Commit 91e83133 authored Feb 05, 2015 by Eric Dumazet Committed by David S. Miller Feb 07, 2015

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>

parent 364d5716

net/core/dev.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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);
		}

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