diff options
| author | David S. Miller <davem@davemloft.net> | 2015-11-01 00:15:30 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-11-01 00:15:30 -0400 |
| commit | b75ec3af27bf011a760e2f44eb25a99b6fbb0fb3 (patch) | |
| tree | 89f4fbab2c6194b32a46eb771c4b158585bf0bb5 /drivers/net/ethernet/amd | |
| parent | e7b63ff115f21ea6c609cbb08f3d489af627af6e (diff) | |
| parent | 523e13455ec9ec4457a5a1d24ff7132949742b70 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/net/ethernet/amd')
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-dev.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-drv.c | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c index 112f1bc8bcee..970781a9e677 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c @@ -1595,7 +1595,7 @@ static void xgbe_dev_xmit(struct xgbe_channel *channel) packet->rdesc_count, 1); /* Make sure ownership is written to the descriptor */ - wmb(); + smp_wmb(); ring->cur = cur_index + 1; if (!packet->skb->xmit_more || diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c index cff8940e1694..53ce1222b11d 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c @@ -1820,6 +1820,10 @@ static int xgbe_tx_poll(struct xgbe_channel *channel) return 0; cur = ring->cur; + + /* Be sure we get ring->cur before accessing descriptor data */ + smp_rmb(); + txq = netdev_get_tx_queue(netdev, channel->queue_index); while ((processed < XGBE_TX_DESC_MAX_PROC) && |