diff options
138 files changed, 800 insertions, 959 deletions
diff --git a/Documentation/core-api/idr.rst b/Documentation/core-api/idr.rst index d351e880a2f6c..a2738050c4f00 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 01a2f89338255..7ad424b7b8df3 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -10130,7 +10130,6 @@ 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* @@ -13070,7 +13069,7 @@ 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 diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c index f329b466e68f6..2d14f17838d23 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/sparc/include/asm/cpudata_64.h b/arch/sparc/include/asm/cpudata_64.h index 666d6b5c04404..9c3fc03abe9ae 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 09acf0ddec10c..45b4bf1875e6b 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 cc42225c20f3c..4e8f56c3793c4 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 d3149baaa33c6..67b3e6b3ce5d7 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 d941875dd7186..92627abce3112 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 17c87d29ff20d..b51cbb9e87dcb 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 6220411ce8fce..baeaeed649939 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 f6528884a2c89..4073e2b87dd0e 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 12bee14b552cd..621a363098ecc 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 387ef993880ae..bb68c805b8918 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 3feb3d960ca50..75dca9aab737c 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 f51595f861b85..5eaff3c1aa0c7 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/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index 28764dacf0182..466f66c8a7f8d 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -37,6 +37,7 @@ KBUILD_CFLAGS += $(call cc-option,-ffreestanding) KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) KBUILD_CFLAGS += $(call cc-disable-warning, gnu) +KBUILD_CFLAGS += -Wno-pointer-sign KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ GCOV_PROFILE := n diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index 2767c625a52cf..fbbf1ba57ec67 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -389,6 +389,13 @@ * that register for the time this macro runs */ + /* + * The high bits of the CS dword (__csh) are used for + * CS_FROM_ENTRY_STACK and CS_FROM_USER_CR3. Clear them in case + * hardware didn't do this for us. + */ + andl $(0x0000ffff), PT_CS(%esp) + /* Are we on the entry stack? Bail out if not! */ movl PER_CPU_VAR(cpu_entry_area), %ecx addl $CPU_ENTRY_AREA_entry_stack + SIZEOF_entry_stack, %ecx @@ -407,12 +414,6 @@ /* Load top of task-stack into %edi */ movl TSS_entry2task_stack(%edi), %edi - /* - * Clear unused upper bits of the dword containing the word-sized CS - * slot in pt_regs in case hardware didn't clear it for us. - */ - andl $(0x0000ffff), PT_CS(%esp) - /* Special case - entry from kernel mode via entry stack */ #ifdef CONFIG_VM86 movl PT_EFLAGS(%esp), %ecx # mix EFLAGS and CS diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index 957dfb693eccd..f95dcb209fdff 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -1187,6 +1187,16 @@ ENTRY(paranoid_entry) xorl %ebx, %ebx 1: + /* + * Always stash CR3 in %r14. This value will be restored, + * verbatim, at exit. Needed if paranoid_entry interrupted + * another entry that already switched to the user CR3 value + * but has not yet returned to userspace. + * + * This is also why CS (stashed in the "iret frame" by the + * hardware at entry) can not be used: this may be a return + * to kernel code, but with a user CR3 value. + */ SAVE_AND_SWITCH_TO_KERNEL_CR3 scratch_reg=%rax save_reg=%r14 ret @@ -1211,11 +1221,13 @@ ENTRY(paranoid_exit) testl %ebx, %ebx /* swapgs needed? */ jnz .Lparanoid_exit_no_swapgs TRACE_IRQS_IRETQ + /* Always restore stashed CR3 value (see paranoid_entry) */ RESTORE_CR3 scratch_reg=%rbx save_reg=%r14 SWAPGS_UNSAFE_STACK jmp .Lparanoid_exit_restore .Lparanoid_exit_no_swapgs: TRACE_IRQS_IRETQ_DEBUG + /* Always restore stashed CR3 value (see paranoid_entry) */ RESTORE_CR3 scratch_reg=%rbx save_reg=%r14 .Lparanoid_exit_restore: jmp restore_regs_and_return_to_kernel @@ -1626,6 +1638,7 @@ end_repeat_nmi: movq $-1, %rsi call do_nmi + /* Always restore stashed CR3 value (see paranoid_entry) */ RESTORE_CR3 scratch_reg=%r15 save_reg=%r14 testl %ebx, %ebx /* swapgs needed? */ diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h index a38bf5a1e37ad..69dcdf195b611 100644 --- a/arch/x86/include/asm/fpu/internal.h +++ b/arch/x86/include/asm/fpu/internal.h @@ -528,7 +528,7 @@ static inline void fpregs_activate(struct fpu *fpu) static inline void switch_fpu_prepare(struct fpu *old_fpu, int cpu) { - if (old_fpu->initialized) { + if (static_cpu_has(X86_FEATURE_FPU) && old_fpu->initialized) { if (!copy_fpregs_to_fpstate(old_fpu)) old_fpu->last_cpu = -1; else diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h index e9202a0de8f0b..1a19d11cfbbd1 100644 --- a/arch/x86/include/asm/percpu.h +++ b/arch/x86/include/asm/percpu.h @@ -185,22 +185,22 @@ do { \ typeof(var) pfo_ret__; \ switch (sizeof(var)) { \ case 1: \ - asm(op "b "__percpu_arg(1)",%0" \ + asm volatile(op "b "__percpu_arg(1)",%0"\ : "=q" (pfo_ret__) \ : "m" (var)); \ break; \ case 2: \ - asm(op "w "__percpu_arg(1)",%0" \ + asm volatile(op "w "__percpu_arg(1)",%0"\ : "=r" (pfo_ret__) \ : "m" (var)); \ break; \ case 4: \ - asm(op "l "__percpu_arg(1)",%0" \ + asm volatile(op "l "__percpu_arg(1)",%0"\ : "=r" (pfo_ret__) \ : "m" (var)); \ break; \ case 8: \ - asm(op "q "__percpu_arg(1)",%0" \ + asm volatile(op "q "__percpu_arg(1)",%0"\ : "=r" (pfo_ret__) \ : "m" (var)); \ break; \ diff --git a/arch/x86/kernel/fpu/signal.c b/arch/x86/kernel/fpu/signal.c index 23f1691670b66..61a949d84dfa5 100644 --- a/arch/x86/kernel/fpu/signal.c +++ b/arch/x86/kernel/fpu/signal.c @@ -314,7 +314,6 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size) * thread's fpu state, reconstruct fxstate from the fsave * header. Validate and sanitize the copied state. */ - struct fpu *fpu = &tsk->thread.fpu; struct user_i387_ia32_struct env; int err = 0; diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c index 661583662430e..71c0b01d93b1b 100644 --- a/arch/x86/kernel/pci-swiotlb.c +++ b/arch/x86/kernel/pci-swiotlb.c @@ -42,10 +42,8 @@ IOMMU_INIT_FINISH(pci_swiotlb_detect_override, int __init pci_swiotlb_detect_4gb(void) { /* don't initialize swiotlb if iommu=off (no_iommu=1) */ -#ifdef CONFIG_X86_64 if (!no_iommu && max_possible_pfn > MAX_DMA32_PFN) swiotlb = 1; -#endif /* * If SME is active then swiotlb will be set to 1 so that bounce diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c index be01328eb755c..fddaefc51fb6d 100644 --- a/arch/x86/kernel/time.c +++ b/arch/x86/kernel/time.c @@ -25,7 +25,7 @@ #include <asm/time.h> #ifdef CONFIG_X86_64 -__visible volatile unsigned long jiffies __cacheline_aligned = INITIAL_JIFFIES; +__visible volatile unsigned long jiffies __cacheline_aligned_in_smp = INITIAL_JIFFIES; #endif unsigned long profile_pc(struct pt_regs *regs) diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index b52bd2b6cdb44..6d5dc5dabfd7e 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -58,7 +58,7 @@ struct cyc2ns { static DEFINE_PER_CPU_ALIGNED(struct cyc2ns, cyc2ns); -void cyc2ns_read_begin(struct cyc2ns_data *data) +void __always_inline cyc2ns_read_begin(struct cyc2ns_data *data) { int seq, idx; @@ -75,7 +75,7 @@ void cyc2ns_read_begin(struct cyc2ns_data *data) } while (unlikely(seq != this_cpu_read(cyc2ns.seq.sequence))); } -void cyc2ns_read_end(void) +void __always_inline cyc2ns_read_end(void) { preempt_enable_notrace(); } @@ -104,7 +104,7 @@ void cyc2ns_read_end(void) * -johnstul@us.ibm.com "math is hard, lets go shopping!" */ -static inline unsigned long long cycles_2_ns(unsigned long long cyc) +static __always_inline unsigned long long cycles_2_ns(unsigned long long cyc) { struct cyc2ns_data data; unsigned long long ns; diff --git a/block/blk-lib.c b/block/blk-lib.c index d1b9dd03da256..bbd44666f2b51 100644 --- a/block/blk-lib.c +++ b/block/blk-lib.c @@ -29,9 +29,7 @@ int __blkdev_issue_discard(struct block_device *bdev, sector_t sector, { struct request_queue *q = bdev_get_queue(bdev); struct bio *bio = *biop; - unsigned int granularity; unsigned int op; - int alignment; sector_t bs_mask; if (!q) @@ -54,38 +52,16 @@ int __blkdev_issue_discard(struct block_device *bdev, sector_t sector, if ((sector | nr_sects) & bs_mask) return -EINVAL; - /* Zero-sector (unknown) and one-sector granularities are the same. */ - granularity = max(q->limits.discard_granularity >> 9, 1U); - alignment = (bdev_discard_alignment(bdev) >> 9) % granularity; - while (nr_sects) { - unsigned int req_sects; - sector_t end_sect, tmp; + unsigned int req_sects = nr_sects; + sector_t end_sect; - /* - * Issue in chunks of the user defined max discard setting, - * ensuring that bi_size doesn't overflow - */ - req_sects = min_t(sector_t, nr_sects, - q->limits.max_discard_sectors); if (!req_sects) goto fail; if (req_sects > UINT_MAX >> 9) req_sects = UINT_MAX >> 9; - /* - * If splitting a request, and the next starting sector would be - * misaligned, stop the discard at the previous aligned sector. - */ end_sect = sector + req_sects; - tmp = end_sect; - if (req_sects < nr_sects && - sector_div(tmp, granularity) != alignment) { - end_sect = end_sect - alignment; - sector_div(end_sect, granularity); - end_sect = end_sect * granularity + alignment; - req_sects = end_sect - sector; - } bio = next_bio(bio, 0, gfp_mask); bio->bi_iter.bi_sector = sector; diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c index 5ca56bfae63cf..f68e9baffad76 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 ffa5dac221e47..129ebd2588fdc 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_atomic.c b/drivers/gpu/drm/drm_atomic.c index 018fcdb353d25..281cf9cbb44c4 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -174,6 +174,11 @@ void drm_atomic_state_default_clear(struct drm_atomic_state *state) state->crtcs[i].state = NULL; state->crtcs[i].old_state = NULL; state->crtcs[i].new_state = NULL; + + if (state->crtcs[i].commit) { + drm_crtc_commit_put(state->crtcs[i].commit); + state->crtcs[i].commit = NULL; + } } for (i = 0; i < config->num_total_plane; i++) { diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 80be74df7ba66..1bb4c318bdd4d 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -1408,15 +1408,16 @@ EXPORT_SYMBOL(drm_atomic_helper_wait_for_vblanks); void drm_atomic_helper_wait_for_flip_done(struct drm_device *dev, struct drm_atomic_state *old_state) { - struct drm_crtc_state *new_crtc_state; struct drm_crtc *crtc; int i; - for_each_new_crtc_in_state(old_state, crtc, new_crtc_state, i) { - struct drm_crtc_commit *commit = new_crtc_state->commit; + for (i = 0; i < dev->mode_config.num_crtc; i++) { + struct drm_crtc_commit *commit = old_state->crtcs[i].commit; int ret; - if (!commit) + crtc = old_state->crtcs[i].ptr; + + if (!crtc || !commit) continue; ret = wait_for_completion_timeout(&commit->flip_done, 10 * HZ); @@ -1934,6 +1935,9 @@ int drm_atomic_helper_setup_commit(struct drm_atomic_state *state, drm_crtc_commit_get(commit); commit->abort_completion = true; + + state->crtcs[i].commit = commit; + drm_crtc_commit_get(commit); } for_each_oldnew_connector_in_state(state, conn, old_conn_state, new_conn_state, i) { diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index bae43938c8f61..9cbe8f5c9acaf 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 3c9fc99648b7c..ff0bfc65a8c1d 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 515a7aec57acc..9628dd6178269 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/gpu/drm/sun4i/sun4i_dotclock.c b/drivers/gpu/drm/sun4i/sun4i_dotclock.c index e36004fbe4536..2a15f2f9271ea 100644 --- a/drivers/gpu/drm/sun4i/sun4i_dotclock.c +++ b/drivers/gpu/drm/sun4i/sun4i_dotclock.c @@ -81,9 +81,19 @@ static long sun4i_dclk_round_rate(struct clk_hw *hw, unsigned long rate, int i; for (i = tcon->dclk_min_div; i <= tcon->dclk_max_div; i++) { - unsigned long ideal = rate * i; + u64 ideal = (u64)rate * i; unsigned long rounded; + /* + * ideal has overflowed the max value that can be stored in an + * unsigned long, and every clk operation we might do on a + * truncated u64 value will give us incorrect results. + * Let's just stop there since bigger dividers will result in + * the same overflow issue. + */ + if (ideal > ULONG_MAX) + goto out; + rounded = clk_hw_round_rate(clk_hw_get_parent(hw), ideal); diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index faa9e6116b2f9..73332b9a25b54 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 21863ddde63e3..01d68ed46c1b6 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/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c index f5ae24865355a..b0f9d19b3410a 100644 --- a/drivers/input/mouse/elan_i2c_core.c +++ b/drivers/input/mouse/elan_i2c_core.c @@ -1346,6 +1346,7 @@ static const struct acpi_device_id elan_acpi_id[] = { { "ELAN0611", 0 }, { "ELAN0612", 0 }, { "ELAN0618", 0 }, + { "ELAN061C", 0 }, { "ELAN061D", 0 }, { "ELAN0622", 0 }, { "ELAN1000", 0 }, diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c index 4241ae928d4ab..34af5f1569c8f 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmmii.c +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c @@ -321,9 +321,12 @@ 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 4778b663653e3..bf80855dd0dd4 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 bf9b9fd6d2a07..7b98bb75ba8ac 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 | @@ -2164,7 +2166,13 @@ 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 