From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) (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 0A5957E for ; Tue, 22 Feb 2022 07:44:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1645515842; x=1677051842; h=date:from:cc:subject:message-id:mime-version; bh=pNBLq+N1cbUSoyakQQ3hiSs5O/hIcYraNQyGKv9znF8=; b=DuFiw2wH+8UfMTq44w/P1+9g2oCfRzLoLJWDtZRl2jq53gNfOe7Yr8Fa NDpYHRsh3oeZlCZ3AGrV0JcM57DwSkrfzHKmpYkEDoSuw4HBEGw4vbOOA EdBiHmJLcTyMVQobVFF8nICzizxuUm8+SZtrx8314QyJ9Z2q57D+e82LL p28yCB5hVHUMO9XqUZ+nnA7tZf4gVytUsvxo7tcz3q3YQvUFK5cqnfFeg FCMWylNUfERK3S/vRV31ezBRsyC5ZvCO2NjHjOoQDTXVxCTLh4Qy3zA2w miDELoxRB5Vuvks7hoceMuM5RDY9tuaR/J11GJZUltH29IpiyXTgIEd7O A==; X-IronPort-AV: E=McAfee;i="6200,9189,10265"; a="338064791" X-IronPort-AV: E=Sophos;i="5.88,387,1635231600"; d="scan'208";a="338064791" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Feb 2022 23:44:01 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,387,1635231600"; d="scan'208";a="507885880" Received: from lkp-server01.sh.intel.com (HELO da3212ac2f54) ([10.239.97.150]) by orsmga006.jf.intel.com with ESMTP; 21 Feb 2022 23:43:57 -0800 Received: from kbuild by da3212ac2f54 with local (Exim 4.92) (envelope-from ) id 1nMPq0-0002Uc-Hi; Tue, 22 Feb 2022 07:43:56 +0000 Date: Tue, 22 Feb 2022 15:43:25 +0800 From: kernel test robot Cc: kbuild-all@lists.01.org, llvm@lists.linux.dev Subject: [peterz-queue:x86/wip.ibt 34/39] arch/x86/xen/xen-asm.o: warning: objtool: bad .discard.noendbr entry Message-ID: <202202221525.2v8cxcwx-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: Peter Zijlstra Hi Peter, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/wip.ibt head: 1436dce5f32d577e8cef693e09f4bb1faa0e2692 commit: d94342a792e1b38f567c728a969ae70ed77dfba0 [34/39] objtool: Read the NOENDBR annotation config: x86_64-randconfig-a011-20220221 (https://download.01.org/0day-ci/archive/20220222/202202221525.2v8cxcwx-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e) 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/peterz/queue.git/commit/?id=d94342a792e1b38f567c728a969ae70ed77dfba0 git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git git fetch --no-tags peterz-queue x86/wip.ibt git checkout d94342a792e1b38f567c728a969ae70ed77dfba0 # 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/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> arch/x86/xen/xen-asm.o: warning: objtool: bad .discard.noendbr entry --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org