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Re: [Qemu-devel] [RFC PATCH 0/7] hw/arm/virt: Add cpu-add way cpu hotplu

From: Wei Huang
Subject: Re: [Qemu-devel] [RFC PATCH 0/7] hw/arm/virt: Add cpu-add way cpu hotplug support
Date: Fri, 27 Feb 2015 22:46:49 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0

On 02/26/2015 01:32 AM, Shannon Zhao wrote:
> On 2015/2/19 1:19, Wei Huang wrote:
>> Nice work. I will help review the patches.
> Thanks for your help :-)
>> Other than the CPU hotplug support, we are also seeking the guest VM
>> powerdown support via ACPI. This feature is important for management
>> tool to control guest VMs. In fact I had a similar GPIO patch for
>> powerdown recently. Given that you already posted a more complete
>> version, I wonder if you can add this feature to your patchset? FYI, I
>> attached my powerdown patch in this email. Here is a brief list of items:
>> * DSDT description of power button (to-be-done)
>> * Hook up with qemu_qemu_register_powerdown_notifier() with the GPIO IRQ
>> Feel free to add my name as signed-off-by in this feature if you decide
>> to add it.
> Yes, I think the powerdown support is very useful, but maybe this feature can 
> be
> added by a new patchset as this patchset cares about CPU hotplug.
> We can add powerdown, memory hotplug, cpu remove and memory remove support 
> step
> by step if the approach of this patchset is accepted. I can make a patch to 
> add
> powerdown support based on this patchset and your attached patch if you want 
> to
> test this feature. How do you think about this?
That sounds good to me. It does make sense to separate them. Keep me in


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