linux-kernel - [rt-devel:linux-5.19.y-rt-rebase 16/51] kernel/softirq.c:641:1: sparse: sparse: symbol '__pcpu_scope_pending_timer_softirq' was not declared. Should it be static?

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Message-ID: <202206121359.nWdmw9Ww-lkp@intel.com>
Date:   Sun, 12 Jun 2022 13:58:51 +0800
From:   kernel test robot <lkp@...el.com>
To:     Frederic Weisbecker <frederic@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Subject: [rt-devel:linux-5.19.y-rt-rebase 16/51] kernel/softirq.c:641:1:
 sparse: sparse: symbol '__pcpu_scope_pending_timer_softirq' was not
 declared. Should it be static?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-5.19.y-rt-rebase
head:   2a0438f3107478348ce5a998e511c82f0f32316e
commit: 6695684acc6e0ab2b0a84ae59933797a0e148afc [16/51] tick: Fix timer storm since introduction of timersd
config: sparc64-randconfig-s032-20220612 (https://download.01.org/0day-ci/archive/20220612/202206121359.nWdmw9Ww-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 11.3.0
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: v0.6.4-30-g92122700-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git/commit/?id=6695684acc6e0ab2b0a84ae59933797a0e148afc
        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 6695684acc6e0ab2b0a84ae59933797a0e148afc
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=sparc64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.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?
>> kernel/softirq.c:641:1: sparse: sparse: symbol '__pcpu_scope_pending_timer_softirq' was not declared. Should it be static?

vim +/__pcpu_scope_pending_timer_softirq +641 kernel/softirq.c

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

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp