On Fri, Apr 8, 2022 at 2:03 AM Jan Beulich <jbeul...@suse.com> wrote: > > On 07.04.2022 18:31, Jason Andryuk wrote: > > As I understand it, an RMRR is common with USB controllers for > > implementing legacy mouse & keyboard support. The Cannon Point PCH is > > fairly modern, so I'd expect it to use PCI Express. Xen seems to > > identify it as DEV_TYPE_PCI given "PCI" above. It is an integrated > > PCI device, so it has no upstream bridge. Maybe that is why it can > > still be assigned? The "unsupported assignment" is a legacy PCI > > device, behind a bridge, with an RMRR? > > Ah yes - the "behind a bridge" aspect does matter (but I can't > adjust the description of an already committed patch). That's both > for the respective part of the XSA-400 series as well as for the > change here.
Ok. Thank you for confirming. It is captured in the mailing list archive at least. Regards, Jason