linux-kernel - Re: [PATCH] reserve end-of-conventional-memory to 1MB on 32-bit v2

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Date:	Tue, 04 Mar 2008 15:16:12 +0000
From:	Mark McLoughlin <markmc@...hat.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Alexander van Heukelum <heukelum@...lshack.com>,
	Ian Campbell <ijc@...lion.org.uk>,
	Alexander van Heukelum <heukelum@...tmail.fm>,
	"H. Peter Anvin" <hpa@...or.com>, Andi Kleen <ak@...e.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] reserve end-of-conventional-memory to 1MB on 32-bit v2

On Tue, 2008-03-04 at 15:49 +0100, Ingo Molnar wrote:
> * Mark McLoughlin <markmc@...hat.com> wrote:
> 
> > > This is the second attempt at a i386-version of the ebda patch. I 
> > > hope that one of the Xen people will be able to check that this does 
> > > not break their setups, but I think it will be fine after their 
> > > patch to exclude the 0x9f000- 0x100000 area explicitly in their 
> > > setup.
> > 
> > Confirmed that with Ian's e820 map patch and your patch, Xen DomU 
> > boots fine.
> 
> hm, for now i've only got the patch below queued up for v2.6.25.
> 
> Could you check whether just the patch below ontop of -rc3-ish upstream 
> solves the problem too? The EBDA patch would be a bit risky now - it's 
> queued up for v2.6.26 at the moment.

Sorry, perhaps I wasn't clear.

Ian's patch to add a hole in the e820 map fixes the problem without any
other patch.

I was just confirming to Alexander that his EBDA patch didn't break
anything further.

Thanks,
Mark.

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