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📄 softirq.h

📁 Linux内核源代码 为压缩文件 是<<Linux内核>>一书中的源代码
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#ifndef _ASM_IA64_SOFTIRQ_H#define _ASM_IA64_SOFTIRQ_H/* * Copyright (C) 1998-2000 Hewlett-Packard Co * Copyright (C) 1998-2000 David Mosberger-Tang <davidm@hpl.hp.com> */#include <asm/hardirq.h>#define cpu_bh_disable(cpu)	do { local_bh_count(cpu)++; barrier(); } while (0)#define cpu_bh_enable(cpu)	do { barrier(); local_bh_count(cpu)--; } 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)#endif /* _ASM_IA64_SOFTIRQ_H */

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