KVM: SVM: Clear exit_info for injected INTR exits

When injecting an vmexit.intr into the nested hypervisor
there might be leftover values in the exit_info fields.
Clear them to not confuse nested hypervisors.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

arch/x86/kvm/svm.c

@@ -1492,6 +1492,8 @@ static inline bool nested_svm_intr(struct vcpu_svm *svm)
 		return false;
 
 	svm->vmcb->control.exit_code   = SVM_EXIT_INTR;
+	svm->vmcb->control.exit_info_1 = 0;
+	svm->vmcb->control.exit_info_2 = 0;
 
 	if (svm->nested.intercept & 1ULL) {
 		/*