From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) (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 282793806D7 for ; Sat, 2 May 2026 15:44:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777736657; cv=none; b=ZDUk0BJG5yIBtl0b2n4u8inReLF2igumErpxLp73NQOOBXDS5QSoq0DiXr9dPrH/mZmq/sPkfIQRaJnHKCrq2w1Lu202mqHImjw1hmJHaEWRQsSSCtdptOzNhoBvSNNPoqD6gNdhcPL/6U7cLdYexPh6OUiEn41R0o3UT/8+AYo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777736657; c=relaxed/simple; bh=gWdnSxSkANXhBiXFY3TXGdzpaTSp1sLZSiBDAcsUtBY=; h=Date:From:To:Cc:Subject:Message-ID; b=Wug918MUDiczAeh1B7ini5bCJotRh8yfkajn3kGKZ00EM0n/Z2Idznct11eLbF353wk3Lo6Fi5g9nV5VvR5n4fL/DPNQ9vqzqwj77zeWxXDgEoW8JjANzZjX12e0qkeOeWm6yrD3d+LemKWnZarlRw00Ew/OdpFKs0x88VuYtJo= 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=lhjK8Ytp; arc=none smtp.client-ip=198.175.65.13 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="lhjK8Ytp" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1777736656; x=1809272656; h=date:from:to:cc:subject:message-id; bh=gWdnSxSkANXhBiXFY3TXGdzpaTSp1sLZSiBDAcsUtBY=; b=lhjK8YtpxLtVegsp+eWAudJ/JyfHIxufk+IdbWGouIuZS9FQRhVDqiwB fScMnXrpGWEi60t0aSpPOFcftax2c6s0YIYx01QD1xMJNJMg+gOw2pBza r2Jyfluk6QMqDVWZ+m3roBMX0bKOjAYqJUJ9bLG7j6nmZsp8JPpHO+EYu aLIq95MKfys/kIwfWJ3Bv3ZxHUHmal/ZTYP5C9nqyW/XEWRCgwtt9UoxN 1GMJSWfTl8sreS3Z7uMyv3JZ50ZT+fgD9ZJC1g65sLWfPQJL6mCILqFJN oUWyG1EYxwUN48VLtPLRMymQ/57B2l+m1RyQgGnrFRkC5MFEQOGVwgHP5 g==; X-CSE-ConnectionGUID: Wrn+gH5GQ7ibB9t5rVCRkg== X-CSE-MsgGUID: 7QReXyVKReCCUfz8TW8YKA== X-IronPort-AV: E=McAfee;i="6800,10657,11774"; a="89768115" X-IronPort-AV: E=Sophos;i="6.23,212,1770624000"; d="scan'208";a="89768115" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 May 2026 08:44:16 -0700 X-CSE-ConnectionGUID: AZ4wiuDET3qsrBb1wP49NA== X-CSE-MsgGUID: bfUZutn+TCSR9b85CajvMw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,212,1770624000"; d="scan'208";a="239443186" Received: from lkp-server01.sh.intel.com (HELO 781826d00641) ([10.239.97.150]) by orviesa004.jf.intel.com with ESMTP; 02 May 2026 08:44:15 -0700 Received: from kbuild by 781826d00641 with local (Exim 4.98.2) (envelope-from ) id 1wJCVn-000000001VJ-2Yp7; Sat, 02 May 2026 15:44:11 +0000 Date: Sat, 02 May 2026 23:43:24 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com Subject: [akpm-mm:mm-nonmm-unstable 38/57] ERROR: modpost: "__sync_add_and_fetch_4" [kernel/trace/ring_buffer_benchmark.ko] undefined! Message-ID: <202605022314.CyfLKqrA-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: "only suspicious fbc files changed" :::::: BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: David Hildenbrand CC: Andrew Morton CC: Linux Memory Management List CC: mm-commits@vger.kernel.org TO: Konstantin Khorenko CC: Andrew Morton CC: Linux Memory Management List CC: Peter Oberparleiter tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable head: e672d8e8696b8a51ad9326bf38a97f2011d6ba31 commit: 5f17c8a4261c0fb72783bc1d6cb2ec4b1611897c [38/57] gcov: use atomic counter updates to fix concurrent access crashes :::::: branch date: 25 hours ago :::::: commit date: 8 days ago config: csky-allmodconfig (https://download.01.org/0day-ci/archive/20260502/202605022314.CyfLKqrA-lkp@intel.com/config) compiler: csky-linux-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260502/202605022314.CyfLKqrA-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/r/202605022314.CyfLKqrA-lkp@intel.com/ All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "__sync_add_and_fetch_4" [kernel/trace/ring_buffer_benchmark.ko] undefined! >> ERROR: modpost: "__sync_add_and_fetch_4" [kernel/trace/preemptirq_delay_test.ko] undefined! >> ERROR: modpost: "__sync_add_and_fetch_4" [kernel/trace/synth_event_gen_test.ko] undefined! >> ERROR: modpost: "__sync_add_and_fetch_4" [kernel/trace/kprobe_event_gen_test.ko] undefined! >> ERROR: modpost: "__sync_add_and_fetch_4" [kernel/trace/remote_test.ko] undefined! >> ERROR: modpost: "__sync_add_and_fetch_4" [io_uring/mock_file.ko] undefined! >> ERROR: modpost: "__sync_add_and_fetch_4" [net/rds/rds.ko] undefined! >> ERROR: modpost: "__sync_add_and_fetch_4" [net/rds/rds_rdma.ko] undefined! >> ERROR: modpost: "__sync_add_and_fetch_4" [net/rds/rds_tcp.ko] undefined! -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki