linux-kernel - how to enable shadow page table? Do I have to run HVM guest systems for shadow paging mode?

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Message-Id: <20090316150521.855E33400090@usps.crhc.uiuc.edu>
Date:	Mon, 16 Mar 2009 10:05:36 -0500
From:	"Long Wang" <longwang@...c.illinois.edu>
To:	<xen-devel@...ts.xensource.com>
Cc:	"'the arch/x86 maintainers'" <x86@...nel.org>,
	"'Linux Kernel Mailing List'" <linux-kernel@...r.kernel.org>
Subject: how to enable shadow page table? Do I have to run HVM guest systems for shadow paging mode?

I am working on a research project based on Xen 3.3.1. I want to use the
shadow page table for setting guest system memory pages as read-only and/or
dirty, and perform a copy-on-write mechanism when these memory pages are
updated. I heard that auto_translated_physmap is not supported any more. 

Then how can I enable shadow page table? Do I have to run HVM guest systems
to have shadow paging mode? Can I enable shadow paging mode in PV?

I look forward to your help on this problem. Thank you very much,

Sincerely,
Long Wang

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