netdev - Re: [patch net-next RFC 7/7] devlink: assert if devl_port_register/unregister() is called on unregistered devlink instance

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Message-ID: <Y4yHGT7k4/boMFa0@unreal>
Date:   Sun, 4 Dec 2022 13:40:09 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
        pabeni@...hat.com, edumazet@...gle.com, yangyingliang@...wei.com
Subject: Re: [patch net-next RFC 7/7] devlink: assert if
 devl_port_register/unregister() is called on unregistered devlink instance

On Thu, Dec 01, 2022 at 05:46:08PM +0100, Jiri Pirko wrote:
> From: Jiri Pirko <jiri@...dia.com>
> 
> Now when all drivers do call devl_port_register/unregister() withing the
> time frame during which the devlink is registered, put and assertion to
> the functions to check that and avoid going back.
> 
> Signed-off-by: Jiri Pirko <jiri@...dia.com>
> ---
>  net/core/devlink.c | 2 ++
>  1 file changed, 2 insertions(+)

You also need to remove delayed notifications from devlink_notify_register()

   9862         xa_for_each(&devlink->ports, port_index, devlink_port)
   9863                 devlink_port_notify(devlink_port, DEVLINK_CMD_PORT_NEW);

Thanks