netdev - Re: [PATCH v3 09/11] net: sched: use reference counting action init

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Date:   Mon, 28 May 2018 17:08:37 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     Vlad Buslov <vladbu@...lanox.com>
Cc:     netdev@...r.kernel.org, jhs@...atatu.com, xiyou.wangcong@...il.com,
        davem@...emloft.net, ast@...nel.org, daniel@...earbox.net,
        kliteyn@...lanox.com
Subject: Re: [PATCH v3 09/11] net: sched: use reference counting action init

Sun, May 27, 2018 at 11:17:27PM CEST, vladbu@...lanox.com wrote:
>Change action API to assume that action init function always takes
>reference to action, even when overwriting existing action. This is
>necessary because action API continues to use action pointer after init
>function is done. At this point action becomes accessible for concurrent
>modifications, so user must always hold reference to it.
>
>Implement helper put list function to atomically release list of actions
>after action API init code is done using them.
>
>Signed-off-by: Vlad Buslov <vladbu@...lanox.com>

Signed-off-by: Jiri Pirko <jiri@...lanox.com>