From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MJ330-0004kZ-Iy for qemu-devel@nongnu.org; Tue, 23 Jun 2009 06:16:14 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MJ32v-0004jn-MW for qemu-devel@nongnu.org; Tue, 23 Jun 2009 06:16:13 -0400 Received: from [199.232.76.173] (port=34455 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MJ32v-0004jk-HH for qemu-devel@nongnu.org; Tue, 23 Jun 2009 06:16:09 -0400 Received: from mx2.redhat.com ([66.187.237.31]:45301) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1MJ32v-0006Cf-2t for qemu-devel@nongnu.org; Tue, 23 Jun 2009 06:16:09 -0400 Message-ID: <4A40AB9D.6040204@redhat.com> Date: Tue, 23 Jun 2009 13:17:01 +0300 From: Avi Kivity MIME-Version: 1.0 References: <20090623013005.39e27923@doriath> <4A409A4D.8030605@siemens.com> <20090623100428.GD6881@redhat.com> <4A40AA3D.2050807@siemens.com> In-Reply-To: <4A40AA3D.2050807@siemens.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Re: [PATCH 11/11] QMP: Command-line flag to enable control mode List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jan Kiszka Cc: aliguori@us.ibm.com, ehabkost@redhat.com, dlaor@redhat.com, qemu-devel@nongnu.org, Luiz Capitulino On 06/23/2009 01:11 PM, Jan Kiszka wrote: >> If we support multiple monitors, it might be desirable to allow the >> app owning the main 'control' monitor channel to be able to indicate >> that additional monitor channels are read-only. eg, so libvirt could >> allow the user to connect to the monitor to run 'info' commands for >> debug support without risk of having state changed behind its back >> > > Couldn't libvirt deal with update given we provide them as events? > Otherwise, your suggestion makes sense, definitely as long as it would > wreck libvirt's internal house keeping or for commands that are not > synchronizable. > It would be a nightmare, consider both libvirt and a user hotplugging something into the same pci slot, or a user starting migration, or quitting, or ... Having -monitor readonly makes sense. -- error compiling committee.c: too many arguments to function