Re: [akpm-mm:mm-unstable 225/293] include/linux/compiler_types.h:397:45: error: call to '__compiletime_assert_357' declared with attribute error: BUILD_BUG_ON failed: ((14 + (14 - 3))-14) > -1

[Philip Li <philip.li@intel.com>]

On Thu, Mar 23, 2023 at 08:54:27PM +0800, kernel test robot wrote:
> Hi Mike,
> 
> FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

sorry for the false postive, these are all related to the bug that bot wrongly
handles ARCH_FORCE_MAX_ORDER. We will fix it asap.

> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable
> head:   51551d71edbc998fd8c8afa7312db3d270f5998e
> commit: 03d7e648fa25961bb92e920e7962710aa72fb409 [225/293] loongarch: drop ranges for definition of ARCH_FORCE_MAX_ORDER
> config: loongarch-defconfig (https://download.01.org/0day-ci/archive/20230323/202303232056.LpwXNsoL-lkp@intel.com/config)
> compiler: loongarch64-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/akpm/mm.git/commit/?id=03d7e648fa25961bb92e920e7962710aa72fb409
>         git remote add akpm-mm https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git
>         git fetch --no-tags akpm-mm mm-unstable
>         git checkout 03d7e648fa25961bb92e920e7962710aa72fb409
>         # save the config file
>         mkdir build_dir && cp config build_dir/.config
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch olddefconfig
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch SHELL=/bin/bash
> 
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp@intel.com>
> | Link: https://lore.kernel.org/oe-kbuild-all/202303232056.LpwXNsoL-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>    In file included from <command-line>:
>    mm/huge_memory.c: In function 'hugepage_init':
> >> include/linux/compiler_types.h:397:45: error: call to '__compiletime_assert_357' declared with attribute error: BUILD_BUG_ON failed: ((14 + (14 - 3))-14) > -1
>      397 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
>          |                                             ^
>    include/linux/compiler_types.h:378:25: note: in definition of macro '__compiletime_assert'
>      378 |                         prefix ## suffix();                             \
>          |                         ^~~~~~
>    include/linux/compiler_types.h:397:9: note: in expansion of macro '_compiletime_assert'
>      397 |         _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/bug.h:24:25: note: in expansion of macro 'BUILD_BUG_ON'
>       24 |                         BUILD_BUG_ON(cond);             \
>          |                         ^~~~~~~~~~~~
>    mm/huge_memory.c:470:9: note: in expansion of macro 'MAYBE_BUILD_BUG_ON'
>      470 |         MAYBE_BUILD_BUG_ON(HPAGE_PMD_ORDER > MAX_ORDER);
>          |         ^~~~~~~~~~~~~~~~~~
> 
> 
> vim +/__compiletime_assert_357 +397 include/linux/compiler_types.h
> 
> eb5c2d4b45e3d2 Will Deacon 2020-07-21  383  
> eb5c2d4b45e3d2 Will Deacon 2020-07-21  384  #define _compiletime_assert(condition, msg, prefix, suffix) \
> eb5c2d4b45e3d2 Will Deacon 2020-07-21  385  	__compiletime_assert(condition, msg, prefix, suffix)
> eb5c2d4b45e3d2 Will Deacon 2020-07-21  386  
> eb5c2d4b45e3d2 Will Deacon 2020-07-21  387  /**
> eb5c2d4b45e3d2 Will Deacon 2020-07-21  388   * compiletime_assert - break build and emit msg if condition is false
> eb5c2d4b45e3d2 Will Deacon 2020-07-21  389   * @condition: a compile-time constant condition to check
> eb5c2d4b45e3d2 Will Deacon 2020-07-21  390   * @msg:       a message to emit if condition is false
> eb5c2d4b45e3d2 Will Deacon 2020-07-21  391   *
> eb5c2d4b45e3d2 Will Deacon 2020-07-21  392   * In tradition of POSIX assert, this macro will break the build if the
> eb5c2d4b45e3d2 Will Deacon 2020-07-21  393   * supplied condition is *false*, emitting the supplied error message if the
> eb5c2d4b45e3d2 Will Deacon 2020-07-21  394   * compiler has support to do so.
> eb5c2d4b45e3d2 Will Deacon 2020-07-21  395   */
> eb5c2d4b45e3d2 Will Deacon 2020-07-21  396  #define compiletime_assert(condition, msg) \
> eb5c2d4b45e3d2 Will Deacon 2020-07-21 @397  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
> eb5c2d4b45e3d2 Will Deacon 2020-07-21  398  
> 
> :::::: The code at line 397 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
>