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    SubjectRe: 2.6.39.1 immediately reboots/resets on EFI system
    On Wed, Jun 08, 2011 at 01:46:45PM -0700, Yinghai Lu wrote:
    > On 06/08/2011 01:42 PM, Matthew Garrett wrote:
    > > On Wed, Jun 08, 2011 at 01:36:57PM -0700, Yinghai Lu wrote:
    > >
    > >> or just let bootloader to mark those boot services just like run-time services in e820 table or setupdata?
    > >
    > > That was my original approach, but if there's boot services code at the
    > > top of RAM it means that max_pfn is wrong and it's difficult to recover
    > > the memory.
    >
    > not all boot services ram. just those are called by run-time services code.

    We have no way of telling which regions those are until they've been
    called.

    --
    Matthew Garrett | mjg59@srcf.ucam.org


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