On Wed, 2011-05-18 at 21:07 -0700, Will Drewry wrote: > Do event_* that return non-void exist in the tree at all now? I've > looked at the various tracepoint macros as well as some of the other > handlers (trace_function, perf_tp_event, etc) and I'm not seeing any > places where a return value is honored nor could be. At best, the > perf_tp_event can be short-circuited it in the hlist_for_each, but > it'd still need a way to bubble up a failure and result in not calling > the trace/event that the hook precedes. No, none of the current trace hooks have return values. That was what I was talking about how to implement in my previous emails. -- Steve
