable = 0; } diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index 0fd57bf33524..a663014cfa52 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -997,8 +997,10 @@ void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug, error = kobject_init_and_add(&hotplug->kobj, &acpi_hotplug_profile_ktype, hotplug_kobj, "%s", name); - if (error) + if (error) { + kobject_put(&hotplug->kobj); goto err_out; + } kobject_uevent(&hotplug->kobj, KOBJ_ADD); return; diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index dde7caac7f9f..7516ba981b63 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -846,6 +846,7 @@ void intel_gtt_insert_page(dma_addr_t addr, unsigned int flags) { intel_private.driver->write_entry(addr, pg, flags); + readl(intel_private.gtt + pg); if (intel_private.driver->chipset_flush) intel_private.driver->chipset_flush(); } @@ -871,7 +872,7 @@ void intel_gtt_insert_sg_entries(struct sg_table *st, j++; } } - wmb(); + readl(intel_private.gtt + j - 1); if (intel_private.driver->chipset_flush) intel_private.driver->chipset_flush(); } @@ -1105,6 +1106,7 @@ static void i9xx_cleanup(void) static void i9xx_chipset_flush(void) { + wmb(); if (intel_private.i9xx_flush_page) writel(1, intel_private.i9xx_flush_page); } diff --git a/drivers/clocksource/dw_apb_timer.c b/drivers/clocksource/dw_apb_timer.c index 1f5f734e4919..a018199575e3 100644 --- a/drivers/clocksource/dw_apb_timer.c +++ b/drivers/clocksource/dw_apb_timer.c @@ -225,7 +225,8 @@ static int apbt_next_event(unsigned long delta, /** * dw_apb_clockevent_init() - use an APB timer as a clock_event_device * - * @cpu: The CPU the events will be targeted at. + * @cpu: The CPU the events will be targeted at or -1 if CPU affiliation + * isn't required. * @name: The name used for the timer and the IRQ for it. * @rating: The rating to give the timer. * @base: I/O base for the timer registers. @@ -260,7 +261,7 @@ dw_apb_clockevent_init(int cpu, const char *name, unsigned rating, dw_ced->ced.max_delta_ticks = 0x7fffffff; dw_ced->ced.min_delta_ns = clockevent_delta2ns(5000, &dw_ced->ced); dw_ced->ced.min_delta_ticks = 5000; - dw_ced->ced.cpumask = cpumask_of(cpu); + dw_ced->ced.cpumask = cpu < 0 ? cpu_possible_mask : cpumask_of(cpu); dw_ced->ced.features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_DYNIRQ; dw_ced->ced.set_state_shutdown = apbt_shutdown; diff --git a/drivers/clocksource/dw_apb_timer_of.c b/drivers/clocksource/dw_apb_timer_of.c index 69866cd8f4bb..3e4d0e5733d3 100644 --- a/drivers/clocksource/dw_apb_timer_of.c +++ b/drivers/clocksource/dw_apb_timer_of.c @@ -146,10 +146,6 @@ static int num_called; static int __init dw_apb_timer_init(struct device_node *timer) { switch (num_called) { - case 0: - pr_debug("%s: found clockevent timer\n", __func__); - add_clockevent(timer); - break; case 1: pr_debug("%s: found clocksource timer\n", __func__); add_clocksource(timer); @@ -160,6 +156,8 @@ static int __init dw_apb_timer_init(struct device_node *timer) #endif break; default: + pr_debug("%s: found clockevent timer\n", __func__); + add_clockevent(timer); break; } diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c index ae948b1da93a..909bd2255978 100644 --- a/drivers/cpuidle/sysfs.c +++ b/drivers/cpuidle/sysfs.c @@ -414,7 +414,7 @@ static int cpuidle_add_state_sysfs(struct cpuidle_device *device) ret = kobject_init_and_add(&kobj->kobj, &ktype_state_cpuidle, &kdev->kobj, "state%d", i); if (ret) { - kfree(kobj); + kobject_put(&kobj->kobj); goto error_state; } kobject_uevent(&kobj->kobj, KOBJ_ADD); @@ -544,7 +544,7 @@ static int cpuidle_add_driver_sysfs(struct cpuidle_device *dev) ret = kobject_init_and_add(&kdrv->kobj, &ktype_driver_cpuidle, &kdev->kobj, "driver"); if (ret) { - kfree(kdrv); + kobject_put(&kdrv->kobj); return ret; } @@ -638,7 +638,7 @@ int cpuidle_add_sysfs(struct cpuidle_device *dev) error = kobject_init_and_add(&kdev->kobj, &ktype_cpuidle, &cpu_dev->kobj, "cpuidle"); if (error) { - kfree(kdev); + kobject_put(&kdev->kobj); return error; } diff --git a/drivers/crypto/cavium/nitrox/nitrox_main.c b/drivers/crypto/cavium/nitrox/nitrox_main.c index fee7cb2ce747..a81f3c7e941d 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_main.c +++ b/drivers/crypto/cavium/nitrox/nitrox_main.c @@ -183,7 +183,7 @@ static void nitrox_remove_from_devlist(struct nitrox_device *ndev) struct nitrox_device *nitrox_get_first_device(void) { - struct nitrox_device *ndev = NULL; + struct nitrox_device *ndev; mutex_lock(&devlist_lock); list_for_each_entry(ndev, &ndevlist, list) { @@ -191,7 +191,7 @@ struct nitrox_device *nitrox_get_first_device(void) break; } mutex_unlock(&devlist_lock); - if (!ndev) + if (&ndev->list == &ndevlist) return NULL; refcount_inc(&ndev->refcnt); diff --git a/drivers/crypto/ccp/Kconfig b/drivers/crypto/ccp/Kconfig index 6d626606b9c5..898dcf3200c3 100644 --- a/drivers/crypto/ccp/Kconfig +++ b/drivers/crypto/ccp/Kconfig @@ -8,10 +8,9 @@ config CRYPTO_DEV_CCP_DD config CRYPTO_DEV_SP_CCP bool "Cryptographic Coprocessor device" default y - depends on CRYPTO_DEV_CCP_DD + depends on CRYPTO_DEV_CCP_DD && DMADEVICES select HW_RANDOM select DMA_ENGINE - select DMADEVICES select CRYPTO_SHA1 select CRYPTO_SHA256 help diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c index 8d39f3a07bf8..99c3827855c7 100644 --- a/drivers/crypto/chelsio/chcr_algo.c +++ b/drivers/crypto/chelsio/chcr_algo.c @@ -2201,7 +2201,7 @@ static void fill_sec_cpl_for_aead(struct cpl_tx_sec_pdu *sec_cpl, unsigned int mac_mode = CHCR_SCMD_AUTH_MODE_CBCMAC; unsigned int c_id = chcrctx->dev->rx_channel_id; unsigned int ccm_xtra; - unsigned char tag_offset = 0, auth_offset = 0; + unsigned int tag_offset = 0, auth_offset = 0; unsigned int assoclen; if (get_aead_subtype(tfm) == CRYPTO_ALG_SUB_TYPE_AEAD_RFC4309) diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c index fef2b306cdee..6c8a03a1132f 100644 --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -2636,7 +2636,6 @@ static struct talitos_alg_template driver_algs[] = { .cra_ablkcipher = { .min_keysize = AES_MIN_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, } }, .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU | @@ -2670,6 +2669,7 @@ static struct talitos_alg_template driver_algs[] = { .cra_ablkcipher = { .min_keysize = AES_MIN_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, .setkey = ablkcipher_aes_setkey, } }, diff --git a/drivers/crypto/virtio/virtio_crypto_algs.c b/drivers/crypto/virtio/virtio_crypto_algs.c index e2231a1a05a1..e6b889ce395e 100644 --- a/drivers/crypto/virtio/virtio_crypto_algs.c +++ b/drivers/crypto/virtio/virtio_crypto_algs.c @@ -354,13 +354,18 @@ __virtio_crypto_ablkcipher_do_req(struct virtio_crypto_sym_request *vc_sym_req, int err; unsigned long flags; struct scatterlist outhdr, iv_sg, status_sg, **sgs; - int i; u64 dst_len; unsigned int num_out = 0, num_in = 0; int sg_total; uint8_t *iv; + struct scatterlist *sg; src_nents = sg_nents_for_len(req->src, req->nbytes); + if (src_nents < 0) { + pr_err("Invalid number of src SG.\n"); + return src_nents; + } + dst_nents = sg_nents(req->dst); pr_debug("virtio_crypto: Number of sgs (src_nents: %d, dst_nents: %d)\n", @@ -406,6 +411,7 @@ __virtio_crypto_ablkcipher_do_req(struct virtio_crypto_sym_request *vc_sym_req, goto free; } + dst_len = min_t(unsigned int, req->nbytes, dst_len); pr_debug("virtio_crypto: src_len: %u, dst_len: %llu\n", req->nbytes, dst_len); @@ -441,12 +447,12 @@ __virtio_crypto_ablkcipher_do_req(struct virtio_crypto_sym_request *vc_sym_req, vc_sym_req->iv = iv; /* Source data */ - for (i = 0; i < src_nents; i++) - sgs[num_out++] = &req->src[i]; + for (sg = req->src; src_nents; sg = sg_next(sg), src_nents--) + sgs[num_out++] = sg; /* Destination data */ - for (i = 0; i < dst_nents; i++) - sgs[num_out + num_in++] = &req->dst[i]; + for (sg = req->dst; sg; sg = sg_next(sg)) + sgs[num_out + num_in++] = sg; /* Status */ sg_init_one(&status_sg, &vc_req->status, sizeof(vc_req->status)); @@ -569,10 +575,11 @@ static void virtio_crypto_ablkcipher_finalize_req( struct ablkcipher_request *req, int err) { - crypto_finalize_cipher_request(vc_sym_req->base.dataq->engine, - req, err); kzfree(vc_sym_req->iv); virtcrypto_clear_request(&vc_sym_req->base); + + crypto_finalize_cipher_request(vc_sym_req->base.dataq->engine, + req, err); } static struct crypto_alg virtio_crypto_algs[] = { { diff --git a/drivers/firmware/efi/efivars.c b/drivers/firmware/efi/efivars.c index 1c65f5ac4368..6529addd1e82 100644 --- a/drivers/firmware/efi/efivars.c +++ b/drivers/firmware/efi/efivars.c @@ -586,8 +586,10 @@ efivar_create_sysfs_entry(struct efivar_entry *new_var) ret = kobject_init_and_add(&new_var->kobj, &efivar_ktype, NULL, "%s", short_name); kfree(short_name); - if (ret) + if (ret) { + kobject_put(&new_var->kobj); return ret; + } kobject_uevent(&new_var->kobj, KOBJ_ADD); if (efivar_entry_add(new_var, &efivar_sysfs_list)) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 4894d8a87c04..ae23f7e0290c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -728,7 +728,6 @@ static int amdgpu_pmops_runtime_suspend(struct device *dev) drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; drm_kms_helper_poll_disable(drm_dev); - vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF); ret = amdgpu_device_suspend(drm_dev, false, false); pci_save_state(pdev); @@ -765,7 +764,6 @@ static int amdgpu_pmops_runtime_resume(struct device *dev) ret = amdgpu_device_resume(drm_dev, false, false); drm_kms_helper_poll_enable(drm_dev); - vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON); drm_dev->switch_power_state = DRM_SWITCH_POWER_ON; return 0; } diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c index 67469c26bae8..45a027d7a1e4 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c @@ -20,13 +20,15 @@ static void adv7511_calc_cts_n(unsigned int f_tmds, unsigned int fs, { switch (fs) { case 32000: - *n = 4096; + case 48000: + case 96000: + case 192000: + *n = fs * 128 / 1000; break; case 44100: - *n = 6272; - break; - case 48000: - *n = 6144; + case 88200: + case 176400: + *n = fs * 128 / 900; break; } diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index d99d05a91032..bf13299ebb55 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -1566,7 +1566,9 @@ static int eb_copy_relocations(const struct i915_execbuffer *eb) * happened we would make the mistake of assuming that the * relocations were valid. */ - user_access_begin(); + if (!user_access_begin(VERIFY_WRITE, urelocs, size)) + goto end_user; + for (copied = 0; copied < nreloc; copied++) unsafe_put_user(-1, &urelocs[copied].presumed_offset, @@ -2601,6 +2603,7 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data, struct drm_i915_gem_execbuffer2 *args = data; struct drm_i915_gem_exec_object2 *exec2_list; struct drm_syncobj **fences = NULL; + const size_t count = args->buffer_count; int err; if (args->buffer_count < 1 || args->buffer_count > SIZE_MAX / sz - 1) { @@ -2649,7 +2652,17 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data, unsigned int i; /* Copy the new buffer offsets back to the user's exec list. */ - user_access_begin(); + /* + * Note: count * sizeof(*user_exec_list) does not overflow, + * because we checked 'count' in check_buffer_count(). + * + * And this range already got effectively checked earlier + * when we did the "copy_from_user()" above. + */ + if (!user_access_begin(VERIFY_WRITE, user_exec_list, + count * sizeof(*user_exec_list))) + goto end_user; + for (i = 0; i < args->buffer_count; i++) { if (!(exec2_list[i].offset & UPDATE)) continue; diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 70a8d0b0c4f1..d00524a5d7f0 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -754,7 +754,6 @@ nouveau_pmops_runtime_suspend(struct device *dev) } drm_kms_helper_poll_disable(drm_dev); - vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF); nouveau_switcheroo_optimus_dsm(); ret = nouveau_do_suspend(drm_dev, true); pci_save_state(pdev); @@ -789,7 +788,6 @@ nouveau_pmops_runtime_resume(struct device *dev) /* do magic */ nvif_mask(&device->object, 0x088488, (1 << 25), (1 << 25)); - vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON); drm_dev->switch_power_state = DRM_SWITCH_POWER_ON; /* Monitors may have been connected / disconnected during suspend */ diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index f4becad0a78c..f6908e2f9e55 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -424,7 +424,6 @@ static int radeon_pmops_runtime_suspend(struct device *dev) drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; drm_kms_helper_poll_disable(drm_dev); - vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF); ret = radeon_suspend_kms(drm_dev, false, false, false); pci_save_state(pdev); @@ -461,7 +460,6 @@ static int radeon_pmops_runtime_resume(struct device *dev) ret = radeon_resume_kms(drm_dev, false, false); drm_kms_helper_poll_enable(drm_dev); - vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON); drm_dev->switch_power_state = DRM_SWITCH_POWER_ON; return 0; } diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c index 3cd153c6d271..f188c85b3b7a 100644 --- a/drivers/gpu/vga/vga_switcheroo.c +++ b/drivers/gpu/vga/vga_switcheroo.c @@ -92,7 +92,8 @@ * struct vga_switcheroo_client - registered client * @pdev: client pci device * @fb_info: framebuffer to which console is remapped on switching - * @pwr_state: current power state + * @pwr_state: current power state if manual power control is used. + * For driver power control, call vga_switcheroo_pwr_state(). * @ops: client callbacks * @id: client identifier. Determining the id requires the handler, * so gpus are initially assigned VGA_SWITCHEROO_UNKNOWN_ID @@ -104,8 +105,7 @@ * @list: client list * * Registered client. A client can be either a GPU or an audio device on a GPU. - * For audio clients, the @fb_info, @active and @driver_power_control members - * are bogus. + * For audio clients, the @fb_info and @active members are bogus. */ struct vga_switcheroo_client { struct pci_dev *pdev; @@ -331,8 +331,8 @@ EXPORT_SYMBOL(vga_switcheroo_register_client); * @ops: client callbacks * @id: client identifier * - * Register audio client (audio device on a GPU). The power state of the - * client is assumed to be ON. Beforehand, vga_switcheroo_client_probe_defer() + * Register audio client (audio device on a GPU). The client is assumed + * to use runtime PM. Beforehand, vga_switcheroo_client_probe_defer() * shall be called to ensure that all prerequisites are met. * * Return: 0 on success, -ENOMEM on memory allocation error. @@ -341,7 +341,7 @@ int vga_switcheroo_register_audio_client(struct pci_dev *pdev, const struct vga_switcheroo_client_ops *ops, enum vga_switcheroo_client_id id) { - return register_client(pdev, ops, id | ID_BIT_AUDIO, false, false); + return register_client(pdev, ops, id | ID_BIT_AUDIO, false, true); } EXPORT_SYMBOL(vga_switcheroo_register_audio_client); @@ -406,6 +406,19 @@ bool vga_switcheroo_client_probe_defer(struct pci_dev *pdev) } EXPORT_SYMBOL(vga_switcheroo_client_probe_defer); +static enum vga_switcheroo_state +vga_switcheroo_pwr_state(struct vga_switcheroo_client *client) +{ + if (client->driver_power_control) + if (pm_runtime_enabled(&client->pdev->dev) && + pm_runtime_active(&client->pdev->dev)) + return VGA_SWITCHEROO_ON; + else + return VGA_SWITCHEROO_OFF; + else + return client->pwr_state; +} + /** * vga_switcheroo_get_client_state() - obtain power state of a given client * @pdev: client pci device @@ -425,7 +438,7 @@ enum vga_switcheroo_state vga_switcheroo_get_client_state(struct pci_dev *pdev) if (!client) ret = VGA_SWITCHEROO_NOT_FOUND; else - ret = client->pwr_state; + ret = vga_switcheroo_pwr_state(client); mutex_unlock(&vgasr_mutex); return ret; } @@ -598,7 +611,7 @@ static int vga_switcheroo_show(struct seq_file *m, void *v) client_is_vga(client) ? "" : "-Audio", client->active ? '+' : ' ', client->driver_power_control ? "Dyn" : "", - client->pwr_state ? "Pwr" : "Off", + vga_switcheroo_pwr_state(client) ? "Pwr" : "Off", pci_name(client->pdev)); i++; } @@ -641,10 +654,8 @@ static void set_audio_state(enum vga_switcheroo_client_id id, struct vga_switcheroo_client *client; client = find_client_from_id(&vgasr_priv.clients, id | ID_BIT_AUDIO); - if (client && client->pwr_state != state) { + if (client) client->ops->set_gpu_state(client->pdev, state); - client->pwr_state = state; - } } /* stage one happens before delay */ @@ -656,7 +667,7 @@ static int vga_switchto_stage1(struct vga_switcheroo_client *new_client) if (!active) return 0; - if (new_client->pwr_state == VGA_SWITCHEROO_OFF) + if (vga_switcheroo_pwr_state(new_client) == VGA_SWITCHEROO_OFF) vga_switchon(new_client); vga_set_default_device(new_client->pdev); @@ -695,7 +706,7 @@ static int vga_switchto_stage2(struct vga_switcheroo_client *new_client) if (new_client->ops->reprobe) new_client->ops->reprobe(new_client->pdev); - if (active->pwr_state == VGA_SWITCHEROO_ON) + if (vga_switcheroo_pwr_state(active) == VGA_SWITCHEROO_ON) vga_switchoff(active); set_audio_state(new_client->id, VGA_SWITCHEROO_ON); @@ -939,11 +950,6 @@ EXPORT_SYMBOL(vga_switcheroo_process_delayed_switch); * Specifying nouveau.runpm=0, radeon.runpm=0 or amdgpu.runpm=0 on the kernel * command line disables it. * - * When the driver decides to power up or down, it notifies vga_switcheroo - * thereof so that it can (a) power the audio device on the GPU up or down, - * and (b) update its internal power state representation for the device. - * This is achieved by vga_switcheroo_set_dynamic_switch(). - * * After the GPU has been suspended, the handler needs to be called to cut * power to the GPU. Likewise it needs to reinstate power before the GPU * can resume. This is achieved by vga_switcheroo_init_domain_pm_ops(), @@ -951,8 +957,9 @@ EXPORT_SYMBOL(vga_switcheroo_process_delayed_switch); * calls to the handler. * * When the audio device resumes, the GPU needs to be woken. This is achieved - * by vga_switcheroo_init_domain_pm_optimus_hdmi_audio(), which augments the - * audio device's resume function. + * by a PCI quirk which calls device_link_add() to declare a dependency on the + * GPU. That way, the GPU is kept awake whenever and as long as the audio + * device is in use. * * On muxed machines, if the mux is initially switched to the discrete GPU, * the user ends up with a black screen when the GPU powers down after boot. @@ -978,35 +985,6 @@ static void vga_switcheroo_power_switch(struct pci_dev *pdev, vgasr_priv.handler->power_state(client->id, state); } -/** - * vga_switcheroo_set_dynamic_switch() - helper for driver power control - * @pdev: client pci device - * @dynamic: new power state - * - * Helper for GPUs whose power state is controlled by the driver's runtime pm. - * When the driver decides to power up or down, it notifies vga_switcheroo - * thereof using this helper so that it can (a) power the audio device on - * the GPU up or down, and (b) update its internal power state representation - * for the device. - */ -void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, - enum vga_switcheroo_state dynamic) -{ - struct vga_switcheroo_client *client; - - mutex_lock(&vgasr_mutex); - client = find_client_from_pci(&vgasr_priv.clients, pdev); - if (!client || !client->driver_power_control) { - mutex_unlock(&vgasr_mutex); - return; - } - - client->pwr_state = dynamic; - set_audio_state(client->id, dynamic); - mutex_unlock(&vgasr_mutex); -} -EXPORT_SYMBOL(vga_switcheroo_set_dynamic_switch); - /* switcheroo power domain */ static