.. | .. |
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181 | 181 | #define PR_GET_THP_DISABLE 42 |
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182 | 182 | |
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183 | 183 | /* |
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184 | | - * Tell the kernel to start/stop helping userspace manage bounds tables. |
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| 184 | + * No longer implemented, but left here to ensure the numbers stay reserved: |
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185 | 185 | */ |
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186 | 186 | #define PR_MPX_ENABLE_MANAGEMENT 43 |
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187 | 187 | #define PR_MPX_DISABLE_MANAGEMENT 44 |
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.. | .. |
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219 | 219 | # define PR_SPEC_ENABLE (1UL << 1) |
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220 | 220 | # define PR_SPEC_DISABLE (1UL << 2) |
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221 | 221 | # define PR_SPEC_FORCE_DISABLE (1UL << 3) |
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| 222 | +# define PR_SPEC_DISABLE_NOEXEC (1UL << 4) |
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| 223 | + |
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| 224 | +/* Reset arm64 pointer authentication keys */ |
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| 225 | +#define PR_PAC_RESET_KEYS 54 |
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| 226 | +# define PR_PAC_APIAKEY (1UL << 0) |
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| 227 | +# define PR_PAC_APIBKEY (1UL << 1) |
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| 228 | +# define PR_PAC_APDAKEY (1UL << 2) |
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| 229 | +# define PR_PAC_APDBKEY (1UL << 3) |
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| 230 | +# define PR_PAC_APGAKEY (1UL << 4) |
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| 231 | + |
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| 232 | +/* Tagged user address controls for arm64 */ |
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| 233 | +#define PR_SET_TAGGED_ADDR_CTRL 55 |
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| 234 | +#define PR_GET_TAGGED_ADDR_CTRL 56 |
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| 235 | +# define PR_TAGGED_ADDR_ENABLE (1UL << 0) |
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| 236 | +/* MTE tag check fault modes */ |
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| 237 | +# define PR_MTE_TCF_SHIFT 1 |
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| 238 | +# define PR_MTE_TCF_NONE (0UL << PR_MTE_TCF_SHIFT) |
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| 239 | +# define PR_MTE_TCF_SYNC (1UL << PR_MTE_TCF_SHIFT) |
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| 240 | +# define PR_MTE_TCF_ASYNC (2UL << PR_MTE_TCF_SHIFT) |
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| 241 | +# define PR_MTE_TCF_MASK (3UL << PR_MTE_TCF_SHIFT) |
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| 242 | +/* MTE tag inclusion mask */ |
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| 243 | +# define PR_MTE_TAG_SHIFT 3 |
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| 244 | +# define PR_MTE_TAG_MASK (0xffffUL << PR_MTE_TAG_SHIFT) |
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| 245 | + |
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| 246 | +/* Control reclaim behavior when allocating memory */ |
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| 247 | +#define PR_SET_IO_FLUSHER 57 |
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| 248 | +#define PR_GET_IO_FLUSHER 58 |
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222 | 249 | |
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223 | 250 | #endif /* _LINUX_PRCTL_H */ |
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