s390/barrier: convert mb() to define again
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Wed, 30 Jan 2013 12:56:14 +0000 (13:56 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 14 Feb 2013 14:55:11 +0000 (15:55 +0100)
commite06ef372839c0c33f5f91f892ae632cef38cd259
tree6389af031509ec16bdd1588c099cddb3afbddf8f
parent1aae0560d160ee6ebef927a35e4f405306a079df
s390/barrier: convert mb() to define again

Some of the now available common code drivers only compile if mb() is a define.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/include/asm/barrier.h