Merge remote-tracking branch 'torvalds/master' into perf/core

To get closer to upstream and check if we need to sync more UAPI
headers, pick up fixes for libbpf that prevent perf's container tests
from completing successfuly, etc.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

27 files changed, 206 insertions, 170 deletions

diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h
index 888d89ce81df..beee7b7e0d9a 100644
--- a/drivers/infiniband/core/core_priv.h
+++ b/drivers/infiniband/core/core_priv.h
@@ -302,7 +302,9 @@ static inline struct ib_qp *_ib_create_qp(struct ib_device *dev,
 					  struct ib_udata *udata,
 					  struct ib_uobject *uobj)
 {
+	enum ib_qp_type qp_type = attr->qp_type;
 	struct ib_qp *qp;
+	bool is_xrc;
 
 	if (!dev->ops.create_qp)
 		return ERR_PTR(-EOPNOTSUPP);
@@ -320,7 +322,8 @@ static inline struct ib_qp *_ib_create_qp(struct ib_device *dev,
 	 * and more importantly they are created internaly by driver,
 	 * see mlx5 create_dev_resources() as an example.
 	 */
-	if (attr->qp_type < IB_QPT_XRC_INI) {
+	is_xrc = qp_type == IB_QPT_XRC_INI || qp_type == IB_QPT_XRC_TGT;
+	if ((qp_type < IB_QPT_MAX && !is_xrc) || qp_type == IB_QPT_DRIVER) {
 		qp->res.type = RDMA_RESTRACK_QP;
 		if (uobj)
 			rdma_restrack_uadd(&qp->res);
diff --git a/drivers/infiniband/core/counters.c b/drivers/infiniband/core/counters.c
index 01faef7bc061..45d5164e9574 100644
--- a/drivers/infiniband/core/counters.c
+++ b/drivers/infiniband/core/counters.c
@@ -393,6 +393,9 @@ u64 rdma_counter_get_hwstat_value(struct ib_device *dev, u8 port, u32 index)
 	u64 sum;
 
 	port_counter = &dev->port_data[port].port_counter;
+	if (!port_counter->hstats)
+		return 0;
+
 	sum = get_running_counters_hwstat_sum(dev, port, index);
 	sum += port_counter->hstats->value[index];
 
@@ -594,7 +597,7 @@ void rdma_counter_init(struct ib_device *dev)
 	struct rdma_port_counter *port_counter;
 	u32 port;
 
-	if (!dev->ops.alloc_hw_stats || !dev->port_data)
+	if (!dev->port_data)
 		return;
 
 	rdma_for_each_port(dev, port) {
@@ -602,6 +605,9 @@ void rdma_counter_init(struct ib_device *dev)
 		port_counter->mode.mode = RDMA_COUNTER_MODE_NONE;
 		mutex_init(&port_counter->lock);
 
+		if (!dev->ops.alloc_hw_stats)
+			continue;
+
 		port_counter->hstats = dev->ops.alloc_hw_stats(dev, port);
 		if (!port_counter->hstats)
 			goto fail;
@@ -624,9 +630,6 @@ void rdma_counter_release(struct ib_device *dev)
 	struct rdma_port_counter *port_counter;
 	u32 port;
 
-	if (!dev->ops.alloc_hw_stats)
-		return;
-
 	rdma_for_each_port(dev, port) {
 		port_counter = &dev->port_data[port].port_counter;
 		kfree(port_counter->hstats);
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index 9773145dee09..ea8661a00651 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -94,11 +94,17 @@ static DEFINE_XARRAY_FLAGS(devices, XA_FLAGS_ALLOC);
 static DECLARE_RWSEM(devices_rwsem);
 #define DEVICE_REGISTERED XA_MARK_1
 
-static LIST_HEAD(client_list);
+static u32 highest_client_id;
 #define CLIENT_REGISTERED XA_MARK_1
 static DEFINE_XARRAY_FLAGS(clients, XA_FLAGS_ALLOC);
 static DECLARE_RWSEM(clients_rwsem);
 
+static void ib_client_put(struct ib_client *client)
+{
+	if (refcount_dec_and_test(&client->uses))
+		complete(&client->uses_zero);
+}
+
 /*
  * If client_data is registered then the corresponding client must also still
  * be registered.
@@ -661,6 +667,14 @@ static int add_client_context(struct ib_device *device,
 
 	down_write(&device->client_data_rwsem);
 	/*
+	 * So long as the client is registered hold both the client and device
+	 * unregistration locks.
+	 */
+	if (!refcount_inc_not_zero(&client->uses))
+		goto out_unlock;
+	refcount_inc(&device->refcount);
+
+	/*
 	 * Another caller to add_client_context got here first and has already
 	 * completely initialized context.
 	 */
@@ -683,6 +697,9 @@ static int add_client_context(struct ib_device *device,
 	return 0;
 
 out:
+	ib_device_put(device);
+	ib_client_put(client);
+out_unlock:
 	up_write(&device->client_data_rwsem);
 	return ret;
 }
@@ -702,7 +719,7 @@ static void remove_client_context(struct ib_device *device,
 	client_data = xa_load(&device->client_data, client_id);
 	xa_clear_mark(&device->client_data, client_id, CLIENT_DATA_REGISTERED);
 	client = xa_load(&clients, client_id);
-	downgrade_write(&device->client_data_rwsem);
+	up_write(&device->client_data_rwsem);
 
 	/*
 	 * Notice we cannot be holding any exclusive locks when calling the
@@ -712,17 +729,13 @@ static void remove_client_context(struct ib_device *device,
 	 *
 	 * For this reason clients and drivers should not call the
 	 * unregistration functions will holdling any locks.
-	 *
-	 * It tempting to drop the client_data_rwsem too, but this is required
-	 * to ensure that unregister_client does not return until all clients
-	 * are completely unregistered, which is required to avoid module
-	 * unloading races.
 	 */
 	if (client->remove)
 		client->remove(device, client_data);
 
 	xa_erase(&device->client_data, client_id);
-	up_read(&device->client_data_rwsem);
+	ib_device_put(device);
+	ib_client_put(client);
 }
 
 static int alloc_port_data(struct ib_device *device)
@@ -1224,7 +1237,7 @@ static int setup_device(struct ib_device *device)
 
 static void disable_device(struct ib_device *device)
 {
-	struct ib_client *client;
+	u32 cid;
 
