netdev - [net-next:main 13/66] include/linux/compiler_types.h:460:45: error: call to '__compiletime_assert_654' declared with attribute error: BUILD_BUG_ON failed: !IS_ALIGNED(offsetof(struct napi_gro

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Message-ID: <202405141504.J6WdljEp-lkp@intel.com>
Date: Tue, 14 May 2024 15:53:43 +0800
From: kernel test robot <lkp@...el.com>
To: Richard Gobert <richardbgobert@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, netdev@...r.kernel.org,
	Jakub Kicinski <kuba@...nel.org>,
	Willem de Bruijn <willemb@...gle.com>
Subject: [net-next:main 13/66] include/linux/compiler_types.h:460:45: error:
 call to '__compiletime_assert_654' declared with attribute error:
 BUILD_BUG_ON failed: !IS_ALIGNED(offsetof(struct napi_gro_cb, zeroed),
 sizeof(u32))

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git main
head:   5c1672705a1a2389f5ad78e0fea6f08ed32d6f18
commit: 4b0ebbca3e1679765c06d5c466ee7f3228d4b156 [13/66] net: gro: move L3 flush checks to tcp_gro_receive and udp_gro_receive_segment
config: m68k-mvme16x_defconfig (https://download.01.org/0day-ci/archive/20240514/202405141504.J6WdljEp-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240514/202405141504.J6WdljEp-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405141504.J6WdljEp-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from <command-line>:
   net/core/gro.c: In function 'dev_gro_receive':
>> include/linux/compiler_types.h:460:45: error: call to '__compiletime_assert_654' declared with attribute error: BUILD_BUG_ON failed: !IS_ALIGNED(offsetof(struct napi_gro_cb, zeroed), sizeof(u32))
     460 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:441:25: note: in definition of macro '__compiletime_assert'
     441 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:460:9: note: in expansion of macro '_compiletime_assert'
     460 |         _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)
         |         ^~~~~~~~~~~~~~~~
   net/core/gro.c:496:9: note: in expansion of macro 'BUILD_BUG_ON'
     496 |         BUILD_BUG_ON(!IS_ALIGNED(offsetof(struct napi_gro_cb, zeroed),
         |         ^~~~~~~~~~~~


vim +/__compiletime_assert_654 +460 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  446  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  447  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  448  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  449  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  450  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  451   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  452   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  453   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  454   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  455   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  456   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  457   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  458   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  459  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @460  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  461  

:::::: The code at line 460 was first introduced by commit
:::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h

:::::: TO: Will Deacon <will@...nel.org>
:::::: CC: Will Deacon <will@...nel.org>

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