int vga_switcheroo_runtime_suspend(struct device *dev) { @@ -1076,69 +1054,3 @@ void vga_switcheroo_fini_domain_pm_ops(struct device *dev) dev_pm_domain_set(dev, NULL); } EXPORT_SYMBOL(vga_switcheroo_fini_domain_pm_ops); - -static int vga_switcheroo_runtime_resume_hdmi_audio(struct device *dev) -{ - struct pci_dev *pdev = to_pci_dev(dev); - struct vga_switcheroo_client *client; - struct device *video_dev = NULL; - int ret; - - /* we need to check if we have to switch back on the video - * device so the audio device can come back - */ - mutex_lock(&vgasr_mutex); - list_for_each_entry(client, &vgasr_priv.clients, list) { - if (PCI_SLOT(client->pdev->devfn) == PCI_SLOT(pdev->devfn) && - client_is_vga(client)) { - video_dev = &client->pdev->dev; - break; - } - } - mutex_unlock(&vgasr_mutex); - - if (video_dev) { - ret = pm_runtime_get_sync(video_dev); - if (ret && ret != 1) - return ret; - } - ret = dev->bus->pm->runtime_resume(dev); - - /* put the reference for the gpu */ - if (video_dev) { - pm_runtime_mark_last_busy(video_dev); - pm_runtime_put_autosuspend(video_dev); - } - return ret; -} - -/** - * vga_switcheroo_init_domain_pm_optimus_hdmi_audio() - helper for driver - * power control - * @dev: audio client device - * @domain: power domain - * - * Helper for GPUs whose power state is controlled by the driver's runtime pm. - * When the audio device resumes, the GPU needs to be woken. This helper - * augments the audio device's resume function to do that. - * - * Return: 0 on success, -EINVAL if no power management operations are - * defined for this device. - */ -int -vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, - struct dev_pm_domain *domain) -{ - /* copy over all the bus versions */ - if (dev->bus && dev->bus->pm) { - domain->ops = *dev->bus->pm; - domain->ops.runtime_resume = - vga_switcheroo_runtime_resume_hdmi_audio; - - dev_pm_domain_set(dev, domain); - return 0; - } - dev_pm_domain_set(dev, NULL); - return -EINVAL; -} -EXPORT_SYMBOL(vga_switcheroo_init_domain_pm_optimus_hdmi_audio); diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 2bca84f4c2b2..85db184321f7 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -173,6 +173,7 @@ static const char * const smbus_pnp_ids[] = { "LEN005b", /* P50 */ "LEN005e", /* T560 */ "LEN006c", /* T470s */ + "LEN007a", /* T470s */ "LEN0071", /* T480 */ "LEN0072", /* X1 Carbon Gen 5 (2017) - Elan/ALPS trackpoint */ "LEN0073", /* X1 Carbon G5 (Elantech) */ diff --git a/drivers/macintosh/windfarm_pm112.c b/drivers/macintosh/windfarm_pm112.c index 96d16fca68b2..088ca17a843d 100644 --- a/drivers/macintosh/windfarm_pm112.c +++ b/drivers/macintosh/windfarm_pm112.c @@ -133,14 +133,6 @@ static int create_cpu_loop(int cpu) s32 tmax; int fmin; - /* Get PID params from the appropriate SAT */ - hdr = smu_sat_get_sdb_partition(chip, 0xC8 + core, NULL); - if (hdr == NULL) { - printk(KERN_WARNING"windfarm: can't get CPU PID fan config\n"); - return -EINVAL; - } - piddata = (struct smu_sdbp_cpupiddata *)&hdr[1]; - /* Get FVT params to get Tmax; if not found, assume default */ hdr = smu_sat_get_sdb_partition(chip, 0xC4 + core, NULL); if (hdr) { @@ -153,6 +145,16 @@ static int create_cpu_loop(int cpu) if (tmax < cpu_all_tmax) cpu_all_tmax = tmax; + kfree(hdr); + + /* Get PID params from the appropriate SAT */ + hdr = smu_sat_get_sdb_partition(chip, 0xC8 + core, NULL); + if (hdr == NULL) { + printk(KERN_WARNING"windfarm: can't get CPU PID fan config\n"); + return -EINVAL; + } + piddata = (struct smu_sdbp_cpupiddata *)&hdr[1]; + /* * Darwin has a minimum fan speed of 1000 rpm for the 4-way and * 515 for the 2-way. That appears to be overkill, so for now, @@ -175,6 +177,9 @@ static int create_cpu_loop(int cpu) pid.min = fmin; wf_cpu_pid_init(&cpu_pid[cpu], &pid); + + kfree(hdr); + return 0; } diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index d9a67759fdb5..5e38ceb36000 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -3088,7 +3088,7 @@ static void crypt_io_hints(struct dm_target *ti, struct queue_limits *limits) limits->max_segment_size = PAGE_SIZE; limits->logical_block_size = - max_t(unsigned short, limits->logical_block_size, cc->sector_size); + max_t(unsigned, limits->logical_block_size, cc->sector_size); limits->physical_block_size = max_t(unsigned, limits->physical_block_size, cc->sector_size); limits->io_min = max_t(unsigned, limits->io_min, cc->sector_size); diff --git a/drivers/md/md.c b/drivers/md/md.c index b942c74f1ce8..948344531baf 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -7411,7 +7411,8 @@ static int md_open(struct block_device *bdev, fmode_t mode) */ mddev_put(mddev); /* Wait until bdev->bd_disk is definitely gone */ - flush_workqueue(md_misc_wq); + if (work_pending(&mddev->del_work)) + flush_workqueue(md_misc_wq); /* Then retry the open from the top */ return -ERESTARTSYS; } diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c index 0d7d687aeea0..061b7824f698 100644 --- a/drivers/media/cec/cec-adap.c +++ b/drivers/media/cec/cec-adap.c @@ -1624,6 +1624,10 @@ int __cec_s_log_addrs(struct cec_adapter *adap, unsigned j; log_addrs->log_addr[i] = CEC_LOG_ADDR_INVALID; + if (log_addrs->log_addr_type[i] > CEC_LOG_ADDR_TYPE_UNREGISTERED) { + dprintk(1, "unknown logical address type\n"); + return -EINVAL; + } if (type_mask & (1 << log_addrs->log_addr_type[i])) { dprintk(1, "duplicate logical address type\n"); return -EINVAL; @@ -1644,10 +1648,6 @@ int __cec_s_log_addrs(struct cec_adapter *adap, dprintk(1, "invalid primary device type\n"); return -EINVAL; } - if (log_addrs->log_addr_type[i] > CEC_LOG_ADDR_TYPE_UNREGISTERED) { - dprintk(1, "unknown logical address type\n"); - return -EINVAL; - } for (j = 0; j < feature_sz; j++) { if ((features[j] & 0x80) == 0) { if (op_is_dev_features) diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c index 69f564b0837a..eb0331b8a583 100644 --- a/drivers/media/i2c/ov5640.c +++ b/drivers/media/i2c/ov5640.c @@ -2298,8 +2298,8 @@ static int ov5640_probe(struct i2c_client *client, free_ctrls: v4l2_ctrl_handler_free(&sensor->ctrls.handler); entity_cleanup: - mutex_destroy(&sensor->lock); media_entity_cleanup(&sensor->sd.entity); + mutex_destroy(&sensor->lock); return ret; } @@ -2309,9 +2309,9 @@ static int ov5640_remove(struct i2c_client *client) struct ov5640_dev *sensor = to_ov5640_dev(sd); v4l2_async_unregister_subdev(&sensor->sd); - mutex_destroy(&sensor->lock); media_entity_cleanup(&sensor->sd.entity); v4l2_ctrl_handler_free(&sensor->ctrls.handler); + mutex_destroy(&sensor->lock); return 0; } diff --git a/drivers/media/platform/rcar-fcp.c b/drivers/media/platform/rcar-fcp.c index 2988031d285d..0047d144c932 100644 --- a/drivers/media/platform/rcar-fcp.c +++ b/drivers/media/platform/rcar-fcp.c @@ -12,6 +12,7 @@ */ #include +#include #include #include #include @@ -24,6 +25,7 @@ struct rcar_fcp_device { struct list_head list; struct device *dev; + struct device_dma_parameters dma_parms; }; static LIST_HEAD(fcp_devices); @@ -139,6 +141,9 @@ static int rcar_fcp_probe(struct platform_device *pdev) fcp->dev = &pdev->dev; + fcp->dev->dma_parms = &fcp->dma_parms; + dma_set_max_seg_size(fcp->dev, DMA_BIT_MASK(32)); + pm_runtime_enable(&pdev->dev); mutex_lock(&fcp_lock); diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c index e35b1faf0ddc..c826997f5433 100644 --- a/drivers/media/tuners/si2157.c +++ b/drivers/media/tuners/si2157.c @@ -84,24 +84,23 @@ static int si2157_init(struct dvb_frontend *fe) struct si2157_cmd cmd; const struct firmware *fw; const char *fw_name; - unsigned int uitmp, chip_id; + unsigned int chip_id, xtal_trim; dev_dbg(&client->dev, "\n"); - /* Returned IF frequency is garbage when firmware is not running */ - memcpy(cmd.args, "\x15\x00\x06\x07", 4); + /* Try to get Xtal trim property, to verify tuner still running */ + memcpy(cmd.args, "\x15\x00\x04\x02", 4); cmd.wlen = 4; cmd.rlen = 4; ret = si2157_cmd_execute(client, &cmd); - if (ret) - goto err; - uitmp = cmd.args[2] << 0 | cmd.args[3] << 8; - dev_dbg(&client->dev, "if_frequency kHz=%u\n", uitmp); + xtal_trim = cmd.args[2] | (cmd.args[3] << 8); - if (uitmp == dev->if_frequency / 1000) + if (ret == 0 && xtal_trim < 16) goto warm; + dev->if_frequency = 0; /* we no longer know current tuner state */ + /* power up */ if (dev->chiptype == SI2157_CHIPTYPE_SI2146) { memcpy(cmd.args, "\xc0\x05\x01\x00\x00\x0b\x00\x00\x01", 9); diff --git a/drivers/media/usb/dvb-usb/dibusb-mb.c b/drivers/media/usb/dvb-usb/dibusb-mb.c index a0057641cc86..c55180912c3a 100644 --- a/drivers/media/usb/dvb-usb/dibusb-mb.c +++ b/drivers/media/usb/dvb-usb/dibusb-mb.c @@ -84,7 +84,7 @@ static int dibusb_tuner_probe_and_attach(struct dvb_usb_adapter *adap) if (i2c_transfer(&adap->dev->i2c_adap, msg, 2) != 2) { err("tuner i2c write failed."); - ret = -EREMOTEIO; + return -EREMOTEIO; } if (adap->fe_adap[0].fe->ops.i2c_gate_ctrl) diff --git a/drivers/media/usb/go7007/snd-go7007.c b/drivers/media/usb/go7007/snd-go7007.c index c618764480c6..a19c01083124 100644 --- a/drivers/media/usb/go7007/snd-go7007.c +++ b/drivers/media/usb/go7007/snd-go7007.c @@ -243,22 +243,18 @@ int go7007_snd_init(struct go7007 *go) gosnd->capturing = 0; ret = snd_card_new(go->dev, index[dev], id[dev], THIS_MODULE, 0, &gosnd->card); - if (ret < 0) { - kfree(gosnd); - return ret; - } + if (ret < 0) + goto free_snd; + ret = snd_device_new(gosnd->card, SNDRV_DEV_LOWLEVEL, go, &go7007_snd_device_ops); - if (ret < 0) { - kfree(gosnd); - return ret; - } + if (ret < 0) + goto free_card; + ret = snd_pcm_new(gosnd->card, "go7007", 0, 0, 1, &gosnd->pcm); - if (ret < 0) { - snd_card_free(gosnd->card); - kfree(gosnd); - return ret; - } + if (ret < 0) + goto free_card; + strlcpy(gosnd->card->driver, "go7007", sizeof(gosnd->card->driver)); strlcpy(gosnd->card->shortname, go->name, sizeof(gosnd->card->driver)); strlcpy(gosnd->card->longname, gosnd->card->shortname, @@ -269,11 +265,8 @@ int go7007_snd_init(struct go7007 *go) &go7007_snd_capture_ops); ret = snd_card_register(gosnd->card); - if (ret < 0) { - snd_card_free(gosnd->card); - kfree(gosnd); - return ret; - } + if (ret < 0) + goto free_card; gosnd->substream = NULL; go->snd_context = gosnd; @@ -281,6 +274,12 @@ int go7007_snd_init(struct go7007 *go) ++dev; return 0; + +free_card: + snd_card_free(gosnd->card); +free_snd: + kfree(gosnd); + return ret; } EXPORT_SYMBOL(go7007_snd_init); diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 7ee8c9082021..7568cea55922 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -717,9 +717,8 @@ try_again: /* Retry init sequence, but without R4_18V_PRESENT. */ retries = 0; goto try_again; - } else { - goto remove; } + return err; } /* diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 8c0b80a54e4d..6d1ac9443eb2 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -79,7 +79,7 @@ #define ESDHC_STD_TUNING_EN (1 << 24) /* NOTE: the minimum valid tuning start tap for mx6sl is 1 */ #define ESDHC_TUNING_START_TAP_DEFAULT 0x1 -#define ESDHC_TUNING_START_TAP_MASK 0xff +#define ESDHC_TUNING_START_TAP_MASK 0x7f #define ESDHC_TUNING_STEP_MASK 0x00070000 #define ESDHC_TUNING_STEP_SHIFT 16 diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index 192844b50c69..75cf66ffc705 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -860,6 +860,12 @@ static int sdhci_msm_execute_tuning(struct mmc_host *mmc, u32 opcode) /* Clock-Data-Recovery used to dynamically adjust RX sampling point */ msm_host->use_cdr = true; + /* + * Clear tuning_done flag before tuning to ensure proper + * HS400 settings. + */ + msm_host->tuning_done = 0; + /* * For HS400 tuning in HS200 timing requires: * - select MCLK/2 in VENDOR_SPEC @@ -1162,7 +1168,9 @@ static const struct sdhci_pltfm_data sdhci_msm_pdata = { .quirks = SDHCI_QUIRK_BROKEN_CARD_DETECTION | SDHCI_QUIRK_NO_CARD_NO_RESET | SDHCI_QUIRK_SINGLE_POWER_WRITE | - SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN, + SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN | + SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12, + .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN, .ops = &sdhci_msm_ops, }; diff --git a/drivers/mmc/host/via-sdmmc.c b/drivers/mmc/host/via-sdmmc.c index a838bf5480d8..a863a345fc59 100644 --- a/drivers/mmc/host/via-sdmmc.c +++ b/drivers/mmc/host/via-sdmmc.c @@ -323,6 +323,8 @@ struct via_crdr_mmc_host { /* some devices need a very long delay for power to stabilize */ #define VIA_CRDR_QUIRK_300MS_PWRDELAY 0x0001 +#define VIA_CMD_TIMEOUT_MS 1000 + static const struct pci_device_id via_ids[] = { {PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_9530, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0,}, @@ -555,14 +557,17 @@ static void via_sdc_send_command(struct via_crdr_mmc_host *host, { void __iomem *addrbase; struct mmc_data *data; + unsigned int timeout_ms; u32 cmdctrl = 0; WARN_ON(host->cmd); data = cmd->data; - mod_timer(&host->timer, jiffies + HZ); host->cmd = cmd; + timeout_ms = cmd->busy_timeout ? cmd->busy_timeout : VIA_CMD_TIMEOUT_MS; + mod_timer(&host->timer, jiffies + msecs_to_jiffies(timeout_ms)); + /*Command index*/ cmdctrl = cmd->opcode << 8; diff --git a/drivers/mtd/nand/brcmnand/brcmnand.c b/drivers/mtd/nand/brcmnand/brcmnand.c index 2a978d9832a7..f8d793b15a7a 100644 --- a/drivers/mtd/nand/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/brcmnand/brcmnand.c @@ -911,11 +911,14 @@ static int brcmnand_hamming_ooblayout_free(struct mtd_info *mtd, int section, if (!section) { /* * Small-page NAND use byte 6 for BBI while large-page - * NAND use byte 0. + * NAND use bytes 0 and 1. */ - if (cfg->page_size > 512) - oobregion->offset++; - oobregion->length--; + if (cfg->page_size > 512) { + oobregion->offset += 2; + oobregion->length -= 2; + } else { + oobregion->length--; + } } } diff --git a/drivers/mtd/nand/pasemi_nand.c b/drivers/mtd/nand/pasemi_nand.c index a47a7e4bd25a..d69e5bae541e 100644 --- a/drivers/mtd/nand/pasemi_nand.c +++ b/drivers/mtd/nand/pasemi_nand.c @@ -163,7 +163,7 @@ static int pasemi_nand_probe(struct platform_device *ofdev) if (mtd_device_register(pasemi_nand_mtd, NULL, 0)) { dev_err(dev, "Unable to register MTD device\n"); err = -ENODEV; - goto out_lpc; + goto out_cleanup_nand; } dev_info(dev, "PA Semi NAND flash at %pR, control at I/O %x\n", &res, @@ -171,6 +171,8 @@ static int pasemi_nand_probe(struct platform_device *ofdev) return 0; + out_cleanup_nand: + nand_cleanup(chip); out_lpc: release_region(lpcctl, 4); out_ior: diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c index daed57d3d209..2b994bbf85ca 100644 --- a/drivers/net/can/usb/kvaser_usb.c +++ b/drivers/net/can/usb/kvaser_usb.c @@ -791,7 +791,7 @@ static int kvaser_usb_simple_msg_async(struct kvaser_usb_net_priv *priv, if (!urb) return -ENOMEM; - buf = kmalloc(sizeof(struct kvaser_msg), GFP_ATOMIC); + buf = kzalloc(sizeof(struct kvaser_msg), GFP_ATOMIC); if (!buf) { usb_free_urb(urb); return -ENOMEM; @@ -1459,7 +1459,7 @@ static int kvaser_usb_set_opt_mode(const struct kvaser_usb_net_priv *priv) struct kvaser_msg *msg; int rc; - msg = kmalloc(sizeof(*msg), GFP_KERNEL); + msg = kzalloc(sizeof(*msg), GFP_KERNEL); if (!msg) return -ENOMEM; @@ -1592,7 +1592,7 @@ static int kvaser_usb_flush_queue(struct kvaser_usb_net_priv *priv) struct kvaser_msg *msg; int rc; - msg = kmalloc(sizeof(*msg), GFP_KERNEL); + msg = kzalloc(sizeof(*msg), GFP_KERNEL); if (!msg) return -ENOMEM; diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c index 3143de45baaa..c458b81ba63a 100644 --- a/drivers/net/ethernet/allwinner/sun4i-emac.c +++ b/drivers/net/ethernet/allwinner/sun4i-emac.c @@ -433,7 +433,7 @@ static void emac_timeout(struct net_device *dev) /* Hardware start transmission. * Send a packet to media from the upper layer. */ -static int emac_start_xmit(struct sk_buff *skb, struct net_device *dev) +static netdev_tx_t emac_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct emac_board_info *db = netdev_priv(dev); unsigned long channel; @@ -441,7 +441,7 @@ static int emac_start_xmit(struct sk_buff *skb, struct net_device *dev) channel = db->tx_fifo_stat & 3; if (channel == 3) - return 1; + return NETDEV_TX_BUSY; channel = (channel == 1 ? 1 : 0); diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c index dc9149a32f41..bb1710ff910a 100644 --- a/drivers/net/ethernet/amazon/ena/ena_com.c +++ b/drivers/net/ethernet/amazon/ena/ena_com.c @@ -2131,6 +2131,9 @@ int ena_com_get_hash_function(struct ena_com_dev *ena_dev, rss->hash_key; int rc; + if (unlikely(!func)) + return -EINVAL; + rc = ena_com_get_feature_ex(ena_dev, &get_resp, ENA_ADMIN_RSS_HASH_FUNCTION, rss->hash_key_dma_addr, @@ -2143,8 +2146,7 @@ int ena_com_get_hash_function(struct ena_com_dev *ena_dev, if (rss->hash_func) rss->hash_func--; - if (func) - *func = rss->hash_func; + *func = rss->hash_func; if (key) memcpy(key, hash_key->key, (size_t)(hash_key->keys_num) << 2); diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 38391230ca86..7d3cbbd88a00 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -72,6 +72,9 @@ #define GENET_RDMA_REG_OFF (priv->hw_params->rdma_offset + \ TOTAL_DESC * DMA_DESC_SIZE) +/* Forward declarations */ +static void bcmgenet_set_rx_mode(struct net_device *dev); + static inline void bcmgenet_writel(u32 value, void __iomem *offset) { /* MIPS chips strapped for BE will automagically configure the @@ -2858,6 +2861,7 @@ static void bcmgenet_netif_start(struct net_device *dev) struct bcmgenet_priv *priv = netdev_priv(dev); /* Start the network engine */ + bcmgenet_set_rx_mode(dev); bcmgenet_enable_rx_napi(priv); bcmgenet_enable_tx_napi(priv); diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 956fbb164e6f..85c11dafb4cd 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -3560,12 +3560,10 @@ static void ibmvnic_handle_crq(union ibmvnic_crq *crq, dev_err(dev, "Error %ld in VERSION_EXCHG_RSP\n", rc); break; } - dev_info(dev, "Partner protocol version is %d\n", - crq->version_exchange_rsp.version); - if (be16_to_cpu(crq->version_exchange_rsp.version) < - ibmvnic_version) - ibmvnic_version = + ibmvnic_version = be16_to_cpu(crq->version_exchange_rsp.version); + dev_info(dev, "Partner protocol version is %d\n", + ibmvnic_version); send_cap_queries(adapter); break; case QUERY_CAPABILITY_RSP: diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 3dd4aeb2706d..175681aa5260 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -3169,8 +3169,9 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); if (skb->data_len && hdr_len == len) { switch (hw->mac_type) { + case e1000_82544: { unsigned int pull_size; - case e1000_82544: + /* Make sure we have room to chop off 4 bytes, * and that the end alignment will work out to * this hardware's requirements @@ -3191,6 +3192,7 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, } len = skb_headlen(skb); break; + } default: /* do nothing */ break; diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h index 98e68888abb1..e0ef6007c275 100644 --- a/drivers/net/ethernet/intel/e1000e/e1000.h +++ b/drivers/net/ethernet/intel/e1000e/e1000.h @@ -596,7 +596,6 @@ static inline u32 __er32(struct e1000_hw *hw, unsigned long reg) #define er32(reg) __er32(hw, E1000_##reg) -s32 __ew32_prepare(struct e1000_hw *hw); void __ew32(struct e1000_hw *hw, unsigned long reg, u32 val); #define ew32(reg, val) __ew32(hw, E1000_##reg, (val)) diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 1ad345796e80..5269af303f55 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -137,14 +137,12 @@ static const struct e1000_reg_info e1000_reg_info_tbl[] = { * has bit 24 set while