On 2018-08-15 19:01 +0200, Sebastian Gottschall wrote: > nother issue seen on xscale and as it affects all non SMP configured kernels > > > kernel/cpu.c: In function 'boot_cpu_hotplug_init': > kernel/cpu.c:2204:28: error: 'struct cpuhp_cpu_state' has no member > named 'booted_once' > this_cpu_write(cpuhp_state.booted_once, true); I got a different error in 4.9.120 with CONFIG_SMP unset: ,---- | CC drivers/rtc/rtc-cmos.o | In file included from drivers/rtc/rtc-cmos.c:45:0: | ./arch/x86/include/asm/i8259.h: In function 'inb_pic': | ./arch/x86/include/asm/i8259.h:32:24: error: implicit declaration of function 'inb' [-Werror=implicit-function-declaration] | unsigned char value = inb(port); | ^~~ | ./arch/x86/include/asm/i8259.h: In function 'outb_pic': | ./arch/x86/include/asm/i8259.h:45:2: error: implicit declaration of function 'outb' [-Werror=implicit-function-declaration] | outb(value, port); | ^~~~ | In file included from ./include/linux/mc146818rtc.h:14:0, | from drivers/rtc/rtc-cmos.c:49: | ./arch/x86/include/asm/io.h: At top level: | ./arch/x86/include/asm/io.h:277:20: warning: conflicting types for 'outb' | static inline void out##bwl(unsigned type value, int port) \ | ^ | ./arch/x86/include/asm/io.h:316:1: note: in expansion of macro 'BUILDIO' | BUILDIO(b, b, char) | ^~~~~~~ | ./arch/x86/include/asm/io.h:277:20: error: static declaration of 'outb' follows non-static declaration | static inline void out##bwl(unsigned type value, int port) \ | ^ | ./arch/x86/include/asm/io.h:316:1: note: in expansion of macro 'BUILDIO' | BUILDIO(b, b, char) | ^~~~~~~ | In file included from drivers/rtc/rtc-cmos.c:45:0: | ./arch/x86/include/asm/i8259.h:45:2: note: previous implicit declaration of 'outb' was here | outb(value, port); | ^~~~ | In file included from ./include/linux/mc146818rtc.h:14:0, | from drivers/rtc/rtc-cmos.c:49: | ./arch/x86/include/asm/io.h:283:29: error: conflicting types for 'inb' | static inline unsigned type in##bwl(int port) \ | ^ | ./arch/x86/include/asm/io.h:316:1: note: in expansion of macro 'BUILDIO' | BUILDIO(b, b, char) | ^~~~~~~ | In file included from drivers/rtc/rtc-cmos.c:45:0: | ./arch/x86/include/asm/i8259.h:32:24: note: previous implicit declaration of 'inb' was here | unsigned char value = inb(port); `---- Cheers, Sven