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 E6D61C433EF for ; Thu, 16 Dec 2021 11:21:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236584AbhLPLVK (ORCPT ); Thu, 16 Dec 2021 06:21:10 -0500 Received: from mga03.intel.com ([134.134.136.65]:4499 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231820AbhLPLVI (ORCPT ); Thu, 16 Dec 2021 06:21:08 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1639653668; x=1671189668; h=date:from:to:cc:subject:message-id:mime-version; bh=xE81kgNNriwdWp1WYCYz9TJ3ZIFhei3NS9V9FDyjOF8=; b=LKYxZyHWGjaFZ84gdPP2uf03Vkmw5vQLckF7fkecIf7NhA9dUvjDk1ND YGS3mcyLwhS+WWiGmaFQrkl8hqzlv0jbQpHwRB5GrPevS/JJhhDwcdVHn lWXoxEcewPKLqkkjMVShZDa/plQxFgrp2nBxW8yXc9qeS79ZT6ttAPdnx XeraarB7zJ24UqEbl9xDIbtg+brKmr3pG5nYfCStxFH7bfTxvp47y6Qy4 h+6POV8oTKT42mKGGgh3xo9+e4isAWPhQPBJPxtpa8uViRKaAU1Pw9aM7 5KtPnFAy1F7Tt97+/eFLW8b0zr9gnsj6ubev1ofRMKCDNcH2GjJQ6GBVQ w==; X-IronPort-AV: E=McAfee;i="6200,9189,10199"; a="239416303" X-IronPort-AV: E=Sophos;i="5.88,211,1635231600"; d="scan'208";a="239416303" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Dec 2021 03:20:59 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,211,1635231600"; d="scan'208";a="466008198" Received: from lkp-server02.sh.intel.com (HELO 9f38c0981d9f) ([10.239.97.151]) by orsmga006.jf.intel.com with ESMTP; 16 Dec 2021 03:20:58 -0800 Received: from kbuild by 9f38c0981d9f with local (Exim 4.92) (envelope-from ) id 1mxooj-00034F-Bu; Thu, 16 Dec 2021 11:20:57 +0000 Date: Thu, 16 Dec 2021 19:20:46 +0800 From: kernel test robot To: Jinyang He Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Thomas Bogendoerfer Subject: arch/mips/kernel/relocate.c:41:12: warning: no previous prototype for 'plat_post_relocation' Message-ID: <202112161913.eRJj41Fh-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Jinyang, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 2b14864acbaaf03d9c01982e243a84632524c3ac commit: a307a4ce9ecd2e23c71318201330d9d648b3f818 MIPS: Loongson64: Add KASLR support date: 1 year, 1 month ago config: mips-randconfig-r012-20211216 (https://download.01.org/0day-ci/archive/20211216/202112161913.eRJj41Fh-lkp@intel.com/config) compiler: mips64el-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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a307a4ce9ecd2e23c71318201330d9d648b3f818 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout a307a4ce9ecd2e23c71318201330d9d648b3f818 # 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=mips SHELL=/bin/bash arch/mips/kernel/ arch/mips/lib/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> arch/mips/kernel/relocate.c:41:12: warning: no previous prototype for 'plat_post_relocation' [-Wmissing-prototypes] 41 | int __weak plat_post_relocation(long offset) | ^~~~~~~~~~~~~~~~~~~~ arch/mips/kernel/relocate.c:135:12: warning: no previous prototype for 'do_relocations' [-Wmissing-prototypes] 135 | int __init do_relocations(void *kbase_old, void *kbase_new, long offset) | ^~~~~~~~~~~~~~ >> arch/mips/kernel/relocate.c:304:14: warning: no previous prototype for 'relocate_kernel' [-Wmissing-prototypes] 304 | void *__init relocate_kernel(void) | ^~~~~~~~~~~~~~~ arch/mips/kernel/relocate.c:415:6: warning: no previous prototype for 'show_kernel_relocation' [-Wmissing-prototypes] 415 | void show_kernel_relocation(const char *level) | ^~~~~~~~~~~~~~~~~~~~~~ vim +/plat_post_relocation +41 arch/mips/kernel/relocate.c 4c9fff362261d68 Marcin Nowakowski 2016-11-23 35 8cc709d7d4f013f Steven J. Hill 2016-12-09 36 /* 8cc709d7d4f013f Steven J. Hill 2016-12-09 37 * This function may be defined for a platform to perform any post-relocation 8cc709d7d4f013f Steven J. Hill 2016-12-09 38 * fixup necessary. 8cc709d7d4f013f Steven J. Hill 2016-12-09 39 * Return non-zero to abort relocation 8cc709d7d4f013f Steven J. Hill 2016-12-09 40 */ 8cc709d7d4f013f Steven J. Hill 2016-12-09 @41 int __weak plat_post_relocation(long offset) 8cc709d7d4f013f Steven J. Hill 2016-12-09 42 { 8cc709d7d4f013f Steven J. Hill 2016-12-09 43 return 0; 8cc709d7d4f013f Steven J. Hill 2016-12-09 44 } 8cc709d7d4f013f Steven J. Hill 2016-12-09 45 :::::: The code at line 41 was first introduced by commit :::::: 8cc709d7d4f013f51d38ceb2e3c8c82d230cf457 MIPS: Relocatable: Provide plat_post_relocation hook :::::: TO: Steven J. Hill :::::: CC: Ralf Baechle --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org