Re: [Qemu-devel] [PATCH v4 00/10] cpu: add device_add foo-x86_64-cpu support

[Gu Zheng <guz.fnst@cn.fujitsu.com>]

Hi Igor, Andreas,

The issues you commented in the previous version have been fixed in this one.
Could you please help to review it?

Regards,
Gu
On 02/13/2015 06:25 PM, Zhu Guihua wrote:

> This series is based on the previous patchset from Chen Fan:
> https://lists.nongnu.org/archive/html/qemu-devel/2014-05/msg02360.html
> 
> We try to make cpu hotplug with device_add, and make
> "-device foo-x86_64-cpu" available, also 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.
> 
> The is the first 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
> 
> ---
> Changelog since v3:
>  -fix cross version migration issue
>  -drop ICC bus impl
>  -do a generic for apic to send gpe event
>  -do not use migration code for CONFIG_USER_ONLY target
> 
> Changelog since v2:
>  -rebase on latest upstream.
>  -add cpu instance finalize.
> 
> Changelog since v1:
>  -rebased on latest upstream.
>  -introduce a help function to hide the access to icc_bus.
>  -use a macro ACPI_ID_NOT_SET to replace the magic number(0xFFFFFFFF).
> 
> Changelog since RFC:
>  -split out APIC vmstate/QMP-monitor changes into separate patches.
>  -add the handle of the startup cpus(-device foo).
>  -remove duplicated checking about env->cpuid_apic_id.
>  -do actual APIC ID allocation at realize time if it is not set before.
>  -remove the unneeded x86_cpu_cpudef_instance_init().
>  -split off device_del support out here.
> ---
> 
> Chen Fan (4):
>   cpu/apic: drop icc bus/bridge/
>   icc_bus: remove icc related files
>   cpu: introduce CpuTopoInfo structure for argument simplification
>   cpu: add device_add foo-x86_64-cpu support
> 
> Gu Zheng (4):
>   qom/cpu: move register_vmstate to common CPUClass.realizefn
>   qom/cpu: move apic vmstate register into x86_cpu_apic_realize
>   monitor: use cc->get_arch_id as the cpu index
>   i386/cpu: add instance finalize callback
> 
> Zhu Guihua (2):
>   cpu: introduce get_compat_arch_id() method and override it for X86CPU
>   acpi: introduce acpi_send_gpe_event()
> 
>  MAINTAINERS                        |   6 --
>  cpus.c                             |   4 +-
>  default-configs/i386-softmmu.mak   |   1 -
>  default-configs/x86_64-softmmu.mak |   1 -
>  exec.c                             |  25 +++++---
>  hw/acpi/core.c                     |   7 +++
>  hw/acpi/cpu_hotplug.c              |   6 +-
>  hw/cpu/Makefile.objs               |   2 -
>  hw/cpu/icc_bus.c                   | 118 -------------------------------------
>  hw/i386/kvm/apic.c                 |  10 +++-
>  hw/i386/pc.c                       |  27 ++-------
>  hw/i386/pc_piix.c                  |   9 +--
>  hw/i386/pc_q35.c                   |   9 +--
>  hw/intc/apic.c                     |  16 +++--
>  hw/intc/apic_common.c              |  17 +++---
>  include/hw/acpi/acpi.h             |   3 +
>  include/hw/cpu/icc_bus.h           |  82 --------------------------
>  include/hw/i386/apic_internal.h    |   9 +--
>  include/hw/i386/pc.h               |   3 +-
>  include/qom/cpu.h                  |   6 ++
>  monitor.c                          |   4 +-
>  qom/cpu.c                          |  10 ++++
>  target-i386/cpu.c                  |  95 ++++++++++++++++++++++-------
>  target-i386/cpu.h                  |   3 +-
>  target-i386/topology.h             |  66 ++++++++++++++++-----
>  25 files changed, 223 insertions(+), 316 deletions(-)
>  delete mode 100644 hw/cpu/icc_bus.c
>  delete mode 100644 include/hw/cpu/icc_bus.h
>