net/i40e: clean LTO warnings

[dpdk.git] / drivers / net / ifc / ifcvf_vdpa.c

diff --git a/drivers/net/ifc/ifcvf_vdpa.c b/drivers/net/ifc/ifcvf_vdpa.c
index 619cdc2..8de9ef1 100644 (file)
--- a/drivers/net/ifc/ifcvf_vdpa.c
+++ b/drivers/net/ifc/ifcvf_vdpa.c
@@ -81,6 +81,8 @@ static struct internal_list_head internal_list =
 
 static pthread_mutex_t internal_list_lock = PTHREAD_MUTEX_INITIALIZER;
 
+static void update_used_ring(struct ifcvf_internal *internal, uint16_t qid);
+
 static struct internal_list *
 find_internal_resource_by_did(int did)
 {
@@ -631,6 +633,10 @@ m_ifcvf_start(struct ifcvf_internal *internal)
 
                hw->vring[i].size = vq.size;
 
+               rte_vhost_get_vring_base(vid, i,
+                               &internal->m_vring[i].avail->idx,
+                               &internal->m_vring[i].used->idx);
+
                rte_vhost_get_vring_base(vid, i, &hw->vring[i].last_avail_idx,
                                &hw->vring[i].last_used_idx);
 
@@ -662,6 +668,10 @@ m_ifcvf_stop(struct ifcvf_internal *internal)
        ifcvf_stop_hw(hw);
 
        for (i = 0; i < hw->nr_vring; i++) {
+               /* synchronize remaining new used entries if any */
+               if ((i & 1) == 0)
+                       update_used_ring(internal, i);
+
                rte_vhost_get_vhost_vring(vid, i, &vq);
                len = IFCVF_USED_RING_LEN(vq.size);
                rte_vhost_log_used_vring(vid, i, 0, len);
@@ -702,11 +712,6 @@ vring_relay(void *arg)
 
        vid = internal->vid;
        q_num = rte_vhost_get_vring_num(vid);
-       /* prepare the mediated vring */
-       for (qid = 0; qid < q_num; qid++)
-               rte_vhost_get_vring_base(vid, qid,
-                               &internal->m_vring[qid].avail->idx,
-                               &internal->m_vring[qid].used->idx);
 
        /* add notify fd and interrupt fd to epoll */
        epfd = epoll_create(IFCVF_MAX_QUEUES * 2);
@@ -736,6 +741,7 @@ vring_relay(void *arg)
                        DRV_LOG(ERR, "epoll add error: %s", strerror(errno));
                        return NULL;
                }
+               update_used_ring(internal, qid);
        }
 
        /* start relay with a first kick */
@@ -1108,6 +1114,9 @@ ifcvf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
        if (rte_eal_process_type() != RTE_PROC_PRIMARY)
                return 0;
 
+       if (!pci_dev->device.devargs)
+               return 1;
+
        kvlist = rte_kvargs_parse(pci_dev->device.devargs->args,
                        ifcvf_valid_arguments);
        if (kvlist == NULL)