---

yaml
---
r: 118874
b: refs/heads/master
c: c35a254
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 633693660045b3e46a63ed618eb38a54339fbcc0
+refs/heads/master: c35a2549642c45ba9085d8b6db4dd68d2b0de230

trunk/drivers/infiniband/hw/cxgb3/iwch_provider.c

@@ -1102,9 +1102,7 @@ static u64 fw_vers_string_to_u64(struct iwch_dev *iwch_dev)
 	char *cp, *next;
 	unsigned fw_maj, fw_min, fw_mic;
 
-	rtnl_lock();
 	lldev->ethtool_ops->get_drvinfo(lldev, &info);
-	rtnl_unlock();
 
 	next = info.fw_version + 1;
 	cp = strsep(&next, ".");
@@ -1192,9 +1190,7 @@ static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr, ch
 	struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev;
 
 	PDBG("%s dev 0x%p\n", __func__, dev);
-	rtnl_lock();
 	lldev->ethtool_ops->get_drvinfo(lldev, &info);
-	rtnl_unlock();
 	return sprintf(buf, "%s\n", info.fw_version);
 }
 
@@ -1207,9 +1203,7 @@ static ssize_t show_hca(struct device *dev, struct device_attribute *attr,
 	struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev;
 
 	PDBG("%s dev 0x%p\n", __func__, dev);
-	rtnl_lock();
 	lldev->ethtool_ops->get_drvinfo(lldev, &info);
-	rtnl_unlock();
 	return sprintf(buf, "%s\n", info.driver);
 }
 

trunk/drivers/infiniband/hw/cxgb3/iwch_qp.c

@@ -745,7 +745,6 @@ int iwch_post_zb_read(struct iwch_qp *qhp)
 	wqe->read.rdmaop = T3_READ_REQ;
 	wqe->read.reserved[0] = 0;
 	wqe->read.reserved[1] = 0;
-	wqe->read.reserved[2] = 0;
 	wqe->read.rem_stag = cpu_to_be32(1);
 	wqe->read.rem_to = cpu_to_be64(1);
 	wqe->read.local_stag = cpu_to_be32(1);

trunk/drivers/infiniband/hw/ehca/ehca_irq.c

@@ -359,36 +359,48 @@ static void notify_port_conf_change(struct ehca_shca *shca, int port_num)
 	*old_attr = new_attr;
 }
 
+/* replay modify_qp for sqps -- return 0 if all is well, 1 if AQP1 destroyed */
+static int replay_modify_qp(struct ehca_sport *sport)
+{
+	int aqp1_destroyed;
+	unsigned long flags;
+
+	spin_lock_irqsave(&sport->mod_sqp_lock, flags);
+
+	aqp1_destroyed = !sport->ibqp_sqp[IB_QPT_GSI];
+
+	if (sport->ibqp_sqp[IB_QPT_SMI])
+		ehca_recover_sqp(sport->ibqp_sqp[IB_QPT_SMI]);
+	if (!aqp1_destroyed)
+		ehca_recover_sqp(sport->ibqp_sqp[IB_QPT_GSI]);
+
+	spin_unlock_irqrestore(&sport->mod_sqp_lock, flags);
+
+	return aqp1_destroyed;
+}
+
 static void parse_ec(struct ehca_shca *shca, u64 eqe)
 {
 	u8 ec   = EHCA_BMASK_GET(NEQE_EVENT_CODE, eqe);
 	u8 port = EHCA_BMASK_GET(NEQE_PORT_NUMBER, eqe);
 	u8 spec_event;
 	struct ehca_sport *sport = &shca->sport[port - 1];
-	unsigned long flags;
 
 	switch (ec) {
 	case 0x30: /* port availability change */
 		if (EHCA_BMASK_GET(NEQE_PORT_AVAILABILITY, eqe)) {
-			int suppress_event;
-			/* replay modify_qp for sqps */
-			spin_lock_irqsave(&sport->mod_sqp_lock, flags);
-			suppress_event = !sport->ibqp_sqp[IB_QPT_GSI];
-			if (sport->ibqp_sqp[IB_QPT_SMI])
-				ehca_recover_sqp(sport->ibqp_sqp[IB_QPT_SMI]);
-			if (!suppress_event)
-				ehca_recover_sqp(sport->ibqp_sqp[IB_QPT_GSI]);
-			spin_unlock_irqrestore(&sport->mod_sqp_lock, flags);
-
-			/* AQP1 was destroyed, ignore this event */
-			if (suppress_event)
-				break;
+			/* only replay modify_qp calls in autodetect mode;
+			 * if AQP1 was destroyed, the port is already down
+			 * again and we can drop the event.
+			 */
+			if (ehca_nr_ports < 0)
+				if (replay_modify_qp(sport))
+					break;
 
 			sport->port_state = IB_PORT_ACTIVE;
 			dispatch_port_event(shca, port, IB_EVENT_PORT_ACTIVE,
 					    "is active");
-			ehca_query_sma_attr(shca, port,
-					    &sport->saved_attr);
+			ehca_query_sma_attr(shca, port, &sport->saved_attr);
 		} else {
 			sport->port_state = IB_PORT_DOWN;
 			dispatch_port_event(shca, port, IB_EVENT_PORT_ERR,

