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RDMA/cm: Remove unused cm_class

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Previous commits removed all references to the /sys/class/infiniband_cm/
directory represented by the cm_class symbol. Remove the directory and
cm_class.

Fixes: a1a8e4a85c ("rdma: Delete the ib_ucm module")
Link: https://lore.kernel.org/r/0-v1-90096a98c476+205-remove_cm_leftovers_jgg@nvidia.com
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Jason Gunthorpe 2020-08-05 14:28:52 -03:00
parent c97119b6d3
commit c0f4979e90
3 changed files with 0 additions and 44 deletions
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17
Documentation/ABI/stable/sysfs-class-infiniband
View File

@ -258,23 +258,6 @@ Description:
userspace ABI compatibility of umad & issm devices.
What: /sys/class/infiniband_cm/ucmN/ibdev
Date: Oct, 2005
KernelVersion: v2.6.14
Contact: linux-rdma@vger.kernel.org
Description:
(RO) Display Infiniband (IB) device name
What: /sys/class/infiniband_cm/abi_version
Date: Oct, 2005
KernelVersion: v2.6.14
Contact: linux-rdma@vger.kernel.org
Description:
(RO) Value is incremented if any changes are made that break
userspace ABI compatibility of ucm devices.
What: /sys/class/infiniband_verbs/uverbsN/ibdev
What: /sys/class/infiniband_verbs/uverbsN/abi_version
Date: Sept, 2005

24
drivers/infiniband/core/cm.c
View File

@ -201,7 +201,6 @@ static struct attribute *cm_counter_default_attrs[] = {
struct cm_port {
struct cm_device *cm_dev;
struct ib_mad_agent *mad_agent;
struct kobject port_obj;
u8 port_num;
struct list_head cm_priv_prim_list;
struct list_head cm_priv_altr_list;
@ -4295,20 +4294,6 @@ static struct kobj_type cm_counter_obj_type = {
.default_attrs = cm_counter_default_attrs
};
static char *cm_devnode(struct device *dev, umode_t *mode)
{
if (mode)
*mode = 0666;
return kasprintf(GFP_KERNEL, "infiniband/%s", dev_name(dev));
}
struct class cm_class = {
.owner = THIS_MODULE,
.name = "infiniband_cm",
.devnode = cm_devnode,
};
EXPORT_SYMBOL(cm_class);
static int cm_create_port_fs(struct cm_port *port)
{
int i, ret;
@ -4511,12 +4496,6 @@ static int __init ib_cm_init(void)
get_random_bytes(&cm.random_id_operand, sizeof cm.random_id_operand);
INIT_LIST_HEAD(&cm.timewait_list);
ret = class_register(&cm_class);
if (ret) {
ret = -ENOMEM;
goto error1;
}
cm.wq = alloc_workqueue("ib_cm", 0, 1);
if (!cm.wq) {
ret = -ENOMEM;
@ -4531,8 +4510,6 @@ static int __init ib_cm_init(void)
error3:
destroy_workqueue(cm.wq);
error2:
class_unregister(&cm_class);
error1:
return ret;
}
@ -4553,7 +4530,6 @@ static void __exit ib_cm_cleanup(void)
kfree(timewait_info);
}
class_unregister(&cm_class);
WARN_ON(!xa_empty(&cm.local_id_table));
}

3
include/rdma/ib_cm.h
View File

@ -14,9 +14,6 @@
#include <rdma/ib_sa.h>
#include <rdma/rdma_cm.h>
/* ib_cm and ib_user_cm modules share /sys/class/infiniband_cm */
extern struct class cm_class;
enum ib_cm_state {
IB_CM_IDLE,
IB_CM_LISTEN,