From: Anton Blanchard <anton@samba.org>
Date: Tue, 7 Sep 2010 01:21:41 +0000 (-0700)
Subject: ibmveth: Use lighter weight read memory barrier in ibmveth_poll
X-Git-Tag: v2.6.37-rc1~147^2~560
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f89e49e79f839dbe79364ec6cd7e2274ad11b120;p=pandora-kernel.git

ibmveth: Use lighter weight read memory barrier in ibmveth_poll

We want to order the read in ibmveth_rxq_pending_buffer and the read of
ibmveth_rxq_buffer_valid which are both cacheable memory. smp_rmb() is good
enough for this.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Santiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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