From: Andi Kleen <ak@suse.de>
To: Linus Torvalds <torvalds@osdl.org>
Cc: Edgar Hucek <hostmaster@ed-soft.at>,
ebiederm@xmission.com, hpa@zytor.com,
linux-kernel@vger.kernel.org, gregkh@suse.de, akpm@osdl.org
Subject: Re: [PATCH 1/1] Add force of use MMCONFIG [try #1]
Date: 26 Jul 2006 17:05:00 +0200 [thread overview]
Message-ID: <p73k6605rvn.fsf@verdi.suse.de> (raw)
In-Reply-To: <Pine.LNX.4.64.0607242226200.29649@g5.osdl.org>
Linus Torvalds <torvalds@osdl.org> writes:
> On Mon, 24 Jul 2006, Andrew Morton wrote:
> >
> > Why do we want to do this? Are the ACPI-provided tables incorrect? If so,
> > what problems are caused by this?
>
> The ACPI-provided tables are apparently correct, but we sanity-check them
> by _also_ requiring that the mmconfig base address is marked "reserved" in
> the e820 tables.
>
> The EFI memory maps apparently don't do that "reserved" marking.
We were planning to remove that heuristic anyways because it produced
far too many false positivies. In fact I think Greg has already
done it. Then that patch should be obsolete.
-Andi
prev parent reply other threads:[~2006-07-26 15:05 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-26 21:19 [PATCH 1/1] Fix boot on efi 32 bit Machines [try #4] Edgar Hucek
2006-06-26 21:33 ` Linus Torvalds
2006-06-27 6:15 ` Edgar Hucek
2006-06-27 6:20 ` Linus Torvalds
2006-06-28 22:37 ` H. Peter Anvin
2006-07-02 17:39 ` Eric W. Biederman
2006-07-02 17:42 ` H. Peter Anvin
2006-07-02 18:26 ` Eric W. Biederman
2006-07-02 18:46 ` Arjan van de Ven
2006-07-05 9:38 ` Edgar Hucek
2006-07-05 15:52 ` Eric W. Biederman
2006-07-13 21:46 ` Edgar Hucek
2006-07-13 22:15 ` Linus Torvalds
2006-07-14 4:23 ` Eric W. Biederman
2006-07-14 6:22 ` H. Peter Anvin
2006-07-14 6:20 ` Edgar Hucek
2006-07-14 16:09 ` Linus Torvalds
2006-07-16 8:55 ` [PATCH 1/1] Add efi e820 memory mapping on x86 [try #1] Edgar Hucek
2006-07-25 4:29 ` Andrew Morton
2006-07-25 5:17 ` Eric W. Biederman
2006-07-25 5:32 ` Linus Torvalds
2006-07-25 5:34 ` H. Peter Anvin
2006-07-25 5:44 ` Linus Torvalds
2006-07-25 6:26 ` H. Peter Anvin
2006-07-25 6:00 ` Linus Torvalds
2006-07-16 9:00 ` [PATCH 1/1] Add force of use MMCONFIG " Edgar Hucek
2006-07-25 4:33 ` Andrew Morton
2006-07-25 5:27 ` Linus Torvalds
2006-07-26 15:05 ` Andi Kleen [this message]
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