 	WARN_ON(!refcount_read(&device->refcount));
 
@@ -1232,10 +1245,19 @@ static void disable_device(struct ib_device *device)
 	xa_clear_mark(&devices, device->index, DEVICE_REGISTERED);
 	up_write(&devices_rwsem);
 
+	/*
+	 * Remove clients in LIFO order, see assign_client_id. This could be
+	 * more efficient if xarray learns to reverse iterate. Since no new
+	 * clients can be added to this ib_device past this point we only need
+	 * the maximum possible client_id value here.
+	 */
 	down_read(&clients_rwsem);
-	list_for_each_entry_reverse(client, &client_list, list)
-		remove_client_context(device, client->client_id);
+	cid = highest_client_id;
 	up_read(&clients_rwsem);
+	while (cid) {
+		cid--;
+		remove_client_context(device, cid);
+	}
 
 	/* Pairs with refcount_set in enable_device */
 	ib_device_put(device);
@@ -1662,30 +1684,31 @@ static int assign_client_id(struct ib_client *client)
 	/*
 	 * The add/remove callbacks must be called in FIFO/LIFO order. To
 	 * achieve this we assign client_ids so they are sorted in
-	 * registration order, and retain a linked list we can reverse iterate
-	 * to get the LIFO order. The extra linked list can go away if xarray
-	 * learns to reverse iterate.
+	 * registration order.
 	 */
-	if (list_empty(&client_list)) {
-		client->client_id = 0;
-	} else {
-		struct ib_client *last;
-
-		last = list_last_entry(&client_list, struct ib_client, list);
-		client->client_id = last->client_id + 1;
-	}
+	client->client_id = highest_client_id;
 	ret = xa_insert(&clients, client->client_id, client, GFP_KERNEL);
 	if (ret)
 		goto out;
 
+	highest_client_id++;
 	xa_set_mark(&clients, client->client_id, CLIENT_REGISTERED);
-	list_add_tail(&client->list, &client_list);
 
 out:
 	up_write(&clients_rwsem);
 	return ret;
 }
 
+static void remove_client_id(struct ib_client *client)
+{
+	down_write(&clients_rwsem);
+	xa_erase(&clients, client->client_id);
+	for (; highest_client_id; highest_client_id--)
+		if (xa_load(&clients, highest_client_id - 1))
+			break;
+	up_write(&clients_rwsem);
+}
+
 /**
  * ib_register_client - Register an IB client
  * @client:Client to register
@@ -1705,6 +1728,8 @@ int ib_register_client(struct ib_client *client)
 	unsigned long index;
 	int ret;
 
+	refcount_set(&client->uses, 1);
+	init_completion(&client->uses_zero);
 	ret = assign_client_id(client);
 	if (ret)
 		return ret;
@@ -1740,21 +1765,30 @@ void ib_unregister_client(struct ib_client *client)
 	unsigned long index;
 
 	down_write(&clients_rwsem);
+	ib_client_put(client);
 	xa_clear_mark(&clients, client->client_id, CLIENT_REGISTERED);
 	up_write(&clients_rwsem);
-	/*
-	 * Every device still known must be serialized to make sure we are
-	 * done with the client callbacks before we return.
-	 */
-	down_read(&devices_rwsem);
-	xa_for_each (&devices, index, device)
+
+	/* We do not want to have locks while calling client->remove() */
+	rcu_read_lock();
+	xa_for_each (&devices, index, device) {
+		if (!ib_device_try_get(device))
+			continue;
+		rcu_read_unlock();
+
 		remove_client_context(device, client->client_id);
-	up_read(&devices_rwsem);
 
-	down_write(&clients_rwsem);
-	list_del(&client->list);
-	xa_erase(&clients, client->client_id);
-	up_write(&clients_rwsem);
+		ib_device_put(device);
+		rcu_read_lock();
+	}
+	rcu_read_unlock();
+
+	/*
+	 * remove_client_context() is not a fence, it can return even though a
+	 * removal is ongoing. Wait until all removals are completed.
+	 */
+	wait_for_completion(&client->uses_zero);
+	remove_client_id(client);
 }
 EXPORT_SYMBOL(ib_unregister_client);
 
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index cc99479b2c09..9947d16edef2 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -3224,18 +3224,18 @@ static int ib_mad_port_open(struct ib_device *device,
 	if (has_smi)
 		cq_size *= 2;
 
+	port_priv->pd = ib_alloc_pd(device, 0);
+	if (IS_ERR(port_priv->pd)) {
+		dev_err(&device->dev, "Couldn't create ib_mad PD\n");
+		ret = PTR_ERR(port_priv->pd);
+		goto error3;
+	}
+
 	port_priv->cq = ib_alloc_cq(port_priv->device, port_priv, cq_size, 0,
 			IB_POLL_UNBOUND_WORKQUEUE);
 	if (IS_ERR(port_priv->cq)) {
 		dev_err(&device->dev, "Couldn't create ib_mad CQ\n");
 		ret = PTR_ERR(port_priv->cq);
-		goto error3;
-	}
-
-	port_priv->pd = ib_alloc_pd(device, 0);
-	if (IS_ERR(port_priv->pd)) {
-		dev_err(&device->dev, "Couldn't create ib_mad PD\n");
-		ret = PTR_ERR(port_priv->pd);
 		goto error4;
 	}
 
@@ -3278,11 +3278,11 @@ error8:
 error7:
 	destroy_mad_qp(&port_priv->qp_info[0]);
 error6:
-	ib_dealloc_pd(port_priv->pd);
-error4:
 	ib_free_cq(port_priv->cq);
 	cleanup_recv_queue(&port_priv->qp_info[1]);
 	cleanup_recv_queue(&port_priv->qp_info[0]);
+error4:
+	ib_dealloc_pd(port_priv->pd);
 error3:
 	kfree(port_priv);
 
