HRTIMER_STATE_ENQUEUED
WRITE_ONCE(timer->is_queued, HRTIMER_STATE_ENQUEUED);
WRITE_ONCE(timer->is_queued, HRTIMER_STATE_ENQUEUED);
bool was_armed = remove_hrtimer(timer, base, HRTIMER_STATE_ENQUEUED);
__remove_hrtimer(timer, old_base, HRTIMER_STATE_ENQUEUED, false);