diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/trace_events.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index b26d7bb07e11..106ae22f0464 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -1169,6 +1169,9 @@ static void remove_event_file_dir(struct trace_event_file *file) free_event_filter(file->filter); file->flags |= EVENT_FILE_FL_FREED; event_file_put(file); + + /* Wake up hist poll waiters to notice the EVENT_FILE_FL_FREED flag. */ + hist_poll_wakeup(); } /* |