@@ -3312,8 +3312,8 @@ static int ib_mad_port_close(struct ib_device *device, int port_num)
 	destroy_workqueue(port_priv->wq);
 	destroy_mad_qp(&port_priv->qp_info[1]);
 	destroy_mad_qp(&port_priv->qp_info[0]);
-	ib_dealloc_pd(port_priv->pd);
 	ib_free_cq(port_priv->cq);
+	ib_dealloc_pd(port_priv->pd);
 	cleanup_recv_queue(&port_priv->qp_info[1]);
 	cleanup_recv_queue(&port_priv->qp_info[0]);
 	/* XXX: Handle deallocation of MAD registration tables */
diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c
index 9f8a48016b41..ffdeaf6e0b68 100644
--- a/drivers/infiniband/core/user_mad.c
+++ b/drivers/infiniband/core/user_mad.c
@@ -49,6 +49,7 @@
 #include <linux/sched.h>
 #include <linux/semaphore.h>
 #include <linux/slab.h>
+#include <linux/nospec.h>
 
 #include <linux/uaccess.h>
 
@@ -884,11 +885,14 @@ static int ib_umad_unreg_agent(struct ib_umad_file *file, u32 __user *arg)
 
 	if (get_user(id, arg))
 		return -EFAULT;
+	if (id >= IB_UMAD_MAX_AGENTS)
+		return -EINVAL;
 
 	mutex_lock(&file->port->file_mutex);
 	mutex_lock(&file->mutex);
 
-	if (id >= IB_UMAD_MAX_AGENTS || !__get_agent(file, id)) {
+	id = array_index_nospec(id, IB_UMAD_MAX_AGENTS);
+	if (!__get_agent(file, id)) {
 		ret = -EINVAL;
 		goto out;
 	}
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index a91653aabf38..098ab883733e 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -308,6 +308,7 @@ int bnxt_re_del_gid(const struct ib_gid_attr *attr, void **context)
 	struct bnxt_re_dev *rdev = to_bnxt_re_dev(attr->device, ibdev);
 	struct bnxt_qplib_sgid_tbl *sgid_tbl = &rdev->qplib_res.sgid_tbl;
 	struct bnxt_qplib_gid *gid_to_del;
+	u16 vlan_id = 0xFFFF;
 
 	/* Delete the entry from the hardware */
 	ctx = *context;
@@ -317,7 +318,8 @@ int bnxt_re_del_gid(const struct ib_gid_attr *attr, void **context)
 	if (sgid_tbl && sgid_tbl->active) {
 		if (ctx->idx >= sgid_tbl->max)
 			return -EINVAL;
-		gid_to_del = &sgid_tbl->tbl[ctx->idx];
+		gid_to_del = &sgid_tbl->tbl[ctx->idx].gid;
+		vlan_id = sgid_tbl->tbl[ctx->idx].vlan_id;
 		/* DEL_GID is called in WQ context(netdevice_event_work_handler)
 		 * or via the ib_unregister_device path. In the former case QP1
 		 * may not be destroyed yet, in which case just return as FW
@@ -335,7 +337,8 @@ int bnxt_re_del_gid(const struct ib_gid_attr *attr, void **context)
 		}
 		ctx->refcnt--;
 		if (!ctx->refcnt) {
-			rc = bnxt_qplib_del_sgid(sgid_tbl, gid_to_del, true);
+			rc = bnxt_qplib_del_sgid(sgid_tbl, gid_to_del,
+						 vlan_id,  true);
 			if (rc) {
 				dev_err(rdev_to_dev(rdev),
 					"Failed to remove GID: %#x", rc);
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.c b/drivers/infiniband/hw/bnxt_re/qplib_res.c
index 37928b1111df..bdbde8e22420 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_res.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_res.c
@@ -488,7 +488,7 @@ static int bnxt_qplib_alloc_sgid_tbl(struct bnxt_qplib_res *res,
 				     struct bnxt_qplib_sgid_tbl *sgid_tbl,
 				     u16 max)
 {
-	sgid_tbl->tbl = kcalloc(max, sizeof(struct bnxt_qplib_gid), GFP_KERNEL);
+	sgid_tbl->tbl = kcalloc(max, sizeof(*sgid_tbl->tbl), GFP_KERNEL);
 	if (!sgid_tbl->tbl)
 		return -ENOMEM;
 
@@ -526,9 +526,10 @@ static void bnxt_qplib_cleanup_sgid_tbl(struct bnxt_qplib_res *res,
 	for (i = 0; i < sgid_tbl->max; i++) {
 		if (memcmp(&sgid_tbl->tbl[i], &bnxt_qplib_gid_zero,
 			   sizeof(bnxt_qplib_gid_zero)))
-			bnxt_qplib_del_sgid(sgid_tbl, &sgid_tbl->tbl[i], true);
+			bnxt_qplib_del_sgid(sgid_tbl, &sgid_tbl->tbl[i].gid,
+					    sgid_tbl->tbl[i].vlan_id, true);
 	}
-	memset(sgid_tbl->tbl, 0, sizeof(struct bnxt_qplib_gid) * sgid_tbl->max);
+	memset(sgid_tbl->tbl, 0, sizeof(*sgid_tbl->tbl) * sgid_tbl->max);
 	memset(sgid_tbl->hw_id, -1, sizeof(u16) * sgid_tbl->max);
 	memset(sgid_tbl->vlan, 0, sizeof(u8) * sgid_tbl->max);
 	sgid_tbl->active = 0;
@@ -537,7 +538,11 @@ static void bnxt_qplib_cleanup_sgid_tbl(struct bnxt_qplib_res *res,
 static void bnxt_qplib_init_sgid_tbl(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 				     struct net_device *netdev)
 {
-	memset(sgid_tbl->tbl, 0, sizeof(struct bnxt_qplib_gid) * sgid_tbl->max);
+	u32 i;
+
+	for (i = 0; i < sgid_tbl->max; i++)
+		sgid_tbl->tbl[i].vlan_id = 0xffff;
+
 	memset(sgid_tbl->hw_id, -1, sizeof(u16) * sgid_tbl->max);
 }
 
