On Mon, Mar 2, 2015 at 11:21 PM, He Kuang <[email protected]> wrote: > TRACE_EVENT_FL_USE_CALL_FILTER flag in ftrace:functon event can be > removed. This flag was first introduced in commit > f306cc82a93d ("tracing: Update event filters for multibuffer"). > > Now, the only place uses this flag is ftrace:function, but the filter of > ftrace:function has a different code path with events/syscalls and > events/tracepoints. It uses ftrace_filter_write() and perf's > ftrace_profile_set_filter() to set the filter, the functionality of file > 'tracing/events/ftrace/function/filter' is bypassed in function > init_pred(), in which case, neither call->filter nor file->filter is > used. > > So we can safely remove TRACE_EVENT_FL_USE_CALL_FILTER flag from > ftrace:function events.
every time I looked at this piece of code was wondering about the same. So intent definitely looks good to me. Thanks for cleaning it up. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

