From: Tom Rini <trini@kernel.crashing.org>
Date: Wed, 27 Sep 2006 02:28:20 +0000 (+0900)
Subject: sh: Add a simple cmpxchg().
X-Git-Tag: v2.6.19-rc1~902^2~106
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e4e3b5ccd77226c9c4dbb0737106b868dfc182d9;p=pandora-kernel.git

sh: Add a simple cmpxchg().

We didn't have one of these before, a simple implementation
borrowed from MIPS as well as the __HAVE_ARCH_CMPXCHG bits.

Signed-off-by: Tom Rini <trini@kernel.crashing.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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