netdev - Re: [patch net-next] net: sched: don't dump chains only held by actions

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Message-ID: <CAM_iQpVsENuQh9iCGbqWXkOjg7880PN0cDG+dw0dYR1F2Z+OLA@mail.gmail.com>
Date:   Sat, 28 Jul 2018 10:20:17 -0700
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     Linux Kernel Network Developers <netdev@...r.kernel.org>,
        David Miller <davem@...emloft.net>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        mlxsw@...lanox.com
Subject: Re: [patch net-next] net: sched: don't dump chains only held by actions

On Fri, Jul 27, 2018 at 12:47 AM Jiri Pirko <jiri@...nulli.us> wrote:
>
> From: Jiri Pirko <jiri@...lanox.com>
>
> In case a chain is empty and not explicitly created by a user,
> such chain should not exist. The only exception is if there is
> an action "goto chain" pointing to it. In that case, don't show the
> chain in the dump. Track the chain references held by actions and
> use them to find out if a chain should or should not be shown
> in chain dump.
>
> Signed-off-by: Jiri Pirko <jiri@...lanox.com>

Looks reasonable to me.

Acked-by: Cong Wang <xiyou.wangcong@...il.com>