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X-CSE-ConnectionGUID: I6ROxJT1TaG5fOcVmoTWyg== X-CSE-MsgGUID: hI0IC8Z9Q2Odx4X3QdJ6sQ== X-IronPort-AV: E=McAfee;i="6800,10657,11934"; a="734198" X-IronPort-AV: E=Sophos;i="6.27,157,1787036400"; d="scan'208";a="734198" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Oct 2026 05:19:23 -0700 X-CSE-ConnectionGUID: 1Ordsn2sSSOS1Y+X02IWGw== X-CSE-MsgGUID: clHdYykLR5GPytHZFQPDBg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,157,1787036400"; d="scan'208";a="1334196" Received: from igk-lkp-server01.igk.intel.com (HELO d0de6c2a75a7) ([10.211.93.152]) by orviesa009.jf.intel.com with ESMTP; 14 Oct 2026 05:19:22 -0700 Received: from kbuild by d0de6c2a75a7 with local (Exim 4.98.2) (envelope-from ) id 1xGxx2-00000000B3v-2P0T; Wed, 14 Oct 2026 12:19:20 +0000 Date: Wed, 14 Oct 2026 14:19:00 +0200 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com Subject: net/phonet/pep.o: warning: objtool: pipe_do_rcv+0x258: unreachable instruction Message-ID: <202610141405.7dUkTwLZ-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: :::::: :::::: Manual check reason: "loongarch: unreachable instruction" :::::: BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: linux-kernel@vger.kernel.org TO: Eric Dumazet CC: Jakub Kicinski CC: Simon Horman Hi Eric, FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4056b3c9d3c92ea45955641dbafeb9b960e146ef commit: a9b460225e47a3d98296eba71c62ff0ad58a2032 net: always inline some skb helpers date: 6 months ago :::::: branch date: 11 hours ago :::::: commit date: 6 months ago config: loongarch-randconfig-2001-20261014 (https://download.01.org/0day-ci/archive/20261014/202610141405.7dUkTwLZ-lkp@intel.com/config) compiler: loongarch64-linux-gcc (GCC) 16.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261014/202610141405.7dUkTwLZ-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Fixes: a9b460225e47 ("net: always inline some skb helpers") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/r/202610141405.7dUkTwLZ-lkp@intel.com/ All warnings (new ones prefixed by >>): >> net/phonet/pep.o: warning: objtool: pipe_do_rcv+0x258: unreachable instruction -- >> net/core/skbuff.o: warning: objtool: skb_pull_rcsum+0x64: unreachable instruction net/core/skbuff.o: warning: objtool: pskb_expand_head+0x70: unreachable instruction net/core/skbuff.o: warning: objtool: skb_segment+0x484: unreachable instruction net/core/skbuff.o: warning: objtool: skb_shift+0x55c: unreachable instruction -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki