diff --git a/[refs] b/[refs] index 37421b264823..2e4ee8073903 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 3c46bdcaec53eda069a8a9cd60621c7431aa7842 +refs/heads/master: 8f89441b37536fea92b1ed7004e5e2dda011473d diff --git a/trunk/kernel/time/clocksource.c b/trunk/kernel/time/clocksource.c index 3db5c3c460d7..51b6a6a6158c 100644 --- a/trunk/kernel/time/clocksource.c +++ b/trunk/kernel/time/clocksource.c @@ -74,7 +74,7 @@ static struct clocksource *watchdog; static struct timer_list watchdog_timer; static DEFINE_SPINLOCK(watchdog_lock); static cycle_t watchdog_last; -static int watchdog_resumed; +static unsigned long watchdog_resumed; /* * Interval: 0.5sec Threshold: 0.0625s @@ -104,9 +104,7 @@ static void clocksource_watchdog(unsigned long data) spin_lock(&watchdog_lock); - resumed = watchdog_resumed; - if (unlikely(resumed)) - watchdog_resumed = 0; + resumed = test_and_clear_bit(0, &watchdog_resumed); wdnow = watchdog->read(); wd_nsec = cyc2ns(watchdog, (wdnow - watchdog_last) & watchdog->mask); @@ -151,9 +149,7 @@ static void clocksource_watchdog(unsigned long data) } static void clocksource_resume_watchdog(void) { - spin_lock(&watchdog_lock); - watchdog_resumed = 1; - spin_unlock(&watchdog_lock); + set_bit(0, &watchdog_resumed); } static void clocksource_check_watchdog(struct clocksource *cs)