[RFC][PATCH 3/3] In DM_LOWEST, only deliver interrupts to vcpus with enabled LAPIC's

Chris Lalancette
2010-06-08T17:57:21Z

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>
---
virt/kvm/irq_comm.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c
index 52f412f..06cf61e 100644
--- a/virt/kvm/irq_comm.c
+++ b/virt/kvm/irq_comm.c
@@ -100,7 +100,7 @@ int kvm_irq_delivery_to_apic(struct kvm *kvm, struct kvm_lapic *src,
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)
--
1.6.6.1