diff options
| author | Aharon Landau <aharonl@nvidia.com> | 2022-02-15 20:55:30 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-08 15:23:34 +0300 |
| commit | 847f8677e3677c3750bb213ad3c51227097cecf7 (patch) | |
| tree | bc9880a1b82c31218486c0d9d845468367e89c5a /drivers/infiniband | |
| parent | c8db786858d895ac58342f67767b4999ae6538fa (diff) | |
| download | linux-847f8677e3677c3750bb213ad3c51227097cecf7.tar.xz | |
RDMA/mlx5: Fix the flow of a miss in the allocation of a cache ODP MR
[ Upstream commit 2f0e60d5e9f96341a0c8a01be8878cdb3b29ff20 ]
When an ODP MR cache entry is empty and trying to allocate it, increment
the ent->miss counter and call to queue_adjust_cache_locked() to verify
the entry is balanced.
Fixes: aad719dcf379 ("RDMA/mlx5: Allow MRs to be created in the cache synchronously")
Link: https://lore.kernel.org/r/09503e295276dcacc92cb1d8aef1ad0961c99dc1.1644947594.git.leonro@nvidia.com
Signed-off-by: Aharon Landau <aharonl@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>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/mr.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c index 22e2f4d79743..7bb1b9d0941c 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -580,6 +580,8 @@ struct mlx5_ib_mr *mlx5_mr_cache_alloc(struct mlx5_ib_dev *dev, ent = &cache->ent[entry]; spin_lock_irq(&ent->lock); if (list_empty(&ent->head)) { + queue_adjust_cache_locked(ent); + ent->miss++; spin_unlock_irq(&ent->lock); mr = create_cache_mr(ent); if (IS_ERR(mr)) |