netdev - Re: [PATCH net-next v3 0/3] locklessly protect left members in struct rps_dev

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Message-Id: 
 <171352323053.9279.11233858843436039368.git-patchwork-notify@kernel.org>
Date: Fri, 19 Apr 2024 10:40:30 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Jason Xing <kerneljasonxing@...il.com>
Cc: edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
 davem@...emloft.net, horms@...nel.org, netdev@...r.kernel.org,
 kernelxing@...cent.com
Subject: Re: [PATCH net-next v3 0/3] locklessly protect left members in struct
 rps_dev_flow

Hello:

This series was applied to netdev/net-next.git (main)
by David S. Miller <davem@...emloft.net>:

On Thu, 18 Apr 2024 15:36:00 +0800 you wrote:
> From: Jason Xing <kernelxing@...cent.com>
> 
> Since Eric did a more complicated locklessly change to last_qtail
> member[1] in struct rps_dev_flow, the left members are easier to change
> as the same.
> 
> One thing important I would like to share by qooting Eric:
> "rflow is located in rxqueue->rps_flow_table, it is thus private to current
> thread. Only one cpu can service an RX queue at a time."
> So we only pay attention to the reader in the rps_may_expire_flow() and
> writer in the set_rps_cpu(). They are in the two different contexts.
> 
> [...]

Here is the summary with links:
  - [net-next,v3,1/3] net: rps: protect last_qtail with rps_input_queue_tail_save() helper
    https://git.kernel.org/netdev/net-next/c/84b6823cd96b
  - [net-next,v3,2/3] net: rps: protect filter locklessly
    https://git.kernel.org/netdev/net-next/c/f00bf5dc8320
  - [net-next,v3,3/3] net: rps: locklessly access rflow->cpu
    https://git.kernel.org/netdev/net-next/c/f7b60cce8470

You are awesome, thank you!
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