fs/btrfs/zoned.o: warning: objtool: btrfs_reset_unused_block_groups+0x354: unreachable instruction

fs/btrfs/zoned.o: warning: objtool: btrfs_reset_unused_block_groups+0x354: unreachable instruction

[kernel test robot]

:::::: 
:::::: Manual check reason: "loongarch: unreachable instruction"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Naohiro Aota <naohiro.aota@wdc.com>
CC: David Sterba <dsterba@suse.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   627277ba7c2398dc4f95cc9be8222bb2d9477800
commit: 453a73c3069a268c3c4dd00695fc2a95f7880438 btrfs: zoned: reclaim unused zone by zone resetting
date:   4 months ago
:::::: branch date: 28 hours ago
:::::: commit date: 4 months ago
config: loongarch-randconfig-001-20250512 (https://download.01.org/0day-ci/archive/20250513/202505131230.w39juDKb-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 13.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250513/202505131230.w39juDKb-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@intel.com>
| Closes: https://lore.kernel.org/r/202505131230.w39juDKb-lkp@intel.com/

All warnings (new ones prefixed by >>):

   fs/btrfs/zoned.o: warning: objtool: sb_zone_number+0x58: unreachable instruction
   fs/btrfs/zoned.o: warning: objtool: btrfs_get_dev_zone_info+0x454: unreachable instruction
   fs/btrfs/zoned.o: warning: objtool: btrfs_find_allocatable_zones+0x17c: unreachable instruction
   fs/btrfs/zoned.o: warning: objtool: btrfs_ensure_empty_zones+0xe0: unreachable instruction
   fs/btrfs/zoned.o: warning: objtool: btrfs_finish_ordered_zoned+0x180: unreachable instruction
>> fs/btrfs/zoned.o: warning: objtool: btrfs_reset_unused_block_groups+0x354: unreachable instruction

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