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 4B20FC433EF for ; Mon, 25 Jul 2022 22:37:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237372AbiGYWhu (ORCPT ); Mon, 25 Jul 2022 18:37:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44164 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237357AbiGYWh2 (ORCPT ); Mon, 25 Jul 2022 18:37:28 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C27AC25E96 for ; Mon, 25 Jul 2022 15:37:00 -0700 (PDT) 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 ams.source.kernel.org (Postfix) with ESMTPS id 523AAB81135 for ; Mon, 25 Jul 2022 22:36:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 554D1C341CD; Mon, 25 Jul 2022 22:36:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1658788618; bh=WTLwrkIPsf8FEgIVjgSmfxrI9GvpGImfD1cmaawndOQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=m3kOtIK4uopUXtPH2SH/KNXRpbsTQ/RF0B5SBznEhsqZllj3MxlsP+CMJwho7O0Wl TxL3mZdV8Qw+rCJIhQMShP7OmuYbUs1Ee6u78VoVOy0Mw9tkm18xhnKl60zv4IsuZ2 xYj/kLCZy/i9vhtyTD2AxHuiEYGpmj9QE8quUeUWoiGjOvquoHpKKOdGggvxLdDaxG rfDAMhX1pmlijmzdpVr8Tk9hlPnOAD3TEKNpfRqjlObqqUNuT21rNmfOv5LrQDHLLe L5IvHruk+TuXgHk1TbspN/z5o64r62N8wOSS0xJCLaM9U6fLBcOiBzepiq33DZjW4a +UEfmPazMo1LQ== Date: Mon, 25 Jul 2022 15:36:55 -0700 From: Nathan Chancellor To: kernel test robot Cc: Simon Trimmer , llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Mark Brown Subject: Re: sound/soc/codecs/wm_adsp.c:1490:32: warning: taking address of packed member 'name' of class or structure 'wm_adsp_host_buf_coeff_v1' may result in an unaligned pointer value Message-ID: References: <202207260648.ERQjXCRB-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 25, 2022 at 03:34:15PM -0700, Nathan Chancellor wrote: > On Tue, Jul 26, 2022 at 06:29:46AM +0800, kernel test robot wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > > head: e0dccc3b76fb35bb257b4118367a883073d7390e > > commit: 353bb6a5f2ac495f289b7c7a528c7d134c9a8ec4 ASoC: wm_adsp: Compressed stream DSP memory structs should be __packed > > date: 5 months ago > > config: arm-randconfig-r013-20220724 (https://download.01.org/0day-ci/archive/20220726/202207260648.ERQjXCRB-lkp@intel.com/config) > > compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 9e88cbcc403bdf82f29259ad60ff60a8fc4434a1) > > 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=353bb6a5f2ac495f289b7c7a528c7d134c9a8ec4 > > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > > git fetch --no-tags linus master > > git checkout 353bb6a5f2ac495f289b7c7a528c7d134c9a8ec4 > > # save the config file > > mkdir build_dir && cp config build_dir/.config > > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash sound/soc/codecs/ > > > > If you fix the issue, kindly add following tag where applicable > > Reported-by: kernel test robot > > > > All warnings (new ones prefixed by >>): > > > > >> sound/soc/codecs/wm_adsp.c:1490:32: warning: taking address of packed member 'name' of class or structure 'wm_adsp_host_buf_coeff_v1' may result in an unaligned pointer value [-Waddress-of-packed-member] > > cs_dsp_remove_padding((u32 *)&coeff_v1.name, ARRAY_SIZE(coeff_v1.name)); > > ^~~~~~~~~~~~~ > > 1 warning generated. > > This warning is disabled in the main Makefile but a recent change in > LLVM has caused that check to fail, sorry for the noise :( > > https://github.com/ClangBuiltLinux/linux/issues/1674 Ah nevermind, looks like Fangrui already worked around this, it should be resolved on the next LLVM uprev: https://github.com/llvm/llvm-project/commit/1d23f6c5a4f6ebb101c282f8f506588fe4d9e92f Cheers, Nathan