SOFTIRQ_DISABLE_OFFSET 19 include/linux/bottom_half.h __local_bh_disable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET); SOFTIRQ_DISABLE_OFFSET 27 include/linux/bottom_half.h __local_bh_enable_ip(ip, SOFTIRQ_DISABLE_OFFSET); SOFTIRQ_DISABLE_OFFSET 32 include/linux/bottom_half.h __local_bh_enable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET); SOFTIRQ_DISABLE_OFFSET 133 include/linux/preempt.h #define SOFTIRQ_LOCK_OFFSET (SOFTIRQ_DISABLE_OFFSET + PREEMPT_LOCK_OFFSET) SOFTIRQ_DISABLE_OFFSET 162 kernel/softirq.c __local_bh_enable(SOFTIRQ_DISABLE_OFFSET); SOFTIRQ_DISABLE_OFFSET 176 kernel/softirq.c if (softirq_count() == SOFTIRQ_DISABLE_OFFSET)