root/include/linux/bottom_half.h

INCLUDED FROM

DEFINITIONS

1. __local_bh_disable_ip
2. local_bh_disable
3. local_bh_enable_ip
4. local_bh_enable

#ifndef _LINUX_BH_H
#define _LINUX_BH_H

#include <linux/preempt.h>
#include <linux/preempt_mask.h>

#ifdef CONFIG_TRACE_IRQFLAGS
extern void __local_bh_disable_ip(unsigned long ip, unsigned int cnt);
#else
static __always_inline void __local_bh_disable_ip(unsigned long ip, unsigned int cnt)
{
        preempt_count_add(cnt);
        barrier();
}
#endif

static inline void local_bh_disable(void)
{
        __local_bh_disable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET);
}

extern void _local_bh_enable(void);
extern void __local_bh_enable_ip(unsigned long ip, unsigned int cnt);

static inline void local_bh_enable_ip(unsigned long ip)
{
        __local_bh_enable_ip(ip, SOFTIRQ_DISABLE_OFFSET);
}

static inline void local_bh_enable(void)
{
        __local_bh_enable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET);
}

#endif /* _LINUX_BH_H */