Linux Virtualization - Apr 2023 - [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

On Mon, Apr 17, 2023 at 4:45?AM Michael S. Tsirkin <mst at redhat.com>
wrote:
>
> 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.
I wonder how hard it is to let virtio support small vring size?

Thanks
>
> --
> MST
>