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

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Message-ID: <20080122204539.GC12892@elte.hu>
Date:	Tue, 22 Jan 2008 21:45:39 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Ian Campbell <ijc@...lion.org.uk>,
	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.


* H. Peter Anvin <hpa@...or.com> wrote:

>> 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 :)
>
> PSE-less should be less of an issue than making sure we switch to 
> using large pages where appropriate, and enable the PGE and NX bits 
> where appropriate.

yeah - and that would be the right point to enable gigapages as well - 
once we have all this stuff consolidated and unified from grounds up.

	Ingo
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