[linux-stable-rc:linux-4.14.y 8373/9999] kernel/locking/qspinlock.o: warning: objtool: __pv_queued_spin_lock_slowpath() falls through to next function asan.module_ctor()

[linux-stable-rc:linux-4.14.y 8373/9999] kernel/locking/qspinlock.o: warning: objtool: __pv_queued_spin_lock_slowpath() falls through to next function asan.module_ctor()

[kernel test robot]

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TO: Wanpeng Li <wanpengli@tencent.com>
CC: "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>
CC: Paolo Bonzini <pbonzini@redhat.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.14.y
head:   e1f7d50ae3a3ec342e87a9b1ce6787bfb8b3c08b
commit: 859cc323167050bcda865415c1716ec9518947f0 [8373/9999] Revert "locking/pvqspinlock: Don't wait if vCPU is preempted"
config: x86_64-randconfig-a006-20210620 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project d1baf2895467735ab14f4b3415fce204c0cc8e7f)
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/stable/linux-stable-rc.git/commit/?id=859cc323167050bcda865415c1716ec9518947f0
        git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
        git fetch --no-tags linux-stable-rc linux-4.14.y
        git checkout 859cc323167050bcda865415c1716ec9518947f0
        # 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 >>):

   In file included from kernel/locking/qspinlock.c:532:
   kernel/locking/qspinlock_paravirt.h:470:1: warning: no previous prototype for function '__pv_queued_spin_unlock_slowpath' [-Wmissing-prototypes]
   __pv_queued_spin_unlock_slowpath(struct qspinlock *lock, u8 locked)
   ^
   kernel/locking/qspinlock_paravirt.h:469:11: note: declare 'static' if the function is not intended to be used outside of this translation unit
   __visible void
             ^
             static 
   1 warning generated.
   kernel/locking/qspinlock.o: warning: objtool: native_queued_spin_lock_slowpath() falls through to next function __pv_queued_spin_unlock_slowpath()
>> kernel/locking/qspinlock.o: warning: objtool: __pv_queued_spin_lock_slowpath() falls through to next function asan.module_ctor()

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

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