ME is accessing MAC CSR registers, wait if it is set * and try again a number of times. **/ -s32 __ew32_prepare(struct e1000_hw *hw) +static void __ew32_prepare(struct e1000_hw *hw) { s32 i = E1000_ICH_FWSM_PCIM2PCI_COUNT; while ((er32(FWSM) & E1000_ICH_FWSM_PCIM2PCI) && --i) udelay(50); - - return i; } void __ew32(struct e1000_hw *hw, unsigned long reg, u32 val) @@ -625,11 +623,11 @@ static void e1000e_update_rdt_wa(struct e1000_ring *rx_ring, unsigned int i) { struct e1000_adapter *adapter = rx_ring->adapter; struct e1000_hw *hw = &adapter->hw; - s32 ret_val = __ew32_prepare(hw); + __ew32_prepare(hw); writel(i, rx_ring->tail); - if (unlikely(!ret_val && (i != readl(rx_ring->tail)))) { + if (unlikely(i != readl(rx_ring->tail))) { u32 rctl = er32(RCTL); ew32(RCTL, rctl & ~E1000_RCTL_EN); @@ -642,11 +640,11 @@ static void e1000e_update_tdt_wa(struct e1000_ring *tx_ring, unsigned int i) { struct e1000_adapter *adapter = tx_ring->adapter; struct e1000_hw *hw = &adapter->hw; - s32 ret_val = __ew32_prepare(hw); + __ew32_prepare(hw); writel(i, tx_ring->tail); - if (unlikely(!ret_val && (i != readl(tx_ring->tail)))) { + if (unlikely(i != readl(tx_ring->tail))) { u32 tctl = er32(TCTL); ew32(TCTL, tctl & ~E1000_TCTL_EN); @@ -5271,6 +5269,10 @@ static void e1000_watchdog_task(struct work_struct *work) /* oops */ break; } + if (hw->mac.type == e1000_pch_spt) { + netdev->features &= ~NETIF_F_TSO; + netdev->features &= ~NETIF_F_TSO6; + } } /* enable transmits in the hardware, need to do this diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index 82028ce355fb..ff2be34bff39 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -163,7 +163,8 @@ static int igb_get_link_ksettings(struct net_device *netdev, u32 speed; u32 supported, advertising; - status = rd32(E1000_STATUS); + status = pm_runtime_suspended(&adapter->pdev->dev) ? + 0 : rd32(E1000_STATUS); if (hw->phy.media_type == e1000_media_type_copper) { supported = (SUPPORTED_10baseT_Half | diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c index 815284fe9324..6b5662674c75 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c @@ -2267,7 +2267,7 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw) } /* Configure pause time (2 TCs per register) */ - reg = hw->fc.pause_time * 0x00010001; + reg = hw->fc.pause_time * 0x00010001U; for (i = 0; i < (MAX_TRAFFIC_CLASS / 2); i++) IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), reg); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index ba184287e11f..64ee45b6680a 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -2274,7 +2274,8 @@ static void ixgbe_rx_buffer_flip(struct ixgbe_ring *rx_ring, rx_buffer->page_offset ^= truesize; #else unsigned int truesize = ring_uses_build_skb(rx_ring) ? - SKB_DATA_ALIGN(IXGBE_SKB_PAD + size) : + SKB_DATA_ALIGN(IXGBE_SKB_PAD + size) + + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) : SKB_DATA_ALIGN(size); rx_buffer->page_offset += truesize; diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c index 41d30f55c946..6bd6c261f2ba 100644 --- a/drivers/net/ethernet/nxp/lpc_eth.c +++ b/drivers/net/ethernet/nxp/lpc_eth.c @@ -845,7 +845,8 @@ static int lpc_mii_init(struct netdata_local *pldat) if (mdiobus_register(pldat->mii_bus)) goto err_out_unregister_bus; - if (lpc_mii_probe(pldat->ndev) != 0) + err = lpc_mii_probe(pldat->ndev); + if (err) goto err_out_unregister_bus; return 0; diff --git a/drivers/net/ethernet/qlogic/qede/qede.h b/drivers/net/ethernet/qlogic/qede/qede.h index a80531b5aecc..c132b08cefde 100644 --- a/drivers/net/ethernet/qlogic/qede/qede.h +++ b/drivers/net/ethernet/qlogic/qede/qede.h @@ -528,12 +528,14 @@ void qede_update_rx_prod(struct qede_dev *edev, struct qede_rx_queue *rxq); #define RX_RING_SIZE ((u16)BIT(RX_RING_SIZE_POW)) #define NUM_RX_BDS_MAX (RX_RING_SIZE - 1) #define NUM_RX_BDS_MIN 128 +#define NUM_RX_BDS_KDUMP_MIN 63 #define NUM_RX_BDS_DEF ((u16)BIT(10) - 1) #define TX_RING_SIZE_POW 13 #define TX_RING_SIZE ((u16)BIT(TX_RING_SIZE_POW)) #define NUM_TX_BDS_MAX (TX_RING_SIZE - 1) #define NUM_TX_BDS_MIN 128 +#define NUM_TX_BDS_KDUMP_MIN 63 #define NUM_TX_BDS_DEF NUM_TX_BDS_MAX #define QEDE_MIN_PKT_LEN 64 diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index dab202f343c6..8bb734486bf3 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -29,6 +29,7 @@ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ +#include #include #include #include @@ -624,8 +625,14 @@ static struct qede_dev *qede_alloc_etherdev(struct qed_dev *cdev, edev->dp_module = dp_module; edev->dp_level = dp_level; edev->ops = qed_ops; - edev->q_num_rx_buffers = NUM_RX_BDS_DEF; - edev->q_num_tx_buffers = NUM_TX_BDS_DEF; + + if (is_kdump_kernel()) { + edev->q_num_rx_buffers = NUM_RX_BDS_KDUMP_MIN; + edev->q_num_tx_buffers = NUM_TX_BDS_KDUMP_MIN; + } else { + edev->q_num_rx_buffers = NUM_RX_BDS_DEF; + edev->q_num_tx_buffers = NUM_TX_BDS_DEF; + } DP_INFO(edev, "Allocated netdev with %d tx queues and %d rx queues\n", info->num_queues, info->num_queues); diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 3072fc902eca..b7f41c52766f 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -449,6 +449,10 @@ static rx_handler_result_t macvlan_handle_frame(struct sk_buff **pskb) int ret; rx_handler_result_t handle_res; + /* Packets from dev_loopback_xmit() do not have L2 header, bail out */ + if (unlikely(skb->pkt_type == PACKET_LOOPBACK)) + return RX_HANDLER_PASS; + port = macvlan_port_get_rcu(skb->dev); if (is_multicast_ether_addr(eth->h_dest)) { unsigned int hash; diff --git a/drivers/net/vmxnet3/vmxnet3_ethtool.c b/drivers/net/vmxnet3/vmxnet3_ethtool.c index 2ff27314e047..66c6c07c7a16 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethtool.c +++ b/drivers/net/vmxnet3/vmxnet3_ethtool.c @@ -692,6 +692,8 @@ vmxnet3_get_rss(struct net_device *netdev, u32 *p, u8 *key, u8 *hfunc) *hfunc = ETH_RSS_HASH_TOP; if (!p) return 0; + if (n > UPT1_RSS_MAX_IND_TABLE_SIZE) + return 0; while (n--) p[n] = rssConf->indTable[n]; return 0; diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 9bca97d5f063..afdc2c290fd0 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -1610,6 +1610,10 @@ static struct sk_buff *vxlan_na_create(struct sk_buff *request, ns_olen = request->len - skb_network_offset(request) - sizeof(struct ipv6hdr) - sizeof(*ns); for (i = 0; i < ns_olen-1; i += (ns->opt[i+1]<<3)) { + if (!ns->opt[i + 1]) { + kfree_skb(reply); + return NULL; + } if (ns->opt[i] == ND_OPT_SOURCE_LL_ADDR) { daddr = ns->opt + i + sizeof(struct nd_opt_hdr); break; diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c index 6f669166c263..4e769cf07f59 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.c +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c @@ -610,6 +610,11 @@ static void ath9k_hif_usb_rx_stream(struct hif_device_usb *hif_dev, hif_dev->remain_skb = nskb; spin_unlock(&hif_dev->rx_lock); } else { + if (pool_index == MAX_PKT_NUM_IN_TRANSFER) { + dev_err(&hif_dev->udev->dev, + "ath9k_htc: over RX MAX_PKT_NUM\n"); + goto err; + } nskb = __dev_alloc_skb(pkt_len + 32, GFP_ATOMIC); if (!nskb) { dev_err(&hif_dev->udev->dev, @@ -636,9 +641,9 @@ err: static void ath9k_hif_usb_rx_cb(struct urb *urb) { - struct sk_buff *skb = (struct sk_buff *) urb->context; - struct hif_device_usb *hif_dev = - usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0)); + struct rx_buf *rx_buf = (struct rx_buf *)urb->context; + struct hif_device_usb *hif_dev = rx_buf->hif_dev; + struct sk_buff *skb = rx_buf->skb; int ret; if (!skb) @@ -678,14 +683,15 @@ resubmit: return; free: kfree_skb(skb); + kfree(rx_buf); } static void ath9k_hif_usb_reg_in_cb(struct urb *urb) { - struct sk_buff *skb = (struct sk_buff *) urb->context; + struct rx_buf *rx_buf = (struct rx_buf *)urb->context; + struct hif_device_usb *hif_dev = rx_buf->hif_dev; + struct sk_buff *skb = rx_buf->skb; struct sk_buff *nskb; - struct hif_device_usb *hif_dev = - usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0)); int ret; if (!skb) @@ -743,6 +749,7 @@ resubmit: return; free: kfree_skb(skb); + kfree(rx_buf); urb->context = NULL; } @@ -788,7 +795,7 @@ static int ath9k_hif_usb_alloc_tx_urbs(struct hif_device_usb *hif_dev) init_usb_anchor(&hif_dev->mgmt_submitted); for (i = 0; i < MAX_TX_URB_NUM; i++) { - tx_buf = kzalloc(sizeof(struct tx_buf), GFP_KERNEL); + tx_buf = kzalloc(sizeof(*tx_buf), GFP_KERNEL); if (!tx_buf) goto err; @@ -825,8 +832,9 @@ static void ath9k_hif_usb_dealloc_rx_urbs(struct hif_device_usb *hif_dev) static int ath9k_hif_usb_alloc_rx_urbs(struct hif_device_usb *hif_dev) { - struct urb *urb = NULL; + struct rx_buf *rx_buf = NULL; struct sk_buff *skb = NULL; + struct urb *urb = NULL; int i, ret; init_usb_anchor(&hif_dev->rx_submitted); @@ -834,6 +842,12 @@ static int ath9k_hif_usb_alloc_rx_urbs(struct hif_device_usb *hif_dev) for (i = 0; i < MAX_RX_URB_NUM; i++) { + rx_buf = kzalloc(sizeof(*rx_buf), GFP_KERNEL); + if (!rx_buf) { + ret = -ENOMEM; + goto err_rxb; + } + /* Allocate URB */ urb = usb_alloc_urb(0, GFP_KERNEL); if (urb == NULL) { @@ -848,11 +862,14 @@ static int ath9k_hif_usb_alloc_rx_urbs(struct hif_device_usb *hif_dev) goto err_skb; } + rx_buf->hif_dev = hif_dev; + rx_buf->skb = skb; + usb_fill_bulk_urb(urb, hif_dev->udev, usb_rcvbulkpipe(hif_dev->udev, USB_WLAN_RX_PIPE), skb->data, MAX_RX_BUF_SIZE, - ath9k_hif_usb_rx_cb, skb); + ath9k_hif_usb_rx_cb, rx_buf); /* Anchor URB */ usb_anchor_urb(urb, &hif_dev->rx_submitted); @@ -878,6 +895,8 @@ err_submit: err_skb: usb_free_urb(urb); err_urb: + kfree(rx_buf); +err_rxb: ath9k_hif_usb_dealloc_rx_urbs(hif_dev); return ret; } @@ -889,14 +908,21 @@ static void ath9k_hif_usb_dealloc_reg_in_urbs(struct hif_device_usb *hif_dev) static int ath9k_hif_usb_alloc_reg_in_urbs(struct hif_device_usb *hif_dev) { - struct urb *urb = NULL; + struct rx_buf *rx_buf = NULL; struct sk_buff *skb = NULL; + struct urb *urb = NULL; int i, ret; init_usb_anchor(&hif_dev->reg_in_submitted); for (i = 0; i < MAX_REG_IN_URB_NUM; i++) { + rx_buf = kzalloc(sizeof(*rx_buf), GFP_KERNEL); + if (!rx_buf) { + ret = -ENOMEM; + goto err_rxb; + } + /* Allocate URB */ urb = usb_alloc_urb(0, GFP_KERNEL); if (urb == NULL) { @@ -911,11 +937,14 @@ static int ath9k_hif_usb_alloc_reg_in_urbs(struct hif_device_usb *hif_dev) goto err_skb; } + rx_buf->hif_dev = hif_dev; + rx_buf->skb = skb; + usb_fill_int_urb(urb, hif_dev->udev, usb_rcvintpipe(hif_dev->udev, USB_REG_IN_PIPE), skb->data, MAX_REG_IN_BUF_SIZE, - ath9k_hif_usb_reg_in_cb, skb, 1); + ath9k_hif_usb_reg_in_cb, rx_buf, 1); /* Anchor URB */ usb_anchor_urb(urb, &hif_dev->reg_in_submitted); @@ -941,6 +970,8 @@ err_submit: err_skb: usb_free_urb(urb); err_urb: + kfree(rx_buf); +err_rxb: ath9k_hif_usb_dealloc_reg_in_urbs(hif_dev); return ret; } @@ -971,7 +1002,7 @@ err: return -ENOMEM; } -static void ath9k_hif_usb_dealloc_urbs(struct hif_device_usb *hif_dev) +void ath9k_hif_usb_dealloc_urbs(struct hif_device_usb *hif_dev) { usb_kill_anchored_urbs(&hif_dev->regout_submitted); ath9k_hif_usb_dealloc_reg_in_urbs(hif_dev); @@ -1339,8 +1370,9 @@ static void ath9k_hif_usb_disconnect(struct usb_interface *interface) if (hif_dev->flags & HIF_USB_READY) { ath9k_htc_hw_deinit(hif_dev->htc_handle, unplugged); - ath9k_htc_hw_free(hif_dev->htc_handle); ath9k_hif_usb_dev_deinit(hif_dev); + ath9k_destoy_wmi(hif_dev->htc_handle->drv_priv); + ath9k_htc_hw_free(hif_dev->htc_handle); } usb_set_intfdata(interface, NULL); diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.h b/drivers/net/wireless/ath/ath9k/hif_usb.h index 7846916aa01d..5985aa15ca93 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.h +++ b/drivers/net/wireless/ath/ath9k/hif_usb.h @@ -86,6 +86,11 @@ struct tx_buf { struct list_head list; }; +struct rx_buf { + struct sk_buff *skb; + struct hif_device_usb *hif_dev; +}; + #define HIF_USB_TX_STOP BIT(0) #define HIF_USB_TX_FLUSH BIT(1) @@ -133,5 +138,6 @@ struct hif_device_usb { int ath9k_hif_usb_init(void); void ath9k_hif_usb_exit(void); +void ath9k_hif_usb_dealloc_urbs(struct hif_device_usb *hif_dev); #endif /* HTC_USB_H */ diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index da2164b0cccc..66ef5cf16450 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -933,8 +933,9 @@ err_init: int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev, u16 devid, char *product, u32 drv_info) { - struct ieee80211_hw *hw; + struct hif_device_usb *hif_dev; struct ath9k_htc_priv *priv; + struct ieee80211_hw *hw; int ret; hw = ieee80211_alloc_hw(sizeof(struct ath9k_htc_priv), &ath9k_htc_ops); @@ -969,7 +970,10 @@ int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev, return 0; err_init: - ath9k_deinit_wmi(priv); + ath9k_stop_wmi(priv); + hif_dev = (struct hif_device_usb *)htc_handle->hif_dev; + ath9k_hif_usb_dealloc_urbs(hif_dev); + ath9k_destoy_wmi(priv); err_free: ieee80211_free_hw(hw); return ret; @@ -984,7 +988,7 @@ void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug) htc_handle->drv_priv->ah->ah_flags |= AH_UNPLUGGED; ath9k_deinit_device(htc_handle->drv_priv); - ath9k_deinit_wmi(htc_handle->drv_priv); + ath9k_stop_wmi(htc_handle->drv_priv); ieee80211_free_hw(htc_handle->drv_priv->hw); } } diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c index 4748f557c753..11d06021b5e4 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c @@ -999,9 +999,9 @@ static bool ath9k_rx_prepare(struct ath9k_htc_priv *priv, * which are not PHY_ERROR (short radar pulses have a length of 3) */ if (unlikely(!rs_datalen || (rs_datalen < 10 && !is_phyerr))) { - ath_warn(common, - "Short RX data len, dropping (dlen: %d)\n", - rs_datalen); + ath_dbg(common, ANY, + "Short RX data len, dropping (dlen: %d)\n", + rs_datalen); goto rx_next; } diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.c b/drivers/net/wireless/ath/ath9k/htc_hst.c index 1bf63a4efb4c..d2e062eaf561 100644 --- a/drivers/net/wireless/ath/ath9k/htc_hst.c +++ b/drivers/net/wireless/ath/ath9k/htc_hst.c @@ -113,6 +113,9 @@ static void htc_process_conn_rsp(struct htc_target *target, if (svc_rspmsg->status == HTC_SERVICE_SUCCESS) { epid = svc_rspmsg->endpoint_id; + if (epid < 0 || epid >= ENDPOINT_MAX) + return; + service_id = be16_to_cpu(svc_rspmsg->service_id); max_msglen = be16_to_cpu(svc_rspmsg->max_msg_len); endpoint = &target->endpoint[epid]; diff --git a/drivers/net/wireless/ath/ath9k/wmi.c b/drivers/net/wireless/ath/ath9k/wmi.c index 64a354fa78ab..f57f48e4d7a0 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.c +++ b/drivers/net/wireless/ath/ath9k/wmi.c @@ -112,14 +112,17 @@ struct wmi *ath9k_init_wmi(struct ath9k_htc_priv *priv) return wmi; } -void ath9k_deinit_wmi(struct ath9k_htc_priv *priv) +void ath9k_stop_wmi(struct ath9k_htc_priv *priv) { struct wmi *wmi = priv->wmi; mutex_lock(&wmi->op_mutex); wmi->stopped = true; mutex_unlock(&wmi->op_mutex); +} +void ath9k_destoy_wmi(struct ath9k_htc_priv *priv) +{ kfree(priv->wmi); } diff --git a/drivers/net/wireless/ath/ath9k/wmi.h b/drivers/net/wireless/ath/ath9k/wmi.h index 380175d5ecd7..d8b912206232 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.h +++ b/drivers/net/wireless/ath/ath9k/wmi.h @@ -179,7 +179,6 @@ struct wmi { }; struct wmi *ath9k_init_wmi(struct ath9k_htc_priv *priv); -void ath9k_deinit_wmi(struct ath9k_htc_priv *priv); int ath9k_wmi_connect(struct htc_target *htc, struct wmi *wmi, enum htc_endpoint_id *wmi_ctrl_epid); int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id, @@ -189,6 +188,8 @@ int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id, void ath9k_wmi_event_tasklet(unsigned long data); void ath9k_fatal_work(struct work_struct *work); void ath9k_wmi_event_drain(struct ath9k_htc_priv *priv); +void ath9k_stop_wmi(struct ath9k_htc_priv *priv); +void ath9k_destoy_wmi(struct ath9k_htc_priv *priv); #define WMI_CMD(_wmi_cmd) \ do { \ diff --git a/drivers/net/wireless/ath/carl9170/fw.c b/drivers/net/wireless/ath/carl9170/fw.c index 88045f93a76c..62ed0977f32c 100644 --- a/drivers/net/wireless/ath/carl9170/fw.c +++ b/drivers/net/wireless/ath/carl9170/fw.c @@ -351,9 +351,7 @@ static int carl9170_fw(struct ar9170 *ar, const __u8 *data, size_t len) ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC); if (SUPP(CARL9170FW_WLANTX_CAB)) { - if_comb_types |= - BIT(NL80211_IFTYPE_AP) | - BIT(NL80211_IFTYPE_P2P_GO); + if_comb_types |= BIT(NL80211_IFTYPE_AP); #ifdef CONFIG_MAC80211_MESH if_comb_types |= diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c index 988c8857d78c..80312b2fddb1 100644 --- a/drivers/net/wireless/ath/carl9170/main.c +++ b/drivers/net/wireless/ath/carl9170/main.c @@ -582,11 +582,10 @@ static int carl9170_init_interface(struct ar9170 *ar, ar->disable_offload |= ((vif->type != NL80211_IFTYPE_STATION) && (vif->type != NL80211_IFTYPE_AP)); - /* While the driver supports HW offload in a single - * P2P client configuration, it doesn't support HW - * offload in the favourit, concurrent P2P GO+CLIENT - * configuration. Hence, HW offload will always be - * disabled for P2P. + /* The driver used to have P2P GO+CLIENT support, + * but since this was dropped and we don't know if + * there are any gremlins lurking in the shadows, + * so best we keep HW offload disabled for P2P. */ ar->disable_offload |= vif->p2p; @@ -639,18 +638,6 @@ static int carl9170_op_add_interface(struct ieee80211_hw *hw, if (vif->type == NL80211_IFTYPE_STATION) break; - /* P2P GO [master] use-case - * Because the P2P GO station is selected dynamically - * by all participating peers of a WIFI Direct network, - * the driver has be able to change the main interface - * operating mode on the fly. - */ - if (main_vif->p2p && vif->p2p && - vif->type == NL80211_IFTYPE_AP) { - old_main = main_vif; - break; - } - err = -EBUSY; rcu_read_unlock(); diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c index af37c19dbfd7..688152bcfc15 100644 --- a/drivers/net/wireless/ath/wcn36xx/main.c +++ b/drivers/net/wireless/ath/wcn36xx/main.c @@ -1280,7 +1280,7 @@ static int wcn36xx_probe(struct platform_device *pdev) if (addr && ret != ETH_ALEN) { wcn36xx_err("invalid local-mac-address\n"); ret = -EINVAL; - goto out_wq; + goto out_destroy_ept; } else if (addr) { wcn36xx_info("mac address: %pM\n", addr); SET_IEEE80211_PERM_ADDR(wcn->hw, addr); @@ -1288,7 +1288,7 @@ static int wcn36xx_probe(struct platform_device *pdev) ret = wcn36xx_platform_get_resources(wcn, pdev); if (ret) - goto out_wq; + goto out_destroy_ept; wcn36xx_init_ieee80211(wcn); ret = ieee80211_register_hw(wcn->hw); @@ -1300,6 +1300,8 @@ static int wcn36xx_probe(struct platform_device *pdev) out_unmap: iounmap(wcn->ccu_base); iounmap(wcn->dxe_base); +out_destroy_ept: + rpmsg_destroy_ept(wcn->smd_channel); out_wq: ieee80211_free_hw(hw); out_err: diff --git a/drivers/net/wireless/broadcom/b43/main.c b/drivers/net/wireless/broadcom/b43/main.c index b37e7391f55d..8a226a9d755e 100644 --- a/drivers/net/wireless/broadcom/b43/main.c +++ b/drivers/net/wireless/broadcom/b43/main.c @@ -5596,7 +5596,7 @@ static struct b43_wl *b43_wireless_init(struct b43_bus_dev *dev) /* fill hw info */ ieee80211_hw_set(hw, RX_INCLUDES_FCS); ieee80211_hw_set(hw, SIGNAL_DBM); - + ieee80211_hw_set(hw, MFP_CAPABLE); hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_AP) | BIT(NL80211_IFTYPE_MESH_POINT) | diff --git a/drivers/net/wireless/broadcom/b43legacy/main.c b/drivers/net/wireless/broadcom/b43legacy/main.c index f435bd0f8b5b..6f123a52ae2d 100644 --- a/drivers/net/wireless/broadcom/b43legacy/main.c +++ b/drivers/net/wireless/broadcom/b43legacy/main.c @@ -3835,6 +3835,7 @@ static int b43legacy_wireless_init(struct ssb_device *dev) /* fill hw info */ ieee80211_hw_set(hw, RX_INCLUDES_FCS); ieee80211_hw_set(hw, SIGNAL_DBM); + ieee80211_hw_set(hw, MFP_CAPABLE); /* Allow WPA3 in software */ hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_AP) | diff --git a/drivers/net/wireless/broadcom/b43legacy/xmit.c b/drivers/net/wireless/broadcom/b43legacy/xmit.c index 35ccf400b02c..87045e30e585 100644 --- a/drivers/net/wireless/broadcom/b43legacy/xmit.c +++ b/drivers/net/wireless/broadcom/b43legacy/xmit.c @@ -571,6 +571,7 @@ void b43legacy_rx(struct b43legacy_wldev *dev, default: b43legacywarn(dev->wl, "Unexpected value for chanstat (0x%X)\n", chanstat); + goto drop; } memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c index 53ae30259989..473b2b3cb6f5 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c @@ -192,13 +192,14 @@ void brcmf_feat_attach(struct brcmf_pub *drvr) if (!err) ifp->drvr->feat_flags |= BIT(BRCMF_FEAT_SCAN_RANDOM_MAC); + brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_FWSUP, "sup_wpa"); + if (drvr->settings->feature_disable) { brcmf_dbg(INFO, "Features: 0x%02x, disable: 0x%02x\n", ifp->drvr->feat_flags, drvr->settings->feature_disable); ifp->drvr->feat_flags &= ~drvr->settings->feature_disable; } - brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_FWSUP, "sup_wpa"); /* set chip related quirks */ switch (drvr->bus_if->chip) { diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c index 5e8e34a08b2d..79c50aebffc4 100644 --- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c +++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c @@ -1451,7 +1451,8 @@ mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, int idx, u8 *mac, struct station_info *sinfo) { struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - static struct mwifiex_sta_node *node; + struct mwifiex_sta_node *node; + int i; if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && priv->media_connected && idx == 0) { @@ -1461,13 +1462,10 @@ mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST, HostCmd_ACT_GEN_GET, 0, NULL, true); - if (node && (&node->list == &priv->sta_list)) { - node = NULL; - return -ENOENT; - } - - node = list_prepare_entry(node, &priv->sta_list, list); - list_for_each_entry_continue(node, &priv->sta_list, list) { + i = 0; + list_for_each_entry(node, &priv->sta_list, list) { + if (i++ != idx) + continue; ether_addr_copy(mac, node->mac_addr); return mwifiex_dump_station_info(priv, node, sinfo); } diff --git a/drivers/net/wireless/realtek/rtlwifi/usb.c b/drivers/net/wireless/realtek/rtlwifi/usb.c index 93eda23f0123..7a050a75bdcb 100644 --- a/drivers/net/wireless/realtek/rtlwifi/usb.c +++ b/drivers/net/wireless/realtek/rtlwifi/usb.c @@ -910,10 +910,8 @@ static struct urb *_rtl_usb_tx_urb_setup(struct ieee80211_hw *hw, WARN_ON(NULL == skb); _urb = usb_alloc_urb(0, GFP_ATOMIC); - if (!