find_kvm_nested_guest_pte
extern pte_t *find_kvm_nested_guest_pte(struct kvm *kvm, unsigned long lpid,
ptep = find_kvm_nested_guest_pte(kvm, lpid, gpa, &shift);
ptep = find_kvm_nested_guest_pte(kvm, lpid, gpa, &shift);
ptep = find_kvm_nested_guest_pte(kvm, gp->l1_lpid, gpa, &shift);
ptep = find_kvm_nested_guest_pte(kvm, lpid, gpa, &shift);