[libvirt] [PATCH 09/13] conf: new pci controller model "pcie-switch-upstream-port"

[Laine Stump]

On 06/23/2015 03:07 PM, Alex Williamson wrote:
> I don't think there's anything special about slot 0 for either of those
> bridges, a quick test would verify.  However, we're immediately into
> your case of changing the auto-assignment parameters.  Have we always
> stored the resulting auto-assigned bus addresses for devices so we don't
> suddenly change the location of devices for existing domains? 

Yes. libvirt always stores the bus/slot (and of course function and
domain, which are currently both always 0 in the case of auto-assign)
back in the XML. It has been this way for "a very long time".