1#ifndef _ASM_X86_DISABLED_FEATURES_H 2#define _ASM_X86_DISABLED_FEATURES_H 3 4/* These features, although they might be available in a CPU 5 * will not be used because the compile options to support 6 * them are not present. 7 * 8 * This code allows them to be checked and disabled at 9 * compile time without an explicit #ifdef. Use 10 * cpu_feature_enabled(). 11 */ 12 13#ifdef CONFIG_X86_INTEL_MPX 14# define DISABLE_MPX 0 15#else 16# define DISABLE_MPX (1<<(X86_FEATURE_MPX & 31)) 17#endif 18 19#ifdef CONFIG_X86_64 20# define DISABLE_VME (1<<(X86_FEATURE_VME & 31)) 21# define DISABLE_K6_MTRR (1<<(X86_FEATURE_K6_MTRR & 31)) 22# define DISABLE_CYRIX_ARR (1<<(X86_FEATURE_CYRIX_ARR & 31)) 23# define DISABLE_CENTAUR_MCR (1<<(X86_FEATURE_CENTAUR_MCR & 31)) 24#else 25# define DISABLE_VME 0 26# define DISABLE_K6_MTRR 0 27# define DISABLE_CYRIX_ARR 0 28# define DISABLE_CENTAUR_MCR 0 29#endif /* CONFIG_X86_64 */ 30 31/* 32 * Make sure to add features to the correct mask 33 */ 34#define DISABLED_MASK0 (DISABLE_VME) 35#define DISABLED_MASK1 0 36#define DISABLED_MASK2 0 37#define DISABLED_MASK3 (DISABLE_CYRIX_ARR|DISABLE_CENTAUR_MCR|DISABLE_K6_MTRR) 38#define DISABLED_MASK4 0 39#define DISABLED_MASK5 0 40#define DISABLED_MASK6 0 41#define DISABLED_MASK7 0 42#define DISABLED_MASK8 0 43#define DISABLED_MASK9 (DISABLE_MPX) 44 45#endif /* _ASM_X86_DISABLED_FEATURES_H */ 46