Thomas Gleixner a994a3147e watchdog/hardlockup/perf: Implement init time detection of perf ...

Use the init time detection of the perf NMI watchdog to determine whether
the perf NMI watchdog is functional. If not disable it permanentely. It
won't come back magically at runtime.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Don Zickus <dzickus@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sebastian Siewior <bigeasy@linutronix.de>
Cc: Ulrich Obergfell <uobergfe@redhat.com>
Link: http://lkml.kernel.org/r/20170912194148.099799541@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>

2017-09-14 11:41:08 +02:00

..

bpf

bpf: devmap, use cond_resched instead of cpu_relax

2017-09-08 21:11:00 -07:00

cgroup

Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2017-09-12 11:30:56 -07:00

configs

ANDROID: binder: add hwbinder,vndbinder to BINDER_DEVICES.

2017-08-22 18:43:23 -07:00

debug

sched/headers: Prepare for new header dependencies before moving code to <linux/sched/debug.h>

2017-03-02 08:42:34 +01:00

events

Merge branch 'for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

2017-09-06 22:25:25 -07:00

gcov

gcov: support GCC 7.1

2017-05-12 15:57:15 -07:00

irq

Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2017-09-12 11:25:56 -07:00

livepatch

livepatch: Fix stacking of patches with respect to RCU

2017-06-20 10:42:19 +02:00

locking

locking/rtmutex: replace top-waiter and pi_waiters leftmost caching

2017-09-08 18:26:49 -07:00

power

Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2017-09-12 11:30:56 -07:00

printk

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk

2017-09-07 21:00:52 -07:00

rcu

treewide: make "nr_cpu_ids" unsigned

2017-09-08 18:26:48 -07:00

sched

Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2017-09-13 12:22:32 -07:00

time

drivers/pps: aesthetic tweaks to PPS-related content

2017-09-08 18:26:51 -07:00

trace

Merge branch 'akpm' (patches from Andrew)

2017-09-09 10:30:07 -07:00

.gitignore

certs: add .gitignore to stop git nagging about x509_certificate_list

2015-10-21 15:18:35 +01:00

acct.c

sched/headers: Prepare to move cputime functionality from <linux/sched.h> into <linux/sched/cputime.h>

2017-03-02 08:42:39 +01:00

async.c

async: Adjust system_state checks

2017-05-23 10:01:37 +02:00

audit_fsnotify.c

Merge branch 'fsnotify' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

2017-05-03 11:05:15 -07:00

audit_tree.c

Merge branch 'fsnotify' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

2017-05-03 11:05:15 -07:00

audit_watch.c

Merge tag 'audit-pr-20170816' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit

2017-08-16 16:48:34 -07:00

audit.c

audit: update the function comments

2017-09-05 09:46:59 -04:00

audit.h

audit: style fix

2017-06-12 18:07:43 -04:00

auditfilter.c

audit: kernel generated netlink traffic should have a portid of 0

2017-05-02 10:16:05 -04:00

auditsc.c

audit: update the function comments

2017-09-05 09:46:59 -04:00

backtracetest.c

…

bounds.c

page-cgroup: get rid of NR_PCG_FLAGS

2014-08-08 15:57:18 -07:00

capability.c

capability: export has_capability

2017-01-12 07:01:56 -07:00

compat.c

Merge branch 'misc.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2017-07-06 20:57:13 -07:00

configs.c

Replace <asm/uaccess.h> with <linux/uaccess.h> globally

2016-12-24 11:46:01 -08:00

context_tracking.c

context_tracking: Switch to new static_branch API

2015-11-24 09:56:43 +01:00

cpu_pm.c

PM / CPU: replace raw_notifier with atomic_notifier

2017-07-31 13:09:49 +02:00

cpu.c

watchdog/hardlockup/perf: Prevent CPU hotplug deadlock

2017-09-14 11:41:05 +02:00

crash_core.c

kdump: protect vmcoreinfo data under the crash memory

2017-07-12 16:26:00 -07:00

crash_dump.c

crash_dump: Make is_kdump_kernel() accessible from modules

2014-08-25 15:42:19 -07:00

cred.c

doc: ReSTify credentials.txt

2017-05-18 10:30:19 -06:00

delayacct.c

sched/headers: Prepare to move cputime functionality from <linux/sched.h> into <linux/sched/cputime.h>

2017-03-02 08:42:39 +01:00

dma.c

…

elfcore.c

…

exec_domain.c

Remove rest of exec domains.

