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* [xilinx-xlnx:xlnx_rebase_v5.15_LTS_2022.1_update 778/1102] include/linux/compiler_types.h:322:45: error: call to '__compiletime_assert_377' declared with attribute error: FIELD_PREP: mask is not constant
@ 2022-06-02 13:13 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-06-02 13:13 UTC (permalink / raw)
  To: Rajesh Gugulothu
  Cc: kbuild-all, linux-arm-kernel, Michal Simek, Hyun Kwon,
	Vishal Sagar

Hi Rajesh,

FYI, the error/warning still remains.

tree:   https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.15_LTS_2022.1_update
head:   8e42834c82e505bacccca3c9d35da7041793d9d7
commit: 1606e76a608339cc67dfd9b03542976482b90805 [778/1102] v4l: xilinx: Driver support for Xilinx DP Rx subsystem
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220602/202206022146.OlBX8CDa-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-1) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/Xilinx/linux-xlnx/commit/1606e76a608339cc67dfd9b03542976482b90805
        git remote add xilinx-xlnx https://github.com/Xilinx/linux-xlnx
        git fetch --no-tags xilinx-xlnx xlnx_rebase_v5.15_LTS_2022.1_update
        git checkout 1606e76a608339cc67dfd9b03542976482b90805
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   In file included from <command-line>:
   drivers/media/platform/xilinx/xilinx-dprxss.c: In function 'xdprxss_clrset.constprop':
>> include/linux/compiler_types.h:322:45: error: call to '__compiletime_assert_377' declared with attribute error: FIELD_PREP: mask is not constant
     322 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:303:25: note: in definition of macro '__compiletime_assert'
     303 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert'
     322 |         _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/bitfield.h:46:17: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      46 |                 BUILD_BUG_ON_MSG(!__builtin_constant_p(_mask),          \
         |                 ^~~~~~~~~~~~~~~~
   include/linux/bitfield.h:94:17: note: in expansion of macro '__BF_FIELD_CHECK'
      94 |                 __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: ");    \
         |                 ^~~~~~~~~~~~~~~~
   drivers/media/platform/xilinx/xilinx-dprxss.c:521:19: note: in expansion of macro 'FIELD_PREP'
     521 |         regval |= FIELD_PREP(clr_mask, set_data);
         |                   ^~~~~~~~~~
>> include/linux/compiler_types.h:322:45: error: call to '__compiletime_assert_381' declared with attribute error: BUILD_BUG_ON failed: (((clr_mask) + (1ULL << (__builtin_ffsll(clr_mask) - 1))) & (((clr_mask) + (1ULL << (__builtin_ffsll(clr_mask) - 1))) - 1)) != 0
     322 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:303:25: note: in definition of macro '__compiletime_assert'
     303 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:322:9: note: in expansion of macro '_compiletime_assert'
     322 |         _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)
         |         ^~~~~~~~~~~~~~~~
   include/linux/build_bug.h:21:9: note: in expansion of macro 'BUILD_BUG_ON'
      21 |         BUILD_BUG_ON(((n) & ((n) - 1)) != 0)
         |         ^~~~~~~~~~~~
   include/linux/bitfield.h:54:17: note: in expansion of macro '__BUILD_BUG_ON_NOT_POWER_OF_2'
      54 |                 __BUILD_BUG_ON_NOT_POWER_OF_2((_mask) +                 \
         |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/bitfield.h:94:17: note: in expansion of macro '__BF_FIELD_CHECK'
      94 |                 __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: ");    \
         |                 ^~~~~~~~~~~~~~~~
   drivers/media/platform/xilinx/xilinx-dprxss.c:521:19: note: in expansion of macro 'FIELD_PREP'
     521 |         regval |= FIELD_PREP(clr_mask, set_data);
         |                   ^~~~~~~~~~


vim +/__compiletime_assert_377 +322 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  308  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  309  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  310  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  311  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  312  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  313   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  314   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  315   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  316   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  317   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  318   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  319   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  320   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  321  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @322  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  323  

:::::: The code at line 322 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://01.org/lkp

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2022-06-02 13:13 [xilinx-xlnx:xlnx_rebase_v5.15_LTS_2022.1_update 778/1102] include/linux/compiler_types.h:322:45: error: call to '__compiletime_assert_377' declared with attribute error: FIELD_PREP: mask is not constant kernel test robot

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