linux-kernel - [tip:sched/core 23/23] kernel/sched/topology.c:17:2: error: 'sched_debug_verbose' undeclared; did you mean 'sched_debug

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Date:   Sat, 17 Apr 2021 14:47:46 +0800
From:   kernel test robot <lkp@...el.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        x86@...nel.org
Subject: [tip:sched/core 23/23] kernel/sched/topology.c:17:2: error:
 'sched_debug_verbose' undeclared; did you mean 'sched_debug_setup'?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core
head:   a1b93fc0377e73dd54f819a993f83291324bb54a
commit: a1b93fc0377e73dd54f819a993f83291324bb54a [23/23] sched/debug: Rename the sched_debug parameter to sched_verbose
config: arc-randconfig-r003-20210416 (attached as .config)
compiler: arceb-elf-gcc (GCC) 9.3.0
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
        # https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=a1b93fc0377e73dd54f819a993f83291324bb54a
        git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
        git fetch --no-tags tip sched/core
        git checkout a1b93fc0377e73dd54f819a993f83291324bb54a
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=arc 

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

All errors (new ones prefixed by >>):

   kernel/sched/topology.c: In function 'sched_debug_setup':
>> kernel/sched/topology.c:17:2: error: 'sched_debug_verbose' undeclared (first use in this function); did you mean 'sched_debug_setup'?
      17 |  sched_debug_verbose = true;
         |  ^~~~~~~~~~~~~~~~~~~
         |  sched_debug_setup
   kernel/sched/topology.c:17:2: note: each undeclared identifier is reported only once for each function it appears in
   kernel/sched/topology.c: In function 'sched_debug':
   kernel/sched/topology.c:25:9: error: 'sched_debug_verbose' undeclared (first use in this function); did you mean 'sched_debug_setup'?
      25 |  return sched_debug_verbose;
         |         ^~~~~~~~~~~~~~~~~~~
         |         sched_debug_setup
   kernel/sched/topology.c: In function 'sched_domain_debug':
   kernel/sched/topology.c:134:7: error: 'sched_debug_verbose' undeclared (first use in this function); did you mean 'sched_debug_setup'?
     134 |  if (!sched_debug_verbose)
         |       ^~~~~~~~~~~~~~~~~~~
         |       sched_debug_setup
   kernel/sched/topology.c: In function 'build_sched_domains':
   kernel/sched/topology.c:2144:12: error: 'sched_debug_verbose' undeclared (first use in this function); did you mean 'sched_debug_setup'?
    2144 |  if (rq && sched_debug_verbose) {
         |            ^~~~~~~~~~~~~~~~~~~
         |            sched_debug_setup
   In file included from include/linux/perf_event.h:25,
                    from include/linux/trace_events.h:10,
                    from include/trace/syscall.h:7,
                    from include/linux/syscalls.h:85,
                    from kernel/sched/sched.h:66,
                    from kernel/sched/topology.c:5:
   At top level:
   arch/arc/include/asm/perf_event.h:126:23: warning: 'arc_pmu_cache_map' defined but not used [-Wunused-const-variable=]
     126 | static const unsigned arc_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = {
         |                       ^~~~~~~~~~~~~~~~~
   arch/arc/include/asm/perf_event.h:91:27: warning: 'arc_pmu_ev_hw_map' defined but not used [-Wunused-const-variable=]
      91 | static const char * const arc_pmu_ev_hw_map[] = {
         |                           ^~~~~~~~~~~~~~~~~


vim +17 kernel/sched/topology.c

    14	
    15	static int __init sched_debug_setup(char *str)
    16	{
  > 17		sched_debug_verbose = true;
    18	
    19		return 0;
    20	}
    21	early_param("sched_verbose", sched_debug_setup);
    22	

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

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