summaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/cache.h
blob: 48f99f15452e7d111e8bad21a4830d21231071cc (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
#ifndef _ASM_X86_CACHE_H
#define _ASM_X86_CACHE_H

#include <linux/linkage.h>

/* L1 cache line size */
#define L1_CACHE_SHIFT	(CONFIG_X86_L1_CACHE_SHIFT)
#define L1_CACHE_BYTES	(1 << L1_CACHE_SHIFT)

#define __read_mostly __attribute__((__section__(".data..read_mostly")))

#define INTERNODE_CACHE_SHIFT CONFIG_X86_INTERNODE_CACHE_SHIFT
#define INTERNODE_CACHE_BYTES (1 << INTERNODE_CACHE_SHIFT)

#ifdef CONFIG_X86_VSMP
#ifdef CONFIG_SMP
#define __cacheline_aligned_in_smp					\
	__attribute__((__aligned__(INTERNODE_CACHE_BYTES)))		\
	__page_aligned_data
#endif
#endif

#endif /* _ASM_X86_CACHE_H */