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-rw-r--r--arch/x86/kvm/mmu.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h
index 5b408c0ad612..16b7178853ac 100644
--- a/arch/x86/kvm/mmu.h
+++ b/arch/x86/kvm/mmu.h
@@ -85,6 +85,13 @@ static inline int kvm_mmu_reload(struct kvm_vcpu *vcpu)
return kvm_mmu_load(vcpu);
}
+static inline void kvm_mmu_load_cr3(struct kvm_vcpu *vcpu)
+{
+ /* set_cr3() should ensure TLB has been flushed */
+ if (VALID_PAGE(vcpu->arch.mmu.root_hpa))
+ vcpu->arch.mmu.set_cr3(vcpu, vcpu->arch.mmu.root_hpa);
+}
+
/*
* Currently, we have two sorts of write-protection, a) the first one
* write-protects guest page to sync the guest modification, b) another one is