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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A2256C433EF for ; Sat, 29 Jan 2022 20:24:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349590AbiA2UXH (ORCPT ); Sat, 29 Jan 2022 15:23:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45804 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234289AbiA2UXD (ORCPT ); Sat, 29 Jan 2022 15:23:03 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 77398C061714 for ; Sat, 29 Jan 2022 12:23:03 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 770A660A66 for ; Sat, 29 Jan 2022 20:23:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7B013C340E5; Sat, 29 Jan 2022 20:23:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1643487781; bh=ibfNrnDd+VmWeyoly0lQUrC025/BUGr3gbVTET9B04U=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=fay9tk8OjFXVk8vdBucFW8q9Lae+bmmvVnF+NZk2vUuCFrD1LhEIZ+xhKsX/cmjBw byAdYx7nhRN2gpaSNxhehoU6ddWrV/7C2K6bm6YAVygo9VGhlKYjEzMrjcelsIU4oN BefZ0+fqcC+pwugYwINovryHY3EBFY+0/K9vC/2ClF4V4kvPTdLb2J5xibyhp4HX17 MRTPWKZG2wOZw/DEeYB20W77WnJfMXea2zz6/7Jix67Yl0Y590atXG3y6h6IM+irbB YI8MTa/BDGqcN91XQPLybQgd8yVc2l6yJydPx5HzDb57DBzuRCdU7FUmEM3xjczwJa v91eGA2cnfY0w== Date: Sat, 29 Jan 2022 13:22:57 -0700 From: Nathan Chancellor To: kernel test robot Cc: "Justin M. Forbes" , llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, "Jason A. Donenfeld" Subject: Re: arch/arm/lib/xor-neon.c:30:2: warning: This code requires at least version 4.6 of GCC Message-ID: References: <202201291408.Pkylyt75-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202201291408.Pkylyt75-lkp@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jan 29, 2022 at 03:02:58PM +0800, kernel test robot wrote: > Hi Justin, > > First bad commit (maybe != root cause): Yeah, this commit definitely does not introduce this warning, it has been one of our longest tracked warnings. > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 169387e2aa291a4e3cb856053730fe99d6cec06f > commit: e56e18985596617ae426ed5997fb2e737cffb58b lib/crypto: add prompts back to crypto libraries > date: 11 days ago > config: arm-randconfig-r004-20220128 (https://download.01.org/0day-ci/archive/20220129/202201291408.Pkylyt75-lkp@intel.com/config) > compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 33b45ee44b1f32ffdbc995e6fec806271b4b3ba4) > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # install arm cross compiling tool for clang build > # apt-get install binutils-arm-linux-gnueabi > # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e56e18985596617ae426ed5997fb2e737cffb58b > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout e56e18985596617ae426ed5997fb2e737cffb58b > # save the config file to linux build tree > mkdir build_dir > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot > > All warnings (new ones prefixed by >>): > > >> arch/arm/lib/xor-neon.c:30:2: warning: This code requires at least version 4.6 of GCC [-W#warnings] > #warning This code requires at least version 4.6 of GCC > ^ > 1 warning generated. https://github.com/ClangBuiltLinux/linux/issues/496 https://lore.kernel.org/r/20220127081227.2430-3-ardb@kernel.org/ Cheers, Nathan