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* arch/powerpc/kernel/tau_6xx.c:199:1: sparse: sparse: symbol 'tau_work' was not declared. Should it be static?
@ 2021-08-18 18:38 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-08-18 18:38 UTC (permalink / raw)
  To: Finn Thain; +Cc: kbuild-all, linux-kernel, Michael Ellerman

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   614cb2751d3150850d459bee596c397f344a7936
commit: b1c6a0a10bfaf36ec82fde6f621da72407fa60a1 powerpc/tau: Convert from timer to workqueue
date:   11 months ago
config: powerpc-randconfig-s032-20210818 (attached as .config)
compiler: powerpc-linux-gcc (GCC) 11.2.0
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: v0.6.3-348-gf0e6938b-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b1c6a0a10bfaf36ec82fde6f621da72407fa60a1
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout b1c6a0a10bfaf36ec82fde6f621da72407fa60a1
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/kernel/

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


sparse warnings: (new ones prefixed by >>)
>> arch/powerpc/kernel/tau_6xx.c:199:1: sparse: sparse: symbol 'tau_work' was not declared. Should it be static?

vim +/tau_work +199 arch/powerpc/kernel/tau_6xx.c

   189	
   190	static int __init TAU_init(void)
   191	{
   192		/* We assume in SMP that if one CPU has TAU support, they
   193		 * all have it --BenH
   194		 */
   195		if (!cpu_has_feature(CPU_FTR_TAU)) {
   196			printk("Thermal assist unit not available\n");
   197			tau_initialized = 0;
   198			return 1;
 > 199		}
   200	
   201		tau_int_enable = IS_ENABLED(CONFIG_TAU_INT) &&
   202				 !strcmp(cur_cpu_spec->platform, "ppc750");
   203	
   204		tau_workq = alloc_workqueue("tau", WQ_UNBOUND, 1);
   205		if (!tau_workq)
   206			return -ENOMEM;
   207	
   208		on_each_cpu(TAU_init_smp, NULL, 0);
   209	
   210		queue_work(tau_workq, &tau_work);
   211	
   212		pr_info("Thermal assist unit using %s, shrink_timer: %d ms\n",
   213			tau_int_enable ? "interrupts" : "workqueue", shrink_timer);
   214		tau_initialized = 1;
   215	
   216		return 0;
   217	}
   218	

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

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