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Linux Cross Reference
Linux/include/asm-s390/softirq.h

Version: ~ [ 2.4.0 ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~ 
  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 { local_bh_count(cpu)++; barrier(); } while (0)
 21 #define cpu_bh_enable(cpu)      do { barrier(); local_bh_count(cpu)--; } 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() (local_bh_count(smp_processor_id()) != 0)
 27 
 28 #endif  /* __ASM_SOFTIRQ_H */
 29 
 30 
 31 
 32 
 33 
 34 
 35 
 36
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