softirq.h
上传用户:lgb322
上传日期:2013-02-24
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文件大小:1k
- /* softirq.h: 64-bit Sparc soft IRQ support.
- *
- * Copyright (C) 1997, 1998 David S. Miller (davem@caip.rutgers.edu)
- */
- #ifndef __SPARC64_SOFTIRQ_H
- #define __SPARC64_SOFTIRQ_H
- #include <asm/atomic.h>
- #include <asm/hardirq.h>
- #include <asm/system.h> /* for membar() */
- #define local_bh_disable() (local_bh_count(smp_processor_id())++)
- #define __local_bh_enable() (local_bh_count(smp_processor_id())--)
- #define local_bh_enable()
- do { if (!--local_bh_count(smp_processor_id()) &&
- softirq_pending(smp_processor_id())) {
- do_softirq();
- __sti();
- }
- } while (0)
- #define in_softirq() (local_bh_count(smp_processor_id()) != 0)
- #endif /* !(__SPARC64_SOFTIRQ_H) */