From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dario Faggioli Subject: Re: [PATCH 2 of 2 RFC] xl: allow for moving the domain's memory when changing vcpu affinity Date: Fri, 06 Jul 2012 16:05:50 +0200 Message-ID: <1341583550.15708.47.camel@Abyss> References: <89aba27edf62271a4862.1341568445@Solace> <4FF6DFE5.7060403@eu.citrix.com> <1341581104.32747.43.camel@zakaz.uk.xensource.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============5975491130254888270==" Return-path: In-Reply-To: <1341581104.32747.43.camel@zakaz.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Ian Campbell Cc: George Dunlap , "Zhang, Yang Z" , Ian Jackson , Andre Przywara , xen-devel List-Id: xen-devel@lists.xenproject.org --===============5975491130254888270== Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-MK3ZFjm9MEYD44AbgzgD" --=-MK3ZFjm9MEYD44AbgzgD Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, 2012-07-06 at 14:25 +0100, Ian Campbell wrote:=20 > We could do something cleverer for HVM (or hybrid) guests to migrate > pages while the guest is live but migrating a page under a PV guest's > feet requires quiescing it in the style of a migrate. >=20 Which, as we're talking about the same host, means reaching a point where I have two full copies of the guest memory in RAM, or not? (Just trying to figure out if I understood things sensibly). > We could probably manage to make it such that you just need the > pause/frob/unpause phases without actually writing RAM to disk,=20 > Of course, that was in my e-mail too (it's about the above that I'm not 100% sure...). > and that > infrastructure might be useful for other reasons I suppose.=20 > Definitely. Thanks and Regards, Dario --=20 <> (Raistlin Majere) ----------------------------------------------------------------- Dario Faggioli, Ph.D, http://retis.sssup.it/people/faggioli Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK) --=-MK3ZFjm9MEYD44AbgzgD Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iEYEABECAAYFAk/28L4ACgkQk4XaBE3IOsSmbQCcCY/cdUasM1WtkO9GtQhdBuIL foIAn22xVZNdZOvi0d25bJf41NcVEPev =Vdv2 -----END PGP SIGNATURE----- --=-MK3ZFjm9MEYD44AbgzgD-- --===============5975491130254888270== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel --===============5975491130254888270==--