linux-kernel - Re: [PATCH v1 0/3] [RFC] resource, PCI: work around pci=use

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Message-Id: <201003161359.15419.bjorn.helgaas@hp.com>
Date:	Tue, 16 Mar 2010 12:59:14 -0700
From:	Bjorn Helgaas <bjorn.helgaas@...com>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
Cc:	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Yanko Kaneti <yaneti@...lera.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Renninger <trenn@...e.de>, maciej.rutecki@...il.com
Subject: Re: [PATCH v1 0/3] [RFC] resource, PCI: work around pci=use_crs conflicts

On Thursday 11 March 2010 05:01:03 pm Bjorn Helgaas wrote:
> These patches are to fix this pci=use_crs regression:
> 
>     http://bugzilla.kernel.org/show_bug.cgi?id=15480
> 
> The problem is that BIOS reported a PCI host bridge window that overlaps
> system RAM.  This workaround trims the window to avoid the overlap, which
> requires information about the conflicting resource.

Any opinions on these?  Yanko tested them and verified that they
fix the regression above.

Patch [3/3] only improves some debug, so that can wait until next
time around.

Bjorn
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