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kernel/watchdog.c: is_hardlockup can be boolean

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Make is_hardlockup return bool to improve readability due to this
particular function only using either one or zero as its return value.

No functional change.

Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
Reviewed-by: Aaron Tomlin <atomlin@redhat.com>
Acked-by: Don Zickus <dzickus@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Yaowei Bai 2015-11-05 18:44:24 -08:00 committed by Linus Torvalds
parent b64787401f
commit 451637e454
1 changed files with 3 additions and 3 deletions
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6
kernel/watchdog.c
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@ -263,15 +263,15 @@ void touch_softlockup_watchdog_sync(void)
#ifdef CONFIG_HARDLOCKUP_DETECTOR
/* watchdog detector functions */
static int is_hardlockup(void)
static bool is_hardlockup(void)
{
unsigned long hrint = __this_cpu_read(hrtimer_interrupts);
if (__this_cpu_read(hrtimer_interrupts_saved) == hrint)
return 1;
return true;
__this_cpu_write(hrtimer_interrupts_saved, hrint);
return 0;
return false;
}
#endif