Messages in this thread | | | Subject | Re: [RFC patch 2/5] smpboot: Provide infrastructure for percpu hotplug threads | From | Peter Zijlstra <> | Date | Thu, 14 Jun 2012 16:56:29 +0200 |
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On Thu, 2012-06-14 at 07:47 -0700, Paul E. McKenney wrote: > RCU callback processing consumes the entire CPU in RCU_BOOST case where > processing runs at real-time priority. This is analogous to RT throttling > in the scheduler.
But previously we can in non-preemptible softirq context, why would if behave differently when done from a RT task?
Also, no its not quite like the throttling, that really idles the cpu even if there's no SCHED_OTHER tasks to run.
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