On Wed, Feb 14, 2018 at 10:06:22AM +0100, Rafael J. Wysocki wrote:
> > Does this work in Windows and if yes, why we can't do the the same in Linux
> > without any sort of hacks and/or quirks?
>
> Of course it works on Windows.
>
> The underlying issue is that the platform firmware expects Linux to
> behave like Windows, presumably because Linux says "yes" to
> _OSI("Windows <something>"), and it fails to work, because Linux
> doesn't behave as expected by it.
>
> Theoretically, it should be possible to make Linux behave like Windows
> in that particular respect, but (a) there may be missing pieces that
> we have no access to (like some secret documentation or similar) and
> (b) it is unclear how much time that would take even if everything was
> known.
>
> However, the platforms in question are (or shortly will be) shipping
> and Linux quite promptly doesn't work with them.
>
> So the idea is to make a the firmware ask the kernel for a hint on
> whether or not it should adjust its behavior for a particular
> difference in behavior between Linux and Windows.
Makes sense. Thanks for the explanation!
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