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 9D783C00140 for ; Thu, 18 Aug 2022 07:58:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243977AbiHRH6r (ORCPT ); Thu, 18 Aug 2022 03:58:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49238 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243963AbiHRH6l (ORCPT ); Thu, 18 Aug 2022 03:58:41 -0400 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DF8D5237E8; Thu, 18 Aug 2022 00:58:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1660809519; x=1692345519; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=ZkYsJyWoE3iamxvXBLDRveMD2fLKX3azr/jNrlg8M1s=; b=IGPiOJsFkQlAldDqmRyCjjOiMB9XB6OrwVDqCxOBVjes+kixoeXS9v2v wji9mwfdZ0Fw5N9EFGaIw0aJ+o2VtWtBec0ijexVo0SKVyv9nsw9UptEt A7Si7f1vekB9wDfQBT4HFXRTeybDbiaPOFIwd/Oi+BClBHFlr0itcXIU+ 6cUQd/i3ucIsrdzq3HE7oRLjkTC0eLagk7PfIb5waPCrGU90N8jRsb/CS Hwh2fBiZ3UGfhQivet5wmwfWwzY0W6gc4lgFZ/5kkiBTnQmNNa8BIBwnF iWCvu2jDv+t+kYmshwnRATivjEY8URbstsBHkP79oDbl0+rpY6OymioMV w==; X-IronPort-AV: E=McAfee;i="6500,9779,10442"; a="356686301" X-IronPort-AV: E=Sophos;i="5.93,245,1654585200"; d="scan'208";a="356686301" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Aug 2022 00:58:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,245,1654585200"; d="scan'208";a="607735232" Received: from lkp-server01.sh.intel.com (HELO 6cc724e23301) ([10.239.97.150]) by orsmga002.jf.intel.com with ESMTP; 18 Aug 2022 00:58:35 -0700 Received: from kbuild by 6cc724e23301 with local (Exim 4.96) (envelope-from ) id 1oOaQE-0000Dv-2p; Thu, 18 Aug 2022 07:58:34 +0000 Date: Thu, 18 Aug 2022 15:58:26 +0800 From: kernel test robot To: guoren@kernel.org, xianting.tian@linux.alibaba.com, palmer@dabbelt.com, heiko@sntech.de Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, liaochang1@huawei.com, mick@ics.forth.gr, jszhang@kernel.org, Guo Ren , AKASHI Takahiro Subject: Re: [PATCH 2/2] riscv: kexec: Implement crash_smp_send_stop with percpu crash_save_cpu Message-ID: <202208181520.fYQOePu6-lkp@intel.com> References: <20220816012701.561435-3-guoren@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220816012701.561435-3-guoren@kernel.org> 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 linus/master] [also build test ERROR on v6.0-rc1 next-20220818] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/guoren-kernel-org/riscv-kexec-Support-crash_save-percpu-and-machine_kexec_mask_interrupts/20220816-144442 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 568035b01cfb107af8d2e4bd2fb9aea22cf5b868 config: riscv-randconfig-r035-20220818 (https://download.01.org/0day-ci/archive/20220818/202208181520.fYQOePu6-lkp@intel.com/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project aed5e3bea138ce581d682158eb61c27b3cfdd6ec) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/0abdaf7e1f44634e1cee484e3cf01b7e8c851950 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review guoren-kernel-org/riscv-kexec-Support-crash_save-percpu-and-machine_kexec_mask_interrupts/20220816-144442 git checkout 0abdaf7e1f44634e1cee484e3cf01b7e8c851950 # 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=riscv SHELL=/bin/bash arch/riscv/kernel/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All errors (new ones prefixed by >>): >> arch/riscv/kernel/machine_kexec.c:217:7: error: call to undeclared function 'smp_crash_stop_failed'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] WARN(smp_crash_stop_failed(), ^ 1 error generated. vim +/smp_crash_stop_failed +217 arch/riscv/kernel/machine_kexec.c 193 194 /* 195 * machine_kexec - Jump to the loaded kimage 196 * 197 * This function is called by kernel_kexec which is called by the 198 * reboot system call when the reboot cmd is LINUX_REBOOT_CMD_KEXEC, 199 * or by crash_kernel which is called by the kernel's arch-specific 200 * trap handler in case of a kernel panic. It's the final stage of 201 * the kexec process where the pre-loaded kimage is ready to be 202 * executed. We assume at this point that all other harts are 203 * suspended and this hart will be the new boot hart. 204 */ 205 void __noreturn 206 machine_kexec(struct kimage *image) 207 { 208 struct kimage_arch *internal = &image->arch; 209 unsigned long jump_addr = (unsigned long) image->start; 210 unsigned long first_ind_entry = (unsigned long) &image->head; 211 unsigned long this_cpu_id = __smp_processor_id(); 212 unsigned long this_hart_id = cpuid_to_hartid_map(this_cpu_id); 213 unsigned long fdt_addr = internal->fdt_addr; 214 void *control_code_buffer = page_address(image->control_code_page); 215 riscv_kexec_method kexec_method = NULL; 216 > 217 WARN(smp_crash_stop_failed(), -- 0-DAY CI Kernel Test Service https://01.org/lkp