From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59403) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z8KTc-0001fs-Hg for qemu-devel@nongnu.org; Thu, 25 Jun 2015 23:38:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Z8KTW-00037Y-Ew for qemu-devel@nongnu.org; Thu, 25 Jun 2015 23:38:52 -0400 Received: from [59.151.112.132] (port=52494 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z8KTU-0002yv-Ol for qemu-devel@nongnu.org; Thu, 25 Jun 2015 23:38:46 -0400 Message-ID: <558CC907.2020208@cn.fujitsu.com> Date: Fri, 26 Jun 2015 11:37:43 +0800 From: Zhu Guihua MIME-Version: 1.0 References: <20150624132858.GA30955@vader> In-Reply-To: <20150624132858.GA30955@vader> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v3 0/7] cpu: add i386 cpu hot remove support List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, tangchen@cn.fujitsu.com, guz.fnst@cn.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com, anshul.makkar@profitbricks.com, chen.fan.fnst@cn.fujitsu.com, imammedo@redhat.com, afaerber@suse.de Hi, On 06/24/2015 09:28 PM, Eduardo Otubo wrote: > Hello Zhu, > > Are you still working on this feature? Could you provide a rebased > version of this series? Sorry for late reply. Yes, we are still working on this feature. I have updated my github, you can get the rebased version from it. https://github.com/zhuguihua/qemu.git cpu-hotplug Thanks, Zhu > Regards, > > On Fri, Feb 13, 2015 at 06=40=15PM +0800, Zhu Guihua wrote: >> This series is based on chen fan's previous i386 cpu hot remove patchset: >> https://lists.nongnu.org/archive/html/qemu-devel/2013-12/msg04266.html >> >> Via implementing ACPI standard methods _EJ0 in ACPI table, after Guest >> OS remove one vCPU online, the fireware will store removed bitmap to >> QEMU, then QEMU could know to notify the assigned vCPU of exiting. >> Meanwhile, intruduce the QOM command 'device_del' to remove vCPU from >> QEMU itself. >> >> The whole work is based on the new hot plug/unplug framework, ,the unplug request >> callback does the pre-check and send the request, unplug callback does the >> removal handling. >> >> This series depends on tangchen's common hot plug/unplug enhance patchset. >> [PATCH v2 0/5] Common unplug and unplug request cb for memory and CPU hot-unplug >> https://lists.nongnu.org/archive/html/qemu-devel/2015-01/msg03929.html >> >> The is the second half of the previous series: >> [RFC V2 00/10] cpu: add device_add foo-x86_64-cpu and i386 cpu hot remove support >> https://lists.nongnu.org/archive/html/qemu-devel/2014-08/msg04779.html >> >> If you want to test the series, you need to apply the 'device_add foo-x86_64-cpu' >> patchset first: >> [PATCH v4 00/10] cpu: add device_add foo-x86_64-cpu support >> https://lists.nongnu.org/archive/html/qemu-devel/2015-02/msg02584.html >> >> --- >> Changelog since v2: >> -drop ICC bus impl >> -fix delete cpu exceed 32 issue >> -fix bug about deleting the last cpu >> >> Changelog since v1: >> -rebase on the latest version. >> -delete patch i386/cpu: add instance finalize callback, and put it into patchset >> [PATCH v3 0/6] cpu: add device_add foo-x86_64-cpu support. >> >> Changelog since RFC: >> -splited the i386 cpu hot remove into single thread. >> -replaced apic_no with apic_id, so does the related stuff to make it >> work with arbitrary CPU hotadd. >> -add the icc_device_unrealize callback to handle apic unrealize. >> -rework on the new hot plug/unplug platform. >> --- >> >> Chen Fan (2): >> x86: add x86_cpu_unrealizefn() for cpu apic remove >> cpu hotplug: implement function cpu_status_write() for vcpu ejection >> >> Gu Zheng (3): >> acpi/cpu: add cpu hot unplug request callback function >> acpi, pc: add cpu hot unplug callback support >> cpus: reclaim allocated vCPU objects >> >> Zhu Guihua (2): >> acpi, pc: add cpu hot unplug request callback support >> acpi/cpu: add cpu hot unplug callback function >> >> cpus.c | 44 ++++++++++++++++++++ >> hw/acpi/cpu_hotplug.c | 87 ++++++++++++++++++++++++++++++++++++--- >> hw/acpi/ich9.c | 17 ++++++-- >> hw/acpi/piix4.c | 12 +++++- >> hw/core/qdev.c | 2 +- >> hw/i386/acpi-dsdt-cpu-hotplug.dsl | 16 ++++++- >> hw/i386/kvm/apic.c | 5 +++ >> hw/i386/pc.c | 68 ++++++++++++++++++++++++++++-- >> hw/intc/apic.c | 9 ++++ >> hw/intc/apic_common.c | 21 ++++++---- >> include/hw/acpi/cpu_hotplug.h | 8 ++++ >> include/hw/i386/apic_internal.h | 1 + >> include/hw/qdev-core.h | 1 + >> include/qom/cpu.h | 9 ++++ >> include/sysemu/kvm.h | 1 + >> kvm-all.c | 57 ++++++++++++++++++++++++- >> target-i386/cpu.c | 46 +++++++++++++++++++++ >> 17 files changed, 377 insertions(+), 27 deletions(-) >> >> -- >> 1.9.3 >> >>