From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EB9DAC43331 for ; Wed, 1 Apr 2020 12:28:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C3DAD2078B for ; Wed, 1 Apr 2020 12:28:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732488AbgDAM20 (ORCPT ); Wed, 1 Apr 2020 08:28:26 -0400 Received: from foss.arm.com ([217.140.110.172]:50550 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726920AbgDAM20 (ORCPT ); Wed, 1 Apr 2020 08:28:26 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id CE64930E; Wed, 1 Apr 2020 05:28:25 -0700 (PDT) Received: from mbp (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 056243F68F; Wed, 1 Apr 2020 05:28:24 -0700 (PDT) Date: Wed, 1 Apr 2020 13:28:22 +0100 From: Catalin Marinas To: Amit Daniel Kachhap Cc: linux-arm-kernel@lists.infradead.org, Vincenzo Frascino , Will Deacon , linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 2/2] arm64: Kconfig: ptrauth: Add binutils version check to fix mismatch Message-ID: <20200401122805.GD9434@mbp> References: <1585568499-21585-1-git-send-email-amit.kachhap@arm.com> <1585568499-21585-2-git-send-email-amit.kachhap@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1585568499-21585-2-git-send-email-amit.kachhap@arm.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 30, 2020 at 05:11:39PM +0530, Amit Daniel Kachhap wrote: > Recent addition of ARM64_PTR_AUTH exposed a mismatch issue with binutils. > 9.1+ versions of gcc inserts a section note .note.gnu.property but this > can be used properly by binutils version greater than 2.33.1. If older > binutils are used then the following warnings are generated, > > aarch64-linux-ld: warning: arch/arm64/kernel/vdso/vgettimeofday.o: unsupported GNU_PROPERTY_TYPE (5) type: 0xc0000000 > aarch64-linux-objdump: warning: arch/arm64/lib/csum.o: unsupported GNU_PROPERTY_TYPE (5) type: 0xc0000000 > aarch64-linux-nm: warning: .tmp_vmlinux1: unsupported GNU_PROPERTY_TYPE (5) type: 0xc0000000 I queued both patches for 5.7. Thanks. -- Catalin