[XFS] Fix merge failures

Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:

	fs/xfs/linux-2.6/xfs_cred.h
	fs/xfs/linux-2.6/xfs_globals.h
	fs/xfs/linux-2.6/xfs_ioctl.c
	fs/xfs/xfs_vnodeops.h

Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>

13 files changed, 204 insertions, 159 deletions

diff --git a/drivers/net/mlx4/cq.c b/drivers/net/mlx4/cq.c
index b7ad282..ac57b6a 100644
--- a/drivers/net/mlx4/cq.c
+++ b/drivers/net/mlx4/cq.c
@@ -189,7 +189,7 @@ EXPORT_SYMBOL_GPL(mlx4_cq_resize);
 
 int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
 		  struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq,
-		  int collapsed)
+		  unsigned vector, int collapsed)
 {
 	struct mlx4_priv *priv = mlx4_priv(dev);
 	struct mlx4_cq_table *cq_table = &priv->cq_table;
@@ -198,6 +198,11 @@ int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
 	u64 mtt_addr;
 	int err;
 
+	if (vector >= dev->caps.num_comp_vectors)
+		return -EINVAL;
+
+	cq->vector = vector;
+
 	cq->cqn = mlx4_bitmap_alloc(&cq_table->bitmap);
 	if (cq->cqn == -1)
 		return -ENOMEM;
@@ -227,7 +232,7 @@ int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
 
 	cq_context->flags	    = cpu_to_be32(!!collapsed << 18);
 	cq_context->logsize_usrpage = cpu_to_be32((ilog2(nent) << 24) | uar->index);
-	cq_context->comp_eqn        = priv->eq_table.eq[MLX4_EQ_COMP].eqn;
+	cq_context->comp_eqn	    = priv->eq_table.eq[vector].eqn;
 	cq_context->log_page_size   = mtt->page_shift - MLX4_ICM_PAGE_SHIFT;
 
 	mtt_addr = mlx4_mtt_addr(dev, mtt);
@@ -276,7 +281,7 @@ void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq)
 	if (err)
 		mlx4_warn(dev, "HW2SW_CQ failed (%d) for CQN %06x\n", err, cq->cqn);
 
-	synchronize_irq(priv->eq_table.eq[MLX4_EQ_COMP].irq);
+	synchronize_irq(priv->eq_table.eq[cq->vector].irq);
 
 	spin_lock_irq(&cq_table->lock);
 	radix_tree_delete(&cq_table->tree, cq->cqn);
diff --git a/drivers/net/mlx4/en_cq.c b/drivers/net/mlx4/en_cq.c
index 1368a80..91f50de 100644
--- a/drivers/net/mlx4/en_cq.c
+++ b/drivers/net/mlx4/en_cq.c
@@ -51,10 +51,13 @@ int mlx4_en_create_cq(struct mlx4_en_priv *priv,
 	int err;
 
 	cq->size = entries;
-	if (mode == RX)
+	if (mode == RX) {
 		cq->buf_size = cq->size * sizeof(struct mlx4_cqe);
-	else
+		cq->vector   = ring % mdev->dev->caps.num_comp_vectors;
+	} else {
 		cq->buf_size = sizeof(struct mlx4_cqe);
+		cq->vector   = 0;
+	}
 
 	cq->ring = ring;
 	cq->is_tx = mode;
@@ -68,6 +71,8 @@ int mlx4_en_create_cq(struct mlx4_en_priv *priv,
 	err = mlx4_en_map_buffer(&cq->wqres.buf);
 	if (err)
 		mlx4_free_hwq_res(mdev->dev, &cq->wqres, cq->buf_size);
+	else
+		cq->buf = (struct mlx4_cqe *) cq->wqres.buf.direct.buf;
 
 	return err;
 }
@@ -82,11 +87,10 @@ int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
 	cq->mcq.arm_db     = cq->wqres.db.db + 1;
 	*cq->mcq.set_ci_db = 0;
 	*cq->mcq.arm_db    = 0;
-	cq->buf = (struct mlx4_cqe *) cq->wqres.buf.direct.buf;
 	memset(cq->buf, 0, cq->buf_size);
 
 	err = mlx4_cq_alloc(mdev->dev, cq->size, &cq->wqres.mtt, &mdev->priv_uar,
-			    cq->wqres.db.dma, &cq->mcq, cq->is_tx);
+			    cq->wqres.db.dma, &cq->mcq, cq->vector, cq->is_tx);
 	if (err)
 		return err;
 
@@ -136,7 +140,6 @@ int mlx4_en_set_cq_moder(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
 
 int mlx4_en_arm_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
 {
-	cq->armed = 1;
 	mlx4_cq_arm(&cq->mcq, MLX4_CQ_DB_REQ_NOT, priv->mdev->uar_map,
 		    &priv->mdev->uar_lock);
 
