On 03.05.2012, at 11:05, Paolo Bonzini wrote:

>>> The usual old fix was to not even compile them in. Why are they in
>>> the alias list in the s390 build now?
>> Because the alias list is in target-independent code.
>> The old fix was brittle anyway, it dependent on the fact that
>> virtio-blk-pci was not part of libhw.  A similar trick broke for
>> cirrus-vga when it became part of libhw.
>> Christian fix is correct.
> Uhm, Christian fix would have the same problem actually if
> virtio-*-pci were to be moved in libhw.  IIRC I proposed the
> same change on review and Anthony nacked it on these grounds.
> You could move the alias list to target-dependent code, though.

Can't we just make the virtio-*-pci variants fail instantiation and based on 
that search the list on?


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