linux-kernel - Re: [PATCH 5/5] PNP: HP nx6325 fixup: reserve unreported resources

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Message-ID: <AANLkTik7_6Oc6jcjQVVBmJ13LRFMopEg6qEdB43zMMz5@mail.gmail.com>
Date:	Wed, 15 Dec 2010 11:21:42 -0800
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Bjorn Helgaas <bjorn.helgaas@...com>
Cc:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Len Brown <lenb@...nel.org>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, "Rafael J. Wysocki" <rjw@...k.pl>,
	linux-acpi@...r.kernel.org, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, Adam Belay <abelay@....edu>
Subject: Re: [PATCH 5/5] PNP: HP nx6325 fixup: reserve unreported resources

On Wed, Dec 15, 2010 at 10:18 AM, Bjorn Helgaas <bjorn.helgaas@...com> wrote:
>
> So here's my proposal for .37:
>  - Keep the current state of _CRS enabled by default (for 2008
>    and newer machines).
>  - Allocate bottom-up always
>  - Avoid E820 reservations

Sounds sane to me. And yes, the fact that the BIOS tends to allocate
things top-down probably does mean that the whole bottom-up approach
tends to be the safer model.

                          Linus
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