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C/C++ Source or Header  |  2008-12-24  |  559 b   |  21 lines
  1. #ifndef _ASM_X86_CACHE_H
  2. #define _ASM_X86_CACHE_H
  3.  
  4. /* L1 cache line size */
  5. #define L1_CACHE_SHIFT    (CONFIG_X86_L1_CACHE_SHIFT)
  6. #define L1_CACHE_BYTES    (1 << L1_CACHE_SHIFT)
  7.  
  8. #define __read_mostly __attribute__((__section__(".data.read_mostly")))
  9.  
  10. #ifdef CONFIG_X86_VSMP
  11. /* vSMP Internode cacheline shift */
  12. #define INTERNODE_CACHE_SHIFT (12)
  13. #ifdef CONFIG_SMP
  14. #define __cacheline_aligned_in_smp                    \
  15.     __attribute__((__aligned__(1 << (INTERNODE_CACHE_SHIFT))))    \
  16.     __attribute__((__section__(".data.page_aligned")))
  17. #endif
  18. #endif
  19.  
  20. #endif /* _ASM_X86_CACHE_H */
  21.