Re: [Qemu-devel] [PATCH v2 0/8] nvdimm: hotplug support

[Stefan Hajnoczi <stefanha@gmail.com>]

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On Fri, Aug 12, 2016 at 02:54:02PM +0800, Xiao Guangrong wrote:
> This patchset is against commit c597dc90fbcd6 (virtio-net: allow increasing
> rx queue siz) on pci branch of Michael's git tree and can be found at:
>       https://github.com/xiaogr/qemu.git nvdimm-hotplug-v2
> 
> Changelog in v2:
>    Fixed signed integer overflow pointed out by Stefan Hajnoczi
> 
> This patchset enables nvdimm hotplug support, it is used as pc-dimm hotplug,
> for example, a new nvdimm device can be plugged as follows:
> object_add memory-backend-file,id=mem3,size=10G,mem-path=/home/eric/nvdimm3
> device_add nvdimm,id=nvdimm3,memdev=mem3
> 
> and unplug it as follows:
> device_del nvdimm3
> object_del mem3
> 
> Xiao Guangrong (8):
>   acpi nvdimm: fix wrong buffer size returned by DSM method
>   nvdimm acpi: prebuild nvdimm devices for available slots
>   nvdimm acpi: introduce _FIT
>   nvdimm acpi: implement Read FIT function
>   pc-dimm: introduce prepare_unplug() callback
>   pc: memhp: do not export nvdimm's memory via _CRS
>   pc: acpi: memhp: nvdimm hotplug support
>   nvdimm docs: add nvdimm Read FIT function
> 
>  docs/specs/acpi_mem_hotplug.txt  |   4 +-
>  docs/specs/acpi_nvdimm.txt       |  38 +++++++-
>  hw/acpi/ich9.c                   |   3 +
>  hw/acpi/memory_hotplug.c         |  21 +++--
>  hw/acpi/nvdimm.c                 | 195 +++++++++++++++++++++++++++++++++++----
>  hw/acpi/piix4.c                  |   3 +
>  hw/i386/acpi-build.c             |  28 +++++-
>  hw/mem/nvdimm.c                  |  12 ++-
>  hw/mem/pc-dimm.c                 |   5 +
>  include/hw/acpi/memory_hotplug.h |   1 +
>  include/hw/acpi/pc-hotplug.h     |   1 +
>  include/hw/mem/nvdimm.h          |   6 +-
>  include/hw/mem/pc-dimm.h         |   1 +
>  13 files changed, 278 insertions(+), 40 deletions(-)
> 
> -- 
> 1.8.3.1
> 
> --
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Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

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