[rt-devel:linux-5.18.y-rt-rebase 54/94] kernel/softirq.c:640:1: sparse: sparse: symbol '__pcpu_scope_timersd' was not declared. Should it be static?

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-5.18.y-rt-rebase
head:   df0c990058a5bce1eed5d3512c6efe4eacc62bed
commit: 191f7764ab356da2cb7fc1a216b56b6ec0405f04 [54/94] rcutorture: Also force sched priority to timersd on boosting test.
config: i386-randconfig-s002-20220516 (https://download.01.org/0day-ci/archive/20220517/202205171232.7c0gv15y-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git/commit/?id=191f7764ab356da2cb7fc1a216b56b6ec0405f04
        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-5.18.y-rt-rebase
        git checkout 191f7764ab356da2cb7fc1a216b56b6ec0405f04
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash

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


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

Please review and possibly fold the followup patch.

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