From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) (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 B335C29CA for ; Tue, 14 Dec 2021 03:06:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1639451164; x=1670987164; h=date:from:cc:subject:message-id:mime-version; bh=kh6Z8nYsIfLv1aPsux0rIDe5N02rrHWe8ujRHJJA6Ss=; b=BC/APWTQHc8YCcDfVXzAbTbcOmySh41cd/Kvz+EIcOIgbwzN85VI9f3H uoyCx2n6QBhoM5Ujvwzm1nPyYfhLYnRyp7U2lwVMD4ux6i9RjEu12Znxh X0FcUgj0IoSrP6kiigJrTvEBc9x5OMtBWJweGPZmrM7oIU/tEQdQq9A1n Fc38336z2qAXqEkbaQ/YWDkuJSzI58g0iKJ33WOeSnvJsQXzXMh6vMvjV W1yKEWKPu7KsrvL5U316RKOLvLI484rN46YK7PLAeXzIWbo8Z4UrD84e8 /8fbdk9W4tlWDWmJU4cU/2VRoaqehzW2nupRNYryG4H8DOWStHLbUbSHK g==; X-IronPort-AV: E=McAfee;i="6200,9189,10197"; a="218899807" X-IronPort-AV: E=Sophos;i="5.88,204,1635231600"; d="scan'208";a="218899807" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Dec 2021 19:06:04 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,204,1635231600"; d="scan'208";a="464895594" Received: from lkp-server02.sh.intel.com (HELO 9e1e9f9b3bcb) ([10.239.97.151]) by orsmga006.jf.intel.com with ESMTP; 13 Dec 2021 19:06:03 -0800 Received: from kbuild by 9e1e9f9b3bcb with local (Exim 4.92) (envelope-from ) id 1mwy8g-0007LW-BV; Tue, 14 Dec 2021 03:06:02 +0000 Date: Tue, 14 Dec 2021 11:05:11 +0800 From: kernel test robot Cc: kbuild-all@lists.01.org, llvm@lists.linux.dev Subject: fs/btrfs/compression.o: warning: objtool: alloc_compressed_bio()+0x3af: unreachable instruction Message-ID: <202112141143.euTMArlo-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: Qu Wenruo CC: David Sterba tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 5472f14a37421d1bca3dddf33cabd3bd6dbefbbc commit: f472c28f2e883c3d2781ea6aaaca204e34e93b63 btrfs: determine stripe boundary at bio allocation time in btrfs_submit_compressed_read date: 7 weeks ago config: x86_64-randconfig-r035-20211128 (https://download.01.org/0day-ci/archive/20211214/202112141143.euTMArlo-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5c64d8ef8cc0c0ed3e0f2ae693d99e7f70f20a84) 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=f472c28f2e883c3d2781ea6aaaca204e34e93b63 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout f472c28f2e883c3d2781ea6aaaca204e34e93b63 # 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 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> fs/btrfs/compression.o: warning: objtool: alloc_compressed_bio()+0x3af: unreachable instruction --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org