Messages in this thread Patch in this message | | | Date | Mon, 12 Sep 2011 13:40:05 +0200 (CEST) | From | Thomas Gleixner <> | Subject | [PATCH] watchdog: Drop FIFO policy in exit path |
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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.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- kernel/watchdog.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
Index: linux-2.6/kernel/watchdog.c =================================================================== --- linux-2.6.orig/kernel/watchdog.c +++ linux-2.6/kernel/watchdog.c @@ -320,7 +320,7 @@ static enum hrtimer_restart watchdog_tim */ 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, ¶m); @@ -349,7 +349,8 @@ static int watchdog(void *unused) set_current_state(TASK_INTERRUPTIBLE); } __set_current_state(TASK_RUNNING); - + param.sched_priority = 0; + sched_setscheduler(current, SCHED_NORMAL, ¶m); return 0; }
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