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C/C++ Source or Header  |  2008-12-24  |  647 b   |  29 lines
  1. #ifndef __ARCH_SPARC64_PERCPU__
  2. #define __ARCH_SPARC64_PERCPU__
  3.  
  4. #include <linux/compiler.h>
  5.  
  6. register unsigned long __local_per_cpu_offset asm("g5");
  7.  
  8. #ifdef CONFIG_SMP
  9.  
  10. extern void real_setup_per_cpu_areas(void);
  11.  
  12. extern unsigned long __per_cpu_base;
  13. extern unsigned long __per_cpu_shift;
  14. #define __per_cpu_offset(__cpu) \
  15.     (__per_cpu_base + ((unsigned long)(__cpu) << __per_cpu_shift))
  16. #define per_cpu_offset(x) (__per_cpu_offset(x))
  17.  
  18. #define __my_cpu_offset __local_per_cpu_offset
  19.  
  20. #else /* ! SMP */
  21.  
  22. #define real_setup_per_cpu_areas()        do { } while (0)
  23.  
  24. #endif    /* SMP */
  25.  
  26. #include <asm-generic/percpu.h>
  27.  
  28. #endif /* __ARCH_SPARC64_PERCPU__ */
  29.