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 4C2EFC433EF for ; Wed, 22 Jun 2022 08:25:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348137AbiFVIZ4 (ORCPT ); Wed, 22 Jun 2022 04:25:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48790 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348360AbiFVIZn (ORCPT ); Wed, 22 Jun 2022 04:25:43 -0400 Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F1BEB3878F for ; Wed, 22 Jun 2022 01:25:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1655886341; x=1687422341; h=date:from:to:cc:subject:message-id:mime-version; bh=z4qFujVN0sjGKDZjzxbjpCNKEPLxNusbypR955l5W1k=; b=A82QSjP0d7jsbAjMqF2x5fUuqqffR2PkDiuWQINEgS077bDg5LLH08ep PDPeycKCLHdzJrT17KPyChii8NuFrzRpulNtdZbkN4EoVKf/wRHrnTUma PemIenkb4XYTxllfqRikBjljz7CnRNSbzfeXtU1wcEkw6EANNSHGIQNBJ 6KVW9ZskpIB7Ako/hhwhfMUvf8vm0YHLmhmFja6ZMM5TI+nvE0U+qzBHH U56Kj0ieMxuV+BdB41wcu/b7uWyE8FPNxah6od8bKRAOPONLLyU9iPQJW sJp5vuPDEEkp8EeyG49U8ZBwUC3wlS3ei/t737fJMkG+srrBZnF5MfzB4 Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10385"; a="342037353" X-IronPort-AV: E=Sophos;i="5.92,212,1650956400"; d="scan'208";a="342037353" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jun 2022 01:25:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,212,1650956400"; d="scan'208";a="644073573" Received: from lkp-server02.sh.intel.com (HELO a67cc04a5eeb) ([10.239.97.151]) by fmsmga008.fm.intel.com with ESMTP; 22 Jun 2022 01:25:39 -0700 Received: from kbuild by a67cc04a5eeb with local (Exim 4.95) (envelope-from ) id 1o3vgA-00012n-LS; Wed, 22 Jun 2022 08:25:38 +0000 Date: Wed, 22 Jun 2022 16:25:29 +0800 From: kernel test robot To: Haijun Liu Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Chandrashekar Devegowda , Ricardo Martinez , Loic Poulain , Ilpo =?iso-8859-1?Q?J=E4rvinen?= , Sergey Ryazanov Subject: arch/ia64/include/asm/mmu_context.h:127:48: error: variable 'old_rr4' set but not used Message-ID: <202206221623.Gi9Zz88b-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Haijun, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: ca1fdab7fd27eb069df1384b2850dcd0c2bebe8d commit: 13e920d93e37fcaef4a9309515798a3cae9dcf19 net: wwan: t7xx: Add core components date: 6 weeks ago config: ia64-randconfig-r031-20220622 (https://download.01.org/0day-ci/archive/20220622/202206221623.Gi9Zz88b-lkp@intel.com/config) compiler: ia64-linux-gcc (GCC) 11.3.0 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=13e920d93e37fcaef4a9309515798a3cae9dcf19 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 13e920d93e37fcaef4a9309515798a3cae9dcf19 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/net/wwan/t7xx/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from arch/ia64/include/asm/pgtable.h:153, from include/linux/pgtable.h:6, from include/linux/mm.h:29, from include/linux/scatterlist.h:8, from include/linux/dma-mapping.h:10, from drivers/net/wwan/t7xx/t7xx_pci.c:22: arch/ia64/include/asm/mmu_context.h: In function 'reload_context': >> arch/ia64/include/asm/mmu_context.h:127:48: error: variable 'old_rr4' set but not used [-Werror=unused-but-set-variable] 127 | unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4; | ^~~~~~~ cc1: all warnings being treated as errors vim +/old_rr4 +127 arch/ia64/include/asm/mmu_context.h ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 121 ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 122 static inline void badea125d7cbd9 include/asm-ia64/mmu_context.h David Mosberger-Tang 2005-07-25 123 reload_context (nv_mm_context_t context) ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 124 { ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 125 unsigned long rid; ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 126 unsigned long rid_incr = 0; ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 @127 unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4; ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 128 0a41e250116058 include/asm-ia64/mmu_context.h Peter Chubb 2005-08-16 129 old_rr4 = ia64_get_rr(RGN_BASE(RGN_HPAGE)); ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 130 rid = context << 3; /* make space for encoding the region number */ ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 131 rid_incr = 1 << 8; ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 132 ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 133 /* encode the region id, preferred page size, and VHPT enable bit: */ ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 134 rr0 = (rid << 8) | (PAGE_SHIFT << 2) | 1; ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 135 rr1 = rr0 + 1*rid_incr; ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 136 rr2 = rr0 + 2*rid_incr; ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 137 rr3 = rr0 + 3*rid_incr; ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 138 rr4 = rr0 + 4*rid_incr; ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 139 #ifdef CONFIG_HUGETLB_PAGE ^1da177e4c3f41 include/asm-ia64/mmu_context.h Linus Torvalds 2005-04-16 140 rr4 = (rr4 & (~(0xfcUL))) | (old_rr4 & 0xfc); 0a41e250116058 include/asm-ia64/mmu_context.h Peter Chubb 2005-08-16 141 :::::: The code at line 127 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://01.org/lkp