_urb) { - kfree_skb(skb); + if (!_urb) return NULL; - } _rtl_install_trx_info(rtlusb, skb, ep_num); usb_fill_bulk_urb(_urb, rtlusb->udev, usb_sndbulkpipe(rtlusb->udev, ep_num), skb->data, skb->len, _rtl_tx_complete, skb); @@ -927,7 +925,6 @@ static void _rtl_usb_transmit(struct ieee80211_hw *hw, struct sk_buff *skb, struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); u32 ep_num; struct urb *_urb = NULL; - struct sk_buff *_skb = NULL; WARN_ON(NULL == rtlusb->usb_tx_aggregate_hdl); if (unlikely(IS_USB_STOP(rtlusb))) { @@ -936,8 +933,7 @@ static void _rtl_usb_transmit(struct ieee80211_hw *hw, struct sk_buff *skb, return; } ep_num = rtlusb->ep_map.ep_mapping[qnum]; - _skb = skb; - _urb = _rtl_usb_tx_urb_setup(hw, _skb, ep_num); + _urb = _rtl_usb_tx_urb_setup(hw, skb, ep_num); if (unlikely(!_urb)) { pr_err("Can't allocate urb. Drop skb!\n"); kfree_skb(skb); diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index a760c449f4a9..2d95755092e3 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -758,6 +758,19 @@ void nvme_stop_keep_alive(struct nvme_ctrl *ctrl) } EXPORT_SYMBOL_GPL(nvme_stop_keep_alive); +/* + * In NVMe 1.0 the CNS field was just a binary controller or namespace + * flag, thus sending any new CNS opcodes has a big chance of not working. + * Qemu unfortunately had that bug after reporting a 1.1 version compliance + * (but not for any later version). + */ +static bool nvme_ctrl_limited_cns(struct nvme_ctrl *ctrl) +{ + if (ctrl->quirks & NVME_QUIRK_IDENTIFY_CNS) + return ctrl->vs < NVME_VS(1, 2, 0); + return ctrl->vs < NVME_VS(1, 1, 0); +} + static int nvme_identify_ctrl(struct nvme_ctrl *dev, struct nvme_id_ctrl **id) { struct nvme_command c = { }; @@ -2538,8 +2551,7 @@ static void nvme_scan_work(struct work_struct *work) return; nn = le32_to_cpu(id->nn); - if (ctrl->vs >= NVME_VS(1, 1, 0) && - !(ctrl->quirks & NVME_QUIRK_IDENTIFY_CNS)) { + if (!nvme_ctrl_limited_cns(ctrl)) { if (!nvme_scan_ns_list(ctrl, nn)) goto done; } diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index e23bfd9845b1..31cc04aeaaaa 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1446,7 +1446,7 @@ int pci_setup_device(struct pci_dev *dev) /* device class may be changed after fixup */ class = dev->class >> 8; - if (dev->non_compliant_bars) { + if (dev->non_compliant_bars && !dev->mmio_always_on) { pci_read_config_word(dev, PCI_COMMAND, &cmd); if (cmd & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) { dev_info(&dev->dev, "device has non-compliant BARs; disabling IO/MEM decoding\n"); @@ -1557,13 +1557,33 @@ static void pci_configure_mps(struct pci_dev *dev) struct pci_dev *bridge = pci_upstream_bridge(dev); int mps, p_mps, rc; - if (!pci_is_pcie(dev) || !bridge || !pci_is_pcie(bridge)) + if (!pci_is_pcie(dev)) return; /* MPS and MRRS fields are of type 'RsvdP' for VFs, short-circuit out */ if (dev->is_virtfn) return; + /* + * For Root Complex Integrated Endpoints, program the maximum + * supported value unless limited by the PCIE_BUS_PEER2PEER case. + */ + if (pci_pcie_type(dev) == PCI_EXP_TYPE_RC_END) { + if (pcie_bus_config == PCIE_BUS_PEER2PEER) + mps = 128; + else + mps = 128 << dev->pcie_mpss; + rc = pcie_set_mps(dev, mps); + if (rc) { + pci_warn(dev, "can't set Max Payload Size to %d; if necessary, use \"pci=pcie_bus_safe\" and report a bug\n", + mps); + } + return; + } + + if (!bridge || !pci_is_pcie(bridge)) + return; + mps = pcie_get_mps(dev); p_mps = pcie_get_mps(bridge); diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index e7ed051ec125..5f26c170315c 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -27,6 +27,7 @@ #include #include #include +#include #include /* isa_dma_bridge_buggy */ #include "pci.h" @@ -4235,6 +4236,24 @@ static void quirk_chelsio_T5_disable_root_port_attributes(struct pci_dev *pdev) DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_CHELSIO, PCI_ANY_ID, quirk_chelsio_T5_disable_root_port_attributes); +/* + * pci_acs_ctrl_enabled - compare desired ACS controls with those provided + * by a device + * @acs_ctrl_req: Bitmask of desired ACS controls + * @acs_ctrl_ena: Bitmask of ACS controls enabled or provided implicitly by + * the hardware design + * + * Return 1 if all ACS controls in the @acs_ctrl_req bitmask are included + * in @acs_ctrl_ena, i.e., the device provides all the access controls the + * caller desires. Return 0 otherwise. + */ +static int pci_acs_ctrl_enabled(u16 acs_ctrl_req, u16 acs_ctrl_ena) +{ + if ((acs_ctrl_req & acs_ctrl_ena) == acs_ctrl_req) + return 1; + return 0; +} + /* * AMD has indicated that the devices below do not support peer-to-peer * in any system where they are found in the southbridge with an AMD @@ -4278,7 +4297,7 @@ static int pci_quirk_amd_sb_acs(struct pci_dev *dev, u16 acs_flags) /* Filter out flags not applicable to multifunction */ acs_flags &= (PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_EC | PCI_ACS_DT); - return acs_flags & ~(PCI_ACS_RR | PCI_ACS_CR) ? 0 : 1; + return pci_acs_ctrl_enabled(acs_flags, PCI_ACS_RR | PCI_ACS_CR); #else return -ENODEV; #endif @@ -4305,20 +4324,19 @@ static bool pci_quirk_cavium_acs_match(struct pci_dev *dev) static int pci_quirk_cavium_acs(struct pci_dev *dev, u16 acs_flags) { + if (!pci_quirk_cavium_acs_match(dev)) + return -ENOTTY; + /* - * Cavium root ports don't advertise an ACS capability. However, + * Cavium Root Ports don't advertise an ACS capability. However, * the RTL internally implements similar protection as if ACS had - * Request Redirection, Completion Redirection, Source Validation, + * Source Validation, Request Redirection, Completion Redirection, * and Upstream Forwarding features enabled. Assert that the * hardware implements and enables equivalent ACS functionality for * these flags. */ - acs_flags &= ~(PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_SV | PCI_ACS_UF); - - if (!pci_quirk_cavium_acs_match(dev)) - return -ENOTTY; - - return acs_flags ? 0 : 1; + return pci_acs_ctrl_enabled(acs_flags, + PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF); } static int pci_quirk_xgene_acs(struct pci_dev *dev, u16 acs_flags) @@ -4328,13 +4346,12 @@ static int pci_quirk_xgene_acs(struct pci_dev *dev, u16 acs_flags) * transactions with others, allowing masking out these bits as if they * were unimplemented in the ACS capability. */ - acs_flags &= ~(PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF); - - return acs_flags ? 0 : 1; + return pci_acs_ctrl_enabled(acs_flags, + PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF); } /* - * Many Intel PCH root ports do provide ACS-like features to disable peer + * Many Intel PCH Root Ports do provide ACS-like features to disable peer * transactions and validate bus numbers in requests, but do not provide an * actual PCIe ACS capability. This is the list of device IDs known to fall * into that category as provided by Intel in Red Hat bugzilla 1037684. @@ -4382,37 +4399,32 @@ static bool pci_quirk_intel_pch_acs_match(struct pci_dev *dev) return false; } -#define INTEL_PCH_ACS_FLAGS (PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF | PCI_ACS_SV) - static int pci_quirk_intel_pch_acs(struct pci_dev *dev, u16 acs_flags) { - u16 flags = dev->dev_flags & PCI_DEV_FLAGS_ACS_ENABLED_QUIRK ? - INTEL_PCH_ACS_FLAGS : 0; - if (!pci_quirk_intel_pch_acs_match(dev)) return -ENOTTY; - return acs_flags & ~flags ? 0 : 1; + if (dev->dev_flags & PCI_DEV_FLAGS_ACS_ENABLED_QUIRK) + return pci_acs_ctrl_enabled(acs_flags, + PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF); + + return pci_acs_ctrl_enabled(acs_flags, 0); } /* - * These QCOM root ports do provide ACS-like features to disable peer + * These QCOM Root Ports do provide ACS-like features to disable peer * transactions and validate bus numbers in requests, but do not provide an * actual PCIe ACS capability. Hardware supports source validation but it * will report the issue as Completer Abort instead of ACS Violation. - * Hardware doesn't support peer-to-peer and each root port is a root - * complex with unique segment numbers. It is not possible for one root - * port to pass traffic to another root port. All PCIe transactions are - * terminated inside the root port. + * Hardware doesn't support peer-to-peer and each Root Port is a Root + * Complex with unique segment numbers. It is not possible for one Root + * Port to pass traffic to another Root Port. All PCIe transactions are + * terminated inside the Root Port. */ static int pci_quirk_qcom_rp_acs(struct pci_dev *dev, u16 acs_flags) { - u16 flags = (PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF | PCI_ACS_SV); - int ret = acs_flags & ~flags ? 0 : 1; - - dev_info(&dev->dev, "Using QCOM ACS Quirk (%d)\n", ret); - - return ret; + return pci_acs_ctrl_enabled(acs_flags, + PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF); } /* @@ -4495,7 +4507,7 @@ static int pci_quirk_intel_spt_pch_acs(struct pci_dev *dev, u16 acs_flags) pci_read_config_dword(dev, pos + INTEL_SPT_ACS_CTRL, &ctrl); - return acs_flags & ~ctrl ? 0 : 1; + return pci_acs_ctrl_enabled(acs_flags, ctrl); } static int pci_quirk_mf_endpoint_acs(struct pci_dev *dev, u16 acs_flags) @@ -4509,10 +4521,35 @@ static int pci_quirk_mf_endpoint_acs(struct pci_dev *dev, u16 acs_flags) * perform peer-to-peer with other functions, allowing us to mask out * these bits as if they were unimplemented in the ACS capability. */ - acs_flags &= ~(PCI_ACS_SV | PCI_ACS_TB | PCI_ACS_RR | - PCI_ACS_CR | PCI_ACS_UF | PCI_ACS_DT); + return pci_acs_ctrl_enabled(acs_flags, + PCI_ACS_SV | PCI_ACS_TB | PCI_ACS_RR | + PCI_ACS_CR | PCI_ACS_UF | PCI_ACS_DT); +} - return acs_flags ? 0 : 1; +static int pci_quirk_rciep_acs(struct pci_dev *dev, u16 acs_flags) +{ + /* + * Intel RCiEP's are required to allow p2p only on translated + * addresses. Refer to Intel VT-d specification, r3.1, sec 3.16, + * "Root-Complex Peer to Peer Considerations". + */ + if (pci_pcie_type(dev) != PCI_EXP_TYPE_RC_END) + return -ENOTTY; + + return pci_acs_ctrl_enabled(acs_flags, + PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF); +} + +static int pci_quirk_brcm_acs(struct pci_dev *dev, u16 acs_flags) +{ + /* + * iProc PAXB Root Ports don't advertise an ACS capability, but + * they do not allow peer-to-peer transactions between Root Ports. + * Allow each Root Port to be in a separate IOMMU group by masking + * SV/RR/CR/UF bits. + */ + return pci_acs_ctrl_enabled(acs_flags, + PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF); } static const struct pci_dev_acs_enabled { @@ -4585,6 +4622,7 @@ static const struct pci_dev_acs_enabled { /* I219 */ { PCI_VENDOR_ID_INTEL, 0x15b7, pci_quirk_mf_endpoint_acs }, { PCI_VENDOR_ID_INTEL, 0x15b8, pci_quirk_mf_endpoint_acs }, + { PCI_VENDOR_ID_INTEL, PCI_ANY_ID, pci_quirk_rciep_acs }, /* QCOM QDF2xxx root ports */ { 0x17cb, 0x400, pci_quirk_qcom_rp_acs }, { 0x17cb, 0x401, pci_quirk_qcom_rp_acs }, @@ -4597,9 +4635,30 @@ static const struct pci_dev_acs_enabled { { PCI_VENDOR_ID_CAVIUM, PCI_ANY_ID, pci_quirk_cavium_acs }, /* APM X-Gene */ { PCI_VENDOR_ID_AMCC, 0xE004, pci_quirk_xgene_acs }, + /* Ampere Computing */ + { PCI_VENDOR_ID_AMPERE, 0xE005, pci_quirk_xgene_acs }, + { PCI_VENDOR_ID_AMPERE, 0xE006, pci_quirk_xgene_acs }, + { PCI_VENDOR_ID_AMPERE, 0xE007, pci_quirk_xgene_acs }, + { PCI_VENDOR_ID_AMPERE, 0xE008, pci_quirk_xgene_acs }, + { PCI_VENDOR_ID_AMPERE, 0xE009, pci_quirk_xgene_acs }, + { PCI_VENDOR_ID_AMPERE, 0xE00A, pci_quirk_xgene_acs }, + { PCI_VENDOR_ID_AMPERE, 0xE00B, pci_quirk_xgene_acs }, + { PCI_VENDOR_ID_AMPERE, 0xE00C, pci_quirk_xgene_acs }, + { PCI_VENDOR_ID_BROADCOM, 0xD714, pci_quirk_brcm_acs }, { 0 } }; +/* + * pci_dev_specific_acs_enabled - check whether device provides ACS controls + * @dev: PCI device + * @acs_flags: Bitmask of desired ACS controls + * + * Returns: + * -ENOTTY: No quirk applies to this device; we can't tell whether the + * device provides the desired controls + * 0: Device does not provide all the desired controls + * >0: Device provides all the controls in @acs_flags + */ int pci_dev_specific_acs_enabled(struct pci_dev *dev, u16 acs_flags) { const struct pci_dev_acs_enabled *i; @@ -4869,13 +4928,25 @@ static void quirk_intel_qat_vf_cap(struct pci_dev *pdev) } DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x443, quirk_intel_qat_vf_cap); -/* FLR may cause some 82579 devices to hang. */ -static void quirk_intel_no_flr(struct pci_dev *dev) +/* + * FLR may cause the following to devices to hang: + * + * AMD Starship/Matisse HD Audio Controller 0x1487 + * AMD Starship USB 3.0 Host Controller 0x148c + * AMD Matisse USB 3.0 Host Controller 0x149c + * Intel 82579LM Gigabit Ethernet Controller 0x1502 + * Intel 82579V Gigabit Ethernet Controller 0x1503 + * + */ +static void quirk_no_flr(struct pci_dev *dev) { dev->dev_flags |= PCI_DEV_FLAGS_NO_FLR_RESET; } -DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x1502, quirk_intel_no_flr); -DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x1503, quirk_intel_no_flr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AMD, 0x1487, quirk_no_flr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AMD, 0x148c, quirk_no_flr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AMD, 0x149c, quirk_no_flr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x1502, quirk_no_flr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x1503, quirk_no_flr); static void quirk_no_ext_tags(struct pci_dev *pdev) { @@ -4912,3 +4983,63 @@ static void quirk_no_ats(struct pci_dev *pdev) DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x98e4, quirk_no_ats); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x6900, quirk_no_ats); #endif /* CONFIG_PCI_ATS */ + +/* Freescale PCIe doesn't support MSI in RC mode */ +static void quirk_fsl_no_msi(struct pci_dev *pdev) +{ + if (pci_pcie_type(pdev) == PCI_EXP_TYPE_ROOT_PORT) + pdev->no_msi = 1; +} +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_FREESCALE, PCI_ANY_ID, quirk_fsl_no_msi); + +/* + * Although not allowed by the spec, some multi-function devices have + * dependencies of one function (consumer) on another (supplier). For the + * consumer to work in D0, the supplier must also be in D0. Create a + * device link from the consumer to the supplier to enforce this + * dependency. Runtime PM is allowed by default on the consumer to prevent + * it from permanently keeping the supplier awake. + */ +static void pci_create_device_link(struct pci_dev *pdev, unsigned int consumer, + unsigned int supplier, unsigned int class, + unsigned int class_shift) +{ + struct pci_dev *supplier_pdev; + + if (PCI_FUNC(pdev->devfn) != consumer) + return; + + supplier_pdev = pci_get_domain_bus_and_slot(pci_domain_nr(pdev->bus), + pdev->bus->number, + PCI_DEVFN(PCI_SLOT(pdev->devfn), supplier)); + if (!supplier_pdev || (supplier_pdev->class >> class_shift) != class) { + pci_dev_put(supplier_pdev); + return; + } + + if (device_link_add(&pdev->dev, &supplier_pdev->dev, + DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME)) + pci_info(pdev, "D0 power state depends on %s\n", + pci_name(supplier_pdev)); + else + pci_err(pdev, "Cannot enforce power dependency on %s\n", + pci_name(supplier_pdev)); + + pm_runtime_allow(&pdev->dev); + pci_dev_put(supplier_pdev); +} + +/* + * Create device link for GPUs with integrated HDA controller for streaming + * audio to attached displays. + */ +static void quirk_gpu_hda(struct pci_dev *hda) +{ + pci_create_device_link(hda, 1, 0, PCI_BASE_CLASS_DISPLAY, 16); +} +DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_ATI, PCI_ANY_ID, + PCI_CLASS_MULTIMEDIA_HD_AUDIO, 8, quirk_gpu_hda); +DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_AMD, PCI_ANY_ID, + PCI_CLASS_MULTIMEDIA_HD_AUDIO, 8, quirk_gpu_hda); +DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, + PCI_CLASS_MULTIMEDIA_HD_AUDIO, 8, quirk_gpu_hda); diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c index 1c534d823fd7..6925a3d969e2 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos.c @@ -266,6 +266,7 @@ struct exynos_eint_gpio_save { u32 eint_con; u32 eint_fltcon0; u32 eint_fltcon1; + u32 eint_mask; }; /* @@ -561,10 +562,13 @@ static void exynos_pinctrl_suspend_bank( + 2 * bank->eint_offset); save->eint_fltcon1 = readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET + 2 * bank->eint_offset + 4); + save->eint_mask = readl(regs + bank->irq_chip->eint_mask + + bank->eint_offset); pr_debug("%s: save con %#010x\n", bank->name, save->eint_con); pr_debug("%s: save fltcon0 %#010x\n", bank->name, save->eint_fltcon0); pr_debug("%s: save fltcon1 %#010x\n", bank->name, save->eint_fltcon1); + pr_debug("%s: save mask %#010x\n", bank->name, save->eint_mask); } void exynos_pinctrl_suspend(struct