[PATCH 36/39] KVM: SVM: No need to unprotect memory during event injection when using npt

[Avi Kivity]

From: Avi Kivity <avi@xxxxxxxxxxxx>

No memory is protected anyway.

Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>
---
 arch/x86/kvm/svm.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index be86c09..6022888 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1021,7 +1021,7 @@ static int pf_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
 	if (npt_enabled)
 		svm_flush_tlb(&svm->vcpu);
 
-	if (event_injection)
+	if (!npt_enabled && event_injection)
 		kvm_mmu_unprotect_page_virt(&svm->vcpu, fault_address);
 	return kvm_mmu_page_fault(&svm->vcpu, fault_address, error_code);
 }
-- 
1.6.0.1

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