From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=32788 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OCEB8-0003LP-0U for qemu-devel@nongnu.org; Wed, 12 May 2010 11:48:59 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OCEB6-0004S2-6c for qemu-devel@nongnu.org; Wed, 12 May 2010 11:48:57 -0400 Received: from mx1.redhat.com ([209.132.183.28]:44512) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OCEB5-0004Rq-Sm for qemu-devel@nongnu.org; Wed, 12 May 2010 11:48:56 -0400 Message-ID: <4BEACDDF.20309@redhat.com> Date: Wed, 12 May 2010 18:48:47 +0300 From: Avi Kivity MIME-Version: 1.0 References: <1271872408-22842-1-git-send-email-cam@cs.ualberta.ca> <4BE90E6D.7070007@redhat.com> <4BE9572B.3010104@codemonkey.ws> <4BE963C9.9090308@redhat.com> <4BE96F50.1040506@redhat.com> <4BE97CE6.6000001@codemonkey.ws> <4BE98E4A.3010708@codemonkey.ws> <4BE99E32.3020507@redhat.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Re: [PATCH v5 4/5] Inter-VM shared memory PCI device List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Cam Macdonell Cc: kvm@vger.kernel.org, qemu-devel@nongnu.org On 05/12/2010 06:32 PM, Cam Macdonell wrote: > >> We can tunnel its migration data through qemu. Of course, gathering its >> dirty bitmap will be interesting. DSM may be the way to go here (we can >> even live migrate qemu through DSM: share the guest address space and >> immediately start running on the destination node; the guest will fault its >> memory to the destination. An advantage is that that the cpu load is >> immediately transferred. >> >> > Given the potential need to develop DSM and migrating multiple VMs > simultaneously as well as few details to decide on, can the patch > series (with other review tweaks fixed) be accepted without migration > support? Definitely. I don't expect DSM to materialize tomorrow (or ever). -- Do not meddle in the internals of kernels, for they are subtle and quick to panic.