49 lines
1.2 KiB
C
Executable File
49 lines
1.2 KiB
C
Executable File
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1997, 1998, 1999, 2000, 2001 Ralf Baechle
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* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
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* Copyright (C) 1999, 2001 MIPS Technologies, Inc.
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*/
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#ifndef _ASM_SOFTIRQ_H
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#define _ASM_SOFTIRQ_H
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#include <asm/atomic.h>
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#include <asm/hardirq.h>
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extern inline void cpu_bh_disable(int cpu)
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{
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local_bh_count(cpu)++;
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barrier();
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}
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extern inline void __cpu_bh_enable(int cpu)
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{
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barrier();
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local_bh_count(cpu)--;
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}
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#define local_bh_disable() cpu_bh_disable(smp_processor_id())
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#define __local_bh_enable() __cpu_bh_enable(smp_processor_id())
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#define local_bh_enable() \
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do { \
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int cpu; \
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\
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barrier(); \
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cpu = smp_processor_id(); \
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if (!--local_bh_count(cpu) && softirq_pending(cpu)) \
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do_softirq(); \
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} while (0)
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#define in_softirq() (local_bh_count(smp_processor_id()) != 0)
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#ifdef __cpu_raise_softirq
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#undef __cpu_raise_softirq
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#define __cpu_raise_softirq(cpu, nr) set_bit(nr, &softirq_pending(cpu))
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#endif
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#endif /* _ASM_SOFTIRQ_H */
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