Re: [PATCH v2 5/8] pc-dimm: introduce prepare_unplug() callback

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On 10/03/2016 05:45 PM, Igor Mammedov wrote:
On Fri, 12 Aug 2016 14:54:07 +0800
Xiao Guangrong <guangrong.xiao@xxxxxxxxxxxxxxx> wrote:

We should let nvdimm acpi know which nvdimm device is being unplugged
before QEMU interrupts the guest so that nvdimm acpi can update its
FIT properly

prepare_unplug() callback is introduced exactly for this purpose then
the being removed device is skipped when guest reads FIT
Hot-unplug for NVDIMMs isn't mentinoned in spec so I'd would drop it for now.

Okay. Then i will stop hot-unplug and generate a error message if nvdimm device
is being un-plugged:
  "NVDIMM hot-unplug has not been supported yet."

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