netdev - Re: [PATCH 02/14] net: sched: change type of reference and bind counters

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Message-ID: <20180519210442.GA5488@localhost.localdomain>
Date:   Sat, 19 May 2018 18:04:42 -0300
From:   Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
To:     Vlad Buslov <vladbu@...lanox.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, jhs@...atatu.com,
        xiyou.wangcong@...il.com, jiri@...nulli.us, pablo@...filter.org,
        kadlec@...ckhole.kfki.hu, fw@...len.de, ast@...nel.org,
        daniel@...earbox.net, edumazet@...gle.com, keescook@...omium.org,
        linux-kernel@...r.kernel.org, netfilter-devel@...r.kernel.org,
        coreteam@...filter.org, kliteyn@...lanox.com
Subject: Re: [PATCH 02/14] net: sched: change type of reference and bind
 counters

On Mon, May 14, 2018 at 05:27:03PM +0300, Vlad Buslov wrote:
> Change type of action reference counter to refcount_t.
>
> Change type of action bind counter to atomic_t.
> This type is used to allow decrementing bind counter without testing
> for 0 result.

... and in what does not testing for 0 result helps?

  Marcelo