kvm_s390_pv_destroy_cpu
if (kvm_s390_pv_destroy_cpu(vcpu, &_rc, &_rrc) && !ret) {
kvm_s390_pv_destroy_cpu(vcpu, &rc, &rrc);
int kvm_s390_pv_destroy_cpu(struct kvm_vcpu *vcpu, u16 *rc, u16 *rrc);
kvm_s390_pv_destroy_cpu(vcpu, &dummy, &dummy);