From: Robin Holt <holt@sgi.com>
Date: Thu, 29 Jan 2009 22:25:06 +0000 (-0800)
Subject: sgi-xpc: ensure flags are updated before bte_copy
X-Git-Tag: v2.6.27.14~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b706840821ea31290cdb235534578aed02e83330;p=pandora-kernel.git

sgi-xpc: ensure flags are updated before bte_copy

commit 69b3bb65fa97a1e8563518dbbc35cd57beefb2d4 upstream.

The clearing of the msg->flags needs a barrier between it and the notify
of the channel threads that the messages are cleaned and ready for use.

Signed-off-by: Robin Holt <holt@sgi.com>
Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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