[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [RFC V2 00/10] cpu: add device_add foo-x86_64-cpu and i
From: |
Igor Mammedov |
Subject: |
Re: [Qemu-devel] [RFC V2 00/10] cpu: add device_add foo-x86_64-cpu and i386 cpu hot remove support |
Date: |
Wed, 12 Nov 2014 08:57:29 +0100 |
On Wed, 12 Nov 2014 09:46:30 +0800
Gu Zheng <address@hidden> wrote:
> Hi Igor,
> As your hot-plug rework has been merged in upstream, and we need to respin
> the i386 cpu hot remove a lot based on the latest tree.
> So I want to split the series into two parts:
> Part 1/2: add device_add foo-x86_64-cpu support.
> Part 2/2: i386 cpu hot remove support.
> , which will be easy to review.
> The Part 1/2 will come soon, and Part 2/2 will be sent out once the rework
> is done.
> What's your opinion?
It makes sence to me, plug it will be easier to review/ammend smaller series.
>
> Thanks,
> Gu
>
> On 08/28/2014 11:36 AM, 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.
> >
> > v2:
> > -fix the cpu index duplicated issue in the QMP/HMP command output.
> >
> > 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 | 48 +++++++++++++-
> > 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 +++++++++++++++-
> > monitor.c | 4 +-
> > qdev-monitor.c | 1 +
> > qom/cpu.c | 29 +++++++--
> > target-i386/cpu-qom.h | 1 +
> > target-i386/cpu.c | 138
> > ++++++++++++++++++++++++++++++++++++-
> > target-i386/topology.h | 51 +++++++++----
> > 24 files changed, 470 insertions(+), 67 deletions(-)
> >
>
>
>