On Wed, 2019-06-12 at 08:27 -0500, Bjorn Helgaas wrote: > Speaking of which, *this* patch looks like FUD because it essentially > says "Linux shouldn't change the PCI configuration on this system" but > it offers no explanation of *why* the config needs to be preserved. I > would really like some note like "run-time firmware depends on the > addresses of device X". BTW. the patch doesn't say that. ACPI tells us that :-) Cheers Ben.