From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) (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 E6BDC3C00 for ; Sun, 4 Sep 2022 23:44:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1662335096; x=1693871096; h=date:from:cc:subject:message-id:mime-version; bh=4eycWTCn7QnRoWrh0i2fI7iV6XtPfu26qzlrFBEus4Q=; b=C3HDV9UO2ayq4dR1Gn9+RQ8zDqVV4fp6Wn7o9vPrNb6LsY9lnHQwy1pv jSBEqrlBTCSUaQ4Kn1eFaYojSwOmFaIET6nLUuW7NuOjEPmphNfvq/JLa Vk1cOvTh4ZB0wp2Zbv3Ph7UcPwKTbfufWYG5jjQZDdtvQr2yUr7LEg755 jGQPZ6C/tTLwCkqkW9ycwxwYKrnzCWLwWuj0VOGtPeFKFOeZRzx2sg1VW 4wICB6Ife2iuRmZ1Gnx9+1EJLJqqbe/IIEZhdk9D262uV4hG8x4VHQAk4 OgBIAK3d8NsZVp3qBhdxTsFoP9+ho06kyfkSUPPCYRAvgMZxTvMus8TX0 g==; X-IronPort-AV: E=McAfee;i="6500,9779,10460"; a="296280412" X-IronPort-AV: E=Sophos;i="5.93,290,1654585200"; d="scan'208";a="296280412" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Sep 2022 16:44:56 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,290,1654585200"; d="scan'208";a="590710998" Received: from lkp-server02.sh.intel.com (HELO 95dfd251caa2) ([10.239.97.151]) by orsmga006.jf.intel.com with ESMTP; 04 Sep 2022 16:44:55 -0700 Received: from kbuild by 95dfd251caa2 with local (Exim 4.96) (envelope-from ) id 1oUzIM-0003WT-1D; Sun, 04 Sep 2022 23:44:54 +0000 Date: Mon, 5 Sep 2022 07:44:16 +0800 From: kernel test robot Cc: kbuild-all@lists.01.org, llvm@lists.linux.dev Subject: vmlinux.o: warning: objtool: jffs2_erase_pending_blocks() falls through to next function jffs2_free_jeb_node_refs() Message-ID: <202209050703.qCmWM37o-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 CC: linux-kernel@vger.kernel.org TO: Josh Poimboeuf CC: Peter Zijlstra Hi Josh, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7e18e42e4b280c85b76967a9106a13ca61c16179 commit: 08feafe8d1958febf3a9733a3d1564d8fc23340e objtool: Fix function fallthrough detection for vmlinux date: 5 months ago config: x86_64-randconfig-a016-20220905 (https://download.01.org/0day-ci/archive/20220905/202209050703.qCmWM37o-lkp@intel.com/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) 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=08feafe8d1958febf3a9733a3d1564d8fc23340e git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 08feafe8d1958febf3a9733a3d1564d8fc23340e # 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=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> vmlinux.o: warning: objtool: jffs2_erase_pending_blocks() falls through to next function jffs2_free_jeb_node_refs() -- 0-DAY CI Kernel Test Service https://01.org/lkp