Re: [RFC PATCH iwl-next 2/6] ip_tunnel: convert __be16 tunnel flags to bitmaps

[kernel test robot <lkp@intel.com>]

Hi Marcin,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:

[auto build test ERROR on tnguy-next-queue/dev-queue]

url:    https://github.com/intel-lab-lkp/linux/commits/Marcin-Szycik/ip_tunnel-use-a-separate-struct-to-store-tunnel-params-in-the-kernel/20230601-225359
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue.git dev-queue
patch link:    https://lore.kernel.org/r/20230601131929.294667-3-marcin.szycik%40linux.intel.com
patch subject: [RFC PATCH iwl-next 2/6] ip_tunnel: convert __be16 tunnel flags to bitmaps
config: arm64-randconfig-c023-20230531 (https://download.01.org/0day-ci/archive/20230603/202306031527.aPyVUuH3-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 12.3.0
reproduce (this is a W=1 build):
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/fbf2c438305222ccd4e32435647669f879be8a72
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Marcin-Szycik/ip_tunnel-use-a-separate-struct-to-store-tunnel-params-in-the-kernel/20230601-225359
        git checkout fbf2c438305222ccd4e32435647669f879be8a72
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=arm64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/net/ethernet/netronome/nfp/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306031527.aPyVUuH3-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from <command-line>:
   drivers/net/ethernet/netronome/nfp/flower/action.c: In function 'nfp_fl_set_tun.isra':
>> include/linux/compiler_types.h:397:45: error: call to '__compiletime_assert_949' declared with attribute error: BUILD_BUG_ON failed: !__builtin_constant_p(__res)
     397 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:378:25: note: in definition of macro '__compiletime_assert'
     378 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:397:9: note: in expansion of macro '_compiletime_assert'
     397 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      50 |         BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |         ^~~~~~~~~~~~~~~~
   drivers/net/ethernet/netronome/nfp/flower/action.c:405:9: note: in expansion of macro 'BUILD_BUG_ON'
     405 |         BUILD_BUG_ON(!__builtin_constant_p(__res));     \
         |         ^~~~~~~~~~~~
   drivers/net/ethernet/netronome/nfp/flower/action.c:431:9: note: in expansion of macro 'NFP_FL_CHECK'
     431 |         NFP_FL_CHECK(CSUM);
         |         ^~~~~~~~~~~~


vim +/__compiletime_assert_949 +397 include/linux/compiler_types.h

eb5c2d4b45e3d2d Will Deacon 2020-07-21  383  
eb5c2d4b45e3d2d Will Deacon 2020-07-21  384  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2d Will Deacon 2020-07-21  385  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2d Will Deacon 2020-07-21  386  
eb5c2d4b45e3d2d Will Deacon 2020-07-21  387  /**
eb5c2d4b45e3d2d Will Deacon 2020-07-21  388   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2d Will Deacon 2020-07-21  389   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2d Will Deacon 2020-07-21  390   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2d Will Deacon 2020-07-21  391   *
eb5c2d4b45e3d2d Will Deacon 2020-07-21  392   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2d Will Deacon 2020-07-21  393   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2d Will Deacon 2020-07-21  394   * compiler has support to do so.
eb5c2d4b45e3d2d Will Deacon 2020-07-21  395   */
eb5c2d4b45e3d2d Will Deacon 2020-07-21  396  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2d Will Deacon 2020-07-21 @397  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2d Will Deacon 2020-07-21  398  

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