2015-04-12 21:03:31 +02:00

exit.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

2017-09-11 18:34:47 -07:00

extable.c

lib/extable.c: use bsearch() library function in search_extable()

2017-07-10 16:32:35 -07:00

fork.c

Merge tag 'selinux-pr-20170831' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux

2017-09-12 13:21:00 -07:00

freezer.c

freezer, oom: check TIF_MEMDIE on the correct task

2016-07-28 16:07:41 -07:00

futex_compat.c

Replace <asm/uaccess.h> with <linux/uaccess.h> globally

2016-12-24 11:46:01 -08:00

futex.c

futex: Remove duplicated code and fix undefined behaviour

2017-08-25 22:49:59 +02:00

groups.c

kernel/groups.c: use sort library function

2017-07-10 16:32:34 -07:00

hung_task.c

kernel/hung_task.c: defer showing held locks

2017-05-08 17:15:10 -07:00

irq_work.c

treewide: Remove old email address

2015-11-23 09:44:58 +01:00

jump_label.c

jump_label: Provide hotplug context variants

2017-08-10 12:28:59 +02:00

kallsyms.c

kernel/kallsyms.c: replace all_var with IS_ENABLED(CONFIG_KALLSYMS_ALL)

2017-07-10 16:32:34 -07:00

kcmp.c

kcmp: add KCMP_EPOLL_TFD mode to compare epoll target files

2017-07-12 16:26:01 -07:00

Kconfig.freezer

…

Kconfig.hz

…

Kconfig.locks

locking/mutex: Allow MUTEX_SPIN_ON_OWNER when DEBUG_MUTEXES

2016-10-25 11:31:51 +02:00

Kconfig.preempt

…

kcov.c

kcov: support compat processes

2017-09-08 18:26:51 -07:00

kexec_core.c

x86/mm, kexec: Allow kexec to be used with SME

2017-07-18 11:38:04 +02:00

kexec_file.c

kexec_file: adjust declaration of kexec_purgatory

2017-07-12 16:26:02 -07:00

kexec_internal.h

kexec_file: adjust declaration of kexec_purgatory

2017-07-12 16:26:02 -07:00

kexec.c

kdump: protect vmcoreinfo data under the crash memory

2017-07-12 16:26:00 -07:00

kmod.c

kmod: move #ifdef CONFIG_MODULES wrapper to Makefile

2017-09-08 18:26:51 -07:00

kprobes.c

kprobes: Ensure that jprobe probepoints are at function entry

2017-07-08 11:05:35 +02:00

ksysfs.c

kexec: move vmcoreinfo out of the kernel's .bss section

2017-07-12 16:25:59 -07:00

kthread.c

kernel/kthread.c: kthread_worker: don't hog the cpu

2017-08-31 16:33:15 -07:00

latencytop.c

sched/headers: Prepare to move sched_info_on() and force_schedstat_enabled() from <linux/sched.h> to <linux/sched/stat.h>

2017-03-02 08:42:39 +01:00

Makefile

kmod: move #ifdef CONFIG_MODULES wrapper to Makefile

2017-09-08 18:26:51 -07:00

memremap.c

mm/device-public-memory: device memory cache coherent with CPU

2017-09-08 18:26:46 -07:00

module_signing.c

KEYS: Move the point of trust determination to __key_link()

2016-04-11 22:43:43 +01:00

module-internal.h

…

module.c

module: fix ddebug_remove_module()

2017-07-25 15:08:32 +02:00

notifier.c

kernel/notifier.c: simplify expression

2017-02-24 17:46:56 -08:00

nsproxy.c

perf: Add PERF_RECORD_NAMESPACES to include namespaces related info

2017-03-13 15:57:41 -03:00

padata.c

padata: Avoid nested calls to cpus_read_lock() in pcrypt_init_padata()

2017-05-26 10:10:37 +02:00

panic.c

locking/refcounts, x86/asm: Implement fast refcount overflow protection

2017-08-17 10:40:26 +02:00

params.c

boot/param: Move next_arg() function to lib/cmdline.c for later reuse

2017-04-18 10:37:13 +02:00

pid_namespace.c

userns,pidns: Verify the userns for new pid namespaces

2017-07-20 07:43:58 -05:00

pid.c

pids: make task_tgid_nr_ns() safe

2017-08-21 12:47:31 -07:00

profile.c

sched/headers: Prepare to move sched_info_on() and force_schedstat_enabled() from <linux/sched.h> to <linux/sched/stat.h>

