Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit a52521f1 authored by Jeremy Fitzhardinge's avatar Jeremy Fitzhardinge
Browse files

xen: set up IRQ before binding virq to evtchn 



Make sure the irq is set up before binding a virq event channel to it.

Signed-off-by: default avatarJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
parent b0097ade

drivers/xen/events.c

+5 −5
Original line number Diff line number Diff line
@@ -436,6 +436,11 @@ static int bind_virq_to_irq(unsigned int virq, unsigned int cpu) 
	irq = per_cpu(virq_to_irq, cpu)[virq];



	if (irq == -1) {

		irq = find_unbound_irq();



		set_irq_chip_and_handler_name(irq, &xen_percpu_chip,

					      handle_percpu_irq, "virq");



		bind_virq.virq = virq;

		bind_virq.vcpu = cpu;

		if (HYPERVISOR_event_channel_op(EVTCHNOP_bind_virq,
@@ -443,11 +448,6 @@ static int bind_virq_to_irq(unsigned int virq, unsigned int cpu) 
			BUG();

		evtchn = bind_virq.port;



		irq = find_unbound_irq();



		set_irq_chip_and_handler_name(irq, &xen_percpu_chip,

					      handle_percpu_irq, "virq");



		evtchn_to_irq[evtchn] = irq;

		irq_info[irq] = mk_virq_info(evtchn, virq);