From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MJ8E5-0001jD-Dh for qemu-devel@nongnu.org; Tue, 23 Jun 2009 11:48:01 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MJ8E2-0001gF-0z for qemu-devel@nongnu.org; Tue, 23 Jun 2009 11:48:01 -0400 Received: from [199.232.76.173] (port=53305 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MJ8E1-0001g0-JR for qemu-devel@nongnu.org; Tue, 23 Jun 2009 11:47:57 -0400 Received: from e35.co.us.ibm.com ([32.97.110.153]:41080) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1MJ8E1-00084q-2V for qemu-devel@nongnu.org; Tue, 23 Jun 2009 11:47:57 -0400 Received: from d03relay04.boulder.ibm.com (d03relay04.boulder.ibm.com [9.17.195.106]) by e35.co.us.ibm.com (8.13.1/8.13.1) with ESMTP id n5NFeX4T030930 for ; Tue, 23 Jun 2009 09:40:33 -0600 Received: from d03av01.boulder.ibm.com (d03av01.boulder.ibm.com [9.17.195.167]) by d03relay04.boulder.ibm.com (8.13.8/8.13.8/NCO v9.2) with ESMTP id n5NFlWFC106776 for ; Tue, 23 Jun 2009 09:47:34 -0600 Received: from d03av01.boulder.ibm.com (loopback [127.0.0.1]) by d03av01.boulder.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id n5NFlWYQ003967 for ; Tue, 23 Jun 2009 09:47:32 -0600 Message-ID: <4A40F910.1050800@us.ibm.com> Date: Tue, 23 Jun 2009 10:47:28 -0500 From: Anthony Liguori MIME-Version: 1.0 Subject: Re: [Qemu-devel] Re: [PATCH 01/11] QMP: Introduce specification file References: <20090623012811.53a62493@doriath> <4A40989C.1050805@redhat.com> <4A40D4C1.4040608@codemonkey.ws> <4A40D8F8.4050508@redhat.com> <4A40DB6A.8000106@codemonkey.ws> <4A40EE4C.4020009@redhat.com> In-Reply-To: <4A40EE4C.4020009@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Avi Kivity Cc: qemu-devel@nongnu.org, jan.kiszka@siemens.com, dlaor@redhat.com, ehabkost@redhat.com, Luiz Capitulino Avi Kivity wrote: >> stop >> cont > > These certainly seem very synchronous to me. Not with KVM. You have to wait for the VCPU threads to get notified and stop. Maybe it's not a big deal to block during this. >> migrate >> balloon > > Isn't balloon synchronous? It sets the target and exits immediately. > We don't want command completion to depend on the guest. I can see a use-case for having balloon only return when the target has been reached by the guest. I think I can buy the event stuff. As long as we version QMP protocol, we can potentially fix this down the road. -- Regards, Anthony Liguori