2017-03-02 08:42:39 +01:00

ptrace.c

signal: Remove kernel interal si_code magic

2017-07-24 14:30:28 -05:00

range.c

kernel: avoid overflow in cmp_range

2015-01-17 10:02:23 +13:00

reboot.c

kexec: split kexec_load syscall from kexec core code

2015-09-10 13:29:01 -07:00

relay.c

Merge branch 'work.splice' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2017-05-02 11:38:06 -07:00

resource.c

/proc/iomem: only expose physical resource addresses to privileged users

2016-04-14 12:56:09 -07:00

seccomp.c

seccomp: Switch from atomic_t to recount_t

2017-06-26 09:24:00 -07:00

signal.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

2017-09-11 18:34:47 -07:00

smp.c

treewide: make "nr_cpu_ids" unsigned

2017-09-08 18:26:48 -07:00

smpboot.c

smpboot/threads, watchdog/core: Avoid runtime allocation

2017-09-14 11:41:06 +02:00

smpboot.h

cpu/hotplug: Create hotplug threads

2016-03-01 20:36:56 +01:00

softirq.c

sched/core: Remove 'task' parameter and rename tsk_restore_flags() to current_restore_flags()

2017-04-11 09:06:32 +02:00

stacktrace.c

stacktrace/x86: add function for detecting reliable stack traces

2017-03-08 09:18:02 +01:00

stop_machine.c

stop_machine: Provide stop_machine_cpuslocked()

2017-05-26 10:10:36 +02:00

sys_ni.c

move aio compat to fs/aio.c

2016-12-22 22:58:37 -05:00

sys.c

prctl: Allow local CAP_SYS_ADMIN changing exe_file

2017-07-20 07:46:07 -05:00

sysctl_binary.c

kernel/sysctl_binary.c: check name array length in deprecated_sysctl_warning()

2017-07-12 16:26:00 -07:00

sysctl.c

watchdog/sysctl: Clean up sysctl variable name space

2017-09-14 11:41:07 +02:00

task_work.c

task_work: Replace spin_unlock_wait() with lock/unlock pair

2017-07-25 10:08:58 -07:00

taskstats.c

taskstats: add e/u/stime for TGID command

2017-05-08 17:15:12 -07:00

test_kprobes.c

kernel/test_kprobes.c: use current logging functions

2014-08-08 15:57:18 -07:00

torture.c

torture: Fix typo suppressing CPU-hotplug statistics

2017-07-25 13:04:45 -07:00

tracepoint.c

sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task.h>

2017-03-02 08:42:35 +01:00

tsacct.c

sched/headers: Prepare to move cputime functionality from <linux/sched.h> into <linux/sched/cputime.h>

2017-03-02 08:42:39 +01:00

ucount.c

ucount: Remove the atomicity from ucount->count

2017-03-06 15:26:37 -06:00

uid16.c

sched/headers: Prepare to remove <linux/cred.h> inclusion from <linux/sched.h>

2017-03-02 08:42:31 +01:00

umh.c

kmod: split out umh code into its own file

2017-09-08 18:26:50 -07:00

up.c

smp: Avoid using two cache lines for struct call_single_data

2017-08-29 15:14:38 +02:00

user_namespace.c

userns,pidns: Verify the userns for new pid namespaces

2017-07-20 07:43:58 -05:00

user-return-notifier.c

scheduler: Replace __get_cpu_var with this_cpu_ptr

2014-08-26 13:45:45 -04:00

user.c

sched/headers: Prepare for new header dependencies before moving code to <linux/sched/user.h>

2017-03-02 08:42:29 +01:00

utsname_sysctl.c

sched/headers: Remove <linux/rwsem.h> from <linux/sched.h>

2017-03-03 01:45:36 +01:00

utsname.c

sched/headers: Prepare to move the task_lock()/unlock() APIs to <linux/sched/task.h>

2017-03-02 08:42:38 +01:00

watchdog_hld.c

watchdog/hardlockup/perf: Implement init time perf validation

2017-09-14 11:41:08 +02:00

watchdog.c

watchdog/hardlockup/perf: Implement init time detection of perf

2017-09-14 11:41:08 +02:00

workqueue_internal.h

sched/core: Get rid of 'cpu' argument in wq_worker_sleeping()

2016-03-02 10:28:47 -05:00

workqueue.c

Merge branch 'for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

2017-09-06 21:59:31 -07:00