From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (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 81F401494BF for ; Thu, 9 May 2024 06:12:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715235126; cv=none; b=ZO8iyKMSZAiLZsnjc2RXb384u49UsjA4XM5vFOonH9z2FpQsu11VLf+Yf9m/sxbDSHVU9hWLE7VY6guMA2dU+YepQLg4JEd2zUHzpD3TB39YqeOo4ZPDj18YhTWXT07fALdB8XeunI9cfPWWXMPyaWX2Blgt33j5uoFHsDmPYzg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715235126; c=relaxed/simple; bh=kt415/BYdj6nnQbZy2107UHj5qf3fLlxWZY60NUzFJk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=iULdyKmcj8W+sSmS9qFKB7oG8sKRQrMuT39qiTnOJa72Y+PqRXCOXdujRUFGZOuC9U8yyXVjfYsMXeVh/H+2eC4Sox7c5eKy9r37957gK2EpbmEa76z/IRL6T/gxD47YqSZF6wJr5D2yISmLhnXNKQwMfn/vDjnlNbH4Zvw7gKU= 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=KvZmxOKC; arc=none smtp.client-ip=192.198.163.10 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="KvZmxOKC" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1715235124; x=1746771124; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=kt415/BYdj6nnQbZy2107UHj5qf3fLlxWZY60NUzFJk=; b=KvZmxOKCH3ddMrGPUrnJCqbUaBTM0QUGr01r5STYaCNVdvgwjhENauIn kyXWGpJADHb53z4m2F2VCEjJwujsiXOHmJw/i0hj/fv/WFl4shHuqsYbB MQvwxTzg8PniA6b4kmGm9ddZ27LnaEWNXFHGrJsC62kVU6cvElahzMu7u /zXCyPJQv97l1nwQA3zKx2AUWXGl0bly8q5msRem+jG0YaMNAHJLnEGMR frBYS+9IxxVgm+L3rIOdXFvYQca+dOR1e0SfldOVw8hMcy0hPTRGlRXwh 8RZ4cqljgiTJfLvRaozuAVDrHcYYvDAIbqNJlWVTyymJCE6O/xse2f56o A==; X-CSE-ConnectionGUID: TvlVQss0S5Kat9McsYvMmg== X-CSE-MsgGUID: 30pY62MZTqufv9/5pJQq9Q== X-IronPort-AV: E=McAfee;i="6600,9927,11067"; a="22530095" X-IronPort-AV: E=Sophos;i="6.08,147,1712646000"; d="scan'208";a="22530095" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2024 23:12:04 -0700 X-CSE-ConnectionGUID: dHelW6KtTOyMIMz9mcgRQA== X-CSE-MsgGUID: WId4gxlKQeqiBN7b4RoMbA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,147,1712646000"; d="scan'208";a="52333890" Received: from lkp-server01.sh.intel.com (HELO f8b243fe6e68) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 08 May 2024 23:12:03 -0700 Received: from kbuild by f8b243fe6e68 with local (Exim 4.96) (envelope-from ) id 1s4x0a-0004Vo-1T; Thu, 09 May 2024 06:12:00 +0000 Date: Thu, 9 May 2024 14:11:19 +0800 From: kernel test robot To: William Tu Cc: oe-kbuild-all@lists.linux.dev Subject: Re: [PATCH RFC net-next] net: cache the __dev_alloc_name() Message-ID: <202405091354.2Bdd0B0X-lkp@intel.com> References: <20240506203207.1307971-1-witu@nvidia.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240506203207.1307971-1-witu@nvidia.com> Hi William, [This is a private test report for your RFC patch.] kernel test robot noticed the following build warnings: [auto build test WARNING on net/main] [also build test WARNING on linus/master v6.9-rc7] [cannot apply to net-next/main horms-ipvs/master next-20240508] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/William-Tu/net-cache-the-__dev_alloc_name/20240507-043305 base: net/main patch link: https://lore.kernel.org/r/20240506203207.1307971-1-witu%40nvidia.com patch subject: [PATCH RFC net-next] net: cache the __dev_alloc_name() config: alpha-defconfig (https://download.01.org/0day-ci/archive/20240509/202405091354.2Bdd0B0X-lkp@intel.com/config) compiler: alpha-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240509/202405091354.2Bdd0B0X-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/202405091354.2Bdd0B0X-lkp@intel.com/ All warnings (new ones prefixed by >>): >> net/core/dev.c:295:13: warning: 'netdev_name_pat_in_use' defined but not used [-Wunused-function] 295 | static bool netdev_name_pat_in_use(struct net *net, const char *pat) // eth%d | ^~~~~~~~~~~~~~~~~~~~~~ >> net/core/dev.c:277:13: warning: 'netdev_name_pat_node_del' defined but not used [-Wunused-function] 277 | static void netdev_name_pat_node_del(struct netdev_name_pat_node *pat_node) | ^~~~~~~~~~~~~~~~~~~~~~~~ >> net/core/dev.c:264:13: warning: 'netdev_name_pat_node_free' defined but not used [-Wunused-function] 264 | static void netdev_name_pat_node_free(struct netdev_name_pat_node *pat_node) | ^~~~~~~~~~~~~~~~~~~~~~~~~ vim +/netdev_name_pat_in_use +295 net/core/dev.c 263 > 264 static void netdev_name_pat_node_free(struct netdev_name_pat_node *pat_node) 265 { 266 bitmap_free(pat_node->inuse); 267 kfree(pat_node); 268 } 269 270 static void netdev_name_pat_node_add(struct net *net, 271 struct netdev_name_pat_node *pat_node) 272 { 273 hlist_add_head(&pat_node->hlist, 274 dev_name_pat_hash(net, pat_node->name_pat)); 275 } 276 > 277 static void netdev_name_pat_node_del(struct netdev_name_pat_node *pat_node) 278 { 279 hlist_del_rcu(&pat_node->hlist); 280 } 281 282 static struct netdev_name_pat_node * 283 netdev_name_pat_node_lookup(struct net *net, const char *pat) 284 { 285 struct hlist_head *head = dev_name_pat_hash(net, pat); 286 struct netdev_name_pat_node *pat_node; 287 288 hlist_for_each_entry(pat_node, head, hlist) { 289 if (!strcmp(pat_node->name_pat, pat)) 290 return pat_node; 291 } 292 return NULL; 293 } 294 > 295 static bool netdev_name_pat_in_use(struct net *net, const char *pat) // eth%d 296 { 297 return netdev_name_pat_node_lookup(net, pat); 298 } 299 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki