Re: Softirq priority inversion from "softirq: reduce latencies"
From: Eric Dumazet <hidden>
Date: 2016-02-29 16:25:29
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On lun., 2016-02-29 at 07:58 -0800, Peter Hurley wrote:
All that's happened is the first loop of NET_RX softirq has woken a process; that is sufficient to abort softirq and defer it for ksoftirqd. That's why I'm saying this is a priority inversion, and one that will happen a lot.
Sure. This will happen every time ksoftirqd is launched. Get rid of ksoftirqd or renice it so that you can easily be killed by softirq storm.