[PATCH 06/15] arm64: Remove AT_VECTOR_SIZE_ARCH from UAPI

Thomas Weißschuh thomas.weissschuh at linutronix.de
Mon Mar 2 04:25:30 PST 2026


There is nothing userspace can do with this value. In the kernel is
always combined with AT_VECTOR_SIZE_BASE, which is not exposed to
userspace and also changes from time to time.

Move the symbol to a kernel-internal header.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh at linutronix.de>
---
 arch/arm64/include/asm/auxvec.h      | 7 +++++++
 arch/arm64/include/uapi/asm/auxvec.h | 6 ++----
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/include/asm/auxvec.h b/arch/arm64/include/asm/auxvec.h
new file mode 100644
index 000000000000..de24eaaa06e2
--- /dev/null
+++ b/arch/arm64/include/asm/auxvec.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_AUXVEC_H
+#define __ASM_AUXVEC_H
+
+#define AT_VECTOR_SIZE_ARCH 2 /* entries in ARCH_DLINFO */
+
+#endif
diff --git a/arch/arm64/include/uapi/asm/auxvec.h b/arch/arm64/include/uapi/asm/auxvec.h
index 743c0b84fd30..fb51e906813a 100644
--- a/arch/arm64/include/uapi/asm/auxvec.h
+++ b/arch/arm64/include/uapi/asm/auxvec.h
@@ -14,13 +14,11 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-#ifndef __ASM_AUXVEC_H
-#define __ASM_AUXVEC_H
+#ifndef __UAPI_ASM_AUXVEC_H
+#define __UAPI_ASM_AUXVEC_H
 
 /* vDSO location */
 #define AT_SYSINFO_EHDR	33
 #define AT_MINSIGSTKSZ	51	/* stack needed for signal delivery */
 
-#define AT_VECTOR_SIZE_ARCH 2 /* entries in ARCH_DLINFO */
-
 #endif

-- 
2.53.0




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