On Thu, Jun 13, 2024 at 05:05:20PM -0500, Bjorn Helgaas wrote: > It's unfortunate that this requires so much expert knowledge to use, > but I guess we don't really have a good alternative. The only way I > can think of to help would be some kind of white paper or examples in > Documentation/PCI/. So far I am seeing the system supplier supply the appropriate instructions.. It is already this way for set_pci, and yes, it is a huge PITA. At one point Steven Bates was talking about some ACPI tables to give the OS more information but I don't think that went anywhere.. Jason