__pkvm_host_mkyoung_guest
int __pkvm_host_mkyoung_guest(u64 gfn, struct pkvm_hyp_vcpu *vcpu);
ret = __pkvm_host_mkyoung_guest(gfn, hyp_vcpu);
HANDLE_FUNC(__pkvm_host_mkyoung_guest),
WARN_ON(kvm_call_hyp_nvhe(__pkvm_host_mkyoung_guest, addr >> PAGE_SHIFT));