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SubjectRe: route cache DoS testing and softirqs
On Tue, 30 Mar 2004 23:14:50 +0200
Andrea Arcangeli <> 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-
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