Re: [PATCH v4 2/4] arch/x86: Move internal setup_data structures into setup_data.h

kernel test robot
2024-01-09T00:29:28Z

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

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