[kbuild-all] [linux-next:master 1419/7963] drivers/pci/pci.o: warning: objtool: pci_remap_iospace()+0x6d: unreachable instruction

CC: Linux Memory Management List <linux-mm(a)kvack.org&gt; TO: "Krzysztof Wilczyński" <kw(a)linux.com&gt; CC: Bjorn Helgaas <helgaas(a)kernel.org&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 4b358aabb93a2c654cd1dcab1a25a589f6e2b153 commit: a67462fc9de8b958d6a2c2c34d0195733a8c61a6 [1419/7963] PCI: Refactor pci_ioremap_bar() and pci_ioremap_wc_bar() config: x86_64-randconfig-c001-20210812 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 767496d19cb9a1fbba57ff08095faa161998ee36) 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/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout a67462fc9de8b958d6a2c2c34d0195733a8c61a6 # 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/ 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