* KVM: LAPIC: make sure IRR bitmap is scanned after vm load
@ 2009-12-14 19:37 Marcelo Tosatti
2009-12-15 10:12 ` Avi Kivity
0 siblings, 1 reply; 2+ messages in thread
From: Marcelo Tosatti @ 2009-12-14 19:37 UTC (permalink / raw)
To: Avi Kivity, Gleb Natapov; +Cc: kvm
The vcpus are initialized with irr_pending set to false, but
loading the LAPIC registers with pending IRR fails to reset
the irr_pending variable.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index cd60c0b..3063a0c 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -1150,6 +1150,7 @@ void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu)
hrtimer_cancel(&apic->lapic_timer.timer);
update_divide_count(apic);
start_apic_timer(apic);
+ apic->irr_pending = true;
}
void __kvm_migrate_apic_timer(struct kvm_vcpu *vcpu)
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2009-12-14 19:37 KVM: LAPIC: make sure IRR bitmap is scanned after vm load Marcelo Tosatti
2009-12-15 10:12 ` Avi Kivity
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