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s390/barrier: cleanup barrier functions
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Mon, 14 May 2012 10:40:43 +0000 (12:40 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 16 May 2012 12:42:45 +0000 (14:42 +0200)
s390 really has no eieio instruction, so get rid of the implied ppc
semantics and in addition change mb() into a function.
Also remove SYNC_OTHER_CORES() since it is unused.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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