From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([208.118.235.92]:49089)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <fred.konrad@greensocs.com>) id 1TczA6-00030n-IL
	for qemu-devel@nongnu.org; Mon, 26 Nov 2012 08:55:51 -0500
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <fred.konrad@greensocs.com>) id 1Tcz9v-0001RJ-Jn
	for qemu-devel@nongnu.org; Mon, 26 Nov 2012 08:55:50 -0500
Received: from greensocs.com ([87.106.252.221]:48371
	helo=s15328186.onlinehome-server.info)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <fred.konrad@greensocs.com>) id 1Tcz9v-0001R6-DJ
	for qemu-devel@nongnu.org; Mon, 26 Nov 2012 08:55:39 -0500
Message-ID: <50B374EC.6090400@greensocs.com>
Date: Mon, 26 Nov 2012 14:55:56 +0100
From: Konrad Frederic <fred.konrad@greensocs.com>
MIME-Version: 1.0
References: <1353595852-30776-1-git-send-email-fred.konrad@greensocs.com>
	<1353595852-30776-2-git-send-email-fred.konrad@greensocs.com>
	<20121123130826.285c4d06@BR9GNB5Z>
In-Reply-To: <20121123130826.285c4d06@BR9GNB5Z>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Subject: Re: [Qemu-devel] [RFC PATCH v2 1/3] virtio-bus : Introduce
	VirtioBus.
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: peter.maydell@linaro.org, aliguori@us.ibm.com, e.voevodin@samsung.com, mark.burton@greensocs.com, qemu-devel@nongnu.org, stefanha@redhat.com, afaerber@suse.de

On 23/11/2012 13:08, Cornelia Huck wrote:
> On Thu, 22 Nov 2012 15:50:50 +0100
> fred.konrad@greensocs.com wrote:
>
>
>> +/* Create a virtio bus.  */
>> +VirtioBus *virtio_bus_new(DeviceState *host, const VirtioBusInfo *info)
>> +{
>> +    /*
>> +     * This is needed, as we want to have different names for each virtio-bus.
>> +     * If we don't do that, we can't add more than one VirtIODevice.
>> +     */
>> +    static int next_virtio_bus;
>> +    char *bus_name = g_strdup_printf("virtio-bus.%d", next_virtio_bus++);
> This still has the overflow/id-reuse problem, hasn't it?
>
>> +
>> +    BusState *qbus = qbus_create(TYPE_VIRTIO_BUS, host, bus_name);
>> +    VirtioBus *bus = VIRTIO_BUS(qbus);
>> +    bus->info = info;
>> +    qbus->allow_hotplug = 0;
>> +    bus->bus_in_use = false;
>> +    DPRINTF("%s bus created\n", bus_name);
>> +    return bus;
>> +}
> Don't you need a way to destroy the bus again when the proxy device is
> hotunplugged?
>
Is the virtio-pci-* proxy currently supporting hotunplugging ?