Pull perf/urgent fixes from Carvalho de Melo: - Update prctl and cpufeatures.h tools/ copies with the kernel sources originals, which makes 'perf trace' know about the new prctl options for speculation control and silences the build warnings (Arnaldo Carvalho de Melo) - Update insn.h in Intel-PT instruction decoder with its original from from the kernel sources, to silence build warnings, no effect on the actual tools this time around (Arnaldo Carvalho de Melo)
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| @@ -207,4 +207,16 @@ struct prctl_mm_map { · 206 unmodified lines | ||
| 207 | 207 | # define PR_SVE_VL_LEN_MASK 0xffff |
| 208 | 208 | # define PR_SVE_VL_INHERIT (1 << 17) /* inherit across exec */ |
| 209 | 209 | |
| 210 | +/* Per task speculation control */ | |
| 211 | +#define PR_GET_SPECULATION_CTRL 52 | |
| 212 | +#define PR_SET_SPECULATION_CTRL 53 | |
| 213 | +/* Speculation control variants */ | |
| 214 | +# define PR_SPEC_STORE_BYPASS 0 | |
| 215 | +/* Return and control values for PR_SET/GET_SPECULATION_CTRL */ | |
| 216 | +# define PR_SPEC_NOT_AFFECTED 0 | |
| 217 | +# define PR_SPEC_PRCTL (1UL << 0) | |
| 218 | +# define PR_SPEC_ENABLE (1UL << 1) | |
| 219 | +# define PR_SPEC_DISABLE (1UL << 2) | |
| 220 | +# define PR_SPEC_FORCE_DISABLE (1UL << 3) | |
| 221 | + | |
| 210 | 222 | #endif /* _LINUX_PRCTL_H */ |