[kdave-btrfs-devel:misc-next 39/154] fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_read()+0x74b: unreachable instruction

[kdave-btrfs-devel:misc-next 39/154] fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_read()+0x74b: unreachable instruction

[kernel test robot]

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CC: linux-kernel@vger.kernel.org
TO: Qu Wenruo <wqu@suse.com>
CC: David Sterba <dsterba@suse.com>
CC: Anand Jain <anand.jain@oracle.com>

tree:   https://github.com/kdave/btrfs-devel.git misc-next
head:   18f0c5bda0dd67dedb8df3d7faf856dffa8f78d3
commit: 557023ea9f06baf2659b232b08b8e8711f7001a6 [39/154] btrfs: grab correct extent map for subpage compressed extent read
config: x86_64-randconfig-a001-20210829 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 4e1a164d7bd53653f79decc121afe784d2fde0a7)
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
        # https://github.com/kdave/btrfs-devel/commit/557023ea9f06baf2659b232b08b8e8711f7001a6
        git remote add kdave-btrfs-devel https://github.com/kdave/btrfs-devel.git
        git fetch --no-tags kdave-btrfs-devel misc-next
        git checkout 557023ea9f06baf2659b232b08b8e8711f7001a6
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/ drivers/ fs/ kernel/ net/

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 >>):

>> fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_read()+0x74b: unreachable instruction

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

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[kdave-btrfs-devel:misc-next 39/154] fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_read()+0x74b: unreachable instruction

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 1642 bytes --]

CC: linux-kernel(a)vger.kernel.org
TO: Qu Wenruo <wqu@suse.com>
CC: David Sterba <dsterba@suse.com>
CC: Anand Jain <anand.jain@oracle.com>

tree:   https://github.com/kdave/btrfs-devel.git misc-next
head:   18f0c5bda0dd67dedb8df3d7faf856dffa8f78d3
commit: 557023ea9f06baf2659b232b08b8e8711f7001a6 [39/154] btrfs: grab correct extent map for subpage compressed extent read
config: x86_64-randconfig-a001-20210829 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 4e1a164d7bd53653f79decc121afe784d2fde0a7)
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
        # https://github.com/kdave/btrfs-devel/commit/557023ea9f06baf2659b232b08b8e8711f7001a6
        git remote add kdave-btrfs-devel https://github.com/kdave/btrfs-devel.git
        git fetch --no-tags kdave-btrfs-devel misc-next
        git checkout 557023ea9f06baf2659b232b08b8e8711f7001a6
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/ drivers/ fs/ kernel/ net/

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 >>):

>> fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_read()+0x74b: unreachable instruction

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

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