Hi "Mickaël,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on f40ddce88593482919761f74910f42f4b84c004b]

url:    https://github.com/0day-ci/linux/commits/Micka-l-Sala-n/Kconfig-oldconfig-string-update/20210215-203522
base:   f40ddce88593482919761f74910f42f4b84c004b
config: x86_64-randconfig-a005-20210215 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/0day-ci/linux/commit/57f88038e4ac44e3de063cd5914d91cbb3eecf8f
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Micka-l-Sala-n/Kconfig-oldconfig-string-update/20210215-203522
        git checkout 57f88038e4ac44e3de063cd5914d91cbb3eecf8f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> security/security.c:85:59: error: use of undeclared identifier 'CONFIG_LSM'
   static __initconst const char * const builtin_lsm_order = CONFIG_LSM;
                                                             ^
   1 error generated.


vim +/CONFIG_LSM +85 security/security.c

^1da177e4c3f41 Linus Torvalds 2005-04-16  84  
13e735c0e95324 Kees Cook      2018-10-09 @85  static __initconst const char * const builtin_lsm_order = CONFIG_LSM;
13e735c0e95324 Kees Cook      2018-10-09  86  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org