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

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Date:	Tue, 23 Jun 2009 14:41:28 -0400 (EDT)
From:	Len Brown <lenb@...nel.org>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	sfi-devel@...plefirmware.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC/PATCH 2.6.32] Simple Firmware Interface (SFI): initial support

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:
http://simplefirmware.org/faq

thanks,
-Len Brown, Intel Open Source Technology Center

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