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