| 1, Kernel build error when ARCH=arm with multi_v7_defconfig+CONFIG_SMP=n |
| arch/arm/kernel/psci.c:287:115: error: redefinition of 'psci_init' |
| This bug start from commit dbcfee724255ae1 ARM: 8457/1: psci-smp is built only for SMP |
| 2, Kernel build error when ARCH=x86 with allmodconfig+CONFIG_OF=n or defconfig+CONFIG_KASAN=y |
| include/linux/kasan.h:21:14: error: conflicting types for 'kasan_zero_pud' |
| include/linux/kasan.h:20:14: error: conflicting types for 'kasan_zero_pmd' |
| This bug is due to KASAN feature backporting |