[kdave-btrfs-devel:ext/aota/zoned-7 133/162] arch/arm/include/asm/bitops.h:209: warning: "find_first_zero_bit" redefined

[kdave-btrfs-devel:ext/aota/zoned-7 133/162] arch/arm/include/asm/bitops.h:209: warning: "find_first_zero_bit" redefined

[kernel test robot]

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tree:   https://github.com/kdave/btrfs-devel.git ext/aota/zoned-7
head:   17046312f8c0a16a96b4b3a145f4b30be84e6ede
commit: bc960447dd5838f71d4ef88b107e8329a00c4f1d [133/162] btrfs: implement zoned chunk allocator
config: arm-allyesconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
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
        git checkout bc960447dd5838f71d4ef88b107e8329a00c4f1d
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 

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

All warnings (new ones prefixed by >>):

   In file included from include/linux/bitops.h:29,
                    from include/linux/kernel.h:12,
                    from include/linux/bvec.h:10,
                    from include/linux/blk_types.h:10,
                    from fs/btrfs/zoned.c:10:
>> arch/arm/include/asm/bitops.h:209: warning: "find_first_zero_bit" redefined
     209 | #define find_first_zero_bit(p,sz) _find_first_zero_bit_be(p,sz)
         | 
   In file included from fs/btrfs/zoned.c:9:
   include/asm-generic/bitops/find.h:78: note: this is the location of the previous definition
      78 | #define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0)
         | 
   In file included from include/linux/bitops.h:29,
                    from include/linux/kernel.h:12,
                    from include/linux/bvec.h:10,
                    from include/linux/blk_types.h:10,
                    from fs/btrfs/zoned.c:10:
>> arch/arm/include/asm/bitops.h:211: warning: "find_first_bit" redefined
     211 | #define find_first_bit(p,sz)  _find_first_bit_be(p,sz)
         | 
   In file included from fs/btrfs/zoned.c:9:
   include/asm-generic/bitops/find.h:75: note: this is the location of the previous definition
      75 | #define find_first_bit(addr, size) find_next_bit((addr), (size), 0)
         | 

# https://github.com/kdave/btrfs-devel/commit/bc960447dd5838f71d4ef88b107e8329a00c4f1d
git remote add kdave-btrfs-devel https://github.com/kdave/btrfs-devel.git
git fetch --no-tags kdave-btrfs-devel ext/aota/zoned-7
git checkout bc960447dd5838f71d4ef88b107e8329a00c4f1d
vim +/find_first_zero_bit +209 arch/arm/include/asm/bitops.h

^1da177e4c3f41 include/asm-arm/bitops.h Linus Torvalds 2005-04-16  204  
^1da177e4c3f41 include/asm-arm/bitops.h Linus Torvalds 2005-04-16  205  #else
^1da177e4c3f41 include/asm-arm/bitops.h Linus Torvalds 2005-04-16  206  /*
^1da177e4c3f41 include/asm-arm/bitops.h Linus Torvalds 2005-04-16  207   * These are the big endian, atomic definitions.
^1da177e4c3f41 include/asm-arm/bitops.h Linus Torvalds 2005-04-16  208   */
^1da177e4c3f41 include/asm-arm/bitops.h Linus Torvalds 2005-04-16 @209  #define find_first_zero_bit(p,sz)	_find_first_zero_bit_be(p,sz)
^1da177e4c3f41 include/asm-arm/bitops.h Linus Torvalds 2005-04-16  210  #define find_next_zero_bit(p,sz,off)	_find_next_zero_bit_be(p,sz,off)
^1da177e4c3f41 include/asm-arm/bitops.h Linus Torvalds 2005-04-16 @211  #define find_first_bit(p,sz)		_find_first_bit_be(p,sz)
^1da177e4c3f41 include/asm-arm/bitops.h Linus Torvalds 2005-04-16  212  #define find_next_bit(p,sz,off)		_find_next_bit_be(p,sz,off)
^1da177e4c3f41 include/asm-arm/bitops.h Linus Torvalds 2005-04-16  213  

:::::: The code at line 209 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>

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

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