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Re: [Xen-devel] any plans to sopport virtio-serial ?

  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: Prasad B <pb0842@xxxxxxxxx>
  • Date: Thu, 3 Feb 2011 19:05:42 -0800
  • Delivery-date: Thu, 03 Feb 2011 19:06:41 -0800
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On Wed, 2010-11-24, Stefano Stabellini wrote:


>> Another option would be to just use the pci backend.  As I understand it 

>> nowdays pci is available even in pv guests for pci device passthrough, 

>> so in theory this should work fine for both pv and hvm guests ...


> For PV guests the pci bus is only available through the pcifront driver, 
> it wouldn't interact with qemu at all. But it should work fine for PV on 

> HVM guests.
We are exploring the usage of virtio in PV guests (for MIPS architecture) and stumbled upon the above comment by Stefano. Is it inherently difficult to make PV guests talk to qemu (at least in the PCI context) or is it just that it has not been attempted ?

Prasad.
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