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-rw-r--r--include/asm-x86/cache.h23
1 files changed, 19 insertions, 4 deletions
diff --git a/include/asm-x86/cache.h b/include/asm-x86/cache.h
index c36d190ac9d8..1e0bac86f38f 100644
--- a/include/asm-x86/cache.h
+++ b/include/asm-x86/cache.h
@@ -1,5 +1,20 @@
1#ifdef CONFIG_X86_32 1#ifndef _ARCH_X86_CACHE_H
2# include "cache_32.h" 2#define _ARCH_X86_CACHE_H
3#else 3
4# include "cache_64.h" 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
5#endif 20#endif