| #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_MITIGATION_PAGE_TABLE_ISOLATION | |
| # define DISABLE_PTI 0 | |
| #else | |
| # define DISABLE_PTI (1 << (X86_FEATURE_PTI & 31)) | |
| #endif | |
| #ifdef CONFIG_MITIGATION_RETPOLINE | |
| # define DISABLE_RETPOLINE 0 | |
| #else | |
| # define DISABLE_RETPOLINE ((1 << (X86_FEATURE_RETPOLINE & 31)) | \ | |
| (1 << (X86_FEATURE_RETPOLINE_LFENCE & 31))) | |
| #endif | |
| #ifdef CONFIG_MITIGATION_RETHUNK | |
| # define DISABLE_RETHUNK 0 | |
| #else | |
| # define DISABLE_RETHUNK (1 << (X86_FEATURE_RETHUNK & 31)) | |
| #endif | |
| #ifdef CONFIG_MITIGATION_UNRET_ENTRY | |
| # define DISABLE_UNRET 0 | |
| #else | |
| # define DISABLE_UNRET (1 << (X86_FEATURE_UNRET & 31)) | |
| #endif | |
| #ifdef CONFIG_MITIGATION_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 | |
| #ifdef CONFIG_X86_FRED | |
| # define DISABLE_FRED 0 | |
| #else | |
| # define DISABLE_FRED (1 << (X86_FEATURE_FRED & 31)) | |
| #endif | |
| #ifdef CONFIG_KVM_AMD_SEV | |
| #define DISABLE_SEV_SNP 0 | |
| #else | |
| #define DISABLE_SEV_SNP (1 << (X86_FEATURE_SEV_SNP & 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_FRED|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 (DISABLE_SEV_SNP) | |
| #define DISABLED_MASK20 0 | |
| #define DISABLED_MASK21 0 | |
| #define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 22) | |
| #endif /* _ASM_X86_DISABLED_FEATURES_H */ |