diff --git a/drivers/net/mlx4/en_main.c b/drivers/net/mlx4/en_main.c
index 4b9794e..c1c05852 100644
--- a/drivers/net/mlx4/en_main.c
+++ b/drivers/net/mlx4/en_main.c
@@ -170,9 +170,9 @@ static void *mlx4_en_add(struct mlx4_dev *dev)
 		mlx4_info(mdev, "Using %d tx rings for port:%d\n",
 			  mdev->profile.prof[i].tx_ring_num, i);
 		if (!mdev->profile.prof[i].rx_ring_num) {
-			mdev->profile.prof[i].rx_ring_num = 1;
+			mdev->profile.prof[i].rx_ring_num = dev->caps.num_comp_vectors;
 			mlx4_info(mdev, "Defaulting to %d rx rings for port:%d\n",
-				  1, i);
+				  mdev->profile.prof[i].rx_ring_num, i);
 		} else
 			mlx4_info(mdev, "Using %d rx rings for port:%d\n",
 				  mdev->profile.prof[i].rx_ring_num, i);
diff --git a/drivers/net/mlx4/en_netdev.c b/drivers/net/mlx4/en_netdev.c
index 96e709d..ebada3c 100644
--- a/drivers/net/mlx4/en_netdev.c
+++ b/drivers/net/mlx4/en_netdev.c
@@ -369,7 +369,6 @@ static struct net_device_stats *mlx4_en_get_stats(struct net_device *dev)
 
 static void mlx4_en_set_default_moderation(struct mlx4_en_priv *priv)
 {
-	struct mlx4_en_dev *mdev = priv->mdev;
 	struct mlx4_en_cq *cq;
 	int i;
 
@@ -379,15 +378,8 @@ static void mlx4_en_set_default_moderation(struct mlx4_en_priv *priv)
 	 *   satisfy our coelsing target.
 	 * - moder_time is set to a fixed value.
 	 */
-	priv->rx_frames = (mdev->profile.rx_moder_cnt ==
-			   MLX4_EN_AUTO_CONF) ?
-				MLX4_EN_RX_COAL_TARGET /
-				priv->dev->mtu + 1 :
-				mdev->profile.rx_moder_cnt;
-	priv->rx_usecs = (mdev->profile.rx_moder_time ==
-			  MLX4_EN_AUTO_CONF) ?
-				MLX4_EN_RX_COAL_TIME :
-				mdev->profile.rx_moder_time;
+	priv->rx_frames = MLX4_EN_RX_COAL_TARGET / priv->dev->mtu + 1;
+	priv->rx_usecs = MLX4_EN_RX_COAL_TIME;
 	mlx4_dbg(INTR, priv, "Default coalesing params for mtu:%d - "
 			     "rx_frames:%d rx_usecs:%d\n",
 		 priv->dev->mtu, priv->rx_frames, priv->rx_usecs);
@@ -411,7 +403,7 @@ static void mlx4_en_set_default_moderation(struct mlx4_en_priv *priv)
 	priv->pkt_rate_high = MLX4_EN_RX_RATE_HIGH;
 	priv->rx_usecs_high = MLX4_EN_RX_COAL_TIME_HIGH;
 	priv->sample_interval = MLX4_EN_SAMPLE_INTERVAL;
-	priv->adaptive_rx_coal = mdev->profile.auto_moder;
+	priv->adaptive_rx_coal = 1;
 	priv->last_moder_time = MLX4_EN_AUTO_CONF;
 	priv->last_moder_jiffies = 0;
 	priv->last_moder_packets = 0;
@@ -953,6 +945,23 @@ static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu)
 	return 0;
 }
 
+static const struct net_device_ops mlx4_netdev_ops = {
+	.ndo_open		= mlx4_en_open,
+	.ndo_stop		= mlx4_en_close,
+	.ndo_start_xmit		= mlx4_en_xmit,
+	.ndo_get_stats		= mlx4_en_get_stats,
+	.ndo_set_multicast_list	= mlx4_en_set_multicast,
+	.ndo_set_mac_address	= mlx4_en_set_mac,
+	.ndo_change_mtu		= mlx4_en_change_mtu,
+	.ndo_tx_timeout		= mlx4_en_tx_timeout,
+	.ndo_vlan_rx_register	= mlx4_en_vlan_rx_register,
+	.ndo_vlan_rx_add_vid	= mlx4_en_vlan_rx_add_vid,
+	.ndo_vlan_rx_kill_vid	= mlx4_en_vlan_rx_kill_vid,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	.ndo_poll_controller	= mlx4_en_netpoll,
+#endif
+};
+
 int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
 			struct mlx4_en_port_profile *prof)
 {
@@ -1029,22 +1038,9 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
 	/*
 	 * Initialize netdev entry points
 	 */
-
-	dev->open = &mlx4_en_open;
-	dev->stop = &mlx4_en_close;
-	dev->hard_start_xmit = &mlx4_en_xmit;
-	dev->get_stats = &mlx4_en_get_stats;
-	dev->set_multicast_list = &mlx4_en_set_multicast;
-	dev->set_mac_address = &mlx4_en_set_mac;
-	dev->change_mtu = &mlx4_en_change_mtu;
-	dev->tx_timeout = &mlx4_en_tx_timeout;
+	dev->netdev_ops = &mlx4_netdev_ops;
 	dev->watchdog_timeo = MLX4_EN_WATCHDOG_TIMEOUT;
-	dev->vlan_rx_register = mlx4_en_vlan_rx_register;
-	dev->vlan_rx_add_vid = mlx4_en_vlan_rx_add_vid;
-	dev->vlan_rx_kill_vid = mlx4_en_vlan_rx_kill_vid;
-#ifdef CONFIG_NET_POLL_CONTROLLER
-	dev->poll_controller = mlx4_en_netpoll;
-#endif
+
 	SET_ETHTOOL_OPS(dev, &mlx4_en_ethtool_ops);
 
