Loading...
/*
* include/asm-s390/softirq.h
*
* S390 version
*
* Derived from "include/asm-i386/softirq.h"
*/
#ifndef __ASM_SOFTIRQ_H
#define __ASM_SOFTIRQ_H
#ifndef __LINUX_SMP_H
#include <linux/smp.h>
#endif
#include <asm/atomic.h>
#include <asm/hardirq.h>
#include <asm/lowcore.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)
extern void do_call_softirq(void);
#define local_bh_enable() \
do { \
unsigned int *ptr = &local_bh_count(smp_processor_id()); \
barrier(); \
if (!--*ptr) \
if (softirq_pending(smp_processor_id())) \
/* Use the async. stack for softirq */ \
do_call_softirq(); \
} while (0)
#endif /* __ASM_SOFTIRQ_H */
|