samsung_pinctrl_drv_data *drvdata) @@ -593,6 +597,9 @@ static void exynos_pinctrl_resume_bank( pr_debug("%s: fltcon1 %#010x => %#010x\n", bank->name, readl(regs + EXYNOS_GPIO_EFLTCON_OFFSET + 2 * bank->eint_offset + 4), save->eint_fltcon1); + pr_debug("%s: mask %#010x => %#010x\n", bank->name, + readl(regs + bank->irq_chip->eint_mask + + bank->eint_offset), save->eint_mask); writel(save->eint_con, regs + EXYNOS_GPIO_ECON_OFFSET + bank->eint_offset); @@ -600,6 +607,8 @@ static void exynos_pinctrl_resume_bank( + 2 * bank->eint_offset); writel(save->eint_fltcon1, regs + EXYNOS_GPIO_EFLTCON_OFFSET + 2 * bank->eint_offset + 4); + writel(save->eint_mask, regs + bank->irq_chip->eint_mask + + bank->eint_offset); } void exynos_pinctrl_resume(struct samsung_pinctrl_drv_data *drvdata) diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c index 06a3c1ef8eee..952544ca0d84 100644 --- a/drivers/platform/x86/hp-wmi.c +++ b/drivers/platform/x86/hp-wmi.c @@ -474,8 +474,14 @@ static ssize_t postcode_show(struct device *dev, struct device_attribute *attr, static ssize_t als_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - u32 tmp = simple_strtoul(buf, NULL, 10); - int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, HPWMI_WRITE, &tmp, + u32 tmp; + int ret; + + ret = kstrtou32(buf, 10, &tmp); + if (ret) + return ret; + + ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, HPWMI_WRITE, &tmp, sizeof(tmp), sizeof(tmp)); if (ret) return ret < 0 ? ret : -EINVAL; diff --git a/drivers/power/reset/vexpress-poweroff.c b/drivers/power/reset/vexpress-poweroff.c index e9e749f87517..8fb43c4438e6 100644 --- a/drivers/power/reset/vexpress-poweroff.c +++ b/drivers/power/reset/vexpress-poweroff.c @@ -150,6 +150,7 @@ static struct platform_driver vexpress_reset_driver = { .driver = { .name = "vexpress-reset", .of_match_table = vexpress_reset_of_match, + .suppress_bind_attrs = true, }, }; diff --git a/drivers/spi/spi-bcm-qspi.c b/drivers/spi/spi-bcm-qspi.c index 0316fae20cfe..7c86a8ee03aa 100644 --- a/drivers/spi/spi-bcm-qspi.c +++ b/drivers/spi/spi-bcm-qspi.c @@ -683,7 +683,7 @@ static void read_from_hw(struct bcm_qspi *qspi, int slots) if (buf) buf[tp.byte] = read_rxram_slot_u8(qspi, slot); dev_dbg(&qspi->pdev->dev, "RD %02x\n", - buf ? buf[tp.byte] : 0xff); + buf ? buf[tp.byte] : 0x0); } else { u16 *buf = tp.trans->rx_buf; @@ -691,7 +691,7 @@ static void read_from_hw(struct bcm_qspi *qspi, int slots) buf[tp.byte / 2] = read_rxram_slot_u16(qspi, slot); dev_dbg(&qspi->pdev->dev, "RD %04x\n", - buf ? buf[tp.byte] : 0xffff); + buf ? buf[tp.byte / 2] : 0x0); } update_qspi_trans_byte_count(qspi, &tp, @@ -746,13 +746,13 @@ static int write_to_hw(struct bcm_qspi *qspi, struct spi_device *spi) while (!tstatus && slot < MSPI_NUM_CDRAM) { if (tp.trans->bits_per_word <= 8) { const u8 *buf = tp.trans->tx_buf; - u8 val = buf ? buf[tp.byte] : 0xff; + u8 val = buf ? buf[tp.byte] : 0x00; write_txram_slot_u8(qspi, slot, val); dev_dbg(&qspi->pdev->dev, "WR %02x\n", val); } else { const u16 *buf = tp.trans->tx_buf; - u16 val = buf ? buf[tp.byte / 2] : 0xffff; + u16 val = buf ? buf[tp.byte / 2] : 0x0000; write_txram_slot_u16(qspi, slot, val); dev_dbg(&qspi->pdev->dev, "WR %04x\n", val); diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c index eab27d41ba83..df6abc75bc16 100644 --- a/drivers/spi/spi-bcm2835.c +++ b/drivers/spi/spi-bcm2835.c @@ -793,7 +793,7 @@ static int bcm2835_spi_probe(struct platform_device *pdev) goto out_clk_disable; } - err = devm_spi_register_master(&pdev->dev, master); + err = spi_register_master(master); if (err) { dev_err(&pdev->dev, "could not register SPI master: %d\n", err); goto out_clk_disable; @@ -813,6 +813,8 @@ static int bcm2835_spi_remove(struct platform_device *pdev) struct spi_master *master = platform_get_drvdata(pdev); struct bcm2835_spi *bs = spi_master_get_devdata(master); + spi_unregister_master(master); + /* Clear FIFOs, and disable the HW block */ bcm2835_wr(bs, BCM2835_SPI_CS, BCM2835_SPI_CS_CLEAR_RX | BCM2835_SPI_CS_CLEAR_TX); diff --git a/drivers/spi/spi-bcm2835aux.c b/drivers/spi/spi-bcm2835aux.c index e075712c501e..b7f78e6d9bec 100644 --- a/drivers/spi/spi-bcm2835aux.c +++ b/drivers/spi/spi-bcm2835aux.c @@ -485,7 +485,7 @@ static int bcm2835aux_spi_probe(struct platform_device *pdev) goto out_clk_disable; } - err = devm_spi_register_master(&pdev->dev, master); + err = spi_register_master(master); if (err) { dev_err(&pdev->dev, "could not register SPI master: %d\n", err); goto out_clk_disable; @@ -505,6 +505,8 @@ static int bcm2835aux_spi_remove(struct platform_device *pdev) struct spi_master *master = platform_get_drvdata(pdev); struct bcm2835aux_spi *bs = spi_master_get_devdata(master); + spi_unregister_master(master); + bcm2835aux_spi_reset_hw(bs); /* disable the HW block by releasing the clock */ diff --git a/drivers/spi/spi-dw-mid.c b/drivers/spi/spi-dw-mid.c index 837cb8d0bac6..cb268cc4ba2b 100644 --- a/drivers/spi/spi-dw-mid.c +++ b/drivers/spi/spi-dw-mid.c @@ -155,6 +155,7 @@ static struct dma_async_tx_descriptor *dw_spi_dma_prepare_tx(struct dw_spi *dws, if (!xfer->tx_buf) return NULL; + memset(&txconf, 0, sizeof(txconf)); txconf.direction = DMA_MEM_TO_DEV; txconf.dst_addr = dws->dma_addr; txconf.dst_maxburst = 16; @@ -201,6 +202,7 @@ static struct dma_async_tx_descriptor *dw_spi_dma_prepare_rx(struct dw_spi *dws, if (!xfer->rx_buf) return NULL; + memset(&rxconf, 0, sizeof(rxconf)); rxconf.direction = DMA_DEV_TO_MEM; rxconf.src_addr = dws->dma_addr; rxconf.src_maxburst = 16; @@ -226,19 +228,23 @@ static struct dma_async_tx_descriptor *dw_spi_dma_prepare_rx(struct dw_spi *dws, static int mid_spi_dma_setup(struct dw_spi *dws, struct spi_transfer *xfer) { - u16 dma_ctrl = 0; + u16 imr = 0, dma_ctrl = 0; dw_writel(dws, DW_SPI_DMARDLR, 0xf); dw_writel(dws, DW_SPI_DMATDLR, 0x10); - if (xfer->tx_buf) + if (xfer->tx_buf) { dma_ctrl |= SPI_DMA_TDMAE; - if (xfer->rx_buf) + imr |= SPI_INT_TXOI; + } + if (xfer->rx_buf) { dma_ctrl |= SPI_DMA_RDMAE; + imr |= SPI_INT_RXUI | SPI_INT_RXOI; + } dw_writel(dws, DW_SPI_DMACR, dma_ctrl); /* Set the interrupt mask */ - spi_umask_intr(dws, SPI_INT_TXOI | SPI_INT_RXUI | SPI_INT_RXOI); + spi_umask_intr(dws, imr); dws->transfer_handler = dma_transfer; @@ -268,7 +274,7 @@ static int mid_spi_dma_transfer(struct dw_spi *dws, struct spi_transfer *xfer) dma_async_issue_pending(dws->txchan); } - return 0; + return 1; } static void mid_spi_dma_stop(struct dw_spi *dws) diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c index cbdad3c4930f..d2428a8809c1 100644 --- a/drivers/spi/spi-dw.c +++ b/drivers/spi/spi-dw.c @@ -384,11 +384,8 @@ static int dw_spi_transfer_one(struct spi_master *master, spi_enable_chip(dws, 1); - if (dws->dma_mapped) { - ret = dws->dma_ops->dma_transfer(dws, transfer); - if (ret < 0) - return ret; - } + if (dws->dma_mapped) + return dws->dma_ops->dma_transfer(dws, transfer); if (chip->poll_mode) return poll_transfer(dws); @@ -499,6 +496,8 @@ int dw_spi_add_host(struct device *dev, struct dw_spi *dws) dws->dma_addr = (dma_addr_t)(dws->paddr + DW_SPI_DR); spin_lock_init(&dws->buf_lock); + spi_master_set_devdata(master, dws); + ret = request_irq(dws->irq, dw_spi_irq, IRQF_SHARED, dev_name(dev), master); if (ret < 0) { @@ -529,11 +528,11 @@ int dw_spi_add_host(struct device *dev, struct dw_spi *dws) dws->dma_inited = 0; } else { master->can_dma = dws->dma_ops->can_dma; + master->flags |= SPI_CONTROLLER_MUST_TX; } } - spi_master_set_devdata(master, dws); - ret = devm_spi_register_master(dev, master); + ret = spi_register_master(master); if (ret) { dev_err(&master->dev, "problem registering spi master\n"); goto err_dma_exit; @@ -557,6 +556,8 @@ void dw_spi_remove_host(struct dw_spi *dws) { dw_spi_debugfs_remove(dws); + spi_unregister_master(dws->master); + if (dws->dma_ops && dws->dma_ops->dma_exit) dws->dma_ops->dma_exit(dws); diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 5160e16d3a98..1579eb2bc29f 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -156,6 +156,7 @@ static const struct lpss_config lpss_platforms[] = { .tx_threshold_hi = 48, .cs_sel_shift = 8, .cs_sel_mask = 3 << 8, + .cs_clk_stays_gated = true, }, { /* LPSS_CNL_SSP */ .offset = 0x200, @@ -1826,7 +1827,7 @@ static int pxa2xx_spi_probe(struct platform_device *pdev) /* Register with the SPI framework */ platform_set_drvdata(pdev, drv_data); - status = devm_spi_register_master(&pdev->dev, master); + status = spi_register_master(master); if (status != 0) { dev_err(&pdev->dev, "problem registering spi master\n"); goto out_error_clock_enabled; @@ -1856,6 +1857,8 @@ static int pxa2xx_spi_remove(struct platform_device *pdev) pm_runtime_get_sync(&pdev->dev); + spi_unregister_master(drv_data->master); + /* Disable the SSP at the peripheral and SOC level */ pxa2xx_spi_write(drv_data, SSCR0, 0); clk_disable_unprepare(ssp->clk); diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 56035637d8f6..49eee894f51d 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -2264,7 +2264,8 @@ void spi_unregister_controller(struct spi_controller *ctlr) { struct spi_controller *found; int id = ctlr->bus_num; - int dummy; + + device_for_each_child(&ctlr->dev, NULL, __unregister); /* First make sure that this controller was ever added */ mutex_lock(&board_lock); @@ -2278,7 +2279,6 @@ void spi_unregister_controller(struct spi_controller *ctlr) list_del(&ctlr->list); mutex_unlock(&board_lock); - dummy = device_for_each_child(&ctlr->dev, NULL, __unregister); device_unregister(&ctlr->dev); /* free bus id */ mutex_lock(&board_lock); diff --git a/drivers/staging/android/ion/ion_heap.c b/drivers/staging/android/ion/ion_heap.c index babbd94c32d9..33a9777e7a99 100644 --- a/drivers/staging/android/ion/ion_heap.c +++ b/drivers/staging/android/ion/ion_heap.c @@ -105,12 +105,12 @@ int ion_heap_map_user(struct ion_heap *heap, struct ion_buffer *buffer, static int ion_heap_clear_pages(struct page **pages, int num, pgprot_t pgprot) { - void *addr = vm_map_ram(pages, num, -1, pgprot); + void *addr = vmap(pages, num, VM_MAP, pgprot); if (!addr) return -ENOMEM; memset(addr, 0, PAGE_SIZE * num); - vm_unmap_ram(addr, num); + vunmap(addr); return 0; } diff --git a/drivers/staging/greybus/sdio.c b/drivers/staging/greybus/sdio.c index 101ca5097fc9..93e2c091c565 100644 --- a/drivers/staging/greybus/sdio.c +++ b/drivers/staging/greybus/sdio.c @@ -412,6 +412,7 @@ static int gb_sdio_command(struct gb_sdio_host *host, struct mmc_command *cmd) struct gb_sdio_command_request request = {0}; struct gb_sdio_command_response response; struct mmc_data *data = host->mrq->data; + unsigned int timeout_ms; u8 cmd_flags; u8 cmd_type; int i; @@ -470,9 +471,12 @@ static int gb_sdio_command(struct gb_sdio_host *host, struct mmc_command *cmd) request.data_blksz = cpu_to_le16(data->blksz); } - ret = gb_operation_sync(host->connection, GB_SDIO_TYPE_COMMAND, - &request, sizeof(request), &response, - sizeof(response)); + timeout_ms = cmd->busy_timeout ? cmd->busy_timeout : + GB_OPERATION_TIMEOUT_DEFAULT; + + ret = gb_operation_sync_timeout(host->connection, GB_SDIO_TYPE_COMMAND, + &request, sizeof(request), &response, + sizeof(response), timeout_ms); if (ret < 0) goto out; diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 630065b551f5..dfa2db6ed322 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -538,6 +538,11 @@ static void dma_tx_callback(void *data) if (!uart_circ_empty(xmit) && !uart_tx_stopped(&sport->port)) imx_dma_tx(sport); + else if (sport->port.rs485.flags & SER_RS485_ENABLED) { + temp = readl(sport->port.membase + UCR4); + temp |= UCR4_TCEN; + writel(temp, sport->port.membase + UCR4); + } spin_unlock_irqrestore(&sport->port.lock, flags); } @@ -555,6 +560,10 @@ static void imx_dma_tx(struct imx_port *sport) if (sport->dma_is_txing) return; + temp = readl(sport->port.membase + UCR4); + temp &= ~UCR4_TCEN; + writel(temp, sport->port.membase + UCR4); + sport->tx_bytes = uart_circ_chars_pending(xmit); if (xmit->tail < xmit->head || xmit->head == 0) { @@ -617,10 +626,15 @@ static void imx_start_tx(struct uart_port *port) if (!(port->rs485.flags & SER_RS485_RX_DURING_TX)) imx_stop_rx(port); - /* enable transmitter and shifter empty irq */ - temp = readl(port->membase + UCR4); - temp |= UCR4_TCEN; - writel(temp, port->membase + UCR4); + /* + * Enable transmitter and shifter empty irq only if DMA is off. + * In the DMA case this is done in the tx-callback. + */ + if (!sport->dma_is_enabled) { + temp = readl(port->membase + UCR4); + temp |= UCR4_TCEN; + writel(temp, port->membase + UCR4); + } } if (!sport->dma_is_enabled) { diff --git a/drivers/video/fbdev/w100fb.c b/drivers/video/fbdev/w100fb.c index d570e19a2864..ffda1d68fb05 100644 --- a/drivers/video/fbdev/w100fb.c +++ b/drivers/video/fbdev/w100fb.c @@ -583,6 +583,7 @@ static void w100fb_restore_vidmem(struct w100fb_par *par) memsize=par->mach->mem->size; memcpy_toio(remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE), par->saved_extmem, memsize); vfree(par->saved_extmem); + par->saved_extmem = NULL; } if (par->saved_intmem) { memsize=MEM_INT_SIZE; @@ -591,6 +592,7 @@ static void w100fb_restore_vidmem(struct w100fb_par *par) else memcpy_toio(remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE), par->saved_intmem, memsize); vfree(par->saved_intmem); + par->saved_intmem = NULL; } } diff --git a/drivers/w1/masters/omap_hdq.c b/drivers/w1/masters/omap_hdq.c index 3099052e1243..0667bc6e7d23 100644 --- a/drivers/w1/masters/omap_hdq.c +++ b/drivers/w1/masters/omap_hdq.c @@ -176,7 +176,7 @@ static int hdq_write_byte(struct hdq_data *hdq_data, u8 val, u8 *status) /* check irqstatus */ if (!(*status & OMAP_HDQ_INT_STATUS_TXCOMPLETE)) { dev_dbg(hdq_data->dev, "timeout waiting for" - " TXCOMPLETE/RXCOMPLETE, %x", *status); + " TXCOMPLETE/RXCOMPLETE, %x\n", *status); ret = -ETIMEDOUT; goto out; } @@ -187,7 +187,7 @@ static int hdq_write_byte(struct hdq_data *hdq_data, u8 val, u8 *status) OMAP_HDQ_FLAG_CLEAR, &tmp_status); if (ret) { dev_dbg(hdq_data->dev, "timeout waiting GO bit" - " return to zero, %x", tmp_status); + " return to zero, %x\n", tmp_status); } out: @@ -203,7 +203,7 @@ static irqreturn_t hdq_isr(int irq, void *_hdq) spin_lock_irqsave(&hdq_data->hdq_spinlock, irqflags); hdq_data->hdq_irqstatus = hdq_reg_in(hdq_data, OMAP_HDQ_INT_STATUS); spin_unlock_irqrestore(&hdq_data->hdq_spinlock, irqflags); - dev_dbg(hdq_data->dev, "hdq_isr: %x", hdq_data->hdq_irqstatus); + dev_dbg(hdq_data->dev, "hdq_isr: %x\n", hdq_data->hdq_irqstatus); if (hdq_data->hdq_irqstatus & (OMAP_HDQ_INT_STATUS_TXCOMPLETE | OMAP_HDQ_INT_STATUS_RXCOMPLETE @@ -311,7 +311,7 @@ static int omap_hdq_break(struct hdq_data *hdq_data) tmp_status = hdq_data->hdq_irqstatus; /* check irqstatus */ if (!(tmp_status & OMAP_HDQ_INT_STATUS_TIMEOUT)) { - dev_dbg(hdq_data->dev, "timeout waiting for TIMEOUT, %x", + dev_dbg(hdq_data->dev, "timeout waiting for TIMEOUT, %x\n", tmp_status); ret = -ETIMEDOUT; goto out; @@ -338,7 +338,7 @@ static int omap_hdq_break(struct hdq_data *hdq_data) &tmp_status); if (ret) dev_dbg(hdq_data->dev, "timeout waiting INIT&GO bits" - " return to zero, %x", tmp_status); + " return to zero, %x\n", tmp_status); out: mutex_unlock(&hdq_data->hdq_mutex); diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c index 58be15c27b6d..62a0c4111dc4 100644 --- a/drivers/xen/pvcalls-back.c +++ b/drivers/xen/pvcalls-back.c @@ -1104,7 +1104,8 @@ static void set_backend_state(struct xenbus_device *dev, case XenbusStateInitialised: switch (state) { case XenbusStateConnected: - backend_connect(dev); + if (backend_connect(dev)) + return; xenbus_switch_state(dev, XenbusStateConnected); break; case XenbusStateClosing: diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index 717d82d51bb1..edd5f152e448 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -795,10 +795,12 @@ again: nritems = btrfs_header_nritems(path->nodes[0]); if (!nritems || (path->slots[0] >= nritems - 1)) { ret = btrfs_next_leaf(root, path); - if (ret == 1) + if (ret < 0) { + goto out; + } else if (ret > 0) { found_next = 1; - if (ret != 0) goto insert; + } slot = path->slots[0]; } btrfs_item_key_to_cpu(path->nodes[0], &found_key, slot); diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 2a196bb134d9..ad138f0b0ce1 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -1139,8 +1139,8 @@ out_unlock: */ if (extent_reserved) { extent_clear_unlock_delalloc(inode, start, - start + cur_alloc_size, - start + cur_alloc_size, + start + cur_alloc_size - 1, + start + cur_alloc_size - 1, locked_page, clear_bits, page_ops); @@ -8707,7 +8707,6 @@ static int btrfs_submit_direct_hook(struct btrfs_dio_private *dip) /* bio split */ ASSERT(map_length <= INT_MAX); - atomic_inc(&dip->pending_bios); do { clone_len = min_t(int, submit_len, map_length); @@ -8758,7 +8757,8 @@ submit: if (!status) return 0; - bio_put(bio); + if (bio != orig_bio) + bio_put(bio); out_err: dip->errors = 1; /* @@ -8798,7 +8798,7 @@ static void btrfs_submit_direct(struct bio *dio_bio, struct inode *inode, bio->bi_private = dip; dip->orig_bio = bio; dip->dio_bio = dio_bio; - atomic_set(&dip->pending_bios, 0); + atomic_set(&dip->pending_bios, 1); io_bio = btrfs_io_bio(bio); io_bio->logical = file_offset; diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index ca15d65a2070..654ab6e57ec3 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -35,6 +35,7 @@ #include "btrfs_inode.h" #include "transaction.h" #include "compression.h" +#include "xattr.h" /* * Maximum number of references an extent can have in order for us to attempt to @@ -4554,6 +4555,10 @@ static int __process_new_xattr(int num, struct btrfs_key *di_key, struct fs_path *p; struct posix_acl_xattr_header dummy_acl; + /* Capabilities are emitted by finish_inode_if_needed */ + if (!strncmp(name, XATTR_NAME_CAPS, name_len)) + return 0; + p = fs_path_alloc(); if (!p) return -ENOMEM; @@ -5096,6 +5101,64 @@ static int send_extent_data(struct send_ctx *sctx, return 0; } +/* + * Search for a capability xattr related to sctx->cur_ino. If the capability is + * found, call send_set_xattr function to emit it. + * + * Return 0 if there isn't a capability, or when the capability was emitted + * successfully, or < 0 if an error occurred. + */ +static int send_capabilities(struct send_ctx *sctx) +{ + struct fs_path *fspath = NULL; + struct btrfs_path *path; + struct btrfs_dir_item *di; + struct extent_buffer *leaf; + unsigned long data_ptr; + char *buf = NULL; + int buf_len; + int ret = 0; + + path = alloc_path_for_send(); + if (!path) + return -ENOMEM; + + di = btrfs_lookup_xattr(NULL, sctx->send_root, path, sctx->cur_ino, + XATTR_NAME_CAPS, strlen(XATTR_NAME_CAPS), 0); + if (!di) { + /* There is no xattr for this inode */ + goto out; + } else if (IS_ERR(di)) { + ret = PTR_ERR(di); + goto out; + } + + leaf = path->nodes[0]; + buf_len = btrfs_dir_data_len(leaf, di); + + fspath = fs_path_alloc(); + buf = kmalloc(buf_len, GFP_KERNEL); + if (!fspath || !buf) { + ret = -ENOMEM; + goto out; + } + + ret = get_cur_path(sctx, sctx->cur_ino, sctx->cur_inode_gen, fspath); + if (ret < 0) + goto out; + + data_ptr = (unsigned long)(di + 1) + btrfs_dir_name_len(leaf, di); + read_extent_buffer(leaf, buf, data_ptr, buf_len); + + ret = send_set_xattr(sctx, fspath, XATTR_NAME_CAPS, + strlen(XATTR_NAME_CAPS), buf, buf_len); +out: + kfree(buf); + fs_path_free(fspath); + btrfs_free_path(path); + return ret; +} + static int clone_range(struct send_ctx *sctx, struct clone_root *clone_root, const u64 disk_byte, @@ -5907,6 +5970,10 @@ static int finish_inode_if_needed(struct