diff options
114 files changed, 571 insertions, 878 deletions
diff --git a/Documentation/core-api/idr.rst b/Documentation/core-api/idr.rst index d351e880a2f6..a2738050c4f0 100644 --- a/Documentation/core-api/idr.rst +++ b/Documentation/core-api/idr.rst @@ -1,4 +1,4 @@ -.. SPDX-License-Identifier: CC-BY-SA-4.0 +.. 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For the -avoidance of doubt, this paragraph does not form part of the public -licenses. - -Creative Commons may be contacted at creativecommons.org. diff --git a/MAINTAINERS b/MAINTAINERS index a3e46109ceb2..e0eb8ec08789 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -10161,7 +10161,6 @@ L: netdev@vger.kernel.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec.git T: git git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next.git S: Maintained -F: net/core/flow.c F: net/xfrm/ F: net/key/ F: net/ipv4/xfrm* @@ -13101,7 +13100,7 @@ SELINUX SECURITY MODULE M: Paul Moore <paul@paul-moore.com> M: Stephen Smalley <sds@tycho.nsa.gov> M: Eric Paris <eparis@parisplace.org> -L: selinux@tycho.nsa.gov (moderated for non-subscribers) +L: selinux@vger.kernel.org W: https://selinuxproject.org W: https://github.com/SELinuxProject T: git git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux.git @@ -2,7 +2,7 @@ VERSION = 4 PATCHLEVEL = 19 SUBLEVEL = 0 -EXTRAVERSION = -rc7 +EXTRAVERSION = -rc8 NAME = Merciless Moray # *DOCUMENTATION* diff --git a/arch/arm/kvm/coproc.c b/arch/arm/kvm/coproc.c index 450c7a4fbc8a..cb094e55dc5f 100644 --- a/arch/arm/kvm/coproc.c +++ b/arch/arm/kvm/coproc.c @@ -478,15 +478,15 @@ static const struct coproc_reg cp15_regs[] = { /* ICC_SGI1R */ { CRm64(12), Op1( 0), is64, access_gic_sgi}, - /* ICC_ASGI1R */ - { CRm64(12), Op1( 1), is64, access_gic_sgi}, - /* ICC_SGI0R */ - { CRm64(12), Op1( 2), is64, access_gic_sgi}, /* VBAR: swapped by interrupt.S. */ { CRn(12), CRm( 0), Op1( 0), Op2( 0), is32, NULL, reset_val, c12_VBAR, 0x00000000 }, + /* ICC_ASGI1R */ + { CRm64(12), Op1( 1), is64, access_gic_sgi}, + /* ICC_SGI0R */ + { CRm64(12), Op1( 2), is64, access_gic_sgi}, /* ICC_SRE */ { CRn(12), CRm(12), Op1( 0), Op2(5), is32, access_gic_sre }, diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c index 8e38d5267f22..e213f8e867f6 100644 --- a/arch/arm64/kernel/perf_event.c +++ b/arch/arm64/kernel/perf_event.c @@ -966,6 +966,12 @@ static int armv8pmu_set_event_filter(struct hw_perf_event *event, return 0; } +static int armv8pmu_filter_match(struct perf_event *event) +{ + unsigned long evtype = event->hw.config_base & ARMV8_PMU_EVTYPE_EVENT; + return evtype != ARMV8_PMUV3_PERFCTR_CHAIN; +} + static void armv8pmu_reset(void *info) { struct arm_pmu *cpu_pmu = (struct arm_pmu *)info; @@ -1114,6 +1120,7 @@ static int armv8_pmu_init(struct arm_pmu *cpu_pmu) cpu_pmu->stop = armv8pmu_stop, cpu_pmu->reset = armv8pmu_reset, cpu_pmu->set_event_filter = armv8pmu_set_event_filter; + cpu_pmu->filter_match = armv8pmu_filter_match; return 0; } diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 5b4fac434c84..b3354ff94e79 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -64,6 +64,9 @@ #include <asm/xen/hypervisor.h> #include <asm/mmu_context.h> +static int num_standard_resources; +static struct resource *standard_resources; + phys_addr_t __fdt_pointer __initdata; /* @@ -206,14 +209,19 @@ static void __init request_standard_resources(void) { struct memblock_region *region; struct resource *res; + unsigned long i = 0; kernel_code.start = __pa_symbol(_text); kernel_code.end = __pa_symbol(__init_begin - 1); kernel_data.start = __pa_symbol(_sdata); kernel_data.end = __pa_symbol(_end - 1); + num_standard_resources = memblock.memory.cnt; + standard_resources = alloc_bootmem_low(num_standard_resources * + sizeof(*standard_resources)); + for_each_memblock(memory, region) { - res = alloc_bootmem_low(sizeof(*res)); + res = &standard_resources[i++]; if (memblock_is_nomap(region)) { res->name = "reserved"; res->flags = IORESOURCE_MEM; @@ -243,36 +251,26 @@ static void __init request_standard_resources(void) static int __init reserve_memblock_reserved_regions(void) { - phys_addr_t start, end, roundup_end = 0; - struct resource *mem, *res; - u64 i; - - for_each_reserved_mem_region(i, &start, &end) { - if (end <= roundup_end) - continue; /* done already */ - - start = __pfn_to_phys(PFN_DOWN(start)); - end = __pfn_to_phys(PFN_UP(end)) - 1; - roundup_end = end; - - res = kzalloc(sizeof(*res), GFP_ATOMIC); - if (WARN_ON(!res)) - return -ENOMEM; - res->start = start; - res->end = end; - res->name = "reserved"; - res->flags = IORESOURCE_MEM; - - mem = request_resource_conflict(&iomem_resource, res); - /* - * We expected memblock_reserve() regions to conflict with - * memory created by request_standard_resources(). - */ - if (WARN_ON_ONCE(!mem)) + u64 i, j; + + for (i = 0; i < num_standard_resources; ++i) { + struct resource *mem = &standard_resources[i]; + phys_addr_t r_start, r_end, mem_size = resource_size(mem); + + if (!memblock_is_region_reserved(mem->start, mem_size)) continue; - kfree(res); - reserve_region_with_split(mem, start, end, "reserved"); + for_each_reserved_mem_region(j, &r_start, &r_end) { + resource_size_t start, end; + + start = max(PFN_PHYS(PFN_DOWN(r_start)), mem->start); + end = min(PFN_PHYS(PFN_UP(r_end)) - 1, mem->end); + + if (start > mem->end || end < mem->start) + continue; + + reserve_region_with_split(mem, start, end, "reserved"); + } } return 0; diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c index f329b466e68f..2d14f17838d2 100644 --- a/arch/parisc/kernel/unwind.c +++ b/arch/parisc/kernel/unwind.c @@ -426,7 +426,7 @@ void unwind_frame_init_task(struct unwind_frame_info *info, r.gr[30] = get_parisc_stackpointer(); regs = &r; } - unwind_frame_init(info, task, &r); + unwind_frame_init(info, task, regs); } else { unwind_frame_init_from_blocked_task(info, task); } diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index 2fdc865ca374..2a2486526d1f 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -114,7 +114,7 @@ */ #define _HPAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \ _PAGE_ACCESSED | H_PAGE_THP_HUGE | _PAGE_PTE | \ - _PAGE_SOFT_DIRTY) + _PAGE_SOFT_DIRTY | _PAGE_DEVMAP) /* * user access blocked by key */ @@ -132,7 +132,7 @@ */ #define _PAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \ _PAGE_ACCESSED | _PAGE_SPECIAL | _PAGE_PTE | \ - _PAGE_SOFT_DIRTY) + _PAGE_SOFT_DIRTY | _PAGE_DEVMAP) #define H_PTE_PKEY (H_PTE_PKEY_BIT0 | H_PTE_PKEY_BIT1 | H_PTE_PKEY_BIT2 | \ H_PTE_PKEY_BIT3 | H_PTE_PKEY_BIT4) diff --git a/arch/sparc/include/asm/cpudata_64.h b/arch/sparc/include/asm/cpudata_64.h index 666d6b5c0440..9c3fc03abe9a 100644 --- a/arch/sparc/include/asm/cpudata_64.h +++ b/arch/sparc/include/asm/cpudata_64.h @@ -28,7 +28,7 @@ typedef struct { unsigned short sock_id; /* physical package */ unsigned short core_id; unsigned short max_cache_id; /* groupings of highest shared cache */ - unsigned short proc_id; /* strand (aka HW thread) id */ + signed short proc_id; /* strand (aka HW thread) id */ } cpuinfo_sparc; DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data); diff --git a/arch/sparc/include/uapi/asm/unistd.h b/arch/sparc/include/uapi/asm/unistd.h index 09acf0ddec10..45b4bf1875e6 100644 --- a/arch/sparc/include/uapi/asm/unistd.h +++ b/arch/sparc/include/uapi/asm/unistd.h @@ -427,8 +427,9 @@ #define __NR_preadv2 358 #define __NR_pwritev2 359 #define __NR_statx 360 +#define __NR_io_pgetevents 361 -#define NR_syscalls 361 +#define NR_syscalls 362 /* Bitmask values returned from kern_features system call. */ #define KERN_FEATURE_MIXED_MODE_STACK 0x00000001 diff --git a/arch/sparc/kernel/auxio_64.c b/arch/sparc/kernel/auxio_64.c index cc42225c20f3..4e8f56c3793c 100644 --- a/arch/sparc/kernel/auxio_64.c +++ b/arch/sparc/kernel/auxio_64.c @@ -115,8 +115,8 @@ static int auxio_probe(struct platform_device *dev) auxio_devtype = AUXIO_TYPE_SBUS; size = 1; } else { - printk("auxio: Unknown parent bus type [%pOFn]\n", - dp->parent); + printk("auxio: Unknown parent bus type [%s]\n", + dp->parent->name); return -ENODEV; } auxio_register = of_ioremap(&dev->resource[0], 0, size, "auxio"); diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c index d3149baaa33c..67b3e6b3ce5d 100644 --- a/arch/sparc/kernel/perf_event.c +++ b/arch/sparc/kernel/perf_event.c @@ -24,6 +24,7 @@ #include <asm/cpudata.h> #include <linux/uaccess.h> #include <linux/atomic.h> +#include <linux/sched/clock.h> #include <asm/nmi.h> #include <asm/pcr.h> #include <asm/cacheflush.h> @@ -927,6 +928,8 @@ static void read_in_all_counters(struct cpu_hw_events *cpuc) sparc_perf_event_update(cp, &cp->hw, cpuc->current_idx[i]); cpuc->current_idx[i] = PIC_NO_INDEX; + if (cp->hw.state & PERF_HES_STOPPED) + cp->hw.state |= PERF_HES_ARCH; } } } @@ -959,10 +962,12 @@ static void calculate_single_pcr(struct cpu_hw_events *cpuc) enc = perf_event_get_enc(cpuc->events[i]); cpuc->pcr[0] &= ~mask_for_index(idx); - if (hwc->state & PERF_HES_STOPPED) + if (hwc->state & PERF_HES_ARCH) { cpuc->pcr[0] |= nop_for_index(idx); - else + } else { cpuc->pcr[0] |= event_encoding(enc, idx); + hwc->state = 0; + } } out: cpuc->pcr[0] |= cpuc->event[0]->hw.config_base; @@ -988,6 +993,9 @@ static void calculate_multiple_pcrs(struct cpu_hw_events *cpuc) cpuc->current_idx[i] = idx; + if (cp->hw.state & PERF_HES_ARCH) + continue; + sparc_pmu_start(cp, PERF_EF_RELOAD); } out: @@ -1079,6 +1087,8 @@ static void sparc_pmu_start(struct perf_event *event, int flags) event->hw.state = 0; sparc_pmu_enable_event(cpuc, &event->hw, idx); + + perf_event_update_userpage(event); } static void sparc_pmu_stop(struct perf_event *event, int flags) @@ -1371,9 +1381,9 @@ static int sparc_pmu_add(struct perf_event *event, int ef_flags) cpuc->events[n0] = event->hw.event_base; cpuc->current_idx[n0] = PIC_NO_INDEX; - event->hw.state = PERF_HES_UPTODATE; + event->hw.state = PERF_HES_UPTODATE | PERF_HES_STOPPED; if (!(ef_flags & PERF_EF_START)) - event->hw.state |= PERF_HES_STOPPED; + event->hw.state |= PERF_HES_ARCH; /* * If group events scheduling transaction was started, @@ -1603,6 +1613,8 @@ static int __kprobes perf_event_nmi_handler(struct notifier_block *self, struct perf_sample_data data; struct cpu_hw_events *cpuc; struct pt_regs *regs; + u64 finish_clock; + u64 start_clock; int i; if (!atomic_read(&active_events)) @@ -1616,6 +1628,8 @@ static int __kprobes perf_event_nmi_handler(struct notifier_block *self, return NOTIFY_DONE; } + start_clock = sched_clock(); + regs = args->regs; cpuc = this_cpu_ptr(&cpu_hw_events); @@ -1654,6 +1668,10 @@ static int __kprobes perf_event_nmi_handler(struct notifier_block *self, sparc_pmu_stop(event, 0); } + finish_clock = sched_clock(); + + perf_sample_event_took(finish_clock - start_clock); + return NOTIFY_STOP; } diff --git a/arch/sparc/kernel/power.c b/arch/sparc/kernel/power.c index d941875dd718..92627abce311 100644 --- a/arch/sparc/kernel/power.c +++ b/arch/sparc/kernel/power.c @@ -41,8 +41,8 @@ static int power_probe(struct platform_device *op) power_reg = of_ioremap(res, 0, 0x4, "power"); - printk(KERN_INFO "%pOFn: Control reg at %llx\n", - op->dev.of_node, res->start); + printk(KERN_INFO "%s: Control reg at %llx\n", + op->dev.of_node->name, res->start); if (has_button_interrupt(irq, op->dev.of_node)) { if (request_irq(irq, diff --git a/arch/sparc/kernel/prom_32.c b/arch/sparc/kernel/prom_32.c index 17c87d29ff20..b51cbb9e87dc 100644 --- a/arch/sparc/kernel/prom_32.c +++ b/arch/sparc/kernel/prom_32.c @@ -68,8 +68,8 @@ static void __init sparc32_path_component(struct device_node *dp, char *tmp_buf) return; regs = rprop->value; - sprintf(tmp_buf, "%pOFn@%x,%x", - dp, + sprintf(tmp_buf, "%s@%x,%x", + dp->name, regs->which_io, regs->phys_addr); } @@ -84,8 +84,8 @@ static void __init sbus_path_component(struct device_node *dp, char *tmp_buf) return; regs = prop->value; - sprintf(tmp_buf, "%pOFn@%x,%x", - dp, + sprintf(tmp_buf, "%s@%x,%x", + dp->name, regs->which_io, regs->phys_addr); } @@ -104,13 +104,13 @@ static void __init pci_path_component(struct device_node *dp, char *tmp_buf) regs = prop->value; devfn = (regs->phys_hi >> 8) & 0xff; if (devfn & 0x07) { - sprintf(tmp_buf, "%pOFn@%x,%x", - dp, + sprintf(tmp_buf, "%s@%x,%x", + dp->name, devfn >> 3, devfn & 0x07); } else { - sprintf(tmp_buf, "%pOFn@%x", - dp, + sprintf(tmp_buf, "%s@%x", + dp->name, devfn >> 3); } } @@ -127,8 +127,8 @@ static void __init ebus_path_component(struct device_node *dp, char *tmp_buf) regs = prop->value; - sprintf(tmp_buf, "%pOFn@%x,%x", - dp, + sprintf(tmp_buf, "%s@%x,%x", + dp->name, regs->which_io, regs->phys_addr); } @@ -167,8 +167,8 @@ static void __init ambapp_path_component(struct device_node *dp, char *tmp_buf) return; device = prop->value; - sprintf(tmp_buf, "%pOFn:%d:%d@%x,%x", - dp, *vendor, *device, + sprintf(tmp_buf, "%s:%d:%d@%x,%x", + dp->name, *vendor, *device, *intr, reg0); } @@ -201,7 +201,7 @@ char * __init build_path_component(struct device_node *dp) tmp_buf[0] = '\0'; __build_path_component(dp, tmp_buf); if (tmp_buf[0] == '\0') - snprintf(tmp_buf, sizeof(tmp_buf), "%pOFn", dp); + strcpy(tmp_buf, dp->name); n = prom_early_alloc(strlen(tmp_buf) + 1); strcpy(n, tmp_buf); diff --git a/arch/sparc/kernel/prom_64.c b/arch/sparc/kernel/prom_64.c index 6220411ce8fc..baeaeed64993 100644 --- a/arch/sparc/kernel/prom_64.c +++ b/arch/sparc/kernel/prom_64.c @@ -82,8 +82,8 @@ static void __init sun4v_path_component(struct device_node *dp, char *tmp_buf) regs = rprop->value; if (!of_node_is_root(dp->parent)) { - sprintf(tmp_buf, "%pOFn@%x,%x", - dp, + sprintf(tmp_buf, "%s@%x,%x", + dp->name, (unsigned int) (regs->phys_addr >> 32UL), (unsigned int) (regs->phys_addr & 0xffffffffUL)); return; @@ -97,17 +97,17 @@ static void __init sun4v_path_component(struct device_node *dp, char *tmp_buf) const char *prefix = (type == 0) ? "m" : "i"; if (low_bits) - sprintf(tmp_buf, "%pOFn@%s%x,%x", - dp, prefix, + sprintf(tmp_buf, "%s@%s%x,%x", + dp->name, prefix, high_bits, low_bits); else - sprintf(tmp_buf, "%pOFn@%s%x", - dp, + sprintf(tmp_buf, "%s@%s%x", + dp->name, prefix, high_bits); } else if (type == 12) { - sprintf(tmp_buf, "%pOFn@%x", - dp, high_bits); + sprintf(tmp_buf, "%s@%x", + dp->name, high_bits); } } @@ -122,8 +122,8 @@ static void __init sun4u_path_component(struct device_node *dp, char *tmp_buf) regs = prop->value; if (!of_node_is_root(dp->parent)) { - sprintf(tmp_buf, "%pOFn@%x,%x", - dp, + sprintf(tmp_buf, "%s@%x,%x", + dp->name, (unsigned int) (regs->phys_addr >> 32UL), (unsigned int) (regs->phys_addr & 0xffffffffUL)); return; @@ -138,8 +138,8 @@ static void __init sun4u_path_component(struct device_node *dp, char *tmp_buf) if (tlb_type >= cheetah) mask = 0x7fffff; - sprintf(tmp_buf, "%pOFn@%x,%x", - dp, + sprintf(tmp_buf, "%s@%x,%x", + dp->name, *(u32 *)prop->value, (unsigned int) (regs->phys_addr & mask)); } @@ -156,8 +156,8 @@ static void __init sbus_path_component(struct device_node *dp, char *tmp_buf) return; regs = prop->value; - sprintf(tmp_buf, "%pOFn@%x,%x", - dp, + sprintf(tmp_buf, "%s@%x,%x", + dp->name, regs->which_io, regs->phys_addr); } @@ -176,13 +176,13 @@ static void __init pci_path_component(struct device_node *dp, char *tmp_buf) regs = prop->value; devfn = (regs->phys_hi >> 8) & 0xff; if (devfn & 0x07) { - sprintf(tmp_buf, "%pOFn@%x,%x", - dp, + sprintf(tmp_buf, "%s@%x,%x", + dp->name, devfn >> 3, devfn & 0x07); } else { - sprintf(tmp_buf, "%pOFn@%x", - dp, + sprintf(tmp_buf, "%s@%x", + dp->name, devfn >> 3); } } @@ -203,8 +203,8 @@ static void __init upa_path_component(struct device_node *dp, char *tmp_buf) if (!prop) return; - sprintf(tmp_buf, "%pOFn@%x,%x", - dp, + sprintf(tmp_buf, "%s@%x,%x", + dp->name, *(u32 *) prop->value, (unsigned int) (regs->phys_addr & 0xffffffffUL)); } @@ -221,7 +221,7 @@ static void __init vdev_path_component(struct device_node *dp, char *tmp_buf) regs = prop->value; - sprintf(tmp_buf, "%pOFn@%x", dp, *regs); + sprintf(tmp_buf, "%s@%x", dp->name, *regs); } /* "name@addrhi,addrlo" */ @@ -236,8 +236,8 @@ static void __init ebus_path_component(struct device_node *dp, char *tmp_buf) regs = prop->value; - sprintf(tmp_buf, "%pOFn@%x,%x", - dp, + sprintf(tmp_buf, "%s@%x,%x", + dp->name, (unsigned int) (regs->phys_addr >> 32UL), (unsigned int) (regs->phys_addr & 0xffffffffUL)); } @@ -257,8 +257,8 @@ static void __init i2c_path_component(struct device_node *dp, char *tmp_buf) /* This actually isn't right... should look at the #address-cells * property of the i2c bus node etc. etc. */ - sprintf(tmp_buf, "%pOFn@%x,%x", - dp, regs[0], regs[1]); + sprintf(tmp_buf, "%s@%x,%x", + dp->name, regs[0], regs[1]); } /* "name@reg0[,reg1]" */ @@ -274,11 +274,11 @@ static void __init usb_path_component(struct device_node *dp, char *tmp_buf) regs = prop->value; if (prop->length == sizeof(u32) || regs[1] == 1) { - sprintf(tmp_buf, "%pOFn@%x", - dp, regs[0]); + sprintf(tmp_buf, "%s@%x", + dp->name, regs[0]); } else { - sprintf(tmp_buf, "%pOFn@%x,%x", - dp, regs[0], regs[1]); + sprintf(tmp_buf, "%s@%x,%x", + dp->name, regs[0], regs[1]); } } @@ -295,11 +295,11 @@ static void __init ieee1394_path_component(struct device_node *dp, char *tmp_buf regs = prop->value; if (regs[2] || regs[3]) { - sprintf(tmp_buf, "%pOFn@%08x%08x,%04x%08x", - dp, regs[0], regs[1], regs[2], regs[3]); + sprintf(tmp_buf, "%s@%08x%08x,%04x%08x", + dp->name, regs[0], regs[1], regs[2], regs[3]); } else { - sprintf(tmp_buf, "%pOFn@%08x%08x", - dp, regs[0], regs[1]); + sprintf(tmp_buf, "%s@%08x%08x", + dp->name, regs[0], regs[1]); } } @@ -361,7 +361,7 @@ char * __init build_path_component(struct device_node *dp) tmp_buf[0] = '\0'; __build_path_component(dp, tmp_buf); if (tmp_buf[0] == '\0') - snprintf(tmp_buf, sizeof(tmp_buf), "%pOFn", dp); + strcpy(tmp_buf, dp->name); n = prom_early_alloc(strlen(tmp_buf) + 1); strcpy(n, tmp_buf); diff --git a/arch/sparc/kernel/rtrap_64.S b/arch/sparc/kernel/rtrap_64.S index f6528884a2c8..4073e2b87dd0 100644 --- a/arch/sparc/kernel/rtrap_64.S +++ b/arch/sparc/kernel/rtrap_64.S @@ -84,8 +84,9 @@ __handle_signal: ldx [%sp + PTREGS_OFF + PT_V9_TSTATE], %l1 sethi %hi(0xf << 20), %l4 and %l1, %l4, %l4 + andn %l1, %l4, %l1 ba,pt %xcc, __handle_preemption_continue - andn %l1, %l4, %l1 + srl %l4, 20, %l4 /* When returning from a NMI (%pil==15) interrupt we want to * avoid running softirqs, doing IRQ tracing, preempting, etc. diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S index 12bee14b552c..621a363098ec 100644 --- a/arch/sparc/kernel/systbls_32.S +++ b/arch/sparc/kernel/systbls_32.S @@ -90,4 +90,4 @@ sys_call_table: /*345*/ .long sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf /*350*/ .long sys_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen /*355*/ .long sys_setsockopt, sys_mlock2, sys_copy_file_range, sys_preadv2, sys_pwritev2 -/*360*/ .long sys_statx +/*360*/ .long sys_statx, sys_io_pgetevents diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index 387ef993880a..bb68c805b891 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -91,7 +91,7 @@ sys_call_table32: .word sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf /*350*/ .word sys32_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen .word compat_sys_setsockopt, sys_mlock2, sys_copy_file_range, compat_sys_preadv2, compat_sys_pwritev2 -/*360*/ .word sys_statx +/*360*/ .word sys_statx, compat_sys_io_pgetevents #endif /* CONFIG_COMPAT */ @@ -173,4 +173,4 @@ sys_call_table: .word sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf /*350*/ .word sys64_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen .word sys_setsockopt, sys_mlock2, sys_copy_file_range, sys_preadv2, sys_pwritev2 -/*360*/ .word sys_statx +/*360*/ .word sys_statx, sys_io_pgetevents diff --git a/arch/sparc/vdso/vclock_gettime.c b/arch/sparc/vdso/vclock_gettime.c index 3feb3d960ca5..75dca9aab737 100644 --- a/arch/sparc/vdso/vclock_gettime.c +++ b/arch/sparc/vdso/vclock_gettime.c @@ -33,9 +33,19 @@ #define TICK_PRIV_BIT (1ULL << 63) #endif +#ifdef CONFIG_SPARC64 #define SYSCALL_STRING \ "ta 0x6d;" \ - "sub %%g0, %%o0, %%o0;" \ + "bcs,a 1f;" \ + " sub %%g0, %%o0, %%o0;" \ + "1:" +#else +#define SYSCALL_STRING \ + "ta 0x10;" \ + "bcs,a 1f;" \ + " sub %%g0, %%o0, %%o0;" \ + "1:" +#endif #define SYSCALL_CLOBBERS \ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \ diff --git a/arch/sparc/vdso/vma.c b/arch/sparc/vdso/vma.c index f51595f861b8..5eaff3c1aa0c 100644 --- a/arch/sparc/vdso/vma.c +++ b/arch/sparc/vdso/vma.c @@ -262,7 +262,9 @@ static __init int vdso_setup(char *s) unsigned long val; err = kstrtoul(s, 10, &val); + if (err) + return err; vdso_enabled = val; - return err; + return 0; } __setup("vdso=", vdso_setup); diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h index b64acb08a62b..106b7d0e2dae 100644 --- a/arch/x86/include/asm/pgtable_types.h +++ b/arch/x86/include/asm/pgtable_types.h @@ -124,7 +124,7 @@ */ #define _PAGE_CHG_MASK (PTE_PFN_MASK | _PAGE_PCD | _PAGE_PWT | \ _PAGE_SPECIAL | _PAGE_ACCESSED | _PAGE_DIRTY | \ - _PAGE_SOFT_DIRTY) + _PAGE_SOFT_DIRTY | _PAGE_DEVMAP) #define _HPAGE_CHG_MASK (_PAGE_CHG_MASK | _PAGE_PSE) /* diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index d96092b35936..61ccfb13899e 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -436,14 +436,18 @@ static inline struct kvm_svm *to_kvm_svm(struct kvm *kvm) static inline bool svm_sev_enabled(void) { - return max_sev_asid; + return IS_ENABLED(CONFIG_KVM_AMD_SEV) ? max_sev_asid : 0; } static inline bool sev_guest(struct kvm *kvm) { +#ifdef CONFIG_KVM_AMD_SEV struct kvm_sev_info *sev = &to_kvm_svm(kvm)->sev_info; return sev->active; +#else + return false; +#endif } static inline int sev_get_asid(struct kvm *kvm) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 612fd17be635..e665aa7167cf 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1572,8 +1572,12 @@ static int vmx_hv_remote_flush_tlb(struct kvm *kvm) goto out; } + /* + * FLUSH_GUEST_PHYSICAL_ADDRESS_SPACE hypercall needs the address of the + * base of EPT PML4 table, strip off EPT configuration information. + */ ret = hyperv_flush_guest_mapping( - to_vmx(kvm_get_vcpu(kvm, 0))->ept_pointer); + to_vmx(kvm_get_vcpu(kvm, 0))->ept_pointer & PAGE_MASK); out: spin_unlock(&to_kvm_vmx(kvm)->ept_pointer_lock); diff --git a/block/blk-wbt.c b/block/blk-wbt.c index 8e20a0677dcf..8ac93fcbaa2e 100644 --- a/block/blk-wbt.c +++ b/block/blk-wbt.c @@ -310,6 +310,7 @@ static void scale_up(struct rq_wb *rwb) rq_depth_scale_up(&rwb->rq_depth); calc_wb_limits(rwb); rwb->unknown_cnt = 0; + rwb_wake_all(rwb); rwb_trace_step(rwb, "scale up"); } @@ -318,7 +319,6 @@ static void scale_down(struct rq_wb *rwb, bool hard_throttle) rq_depth_scale_down(&rwb->rq_depth, hard_throttle); calc_wb_limits(rwb); rwb->unknown_cnt = 0; - rwb_wake_all(rwb); rwb_trace_step(rwb, "scale down"); } diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c index 5ca56bfae63c..f68e9baffad7 100644 --- a/drivers/block/sunvdc.c +++ b/drivers/block/sunvdc.c @@ -36,6 +36,10 @@ MODULE_VERSION(DRV_MODULE_VERSION); #define VDC_TX_RING_SIZE 512 #define VDC_DEFAULT_BLK_SIZE 512 +#define MAX_XFER_BLKS (128 * 1024) +#define MAX_XFER_SIZE (MAX_XFER_BLKS / VDC_DEFAULT_BLK_SIZE) +#define MAX_RING_COOKIES ((MAX_XFER_BLKS / PAGE_SIZE) + 2) + #define WAITING_FOR_LINK_UP 0x01 #define WAITING_FOR_TX_SPACE 0x02 #define WAITING_FOR_GEN_CMD 0x04 @@ -450,7 +454,7 @@ static int __send_request(struct request *req) { struct vdc_port *port = req->rq_disk->private_data; struct vio_dring_state *dr = &port->vio.drings[VIO_DRIVER_TX_RING]; - struct scatterlist sg[port->ring_cookies]; + struct scatterlist sg[MAX_RING_COOKIES]; struct vdc_req_entry *rqe; struct vio_disk_desc *desc; unsigned int map_perm; @@ -458,6 +462,9 @@ static int __send_request(struct request *req) u64 len; u8 op; + if (WARN_ON(port->ring_cookies > MAX_RING_COOKIES)) + return -EINVAL; + map_perm = LDC_MAP_SHADOW | LDC_MAP_DIRECT | LDC_MAP_IO; if (rq_data_dir(req) == READ) { @@ -984,9 +991,8 @@ static int vdc_port_probe(struct vio_dev *vdev, const struct vio_device_id *id) goto err_out_free_port; port->vdisk_block_size = VDC_DEFAULT_BLK_SIZE; - port->max_xfer_size = ((128 * 1024) / port->vdisk_block_size); - port->ring_cookies = ((port->max_xfer_size * - port->vdisk_block_size) / PAGE_SIZE) + 2; + port->max_xfer_size = MAX_XFER_SIZE; + port->ring_cookies = MAX_RING_COOKIES; err = vio_ldc_alloc(&port->vio, &vdc_ldc_cfg, port); if (err) diff --git a/drivers/clk/sunxi-ng/ccu-sun4i-a10.c b/drivers/clk/sunxi-ng/ccu-sun4i-a10.c index ffa5dac221e4..129ebd2588fd 100644 --- a/drivers/clk/sunxi-ng/ccu-sun4i-a10.c +++ b/drivers/clk/sunxi-ng/ccu-sun4i-a10.c @@ -1434,8 +1434,16 @@ static void __init sun4i_ccu_init(struct device_node *node, return; } - /* Force the PLL-Audio-1x divider to 1 */ val = readl(reg + SUN4I_PLL_AUDIO_REG); + + /* + * Force VCO and PLL bias current to lowest setting. Higher + * settings interfere with sigma-delta modulation and result + * in audible