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 DEC24C8F0; Sun, 1 Mar 2026 00:32:09 +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=1772325132; cv=none; b=XHzprip87SiFik0ZvFWvVQE8X93zeWfdlM1oBdYOOqL1m9oRDDDPv/cIsdYXjvVMBPLGFqkkq8c/BJ9QZWXLNcCVMCrBx7TVDCczv1TFqSWW71+V5S7r65i650iNZ5cnklvIe2g+ZViHdzicvoaktamXRYwFTFRoccuHQ7tTSbc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772325132; c=relaxed/simple; bh=TlSSePKM3GuJDulN8PdgjjrxcYit8AN/yoJ6NfQ3SZw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=etd3yutUPBuB/K2v282pBdDhjcP/DWa7R68S1+oqslH+3Yxjg76uQZEUBCTsEYHT7DKcj4H08dw0ZWvMFhk+jWYNryl+4PF5z1l4X6JzQzG0EOohrAt2mxOGtW0oF13i4MurB9V/VCuyZQVuK4I3SiXaPa/Uh0DaOUoMz67e3FY= 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=fHvrv3MJ; 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="fHvrv3MJ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1772325130; x=1803861130; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=TlSSePKM3GuJDulN8PdgjjrxcYit8AN/yoJ6NfQ3SZw=; b=fHvrv3MJ5TqRLeXqN0mpG5k6py2uwr9QlhueGZNg0c1csppjty8Re882 kUIBwfgFr6MisBaOANrcZX4LDJ0J8UxNqNDwce+6cQJ6RAdqXTP5iUPrV e16hMFh1L1LklLujsLHd5ZrPs9Tqrv6UARfuAp/yIozgEYIi86hC9eef9 bAyl5nt62sXWKKIO4nafw3n38mEhW9zbj2Vsat3z+tb0SwZemcCp1sToz bx4zQQhynNuIeWdloYtFucY9NIp1oP1OLSS1kDE2BYVkhzOnzkKZki46I MEt4kFCFjAcvd0zF6bOHXSr+RDg3/JumCmfzGCMEARL2fnqfW8ETcH6Rz Q==; X-CSE-ConnectionGUID: soEx6cL9RmqsU61jDo2EsA== X-CSE-MsgGUID: oQ71yKeCQKaXYuc/E3KFtQ== X-IronPort-AV: E=McAfee;i="6800,10657,11715"; a="84458569" X-IronPort-AV: E=Sophos;i="6.21,317,1763452800"; d="scan'208";a="84458569" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Feb 2026 16:32:09 -0800 X-CSE-ConnectionGUID: ftQmhjOyTgS4E1dLQyxjoA== X-CSE-MsgGUID: BrReWZ8RQpmzGbICru2SAA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,317,1763452800"; d="scan'208";a="247763191" Received: from lkp-server01.sh.intel.com (HELO 59784f1c7b2a) ([10.239.97.150]) by orviesa002.jf.intel.com with ESMTP; 28 Feb 2026 16:32:07 -0800 Received: from kbuild by 59784f1c7b2a with local (Exim 4.98.2) (envelope-from ) id 1vwUj5-000000000GD-2Gah; Sun, 01 Mar 2026 00:32:03 +0000 Date: Sun, 1 Mar 2026 08:31:05 +0800 From: kernel test robot To: Sean Chang , Andrew Lunn , Chuck Lever , David Laight , nicolas.ferre@microchip.com, claudiu.beznea@tuxon.dev, trond.myklebust@hammerspace.com, anna@kernel.org Cc: oe-kbuild-all@lists.linux.dev, netdev@vger.kernel.org, linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, Sean Chang Subject: Re: [PATCH v5 1/2] sunrpc: simplify dfprintk macros and fix nfsd build error Message-ID: <202603010808.w3TtG6fC-lkp@intel.com> References: <20260228180821.811683-2-seanwascoding@gmail.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: <20260228180821.811683-2-seanwascoding@gmail.com> Hi Sean, kernel test robot noticed the following build warnings: [auto build test WARNING on brauner-vfs/vfs.all] [also build test WARNING on trondmy-nfs/linux-next net/main net-next/main linus/master v7.0-rc1 next-20260227] [cannot apply to horms-ipvs/master] [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/Sean-Chang/sunrpc-simplify-dfprintk-macros-and-fix-nfsd-build-error/20260301-040617 base: https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git vfs.all patch link: https://lore.kernel.org/r/20260228180821.811683-2-seanwascoding%40gmail.com patch subject: [PATCH v5 1/2] sunrpc: simplify dfprintk macros and fix nfsd build error config: i386-randconfig-141-20260301 (https://download.01.org/0day-ci/archive/20260301/202603010808.w3TtG6fC-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) smatch version: v0.5.0-8994-gd50c5a4c reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260301/202603010808.w3TtG6fC-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/202603010808.w3TtG6fC-lkp@intel.com/ All warnings (new ones prefixed by >>): fs/lockd/svclock.c:163:5: error: call to undeclared function 'nlmdbg_cookie2a'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 163 | nlmdbg_cookie2a(&block->b_call->a_args.cookie)); | ^ >> fs/lockd/svclock.c:163:5: warning: format specifies type 'char *' but the argument