From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54987) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZvoWA-0006Uw-FA for qemu-devel@nongnu.org; Mon, 09 Nov 2015 10:38:03 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZvoW7-0007hA-2J for qemu-devel@nongnu.org; Mon, 09 Nov 2015 10:38:02 -0500 Received: from e06smtp11.uk.ibm.com ([195.75.94.107]:54645) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZvoW6-0007h1-OY for qemu-devel@nongnu.org; Mon, 09 Nov 2015 10:37:58 -0500 Received: from localhost by e06smtp11.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 9 Nov 2015 15:37:57 -0000 Received: from b06cxnps4075.portsmouth.uk.ibm.com (d06relay12.portsmouth.uk.ibm.com [9.149.109.197]) by d06dlp01.portsmouth.uk.ibm.com (Postfix) with ESMTP id AE5C017D805D for ; Mon, 9 Nov 2015 15:38:13 +0000 (GMT) Received: from d06av07.portsmouth.uk.ibm.com (d06av07.portsmouth.uk.ibm.com [9.149.37.248]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id tA9Fbtxx1966346 for ; Mon, 9 Nov 2015 15:37:55 GMT Received: from d06av07.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av07.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id tA9FbtOi026699 for ; Mon, 9 Nov 2015 08:37:55 -0700 References: <1447082260-427-1-git-send-email-mjrosato@linux.vnet.ibm.com> <5640BBAA.1000201@suse.de> <5640BD5B.9050204@de.ibm.com> From: Christian Borntraeger Message-ID: <5640BDD2.9040102@de.ibm.com> Date: Mon, 9 Nov 2015 16:37:54 +0100 MIME-Version: 1.0 In-Reply-To: <5640BD5B.9050204@de.ibm.com> Content-Type: text/plain; charset=iso-8859-15 Content-Transfer-Encoding: 8bit Subject: Re: [Qemu-devel] [PATCH 0/4] s390: Allow hotplug of s390 CPUs List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?UTF-8?Q?Andreas_F=c3=a4rber?= , Matthew Rosato , qemu-devel@nongnu.org Cc: cornelia.huck@de.ibm.com, agraf@suse.de, rth@twiddle.net Am 09.11.2015 um 16:35 schrieb Christian Borntraeger: > Am 09.11.2015 um 16:28 schrieb Andreas Färber: >> Hi, >> >> Am 09.11.2015 um 16:17 schrieb Matthew Rosato: >>> To subsequently hotplug a CPU: >>> >>> Issue 'cpu-add ' from qemu monitor, or use virsh setvcpus --count >>> , where is the total number of desired guest CPUs. >> >> What exactly is still missing for you to use the standard device_add? >> >> Last time I checked (a while ago...) some patches were stuck on the x86 >> side, and I don't recall hearing any feedback from the s390x side in my >> KVM Forum CPU hotplug session. > > libvirt uses "cpu-add" unconditionally for hotplugging, so we certainly > want to support that. Sorry, hit send too early. I assume you want us to support device_add of a CPU in addition to that. Correct?