Re: [RFC/PATCH 2.6.32] Simple Firmware Interface (SFI): initial support

From: Len Brown
Date: Tue Jun 23 2009 - 14:42:33 EST

On Tue, 23 Jun 2009, Matthew Garrett wrote:

> There seems to be a huge amount of overlap between SFI and ACPI.
> Couldn't this have simply taken the form of some additional ACPI tables
> and a decoupling of ACPI enumeration from runtime AML interpretation?
> How final is this spec?

> I realise that we're pretty much constrained to implementing this if
> hardware actually ships with it, but it seems to be an additional
> firmware interface with no real benefit - as far as I can tell it's not
> possible for a platform to meaningfully implement both ACPI and SFI
> without duplicating information?

Please let me know if your questions are not thoroughly answered here:

-Len Brown, Intel Open Source Technology Center

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