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 000000000000..052df758ae61 --- /dev/null +++ b/include/asm-x86/cache_64.h | |||
@@ -0,0 +1,26 @@ | |||
1 | /* | ||
2 | * include/asm-x86_64/cache.h | ||
3 | */ | ||
4 | #ifndef __ARCH_X8664_CACHE_H | ||
5 | #define __ARCH_X8664_CACHE_H | ||
6 | |||
7 | |||
8 | /* L1 cache line size */ | ||
9 | #define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT) | ||
10 | #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) | ||
11 | |||
12 | #ifdef CONFIG_X86_VSMP | ||
13 | |||
14 | /* vSMP Internode cacheline shift */ | ||
15 | #define INTERNODE_CACHE_SHIFT (12) | ||
16 | #ifdef CONFIG_SMP | ||
17 | #define __cacheline_aligned_in_smp \ | ||
18 | __attribute__((__aligned__(1 << (INTERNODE_CACHE_SHIFT)))) \ | ||
19 | __attribute__((__section__(".data.page_aligned"))) | ||
20 | #endif | ||
21 | |||
22 | #endif | ||
23 | |||
24 | #define __read_mostly __attribute__((__section__(".data.read_mostly"))) | ||
25 | |||
26 | #endif | ||