From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) (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 728352C9E for ; Wed, 8 Dec 2021 08:35:39 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10191"; a="236524333" X-IronPort-AV: E=Sophos;i="5.87,297,1631602800"; d="scan'208";a="236524333" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Dec 2021 00:35:38 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,297,1631602800"; d="scan'208";a="502966528" Received: from lkp-server02.sh.intel.com (HELO 9e1e9f9b3bcb) ([10.239.97.151]) by orsmga007.jf.intel.com with ESMTP; 08 Dec 2021 00:35:36 -0800 Received: from kbuild by 9e1e9f9b3bcb with local (Exim 4.92) (envelope-from ) id 1musQJ-0000Ig-Rh; Wed, 08 Dec 2021 08:35:35 +0000 Date: Wed, 8 Dec 2021 16:34:58 +0800 From: kernel test robot Cc: kbuild-all@lists.01.org, llvm@lists.linux.dev Subject: arch/x86/kernel/fpu/xstate.o: warning: objtool: fpstate_realloc()+0x225: unreachable instruction Message-ID: <202112081601.4Ew2BGm4-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: "Chang S. Bae" CC: Borislav Petkov CC: Thomas Gleixner Hi Chang, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 2a987e65025e2b79c6d453b78cb5985ac6e5eb26 commit: 2308ee57d93d896618dd65c996429c9d3e469fe0 x86/fpu/amx: Enable the AMX feature in 64-bit mode date: 6 weeks ago config: x86_64-randconfig-r035-20211128 (https://download.01.org/0day-ci/archive/20211208/202112081601.4Ew2BGm4-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=2308ee57d93d896618dd65c996429c9d3e469fe0 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 2308ee57d93d896618dd65c996429c9d3e469fe0 # 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 arch/x86/ block// crypto// drivers/ fs// kernel// mm// net/ sound/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> arch/x86/kernel/fpu/xstate.o: warning: objtool: fpstate_realloc()+0x225: unreachable instruction --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org