From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- arch/x86/include/asm/cache.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 arch/x86/include/asm/cache.h (limited to 'arch/x86/include/asm/cache.h') diff --git a/arch/x86/include/asm/cache.h b/arch/x86/include/asm/cache.h new file mode 100644 index 00000000..48f99f15 --- /dev/null +++ b/arch/x86/include/asm/cache.h @@ -0,0 +1,23 @@ +#ifndef _ASM_X86_CACHE_H +#define _ASM_X86_CACHE_H + +#include + +/* L1 cache line size */ +#define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT) +#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) + +#define __read_mostly __attribute__((__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 */ -- cgit v1.3.1