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 | |
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.
|  |