linux-kernel - Re: [PATCH] x86: Construct 32 bit boot time page tables in native format.

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Date:	Wed, 23 Jan 2008 20:52:10 +0000
From:	Ian Campbell <ijc@...lion.org.uk>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Mika Penttilä <mika.penttila@...umbus.fi>,
	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [PATCH] x86: Construct 32 bit boot time page tables in native
	format.


On Tue, 2008-01-22 at 21:36 +0100, Ingo Molnar wrote:
> * H. Peter Anvin <hpa@...or.com> wrote:
> 
> >> Seems reasonable to me. I'll integrate your asm diff with the other 
> >> changes and give it a whirl.
> >
> > This version boots into userspace on both PAE and !PAE.  You want to 
> > take it from here?
> 
> ok, i'll wait for Ian to submit the final (tested) version then. A few 
> possible complications are: PSE-less boxes, 32-bit PAGEALLOC bootups 
> with tons of RAM, NX-less boxes and NX-able boxes :)

FYI, CONFIG_DEBUG_PAGEALLOC+PAE is broken. I'll dig in but it might be
the weekend before I get a chance (there's a beer festival in town ;-)).

Ian.
-- 
Ian Campbell

Flattery will get you everywhere.

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