15d8ae28c040c..00172dee5339c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -432,10 +432,9 @@ 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; @@ -454,15 +453,14 @@ 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 ae73ea9928456..6dacaeba2fbff 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 48864f4988a4e..c1e1a16a9b07d 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 5645a4facad2f..b8ee9101c5066 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 08eac92fc26cf..0982c579ec740 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h @@ -109,12 +109,11 @@ 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 68e7f8df2a6d3..ddca327e89505 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 3a1a170bb2d7f..b1293d153a587 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 81533d7f395c1..937d0ace699a7 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 655ddd204ab27..c35be477856f1 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 f6cf2896d337d..e04e8162aa140 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 1a4f2bb48ead7..ed4e298cd8239 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 46ba0cf257c6d..7a1e9cd9cc62c 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/action.c +++ b/drivers/net/ethernet/netronome/nfp/flower/action.c @@ -429,12 +429,14 @@ 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; @@ -448,11 +450,12 @@ 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; @@ -465,6 +468,7 @@ 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); @@ -473,17 +477,20 @@ 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; } @@ -541,7 +548,7 @@ 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; @@ -599,7 +606,9 @@ 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; @@ -607,10 +616,12 @@ 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; @@ -623,6 +634,7 @@ 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; @@ -630,13 +642,16 @@ 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 af3a28ec04ebf..0f0aba793352c 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 b48f761820499..10b075bc59596 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 3a5e6160bf0d2..2c350099b83cf 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -6549,17 +6549,15 @@ 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; @@ -7093,20 +7091,12 @@ 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 6acb6b5718b94..493cd382b8aa0 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -830,12 +830,8 @@ 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) { @@ -876,11 +872,7 @@ 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 dab504ec5e502..ddfa3f24204c7 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -2218,8 +2218,9 @@ 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)) { @@ -2255,7 +2256,9 @@ 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 2b8da2b7e721e..27bd586b94b0a 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2194,11 +2194,7 @@ 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); @@ -2235,11 +2231,7 @@ 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/nvme/host/core.c b/drivers/nvme/host/core.c index dd8ec1dd92190..6bb9908bf46f1 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -3143,8 +3143,8 @@ static void nvme_ns_remove(struct nvme_ns *ns) } mutex_lock(&ns->ctrl->subsys->lock); - nvme_mpath_clear_current_path(ns); list_del_rcu(&ns->siblings); + nvme_mpath_clear_current_path(ns); mutex_unlock(&ns->ctrl->subsys->lock); down_write(&ns->ctrl->namespaces_rwsem); diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c index 01b0e2bb33190..2012551d93e02 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/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index bc03b0a690b4d..9ede35cecb126 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -310,17 +310,17 @@ static void acm_process_notification(struct acm *acm, unsigned char *buf) if (difference & ACM_CTRL_DSR) acm->iocount.dsr++; - if (difference & ACM_CTRL_BRK) - acm->iocount.brk++; - if (difference & ACM_CTRL_RI) - acm->iocount.rng++; if (difference & ACM_CTRL_DCD) acm->iocount.dcd++; - if (difference & ACM_CTRL_FRAMING) + if (newctrl & ACM_CTRL_BRK) + acm->iocount.brk++; + if (newctrl & ACM_CTRL_RI) + acm->iocount.rng++; + if (newctrl & ACM_CTRL_FRAMING) acm->iocount.frame++; - if (difference & ACM_CTRL_PARITY) + if (newctrl & ACM_CTRL_PARITY) acm->iocount.parity++; - if (difference & ACM_CTRL_OVERRUN) + if (newctrl & ACM_CTRL_OVERRUN) acm->iocount.overrun++; spin_unlock_irqrestore(&acm->read_lock, flags); @@ -355,7 +355,6 @@ static void acm_ctrl_irq(struct urb *urb) case -ENOENT: case -ESHUTDOWN: /* this urb is terminated, clean up */ - acm->nb_index = 0; dev_dbg(&acm->control->dev, "%s - urb shutting down with status: %d\n", __func__, status); @@ -1642,6 +1641,7 @@ static int acm_pre_reset(struct usb_interface *intf) struct acm *acm = usb_get_intfdata(intf); clear_bit(EVENT_RX_STALL, &acm->flags); + acm->nb_index = 0; /* pending control transfers are lost */ return 0; } diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 244417d0dfd1f..ffccd40ea67da 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -1474,8 +1474,6 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb u = 0; switch (uurb->type) { case USBDEVFS_URB_TYPE_CONTROL: - if (is_in) - allow_short = true; if (!usb_endpoint_xfer_control(&ep->desc)) return -EINVAL; /* min 8 byte setup packet */ @@ -1505,6 +1503,8 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb is_in = 0; uurb->endpoint &= ~USB_DIR_IN; } + if (is_in) + allow_short = true; snoop(&ps->dev->dev, "control urb: bRequestType=%02x " "bRequest=%02x wValue=%04x " "wIndex=%04x wLength=%04x\n", diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c index ca8a4b53c59f9..1074cb82ec172 100644 --- a/drivers/usb/gadget/function/f_mass_storage.c +++ b/drivers/usb/gadget/function/f_mass_storage.c @@ -221,6 +221,8 @@ #include <linux/usb/gadget.h> #include <linux/usb/composite.h> +#include <linux/nospec.h> + #include "configfs.h" @@ -3152,6 +3154,7 @@ static struct config_group *fsg_lun_make(struct config_group *group, fsg_opts = to_fsg_opts(&group->cg_item); if (num >= FSG_MAX_LUNS) return ERR_PTR(-ERANGE); + num = array_index_nospec(num, FSG_MAX_LUNS); mutex_lock(&fsg_opts->lock); if (fsg_opts->refcnt || fsg_opts->common->luns[num]) { diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 722860eb5a91f..51dd8e00c4f8e 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -179,10 +179,12 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) xhci->quirks |= XHCI_PME_STUCK_QUIRK; } if (pdev->vendor == PCI_VENDOR_ID_INTEL && - pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI) { + pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI) xhci->quirks |= XHCI_SSIC_PORT_UNUSED; + if (pdev->vendor == PCI_VENDOR_ID_INTEL && + (pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI)) xhci->quirks |= XHCI_INTEL_USB_ROLE_SW; - } if (pdev->vendor == PCI_VENDOR_ID_INTEL && (pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI || pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI || diff --git a/drivers/usb/roles/intel-xhci-usb-role-switch.c b/drivers/usb/roles/intel-xhci-usb-role-switch.c index 1fb3dd0f1dfa3..277de96181f9a 100644 --- a/drivers/usb/roles/intel-xhci-usb-role-switch.c +++ b/drivers/usb/roles/intel-xhci-usb-role-switch.c @@ -161,6 +161,8 @@ static int intel_xhci_usb_remove(struct platform_device *pdev) { struct intel_xhci_usb_data *data = platform_get_drvdata(pdev); + pm_runtime_disable(&pdev->dev); + usb_role_switch_unregister(data->role_sw); return 0; } diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c index d11f3f8dad404..1e592ec94ba49 100644 --- a/drivers/usb/usbip/vhci_hcd.c +++ b/drivers/usb/usbip/vhci_hcd.c @@ -318,8 +318,9 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, struct vhci_hcd *vhci_hcd; struct vhci *vhci; int retval = 0; - int rhport; + int rhport = -1; unsigned long flags; + bool invalid_rhport = false; u32 prev_port_status[VHCI_HC_PORTS]; @@ -334,9 +335,19 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, usbip_dbg_vhci_rh("typeReq %x wValue %x wIndex %x\n", typeReq, wValue, wIndex); - if (wIndex > VHCI_HC_PORTS) - pr_err("invalid port number %d\n", wIndex); - rhport = wIndex - 1; + /* + * wIndex can be 0 for some request types (typeReq). rhport is + * in valid range when wIndex >= 1 and < VHCI_HC_PORTS. + * + * Reference port_status[] only with valid rhport when + * invalid_rhport is false. + */ + if (wIndex < 1 || wIndex > VHCI_HC_PORTS) { + invalid_rhport = true; + if (wIndex > VHCI_HC_PORTS) + pr_err("invalid port number %d\n", wIndex); + } else + rhport = wIndex - 1; vhci_hcd = hcd_to_vhci_hcd(hcd); vhci = vhci_hcd->vhci; @@ -345,8 +356,9 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, /* store old status and compare now and old later */ if (usbip_dbg_flag_vhci_rh) { - memcpy(prev_port_status, vhci_hcd->port_status, - sizeof(prev_port_status)); + if (!invalid_rhport) + memcpy(prev_port_status, vhci_hcd->port_status, + sizeof(prev_port_status)); } switch (typeReq) { @@ -354,8 +366,10 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, usbip_dbg_vhci_rh(" ClearHubFeature\n"); break; case ClearPortFeature: - if (rhport < 0) + if (invalid_rhport) { + pr_err("invalid port number %d\n", wIndex); goto error; + } switch (wValue) { case USB_PORT_FEAT_SUSPEND: if (hcd->speed == HCD_USB3) { @@ -415,9 +429,10 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, break; case GetPortStatus: usbip_dbg_vhci_rh(" GetPortStatus port %x\n", wIndex); - if (wIndex < 1) { + if (invalid_rhport) { pr_err("invalid port number %d\n", wIndex); retval = -EPIPE; + goto error; } /* we do not care about resume. */ @@ -513,16 +528,20 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, goto error; } - if (rhport < 0) + if (invalid_rhport) { + pr_err("invalid port number %d\n", wIndex); goto error; + } vhci_hcd->port_status[rhport] |= USB_PORT_STAT_SUSPEND; break; case USB_PORT_FEAT_POWER: usbip_dbg_vhci_rh( " SetPortFeature: USB_PORT_FEAT_POWER\n"); - if (rhport < 0) + if (invalid_rhport) { + pr_err("invalid port number %d\n", wIndex); goto error; + } if (hcd->speed == HCD_USB3) vhci_hcd->port_status[rhport] |= USB_SS_PORT_STAT_POWER; else @@ -531,8 +550,10 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, case USB_PORT_FEAT_BH_PORT_RESET: usbip_dbg_vhci_rh( " SetPortFeature: USB_PORT_FEAT_BH_PORT_RESET\n"); - if (rhport < 0) + if (invalid_rhport) { + pr_err("invalid port number %d\n", wIndex); goto error; + } /* Applicable only for USB3.0 hub */ if (hcd->speed != HCD_USB3) { pr_err("USB_PORT_FEAT_BH_PORT_RESET req not " @@ -543,8 +564,10 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, case USB_PORT_FEAT_RESET: usbip_dbg_vhci_rh( " SetPortFeature: USB_PORT_FEAT_RESET\n"); - if (rhport < 0) + if (invalid_rhport) { + pr_err("invalid port number %d\n", wIndex); goto error; + } /* if it's already enabled, disable */ if (hcd->speed == HCD_USB3) { vhci_hcd->port_status[rhport] = 0; @@ -565,8 +588,10 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, default: usbip_dbg_vhci_rh(" SetPortFeature: default %d\n", wValue); - if (rhport < 0) + if (invalid_rhport) { + pr_err("invalid port number %d\n", wIndex); goto error; + } if (hcd->speed == HCD_USB3) { if ((vhci_hcd->port_status[rhport] & USB_SS_PORT_STAT_POWER) != 0) { @@ -608,7 +633,7 @@ error: if (usbip_dbg_flag_vhci_rh) { pr_debug("port %d\n", rhport); /* Only dump valid port status */ - if (rhport >= 0) { + if (!invalid_rhport) { dump_port_status_diff(prev_port_status[rhport], vhci_hcd->port_status[rhport], hcd->speed == HCD_USB3); @@ -618,8 +643,10 @@ error: spin_unlock_irqrestore(&vhci->lock, flags); - if ((vhci_hcd->port_status[rhport] & PORT_C_MASK) != 0) + if (!invalid_rhport && + (vhci_hcd->port_status[rhport] & PORT_C_MASK) != 0) { usb_hcd_poll_rh_status(hcd); + } return retval; } diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c index 35f2ae30f31f7..77a83790a31f3 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 2f306c0cc4ee2..1d329e6981d51 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 af2b17b21b94b..95983c744164a 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); diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c index 83bfe04456b6a..c550512ce3350 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 f83328a7f0482..d6209022e9658 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 7dce110bf17d0..30ad89db1efcc 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/include/drm/drm_atomic.h b/include/drm/drm_atomic.h index da9d95a195809..1e713154f00ee 100644 --- a/include/drm/drm_atomic.h +++ b/include/drm/drm_atomic.h @@ -153,6 +153,17 @@ struct __drm_planes_state { struct __drm_crtcs_state { struct drm_crtc *ptr; struct drm_crtc_state *state, *old_state, *new_state; + + /** + * @commit: + * + * A reference to the CRTC commit object that is kept for use by + * drm_atomic_helper_wait_for_flip_done() after + * drm_atomic_helper_commit_hw_done() is called. This ensures that a + * concurrent commit won't free a commit object that is still in use. + */ + struct drm_crtc_commit *commit; + s32 __user *out_fence_ptr; u64 last_vblank_count; }; diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index b25d12ef120a1..e3c4048331156 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 99c19b06d9a46..fdcb45999b263 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 66d94b4557cf7..88a041b73abfc 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -1032,6 +1032,14 @@ static inline void *mlx5_frag_buf_get_wqe(struct mlx5_frag_buf_ctrl *fbc, ((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 f807f15bebbe7..e19ae08c7fb84 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/tracepoint-defs.h