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This allows supporting implicit ODP on HW that restricts memory registration with strict ordering. No functional change as this is a null mkey with no memory mappings. Reviewed-by: Yishai Hadas Signed-off-by: Michael Gur --- drivers/infiniband/hw/mlx5/odp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c index b8618610737a..34dbf7a79ae8 100644 --- a/drivers/infiniband/hw/mlx5/odp.c +++ b/drivers/infiniband/hw/mlx5/odp.c @@ -579,6 +579,7 @@ static int alloc_implicit_mr_null_mkey(struct mlx5_ib_dev *dev, MLX5_SET(mkc, mkc, rr, 1); MLX5_SET(mkc, mkc, lw, 1); MLX5_SET(mkc, mkc, lr, 1); + mlx5_core_mkey_set_relaxed_ordering(dev->mdev, mkc); MLX5_SET(mkc, mkc, free, 0); MLX5_SET(mkc, mkc, umr_en, 0); MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_MTT); -- 2.52.0