On 5/28/20 11:03 AM, Maxime Coquelin wrote:
> As announced during v20.05 release cycle, this
> patch makes reply-ack protocol feature to be enabled
> unconditionally.
>
> This protocol feature makes the communication between the
> master and the slave more robust, avoiding for example
> possible undefined behaviour with VHOST_USER_SET_MEM_TABLE.
>
> Also, reply-ack support will be required for upcoming
> VHOST_USER_SET_STATUS request.
>
> Note that this protocol feature was disabled by default
> because Qemu version 2.7.0 to 2.9.0 had a bug causing a
> deadlock when reply-ack was negotiated and multiqueue
> enabled. These Qemu version are now very old and no more
> maintained, so we can resonnably consider we no more
> support them.
>
> Signed-off-by: Maxime Coquelin <maxime.coque...@redhat.com>
> ---
Applied to dpdk-next-virtio/master
Thanks,
Maxime