netdev - Re: [patch net-next v2 1/9] devlink: remove devlink features

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Message-ID: <Y7rh/PvtBOY6hRuy@shredder>
Date:   Sun, 8 Jan 2023 17:32:12 +0200
From:   Ido Schimmel <idosch@...dia.com>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
        pabeni@...hat.com, edumazet@...gle.com, michael.chan@...adcom.com,
        yisen.zhuang@...wei.com, salil.mehta@...wei.com,
        jesse.brandeburg@...el.com, anthony.l.nguyen@...el.com,
        tariqt@...dia.com, saeedm@...dia.com, leon@...nel.org,
        petrm@...dia.com, mailhol.vincent@...adoo.fr,
        jacob.e.keller@...el.com, gal@...dia.com
Subject: Re: [patch net-next v2 1/9] devlink: remove devlink features

On Sat, Jan 07, 2023 at 11:11:42AM +0100, Jiri Pirko wrote:
> From: Jiri Pirko <jiri@...dia.com>
> 
> Devlink features were introduced to disallow devlink reload calls of
> userspace before the devlink was fully initialized. The reason for this
> workaround was the fact that devlink reload was originally called
> without devlink instance lock held.
> 
> However, with recent changes that converted devlink reload to be
> performed under devlink instance lock, this is redundant so remove
> devlink features entirely.
> 
> Note that mlx5 used this to enable devlink reload conditionally only
> when device didn't act as multi port slave. Move the multi port check
> into mlx5_devlink_reload_down() callback alongside with the other
> checks preventing the device from reload in certain states.
> 
> Signed-off-by: Jiri Pirko <jiri@...dia.com>
> ---
>  .../net/ethernet/broadcom/bnxt/bnxt_devlink.c |  1 -
>  .../hisilicon/hns3/hns3pf/hclge_devlink.c     |  1 -
>  .../hisilicon/hns3/hns3vf/hclgevf_devlink.c   |  1 -
>  drivers/net/ethernet/intel/ice/ice_devlink.c  |  1 -
>  drivers/net/ethernet/mellanox/mlx4/main.c     |  1 -
>  .../net/ethernet/mellanox/mlx5/core/devlink.c |  9 +++++----
>  drivers/net/ethernet/mellanox/mlxsw/core.c    |  1 -
>  drivers/net/netdevsim/dev.c                   |  1 -
>  net/devlink/core.c                            | 19 -------------------
>  net/devlink/devl_internal.h                   |  1 -
>  net/devlink/leftover.c                        |  3 ---
>  11 files changed, 5 insertions(+), 34 deletions(-)

devlink_set_features() needs to be removed from include/net/devlink.h as
well