Josh Poimboeuf <jpoimboe@xxxxxxxxxx> writes: > start_secondary_resume() doesn't return. Annotate it as such. By > extension this also makes arch_cpu_idle_dead() noreturn. Can we also mark arch_cpu_idle_dead() (the C function) __noreturn ? Seems like it would be good documentation, even if it's not required once the generic prototype is __noreturn. But not a show-stopper. Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> (powerpc) cheers > diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h > index f63505d74932..cfd42ca8765c 100644 > --- a/arch/powerpc/include/asm/smp.h > +++ b/arch/powerpc/include/asm/smp.h > @@ -66,7 +66,7 @@ void start_secondary(void *unused); > extern int smp_send_nmi_ipi(int cpu, void (*fn)(struct pt_regs *), u64 delay_us); > extern int smp_send_safe_nmi_ipi(int cpu, void (*fn)(struct pt_regs *), u64 delay_us); > extern void smp_send_debugger_break(void); > -extern void start_secondary_resume(void); > +extern void __noreturn start_secondary_resume(void); > extern void smp_generic_give_timebase(void); > extern void smp_generic_take_timebase(void); > > -- > 2.39.0