mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-03 23:58:05 +00:00
Code Issues Releases Wiki Activity

IB/mlx4: Avoid executing gid task when device is being removed

Browse source 
When device is being removed (e.g during VPI port link type change
from ETH to IB), tasks for gid table changes should not be executed.

Flush the current queue of tasks and block further tasks from entering the queue.

Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Moni Shoua 2014-08-21 14:28:42 +03:00 committed by Roland Dreier
parent dba3ad2add
commit 4bf9715f18
1 changed files with 9 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
drivers/infiniband/hw/mlx4/main.c
View file

@ -1390,6 +1390,9 @@ static void update_gids_task(struct work_struct *work)
int err;
struct mlx4_dev *dev = gw->dev->dev;
if (!gw->dev->ib_active)
return;
mailbox = mlx4_alloc_cmd_mailbox(dev);
if (IS_ERR(mailbox)) {
pr_warn("update gid table failed %ld\n", PTR_ERR(mailbox));
@ -1420,6 +1423,9 @@ static void reset_gids_task(struct work_struct *work)
int err;
struct mlx4_dev *dev = gw->dev->dev;
if (!gw->dev->ib_active)
return;
mailbox = mlx4_alloc_cmd_mailbox(dev);
if (IS_ERR(mailbox)) {
pr_warn("reset gid table failed\n");
@ -2369,6 +2375,9 @@ static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr)
struct mlx4_ib_dev *ibdev = ibdev_ptr;
int p;
ibdev->ib_active = false;
flush_workqueue(wq);
mlx4_ib_close_sriov(ibdev);
mlx4_ib_mad_cleanup(ibdev);
ib_unregister_device(&ibdev->ib_dev);