[RFC v2 4/4] powerpc/papr_scm: Add cpu hotplug support for nvdimm pmu device

[Peter Zijlstra]

On Tue, May 25, 2021 at 06:52:16PM +0530, Kajol Jain wrote:
> Patch here adds cpu hotplug functions to nvdimm pmu.

I'm thinking "Patch here" qualifies for "This patch", see
Documentation/process/submitting-patches.rst .

> It adds cpumask to designate a cpu to make HCALL to
> collect the counter data for the nvdimm device and
> update ABI documentation accordingly.
> 
> Result in power9 lpar system:
> command:# cat /sys/devices/nmem0/cpumask
> 0

Is this specific to the papr thing, or should this be in generic nvdimm
code?