From: Oliver Neukum <oneukum@suse.de>
Date: Mon, 2 Apr 2007 12:47:59 +0000 (+0200)
Subject: kref: fix CPU ordering with respect to krefs
X-Git-Tag: v2.6.22-rc1~1119^2~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1b0b3b9980e;p=pandora-kernel.git

kref: fix CPU ordering with respect to krefs

some atomic operations are only atomic, not ordered. Thus a CPU is allowed
to reorder memory references to an object to before the reference is
obtained. This fixes it.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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