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SubjectRe: [PATCH] locking/rwsem: Optionally re-enable reader optimistic spinning
Hi Bongkyu,

kernel test robot noticed the following build errors:

[auto build test ERROR on tip/locking/core]
[also build test ERROR on linus/master v6.4-rc4 next-20230531]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Bongkyu-Kim/locking-rwsem-Optionally-re-enable-reader-optimistic-spinning/20230531-083658
base: tip/locking/core
patch link: https://lore.kernel.org/r/20230531003436.7082-1-bongkyu7.kim%40samsung.com
patch subject: [PATCH] locking/rwsem: Optionally re-enable reader optimistic spinning
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20230601/202306010043.VJHcuCnb-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 12.3.0
reproduce (this is a W=1 build):
mkdir -p ~/bin
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/8c4098eb89be5b82aded3d17b22f78013454d058
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Bongkyu-Kim/locking-rwsem-Optionally-re-enable-reader-optimistic-spinning/20230531-083658
git checkout 8c4098eb89be5b82aded3d17b22f78013454d058
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=m68k olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash kernel/locking/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306010043.VJHcuCnb-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

>> kernel/locking/rwsem.c:1097:20: error: function declaration isn't a prototype [-Werror=strict-prototypes]
1097 | static inline bool rwsem_no_spinners(sem)
| ^~~~~~~~~~~~~~~~~
kernel/locking/rwsem.c: In function 'rwsem_no_spinners':
>> kernel/locking/rwsem.c:1097:20: warning: old-style function definition [-Wold-style-definition]
>> kernel/locking/rwsem.c:1097:20: error: type of 'sem' defaults to 'int' [-Werror=implicit-int]
cc1: some warnings being treated as errors


vim +1097 kernel/locking/rwsem.c

1096
> 1097 static inline bool rwsem_no_spinners(sem)
1098 {
1099 return false;
1100 }
1101

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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