Re: [PATCH net-next v3 0/4] netconsole: Optimize console registration and improve testing
From: patchwork-bot+netdevbpf
Date: Tue Jun 10 2025 - 17:40:15 EST
Hello:
This series was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:
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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