Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/*
2 * include/asm-x8664/cache.h
3 */
4#ifndef __ARCH_X8664_CACHE_H
5#define __ARCH_X8664_CACHE_H
6
7#include <linux/config.h>
8
9/* L1 cache line size */
10#define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT)
11#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
12
13#ifdef CONFIG_X86_VSMP
14
15/* vSMP Internode cacheline shift */
16#define INTERNODE_CACHE_SHIFT (12)
17#ifdef CONFIG_SMP
18#define __cacheline_aligned_in_smp \
19 __attribute__((__aligned__(1 << (INTERNODE_CACHE_SHIFT)))) \
20 __attribute__((__section__(".data.page_aligned")))
21#endif
22
23#endif
24
25#define __read_mostly __attribute__((__section__(".data.read_mostly")))
26
27#endif