Perhaps we should change the warning to identify the guilty device.
--- a/net/core/dev.c 2007-11-19 09:09:57.000000000 -0800
+++ b/net/core/dev.c 2007-12-07 15:54:03.000000000 -0800
@@ -2196,7 +2196,13 @@ static void net_rx_action(struct softirq
if (test_bit(NAPI_STATE_SCHED, &n->state))
work = n->poll(n, weight);
- WARN_ON_ONCE(work > weight);
+ if (unlikely(work > weight)) {
+ if (net_ratelimit())
+ printk(KERN_WARNING
+ "%s: driver poll bug (work=%d weight=%d)\n",
+ work, weight);
+ work = weight;
+ }
budget -= work;
--
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