send_ctx *sctx, int at_end) goto out; } + ret = send_capabilities(sctx); + if (ret < 0) + goto out; + /* * If other directory inodes depended on our current directory * inode's move/rename, now do their move/rename operations. diff --git a/fs/ext4/ext4_extents.h b/fs/ext4/ext4_extents.h index a284fb28944b..63291c265aa0 100644 --- a/fs/ext4/ext4_extents.h +++ b/fs/ext4/ext4_extents.h @@ -169,10 +169,13 @@ struct ext4_ext_path { (EXT_FIRST_EXTENT((__hdr__)) + le16_to_cpu((__hdr__)->eh_entries) - 1) #define EXT_LAST_INDEX(__hdr__) \ (EXT_FIRST_INDEX((__hdr__)) + le16_to_cpu((__hdr__)->eh_entries) - 1) -#define EXT_MAX_EXTENT(__hdr__) \ - (EXT_FIRST_EXTENT((__hdr__)) + le16_to_cpu((__hdr__)->eh_max) - 1) +#define EXT_MAX_EXTENT(__hdr__) \ + ((le16_to_cpu((__hdr__)->eh_max)) ? \ + ((EXT_FIRST_EXTENT((__hdr__)) + le16_to_cpu((__hdr__)->eh_max) - 1)) \ + : 0) #define EXT_MAX_INDEX(__hdr__) \ - (EXT_FIRST_INDEX((__hdr__)) + le16_to_cpu((__hdr__)->eh_max) - 1) + ((le16_to_cpu((__hdr__)->eh_max)) ? \ + ((EXT_FIRST_INDEX((__hdr__)) + le16_to_cpu((__hdr__)->eh_max) - 1)) : 0) static inline struct ext4_extent_header *ext_inode_hdr(struct inode *inode) { diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c index 5508baa11bb6..8a28d47bd502 100644 --- a/fs/ext4/fsync.c +++ b/fs/ext4/fsync.c @@ -44,30 +44,28 @@ */ static int ext4_sync_parent(struct inode *inode) { - struct dentry *dentry = NULL; - struct inode *next; + struct dentry *dentry, *next; int ret = 0; if (!ext4_test_inode_state(inode, EXT4_STATE_NEWENTRY)) return 0; - inode = igrab(inode); + dentry = d_find_any_alias(inode); + if (!dentry) + return 0; while (ext4_test_inode_state(inode, EXT4_STATE_NEWENTRY)) { ext4_clear_inode_state(inode, EXT4_STATE_NEWENTRY); - dentry = d_find_any_alias(inode); - if (!dentry) - break; - next = igrab(d_inode(dentry->d_parent)); + + next = dget_parent(dentry); dput(dentry); - if (!next) - break; - iput(inode); - inode = next; + dentry = next; + inode = dentry->d_inode; + /* * The directory inode may have gone through rmdir by now. But * the inode itself and its blocks are still allocated (we hold - * a reference to the inode so it didn't go through - * ext4_evict_inode()) and so we are safe to flush metadata - * blocks and the inode. + * a reference to the inode via its dentry), so it didn't go + * through ext4_evict_inode()) and so we are safe to flush + * metadata blocks and the inode. */ ret = sync_mapping_buffers(inode->i_mapping); if (ret) @@ -76,7 +74,7 @@ static int ext4_sync_parent(struct inode *inode) if (ret) break; } - iput(inode); + dput(dentry); return ret; } diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index b0873b89dc87..823b01f6b0f0 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -1823,8 +1823,11 @@ ext4_xattr_block_find(struct inode *inode, struct ext4_xattr_info *i, if (EXT4_I(inode)->i_file_acl) { /* The inode already has an extended attribute block. */ bs->bh = ext4_sb_bread(sb, EXT4_I(inode)->i_file_acl, REQ_PRIO); - if (IS_ERR(bs->bh)) - return PTR_ERR(bs->bh); + if (IS_ERR(bs->bh)) { + error = PTR_ERR(bs->bh); + bs->bh = NULL; + return error; + } ea_bdebug(bs->bh, "b_count=%d, refcount=%d", atomic_read(&(bs->bh->b_count)), le32_to_cpu(BHDR(bs->bh)->h_refcount)); diff --git a/fs/fat/inode.c b/fs/fat/inode.c index 1df023c4c2cc..c41393e30a04 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -1512,6 +1512,12 @@ static int fat_read_bpb(struct super_block *sb, struct fat_boot_sector *b, goto out; } + if (bpb->fat_fat_length == 0 && bpb->fat32_length == 0) { + if (!silent) + fat_msg(sb, KERN_ERR, "bogus number of FAT sectors"); + goto out; + } + error = 0; out: diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 6398bd8a066e..fe907ff91eeb 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -269,6 +269,7 @@ void __inode_attach_wb(struct inode *inode, struct page *page) if (unlikely(cmpxchg(&inode->i_wb, NULL, wb))) wb_put(wb); } +EXPORT_SYMBOL_GPL(__inode_attach_wb); /** * locked_inode_to_wb_and_lock_list - determine a locked inode's wb and lock it diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index 50e12956c737..5d1e5832690e 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -2794,6 +2794,8 @@ int nilfs_attach_log_writer(struct super_block *sb, struct nilfs_root *root) if (!nilfs->ns_writer) return -ENOMEM; + inode_attach_wb(nilfs->ns_bdev->bd_inode, NULL); + err = nilfs_segctor_start_thread(nilfs->ns_writer); if (err) { kfree(nilfs->ns_writer); diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c index 321eae740148..b97fc1df6212 100644 --- a/fs/overlayfs/copy_up.c +++ b/fs/overlayfs/copy_up.c @@ -59,7 +59,7 @@ int ovl_copy_xattr(struct dentry *old, struct dentry *new) { ssize_t list_size, size, value_size = 0; char *buf, *name, *value = NULL; - int uninitialized_var(error); + int error = 0; size_t slen; if (!(old->d_inode->i_opflags & IOP_XATTR) || diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 225f541f7078..d8e1249adb18 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -432,7 +432,7 @@ const struct inode_operations proc_link_inode_operations = { struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de) { - struct inode *inode = new_inode_pseudo(sb); + struct inode *inode = new_inode(sb); if (inode) { inode->i_ino = de->low_ino; diff --git a/fs/proc/self.c b/fs/proc/self.c index 31326bb23b8b..398cdf9a9f0c 100644 --- a/fs/proc/self.c +++ b/fs/proc/self.c @@ -41,7 +41,7 @@ int proc_setup_self(struct super_block *s) inode_lock(root_inode); self = d_alloc_name(s->s_root, "self"); if (self) { - struct inode *inode = new_inode_pseudo(s); + struct inode *inode = new_inode(s); if (inode) { inode->i_ino = self_inum; inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); diff --git a/fs/proc/thread_self.c b/fs/proc/thread_self.c index b813e3b529f2..c6cd35e5ef5d 100644 --- a/fs/proc/thread_self.c +++ b/fs/proc/thread_self.c @@ -42,7 +42,7 @@ int proc_setup_thread_self(struct super_block *s) inode_lock(root_inode); thread_self = d_alloc_name(s->s_root, "thread-self"); if (thread_self) { - struct inode *inode = new_inode_pseudo(s); + struct inode *inode = new_inode(s); if (inode) { inode->i_ino = thread_self_inum; inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h index e465bb15912d..6be5545d3584 100644 --- a/include/linux/kgdb.h +++ b/include/linux/kgdb.h @@ -317,7 +317,7 @@ extern void gdbstub_exit(int status); extern int kgdb_single_step; extern atomic_t kgdb_active; #define in_dbg_master() \ - (raw_smp_processor_id() == atomic_read(&kgdb_active)) + (irqs_disabled() && (smp_processor_id() == atomic_read(&kgdb_active))) extern bool dbg_is_early; extern void __init dbg_late_init(void); #else /* ! CONFIG_KGDB */ diff --git a/include/linux/mm.h b/include/linux/mm.h index 6f852d5fbada..156940758fc5 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -548,6 +548,7 @@ static inline void *kvmalloc_array(size_t n, size_t size, gfp_t flags) } extern void kvfree(const void *addr); +extern void kvfree_sensitive(const void *addr, size_t len); /* * Mapcount of compound page as a whole, does not include mapped sub-pages. diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 7fa3f1498b34..2d036930a3cd 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -45,6 +45,7 @@ #define PCI_CLASS_MULTIMEDIA_VIDEO 0x0400 #define PCI_CLASS_MULTIMEDIA_AUDIO 0x0401 #define PCI_CLASS_MULTIMEDIA_PHONE 0x0402 +#define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403 #define PCI_CLASS_MULTIMEDIA_OTHER 0x0480 #define PCI_BASE_CLASS_MEMORY 0x05 @@ -1331,6 +1332,7 @@ #define PCI_DEVICE_ID_IMS_TT3D 0x9135 #define PCI_VENDOR_ID_AMCC 0x10e8 +#define PCI_VENDOR_ID_AMPERE 0x1def #define PCI_VENDOR_ID_INTERG 0x10ea #define PCI_DEVICE_ID_INTERG_1682 0x1682 diff --git a/include/linux/string.h b/include/linux/string.h index 3d43329c20be..315fef3aff4e 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -238,6 +238,31 @@ void __read_overflow3(void) __compiletime_error("detected read beyond size of ob void __write_overflow(void) __compiletime_error("detected write beyond size of object passed as 1st parameter"); #if !defined(__NO_FORTIFY) && defined(__OPTIMIZE__) && defined(CONFIG_FORTIFY_SOURCE) + +#ifdef CONFIG_KASAN +extern void *__underlying_memchr(const void *p, int c, __kernel_size_t size) __RENAME(memchr); +extern int __underlying_memcmp(const void *p, const void *q, __kernel_size_t size) __RENAME(memcmp); +extern void *__underlying_memcpy(void *p, const void *q, __kernel_size_t size) __RENAME(memcpy); +extern void *__underlying_memmove(void *p, const void *q, __kernel_size_t size) __RENAME(memmove); +extern void *__underlying_memset(void *p, int c, __kernel_size_t size) __RENAME(memset); +extern char *__underlying_strcat(char *p, const char *q) __RENAME(strcat); +extern char *__underlying_strcpy(char *p, const char *q) __RENAME(strcpy); +extern __kernel_size_t __underlying_strlen(const char *p) __RENAME(strlen); +extern char *__underlying_strncat(char *p, const char *q, __kernel_size_t count) __RENAME(strncat); +extern char *__underlying_strncpy(char *p, const char *q, __kernel_size_t size) __RENAME(strncpy); +#else +#define __underlying_memchr __builtin_memchr +#define __underlying_memcmp __builtin_memcmp +#define __underlying_memcpy __builtin_memcpy +#define __underlying_memmove __builtin_memmove +#define __underlying_memset __builtin_memset +#define __underlying_strcat __builtin_strcat +#define __underlying_strcpy __builtin_strcpy +#define __underlying_strlen __builtin_strlen +#define __underlying_strncat __builtin_strncat +#define __underlying_strncpy __builtin_strncpy +#endif + __FORTIFY_INLINE char *strncpy(char *p, const char *q, __kernel_size_t size) { size_t p_size = __builtin_object_size(p, 0); @@ -245,14 +270,14 @@ __FORTIFY_INLINE char *strncpy(char *p, const char *q, __kernel_size_t size) __write_overflow(); if (p_size < size) fortify_panic(__func__); - return __builtin_strncpy(p, q, size); + return __underlying_strncpy(p, q, size); } __FORTIFY_INLINE char *strcat(char *p, const char *q) { size_t p_size = __builtin_object_size(p, 0); if (p_size == (size_t)-1) - return __builtin_strcat(p, q); + return __underlying_strcat(p, q); if (strlcat(p, q, p_size) >= p_size) fortify_panic(__func__); return p; @@ -266,7 +291,7 @@ __FORTIFY_INLINE __kernel_size_t strlen(const char *p) /* Work around gcc excess stack consumption issue */ if (p_size == (size_t)-1 || (__builtin_constant_p(p[p_size - 1]) && p[p_size - 1] == '\0')) - return __builtin_strlen(p); + return __underlying_strlen(p); ret = strnlen(p, p_size); if (p_size <= ret) fortify_panic(__func__); @@ -299,7 +324,7 @@ __FORTIFY_INLINE size_t strlcpy(char *p, const char *q, size_t size) __write_overflow(); if (len >= p_size) fortify_panic(__func__); - __builtin_memcpy(p, q, len); + __underlying_memcpy(p, q, len); p[len] = '\0'; } return ret; @@ -312,12 +337,12 @@ __FORTIFY_INLINE char *strncat(char *p, const char *q, __kernel_size_t count) size_t p_size = __builtin_object_size(p, 0); size_t q_size = __builtin_object_size(q, 0); if (p_size == (size_t)-1 && q_size == (size_t)-1) - return __builtin_strncat(p, q, count); + return __underlying_strncat(p, q, count); p_len = strlen(p); copy_len = strnlen(q, count); if (p_size < p_len + copy_len + 1) fortify_panic(__func__); - __builtin_memcpy(p + p_len, q, copy_len); + __underlying_memcpy(p + p_len, q, copy_len); p[p_len + copy_len] = '\0'; return p; } @@ -329,7 +354,7 @@ __FORTIFY_INLINE void *memset(void *p, int c, __kernel_size_t size) __write_overflow(); if (p_size < size) fortify_panic(__func__); - return __builtin_memset(p, c, size); + return __underlying_memset(p, c, size); } __FORTIFY_INLINE void *memcpy(void *p, const void *q, __kernel_size_t size) @@ -344,7 +369,7 @@ __FORTIFY_INLINE void *memcpy(void *p, const void *q, __kernel_size_t size) } if (p_size < size || q_size < size) fortify_panic(__func__); - return __builtin_memcpy(p, q, size); + return __underlying_memcpy(p, q, size); } __FORTIFY_INLINE void *memmove(void *p, const void *q, __kernel_size_t size) @@ -359,7 +384,7 @@ __FORTIFY_INLINE void *memmove(void *p, const void *q, __kernel_size_t size) } if (p_size < size || q_size < size) fortify_panic(__func__); - return __builtin_memmove(p, q, size); + return __underlying_memmove(p, q, size); } extern void *__real_memscan(void *, int, __kernel_size_t) __RENAME(memscan); @@ -385,7 +410,7 @@ __FORTIFY_INLINE int memcmp(const void *p, const void *q, __kernel_size_t size) } if (p_size < size || q_size < size) fortify_panic(__func__); - return __builtin_memcmp(p, q, size); + return __underlying_memcmp(p, q, size); } __FORTIFY_INLINE void *memchr(const void *p, int c, __kernel_size_t size) @@ -395,7 +420,7 @@ __FORTIFY_INLINE void *memchr(const void *p, int c, __kernel_size_t size) __read_overflow(); if (p_size < size) fortify_panic(__func__); - return __builtin_memchr(p, c, size); + return __underlying_memchr(p, c, size); } void *__real_memchr_inv(const void *s, int c, size_t n) __RENAME(memchr_inv); @@ -426,11 +451,22 @@ __FORTIFY_INLINE char *strcpy(char *p, const char *q) size_t p_size = __builtin_object_size(p, 0); size_t q_size = __builtin_object_size(q, 0); if (p_size == (size_t)-1 && q_size == (size_t)-1) - return __builtin_strcpy(p, q); + return __underlying_strcpy(p, q); memcpy(p, q, strlen(q) + 1); return p; } +/* Don't use these outside the FORITFY_SOURCE implementation */ +#undef __underlying_memchr +#undef __underlying_memcmp +#undef __underlying_memcpy +#undef __underlying_memmove +#undef __underlying_memset +#undef __underlying_strcat +#undef __underlying_strcpy +#undef __underlying_strlen +#undef __underlying_strncat +#undef __underlying_strncpy #endif /** diff --git a/include/linux/sunrpc/gss_api.h b/include/linux/sunrpc/gss_api.h index 5ac5db4d295f..566d5f547567 100644 --- a/include/linux/sunrpc/gss_api.h +++ b/include/linux/sunrpc/gss_api.h @@ -83,6 +83,7 @@ struct pf_desc { u32 service; char *name; char *auth_domain_name; + struct auth_domain *domain; bool datatouch; }; diff --git a/include/linux/sunrpc/svcauth_gss.h b/include/linux/sunrpc/svcauth_gss.h index a4528b26c8aa..d229d27ab19e 100644 --- a/include/linux/sunrpc/svcauth_gss.h +++ b/include/linux/sunrpc/svcauth_gss.h @@ -21,7 +21,8 @@ int gss_svc_init(void); void gss_svc_shutdown(void); int gss_svc_init_net(struct net *net); void gss_svc_shutdown_net(struct net *net); -int svcauth_gss_register_pseudoflavor(u32 pseudoflavor, char * name); +struct auth_domain *svcauth_gss_register_pseudoflavor(u32 pseudoflavor, + char *name); u32 svcauth_gss_flavor(struct auth_domain *dom); #endif /* __KERNEL__ */ diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h index 251e655d407f..ec4f0053d6d8 100644 --- a/include/linux/uaccess.h +++ b/include/linux/uaccess.h @@ -267,7 +267,7 @@ extern long strncpy_from_unsafe(char *dst, const void *unsafe_addr, long count); probe_kernel_read(&retval, addr, sizeof(retval)) #ifndef user_access_begin -#define user_access_begin() do { } while (0) +#define user_access_begin(type, ptr, len) access_ok(type, ptr, len) #define user_access_end() do { } while (0) #define unsafe_get_user(x, ptr, err) do { if (unlikely(__get_user(x, ptr))) goto err; } while (0) #define unsafe_put_user(x, ptr, err) do { if (unlikely(__put_user(x, ptr))) goto err; } while (0) diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h index 960bedbdec87..77f0f0af3a71 100644 --- a/include/linux/vga_switcheroo.h +++ b/include/linux/vga_switcheroo.h @@ -168,11 +168,8 @@ int vga_switcheroo_process_delayed_switch(void); bool vga_switcheroo_client_probe_defer(struct pci_dev *pdev); enum vga_switcheroo_state vga_switcheroo_get_client_state(struct pci_dev *dev); -void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic); - int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain); void vga_switcheroo_fini_domain_pm_ops(struct device *dev); -int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain); #else static inline void vga_switcheroo_unregister_client(struct pci_dev *dev) {} @@ -192,11 +189,8 @@ static inline int vga_switcheroo_process_delayed_switch(void) { return 0; } static inline bool vga_switcheroo_client_probe_defer(struct pci_dev *pdev) { return false; } static inline enum vga_switcheroo_state vga_switcheroo_get_client_state(struct pci_dev *dev) { return VGA_SWITCHEROO_ON; } -static inline void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic) {} - static inline int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain) { return -EINVAL; } static inline void vga_switcheroo_fini_domain_pm_ops(struct device *dev) {} -static inline int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain) { return -EINVAL; } #endif #endif /* _LINUX_VGA_SWITCHEROO_H_ */ diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h index 926ea701cdc4..5d0bf1688eba 100644 --- a/include/sound/hdaudio.h +++ b/include/sound/hdaudio.h @@ -228,9 +228,6 @@ struct hdac_io_ops { #define HDA_UNSOL_QUEUE_SIZE 64 #define HDA_MAX_CODECS 8 /* limit by controller side */ -/* HD Audio class code */ -#define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403 - /* * CORB/RIRB * diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index 27c62abb6c9e..efe8873943f6 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -189,9 +189,11 @@ struct kvm_hyperv_exit { #define KVM_EXIT_HYPERV_SYNIC 1 #define KVM_EXIT_HYPERV_HCALL 2 __u32 type; + __u32 pad1; union { struct { __u32 msr; + __u32 pad2; __u64 control; __u64 evt_page; __u64 msg_page; diff --git a/kernel/audit.c b/kernel/audit.c index aa6d5e39526b..6faaa908544a 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -853,7 +853,7 @@ main_queue: return 0; } -int audit_send_list(void *_dest) +int audit_send_list_thread(void *_dest) { struct audit_netlink_list *dest = _dest; struct sk_buff *skb; @@ -897,19 +897,30 @@ out_kfree_skb: return NULL; } +static void audit_free_reply(struct audit_reply *reply) +{ + if (!reply) + return; + + if (reply->skb) + kfree_skb(reply->skb); + if (reply->net) + put_net(reply->net); + kfree(reply); +} + static int audit_send_reply_thread(void *arg) { struct audit_reply *reply = (struct audit_reply *)arg; - struct sock *sk = audit_get_sk(reply->net); mutex_lock(&audit_cmd_mutex); mutex_unlock(&audit_cmd_mutex); /* Ignore failure. It'll only happen if the sender goes away, because our timeout is set to infinite. */ - netlink_unicast(sk, reply->skb, reply->portid, 0); - put_net(reply->net); - kfree(reply); + netlink_unicast(audit_get_sk(reply->net), reply->skb, reply->portid, 0); + reply->skb = NULL; + audit_free_reply(reply); return 0; } @@ -923,35 +934,32 @@ static int audit_send_reply_thread(void *arg) * @payload: payload data * @size: payload size * - * Allocates an skb, builds the netlink message, and sends it to the port id. - * No failure notifications. + * Allocates a skb, builds the netlink message, and sends it to the port id. */ static void audit_send_reply(struct sk_buff *request_skb, int seq, int type, int done, int multi, const void *payload, int size) { - struct net *net = sock_net(NETLINK_CB(request_skb).sk); - struct sk_buff *skb; struct task_struct *tsk; - struct audit_reply *reply = kmalloc(sizeof(struct audit_reply), - GFP_KERNEL); + struct audit_reply *reply; + reply = kzalloc(sizeof(*reply), GFP_KERNEL); if (!reply) return; - skb = audit_make_reply(seq, type, done, multi, payload, size); - if (!skb) - goto out; - - reply->net = get_net(net); + reply->skb = audit_make_reply(seq, type, done, multi, payload, size); + if (!reply->skb) + goto