diff --git a/[refs] b/[refs]
index ac542dc103b2..a47555a30195 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: bea1e22df494a729978e7f2c54f7bda328f74bc3
+refs/heads/master: 46db567debb2abe7c0c03a1bd97891cbc1a2470b
diff --git a/trunk/drivers/infiniband/hw/mlx4/qp.c b/trunk/drivers/infiniband/hw/mlx4/qp.c
index f585eddef4b7..56e66a4c335c 100644
--- a/trunk/drivers/infiniband/hw/mlx4/qp.c
+++ b/trunk/drivers/infiniband/hw/mlx4/qp.c
@@ -2225,6 +2225,10 @@ int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr
 	if (qp->flags & MLX4_IB_QP_LSO)
 		qp_init_attr->create_flags |= IB_QP_CREATE_IPOIB_UD_LSO;
 
+	qp_init_attr->sq_sig_type =
+		qp->sq_signal_bits == cpu_to_be32(MLX4_WQE_CTRL_CQ_UPDATE) ?
+		IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR;
+
 out:
 	mutex_unlock(&qp->mutex);
 	return err;
diff --git a/trunk/drivers/infiniband/ulp/ipoib/ipoib_main.c b/trunk/drivers/infiniband/ulp/ipoib/ipoib_main.c
index ea0dfc77a7f4..1e19b5ae7c47 100644
--- a/trunk/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/trunk/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -150,7 +150,7 @@ static int ipoib_stop(struct net_device *dev)
 
 	netif_stop_queue(dev);
 
-	ipoib_ib_dev_down(dev, 1);
+	ipoib_ib_dev_down(dev, 0);
 	ipoib_ib_dev_stop(dev, 0);
 
 	if (!test_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags)) {
diff --git a/trunk/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/trunk/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index cecb98a4c662..75367249f447 100644
--- a/trunk/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/trunk/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -175,9 +175,7 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
 
 	mcast->mcmember = *mcmember;
 
-	/* Set the multicast MTU and cached Q_Key before we attach if it's
-	 * the broadcast group.
-	 */
+	/* Set the cached Q_Key before we attach if it's the broadcast group */
 	if (!memcmp(mcast->mcmember.mgid.raw, priv->dev->broadcast + 4,
 		    sizeof (union ib_gid))) {
 		spin_lock_irq(&priv->lock);
@@ -185,17 +183,10 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
 			spin_unlock_irq(&priv->lock);
 			return -EAGAIN;
 		}
-		priv->mcast_mtu = IPOIB_UD_MTU(ib_mtu_enum_to_int(priv->broadcast->mcmember.mtu));
 		priv->qkey = be32_to_cpu(priv->broadcast->mcmember.qkey);
 		spin_unlock_irq(&priv->lock);
 		priv->tx_wr.wr.ud.remote_qkey = priv->qkey;
 		set_qkey = 1;
-
-		if (!ipoib_cm_admin_enabled(dev)) {
-			rtnl_lock();
-			dev_set_mtu(dev, min(priv->mcast_mtu, priv->admin_mtu));
-			rtnl_unlock();
-		}
 	}
 
 	if (!test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags)) {
@@ -583,6 +574,14 @@ void ipoib_mcast_join_task(struct work_struct *work)
 		return;
 	}
 
+	priv->mcast_mtu = IPOIB_UD_MTU(ib_mtu_enum_to_int(priv->broadcast->mcmember.mtu));
+
+	if (!ipoib_cm_admin_enabled(dev)) {
+		rtnl_lock();
+		dev_set_mtu(dev, min(priv->mcast_mtu, priv->admin_mtu));
+		rtnl_unlock();
+	}
+
 	ipoib_dbg_mcast(priv, "successfully joined all multicast groups\n");
 
 	clear_bit(IPOIB_MCAST_RUN, &priv->flags);