Re: [Qemu-devel] [PATCH v3 00/10] QEMU memory hot unplug support

[Michael S. Tsirkin]

On Thu, Feb 26, 2015 at 09:16:42AM +0800, Zhu Guihua wrote:
> Memory hot unplug are both asynchronous procedures.
> When the unplug operation happens, unplug request cb is called first.
> And when guest OS finished handling unplug, unplug cb will be called
> to do the real removal of device.
> 
> This series depends on the following 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

So this needs a bit more work reorganizing patches, and also needs to be
rebased to latest pci branch.
I'll probably send last non-bugfix pull request tomorrow, most likely
this means this won't be in 2.3.


> v3:
> - commit message changes
> - reorganize the patchset, squash and separate some patches
> - update specs about acpi_mem_hotplug
> - first cleanup external state, then un-map and un-register memory device
> 
> v2:
> - do a generic for acpi to send gpe event
> - unparent object by PC_MACHINE
> - update description in acpi_mem_hotplug.txt
> - combine the last two patches in the last version
> - cleanup external state in acpi_memory_unplug_cb
> 
> Hu Tao (1):
>   ich9, piix4, pc-dimm: Add memory hot unplug request support
> 
> Tang Chen (7):
>   acpi, mem-hotplug: Use PC_DIMM_SLOT_PROP in acpi_memory_plug_cb().
>   acpi, mem-hotplug: Add acpi_memory_slot_status() to get MemStatus.
>   acpi, mem-hotplug: Add acpi_send_gpe_event() to rise sci for memory
>     hotplug.
>   acpi, mem-hotplug: Add unplug request cb for memory device.
>   acpi, mem-hotplug: Add unplug cb for memory device.
>   ich9, piix4, pc-dimm: Add memory hot unplug support
>   acpi: Add hardware implementation for memory hot unplug.
> 
> Zhu Guihua (2):
>   qdev: make qdev_get_hotplug_handler() non-static
>   ssdt-mem: add MEMORY_SLOT_EJECT_METHOD
> 
>  docs/specs/acpi_mem_hotplug.txt   | 11 ++++-
>  hw/acpi/core.c                    |  7 +++
>  hw/acpi/ich9.c                    | 19 +++++++--
>  hw/acpi/memory_hotplug.c          | 90 
> +++++++++++++++++++++++++++++++++------
>  hw/acpi/piix4.c                   | 16 +++++--
>  hw/core/qdev.c                    |  2 +-
>  hw/i386/acpi-dsdt-mem-hotplug.dsl | 11 ++++-
>  hw/i386/pc.c                      | 54 +++++++++++++++++++++--
>  hw/i386/ssdt-mem.dsl              |  5 +++
>  include/hw/acpi/acpi.h            |  3 ++
>  include/hw/acpi/memory_hotplug.h  |  6 +++
>  include/hw/acpi/pc-hotplug.h      |  2 +
>  include/hw/qdev-core.h            |  1 +
>  trace-events                      |  1 +
>  14 files changed, 199 insertions(+), 29 deletions(-)
> 
> -- 
> 1.9.3