drivers: Remove explicit invocations of mmiowb()

[linux.git] / drivers / net / ethernet / intel / igb / igb_main.c

diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 69b230c53fed537464ba79b0be3ede75ab13f1da..09ba94496742394b3388db04208dd2b8051c22e8 100644 (file)
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -6028,11 +6028,6 @@ static int igb_tx_map(struct igb_ring *tx_ring,
 
        if (netif_xmit_stopped(txring_txq(tx_ring)) || !skb->xmit_more) {
                writel(i, tx_ring->tail);
-
-               /* we need this if more than one processor can write to our tail
-                * at a time, it synchronizes IO on IA64/Altix systems
-                */
-               mmiowb();
        }
        return 0;