noise and distortions when using SPDIF or I2S. + */ + val &= ~GENMASK(25, 16); + + /* Force the PLL-Audio-1x divider to 1 */ val &= ~GENMASK(29, 26); writel(val | (1 << 26), reg + SUN4I_PLL_AUDIO_REG); diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index bae43938c8f6..9cbe8f5c9aca 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -567,9 +567,9 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, struct drm_mode_crtc *crtc_req = data; struct drm_crtc *crtc; struct drm_plane *plane; - struct drm_connector **connector_set = NULL, *connector; - struct drm_framebuffer *fb = NULL; - struct drm_display_mode *mode = NULL; + struct drm_connector **connector_set, *connector; + struct drm_framebuffer *fb; + struct drm_display_mode *mode; struct drm_mode_set set; uint32_t __user *set_connectors_ptr; struct drm_modeset_acquire_ctx ctx; @@ -598,6 +598,10 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, mutex_lock(&crtc->dev->mode_config.mutex); drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE); retry: + connector_set = NULL; + fb = NULL; + mode = NULL; + ret = drm_modeset_lock_all_ctx(crtc->dev, &ctx); if (ret) goto out; diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 3c9fc99648b7..ff0bfc65a8c1 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -113,6 +113,9 @@ static const struct edid_quirk { /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */ { "AEO", 0, EDID_QUIRK_FORCE_6BPC }, + /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */ + { "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC }, + /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */ { "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC }, @@ -4279,7 +4282,7 @@ static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector, struct drm_hdmi_info *hdmi = &connector->display_info.hdmi; dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK; - hdmi->y420_dc_modes |= dc_mask; + hdmi->y420_dc_modes = dc_mask; } static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector, diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 515a7aec57ac..9628dd617826 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -1580,6 +1580,25 @@ unlock: } EXPORT_SYMBOL(drm_fb_helper_ioctl); +static bool drm_fb_pixel_format_equal(const struct fb_var_screeninfo *var_1, + const struct fb_var_screeninfo *var_2) +{ + return var_1->bits_per_pixel == var_2->bits_per_pixel && + var_1->grayscale == var_2->grayscale && + var_1->red.offset == var_2->red.offset && + var_1->red.length == var_2->red.length && + var_1->red.msb_right == var_2->red.msb_right && + var_1->green.offset == var_2->green.offset && + var_1->green.length == var_2->green.length && + var_1->green.msb_right == var_2->green.msb_right && + var_1->blue.offset == var_2->blue.offset && + var_1->blue.length == var_2->blue.length && + var_1->blue.msb_right == var_2->blue.msb_right && + var_1->transp.offset == var_2->transp.offset && + var_1->transp.length == var_2->transp.length && + var_1->transp.msb_right == var_2->transp.msb_right; +} + /** * drm_fb_helper_check_var - implementation for &fb_ops.fb_check_var * @var: screeninfo to check @@ -1590,7 +1609,6 @@ int drm_fb_helper_check_var(struct fb_var_screeninfo *var, { struct drm_fb_helper *fb_helper = info->par; struct drm_framebuffer *fb = fb_helper->fb; - int depth; if (var->pixclock != 0 || in_dbg_master()) return -EINVAL; @@ -1610,72 +1628,15 @@ int drm_fb_helper_check_var(struct fb_var_screeninfo *var, return -EINVAL; } - switch (var->bits_per_pixel) { - case 16: - depth = (var->green.length == 6) ? 16 : 15; - break; - case 32: - depth = (var->transp.length > 0) ? 32 : 24; - break; - default: - depth = var->bits_per_pixel; - break; - } - - switch (depth) { - case 8: - var->red.offset = 0; - var->green.offset = 0; - var->blue.offset = 0; - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - var->transp.length = 0; - var->transp.offset = 0; - break; - case 15: - var->red.offset = 10; - var->green.offset = 5; - var->blue.offset = 0; - var->red.length = 5; - var->green.length = 5; - var->blue.length = 5; - var->transp.length = 1; - var->transp.offset = 15; - break; - case 16: - var->red.offset = 11; - var->green.offset = 5; - var->blue.offset = 0; - var->red.length = 5; - var->green.length = 6; - var->blue.length = 5; - var->transp.length = 0; - var->transp.offset = 0; - break; - case 24: - var->red.offset = 16; - var->green.offset = 8; - var->blue.offset = 0; - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - var->transp.length = 0; - var->transp.offset = 0; - break; - case 32: - var->red.offset = 16; - var->green.offset = 8; - var->blue.offset = 0; - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - var->transp.length = 8; - var->transp.offset = 24; - break; - default: + /* + * drm fbdev emulation doesn't support changing the pixel format at all, + * so reject all pixel format changing requests. + */ + if (!drm_fb_pixel_format_equal(var, &info->var)) { + DRM_DEBUG("fbdev emulation doesn't support changing the pixel format\n"); return -EINVAL; } + return 0; } EXPORT_SYMBOL(drm_fb_helper_check_var); diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index 9ee9a15e7134..9200e349f29e 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -2270,7 +2270,7 @@ EXPORT_SYMBOL(i2c_put_adapter); * * Return: NULL if a DMA safe buffer was not obtained. Use msg->buf with PIO. * Or a valid pointer to be used with DMA. After use, release it by - * calling i2c_release_dma_safe_msg_buf(). + * calling i2c_put_dma_safe_msg_buf(). * * This function must only be called from process context! */ diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index faa9e6116b2f..73332b9a25b5 100644 --- a/drivers/infiniband/core/ucm.c +++ b/drivers/infiniband/core/ucm.c @@ -46,6 +46,8 @@ #include <linux/mutex.h> #include <linux/slab.h> +#include <linux/nospec.h> + #include <linux/uaccess.h> #include <rdma/ib.h> @@ -1120,6 +1122,7 @@ static ssize_t ib_ucm_write(struct file *filp, const char __user *buf, if (hdr.cmd >= ARRAY_SIZE(ucm_cmd_table)) return -EINVAL; + hdr.cmd = array_index_nospec(hdr.cmd, ARRAY_SIZE(ucm_cmd_table)); if (hdr.in + sizeof(hdr) > len) return -EINVAL; diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index 21863ddde63e..01d68ed46c1b 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -44,6 +44,8 @@ #include <linux/module.h> #include <linux/nsproxy.h> +#include <linux/nospec.h> + #include <rdma/rdma_user_cm.h> #include <rdma/ib_marshall.h> #include <rdma/rdma_cm.h> @@ -1676,6 +1678,7 @@ static ssize_t ucma_write(struct file *filp, const char __user *buf, if (hdr.cmd >= ARRAY_SIZE(ucma_cmd_table)) return -EINVAL; + hdr.cmd = array_index_nospec(hdr.cmd, ARRAY_SIZE(ucma_cmd_table)); if (hdr.in + sizeof(hdr) > len) return -EINVAL; diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c index b756fc79424e..35564a8a48f9 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmmii.c +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c @@ -320,9 +320,12 @@ int bcmgenet_mii_probe(struct net_device *dev) phydev->advertising = phydev->supported; /* The internal PHY has its link interrupts routed to the - * Ethernet MAC ISRs + * Ethernet MAC ISRs. On GENETv5 there is a hardware issue + * that prevents the signaling of link UP interrupts when + * the link operates at 10Mbps, so fallback to polling for + * those versions of GENET. */ - if (priv->internal_phy) + if (priv->internal_phy && !GENET_IS_V5(priv)) dev->phydev->irq = PHY_IGNORE_INTERRUPT; return 0; diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index 4778b663653e..bf80855dd0dd 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -452,6 +452,10 @@ struct bufdesc_ex { * initialisation. */ #define FEC_QUIRK_MIB_CLEAR (1 << 15) +/* Only i.MX25/i.MX27/i.MX28 controller supports FRBR,FRSR registers, + * those FIFO receive registers are resolved in other platforms. + */ +#define FEC_QUIRK_HAS_FRREG (1 << 16) struct bufdesc_prop { int qid; diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index a17cc973d9a3..6db69ba30dcd 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -91,14 +91,16 @@ static struct platform_device_id fec_devtype[] = { .driver_data = 0, }, { .name = "imx25-fec", - .driver_data = FEC_QUIRK_USE_GASKET | FEC_QUIRK_MIB_CLEAR, + .driver_data = FEC_QUIRK_USE_GASKET | FEC_QUIRK_MIB_CLEAR | + FEC_QUIRK_HAS_FRREG, }, { .name = "imx27-fec", - .driver_data = FEC_QUIRK_MIB_CLEAR, + .driver_data = FEC_QUIRK_MIB_CLEAR | FEC_QUIRK_HAS_FRREG, }, { .name = "imx28-fec", .driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_SWAP_FRAME | - FEC_QUIRK_SINGLE_MDIO | FEC_QUIRK_HAS_RACC, + FEC_QUIRK_SINGLE_MDIO | FEC_QUIRK_HAS_RACC | + FEC_QUIRK_HAS_FRREG, }, { .name = "imx6q-fec", .driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT | @@ -2162,7 +2164,13 @@ static void fec_enet_get_regs(struct net_device *ndev, memset(buf, 0, regs->len); for (i = 0; i < ARRAY_SIZE(fec_enet_register_offset); i++) { - off = fec_enet_register_offset[i] / 4; + off = fec_enet_register_offset[i]; + + if ((off == FEC_R_BOUND || off == FEC_R_FSTART) && + !(fep->quirks & FEC_QUIRK_HAS_FRREG)) + continue; + + off >>= 2; buf[off] = readl(&theregs[off]); } } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index f19067c94272..2f7fb8de6967 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -433,10 +433,9 @@ static inline u16 mlx5e_icosq_wrap_cnt(struct mlx5e_icosq *sq) static inline void mlx5e_fill_icosq_frag_edge(struct mlx5e_icosq *sq, struct mlx5_wq_cyc *wq, - u16 pi, u16 frag_pi) + u16 pi, u16 nnops) { struct mlx5e_sq_wqe_info *edge_wi, *wi = &sq->db.ico_wqe[pi]; - u8 nnops = mlx5_wq_cyc_get_frag_size(wq) - frag_pi; edge_wi = wi + nnops; @@ -455,15 +454,14 @@ static int mlx5e_alloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix) struct mlx5_wq_cyc *wq = &sq->wq; struct mlx5e_umr_wqe *umr_wqe; u16 xlt_offset = ix << (MLX5E_LOG_ALIGNED_MPWQE_PPW - 1); - u16 pi, frag_pi; + u16 pi, contig_wqebbs_room; int err; int i; pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc); - frag_pi = mlx5_wq_cyc_ctr2fragix(wq, sq->pc); - - if (unlikely(frag_pi + MLX5E_UMR_WQEBBS > mlx5_wq_cyc_get_frag_size(wq))) { - mlx5e_fill_icosq_frag_edge(sq, wq, pi, frag_pi); + contig_wqebbs_room = mlx5_wq_cyc_get_contig_wqebbs(wq, pi); + if (unlikely(contig_wqebbs_room < MLX5E_UMR_WQEBBS)) { + mlx5e_fill_icosq_frag_edge(sq, wq, pi, contig_wqebbs_room); pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c index ae73ea992845..6dacaeba2fbf 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c @@ -290,10 +290,9 @@ dma_unmap_wqe_err: static inline void mlx5e_fill_sq_frag_edge(struct mlx5e_txqsq *sq, struct mlx5_wq_cyc *wq, - u16 pi, u16 frag_pi) + u16 pi, u16 nnops) { struct mlx5e_tx_wqe_info *edge_wi, *wi = &sq->db.wqe_info[pi]; - u8 nnops = mlx5_wq_cyc_get_frag_size(wq) - frag_pi; edge_wi = wi + nnops; @@ -348,8 +347,8 @@ netdev_tx_t mlx5e_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb, struct mlx5e_tx_wqe_info *wi; struct mlx5e_sq_stats *stats = sq->stats; + u16 headlen, ihs, contig_wqebbs_room; u16 ds_cnt, ds_cnt_inl = 0; - u16 headlen, ihs, frag_pi; u8 num_wqebbs, opcode; u32 num_bytes; int num_dma; @@ -386,9 +385,9 @@ netdev_tx_t mlx5e_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb, } num_wqebbs = DIV_ROUND_UP(ds_cnt, MLX5_SEND_WQEBB_NUM_DS); - frag_pi = mlx5_wq_cyc_ctr2fragix(wq, sq->pc); - if (unlikely(frag_pi + num_wqebbs > mlx5_wq_cyc_get_frag_size(wq))) { - mlx5e_fill_sq_frag_edge(sq, wq, pi, frag_pi); + contig_wqebbs_room = mlx5_wq_cyc_get_contig_wqebbs(wq, pi); + if (unlikely(contig_wqebbs_room < num_wqebbs)) { + mlx5e_fill_sq_frag_edge(sq, wq, pi, contig_wqebbs_room); mlx5e_sq_fetch_wqe(sq, &wqe, &pi); } @@ -636,7 +635,7 @@ netdev_tx_t mlx5i_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb, struct mlx5e_tx_wqe_info *wi; struct mlx5e_sq_stats *stats = sq->stats; - u16 headlen, ihs, pi, frag_pi; + u16 headlen, ihs, pi, contig_wqebbs_room; u16 ds_cnt, ds_cnt_inl = 0; u8 num_wqebbs, opcode; u32 num_bytes; @@ -672,13 +671,14 @@ netdev_tx_t mlx5i_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb, } num_wqebbs = DIV_ROUND_UP(ds_cnt, MLX5_SEND_WQEBB_NUM_DS); - frag_pi = mlx5_wq_cyc_ctr2fragix(wq, sq->pc); - if (unlikely(frag_pi + num_wqebbs > mlx5_wq_cyc_get_frag_size(wq))) { + pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc); + contig_wqebbs_room = mlx5_wq_cyc_get_contig_wqebbs(wq, pi); + if (unlikely(contig_wqebbs_room < num_wqebbs)) { + mlx5e_fill_sq_frag_edge(sq, wq, pi, contig_wqebbs_room); pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc); - mlx5e_fill_sq_frag_edge(sq, wq, pi, frag_pi); } - mlx5i_sq_fetch_wqe(sq, &wqe, &pi); + mlx5i_sq_fetch_wqe(sq, &wqe, pi); /* fill wqe */ wi = &sq->db.wqe_info[pi]; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c index 48864f4988a4..c1e1a16a9b07 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -273,7 +273,7 @@ static void eq_pf_process(struct mlx5_eq *eq) case MLX5_PFAULT_SUBTYPE_WQE: /* WQE based event */ pfault->type = - be32_to_cpu(pf_eqe->wqe.pftype_wq) >> 24; + (be32_to_cpu(pf_eqe->wqe.pftype_wq) >> 24) & 0x7; pfault->token = be32_to_cpu(pf_eqe->wqe.token); pfault->wqe.wq_num = diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c index 28aa8c968a80..515e3d6de051 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c @@ -245,7 +245,7 @@ static void *mlx5_fpga_ipsec_cmd_exec(struct mlx5_core_dev *mdev, return ERR_PTR(res); } - /* Context will be freed by wait func after completion */ + /* Context should be freed by the caller after completion. */ return context; } @@ -418,10 +418,8 @@ static int mlx5_fpga_ipsec_set_caps(struct mlx5_core_dev *mdev, u32 flags) cmd.cmd = htonl(MLX5_FPGA_IPSEC_CMD_OP_SET_CAP); cmd.flags = htonl(flags); context = mlx5_fpga_ipsec_cmd_exec(mdev, &cmd, sizeof(cmd)); - if (IS_ERR(context)) { - err = PTR_ERR(context); - goto out; - } + if (IS_ERR(context)) + return PTR_ERR(context); err = mlx5_fpga_ipsec_cmd_wait(context); if (err) @@ -435,6 +433,7 @@ static int mlx5_fpga_ipsec_set_caps(struct mlx5_core_dev *mdev, u32 flags) } out: + kfree(context); return err; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h index 5ef3ef0072b4..9165ca567047 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h @@ -110,12 +110,11 @@ struct mlx5i_tx_wqe { static inline void mlx5i_sq_fetch_wqe(struct mlx5e_txqsq *sq, struct mlx5i_tx_wqe **wqe, - u16 *pi) + u16 pi) { struct mlx5_wq_cyc *wq = &sq->wq; - *pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc); - *wqe = mlx5_wq_cyc_get_wqe(wq, *pi); + *wqe = mlx5_wq_cyc_get_wqe(wq, pi); memset(*wqe, 0, sizeof(**wqe)); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/wq.c b/drivers/net/ethernet/mellanox/mlx5/core/wq.c index 9007e91ad53f..2dcbf1ebfd6a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/wq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/wq.c @@ -39,11 +39,6 @@ u32 mlx5_wq_cyc_get_size(struct mlx5_wq_cyc *wq) return (u32)wq->fbc.sz_m1 + 1; } -u16 mlx5_wq_cyc_get_frag_size(struct mlx5_wq_cyc *wq) -{ - return wq->fbc.frag_sz_m1 + 1; -} - u32 mlx5_cqwq_get_size(struct mlx5_cqwq *wq) { return wq->fbc.sz_m1 + 1; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/wq.h b/drivers/net/ethernet/mellanox/mlx5/core/wq.h index 3a1a170bb2d7..b1293d153a58 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/wq.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/wq.h @@ -80,7 +80,6 @@ int mlx5_wq_cyc_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param, void *wqc, struct mlx5_wq_cyc *wq, struct mlx5_wq_ctrl *wq_ctrl); u32 mlx5_wq_cyc_get_size(struct mlx5_wq_cyc *wq); -u16 mlx5_wq_cyc_get_frag_size(struct mlx5_wq_cyc *wq); int mlx5_wq_qp_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param, void *qpc, struct mlx5_wq_qp *wq, @@ -140,11 +139,6 @@ static inline u16 mlx5_wq_cyc_ctr2ix(struct mlx5_wq_cyc *wq, u16 ctr) return ctr & wq->fbc.sz_m1; } -static inline u16 mlx5_wq_cyc_ctr2fragix(struct mlx5_wq_cyc *wq, u16 ctr) -{ - return ctr & wq->fbc.frag_sz_m1; -} - static inline u16 mlx5_wq_cyc_get_head(struct mlx5_wq_cyc *wq) { return mlx5_wq_cyc_ctr2ix(wq, wq->wqe_ctr); @@ -160,6 +154,11 @@ static inline void *mlx5_wq_cyc_get_wqe(struct mlx5_wq_cyc *wq, u16 ix) return mlx5_frag_buf_get_wqe(&wq->fbc, ix); } +static inline u16 mlx5_wq_cyc_get_contig_wqebbs(struct mlx5_wq_cyc *wq, u16 ix) +{ + return mlx5_frag_buf_get_idx_last_contig_stride(&wq->fbc, ix) - ix + 1; +} + static inline int mlx5_wq_cyc_cc_bigger(u16 cc1, u16 cc2) { int equal = (cc1 == cc2); diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c index 81533d7f395c..937d0ace699a 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -1055,6 +1055,7 @@ int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, err_driver_init: mlxsw_thermal_fini(mlxsw_core->thermal); err_thermal_init: + mlxsw_hwmon_fini(mlxsw_core->hwmon); err_hwmon_init: if (!reload) devlink_unregister(devlink); @@ -1088,6 +1089,7 @@ void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, if (mlxsw_core->driver->fini) mlxsw_core->driver->fini(mlxsw_core); mlxsw_thermal_fini(mlxsw_core->thermal); + mlxsw_hwmon_fini(mlxsw_core->hwmon); if (!reload) devlink_unregister(devlink); mlxsw_emad_fini(mlxsw_core); diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.h b/drivers/net/ethernet/mellanox/mlxsw/core.h index 655ddd204ab2..c35be477856f 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.h +++ b/drivers/net/ethernet/mellanox/mlxsw/core.h @@ -359,6 +359,10 @@ static inline int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, return 0; } +static inline void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon) +{ +} + #endif struct mlxsw_thermal; diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_hwmon.c b/drivers/net/ethernet/mellanox/mlxsw/core_hwmon.c index f6cf2896d337..e04e8162aa14 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_hwmon.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core_hwmon.c @@ -303,8 +303,7 @@ int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, struct device *hwmon_dev; int err; - mlxsw_hwmon = devm_kzalloc(mlxsw_bus_info->dev, sizeof(*mlxsw_hwmon), - GFP_KERNEL); + mlxsw_hwmon = kzalloc(sizeof(*mlxsw_hwmon), GFP_KERNEL); if (!mlxsw_hwmon) return -ENOMEM; mlxsw_hwmon->core = mlxsw_core; @@ -321,10 +320,9 @@ int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, mlxsw_hwmon->groups[0] = &mlxsw_hwmon->group; mlxsw_hwmon->group.attrs = mlxsw_hwmon->attrs; - hwmon_dev = devm_hwmon_device_register_with_groups(mlxsw_bus_info->dev, - "mlxsw", - mlxsw_hwmon, - mlxsw_hwmon->groups); + hwmon_dev = hwmon_device_register_with_groups(mlxsw_bus_info->dev, + "mlxsw", mlxsw_hwmon, + mlxsw_hwmon->groups); if (IS_ERR(hwmon_dev)) { err = PTR_ERR(hwmon_dev); goto err_hwmon_register; @@ -337,5 +335,12 @@ int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, err_hwmon_register: err_fans_init: err_temp_init: + kfree(mlxsw_hwmon); return err; } + +void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon) +{ + hwmon_device_unregister(mlxsw_hwmon->hwmon_dev); + kfree(mlxsw_hwmon); +} diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c index 9b8a17ee3cb3..3238b9ee42f3 100644 --- a/drivers/net/ethernet/mscc/ocelot.c +++ b/drivers/net/ethernet/mscc/ocelot.c @@ -133,9 +133,9 @@ static inline int ocelot_vlant_wait_for_completion(struct ocelot *ocelot) { unsigned int val, timeout = 10; - /* Wait for the issued mac table command to be completed, or timeout. - * When the command read from ANA_TABLES_MACACCESS is - * MACACCESS_CMD_IDLE, the issued command completed successfully. + /* Wait for the issued vlan table command to be completed, or timeout. + * When the command read from ANA_TABLES_VLANACCESS is + * VLANACCESS_CMD_IDLE, the issued command completed successfully. */ do { val = ocelot_read(ocelot, ANA_TABLES_VLANACCESS); diff --git a/drivers/net/ethernet/netronome/nfp/flower/action.c b/drivers/net/ethernet/netronome/nfp/flower/action.c index f2b1938236fe..244dc261006e 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/action.c +++ b/drivers/net/ethernet/netronome/nfp/flower/action.c @@ -399,12 +399,14 @@ nfp_fl_set_ip4(const struct tc_action *action, int idx, u32 off, switch (off) { case offsetof(struct iphdr, daddr): - set_ip_addr->ipv4_dst_mask = mask; - set_ip_addr->ipv4_dst = exact; + set_ip_addr->ipv4_dst_mask |= mask; + set_ip_addr->ipv4_dst &= ~mask; + set_ip_addr->ipv4_dst |= exact & mask; break; case offsetof(struct iphdr, saddr): - set_ip_addr->ipv4_src_mask = mask; - set_ip_addr->ipv4_src = exact; + set_ip_addr->ipv4_src_mask |= mask; + set_ip_addr->ipv4_src &= ~mask; + set_ip_addr->ipv4_src |= exact & mask; break; default: return -EOPNOTSUPP; @@ -418,11 +420,12 @@ nfp_fl_set_ip4(const struct tc_action *action, int idx, u32 off, } static void -nfp_fl_set_ip6_helper(int opcode_tag, int idx, __be32 exact, __be32 mask, +nfp_fl_set_ip6_helper(int opcode_tag, u8 word, __be32 exact, __be32 mask, struct nfp_fl_set_ipv6_addr *ip6) { - ip6->ipv6[idx % 4].mask = mask; - ip6->ipv6[idx % 4].exact = exact; + ip6->ipv6[word].mask |= mask; + ip6->ipv6[word].exact &= ~mask; + ip6->ipv6[word].exact |= exact & mask; ip6->reserved = cpu_to_be16(0); ip6->head.jump_id = opcode_tag; @@ -435,6 +438,7 @@ nfp_fl_set_ip6(const struct tc_action *action, int idx, u32 off, struct nfp_fl_set_ipv6_addr *ip_src) { __be32 exact, mask; + u8 word; /* We are expecting tcf_pedit to return a big endian value */ mask = (__force __be32)~tcf_pedit_mask(action, idx); @@ -443,17 +447,20 @@ nfp_fl_set_ip6(const struct tc_action *action, int idx, u32 off, if (exact & ~mask) return -EOPNOTSUPP; - if (off < offsetof(struct ipv6hdr, saddr)) + if (off < offsetof(struct ipv6hdr, saddr)) { return -EOPNOTSUPP; - else if (off < offsetof(struct ipv6hdr, daddr)) - nfp_fl_set_ip6_helper(NFP_FL_ACTION_OPCODE_SET_IPV6_SRC, idx, + } else if (off < offsetof(struct ipv6hdr, daddr)) { + word = (off - offsetof(struct ipv6hdr, saddr)) / sizeof(exact); + nfp_fl_set_ip6_helper(NFP_FL_ACTION_OPCODE_SET_IPV6_SRC, word, exact, mask, ip_src); - else if (off < offsetof(struct ipv6hdr, daddr) + - sizeof(struct in6_addr)) - nfp_fl_set_ip6_helper(NFP_FL_ACTION_OPCODE_SET_IPV6_DST, idx, + } else if (off < offsetof(struct ipv6hdr, daddr) + + sizeof(struct in6_addr)) { + word = (off - offsetof(struct ipv6hdr, daddr)) / sizeof(exact); + nfp_fl_set_ip6_helper(NFP_FL_ACTION_OPCODE_SET_IPV6_DST, word, exact, mask, ip_dst); - else + } else { return -EOPNOTSUPP; + } return 0; } @@ -511,7 +518,7 @@ nfp_fl_pedit(const struct tc_action *action, struct tc_cls_flower_offload *flow, struct nfp_fl_set_eth set_eth; enum pedit_header_type htype; int idx, nkeys, err; - size_t act_size; + size_t act_size = 0; u32 offset, cmd; u8 ip_proto = 0; @@ -569,7 +576,9 @@ nfp_fl_pedit(const struct tc_action *action, struct tc_cls_flower_offload *flow, act_size = sizeof(set_eth); memcpy(nfp_action, &set_eth, act_size); *a_len += act_size; - } else if (set_ip_addr.head.len_lw) { + } + if (set_ip_addr.head.len_lw) { + nfp_action += act_size; act_size = sizeof(set_ip_addr); memcpy(nfp_action, &set_ip_addr, act_size); *a_len += act_size; @@ -577,10 +586,12 @@ nfp_fl_pedit(const struct tc_action *action, struct tc_cls_flower_offload *flow, /* Hardware will automatically fix IPv4 and TCP/UDP checksum. */ *csum_updated |= TCA_CSUM_UPDATE_FLAG_IPV4HDR | nfp_fl_csum_l4_to_flag(ip_proto); - } else if (set_ip6_dst.head.len_lw && set_ip6_src.head.len_lw) { + } + if (set_ip6_dst.head.len_lw && set_ip6_src.head.len_lw) { /* TC compiles set src and dst IPv6 address as a single action, * the hardware requires this to be 2 separate actions. */ + nfp_action += act_size; act_size = sizeof(set_ip6_src); memcpy(nfp_action, &set_ip6_src, act_size); *a_len += act_size; @@ -593,6 +604,7 @@ nfp_fl_pedit(const struct tc_action *action, struct tc_cls_flower_offload *flow, /* Hardware will automatically fix TCP/UDP checksum. */ *csum_updated |= nfp_fl_csum_l4_to_flag(ip_proto); } else if (set_ip6_dst.head.len_lw) { + nfp_action += act_size; act_size = sizeof(set_ip6_dst); memcpy(nfp_action, &set_ip6_dst, act_size); *a_len += act_size; @@ -600,13 +612,16 @@ nfp_fl_pedit(const struct tc_action *action, struct tc_cls_flower_offload *flow, /* Hardware will automatically fix TCP/UDP checksum. */ *csum_updated |= nfp_fl_csum_l4_to_flag(ip_proto); } else if (set_ip6_src.head.len_lw) { + nfp_action += act_size; act_size = sizeof(set_ip6_src); memcpy(nfp_action, &set_ip6_src, act_size); *a_len += act_size; /* Hardware will automatically fix TCP/UDP checksum. */ *csum_updated |= nfp_fl_csum_l4_to_flag(ip_proto); - } else if (set_tport.head.len_lw) { + } + if (set_tport.head.len_lw) { + nfp_action += act_size; act_size = sizeof(set_tport); memcpy(nfp_action, &set_tport, act_size); *a_len += act_size; diff --git a/drivers/net/ethernet/qlogic/qed/qed_int.c b/drivers/net/ethernet/qlogic/qed/qed_int.c index af3a28ec04eb..0f0aba793352 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_int.c +++ b/drivers/net/ethernet/qlogic/qed/qed_int.c @@ -228,7 +228,7 @@ static int qed_grc_attn_cb(struct qed_hwfn *p_hwfn) attn_master_to_str(GET_FIELD(tmp, QED_GRC_ATTENTION_MASTER)), GET_FIELD(tmp2, QED_GRC_ATTENTION_PF), (GET_FIELD(tmp2, QED_GRC_ATTENTION_PRIV) == - QED_GRC_ATTENTION_PRIV_VF) ? "VF" : "(Ireelevant)", + QED_GRC_ATTENTION_PRIV_VF) ? "VF" : "(Irrelevant)", GET_FIELD(tmp2, QED_GRC_ATTENTION_VF)); out: diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c index b48f76182049..10b075bc5959 100644 --- a/drivers/net/ethernet/qlogic/qla3xxx.c +++ b/drivers/net/ethernet/qlogic/qla3xxx.c @@ -380,8 +380,6 @@ static void fm93c56a_select(struct ql3_adapter *qdev) qdev->eeprom_cmd_data = AUBURN_EEPROM_CS_1; ql_write_nvram_reg(qdev, spir, ISP_NVRAM_MASK | qdev->eeprom_cmd_data); - ql_write_nvram_reg(qdev, spir, - ((ISP_NVRAM_MASK << 16) | qdev->eeprom_cmd_data)); } /* diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 8c4f49adcf9e..f42d4903a199 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -6528,17 +6528,15 @@ static int rtl8169_poll(struct napi_struct *napi, int budget) struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi); struct net_device *dev = tp->dev; u16 enable_mask = RTL_EVENT_NAPI | tp->event_slow; - int work_done= 0; + int work_done; u16 status; status = rtl_get_events(tp); rtl_ack_events(tp, status & ~tp->event_slow); - if (status & RTL_EVENT_NAPI_RX) - work_done = rtl_rx(dev, tp, (u32) budget); + work_done = rtl_rx(dev, tp, (u32) budget); - if (status & RTL_EVENT_NAPI_TX) - rtl_tx(dev, tp); + rtl_tx(dev, tp); if (status & tp->event_slow) { enable_mask &= ~tp->event_slow; @@ -7071,20 +7069,12 @@ static int rtl_alloc_irq(struct rtl8169_private *tp) { unsigned int flags; - switch (tp->mac_version) { - case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_06: + if (tp->mac_version <= RTL_GIGA_MAC_VER_06) { RTL_W8(tp, Cfg9346, Cfg9346_Unlock); RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~MSIEnable); RTL_W8(tp, Cfg9346, Cfg9346_Lock); flags = PCI_IRQ_LEGACY; - break; - case RTL_GIGA_MAC_VER_39 ... RTL_GIGA_MAC_VER_40: - /* This version was reported to have issues with resume - * from suspend when using MSI-X - */ - flags = PCI_IRQ_LEGACY | PCI_IRQ_MSI; - break; - default: + } else { flags = PCI_IRQ_ALL_TYPES; } diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index 82eccc930c5c..a0cd1c41cf5f 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -831,12 +831,8 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev, if (IS_ERR(rt)) return PTR_ERR(rt); - if (skb_dst(skb)) { - int mtu = dst_mtu(&rt->dst) - GENEVE_IPV4_HLEN - - info->options_len; - - skb_dst_update_pmtu(skb, mtu); - } + skb_tunnel_check_pmtu(skb, &rt->dst, + GENEVE_IPV4_HLEN + info->options_len); sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); if (geneve->collect_md) { @@ -881,11 +877,7 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev, if (IS_ERR(dst)) return PTR_ERR(dst); - if (skb_dst(skb)) { - int mtu = dst_mtu(dst) - GENEVE_IPV6_HLEN - info->options_len; - - skb_dst_update_pmtu(skb, mtu); - } + skb_tunnel_check_pmtu(skb, dst, GENEVE_IPV6_HLEN + info->options_len); sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); if (geneve->collect_md) { diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 3f5aa59c37b7..3e2c041d76ac 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -2267,8 +2267,9 @@ static void virtnet_freeze_down(struct virtio_device *vdev) /* Make sure no work handler is accessing the device */ flush_work(&vi->config_work); + netif_tx_lock_bh(vi->dev); netif_device_detach(vi->dev); - netif_tx_disable(vi->dev); + netif_tx_unlock_bh(vi->dev); cancel_delayed_work_sync(&vi->refill); if (netif_running(vi->dev)) { @@ -2304,7 +2305,9 @@ static int virtnet_restore_up(struct virtio_device *vdev) } } + netif_tx_lock_bh(vi->dev); netif_device_attach(vi->dev); + netif_tx_unlock_bh(vi->dev); return err; } diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 1d74f90d6f5d..297cdeaef479 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2262,11 +2262,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, } ndst = &rt->dst; - if (skb_dst(skb)) { - int mtu = dst_mtu(ndst) - VXLAN_HEADROOM; - - skb_dst_update_pmtu(skb, mtu); - } + skb_tunnel_check_pmtu(skb, ndst, VXLAN_HEADROOM); tos = ip_tunnel_ecn_encap(tos, old_iph, skb); ttl = ttl ? : ip4_dst_hoplimit(&rt->dst); @@ -2303,11 +2299,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, goto out_unlock; } - if (skb_dst(skb)) { - int mtu = dst_mtu(ndst) - VXLAN6_HEADROOM; - - skb_dst_update_pmtu(skb, mtu); - } + skb_tunnel_check_pmtu(skb, ndst, VXLAN6_HEADROOM); tos = ip_tunnel_ecn_encap(tos, old_iph, skb); ttl = ttl ? : ip6_dst_hoplimit(ndst); diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index 7f01f6f60b87..d0b7dd8fb184 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -485,7 +485,13 @@ static int armpmu_filter_match(struct perf_event *event) { struct arm_pmu *armpmu = to_arm_pmu(event->pmu); unsigned int cpu = smp_processor_id(); - return cpumask_test_cpu(cpu, &armpmu->supported_cpus); + int ret; + + ret = cpumask_test_cpu(cpu, &armpmu->supported_cpus); + if (ret && armpmu->filter_match) + return armpmu->filter_match(event); + + return ret; } static ssize_t armpmu_cpumask_show(struct device *dev, diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c index 01b0e2bb3319..2012551d93e0 100644 --- a/drivers/ptp/ptp_chardev.c +++ b/drivers/ptp/ptp_chardev.c @@ -24,6 +24,8 @@ #include <linux/slab.h> #include <linux/timekeeping.h> +#include <linux/nospec.h> + #include "ptp_private.h" static int ptp_disable_pinfunc(struct ptp_clock_info *ops, @@ -248,6 +250,7 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg) err = -EINVAL; break; } + pin_index = array_index_nospec(pin_index, ops->n_pins); if (mutex_lock_interruptible(&ptp->pincfg_mux)) return -ERESTARTSYS; pd = ops->pin_config[pin_index]; @@ -266,6 +269,7 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg) err = -EINVAL; break; } + pin_index = array_index_nospec(pin_index, ops->n_pins); if (mutex_lock_interruptible(&ptp->pincfg_mux)) return -ERESTARTSYS; err = ptp_set_pinfunc(ptp, pin_index, pd.func, pd.chan); diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c index 35f2ae30f31f..77a83790a31f 100644 --- a/fs/afs/rxrpc.c +++ b/fs/afs/rxrpc.c @@ -690,8 +690,6 @@ static void afs_process_async_call(struct work_struct *work) } if (call->state == AFS_CALL_COMPLETE) { - call->reply[0] = NULL; - /* We have two refs to release - one from the alloc and one * queued with the work item - and we can't just deallocate the * call because the work item may be queued again. diff --git a/fs/afs/server.c b/fs/afs/server.c index 2f306c0cc4ee..1d329e6981d5 100644 --- a/fs/afs/server.c +++ b/fs/afs/server.c @@ -199,11 +199,9 @@ static struct afs_server *afs_install_server(struct afs_net *net, write_sequnlock(&net->fs_addr_lock); ret = 0; - goto out; exists: afs_get_server(server); -out: write_sequnlock(&net->fs_lock); return server; } diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c index af2b17b21b94..95983c744164 100644 --- a/fs/cachefiles/namei.c +++ b/fs/cachefiles/namei.c @@ -343,7 +343,7 @@ try_again: trap = lock_rename(cache->graveyard, dir); /* do some checks before getting the grave dentry */ - if (rep->d_parent != dir) { + if (rep->d_parent != dir || IS_DEADDIR(d_inode(rep))) { /* the entry was probably culled when we dropped the parent dir * lock */ unlock_rename(cache->graveyard, dir); @@ -666,6 +666,8 @@ struct page *dax_layout_busy_page(struct address_space *mapping) while (index < end && pagevec_lookup_entries(&pvec, mapping, index, min(end - index, (pgoff_t)PAGEVEC_SIZE), indices)) { + pgoff_t nr_pages = 1; + for (i = 0; i < pagevec_count(&pvec); i++) { struct page *pvec_ent = pvec.pages[i]; void *entry; @@ -680,8 +682,15 @@ struct page *dax_layout_busy_page(struct address_space *mapping) xa_lock_irq(&mapping->i_pages); entry = get_unlocked_mapping_entry(mapping, index, NULL); - if (entry) + if (entry) { page = dax_busy_page(entry); + /* + * Account for multi-order entries at + * the end of the pagevec. + */ + if (i + 1 >= pagevec_count(&pvec)) + nr_pages = 1UL << dax_radix_order(entry); + } put_unlocked_mapping_entry(mapping, index, entry); xa_unlock_irq(&mapping->i_pages); if (page) @@ -696,7 +705,7 @@ struct page *dax_layout_busy_page(struct address_space *mapping) */ pagevec_remove_exceptionals(&pvec); pagevec_release(&pvec); - index++; + index += nr_pages; if (page) break; diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c index defc2168de91..f58c0cacc531 100644 --- a/fs/fat/fatent.c +++ b/fs/fat/fatent.c @@ -682,6 +682,7 @@ int fat_count_free_clusters(struct super_block *sb) if (ops->ent_get(&fatent) == FAT_ENT_FREE) free++; } while (fat_ent_next(sbi, &fatent)); + cond_resched(); } sbi->free_clusters = free; sbi->free_clus_valid = 1; diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c index 83bfe04456b6..c550512ce335 100644 --- a/fs/fscache/cookie.c +++ b/fs/fscache/cookie.c @@ -70,20 +70,7 @@ void fscache_free_cookie(struct fscache_cookie *cookie) } /* - * initialise an cookie jar slab element prior to any use - */ -void fscache_cookie_init_once(void *_cookie) -{ - struct fscache_cookie *cookie = _cookie; - - memset(cookie, 0, sizeof(*cookie)); - spin_lock_init(&cookie->lock); - spin_lock_init(&cookie->stores_lock); - INIT_HLIST_HEAD(&cookie->backing_objects); -} - -/* - * Set the index key in a cookie. The cookie struct has space for a 12-byte + * Set the index key in a cookie. The cookie struct has space for a 16-byte * key plus length and hash, but if that's not big enough, it's instead a * pointer to a buffer containing 3 bytes of hash, 1 byte of length and then * the key data. @@ -93,20 +80,18 @@ static int fscache_set_key(struct fscache_cookie *cookie, { unsigned long long h; u32 *buf; + int bufs; int i; - cookie->key_len = index_key_len; + bufs = DIV_ROUND_UP(index_key_len, sizeof(*buf)); if (index_key_len > sizeof(cookie->inline_key)) { - buf = kzalloc(index_key_len, GFP_KERNEL); + buf = kcalloc(bufs, sizeof(*buf), GFP_KERNEL); if (!buf) return -ENOMEM; cookie->key = buf; } else { buf = (u32 *)cookie->inline_key; - buf[0] = 0; - buf[1] = 0; - buf[2] = 0; } memcpy(buf, index_key, index_key_len); @@ -116,7 +101,8 @@ static int fscache_set_key(struct fscache_cookie *cookie, */ h = (unsigned long)cookie->parent; h += index_key_len + cookie->type; - for (i = 0; i < (index_key_len + sizeof(u32) - 1) / sizeof(u32); i++) + + for (i = 0; i < bufs; i++) h += buf[i]; cookie->key_hash = h ^ (h >> 32); @@ -161,7 +147,7 @@ struct fscache_cookie *fscache_alloc_cookie( struct fscache_cookie *cookie; /* allocate and initialise a cookie */ - cookie = kmem_cache_alloc(fscache_cookie_jar, GFP_KERNEL); + cookie = kmem_cache_zalloc(fscache_cookie_jar, GFP_KERNEL); if (!cookie) return NULL; @@ -192,6 +178,9 @@ struct fscache_cookie *fscache_alloc_cookie( cookie->netfs_data = netfs_data; cookie->flags = (1 << FSCACHE_COOKIE_NO_DATA_YET); cookie->type = def->type; + spin_lock_init(&cookie->lock); + spin_lock_init(&cookie->stores_lock); + INIT_HLIST_HEAD(&cookie->backing_objects); /* radix tree insertion won't use the preallocation pool unless it's * told it may not wait */ diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h index f83328a7f048..d6209022e965 100644 --- a/fs/fscache/internal.h +++ b/fs/fscache/internal.h @@ -51,7 +51,6 @@ extern struct fscache_cache *fscache_select_cache_for_object( extern struct kmem_cache *fscache_cookie_jar; extern void fscache_free_cookie(struct fscache_cookie *); -extern void fscache_cookie_init_once(void *); extern struct fscache_cookie *fscache_alloc_cookie(struct fscache_cookie *, const struct fscache_cookie_def *, const void *, size_t, diff --git a/fs/fscache/main.c b/fs/fscache/main.c index 7dce110bf17d..30ad89db1efc 100644 --- a/fs/fscache/main.c +++ b/fs/fscache/main.c @@ -143,9 +143,7 @@ static int __init fscache_init(void) fscache_cookie_jar = kmem_cache_create("fscache_cookie_jar", sizeof(struct fscache_cookie), - 0, - 0, - fscache_cookie_init_once); + 0, 0, NULL); if (!fscache_cookie_jar) { pr_notice("Failed to allocate a cookie jar\n"); ret = -ENOMEM; diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index 3c159a7f9a9e..84544a4f012d 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -975,10 +975,6 @@ static void gfs2_iomap_journaled_page_done(struct inode *inode, loff_t pos, { struct