[linux-next:master 10707/11331] include/linux/compiler_types.h:328:45: error: call to '__compiletime_assert_294' declared with attribute error: BUILD_BUG_ON failed: (PTRS_PER_PTE * sizeof(pte_t)) > PAGE_SIZE

kernel test robot lkp at intel.com
Mon Aug 30 20:41:09 PDT 2021


tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   93717cde744f9d26aa1b4561f7d9ba2a230459eb
commit: d9820ff76f95fa26d33e412254a89cd65b23142d [10707/11331] ARC: mm: switch pgtable_t back to struct page *
config: arc-randconfig-m031-20210830 (attached as .config)
compiler: arceb-elf-gcc (GCC) 11.2.0
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/next/linux-next.git/commit/?id=d9820ff76f95fa26d33e412254a89cd65b23142d
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout d9820ff76f95fa26d33e412254a89cd65b23142d
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All errors (new ones prefixed by >>):

   arch/arc/mm/init.c:35:13: warning: no previous prototype for 'arc_get_mem_sz' [-Wmissing-prototypes]
      35 | long __init arc_get_mem_sz(void)
         |             ^~~~~~~~~~~~~~
   arch/arc/mm/init.c:88:13: warning: no previous prototype for 'setup_arch_memory' [-Wmissing-prototypes]
      88 | void __init setup_arch_memory(void)
         |             ^~~~~~~~~~~~~~~~~
   In file included from <command-line>:
   arch/arc/mm/init.c: In function 'mem_init':
>> include/linux/compiler_types.h:328:45: error: call to '__compiletime_assert_294' declared with attribute error: BUILD_BUG_ON failed: (PTRS_PER_PTE * sizeof(pte_t)) > PAGE_SIZE
     328 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:309:25: note: in definition of macro '__compiletime_assert'
     309 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:328:9: note: in expansion of macro '_compiletime_assert'
     328 |         _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)
         |         ^~~~~~~~~~~~~~~~
   arch/arc/mm/init.c:194:9: note: in expansion of macro 'BUILD_BUG_ON'
     194 |         BUILD_BUG_ON((PTRS_PER_PTE * sizeof(pte_t)) > PAGE_SIZE);
         |         ^~~~~~~~~~~~


vim +/__compiletime_assert_294 +328 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  314  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  315  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  316  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  317  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  318  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  319   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  320   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  321   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  322   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  323   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  324   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  325   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  326   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  327  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @328  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  329  

:::::: The code at line 328 was first introduced by commit
:::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h

:::::: TO: Will Deacon <will at kernel.org>
:::::: CC: Will Deacon <will at kernel.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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