Re: [PATCH 3/3] ACPI: Bug compatibility for Windows on the ACPI reboot vector

Rafael J. Wysocki
2010-12-09T22:42:12Z

On Thursday, December 09, 2010, H. Peter Anvin wrote:
> On 12/09/2010 01:46 PM, Matthew Garrett wrote:
> > Windows ignores the bit_offset and bit_width, despite the spec requiring
> > that they be validated. Drop the checks so that we match this behaviour.
> > Windows also goes straight for the keyboard controller if the ACPI reboot
> > fails, so we shouldn't sleep if we're still alive.
> >
> > Signed-off-by: Matthew Garrett<mjg@redhat.com>
>
> Be careful: the goal isn't bug-compatibility with Windows, the goal is
> to work on the maximum number of systems. Bug-compatibility with
> Windows *may* be a way to that goal, but it is not a guarantee, since
> Windows doesn't get validated against older systems that went through
> WHQL under an earlier version of Windows.

Agreed.

Rafael