summaryrefslogtreecommitdiff
path: root/include/uapi/linux/prctl.h
diff options
context:
space:
mode:
authorDmitry Torokhov <dmitry.torokhov@gmail.com>2018-02-01 00:41:33 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2018-02-01 00:41:33 -0800
commit10a558374f3751cf4eb55143008975641dfc2cf4 (patch)
treeaab0def9d2289f6520ffb62ec4c1d738135447c4 /include/uapi/linux/prctl.h
parentfafef982c7353e8982b951e40573e990ccf0ed00 (diff)
parentd8a5b80568a9cb66810e75b182018e9edb68e8ff (diff)
Merge tag 'v4.15' into next
Sync with mainline to get in trackpoint updates and other changes.
Diffstat (limited to 'include/uapi/linux/prctl.h')
-rw-r--r--include/uapi/linux/prctl.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/uapi/linux/prctl.h b/include/uapi/linux/prctl.h
index b640071421f7..af5f8c2df87a 100644
--- a/include/uapi/linux/prctl.h
+++ b/include/uapi/linux/prctl.h
@@ -198,4 +198,13 @@ struct prctl_mm_map {
# define PR_CAP_AMBIENT_LOWER 3
# define PR_CAP_AMBIENT_CLEAR_ALL 4
+/* arm64 Scalable Vector Extension controls */
+/* Flag values must be kept in sync with ptrace NT_ARM_SVE interface */
+#define PR_SVE_SET_VL 50 /* set task vector length */
+# define PR_SVE_SET_VL_ONEXEC (1 << 18) /* defer effect until exec */
+#define PR_SVE_GET_VL 51 /* get task vector length */
+/* Bits common to PR_SVE_SET_VL and PR_SVE_GET_VL */
+# define PR_SVE_VL_LEN_MASK 0xffff
+# define PR_SVE_VL_INHERIT (1 << 17) /* inherit across exec */
+
#endif /* _LINUX_PRCTL_H */