From: Dave McCracken <dcm@mccr.org>
To: Mick.Jordan@sun.com
Cc: Xen Developers List <xen-devel@lists.xensource.com>
Subject: Re: Design question for PV superpage support
Date: Mon, 2 Mar 2009 13:14:33 -0600 [thread overview]
Message-ID: <200903021314.34075.dcm@mccr.org> (raw)
In-Reply-To: <49AC220E.9030000@Sun.COM>
On Monday 02 March 2009, Mick Jordan wrote:
> Ok. So I want to re-iterate my question from a previous post. After the
> patch allowing mixed mappings, what exactly went wrong on save/restore.
> And would my special case of 1-1 physival/virtual mappings with
> additional 2MB VM mappings adddress after domain start suffer in that case?
My understanding of save/restore is that it will save your carefully selected
2M pages, cheerfully restore them onto a random set of mfns, then expect your
guest to continue running. I haven't studied it enough to know whether your
guest at least gets a chance to intervene and fix things after the restore.
Dave McCracken
Oracle Corp.
next prev parent reply other threads:[~2009-03-02 19:14 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-02 13:54 Design question for PV superpage support Dave McCracken
2009-03-02 13:58 ` Keir Fraser
2009-03-02 16:43 ` Mick Jordan
2009-03-02 17:06 ` Keir Fraser
2009-03-02 18:02 ` Mick Jordan
2009-03-02 17:29 ` Dave McCracken
2009-03-02 17:52 ` Keir Fraser
2009-03-02 18:03 ` Dan Magenheimer
2009-03-02 18:30 ` Keir Fraser
2009-03-02 18:46 ` Mick Jordan
2009-03-02 18:48 ` Dan Magenheimer
2009-03-02 19:04 ` Keir Fraser
2009-03-02 17:45 ` Mick Jordan
2009-03-02 17:54 ` Keir Fraser
2009-03-02 18:00 ` Dave McCracken
2009-03-02 18:14 ` Mick Jordan
2009-03-02 19:14 ` Dave McCracken [this message]
2009-03-03 1:37 ` Jeremy Fitzhardinge
2009-03-03 3:59 ` Mick Jordan
2009-03-03 14:33 ` Dan Magenheimer
2009-03-03 17:06 ` Mick Jordan
2009-03-03 17:23 ` Jeremy Fitzhardinge
2009-03-03 18:10 ` Keir Fraser
2009-03-03 17:28 ` Jeremy Fitzhardinge
2009-03-03 18:09 ` Dan Magenheimer
2009-03-03 17:26 ` Jeremy Fitzhardinge
2009-03-03 1:32 ` Jeremy Fitzhardinge
2009-03-03 1:15 ` Jeremy Fitzhardinge
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