| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 | |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 11 | #define __read_mostly __section(".data..read_mostly") |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 */ |