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    SubjectRe: [RFT] x86 acpi: normalize segment descriptor register on resume
    Date
    On Tuesday, 1 of July 2008, H. Peter Anvin wrote:
    > Ingo Molnar wrote:
    > > * Rafael J. Wysocki <rjw@sisk.pl> wrote:
    > >
    > >> Hi,
    > >>
    > >> The appended patch fixes a regression and is considered as 2.6.26
    > >> material. Everyone having a box with working suspend to RAM is gently
    > >> requested to test it and verify if it doesn't break things.
    > >>
    > >> The patch applies to the current -git.
    > >
    > > it's been under testing in tip/out-of-tree for about a week:
    > >
    > > | commit ee901dc1b9ab94a37ba2efc296fe9ba72bc75adf
    > > | Author: H. Peter Anvin <hpa@zytor.com>
    > > | AuthorDate: Tue Jun 24 23:03:48 2008 +0200
    > > | Commit: Ingo Molnar <mingo@elte.hu>
    > > | CommitDate: Wed Jun 25 18:48:13 2008 +0200
    > > |
    > > | x86 ACPI: normalize segment descriptor register on resume
    > >
    > > no problems caused by it so far.
    > >
    >
    > Here is the incremental patch which should stick "strictly to the
    > script" of ljmp immediately after writing CR0.PE. This should be done
    > to the boot code as well; I'm waiting for confirmation from the Elan
    > original reporter before submitting that patch.
    >
    > I decided to make this an incremental patch to make it bisectable versus
    > the other one, however, it should probably be considered the right thing.
    >
    > Note: I have not tested this beyond compilation, I'm afraid.

    I have tested it on the nx6325 (64-bit) on top of the today's linux-next. It
    works fine for me.

    Thanks,
    Rafael


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