has type 'int' [-Wformat] 159 | dprintk("lockd: check f=%p pd=%d %Ld-%Ld ty=%d cookie=%s\n", | ~~ | %d 160 | block->b_file, fl->c.flc_pid, 161 | (long long)fl->fl_start, 162 | (long long)fl->fl_end, fl->c.flc_type, 163 | nlmdbg_cookie2a(&block->b_call->a_args.cookie)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/sunrpc/debug.h:23:28: note: expanded from macro 'dprintk' 23 | dfprintk(FACILITY, fmt, ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/sunrpc/debug.h:55:40: note: expanded from macro 'dfprintk' 55 | # define dfprintk(fac, ...) no_printk(__VA_ARGS__) | ^~~~~~~~~~~ include/linux/printk.h:134:18: note: expanded from macro 'no_printk' 134 | _printk(fmt, ##__VA_ARGS__); \ | ~~~ ^~~~~~~~~~~ fs/lockd/svclock.c:202:47: error: call to undeclared function 'nlmdbg_cookie2a'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 202 | dprintk("nlmsvc_find_block(%s): block=%p\n", nlmdbg_cookie2a(cookie), block); | ^ fs/lockd/svclock.c:202:47: warning: format specifies type 'char *' but the argument has type 'int' [-Wformat] 202 | dprintk("nlmsvc_find_block(%s): block=%p\n", nlmdbg_cookie2a(cookie), block); | ~~ ^~~~~~~~~~~~~~~~~~~~~~~ | %d include/linux/sunrpc/debug.h:23:28: note: expanded from macro 'dprintk' 23 | dfprintk(FACILITY, fmt, ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/sunrpc/debug.h:55:40: note: expanded from macro 'dfprintk' 55 | # define dfprintk(fac, ...) no_printk(__VA_ARGS__) | ^~~~~~~~~~~ include/linux/printk.h:134:18: note: expanded from macro 'no_printk' 134 | _printk(fmt, ##__VA_ARGS__); \ | ~~~ ^~~~~~~~~~~ 2 warnings and 2 errors generated. vim +163 fs/lockd/svclock.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 141 ^1da177e4c3f41 Linus Torvalds 2005-04-16 142 /* d9f6eb75d49007 Trond Myklebust 2006-03-20 143 * Find a block for a given lock ^1da177e4c3f41 Linus Torvalds 2005-04-16 144 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 145 static struct nlm_block * d9f6eb75d49007 Trond Myklebust 2006-03-20 146 nlmsvc_lookup_block(struct nlm_file *file, struct nlm_lock *lock) ^1da177e4c3f41 Linus Torvalds 2005-04-16 147 { 68a2d76cea4234 Olaf Kirch 2006-10-04 148 struct nlm_block *block; ^1da177e4c3f41 Linus Torvalds 2005-04-16 149 struct file_lock *fl; ^1da177e4c3f41 Linus Torvalds 2005-04-16 150 ^1da177e4c3f41 Linus Torvalds 2005-04-16 151 dprintk("lockd: nlmsvc_lookup_block f=%p pd=%d %Ld-%Ld ty=%d\n", eb8ed7c6ab08cd Jeff Layton 2024-01-31 152 file, lock->fl.c.flc_pid, ^1da177e4c3f41 Linus Torvalds 2005-04-16 153 (long long)lock->fl.fl_start, eb8ed7c6ab08cd Jeff Layton 2024-01-31 154 (long long)lock->fl.fl_end, eb8ed7c6ab08cd Jeff Layton 2024-01-31 155 lock->fl.c.flc_type); be2be5f7f44364 Alexander Aring 2023-07-20 156 spin_lock(&nlm_blocked_lock); 68a2d76cea4234 Olaf Kirch 2006-10-04 157 list_for_each_entry(block, &nlm_blocked, b_list) { 92737230dd3f14 Trond Myklebust 2006-03-20 158 fl = &block->b_call->a_args.lock.fl; ^1da177e4c3f41 Linus Torvalds 2005-04-16 159 dprintk("lockd: check f=%p pd=%d %Ld-%Ld ty=%d cookie=%s\n", eb8ed7c6ab08cd Jeff Layton 2024-01-31 160 block->b_file, fl->c.flc_pid, ^1da177e4c3f41 Linus Torvalds 2005-04-16 161 (long long)fl->fl_start, eb8ed7c6ab08cd Jeff Layton 2024-01-31 162 (long long)fl->fl_end, fl->c.flc_type, 92737230dd3f14 Trond Myklebust 2006-03-20 @163 nlmdbg_cookie2a(&block->b_call->a_args.cookie)); ^1da177e4c3f41 Linus Torvalds 2005-04-16 164 if (block->b_file == file && nlm_compare_locks(fl, &lock->fl)) { 6849c0cab69f5d Trond Myklebust 2006-03-20 165 kref_get(&block->b_count); be2be5f7f44364 Alexander Aring 2023-07-20 166 spin_unlock(&nlm_blocked_lock); ^1da177e4c3f41 Linus Torvalds 2005-04-16 167 return block; ^1da177e4c3f41 Linus Torvalds 2005-04-16 168 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 169 } be2be5f7f44364 Alexander Aring 2023-07-20 170 spin_unlock(&nlm_blocked_lock); ^1da177e4c3f41 Linus Torvalds 2005-04-16 171 ^1da177e4c3f41 Linus Torvalds 2005-04-16 172 return NULL; ^1da177e4c3f41 Linus Torvalds 2005-04-16 173 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 174 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki