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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2012-05-29 09:21:27 (GMT) |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2012-05-30 07:07:59 (GMT) |
| commit | 2e30db9522837e2a5d30ce1e66afb0a7ee0ff350 (patch) | |
| tree | 5dfc7bf32ec5406a64dae36d8ba0c76820ac0df6 | |
| parent | 1896d256d3513eafa2c2d506299b8f3951319ca2 (diff) | |
| download | linux-fsl-qoriq-2e30db9522837e2a5d30ce1e66afb0a7ee0ff350.tar.xz | |
s390/cmpxchg: select HAVE_CMPXCHG_LOCAL option
Now that hopefully all cmpxchg/xchg bugs have been fixed select
HAVE_CMPXCHG_LOCAL option which uncovered a couple of bugs on s390.
The only call site which is affected seems to be within mm/vmstat.c.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| -rw-r--r-- | arch/s390/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index e16390c..57c86da 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -93,6 +93,7 @@ config S390 select ARCH_SAVE_PAGE_KEYS if HIBERNATION select HAVE_MEMBLOCK select HAVE_MEMBLOCK_NODE_MAP + select HAVE_CMPXCHG_LOCAL select ARCH_DISCARD_MEMBLOCK select ARCH_INLINE_SPIN_TRYLOCK select ARCH_INLINE_SPIN_TRYLOCK_BH |