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Re: [Qemu-devel] vmfork in KVM

From: Zhi Yong Wu
Subject: Re: [Qemu-devel] vmfork in KVM
Date: Fri, 8 May 2015 17:55:54 +0800

HI, all guys

Why does vmfork not get supported by KVM project? What is the
drawback? It's very cool if it's used in some scenario, e.g. HPC. It
will be appreciated for your comments, thanks.

On Fri, Oct 24, 2014 at 2:25 AM, Hu Yaohui <address@hidden> wrote:
> Hi all,
> There are some vmfork features provided by Xen based on shadow page
> table few years ago. I am wondering whether KVM provides the similar
> feature on the same host.
> By triggering vmfork, we can get a child VM which CPU and I/O status
> is the same as the parent, and the memory is CoW shared with parent
> VM.
> Thanks,
> Yaohui
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Zhi Yong Wu

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