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

> + 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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