diff options
Diffstat (limited to 'kernel/timer.c')
-rw-r--r-- | kernel/timer.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/kernel/timer.c b/kernel/timer.c index cb1b86a9c52f..797cccb86431 100644 --- a/kernel/timer.c +++ b/kernel/timer.c @@ -711,6 +711,7 @@ static unsigned long cmp_next_hrtimer_event(unsigned long now, /** * next_timer_interrupt - return the jiffy of the next pending timer + * @now: current time (in jiffies) */ unsigned long get_next_timer_interrupt(unsigned long now) { @@ -861,6 +862,8 @@ int do_settimeofday(struct timespec *tv) clock->error = 0; ntp_clear(); + update_vsyscall(&xtime, clock); + write_sequnlock_irqrestore(&xtime_lock, flags); /* signal hrtimers about time change */ @@ -908,7 +911,7 @@ static inline void change_clocksource(void) { } #endif /** - * timeofday_is_continuous - check to see if timekeeping is free running + * timekeeping_is_continuous - check to see if timekeeping is free running */ int timekeeping_is_continuous(void) { @@ -996,6 +999,9 @@ static int timekeeping_resume(struct sys_device *dev) write_sequnlock_irqrestore(&xtime_lock, flags); touch_softlockup_watchdog(); + + clockevents_notify(CLOCK_EVT_NOTIFY_RESUME, NULL); + /* Resume hrtimers */ clock_was_set(); @@ -1010,6 +1016,9 @@ static int timekeeping_suspend(struct sys_device *dev, pm_message_t state) timekeeping_suspended = 1; timekeeping_suspend_time = read_persistent_clock(); write_sequnlock_irqrestore(&xtime_lock, flags); + + clockevents_notify(CLOCK_EVT_NOTIFY_SUSPEND, NULL); + return 0; } @@ -1650,8 +1659,8 @@ static void __devinit migrate_timers(int cpu) new_base = get_cpu_var(tvec_bases); local_irq_disable(); - spin_lock(&new_base->lock); - spin_lock(&old_base->lock); + double_spin_lock(&new_base->lock, &old_base->lock, + smp_processor_id() < cpu); BUG_ON(old_base->running_timer); @@ -1664,8 +1673,8 @@ static void __devinit migrate_timers(int cpu) migrate_timer_list(new_base, old_base->tv5.vec + i); } - spin_unlock(&old_base->lock); - spin_unlock(&new_base->lock); + double_spin_unlock(&new_base->lock, &old_base->lock, + smp_processor_id() < cpu); local_irq_enable(); put_cpu_var(tvec_bases); } |