From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) (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 6A77F68 for ; Sun, 5 Dec 2021 21:11:41 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10189"; a="224464021" X-IronPort-AV: E=Sophos;i="5.87,290,1631602800"; d="scan'208";a="224464021" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Dec 2021 13:11:40 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,290,1631602800"; d="scan'208";a="514472829" Received: from lkp-server02.sh.intel.com (HELO 9e1e9f9b3bcb) ([10.239.97.151]) by orsmga008.jf.intel.com with ESMTP; 05 Dec 2021 13:11:40 -0800 Received: from kbuild by 9e1e9f9b3bcb with local (Exim 4.92) (envelope-from ) id 1mtynL-000KWd-Bn; Sun, 05 Dec 2021 21:11:39 +0000 Date: Mon, 6 Dec 2021 05:10:56 +0800 From: kernel test robot Cc: kbuild-all@lists.01.org, llvm@lists.linux.dev Subject: fs/btrfs/free-space-cache.o: warning: objtool: btrfs_remove_free_space()+0x87d: unreachable instruction Message-ID: <202112060525.NQugbdwr-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 User-Agent: Mutt/1.10.1 (2018-07-13) CC: linux-kernel@vger.kernel.org TO: Naohiro Aota CC: David Sterba tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 944207047ca4dabe8e288f653e7ec6da05e70230 commit: 0ae79c6fe70d5c5c645733b7ed39d5e6021d8c9a btrfs: zoned: fix block group alloc_offset calculation date: 3 months ago config: x86_64-randconfig-a001-20211204 (https://download.01.org/0day-ci/archive/20211206/202112060525.NQugbdwr-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5f1d1854eb1450d352663ee732235893c5782237) 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=0ae79c6fe70d5c5c645733b7ed39d5e6021d8c9a git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 0ae79c6fe70d5c5c645733b7ed39d5e6021d8c9a # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash M=fs/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> fs/btrfs/free-space-cache.o: warning: objtool: btrfs_remove_free_space()+0x87d: unreachable instruction --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org