Re: [Qemu-devel] [PATCH v6 0/8] QEMU memory hot unplug support

["Michael S. Tsirkin" <mst@redhat.com>]

On Wed, Apr 08, 2015 at 05:49:42PM +0800, Zhu Guihua wrote:
> Ping...

It's only been 4 days.  We are finalizing 2.3 so pls sit tight.

> 
> On 04/02/2015 05:50 PM, Zhu Guihua wrote:
> >This patchset adds support to hot unplug memory.
> >
> >Memory hot unplug is complicated multi-stage process. Unplug request callback
> >sends remove request. After guest os processes ejection request, OSPM will
> >execute _EJ0 to signal qemu that a device eject will be to occur. Then qemu
> >will call unplug callback to eject the device.
> >
> >v6:
> >  -improve documentation of memory hot unplug
> >  -add trace event for device deletion
> >  -put fix about "Memory device control fields" register in a separate patch
> >
> >v5:
> >  -reorganize the patchset
> >  -add documentation to understand patch easily
> >  -add MEMORY_SLOT_EJECT for initiating device eject
> >  -add support to send qmp event to notify mgmt about memory unplug error
> >
> >v4:
> >  -reorganize the patchset
> >  -drop the new API acpi_send_gpe_event()
> >  -update ssdt-mem
> >
> >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
> >
> >Tang Chen (3):
> >   acpi, mem-hotplug: add acpi_memory_slot_status() to get MemStatus
> >   acpi, mem-hotplug: add unplug request cb for memory device
> >   acpi, mem-hotplug: add unplug cb for memory device
> >
> >Zhu Guihua (5):
> >   docs: update documentation for memory hot unplug
> >   acpi: extend aml_field() to support UpdateRule
> >   acpi: fix "Memory device control fields" register
> >   acpi: add hardware implementation for memory hot unplug
> >   qmp-event: add event notification for memory hot unplug error
> >
> >  docs/memory-hotplug.txt           | 23 ++++++++--
> >  docs/qmp/qmp-events.txt           | 17 +++++++
> >  docs/specs/acpi_mem_hotplug.txt   | 58 +++++++++++++++++++++--
> >  hw/acpi/aml-build.c               |  4 +-
> >  hw/acpi/ich9.c                    | 19 ++++++--
> >  hw/acpi/memory_hotplug.c          | 96 ++++++++++++++++++++++++++++++++++++---
> >  hw/acpi/piix4.c                   | 17 +++++--
> >  hw/core/qdev.c                    |  2 +-
> >  hw/i386/acpi-build.c              | 25 ++++++++--
> >  hw/i386/acpi-dsdt-mem-hotplug.dsl | 13 +++++-
> >  hw/i386/pc.c                      | 62 +++++++++++++++++++++++--
> >  include/hw/acpi/aml-build.h       | 10 +++-
> >  include/hw/acpi/memory_hotplug.h  | 12 +++++
> >  include/hw/acpi/pc-hotplug.h      |  3 ++
> >  include/hw/qdev-core.h            |  1 +
> >  monitor.c                         |  1 +
> >  qapi/event.json                   | 14 ++++++
> >  trace-events                      |  4 ++
> >  18 files changed, 346 insertions(+), 35 deletions(-)
> >