[linux-rt-devel:linux-5.14.y-rt-rebase 202/263] mm/zsmalloc.o: warning: objtool: local_lock_acquire()+0xce: unreachable instruction

CC: linux-kernel@vger.kernel.org
TO: Mike Galbraith <redacted>
CC: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
CC: Thomas Gleixner <redacted>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-5.14.y-rt-rebase
head:   a1ea175d809fdb71148c7f6ff7f3f59b9b47b257
commit: bdf17c0a2942f57bed23af1d48dfbc597a707a3e [202/263] mm/zsmalloc: copy with get_cpu_var() and locking
config: x86_64-randconfig-r026-20210906 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 9c476172b93367d2cb88d7d3f4b1b5b456fa6020)
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/rt/linux-rt-devel.git/commit/?id=bdf17c0a2942f57bed23af1d48dfbc597a707a3e
        git remote add linux-rt-devel https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git
        git fetch --no-tags linux-rt-devel linux-5.14.y-rt-rebase
        git checkout bdf17c0a2942f57bed23af1d48dfbc597a707a3e
        # 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

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <redacted>

All warnings (new ones prefixed by >>):

quoted

mm/zsmalloc.o: warning: objtool: local_lock_acquire()+0xce: unreachable instruction

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org