On Fri, May 15, 2020 at 08:43:51AM -0700, Christoph Hellwig wrote: > Can you please lift the untrusted flag into struct device? It really > isn't a PCI specific concept, and we should not have code poking into > pci_dev all over the iommu code. I suppose that could go in a separate series once other buses need it? The only methods for setting this bit at the moment apply to PCI ports. (ACPI ExternalFacingPort and dt external-facing properties declared by firmware). Thanks, Jean