Hi Alastair, Thank you for the patch! Yet something to improve: [auto build test ERROR on char-misc/char-misc-testing] [cannot apply to v5.4-rc5 next-20191025] [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/Alastair-D-Silva/Add-support-for-OpenCAPI-SCM-devices/20191028-043750 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git da80d2e516eb858eb5bcca7fa5f5a13ed86930e4 config: mips-allmodconfig (attached as .config) compiler: mips-linux-gcc (GCC) 7.4.0 reproduce: 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 GCC_VERSION=7.4.0 make.cross ARCH=mips If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from include/linux/mmzone.h:811:0, from include/linux/gfp.h:6, from include/linux/xarray.h:14, from include/linux/radix-tree.h:18, from include/linux/idr.h:15, from include/linux/kernfs.h:13, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/of.h:17, from include/linux/clk-provider.h:9, from arch/mips/generic/init.c:8: >> include/linux/memory_hotplug.h:342:5: error: "CONFIG_MEMORY_HOTPLUG_SPARSE" is not defined, evaluates to 0 [-Werror=undef] #if CONFIG_MEMORY_HOTPLUG_SPARSE ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/CONFIG_MEMORY_HOTPLUG_SPARSE +342 include/linux/memory_hotplug.h 341 > 342 #if CONFIG_MEMORY_HOTPLUG_SPARSE 343 int check_hotplug_memory_addressable(unsigned long pfn, 344 unsigned long nr_pages); 345 #endif /* CONFIG_MEMORY_HOTPLUG_SPARSE */ 346 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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