name : 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_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)) # define DISABLE_PCID 0 #else # define DISABLE_VME 0 # define DISABLE_K6_MTRR 0 # define DISABLE_CYRIX_ARR 0 # define DISABLE_CENTAUR_MCR 0 # define DISABLE_PCID (1<<(X86_FEATURE_PCID & 31)) #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 */ #ifdef CONFIG_X86_5LEVEL # define DISABLE_LA57 0 #else # define DISABLE_LA57 (1<<(X86_FEATURE_LA57 & 31)) #endif #ifdef CONFIG_PAGE_TABLE_ISOLATION # define DISABLE_PTI 0 #else # define DISABLE_PTI (1 << (X86_FEATURE_PTI & 31)) #endif #ifdef CONFIG_RETPOLINE # define DISABLE_RETPOLINE 0 #else # define DISABLE_RETPOLINE ((1 << (X86_FEATURE_RETPOLINE & 31)) | \ (1 << (X86_FEATURE_RETPOLINE_LFENCE & 31))) #endif #ifdef CONFIG_RETHUNK # define DISABLE_RETHUNK 0 #else # define DISABLE_RETHUNK (1 << (X86_FEATURE_RETHUNK & 31)) #endif #ifdef CONFIG_CPU_UNRET_ENTRY # define DISABLE_UNRET 0 #else # define DISABLE_UNRET (1 << (X86_FEATURE_UNRET & 31)) #endif #ifdef CONFIG_CALL_DEPTH_TRACKING # define DISABLE_CALL_DEPTH_TRACKING 0 #else # define DISABLE_CALL_DEPTH_TRACKING (1 << (X86_FEATURE_CALL_DEPTH & 31)) #endif #ifdef CONFIG_ADDRESS_MASKING # define DISABLE_LAM 0 #else # define DISABLE_LAM (1 << (X86_FEATURE_LAM & 31)) #endif #ifdef CONFIG_INTEL_IOMMU_SVM # define DISABLE_ENQCMD 0 #else # define DISABLE_ENQCMD (1 << (X86_FEATURE_ENQCMD & 31)) #endif #ifdef CONFIG_X86_SGX # define DISABLE_SGX 0 #else # define DISABLE_SGX (1 << (X86_FEATURE_SGX & 31)) #endif #ifdef CONFIG_XEN_PV # define DISABLE_XENPV 0 #else # define DISABLE_XENPV (1 << (X86_FEATURE_XENPV & 31)) #endif #ifdef CONFIG_INTEL_TDX_GUEST # define DISABLE_TDX_GUEST 0 #else # define DISABLE_TDX_GUEST (1 << (X86_FEATURE_TDX_GUEST & 31)) #endif #ifdef CONFIG_X86_USER_SHADOW_STACK #define DISABLE_USER_SHSTK 0 #else #define DISABLE_USER_SHSTK (1 << (X86_FEATURE_USER_SHSTK & 31)) #endif #ifdef CONFIG_X86_KERNEL_IBT #define DISABLE_IBT 0 #else #define DISABLE_IBT (1 << (X86_FEATURE_IBT & 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 (DISABLE_PCID) #define DISABLED_MASK5 0 #define DISABLED_MASK6 0 #define DISABLED_MASK7 (DISABLE_PTI) #define DISABLED_MASK8 (DISABLE_XENPV|DISABLE_TDX_GUEST) #define DISABLED_MASK9 (DISABLE_SGX) #define DISABLED_MASK10 0 #define DISABLED_MASK11 (DISABLE_RETPOLINE|DISABLE_RETHUNK|DISABLE_UNRET| \ DISABLE_CALL_DEPTH_TRACKING|DISABLE_USER_SHSTK) #define DISABLED_MASK12 (DISABLE_LAM) #define DISABLED_MASK13 0 #define DISABLED_MASK14 0 #define DISABLED_MASK15 0 #define DISABLED_MASK16 (DISABLE_PKU|DISABLE_OSPKE|DISABLE_LA57|DISABLE_UMIP| \ DISABLE_ENQCMD) #define DISABLED_MASK17 0 #define DISABLED_MASK18 (DISABLE_IBT) #define DISABLED_MASK19 0 #define DISABLED_MASK20 0 #define DISABLED_MASK21 0 #define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 22) #endif /* _ASM_X86_DISABLED_FEATURES_H */