xref: /openbmc/linux/arch/x86/include/asm/cache.h (revision 9ac8d3fb)
1 #ifndef _ASM_X86_CACHE_H
2 #define _ASM_X86_CACHE_H
3 
4 /* L1 cache line size */
5 #define L1_CACHE_SHIFT	(CONFIG_X86_L1_CACHE_SHIFT)
6 #define L1_CACHE_BYTES	(1 << L1_CACHE_SHIFT)
7 
8 #define __read_mostly __attribute__((__section__(".data.read_mostly")))
9 
10 #ifdef CONFIG_X86_VSMP
11 /* vSMP Internode cacheline shift */
12 #define INTERNODE_CACHE_SHIFT (12)
13 #ifdef CONFIG_SMP
14 #define __cacheline_aligned_in_smp					\
15 	__attribute__((__aligned__(1 << (INTERNODE_CACHE_SHIFT))))	\
16 	__attribute__((__section__(".data.page_aligned")))
17 #endif
18 #endif
19 
20 #endif /* _ASM_X86_CACHE_H */
21