projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 381aa07a DH |
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 | ||
| dae0a105 AL |
13 | #ifdef CONFIG_X86_SMAP |
| 14 | # define DISABLE_SMAP 0 | |
| 15 | #else | |
| 16 | # define DISABLE_SMAP (1<<(X86_FEATURE_SMAP & 31)) | |
| 17 | #endif | |
| 18 | ||
| b971880f | 19 | #ifdef CONFIG_X86_UMIP |
| 3522c2a6 RN |
20 | # define DISABLE_UMIP 0 |
| 21 | #else | |
| 22 | # define DISABLE_UMIP (1<<(X86_FEATURE_UMIP & 31)) | |
| 23 | #endif | |
| 24 | ||
| 9298b815 DH |
25 | #ifdef CONFIG_X86_64 |
| 26 | # define DISABLE_VME (1<<(X86_FEATURE_VME & 31)) | |
| 27 | # define DISABLE_K6_MTRR (1<<(X86_FEATURE_K6_MTRR & 31)) | |
| 28 | # define DISABLE_CYRIX_ARR (1<<(X86_FEATURE_CYRIX_ARR & 31)) | |
| 29 | # define DISABLE_CENTAUR_MCR (1<<(X86_FEATURE_CENTAUR_MCR & 31)) | |
| cba4671a | 30 | # define DISABLE_PCID 0 |
| 9298b815 DH |
31 | #else |
| 32 | # define DISABLE_VME 0 | |
| 33 | # define DISABLE_K6_MTRR 0 | |
| 34 | # define DISABLE_CYRIX_ARR 0 | |
| 35 | # define DISABLE_CENTAUR_MCR 0 | |
| cba4671a | 36 | # define DISABLE_PCID (1<<(X86_FEATURE_PCID & 31)) |
| 9298b815 DH |
37 | #endif /* CONFIG_X86_64 */ |
| 38 | ||
| dfb4a70f | 39 | #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS |
| dfb4a70f DH |
40 | # define DISABLE_PKU 0 |
| 41 | # define DISABLE_OSPKE 0 | |
| e8df1a95 DH |
42 | #else |
| 43 | # define DISABLE_PKU (1<<(X86_FEATURE_PKU & 31)) | |
| 44 | # define DISABLE_OSPKE (1<<(X86_FEATURE_OSPKE & 31)) | |
| dfb4a70f DH |
45 | #endif /* CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS */ |
| 46 | ||
| 3677d4c6 KS |
47 | #ifdef CONFIG_X86_5LEVEL |
| 48 | # define DISABLE_LA57 0 | |
| 49 | #else | |
| 50 | # define DISABLE_LA57 (1<<(X86_FEATURE_LA57 & 31)) | |
| 51 | #endif | |
| 52 | ||
| a89f040f TG |
53 | #ifdef CONFIG_PAGE_TABLE_ISOLATION |
| 54 | # define DISABLE_PTI 0 | |
| 55 | #else | |
| 56 | # define DISABLE_PTI (1 << (X86_FEATURE_PTI & 31)) | |
| 57 | #endif | |
| 58 | ||
| acd303fe PZ |
59 | #ifdef CONFIG_RETPOLINE |
| 60 | # define DISABLE_RETPOLINE 0 | |
| 61 | #else | |
| 62 | # define DISABLE_RETPOLINE ((1 << (X86_FEATURE_RETPOLINE & 31)) | \ | |
| 196de01a PZ |
63 | (1 << (X86_FEATURE_RETPOLINE_LFENCE & 31)) | \ |
| 64 | (1 << (X86_FEATURE_RETHUNK & 31))) | |
| acd303fe PZ |
65 | #endif |
| 66 | ||
| 9bfecd05 TG |
67 | /* Force disable because it's broken beyond repair */ |
| 68 | #define DISABLE_ENQCMD (1 << (X86_FEATURE_ENQCMD & 31)) | |
| 1478b99a | 69 | |
| e7b6385b SC |
70 | #ifdef CONFIG_X86_SGX |
| 71 | # define DISABLE_SGX 0 | |
| 72 | #else | |
| 73 | # define DISABLE_SGX (1 << (X86_FEATURE_SGX & 31)) | |
| 74 | #endif | |
| 75 | ||
| 381aa07a DH |
76 | /* |
| 77 | * Make sure to add features to the correct mask | |
| 78 | */ | |
| 9298b815 | 79 | #define DISABLED_MASK0 (DISABLE_VME) |
| 381aa07a DH |
80 | #define DISABLED_MASK1 0 |
| 81 | #define DISABLED_MASK2 0 | |
| 9298b815 | 82 | #define DISABLED_MASK3 (DISABLE_CYRIX_ARR|DISABLE_CENTAUR_MCR|DISABLE_K6_MTRR) |
| cba4671a | 83 | #define DISABLED_MASK4 (DISABLE_PCID) |
| 381aa07a DH |
84 | #define DISABLED_MASK5 0 |
| 85 | #define DISABLED_MASK6 0 | |
| a89f040f | 86 | #define DISABLED_MASK7 (DISABLE_PTI) |
| 381aa07a | 87 | #define DISABLED_MASK8 0 |
| e7b6385b | 88 | #define DISABLED_MASK9 (DISABLE_SMAP|DISABLE_SGX) |
| dfb4a70f | 89 | #define DISABLED_MASK10 0 |
| acd303fe | 90 | #define DISABLED_MASK11 (DISABLE_RETPOLINE) |
| dfb4a70f DH |
91 | #define DISABLED_MASK12 0 |
| 92 | #define DISABLED_MASK13 0 | |
| 93 | #define DISABLED_MASK14 0 | |
| 94 | #define DISABLED_MASK15 0 | |
| 1478b99a FY |
95 | #define DISABLED_MASK16 (DISABLE_PKU|DISABLE_OSPKE|DISABLE_LA57|DISABLE_UMIP| \ |
| 96 | DISABLE_ENQCMD) | |
| 6e17cb9c | 97 | #define DISABLED_MASK17 0 |
| 95ca0ee8 | 98 | #define DISABLED_MASK18 0 |
| fb35d30f SC |
99 | #define DISABLED_MASK19 0 |
| 100 | #define DISABLED_MASK_CHECK BUILD_BUG_ON_ZERO(NCAPINTS != 20) | |
| 381aa07a DH |
101 | |
| 102 | #endif /* _ASM_X86_DISABLED_FEATURES_H */ |