From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Long Wang <longwang@crhc.illinois.edu>
Cc: Xen-devel <xen-devel@lists.xensource.com>,
Tim Deegan <Tim.Deegan@citrix.com>
Subject: Re: how to enable shadow page table? Do I have to run HVM guest systems for shadow paging mode?
Date: Mon, 16 Mar 2009 09:30:12 -0700 [thread overview]
Message-ID: <49BE7E94.3020401@goop.org> (raw)
In-Reply-To: <20090316161757.EF9173400090@usps.crhc.uiuc.edu>
Long Wang wrote:
> 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.
>
Yes, auto_translated_physmap is not supported by Xen or by the pvops
guest kernels.
> 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?
>
Well, Xen supports log-dirty mode for doing live migration of PV guests,
which looks to be what you're describing above. You might want to look
into the existing live migration machinery to see if it meets your needs.
J
next parent reply other threads:[~2009-03-16 16:30 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20090316161757.EF9173400090@usps.crhc.uiuc.edu>
2009-03-16 16:30 ` Jeremy Fitzhardinge [this message]
2009-03-16 17:41 ` how to enable shadow page table? Do I have to run HVM guest systems for shadow paging mode? Tim Deegan
2009-03-16 17:57 ` Dan Magenheimer
2009-03-17 9:26 ` Tim Deegan
[not found] ` <9cf1a529733d7f0238e125e90fa7d3ee.squirrel@webmail.crhc.illinois.edu>
2009-03-17 9:34 ` Tim Deegan
[not found] ` <20090319050313.CAEF93400095@usps.crhc.uiuc.edu>
2009-03-19 9:51 ` Re: how to enable shadow page table? Do I have torun " Tim Deegan
[not found] ` <20090319155501.AEF743400095@usps.crhc.uiuc.edu>
2009-03-19 16:16 ` Re: how to enable shadow page table? Do I havetorun " Tim Deegan
[not found] ` <20090319163953.9F7A43400095@usps.crhc.uiuc.edu>
2009-03-19 17:38 ` Re: how to enable shadow page table? Do Ihavetorun " Tim Deegan
2016-07-29 21:43 ` how to enable shadow page table? Do I have to run " Alina
2009-03-16 14:20 [Xen-devel] Re: tip.git regression from "vsprintf: unify the format decoding layer for its 3 users" Jeremy Fitzhardinge
2009-03-16 15:05 ` how to enable shadow page table? Do I have to run HVM guest systems for shadow paging mode? Long Wang
2009-03-16 15:05 ` Long Wang
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=49BE7E94.3020401@goop.org \
--to=jeremy@goop.org \
--cc=Tim.Deegan@citrix.com \
--cc=longwang@crhc.illinois.edu \
--cc=xen-devel@lists.xensource.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.