[RFC PATCH 4/5] arm64: add CPU_HOTPLUG infrastructure

[Stephen Boyd]

On 07/10, Mark Rutland wrote:
> +void __ref cpu_die(void)
> +{
> +	unsigned int cpu = smp_processor_id();
> +
> +	idle_task_exit();
> +
> +	local_irq_disable();
> +	mb();
> +
> +	/* Tell __cpu_die() that this CPU is now safe to dispose of */
> +	RCU_NONIDLE(complete(&cpu_died));

This isn't true anymore.

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