b/include/linux/tracepoint-defs.h index 22c5a46e96939..49ba9cde7e4bb 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 041f7e56a2894..538ba1a58f5b2 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 7f735e76ca739..6cf0870414c78 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 3d4930528db0d..2d31e22babd8f 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 5ef1bad81ef54..9e3d32746430c 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 28a7c8e446369..a11f937904769 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 b479db5c71d93..34dd3d497f2cc 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 9f8463afda9c8..47147c9e184dd 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/sched/fair.c b/kernel/sched/fair.c index 7fc4a371bdd24..908c9cdae2f0c 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -4001,7 +4001,7 @@ dequeue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int flags) * put back on, and if we advance min_vruntime, we'll be placed back * further than we started -- ie. we'll be penalized. */ - if ((flags & (DEQUEUE_SAVE | DEQUEUE_MOVE)) == DEQUEUE_SAVE) + if ((flags & (DEQUEUE_SAVE | DEQUEUE_MOVE)) != DEQUEUE_SAVE) update_min_vruntime(cfs_rq); } @@ -4476,9 +4476,13 @@ static void throttle_cfs_rq(struct cfs_rq *cfs_rq) /* * Add to the _head_ of the list, so that an already-started - * distribute_cfs_runtime will not see us + * distribute_cfs_runtime will not see us. If disribute_cfs_runtime is + * not running add to the tail so that later runqueues don't get starved. */ - list_add_rcu(&cfs_rq->throttled_list, &cfs_b->throttled_cfs_rq); + if (cfs_b->distribute_running) + list_add_rcu(&cfs_rq->throttled_list, &cfs_b->throttled_cfs_rq); + else + list_add_tail_rcu(&cfs_rq->throttled_list, &cfs_b->throttled_cfs_rq); /* * If we're the first throttled task, make sure the bandwidth @@ -4622,14 +4626,16 @@ static int do_sched_cfs_period_timer(struct cfs_bandwidth *cfs_b, int overrun) * in us over-using our runtime if it is all used during this loop, but * only by limited amounts in that extreme case. */ - while (throttled && cfs_b->runtime > 0) { + while (throttled && cfs_b->runtime > 0 && !cfs_b->distribute_running) { runtime = cfs_b->runtime; + cfs_b->distribute_running = 1; raw_spin_unlock(&cfs_b->lock); /* we can't nest cfs_b->lock while distributing bandwidth */ runtime = distribute_cfs_runtime(cfs_b, runtime, runtime_expires); raw_spin_lock(&cfs_b->lock); + cfs_b->distribute_running = 0; throttled = !list_empty(&cfs_b->throttled_cfs_rq); cfs_b->runtime -= min(runtime, cfs_b->runtime); @@ -4740,6 +4746,11 @@ static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b) /* confirm we're still not at a refresh boundary */ raw_spin_lock(&cfs_b->lock); + if (cfs_b->distribute_running) { + raw_spin_unlock(&cfs_b->lock); + return; + } + if (runtime_refresh_within(cfs_b, min_bandwidth_expiration)) { raw_spin_unlock(&cfs_b->lock); return; @@ -4749,6 +4760,9 @@ static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b) runtime = cfs_b->runtime; expires = cfs_b->runtime_expires; + if (runtime) + cfs_b->distribute_running = 1; + raw_spin_unlock(&cfs_b->lock); if (!runtime) @@ -4759,6 +4773,7 @@ static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b) raw_spin_lock(&cfs_b->lock); if (expires == cfs_b->runtime_expires) cfs_b->runtime -= min(runtime, cfs_b->runtime); + cfs_b->distribute_running = 0; raw_spin_unlock(&cfs_b->lock); } @@ -4867,6 +4882,7 @@ void init_cfs_bandwidth(struct cfs_bandwidth *cfs_b) cfs_b->period_timer.function = sched_cfs_period_timer; hrtimer_init(&cfs_b->slack_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); cfs_b->slack_timer.function = sched_cfs_slack_timer; + cfs_b->distribute_running = 0; } static void init_cfs_rq_runtime(struct cfs_rq *cfs_rq) diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 455fa330de046..9683f458aec72 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -346,6 +346,8 @@ struct cfs_bandwidth { int nr_periods; int nr_throttled; u64 throttled_time; + + bool distribute_running; #endif }; diff --git a/kernel/trace/preemptirq_delay_test.c b/kernel/trace/preemptirq_delay_test.c index f704390db9fcd..d8765c952fab3 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/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index 85f6b01431c76..d239004aaf290 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -738,16 +738,30 @@ static void free_synth_field(struct synth_field *field) kfree(field); } -static struct synth_field *parse_synth_field(char *field_type, - char *field_name) +static struct synth_field *parse_synth_field(int argc, char **argv, + int *consumed) { struct synth_field *field; + const char *prefix = NULL; + char *field_type = argv[0], *field_name; int len, ret = 0; char *array; if (field_type[0] == ';') field_type++; + if (!strcmp(field_type, "unsigned")) { + if (argc < 3) + return ERR_PTR(-EINVAL); + prefix = "unsigned "; + field_type = argv[1]; + field_name = argv[2]; + *consumed = 3; + } else { + field_name = argv[1]; + *consumed = 2; + } + len = strlen(field_name); if (field_name[len - 1] == ';') field_name[len - 1] = '\0'; @@ -760,11 +774,15 @@ static struct synth_field *parse_synth_field(char *field_type, array = strchr(field_name, '['); if (array) len += strlen(array); + if (prefix) + len += strlen(prefix); field->type = kzalloc(len, GFP_KERNEL); if (!field->type) { ret = -ENOMEM; goto free; } + if (prefix) + strcat(field->type, prefix); strcat(field->type, field_type); if (array) { strcat(field->type, array); @@ -1009,7 +1027,7 @@ static int create_synth_event(int argc, char **argv) struct synth_field *field, *fields[SYNTH_FIELDS_MAX]; struct synth_event *event = NULL; bool delete_event = false; - int i, n_fields = 0, ret = 0; + int i, consumed = 0, n_fields = 0, ret = 0; char *name; mutex_lock(&synth_event_mutex); @@ -1061,16 +1079,16 @@ static int create_synth_event(int argc, char **argv) goto err; } - field = parse_synth_field(argv[i], argv[i + 1]); + field = parse_synth_field(argc - i, &argv[i], &consumed); if (IS_ERR(field)) { ret = PTR_ERR(field); goto err; } - fields[n_fields] = field; - i++; n_fields++; + fields[n_fields++] = field; + i += consumed - 1; } - if (i < argc) { + if (i < argc && strcmp(argv[i], ";") != 0) { ret = -EINVAL; goto err; } diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c index bf2c06ef9afc3..a3be42304485f 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 2d1637d8136b3..b068806259615 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 58269f8ba7c4b..deed97fba9797 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; } diff --git a/mm/mremap.c b/mm/mremap.c index 5c2e18505f75b..a9617e72e6b79 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 b64e1649993b7..94e88f510c5b8 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 0762aaf8e964e..aeabc4831fca6 