sync_clear_bit     59 drivers/xen/events/events_2l.c 	sync_clear_bit(port, BM(&s->evtchn_pending[0]));
sync_clear_bit    105 drivers/xen/events/events_2l.c 		sync_clear_bit(port, BM(&s->evtchn_mask[0]));
sync_clear_bit    197 drivers/xen/events/events_fifo.c 	sync_clear_bit(EVTCHN_FIFO_BIT(PENDING, word), BM(word));