netdev - Re: [PATCH net-next v2] net: save some cycles when doing skb_attempt_defer

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Date: Mon, 15 Apr 2024 09:40:28 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Jason Xing <kerneljasonxing@...il.com>
Cc: edumazet@...gle.com, pablo@...filter.org, kuba@...nel.org,
 pabeni@...hat.com, davem@...emloft.net, horms@...nel.org,
 aleksander.lobakin@...el.com, netdev@...r.kernel.org, kernelxing@...cent.com
Subject: Re: [PATCH net-next v2] net: save some cycles when doing
 skb_attempt_defer_free()

Hello:

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

On Fri, 12 Apr 2024 11:07:18 +0800 you wrote:
> From: Jason Xing <kernelxing@...cent.com>
> 
> Normally, we don't face these two exceptions very often meanwhile
> we have some chance to meet the condition where the current cpu id
> is the same as skb->alloc_cpu.
> 
> One simple test that can help us see the frequency of this statement
> 'cpu == raw_smp_processor_id()':
> 1. running iperf -s and iperf -c [ip] -P [MAX CPU]
> 2. using BPF to capture skb_attempt_defer_free()
> 
> [...]

Here is the summary with links:
  - [net-next,v2] net: save some cycles when doing skb_attempt_defer_free()
    https://git.kernel.org/netdev/net-next/c/4d0470b9ad73

You are awesome, thank you!
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