From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dario Faggioli <dario.faggioli@citrix.com>
Subject: Re: [PATCH 2/3] xen: Have schedulers revise initial
	placement
Date: Fri, 5 Aug 2016 16:09:25 +0200
Message-ID: <1470406165.9623.15.camel@citrix.com>
References: <1468605722-24239-1-git-send-email-george.dunlap@citrix.com>
 <1468605722-24239-2-git-send-email-george.dunlap@citrix.com>
 <579F434B0200007800101346@prv-mh.provo.novell.com>
 <1470054737.3311.0.camel@citrix.com>
 <57A4AFA70200007800103367@prv-mh.provo.novell.com>
Mime-Version: 1.0
Content-Type: multipart/mixed; boundary="===============8032056410879555043=="
Return-path: <xen-devel-bounces@lists.xen.org>
Received: from mail6.bemta5.messagelabs.com ([195.245.231.135])
 by lists.xenproject.org with esmtp (Exim 4.84_2)
 (envelope-from <prvs=0188bdc94=dario.faggioli@citrix.com>)
 id 1bVfpA-0008K2-7D
 for xen-devel@lists.xenproject.org; Fri, 05 Aug 2016 14:10:08 +0000
In-Reply-To: <57A4AFA70200007800103367@prv-mh.provo.novell.com>
List-Unsubscribe: <https://lists.xen.org/cgi-bin/mailman/options/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xen.org>
List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help>
List-Subscribe: <https://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Errors-To: xen-devel-bounces@lists.xen.org
Sender: "Xen-devel" <xen-devel-bounces@lists.xen.org>
To: Jan Beulich <JBeulich@suse.com>, George Dunlap <george.dunlap@citrix.com>
Cc: xen-devel@lists.xenproject.org, Anshul Makkar <anshul.makkar@citrix.com>, MengXu <mengxu@cis.upenn.edu>
List-Id: xen-devel@lists.xenproject.org

--===============8032056410879555043==
Content-Type: multipart/signed; micalg=pgp-sha256;
	protocol="application/pgp-signature"; boundary="=-LHKSrj4Iec8I5DaOGovS"

--=-LHKSrj4Iec8I5DaOGovS
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

On Fri, 2016-08-05 at 07:24 -0600, Jan Beulich wrote:
> > > > On 01.08.16 at 14:32, <dario.faggioli@citrix.com> wrote:
> > On Mon, 2016-08-01 at 04:40 -0600, Jan Beulich wrote:
> > > > > > On 15.07.16 at 20:02, <george.dunlap@citrix.com> wrote:
> > > > Signed-off-by: George Dunlap <george.dunlap@citrix.com>
> > > Should this and patch 3 be backported?
> > >=20
> > Yes, I think they're good backporting candidates.
> Well, they appear to work fine on 4.7, but putting them onto 4.5
> causes an early boot crash (BUG_ON( cpu !=3D svc->vcpu->processor )
> in __runq_insert()). Pulling in e59321d154 ("credit: remove cpu
> argument to __runq_insert()") obviously makes that crash go
> away, just to, a little later, hit the similar one close to the top
> of
> csched_load_balance().
>=20
Ah, I see.. Thanks for trying and letting us know.

> I'd really like to have those backported, but I have to ask one
> of you to identify which prereq-s are needed on 4.6 and 4.5
> (I'll revert them from 4.5 right away, but I'll wait for an osstest
> flight to confirm the same issue exists on 4.6). On 4.5 I'd then
> additionally depend on you to indicate whether sedf needs
> some additional adjustment.
>=20
Ok. I can't, immediately.

But if Monday is fine, I'm happy to take care of this.

Dario
--=20
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)


--=-LHKSrj4Iec8I5DaOGovS
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
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=Lxv4
-----END PGP SIGNATURE-----

--=-LHKSrj4Iec8I5DaOGovS--


--===============8032056410879555043==
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: base64
Content-Disposition: inline

X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVs
IG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5v
cmcveGVuLWRldmVsCg==

--===============8032056410879555043==--