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.h b/drivers/infiniband/hw/bnxt_re/qplib_res.h
index 30c42c92fac7..fbda11a7ab1a 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_res.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_res.h
@@ -111,7 +111,7 @@ struct bnxt_qplib_pd_tbl {
 };
 
 struct bnxt_qplib_sgid_tbl {
-	struct bnxt_qplib_gid		*tbl;
+	struct bnxt_qplib_gid_info	*tbl;
 	u16				*hw_id;
 	u16				max;
 	u16				active;
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
index 48793d3512ac..40296b97d21e 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
@@ -213,12 +213,12 @@ int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
 			index, sgid_tbl->max);
 		return -EINVAL;
 	}
-	memcpy(gid, &sgid_tbl->tbl[index], sizeof(*gid));
+	memcpy(gid, &sgid_tbl->tbl[index].gid, sizeof(*gid));
 	return 0;
 }
 
 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
-			struct bnxt_qplib_gid *gid, bool update)
+			struct bnxt_qplib_gid *gid, u16 vlan_id, bool update)
 {
 	struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
 						   struct bnxt_qplib_res,
@@ -236,7 +236,8 @@ int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 		return -ENOMEM;
 	}
 	for (index = 0; index < sgid_tbl->max; index++) {
-		if (!memcmp(&sgid_tbl->tbl[index], gid, sizeof(*gid)))
+		if (!memcmp(&sgid_tbl->tbl[index].gid, gid, sizeof(*gid)) &&
+		    vlan_id == sgid_tbl->tbl[index].vlan_id)
 			break;
 	}
 	if (index == sgid_tbl->max) {
@@ -262,8 +263,9 @@ int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 		if (rc)
 			return rc;
 	}
-	memcpy(&sgid_tbl->tbl[index], &bnxt_qplib_gid_zero,
+	memcpy(&sgid_tbl->tbl[index].gid, &bnxt_qplib_gid_zero,
 	       sizeof(bnxt_qplib_gid_zero));
+	sgid_tbl->tbl[index].vlan_id = 0xFFFF;
 	sgid_tbl->vlan[index] = 0;
 	sgid_tbl->active--;
 	dev_dbg(&res->pdev->dev,
@@ -296,7 +298,8 @@ int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 	}
 	free_idx = sgid_tbl->max;
 	for (i = 0; i < sgid_tbl->max; i++) {
-		if (!memcmp(&sgid_tbl->tbl[i], gid, sizeof(*gid))) {
+		if (!memcmp(&sgid_tbl->tbl[i], gid, sizeof(*gid)) &&
+		    sgid_tbl->tbl[i].vlan_id == vlan_id) {
 			dev_dbg(&res->pdev->dev,
 				"SGID entry already exist in entry %d!\n", i);
 			*index = i;
@@ -351,6 +354,7 @@ int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 	}
 	/* Add GID to the sgid_tbl */
 	memcpy(&sgid_tbl->tbl[free_idx], gid, sizeof(*gid));
+	sgid_tbl->tbl[free_idx].vlan_id = vlan_id;
 	sgid_tbl->active++;
 	if (vlan_id != 0xFFFF)
 		sgid_tbl->vlan[free_idx] = 1;
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.h b/drivers/infiniband/hw/bnxt_re/qplib_sp.h
index 0ec3b12b0bcd..13d9432d5ce2 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_sp.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.h
@@ -84,6 +84,11 @@ struct bnxt_qplib_gid {
 	u8				data[16];
 };
 
+struct bnxt_qplib_gid_info {
+	struct bnxt_qplib_gid gid;
+	u16 vlan_id;
+};
+
 struct bnxt_qplib_ah {
 	struct bnxt_qplib_gid		dgid;
 	struct bnxt_qplib_pd		*pd;
@@ -221,7 +226,7 @@ int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
 			struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
 			struct bnxt_qplib_gid *gid);
 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
-			struct bnxt_qplib_gid *gid, bool update);
+			struct bnxt_qplib_gid *gid, u16 vlan_id, bool update);
 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
 			struct bnxt_qplib_gid *gid, u8 *mac, u16 vlan_id,
 			bool update, u32 *index);
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c
index d5b643a1d9fd..67052dc3100c 100644
--- a/drivers/infiniband/hw/hfi1/chip.c
+++ b/drivers/infiniband/hw/hfi1/chip.c
@@ -14452,7 +14452,7 @@ void hfi1_deinit_vnic_rsm(struct hfi1_devdata *dd)
 		clear_rcvctrl(dd, RCV_CTRL_RCV_RSM_ENABLE_SMASK);
 }
 
-static void init_rxe(struct hfi1_devdata *dd)
+static int init_rxe(struct hfi1_devdata *dd)
 {
 	struct rsm_map_table *rmt;
 	u64 val;
@@ -14461,6 +14461,9 @@ static void init_rxe(struct hfi1_devdata *dd)
 	write_csr(dd, RCV_ERR_MASK, ~0ull);
 
 	rmt = alloc_rsm_map_table(dd);
+	if (!rmt)
+		return -ENOMEM;
+
 	/* set up QOS, including the QPN map table */
 	init_qos(dd, rmt);
 	init_fecn_handling(dd, rmt);
@@ -14487,6 +14490,7 @@ static void init_rxe(struct hfi1_devdata *dd)
 	val |= ((4ull & RCV_BYPASS_HDR_SIZE_MASK) <<
 		RCV_BYPASS_HDR_SIZE_SHIFT);
 	write_csr(dd, RCV_BYPASS, val);
+	return 0;
 }
 
 static void init_other(struct hfi1_devdata *dd)
@@ -15024,7 +15028,10 @@ int hfi1_init_dd(struct hfi1_devdata *dd)
 		goto bail_cleanup;
 
