alarmtimers: Push rearming peroidic timers down into alamrtimer handler
This patch pushes the periodic alarmtimer re-arming down into the alarmtimer handler, mimicking how hrtimers handle this. CC: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: John Stultz <john.stultz@linaro.org>
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@ -174,6 +174,7 @@ static enum hrtimer_restart alarmtimer_fired(struct hrtimer *timer)
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unsigned long flags;
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ktime_t now;
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int ret = HRTIMER_NORESTART;
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int restart = ALARMTIMER_NORESTART;
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spin_lock_irqsave(&base->lock, flags);
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now = base->gettime();
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@ -188,16 +189,16 @@ static enum hrtimer_restart alarmtimer_fired(struct hrtimer *timer)
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timerqueue_del(&base->timerqueue, &alarm->node);
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alarm->enabled = 0;
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/* Re-add periodic timers */
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if (alarm->period.tv64) {
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alarm->node.expires = ktime_add(expired, alarm->period);
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spin_unlock_irqrestore(&base->lock, flags);
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if (alarm->function)
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restart = alarm->function(alarm, now);
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spin_lock_irqsave(&base->lock, flags);
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if (restart != ALARMTIMER_NORESTART) {
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timerqueue_add(&base->timerqueue, &alarm->node);
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alarm->enabled = 1;
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}
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spin_unlock_irqrestore(&base->lock, flags);
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if (alarm->function)
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alarm->function(alarm, now);
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spin_lock_irqsave(&base->lock, flags);
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}
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if (next) {
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@ -373,6 +374,11 @@ static enum alarmtimer_restart alarm_handle_timer(struct alarm *alarm,
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if (posix_timer_event(ptr, 0) != 0)
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ptr->it_overrun++;
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/* Re-add periodic timers */
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if (alarm->period.tv64) {
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alarm->node.expires = ktime_add(now, alarm->period);
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return ALARMTIMER_RESTART;
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}
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return ALARMTIMER_NORESTART;
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}
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