From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (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 22D54309DDF; Wed, 6 May 2026 19:36:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778096185; cv=none; b=pxBUktwfklVdSf/xIsXvpf6sOQMPcoUPLIfABKcxSFbmy7nIOsriT7NjctGTl8moNQiTwobpd6ZNI0Nn5Qn34tz/Yr4vXsAIC4/Uwh/+Ffl/cU9d9wi3zf4DC24ylruC7wMjTb71sHhRrtN5InNpHVXkQpVDFSvdsQhcsRQBwGg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778096185; c=relaxed/simple; bh=NrxXVqT6gZqs778saJwmFa7N3g9GsPnabIuBuX5oqIM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=I4FiMrnvDZNdfErLsi9r6YZoshWbsZx6Ez8POJMxb4AEHCnNWCdl4dKZIyTtIeCD2IuRkAjR1qmkf+Sqg/ORPdXPt/HelPvGUcCgjy97xU0diKOgcfhxK6s87/Az0Y+2XPNGN3+YwQNiRX27Lkbdv3gQQJbfGK1tfYOQ1aXlZ5w= 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=b1aEmZsd; arc=none smtp.client-ip=192.198.163.14 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="b1aEmZsd" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778096184; x=1809632184; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=NrxXVqT6gZqs778saJwmFa7N3g9GsPnabIuBuX5oqIM=; b=b1aEmZsduuWco4AxxSp8zlKiz86wHzrzziogs1YRRHJD4/oe+51tdfkR pwiKNM0y0cLGVEZXmNJeci2erKx2NEA0cPeVERwx7E8v/3la6yWKtFbXR Jt16SbnGCIrdr77Gexmwc1xCp/wSWg3J67juQMToiGOMbW0jQxvEvHV9Z xXMJ8eCqiZBZJCbevmcbC+kX2mNPGSrcAYAVBuiy4bw5cDJZqQ6KZMlQi Trzf/NVxGlwWzofye2kWNcSiUzbTT5C0CyRt6TOOeSeNQMzdik5KGyx7G ErhH6HYTfhj7BDK56VBCAHBuA0gB47mLg1dqJZ8mDX0XxDMlXKAtA/WGU A==; X-CSE-ConnectionGUID: +nfR/DgkT5CNCWxGE2i+PA== X-CSE-MsgGUID: zu9r6EXQQ7GZfXeP1J97Kw== X-IronPort-AV: E=McAfee;i="6800,10657,11778"; a="79086557" X-IronPort-AV: E=Sophos;i="6.23,220,1770624000"; d="scan'208";a="79086557" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 May 2026 12:36:23 -0700 X-CSE-ConnectionGUID: FE+u2+MMSB+CUTST28UnZA== X-CSE-MsgGUID: SuIM1A7jSJGWv3SsGJVDrA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,220,1770624000"; d="scan'208";a="233132424" Received: from igk-lkp-server01.igk.intel.com (HELO bdf09bfdbd5f) ([10.211.93.152]) by fmviesa007.fm.intel.com with ESMTP; 06 May 2026 12:36:21 -0700 Received: from kbuild by bdf09bfdbd5f with local (Exim 4.98.2) (envelope-from ) id 1wKi2d-000000006bx-0SxN; Wed, 06 May 2026 19:36:19 +0000 Date: Wed, 6 May 2026 21:36:09 +0200 From: kernel test robot To: Kuniyuki Iwashima , Martin KaFai Lau , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eduard Zingerman , Kumar Kartikeya Dwivedi Cc: 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: <202605062104.y7Xps52z-lkp@intel.com> References: <20260424235247.1990272-1-kuniyu@google.com> Precedence: bulk X-Mailing-List: bpf@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-rhel-9.4-ltp (https://download.01.org/0day-ci/archive/20260506/202605062104.y7Xps52z-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260506/202605062104.y7Xps52z-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/202605062104.y7Xps52z-lkp@intel.com/ All errors (new ones prefixed by >>): >> net/core/filter.c:1666:6: error: conflicting types for 'sk_reuseport_prog_free'; have 'void(struct bpf_prog *, bool)' {aka 'void(struct bpf_prog *, _Bool)'} 1666 | void sk_reuseport_prog_free(struct bpf_prog *prog, bool wait_rcu) | ^~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/bpf_verifier.h:9, from net/core/filter.c:21: include/linux/filter.h:1146:6: note: previous declaration of 'sk_reuseport_prog_free' with type 'void(struct bpf_prog *)' 1146 | void sk_reuseport_prog_free(struct bpf_prog *prog); | ^~~~~~~~~~~~~~~~~~~~~~ vim +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