linux-kernel - Re: [PATCH v8 06/16] CXL/PCI: Introduce CXL uncorrectable protocol error 'recovery'

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <202503271128.zMRuNISx-lkp@intel.com>
Date: Thu, 27 Mar 2025 12:19:33 +0800
From: kernel test robot <lkp@...el.com>
To: Terry Bowman <terry.bowman@....com>, linux-cxl@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	nifan.cxl@...il.com, dave@...olabs.net, jonathan.cameron@...wei.com,
	dave.jiang@...el.com, alison.schofield@...el.com,
	vishal.l.verma@...el.com, dan.j.williams@...el.com,
	bhelgaas@...gle.com, mahesh@...ux.ibm.com, ira.weiny@...el.com,
	oohall@...il.com, Benjamin.Cheatham@....com, rrichter@....com,
	nathan.fontenot@....com, Smita.KoralahalliChannabasappa@....com,
	lukas@...ner.de, ming.li@...omail.com,
	PradeepVineshReddy.Kodamati@....com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev
Subject: Re: [PATCH v8 06/16] CXL/PCI: Introduce CXL uncorrectable protocol
 error 'recovery'

Hi Terry,

kernel test robot noticed the following build warnings:

[auto build test WARNING on aae0594a7053c60b82621136257c8b648c67b512]

url:    https://github.com/intel-lab-lkp/linux/commits/Terry-Bowman/PCI-CXL-Introduce-PCIe-helper-function-pcie_is_cxl/20250327-095738
base:   aae0594a7053c60b82621136257c8b648c67b512
patch link:    https://lore.kernel.org/r/20250327014717.2988633-7-terry.bowman%40amd.com
patch subject: [PATCH v8 06/16] CXL/PCI: Introduce CXL uncorrectable protocol error 'recovery'
config: arm-mv78xx0_defconfig (https://download.01.org/0day-ci/archive/20250327/202503271128.zMRuNISx-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250327/202503271128.zMRuNISx-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/202503271128.zMRuNISx-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/pci/access.c:2:
>> include/linux/pci.h:1873:6: warning: no previous prototype for function 'pci_aer_clear_fatal_status' [-Wmissing-prototypes]
    1873 | void pci_aer_clear_fatal_status(struct pci_dev *dev) { };
         |      ^
   include/linux/pci.h:1873:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    1873 | void pci_aer_clear_fatal_status(struct pci_dev *dev) { };
         | ^
         | static 
   1 warning generated.
--
   In file included from drivers/pci/probe.c:9:
>> include/linux/pci.h:1873:6: warning: no previous prototype for function 'pci_aer_clear_fatal_status' [-Wmissing-prototypes]
    1873 | void pci_aer_clear_fatal_status(struct pci_dev *dev) { };
         |      ^
   include/linux/pci.h:1873:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    1873 | void pci_aer_clear_fatal_status(struct pci_dev *dev) { };
         | ^
         | static 
   In file included from drivers/pci/probe.c:16:
   include/linux/aer.h:76:20: error: static declaration of 'pci_aer_clear_fatal_status' follows non-static declaration
      76 | static inline void pci_aer_clear_fatal_status(struct pci_dev *dev) { }
         |                    ^
   include/linux/pci.h:1873:6: note: previous definition is here
    1873 | void pci_aer_clear_fatal_status(struct pci_dev *dev) { };
         |      ^
   1 warning and 1 error generated.


vim +/pci_aer_clear_fatal_status +1873 include/linux/pci.h

  1867	
  1868	#ifdef CONFIG_PCIEAER
  1869	bool pci_aer_available(void);
  1870	void pci_aer_clear_fatal_status(struct pci_dev *dev);
  1871	#else
  1872	static inline bool pci_aer_available(void) { return false; }
> 1873	void pci_aer_clear_fatal_status(struct pci_dev *dev) { };
  1874	#endif
  1875	

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