From: Aharon Landau <aharonl@xxxxxxxxxx>
Explicit 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.
Signed-off-by: Aharon Landau <aharonl@xxxxxxxxxx>
---
drivers/infiniband/hw/mlx5/odp.c | 20 +++++---------------
include/linux/mlx5/driver.h | 1 -
2 files changed, 5 insertions(+), 16 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 = {
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index d476255c9a3f..f79c20d50eb4 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -734,7 +734,6 @@ enum {
enum {
MKEY_CACHE_LAST_STD_ENTRY = 20,
- MLX5_IMR_MTT_CACHE_ENTRY,
MLX5_IMR_KSM_CACHE_ENTRY,
MAX_MKEY_CACHE_ENTRIES
};
--
2.17.2
