diff options
Diffstat (limited to 'kernel/watchdog.c')
| -rw-r--r-- | kernel/watchdog.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/kernel/watchdog.c b/kernel/watchdog.c index d12d5b86a555..250aafb7b9b9 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -232,7 +232,15 @@ static void __touch_watchdog(void) __this_cpu_write(watchdog_touch_ts, get_timestamp()); } -void touch_softlockup_watchdog(void) +/** + * touch_softlockup_watchdog_sched - touch watchdog on scheduler stalls + * + * Call when the scheduler may have stalled for legitimate reasons + * preventing the watchdog task from executing - e.g. the scheduler + * entering idle state. This should only be used for scheduler events. + * Use touch_softlockup_watchdog() for everything else. + */ +void touch_softlockup_watchdog_sched(void) { /* * Preemption can be enabled. It doesn't matter which CPU's timestamp @@ -240,6 +248,11 @@ void touch_softlockup_watchdog(void) */ raw_cpu_write(watchdog_touch_ts, 0); } + +void touch_softlockup_watchdog(void) +{ + touch_softlockup_watchdog_sched(); +} EXPORT_SYMBOL(touch_softlockup_watchdog); void touch_all_softlockup_watchdogs(void) |