Hi Kees,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on next-20221109]

url:    https://github.com/intel-lab-lkp/linux/commits/Kees-Cook/exit-Put-an-upper-limit-on-how-often-we-can-oops/20221110-040244
patch link:    https://lore.kernel.org/r/20221109200050.3400857-2-keescook%40chromium.org
patch subject: [PATCH v2 2/6] exit: Put an upper limit on how often we can oops
config: m68k-randconfig-r024-20221111
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/3db52f787eeec7924f3c2f952ac8fdf33b70b0bf
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Kees-Cook/exit-Put-an-upper-limit-on-how-often-we-can-oops/20221110-040244
        git checkout 3db52f787eeec7924f3c2f952ac8fdf33b70b0bf
        # 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 SHELL=/bin/bash

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

All warnings (new ones prefixed by >>):

>> kernel/exit.c:82:5: warning: "CONFIG_SYSCTL" is not defined, evaluates to 0 [-Wundef]
      82 | #if CONFIG_SYSCTL
         |     ^~~~~~~~~~~~~
   kernel/exit.c:1881:13: warning: no previous prototype for 'abort' [-Wmissing-prototypes]
    1881 | __weak void abort(void)
         |             ^~~~~


vim +/CONFIG_SYSCTL +82 kernel/exit.c

    81	
  > 82	#if CONFIG_SYSCTL
    83	static struct ctl_table kern_exit_table[] = {
    84		{
    85			.procname       = "oops_limit",
    86			.data           = &oops_limit,
    87			.maxlen         = sizeof(oops_limit),
    88			.mode           = 0644,
    89			.proc_handler   = proc_douintvec,
    90		},
    91		{ }
    92	};
    93	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp