From nobody Thu Apr 9 13:33:04 2026 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 D9CCC36E473; Mon, 2 Mar 2026 12:25:51 +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=1772454353; cv=none; b=fRyn0vQ0TxLZ+TobP96baqVnmYHtSAd+DJ2/g28/D3OpR9K275RbV/VFsnEa/9fRIn51xbtfGar2IpZ7muN5+56u7rF9Pz8VI6Glx8pHrvjByw/rH4uQMjkqVSnCpLbMx5UjwMuWuqQT+6Qt1ca9CDKo3QrVu1skbLEGUt03MZM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772454353; c=relaxed/simple; bh=KhAA9NBJJtHIM22o0JEE0DI+I7SP3GR1+cUX6gC6bWM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=OMbGJ3GxXFMVwBAZVtHJfjuU/2Yecn7lDlIIQgqAS4HvAVXO9OExryeX7WYt0r8mcwmPVQ5vPhaF/ch0yPRWxGXlXUIbdD1HtA1pAC/7tAKqamX1vq3GVg2QDmpHhMyhsHE7ZhReP7xbMdqrUhuaQ1xck5XeNpuoUDffIYVSCMM= 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=zCoq9RLG; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=jvOwc5/7; 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="zCoq9RLG"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="jvOwc5/7" From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1772454350; 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=vJXnjzhafvwvwcLJeLx/JDThum82eNRZ+z9+q40EfBA=; b=zCoq9RLGS8+8Po3hHcth4EHhs3ixn4AZwUIPixmCjgLS1Hf03Lgv9rf45OpQ6lXKNYcXmO x0ZUWl6+/PgitXxeWXIAzELn5d1DXLXNveRN9V3nF0ozyW2UUehdzvPfjGObc1KJJdDrL4 nptOdJbV7CxiN74qy7BRfU4PGFVQaeTGo+XxFJnmWo0PTJnjnUg5HmCvvm22q9qyxQgeJ7 X5BS/l8Yhy3jYQfDTK8hyatzbIIv6JfQsxytr6PIJESv6V9EwDsSq/G6tuk7rOU8/WH9fV LGEhauN3fOdaJMmrQI1L3e6wvuXkuiFz2uTYTcldWK1Zipo7oGvhkQShz2ob/Q== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1772454350; 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=vJXnjzhafvwvwcLJeLx/JDThum82eNRZ+z9+q40EfBA=; b=jvOwc5/7jBII+uejUvR7Ec31ujH98q8FcAeuuCJ+X8H4M7QnsAQzjQ0jhftKvsfJJyxGq/ KBFXdSVINJ5ZpaAg== Date: Mon, 02 Mar 2026 13:25:34 +0100 Subject: [PATCH 10/15] powerpc: Remove AT_VECTOR_SIZE_ARCH from UAPI Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260302-at-vector-size-arch-v1-10-a11f03ba2ca8@linutronix.de> References: <20260302-at-vector-size-arch-v1-0-a11f03ba2ca8@linutronix.de> In-Reply-To: <20260302-at-vector-size-arch-v1-0-a11f03ba2ca8@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=1772454343; l=1572; i=thomas.weissschuh@linutronix.de; s=20240209; h=from:subject:message-id; bh=KhAA9NBJJtHIM22o0JEE0DI+I7SP3GR1+cUX6gC6bWM=; b=1xI34QvitdF0I83i8CIUtWdYTc0yBgqiKjqBALtMj6mhthZIMQsEaK/I9frbiDgrwa8Dyn2kR BAhEAkxtO/bDDzmtnODmzu2v6S9A4iYl4oRMI1eIsDxYQs6Kx5lcAWN 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 Wei=C3=9Fschuh --- arch/powerpc/include/asm/auxvec.h | 7 +++++++ arch/powerpc/include/uapi/asm/auxvec.h | 6 ++---- 2 files changed, 9 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/include/asm/auxvec.h b/arch/powerpc/include/asm/a= uxvec.h new file mode 100644 index 000000000000..d6c180e9ac2c --- /dev/null +++ b/arch/powerpc/include/asm/auxvec.h @@ -0,0 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_POWERPC_AUXVEC_H +#define _ASM_POWERPC_AUXVEC_H + +#define AT_VECTOR_SIZE_ARCH 15 /* entries in ARCH_DLINFO */ + +#endif diff --git a/arch/powerpc/include/uapi/asm/auxvec.h b/arch/powerpc/include/= uapi/asm/auxvec.h index aa7c16215453..9ab5b6d17929 100644 --- a/arch/powerpc/include/uapi/asm/auxvec.h +++ b/arch/powerpc/include/uapi/asm/auxvec.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -#ifndef _ASM_POWERPC_AUXVEC_H -#define _ASM_POWERPC_AUXVEC_H +#ifndef _UAPI_ASM_POWERPC_AUXVEC_H +#define _UAPI_ASM_POWERPC_AUXVEC_H =20 /* * We need to put in some extra aux table entries to tell glibc what @@ -50,6 +50,4 @@ =20 #define AT_MINSIGSTKSZ 51 /* stack needed for signal delivery */ =20 -#define AT_VECTOR_SIZE_ARCH 15 /* entries in ARCH_DLINFO */ - #endif --=20 2.53.0