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Re: [Qemu-devel] [RFC PATCH 00/10] cpu: add device_add foo-x86_64-cpu an
From: |
Gu Zheng |
Subject: |
Re: [Qemu-devel] [RFC PATCH 00/10] cpu: add device_add foo-x86_64-cpu and i386 cpu hot remove support |
Date: |
Tue, 19 Aug 2014 09:30:09 +0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:7.0.1) Gecko/20110930 Thunderbird/7.0.1 |
Hi Igor, Andreas,
Could you please help to review this series? Any comment is welcome.
Regards,
Gu
On 08/07/2014 12:53 PM, Gu Zheng wrote:
> This series is based on the previous patchset from Chen Fan:
> https://lists.nongnu.org/archive/html/qemu-devel/2014-05/msg02360.html
> https://lists.nongnu.org/archive/html/qemu-devel/2013-12/msg04266.html
>
> Patch 1~3: add device_add foo-x86_64-cpu support
> These three patches try to make cpu hotplug with device_add, and make
> "-device foo-x86_64-cpu" availableļ¼also we can set apic-id
> property with command line, if without setting apic-id property,
> we offer the first unoccupied apic id as the default new apic id.
> When hotplug cpu with device_add, additional check of APIC ID will be
> done after cpu object initialization which was different from
> 'cpu_add' command that check 'ids' at the beginning.
>
> Patch 4~10: add i386 cpu hot remove support
> 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.
>
> Chen Fan (6):
> cpu: introduce CpuTopoInfo structure for argument simplification
> cpu: add device_add foo-x86_64-cpu support
> x86: add x86_cpu_unrealizefn() for cpu apic remove
> qom cpu: rename variable 'cpu_added_notifier' to
> 'cpu_hotplug_notifier'
> i386: implement pc interface cpu_common_unrealizefn() in qom/cpu.c
> cpu hotplug: implement function cpu_status_write() for vcpu ejection
>
> Gu Zheng (4):
> qom/cpu: move register_vmstate to common CPUClass.realizefn
> i386: add cpu device_del support
> qom cpu: add UNPLUG cpu notify support
> cpus: reclaim allocated vCPU objects
>
> cpus.c | 44 ++++++++++++
> exec.c | 32 +++++----
> hw/acpi/cpu_hotplug.c | 55 +++++++++++++--
> hw/acpi/ich9.c | 13 ++--
> hw/acpi/piix4.c | 21 +++---
> hw/i386/acpi-dsdt-cpu-hotplug.dsl | 6 ++-
> hw/i386/kvm/apic.c | 8 ++
> hw/i386/pc.c | 2 +-
> hw/intc/apic.c | 10 +++
> hw/intc/apic_common.c | 26 ++++++-
> include/hw/acpi/cpu_hotplug.h | 14 ++++-
> include/hw/acpi/ich9.h | 2 +-
> include/hw/cpu/icc_bus.h | 1 +
> include/hw/i386/apic_internal.h | 3 +
> include/qom/cpu.h | 12 +++
> include/sysemu/kvm.h | 1 +
> include/sysemu/sysemu.h | 2 +-
> kvm-all.c | 57 +++++++++++++++-
> qdev-monitor.c | 1 +
> qom/cpu.c | 29 +++++++--
> target-i386/cpu-qom.h | 1 +
> target-i386/cpu.c | 138
> ++++++++++++++++++++++++++++++++++++-
> target-i386/topology.h | 51 +++++++++----
> 23 files changed, 464 insertions(+), 65 deletions(-)
>
- [Qemu-devel] [RFC PATCH 05/10] i386: add cpu device_del support, (continued)
- [Qemu-devel] [RFC PATCH 05/10] i386: add cpu device_del support, Gu Zheng, 2014/08/07
- [Qemu-devel] [RFC PATCH 06/10] qom cpu: rename variable 'cpu_added_notifier' to 'cpu_hotplug_notifier', Gu Zheng, 2014/08/07
- [Qemu-devel] [RFC PATCH 07/10] qom cpu: add UNPLUG cpu notify support, Gu Zheng, 2014/08/07
- [Qemu-devel] [RFC PATCH 08/10] i386: implement pc interface cpu_common_unrealizefn() in qom/cpu.c, Gu Zheng, 2014/08/07
- [Qemu-devel] [RFC PATCH 09/10] cpu hotplug: implement function cpu_status_write() for vcpu ejection, Gu Zheng, 2014/08/07
- [Qemu-devel] [RFC PATCH 10/10] cpus: reclaim allocated vCPU objects, Gu Zheng, 2014/08/07
Re: [Qemu-devel] [RFC PATCH 00/10] cpu: add device_add foo-x86_64-cpu and i386 cpu hot remove support,
Gu Zheng <=