Re: [Qemu-devel] [PATCH] Name the default PCI bus "pci.0" on all architectures

[Paul Brook]

> The system emulators for each arch are using inconsistent
> naming for the default PCI bus "pci" vs "pci.0". Since it
> is conceivable we'll have multiple PCI buses in the future
> standardize on "pci.0" for all architectures. This ensures
> mgmt apps can rely on a name when assigning PCI devices an
> address on the bus using eg '-device e1000,bus=pci.0,addr=3'

No. Bus names are local to the parent device.  None of the host bridges 
support multiple bridges, so the ".0" suffix makes no sense.  The parent 
device has no idea whether it owns the "default" pci bus or not.
If you have multiple PCI busses then you can identify them by the device path.

Paul