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| author | Marcelo Tosatti <mtosatti@redhat.com> | 2013-10-12 02:39:26 +0200 |
|---|---|---|
| committer | Gleb Natapov <gleb@redhat.com> | 2013-11-06 08:49:02 +0100 |
| commit | 8b414521bc5375ae8ba18c083af95d44b8da0d04 (patch) | |
| tree | dd45ba45e6c397081c838b4dd80e42bc3752ad4f /arch/x86 | |
| parent | pvclock: detect watchdog reset at pvclock read (diff) | |
| download | linux-8b414521bc5375ae8ba18c083af95d44b8da0d04.tar.xz linux-8b414521bc5375ae8ba18c083af95d44b8da0d04.zip | |
hung_task: add method to reset detector
In certain occasions it is possible for a hung task detector
positive to be false: continuation from a paused VM, for example.
Add a method to reset detection, similar as is done
with other kernel watchdogs.
Acked-by: Don Zickus <dzickus@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/pvclock.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c index 6279928c0a71..2f355d229a58 100644 --- a/arch/x86/kernel/pvclock.c +++ b/arch/x86/kernel/pvclock.c @@ -48,6 +48,7 @@ void pvclock_touch_watchdogs(void) touch_softlockup_watchdog_sync(); clocksource_touch_watchdog(); rcu_cpu_stall_reset(); + reset_hung_task_detector(); } static atomic64_t last_value = ATOMIC64_INIT(0); |