Hi Mathieu,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on tip/sched/core]
[also build test WARNING on linux/master linus/master v5.8-rc1]
[cannot apply to tip/x86/asm next-20200618]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use  as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Mathieu-Desnoyers/sched_pair_cpu-Introduce-scheduler-task-pairing-system-call/20200620-042752
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 87e867b4269f29dac8190bca13912d08163a277f
config: mips-randconfig-r004-20200619 (attached as .config)
compiler: mipsel-linux-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
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips 

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

All warnings (new ones prefixed by >>, old ones prefixed by <<):

>> <stdin>:1523:2: warning: #warning syscall sched_pair_cpu not implemented [-Wcpp]
--
>> <stdin>:1523:2: warning: #warning syscall sched_pair_cpu not implemented [-Wcpp]
--
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:93:6: warning: no previous prototype for 'output_thread_info_defines' [-Wmissing-prototypes]
93 | void output_thread_info_defines(void)
|      ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:110:6: warning: no previous prototype for 'output_thread_defines' [-Wmissing-prototypes]
110 | void output_thread_defines(void)
|      ^~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:181:6: warning: no previous prototype for 'output_mm_defines' [-Wmissing-prototypes]
181 | void output_mm_defines(void)
|      ^~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:220:6: warning: no previous prototype for 'output_sc_defines' [-Wmissing-prototypes]
220 | void output_sc_defines(void)
|      ^~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:255:6: warning: no previous prototype for 'output_signal_defined' [-Wmissing-prototypes]
255 | void output_signal_defined(void)
|      ^~~~~~~~~~~~~~~~~~~~~
arch/mips/kernel/asm-offsets.c:334:6: warning: no previous prototype for 'output_pm_defines' [-Wmissing-prototypes]
334 | void output_pm_defines(void)
|      ^~~~~~~~~~~~~~~~~
>> <stdin>:1523:2: warning: #warning syscall sched_pair_cpu not implemented [-Wcpp]

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