pnv_ioda_reserve_pe
pnv_ioda_reserve_pe(phb, phb->ioda.reserved_pe_idx);
pnv_ioda_reserve_pe(phb, phb->ioda.root_pe_idx);
pnv_ioda_reserve_pe(phb, phb->ioda.root_pe_idx);
pnv_ioda_reserve_pe(phb, segno);