diff options
| author | Heiko Carstens <hca@linux.ibm.com> | 2025-02-07 15:48:55 +0100 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2025-03-04 17:18:05 +0100 |
| commit | 949b73c9902613bddb789d9375981afbffe596fc (patch) | |
| tree | e96f5d7cf029f97be82bbc5683f59e5be4a768b7 /arch/s390/mm/pgtable.c | |
| parent | 3f5eede6dfdd2cf9f4c0156ccee20bd0e5d927aa (diff) | |
s390/cpufeature: Convert MACHINE_HAS_IDTE to cpu_has_idte()
Convert MACHINE_HAS_... to cpu_has_...() which uses test_facility() instead
of testing the machine_flags lowcore member if the feature is present.
test_facility() generates better code since it results in a static branch
without accessing memory. The branch is patched via alternatives by the
decompressor depending on the availability of the required facility.
Reviewed-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/mm/pgtable.c')
| -rw-r--r-- | arch/s390/mm/pgtable.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index 03cbe8ce05ca..ee3c4fec5055 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -392,7 +392,7 @@ static inline void pmdp_idte_global(struct mm_struct *mm, mm->context.asce, IDTE_GLOBAL); if (mm_has_pgste(mm) && mm->context.allow_gmap_hpage_1m) gmap_pmdp_idte_global(mm, addr); - } else if (MACHINE_HAS_IDTE) { + } else if (cpu_has_idte()) { __pmdp_idte(addr, pmdp, 0, 0, IDTE_GLOBAL); if (mm_has_pgste(mm) && mm->context.allow_gmap_hpage_1m) gmap_pmdp_idte_global(mm, addr); @@ -519,7 +519,7 @@ static inline void pudp_idte_global(struct mm_struct *mm, if (MACHINE_HAS_TLB_GUEST) __pudp_idte(addr, pudp, IDTE_NODAT | IDTE_GUEST_ASCE, mm->context.asce, IDTE_GLOBAL); - else if (MACHINE_HAS_IDTE) + else if (cpu_has_idte()) __pudp_idte(addr, pudp, 0, 0, IDTE_GLOBAL); else /* |