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Re: [Qemu-devel] [RFC PATCH 0/7] i386: add cpu hot remove support
From: |
Gu Zheng |
Subject: |
Re: [Qemu-devel] [RFC PATCH 0/7] i386: add cpu hot remove support |
Date: |
Tue, 22 Jul 2014 10:24:33 +0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:7.0.1) Gecko/20110930 Thunderbird/7.0.1 |
Hi Igor, Andreas,
How about this patchset? Could you please help to review it?
Any comment is welcome.
Regards,
Gu
On 07/11/2014 05:59 PM, Gu Zheng wrote:
> 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.
>
> This job is based on Chen Fan's previous "cpu-del" patchset:
> https://lists.nongnu.org/archive/html/qemu-devel/2013-12/msg04266.html
>
> And it depends on the previous "device_add foo-x86_64-cpu" patchset:
> https://lists.nongnu.org/archive/html/qemu-devel/2014-06/msg06690.html
>
> Chen Fan (4):
> 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 (3):
> i386: add cpu device_del support
> qom cpu: add UNPLUG cpu notify support
> cpus: reclaim allocated vCPU objects
>
> cpus.c | 44 ++++++++++++++++++++++++
> 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 | 23 ++++++++++++-
> 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 | 1 +
> include/qom/cpu.h | 9 +++++
> include/sysemu/kvm.h | 1 +
> include/sysemu/sysemu.h | 2 +-
> kvm-all.c | 57 +++++++++++++++++++++++++++++++-
> qom/cpu.c | 27 ++++++++++++---
> target-i386/cpu-qom.h | 1 +
> target-i386/cpu.c | 66
> +++++++++++++++++++++++++++++++++++++
> 20 files changed, 332 insertions(+), 31 deletions(-)
>
- [Qemu-devel] [RFC PATCH 6/7] cpu hotplug: implement function cpu_status_write() for vcpu ejection, (continued)
- [Qemu-devel] [RFC PATCH 6/7] cpu hotplug: implement function cpu_status_write() for vcpu ejection, Gu Zheng, 2014/07/11
- [Qemu-devel] [RFC PATCH 1/7] x86: add x86_cpu_unrealizefn() for cpu apic remove, Gu Zheng, 2014/07/11
- [Qemu-devel] [RFC PATCH 5/7] i386: implement pc interface cpu_common_unrealizefn() in qom/cpu.c, Gu Zheng, 2014/07/11
- [Qemu-devel] [RFC PATCH 2/7] i386: add cpu device_del support, Gu Zheng, 2014/07/11
- [Qemu-devel] [RFC PATCH 3/7] qom cpu: rename variable 'cpu_added_notifier' to 'cpu_hotplug_notifier', Gu Zheng, 2014/07/11
- [Qemu-devel] [RFC PATCH 4/7] qom cpu: add UNPLUG cpu notify support, Gu Zheng, 2014/07/11
- [Qemu-devel] [RFC PATCH 7/7] cpus: reclaim allocated vCPU objects, Gu Zheng, 2014/07/11
- Re: [Qemu-devel] [RFC PATCH 0/7] i386: add cpu hot remove support, Gu Zheng, 2014/07/14
- Re: [Qemu-devel] [RFC PATCH 0/7] i386: add cpu hot remove support,
Gu Zheng <=