diff --git a/kernel/watchdog.c b/kernel/watchdog.c index 14bc092fb12c..203fc6e1a285 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -319,11 +319,9 @@ static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer) */ static int watchdog(void *unused) { - struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 }; + struct sched_param param = { .sched_priority = 0 }; struct hrtimer *hrtimer = &__raw_get_cpu_var(watchdog_hrtimer); - sched_setscheduler(current, SCHED_FIFO, ¶m); - /* initialize timestamp */ __touch_watchdog(); @@ -350,7 +348,6 @@ 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; } @@ -439,6 +436,7 @@ static int watchdog_enable(int cpu) /* create the watchdog thread */ if (!p) { + struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 }; p = kthread_create_on_node(watchdog, NULL, cpu_to_node(cpu), "watchdog/%d", cpu); if (IS_ERR(p)) { printk(KERN_ERR "softlockup watchdog for %i failed\n", cpu); @@ -450,6 +448,7 @@ static int watchdog_enable(int cpu) } goto out; } + sched_setscheduler(p, SCHED_FIFO, ¶m); kthread_bind(p, cpu); per_cpu(watchdog_touch_ts, cpu) = 0; per_cpu(softlockup_watchdog, cpu) = p;