Re: [Qemu-devel] [PATCH RFC] docs: add PCIe devices placement guidelines

[Gerd Hoffmann]

  Hi,

> > Good point, maybe libvirt can avoid adding switches unless the user
> > explicitly
> > asked for them. I checked and it a actually works fine in QEMU.

> So, *is* there any downside to doing this?

I don't think so.

The only issue I can think of when it comes to multifunction is hotplug,
because hotplug works at slot level in pci so you can't hotplug single
functions.

But as you can't hotplug the root ports in the first place this is
nothing we have to worry about in this specific case.

cheers,
  Gerd