From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Mon, 5 Feb 2007 20:17:20 +0000 (+0100)
Subject: [S390] Small barrier() and cpu_relax() cleanup.
X-Git-Tag: v2.6.21-rc1~92^2~41^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c48e09131bd7c632c80a3245688d2d29dbc4f6b5;p=pandora-kernel.git

[S390] Small barrier() and cpu_relax() cleanup.

cpu_relax() has barrier() semantics hence there is no need to use both
of them in conjunction in sclp_sync_wait(). Also change cpu_relax()
so it's more obvious that it has barrier semantics.

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