KVM: x86: In DM_LOWEST, only deliver interrupts to vcpus with enabled LAPIC's

Otherwise we might try to deliver a timer interrupt to a cpu that can't possibly handle it. Signed-off-by: Chris Lalancette <clalance@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

KVM: x86: In DM_LOWEST, only deliver interrupts to vcpus with enabled LAPIC's
Otherwise we might try to deliver a timer interrupt to a cpu that can't possibly handle it. Signed-off-by: Chris Lalancette <clalance@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Chris Lalancette · Avi Kivity
1 parent e7dca5c0eb
Showing 1 changed file with 1 additions and 1 deletions Side-by-side Diff
virt/kvm/irq_comm.c
@@ -100,7 +100,7 @@
 			if (r < 0)
 				r = 0;
 			r += kvm_apic_set_irq(vcpu, irq);
-		} else {
+		} else if (kvm_lapic_enabled(vcpu)) {
 			if (!lowest)
 				lowest = vcpu;
 			else if (kvm_apic_compare_prio(vcpu, lowest) < 0)
...	...	@@ -100,7 +100,7 @@
100	100	if (r < 0)
101	101	r = 0;
102	102	r += kvm_apic_set_irq(vcpu, irq);
103		- } else {
	103	+ } else if (kvm_lapic_enabled(vcpu)) {
104	104	if (!lowest)
105	105	lowest = vcpu;
106	106	else if (kvm_apic_compare_prio(vcpu, lowest) < 0)