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| author |   Aharon Landau <aharonl@nvidia.com> | 2023-01-26 00:28:03 +0200 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2023-01-27 13:04:09 -0400 |
| commit | 18b1746bddf5e7f6b2618966596d9517172a5cd7 (patch) | |
| tree | 51c73d271bdb57c1247bacdbe8167942d73446ce /drivers/infiniband/hw/mlx5/odp.c | |
| parent | RDMA/mlx5: Don't keep umrable 'page_shift' in cache entries (diff) | |
| download | linux-18b1746bddf5e7f6b2618966596d9517172a5cd7.tar.xz linux-18b1746bddf5e7f6b2618966596d9517172a5cd7.zip | |
RDMA/mlx5: Remove implicit ODP cache entry
Implicit ODP mkey doesn't have unique properties. It shares the same
properties as the order 18 cache entry. There is no need to devote a
special entry for that.
Link: https://lore.kernel.org/r/20230125222807.6921-3-michaelgur@nvidia.com
Signed-off-by: Aharon Landau <aharonl@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/odp.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/odp.c | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c index 8a78580a2a72..72044f8ec883 100644 --- a/drivers/infiniband/hw/mlx5/odp.c +++ b/drivers/infiniband/hw/mlx5/odp.c @@ -405,6 +405,7 @@ static void mlx5_ib_page_fault_resume(struct mlx5_ib_dev *dev, static struct mlx5_ib_mr *implicit_get_child_mr(struct mlx5_ib_mr *imr, unsigned long idx) { + int order = order_base_2(MLX5_IMR_MTT_ENTRIES); struct mlx5_ib_dev *dev = mr_to_mdev(imr); struct ib_umem_odp *odp; struct mlx5_ib_mr *mr; @@ -417,7 +418,8 @@ static struct mlx5_ib_mr *implicit_get_child_mr(struct mlx5_ib_mr *imr, if (IS_ERR(odp)) return ERR_CAST(odp); - mr = mlx5_mr_cache_alloc(dev, &dev->cache.ent[MLX5_IMR_MTT_CACHE_ENTRY], + BUILD_BUG_ON(order > MKEY_CACHE_LAST_STD_ENTRY); + mr = mlx5_mr_cache_alloc(dev, &dev->cache.ent[order], imr->access_flags); if (IS_ERR(mr)) { ib_umem_odp_release(odp); @@ -1591,20 +1593,8 @@ void mlx5_odp_init_mkey_cache_entry(struct mlx5_cache_ent *ent) { if (!(ent->dev->odp_caps.general_caps & IB_ODP_SUPPORT_IMPLICIT)) return; - - switch (ent->order - 2) { - case MLX5_IMR_MTT_CACHE_ENTRY: - ent->ndescs = MLX5_IMR_MTT_ENTRIES; - ent->access_mode = MLX5_MKC_ACCESS_MODE_MTT; - ent->limit = 0; - break; - - case MLX5_IMR_KSM_CACHE_ENTRY: - ent->ndescs = mlx5_imr_ksm_entries; - ent->access_mode = MLX5_MKC_ACCESS_MODE_KSM; - ent->limit = 0; - break; - } + ent->ndescs = mlx5_imr_ksm_entries; + ent->access_mode = MLX5_MKC_ACCESS_MODE_KSM; } static const struct ib_device_ops mlx5_ib_dev_odp_ops = { |