[libvirt] [PATCH v6 13/17] [ACKED] qemu: add a USB3 controller to Q35 domains by default

[Andrea Bolognani]

On Mon, 2016-11-07 at 14:50 -0500, Laine Stump wrote:
> Previously we added a set of EHCI+UHCI controllers to Q35 machines to
> mimic real hardware as closely as possible, but recent discussions
> have pointed out that the nec-usb-xhci (USB3) controller is much more
> virtualization-friendly (uses less CPU), so this patch switches the
> default for Q35 machinetypes to add an XHCI instead (if it's
> supported, which it of course *will* be).
> 
> Since none of the existing test cases left out USB controllers in the
> input XML, a new Q35 test case was added which has *no* devices, so
> ends up with only the defaults always put in by qemu, plus those added
> by libvirt.

We should probably have added that test case a while ago :)


ACK

-- 
Andrea Bolognani / Red Hat / Virtualization