diff options
| -rw-r--r-- | kernel/trace/trace_events.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index fb0261e90acc..292bccf3e011 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -1729,14 +1729,15 @@ ftrace_event_pid_write(struct file *filp, const char __user *ubuf, tr, INT_MAX); register_trace_prio_sched_wakeup(event_filter_pid_sched_wakeup_probe_post, tr, 0); - - /* - * Ignoring of pids is done at task switch. But we have to - * check for those tasks that are currently running. - */ - on_each_cpu(ignore_task_cpu, tr, 1); } + /* + * Ignoring of pids is done at task switch. But we have to + * check for those tasks that are currently running. + * Always do this in case a pid was appended or removed. + */ + on_each_cpu(ignore_task_cpu, tr, 1); + mutex_unlock(&event_mutex); ret = read; |