 	/* set initial RXE CSRs */
-	init_rxe(dd);
+	ret = init_rxe(dd);
+	if (ret)
+		goto bail_cleanup;
+
 	/* set initial TXE CSRs */
 	init_txe(dd);
 	/* set initial non-RXE, non-TXE CSRs */
diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c
index 0477c14633ab..024a7c2b6124 100644
--- a/drivers/infiniband/hw/hfi1/rc.c
+++ b/drivers/infiniband/hw/hfi1/rc.c
@@ -1835,7 +1835,6 @@ void hfi1_rc_send_complete(struct rvt_qp *qp, struct hfi1_opa_header *opah)
 		    cmp_psn(qp->s_sending_psn, qp->s_sending_hpsn) <= 0)
 			break;
 		trdma_clean_swqe(qp, wqe);
-		rvt_qp_wqe_unreserve(qp, wqe);
 		trace_hfi1_qp_send_completion(qp, wqe, qp->s_last);
 		rvt_qp_complete_swqe(qp,
 				     wqe,
@@ -1882,7 +1881,6 @@ struct rvt_swqe *do_rc_completion(struct rvt_qp *qp,
 	if (cmp_psn(wqe->lpsn, qp->s_sending_psn) < 0 ||
 	    cmp_psn(qp->s_sending_psn, qp->s_sending_hpsn) > 0) {
 		trdma_clean_swqe(qp, wqe);
-		rvt_qp_wqe_unreserve(qp, wqe);
 		trace_hfi1_qp_send_completion(qp, wqe, qp->s_last);
 		rvt_qp_complete_swqe(qp,
 				     wqe,
diff --git a/drivers/infiniband/hw/hfi1/tid_rdma.c b/drivers/infiniband/hw/hfi1/tid_rdma.c
index 92acccaaaa86..996fc298207e 100644
--- a/drivers/infiniband/hw/hfi1/tid_rdma.c
+++ b/drivers/infiniband/hw/hfi1/tid_rdma.c
@@ -1620,6 +1620,7 @@ static int hfi1_kern_exp_rcv_alloc_flows(struct tid_rdma_request *req,
 		flows[i].req = req;
 		flows[i].npagesets = 0;
 		flows[i].pagesets[0].mapped =  0;
+		flows[i].resync_npkts = 0;
 	}
 	req->flows = flows;
 	return 0;
@@ -1673,34 +1674,6 @@ static struct tid_rdma_flow *find_flow_ib(struct tid_rdma_request *req,
 	return NULL;
 }
 
-static struct tid_rdma_flow *
-__find_flow_ranged(struct tid_rdma_request *req, u16 head, u16 tail,
-		   u32 psn, u16 *fidx)
-{
-	for ( ; CIRC_CNT(head, tail, MAX_FLOWS);
-	      tail = CIRC_NEXT(tail, MAX_FLOWS)) {
-		struct tid_rdma_flow *flow = &req->flows[tail];
-		u32 spsn, lpsn;
-
-		spsn = full_flow_psn(flow, flow->flow_state.spsn);
-		lpsn = full_flow_psn(flow, flow->flow_state.lpsn);
-
-		if (cmp_psn(psn, spsn) >= 0 && cmp_psn(psn, lpsn) <= 0) {
-			if (fidx)
-				*fidx = tail;
-			return flow;
-		}
-	}
-	return NULL;
-}
-
-static struct tid_rdma_flow *find_flow(struct tid_rdma_request *req,
-				       u32 psn, u16 *fidx)
-{
-	return __find_flow_ranged(req, req->setup_head, req->clear_tail, psn,
-				  fidx);
-}
-
 /* TID RDMA READ functions */
 u32 hfi1_build_tid_rdma_read_packet(struct rvt_swqe *wqe,
 				    struct ib_other_headers *ohdr, u32 *bth1,
@@ -2788,19 +2761,7 @@ static bool handle_read_kdeth_eflags(struct hfi1_ctxtdata *rcd,
 			 * to prevent continuous Flow Sequence errors for any
 			 * packets that could be still in the fabric.
 			 */
-			flow = find_flow(req, psn, NULL);
-			if (!flow) {
-				/*
-				 * We can't find the IB PSN matching the
-				 * received KDETH PSN. The only thing we can
-				 * do at this point is report the error to
-				 * the QP.
-				 */
-				hfi1_kern_read_tid_flow_free(qp);
-				spin_unlock(&qp->s_lock);
-				rvt_rc_error(qp, IB_WC_LOC_QP_OP_ERR);
-				return ret;
-			}
+			flow = &req->flows[req->clear_tail];
 			if (priv->s_flags & HFI1_R_TID_SW_PSN) {
 				diff = cmp_psn(psn,
 					       flow->flow_state.r_next_psn);
diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c
index c4b243f50c76..646f61545ed6 100644
--- a/drivers/infiniband/hw/hfi1/verbs.c
+++ b/drivers/infiniband/hw/hfi1/verbs.c
@@ -54,6 +54,7 @@
 #include <linux/mm.h>
 #include <linux/vmalloc.h>
 #include <rdma/opa_addr.h>
+#include <linux/nospec.h>
 
 #include "hfi.h"
 #include "common.h"
@@ -1536,6 +1537,7 @@ static int hfi1_check_ah(struct ib_device *ibdev, struct rdma_ah_attr *ah_attr)
 	sl = rdma_ah_get_sl(ah_attr);
 	if (sl >= ARRAY_SIZE(ibp->sl_to_sc))
 		return -EINVAL;
+	sl = array_index_nospec(sl, ARRAY_SIZE(ibp->sl_to_sc));
 
 	sc5 = ibp->sl_to_sc[sl];
 	if (sc_to_vlt(dd, sc5) > num_vls && sc_to_vlt(dd, sc5) != 0xf)
diff --git a/drivers/infiniband/hw/hns/Kconfig b/drivers/infiniband/hw/hns/Kconfig
index 8bf847bcd8d3..54782197c717 100644
--- a/drivers/infiniband/hw/hns/Kconfig
+++ b/drivers/infiniband/hw/hns/Kconfig
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-only
 config INFINIBAND_HNS
-	tristate "HNS RoCE Driver"
+	bool "HNS RoCE Driver"
 	depends on NET_VENDOR_HISILICON
 	depends on ARM64 || (COMPILE_TEST && 64BIT)
 	---help---
@@ -11,7 +11,7 @@ config INFINIBAND_HNS
 	  To compile HIP06 or HIP08 driver as module, choose M here.
 
