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Date: Sun, 21 Nov 2010 22:45:11 +0800
From: =?utf-8?Q?Am=C3=A9rico?= Wang <xiyou.wangcong@gmail.com>
To: shaohui.zheng@intel.com
Cc: akpm@linux-foundation.org, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org, haicheng.li@linux.intel.com,
        lethal@linux-sh.org, ak@linux.intel.com, shaohui.zheng@linux.intel.com,
        Ingo Molnar <mingo@elte.hu>, Len Brown <len.brown@intel.com>,
        Yinghai Lu <Yinghai.Lu@Sun.COM>, Haicheng Li <haicheng.li@intel.com>
Subject: Re: [5/8,v3] NUMA Hotplug Emulator: support cpu probe/release in
	x86
Message-ID: <20101121144511.GJ9099@hack>
References: <20101117020759.016741414@intel.com> <20101117021000.776651300@intel.com>
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On Wed, Nov 17, 2010 at 10:08:04AM +0800, shaohui.zheng@intel.com wrote:
>From: Shaohui Zheng <shaohui.zheng@intel.com>
>
>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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