On 10/05/2016 17:36, Michael S. Tsirkin wrote: >> > Can you explain why requiring the user to specify -device in a sane >> > order isn't good enough? > Because it requires knowledge about the hardware. > For example, how do users know that iommu must come before the devices? > They don't.
Could they "know" it by adding an iommu=foo argument to e.g. the PCI bridge, pointing to the IOMMU device? Paolo
