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SubjectRe: [PATCH v2 04/24] arm64/cpu: Mark cpu_die() __noreturn
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On 14/2/23 08:05, Josh Poimboeuf wrote:
> cpu_die() doesn't return. Annotate it as such. By extension this also
> makes arch_cpu_idle_dead() noreturn.
>
> Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
> ---
> arch/arm64/include/asm/smp.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/include/asm/smp.h b/arch/arm64/include/asm/smp.h
> index fc55f5a57a06..5733a31bab08 100644
> --- a/arch/arm64/include/asm/smp.h
> +++ b/arch/arm64/include/asm/smp.h
> @@ -100,7 +100,7 @@ static inline void arch_send_wakeup_ipi_mask(const struct cpumask *mask)
> extern int __cpu_disable(void);
>
> extern void __cpu_die(unsigned int cpu);
> -extern void cpu_die(void);
> +extern void __noreturn cpu_die(void);
> extern void cpu_die_early(void);

Shouldn't cpu_operations::cpu_die() be declared noreturn first?

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