Hi Steve, On Thu, 2020-02-20 at 14:34 -0500, Steven Rostedt wrote: > On Mon, 17 Feb 2020 18:33:40 +0900 > Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote: > > > > static inline void > > > __synth_event_trace_end(struct synth_event_trace_state > > > *trace_state) > > > { > > > + if (trace_state->disabled) > > > + return; > > > + > > > > Aah, I assumed that trace_state should be initialized with 0, but > > in really, it could be just allocated on the stack. > > We has to set trace_state->disabled = false in > > __synth_event_trace_start(). > > Is this patch good enough to take, or is there another one coming? > I think this patch is good to take. The fix for setting trace_state- >disabled to false would be covered by this later patch: [PATCH 2/2] tracing: Clear trace_state when starting trace https://lore.kernel.org/lkml/158193315899.8868.1781259176894639952.stgit@devnote2/ Tom > -- Steve