 	/* Set defualt MAC */
diff --git a/drivers/net/mlx4/en_params.c b/drivers/net/mlx4/en_params.c
index 95706ee..047b37f 100644
--- a/drivers/net/mlx4/en_params.c
+++ b/drivers/net/mlx4/en_params.c
@@ -60,24 +60,11 @@ MLX4_EN_PARM_INT(num_lro, MLX4_EN_MAX_LRO_DESCRIPTORS,
 		 "Number of LRO sessions per ring or disabled (0)");
 
 /* Priority pausing */
-MLX4_EN_PARM_INT(pptx, MLX4_EN_DEF_TX_PAUSE,
-		 "Pause policy on TX: 0 never generate pause frames "
-		 "1 generate pause frames according to RX buffer threshold");
-MLX4_EN_PARM_INT(pprx, MLX4_EN_DEF_RX_PAUSE,
-		 "Pause policy on RX: 0 ignore received pause frames "
-		 "1 respect received pause frames");
 MLX4_EN_PARM_INT(pfctx, 0, "Priority based Flow Control policy on TX[7:0]."
 			   " Per priority bit mask");
 MLX4_EN_PARM_INT(pfcrx, 0, "Priority based Flow Control policy on RX[7:0]."
 			   " Per priority bit mask");
 
-/* Interrupt moderation tunning */
-MLX4_EN_PARM_INT(rx_moder_cnt, MLX4_EN_AUTO_CONF,
-	       "Max coalesced descriptors for Rx interrupt moderation");
-MLX4_EN_PARM_INT(rx_moder_time, MLX4_EN_AUTO_CONF,
-	       "Timeout following last packet for Rx interrupt moderation");
-MLX4_EN_PARM_INT(auto_moder, 1, "Enable dynamic interrupt moderation");
-
 MLX4_EN_PARM_INT(rx_ring_num1, 0, "Number or Rx rings for port 1 (0 = #cores)");
 MLX4_EN_PARM_INT(rx_ring_num2, 0, "Number or Rx rings for port 2 (0 = #cores)");
 
@@ -92,16 +79,13 @@ int mlx4_en_get_profile(struct mlx4_en_dev *mdev)
 	struct mlx4_en_profile *params = &mdev->profile;
 	int i;
 
-	params->rx_moder_cnt = min_t(int, rx_moder_cnt, MLX4_EN_AUTO_CONF);
-	params->rx_moder_time = min_t(int, rx_moder_time, MLX4_EN_AUTO_CONF);
-	params->auto_moder = auto_moder;
 	params->rss_xor = (rss_xor != 0);
 	params->rss_mask = rss_mask & 0x1f;
 	params->num_lro = min_t(int, num_lro , MLX4_EN_MAX_LRO_DESCRIPTORS);
 	for (i = 1; i <= MLX4_MAX_PORTS; i++) {
-		params->prof[i].rx_pause = pprx;
+		params->prof[i].rx_pause = 1;
 		params->prof[i].rx_ppp = pfcrx;
-		params->prof[i].tx_pause = pptx;
+		params->prof[i].tx_pause = 1;
 		params->prof[i].tx_ppp = pfctx;
 	}
 	if (pfcrx || pfctx) {
diff --git a/drivers/net/mlx4/en_rx.c b/drivers/net/mlx4/en_rx.c
index 6232227..c61b0bd 100644
--- a/drivers/net/mlx4/en_rx.c
+++ b/drivers/net/mlx4/en_rx.c
@@ -443,7 +443,8 @@ int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv)
 		/* Fill Rx buffers */
 		ring->full = 0;
 	}
-	if (mlx4_en_fill_rx_buffers(priv))
+	err = mlx4_en_fill_rx_buffers(priv);
+	if (err)
 		goto err_buffers;
 
 	for (ring_ind = 0; ring_ind < priv->rx_ring_num; ring_ind++) {
@@ -776,8 +777,6 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
 		} else
 			netif_receive_skb(skb);
 
-		dev->last_rx = jiffies;
-
 next:
 		++cq->mcq.cons_index;
 		index = (cq->mcq.cons_index) & ring->size_mask;
@@ -815,7 +814,7 @@ void mlx4_en_rx_irq(struct mlx4_cq *mcq)
 	struct mlx4_en_priv *priv = netdev_priv(cq->dev);
 
 	if (priv->port_up)
-		netif_rx_schedule(cq->dev, &cq->napi);
+		netif_rx_schedule(&cq->napi);
 	else
 		mlx4_en_arm_cq(priv, cq);
 }
@@ -835,7 +834,7 @@ int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget)
 		INC_PERF_COUNTER(priv->pstats.napi_quota);
 	else {
 		/* Done for now */
-		netif_rx_complete(dev, napi);
+		netif_rx_complete(napi);
 		mlx4_en_arm_cq(priv, cq);
 	}
 	return done;
diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c
index 8592f8f..ff4d752 100644
--- a/drivers/net/mlx4/en_tx.c
+++ b/drivers/net/mlx4/en_tx.c
@@ -379,8 +379,8 @@ static void mlx4_en_process_tx_cq(struct net_device *dev, struct mlx4_en_cq *cq)
 
