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-x86_64/cache.h
3 */
4#ifndef __ARCH_X8664_CACHE_H
5#define __ARCH_X8664_CACHE_H
6
7
8/* L1 cache line size */
9#define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT)
10#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
11
12#ifdef CONFIG_X86_VSMP
13
14/* vSMP Internode cacheline shift */
15#define INTERNODE_CACHE_SHIFT (12)
16#ifdef CONFIG_SMP
17#define __cacheline_aligned_in_smp \
18 __attribute__((__aligned__(1 << (INTERNODE_CACHE_SHIFT)))) \
19 __attribute__((__section__(".data.page_aligned")))
20#endif
21
22#endif
23
24#define __read_mostly __attribute__((__section__(".data.read_mostly")))
25
26#endif