err; + reply->net = get_net(sock_net(NETLINK_CB(request_skb).sk)); reply->portid = NETLINK_CB(request_skb).portid; - reply->skb = skb; tsk = kthread_run(audit_send_reply_thread, reply, "audit_send_reply"); - if (!IS_ERR(tsk)) - return; - kfree_skb(skb); -out: - kfree(reply); + if (IS_ERR(tsk)) + goto err; + + return; + +err: + audit_free_reply(reply); } /* diff --git a/kernel/audit.h b/kernel/audit.h index 9b110ae17ee3..1007773b0b81 100644 --- a/kernel/audit.h +++ b/kernel/audit.h @@ -248,7 +248,7 @@ struct audit_netlink_list { struct sk_buff_head q; }; -int audit_send_list(void *_dest); +int audit_send_list_thread(void *_dest); extern int selinux_audit_rule_update(void); diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index 16cf396ea738..f26f4cb5d08d 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -1137,11 +1137,8 @@ int audit_rule_change(int type, int seq, void *data, size_t datasz) */ int audit_list_rules_send(struct sk_buff *request_skb, int seq) { - u32 portid = NETLINK_CB(request_skb).portid; - struct net *net = sock_net(NETLINK_CB(request_skb).sk); struct task_struct *tsk; struct audit_netlink_list *dest; - int err = 0; /* We can't just spew out the rules here because we might fill * the available socket buffer space and deadlock waiting for @@ -1149,25 +1146,26 @@ int audit_list_rules_send(struct sk_buff *request_skb, int seq) * happen if we're actually running in the context of auditctl * trying to _send_ the stuff */ - dest = kmalloc(sizeof(struct audit_netlink_list), GFP_KERNEL); + dest = kmalloc(sizeof(*dest), GFP_KERNEL); if (!dest) return -ENOMEM; - dest->net = get_net(net); - dest->portid = portid; + dest->net = get_net(sock_net(NETLINK_CB(request_skb).sk)); + dest->portid = NETLINK_CB(request_skb).portid; skb_queue_head_init(&dest->q); mutex_lock(&audit_filter_mutex); audit_list_rules(seq, &dest->q); mutex_unlock(&audit_filter_mutex); - tsk = kthread_run(audit_send_list, dest, "audit_send_list"); + tsk = kthread_run(audit_send_list_thread, dest, "audit_send_list"); if (IS_ERR(tsk)) { skb_queue_purge(&dest->q); + put_net(dest->net); kfree(dest); - err = PTR_ERR(tsk); + return PTR_ERR(tsk); } - return err; + return 0; } int audit_comparator(u32 left, u32 op, u32 right) diff --git a/kernel/compat.c b/kernel/compat.c index 7e83733d4c95..45ae3ace49c2 100644 --- a/kernel/compat.c +++ b/kernel/compat.c @@ -437,10 +437,9 @@ long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask, bitmap_size = ALIGN(bitmap_size, BITS_PER_COMPAT_LONG); nr_compat_longs = BITS_TO_COMPAT_LONGS(bitmap_size); - if (!access_ok(VERIFY_READ, umask, bitmap_size / 8)) + if (!user_access_begin(VERIFY_READ, umask, bitmap_size / 8)) return -EFAULT; - user_access_begin(); while (nr_compat_longs > 1) { compat_ulong_t l1, l2; unsafe_get_user(l1, umask++, Efault); @@ -467,10 +466,9 @@ long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask, bitmap_size = ALIGN(bitmap_size, BITS_PER_COMPAT_LONG); nr_compat_longs = BITS_TO_COMPAT_LONGS(bitmap_size); - if (!access_ok(VERIFY_WRITE, umask, bitmap_size / 8)) + if (!user_access_begin(VERIFY_WRITE, umask, bitmap_size / 8)) return -EFAULT; - user_access_begin(); while (nr_compat_longs > 1) { unsigned long m = *mask++; unsafe_put_user((compat_ulong_t)m, umask++, Efault); diff --git a/kernel/cpu_pm.c b/kernel/cpu_pm.c index 67b02e138a47..2ed6351e2a7e 100644 --- a/kernel/cpu_pm.c +++ b/kernel/cpu_pm.c @@ -89,7 +89,7 @@ EXPORT_SYMBOL_GPL(cpu_pm_unregister_notifier); */ int cpu_pm_enter(void) { - int nr_calls; + int nr_calls = 0; int ret = 0; ret = cpu_pm_notify(CPU_PM_ENTER, -1, &nr_calls); @@ -140,7 +140,7 @@ EXPORT_SYMBOL_GPL(cpu_pm_exit); */ int cpu_cluster_pm_enter(void) { - int nr_calls; + int nr_calls = 0; int ret = 0; ret = cpu_pm_notify(CPU_CLUSTER_PM_ENTER, -1, &nr_calls); diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c index 94aa9ae0007a..159a53ff2716 100644 --- a/kernel/debug/debug_core.c +++ b/kernel/debug/debug_core.c @@ -444,6 +444,7 @@ static int kgdb_reenter_check(struct kgdb_state *ks) if (exception_level > 1) { dump_stack(); + kgdb_io_module_registered = false; panic("Recursive entry to debugger"); } diff --git a/kernel/events/core.c b/kernel/events/core.c index 5636c9c48545..e50b140053f9 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -94,11 +94,11 @@ static void remote_function(void *data) * @info: the function call argument * * Calls the function @func when the task is currently running. This might - * be on the current CPU, which just calls the function directly + * be on the current CPU, which just calls the function directly. This will + * retry due to any failures in smp_call_function_single(), such as if the + * task_cpu() goes offline concurrently. * - * returns: @func return value, or - * -ESRCH - when the process isn't running - * -EAGAIN - when the process moved away + * returns @func return value or -ESRCH when the process isn't running */ static int task_function_call(struct task_struct *p, remote_function_f func, void *info) @@ -111,11 +111,16 @@ task_function_call(struct task_struct *p, remote_function_f func, void *info) }; int ret; - do { - ret = smp_call_function_single(task_cpu(p), remote_function, &data, 1); - if (!ret) - ret = data.ret; - } while (ret == -EAGAIN); + for (;;) { + ret = smp_call_function_single(task_cpu(p), remote_function, + &data, 1); + ret = !ret ? data.ret : -EAGAIN; + + if (ret != -EAGAIN) + break; + + cond_resched(); + } return ret; } diff --git a/kernel/exit.c b/kernel/exit.c index d1baf9c96c3e..7a7984d7a4d8 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -770,8 +770,12 @@ void __noreturn do_exit(long code) struct task_struct *tsk = current; int group_dead; - profile_task_exit(tsk); - kcov_task_exit(tsk); + /* + * We can get here from a kernel oops, sometimes with preemption off. + * Start by checking for critical errors. + * Then fix up important state like USER_DS and preemption. + * Then do everything else. + */ WARN_ON(blk_needs_flush_plug(tsk)); @@ -789,6 +793,16 @@ void __noreturn do_exit(long code) */ set_fs(USER_DS); + if (unlikely(in_atomic())) { + pr_info("note: %s[%d] exited with preempt_count %d\n", + current->comm, task_pid_nr(current), + preempt_count()); + preempt_count_set(PREEMPT_ENABLED); + } + + profile_task_exit(tsk); + kcov_task_exit(tsk); + ptrace_event(PTRACE_EVENT_EXIT, code); validate_creds_for_do_exit(tsk); @@ -806,13 +820,6 @@ void __noreturn do_exit(long code) exit_signals(tsk); /* sets PF_EXITING */ - if (unlikely(in_atomic())) { - pr_info("note: %s[%d] exited with preempt_count %d\n", - current->comm, task_pid_nr(current), - preempt_count()); - preempt_count_set(PREEMPT_ENABLED); - } - /* sync mm's RSS info before statistics gathering */ if (tsk->mm) sync_mm_rss(tsk->mm); @@ -1597,10 +1604,9 @@ SYSCALL_DEFINE5(waitid, int, which, pid_t, upid, struct siginfo __user *, if (!infop) return err; - if (!access_ok(VERIFY_WRITE, infop, sizeof(*infop))) + if (!user_access_begin(VERIFY_WRITE, infop, sizeof(*infop))) return -EFAULT; - user_access_begin(); unsafe_put_user(signo, &infop->si_signo, Efault); unsafe_put_user(0, &infop->si_errno, Efault); unsafe_put_user(info.cause, &infop->si_code, Efault); @@ -1725,10 +1731,9 @@ COMPAT_SYSCALL_DEFINE5(waitid, if (!infop) return err; - if (!access_ok(VERIFY_WRITE, infop, sizeof(*infop))) + if (!user_access_begin(VERIFY_WRITE, infop, sizeof(*infop))) return -EFAULT; - user_access_begin(); unsafe_put_user(signo, &infop->si_signo, Efault); unsafe_put_user(0, &infop->si_errno, Efault); unsafe_put_user(info.cause, &infop->si_code, Efault); diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 0b4e997fea1a..4d8add44fffb 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -2643,7 +2643,7 @@ void task_tick_numa(struct rq *rq, struct task_struct *curr) /* * We don't care about NUMA placement if we don't have memory. */ - if (!curr->mm || (curr->flags & PF_EXITING) || work->next != work) + if ((curr->flags & (PF_EXITING | PF_KTHREAD)) || work->next != work) return; /* diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h index e01b705556aa..6c5229f98c9e 100644 --- a/lib/mpi/longlong.h +++ b/lib/mpi/longlong.h @@ -671,7 +671,7 @@ do { \ ************** MIPS/64 ************** ***************************************/ #if (defined(__mips) && __mips >= 3) && W_TYPE_SIZE == 64 -#if defined(__mips_isa_rev) && __mips_isa_rev >= 6 +#if defined(__mips_isa_rev) && __mips_isa_rev >= 6 && defined(CONFIG_CC_IS_GCC) /* * GCC ends up emitting a __multi3 intrinsic call for MIPS64r6 with the plain C * code below, so we special case MIPS64r6 until the compiler can do better. diff --git a/lib/strncpy_from_user.c b/lib/strncpy_from_user.c index e304b54c9c7d..fc5b1e2d997d 100644 --- a/lib/strncpy_from_user.c +++ b/lib/strncpy_from_user.c @@ -29,13 +29,6 @@ static inline long do_strncpy_from_user(char *dst, const char __user *src, const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS; unsigned long res = 0; - /* - * Truncate 'max' to the user-specified limit, so that - * we only have one limit we need to check in the loop - */ - if (max > count) - max = count; - if (IS_UNALIGNED(src, dst)) goto byte_at_a_time; @@ -113,12 +106,20 @@ long strncpy_from_user(char *dst, const char __user *src, long count) unsigned long max = max_addr - src_addr; long retval; + /* + * Truncate 'max' to the user-specified limit, so that + * we only have one limit we need to check in the loop + */ + if (max > count) + max = count; + kasan_check_write(dst, count); check_object_size(dst, count, false); - user_access_begin(); - retval = do_strncpy_from_user(dst, src, count, max); - user_access_end(); - return retval; + if (user_access_begin(VERIFY_READ, src, max)) { + retval = do_strncpy_from_user(dst, src, count, max); + user_access_end(); + return retval; + } } return -EFAULT; } diff --git a/lib/strnlen_user.c b/lib/strnlen_user.c index 184f80f7bacf..0bf7c06ebdad 100644 --- a/lib/strnlen_user.c +++ b/lib/strnlen_user.c @@ -31,13 +31,6 @@ static inline long do_strnlen_user(const char __user *src, unsigned long count, unsigned long align, res = 0; unsigned long c; - /* - * Truncate 'max' to the user-specified limit, so that - * we only have one limit we need to check in the loop - */ - if (max > count) - max = count; - /* * Do everything aligned. But that means that we * need to also expand the maximum.. @@ -114,10 +107,18 @@ long strnlen_user(const char __user *str, long count) unsigned long max = max_addr - src_addr; long retval; - user_access_begin(); - retval = do_strnlen_user(str, count, max); - user_access_end(); - return retval; + /* + * Truncate 'max' to the user-specified limit, so that + * we only have one limit we need to check in the loop + */ + if (max > count) + max = count; + + if (user_access_begin(VERIFY_READ, str, max)) { + retval = do_strnlen_user(str, count, max); + user_access_end(); + return retval; + } } return 0; } diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 283963032eff..9f3d4f84032b 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2193,6 +2193,8 @@ void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, spinlock_t *ptl; struct mm_struct *mm = vma->vm_mm; unsigned long haddr = address & HPAGE_PMD_MASK; + bool was_locked = false; + pmd_t _pmd; mmu_notifier_invalidate_range_start(mm, haddr, haddr + HPAGE_PMD_SIZE); ptl = pmd_lock(mm, pmd); @@ -2202,11 +2204,32 @@ void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, * pmd against. Otherwise we can end up replacing wrong page. */ VM_BUG_ON(freeze && !page); - if (page && page != pmd_page(*pmd)) - goto out; + if (page) { + VM_WARN_ON_ONCE(!PageLocked(page)); + was_locked = true; + if (page != pmd_page(*pmd)) + goto out; + } +repeat: if (pmd_trans_huge(*pmd)) { - page = pmd_page(*pmd); + if (!page) { + page = pmd_page(*pmd); + if (unlikely(!trylock_page(page))) { + get_page(page); + _pmd = *pmd; + spin_unlock(ptl); + lock_page(page); + spin_lock(ptl); + if (unlikely(!pmd_same(*pmd, _pmd))) { + unlock_page(page); + put_page(page); + page = NULL; + goto repeat; + } + put_page(page); + } + } if (PageMlocked(page)) clear_page_mlock(page); } else if (!(pmd_devmap(*pmd) || is_pmd_migration_entry(*pmd))) @@ -2214,6 +2237,8 @@ void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, __split_huge_pmd_locked(vma, pmd, haddr, freeze); out: spin_unlock(ptl); + if (!was_locked && page) + unlock_page(page); mmu_notifier_invalidate_range_end(mm, haddr, haddr + HPAGE_PMD_SIZE); } diff --git a/mm/slub.c b/mm/slub.c index 481518c3f61a..8807a0c98a67 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -5727,8 +5727,10 @@ static int sysfs_slab_add(struct kmem_cache *s) s->kobj.kset = kset; err = kobject_init_and_add(&s->kobj, &slab_ktype, NULL, "%s", name); - if (err) + if (err) { + kobject_put(&s->kobj); goto out; + } err = sysfs_create_group(&s->kobj, &slab_attr_group); if (err) diff --git a/mm/util.c b/mm/util.c index 842ba5fb662e..f0d773c719a1 100644 --- a/mm/util.c +++ b/mm/util.c @@ -417,6 +417,24 @@ void kvfree(const void *addr) } EXPORT_SYMBOL(kvfree); +/** + * kvfree_sensitive - Free a data object containing sensitive information. + * @addr: address of the data object to be freed. + * @len: length of the data object. + * + * Use the special memzero_explicit() function to clear the content of a + * kvmalloc'ed object containing sensitive data to make sure that the + * compiler won't optimize out the data clearing. + */ +void kvfree_sensitive(const void *addr, size_t len) +{ + if (likely(!ZERO_OR_NULL_PTR(addr))) { + memzero_explicit((void *)addr, len); + kvfree(addr); + } +} +EXPORT_SYMBOL(kvfree_sensitive); + static inline void *__page_rmapping(struct page *page) { unsigned long mapping; diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 363dc85bbc5c..56e4ae7d7f63 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -3775,6 +3775,7 @@ static void hci_sync_conn_complete_evt(struct hci_dev *hdev, case 0x11: /* Unsupported Feature or Parameter Value */ case 0x1c: /* SCO interval rejected */ case 0x1a: /* Unsupported Remote Feature */ + case 0x1e: /* Invalid LMP Parameters */ case 0x1f: /* Unspecified error */ case 0x20: /* Unsupported LMP Parameter value */ if (conn->out) { diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 337b43d4c3eb..c183222967d0 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -185,14 +185,15 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname, retv = -EBUSY; break; } - } - if (sk->sk_protocol == IPPROTO_TCP && - sk->sk_prot != &tcpv6_prot) { - retv = -EBUSY; + } else if (sk->sk_protocol == IPPROTO_TCP) { + if (sk->sk_prot != &tcpv6_prot) { + retv = -EBUSY; + break; + } + } else { break; } - if (sk->sk_protocol != IPPROTO_TCP) - break; + if (sk->sk_state != TCP_ESTABLISHED) { retv = -ENOTCONN; break; diff --git a/net/netfilter/nft_nat.c b/net/netfilter/nft_nat.c index ed548d06b6dd..a18cceecef88 100644 --- a/net/netfilter/nft_nat.c +++ b/net/netfilter/nft_nat.c @@ -135,7 +135,7 @@ static int nft_nat_init(const struct nft_ctx *ctx, const struct nft_expr *expr, priv->type = NF_NAT_MANIP_DST; break; default: - return -EINVAL; + return -EOPNOTSUPP; } if (tb[NFTA_NAT_FAMILY] == NULL) @@ -202,7 +202,7 @@ static int nft_nat_init(const struct nft_ctx *ctx, const struct nft_expr *expr, if (tb[NFTA_NAT_FLAGS]) { priv->flags = ntohl(nla_get_be32(tb[NFTA_NAT_FLAGS])); if (priv->flags & ~NF_NAT_RANGE_MASK) - return -EINVAL; + return -EOPNOTSUPP; } return nf_ct_netns_get(ctx->net, family); diff --git a/net/sunrpc/auth_gss/gss_mech_switch.c b/net/sunrpc/auth_gss/gss_mech_switch.c index 5fec3abbe19b..c7d88f979c56 100644 --- a/net/sunrpc/auth_gss/gss_mech_switch.c +++ b/net/sunrpc/auth_gss/gss_mech_switch.c @@ -61,6 +61,8 @@ gss_mech_free(struct gss_api_mech *gm) for (i = 0; i < gm->gm_pf_num; i++) { pf = &gm->gm_pfs[i]; + if (pf->domain) + auth_domain_put(pf->domain); kfree(pf->auth_domain_name); pf->auth_domain_name = NULL; } @@ -83,6 +85,7 @@ make_auth_domain_name(char *name) static int gss_mech_svc_setup(struct gss_api_mech *gm) { + struct auth_domain *dom; struct pf_desc *pf; int i, status; @@ -92,10 +95,13 @@ gss_mech_svc_setup(struct gss_api_mech *gm) status = -ENOMEM; if (pf->auth_domain_name == NULL) goto out; - status = svcauth_gss_register_pseudoflavor(pf->pseudoflavor, - pf->auth_domain_name); - if (status) + dom = svcauth_gss_register_pseudoflavor( + pf->pseudoflavor, pf->auth_domain_name); + if (IS_ERR(dom)) { + status = PTR_ERR(dom); goto out; + } + pf->domain = dom; } return 0; out: diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index a457e7afb768..03043d5221e9 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -779,7 +779,7 @@ u32 svcauth_gss_flavor(struct auth_domain *dom) EXPORT_SYMBOL_GPL(svcauth_gss_flavor); -int +struct auth_domain * svcauth_gss_register_pseudoflavor(u32 pseudoflavor, char * name) { struct gss_domain *new; @@ -796,21 +796,23 @@ svcauth_gss_register_pseudoflavor(u32 pseudoflavor, char * name) new->h.flavour = &svcauthops_gss; new->pseudoflavor = pseudoflavor; - stat = 0; test = auth_domain_lookup(name, &new->h); - if (test != &new->h) { /* Duplicate registration */ + if (test != &new->h) { + pr_warn("svc: duplicate registration of gss pseudo flavour %s.