[dpdk-dev] [PATCH v4 00/44] net/virtio: Virtio PMD rework

[Ilya Maximets]

CC: ovs-dev

On 2/1/21 2:00 PM, Ilya Maximets wrote:
> On 1/26/21 11:15 AM, Maxime Coquelin wrote:
>>
>> Only functionnal change in this second part is making the
>> Vhost-user server mode blocking at init time, as long as
>> a client is not connected. The goal of this change is to
>> make the Vhost-user support much more robust, as without
>> blocking, the driver has to assume features that are going
>> to be supported by the client, which is very fragile and
>> error prone. As a side-effect, it also simplifies the
>> logic nin several place of the virtio-user PMD.
> 
> Hi, Maxime.
> 
> I didn't actually look at the code, but I have a question.
> Does above text mean that with this change OVS will hang inside
> driver_register() or similar function until client is connected
> to dpdkvhostuser (server mode) port?
> 
> If so, I think, we will not be able to support server mode
> in OVS anymore and will have to actually remove it.  It's
> deprecated for a long time now, but I think it might still be in
> use by some people, especially for virtio-user usecase.
> 
> Best regards, Ilya Maximets.
>