Re: [RFC,5/7] NUMA hotplug emulator

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Hi!

> hotplug emulator: Abstract cpu register functions
> 
> Abstract function arch_register_cpu and register_cpu, move the implementation
> details to a sub function with prefix "__". 
> 
> each of the sub function has an extra parameter nid, it can be used to register
> CPU under a fake NUMA node, it is a reserved interface for cpu hotplug emulation
> (CPU PROBE/RELEASE) in x86.

I don't get it. CPU hotplug can already be tested using echo 0/1 >
online, and that works on 386. How is this different?

It seems to add some numa magic. Why is it important?

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