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

arch/s390/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -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