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SubjectRe: [PATCH v2] IB/mlx5: avoid excessive warning msgs when creating VFs on 2nd port
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On 7/23/2018 4:15 PM, Qing Huang wrote:
> When a CX5 device is configured in dual-port RoCE mode, after creating
> many VFs against port 1, creating the same number of VFs against port 2
> will flood kernel/syslog with something like
> "mlx5_*:mlx5_ib_bind_slave_port:4266:(pid 5269): port 2 already
> affiliated."
>
> So basically, when traversing mlx5_ib_dev_list, mlx5_ib_add_slave_port()
> repeatedly attempts to bind the new mpi structure to every device
> on the list until it finds an unbound device.
>
> Change the log level from warn to dbg to avoid log flooding as the warning
> should be harmless.
>
> Signed-off-by: Qing Huang <qing.huang@oracle.com>
> ---
> v1 -> v2: change the log level instead
>
> drivers/infiniband/hw/mlx5/main.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
> index b3ba9a2..f57b8f7 100644
> --- a/drivers/infiniband/hw/mlx5/main.c
> +++ b/drivers/infiniband/hw/mlx5/main.c
> @@ -5127,8 +5127,8 @@ static bool mlx5_ib_bind_slave_port(struct mlx5_ib_dev *ibdev,
>
> spin_lock(&ibdev->port[port_num].mp.mpi_lock);
> if (ibdev->port[port_num].mp.mpi) {
> - mlx5_ib_warn(ibdev, "port %d already affiliated.\n",
> - port_num + 1);
> + mlx5_ib_dbg(ibdev, "port %d already affiliated.\n",
> + port_num + 1);
> spin_unlock(&ibdev->port[port_num].mp.mpi_lock);
> return false;
> }
Reviewed-by: Daniel Jurgens <danielj@mellanox.com>

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