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v0.8.1
https://github.com/torvalds/linux
Raw File
Tip revision: 88603b6dc419445847923fcb7fe5080067a30f98 authored by Linus Torvalds on 01 January 2023, 21:53:16 UTC
Linux 6.2-rc2
Tip revision: 88603b6
cache.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_CACHE_H
#define _ASM_X86_CACHE_H

#include <linux/linkage.h>

/* L1 cache line size */
#define L1_CACHE_SHIFT	(CONFIG_X86_L1_CACHE_SHIFT)
#define L1_CACHE_BYTES	(1 << L1_CACHE_SHIFT)

#define __read_mostly __section(".data..read_mostly")

#define INTERNODE_CACHE_SHIFT CONFIG_X86_INTERNODE_CACHE_SHIFT
#define INTERNODE_CACHE_BYTES (1 << INTERNODE_CACHE_SHIFT)

#ifdef CONFIG_X86_VSMP
#ifdef CONFIG_SMP
#define __cacheline_aligned_in_smp					\
	__attribute__((__aligned__(INTERNODE_CACHE_BYTES)))		\
	__page_aligned_data
#endif
#endif

#endif /* _ASM_X86_CACHE_H */
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