kvm_s390_pv_convert_to_secure
kvm_s390_pv_convert_to_secure(vcpu->kvm, kvm_s390_get_prefix(vcpu));
kvm_s390_pv_convert_to_secure(vcpu->kvm, kvm_s390_get_prefix(vcpu) + PAGE_SIZE);
rc = kvm_s390_pv_convert_to_secure(vcpu->kvm, gaddr);
int kvm_s390_pv_convert_to_secure(struct kvm *kvm, unsigned long gaddr);