v2.4.8 -> v2.4.8.1
[opensuse:kernel.git] / include / asm-arm / softirq.h
1 #ifndef __ASM_SOFTIRQ_H
2 #define __ASM_SOFTIRQ_H
3
4 #include <asm/atomic.h>
5 #include <asm/hardirq.h>
6
7 #define __cpu_bh_enable(cpu) \
8                 do { barrier(); local_bh_count(cpu)--; } while (0)
9 #define cpu_bh_disable(cpu) \
10                 do { local_bh_count(cpu)++; barrier(); } while (0)
11
12 #define local_bh_disable()      cpu_bh_disable(smp_processor_id())
13 #define __local_bh_enable()     __cpu_bh_enable(smp_processor_id())
14
15 #define in_softirq()            (local_bh_count(smp_processor_id()) != 0)
16
17 #define local_bh_enable()                                               \
18 do {                                                                    \
19         unsigned int *ptr = &local_bh_count(smp_processor_id());        \
20         if (!--*ptr && ptr[-2])                                         \
21                 __asm__("bl%? __do_softirq": : : "lr");/* out of line */\
22 } while (0)
23
24 #define __cpu_raise_softirq(cpu, nr) __set_bit(nr, &softirq_pending(cpu))
25
26 #endif  /* __ASM_SOFTIRQ_H */