From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) (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 B54C87C; Mon, 24 Apr 2023 01:57:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1682301459; x=1713837459; h=date:from:cc:subject:message-id:mime-version; bh=olIacq1qB3BykiGW6TZbstpPcEkI4743NXJEYe38UWU=; b=gyW8RtGQ/aetSf4urHH4GGQUokHoDxX0Y98kg+QbTbfH52UWWzgbkAfb c5rWNDA709qG3brZUcKKdm9Dl4hlNPrL/YY+Z7OyT1JJLUqZ+21uBiVP2 MgjlJTw6fwuPi9WmPwNCkNAcg/HGkei+bwbhcpc7afdnbeekfE22di1rU FK/bmTAgD6FEUG6R6F7sapz1rd3tnTIwwJyDE1RDKGxq7qBeUyasQUBMq /EmJ7PqFdqrbdGn3bJFzaOcXSU8pOfzAabmFV8Qhg//QzKdv06e1IQ+y5 8GrnQJu55ktMERADvAR7UfFA6j7lmsD9B4UbvI3fCn0aRIivEnl4dIP36 A==; X-IronPort-AV: E=McAfee;i="6600,9927,10689"; a="409270051" X-IronPort-AV: E=Sophos;i="5.99,221,1677571200"; d="scan'208";a="409270051" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Apr 2023 18:57:39 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10689"; a="686600306" X-IronPort-AV: E=Sophos;i="5.99,221,1677571200"; d="scan'208";a="686600306" Received: from lkp-server01.sh.intel.com (HELO b613635ddfff) ([10.239.97.150]) by orsmga007.jf.intel.com with ESMTP; 23 Apr 2023 18:57:38 -0700 Received: from kbuild by b613635ddfff with local (Exim 4.96) (envelope-from ) id 1pqlST-000iDU-2D; Mon, 24 Apr 2023 01:57:37 +0000 Date: Mon, 24 Apr 2023 09:56:50 +0800 From: kernel test robot Cc: oe-kbuild-all@lists.linux.dev, llvm@lists.linux.dev Subject: vmlinux.o: warning: objtool: rtl92cu_hw_init() falls through to next function rtl92cu_card_disable() Message-ID: <202304240900.0PrWkvPr-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 tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 457391b0380335d5e9a5babdec90ac53928b23b4 commit: 08feafe8d1958febf3a9733a3d1564d8fc23340e objtool: Fix function fallthrough detection for vmlinux date: 1 year ago config: x86_64-buildonly-randconfig-r005-20230424 (https://download.01.org/0day-ci/archive/20230424/202304240900.0PrWkvPr-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=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig COMPILER_INSTALL_PATH=$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 | Link: https://lore.kernel.org/oe-kbuild-all/202304240900.0PrWkvPr-lkp@intel.com/ All warnings (new ones prefixed by >>): vmlinux.o: warning: objtool: balance_internal()+0x857: stack state mismatch: cfa1=4+296 cfa2=4+272 >> vmlinux.o: warning: objtool: rtl92cu_hw_init() falls through to next function rtl92cu_card_disable() -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests