diff options
156 files changed, 1574 insertions, 1022 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 5ae51d05c09b..92be777d060a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1373,7 +1373,8 @@ F: arch/arm/mach-ebsa110/ F: drivers/net/ethernet/amd/am79c961a.* ARM/ENERGY MICRO (SILICON LABS) EFM32 SUPPORT -M: Uwe Kleine-König <kernel@pengutronix.de> +M: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> +R: Pengutronix Kernel Team <kernel@pengutronix.de> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained N: efm32 @@ -1401,7 +1402,8 @@ F: arch/arm/mach-footbridge/ ARM/FREESCALE IMX / MXC ARM ARCHITECTURE M: Shawn Guo <shawnguo@kernel.org> -M: Sascha Hauer <kernel@pengutronix.de> +M: Sascha Hauer <s.hauer@pengutronix.de> +R: Pengutronix Kernel Team <kernel@pengutronix.de> R: Fabio Estevam <fabio.estevam@nxp.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained @@ -1416,7 +1418,8 @@ F: include/soc/imx/ ARM/FREESCALE VYBRID ARM ARCHITECTURE M: Shawn Guo <shawnguo@kernel.org> -M: Sascha Hauer <kernel@pengutronix.de> +M: Sascha Hauer <s.hauer@pengutronix.de> +R: Pengutronix Kernel Team <kernel@pengutronix.de> R: Stefan Agner <stefan@agner.ch> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained @@ -4245,6 +4248,9 @@ F: include/trace/events/fs_dax.h DEVICE DIRECT ACCESS (DAX) M: Dan Williams <dan.j.williams@intel.com> +M: Dave Jiang <dave.jiang@intel.com> +M: Ross Zwisler <ross.zwisler@linux.intel.com> +M: Vishal Verma <vishal.l.verma@intel.com> L: linux-nvdimm@lists.01.org S: Supported F: drivers/dax/ @@ -5652,7 +5658,8 @@ F: drivers/net/ethernet/freescale/fec.h F: Documentation/devicetree/bindings/net/fsl-fec.txt FREESCALE IMX / MXC FRAMEBUFFER DRIVER -M: Sascha Hauer <kernel@pengutronix.de> +M: Sascha Hauer <s.hauer@pengutronix.de> +R: Pengutronix Kernel Team <kernel@pengutronix.de> L: linux-fbdev@vger.kernel.org L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained @@ -6264,7 +6271,7 @@ S: Odd Fixes F: drivers/media/usb/hdpvr/ HEWLETT PACKARD ENTERPRISE ILO NMI WATCHDOG DRIVER -M: Jimmy Vance <jimmy.vance@hpe.com> +M: Jerry Hoemann <jerry.hoemann@hpe.com> S: Supported F: Documentation/watchdog/hpwdt.txt F: drivers/watchdog/hpwdt.c @@ -8056,6 +8063,9 @@ F: tools/lib/lockdep/ LIBNVDIMM BLK: MMIO-APERTURE DRIVER M: Ross Zwisler <ross.zwisler@linux.intel.com> +M: Dan Williams <dan.j.williams@intel.com> +M: Vishal Verma <vishal.l.verma@intel.com> +M: Dave Jiang <dave.jiang@intel.com> L: linux-nvdimm@lists.01.org Q: https://patchwork.kernel.org/project/linux-nvdimm/list/ S: Supported @@ -8064,6 +8074,9 @@ F: drivers/nvdimm/region_devs.c LIBNVDIMM BTT: BLOCK TRANSLATION TABLE M: Vishal Verma <vishal.l.verma@intel.com> +M: Dan Williams <dan.j.williams@intel.com> +M: Ross Zwisler <ross.zwisler@linux.intel.com> +M: Dave Jiang <dave.jiang@intel.com> L: linux-nvdimm@lists.01.org Q: https://patchwork.kernel.org/project/linux-nvdimm/list/ S: Supported @@ -8071,6 +8084,9 @@ F: drivers/nvdimm/btt* LIBNVDIMM PMEM: PERSISTENT MEMORY DRIVER M: Ross Zwisler <ross.zwisler@linux.intel.com> +M: Dan Williams <dan.j.williams@intel.com> +M: Vishal Verma <vishal.l.verma@intel.com> +M: Dave Jiang <dave.jiang@intel.com> L: linux-nvdimm@lists.01.org Q: https://patchwork.kernel.org/project/linux-nvdimm/list/ S: Supported @@ -8086,6 +8102,9 @@ F: Documentation/devicetree/bindings/pmem/pmem-region.txt LIBNVDIMM: NON-VOLATILE MEMORY DEVICE SUBSYSTEM M: Dan Williams <dan.j.williams@intel.com> +M: Ross Zwisler <ross.zwisler@linux.intel.com> +M: Vishal Verma <vishal.l.verma@intel.com> +M: Dave Jiang <dave.jiang@intel.com> L: linux-nvdimm@lists.01.org Q: https://patchwork.kernel.org/project/linux-nvdimm/list/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git @@ -12825,7 +12844,8 @@ F: include/linux/siphash.h SIOX M: Gavin Schenk <g.schenk@eckelmann.de> -M: Uwe Kleine-König <kernel@pengutronix.de> +M: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> +R: Pengutronix Kernel Team <kernel@pengutronix.de> S: Supported F: drivers/siox/* F: include/trace/events/siox.h @@ -2,7 +2,7 @@ VERSION = 4 PATCHLEVEL = 17 SUBLEVEL = 0 -EXTRAVERSION = -rc1 +EXTRAVERSION = -rc2 NAME = Fearless Coyote # *DOCUMENTATION* diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c index ba964da31a25..1cb2749a72bf 100644 --- a/arch/arm64/kernel/traps.c +++ b/arch/arm64/kernel/traps.c @@ -366,7 +366,7 @@ void force_signal_inject(int signal, int code, unsigned long address) } /* Force signals we don't understand to SIGKILL */ - if (WARN_ON(signal != SIGKILL || + if (WARN_ON(signal != SIGKILL && siginfo_layout(signal, code) != SIL_FAULT)) { signal = SIGKILL; } diff --git a/arch/arm64/mm/kasan_init.c b/arch/arm64/mm/kasan_init.c index dabfc1ecda3d..12145874c02b 100644 --- a/arch/arm64/mm/kasan_init.c +++ b/arch/arm64/mm/kasan_init.c @@ -204,7 +204,7 @@ void __init kasan_init(void) clear_pgds(KASAN_SHADOW_START, KASAN_SHADOW_END); kasan_map_populate(kimg_shadow_start, kimg_shadow_end, - pfn_to_nid(virt_to_pfn(lm_alias(_text)))); + early_pfn_to_nid(virt_to_pfn(lm_alias(_text)))); kasan_populate_zero_shadow((void *)KASAN_SHADOW_START, (void *)mod_shadow_start); @@ -224,7 +224,7 @@ void __init kasan_init(void) kasan_map_populate((unsigned long)kasan_mem_to_shadow(start), (unsigned long)kasan_mem_to_shadow(end), - pfn_to_nid(virt_to_pfn(start))); + early_pfn_to_nid(virt_to_pfn(start))); } /* diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index 9033c8194eda..ccc421503363 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -1093,7 +1093,7 @@ static int show_spu_loadavg(struct seq_file *s, void *private) LOAD_INT(c), LOAD_FRAC(c), count_active_contexts(), atomic_read(&nr_spu_contexts), - idr_get_cursor(&task_active_pid_ns(current)->idr)); + idr_get_cursor(&task_active_pid_ns(current)->idr) - 1); return 0; } diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c index c98b943e58b4..77076a102e34 100644 --- a/arch/x86/events/intel/uncore_snbep.c +++ b/arch/x86/events/intel/uncore_snbep.c @@ -3028,10 +3028,27 @@ static struct intel_uncore_type bdx_uncore_cbox = { .format_group = &hswep_uncore_cbox_format_group, }; +static struct intel_uncore_type bdx_uncore_sbox = { + .name = "sbox", + .num_counters = 4, + .num_boxes = 4, + .perf_ctr_bits = 48, + .event_ctl = HSWEP_S0_MSR_PMON_CTL0, + .perf_ctr = HSWEP_S0_MSR_PMON_CTR0, + .event_mask = HSWEP_S_MSR_PMON_RAW_EVENT_MASK, + .box_ctl = HSWEP_S0_MSR_PMON_BOX_CTL, + .msr_offset = HSWEP_SBOX_MSR_OFFSET, + .ops = &hswep_uncore_sbox_msr_ops, + .format_group = &hswep_uncore_sbox_format_group, +}; + +#define BDX_MSR_UNCORE_SBOX 3 + static struct intel_uncore_type *bdx_msr_uncores[] = { &bdx_uncore_ubox, &bdx_uncore_cbox, &hswep_uncore_pcu, + &bdx_uncore_sbox, NULL, }; @@ -3043,10 +3060,25 @@ static struct event_constraint bdx_uncore_pcu_constraints[] = { void bdx_uncore_cpu_init(void) { + int pkg = topology_phys_to_logical_pkg(0); + if (bdx_uncore_cbox.num_boxes > boot_cpu_data.x86_max_cores) bdx_uncore_cbox.num_boxes = boot_cpu_data.x86_max_cores; uncore_msr_uncores = bdx_msr_uncores; + /* BDX-DE doesn't have SBOX */ + if (boot_cpu_data.x86_model == 86) { + uncore_msr_uncores[BDX_MSR_UNCORE_SBOX] = NULL; + /* Detect systems with no SBOXes */ + } else if (uncore_extra_pci_dev[pkg].dev[HSWEP_PCI_PCU_3]) { + struct pci_dev *pdev; + u32 capid4; + + pdev = uncore_extra_pci_dev[pkg].dev[HSWEP_PCI_PCU_3]; + pci_read_config_dword(pdev, 0x94, &capid4); + if (((capid4 >> 6) & 0x3) == 0) + bdx_msr_uncores[BDX_MSR_UNCORE_SBOX] = NULL; + } hswep_uncore_pcu.constraints = bdx_uncore_pcu_constraints; } @@ -3264,6 +3296,11 @@ static const struct pci_device_id bdx_uncore_pci_ids[] = { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x6f46), .driver_data = UNCORE_PCI_DEV_DATA(UNCORE_EXTRA_PCI_DEV, 2), }, + { /* PCU.3 (for Capability registers) */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x6fc0), + .driver_data = UNCORE_PCI_DEV_DATA(UNCORE_EXTRA_PCI_DEV, + HSWEP_PCI_PCU_3), + }, { /* end: all zeroes */ } }; diff --git a/arch/x86/include/asm/asm.h b/arch/x86/include/asm/asm.h index 386a6900e206..219faaec51df 100644 --- a/arch/x86/include/asm/asm.h +++ b/arch/x86/include/asm/asm.h @@ -136,7 +136,6 @@ #endif #ifndef __ASSEMBLY__ -#ifndef __BPF__ /* * This output constraint should be used for any inline asm which has a "call" * instruction. Otherwise the asm may be inserted before the frame pointer @@ -146,6 +145,5 @@ register unsigned long current_stack_pointer asm(_ASM_SP); #define ASM_CALL_CONSTRAINT "+r" (current_stack_pointer) #endif -#endif #endif /* _ASM_X86_ASM_H */ diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 4fa4206029e3..21a114914ba4 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -749,13 +749,11 @@ enum idle_boot_override {IDLE_NO_OVERRIDE=0, IDLE_HALT, IDLE_NOMWAIT, extern void enable_sep_cpu(void); extern int sysenter_setup(void); -extern void early_trap_init(void); void early_trap_pf_init(void); /* Defined in head.S */ extern struct desc_ptr early_gdt_descr; -extern void cpu_set_gdt(int); extern void switch_to_new_gdt(int); extern void load_direct_gdt(int); extern void load_fixmap_gdt(int); diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index dde444f932c1..3b20607d581b 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -215,6 +215,10 @@ acpi_parse_x2apic(struct acpi_subtable_header *header, const unsigned long end) apic_id = processor->local_apic_id; enabled = processor->lapic_flags & ACPI_MADT_ENABLED; + /* Ignore invalid ID */ + if (apic_id == 0xffffffff) + return 0; + /* * We need to register disabled CPU as well to permit * counting disabled CPUs. This allows us to size diff --git a/arch/x86/kernel/kexec-bzimage64.c b/arch/x86/kernel/kexec-bzimage64.c index 3182908b7e6c..7326078eaa7a 100644 --- a/arch/x86/kernel/kexec-bzimage64.c +++ b/arch/x86/kernel/kexec-bzimage64.c @@ -398,11 +398,10 @@ static void *bzImage64_load(struct kimage *image, char *kernel, * little bit simple */ efi_map_sz = efi_get_runtime_map_size(); - efi_map_sz = ALIGN(efi_map_sz, 16); params_cmdline_sz = sizeof(struct boot_params) + cmdline_len + MAX_ELFCOREHDR_STR_LEN; params_cmdline_sz = ALIGN(params_cmdline_sz, 16); - kbuf.bufsz = params_cmdline_sz + efi_map_sz + + kbuf.bufsz = params_cmdline_sz + ALIGN(efi_map_sz, 16) + sizeof(struct setup_data) + sizeof(struct efi_setup_data); @@ -410,7 +409,7 @@ static void *bzImage64_load(struct kimage *image, char *kernel, if (!params) return ERR_PTR(-ENOMEM); efi_map_offset = params_cmdline_sz; - efi_setup_data_offset = efi_map_offset + efi_map_sz; + efi_setup_data_offset = efi_map_offset + ALIGN(efi_map_sz, 16); /* Copy setup header onto bootparams. Documentation/x86/boot.txt */ setup_header_size = 0x0202 + kernel[0x0201] - setup_hdr_offset; diff --git a/arch/x86/kernel/pci-nommu.c b/arch/x86/kernel/pci-nommu.c deleted file mode 100644 index ac7ea3a8242f..000000000000 --- a/arch/x86/kernel/pci-nommu.c +++ /dev/null @@ -1,90 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* Fallback functions when the main IOMMU code is not compiled in. This - code is roughly equivalent to i386. */ -#include <linux/dma-direct.h> -#include <linux/scatterlist.h> -#include <linux/string.h> -#include <linux/gfp.h> -#include <linux/pci.h> -#include <linux/mm.h> - -#include <asm/processor.h> -#include <asm/iommu.h> -#include <asm/dma.h> - -#define NOMMU_MAPPING_ERROR 0 - -static int -check_addr(char *name, struct device *hwdev, dma_addr_t bus, size_t size) -{ - if (hwdev && !dma_capable(hwdev, bus, size)) { - if (*hwdev->dma_mask >= DMA_BIT_MASK(32)) - printk(KERN_ERR - "nommu_%s: overflow %Lx+%zu of device mask %Lx\n", - name, (long long)bus, size, - (long long)*hwdev->dma_mask); - return 0; - } - return 1; -} - -static dma_addr_t nommu_map_page(struct device *dev, struct page *page, - unsigned long offset, size_t size, - enum dma_data_direction dir, - unsigned long attrs) -{ - dma_addr_t bus = phys_to_dma(dev, page_to_phys(page)) + offset; - WARN_ON(size == 0); - if (!check_addr("map_single", dev, bus, size)) - return NOMMU_MAPPING_ERROR; - return bus; -} - -/* Map a set of buffers described by scatterlist in streaming - * mode for DMA. This is the scatter-gather version of the - * above pci_map_single interface. Here the scatter gather list - * elements are each tagged with the appropriate dma address - * and length. They are obtained via sg_dma_{address,length}(SG). - * - * NOTE: An implementation may be able to use a smaller number of - * DMA address/length pairs than there are SG table elements. - * (for example via virtual mapping capabilities) - * The routine returns the number of addr/length pairs actually - * used, at most nents. - * - * Device ownership issues as mentioned above for pci_map_single are - * the same here. - */ -static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg, - int nents, enum dma_data_direction dir, - unsigned long attrs) -{ - struct scatterlist *s; - int i; - - WARN_ON(nents == 0 || sg[0].length == 0); - - for_each_sg(sg, s, nents, i) { - BUG_ON(!sg_page(s)); - s->dma_address = sg_phys(s); - if (!check_addr("map_sg", hwdev, s->dma_address, s->length)) - return 0; - s->dma_length = s->length; - } - return nents; -} - -static int nommu_mapping_error(struct device *dev, dma_addr_t dma_addr) -{ - return dma_addr == NOMMU_MAPPING_ERROR; -} - -const struct dma_map_ops nommu_dma_ops = { - .alloc = dma_generic_alloc_coherent, - .free = dma_generic_free_coherent, - .map_sg = nommu_map_sg, - .map_page = nommu_map_page, - .is_phys = 1, - .mapping_error = nommu_mapping_error, - .dma_supported = x86_dma_supported, -}; diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index ff99e2b6fc54..45175b81dd5b 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -77,6 +77,8 @@ #include <asm/i8259.h> #include <asm/misc.h> #include <asm/qspinlock.h> +#include <asm/intel-family.h> +#include <asm/cpu_device_id.h> /* Number of siblings per CPU package */ int smp_num_siblings = 1; @@ -390,15 +392,47 @@ static bool match_smt(struct cpuinfo_x86 *c, struct cpuinfo_x86 *o) return false; } +/* + * Define snc_cpu[] for SNC (Sub-NUMA Cluster) CPUs. + * + * These are Intel CPUs that enumerate an LLC that is shared by + * multiple NUMA nodes. The LLC on these systems is shared for + * off-package data access but private to the NUMA node (half + * of the package) for on-package access. + * + * CPUID (the source of the information about the LLC) can only + * enumerate the cache as being shared *or* unshared, but not + * this particular configuration. The CPU in this case enumerates + * the cache to be shared across the entire package (spanning both + * NUMA nodes). + */ + +static const struct x86_cpu_id snc_cpu[] = { + { X86_VENDOR_INTEL, 6, INTEL_FAM6_SKYLAKE_X }, + {} +}; + static bool match_llc(struct cpuinfo_x86 *c, struct cpuinfo_x86 *o) { int cpu1 = c->cpu_index, cpu2 = o->cpu_index; - if (per_cpu(cpu_llc_id, cpu1) != BAD_APICID && - per_cpu(cpu_llc_id, cpu1) == per_cpu(cpu_llc_id, cpu2)) - return topology_sane(c, o, "llc"); + /* Do not match if we do not have a valid APICID for cpu: */ + if (per_cpu(cpu_llc_id, cpu1) == BAD_APICID) + return false; - return false; + /* Do not match if LLC id does not match: */ + if (per_cpu(cpu_llc_id, cpu1) != per_cpu(cpu_llc_id, cpu2)) + return false; + + /* + * Allow the SNC topology without warning. Return of false + * means 'c' does not share the LLC of 'o'. This will be + * reflected to userspace. + */ + if (!topology_same_node(c, o) && x86_match_cpu(snc_cpu)) + return false; + + return topology_sane(c, o, "llc"); } /* @@ -456,7 +490,8 @@ static struct sched_domain_topology_level x86_topology[] = { /* * Set if a package/die has multiple NUMA nodes inside. - * AMD Magny-Cours and Intel Cluster-on-Die have this. + * AMD Magny-Cours, Intel Cluster-on-Die, and Intel + * Sub-NUMA Clustering have this. */ static bool x86_has_numa_in_package; diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index ef32297ff17e..91e6da48cbb6 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -317,7 +317,7 @@ static unsigned long calc_hpet_ref(u64 deltatsc, u64 hpet1, u64 hpet2) hpet2 -= hpet1; tmp = ((u64)hpet2 * hpet_readl(HPET_PERIOD)); do_div(tmp, 1000000); - do_div(deltatsc, tmp); + deltatsc = div64_u64(deltatsc, tmp); return (unsigned long) deltatsc; } diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c index 62a7e9f65dec..cc7ff5957194 100644 --- a/arch/x86/mm/dump_pagetables.c +++ b/arch/x86/mm/dump_pagetables.c @@ -18,6 +18,7 @@ #include <linux/init.h> #include <linux/sched.h> #include <linux/seq_file.h> +#include <linux/highmem.h> #include <asm/pgtable.h> @@ -334,16 +335,16 @@ static void walk_pte_level(struct seq_file *m, struct pg_state *st, pmd_t addr, pgprotval_t eff_in, unsigned long P) { int i; - pte_t *start; + pte_t *pte; pgprotval_t prot, eff; - start = (pte_t *)pmd_page_vaddr(addr); for (i = 0; i < PTRS_PER_PTE; i++) { - prot = pte_flags(*start); - eff = effective_prot(eff_in, prot); st->current_address = normalize_addr(P + i * PTE_LEVEL_MULT); + pte = pte_offset_map(&addr, st->current_address); + prot = pte_flags(*pte); + eff = effective_prot(eff_in, prot); note_page(m, st, __pgprot(prot), eff, 5); - start++; + pte_unmap(pte); } } #ifdef CONFIG_KASAN diff --git a/arch/x86/power/hibernate_64.c b/arch/x86/power/hibernate_64.c index 48b14b534897..ccf4a49bb065 100644 --- a/arch/x86/power/hibernate_64.c +++ b/arch/x86/power/hibernate_64.c @@ -98,7 +98,7 @@ static int set_up_temporary_text_mapping(pgd_t *pgd) set_pgd(pgd + pgd_index(restore_jump_address), new_pgd); } else { /* No p4d for 4-level paging: point the pgd to the pud page table */ - pgd_t new_pgd = __pgd(__pa(p4d) | pgprot_val(pgtable_prot)); + pgd_t new_pgd = __pgd(__pa(pud) | pgprot_val(pgtable_prot)); set_pgd(pgd + pgd_index(restore_jump_address), new_pgd); } diff --git a/drivers/char/random.c b/drivers/char/random.c index e027e7fa1472..3cd3aae24d6d 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -427,8 +427,9 @@ struct crng_state primary_crng = { * its value (from 0->1->2). */ static int crng_init = 0; -#define crng_ready() (likely(crng_init > 0)) +#define crng_ready() (likely(crng_init > 1)) static int crng_init_cnt = 0; +static unsigned long crng_global_init_time = 0; #define CRNG_INIT_CNT_THRESH (2*CHACHA20_KEY_SIZE) static void _extract_crng(struct crng_state *crng, __u32 out[CHACHA20_BLOCK_WORDS]); @@ -787,6 +788,36 @@ static void crng_initialize(struct crng_state *crng) crng->init_time = jiffies - CRNG_RESEED_INTERVAL - 1; } +#ifdef CONFIG_NUMA +static void numa_crng_init(void) +{ + int i; + struct crng_state *crng; + struct crng_state **pool; + + pool = kcalloc(nr_node_ids, sizeof(*pool), GFP_KERNEL|__GFP_NOFAIL); + for_each_online_node(i) { + crng = kmalloc_node(sizeof(struct crng_state), + GFP_KERNEL | __GFP_NOFAIL, i); + spin_lock_init(&crng->lock); + crng_initialize(crng); + pool[i] = crng; + } + mb(); + if (cmpxchg(&crng_node_pool, NULL, pool)) { + for_each_node(i) + kfree(pool[i]); + kfree(pool); + } +} +#else +static void numa_crng_init(void) {} +#endif + +/* + * crng_fast_load() can be called by code in the interrupt service + * path. So we can't afford to dilly-dally. + */ static int crng_fast_load(const char *cp, size_t len) { unsigned long flags; @@ -794,7 +825,7 @@ static int crng_fast_load(const char *cp, size_t len) if (!spin_trylock_irqsave(&primary_crng.lock, flags)) return 0; - if (crng_ready()) { + if (crng_init != 0) { spin_unlock_irqrestore(&primary_crng.lock, flags); return 0; } @@ -813,6 +844,51 @@ static int crng_fast_load(const char *cp, size_t len) return 1; } +/* + * crng_slow_load() is called by add_device_randomness, which has two + * attributes. (1) We can't trust the buffer passed to it is + * guaranteed to be unpredictable (so it might not have any entropy at + * all), and (2) it doesn't have the performance constraints of + * crng_fast_load(). + * + * So we do something more comprehensive which is guaranteed to touch + * all of the primary_crng's state, and which uses a LFSR with a + * period of 255 as part of the mixing algorithm. Finally, we do + * *not* advance crng_init_cnt since buffer we may get may be something + * like a fixed DMI table (for example), which might very well be + * unique to the machine, but is otherwise unvarying. + */ +static int crng_slow_load(const char *cp, size_t len) +{ + unsigned long flags; + static unsigned char lfsr = 1; + unsigned char tmp; + unsigned i, max = CHACHA20_KEY_SIZE; + const char * src_buf = cp; + char * dest_buf = (char *) &primary_crng.state[4]; + + if (!spin_trylock_irqsave(&primary_crng.lock, flags)) + return 0; + if (crng_init != 0) { + spin_unlock_irqrestore(&primary_crng.lock, flags); + return 0; + } + if (len > max) + max = len; + + for (i = 0; i < max ; i++) { + tmp = lfsr; + lfsr >>= 1; + if (tmp & 1) + lfsr ^= 0xE1; + tmp = dest_buf[i % CHACHA20_KEY_SIZE]; + dest_buf[i % CHACHA20_KEY_SIZE] ^= src_buf[i % len] ^ lfsr; + lfsr += (tmp << 3) | (tmp >> 5); + } + spin_unlock_irqrestore(&primary_crng.lock, flags); + return 1; +} + static void crng_reseed(struct crng_state *crng, struct entropy_store *r) { unsigned long flags; @@ -831,7 +907,7 @@ static void crng_reseed(struct crng_state *crng, struct entropy_store *r) _crng_backtrack_protect(&primary_crng, buf.block, CHACHA20_KEY_SIZE); } - spin_lock_irqsave(&primary_crng.lock, flags); + spin_lock_irqsave(&crng->lock, flags); for (i = 0; i < 8; i++) { unsigned long rv; if (!arch_get_random_seed_long(&rv) && @@ -841,9 +917,10 @@ static void crng_reseed(struct crng_state *crng, struct entropy_store *r) } memzero_explicit(&buf, sizeof(buf)); crng->init_time = jiffies; - spin_unlock_irqrestore(&primary_crng.lock, flags); + spin_unlock_irqrestore(&crng->lock, flags); if (crng == &primary_crng && crng_init < 2) { invalidate_batched_entropy(); + numa_crng_init(); crng_init = 2; process_random_ready_list(); wake_up_interruptible(&crng_init_wait); @@ -856,8 +933,9 @@ static void _extract_crng(struct crng_state *crng, { unsigned long v, flags; - if (crng_init > 1 && - time_after(jiffies, crng->init_time + CRNG_RESEED_INTERVAL)) + if (crng_ready() && + (time_after(crng_global_init_time, crng->init_time) || + time_after(jiffies, crng->init_time + CRNG_RESEED_INTERVAL))) crng_reseed(crng, crng == &primary_crng ? &input_pool : NULL); spin_lock_irqsave(&crng->lock, flags); if (arch_get_random_long(&v)) @@ -981,10 +1059,8 @@ void add_device_randomness(const void *buf, unsigned int size) unsigned long time = random_get_entropy() ^ jiffies; unsigned long flags; - if (!crng_ready()) { - crng_fast_load(buf, size); - return; - } + if (!crng_ready() && size) + crng_slow_load(buf, size); trace_add_device_randomness(size, _RET_IP_); spin_lock_irqsave(&input_pool.lock, flags); @@ -1139,7 +1215,7 @@ void add_interrupt_randomness(int irq, int irq_flags) fast_mix(fast_pool); add_interrupt_bench(cycles); - if (!crng_ready()) { + if (unlikely(crng_init == 0)) { if ((fast_pool->count >= 64) && crng_fast_load((char *) fast_pool->pool, sizeof(fast_pool->pool))) { @@ -1680,28 +1756,10 @@ static void init_std_data(struct entropy_store *r) */ static int rand_initialize(void) { -#ifdef