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fine __IRQ_STAT(cpu, member) (irq_stat[cpu].member)
#endif
/* arch independent irq_stat fields */
#define local_softirq_pending() \
__IRQ_STAT(smp_processor_id(), __softirq_pending)
其中的smp_processor_id()如果追下去会很复杂,其实它最后只是一个数字:cpu的号码,单cpu中为0.
2.#define __raise_softirq_irqoff(nr) d页码:[1] [2] [3] [4] [5] 第4页、共5页 |