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Date: Tue, 9 Jan 2024 08:28:59 +0800
From: kernel test robot <lkp@intel.com>
To: Thomas Zimmermann <tzimmermann@suse.de>, ardb@kernel.org,
	tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
	dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com,
	bhelgaas@google.com, arnd@arndb.de, zohar@linux.ibm.com,
	dmitry.kasatkin@gmail.com, paul@paul-moore.com, jmorris@namei.org,
	serge@hallyn.com, javierm@redhat.com
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	linux-arch@vger.kernel.org, linux-efi@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
	linux-integrity@vger.kernel.org,
	linux-security-module@vger.kernel.org,
	Thomas Zimmermann <tzimmermann@suse.de>
Subject: Re: [PATCH v4 2/4] arch/x86: Move internal setup_data structures
 into setup_data.h
Message-ID: <202401090800.UOBEKB3W-lkp@intel.com>
References: <20240108095903.8427-3-tzimmermann@suse.de>
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In-Reply-To: <20240108095903.8427-3-tzimmermann@suse.de>

Hi Thomas,

kernel test robot noticed the following build warnings:

[auto build test WARNING on tip/x86/core]
[also build test WARNING on efi/next tip/master tip/auto-latest linus/master v6.7 next-20240108]
[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/Thomas-Zimmermann/arch-x86-Move-UAPI-setup-structures-into-setup_data-h/20240108-180158
base:   tip/x86/core
patch link:    https://lore.kernel.org/r/20240108095903.8427-3-tzimmermann%40suse.de
patch subject: [PATCH v4 2/4] arch/x86: Move internal setup_data structures into setup_data.h
config: x86_64-rhel-8.3-bpf (https://download.01.org/0day-ci/archive/20240109/202401090800.UOBEKB3W-lkp@intel.com/config)
compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240109/202401090800.UOBEKB3W-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401090800.UOBEKB3W-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from arch/x86/realmode/rm/wakemain.c:3:
   In file included from arch/x86/boot/boot.h:24:
   In file included from arch/x86/include/asm/setup.h:10:
   In file included from arch/x86/include/asm/page_types.h:7:
   In file included from include/linux/mem_encrypt.h:17:
   In file included from arch/x86/include/asm/mem_encrypt.h:18:
   In file included from arch/x86/include/uapi/asm/bootparam.h:5:
>> arch/x86/include/asm/setup_data.h:10:20: warning: field 'data' with variable sized type 'struct setup_data' not at the end of a struct or class is a GNU extension [-Wgnu-variable-sized-type-not-at-end]
      10 |         struct setup_data data;
         |                           ^
   1 warning generated.


vim +10 arch/x86/include/asm/setup_data.h

     8	
     9	struct pci_setup_rom {
  > 10		struct setup_data data;
    11		uint16_t vendor;
    12		uint16_t devid;
    13		uint64_t pcilen;
    14		unsigned long segment;
    15		unsigned long bus;
    16		unsigned long device;
    17		unsigned long function;
    18		uint8_t romdata[];
    19	};
    20	

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