linux-kernel - Re: [PATCH v7 2/3] cachestat: implement cachestat syscall

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Message-ID: <202301241402.CeUdAtDh-lkp@intel.com>
Date:   Tue, 24 Jan 2023 14:49:00 +0800
From:   kernel test robot <lkp@...el.com>
To:     Nhat Pham <nphamcs@...il.com>, akpm@...ux-foundation.org
Cc:     oe-kbuild-all@...ts.linux.dev, hannes@...xchg.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        bfoster@...hat.com, willy@...radead.org, linux-api@...r.kernel.org,
        kernel-team@...a.com
Subject: Re: [PATCH v7 2/3] cachestat: implement cachestat syscall

Hi Nhat,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on 1440f576022887004f719883acb094e7e0dd4944]

url:    https://github.com/intel-lab-lkp/linux/commits/Nhat-Pham/workingset-refactor-LRU-refault-to-expose-refault-recency-check/20230124-101311
base:   1440f576022887004f719883acb094e7e0dd4944
patch link:    https://lore.kernel.org/r/20230124021118.154078-3-nphamcs%40gmail.com
patch subject: [PATCH v7 2/3] cachestat: implement cachestat syscall
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20230124/202301241402.CeUdAtDh-lkp@intel.com/config)
compiler: mips-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/f902a360bb453bd6885cd89d4f9ad4a40205fd15
        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/20230124-101311
        git checkout f902a360bb453bd6885cd89d4f9ad4a40205fd15
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips prepare

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

All warnings (new ones prefixed by >>):

>> <stdin>:1565:2: warning: #warning syscall cachestat not implemented [-Wcpp]
--
>> <stdin>:1565:2: 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
   arch/mips/kernel/asm-offsets.c:26:6: warning: no previous prototype for 'output_ptreg_defines' [-Wmissing-prototypes]
      26 | void output_ptreg_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:78:6: warning: no previous prototype for 'output_task_defines' [-Wmissing-prototypes]
      78 | void output_task_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:92:6: warning: no previous prototype for 'output_thread_info_defines' [-Wmissing-prototypes]
      92 | void output_thread_info_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:108:6: warning: no previous prototype for 'output_thread_defines' [-Wmissing-prototypes]
     108 | void output_thread_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:136:6: warning: no previous prototype for 'output_thread_fpu_defines' [-Wmissing-prototypes]
     136 | void output_thread_fpu_defines(void)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:179:6: warning: no previous prototype for 'output_mm_defines' [-Wmissing-prototypes]
     179 | void output_mm_defines(void)
         |      ^~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:213:6: warning: no previous prototype for 'output_sc_defines' [-Wmissing-prototypes]
     213 | void output_sc_defines(void)
         |      ^~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:248:6: warning: no previous prototype for 'output_signal_defined' [-Wmissing-prototypes]
     248 | void output_signal_defined(void)
         |      ^~~~~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:315:6: warning: no previous prototype for 'output_pbe_defines' [-Wmissing-prototypes]
     315 | void output_pbe_defines(void)
         |      ^~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:327:6: warning: no previous prototype for 'output_pm_defines' [-Wmissing-prototypes]
     327 | void output_pm_defines(void)
         |      ^~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:341:6: warning: no previous prototype for 'output_kvm_defines' [-Wmissing-prototypes]
     341 | void output_kvm_defines(void)
         |      ^~~~~~~~~~~~~~~~~~
   arch/mips/kernel/asm-offsets.c:385:6: warning: no previous prototype for 'output_cps_defines' [-Wmissing-prototypes]
     385 | void output_cps_defines(void)
         |      ^~~~~~~~~~~~~~~~~~
>> <stdin>:1565:2: warning: #warning syscall cachestat not implemented [-Wcpp]

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