From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Thu, 17 Feb 2011 12:13:56 +0000 (+0100)
Subject: [S390] atomic: use ACCESS_ONCE() for atomic_read()
X-Git-Tag: v2.6.38-rc6~14^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=03e3b5a0f18c53560de1984fbbfca146d31da2a5;p=pandora-kernel.git

[S390] atomic: use ACCESS_ONCE() for atomic_read()

Let's make atomic_read() and atomic_set() behave like on all/most other
architectures. Generated code is identical with gcc 4.5.2.

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