tg3: Restore likely() check in tg3_poll_msix()

When creating the new tg3_poll_msix() function, the likely() compiler
hint was dropped.  This patch reintroduces it.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index aff11f8..4c71f3e 100644 (file)
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -4987,8 +4987,8 @@ static int tg3_poll_msix(struct napi_struct *napi, int budget)
                rmb();
 
                /* check for RX/TX work to do */
-               if (sblk->idx[0].tx_consumer == tnapi->tx_cons &&
-                   *(tnapi->rx_rcb_prod_idx) == tnapi->rx_rcb_ptr) {
+               if (likely(sblk->idx[0].tx_consumer == tnapi->tx_cons &&
+                          *(tnapi->rx_rcb_prod_idx) == tnapi->rx_rcb_ptr)) {
                        napi_complete(napi);
                        /* Reenable interrupts. */
                        tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);