Re: [5/8,v3] NUMA Hotplug Emulator: support cpu probe/release inx86

[AmÃrico Wang]

On Wed, Nov 17, 2010 at 10:08:04AM +0800, shaohui.zheng@xxxxxxxxx wrote:
>From: Shaohui Zheng <shaohui.zheng@xxxxxxxxx>
>
>Add cpu interface probe/release under sysfs for x86. User can use this
>interface to emulate the cpu hot-add process, it is for cpu hotplug 
>test purpose. Add a kernel option CONFIG_ARCH_CPU_PROBE_RELEASE for this
>feature.
>
>This interface provides a mechanism to emulate cpu hotplug with software
> methods, it becomes possible to do cpu hotplug automation and stress
>testing.
>

Huh? We already have CPU online/offline...

Can you describe more about the difference?

Thanks.
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