include/asm-m68k/hardirq.h

   1 #ifndef __M68K_HARDIRQ_H
   2 #define __M68K_HARDIRQ_H
   3
   4 #include <linux/threads.h>
   5
   6 extern unsigned int local_irq_count[NR_CPUS];
   7
   8 #define in_interrupt() (local_irq_count[smp_processor_id()] + local_bh_count[smp_processor_id()] != 0)
   9
  10 #define in_irq() (local_irq_count[smp_processor_id()] != 0)
  11
  12 #define hardirq_trylock(cpu)    (local_irq_count[cpu] == 0)
  13 #define hardirq_endlock(cpu)    do { } while (0)
  14
  15 #define irq_enter(cpu)          (local_irq_count[cpu]++)
  16 #define irq_exit(cpu)           (local_irq_count[cpu]--)
  17
  18 #define synchronize_irq()       barrier()
  19
  20 #endif