[peterz-queue:sched/wip-freezer 4/5] kernel/freezer.o: warning: objtool: __refrigerator()+0x123: unreachable instruction

[peterz-queue:sched/wip-freezer 4/5] kernel/freezer.o: warning: objtool: __refrigerator()+0x123: unreachable instruction

[kernel test robot]

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TO: Peter Zijlstra <peterz@infradead.org>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/wip-freezer
head:   0fe07296a26fa53a5c0b07debf0f13462ddaf82c
commit: 9d2e08b483f3ac248776c2787dff5dbee5498d3a [4/5] freezer,sched: Rewrite core freezer logic
config: x86_64-randconfig-b001-20210618 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 64720f57bea6a6bf033feef4a5751ab9c0c3b401)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=9d2e08b483f3ac248776c2787dff5dbee5498d3a
        git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
        git fetch --no-tags peterz-queue sched/wip-freezer
        git checkout 9d2e08b483f3ac248776c2787dff5dbee5498d3a
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> kernel/freezer.o: warning: objtool: __refrigerator()+0x123: unreachable instruction

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

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