 config INFINIBAND_HNS_HIP06
-	bool "Hisilicon Hip06 Family RoCE support"
+	tristate "Hisilicon Hip06 Family RoCE support"
 	depends on INFINIBAND_HNS && HNS && HNS_DSAF && HNS_ENET
 	---help---
 	  RoCE driver support for Hisilicon RoCE engine in Hisilicon Hip06 and
@@ -21,7 +21,7 @@ config INFINIBAND_HNS_HIP06
 	  module will be called hns-roce-hw-v1
 
 config INFINIBAND_HNS_HIP08
-	bool "Hisilicon Hip08 Family RoCE support"
+	tristate "Hisilicon Hip08 Family RoCE support"
 	depends on INFINIBAND_HNS && PCI && HNS3
 	---help---
 	  RoCE driver support for Hisilicon RoCE engine in Hisilicon Hip08 SoC.
diff --git a/drivers/infiniband/hw/hns/Makefile b/drivers/infiniband/hw/hns/Makefile
index e105945b94a1..449a2d81319d 100644
--- a/drivers/infiniband/hw/hns/Makefile
+++ b/drivers/infiniband/hw/hns/Makefile
@@ -9,12 +9,8 @@ hns-roce-objs := hns_roce_main.o hns_roce_cmd.o hns_roce_pd.o \
 	hns_roce_ah.o hns_roce_hem.o hns_roce_mr.o hns_roce_qp.o \
 	hns_roce_cq.o hns_roce_alloc.o hns_roce_db.o hns_roce_srq.o hns_roce_restrack.o
 
-ifdef CONFIG_INFINIBAND_HNS_HIP06
 hns-roce-hw-v1-objs := hns_roce_hw_v1.o $(hns-roce-objs)
-obj-$(CONFIG_INFINIBAND_HNS) += hns-roce-hw-v1.o
-endif
+obj-$(CONFIG_INFINIBAND_HNS_HIP06) += hns-roce-hw-v1.o
 
-ifdef CONFIG_INFINIBAND_HNS_HIP08
 hns-roce-hw-v2-objs := hns_roce_hw_v2.o hns_roce_hw_v2_dfx.o $(hns-roce-objs)
-obj-$(CONFIG_INFINIBAND_HNS) += hns-roce-hw-v2.o
-endif
+obj-$(CONFIG_INFINIBAND_HNS_HIP08) += hns-roce-hw-v2.o
diff --git a/drivers/infiniband/hw/hns/hns_roce_db.c b/drivers/infiniband/hw/hns/hns_roce_db.c
index 627aa46ef683..c00714c2f16a 100644
--- a/drivers/infiniband/hw/hns/hns_roce_db.c
+++ b/drivers/infiniband/hw/hns/hns_roce_db.c
@@ -12,13 +12,15 @@ int hns_roce_db_map_user(struct hns_roce_ucontext *context,
 			 struct ib_udata *udata, unsigned long virt,
 			 struct hns_roce_db *db)
 {
+	unsigned long page_addr = virt & PAGE_MASK;
 	struct hns_roce_user_db_page *page;
+	unsigned int offset;
 	int ret = 0;
 
 	mutex_lock(&context->page_mutex);
 
 	list_for_each_entry(page, &context->page_list, list)
-		if (page->user_virt == (virt & PAGE_MASK))
+		if (page->user_virt == page_addr)
 			goto found;
 
 	page = kmalloc(sizeof(*page), GFP_KERNEL);
@@ -28,8 +30,8 @@ int hns_roce_db_map_user(struct hns_roce_ucontext *context,
 	}
 
 	refcount_set(&page->refcount, 1);
-	page->user_virt = (virt & PAGE_MASK);
-	page->umem = ib_umem_get(udata, virt & PAGE_MASK, PAGE_SIZE, 0, 0);
+	page->user_virt = page_addr;
+	page->umem = ib_umem_get(udata, page_addr, PAGE_SIZE, 0, 0);
 	if (IS_ERR(page->umem)) {
 		ret = PTR_ERR(page->umem);
 		kfree(page);
@@ -39,10 +41,9 @@ int hns_roce_db_map_user(struct hns_roce_ucontext *context,
 	list_add(&page->list, &context->page_list);
 
 found:
-	db->dma = sg_dma_address(page->umem->sg_head.sgl) +
-		  (virt & ~PAGE_MASK);
-	page->umem->sg_head.sgl->offset = virt & ~PAGE_MASK;
-	db->virt_addr = sg_virt(page->umem->sg_head.sgl);
+	offset = virt - page_addr;
+	db->dma = sg_dma_address(page->umem->sg_head.sgl) + offset;
+	db->virt_addr = sg_virt(page->umem->sg_head.sgl) + offset;
 	db->u.user_page = page;
 	refcount_inc(&page->refcount);
 
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
index 81e6dedb1e02..c07e387a07a3 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
@@ -750,8 +750,10 @@ static int hns_roce_v1_rsv_lp_qp(struct hns_roce_dev *hr_dev)
 	atomic_set(&free_mr->mr_free_cq->ib_cq.usecnt, 0);
 
 	pd = rdma_zalloc_drv_obj(ibdev, ib_pd);
-	if (!pd)
+	if (!pd) {
+		ret = -ENOMEM;
 		goto alloc_mem_failed;
+	}
 
 	pd->device  = ibdev;
 	ret = hns_roce_alloc_pd(pd, NULL);
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index c2a5780cb394..e12a4404096b 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -5802,13 +5802,12 @@ static void mlx5_ib_unbind_slave_port(struct mlx5_ib_dev *ibdev,
 		return;
 	}
 
-	if (mpi->mdev_events.notifier_call)
-		mlx5_notifier_unregister(mpi->mdev, &mpi->mdev_events);
-	mpi->mdev_events.notifier_call = NULL;
-
 	mpi->ibdev = NULL;
 
 	spin_unlock(&port->mp.mpi_lock);
+	if (mpi->mdev_events.notifier_call)
+		mlx5_notifier_unregister(mpi->mdev, &mpi->mdev_events);
+	mpi->mdev_events.notifier_call = NULL;
 	mlx5_remove_netdev_notifier(ibdev, port_num);
 	spin_lock(&port->mp.mpi_lock);
 
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index c482f19958b3..f6a53455bf8b 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -481,6 +481,7 @@ struct mlx5_umr_wr {
 	u64				length;
 	int				access_flags;
 	u32				mkey;
+	u8				ignore_free_state:1;
 };
 
 static inline const struct mlx5_umr_wr *umr_wr(const struct ib_send_wr *wr)
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 20ece6e0b2fc..b74fad08412f 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -51,22 +51,12 @@ static void clean_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr);
 static void dereg_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr);
 static int mr_cache_max_order(struct mlx5_ib_dev *dev);
 static int unreg_umr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr);
-static bool umr_can_modify_entity_size(struct mlx5_ib_dev *dev)
-{
-	return !MLX5_CAP_GEN(dev->mdev, umr_modify_entity_size_disabled);
-}
 
 static bool umr_can_use_indirect_mkey(struct mlx5_ib_dev *dev)
 {
 	return !MLX5_CAP_GEN(dev->mdev, umr_indirect_mkey_disabled);
 }
 
