linux-kernel - Re: [PATCH RFC 0/3] Support CPU hotplug for ARM64

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Message-ID: <adfea83d-fb86-f388-3409-eea9564b938a@gmail.com>
Date:   Thu, 4 Jul 2019 13:55:16 +0800
From:   Jia He <hejianet@...il.com>
To:     Xiongfeng Wang <wangxiongfeng2@...wei.com>, rjw@...ysocki.net,
        catalin.marinas@....com, james.morse@....com
Cc:     linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, guohanjun@...wei.com,
        xiexiuqi@...wei.com, huawei.libin@...wei.com,
        john.garry@...wei.com, jonathan.cameron@...wei.com
Subject: Re: [PATCH RFC 0/3] Support CPU hotplug for ARM64

Hi Xiongfeng

On 2019/7/4 11:26, Xiongfeng Wang wrote:
> Hi Justin,
>
> On 2019/7/4 11:00, Jia He wrote:
>> Hi Xiongfeng
>>
>> It is a little bit awkful that I am also  investigating acpi based cpu hotplug issue silimar with
>>
>> your idea. My question is your purpose to implement the vcpu hotplug in arm64 qemu?
> Yes, my purpose is to implement the vcpu hotplug in arm64 qemu. So that I can add or remove vcpu
> without shutting down the Guest OS.

Thanks for the infor, I guess you used GED device in qemu ;-)?

---
Cheers,
Justin (Jia He)