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/*

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 *

 * Copyright (C) 1997, 1998, 1999, 2000, 2001 by Ralf Baechle

 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.

 * Copyright (C) 2001 MIPS Technologies, Inc.

 */

#ifndef _ASM_SOFTIRQ_H

#define _ASM_SOFTIRQ_H

#include <asm/atomic.h>

#include <asm/hardirq.h>

static inline void cpu_bh_disable(int cpu)

{

        local_bh_count(cpu)++;

        barrier();

}

static inline void __cpu_bh_enable(int cpu)

{

        barrier();

        local_bh_count(cpu)--;

}

#define local_bh_disable()      cpu_bh_disable(smp_processor_id())

#define __local_bh_enable()     __cpu_bh_enable(smp_processor_id())

#define local_bh_enable()                                       \

do {                                                            \

        int cpu;                                                \

                                                                \

        barrier();                                              \

        cpu = smp_processor_id();                               \

        if (!--local_bh_count(cpu) && softirq_pending(cpu))     \

                do_softirq();                                   \

} while (0)

#define in_softirq() (local_bh_count(smp_processor_id()) != 0)

#endif /* _ASM_SOFTIRQ_H */