Re: perf_events: questions about cpu_has_ht_siblings() and offcore support
From
Peter Zijlstra <>
Date
Fri, 22 Apr 2011 16:47:58 +0200
On Fri, 2011-04-22 at 16:41 +0200, Stephane Eranian wrote: > I assume that's because hotplug > cpu is inherently serialized. You cannot have a CPU going offline > and one going online at the same time. is that right?
Exactly, that's all serialized under the hotpug mutex