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[PATCH] KVM: Simplify test for interrupt window

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No need to test for rflags.if as both VT and SVM specs assure us that on exit
caused from interrupt window opening, 'if' is set.

Signed-off-by: Dor Laor <dor.laor@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Dor Laor 2007-01-05 16:37:00 -08:00 committed by Linus Torvalds
parent 68a99f6d37
commit 022a93080c
2 changed files with 2 additions and 4 deletions
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3
drivers/kvm/svm.c
View file

@ -1206,8 +1206,7 @@ static int interrupt_window_interception(struct kvm_vcpu *vcpu,
* possible
*/
if (kvm_run->request_interrupt_window &&
!vcpu->irq_summary &&
(vcpu->svm->vmcb->save.rflags & X86_EFLAGS_IF)) {
!vcpu->irq_summary) {
++kvm_stat.irq_window_exits;
kvm_run->exit_reason = KVM_EXIT_IRQ_WINDOW_OPEN;
return 0;

3
drivers/kvm/vmx.c
View file

@ -1604,8 +1604,7 @@ static int handle_interrupt_window(struct kvm_vcpu *vcpu,
* possible
*/
if (kvm_run->request_interrupt_window &&
!vcpu->irq_summary &&
(vmcs_readl(GUEST_RFLAGS) & X86_EFLAGS_IF)) {
!vcpu->irq_summary) {
kvm_run->exit_reason = KVM_EXIT_IRQ_WINDOW_OPEN;
++kvm_stat.irq_window_exits;
return 0;