Re: [PATCH 13/13] mm: Remove devmap related functions and page table bits

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Hi Alistair,

kernel test robot noticed the following build errors:

[auto build test ERROR on f2661062f16b2de5d7b6a5c42a9a5c96326b8454]

url:    https://github.com/intel-lab-lkp/linux/commits/Alistair-Popple/mm-gup-c-Remove-redundant-check-for-PCI-P2PDMA-page/20240627-191709
base:   f2661062f16b2de5d7b6a5c42a9a5c96326b8454
patch link:    https://lore.kernel.org/r/47c26640cd85f3db2e0a2796047199bb984d1b3f.1719386613.git-series.apopple%40nvidia.com
patch subject: [PATCH 13/13] mm: Remove devmap related functions and page table bits
config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20240628/202406280920.VNwSTzZT-lkp@xxxxxxxxx/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 326ba38a991250a8587a399a260b0f7af2c9166a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240628/202406280920.VNwSTzZT-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406280920.VNwSTzZT-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   In file included from arch/powerpc/kernel/asm-offsets.c:12:
   In file included from include/linux/compat.h:14:
   In file included from include/linux/sem.h:5:
   In file included from include/uapi/linux/sem.h:5:
   In file included from include/linux/ipc.h:7:
   In file included from include/linux/rhashtable-types.h:12:
   In file included from include/linux/alloc_tag.h:11:
   In file included from include/linux/preempt.h:79:
   In file included from ./arch/powerpc/include/generated/asm/preempt.h:1:
   In file included from include/asm-generic/preempt.h:5:
   In file included from include/linux/thread_info.h:23:
   In file included from arch/powerpc/include/asm/current.h:13:
   In file included from arch/powerpc/include/asm/paca.h:18:
   In file included from arch/powerpc/include/asm/mmu.h:385:
   In file included from arch/powerpc/include/asm/book3s/64/mmu.h:32:
   In file included from arch/powerpc/include/asm/book3s/64/mmu-hash.h:20:
>> arch/powerpc/include/asm/book3s/64/pgtable.h:1371:1: error: extraneous closing brace ('}')
    1371 | }
         | ^
   In file included from arch/powerpc/kernel/asm-offsets.c:12:
   In file included from include/linux/compat.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:98:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
      98 |                 return (set->sig[3] | set->sig[2] |
         |                         ^        ~
   arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
      18 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from arch/powerpc/kernel/asm-offsets.c:12:
   In file included from include/linux/compat.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:98:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
      98 |                 return (set->sig[3] | set->sig[2] |
         |                                       ^        ~
   arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
      18 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from arch/powerpc/kernel/asm-offsets.c:12:
   In file included from include/linux/compat.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:99:4: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
      99 |                         set->sig[1] | set->sig[0]) == 0;
         |                         ^        ~
   arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
      18 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from arch/powerpc/kernel/asm-offsets.c:12:
   In file included from include/linux/compat.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:101:11: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds]
     101 |                 return (set->sig[1] | set->sig[0]) == 0;
         |                         ^        ~
   arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
      18 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from arch/powerpc/kernel/asm-offsets.c:12:
   In file included from include/linux/compat.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:114:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
     114 |                 return  (set1->sig[3] == set2->sig[3]) &&
         |                          ^         ~
   arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
      18 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from arch/powerpc/kernel/asm-offsets.c:12:
   In file included from include/linux/compat.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:114:27: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
     114 |                 return  (set1->sig[3] == set2->sig[3]) &&
         |                                          ^         ~
   arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
      18 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from arch/powerpc/kernel/asm-offsets.c:12:
   In file included from include/linux/compat.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:115:5: warning: array index 2 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
     115 |                         (set1->sig[2] == set2->sig[2]) &&
         |                          ^         ~
   arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
      18 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from arch/powerpc/kernel/asm-offsets.c:12:
   In file included from include/linux/compat.h:17:
   In file included from include/linux/fs.h:33:
   In file included from include/linux/percpu-rwsem.h:7:
   In file included from include/linux/rcuwait.h:6:
   In file included from include/linux/sched/signal.h:6:
   include/linux/signal.h:115:21: warning: array index 2 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
     115 |                         (set1->sig[2] == set2->sig[2]) &&
         |                                          ^         ~
   arch/powerpc/include/uapi/asm/signal.h:18:2: note: array 'sig' declared here
      18 |         unsigned long sig[_NSIG_WORDS];
         |         ^
   In file included from arch/powerpc/kernel/asm-offsets.c:12:
   In file included from include/linux/compat.h:17:


vim +1371 arch/powerpc/include/asm/book3s/64/pgtable.h

953c66c2b22a30 Aneesh Kumar K.V  2016-12-12  1370  
ebd31197931d75 Oliver O'Halloran 2017-06-28 @1371  }
6a1ea36260f69f Aneesh Kumar K.V  2016-04-29  1372  #endif /* CONFIG_TRANSPARENT_HUGEPAGE */
ebd31197931d75 Oliver O'Halloran 2017-06-28  1373  

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




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