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Re: [Xen-devel] [PATCH] Paging and memory sharing for HVM guests

from [Patrick Colp] [Permanent Link][Original]
To: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] Paging and memory sharing for HVM guests
From: Patrick Colp <pjcolp@xxxxxxxxx>
Date: Fri, 18 Dec 2009 10:51:35 -0800
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>, Grzegorz Milos <gm281@xxxxxxxxx>, Andrew Peace <Andrew.Peace@xxxxxxxxxxxxx>
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Dan Magenheimer wrote:

Does live migration work (reliably) when pages have been
swapped out?


Never got an answer on this.  If the answer is NO or
not yet (and not likely in time for 4.0), I'd suggest
that a domain that enables page sharing should also
automagically turn on the "no_migrate" flag.
This is probably the safe thing to do for now, until further testing can be done (and in the case of the swapper, a more mature tool developed). 


Patrick

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