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 C9E1DC433EF for ; Thu, 24 Mar 2022 21:40:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1355206AbiCXVlp (ORCPT ); Thu, 24 Mar 2022 17:41:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48954 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1355203AbiCXVlj (ORCPT ); Thu, 24 Mar 2022 17:41:39 -0400 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 85AD4654B7 for ; Thu, 24 Mar 2022 14:40:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1648158005; x=1679694005; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=VTSq1ix+3EBzR/DNpL0fzWXKaftzrn905lBpVaHr6Do=; b=Okncc7gOlKqSfxJnXQPE3Sx4A2XXQ41BKG5I8TvL1XUBnOYVFJjPUeq7 KLbrqdaGs3zCybZltJ7tdFp72JSrs6blW9g9zK5dWWQ2s5cPVV0Ul+oHg OiCEPqsmHM2IN1p5Rff2XJehwuHdKsTzz5cWTjd3YxhMQMqub7wMqehjO tqcrAdBSXUaBj3sCcOV5lORuPDyTIE1RnAcyF8K9euHX2NUXhJ2qbiE+5 /RKkTgs6AsWhto3EngXgJOusodMfLDJNAORs3y0c/09vbZj3Cqt49LxrQ N8NwptNYLCDTlZvNNkrwDmIkc19ufV0kbhj25L3OoaIHWxgSR9sBao5tu A==; X-IronPort-AV: E=McAfee;i="6200,9189,10296"; a="238437324" X-IronPort-AV: E=Sophos;i="5.90,208,1643702400"; d="scan'208";a="238437324" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Mar 2022 14:40:04 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,208,1643702400"; d="scan'208";a="650014103" Received: from lkp-server02.sh.intel.com (HELO 89b41b6ae01c) ([10.239.97.151]) by orsmga004.jf.intel.com with ESMTP; 24 Mar 2022 14:40:00 -0700 Received: from kbuild by 89b41b6ae01c with local (Exim 4.92) (envelope-from ) id 1nXVBX-000LT5-JQ; Thu, 24 Mar 2022 21:39:59 +0000 Date: Fri, 25 Mar 2022 05:39:41 +0800 From: kernel test robot To: andrey.konovalov@linux.dev, Marco Elver , Alexander Potapenko , Catalin Marinas , Will Deacon , Andrew Morton Cc: kbuild-all@lists.01.org, Linux Memory Management List , Andrey Konovalov , Dmitry Vyukov , Andrey Ryabinin , kasan-dev@googlegroups.com, Mark Rutland , Vincenzo Frascino , Sami Tolvanen , Peter Collingbourne , Evgenii Stepanov , Florian Mayer , linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 2/4] arm64, scs: save scs_sp values per-cpu when switching stacks Message-ID: <202203250512.yMAPu8rv-lkp@intel.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, I love your patch! Yet something to improve: [auto build test ERROR on next-20220323] [also build test ERROR on v5.17] [cannot apply to arm64/for-next/core hnaz-mm/master linus/master v5.17 v5.17-rc8 v5.17-rc7] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/andrey-konovalov-linux-dev/kasan-arm64-scs-stacktrace-collect-stack-traces-from-Shadow-Call-Stack/20220323-233436 base: b61581ae229d8eb9f21f8753be3f4011f7692384 config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20220325/202203250512.yMAPu8rv-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 11.2.0 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 # https://github.com/0day-ci/linux/commit/da5bedb1ac7aa0b303f6d996d306e675860b6e12 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review andrey-konovalov-linux-dev/kasan-arm64-scs-stacktrace-collect-stack-traces-from-Shadow-Call-Stack/20220323-233436 git checkout da5bedb1ac7aa0b303f6d996d306e675860b6e12 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): arch/arm64/kernel/sdei.c: In function 'free_sdei_scs': >> arch/arm64/kernel/sdei.c:124:33: error: 'sdei_shadow_call_stack_normal_ptr' undeclared (first use in this function) 124 | _free_sdei_scs(&sdei_shadow_call_stack_normal_ptr, cpu); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kernel/sdei.c:124:33: note: each undeclared identifier is reported only once for each function it appears in >> arch/arm64/kernel/sdei.c:125:33: error: 'sdei_shadow_call_stack_critical_ptr' undeclared (first use in this function); did you mean 'sdei_stack_critical_ptr'? 125 | _free_sdei_scs(&sdei_shadow_call_stack_critical_ptr, cpu); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | sdei_stack_critical_ptr arch/arm64/kernel/sdei.c: In function 'init_sdei_scs': arch/arm64/kernel/sdei.c:150:39: error: 'sdei_shadow_call_stack_normal_ptr' undeclared (first use in this function) 150 | err = _init_sdei_scs(&sdei_shadow_call_stack_normal_ptr, cpu); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kernel/sdei.c:153:39: error: 'sdei_shadow_call_stack_critical_ptr' undeclared (first use in this function); did you mean 'sdei_stack_critical_ptr'? 153 | err = _init_sdei_scs(&sdei_shadow_call_stack_critical_ptr, cpu); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | sdei_stack_critical_ptr vim +/sdei_shadow_call_stack_normal_ptr +124 arch/arm64/kernel/sdei.c ac20ffbb0279aae Sami Tolvanen 2020-11-30 118 ac20ffbb0279aae Sami Tolvanen 2020-11-30 119 static void free_sdei_scs(void) ac20ffbb0279aae Sami Tolvanen 2020-11-30 120 { ac20ffbb0279aae Sami Tolvanen 2020-11-30 121 int cpu; ac20ffbb0279aae Sami Tolvanen 2020-11-30 122 ac20ffbb0279aae Sami Tolvanen 2020-11-30 123 for_each_possible_cpu(cpu) { ac20ffbb0279aae Sami Tolvanen 2020-11-30 @124 _free_sdei_scs(&sdei_shadow_call_stack_normal_ptr, cpu); ac20ffbb0279aae Sami Tolvanen 2020-11-30 @125 _free_sdei_scs(&sdei_shadow_call_stack_critical_ptr, cpu); ac20ffbb0279aae Sami Tolvanen 2020-11-30 126 } ac20ffbb0279aae Sami Tolvanen 2020-11-30 127 } ac20ffbb0279aae Sami Tolvanen 2020-11-30 128 -- 0-DAY CI Kernel Test Service https://01.org/lkp