Hi Pingfan, Thank you for the patch! Yet something to improve: [auto build test ERROR on v4.16-rc4] [also build test ERROR on next-20180309] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Pingfan-Liu/powerpc-cpu-partially-unbind-the-mapping-between-cpu-logical-id-and-its-seq-in-dt/20180313-034420 config: powerpc-pq2fads_defconfig (attached as .config) compiler: powerpc-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 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 make.cross ARCH=powerpc All errors (new ones prefixed by >>): >> arch/powerpc/kernel/prom.c:79:23: error: 'boot_cpu_count' defined but not used [-Werror=unused-variable] static int __initdata boot_cpu_count; ^~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/boot_cpu_count +79 arch/powerpc/kernel/prom.c 9b6b563c Paul Mackerras 2005-10-06 71 9b6b563c Paul Mackerras 2005-10-06 72 #ifdef CONFIG_PPC64 28897731 Olof Johansson 2006-04-12 73 int __initdata iommu_is_off; 9b6b563c Paul Mackerras 2005-10-06 74 int __initdata iommu_force_on; cf00a8d1 Paul Mackerras 2005-10-31 75 unsigned long tce_alloc_start, tce_alloc_end; cd3db0c4 Benjamin Herrenschmidt 2010-07-06 76 u64 ppc64_rma_size; 9b6b563c Paul Mackerras 2005-10-06 77 #endif 03bf469a Benjamin Herrenschmidt 2011-05-11 78 static phys_addr_t first_memblock_size; 7ac87abb Matt Evans 2011-05-25 @79 static int __initdata boot_cpu_count; 9b6b563c Paul Mackerras 2005-10-06 80 :::::: The code at line 79 was first introduced by commit :::::: 7ac87abb8166b99584149fcfb2efef5773a078e9 powerpc: Fix early boot accounting of CPUs :::::: TO: Matt Evans <matt@xxxxxxxxxx> :::::: CC: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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