 	/* Wakeup Tx queue if this ring stopped it */
 	if (unlikely(ring->blocked)) {
-		if (((u32) (ring->prod - ring->cons) <=
-		     ring->size - HEADROOM - MAX_DESC_TXBBS) && !cq->armed) {
+		if ((u32) (ring->prod - ring->cons) <=
+		     ring->size - HEADROOM - MAX_DESC_TXBBS) {
 
 			/* TODO: support multiqueue netdevs. Currently, we block
 			 * when *any* ring is full. Note that:
@@ -404,14 +404,11 @@ void mlx4_en_tx_irq(struct mlx4_cq *mcq)
 	struct mlx4_en_priv *priv = netdev_priv(cq->dev);
 	struct mlx4_en_tx_ring *ring = &priv->tx_ring[cq->ring];
 
-	spin_lock_irq(&ring->comp_lock);
-	cq->armed = 0;
+	if (!spin_trylock(&ring->comp_lock))
+		return;
 	mlx4_en_process_tx_cq(cq->dev, cq);
-	if (ring->blocked)
-		mlx4_en_arm_cq(priv, cq);
-	else
-		mod_timer(&cq->timer, jiffies + 1);
-	spin_unlock_irq(&ring->comp_lock);
+	mod_timer(&cq->timer, jiffies + 1);
+	spin_unlock(&ring->comp_lock);
 }
 
 
@@ -424,8 +421,10 @@ void mlx4_en_poll_tx_cq(unsigned long data)
 
 	INC_PERF_COUNTER(priv->pstats.tx_poll);
 
-	netif_tx_lock(priv->dev);
-	spin_lock_irq(&ring->comp_lock);
+	if (!spin_trylock(&ring->comp_lock)) {
+		mod_timer(&cq->timer, jiffies + MLX4_EN_TX_POLL_TIMEOUT);
+		return;
+	}
 	mlx4_en_process_tx_cq(cq->dev, cq);
 	inflight = (u32) (ring->prod - ring->cons - ring->last_nr_txbb);
 
@@ -435,8 +434,7 @@ void mlx4_en_poll_tx_cq(unsigned long data)
 	if (inflight && priv->port_up)
 		mod_timer(&cq->timer, jiffies + MLX4_EN_TX_POLL_TIMEOUT);
 
-	spin_unlock_irq(&ring->comp_lock);
-	netif_tx_unlock(priv->dev);
+	spin_unlock(&ring->comp_lock);
 }
 
 static struct mlx4_en_tx_desc *mlx4_en_bounce_to_desc(struct mlx4_en_priv *priv,
@@ -479,7 +477,10 @@ static inline void mlx4_en_xmit_poll(struct mlx4_en_priv *priv, int tx_ind)
 
 	/* Poll the CQ every mlx4_en_TX_MODER_POLL packets */
 	if ((++ring->poll_cnt & (MLX4_EN_TX_POLL_MODER - 1)) == 0)
-		mlx4_en_process_tx_cq(priv->dev, cq);
+		if (spin_trylock(&ring->comp_lock)) {
+			mlx4_en_process_tx_cq(priv->dev, cq);
+			spin_unlock(&ring->comp_lock);
+		}
 }
 
 static void *get_frag_ptr(struct sk_buff *skb)
diff --git a/drivers/net/mlx4/eq.c b/drivers/net/mlx4/eq.c
index de16933..2c19bff7c 100644
--- a/drivers/net/mlx4/eq.c
+++ b/drivers/net/mlx4/eq.c
@@ -243,10 +243,6 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq)
 		 * least that often.
 		 */
 		if (unlikely(set_ci >= MLX4_NUM_SPARE_EQE)) {
-			/*
-			 * Conditional on hca_type is OK here because
-			 * this is a rare case, not the fast path.
-			 */
 			eq_set_ci(eq, 0);
 			set_ci = 0;
 		}
@@ -266,7 +262,7 @@ static irqreturn_t mlx4_interrupt(int irq, void *dev_ptr)
 
 	writel(priv->eq_table.clr_mask, priv->eq_table.clr_int);
 
-	for (i = 0; i < MLX4_NUM_EQ; ++i)
+	for (i = 0; i < dev->caps.num_comp_vectors + 1; ++i)
 		work |= mlx4_eq_int(dev, &priv->eq_table.eq[i]);
 
 	return IRQ_RETVAL(work);
@@ -304,6 +300,17 @@ static int mlx4_HW2SW_EQ(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox,
 			    MLX4_CMD_TIME_CLASS_A);
 }
 
+static int mlx4_num_eq_uar(struct mlx4_dev *dev)
+{
+	/*
+	 * Each UAR holds 4 EQ doorbells.  To figure out how many UARs
+	 * we need to map, take the difference of highest index and
+	 * the lowest index we'll use and add 1.
+	 */
+	return (dev->caps.num_comp_vectors + 1 + dev->caps.reserved_eqs) / 4 -
+		dev->caps.reserved_eqs / 4 + 1;
+}
+
 static void __iomem *mlx4_get_eq_uar(struct mlx4_dev *dev, struct mlx4_eq *eq)
 {
 	struct mlx4_priv *priv = mlx4_priv(dev);
@@ -483,9 +490,11 @@ static void mlx4_free_irqs(struct mlx4_dev *dev)
 
 	if (eq_table->have_irq)
 		free_irq(dev->pdev->irq, dev);
-	for (i = 0; i < MLX4_NUM_EQ; ++i)
+	for (i = 0; i < dev->caps.num_comp_vectors + 1; ++i)
 		if (eq_table->eq[i].have_irq)
 			free_irq(eq_table->eq[i].irq, eq_table->eq + i);
+
+	kfree(eq_table->irq_names);
 }
 
 static int mlx4_map_clr_int(struct mlx4_dev *dev)
@@ -551,57 +560,93 @@ void mlx4_unmap_eq_icm(struct mlx4_dev *dev)
 	__free_page(priv->eq_table.icm_page);
 }
 
