linux-kernel - Re: [PATCH net-next v3 0/4] netconsole: Optimize console registration and improve testing

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Message-Id: 
 <174959163475.2619474.7924574005472646166.git-patchwork-notify@kernel.org>
Date: Tue, 10 Jun 2025 21:40:34 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Breno Leitao <leitao@...ian.org>
Cc: andrew+netdev@...n.ch, davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, tj@...nel.org, akpm@...ux-foundation.org,
 shuah@...nel.org, horms@...nel.org, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, gustavold@...il.com, usamaarif642@...il.com,
 linux-kselftest@...r.kernel.org, kernel-team@...a.com
Subject: Re: [PATCH net-next v3 0/4] netconsole: Optimize console registration
 and improve testing

Hello:

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

On Mon, 09 Jun 2025 02:46:25 -0700 you wrote:
> During performance analysis of console subsystem latency, I discovered that
> netconsole registers console handlers even when no active targets exist.
> These orphaned console handlers are invoked on every printk() call, get
> the lock, iterate through empty target lists, and consume CPU cycles
> without performing any useful work.
> 
> This patch series addresses the inefficiency by:
> 
> [...]

Here is the summary with links:
  - [net-next,v3,1/4] netconsole: Only register console drivers when targets are configured
    https://git.kernel.org/netdev/net-next/c/bc0cb64db1c7
  - [net-next,v3,2/4] netconsole: Add automatic console unregistration on target removal
    https://git.kernel.org/netdev/net-next/c/e99d938f8671
  - [net-next,v3,3/4] selftests: netconsole: Do not exit from inside the validation function
    https://git.kernel.org/netdev/net-next/c/69b25dd20c83
  - [net-next,v3,4/4] selftests: netconsole: Add support for basic netconsole target format
    https://git.kernel.org/netdev/net-next/c/224a6e602fb3

You are awesome, thank you!
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