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C/C++ Source or Header  |  2006-08-11  |  603 b   |  27 lines

  1. /*
  2.  * include/asm-x8664/cache.h
  3.  */
  4. #ifndef __ARCH_X8664_CACHE_H
  5. #define __ARCH_X8664_CACHE_H
  6.  
  7.  
  8. /* L1 cache line size */
  9. #define L1_CACHE_SHIFT    (CONFIG_X86_L1_CACHE_SHIFT)
  10. #define L1_CACHE_BYTES    (1 << L1_CACHE_SHIFT)
  11.  
  12. #ifdef CONFIG_X86_VSMP
  13.  
  14. /* vSMP Internode cacheline shift */
  15. #define INTERNODE_CACHE_SHIFT (12)
  16. #ifdef CONFIG_SMP
  17. #define __cacheline_aligned_in_smp                    \
  18.        __attribute__((__aligned__(1 << (INTERNODE_CACHE_SHIFT))))         \
  19.        __attribute__((__section__(".data.page_aligned")))
  20. #endif
  21.  
  22. #endif
  23.  
  24. #define __read_mostly __attribute__((__section__(".data.read_mostly")))
  25.  
  26. #endif
  27.