-static bool use_umr(struct mlx5_ib_dev *dev, int order)
-{
-	return order <= mr_cache_max_order(dev) &&
-		umr_can_modify_entity_size(dev);
-}
-
 static int destroy_mkey(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
 {
 	int err = mlx5_core_destroy_mkey(dev->mdev, &mr->mmkey);
@@ -545,13 +535,16 @@ void mlx5_mr_cache_free(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
 		return;
 
 	c = order2idx(dev, mr->order);
-	if (c < 0 || c >= MAX_MR_CACHE_ENTRIES) {
-		mlx5_ib_warn(dev, "order %d, cache index %d\n", mr->order, c);
-		return;
-	}
+	WARN_ON(c < 0 || c >= MAX_MR_CACHE_ENTRIES);
 
-	if (unreg_umr(dev, mr))
+	if (unreg_umr(dev, mr)) {
+		mr->allocated_from_cache = false;
+		destroy_mkey(dev, mr);
+		ent = &cache->ent[c];
+		if (ent->cur < ent->limit)
+			queue_work(cache->wq, &ent->work);
 		return;
+	}
 
 	ent = &cache->ent[c];
 	spin_lock_irq(&ent->lock);
@@ -1268,7 +1261,7 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
 {
 	struct mlx5_ib_dev *dev = to_mdev(pd->device);
 	struct mlx5_ib_mr *mr = NULL;
-	bool populate_mtts = false;
+	bool use_umr;
 	struct ib_umem *umem;
 	int page_shift;
 	int npages;
@@ -1300,29 +1293,30 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
 	if (err < 0)
 		return ERR_PTR(err);
 
-	if (use_umr(dev, order)) {
+	use_umr = !MLX5_CAP_GEN(dev->mdev, umr_modify_entity_size_disabled) &&
+		  (!MLX5_CAP_GEN(dev->mdev, umr_modify_atomic_disabled) ||
+		   !MLX5_CAP_GEN(dev->mdev, atomic));
+
+	if (order <= mr_cache_max_order(dev) && use_umr) {
 		mr = alloc_mr_from_cache(pd, umem, virt_addr, length, ncont,
 					 page_shift, order, access_flags);
 		if (PTR_ERR(mr) == -EAGAIN) {
 			mlx5_ib_dbg(dev, "cache empty for order %d\n", order);
 			mr = NULL;
 		}
-		populate_mtts = false;
 	} else if (!MLX5_CAP_GEN(dev->mdev, umr_extended_translation_offset)) {
 		if (access_flags & IB_ACCESS_ON_DEMAND) {
 			err = -EINVAL;
 			pr_err("Got MR registration for ODP MR > 512MB, not supported for Connect-IB\n");
 			goto error;
 		}
-		populate_mtts = true;
+		use_umr = false;
 	}
 
 	if (!mr) {
-		if (!umr_can_modify_entity_size(dev))
-			populate_mtts = true;
 		mutex_lock(&dev->slow_path_mutex);
 		mr = reg_create(NULL, pd, virt_addr, length, umem, ncont,
-				page_shift, access_flags, populate_mtts);
+				page_shift, access_flags, !use_umr);
 		mutex_unlock(&dev->slow_path_mutex);
 	}
 
@@ -1338,7 +1332,7 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
 
 	update_odp_mr(mr);
 
-	if (!populate_mtts) {
+	if (use_umr) {
 		int update_xlt_flags = MLX5_IB_UPD_XLT_ENABLE;
 
 		if (access_flags & IB_ACCESS_ON_DEMAND)
@@ -1373,9 +1367,11 @@ static int unreg_umr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
 		return 0;
 
 	umrwr.wr.send_flags = MLX5_IB_SEND_UMR_DISABLE_MR |
-			      MLX5_IB_SEND_UMR_FAIL_IF_FREE;
+			      MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS;
 	umrwr.wr.opcode = MLX5_IB_WR_UMR;
+	umrwr.pd = dev->umrc.pd;
 	umrwr.mkey = mr->mmkey.key;
+	umrwr.ignore_free_state = 1;
 
 	return mlx5_ib_post_send_wait(dev, &umrwr);
 }
@@ -1577,10 +1573,10 @@ static void clean_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
 		mr->sig = NULL;
 	}
 
-	mlx5_free_priv_descs(mr);
-
-	if (!allocated_from_cache)
+	if (!allocated_from_cache) {
 		destroy_mkey(dev, mr);
+		mlx5_free_priv_descs(mr);
+	}
 }
 
 static void dereg_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c
index 5b642d81e617..81da82050d05 100644
--- a/drivers/infiniband/hw/mlx5/odp.c
+++ b/drivers/infiniband/hw/mlx5/odp.c
@@ -246,7 +246,7 @@ void mlx5_ib_invalidate_range(struct ib_umem_odp *umem_odp, unsigned long start,
 	 * overwrite the same MTTs.  Concurent invalidations might race us,
 	 * but they will write 0s as well, so no difference in the end result.
 	 */
-
+	mutex_lock(&umem_odp->umem_mutex);
 	for (addr = start; addr < end; addr += BIT(umem_odp->page_shift)) {
 		idx = (addr - ib_umem_start(umem_odp)) >> umem_odp->page_shift;
 		/*
@@ -278,6 +278,7 @@ void mlx5_ib_invalidate_range(struct ib_umem_odp *umem_odp, unsigned long start,
 				   idx - blk_start_idx + 1, 0,
 				   MLX5_IB_UPD_XLT_ZAP |
 				   MLX5_IB_UPD_XLT_ATOMIC);
+	mutex_unlock(&umem_odp->umem_mutex);
 	/*
 	 * We are now sure that the device will not access the
 	 * memory. We can safely unmap it, and mark it as dirty if
@@ -1771,7 +1772,7 @@ static void mlx5_ib_prefetch_mr_work(struct work_struct *work)
 
 	num_pending_prefetch_dec(to_mdev(w->pd->device), w->sg_list,
 				 w->num_sge, 0);
-	kfree(w);
+	kvfree(w);
 }
 
 int mlx5_ib_advise_mr_prefetch(struct ib_pd *pd,
@@ -1813,7 +1814,7 @@ int mlx5_ib_advise_mr_prefetch(struct ib_pd *pd,
 	if (valid_req)
 		queue_work(system_unbound_wq, &work->work);
 	else
-		kfree(work);
+		kvfree(work);
 
 	srcu_read_unlock(&dev->mr_srcu, srcu_key);
 
