From: Eric Dumazet <edumazet@google.com>
Date: Thu, 5 Feb 2015 22:58:14 +0000 (-0800)
Subject: net: use netif_rx_ni() from process context
X-Git-Tag: v4.14-rc1~5989^2~3^2~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=91e83133e70ebe1572746d1ad858b4eb28ab9b53;p=platform%2Fkernel%2Flinux-rpi.git

net: use netif_rx_ni() from process context

Hotpluging a cpu might be rare, yet we have to use proper
handlers when taking over packets found in backlog queues.

dev_cpu_callback() runs from process context, thus we should
call netif_rx_ni() to properly invoke softirq handler.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/core/dev.c b/net/core/dev.c
index 7fe8292..6c1556a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -7064,11 +7064,11 @@ static int dev_cpu_callback(struct notifier_block *nfb,
 
 	/* Process offline CPU's input_pkt_queue */
 	while ((skb = __skb_dequeue(&oldsd->process_queue))) {
-		netif_rx_internal(skb);
+		netif_rx_ni(skb);
 		input_queue_head_incr(oldsd);
 	}
 	while ((skb = skb_dequeue(&oldsd->input_pkt_queue))) {
-		netif_rx_internal(skb);
+		netif_rx_ni(skb);
 		input_queue_head_incr(oldsd);
 	}