linux-kernel - Re: [PATCH] Update MMCONFIG resource insertion to check against e820 map.

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Message-ID: <b6a2187b0611080651tf0313dfp706ec15b8b7776e7@mail.gmail.com>
Date:	Wed, 8 Nov 2006 22:51:06 +0800
From:	"Jeff Chua" <jeff.chua.linux@...il.com>
To:	"Andi Kleen" <ak@...e.de>
Cc:	"Aaron Durbin" <adurbin@...gle.com>, linux-kernel@...r.kernel.org,
	"Matthew Wilcox" <matthew@....cx>, discuss@...-64.org
Subject: Re: [PATCH] Update MMCONFIG resource insertion to check against e820 map.

On 11/8/06, Andi Kleen <ak@...e.de> wrote:
> On Tuesday 07 November 2006 21:49, Aaron Durbin wrote:
> > Check to see if MMCONFIG region is marked as reserved in the e820 map
> > before inserting the MMCONFIG region into the resource map. If the region
> > is not entirely marked as reserved in the e820 map attempt to find a region
> > that is. Only insert the MMCONFIG region into the resource map if there was
> > a region found marked as reserved in the e820 map.  This should fix a known
> > regression in 2.6.19 by not reserving all of the I/O space on misconfigured
> > systems.
>
> Jeff, did this fix your problem?

Yes, it did. I can only verify that x86 32-bit tg3 is working nicely now.

Thanks to all who helped!

Jeff.
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