Re: [Qemu-devel] change x86 default machine type to Q35?

[Paolo Bonzini]

On 10/07/2017 09:42, Marcel Apfelbaum wrote:
>>>>
>>>
>>> How about extending the command for supported machines with a
>>> recommended machine type, and teaching libvirt to use that?
>>
>> I don't think QEMU has enough information to decide if it should
>> recommend "q35" or "pc".
> 
> We don't really need a complicated rule set, we would just recommend q35
> by default. Libvirt will try to create the default machine and if fails
> for some reason (what would it be?) it can switch to PC.
> 
> The advanced logic would be "old systems should use PC", where old
> means Windows XP and before and so on. But this logic should appear
> in management layers above.

That would be libosinfo.

Paolo