From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=45566 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PNs8b-0001VI-E0 for qemu-devel@nongnu.org; Wed, 01 Dec 2010 14:14:46 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PNs8a-00045Z-D5 for qemu-devel@nongnu.org; Wed, 01 Dec 2010 14:14:45 -0500 Received: from mx1.redhat.com ([209.132.183.28]:37255) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PNs8a-00045N-6Q for qemu-devel@nongnu.org; Wed, 01 Dec 2010 14:14:44 -0500 From: Juan Quintela In-Reply-To: <4CF682D4.1080200@redhat.com> (Gerd Hoffmann's message of "Wed, 01 Dec 2010 18:16:04 +0100") References: <20101201164704.729398122@redhat.com> <20101201164743.090538903@redhat.com> <4CF682D4.1080200@redhat.com> Date: Wed, 01 Dec 2010 20:14:22 +0100 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Subject: [Qemu-devel] Re: [patch 3/3] UHCI: Substate section for migration of remote wakeup feature List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gerd Hoffmann Cc: Marcelo Tosatti , qemu-devel@nongnu.org, Paul Brook Gerd Hoffmann wrote: > On 12/01/10 17:47, Marcelo Tosatti wrote: >> Use a subsection to migrate remote wakeup feature only when used by the guest. > > Yea, right, this must be saved. But certainly not by the UHCI > adapter, it belongs into the usb devices. Some of them don't save > state at all today, which makes it a bit tricky to do this in a way > that migration to older versions keeps working at least as long as > remote wakeup isn't used ... > > Juan, any idea? Second thought. Only to add sections for all devices that don't have one. But the problem is that we have optional subsections, not optional subsections (it is not a way to not send a section because no value there). Later, Juan.