From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 76C752F2B for ; Wed, 17 Aug 2022 23:27:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1660778863; x=1692314863; h=date:from:to:cc:subject:message-id:mime-version; bh=bF8RhQapM9aMltjQD5Fv7KZEqa5L4QRLLLTgNQOxoOc=; b=X/JRwJd6lcxODD/KJcLULFqpkTqt7mCIG0g4Rp1zEhwOvzAR3g82LC4m hu/+Af8DX8D7bBLV06vvX9dFgXDLBrKeJsKepUhYV9Li9qGqh4n3A96j9 BP0s1z5PbJszKy2G6TmcwXNPeFUlriOJhKVtZNeVAYsAX8qb2FnZsIIB0 PlCl7xuNd5jTs2iW+H7lf62tZ+kw7kaDwj36iHgY8vRHJwZXhNeTuOdQB THMrGtUGfRahLr1hRnoJJw0Fvg/ww/9oQr61XXayrlGHuaz6svIYt3ja+ WHHqUKD8KT36kKkChODvR7JHuk6C24twNWj0JVuTrObzyZQfs9dsFWjX5 g==; X-IronPort-AV: E=McAfee;i="6500,9779,10442"; a="378916499" X-IronPort-AV: E=Sophos;i="5.93,244,1654585200"; d="scan'208";a="378916499" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Aug 2022 16:27:42 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,244,1654585200"; d="scan'208";a="636575820" Received: from lkp-server02.sh.intel.com (HELO 81d7e1ade3ba) ([10.239.97.151]) by orsmga008.jf.intel.com with ESMTP; 17 Aug 2022 16:27:41 -0700 Received: from kbuild by 81d7e1ade3ba with local (Exim 4.96) (envelope-from ) id 1oOSRo-0001TF-1g; Wed, 17 Aug 2022 23:27:40 +0000 Date: Thu, 18 Aug 2022 07:27:35 +0800 From: kernel test robot To: Mike Rapoport Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, Mike Rapoport , linux-kernel@vger.kernel.org Subject: [rppt:crash-kernel/arm64-remap/v0.1 4/5] arch/arm64/mm/init.c:133:3: error: use of undeclared identifier 'crashkres_protection_possible' Message-ID: <202208180702.BgAbSr7d-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git crash-kernel/arm64-remap/v0.1 head: 083629d699170f5a86078d0a7afbe647c3a571cb commit: 3aaa4a222ab056611236c4c42499d24c8317bc96 [4/5] arm64/mm: remap crash kernel with base pages even if rodata_full disabled config: arm64-randconfig-r034-20220818 (https://download.01.org/0day-ci/archive/20220818/202208180702.BgAbSr7d-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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git/commit/?id=3aaa4a222ab056611236c4c42499d24c8317bc96 git remote add rppt https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git git fetch --no-tags rppt crash-kernel/arm64-remap/v0.1 git checkout 3aaa4a222ab056611236c4c42499d24c8317bc96 # 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=arm64 SHELL=/bin/bash arch/arm64/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All errors (new ones prefixed by >>): >> arch/arm64/mm/init.c:133:3: error: use of undeclared identifier 'crashkres_protection_possible' crashkres_protection_possible = true; ^ arch/arm64/mm/init.c:151:2: error: use of undeclared identifier 'crashkres_protection_possible' crashkres_protection_possible = true; ^ 2 errors generated. vim +/crashkres_protection_possible +133 arch/arm64/mm/init.c 119 120 static unsigned long long __init 121 reserve_remap_crashkernel(unsigned long long crash_base, 122 unsigned long long crash_size, 123 unsigned long long crash_max) 124 { 125 unsigned long long size; 126 127 /* 128 * If linear map uses base pages or there is no ZONE_DMA/ZONE_DMA32 129 * the crashk_res will be mapped with PTEs in mmu::map_mem() 130 */ 131 if (can_set_direct_map() || IS_ENABLED(CONFIG_KFENCE) || 132 !have_zone_dma()) { > 133 crashkres_protection_possible = true; 134 return 0; 135 } 136 137 if (crash_base) 138 return 0; 139 140 size = ALIGN(crash_size, PUD_SIZE); 141 142 crash_base = memblock_phys_alloc_range(size, PUD_SIZE, 0, crash_max); 143 if (!crash_base) 144 return 0; 145 146 if (remap_crashkernel(crash_base, crash_size, size)) { 147 memblock_phys_free(crash_base, size); 148 return 0; 149 } 150 151 crashkres_protection_possible = true; 152 memblock_phys_free(crash_base + crash_size, size - crash_size); 153 154 return crash_base; 155 } 156 -- 0-DAY CI Kernel Test Service https://01.org/lkp