8:02 p.m.
Hi,
On 2021/10/13 2:30, kernel test robot wrote:
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
sched/core
head: b2d5b9cec60fecc72a13191c2c6c05acf60975a5
commit: f43df9225fcad9b07a4ef4d0fe4c3ad2fb4ce82d [45/47] sched/topology: Remove unused
numa_distance in cpu_attach_domain()
config: hexagon-buildonly-randconfig-r004-20211012 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project
c3dcf39554dbea780d6cb7e12239451ba47a2668)
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=f4...
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 f43df9225fcad9b07a4ef4d0fe4c3ad2fb4ce82d
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=hexagon
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
>> kernel/sched/topology.c:23:20: error: unused function 'sched_debug'
[-Werror,-Wunused-function]
static inline bool sched_debug(void)
^
1 error generated.
sched_debug() is unused if CONFIG_ENERGY_MODEL=n || CONFIG_CPU_FREQ_GOV_SCHEDUTIL=n and
CONFIG_NUMA=n,
which is the case in the report. This is not introduced by this patch.
A __maybe_unused qualify for sched_debug() may fix this. Not sure we intends to do so.
>
> vim +/sched_debug +23 kernel/sched/topology.c
>
> f2cb13609d5397 Ingo Molnar 2017-02-01 22
> f2cb13609d5397 Ingo Molnar 2017-02-01 @23 static inline bool sched_debug(void)
> f2cb13609d5397 Ingo Molnar 2017-02-01 24 {
> 9406415f46f612 Peter Zijlstra 2021-04-15 25 return sched_debug_verbose;
> f2cb13609d5397 Ingo Molnar 2017-02-01 26 }
> f2cb13609d5397 Ingo Molnar 2017-02-01 27
>
> :::::: The code at line 23 was first introduced by commit
> :::::: f2cb13609d5397cdd747f3ed6fb651233851717d sched/topology: Split out scheduler
topology code from core.c into topology.c
>
> :::::: TO: Ingo Molnar <mingo(a)kernel.org>
> :::::: CC: Ingo Molnar <mingo(a)kernel.org>
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
>