netdev - Re: [PATCH net-next v4 0/7] net/sched: conditional notification of events for cls and act

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Date: Tue, 12 Dec 2023 03:20:25 +0000
From: patchwork-bot+netdevbpf@...nel.org
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, marcelo.leitner@...il.com,
 vladbu@...dia.com, horms@...nel.org
Subject: Re: [PATCH net-next v4 0/7] net/sched: conditional notification of events
 for cls and act

Hello:

This series was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Fri,  8 Dec 2023 16:28:40 -0300 you wrote:
> This is an optimization we have been leveraging on P4TC but we believe
> it will benefit rtnl users in general.
> 
> It's common to allocate an skb, build a notification message and then
> broadcast an event. In the absence of any user space listeners, these
> resources (cpu and memory operations) are wasted. In cases where the subsystem
> is lockless (such as in tc-flower) this waste is more prominent. For the
> scenarios where the rtnl_lock is held it is not as prominent.
> 
> [...]

Here is the summary with links:
  - [net-next,v4,1/7] rtnl: add helper to check if rtnl group has listeners
    https://git.kernel.org/netdev/net-next/c/c5e2a973448d
  - [net-next,v4,2/7] rtnl: add helper to check if a notification is needed
    https://git.kernel.org/netdev/net-next/c/8439109b76a3
  - [net-next,v4,3/7] rtnl: add helper to send if skb is not null
    https://git.kernel.org/netdev/net-next/c/ddb6b284bdc3
  - [net-next,v4,4/7] net/sched: act_api: don't open code max()
    https://git.kernel.org/netdev/net-next/c/c73724bfde09
  - [net-next,v4,5/7] net/sched: act_api: conditional notification of events
    https://git.kernel.org/netdev/net-next/c/8d4390f51920
  - [net-next,v4,6/7] net/sched: cls_api: remove 'unicast' argument from delete notification
    https://git.kernel.org/netdev/net-next/c/e522755520ef
  - [net-next,v4,7/7] net/sched: cls_api: conditional notification of events
    https://git.kernel.org/netdev/net-next/c/93775590b1ee

You are awesome, thank you!
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