From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39960) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yqf0f-0004g0-Rt for qemu-devel@nongnu.org; Fri, 08 May 2015 05:55:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Yqf0e-00007a-Ls for qemu-devel@nongnu.org; Fri, 08 May 2015 05:55:57 -0400 Received: from mail-lb0-x234.google.com ([2a00:1450:4010:c04::234]:35388) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yqf0e-00006y-55 for qemu-devel@nongnu.org; Fri, 08 May 2015 05:55:56 -0400 Received: by lbbuc2 with SMTP id uc2so49496581lbb.2 for ; Fri, 08 May 2015 02:55:54 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: Date: Fri, 8 May 2015 17:55:54 +0800 Message-ID: From: Zhi Yong Wu Content-Type: text/plain; charset=ISO-8859-1 Subject: Re: [Qemu-devel] vmfork in KVM List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: KVM mailing list , QEMU Developers , libvir-list@redhat.com, Eric Blake Cc: loki2441@gmail.com, Zhi Yong Wu 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 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 > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Regards, Zhi Yong Wu