KVM: Use generalized exception queue for injecting #UD

Signed-off-by: Avi Kivity <avi@qumranet.com>

drivers/kvm/svm.c

@@ -207,13 +207,6 @@ static bool svm_exception_injected(struct kvm_vcpu *vcpu)
 	return !(svm->vmcb->control.exit_int_info & SVM_EXITINTINFO_VALID);
 }
 
-static void inject_ud(struct kvm_vcpu *vcpu)
-{
-	to_svm(vcpu)->vmcb->control.event_inj = SVM_EVTINJ_VALID |
-						SVM_EVTINJ_TYPE_EXEPT |
-						UD_VECTOR;
-}
-
 static int is_external_interrupt(u32 info)
 {
 	info &= SVM_EVTINJ_TYPE_MASK | SVM_EVTINJ_VALID;
@@ -948,8 +941,7 @@ static int ud_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
 
 	er = emulate_instruction(&svm->vcpu, kvm_run, 0, 0, 0);
 	if (er != EMULATE_DONE)
-		inject_ud(&svm->vcpu);
-
+		kvm_queue_exception(&svm->vcpu, UD_VECTOR);
 	return 1;
 }
 
@@ -1027,7 +1019,7 @@ static int vmmcall_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
 static int invalid_op_interception(struct vcpu_svm *svm,
 				   struct kvm_run *kvm_run)
 {
-	inject_ud(&svm->vcpu);
+	kvm_queue_exception(&svm->vcpu, UD_VECTOR);
 	return 1;
 }
 

drivers/kvm/vmx.c

@@ -613,14 +613,6 @@ static bool vmx_exception_injected(struct kvm_vcpu *vcpu)
 	return !(vmx->idt_vectoring_info & VECTORING_INFO_VALID_MASK);
 }
 
-static void vmx_inject_ud(struct kvm_vcpu *vcpu)
-{
-	vmcs_write32(VM_ENTRY_INTR_INFO_FIELD,
-		     UD_VECTOR |
-		     INTR_TYPE_EXCEPTION |
-		     INTR_INFO_VALID_MASK);
-}
-
 /*
  * Swap MSR entry in host/guest MSR entry array.
  */
@@ -1866,8 +1858,7 @@ static int handle_exception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 	if (is_invalid_opcode(intr_info)) {
 		er = emulate_instruction(vcpu, kvm_run, 0, 0, 0);
 		if (er != EMULATE_DONE)
-			vmx_inject_ud(vcpu);
-
+			kvm_queue_exception(vcpu, UD_VECTOR);
 		return 1;
 	}