Re: route cache DoS testing and softirqs

From: David S. Miller
Date: Tue Mar 30 2004 - 16:33:49 EST

On Tue, 30 Mar 2004 23:14:50 +0200
Andrea Arcangeli <andrea@xxxxxxx> wrote:

> > There are no hardirqs in the case under investigation, remember?
> no hardirqs? there must be tons of hardirqs if ksoftirqd never runs.

NAPI should be kicking in for this workload, and I know for a fact it is
for Robert's case. There should only be a few thousand hard irqs per

Until the RX ring is depleted the device's hardirqs will not be re-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at