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| author | Stanislaw Gruszka <sgruszka@redhat.com> | 2010-03-09 06:55:00 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-03-15 15:47:00 -0700 |
| commit | 2d99cf16f42b1979a2c498bb6d09498dbd689978 (patch) | |
| tree | a67758700d34a0559f69783a54041a4e94405f03 /drivers/net/bnx2x_main.c | |
| parent | d4a2ac3e802d9f598453a7854d0fdf67371ac2dd (diff) | |
| download | op-kernel-dev-2d99cf16f42b1979a2c498bb6d09498dbd689978.zip op-kernel-dev-2d99cf16f42b1979a2c498bb6d09498dbd689978.tar.gz | |
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>
Diffstat (limited to 'drivers/net/bnx2x_main.c')
| -rw-r--r-- | drivers/net/bnx2x_main.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c index ed785a3..9fc0f6a 100644 --- a/drivers/net/bnx2x_main.c +++ b/drivers/net/bnx2x_main.c @@ -963,7 +963,7 @@ static int bnx2x_tx_int(struct bnx2x_fastpath *fp) * start_xmit() will miss it and cause the queue to be stopped * forever. */ - smp_wmb(); + smp_mb(); /* TBD need a thresh? */ if (unlikely(netif_tx_queue_stopped(txq))) { |
