include/linux/compiler_types.h:631:38: error: call to '__compiletime_assert_424' declared with attribute error: BUILD_BUG_ON failed: offsetof(struct qla_tgt_sess_op, atio) + sizeof(u->atio) != sizeof(*u)

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

Hi Finn,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   551c722f40809618230001baccf219193e22fc5a
commit: e428b013d9dff30f7a65509e33047ba975cce8ba atomic: specify alignment for atomic_t and atomic64_t
date:   8 months ago
config: m68k-randconfig-r2102-20260930 (https://download.01.org/0day-ci/archive/20260930/202609301230.CauIUXCF-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260930/202609301230.CauIUXCF-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
| Fixes: e428b013d9df ("atomic: specify alignment for atomic_t and atomic64_t")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609301230.CauIUXCF-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from <command-line>:
   In function 'qlt_queue_unknown_atio',
       inlined from 'qlt_24xx_atio_pkt_all_vps' at drivers/scsi/qla2xxx/qla_target.c:331:4,
       inlined from 'qlt_24xx_process_atio_queue' at drivers/scsi/qla2xxx/qla_target.c:7903:4:
>> include/linux/compiler_types.h:631:38: error: call to '__compiletime_assert_424' declared with attribute error: BUILD_BUG_ON failed: offsetof(struct qla_tgt_sess_op, atio) + sizeof(u->atio) != sizeof(*u)
     _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
                                         ^
   include/linux/compiler_types.h:612:4: note: in definition of macro '__compiletime_assert'
       prefix ## suffix();    \
       ^~~~~~
   include/linux/compiler_types.h:631:2: note: in expansion of macro '_compiletime_assert'
     _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
     ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
    #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                        ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
     BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
     ^~~~~~~~~~~~~~~~
   drivers/scsi/qla2xxx/qla_target.c:216:2: note: in expansion of macro 'BUILD_BUG_ON'
     BUILD_BUG_ON(offsetof(struct qla_tgt_sess_op, atio) + sizeof(u->atio) != sizeof(*u));
     ^~~~~~~~~~~~
--
   In file included from <command-line>:
   In function 'qlt_queue_unknown_atio',
       inlined from 'qlt_24xx_atio_pkt_all_vps' at qla_target.c:331:4,
       inlined from 'qlt_24xx_process_atio_queue' at qla_target.c:7903:4:
>> include/linux/compiler_types.h:631:38: error: call to '__compiletime_assert_424' declared with attribute error: BUILD_BUG_ON failed: offsetof(struct qla_tgt_sess_op, atio) + sizeof(u->atio) != sizeof(*u)
     _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
                                         ^
   include/linux/compiler_types.h:612:4: note: in definition of macro '__compiletime_assert'
       prefix ## suffix();    \
       ^~~~~~
   include/linux/compiler_types.h:631:2: note: in expansion of macro '_compiletime_assert'
     _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
     ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
    #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                        ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
     BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
     ^~~~~~~~~~~~~~~~
   qla_target.c:216:2: note: in expansion of macro 'BUILD_BUG_ON'
     BUILD_BUG_ON(offsetof(struct qla_tgt_sess_op, atio) + sizeof(u->atio) != sizeof(*u));
     ^~~~~~~~~~~~


vim +/__compiletime_assert_424 +631 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  617  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  618  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  619  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  620  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  621  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  622   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  623   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  624   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  625   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  626   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  627   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  628   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  629   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  630  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @631  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  632  

:::::: The code at line 631 was first introduced by commit
:::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h

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

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