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

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Message-ID: <CACGkMEsaHh-gM=hksgo+Ti4ppB7fP7xT1XHve1F_rxR-w5aGMQ@mail.gmail.com>
Date: Wed, 24 Sep 2025 15:29:35 +0800
From: Jason Wang <jasowang@...hat.com>
To: "Michael S. Tsirkin" <mst@...hat.com>
Cc: linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH net] ptr_ring: drop duplicated tail zeroing code

On Wed, Sep 24, 2025 at 1:27 PM Michael S. Tsirkin <mst@...hat.com> 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
>
> Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
> ---
>

Acked-by: Jason Wang <jasowang@...hat.com>

Thanks