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| author | akpm <akpm@linux-foundation.org> | 2022-06-27 10:31:44 -0700 |
|---|---|---|
| committer | akpm <akpm@linux-foundation.org> | 2022-06-27 10:31:44 -0700 |
| commit | ee56c3e8eec166f4e4a2ca842b7804d14f3a0208 (patch) | |
| tree | 3bcee4a6090d681b7bbb49d1946c95798f166159 /tools/include/uapi/linux/prctl.h | |
| parent | 00c9d5632277b21ba8802e26c27254cd9d0dfa13 (diff) | |
| parent | 03c765b0e3b4cb5063276b086c76f7a612856a9a (diff) | |
Merge branch 'master' into mm-nonmm-stable
Diffstat (limited to 'tools/include/uapi/linux/prctl.h')
| -rw-r--r-- | tools/include/uapi/linux/prctl.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/include/uapi/linux/prctl.h b/tools/include/uapi/linux/prctl.h index e998764f0262..a5e06dcbba13 100644 --- a/tools/include/uapi/linux/prctl.h +++ b/tools/include/uapi/linux/prctl.h @@ -272,6 +272,15 @@ struct prctl_mm_map { # define PR_SCHED_CORE_SCOPE_THREAD_GROUP 1 # define PR_SCHED_CORE_SCOPE_PROCESS_GROUP 2 +/* arm64 Scalable Matrix Extension controls */ +/* Flag values must be in sync with SVE versions */ +#define PR_SME_SET_VL 63 /* set task vector length */ +# define PR_SME_SET_VL_ONEXEC (1 << 18) /* defer effect until exec */ +#define PR_SME_GET_VL 64 /* get task vector length */ +/* Bits common to PR_SME_SET_VL and PR_SME_GET_VL */ +# define PR_SME_VL_LEN_MASK 0xffff +# define PR_SME_VL_INHERIT (1 << 17) /* inherit across exec */ + #define PR_SET_VMA 0x53564d41 # define PR_SET_VMA_ANON_NAME 0 |