From: Pavel Machek <pavel@ucw.cz>
To: Len Brown <lenb@kernel.org>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>,
sfi-devel@simplefirmware.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC/PATCH 2.6.32] Simple Firmware Interface (SFI): initial support
Date: Mon, 22 Jun 2009 21:43:03 +0200 [thread overview]
Message-ID: <20090622194303.GC2284@ucw.cz> (raw)
In-Reply-To: <alpine.LFD.2.00.0906231438190.23079@localhost.localdomain>
On Tue 2009-06-23 14:41:28, Len Brown wrote:
> 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
It really tells us nothing. I don't think flash got so expensive that
this is justified. ACPI can already do the job, right? and operating
systems already have to support ACPI. So what are the reasons to
reinvent the wheel?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2009-06-24 20:02 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-23 7:13 [RFC/PATCH 2.6.32] Simple Firmware Interface (SFI): initial support Len Brown
2009-06-23 7:13 ` [PATCH 1/8] SFI: Simple Firmware Interface - new Linux sub-system Len Brown
2009-06-23 7:14 ` [PATCH 2/8] SFI: include/linux/sfi.h Len Brown
2009-06-23 7:28 ` Ingo Molnar
2009-06-23 7:47 ` Feng Tang
2009-06-23 8:00 ` Ingo Molnar
2009-06-23 8:02 ` Feng Tang
2009-06-23 8:09 ` Ingo Molnar
2009-06-23 15:14 ` H. Peter Anvin
2009-06-30 21:57 ` Andrew Morton
2009-06-30 21:59 ` Ingo Molnar
2009-06-23 9:06 ` Sam Ravnborg
2009-06-23 15:52 ` Feng Tang
2009-06-23 19:26 ` Sam Ravnborg
2009-06-23 7:14 ` [PATCH 3/8] SFI: core support Len Brown
2009-06-23 7:56 ` Ingo Molnar
2009-06-23 8:32 ` Feng Tang
2009-06-23 9:03 ` Ingo Molnar
2009-06-23 9:15 ` Feng Tang
2009-06-23 17:20 ` Len Brown
2009-06-23 19:20 ` Ingo Molnar
2009-06-23 12:32 ` Andi Kleen
2009-06-23 16:57 ` Len Brown
2009-06-24 3:34 ` Feng Tang
2009-06-24 7:12 ` Andi Kleen
2009-06-24 7:40 ` Feng Tang
2009-06-24 7:55 ` Andi Kleen
2009-06-23 7:14 ` [PATCH 4/8] SFI: Hook boot-time initialization Len Brown
2009-06-23 7:14 ` [PATCH 5/8] SFI: Hook e820 memory map initialization Len Brown
2009-06-23 7:14 ` [PATCH 6/8] SFI: add ACPI extensions Len Brown
2009-06-23 12:18 ` Andi Kleen
2009-06-23 16:51 ` Len Brown
2009-06-23 7:14 ` [PATCH 7/8] SFI, PCI: Hook MMCONFIG Len Brown
2009-06-23 7:14 ` [PATCH 8/8] SFI: expose IO-APIC routines to SFI, not just ACPI Len Brown
2009-06-23 7:58 ` Ingo Molnar
2009-06-23 7:23 ` [PATCH 1/8] SFI: Simple Firmware Interface - new Linux sub-system Ingo Molnar
2009-06-23 18:31 ` [RFC/PATCH 2.6.32] Simple Firmware Interface (SFI): initial support Matthew Garrett
2009-06-23 18:41 ` Len Brown
2009-06-22 19:43 ` Pavel Machek [this message]
2009-06-24 21:13 ` Len Brown
2009-07-11 22:02 ` Pavel Machek
2009-07-13 3:25 ` [SFI-devel] " Peter Stuge
2009-06-23 18:51 ` Matthew Garrett
2009-06-23 20:00 ` Len Brown
2009-06-23 20:23 ` Matthew Garrett
2009-06-23 20:45 ` Matthew Garrett
2009-06-23 21:23 ` Alan Cox
2009-06-23 22:34 ` Len Brown
2009-06-23 22:20 ` Len Brown
2009-06-23 22:56 ` Matthew Garrett
2009-06-23 23:00 ` [SFI-devel] " Justen, Jordan L
2009-06-24 0:35 ` Len Brown
2009-06-23 21:33 ` Len Brown
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