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

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Message-ID: <20080304161510.GB13696@elte.hu>
Date:	Tue, 4 Mar 2008 17:15:10 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Mark McLoughlin <markmc@...hat.com>,
	Ian Campbell <ijc@...lion.org.uk>,
	"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>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC] use realmode code to reserve end-of-conventional-memory
	to 1MB


* Jeremy Fitzhardinge <jeremy@...p.org> wrote:

> Ingo Molnar wrote:
>>> I think it was a side effect of all the early_ioremap work, which changed 
>>> the order in which things happened at boot time.
>>>     
>>
>> which commits do you mean in particular?
>
> Good question.  It might have been cpa as well.  I'd have to look 
> through to confirm the theory, but I think Xen got broken for other 
> reasons around there, so simple bisect wouldn't be enough to identify 
> the problem.

i'm trying to do bug forensics to figure out where we broke Xen - i 
really have the feeling that there could be other side-effects of 
whatever change caused this.

	Ingo
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