Hi, For last several days when I build arm64/defconfig even against next-20170125, I get the following error. arch/arm64/crypto/crc32-arm64.c:1:0: error: unknown feature modifier ‘crc’ /* ^ make[1]: *** [arch/arm64/crypto/crc32-arm64.o] Error 1 make: *** [arch/arm64/crypto] Error 2 Regards, Amit Kumar