netdev - Re: [PATCH RFC net-next 1/4] net/sched: act_api: rely on rcu in tcf_idr_check

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Message-ID: <CALnP8ZZWua5iodkML7v02yOLtoCzBmkG8POig577M7m=fy7+Tg@mail.gmail.com>
Date: Tue, 28 Nov 2023 11:27:04 -0800
From: Marcelo Ricardo Leitner <mleitner@...hat.com>
To: Pedro Tammela <pctammela@...atatu.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com, 
	kuba@...nel.org, pabeni@...hat.com, jhs@...atatu.com, 
	xiyou.wangcong@...il.com, jiri@...nulli.us, vladbu@...dia.com
Subject: Re: [PATCH RFC net-next 1/4] net/sched: act_api: rely on rcu in tcf_idr_check_alloc

On Tue, Nov 28, 2023 at 01:06:28PM -0300, Pedro Tammela wrote:
> Instead of relying only on the idrinfo->lock mutex for
> bind/alloc logic, rely on a combination of rcu + mutex + atomics
> to better scale the case where multiple rtnl-less filters are
> binding to the same action object.

LGTM