linux-kernel - Re: [RFC] use realmode code to reserve end-of-conventional-memory to 1MB

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Message-ID: <20080229200012.GC21494@elte.hu>
Date:	Fri, 29 Feb 2008 21:00:12 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Ian Campbell <ijc@...lion.org.uk>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Alexander van Heukelum <heukelum@...lshack.com>,
	Alexander van Heukelum <heukelum@...tmail.fm>,
	Andi Kleen <ak@...e.de>, Thomas Gleixner <tglx@...utronix.de>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Mark McLoughlin <markmc@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC] use realmode code to reserve end-of-conventional-memory
	to 1MB


* Ian Campbell <ijc@...lion.org.uk> wrote:

> Agreed, I think it's pure luck that Xen kernels have gotten away with 
> it in the past.
> 
> The patch below seems like the right thing to do. It certainly boots 
> in a domU without the DMI problem (without any of the other related 
> patches such as Alexander's).
> 
> However ddcprobe hangs when run -- need to investigate some more, vm86 
> in general works ok (i.e. my vm86 test code passes).

looks good to me - please resend with a note to add it to x86.git once 
you are happy with it. Seems like 2.6.25 material as well.

	Ingo
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