Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Received-SPF: None (esa1.hc3370-68.iphmx.com: no sender
  authenticity information available from domain of
  ian.jackson@citrix.com) identity=pra;
  client-ip=162.221.158.21; receiver=esa1.hc3370-68.iphmx.com;
  envelope-from="Ian.Jackson@citrix.com";
  x-sender="ian.jackson@citrix.com";
  x-conformance=sidf_compatible
Received-SPF: Pass (esa1.hc3370-68.iphmx.com: domain of
  Ian.Jackson@citrix.com designates 162.221.158.21 as permitted
  sender) identity=mailfrom; client-ip=162.221.158.21;
  receiver=esa1.hc3370-68.iphmx.com;
  envelope-from="Ian.Jackson@citrix.com";
  x-sender="Ian.Jackson@citrix.com";
  x-conformance=sidf_compatible; x-record-type="v=spf1";
  x-record-text="v=spf1 ip4:209.167.231.154 ip4:178.63.86.133
  ip4:195.66.111.40/30 ip4:85.115.9.32/28 ip4:199.102.83.4
  ip4:192.28.146.160 ip4:192.28.146.107 ip4:216.52.6.88
  ip4:216.52.6.188 ip4:162.221.158.21 ip4:162.221.156.83
  ip4:168.245.78.127 ~all"
Received-SPF: None (esa1.hc3370-68.iphmx.com: no sender
  authenticity information available from domain of
  postmaster@mail.citrix.com) identity=helo;
  client-ip=162.221.158.21; receiver=esa1.hc3370-68.iphmx.com;
  envelope-from="Ian.Jackson@citrix.com";
  x-sender="postmaster@mail.citrix.com";
  x-conformance=sidf_compatible
IronPort-SDR: 1Q0rUJbKc0Aoxy3/YvCB1Nq30ZyL1lCn/Ogum4ql1ohORUmPJS6t66tqmdmxlTyTrJVED56ncv
 RSa6FYsjxrBAKDGf5gCSVx+EoVnF8/TtxuMKMhyK7SO91z2Po8g+iNKPGnxf2veWb0T2UyvJKZ
 GIcUZWyTT95kmTDt6XAtj8ggVxEi81jxfQvZ54sKLinF+r5rrSj+lajTHFUcld+u8cmPogmVh/
 O3zUBvCWanxWmgMwVaRFncFFFhm/1/ZxXNvv3ogA0YFdoH+26CZ+fw7aOiqRGv5MVcY6/LKSUQ
 afE=
From:   Ian Jackson <ian.jackson@citrix.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Message-ID: <24188.58071.444694.257081@mariner.uk.xensource.com>
Date:   Thu, 26 Mar 2020 17:13:59 +0000
To:     Roger Pau Monne <roger.pau@citrix.com>
CC:     =?iso-8859-1?Q?J=FCrgen_Gro=DF?= <jgross@suse.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "Boris Ostrovsky" <boris.ostrovsky@oracle.com>,
        Stefano Stabellini <sstabellini@kernel.org>,
        "xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Subject: Re: [PATCH 2/2] xen: enable BALLOON_MEMORY_HOTPLUG by default
In-Reply-To: <20200324151628.GM24458@Air-de-Roger.citrite.net>
References: <20200324150015.50496-1-roger.pau@citrix.com>
        <20200324150015.50496-2-roger.pau@citrix.com>
        <f4ce1d95-c80a-8727-7ddc-9199bb2036c4@suse.com>
        <20200324151628.GM24458@Air-de-Roger.citrite.net>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Roger Pau Monne writes ("Re: [PATCH 2/2] xen: enable BALLOON_MEMORY_HOTPLUG by default"):
> I would rather have it always on if possible, as gntdev or privcmd
> (when used to map foreign pages from user-space) will also require it,
> and they are not gated on XEN_BACKEND AFAICT.

Currently there seem to be problems with this:

http://logs.test-lab.xenproject.org/osstest/logs/149014/test-amd64-amd64-dom0pvh-xl-intel/info.html

For now I have rolled back the change in osstest to enable this option
explicitly.

Ian.