shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-07 19:30:30 +09:00
Code Issues Packages Projects Releases Wiki Activity

RDMA/mlx5: Add a missing update of cache->last_add

Browse Source 
[ Upstream commit 1d735eeee6 ]

Update cache->last_add when returning an MR to the cache so that the cache
work won't remove it.

Fixes: b9358bdbc7 ("RDMA/mlx5: Fix locking in MR cache work queue")
Link: https://lore.kernel.org/r/c99f076fce4b44829d434936bbcd3b5fc4c95020.1649062436.git.leonro@nvidia.com
Signed-off-by: Aharon Landau <aharonl@nvidia.com>
Reviewed-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Aharon Landau
2022-04-04 11:58:04 +03:00
committed by Greg Kroah-Hartman
parent 5b88519b78
commit 34b8ba1cb3
1 changed files with 1 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/infiniband/hw/mlx5/mr.c
View File

@@ -635,6 +635,7 @@ static void mlx5_mr_cache_free(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
{
struct mlx5_cache_ent *ent = mr->cache_ent;
WRITE_ONCE(dev->cache.last_add, jiffies);
spin_lock_irq(&ent->lock);
list_add_tail(&mr->list, &ent->head);
ent->available_mrs++;