From: Ivan Kelly <ivan@ivankelly.net>
To: Mark Williamson <mark.williamson@cl.cam.ac.uk>
Cc: Ivan Kelly <ivan@ivankelly.net>, xen-devel@lists.xensource.com
Subject: Re: Guest OS without paging
Date: Wed, 9 Nov 2005 13:31:07 +0000 [thread overview]
Message-ID: <20051109133046.GC5157@localhost.localdomain> (raw)
In-Reply-To: <200511091319.10818.mark.williamson@cl.cam.ac.uk>
On Wed, Nov 09, 2005 at 01:19:10PM +0000, Mark Williamson wrote:
> Out of interest, what exactly does it do with segmentation? Most CPUs don't
> have segmentation hardware at all... I can imagine ways they might have
> overlaid it on the flat memory model without affective other ports though...
> Task isolation? Kernel / user protection?
I haven't looked too deeply into the segmentation, but it's using a GDT so it
is doing something with it. I'll update you when i find out more.
Regards
Ivan
next prev parent reply other threads:[~2005-11-09 13:31 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-07 0:11 Guest OS without paging Ivan Kelly
2005-11-07 2:19 ` Mark Williamson
2005-11-07 10:56 ` Ivan Kelly
2005-11-07 13:53 ` Gabriel Gonzalez
2005-11-07 14:25 ` Mark Williamson
2005-11-07 17:06 ` Ivan Kelly
2005-11-07 17:26 ` Mark Williamson
2005-11-07 18:54 ` Ivan Kelly
2005-11-08 2:18 ` Mark Williamson
2005-11-09 13:19 ` Mark Williamson
2005-11-09 13:31 ` Ivan Kelly [this message]
2005-11-09 13:28 ` Mark Williamson
-- strict thread matches above, loose matches on Subject: below --
2005-11-07 19:48 Kamble, Nitin A
2005-11-07 20:05 ` Ivan Kelly
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