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SubjectRe: [RFT] x86 acpi: normalize segment descriptor register on resume
On Tue, 1 Jul 2008 09:20:24 +0200 Ingo Molnar <mingo@elte.hu> 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.
>
> The fix is _really_ tempting, but i think it's 2.6.26.1 material at the
> earliest. I just counted about 8 red flag items in that commit:
>
> - "assembly code"
> - "fresh change"
> - "suspend/resume"
> - "real-mode code"
> - "ACPI"
> - "SMM"
> - "CPU erratas"
> - "boot code"
>
> I'd say it's probably 90% fine, but it's just too much risk at this
> stage i think. The regression was only found 2 weeks ago, and the commit
> that broke it was upstream for 2 months (and was under testing for about
> 4 months).

Merge it into 2.6.27-rc1 and add Cc: <stable@kernel.org> to the changelog with
a note "needed in 2.6.26.x after a couple of weeks testing in mainline" or
something like that.

I expect 2.6.25.x will be maintained for a while yet too...


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