91 	pte_t old;  in ptep_flush_direct()  local
93 	old = *ptep;  in ptep_flush_direct()
94 	if (unlikely(pte_val(old) & _PAGE_INVALID))  in ptep_flush_direct()
95 		return old;  in ptep_flush_direct()
103 	return old;  in ptep_flush_direct()
110 	pte_t old;  in ptep_flush_lazy()  local
112 	old = *ptep;  in ptep_flush_lazy()
113 	if (unlikely(pte_val(old) & _PAGE_INVALID))  in ptep_flush_lazy()
114 		return old;  in ptep_flush_lazy()
123 	return old;  in ptep_flush_lazy()
130 	unsigned long old;  in pgste_get_lock()  local
135 		"	nihh	%0,0xff7f\n"	/* clear PCL bit in old */  in pgste_get_lock()
139 		: "=&d" (old), "=&d" (new), "=Q" (ptep[PTRS_PER_PTE])  in pgste_get_lock()
269 				    pgste_t pgste, pte_t old, pte_t new)  in ptep_xchg_commit()  argument
272 		if (pte_val(old) & _PAGE_INVALID)  in ptep_xchg_commit()
275 			pgste = pgste_update_all(old, pgste, mm);  in ptep_xchg_commit()
278 				pte_val(old) |= _PAGE_UNUSED;  in ptep_xchg_commit()
285 	return old;  in ptep_xchg_commit()
292 	pte_t old;  in ptep_xchg_direct()  local
298 	old = ptep_flush_direct(mm, addr, ptep, nodat);  in ptep_xchg_direct()
299 	old = ptep_xchg_commit(mm, addr, ptep, pgste, old, new);  in ptep_xchg_direct()
301 	return old;  in ptep_xchg_direct()
309 	pte_t old;  in ptep_xchg_lazy()  local
315 	old = ptep_flush_lazy(mm, addr, ptep, nodat);  in ptep_xchg_lazy()
316 	old = ptep_xchg_commit(mm, addr, ptep, pgste, old, new);  in ptep_xchg_lazy()
318 	return old;  in ptep_xchg_lazy()
326 	pte_t old;  in ptep_modify_prot_start()  local
333 	old = ptep_flush_lazy(mm, addr, ptep, nodat);  in ptep_modify_prot_start()
335 		pgste = pgste_update_all(old, pgste, mm);  in ptep_modify_prot_start()
338 	return old;  in ptep_modify_prot_start()
394 	pmd_t old;  in pmdp_flush_direct()  local
396 	old = *pmdp;  in pmdp_flush_direct()
397 	if (pmd_val(old) & _SEGMENT_ENTRY_INVALID)  in pmdp_flush_direct()
398 		return old;  in pmdp_flush_direct()
406 	return old;  in pmdp_flush_direct()
412 	pmd_t old;  in pmdp_flush_lazy()  local
414 	old = *pmdp;  in pmdp_flush_lazy()
415 	if (pmd_val(old) & _SEGMENT_ENTRY_INVALID)  in pmdp_flush_lazy()
416 		return old;  in pmdp_flush_lazy()
428 	return old;  in pmdp_flush_lazy()
454 	pmd_t old;  in pmdp_xchg_direct()  local
457 	old = pmdp_flush_direct(mm, addr, pmdp);  in pmdp_xchg_direct()
460 	return old;  in pmdp_xchg_direct()
467 	pmd_t old;  in pmdp_xchg_lazy()  local
470 	old = pmdp_flush_lazy(mm, addr, pmdp);  in pmdp_xchg_lazy()
473 	return old;  in pmdp_xchg_lazy()
506 	pud_t old;  in pudp_flush_direct()  local
508 	old = *pudp;  in pudp_flush_direct()
509 	if (pud_val(old) & _REGION_ENTRY_INVALID)  in pudp_flush_direct()
510 		return old;  in pudp_flush_direct()
518 	return old;  in pudp_flush_direct()
524 	pud_t old;  in pudp_xchg_direct()  local
527 	old = pudp_flush_direct(mm, addr, pudp);  in pudp_xchg_direct()
530 	return old;  in pudp_xchg_direct()
777 	pgste_t old, new;  in set_guest_storage_key()  local
808 	new = old = pgste_get_lock(ptep);  in set_guest_storage_key()
827 	if ((pgste_val(new) ^ pgste_val(old)) &  in set_guest_storage_key()
879 	pgste_t old, new;  in reset_guest_reference_bit()  local
907 	new = old = pgste_get_lock(ptep);  in reset_guest_reference_bit()
918 	cc |= (pgste_val(old) & (PGSTE_GR_BIT | PGSTE_GC_BIT)) >> 49;  in reset_guest_reference_bit()
920 	if ((pgste_val(new) ^ pgste_val(old)) & PGSTE_GR_BIT)  in reset_guest_reference_bit()
982  * @oldpgste: the old PGSTE will be saved there if the pointer is not NULL.