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authorLinus Torvalds <torvalds@linux-foundation.org>2013-06-07 16:29:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-06-07 16:29:21 -0700
commite8193ce572f0ddb8004acf976bba119f0abbe6ca (patch)
tree9bfabb44e3a00bf757f8e6859ff6277487ecefd1
parent5125ed5b5438ab534df9bfc309dd556781c4ec9b (diff)
parentc9a2433a901250637e05539ef111b91dbc52edb8 (diff)
Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull infiniband fixes from Roland Dreier: - qib RCU/lockdep fix - iser device removal fix, plus doc fixes * tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IB/qib: Fix lockdep splat in qib_alloc_lkey() MAINTAINERS: Add entry for iSCSI Extensions for RDMA (iSER) initiator IB/iser: Add Mellanox copyright IB/iser: Fix device removal flow
-rw-r--r--MAINTAINERS10
-rw-r--r--drivers/infiniband/hw/qib/qib_keys.c2
-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.c1
-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.h1
-rw-r--r--drivers/infiniband/ulp/iser/iser_initiator.c1
-rw-r--r--drivers/infiniband/ulp/iser/iser_memory.c1
-rw-r--r--drivers/infiniband/ulp/iser/iser_verbs.c16
7 files changed, 24 insertions, 8 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 73a5f63fb169..250dc970c62d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4448,6 +4448,16 @@ S: Maintained
F: drivers/scsi/*iscsi*
F: include/scsi/*iscsi*
+ISCSI EXTENSIONS FOR RDMA (ISER) INITIATOR
+M: Or Gerlitz <ogerlitz@mellanox.com>
+M: Roi Dayan <roid@mellanox.com>
+L: linux-rdma@vger.kernel.org
+S: Supported
+W: http://www.openfabrics.org
+W: www.open-iscsi.org
+Q: http://patchwork.kernel.org/project/linux-rdma/list/
+F: drivers/infiniband/ulp/iser
+
ISDN SUBSYSTEM
M: Karsten Keil <isdn@linux-pingi.de>
L: isdn4linux@listserv.isdn4linux.de (subscribers-only)
diff --git a/drivers/infiniband/hw/qib/qib_keys.c b/drivers/infiniband/hw/qib/qib_keys.c
index 81c7b73695d2..3b9afccaaade 100644
--- a/drivers/infiniband/hw/qib/qib_keys.c
+++ b/drivers/infiniband/hw/qib/qib_keys.c
@@ -61,7 +61,7 @@ int qib_alloc_lkey(struct qib_mregion *mr, int dma_region)
if (dma_region) {
struct qib_mregion *tmr;
- tmr = rcu_dereference(dev->dma_mr);
+ tmr = rcu_access_pointer(dev->dma_mr);
if (!tmr) {
qib_get_mr(mr);
rcu_assign_pointer(dev->dma_mr, mr);
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index f19b0998a53c..2e84ef859c5b 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -5,6 +5,7 @@
* Copyright (C) 2004 Alex Aizman
* Copyright (C) 2005 Mike Christie
* Copyright (c) 2005, 2006 Voltaire, Inc. All rights reserved.
+ * Copyright (c) 2013 Mellanox Technologies. All rights reserved.
* maintained by openib-general@openib.org
*
* This software is available to you under a choice of one of two
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h
index 06f578cde75b..4f069c0d4c04 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.h
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.h
@@ -8,6 +8,7 @@
*
* Copyright (c) 2004, 2005, 2006 Voltaire, Inc. All rights reserved.
* Copyright (c) 2005, 2006 Cisco Systems. All rights reserved.
+ * Copyright (c) 2013 Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
index a00ccd1ca333..b6d81a86c976 100644
--- a/drivers/infiniband/ulp/iser/iser_initiator.c
+++ b/drivers/infiniband/ulp/iser/iser_initiator.c
@@ -1,5 +1,6 @@
/*
* Copyright (c) 2004, 2005, 2006 Voltaire, Inc. All rights reserved.
+ * Copyright (c) 2013 Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c
index 68ebb7fe072a..7827baf455a1 100644
--- a/drivers/infiniband/ulp/iser/iser_memory.c
+++ b/drivers/infiniband/ulp/iser/iser_memory.c
@@ -1,5 +1,6 @@
/*
* Copyright (c) 2004, 2005, 2006 Voltaire, Inc. All rights reserved.
+ * Copyright (c) 2013 Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index 5278916c3103..2c4941d0656b 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -1,6 +1,7 @@
/*
* Copyright (c) 2004, 2005, 2006 Voltaire, Inc. All rights reserved.
* Copyright (c) 2005, 2006 Cisco Systems. All rights reserved.
+ * Copyright (c) 2013 Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
@@ -292,10 +293,10 @@ out_err:
}
/**
- * releases the FMR pool, QP and CMA ID objects, returns 0 on success,
+ * releases the FMR pool and QP objects, returns 0 on success,
* -1 on failure
*/
-static int iser_free_ib_conn_res(struct iser_conn *ib_conn, int can_destroy_id)
+static int iser_free_ib_conn_res(struct iser_conn *ib_conn)
{
int cq_index;
BUG_ON(ib_conn == NULL);
@@ -314,13 +315,9 @@ static int iser_free_ib_conn_res(struct iser_conn *ib_conn, int can_destroy_id)
rdma_destroy_qp(ib_conn->cma_id);
}
- /* if cma handler context, the caller acts s.t the cma destroy the id */
- if (ib_conn->cma_id != NULL && can_destroy_id)
- rdma_destroy_id(ib_conn->cma_id);
ib_conn->fmr_pool = NULL;
ib_conn->qp = NULL;
- ib_conn->cma_id = NULL;
kfree(ib_conn->page_vec);
if (ib_conn->login_buf) {
@@ -415,11 +412,16 @@ static void iser_conn_release(struct iser_conn *ib_conn, int can_destroy_id)
list_del(&ib_conn->conn_list);
mutex_unlock(&ig.connlist_mutex);
iser_free_rx_descriptors(ib_conn);
- iser_free_ib_conn_res(ib_conn, can_destroy_id);
+ iser_free_ib_conn_res(ib_conn);
ib_conn->device = NULL;
/* on EVENT_ADDR_ERROR there's no device yet for this conn */
if (device != NULL)
iser_device_try_release(device);
+ /* if cma handler context, the caller actually destroy the id */
+ if (ib_conn->cma_id != NULL && can_destroy_id) {
+ rdma_destroy_id(ib_conn->cma_id);
+ ib_conn->cma_id = NULL;
+ }
iscsi_destroy_endpoint(ib_conn->ep);
}