From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:44571) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S7qC2-0003XS-T4 for qemu-devel@nongnu.org; Wed, 14 Mar 2012 11:32:56 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S7qBw-0003uS-6g for qemu-devel@nongnu.org; Wed, 14 Mar 2012 11:32:50 -0400 Received: from mail-pz0-f47.google.com ([209.85.210.47]:53358) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S7qBw-0003uI-0Z for qemu-devel@nongnu.org; Wed, 14 Mar 2012 11:32:44 -0400 Received: by dado14 with SMTP id o14so3291939dad.34 for ; Wed, 14 Mar 2012 08:32:42 -0700 (PDT) Message-ID: <4F60BA15.90506@codemonkey.ws> Date: Wed, 14 Mar 2012 10:32:37 -0500 From: Anthony Liguori MIME-Version: 1.0 References: <1329347774-23262-1-git-send-email-imammedo@redhat.com> <1329347774-23262-3-git-send-email-imammedo@redhat.com> <4F3CF010.1040607@siemens.com> <4F3CFBBB.5020600@codemonkey.ws> <4F5F141F.8080202@cn.fujitsu.com> <4F5F29CE.70806@suse.de> <4F604FF9.8010403@cn.fujitsu.com> <4F6058BE.4060403@redhat.com> <20120314134959.GC14227@dhcp-192-168-178-175.profitbricks.localdomain> <20120314152324.GF2304@redhat.com> In-Reply-To: <20120314152324.GF2304@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 2/7] Convert pc cpu to qdev List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gleb Natapov Cc: Lai Jiangshan , Jan Kiszka , "qemu-devel@nongnu.org" , Vasilis Liaskovitis , Igor Mammedov , =?ISO-8859-1?Q?Andreas_F=E4rber?= On 03/14/2012 10:23 AM, Gleb Natapov wrote: > On Wed, Mar 14, 2012 at 02:49:59PM +0100, Vasilis Liaskovitis wrote: >> Hi, >> >> On Wed, Mar 14, 2012 at 09:37:18AM +0100, Igor Mammedov wrote: >>> On 03/14/2012 08:59 AM, Lai Jiangshan wrote: >>>> not accepted, so I don't know how to take part in. >>> >>> As I see it, there is not much to do from cpu hot-plug perspective. >>> It's just a matter of adaptation QOM-ified cpus for usage from >>> qdev device_add, and I'm working on it. >>> However, there is a lot to be done in cpu unplug area: >>> - host side: there is unaccepted patches to destroy vcpu >>> during VM-lifecycle. They are still need to be worked on: >>> "[Qemu-devel] [PATCH 0] A series patches for kvm&qemu to enable vcpu destruction in kvm" >>> - linux guest side: kernel can receive ACPI request to unplug cpu, >>> but does nothing with it (last time I've tested it with 3.2 kernel), >>> You might wish to look at following mail threads: >>> https://lkml.org/lkml/2011/9/30/18 >>> http://lists.gnu.org/archive/html/qemu-devel/2011-10/msg02254.html >> >> I also plan to resubmit the qemu-side of ACPI cpu unplug request: >> http://lists.nongnu.org/archive/html/qemu-devel/2012-01/msg03037.html >> so that they work independently of the "host side" patches mentioned above. >> >> It would be great for the QOMify/hotplug/icc patches to be accepted soon, >> since this would make unplug testing/development more straightoward. >> > On a different note, are your going to continue working on your memory hot plug series? > I am going to look at it now. Memory hotplug.. that's going to be fun :-) Regards, Anthony Liguori > > -- > Gleb.