linux-kernel - include/linux/compiler_types.h:357:45: error: call to '__compiletime_assert_181' declared with attribute error: BUILD

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Date:   Sat, 6 May 2023 06:12:05 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Christopher M. Riedl" <cmr@...escreens.de>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Gray <bgray@...ux.ibm.com>
Subject: include/linux/compiler_types.h:357:45: error: call to
 '__compiletime_assert_181' declared with attribute error: BUILD_BUG failed

Hi Christopher,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   7163a2111f6c030ee39635ac3334bfa1a52a3dd3
commit: c28c15b6d28a776538482101522cbcd9f906b15c powerpc/code-patching: Use temporary mm for Radix MMU
date:   5 months ago
config: powerpc-randconfig-r031-20230505 (https://download.01.org/0day-ci/archive/20230506/202305060648.EjkrACfJ-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c28c15b6d28a776538482101522cbcd9f906b15c
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout c28c15b6d28a776538482101522cbcd9f906b15c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305060648.EjkrACfJ-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from <command-line>:
   In function 'local_flush_tlb_page_psize',
       inlined from '__do_patch_instruction_mm' at arch/powerpc/lib/code-patching.c:310:2,
       inlined from 'do_patch_instruction' at arch/powerpc/lib/code-patching.c:355:9,
       inlined from 'patch_instruction' at arch/powerpc/lib/code-patching.c:379:9:
>> include/linux/compiler_types.h:357:45: error: call to '__compiletime_assert_181' declared with attribute error: BUILD_BUG failed
     357 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:338:25: note: in definition of macro '__compiletime_assert'
     338 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:357:9: note: in expansion of macro '_compiletime_assert'
     357 |         _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:59:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      59 | #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
         |                     ^~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/book3s/32/tlbflush.h:83:9: note: in expansion of macro 'BUILD_BUG'
      83 |         BUILD_BUG();
         |         ^~~~~~~~~


vim +/__compiletime_assert_181 +357 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  343  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  344  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  345  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  346  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  347  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  348   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  349   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  350   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  351   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  352   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  353   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  354   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  355   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  356  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @357  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  358  

:::::: The code at line 357 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