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authorHeiko Carstens <heiko.carstens@de.ibm.com>2012-05-29 11:21:27 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2012-05-30 09:07:59 +0200
commit2e30db9522837e2a5d30ce1e66afb0a7ee0ff350 (patch)
tree5dfc7bf32ec5406a64dae36d8ba0c76820ac0df6
parent1896d256d3513eafa2c2d506299b8f3951319ca2 (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>
-rw-r--r--arch/s390/Kconfig1
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
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