gfs2_inode *ip = GFS2_I(inode); - if (!page_has_buffers(page)) { - create_empty_buffers(page, inode->i_sb->s_blocksize, - (1 << BH_Dirty)|(1 << BH_Uptodate)); - } gfs2_page_add_databufs(ip, page, offset_in_page(pos), copied); } @@ -1061,7 +1057,7 @@ static int gfs2_iomap_begin_write(struct inode *inode, loff_t pos, } } release_metapath(&mp); - if (gfs2_is_jdata(ip)) + if (!gfs2_is_stuffed(ip) && gfs2_is_jdata(ip)) iomap->page_done = gfs2_iomap_journaled_page_done; return 0; diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 8e712b614e6e..933aac5da193 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -96,7 +96,9 @@ struct ocfs2_unblock_ctl { }; /* Lockdep class keys */ +#ifdef CONFIG_DEBUG_LOCK_ALLOC static struct lock_class_key lockdep_keys[OCFS2_NUM_LOCK_TYPES]; +#endif static int ocfs2_check_meta_downconvert(struct ocfs2_lock_res *lockres, int new_level); diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index bf000c8aeffb..fec62e9dfbe6 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -2337,8 +2337,8 @@ late_initcall(ubifs_init); static void __exit ubifs_exit(void) { - WARN_ON(list_empty(&ubifs_infos)); - WARN_ON(atomic_long_read(&ubifs_clean_zn_cnt) == 0); + WARN_ON(!list_empty(&ubifs_infos)); + WARN_ON(atomic_long_read(&ubifs_clean_zn_cnt) != 0); dbg_debugfs_exit(); ubifs_compressors_exit(); diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index b25d12ef120a..e3c404833115 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -214,9 +214,9 @@ struct detailed_timing { #define DRM_EDID_HDMI_DC_Y444 (1 << 3) /* YCBCR 420 deep color modes */ -#define DRM_EDID_YCBCR420_DC_48 (1 << 6) -#define DRM_EDID_YCBCR420_DC_36 (1 << 5) -#define DRM_EDID_YCBCR420_DC_30 (1 << 4) +#define DRM_EDID_YCBCR420_DC_48 (1 << 2) +#define DRM_EDID_YCBCR420_DC_36 (1 << 1) +#define DRM_EDID_YCBCR420_DC_30 (1 << 0) #define DRM_EDID_YCBCR420_DC_MASK (DRM_EDID_YCBCR420_DC_48 | \ DRM_EDID_YCBCR420_DC_36 | \ DRM_EDID_YCBCR420_DC_30) diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index 99c19b06d9a4..fdcb45999b26 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -43,7 +43,7 @@ extern int mincore_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, unsigned char *vec); extern bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr, unsigned long new_addr, unsigned long old_end, - pmd_t *old_pmd, pmd_t *new_pmd, bool *need_flush); + pmd_t *old_pmd, pmd_t *new_pmd); extern int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, unsigned long addr, pgprot_t newprot, int prot_numa); diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 696ed3f7f894..31460eeb6fe0 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -1027,6 +1027,14 @@ static inline void *mlx5_frag_buf_get_wqe(struct mlx5_frag_buf_ctrl *fbc, return fbc->frags[frag].buf + ((fbc->frag_sz_m1 & ix) << fbc->log_stride); } +static inline u32 +mlx5_frag_buf_get_idx_last_contig_stride(struct mlx5_frag_buf_ctrl *fbc, u32 ix) +{ + u32 last_frag_stride_idx = (ix + fbc->strides_offset) | fbc->frag_sz_m1; + + return min_t(u32, last_frag_stride_idx - fbc->strides_offset, fbc->sz_m1); +} + int mlx5_cmd_init(struct mlx5_core_dev *dev); void mlx5_cmd_cleanup(struct mlx5_core_dev *dev); void mlx5_cmd_use_events(struct mlx5_core_dev *dev); diff --git a/include/linux/module.h b/include/linux/module.h index f807f15bebbe..e19ae08c7fb8 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -20,6 +20,7 @@ #include <linux/export.h> #include <linux/rbtree_latch.h> #include <linux/error-injection.h> +#include <linux/tracepoint-defs.h> #include <linux/percpu.h> #include <asm/module.h> @@ -430,7 +431,7 @@ struct module { #ifdef CONFIG_TRACEPOINTS unsigned int num_tracepoints; - struct tracepoint * const *tracepoints_ptrs; + tracepoint_ptr_t *tracepoints_ptrs; #endif #ifdef HAVE_JUMP_LABEL struct jump_entry *jump_entries; diff --git a/include/linux/perf/arm_pmu.h b/include/linux/perf/arm_pmu.h index 10f92e1d8e7b..bf309ff6f244 100644 --- a/include/linux/perf/arm_pmu.h +++ b/include/linux/perf/arm_pmu.h @@ -99,6 +99,7 @@ struct arm_pmu { void (*stop)(struct arm_pmu *); void (*reset)(void *); int (*map_event)(struct perf_event *event); + int (*filter_match)(struct perf_event *event); int num_events; bool secure_access; /* 32-bit ARM only */ #define ARMV8_PMUV3_MAX_COMMON_EVENTS 0x40 diff --git a/include/linux/tracepoint-defs.h b/include/linux/tracepoint-defs.h index 22c5a46e9693..49ba9cde7e4b 100644 --- a/include/linux/tracepoint-defs.h +++ b/include/linux/tracepoint-defs.h @@ -35,6 +35,12 @@ struct tracepoint { struct tracepoint_func __rcu *funcs; }; +#ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS +typedef const int tracepoint_ptr_t; +#else +typedef struct tracepoint * const tracepoint_ptr_t; +#endif + struct bpf_raw_event_map { struct tracepoint *tp; void *bpf_func; diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index 041f7e56a289..538ba1a58f5b 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -99,6 +99,29 @@ extern void syscall_unregfunc(void); #define TRACE_DEFINE_ENUM(x) #define TRACE_DEFINE_SIZEOF(x) +#ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS +static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) +{ + return offset_to_ptr(p); +} + +#define __TRACEPOINT_ENTRY(name) \ + asm(" .section \"__tracepoints_ptrs\", \"a\" \n" \ + " .balign 4 \n" \ + " .long __tracepoint_" #name " - . \n" \ + " .previous \n") +#else +static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) +{ + return *p; +} + +#define __TRACEPOINT_ENTRY(name) \ + static tracepoint_ptr_t __tracepoint_ptr_##name __used \ + __attribute__((section("__tracepoints_ptrs"))) = \ + &__tracepoint_##name +#endif + #endif /* _LINUX_TRACEPOINT_H */ /* @@ -253,19 +276,6 @@ extern void syscall_unregfunc(void); return static_key_false(&__tracepoint_##name.key); \ } -#ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS -#define __TRACEPOINT_ENTRY(name) \ - asm(" .section \"__tracepoints_ptrs\", \"a\" \n" \ - " .balign 4 \n" \ - " .long __tracepoint_" #name " - . \n" \ - " .previous \n") -#else -#define __TRACEPOINT_ENTRY(name) \ - static struct tracepoint * const __tracepoint_ptr_##name __used \ - __attribute__((section("__tracepoints_ptrs"))) = \ - &__tracepoint_##name -#endif - /* * We have no guarantee that gcc and the linker won't up-align the tracepoint * structures, so we create an array of pointers that will be used for iteration diff --git a/include/net/dst.h b/include/net/dst.h index 7f735e76ca73..6cf0870414c7 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -527,4 +527,14 @@ static inline void skb_dst_update_pmtu(struct sk_buff *skb, u32 mtu) dst->ops->update_pmtu(dst, NULL, skb, mtu); } +static inline void skb_tunnel_check_pmtu(struct sk_buff *skb, + struct dst_entry *encap_dst, + int headroom) +{ + u32 encap_mtu = dst_mtu(encap_dst); + + if (skb->len > encap_mtu - headroom) + skb_dst_update_pmtu(skb, encap_mtu - headroom); +} + #endif /* _NET_DST_H */ diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h index caabfd84a098..84097010237c 100644 --- a/include/net/ip6_fib.h +++ b/include/net/ip6_fib.h @@ -159,6 +159,10 @@ struct fib6_info { struct rt6_info * __percpu *rt6i_pcpu; struct rt6_exception_bucket __rcu *rt6i_exception_bucket; +#ifdef CONFIG_IPV6_ROUTER_PREF + unsigned long last_probe; +#endif + u32 fib6_metric; u8 fib6_protocol; u8 fib6_type; diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h index 5ef1bad81ef5..9e3d32746430 100644 --- a/include/net/sctp/sm.h +++ b/include/net/sctp/sm.h @@ -347,7 +347,7 @@ static inline __u16 sctp_data_size(struct sctp_chunk *chunk) __u16 size; size = ntohs(chunk->chunk_hdr->length); - size -= sctp_datahdr_len(&chunk->asoc->stream); + size -= sctp_datachk_len(&chunk->asoc->stream); return size; } diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 28a7c8e44636..a11f93790476 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -876,6 +876,8 @@ struct sctp_transport { unsigned long sackdelay; __u32 sackfreq; + atomic_t mtu_info; + /* When was the last time that we heard from this transport? We use * this to pick new active and retran paths. */ diff --git a/include/uapi/linux/sctp.h b/include/uapi/linux/sctp.h index b479db5c71d9..34dd3d497f2c 100644 --- a/include/uapi/linux/sctp.h +++ b/include/uapi/linux/sctp.h @@ -301,6 +301,7 @@ enum sctp_sinfo_flags { SCTP_SACK_IMMEDIATELY = (1 << 3), /* SACK should be sent without delay. */ /* 2 bits here have been used by SCTP_PR_SCTP_MASK */ SCTP_SENDALL = (1 << 6), + SCTP_PR_SCTP_ALL = (1 << 7), SCTP_NOTIFICATION = MSG_NOTIFICATION, /* Next message is not user msg but notification. */ SCTP_EOF = MSG_FIN, /* Initiate graceful shutdown process. */ }; diff --git a/kernel/bpf/xskmap.c b/kernel/bpf/xskmap.c index ef0b7b6ef8a5..686d244e798d 100644 --- a/kernel/bpf/xskmap.c +++ b/kernel/bpf/xskmap.c @@ -192,11 +192,8 @@ static int xsk_map_update_elem(struct bpf_map *map, void *key, void *value, sock_hold(sock->sk); old_xs = xchg(&m->xsk_map[i], xs); - if (old_xs) { - /* Make sure we've flushed everything. */ - synchronize_net(); + if (old_xs) sock_put((struct sock *)old_xs); - } sockfd_put(sock); return 0; @@ -212,11 +209,8 @@ static int xsk_map_delete_elem(struct bpf_map *map, void *key) return -EINVAL; old_xs = xchg(&m->xsk_map[k], NULL); - if (old_xs) { - /* Make sure we've flushed everything. */ - synchronize_net(); + if (old_xs) sock_put((struct sock *)old_xs); - } return 0; } diff --git a/kernel/trace/preemptirq_delay_test.c b/kernel/trace/preemptirq_delay_test.c index f704390db9fc..d8765c952fab 100644 --- a/kernel/trace/preemptirq_delay_test.c +++ b/kernel/trace/preemptirq_delay_test.c @@ -5,12 +5,12 @@ * Copyright (C) 2018 Joel Fernandes (Google) <joel@joelfernandes.org> */ +#include <linux/trace_clock.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/kernel.h> #include <linux/kthread.h> -#include <linux/ktime.h> #include <linux/module.h> #include <linux/printk.h> #include <linux/string.h> @@ -25,13 +25,13 @@ MODULE_PARM_DESC(test_mode, "Mode of the test such as preempt or irq (default ir static void busy_wait(ulong time) { - ktime_t start, end; - start = ktime_get(); + u64 start, end; + start = trace_clock_local(); do { - end = ktime_get(); + end = trace_clock_local(); if (kthread_should_stop()) break; - } while (ktime_to_ns(ktime_sub(end, start)) < (time * 1000)); + } while ((end - start) < (time * 1000)); } static int preemptirq_delay_run(void *data) diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c index bf2c06ef9afc..a3be42304485 100644 --- a/kernel/tracepoint.c +++ b/kernel/tracepoint.c @@ -28,8 +28,8 @@ #include <linux/sched/task.h> #include <linux/static_key.h> -extern struct tracepoint * const __start___tracepoints_ptrs[]; -extern struct tracepoint * const __stop___tracepoints_ptrs[]; +extern tracepoint_ptr_t __start___tracepoints_ptrs[]; +extern tracepoint_ptr_t __stop___tracepoints_ptrs[]; DEFINE_SRCU(tracepoint_srcu); EXPORT_SYMBOL_GPL(tracepoint_srcu); @@ -371,25 +371,17 @@ int tracepoint_probe_unregister(struct tracepoint *tp, void *probe, void *data) } EXPORT_SYMBOL_GPL(tracepoint_probe_unregister); -static void for_each_tracepoint_range(struct tracepoint * const *begin, - struct tracepoint * const *end, +static void for_each_tracepoint_range( + tracepoint_ptr_t *begin, tracepoint_ptr_t *end, void (*fct)(struct tracepoint *tp, void *priv), void *priv) { + tracepoint_ptr_t *iter; + if (!begin) return; - - if (IS_ENABLED(CONFIG_HAVE_ARCH_PREL32_RELOCATIONS)) { - const int *iter; - - for (iter = (const int *)begin; iter < (const int *)end; iter++) - fct(offset_to_ptr(iter), priv); - } else { - struct tracepoint * const *iter; - - for (iter = begin; iter < end; iter++) - fct(*iter, priv); - } + for (iter = begin; iter < end; iter++) + fct(tracepoint_ptr_deref(iter), priv); } #ifdef CONFIG_MODULES diff --git a/lib/test_ida.c b/lib/test_ida.c index 2d1637d8136b..b06880625961 100644 --- a/lib/test_ida.c +++ b/lib/test_ida.c @@ -150,10 +150,10 @@ static void ida_check_conv(struct ida *ida) IDA_BUG_ON(ida, !ida_is_empty(ida)); } +static DEFINE_IDA(ida); + static int ida_checks(void) { - DEFINE_IDA(ida); - IDA_BUG_ON(&ida, !ida_is_empty(&ida)); ida_check_alloc(&ida); ida_check_destroy(&ida); diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 00704060b7f7..deed97fba979 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1780,7 +1780,7 @@ static pmd_t move_soft_dirty_pmd(pmd_t pmd) bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr, unsigned long new_addr, unsigned long old_end, - pmd_t *old_pmd, pmd_t *new_pmd, bool *need_flush) + pmd_t *old_pmd, pmd_t *new_pmd) { spinlock_t *old_ptl, *new_ptl; pmd_t pmd; @@ -1811,7 +1811,7 @@ bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr, if (new_ptl != old_ptl) spin_lock_nested(new_ptl, SINGLE_DEPTH_NESTING); pmd = pmdp_huge_get_and_clear(mm, old_addr, old_pmd); - if (pmd_present(pmd) && pmd_dirty(pmd)) + if (pmd_present(pmd)) force_flush = true; VM_BUG_ON(!pmd_none(*new_pmd)); @@ -1822,12 +1822,10 @@ bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr, } pmd = move_soft_dirty_pmd(pmd); set_pmd_at(mm, new_addr, new_pmd, pmd); - if (new_ptl != old_ptl) - spin_unlock(new_ptl); if (force_flush) flush_tlb_range(vma, old_addr, old_addr + PMD_SIZE); - else - *need_flush = true; + if (new_ptl != old_ptl) + spin_unlock(new_ptl); spin_unlock(old_ptl); return true; } @@ -2885,9 +2883,6 @@ void set_pmd_migration_entry(struct page_vma_mapped_walk *pvmw, if (!