Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> wrote: > OK, just to make sure I understand you... You are asking for two additional > RCU API members: > > 1. rcu_access_pointer() or some such that includes ACCESS_ONCE(), > but not smp_read_barrier_depends(), which may be used when > we are simply examining the value of the RCU-protected pointer > (as in the NFS case). It could also be used when the > appropriate update-side lock is held, but for that we have: > > 2. rcu_dereference_protected() or some such that includes neither > ACCESS_ONCE() nor smp_read_barrier_depends(), and that may > only be used if updates are prevented, for example, by holding > the appropriate update-side lock. > > Does this fit? Yep. I think so. David -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
