linux-kernel - Re: [PATCH net] ptr_ring: drop duplicated tail zeroing code

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Message-ID: <CAPpAL=wSFdEgHfA-OysFAqLSjTwAGLkcGYELFaRi-xHmyvO6=w@mail.gmail.com>
Date: Sun, 28 Sep 2025 23:19:16 +0800
From: Lei Yang <leiyang@...hat.com>
To: "Michael S. Tsirkin" <mst@...hat.com>
Cc: linux-kernel@...r.kernel.org, netdev@...r.kernel.org, jasowang@...hat.com, 
	patchwork-bot+netdevbpf@...nel.org
Subject: Re: [PATCH net] ptr_ring: drop duplicated tail zeroing code

Tested this patch with virtio-net regression tests, everything works fine.

Tested-by: Lei Yang <leiyang@...hat.com>

On Sat, Sep 27, 2025 at 6:30 AM <patchwork-bot+netdevbpf@...nel.org> wrote:
>
> Hello:
>
> This patch was applied to netdev/net-next.git (main)
> by Jakub Kicinski <kuba@...nel.org>:
>
> On Wed, 24 Sep 2025 01:27:07 -0400 you wrote:
> > We have some rather subtle code around zeroing tail entries, minimizing
> > cache bouncing.  Let's put it all in one place.
> >
> > Doing this also reduces the text size slightly, e.g. for
> > drivers/vhost/net.o
> >   Before: text: 15,114 bytes
> >   After: text: 15,082 bytes
> >
> > [...]
>
> Here is the summary with links:
>   - [net] ptr_ring: drop duplicated tail zeroing code
>     https://git.kernel.org/netdev/net-next/c/4e9510f16218
>
> You are awesome, thank you!
> --
> Deet-doot-dot, I am a bot.
> https://korg.docs.kernel.org/patchwork/pwbot.html
>
>
>