From: Divy Le Ray <divy@chelsio.com>
Date: Mon, 1 Feb 2010 10:29:29 +0000 (+0000)
Subject: cxgb3: add memory barriers
X-Git-Tag: v2.6.34-rc1~233^2~457
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2e02644abc4b3574533b027782820b5a6dfe1920;p=pandora-kernel.git

cxgb3: add memory barriers

Add memory barriers to fix crashes observed on newest PowerPC platforms.
The HW and driver state of the receive rings were getting out of sync.

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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