Re: [RFC PATCH] PCI MMCONFIG: add validation against ACPI motherboard resources

Alan Cox
2007-05-23T21:33:21Z

> One of the reasons why hardware vendors want to move away from
> traditional accesses is to be able to use the larger config space in
> PCI-Express, rather than being locked into the 256-byte legacy PCI
> config space.

Mostly for treacherous computing extensions where subsets of the config
space can only be accessed by signed machines blessed by your favourite
movie company and video card vendor...

> Expect that to change, as MS shakes out the bugs (or maybe we are doing
> their job for them?).

The longer it takes - the better.

Alan