blob: f6b5a46c5f827dbfa02f20252f4fcbf9d72100f9 (
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
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
#ifndef __LINUX_CACHE_H
#define __LINUX_CACHE_H
#include <linux/kernel.h>
#include <linux/config.h>
#include <asm/cache.h>
#ifndef L1_CACHE_ALIGN
#define L1_CACHE_ALIGN(x) ALIGN(x, L1_CACHE_BYTES)
#endif
#ifndef SMP_CACHE_BYTES
#define SMP_CACHE_BYTES L1_CACHE_BYTES
#endif
#if defined(CONFIG_X86) || defined(CONFIG_SPARC64)
#define __read_mostly __attribute__((__section__(".data.read_mostly")))
#else
#define __read_mostly
#endif
#ifndef ____cacheline_aligned
#define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES)))
#endif
#ifndef ____cacheline_aligned_in_smp
#ifdef CONFIG_SMP
#define ____cacheline_aligned_in_smp ____cacheline_aligned
#else
#define ____cacheline_aligned_in_smp
#endif /* CONFIG_SMP */
#endif
#ifndef __cacheline_aligned
#define __cacheline_aligned \
__attribute__((__aligned__(SMP_CACHE_BYTES), \
__section__(".data.cacheline_aligned")))
#endif /* __cacheline_aligned */
#ifndef __cacheline_aligned_in_smp
#ifdef CONFIG_SMP
#define __cacheline_aligned_in_smp __cacheline_aligned
#else
#define __cacheline_aligned_in_smp
#endif /* CONFIG_SMP */
#endif
#if !defined(____cacheline_maxaligned_in_smp)
#if defined(CONFIG_SMP)
#define ____cacheline_maxaligned_in_smp \
__attribute__((__aligned__(1 << (L1_CACHE_SHIFT_MAX))))
#else
#define ____cacheline_maxaligned_in_smp
#endif
#endif
#endif /* __LINUX_CACHE_H */
|
