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Date: Thu, 11 Sep 2014 17:49:43 +0800
From: Gu Zheng <guz.fnst@cn.fujitsu.com>
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Subject: Re: [Qemu-devel] [RFC V2 10/10] cpus: reclaim allocated vCPU objects
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To: Bharata B Rao <bharata.rao@gmail.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, tangchen@cn.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com, anshul.makkar@profitbricks.com, chen.fan.fnst@cn.fujitsu.com, imammedo@redhat.com, "afaerber@suse.de" <afaerber@suse.de>

On 09/11/2014 05:35 PM, Bharata B Rao wrote:

> On Thu, Aug 28, 2014 at 9:06 AM, Gu Zheng <guz.fnst@cn.fujitsu.com> wrote=
:
>> After ACPI get a signal to eject a vCPU, the vCPU must be
>> removed from CPU list=EF=BC=8Cbefore the vCPU really removed,  then
>> release the all related vCPU objects.
>> But we do not close KVM vcpu fd, just record it into a list, in
>> order to reuse it.
>=20
> After I add and delete a CPU, "info cpus" from monitor still lists the
> removed CPU. Is this expected ?

No, neither from QEMU (e.g. monitor) nor guest side, you can not see the
removed cpu, but from the kernel side it is still there, just no one uses i=
t
any more.

Thanks,
Gu

>=20
> Regards,
> Bharata.
> .
>=20