trunk/drivers/infiniband/hw/ehca/ehca_qp.c

@@ -860,6 +860,11 @@ static struct ehca_qp *internal_create_qp(
 	if (qp_type == IB_QPT_GSI) {
 		h_ret = ehca_define_sqp(shca, my_qp, init_attr);
 		if (h_ret != H_SUCCESS) {
+			kfree(my_qp->mod_qp_parm);
+			my_qp->mod_qp_parm = NULL;
+			/* the QP pointer is no longer valid */
+			shca->sport[init_attr->port_num - 1].ibqp_sqp[qp_type] =
+				NULL;
 			ret = ehca2ib_return_code(h_ret);
 			goto create_qp_exit6;
 		}

trunk/drivers/infiniband/hw/ipath/ipath_ruc.c

@@ -156,7 +156,7 @@ int ipath_init_sge(struct ipath_qp *qp, struct ipath_rwqe *wqe,
 /**
  * ipath_get_rwqe - copy the next RWQE into the QP's RWQE
  * @qp: the QP
- * @wr_id_only: update wr_id only, not SGEs
+ * @wr_id_only: update qp->r_wr_id only, not qp->r_sge
  *
  * Return 0 if no RWQE is available, otherwise return 1.
  *
@@ -173,8 +173,6 @@ int ipath_get_rwqe(struct ipath_qp *qp, int wr_id_only)
 	u32 tail;
 	int ret;
 
-	qp->r_sge.sg_list = qp->r_sg_list;
-
 	if (qp->ibqp.srq) {
 		srq = to_isrq(qp->ibqp.srq);
 		handler = srq->ibsrq.event_handler;
@@ -206,8 +204,10 @@ int ipath_get_rwqe(struct ipath_qp *qp, int wr_id_only)
 		wqe = get_rwqe_ptr(rq, tail);
 		if (++tail >= rq->size)
 			tail = 0;
-	} while (!wr_id_only && !ipath_init_sge(qp, wqe, &qp->r_len,
-						&qp->r_sge));
+		if (wr_id_only)
+			break;
+		qp->r_sge.sg_list = qp->r_sg_list;
+	} while (!ipath_init_sge(qp, wqe, &qp->r_len, &qp->r_sge));
 	qp->r_wr_id = wqe->wr_id;
 	wq->tail = tail;
 

trunk/drivers/infiniband/hw/mlx4/mr.c

@@ -205,6 +205,7 @@ struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
 		goto err_mr;
 
 	mr->ibmr.rkey = mr->ibmr.lkey = mr->mmr.key;
+	mr->umem = NULL;
 
 	return &mr->ibmr;
 

trunk/drivers/infiniband/ulp/ipoib/ipoib_main.c

@@ -106,12 +106,13 @@ int ipoib_open(struct net_device *dev)
 
 	ipoib_dbg(priv, "bringing up interface\n");
 
-	napi_enable(&priv->napi);
 	set_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags);
 
 	if (ipoib_pkey_dev_delay_open(dev))
 		return 0;
 
+	napi_enable(&priv->napi);
+
 	if (ipoib_ib_dev_open(dev)) {
 		napi_disable(&priv->napi);
 		return -EINVAL;
@@ -546,6 +547,7 @@ static int path_rec_start(struct net_device *dev,
 	if (path->query_id < 0) {
 		ipoib_warn(priv, "ib_sa_path_rec_get failed: %d\n", path->query_id);
 		path->query = NULL;
+		complete(&path->done);
 		return path->query_id;
 	}
 
@@ -662,7 +664,7 @@ static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev,
 			skb_push(skb, sizeof *phdr);
 			__skb_queue_tail(&path->queue, skb);
 
-			if (path_rec_start(dev, path)) {
+			if (!path->query && path_rec_start(dev, path)) {
 				spin_unlock_irqrestore(&priv->lock, flags);
 				path_free(dev, path);
 				return;

trunk/drivers/net/cxgb3/cxgb3_main.c

@@ -1307,8 +1307,10 @@ static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
 	u32 fw_vers = 0;
 	u32 tp_vers = 0;
 
+	spin_lock(&adapter->stats_lock);
 	t3_get_fw_version(adapter, &fw_vers);
 	t3_get_tp_version(adapter, &tp_vers);
+	spin_unlock(&adapter->stats_lock);
 
 	strcpy(info->driver, DRV_NAME);
 	strcpy(info->version, DRV_VERSION);

trunk/drivers/net/mlx4/mlx4.h

@@ -87,19 +87,16 @@ enum {
 
 #ifdef CONFIG_MLX4_DEBUG
 extern int mlx4_debug_level;
+#else /* CONFIG_MLX4_DEBUG */
+#define mlx4_debug_level	(0)
+#endif /* CONFIG_MLX4_DEBUG */
 
 #define mlx4_dbg(mdev, format, arg...)					\
 	do {								\
 		if (mlx4_debug_level)					\
 			dev_printk(KERN_DEBUG, &mdev->pdev->dev, format, ## arg); \
 	} while (0)
 
-#else /* CONFIG_MLX4_DEBUG */
-
-#define mlx4_dbg(mdev, format, arg...) do { (void) mdev; } while (0)
-
-#endif /* CONFIG_MLX4_DEBUG */
-
 #define mlx4_err(mdev, format, arg...) \
 	dev_err(&mdev->pdev->dev, format, ## arg)
 #define mlx4_info(mdev, format, arg...) \