From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Thu, 7 Feb 2008 08:16:13 +0000 (-0800)
Subject: Add cmpxchg_local to blackfin, replace __cmpxchg by generic cmpxchg
X-Git-Tag: v2.6.25-rc1~345
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=10b8827068377a11ed0e396248f7d02751fe5f17;p=pandora-kernel.git

Add cmpxchg_local to blackfin, replace __cmpxchg by generic cmpxchg

Use the new generic cmpxchg_local (disables interrupt). Also use the generic
cmpxchg as fallback if SMP is not set since nobody seems to know why __cmpxchg
has been implemented in assembly in the first place thather than in plain C.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Bryan Wu <bryan.wu@analog.com>
Cc: Michael Frysinger <michael.frysinger@analog.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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