drivers: Remove explicit invocations of mmiowb()

[linux.git] / drivers / net / ethernet / intel / iavf / iavf_txrx.c

diff --git a/drivers/net/ethernet/intel/iavf/iavf_txrx.c b/drivers/net/ethernet/intel/iavf/iavf_txrx.c
index 9b4d7cec2e18af2c5c092096dfc7cfa513829636..6bfef82e7607b4a49e30b6da997aa656b88ec9e9 100644 (file)
--- a/drivers/net/ethernet/intel/iavf/iavf_txrx.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_txrx.c
@@ -2360,11 +2360,6 @@ static inline void iavf_tx_map(struct iavf_ring *tx_ring, struct sk_buff *skb,
        /* notify HW of packet */
        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;