From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=46514 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PqTeM-0001Fr-OF for qemu-devel@nongnu.org; Fri, 18 Feb 2011 11:57:47 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PqTeL-0006m2-JD for qemu-devel@nongnu.org; Fri, 18 Feb 2011 11:57:46 -0500 Received: from e4.ny.us.ibm.com ([32.97.182.144]:52107) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PqTeL-0006ly-Er for qemu-devel@nongnu.org; Fri, 18 Feb 2011 11:57:45 -0500 Received: from d01dlp01.pok.ibm.com (d01dlp01.pok.ibm.com [9.56.224.56]) by e4.ny.us.ibm.com (8.14.4/8.13.1) with ESMTP id p1IGcV5A015785 for ; Fri, 18 Feb 2011 11:38:56 -0500 Received: from d01relay03.pok.ibm.com (d01relay03.pok.ibm.com [9.56.227.235]) by d01dlp01.pok.ibm.com (Postfix) with ESMTP id CD03A38CDDBA for ; Fri, 18 Feb 2011 10:25:56 -0500 (EST) Received: from d01av02.pok.ibm.com (d01av02.pok.ibm.com [9.56.224.216]) by d01relay03.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id p1IFPu5t239302 for ; Fri, 18 Feb 2011 10:25:56 -0500 Received: from d01av02.pok.ibm.com (loopback [127.0.0.1]) by d01av02.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id p1IFPtik003401 for ; Fri, 18 Feb 2011 13:25:56 -0200 Message-ID: <4D5E8F82.9070909@linux.vnet.ibm.com> Date: Fri, 18 Feb 2011 09:25:54 -0600 From: Anthony Liguori MIME-Version: 1.0 Subject: Re: [Qemu-devel] [RFC][PATCH v6 00/23] virtagent: host/guest RPC communication agent References: <1295270117-24760-1-git-send-email-mdroth@linux.vnet.ibm.com> <4D5BF581.3050803@redhat.com> <4D5C07CB.4040709@linux.vnet.ibm.com> <4D5CDBD0.2060900@redhat.com> <4D5D3331.1000707@linux.vnet.ibm.com> <4D5E69EB.5040805@redhat.com> <4D5E7D35.7090207@linux.vnet.ibm.com> <4D5E8E99.8030200@redhat.com> In-Reply-To: <4D5E8E99.8030200@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: Gerd Hoffmann Cc: agl@linux.vnet.ibm.com, stefanha@linux.vnet.ibm.com, Jes Sorensen , marcel.mittelstaedt@de.ibm.com, Michael Roth , qemu-devel@nongnu.org, ryanh@us.ibm.com, markus_mueller@de.ibm.com, Luiz Capitulino , abeekhof@redhat.com On 02/18/2011 09:22 AM, Gerd Hoffmann wrote: > Hi, > >>> It may not be so fundamental, but it still makes me wary. XMLRPC >>> handling is quite high level and introduces the potential of errors >>> that >>> are outside of our direct control. Personally I don't see the big >>> benefit of having virtagent terminate in QEMU, >> >> Live migration. If it's a separate daemon, then live migration gets >> fugly. >> >> If xmlrpc-c is a PoS, then we ought to look at using something else. > > Anyone looked at using json instead? We already have a bunch of code > for that thanks to QMP ... It was really, really hard to reuse but with QAPI, it might be worth reconsidering. But this is a fast moving area ATM. Regards, Anthony Liguori > > cheers, > Gerd >