(pvmw->pmd && !pvmw->pte)) return; - mmu_notifier_invalidate_range_start(mm, address, - address + HPAGE_PMD_SIZE); - flush_cache_range(vma, address, address + HPAGE_PMD_SIZE); pmdval = *pvmw->pmd; pmdp_invalidate(vma, address, pvmw->pmd); @@ -2900,9 +2895,6 @@ void set_pmd_migration_entry(struct page_vma_mapped_walk *pvmw, set_pmd_at(mm, address, pvmw->pmd, pmdswp); page_remove_rmap(page, true); put_page(page); - - mmu_notifier_invalidate_range_end(mm, address, - address + HPAGE_PMD_SIZE); } void remove_migration_pmd(struct page_vma_mapped_walk *pvmw, struct page *new) diff --git a/mm/mmap.c b/mm/mmap.c index 5f2b2b184c60..f7cd9cb966c0 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1410,7 +1410,7 @@ unsigned long do_mmap(struct file *file, unsigned long addr, if (flags & MAP_FIXED_NOREPLACE) { struct vm_area_struct *vma = find_vma(mm, addr); - if (vma && vma->vm_start <= addr) + if (vma && vma->vm_start < addr + len) return -EEXIST; } diff --git a/mm/mremap.c b/mm/mremap.c index 5c2e18505f75..a9617e72e6b7 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -115,7 +115,7 @@ static pte_t move_soft_dirty_pte(pte_t pte) static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd, unsigned long old_addr, unsigned long old_end, struct vm_area_struct *new_vma, pmd_t *new_pmd, - unsigned long new_addr, bool need_rmap_locks, bool *need_flush) + unsigned long new_addr, bool need_rmap_locks) { struct mm_struct *mm = vma->vm_mm; pte_t *old_pte, *new_pte, pte; @@ -163,15 +163,17 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd, pte = ptep_get_and_clear(mm, old_addr, old_pte); /* - * If we are remapping a dirty PTE, make sure + * If we are remapping a valid PTE, make sure * to flush TLB before we drop the PTL for the - * old PTE or we may race with page_mkclean(). + * PTE. * - * This check has to be done after we removed the - * old PTE from page tables or another thread may - * dirty it after the check and before the removal. + * NOTE! Both old and new PTL matter: the old one + * for racing with page_mkclean(), the new one to + * make sure the physical page stays valid until + * the TLB entry for the old mapping has been + * flushed. */ - if (pte_present(pte) && pte_dirty(pte)) + if (pte_present(pte)) force_flush = true; pte = move_pte(pte, new_vma->vm_page_prot, old_addr, new_addr); pte = move_soft_dirty_pte(pte); @@ -179,13 +181,11 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd, } arch_leave_lazy_mmu_mode(); + if (force_flush) + flush_tlb_range(vma, old_end - len, old_end); if (new_ptl != old_ptl) spin_unlock(new_ptl); pte_unmap(new_pte - 1); - if (force_flush) - flush_tlb_range(vma, old_end - len, old_end); - else - *need_flush = true; pte_unmap_unlock(old_pte - 1, old_ptl); if (need_rmap_locks) drop_rmap_locks(vma); @@ -198,7 +198,6 @@ unsigned long move_page_tables(struct vm_area_struct *vma, { unsigned long extent, next, old_end; pmd_t *old_pmd, *new_pmd; - bool need_flush = false; unsigned long mmun_start; /* For mmu_notifiers */ unsigned long mmun_end; /* For mmu_notifiers */ @@ -229,8 +228,7 @@ unsigned long move_page_tables(struct vm_area_struct *vma, if (need_rmap_locks) take_rmap_locks(vma); moved = move_huge_pmd(vma, old_addr, new_addr, - old_end, old_pmd, new_pmd, - &need_flush); + old_end, old_pmd, new_pmd); if (need_rmap_locks) drop_rmap_locks(vma); if (moved) @@ -246,10 +244,8 @@ unsigned long move_page_tables(struct vm_area_struct *vma, if (extent > next - new_addr) extent = next - new_addr; move_ptes(vma, old_pmd, old_addr, old_addr + extent, new_vma, - new_pmd, new_addr, need_rmap_locks, &need_flush); + new_pmd, new_addr, need_rmap_locks); } - if (need_flush) - flush_tlb_range(vma, old_end-len, old_addr); mmu_notifier_invalidate_range_end(vma->vm_mm, mmun_start, mmun_end); diff --git a/net/bpfilter/bpfilter_kern.c b/net/bpfilter/bpfilter_kern.c index b64e1649993b..94e88f510c5b 100644 --- a/net/bpfilter/bpfilter_kern.c +++ b/net/bpfilter/bpfilter_kern.c @@ -23,9 +23,11 @@ static void shutdown_umh(struct umh_info *info) if (!info->pid) return; - tsk = pid_task(find_vpid(info->pid), PIDTYPE_PID); - if (tsk) + tsk = get_pid_task(find_vpid(info->pid), PIDTYPE_PID); + if (tsk) { force_sig(SIGKILL, tsk); + put_task_struct(tsk); + } fput(info->pipe_to_umh); fput(info->pipe_from_umh); info->pid = 0; diff --git a/net/core/ethtool.c b/net/core/ethtool.c index 4cc603dfc9ef..d05402868575 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -928,6 +928,9 @@ static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev, return -EINVAL; } + if (info.cmd != cmd) + return -EINVAL; + if (info.cmd == ETHTOOL_GRXCLSRLALL) { if (info.rule_cnt > 0) { if (info.rule_cnt <= KMALLOC_MAX_SIZE / sizeof(u32)) @@ -2392,13 +2395,17 @@ roll_back: return ret; } -static int ethtool_set_per_queue(struct net_device *dev, void __user *useraddr) +static int ethtool_set_per_queue(struct net_device *dev, + void __user *useraddr, u32 sub_cmd) { struct ethtool_per_queue_op per_queue_opt; if (copy_from_user(&per_queue_opt, useraddr, sizeof(per_queue_opt))) return -EFAULT; + if (per_queue_opt.sub_command != sub_cmd) + return -EINVAL; + switch (per_queue_opt.sub_command) { case ETHTOOL_GCOALESCE: return ethtool_get_per_queue_coalesce(dev, useraddr, &per_queue_opt); @@ -2769,7 +2776,7 @@ int dev_ethtool(struct net *net, struct ifreq *ifr) rc = ethtool_get_phy_stats(dev, useraddr); break; case ETHTOOL_PERQUEUE: - rc = ethtool_set_per_queue(dev, useraddr); + rc = ethtool_set_per_queue(dev, useraddr, sub_cmd); break; case ETHTOOL_GLINKSETTINGS: rc = ethtool_get_link_ksettings(dev, useraddr); diff --git a/net/core/netpoll.c b/net/core/netpoll.c index de1d1ba92f2d..3ae899805f8b 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -312,7 +312,6 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb, /* It is up to the caller to keep npinfo alive. */ struct netpoll_info *npinfo; - rcu_read_lock_bh(); lockdep_assert_irqs_disabled(); npinfo = rcu_dereference_bh(np->dev->npinfo); @@ -357,7 +356,6 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb, skb_queue_tail(&npinfo->txq, skb); schedule_delayed_work(&npinfo->tx_work,0); } - rcu_read_unlock_bh(); } EXPORT_SYMBOL(netpoll_send_skb_on_dev); diff --git a/net/ipv4/ipmr_base.c b/net/ipv4/ipmr_base.c index 844806120f44..3e614cc824f7 100644 --- a/net/ipv4/ipmr_base.c +++ b/net/ipv4/ipmr_base.c @@ -315,8 +315,6 @@ int mr_table_dump(struct mr_table *mrt, struct sk_buff *skb, next_entry: e++; } - e = 0; - s_e = 0; spin_lock_bh(lock); list_for_each_entry(mfc, &mrt->mfc_unres_queue, list) { diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index a0b6932c3afd..a9d06d4dd057 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1184,11 +1184,6 @@ route_lookup: } skb_dst_set(skb, dst); - if (encap_limit >= 0) { - init_tel_txopt(&opt, encap_limit); - ipv6_push_frag_opts(skb, &opt.ops, &proto); - } - if (hop_limit == 0) { if (skb->protocol == htons(ETH_P_IP)) hop_limit = ip_hdr(skb)->ttl; @@ -1210,6 +1205,11 @@ route_lookup: if (err) return err; + if (encap_limit >= 0) { + init_tel_txopt(&opt, encap_limit); + ipv6_push_frag_opts(skb, &opt.ops, &proto); + } + skb_push(skb, sizeof(struct ipv6hdr)); skb_reset_network_header(skb); ipv6h = ipv6_hdr(skb); diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index 6895e1dc0b03..21f6deb2aec9 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -2436,17 +2436,17 @@ static int ip6_mc_leave_src(struct sock *sk, struct ipv6_mc_socklist *iml, { int err; - /* callers have the socket lock and rtnl lock - * so no other readers or writers of iml or its sflist - */ + write_lock_bh(&iml->sflock); if (!iml->sflist) { /* any-source empty exclude case */ - return ip6_mc_del_src(idev, &iml->addr, iml->sfmode, 0, NULL, 0); + err = ip6_mc_del_src(idev, &iml->addr, iml->sfmode, 0, NULL, 0); + } else { + err = ip6_mc_del_src(idev, &iml->addr, iml->sfmode, + iml->sflist->sl_count, iml->sflist->sl_addr, 0); + sock_kfree_s(sk, iml->sflist, IP6_SFLSIZE(iml->sflist->sl_max)); + iml->sflist = NULL; } - err = ip6_mc_del_src(idev, &iml->addr, iml->sfmode, - iml->sflist->sl_count, iml->sflist->sl_addr, 0); - sock_kfree_s(sk, iml->sflist, IP6_SFLSIZE(iml->sflist->sl_max)); - iml->sflist = NULL; + write_unlock_bh(&iml->sflock); return err; } diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 9fd600e42f9d..e3226284e480 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -517,10 +517,11 @@ static void rt6_probe_deferred(struct work_struct *w) static void rt6_probe(struct fib6_info *rt) { - struct __rt6_probe_work *work; + struct __rt6_probe_work *work = NULL; const struct in6_addr *nh_gw; struct neighbour *neigh; struct net_device *dev; + struct inet6_dev *idev; /* * Okay, this does not seem to be appropriate @@ -536,15 +537,12 @@ static void rt6_probe(struct fib6_info *rt) nh_gw = &rt->fib6_nh.nh_gw; dev = rt->fib6_nh.nh_dev; rcu_read_lock_bh(); + idev = __in6_dev_get(dev); neigh = __ipv6_neigh_lookup_noref(dev, nh_gw); if (neigh) { - struct inet6_dev *idev; - if (neigh->nud_state & NUD_VALID) goto out; - idev = __in6_dev_get(dev); - work = NULL; write_lock(&neigh->lock); if (!(neigh->nud_state & NUD_VALID) && time_after(jiffies, @@ -554,11 +552,13 @@ static void rt6_probe(struct fib6_info *rt) __neigh_set_probe_once(neigh); } write_unlock(&neigh->lock); - } else { + } else if (time_after(jiffies, rt->last_probe + + idev->cnf.rtr_probe_interval)) { work = kmalloc(sizeof(*work), GFP_ATOMIC); } if (work) { + rt->last_probe = jiffies; INIT_WORK(&work->work, rt6_probe_deferred); work->target = *nh_gw; dev_hold(dev); diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 374e7d302f26..06d17ff3562f 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -766,11 +766,9 @@ static int udp6_unicast_rcv_skb(struct sock *sk, struct sk_buff *skb, ret = udpv6_queue_rcv_skb(sk, skb); - /* a return value > 0 means to resubmit the input, but - * it wants the return to be -protocol, or 0 - */ + /* a return value > 0 means to resubmit the input */ if (ret > 0) - return -ret; + return ret; return 0; } diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c index ef3defaf43b9..d35bcf92969c 100644 --- a/net/ipv6/xfrm6_policy.c +++ b/net/ipv6/xfrm6_policy.c @@ -146,8 +146,8 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse) fl6->daddr = reverse ? hdr->saddr : hdr->daddr; fl6->saddr = reverse ? hdr->daddr : hdr->saddr; - while (nh + offset + 1 < skb->data || - pskb_may_pull(skb, nh + offset + 1 - skb->data)) { + while (nh + offset + sizeof(*exthdr) < skb->data || + pskb_may_pull(skb, nh + offset + sizeof(*exthdr) - skb->data)) { nh = skb_network_header(skb); exthdr = (struct ipv6_opt_hdr *)(nh + offset); diff --git a/net/llc/llc_conn.c b/net/llc/llc_conn.c index c0ac522b48a1..4ff89cb7c86f 100644 --- a/net/llc/llc_conn.c +++ b/net/llc/llc_conn.c @@ -734,6 +734,7 @@ void llc_sap_add_socket(struct llc_sap *sap, struct sock *sk) llc_sk(sk)->sap = sap; spin_lock_bh(&sap->sk_lock); + sock_set_flag(sk, SOCK_RCU_FREE); sap->sk_count++; sk_nulls_add_node_rcu(sk, laddr_hb); hlist_add_head(&llc->dev_hash_node, dev_hb); diff --git a/net/rxrpc/call_accept.c b/net/rxrpc/call_accept.c index e0d8ca03169a..44860505246d 100644 --- a/net/rxrpc/call_accept.c +++ b/net/rxrpc/call_accept.c @@ -337,7 +337,7 @@ struct rxrpc_call *rxrpc_new_incoming_call(struct rxrpc_local *local, { struct rxrpc_skb_priv *sp = rxrpc_skb(skb); struct rxrpc_connection *conn; - struct rxrpc_peer *peer; + struct rxrpc_peer *peer = NULL; struct rxrpc_call *call; _enter(""); diff --git