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      1 #ifndef _ARCH_X86_CACHE_H
      2 #define _ARCH_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
     21