Re: [PATCH 2/2] ipvs: Use cond_resched_rcu_lock() helper when dumping connections

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On Fri, 2013-04-26 at 10:48 -0700, Paul E. McKenney wrote:

> Don't get me wrong, I am not opposing cond_resched_rcu_lock() because it
> will be difficult to validate.  For one thing, until there are a lot of
> them, manual inspection is quite possible.  So feel free to apply my
> Acked-by to the patch.

One question : If some thread(s) is(are) calling rcu_barrier() and
waiting we exit from rcu_read_lock() section, is need_resched() enough
for allowing to break the section ?

If not, maybe we should not test need_resched() at all.

rcu_read_unlock();
cond_resched();
rcu_read_lock();



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