Edit File: disabled-features.h
#ifndef _ASM_X86_DISABLED_FEATURES_H #define _ASM_X86_DISABLED_FEATURES_H /* These features, although they might be available in a CPU * will not be used because the compile options to support * them are not present. * * This code allows them to be checked and disabled at * compile time without an explicit #ifdef. Use * cpu_feature_enabled(). */ #ifdef CONFIG_X86_INTEL_MPX # define DISABLE_MPX 0 #else # define DISABLE_MPX (1<<(X86_FEATURE_MPX & 31)) #endif #ifdef CONFIG_X86_INTEL_UMIP # define DISABLE_UMIP 0 #else # define DISABLE_UMIP (1<<(X86_FEATURE_UMIP & 31)) #endif #ifdef CONFIG_X86_64 # define DISABLE_VME (1<<(X86_FEATURE_VME & 31)) # define DISABLE_K6_MTRR (1<<(X86_FEATURE_K6_MTRR & 31)) # define DISABLE_CYRIX_ARR (1<<(X86_FEATURE_CYRIX_ARR & 31)) # define DISABLE_CENTAUR_MCR (1<<(X86_FEATURE_CENTAUR_MCR & 31)) #else # define DISABLE_VME 0 # define DISABLE_K6_MTRR 0 # define DISABLE_CYRIX_ARR 0 # define DISABLE_CENTAUR_MCR 0 #endif /* CONFIG_X86_64 */ #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS # define DISABLE_PKU 0 # define DISABLE_OSPKE 0 #else # define DISABLE_PKU (1<<(X86_FEATURE_PKU & 31)) # define DISABLE_OSPKE (1<<(X86_FEATURE_OSPKE & 31)) #endif /* CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS */ #ifndef CONFIG_RETPOLINE # define DISABLE_RETPOLINE 0 #else # define DISABLE_RETPOLINE ((1 << (X86_FEATURE_RETPOLINE_AMD & 31)) | \ (1 << (X86_FEATURE_RETHUNK & 31)) | \ (1 << (X86_FEATURE_UNRET & 31))) #endif /* * Make sure to add features to the correct mask */ #define DISABLED_MASK0 (DISABLE_VME) #define DISABLED_MASK1 0 #define DISABLED_MASK2 0 #define DISABLED_MASK3 (DISABLE_CYRIX_ARR|DISABLE_CENTAUR_MCR|DISABLE_K6_MTRR) #define DISABLED_MASK4 0 #define DISABLED_MASK5 0 #define DISABLED_MASK6 0 #define DISABLED_MASK7 0 #define DISABLED_MASK8 0 #define DISABLED_MASK9 (DISABLE_MPX) #define DISABLED_MASK10 0 #define DISABLED_MASK11 (DISABLE_RETPOLINE) #define DISABLED_MASK12 0 #define DISABLED_MASK13 0 #define DISABLED_MASK14 0 #define DISABLED_MASK15 0 #define DISABLED_MASK16 (DISABLE_PKU|DISABLE_OSPKE|DISABLE_UMIP) #define DISABLED_MASK17 0 #define DISABLED_MASK18 0 #endif /* _ASM_X86_DISABLED_FEATURES_H */