Subject: Re: [PATCH 5/6] vdpa: introduce virtio pci driver

From: "Michael S. Tsirkin" <[email-masked]>
Date: Sun, 7 Jun 2020 09:51:52 -0400

On Fri, Jun 05, 2020 at 04:54:17PM +0800, Jason Wang wrote:
> 
> On 2020/6/2 下午3:08, Jason Wang wrote:
> > > 
> > > > +static const struct pci_device_id vp_vdpa_id_table[] = {
> > > > +    { PCI_DEVICE(PCI_VENDOR_ID_REDHAT_QUMRANET, PCI_ANY_ID) },
> > > > +    { 0 }
> > > > +};
> > > This looks like it'll create a mess with either virtio pci
> > > or vdpa being loaded at random. Maybe just don't specify
> > > any IDs for now. Down the road we could get a
> > > distinct vendor ID or a range of device IDs for this.
> > 
> > 
> > Right, will do.
> > 
> > Thanks
> 
> 
> Rethink about this. If we don't specify any ID, the binding won't work.

We can bind manually. It's not really for production anyway, so
not a big deal imho.

> How about using a dedicated subsystem vendor id for this?
> 
> Thanks

If virtio vendor id is used then standard driver is expected
to bind, right? Maybe use a dedicated vendor id?

-- 
MST