[libvirt] [PATCH 2/5] qemu: only check for PIIX3-specific device addrs on pc-* machinetypes

[Paolo Bonzini]

Il 24/07/2013 00:18, Laine Stump ha scritto:
> On Tue, Jul 23, 2013 at 10:44:52AM -0400, Laine Stump wrote:
>> > (Note that, according to the qemuxml2argv-pseries-usb-multi test, ppc
>> > "pseries" machines also have a PIIX3 chip (since that test file adds a
>> > "piix3-uhci" usb controller). I don't know if this is really the case
>> > or not, but had to include that machine type in the checks in order
>> > for make check to succeed with no changes to the test data.)
> 
> Anyone have better information about this? Does the pseries really have
> a PIIX3? Or was that just an arbitrary entry added for a test case?

It's an arbitrary choice---the "piix3-uhci" USB controller is a random
PCI device, it would just work as long as the guest has drivers.  But
"real" non-x86 machines are more likely to have an OHCI controller, and
in fact that's what "-usb" adds by default to the pseries machine.

Paolo