Messages in this thread | | | Date | Thu, 14 Jun 2012 07:47:34 -0700 | From | "Paul E. McKenney" <> | Subject | Re: [RFC patch 2/5] smpboot: Provide infrastructure for percpu hotplug threads |
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On Thu, Jun 14, 2012 at 03:01:27PM +0200, Peter Zijlstra wrote: > On Thu, 2012-06-14 at 05:59 -0700, Paul E. McKenney wrote: > > Yep, starvation. > > What's the particular starvation case?
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.
Thanx, Paul
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