linux-kernel - Re: [PATCH 01/12] x86_64: Allow fixmaps to be used with the initial page table.

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Message-Id: <200704301823.11150.ak@suse.de>
Date:	Mon, 30 Apr 2007 18:23:10 +0200
From:	Andi Kleen <ak@...e.de>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	virtualization <virtualization@...ts.linux-foundation.org>,
	linux-kernel@...r.kernel.org, "H. Peter Anvin" <hpa@...or.com>,
	Dave Jones <davej@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jeremy Fitzhardinge <jeremy@...p.org>
Subject: Re: [PATCH 01/12] x86_64: Allow fixmaps to be used with the initial page table.

On Monday 30 April 2007 17:48:13 Eric W. Biederman wrote:
> 
> This patch preallocates the intermediate page table entries so that
> all that is needed to setup a fixmap is to fill in the appropriate
> pte.
> 
> By doing this modern hardware that uses memory mapped access can be
> talked to early in boot through a fixmap. 

I'll take 1-4 after the .22 merge; a little too experimental right now

-Andi

>
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