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Message-Id:
<175924081095.1995551.12064784563384056373.git-patchwork-notify@kernel.org>
Date: Tue, 30 Sep 2025 14:00:10 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Eric Dumazet <edumazet@...gle.com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com, horms@...nel.org,
kuniyu@...gle.com, willemb@...gle.com, netdev@...r.kernel.org,
eric.dumazet@...il.com
Subject: Re: [PATCH v2 net-next 0/3] net: lockless skb_attempt_defer_free()
Hello:
This series was applied to netdev/net-next.git (main)
by Paolo Abeni <pabeni@...hat.com>:
On Sun, 28 Sep 2025 08:49:31 +0000 you wrote:
> Platforms with many cpus and relatively slow inter connect show
> a significant spinlock contention in skb_attempt_defer_free().
>
> This series refactors this infrastructure to be NUMA aware,
> and lockless.
>
> Tested on various platforms, including AMD Zen 2/3/4
> and Intel Granite Rapids, showing significant cost reductions
> under network stress (more than 20 Mpps).
>
> [...]
Here is the summary with links:
- [v2,net-next,1/3] net: make softnet_data.defer_count an atomic
https://git.kernel.org/netdev/net-next/c/9c94ae6bb0b2
- [v2,net-next,2/3] net: use llist for sd->defer_list
https://git.kernel.org/netdev/net-next/c/844c9db7f7f5
- [v2,net-next,3/3] net: add NUMA awareness to skb_attempt_defer_free()
https://git.kernel.org/netdev/net-next/c/5628f3fe3b16
You are awesome, thank you!
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