From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) (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 7E87723D283; Thu, 7 May 2026 01:41:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778118094; cv=none; b=ce3TYzsrvd/NMw3whe8Nq4XJXxpTjW1CSbiY0RVsEOs6SHG/Y12Q+y6tKvptmQ9ousWEsNxbmHEI1NX0zQMB/UcoatUZBMQSH3ab7ioogAnsNRxk+2ktgjM+Mq254ibEEZggpcgGUn7+D+LqbVJU2Bl01y3shoL1ZlgR/xaK4zw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778118094; c=relaxed/simple; bh=wO5vhQqDka++NhEZmxe7dc618EjmbcBVTo0a3RXkeCY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=nE/Xldg0alVI9szCKFZk8nv1QKF47z7qDZegB9VVuspRI4omyXS+4nbYlFkVYw7MlpWkXTO/ypv3x8JrVuMaLrFToxQ/845lWl+vhSs5iGZd7mkvhUBMZcnnxIxrYW+Tos8cpjumYcQvhOK0TcvItAoegp6uNJvFifM9I1ilKaA= 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=cLdGKeZk; arc=none smtp.client-ip=192.198.163.19 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="cLdGKeZk" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778118091; x=1809654091; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=wO5vhQqDka++NhEZmxe7dc618EjmbcBVTo0a3RXkeCY=; b=cLdGKeZkBYAnxARi4zYsTqOVKNkwMAHjUkFcOvAWenGYNRGdzwby0W0+ Airuqb55yApxZqHFMuHQ+YysqjZEYQKYC+NlGcNkWKujJUmq7ip9NCND6 ZohD0UEGXntLmdU41bOXEjm9m3UA+JQb65CmqhkJViVScThHH/zBpjWnm tu6666cZcOczjF47nX2Mv/AOt+4uGCTnndWNzdKoPR2XebLW0dqNmDRLw 0ZFE4yXRCTHOhnlRsLAGl+lxRuhyMZSC3FgKWN21FBPXnfXUhgUSSnSRo Dk9rRoySGfLImqS+jdhQWFboi3MwjM6YDD6oV+h4vj8r7+h1VqVAZL651 A==; X-CSE-ConnectionGUID: X6AehSwXTyKL29ZUD44/Wg== X-CSE-MsgGUID: 4VxoY5OERWyCGddq2UQeaA== X-IronPort-AV: E=McAfee;i="6800,10657,11778"; a="78089462" X-IronPort-AV: E=Sophos;i="6.23,220,1770624000"; d="scan'208";a="78089462" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 May 2026 18:41:31 -0700 X-CSE-ConnectionGUID: 8Sg+47i/Q3WGFjDN+XXGKA== X-CSE-MsgGUID: T1z2AYfbTdCTuKErTLJmhw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,220,1770624000"; d="scan'208";a="266694515" Received: from igk-lkp-server01.igk.intel.com (HELO bdf09bfdbd5f) ([10.211.93.152]) by orviesa002.jf.intel.com with ESMTP; 06 May 2026 18:41:28 -0700 Received: from kbuild by bdf09bfdbd5f with local (Exim 4.98.2) (envelope-from ) id 1wKnjx-000000006ib-3o27; Thu, 07 May 2026 01:41:25 +0000 Date: Thu, 7 May 2026 03:40:30 +0200 From: kernel test robot To: Kuniyuki Iwashima , Martin KaFai Lau , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eduard Zingerman , Kumar Kartikeya Dwivedi Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Kuniyuki Iwashima , bpf@vger.kernel.org, netdev@vger.kernel.org, Eulgyu Kim Subject: Re: [PATCH v1 bpf] bpf: Free reuseport cBPF prog after RCU grace period. Message-ID: <202605070321.vVxQf7dU-lkp@intel.com> References: <20260424235247.1990272-1-kuniyu@google.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260424235247.1990272-1-kuniyu@google.com> Hi Kuniyuki, kernel test robot noticed the following build errors: [auto build test ERROR on bpf/master] url: https://github.com/intel-lab-lkp/linux/commits/Kuniyuki-Iwashima/bpf-Free-reuseport-cBPF-prog-after-RCU-grace-period/20260425-093050 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git master patch link: https://lore.kernel.org/r/20260424235247.1990272-1-kuniyu%40google.com patch subject: [PATCH v1 bpf] bpf: Free reuseport cBPF prog after RCU grace period. config: x86_64-kexec (https://download.01.org/0day-ci/archive/20260507/202605070321.vVxQf7dU-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260507/202605070321.vVxQf7dU-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/202605070321.vVxQf7dU-lkp@intel.com/ All errors (new ones prefixed by >>): >> net/core/filter.c:1666:6: error: conflicting types for 'sk_reuseport_prog_free' 1666 | void sk_reuseport_prog_free(struct bpf_prog *prog, bool wait_rcu) | ^ include/linux/filter.h:1146:6: note: previous declaration is here 1146 | void sk_reuseport_prog_free(struct bpf_prog *prog); | ^ 1 error generated. vim +/sk_reuseport_prog_free +1666 net/core/filter.c 1665 > 1666 void sk_reuseport_prog_free(struct bpf_prog *prog, bool wait_rcu) 1667 { 1668 if (!prog) 1669 return; 1670 1671 if (bpf_prog_was_classic(prog)) 1672 call_rcu(&prog->aux->rcu, sk_reuseport_prog_free_rcu); 1673 else 1674 bpf_prog_put(prog); 1675 } 1676 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki