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KVM: Do not allow interrupt injection from userspace if there is a pending event.

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The exception will immediately close the interrupt window.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Gleb Natapov 2009-05-11 13:35:47 +03:00 committed by Avi Kivity
parent 3298b75c88
commit fa9726b073
1 changed files with 3 additions and 2 deletions
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5
arch/x86/kvm/x86.c
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@ -3105,8 +3105,9 @@ static void post_kvm_run_save(struct kvm_vcpu *vcpu,
kvm_run->ready_for_interrupt_injection = 1;
else
kvm_run->ready_for_interrupt_injection =
(kvm_arch_interrupt_allowed(vcpu) &&
!kvm_cpu_has_interrupt(vcpu));
kvm_arch_interrupt_allowed(vcpu) &&
!kvm_cpu_has_interrupt(vcpu) &&
!kvm_event_needs_reinjection(vcpu);
}
static void vapic_enter(struct kvm_vcpu *vcpu)