ack_dynirq       1393 drivers/xen/events/events_base.c 	ack_dynirq(data);
ack_dynirq       1598 drivers/xen/events/events_base.c 	.irq_ack		= ack_dynirq,
ack_dynirq       1632 drivers/xen/events/events_base.c 	.irq_ack		= ack_dynirq,