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X-IronPort-AV: E=McAfee;i="6400,9594,10416"; a="288211901" X-IronPort-AV: E=Sophos;i="5.93,187,1654585200"; d="scan'208";a="288211901" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jul 2022 01:30:13 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,187,1654585200"; d="scan'208";a="631817685" Received: from lkp-server01.sh.intel.com (HELO e0eace57cfef) ([10.239.97.150]) by orsmga001.jf.intel.com with ESMTP; 23 Jul 2022 01:30:12 -0700 Received: from kbuild by e0eace57cfef with local (Exim 4.96) (envelope-from ) id 1oFAWZ-0002Qn-0z; Sat, 23 Jul 2022 08:30:11 +0000 Date: Sat, 23 Jul 2022 16:29:52 +0800 From: kernel test robot To: Tejun Heo Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, Ammar Faizi , GNU/Weeb Mailing List , linux-kernel@vger.kernel.org Subject: [ammarfaizi2-block:tj/cgroup/for-next 7/8] kernel/cgroup/cgroup.c:1310:32: error: use of undeclared identifier 'CGRP_ROOT_FAVOR_DYNMODS' Message-ID: <202207231608.bk36zznz-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline List-Id: tree: https://github.com/ammarfaizi2/linux-block tj/cgroup/for-next head: c87b1452249c69cdec70d5de64ea81f56e1ba3f8 commit: 79276d9e0dda30071b9a98045a3efa7e0a76938b [7/8] cgroup: Make !percpu threadgroup_rwsem operations optional config: hexagon-randconfig-r041-20220722 (https://download.01.org/0day-ci/archive/20220723/202207231608.bk36zznz-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 12fbd2d377e396ad61bce56d71c98a1eb1bebfa9) 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/ammarfaizi2/linux-block/commit/79276d9e0dda30071b9a98045a3efa7e0a76938b git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block tj/cgroup/for-next git checkout 79276d9e0dda30071b9a98045a3efa7e0a76938b # 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=hexagon SHELL=/bin/bash kernel/cgroup/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All error/warnings (new ones prefixed by >>): >> kernel/cgroup/cgroup.c:1310:32: error: use of undeclared identifier 'CGRP_ROOT_FAVOR_DYNMODS' bool favoring = root->flags & CGRP_ROOT_FAVOR_DYNMODS; ^ kernel/cgroup/cgroup.c:1315:18: error: use of undeclared identifier 'CGRP_ROOT_FAVOR_DYNMODS' root->flags |= CGRP_ROOT_FAVOR_DYNMODS; ^ kernel/cgroup/cgroup.c:1318:19: error: use of undeclared identifier 'CGRP_ROOT_FAVOR_DYNMODS' root->flags &= ~CGRP_ROOT_FAVOR_DYNMODS; ^ >> kernel/cgroup/cgroup.c:1308:6: warning: no previous prototype for function 'cgroup_favor_dynmods' [-Wmissing-prototypes] void cgroup_favor_dynmods(struct cgroup_root *root, bool favor) ^ kernel/cgroup/cgroup.c:1308:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void cgroup_favor_dynmods(struct cgroup_root *root, bool favor) ^ static kernel/cgroup/cgroup.c:1912:17: error: use of undeclared identifier 'CGRP_ROOT_FAVOR_DYNMODS' ctx->flags |= CGRP_ROOT_FAVOR_DYNMODS; ^ kernel/cgroup/cgroup.c:1915:18: error: use of undeclared identifier 'CGRP_ROOT_FAVOR_DYNMODS' ctx->flags &= ~CGRP_ROOT_FAVOR_DYNMODS; ^ kernel/cgroup/cgroup.c:1942:23: error: use of undeclared identifier 'CGRP_ROOT_FAVOR_DYNMODS' root_flags & CGRP_ROOT_FAVOR_DYNMODS); ^ kernel/cgroup/cgroup.c:1960:28: error: use of undeclared identifier 'CGRP_ROOT_FAVOR_DYNMODS' if (cgrp_dfl_root.flags & CGRP_ROOT_FAVOR_DYNMODS) ^ kernel/cgroup/cgroup.c:2013:30: error: use of undeclared identifier 'CGRP_ROOT_FAVOR_DYNMODS' root->flags = ctx->flags & ~CGRP_ROOT_FAVOR_DYNMODS; ^ 1 warning and 8 errors generated. -- >> kernel/cgroup/cgroup-v1.c:878:20: error: use of undeclared identifier 'CGRP_ROOT_FAVOR_DYNMODS' if (root->flags & CGRP_ROOT_FAVOR_DYNMODS) ^ kernel/cgroup/cgroup-v1.c:970:17: error: use of undeclared identifier 'CGRP_ROOT_FAVOR_DYNMODS' ctx->flags |= CGRP_ROOT_FAVOR_DYNMODS; ^ kernel/cgroup/cgroup-v1.c:973:18: error: use of undeclared identifier 'CGRP_ROOT_FAVOR_DYNMODS' ctx->flags &= ~CGRP_ROOT_FAVOR_DYNMODS; ^ >> kernel/cgroup/cgroup-v1.c:1227:3: error: call to undeclared function 'cgroup_favor_dynmods'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] cgroup_favor_dynmods(root, ctx->flags & CGRP_ROOT_FAVOR_DYNMODS); ^ kernel/cgroup/cgroup-v1.c:1227:43: error: use of undeclared identifier 'CGRP_ROOT_FAVOR_DYNMODS' cgroup_favor_dynmods(root, ctx->flags & CGRP_ROOT_FAVOR_DYNMODS); ^ 5 errors generated. vim +/CGRP_ROOT_FAVOR_DYNMODS +1310 kernel/cgroup/cgroup.c 1307 > 1308 void cgroup_favor_dynmods(struct cgroup_root *root, bool favor) 1309 { > 1310 bool favoring = root->flags & CGRP_ROOT_FAVOR_DYNMODS; 1311 1312 /* see the comment above CGRP_ROOT_FAVOR_DYNMODS definition */ 1313 if (favor && !favoring) { 1314 rcu_sync_enter(&cgroup_threadgroup_rwsem.rss); 1315 root->flags |= CGRP_ROOT_FAVOR_DYNMODS; 1316 } else if (!favor && favoring) { 1317 rcu_sync_exit(&cgroup_threadgroup_rwsem.rss); 1318 root->flags &= ~CGRP_ROOT_FAVOR_DYNMODS; 1319 } 1320 } 1321 -- 0-DAY CI Kernel Test Service https://01.org/lkp