CONFIG_NUMA - int i; - struct crng_state *crng; - struct crng_state **pool; -#endif - init_std_data(&input_pool); init_std_data(&blocking_pool); crng_initialize(&primary_crng); - -#ifdef CONFIG_NUMA - pool = kcalloc(nr_node_ids, sizeof(*pool), GFP_KERNEL|__GFP_NOFAIL); - for_each_online_node(i) { - crng = kmalloc_node(sizeof(struct crng_state), - GFP_KERNEL | __GFP_NOFAIL, i); - spin_lock_init(&crng->lock); - crng_initialize(crng); - pool[i] = crng; - } - mb(); - crng_node_pool = pool; -#endif + crng_global_init_time = jiffies; return 0; } early_initcall(rand_initialize); @@ -1875,6 +1933,14 @@ static long random_ioctl(struct file *f, unsigned int cmd, unsigned long arg) input_pool.entropy_count = 0; blocking_pool.entropy_count = 0; return 0; + case RNDRESEEDCRNG: + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + if (crng_init < 2) + return -ENODATA; + crng_reseed(&primary_crng, NULL); + crng_global_init_time = jiffies - 1; + return 0; default: return -EINVAL; } @@ -2212,7 +2278,7 @@ void add_hwgenerator_randomness(const char *buffer, size_t count, { struct entropy_store *poolp = &input_pool; - if (!crng_ready()) { + if (unlikely(crng_init == 0)) { crng_fast_load(buffer, count); return; } diff --git a/drivers/clocksource/timer-imx-tpm.c b/drivers/clocksource/timer-imx-tpm.c index 05d97a6871d8..6c8318470b48 100644 --- a/drivers/clocksource/timer-imx-tpm.c +++ b/drivers/clocksource/timer-imx-tpm.c @@ -114,7 +114,7 @@ static int tpm_set_next_event(unsigned long delta, * of writing CNT registers which may cause the min_delta event got * missed, so we need add a ETIME check here in case it happened. */ - return (int)((next - now) <= 0) ? -ETIME : 0; + return (int)(next - now) <= 0 ? -ETIME : 0; } static int tpm_set_state_oneshot(struct clock_event_device *evt) diff --git a/drivers/dax/device.c b/drivers/dax/device.c index be8606457f27..aff2c1594220 100644 --- a/drivers/dax/device.c +++ b/drivers/dax/device.c @@ -19,6 +19,7 @@ #include <linux/dax.h> #include <linux/fs.h> #include <linux/mm.h> +#include <linux/mman.h> #include "dax-private.h" #include "dax.h" @@ -540,6 +541,7 @@ static const struct file_operations dax_fops = { .release = dax_release, .get_unmapped_area = dax_get_unmapped_area, .mmap = dax_mmap, + .mmap_supported_flags = MAP_SYNC, }; static void dev_dax_release(struct device *dev) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c index f6cb502c303f..25f064c01038 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c @@ -138,13 +138,6 @@ int amdgpu_dm_set_regamma_lut(struct dm_crtc_state *crtc) lut = (struct drm_color_lut *)blob->data; lut_size = blob->length / sizeof(struct drm_color_lut); - if (__is_lut_linear(lut, lut_size)) { - /* Set to bypass if lut is set to linear */ - stream->out_transfer_func->type = TF_TYPE_BYPASS; - stream->out_transfer_func->tf = TRANSFER_FUNCTION_LINEAR; - return 0; - } - gamma = dc_create_gamma(); if (!gamma) return -ENOMEM; diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index add90675fd2a..26fbeafc3c96 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -4743,23 +4743,27 @@ static void smu7_check_dpm_table_updated(struct pp_hwmgr *hwmgr) for (i=0; i < dep_table->count; i++) { if (dep_table->entries[i].vddc != odn_dep_table->entries[i].vddc) { - data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_VDDC; - break; + data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_VDDC | DPMTABLE_OD_UPDATE_MCLK; + return; } } - if (i == dep_table->count) + if (i == dep_table->count && data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_VDDC) { data->need_update_smu7_dpm_table &= ~DPMTABLE_OD_UPDATE_VDDC; + data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_MCLK; + } dep_table = table_info->vdd_dep_on_sclk; odn_dep_table = (struct phm_ppt_v1_clock_voltage_dependency_table *)&(odn_table->vdd_dependency_on_sclk); for (i=0; i < dep_table->count; i++) { if (dep_table->entries[i].vddc != odn_dep_table->entries[i].vddc) { - data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_VDDC; - break; + data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_VDDC | DPMTABLE_OD_UPDATE_SCLK; + return; } } - if (i == dep_table->count) + if (i == dep_table->count && data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_VDDC) { data->need_update_smu7_dpm_table &= ~DPMTABLE_OD_UPDATE_VDDC; + data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_SCLK; + } } static int smu7_odn_edit_dpm_table(struct pp_hwmgr *hwmgr, diff --git a/drivers/gpu/drm/amd/powerplay/inc/vega12/smu9_driver_if.h b/drivers/gpu/drm/amd/powerplay/inc/vega12/smu9_driver_if.h index fb696e3d06cf..2f8a3b983cce 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/vega12/smu9_driver_if.h +++ b/drivers/gpu/drm/amd/powerplay/inc/vega12/smu9_driver_if.h @@ -412,8 +412,10 @@ typedef struct { QuadraticInt_t ReservedEquation2; QuadraticInt_t ReservedEquation3; + uint16_t MinVoltageUlvGfx; + uint16_t MinVoltageUlvSoc; - uint32_t Reserved[15]; + uint32_t Reserved[14]; diff --git a/drivers/gpu/drm/drm_dp_dual_mode_helper.c b/drivers/gpu/drm/drm_dp_dual_mode_helper.c index 02a50929af67..e7f4fe2848a5 100644 --- a/drivers/gpu/drm/drm_dp_dual_mode_helper.c +++ b/drivers/gpu/drm/drm_dp_dual_mode_helper.c @@ -350,19 +350,44 @@ int drm_dp_dual_mode_set_tmds_output(enum drm_dp_dual_mode_type type, { uint8_t tmds_oen = enable ? 0 : DP_DUAL_MODE_TMDS_DISABLE; ssize_t ret; + int retry; if (type < DRM_DP_DUAL_MODE_TYPE2_DVI) return 0; - ret = drm_dp_dual_mode_write(adapter, DP_DUAL_MODE_TMDS_OEN, - &tmds_oen, sizeof(tmds_oen)); - if (ret) { - DRM_DEBUG_KMS("Failed to %s TMDS output buffers\n", - enable ? "enable" : "disable"); - return ret; + /* + * LSPCON adapters in low-power state may ignore the first write, so + * read back and verify the written value a few times. + */ + for (retry = 0; retry < 3; retry++) { + uint8_t tmp; + + ret = drm_dp_dual_mode_write(adapter, DP_DUAL_MODE_TMDS_OEN, + &tmds_oen, sizeof(tmds_oen)); + if (ret) { + DRM_DEBUG_KMS("Failed to %s TMDS output buffers (%d attempts)\n", + enable ? "enable" : "disable", + retry + 1); + return ret; + } + + ret = drm_dp_dual_mode_read(adapter, DP_DUAL_MODE_TMDS_OEN, + &tmp, sizeof(tmp)); + if (ret) { + DRM_DEBUG_KMS("I2C read failed during TMDS output buffer %s (%d attempts)\n", + enable ? "enabling" : "disabling", + retry + 1); + return ret; + } + + if (tmp == tmds_oen) + return 0; } - return 0; + DRM_DEBUG_KMS("I2C write value mismatch during TMDS output buffer %s\n", + enable ? "enabling" : "disabling"); + + return -EIO; } EXPORT_SYMBOL(drm_dp_dual_mode_set_tmds_output); diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c index 0faaf829f5bf..f0e79178bde6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fb.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c @@ -18,6 +18,7 @@ #include <drm/drm_fb_helper.h> #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> +#include <drm/drm_gem_framebuffer_helper.h> #include <uapi/drm/exynos_drm.h> #include "exynos_drm_drv.h" @@ -26,20 +27,6 @@ #include "exynos_drm_iommu.h" #include "exynos_drm_crtc.h" -#define to_exynos_fb(x) container_of(x, struct exynos_drm_fb, fb) - -/* - * exynos specific framebuffer structure. - * - * @fb: drm framebuffer obejct. - * @exynos_gem: array of exynos specific gem object containing a gem object. - */ -struct exynos_drm_fb { - struct drm_framebuffer fb; - struct exynos_drm_gem *exynos_gem[MAX_FB_BUFFER]; - dma_addr_t dma_addr[MAX_FB_BUFFER]; -}; - static int check_fb_gem_memory_type(struct drm_device *drm_dev, struct exynos_drm_gem *exynos_gem) { @@ -66,40 +53,9 @@ static int check_fb_gem_memory_type(struct drm_device *drm_dev, return 0; } -static void exynos_drm_fb_destroy(struct drm_framebuffer *fb) -{ - struct exynos_drm_fb *exynos_fb = to_exynos_fb(fb); - unsigned int i; - - drm_framebuffer_cleanup(fb); - - for (i = 0; i < ARRAY_SIZE(exynos_fb->exynos_gem); i++) { - struct drm_gem_object *obj; - - if (exynos_fb->exynos_gem[i] == NULL) - continue; - - obj = &exynos_fb->exynos_gem[i]->base; - drm_gem_object_unreference_unlocked(obj); - } - - kfree(exynos_fb); - exynos_fb = NULL; -} - -static int exynos_drm_fb_create_handle(struct drm_framebuffer *fb, - struct drm_file *file_priv, - unsigned int *handle) -{ - struct exynos_drm_fb *exynos_fb = to_exynos_fb(fb); - - return drm_gem_handle_create(file_priv, - &exynos_fb->exynos_gem[0]->base, handle); -} - static const struct drm_framebuffer_funcs exynos_drm_fb_funcs = { - .destroy = exynos_drm_fb_destroy, - .create_handle = exynos_drm_fb_create_handle, + .destroy = drm_gem_fb_destroy, + .create_handle = drm_gem_fb_create_handle, }; struct drm_framebuffer * @@ -108,12 +64,12 @@ exynos_drm_framebuffer_init(struct drm_device *dev, struct exynos_drm_gem **exynos_gem, int count) { - struct exynos_drm_fb *exynos_fb; + struct drm_framebuffer *fb; int i; int ret; - exynos_fb = kzalloc(sizeof(*exynos_fb), GFP_KERNEL); - if (!exynos_fb) + fb = kzalloc(sizeof(*fb), GFP_KERNEL); + if (!fb) return ERR_PTR(-ENOMEM); for (i = 0; i < count; i++) { @@ -121,23 +77,21 @@ exynos_drm_framebuffer_init(struct drm_device *dev, if (ret < 0) goto err; - exynos_fb->exynos_gem[i] = exynos_gem[i]; - exynos_fb->dma_addr[i] = exynos_gem[i]->dma_addr - + mode_cmd->offsets[i]; + fb->obj[i] = &exynos_gem[i]->base; } - drm_helper_mode_fill_fb_struct(dev, &exynos_fb->fb, mode_cmd); + drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd); - ret = drm_framebuffer_init(dev, &exynos_fb->fb, &exynos_drm_fb_funcs); + ret = drm_framebuffer_init(dev, fb, &exynos_drm_fb_funcs); if (ret < 0) { DRM_ERROR("failed to initialize framebuffer\n"); goto err; } - return &exynos_fb->fb; + return fb; err: - kfree(exynos_fb); + kfree(fb); return ERR_PTR(ret); } @@ -191,12 +145,13 @@ err: dma_addr_t exynos_drm_fb_dma_addr(struct drm_framebuffer *fb, int index) { - struct exynos_drm_fb *exynos_fb = to_exynos_fb(fb); + struct exynos_drm_gem *exynos_gem; if (WARN_ON_ONCE(index >= MAX_FB_BUFFER)) return 0; - return exynos_fb->dma_addr[index]; + exynos_gem = to_exynos_gem(fb->obj[index]); + return exynos_gem->dma_addr + fb->offsets[index]; } static struct drm_mode_config_helper_funcs exynos_drm_mode_config_helpers = { diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c index db6b94dda5df..d85939bd7b47 100644 --- a/drivers/gpu/drm/i915/gvt/cmd_parser.c +++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c @@ -1080,6 +1080,7 @@ static int cmd_handler_mi_user_interrupt(struct parser_exec_state *s) { set_bit(cmd_interrupt_events[s->ring_id].mi_user_interrupt, s->workload->pending_events); + patch_value(s, cmd_ptr(s, 0), MI_NOOP); return 0; } diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c index dd96ffc878ac..6d8180e8d1e2 100644 --- a/drivers/gpu/drm/i915/gvt/display.c +++ b/drivers/gpu/drm/i915/gvt/display.c @@ -169,6 +169,8 @@ static u8 dpcd_fix_data[DPCD_HEADER_SIZE] = { static void emulate_monitor_status_change(struct intel_vgpu *vgpu) { struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; + int pipe; + vgpu_vreg_t(vgpu, SDEISR) &= ~(SDE_PORTB_HOTPLUG_CPT | SDE_PORTC_HOTPLUG_CPT | SDE_PORTD_HOTPLUG_CPT); @@ -267,6 +269,14 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu) if (IS_BROADWELL(dev_priv)) vgpu_vreg_t(vgpu, PCH_ADPA) &= ~ADPA_CRT_HOTPLUG_MONITOR_MASK; + /* Disable Primary/Sprite/Cursor plane */ + for_each_pipe(dev_priv, pipe) { + vgpu_vreg_t(vgpu, DSPCNTR(pipe)) &= ~DISPLAY_PLANE_ENABLE; + vgpu_vreg_t(vgpu, SPRCTL(pipe)) &= ~SPRITE_ENABLE; + vgpu_vreg_t(vgpu, CURCNTR(pipe)) &= ~CURSOR_MODE; + vgpu_vreg_t(vgpu, CURCNTR(pipe)) |= CURSOR_MODE_DISABLE; + } + vgpu_vreg_t(vgpu, PIPECONF(PIPE_A)) |= PIPECONF_ENABLE; } diff --git a/drivers/gpu/drm/i915/gvt/dmabuf.c b/drivers/gpu/drm/i915/gvt/dmabuf.c index b555eb26f9ce..6f4f8e941fc2 100644 --- a/drivers/gpu/drm/i915/gvt/dmabuf.c +++ b/drivers/gpu/drm/i915/gvt/dmabuf.c @@ -323,6 +323,7 @@ static void update_fb_info(struct vfio_device_gfx_plane_info *gvt_dmabuf, struct intel_vgpu_fb_info *fb_info) { gvt_dmabuf->drm_format = fb_info->drm_format; + gvt_dmabuf->drm_format_mod = fb_info->drm_format_mod; gvt_dmabuf->width = fb_info->width; gvt_dmabuf->height = fb_info->height; gvt_dmabuf->stride = fb_info->stride; diff --git a/drivers/gpu/drm/i915/gvt/fb_decoder.c b/drivers/gpu/drm/i915/gvt/fb_decoder.c index 6b50fe78dc1b..1c120683e958 100644 --- a/drivers/gpu/drm/i915/gvt/fb_decoder.c +++ b/drivers/gpu/drm/i915/gvt/fb_decoder.c @@ -245,16 +245,13 @@ int intel_vgpu_decode_primary_plane(struct intel_vgpu *vgpu, plane->hw_format = fmt; plane->base = vgpu_vreg_t(vgpu, DSPSURF(pipe)) & I915_GTT_PAGE_MASK; - if (!intel_gvt_ggtt_validate_range(vgpu, plane->base, 0)) { - gvt_vgpu_err("invalid gma address: %lx\n", - (unsigned long)plane->base); + if (!intel_gvt_ggtt_validate_range(vgpu, plane->base, 0)) return -EINVAL; - } plane->base_gpa = intel_vgpu_gma_to_gpa(vgpu->gtt.ggtt_mm, plane->base); if (plane->base_gpa == INTEL_GVT_INVALID_ADDR) { - gvt_vgpu_err("invalid gma address: %lx\n", - (unsigned long)plane->base); + gvt_vgpu_err("Translate primary plane gma 0x%x to gpa fail\n", + plane->base); return -EINVAL; } @@ -371,16 +368,13 @@ int intel_vgpu_decode_cursor_plane(struct intel_vgpu *vgpu, alpha_plane, alpha_force); plane->base = vgpu_vreg_t(vgpu, CURBASE(pipe)) & I915_GTT_PAGE_MASK; - if (!intel_gvt_ggtt_validate_range(vgpu, plane->base, 0)) { - gvt_vgpu_err("invalid gma address: %lx\n", - (unsigned long)plane->base); + if (!intel_gvt_ggtt_validate_range(vgpu, plane->base, 0)) return -EINVAL; - } plane->base_gpa = intel_vgpu_gma_to_gpa(vgpu->gtt.ggtt_mm, plane->base); if (plane->base_gpa == INTEL_GVT_INVALID_ADDR) { - gvt_vgpu_err("invalid gma address: %lx\n", - (unsigned long)plane->base); + gvt_vgpu_err("Translate cursor plane gma 0x%x to gpa fail\n", + plane->base); return -EINVAL; } @@ -476,16 +470,13 @@ int intel_vgpu_decode_sprite_plane(struct intel_vgpu *vgpu, plane->drm_format = drm_format; plane->base = vgpu_vreg_t(vgpu, SPRSURF(pipe)) & I915_GTT_PAGE_MASK; - if (!intel_gvt_ggtt_validate_range(vgpu, plane->base, 0)) { - gvt_vgpu_err("invalid gma address: %lx\n", - (unsigned long)plane->base); + if (!intel_gvt_ggtt_validate_range(vgpu, plane->base, 0)) return -EINVAL; - } plane->base_gpa = intel_vgpu_gma_to_gpa(vgpu->gtt.ggtt_mm, plane->base); if (plane->base_gpa == INTEL_GVT_INVALID_ADDR) { - gvt_vgpu_err("invalid gma address: %lx\n", - (unsigned long)plane->base); + gvt_vgpu_err("Translate sprite plane gma 0x%x to gpa fail\n", + plane->base); return -EINVAL; } diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c index d29281231507..78e55aafc8bc 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.c +++ b/drivers/gpu/drm/i915/gvt/gtt.c @@ -530,6 +530,16 @@ static void ggtt_set_guest_entry(struct intel_vgpu_mm *mm, false, 0, mm->vgpu); } +static void ggtt_get_host_entry(struct intel_vgpu_mm *mm, + struct intel_gvt_gtt_entry *entry, unsigned long index) +{ + struct intel_gvt_gtt_pte_ops *pte_ops = mm->vgpu->gvt->gtt.pte_ops; + + GEM_BUG_ON(mm->type != INTEL_GVT_MM_GGTT); + + pte_ops->get_entry(NULL, entry, index, false, 0, mm->vgpu); +} + static void ggtt_set_host_entry(struct intel_vgpu_mm *mm, struct intel_gvt_gtt_entry *entry, unsigned long index) { @@ -1818,6 +1828,18 @@ int intel_vgpu_emulate_ggtt_mmio_read(struct intel_vgpu *vgpu, unsigned int off, return ret; } +static void ggtt_invalidate_pte(struct intel_vgpu *vgpu, + struct intel_gvt_gtt_entry *entry) +{ + struct intel_gvt_gtt_pte_ops *pte_ops = vgpu->gvt->gtt.pte_ops; + unsigned long pfn; + + pfn = pte_ops->get_pfn(entry); + if (pfn != vgpu->gvt->gtt.scratch_mfn) + intel_gvt_hypervisor_dma_unmap_guest_page(vgpu, + pfn << PAGE_SHIFT); +} + static int emulate_ggtt_mmio_write(struct intel_vgpu *vgpu, unsigned int off, void *p_data, unsigned int bytes) { @@ -1844,10 +1866,10 @@ static int emulate_ggtt_mmio_write(struct intel_vgpu *vgpu, unsigned int off, memcpy((void *)&e.val64 + (off & (info->gtt_entry_size - 1)), p_data, bytes); - m = e; if (ops->test_present(&e)) { gfn = ops->get_pfn(&e); + m = e; /* one PTE update may be issued in multiple writes and the * first write may not construct a valid gfn @@ -1868,8 +1890,12 @@ static int emulate_ggtt_mmio_write(struct intel_vgpu *vgpu, unsigned int off, ops->set_pfn(&m, gvt->gtt.scratch_mfn); } else ops->set_pfn(&m, dma_addr >> PAGE_SHIFT); - } else + } else { + ggtt_get_host_entry(ggtt_mm, &m, g_gtt_index); + ggtt_invalidate_pte(vgpu, &m); ops->set_pfn(&m, gvt->gtt.scratch_mfn); + ops->clear_present(&m); + } out: ggtt_set_host_entry(ggtt_mm, &m, g_gtt_index); @@ -2030,7 +2056,7 @@ int intel_vgpu_init_gtt(struct intel_vgpu *vgpu) return PTR_ERR(gtt->ggtt_mm); } - intel_vgpu_reset_ggtt(vgpu); + intel_vgpu_reset_ggtt(vgpu, false); return create_scratch_page_tree(vgpu); } @@ -2315,17 +2341,19 @@ void intel_vgpu_invalidate_ppgtt(struct intel_vgpu *vgpu) /** * intel_vgpu_reset_ggtt - reset the GGTT entry * @vgpu: a vGPU + * @invalidate_old: invalidate old entries * * This function is called at the vGPU create stage * to reset all the GGTT entries. * */ -void intel_vgpu_reset_ggtt(struct intel_vgpu *vgpu) +void intel_vgpu_reset_ggtt(struct intel_vgpu *vgpu, bool invalidate_old) { struct intel_gvt *gvt = vgpu->gvt; struct drm_i915_private *dev_priv = gvt->dev_priv; struct intel_gvt_gtt_pte_ops *pte_ops = vgpu->gvt->gtt.pte_ops; struct intel_gvt_gtt_entry entry = {.type = GTT_TYPE_GGTT_PTE}; + struct intel_gvt_gtt_entry old_entry; u32 index; u32 num_entries; @@ -2334,13 +2362,23 @@ void intel_vgpu_reset_ggtt(struct intel_vgpu *vgpu) index = vgpu_aperture_gmadr_base(vgpu) >> PAGE_SHIFT; num_entries = vgpu_aperture_sz(vgpu) >> PAGE_SHIFT; - while (num_entries--) + while (num_entries--) { + if (invalidate_old) { + ggtt_get_host_entry(vgpu->gtt.ggtt_mm, &old_entry, index); + ggtt_invalidate_pte(vgpu, &old_entry); + } ggtt_set_host_entry(vgpu->gtt.ggtt_mm, &entry, index++); + } index = vgpu_hidden_gmadr_base(vgpu) >> PAGE_SHIFT; num_entries = vgpu_hidden_sz(vgpu) >> PAGE_SHIFT; - while (num_entries--) + while (num_entries--) { + if (invalidate_old) { + ggtt_get_host_entry(vgpu->gtt.ggtt_mm, &old_entry, index); + ggtt_invalidate_pte(vgpu, &old_entry); + } ggtt_set_host_entry(vgpu->gtt.ggtt_mm, &entry, index++); + } ggtt_invalidate(dev_priv); } @@ -2360,5 +2398,5 @@ void intel_vgpu_reset_gtt(struct intel_vgpu *vgpu) * removing the shadow pages. */ intel_vgpu_destroy_all_ppgtt_mm(vgpu); - intel_vgpu_reset_ggtt(vgpu); + intel_vgpu_reset_ggtt(vgpu, true); } diff --git a/drivers/gpu/drm/i915/gvt/gtt.h b/drivers/gpu/drm/i915/gvt/gtt.h index a8b369cd352b..3792f2b7f4ff 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.h +++ b/drivers/gpu/drm/i915/gvt/gtt.h @@ -193,7 +193,7 @@ struct intel_vgpu_gtt { extern int intel_vgpu_init_gtt(struct intel_vgpu *vgpu); extern void intel_vgpu_clean_gtt(struct intel_vgpu *vgpu); -void intel_vgpu_reset_ggtt(struct intel_vgpu *vgpu); +void intel_vgpu_reset_ggtt(struct intel_vgpu *vgpu, bool invalidate_old); void intel_vgpu_invalidate_ppgtt(struct intel_vgpu *vgpu); extern int intel_gvt_init_gtt(struct intel_gvt *gvt); diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index 8c5d5d005854..a33c1c3e4a21 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -1150,6 +1150,7 @@ static int handle_g2v_notification(struct intel_vgpu *vgpu, int notification) switch (notification) { case VGT_G2V_PPGTT_L3_PAGE_TABLE_CREATE: root_entry_type = GTT_TYPE_PPGTT_ROOT_L3_ENTRY; + /* fall through */ case VGT_G2V_PPGTT_L4_PAGE_TABLE_CREATE: mm = intel_vgpu_get_ppgtt_mm(vgpu, root_entry_type, pdps); return PTR_ERR_OR_ZERO(mm); diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c index c16a492449d7..1466d8769ec9 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -1301,7 +1301,7 @@ static long intel_vgpu_ioctl(struct mdev_device *mdev, unsigned int cmd, } - return 0; + return -ENOTTY; } static ssize_t diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 84ca369f15a5..3b4daafebdcb 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -1105,30 +1105,32 @@ static int i915_driver_init_hw(struct drm_i915_private *dev_priv) ret = i915_ggtt_probe_hw(dev_priv); if (ret) - return ret; + goto err_perf; - /* WARNING: Apparently we must kick fbdev drivers before vgacon, - * otherwise the vga fbdev driver falls over. */ + /* + * WARNING: Apparently we must kick fbdev drivers before vgacon, + * otherwise the vga fbdev driver falls over. + */ ret = i915_kick_out_firmware_fb(dev_priv); if (ret) { DRM_ERROR("failed to remove conflicting framebuffer drivers\n"); - goto out_ggtt; + goto err_ggtt; } ret = i915_kick_out_vgacon(dev_priv); if (ret) { DRM_ERROR("failed to remove conflicting VGA console\n"); - goto out_ggtt; + goto err_ggtt; } ret = i915_ggtt_init_hw(dev_priv); if (ret) - return ret; + goto err_ggtt; ret = i915_ggtt_enable_hw(dev_priv); if (ret) { DRM_ERROR("failed to enable GGTT\n"); - goto out_ggtt; + goto err_ggtt; } pci_set_master(pdev); @@ -1139,7 +1141,7 @@ static int i915_driver_init_hw(struct drm_i915_private *dev_priv) if (ret) { DRM_ERROR("failed to set DMA mask\n"); - goto out_ggtt; + goto err_ggtt; } } @@ -1157,7 +1159,7 @@ static int i915_driver_init_hw(struct drm_i915_private *dev_priv) if (ret) { DRM_ERROR("failed to set DMA mask\n"); - goto out_ggtt; + goto err_ggtt; } } @@ -1190,13 +1192,14 @@ static int i915_driver_init_hw(struct drm_i915_private *dev_priv) ret = intel_gvt_init(dev_priv); if (ret) - goto out_ggtt; + goto err_ggtt; return 0; -out_ggtt: +err_ggtt: i915_ggtt_cleanup_hw(dev_priv); - +err_perf: + i915_perf_fini(dev_priv); return ret; } diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 8c170db8495d..0414228cd2b5 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -728,7 +728,7 @@ static int eb_lookup_vmas(struct i915_execbuffer *eb) err = radix_tree_insert(handles_vma, handle, vma); if (unlikely(err)) { - kfree(lut); + kmem_cache_free(eb->i915->luts, lut); goto err_obj; } diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c index d8feb9053e0c..f0519e31543a 100644 --- a/drivers/gpu/drm/i915/i915_pmu.c +++ b/drivers/gpu/drm/i915/i915_pmu.c @@ -473,20 +473,37 @@ static u64 get_rc6(struct drm_i915_private *i915) spin_lock_irqsave(&i915->pmu.lock, flags); spin_lock(&kdev->power.lock); - if (!i915->pmu.sample[__I915_SAMPLE_RC6_ESTIMATED].cur) - i915->pmu.suspended_jiffies_last = - kdev->power.suspended_jiffies; + /* + * After the above branch intel_runtime_pm_get_if_in_use failed + * to get the runtime PM reference we cannot assume we are in + * runtime suspend since we can either: a) race with coming out + * of it before we took the power.lock, or b) there are other + * states than suspended which can bring us here. + * + * We need to double-check that we are indeed currently runtime + * suspended and if not we cannot do better than report the last + * known RC6 value. + */ + if (kdev->power.runtime_status == RPM_SUSPENDED) { + if (!i915->pmu.sample[__I915_SAMPLE_RC6_ESTIMATED].cur) + i915->pmu.suspended_jiffies_last = + kdev->power.suspended_jiffies; - val = kdev->power.suspended_jiffies - - i915->pmu.suspended_jiffies_last; - val += jiffies - kdev->power.accounting_timestamp; + val = kdev->power.suspended_jiffies - + i915->pmu.suspended_jiffies_last; + val += jiffies - kdev->power.accounting_timestamp; - spin_unlock(&kdev->power.lock); + val = jiffies_to_nsecs(val); + val += i915->pmu.sample[__I915_SAMPLE_RC6].cur; - val = jiffies_to_nsecs(val); - val += i915->pmu.sample[__I915_SAMPLE_RC6].cur; - i915->pmu.sample[__I915_SAMPLE_RC6_ESTIMATED].cur = val; + i915->pmu.sample[__I915_SAMPLE_RC6_ESTIMATED].cur = val; + } else if (i915->pmu.sample[__I915_SAMPLE_RC6_ESTIMATED].cur) { + val = i915->pmu.sample[__I915_SAMPLE_RC6_ESTIMATED].cur; + } else { + val = i915->pmu.sample[__I915_SAMPLE_RC6].cur; + } + spin_unlock(&kdev->power.lock); spin_unlock_irqrestore(&i915->pmu.lock, flags); } diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c index 709d6ca68074..3ea566f99450 100644 --- a/drivers/gpu/drm/i915/intel_audio.c +++ b/drivers/gpu/drm/i915/intel_audio.c @@ -729,7 +729,7 @@ static void i915_audio_component_codec_wake_override(struct device *kdev, struct drm_i915_private *dev_priv = kdev_to_i915(kdev); u32 tmp; - if (!IS_GEN9_BC(dev_priv)) + if (!IS_GEN9(dev_priv)) return; i915_audio_component_get_power(kdev); diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index c5c7530ba157..447b721c3be9 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -1256,7 +1256,6 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port, return; aux_channel = child->aux_channel; - ddc_pin = child->ddc_pin; is_dvi = child->device_type & DEVICE_TYPE_TMDS_DVI_SIGNALING; is_dp = child->device_type & DEVICE_TYPE_DISPLAYPORT_OUTPUT; @@ -1303,9 +1302,15 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port, DRM_DEBUG_KMS("Port %c is internal DP\n", port_name(port)); if (is_dvi) { - info->alternate_ddc_pin = map_ddc_pin(dev_priv, ddc_pin); - - sanitize_ddc_pin(dev_priv, port); + ddc_pin = map_ddc_pin(dev_priv, child->ddc_pin); + if (intel_gmbus_is_valid_pin(dev_priv, ddc_pin)) { + info->alternate_ddc_pin = ddc_pin; + sanitize_ddc_pin(dev_priv, port); + } else { + DRM_DEBUG_KMS("Port %c has invalid DDC pin %d, " + "sticking to defaults\n", + port_name(port), ddc_pin); + } } if (is_dp) { diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 697af5add78b..e3a5f673ff67 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -577,6 +577,8 @@ static void execlists_dequeue(struct intel_engine_cs *engine) * know the next preemption status we see corresponds * to this ELSP update. */ + GEM_BUG_ON(!execlists_is_active(execlists, + EXECLISTS_ACTIVE_USER)); GEM_BUG_ON(!port_count(&port[0])); if (port_count(&port[0]) > 1) goto unlock; @@ -738,6 +740,8 @@ execlists_cancel_port_requests(struct intel_engine_execlists * const execlists) memset(port, 0, sizeof(*port)); port++; } + + execlists_clear_active(execlists, EXECLISTS_ACTIVE_USER); } static void execlists_cancel_requests(struct intel_engine_cs *engine) @@ -1001,6 +1005,11 @@ static void execlists_submission_tasklet(unsigned long data) if (fw) intel_uncore_forcewake_put(dev_priv, execlists->fw_domains); + + /* If the engine is now idle, so should be the flag; and vice versa. */ + GEM_BUG_ON(execlists_is_active(&engine->execlists, + EXECLISTS_ACTIVE_USER) == + !port_isset(engine->execlists.port)); } static void queue_request(struct intel_engine_cs *engine, diff --git a/drivers/gpu/drm/vc4/vc4_bo.c b/drivers/gpu/drm/vc4/vc4_bo.c index 2decc8e2c79f..add9cc97a3b6 100644 --- a/drivers/gpu/drm/vc4/vc4_bo.c +++ b/drivers/gpu/drm/vc4/vc4_bo.c @@ -195,6 +195,7 @@ static void vc4_bo_destroy(struct vc4_bo *bo) vc4_bo_set_label(obj, -1); if (bo->validated_shader) { + kfree(bo->validated_shader->uniform_addr_offsets); kfree(bo->validated_shader->texture_samples); kfree(bo->validated_shader); bo->validated_shader = NULL; @@ -591,6 +592,7 @@ void vc4_free_object(struct drm_gem_object *gem_bo) } if (bo->validated_shader) { + kfree(bo->validated_shader->uniform_addr_offsets); kfree(bo->validated_shader->texture_samples); kfree(bo->validated_shader); bo->validated_shader = NULL; diff --git a/drivers/gpu/drm/vc4/vc4_validate_shaders.c b/drivers/gpu/drm/vc4/vc4_validate_shaders.c index d3f15bf60900..7cf82b071de2 100644 --- a/drivers/gpu/drm/vc4/vc4_validate_shaders.c +++ b/drivers/gpu/drm/vc4/vc4_validate_shaders.c @@ -942,6 +942,7 @@ vc4_validate_shader(struct drm_gem_cma_object *shader_obj) fail: kfree(validation_state.branch_targets); if (validated_shader) { + kfree(validated_shader->uniform_addr_offsets); kfree(validated_shader->texture_samples); kfree(validated_shader); } diff --git a/drivers/nvdimm/Kconfig b/drivers/nvdimm/Kconfig index 85997184e047..9d36473dc2a2 100644 --- a/drivers/nvdimm/Kconfig +++ b/drivers/nvdimm/Kconfig @@ -103,8 +103,7 @@ config NVDIMM_DAX Select Y if unsure config OF_PMEM - # FIXME: make tristate once OF_NUMA dependency removed - bool "Device-tree support for persistent memory regions" + tristate "Device-tree support for persistent memory regions" depends on OF default LIBNVDIMM help diff --git a/drivers/nvdimm/dimm_devs.c b/drivers/nvdimm/dimm_devs.c index e00d45522b80..8d348b22ba45 100644 --- a/drivers/nvdimm/dimm_devs.c +++ b/drivers/nvdimm/dimm_devs.c @@ -88,9 +88,9 @@ int nvdimm_init_nsarea(struct nvdimm_drvdata *ndd) int nvdimm_init_config_data(struct nvdimm_drvdata *ndd) { struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(ndd->dev); + int rc = validate_dimm(ndd), cmd_rc = 0; struct nd_cmd_get_config_data_hdr *cmd; struct nvdimm_bus_descriptor *nd_desc; - int rc = validate_dimm(ndd); u32 max_cmd_size, config_size; size_t offset; @@ -124,9 +124,11 @@ int nvdimm_init_config_data(struct nvdimm_drvdata *ndd) cmd->in_offset = offset; rc = nd_desc->ndctl(nd_desc, to_nvdimm(ndd->dev), ND_CMD_GET_CONFIG_DATA, cmd, - cmd->in_length + sizeof(*cmd), NULL); - if (rc || cmd->status) { - rc = -ENXIO; + cmd->in_length + sizeof(*cmd), &cmd_rc); + if (rc < 0) + break; + if (cmd_rc < 0) { + rc = cmd_rc; break; } memcpy(ndd->data + offset, cmd->out_buf, cmd->in_length); @@ -140,9 +142,9 @@ int nvdimm_init_config_data(struct nvdimm_drvdata *ndd) int nvdimm_set_config_data(struct nvdimm_drvdata *ndd, size_t offset, void *buf, size_t len) { - int rc = validate_dimm(ndd); size_t max_cmd_size, buf_offset; struct nd_cmd_set_config_hdr *cmd; + int rc = validate_dimm(ndd), cmd_rc = 0; struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(ndd->dev); struct nvdimm_bus_descriptor *nd_desc = nvdimm_bus->nd_desc; @@ -164,7 +166,6 @@ int nvdimm_set_config_data(struct nvdimm_drvdata *ndd, size_t offset, for (buf_offset = 0; len; len -= cmd->in_length, buf_offset += cmd->in_length) { size_t cmd_size; - u32 *status; cmd->in_offset = offset + buf_offset; cmd->in_length = min(max_cmd_size, len); @@ -172,12 +173,13 @@ int nvdimm_set_config_data(struct nvdimm_drvdata *ndd, size_t offset, /* status is output in the last 4-bytes of the command buffer */ cmd_size = sizeof(*cmd) + cmd->in_length + sizeof(u32); - status = ((void *) cmd) + cmd_size - sizeof(u32); rc = nd_desc->ndctl(nd_desc, to_nvdimm(ndd->dev), - ND_CMD_SET_CONFIG_DATA, cmd, cmd_size, NULL); - if (rc || *status) { - rc = rc ? rc : -ENXIO; + ND_CMD_SET_CONFIG_DATA, cmd, cmd_size, &cmd_rc); + if (rc < 0) + break; + if (cmd_rc < 0) { + rc = cmd_rc; break; } } diff --git a/drivers/nvdimm/of_pmem.c b/drivers/nvdimm/of_pmem.c index 85013bad35de..0a701837dfc0 100644 --- a/drivers/nvdimm/of_pmem.c +++ b/drivers/nvdimm/of_pmem.c @@ -67,7 +67,7 @@ static int of_pmem_region_probe(struct platform_device *pdev) */ memset(&ndr_desc, 0, sizeof(ndr_desc)); ndr_desc.attr_groups = region_attr_groups; - ndr_desc.numa_node = of_node_to_nid(np); + ndr_desc.numa_node = dev_to_node(&pdev->dev); ndr_desc.res = &pdev->resource[i]; ndr_desc.of_node = np; set_bit(ND_REGION_PAGEMAP, &ndr_desc.flags); diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c index 9d27016c899e..0434ab7b6497 100644 --- a/drivers/rapidio/devices/rio_mport_cdev.c +++ b/drivers/rapidio/devices/rio_mport_cdev.c @@ -740,10 +740,7 @@ static int do_dma_request(struct mport_dma_req *req, tx->callback = dma_xfer_callback; tx->callback_param = req; - req->dmach = chan; - req->sync = sync; req->status = DMA_IN_PROGRESS; - init_completion(&req->req_comp); kref_get(&req->refcount); cookie = dmaengine_submit(tx); @@ -831,13 +828,20 @@ rio_dma_transfer(struct file *filp, u32 transfer_mode, if (!req) return -ENOMEM; - kref_init(&req->refcount); - ret = get_dma_channel(priv); if (ret) { kfree(req); return ret; } + chan = priv->dmach; + + kref_init(&req->refcount); + init_completion(&req->req_comp); + req->dir = dir; + req->filp = filp; + req->priv = priv; + req->dmach = chan; + req->sync = sync; /* * If parameter loc_addr != NULL, we are transferring data from/to @@ -925,11 +929,6 @@ rio_dma_transfer(struct file *filp, u32 transfer_mode, xfer->offset, xfer->length); } - req->dir = dir; - req->filp = filp; - req->priv = priv; - chan = priv->dmach; - nents = dma_map_sg(chan->device->dev, req->sgt.sgl, req->sgt.nents, dir); if (nents == 0) { diff --git a/drivers/watchdog/aspeed_wdt.c b/drivers/watchdog/aspeed_wdt.c index a5b8eb21201f..1abe4d021fd2 100644 --- a/drivers/watchdog/aspeed_wdt.c +++ b/drivers/watchdog/aspeed_wdt.c @@ -55,6 +55,8 @@ MODULE_DEVICE_TABLE(of, aspeed_wdt_of_table); #define WDT_CTRL_WDT_INTR BIT(2) #define WDT_CTRL_RESET_SYSTEM BIT(1) #define WDT_CTRL_ENABLE BIT(0) +#define WDT_TIMEOUT_STATUS 0x10 +#define WDT_TIMEOUT_STATUS_BOOT_SECONDARY BIT(1) /* * WDT_RESET_WIDTH controls the characteristics of the external pulse (if @@ -192,6 +194,7 @@ static int aspeed_wdt_probe(struct platform_device *pdev) struct device_node *np; const char *reset_type; u32 duration; + u32 status; int ret; wdt = devm_kzalloc(&pdev->dev, sizeof(*wdt), GFP_KERNEL); @@ -307,6 +310,10 @@ static int aspeed_wdt_probe(struct platform_device *pdev) writel(duration - 1, wdt->base + WDT_RESET_WIDTH); } + status = readl(wdt->base + WDT_TIMEOUT_STATUS); + if (status & WDT_TIMEOUT_STATUS_BOOT_SECONDARY) + wdt->wdd.bootstatus = WDIOF_CARDRESET; + ret = devm_watchdog_register_device(&pdev->dev, &wdt->wdd); if (ret) { dev_err(&pdev->dev, "failed to register\n"); diff --git a/drivers/watchdog/renesas_wdt.c b/drivers/watchdog/renesas_wdt.c index 6b8c6ddfe30b..514db5cc1595 100644 --- a/drivers/watchdog/renesas_wdt.c +++ b/drivers/watchdog/renesas_wdt.c @@ -121,7 +121,8 @@ static int rwdt_restart(struct watchdog_device *wdev, unsigned long action, } static const struct watchdog_info rwdt_ident = { - .options = WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT, + .options = WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | + WDIOF_CARDRESET, .identity = "Renesas WDT Watchdog", }; @@ -197,9 +198,10 @@ static int rwdt_probe(struct platform_device *pdev) return PTR_ERR(clk); pm_runtime_enable(&pdev->dev); - pm_runtime_get_sync(&pdev->dev); priv->clk_rate = clk_get_rate(clk); + priv->wdev.bootstatus = (readb_relaxed(priv->base + RWTCSRA) & + RWTCSRA_WOVF) ? WDIOF_CARDRESET : 0; pm_runtime_put(&pdev->dev); if (!priv->clk_rate) { diff --git a/drivers/watchdog/sch311x_wdt.c b/drivers/watchdog/sch311x_wdt.c index 43d0cbb7ba0b..814cdf539b0f 100644 --- a/drivers/watchdog/sch311x_wdt.c +++ b/drivers/watchdog/sch311x_wdt.c @@ -299,7 +299,7 @@ static long sch311x_wdt_ioctl(struct file *file, unsigned int cmd, if (sch311x_wdt_set_heartbeat(new_timeout)) return -EINVAL; sch311x_wdt_keepalive(); - /* Fall */ + /* Fall through */ case WDIOC_GETTIMEOUT: return put_user(timeout, p); default: diff --git a/drivers/watchdog/w83977f_wdt.c b/drivers/watchdog/w83977f_wdt.c index 20e2bba10400..672b61a7f9a3 100644 --- a/drivers/watchdog/w83977f_wdt.c +++ b/drivers/watchdog/w83977f_wdt.c @@ -427,7 +427,7 @@ static long wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return -EINVAL; wdt_keepalive(); - /* Fall */ + /* Fall through */ case WDIOC_GETTIMEOUT: return put_user(timeout, uarg.i); diff --git a/drivers/watchdog/wafer5823wdt.c b/drivers/watchdog/wafer5823wdt.c index db0da7ea4fd8..93c5b610e264 100644 --- a/drivers/watchdog/wafer5823wdt.c +++ b/drivers/watchdog/wafer5823wdt.c @@ -178,7 +178,7 @@ static long wafwdt_ioctl(struct file *file, unsigned int cmd, timeout = new_timeout; wafwdt_stop(); wafwdt_start(); - /* Fall */ + /* Fall through */ case WDIOC_GETTIMEOUT: return put_user(timeout, p); diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c index 82e8f6edfb48..b12e37f27530 100644 --- a/fs/autofs4/root.c +++ b/fs/autofs4/root.c @@ -749,7 +749,7 @@ static int autofs4_dir_mkdir(struct inode *dir, autofs4_del_active(dentry); - inode = autofs4_get_inode(dir->i_sb, S_IFDIR | 0555); + inode = autofs4_get_inode(dir->i_sb, S_IFDIR | mode); if (!inode) return -ENOMEM; d_add(dentry, inode); diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 41e04183e4ce..4ad6f669fe34 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -377,10 +377,10 @@ static unsigned long elf_map(struct file *filep, unsigned long addr, } else map_addr = vm_mmap(filep, addr, size, prot, type, off); - if ((type & MAP_FIXED_NOREPLACE) && BAD_ADDR(map_addr)) - pr_info("%d (%s): Uhuuh, elf segment at %p requested but the memory is mapped already\n", - task_pid_nr(current), current->comm, - (void *)addr); + if ((type & MAP_FIXED_NOREPLACE) && + PTR_ERR((void *)map_addr) == -EEXIST) + pr_info("%d (%s): Uhuuh, elf segment at %px requested but the memory is mapped already\n", + task_pid_nr(current), current->comm, (void *)addr); return(map_addr); } diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 5474ef14d6e6..2771cc56a622 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -459,6 +459,25 @@ struct btrfs_block_rsv { unsigned short full; unsigned short type; unsigned short failfast; + + /* + * Qgroup equivalent for @size @reserved + * + * Unlike normal @size/@reserved for inode rsv, qgroup doesn't care + * about things like csum size nor how many tree blocks it will need to + * reserve. + * + * Qgroup cares more about net change of the extent usage. + * + * So for one newly inserted file extent, in worst case it will cause + * leaf split and level increase, nodesize for each file extent is + * already too much. + * + * In short, qgroup_size/reserved is the upper limit of possible needed + * qgroup metadata reservation. + */ + u64 qgroup_rsv_size; + u64 qgroup_rsv_reserved; }; /* @@ -714,6 +733,12 @@ struct btrfs_delayed_root; */ #define BTRFS_FS_EXCL_OP 16 +/* + * To info transaction_kthread we need an immediate commit so it doesn't + * need to wait for commit_interval + */ +#define BTRFS_FS_NEED_ASYNC_COMMIT 17 + struct btrfs_fs_info { u8 fsid[BTRFS_FSID_SIZE]; u8 chunk_tree_uuid[BTRFS_UUID_SIZE]; diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c index 06ec8ab6d9ba..a8d492dbd3e7 100644 --- a/fs/btrfs/delayed-inode.c +++ b/fs/btrfs/delayed-inode.c @@ -556,6 +556,12 @@ static int btrfs_delayed_item_reserve_metadata(struct btrfs_trans_handle *trans, dst_rsv = &fs_info->delayed_block_rsv; num_bytes = btrfs_calc_trans_metadata_size(fs_info, 1); + + /* + * Here we migrate space rsv from transaction rsv, since have already + * reserved space when starting a transaction. So no need to reserve + * qgroup space here. + */ ret = btrfs_block_rsv_migrate(src_rsv, dst_rsv, num_bytes, 1); if (!ret) { trace_btrfs_space_reservation(fs_info, "delayed_item", @@ -577,7 +583,10 @@ static void btrfs_delayed_item_release_metadata(struct btrfs_root *root, return; rsv = &fs_info->delayed_block_rsv; - btrfs_qgroup_convert_reserved_meta(root, item->bytes_reserved); + /* + * Check btrfs_delayed_item_reserve_metadata() to see why we don't need + * to release/reserve qgroup space. + */ trace_btrfs_space_reservation(fs_info, "delayed_item", item->key.objectid, item->bytes_reserved, 0); @@ -602,9 +611,6 @@ static int btrfs_delayed_inode_reserve_metadata( num_bytes = btrfs_calc_trans_metadata_size(fs_info, 1); - ret = btrfs_qgroup_reserve_meta_prealloc(root, num_bytes, true); - if (ret < 0) - return ret; /* * btrfs_dirty_inode will update the inode under btrfs_join_transaction * which doesn't reserve space for speed. This is a problem since we @@ -616,6 +622,10 @@ static int btrfs_delayed_inode_reserve_metadata( */ if (!src_rsv || (!trans->bytes_reserved && src_rsv->type != BTRFS_BLOCK_RSV_DELALLOC)) { + ret = btrfs_qgroup_reserve_meta_prealloc(root, + fs_info->nodesize, true); + if (ret < 0) + return ret; ret = btrfs_block_rsv_add(root, dst_rsv, num_bytes, BTRFS_RESERVE_NO_FLUSH); /* @@ -634,6 +644,8 @@ static int btrfs_delayed_inode_reserve_metadata( "delayed_inode", btrfs_ino(inode), num_bytes, 1); + } else { + btrfs_qgroup_free_meta_prealloc(root, fs_info->nodesize); } return ret; } diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c index 9e98295de7ce..e1b0651686f7 100644 --- a/fs/btrfs/delayed-ref.c +++ b/fs/btrfs/delayed-ref.c @@ -540,8 +540,10 @@ add_delayed_ref_head(struct btrfs_fs_info *fs_info, struct btrfs_delayed_ref_head *head_ref, struct btrfs_qgroup_extent_record *qrecord, u64 bytenr, u64 num_bytes, u64 ref_root, u64 reserved, - int action, int is_data, int *qrecord_inserted_ret, + int action, int is_data, int is_system, + int *qrecord_inserted_ret, int *old_ref_mod, int *new_ref_mod) + { struct btrfs_delayed_ref_head *existing; struct btrfs_delayed_ref_root *delayed_refs; @@ -585,6 +587,7 @@ add_delayed_ref_head(struct btrfs_fs_info *fs_info, head_ref->ref_mod = count_mod; head_ref->must_insert_reserved = must_insert_reserved; head_ref->is_data = is_data; + head_ref->is_system = is_system; head_ref->ref_tree = RB_ROOT; INIT_LIST_HEAD(&head_ref->ref_add_list); RB_CLEAR_NODE(&head_ref->href_node); @@ -772,6 +775,7 @@ int btrfs_add_delayed_tree_ref(struct btrfs_fs_info *fs_info, struct btrfs_delayed_ref_root *delayed_refs; struct btrfs_qgroup_extent_record *record = NULL; int qrecord_inserted; + int is_system = (ref_root == BTRFS_CHUNK_TREE_OBJECTID); BUG_ON(extent_op && extent_op->is_data); ref = kmem_cache_alloc(btrfs_delayed_tree_ref_cachep, GFP_NOFS); @@ -800,8 +804,8 @@ int btrfs_add_delayed_tree_ref(struct btrfs_fs_info *fs_info, */ head_ref = add_delayed_ref_head(fs_info, trans, head_ref, record, bytenr, num_bytes, 0, 0, action, 0, - &qrecord_inserted, old_ref_mod, - new_ref_mod); + is_system, &qrecord_inserted, + old_ref_mod, new_ref_mod); add_delayed_tree_ref(fs_info, trans, head_ref, &ref->node, bytenr, num_bytes, parent, ref_root, level, action); @@ -868,7 +872,7 @@ int btrfs_add_delayed_data_ref(struct btrfs_fs_info *fs_info, */ head_ref = add_delayed_ref_head(fs_info, trans, head_ref, record, bytenr, num_bytes, ref_root, reserved, - action, 1, &qrecord_inserted, + action, 1, 0, &qrecord_inserted, old_ref_mod, new_ref_mod); add_delayed_data_ref(fs_info, trans, head_ref, &ref->node, bytenr, @@ -898,9 +902,14 @@ int btrfs_add_delayed_extent_op(struct btrfs_fs_info *fs_info, delayed_refs = &trans->transaction->delayed_refs; spin_lock(&delayed_refs->lock); + /* + * extent_ops just modify the flags of an extent and they don't result + * in ref count changes, hence it's safe to pass false/0 for is_system + * argument + */ add_delayed_ref_head(fs_info, trans, head_ref, NULL, bytenr, num_bytes, 0, 0, BTRFS_UPDATE_DELAYED_HEAD, - extent_op->is_data, NULL, NULL, NULL); + extent_op->is_data, 0, NULL, NULL, NULL); spin_unlock(&delayed_refs->lock); return 0; diff --git a/fs/btrfs/delayed-ref.h b/fs/btrfs/delayed-ref.h index 741869dbc316..7f00db50bd24 100644 --- a/fs/btrfs/delayed-ref.h +++ b/fs/btrfs/delayed-ref.h @@ -127,6 +127,7 @@ struct btrfs_delayed_ref_head { */ unsigned int must_insert_reserved:1; unsigned int is_data:1; + unsigned int is_system:1; unsigned int processing:1; }; diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 4ac8b1d21baf..60caa68c3618 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1824,6 +1824,7 @@ static int transaction_kthread(void *arg) now = get_seconds(); if (cur->state < TRANS_STATE_BLOCKED && + !test_bit(BTRFS_FS_NEED_ASYNC_COMMIT, &fs_info->flags) && (now < cur->start_time || now - cur->start_time < fs_info->commit_interval)) { spin_unlock(&fs_info->trans_lock); diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 75cfb80d2551..e2f16b68fcbf 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -2601,13 +2601,19 @@ static int cleanup_ref_head(struct btrfs_trans_handle *trans, trace_run_delayed_ref_head(fs_info, head, 0); if (head->total_ref_mod < 0) { - struct btrfs_block_group_cache *cache; + struct btrfs_space_info *space_info; + u64 flags; - cache = btrfs_lookup_block_group(fs_info, head->bytenr); - ASSERT(cache); - percpu_counter_add(&cache->space_info->total_bytes_pinned, + if (head->is_data) + flags = BTRFS_BLOCK_GROUP_DATA; + else if (head->is_system) + flags = BTRFS_BLOCK_GROUP_SYSTEM; + else + flags = BTRFS_BLOCK_GROUP_METADATA; + space_info = __find_space_info(fs_info, flags); + ASSERT(space_info); + percpu_counter_add(&space_info->total_bytes_pinned, -head->num_bytes); - btrfs_put_block_group(cache); if (head->is_data) { spin_lock(&delayed_refs->lock); @@ -5559,14 +5565,18 @@ again: static u64 block_rsv_release_bytes(struct btrfs_fs_info *fs_info, struct btrfs_block_rsv *block_rsv, - struct btrfs_block_rsv *dest, u64 num_bytes) + struct btrfs_block_rsv *dest, u64 num_bytes, + u64 *qgroup_to_release_ret) { struct btrfs_space_info *space_info = block_rsv->space_info; + u64 qgroup_to_release = 0; u64 ret; spin_lock(&block_rsv->lock); - if (num_bytes == (u64)-1) + if (num_bytes == (u64)-1) { num_bytes = block_rsv->size; + qgroup_to_release = block_rsv->qgroup_rsv_size; + } block_rsv->size -= num_bytes; if (block_rsv->reserved >= block_rsv->size) { num_bytes = block_rsv->reserved - block_rsv->size; @@ -5575,6 +5585,13 @@ static u64 block_rsv_release_bytes(struct btrfs_fs_info *fs_info, } else { num_bytes = 0; } + if (block_rsv->qgroup_rsv_reserved >= block_rsv->qgroup_rsv_size) { + qgroup_to_release = block_rsv->qgroup_rsv_reserved - + block_rsv->qgroup_rsv_size; + block_rsv->qgroup_rsv_reserved = block_rsv->qgroup_rsv_size; + } else { + qgroup_to_release = 0; + } spin_unlock(&block_rsv->lock); ret = num_bytes; @@ -5597,6 +5614,8 @@ static u64 block_rsv_release_bytes(struct btrfs_fs_info *fs_info, space_info_add_old_bytes(fs_info, space_info, num_bytes); } + if (qgroup_to_release_ret) + *qgroup_to_release_ret = qgroup_to_release; return ret; } @@ -5738,17 +5757,21 @@ static int btrfs_inode_rsv_refill(struct btrfs_inode *inode, struct btrfs_root *root = inode->root; struct btrfs_block_rsv *block_rsv = &inode->block_rsv; u64 num_bytes = 0; + u64 qgroup_num_bytes = 0; int ret = -ENOSPC; spin_lock(&block_rsv->lock); if (block_rsv->reserved < block_rsv->size) num_bytes = block_rsv->size - block_rsv->reserved; + if (block_rsv->qgroup_rsv_reserved < block_rsv->qgroup_rsv_size) + qgroup_num_bytes = block_rsv->qgroup_rsv_size - + block_rsv->qgroup_rsv_reserved; spin_unlock(&block_rsv->lock); if (num_bytes == 0) return 0; - ret = btrfs_qgroup_reserve_meta_prealloc(root, num_bytes, true); + ret = btrfs_qgroup_reserve_meta_prealloc(root, qgroup_num_bytes, true); if (ret) return ret; ret = reserve_metadata_bytes(root, block_rsv, num_bytes, flush); @@ -5756,7 +5779,13 @@ static int btrfs_inode_rsv_refill(struct btrfs_inode *inode, block_rsv_add_bytes(block_rsv, num_bytes, 0); trace_btrfs_space_reservation(root->fs_info, "delalloc", btrfs_ino(inode), num_bytes, 1); - } + + /* Don't forget to increase qgroup_rsv_reserved */ + spin_lock(&block_rsv->lock); + block_rsv->qgroup_rsv_reserved += qgroup_num_bytes; + spin_unlock(&block_rsv->lock); + } else + btrfs_qgroup_free_meta_prealloc(root, qgroup_num_bytes); return ret; } @@ -5777,20 +5806,23 @@ static void btrfs_inode_rsv_release(struct btrfs_inode *inode, bool qgroup_free) struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv; struct btrfs_block_rsv *block_rsv = &inode->block_rsv; u64 released = 0; + u64 qgroup_to_release = 0; /* * Since we statically set the block_rsv->size we just want to say we * are releasing 0 bytes, and then we'll just get the reservation over * the size free'd. */ - released = block_rsv_release_bytes(fs_info, block_rsv, global_rsv, 0); + released = block_rsv_release_bytes(fs_info, block_rsv, global_rsv, 0, + &qgroup_to_release); if (released > 0) trace_btrfs_space_reservation(fs_info, "delalloc", btrfs_ino(inode), released, 0); if (qgroup_free) - btrfs_qgroup_free_meta_prealloc(inode->root, released); + btrfs_qgroup_free_meta_prealloc(inode->root, qgroup_to_release); else - btrfs_qgroup_convert_reserved_meta(inode->root, released); + btrfs_qgroup_convert_reserved_meta(inode->root, + qgroup_to_release); } void btrfs_block_rsv_release(struct btrfs_fs_info *fs_info, @@ -5802,7 +5834,7 @@ void btrfs_block_rsv_release(struct btrfs_fs_info *fs_info, if (global_rsv == block_rsv || block_rsv->space_info != global_rsv->space_info) global_rsv = NULL; - block_rsv_release_bytes(fs_info, block_rsv, global_rsv, num_bytes); + block_rsv_release_bytes(fs_info, block_rsv, global_rsv, num_bytes, NULL); } static void update_global_block_rsv(struct btrfs_fs_info *fs_info) @@ -5882,7 +5914,7 @@ static void init_global_block_rsv(struct btrfs_fs_info *fs_info) static void release_global_block_rsv(struct btrfs_fs_info *fs_info) { block_rsv_release_bytes(fs_info, &fs_info->global_block_rsv, NULL, - (u64)-1); + (u64)-1, NULL); WARN_ON(fs_info->trans_block_rsv.size > 0); WARN_ON(fs_info->trans_block_rsv.reserved > 0); WARN_ON(fs_info->chunk_block_rsv.size > 0); @@ -5906,7 +5938,7 @@ void btrfs_trans_release_chunk_metadata(struct btrfs_trans_handle *trans) WARN_ON_ONCE(!list_empty(&trans->new_bgs)); block_rsv_release_bytes(fs_info, &fs_info->chunk_block_rsv, NULL, - trans->chunk_bytes_reserved); + trans->chunk_bytes_reserved, NULL); trans->chunk_bytes_reserved = 0; } @@ -6011,6 +6043,7 @@ static void btrfs_calculate_inode_block_rsv_size(struct btrfs_fs_info *fs_info, { struct btrfs_block_rsv *block_rsv = &inode->block_rsv; u64 reserve_size = 0; + u64 qgroup_rsv_size = 0; u64 csum_leaves; unsigned outstanding_extents; @@ -6023,9 +6056,17 @@ static void btrfs_calculate_inode_block_rsv_size(struct btrfs_fs_info *fs_info, inode->csum_bytes); reserve_size += btrfs_calc_trans_metadata_size(fs_info, csum_leaves); + /* + * For qgroup rsv, the calculation is very simple: + * account one nodesize for each outstanding extent + * + * This is overestimating in most cases. + */ + qgroup_rsv_size = outstanding_extents * fs_info->nodesize; spin_lock(&block_rsv->lock); block_rsv->size = reserve_size; + block_rsv->qgroup_rsv_size = qgroup_rsv_size; spin_unlock(&block_rsv->lock); } @@ -8403,7 +8444,7 @@ static void unuse_block_rsv(struct btrfs_fs_info *fs_info, struct btrfs_block_rsv *block_rsv, u32 blocksize) { block_rsv_add_bytes(block_rsv, blocksize, 0); - block_rsv_release_bytes(fs_info, block_rsv, NULL, 0); + block_rsv_release_bytes(fs_info, block_rsv, NULL, 0, NULL); } /* diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 0167a9c97c9c..f660ba1e5e58 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1748,7 +1748,7 @@ again: unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend, &cached_state); btrfs_delalloc_release_extents(BTRFS_I(inode), reserve_bytes, - (ret != 0)); + true); if (ret) { btrfs_drop_pages(pages, num_pages); break; diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index e064c49c9a9a..d241285a0d2a 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -31,6 +31,7 @@ #include <linux/uio.h> #include <linux/magic.h> #include <linux/iversion.h> +#include <asm/unaligned.h> #include "ctree.h" #include "disk-io.h" #include "transaction.h" @@ -5905,11 +5906,13 @@ static int btrfs_filldir(void *addr, int entries, struct dir_context *ctx) struct dir_entry *entry = addr; char *name = (char *)(entry + 1); - ctx->pos = entry->offset; - if (!dir_emit(ctx, name, entry->name_len, entry->ino, - entry->type)) + ctx->pos = get_unaligned(&entry->offset); + if (!dir_emit(ctx, name, get_unaligned(&entry->name_len), + get_unaligned(&entry->ino), + get_unaligned(&entry->type))) return 1; - addr += sizeof(struct dir_entry) + entry->name_len; + addr += sizeof(struct dir_entry) + + get_unaligned(&entry->name_len); ctx->pos++; } return 0; @@ -5999,14 +6002,15 @@ again: } entry = addr; - entry->name_len = name_len; + put_unaligned(name_len, &entry->name_len); name_ptr = (char *)(entry + 1); read_extent_buffer(leaf, name_ptr, (unsigned long)(di + 1), name_len); - entry->type = btrfs_filetype_table[btrfs_dir_type(leaf, di)]; + put_unaligned(btrfs_filetype_table[btrfs_dir_type(leaf, di)], + &entry->type); btrfs_dir_item_key_to_cpu(leaf, di, &location); - entry->ino = location.objectid; - entry->offset = found_key.offset; + put_unaligned(location.objectid, &entry->ino); + put_unaligned(found_key.offset, &entry->offset); entries++; addr += sizeof(struct dir_entry) + name_len; total_len += sizeof(struct dir_entry) + name_len; diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c index 124276bba8cf..21a831d3d087 100644 --- a/fs/btrfs/print-tree.c +++ b/fs/btrfs/print-tree.c @@ -189,9 +189,10 @@ void btrfs_print_leaf(struct extent_buffer *l) fs_info = l->fs_info; nr = btrfs_header_nritems(l); - btrfs_info(fs_info, "leaf %llu total ptrs %d free space %d", - btrfs_header_bytenr(l), nr, - btrfs_leaf_free_space(fs_info, l)); + btrfs_info(fs_info, + "leaf %llu gen %llu total ptrs %d free space %d owner %llu", + btrfs_header_bytenr(l), btrfs_header_generation(l), nr, + btrfs_leaf_free_space(fs_info, l), btrfs_header_owner(l)); for (i = 0 ; i < nr ; i++) { item = btrfs_item_nr(i); btrfs_item_key_to_cpu(l, &key, i); @@ -325,7 +326,7 @@ void btrfs_print_leaf(struct extent_buffer *l) } } -void btrfs_print_tree(struct extent_buffer *c) +void btrfs_print_tree(struct extent_buffer *c, bool follow) { struct btrfs_fs_info *fs_info; int i; u32 nr; @@ -342,15 +343,19 @@ void btrfs_print_tree(struct extent_buffer *c) return; } btrfs_info(fs_info, - "node %llu level %d total ptrs %d free spc %u", - btrfs_header_bytenr(c), level, nr, - (u32)BTRFS_NODEPTRS_PER_BLOCK(fs_info) - nr); + "node %llu level %d gen %llu total ptrs %d free spc %u owner %llu", + btrfs_header_bytenr(c), level, btrfs_header_generation(c), + nr, (u32)BTRFS_NODEPTRS_PER_BLOCK(fs_info) - nr, + btrfs_header_owner(c)); for (i = 0; i < nr; i++) { btrfs_node_key_to_cpu(c, &key, i); - pr_info("\tkey %d (%llu %u %llu) block %llu\n", + pr_info("\tkey %d (%llu %u %llu) block %llu gen %llu\n", i, key.objectid, key.type, key.offset, - btrfs_node_blockptr(c, i)); + btrfs_node_blockptr(c, i), + btrfs_node_ptr_generation(c, i)); } + if (!follow) + return; for (i = 0; i < nr; i++) { struct btrfs_key first_key; struct extent_buffer *next; @@ -372,7 +377,7 @@ void btrfs_print_tree(struct extent_buffer *c) if (btrfs_header_level(next) != level - 1) BUG(); - btrfs_print_tree(next); + btrfs_print_tree(next, follow); free_extent_buffer(next); } } diff --git a/fs/btrfs/print-tree.h b/fs/btrfs/print-tree.h index 4a98481688f4..e6bb38fd75ad 100644 --- a/fs/btrfs/print-tree.h +++ b/fs/btrfs/print-tree.h @@ -7,6 +7,6 @@ #define BTRFS_PRINT_TREE_H void btrfs_print_leaf(struct extent_buffer *l); -void btrfs_print_tree(struct extent_buffer *c); +void btrfs_print_tree(struct extent_buffer *c, bool follow); #endif diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 09c7e4fd550f..9fb758d5077a 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -11,6 +11,7 @@ #include <linux/slab.h> #include <linux/workqueue.h> #include <linux/btrfs.h> +#include <linux/sizes.h> #include "ctree.h" #include "transaction.h" @@ -2375,8 +2376,21 @@ out: return ret; } -static bool qgroup_check_limits(const struct btrfs_qgroup *qg, u64 num_bytes) +/* + * Two limits to commit transaction in advance. + * + * For RATIO, it will be 1/RATIO of the remaining limit + * (excluding data and prealloc meta) as threshold. + * For SIZE, it will be in byte unit as threshold. + */ +#define QGROUP_PERTRANS_RATIO 32 +#define QGROUP_PERTRANS_SIZE SZ_32M +static bool qgroup_check_limits(struct btrfs_fs_info *fs_info, + const struct btrfs_qgroup *qg, u64 num_bytes) { + u64 limit; + u64 threshold; + if ((qg->lim_flags & BTRFS_QGROUP_LIMIT_MAX_RFER) && qgroup_rsv_total(qg) + (s64)qg->rfer + num_bytes > qg->max_rfer) return false; @@ -2385,6 +2399,31 @@ static bool qgroup_check_limits(const struct btrfs_qgroup *qg, u64 num_bytes) qgroup_rsv_total(qg) + (s64)qg->excl + num_bytes > qg->max_excl) return false; + /* + * Even if we passed the check, it's better to check if reservation + * for meta_pertrans is pushing us near limit. + * If there is too much pertrans reservation or it's near the limit, + * let's try commit transaction to free some, using transaction_kthread + */ + if ((qg->lim_flags & (BTRFS_QGROUP_LIMIT_MAX_RFER | + BTRFS_QGROUP_LIMIT_MAX_EXCL))) { + if (qg->lim_flags & BTRFS_QGROUP_LIMIT_MAX_EXCL) + limit = qg->max_excl; + else + limit = qg->max_rfer; + threshold = (limit - qg->rsv.values[BTRFS_QGROUP_RSV_DATA] - + qg->rsv.values[BTRFS_QGROUP_RSV_META_PREALLOC]) / + QGROUP_PERTRANS_RATIO; + threshold = min_t(u64, threshold, QGROUP_PERTRANS_SIZE); + + /* + * Use transaction_kthread to commit transaction, so we no + * longer need to bother nested transaction nor lock context. + */ + if (qg->rsv.values[BTRFS_QGROUP_RSV_META_PERTRANS] > threshold) + btrfs_commit_transaction_locksafe(fs_info); + } + return true; } @@ -2434,7 +2473,7 @@ static int qgroup_reserve(struct btrfs_root *root, u64 num_bytes, bool enforce, qg = unode_aux_to_qgroup(unode); - if (enforce && !qgroup_check_limits(qg, num_bytes)) { + if (enforce && !qgroup_check_limits(fs_info, qg, num_bytes)) { ret = -EDQUOT; goto out; } diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 63fdcab64b01..c944b4769e3c 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -2267,6 +2267,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans) */ cur_trans->state = TRANS_STATE_COMPLETED; wake_up(&cur_trans->commit_wait); + clear_bit(BTRFS_FS_NEED_ASYNC_COMMIT, &fs_info->flags); spin_lock(&fs_info->trans_lock); list_del_init(&cur_trans->list); diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h index c88fccd80bc5..d8c0826bc2c7 100644 --- a/fs/btrfs/transaction.h +++ b/fs/btrfs/transaction.h @@ -199,6 +199,20 @@ int btrfs_clean_one_deleted_snapshot(struct btrfs_root *root); int btrfs_commit_transaction(struct btrfs_trans_handle *trans); int btrfs_commit_transaction_async(struct btrfs_trans_handle *trans, int wait_for_unblock); + +/* + * Try to commit transaction asynchronously, so this is safe to call + * even holding a spinlock. + * + * It's done by informing transaction_kthread to commit transaction without + * waiting for commit interval. + */ +static inline void btrfs_commit_transaction_locksafe( + struct btrfs_fs_info *fs_info) +{ + set_bit(BTRFS_FS_NEED_ASYNC_COMMIT, &fs_info->flags); + wake_up_process(fs_info->transaction_kthread); +} int btrfs_end_transaction_throttle(struct btrfs_trans_handle *trans); int btrfs_should_end_transaction(struct btrfs_trans_handle *trans); void btrfs_throttle(struct btrfs_fs_info *fs_info); diff --git a/fs/cifs/cifs_debug.h b/fs/cifs/cifs_debug.h index fe5567655662..0e74690d11bc 100644 --- a/fs/cifs/cifs_debug.h +++ b/fs/cifs/cifs_debug.h @@ -54,7 +54,7 @@ do { \ pr_debug_ ## ratefunc("%s: " \ fmt, __FILE__, ##__VA_ARGS__); \ } else if ((type) & VFS) { \ - pr_err_ ## ratefunc("CuIFS VFS: " \ + pr_err_ ## ratefunc("CIFS VFS: " \ fmt, ##__VA_ARGS__); \ } else if ((type) & NOISY && (NOISY != 0)) { \ pr_debug_ ## ratefunc(fmt, ##__VA_ARGS__); \ diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index 81ba6e0d88d8..925844343038 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -684,6 +684,9 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode, goto mknod_out; } + if (!S_ISCHR(mode) && !S_ISBLK(mode)) + goto mknod_out; + if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL)) goto mknod_out; @@ -692,10 +695,8 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode, buf = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL); if (buf == NULL) { - kfree(full_path); rc = -ENOMEM; - free_xid(xid); - return rc; + goto mknod_out; } if (backup_cred(cifs_sb)) @@ -742,7 +743,7 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode, pdev->minor = cpu_to_le64(MINOR(device_number)); rc = tcon->ses->server->ops->sync_write(xid, &fid, &io_parms, &bytes_written, iov, 1); - } /* else if (S_ISFIFO) */ + } tcon->ses->server->ops->close(xid, tcon, &fid); d_drop(direntry); diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 4bcd4e838b47..23fd430fe74a 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -3462,7 +3462,7 @@ cifs_read(struct file *file, char *read_data, size_t read_size, loff_t *offset) * If the page is mmap'ed into a process' page tables, then we need to make * sure that it doesn't change while being written back. */ -static int +static vm_fault_t cifs_page_mkwrite(struct vm_fault *vmf) { struct page *page = vmf->page; diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index b4ae932ea134..38ebf3f357d2 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -1452,7 +1452,7 @@ smb2_query_symlink(const unsigned int xid, struct cifs_tcon *tcon, struct cifs_open_parms oparms; struct cifs_fid fid; struct kvec err_iov = {NULL, 0}; - struct smb2_err_rsp *err_buf = NULL; + struct smb2_err_rsp *err_buf; struct smb2_symlink_err_rsp *symlink; unsigned int sub_len; unsigned int sub_offset; @@ -1476,7 +1476,7 @@ smb2_query_symlink(const unsigned int xid, struct cifs_tcon *tcon, rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, &err_iov); - if (!rc || !err_buf) { + if (!rc || !err_iov.iov_base) { kfree(utf16_path); return -ENOENT; } diff --git a/fs/cifs/smbdirect.c b/fs/cifs/smbdirect.c index 5008af546dd1..87817ddcc096 100644 --- a/fs/cifs/smbdirect.c +++ b/fs/cifs/smbdirect.c @@ -1028,7 +1028,7 @@ static int smbd_post_send(struct smbd_connection *info, for (i = 0; i < request->num_sge; i++) { log_rdma_send(INFO, "rdma_request sge[%d] addr=%llu length=%u\n", - i, request->sge[0].addr, request->sge[0].length); + i, request->sge[i].addr, request->sge[i].length); ib_dma_sync_single_for_device( info->id->device, request->sge[i].addr, @@ -2139,6 +2139,10 @@ int smbd_send(struct smbd_connection *info, struct smb_rqst *rqst) goto done; } + cifs_dbg(FYI, "Sending smb (RDMA): smb_len=%u\n", buflen); + for (i = 0; i < rqst->rq_nvec-1; i++) + dump_smb(iov[i].iov_base, iov[i].iov_len); + remaining_data_length = buflen; log_write(INFO, "rqst->rq_nvec=%d rqst->rq_npages=%d rq_pagesz=%d " @@ -2194,6 +2198,8 @@ int smbd_send(struct smbd_connection *info, struct smb_rqst *rqst) goto done; } i++; + if (i == rqst->rq_nvec) + break; } start = i; buflen = 0; diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 4b12ba70a895..47d7c151fcba 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -745,11 +745,12 @@ int inode_congested(struct inode *inode, int cong_bits) */ if (inode && inode_to_wb_is_valid(inode)) { struct bdi_writeback *wb; - bool locked, congested; + struct wb_lock_cookie lock_cookie = {}; + bool congested; - wb = unlocked_inode_to_wb_begin(inode, &locked); + wb = unlocked_inode_to_wb_begin(inode, &lock_cookie); congested = wb_congested(wb, cong_bits); - unlocked_inode_to_wb_end(inode, locked); + unlocked_inode_to_wb_end(inode, &lock_cookie); return congested; } diff --git a/fs/proc/base.c b/fs/proc/base.c index eafa39a3a88c..1b2ede6abcdf 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -1693,6 +1693,12 @@ void task_dump_owner(struct task_struct *task, umode_t mode, kuid_t uid; kgid_t gid; + if (unlikely(task->flags & PF_KTHREAD)) { + *ruid = GLOBAL_ROOT_UID; + *rgid = GLOBAL_ROOT_GID; + return; + } + /* Default to the tasks effective ownership */ rcu_read_lock(); cred = __task_cred(task); diff --git a/fs/proc/loadavg.c b/fs/proc/loadavg.c index a000d7547479..b572cc865b92 100644 --- a/fs/proc/loadavg.c +++ b/fs/proc/loadavg.c @@ -24,7 +24,7 @@ static int loadavg_proc_show(struct seq_file *m, void *v) LOAD_INT(avnrun[1]), LOAD_FRAC(avnrun[1]), LOAD_INT(avnrun[2]), LOAD_FRAC(avnrun[2]), nr_running(), nr_threads, - idr_get_cursor(&task_active_pid_ns(current)->idr)); + idr_get_cursor(&task_active_pid_ns(current)->idr) - 1); return 0; } diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 65ae54659833..c486ad4b43f0 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -1310,9 +1310,11 @@ static int pagemap_pmd_range(pmd_t *pmdp, unsigned long addr, unsigned long end, #ifdef CONFIG_ARCH_ENABLE_THP_MIGRATION else if (is_swap_pmd(pmd)) { swp_entry_t entry = pmd_to_swp_entry(pmd); + unsigned long offset = swp_offset(entry); + offset += (addr & ~PMD_MASK) >> PAGE_SHIFT; frame = swp_type(entry) | - (swp_offset(entry) << MAX_SWAPFILES_SHIFT); + (offset << MAX_SWAPFILES_SHIFT); flags |= PM_SWAP; if (pmd_swp_soft_dirty(pmd)) flags |= PM_SOFT_DIRTY; @@ -1332,6 +1334,8 @@ static int pagemap_pmd_range(pmd_t *pmdp, unsigned long addr, unsigned long end, break; if (pm->show_pfn && (flags & PM_PRESENT)) frame++; + else if (flags & PM_SWAP) + frame += (1 << MAX_SWAPFILES_SHIFT); } spin_unlock(ptl); return err; diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h index 562fa7df2637..98e63d870139 100644 --- a/include/drm/drm_hdcp.h +++ b/include/drm/drm_hdcp.h @@ -19,7 +19,7 @@ #define DRM_HDCP_RI_LEN 2 #define DRM_HDCP_V_PRIME_PART_LEN 4 #define DRM_HDCP_V_PRIME_NUM_PARTS 5 -#define DRM_HDCP_NUM_DOWNSTREAM(x) (x & 0x3f) +#define DRM_HDCP_NUM_DOWNSTREAM(x) (x & 0x7f) #define DRM_HDCP_MAX_CASCADE_EXCEEDED(x) (x & BIT(3)) #define DRM_HDCP_MAX_DEVICE_EXCEEDED(x) (x & BIT(7)) diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h index bfe86b54f6c1..0bd432a4d7bd 100644 --- a/include/linux/backing-dev-defs.h +++ b/include/linux/backing-dev-defs.h @@ -223,6 +223,11 @@ static inline void set_bdi_congested(struct backing_dev_info *bdi, int sync) set_wb_congested(bdi->wb.congested, sync); } +struct wb_lock_cookie { + bool locked; + unsigned long flags; +}; + #ifdef CONFIG_CGROUP_WRITEBACK /** diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index f6be4b0b6c18..72ca0f3d39f3 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -347,7 +347,7 @@ static inline struct bdi_writeback *inode_to_wb(const struct inode *inode) /** * unlocked_inode_to_wb_begin - begin unlocked inode wb access transaction * @inode: target inode - * @lockedp: temp bool output param, to be passed to the end function + * @cookie: output param, to be passed to the end function * * The caller wants to access the wb associated with @inode but isn't * holding inode->i_lock, the i_pages lock or wb->list_lock. This @@ -355,12 +355,12 @@ static inline struct bdi_writeback *inode_to_wb(const struct inode *inode) * association doesn't change until the transaction is finished with * unlocked_inode_to_wb_end(). * - * The caller must call unlocked_inode_to_wb_end() with *@lockdep - * afterwards and can't sleep during transaction. IRQ may or may not be - * disabled on return. + * The caller must call unlocked_inode_to_wb_end() with *@cookie afterwards and + * can't sleep during the transaction. IRQs may or may not be disabled on + * return. */ static inline struct bdi_writeback * -unlocked_inode_to_wb_begin(struct inode *inode, bool *lockedp) +unlocked_inode_to_wb_begin(struct inode *inode, struct wb_lock_cookie *cookie) { rcu_read_lock(); @@ -368,10 +368,10 @@ unlocked_inode_to_wb_begin(struct inode *inode, bool *lockedp) * Paired with store_release in inode_switch_wb_work_fn() and * ensures that we see the new wb if we see cleared I_WB_SWITCH. */ - *lockedp = smp_load_acquire(&inode->i_state) & I_WB_SWITCH; + cookie->locked = smp_load_acquire(&inode->i_state) & I_WB_SWITCH; - if (unlikely(*lockedp)) - xa_lock_irq(&inode->i_mapping->i_pages); + if (unlikely(cookie->locked)) + xa_lock_irqsave(&inode->i_mapping->i_pages, cookie->flags); /* * Protected by either !I_WB_SWITCH + rcu_read_lock() or the i_pages @@ -383,12 +383,13 @@ unlocked_inode_to_wb_begin(struct inode *inode, bool *lockedp) /** * unlocked_inode_to_wb_end - end inode wb access transaction * @inode: target inode - * @locked: *@lockedp from unlocked_inode_to_wb_begin() + * @cookie: @cookie from unlocked_inode_to_wb_begin() */ -static inline void unlocked_inode_to_wb_end(struct inode *inode, bool locked) +static inline void unlocked_inode_to_wb_end(struct inode *inode, + struct wb_lock_cookie *cookie) { - if (unlikely(locked)) - xa_unlock_irq(&inode->i_mapping->i_pages); + if (unlikely(cookie->locked)) + xa_unlock_irqrestore(&inode->i_mapping->i_pages, cookie->flags); rcu_read_unlock(); } @@ -435,12 +436,13 @@ static inline struct bdi_writeback *inode_to_wb(struct inode *inode) } static inline struct bdi_writeback * -unlocked_inode_to_wb_begin(struct inode *inode, bool *lockedp) +unlocked_inode_to_wb_begin(struct inode *inode, struct wb_lock_cookie *cookie) { return inode_to_wb(inode); } -static inline void unlocked_inode_to_wb_end(struct inode *inode, bool locked) +static inline void unlocked_inode_to_wb_end(struct inode *inode, + struct wb_lock_cookie *cookie) { } diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h index ceb96ecab96e..7d98e263e048 100644 --- a/include/linux/compiler-clang.h +++ b/include/linux/compiler-clang.h @@ -25,6 +25,9 @@ #define __SANITIZE_ADDRESS__ #endif +#undef __no_sanitize_address +#define __no_sanitize_address __attribute__((no_sanitize("address"))) + /* Clang doesn't have a way to turn it off per-function, yet. */ #ifdef __noretpoline #undef __noretpoline diff --git a/include/linux/coresight-pmu.h b/include/linux/coresight-pmu.h index edfeaba95429..a1a959ba24ff 100644 --- a/include/linux/coresight-pmu.h +++ b/include/linux/coresight-pmu.h @@ -1,18 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright(C) 2015 Linaro Limited. All rights reserved. * Author: Mathieu Poirier <mathieu.poirier@linaro.