linux-kernel - arch/powerpc/include/asm/book3s/32/tlbflush.h:83:2: error: call to __compiletime_assert_188 declared with 'error' attribute: BUILD

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Date:   Wed, 23 Aug 2023 11:08:21 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Christopher M. Riedl" <cmr@...escreens.de>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Gray <bgray@...ux.ibm.com>
Subject: arch/powerpc/include/asm/book3s/32/tlbflush.h:83:2: error: call to
 __compiletime_assert_188 declared with 'error' attribute: 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:   89bf6209cad66214d3774dac86b6bbf2aec6a30d
commit: c28c15b6d28a776538482101522cbcd9f906b15c powerpc/code-patching: Use temporary mm for Radix MMU
date:   9 months ago
config: powerpc-randconfig-r001-20230823 (https://download.01.org/0day-ci/archive/20230823/202308231138.tzBn5so0-lkp@intel.com/config)
compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
reproduce: (https://download.01.org/0day-ci/archive/20230823/202308231138.tzBn5so0-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308231138.tzBn5so0-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from arch/powerpc/lib/code-patching.c:6:
   In file included from include/linux/kprobes.h:28:
   In file included from include/linux/ftrace.h:10:
   In file included from include/linux/trace_recursion.h:5:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from arch/powerpc/include/asm/hardirq.h:6:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/powerpc/include/asm/io.h:29:
   In file included from include/linux/mm.h:29:
   In file included from include/linux/pgtable.h:6:
   In file included from arch/powerpc/include/asm/pgtable.h:11:
   In file included from arch/powerpc/include/asm/tlbflush.h:6:
   In file included from arch/powerpc/include/asm/book3s/tlbflush.h:8:
>> arch/powerpc/include/asm/book3s/32/tlbflush.h:83:2: error: call to __compiletime_assert_188 declared with 'error' attribute: BUILD_BUG failed
           BUILD_BUG();
           ^
   include/linux/build_bug.h:59:21: note: expanded from macro 'BUILD_BUG'
   #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
                       ^
   include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
   #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                       ^
   include/linux/compiler_types.h:357:2: note: expanded from macro 'compiletime_assert'
           _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
           ^
   include/linux/compiler_types.h:345:2: note: expanded from macro '_compiletime_assert'
           __compiletime_assert(condition, msg, prefix, suffix)
           ^
   include/linux/compiler_types.h:338:4: note: expanded from macro '__compiletime_assert'
                           prefix ## suffix();                             \
                           ^
   <scratch space>:107:1: note: expanded from here
   __compiletime_assert_188
   ^
   1 error generated.


vim +/error +83 arch/powerpc/include/asm/book3s/32/tlbflush.h

274d842fa1efd9 Benjamin Gray 2022-11-09  79  
274d842fa1efd9 Benjamin Gray 2022-11-09  80  static inline void local_flush_tlb_page_psize(struct mm_struct *mm,
274d842fa1efd9 Benjamin Gray 2022-11-09  81  					      unsigned long vmaddr, int psize)
274d842fa1efd9 Benjamin Gray 2022-11-09  82  {
274d842fa1efd9 Benjamin Gray 2022-11-09 @83  	BUILD_BUG();
274d842fa1efd9 Benjamin Gray 2022-11-09  84  }
274d842fa1efd9 Benjamin Gray 2022-11-09  85  

:::::: The code at line 83 was first introduced by commit
:::::: 274d842fa1efd9449e62222c8896e0be11621f1f powerpc/tlb: Add local flush for page given mm_struct and psize

:::::: TO: Benjamin Gray <bgray@...ux.ibm.com>
:::::: CC: Michael Ellerman <mpe@...erman.id.au>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki