Re: [Hotplug_sig] [patch 1/1] Hot plug CPU to support physical add of new processors (i386)

[Nathan Lynch]

Natalie.Protasevich@xxxxxxxxxx wrote:

> +#ifdef CONFIG_HOTPLUG_CPU
> +	if (cpu_online(cpu)) {
> +#else
>  	if (cpu_online(cpu) || !cpu_present(cpu)) {
> +#endif
>  		ret = -EINVAL;
>  		goto out;
>  	}

Why this change?  I think the cpu_present check is needed for ppc64
since it has non-present cpus in sysfs.

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