+int mlx4_alloc_eq_table(struct mlx4_dev *dev)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+
+	priv->eq_table.eq = kcalloc(dev->caps.num_eqs - dev->caps.reserved_eqs,
+				    sizeof *priv->eq_table.eq, GFP_KERNEL);
+	if (!priv->eq_table.eq)
+		return -ENOMEM;
+
+	return 0;
+}
+
+void mlx4_free_eq_table(struct mlx4_dev *dev)
+{
+	kfree(mlx4_priv(dev)->eq_table.eq);
+}
+
 int mlx4_init_eq_table(struct mlx4_dev *dev)
 {
 	struct mlx4_priv *priv = mlx4_priv(dev);
 	int err;
 	int i;
 
+	priv->eq_table.uar_map = kcalloc(sizeof *priv->eq_table.uar_map,
+					 mlx4_num_eq_uar(dev), GFP_KERNEL);
+	if (!priv->eq_table.uar_map) {
+		err = -ENOMEM;
+		goto err_out_free;
+	}
+
 	err = mlx4_bitmap_init(&priv->eq_table.bitmap, dev->caps.num_eqs,
 			       dev->caps.num_eqs - 1, dev->caps.reserved_eqs, 0);
 	if (err)
-		return err;
+		goto err_out_free;
 
-	for (i = 0; i < ARRAY_SIZE(priv->eq_table.uar_map); ++i)
+	for (i = 0; i < mlx4_num_eq_uar(dev); ++i)
 		priv->eq_table.uar_map[i] = NULL;
 
 	err = mlx4_map_clr_int(dev);
 	if (err)
-		goto err_out_free;
+		goto err_out_bitmap;
 
 	priv->eq_table.clr_mask =
 		swab32(1 << (priv->eq_table.inta_pin & 31));
 	priv->eq_table.clr_int  = priv->clr_base +
 		(priv->eq_table.inta_pin < 32 ? 4 : 0);
 
-	err = mlx4_create_eq(dev, dev->caps.num_cqs + MLX4_NUM_SPARE_EQE,
-			     (dev->flags & MLX4_FLAG_MSI_X) ? MLX4_EQ_COMP : 0,
-			     &priv->eq_table.eq[MLX4_EQ_COMP]);
-	if (err)
-		goto err_out_unmap;
+	priv->eq_table.irq_names = kmalloc(16 * dev->caps.num_comp_vectors, GFP_KERNEL);
+	if (!priv->eq_table.irq_names) {
+		err = -ENOMEM;
+		goto err_out_bitmap;
+	}
+
+	for (i = 0; i < dev->caps.num_comp_vectors; ++i) {
+		err = mlx4_create_eq(dev, dev->caps.num_cqs + MLX4_NUM_SPARE_EQE,
+				     (dev->flags & MLX4_FLAG_MSI_X) ? i : 0,
+				     &priv->eq_table.eq[i]);
+		if (err)
+			goto err_out_unmap;
+	}
 
 	err = mlx4_create_eq(dev, MLX4_NUM_ASYNC_EQE + MLX4_NUM_SPARE_EQE,
-			     (dev->flags & MLX4_FLAG_MSI_X) ? MLX4_EQ_ASYNC : 0,
-			     &priv->eq_table.eq[MLX4_EQ_ASYNC]);
+			     (dev->flags & MLX4_FLAG_MSI_X) ? dev->caps.num_comp_vectors : 0,
+			     &priv->eq_table.eq[dev->caps.num_comp_vectors]);
 	if (err)
 		goto err_out_comp;
 
 	if (dev->flags & MLX4_FLAG_MSI_X) {
-		static const char *eq_name[] = {
-			[MLX4_EQ_COMP]  = DRV_NAME " (comp)",
-			[MLX4_EQ_ASYNC] = DRV_NAME " (async)"
-		};
+		static const char async_eq_name[] = "mlx4-async";
+		const char *eq_name;
+
+		for (i = 0; i < dev->caps.num_comp_vectors + 1; ++i) {
+			if (i < dev->caps.num_comp_vectors) {
+				snprintf(priv->eq_table.irq_names + i * 16, 16,
+					 "mlx4-comp-%d", i);
+				eq_name = priv->eq_table.irq_names + i * 16;
+			} else
+				eq_name = async_eq_name;
 
