netdev - Re: [PATCH net] virtio-net: reject small vring sizes

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Date:   Sun, 16 Apr 2023 16:45:22 -0400
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     Alvaro Karsz <alvaro.karsz@...id-run.com>
Cc:     "jasowang@...hat.com" <jasowang@...hat.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "virtualization@...ts.linux-foundation.org" 
        <virtualization@...ts.linux-foundation.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net] virtio-net: reject small vring sizes

On Sun, Apr 16, 2023 at 04:54:57PM +0000, Alvaro Karsz wrote:
> After further consideration, other virtio drivers need a minimum limit to the vring size too.
> 
> Maybe this can be more general, for example a new virtio_driver callback that is called (if implemented) during virtio_dev_probe, before drv->probe.
> 
> What do you think?
> 
> Thanks,
> Alvaro

Let's start with what you did here, when more than 2 drivers do it we'll
move it to core.

-- 
MST