KVM: SVM: No need to unprotect memory during event injection when using npt
No memory is protected anyway.
Signed-off-by: Avi Kivity <avi@qumranet.com>
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 @@
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);
}