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    SubjectRe: [PATCH 1/1] Add force of use MMCONFIG [try #1]
    FromAndi Kleen <>
    Date26 Jul 2006 17:05:00 +0200
    Linus Torvalds <torvalds@osdl.org> writes:
    
    > On Mon, 24 Jul 2006, Andrew Morton wrote:
    > > 
    > > Why do we want to do this?  Are the ACPI-provided tables incorrect?  If so,
    > > what problems are caused by this?
    > 
    > The ACPI-provided tables are apparently correct, but we sanity-check them 
    > by _also_ requiring that the mmconfig base address is marked "reserved" in 
    > the e820 tables.
    > 
    > The EFI memory maps apparently don't do that "reserved" marking.
    
    We were planning to remove that heuristic anyways because it produced
    far too many false positivies. In fact I think Greg has already 
    done it. Then that patch should be obsolete.
    
    -Andi
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