[rt-devel:linux-5.19.y-rt-rebase 16/55] kernel/softirq.c:640:1: sparse: sparse: symbol '__pcpu_scope_timersd' was not declared. Should it be static?

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-5.19.y-rt-rebase
head:   4730816e7a6aab17945765fc82d47cdc9a05b8fa
commit: 492b6c0790cc99809397f2daca10299efb6ed354 [16/55] rcutorture: Also force sched priority to timersd on boosting test.
config: microblaze-randconfig-s041-20220731 (https://download.01.org/0day-ci/archive/20220801/202208011628.5yMVdsg8-lkp@intel.com/config)
compiler: microblaze-linux-gcc (GCC) 12.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git/commit/?id=492b6c0790cc99809397f2daca10299efb6ed354
        git remote add rt-devel https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git
        git fetch --no-tags rt-devel linux-5.19.y-rt-rebase
        git checkout 492b6c0790cc99809397f2daca10299efb6ed354
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=microblaze SHELL=/bin/bash

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

sparse warnings: (new ones prefixed by >>)
>> kernel/softirq.c:640:1: sparse: sparse: symbol '__pcpu_scope_timersd' was not declared. Should it be static?

vim +/__pcpu_scope_timersd +640 kernel/softirq.c

   639	
 > 640	DEFINE_PER_CPU(struct task_struct *, timersd);
   641	static DEFINE_PER_CPU(unsigned long, pending_timer_softirq);
   642	

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