-		for (i = 0; i < MLX4_NUM_EQ; ++i) {
 			err = request_irq(priv->eq_table.eq[i].irq,
-					  mlx4_msi_x_interrupt,
-					  0, eq_name[i], priv->eq_table.eq + i);
+					  mlx4_msi_x_interrupt, 0, eq_name,
+					  priv->eq_table.eq + i);
 			if (err)
 				goto err_out_async;
 
 			priv->eq_table.eq[i].have_irq = 1;
 		}
-
 	} else {
 		err = request_irq(dev->pdev->irq, mlx4_interrupt,
 				  IRQF_SHARED, DRV_NAME, dev);
@@ -612,28 +657,36 @@ int mlx4_init_eq_table(struct mlx4_dev *dev)
 	}
 
 	err = mlx4_MAP_EQ(dev, MLX4_ASYNC_EVENT_MASK, 0,
-			  priv->eq_table.eq[MLX4_EQ_ASYNC].eqn);
+			  priv->eq_table.eq[dev->caps.num_comp_vectors].eqn);
 	if (err)
 		mlx4_warn(dev, "MAP_EQ for async EQ %d failed (%d)\n",
-			   priv->eq_table.eq[MLX4_EQ_ASYNC].eqn, err);
+			   priv->eq_table.eq[dev->caps.num_comp_vectors].eqn, err);
 
-	for (i = 0; i < MLX4_NUM_EQ; ++i)
+	for (i = 0; i < dev->caps.num_comp_vectors + 1; ++i)
 		eq_set_ci(&priv->eq_table.eq[i], 1);
 
 	return 0;
 
 err_out_async:
-	mlx4_free_eq(dev, &priv->eq_table.eq[MLX4_EQ_ASYNC]);
+	mlx4_free_eq(dev, &priv->eq_table.eq[dev->caps.num_comp_vectors]);
 
 err_out_comp:
-	mlx4_free_eq(dev, &priv->eq_table.eq[MLX4_EQ_COMP]);
+	i = dev->caps.num_comp_vectors - 1;
 
 err_out_unmap:
+	while (i >= 0) {
+		mlx4_free_eq(dev, &priv->eq_table.eq[i]);
+		--i;
+	}
 	mlx4_unmap_clr_int(dev);
 	mlx4_free_irqs(dev);
 
-err_out_free:
+err_out_bitmap:
 	mlx4_bitmap_cleanup(&priv->eq_table.bitmap);
+
+err_out_free:
+	kfree(priv->eq_table.uar_map);
+
 	return err;
 }
 
@@ -643,18 +696,20 @@ void mlx4_cleanup_eq_table(struct mlx4_dev *dev)
 	int i;
 
 	mlx4_MAP_EQ(dev, MLX4_ASYNC_EVENT_MASK, 1,
-		    priv->eq_table.eq[MLX4_EQ_ASYNC].eqn);
+		    priv->eq_table.eq[dev->caps.num_comp_vectors].eqn);
 
 	mlx4_free_irqs(dev);
 
-	for (i = 0; i < MLX4_NUM_EQ; ++i)
+	for (i = 0; i < dev->caps.num_comp_vectors + 1; ++i)
 		mlx4_free_eq(dev, &priv->eq_table.eq[i]);
 
 	mlx4_unmap_clr_int(dev);
 
-	for (i = 0; i < ARRAY_SIZE(priv->eq_table.uar_map); ++i)
+	for (i = 0; i < mlx4_num_eq_uar(dev); ++i)
 		if (priv->eq_table.uar_map[i])
 			iounmap(priv->eq_table.uar_map[i]);
 
 	mlx4_bitmap_cleanup(&priv->eq_table.bitmap);
+
+	kfree(priv->eq_table.uar_map);
 }
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 90a0281..710c79e 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -421,9 +421,7 @@ static int mlx4_init_cmpt_table(struct mlx4_dev *dev, u64 cmpt_base,
 				  ((u64) (MLX4_CMPT_TYPE_EQ *
 					  cmpt_entry_sz) << MLX4_CMPT_SHIFT),
 				  cmpt_entry_sz,
-				  roundup_pow_of_two(MLX4_NUM_EQ +
-						     dev->caps.reserved_eqs),
-				  MLX4_NUM_EQ + dev->caps.reserved_eqs, 0, 0);
+				  dev->caps.num_eqs, dev->caps.num_eqs, 0, 0);
 	if (err)
 		goto err_cq;
 
@@ -810,12 +808,12 @@ static int mlx4_setup_hca(struct mlx4_dev *dev)
 		if (dev->flags & MLX4_FLAG_MSI_X) {
 			mlx4_warn(dev, "NOP command failed to generate MSI-X "
 				  "interrupt IRQ %d).\n",
-				  priv->eq_table.eq[MLX4_EQ_ASYNC].irq);
+				  priv->eq_table.eq[dev->caps.num_comp_vectors].irq);
 			mlx4_warn(dev, "Trying again without MSI-X.\n");
 		} else {
 			mlx4_err(dev, "NOP command failed to generate interrupt "
 				 "(IRQ %d), aborting.\n",
-				 priv->eq_table.eq[MLX4_EQ_ASYNC].irq);
+				 priv->eq_table.eq[dev->caps.num_comp_vectors].irq);
 			mlx4_err(dev, "BIOS or ACPI interrupt routing problem?\n");
 		}
 
