diff options
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/watchdog.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/kernel/watchdog.c b/kernel/watchdog.c index 997c6a16ec22..75a2ab3d0b02 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c | |||
@@ -344,6 +344,10 @@ static void watchdog_enable(unsigned int cpu) | |||
344 | { | 344 | { |
345 | struct hrtimer *hrtimer = &__raw_get_cpu_var(watchdog_hrtimer); | 345 | struct hrtimer *hrtimer = &__raw_get_cpu_var(watchdog_hrtimer); |
346 | 346 | ||
347 | /* kick off the timer for the hardlockup detector */ | ||
348 | hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); | ||
349 | hrtimer->function = watchdog_timer_fn; | ||
350 | |||
347 | if (!watchdog_enabled) { | 351 | if (!watchdog_enabled) { |
348 | kthread_park(current); | 352 | kthread_park(current); |
349 | return; | 353 | return; |
@@ -352,10 +356,6 @@ static void watchdog_enable(unsigned int cpu) | |||
352 | /* Enable the perf event */ | 356 | /* Enable the perf event */ |
353 | watchdog_nmi_enable(cpu); | 357 | watchdog_nmi_enable(cpu); |
354 | 358 | ||
355 | /* kick off the timer for the hardlockup detector */ | ||
356 | hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); | ||
357 | hrtimer->function = watchdog_timer_fn; | ||
358 | |||
359 | /* done here because hrtimer_start can only pin to smp_processor_id() */ | 359 | /* done here because hrtimer_start can only pin to smp_processor_id() */ |
360 | hrtimer_start(hrtimer, ns_to_ktime(sample_period), | 360 | hrtimer_start(hrtimer, ns_to_ktime(sample_period), |
361 | HRTIMER_MODE_REL_PINNED); | 361 | HRTIMER_MODE_REL_PINNED); |
@@ -369,9 +369,6 @@ static void watchdog_disable(unsigned int cpu) | |||
369 | { | 369 | { |
370 | struct hrtimer *hrtimer = &__raw_get_cpu_var(watchdog_hrtimer); | 370 | struct hrtimer *hrtimer = &__raw_get_cpu_var(watchdog_hrtimer); |
371 | 371 | ||
372 | if (!watchdog_enabled) | ||
373 | return; | ||
374 | |||
375 | watchdog_set_prio(SCHED_NORMAL, 0); | 372 | watchdog_set_prio(SCHED_NORMAL, 0); |
376 | hrtimer_cancel(hrtimer); | 373 | hrtimer_cancel(hrtimer); |
377 | /* disable the perf event */ | 374 | /* disable the perf event */ |