netdev - Re: [PATCH net-next v3 00/10] Refactor classifier API to work with Qdisc/blocks without rtnl lock

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Date:   Tue, 25 Sep 2018 20:18:09 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     vladbu@...lanox.com
Cc:     netdev@...r.kernel.org, jhs@...atatu.com, xiyou.wangcong@...il.com,
        jiri@...nulli.us, stephen@...workplumber.org, ktkhai@...tuozzo.com,
        nicolas.dichtel@...nd.com, gregkh@...uxfoundation.org,
        mark.rutland@....com, leon@...nel.org, paulmck@...ux.vnet.ibm.com,
        fw@...len.de, dsahern@...il.com, christian@...uner.io,
        lucien.xin@...il.com, jakub.kicinski@...ronome.com,
        jbenc@...hat.com
Subject: Re: [PATCH net-next v3 00/10] Refactor classifier API to work with
 Qdisc/blocks without rtnl lock

From: Vlad Buslov <vladbu@...lanox.com>
Date: Mon, 24 Sep 2018 19:18:32 +0300

 ...
> The goal of this change is to refactor tcf_block_find() and its
> dependencies to allow concurrent execution:
> - Extend Qdisc API with rcu to lookup and take reference to Qdisc
>   without relying on rtnl lock.
> - Extend tcf_block with atomic reference counting and rcu.
> - Always take reference to tcf_block while working with it.
> - Implement tcf_block_release() to release resources obtained by
>   tcf_block_find()
> - Create infrastructure to allow registering Qdiscs with class ops that
>   do not require the caller to hold rtnl lock.

Series applied, thank you.