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -1015,6 +1015,9 @@ 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)) @@ -2469,13 +2472,17 @@ 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); @@ -2846,7 +2853,7 @@ 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/neighbour.c b/net/core/neighbour.c index 91592fceeaad7..4e07824eec5e0 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -1148,8 +1148,7 @@ int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new, neigh->nud_state = new; err = 0; notify = old & NUD_VALID; - if (((old & (NUD_INCOMPLETE | NUD_PROBE)) || - (flags & NEIGH_UPDATE_F_ADMIN)) && + if ((old & (NUD_INCOMPLETE | NUD_PROBE)) && (new & NUD_FAILED)) { neigh_invalidate(neigh); notify = 1; diff --git a/net/core/netpoll.c b/net/core/netpoll.c index de1d1ba92f2de..3ae899805f8b6 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/core/skbuff.c b/net/core/skbuff.c index 428094b577fc9..f817f336595db 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -1846,8 +1846,9 @@ int pskb_trim_rcsum_slow(struct sk_buff *skb, unsigned int len) if (skb->ip_summed == CHECKSUM_COMPLETE) { int delta = skb->len - len; - skb->csum = csum_sub(skb->csum, - skb_checksum(skb, len, delta, 0)); + skb->csum = csum_block_sub(skb->csum, + skb_checksum(skb, len, delta, 0), + len); } return __pskb_trim(skb, len); } diff --git a/net/ipv4/ipmr_base.c b/net/ipv4/ipmr_base.c index 1ad9aa62a97b2..eab8cd5ec2f5d 100644 --- a/net/ipv4/ipmr_base.c +++ b/net/ipv4/ipmr_base.c @@ -296,8 +296,6 @@ int mr_rtm_dumproute(struct sk_buff *skb, struct netlink_callback *cb, 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/addrconf.c b/net/ipv6/addrconf.c index c63ccce6425fb..4e81ff2f45882 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -4928,8 +4928,8 @@ static int in6_dump_addrs(struct inet6_dev *idev, struct sk_buff *skb, /* unicast address incl. temp addr */ list_for_each_entry(ifa, &idev->addr_list, if_list) { - if (++ip_idx < s_ip_idx) - continue; + if (ip_idx < s_ip_idx) + goto next; err = inet6_fill_ifaddr(skb, ifa, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, @@ -4938,6 +4938,8 @@ static int in6_dump_addrs(struct inet6_dev *idev, struct sk_buff *skb, if (err < 0) break; nl_dump_check_consistent(cb, nlmsg_hdr(skb)); +next: + ip_idx++; } break; } diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index a0b6932c3afd2..a9d06d4dd0578 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 4ae54aaca3736..dbab62e3f0d78 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 a366c05a239da..abcb5ae77319c 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -520,10 +520,11 @@ 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 @@ -539,15 +540,12 @@ 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, @@ -557,11 +555,13 @@ 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 28c4aa5078fcb..b36694b6716e3 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 ef3defaf43b9a..d35bcf92969c8 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 c0ac522b48a14..4ff89cb7c86f7 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 652e314de38eb..8079aacaecace 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 cad0691c2bb41..0906e51d3cfb5 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 e8fb8922bca83..a141ee3ab8129 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 05b51bdbdd41d..bd2fa3b7caa7e 100644 --- a/net/rxrpc/peer_event.c +++ b/net/rxrpc/peer_event.c @@ -195,6 +195,7 @@ 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 0a75cb2e5e7ba..70f144ac5e1d6 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); @@ -1211,7 +1213,7 @@ 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; @@ -1360,7 +1362,7 @@ 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; @@ -1475,7 +1477,7 @@ 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; @@ -1838,7 +1840,7 @@ 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; @@ -1949,7 +1951,8 @@ 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, NULL); + err = nlmsg_parse(cb->nlh, sizeof(*tcm), tca, TCA_MAX, rtm_tca_policy, + NULL); if (err) return err; diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 85e73f48e48ff..3dc0acf542454 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -1307,10 +1307,6 @@ 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 }, @@ -1323,6 +1319,10 @@ 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) { @@ -2059,7 +2059,8 @@ 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 297d9cf960b92..a827a1f562bf3 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 9bbc5f92c9419..5c36a99882ed1 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 7f849b01ec8e6..67939ad99c013 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 f73e9d38d5ba7..c1c1bda334a4e 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -271,11 +271,10 @@ 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; } @@ -1946,8 +1945,10 @@ 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; } @@ -7100,14 +7101,14 @@ 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++) { @@ -7159,7 +7160,7 @@ 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); @@ -7175,7 +7176,7 @@ 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 01f3f8f32d6f9..390a8ecef4bf4 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 e82f13cb2dc5a..06fee142f09fb 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 f6552e4f4b43a..201c3b5bc96be 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 51b4b96f89db3..3cfeb9df64b00 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 4e937cd7c17dc..661504042d304 100644 --- a/net/xdp/xsk.c +++ b/net/xdp/xsk.c @@ -744,6 +744,8 @@ 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 31acc6f33d989..6f05e831a73e5 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 f094d4b3520d9..119a427d9b2b2 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/arch/x86/include/uapi/asm/kvm.h b/tools/arch/x86/include/uapi/asm/kvm.h index 86299efa804ad..fd23d5778ea17 100644 --- a/tools/arch/x86/include/uapi/asm/kvm.h +++ b/tools/arch/x86/include/uapi/asm/kvm.h @@ -377,6 +377,7 @@ struct kvm_sync_regs { #define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0) #define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1) +#define KVM_X86_QUIRK_LAPIC_MMIO_HOLE (1 << 2) #define KVM_STATE_NESTED_GUEST_MODE 0x00000001 #define KVM_STATE_NESTED_RUN_PENDING 0x00000002 diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h index 07548de5c9889..251be353f950b 100644 --- a/tools/include/uapi/linux/kvm.h +++ b/tools/include/uapi/linux/kvm.h @@ -952,6 +952,7 @@ struct kvm_ppc_resize_hpt { #define KVM_CAP_S390_HPAGE_1M 156 #define KVM_CAP_NESTED_STATE 157 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158 +#define KVM_CAP_MSR_PLATFORM_INFO 159 #ifdef KVM_CAP_IRQ_ROUTING diff --git a/tools/lib/api/fs/tracing_path.c b/tools/lib/api/fs/tracing_path.c index 120037496f774..5afb11b30fca4 100644 --- a/tools/lib/api/fs/tracing_path.c +++ b/tools/lib/api/fs/tracing_path.c @@ -36,7 +36,7 @@ static const char *tracing_path_tracefs_mount(void) __tracing_path_set("", mnt); - return mnt; + return tracing_path; } static const char *tracing_path_debugfs_mount(void) @@ -49,7 +49,7 @@ static const char *tracing_path_debugfs_mount(void) __tracing_path_set("tracing/", mnt); - return mnt; + return tracing_path; } const char *tracing_path_mount(void) diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index f6d1a03c7523e..e30d20fb482d0 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -833,7 +833,7 @@ ifndef NO_JVMTI JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}') else ifneq (,$(wildcard /usr/sbin/alternatives)) - JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g') + JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g') endif endif ifndef JDIR diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 5224ade3d5afe..0be4116953790 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -635,7 +635,7 @@ $(LIBPERF_IN): prepare FORCE $(LIB_FILE): $(LIBPERF_IN) $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(LIBPERF_IN) $(LIB_OBJS) -LIBTRACEEVENT_FLAGS += plugin_dir=$(plugindir_SQ) +LIBTRACEEVENT_FLAGS += plugin_dir=$(plugindir_SQ) 'EXTRA_CFLAGS=$(EXTRA_CFLAGS)' 'LDFLAGS=$(LDFLAGS)' $(LIBTRACEEVENT): FORCE $(Q)$(MAKE) -C $(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) O=$(OUTPUT) $(OUTPUT)libtraceevent.a diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 76e12bcd17654..b2188e623e229 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -981,6 +981,7 @@ int cmd_report(int argc, const char **argv) .id_index = perf_event__process_id_index, .auxtrace_info = perf_event__process_auxtrace_info, .auxtrace = perf_event__process_auxtrace, + .event_update = perf_event__process_event_update, .feature = process_feature_event, .ordered_events = true, .ordering_requires_timestamps = true, diff --git a/tools/perf/pmu-events/arch/x86/ivytown/uncore-power.json b/tools/perf/pmu-events/arch/x86/ivytown/uncore-power.json index d40498f2cb1e9..635c09fda1d94 100644 --- a/tools/perf/pmu-events/arch/x86/ivytown/uncore-power.json +++ b/tools/perf/pmu-events/arch/x86/ivytown/uncore-power.json @@ -188,7 +188,7 @@ "Counter": "0,1,2,3", "EventCode": "0xb", "EventName": "UNC_P_FREQ_GE_1200MHZ_CYCLES", - "Filter": "filter_band0=1200", + "Filter": "filter_band0=12", "MetricExpr": "(UNC_P_FREQ_GE_1200MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.", "MetricName": "freq_ge_1200mhz_cycles %", "PerPkg": "1", @@ -199,7 +199,7 @@ "Counter": "0,1,2,3", "EventCode": "0xc", "EventName": "UNC_P_FREQ_GE_2000MHZ_CYCLES", - "Filter": "filter_band1=2000", + "Filter": "filter_band1=20", "MetricExpr": "(UNC_P_FREQ_GE_2000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.", "MetricName": "freq_ge_2000mhz_cycles %", "PerPkg": "1", @@ -210,7 +210,7 @@ "Counter": "0,1,2,3", "EventCode": "0xd", "EventName": "UNC_P_FREQ_GE_3000MHZ_CYCLES", - "Filter": "filter_band2=3000", + "Filter": "filter_band2=30", "MetricExpr": "(UNC_P_FREQ_GE_3000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.", "MetricName": "freq_ge_3000mhz_cycles %", "PerPkg": "1", @@ -221,7 +221,7 @@ "Counter": "0,1,2,3", "EventCode": "0xe", "EventName": "UNC_P_FREQ_GE_4000MHZ_CYCLES", - "Filter": "filter_band3=4000", + "Filter": "filter_band3=40", "MetricExpr": "(UNC_P_FREQ_GE_4000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.", "MetricName": "freq_ge_4000mhz_cycles %", "PerPkg": "1", @@ -232,7 +232,7 @@ "Counter": "0,1,2,3", "EventCode": "0xb", "EventName": "UNC_P_FREQ_GE_1200MHZ_TRANSITIONS", - "Filter": "edge=1,filter_band0=1200", + "Filter": "edge=1,filter_band0=12", "MetricExpr": "(UNC_P_FREQ_GE_1200MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.", "MetricName": "freq_ge_1200mhz_cycles %", "PerPkg": "1", @@ -243,7 +243,7 @@ "Counter": "0,1,2,3", "EventCode": "0xc", "EventName": "UNC_P_FREQ_GE_2000MHZ_TRANSITIONS", - "Filter": "edge=1,filter_band1=2000", + "Filter": "edge=1,filter_band1=20", "MetricExpr": "(UNC_P_FREQ_GE_2000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.", "MetricName": "freq_ge_2000mhz_cycles %", "PerPkg": "1", @@ -254,7 +254,7 @@ "Counter": "0,1,2,3", "EventCode": "0xd", "EventName": "UNC_P_FREQ_GE_3000MHZ_TRANSITIONS", - "Filter": "edge=1,filter_band2=4000", + "Filter": "edge=1,filter_band2=30", "MetricExpr": "(UNC_P_FREQ_GE_3000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.", "MetricName": "freq_ge_3000mhz_cycles %", "PerPkg": "1", @@ -265,7 +265,7 @@ "Counter": "0,1,2,3", "EventCode": "0xe", "EventName": "UNC_P_FREQ_GE_4000MHZ_TRANSITIONS", - "Filter": "edge=1,filter_band3=4000", + "Filter": "edge=1,filter_band3=40", "MetricExpr": "(UNC_P_FREQ_GE_4000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.", "MetricName": "freq_ge_4000mhz_cycles %", "PerPkg": "1", diff --git a/tools/perf/pmu-events/arch/x86/jaketown/uncore-power.json b/tools/perf/pmu-events/arch/x86/jaketown/uncore-power.json index 16034bfd06dd9..8755693d86c6f 100644 --- a/tools/perf/pmu-events/arch/x86/jaketown/uncore-power.json +++ b/tools/perf/pmu-events/arch/x86/jaketown/uncore-power.json @@ -187,7 +187,7 @@ "Counter": "0,1,2,3", "EventCode": "0xb", "EventName": "UNC_P_FREQ_GE_1200MHZ_CYCLES", - "Filter": "filter_band0=1200", + "Filter": "filter_band0=12", "MetricExpr": "(UNC_P_FREQ_GE_1200MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.", "MetricName": "freq_ge_1200mhz_cycles %", "PerPkg": "1", @@ -198,7 +198,7 @@ "Counter": "0,1,2,3", "EventCode": "0xc", "EventName": "UNC_P_FREQ_GE_2000MHZ_CYCLES", - "Filter": "filter_band1=2000", + "Filter": "filter_band1=20", "MetricExpr": "(UNC_P_FREQ_GE_2000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.", "MetricName": "freq_ge_2000mhz_cycles %", "PerPkg": "1", @@ -209,7 +209,7 @@ "Counter": "0,1,2,3", "EventCode": "0xd", "EventName": "UNC_P_FREQ_GE_3000MHZ_CYCLES", - "Filter": "filter_band2=3000", + "Filter": "filter_band2=30", "MetricExpr": "(UNC_P_FREQ_GE_3000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.", "MetricName": "freq_ge_3000mhz_cycles %", "PerPkg": "1", @@ -220,7 +220,7 @@ "Counter": "0,1,2,3", "EventCode": "0xe", "EventName": "UNC_P_FREQ_GE_4000MHZ_CYCLES", - "Filter": "filter_band3=4000", + "Filter": "filter_band3=40", "MetricExpr": "(UNC_P_FREQ_GE_4000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.", "MetricName": "freq_ge_4000mhz_cycles %", "PerPkg": "1", @@ -231,7 +231,7 @@ "Counter": "0,1,2,3", "EventCode": "0xb", "EventName": "UNC_P_FREQ_GE_1200MHZ_TRANSITIONS", - "Filter": "edge=1,filter_band0=1200", + "Filter": "edge=1,filter_band0=12", "MetricExpr": "(UNC_P_FREQ_GE_1200MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.", "MetricName": "freq_ge_1200mhz_cycles %", "PerPkg": "1", @@ -242,7 +242,7 @@ "Counter": "0,1,2,3", "EventCode": "0xc", "EventName": "UNC_P_FREQ_GE_2000MHZ_TRANSITIONS", - "Filter": "edge=1,filter_band1=2000", + "Filter": "edge=1,filter_band1=20", "MetricExpr": "(UNC_P_FREQ_GE_2000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.", "MetricName": "freq_ge_2000mhz_cycles %", "PerPkg": "1", @@ -253,7 +253,7 @@ "Counter": "0,1,2,3", "EventCode": "0xd", "EventName": "UNC_P_FREQ_GE_3000MHZ_TRANSITIONS", - "Filter": "edge=1,filter_band2=4000", + "Filter": "edge=1,filter_band2=30", "MetricExpr": "(UNC_P_FREQ_GE_3000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.", "MetricName": "freq_ge_3000mhz_cycles %", "PerPkg": "1", @@ -264,7 +264,7 @@ "Counter": "0,1,2,3", "EventCode": "0xe", "EventName": "UNC_P_FREQ_GE_4000MHZ_TRANSITIONS", - "Filter": "edge=1,filter_band3=4000", + "Filter": "edge=1,filter_band3=40", "MetricExpr": "(UNC_P_FREQ_GE_4000MHZ_CYCLES / UNC_P_CLOCKTICKS) * 100.", "MetricName": "freq_ge_4000mhz_cycles %", "PerPkg": "1", diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 0cd42150f712e..bc646185f8d91 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -1081,6 +1081,7 @@ void *cpu_map_data__alloc(struct cpu_map *map, size_t *size, u16 *type, int *max } *size += sizeof(struct cpu_map_data); + *size = PERF_ALIGN(*size, sizeof(u64)); return zalloc(*size); } @@ -1560,26 +1561,9 @@ struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr, return NULL; } -try_again: + al->map = map_groups__find(mg, al->addr); - if (al->map == NULL) { - /* - * If this is outside of all known maps, and is a negative - * address, try to look it up in the kernel dso, as it might be - * a vsyscall or vdso (which executes in user-mode). - * - * XXX This is nasty, we should have a symbol list in the - * "[vdso]" dso, but for now lets use the old trick of looking - * in the whole kernel symbol list. - */ - if (cpumode == PERF_RECORD_MISC_USER && machine && - mg != &machine->kmaps && - machine__kernel_ip(machine, al->addr)) { - mg = &machine->kmaps; - load_map = true; - goto try_again; - } - } else { + if (al->map != NULL) { /* * Kernel maps might be changed when loading symbols so loading * must be done prior to using kernel maps. diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 1a61628a1c126..e596ae358c4d4 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -1089,6 +1089,9 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts, attr->exclude_user = 1; } + if (evsel->own_cpus) + evsel->attr.read_format |= PERF_FORMAT_ID; + /* * Apply event specific term settings, * it overloads any global configuration. diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index afd68524ffa98..7799788f662fd 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -930,13 +930,14 @@ static void pmu_format_value(unsigned long *format, __u64 value, __u64 *v, static __u64 pmu_format_max_value(const unsigned long *format) { - __u64 w = 0; - int fbit; - - for_each_set_bit(fbit, format, PERF_PMU_FORMAT_BITS) - w |= (1ULL << fbit); + int w; - return w; + w = bitmap_weight(format, PERF_PMU_FORMAT_BITS); + if (!w) + return 0; + if (w < 64) + return (1ULL << w) - 1; + return -1; } /* diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c index 09d6746e6ec8e..e767c4a9d4d25 100644 --- a/tools/perf/util/srcline.c +++ b/tools/perf/util/srcline.c @@ -85,6 +85,9 @@ static struct symbol *new_inline_sym(struct dso *dso, struct symbol *inline_sym; char *demangled = NULL; + if (!funcname) + funcname = "??"; + if (dso) { demangled = dso__demangle_sym(dso, 0, funcname); if (demangled) diff --git a/tools/testing/selftests/drivers/usb/usbip/usbip_test.sh b/tools/testing/selftests/drivers/usb/usbip/usbip_test.sh index a72df93cf1f82..128f0ab243074 100755 --- a/tools/testing/selftests/drivers/usb/usbip/usbip_test.sh +++ b/tools/testing/selftests/drivers/usb/usbip/usbip_test.sh @@ -141,6 +141,10 @@ echo "Import devices from localhost - should work" src/usbip attach -r localhost -b $busid; echo "==============================================================" +# Wait for sysfs file to be updated. Without this sleep, usbip port +# shows no imported devices. +sleep 3; + echo "List imported devices - expect to see imported devices"; src/usbip port; echo "==============================================================" diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-syntax.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-syntax.tc new file mode 100644 index 0000000000000..88e6c3f430066 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-syntax.tc @@ -0,0 +1,80 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: event trigger - test synthetic_events syntax parser + +do_reset() { + reset_trigger + echo > set_event + clear_trace +} + +fail() { #msg + do_reset + echo $1 + exit_fail +} + +if [ ! -f set_event ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +if [ ! -f synthetic_events ]; then + echo "synthetic event is not supported" + exit_unsupported +fi + +reset_tracer +do_reset + +echo "Test synthetic_events syntax parser" + +echo > synthetic_events + +# synthetic event must have a field +! echo "myevent" >> synthetic_events +echo "myevent u64 var1" >> synthetic_events + +# synthetic event must be found in synthetic_events +grep "myevent[[:space:]]u64 var1" synthetic_events + +# it is not possible to add same name event +! echo "myevent u64 var2" >> synthetic_events + +# Non-append open will cleanup all events and add new one +echo "myevent u64 var2" > synthetic_events + +# multiple fields with different spaces +echo "myevent u64 var1; u64 var2;" > synthetic_events +grep "myevent[[:space:]]u64 var1; u64 var2" synthetic_events +echo "myevent u64 var1 ; u64 var2 ;" > synthetic_events +grep "myevent[[:space:]]u64 var1; u64 var2" synthetic_events +echo "myevent u64 var1 ;u64 var2" > synthetic_events +grep "myevent[[:space:]]u64 var1; u64 var2" synthetic_events + +# test field types +echo "myevent u32 var" > synthetic_events +echo "myevent u16 var" > synthetic_events +echo "myevent u8 var" > synthetic_events +echo "myevent s64 var" > synthetic_events +echo "myevent s32 var" > synthetic_events +echo "myevent s16 var" > synthetic_events +echo "myevent s8 var" > synthetic_events + +echo "myevent char var" > synthetic_events +echo "myevent int var" > synthetic_events +echo "myevent long var" > synthetic_events +echo "myevent pid_t var" > synthetic_events + +echo "myevent unsigned char var" > synthetic_events +echo "myevent unsigned int var" > synthetic_events +echo "myevent unsigned long var" > synthetic_events +grep "myevent[[:space:]]unsigned long var" synthetic_events + +# test string type +echo "myevent char var[10]" > synthetic_events +grep "myevent[[:space:]]char\[10\] var" synthetic_events + +do_reset + +exit 0 diff --git a/tools/testing/selftests/net/reuseport_bpf.c b/tools/testing/selftests/net/reuseport_bpf.c index cad14cd0ea922..b5277106df1fd 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) |