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 __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 | |