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#ifndef __ASM_SOFTIRQ_H

#define __ASM_SOFTIRQ_H

#include <asm/atomic.h>

#include <asm/hardirq.h>

#define __cpu_bh_enable(cpu) \

                do { barrier(); local_bh_count(cpu)--; } while (0)

#define cpu_bh_disable(cpu) \

                do { local_bh_count(cpu)++; barrier(); } 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)

/*

 * NOTE: this assembly code assumes:

 *

 *    (char *)&local_bh_count - 8 == (char *)&softirq_pending

 *

 * If you change the offsets in irq_stat then you have to

 * update this code as well.

 */

#define local_bh_enable()                                               \

do {                                                                    \

        unsigned int *ptr = &local_bh_count(smp_processor_id());        \

                                                                        \

        barrier();                                                      \

        if (!--*ptr)                                                    \

                __asm__ __volatile__ (                                  \

                        "cmpl $0, -8(%0);"                              \

                        "jnz 2f;"                                       \

                        "1:;"                                           \

                                                                        \

                        LOCK_SECTION_START("")                          \

                        "2: pushl %%eax; pushl %%ecx; pushl %%edx;"     \

                        "call %c1;"                                     \

                        "popl %%edx; popl %%ecx; popl %%eax;"           \

                        "jmp 1b;"                                       \

                        LOCK_SECTION_END                                \

                                                                        \

                : /* no output */                                       \

                : "r" (ptr), "i" (do_softirq)                           \

                /* no registers clobbered */ );                         \

} while (0)

#endif  /* __ASM_SOFTIRQ_H */