Re: [PATCH net-next] netpoll: Optimize skb refilling on critical path

From: patchwork-bot+netdevbpf
Date: Fri Mar 07 2025 - 23:00:46 EST


Hello:

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

On Tue, 04 Mar 2025 07:50:41 -0800 you wrote:
> netpoll tries to refill the skb queue on every packet send, independently
> if packets are being consumed from the pool or not. This was
> particularly problematic while being called from printk(), where the
> operation would be done while holding the console lock.
>
> Introduce a more intelligent approach to skb queue management. Instead
> of constantly attempting to refill the queue, the system now defers
> refilling to a work queue and only triggers the workqueue when a buffer
> is actually dequeued. This change significantly reduces operations with
> the lock held.
>
> [...]

Here is the summary with links:
- [net-next] netpoll: Optimize skb refilling on critical path
https://git.kernel.org/netdev/net-next/c/248f6571fd4c

You are awesome, thank you!
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