a/net/rxrpc/local_object.c b/net/rxrpc/local_object.c index cad0691c2bb4..0906e51d3cfb 100644 --- a/net/rxrpc/local_object.c +++ b/net/rxrpc/local_object.c @@ -139,7 +139,7 @@ static int rxrpc_open_socket(struct rxrpc_local *local, struct net *net) udp_sk(usk)->gro_complete = NULL; udp_encap_enable(); -#if IS_ENABLED(CONFIG_IPV6) +#if IS_ENABLED(CONFIG_AF_RXRPC_IPV6) if (local->srx.transport.family == AF_INET6) udpv6_encap_enable(); #endif diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c index 0f0b499d1202..189418888839 100644 --- a/net/rxrpc/output.c +++ b/net/rxrpc/output.c @@ -572,7 +572,8 @@ void rxrpc_reject_packets(struct rxrpc_local *local) whdr.flags ^= RXRPC_CLIENT_INITIATED; whdr.flags &= RXRPC_CLIENT_INITIATED; - ret = kernel_sendmsg(local->socket, &msg, iov, 2, size); + ret = kernel_sendmsg(local->socket, &msg, + iov, ioc, size); if (ret < 0) trace_rxrpc_tx_fail(local->debug_id, 0, ret, rxrpc_tx_point_reject); diff --git a/net/rxrpc/peer_event.c b/net/rxrpc/peer_event.c index 7feb611c7258..bc05af89fc38 100644 --- a/net/rxrpc/peer_event.c +++ b/net/rxrpc/peer_event.c @@ -197,6 +197,7 @@ void rxrpc_error_report(struct sock *sk) rxrpc_store_error(peer, serr); rcu_read_unlock(); rxrpc_free_skb(skb, rxrpc_skb_rx_freed); + rxrpc_put_peer(peer); _leave(""); } diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index 43c8559aca56..f427a1e00e7e 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -31,6 +31,8 @@ #include <net/pkt_sched.h> #include <net/pkt_cls.h> +extern const struct nla_policy rtm_tca_policy[TCA_MAX + 1]; + /* The list of all installed classifier types */ static LIST_HEAD(tcf_proto_base); @@ -1304,7 +1306,7 @@ static int tc_new_tfilter(struct sk_buff *skb, struct nlmsghdr *n, replay: tp_created = 0; - err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, NULL, extack); + err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, rtm_tca_policy, extack); if (err < 0) return err; @@ -1454,7 +1456,7 @@ static int tc_del_tfilter(struct sk_buff *skb, struct nlmsghdr *n, if (!netlink_ns_capable(skb, net->user_ns, CAP_NET_ADMIN)) return -EPERM; - err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, NULL, extack); + err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, rtm_tca_policy, extack); if (err < 0) return err; @@ -1570,7 +1572,7 @@ static int tc_get_tfilter(struct sk_buff *skb, struct nlmsghdr *n, void *fh = NULL; int err; - err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, NULL, extack); + err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, rtm_tca_policy, extack); if (err < 0) return err; @@ -1937,7 +1939,7 @@ static int tc_ctl_chain(struct sk_buff *skb, struct nlmsghdr *n, return -EPERM; replay: - err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, NULL, extack); + err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, rtm_tca_policy, extack); if (err < 0) return err; @@ -2055,7 +2057,7 @@ static int tc_dump_chain(struct sk_buff *skb, struct netlink_callback *cb) if (nlmsg_len(cb->nlh) < sizeof(*tcm)) return skb->len; - err = nlmsg_parse(cb->nlh, sizeof(*tcm), tca, TCA_MAX, NULL, + err = nlmsg_parse(cb->nlh, sizeof(*tcm), tca, TCA_MAX, rtm_tca_policy, cb->extack); if (err) return err; diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index cf5c714ae786..022bca98bde6 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -1318,10 +1318,6 @@ check_loop_fn(struct Qdisc *q, unsigned long cl, struct qdisc_walker *w) return 0; } -/* - * Delete/get qdisc. - */ - const struct nla_policy rtm_tca_policy[TCA_MAX + 1] = { [TCA_KIND] = { .type = NLA_STRING }, [TCA_OPTIONS] = { .type = NLA_NESTED }, @@ -1334,6 +1330,10 @@ const struct nla_policy rtm_tca_policy[TCA_MAX + 1] = { [TCA_EGRESS_BLOCK] = { .type = NLA_U32 }, }; +/* + * Delete/get qdisc. + */ + static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n, struct netlink_ext_ack *extack) { @@ -2070,7 +2070,8 @@ static int tc_dump_tclass_root(struct Qdisc *root, struct sk_buff *skb, if (tcm->tcm_parent) { q = qdisc_match_from_root(root, TC_H_MAJ(tcm->tcm_parent)); - if (q && tc_dump_tclass_qdisc(q, skb, tcm, cb, t_p, s_t) < 0) + if (q && q != root && + tc_dump_tclass_qdisc(q, skb, tcm, cb, t_p, s_t) < 0) return -1; return 0; } diff --git a/net/sctp/associola.c b/net/sctp/associola.c index 297d9cf960b9..a827a1f562bf 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -1450,7 +1450,8 @@ void sctp_assoc_sync_pmtu(struct sctp_association *asoc) /* Get the lowest pmtu of all the transports. */ list_for_each_entry(t, &asoc->peer.transport_addr_list, transports) { if (t->pmtu_pending && t->dst) { - sctp_transport_update_pmtu(t, sctp_dst_mtu(t->dst)); + sctp_transport_update_pmtu(t, + atomic_read(&t->mtu_info)); t->pmtu_pending = 0; } if (!pmtu || (t->pathmtu < pmtu)) diff --git a/net/sctp/input.c b/net/sctp/input.c index 9bbc5f92c941..5c36a99882ed 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -395,6 +395,7 @@ void sctp_icmp_frag_needed(struct sock *sk, struct sctp_association *asoc, return; if (sock_owned_by_user(sk)) { + atomic_set(&t->mtu_info, pmtu); asoc->pmtu_pending = 1; t->pmtu_pending = 1; return; diff --git a/net/sctp/output.c b/net/sctp/output.c index 7f849b01ec8e..67939ad99c01 100644 --- a/net/sctp/output.c +++ b/net/sctp/output.c @@ -120,6 +120,12 @@ void sctp_packet_config(struct sctp_packet *packet, __u32 vtag, sctp_assoc_sync_pmtu(asoc); } + if (asoc->pmtu_pending) { + if (asoc->param_flags & SPP_PMTUD_ENABLE) + sctp_assoc_sync_pmtu(asoc); + asoc->pmtu_pending = 0; + } + /* If there a is a prepend chunk stick it on the list before * any other chunks get appended. */ diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 111ebd89f0ab..fc0386e8ff23 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -253,11 +253,10 @@ struct sctp_association *sctp_id2assoc(struct sock *sk, sctp_assoc_t id) spin_lock_bh(&sctp_assocs_id_lock); asoc = (struct sctp_association *)idr_find(&sctp_assocs_id, (int)id); + if (asoc && (asoc->base.sk != sk || asoc->base.dead)) + asoc = NULL; spin_unlock_bh(&sctp_assocs_id_lock); - if (!asoc || (asoc->base.sk != sk) || asoc->base.dead) - return NULL; - return asoc; } @@ -1928,8 +1927,10 @@ static int sctp_sendmsg_to_asoc(struct sctp_association *asoc, if (sp->strm_interleave) { timeo = sock_sndtimeo(sk, 0); err = sctp_wait_for_connect(asoc, &timeo); - if (err) + if (err) { + err = -ESRCH; goto err; + } } else { wait_connect = true; } @@ -7082,14 +7083,14 @@ static int sctp_getsockopt_pr_assocstatus(struct sock *sk, int len, } policy = params.sprstat_policy; - if (policy & ~SCTP_PR_SCTP_MASK) + if (!policy || (policy & ~(SCTP_PR_SCTP_MASK | SCTP_PR_SCTP_ALL))) goto out; asoc = sctp_id2assoc(sk, params.sprstat_assoc_id); if (!asoc) goto out; - if (policy == SCTP_PR_SCTP_NONE) { + if (policy & SCTP_PR_SCTP_ALL) { params.sprstat_abandoned_unsent = 0; params.sprstat_abandoned_sent = 0; for (policy = 0; policy <= SCTP_PR_INDEX(MAX); policy++) { @@ -7141,7 +7142,7 @@ static int sctp_getsockopt_pr_streamstatus(struct sock *sk, int len, } policy = params.sprstat_policy; - if (policy & ~SCTP_PR_SCTP_MASK) + if (!policy || (policy & ~(SCTP_PR_SCTP_MASK | SCTP_PR_SCTP_ALL))) goto out; asoc = sctp_id2assoc(sk, params.sprstat_assoc_id); @@ -7157,7 +7158,7 @@ static int sctp_getsockopt_pr_streamstatus(struct sock *sk, int len, goto out; } - if (policy == SCTP_PR_SCTP_NONE) { + if (policy == SCTP_PR_SCTP_ALL) { params.sprstat_abandoned_unsent = 0; params.sprstat_abandoned_sent = 0; for (policy = 0; policy <= SCTP_PR_INDEX(MAX); policy++) { diff --git a/net/socket.c b/net/socket.c index 713dc4833d40..b68801c7d0ab 100644 --- a/net/socket.c +++ b/net/socket.c @@ -2875,9 +2875,14 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32) copy_in_user(&rxnfc->fs.ring_cookie, &compat_rxnfc->fs.ring_cookie, (void __user *)(&rxnfc->fs.location + 1) - - (void __user *)&rxnfc->fs.ring_cookie) || - copy_in_user(&rxnfc->rule_cnt, &compat_rxnfc->rule_cnt, - sizeof(rxnfc->rule_cnt))) + (void __user *)&rxnfc->fs.ring_cookie)) + return -EFAULT; + if (ethcmd == ETHTOOL_GRXCLSRLALL) { + if (put_user(rule_cnt, &rxnfc->rule_cnt)) + return -EFAULT; + } else if (copy_in_user(&rxnfc->rule_cnt, + &compat_rxnfc->rule_cnt, + sizeof(rxnfc->rule_cnt))) return -EFAULT; } diff --git a/net/tipc/group.c b/net/tipc/group.c index e82f13cb2dc5..06fee142f09f 100644 --- a/net/tipc/group.c +++ b/net/tipc/group.c @@ -666,6 +666,7 @@ static void tipc_group_create_event(struct tipc_group *grp, struct sk_buff *skb; struct tipc_msg *hdr; + memset(&evt, 0, sizeof(evt)); evt.event = event; evt.found_lower = m->instance; evt.found_upper = m->instance; diff --git a/net/tipc/link.c b/net/tipc/link.c index f6552e4f4b43..201c3b5bc96b 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -1041,6 +1041,7 @@ static int tipc_link_retrans(struct tipc_link *l, struct tipc_link *r, if (r->last_retransm != buf_seqno(skb)) { r->last_retransm = buf_seqno(skb); r->stale_limit = jiffies + msecs_to_jiffies(r->tolerance); + r->stale_cnt = 0; } else if (++r->stale_cnt > 99 && time_after(jiffies, r->stale_limit)) { link_retransmit_failure(l, skb); if (link_is_bc_sndlink(l)) diff --git a/net/tipc/name_distr.c b/net/tipc/name_distr.c index 51b4b96f89db..3cfeb9df64b0 100644 --- a/net/tipc/name_distr.c +++ b/net/tipc/name_distr.c @@ -115,7 +115,7 @@ struct sk_buff *tipc_named_withdraw(struct net *net, struct publication *publ) struct sk_buff *buf; struct distr_item *item; - list_del(&publ->binding_node); + list_del_rcu(&publ->binding_node); if (publ->scope == TIPC_NODE_SCOPE) return NULL; @@ -147,7 +147,7 @@ static void named_distribute(struct net *net, struct sk_buff_head *list, ITEM_SIZE) * ITEM_SIZE; u32 msg_rem = msg_dsz; - list_for_each_entry(publ, pls, binding_node) { + list_for_each_entry_rcu(publ, pls, binding_node) { /* Prepare next buffer: */ if (!skb) { skb = named_prepare_buf(net, PUBLICATION, msg_rem, diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c index 0577cd49aa72..07156f43d295 100644 --- a/net/xdp/xsk.c +++ b/net/xdp/xsk.c @@ -754,6 +754,8 @@ static int xsk_create(struct net *net, struct socket *sock, int protocol, sk->sk_destruct = xsk_destruct; sk_refcnt_debug_inc(sk); + sock_set_flag(sk, SOCK_RCU_FREE); + xs = xdp_sk(sk); mutex_init(&xs->mutex); spin_lock_init(&xs->tx_completion_lock); diff --git a/net/xfrm/xfrm_interface.c b/net/xfrm/xfrm_interface.c index abafd49cc65d..d679fa0f44b3 100644 --- a/net/xfrm/xfrm_interface.c +++ b/net/xfrm/xfrm_interface.c @@ -116,6 +116,9 @@ static void xfrmi_unlink(struct xfrmi_net *xfrmn, struct xfrm_if *xi) static void xfrmi_dev_free(struct net_device *dev) { + struct xfrm_if *xi = netdev_priv(dev); + + gro_cells_destroy(&xi->gro_cells); free_percpu(dev->tstats); } diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index f094d4b3520d..119a427d9b2b 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -632,9 +632,9 @@ static void xfrm_hash_rebuild(struct work_struct *work) break; } if (newpos) - hlist_add_behind(&policy->bydst, newpos); + hlist_add_behind_rcu(&policy->bydst, newpos); else - hlist_add_head(&policy->bydst, chain); + hlist_add_head_rcu(&policy->bydst, chain); } spin_unlock_bh(&net->xfrm.xfrm_policy_lock); @@ -774,9 +774,9 @@ int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl) break; } if (newpos) - hlist_add_behind(&policy->bydst, newpos); + hlist_add_behind_rcu(&policy->bydst, newpos); else - hlist_add_head(&policy->bydst, chain); + hlist_add_head_rcu(&policy->bydst, chain); __xfrm_policy_link(policy, dir); /* After previous checking, family can either be AF_INET or AF_INET6 */ diff --git a/tools/testing/selftests/net/reuseport_bpf.c b/tools/testing/selftests/net/reuseport_bpf.c index cad14cd0ea92..b5277106df1f 100644 --- a/tools/testing/selftests/net/reuseport_bpf.c +++ b/tools/testing/selftests/net/reuseport_bpf.c @@ -437,14 +437,19 @@ void enable_fastopen(void) } } -static struct rlimit rlim_old, rlim_new; +static struct rlimit rlim_old; static __attribute__((constructor)) void main_ctor(void) { getrlimit(RLIMIT_MEMLOCK, &rlim_old); - rlim_new.rlim_cur = rlim_old.rlim_cur + (1UL << 20); - rlim_new.rlim_max = rlim_old.rlim_max + (1UL << 20); - setrlimit(RLIMIT_MEMLOCK, &rlim_new); + + if (rlim_old.rlim_cur != RLIM_INFINITY) { + struct rlimit rlim_new; + + rlim_new.rlim_cur = rlim_old.rlim_cur + (1UL << 20); + rlim_new.rlim_max = rlim_old.rlim_max + (1UL << 20); + setrlimit(RLIMIT_MEMLOCK, &rlim_new); + } } static __attribute__((destructor)) void main_dtor(void) |