netdev - Re: [PATCH net-next v2 5/5] net/sched: cls_api: conditional notification of events

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Message-ID: <ZW8O2KKxMM7ySr14@nanopsycho>
Date: Tue, 5 Dec 2023 12:51:52 +0100
From: Jiri Pirko <jiri@...nulli.us>
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, marcelo.leitner@...il.com,
	vladbu@...dia.com
Subject: Re: [PATCH net-next v2 5/5] net/sched: cls_api: conditional
 notification of events

Mon, Dec 04, 2023 at 09:39:07PM CET, pctammela@...atatu.com wrote:
>As of today tc-filter/chain events are unconditionally built and sent to
>RTNLGRP_TC. As with the introduction of tc_should_notify we can check
>before-hand if they are really needed. This will help to alleviate
>system pressure when filters are concurrently added without the rtnl
>lock as in tc-flower.
>
>Signed-off-by: Pedro Tammela <pctammela@...atatu.com>

Reviewed-by: Jiri Pirko <jiri@...dia.com>