On 03/03/2016 06:37 AM, Sagi Grimberg wrote:
> While documentation indicates that the number of translation
> entries per memory key is unlimited, in practice, we can
> only fit a finite amount of translation entries in a single
> registration wqe (which is log_max_klm_list_size).
>
> Signed-off-by: Sagi Grimberg <sagig@xxxxxxxxxxxx>
> ---
> drivers/infiniband/hw/mlx5/main.c | 3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
> index 90c5e24..136ed67 100644
> --- a/drivers/infiniband/hw/mlx5/main.c
> +++ b/drivers/infiniband/hw/mlx5/main.c
> @@ -536,7 +536,8 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
> props->local_ca_ack_delay = MLX5_CAP_GEN(mdev, local_ca_ack_delay);
> props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp;
> props->max_srq_sge = max_rq_sg - 1;
> - props->max_fast_reg_page_list_len = (unsigned int)-1;
> + props->max_fast_reg_page_list_len =
> + 1 << MLX5_CAP_GEN(mdev, log_max_klm_list_size);
> get_atomic_caps(dev, props);
> props->masked_atomic_cap = IB_ATOMIC_NONE;
> props->max_mcast_grp = 1 << MLX5_CAP_GEN(mdev, log_max_mcg);
>
Thanks, applied.
--
Doug Ledford <dledford@xxxxxxxxxx>
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