From: Guo-Fu Tseng <cooldavid@cooldavid.org>
Date: Mon, 18 Oct 2010 14:10:42 +0000 (+0000)
Subject: jme: Prevent possible read re-order error
X-Git-Tag: v2.6.37-rc1~147^2~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ea192aa89c3b26d56113e70c72238f6951d4097f;p=pandora-kernel.git

jme: Prevent possible read re-order error

Adding read memory barrier in between flag reading and data reading of
receive descriptors. This prevents the data being read before hardware
complete writing informations.

Reported-by: Stefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: Guo-Fu Tseng <cooldavid@cooldavid.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

Reading git-diff-tree failed