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-rw-r--r--include/asm-x86/cache_64.h26
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