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* [tip:master 7/38] include/linux/compiler.h:350:38: error: call to '__compiletime_assert_190' declared with attribute error: BUILD_BUG_ON failed: (CPU_ENTRY_AREA_PAGES+1)*PAGE_SIZE != CPU_ENTRY_AREA_MAP_SIZE
@ 2019-11-24 19:06 kbuild test robot
  0 siblings, 0 replies; only message in thread
From: kbuild test robot @ 2019-11-24 19:06 UTC (permalink / raw)
  To: Ingo Molnar; +Cc: kbuild-all, linux-kernel, x86

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git master
head:   ff827deec83c79cbd81605d8010250c8fb9498de
commit: 134adb9559f2625c01eed2bf0cb98b15582f3b12 [7/38] Merge branch 'x86/urgent'
config: i386-tinyconfig (attached as .config)
compiler: gcc-7 (Debian 7.4.0-14) 7.4.0
reproduce:
        git checkout 134adb9559f2625c01eed2bf0cb98b15582f3b12
        # save the attached .config to linux build tree
        make ARCH=i386 

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

All errors (new ones prefixed by >>):

   In file included from include/linux/export.h:42:0,
                    from include/linux/linkage.h:7,
                    from include/linux/preempt.h:10,
                    from include/linux/spinlock.h:51,
                    from arch/x86/mm/cpu_entry_area.c:3:
   In function 'setup_cpu_entry_area_ptes',
       inlined from 'setup_cpu_entry_areas' at arch/x86/mm/cpu_entry_area.c:207:2:
>> include/linux/compiler.h:350:38: error: call to '__compiletime_assert_190' declared with attribute error: BUILD_BUG_ON failed: (CPU_ENTRY_AREA_PAGES+1)*PAGE_SIZE != CPU_ENTRY_AREA_MAP_SIZE
     _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
                                         ^
   include/linux/compiler.h:331:4: note: in definition of macro '__compiletime_assert'
       prefix ## suffix();    \
       ^~~~~~
   include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert'
     _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
     ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
    #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                        ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
     BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
     ^~~~~~~~~~~~~~~~
   arch/x86/mm/cpu_entry_area.c:190:2: note: in expansion of macro 'BUILD_BUG_ON'
     BUILD_BUG_ON((CPU_ENTRY_AREA_PAGES+1)*PAGE_SIZE != CPU_ENTRY_AREA_MAP_SIZE);
     ^~~~~~~~~~~~
--
   In file included from include/linux/export.h:42:0,
                    from include/linux/linkage.h:7,
                    from include/linux/preempt.h:10,
                    from include/linux/spinlock.h:51,
                    from arch/x86//mm/cpu_entry_area.c:3:
   In function 'setup_cpu_entry_area_ptes',
       inlined from 'setup_cpu_entry_areas' at arch/x86//mm/cpu_entry_area.c:207:2:
>> include/linux/compiler.h:350:38: error: call to '__compiletime_assert_190' declared with attribute error: BUILD_BUG_ON failed: (CPU_ENTRY_AREA_PAGES+1)*PAGE_SIZE != CPU_ENTRY_AREA_MAP_SIZE
     _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
                                         ^
   include/linux/compiler.h:331:4: note: in definition of macro '__compiletime_assert'
       prefix ## suffix();    \
       ^~~~~~
   include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert'
     _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
     ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
    #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                        ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
     BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
     ^~~~~~~~~~~~~~~~
   arch/x86//mm/cpu_entry_area.c:190:2: note: in expansion of macro 'BUILD_BUG_ON'
     BUILD_BUG_ON((CPU_ENTRY_AREA_PAGES+1)*PAGE_SIZE != CPU_ENTRY_AREA_MAP_SIZE);
     ^~~~~~~~~~~~

vim +/__compiletime_assert_190 +350 include/linux/compiler.h

9a8ab1c39970a4 Daniel Santos 2013-02-21  336  
9a8ab1c39970a4 Daniel Santos 2013-02-21  337  #define _compiletime_assert(condition, msg, prefix, suffix) \
9a8ab1c39970a4 Daniel Santos 2013-02-21  338  	__compiletime_assert(condition, msg, prefix, suffix)
9a8ab1c39970a4 Daniel Santos 2013-02-21  339  
9a8ab1c39970a4 Daniel Santos 2013-02-21  340  /**
9a8ab1c39970a4 Daniel Santos 2013-02-21  341   * compiletime_assert - break build and emit msg if condition is false
9a8ab1c39970a4 Daniel Santos 2013-02-21  342   * @condition: a compile-time constant condition to check
9a8ab1c39970a4 Daniel Santos 2013-02-21  343   * @msg:       a message to emit if condition is false
9a8ab1c39970a4 Daniel Santos 2013-02-21  344   *
9a8ab1c39970a4 Daniel Santos 2013-02-21  345   * In tradition of POSIX assert, this macro will break the build if the
9a8ab1c39970a4 Daniel Santos 2013-02-21  346   * supplied condition is *false*, emitting the supplied error message if the
9a8ab1c39970a4 Daniel Santos 2013-02-21  347   * compiler has support to do so.
9a8ab1c39970a4 Daniel Santos 2013-02-21  348   */
9a8ab1c39970a4 Daniel Santos 2013-02-21  349  #define compiletime_assert(condition, msg) \
9a8ab1c39970a4 Daniel Santos 2013-02-21 @350  	_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
9a8ab1c39970a4 Daniel Santos 2013-02-21  351  

:::::: The code at line 350 was first introduced by commit
:::::: 9a8ab1c39970a4938a72d94e6fd13be88a797590 bug.h, compiler.h: introduce compiletime_assert & BUILD_BUG_ON_MSG

:::::: TO: Daniel Santos <daniel.santos@pobox.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation

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