softirq.h
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:1k
- #ifndef __ASM_SOFTIRQ_H
- #define __ASM_SOFTIRQ_H
- #include <asm/atomic.h>
- #include <asm/hardirq.h>
- #define __cpu_bh_enable(cpu)
- do { barrier(); local_bh_count(cpu)--; } while (0)
- #define cpu_bh_disable(cpu)
- do { local_bh_count(cpu)++; barrier(); } while (0)
- #define local_bh_disable() cpu_bh_disable(smp_processor_id())
- #define __local_bh_enable() __cpu_bh_enable(smp_processor_id())
- #define in_softirq() (local_bh_count(smp_processor_id()) != 0)
- #define local_bh_enable()
- do {
- unsigned int *ptr = &local_bh_count(smp_processor_id());
- if (!--*ptr && ptr[-2])
- __asm__("bl%? __do_softirq": : : "lr");/* out of line */
- } while (0)
- #endif /* __ASM_SOFTIRQ_H */