xen: make sure retriggered events are set pending (ee8fa1c6) · Commits · 戴 / test

retrigger_dynirq() was incomplete, and didn't properly set the event to be pending again. It doesn't seem to actually get used. Signed-off-by:

arch/x86/xen/events.c

+7 −1

Original line number	Diff line number	Diff line
		@@ -601,10 +601,16 @@ static void ack_dynirq(unsigned int irq)
		static int retrigger_dynirq(unsigned int irq)
		{
		int evtchn = evtchn_from_irq(irq);
		struct shared_info *sh = HYPERVISOR_shared_info;
		int ret = 0;

		if (VALID_EVTCHN(evtchn)) {
		set_evtchn(evtchn);
		int masked;

		masked = sync_test_and_set_bit(evtchn, sh->evtchn_mask);
		sync_set_bit(evtchn, sh->evtchn_pending);
		if (!masked)
		unmask_evtchn(evtchn);
		ret = 1;
		}