leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

net: use netif_rx_ni() from process context

Browse Source 
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>
This commit is contained in:
Eric Dumazet 2015-02-05 14:58:14 -08:00 committed by David S. Miller
parent 364d5716a7
commit 91e83133e7
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
net/core/dev.c
View File

@ -7064,11 +7064,11 @@ static int dev_cpu_callback(struct notifier_block *nfb,
/* Process offline CPU's input_pkt_queue */ /* Process offline CPU's input_pkt_queue */
while ((skb = __skb_dequeue(&oldsd->process_queue))) { while ((skb = __skb_dequeue(&oldsd->process_queue))) {
netif_rx_internal(skb); netif_rx_ni(skb);
input_queue_head_incr(oldsd); 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); netif_rx_ni(skb);
input_queue_head_incr(oldsd); input_queue_head_incr(oldsd);
} }