[PATCH] Add call to non-crashing cores through IPI

[Per Fransson]

>>> But when we are crashing we have oops_in_progress set:
>>>
>>>         WARN_ON_ONCE(cpu_online(this_cpu) && irqs_disabled()
>>>                      && !oops_in_progress);
>>>
>>> so this warning is never printed, right?
>>
>> Right. So just make sure the caller doesn't set the 'wait' argument.
>>
>
> Please double check it. In powerpc crashdump  case  oops_in_progress is not set.
>

I tried this. Didn't get the warning.

/Per