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authorHeiko Carstens <heiko.carstens@de.ibm.com>2011-03-23 10:16:06 +0100
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2011-03-23 10:16:00 +0100
commit54eaae3028e6b09de0bd2232a8176fc0d0a2397a (patch)
tree5a557243c1684ad5047614a5b2c19a43dd98b561 /arch/s390/kernel
parenta2c9dbe8dbb8591ae6fd142e562813cd95d06609 (diff)
[S390] cmpxchg: implement cmpxchg64()
We have a cmpxchg64_local() implementation but strange enough the SMP capable variant cmpxchg64() is missing. So implement it. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel')
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