@@ -908,31 +906,50 @@ err_uar_table_free:
 static void mlx4_enable_msi_x(struct mlx4_dev *dev)
 {
 	struct mlx4_priv *priv = mlx4_priv(dev);
-	struct msix_entry entries[MLX4_NUM_EQ];
+	struct msix_entry *entries;
+	int nreq;
 	int err;
 	int i;
 
 	if (msi_x) {
-		for (i = 0; i < MLX4_NUM_EQ; ++i)
+		nreq = min(dev->caps.num_eqs - dev->caps.reserved_eqs,
+			   num_possible_cpus() + 1);
+		entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL);
+		if (!entries)
+			goto no_msi;
+
+		for (i = 0; i < nreq; ++i)
 			entries[i].entry = i;
 
-		err = pci_enable_msix(dev->pdev, entries, ARRAY_SIZE(entries));
+	retry:
+		err = pci_enable_msix(dev->pdev, entries, nreq);
 		if (err) {
-			if (err > 0)
-				mlx4_info(dev, "Only %d MSI-X vectors available, "
-					  "not using MSI-X\n", err);
+			/* Try again if at least 2 vectors are available */
+			if (err > 1) {
+				mlx4_info(dev, "Requested %d vectors, "
+					  "but only %d MSI-X vectors available, "
+					  "trying again\n", nreq, err);
+				nreq = err;
+				goto retry;
+			}
+
 			goto no_msi;
 		}
 
-		for (i = 0; i < MLX4_NUM_EQ; ++i)
+		dev->caps.num_comp_vectors = nreq - 1;
+		for (i = 0; i < nreq; ++i)
 			priv->eq_table.eq[i].irq = entries[i].vector;
 
 		dev->flags |= MLX4_FLAG_MSI_X;
+
+		kfree(entries);
 		return;
 	}
 
 no_msi:
-	for (i = 0; i < MLX4_NUM_EQ; ++i)
+	dev->caps.num_comp_vectors = 1;
+
+	for (i = 0; i < 2; ++i)
 		priv->eq_table.eq[i].irq = dev->pdev->irq;
 }
 
@@ -1074,6 +1091,10 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	if (err)
 		goto err_cmd;
 
+	err = mlx4_alloc_eq_table(dev);
+	if (err)
+		goto err_close;
+
 	mlx4_enable_msi_x(dev);
 
 	err = mlx4_setup_hca(dev);
@@ -1084,7 +1105,7 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	}
 
 	if (err)
-		goto err_close;
+		goto err_free_eq;
 
 	for (port = 1; port <= dev->caps.num_ports; port++) {
 		err = mlx4_init_port_info(dev, port);
@@ -1114,6 +1135,9 @@ err_port:
 	mlx4_cleanup_pd_table(dev);
 	mlx4_cleanup_uar_table(dev);
 
+err_free_eq:
+	mlx4_free_eq_table(dev);
+
 err_close:
 	if (dev->flags & MLX4_FLAG_MSI_X)
 		pci_disable_msix(pdev);
@@ -1177,6 +1201,7 @@ static void mlx4_remove_one(struct pci_dev *pdev)
 		iounmap(priv->kar);
 		mlx4_uar_free(dev, &priv->driver_uar);
 		mlx4_cleanup_uar_table(dev);
+		mlx4_free_eq_table(dev);
 		mlx4_close_hca(dev);
 		mlx4_cmd_cleanup(dev);
 
diff --git a/drivers/net/mlx4/mcg.c b/drivers/net/mlx4/mcg.c
index 592c01a..6053c35 100644
--- a/drivers/net/mlx4/mcg.c
+++ b/drivers/net/mlx4/mcg.c
@@ -118,17 +118,7 @@ static int find_mgm(struct mlx4_dev *dev,
 		return err;
 
 	if (0)
-		mlx4_dbg(dev, "Hash for %04x:%04x:%04x:%04x:"
-			  "%04x:%04x:%04x:%04x is %04x\n",
-			  be16_to_cpu(((__be16 *) gid)[0]),
-			  be16_to_cpu(((__be16 *) gid)[1]),
-			  be16_to_cpu(((__be16 *) gid)[2]),
-			  be16_to_cpu(((__be16 *) gid)[3]),
-			  be16_to_cpu(((__be16 *) gid)[4]),
-			  be16_to_cpu(((__be16 *) gid)[5]),
-			  be16_to_cpu(((__be16 *) gid)[6]),
-			  be16_to_cpu(((__be16 *) gid)[7]),
-			  *hash);
+		mlx4_dbg(dev, "Hash for %pI6 is %04x\n", gid, *hash);
 
 	*index = *hash;
 	*prev  = -1;
@@ -215,7 +205,7 @@ int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
 
 	if (block_mcast_loopback)
 		mgm->qp[members_count++] = cpu_to_be32((qp->qpn & MGM_QPN_MASK) |
-						       (1 << MGM_BLCK_LB_BIT));
+						       (1U << MGM_BLCK_LB_BIT));
 	else
 		mgm->qp[members_count++] = cpu_to_be32(qp->qpn & MGM_QPN_MASK);
 
