[Xen-devel] [PATCH] patch fix-tx-work-todo

[Paul Durrant <paul.durrant@xxxxxxxxxx>]

---
 drivers/xen/netback/netback.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/xen/netback/netback.c b/drivers/xen/netback/netback.c
index 87a2cd4..eca61a9 100644
--- a/drivers/xen/netback/netback.c
+++ b/drivers/xen/netback/netback.c
@@ -1712,6 +1712,10 @@ static inline int tx_work_todo(struct xen_netbk *netbk)
        if (netbk->dealloc_cons != netbk->dealloc_prod)
                return 1;
 
+       if (netbk_copy_skb_mode == NETBK_DELAYED_COPY_SKB &&
+           !list_empty(&netbk->pending_inuse_head))
+               return 1;
+
        if (((nr_pending_reqs(netbk) + MAX_SKB_FRAGS) < MAX_PENDING_REQS) &&
                        !list_empty(&netbk->net_schedule_list))
                return 1;
-- 
1.5.6.5


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