vhost: enable reply-ack systematically

[dpdk.git] / lib / librte_vhost / vhost_user.c

diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index 84bebad..ea9cd10 100644 (file)
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -2012,15 +2012,6 @@ vhost_user_get_protocol_features(struct virtio_net **pdev,
        rte_vhost_driver_get_features(dev->ifname, &features);
        rte_vhost_driver_get_protocol_features(dev->ifname, &protocol_features);
 
-       /*
-        * REPLY_ACK protocol feature is only mandatory for now
-        * for IOMMU feature. If IOMMU is explicitly disabled by the
-        * application, disable also REPLY_ACK feature for older buggy
-        * Qemu versions (from v2.7.0 to v2.9.0).
-        */
-       if (!(features & (1ULL << VIRTIO_F_IOMMU_PLATFORM)))
-               protocol_features &= ~(1ULL << VHOST_USER_PROTOCOL_F_REPLY_ACK);
-
        msg->payload.u64 = protocol_features;
        msg->size = sizeof(msg->payload.u64);
        msg->fd_num = 0;