nr_hardirq_read_unsafe 209 kernel/locking/lockdep_proc.c nr_hardirq_read_safe = 0, nr_hardirq_read_unsafe = 0, nr_hardirq_read_unsafe 244 kernel/locking/lockdep_proc.c nr_hardirq_read_unsafe++; nr_hardirq_read_unsafe 315 kernel/locking/lockdep_proc.c nr_hardirq_read_unsafe);