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 A5D6C15D9 for ; Sun, 31 Jul 2022 23:31:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1659310260; x=1690846260; h=date:from:cc:subject:message-id:mime-version; bh=L7VXJdPyE/uwoIUSWUiakpLlSR4AbB/wRm3xII3L4OU=; b=VHFcrXFsaRLN7DfRxAUYd22SCP4CjSufsByvFlpyq0dBUZkot9ldxWzH MRKK7F86mGCxvQzM6BqNeKbZ+hY6/gD+0yXG+/fgbBfYgDDazYJDNUvrX wbAb7X5dqvt+TFNyNIkOX+coNb2/noOhljXGziBypVX/c/uZR15lAzl0l FVPKFwA7i/d2CAXUlgPM7iqSEbgBu1a/y9M8nysJjPCeaUCh8Cj4xcBCh gr0/vRxqOUm8azfkLPMVckXbdLE08jR2dPn3UEHi2RIr9NzpG701FDxsF 9BAbAshThY8Giw/Dx13OUF0Nxv3lo6iVbpP+WEgcHgTOOVM1l6uAZCb+f g==; X-IronPort-AV: E=McAfee;i="6400,9594,10425"; a="289046986" X-IronPort-AV: E=Sophos;i="5.93,206,1654585200"; d="scan'208";a="289046986" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jul 2022 16:30:59 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,206,1654585200"; d="scan'208";a="929353360" Received: from lkp-server01.sh.intel.com (HELO e0eace57cfef) ([10.239.97.150]) by fmsmga005.fm.intel.com with ESMTP; 31 Jul 2022 16:30:59 -0700 Received: from kbuild by e0eace57cfef with local (Exim 4.96) (envelope-from ) id 1oIIOg-000Ect-1d; Sun, 31 Jul 2022 23:30:58 +0000 Date: Mon, 1 Aug 2022 07:30:37 +0800 From: kernel test robot Cc: kbuild-all@lists.01.org, llvm@lists.linux.dev Subject: net/ipv6/ipv6.o: warning: objtool: seg6_local_fill_encap() falls through to next function seg6_local_get_encap_size() Message-ID: <202208010736.vAZ7rWVB-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 BCC: lkp@intel.com CC: linux-kernel@vger.kernel.org TO: Masahiro Yamada CC: Nicolas Schier CC: Sami Tolvanen Hi Masahiro, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 334c0ef6429f261c7f53dc035632435ffbc0c60d commit: c25e1c55822f9b3b53ccbf88b85644317a525752 kbuild: do not create *.prelink.o for Clang LTO or IBT date: 9 weeks ago config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20220801/202208010736.vAZ7rWVB-lkp@intel.com/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 52cd00cabf479aa7eb6dbb063b7ba41ea57bce9e) 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=c25e1c55822f9b3b53ccbf88b85644317a525752 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout c25e1c55822f9b3b53ccbf88b85644317a525752 # 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 net/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> net/ipv6/ipv6.o: warning: objtool: seg6_local_fill_encap() falls through to next function seg6_local_get_encap_size() >> net/ipv6/ipv6.o: warning: objtool: seg6_local_cmp_encap() falls through to next function input_action_end() -- 0-DAY CI Kernel Test Service https://01.org/lkp