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef _LINUX_CORESIGHT_PMU_H diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h index 34f053a150a9..cf2862bd134a 100644 --- a/include/linux/thread_info.h +++ b/include/linux/thread_info.h @@ -43,11 +43,7 @@ enum { #define THREAD_ALIGN THREAD_SIZE #endif -#if IS_ENABLED(CONFIG_DEBUG_STACK_USAGE) || IS_ENABLED(CONFIG_DEBUG_KMEMLEAK) -# define THREADINFO_GFP (GFP_KERNEL_ACCOUNT | __GFP_ZERO) -#else -# define THREADINFO_GFP (GFP_KERNEL_ACCOUNT) -#endif +#define THREADINFO_GFP (GFP_KERNEL_ACCOUNT | __GFP_ZERO) /* * flag set/clear/test wrappers diff --git a/include/linux/timekeeping32.h b/include/linux/timekeeping32.h index af4114d5dc17..3616b4becb59 100644 --- a/include/linux/timekeeping32.h +++ b/include/linux/timekeeping32.h @@ -9,9 +9,6 @@ extern void do_gettimeofday(struct timeval *tv); unsigned long get_seconds(void); -/* does not take xtime_lock */ -struct timespec __current_kernel_time(void); - static inline struct timespec current_kernel_time(void) { struct timespec64 now = current_kernel_time64(); diff --git a/include/linux/timer.h b/include/linux/timer.h index 2448f9cc48a3..7b066fd38248 100644 --- a/include/linux/timer.h +++ b/include/linux/timer.h @@ -8,8 +8,6 @@ #include <linux/debugobjects.h> #include <linux/stringify.h> -struct tvec_base; - struct timer_list { /* * All fields that change during normal runtime grouped to the diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h index 912b85b52344..b8e288a1f740 100644 --- a/include/uapi/linux/perf_event.h +++ b/include/uapi/linux/perf_event.h @@ -650,11 +650,23 @@ struct perf_event_mmap_page { #define PERF_RECORD_MISC_COMM_EXEC (1 << 13) #define PERF_RECORD_MISC_SWITCH_OUT (1 << 13) /* - * Indicates that the content of PERF_SAMPLE_IP points to - * the actual instruction that triggered the event. See also - * perf_event_attr::precise_ip. + * These PERF_RECORD_MISC_* flags below are safely reused + * for the following events: + * + * PERF_RECORD_MISC_EXACT_IP - PERF_RECORD_SAMPLE of precise events + * PERF_RECORD_MISC_SWITCH_OUT_PREEMPT - PERF_RECORD_SWITCH* events + * + * + * PERF_RECORD_MISC_EXACT_IP: + * Indicates that the content of PERF_SAMPLE_IP points to + * the actual instruction that triggered the event. See also + * perf_event_attr::precise_ip. + * + * PERF_RECORD_MISC_SWITCH_OUT_PREEMPT: + * Indicates that thread was preempted in TASK_RUNNING state. */ #define PERF_RECORD_MISC_EXACT_IP (1 << 14) +#define PERF_RECORD_MISC_SWITCH_OUT_PREEMPT (1 << 14) /* * Reserve the last bit to indicate some extended misc field */ diff --git a/include/uapi/linux/random.h b/include/uapi/linux/random.h index c34f4490d025..26ee91300e3e 100644 --- a/include/uapi/linux/random.h +++ b/include/uapi/linux/random.h @@ -35,6 +35,9 @@ /* Clear the entropy pool and associated counters. (Superuser only.) */ #define RNDCLEARPOOL _IO( 'R', 0x06 ) +/* Reseed CRNG. (Superuser only.) */ +#define RNDRESEEDCRNG _IO( 'R', 0x07 ) + struct rand_pool_info { int entropy_count; int buf_size; diff --git a/kernel/events/callchain.c b/kernel/events/callchain.c index 772a43fea825..c187aa3df3c8 100644 --- a/kernel/events/callchain.c +++ b/kernel/events/callchain.c @@ -119,23 +119,20 @@ int get_callchain_buffers(int event_max_stack) goto exit; } - if (count > 1) { - /* If the allocation failed, give up */ - if (!callchain_cpus_entries) - err = -ENOMEM; - /* - * If requesting per event more than the global cap, - * return a different error to help userspace figure - * this out. - * - * And also do it here so that we have &callchain_mutex held. - */ - if (event_max_stack > sysctl_perf_event_max_stack) - err = -EOVERFLOW; + /* + * If requesting per event more than the global cap, + * return a different error to help userspace figure + * this out. + * + * And also do it here so that we have &callchain_mutex held. + */ + if (event_max_stack > sysctl_perf_event_max_stack) { + err = -EOVERFLOW; goto exit; } - err = alloc_callchain_buffers(); + if (count == 1) + err = alloc_callchain_buffers(); exit: if (err) atomic_dec(&nr_callchain_events); diff --git a/kernel/events/core.c b/kernel/events/core.c index 2d5fe26551f8..67612ce359ad 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -7587,6 +7587,10 @@ static void perf_event_switch(struct task_struct *task, }, }; + if (!sched_in && task->state == TASK_RUNNING) + switch_event.event_id.header.misc |= + PERF_RECORD_MISC_SWITCH_OUT_PREEMPT; + perf_iterate_sb(perf_event_switch_output, &switch_event, NULL); @@ -10205,9 +10209,9 @@ static int perf_copy_attr(struct perf_event_attr __user *uattr, * __u16 sample size limit. */ if (attr->sample_stack_user >= USHRT_MAX) - ret = -EINVAL; + return -EINVAL; else if (!IS_ALIGNED(attr->sample_stack_user, sizeof(u64))) - ret = -EINVAL; + return -EINVAL; } if (!attr->sample_max_stack) diff --git a/kernel/fork.c b/kernel/fork.c index 242c8c93d285..a5d21c42acfc 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -216,10 +216,9 @@ static unsigned long *alloc_thread_stack_node(struct task_struct *tsk, int node) if (!s) continue; -#ifdef CONFIG_DEBUG_KMEMLEAK /* Clear stale pointers from reused stack. */ memset(s->addr, 0, THREAD_SIZE); -#endif + tsk->stack_vm_area = s; return s->addr; } diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c index 2541bd89f20e..5a6251ac6f7a 100644 --- a/kernel/time/posix-cpu-timers.c +++ b/kernel/time/posix-cpu-timers.c @@ -1205,10 +1205,12 @@ void set_process_cpu_timer(struct task_struct *tsk, unsigned int clock_idx, u64 *newval, u64 *oldval) { u64 now; + int ret; WARN_ON_ONCE(clock_idx == CPUCLOCK_SCHED); + ret = cpu_timer_sample_group(clock_idx, tsk, &now); - if (oldval && cpu_timer_sample_group(clock_idx, tsk, &now) != -EINVAL) { + if (oldval && ret != -EINVAL) { /* * We are setting itimer. The *oldval is absolute and we update * it to be relative, *newval argument is relative and we update diff --git a/kernel/time/tick-oneshot.c b/kernel/time/tick-oneshot.c index c1f518e7aa80..6fe615d57ebb 100644 --- a/kernel/time/tick-oneshot.c +++ b/kernel/time/tick-oneshot.c @@ -82,16 +82,15 @@ int tick_switch_to_oneshot(void (*handler)(struct clock_event_device *)) if (!dev || !(dev->features & CLOCK_EVT_FEAT_ONESHOT) || !tick_device_is_functional(dev)) { - printk(KERN_INFO "Clockevents: " - "could not switch to one-shot mode:"); + pr_info("Clockevents: could not switch to one-shot mode:"); if (!dev) { - printk(" no tick device\n"); + pr_cont(" no tick device\n"); } else { if (!tick_device_is_functional(dev)) - printk(" %s is not functional.\n", dev->name); + pr_cont(" %s is not functional.\n", dev->name); else - printk(" %s does not support one-shot mode.\n", - dev->name); + pr_cont(" %s does not support one-shot mode.\n", + dev->name); } return -EINVAL; } diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index ca90219a1e73..dcf7f20fcd12 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -2139,13 +2139,6 @@ unsigned long get_seconds(void) } EXPORT_SYMBOL(get_seconds); -struct timespec __current_kernel_time(void) -{ - struct timekeeper *tk = &tk_core.timekeeper; - - return timespec64_to_timespec(tk_xtime(tk)); -} - struct timespec64 current_kernel_time64(void) { struct timekeeper *tk = &tk_core.timekeeper; diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 1cd3fb4d70f8..02aed76e0978 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -512,8 +512,6 @@ static int __register_trace_kprobe(struct trace_kprobe *tk) if (ret == 0) tk->tp.flags |= TP_FLAG_REGISTERED; else { - pr_warn("Could not insert probe at %s+%lu: %d\n", - trace_kprobe_symbol(tk), trace_kprobe_offset(tk), ret); if (ret == -ENOENT && trace_kprobe_is_on_module(tk)) { pr_warn("This probe might be able to register after target module is loaded. Continue.\n"); ret = 0; diff --git a/mm/filemap.c b/mm/filemap.c index 9276bdb2343c..0604cb02e6f3 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -786,7 +786,7 @@ int replace_page_cache_page(struct page *old, struct page *new, gfp_t gfp_mask) VM_BUG_ON_PAGE(!PageLocked(new), new); VM_BUG_ON_PAGE(new->mapping, new); - error = radix_tree_preload(gfp_mask & ~__GFP_HIGHMEM); + error = radix_tree_preload(gfp_mask & GFP_RECLAIM_MASK); if (!error) { struct address_space *mapping = old->mapping; void (*freepage)(struct page *); @@ -842,7 +842,7 @@ static int __add_to_page_cache_locked(struct page *page, return error; } - error = radix_tree_maybe_preload(gfp_mask & ~__GFP_HIGHMEM); + error = radix_tree_maybe_preload(gfp_mask & GFP_RECLAIM_MASK); if (error) { if (!huge) mem_cgroup_cancel_charge(page, memcg, false); @@ -1585,8 +1585,7 @@ no_page: if (fgp_flags & FGP_ACCESSED) __SetPageReferenced(page); - err = add_to_page_cache_lru(page, mapping, offset, - gfp_mask & GFP_RECLAIM_MASK); + err = add_to_page_cache_lru(page, mapping, offset, gfp_mask); if (unlikely(err)) { put_page(page); page = NULL; @@ -2387,7 +2386,7 @@ static int page_cache_read(struct file *file, pgoff_t offset, gfp_t gfp_mask) if (!page) return -ENOMEM; - ret = add_to_page_cache_lru(page, mapping, offset, gfp_mask & GFP_KERNEL); + ret = add_to_page_cache_lru(page, mapping, offset, gfp_mask); if (ret == 0) ret = mapping->a_ops->readpage(file, page); else if (ret == -EEXIST) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 14ed6ee5e02f..a3a1815f8e11 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2925,7 +2925,10 @@ void remove_migration_pmd(struct page_vma_mapped_walk *pvmw, struct page *new) pmde = maybe_pmd_mkwrite(pmde, vma); flush_cache_range(vma, mmun_start, mmun_start + HPAGE_PMD_SIZE); - page_add_anon_rmap(new, vma, mmun_start, true); + if (PageAnon(new)) + page_add_anon_rmap(new, vma, mmun_start, true); + else + page_add_file_rmap(new, true); set_pmd_at(mm, mmun_start, pvmw->pmd, pmde); if (vma->vm_flags & VM_LOCKED) mlock_vma_page(new); diff --git a/mm/memcontrol.c b/mm/memcontrol.c index e074f7c637aa..2bd3df3d101a 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -2192,7 +2192,7 @@ static void __memcg_schedule_kmem_cache_create(struct mem_cgroup *memcg, { struct memcg_kmem_cache_create_work *cw; - cw = kmalloc(sizeof(*cw), GFP_NOWAIT); + cw = kmalloc(sizeof(*cw), GFP_NOWAIT | __GFP_NOWARN); if (!cw) return; diff --git a/mm/migrate.c b/mm/migrate.c index f65dd69e1fd1..568433023831 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -472,7 +472,7 @@ int migrate_page_move_mapping(struct address_space *mapping, pslot = radix_tree_lookup_slot(&mapping->i_pages, page_index(page)); - expected_count += 1 + page_has_private(page); + expected_count += hpage_nr_pages(page) + page_has_private(page); if (page_count(page) != expected_count || radix_tree_deref_slot_protected(pslot, &mapping->i_pages.xa_lock) != page) { @@ -505,7 +505,7 @@ int migrate_page_move_mapping(struct address_space *mapping, */ newpage->index = page->index; newpage->mapping = page->mapping; - get_page(newpage); /* add cache reference */ + page_ref_add(newpage, hpage_nr_pages(page)); /* add cache reference */ if (PageSwapBacked(page)) { __SetPageSwapBacked(newpage); if (PageSwapCache(page)) { @@ -524,13 +524,26 @@ int migrate_page_move_mapping(struct address_space *mapping, } radix_tree_replace_slot(&mapping->i_pages, pslot, newpage); + if (PageTransHuge(page)) { + int i; + int index = page_index(page); + + for (i = 0; i < HPAGE_PMD_NR; i++) { + pslot = radix_tree_lookup_slot(&mapping->i_pages, + index + i); + radix_tree_replace_slot(&mapping->i_pages, pslot, + newpage + i); + } + } else { + radix_tree_replace_slot(&mapping->i_pages, pslot, newpage); + } /* * Drop cache reference from old page by unfreezing * to one less reference. * We know this isn't the last reference. */ - page_ref_unfreeze(page, expected_count - 1); + page_ref_unfreeze(page, expected_count - hpage_nr_pages(page)); xa_unlock(&mapping->i_pages); /* Leave irq disabled to prevent preemption while updating stats */ @@ -1622,6 +1635,9 @@ static int do_pages_move(struct mm_struct *mm, nodemask_t task_nodes, current_node = NUMA_NO_NODE; } out_flush: + if (list_empty(&pagelist)) + return err; + /* Make sure we do not overwrite the existing error */ err1 = do_move_pages_to_node(mm, &pagelist, current_node); if (!err1) diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 5c1a3279e63f..337c6afb3345 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -2502,13 +2502,13 @@ void account_page_redirty(struct page *page) if (mapping && mapping_cap_account_dirty(mapping)) { struct inode *inode = mapping->host; struct bdi_writeback *wb; - bool locked; + struct wb_lock_cookie cookie = {}; - wb = unlocked_inode_to_wb_begin(inode, &locked); + wb = unlocked_inode_to_wb_begin(inode, &cookie); current->nr_dirtied--; dec_node_page_state(page, NR_DIRTIED); dec_wb_stat(wb, WB_DIRTIED); - unlocked_inode_to_wb_end(inode, locked); + unlocked_inode_to_wb_end(inode, &cookie); } } EXPORT_SYMBOL(account_page_redirty); @@ -2614,15 +2614,15 @@ void __cancel_dirty_page(struct page *page) if (mapping_cap_account_dirty(mapping)) { struct inode *inode = mapping->host; struct bdi_writeback *wb; - bool locked; + struct wb_lock_cookie cookie = {}; lock_page_memcg(page); - wb = unlocked_inode_to_wb_begin(inode, &locked); + wb = unlocked_inode_to_wb_begin(inode, &cookie); if (TestClearPageDirty(page)) account_page_cleaned(page, mapping, wb); - unlocked_inode_to_wb_end(inode, locked); + unlocked_inode_to_wb_end(inode, &cookie); unlock_page_memcg(page); } else { ClearPageDirty(page); @@ -2654,7 +2654,7 @@ int clear_page_dirty_for_io(struct page *page) if (mapping && mapping_cap_account_dirty(mapping)) { struct inode *inode = mapping->host; struct bdi_writeback *wb; - bool locked; + struct wb_lock_cookie cookie = {}; /* * Yes, Virginia, this is indeed insane. @@ -2691,14 +2691,14 @@ int clear_page_dirty_for_io(struct page *page) * always locked coming in here, so we get the desired * exclusion. */ - wb = unlocked_inode_to_wb_begin(inode, &locked); + wb = unlocked_inode_to_wb_begin(inode, &cookie); if (TestClearPageDirty(page)) { dec_lruvec_page_state(page, NR_FILE_DIRTY); dec_zone_page_state(page, NR_ZONE_WRITE_PENDING); dec_wb_stat(wb, WB_RECLAIMABLE); ret = 1; } - unlocked_inode_to_wb_end(inode, locked); + unlocked_inode_to_wb_end(inode, &cookie); return ret; } return TestClearPageDirty(page); diff --git a/mm/rmap.c b/mm/rmap.c index f0dd4e4565bc..8d5337fed37b 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1374,9 +1374,6 @@ static bool try_to_unmap_one(struct page *page, struct vm_area_struct *vma, if (!pvmw.pte && (flags & TTU_MIGRATION)) { VM_BUG_ON_PAGE(PageHuge(page) || !PageTransCompound(page), page); - if (!PageAnon(page)) - continue; - set_pmd_migration_entry(&pvmw, page); continue; } diff --git a/sound/core/rawmidi_compat.c b/sound/core/rawmidi_compat.c index f69764d7cdd7..e30e30ba6e39 100644 --- a/sound/core/rawmidi_compat.c +++ b/sound/core/rawmidi_compat.c @@ -36,8 +36,6 @@ static int snd_rawmidi_ioctl_params_compat(struct snd_rawmidi_file *rfile, struct snd_rawmidi_params params; unsigned int val; - if (rfile->output == NULL) - return -EINVAL; if (get_user(params.stream, &src->stream) || get_user(params.buffer_size, &src->buffer_size) || get_user(params.avail_min, &src->avail_min) || @@ -46,8 +44,12 @@ static int snd_rawmidi_ioctl_params_compat(struct snd_rawmidi_file *rfile, params.no_active_sensing = val; switch (params.stream) { case SNDRV_RAWMIDI_STREAM_OUTPUT: + if (!rfile->output) + return -EINVAL; return snd_rawmidi_output_params(rfile->output, ¶ms); case SNDRV_RAWMIDI_STREAM_INPUT: + if (!rfile->input) + return -EINVAL; return snd_rawmidi_input_params(rfile->input, ¶ms); } return -EINVAL; @@ -67,16 +69,18 @@ static int snd_rawmidi_ioctl_status_compat(struct snd_rawmidi_file *rfile, int err; struct snd_rawmidi_status status; - if (rfile->output == NULL) - return -EINVAL; if (get_user(status.stream, &src->stream)) return -EFAULT; switch (status.stream) { case SNDRV_RAWMIDI_STREAM_OUTPUT: + if (!rfile->output) + return -EINVAL; err = snd_rawmidi_output_status(rfile->output, &status); break; case SNDRV_RAWMIDI_STREAM_INPUT: + if (!rfile->input) + return -EINVAL; err = snd_rawmidi_input_status(rfile->input, &status); break; default: @@ -112,16 +116,18 @@ static int snd_rawmidi_ioctl_status_x32(struct snd_rawmidi_file *rfile, int err; struct snd_rawmidi_status status; - if (rfile->output == NULL) - return -EINVAL; if (get_user(status.stream, &src->stream)) return -EFAULT; switch (status.stream) { case SNDRV_RAWMIDI_STREAM_OUTPUT: + if (!rfile->output) + return -EINVAL; err = snd_rawmidi_output_status(rfile->output, &status); break; case SNDRV_RAWMIDI_STREAM_INPUT: + if (!rfile->input) + return -EINVAL; err = snd_rawmidi_input_status(rfile->input, &status); break; default: diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 7a111a1b5836..b0c8c79848a9 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1647,7 +1647,8 @@ static void azx_check_snoop_available(struct azx *chip) */ u8 val; pci_read_config_byte(chip->pci, 0x42, &val); - if (!(val & 0x80) && chip->pci->revision == 0x30) + if (!(val & 0x80) && (chip->pci->revision == 0x30 || + chip->pci->revision == 0x20)) snoop = false; } diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index aef1f52db7d9..fc77bf7a1544 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -6370,6 +6370,8 @@ static const struct hda_fixup alc269_fixups[] = { { 0x19, 0x01a1913c }, /* use as headset mic, without its own jack detect */ { } }, + .chained = true, + .chain_id = ALC269_FIXUP_HEADSET_MIC }, }; @@ -6573,6 +6575,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x30bb, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY), SND_PCI_QUIRK(0x17aa, 0x30e2, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY), SND_PCI_QUIRK(0x17aa, 0x310c, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION), + SND_PCI_QUIRK(0x17aa, 0x3138, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION), SND_PCI_QUIRK(0x17aa, 0x313c, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION), SND_PCI_QUIRK(0x17aa, 0x3112, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY), SND_PCI_QUIRK(0x17aa, 0x3902, "Lenovo E50-80", ALC269_FIXUP_DMIC_THINKPAD_ACPI), diff --git a/sound/usb/line6/midi.c b/sound/usb/line6/midi.c index 6d7cde56a355..e2cf55c53ea8 100644 --- a/sound/usb/line6/midi.c +++ b/sound/usb/line6/midi.c @@ -125,7 +125,7 @@ static int send_midi_async(struct usb_line6 *line6, unsigned char *data, } usb_fill_int_urb(urb, line6->usbdev, - usb_sndbulkpipe(line6->usbdev, + usb_sndintpipe(line6->usbdev, line6->properties->ep_ctrl_w), transfer_buffer, length, midi_sent, line6, line6->interval); diff --git a/tools/arch/arm/include/uapi/asm/kvm.h b/tools/arch/arm/include/uapi/asm/kvm.h index 6edd177bb1c7..2ba95d6fe852 100644 --- a/tools/arch/arm/include/uapi/asm/kvm.h +++ b/tools/arch/arm/include/uapi/asm/kvm.h @@ -135,6 +135,15 @@ struct kvm_arch_memory_slot { #define KVM_REG_ARM_CRM_SHIFT 7 #define KVM_REG_ARM_32_CRN_MASK 0x0000000000007800 #define KVM_REG_ARM_32_CRN_SHIFT 11 +/* + * For KVM currently all guest registers are nonsecure, but we reserve a bit + * in the encoding to distinguish secure from nonsecure for AArch32 system + * registers that are banked by security. This is 1 for the secure banked + * register, and 0 for the nonsecure banked register or if the register is + * not banked by security. + */ +#define KVM_REG_ARM_SECURE_MASK 0x0000000010000000 +#define KVM_REG_ARM_SECURE_SHIFT 28 #define ARM_CP15_REG_SHIFT_MASK(x,n) \ (((x) << KVM_REG_ARM_ ## n ## _SHIFT) & KVM_REG_ARM_ ## n ## _MASK) diff --git a/tools/arch/x86/include/asm/required-features.h b/tools/arch/x86/include/asm/required-features.h index fb3a6de7440b..6847d85400a8 100644 --- a/tools/arch/x86/include/asm/required-features.h +++ b/tools/arch/x86/include/asm/required-features.h @@ -53,12 +53,6 @@ # define NEED_MOVBE 0 #endif -#ifdef CONFIG_X86_5LEVEL -# define NEED_LA57 (1<<(X86_FEATURE_LA57 & 31)) -#else -# define NEED_LA57 0 -#endif - #ifdef CONFIG_X86_64 #ifdef CONFIG_PARAVIRT /* Paravirtualized systems may not have PSE or PGE available */ @@ -104,7 +98,7 @@ #define REQUIRED_MASK13 0 #define REQUIRED_MASK14 0 #define REQUIRED_MASK15 0 -#define REQUIRED_MASK16 (NEED_LA57) +#define REQUIRED_MASK16 0 #define REQUIRED_MASK17 0 #define REQUIRED_MASK18 0 #define REQUIRED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 19) diff --git a/tools/arch/x86/include/uapi/asm/kvm.h b/tools/arch/x86/include/uapi/asm/kvm.h index f3a960488eae..c535c2fdea13 100644 --- a/tools/arch/x86/include/uapi/asm/kvm.h +++ b/tools/arch/x86/include/uapi/asm/kvm.h @@ -354,8 +354,25 @@ struct kvm_xcrs { __u64 padding[16]; }; -/* definition of registers in kvm_run */ +#define KVM_SYNC_X86_REGS (1UL << 0) +#define KVM_SYNC_X86_SREGS (1UL << 1) +#define KVM_SYNC_X86_EVENTS (1UL << 2) + +#define KVM_SYNC_X86_VALID_FIELDS \ + (KVM_SYNC_X86_REGS| \ + KVM_SYNC_X86_SREGS| \ + KVM_SYNC_X86_EVENTS) + +/* kvm_sync_regs struct included by kvm_run struct */ struct kvm_sync_regs { + /* Members of this structure are potentially malicious. + * Care must be taken by code reading, esp. interpreting, + * data fields from them inside KVM to prevent TOCTOU and + * double-fetch types of vulnerabilities. + */ + struct kvm_regs regs; + struct kvm_sregs sregs; + struct kvm_vcpu_events events; }; #define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0) diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h index 04e32f965ad7..1827c2f973f9 100644 --- a/tools/include/linux/compiler.h +++ b/tools/include/linux/compiler.h @@ -151,11 +151,21 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s * required ordering. */ -#define READ_ONCE(x) \ - ({ union { typeof(x) __val; char __c[1]; } __u; __read_once_size(&(x), __u.__c, sizeof(x)); __u.__val; }) - -#define WRITE_ONCE(x, val) \ - ({ union { typeof(x) __val; char __c[1]; } __u = { .__val = (val) }; __write_once_size(&(x), __u.__c, sizeof(x)); __u.__val; }) +#define READ_ONCE(x) \ +({ \ + union { typeof(x) __val; char __c[1]; } __u = \ + { .__c = { 0 } }; \ + __read_once_size(&(x), __u.__c, sizeof(x)); \ + __u.__val; \ +}) + +#define WRITE_ONCE(x, val) \ +({ \ + union { typeof(x) __val; char __c[1]; } __u = \ + { .__val = (val) }; \ + __write_once_size(&(x), __u.__c, sizeof(x)); \ + __u.__val; \ +}) #ifndef __fallthrough diff --git a/tools/include/linux/coresight-pmu.h b/tools/include/linux/coresight-pmu.h index edfeaba95429..a1a959ba24ff 100644 --- a/tools/include/linux/coresight-pmu.h +++ b/tools/include/linux/coresight-pmu.h @@ -1,18 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright(C) 2015 Linaro Limited. All rights reserved. * Author: Mathieu Poirier <mathieu.poirier@linaro.