diff options
Diffstat (limited to 'drivers/net/xen-netback/netback.c')
| -rw-r--r-- | drivers/net/xen-netback/netback.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index f4a6fcaeffb..05593d88202 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -635,9 +635,7 @@ static void xen_netbk_rx_action(struct xen_netbk *netbk) return; BUG_ON(npo.copy_prod > ARRAY_SIZE(netbk->grant_copy_op)); - ret = HYPERVISOR_grant_table_op(GNTTABOP_copy, &netbk->grant_copy_op, - npo.copy_prod); - BUG_ON(ret != 0); + gnttab_batch_copy(netbk->grant_copy_op, npo.copy_prod); while ((skb = __skb_dequeue(&rxq)) != NULL) { sco = (struct skb_cb_overlay *)skb->cb; @@ -1363,8 +1361,6 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk) INVALID_PENDING_IDX); } - __skb_queue_tail(&netbk->tx_queue, skb); - netbk->pending_cons++; request_gop = xen_netbk_get_requests(netbk, vif, @@ -1376,6 +1372,8 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk) } gop = request_gop; + __skb_queue_tail(&netbk->tx_queue, skb); + vif->tx.req_cons = idx; xen_netbk_check_rx_xenvif(vif); @@ -1460,18 +1458,15 @@ static void xen_netbk_tx_submit(struct xen_netbk *netbk) static void xen_netbk_tx_action(struct xen_netbk *netbk) { unsigned nr_gops; - int ret; nr_gops = xen_netbk_tx_build_gops(netbk); if (nr_gops == 0) return; - ret = HYPERVISOR_grant_table_op(GNTTABOP_copy, - netbk->tx_copy_ops, nr_gops); - BUG_ON(ret); - xen_netbk_tx_submit(netbk); + gnttab_batch_copy(netbk->tx_copy_ops, nr_gops); + xen_netbk_tx_submit(netbk); } static void xen_netbk_idx_release(struct xen_netbk *netbk, u16 pending_idx) |