diff options
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) && |