[kbuild-all] [hch-block:blk.h-cleanup 8/19] block/blk-mq.o: warning: objtool: blk_execute_rq()+0x170: unreachable instruction

TO: Christoph Hellwig <hch(a)lst.de&gt; tree: git://git.infradead.org/users/hch/block.git blk.h-cleanup head: d781b76e78e578e3e976dbb94039e337fea231dc commit: 4830a6ce8b8984bc05f083134e04f89b11bfb6c8 [8/19] block: move blk_account_io_{start,done} to blk-mq.c 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 git remote add hch-block git://git.infradead.org/users/hch/block.git git fetch --no-tags hch-block blk.h-cleanup git checkout 4830a6ce8b8984bc05f083134e04f89b11bfb6c8 # 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 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