#define KVM_REQ_TRIPLE_FAULT KVM_ARCH_REQ(2)
#define KVM_REQ_MMU_SYNC KVM_ARCH_REQ(3)
#define KVM_REQ_CLOCK_UPDATE KVM_ARCH_REQ(4)
+#define KVM_REQ_LOAD_CR3 KVM_ARCH_REQ(5)
#define KVM_REQ_EVENT KVM_ARCH_REQ(6)
#define KVM_REQ_APF_HALT KVM_ARCH_REQ(7)
#define KVM_REQ_STEAL_UPDATE KVM_ARCH_REQ(8)
kvm_mmu_sync_roots(vcpu);
if (r)
goto out;
- /* set_cr3() should ensure TLB has been flushed */
- vcpu->arch.mmu.set_cr3(vcpu, vcpu->arch.mmu.root_hpa);
+ kvm_mmu_load_cr3(vcpu);
out:
return r;
}
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
}
if (kvm_check_request(KVM_REQ_MMU_SYNC, vcpu))
kvm_mmu_sync_roots(vcpu);
+ if (kvm_check_request(KVM_REQ_LOAD_CR3, vcpu))
+ kvm_mmu_load_cr3(vcpu);
if (kvm_check_request(KVM_REQ_TLB_FLUSH, vcpu))
kvm_vcpu_flush_tlb(vcpu, true);
if (kvm_check_request(KVM_REQ_REPORT_TPR_ACCESS, vcpu)) {