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| author | David Woodhouse <dwmw2@infradead.org> | 2007-10-13 14:58:23 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2007-10-13 14:58:23 +0100 |
| commit | ebf8889bd1fe3615991ff4494635d237280652a2 (patch) | |
| tree | 10fb735717122bbb86474339eac07f26e7ccdf40 /include/asm-x86/cache_64.h | |
| parent | b160292cc216a50fd0cd386b0bda2cd48352c73b (diff) | |
| parent | 752097cec53eea111d087c545179b421e2bde98a (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
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 |