Commit 2e30db95 authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky

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: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 1896d256
...@@ -93,6 +93,7 @@ config S390 ...@@ -93,6 +93,7 @@ config S390
select ARCH_SAVE_PAGE_KEYS if HIBERNATION select ARCH_SAVE_PAGE_KEYS if HIBERNATION
select HAVE_MEMBLOCK select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP select HAVE_MEMBLOCK_NODE_MAP
select HAVE_CMPXCHG_LOCAL
select ARCH_DISCARD_MEMBLOCK select ARCH_DISCARD_MEMBLOCK
select ARCH_INLINE_SPIN_TRYLOCK select ARCH_INLINE_SPIN_TRYLOCK
select ARCH_INLINE_SPIN_TRYLOCK_BH select ARCH_INLINE_SPIN_TRYLOCK_BH
......
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