Re: Softirq priority inversion from "softirq: reduce latencies"

From: David Miller
Date: Sat Feb 27 2016 - 18:04:13 EST

From: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
Date: Sat, 27 Feb 2016 12:29:39 -0800

> Not really. softirq raised from interrupt context will always execute
> on this cpu and not in ksoftirqd, unless load forces softirq loop abort.

That guarantee never was specified.

Or are you saying that by design, on a system under load, your UART
will not function properly?

Surely you don't mean that.