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KVM: Drop interrupt shadow when single stepping should be done only on VMX

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The problem exists only on VMX. Also currently we skip this step if
there is pending exception. The patch fixes this too.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Gleb Natapov
2009-05-18 11:44:06 +03:00
committed by Avi Kivity
parent 284e9b0f5a
commit 787ff73637
2 changed files with 8 additions and 3 deletions
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3
arch/x86/kvm/x86.c
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@@ -3361,9 +3361,6 @@ static void update_cr8_intercept(struct kvm_vcpu *vcpu)
static void inject_pending_irq(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
{
if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP)
kvm_x86_ops->set_interrupt_shadow(vcpu, 0);
/* try to reinject previous events if any */
if (vcpu->arch.nmi_injected) {
kvm_x86_ops->set_nmi(vcpu);