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BSP 최초 추가
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#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 */
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