Re: [RFC PATCH 2/4] nvme: add live migration TP 4159 definitions

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

Hi Chaitanya,

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

[auto build test ERROR on awilliam-vfio/next]
[also build test ERROR on axboe-block/for-next linus/master v6.16 next-20250801]
[cannot apply to linux-nvme/for-next awilliam-vfio/for-linus]
[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/Chaitanya-Kulkarni/vfio-nvme-add-vfio-nvme-lm-driver-infrastructure/20250803-105056
base:   https://github.com/awilliam/linux-vfio.git next
patch link:    https://lore.kernel.org/r/20250803024705.10256-3-kch%40nvidia.com
patch subject: [RFC PATCH 2/4] nvme: add live migration TP 4159 definitions
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20250804/202508040631.ujWU9xow-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250804/202508040631.ujWU9xow-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202508040631.ujWU9xow-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from <command-line>:
   In function '_nvme_check_size',
       inlined from 'nvme_core_init' at drivers/nvme/host/core.c:5342:2:
>> include/linux/compiler_types.h:568:45: error: call to '__compiletime_assert_586' declared with attribute error: BUILD_BUG_ON failed: sizeof(struct nvme_id_ctrl) != NVME_IDENTIFY_DATA_SIZE
     568 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:549:25: note: in definition of macro '__compiletime_assert'
     549 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:568:9: note: in expansion of macro '_compiletime_assert'
     568 |         _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/nvme/host/core.c:5317:9: note: in expansion of macro 'BUILD_BUG_ON'
    5317 |         BUILD_BUG_ON(sizeof(struct nvme_id_ctrl) != NVME_IDENTIFY_DATA_SIZE);
         |         ^~~~~~~~~~~~
--
   In file included from <command-line>:
   In function '_nvme_check_size',
       inlined from 'nvme_core_init' at core.c:5342:2:
>> include/linux/compiler_types.h:568:45: error: call to '__compiletime_assert_586' declared with attribute error: BUILD_BUG_ON failed: sizeof(struct nvme_id_ctrl) != NVME_IDENTIFY_DATA_SIZE
     568 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:549:25: note: in definition of macro '__compiletime_assert'
     549 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:568:9: note: in expansion of macro '_compiletime_assert'
     568 |         _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)
         |         ^~~~~~~~~~~~~~~~
   core.c:5317:9: note: in expansion of macro 'BUILD_BUG_ON'
    5317 |         BUILD_BUG_ON(sizeof(struct nvme_id_ctrl) != NVME_IDENTIFY_DATA_SIZE);
         |         ^~~~~~~~~~~~


vim +/__compiletime_assert_586 +568 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  554  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  555  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  556  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  557  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  558  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  559   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  560   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  561   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  562   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  563   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  564   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  565   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  566   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  567  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @568  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  569  

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