Re: [PATCH v4 0/3] nvdimm: hotplug support

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On Thu, Nov 03, 2016 at 11:51:27AM +0800, Xiao Guangrong wrote:
> Resend these 3 patches to catch up release window...
> 
> Igor,
> 
> this is a open that i did not pass a buffer as parameter to RFIT as
> tried the way you suggested, but failed. May be i am not very good at
> ASL, i need more time to try. So let's keep the way as it is, i will
> improve it later.
> 
> Thanks!

And just for comparison, could you pls generate the
incremental diff as well?


> Changelog in v4:
>    1) drop fit lock and post_hotplug_cb
>    2) move nvdimm hotplug code to hw/acpi/nvdimm.c
>    3) introduce length field to indicate the fit size
>    4) nvdimm acpi cleanup
>    5) doc typo fixes
> 
> Changelog in v3:
>    1) use a dedicated interrupt for nvdimm device hotplug
>    2) stop nvdimm device hot unplug
>    3) reserve UUID and handle for QEMU internally used QEMU
>    5) redesign fit buffer to avoid OSPM reading incomplete fit info
>    6) bug fixes and cleanups
> 
> 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
> 
> Xiao Guangrong (3):
>   nvdimm acpi: introduce fit buffer
>   nvdimm acpi: introduce _FIT
>   pc: memhp: enable nvdimm device hotplug
> 
>  default-configs/mips-softmmu-common.mak |   1 +
>  docs/specs/acpi_nvdimm.txt              |  68 +++++++-
>  hw/acpi/ich9.c                          |   8 +-
>  hw/acpi/nvdimm.c                        | 289 ++++++++++++++++++++++++++++----
>  hw/acpi/piix4.c                         |   7 +-
>  hw/i386/acpi-build.c                    |   9 +-
>  hw/i386/pc.c                            |  16 ++
>  hw/mem/nvdimm.c                         |   4 -
>  include/hw/acpi/acpi_dev_interface.h    |   1 +
>  include/hw/mem/nvdimm.h                 |  22 ++-
>  10 files changed, 377 insertions(+), 48 deletions(-)
> 
> -- 
> 1.8.3.1
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