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 2a97619ed603..379328b2598f 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -1713,7 +1713,6 @@ static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
 		}
 
 		MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_TOEPLITZ);
-		MLX5_SET(tirc, tirc, rx_hash_symmetric, 1);
 		memcpy(rss_key, ucmd.rx_hash_key, len);
 		break;
 	}
@@ -4295,10 +4294,14 @@ static int set_reg_umr_segment(struct mlx5_ib_dev *dev,
 
 	memset(umr, 0, sizeof(*umr));
 
-	if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE)
-		umr->flags = MLX5_UMR_CHECK_FREE; /* fail if free */
-	else
-		umr->flags = MLX5_UMR_CHECK_NOT_FREE; /* fail if not free */
+	if (!umrwr->ignore_free_state) {
+		if (wr->send_flags & MLX5_IB_SEND_UMR_FAIL_IF_FREE)
+			 /* fail if free */
+			umr->flags = MLX5_UMR_CHECK_FREE;
+		else
+			/* fail if not free */
+			umr->flags = MLX5_UMR_CHECK_NOT_FREE;
+	}
 
 	umr->xlt_octowords = cpu_to_be16(get_xlt_octo(umrwr->xlt_size));
 	if (wr->send_flags & MLX5_IB_SEND_UMR_UPDATE_XLT) {
diff --git a/drivers/infiniband/hw/qedr/main.c b/drivers/infiniband/hw/qedr/main.c
index 533157a2a3be..f97b3d65b30c 100644
--- a/drivers/infiniband/hw/qedr/main.c
+++ b/drivers/infiniband/hw/qedr/main.c
@@ -125,14 +125,20 @@ static ssize_t hw_rev_show(struct device *device, struct device_attribute *attr,
 	struct qedr_dev *dev =
 		rdma_device_to_drv_device(device, struct qedr_dev, ibdev);
 
-	return scnprintf(buf, PAGE_SIZE, "0x%x\n", dev->pdev->vendor);
+	return scnprintf(buf, PAGE_SIZE, "0x%x\n", dev->attr.hw_ver);
 }
 static DEVICE_ATTR_RO(hw_rev);
 
 static ssize_t hca_type_show(struct device *device,
 			     struct device_attribute *attr, char *buf)
 {
-	return scnprintf(buf, PAGE_SIZE, "%s\n", "HCA_TYPE_TO_SET");
+	struct qedr_dev *dev =
+		rdma_device_to_drv_device(device, struct qedr_dev, ibdev);
+
+	return scnprintf(buf, PAGE_SIZE, "FastLinQ QL%x %s\n",
+			 dev->pdev->device,
+			 rdma_protocol_iwarp(&dev->ibdev, 1) ?
+			 "iWARP" : "RoCE");
 }
 static DEVICE_ATTR_RO(hca_type);
 
diff --git a/drivers/infiniband/sw/siw/siw_cm.c b/drivers/infiniband/sw/siw/siw_cm.c
index a7cde98e73e8..9ce8a1b925d2 100644
--- a/drivers/infiniband/sw/siw/siw_cm.c
+++ b/drivers/infiniband/sw/siw/siw_cm.c
@@ -220,13 +220,12 @@ static void siw_put_work(struct siw_cm_work *work)
 static void siw_cep_set_inuse(struct siw_cep *cep)
 {
 	unsigned long flags;
-	int rv;
 retry:
 	spin_lock_irqsave(&cep->lock, flags);
 
 	if (cep->in_use) {
 		spin_unlock_irqrestore(&cep->lock, flags);
-		rv = wait_event_interruptible(cep->waitq, !cep->in_use);
+		wait_event_interruptible(cep->waitq, !cep->in_use);
 		if (signal_pending(current))
 			flush_signals(current);
 		goto retry;
diff --git a/drivers/infiniband/sw/siw/siw_main.c b/drivers/infiniband/sw/siw/siw_main.c
index f55c4e80aea4..d0f140daf659 100644
--- a/drivers/infiniband/sw/siw/siw_main.c
+++ b/drivers/infiniband/sw/siw/siw_main.c
@@ -612,6 +612,7 @@ static __init int siw_init_module(void)
 
 	if (!siw_create_tx_threads()) {
 		pr_info("siw: Could not start any TX thread\n");
+		rv = -ENOMEM;
 		goto out_error;
 	}
 	/*
diff --git a/drivers/infiniband/sw/siw/siw_qp.c b/drivers/infiniband/sw/siw/siw_qp.c
index 11383d9f95ef..e27bd5b35b96 100644
--- a/drivers/infiniband/sw/siw/siw_qp.c
+++ b/drivers/infiniband/sw/siw/siw_qp.c
@@ -220,12 +220,14 @@ static int siw_qp_enable_crc(struct siw_qp *qp)
 {
 	struct siw_rx_stream *c_rx = &qp->rx_stream;
 	struct siw_iwarp_tx *c_tx = &qp->tx_ctx;
-	int size = crypto_shash_descsize(siw_crypto_shash) +
-			sizeof(struct shash_desc);
+	int size;
 
 	if (siw_crypto_shash == NULL)
 		return -ENOENT;
 
+	size = crypto_shash_descsize(siw_crypto_shash) +
+		sizeof(struct shash_desc);
+
 	c_tx->mpa_crc_hd = kzalloc(size, GFP_KERNEL);
 	c_rx->mpa_crc_hd = kzalloc(size, GFP_KERNEL);
 	if (!c_tx->mpa_crc_hd || !c_rx->mpa_crc_hd) {