1 files changed, 15 insertions, 5 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 1e325adc4367..7f028d441e98 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -7075,10 +7075,20 @@ static int dev_cpu_callback(struct notifier_block *nfb,
                 oldsd->output_queue = NULL;
                 oldsd->output_queue_tailp = &oldsd->output_queue;
         }
-        /* Append NAPI poll list from offline CPU. */
-        if (!list_empty(&oldsd->poll_list)) {
-                list_splice_init(&oldsd->poll_list, &sd->poll_list);
-                raise_softirq_irqoff(NET_RX_SOFTIRQ);
+        /* Append NAPI poll list from offline CPU, with one exception :
+         * process_backlog() must be called by cpu owning percpu backlog.
+         * We properly handle process_queue & input_pkt_queue later.
+         */
+        while (!list_empty(&oldsd->poll_list)) {
+                struct napi_struct *napi = list_first_entry(&oldsd->poll_list,
+                                                            struct napi_struct,
+                                                            poll_list);
+
+                list_del_init(&napi->poll_list);
+                if (napi->poll == process_backlog)
+                        napi->state = 0;
+                else
+                        ____napi_schedule(sd, napi);
         }
 
         raise_softirq_irqoff(NET_TX_SOFTIRQ);
@@ -7089,7 +7099,7 @@ static int dev_cpu_callback(struct notifier_block *nfb,
                 netif_rx_internal(skb);
                 input_queue_head_incr(oldsd);
         }
-        while ((skb = __skb_dequeue(&oldsd->input_pkt_queue))) {
+        while ((skb = skb_dequeue(&oldsd->input_pkt_queue))) {
                 netif_rx_internal(skb);
                 input_queue_head_incr(oldsd);
         }