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    SubjectRe: [Patch 1/1] x86 efi: Fill all reserved memmap entries if add_efi_memmap specified.
    On 05/25/2010 03:34 PM, Mike Travis wrote:
    > H. Peter Anvin wrote:
    >> On 05/13/2010 02:55 PM, Mike Travis wrote:
    >>> I saw that too, and wondered why e820_saved did not
    >>> have the extra entries. The comment indicates it
    >>> should.
    >>> I'm on the system tonight and will investigate this
    >>> further.
    >> e820_saved lacks the extra entries because they aren't being passed in
    >> from the bootloader, as they should, and instead you're using
    >> add_efi_memmap which is, as far as the kernel is concerned, a post-boot
    >> modification.
    >> That being said, add_efi_memmap does come from the firmware, and as such
    >> it would be legitimate for it to add them to e820_saved.
    >> -hpa
    > Did this last patch meet expectations?

    I'm concerned about calling sanitize_e820_map() on e820_saved; it is
    supposed to reflect the raw data as reported by the source, and
    sanitizing it would corrupt that.


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