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author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2012-05-29 05:21:27 -0400 |
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committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2012-05-30 03:07:59 -0400 |
commit | 2e30db9522837e2a5d30ce1e66afb0a7ee0ff350 (patch) | |
tree | 5dfc7bf32ec5406a64dae36d8ba0c76820ac0df6 /arch/s390/Kconfig | |
parent | 1896d256d3513eafa2c2d506299b8f3951319ca2 (diff) |
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>
Diffstat (limited to 'arch/s390/Kconfig')
-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 e16390c0bca8..57c86da61c19 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig | |||
@@ -93,6 +93,7 @@ config S390 | |||
93 | select ARCH_SAVE_PAGE_KEYS if HIBERNATION | 93 | select ARCH_SAVE_PAGE_KEYS if HIBERNATION |
94 | select HAVE_MEMBLOCK | 94 | select HAVE_MEMBLOCK |
95 | select HAVE_MEMBLOCK_NODE_MAP | 95 | select HAVE_MEMBLOCK_NODE_MAP |
96 | select HAVE_CMPXCHG_LOCAL | ||
96 | select ARCH_DISCARD_MEMBLOCK | 97 | select ARCH_DISCARD_MEMBLOCK |
97 | select ARCH_INLINE_SPIN_TRYLOCK | 98 | select ARCH_INLINE_SPIN_TRYLOCK |
98 | select ARCH_INLINE_SPIN_TRYLOCK_BH | 99 | select ARCH_INLINE_SPIN_TRYLOCK_BH |