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| author |   Aharon Landau <aharonl@nvidia.com> | 2022-02-15 19:55:30 +0200 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2022-02-23 14:59:13 -0400 |
| commit | 2f0e60d5e9f96341a0c8a01be8878cdb3b29ff20 (patch) | |
| tree | d9af1474cf8b6c4441034c35dc115cad919c05fb /drivers/infiniband/hw/mlx5/mr.c | |
| parent | RDMA/mlx5: Remove redundant work in struct mlx5_cache_ent (diff) | |
| download | linux-2f0e60d5e9f96341a0c8a01be8878cdb3b29ff20.tar.xz linux-2f0e60d5e9f96341a0c8a01be8878cdb3b29ff20.zip | |
RDMA/mlx5: Fix the flow of a miss in the allocation of a cache ODP MR
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>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/mr.c')
| -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 cd14d1b9dc1d..bce3cb6af524 100644 --- a/drivers/infiniband/hw/mlx5/mr.c +++ b/drivers/infiniband/hw/mlx5/mr.c @@ -577,6 +577,8 @@ 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)) |