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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,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 A9CDCC43331 for ; Tue, 24 Mar 2020 17:00:36 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 749D7206F6 for ; Tue, 24 Mar 2020 17:00:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="SJM/Vdc5" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 749D7206F6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=kmeF086vIpv8gq6KbmWuF2KroYBuO9VyMkQAaqJAZnU=; b=SJM/Vdc5x+zWzg 2mS/ms9ruv7sHWMDGUKuhn+nG7/pQDJmHYXxvscdbyq9734vX3wPtaHFa5aEUFjou6xx4i/OaDPQU xSlDmpj94AlyuldWYazc6amd5/LBjXqY/gdEG2bFEiun9RIv5J6SBet1MgVK4m7+3DbRXL1/YsVri TMKivxYj5jMzL6Ix2736UFTPkdkD0I2SyDsiUdK+82O2t6rFHPuefq35ABQp/qnSuHag1oi/8t7w9 QLSpof5+2ZXGC9ZwdhiwN4pfV+uYsnPgAYBCBQ8u02c1LuEbiepXB362KB6+uBxtrazBtzBimPB8L jIIh2txAxPG0XD4e24hg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jGmup-0003hM-6T; Tue, 24 Mar 2020 17:00:35 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jGmum-0003gv-Vv for linux-arm-kernel@lists.infradead.org; Tue, 24 Mar 2020 17:00:34 +0000 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 4E05D1FB; Tue, 24 Mar 2020 10:00:32 -0700 (PDT) Received: from mbp (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 0283C3F71F; Tue, 24 Mar 2020 10:00:30 -0700 (PDT) Date: Tue, 24 Mar 2020 17:00:28 +0000 From: Catalin Marinas To: Amit Kachhap Subject: Re: [arm64:for-next/kernel-ptrauth 16/18] aarch64-linux-objdump: warning: fs/squashfs/decompressor_multi.o: unsupported GNU_PROPERTY_TYPE (5) type: 0xc0000000 Message-ID: <20200324170028.GF3901@mbp> References: <202003211202.2NuTbuJb%lkp@intel.com> <20200323114837.GA4892@mbp> <20200324161507.GA3901@mbp> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200324_100033_071332_17E3416F X-CRM114-Status: GOOD ( 13.55 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kbuild-all@lists.01.org, kbuild test robot , Szabolcs Nagy , daniel.kiss@arm.com, Kristina Martsenko , Vincenzo Frascino , linux-arm-kernel@lists.infradead.org, Kees Cook Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Mar 24, 2020 at 10:02:16PM +0530, Amit Kachhap wrote: > On 3/24/20 9:45 PM, Catalin Marinas wrote: > > > On 3/23/20 5:18 PM, Catalin Marinas wrote: > > > > Just to make sure I understand the cause of this warning: gcc generates > > > > a .note.gnu.property when PAC is enabled for the kernel but binutils > > > > doesn't understand it. Is there a way to check for this via the Kconfig > > > > options? [...] > > If there isn't a way to silence the linker or objdump, could we align > > the compiler version we know that generates this note with a minimum > > binutils? Something like: > > > > depends on (GCC_VERSION < X) || (LD_VERSION >= 233...) > > Yes this is possible. Note that LD_VERSION does not exist for kconfig. Please put together a couple of patches here (and include clang versions as well) on top of the arm64 for-next/kernel-ptrauth branch. They are not critical, we can merge them after 5.7-rc1. Thanks. -- Catalin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============4328353582981311752==" MIME-Version: 1.0 From: Catalin Marinas To: kbuild-all@lists.01.org Subject: Re: [arm64:for-next/kernel-ptrauth 16/18] aarch64-linux-objdump: warning: fs/squashfs/decompressor_multi.o: unsupported GNU_PROPERTY_TYPE (5) type: 0xc0000000 Date: Tue, 24 Mar 2020 17:00:28 +0000 Message-ID: <20200324170028.GF3901@mbp> In-Reply-To: List-Id: --===============4328353582981311752== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On Tue, Mar 24, 2020 at 10:02:16PM +0530, Amit Kachhap wrote: > On 3/24/20 9:45 PM, Catalin Marinas wrote: > > > On 3/23/20 5:18 PM, Catalin Marinas wrote: > > > > Just to make sure I understand the cause of this warning: gcc gener= ates > > > > a .note.gnu.property when PAC is enabled for the kernel but binutils > > > > doesn't understand it. Is there a way to check for this via the Kco= nfig > > > > options? [...] > > If there isn't a way to silence the linker or objdump, could we align > > the compiler version we know that generates this note with a minimum > > binutils? Something like: > > = > > depends on (GCC_VERSION < X) || (LD_VERSION >=3D 233...) > = > Yes this is possible. Note that LD_VERSION does not exist for kconfig. Please put together a couple of patches here (and include clang versions as well) on top of the arm64 for-next/kernel-ptrauth branch. They are not critical, we can merge them after 5.7-rc1. Thanks. -- = Catalin --===============4328353582981311752==--