Re: [PATCH 10/10] x86, ACPI: default to reboot via ACPI (again)

Ingo Molnar
2008-11-10T12:57:13Z

* Matthew Garrett <mjg@redhat.com> wrote:

> On Mon, Nov 10, 2008 at 09:39:38AM +0100, Ingo Molnar wrote:
>
> > so, the sequence should be:
> >
> > [ acpi if date > 2007 ] -> kbd -> triple fault
>
> No. We should find out which versions of Windows use the ACPI boot
> mechanism and then
>
> [ acpi if firmware indicates Vista support ] -> whatever
>
> or something. Microsoft appear to have moved away from using date
> cutoffs for anything other than whether or not to enable ACPI in the
> first place, and we ought to attempt compatibility with them.

okay, that's fine to me too. My main point is that we need something
nuanced this time around (be it a string check or a cutoff) - not the
"enable again" patch that i saw in the ACPI tree and which i had to
NAK.

Ingo