It has occurred to me that the recent vPCI-related discussion about hidden devices has some relevance also elsewhere. In the course of addressing review comments of what is now patch 1 I then came to notice yet another quirk.
1: VT-d: consider hidden devices when unmapping 2: VT-d: PCI segments are up to 16 bits wide 3: AMD/IOMMU: consider hidden devices when flushing device I/O TLBs Jan
