s390/cmpxchg: select HAVE_CMPXCHG_LOCAL option
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Tue, 29 May 2012 09:21:27 +0000 (11:21 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 30 May 2012 07:07:59 +0000 (09:07 +0200)
commit2e30db9522837e2a5d30ce1e66afb0a7ee0ff350
tree5dfc7bf32ec5406a64dae36d8ba0c76820ac0df6
parent1896d256d3513eafa2c2d506299b8f3951319ca2
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>
arch/s390/Kconfig