On Tue, 2013-05-21 at 05:09 -0700, Paul E. McKenney wrote: > > > > -#define hlist_nulls_first_rcu(head) \ > > - (*((struct hlist_nulls_node __rcu __force **)&(head)->first)) > > +#define hlist_nulls_first_rcu(head) \ > > + (*((struct hlist_nulls_node __rcu __force **) \ > > + &((volatile typeof(*head) *)head)->first)) > > Why not use ACCESS_ONCE() or (better) rcu_dereference_raw() here? >
+1 Very good catch Roman ! Thanks ! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/