Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit cba9bd22 authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Ingo Molnar
Browse files

watchdog: Drop FIFO policy in exit path 



When the watchdog thread exits it runs through the exit path with FIFO
priority. There is no point in doing so. Switch back to SCHED_NORMAL
before exiting.

Cc: Don Zickus <dzickus@redhat.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/alpine.LFD.2.02.1109121337461.2723@ionos


Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 51887c82

kernel/watchdog.c

+3 −2
Original line number Diff line number Diff line
@@ -321,7 +321,7 @@ static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer) 
 */

static int watchdog(void *unused)

{

	static struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 };

	struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 };

	struct hrtimer *hrtimer = &__raw_get_cpu_var(watchdog_hrtimer);



	sched_setscheduler(current, SCHED_FIFO, &param);
@@ -350,7 +350,8 @@ static int watchdog(void *unused) 
		set_current_state(TASK_INTERRUPTIBLE);

	}

	__set_current_state(TASK_RUNNING);



	param.sched_priority = 0;

	sched_setscheduler(current, SCHED_NORMAL, &param);

	return 0;

}