[kbuild-all] kernel/irq/irqdomain.o: warning: objtool: __irq_domain_add()+0x271: unreachable instruction

CC: linux-kernel(a)vger.kernel.org TO: Marc Zyngier <maz(a)kernel.org&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: e22ce8eb631bdc47a4a4ea7ecf4e4ba499db4f93 commit: 4f86a06e2d6ece5316e4c42fbf946ee22acb30f3 irqdomain: Make normal and nomap irqdomains exclusive date: 2 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 4f86a06e2d6ece5316e4c42fbf946ee22acb30f3 # 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/ kernel/ 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