Re: [Alacrityvm-devel] [PATCH v3 3/6] vbus: add a "vbus-proxy" bus model for vbus_driver objects

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On Wed, 2009-08-19 at 19:38 +0300, Avi Kivity wrote:
> On 08/19/2009 07:29 PM, Ira W. Snyder wrote:
> >
> >    
> >> virtio-$yourhardware or maybe virtio-dma
> >>
> >>      
> > How about virtio-phys?
> >    
> 
> Could work.
> 
> > Arnd and BenH are both looking at PPC systems (similar to mine). Grant
> > Likely is looking at talking to an processor core running on an FPGA,
> > IIRC. Most of the code can be shared, very little should need to be
> > board-specific, I hope.
> >    
> 
> Excellent.
> 
> >>> That said, I'm not sure how qemu-system-ppc running on x86 could
> >>> possibly communicate using virtio-net. This would mean the guest is an
> >>> emulated big-endian PPC, while the host is a little-endian x86. I
> >>> haven't actually tested this situation, so perhaps I am wrong.
> >>>
> >>>        
> >> I'm confused now.  You don't actually have any guest, do you, so why
> >> would you run qemu at all?
> >>
> >>      
> > I do not run qemu. I am just stating a problem with virtio-net that I
> > noticed. This is just so someone more knowledgeable can be aware of the
> > problem.
> >
> >    
> 
> Ah, it certainly doesn't byteswap.  Maybe nobody tried it.  Hollis?

I've never tried it. I've only used virtio with matching guest/host
architectures.

-- 
Hollis Blanchard
IBM Linux Technology Center

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