netdev - Re: [PATCH net-next] tcp: cache RTAX_QUICKACK metric in a hot cache line

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Message-Id: 
 <174230283450.303258.252089309715493644.git-patchwork-notify@kernel.org>
Date: Tue, 18 Mar 2025 13:00:34 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Eric Dumazet <edumazet@...gle.com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
 ncardwell@...gle.com, kuniyu@...zon.com, horms@...nel.org,
 netdev@...r.kernel.org, eric.dumazet@...il.com
Subject: Re: [PATCH net-next] tcp: cache RTAX_QUICKACK metric in a hot cache line

Hello:

This patch was applied to netdev/net-next.git (main)
by Paolo Abeni <pabeni@...hat.com>:

On Wed, 12 Mar 2025 08:39:07 +0000 you wrote:
> tcp_in_quickack_mode() is called from input path for small packets.
> 
> It calls __sk_dst_get() which reads sk->sk_dst_cache which has been
> put in sock_read_tx group (for good reasons).
> 
> Then dst_metric(dst, RTAX_QUICKACK) also needs extra cache line misses.
> 
> [...]

Here is the summary with links:
  - [net-next] tcp: cache RTAX_QUICKACK metric in a hot cache line
    https://git.kernel.org/netdev/net-next/c/15492700ac41

You are awesome, thank you!
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