linux-kernel - Re: [PATCH v12 22/25] CXL/PCI: Export and rename merge_result() to pci_ers_merge

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Message-ID: <202509262230.gXBVTVxW-lkp@intel.com>
Date: Fri, 26 Sep 2025 23:01:28 +0800
From: kernel test robot <lkp@...el.com>
To: Terry Bowman <terry.bowman@....com>, dave@...olabs.net,
	jonathan.cameron@...wei.com, dave.jiang@...el.com,
	alison.schofield@...el.com, dan.j.williams@...el.com,
	bhelgaas@...gle.com, shiju.jose@...wei.com, ming.li@...omail.com,
	Smita.KoralahalliChannabasappa@....com, rrichter@....com,
	dan.carpenter@...aro.org, PradeepVineshReddy.Kodamati@....com,
	lukas@...ner.de, Benjamin.Cheatham@....com,
	sathyanarayanan.kuppuswamy@...ux.intel.com,
	linux-cxl@...r.kernel.org, alucerop@....com, ira.weiny@...el.com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	terry.bowman@....com
Subject: Re: [PATCH v12 22/25] CXL/PCI: Export and rename merge_result() to
 pci_ers_merge_result()

Hi Terry,

kernel test robot noticed the following build errors:

[auto build test ERROR on 46037455cbb748c5e85071c95f2244e81986eb58]

url:    https://github.com/intel-lab-lkp/linux/commits/Terry-Bowman/cxl-pci-Remove-unnecessary-CXL-Endpoint-handling-helper-functions/20250926-064816
base:   46037455cbb748c5e85071c95f2244e81986eb58
patch link:    https://lore.kernel.org/r/20250925223440.3539069-23-terry.bowman%40amd.com
patch subject: [PATCH v12 22/25] CXL/PCI: Export and rename merge_result() to pci_ers_merge_result()
config: powerpc64-randconfig-002-20250926 (https://download.01.org/0day-ci/archive/20250926/202509262230.gXBVTVxW-lkp@intel.com/config)
compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250926/202509262230.gXBVTVxW-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/202509262230.gXBVTVxW-lkp@intel.com/

All errors (new ones prefixed by >>):

>> arch/powerpc/kernel/eeh_driver.c:68:28: error: static declaration of 'pci_ers_merge_result' follows non-static declaration
   static enum pci_ers_result pci_ers_merge_result(enum pci_ers_result old,
                              ^
   include/linux/pci.h:1897:18: note: previous declaration is here
   pci_ers_result_t pci_ers_merge_result(enum pci_ers_result orig,
                    ^
   1 error generated.


vim +/pci_ers_merge_result +68 arch/powerpc/kernel/eeh_driver.c

20b344971433da Sam Bobroff 2018-05-25  67  
30424e386a30d1 Sam Bobroff 2018-05-25 @68  static enum pci_ers_result pci_ers_merge_result(enum pci_ers_result old,
30424e386a30d1 Sam Bobroff 2018-05-25  69  						enum pci_ers_result new)
30424e386a30d1 Sam Bobroff 2018-05-25  70  {
30424e386a30d1 Sam Bobroff 2018-05-25  71  	if (eeh_result_priority(new) > eeh_result_priority(old))
30424e386a30d1 Sam Bobroff 2018-05-25  72  		return new;
30424e386a30d1 Sam Bobroff 2018-05-25  73  	return old;
30424e386a30d1 Sam Bobroff 2018-05-25  74  }
30424e386a30d1 Sam Bobroff 2018-05-25  75  

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