Messages in this thread | | | Date | Fri, 10 Aug 2018 10:07:09 -0700 | From | "Paul E. McKenney" <> | Subject | Re: [RFC][PATCH] tracepoints: Free early tracepoints after RCU is initialized |
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On Fri, Aug 10, 2018 at 12:35:17PM -0400, Steven Rostedt wrote: > On Fri, 10 Aug 2018 12:30:42 -0400 > Steven Rostedt <rostedt@goodmis.org> wrote: > > Maybe I should say SRCU?
That would be an improvement. What, me read comments? ;-)
Thanx, Paul
> +/* SRCU is initialized at core_initcall */ > +postcore_initcall(release_early_probes); > + > static inline void release_probes(struct tracepoint_func *old) > { > if (old) { > struct tp_probes *tp_probes = container_of(old, > struct tp_probes, probes[0]); > + > + /* > + * We can't free probes if SRCU is not initialized yet. > + * Postpone the freeing till after SRCU is initialized. > + */ > + if (unlikely(!ok_to_free_tracepoints)) { > + tp_probes->rcu.next = early_probes; > + early_probes = &tp_probes->rcu; > + return; > + } > + > > -- Steve >
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