include/asm-s390/softirq.h

   1 /*
   2  *  include/asm-s390/softirq.h
   3  *
   4  *  S390 version
   5  *
   6  *  Derived from "include/asm-i386/softirq.h"
   7  */
   8
   9 #ifndef __ASM_SOFTIRQ_H
  10 #define __ASM_SOFTIRQ_H
  11
  12 #ifndef __LINUX_SMP_H
  13 #include <linux/smp.h>
  14 #endif
  15
  16 #include <asm/atomic.h>
  17 #include <asm/hardirq.h>
  18 #include <asm/lowcore.h>
  19
  20 #define cpu_bh_disable(cpu)     do { atomic_inc(&S390_lowcore.local_bh_count); barrier(); } while (0)
  21 #define cpu_bh_enable(cpu)      do { barrier(); atomic_dec(&S390_lowcore.local_bh_count); } while (0)
  22
  23 #define local_bh_disable()      cpu_bh_disable(smp_processor_id())
  24 #define local_bh_enable()       cpu_bh_enable(smp_processor_id())
  25
  26 #define in_softirq() (atomic_read(&S390_lowcore.local_bh_count) != 0)
  27
  28 #endif  /* __ASM_SOFTIRQ_H */
  29
  30
  31
  32
  33
  34
  35