From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dario Faggioli Subject: Re: [PATCH 1/5 v2] x86: allow specifying the NUMA nodes Dom0 should run on Date: Fri, 6 Mar 2015 10:41:45 +0000 Message-ID: <1425638503.12503.7.camel@citrix.com> References: <54EF315902000078000640FF@mail.emea.novell.com> <54EF3348020000780006413C@mail.emea.novell.com> <54F8803F.3000003@citrix.com> <54F895A80200007800066B3D@mail.emea.novell.com> <54F891EE.2010900@citrix.com> <54F97F1D0200007800066DE4@mail.emea.novell.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1925779409936396643==" Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1YTphT-0002B3-It for xen-devel@lists.xenproject.org; Fri, 06 Mar 2015 10:41:47 +0000 In-Reply-To: <54F97F1D0200007800066DE4@mail.emea.novell.com> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: "JBeulich@suse.com" Cc: "Keir (Xen.org)" , Ian Campbell , Andrew Cooper , "Tim (Xen.org)" , "xen-devel@lists.xenproject.org" , Ian Jackson List-Id: xen-devel@lists.xenproject.org --===============1925779409936396643== Content-Language: en-US Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-XjWa32pNqmx4FoturenS" --=-XjWa32pNqmx4FoturenS Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, 2015-03-06 at 09:19 +0000, Jan Beulich wrote: > ... by introducing a "dom0_nodes" option augmenting the "dom0_mem" and > "dom0_max_vcpus" ones. >=20 > Note that this gives meaning to MEMF_exact_node specified alone (i.e. > implicitly combined with NUMA_NO_NODE): In such a case any node inside > the domain's node mask is acceptable, but no other node. This changed > behavior is (implicitly) being exposed through the memop hypercalls. >=20 > Note further that this change doesn't take care of moving the initrd > image into memory matching Dom0's affinity when the initrd doesn't get > copied (because of being part of the initial mapping) anyway. >=20 > And note finally that this doesn't get us meaningfully closer to > handing vNUMA information to Dom0 (which will require the current > striping of allocations to become node-specific in order for the passed > on information to be meaningful). >=20 > Signed-off-by: Jan Beulich > Acked-by: Ian Campbell > --- > v2: Use MAX_NUMNODES sized array for storing PXMs. Implement relaxed > mode. Minor other cleanup. >=20 Reviewed-by: Dario Faggioli Regards, Dario --=-XjWa32pNqmx4FoturenS 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 v2 iEYEABECAAYFAlT5hGcACgkQk4XaBE3IOsRGXACfUpIil/zVv9y1VuzO+ye4eWKj RWkAoKy2oVajRPZ6WR0nX9t+HZP/F/Wm =ydc9 -----END PGP SIGNATURE----- --=-XjWa32pNqmx4FoturenS-- --===============1925779409936396643== 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 --===============1925779409936396643==--