From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) (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 2FC7326D4E3; Fri, 15 Aug 2025 06:48:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755240484; cv=none; b=sJpjsy1mce2xqUjAkkB1c1M13fcvdsETrudN7b+DmmUiN2uc9rnAxk38AVYb5lsDabyQgDHk4mZaJyq6ngzgV8s2Oon9Z5OcqyXglniEJjqHyoKwTAbpNILqvbung4sj2QOuTzYlvhTCiw/7IfsqwE6lgsS6O5shNW+j3eLMyXY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755240484; c=relaxed/simple; bh=JoZn79aBzPPrDDr0xHM5IQgwaowZCOkP1rtnzUXddyI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=QDvvssa/gQqr/ysPJDyIMLJ4EL+95OIB8XQE8bZtt/Kb1M/hMDG2ydS7gzaqeiRCVvrfrGU88210I8f00z1oXHEZDQaGRF7QG2qHdwkSJyVqdZsWHk0Wto4w0NJUcFEKFK8twFole8qkkWgkohQ17+QBB2wEoaDIw0T45CsIOMo= 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=kU0zIpuF; arc=none smtp.client-ip=198.175.65.16 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="kU0zIpuF" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1755240482; x=1786776482; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=JoZn79aBzPPrDDr0xHM5IQgwaowZCOkP1rtnzUXddyI=; b=kU0zIpuFbQc8r+vVMKXSkFK2GjUakMFtkRwD+wCaR9LxHorXJ82hzKvt YKUSQGoiRKo2uHABhwZwv//UwGteiHgfFQVDUg4kKjN8no1N8QK3FKjC3 JPiJcjEpyq1wxhYOrpfN1itypElITKn4XOEWSzWvoGWwhacIuYvYVQNiT wQ/FmzmVQtpvZEfh7ho56QXTcEmCIyp1lDHbIxgEhwyjdWTSTLrRmeQRL udGdi6uL6ZxhScR451v3a9q/7XQC4dljLRhSlJbaj6YJJ5eTw4mdbTtoL gA2rlPTQO28E0D+egg2pC/NlQ3QswufaUbWjeedAHSITLW3F6muJN/9ZA A==; X-CSE-ConnectionGUID: ovOQmZ1ZS9yrCINLMKRtnw== X-CSE-MsgGUID: u31sYK83Q1a9d8hNcE7jIw== X-IronPort-AV: E=McAfee;i="6800,10657,11522"; a="57714255" X-IronPort-AV: E=Sophos;i="6.17,290,1747724400"; d="scan'208";a="57714255" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Aug 2025 23:48:01 -0700 X-CSE-ConnectionGUID: q5kEDUGMRySi7HKMbuH4gA== X-CSE-MsgGUID: nDLocVRPTjaBabj3cOv3kA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,290,1747724400"; d="scan'208";a="171083464" Received: from lkp-server02.sh.intel.com (HELO 4ea60e6ab079) ([10.239.97.151]) by fmviesa003.fm.intel.com with ESMTP; 14 Aug 2025 23:47:59 -0700 Received: from kbuild by 4ea60e6ab079 with local (Exim 4.96) (envelope-from ) id 1umoEG-000Bea-1u; Fri, 15 Aug 2025 06:47:56 +0000 Date: Fri, 15 Aug 2025 14:47:39 +0800 From: kernel test robot To: Qinxin Xia , will@kernel.org, robin.murphy@arm.com, linux-kernel@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, xiaqinxin@huawei.com, yangyicong@huawei.com, wangzhou1@hisilicon.com, prime.zeng@hisilicon.com, xuwei5@huawei.com, fanghao11@huawei.com, jonathan.cameron@huawei.com, linuxarm@huawei.com Subject: Re: [PATCH 1/2] iommu/debug: Add IOMMU page table dump debug facility Message-ID: <202508151456.FmgCiCK4-lkp@intel.com> References: <20250814093005.2040511-2-xiaqinxin@huawei.com> Precedence: bulk X-Mailing-List: iommu@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: <20250814093005.2040511-2-xiaqinxin@huawei.com> Hi Qinxin, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] [also build test WARNING on linus/master v6.17-rc1 next-20250814] [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/Qinxin-Xia/iommu-debug-Add-IOMMU-page-table-dump-debug-facility/20250814-173720 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20250814093005.2040511-2-xiaqinxin%40huawei.com patch subject: [PATCH 1/2] iommu/debug: Add IOMMU page table dump debug facility config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20250815/202508151456.FmgCiCK4-lkp@intel.com/config) compiler: sh4-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250815/202508151456.FmgCiCK4-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/202508151456.FmgCiCK4-lkp@intel.com/ All warnings (new ones prefixed by >>): >> mm/io_ptdump_debugfs.c:14:13: warning: no previous prototype for 'io_ptdump_debugfs_register' [-Wmissing-prototypes] 14 | void __init io_ptdump_debugfs_register(const char *name) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/io_ptdump_debugfs_register +14 mm/io_ptdump_debugfs.c 13 > 14 void __init io_ptdump_debugfs_register(const char *name) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki