From: Stanislaw Gruszka <sgruszka@redhat.com>
Date: Tue, 9 Mar 2010 06:55:00 +0000 (+0000)
Subject: bnx2x: use smp_mb() to keep ordering of read write operations
X-Git-Tag: v2.6.34-rc2~28^2~35
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d99cf16f42b1979a2c498bb6d09498dbd689978;p=pandora-kernel.git

bnx2x: use smp_mb() to keep ordering of read write operations

Since we want to keep ordering of write to fp->bd_tx_cons and
netif_tx_queue_stopped(txq), what is read of txq->state, we have to use
general memory barrier.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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