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Re: [Qemu-devel] [PATCH 2/7] Convert pc cpu to qdev
From: |
Vasilis Liaskovitis |
Subject: |
Re: [Qemu-devel] [PATCH 2/7] Convert pc cpu to qdev |
Date: |
Wed, 14 Mar 2012 14:49:59 +0100 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Hi,
On Wed, Mar 14, 2012 at 09:37:18AM +0100, Igor Mammedov wrote:
> On 03/14/2012 08:59 AM, Lai Jiangshan wrote:
> >not accepted, so I don't know how to take part in.
>
> As I see it, there is not much to do from cpu hot-plug perspective.
> It's just a matter of adaptation QOM-ified cpus for usage from
> qdev device_add, and I'm working on it.
> However, there is a lot to be done in cpu unplug area:
> - host side: there is unaccepted patches to destroy vcpu
> during VM-lifecycle. They are still need to be worked on:
> "[Qemu-devel] [PATCH 0] A series patches for kvm&qemu to enable vcpu
> destruction in kvm"
> - linux guest side: kernel can receive ACPI request to unplug cpu,
> but does nothing with it (last time I've tested it with 3.2 kernel),
> You might wish to look at following mail threads:
> https://lkml.org/lkml/2011/9/30/18
> http://lists.gnu.org/archive/html/qemu-devel/2011-10/msg02254.html
I also plan to resubmit the qemu-side of ACPI cpu unplug request:
http://lists.nongnu.org/archive/html/qemu-devel/2012-01/msg03037.html
so that they work independently of the "host side" patches mentioned above.
It would be great for the QOMify/hotplug/icc patches to be accepted soon,
since this would make unplug testing/development more straightoward.
thanks,
- Vasilis
- Re: [Qemu-devel] [PATCH 2/7] Convert pc cpu to qdev, Lai Jiangshan, 2012/03/13
- Re: [Qemu-devel] [PATCH 2/7] Convert pc cpu to qdev, Andreas Färber, 2012/03/13
- Re: [Qemu-devel] [PATCH 2/7] Convert pc cpu to qdev, Lai Jiangshan, 2012/03/14
- Re: [Qemu-devel] [PATCH 2/7] Convert pc cpu to qdev, Igor Mammedov, 2012/03/14
- Re: [Qemu-devel] [PATCH 2/7] Convert pc cpu to qdev,
Vasilis Liaskovitis <=
- Re: [Qemu-devel] [PATCH 2/7] Convert pc cpu to qdev, Gleb Natapov, 2012/03/14
- Re: [Qemu-devel] [PATCH 2/7] Convert pc cpu to qdev, Anthony Liguori, 2012/03/14
- Re: [Qemu-devel] [PATCH 2/7] Convert pc cpu to qdev, Gleb Natapov, 2012/03/14
- Re: [Qemu-devel] [PATCH 2/7] Convert pc cpu to qdev, Anthony Liguori, 2012/03/14
- Re: [Qemu-devel] [PATCH 2/7] Convert pc cpu to qdev, Gleb Natapov, 2012/03/14
- Re: [Qemu-devel] [PATCH 2/7] Convert pc cpu to qdev, Anthony Liguori, 2012/03/14
- Re: [Qemu-devel] [PATCH 2/7] Convert pc cpu to qdev, Gleb Natapov, 2012/03/14
- Re: [Qemu-devel] [PATCH 2/7] Convert pc cpu to qdev, Vasilis Liaskovitis, 2012/03/14
- Re: [Qemu-devel] [PATCH 2/7] Convert pc cpu to qdev, Gleb Natapov, 2012/03/15