KVM: Unprotect a page if #PF happens during NMI injection.

It is done for exception and interrupt already.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index 39350b252725..21203d421276 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -30,4 +30,10 @@ static inline u8 kvm_pop_irq(struct kvm_vcpu *vcpu)
                 clear_bit(word_index, &vcpu->arch.irq_summary);
         return irq;
 }
+
+static inline bool kvm_event_needs_reinjection(struct kvm_vcpu *vcpu)
+{
+        return vcpu->arch.exception.pending || vcpu->arch.interrupt.pending ||
+                vcpu->arch.nmi_injected;
+}
 #endif