Re: [PATCH v12 2/3] cachestat: implement cachestat syscall

From: kernel test robot
Date: Fri Apr 21 2023 - 22:37:14 EST


Hi Nhat,

kernel test robot noticed the following build warnings:

[auto build test WARNING on akpm-mm/mm-everything]
[cannot apply to shuah-kselftest/next shuah-kselftest/fixes linus/master tip/x86/asm v6.3-rc7 next-20230421]
[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/Nhat-Pham/workingset-refactor-LRU-refault-to-expose-refault-recency-check/20230422-071625
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/20230421231421.2401346-3-nphamcs%40gmail.com
patch subject: [PATCH v12 2/3] cachestat: implement cachestat syscall
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20230422/202304221049.51AIFM7O-lkp@xxxxxxxxx/config)
compiler: m68k-linux-gcc (GCC) 12.1.0
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://github.com/intel-lab-lkp/linux/commit/9691e4430fbb59890619289b45ee0ce9ec3e97ee
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Nhat-Pham/workingset-refactor-LRU-refault-to-expose-refault-recency-check/20230422-071625
git checkout 9691e4430fbb59890619289b45ee0ce9ec3e97ee
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k prepare

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/202304221049.51AIFM7O-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> <stdin>:1567:2: warning: #warning syscall cachestat not implemented [-Wcpp]
--
>> <stdin>:1567:2: warning: #warning syscall cachestat not implemented [-Wcpp]
--
scripts/genksyms/parse.y: warning: 9 shift/reduce conflicts [-Wconflicts-sr]
scripts/genksyms/parse.y: warning: 5 reduce/reduce conflicts [-Wconflicts-rr]
scripts/genksyms/parse.y: note: rerun with option '-Wcounterexamples' to generate conflict counterexamples
>> <stdin>:1567:2: warning: #warning syscall cachestat not implemented [-Wcpp]

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