Subject: Re: question about softirqs

From: "Chris Friesen" <[email-masked]>
Date: Wed, 13 May 2009 13:04:09 -0600

Andi Kleen wrote:

> network packets are normally processed by the network packet interrupt's
> softirq or alternatively in the NAPI poll loop.

If we have a high priority task, ksoftirqd may not get a chance to run.

My point is simply that the documentation says that softirqs are
processed on return from a syscall, and this is not necessarily the case.

Chris