diff options
Diffstat (limited to 'include/asm-x86/cache_64.h')
| -rw-r--r-- | include/asm-x86/cache_64.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/asm-x86/cache_64.h b/include/asm-x86/cache_64.h new file mode 100644 index 00000000000..052df758ae6 --- /dev/null +++ b/include/asm-x86/cache_64.h @@ -0,0 +1,26 @@ +/* + * include/asm-x86_64/cache.h + */ +#ifndef __ARCH_X8664_CACHE_H +#define __ARCH_X8664_CACHE_H + + +/* L1 cache line size */ +#define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT) +#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) + +#ifdef CONFIG_X86_VSMP + +/* vSMP Internode cacheline shift */ +#define INTERNODE_CACHE_SHIFT (12) +#ifdef CONFIG_SMP +#define __cacheline_aligned_in_smp \ + __attribute__((__aligned__(1 << (INTERNODE_CACHE_SHIFT)))) \ + __attribute__((__section__(".data.page_aligned"))) +#endif + +#endif + +#define __read_mostly __attribute__((__section__(".data.read_mostly"))) + +#endif |