This patch implements logic to make sure that either a
page-fault/page-fault-vmexit or a nested-page-fault-vmexit
is propagated back to the guest.
@@ -338,6 +338,22 @@ void kvm_inject_page_fault(struct kvm_vcpu *vcpu)
kvm_queue_exception_e(vcpu, PF_VECTOR, error_code);
}
+void kvm_propagate_fault(struct kvm_vcpu *vcpu)
+{
+ u32 nested, error;
+
+ error = vcpu->arch.fault.error_code;
+ nested = error& PFERR_NESTED_MASK;
+ error = error& ~PFERR_NESTED_MASK;
+
+ vcpu->arch.fault.error_code = error;
+
+ if (mmu_is_nested(vcpu)&& !nested)
+ vcpu->arch.nested_mmu.inject_page_fault(vcpu);
+ else
+ vcpu->arch.mmu.inject_page_fault(vcpu);
+}
+