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SubjectRe: [RFT] x86 acpi: normalize segment descriptor register on resume
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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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