Re: [RFC PATCH] rcu: introduce kfree_rcu()

[Manfred Spraul]

Paul E. McKenney wrote:
> The rcu_barrier() family of functions registers a callback on each CPU,
> and waits until all these callbacks have been invoked.  The CPU offlining
> process preserves the order of the callbacks that were registered on a
> given CPU.  Thus, when rcu_barrier() returns, all RCU callbacks previously
> registered are guaranteed to have already been invoked, regardless of
> what CPUs might have been offlined and onlined in the meantime.
>
>   
You are right: I mixed up rcu_barrier() and synchronize_rcu().

--
   Manfred
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