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 				old = set_pte_bit(old, __pgprot(_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()
334 	pte_t old;  in ptep_xchg_lazy()  local
340 	old = ptep_flush_lazy(mm, addr, ptep, nodat);  in ptep_xchg_lazy()
341 	old = ptep_xchg_commit(mm, addr, ptep, pgste, old, new);  in ptep_xchg_lazy()
343 	return old;  in ptep_xchg_lazy()
351 	pte_t old;  in ptep_modify_prot_start()  local
358 	old = ptep_flush_lazy(mm, addr, ptep, nodat);  in ptep_modify_prot_start()
360 		pgste = pgste_update_all(old, pgste, mm);  in ptep_modify_prot_start()
363 	return old;  in ptep_modify_prot_start()
419 	pmd_t old;  in pmdp_flush_direct()  local
421 	old = *pmdp;  in pmdp_flush_direct()
422 	if (pmd_val(old) & _SEGMENT_ENTRY_INVALID)  in pmdp_flush_direct()
423 		return old;  in pmdp_flush_direct()
431 	return old;  in pmdp_flush_direct()
437 	pmd_t old;  in pmdp_flush_lazy()  local
439 	old = *pmdp;  in pmdp_flush_lazy()
440 	if (pmd_val(old) & _SEGMENT_ENTRY_INVALID)  in pmdp_flush_lazy()
441 		return old;  in pmdp_flush_lazy()
453 	return old;  in pmdp_flush_lazy()
493 	pmd_t old;  in pmdp_xchg_direct()  local
496 	old = pmdp_flush_direct(mm, addr, pmdp);  in pmdp_xchg_direct()
499 	return old;  in pmdp_xchg_direct()
506 	pmd_t old;  in pmdp_xchg_lazy()  local
509 	old = pmdp_flush_lazy(mm, addr, pmdp);  in pmdp_xchg_lazy()
512 	return old;  in pmdp_xchg_lazy()
545 	pud_t old;  in pudp_flush_direct()  local
547 	old = *pudp;  in pudp_flush_direct()
548 	if (pud_val(old) & _REGION_ENTRY_INVALID)  in pudp_flush_direct()
549 		return old;  in pudp_flush_direct()
557 	return old;  in pudp_flush_direct()
563 	pud_t old;  in pudp_xchg_direct()  local
566 	old = pudp_flush_direct(mm, addr, pudp);  in pudp_xchg_direct()
569 	return old;  in pudp_xchg_direct()
816 	pgste_t old, new;  in set_guest_storage_key()  local
855 	new = old = pgste_get_lock(ptep);  in set_guest_storage_key()
874 	if ((pgste_val(new) ^ pgste_val(old)) &  in set_guest_storage_key()
926 	pgste_t old, new;  in reset_guest_reference_bit()  local
962 	new = old = pgste_get_lock(ptep);  in reset_guest_reference_bit()
973 	cc |= (pgste_val(old) & (PGSTE_GR_BIT | PGSTE_GC_BIT)) >> 49;  in reset_guest_reference_bit()
975 	if ((pgste_val(new) ^ pgste_val(old)) & PGSTE_GR_BIT)  in reset_guest_reference_bit()
1045  * @oldpgste: the old PGSTE will be saved there if the pointer is not NULL.