[kbuild-all] [chao:feature/dax 1/9] fs/f2fs/data.o: warning: objtool: f2fs_iomap_begin()+0x746: unreachable instruction

CC: Chao Yu <yuchao0(a)huawei.com&gt;, Chao Yu <chao(a)kernel.org&gt; CC: linux-kernel(a)vger.kernel.org TO: Chao Yu <yuchao0(a)huawei.com&gt;, Chao Yu <chao(a)kernel.org&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git feature/dax head: 31d29e195f0cce430e922f1967a40a0c5cb2e2ba commit: 1b0e2a6917a0329953b7669a3a49fb6915d47a44 [1/9] f2fs: support iomap operation config: x86_64-randconfig-a013-20211115 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project fbe72e41b99dc7994daac300d208a955be3e4a0a) 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://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?id... git remote add chao https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git git fetch --no-tags chao feature/dax git checkout 1b0e2a6917a0329953b7669a3a49fb6915d47a44 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash fs/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org