On Sun, Oct 10, 2021 at 07:39:55PM -0700, Andi Kleen wrote: > > > The connection is quite unfortunate IMHO. > > Can't there be an option > > that unbreaks drivers *without* opening up security holes by > > making BIOS shared? > > That would require new low level APIs that distinguish both cases, and a > tree sweep. > > > -Andi Presumably bios code is in arch/x86 and drivers/acpi, right? Up to 200 calls the majority of which is likely private ... I don't have better ideas but the current setup will just result in people making their guests vulnerable whenever they want to allow device pass-through. -- MST