From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41398) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WIfhL-0006A0-PW for qemu-devel@nongnu.org; Wed, 26 Feb 2014 09:43:07 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WIfhE-0007jg-7s for qemu-devel@nongnu.org; Wed, 26 Feb 2014 09:42:59 -0500 Received: from e06smtp18.uk.ibm.com ([195.75.94.114]:51577) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WIfhD-0007jc-Ve for qemu-devel@nongnu.org; Wed, 26 Feb 2014 09:42:52 -0500 Received: from /spool/local by e06smtp18.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 26 Feb 2014 14:42:51 -0000 Received: from b06cxnps4075.portsmouth.uk.ibm.com (d06relay12.portsmouth.uk.ibm.com [9.149.109.197]) by d06dlp03.portsmouth.uk.ibm.com (Postfix) with ESMTP id 094B61B08066 for ; Wed, 26 Feb 2014 14:42:30 +0000 (GMT) Received: from d06av10.portsmouth.uk.ibm.com (d06av10.portsmouth.uk.ibm.com [9.149.37.251]) by b06cxnps4075.portsmouth.uk.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id s1QEgb5b66781280 for ; Wed, 26 Feb 2014 14:42:37 GMT Received: from d06av10.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av10.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id s1QEgmYY020013 for ; Wed, 26 Feb 2014 07:42:48 -0700 Message-ID: <530DFD67.1040800@de.ibm.com> Date: Wed, 26 Feb 2014 15:42:47 +0100 From: Christian Borntraeger MIME-Version: 1.0 References: <1393277453-13942-1-git-send-email-mjrosato@linux.vnet.ibm.com> In-Reply-To: <1393277453-13942-1-git-send-email-mjrosato@linux.vnet.ibm.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v2 0/5] s390: Support for Hotplug of Standby Memory List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Matthew Rosato , qemu-devel@nongnu.org Cc: stefanha@redhat.com, gleb@redhat.com, agraf@suse.de, aliguori@amazon.com, imammedo@redhat.com, cornelia.huck@de.ibm.com, pbonzini@redhat.com, rth@twiddle.net On 24/02/14 22:30, Matthew Rosato wrote: > This patchset adds support in s390 for a pool of standby memory, > which can be set online/offline by the guest (ie, via chmem). > New options, maxmem and slots, are added to the QEMU command line > memory parameter to specify the total amount of memory available > to the guest as well as the number of memory slots available. > As part of this work, additional results are provided for the > Read SCP Information SCLP, and new implentation is added for the > Read Storage Element Information, Attach Storage Element, > Assign Storage and Unassign Storage SCLPs, which enables the s390 > guest to manipulate the standby memory pool. Looks like Paolo will apply Igors latest patches to the numa branch, I will defer patches 3-5 until Igors patches hit qemu master. Christian > > This patchset is based on work originally done by Jeng-Fang (Nick) > Wang. > > This patchset has been built to apply on the s390-next tree at: > > git://github.com/borntraeger/qemu.git s390-next > > Changes for v2: > * Removed the patch that introduced the standby-mem operand and > instead included Igor Mammedov's patches that add the mem-opts > 'maxmem' and 'slots', with a slight modification due to the removal > of qemu_opts_create_nofail. > * Patch 3 was inserted to add a new qom object that encapsulate variables > used by s390 memory hotplug. Patches 4 and 5 adjusted to use this > object. > * Added additional code comments and other minor changes per Alexander > Graf's comments > > Igor Mammedov (2): > vl: convert -m to QemuOpts > vl.c: extend -m option to support options for memory hotplug > > Matthew Rosato (3): > sclp-s390: Add device to manage s390 memory hotplug > virtio-ccw: Include standby memory when calculating storage increment > sclp-s390: Add memory hotplug SCLPs > > hw/s390x/s390-virtio-ccw.c | 42 +++++-- > hw/s390x/sclp.c | 276 ++++++++++++++++++++++++++++++++++++++++++-- > include/hw/s390x/sclp.h | 19 +++ > qemu-options.hx | 10 +- > target-s390x/cpu.h | 18 +++ > target-s390x/kvm.c | 5 + > vl.c | 98 ++++++++++++++-- > 7 files changed, 440 insertions(+), 28 deletions(-) >