From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) (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 25091374A16 for ; Wed, 30 Sep 2026 16:49:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.20 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790786968; cv=none; b=hSRLsSeUedCjV8KQJFjogeAP0ZHZ4CgZ51ud5Lc9WwROcngCNan0MHGZKjHQhumtlyLWXwMaHnVKed8goS4nFgiAPlqdlgQvrp8J8rNrR7bSeQ/cEcLcxgJByPgq46nygo2J/P+GDHoLHpl1oSczjGVuzKKyfhdIRjdyy3HQQms= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790786968; c=relaxed/simple; bh=eDGKP9QOsGvQvGQHBeuK6MlisQRz4E6/UzC9WquR4m0=; h=Date:From:To:Cc:Subject:Message-ID; b=qMsasR7nbSWtloW9OYmjKULbMbdzSeajbyJY9nRgF31JNBe/8SlxJH79yEjuSAOTfgyzvaa6Fm/xocJFWN1n/hsWUYPHQrW9DCJzt/wgz+XBa7jx3TkU1h8RTSDbtemgJpYzxqKtZBPZH1PtZcS/cPk9ypD+XxHsw6RNlcTp8GU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=A/I3PPUH; arc=none smtp.client-ip=198.175.65.20 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="A/I3PPUH" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1790786966; x=1822322966; h=date:from:to:cc:subject:message-id; bh=eDGKP9QOsGvQvGQHBeuK6MlisQRz4E6/UzC9WquR4m0=; b=A/I3PPUHmthj4SAvOSK8xGPmormuisjgdi7kTavLBmwxXB8rQXnD9P6i D/ho0PlYPjTFGXqBjfww2tMaSk5lonPVBUO9RthEz1hIU9aVk3X7+dVoY kMKaEO/VO8WM8RDsMiHWvi6yZxugjWJcGnaEnfAitYRj9WBEgSmZNvZll Ee6ypzbH8t6ErncxwDQ26dw7l1ZU9aFdyqgwPvNV2Hx7GgIhoblk2gzYZ tNOlehS1MSNYJMThr+I8SvCa5L3NrGon5JPIYD0RydDW/sbvdcQn0bgse eWidavP/8pixyDozvhYdOXQJONeslluGBGubW8hOkZbdT2AzVXuGZkP1u A==; X-CSE-ConnectionGUID: D6cimCivQVqc1U88auvitQ== X-CSE-MsgGUID: zTMnuVRXSBOPfSHUkx1Lyw== X-IronPort-AV: E=McAfee;i="6800,10657,11921"; a="90298075" X-IronPort-AV: E=Sophos;i="6.27,132,1787036400"; d="scan'208";a="90298075" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Sep 2026 09:48:58 -0700 X-CSE-ConnectionGUID: U4Epwhf9R++2mPoLjIaNcw== X-CSE-MsgGUID: 8iha6uJjSiu0t7Qw3bsh2g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,132,1787036400"; d="scan'208";a="275288931" Received: from lkp-server01.sh.intel.com (HELO 462990a40a85) ([10.239.97.150]) by fmviesa007.fm.intel.com with ESMTP; 30 Sep 2026 09:48:57 -0700 Received: from kbuild by 462990a40a85 with local (Exim 4.98.2) (envelope-from ) id 1xBxUE-00000000Qu6-1mQV; Wed, 30 Sep 2026 16:48:54 +0000 Date: Thu, 01 Oct 2026 00:48:44 +0800 From: kernel test robot To: Bradley Morgan Cc: oe-kbuild-all@lists.linux.dev, "Paul E. McKenney" Subject: [paulmckrcu:dev.2026.09.18a 24/34] ERROR: modpost: fs/btrfs/btrfs.ko: symbol 'cmpxchg_emu_u8' undefined! Message-ID: <202610010054.roP05vYH-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://github.com/paulmckrcu/linux dev.2026.09.18a head: 90599c372e13369d11f6c1a01ff0094b16f72cf8 commit: c98d10b438b5626edb3f4e06f4f62bcb6ed6fe90 [24/34] lib: Add two-byte cmpxchg emulation function config: xtensa-randconfig-1001-20260930 (https://download.01.org/0day-ci/archive/20261001/202610010054.roP05vYH-lkp@intel.com/config) compiler: xtensa-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261001/202610010054.roP05vYH-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 | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202610010054.roP05vYH-lkp@intel.com/ All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: fs/btrfs/btrfs.ko: symbol 'cmpxchg_emu_u8' undefined! -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki