[PATCH] powerpc/pseries: fix oops in hotplug memory notifier

[Tyrel Datwyler]

On 06/13/2019 06:05 PM, Nathan Lynch wrote:
> Nathan Lynch <nathanl at linux.ibm.com> writes:
> 
>> Tyrel Datwyler <tyreld at linux.vnet.ibm.com> writes:
>>
>>> Maybe we are ok with this behavior as I haven't dug deep enough into the memory
>>> subsystem here to really understand what the memory code is updating, but it is
>>> concerning that we are doing it in some cases, but not all.
>>
>> I hope I've made a good case above that the notifier does not do any
>> useful work, and a counterpart for the v2 format isn't needed.  Do you
>> agree?
>>
>> If so, I'll send a patch later to remove the notifier altogether. In the
>> near term I would still like this minimal fix to go in.
> 
> Tyrel, ack?
> 

Sure, lets start with simple case to fix the crash.

-Tyrel