IRQ_ENTER 3 lib/locking-selftest-hardirq.h #undef IRQ_ENTER IRQ_ENTER 8 lib/locking-selftest-hardirq.h #define IRQ_ENTER HARDIRQ_ENTER IRQ_ENTER 3 lib/locking-selftest-softirq.h #undef IRQ_ENTER IRQ_ENTER 8 lib/locking-selftest-softirq.h #define IRQ_ENTER SOFTIRQ_ENTER