[kbuild-all] Re: [PATCH 3/4] printk: Drop pr_warning definition

Hi Kefeng, Thank you for the patch! Yet something to improve: [auto build test ERROR on wq/for-next] [cannot apply to pmladek/for-next v5.4 next-20191127] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Kefeng-Wang/part2-kill-pr_warnin... base: https://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git for-next config: i386-defconfig (attached as .config) compiler: gcc-7 (Debian 7.4.0-14) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/platform/x86/eeepc-laptop.c: In function 'eeepc_rfkill_hotplug': >> drivers/platform/x86/eeepc-laptop.c:581:3: error: implicit declaration of function 'pr_warning'; did you mean 'acpi_warning'? [-Werror=implicit-function-declaration] pr_warning("Unable to find port\n"); ^~~~~~~~~~ acpi_warning cc1: some warnings being treated as errors