Messages in this thread | | | Subject | Re: [PATCH, RFC, tip/core/rcu] v3 scalable classic RCU implementation | From | Peter Zijlstra <> | Date | Sat, 30 Aug 2008 11:33:00 +0200 |
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On Fri, 2008-08-29 at 17:49 -0700, Paul E. McKenney wrote:
> Some shortcomings: > > o Entering and leaving dynticks idle mode is a quiescent state, > but the current patch doesn't take advantage of this (noted > by Manfred). It appears that it should be possible to make > nmi_enter() and nmi_exit() provide an in_nmi(), which would make > it possible for rcu_irq_enter() and rcu_irq_exit() to figure > out whether it is safe to tell RCU about the quiescent state -- > and also greatly simplify the code.
Already done and available in the -tip tree, curtesy of Mathieu.
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