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authorIngo Molnar <mingo@kernel.org>2018-01-10 10:52:40 +0100
committerIngo Molnar <mingo@kernel.org>2018-01-10 10:52:40 +0100
commitcb1f34ddccb46f7c1bb61e98b7d44751a20c7e49 (patch)
tree6cbcf7e9d87bc571b80ec1f75b5cb21a8e34b937 /tools/include/uapi/linux/prctl.h
parenta555e9d86ee384d9d3cb3310a57aed33f7e053d4 (diff)
parent541676078b52f365f53d46ee5517d305cd1b6350 (diff)
Merge branch 'sched/urgent' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/include/uapi/linux/prctl.h')
-rw-r--r--tools/include/uapi/linux/prctl.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/include/uapi/linux/prctl.h b/tools/include/uapi/linux/prctl.h
index a8d0759a9e40..af5f8c2df87a 100644
--- a/tools/include/uapi/linux/prctl.h
+++ b/tools/include/uapi/linux/prctl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _LINUX_PRCTL_H
#define _LINUX_PRCTL_H
@@ -197,4 +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 */