[kbuild-all] drivers/firmware/arm_scmi/notify.o: warning: objtool: scmi_register_protocol_events()+0x3d6: unreachable instruction

CC: linux-kernel(a)vger.kernel.org TO: Cristian Marussi <cristian.marussi(a)arm.com&gt; CC: Sudeep Holla <sudeep.holla(a)arm.com&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 9ff50bf2f2ff5fab01cac26d8eed21a89308e6ef commit: 533c7095b1ff9271a32e5a4b45b2d35f1432ea04 firmware: arm_scmi: Refactor events registration date: 5 months ago config: x86_64-buildonly-randconfig-r003-20210819 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d2b574a4dea5b718e4386bf2e26af0126e5978ce) 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/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 533c7095b1ff9271a32e5a4b45b2d35f1432ea04 # 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 drivers/ fs// kernel/ mm// net/ 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