1#ifndef _ALPHA_SOFTIRQ_H
2#define _ALPHA_SOFTIRQ_H
3
4#include <linux/stddef.h>
5#include <asm/atomic.h>
6#include <asm/hardirq.h>
7
8extern inline void cpu_bh_disable(int cpu)
9{
10	local_bh_count(cpu)++;
11	barrier();
12}
13
14extern inline void __cpu_bh_enable(int cpu)
15{
16	barrier();
17	local_bh_count(cpu)--;
18}
19
20#define __local_bh_enable()	__cpu_bh_enable(smp_processor_id())
21#define local_bh_disable()	cpu_bh_disable(smp_processor_id())
22
23#define local_bh_enable()					\
24do {								\
25	int cpu;						\
26								\
27	barrier();						\
28	cpu = smp_processor_id();				\
29	if (!--local_bh_count(cpu) && softirq_pending(cpu))	\
30		do_softirq();					\
31} while (0)
32
33#define in_softirq() (local_bh_count(smp_processor_id()) != 0)
34
35#endif /* _ALPHA_SOFTIRQ_H */
36