netdev - Re: [PATCH net-next v3 07/16] net: sched: introduce reference counting for tcf

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Message-ID: <20190205112233.GD2133@nanopsycho>
Date:   Tue, 5 Feb 2019 12:22:33 +0100
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
Subject: Re: [PATCH net-next v3 07/16] net: sched: introduce reference
 counting for tcf_proto

Mon, Feb 04, 2019 at 01:32:52PM CET, vladbu@...lanox.com wrote:
>In order to remove dependency on rtnl lock and allow concurrent tcf_proto
>modification, extend tcf_proto with reference counter. Implement helper
>get/put functions for tcf proto and use them to modify cls API to always
>take reference to tcf_proto while using it. Only release reference to
>parent chain after releasing last reference to tp.
>
>Signed-off-by: Vlad Buslov <vladbu@...lanox.com>

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