1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_X86_CACHE_H
3#define _ASM_X86_CACHE_H
4
5#include <linux/linkage.h>
6
7/* L1 cache line size */
8#define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT)
9#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
10
11#define __read_mostly __attribute__((__section__(".data..read_mostly")))
12
13#define INTERNODE_CACHE_SHIFT CONFIG_X86_INTERNODE_CACHE_SHIFT
14#define INTERNODE_CACHE_BYTES (1 << INTERNODE_CACHE_SHIFT)
15
16#ifdef CONFIG_X86_VSMP
17#ifdef CONFIG_SMP
18#define __cacheline_aligned_in_smp \
19 __attribute__((__aligned__(INTERNODE_CACHE_BYTES))) \
20 __page_aligned_data
21#endif
22#endif
23
24#endif /* _ASM_X86_CACHE_H */
25