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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2012-05-09 16:27:39 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2012-05-16 14:42:41 +0200 |
| commit | 473e66baad1e83e6c5dfdca65aba03bf21727202 (patch) | |
| tree | aab0bd4a295b41d1e29952b2b1260ad72150496b /arch/s390/kernel/early.c | |
| parent | 2739b6d12407792f253b7a15233930338e6831c9 (diff) | |
| download | linux-473e66baad1e83e6c5dfdca65aba03bf21727202.tar.bz2 | |
s390/time: always use stckf instead of stck if available
The store clock fast instruction saves a couple of instructions compared
to the store clock instruction. Always use stckf instead of stck if it
is available.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/early.c')
| -rw-r--r-- | arch/s390/kernel/early.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index 9475e682727f..d84181f1f5e8 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -374,8 +374,6 @@ static __init void detect_machine_facilities(void) S390_lowcore.machine_flags |= MACHINE_FLAG_MVCOS; if (test_facility(40)) S390_lowcore.machine_flags |= MACHINE_FLAG_SPP; - if (test_facility(25)) - S390_lowcore.machine_flags |= MACHINE_FLAG_STCKF; #endif } |