From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0AB67440A13; Thu, 3 Sep 2026 07:41:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788421295; cv=none; b=MxreeP8pRr0Vo00jPBGV+VgmW0c3W1IG043a6vDYfWwnjGdC+J1r2x25RwDZnagk6YIAQL0US38TQm76gr+CepQPV0Xa+TObRj1ELRUIbpYnBDk7BJm477PJg9l+gh5KTrMXRu7dqpfEmT2oobhDoJSXgvfR9nYihKqZpIhCoRw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788421295; c=relaxed/simple; bh=yzUJPF4+/uSgsYkr+YJKb+Uz3ZiMTGZCOEBRakgLSTw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=DL90syQYSN0vHoM0MSCXjzrQD8UN77TLkB/4WtdtK1OLt/1YDsXD9f5Qugi35H3qXK+J4xW5Q6WdfJcLOCo6QAePn/JSH9h2bk5dabKxJw/LFXJ4TIqT4a1ziJ8un6RW1eef1vS1StHF5SNzOKfQvuN8yC0NgDVuaOwRt0EcgAs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=YUrsKLYp; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=aK0JbXjU; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="YUrsKLYp"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="aK0JbXjU" From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1788421291; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=M7w6IVovisCb503Pkoci8pxom1cMDymO/FBqfuq2HGI=; b=YUrsKLYpR6VZq3FjSZ0tcH1u/iL3pnEqPkHzaoQflyy4+wMTPZ0gzLpbw3vB+4VDAnG5PH cZALG1imAlcNsXtsBsfkzXXtDu4/CILpTvEnECUkH4/6Eymd0VAAx2OHa8vO4HJB9WC50m pwxutgnUIdRLMt9P1NVK0ydGcpFQDiUaCW52VKIUOqjDwMcTn5pjVTRZhVUppMT8B99nvz MIRuXE5wp91zRf3+wqSlZ56x3BykPmTc2e+RiC/SINOmaTjzLo5hN58eiHfEc8+gpMUebh HBcSCjN8rFEv5nUId4u6Gcy7+jfPttRo4pHbHkYZ7T1rTYgSH02AWQdvWf6ZOw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1788421291; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=M7w6IVovisCb503Pkoci8pxom1cMDymO/FBqfuq2HGI=; b=aK0JbXjU6gNUAZ7CUfQcDDU1452O226LFxU7OBZ5JiSzeBepGLdhKq3cRUyVBT8BcLiF64 nYPh4Hh4QgFfyDAw== Date: Thu, 03 Sep 2026 09:41:21 +0200 Subject: [PATCH v2 06/15] arm64: Remove AT_VECTOR_SIZE_ARCH from UAPI Precedence: bulk X-Mailing-List: linux-alpha@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20260903-at-vector-size-arch-v2-6-5bc32a71e3d8@linutronix.de> References: <20260903-at-vector-size-arch-v2-0-5bc32a71e3d8@linutronix.de> In-Reply-To: <20260903-at-vector-size-arch-v2-0-5bc32a71e3d8@linutronix.de> To: Kees Cook , Arnd Bergmann Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, loongarch@lists.linux.dev, linux-s390@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-mips@vger.kernel.org, sparclinux@vger.kernel.org, linux-sh@vger.kernel.org, linux-alpha@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Developer-Signature: v=1; a=ed25519-sha256; t=1788421286; l=1590; i=thomas.weissschuh@linutronix.de; s=20240209; h=from:subject:message-id; bh=yzUJPF4+/uSgsYkr+YJKb+Uz3ZiMTGZCOEBRakgLSTw=; b=DdZRWT9PaRUgrbKuk0FccoE0UqsO8Wy2gW0MV+ISuIpLSi+dZ054rE9E0nfEX8/hbjKwvu4k3 XkEx0oppmjkBBuo9UIQSI5eFpWB/CFJrAubMUD+gSbssc81nC2HqkDn X-Developer-Key: i=thomas.weissschuh@linutronix.de; a=ed25519; pk=pfvxvpFUDJV2h2nY0FidLUml22uGLSjByFbM6aqQQws= 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 Reviewed-by: Kees Cook --- 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 . */ -#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 -- 2.55.0