Re: [net-next v2 1/1] virtual-bus: Implementation of Virtual Bus

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On Tue, Nov 19, 2019 at 01:58:42PM -0500, Michael S. Tsirkin wrote:
> On Tue, Nov 19, 2019 at 12:46:32PM -0400, Jason Gunthorpe wrote:
> > As always, this is all very hard to tell without actually seeing real
> > accelerated drivers implement this. 
> > 
> > Your patch series might be a bit premature in this regard.
> 
> Actually drivers implementing this have been posted, haven't they?
> See e.g. https://lwn.net/Articles/804379/

Is that a real driver? It looks like another example quality
thing. 

For instance why do we need any of this if it has '#define
IFCVF_MDEV_LIMIT 1' ?

Surely for this HW just use vfio over the entire PCI function and be
done with it?

Jason



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