Subject: Re: [PATCH v4 1/1] x86/elf: Add a new .note section containing xfeatures buffer layout info to x86 core files

From: kernel test robot <[email-masked]>
Date: Wed, 24 Jul 2024 06:46:19 +0800

Hi Vignesh,

kernel test robot noticed the following build errors:

[auto build test ERROR on kees/for-next/execve]
[also build test ERROR on tip/x86/core kees/for-next/pstore kees/for-next/kspp linus/master v6.10 next-20240723]
[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/Vignesh-Balasubramanian/x86-elf-Add-a-new-note-section-containing-xfeatures-buffer-layout-info-to-x86-core-files/20240723-170946
base:   https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/execve
patch link:    https://lore.kernel.org/r/20240723090454.8241-2-vigbalas%40amd.com
patch subject: [PATCH v4 1/1] x86/elf: Add a new .note section containing xfeatures buffer layout info to x86 core files
config: x86_64-buildonly-randconfig-005-20240724 (https://download.01.org/0day-ci/archive/20240724/[email-masked]/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240724/[email-masked]/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 <[email-masked]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email-masked]/

All errors (new ones prefixed by >>):

   In file included from <built-in>:1:
   ./usr/include/asm/elf.h:6:2: error: unknown type name 'u32'
       6 |         u32 type;
         |         ^
   ./usr/include/asm/elf.h:7:2: error: unknown type name 'u32'
       7 |         u32 size;
         |         ^
   ./usr/include/asm/elf.h:8:2: error: unknown type name 'u32'
       8 |         u32 offset;
         |         ^
   ./usr/include/asm/elf.h:9:2: error: unknown type name 'u32'
       9 |         u32 flags;
         |         ^
>> ./usr/include/asm/elf.h:12:16: error: static assertion failed due to requirement 'sizeof(struct x86_xfeat_component) % 4 == 0': x86_xfeat_component is not aligned
      12 | _Static_assert(sizeof(struct x86_xfeat_component)%4 == 0, "x86_xfeat_component is not aligned");
         |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   ./usr/include/asm/elf.h:12:53: note: expression evaluates to '1 == 0'
      12 | _Static_assert(sizeof(struct x86_xfeat_component)%4 == 0, "x86_xfeat_component is not aligned");
         |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
   5 errors generated.

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