diff options
| -rw-r--r-- | kernel/trace/trace_events.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 069e92856bda..fe0ea14d809e 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -622,7 +622,6 @@ EXPORT_SYMBOL_GPL(trace_event_raw_init); bool trace_event_ignore_this_pid(struct trace_event_file *trace_file) { struct trace_array *tr = trace_file->tr; - struct trace_array_cpu *data; struct trace_pid_list *no_pid_list; struct trace_pid_list *pid_list; @@ -632,9 +631,11 @@ bool trace_event_ignore_this_pid(struct trace_event_file *trace_file) if (!pid_list && !no_pid_list) return false; - data = this_cpu_ptr(tr->array_buffer.data); - - return data->ignore_pid; + /* + * This is recorded at every sched_switch for this task. + * Thus, even if the task migrates the ignore value will be the same. + */ + return this_cpu_read(tr->array_buffer.data->ignore_pid) != 0; } EXPORT_SYMBOL_GPL(trace_event_ignore_this_pid); |