for_each_tdp_pte
for_each_tdp_pte(iter, kvm, root, fault->gfn, fault->gfn + 1) {
for_each_tdp_pte(iter, vcpu->kvm, root, gfn, gfn + 1) {
for_each_tdp_pte(iter, vcpu->kvm, root, gfn, gfn + 1) {
for_each_tdp_pte(_iter, _kvm, _root, _start, _end)