\n", + name); + stat = -EADDRINUSE; auth_domain_put(test); - kfree(new->h.name); - goto out_free_dom; + goto out_free_name; } - return 0; + return test; +out_free_name: + kfree(new->h.name); out_free_dom: kfree(new); out: - return stat; + return ERR_PTR(stat); } - EXPORT_SYMBOL_GPL(svcauth_gss_register_pseudoflavor); static inline int diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c index 73791d22ae07..d5843cfa83e7 100644 --- a/security/integrity/evm/evm_crypto.c +++ b/security/integrity/evm/evm_crypto.c @@ -240,7 +240,7 @@ static int evm_calc_hmac_or_hash(struct dentry *dentry, /* Portable EVM signatures must include an IMA hash */ if (type == EVM_XATTR_PORTABLE_DIGSIG && !ima_present) - return -EPERM; + error = -EPERM; out: kfree(xattr_value); kfree(desc); diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h index d52b487ad259..186a3158edef 100644 --- a/security/integrity/ima/ima.h +++ b/security/integrity/ima/ima.h @@ -40,7 +40,7 @@ enum tpm_pcrs { TPM_PCR0 = 0, TPM_PCR8 = 8 }; #define IMA_DIGEST_SIZE SHA1_DIGEST_SIZE #define IMA_EVENT_NAME_LEN_MAX 255 -#define IMA_HASH_BITS 9 +#define IMA_HASH_BITS 10 #define IMA_MEASURE_HTABLE_SIZE (1 << IMA_HASH_BITS) #define IMA_TEMPLATE_FIELD_ID_MAX_LEN 16 @@ -167,9 +167,10 @@ struct ima_h_table { }; extern struct ima_h_table ima_htable; -static inline unsigned long ima_hash_key(u8 *digest) +static inline unsigned int ima_hash_key(u8 *digest) { - return hash_long(*digest, IMA_HASH_BITS); + /* there is no point in taking a hash of part of a digest */ + return (digest[0] | digest[1] << 8) % IMA_MEASURE_HTABLE_SIZE; } #define __ima_hooks(hook) \ diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c index 4c160bee67f7..46b0bd6b3d62 100644 --- a/security/integrity/ima/ima_policy.c +++ b/security/integrity/ima/ima_policy.c @@ -170,7 +170,7 @@ static struct ima_rule_entry secure_boot_rules[] __ro_after_init = { static LIST_HEAD(ima_default_rules); static LIST_HEAD(ima_policy_rules); static LIST_HEAD(ima_temp_rules); -static struct list_head *ima_rules; +static struct list_head *ima_rules = &ima_default_rules; static int ima_policy __initdata; @@ -468,7 +468,6 @@ void __init ima_init_policy(void) temp_ima_appraise |= IMA_APPRAISE_POLICY; } - ima_rules = &ima_default_rules; ima_update_policy_flag(); } diff --git a/security/keys/internal.h b/security/keys/internal.h index 124273e500cf..d479ca71137e 100644 --- a/security/keys/internal.h +++ b/security/keys/internal.h @@ -306,15 +306,4 @@ static inline void key_check(const struct key *key) #define key_check(key) do {} while(0) #endif - -/* - * Helper function to clear and free a kvmalloc'ed memory object. - */ -static inline void __kvzfree(const void *addr, size_t len) -{ - if (addr) { - memset((void *)addr, 0, len); - kvfree(addr); - } -} #endif /* _INTERNAL_H */ diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c index c07c2e2b2478..9394d72a77e8 100644 --- a/security/keys/keyctl.c +++ b/security/keys/keyctl.c @@ -133,10 +133,7 @@ SYSCALL_DEFINE5(add_key, const char __user *, _type, key_ref_put(keyring_ref); error3: - if (payload) { - memzero_explicit(payload, plen); - kvfree(payload); - } + kvfree_sensitive(payload, plen); error2: kfree(description); error: @@ -351,7 +348,7 @@ long keyctl_update_key(key_serial_t id, key_ref_put(key_ref); error2: - __kvzfree(payload, plen); + kvfree_sensitive(payload, plen); error: return ret; } @@ -859,7 +856,7 @@ can_read_key: */ if (ret > key_data_len) { if (unlikely(key_data)) - __kvzfree(key_data, key_data_len); + kvfree_sensitive(key_data, key_data_len); key_data_len = ret; continue; /* Allocate buffer */ } @@ -868,7 +865,7 @@ can_read_key: ret = -EFAULT; break; } - __kvzfree(key_data, key_data_len); + kvfree_sensitive(key_data, key_data_len); key_put_out: key_put(key); @@ -1170,10 +1167,7 @@ long keyctl_instantiate_key_common(key_serial_t id, keyctl_change_reqkey_auth(NULL); error2: - if (payload) { - memzero_explicit(payload, plen); - kvfree(payload); - } + kvfree_sensitive(payload, plen); error: return ret; } diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c index f6482e53d55a..371ae368da35 100644 --- a/security/smack/smackfs.c +++ b/security/smack/smackfs.c @@ -906,11 +906,21 @@ static ssize_t smk_set_cipso(struct file *file, const char __user *buf, else rule += strlen(skp->smk_known) + 1; + if (rule > data + count) { + rc = -EOVERFLOW; + goto out; + } + ret = sscanf(rule, "%d", &maplevel); if (ret != 1 || maplevel > SMACK_CIPSO_MAXLEVEL) goto out; rule += SMK_DIGITLEN; + if (rule > data + count) { + rc = -EOVERFLOW; + goto out; + } + ret = sscanf(rule, "%d", &catlen); if (ret != 1 || catlen > SMACK_CIPSO_MAXCATNUM) goto out; diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 14b1ee29509d..071e09c3d855 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -1950,6 +1950,11 @@ static int snd_pcm_link(struct snd_pcm_substream *substream, int fd) } pcm_file = f.file->private_data; substream1 = pcm_file->substream; + if (substream == substream1) { + res = -EINVAL; + goto _badf; + } + group = kmalloc(sizeof(*group), GFP_KERNEL); if (!group) { res = -ENOMEM; diff --git a/sound/isa/es1688/es1688.c b/sound/isa/es1688/es1688.c index a826c138e7f5..8a58ed168756 100644 --- a/sound/isa/es1688/es1688.c +++ b/sound/isa/es1688/es1688.c @@ -284,8 +284,10 @@ static int snd_es968_pnp_detect(struct pnp_card_link *pcard, return error; } error = snd_es1688_probe(card, dev); - if (error < 0) + if (error < 0) { + snd_card_free(card); return error; + } pnp_set_card_drvdata(pcard, card); snd_es968_pnp_is_probed = 1; return 0; diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 7779f5460715..e399c5718ee6 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1282,6 +1282,7 @@ static void azx_vs_set_state(struct pci_dev *pci, struct snd_card *card = pci_get_drvdata(pci); struct azx *chip = card->private_data; struct hda_intel *hda = container_of(chip, struct hda_intel, chip); + struct hda_codec *codec; bool disabled; wait_for_completion(&hda->probe_wait); @@ -1306,8 +1307,12 @@ static void azx_vs_set_state(struct pci_dev *pci, dev_info(chip->card->dev, "%s via vga_switcheroo\n", disabled ? "Disabling" : "Enabling"); if (disabled) { - pm_runtime_put_sync_suspend(card->dev); - azx_suspend(card->dev); + list_for_each_codec(codec, &chip->bus) { + pm_runtime_suspend(hda_codec_dev(codec)); + pm_runtime_disable(hda_codec_dev(codec)); + } + pm_runtime_suspend(card->dev); + pm_runtime_disable(card->dev); /* when we get suspended by vga_switcheroo we end up in D3cold, * however we have no ACPI handle, so pci/acpi can't put us there, * put ourselves there */ @@ -1318,9 +1323,12 @@ static void azx_vs_set_state(struct pci_dev *pci, "Cannot lock devices!\n"); } else { snd_hda_unlock_devices(&chip->bus); - pm_runtime_get_noresume(card->dev); chip->disabled = false; - azx_resume(card->dev); + pm_runtime_enable(card->dev); + list_for_each_codec(codec, &chip->bus) { + pm_runtime_enable(hda_codec_dev(codec)); + pm_runtime_resume(hda_codec_dev(codec)); + } } } } @@ -1350,6 +1358,7 @@ static void init_vga_switcheroo(struct azx *chip) dev_info(chip->card->dev, "Handle vga_switcheroo audio client\n"); hda->use_vga_switcheroo = 1; + chip->driver_caps |= AZX_DCAPS_PM_RUNTIME; pci_dev_put(p); } } @@ -1375,9 +1384,6 @@ static int register_vga_switcheroo(struct azx *chip) return err; hda->vga_switcheroo_registered = 1; - /* register as an optimus hdmi audio power domain */ - vga_switcheroo_init_domain_pm_optimus_hdmi_audio(chip->card->dev, - &hda->hdmi_pm_domain); return 0; } #else @@ -1406,10 +1412,8 @@ static int azx_free(struct azx *chip) if (use_vga_switcheroo(hda)) { if (chip->disabled && hda->probe_continued) snd_hda_unlock_devices(&chip->bus); - if (hda->vga_switcheroo_registered) { + if (hda->vga_switcheroo_registered) vga_switcheroo_unregister_client(chip->pci); - vga_switcheroo_fini_domain_pm_ops(chip->card->dev); - } } if (bus->chip_init) { @@ -2301,6 +2305,7 @@ static int azx_probe_continue(struct azx *chip) struct hda_intel *hda = container_of(chip, struct hda_intel, chip); struct hdac_bus *bus = azx_bus(chip); struct pci_dev *pci = chip->pci; + struct hda_codec *codec; int dev = chip->dev_index; int val; int err; @@ -2385,6 +2390,14 @@ static int azx_probe_continue(struct azx *chip) chip->running = 1; azx_add_card_list(chip); + /* + * The discrete GPU cannot power down unless the HDA controller runtime + * suspends, so activate runtime PM on codecs even if power_save == 0. + */ + if (use_vga_switcheroo(hda)) + list_for_each_codec(codec, &chip->bus) + codec->auto_runtime_pm = 1; + val = power_save; #ifdef CONFIG_PM if (pm_blacklist) { @@ -2399,7 +2412,7 @@ static int azx_probe_continue(struct azx *chip) } #endif /* CONFIG_PM */ snd_hda_set_power_save(&chip->bus, val * 1000); - if (azx_has_pm_runtime(chip) || hda->use_vga_switcheroo) + if (azx_has_pm_runtime(chip)) pm_runtime_put_autosuspend(&pci->dev); out_free: diff --git a/sound/pci/hda/hda_intel.h b/sound/pci/hda/hda_intel.h index ff0c4d617bc1..e3a3d318d2e5 100644 --- a/sound/pci/hda/hda_intel.h +++ b/sound/pci/hda/hda_intel.h @@ -40,9 +40,6 @@ struct hda_intel { unsigned int vga_switcheroo_registered:1; unsigned int init_failed:1; /* delayed init failed */ - /* secondary power domain for hdmi audio under vga device */ - struct dev_pm_domain hdmi_pm_domain; - bool need_i915_power:1; /* the hda controller needs i915 power */ }; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 5be3c926364e..98110fd65b9b 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -7131,6 +7131,12 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { ALC225_STANDARD_PINS, {0x12, 0xb7a60130}, {0x17, 0x90170110}), + SND_HDA_PIN_QUIRK(0x10ec0623, 0x17aa, "Lenovo", ALC283_FIXUP_HEADSET_MIC, + {0x14, 0x01014010}, + {0x17, 0x90170120}, + {0x18, 0x02a11030}, + {0x19, 0x02a1103f}, + {0x21, 0x0221101f}), {} }; diff --git a/sound/usb/card.c b/sound/usb/card.c index 4169c71f8a32..721f91f5766d 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -768,9 +768,6 @@ static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message) if (chip == (void *)-1L) return 0; - chip->autosuspended = !!PMSG_IS_AUTO(message); - if (!chip->autosuspended) - snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot); if (!chip->num_suspended_intf++) { list_for_each_entry(as, &chip->pcm_list, list) { snd_pcm_suspend_all(as->pcm); @@ -783,6 +780,11 @@ static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message) snd_usb_mixer_suspend(mixer); } + if (!PMSG_IS_AUTO(message) && !chip->system_suspend) { + snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot); + chip->system_suspend = chip->num_suspended_intf; + } + return 0; } @@ -795,10 +797,11 @@ static int __usb_audio_resume(struct usb_interface *intf, bool reset_resume) if (chip == (void *)-1L) return 0; - if (--chip->num_suspended_intf) - return 0; atomic_inc(&chip->active); /* avoid autopm */ + if (chip->num_suspended_intf > 1) + goto out; + /* * ALSA leaves material resumption to user space * we just notify and restart the mixers @@ -813,9 +816,12 @@ static int __usb_audio_resume(struct usb_interface *intf, bool reset_resume) snd_usbmidi_resume(p); } - if (!chip->autosuspended) + out: + if (chip->num_suspended_intf == chip->system_suspend) { snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0); - chip->autosuspended = 0; + chip->system_suspend = 0; + } + chip->num_suspended_intf--; err_out: atomic_dec(&chip->active); /* allow autopm after this point */ diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h index 4d5c89a7ba2b..f4ee83c8e0b2 100644 --- a/sound/usb/usbaudio.h +++ b/sound/usb/usbaudio.h @@ -37,7 +37,7 @@ struct snd_usb_audio { struct usb_interface *pm_intf; u32 usb_id; struct mutex mutex; - unsigned int autosuspended:1; + unsigned int system_suspend; atomic_t active; atomic_t shutdown; atomic_t usage_count; diff --git a/tools/lib/api/fs/fs.c b/tools/lib/api/fs/fs.c index 45b50b89009a..c61841051a90 100644 --- a/tools/lib/api/fs/fs.c +++ b/tools/lib/api/fs/fs.c @@ -90,6 +90,7 @@ struct fs { const char * const *mounts; char path[PATH_MAX]; bool found; + bool checked; long magic; }; @@ -111,31 +112,37 @@ static struct fs fs__entries[] = { .name = "sysfs", .mounts = sysfs__fs_known_mountpoints, .magic = SYSFS_MAGIC, + .checked = false, }, [FS__PROCFS] = { .name = "proc", .mounts = procfs__known_mountpoints, .magic = PROC_SUPER_MAGIC, + .checked = false, }, [FS__DEBUGFS] = { .name = "debugfs", .mounts = debugfs__known_mountpoints, .magic = DEBUGFS_MAGIC, + .checked = false, }, [FS__TRACEFS] = { .name = "tracefs", .mounts = tracefs__known_mountpoints, .magic = TRACEFS_MAGIC, + .checked = false, }, [FS__HUGETLBFS] = { .name = "hugetlbfs", .mounts = hugetlbfs__known_mountpoints, .magic = HUGETLBFS_MAGIC, + .checked = false, }, [FS__BPF_FS] = { .name = "bpf", .mounts = bpf_fs__known_mountpoints, .magic = BPF_FS_MAGIC, + .checked = false, }, }; @@ -158,6 +165,7 @@ static bool fs__read_mounts(struct fs *fs) } fclose(fp); + fs->checked = true; return fs->found = found; } @@ -220,6 +228,7 @@ static bool fs__env_override(struct fs *fs) return false; fs->found = true; + fs->checked = true; strncpy(fs->path, override_path, sizeof(fs->path) - 1); fs->path[sizeof(fs->path) - 1] = '\0'; return true; @@ -246,6 +255,14 @@ static const char *fs__mountpoint(int idx) if (fs->found) return (const char *)fs->path; + /* the mount point was already checked for the mount point + * but and did not exist, so return NULL to avoid scanning again. + * This makes the found and not found paths cost equivalent + * in case of multiple calls. + */ + if (fs->checked) + return NULL; + return fs__get_mountpoint(fs); } diff --git a/tools/lib/api/fs/fs.h b/tools/lib/api/fs/fs.h index dda49deefb52..57a3dc160b08 100644 --- a/tools/lib/api/fs/fs.h +++ b/tools/lib/api/fs/fs.h @@ -18,6 +18,18 @@ const char *name##__mount(void); \ bool name##__configured(void); \ +/* + * The xxxx__mountpoint() entry points find the first match mount point for each + * filesystems listed below, where xxxx is the filesystem type. + * + * The interface is as follows: + * + * - If a mount point is found on first call, it is cached and used for all + * subsequent calls. + * + * - If a mount point is not found, NULL is returned on first call and all + * subsequent calls. + */ FS(sysfs) FS(procfs) FS(debugfs) diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 5685fe2c7a7d..247fbb5f6a38 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -778,6 +778,12 @@ static int add_special_section_alts(struct objtool_file *file) } if (special_alt->group) { + if (!special_alt->orig_len) { + WARN_FUNC("empty alternative entry", + orig_insn->sec, orig_insn->offset); + continue; + } + ret = handle_group_alt(file, special_alt, orig_insn, &new_insn); if (ret) diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c index e1ac51aaedcf..48d40b12d581 100644 --- a/tools/perf/builtin-probe.c +++ b/tools/perf/builtin-probe.c @@ -377,6 +377,9 @@ static int perf_add_probe_events(struct perf_probe_event *pevs, int npevs) for (k = 0; k < pev->ntevs; k++) { struct probe_trace_event *tev = &pev->tevs[k]; + /* Skipped events have no event name */ + if (!tev->event) + continue; /* We use tev's name for showing new events */ show_perf_probe_event(tev->group, tev->event, pev, diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index 505c13bf7e30..40b5f656ebc3 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -36,6 +36,7 @@ char dso__symtab_origin(const struct dso *dso) [DSO_BINARY_TYPE__BUILD_ID_CACHE_DEBUGINFO] = 'D', [DSO_BINARY_TYPE__FEDORA_DEBUGINFO] = 'f', [DSO_BINARY_TYPE__UBUNTU_DEBUGINFO] = 'u', + [DSO_BINARY_TYPE__MIXEDUP_UBUNTU_DEBUGINFO] = 'x', [DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO] = 'o', [DSO_BINARY_TYPE__BUILDID_DEBUGINFO] = 'b', [DSO_BINARY_TYPE__SYSTEM_PATH_DSO] = 'd', @@ -118,6 +119,21 @@ int dso__read_binary_type_filename(const struct dso *dso, snprintf(filename + len, size - len, "%s", dso->long_name); break; + case DSO_BINARY_TYPE__MIXEDUP_UBUNTU_DEBUGINFO: + /* + * Ubuntu can mixup /usr/lib with /lib, putting debuginfo in + * /usr/lib/debug/lib when it is expected to be in + * /usr/lib/debug/usr/lib + */ + if (strlen(dso->long_name) < 9 || + strncmp(dso->long_name, "/usr/lib/", 9)) { + ret = -1; + break; + } + len = __symbol__join_symfs(filename, size, "/usr/lib/debug"); + snprintf(filename + len, size - len, "%s", dso->long_name + 4); + break; + case DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO: { const char *last_slash; diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index 926ff2e7f668..ea198d19dadd 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -25,6 +25,7 @@ enum dso_binary_type { DSO_BINARY_TYPE__BUILD_ID_CACHE_DEBUGINFO, DSO_BINARY_TYPE__FEDORA_DEBUGINFO, DSO_BINARY_TYPE__UBUNTU_DEBUGINFO, + DSO_BINARY_TYPE__MIXEDUP_UBUNTU_DEBUGINFO, DSO_BINARY_TYPE__BUILDID_DEBUGINFO, DSO_BINARY_TYPE__SYSTEM_PATH_DSO, DSO_BINARY_TYPE__GUEST_KMODULE, diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 6670e12a2bb3..7c286756c34b 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -122,7 +122,7 @@ static struct symbol *__find_kernel_function(u64 addr, struct map **mapp) return machine__find_kernel_function(host_machine, addr, mapp); } -static struct ref_reloc_sym *kernel_get_ref_reloc_sym(void) +static struct ref_reloc_sym *kernel_get_ref_reloc_sym(struct map **pmap) { /* kmap->ref_reloc_sym should be set if host_machine is initialized */ struct kmap *kmap; @@ -134,6 +134,10 @@ static struct ref_reloc_sym *kernel_get_ref_reloc_sym(void) kmap = map__kmap(map); if (!kmap) return NULL; + + if (pmap) + *pmap = map; + return kmap->ref_reloc_sym; } @@ -145,7 +149,7 @@ static int kernel_get_symbol_address_by_name(const char *name, u64 *addr, struct map *map; /* ref_reloc_sym is just a label. Need a special fix*/ - reloc_sym = kernel_get_ref_reloc_sym(); + reloc_sym = kernel_get_ref_reloc_sym(NULL); if (reloc_sym && strcmp(name, reloc_sym->name) == 0) *addr = (reloc) ? reloc_sym->addr : reloc_sym->unrelocated_addr; else { @@ -764,6 +768,7 @@ post_process_kernel_probe_trace_events(struct probe_trace_event *tevs, int ntevs) { struct ref_reloc_sym *reloc_sym; + struct map *map; char *tmp; int i, skipped = 0; @@ -772,7 +777,7 @@ post_process_kernel_probe_trace_events(struct probe_trace_event *tevs, return post_process_offline_probe_trace_events(tevs, ntevs, symbol_conf.vmlinux_name); - reloc_sym = kernel_get_ref_reloc_sym(); + reloc_sym = kernel_get_ref_reloc_sym(&map); if (!reloc_sym) { pr_warning("Relocated base symbol is not found!\n"); return -EINVAL; @@ -783,9 +788,13 @@ post_process_kernel_probe_trace_events(struct probe_trace_event *tevs, continue; if (tevs[i].point.retprobe && !kretprobe_offset_is_supported()) continue; - /* If we found a wrong one, mark it by NULL symbol */ + /* + * If we found a wrong one, mark it by NULL symbol. + * Since addresses in debuginfo is same as objdump, we need + * to convert it to addresses on memory. + */ if (kprobe_warn_out_range(tevs[i].point.symbol, - tevs[i].point.address)) { + map__objdump_2mem(map, tevs[i].point.address))) { tmp = NULL; skipped++; } else { @@ -1762,8 +1771,7 @@ int parse_probe_trace_command(const char *cmd, struct probe_trace_event *tev) fmt1_str = strtok_r(argv0_str, ":", &fmt); fmt2_str = strtok_r(NULL, "/", &fmt); fmt3_str = strtok_r(NULL, " \t", &fmt); - if (fmt1_str == NULL || strlen(fmt1_str) != 1 || fmt2_str == NULL - || fmt3_str == NULL) { + if (fmt1_str == NULL || fmt2_str == NULL || fmt3_str == NULL) { semantic_error("Failed to parse event name: %s\n", argv[0]); ret = -EINVAL; goto out; @@ -2888,7 +2896,7 @@ static int find_probe_trace_events_from_map(struct perf_probe_event *pev, /* Note that the symbols in the kmodule are not relocated */ if (!pev->uprobes && !pev->target && (!pp->retprobe || kretprobe_offset_is_supported())) { - reloc_sym = kernel_get_ref_reloc_sym(); + reloc_sym = kernel_get_ref_reloc_sym(NULL); if (!reloc_sym) { pr_warning("Relocated base symbol is not found!\n"); ret = -EINVAL; diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index ae0feea4e8b5..8f7f9d05f38c 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -114,6 +114,7 @@ enum dso_binary_type distro_dwarf_types[] = { DSO_BINARY_TYPE__UBUNTU_DEBUGINFO, DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO, DSO_BINARY_TYPE__BUILDID_DEBUGINFO, + DSO_BINARY_TYPE__MIXEDUP_UBUNTU_DEBUGINFO, DSO_BINARY_TYPE__NOT_FOUND, }; diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 27bffcb213eb..dea6f15af485 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -64,6 +64,7 @@ static enum dso_binary_type binary_type_symtab[] = { DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE, DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE_COMP, DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO, + DSO_BINARY_TYPE__MIXEDUP_UBUNTU_DEBUGINFO, DSO_BINARY_TYPE__NOT_FOUND, }; @@ -1412,6 +1413,7 @@ static bool dso__is_compatible_symtab_type(struct dso *dso, bool kmod, case DSO_BINARY_TYPE__SYSTEM_PATH_DSO: case DSO_BINARY_TYPE__FEDORA_DEBUGINFO: case DSO_BINARY_TYPE__UBUNTU_DEBUGINFO: + case DSO_BINARY_TYPE__MIXEDUP_UBUNTU_DEBUGINFO: case DSO_BINARY_TYPE__BUILDID_DEBUGINFO: case DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO: return !kmod && dso->kernel == DSO_TYPE_USER; diff --git a/tools/testing/selftests/networking/timestamping/rxtimestamp.c b/tools/testing/selftests/networking/timestamping/rxtimestamp.c index dd4162fc0419..7a573fb4c1c4 100644 --- a/tools/testing/selftests/networking/timestamping/rxtimestamp.c +++ b/tools/testing/selftests/networking/timestamping/rxtimestamp.c @@ -114,6 +114,7 @@ static struct option long_options[] = { { "tcp", no_argument, 0, 't' }, { "udp", no_argument, 0, 'u' }, { "ip", no_argument, 0, 'i' }, + { NULL, 0, NULL, 0 }, }; static int next_port = 19999;