From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gerd Knorr <kraxel@bytesex.org>
Subject: Re: understanding __linear_l2_table and friends
Date: 20 Apr 2005 18:06:23 +0200
Message-ID: <874qe1qvpc.fsf@bytesex.org>
References: <E1DOC4v-0002D8-00@mta1.cl.cam.ac.uk>
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To: Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
Cc: xen-devel@lists.xensource.com, Scott Parish <srparish@us.ibm.com>
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Keir Fraser <Keir.Fraser@cl.cam.ac.uk> writes:

> They aren't actually used during domain building,

Used anywhere else?  Especially __linear_l2_table and
__linear_l3_table?

> Xen uses the common trick whereby each page directory maps
> itself. This means that every page-table entry is mapped into the
> address space at some virtual address.

Well, in PAE mode that trick doesn't fully work.  It will do fine for
the l1 tables, I think also for l2, but certainly not for l3 due to
address space constrains ...

  Gerd

-- 
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