Messages in this thread | | | Subject | Re: [PATCH 2/2] ipvs: Use cond_resched_rcu_lock() helper when dumping connections | From | Eric Dumazet <> | Date | Fri, 26 Apr 2013 11:26:55 -0700 |
| |
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();
| |