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