kvm_s390_pv_deinit_vm
kvm_s390_pv_deinit_vm(kvm, &dummy, &dummy);
int kvm_s390_pv_deinit_vm(struct kvm *kvm, u16 *rc, u16 *rrc);
cc = kvm_s390_pv_deinit_vm(kvm, rc, rrc);