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 6e63097fa73a..3d0c56ad4792 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c | |||
@@ -98,7 +98,7 @@ __setup("nosoftlockup", nosoftlockup_setup); | |||
98 | * the thresholds with a factor: we make the soft threshold twice the amount of | 98 | * the thresholds with a factor: we make the soft threshold twice the amount of |
99 | * time the hard threshold is. | 99 | * time the hard threshold is. |
100 | */ | 100 | */ |
101 | static int get_softlockup_thresh() | 101 | static int get_softlockup_thresh(void) |
102 | { | 102 | { |
103 | return watchdog_thresh * 2; | 103 | return watchdog_thresh * 2; |
104 | } | 104 | } |
@@ -415,15 +415,13 @@ static void watchdog_nmi_disable(int cpu) { return; } | |||
415 | #endif /* CONFIG_HARDLOCKUP_DETECTOR */ | 415 | #endif /* CONFIG_HARDLOCKUP_DETECTOR */ |
416 | 416 | ||
417 | /* prepare/enable/disable routines */ | 417 | /* prepare/enable/disable routines */ |
418 | static int watchdog_prepare_cpu(int cpu) | 418 | static void watchdog_prepare_cpu(int cpu) |
419 | { | 419 | { |
420 | struct hrtimer *hrtimer = &per_cpu(watchdog_hrtimer, cpu); | 420 | struct hrtimer *hrtimer = &per_cpu(watchdog_hrtimer, cpu); |
421 | 421 | ||
422 | WARN_ON(per_cpu(softlockup_watchdog, cpu)); | 422 | WARN_ON(per_cpu(softlockup_watchdog, cpu)); |
423 | hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); | 423 | hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); |
424 | hrtimer->function = watchdog_timer_fn; | 424 | hrtimer->function = watchdog_timer_fn; |
425 | |||
426 | return 0; | ||
427 | } | 425 | } |
428 | 426 | ||
429 | static int watchdog_enable(int cpu) | 427 | static int watchdog_enable(int cpu) |
@@ -542,17 +540,16 @@ static int __cpuinit | |||
542 | cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) | 540 | cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) |
543 | { | 541 | { |
544 | int hotcpu = (unsigned long)hcpu; | 542 | int hotcpu = (unsigned long)hcpu; |
545 | int err = 0; | ||
546 | 543 | ||
547 | switch (action) { | 544 | switch (action) { |
548 | case CPU_UP_PREPARE: | 545 | case CPU_UP_PREPARE: |
549 | case CPU_UP_PREPARE_FROZEN: | 546 | case CPU_UP_PREPARE_FROZEN: |
550 | err = watchdog_prepare_cpu(hotcpu); | 547 | watchdog_prepare_cpu(hotcpu); |
551 | break; | 548 | break; |
552 | case CPU_ONLINE: | 549 | case CPU_ONLINE: |
553 | case CPU_ONLINE_FROZEN: | 550 | case CPU_ONLINE_FROZEN: |
554 | if (watchdog_enabled) | 551 | if (watchdog_enabled) |
555 | err = watchdog_enable(hotcpu); | 552 | watchdog_enable(hotcpu); |
556 | break; | 553 | break; |
557 | #ifdef CONFIG_HOTPLUG_CPU | 554 | #ifdef CONFIG_HOTPLUG_CPU |
558 | case CPU_UP_CANCELED: | 555 | case CPU_UP_CANCELED: |