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He Kuang authored
TRACE_EVENT_FL_USE_CALL_FILTER flag in ftrace:functon event can be removed. This flag was first introduced in commit f306cc82 ("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. Link: http://lkml.kernel.org/r/1425367294-27852-1-git-send-email-hekuang@huawei.comSigned-off-by: He Kuang <hekuang@huawei.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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