Hi Yu, I love your patch! Yet something to improve:
[auto build test ERROR on arm/for-next] [cannot apply to v5.3 next-20190920] [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/Yu-Chen/arm-export-memblock_reserve-d-regions-via-proc-iomem/20190921-214007 base: git://git.armlinux.org.uk/~rmk/linux-arm.git for-next config: arm-ixp4xx_defconfig (attached as .config) compiler: arm-linux-gnueabi-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=arm :::::: branch date: 3 hours ago :::::: commit date: 3 hours ago If you fix the issue, kindly add following tag Reported-by: kbuild test robot <l...@intel.com> All errors (new ones prefixed by >>): arch/arm/kernel/setup.c: In function 'reserve_memblock_reserved_regions': >> arch/arm/kernel/setup.c:918:18: error: 'num_standard_resources' undeclared >> (first use in this function); did you mean 'request_standard_resources'? for (i = 0; i < num_standard_resources; ++i) { ^~~~~~~~~~~~~~~~~~~~~~ request_standard_resources arch/arm/kernel/setup.c:918:18: note: each undeclared identifier is reported only once for each function it appears in >> arch/arm/kernel/setup.c:919:27: error: 'standard_resources' undeclared >> (first use in this function); did you mean 'num_standard_resources'? struct resource *mem = &standard_resources[i]; ^~~~~~~~~~~~~~~~~~ num_standard_resources # https://github.com/0day-ci/linux/commit/4d551f57b6f9f07cdff5690f541f76e78c656c68 git remote add linux-review https://github.com/0day-ci/linux git remote update linux-review git checkout 4d551f57b6f9f07cdff5690f541f76e78c656c68 vim +918 arch/arm/kernel/setup.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 913 4d551f57b6f9f0 Yu Chen 2019-09-21 914 static int __init reserve_memblock_reserved_regions(void) 4d551f57b6f9f0 Yu Chen 2019-09-21 915 { 4d551f57b6f9f0 Yu Chen 2019-09-21 916 u64 i, j; 4d551f57b6f9f0 Yu Chen 2019-09-21 917 4d551f57b6f9f0 Yu Chen 2019-09-21 @918 for (i = 0; i < num_standard_resources; ++i) { 4d551f57b6f9f0 Yu Chen 2019-09-21 @919 struct resource *mem = &standard_resources[i]; 4d551f57b6f9f0 Yu Chen 2019-09-21 920 phys_addr_t r_start, r_end, mem_size = resource_size(mem); 4d551f57b6f9f0 Yu Chen 2019-09-21 921 4d551f57b6f9f0 Yu Chen 2019-09-21 922 if (!memblock_is_region_reserved(mem->start, mem_size)) 4d551f57b6f9f0 Yu Chen 2019-09-21 923 continue; 4d551f57b6f9f0 Yu Chen 2019-09-21 924 4d551f57b6f9f0 Yu Chen 2019-09-21 925 for_each_reserved_mem_region(j, &r_start, &r_end) { 4d551f57b6f9f0 Yu Chen 2019-09-21 926 resource_size_t start, end; 4d551f57b6f9f0 Yu Chen 2019-09-21 927 4d551f57b6f9f0 Yu Chen 2019-09-21 928 start = max(PFN_PHYS(PFN_DOWN(r_start)), mem->start); 4d551f57b6f9f0 Yu Chen 2019-09-21 929 end = min(PFN_PHYS(PFN_UP(r_end)) - 1, mem->end); 4d551f57b6f9f0 Yu Chen 2019-09-21 930 4d551f57b6f9f0 Yu Chen 2019-09-21 931 if (start > mem->end || end < mem->start) 4d551f57b6f9f0 Yu Chen 2019-09-21 932 continue; 4d551f57b6f9f0 Yu Chen 2019-09-21 933 4d551f57b6f9f0 Yu Chen 2019-09-21 934 reserve_region_with_split(mem, start, end, "reserved"); 4d551f57b6f9f0 Yu Chen 2019-09-21 935 } 4d551f57b6f9f0 Yu Chen 2019-09-21 936 } 4d551f57b6f9f0 Yu Chen 2019-09-21 937 4d551f57b6f9f0 Yu Chen 2019-09-21 938 return 0; 4d551f57b6f9f0 Yu Chen 2019-09-21 939 } 4d551f57b6f9f0 Yu Chen 2019-09-21 940 arch_initcall(reserve_memblock_reserved_regions); 4d551f57b6f9f0 Yu Chen 2019-09-21 941 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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