tracepoint_printk_mutex 2526 kernel/trace/trace.c static DEFINE_MUTEX(tracepoint_printk_mutex);
tracepoint_printk_mutex 2563 kernel/trace/trace.c 	mutex_lock(&tracepoint_printk_mutex);
tracepoint_printk_mutex 2584 kernel/trace/trace.c 	mutex_unlock(&tracepoint_printk_mutex);