On Thu, Aug 30, 2012 at 11:18:19AM -0700, Paul E. McKenney wrote:
> From: "Paul E. McKenney"
>
> RCU grace-period cleanup is currently carried out with interrupts
> disabled, which can result in excessive latency spikes on large systems
> (many hundreds or thousands of CPUs). This patch therefor
From: "Paul E. McKenney"
RCU grace-period cleanup is currently carried out with interrupts
disabled, which can result in excessive latency spikes on large systems
(many hundreds or thousands of CPUs). This patch therefore makes the
RCU grace-period cleanup be preemptible, including voluntary pre
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