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Subject[PATCH] 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.

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, &param);
@@ -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, &param);
return 0;
}


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