diff options
Diffstat (limited to 'arch/x86/include/asm/cacheinfo.h')
| -rw-r--r-- | arch/x86/include/asm/cacheinfo.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/cacheinfo.h b/arch/x86/include/asm/cacheinfo.h index 86b2e0dcc4bf..c3873962a7cd 100644 --- a/arch/x86/include/asm/cacheinfo.h +++ b/arch/x86/include/asm/cacheinfo.h @@ -2,6 +2,11 @@ #ifndef _ASM_X86_CACHEINFO_H #define _ASM_X86_CACHEINFO_H +/* Kernel controls MTRR and/or PAT MSRs. */ +extern unsigned int memory_caching_control; +#define CACHE_MTRR 0x01 +#define CACHE_PAT 0x02 + void cacheinfo_amd_init_llc_id(struct cpuinfo_x86 *c, int cpu); void cacheinfo_hygon_init_llc_id(struct cpuinfo_x86 *c, int cpu); |