From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LqO0r-0003q6-W9 for qemu-devel@nongnu.org; Sun, 05 Apr 2009 04:47:34 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LqO0m-0003ii-PH for qemu-devel@nongnu.org; Sun, 05 Apr 2009 04:47:33 -0400 Received: from [199.232.76.173] (port=53060 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LqO0m-0003ia-LC for qemu-devel@nongnu.org; Sun, 05 Apr 2009 04:47:28 -0400 Received: from mx2.redhat.com ([66.187.237.31]:47341) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1LqO0m-0001Oc-6W for qemu-devel@nongnu.org; Sun, 05 Apr 2009 04:47:28 -0400 Message-ID: <49D87044.3030406@redhat.com> Date: Sun, 05 Apr 2009 11:48:04 +0300 From: Avi Kivity MIME-Version: 1.0 Subject: Re: [Qemu-devel] [PATCH 00/10] xen: pv domain support. References: <1238621982-18333-1-git-send-email-kraxel@redhat.com> <1238706878.5426.1.camel@Quad> <49D6708D.4000601@redhat.com> <88ADCEFD-E057-4264-8447-9E53A661B35D@suse.de> In-Reply-To: <88ADCEFD-E057-4264-8447-9E53A661B35D@suse.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: xen-devel@lists.xensource.com, Gerd Hoffmann , Laurent Vivier Alexander Graf wrote: > > One idea I had for full virtualization in a Xen environment would be > an PV vmenter/vmexit framework - either by implementing a completely > new abstraction or simple traps for privileged operations like VMRUN. > > That way we could have a kvm that talks to xen for the VM, rendering > kvm useful on Xen dom0s, giving people the best of both worlds. > > That was only one of the ideas that came up while talking to people > why running kvm on xen isn't as easy as just recompiling :-). Would > you think of such a thing as useful? > > Why would anyone want to do that? If you've got Xen running, just start up a Xen guest. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.