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef _LINUX_CORESIGHT_PMU_H diff --git a/tools/include/uapi/asm-generic/mman-common.h b/tools/include/uapi/asm-generic/mman-common.h index f8b134f5608f..e7ee32861d51 100644 --- a/tools/include/uapi/asm-generic/mman-common.h +++ b/tools/include/uapi/asm-generic/mman-common.h @@ -27,6 +27,9 @@ # define MAP_UNINITIALIZED 0x0 /* Don't support this flag */ #endif +/* 0x0100 - 0x80000 flags are defined in asm-generic/mman.h */ +#define MAP_FIXED_NOREPLACE 0x100000 /* MAP_FIXED which doesn't unmap underlying mapping */ + /* * Flags for mlock */ diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index 9d07465023a2..c5ec89732a8d 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -864,6 +864,7 @@ enum bpf_func_id { /* BPF_FUNC_skb_set_tunnel_key flags. */ #define BPF_F_ZERO_CSUM_TX (1ULL << 1) #define BPF_F_DONT_FRAGMENT (1ULL << 2) +#define BPF_F_SEQ_NUMBER (1ULL << 3) /* BPF_FUNC_perf_event_output, BPF_FUNC_perf_event_read and * BPF_FUNC_perf_event_read_value flags. diff --git a/tools/include/uapi/linux/if_link.h b/tools/include/uapi/linux/if_link.h index 6d9447700e18..68699f654118 100644 --- a/tools/include/uapi/linux/if_link.h +++ b/tools/include/uapi/linux/if_link.h @@ -941,4 +941,43 @@ enum { IFLA_EVENT_BONDING_OPTIONS, /* change in bonding options */ }; +/* tun section */ + +enum { + IFLA_TUN_UNSPEC, + IFLA_TUN_OWNER, + IFLA_TUN_GROUP, + IFLA_TUN_TYPE, + IFLA_TUN_PI, + IFLA_TUN_VNET_HDR, + IFLA_TUN_PERSIST, + IFLA_TUN_MULTI_QUEUE, + IFLA_TUN_NUM_QUEUES, + IFLA_TUN_NUM_DISABLED_QUEUES, + __IFLA_TUN_MAX, +}; + +#define IFLA_TUN_MAX (__IFLA_TUN_MAX - 1) + +/* rmnet section */ + +#define RMNET_FLAGS_INGRESS_DEAGGREGATION (1U << 0) +#define RMNET_FLAGS_INGRESS_MAP_COMMANDS (1U << 1) +#define RMNET_FLAGS_INGRESS_MAP_CKSUMV4 (1U << 2) +#define RMNET_FLAGS_EGRESS_MAP_CKSUMV4 (1U << 3) + +enum { + IFLA_RMNET_UNSPEC, + IFLA_RMNET_MUX_ID, + IFLA_RMNET_FLAGS, + __IFLA_RMNET_MAX, +}; + +#define IFLA_RMNET_MAX (__IFLA_RMNET_MAX - 1) + +struct ifla_rmnet_flags { + __u32 flags; + __u32 mask; +}; + #endif /* _UAPI_LINUX_IF_LINK_H */ diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h index 6b89f87db200..1065006c9bf5 100644 --- a/tools/include/uapi/linux/kvm.h +++ b/tools/include/uapi/linux/kvm.h @@ -396,6 +396,10 @@ struct kvm_run { char padding[256]; }; + /* 2048 is the size of the char array used to bound/pad the size + * of the union that holds sync regs. + */ + #define SYNC_REGS_SIZE_BYTES 2048 /* * shared registers between kvm and userspace. * kvm_valid_regs specifies the register classes set by the host @@ -407,7 +411,7 @@ struct kvm_run { __u64 kvm_dirty_regs; union { struct kvm_sync_regs regs; - char padding[2048]; + char padding[SYNC_REGS_SIZE_BYTES]; } s; }; @@ -936,6 +940,7 @@ struct kvm_ppc_resize_hpt { #define KVM_CAP_PPC_GET_CPU_CHAR 151 #define KVM_CAP_S390_BPB 152 #define KVM_CAP_GET_MSR_FEATURES 153 +#define KVM_CAP_HYPERV_EVENTFD 154 #ifdef KVM_CAP_IRQ_ROUTING @@ -1375,6 +1380,10 @@ struct kvm_enc_region { #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region) #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region) +/* Available with KVM_CAP_HYPERV_EVENTFD */ +#define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd) + + /* Secure Encrypted Virtualization command */ enum sev_cmd_id { /* Guest initialization commands */ @@ -1515,4 +1524,14 @@ struct kvm_assigned_msix_entry { #define KVM_ARM_DEV_EL1_PTIMER (1 << 1) #define KVM_ARM_DEV_PMU (1 << 2) +struct kvm_hyperv_eventfd { + __u32 conn_id; + __s32 fd; + __u32 flags; + __u32 padding[3]; +}; + +#define KVM_HYPERV_CONN_ID_MASK 0x00ffffff +#define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0) + #endif /* __LINUX_KVM_H */ diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h index 912b85b52344..b8e288a1f740 100644 --- a/tools/include/uapi/linux/perf_event.h +++ b/tools/include/uapi/linux/perf_event.h @@ -650,11 +650,23 @@ struct perf_event_mmap_page { #define PERF_RECORD_MISC_COMM_EXEC (1 << 13) #define PERF_RECORD_MISC_SWITCH_OUT (1 << 13) /* - * Indicates that the content of PERF_SAMPLE_IP points to - * the actual instruction that triggered the event. See also - * perf_event_attr::precise_ip. + * These PERF_RECORD_MISC_* flags below are safely reused + * for the following events: + * + * PERF_RECORD_MISC_EXACT_IP - PERF_RECORD_SAMPLE of precise events + * PERF_RECORD_MISC_SWITCH_OUT_PREEMPT - PERF_RECORD_SWITCH* events + * + * + * PERF_RECORD_MISC_EXACT_IP: + * Indicates that the content of PERF_SAMPLE_IP points to + * the actual instruction that triggered the event. See also + * perf_event_attr::precise_ip. + * + * PERF_RECORD_MISC_SWITCH_OUT_PREEMPT: + * Indicates that thread was preempted in TASK_RUNNING state. */ #define PERF_RECORD_MISC_EXACT_IP (1 << 14) +#define PERF_RECORD_MISC_SWITCH_OUT_PREEMPT (1 << 14) /* * Reserve the last bit to indicate some extended misc field */ diff --git a/tools/include/uapi/sound/asound.h b/tools/include/uapi/sound/asound.h index 07d61583fd02..ed0a120d4f08 100644 --- a/tools/include/uapi/sound/asound.h +++ b/tools/include/uapi/sound/asound.h @@ -242,6 +242,7 @@ typedef int __bitwise snd_pcm_format_t; #define SNDRV_PCM_FORMAT_DSD_U16_BE ((__force snd_pcm_format_t) 51) /* DSD, 2-byte samples DSD (x16), big endian */ #define SNDRV_PCM_FORMAT_DSD_U32_BE ((__force snd_pcm_format_t) 52) /* DSD, 4-byte samples DSD (x32), big endian */ #define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_DSD_U32_BE +#define SNDRV_PCM_FORMAT_FIRST SNDRV_PCM_FORMAT_S8 #ifdef SNDRV_LITTLE_ENDIAN #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE diff --git a/tools/lib/subcmd/parse-options.c b/tools/lib/subcmd/parse-options.c index f6a1babcbac4..cb7154eccbdc 100644 --- a/tools/lib/subcmd/parse-options.c +++ b/tools/lib/subcmd/parse-options.c @@ -433,7 +433,7 @@ match: if (ambiguous_option) { fprintf(stderr, - " Error: Ambiguous option: %s (could be --%s%s or --%s%s)", + " Error: Ambiguous option: %s (could be --%s%s or --%s%s)\n", arg, (ambiguous_flags & OPT_UNSET) ? "no-" : "", ambiguous_option->long_name, @@ -458,7 +458,7 @@ static void check_typos(const char *arg, const struct option *options) return; if (strstarts(arg, "no-")) { - fprintf(stderr, " Error: did you mean `--%s` (with two dashes ?)", arg); + fprintf(stderr, " Error: did you mean `--%s` (with two dashes ?)\n", arg); exit(129); } @@ -466,7 +466,7 @@ static void check_typos(const char *arg, const struct option *options) if (!options->long_name) continue; if (strstarts(options->long_name, arg)) { - fprintf(stderr, " Error: did you mean `--%s` (with two dashes ?)", arg); + fprintf(stderr, " Error: did you mean `--%s` (with two dashes ?)\n", arg); exit(129); } } diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile index 8ae824dbfca3..f76d9914686a 100644 --- a/tools/objtool/Makefile +++ b/tools/objtool/Makefile @@ -31,8 +31,8 @@ INCLUDES := -I$(srctree)/tools/include \ -I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \ -I$(srctree)/tools/objtool/arch/$(ARCH)/include WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed -CFLAGS += -Wall -Werror $(WARNINGS) -fomit-frame-pointer -O2 -g $(INCLUDES) -LDFLAGS += -lelf $(LIBSUBCMD) +CFLAGS += -Werror $(WARNINGS) $(HOSTCFLAGS) -g $(INCLUDES) +LDFLAGS += -lelf $(LIBSUBCMD) $(HOSTLDFLAGS) # Allow old libelf to be used: elfshdr := $(shell echo '$(pound)include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | grep elf_getshdr) diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt index 5b4fff3adc4b..32f4a898e3f2 100644 --- a/tools/perf/Documentation/perf-config.txt +++ b/tools/perf/Documentation/perf-config.txt @@ -334,6 +334,11 @@ annotate.*:: 99.93 │ mov %eax,%eax + annotate.offset_level:: + Default is '1', meaning just jump targets will have offsets show right beside + the instruction. When set to '2' 'call' instructions will also have its offsets + shown, 3 or higher will show offsets for all instructions. + hist.*:: hist.percentage:: This option control the way to calculate overhead of filtered entries - diff --git a/tools/perf/Documentation/perf-mem.txt b/tools/perf/Documentation/perf-mem.txt index b0211410969b..8806ed5f3802 100644 --- a/tools/perf/Documentation/perf-mem.txt +++ b/tools/perf/Documentation/perf-mem.txt @@ -67,6 +67,9 @@ OPTIONS --phys-data:: Record/Report sample physical addresses +In addition, for report all perf report options are valid, and for record +all perf record options. + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-report[1] diff --git a/tools/perf/Documentation/perf-sched.txt b/tools/perf/Documentation/perf-sched.txt index bb33601a823b..63f938b887dd 100644 --- a/tools/perf/Documentation/perf-sched.txt +++ b/tools/perf/Documentation/perf-sched.txt @@ -104,8 +104,8 @@ OPTIONS for 'perf sched timehist' kallsyms pathname -g:: ---no-call-graph:: - Do not display call chains if present. +--call-graph:: + Display call chains if present (default on). --max-stack:: Maximum number of functions to display in backtrace, default 5. diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index 36ec0257f8d3..afdafe2110a1 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -228,14 +228,15 @@ OPTIONS For sample events it's possible to display misc field with -F +misc option, following letters are displayed for each bit: - PERF_RECORD_MISC_KERNEL K - PERF_RECORD_MISC_USER U - PERF_RECORD_MISC_HYPERVISOR H - PERF_RECORD_MISC_GUEST_KERNEL G - PERF_RECORD_MISC_GUEST_USER g - PERF_RECORD_MISC_MMAP_DATA* M - PERF_RECORD_MISC_COMM_EXEC E - PERF_RECORD_MISC_SWITCH_OUT S + PERF_RECORD_MISC_KERNEL K + PERF_RECORD_MISC_USER U + PERF_RECORD_MISC_HYPERVISOR H + PERF_RECORD_MISC_GUEST_KERNEL G + PERF_RECORD_MISC_GUEST_USER g + PERF_RECORD_MISC_MMAP_DATA* M + PERF_RECORD_MISC_COMM_EXEC E + PERF_RECORD_MISC_SWITCH_OUT S + PERF_RECORD_MISC_SWITCH_OUT_PREEMPT Sp $ perf script -F +misc ... sched-messaging 1414 K 28690.636582: 4590 cycles ... diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index f15b306be183..e6c3b4e555c2 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -153,7 +153,7 @@ perf stat --repeat 10 --null --sync --pre 'make -s O=defconfig-build/clean' -- m -I msecs:: --interval-print msecs:: -Print count deltas every N milliseconds (minimum: 10ms) +Print count deltas every N milliseconds (minimum: 1ms) The overhead percentage could be high in some cases, for instance with small, sub 100ms intervals. Use with caution. example: 'perf stat -I 1000 -e cycles -a sleep 5' diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index c7abd83a8e19..ae7dc46e8f8a 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -68,7 +68,7 @@ ifeq ($(NO_PERF_REGS),0) endif ifneq ($(NO_SYSCALL_TABLE),1) - CFLAGS += -DHAVE_SYSCALL_TABLE + CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT endif # So far there's only x86 and arm libdw unwind support merged in perf. @@ -847,7 +847,7 @@ ifndef NO_JVMTI ifeq ($(feature-jvmti), 1) $(call detected_var,JDIR) else - $(warning No openjdk development package found, please install JDK package) + $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel) NO_JVMTI := 1 endif endif diff --git a/tools/perf/arch/arm/include/arch-tests.h b/tools/perf/arch/arm/include/arch-tests.h new file mode 100644 index 000000000000..90ec4c8cb880 --- /dev/null +++ b/tools/perf/arch/arm/include/arch-tests.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef ARCH_TESTS_H +#define ARCH_TESTS_H + +#ifdef HAVE_DWARF_UNWIND_SUPPORT +struct thread; +struct perf_sample; +#endif + +extern struct test arch_tests[]; + +#endif diff --git a/tools/perf/arch/arm/tests/Build b/tools/perf/arch/arm/tests/Build index b30eff9bcc83..883c57ff0c08 100644 --- a/tools/perf/arch/arm/tests/Build +++ b/tools/perf/arch/arm/tests/Build @@ -1,2 +1,4 @@ libperf-y += regs_load.o libperf-y += dwarf-unwind.o + +libperf-y += arch-tests.o diff --git a/tools/perf/arch/arm/tests/arch-tests.c b/tools/perf/arch/arm/tests/arch-tests.c new file mode 100644 index 000000000000..5b1543c98022 --- /dev/null +++ b/tools/perf/arch/arm/tests/arch-tests.c @@ -0,0 +1,16 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <string.h> +#include "tests/tests.h" +#include "arch-tests.h" + +struct test arch_tests[] = { +#ifdef HAVE_DWARF_UNWIND_SUPPORT + { + .desc = "DWARF unwind", + .func = test__dwarf_unwind, + }, +#endif + { + .func = NULL, + }, +}; diff --git a/tools/perf/arch/arm/util/auxtrace.c b/tools/perf/arch/arm/util/auxtrace.c index fa639e3e52ac..1ce6bdbda561 100644 --- a/tools/perf/arch/arm/util/auxtrace.c +++ b/tools/perf/arch/arm/util/auxtrace.c @@ -1,18 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright(C) 2015 Linaro Limited. All rights reserved. * Author: Mathieu Poirier <mathieu.poirier@linaro.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #include <stdbool.h> diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c index 5c655ad4621e..2f595cd73da6 100644 --- a/tools/perf/arch/arm/util/cs-etm.c +++ b/tools/perf/arch/arm/util/cs-etm.c @@ -1,18 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright(C) 2015 Linaro Limited. All rights reserved. * Author: Mathieu Poirier <mathieu.poirier@linaro.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #include <api/fs/fs.h> diff --git a/tools/perf/arch/arm/util/cs-etm.h b/tools/perf/arch/arm/util/cs-etm.h index 5256741be549..1a12e64f5127 100644 --- a/tools/perf/arch/arm/util/cs-etm.h +++ b/tools/perf/arch/arm/util/cs-etm.h @@ -1,18 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright(C) 2015 Linaro Limited. All rights reserved. * Author: Mathieu Poirier <mathieu.poirier@linaro.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef INCLUDE__PERF_CS_ETM_H__ diff --git a/tools/perf/arch/arm/util/pmu.c b/tools/perf/arch/arm/util/pmu.c index ac4dffc807b8..e047571e6080 100644 --- a/tools/perf/arch/arm/util/pmu.c +++ b/tools/perf/arch/arm/util/pmu.c @@ -1,18 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright(C) 2015 Linaro Limited. All rights reserved. * Author: Mathieu Poirier <mathieu.poirier@linaro.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #include <string.h> diff --git a/tools/perf/arch/x86/Makefile b/tools/perf/arch/x86/Makefile index d74eaa7aa927..1a38e78117ce 100644 --- a/tools/perf/arch/x86/Makefile +++ b/tools/perf/arch/x86/Makefile @@ -21,7 +21,7 @@ _dummy := $(shell [ -d '$(out)' ] || mkdir -p '$(out)') $(header): $(sys)/syscall_64.tbl $(systbl) @(test -d ../../kernel -a -d ../../tools -a -d ../perf && ( \ (diff -B arch/x86/entry/syscalls/syscall_64.tbl ../../arch/x86/entry/syscalls/syscall_64.tbl >/dev/null) \ - || echo "Warning: Kernel ABI header at 'tools/arch/x86/entry/syscalls/syscall_64.tbl' differs from latest version at 'arch/x86/entry/syscalls/syscall_64.tbl'" >&2 )) || true + || echo "Warning: Kernel ABI header at 'tools/perf/arch/x86/entry/syscalls/syscall_64.tbl' differs from latest version at 'arch/x86/entry/syscalls/syscall_64.tbl'" >&2 )) || true $(Q)$(SHELL) '$(systbl)' $(sys)/syscall_64.tbl 'x86_64' > $@ clean:: diff --git a/tools/perf/arch/x86/annotate/instructions.c b/tools/perf/arch/x86/annotate/instructions.c index 5bd1ba8c0282..44f5aba78210 100644 --- a/tools/perf/arch/x86/annotate/instructions.c +++ b/tools/perf/arch/x86/annotate/instructions.c @@ -1,21 +1,43 @@ // SPDX-License-Identifier: GPL-2.0 static struct ins x86__instructions[] = { + { .name = "adc", .ops = &mov_ops, }, + { .name = "adcb", .ops = &mov_ops, }, + { .name = "adcl", .ops = &mov_ops, }, { .name = "add", .ops = &mov_ops, }, { .name = "addl", .ops = &mov_ops, }, { .name = "addq", .ops = &mov_ops, }, + { .name = "addsd", .ops = &mov_ops, }, { .name = "addw", .ops = &mov_ops, }, { .name = "and", .ops = &mov_ops, }, + { .name = "andb", .ops = &mov_ops, }, + { .name = "andl", .ops = &mov_ops, }, + { .name = "andpd", .ops = &mov_ops, }, + { .name = "andps", .ops = &mov_ops, }, + { .name = "andq", .ops = &mov_ops, }, + { .name = "andw", .ops = &mov_ops, }, + { .name = "bsr", .ops = &mov_ops, }, + { .name = "bt", .ops = &mov_ops, }, + { .name = "btr", .ops = &mov_ops, }, { .name = "bts", .ops = &mov_ops, }, + { .name = "btsq", .ops = &mov_ops, }, { .name = "call", .ops = &call_ops, }, { .name = "callq", .ops = &call_ops, }, + { .name = "cmovbe", .ops = &mov_ops, }, + { .name = "cmove", .ops = &mov_ops, }, + { .name = "cmovae", .ops = &mov_ops, }, { .name = "cmp", .ops = &mov_ops, }, { .name = "cmpb", .ops = &mov_ops, }, { .name = "cmpl", .ops = &mov_ops, }, { .name = "cmpq", .ops = &mov_ops, }, { .name = "cmpw", .ops = &mov_ops, }, { .name = "cmpxch", .ops = &mov_ops, }, + { .name = "cmpxchg", .ops = &mov_ops, }, + { .name = "cs", .ops = &mov_ops, }, { .name = "dec", .ops = &dec_ops, }, { .name = "decl", .ops = &dec_ops, }, + { .name = "divsd", .ops = &mov_ops, }, + { .name = "divss", .ops = &mov_ops, }, + { .name = "gs", .ops = &mov_ops, }, { .name = "imul", .ops = &mov_ops, }, { .name = "inc", .ops = &dec_ops, }, { .name = "incl", .ops = &dec_ops, }, @@ -57,25 +79,68 @@ static struct ins x86__instructions[] = { { .name = "lea", .ops = &mov_ops, }, { .name = "lock", .ops = &lock_ops, }, { .name = "mov", .ops = &mov_ops, }, + { .name = "movapd", .ops = &mov_ops, }, + { .name = "movaps", .ops = &mov_ops, }, { .name = "movb", .ops = &mov_ops, }, { .name = "movdqa", .ops = &mov_ops, }, + { .name = "movdqu", .ops = &mov_ops, }, { .name = "movl", .ops = &mov_ops, }, { .name = "movq", .ops = &mov_ops, }, + { .name = "movsd", .ops = &mov_ops, }, { .name = "movslq", .ops = &mov_ops, }, + { .name = "movss", .ops = &mov_ops, }, + { .name = "movupd", .ops = &mov_ops, }, + { .name = "movups", .ops = &mov_ops, }, + { .name = "movw", .ops = &mov_ops, }, { .name = "movzbl", .ops = &mov_ops, }, { .name = "movzwl", .ops = &mov_ops, }, + { .name = "mulsd", .ops = &mov_ops, }, + { .name = "mulss", .ops = &mov_ops, }, { .name = "nop", .ops = &nop_ops, }, { .name = "nopl", .ops = &nop_ops, }, { .name = "nopw", .ops = &nop_ops, }, { .name = "or", .ops = &mov_ops, }, + { .name = "orb", .ops = &mov_ops, }, { .name = "orl", .ops = &mov_ops, }, + { .name = "orps", .ops = &mov_ops, }, + { .name = "orq", .ops = &mov_ops, }, + { .name = "pand", .ops = &mov_ops, }, + { .name = "paddq", .ops = &mov_ops, }, + { .name = "pcmpeqb", .ops = &mov_ops, }, + { .name = "por", .ops = &mov_ops, }, + { .name = "rclb", .ops = &mov_ops, }, + { .name = "rcll", .ops = &mov_ops, }, + { .name = "retq", .ops = &ret_ops, }, + { .name = "sbb", .ops = &mov_ops, }, + { .name = "sbbl", .ops = &mov_ops, }, + { .name = "sete", .ops = &mov_ops, }, + { .name = "sub", .ops = &mov_ops, }, + { .name = "subl", .ops = &mov_ops, }, + { .name = "subq", .ops = &mov_ops, }, + { .name = "subsd", .ops = &mov_ops, }, + { .name = "subw", .ops = &mov_ops, }, { .name = "test", .ops = &mov_ops, }, { .name = "testb", .ops = &mov_ops, }, { .name = "testl", .ops = &mov_ops, }, + { .name = "ucomisd", .ops = &mov_ops, }, + { .name = "ucomiss", .ops = &mov_ops, }, + { .name = "vaddsd", .ops = &mov_ops, }, + { .name = "vandpd", .ops = &mov_ops, }, + { .name = "vmovdqa", .ops = &mov_ops, }, + { .name = "vmovq", .ops = &mov_ops, }, + { .name = "vmovsd", .ops = &mov_ops, }, + { .name = "vmulsd", .ops = &mov_ops, }, + { .name = "vorpd", .ops = &mov_ops, }, + { .name = "vsubsd", .ops = &mov_ops, }, + { .name = "vucomisd", .ops = &mov_ops, }, { .name = "xadd", .ops = &mov_ops, }, { .name = "xbeginl", .ops = &jump_ops, }, { .name = "xbeginq", .ops = &jump_ops, }, - { .name = "retq", .ops = &ret_ops, }, + { .name = "xchg", .ops = &mov_ops, }, + { .name = "xor", .ops = &mov_ops, }, + { .name = "xorb", .ops = &mov_ops, }, + { .name = "xorpd", .ops = &mov_ops, }, + { .name = "xorps", .ops = &mov_ops, }, }; static bool x86__ins_is_fused(struct arch *arch, const char *ins1, diff --git a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl index 5aef183e2f85..4dfe42666d0c 100644 --- a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl +++ b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl @@ -4,379 +4,383 @@ # The format is: # <number> <abi> <name> <entry point> # +# The __x64_sys_*() stubs are created on-the-fly for sys_*() system calls +# # The abi is "common", "64" or "x32" for this file. # -0 common read sys_read -1 common write sys_write -2 common open sys_open -3 common close sys_close -4 common stat sys_newstat -5 common fstat sys_newfstat -6 common lstat sys_newlstat -7 common poll sys_poll -8 common lseek sys_lseek -9 common mmap sys_mmap -10 common mprotect sys_mprotect -11 common munmap sys_munmap -12 common brk sys_brk -13 64 rt_sigaction sys_rt_sigaction -14 common rt_sigprocmask sys_rt_sigprocmask -15 64 rt_sigreturn sys_rt_sigreturn/ptregs -16 64 ioctl sys_ioctl -17 common pread64 sys_pread64 -18 common pwrite64 sys_pwrite64 -19 64 readv sys_readv -20 64 writev sys_writev -21 common access sys_access -22 common pipe sys_pipe -23 common select sys_select -24 common sched_yield sys_sched_yield -25 common mremap sys_mremap -26 common msync sys_msync -27 common mincore sys_mincore -28 common madvise sys_madvise -29 common shmget sys_shmget -30 common shmat sys_shmat -31 common shmctl sys_shmctl -32 common dup sys_dup -33 common dup2 sys_dup2 -34 common pause sys_pause -35 common nanosleep sys_nanosleep -36 common getitimer sys_getitimer -37 common alarm sys_alarm -38 common setitimer sys_setitimer -39 common getpid sys_getpid -40 common sendfile sys_sendfile64 -41 common socket sys_socket -42 common connect sys_connect -43 common accept sys_accept -44 common sendto sys_sendto -45 64 recvfrom sys_recvfrom -46 64 sendmsg sys_sendmsg -47 64 recvmsg sys_recvmsg -48 common shutdown sys_shutdown -49 common bind sys_bind -50 common listen sys_listen -51 common getsockname sys_getsockname -52 common getpeername sys_getpeername -53 common socketpair sys_socketpair -54 64 setsockopt sys_setsockopt -55 64 getsockopt sys_getsockopt -56 common clone sys_clone/ptregs -57 common fork sys_fork/ptregs -58 common vfork sys_vfork/ptregs -59 64 execve sys_execve/ptregs -60 common exit sys_exit -61 common wait4 sys_wait4 -62 common kill sys_kill -63 common uname sys_newuname -64 common semget sys_semget -65 common semop sys_semop -66 common semctl sys_semctl -67 common shmdt sys_shmdt -68 common msgget sys_msgget -69 common msgsnd sys_msgsnd -70 common msgrcv sys_msgrcv -71 common msgctl sys_msgctl -72 common fcntl sys_fcntl -73 common flock sys_flock -74 common fsync sys_fsync -75 common fdatasync sys_fdatasync -76 common truncate sys_truncate -77 common ftruncate sys_ftruncate -78 common getdents sys_getdents -79 common getcwd sys_getcwd -80 common chdir sys_chdir -81 common fchdir sys_fchdir -82 common rename sys_rename -83 common mkdir sys_mkdir -84 common rmdir sys_rmdir -85 common creat sys_creat -86 common link sys_link -87 common unlink sys_unlink -88 common symlink sys_symlink -89 common readlink sys_readlink -90 common chmod sys_chmod -91 common fchmod sys_fchmod -92 common chown sys_chown -93 common fchown sys_fchown -94 common lchown sys_lchown -95 common umask sys_umask -96 common gettimeofday sys_gettimeofday -97 common getrlimit sys_getrlimit -98 common getrusage sys_getrusage -99 common sysinfo sys_sysinfo -100 common times sys_times -101 64 ptrace sys_ptrace -102 common getuid sys_getuid -103 common syslog sys_syslog -104 common getgid sys_getgid -105 common setuid sys_setuid -106 common setgid sys_setgid -107 common geteuid sys_geteuid -108 common getegid sys_getegid -109 common setpgid sys_setpgid -110 common getppid sys_getppid -111 common getpgrp sys_getpgrp -112 common setsid sys_setsid -113 common setreuid sys_setreuid -114 common setregid sys_setregid -115 common getgroups sys_getgroups -116 common setgroups sys_setgroups -117 common setresuid sys_setresuid -118 common getresuid sys_getresuid -119 common setresgid sys_setresgid -120 common getresgid sys_getresgid -121 common getpgid sys_getpgid -122 common setfsuid sys_setfsuid -123 common setfsgid sys_setfsgid -124 common getsid sys_getsid -125 common capget sys_capget -126 common capset sys_capset -127 64 rt_sigpending sys_rt_sigpending -128 64 rt_sigtimedwait sys_rt_sigtimedwait -129 64 rt_sigqueueinfo sys_rt_sigqueueinfo -130 common rt_sigsuspend sys_rt_sigsuspend -131 64 sigaltstack sys_sigaltstack -132 common utime sys_utime -133 common mknod sys_mknod +0 common read __x64_sys_read +1 common write __x64_sys_write +2 common open __x64_sys_open +3 common close __x64_sys_close +4 common stat __x64_sys_newstat +5 common fstat __x64_sys_newfstat +6 common lstat __x64_sys_newlstat +7 common poll __x64_sys_poll +8 common lseek __x64_sys_lseek +9 common mmap __x64_sys_mmap +10 common mprotect __x64_sys_mprotect +11 common munmap __x64_sys_munmap +12 common brk __x64_sys_brk +13 64 rt_sigaction __x64_sys_rt_sigaction +14 common rt_sigprocmask __x64_sys_rt_sigprocmask +15 64 rt_sigreturn __x64_sys_rt_sigreturn/ptregs +16 64 ioctl __x64_sys_ioctl +17 common pread64 __x64_sys_pread64 +18 common pwrite64 __x64_sys_pwrite64 +19 64 readv __x64_sys_readv +20 64 writev __x64_sys_writev +21 common access __x64_sys_access +22 common pipe __x64_sys_pipe +23 common select __x64_sys_select +24 common sched_yield __x64_sys_sched_yield +25 common mremap __x64_sys_mremap +26 common msync __x64_sys_msync +27 common mincore __x64_sys_mincore +28 common madvise __x64_sys_madvise +29 common shmget __x64_sys_shmget +30 common shmat __x64_sys_shmat +31 common shmctl __x64_sys_shmctl +32 common dup __x64_sys_dup +33 common dup2 __x64_sys_dup2 +34 common pause __x64_sys_pause +35 common nanosleep __x64_sys_nanosleep +36 common getitimer __x64_sys_getitimer +37 common alarm __x64_sys_alarm +38 common setitimer __x64_sys_setitimer +39 common getpid __x64_sys_getpid +40 common sendfile __x64_sys_sendfile64 +41 common socket __x64_sys_socket +42 common connect __x64_sys_connect +43 common accept __x64_sys_accept +44 common sendto __x64_sys_sendto +45 64 recvfrom __x64_sys_recvfrom +46 64 sendmsg __x64_sys_sendmsg +47 64 recvmsg __x64_sys_recvmsg +48 common shutdown __x64_sys_shutdown +49 common bind __x64_sys_bind +50 common listen __x64_sys_listen +51 common getsockname __x64_sys_getsockname +52 common getpeername __x64_sys_getpeername +53 common socketpair __x64_sys_socketpair +54 64 setsockopt __x64_sys_setsockopt +55 64 getsockopt __x64_sys_getsockopt +56 common clone __x64_sys_clone/ptregs +57 common fork __x64_sys_fork/ptregs +58 common vfork __x64_sys_vfork/ptregs +59 64 execve __x64_sys_execve/ptregs +60 common exit __x64_sys_exit +61 common wait4 __x64_sys_wait4 +62 common kill __x64_sys_kill +63 common uname __x64_sys_newuname +64 common semget __x64_sys_semget +65 common semop __x64_sys_semop +66 common semctl __x64_sys_semctl +67 common shmdt __x64_sys_shmdt +68 common msgget __x64_sys_msgget +69 common msgsnd __x64_sys_msgsnd +70 common msgrcv __x64_sys_msgrcv +71 common msgctl __x64_sys_msgctl +72 common fcntl __x64_sys_fcntl +73 common flock __x64_sys_flock +74 common fsync __x64_sys_fsync +75 common fdatasync __x64_sys_fdatasync +76 common truncate __x64_sys_truncate +77 common ftruncate __x64_sys_ftruncate +78 common getdents __x64_sys_getdents +79 common getcwd __x64_sys_getcwd +80 common chdir __x64_sys_chdir +81 common fchdir __x64_sys_fchdir +82 common rename __x64_sys_rename +83 common mkdir __x64_sys_mkdir +84 common rmdir __x64_sys_rmdir +85 common creat __x64_sys_creat +86 common link __x64_sys_link +87 common unlink __x64_sys_unlink +88 common symlink __x64_sys_symlink +89 common readlink __x64_sys_readlink +90 common chmod __x64_sys_chmod +91 common fchmod __x64_sys_fchmod +92 common chown __x64_sys_chown +93 common fchown __x64_sys_fchown +94 common lchown __x64_sys_lchown +95 common umask __x64_sys_umask +96 common gettimeofday __x64_sys_gettimeofday +97 common getrlimit __x64_sys_getrlimit +98 common getrusage __x64_sys_getrusage +99 common sysinfo __x64_sys_sysinfo +100 common times __x64_sys_times +101 64 ptrace __x64_sys_ptrace +102 common getuid __x64_sys_getuid +103 common syslog __x64_sys_syslog +104 common getgid __x64_sys_getgid +105 common setuid __x64_sys_setuid +106 common setgid __x64_sys_setgid +107 common geteuid __x64_sys_geteuid +108 common getegid __x64_sys_getegid +109 common setpgid __x64_sys_setpgid +110 common getppid __x64_sys_getppid +111 common getpgrp __x64_sys_getpgrp +112 common setsid __x64_sys_setsid +113 common setreuid __x64_sys_setreuid +114 common setregid __x64_sys_setregid +115 common getgroups __x64_sys_getgroups +116 common setgroups __x64_sys_setgroups +117 common setresuid __x64_sys_setresuid +118 common getresuid __x64_sys_getresuid +119 common setresgid __x64_sys_setresgid +120 common getresgid __x64_sys_getresgid +121 common getpgid __x64_sys_getpgid +122 common setfsuid __x64_sys_setfsuid +123 common setfsgid __x64_sys_setfsgid +124 common getsid __x64_sys_getsid +125 common capget __x64_sys_capget +126 common capset __x64_sys_capset +127 64 rt_sigpending __x64_sys_rt_sigpending +128 64 rt_sigtimedwait __x64_sys_rt_sigtimedwait +129 64 rt_sigqueueinfo __x64_sys_rt_sigqueueinfo +130 common rt_sigsuspend __x64_sys_rt_sigsuspend +131 64 sigaltstack __x64_sys_sigaltstack +132 common utime __x64_sys_utime +133 common mknod __x64_sys_mknod 134 64 uselib -135 common personality sys_personality -136 common ustat sys_ustat -137 common statfs sys_statfs -138 common fstatfs sys_fstatfs -139 common sysfs sys_sysfs -140 common getpriority sys_getpriority -141 common setpriority sys_setpriority -142 common sched_setparam sys_sched_setparam -143 common sched_getparam sys_sched_getparam -144 common sched_setscheduler sys_sched_setscheduler -145 common sched_getscheduler sys_sched_getscheduler -146 common sched_get_priority_max sys_sched_get_priority_max -147 common sched_get_priority_min sys_sched_get_priority_min -148 common sched_rr_get_interval sys_sched_rr_get_interval -149 common mlock sys_mlock -150 common munlock sys_munlock -151 common mlockall sys_mlockall -152 common munlockall sys_munlockall -153 common vhangup sys_vhangup -154 common modify_ldt sys_modify_ldt -155 common pivot_root sys_pivot_root -156 64 _sysctl sys_sysctl -157 common prctl sys_prctl -158 common arch_prctl sys_arch_prctl -159 common adjtimex sys_adjtimex -160 common setrlimit sys_setrlimit -161 common chroot sys_chroot -162 common sync sys_sync -163 common acct sys_acct -164 common settimeofday sys_settimeofday -165 common mount sys_mount -166 common umount2 sys_umount -167 common swapon sys_swapon -168 common swapoff sys_swapoff -169 common reboot sys_reboot -170 common sethostname sys_sethostname -171 common setdomainname sys_setdomainname -172 common iopl sys_iopl/ptregs -173 common ioperm sys_ioperm +135 common personality __x64_sys_personality +136 common ustat __x64_sys_ustat +137 common statfs __x64_sys_statfs +138 common fstatfs __x64_sys_fstatfs +139 common sysfs __x64_sys_sysfs +140 common getpriority __x64_sys_getpriority +141 common setpriority __x64_sys_setpriority +142 common sched_setparam __x64_sys_sched_setparam +143 common sched_getparam __x64_sys_sched_getparam +144 common sched_setscheduler __x64_sys_sched_setscheduler +145 common sched_getscheduler __x64_sys_sched_getscheduler +146 common sched_get_priority_max __x64_sys_sched_get_priority_max +147 common sched_get_priority_min __x64_sys_sched_get_priority_min +148 common sched_rr_get_interval __x64_sys_sched_rr_get_interval +149 common mlock __x64_sys_mlock +150 common munlock __x64_sys_munlock +151 common mlockall __x64_sys_mlockall +152 common munlockall __x64_sys_munlockall +153 common vhangup __x64_sys_vhangup +154 common modify_ldt __x64_sys_modify_ldt +155 common pivot_root __x64_sys_pivot_root +156 64 _sysctl __x64_sys_sysctl +157 common prctl __x64_sys_prctl +158 common arch_prctl __x64_sys_arch_prctl +159 common adjtimex __x64_sys_adjtimex +160 common setrlimit __x64_sys_setrlimit +161 common chroot __x64_sys_chroot +162 common sync __x64_sys_sync +163 common acct __x64_sys_acct +164 common settimeofday __x64_sys_settimeofday +165 common mount __x64_sys_mount +166 common umount2 __x64_sys_umount +167 common swapon __x64_sys_swapon +168 common swapoff __x64_sys_swapoff +169 common reboot __x64_sys_reboot +170 common sethostname __x64_sys_sethostname +171 common setdomainname __x64_sys_setdomainname +172 common iopl __x64_sys_iopl/ptregs +173 common ioperm __x64_sys_ioperm 174 64 create_module -175 common init_module sys_init_module -176 common delete_module sys_delete_module +175 common init_module __x64_sys_init_module +176 common delete_module __x64_sys_delete_module 177 64 get_kernel_syms 178 64 query_module -179 common quotactl sys_quotactl +179 common quotactl __x64_sys_quotactl 180 64 nfsservctl 181 common getpmsg 182 common putpmsg 183 common afs_syscall 184 common tuxcall 185 common security -186 common gettid sys_gettid -187 common readahead sys_readahead -188 common setxattr sys_setxattr -189 common lsetxattr sys_lsetxattr -190 common fsetxattr sys_fsetxattr -191 common getxattr sys_getxattr -192 common lgetxattr sys_lgetxattr -193 common fgetxattr sys_fgetxattr -194 common listxattr sys_listxattr -195 common llistxattr sys_llistxattr -196 common flistxattr sys_flistxattr -197 common removexattr sys_removexattr -198 common lremovexattr sys_lremovexattr -199 common fremovexattr sys_fremovexattr -200 common tkill sys_tkill -201 common time sys_time -202 common futex sys_futex -203 common sched_setaffinity sys_sched_setaffinity -204 common sched_getaffinity sys_sched_getaffinity +186 common gettid __x64_sys_gettid +187 common readahead __x64_sys_readahead +188 common setxattr __x64_sys_setxattr +189 common lsetxattr __x64_sys_lsetxattr +190 common fsetxattr __x64_sys_fsetxattr +191 common getxattr __x64_sys_getxattr +192 common lgetxattr __x64_sys_lgetxattr +193 common fgetxattr __x64_sys_fgetxattr +194 common listxattr __x64_sys_listxattr +195 common llistxattr __x64_sys_llistxattr +196 common flistxattr __x64_sys_flistxattr +197 common removexattr __x64_sys_removexattr +198 common lremovexattr __x64_sys_lremovexattr +199 common fremovexattr __x64_sys_fremovexattr +200 common tkill __x64_sys_tkill +201 common time __x64_sys_time +202 common futex __x64_sys_futex +203 common sched_setaffinity __x64_sys_sched_setaffinity +204 common sched_getaffinity __x64_sys_sched_getaffinity 205 64 set_thread_area -206 64 io_setup sys_io_setup -207 common io_destroy sys_io_destroy -208 common io_getevents sys_io_getevents -209 64 io_submit sys_io_submit -210 common io_cancel sys_io_cancel +206 64 io_setup __x64_sys_io_setup +207 common io_destroy __x64_sys_io_destroy +208 common io_getevents __x64_sys_io_getevents +209 64 io_submit __x64_sys_io_submit +210 common io_cancel __x64_sys_io_cancel 211 64 get_thread_area -212 common lookup_dcookie sys_lookup_dcookie -213 common epoll_create sys_epoll_create +212 common lookup_dcookie __x64_sys_lookup_dcookie +213 common epoll_create __x64_sys_epoll_create 214 64 epoll_ctl_old 215 64 epoll_wait_old -216 common remap_file_pages sys_remap_file_pages -217 common getdents64 sys_getdents64 -218 common set_tid_address sys_set_tid_address -219 common restart_syscall sys_restart_syscall -220 common semtimedop sys_semtimedop -221 common fadvise64 sys_fadvise64 -222 64 timer_create sys_timer_create -223 common timer_settime sys_timer_settime -224 common timer_gettime sys_timer_gettime -225 common timer_getoverrun sys_timer_getoverrun -226 common timer_delete sys_timer_delete -227 common clock_settime sys_clock_settime -228 common clock_gettime sys_clock_gettime -229 common clock_getres sys_clock_getres -230 common clock_nanosleep sys_clock_nanosleep -231 common exit_group sys_exit_group -232 common epoll_wait sys_epoll_wait -233 common epoll_ctl sys_epoll_ctl -234 common tgkill sys_tgkill -235 common utimes sys_utimes +216 common remap_file_pages __x64_sys_remap_file_pages +217 common getdents64 __x64_sys_getdents64 +218 common set_tid_address __x64_sys_set_tid_address +219 common restart_syscall __x64_sys_restart_syscall +220 common semtimedop __x64_sys_semtimedop +221 common fadvise64 __x64_sys_fadvise64 +222 64 timer_create __x64_sys_timer_create +223 common timer_settime __x64_sys_timer_settime +224 common timer_gettime __x64_sys_timer_gettime +225 common timer_getoverrun __x64_sys_timer_getoverrun +226 common timer_delete __x64_sys_timer_delete +227 common clock_settime __x64_sys_clock_settime +228 common clock_gettime __x64_sys_clock_gettime +229 common clock_getres __x64_sys_clock_getres +230 common clock_nanosleep __x64_sys_clock_nanosleep +231 common exit_group __x64_sys_exit_group +232 common epoll_wait __x64_sys_epoll_wait +233 common epoll_ctl __x64_sys_epoll_ctl +234 common tgkill __x64_sys_tgkill +235 common utimes __x64_sys_utimes 236 64 vserver -237 common mbind sys_mbind -238 common set_mempolicy sys_set_mempolicy -239 common get_mempolicy sys_get_mempolicy -240 common mq_open sys_mq_open -241 common mq_unlink sys_mq_unlink -242 common mq_timedsend sys_mq_timedsend -243 common mq_timedreceive sys_mq_timedreceive -244 64 mq_notify sys_mq_notify -245 common mq_getsetattr sys_mq_getsetattr -246 64 kexec_load sys_kexec_load -247 64 waitid sys_waitid -248 common add_key sys_add_key -249 common request_key sys_request_key -250 common keyctl sys_keyctl -251 common ioprio_set sys_ioprio_set -252 common ioprio_get sys_ioprio_get -253 common inotify_init sys_inotify_init -254 common inotify_add_watch sys_inotify_add_watch -255 common inotify_rm_watch sys_inotify_rm_watch -256 common migrate_pages sys_migrate_pages -257 common openat sys_openat -258 common mkdirat sys_mkdirat -259 common mknodat sys_mknodat -260 common fchownat sys_fchownat -261 common futimesat sys_futimesat -262 common newfstatat sys_newfstatat -263 common unlinkat sys_unlinkat -264 common renameat sys_renameat -265 common linkat sys_linkat -266 common symlinkat sys_symlinkat -267 common readlinkat sys_readlinkat -268 common fchmodat sys_fchmodat -269 common faccessat sys_faccessat -270 common pselect6 sys_pselect6 -271 common ppoll sys_ppoll -272 common unshare sys_unshare -273 64 set_robust_list sys_set_robust_list -274 64 get_robust_list sys_get_robust_list -275 common splice sys_splice -276 common tee sys_tee -277 common sync_file_range sys_sync_file_range -278 64 vmsplice sys_vmsplice -279 64 move_pages sys_move_pages -280 common utimensat sys_utimensat -281 common epoll_pwait sys_epoll_pwait -282 common signalfd sys_signalfd -283 common timerfd_create sys_timerfd_create -284 common eventfd sys_eventfd -285 common fallocate sys_fallocate -286 common timerfd_settime sys_timerfd_settime -287 common timerfd_gettime sys_timerfd_gettime -288 common accept4 sys_accept4 -289 common signalfd4 sys_signalfd4 -290 common eventfd2 sys_eventfd2 -291 common epoll_create1 sys_epoll_create1 -292 common dup3 sys_dup3 -293 common pipe2 sys_pipe2 -294 common inotify_init1 sys_inotify_init1 -295 64 preadv sys_preadv -296 64 pwritev sys_pwritev -297 64 rt_tgsigqueueinfo sys_rt_tgsigqueueinfo -298 common perf_event_open sys_perf_event_open -299 64 recvmmsg sys_recvmmsg -300 common fanotify_init sys_fanotify_init -301 common fanotify_mark sys_fanotify_mark -302 common prlimit64 sys_prlimit64 -303 common name_to_handle_at sys_name_to_handle_at -304 common open_by_handle_at sys_open_by_handle_at -305 common clock_adjtime sys_clock_adjtime -306 common syncfs sys_syncfs -307 64 sendmmsg sys_sendmmsg -308 common setns sys_setns -309 common getcpu sys_getcpu -310 64 process_vm_readv sys_process_vm_readv -311 64 process_vm_writev sys_process_vm_writev -312 common kcmp sys_kcmp -313 common finit_module sys_finit_module -314 common sched_setattr sys_sched_setattr -315 common sched_getattr sys_sched_getattr -316 common renameat2 sys_renameat2 -317 common seccomp sys_seccomp -318 common getrandom sys_getrandom -319 common memfd_create sys_memfd_create -320 common kexec_file_load sys_kexec_file_load -321 common bpf sys_bpf -322 64 execveat sys_execveat/ptregs -323 common userfaultfd sys_userfaultfd -324 common membarrier sys_membarrier -325 common mlock2 sys_mlock2 -326 common copy_file_range sys_copy_file_range -327 64 preadv2 sys_preadv2 -328 64 pwritev2 sys_pwritev2 -329 common pkey_mprotect sys_pkey_mprotect -330 common pkey_alloc sys_pkey_alloc -331 common pkey_free sys_pkey_free -332 common statx sys_statx +237 common mbind __x64_sys_mbind +238 common set_mempolicy __x64_sys_set_mempolicy +239 common get_mempolicy __x64_sys_get_mempolicy +240 common mq_open __x64_sys_mq_open +241 common mq_unlink __x64_sys_mq_unlink +242 common mq_timedsend __x64_sys_mq_timedsend +243 common mq_timedreceive __x64_sys_mq_timedreceive +244 64 mq_notify __x64_sys_mq_notify +245 common mq_getsetattr __x64_sys_mq_getsetattr +246 64 kexec_load __x64_sys_kexec_load +247 64 waitid __x64_sys_waitid +248 common add_key __x64_sys_add_key +249 common request_key __x64_sys_request_key +250 common keyctl __x64_sys_keyctl +251 common ioprio_set __x64_sys_ioprio_set +252 common ioprio_get __x64_sys_ioprio_get +253 common inotify_init __x64_sys_inotify_init +254 common inotify_add_watch __x64_sys_inotify_add_watch +255 common inotify_rm_watch __x64_sys_inotify_rm_watch +256 common migrate_pages __x64_sys_migrate_pages +257 common openat __x64_sys_openat +258 common mkdirat __x64_sys_mkdirat +259 common mknodat __x64_sys_mknodat +260 common fchownat __x64_sys_fchownat +261 common futimesat __x64_sys_futimesat +262 common newfstatat __x64_sys_newfstatat +263 common unlinkat __x64_sys_unlinkat +264 common renameat __x64_sys_renameat +265 common linkat __x64_sys_linkat +266 common symlinkat __x64_sys_symlinkat +267 common readlinkat __x64_sys_readlinkat +268 common fchmodat __x64_sys_fchmodat +269 common faccessat __x64_sys_faccessat +270 common pselect6 __x64_sys_pselect6 +271 common ppoll __x64_sys_ppoll +272 common unshare __x64_sys_unshare +273 64 set_robust_list __x64_sys_set_robust_list +274 64 get_robust_list __x64_sys_get_robust_list +275 common splice __x64_sys_splice +276 common tee __x64_sys_tee +277 common sync_file_range __x64_sys_sync_file_range +278 64 vmsplice __x64_sys_vmsplice +279 64 move_pages __x64_sys_move_pages +280 common utimensat __x64_sys_utimensat +281 common epoll_pwait __x64_sys_epoll_pwait +282 common signalfd __x64_sys_signalfd +283 common timerfd_create __x64_sys_timerfd_create +284 common eventfd __x64_sys_eventfd +285 common fallocate __x64_sys_fallocate +286 common timerfd_settime __x64_sys_timerfd_settime +287 common timerfd_gettime __x64_sys_timerfd_gettime +288 common accept4 __x64_sys_accept4 +289 common signalfd4 __x64_sys_signalfd4 +290 common eventfd2 __x64_sys_eventfd2 +291 common epoll_create1 __x64_sys_epoll_create1 +292 common dup3 __x64_sys_dup3 +293 common pipe2 __x64_sys_pipe2 +294 common inotify_init1 __x64_sys_inotify_init1 +295 64 preadv __x64_sys_preadv +296 64 pwritev __x64_sys_pwritev +297 64 rt_tgsigqueueinfo __x64_sys_rt_tgsigqueueinfo +298 common perf_event_open __x64_sys_perf_event_open +299 64 recvmmsg __x64_sys_recvmmsg +300 common fanotify_init __x64_sys_fanotify_init +301 common fanotify_mark __x64_sys_fanotify_mark +302 common prlimit64 __x64_sys_prlimit64 +303 common name_to_handle_at __x64_sys_name_to_handle_at +304 common open_by_handle_at __x64_sys_open_by_handle_at +305 common clock_adjtime __x64_sys_clock_adjtime +306 common syncfs __x64_sys_syncfs +307 64 sendmmsg __x64_sys_sendmmsg +308 common setns __x64_sys_setns +309 common getcpu __x64_sys_getcpu +310 64 process_vm_readv __x64_sys_process_vm_readv +311 64 process_vm_writev __x64_sys_process_vm_writev +312 common kcmp __x64_sys_kcmp +313 common finit_module __x64_sys_finit_module +314 common sched_setattr __x64_sys_sched_setattr +315 common sched_getattr __x64_sys_sched_getattr +316 common renameat2 __x64_sys_renameat2 +317 common seccomp __x64_sys_seccomp +318 common getrandom __x64_sys_getrandom +319 common memfd_create __x64_sys_memfd_create +320 common kexec_file_load __x64_sys_kexec_file_load +321 common bpf __x64_sys_bpf +322 64 execveat __x64_sys_execveat/ptregs +323 common userfaultfd __x64_sys_userfaultfd +324 common membarrier __x64_sys_membarrier +325 common mlock2 __x64_sys_mlock2 +326 common copy_file_range __x64_sys_copy_file_range +327 64 preadv2 __x64_sys_preadv2 +328 64 pwritev2 __x64_sys_pwritev2 +329 common pkey_mprotect __x64_sys_pkey_mprotect +330 common pkey_alloc __x64_sys_pkey_alloc +331 common pkey_free __x64_sys_pkey_free +332 common statx __x64_sys_statx # # x32-specific system call numbers start at 512 to avoid cache impact -# for native 64-bit operation. +# for native 64-bit operation. The __x32_compat_sys stubs are created +# on-the-fly for compat_sys_*() compatibility system calls if X86_X32 +# is defined. # -512 x32 rt_sigaction compat_sys_rt_sigaction +512 x32 rt_sigaction __x32_compat_sys_rt_sigaction 513 x32 rt_sigreturn sys32_x32_rt_sigreturn -514 x32 ioctl compat_sys_ioctl -515 x32 readv compat_sys_readv -516 x32 writev compat_sys_writev -517 x32 recvfrom compat_sys_recvfrom -518 x32 sendmsg compat_sys_sendmsg -519 x32 recvmsg compat_sys_recvmsg -520 x32 execve compat_sys_execve/ptregs -521 x32 ptrace compat_sys_ptrace -522 x32 rt_sigpending compat_sys_rt_sigpending -523 x32 rt_sigtimedwait compat_sys_rt_sigtimedwait -524 x32 rt_sigqueueinfo compat_sys_rt_sigqueueinfo -525 x32 sigaltstack compat_sys_sigaltstack -526 x32 timer_create compat_sys_timer_create -527 x32 mq_notify compat_sys_mq_notify -528 x32 kexec_load compat_sys_kexec_load -529 x32 waitid compat_sys_waitid -530 x32 set_robust_list compat_sys_set_robust_list -531 x32 get_robust_list compat_sys_get_robust_list -532 x32 vmsplice compat_sys_vmsplice -533 x32 move_pages compat_sys_move_pages -534 x32 preadv compat_sys_preadv64 -535 x32 pwritev compat_sys_pwritev64 -536 x32 rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo -537 x32 recvmmsg compat_sys_recvmmsg -538 x32 sendmmsg compat_sys_sendmmsg -539 x32 process_vm_readv compat_sys_process_vm_readv -540 x32 process_vm_writev compat_sys_process_vm_writev -541 x32 setsockopt compat_sys_setsockopt -542 x32 getsockopt compat_sys_getsockopt -543 x32 io_setup compat_sys_io_setup -544 x32 io_submit compat_sys_io_submit -545 x32 execveat compat_sys_execveat/ptregs -546 x32 preadv2 compat_sys_preadv64v2 -547 x32 pwritev2 compat_sys_pwritev64v2 +514 x32 ioctl __x32_compat_sys_ioctl +515 x32 readv __x32_compat_sys_readv +516 x32 writev __x32_compat_sys_writev +517 x32 recvfrom __x32_compat_sys_recvfrom +518 x32 sendmsg __x32_compat_sys_sendmsg +519 x32 recvmsg __x32_compat_sys_recvmsg +520 x32 execve __x32_compat_sys_execve/ptregs +521 x32 ptrace __x32_compat_sys_ptrace +522 x32 rt_sigpending __x32_compat_sys_rt_sigpending +523 x32 rt_sigtimedwait __x32_compat_sys_rt_sigtimedwait +524 x32 rt_sigqueueinfo __x32_compat_sys_rt_sigqueueinfo +525 x32 sigaltstack __x32_compat_sys_sigaltstack +526 x32 timer_create __x32_compat_sys_timer_create +527 x32 mq_notify __x32_compat_sys_mq_notify +528 x32 kexec_load __x32_compat_sys_kexec_load +529 x32 waitid __x32_compat_sys_waitid +530 x32 set_robust_list __x32_compat_sys_set_robust_list +531 x32 get_robust_list __x32_compat_sys_get_robust_list +532 x32 vmsplice __x32_compat_sys_vmsplice +533 x32 move_pages __x32_compat_sys_move_pages +534 x32 preadv __x32_compat_sys_preadv64 +535 x32 pwritev __x32_compat_sys_pwritev64 +536 x32 rt_tgsigqueueinfo __x32_compat_sys_rt_tgsigqueueinfo +537 x32 recvmmsg __x32_compat_sys_recvmmsg +538 x32 sendmmsg __x32_compat_sys_sendmmsg +539 x32 process_vm_readv __x32_compat_sys_process_vm_readv +540 x32 process_vm_writev __x32_compat_sys_process_vm_writev +541 x32 setsockopt __x32_compat_sys_setsockopt +542 x32 getsockopt __x32_compat_sys_getsockopt +543 x32 io_setup __x32_compat_sys_io_setup +544 x32 io_submit __x32_compat_sys_io_submit +545 x32 execveat __x32_compat_sys_execveat/ptregs +546 x32 preadv2 __x32_compat_sys_preadv64v2 +547 x32 pwritev2 __x32_compat_sys_pwritev64v2 diff --git a/tools/perf/builtin-help.c b/tools/perf/builtin-help.c index 4aca13f23b9d..1c41b4eaf73c 100644 --- a/tools/perf/builtin-help.c +++ b/tools/perf/builtin-help.c @@ -439,7 +439,7 @@ int cmd_help(int argc, const char **argv) #ifdef HAVE_LIBELF_SUPPORT "probe", #endif -#if defined(HAVE_LIBAUDIT_SUPPORT) || defined(HAVE_SYSCALL_TABLE) +#if defined(HAVE_LIBAUDIT_SUPPORT) || defined(HAVE_SYSCALL_TABLE_SUPPORT) "trace", #endif NULL }; diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c index 506564651cda..57393e94d156 100644 --- a/tools/perf/builtin-mem.c +++ b/tools/perf/builtin-mem.c @@ -83,7 +83,7 @@ static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) }; argc = parse_options(argc, argv, options, record_mem_usage, - PARSE_OPT_STOP_AT_NON_OPTION); + PARSE_OPT_KEEP_UNKNOWN); rec_argc = argc + 9; /* max number of arguments */ rec_argv = calloc(rec_argc + 1, sizeof(char *)); @@ -436,7 +436,7 @@ int cmd_mem(int argc, const char **argv) } argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands, - mem_usage, PARSE_OPT_STOP_AT_NON_OPTION); + mem_usage, PARSE_OPT_KEEP_UNKNOWN); if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation)) usage_with_options(mem_usage, mem_options); diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 313c42423393..e0a9845b6cbc 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -657,8 +657,11 @@ static int perf_sample__fprintf_start(struct perf_sample *sample, break; case PERF_RECORD_SWITCH: case PERF_RECORD_SWITCH_CPU_WIDE: - if (has(SWITCH_OUT)) + if (has(SWITCH_OUT)) { ret += fprintf(fp, "S"); + if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) + ret += fprintf(fp, "p"); + } default: break; } @@ -2801,11 +2804,11 @@ int find_scripts(char **scripts_array, char **scripts_path_array) for_each_lang(scripts_path, scripts_dir, lang_dirent) { scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, lang_dirent->d_name); -#ifdef NO_LIBPERL +#ifndef HAVE_LIBPERL_SUPPORT if (strstr(lang_path, "perl")) continue; #endif -#ifdef NO_LIBPYTHON +#ifndef HAVE_LIBPYTHON_SUPPORT if (strstr(lang_path, "python")) continue; #endif diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index f5c454855908..147a27e8c937 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -1943,7 +1943,8 @@ static const struct option stat_options[] = { OPT_STRING(0, "post", &post_cmd, "command", "command to run after to the measured command"), OPT_UINTEGER('I', "interval-print", &stat_config.interval, - "print counts at regular interval in ms (>= 10)"), + "print counts at regular interval in ms " + "(overhead is possible for values <= 100ms)"), OPT_INTEGER(0, "interval-count", &stat_config.times, "print counts for fixed number of times"), OPT_UINTEGER(0, "timeout", &stat_config.timeout, @@ -2923,17 +2924,6 @@ int cmd_stat(int argc, const char **argv) } } - if (interval && interval < 100) { - if (interval < 10) { - pr_err("print interval must be >= 10ms\n"); - parse_options_usage(stat_usage, stat_options, "I", 1); - goto out; - } else - pr_warning("print interval < 100ms. " - "The overhead percentage could be high in some cases. " - "Please proceed with caution.\n"); - } - if (stat_config.times && interval) interval_count = true; else if (stat_config.times && !interval) { diff --git a/tools/perf/builtin-version.c b/tools/perf/builtin-version.c index 2abe3910d6b6..50df168be326 100644 --- a/tools/perf/builtin-version.c +++ b/tools/perf/builtin-version.c @@ -60,7 +60,10 @@ static void library_status(void) STATUS(HAVE_DWARF_GETLOCATIONS_SUPPORT, dwarf_getlocations); STATUS(HAVE_GLIBC_SUPPORT, glibc); STATUS(HAVE_GTK2_SUPPORT, gtk2); +#ifndef HAVE_SYSCALL_TABLE_SUPPORT STATUS(HAVE_LIBAUDIT_SUPPORT, libaudit); +#endif + STATUS(HAVE_SYSCALL_TABLE_SUPPORT, syscall_table); STATUS(HAVE_LIBBFD_SUPPORT, libbfd); STATUS(HAVE_LIBELF_SUPPORT, libelf); STATUS(HAVE_LIBNUMA_SUPPORT, libnuma); diff --git a/tools/perf/perf.c b/tools/perf/perf.c index 1659029d03fc..20a08cb32332 100644 --- a/tools/perf/perf.c +++ b/tools/perf/perf.c @@ -73,7 +73,7 @@ static struct cmd_struct commands[] = { { "lock", cmd_lock, 0 }, { "kvm", cmd_kvm, 0 }, { "test", cmd_test, 0 }, -#if defined(HAVE_LIBAUDIT_SUPPORT) || defined(HAVE_SYSCALL_TABLE) +#if defined(HAVE_LIBAUDIT_SUPPORT) || defined(HAVE_SYSCALL_TABLE_SUPPORT) { "trace", cmd_trace, 0 }, #endif { "inject", cmd_inject, 0 }, @@ -491,7 +491,7 @@ int main(int argc, const char **argv) argv[0] = cmd; } if (strstarts(cmd, "trace")) { -#if defined(HAVE_LIBAUDIT_SUPPORT) || defined(HAVE_SYSCALL_TABLE) +#if defined(HAVE_LIBAUDIT_SUPPORT) || defined(HAVE_SYSCALL_TABLE_SUPPORT) setup_path(); argv[0] = "trace"; return cmd_trace(argc, argv); diff --git a/tools/perf/tests/bpf-script-example.c b/tools/perf/tests/bpf-script-example.c index e4123c1b0e88..1ca5106df5f1 100644 --- a/tools/perf/tests/bpf-script-example.c +++ b/tools/perf/tests/bpf-script-example.c @@ -31,7 +31,7 @@ struct bpf_map_def SEC("maps") flip_table = { .max_entries = 1, }; -SEC("func=SyS_epoll_pwait") +SEC("func=do_epoll_wait") int bpf_func__SyS_epoll_pwait(void *ctx) { int ind =0; diff --git a/tools/perf/tests/bpf-script-test-kbuild.c b/tools/perf/tests/bpf-script-test-kbuild.c index 3626924740d8..ff3ec8337f0a 100644 --- a/tools/perf/tests/bpf-script-test-kbuild.c +++ b/tools/perf/tests/bpf-script-test-kbuild.c @@ -9,7 +9,6 @@ #define SEC(NAME) __attribute__((section(NAME), used)) #include <uapi/linux/fs.h> -#include <uapi/asm/ptrace.h> SEC("func=vfs_llseek") int bpf_func__vfs_llseek(void *ctx) diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 625f5a6772af..cac8f8889bc3 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -118,6 +118,7 @@ static struct test generic_tests[] = { { .desc = "Breakpoint accounting", .func = test__bp_accounting, + .is_supported = test__bp_signal_is_supported, }, { .desc = "Number of exit events of a simple workload", diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c index bb8e6bcb0d96..0919b0793e5b 100644 --- a/tools/perf/tests/mmap-basic.c +++ b/tools/perf/tests/mmap-basic.c @@ -75,7 +75,7 @@ int test__basic_mmap(struct test *test __maybe_unused, int subtest __maybe_unuse snprintf(name, sizeof(name), "sys_enter_%s", syscall_names[i]); evsels[i] = perf_evsel__newtp("syscalls", name); if (IS_ERR(evsels[i])) { - pr_debug("perf_evsel__new\n"); + pr_debug("perf_evsel__new(%s)\n", name); goto out_delete_evlist; } diff --git a/tools/perf/trace/beauty/mmap.c b/tools/perf/trace/beauty/mmap.c index 417e3ecfe9d7..9f68077b241b 100644 --- a/tools/perf/trace/beauty/mmap.c +++ b/tools/perf/trace/beauty/mmap.c @@ -54,6 +54,9 @@ static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, P_MMAP_FLAG(EXECUTABLE); P_MMAP_FLAG(FILE); P_MMAP_FLAG(FIXED); +#ifdef MAP_FIXED_NOREPLACE + P_MMAP_FLAG(FIXED_NOREPLACE); +#endif P_MMAP_FLAG(GROWSDOWN); P_MMAP_FLAG(HUGETLB); P_MMAP_FLAG(LOCKED); diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 12c099a87f8b..3781d74088a7 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -692,6 +692,7 @@ static int annotate_browser__run(struct annotate_browser *browser, "J Toggle showing number of jump sources on targets\n" "n Search next string\n" "o Toggle disassembler output/simplified view\n" + "O Bump offset level (jump targets -> +call -> all -> cycle thru)\n" "s Toggle source code view\n" "t Circulate percent, total period, samples view\n" "/ Search string\n" @@ -719,6 +720,10 @@ static int annotate_browser__run(struct annotate_browser *browser, notes->options->use_offset = !notes->options->use_offset; annotation__update_column_widths(notes); continue; + case 'O': + if (++notes->options->offset_level > ANNOTATION__MAX_OFFSET_LEVEL) + notes->options->offset_level = ANNOTATION__MIN_OFFSET_LEVEL; + continue; case 'j': notes->options->jump_arrows = !notes->options->jump_arrows; continue; diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index 0eec06c105c6..e5f247247daa 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -2714,7 +2714,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, "h/?/F1 Show this window\n" \ "UP/DOWN/PGUP\n" \ "PGDN/SPACE Navigate\n" \ - "q/ESC/CTRL+C Exit browser\n\n" \ + "q/ESC/CTRL+C Exit browser or go back to previous screen\n\n" \ "For multiple event sessions:\n\n" \ "TAB/UNTAB Switch events\n\n" \ "For symbolic views (--sort has sym):\n\n" \ diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index fbad8dfbb186..536ee148bff8 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -46,6 +46,7 @@ struct annotation_options annotation__default_options = { .use_offset = true, .jump_arrows = true, + .offset_level = ANNOTATION__OFFSET_JUMP_TARGETS, }; const char *disassembler_style; @@ -2512,7 +2513,8 @@ static void __annotation_line__write(struct annotation_line *al, struct annotati if (!notes->options->use_offset) { printed = scnprintf(bf, sizeof(bf), "%" PRIx64 ": ", addr); } else { - if (al->jump_sources) { + if (al->jump_sources && + notes->options->offset_level >= ANNOTATION__OFFSET_JUMP_TARGETS) { if (notes->options->show_nr_jumps) { int prev; printed = scnprintf(bf, sizeof(bf), "%*d ", @@ -2523,9 +2525,14 @@ static void __annotation_line__write(struct annotation_line *al, struct annotati obj__printf(obj, bf); obj__set_color(obj, prev); } - +print_addr: printed = scnprintf(bf, sizeof(bf), "%*" PRIx64 ": ", notes->widths.target, addr); + } else if (ins__is_call(&disasm_line(al)->ins) && + notes->options->offset_level >= ANNOTATION__OFFSET_CALL) { + goto print_addr; + } else if (notes->options->offset_level == ANNOTATION__MAX_OFFSET_LEVEL) { + goto print_addr; } else { printed = scnprintf(bf, sizeof(bf), "%-*s ", notes->widths.addr, " "); @@ -2642,10 +2649,11 @@ int __annotation__scnprintf_samples_period(struct annotation *notes, */ static struct annotation_config { const char *name; - bool *value; + void *value; } annotation__configs[] = { ANNOTATION__CFG(hide_src_code), ANNOTATION__CFG(jump_arrows), + ANNOTATION__CFG(offset_level), ANNOTATION__CFG(show_linenr), ANNOTATION__CFG(show_nr_jumps), ANNOTATION__CFG(show_nr_samples), @@ -2677,8 +2685,16 @@ static int annotation__config(const char *var, const char *value, if (cfg == NULL) pr_debug("%s variable unknown, ignoring...", var); - else - *cfg->value = perf_config_bool(name, value); + else if (strcmp(var, "annotate.offset_level") == 0) { + perf_config_int(cfg->value, name, value); + + if (*(int *)cfg->value > ANNOTATION__MAX_OFFSET_LEVEL) + *(int *)cfg->value = ANNOTATION__MAX_OFFSET_LEVEL; + else if (*(int *)cfg->value < ANNOTATION__MIN_OFFSET_LEVEL) + *(int *)cfg->value = ANNOTATION__MIN_OFFSET_LEVEL; + } else { + *(bool *)cfg->value = perf_config_bool(name, value); + } return 0; } diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index db8d09bea07e..f28a9e43421d 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -70,8 +70,17 @@ struct annotation_options { show_nr_jumps, show_nr_samples, show_total_period; + u8 offset_level; }; +enum { + ANNOTATION__OFFSET_JUMP_TARGETS = 1, + ANNOTATION__OFFSET_CALL, + ANNOTATION__MAX_OFFSET_LEVEL, +}; + +#define ANNOTATION__MIN_OFFSET_LEVEL ANNOTATION__OFFSET_JUMP_TARGETS + extern struct annotation_options annotation__default_options; struct annotation; diff --git a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c index 640af88331b4..c8b98fa22997 100644 --- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c +++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c @@ -1,6 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0 /* - * SPDX-License-Identifier: GPL-2.0 - * * Copyright(C) 2015-2018 Linaro Limited. * * Author: Tor Jeremiassen <tor@ti.com> diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c index 1b0d422373be..40020b1ca54f 100644 --- a/tools/perf/util/cs-etm.c +++ b/tools/perf/util/cs-etm.c @@ -1,6 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0 /* - * SPDX-License-Identifier: GPL-2.0 - * * Copyright(C) 2015-2018 Linaro Limited. * * Author: Tor Jeremiassen <tor@ti.com> diff --git a/tools/perf/util/cs-etm.h b/tools/perf/util/cs-etm.h index 5864d5dca616..37f8d48179ca 100644 --- a/tools/perf/util/cs-etm.h +++ b/tools/perf/util/cs-etm.h @@ -1,18 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright(C) 2015 Linaro Limited. All rights reserved. * Author: Mathieu Poirier <mathieu.poirier@linaro.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef INCLUDE__UTIL_PERF_CS_ETM_H__ diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index f0a6cbd033cc..98ff3a6a3d50 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -1421,7 +1421,9 @@ size_t perf_event__fprintf_itrace_start(union perf_event *event, FILE *fp) size_t perf_event__fprintf_switch(union perf_event *event, FILE *fp) { bool out = event->header.misc & PERF_RECORD_MISC_SWITCH_OUT; - const char *in_out = out ? "OUT" : "IN "; + const char *in_out = !out ? "IN " : + !(event->header.misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT) ? + "OUT " : "OUT preempt"; if (event->header.type == PERF_RECORD_SWITCH) return fprintf(fp, " %s\n", in_out); diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 1ac8d9236efd..3e87486c28fe 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -2870,8 +2870,7 @@ int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target, #if defined(__i386__) || defined(__x86_64__) if (evsel->attr.type == PERF_TYPE_HARDWARE) return scnprintf(msg, size, "%s", - "No hardware sampling interrupt available.\n" - "No APIC? If so then you can boot the kernel with the \"lapic\" boot parameter to force-enable it."); + "No hardware sampling interrupt available.\n"); #endif break; case EBUSY: @@ -2894,8 +2893,7 @@ int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target, return scnprintf(msg, size, "The sys_perf_event_open() syscall returned with %d (%s) for event (%s).\n" - "/bin/dmesg may provide additional information.\n" - "No CONFIG_PERF_EVENTS=y kernel support configured?", + "/bin/dmesg | grep -i perf may provide additional information.\n", err, str_error_r(err, sbuf, sizeof(sbuf)), perf_evsel__name(evsel)); } diff --git a/tools/perf/util/generate-cmdlist.sh b/tools/perf/util/generate-cmdlist.sh index ff17920a5ebc..c3cef36d4176 100755 --- a/tools/perf/util/generate-cmdlist.sh +++ b/tools/perf/util/generate-cmdlist.sh @@ -38,7 +38,7 @@ do done echo "#endif /* HAVE_LIBELF_SUPPORT */" -echo "#if defined(HAVE_LIBAUDIT_SUPPORT) || defined(HAVE_SYSCALL_TABLE)" +echo "#if defined(HAVE_LIBAUDIT_SUPPORT) || defined(HAVE_SYSCALL_TABLE_SUPPORT)" sed -n -e 's/^perf-\([^ ]*\)[ ].* audit*/\1/p' command-list.txt | sort | while read cmd diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 121df1683c36..a8bff2178fbc 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -1320,7 +1320,8 @@ static int build_mem_topology(struct memory_node *nodes, u64 size, u64 *cntp) dir = opendir(path); if (!dir) { - pr_warning("failed: can't open node sysfs data\n"); + pr_debug2("%s: could't read %s, does this arch have topology information?\n", + __func__, path); return -1; } diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 064bdcb7bd78..61a5e5027338 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -562,6 +562,12 @@ static int is_pmu_core(const char *name) if (stat(path, &st) == 0) return 1; + /* Look for cpu sysfs (specific to s390) */ + scnprintf(path, PATH_MAX, "%s/bus/event_source/devices/%s", + sysfs, name); + if (stat(path, &st) == 0 && !strncmp(name, "cpum_", 5)) + return 1; + return 0; } diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 62b2dd2253eb..1466814ebada 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -2091,16 +2091,14 @@ static bool symbol__read_kptr_restrict(void) int symbol__annotation_init(void) { + if (symbol_conf.init_annotation) + return 0; + if (symbol_conf.initialized) { pr_err("Annotation needs to be init before symbol__init()\n"); return -1; } - if (symbol_conf.init_annotation) { - pr_warning("Annotation being initialized multiple times\n"); - return 0; - } - symbol_conf.priv_size += sizeof(struct annotation); symbol_conf.init_annotation = true; return 0; diff --git a/tools/perf/util/syscalltbl.c b/tools/perf/util/syscalltbl.c index 895122d638dd..0ee7f568d60c 100644 --- a/tools/perf/util/syscalltbl.c +++ b/tools/perf/util/syscalltbl.c @@ -17,7 +17,7 @@ #include <stdlib.h> #include <linux/compiler.h> -#ifdef HAVE_SYSCALL_TABLE +#ifdef HAVE_SYSCALL_TABLE_SUPPORT #include <string.h> #include "string2.h" #include "util.h" @@ -139,7 +139,7 @@ int syscalltbl__strglobmatch_first(struct syscalltbl *tbl, const char *syscall_g return syscalltbl__strglobmatch_next(tbl, syscall_glob, idx); } -#else /* HAVE_SYSCALL_TABLE */ +#else /* HAVE_SYSCALL_TABLE_SUPPORT */ #include <libaudit.h> @@ -176,4 +176,4 @@ int syscalltbl__strglobmatch_first(struct syscalltbl *tbl, const char *syscall_g { return syscalltbl__strglobmatch_next(tbl, syscall_glob, idx); } -#endif /* HAVE_SYSCALL_TABLE */ +#endif /* HAVE_SYSCALL_TABLE_SUPPORT */ diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c index 0ac9077f62a2..b1e5c3a2b8e3 100644 --- a/tools/perf/util/trace-event-scripting.c +++ b/tools/perf/util/trace-event-scripting.c @@ -98,7 +98,7 @@ static void register_python_scripting(struct scripting_ops *scripting_ops) } } -#ifdef NO_LIBPYTHON +#ifndef HAVE_LIBPYTHON_SUPPORT void setup_python_scripting(void) { register_python_scripting(&python_scripting_unsupported_ops); @@ -161,7 +161,7 @@ static void register_perl_scripting(struct scripting_ops *scripting_ops) } } -#ifdef NO_LIBPERL +#ifndef HAVE_LIBPERL_SUPPORT void setup_perl_scripting(void) { register_perl_scripting(&perl_scripting_unsupported_ops); diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c index cb166be4918d..4ea385be528f 100644 --- a/tools/testing/nvdimm/test/nfit.c +++ b/tools/testing/nvdimm/test/nfit.c @@ -138,6 +138,7 @@ static u32 handle[] = { }; static unsigned long dimm_fail_cmd_flags[NUM_DCR]; +static int dimm_fail_cmd_code[NUM_DCR]; struct nfit_test_fw { enum intel_fw_update_state state; @@ -892,8 +893,11 @@ static int get_dimm(struct nfit_mem *nfit_mem, unsigned int func) if (i >= ARRAY_SIZE(handle)) return -ENXIO; - if ((1 << func) & dimm_fail_cmd_flags[i]) + if ((1 << func) & dimm_fail_cmd_flags[i]) { + if (dimm_fail_cmd_code[i]) + return dimm_fail_cmd_code[i]; return -EIO; + } return i; } @@ -1162,12 +1166,12 @@ static int ars_state_init(struct device *dev, struct ars_state *ars_state) static void put_dimms(void *data) { - struct device **dimm_dev = data; + struct nfit_test *t = data; int i; - for (i = 0; i < NUM_DCR; i++) - if (dimm_dev[i]) - device_unregister(dimm_dev[i]); + for (i = 0; i < t->num_dcr; i++) + if (t->dimm_dev[i]) + device_unregister(t->dimm_dev[i]); } static struct class *nfit_test_dimm; @@ -1176,13 +1180,11 @@ static int dimm_name_to_id(struct device *dev) { int dimm; - if (sscanf(dev_name(dev), "test_dimm%d", &dimm) != 1 - || dimm >= NUM_DCR || dimm < 0) + if (sscanf(dev_name(dev), "test_dimm%d", &dimm) != 1) return -ENXIO; return dimm; } - static ssize_t handle_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -1191,7 +1193,7 @@ static ssize_t handle_show(struct device *dev, struct device_attribute *attr, if (dimm < 0) return dimm; - return sprintf(buf, "%#x", handle[dimm]); + return sprintf(buf, "%#x\n", handle[dimm]); } DEVICE_ATTR_RO(handle); @@ -1225,8 +1227,39 @@ static ssize_t fail_cmd_store(struct device *dev, struct device_attribute *attr, } static DEVICE_ATTR_RW(fail_cmd); +static ssize_t fail_cmd_code_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + int dimm = dimm_name_to_id(dev); + + if (dimm < 0) + return dimm; + + return sprintf(buf, "%d\n", dimm_fail_cmd_code[dimm]); +} + +static ssize_t fail_cmd_code_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t size) +{ + int dimm = dimm_name_to_id(dev); + unsigned long val; + ssize_t rc; + + if (dimm < 0) + return dimm; + + rc = kstrtol(buf, 0, &val); + if (rc) + return rc; + + dimm_fail_cmd_code[dimm] = val; + return size; +} +static DEVICE_ATTR_RW(fail_cmd_code); + static struct attribute *nfit_test_dimm_attributes[] = { &dev_attr_fail_cmd.attr, + &dev_attr_fail_cmd_code.attr, &dev_attr_handle.attr, NULL, }; @@ -1240,6 +1273,23 @@ static const struct attribute_group *nfit_test_dimm_attribute_groups[] = { NULL, }; +static int nfit_test_dimm_init(struct nfit_test *t) +{ + int i; + + if (devm_add_action_or_reset(&t->pdev.dev, put_dimms, t)) + return -ENOMEM; + for (i = 0; i < t->num_dcr; i++) { + t->dimm_dev[i] = device_create_with_groups(nfit_test_dimm, + &t->pdev.dev, 0, NULL, + nfit_test_dimm_attribute_groups, + "test_dimm%d", i + t->dcr_idx); + if (!t->dimm_dev[i]) + return -ENOMEM; + } + return 0; +} + static void smart_init(struct nfit_test *t) { int i; @@ -1335,17 +1385,8 @@ static int nfit_test0_alloc(struct nfit_test *t) if (!t->_fit) return -ENOMEM; - if (devm_add_action_or_reset(&t->pdev.dev, put_dimms, t->dimm_dev)) + if (nfit_test_dimm_init(t)) return -ENOMEM; - for (i = 0; i < NUM_DCR; i++) { - t->dimm_dev[i] = device_create_with_groups(nfit_test_dimm, - &t->pdev.dev, 0, NULL, - nfit_test_dimm_attribute_groups, - "test_dimm%d", i); - if (!t->dimm_dev[i]) - return -ENOMEM; - } - smart_init(t); return ars_state_init(&t->pdev.dev, &t->ars_state); } @@ -1377,6 +1418,8 @@ static int nfit_test1_alloc(struct nfit_test *t) if (!t->spa_set[1]) return -ENOMEM; + if (nfit_test_dimm_init(t)) + return -ENOMEM; smart_init(t); return ars_state_init(&t->pdev.dev, &t->ars_state); } @@ -2222,6 +2265,9 @@ static void nfit_test1_setup(struct nfit_test *t) set_bit(ND_CMD_ARS_STATUS, &acpi_desc->bus_cmd_force_en); set_bit(ND_CMD_CLEAR_ERROR, &acpi_desc->bus_cmd_force_en); set_bit(ND_INTEL_ENABLE_LSS_STATUS, &acpi_desc->dimm_cmd_force_en); + set_bit(ND_CMD_GET_CONFIG_SIZE, &acpi_desc->dimm_cmd_force_en); + set_bit(ND_CMD_GET_CONFIG_DATA, &acpi_desc->dimm_cmd_force_en); + set_bit(ND_CMD_SET_CONFIG_DATA, &acpi_desc->dimm_cmd_force_en); } static int nfit_test_blk_do_io(struct nd_blk_region *ndbr, resource_size_t dpa, diff --git a/tools/testing/selftests/filesystems/Makefile b/tools/testing/selftests/filesystems/Makefile index 4e6d09fb166f..5c7d7001ad37 100644 --- a/tools/testing/selftests/filesystems/Makefile +++ b/tools/testing/selftests/filesystems/Makefile @@ -1,8 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 -TEST_PROGS := dnotify_test devpts_pts -all: $(TEST_PROGS) -include ../lib.mk +TEST_GEN_PROGS := devpts_pts +TEST_GEN_PROGS_EXTENDED := dnotify_test -clean: - rm -fr $(TEST_PROGS) +include ../lib.mk |