linux-kernel - Re: [PATCH v4 6/9] cxl/region: Add register

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Message-ID: <202511210343.c0vb4NRc-lkp@intel.com>
Date: Fri, 21 Nov 2025 04:21:51 +0800
From: kernel test robot <lkp@...el.com>
To: Smita Koralahalli <Smita.KoralahalliChannabasappa@....com>,
	linux-cxl@...r.kernel.org, linux-kernel@...r.kernel.org,
	nvdimm@...ts.linux.dev, linux-fsdevel@...r.kernel.org,
	linux-pm@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev,
	Alison Schofield <alison.schofield@...el.com>,
	Vishal Verma <vishal.l.verma@...el.com>,
	Ira Weiny <ira.weiny@...el.com>,
	Dan Williams <dan.j.williams@...el.com>,
	Jonathan Cameron <jonathan.cameron@...wei.com>,
	Yazen Ghannam <yazen.ghannam@....com>,
	Dave Jiang <dave.jiang@...el.com>,
	Davidlohr Bueso <dave@...olabs.net>,
	Matthew Wilcox <willy@...radead.org>, Jan Kara <jack@...e.cz>,
	"Rafael J . Wysocki" <rafael@...nel.org>,
	Len Brown <len.brown@...el.com>, Pavel Machek <pavel@...nel.org>,
	Li Ming <ming.li@...omail.com>,
	Jeff Johnson <jeff.johnson@....qualcomm.com>,
	Ying Huang <huang.ying.caritas@...il.com>,
	Yao Xingtao <yaoxt.fnst@...itsu.com>,
	Peter Zijlstra <peterz@...radead.org>, Greg KH <greg@...ah.com>,
	Nathan Fontenot <nathan.fontenot@....com>,
	Terry Bowman <terry.bowman@....com>,
	Robert Richter <rrichter@....com>,
	Benjamin Cheatham <benjamin.cheatham@....com>,
	Zhijian Li <lizhijian@...itsu.com>, Borislav Petkov <bp@...en8.de>
Subject: Re: [PATCH v4 6/9] cxl/region: Add register_dax flag to defer DAX
 setup

Hi Smita,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 211ddde0823f1442e4ad052a2f30f050145ccada]

url:    https://github.com/intel-lab-lkp/linux/commits/Smita-Koralahalli/dax-hmem-e820-resource-Defer-Soft-Reserved-insertion-until-hmem-is-ready/20251120-112457
base:   211ddde0823f1442e4ad052a2f30f050145ccada
patch link:    https://lore.kernel.org/r/20251120031925.87762-7-Smita.KoralahalliChannabasappa%40amd.com
patch subject: [PATCH v4 6/9] cxl/region: Add register_dax flag to defer DAX setup
config: sparc64-randconfig-6002-20251120 (https://download.01.org/0day-ci/archive/20251121/202511210343.c0vb4NRc-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 13.4.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251121/202511210343.c0vb4NRc-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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202511210343.c0vb4NRc-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> Warning: drivers/cxl/core/region.c:2544 function parameter 'register_dax' not described in 'devm_cxl_add_region'

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki