Re: [PATCH RFC 1/8] nvme: Add CDQ command definitions for contiguous PRPs

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

Hi Joel,

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

[auto build test ERROR on 0ff41df1cb268fc69e703a08a57ee14ae967d0ca]

url:    https://github.com/intel-lab-lkp/linux/commits/Joel-Granados/nvme-Add-CDQ-command-definitions-for-contiguous-PRPs/20250714-171834
base:   0ff41df1cb268fc69e703a08a57ee14ae967d0ca
patch link:    https://lore.kernel.org/r/20250714-jag-cdq-v1-1-01e027d256d5%40kernel.org
patch subject: [PATCH RFC 1/8] nvme: Add CDQ command definitions for contiguous PRPs
config: i386-buildonly-randconfig-003-20250715 (https://download.01.org/0day-ci/archive/20250715/202507150251.QaDdT4xy-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250715/202507150251.QaDdT4xy-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/202507150251.QaDdT4xy-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:5146:2:
>> include/linux/compiler_types.h:557:45: error: call to '__compiletime_assert_746' declared with attribute error: BUILD_BUG_ON failed: sizeof(struct nvme_cdq) != 64
     557 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:538:25: note: in definition of macro '__compiletime_assert'
     538 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:557:9: note: in expansion of macro '_compiletime_assert'
     557 |         _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:5136:9: note: in expansion of macro 'BUILD_BUG_ON'
    5136 |         BUILD_BUG_ON(sizeof(struct nvme_cdq) != 64);
         |         ^~~~~~~~~~~~
--
   In file included from <command-line>:
   In function '_nvme_check_size',
       inlined from 'nvme_core_init' at core.c:5146:2:
>> include/linux/compiler_types.h:557:45: error: call to '__compiletime_assert_746' declared with attribute error: BUILD_BUG_ON failed: sizeof(struct nvme_cdq) != 64
     557 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:538:25: note: in definition of macro '__compiletime_assert'
     538 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:557:9: note: in expansion of macro '_compiletime_assert'
     557 |         _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:5136:9: note: in expansion of macro 'BUILD_BUG_ON'
    5136 |         BUILD_BUG_ON(sizeof(struct nvme_cdq) != 64);
         |         ^~~~~~~~~~~~


vim +/__compiletime_assert_746 +557 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  543  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  544  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  545  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  546  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  547  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  548   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  549   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  550   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  551   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  552   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  553   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  554   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  555   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  556  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @557  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  558  

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