@@ -277,16 +267,7 @@ int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16])
 		goto out;
 
 	if (index == -1) {
-		mlx4_err(dev, "MGID %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x "
-			  "not found\n",
-			  be16_to_cpu(((__be16 *) gid)[0]),
-			  be16_to_cpu(((__be16 *) gid)[1]),
-			  be16_to_cpu(((__be16 *) gid)[2]),
-			  be16_to_cpu(((__be16 *) gid)[3]),
-			  be16_to_cpu(((__be16 *) gid)[4]),
-			  be16_to_cpu(((__be16 *) gid)[5]),
-			  be16_to_cpu(((__be16 *) gid)[6]),
-			  be16_to_cpu(((__be16 *) gid)[7]));
+		mlx4_err(dev, "MGID %pI6 not found\n", gid);
 		err = -EINVAL;
 		goto out;
 	}
diff --git a/drivers/net/mlx4/mlx4.h b/drivers/net/mlx4/mlx4.h
index 34c909d..e0213bad 100644
--- a/drivers/net/mlx4/mlx4.h
+++ b/drivers/net/mlx4/mlx4.h
@@ -63,12 +63,6 @@ enum {
 };
 
 enum {
-	MLX4_EQ_ASYNC,
-	MLX4_EQ_COMP,
-	MLX4_NUM_EQ
-};
-
-enum {
 	MLX4_NUM_PDS		= 1 << 15
 };
 
@@ -205,10 +199,11 @@ struct mlx4_cq_table {
 
 struct mlx4_eq_table {
 	struct mlx4_bitmap	bitmap;
+	char		       *irq_names;
 	void __iomem	       *clr_int;
-	void __iomem	       *uar_map[(MLX4_NUM_EQ + 6) / 4];
+	void __iomem	      **uar_map;
 	u32			clr_mask;
-	struct mlx4_eq		eq[MLX4_NUM_EQ];
+	struct mlx4_eq	       *eq;
 	u64			icm_virt;
 	struct page	       *icm_page;
 	dma_addr_t		icm_dma;
@@ -328,6 +323,9 @@ void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap);
 
 int mlx4_reset(struct mlx4_dev *dev);
 
+int mlx4_alloc_eq_table(struct mlx4_dev *dev);
+void mlx4_free_eq_table(struct mlx4_dev *dev);
+
 int mlx4_init_pd_table(struct mlx4_dev *dev);
 int mlx4_init_uar_table(struct mlx4_dev *dev);
 int mlx4_init_mr_table(struct mlx4_dev *dev);
diff --git a/drivers/net/mlx4/mlx4_en.h b/drivers/net/mlx4/mlx4_en.h
index 98ddc08..e782097 100644
--- a/drivers/net/mlx4/mlx4_en.h
+++ b/drivers/net/mlx4/mlx4_en.h
@@ -58,17 +58,17 @@
 #define mlx4_dbg(mlevel, priv, format, arg...)	\
 	if (NETIF_MSG_##mlevel & priv->msg_enable) \
 	printk(KERN_DEBUG "%s %s: " format , DRV_NAME ,\
-		(&priv->mdev->pdev->dev)->bus_id , ## arg)
+		(dev_name(&priv->mdev->pdev->dev)) , ## arg)
 
 #define mlx4_err(mdev, format, arg...) \
 	printk(KERN_ERR "%s %s: " format , DRV_NAME ,\
-		(&mdev->pdev->dev)->bus_id , ## arg)
+		(dev_name(&mdev->pdev->dev)) , ## arg)
 #define mlx4_info(mdev, format, arg...) \
 	printk(KERN_INFO "%s %s: " format , DRV_NAME ,\
-		(&mdev->pdev->dev)->bus_id , ## arg)
+		(dev_name(&mdev->pdev->dev)) , ## arg)
 #define mlx4_warn(mdev, format, arg...) \
 	printk(KERN_WARNING "%s %s: " format , DRV_NAME ,\
-		(&mdev->pdev->dev)->bus_id , ## arg)
+		(dev_name(&mdev->pdev->dev)) , ## arg)
 
 /*
  * Device constants
@@ -311,7 +311,6 @@ struct mlx4_en_cq {
 	enum cq_type is_tx;
 	u16 moder_time;
 	u16 moder_cnt;
-	int armed;
 	struct mlx4_cqe *buf;
 #define MLX4_EN_OPCODE_ERROR	0x1e
 };
@@ -334,9 +333,6 @@ struct mlx4_en_profile {
 	u8 rss_mask;
 	u32 active_ports;
 	u32 small_pkt_int;
-	int rx_moder_cnt;
-	int rx_moder_time;
-	int auto_moder;
 	u8 no_reset;
 	struct mlx4_en_port_profile prof[MLX4_MAX_PORTS + 1];
 };
diff --git a/drivers/net/mlx4/profile.c b/drivers/net/mlx4/profile.c
index 9ca42b2..919fb9e 100644
--- a/drivers/net/mlx4/profile.c
+++ b/drivers/net/mlx4/profile.c
@@ -107,7 +107,9 @@ u64 mlx4_make_profile(struct mlx4_dev *dev,
 	profile[MLX4_RES_AUXC].num    = request->num_qp;
 	profile[MLX4_RES_SRQ].num     = request->num_srq;
 	profile[MLX4_RES_CQ].num      = request->num_cq;
-	profile[MLX4_RES_EQ].num      = MLX4_NUM_EQ + dev_cap->reserved_eqs;
+	profile[MLX4_RES_EQ].num      = min(dev_cap->max_eqs,
+					    dev_cap->reserved_eqs +
+					    num_possible_cpus() + 1);
 	profile[MLX4_RES_DMPT].num    = request->num_mpt;
 	profile[MLX4_RES_CMPT].num    = MLX4_NUM_CMPTS;
 	profile[MLX4_RES_MTT].num     = request->num_mtt;