Re: [PATCH v6 3/4] perf,x86: add Intel RAPL PMU support

[Andi Kleen]

> I don't know where Andi got that cpu starting was parallel now.
> Andi?

I know there was some work on it, but maybe it hasn't been merged yet.

> 
> If hotplug is not parallel, then we can drop that RAPL hotplug_lock
> I added.

I guess your patch is ok without lock for now, sorry for the objection.

-Andi
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