arch/s390/include/asm/percpu.h

   1 #ifndef __ARCH_S390_PERCPU__
   2 #define __ARCH_S390_PERCPU__
   3
   4 /*
   5  * s390 uses its own implementation for per cpu data, the offset of
   6  * the cpu local data area is cached in the cpu's lowcore memory.
   7  */
   8 #define __my_cpu_offset S390_lowcore.percpu_offset
   9
  10 /*
  11  * For 64 bit module code, the module may be more than 4G above the
  12  * per cpu area, use weak definitions to force the compiler to
  13  * generate external references.
  14  */
  15 #if defined(CONFIG_SMP) && defined(__s390x__) && defined(MODULE)
  16 #define ARCH_NEEDS_WEAK_PER_CPU
  17 #endif
  18
  19 #include <asm-generic/percpu.h>
  20
  21 #endif /* __ARCH_S390_PERCPU__ */